/* ========================================
   CORA Pitch Deck — Premium Government Style
   Deep Navy + Gold + Glassmorphism
   ======================================== */

/* Reset & Base */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --bg-primary: #0A1628;
  --bg-secondary: #0E1D33;
  --bg-card: rgba(14, 29, 51, 0.6);
  --gold: #D4A853;
  --gold-light: #E8C97A;
  --gold-dark: #B08A3A;
  --accent-green: #00D4AA;
  --accent-blue: #4A9FFF;
  --text-primary: #F8F9FA;
  --text-secondary: #8B9FC0;
  --text-muted: #4A5F82;
  --glass-bg: rgba(255, 255, 255, 0.04);
  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-bg-hover: rgba(255, 255, 255, 0.07);
}

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

body {
  font-family: 'Inter', 'Noto Sans TC', -apple-system, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  overflow: hidden;
  height: 100vh;
  width: 100vw;
}

/* ========== NAVIGATION ========== */
#nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 56px;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2rem;
  background: rgba(10, 22, 40, 0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--glass-border);
}

.nav-left {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.nav-logo {
  font-family: 'Outfit', sans-serif;
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--gold);
  letter-spacing: 2px;
}

.nav-divider {
  width: 1px;
  height: 20px;
  background: var(--glass-border);
}

.nav-page {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 500;
  letter-spacing: 1px;
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.nav-btn {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  border: 1px solid var(--glass-border);
  background: var(--glass-bg);
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 1rem;
  display: grid;
  place-items: center;
  transition: all 0.2s;
}

.nav-btn:hover {
  background: var(--glass-bg-hover);
  color: var(--gold);
  border-color: var(--gold);
}

.nav-progress {
  width: 200px;
  height: 3px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 2px;
  overflow: hidden;
}

.nav-progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--gold), var(--gold-light));
  border-radius: 2px;
  transition: width 0.4s ease;
  width: 6.25%;
}

/* ========== PARTICLE CANVAS ========== */
#particles {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
  opacity: 0.4;
}

/* ========== SLIDES ========== */
.slide {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
  pointer-events: none;
  padding: 56px 0 0 0;
  z-index: 1;
}

.slide.active {
  opacity: 1;
  transform: translateY(0);
  pointer-events: all;
  z-index: 10;
}

.slide-content {
  width: 100%;
  max-width: 1100px;
  padding: 2rem 3rem;
  position: relative;
  z-index: 2;
}

/* ========== SLIDE TYPOGRAPHY ========== */
.slide-label {
  font-family: 'Outfit', sans-serif;
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--gold);
  letter-spacing: 4px;
  text-transform: uppercase;
  margin-bottom: 0.8rem;
}

.slide-title {
  font-family: 'Outfit', 'Noto Sans TC', sans-serif;
  font-size: 2.8rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 0.5rem;
  background: linear-gradient(135deg, var(--text-primary), var(--text-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.title-sub {
  font-size: 1.8rem;
  font-weight: 500;
  background: linear-gradient(135deg, var(--gold), var(--gold-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.slide-subtitle {
  font-size: 1.05rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  font-weight: 400;
}

/* ========== COVER SLIDE ========== */
.cover-slide {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.cover-badge {
  display: inline-block;
  padding: 6px 20px;
  border-radius: 20px;
  background: rgba(212, 168, 83, 0.1);
  border: 1px solid rgba(212, 168, 83, 0.3);
  color: var(--gold);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-bottom: 2rem;
}

.cover-logo-area {
  margin-bottom: 1.5rem;
}

.cover-logo-ring {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  border: 2px solid var(--gold);
  display: grid;
  place-items: center;
  animation: pulse-ring 3s ease-in-out infinite;
  box-shadow: 0 0 40px rgba(212, 168, 83, 0.15);
}

.cover-logo-inner {
  font-family: 'Outfit', sans-serif;
  font-size: 2.5rem;
  font-weight: 900;
  color: var(--gold);
}

