@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 400 800;
  font-display: swap;
  src: url(/fonts/inter-latin.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

:root {
  --bg: #0a0e17;
  --bg-elev: #111723;
  --bg-card: #131a28;
  --border: #1f2937;
  --border-strong: #2b3648;
  --text: #f1f5f9;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  --accent: #3b82f6;
  --accent-hover: #60a5fa;
  --accent-soft: rgba(59, 130, 246, 0.12);
  --nav-bg: rgba(10, 14, 23, 0.8);
  --hero-glow: rgba(59, 130, 246, 0.18);
  --highlight-from: #93c5fd;
  --card-shadow: rgba(0, 0, 0, 0.6);
  --logo-mark: var(--text);
  --radius: 14px;
  --max: 1140px;
  color-scheme: dark;
}

:root[data-theme="light"] {
  --bg: #f8fafc;
  --bg-elev: #ffffff;
  --bg-card: #ffffff;
  --border: #e2e8f0;
  --border-strong: #cbd5e1;
  --text: #0f172a;
  --text-muted: #475569;
  --text-dim: #64748b;
  --accent: #2563eb;
  --accent-hover: #1d4ed8;
  --accent-soft: rgba(37, 99, 235, 0.08);
  --nav-bg: rgba(248, 250, 252, 0.8);
  --hero-glow: rgba(37, 99, 235, 0.12);
  --highlight-from: #1e3a8a;
  --card-shadow: rgba(15, 23, 42, 0.15);
  --logo-mark: #0b2257;
  color-scheme: light;
}

body, .nav, .card, .why-item, .btn-secondary {
  transition: background-color 0.3s, border-color 0.3s, color 0.3s;
}

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

html { scroll-behavior: smooth; scroll-padding-top: 80px; }

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

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

a:focus-visible, button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 6px;
}

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

/* ---------- Navigation ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--nav-bg);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.125rem;
  letter-spacing: -0.02em;
}

.logo-mark {
  width: 30px;
  height: auto;
  flex-shrink: 0;
  color: var(--logo-mark);
}

/* ---------- Theme toggle ---------- */
.theme-toggle,
.nav-menu-btn {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  border: 1px solid var(--border-strong);
  background: var(--bg-elev);
  color: var(--text-muted);
  cursor: pointer;
  transition: color 0.2s, border-color 0.2s, background-color 0.3s;
}

.theme-toggle:hover,
.nav-menu-btn:hover { color: var(--text); border-color: var(--text-dim); }
.theme-toggle svg,
.nav-menu-btn svg { width: 18px; height: 18px; }

.nav-menu-btn { display: none; }
.nav-menu-btn .icon-close { display: none; }
.nav-menu-btn[aria-expanded="true"] .icon-menu { display: none; }
.nav-menu-btn[aria-expanded="true"] .icon-close { display: block; }

/* ---------- Skip link ---------- */
.skip-link {
  position: absolute;
  top: 12px;
  left: 12px;
  z-index: 200;
  padding: 10px 16px;
  border-radius: 8px;
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  transform: translateY(-200%);
  transition: transform 0.2s;
}

.skip-link:focus { transform: translateY(0); }

main:focus { outline: none; }
.theme-toggle .icon-sun { display: none; }
:root[data-theme="light"] .theme-toggle .icon-sun { display: block; }
:root[data-theme="light"] .theme-toggle .icon-moon { display: none; }

.logo-mark .logo-accent { fill: var(--accent); }

.logo span.ai { color: var(--accent); }

.nav-actions {
  display: flex;
  align-items: center;
  gap: 20px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}

.nav-links a {
  display: inline-block;
  padding: 8px 0;
  font-size: 0.925rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: color 0.2s;
}

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

.nav-links .nav-cta {
  padding: 8px 16px;
  border-radius: 8px;
  background: var(--accent);
  color: #fff !important;
  transition: background 0.2s;
}

.nav-cta:hover { background: var(--accent-hover); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: 136px 0 120px;
  overflow: hidden;
  text-align: center;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 50% 0%, var(--hero-glow), transparent 70%);
  pointer-events: none;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 56px 56px;
  opacity: 0.25;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 20%, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 20%, #000 30%, transparent 75%);
  pointer-events: none;
}

.hero .container { position: relative; z-index: 1; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  background: var(--bg-elev);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-muted);
  margin-bottom: 28px;
}

.eyebrow .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 10px var(--accent);
}

.hero h1 {
  font-size: clamp(2.5rem, 6vw, 4.25rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.035em;
  max-width: 860px;
  margin: 0 auto 24px;
}

.hero h1 .highlight {
  background: linear-gradient(135deg, var(--highlight-from) 0%, var(--accent) 60%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero p.sub {
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  color: var(--text-muted);
  max-width: 680px;
  margin: 0 auto 40px;
}

.btn-row {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 26px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 0.975rem;
  transition: background 0.2s, border-color 0.2s, transform 0.2s;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 8px 24px -8px rgba(59, 130, 246, 0.6);
}

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

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

.btn-secondary:hover { border-color: var(--text-dim); }

.btn svg { width: 16px; height: 16px; }

/* ---------- Sections ---------- */
section { padding: 104px 0; }

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

.section-label {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin-bottom: 12px;
}

.section-head h2 {
  font-size: clamp(1.875rem, 4vw, 2.625rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 16px;
}

.section-head p {
  color: var(--text-muted);
  font-size: 1.075rem;
}

/* ---------- Products ---------- */
.products { border-top: 1px solid var(--border); }

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

.card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 32px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color 0.25s, transform 0.25s, box-shadow 0.25s;
}

.card::before {
  content: "";
  position: absolute;
  top: 0; left: 24px; right: 24px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0;
  transition: opacity 0.25s;
}

.card:hover {
  border-color: var(--border-strong);
  transform: translateY(-4px);
  box-shadow: 0 20px 40px -20px var(--card-shadow), 0 0 0 1px rgba(59, 130, 246, 0.12);
}

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

.card-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--accent-soft);
  border: 1px solid rgba(59, 130, 246, 0.25);
  display: grid;
  place-items: center;
  margin-bottom: 24px;
  color: var(--accent);
}

.card-icon svg { width: 24px; height: 24px; }

.card-tag {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-dim);
  margin-bottom: 6px;
}

.card h3 {
  font-size: 1.375rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 10px;
}

.card .tagline {
  font-weight: 600;
  color: var(--text);
  margin-bottom: 12px;
  font-size: 0.975rem;
}

.card .desc {
  color: var(--text-muted);
  font-size: 0.925rem;
  margin-bottom: 28px;
  flex-grow: 1;
}

.card-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.card-link {
  display: inline-flex;
  padding: 4px 0;
  align-items: center;
  gap: 6px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--accent);
  transition: gap 0.2s, color 0.2s;
}

.card-link:hover { color: var(--accent-hover); gap: 10px; }

.card-link svg { width: 14px; height: 14px; }

.card-status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-dim);
}

.card-status::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--text-dim);
}

/* ---------- Why ---------- */
.why {
  background: var(--bg-elev);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.why-item {
  background: var(--bg-elev);
  padding: 36px 32px;
  transition: background 0.25s;
}

.why-item:hover { background: var(--bg-card); }

.why-num {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 16px;
  font-variant-numeric: tabular-nums;
}

.why-item h3 {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.015em;
  margin-bottom: 10px;
}

.why-item p {
  color: var(--text-muted);
  font-size: 0.925rem;
}

/* ---------- CTA band ---------- */
.cta-band { text-align: center; }

.cta-band h2 {
  font-size: clamp(1.75rem, 3.5vw, 2.25rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 14px;
}

.cta-band p {
  color: var(--text-muted);
  margin-bottom: 32px;
  font-size: 1.05rem;
}

/* ---------- Footer ---------- */
footer {
  border-top: 1px solid var(--border);
  padding: 56px 0 40px;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 40px;
  flex-wrap: wrap;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--border);
}

