/* Copyright 2026 VibeThinker J Lens contributors. SPDX-License-Identifier: Apache-2.0 */
@font-face { font-family: "EB Garamond"; src: url("assets/fonts/EBGaramond-400.woff2") format("woff2"); font-weight: 400; font-display: swap; }
@font-face { font-family: "EB Garamond"; src: url("assets/fonts/EBGaramond-700.woff2") format("woff2"); font-weight: 700; font-display: swap; }
@font-face { font-family: "JetBrains Mono"; src: url("assets/fonts/JetBrainsMono-400.woff2") format("woff2"); font-weight: 400; font-display: swap; }
@font-face { font-family: "JetBrains Mono"; src: url("assets/fonts/JetBrainsMono-700.woff2") format("woff2"); font-weight: 700; font-display: swap; }

:root {
  --paper: #f1eee4;
  --paper-light: #faf8f1;
  --ink: #17262b;
  --muted: #5e6b6c;
  --line: #b9b8ad;
  --cyan: #0a9eaa;
  --cyan-dark: #08727a;
  --focus-ring: #17262b;
  --focus-halo: #fffdf7;
  --red: #d44e2f;
  --yellow: #d7b83c;
  --serif: "EB Garamond", Georgia, serif;
  --mono: "JetBrains Mono", monospace;
  color-scheme: light;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: var(--serif); font-size: 19px; line-height: 1.48; }
a { color: inherit; }
a:focus-visible, button:focus-visible, [tabindex]:focus-visible {
  outline: 3px solid var(--focus-ring);
  outline-offset: 3px;
  box-shadow: 0 0 0 7px var(--focus-halo);
}
.skip-link { position: fixed; top: 8px; left: 8px; z-index: 20; transform: translateY(-160%); background: var(--ink); color: white; padding: 8px 12px; font: 700 13px var(--mono); }
.skip-link:focus { transform: none; }

.site-header { min-height: 86px; display: flex; align-items: center; justify-content: space-between; gap: 32px; padding: 16px clamp(22px, 5vw, 76px); border-bottom: 1px solid var(--ink); }
.wordmark { display: inline-flex; gap: 12px; align-items: center; text-decoration: none; font: 400 12px/1.25 var(--mono); letter-spacing: .03em; text-transform: uppercase; }
.wordmark strong { font-weight: 700; }
.wordmark-mark { display: grid; place-items: center; width: 43px; height: 43px; border: 1px solid var(--ink); background: var(--cyan); color: white; font: 700 25px var(--serif); box-shadow: 5px 5px 0 var(--ink); }
.site-header nav { display: flex; gap: 24px; font: 700 12px var(--mono); text-transform: uppercase; }
.site-header nav a { text-decoration-thickness: 1px; text-underline-offset: 5px; }
.site-header nav a[aria-current="page"] { color: var(--cyan-dark); text-decoration-thickness: 3px; }

main { overflow-x: clip; }
.visual-intro { border-bottom: 1px solid var(--ink); background: #07090a; }
.visual-intro img { display: block; width: min(100%, 1200px); height: auto; margin: 0 auto; }
.hero { min-height: 720px; display: grid; grid-template-columns: minmax(90px, .24fr) minmax(440px, 1.35fr) minmax(320px, .72fr); gap: clamp(28px, 5vw, 78px); padding: clamp(64px, 9vw, 132px) clamp(22px, 5vw, 76px) 88px; border-bottom: 1px solid var(--ink); background: linear-gradient(90deg, transparent 0 69%, rgba(10,158,170,.08) 69% 100%); }
.hero-index { display: flex; flex-direction: column; align-items: flex-start; gap: 5px; padding-top: 13px; font: 400 11px var(--mono); text-transform: uppercase; writing-mode: vertical-rl; transform: rotate(180deg); }
.hero-index strong { font-size: 34px; color: var(--red); }
.kicker { margin: 0 0 18px; color: var(--cyan-dark); font: 700 12px var(--mono); letter-spacing: .08em; text-transform: uppercase; }
h1 { max-width: 800px; margin: 0; font-size: clamp(70px, 9.2vw, 148px); font-weight: 400; letter-spacing: -.055em; line-height: .76; }
h1 em { color: var(--red); font-weight: 400; }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; margin: -1px; padding: 0; border: 0; clip: rect(0 0 0 0); clip-path: inset(50%); white-space: nowrap; }
.dek { max-width: 700px; margin: 44px 0 0; font-size: clamp(22px, 2.2vw, 34px); line-height: 1.18; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 36px; }
.button { display: inline-flex; min-height: 50px; align-items: center; border: 1px solid var(--ink); padding: 11px 17px; font: 700 12px var(--mono); text-decoration: none; text-transform: uppercase; }
.button.primary { background: var(--ink); color: var(--paper-light); }
.button:hover { background: var(--cyan-dark); color: white; }
.status-card { align-self: end; border-top: 8px solid var(--cyan); border-bottom: 1px solid var(--ink); padding: 18px 0 0; }
.status-label, .package-grid article > span, .figure-meta { font: 700 10px var(--mono); letter-spacing: .06em; text-transform: uppercase; }
.status-outcomes { display: grid; gap: 18px; margin-top: 13px; }
.status-outcomes > div { border-top: 1px solid var(--line); padding-top: 10px; }
.status-outcomes span { display: block; color: var(--muted); font: 700 10px var(--mono); letter-spacing: .06em; text-transform: uppercase; }
.status-outcomes strong { display: block; margin-top: 5px; font: 400 clamp(25px, 2.35vw, 36px)/1.03 var(--serif); }
.status-card > p { margin: 14px 0 0; color: #354346; font-size: 17px; }
.status-card dl { margin: 26px 0 0; border-top: 1px solid var(--line); font: 400 11px var(--mono); }
.status-card dl div { display: flex; justify-content: space-between; gap: 12px; border-bottom: 1px solid var(--line); padding: 9px 0; }
.status-card dt { color: var(--muted); }
.status-card dd { margin: 0; text-align: right; }

