/* ============================================================================
   site/index.css: the project page. The palette and type are tokens.css (shared with the
   console); this file is layout and the few effects. The site's policy refuses inline style and
   all script, so everything visual is here, and every motion stops for prefers-reduced-motion.

   01 Fonts  02 Base  03 Bar  04 Hero  05 Sections  06 Verify  07 Evidence  08 How
   09 Design  10 Limits  11 Start  12 Footer  13 Responsive and motion
   ============================================================================ */

/* ----- 01 Fonts: the console's own files, unmodified (fonts/*-OFL.txt) ----- */
@font-face {
    font-family: "Inter";
    src: url("fonts/InterVariable.woff2") format("woff2");
    font-weight: 100 900;
    font-style: normal;
    font-display: swap;
}
@font-face {
    font-family: "Cinzel";
    src: url("fonts/Cinzel-Variable.ttf") format("truetype");
    font-weight: 400 900;
    font-style: normal;
    font-display: swap;
}
@font-face {
    font-family: "JetBrains Mono";
    src: url("fonts/JetBrainsMono-Regular.woff2") format("woff2");
    font-weight: 400;
    font-style: normal;
    font-display: swap;
}

/* ----- 02 Base ---------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; -webkit-text-size-adjust: 100%; }
body {
    margin: 0;
    background: var(--ground);
    color: var(--ink-2);
    font: 400 17px/1.65 var(--font-sans);
    font-feature-settings: "cv11", "ss01";
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}
img { display: block; max-width: 100%; height: auto; }
a { color: var(--ink); text-decoration: underline; text-decoration-color: var(--gold-deep);
    text-underline-offset: 3px; text-decoration-thickness: 1px; transition: color .15s, text-decoration-color .15s; }
a:hover { color: var(--gold); text-decoration-color: var(--gold); }
:focus-visible { outline: 2px solid var(--gold); outline-offset: 3px; border-radius: 3px; }
b, strong { color: var(--ink); font-weight: 600; }
code { font: 400 0.86em var(--font-mono); color: var(--ink); background: var(--surface-2);
       border: 1px solid var(--line); border-radius: 4px; padding: 0.1em 0.4em; }
p { margin: 0 0 1.1em; }
h1, h2, h3 { color: var(--ink); margin: 0; font-weight: 600; }

.skip { position: absolute; left: 16px; top: -48px; z-index: 50; padding: 10px 16px;
        background: var(--gold); color: var(--ground); font-weight: 600; border-radius: 6px;
        text-decoration: none; }
.skip:focus { top: 12px; }

.wrap { max-width: 1160px; margin: 0 auto; padding: 0 40px; }

/* ----- 03 Bar ----------------------------------------------------------- */
.bar { position: sticky; top: 0; z-index: 20; border-bottom: 1px solid var(--line);
       background: rgba(9, 9, 11, 0.78); -webkit-backdrop-filter: saturate(140%) blur(14px);
       backdrop-filter: saturate(140%) blur(14px); }
.bar-in { max-width: 1160px; margin: 0 auto; padding: 0 40px; height: 64px;
          display: flex; align-items: center; gap: 28px; }
.mark { display: flex; align-items: center; gap: 12px; text-decoration: none; color: var(--gold); }
.mark span { font: 600 15px/1 var(--font-display); letter-spacing: 0.22em; text-transform: uppercase; }
.mark:hover { color: var(--gold); }
.bar nav { display: flex; gap: 26px; margin-left: 12px; }
.bar nav a { color: var(--ink-2); text-decoration: none; font-size: 14px; font-weight: 500; }
.bar nav a:hover { color: var(--ink); }
.tag { margin-left: auto; font: 500 11px/1 var(--font-mono); letter-spacing: 0.14em;
       text-transform: uppercase; color: var(--warn); border: 1px solid rgba(227, 181, 91, 0.45);
       background: var(--warn-wash); padding: 6px 9px; border-radius: 999px; }
.gh { font-size: 14px; font-weight: 500; text-decoration: none; color: var(--ink);
      border: 1px solid var(--line-strong); padding: 8px 14px; border-radius: 8px; }
.gh:hover { border-color: var(--gold-deep); color: var(--gold); }

