/* ==========================================================================
   CAYW official landing — refined dark theme
   Rust orange (core / control) + Luau blue (CodeMode) on graphite.
   Static, no build step.
   ========================================================================== */

:root {
  --bg: #07080a;
  --bg-1: #0b0d10;
  --bg-2: #101216;
  --surface: rgba(255, 255, 255, 0.025);
  --surface-2: rgba(255, 255, 255, 0.045);
  --line: rgba(255, 255, 255, 0.07);
  --line-2: rgba(255, 255, 255, 0.11);
  --line-3: rgba(255, 255, 255, 0.18);

  --text: #ededef;
  --text-2: #a1a1aa;
  --text-3: #6b6b74;

  --rust: #ff7a33;
  --rust-2: #e2560f;
  --rust-deep: #9a3412;
  --rust-a: rgba(255, 122, 51, 0.12);
  --luau: #3eb4ff;
  --luau-2: #0a8fe6;
  --luau-a: rgba(62, 180, 255, 0.12);
  --ok: #4ade80;

  --radius-xl: 22px;
  --radius-lg: 16px;
  --radius: 12px;
  --radius-sm: 8px;

  --font: "Inter", "SF Pro Text", -apple-system, BlinkMacSystemFont, "PingFang SC",
    "Hiragino Sans GB", "Noto Sans SC", "Microsoft YaHei", "Segoe UI", system-ui, sans-serif;
  --display: "Inter Display", "SF Pro Display", -apple-system, BlinkMacSystemFont, "PingFang SC",
    "Hiragino Sans GB", "Noto Sans SC", "Microsoft YaHei", system-ui, sans-serif;
  --mono: "JetBrains Mono", "SF Mono", "Geist Mono", ui-monospace, Menlo, Consolas, monospace;

  --max: 1160px;
  --header-h: 64px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --shadow-lg: 0 1px 0 rgba(255, 255, 255, 0.04) inset, 0 30px 80px -20px rgba(0, 0, 0, 0.7),
    0 0 0 1px rgba(255, 255, 255, 0.06);
}

/* ---------- reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 24px);
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}
body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.7;
  color: var(--text);
  background: var(--bg);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img, svg { max-width: 100%; display: block; }
h1, h2, h3 { margin: 0; font-family: var(--display); font-weight: 600; letter-spacing: -0.02em; }
p { margin: 0; }
a { color: var(--text); text-decoration: none; }
code { font-family: var(--mono); font-size: 0.88em; }
::selection { background: rgba(255, 122, 51, 0.32); color: #fff; }

:focus-visible { outline: 2px solid var(--luau); outline-offset: 3px; border-radius: 6px; }

.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;
}
.skip-link {
  position: absolute; left: 16px; top: -48px; z-index: 100;
  padding: 8px 14px; border-radius: 8px; background: var(--text); color: var(--bg);
  font-weight: 600; transition: top 0.2s;
}
.skip-link:focus { top: 12px; }

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

/* ---------- backdrop ---------- */
.backdrop { position: fixed; inset: 0; z-index: -1; pointer-events: none; overflow: hidden; }
.backdrop-grid {
  position: absolute; inset: -1px;
  background-image:
    linear-gradient(to right, rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: radial-gradient(ellipse 80% 55% at 50% 0%, #000 30%, transparent 75%);
  mask-image: radial-gradient(ellipse 80% 55% at 50% 0%, #000 30%, transparent 75%);
}
.backdrop-glow { position: absolute; border-radius: 50%; filter: blur(90px); opacity: 0.55; }
.glow-rust {
  width: 720px; height: 520px; left: -160px; top: -260px;
  background: radial-gradient(circle, rgba(255, 110, 40, 0.38), transparent 65%);
}
.glow-luau {
  width: 640px; height: 480px; right: -180px; top: -140px;
  background: radial-gradient(circle, rgba(40, 150, 255, 0.24), transparent 65%);
}
.backdrop-noise {
  position: absolute; inset: 0; opacity: 0.035; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ---------- header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  height: var(--header-h);
  transition: background 0.3s var(--ease), border-color 0.3s var(--ease), backdrop-filter 0.3s;
  border-bottom: 1px solid transparent;
}
.site-header.is-scrolled {
  background: rgba(7, 8, 10, 0.72);
  -webkit-backdrop-filter: saturate(160%) blur(16px);
  backdrop-filter: saturate(160%) blur(16px);
  border-bottom-color: var(--line);
}
.header-inner { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 16px; }

.brand { display: inline-flex; align-items: center; gap: 10px; }
.brand-mark { width: 28px; height: 28px; transition: transform 0.4s var(--ease); }
.brand:hover .brand-mark { transform: rotate(-8deg) scale(1.06); }
.brand-name { font-family: var(--display); font-weight: 700; letter-spacing: 0.02em; font-size: 1.02rem; }
.brand-tag {
  font-family: var(--mono); font-size: 0.68rem; color: var(--text-3);
  padding: 2px 7px; border: 1px solid var(--line-2); border-radius: 999px; letter-spacing: 0.02em;
}