@keyframes pulse-ring {

  0%,
  100% {
    box-shadow: 0 0 20px rgba(212, 168, 83, 0.15);
  }

  50% {
    box-shadow: 0 0 50px rgba(212, 168, 83, 0.25);
  }
}

.cover-title {
  margin-bottom: 0.3rem;
}

.cover-title .title-line {
  font-family: 'Outfit', sans-serif;
  font-size: 5rem;
  font-weight: 900;
  letter-spacing: 12px;
  background: linear-gradient(135deg, var(--gold), var(--gold-light), var(--gold));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.cover-subtitle {
  font-family: 'Inter', sans-serif;
  font-size: 1rem;
  color: var(--text-muted);
  letter-spacing: 2px;
  margin-bottom: 2rem;
}

.cover-tagline {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

.tagline-line {
  flex: 0 0 60px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold));
}

.tagline-line:last-child {
  background: linear-gradient(90deg, var(--gold), transparent);
}

.tagline-text {
  font-family: 'Noto Sans TC', sans-serif;
  font-size: 1.3rem;
  color: var(--text-primary);
  font-weight: 500;
}

.cover-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* ========== PAIN POINT CARDS ========== */
.pain-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.2rem;
  margin-bottom: 2rem;
}

.pain-card {
  padding: 1.5rem;
  border-radius: 16px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(10px);
  transition: all 0.3s;
}

.pain-card:hover {
  border-color: rgba(255, 100, 100, 0.3);
  background: var(--glass-bg-hover);
}

.pain-icon {
  font-size: 2rem;
  margin-bottom: 0.8rem;
}

.pain-card h3 {
  font-family: 'Noto Sans TC', sans-serif;
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.pain-card p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* ========== STAT BANNER ========== */
.stat-banner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2.5rem;
  padding: 1.2rem 2rem;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(212, 168, 83, 0.06), rgba(212, 168, 83, 0.02));
  border: 1px solid rgba(212, 168, 83, 0.15);
}

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

.stat-number {
  font-family: 'Outfit', sans-serif;
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--gold);
  display: block;
}

.stat-label {
  font-size: 0.7rem;
  color: var(--text-muted);
  letter-spacing: 1px;
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: rgba(212, 168, 83, 0.2);
}

/* ========== VISION CARDS ========== */
.vision-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.2rem;
  margin-top: 1.5rem;
}

.vision-card {
  padding: 2rem 1.5rem;
  text-align: center;
  border-radius: 16px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(10px);
  transition: all 0.3s;
}

.vision-card:hover {
  border-color: rgba(0, 212, 170, 0.3);
  transform: translateY(-4px);
}

.vision-number {
  font-family: 'Outfit', sans-serif;
  font-size: 3rem;
  font-weight: 900;
  color: var(--accent-green);
  line-height: 1;
}

.vision-unit {
  font-size: 1.2rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.vision-card h3 {
  font-family: 'Noto Sans TC', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  margin: 0.8rem 0 0.3rem;
}

.vision-card p {
  font-size: 0.8rem;
  color: var(--text-secondary);
  line-height: 1.4;
}

/* ========== PLATFORM / ARCH ========== */
.platform-quote {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--text-secondary);
  padding: 1.2rem 1.5rem;
  border-radius: 12px;
  margin-bottom: 2rem;
  background: var(--glass-bg);
  border-left: 3px solid var(--gold);
}

.platform-quote strong {
  color: var(--gold);
}

.arch-diagram {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
}

.arch-layer {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  padding: 1.2rem 2.5rem;
  border-radius: 14px;
  width: 460px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  transition: all 0.3s;
}

.arch-layer:hover {
  border-color: var(--gold);
}

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

.arch-info h4 {
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--gold);
}

.arch-info p {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.arch-connector {
  display: flex;
  flex-direction: column;
  align-items: center;
  height: 30px;
}

.arch-connector-line {
  width: 1px;
  flex: 1;
  background: rgba(212, 168, 83, 0.3);
}

.arch-connector-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gold);
}

/* ========== TECH FEATURES ========== */
.tech-features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.2rem;
  margin-bottom: 1.5rem;
}

.tech-card {
  padding: 1.5rem;
  border-radius: 14px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  transition: all 0.3s;
}

.tech-card:hover {
  border-color: rgba(0, 212, 170, 0.3);
}

.tech-card-header {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 0.6rem;
}

.tech-badge {
  font-size: 1.4rem;
}

.tech-card h3 {
  font-family: 'Noto Sans TC', sans-serif;
  font-size: 0.95rem;
  font-weight: 700;
}

.tech-card p {
  font-size: 0.8rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.tech-example {
  font-size: 0.75rem;
  color: var(--gold);
  font-style: italic;
}

/* ========== HIGHLIGHT STAT ========== */
.highlight-stat {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  padding: 1rem 2rem;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(212, 168, 83, 0.08), rgba(212, 168, 83, 0.02));
  border: 1px solid rgba(212, 168, 83, 0.15);
}

.highlight-label {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.highlight-comparison {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.highlight-before {
  font-family: 'Outfit';
  font-size: 1.5rem;
  font-weight: 700;
  color: #FF6B6B;
  text-decoration: line-through;
}

.highlight-arrow {
  font-size: 1.5rem;
  color: var(--gold);
}

.highlight-after {
  font-family: 'Outfit';
  font-size: 2rem;
  font-weight: 900;
  color: var(--accent-green);
}

/* ========== STAR GRID ARCHITECTURE (Slide 6) ========== */
.star-grid-layout {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  margin: 1rem 0;
}

.star-grid-top,
.star-grid-middle,
.star-grid-bottom {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.2rem;
}

.star-center-hub {
  width: 130px;
  height: 130px;
  border-radius: 50%;
  flex-shrink: 0;
  background: linear-gradient(135deg, rgba(212, 168, 83, 0.15), rgba(212, 168, 83, 0.05));
  border: 2px solid var(--gold);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 50px rgba(212, 168, 83, 0.1);
}

.star-center-hub h4 {
  font-family: 'Outfit';
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--gold);
}

.star-center-hub p {
  font-size: 0.65rem;
  color: var(--text-muted);
  text-align: center;
}

.star-node-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 0.8rem 1.2rem;
  border-radius: 12px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  min-width: 120px;
  backdrop-filter: blur(10px);
  transition: all 0.3s;
}

.star-node-card:hover {
  border-color: rgba(212, 168, 83, 0.3);
  transform: translateY(-3px);
}

.star-node-emoji {
  font-size: 1.5rem;
  margin-bottom: 0.3rem;
}

.star-node-title {
  font-family: 'Noto Sans TC';
  font-size: 0.85rem;
  font-weight: 700;
}

.star-node-skill {
  font-size: 0.6rem;
  color: var(--text-muted);
  margin-top: 0.2rem;
}

/* ========== GUARD GRID (Slide 7) ========== */
.guard-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.2rem;
  margin-bottom: 1.5rem;
}

.guard-card {
  padding: 1.5rem;
  border-radius: 14px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
}

.guard-icon {
  font-size: 2rem;
  margin-bottom: 0.8rem;
}

.guard-card h3 {
  font-family: 'Noto Sans TC';
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.6rem;
}

.guard-card ul {
  list-style: none;
}

.guard-card li {
  font-size: 0.8rem;
  color: var(--text-secondary);
  line-height: 1.8;
  padding-left: 1rem;
  position: relative;
}

.guard-card li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--accent-green);
  font-size: 0.7rem;
}

/* ========== USE CASE TABLE (Slide 8) ========== */
.usecase-table {
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid var(--glass-border);
}

.usecase-row {
  display: grid;
  grid-template-columns: 140px 1fr 1fr;
}

.usecase-header {
  background: rgba(212, 168, 83, 0.1);
}

.usecase-header div {
  font-family: 'Noto Sans TC';
  font-weight: 700;
  font-size: 0.85rem;
  padding: 0.8rem 1rem;
  color: var(--gold);
}

.usecase-row:not(.usecase-header) {
  border-top: 1px solid var(--glass-border);
}

.usecase-row:not(.usecase-header):hover {
  background: var(--glass-bg-hover);
}

.usecase-col-scene {
  padding: 0.8rem 1rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
}

