/* =============================================
   BLANKETCAT — Global Styles
   Aesthetic: Dark editorial with warm amber accents
   ============================================= */

:root {
  --bg: #0c0b0e;
  --bg-raised: #14131a;
  --bg-card: #1a1822;
  --bg-card-hover: #21202b;
  --surface: #252330;
  --border: #2a2838;
  --border-light: #363445;
  --text: #e8e6f0;
  --text-muted: #9895a8;
  --text-dim: #6b6880;
  --accent: #2dd4bf;
  --accent-hover: #5eead4;
  --accent-dim: #14b8a6;
  --accent-glow: rgba(45, 212, 191, 0.1);
  --green: #3dd68c;
  --blue: #5b9cf5;
  --red: #f06060;
  --font-display: 'DM Serif Display', Georgia, serif;
  --font-body: 'Instrument Sans', -apple-system, sans-serif;
  --radius: 10px;
  --radius-lg: 16px;
  --max-width: 1200px;
  --transition: 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
  display: block;
}

/* =============================================
   NAVIGATION
   ============================================= */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 0 2rem;
  background: rgba(12, 11, 14, 0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.nav-logo {
  font-family: var(--font-display);
  font-size: 1.35rem;
  letter-spacing: -0.01em;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.logo-mark {
  width: 28px;
  height: 28px;
  display: block;
  flex-shrink: 0;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-links a {
  font-size: 0.88rem;
  color: var(--text-muted);
  transition: color var(--transition);
  font-weight: 500;
}

.nav-links a:hover {
  color: var(--text);
}

.nav-login {
  background: var(--bg-card);
  color: var(--text) !important;
  padding: 0.45rem 1.2rem;
  border-radius: 6px;
  font-weight: 600;
  font-size: 0.85rem !important;
  border: 1px solid var(--border-light);
  transition: background var(--transition), border-color var(--transition), transform var(--transition);
}

.nav-login:hover {
  background: var(--bg-card-hover);
  border-color: var(--text-dim);
  transform: translateY(-1px);
}

.nav-cta {
  background: var(--accent);
  color: var(--bg) !important;
  padding: 0.45rem 1.2rem;
  border-radius: 6px;
  font-weight: 600;
  font-size: 0.85rem !important;
  transition: background var(--transition), transform var(--transition);
}

.nav-cta:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: var(--transition);
}

.nav-toggle.open span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}
.nav-toggle.open span:nth-child(2) {
  opacity: 0;
}
.nav-toggle.open span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

.mobile-menu {
  display: none;
  position: fixed;
  top: 64px;
  left: 0;
  right: 0;
  background: var(--bg-raised);
  border-bottom: 1px solid var(--border);
  padding: 1.5rem 2rem;
  flex-direction: column;
  gap: 1rem;
  z-index: 99;
  transform: translateY(-10px);
  opacity: 0;
  pointer-events: none;
  transition: var(--transition);
}

.mobile-menu.open {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.mobile-menu a {
  font-size: 1rem;
  color: var(--text-muted);
  padding: 0.4rem 0;
}

/* =============================================
   BUTTONS
   ============================================= */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.7rem 1.6rem;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 600;
  font-family: var(--font-body);
  cursor: pointer;
  border: none;
  transition: all var(--transition);
}

.btn-primary {
  background: var(--accent);
  color: var(--bg);
}

.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(45, 212, 191, 0.25);
}

.btn-ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border-light);
}

.btn-ghost:hover {
  border-color: var(--text-muted);
  background: var(--bg-card);
}

.btn-secondary {
  background: var(--bg-card);
  color: var(--text);
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  border-color: var(--accent-dim);
  background: var(--bg-card-hover);
}

.btn-lg {
  padding: 0.9rem 2.2rem;
  font-size: 1rem;
}

/* =============================================
   HERO
   ============================================= */

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 8rem 2rem 4rem;
  overflow: hidden;
}

.hero-grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(45, 212, 191, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(45, 212, 191, 0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, black 20%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, black 20%, transparent 70%);
}

.hero-content {
  max-width: var(--max-width);
  margin: 0 auto;
  position: relative;
  z-index: 2;
  flex: 1;
}

.hero-eyebrow {
  font-size: 0.82rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--accent);
  margin-bottom: 1.5rem;
  animation: fadeUp 0.8s ease both;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 6vw, 4.8rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
  animation: fadeUp 0.8s ease 0.1s both;
}

.hero-title em {
  font-style: italic;
  color: var(--accent);
}

.hero-sub {
  font-size: 1.15rem;
  color: var(--text-muted);
  max-width: 600px;
  line-height: 1.7;
  margin-bottom: 2.5rem;
  animation: fadeUp 0.8s ease 0.2s both;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  animation: fadeUp 0.8s ease 0.3s both;
}

.hero-visual {
  position: absolute;
  right: 6%;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  gap: 1rem;
  z-index: 1;
}

.hero-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.9rem 1.3rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  white-space: nowrap;
  backdrop-filter: blur(10px);
  animation: slideInRight 0.6s ease both;
}

.hero-card.card-1 { animation-delay: 0.4s; }
.hero-card.card-2 { animation-delay: 0.55s; transform: translateX(30px); }
.hero-card.card-3 { animation-delay: 0.7s; }

.card-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.card-dot.green { background: var(--green); box-shadow: 0 0 8px rgba(61, 214, 140, 0.4); }
.card-dot.amber { background: var(--accent); box-shadow: 0 0 8px rgba(45, 212, 191, 0.4); }
.card-dot.blue { background: var(--blue); box-shadow: 0 0 8px rgba(91, 156, 245, 0.4); }

/* =============================================
   SECTIONS
   ============================================= */

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 3.5rem;
}

.section-eyebrow {
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--accent);
  margin-bottom: 1rem;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.section-sub {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* =============================================
   PLATFORM GRID
   ============================================= */

.platform-section {
  padding: 6rem 2rem;
  max-width: var(--max-width);
  margin: 0 auto;
}

.platform-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.platform-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
  opacity: 0;
  transform: translateY(20px);
}

.platform-card.visible {
  opacity: 1;
  transform: translateY(0);
}

.platform-card:hover {
  border-color: var(--accent-dim);
  background: var(--bg-card-hover);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
}

.platform-icon {
  color: var(--accent);
  margin-bottom: 1.2rem;
}

.platform-card h3 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  margin-bottom: 0.7rem;
}

.platform-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.65;
  flex: 1;
}

.platform-link {
  display: inline-block;
  margin-top: 1.2rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent);
  transition: gap var(--transition);
}

/* =============================================
   FEATURE HIGHLIGHTS
   ============================================= */

.features-highlight {
  padding: 4rem 2rem;
  max-width: var(--max-width);
  margin: 0 auto;
}

.highlight-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  padding: 5rem 0;
  border-top: 1px solid var(--border);
  opacity: 0;
  transform: translateY(30px);
}

.highlight-row.visible {
  opacity: 1;
  transform: translateY(0);
  transition: all 0.6s ease;
}

.highlight-row.reverse {
  direction: rtl;
}

.highlight-row.reverse > * {
  direction: ltr;
}

.highlight-text h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  line-height: 1.15;
  margin-bottom: 1rem;
}

.highlight-text > p {
  color: var(--text-muted);
  font-size: 1rem;
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

.feature-list {
  list-style: none;
  margin-bottom: 2rem;
}

.feature-list li {
  position: relative;
  padding-left: 1.5rem;
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 0.6rem;
}

.feature-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
}

/* Stat Grid Visual */
.stat-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.8rem;
  text-align: center;
  opacity: 0;
  transform: scale(0.95);
}

.stat-card.visible {
  opacity: 1;
  transform: scale(1);
  transition: all 0.5s ease;
}

.stat-value {
  display: block;
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--accent);
  margin-bottom: 0.3rem;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* Journey Visualization */
.journey-viz {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
  padding: 2rem;
}

.journey-node {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.85rem 1.4rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.88rem;
  width: 100%;
  max-width: 260px;
  opacity: 0;
  transform: translateY(10px);
}

.journey-node.visible {
  opacity: 1;
  transform: translateY(0);
  transition: all 0.4s ease;
}

.node-icon {
  font-size: 0.9rem;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  flex-shrink: 0;
}

.node-trigger .node-icon { background: rgba(61, 214, 140, 0.15); color: var(--green); }
.node-email .node-icon { background: rgba(91, 156, 245, 0.15); color: var(--blue); }
.node-wait .node-icon { background: rgba(232, 166, 52, 0.15); color: var(--accent); }
.node-condition .node-icon { background: rgba(240, 96, 96, 0.15); color: var(--red); }

.journey-line {
  width: 2px;
  height: 24px;
  background: var(--border-light);
}

/* Theme Showcase */
.theme-showcase {
  display: flex;
  gap: 0.75rem;
  justify-content: center;
  flex-wrap: wrap;
}

.theme-card {
  text-align: center;
}

.theme-preview {
  width: 80px;
  height: 100px;
  border-radius: 8px;
  border: 2px solid var(--border);
  margin-bottom: 0.5rem;
  transition: border-color var(--transition);
}

.theme-card.active .theme-preview {
  border-color: var(--accent);
}

.theme-preview.dark { background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%); }
.theme-preview.light { background: linear-gradient(135deg, #faf8f5 0%, #f0ece4 100%); }
.theme-preview.brutalist { background: linear-gradient(135deg, #fff 0%, #000 50%, #fff 100%); }
.theme-preview.chronicle { background: linear-gradient(135deg, #f5f0e8 0%, #e8dcc8 100%); }
.theme-preview.mono { background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%); }

.theme-card span {
  font-size: 0.75rem;
  color: var(--text-dim);
}

/* =============================================
   WARMUP SECTION
   ============================================= */

.warmup-section {
  padding: 6rem 2rem;
  max-width: var(--max-width);
  margin: 0 auto;
}

.warmup-modes {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1rem;
  margin-bottom: 2.5rem;
}

.mode-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.8rem 1.5rem;
  text-align: center;
  opacity: 0;
  transform: translateY(20px);
  transition: all var(--transition);
}

.mode-card.visible {
  opacity: 1;
  transform: translateY(0);
}

.mode-card:hover {
  border-color: var(--border-light);
  transform: translateY(-3px);
}

.mode-card.featured {
  border-color: var(--accent-dim);
  background: linear-gradient(180deg, var(--bg-card-hover) 0%, var(--bg-card) 100%);
  position: relative;
}

.mode-card.featured::before {
  content: 'Popular';
  position: absolute;
  top: -10px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: var(--bg);
  font-size: 0.68rem;
  font-weight: 700;
  padding: 2px 10px;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.mode-card h4 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  margin-bottom: 0.8rem;
}

.mode-volume {
  font-family: var(--font-display);
  font-size: 1.4rem;
  color: var(--accent);
  margin-bottom: 0.8rem;
}

.mode-volume span {
  font-family: var(--font-body);
  font-size: 0.75rem;
  color: var(--text-dim);
}

.mode-card p {
  font-size: 0.82rem;
  color: var(--text-dim);
  line-height: 1.5;
}

.warmup-cta {
  text-align: center;
}

/* =============================================
   INFRASTRUCTURE SECTION
   ============================================= */

.infra-section {
  padding: 6rem 2rem;
  max-width: var(--max-width);
  margin: 0 auto;
  text-align: center;
}

.infra-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
  text-align: left;
  margin-bottom: 2.5rem;
}

.infra-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  opacity: 0;
  transform: translateY(20px);
  transition: all var(--transition);
}

.infra-item.visible {
  opacity: 1;
  transform: translateY(0);
}

.infra-item:hover {
  border-color: var(--border-light);
}

.infra-item h4 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  margin-bottom: 0.6rem;
}

.infra-item p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* =============================================
   CTA SECTION
   ============================================= */

.cta-section {
  padding: 8rem 2rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 50% 50% at 50% 50%, var(--accent-glow), transparent);
}

.cta-content {
  position: relative;
  z-index: 1;
}

.cta-content h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.2rem);
  line-height: 1.15;
  margin-bottom: 1rem;
}

.cta-content p {
  color: var(--text-muted);
  font-size: 1.1rem;
  margin-bottom: 2rem;
}

/* =============================================
   FOOTER
   ============================================= */

.footer {
  border-top: 1px solid var(--border);
  padding: 3rem 2rem 1.5rem;
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  margin-bottom: 3rem;
}

.footer-brand {
  font-family: var(--font-display);
  font-size: 1.2rem;
}

.footer-links {
  display: flex;
  gap: 4rem;
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer-col h5 {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-dim);
  margin-bottom: 0.3rem;
}

.footer-col a {
  font-size: 0.88rem;
  color: var(--text-muted);
  transition: color var(--transition);
}

.footer-col a:hover {
  color: var(--text);
}

.footer-bottom {
  max-width: var(--max-width);
  margin: 0 auto;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}

.footer-bottom span {
  font-size: 0.8rem;
  color: var(--text-dim);
}

/* =============================================
   PAGE HEADER (for sub-pages)
   ============================================= */

.page-header {
  padding: 8rem 2rem 4rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-header::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 50% at 50% 0%, var(--accent-glow), transparent);
}

.page-header .section-eyebrow,
.page-header .section-title,
.page-header .section-sub {
  position: relative;
  z-index: 1;
}

.page-header .section-sub {
  max-width: 600px;
  margin: 0 auto;
}

/* =============================================
   FEATURE SECTIONS (for sub-pages)
   ============================================= */

.feature-section {
  padding: 5rem 2rem;
  max-width: var(--max-width);
  margin: 0 auto;
}

.feature-section + .feature-section {
  border-top: 1px solid var(--border);
}

.feature-section h2 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  line-height: 1.2;
  margin-bottom: 1rem;
}

.feature-section > p {
  color: var(--text-muted);
  font-size: 1rem;
  line-height: 1.7;
  max-width: 700px;
  margin-bottom: 2.5rem;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.25rem;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.8rem;
  transition: border-color var(--transition);
}

.feature-card:hover {
  border-color: var(--border-light);
}

.feature-card h4 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
}

.feature-card p {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.feature-card .tag {
  display: inline-block;
  margin-top: 0.8rem;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  background: var(--accent-glow);
  padding: 0.25rem 0.6rem;
  border-radius: 4px;
}

/* Detail list for sub-pages */
.detail-list {
  list-style: none;
  columns: 2;
  column-gap: 2rem;
  margin-top: 1.5rem;
}

.detail-list li {
  position: relative;
  padding-left: 1.4rem;
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 0.7rem;
  break-inside: avoid;
}

.detail-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 5px;
  height: 5px;
  background: var(--accent);
  border-radius: 50%;
}

/* Comparison / Mode table for sub-pages */
.mode-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 2rem;
}

.mode-table th,
.mode-table td {
  padding: 1rem 1.2rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
  font-size: 0.9rem;
}

.mode-table th {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-dim);
  font-weight: 600;
}

.mode-table td:first-child {
  font-family: var(--font-display);
  font-size: 1rem;
}

.mode-table tr:hover td {
  background: var(--bg-card);
}

/* Code blocks for API references */
.code-block {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.2rem 1.5rem;
  font-family: 'SF Mono', 'Fira Code', monospace;
  font-size: 0.82rem;
  color: var(--text-muted);
  overflow-x: auto;
  margin: 1rem 0;
}

.code-block .keyword { color: var(--accent); }
.code-block .string { color: var(--green); }
.code-block .comment { color: var(--text-dim); }

/* =============================================
   ANIMATIONS
   ============================================= */

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(40px);
  }
  to {
    opacity: 1;
  }
}

/* Stagger animation delays for grid items */
.platform-card:nth-child(1) { transition-delay: 0s; }
.platform-card:nth-child(2) { transition-delay: 0.05s; }
.platform-card:nth-child(3) { transition-delay: 0.1s; }
.platform-card:nth-child(4) { transition-delay: 0.15s; }
.platform-card:nth-child(5) { transition-delay: 0.2s; }
.platform-card:nth-child(6) { transition-delay: 0.25s; }

.mode-card:nth-child(1) { transition-delay: 0s; }
.mode-card:nth-child(2) { transition-delay: 0.06s; }
.mode-card:nth-child(3) { transition-delay: 0.12s; }
.mode-card:nth-child(4) { transition-delay: 0.18s; }
.mode-card:nth-child(5) { transition-delay: 0.24s; }

.journey-node:nth-child(1) { transition-delay: 0s; }
.journey-node:nth-child(3) { transition-delay: 0.1s; }
.journey-node:nth-child(5) { transition-delay: 0.2s; }
.journey-node:nth-child(7) { transition-delay: 0.3s; }
.journey-node:nth-child(9) { transition-delay: 0.4s; }

.stat-card:nth-child(1) { transition-delay: 0s; }
.stat-card:nth-child(2) { transition-delay: 0.08s; }
.stat-card:nth-child(3) { transition-delay: 0.16s; }
.stat-card:nth-child(4) { transition-delay: 0.24s; }

.infra-item:nth-child(1) { transition-delay: 0s; }
.infra-item:nth-child(2) { transition-delay: 0.06s; }
.infra-item:nth-child(3) { transition-delay: 0.12s; }
.infra-item:nth-child(4) { transition-delay: 0.18s; }

/* =============================================
   RESPONSIVE
   ============================================= */

@media (max-width: 1024px) {
  .hero-visual {
    display: none;
  }

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

  .warmup-modes {
    grid-template-columns: repeat(3, 1fr);
  }

  .highlight-row {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .highlight-row.reverse {
    direction: ltr;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

  .mobile-menu {
    display: flex;
  }

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

  .warmup-modes {
    grid-template-columns: 1fr 1fr;
  }

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

  .detail-list {
    columns: 1;
  }

  .footer-inner {
    flex-direction: column;
    gap: 2rem;
  }

  .footer-links {
    gap: 2rem;
  }

  .hero {
    min-height: auto;
    padding: 7rem 1.5rem 3rem;
  }

  .feature-section {
    padding: 3rem 1.5rem;
  }
}

@media (max-width: 480px) {
  .warmup-modes {
    grid-template-columns: 1fr;
  }

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

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