/* ===== DESIGN TOKENS (Hasan Latticecode Space Palette) ===== */
:root {
  /* Deep Space Backgrounds */
  --bg-0: #060709;
  --bg-1: #0b0d12;
  --bg-2: #10141c;
  --bg-card: rgba(11, 13, 18, 0.74);
  --line: rgba(255, 255, 255, 0.1);
  --line-2: rgba(255, 255, 255, 0.18);
  --fg: #edf1ff;
  --fg-2: rgba(220, 230, 252, 0.85);
  --fg-3: rgba(190, 208, 242, 0.65);
  --fg-4: rgba(155, 180, 224, 0.48);

  /* Cyber Accents */
  --cy: #00d9ff;
  --pu: #8b5cf6;
  --cy-soft: rgba(0, 217, 255, 0.16);
  --pu-soft: rgba(139, 92, 246, 0.18);
  --cy-glow: rgba(0, 217, 255, 0.35);
  --pu-glow: rgba(139, 92, 246, 0.35);

  /* Aliases */
  --bp-bg: var(--bg-0);
  --bp-bg2: var(--bg-1);
  --bp-grid: rgba(0, 217, 255, 0.04);
  --bp-grid-strong: rgba(0, 217, 255, 0.08);
  --bp-line: rgba(0, 217, 255, 0.2);
  --bp-glow: var(--cy-glow);

  --cyan: var(--cy);
  --cyan-dim: var(--cy-soft);
  --cyan-soft: rgba(0, 217, 255, 0.08);
  --teal: #00ffc8;
  --orange: #ff9f43;
  --pink: #ff6b9d;
  --purple: var(--pu);
  --green: #22c55e;
  --red: #ef4444;
  --yellow: #fbbf24;

  /* Trigger / Data / Action */
  --trigger-color: #ff6b9d;
  --trigger-bg: rgba(255, 107, 157, 0.12);
  --data-color: #fbbf24;
  --data-bg: rgba(251, 191, 36, 0.12);
  --action-color: #22c55e;
  --action-bg: rgba(34, 197, 94, 0.12);

  /* Text - Ultra High Contrast & Super Crisp */
  --text: #f8fafc;
  --text-dim: #cbd5e1;
  --text-bright: #ffffff;
  --text-muted: #94a3b8;

  /* Glass Surface Tokens - Glossy Cyber Luxe */
  --surface: linear-gradient(135deg, rgba(255, 255, 255, 0.08) 0%, rgba(255, 255, 255, 0.02) 100%), rgba(12, 19, 36, 0.78);
  --surface-border: rgba(255, 255, 255, 0.16);
  --surface-hover: rgba(0, 217, 255, 0.16);
  --glass-shadow: inset 0 1.5px 1px 0 rgba(255, 255, 255, 0.28), inset 0 0 20px 0 rgba(255, 255, 255, 0.02), 0 20px 50px rgba(0, 0, 0, 0.65);
  --glass-blur: blur(24px) saturate(190%);

  /* Fonts */
  --font-display: 'Space Grotesk', 'Noto Sans Bengali', sans-serif;
  --font-main: 'Inter', 'Noto Sans Bengali', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Spacing */
  --slide-padding: clamp(1.5rem, 4vw, 4rem);
}

/* ===== RESET & BASE ===== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-main);
  background: var(--bg-0);
  color: var(--text);
  overflow: hidden;
  height: 100vh;
  width: 100vw;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ===== AMBIENT LAYERS ===== */
.hero-canvas {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.ambient-glow {
  position: fixed;
  border-radius: 50%;
  filter: blur(90px);
  pointer-events: none;
  z-index: 0;
  opacity: 0.65;
}

.glow-cyan {
  width: min(650px, 80vw);
  height: min(500px, 60vh);
  top: 5%;
  right: 5%;
  background: radial-gradient(ellipse, rgba(0, 217, 255, 0.15) 0%, transparent 70%);
}

.glow-purple {
  width: min(600px, 75vw);
  height: min(500px, 60vh);
  bottom: 8%;
  left: 5%;
  background: radial-gradient(ellipse, rgba(139, 92, 246, 0.16) 0%, transparent 70%);
}

.hero-fade {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  height: 140px;
  z-index: 1;
  background: linear-gradient(to bottom, transparent 0%, var(--bg-0) 100%);
  pointer-events: none;
}

#blueprintCanvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}

/* ===== PROGRESS BAR ===== */
.progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: rgba(0, 217, 255, 0.1);
  z-index: 100;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--cy), var(--pu));
  width: 3.125%;
  transition: width 0.5s cubic-bezier(0.22, 1, 0.36, 1);
  box-shadow: 0 0 14px var(--cy), 0 0 4px var(--pu);
}

/* ===== NAVIGATION ===== */
.slide-nav {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 1rem;
  z-index: 100;
  background: rgba(10, 22, 40, 0.85);
  backdrop-filter: blur(16px);
  border: 1px solid var(--surface-border);
  border-radius: 100px;
  padding: 0.5rem 1.25rem;
}

.nav-btn {
  background: none;
  border: none;
  color: var(--cyan);
  cursor: pointer;
  padding: 0.4rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
}

.nav-btn:hover {
  background: var(--cyan-dim);
  transform: scale(1.1);
  box-shadow: 0 0 10px rgba(0, 212, 255, 0.3);
}

.nav-btn:active {
  transform: scale(0.95);
}

.nav-divider {
  width: 1px;
  height: 18px;
  background: var(--surface-border);
  margin: 0 0.15rem;
}

.slide-counter {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--text-dim);
  min-width: 4rem;
  text-align: center;
  cursor: pointer;
  padding: 0.25rem 0.5rem;
  border-radius: 6px;
  transition: all 0.2s;
}

.slide-counter:hover {
  background: var(--cyan-dim);
  color: var(--cyan);
}

.slide-counter #currentSlide {
  color: var(--cyan);
  font-weight: 600;
}

.counter-sep {
  margin: 0 0.15rem;
  opacity: 0.5;
}

/* ===== SEGMENT INDICATOR ===== */
.segment-indicator {
  position: fixed;
  right: 2rem;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  z-index: 100;
}

.segment-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(0, 212, 255, 0.15);
  border: 1px solid rgba(0, 212, 255, 0.25);
  cursor: pointer;
  transition: all 0.3s;
  position: relative;
}

.segment-dot::before {
  content: attr(title);
  position: absolute;
  right: 1.5rem;
  top: 50%;
  transform: translateY(-50%);
  white-space: nowrap;
  font-size: 0.7rem;
  color: var(--text-dim);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s;
  background: rgba(10, 22, 40, 0.9);
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  border: 1px solid var(--surface-border);
}

.segment-dot:hover::before {
  opacity: 1;
}

.segment-dot.active {
  background: var(--cyan);
  border-color: var(--cyan);
  box-shadow: 0 0 8px var(--cyan);
  transform: scale(1.3);
}

.segment-dot.passed {
  background: rgba(0, 212, 255, 0.4);
  border-color: var(--cyan);
}

/* ===== KEYBOARD HINT ===== */
.keyboard-hint {
  position: fixed;
  bottom: 5rem;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.75rem;
  color: var(--text-dim);
  opacity: 0.6;
  z-index: 100;
  transition: opacity 0.5s;
  font-family: var(--font-mono);
}

.keyboard-hint span {
  background: rgba(0, 212, 255, 0.1);
  border: 1px solid rgba(0, 212, 255, 0.2);
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
  margin-right: 0.25rem;
  font-size: 0.7rem;
}

/* ===== SLIDES CONTAINER ===== */
.slides-container {
  position: relative;
  width: 100%;
  height: 100vh;
  z-index: 10;
}

/* ===== INDIVIDUAL SLIDE ===== */
.slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transform: translateY(30px);
  transition: opacity 0.5s ease, transform 0.5s cubic-bezier(0.22, 1, 0.36, 1);
  padding: var(--slide-padding);
  overflow-y: auto;
  overflow-x: hidden;
  box-sizing: border-box;
}

@media (max-height: 850px) {
  .slide {
    align-items: flex-start;
  }
}

.slide.active {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.slide.exit-up {
  opacity: 0;
  transform: translateY(-30px);
}

.slide-content {
  max-width: 1000px;
  width: 100%;
  position: relative;
  margin: auto 0;
  padding-bottom: 2rem;
}

/* ===== SEGMENT LABEL ===== */
.segment-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--cyan);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 1.5rem;
  opacity: 0.7;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.segment-label::before {
  content: '';
  display: inline-block;
  width: 20px;
  height: 1px;
  background: var(--cyan);
}

/* ===== SLIDE TITLES & ACCENTS ===== */
.slide-title {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3.8vw, 2.4rem);
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 2rem;
  line-height: 1.35;
  letter-spacing: -0.02em;
}

.sub-title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--fg);
  margin-top: 2rem;
  margin-bottom: 1rem;
}

.accent, .highlight-text {
  background: linear-gradient(120deg, #ffffff 0%, var(--cy) 50%, var(--pu) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-style: italic;
  font-weight: 600;
}

/* ===== HERO SLIDE (Slide 1 - Hasan Latticecode Theme) ===== */
.hero-slide {
  padding: clamp(1.5rem, 5vw, 4rem);
  position: relative;
}

.hero-slide-content {
  max-width: 1200px;
  width: 100%;
  margin: auto;
  position: relative;
  z-index: 2;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: center;
  width: 100%;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 6px 14px 6px 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--line);
  font-size: 12px;
  color: var(--fg-2);
  margin-bottom: 1.5rem;
}

.hero-eyebrow .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cy);
  box-shadow: 0 0 0 4px var(--cy-soft);
  animation: pulse 2s ease-in-out infinite;
}

.hero-eyebrow .mono {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  font-weight: 500;
}

.hero-display {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 5.8vw, 4.8rem);
  line-height: 1.05;
  letter-spacing: -0.035em;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 1.5rem;
}

.hero-sub {
  max-width: 580px;
  color: var(--fg-2);
  font-size: clamp(1rem, 1.25vw, 1.15rem);
  line-height: 1.7;
  margin-bottom: 2rem;
  font-weight: 400;
}

.hero-roles {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 2.25rem;
}

.role-chip {
  display: inline-flex;
  align-items: center;
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--fg-2);
}

.role-prefix {
  color: var(--fg-4);
}

.typed-text {
  color: var(--cy);
  font-weight: 600;
}

.typed-cursor {
  display: inline-block;
  width: 2px;
  height: 14px;
  background: var(--cy);
  margin-left: 3px;
  vertical-align: -2px;
  animation: blink 1s step-end infinite;
}

.hero-ctas {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  align-items: center;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-main);
  font-size: 0.95rem;
  font-weight: 600;
  padding: 10px 22px;
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.22s ease;
  border: none;
}

.btn-primary {
  background: linear-gradient(135deg, rgba(0, 217, 255, 0.25), rgba(139, 92, 246, 0.25));
  border: 1px solid var(--cy);
  color: #ffffff;
  box-shadow: 0 0 20px rgba(0, 217, 255, 0.28);
}

.btn-primary:hover {
  background: linear-gradient(135deg, rgba(0, 217, 255, 0.4), rgba(139, 92, 246, 0.4));
  box-shadow: 0 0 30px rgba(0, 217, 255, 0.45);
  transform: translateY(-2px);
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--line);
  color: var(--fg-2);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.25);
  color: #ffffff;
  transform: translateY(-2px);
}

/* ===== HERO PORTRAIT / ORB VISUAL ===== */
.hero-visual {
  display: flex;
  justify-content: center;
}

.hero-portrait {
  position: relative;
  width: min(350px, 85vw);
  aspect-ratio: 1;
}

.hero-portrait .ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: conic-gradient(from 0deg, var(--cy), var(--pu), var(--cy));
  filter: blur(2px);
  opacity: 0.7;
  animation: novaRotate 8s linear infinite;
}

.hero-portrait .ring:after {
  content: "";
  position: absolute;
  inset: 5px;
  border-radius: 50%;
  background: var(--bg-0);
}

.hero-portrait .glow {
  position: absolute;
  inset: -25px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 217, 255, 0.2) 0%, transparent 65%);
  filter: blur(22px);
}

.hero-portrait .img-wrap {
  position: absolute;
  inset: 12px;
  border-radius: 50%;
  overflow: hidden;
  background: radial-gradient(circle at center, #0e1424 0%, #060709 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(0, 217, 255, 0.2);
}

.core-box {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.core-icon {
  font-size: 3.5rem;
  filter: drop-shadow(0 0 16px var(--cy));
  animation: pulse 3s infinite;
}

.core-title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: #ffffff;
}

.core-badge {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--cy);
  background: var(--cy-soft);
  padding: 2px 8px;
  border-radius: 100px;
  border: 1px solid rgba(0, 217, 255, 0.25);
}

.hero-portrait .badge {
  position: absolute;
  border-radius: 12px;
  padding: 8px 14px;
  background: rgba(8, 8, 12, 0.85);
  backdrop-filter: blur(14px);
  border: 1px solid var(--line-2);
  gap: 9px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.05em;
  display: flex;
  align-items: center;
  color: var(--fg);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4);
  transition: all 0.2s ease;
  z-index: 3;
}

