/* ── Full-page shell (Langfuse-style) ── */

html, body {
  width: 100%;
  overflow-x: hidden;
}

.landing {
  width: 100%;
  min-height: 100vh;
  position: relative;
  isolation: isolate;
}

/* Ambient grid + glow */
.landing::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(30, 48, 80, 0.35) 1px, transparent 1px),
    linear-gradient(90deg, rgba(30, 48, 80, 0.35) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(ellipse 100% 80% at 50% -10%, #000 20%, transparent 72%);
  -webkit-mask-image: radial-gradient(ellipse 100% 80% at 50% -10%, #000 20%, transparent 72%);
}

.landing::after {
  content: '';
  position: fixed;
  top: -30vh;
  left: 50%;
  transform: translateX(-50%);
  width: min(1400px, 120vw);
  height: 70vh;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse 55% 45% at 30% 40%, rgba(8, 145, 178, 0.18), transparent 70%),
    radial-gradient(ellipse 45% 40% at 72% 35%, rgba(34, 211, 238, 0.08), transparent 65%);
}

.landing > * {
  position: relative;
  z-index: 1;
}

/* ── Nav: edge-to-edge bar, centered content ── */
.landing-nav {
  width: 100%;
  padding: 0 clamp(20px, 4vw, 48px);
  border-bottom: 1px solid rgba(30, 48, 80, 0.8);
  background: rgba(7, 13, 26, 0.75);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.landing-nav-inner {
  max-width: 1320px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 0;
}

/* ── Hero: fill viewport ── */
.landing-hero {
  width: 100%;
  max-width: none;
  min-height: calc(100svh - 58px);
  margin: 0;
  padding: clamp(40px, 6vh, 72px) clamp(20px, 4vw, 48px) clamp(48px, 8vh, 80px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.landing-hero h1 {
  max-width: 920px;
  font-size: clamp(32px, 5.5vw, 56px);
  line-height: 1.08;
}

.landing-hero-lead {
  max-width: 720px;
  font-size: clamp(16px, 2.2vw, 20px);
}

.landing-hero-logo {
  width: min(100%, 320px);
}

.landing-hero .hero-viz-wrap,
.landing-hero .landing-stats {
  width: 100%;
  max-width: min(1280px, 100%);
}

/* ── Sections: full-bleed bands ── */
.landing-section {
  width: 100%;
  max-width: none;
  margin: 0;
  padding: clamp(56px, 8vw, 96px) clamp(20px, 4vw, 48px);
}

.landing-section > * {
  max-width: 1320px;
  margin-left: auto;
  margin-right: auto;
}

.landing-section.alt {
  background: linear-gradient(
    180deg,
    rgba(13, 22, 39, 0) 0%,
    rgba(13, 22, 39, 0.85) 18%,
    rgba(13, 22, 39, 0.85) 82%,
    rgba(13, 22, 39, 0) 100%
  );
  border-top: 1px solid rgba(30, 48, 80, 0.5);
  border-bottom: 1px solid rgba(30, 48, 80, 0.5);
}

.landing-section-hdr {
  margin-bottom: clamp(28px, 4vw, 40px);
}

.landing-section-hdr h2 {
  font-size: clamp(26px, 3.5vw, 38px);
}

.landing-section-hdr p {
  max-width: 780px;
  font-size: clamp(15px, 1.8vw, 17px);
}

/* Stats row spans wider */
.landing-stats {
  max-width: 1100px;
  width: 100%;
  gap: clamp(10px, 2vw, 16px);
}

.landing-stat {
  padding: clamp(16px, 2.5vw, 24px) clamp(14px, 2vw, 20px);
}

.landing-stat-val {
  font-size: clamp(24px, 4vw, 36px);
}

/* ── Footer: full width ── */
.landing-footer {
  width: 100%;
  padding: clamp(48px, 8vw, 80px) clamp(20px, 4vw, 48px) clamp(56px, 8vw, 96px);
  background: linear-gradient(180deg, transparent, rgba(7, 13, 26, 0.6));
  border-top: 1px solid var(--b0);
}

.landing-footer > p {
  max-width: 640px;
}

/* ── Docs page ── */
.docs-page-banner {
  width: 100%;
  padding: clamp(48px, 8vw, 72px) clamp(20px, 4vw, 48px) clamp(32px, 5vw, 48px);
  text-align: center;
  border-bottom: 1px solid rgba(30, 48, 80, 0.6);
  background: linear-gradient(180deg, rgba(8, 145, 178, 0.06), transparent);
}

.docs-page-banner h1 {
  font-size: clamp(30px, 5vw, 48px);
  letter-spacing: -0.03em;
  margin-bottom: 12px;
}

.docs-page-banner p {
  color: var(--muL);
  font-size: clamp(15px, 2vw, 18px);
  line-height: 1.65;
  max-width: 640px;
  margin: 0 auto;
}

.docs-layout {
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  grid-template-columns: minmax(220px, 260px) minmax(0, 1fr);
  gap: clamp(24px, 4vw, 48px);
  padding: clamp(32px, 5vw, 48px) clamp(20px, 4vw, 48px) clamp(64px, 8vw, 96px);
  min-height: calc(100svh - 58px);
}

.docs-main {
  max-width: none;
}

.docs-hero {
  display: none;
}

.doc-section h2 {
  font-size: clamp(20px, 2.5vw, 26px);
}

@media (max-width: 900px) {
  .landing-hero {
    min-height: auto;
    padding-top: 48px;
    padding-bottom: 56px;
  }

  .docs-layout {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .docs-main {
    max-width: none;
  }
}

/* Grids use full section width */
.how-grid,
.phil-viz-row,
.signal-demo,
.landing-philosophy,
.landing-gap-grid,
.landing-examples,
.landing-table-wrap,
.landing-why-grid,
.landing-deploy {
  width: 100%;
}

.how-step,
.landing-deploy-card,
.landing-why-card {
  padding: clamp(18px, 2.5vw, 28px);
}

.landing-table { font-size: clamp(12px, 1.2vw, 14px); }
.landing-table th, .landing-table td { padding: clamp(10px, 1.5vw, 14px) clamp(12px, 2vw, 18px); }

@media (min-width: 1400px) {
  .landing-stats { max-width: 1200px; }
  .hero-viz-wrap { max-width: 1280px; }
}

.docs-page-banner {
  scroll-margin-top: 72px;
}