/* Claake Code web · liquid glass redesign
   Inspired by New page options: fluid background, glass cards, organic palettes. */

:root {
  --serif: "Newsreader", Georgia, serif;
  --sans: "Hanken Grotesk", Inter, system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, monospace;

  --glass-bg: rgba(255, 255, 255, 0.075);
  --glass-bg-strong: rgba(255, 255, 255, 0.13);
  --glass-brd: rgba(255, 255, 255, 0.23);
  --glass-hi: rgba(255, 255, 255, 0.52);
  --glass-blur: 22px;

  --ink: #f6f2e8;
  --ink-soft: rgba(246, 242, 232, 0.68);
  --ink-faint: rgba(246, 242, 232, 0.42);
  --dark: #07110d;
}

:root[data-theme="forest"] {
  --accent: #e7c878;
  --accent-2: #9fe0b0;
  --accent-ink: #11231a;
  --tint: rgba(20, 60, 42, 0.32);
  --bg-grad: radial-gradient(120% 90% at 70% 8%, #2c7d56 0%, #14492f 38%, #0a1a12 78%);
}
:root[data-theme="dusk"] {
  --accent: #f3b079;
  --accent-2: #e98ea0;
  --accent-ink: #24130f;
  --tint: rgba(70, 24, 40, 0.34);
  --bg-grad: radial-gradient(120% 90% at 70% 8%, #c8633f 0%, #7d2f33 40%, #1f0e18 80%);
}
:root[data-theme="tide"] {
  --accent: #f0936f;
  --accent-2: #83ddc9;
  --accent-ink: #071f25;
  --tint: rgba(8, 52, 62, 0.34);
  --bg-grad: radial-gradient(120% 90% at 70% 8%, #1c93a2 0%, #0e5560 40%, #051820 80%);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--sans);
  color: var(--ink);
  background: var(--dark);
  -webkit-font-smoothing: antialiased;
  line-height: 1.55;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img, video { display: block; max-width: 100%; }
button { font: inherit; color: inherit; }

/* ── Loader ───────────────────────────────────────────────────────────────
   Full-screen splash shown until window.load fires + 650 ms minimum.     */
#loader {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(120% 90% at 70% 8%, #2c7d56 0%, #14492f 38%, #0a1a12 78%);
  transition: opacity .55s cubic-bezier(.4,0,.2,1),
              visibility .55s cubic-bezier(.4,0,.2,1);
}
#loader.loader--done {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}
.loader-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
  animation: loader-appear .45s cubic-bezier(.34,1.56,.64,1) both;
}
.loader-logo {
  width: 72px;
  height: 72px;
  border-radius: 20px;
  box-shadow: 0 0 0 1px rgba(255,255,255,.14),
              0 24px 60px rgba(0,0,0,.45);
  animation: loader-breathe 1.8s ease-in-out infinite;
  max-width: unset;
}
.loader-wordmark {
  font-family: var(--sans);
  font-size: .95rem;
  font-weight: 400;
  letter-spacing: .18em;
  color: rgba(246,242,232,.72);
  text-transform: lowercase;
}
.loader-wordmark em {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 300;
  color: rgba(246,242,232,.52);
}
@keyframes loader-appear {
  from { opacity: 0; transform: scale(.88) translateY(8px); }
  to   { opacity: 1; transform: scale(1)   translateY(0);   }
}
@keyframes loader-breathe {
  0%, 100% { transform: scale(1);    opacity: 1; }
  50%       { transform: scale(1.07); opacity: .82; }
}

.bgfallback { position: fixed; inset: 0; z-index: -3; background: var(--bg-grad); transition: background .9s ease; }
#bg {
  position: fixed; inset: 0; width: 100vw; height: 100vh;
  z-index: -2; display: block;
  /* Canvas rendu à 70 % fill-rate, étiré en bilinéaire GPU — net et fluide */
  image-rendering: auto;
}
.veil {
  position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background:
    radial-gradient(120% 80% at 50% -10%, transparent 40%, var(--tint) 100%),
    linear-gradient(180deg, rgba(4,10,8,.16), rgba(4,10,8,.42));
}