.hero-portrait .badge:hover {
  border-color: rgba(0, 217, 255, 0.4);
  box-shadow: 0 0 20px rgba(0, 217, 255, 0.25);
  transform: scale(1.05);
}

.hero-portrait .badge .ico {
  width: 22px;
  height: 22px;
  border-radius: 6px;
  display: grid;
  place-items: center;
  color: var(--cy);
  background: var(--cy-soft);
  flex-shrink: 0;
}

.hero-portrait .badge .ico.ico-green {
  color: #22c55e;
  background: rgba(34, 197, 94, 0.15);
}

.hero-portrait .badge .ico.ico-purple {
  color: var(--pu);
  background: var(--pu-soft);
}

.hero-portrait .badge.b1 {
  top: 6%;
  left: -8%;
  animation: floatA 6s ease-in-out infinite;
}

.hero-portrait .badge.b2 {
  bottom: 12%;
  right: -10%;
  animation: floatB 7s ease-in-out infinite;
}

.hero-portrait .badge.b3 {
  bottom: -4%;
  left: 10%;
  animation: floatA 5.5s ease-in-out infinite;
}

/* Scroll indicator */
.scroll-ind {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  margin-top: 2.5rem;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  color: var(--fg-4);
  cursor: pointer;
}

.scroll-ind .bar {
  width: 1px;
  height: 32px;
  background: var(--line);
  position: relative;
  overflow: hidden;
}

.scroll-ind .bar:after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 40%;
  background: var(--cy);
  animation: scrollBar 2s ease-in-out infinite;
}

/* Animations from Hasan Latticecode */
@keyframes novaRotate {
  to { transform: rotate(1turn); }
}

@keyframes floatA {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

@keyframes floatB {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(8px); }
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.65; transform: scale(0.9); }
}

@keyframes blink {
  50% { opacity: 0; }
}

@keyframes scrollBar {
  0% { top: -40%; }
  100% { top: 100%; }
}

@keyframes bob {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(6px); }
}

/* ===== HIGHLIGHT TEXT ===== */
.highlight-text {
  color: var(--cyan);
  position: relative;
}

.highlight-text::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--cyan);
  opacity: 0.4;
}

/* ===== BIG QUESTION (Slide 2) ===== */
.big-question {
  text-align: center;
  margin-bottom: 3rem;
}

.question-icon {
  font-size: 3rem;
  display: block;
  margin-bottom: 1rem;
}

.big-question h2 {
  font-size: clamp(1.3rem, 3vw, 2rem);
  font-weight: 600;
  line-height: 1.6;
}

.task-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.25rem;
}

.task-card {
  background: linear-gradient(135deg, rgba(20, 32, 60, 0.65) 0%, rgba(8, 14, 28, 0.8) 100%);
  backdrop-filter: blur(24px) saturate(160%);
  -webkit-backdrop-filter: blur(24px) saturate(160%);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 16px;
  padding: 1.75rem 1.4rem;
  text-align: center;
  transition: all 0.3s cubic-bezier(0.2, 0.9, 0.3, 1);
  box-shadow: inset 0 1px 2px rgba(255, 255, 255, 0.2), 0 14px 35px rgba(0, 0, 0, 0.55);
  animation: fadeInUp 0.6s var(--delay) both;
}

.task-card:hover {
  border-color: var(--cy);
  transform: translateY(-5px) scale(1.02);
  box-shadow: inset 0 1px 2px rgba(255, 255, 255, 0.3), 0 18px 45px rgba(0, 0, 0, 0.7), 0 0 25px rgba(0, 217, 255, 0.25);
}

.task-icon {
  font-size: 2.2rem;
  margin-bottom: 0.85rem;
  filter: drop-shadow(0 0 10px rgba(0, 217, 255, 0.35));
}

.task-card p {
  color: #f8fafc; /* Crisp readable bright white */
  font-size: 1.05rem;
  font-weight: 600;
  line-height: 1.45;
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ===== DEFINITION BLOCK (Slide 3) ===== */
.definition-block {
  text-align: center;
  max-width: 720px;
  margin: 0 auto;
  padding: 3rem 2.5rem;
  background: linear-gradient(135deg, rgba(22, 36, 68, 0.65) 0%, rgba(9, 16, 32, 0.82) 100%);
  backdrop-filter: blur(24px) saturate(160%);
  -webkit-backdrop-filter: blur(24px) saturate(160%);
  border: 1px solid rgba(0, 217, 255, 0.35);
  border-radius: 20px;
  box-shadow: inset 0 1px 2px rgba(255, 255, 255, 0.25), 0 20px 50px rgba(0, 0, 0, 0.65), 0 0 35px rgba(0, 217, 255, 0.14);
  position: relative;
}

.definition-block::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: 20px;
  background: linear-gradient(135deg, var(--cy-glow), transparent, var(--pu-glow));
  z-index: -1;
  opacity: 0.3;
}

.def-icon {
  font-size: 2.8rem;
  margin-bottom: 1.25rem;
  filter: drop-shadow(0 0 14px var(--cy));
}

.definition-block blockquote {
  font-size: clamp(1.2rem, 2.5vw, 1.55rem);
  line-height: 1.8;
  color: #ffffff; /* Ultra clear white text */
  font-weight: 500;
}

.blueprint-annotation {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-top: 2rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-dim);
  opacity: 0.5;
}

/* ===== TDA CHAIN (Slide 4) ===== */
.tda-chain {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  flex-wrap: wrap;
}

.tda-node {
  background: linear-gradient(135deg, rgba(20, 32, 60, 0.65) 0%, rgba(8, 14, 28, 0.8) 100%);
  backdrop-filter: blur(24px) saturate(160%);
  -webkit-backdrop-filter: blur(24px) saturate(160%);
  border-radius: 18px;
  padding: 2.2rem 1.6rem;
  text-align: center;
  min-width: 200px;
  transition: all 0.3s cubic-bezier(0.2, 0.9, 0.3, 1);
  position: relative;
}

.tda-node:hover {
  transform: translateY(-6px) scale(1.02);
}

.trigger-node {
  border: 1px solid rgba(255, 107, 157, 0.45);
  box-shadow: inset 0 1px 2px rgba(255, 160, 190, 0.4), 0 16px 40px rgba(0, 0, 0, 0.6), 0 0 25px rgba(255, 107, 157, 0.16);
}
.trigger-node:hover {
  border-color: rgba(255, 107, 157, 0.85);
  box-shadow: inset 0 1px 2px rgba(255, 160, 190, 0.5), 0 22px 50px rgba(0, 0, 0, 0.7), 0 0 35px rgba(255, 107, 157, 0.35);
}

.data-node {
  border: 1px solid rgba(251, 191, 36, 0.45);
  box-shadow: inset 0 1px 2px rgba(255, 220, 120, 0.4), 0 16px 40px rgba(0, 0, 0, 0.6), 0 0 25px rgba(251, 191, 36, 0.16);
}
.data-node:hover {
  border-color: rgba(251, 191, 36, 0.85);
  box-shadow: inset 0 1px 2px rgba(255, 220, 120, 0.5), 0 22px 50px rgba(0, 0, 0, 0.7), 0 0 35px rgba(251, 191, 36, 0.35);
}

.action-node {
  border: 1px solid rgba(34, 197, 94, 0.45);
  box-shadow: inset 0 1px 2px rgba(120, 240, 160, 0.4), 0 16px 40px rgba(0, 0, 0, 0.6), 0 0 25px rgba(34, 197, 94, 0.16);
}
.action-node:hover {
  border-color: rgba(34, 197, 94, 0.85);
  box-shadow: inset 0 1px 2px rgba(120, 240, 160, 0.5), 0 22px 50px rgba(0, 0, 0, 0.7), 0 0 35px rgba(34, 197, 94, 0.35);
}

.tda-icon {
  font-size: 2.4rem;
  margin-bottom: 0.85rem;
}

.tda-node h3 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  letter-spacing: -0.01em;
}

.trigger-node h3 { color: #ff8cb4; }
.data-node h3 { color: #fde047; }
.action-node h3 { color: #4ade80; }

.tda-node p {
  font-size: 0.96rem;
  color: #f1f5f9;
  font-weight: 500;
  line-height: 1.55;
}

.tda-connector {
  width: 60px;
  position: relative;
  display: flex;
  align-items: center;
}

.connector-line {
  width: 100%;
  height: 2px;
  background: var(--bp-line);
}

.connector-pulse {
  position: absolute;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 8px var(--cyan);
  animation: flow-pulse 2s ease-in-out infinite;
}

@keyframes flow-pulse {
  0% { left: 0; opacity: 0; }
  20% { opacity: 1; }
  80% { opacity: 1; }
  100% { left: calc(100% - 8px); opacity: 0; }
}

/* ===== FLOW EXAMPLE (Slide 5) ===== */
.flow-example {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
}

.flow-step {
  background: linear-gradient(135deg, rgba(20, 32, 60, 0.65) 0%, rgba(8, 14, 28, 0.8) 100%);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-radius: 16px;
  padding: 1.35rem 1.6rem;
  width: 100%;
  max-width: 520px;
  transition: all 0.3s cubic-bezier(0.2, 0.9, 0.3, 1);
}

.flow-step:hover {
  transform: translateY(-3px) scale(1.01);
}

.flow-trigger {
  border: 1px solid rgba(255, 107, 157, 0.45);
  box-shadow: inset 0 1px 2px rgba(255, 160, 190, 0.35), 0 14px 35px rgba(0, 0, 0, 0.6), 0 0 20px rgba(255, 107, 157, 0.15);
}

.flow-data {
  border: 1px solid rgba(251, 191, 36, 0.45);
  box-shadow: inset 0 1px 2px rgba(255, 220, 120, 0.35), 0 14px 35px rgba(0, 0, 0, 0.6), 0 0 20px rgba(251, 191, 36, 0.15);
}

.flow-action {
  border: 1px solid rgba(34, 197, 94, 0.45);
  box-shadow: inset 0 1px 2px rgba(120, 240, 160, 0.35), 0 14px 35px rgba(0, 0, 0, 0.6), 0 0 20px rgba(34, 197, 94, 0.15);
}

.flow-step-header {
  margin-bottom: 0.6rem;
}

.flow-badge {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 0.25rem 0.75rem;
  border-radius: 100px;
  letter-spacing: 0.05em;
  font-weight: 700;
  display: inline-block;
}

.trigger-badge { background: rgba(255, 107, 157, 0.2); color: #ff8cb4; border: 1px solid rgba(255, 107, 157, 0.45); }
.data-badge { background: rgba(251, 191, 36, 0.2); color: #fde047; border: 1px solid rgba(251, 191, 36, 0.45); }
.action-badge { background: rgba(34, 197, 94, 0.2); color: #4ade80; border: 1px solid rgba(34, 197, 94, 0.45); }

.flow-step-body p {
  font-size: 1rem;
  color: #f8fafc;
  line-height: 1.55;
  font-weight: 500;
}

.flow-step-body strong {
  color: #ffffff;
  font-weight: 700;
}

.flow-arrow {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 0.5rem 0;
  position: relative;
}

.arrow-line {
  width: 2px;
  height: 30px;
  background: var(--bp-line);
}

.data-packet {
  display: flex;
  gap: 0.5rem;
  position: absolute;
  right: calc(50% + 1.5rem);
  top: 50%;
  transform: translateY(-50%);
}

.data-packet span {
  background: rgba(251, 191, 36, 0.18);
  color: #fde047;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.2rem 0.6rem;
  border-radius: 6px;
  border: 1px solid rgba(251, 191, 36, 0.35);
  font-family: var(--font-mono);
  box-shadow: 0 0 10px rgba(251, 191, 36, 0.2);
  animation: float-data 2s ease-in-out infinite alternate;
}

@keyframes float-data {
  from { transform: translateY(-2px); }
  to { transform: translateY(2px); }
}

.flow-actions-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  width: 100%;
  max-width: 520px;
}

/* ===== CONDITION & LOOP (Slide 6) ===== */
.condition-loop-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.cl-card {
  background: linear-gradient(135deg, rgba(20, 32, 60, 0.65) 0%, rgba(8, 14, 28, 0.82) 100%);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-radius: 18px;
  padding: 1.75rem;
  transition: all 0.3s cubic-bezier(0.2, 0.9, 0.3, 1);
  box-shadow: inset 0 1px 2px rgba(255, 255, 255, 0.22), 0 16px 40px rgba(0, 0, 0, 0.6);
}

.condition-card {
  border: 1px solid rgba(0, 217, 255, 0.4);
}
.condition-card:hover {
  border-color: rgba(0, 217, 255, 0.8);
  transform: translateY(-4px);
  box-shadow: inset 0 1px 2px rgba(255, 255, 255, 0.3), 0 20px 45px rgba(0, 0, 0, 0.7), 0 0 25px rgba(0, 217, 255, 0.25);
}

.loop-card {
  border: 1px solid rgba(139, 92, 246, 0.4);
}
.loop-card:hover {
  border-color: rgba(139, 92, 246, 0.8);
  transform: translateY(-4px);
  box-shadow: inset 0 1px 2px rgba(255, 255, 255, 0.3), 0 20px 45px rgba(0, 0, 0, 0.7), 0 0 25px rgba(139, 92, 246, 0.25);
}

.cl-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.cl-icon {
  font-size: 1.7rem;
  filter: drop-shadow(0 0 8px rgba(0, 217, 255, 0.4));
}

.cl-header h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  color: #ffffff;
  font-weight: 700;
}

.condition-flow {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.cf-check {
  background: rgba(0, 217, 255, 0.15);
  color: #38bdf8;
  padding: 0.65rem 1.25rem;
  border-radius: 10px;
  font-size: 0.95rem;
  font-weight: 700;
  border: 1px solid rgba(0, 217, 255, 0.45);
  box-shadow: 0 0 16px rgba(0, 217, 255, 0.2);
  text-align: center;
}

.cf-branches {
  display: flex;
  gap: 1rem;
  width: 100%;
}

.cf-yes, .cf-no {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  padding: 1rem;
  border-radius: 12px;
  font-size: 0.92rem;
  text-align: center;
  font-weight: 500;
}

.cf-yes {
  background: rgba(34, 197, 94, 0.14);
  border: 1px solid rgba(34, 197, 94, 0.4);
  color: #86efac;
  box-shadow: 0 0 15px rgba(34, 197, 94, 0.15);
}

.cf-no {
  background: rgba(239, 68, 68, 0.14);
  border: 1px solid rgba(239, 68, 68, 0.4);
  color: #fda4af;
  box-shadow: 0 0 15px rgba(239, 68, 68, 0.15);
}

.cf-label {
  font-weight: 700;
  font-size: 0.85rem;
}

.loop-visual {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: 1.25rem;
}

.loop-item {
  background: rgba(0, 217, 255, 0.15);
  color: #67e8f9;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  padding: 0.4rem 0.8rem;
  border-radius: 6px;
  border: 1px solid rgba(0, 217, 255, 0.35);
  box-shadow: 0 0 12px rgba(0, 217, 255, 0.15);
  animation: loop-pop 0.4s calc(var(--i) * 0.1s) both;
}

@keyframes loop-pop {
  from { opacity: 0; transform: scale(0.8); }
  to { opacity: 1; transform: scale(1); }
}

.loop-desc {
  font-size: 0.96rem;
  color: #f8fafc;
  font-weight: 500;
  line-height: 1.55;
}

.loop-desc strong {
  color: #ffffff;
  font-weight: 700;
}

/* ===== USE CASE GRID (Slide 7) ===== */
.use-case-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1rem;
}

.use-case-card {
  background: linear-gradient(135deg, rgba(20, 32, 60, 0.65) 0%, rgba(8, 14, 28, 0.8) 100%);
  backdrop-filter: blur(20px) saturate(160%);
  -webkit-backdrop-filter: blur(20px) saturate(160%);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 16px;
  padding: 1.6rem 1.25rem;
  text-align: center;
  transition: all 0.3s cubic-bezier(0.2, 0.9, 0.3, 1);
  box-shadow: inset 0 1px 2px rgba(255, 255, 255, 0.2), 0 14px 35px rgba(0, 0, 0, 0.55);
  animation: fadeInUp 0.5s var(--delay) both;
}

.use-case-card:hover {
  border-color: var(--cy);
  transform: translateY(-5px) scale(1.02);
  box-shadow: inset 0 1px 2px rgba(255, 255, 255, 0.3), 0 18px 45px rgba(0, 0, 0, 0.7), 0 0 25px rgba(0, 217, 255, 0.25);
}

.uc-icon {
  font-size: 2.2rem;
  margin-bottom: 0.6rem;
  filter: drop-shadow(0 0 10px rgba(0, 217, 255, 0.35));
}

.use-case-card h4 {
  font-size: 1rem;
  color: #ffffff;
  font-weight: 600;
  line-height: 1.45;
}

/* ===== API METAPHOR (Slide 8) ===== */
.api-metaphor {
  text-align: center;
}

.metaphor-scene {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.metaphor-actor {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  padding: 1.75rem 1.5rem;
  background: linear-gradient(135deg, rgba(20, 32, 60, 0.65) 0%, rgba(8, 14, 28, 0.82) 100%);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid rgba(0, 217, 255, 0.35);
  box-shadow: inset 0 1px 2px rgba(255, 255, 255, 0.22), 0 16px 40px rgba(0, 0, 0, 0.6), 0 0 25px rgba(0, 217, 255, 0.12);
  border-radius: 16px;
  min-width: 150px;
  transition: all 0.3s cubic-bezier(0.2, 0.9, 0.3, 1);
}

.metaphor-actor:hover {
  border-color: var(--cyan);
  transform: translateY(-5px) scale(1.02);
  box-shadow: inset 0 1px 2px rgba(255, 255, 255, 0.3), 0 20px 45px rgba(0, 0, 0, 0.7), 0 0 35px rgba(0, 217, 255, 0.25);
}

.actor-icon {
  font-size: 2.8rem;
  filter: drop-shadow(0 0 12px rgba(0, 217, 255, 0.35));
}

.metaphor-actor span {
  font-size: 0.95rem;
  color: #ffffff;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.metaphor-connector {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
  padding: 0 0.75rem;
}

.mc-line {
  width: 60px;
  height: 2px;
  background: linear-gradient(90deg, var(--cy), var(--pu));
  box-shadow: 0 0 8px var(--cy);
}

.mc-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  color: #67e8f9;
  white-space: nowrap;
}

.metaphor-caption {
  color: #f8fafc;
  font-size: 1.05rem;
  font-weight: 500;
  line-height: 1.6;
  margin-top: 1.5rem;
}

/* ===== CODE BLOCK (Slide 9) ===== */
.code-block {
  background: linear-gradient(135deg, rgba(10, 20, 40, 0.75) 0%, rgba(5, 12, 24, 0.9) 100%);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid rgba(0, 217, 255, 0.3);
  box-shadow: inset 0 1px 2px rgba(255, 255, 255, 0.2), 0 20px 50px rgba(0, 0, 0, 0.7), 0 0 30px rgba(0, 217, 255, 0.1);
  border-radius: 16px;
  overflow: hidden;
  margin-bottom: 2rem;
}

.code-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 1.25rem;
  background: rgba(0, 0, 0, 0.4);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.code-dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  box-shadow: 0 0 8px currentColor;
}

.code-dot.red { background: #ff5f57; color: #ff5f57; }
.code-dot.yellow { background: #febc2e; color: #febc2e; }
.code-dot.green { background: #28c840; color: #28c840; }

.code-title {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 600;
  color: #67e8f9;
  margin-left: auto;
  letter-spacing: 0.05em;
}

.code-block pre {
  padding: 1.5rem;
  overflow-x: auto;
}

.code-block code {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  line-height: 1.65;
  color: #f8fafc;
}

.code-method { color: #4ade80; font-weight: 700; text-shadow: 0 0 10px rgba(74, 222, 128, 0.4); }
.code-url { color: #38bdf8; }
.code-comment { color: #94a3b8; font-style: italic; }
.code-key { color: #ff8cb4; }
.code-val { color: #fb923c; }
.code-str { color: #2dd4bf; }

.http-methods {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}

.method-card {
  background: linear-gradient(135deg, rgba(20, 32, 60, 0.65) 0%, rgba(8, 14, 28, 0.82) 100%);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-radius: 14px;
  padding: 1.1rem 0.85rem;
  text-align: center;
  transition: all 0.3s cubic-bezier(0.2, 0.9, 0.3, 1);
  box-shadow: inset 0 1px 2px rgba(255, 255, 255, 0.18), 0 12px 30px rgba(0, 0, 0, 0.55);
}

.method-card:hover {
  transform: translateY(-4px) scale(1.02);
}

.method-name {
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 800;
  display: block;
  margin-bottom: 0.35rem;
  letter-spacing: 0.05em;
}

.method-desc {
  font-size: 0.88rem;
  color: #f8fafc;
  font-weight: 500;
}

.method-card.get {
  border: 1px solid rgba(34, 197, 94, 0.45);
  box-shadow: inset 0 1px 2px rgba(120, 240, 160, 0.3), 0 12px 30px rgba(0, 0, 0, 0.6), 0 0 18px rgba(34, 197, 94, 0.15);
}
.method-card.get .method-name { color: #4ade80; text-shadow: 0 0 10px rgba(74, 222, 128, 0.4); }
.method-card.get:hover { border-color: rgba(34, 197, 94, 0.85); box-shadow: 0 0 25px rgba(34, 197, 94, 0.3); }

.method-card.post {
  border: 1px solid rgba(255, 159, 67, 0.45);
  box-shadow: inset 0 1px 2px rgba(255, 190, 110, 0.3), 0 12px 30px rgba(0, 0, 0, 0.6), 0 0 18px rgba(255, 159, 67, 0.15);
}
.method-card.post .method-name { color: #fb923c; text-shadow: 0 0 10px rgba(251, 146, 60, 0.4); }
.method-card.post:hover { border-color: rgba(255, 159, 67, 0.85); box-shadow: 0 0 25px rgba(255, 159, 67, 0.3); }

.method-card.put {
  border: 1px solid rgba(251, 191, 36, 0.45);
  box-shadow: inset 0 1px 2px rgba(255, 220, 120, 0.3), 0 12px 30px rgba(0, 0, 0, 0.6), 0 0 18px rgba(251, 191, 36, 0.15);
}
.method-card.put .method-name { color: #facc15; text-shadow: 0 0 10px rgba(250, 204, 21, 0.4); }
.method-card.put:hover { border-color: rgba(251, 191, 36, 0.85); box-shadow: 0 0 25px rgba(251, 191, 36, 0.3); }

.method-card.delete {
  border: 1px solid rgba(239, 68, 68, 0.45);
  box-shadow: inset 0 1px 2px rgba(255, 150, 150, 0.3), 0 12px 30px rgba(0, 0, 0, 0.6), 0 0 18px rgba(239, 68, 68, 0.15);
}
.method-card.delete .method-name { color: #f87171; text-shadow: 0 0 10px rgba(248, 113, 113, 0.4); }
.method-card.delete:hover { border-color: rgba(239, 68, 68, 0.85); box-shadow: 0 0 25px rgba(239, 68, 68, 0.3); }

/* ===== AUTH & STATUS (Slide 10) ===== */
.auth-section {
  margin-bottom: 1.75rem;
}

.auth-visual {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  background: linear-gradient(135deg, rgba(20, 32, 60, 0.65) 0%, rgba(8, 14, 28, 0.82) 100%);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid rgba(251, 191, 36, 0.45);
  box-shadow: inset 0 1px 2px rgba(255, 220, 120, 0.3), 0 16px 40px rgba(0, 0, 0, 0.6), 0 0 25px rgba(251, 191, 36, 0.15);
  border-radius: 18px;
  padding: 1.6rem 2rem;
}

.key-icon {
  font-size: 2.8rem;
  filter: drop-shadow(0 0 12px rgba(251, 191, 36, 0.4));
}

.auth-text p {
  font-size: 1.08rem;
  line-height: 1.6;
  color: #f8fafc;
  font-weight: 500;
}

.auth-text strong {
  color: #ffffff;
  font-weight: 700;
}

.status-codes {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
}

.status-code {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  background: linear-gradient(135deg, rgba(20, 32, 60, 0.65) 0%, rgba(8, 14, 28, 0.82) 100%);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-radius: 14px;
  padding: 0.9rem 1.25rem;
  transition: all 0.3s cubic-bezier(0.2, 0.9, 0.3, 1);
  box-shadow: inset 0 1px 2px rgba(255, 255, 255, 0.18), 0 12px 30px rgba(0, 0, 0, 0.55);
}

.status-code:hover {
  transform: translateY(-3px) scale(1.02);
}

.sc-num {
  font-family: var(--font-mono);
  font-weight: 800;
  font-size: 1.2rem;
  letter-spacing: 0.05em;
}

.sc-text {
  font-size: 0.92rem;
  color: #f8fafc;
  font-weight: 600;
}

.status-code.success {
  border: 1px solid rgba(34, 197, 94, 0.45);
  box-shadow: 0 0 18px rgba(34, 197, 94, 0.18);
}
.status-code.success .sc-num { color: #4ade80; text-shadow: 0 0 10px rgba(74, 222, 128, 0.4); }
.status-code.success:hover { border-color: rgba(34, 197, 94, 0.85); box-shadow: 0 0 25px rgba(34, 197, 94, 0.3); }

.status-code.warn {
  border: 1px solid rgba(251, 191, 36, 0.45);
  box-shadow: 0 0 18px rgba(251, 191, 36, 0.18);
}
.status-code.warn .sc-num { color: #facc15; text-shadow: 0 0 10px rgba(250, 204, 21, 0.4); }
.status-code.warn:hover { border-color: rgba(251, 191, 36, 0.85); box-shadow: 0 0 25px rgba(251, 191, 36, 0.3); }

.status-code.error {
  border: 1px solid rgba(239, 68, 68, 0.45);
  box-shadow: 0 0 18px rgba(239, 68, 68, 0.18);
}
.status-code.error .sc-num { color: #f87171; text-shadow: 0 0 10px rgba(248, 113, 113, 0.4); }
.status-code.error:hover { border-color: rgba(239, 68, 68, 0.85); box-shadow: 0 0 25px rgba(239, 68, 68, 0.3); }

/* ===== WEBHOOK METAPHOR (Slide 11) ===== */
.wh-compare {
  display: flex;
  align-items: stretch;
  gap: 1.75rem;
}

.wh-side {
  flex: 1;
  background: linear-gradient(135deg, rgba(20, 32, 60, 0.65) 0%, rgba(8, 14, 28, 0.82) 100%);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-radius: 18px;
  padding: 2.2rem 1.85rem;
  text-align: center;
  transition: all 0.3s cubic-bezier(0.2, 0.9, 0.3, 1);
}

.api-side {
  border: 1px solid rgba(0, 217, 255, 0.45);
  box-shadow: inset 0 1px 2px rgba(120, 240, 255, 0.35), 0 18px 45px rgba(0, 0, 0, 0.65), 0 0 25px rgba(0, 217, 255, 0.18);
}
.api-side:hover {
  border-color: rgba(0, 217, 255, 0.85);
  transform: translateY(-5px) scale(1.02);
  box-shadow: inset 0 1px 2px rgba(120, 240, 255, 0.5), 0 22px 50px rgba(0, 0, 0, 0.75), 0 0 35px rgba(0, 217, 255, 0.35);
}

.webhook-side {
  border: 1px solid rgba(139, 92, 246, 0.45);
  box-shadow: inset 0 1px 2px rgba(200, 150, 255, 0.35), 0 18px 45px rgba(0, 0, 0, 0.65), 0 0 25px rgba(139, 92, 246, 0.18);
}
.webhook-side:hover {
  border-color: rgba(139, 92, 246, 0.85);
  transform: translateY(-5px) scale(1.02);
  box-shadow: inset 0 1px 2px rgba(200, 150, 255, 0.5), 0 22px 50px rgba(0, 0, 0, 0.75), 0 0 35px rgba(139, 92, 246, 0.35);
}

.wh-icon {
  font-size: 2.8rem;
  margin-bottom: 1.1rem;
  filter: drop-shadow(0 0 12px rgba(0, 217, 255, 0.35));
}

.wh-side h4 {
  font-family: var(--font-display);
  font-size: 1.35rem;
  color: #ffffff;
  font-weight: 700;
  margin-bottom: 0.75rem;
  letter-spacing: -0.01em;
}

.wh-side p {
  font-size: 1.02rem;
  color: #f8fafc;
  margin-bottom: 1.5rem;
  line-height: 1.6;
  font-weight: 500;
}

.wh-side strong {
  color: #ffffff;
  font-weight: 700;
}

.wh-vs {
  display: flex;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 1.35rem;
  font-weight: 800;
  color: #67e8f9;
  text-shadow: 0 0 12px rgba(0, 217, 255, 0.4);
}

.wh-anim {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 10px;
  padding: 0.75rem 1rem;
}

.wh-you, .wh-source {
  padding: 0.35rem 0.8rem;
  border-radius: 6px;
  font-weight: 700;
}

.wh-you {
  background: rgba(0, 217, 255, 0.18);
  color: #38bdf8;
  border: 1px solid rgba(0, 217, 255, 0.4);
  box-shadow: 0 0 10px rgba(0, 217, 255, 0.2);
}

.wh-source {
  background: rgba(139, 92, 246, 0.18);
  color: #c084fc;
  border: 1px solid rgba(139, 92, 246, 0.4);
  box-shadow: 0 0 10px rgba(139, 92, 246, 0.2);
}

.wh-arrow {
  color: #67e8f9;
  font-weight: 700;
  opacity: 0.6;
}

.pull-anim .wh-arrow {
  animation: arrow-right 1.5s ease-in-out infinite;
}

.push-anim .wh-arrow {
  animation: arrow-right 1.5s ease-in-out infinite;
}

@keyframes arrow-right {
  0%, 100% { opacity: 0.3; }
  50% { opacity: 1; }
}

/* ===== COMPARISON TABLE (Slide 12 - Glassmorphic Cyber Board) ===== */
.comparison-table {
  background: linear-gradient(135deg, rgba(22, 36, 68, 0.72) 0%, rgba(8, 15, 32, 0.88) 100%);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid rgba(0, 217, 255, 0.4);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: inset 0 1.5px 1px rgba(255, 255, 255, 0.3), 0 25px 60px rgba(0, 0, 0, 0.75), 0 0 35px rgba(0, 217, 255, 0.15);
}

.ct-header {
  display: grid;
  grid-template-columns: 1fr 1.25fr 1.25fr;
  gap: 0;
  padding: 1.4rem 2rem;
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.04) 0%, rgba(0, 217, 255, 0.12) 50%, rgba(139, 92, 246, 0.12) 100%);
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
  align-items: center;
}

.ct-header .ct-label {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: #94a3b8;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 700;
}

.ct-col {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.15rem;
  text-align: center;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 8px 22px;
  border-radius: 100px;
  margin: 0 auto;
  letter-spacing: -0.01em;
}

.api-col {
  color: #38bdf8;
  background: rgba(0, 217, 255, 0.2);
  border: 1px solid rgba(0, 217, 255, 0.55);
  box-shadow: 0 0 25px rgba(0, 217, 255, 0.35);
}

.webhook-col {
  color: #c084fc;
  background: rgba(139, 92, 246, 0.2);
  border: 1px solid rgba(139, 92, 246, 0.55);
  box-shadow: 0 0 25px rgba(139, 92, 246, 0.35);
}

.ct-row {
  display: grid;
  grid-template-columns: 1fr 1.25fr 1.25fr;
  gap: 0;
  padding: 1.5rem 2rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  transition: all 0.22s ease;
  align-items: center;
}

.ct-row:last-child {
  border-bottom: none;
}

.ct-row:hover {
  background: rgba(0, 217, 255, 0.06);
}

.ct-row .ct-label {
  font-family: var(--font-main);
  font-weight: 800;
  font-size: 1.15rem;
  color: #38bdf8; /* High-contrast Cyber Cyan label */
  display: flex;
  align-items: center;
  gap: 10px;
  border-left: 3px solid #00d9ff;
  padding-left: 12px;
}

.ct-cell {
  font-size: 1.05rem;
  color: #f8fafc; /* Crisp readable bright white */
  text-align: center;
  line-height: 1.6;
  font-weight: 550;
  padding: 0 1.25rem;
}

/* ===== TOGETHER FLOW (Slide 13 - Glossy Glassmorphic Flow) ===== */
.together-flow {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  flex-wrap: wrap;
}

.tf-step {
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-radius: 20px;
  padding: 2rem 1.6rem;
  text-align: center;
  min-width: 240px;
  max-width: 300px;
  transition: all 0.3s cubic-bezier(0.2, 0.9, 0.3, 1);
  position: relative;
}

.tf-step:hover {
  transform: translateY(-8px) scale(1.03);
}

.tf-icon {
  width: 68px;
  height: 68px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 2.4rem;
  margin: 0 auto 1.35rem;
  transition: transform 0.3s ease;
}

.tf-step:hover .tf-icon {
  transform: scale(1.15);
}

.tf-step h4 {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 0.75rem;
  letter-spacing: -0.01em;
}

.tf-step p {
  font-size: 1.05rem;
  color: #f8fafc; /* Crisp bright text */
  line-height: 1.6;
  font-weight: 500;
}

/* Colorful glowing borders and halos */
.tf-webhook {
  background: linear-gradient(155deg, rgba(251, 191, 36, 0.16) 0%, rgba(12, 19, 36, 0.88) 100%);
  border: 1px solid rgba(251, 191, 36, 0.55);
  box-shadow: inset 0 1.5px 1px rgba(255, 230, 140, 0.4), 0 20px 45px rgba(0, 0, 0, 0.7), 0 0 30px rgba(251, 191, 36, 0.2);
}
.tf-webhook .tf-icon {
  background: radial-gradient(circle, rgba(251, 191, 36, 0.3) 0%, rgba(251, 191, 36, 0.06) 70%);
  border: 1px solid rgba(251, 191, 36, 0.5);
  filter: drop-shadow(0 0 14px rgba(251, 191, 36, 0.5));
}
.tf-webhook:hover {
  border-color: rgba(251, 191, 36, 0.85);
  box-shadow: inset 0 1.5px 1px rgba(255, 230, 140, 0.55), 0 25px 55px rgba(0, 0, 0, 0.8), 0 0 40px rgba(251, 191, 36, 0.35);
}

.tf-automation {
  background: linear-gradient(155deg, rgba(0, 217, 255, 0.16) 0%, rgba(12, 19, 36, 0.88) 100%);
  border: 1px solid rgba(0, 217, 255, 0.55);
  box-shadow: inset 0 1.5px 1px rgba(140, 240, 255, 0.4), 0 20px 45px rgba(0, 0, 0, 0.7), 0 0 30px rgba(0, 217, 255, 0.25);
}
.tf-automation .tf-icon {
  background: radial-gradient(circle, rgba(0, 217, 255, 0.3) 0%, rgba(0, 217, 255, 0.06) 70%);
  border: 1px solid rgba(0, 217, 255, 0.5);
  filter: drop-shadow(0 0 14px rgba(0, 217, 255, 0.5));
}
.tf-automation:hover {
  border-color: rgba(0, 217, 255, 0.85);
  box-shadow: inset 0 1.5px 1px rgba(140, 240, 255, 0.55), 0 25px 55px rgba(0, 0, 0, 0.8), 0 0 40px rgba(0, 217, 255, 0.4);
}

.tf-api {
  background: linear-gradient(155deg, rgba(139, 92, 246, 0.16) 0%, rgba(12, 19, 36, 0.88) 100%);
  border: 1px solid rgba(139, 92, 246, 0.55);
  box-shadow: inset 0 1.5px 1px rgba(200, 150, 255, 0.4), 0 20px 45px rgba(0, 0, 0, 0.7), 0 0 30px rgba(139, 92, 246, 0.25);
}
.tf-api .tf-icon {
  background: radial-gradient(circle, rgba(139, 92, 246, 0.3) 0%, rgba(139, 92, 246, 0.06) 70%);
  border: 1px solid rgba(139, 92, 246, 0.5);
  filter: drop-shadow(0 0 14px rgba(139, 92, 246, 0.5));
}
.tf-api:hover {
  border-color: rgba(139, 92, 246, 0.85);
  box-shadow: inset 0 1.5px 1px rgba(200, 150, 255, 0.55), 0 25px 55px rgba(0, 0, 0, 0.8), 0 0 40px rgba(139, 92, 246, 0.4);
}

.tf-connector {
  width: 50px;
  position: relative;
  display: flex;
  align-items: center;
}

.tf-line {
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--cy), var(--pu));
  box-shadow: 0 0 10px rgba(0, 217, 255, 0.5);
  border-radius: 2px;
}

.tf-pulse {
  position: absolute;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #ffffff;
  box-shadow: 0 0 12px #ffffff, 0 0 20px var(--cy);
  animation: flow-pulse 2s ease-in-out infinite;
}

/* ===== TOOL CONCEPT (Slide 14) ===== */
.tool-concept {
  text-align: center;
}

.tool-desc {
  font-size: 1.3rem;
  line-height: 1.85;
  margin-bottom: 2.75rem;
  color: #f8fafc;
  font-weight: 500;
}

.tool-desc strong {
  color: #ffffff;
  font-weight: 700;
}

.tool-visual {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2.5rem;
}

.tv-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  background: linear-gradient(135deg, rgba(20, 32, 60, 0.65) 0%, rgba(8, 14, 28, 0.82) 100%);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid rgba(0, 217, 255, 0.35);
  box-shadow: inset 0 1px 2px rgba(255, 255, 255, 0.2), 0 16px 40px rgba(0, 0, 0, 0.6);
  border-radius: 18px;
  padding: 2.2rem 2.8rem;
  transition: all 0.3s cubic-bezier(0.2, 0.9, 0.3, 1);
}

.tv-item:hover {
  border-color: var(--cyan);
  transform: translateY(-6px) scale(1.02);
  box-shadow: inset 0 1px 2px rgba(255, 255, 255, 0.3), 0 22px 50px rgba(0, 0, 0, 0.7), 0 0 30px rgba(0, 217, 255, 0.25);
}

.tv-icon {
  font-size: 3rem;
  filter: drop-shadow(0 0 12px rgba(0, 217, 255, 0.4));
}

.tv-item span {
  font-size: 1.15rem;
  color: #ffffff;
  font-weight: 700;
}

.tv-or {
  font-family: var(--font-mono);
  color: #67e8f9;
  font-size: 1.1rem;
  font-weight: 700;
  text-shadow: 0 0 10px rgba(0, 217, 255, 0.35);
}

/* ===== TOOL CARDS (Slide 15 - Glossy Glassmorphic Cards) ===== */
.tool-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
}

.tool-card {
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-radius: 20px;
  overflow: hidden;
  transition: all 0.3s cubic-bezier(0.2, 0.9, 0.3, 1);
}

.tool-card:hover {
  transform: translateY(-8px) scale(1.025);
}

.tc-header {
  padding: 1.6rem 1.4rem;
  text-align: center;
}

.tc-header h3 {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 0.5rem;
  letter-spacing: -0.01em;
}

.tc-tagline {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  display: inline-block;
  font-weight: 800;
  padding: 5px 14px;
  border-radius: 100px;
}