.footer-brand p {
  color: var(--text-dim);
  font-size: 0.9rem;
  margin-top: 12px;
  max-width: 320px;
}

.footer-col h3 {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-dim);
  margin-bottom: 16px;
}

.footer-col ul { list-style: none; }

.footer-col li { margin-bottom: 4px; }

.footer-col a, .footer-col span {
  display: inline-block;
  padding: 4px 0;
  color: var(--text-muted);
  font-size: 0.925rem;
  transition: color 0.2s;
}

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

.footer-bottom {
  padding-top: 28px;
  color: var(--text-dim);
  font-size: 0.85rem;
}

.footer-bottom a {
  display: inline-block;
  padding: 4px 0;
  color: var(--text-muted);
  text-decoration: underline;
  text-underline-offset: 3px;
}

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

/* ---------- Legal pages ---------- */
.legal { padding: 72px 0 96px; }
.legal .container { max-width: 760px; }
.legal h1 {
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
}
.legal-updated { color: var(--text-dim); font-size: 0.9rem; margin: 8px 0 32px; }
.legal h2 {
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin: 40px 0 12px;
}
.legal p { color: var(--text-muted); margin-bottom: 14px; }
.legal p strong { color: var(--text); font-weight: 600; }
.legal a { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; }
.legal a:hover { color: var(--accent-hover); }
.legal-back { margin-top: 48px; }

/* ---------- Early-access form ---------- */
.ea-form {
  max-width: 720px;
  margin: 36px auto 0;
  padding: 28px;
  text-align: left;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.ea-fields {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 20px;
}
.ea-field:first-child { grid-column: 1 / -1; }
.ea-field label {
  display: block;
  margin-bottom: 6px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text);
}
.ea-req { color: var(--accent); }
.ea-opt { color: var(--text-dim); font-weight: 400; }
.ea-field input,
.ea-field select {
  width: 100%;
  padding: 12px 14px;
  font: inherit;
  font-size: 1rem; /* 16px+ stops iOS zooming on focus */
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--border-strong);
  border-radius: 10px;
}
.ea-field input:focus-visible,
.ea-field select:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
  border-color: var(--accent);
}
.ea-hp {
  position: absolute;
  left: -10000px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}
.ea-form .btn { border: 0; cursor: pointer; }
.ea-form .btn:disabled { opacity: 0.6; cursor: progress; }
.ea-status { min-height: 1.5em; margin-top: 14px; font-size: 0.925rem; color: var(--text-muted); }
.ea-status.is-ok { color: var(--text); }
.ea-status.is-error { color: #f87171; }
:root[data-theme="light"] .ea-status.is-error { color: #b91c1c; }
.ea-alt { margin-top: 6px; font-size: 0.875rem; color: var(--text-dim); }
.ea-alt a { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; }

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .card-grid { grid-template-columns: 1fr 1fr; }
  .card-grid .card:last-child { grid-column: span 2; }
  .why-grid { grid-template-columns: 1fr; }
}

@media (max-width: 860px) {
  .nav-actions { gap: 10px; }
  .nav-menu-btn { display: grid; }

  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px 24px 20px;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    box-shadow: 0 16px 32px -16px var(--card-shadow);
  }

  .nav-links.open { display: flex; }

  .nav-links a {
    display: block;
    padding: 14px 0;
    border-bottom: 1px solid var(--border);
    font-size: 1rem;
  }

  .nav-links li:last-child a { border-bottom: 0; }

  .nav-links .nav-cta {
    margin-top: 16px;
    padding: 12px 16px;
    text-align: center;
  }
}

@media (max-width: 680px) {
  .hero { padding: 96px 0 88px; }
  section { padding: 80px 0; }
  .card-grid { grid-template-columns: 1fr; }
  .card-grid .card:last-child { grid-column: auto; }
  .card { padding: 28px 24px; }
  .footer-top { flex-direction: column; }
  .ea-form { padding: 22px 18px; }
  .ea-fields { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}