.glass {
  background: rgba(255,255,255,.12); /* denser sans blur – perf: évite backdrop-filter sur chaque card */
  border: 1px solid var(--glass-brd);
  border-radius: 28px;
  box-shadow: inset 0 1px 0 var(--glass-hi), inset 0 -18px 44px rgba(0,0,0,.12), 0 26px 70px rgba(0,0,0,.28);
  position: relative;
  overflow: hidden;
}
/* Seule la nav garde le backdrop-filter – 1 seul layer composite */
.nav.glass {
  backdrop-filter: blur(22px) saturate(165%);
  -webkit-backdrop-filter: blur(22px) saturate(165%);
  background: var(--glass-bg);
}
.glass::after {
  content: "";
  position: absolute; inset: 0;
  pointer-events: none; border-radius: inherit;
  background: linear-gradient(150deg, rgba(255,255,255,.16) 0%, transparent 34%, transparent 100%);
}
.wrap { width: min(1160px, calc(100vw - 44px)); margin: 0 auto; }
.mono { font-family: var(--mono); }

.nav {
  position: fixed; top: 12px; left: 50%;
  transform: translateX(-50%) translateY(6px); /* 6px = décalage top 18→12px, compositor-only */
  z-index: 50; width: min(1160px, calc(100vw - 36px));
  display: flex; align-items: center; gap: 16px;
  padding: 10px 12px 10px 18px; border-radius: 999px;
  transition: transform .35s cubic-bezier(.2,.7,.2,1), padding .35s;
  /* width snaps sans transition sur élément fixed → pas de reflow document */
}
.nav.shrunk { width: min(780px, calc(100vw - 36px)); transform: translateX(-50%) translateY(0); padding: 8px 10px 8px 16px; }
.brand { display:flex; align-items:center; gap:10px; white-space: nowrap; }
.brand img { width: 30px; height: 30px; object-fit: contain; } /* drop-shadow retiré: repaint inutile */
.brand strong { font-family: var(--serif); font-weight: 400; font-size: 22px; letter-spacing: -.01em; }
.brand em { font-style: italic; color: var(--accent); }
.version { font-family: var(--mono); font-size: 11px; color: var(--ink-faint); margin-left: 2px; }
.nav-links { display:flex; gap: 2px; margin-left:auto; }
.nav-links a { font-size: 13px; color: var(--ink-soft); padding: 8px 12px; border-radius: 999px; transition: color .2s, background .2s; white-space: nowrap; }
.nav-links a:hover, .nav-links a.active { color: var(--ink); background: var(--glass-bg-strong); }
.nav-cta { font-size: 13px; font-weight: 700; color: var(--accent-ink); background: var(--accent); padding: 9px 16px; border-radius: 999px; box-shadow: inset 0 1px 0 rgba(255,255,255,.42); white-space: nowrap; transition: transform .2s, filter .2s; }
.nav-cta:hover { transform: translateY(-1px); filter: brightness(1.06); }
@media (max-width: 900px) { .nav-links { display: none; } .version { display:none; } }

.eyebrow { font-family: var(--mono); font-size: 12px; letter-spacing: .18em; text-transform: uppercase; color: var(--accent); display: inline-flex; align-items: center; gap: 9px; }
.eyebrow::before { content:""; width: 26px; height: 1px; background: var(--accent); opacity: .72; }
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .85s cubic-bezier(.2,.7,.2,1), transform .85s cubic-bezier(.2,.7,.2,1); will-change: opacity, transform; }
.reveal.in { opacity: 1; transform: none; will-change: auto; } /* will-change libéré après animation */
@media (prefers-reduced-motion: reduce) { .reveal { opacity:1; transform:none; transition:none; } }

.hero { min-height: 100vh; display:flex; flex-direction:column; justify-content:center; padding: 142px 0 80px; }
.hero h1 { font-family: var(--serif); font-weight: 300; font-size: clamp(48px, 8vw, 112px); line-height: .96; letter-spacing: -.035em; margin: 26px 0 0; text-wrap: balance; }
.hero h1 em { color: var(--accent); font-style: italic; }
.lede { max-width: 690px; margin-top: 30px; color: var(--ink-soft); font-size: clamp(18px, 2vw, 22px); font-weight: 300; text-wrap: pretty; }
.hero-cta { display:flex; flex-wrap:wrap; gap: 13px; align-items:center; margin-top: 36px; }
.btn { display:inline-flex; align-items:center; justify-content:center; gap: 10px; padding: 14px 22px; border-radius: 999px; font-size: 15px; font-weight: 700; transition: transform .2s, filter .2s, background .25s; }
.btn-primary { background: var(--accent); color: var(--accent-ink); box-shadow: inset 0 1px 0 rgba(255,255,255,.45), 0 12px 30px rgba(0,0,0,.25); }
.btn-primary:hover, .btn-ghost:hover { transform: translateY(-2px); filter: brightness(1.06); }
.btn-ghost { background: rgba(255,255,255,.10); border: 1px solid var(--glass-brd); color: var(--ink); } /* backdrop-filter retiré: pas de layer composite supplémentaire */
.meta { margin-top: 26px; font-family: var(--mono); font-size: 12px; color: var(--ink-faint); letter-spacing: .04em; }
.meta span { color: var(--ink-soft); }
.citation {
  max-width: 850px;
  margin-top: 28px;
  padding: 18px 22px;
  color: var(--ink-soft);
  font-size: 15.5px;
  font-weight: 300;
}
.citation strong { color: var(--accent); font-family: var(--mono); font-size: 12px; letter-spacing: .08em; text-transform: uppercase; }
.hero-stats { margin-top: 54px; max-width: 880px; display:grid; grid-template-columns: repeat(4, 1fr); overflow:hidden; }
.stat { padding: 23px 24px; border-left: 1px solid var(--glass-brd); }
.stat:first-child { border-left: 0; }
.stat .num { font-family: var(--serif); font-weight: 400; line-height:1; font-size: clamp(32px, 4vw, 50px); }
.stat .num em { color: var(--accent); font-style: italic; }
.stat .lbl { margin-top: 8px; color: var(--ink-soft); font-size: 13px; }
@media (max-width: 760px) { .hero-stats { grid-template-columns:1fr 1fr; } .stat:nth-child(3) { border-left:0; border-top:1px solid var(--glass-brd); } .stat:nth-child(4) { border-top:1px solid var(--glass-brd); } }
@media (max-width: 520px) { .hero-stats { grid-template-columns:1fr; } .stat { border-left:0; border-top:1px solid var(--glass-brd); } .stat:first-child { border-top:0; } }