.result-section, .explorer-section, .run-section, .package-section { display: grid; grid-template-columns: minmax(70px, .2fr) minmax(300px, .72fr) minmax(520px, 1.35fr); gap: clamp(28px, 5vw, 78px); padding: 92px clamp(22px, 5vw, 76px); border-bottom: 1px solid var(--ink); }
.section-number { color: var(--red); font: 700 18px var(--mono); }
h2 { margin: 0; font-size: clamp(44px, 5vw, 73px); font-weight: 400; letter-spacing: -.035em; line-height: .92; }
.hero-summary-title { max-width: 720px; }
.section-intro > p:last-child, .explorer-copy > p { max-width: 620px; color: #3e4b4d; }
.table-wrap { overflow-x: auto; }
.table-scroll-hint { display: none; }
table { width: 100%; border-collapse: collapse; font: 400 12px/1.35 var(--mono); }
th, td { border-bottom: 1px solid var(--line); padding: 14px 12px; text-align: right; white-space: nowrap; }
th:first-child { padding-left: 0; text-align: left; }
thead th { border-color: var(--ink); color: var(--muted); font-size: 12px; text-transform: uppercase; }
.result-note { grid-column: 3; display: grid; gap: 14px; border-left: 4px solid var(--red); padding-left: 16px; font-size: 17px; }
.result-note p { margin: 0; }
.result-note strong { font-family: var(--mono); font-size: .72em; letter-spacing: .04em; text-transform: uppercase; }

.explorer-section { grid-template-columns: minmax(70px, .2fr) minmax(360px, .8fr) minmax(520px, 1.25fr); background: var(--paper-light); }
.plain-list { margin: 25px 0; padding: 0; list-style: none; font: 400 12px/1.5 var(--mono); }
.plain-list li { border-top: 1px solid var(--line); padding: 9px 0; }
.plain-list li:last-child { border-bottom: 1px solid var(--line); }
.text-link { min-height: 44px; display: inline-flex; align-items: center; font: 700 12px var(--mono); text-underline-offset: 5px; text-transform: uppercase; }
.trace-figure { align-self: center; margin: 0; border: 1px solid var(--ink); padding: 18px; background: var(--paper); box-shadow: 12px 12px 0 rgba(23,38,43,.14); }
.figure-meta { display: flex; justify-content: space-between; padding-bottom: 14px; }
.lens-map { min-height: 230px; display: grid; grid-template-columns: minmax(0, 1fr) auto 120px; align-items: center; gap: 18px; border-block: 1px solid var(--ink); padding: 24px 0; }
.source-layer-grid { display: grid; grid-template-columns: repeat(6, minmax(34px, 1fr)); gap: 7px; }
.source-layer-grid span { display: grid; min-height: 46px; place-items: center; border: 1px solid var(--ink); background: rgba(10,158,170,.16); font: 700 11px var(--mono); }
.source-layer-grid span:nth-last-child(-n+6) { background: rgba(10,158,170,.3); }
.map-arrow { color: var(--red); font: 400 50px/1 var(--serif); }
.target-layer { display: grid; min-height: 150px; place-items: center; border: 2px solid var(--red); background: rgba(214,76,43,.08); text-align: center; }
.target-layer span { font: 700 10px var(--mono); text-transform: uppercase; }
.target-layer strong { color: var(--red); font: 400 68px/1 var(--serif); }
.trace-figure > figcaption { margin: 12px 0 0; border-left: 4px solid var(--red); color: var(--ink); padding: 7px 0 7px 10px; font: 400 12px/1.4 var(--mono); }
.trace-figure > figcaption strong { display: block; margin-bottom: 2px; text-transform: uppercase; }