.usecase-col-before {
  padding: 0.8rem 1rem;
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.4;
  display: flex;
  align-items: center;
  border-left: 1px solid var(--glass-border);
}

.usecase-col-after {
  padding: 0.8rem 1rem;
  font-size: 0.8rem;
  color: var(--text-secondary);
  line-height: 1.4;
  display: flex;
  align-items: center;
  border-left: 1px solid var(--glass-border);
}

.gold {
  color: var(--gold) !important;
}

/* ========== ROI GRID (Slide 9) ========== */
.roi-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.roi-card {
  text-align: center;
  padding: 2rem 1.5rem;
  border-radius: 16px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  transition: all 0.3s;
}

.roi-card:hover {
  border-color: rgba(212, 168, 83, 0.3);
  transform: translateY(-4px);
}

.roi-number {
  font-family: 'Outfit';
  font-size: 3.5rem;
  font-weight: 900;
  color: var(--gold);
  line-height: 1;
}

.roi-unit {
  font-size: 1.8rem;
  font-weight: 500;
}

.roi-card h3 {
  font-family: 'Noto Sans TC';
  font-size: 1rem;
  font-weight: 700;
  margin: 0.6rem 0 0.3rem;
}

.roi-card p {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.roi-bottom {
  text-align: center;
  padding: 1.2rem;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(212, 168, 83, 0.1), rgba(212, 168, 83, 0.03));
  border: 1px solid rgba(212, 168, 83, 0.2);
}

.roi-bottom-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  display: block;
  margin-bottom: 0.3rem;
}

.roi-bottom-value {
  font-family: 'Outfit';
  font-size: 3rem;
  font-weight: 900;
  color: var(--gold);
}

/* ========== MOAT FEATURES (Slide 10) ========== */
.moat-features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.2rem;
  margin-bottom: 1.5rem;
}

.moat-card {
  padding: 1.5rem;
  border-radius: 14px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  transition: all 0.3s;
}

.moat-card:hover {
  border-color: rgba(0, 212, 170, 0.3);
}

.moat-icon {
  font-size: 2rem;
  margin-bottom: 0.6rem;
}

.moat-card h3 {
  font-family: 'Outfit';
  font-size: 1rem;
  font-weight: 700;
  color: var(--gold);
  margin-bottom: 0.5rem;
}

.moat-card p {
  font-size: 0.8rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.moat-stat {
  margin-top: 0.8rem;
  font-size: 0.75rem;
  color: var(--accent-green);
  font-weight: 600;
  padding: 4px 10px;
  background: rgba(0, 212, 170, 0.08);
  border-radius: 6px;
  display: inline-block;
}

.moat-quote {
  text-align: center;
  font-size: 0.95rem;
  color: var(--text-secondary);
  font-style: italic;
  padding: 1rem;
  border-top: 1px solid var(--glass-border);
}

/* ========== ITERATION (Slide 11) ========== */
.iter-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.iter-card {
  padding: 1.3rem;
  border-radius: 14px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  transition: all 0.3s;
}

.iter-card:hover {
  border-color: rgba(212, 168, 83, 0.3);
}

.iter-icon {
  font-size: 1.8rem;
  margin-bottom: 0.5rem;
}

.iter-card h3 {
  font-family: 'Outfit';
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 0.3rem;
}

.iter-card p {
  font-size: 0.78rem;
  color: var(--text-secondary);
}

.iter-compare {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  margin-top: 0.8rem;
}

.iter-us {
  font-size: 0.8rem;
  color: var(--accent-green);
  text-align: center;
  padding: 0.5rem;
  background: rgba(0, 212, 170, 0.06);
  border-radius: 8px;
  flex: 1;
}

.iter-vs {
  font-size: 0.7rem;
  color: var(--text-muted);
  font-weight: 600;
}

.iter-them {
  font-size: 0.8rem;
  color: #FF6B6B;
  text-align: center;
  padding: 0.5rem;
  background: rgba(255, 100, 100, 0.06);
  border-radius: 8px;
  flex: 1;
}

/* ========== SECURITY LAYERS (Slide 12) ========== */
.security-layers {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  margin-bottom: 1.5rem;
}