/* ----- 04 Hero: the pole star, and the sky turning around it ------------- */
.hero-band { position: relative; overflow: hidden; isolation: isolate; }
.hero-band::before { content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none;
    background:
        radial-gradient(ellipse 46% 70% at 70% 44%, rgba(13, 38, 77, 0.9), transparent 72%),
        radial-gradient(ellipse 22% 30% at 70% 44%, rgba(221, 202, 155, 0.07), transparent 70%),
        linear-gradient(180deg, transparent 70%, var(--ground)); }
.hero { position: relative; display: grid;
        grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
        grid-template-areas: "copy sky" "proof proof";
        max-width: 1160px; margin: 0 auto; padding: 0 40px;
        min-height: min(calc(100vh - 64px), 860px); align-content: center; column-gap: 40px; }
.hero-copy { grid-area: copy; align-self: center; padding: 72px 0 56px; }
.eyebrow { font: 500 12px/1 var(--font-mono); letter-spacing: 0.16em; text-transform: uppercase;
           color: var(--gold); margin-bottom: 28px; }
.hero h1 { font-size: clamp(42px, 5.4vw, 70px); line-height: 1.04; letter-spacing: -0.028em;
           font-weight: 600; max-width: 13ch; margin-bottom: 28px; }
.hero h1 .nb { white-space: nowrap; }
.hero h1 em { font-style: normal; color: var(--gold); }
.lead { font-size: 19px; line-height: 1.6; max-width: 34em; color: var(--ink-2); margin-bottom: 36px; }
.cta { display: flex; flex-wrap: wrap; gap: 14px; }
.btn { display: inline-flex; align-items: center; height: 48px; padding: 0 22px; border-radius: 9px;
       font-size: 15px; font-weight: 600; text-decoration: none; transition: background .15s, border-color .15s, color .15s, transform .15s; }
.btn-gold { background: var(--gold); color: var(--ground); }
.btn-gold:hover { background: var(--ink); color: var(--ground); transform: translateY(-1px); }
.btn-line { border: 1px solid var(--line-strong); color: var(--ink); }
.btn-line:hover { border-color: var(--gold-deep); color: var(--gold); }