.page-hero { padding: 168px 0 70px; }
.page-hero .wrap { max-width: 900px; }
.page-hero h1 { font-family: var(--serif); font-weight: 300; font-size: clamp(36px, 6vw, 72px); line-height: 1.02; letter-spacing: -.03em; margin: 20px 0 0; text-wrap: balance; }
.page-hero h1 em { color: var(--accent); font-style: italic; }
.page-hero p { margin-top: 20px; max-width: 640px; color: var(--ink-soft); font-size: clamp(16px, 1.6vw, 19px); font-weight: 300; text-wrap: pretty; }
.page-hero .back-link { display:inline-flex; align-items:center; gap:8px; margin-top:30px; font-family: var(--mono); font-size:12px; color: var(--ink-faint); }
.page-hero .back-link:hover { color: var(--ink); }
@media (max-width: 760px) { .page-hero { padding: 140px 0 50px; } }

.pad { padding: 112px 0; content-visibility: auto; contain-intrinsic-size: 0 700px; }
.pad-sm { padding: 56px 0; content-visibility: auto; contain-intrinsic-size: 0 220px; }
.pad-lg { padding: 150px 0; content-visibility: auto; contain-intrinsic-size: 0 950px; }
@media (max-width: 760px) { .pad-lg { padding: 96px 0; } .pad { padding: 84px 0; } .pad-sm { padding: 40px 0; } }
.shead { max-width: 780px; margin-bottom: 44px; }
.shead h2 { font-family: var(--serif); font-weight: 300; font-size: clamp(34px, 5vw, 62px); line-height: 1.02; letter-spacing: -.02em; margin: 18px 0 0; text-wrap: balance; }
.shead h2 em { color: var(--accent); font-style: italic; }
.shead p { margin-top: 18px; max-width: 650px; color: var(--ink-soft); font-size: 17px; font-weight: 300; text-wrap: pretty; }
.grid { display:grid; gap: 18px; }
.g2 { grid-template-columns: repeat(2, 1fr); }
.g3 { grid-template-columns: repeat(3, 1fr); }
.g4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 980px) { .g4, .g3 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 680px) { .g2, .g3, .g4 { grid-template-columns: 1fr; } }

.card { padding: 28px; }
.card .ix { font-family: var(--mono); font-size: 12px; color: var(--accent); letter-spacing: .1em; text-transform: uppercase; }
.card .dot { width: 36px; height: 36px; border-radius: 13px; background: var(--glass-bg-strong); border:1px solid var(--glass-brd); display:flex; align-items:center; justify-content:center; color: var(--accent); margin-bottom: 18px; }
.card h3 { font-family: var(--serif); font-weight: 400; font-size: 25px; margin: 12px 0 9px; letter-spacing:-.01em; }
.card p { color: var(--ink-soft); font-size: 14.8px; font-weight: 300; }
.card strong { color: var(--ink); font-weight: 600; }

.answer-grid { display:grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.answer-card { padding: 26px; min-height: 210px; }
.answer-card h3 { font-family: var(--serif); font-weight: 400; font-size: 28px; line-height: 1.05; margin: 0 0 13px; }
.answer-card p { color: var(--ink-soft); font-size: 15.5px; font-weight: 300; margin: 0; }
@media (max-width: 980px) { .answer-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 680px) { .answer-grid { grid-template-columns: 1fr; } }