.sec-layer {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  padding: 1rem 1.5rem;
  border-radius: 12px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  transition: all 0.3s;
}

.sec-layer:hover {
  border-color: rgba(212, 168, 83, 0.3);
  background: var(--glass-bg-hover);
}

.sec-num {
  font-family: 'Outfit';
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--gold);
  min-width: 50px;
}

.sec-layer h3 {
  font-family: 'Noto Sans TC';
  font-size: 0.95rem;
  font-weight: 700;
  min-width: 90px;
}

.sec-layer p {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.compliance-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  justify-content: center;
}

.comp-badge {
  padding: 0.4rem 1rem;
  border-radius: 8px;
  font-size: 0.75rem;
  font-weight: 600;
  background: rgba(212, 168, 83, 0.06);
  border: 1px solid rgba(212, 168, 83, 0.15);
  color: var(--gold);
}

/* ========== DEPLOY OPTIONS (Slide 13) ========== */
.deploy-options {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.2rem;
  margin-bottom: 1.5rem;
}

.deploy-card {
  padding: 2rem 1.5rem;
  text-align: center;
  border-radius: 16px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  transition: all 0.3s;
}

.deploy-card:hover {
  border-color: rgba(212, 168, 83, 0.3);
}

.deploy-card.featured {
  border-color: var(--gold);
  background: rgba(212, 168, 83, 0.05);
}

.deploy-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.deploy-card h3 {
  font-family: 'Noto Sans TC';
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.deploy-card p {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-bottom: 0.3rem;
}

.deploy-highlight {
  font-size: 0.75rem;
  color: var(--accent-green);
  font-weight: 600;
  margin-top: 0.5rem;
}

.deploy-features {
  display: flex;
  justify-content: center;
  gap: 2rem;
}

.deploy-features span {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* ========== PROOF GRID (Slide 14) ========== */
.proof-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.2rem;
  margin-bottom: 2rem;
}

.proof-card {
  text-align: center;
  padding: 2rem 1.5rem;
  border-radius: 16px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  transition: all 0.3s;
}

.proof-card:hover {
  transform: translateY(-4px);
  border-color: rgba(212, 168, 83, 0.3);
}

.proof-icon {
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
}

.proof-number {
  font-family: 'Outfit';
  font-size: 3rem;
  font-weight: 900;
  color: var(--gold);
}

.proof-card p {
  font-size: 0.8rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-top: 0.3rem;
}

.poc-banner {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 1.5rem 2rem;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(212, 168, 83, 0.08), rgba(212, 168, 83, 0.02));
  border: 1px solid rgba(212, 168, 83, 0.2);
}

.poc-icon {
  font-size: 2.5rem;
}

.poc-text h3 {
  font-family: 'Noto Sans TC';
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--gold);
  margin-bottom: 0.3rem;
}

.poc-text p {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* ========== PHASE TIMELINE (Slide 15) ========== */
.phase-timeline {
  display: flex;
  align-items: stretch;
  gap: 0;
  justify-content: center;
  margin-top: 2rem;
}

.phase-card {
  flex: 1;
  max-width: 280px;
  padding: 1.8rem 1.5rem;
  border-radius: 14px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  transition: all 0.3s;
}

.phase-card:hover {
  border-color: rgba(212, 168, 83, 0.3);
}

.phase-header {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 0.6rem;
}

.phase-tag {
  padding: 3px 10px;
  border-radius: 6px;
  font-size: 0.65rem;
  font-weight: 700;
  background: rgba(74, 159, 255, 0.1);
  border: 1px solid rgba(74, 159, 255, 0.2);
  color: var(--accent-blue);
}

.phase-tag.free {
  background: rgba(0, 212, 170, 0.1);
  border-color: rgba(0, 212, 170, 0.2);
  color: var(--accent-green);
}

.phase-card h3 {
  font-family: 'Noto Sans TC';
  font-size: 1rem;
  font-weight: 700;
}

.phase-duration {
  font-family: 'Outfit';
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--gold);
  margin-bottom: 0.8rem;
}

.phase-card ul {
  list-style: none;
}

.phase-card li {
  font-size: 0.8rem;
  color: var(--text-secondary);
  line-height: 1.8;
  padding-left: 1rem;
  position: relative;
}

.phase-card li::before {
  content: '•';
  position: absolute;
  left: 0;
  color: var(--gold);
}

.phase-arrow {
  display: flex;
  align-items: center;
  padding: 0 1rem;
  font-size: 1.5rem;
  color: var(--gold);
  font-weight: 300;
}

/* ========== CTA (Slide 16) ========== */
.cta-title {
  font-family: 'Outfit', 'Noto Sans TC';
  font-size: 3.2rem;
  font-weight: 900;
  line-height: 1.2;
  margin-bottom: 0.8rem;
}

.cta-subtitle {
  font-size: 1.2rem;
  color: var(--text-secondary);
  margin-bottom: 3rem;
}

.cta-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 3rem;
  margin-bottom: 3rem;
}

.cta-box {
  text-align: center;
  padding: 1.5rem 2rem;
  border-radius: 14px;
  background: var(--glass-bg);
  border: 1px solid var(--gold);
}

.cta-box h4 {
  font-family: 'Noto Sans TC';
  font-size: 0.9rem;
  color: var(--gold);
  margin-bottom: 0.8rem;
}

.cta-qr {
  width: 100px;
  height: 100px;
  border-radius: 8px;
  background: white;
  color: #333;
  display: grid;
  place-items: center;
  font-family: 'Outfit';
  font-weight: 800;
  font-size: 1.5rem;
  margin: 0 auto;
}

.cta-contact p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 2;
  text-align: left;
}

.cta-footer {
  margin-top: 2rem;
}

/* ========== LANGUAGE TOGGLE ========== */
.lang-toggle {
  display: flex;
  align-items: center;
  gap: 2px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 8px;
  padding: 2px;
  border: 1px solid var(--glass-border);
  margin-right: 0.8rem;
}

.lang-btn {
  padding: 4px 10px;
  border: none;
  background: transparent;
  color: var(--text-muted);
  font-size: 0.7rem;
  font-weight: 600;
  cursor: pointer;
  border-radius: 6px;
  transition: all 0.3s;
  white-space: nowrap;
  font-family: 'Noto Sans TC', 'Noto Sans SC', 'Noto Sans JP', sans-serif;
}

.lang-btn:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.05);
}

.lang-btn.active {
  background: var(--gold);
  color: var(--bg-primary);
  font-weight: 700;
}

/* ========== RESPONSIVE (Tablet: ≤ 900px) ========== */
@media (max-width: 900px) {
  .slide-content {
    padding: 1.5rem;
    max-width: 100%;
    overflow-y: auto;
    max-height: calc(100vh - 60px);
    -webkit-overflow-scrolling: touch;
  }

  .slide-title {
    font-size: 1.8rem;
  }

  .slide-subtitle {
    font-size: 0.9rem;
  }

  .pain-grid,
  .vision-grid,
  .tech-features,
  .guard-grid,
  .roi-grid,
  .moat-features,
  .deploy-options,
  .proof-grid {
    grid-template-columns: 1fr;
    gap: 0.8rem;
  }

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

  .usecase-row {
    grid-template-columns: 100px 1fr 1fr;
  }

  .phase-timeline {
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
  }

  .phase-card {
    max-width: 100%;
    width: 100%;
  }

  .phase-arrow {
    transform: rotate(90deg);
    padding: 0.3rem;
  }

  .star-grid-layout {
    gap: 0.5rem;
  }

  .star-center-hub {
    width: 100px;
    height: 100px;
  }

  .star-node-card {
    min-width: 90px;
    padding: 0.5rem 0.8rem;
  }

  .cta-title {
    font-size: 2.2rem;
  }

  .cta-actions {
    flex-direction: column;
    gap: 1.5rem;
  }

  .poc-banner {
    flex-direction: column;
    text-align: center;
    gap: 0.8rem;
  }

  .cover-title .title-line {
    font-size: 3.5rem;
  }

  .deploy-features {
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
  }
}

/* ========== RESPONSIVE (Mobile: ≤ 600px) ========== */
@media (max-width: 600px) {
  #nav {
    padding: 0 0.8rem;
    height: 50px;
  }

  .nav-logo {
    font-size: 0.9rem;
  }

  .nav-page {
    font-size: 0.65rem;
  }

  .nav-btn {
    min-width: 28px;
    height: 28px;
    font-size: 0.75rem;
  }

  .nav-progress {
    width: 60px;
  }

  .lang-toggle {
    margin-right: 0.4rem;
  }

  .lang-btn {
    padding: 3px 6px;
    font-size: 0.58rem;
  }

  .slide {
    padding-top: 50px;
  }

  .slide-content {
    padding: 1rem;
    max-height: calc(100vh - 50px);
  }

  .slide-label {
    font-size: 0.55rem;
    letter-spacing: 2px;
  }

  .slide-title {
    font-size: 1.4rem;
    margin-bottom: 0.6rem;
  }

  .slide-subtitle {
    font-size: 0.78rem;
    margin-bottom: 1rem;
  }

  .title-sub {
    font-size: 0.8rem;
  }

  /* Cover slide mobile */
  .cover-badge {
    font-size: 0.55rem;
    padding: 4px 14px;
  }

  .cover-logo-ring {
    width: 70px;
    height: 70px;
  }

  .cover-logo-inner {
    font-size: 1.8rem;
  }

  .cover-title .title-line {
    font-size: 2.5rem;
    letter-spacing: 6px;
  }

  .cover-subtitle {
    font-size: 0.7rem;
  }

  .cover-tagline {
    gap: 0.6rem;
    margin-bottom: 0.8rem;
  }

  .tagline-text {
    font-size: 0.7rem;
  }

  .cover-desc {
    font-size: 0.75rem;
  }

  /* Pain cards */
  .pain-card {
    padding: 1rem;
  }

  .pain-icon {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
  }

  .pain-card h3 {
    font-size: 0.95rem;
  }

  .pain-card p {
    font-size: 0.78rem;
  }

  /* Stat banner */
  .stat-banner {
    flex-direction: column;
    gap: 0.8rem;
    padding: 0.8rem;
  }

  .stat-divider {
    width: 50px;
    height: 1px;
  }

  .stat-number {
    font-size: 1.5rem;
  }

  .stat-label {
    font-size: 0.65rem;
  }

  /* Vision cards */
  .vision-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .vision-number {
    font-size: 2rem;
  }

  .vision-card h3 {
    font-size: 0.85rem;
  }

  /* Platform / Arch */
  .platform-quote {
    font-size: 0.85rem;
    padding: 0.8rem;
    line-height: 1.6;
  }

  .arch-diagram {
    gap: 0.3rem;
  }

  .arch-layer {
    padding: 0.6rem 1rem;
  }

  .arch-icon {
    font-size: 1.2rem;
  }

  .arch-info h4 {
    font-size: 0.85rem;
  }

  .arch-info p {
    font-size: 0.7rem;
  }

  /* Tech cards */
  .tech-card {
    padding: 1rem;
  }

  .tech-card-header h3 {
    font-size: 0.85rem;
  }

  .tech-card p {
    font-size: 0.75rem;
  }

  .tech-example {
    font-size: 0.65rem;
  }

  /* Star grid */
  .star-grid-top,
  .star-grid-middle,
  .star-grid-bottom {
    gap: 0.5rem;
  }

  .star-center-hub {
    width: 80px;
    height: 80px;
  }

  .star-center-hub h4 {
    font-size: 1rem;
  }

  .star-center-hub p {
    font-size: 0.5rem;
  }

  .star-node-card {
    min-width: 70px;
    padding: 0.4rem 0.6rem;
  }

  .star-node-emoji {
    font-size: 1rem;
  }

  .star-node-title {
    font-size: 0.65rem;
  }

  .star-node-skill {
    font-size: 0.45rem;
  }

  /* Highlight stat */
  .highlight-stat {
    padding: 0.6rem 1rem;
    flex-direction: column;
    text-align: center;
    gap: 0.5rem;
  }