.site-nav { display: flex; align-items: center; gap: 4px; }
.site-nav a {
  position: relative; padding: 7px 12px; border-radius: 8px;
  font-size: 0.9rem; color: var(--text-2);
  transition: color 0.2s, background 0.2s;
}
.site-nav a:hover { color: var(--text); background: var(--surface-2); }
.site-nav a.is-active { color: var(--text); }
.site-nav a.is-active::after {
  content: ""; position: absolute; left: 12px; right: 12px; bottom: 2px; height: 1px;
  background: linear-gradient(90deg, transparent, var(--rust), transparent);
}
.site-nav .nav-cta {
  margin-left: 8px; display: inline-flex; align-items: center; gap: 7px;
  color: var(--text); background: var(--surface-2); border: 1px solid var(--line-2);
  padding: 6px 13px;
}
.site-nav .nav-cta svg { width: 15px; height: 15px; }
.site-nav .nav-cta:hover { border-color: var(--line-3); background: rgba(255, 255, 255, 0.07); }

.nav-toggle {
  display: none; width: 40px; height: 40px; border-radius: 10px;
  border: 1px solid var(--line-2); background: var(--surface); cursor: pointer; position: relative;
}
.nav-toggle-bar, .nav-toggle-bar::before, .nav-toggle-bar::after {
  position: absolute; left: 50%; width: 16px; height: 1.5px; margin-left: -8px;
  background: var(--text); border-radius: 2px; transition: transform 0.3s var(--ease), opacity 0.2s;
}
.nav-toggle-bar { top: 50%; margin-top: -0.75px; }
.nav-toggle-bar::before, .nav-toggle-bar::after { content: ""; left: 0; margin-left: 0; }
.nav-toggle-bar::before { transform: translateY(-5px); }
.nav-toggle-bar::after { transform: translateY(5px); }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar { background: transparent; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar::before { transform: rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar::after { transform: rotate(-45deg); }

/* ---------- buttons ---------- */
.btn {
  --h: 44px;
  position: relative; display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  height: var(--h); padding: 0 18px; border-radius: 11px;
  font-size: 0.94rem; font-weight: 550; white-space: nowrap; letter-spacing: 0.005em;
  border: 1px solid transparent; cursor: pointer; isolation: isolate;
  transition: transform 0.2s var(--ease), box-shadow 0.25s var(--ease), background 0.2s, border-color 0.2s, color 0.2s;
}
.btn:active { transform: translateY(1px) scale(0.99); }
.btn-icon { width: 14px; height: 14px; transition: transform 0.25s var(--ease); }
.btn:hover .btn-icon { transform: translateX(3px); }

.btn-primary {
  color: #1a0a02;
  background: linear-gradient(180deg, #ff9a5c 0%, var(--rust) 45%, var(--rust-2) 100%);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.35) inset, 0 -1px 0 rgba(0, 0, 0, 0.18) inset,
    0 8px 24px -8px rgba(255, 110, 40, 0.65), 0 0 0 1px rgba(255, 140, 70, 0.5);
}
.btn-primary:hover {
  color: #1a0a02;
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.4) inset, 0 -1px 0 rgba(0, 0, 0, 0.18) inset,
    0 12px 32px -8px rgba(255, 110, 40, 0.85), 0 0 0 1px rgba(255, 160, 90, 0.7);
  transform: translateY(-1px);
}
.btn-secondary {
  color: var(--text); background: rgba(255, 255, 255, 0.06); border-color: var(--line-2);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.06) inset;
}
.btn-secondary:hover { background: rgba(255, 255, 255, 0.09); border-color: var(--line-3); transform: translateY(-1px); }
.btn-ghost { color: var(--text-2); }
.btn-ghost:hover { color: var(--text); background: var(--surface-2); }

/* ---------- hero ---------- */
.hero { padding: 72px 0 40px; position: relative; }
.hero-grid {
  display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  gap: 56px; align-items: center;
}

.announce {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 5px 12px 5px 10px; margin-bottom: 28px;
  font-size: 0.82rem; color: var(--text-2);
  border: 1px solid var(--line-2); border-radius: 999px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.015));
  transition: border-color 0.2s, color 0.2s;
}
.announce:hover { border-color: var(--line-3); color: var(--text); }
.announce-dot {
  width: 7px; height: 7px; border-radius: 50%; background: var(--rust);
  box-shadow: 0 0 0 0 rgba(255, 122, 51, 0.6); animation: ping 2.4s infinite;
}
.announce-sep { width: 1px; height: 12px; background: var(--line-3); }
.announce-link { color: var(--text); }
@keyframes ping {
  0% { box-shadow: 0 0 0 0 rgba(255, 122, 51, 0.55); }
  70%, 100% { box-shadow: 0 0 0 8px rgba(255, 122, 51, 0); }
}

.hero-title { display: flex; flex-direction: column; gap: 14px; }
.hero-name {
  font-family: var(--mono); font-size: 0.86rem; font-weight: 500; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--rust);
  display: inline-flex; align-items: center; gap: 10px;
}
.hero-name::before { content: ""; width: 22px; height: 1px; background: currentColor; opacity: 0.7; }
.hero-vision {
  font-size: clamp(2.2rem, 4.6vw, 3.5rem); line-height: 1.14; font-weight: 650;
  letter-spacing: -0.035em;
  background: linear-gradient(180deg, #ffffff 0%, #d4d4d8 70%, #a1a1aa 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  text-wrap: balance;
}
.hero-vision em {
  font-style: normal;
  background: linear-gradient(100deg, #ffb07a 0%, var(--rust) 40%, #ff5f1f 70%, #ffa66b 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero-lede {
  margin-top: 24px; max-width: 34em; font-size: 1.06rem; line-height: 1.8; color: var(--text-2);
}
.hero-lede b { font-weight: 600; }
.t-luau { color: var(--luau); }
.t-dim { color: var(--text-3); }
.t-ok { color: var(--ok); }

.hero-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 34px; }
.hero-actions.center { justify-content: center; }

.hero-meta {
  list-style: none; padding: 0; margin: 36px 0 0;
  display: flex; flex-wrap: wrap; gap: 8px 22px; font-size: 0.84rem; color: var(--text-3);
}
.hero-meta li { display: inline-flex; align-items: center; gap: 8px; }
.meta-dot { width: 6px; height: 6px; border-radius: 2px; background: var(--text-3); }
.meta-dot.rust { background: var(--rust); }
.meta-dot.luau { background: var(--luau); }

/* hero visual */
.hero-visual { position: relative; perspective: 1400px; }
.orbit { position: absolute; inset: -12% -8%; pointer-events: none; }
.orbit-ring {
  position: absolute; inset: 0; border-radius: 50%;
  border: 1px dashed rgba(255, 255, 255, 0.06);
}
.orbit-ring.r2 { inset: 12%; border-style: solid; border-color: rgba(255, 122, 51, 0.07); }

.console {
  position: relative; border-radius: var(--radius-xl);
  background: linear-gradient(180deg, rgba(22, 24, 29, 0.92), rgba(12, 13, 16, 0.94));
  -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  transform: rotateX(var(--rx, 0deg)) rotateY(var(--ry, 0deg));
  transform-style: preserve-3d;
  transition: transform 0.6s var(--ease);
}
.console::before {
  content: ""; position: absolute; inset: 0; border-radius: inherit; padding: 1px; pointer-events: none;
  background: linear-gradient(140deg, rgba(255, 140, 70, 0.55), rgba(255, 255, 255, 0.06) 35%, rgba(255, 255, 255, 0.02) 65%, rgba(62, 180, 255, 0.45));
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude;
}
.console-bar, .window-bar {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 16px; border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.015);
}
.dots { display: inline-flex; gap: 6px; }
.dots i { width: 10px; height: 10px; border-radius: 50%; background: rgba(255, 255, 255, 0.1); }
.console-title, .window-title { font-family: var(--mono); font-size: 0.76rem; color: var(--text-3); flex: 1; }
.console-badge {
  font-family: var(--mono); font-size: 0.68rem; color: var(--luau);
  padding: 2px 8px; border-radius: 999px; background: var(--luau-a); border: 1px solid rgba(62, 180, 255, 0.25);
}
.console-body { padding: 18px 4px 14px; }

.code {
  margin: 0; padding: 0 20px; overflow-x: auto;
  font-family: var(--mono); font-size: 0.84rem; line-height: 1.75; color: #d4d4d8;
  tab-size: 2;
}
.code code { font-size: inherit; }
.code .ln {
  display: inline-block; width: 1.6em; margin-right: 14px; text-align: right;
  color: rgba(255, 255, 255, 0.18); user-select: none;
}
.k { color: #ff9a5c; }
.f { color: var(--luau); }
.s { color: #a7e3a1; }
.n { color: #f5c97a; }
.o { color: var(--text-3); }
.caret {
  display: inline-block; width: 7px; height: 1.05em; margin-left: 2px; vertical-align: -2px;
  background: var(--rust); animation: blink 1.1s steps(1) infinite;
}
@keyframes blink { 50% { opacity: 0; } }

.console-log { border-top: 1px solid var(--line); background: rgba(0, 0, 0, 0.25); padding: 12px 14px 14px; }
.log-head {
  display: flex; justify-content: space-between; align-items: center;
  font-size: 0.74rem; color: var(--text-3); padding: 0 6px 8px;
}
.log-live { display: inline-flex; align-items: center; gap: 6px; font-family: var(--mono); color: var(--ok); }
.log-live i { width: 6px; height: 6px; border-radius: 50%; background: var(--ok); animation: ping-ok 2s infinite; }
@keyframes ping-ok {
  0% { box-shadow: 0 0 0 0 rgba(74, 222, 128, 0.5); }
  70%, 100% { box-shadow: 0 0 0 6px rgba(74, 222, 128, 0); }
}
.log-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 4px; }
.log-row {
  display: grid; grid-template-columns: 44px 78px 1fr 18px; align-items: center; gap: 10px;
  padding: 7px 8px; border-radius: 8px; font-size: 0.78rem;
  background: rgba(255, 255, 255, 0.02); border: 1px solid transparent;
}
.log-row code { color: var(--text); font-size: 0.78rem; }
.tag {
  font-family: var(--mono); font-size: 0.66rem; text-align: center; padding: 1px 0; border-radius: 5px;
  text-transform: uppercase; letter-spacing: 0.04em;
}
.tag-call { color: var(--luau); background: var(--luau-a); }
.tag-ask { color: var(--rust); background: var(--rust-a); }
.tag-rec { color: var(--text-2); background: rgba(255, 255, 255, 0.06); }
.checks { display: flex; flex-wrap: wrap; gap: 4px; min-width: 0; }
.checks b {
  font-weight: 450; font-size: 0.68rem; color: var(--text-3);
  padding: 0 6px; border-radius: 4px; border: 1px solid var(--line);
}
.checks b.wait { color: var(--rust); border-color: rgba(255, 122, 51, 0.3); }
.ok { color: var(--ok); font-size: 0.8rem; text-align: center; }
.pending {
  width: 12px; height: 12px; justify-self: center; border-radius: 50%;
  border: 1.5px solid rgba(255, 122, 51, 0.3); border-top-color: var(--rust);
  animation: spin 0.9s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.log-row:nth-child(3) { border-color: rgba(255, 122, 51, 0.18); background: rgba(255, 122, 51, 0.04); }

/* log entrance (JS toggles .is-running to replay) */
.console-log.is-running .log-row {
  animation: row-in 0.55s var(--ease) backwards; animation-delay: calc(var(--d) * 0.55s + 0.3s);
}
@keyframes row-in { from { opacity: 0; transform: translateY(6px); } }

.float-card {
  position: absolute; z-index: 2; display: grid; gap: 6px;
  padding: 12px 14px; border-radius: 14px; min-width: 170px;
  background: rgba(16, 18, 22, 0.82); -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px);
  box-shadow: 0 0 0 1px var(--line-2), 0 20px 40px -12px rgba(0, 0, 0, 0.7);
  font-size: 0.76rem; color: var(--text-2);
  animation: float 7s ease-in-out infinite;
}
.fc-label { font-family: var(--mono); font-size: 0.66rem; color: var(--text-3); text-transform: uppercase; letter-spacing: 0.1em; }
.fc-row { display: flex; align-items: center; gap: 8px; }
.fc-row code { color: var(--luau); }
.sw { width: 22px; height: 12px; border-radius: 999px; background: rgba(255, 255, 255, 0.1); position: relative; flex: none; }
.sw::after { content: ""; position: absolute; top: 2px; left: 2px; width: 8px; height: 8px; border-radius: 50%; background: var(--text-3); transition: 0.3s; }
.sw.on { background: rgba(255, 122, 51, 0.35); }
.sw.on::after { left: 12px; background: var(--rust); }
.fc-policy { left: -36px; bottom: -104px; }
.fc-budget { right: -30px; top: -26px; animation-delay: -3.5s; min-width: 150px; }
.meter { display: block; height: 5px; border-radius: 999px; background: rgba(255, 255, 255, 0.08); overflow: hidden; }
.meter i { display: block; height: 100%; width: calc(var(--v) * 100%); border-radius: inherit; background: linear-gradient(90deg, var(--luau), var(--rust)); }
.fc-sub { font-family: var(--mono); font-size: 0.68rem; color: var(--text-3); }
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-8px); } }

.hero-strip {
  margin: 96px 0 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
}
.hero-strip > div { padding: 22px 22px 22px 0; }
.hero-strip > div + div { padding-left: 22px; border-left: 1px solid var(--line); }
.hero-strip dt { font-family: var(--mono); font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.12em; color: var(--text-3); }
.hero-strip dd { margin: 6px 0 0; font-size: 0.96rem; color: var(--text); }