.sky { grid-area: sky; position: relative; align-self: center; justify-self: center;
       width: min(520px, 100%); aspect-ratio: 1; }
.sky::before { content: ""; position: absolute; inset: -12%; border-radius: 50%; opacity: 0.7;
    background-image:
        radial-gradient(1.2px 1.2px at 12% 22%, var(--ink) 50%, transparent 51%),
        radial-gradient(1px 1px at 84% 14%, var(--ink-2) 50%, transparent 51%),
        radial-gradient(1px 1px at 72% 88%, var(--ink-2) 50%, transparent 51%),
        radial-gradient(1.4px 1.4px at 22% 78%, var(--gold) 50%, transparent 51%),
        radial-gradient(1px 1px at 92% 58%, var(--ink-3) 50%, transparent 51%),
        radial-gradient(1px 1px at 6% 52%, var(--ink-3) 50%, transparent 51%),
        radial-gradient(1px 1px at 46% 6%, var(--ink-3) 50%, transparent 51%),
        radial-gradient(1.2px 1.2px at 58% 96%, var(--ink-2) 50%, transparent 51%);
    animation: turn 150s linear infinite; will-change: transform; }
.sky::after { content: ""; position: absolute; inset: -20%; border-radius: 50%; opacity: 0.55;
    pointer-events: none;
    background-image:
        radial-gradient(1.0px 1.0px at 59% 89%, var(--ink-2) 50%, transparent 51%),
        radial-gradient(1.0px 1.0px at 46% 81%, var(--ink-3) 50%, transparent 51%),
        radial-gradient(1.2px 1.2px at 31% 82%, var(--ink-3) 50%, transparent 51%),
        radial-gradient(1.0px 1.0px at 49% 76%, var(--ink-3) 50%, transparent 51%),
        radial-gradient(1.2px 1.2px at 18% 51%, var(--ink-2) 50%, transparent 51%),
        radial-gradient(1.0px 1.0px at 57% 66%, var(--ink-2) 50%, transparent 51%),
        radial-gradient(1.0px 1.0px at 10% 35%, var(--ink-3) 50%, transparent 51%),
        radial-gradient(0.8px 0.8px at 11% 32%, var(--ink-3) 50%, transparent 51%),
        radial-gradient(1.2px 1.2px at 27% 71%, var(--ink-3) 50%, transparent 51%),
        radial-gradient(1.0px 1.0px at 84% 67%, var(--ink-3) 50%, transparent 51%),
        radial-gradient(1.2px 1.2px at 18% 48%, var(--ink-3) 50%, transparent 51%),
        radial-gradient(0.8px 0.8px at 20% 67%, var(--ink-3) 50%, transparent 51%),
        radial-gradient(1.0px 1.0px at 79% 48%, var(--gold) 50%, transparent 51%),
        radial-gradient(1.0px 1.0px at 85% 25%, var(--ink-3) 50%, transparent 51%),
        radial-gradient(1.2px 1.2px at 73% 17%, var(--gold) 50%, transparent 51%),
        radial-gradient(0.8px 0.8px at 48% 70%, var(--ink-2) 50%, transparent 51%),
        radial-gradient(0.8px 0.8px at 13% 26%, var(--ink-2) 50%, transparent 51%),
        radial-gradient(0.8px 0.8px at 92% 71%, var(--ink-2) 50%, transparent 51%),
        radial-gradient(1.0px 1.0px at 74% 29%, var(--ink-3) 50%, transparent 51%),
        radial-gradient(1.2px 1.2px at 16% 78%, var(--ink-2) 50%, transparent 51%),
        radial-gradient(1.0px 1.0px at 53% 4%, var(--ink-3) 50%, transparent 51%),
        radial-gradient(1.0px 1.0px at 15% 51%, var(--ink-3) 50%, transparent 51%);
    animation: turn 240s linear infinite; will-change: transform; }
.trail { position: absolute; border-radius: 50%;
    -webkit-mask: radial-gradient(farthest-side, transparent calc(100% - 1.6px), #000 calc(100% - 1.2px));
            mask: radial-gradient(farthest-side, transparent calc(100% - 1.6px), #000 calc(100% - 1.2px));
    animation: turn linear infinite; will-change: transform; }
.t1 { inset: 30%; animation-duration: 36s;
      background: conic-gradient(from 20deg, transparent 0 52%, rgba(221, 202, 155, 0.55) 74%, transparent 75%); }
.t2 { inset: 22%; animation-duration: 48s;
      background: conic-gradient(from 160deg, transparent 0 40%, rgba(221, 202, 155, 0.40) 66%, transparent 67%); }
.t3 { inset: 14%; animation-duration: 62s;
      background: conic-gradient(from 260deg, transparent 0 58%, rgba(244, 244, 245, 0.30) 80%, transparent 81%); }
.t4 { inset: 7%; animation-duration: 78s;
      background: conic-gradient(from 90deg, transparent 0 46%, rgba(221, 202, 155, 0.30) 70%, transparent 71%); }
.t5 { inset: 0; animation-duration: 96s;
      background: conic-gradient(from 300deg, transparent 0 62%, rgba(143, 179, 232, 0.28) 84%, transparent 85%); }
.t6 { inset: -7%; animation-duration: 120s;
      background: conic-gradient(from 200deg, transparent 0 50%, rgba(221, 202, 155, 0.20) 68%, transparent 69%); }
.pole { position: absolute; z-index: 1; left: 50%; top: 50%; width: 38%; transform: translate(-50%, -50%);
        filter: drop-shadow(0 0 28px rgba(221, 202, 155, 0.22)) drop-shadow(0 18px 40px rgba(0, 0, 0, 0.6)); }
/* The glow behind the pole star breathes: brighter, then dying down. Opacity and scale only,
   so the compositor animates it without repainting. */
.halo { position: absolute; left: 50%; top: 50%; width: 64%; aspect-ratio: 1; border-radius: 50%;
        transform: translate(-50%, -50%); pointer-events: none;
        background: radial-gradient(closest-side, rgba(221, 202, 155, 0.34), rgba(221, 202, 155, 0.12) 55%, transparent);
        animation: breathe 7s ease-in-out infinite; will-change: opacity, transform; }
@keyframes breathe {
    0%, 100% { opacity: 0.35; transform: translate(-50%, -50%) scale(0.9); }
    50%      { opacity: 1;    transform: translate(-50%, -50%) scale(1.08); } }
@keyframes turn { to { transform: rotate(360deg); } }