.run-section { background: var(--ink); color: var(--paper-light); }
.run-section .kicker, .run-section .section-number { color: #63d5db; }
.run-section .section-intro > p:last-child { color: #d5dbd8; }
.run-grid { display: grid; grid-template-columns: minmax(0, 1fr); border-top: 1px solid #607074; }
.run-grid article { min-width: 0; border-right: 1px solid #607074; border-bottom: 1px solid #607074; border-left: 1px solid #607074; padding: 22px; }
.run-grid article > span { color: #63d5db; font: 700 10px var(--mono); letter-spacing: .06em; text-transform: uppercase; }
.run-grid h3 { margin: 30px 0 12px; font-size: 31px; font-weight: 400; line-height: 1; }
.run-grid p { color: #d5dbd8; font-size: 16px; }
.run-grid code { font-family: var(--mono); font-size: .82em; }
.run-grid pre { max-width: 100%; overflow-x: auto; margin: 22px 0 0; border-left: 4px solid var(--red); background: #0d171b; padding: 16px; color: #f6f2e8; font: 400 12px/1.55 var(--mono); }
.run-grid pre:focus-visible { outline-color: #63d5db; box-shadow: 0 0 0 7px #0d171b; }
.run-grid pre code { font-size: inherit; }
.run-grid .run-note { grid-column: 1 / -1; margin: 0; border: 1px solid #607074; border-top: 0; padding: 16px 20px; color: #d5dbd8; font: 400 12px/1.5 var(--mono); }

.package-section { grid-template-columns: minmax(70px, .2fr) minmax(300px, .72fr) minmax(520px, 1.35fr); }
.package-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--ink); }
.package-grid article { min-height: 260px; border-right: 1px solid var(--ink); border-bottom: 1px solid var(--ink); padding: 20px; }
.package-grid article:first-child { border-left: 1px solid var(--ink); }
.package-grid h3 { margin: 42px 0 12px; font-size: 29px; font-weight: 400; line-height: 1; }
.package-grid p { color: #465356; font-size: 16px; }
.package-grid .release-destination { margin: 14px 0 0; font: 700 11px/1.35 var(--mono); letter-spacing: .02em; }
.release-destination a { color: var(--ink); text-decoration-thickness: 1px; text-underline-offset: 4px; }
.release-destination a:hover { text-decoration-thickness: 2px; }

footer { display: flex; justify-content: space-between; gap: 32px; padding: 24px clamp(22px, 5vw, 76px); background: var(--ink); color: var(--paper); font: 400 10px var(--mono); text-transform: uppercase; }
footer p { margin: 0; }
footer a { color: inherit; }

@media (max-width: 940px) {
  .hero, .result-section, .explorer-section, .run-section, .package-section { grid-template-columns: 48px 1fr; }
  .hero { min-height: 0; background: none; }
  .hero-index { grid-row: span 2; }
  .status-card, .table-wrap, .trace-figure, .run-grid, .package-grid, .result-note { grid-column: 2; }
  .package-grid { grid-template-columns: 1fr; }
  .package-grid article { border-left: 1px solid var(--ink); }
}
@media (max-width: 620px) {
  body { font-size: 17px; }
  .visual-intro img { width: 100%; height: min(92vw, 420px); object-fit: cover; object-position: left center; }
  .site-header { flex-direction: column; align-items: center; gap: 12px; padding: 12px 16px; }
  .site-header nav { width: 100%; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 4px; }
  .site-header nav a { display: inline-flex; min-height: 44px; align-items: center; justify-content: center; padding: 6px 2px; font-size: 12px; text-align: center; }
  .hero, .result-section, .explorer-section, .run-section, .package-section { grid-template-columns: 1fr; padding-block: 58px; }
  .hero-index, .section-number { writing-mode: initial; transform: none; flex-direction: row; }
  .hero-index { grid-row: auto; }
  .status-card, .table-wrap, .trace-figure, .run-grid, .package-grid, .result-note { grid-column: 1; }
  .table-scroll-hint { position: sticky; left: 0; display: block; width: max-content; margin: 0 0 8px; color: var(--muted); font: 700 12px var(--mono); text-transform: uppercase; }
  .hero-copy { min-width: 0; }
  h1 { max-width: 100%; padding-right: .08em; font-size: clamp(54px, 18vw, 76px); line-height: .88; letter-spacing: -.045em; text-wrap: balance; }
  .figure-meta { align-items: flex-start; gap: 14px; }
  .figure-meta span:last-child { text-align: right; }
  .lens-map { grid-template-columns: 1fr; gap: 8px; }
  .source-layer-grid { grid-template-columns: repeat(6, 1fr); }
  .map-arrow { transform: rotate(90deg); text-align: center; }
  .target-layer { min-height: 110px; }
  footer { flex-direction: column; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }