/* ==========================================================
   Intihexa — Homepage Stylesheet
   Color palette: Colorblind-friendly (Deuteranopia/Protanopia safe)
   Primary: #1B365D (dark blue)
   Accent:  #0D9488 (teal)
   CTA:     #E86C2C (orange)
   Neutral: #F8FAFB, #E2E8F0, #64748B, #1E293B
   ========================================================== */

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

:root {
  --primary: #1B365D;
  --primary-light: #2A4A7F;
  --accent: #0D9488;
  --accent-light: #14B8A6;
  --accent-bg: #F0FDFA;
  --cta: #E86C2C;
  --cta-hover: #D45A1A;
  --cta-light: #FFF7ED;
  --text: #1E293B;
  --text-secondary: #475569;
  --text-muted: #64748B;
  --bg: #FFFFFF;
  --bg-alt: #F8FAFB;
  --bg-dark: #0F172A;
  --border: #E2E8F0;
  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 20px;
  --shadow: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
  --shadow-lg: 0 10px 30px rgba(0,0,0,0.1);
  --transition: 0.2s ease;
  --nav-height: 72px;
  --container: 1200px;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: var(--accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--accent-light); }
ul { list-style: none; }

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 80px 0;
}

.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 56px;
}

.section-header h2 {
  font-size: 2rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}

.section-header p {
  font-size: 1.125rem;
  color: var(--text-secondary);
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  text-align: center;
  justify-content: center;
  white-space: nowrap;
}

.btn-primary {
  background: var(--cta);
  color: #fff;
  border-color: var(--cta);
}
.btn-primary:hover {
  background: var(--cta-hover);
  border-color: var(--cta-hover);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(232,108,44,0.3);
}

.btn-outline {
  background: transparent;
  color: var(--primary);
  border-color: var(--border);
}
.btn-outline:hover {
  border-color: var(--primary);
  background: var(--primary);
  color: #fff;
}

.btn-cta {
  background: #fff;
  color: var(--primary);
  border-color: #fff;
  font-weight: 700;
}
.btn-cta:hover {
  background: var(--cta-light);
  color: var(--cta);
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(255,255,255,0.3);
}

.btn-nav {
  padding: 8px 20px;
  background: var(--cta);
  color: #fff;
  border-color: var(--cta);
  font-size: 0.875rem;
}
.btn-nav:hover {
  background: var(--cta-hover);
  border-color: var(--cta-hover);
  color: #fff;
}

.btn-lg {
  padding: 16px 32px;
  font-size: 1.0625rem;
}

/* --- Nav --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-height);
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: all 0.3s ease;
}

.nav.scrolled {
  background: rgba(255,255,255,0.96);
  border-bottom-color: var(--border);
  box-shadow: var(--shadow);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 8px;
}

.logo-text {
  font-size: 1.5rem;
  font-weight: 400;
  color: var(--text);
  letter-spacing: -0.02em;
}
.logo-text strong {
  font-weight: 800;
  color: var(--primary);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-links a {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--transition);
}
.nav-links a:hover { color: var(--primary); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  background: none;
  border: none;
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all 0.3s ease;
}
.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); }

/* --- Hero --- */
.hero {
  padding-top: calc(var(--nav-height) + 48px);
  padding-bottom: 48px;
  background: linear-gradient(135deg, #F8FAFB 0%, #EFF6FF 50%, #F0FDFA 100%);
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: center;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.hero-badge {
  display: inline-block;
  padding: 6px 16px;
  background: var(--accent-bg);
  color: var(--accent);
  font-size: 0.8125rem;
  font-weight: 600;
  border-radius: 100px;
  margin-bottom: 20px;
  border: 1px solid rgba(13,148,136,0.15);
}

.hero h1 {
  font-size: 3rem;
  font-weight: 800;
  line-height: 1.15;
  color: var(--primary);
  margin-bottom: 20px;
  letter-spacing: -0.03em;
}

.hero-sub {
  font-size: 1.175rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 32px;
  max-width: 520px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.hero-trust {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.875rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* Phone Mockup */
.hero-visual {
  display: flex;
  justify-content: center;
}

