:root {
  --bg: #0b1020;
  --surface: #ffffff;
  --text: #0f172a;
  --muted: #6b7280;
  --primary: #5b7cfa;
  --primary-2: #8a5bfa;
  --ring: rgba(91, 124, 250, 0.35);
  --border: #e5e7eb;
  --shadow: 0 10px 30px rgba(2, 6, 23, 0.08), 0 2px 8px rgba(2, 6, 23, 0.06);
}

/* Base */
* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Inter, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  color: var(--text);
  background: #f8fafc;
  line-height: 1.5;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { padding: 0; margin: 0; list-style: none; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

.container { width: min(1120px, 100% - 2rem); margin-inline: auto; }
.section { padding: 5rem 0; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,0.8);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(229, 231, 235, 0.6);
}
.header-inner {
  display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 1rem; height: 64px;
}
.brand { display: inline-flex; align-items: center; gap: .6rem; font-weight: 700; }
.brand-name { letter-spacing: .2px; }

.nav { position: relative; }
.nav-list { display: flex; gap: 1.25rem; }
.nav-list a { color: #334155; font-weight: 500; }
.nav-list a:hover { color: var(--text); }

.nav-toggle { display: none; background: transparent; border: 0; padding: .25rem; cursor: pointer; }
.nav-toggle .bar { display: block; width: 22px; height: 2px; background: #111827; margin: 4px 0; border-radius: 2px; }

.header-cta .btn { margin-left: .5rem; }

/* Language switcher */
.lang-switch { display: inline-flex; background: #fff; border: 1px solid var(--border); border-radius: .75rem; padding: .15rem; gap: .15rem; align-items: center; }
.lang-btn { appearance: none; border: 0; background: transparent; padding: .35rem .55rem; border-radius: .6rem; font-weight: 700; color: #334155; cursor: pointer; }
.lang-btn.is-active { background: #eef2ff; color: #3730a3; box-shadow: inset 0 0 0 1px rgba(99,102,241,.25); }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: .5rem; border: 1px solid var(--border); padding: .7rem 1rem; border-radius: .75rem; font-weight: 600; transition: transform .08s ease, box-shadow .2s ease, background .2s ease; }
.btn:hover { transform: translateY(-1px); box-shadow: var(--shadow); }
.btn:active { transform: translateY(0); }
.btn-primary { color: #fff; background: linear-gradient(135deg, var(--primary), var(--primary-2)); border-color: transparent; box-shadow: 0 10px 20px rgba(91,124,250,.25); }
.btn-ghost { background: #fff; color: #111827; }
.btn-lg { padding: .9rem 1.25rem; font-size: 1.05rem; border-radius: 1rem; }

/* Hero */
.hero { padding-top: 6rem; background: radial-gradient(1200px 600px at 80% -10%, rgba(91,124,250,.20), transparent 60%), radial-gradient(900px 500px at -10% 0%, rgba(138,91,250,.15), transparent 60%); }
.hero-inner { display: grid; grid-template-columns: 1.15fr .85fr; gap: 3rem; align-items: center; }
.hero h1 { font-size: clamp(2rem, 3vw + 1rem, 3rem); line-height: 1.1; margin: 0 0 1rem; letter-spacing: -0.02em; }
.lead { font-size: 1.1rem; color: #334155; }
.hero-actions { display: flex; gap: .75rem; margin-top: 1.25rem; flex-wrap: wrap; }
.hero-badges { display: flex; gap: .5rem; margin-top: 1rem; flex-wrap: wrap; }
.badge { background: #fff; border: 1px solid var(--border); padding: .5rem .7rem; border-radius: 999px; font-size: .9rem; color: #334155; }

.mockup-card { background: #0b1020; color: #c7d2fe; border-radius: 1rem; overflow: hidden; box-shadow: var(--shadow); border: 1px solid rgba(99,102,241,.25); }
.mockup-header { display: flex; gap: .35rem; padding: .75rem; background: linear-gradient(180deg, rgba(255,255,255,.08), rgba(255,255,255,.02)); border-bottom: 1px solid rgba(255,255,255,.08); }
.dot { width: 8px; height: 8px; border-radius: 50%; background: #818cf8; opacity: .8; }
.mockup-body { padding: 1rem .9rem 1.2rem; }
.pill { display: inline-block; font-size: .75rem; color: #0b1020; background: #c7d2fe; border-radius: 999px; padding: .25rem .6rem; font-weight: 700; }
.pill-accent { background: #a5b4fc; }
.pill-neutral { background: #e5e7eb; }
.mockup-body h3 { margin: .6rem 0; font-size: 1rem; color: #e0e7ff; }
.mockup-body p, .mockup-body li { color: #c7d2fe; }
.mockup-body hr { border: 0; border-top: 1px dashed rgba(255,255,255,.15); margin: .8rem 0; }
.list { padding-left: 1rem; list-style: disc; }
.list li::marker { color: #a5b4fc; }