.proof { grid-area: proof; list-style: none; margin: 8px 0 0; padding: 0;
         display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); }
.proof li { padding: 22px 24px 30px 0; display: flex; flex-direction: column; gap: 4px; }
.proof li + li { padding-left: 24px; border-left: 1px solid var(--line); }
.proof b { font-size: 15px; }
.proof span { font-size: 13.5px; color: var(--ink-3); line-height: 1.45; }

/* ----- 05 Sections ------------------------------------------------------ */
.band { padding: 128px 0; border-top: 1px solid var(--line); }
.num { font: 600 15px/1 var(--font-display); letter-spacing: 0.3em; color: var(--gold);
       display: flex; align-items: center; gap: 14px; margin-bottom: 22px; }
.num::after { content: ""; width: 40px; height: 1px; background: linear-gradient(90deg, var(--gold-deep), transparent); }
.band h2 { font-size: clamp(30px, 3.6vw, 46px); line-height: 1.1; letter-spacing: -0.022em;
           margin-bottom: 26px; max-width: 20ch; }
.intro { max-width: 46em; }
.src { font-size: 14px; color: var(--ink-3); margin-top: 28px; }
.src a { color: var(--ink-2); }
.split { display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 6fr); gap: 56px; align-items: start; }
.more { display: flex; flex-wrap: wrap; gap: 8px 22px; font-size: 15px; margin-top: 28px; }
.more a::after { content: " \2192"; }

/* ----- 06 Verify: the transcript --------------------------------------- */
.term { margin: 0; background: var(--sunken); border: 1px solid var(--line-strong); border-radius: 12px;
        box-shadow: 0 30px 80px -30px rgba(0, 0, 0, 0.8), 0 0 0 1px rgba(255, 255, 255, 0.02) inset; overflow: hidden; }
.term-bar { display: flex; align-items: center; gap: 7px; height: 38px; padding: 0 14px;
            border-bottom: 1px solid var(--line); background: var(--surface); }
.term-bar i { width: 10px; height: 10px; border-radius: 50%; background: var(--line-strong); }
.term-bar span { margin-left: 10px; font: 400 12px/1 var(--font-mono); color: var(--ink-3); }
.term pre { margin: 0; padding: 22px 24px; overflow-x: auto; }
.term code { background: none; border: 0; padding: 0; font: 400 12.5px/1.75 var(--font-mono); color: var(--ink-2); white-space: pre; }
.term .c { color: var(--gold-deep); }
.term .d { color: var(--ink-3); }
.term .ok { color: var(--ok); }
.term .res { color: var(--ok); font-weight: 400; }
/* After every `font` shorthand, which resets it: JetBrains Mono would draw == as one glyph. */
code, .term code { font-variant-ligatures: none; }
.term figcaption { padding: 14px 24px 18px; border-top: 1px solid var(--line); font-size: 12.5px;
                   line-height: 1.55; color: var(--ink-3); }

/* ----- 07 Evidence ------------------------------------------------------ */
.roster { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; margin-top: 56px; }
.roster h3 { font: 500 12px/1 var(--font-mono); letter-spacing: 0.14em; text-transform: uppercase;
             color: var(--ink-3); padding-bottom: 14px; border-bottom: 1px solid var(--line-strong); }
.roster ul { list-style: none; margin: 0; padding: 0; }
.roster li { display: flex; justify-content: space-between; gap: 18px; align-items: baseline;
             padding: 13px 0; border-bottom: 1px solid var(--line); }
.roster li b { font-size: 15.5px; font-weight: 500; }
.roster li span { font-size: 13.5px; color: var(--ink-3); text-align: right; }

.cert { display: flex; gap: 28px; align-items: center; margin-top: 64px; padding: 28px;
        background: var(--surface); border: 1px solid var(--line); border-radius: 12px; }
.cert-mark { flex: none; }
.cert-mark img { border-radius: 4px; }
.cert p { margin: 0; font-size: 14.5px; line-height: 1.6; }

.zeros { margin-top: 64px; }
.zeros h3 { font-size: 20px; margin-bottom: 22px; }
.zeros dl { display: grid; grid-template-columns: repeat(4, 1fr); margin: 0 0 22px;
            border-top: 1px solid var(--line-strong); border-bottom: 1px solid var(--line); }
.zeros dl div { padding: 22px 22px 22px 0; }
.zeros dl div + div { padding-left: 22px; border-left: 1px solid var(--line); }
.zeros dt { font-size: 13px; color: var(--ink-3); margin-bottom: 8px; }
.zeros dd { margin: 0; font-size: 28px; font-weight: 600; color: var(--ink); letter-spacing: -0.02em; }
.zeros > p { max-width: 46em; font-size: 15px; color: var(--ink-3); }

/* ----- 08 How it works -------------------------------------------------- */
.flow { list-style: none; margin: 48px 0 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; }
.flow li { position: relative; padding-top: 30px; border-top: 1px solid var(--line-strong); }
.flow li::before { content: ""; position: absolute; top: -4px; left: 0; width: 7px; height: 7px;
                   border-radius: 50%; background: var(--gold); box-shadow: 0 0 0 4px var(--ground); }
.step { display: block; font: 600 20px/1 var(--font-display); letter-spacing: 0.12em; color: var(--gold);
        text-transform: uppercase; margin-bottom: 16px; }
.flow p { font-size: 16px; }
.kit { display: grid; grid-template-columns: repeat(2, max-content); gap: 10px 12px; margin-top: 44px; }
.kit code { font-size: 13px; padding: 8px 12px; border-radius: 7px; color: var(--ink-2); }

/* ----- 09 Design -------------------------------------------------------- */
.rules { width: 100%; border-collapse: collapse; margin-top: 48px; font-size: 15.5px; }
.rules thead th { font: 500 12px/1 var(--font-mono); letter-spacing: 0.14em; text-transform: uppercase;
                  color: var(--ink-3); text-align: left; padding: 0 0 14px; border-bottom: 1px solid var(--line-strong); }
.rules tbody th { color: var(--ink); font-weight: 500; text-align: left; width: 46%; }
.rules tbody th, .rules td { padding: 17px 24px 17px 0; border-bottom: 1px solid var(--line); vertical-align: top; }
.rules td { color: var(--ink-2); }
.hard { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; margin-top: 72px; }
.hard h3 { font-size: 18px; margin-bottom: 12px; padding-top: 20px; position: relative; }
.hard h3::before { content: ""; position: absolute; top: 0; left: 0; width: 28px; height: 2px; background: var(--gold); }
.hard p { font-size: 15.5px; }

/* ----- 10 Limits -------------------------------------------------------- */
.limits { background:
    linear-gradient(180deg, rgba(227, 181, 91, 0.045), transparent 70%); }
.limits .num { color: var(--warn); }
.nots { list-style: none; margin: 40px 0 48px; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 0 48px; }
.nots li { padding: 20px 0 20px 26px; border-bottom: 1px solid var(--line); position: relative; font-size: 16.5px; }
.nots li::before { content: ""; position: absolute; left: 0; top: 30px; width: 10px; height: 2px; background: var(--warn); }