  .highlight-before {
    font-size: 1.2rem;
  }

  .highlight-after {
    font-size: 1.5rem !important;
  }

  /* Guard cards */
  .guard-card {
    padding: 1rem;
  }

  .guard-icon {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
  }

  .guard-card h3 {
    font-size: 0.85rem;
  }

  .guard-card li {
    font-size: 0.72rem;
    line-height: 1.6;
  }

  /* Use case table */
  .usecase-row {
    grid-template-columns: 1fr;
  }

  .usecase-col-scene,
  .usecase-col-before,
  .usecase-col-after {
    padding: 0.5rem 0.8rem;
    font-size: 0.72rem;
    border-left: none;
  }

  .usecase-col-scene {
    background: rgba(212, 168, 83, 0.05);
    font-weight: 700;
  }

  .usecase-header {
    display: none;
  }

  .usecase-row:not(.usecase-header) {
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    margin-bottom: 0.5rem;
    overflow: hidden;
  }

  .usecase-col-before::before {
    content: 'Before: ';
    color: var(--text-muted);
    font-weight: 600;
  }

  .usecase-col-after::before {
    content: 'After: ';
    color: var(--gold);
    font-weight: 600;
  }

  /* ROI cards */
  .roi-card {
    padding: 1rem;
  }

  .roi-number {
    font-size: 2.5rem;
  }

  .roi-unit {
    font-size: 1.2rem;
  }

  .roi-bottom-value {
    font-size: 2rem;
  }

  /* Moat / Iter cards */
  .moat-card,
  .iter-card {
    padding: 1rem;
  }

  .iter-grid {
    grid-template-columns: 1fr;
  }

  .iter-compare {
    flex-direction: column;
    gap: 0.3rem;
  }

  .moat-quote {
    font-size: 0.8rem;
  }

  /* Security */
  .sec-layer {
    padding: 0.6rem 0.8rem;
    gap: 0.6rem;
  }

  .sec-num {
    font-size: 1.1rem;
    min-width: 35px;
  }

  .sec-layer h3 {
    font-size: 0.8rem;
    min-width: 60px;
  }

  .sec-layer p {
    font-size: 0.7rem;
  }

  .comp-badge {
    font-size: 0.6rem;
    padding: 0.3rem 0.6rem;
  }

  /* Deploy */
  .deploy-card {
    padding: 1.2rem 1rem;
  }

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

  .deploy-card h3 {
    font-size: 0.9rem;
  }

  /* Proof */
  .proof-card {
    padding: 1.2rem 1rem;
  }

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

  .proof-number {
    font-size: 2rem;
  }

  /* Phase timeline */
  .phase-card {
    padding: 1.2rem;
  }

  .phase-duration {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
  }

  .phase-card li {
    font-size: 0.72rem;
  }

  /* CTA */
  .cta-title {
    font-size: 1.8rem;
  }

  .cta-subtitle {
    font-size: 1rem;
    margin-bottom: 1.5rem;
  }

  .cta-box {
    padding: 1rem 1.5rem;
  }

  .cta-qr {
    width: 70px;
    height: 70px;
    font-size: 1.2rem;
  }

  .cta-contact p {
    font-size: 0.78rem;
  }

  .cta-footer {
    margin-top: 1rem;
  }
}

/* ========== RESPONSIVE (Small Mobile: ≤ 480px) ========== */
@media (max-width: 480px) {
  .nav-divider {
    display: none;
  }

  .lang-toggle {
    margin-right: 0.2rem;
  }

  .lang-btn {
    padding: 2px 5px;
    font-size: 0.52rem;
  }

  .slide-title {
    font-size: 1.2rem;
  }

  .cover-title .title-line {
    font-size: 2rem;
    letter-spacing: 4px;
  }

  .vision-grid {
    grid-template-columns: 1fr;
  }

  .star-grid-top,
  .star-grid-bottom {
    flex-direction: column;
  }

  .star-grid-middle {
    flex-direction: column;
    gap: 0.8rem;
  }

  .cta-title {
    font-size: 1.5rem;
  }
}