:root {
  --oak: oklch(31% 0.073 155);
  --oak-deep: oklch(22% 0.05 158);
  --oak-hover: oklch(37% 0.086 155);
  --leaf: oklch(45% 0.1 150);
  --mist: oklch(96.8% 0.017 145);
  --mist-strong: oklch(92.2% 0.038 145);
  --paper: oklch(99.1% 0.008 90);
  --paper-warm: oklch(97.6% 0.015 88);
  --ink: oklch(20.5% 0.035 258);
  --muted: oklch(43.8% 0.035 255);
  --soft: oklch(55% 0.03 255);
  --line: oklch(83.6% 0.023 155);
  --amber: oklch(86% 0.11 78);
  --shadow: 0 18px 48px oklch(20.5% 0.035 258 / 0.12);
  --shadow-soft: 0 6px 20px oklch(20.5% 0.035 258 / 0.08);
  --max: 1140px;
  --r: 14px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: Geist, "Helvetica Neue", Arial, sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img, video { max-width: 100%; display: block; }
a { color: inherit; }

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

.skip {
  position: absolute; left: -999px; top: 0; z-index: 100;
  background: var(--oak); color: #fff; padding: 10px 16px; border-radius: 0 0 8px 0;
}
.skip:focus { left: 0; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  height: 46px; padding: 0 22px; border-radius: 10px;
  font-size: 0.95rem; font-weight: 600; text-decoration: none;
  border: 1px solid transparent; transition: background-color .2s, transform .2s, border-color .2s;
}
.btn-primary { background: var(--oak); color: var(--paper); }
.btn-primary:hover { background: var(--oak-hover); transform: translateY(-1px); }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn-ghost:hover { background: var(--mist); }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: oklch(99.1% 0.008 90 / 0.85);
  backdrop-filter: saturate(1.2) blur(8px);
  border-bottom: 1px solid var(--line);
}
.header-inner { display: flex; align-items: center; gap: 24px; height: 68px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 700; letter-spacing: -0.02em; text-decoration: none; font-size: 1.1rem; }
.nav { display: flex; gap: 22px; margin-left: auto; }
.nav a { color: var(--muted); text-decoration: none; font-size: 0.92rem; font-weight: 500; }
.nav a:hover { color: var(--ink); }
.header-cta { height: 40px; padding: 0 16px; }

/* Hero */
.hero { padding: clamp(48px, 8vw, 104px) 0 clamp(40px, 6vw, 80px); }
.hero-grid { display: grid; grid-template-columns: 1fr; gap: clamp(32px, 5vw, 56px); align-items: center; justify-items: center; text-align: center; }
.hero-copy { max-width: 760px; }
.hero-copy .lede { margin-left: auto; margin-right: auto; }
.kicker { font-size: 0.78rem; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: var(--leaf); margin: 0 0 14px; }
.hero h1 { font-size: clamp(2.4rem, 5.4vw, 4.1rem); line-height: 1.04; letter-spacing: -0.035em; font-weight: 600; margin: 0 0 22px; }
.lede { font-size: clamp(1.05rem, 1.6vw, 1.25rem); color: var(--muted); max-width: 60ch; margin: 0 0 28px; }
.hero-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; margin-bottom: 22px; }
.hero-trust { font-size: 0.85rem; color: var(--soft); margin: 0; }
.hero-media { margin: 0; width: 100%; max-width: 1100px; border-radius: var(--r); overflow: hidden; box-shadow: var(--shadow); border: 1px solid var(--line); }
.hero-video { display: block; width: 100%; aspect-ratio: 16 / 9; object-fit: contain; background: var(--oak-deep); }

/* Sections */
.band { padding: clamp(56px, 8vw, 96px) 0; }
.band.alt { background: var(--paper-warm); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section-title { font-size: clamp(1.7rem, 3.2vw, 2.5rem); letter-spacing: -0.03em; font-weight: 600; margin: 0 0 14px; }
.section-lede { font-size: 1.1rem; color: var(--muted); max-width: 64ch; margin: 0 0 40px; }

/* Frameworks grid */
.fw-grid { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 18px; }
.fw-card { background: var(--paper-warm); border: 1px solid var(--line); border-radius: var(--r); padding: 24px; }
.fw-card h3 { margin: 0 0 8px; font-size: 1.2rem; letter-spacing: -0.02em; }
.fw-card p { margin: 0 0 16px; color: var(--muted); font-size: 0.95rem; }
.fw-tag { font-family: "Geist Mono", monospace; font-size: 0.72rem; color: var(--leaf); border: 1px solid var(--line); border-radius: 999px; padding: 4px 10px; }

/* Split sections */
.split { padding: clamp(56px, 8vw, 100px) 0; }
.split.alt { background: var(--paper-warm); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.split-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: clamp(32px, 5vw, 72px); align-items: center; }
.split-grid.reverse .split-copy { order: 2; }
.split-grid.reverse .shot { order: 1; }
.split-copy h2 { font-size: clamp(1.6rem, 3vw, 2.3rem); letter-spacing: -0.03em; font-weight: 600; margin: 0 0 16px; }
.split-copy p { color: var(--muted); margin: 0 0 20px; max-width: 52ch; }
.ticks { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
.ticks li { position: relative; padding-left: 30px; color: var(--ink); font-weight: 500; }
.ticks li::before {
  content: ""; position: absolute; left: 0; top: 4px; width: 18px; height: 18px;
  border-radius: 6px; background: var(--mist-strong);
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23316b4e' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'><path d='M5 12l4 5 10-12'/></svg>");
  background-size: 14px; background-position: center; background-repeat: no-repeat;
}
.shot { margin: 0; border-radius: var(--r); overflow: hidden; border: 1px solid var(--line); box-shadow: var(--shadow); }
.shot img { width: 100%; }

/* Workflow flow */
.flow { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 16px; counter-reset: step; }
.flow li { background: var(--paper); border: 1px solid var(--line); border-radius: var(--r); padding: 22px; display: flex; flex-direction: column; gap: 6px; }
.flow li span { display: inline-flex; width: 34px; height: 34px; align-items: center; justify-content: center; border-radius: 999px; background: var(--oak); color: var(--paper); font-weight: 600; margin-bottom: 8px; }
.flow li strong { font-size: 1.1rem; letter-spacing: -0.01em; }
.flow li em { font-style: normal; color: var(--muted); font-size: 0.9rem; }

/* Screenshots gallery */
.shots { padding: clamp(56px, 8vw, 96px) 0; }
.gallery { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 20px; }
.gallery figure { margin: 0; border: 1px solid var(--line); border-radius: var(--r); overflow: hidden; background: var(--paper-warm); box-shadow: var(--shadow-soft); transition: transform .25s, box-shadow .25s; }
.gallery figure:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.gallery img { width: 100%; border-bottom: 1px solid var(--line); }
.gallery figcaption { padding: 12px 16px; font-size: 0.85rem; font-weight: 500; color: var(--muted); }

/* Deployment */
.deploy-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 18px; }
.deploy { background: var(--paper); border: 1px solid var(--line); border-radius: var(--r); padding: 26px; }
.deploy h3 { margin: 0 0 10px; font-size: 1.2rem; letter-spacing: -0.02em; }
.deploy p { margin: 0; color: var(--muted); font-size: 0.95rem; }

/* CTA */
.cta { padding: clamp(64px, 9vw, 110px) 0; background: var(--oak-deep); color: var(--paper); }
.cta-inner { text-align: center; }
.cta h2 { font-size: clamp(1.8rem, 3.6vw, 2.7rem); letter-spacing: -0.03em; margin: 0 0 12px; font-weight: 600; }
.cta p { color: oklch(80% 0.03 150); margin: 0 0 28px; font-size: 1.1rem; }
.cta .btn-primary { background: var(--paper); color: var(--oak-deep); }
.cta .btn-primary:hover { background: var(--mist-strong); }

/* Footer */
.site-footer { border-top: 1px solid var(--line); padding: 36px 0; background: var(--paper-warm); }
.footer-inner { display: flex; flex-wrap: wrap; gap: 16px; align-items: center; justify-content: space-between; }
.footer-inner p { margin: 0; color: var(--soft); font-size: 0.85rem; }

/* Reveal motion */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s cubic-bezier(0.16, 1, 0.3, 1), transform .7s cubic-bezier(0.16, 1, 0.3, 1); }
.reveal.in { opacity: 1; transform: none; }

/* Responsive */
@media (max-width: 900px) {
  .hero-grid, .split-grid { grid-template-columns: 1fr; }
  .split-grid.reverse .split-copy, .split-grid.reverse .shot { order: 0; }
  .nav { display: none; }
}
@media (max-width: 520px) {
  .header-cta { display: none; }
  .hero h1 br { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .btn:hover, .gallery figure:hover { transform: none; }
}

/* Sub-page links + footer nav */
.fw-link { display: inline-block; margin-top: 4px; font-size: 0.9rem; font-weight: 600; color: var(--oak); text-decoration: none; }
.fw-link:hover { color: var(--oak-hover); }
.footer-nav { display: flex; flex-wrap: wrap; gap: 16px; }
.footer-nav a { color: var(--muted); text-decoration: none; font-size: 0.88rem; }
.footer-nav a:hover { color: var(--ink); }

/* Image lightbox */
img.zoomable { cursor: zoom-in; }
.lightbox {
  position: fixed; inset: 0; z-index: 100;
  display: flex; align-items: center; justify-content: center;
  background: oklch(15% 0.02 150 / 0.88);
  padding: 4vmin; cursor: zoom-out;
}
.lightbox[hidden] { display: none; }
.lightbox-img {
  max-width: 96vw; max-height: 92vh;
  border-radius: 10px; box-shadow: 0 30px 80px oklch(0% 0 0 / 0.5);
  border: 1px solid oklch(100% 0 0 / 0.1);
}
.lightbox-close {
  position: absolute; top: 18px; right: 22px;
  width: 44px; height: 44px; border-radius: 999px;
  border: 1px solid oklch(100% 0 0 / 0.25); background: oklch(100% 0 0 / 0.1);
  color: #fff; font-size: 26px; line-height: 1; cursor: pointer;
}
.lightbox-close:hover { background: oklch(100% 0 0 / 0.2); }
.lightbox-close:focus-visible { outline: 2px solid #fff; outline-offset: 2px; }

/* Prose (articles, glossary) */
.prose { max-width: 760px; margin: 0 auto; }
.prose h2 { font-size: 1.5rem; margin: 2.2rem 0 0.6rem; line-height: 1.25; }
.prose h3 { font-size: 1.15rem; margin: 1.6rem 0 0.4rem; }
.prose p, .prose li { color: var(--ink); }
.prose ul, .prose ol { padding-left: 1.2rem; }
.prose li { margin: 0.3rem 0; }
.prose a { color: var(--oak); text-decoration: underline; text-underline-offset: 2px; }
.prose a:hover { color: var(--oak-hover); }
.prose strong { font-weight: 600; }
.prose blockquote {
  margin: 1.4rem 0; padding: 0.6rem 1.1rem; border-left: 3px solid var(--leaf);
  background: var(--mist); border-radius: 0 10px 10px 0; color: var(--muted);
}
.post-meta { color: var(--soft); font-size: 0.85rem; font-family: "Geist Mono", monospace; margin: 0 0 0.4rem; }
.callout {
  margin: 1.6rem auto; max-width: 760px; padding: 1rem 1.2rem;
  background: var(--paper-warm); border: 1px solid var(--line); border-radius: var(--r);
  font-size: 0.95rem; color: var(--muted);
}

/* Resources / article list */
.post-list { display: grid; gap: 18px; max-width: 820px; margin: 0 auto; }
.post-card {
  display: block; padding: 22px 24px; background: var(--paper);
  border: 1px solid var(--line); border-radius: var(--r);
  text-decoration: none; color: var(--ink); transition: border-color .2s, transform .2s, box-shadow .2s;
}
.post-card:hover { border-color: var(--leaf); transform: translateY(-2px); box-shadow: var(--shadow-soft); }
.post-card h3 { margin: 0.2rem 0 0.4rem; font-size: 1.2rem; }
.post-card p { margin: 0; color: var(--muted); font-size: 0.95rem; }

/* Glossary */
.glossary { display: grid; gap: 14px; max-width: 820px; margin: 0 auto; }
.glossary dt { font-weight: 600; color: var(--oak); margin-top: 0.6rem; }
.glossary dd { margin: 0.2rem 0 0; color: var(--muted); }