/* ----- 11 Start --------------------------------------------------------- */
.paths { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 48px; }
.paths a { display: flex; flex-direction: column; gap: 10px; padding: 26px 24px 28px; text-decoration: none;
           background: var(--surface); border: 1px solid var(--line); border-radius: 12px;
           transition: border-color .2s, transform .2s, background .2s; }
.paths a:hover { border-color: var(--gold-deep); transform: translateY(-3px); background: var(--surface-2); }
.paths .who { font: 500 11.5px/1.4 var(--font-mono); letter-spacing: 0.12em; text-transform: uppercase; color: var(--gold); }
.paths b { font-size: 18px; line-height: 1.3; }
.paths a > span:last-child { font-size: 14.5px; line-height: 1.55; color: var(--ink-2); }

/* ----- 12 Footer -------------------------------------------------------- */
.foot { border-top: 1px solid var(--line); padding: 72px 0 56px; background: var(--sunken); }
.foot-in { display: flex; flex-direction: column; align-items: center; text-align: center; gap: 18px; }
.maker img { width: 192px; opacity: 0.92; }
.maker:hover img { opacity: 1; }
.motto { font: 500 12px/1.6 var(--font-display); letter-spacing: 0.24em; text-transform: uppercase; color: var(--ink-3); margin: 0; }
.fine { font-size: 13px; color: var(--ink-3); margin: 0; }
.fine a { color: var(--ink-2); }

/* ----- 13 Responsive and motion ----------------------------------------- */
@media (max-width: 1080px) {
    .bar nav { gap: 18px; }
    .paths { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 900px) {
    .wrap, .bar-in, .hero { padding-left: 24px; padding-right: 24px; }
    .bar nav { display: none; }
    .hero { grid-template-columns: 1fr; grid-template-areas: "sky" "copy" "proof"; min-height: 0; }
    .hero h1 .nb { white-space: normal; }
    .hero-band::before { background:
        radial-gradient(ellipse 90% 34% at 50% 16%, rgba(13, 38, 77, 0.9), transparent 75%),
        linear-gradient(180deg, transparent 70%, var(--ground)); }
    .zeros dd { font-size: 22px; }
    .kit { grid-template-columns: 1fr; }
    .kit code { overflow-x: auto; }
    .sky { width: min(340px, 82vw); margin-top: 40px; }
    .hero-copy { padding: 24px 0 48px; }
    .proof { grid-template-columns: 1fr 1fr; }
    .proof li, .proof li + li { padding: 18px 16px 18px 0; border-left: 0; }
    .proof li:nth-child(even) { padding-left: 16px; border-left: 1px solid var(--line); }
    .proof li:nth-child(n+3) { border-top: 1px solid var(--line); }
    .band { padding: 88px 0; }
    .split, .roster, .flow, .hard, .nots { grid-template-columns: 1fr; gap: 32px; }
    .nots { gap: 0; }
    .zeros dl { grid-template-columns: 1fr 1fr; }
    .zeros dl div, .zeros dl div + div { padding: 18px 16px 18px 0; border-left: 0; }
    .zeros dl div:nth-child(even) { padding-left: 16px; border-left: 1px solid var(--line); }
    .zeros dl div:nth-child(n+3) { border-top: 1px solid var(--line); }
    .cert { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 560px) {
    body { font-size: 16px; }
    .gh { display: none; }
    .lead { font-size: 17px; }
    .paths { grid-template-columns: 1fr; }
    .rules thead { display: none; }
    .rules tbody tr { display: block; padding: 16px 0; border-bottom: 1px solid var(--line); }
    .rules tbody th, .rules td { display: block; width: auto; padding: 0; border: 0; }
    .rules td { margin-top: 6px; font-size: 14.5px; }
    .roster li { flex-direction: column; gap: 2px; }
    .roster li span { text-align: left; }
}
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    .trail, .sky::before, .sky::after, .halo { animation: none; }
    .halo { opacity: 0.6; }
    .btn, .paths a { transition: none; }
}
@media print {
    .bar, .sky, .cta, .skip { display: none; }
    body { background: #fff; color: #000; }
}