/* Proof */
.proof-inner { text-align: center; }
.overline { color: #64748b; text-transform: uppercase; letter-spacing: .12em; font-weight: 700; font-size: .8rem; margin-bottom: 1rem; }
.logo-row { display: grid; grid-template-columns: repeat(5, 1fr); gap: .75rem; }
.logo-box { background: #fff; border: 1px dashed var(--border); border-radius: .75rem; padding: .9rem; color: #334155; font-weight: 600; }

/* Problem */
.split { display: grid; grid-template-columns: 1.2fr .8fr; gap: 2rem; align-items: start; }
.checklist { display: grid; gap: .6rem; }
.check { display: inline-flex; width: 20px; height: 20px; align-items: center; justify-content: center; background: #dcfce7; color: #166534; border-radius: 50%; font-size: .8rem; margin-right: .5rem; }

/* How it works */
.grid { display: grid; gap: 1rem; }
.grid.two { grid-template-columns: repeat(2, 1fr); }
.grid.three { grid-template-columns: repeat(3, 1fr); }
.card, .feature, .case { background: #fff; border: 1px solid var(--border); border-radius: 1rem; padding: 1.1rem; box-shadow: var(--shadow); }
.icon-circle { width: 40px; height: 40px; border-radius: 999px; display: inline-flex; align-items: center; justify-content: center; background: #eef2ff; color: #3730a3; font-weight: 800; margin-bottom: .4rem; }

/* Benefits */
.benefits h2, .how h2, .use-cases h2, .testimonials h2, .cta h2 { margin-top: 0; }

/* Use cases */
.case h3 { margin: 0 0 .25rem; }
.case p { margin: 0; color: #334155; }

/* Quotes */
.quote { margin: 0; background: #0b1020; color: #e2e8f0; border: 1px solid rgba(99,102,241,.25); border-radius: 1rem; padding: 1rem 1.1rem; box-shadow: var(--shadow); }
.quote cite { display: block; margin-top: .6rem; color: #a5b4fc; font-style: normal; }

/* CTA */
.cta-inner { text-align: center; background: linear-gradient(135deg, rgba(91,124,250,.10), rgba(138,91,250,.10)); border: 1px solid var(--border); border-radius: 1.25rem; padding: 2rem; box-shadow: var(--shadow); }
.cta-actions { display: flex; gap: .75rem; justify-content: center; margin-top: 1rem; flex-wrap: wrap; }

/* Footer */
.site-footer { padding: 2.5rem 0; background: #0b1020; color: #e2e8f0; }
.footer-inner { display: grid; grid-template-columns: auto 1fr; gap: 1rem; align-items: center; }
.footer-links { display: flex; gap: 1rem; justify-content: center; }
.site-footer a { color: #c7d2fe; }
.copyright { grid-column: 1 / -1; text-align: center; color: #94a3b8; margin: .5rem 0 0; }

/* Reveal on scroll */
[data-reveal] { opacity: 0; transform: translateY(12px); transition: opacity .6s ease, transform .6s ease; }
[data-reveal].is-visible { opacity: 1; transform: translateY(0); }

/* Responsive */
@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; }
  .split { grid-template-columns: 1fr; }
  .grid.two { grid-template-columns: 1fr; }
  .grid.three { grid-template-columns: 1fr; }
}

@media (max-width: 760px) {
  .nav-toggle { display: inline-block; }
  .nav-list { position: absolute; right: 0; top: 48px; background: #ffffff; border: 1px solid var(--border); border-radius: .75rem; padding: .5rem; box-shadow: var(--shadow); display: none; }
  .nav-list.is-open { display: grid; gap: .25rem; }
  .header-inner { grid-template-columns: auto auto 1fr; }
  .header-cta .btn { display: none; }
}

/* Focus ring */
*:focus-visible { outline: 3px solid var(--ring); outline-offset: 2px; border-radius: 4px; }