.faq-list { display:grid; gap: 14px; }
.faq-item { padding: 0; }
.faq-item summary { cursor: pointer; list-style: none; padding: 22px 26px; font-family: var(--serif); font-size: 24px; line-height: 1.1; }
.faq-item summary::-webkit-details-marker { display:none; }
.faq-item summary::after { content: "+"; float: right; color: var(--accent); font-family: var(--mono); }
.faq-item[open] summary::after { content: "–"; }
.faq-item p { margin: 0; padding: 0 26px 24px; color: var(--ink-soft); font-size: 16px; font-weight: 300; max-width: 920px; }

.settings-map { display:grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.setting-card { padding: 28px; min-height: 330px; }
.setting-card--wide { grid-column: span 2; }
.setting-card--accent { background: var(--glass-bg-strong); border-color: color-mix(in srgb, var(--accent) 48%, var(--glass-brd)); }
.setting-card h3 { font-family: var(--serif); font-weight: 400; font-size: clamp(26px, 3vw, 38px); line-height: 1.02; letter-spacing: -.015em; margin: 14px 0 12px; }
.setting-card p { margin: 0; color: var(--ink-soft); font-size: 15.2px; font-weight: 300; }
.setting-card ul { list-style: none; padding: 0; margin: 18px 0 0; display: grid; gap: 9px; }
.setting-card li { position: relative; padding-left: 19px; color: var(--ink-soft); font-size: 13.8px; font-weight: 300; }
.setting-card li::before { content: "↳"; position: absolute; left: 0; top: 0; color: var(--accent); font-weight: 700; }
.setting-card strong { color: var(--ink); font-weight: 600; }
@media (max-width: 1040px) { .settings-map { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 680px) { .settings-map { grid-template-columns: 1fr; } .setting-card--wide { grid-column: auto; } }

.split { display:grid; grid-template-columns: 1.08fr .92fr; gap: 28px; align-items:center; }
@media (max-width: 900px) { .split { grid-template-columns:1fr; } }
.why-split { margin-top: 40px; align-items: stretch; }
.tag-panel { margin-top: 22px; padding: 28px 30px; }
.tag-panel .ix { font-family: var(--mono); font-size: 12px; color: var(--accent); letter-spacing: .1em; text-transform: uppercase; }
.tag-row { display:flex; flex-wrap:wrap; gap: 10px; margin: 16px 0 18px; }
.tag-chip { display:inline-flex; align-items:center; padding: 8px 16px; border-radius: 999px; background: var(--glass-bg-strong); border: 1px solid var(--glass-brd); font-size: 13.5px; color: var(--ink-soft); white-space: nowrap; }
.tag-panel p { margin: 0; color: var(--ink-soft); font-size: 15px; font-weight: 300; max-width: 820px; }
.media { padding: 10px; }
.video-frame { aspect-ratio: 16/10; border-radius: 22px; overflow:hidden; background: rgba(0,0,0,.2); border: 1px solid var(--glass-brd); }
.video-frame video { width:100%; height:100%; object-fit: contain; background: rgba(2,7,5,.35); }
.feat-list { list-style:none; padding:0; margin:0; display:flex; flex-direction:column; gap: 15px; }
.feat-list li { display:flex; gap: 13px; color: var(--ink-soft); font-weight: 300; }
.feat-list .tick { color: var(--accent); font-weight: 700; flex: 0 0 auto; }

.release-slim { display:flex; align-items:center; gap: 24px; flex-wrap: wrap; padding: 22px 30px; }
.release-slim-text { flex: 1 1 320px; }
.release-slim-text .eyebrow { margin-bottom: 6px; }
.release-slim-text h3 { margin: 0; font-family: var(--serif); font-weight: 400; font-size: clamp(17px, 2vw, 21px); line-height: 1.3; }
.release-slim-text h3 em { color: var(--accent); font-style: italic; }
.release-slim-tags { display:flex; flex-wrap:wrap; gap: 8px; flex: 2 1 420px; }
.release-slim .tag-chip { font-size: 12.5px; padding: 7px 13px; }
.release-slim .btn { flex: 0 0 auto; }
@media (max-width: 760px) { .release-slim { flex-direction: column; align-items: flex-start; } .release-slim .btn { width: 100%; } }

.loop { display:flex; flex-wrap:wrap; gap: 14px; align-items:stretch; }
.node { flex: 1 1 0; min-width: 155px; padding: 25px 22px; }
.node .k { font-family: var(--mono); font-size: 11px; color: var(--accent); letter-spacing:.12em; }
.node h4 { font-family: var(--serif); font-size: 27px; font-weight: 400; margin: 10px 0 8px; }
.node p { color: var(--ink-soft); font-size: 13.8px; font-weight: 300; }
.arr { display:flex; align-items:center; color: var(--accent); opacity:.75; }
@media (max-width: 760px) { .loop { flex-direction:column; } .arr { transform: rotate(90deg); align-self:center; } }

.code { padding: 0; }
.code .bar { display:flex; align-items:center; gap:8px; padding: 14px 18px; border-bottom: 1px solid var(--glass-brd); }
.code .bar i { width:11px; height:11px; border-radius:50%; background: var(--glass-brd); display:block; }
.code .bar .f { margin-left:8px; font-family:var(--mono); font-size:12px; color:var(--ink-faint); }
.code pre { margin:0; padding: 22px 20px; font-family: var(--mono); font-size: 13px; line-height:1.7; color: var(--ink-soft); overflow:auto; }
.code .c { color: var(--ink-faint); }
.code .a { color: var(--accent); }
.code .b { color: var(--accent-2); }

.download-grid { display:grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.download-card { padding: 24px; min-height: 210px; display:flex; flex-direction:column; justify-content:space-between; transition: transform .2s, background .2s; }
.download-card:hover { transform: translateY(-4px); background: var(--glass-bg-strong); }
.download-card .os { font-family: var(--mono); font-size: 11px; letter-spacing:.14em; color: var(--accent); text-transform: uppercase; }
.download-card strong { font-family: var(--serif); font-size: 27px; font-weight: 400; }
.download-card span:not(.os) { color: var(--ink-soft); font-size: 14px; }
.download-card em { color: var(--accent); font-style: normal; font-family: var(--mono); font-size: 12px; }
@media (max-width: 980px) { .download-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px) { .download-grid { grid-template-columns: 1fr; } }

.final { text-align:center; }
.final .inner { padding: 78px 30px; }
.final h2 { font-family: var(--serif); font-weight: 300; font-size: clamp(34px, 5.5vw, 68px); line-height:1.02; margin: 18px auto 0; max-width: 820px; }
.final h2 em { color: var(--accent); font-style: italic; }
.final p { margin: 20px auto 0; max-width: 560px; color: var(--ink-soft); font-weight:300; }
.final .hero-cta { justify-content:center; }

footer { padding: 70px 0 50px; }
.foot-card { padding: 40px 38px; }
.foot { display:flex; justify-content:space-between; gap: 34px; flex-wrap:wrap; }
.foot small { display:block; color: var(--ink-faint); margin-top: 12px; max-width: 300px; }
.foot-cols { display:flex; gap: 52px; flex-wrap:wrap; }
.foot-col h5 { margin:0 0 14px; font-family:var(--mono); font-size:11px; letter-spacing:.14em; text-transform:uppercase; color:var(--ink-faint); }
.foot-col a { display:block; color:var(--ink-soft); font-size:14px; margin-bottom:9px; }
.foot-col a:hover { color: var(--ink); }
.foot-line { margin-top: 38px; padding-top: 22px; border-top: 1px solid var(--glass-brd); display:flex; justify-content:space-between; gap:10px; flex-wrap:wrap; color: var(--ink-faint); font-family:var(--mono); font-size:12px; }

.switcher { position: fixed; right: 18px; bottom: 18px; z-index: 60; display:flex; align-items:center; gap: 8px; padding: 9px 11px; border-radius:999px; }
.switcher .lab { font-family: var(--mono); font-size:10.5px; letter-spacing:.1em; text-transform:uppercase; color:var(--ink-faint); padding:0 4px; }
.sw { width:30px; height:30px; border-radius:50%; border:1.5px solid var(--glass-brd); cursor:pointer; transition: transform .2s; padding:0; }
.sw:hover { transform: scale(1.1); }
.sw[aria-pressed="true"] { border-color:#fff; box-shadow:0 0 0 2px rgba(255,255,255,.25); }
.sw[data-t="forest"] { background:radial-gradient(circle at 35% 30%, #9fe0b0, #1f6b48 60%, #0c1f17); }
.sw[data-t="dusk"] { background:radial-gradient(circle at 35% 30%, #f3b079, #b5563a 58%, #2a1320); }
.sw[data-t="tide"] { background:radial-gradient(circle at 35% 30%, #83ddc9, #16808f 58%, #07202a); }
@media (max-width:560px) { .switcher .lab { display:none; } .nav { width: calc(100vw - 20px); } .nav-cta { padding: 8px 12px; } }