/* Individual Card Themes: Zapier, Make, n8n */
.zapier-card {
  background: linear-gradient(155deg, rgba(255, 159, 67, 0.16) 0%, rgba(12, 19, 36, 0.88) 100%);
  border: 1px solid rgba(255, 159, 67, 0.55);
  box-shadow: inset 0 1.5px 1px rgba(255, 190, 110, 0.4), 0 20px 45px rgba(0, 0, 0, 0.7), 0 0 30px rgba(255, 159, 67, 0.2);
}
.zapier-card .tc-header {
  background: linear-gradient(180deg, rgba(255, 159, 67, 0.22) 0%, rgba(255, 159, 67, 0.02) 100%);
  border-bottom: 1px solid rgba(255, 159, 67, 0.35);
}
.zapier-card .tc-tagline {
  background: rgba(255, 159, 67, 0.25);
  color: #ffaf66;
  border: 1px solid rgba(255, 159, 67, 0.5);
  box-shadow: 0 0 12px rgba(255, 159, 67, 0.25);
}
.zapier-card:hover {
  border-color: rgba(255, 159, 67, 0.9);
  box-shadow: inset 0 1.5px 1px rgba(255, 190, 110, 0.55), 0 25px 55px rgba(0, 0, 0, 0.8), 0 0 40px rgba(255, 159, 67, 0.35);
}

.make-card {
  background: linear-gradient(155deg, rgba(168, 85, 247, 0.16) 0%, rgba(12, 19, 36, 0.88) 100%);
  border: 1px solid rgba(168, 85, 247, 0.55);
  box-shadow: inset 0 1.5px 1px rgba(210, 150, 255, 0.4), 0 20px 45px rgba(0, 0, 0, 0.7), 0 0 30px rgba(168, 85, 247, 0.25);
}
.make-card .tc-header {
  background: linear-gradient(180deg, rgba(168, 85, 247, 0.22) 0%, rgba(168, 85, 247, 0.02) 100%);
  border-bottom: 1px solid rgba(168, 85, 247, 0.35);
}
.make-card .tc-tagline {
  background: rgba(168, 85, 247, 0.25);
  color: #c084fc;
  border: 1px solid rgba(168, 85, 247, 0.5);
  box-shadow: 0 0 12px rgba(168, 85, 247, 0.25);
}
.make-card:hover {
  border-color: rgba(168, 85, 247, 0.9);
  box-shadow: inset 0 1.5px 1px rgba(210, 150, 255, 0.55), 0 25px 55px rgba(0, 0, 0, 0.8), 0 0 40px rgba(168, 85, 247, 0.4);
}

.n8n-card {
  background: linear-gradient(155deg, rgba(0, 217, 255, 0.16) 0%, rgba(12, 19, 36, 0.88) 100%);
  border: 1px solid rgba(0, 217, 255, 0.55);
  box-shadow: inset 0 1.5px 1px rgba(120, 240, 255, 0.4), 0 20px 45px rgba(0, 0, 0, 0.7), 0 0 30px rgba(0, 217, 255, 0.25);
}
.n8n-card .tc-header {
  background: linear-gradient(180deg, rgba(0, 217, 255, 0.22) 0%, rgba(0, 217, 255, 0.02) 100%);
  border-bottom: 1px solid rgba(0, 217, 255, 0.35);
}
.n8n-card .tc-tagline {
  background: rgba(0, 217, 255, 0.25);
  color: #38bdf8;
  border: 1px solid rgba(0, 217, 255, 0.5);
  box-shadow: 0 0 12px rgba(0, 217, 255, 0.25);
}
.n8n-card:hover {
  border-color: rgba(0, 217, 255, 0.9);
  box-shadow: inset 0 1.5px 1px rgba(120, 240, 255, 0.55), 0 25px 55px rgba(0, 0, 0, 0.8), 0 0 40px rgba(0, 217, 255, 0.4);
}

.tc-body {
  padding: 1.4rem 1.6rem;
}

.tc-row {
  display: flex;
  gap: 1rem;
  padding: 0.85rem 0;
  font-size: 1.02rem;
  color: #f8fafc; /* Crisp readable bright white */
  font-weight: 500;
  line-height: 1.6;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  align-items: flex-start;
}

.tc-row:last-child {
  border-bottom: none;
}

.tc-label {
  font-weight: 800;
  color: #38bdf8; /* Cyber Cyan label chip */
  font-size: 0.85rem;
  background: rgba(0, 217, 255, 0.16);
  border: 1px solid rgba(0, 217, 255, 0.4);
  padding: 3px 10px;
  border-radius: 6px;
  flex-shrink: 0;
  min-width: 48px;
  text-align: center;
  box-shadow: 0 0 10px rgba(0, 217, 255, 0.15);
}

.warn-row {
  background: rgba(251, 191, 36, 0.16);
  border: 1px solid rgba(251, 191, 36, 0.45);
  box-shadow: 0 0 18px rgba(251, 191, 36, 0.15);
  border-radius: 10px;
  padding: 12px 14px;
  margin-top: 0.75rem;
  color: #fef08a; /* High-contrast golden alert text */
  font-weight: 700;
  font-size: 0.96rem;
  display: flex;
  align-items: center;
  gap: 10px;
}

/* ===== CHOOSE QUESTIONS (Slide 16) ===== */
.choose-questions {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.cq-item {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  background: linear-gradient(135deg, rgba(20, 32, 60, 0.65) 0%, rgba(8, 14, 28, 0.82) 100%);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid rgba(0, 217, 255, 0.35);
  box-shadow: inset 0 1px 2px rgba(255, 255, 255, 0.2), 0 14px 35px rgba(0, 0, 0, 0.6);
  border-radius: 16px;
  padding: 1.4rem 1.75rem;
  transition: all 0.3s cubic-bezier(0.2, 0.9, 0.3, 1);
  animation: fadeInUp 0.5s var(--delay) both;
}

.cq-item:hover {
  border-color: rgba(0, 217, 255, 0.85);
  transform: translateX(6px) scale(1.01);
  box-shadow: inset 0 1px 2px rgba(255, 255, 255, 0.3), 0 18px 40px rgba(0, 0, 0, 0.7), 0 0 25px rgba(0, 217, 255, 0.25);
}

.cq-num {
  font-family: var(--font-mono);
  font-size: 1.35rem;
  font-weight: 800;
  color: #38bdf8;
  background: rgba(0, 217, 255, 0.16);
  border: 1px solid rgba(0, 217, 255, 0.45);
  border-radius: 12px;
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  box-shadow: 0 0 14px rgba(0, 217, 255, 0.2);
  flex-shrink: 0;
}

.cq-text h4 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  color: #ffffff;
  font-weight: 700;
  margin-bottom: 0.35rem;
  letter-spacing: -0.01em;
}

.cq-text p {
  font-size: 0.98rem;
  color: #f8fafc;
  line-height: 1.55;
  font-weight: 500;
}

/* ===== OTHER TOOLS (Slide 17) ===== */
.other-tools {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.75rem;
  margin-bottom: 2rem;
}

.ot-card {
  background: linear-gradient(135deg, rgba(20, 32, 60, 0.65) 0%, rgba(8, 14, 28, 0.82) 100%);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid rgba(139, 92, 246, 0.45);
  box-shadow: inset 0 1px 2px rgba(200, 150, 255, 0.35), 0 18px 45px rgba(0, 0, 0, 0.65), 0 0 25px rgba(139, 92, 246, 0.16);
  border-radius: 18px;
  padding: 2.2rem 1.85rem;
  text-align: center;
  transition: all 0.3s cubic-bezier(0.2, 0.9, 0.3, 1);
}

.ot-card:hover {
  border-color: rgba(139, 92, 246, 0.85);
  transform: translateY(-5px) scale(1.02);
  box-shadow: inset 0 1px 2px rgba(200, 150, 255, 0.5), 0 22px 50px rgba(0, 0, 0, 0.75), 0 0 35px rgba(139, 92, 246, 0.3);
}

.ot-icon {
  font-size: 2.8rem;
  margin-bottom: 1rem;
  filter: drop-shadow(0 0 12px rgba(139, 92, 246, 0.4));
}

.ot-card h4 {
  font-family: var(--font-display);
  font-size: 1.35rem;
  color: #ffffff;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.ot-card p {
  font-size: 1.02rem;
  color: #f8fafc;
  line-height: 1.6;
  font-weight: 500;
}

.blueprint-note {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.95rem;
  font-weight: 500;
  color: #fef08a;
  background: rgba(251, 191, 36, 0.14);
  border: 1px solid rgba(251, 191, 36, 0.4);
  box-shadow: 0 0 18px rgba(251, 191, 36, 0.15);
  border-radius: 12px;
  padding: 1rem 1.25rem;
}

.blueprint-note svg {
  color: var(--yellow);
  flex-shrink: 0;
}

/* ===== WORKFLOW VS AGENT (Slide 18) ===== */
.wva-compare {
  display: flex;
  align-items: stretch;
  gap: 1rem;
  margin-bottom: 1rem;
}

.wva-card {
  flex: 1;
  background: linear-gradient(135deg, rgba(20, 32, 60, 0.65) 0%, rgba(8, 14, 28, 0.8) 100%);
  backdrop-filter: blur(24px) saturate(160%);
  -webkit-backdrop-filter: blur(24px) saturate(160%);
  border-radius: 18px;
  padding: 1.75rem 1.6rem;
  transition: all 0.3s cubic-bezier(0.2, 0.9, 0.3, 1);
}

.wva-card:hover {
  transform: translateY(-6px) scale(1.02);
}

.workflow-card {
  border: 1px solid rgba(0, 217, 255, 0.45);
  background: linear-gradient(135deg, rgba(0, 217, 255, 0.08) 0%, rgba(8, 14, 28, 0.82) 100%);
  box-shadow: inset 0 1px 2px rgba(120, 240, 255, 0.35), 0 18px 45px rgba(0, 0, 0, 0.65), 0 0 25px rgba(0, 217, 255, 0.15);
}
.workflow-card:hover {
  border-color: rgba(0, 217, 255, 0.85);
  box-shadow: inset 0 1px 2px rgba(120, 240, 255, 0.5), 0 22px 50px rgba(0, 0, 0, 0.75), 0 0 35px rgba(0, 217, 255, 0.3);
}

.agent-card {
  border: 1px solid rgba(139, 92, 246, 0.45);
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.08) 0%, rgba(8, 14, 28, 0.82) 100%);
  box-shadow: inset 0 1px 2px rgba(200, 150, 255, 0.35), 0 18px 45px rgba(0, 0, 0, 0.65), 0 0 25px rgba(139, 92, 246, 0.15);
}
.agent-card:hover {
  border-color: rgba(139, 92, 246, 0.85);
  box-shadow: inset 0 1px 2px rgba(200, 150, 255, 0.5), 0 22px 50px rgba(0, 0, 0, 0.75), 0 0 35px rgba(139, 92, 246, 0.3);
}

.wva-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.wva-icon {
  font-size: 1.8rem;
}

.wva-header h3 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  color: #ffffff;
}

.wva-visual {
  margin-bottom: 1.25rem;
  text-align: center;
  padding: 1.25rem;
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 12px;
}

.wva-meta {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: #67e8f9;
  margin-top: 0.6rem;
  font-weight: 600;
}

/* Rail Track for Workflow */
.rail-track {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
}

.rail-dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--cy);
  box-shadow: 0 0 10px var(--cy);
}

.rail-line {
  width: 44px;
  height: 3px;
  background: var(--cy);
  box-shadow: 0 0 6px var(--cy);
  opacity: 0.7;
}

/* Map Paths for Agent */
.map-paths {
  position: relative;
  width: 80px;
  height: 60px;
  margin: 0 auto;
}

.center-dot {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--pu);
  box-shadow: 0 0 12px var(--pu);
}

.map-branch {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 35px;
  height: 2px;
  background: var(--pu);
  box-shadow: 0 0 6px var(--pu);
  opacity: 0.7;
  transform-origin: left center;
}

.map-branch.b1 { transform: rotate(-45deg); }
.map-branch.b2 { transform: rotate(0deg); }
.map-branch.b3 { transform: rotate(45deg); }

.wva-traits {
  list-style: none;
}

.wva-traits li {
  font-size: 0.96rem;
  color: #f8fafc; /* Crisp readable bright white */
  font-weight: 500;
  line-height: 1.55;
  padding: 0.5rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
  position: relative;
  padding-left: 1.25rem;
}

.wva-traits li::before {
  content: '›';
  position: absolute;
  left: 0;
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--cy);
}

.agent-card .wva-traits li::before {
  color: var(--pu);
}

.wva-vs {
  display: flex;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-dim);
  opacity: 0.3;
}

.wva-source {
  font-size: 0.75rem;
  color: var(--text-dim);
  opacity: 0.5;
  text-align: center;
}

/* ===== PATTERNS LIST (Slide 19) ===== */
.patterns-list {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.pattern-item {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  background: linear-gradient(135deg, rgba(20, 32, 60, 0.65) 0%, rgba(8, 14, 28, 0.82) 100%);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid rgba(0, 217, 255, 0.35);
  box-shadow: inset 0 1px 2px rgba(255, 255, 255, 0.18), 0 12px 30px rgba(0, 0, 0, 0.55);
  border-radius: 14px;
  padding: 1.15rem 1.5rem;
  transition: all 0.3s cubic-bezier(0.2, 0.9, 0.3, 1);
  animation: fadeInUp 0.4s var(--delay) both;
}

.pattern-item:hover {
  border-color: rgba(0, 217, 255, 0.85);
  transform: translateX(6px) scale(1.01);
  box-shadow: inset 0 1px 2px rgba(255, 255, 255, 0.28), 0 16px 35px rgba(0, 0, 0, 0.65), 0 0 25px rgba(0, 217, 255, 0.25);
}

.pi-icon {
  font-size: 1.8rem;
  filter: drop-shadow(0 0 8px rgba(0, 217, 255, 0.35));
  flex-shrink: 0;
}

.pi-content h4 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: #38bdf8;
  font-weight: 700;
  margin-bottom: 0.3rem;
  letter-spacing: -0.01em;
}

.pi-content p {
  font-size: 0.96rem;
  color: #f8fafc;
  line-height: 1.55;
  font-weight: 500;
}

/* ===== WHEN WHICH (Slide 20) ===== */
.when-which {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.ww-advice {
  display: flex;
  align-items: flex-start;
  gap: 1.5rem;
  background: linear-gradient(135deg, rgba(251, 191, 36, 0.14) 0%, rgba(12, 19, 36, 0.85) 100%);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid rgba(251, 191, 36, 0.45);
  box-shadow: inset 0 1px 2px rgba(255, 220, 120, 0.35), 0 20px 45px rgba(0, 0, 0, 0.65), 0 0 25px rgba(251, 191, 36, 0.16);
  border-radius: 18px;
  padding: 2.2rem;
}

.ww-icon {
  font-size: 2.6rem;
  flex-shrink: 0;
  filter: drop-shadow(0 0 12px rgba(251, 191, 36, 0.4));
}

.ww-advice blockquote {
  font-size: 1.15rem;
  line-height: 1.75;
  color: #f8fafc;
  font-weight: 500;
}

.ww-advice strong {
  color: #ffffff;
  font-weight: 700;
}

.ww-examples {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.ww-ex {
  background: linear-gradient(135deg, rgba(20, 32, 60, 0.65) 0%, rgba(8, 14, 28, 0.82) 100%);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid rgba(255, 255, 255, 0.16);
  box-shadow: inset 0 1px 2px rgba(255, 255, 255, 0.18), 0 14px 35px rgba(0, 0, 0, 0.6);
  border-radius: 16px;
  padding: 1.5rem;
  text-align: center;
}

.ww-label {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  padding: 0.3rem 0.85rem;
  border-radius: 100px;
  margin-bottom: 0.75rem;
  letter-spacing: 0.05em;
}

.workflow-label {
  background: rgba(0, 217, 255, 0.2);
  color: #38bdf8;
  border: 1px solid rgba(0, 217, 255, 0.45);
  box-shadow: 0 0 12px rgba(0, 217, 255, 0.2);
}

.agent-label {
  background: rgba(139, 92, 246, 0.2);
  color: #c084fc;
  border: 1px solid rgba(139, 92, 246, 0.45);
  box-shadow: 0 0 12px rgba(139, 92, 246, 0.2);
}

.ww-ex p {
  font-size: 1.05rem;
  color: #f8fafc;
  font-weight: 500;
  margin-top: 0.6rem;
}

/* ===== MCP PROBLEM (Slide 21) ===== */
.mcp-problem {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.mcp-before, .mcp-after {
  flex: 1;
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-radius: 18px;
  padding: 1.85rem;
  text-align: center;
  transition: all 0.3s cubic-bezier(0.2, 0.9, 0.3, 1);
}

.mcp-before {
  background: linear-gradient(135deg, rgba(239, 68, 68, 0.12) 0%, rgba(12, 19, 36, 0.85) 100%);
  border: 1px solid rgba(239, 68, 68, 0.45);
  box-shadow: inset 0 1px 2px rgba(255, 150, 150, 0.3), 0 18px 45px rgba(0, 0, 0, 0.65), 0 0 25px rgba(239, 68, 68, 0.15);
}
.mcp-before:hover {
  border-color: rgba(239, 68, 68, 0.85);
  transform: translateY(-4px);
  box-shadow: 0 0 35px rgba(239, 68, 68, 0.3);
}

.mcp-after {
  background: linear-gradient(135deg, rgba(34, 197, 94, 0.12) 0%, rgba(12, 19, 36, 0.85) 100%);
  border: 1px solid rgba(34, 197, 94, 0.45);
  box-shadow: inset 0 1px 2px rgba(120, 240, 160, 0.3), 0 18px 45px rgba(0, 0, 0, 0.65), 0 0 25px rgba(34, 197, 94, 0.15);
}
.mcp-after:hover {
  border-color: rgba(34, 197, 94, 0.85);
  transform: translateY(-4px);
  box-shadow: 0 0 35px rgba(34, 197, 94, 0.3);
}

.mcp-before h4 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  color: #fda4af;
  font-weight: 700;
  margin-bottom: 1.25rem;
}

.mcp-after h4 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  color: #86efac;
  font-weight: 700;
  margin-bottom: 1.25rem;
}

.mcp-web, .mcp-hub-visual {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
}

.mcp-side {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.mcp-side span {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.25rem 0.6rem;
  border-radius: 6px;
  background: rgba(0, 217, 255, 0.16);
  color: #38bdf8;
  border: 1px solid rgba(0, 217, 255, 0.35);
  box-shadow: 0 0 10px rgba(0, 217, 255, 0.15);
}

.mcp-tools span {
  background: rgba(139, 92, 246, 0.16);
  color: #c084fc;
  border-color: rgba(139, 92, 246, 0.35);
  box-shadow: 0 0 10px rgba(139, 92, 246, 0.15);
}

.mcp-wires {
  width: 60px;
  height: 120px;
  position: relative;
}

.mcp-wires.mess {
  background: repeating-linear-gradient(
    45deg,
    transparent,
    transparent 2px,
    rgba(239, 68, 68, 0.25) 2px,
    rgba(239, 68, 68, 0.25) 4px
  );
  border-radius: 6px;
}

.mcp-hub {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 800;
  color: #00ffc8;
  background: rgba(0, 255, 200, 0.16);
  border: 2px solid rgba(0, 255, 200, 0.5);
  border-radius: 50%;
  width: 58px;
  height: 58px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 25px rgba(0, 255, 200, 0.4);
}

.mcp-arrow-big {
  font-size: 2.2rem;
  color: #67e8f9;
  font-weight: 800;
  text-shadow: 0 0 14px rgba(0, 217, 255, 0.4);
}

/* ===== MCP HOW (Slide 22) ===== */
.mcp-how {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
  margin-bottom: 2rem;
}

.mcp-step {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  background: linear-gradient(135deg, rgba(20, 32, 60, 0.65) 0%, rgba(8, 14, 28, 0.82) 100%);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid rgba(0, 217, 255, 0.35);
  box-shadow: inset 0 1px 2px rgba(255, 255, 255, 0.2), 0 14px 35px rgba(0, 0, 0, 0.6);
  border-radius: 16px;
  padding: 1.35rem 1.75rem;
  width: 100%;
  max-width: 640px;
  transition: all 0.3s cubic-bezier(0.2, 0.9, 0.3, 1);
}

.mcp-step:hover {
  border-color: rgba(0, 217, 255, 0.85);
  transform: translateX(6px) scale(1.01);
  box-shadow: inset 0 1px 2px rgba(255, 255, 255, 0.28), 0 18px 40px rgba(0, 0, 0, 0.7), 0 0 25px rgba(0, 217, 255, 0.25);
}

.mcp-step-num {
  font-family: var(--font-mono);
  font-size: 1.35rem;
  font-weight: 800;
  color: #38bdf8;
  background: rgba(0, 217, 255, 0.16);
  border: 1px solid rgba(0, 217, 255, 0.45);
  border-radius: 12px;
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  box-shadow: 0 0 14px rgba(0, 217, 255, 0.2);
  flex-shrink: 0;
}

.mcp-step p {
  font-size: 1.05rem;
  color: #f8fafc;
  line-height: 1.6;
  font-weight: 500;
}

.mcp-step code {
  font-family: var(--font-mono);
  font-size: 0.92rem;
  font-weight: 700;
  background: rgba(0, 217, 255, 0.18);
  color: #67e8f9;
  border: 1px solid rgba(0, 217, 255, 0.4);
  padding: 0.2rem 0.6rem;
  border-radius: 6px;
  box-shadow: 0 0 10px rgba(0, 217, 255, 0.15);
}

.mcp-step-arrow {
  font-size: 1.8rem;
  color: #67e8f9;
  font-weight: 800;
  text-align: center;
  padding: 0.35rem 0;
  text-shadow: 0 0 10px rgba(0, 217, 255, 0.4);
}

.mcp-format {
  text-align: center;
  font-size: 0.95rem;
  color: #f8fafc;
  font-weight: 500;
}

.format-badge {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  background: rgba(0, 217, 255, 0.2);
  color: #38bdf8;
  border: 1px solid rgba(0, 217, 255, 0.45);
  padding: 0.35rem 0.85rem;
  border-radius: 8px;
  margin-right: 0.6rem;
  box-shadow: 0 0 12px rgba(0, 217, 255, 0.2);
}

/* ===== MCP PROVIDES (Slide 23) ===== */
.mcp-provides {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.mp-card {
  background: linear-gradient(135deg, rgba(20, 32, 60, 0.65) 0%, rgba(8, 14, 28, 0.82) 100%);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid rgba(0, 217, 255, 0.4);
  box-shadow: inset 0 1px 2px rgba(255, 255, 255, 0.22), 0 16px 40px rgba(0, 0, 0, 0.6);
  border-radius: 18px;
  padding: 2rem 1.6rem;
  text-align: center;
  transition: all 0.3s cubic-bezier(0.2, 0.9, 0.3, 1);
  animation: fadeInUp 0.5s var(--delay) both;
  position: relative;
}

.mp-card:hover {
  border-color: rgba(0, 217, 255, 0.85);
  transform: translateY(-5px) scale(1.02);
  box-shadow: inset 0 1px 2px rgba(255, 255, 255, 0.3), 0 22px 50px rgba(0, 0, 0, 0.75), 0 0 30px rgba(0, 217, 255, 0.25);
}

.mp-icon {
  font-size: 2.6rem;
  margin-bottom: 0.9rem;
  filter: drop-shadow(0 0 12px rgba(0, 217, 255, 0.4));
}

.mp-card h4 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  color: #ffffff;
  font-weight: 700;
  margin-bottom: 0.6rem;
}

.mp-card p {
  font-size: 0.96rem;
  color: #f8fafc;
  line-height: 1.55;
  font-weight: 500;
}

.mp-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  margin-top: 1rem;
  padding: 0.3rem 0.8rem;
  border-radius: 100px;
}

.mp-badge.primary {
  background: rgba(0, 217, 255, 0.2);
  color: #38bdf8;
  border: 1px solid rgba(0, 217, 255, 0.45);
  box-shadow: 0 0 12px rgba(0, 217, 255, 0.2);
}

/* ===== MCP DIFF (Slide 24) ===== */
.mcp-diff {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.md-row {
  display: flex;
  align-items: stretch;
  gap: 1.5rem;
}

.md-api, .md-mcp {
  flex: 1;
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-radius: 18px;
  padding: 2rem;
  text-align: center;
  transition: all 0.3s cubic-bezier(0.2, 0.9, 0.3, 1);
}

.md-api {
  background: linear-gradient(135deg, rgba(0, 217, 255, 0.1) 0%, rgba(12, 19, 36, 0.85) 100%);
  border: 1px solid rgba(0, 217, 255, 0.45);
  box-shadow: inset 0 1px 2px rgba(120, 240, 255, 0.35), 0 18px 45px rgba(0, 0, 0, 0.65), 0 0 25px rgba(0, 217, 255, 0.16);
}
.md-api:hover {
  border-color: rgba(0, 217, 255, 0.85);
  transform: translateY(-4px);
  box-shadow: 0 0 35px rgba(0, 217, 255, 0.3);
}

.md-mcp {
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.1) 0%, rgba(12, 19, 36, 0.85) 100%);
  border: 1px solid rgba(139, 92, 246, 0.45);
  box-shadow: inset 0 1px 2px rgba(200, 150, 255, 0.35), 0 18px 45px rgba(0, 0, 0, 0.65), 0 0 25px rgba(139, 92, 246, 0.16);
}
.md-mcp:hover {
  border-color: rgba(139, 92, 246, 0.85);
  transform: translateY(-4px);
  box-shadow: 0 0 35px rgba(139, 92, 246, 0.3);
}

.md-api h4 {
  font-family: var(--font-display);
  font-size: 1.35rem;
  color: #38bdf8;
  font-weight: 700;
  margin-bottom: 0.85rem;
}

.md-mcp h4 {
  font-family: var(--font-display);
  font-size: 1.35rem;
  color: #c084fc;
  font-weight: 700;
  margin-bottom: 0.85rem;
}

.md-api p, .md-mcp p {
  font-size: 1.05rem;
  color: #f8fafc;
  line-height: 1.6;
  font-weight: 500;
}

.md-api strong, .md-mcp strong {
  color: #ffffff;
  font-weight: 700;
}

.md-vs {
  display: flex;
  align-items: center;
  font-size: 2.2rem;
  font-weight: 800;
  color: #67e8f9;
  text-shadow: 0 0 14px rgba(0, 217, 255, 0.4);
}

.md-note {
  text-align: center;
}

.md-not {
  display: flex;
  justify-content: center;
  gap: 1.25rem;
  flex-wrap: wrap;
  font-size: 1rem;
}

.md-not span {
  padding: 0.65rem 1.35rem;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 12px;
  color: #f8fafc;
  font-weight: 600;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
}

.md-not span strong {
  color: #ffffff;
  font-weight: 700;
}

/* ===== MCP TODAY (Slide 25) ===== */
.mcp-today {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3rem;
}

.mt-timeline {
  display: flex;
  align-items: center;
  gap: 0;
  width: 100%;
  max-width: 660px;
}

.mt-point {
  flex: 0;
  text-align: center;
  background: linear-gradient(135deg, rgba(20, 32, 60, 0.65) 0%, rgba(8, 14, 28, 0.82) 100%);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid rgba(0, 217, 255, 0.4);
  box-shadow: inset 0 1px 2px rgba(255, 255, 255, 0.2), 0 16px 40px rgba(0, 0, 0, 0.6);
  border-radius: 16px;
  padding: 1.5rem 1.6rem;
  min-width: 220px;
  transition: all 0.3s;
}

.mt-point:hover {
  transform: translateY(-4px);
  border-color: rgba(0, 217, 255, 0.85);
  box-shadow: 0 0 25px rgba(0, 217, 255, 0.25);
}

.mt-date {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  color: #38bdf8;
  margin-bottom: 0.5rem;
}

.mt-event {
  font-size: 0.98rem;
  color: #f8fafc;
  font-weight: 500;
  line-height: 1.55;
}

.mt-line {
  flex: 1;
  height: 3px;
  background: linear-gradient(90deg, var(--cy), var(--teal));
  box-shadow: 0 0 10px rgba(0, 217, 255, 0.5);
  min-width: 40px;
}

.mt-stat {
  text-align: center;
}

.mt-num {
  font-family: var(--font-mono);
  font-size: 3.8rem;
  font-weight: 900;
  color: #00d9ff;
  text-shadow: 0 0 45px rgba(0, 217, 255, 0.5);
  letter-spacing: -0.02em;
}

.mt-label {
  font-size: 1.15rem;
  color: #f8fafc;
  font-weight: 600;
  margin-top: 0.35rem;
}

/* ===== BEFORE AFTER (Slide 26) ===== */
.before-after {
  display: flex;
  align-items: stretch;
  gap: 1.75rem;
}

.ba-side {
  flex: 1;
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-radius: 18px;
  padding: 2rem;
  text-align: center;
  transition: all 0.3s cubic-bezier(0.2, 0.9, 0.3, 1);
}

.ba-side h4 {
  font-family: var(--font-display);
  font-size: 1.35rem;
  margin-bottom: 1.25rem;
  font-weight: 700;
}

.ba-before {
  background: linear-gradient(135deg, rgba(239, 68, 68, 0.12) 0%, rgba(12, 19, 36, 0.85) 100%);
  border: 1px solid rgba(239, 68, 68, 0.45);
  box-shadow: inset 0 1px 2px rgba(255, 150, 150, 0.3), 0 18px 45px rgba(0, 0, 0, 0.65), 0 0 25px rgba(239, 68, 68, 0.15);
}
.ba-before h4 { color: #fda4af; }
.ba-before:hover {
  border-color: rgba(239, 68, 68, 0.85);
  transform: translateY(-4px);
  box-shadow: 0 0 35px rgba(239, 68, 68, 0.3);
}

.ba-after {
  background: linear-gradient(135deg, rgba(34, 197, 94, 0.12) 0%, rgba(12, 19, 36, 0.85) 100%);
  border: 1px solid rgba(34, 197, 94, 0.45);
  box-shadow: inset 0 1px 2px rgba(120, 240, 160, 0.3), 0 18px 45px rgba(0, 0, 0, 0.65), 0 0 25px rgba(34, 197, 94, 0.15);
}
.ba-after h4 { color: #86efac; }
.ba-after:hover {
  border-color: rgba(34, 197, 94, 0.85);
  transform: translateY(-4px);
  box-shadow: 0 0 35px rgba(34, 197, 94, 0.3);
}

.ba-task {
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid rgba(255, 255, 255, 0.08);
  padding: 0.65rem 1.25rem;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 600;
  color: #f8fafc;
  margin-bottom: 0.6rem;
}

.ba-task.automated {
  background: rgba(34, 197, 94, 0.18);
  border: 1px solid rgba(34, 197, 94, 0.45);
  color: #86efac;
  box-shadow: 0 0 14px rgba(34, 197, 94, 0.2);
}

.ba-repeat {
  font-size: 0.95rem;
  color: #fda4af;
  margin-top: 1rem;
  font-weight: 700;
}

.ba-auto-run {
  font-size: 1.15rem;
  color: #4ade80;
  margin-top: 1.25rem;
  font-weight: 700;
  text-shadow: 0 0 12px rgba(74, 222, 128, 0.4);
}

.ba-arrow {
  display: flex;
  align-items: center;
  font-size: 2.2rem;
  font-weight: 800;
  color: #67e8f9;
  text-shadow: 0 0 14px rgba(0, 217, 255, 0.4);
}

/* ===== ERROR COMPARE (Slide 27) ===== */
.error-compare {
  display: flex;
  align-items: stretch;
  gap: 1.5rem;
}

.ec-side {
  flex: 1;
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-radius: 18px;
  padding: 2rem;
  text-align: center;
  transition: all 0.3s cubic-bezier(0.2, 0.9, 0.3, 1);
}

.ec-human {
  background: linear-gradient(135deg, rgba(239, 68, 68, 0.12) 0%, rgba(12, 19, 36, 0.85) 100%);
  border: 1px solid rgba(239, 68, 68, 0.45);
  box-shadow: inset 0 1px 2px rgba(255, 150, 150, 0.3), 0 18px 45px rgba(0, 0, 0, 0.65), 0 0 25px rgba(239, 68, 68, 0.15);
}
.ec-human:hover {
  border-color: rgba(239, 68, 68, 0.85);
  transform: translateY(-4px);
  box-shadow: 0 0 35px rgba(239, 68, 68, 0.3);
}

.ec-machine {
  background: linear-gradient(135deg, rgba(34, 197, 94, 0.12) 0%, rgba(12, 19, 36, 0.85) 100%);
  border: 1px solid rgba(34, 197, 94, 0.45);
  box-shadow: inset 0 1px 2px rgba(120, 240, 160, 0.3), 0 18px 45px rgba(0, 0, 0, 0.65), 0 0 25px rgba(34, 197, 94, 0.15);
}
.ec-machine:hover {
  border-color: rgba(34, 197, 94, 0.85);
  transform: translateY(-4px);
  box-shadow: 0 0 35px rgba(34, 197, 94, 0.3);
}

.ec-icon {
  font-size: 2.6rem;
  margin-bottom: 0.9rem;
  filter: drop-shadow(0 0 10px rgba(0, 217, 255, 0.3));
}

.ec-side h4 {
  font-family: var(--font-display);
  font-size: 1.35rem;
  margin-bottom: 0.6rem;
  font-weight: 700;
}
.ec-human h4 { color: #fda4af; }
.ec-machine h4 { color: #86efac; }

.ec-side p {
  font-size: 1rem;
  color: #f8fafc;
  margin-bottom: 1.25rem;
  font-weight: 500;
}

.ec-visual {
  display: flex;
  gap: 0.6rem;
  justify-content: center;
  flex-wrap: wrap;
}

.ec-cell {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  padding: 0.35rem 0.75rem;
  border-radius: 6px;
}

.ec-cell.wrong {
  background: rgba(239, 68, 68, 0.18);
  color: #fda4af;
  border: 1px solid rgba(239, 68, 68, 0.45);
  text-decoration: line-through;
}

.ec-cell.correct {
  background: rgba(34, 197, 94, 0.18);
  color: #86efac;
  border: 1px solid rgba(34, 197, 94, 0.45);
}

.ec-vs {
  display: flex;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 1.35rem;
  font-weight: 800;
  color: #67e8f9;
  text-shadow: 0 0 12px rgba(0, 217, 255, 0.4);
}

/* ===== SCALE POINTS (Slide 28) ===== */
.scale-points {
  display: flex;
  flex-direction: column;
  gap: 1.35rem;
}

.sp-item {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  background: linear-gradient(135deg, rgba(20, 32, 60, 0.65) 0%, rgba(8, 14, 28, 0.82) 100%);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid rgba(0, 217, 255, 0.35);
  box-shadow: inset 0 1px 2px rgba(255, 255, 255, 0.2), 0 14px 35px rgba(0, 0, 0, 0.6);
  border-radius: 16px;
  padding: 1.5rem 1.75rem;
  transition: all 0.3s cubic-bezier(0.2, 0.9, 0.3, 1);
  animation: fadeInUp 0.5s var(--delay) both;
}

.sp-item:hover {
  border-color: rgba(0, 217, 255, 0.85);
  transform: translateX(6px) scale(1.01);
  box-shadow: inset 0 1px 2px rgba(255, 255, 255, 0.28), 0 18px 40px rgba(0, 0, 0, 0.7), 0 0 25px rgba(0, 217, 255, 0.25);
}

.sp-icon {
  font-size: 2.5rem;
  filter: drop-shadow(0 0 10px rgba(0, 217, 255, 0.4));
  flex-shrink: 0;
}

.sp-item p {
  font-size: 1.08rem;
  color: #f8fafc;
  line-height: 1.6;
  font-weight: 500;
}

.sp-item strong {
  color: #ffffff;
  font-weight: 700;
}

/* ===== AI ADDED (Slide 29) ===== */
.ai-added {
  display: flex;
  align-items: stretch;
  gap: 1.75rem;
}

.aa-before, .aa-after {
  flex: 1;
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-radius: 18px;
  padding: 2rem;
  transition: all 0.3s cubic-bezier(0.2, 0.9, 0.3, 1);
}

.aa-before {
  background: linear-gradient(135deg, rgba(20, 32, 60, 0.65) 0%, rgba(8, 14, 28, 0.82) 100%);
  border: 1px solid rgba(255, 255, 255, 0.16);
  box-shadow: inset 0 1px 2px rgba(255, 255, 255, 0.2), 0 16px 40px rgba(0, 0, 0, 0.6);
}
.aa-before h4 { color: #94a3b8; }
.aa-before:hover {
  border-color: rgba(255, 255, 255, 0.35);
  transform: translateY(-4px);
}

.aa-after {
  background: linear-gradient(135deg, rgba(0, 217, 255, 0.12) 0%, rgba(12, 19, 36, 0.85) 100%);
  border: 1px solid rgba(0, 217, 255, 0.45);
  box-shadow: inset 0 1px 2px rgba(120, 240, 255, 0.35), 0 18px 45px rgba(0, 0, 0, 0.65), 0 0 25px rgba(0, 217, 255, 0.18);
}
.aa-after h4 { color: #38bdf8; }
.aa-after:hover {
  border-color: rgba(0, 217, 255, 0.85);
  transform: translateY(-4px);
  box-shadow: 0 0 35px rgba(0, 217, 255, 0.3);
}

.aa-before h4, .aa-after h4 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 0.6rem;
}

.aa-before p, .aa-after p {
  font-size: 0.98rem;
  color: #f8fafc;
  margin-bottom: 1.25rem;
  font-weight: 500;
}

.aa-before strong, .aa-after strong {
  color: #ffffff;
  font-weight: 700;
}

.aa-visual {
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 12px;
  padding: 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.88rem;
}

.aa-visual.structured .aa-row {
  display: flex;
  gap: 0.9rem;
  padding: 0.4rem 0;
  border-bottom: 1px solid rgba(0, 217, 255, 0.1);
  color: #f8fafc;
}

.aa-visual.structured .aa-row span:first-child {
  color: #38bdf8;
  font-weight: 700;
  min-width: 60px;
}

.aa-visual.unstructured p {
  font-family: var(--font-main);
  font-size: 0.98rem;
  line-height: 1.65;
  color: #ffffff;
  font-style: normal;
  font-weight: 500;
}

.aa-arrow {
  display: flex;
  align-items: center;
  font-size: 2.2rem;
  font-weight: 800;
  color: #67e8f9;
  text-shadow: 0 0 14px rgba(0, 217, 255, 0.4);
}

.aa-capabilities {
  display: flex;
  gap: 0.6rem;
  margin-top: 1.25rem;
  flex-wrap: wrap;
}

.aa-capabilities span {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  padding: 0.3rem 0.85rem;
  border-radius: 100px;
  background: rgba(0, 217, 255, 0.2);
  color: #38bdf8;
  border: 1px solid rgba(0, 217, 255, 0.45);
  box-shadow: 0 0 12px rgba(0, 217, 255, 0.2);
}

/* ===== STATS VISUAL (Slide 30) ===== */
.stats-visual {
  text-align: center;
}

.stat-bar-container {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  max-width: 640px;
  margin: 0 auto 2.2rem;
}

.stat-bar {
  height: 48px;
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 12px;
  overflow: hidden;
  position: relative;
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.5);
}

.stat-fill {
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--cy), var(--teal));
  border-radius: 12px;
  box-shadow: 0 0 25px rgba(0, 217, 255, 0.45);
  transition: width 1.5s cubic-bezier(0.22, 1, 0.36, 1);
}

.slide.active .stat-fill {
  width: calc(var(--percent) * 1%);
}

.stat-label {
  position: absolute;
  right: 1.25rem;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 1.3rem;
  font-weight: 800;
  color: #ffffff;
  text-shadow: 0 0 10px rgba(0, 0, 0, 0.8);
}

.stat-note {
  font-size: 1.05rem;
  color: #f8fafc;
  max-width: 550px;
  margin: 0 auto 1.25rem;
  line-height: 1.65;
  font-weight: 500;
}

.stat-source {
  font-size: 0.85rem;
  color: #67e8f9;
  font-weight: 600;
}

/* ===== START STEPS (Slide 31) ===== */
.start-steps {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.ss-item {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  background: linear-gradient(135deg, rgba(20, 32, 60, 0.65) 0%, rgba(8, 14, 28, 0.82) 100%);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid rgba(0, 255, 200, 0.35);
  box-shadow: inset 0 1px 2px rgba(255, 255, 255, 0.2), 0 14px 35px rgba(0, 0, 0, 0.6);
  border-radius: 16px;
  padding: 1.35rem 1.75rem;
  transition: all 0.3s cubic-bezier(0.2, 0.9, 0.3, 1);
  animation: fadeInUp 0.5s var(--delay) both;
}

.ss-item:hover {
  border-color: rgba(0, 255, 200, 0.85);
  transform: translateX(6px) scale(1.01);
  box-shadow: inset 0 1px 2px rgba(255, 255, 255, 0.28), 0 18px 40px rgba(0, 0, 0, 0.7), 0 0 25px rgba(0, 255, 200, 0.25);
}

.ss-num {
  font-family: var(--font-mono);
  font-size: 1.35rem;
  font-weight: 800;
  color: #00ffc8;
  background: rgba(0, 255, 200, 0.16);
  border: 1px solid rgba(0, 255, 200, 0.45);
  border-radius: 12px;
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  box-shadow: 0 0 14px rgba(0, 255, 200, 0.25);
  flex-shrink: 0;
}

.ss-item p {
  font-size: 1.05rem;
  color: #f8fafc;
  line-height: 1.6;
  font-weight: 500;
}

.ss-item strong {
  color: #ffffff;
  font-weight: 700;
}

/* ===== SUMMARY LIST (Slide 32) ===== */
.summary-list {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  margin-bottom: 2rem;
}

.sum-item {
  display: flex;
  align-items: center;
  gap: 1.35rem;
  background: linear-gradient(135deg, rgba(20, 32, 60, 0.65) 0%, rgba(8, 14, 28, 0.82) 100%);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 16px;
  padding: 1.25rem 1.65rem;
  transition: all 0.3s cubic-bezier(0.2, 0.9, 0.3, 1);
  animation: fadeInUp 0.5s var(--delay) both;
}

.sum-item:hover {
  border-color: var(--cyan);
  transform: translateX(6px) scale(1.01);
  box-shadow: inset 0 1px 2px rgba(255, 255, 255, 0.25), 0 16px 35px rgba(0, 0, 0, 0.65), 0 0 25px rgba(0, 217, 255, 0.25);
}

.sum-num {
  font-family: var(--font-mono);
  font-size: 1.25rem;
  font-weight: 800;
  min-width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: 10px;
  flex-shrink: 0;
}

.sum-item:nth-child(1) .sum-num { color: #ff8cb4; border: 1px solid rgba(255, 107, 157, 0.45); background: rgba(255, 107, 157, 0.16); box-shadow: 0 0 10px rgba(255, 107, 157, 0.2); }
.sum-item:nth-child(2) .sum-num { color: #38bdf8; border: 1px solid rgba(0, 217, 255, 0.45); background: rgba(0, 217, 255, 0.16); box-shadow: 0 0 10px rgba(0, 217, 255, 0.2); }
.sum-item:nth-child(3) .sum-num { color: #fde047; border: 1px solid rgba(251, 191, 36, 0.45); background: rgba(251, 191, 36, 0.16); box-shadow: 0 0 10px rgba(251, 191, 36, 0.2); }
.sum-item:nth-child(4) .sum-num { color: #c084fc; border: 1px solid rgba(139, 92, 246, 0.45); background: rgba(139, 92, 246, 0.16); box-shadow: 0 0 10px rgba(139, 92, 246, 0.2); }
.sum-item:nth-child(5) .sum-num { color: #4ade80; border: 1px solid rgba(34, 197, 94, 0.45); background: rgba(34, 197, 94, 0.16); box-shadow: 0 0 10px rgba(34, 197, 94, 0.2); }

.sum-item p {
  font-size: 1.05rem;
  color: #f8fafc;
  line-height: 1.6;
  font-weight: 500;
}

.sum-item strong {
  color: #ffffff;
  font-weight: 700;
}

/* ===== FINAL CHAIN ===== */
.final-chain {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  padding-top: 1.5rem;
}

.fc-node {
  background: linear-gradient(135deg, rgba(0, 217, 255, 0.14) 0%, rgba(139, 92, 246, 0.14) 100%);
  border: 1px solid rgba(0, 217, 255, 0.45);
  box-shadow: inset 0 1px 2px rgba(255, 255, 255, 0.2), 0 0 20px rgba(0, 217, 255, 0.2);
  padding: 0.8rem 1.6rem;
  border-radius: 12px;
  font-size: 1.05rem;
  font-weight: 700;
  color: #ffffff;
  transition: all 0.3s;
}

.fc-node:hover {
  border-color: var(--cyan);
  transform: translateY(-3px) scale(1.03);
  box-shadow: 0 0 30px rgba(0, 217, 255, 0.35);
}

.fc-arrow {
  color: #67e8f9;
  font-size: 1.4rem;
  font-weight: 800;
  animation: arrow-right 1.5s ease-in-out infinite;
  text-shadow: 0 0 10px rgba(0, 217, 255, 0.4);
}

.fc-node:hover {
  border-color: var(--cyan);
  box-shadow: 0 4px 16px rgba(0, 212, 255, 0.1);
}

.fc-arrow {
  color: var(--cyan);
  font-size: 1.2rem;
  animation: arrow-right 1.5s ease-in-out infinite;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .segment-indicator {
    display: none;
  }

  .slide {
    padding: 1.5rem;
    padding-bottom: 6rem;
  }

  .tda-chain {
    flex-direction: column;
  }

  .tda-connector {
    width: 2px;
    height: 40px;
    flex-direction: column;
  }

  .connector-line {
    width: 2px;
    height: 100%;
  }

  .connector-pulse {
    animation: flow-pulse-v 2s ease-in-out infinite;
  }

  @keyframes flow-pulse-v {
    0% { top: 0; opacity: 0; }
    20% { opacity: 1; }
    80% { opacity: 1; }
    100% { top: calc(100% - 8px); opacity: 0; }
  }

  .condition-loop-grid,
  .other-tools,
  .ww-examples,
  .tool-cards,
  .mcp-provides {
    grid-template-columns: 1fr;
  }

  .wh-compare,
  .wva-compare,
  .mcp-problem,
  .before-after,
  .error-compare,
  .ai-added,
  .together-flow,
  .metaphor-scene {
    flex-direction: column;
  }

  .wh-vs, .wva-vs, .ec-vs, .ba-arrow, .aa-arrow, .mcp-arrow-big {
    justify-content: center;
  }

  .md-row {
    flex-direction: column;
  }

  .md-vs {
    justify-content: center;
    font-size: 1.5rem;
  }

  .flow-actions-split {
    grid-template-columns: 1fr;
  }

  .http-methods {
    grid-template-columns: repeat(2, 1fr);
  }

  .data-packet {
    right: auto;
    left: calc(50% + 1rem);
  }

  .tool-visual {
    flex-direction: column;
  }

  .mt-timeline {
    flex-direction: column;
  }

  .mt-line {
    width: 2px;
    height: 30px;
    min-width: 2px;
  }

  .tf-connector {
    width: 2px;
    height: 30px;
    flex-direction: column;
  }

  .tf-line {
    width: 2px;
    height: 100%;
  }

  .final-chain {
    flex-wrap: wrap;
  }

  .keyboard-hint {
    display: none;
  }
}

/* ===== SLIDE ENTER ANIMATIONS ===== */
.slide.active .task-card,
.slide.active .use-case-card,
.slide.active .cq-item,
.slide.active .pattern-item,
.slide.active .sp-item,
.slide.active .ss-item,
.slide.active .sum-item,
.slide.active .mp-card {
  animation-play-state: running;
}

.slide:not(.active) .task-card,
.slide:not(.active) .use-case-card,
.slide:not(.active) .cq-item,
.slide:not(.active) .pattern-item,
.slide:not(.active) .sp-item,
.slide:not(.active) .ss-item,
.slide:not(.active) .sum-item,
.slide:not(.active) .mp-card {
  animation: none;
}

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar {
  width: 4px;
}

::-webkit-scrollbar-track {
  background: var(--bp-bg);
}

::-webkit-scrollbar-thumb {
  background: var(--bp-line);
  border-radius: 2px;
}

/* ===== SELECTION ===== */
::selection {
  background: rgba(0, 212, 255, 0.3);
  color: var(--text-bright);
}

/* ===== MODAL BACKDROP & WINDOWS ===== */
.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(4, 12, 24, 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.modal-backdrop.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-window {
  background: rgba(10, 24, 46, 0.95);
  border: 1px solid var(--surface-border);
  box-shadow: 0 25px 70px rgba(0, 0, 0, 0.7), 0 0 50px rgba(0, 212, 255, 0.15);
  border-radius: 18px;
  display: flex;
  flex-direction: column;
  max-height: 85vh;
  transform: translateY(20px) scale(0.97);
  transition: transform 0.3s cubic-bezier(0.2, 0.9, 0.3, 1);
  overflow: hidden;
}

.modal-backdrop.active .modal-window {
  transform: translateY(0) scale(1);
}

.overview-window {
  width: 95%;
  max-width: 1200px;
}

.help-window {
  width: 90%;
  max-width: 540px;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.75rem;
  border-bottom: 1px solid var(--surface-border);
  background: rgba(0, 180, 255, 0.03);
}

.modal-title {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-bright);
}

.modal-title svg {
  color: var(--cyan);
}

.modal-title .badge {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 0.2rem 0.6rem;
  border-radius: 100px;
  background: var(--cyan-dim);
  color: var(--cyan);
  border: 1px solid rgba(0, 212, 255, 0.25);
}

.modal-close-btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--surface-border);
  color: var(--text-dim);
  width: 34px;
  height: 34px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  transition: all 0.2s;
}

.modal-close-btn:hover {
  background: rgba(255, 75, 75, 0.2);
  color: #ff6b6b;
  border-color: rgba(255, 75, 75, 0.4);
}

/* ===== OVERVIEW GRID ===== */
.overview-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1rem;
  padding: 1.5rem;
  overflow-y: auto;
  max-height: calc(85vh - 75px);
}

.overview-card {
  background: rgba(14, 30, 56, 0.65);
  border: 1px solid rgba(0, 180, 255, 0.15);
  border-radius: 12px;
  padding: 1rem 1.15rem;
  cursor: pointer;
  transition: all 0.22s ease;
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.overview-card:hover {
  transform: translateY(-3px);
  border-color: var(--cyan);
  background: rgba(0, 212, 255, 0.08);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4), 0 0 20px rgba(0, 212, 255, 0.2);
}

.overview-card.active-slide {
  border-color: var(--cyan);
  background: rgba(0, 212, 255, 0.14);
  box-shadow: 0 0 25px rgba(0, 212, 255, 0.35);
}

.overview-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.overview-num {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--cyan);
  background: rgba(0, 212, 255, 0.12);
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
}

.overview-seg {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.overview-title-text {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text-bright);
  line-height: 1.35;
}

/* ===== SHORTCUTS LIST ===== */
.shortcuts-list {
  padding: 1.5rem 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}

.shortcut-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid rgba(0, 180, 255, 0.08);
  font-size: 0.92rem;
  color: var(--text-dim);
}

.shortcut-row:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.shortcut-row .keys {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.shortcut-row kbd {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--cyan);
  background: rgba(0, 212, 255, 0.1);
  border: 1px solid rgba(0, 212, 255, 0.3);
  box-shadow: 0 2px 0 rgba(0, 0, 0, 0.5);
  border-radius: 5px;
  padding: 0.2rem 0.55rem;
}

@media (max-width: 900px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
    text-align: center;
  }
  .hero-eyebrow {
    margin: 0 auto 1.5rem;
  }
  .hero-sub {
    margin: 0 auto 1.5rem;
  }
  .hero-roles, .hero-ctas {
    justify-content: center;
  }
  .hero-portrait {
    width: min(280px, 75vw);
  }
  .hero-portrait .badge.b1 { left: -4%; }
  .hero-portrait .badge.b2 { right: -4%; }
}

@media (max-width: 768px) {
  .slide-nav {
    bottom: 1rem;
    padding: 0.4rem 0.9rem;
    gap: 0.5rem;
  }
  .nav-btn {
    padding: 0.3rem;
  }
  .overview-grid {
    grid-template-columns: 1fr;
    padding: 1rem;
  }
  .modal-window {
    width: 95%;
  }
}