/* ---------- sections ---------- */
.section { padding: 120px 0 0; position: relative; }
.section-head { max-width: 640px; margin-bottom: 48px; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 10px; margin-bottom: 16px;
  font-family: var(--mono); font-size: 0.76rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--text-3);
}
.eyebrow span { color: var(--rust); }
.eyebrow span::after { content: " /"; color: var(--text-3); }
.section-head h2 {
  font-size: clamp(1.9rem, 3.6vw, 2.75rem); line-height: 1.15; letter-spacing: -0.03em;
  background: linear-gradient(180deg, #fff, #b4b4bb); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.lede { margin-top: 14px; font-size: 1.04rem; color: var(--text-2); line-height: 1.8; }
.lede strong { color: var(--text); font-weight: 600; }

/* ---------- cards / bento ---------- */
.card, .doc-card {
  --mx: 50%; --my: 50%;
  position: relative; overflow: hidden; border-radius: var(--radius-lg);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.035), rgba(255, 255, 255, 0.012));
  border: 1px solid var(--line);
  transition: border-color 0.3s var(--ease), transform 0.4s var(--ease), background 0.3s;
}
.card::before, .doc-card::before {
  content: ""; position: absolute; inset: 0; pointer-events: none; opacity: 0; transition: opacity 0.35s;
  background: radial-gradient(420px circle at var(--mx) var(--my), rgba(255, 255, 255, 0.06), transparent 45%);
}
.card:hover, .doc-card:hover { border-color: var(--line-2); }
.card:hover::before, .doc-card:hover::before { opacity: 1; }

.bento { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 14px; }
.card { padding: 28px; grid-column: span 2; display: flex; flex-direction: column; }
.card-lg { grid-column: span 3; min-height: 280px; }
.card h3 { font-size: 1.14rem; margin: 20px 0 10px; letter-spacing: -0.01em; }
.card p { color: var(--text-2); font-size: 0.95rem; line-height: 1.75; }
.card p strong { color: var(--luau); font-weight: 600; }
.card-icon {
  width: 40px; height: 40px; border-radius: 11px; display: grid; place-items: center;
  color: var(--text); background: rgba(255, 255, 255, 0.04);
  box-shadow: 0 0 0 1px var(--line-2) inset, 0 1px 0 rgba(255, 255, 255, 0.06) inset;
}
.card-icon svg { width: 20px; height: 20px; }
.card.luau .card-icon { color: var(--luau); background: var(--luau-a); box-shadow: 0 0 0 1px rgba(62, 180, 255, 0.25) inset; }
.card.rust .card-icon { color: var(--rust); background: var(--rust-a); box-shadow: 0 0 0 1px rgba(255, 122, 51, 0.25) inset; }
.card.luau::after, .card.rust::after {
  content: ""; position: absolute; right: -80px; top: -80px; width: 260px; height: 260px; border-radius: 50%;
  filter: blur(40px); opacity: 0.5; pointer-events: none;
}
.card.luau::after { background: radial-gradient(circle, rgba(62, 180, 255, 0.22), transparent 70%); }
.card.rust::after { background: radial-gradient(circle, rgba(255, 122, 51, 0.22), transparent 70%); }

.mini-code {
  margin-top: auto; padding-top: 22px; display: grid; gap: 2px;
  font-family: var(--mono); font-size: 0.8rem; color: var(--text-2);
}
.mini-code > span {
  padding: 2px 12px; border-left: 2px solid rgba(62, 180, 255, 0.35); background: rgba(62, 180, 255, 0.035);
}
.mini-code i { font-style: normal; }
.mini-gates { margin-top: auto; padding-top: 22px; display: flex; flex-wrap: wrap; gap: 8px; }
.mini-gates span {
  position: relative; font-size: 0.8rem; padding: 6px 12px 6px 26px; border-radius: 999px;
  color: var(--text); border: 1px solid rgba(255, 122, 51, 0.22); background: rgba(255, 122, 51, 0.05);
}
.mini-gates span::before {
  content: ""; position: absolute; left: 11px; top: 50%; width: 7px; height: 7px; margin-top: -3.5px;
  border-radius: 50%; background: var(--rust); box-shadow: 0 0 10px rgba(255, 122, 51, 0.7);
}

/* ---------- how ---------- */
.diagram {
  margin: 0 0 18px; padding: 28px 24px 18px; border-radius: var(--radius-xl);
  border: 1px solid var(--line);
  background:
    radial-gradient(600px 220px at 45% 50%, rgba(255, 122, 51, 0.06), transparent 70%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.025), rgba(255, 255, 255, 0.008));
}
.diagram svg { width: 100%; height: auto; overflow: visible; }
.diagram figcaption { margin-top: 12px; text-align: center; font-size: 0.86rem; color: var(--text-3); }
.diagram figcaption code { color: var(--luau); }
.diagram .node { fill: rgba(255, 255, 255, 0.03); stroke: rgba(255, 255, 255, 0.14); }
.diagram .node.app { stroke-dasharray: 4 4; }
.diagram .core { fill: url(#d-core); stroke: rgba(255, 122, 51, 0.35); }
.diagram .inner { fill: rgba(10, 11, 14, 0.85); stroke: rgba(255, 255, 255, 0.12); }
.diagram .inner.luau { stroke: rgba(62, 180, 255, 0.6); fill: rgba(62, 180, 255, 0.07); }
.diagram .inner.rust { stroke: rgba(255, 122, 51, 0.65); fill: rgba(255, 122, 51, 0.08); }
.diagram .lbl { fill: #ededef; font-size: 14px; font-weight: 600; font-family: var(--font); }
.diagram .sub { fill: #71717a; font-size: 10.5px; font-family: var(--mono); }
.diagram .core-title { fill: var(--rust); font-size: 11px; font-family: var(--mono); letter-spacing: 0.08em; }
.diagram .edge { stroke: rgba(255, 255, 255, 0.28); stroke-width: 1.4; fill: none; }
.diagram .edge.flow { stroke: rgba(255, 140, 70, 0.55); stroke-dasharray: 4 4; animation: dash 1.2s linear infinite; }
.diagram .edge.muted { stroke: rgba(255, 255, 255, 0.16); }
.diagram .edge.dashed { stroke-dasharray: 3 5; }
.diagram .pulse { fill: var(--rust); filter: drop-shadow(0 0 6px rgba(255, 122, 51, 0.9)); }
@keyframes dash { to { stroke-dashoffset: -16; } }

.steps {
  list-style: none; margin: 0 0 18px; padding: 0;
  display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 0;
  border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden;
  background: rgba(255, 255, 255, 0.012);
}
.steps li { padding: 24px 22px; position: relative; transition: background 0.3s; }
.steps li + li { border-left: 1px solid var(--line); }
.steps li:hover { background: rgba(255, 255, 255, 0.025); }
.steps li::before {
  content: ""; position: absolute; left: 0; right: 0; top: 0; height: 2px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.25), transparent);
  opacity: 0; transition: opacity 0.3s;
}
.steps li:hover::before { opacity: 1; }
.steps li.luau::before { background: linear-gradient(90deg, transparent, var(--luau), transparent); opacity: 0.8; }
.steps li.rust::before { background: linear-gradient(90deg, transparent, var(--rust), transparent); opacity: 0.8; }
.step-num { font-family: var(--mono); font-size: 0.74rem; color: var(--text-3); letter-spacing: 0.08em; }
.steps li.luau .step-num { color: var(--luau); }
.steps li.rust .step-num { color: var(--rust); }
.steps h3 { font-size: 1rem; margin: 14px 0 8px; letter-spacing: -0.01em; }
.steps p { font-size: 0.88rem; color: var(--text-2); line-height: 1.7; }
.steps code { color: var(--luau); font-size: 0.82em; }

.split {
  display: grid; grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr); gap: 40px; align-items: center;
  padding: 36px; border-radius: var(--radius-xl); border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.025), rgba(255, 255, 255, 0.008));
}
.split-copy h3 { font-size: 1.4rem; letter-spacing: -0.02em; }
.split-copy p { margin-top: 12px; color: var(--text-2); font-size: 0.96rem; }
.split-copy p code { color: var(--luau); }
.check-list { list-style: none; padding: 0; margin: 22px 0 0; display: grid; gap: 10px; }
.check-list li { display: flex; align-items: center; gap: 12px; font-size: 0.95rem; }
.check-list span {
  width: 24px; height: 24px; border-radius: 7px; display: grid; place-items: center;
  font-family: var(--mono); font-size: 0.72rem; color: var(--rust);
  background: var(--rust-a); box-shadow: 0 0 0 1px rgba(255, 122, 51, 0.25) inset;
}

.window, .terminal {
  border-radius: var(--radius-lg); overflow: hidden;
  background: #0b0c0f; box-shadow: var(--shadow-lg);
}
.window .code { padding: 20px 22px 22px; }

.copy-btn {
  display: inline-flex; align-items: center; gap: 6px;
  height: 28px; padding: 0 10px; border-radius: 7px;
  font: 500 0.76rem/1 var(--font); color: var(--text-2);
  background: rgba(255, 255, 255, 0.04); border: 1px solid var(--line-2); cursor: pointer;
  transition: color 0.2s, background 0.2s, border-color 0.2s;
}
.copy-btn svg { width: 13px; height: 13px; }
.copy-btn:hover { color: var(--text); background: rgba(255, 255, 255, 0.08); border-color: var(--line-3); }
.copy-btn.is-copied { color: var(--ok); border-color: rgba(74, 222, 128, 0.35); background: rgba(74, 222, 128, 0.08); }

/* ---------- try ---------- */
.try-layout { display: grid; grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr); gap: 14px; align-items: stretch; }
.terminal { min-width: 0; }
.terminal-body { position: relative; padding: 22px 24px 26px; font-family: var(--mono); font-size: 0.88rem; line-height: 1.85; }
.term-comment { color: var(--text-3); }
.term-line { display: flex; gap: 12px; align-items: baseline; overflow-x: auto; white-space: nowrap; }
.term-line code { color: var(--text); font-size: inherit; }
.prompt { color: var(--rust); user-select: none; }
.term-out { margin-top: 14px; padding-top: 14px; border-top: 1px dashed var(--line-2); color: #d4d4d8; }
.term-out p { white-space: pre-wrap; word-break: break-word; }
.copy-inline { position: absolute; right: 18px; bottom: 18px; }

.try-grid {
  display: grid; grid-template-rows: repeat(3, minmax(0, 1fr)); gap: 14px;
}
.try-item {
  display: flex; gap: 14px; padding: 18px; border-radius: var(--radius);
  border: 1px solid var(--line); background: rgba(255, 255, 255, 0.015);
  font-size: 0.88rem; color: var(--text-2); min-width: 0;
}
.try-item strong { color: var(--text); font-weight: 600; }
.try-item code { font-size: 0.76rem; color: var(--text-3); overflow-wrap: anywhere; }
.try-item a { color: var(--luau); }
.try-item a:hover { text-decoration: underline; text-underline-offset: 3px; }
.try-k { font-family: var(--mono); font-size: 0.74rem; color: var(--rust); padding-top: 2px; }

/* ---------- docs ---------- */
.docs-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; }
.doc-card { display: flex; flex-direction: column; gap: 8px; padding: 22px 22px 24px; min-height: 170px; }
.doc-card:hover { transform: translateY(-3px); }
.doc-kicker { font-family: var(--mono); font-size: 0.7rem; color: var(--text-3); margin-bottom: auto; padding-bottom: 28px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.doc-card h3 { font-size: 1.06rem; }
.doc-card p { font-size: 0.88rem; color: var(--text-2); }
.doc-arrow {
  position: absolute; right: 18px; top: 16px; font-size: 1rem; color: var(--text-3);
  transition: transform 0.3s var(--ease), color 0.3s;
}
.doc-card:hover .doc-arrow { color: var(--rust); transform: translate(2px, -2px); }

.cta {
  position: relative; overflow: hidden; margin-top: 120px; padding: 72px 32px; text-align: center;
  border-radius: 28px; border: 1px solid var(--line-2);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.01));
}
.cta-glow {
  position: absolute; left: 50%; top: 100%; width: 900px; height: 500px; transform: translate(-50%, -45%);
  background: radial-gradient(ellipse at center, rgba(255, 110, 40, 0.28), rgba(62, 180, 255, 0.08) 45%, transparent 70%);
  pointer-events: none;
}
.cta::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image: linear-gradient(to right, rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 40px 40px;
  -webkit-mask-image: radial-gradient(ellipse at 50% 100%, #000, transparent 70%);
  mask-image: radial-gradient(ellipse at 50% 100%, #000, transparent 70%);
}
.cta h2 { position: relative; font-size: clamp(1.6rem, 3.4vw, 2.4rem); letter-spacing: -0.03em; text-wrap: balance; }
.cta p { position: relative; margin-top: 14px; color: var(--text-2); }
.cta .hero-actions { position: relative; }

/* ---------- footer ---------- */
.site-footer { margin-top: 96px; border-top: 1px solid var(--line); padding: 36px 0 48px; }
.footer-inner { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 20px; }
.footer-brand { font-weight: 600; }
.footer-brand span { color: var(--text-3); font-weight: 400; }
.footer-copy { margin-top: 4px; font-size: 0.84rem; color: var(--text-3); }
.footer-links { display: flex; flex-wrap: wrap; gap: 4px 22px; font-size: 0.88rem; }
.footer-links a { color: var(--text-2); transition: color 0.2s; }
.footer-links a:hover { color: var(--text); }

/* ---------- reveal ---------- */
.js [data-reveal] { opacity: 0; transform: translateY(14px); transition: opacity 0.8s var(--ease), transform 0.8s var(--ease); transition-delay: var(--rd, 0s); }
.js [data-reveal].is-visible { opacity: 1; transform: none; }
.js .hero-copy > *, .js .hero-visual { opacity: 0; transform: translateY(10px); animation: rise 0.9s var(--ease) forwards; }
.js .hero-copy > :nth-child(2) { animation-delay: 0.08s; }
.js .hero-copy > :nth-child(3) { animation-delay: 0.16s; }
.js .hero-copy > :nth-child(4) { animation-delay: 0.24s; }
.js .hero-copy > :nth-child(5) { animation-delay: 0.32s; }
.js .hero-visual { animation-delay: 0.2s; animation-duration: 1.1s; }
@keyframes rise { to { opacity: 1; transform: none; } }

/* ---------- 404 ---------- */
.not-found {
  min-height: 100vh; display: flex; flex-direction: column; align-items: center; justify-content: center;
  text-align: center; padding: 24px; gap: 4px;
}
.not-found .code-404 {
  font-family: var(--mono); font-size: clamp(4.5rem, 14vw, 8rem); font-weight: 600; line-height: 1; letter-spacing: -0.06em;
  background: linear-gradient(180deg, #fff 10%, rgba(255, 255, 255, 0.15)); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.not-found h1 { font-size: 1.6rem; margin-top: 12px; }
.not-found .lede { margin-bottom: 28px; }

/* ---------- responsive ---------- */
@media (max-width: 1080px) {
  .fc-policy { left: -12px; }
  .fc-budget { right: -8px; }
  .steps { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .steps li:nth-child(4) { border-left: 0; }
  .steps li:nth-child(n + 4) { border-top: 1px solid var(--line); }
  .docs-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 920px) {
  .hero { padding-top: 48px; }
  .hero-grid { grid-template-columns: 1fr; gap: 72px; }
  .hero-visual { max-width: 600px; margin: 0 auto; width: 100%; }
  .hero-strip { grid-template-columns: repeat(2, minmax(0, 1fr)); margin-top: 88px; }
  .hero-strip > div:nth-child(3) { padding-left: 0; border-left: 0; }
  .hero-strip > div:nth-child(n + 3) { border-top: 1px solid var(--line); }
  .bento { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .card, .card-lg { grid-column: span 1; }
  .card:last-child { grid-column: span 2; }
  .split { grid-template-columns: 1fr; padding: 24px; gap: 24px; }
  .try-layout { grid-template-columns: 1fr; }
  .try-grid { grid-template-rows: none; grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .diagram { overflow-x: auto; }
  .diagram svg { min-width: 720px; }
}

@media (max-width: 760px) {
  :root { --header-h: 58px; }
  .wrap { padding: 0 20px; }
  .nav-toggle { display: inline-block; }
  .brand-tag { display: none; }
  .site-nav {
    position: absolute; top: calc(var(--header-h) - 4px); left: 12px; right: 12px;
    flex-direction: column; align-items: stretch; gap: 2px; padding: 8px;
    border-radius: 16px; border: 1px solid var(--line-2);
    background: rgba(14, 15, 18, 0.94); -webkit-backdrop-filter: blur(18px); backdrop-filter: blur(18px);
    box-shadow: 0 24px 60px -12px rgba(0, 0, 0, 0.8);
    opacity: 0; transform: translateY(-6px) scale(0.98); pointer-events: none; visibility: hidden;
    transition: opacity 0.22s var(--ease), transform 0.22s var(--ease), visibility 0.22s;
  }
  .site-nav.is-open { opacity: 1; transform: none; pointer-events: auto; visibility: visible; }
  .site-nav a { padding: 12px 14px; font-size: 0.98rem; }
  .site-nav a.is-active::after { display: none; }
  .site-nav .nav-cta { margin: 6px 0 0; justify-content: center; }
  .site-header:has(.site-nav.is-open) { background: rgba(7, 8, 10, 0.9); border-bottom-color: var(--line); }

  .section { padding-top: 88px; }
  .section-head { margin-bottom: 32px; }
  .hero-actions .btn { flex: 1 1 auto; }
  .hero-actions .btn-ghost { flex-basis: 100%; }
  .float-card { display: none; }
  .orbit { display: none; }
  .log-row { grid-template-columns: 40px 64px 1fr 16px; gap: 8px; }
  .steps { grid-template-columns: 1fr; }
  .steps li + li, .steps li:nth-child(4) { border-left: 0; border-top: 1px solid var(--line); }
  .try-grid { grid-template-columns: 1fr; }
  .copy-inline { position: static; margin-top: 14px; }
  .cta { margin-top: 88px; padding: 52px 20px; }
}

@media (max-width: 560px) {
  .bento { grid-template-columns: 1fr; }
  .card, .card-lg, .card:last-child { grid-column: auto; min-height: 0; }
  .docs-grid { grid-template-columns: 1fr; }
  .hero-strip { grid-template-columns: 1fr; }
  .hero-strip > div, .hero-strip > div + div { padding: 16px 0; border-left: 0; }
  .hero-strip > div + div { border-top: 1px solid var(--line); }
  .code { font-size: 0.78rem; }
  .code .ln { margin-right: 10px; }
  .checks b:not(.wait) { display: none; }
  .checks b:first-child { display: inline-block; }
  .announce-sep, .announce-link { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
  html { scroll-behavior: auto; }
  .js [data-reveal], .js .hero-copy > *, .js .hero-visual { opacity: 1; transform: none; }
  .diagram .pulse { display: none; }
}