.phone-mockup {
  width: 300px;
  background: var(--bg);
  border-radius: 32px;
  padding: 12px;
  box-shadow: var(--shadow-lg), 0 0 0 1px var(--border);
  transform: perspective(800px) rotateY(-5deg) rotateX(2deg);
  transition: transform 0.4s ease;
}
.phone-mockup:hover {
  transform: perspective(800px) rotateY(0deg) rotateX(0deg);
}

.phone-screen {
  background: var(--bg-alt);
  border-radius: 22px;
  padding: 20px;
  min-height: 480px;
}

.mockup-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}
.mockup-title {
  font-weight: 700;
  font-size: 1.125rem;
  color: var(--primary);
}
.mockup-date {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.mockup-stats {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 24px;
}

.mockup-stat {
  display: flex;
  align-items: center;
  gap: 8px;
  background: #fff;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow);
}
.mockup-stat-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  flex: 1;
}
.mockup-stat-value {
  font-weight: 700;
  font-size: 0.875rem;
  color: var(--text);
}
.mockup-stat-badge {
  font-size: 0.6875rem;
  padding: 2px 6px;
  border-radius: 4px;
  font-weight: 600;
}
.mockup-stat-badge.up {
  background: #ECFDF5;
  color: #059669;
}

.mockup-chart {
  display: flex;
  align-items: flex-end;
  gap: 8px;
  height: 80px;
  margin-bottom: 20px;
  padding: 0 4px;
}
.chart-bar {
  flex: 1;
  background: var(--accent);
  opacity: 0.25;
  border-radius: 4px 4px 0 0;
  transition: opacity var(--transition);
}
.chart-bar.active {
  opacity: 1;
}

.mockup-menu {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
}
.menu-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  font-size: 0.625rem;
  color: var(--text-muted);
  padding: 8px 4px;
  border-radius: var(--radius-sm);
  background: #fff;
}
.menu-icon {
  font-size: 1.125rem;
}

/* --- Stats Bar --- */
.stats-bar {
  padding: 40px 0;
  background: var(--primary);
}

.stats-inner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}

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

.stat-number {
  display: block;
  font-size: 2.5rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.02em;
}

.stat-desc {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.7);
  font-weight: 500;
}

/* --- Products --- */
.products {
  background: var(--bg-alt);
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
}

.product-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  position: relative;
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
}
.product-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.product-card.featured {
  border-color: var(--accent);
  border-width: 2px;
  grid-row: span 2;
}

.product-badge {
  display: inline-block;
  padding: 4px 12px;
  font-size: 0.75rem;
  font-weight: 700;
  border-radius: 100px;
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  width: fit-content;
}
.product-badge.launched {
  background: #ECFDF5;
  color: #059669;
}
.product-badge.soon {
  background: #FEF3C7;
  color: #92400E;
}

.product-icon {
  margin-bottom: 16px;
}

.product-card h3 {
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 4px;
}

.product-tagline {
  font-size: 0.875rem;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 12px;
}

.product-desc {
  color: var(--text-secondary);
  font-size: 0.9375rem;
  margin-bottom: 20px;
  line-height: 1.6;
}

.product-features {
  list-style: none;
  margin-bottom: 24px;
  flex: 1;
}
.product-features li {
  padding: 6px 0;
  padding-left: 24px;
  position: relative;
  font-size: 0.9375rem;
  color: var(--text-secondary);
}
.product-features li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 12px;
  width: 14px;
  height: 14px;
  background: var(--accent);
  border-radius: 50%;
  opacity: 0.2;
}
.product-features li::after {
  content: '';
  position: absolute;
  left: 4px;
  top: 16px;
  width: 6px;
  height: 3px;
  border-left: 2px solid var(--accent);
  border-bottom: 2px solid var(--accent);
  transform: rotate(-45deg);
}

.coming-soon {
  opacity: 0.85;
}
.coming-soon:hover { opacity: 1; }

/* --- Features --- */
.features {
  background: var(--bg);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.feature-card {
  padding: 28px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg);
  transition: all 0.3s ease;
}
.feature-card:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.feature-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-bg);
  border-radius: var(--radius-sm);
  color: var(--accent);
  margin-bottom: 16px;
}

.feature-card h3 {
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 8px;
}

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

/* --- Why Section --- */
.why {
  background: var(--bg-alt);
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.why-card {
  padding: 32px;
  background: var(--bg);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  transition: all 0.3s ease;
}
.why-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.why-number {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--primary);
  color: #fff;
  font-weight: 800;
  font-size: 1rem;
  border-radius: 50%;
  margin-bottom: 16px;
}

.why-card h3 {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 8px;
}

.why-card p {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* --- Use Cases --- */
.usecases {
  background: var(--bg);
}

.usecase-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.usecase-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 20px 24px;
  background: var(--bg-alt);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--text);
  transition: all 0.2s ease;
}
.usecase-item:hover {
  border-color: var(--accent);
  background: var(--accent-bg);
}

.usecase-icon {
  font-size: 1.5rem;
}

/* --- CTA Banner --- */
.cta-banner {
  padding: 0;
  background: var(--bg);
}

.cta-inner {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  border-radius: var(--radius-lg);
  padding: 64px 48px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-inner::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 400px;
  height: 400px;
  background: rgba(255,255,255,0.05);
  border-radius: 50%;
}
.cta-inner::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 300px;
  height: 300px;
  background: rgba(255,255,255,0.03);
  border-radius: 50%;
}

.cta-inner h2 {
  font-size: 2rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 12px;
  position: relative;
  z-index: 1;
}

.cta-inner p {
  font-size: 1.125rem;
  color: rgba(255,255,255,0.8);
  margin-bottom: 32px;
  position: relative;
  z-index: 1;
}

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

/* --- FAQ --- */
.faq {
  background: var(--bg-alt);
}

.faq-list {
  max-width: 720px;
  margin: 0 auto;
}

.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 12px;
  background: var(--bg);
  overflow: hidden;
  transition: all 0.2s ease;
}
.faq-item:hover {
  border-color: var(--accent);
}

.faq-item[open] {
  border-color: var(--accent);
  box-shadow: var(--shadow);
}

.faq-item summary {
  padding: 20px 24px;
  font-weight: 600;
  font-size: 1rem;
  color: var(--text);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  list-style: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: '+';
  font-size: 1.25rem;
  font-weight: 400;
  color: var(--text-muted);
  transition: transform 0.2s ease;
  flex-shrink: 0;
  margin-left: 16px;
}
.faq-item[open] summary::after {
  content: '\2212';
}

.faq-item p {
  padding: 0 24px 20px;
  color: var(--text-secondary);
  font-size: 0.9375rem;
  line-height: 1.7;
}

/* --- Contact --- */
.contact {
  background: var(--bg);
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 800px;
  margin: 0 auto;
}

.contact-card {
  text-align: center;
  padding: 32px 24px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg);
  transition: all 0.2s ease;
}
.contact-card:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-md);
}

.contact-card svg {
  color: var(--accent);
  margin: 0 auto 16px;
  display: block;
}

.contact-card h3 {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 8px;
}

.contact-card a {
  font-size: 1rem;
  font-weight: 600;
  color: var(--primary);
}
.contact-card a:hover { color: var(--accent); }

/* --- Footer --- */
.footer {
  background: var(--bg-dark);
  color: rgba(255,255,255,0.7);
  padding-top: 64px;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.5fr 2fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-brand .logo-text {
  color: rgba(255,255,255,0.9);
  margin-bottom: 12px;
  display: block;
}
.footer-brand .logo-text strong {
  color: #fff;
}
.footer-brand p {
  font-size: 0.9375rem;
  max-width: 280px;
  line-height: 1.6;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.footer-col h4 {
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: rgba(255,255,255,0.5);
  margin-bottom: 16px;
}

.footer-col li { margin-bottom: 10px; }
.footer-col a {
  font-size: 0.9375rem;
  color: rgba(255,255,255,0.7);
  transition: color var(--transition);
}
.footer-col a:hover { color: #fff; }

.footer-bottom {
  padding: 24px 0;
}
.footer-bottom p {
  font-size: 0.8125rem;
  color: rgba(255,255,255,0.4);
  text-align: center;
}

/* --- Animations --- */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.coming-soon.fade-in.visible { opacity: 0.85; }
.coming-soon.fade-in.visible:hover { opacity: 1; }

/* stagger animation */
.feature-card:nth-child(2) { transition-delay: 0.05s; }
.feature-card:nth-child(3) { transition-delay: 0.1s; }
.feature-card:nth-child(4) { transition-delay: 0.15s; }
.feature-card:nth-child(5) { transition-delay: 0.2s; }
.feature-card:nth-child(6) { transition-delay: 0.25s; }
.feature-card:nth-child(7) { transition-delay: 0.3s; }
.feature-card:nth-child(8) { transition-delay: 0.35s; }

.why-card:nth-child(2) { transition-delay: 0.05s; }
.why-card:nth-child(3) { transition-delay: 0.1s; }
.why-card:nth-child(4) { transition-delay: 0.15s; }
.why-card:nth-child(5) { transition-delay: 0.2s; }
.why-card:nth-child(6) { transition-delay: 0.25s; }

/* --- Responsive --- */
@media (max-width: 1024px) {
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 40px;
    text-align: center;
  }
  .hero h1 { font-size: 2.5rem; }
  .hero-sub { margin: 0 auto 32px; }
  .hero-actions { justify-content: center; }
  .hero-trust { justify-content: center; }
  .hero-visual { order: -1; }
  .phone-mockup {
    width: 260px;
    transform: none;
  }
  .phone-mockup:hover { transform: none; }
  .phone-screen { min-height: 400px; }

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

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

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

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

@media (max-width: 768px) {
  :root {
    --nav-height: 64px;
  }

  .section { padding: 56px 0; }
  .section-header { margin-bottom: 40px; }
  .section-header h2 { font-size: 1.75rem; }

  /* Nav mobile */
  .nav-toggle { display: flex; }
  .nav-links {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--bg);
    padding: 24px;
    gap: 0;
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-lg);
    transform: translateY(-120%);
    transition: transform 0.3s ease;
    z-index: 999;
  }
  .nav-links.open { transform: translateY(0); }
  .nav-links li {
    width: 100%;
    border-bottom: 1px solid var(--border);
  }
  .nav-links li:last-child { border: none; margin-top: 8px; }
  .nav-links a {
    display: block;
    padding: 16px 0;
    font-size: 1rem;
  }
  .nav-links .btn-nav {
    text-align: center;
    padding: 14px 24px;
  }

  /* Hero */
  .hero {
    min-height: auto;
    padding-top: calc(var(--nav-height) + 32px);
    padding-bottom: 32px;
  }
  .hero h1 { font-size: 2rem; }
  .hero-sub { font-size: 1rem; }
  .btn-lg {
    padding: 14px 28px;
    font-size: 1rem;
    width: 100%;
  }

  /* Stats */
  .stats-inner {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }
  .stat-number { font-size: 2rem; }

  /* Products */
  .product-grid {
    grid-template-columns: 1fr;
  }
  .product-card.featured {
    grid-row: auto;
  }

  /* Features */
  .feature-grid {
    grid-template-columns: 1fr;
  }

  /* Why */
  .why-grid {
    grid-template-columns: 1fr;
  }

  /* Usecases */
  .usecase-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  /* CTA */
  .cta-inner {
    padding: 48px 24px;
  }
  .cta-inner h2 { font-size: 1.5rem; }

  /* Contact */
  .contact-grid {
    grid-template-columns: 1fr;
  }

  /* Footer */
  .footer-links {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }

  .hero h1 { font-size: 1.75rem; }

  .hero-actions {
    flex-direction: column;
  }

  .stats-inner {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

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

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

/* Focus styles for accessibility */
a:focus-visible,
button:focus-visible,
summary:focus-visible,
details:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
  .fade-in { opacity: 1; transform: none; }
}

/* High contrast mode */
@media (prefers-contrast: high) {
  :root {
    --border: #94A3B8;
    --text-secondary: #334155;
    --text-muted: #475569;
  }
  .product-badge.launched { border: 1px solid #059669; }
  .product-badge.soon { border: 1px solid #92400E; }
}

/* Print */
@media print {
  .nav, .cta-banner, .hero-visual { display: none; }
  .hero { min-height: auto; padding-top: 32px; }
  .section { padding: 32px 0; }
  body { color: #000; background: #fff; }
}