:root {
  color-scheme: dark;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #090b0d;
  color: #f6f7f8;
  letter-spacing: 0;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: #090b0d; color: #f6f7f8; }
a { color: inherit; text-decoration: none; }

.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 20;
  min-height: 64px;
  display: grid;
  grid-template-columns: minmax(180px, 1fr) auto minmax(180px, 1fr);
  align-items: center;
  gap: 24px;
  padding: 0 4vw;
  border-bottom: 1px solid rgba(255,255,255,.09);
  background: rgba(8,10,12,.9);
  backdrop-filter: blur(18px);
}
.brand, .header-actions, .site-header nav { display: flex; align-items: center; }
.brand { gap: 10px; font-weight: 750; }
.brand-mark { display: grid; place-items: center; width: 30px; height: 30px; border-radius: 6px; background: #2dd4a4; color: #07120f; }
.site-header nav { gap: 24px; }
.site-header nav a, .language, .login { font-size: 13px; color: #c8cdd2; }
.site-header nav a:hover, .language:hover { color: #fff; }
.header-actions { justify-content: flex-end; gap: 16px; }
.login { padding: 9px 13px; border: 1px solid rgba(255,255,255,.18); border-radius: 6px; color: #fff; }

.feature-hero {
  position: relative;
  min-height: min(760px, 88vh);
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  background: #101316 var(--hero-image) center/cover no-repeat;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.hero-overlay { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(5,7,9,.97) 0%, rgba(5,7,9,.82) 44%, rgba(5,7,9,.18) 100%), linear-gradient(0deg, rgba(5,7,9,.85), transparent 55%); }
.hero-content { position: relative; z-index: 1; width: min(760px, 88vw); margin: 0 0 8vh max(4vw, calc((100vw - 1180px)/2)); }
.eyebrow { margin: 0 0 14px; color: #5ee0b9; font: 700 12px/1.2 ui-monospace, SFMono-Regular, Menlo, monospace; text-transform: uppercase; letter-spacing: .08em; }
h1 { max-width: 850px; margin: 0; font-size: clamp(42px, 5.8vw, 78px); line-height: .99; letter-spacing: 0; }
.hero-lead { max-width: 690px; margin: 24px 0 0; color: #d4d8dc; font-size: clamp(17px, 1.45vw, 21px); line-height: 1.55; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.primary, .secondary { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 0 18px; border-radius: 6px; font-size: 14px; font-weight: 750; }
.primary { background: #2dd4a4; color: #07120f; }
.primary:hover { background: #5ee0b9; }
.secondary { border: 1px solid rgba(255,255,255,.22); background: rgba(7,9,11,.5); color: #fff; }
.image-caption { position: absolute; right: 4vw; bottom: 24px; z-index: 1; max-width: 300px; color: rgba(255,255,255,.55); font-size: 11px; text-align: right; }

.proof-band { padding: 32px 4vw; background: #101316; border-bottom: 1px solid rgba(255,255,255,.08); }
.proof-inner { width: min(1180px, 100%); margin: auto; }
.proof-inner ul { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; margin: 0; padding: 0; list-style: none; }
.proof-inner li { min-height: 58px; padding: 8px 22px; border-left: 1px solid rgba(255,255,255,.12); color: #d9dde0; font-size: 14px; line-height: 1.45; }
.proof-inner li:first-child { padding-left: 0; border-left: 0; }

.section-heading { width: min(1180px, 92vw); margin: 0 auto; padding: 100px 0 55px; }
.section-heading h2 { max-width: 800px; margin: 0; font-size: clamp(32px, 4vw, 56px); line-height: 1.05; }
.content-band { padding: 72px 4vw; border-top: 1px solid rgba(255,255,255,.08); }
.content-band-muted { background: #0d1012; }
.content-grid { width: min(1180px, 100%); margin: auto; display: grid; grid-template-columns: minmax(90px, .35fr) 2fr; gap: 40px; }
.section-index { margin: 5px 0 0; color: #626b72; font: 500 14px ui-monospace, SFMono-Regular, Menlo, monospace; }
.content-grid h2 { margin: 0; max-width: 780px; font-size: clamp(27px, 3vw, 42px); line-height: 1.1; }
.content-grid div > p { max-width: 790px; margin: 20px 0 0; color: #aeb6bc; font-size: 18px; line-height: 1.7; }

.final-cta { width: min(1180px, 92vw); margin: 0 auto; padding: 100px 0; display: flex; align-items: flex-end; justify-content: space-between; gap: 40px; }
.final-cta h2 { max-width: 760px; margin: 0; font-size: clamp(32px, 4vw, 56px); line-height: 1.06; }
.final-cta div > p:last-child { max-width: 720px; color: #aeb6bc; font-size: 17px; line-height: 1.65; }
footer { display: flex; justify-content: space-between; gap: 30px; padding: 32px 4vw; border-top: 1px solid rgba(255,255,255,.09); color: #858e95; font-size: 12px; }
footer p { margin: 0; }
footer div { display: flex; gap: 20px; }

@media (max-width: 980px) {
  .site-header { grid-template-columns: 1fr auto; }
  .site-header nav { display: none; }
  .proof-inner ul { grid-template-columns: repeat(2, 1fr); gap: 18px 0; }
  .proof-inner li:nth-child(3) { padding-left: 0; border-left: 0; }
}

@media (max-width: 640px) {
  .site-header { min-height: 58px; padding: 0 16px; }
  .brand-mark { width: 28px; height: 28px; }
  .language { display: none; }
  .login { padding: 8px 10px; }
  .feature-hero { min-height: 780px; }
  .hero-overlay { background: linear-gradient(0deg, rgba(5,7,9,.98) 10%, rgba(5,7,9,.74) 68%, rgba(5,7,9,.2) 100%); }
  .hero-content { width: auto; margin: 0 18px 64px; }
  h1 { font-size: clamp(38px, 12vw, 54px); }
  .image-caption { display: none; }
  .proof-band { padding: 30px 18px; }
  .proof-inner ul { grid-template-columns: 1fr; }
  .proof-inner li, .proof-inner li:nth-child(3) { min-height: auto; padding: 12px 0; border-left: 0; border-top: 1px solid rgba(255,255,255,.1); }
  .section-heading { width: auto; margin: 0 18px; padding: 72px 0 38px; }
  .content-band { padding: 50px 18px; }
  .content-grid { grid-template-columns: 1fr; gap: 16px; }
  .content-grid div > p { font-size: 16px; }
  .final-cta { width: auto; margin: 0 18px; padding: 72px 0; align-items: flex-start; flex-direction: column; }
  footer { flex-direction: column; padding: 28px 18px; }
}

@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }