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

:root {
  --bg: #ffffff;
  --bg-alt: #f8fafc;
  --bg-dark: #0f172a;
  --text: #0f172a;
  --text-muted: #64748b;
  --text-light: #94a3b8;
  --accent: #2563eb;
  --accent-hover: #1d4ed8;
  --accent-light: #eff6ff;
  --accent-glow: rgba(37, 99, 235, 0.18);
  --border: #e2e8f0;
  --radius: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.04);
  --shadow: 0 4px 24px rgba(15, 23, 42, 0.07);
  --shadow-lg: 0 24px 64px rgba(15, 23, 42, 0.1);
  --shadow-accent: 0 8px 32px rgba(37, 99, 235, 0.2);
  --font: 'Inter', system-ui, -apple-system, sans-serif;
  --max: 1120px;
  --header-h: 68px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

img, svg {
  display: block;
}

.container {
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(226, 232, 240, 0.8);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
  font-size: 1.125rem;
  color: var(--text);
}

.logo-icon {
  color: var(--accent);
  display: flex;
}

.nav {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.nav a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: color 0.2s;
}

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

.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: transform 0.2s, opacity 0.2s;
}

.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.8125rem 1.625rem;
  border-radius: var(--radius);
  font-size: 0.9375rem;
  font-weight: 600;
  font-family: inherit;
  border: none;
  cursor: pointer;
  transition: background 0.25s, color 0.25s, transform 0.2s, box-shadow 0.25s;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: var(--shadow-accent);
}

.btn-primary:hover {
  background: var(--accent-hover);
  box-shadow: 0 12px 36px rgba(37, 99, 235, 0.28);
}

.btn-ghost {
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}

.btn-ghost:hover {
  background: var(--bg-alt);
  border-color: #cbd5e1;
}

.btn-white {
  background: #fff;
  color: var(--accent);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
}

.btn-white:hover {
  background: #f8fafc;
}

/* Badge */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1rem;
  border-radius: 999px;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  background: linear-gradient(135deg, var(--accent-light), #fff);
  color: var(--accent);
  border: 1px solid rgba(37, 99, 235, 0.18);
  margin-bottom: 1.5rem;
}

.badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  animation: badgePulse 2s ease infinite;
}

.badge-dot-light {
  background: #60a5fa;
}

@keyframes badgePulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(0.85); }
}

.badge-light {
  background: rgba(255, 255, 255, 0.1);
  color: #e2e8f0;
  border-color: rgba(255, 255, 255, 0.15);
}

/* Hero */
.hero {
  position: relative;
  overflow: hidden;
  padding: 4rem 0 5rem;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, #f0f5ff 0%, var(--bg) 55%);
  z-index: 0;
}

.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
}

.hero-orb-1 {
  width: 480px;
  height: 480px;
  background: rgba(37, 99, 235, 0.12);
  top: -120px;
  right: -80px;
  animation: float 8s ease-in-out infinite;
}

.hero-orb-2 {
  width: 320px;
  height: 320px;
  background: rgba(99, 102, 241, 0.08);
  bottom: 0;
  left: -60px;
  animation: float 10s ease-in-out infinite reverse;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(20px, -20px); }
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 3.5rem;
  align-items: center;
}

.hero-brand {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.02em;
  margin-bottom: 0.75rem;
}

.hero-content h1 {
  font-size: clamp(2.25rem, 5.5vw, 3.25rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.035em;
  margin-bottom: 1.25rem;
  color: var(--text);
}

.hero-sub {
  font-size: 1.0625rem;
  color: var(--text-muted);
  max-width: 30rem;
  margin-bottom: 1.25rem;
  line-height: 1.75;
}

.hero-concept {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  padding-left: 1rem;
  border-left: 3px solid var(--accent);
  margin-bottom: 2rem;
  max-width: 28rem;
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.875rem;
}

/* Phone mockup */
.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  animation: phoneFloat 6s ease-in-out infinite;
}

@keyframes phoneFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.phone-glow {
  position: absolute;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, var(--accent-glow), transparent 70%);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
}

.phone {
  width: 290px;
  background: linear-gradient(145deg, #1e293b, #0f172a);
  border-radius: 40px;
  padding: 10px;
  box-shadow: var(--shadow-lg), 0 0 0 1px rgba(255, 255, 255, 0.06) inset;
  position: relative;
  z-index: 1;
}

.phone-notch {
  width: 96px;
  height: 26px;
  background: #0f172a;
  border-radius: 0 0 14px 14px;
  position: absolute;
  top: 10px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
}

.phone-screen {
  background: var(--bg-alt);
  border-radius: 32px;
  padding: 2.25rem 0.875rem 0.875rem;
  min-height: 480px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.phone-status {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.625rem;
  font-weight: 600;
  color: var(--text);
  padding: 0 0.25rem 0.5rem;
}

.phone-signal {
  display: flex;
  gap: 2px;
  align-items: flex-end;
}

.phone-signal i {
  display: block;
  width: 3px;
  background: var(--text);
  border-radius: 1px;
}

.phone-signal i:nth-child(1) { height: 4px; }
.phone-signal i:nth-child(2) { height: 6px; }
.phone-signal i:nth-child(3) { height: 8px; }

.phone-header {
  margin-bottom: 0.75rem;
  padding: 0 0.25rem;
}

.phone-greeting {
  display: block;
  font-size: 0.6875rem;
  color: var(--text-muted);
}

.phone-title {
  display: block;
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text);
}

.phone-count {
  display: inline-block;
  font-size: 0.625rem;
  font-weight: 600;
  color: var(--accent);
  background: var(--accent-light);
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
  margin-top: 0.25rem;
}

.phone-alerts {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  flex: 1;
  overflow: hidden;
}

.alert-card {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  background: var(--bg);
  border-radius: 10px;
  padding: 0.625rem 0.75rem;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  animation: slideIn 0.5s var(--ease) both;
  transition: transform 0.2s;
}

.alert-card:hover {
  transform: scale(1.02);
}

.alert-card:nth-child(1) { animation-delay: 0.15s; }
.alert-card:nth-child(2) { animation-delay: 0.25s; }
.alert-card:nth-child(3) { animation-delay: 0.35s; }
.alert-card:nth-child(4) { animation-delay: 0.45s; }
.alert-card:nth-child(5) { animation-delay: 0.55s; }

@keyframes slideIn {
  from { opacity: 0; transform: translateX(16px); }
  to { opacity: 1; transform: translateX(0); }
}

.alert-icon {
  font-size: 1.125rem;
  line-height: 1;
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-alt);
  border-radius: 8px;
}

.alert-body {
  flex: 1;
  min-width: 0;
}

.alert-body strong {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text);
}

.alert-body span {
  display: block;
  font-size: 0.6875rem;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.alert-card time {
  font-size: 0.625rem;
  color: var(--text-light);
  flex-shrink: 0;
  font-weight: 500;
}

.alert-gold .alert-icon { background: #fef3c7; }
.alert-currency .alert-icon { background: #d1fae5; }
.alert-crypto .alert-icon { background: #ede9fe; }
.alert-football .alert-icon { background: #dcfce7; }
.alert-weather .alert-icon { background: #dbeafe; }

.phone-tabs {
  display: flex;
  justify-content: space-around;
  margin-top: 0.75rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border);
}

.phone-tabs span {
  font-size: 0.625rem;
  font-weight: 500;
  color: var(--text-light);
}

.phone-tabs span.active {
  color: var(--accent);
  font-weight: 600;
}

/* Sections */
.section {
  padding: 6rem 0;
}

.section-alt {
  background: var(--bg-alt);
}

.section-head {
  text-align: center;
  max-width: 38rem;
  margin: 0 auto 3.5rem;
}

.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.875rem;
}

.section-head h2 {
  font-size: clamp(1.875rem, 4vw, 2.375rem);
  font-weight: 700;
  letter-spacing: -0.025em;
  margin-bottom: 0.875rem;
  line-height: 1.2;
}

.section-head p {
  font-size: 1.0625rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* Features */
.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}

.feature-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: transform 0.3s var(--ease), box-shadow 0.3s, border-color 0.3s;
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.04), transparent 60%);
  opacity: 0;
  transition: opacity 0.3s;
}

.feature-card:hover {
  transform: translateY(-4px);
  border-color: rgba(37, 99, 235, 0.25);
  box-shadow: var(--shadow);
}

.feature-card:hover::before {
  opacity: 1;
}

.feature-icon {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--accent-light), #fff);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.375rem;
  border: 1px solid rgba(37, 99, 235, 0.1);
  position: relative;
  z-index: 1;
}

.feature-icon svg {
  width: 22px;
  height: 22px;
}

.feature-card h3 {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  position: relative;
  z-index: 1;
}

.feature-card p {
  font-size: 0.9375rem;
  color: var(--text-muted);
  line-height: 1.65;
  position: relative;
  z-index: 1;
}

/* Steps */
.steps {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  position: relative;
}

.step {
  position: relative;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.25rem 1.75rem;
  text-align: center;
  transition: transform 0.3s var(--ease), box-shadow 0.3s;
}

.step:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}

.step-connector {
  display: none;
}

.step-num {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), #3b82f6);
  color: #fff;
  font-size: 1.25rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.375rem;
  box-shadow: var(--shadow-accent);
}

.step-content h3 {
  font-size: 1.0625rem;
  font-weight: 700;
  margin-bottom: 0.625rem;
}

.step-content p {
  font-size: 0.9375rem;
  color: var(--text-muted);
  line-height: 1.65;
}

/* Roadmap */
.roadmap {
  max-width: 640px;
  margin: 0 auto;
  position: relative;
}

.roadmap::before {
  content: '';
  position: absolute;
  left: 19px;
  top: 24px;
  bottom: 24px;
  width: 2px;
  background: linear-gradient(180deg, var(--accent), #c7d2fe, #e2e8f0);
  border-radius: 2px;
}

.roadmap-phase {
  display: flex;
  gap: 1.5rem;
  margin-bottom: 2rem;
  position: relative;
}

.roadmap-phase:last-child {
  margin-bottom: 0;
}

.roadmap-marker {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--bg);
  border: 2px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 1;
}

.roadmap-marker-live {
  border-color: var(--accent);
  background: var(--accent-light);
}

.roadmap-marker-future {
  border-color: #a5b4fc;
  background: #eef2ff;
}

.roadmap-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--text-light);
}

.roadmap-marker-live .roadmap-dot {
  background: var(--accent);
  animation: badgePulse 2s ease infinite;
}

.roadmap-marker-future .roadmap-dot {
  background: #6366f1;
}

.roadmap-card {
  flex: 1;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  transition: transform 0.3s var(--ease), box-shadow 0.3s;
}

.roadmap-card:hover {
  transform: translateX(4px);
  box-shadow: var(--shadow);
}

.roadmap-card-live {
  border-color: rgba(37, 99, 235, 0.2);
  background: linear-gradient(135deg, var(--accent-light), var(--bg) 50%);
}

.roadmap-card-future {
  border-color: rgba(99, 102, 241, 0.2);
  background: linear-gradient(135deg, #eef2ff, var(--bg) 50%);
}

.roadmap-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--accent);
  margin-bottom: 1rem;
}

.roadmap-card-future .roadmap-tag {
  color: #6366f1;
}

.roadmap-card ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.roadmap-card li {
  font-size: 0.875rem;
  color: var(--text-muted);
  background: var(--bg-alt);
  border: 1px solid var(--border);
  padding: 0.375rem 0.75rem;
  border-radius: 999px;
  transition: background 0.2s, border-color 0.2s;
}

.roadmap-card li:hover {
  background: var(--bg);
  border-color: rgba(37, 99, 235, 0.2);
  color: var(--text);
}

/* Categories */
.categories-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.125rem;
}

.category-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  transition: transform 0.3s var(--ease), box-shadow 0.3s, border-color 0.3s;
}

.category-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow);
  border-color: rgba(37, 99, 235, 0.2);
}

.category-icon-wrap {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.375rem;
  margin-bottom: 1.125rem;
}

.cat-gold { background: #fef3c7; }
.cat-currency { background: #d1fae5; }
.cat-weather { background: #dbeafe; }
.cat-football { background: #dcfce7; }
.cat-crypto { background: #ede9fe; }
.cat-stocks { background: #fce7f3; }
.cat-flights { background: #e0f2fe; }
.cat-news { background: #f1f5f9; }
.cat-shopping { background: #fff7ed; }

.category-card h4 {
  font-size: 1.0625rem;
  font-weight: 700;
  margin-bottom: 0.375rem;
}

.category-card p {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* Vision */
.vision {
  padding: 6rem 0;
  background: linear-gradient(180deg, var(--bg) 0%, var(--bg-alt) 100%);
}

.vision-inner {
  max-width: 42rem;
  margin: 0 auto;
  text-align: center;
}

.vision-inner h2 {
  font-size: clamp(1.875rem, 4vw, 2.375rem);
  font-weight: 700;
  letter-spacing: -0.025em;
  margin-bottom: 1.25rem;
  line-height: 1.2;
}

.vision-inner p {
  font-size: 1.125rem;
  color: var(--text-muted);
  line-height: 1.75;
}

/* CTA */
.cta {
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #0f172a 100%);
  color: #fff;
  padding: 6rem 0;
  position: relative;
  overflow: hidden;
}

.cta::before {
  content: '';
  position: absolute;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.15), transparent 70%);
  top: -200px;
  right: -100px;
  pointer-events: none;
}

.cta-inner {
  text-align: center;
  max-width: 34rem;
  position: relative;
  z-index: 1;
}

.cta h2 {
  font-size: clamp(1.875rem, 4vw, 2.375rem);
  font-weight: 700;
  letter-spacing: -0.025em;
  margin-bottom: 0.875rem;
}

.cta p {
  color: #94a3b8;
  font-size: 1.0625rem;
  margin-bottom: 2rem;
  line-height: 1.7;
}

/* Footer */
.footer {
  background: var(--bg);
  border-top: 1px solid var(--border);
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 2.5rem;
  padding: 3rem 0;
}

.logo-footer .logo-icon {
  color: var(--accent);
}

.footer-tagline {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-top: 0.625rem;
}

.footer-label {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-light);
  margin-bottom: 0.75rem;
}

.footer-col a {
  display: block;
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
  transition: color 0.2s;
}

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

.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 1.375rem 0;
}

.footer-bottom p {
  font-size: 0.8125rem;
  color: var(--text-light);
  text-align: center;
}

/* Responsive */
@media (min-width: 901px) {
  .steps {
    gap: 0;
  }

  .step {
    border: none;
    background: transparent;
    box-shadow: none;
    padding: 0 1.5rem;
  }

  .step:hover {
    transform: none;
    box-shadow: none;
  }

  .step-connector {
    display: block;
    position: absolute;
    top: 26px;
    left: calc(50% + 30px);
    width: calc(100% - 60px);
    height: 2px;
    background: linear-gradient(90deg, var(--accent), #c7d2fe);
    opacity: 0.4;
  }

  .step:last-child .step-connector {
    display: none;
  }
}

@media (max-width: 900px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 3rem;
  }

  .hero-sub,
  .hero-concept {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-concept {
    border-left: none;
    padding-left: 0;
    border-top: 3px solid var(--accent);
    padding-top: 1rem;
  }

  .hero-actions {
    justify-content: center;
  }

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

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

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

  .footer-inner {
    grid-template-columns: 1fr 1fr;
  }

  .footer-brand {
    grid-column: span 2;
    text-align: center;
  }

  .footer-tagline {
    max-width: none;
  }
}

@media (max-width: 640px) {
  .nav {
    display: none;
    position: absolute;
    top: var(--header-h);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    padding: 0.75rem 1.5rem;
    box-shadow: var(--shadow);
  }

  .nav.open {
    display: flex;
  }

  .nav a {
    padding: 0.875rem 0;
    border-bottom: 1px solid var(--border);
  }

  .nav a:last-child {
    border-bottom: none;
  }

  .nav-toggle {
    display: flex;
  }

  .site-header {
    position: sticky;
  }

  .hero {
    padding: 2.5rem 0 3.5rem;
  }

  .phone {
    width: 270px;
  }

  .phone-screen {
    min-height: 440px;
  }

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

  .footer-inner {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .footer-brand {
    grid-column: span 1;
  }

  .section {
    padding: 4.5rem 0;
  }

  .roadmap::before {
    left: 15px;
  }

  .roadmap-marker {
    width: 32px;
    height: 32px;
  }

  .roadmap-dot {
    width: 8px;
    height: 8px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .hero-visual, .hero-orb, .badge-dot, .roadmap-marker-live .roadmap-dot { animation: none; }
  .alert-card { animation: none; }
  .btn:hover, .feature-card:hover, .category-card:hover, .step:hover, .roadmap-card:hover { transform: none; }
}