/* =========================================================
   Better Nether Mod — style.css
   Design seed: S01 Clean SaaS Editorial (light only)
   Palette taken from the Better Nether logo: crimson + warped teal + gold
   Font: Poppins (self-hosted, SIL OFL — see assets/fonts/OFL.txt)
   ========================================================= */

@font-face { font-family: "Poppins"; src: url("../fonts/poppins-regular.woff2") format("woff2"); font-weight: 400; font-style: normal; font-display: swap; }
@font-face { font-family: "Poppins"; src: url("../fonts/poppins-medium.woff2") format("woff2"); font-weight: 500; font-style: normal; font-display: swap; }
@font-face { font-family: "Poppins"; src: url("../fonts/poppins-semibold.woff2") format("woff2"); font-weight: 600; font-style: normal; font-display: swap; }
@font-face { font-family: "Poppins"; src: url("../fonts/poppins-bold.woff2") format("woff2"); font-weight: 700; font-style: normal; font-display: swap; }

:root {
  /* Light surfaces */
  --page: #fdfcfc;
  --surface: #ffffff;
  --crimson-mist: #fbeef0;
  --warped-mist: #eaf3ee;
  --gold-mist: #fff6e4;
  --line: #ece5e3;
  --line-strong: #dcd2cf;

  /* Brand */
  --crimson: #b9132d;     /* primary — red T in the logo */
  --crimson-deep: #8e0f23;
  --warped: #2e6d56;      /* supporting — teal T in the logo */
  --gold: #fdb841;        /* accent — gold B in the logo: CTAs, focus */
  --gold-deep: #e0981c;

  /* Text */
  --ink: #241e2e;
  --muted: #5f5866;

  --font: "Poppins", "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
  --wrap: 1180px;
  --header-h: 96px;
  --shadow-soft: 0 18px 40px -24px rgba(142, 15, 35, .22);
  --shadow-float: 0 10px 30px -14px rgba(36, 30, 46, .22);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 12px); }

body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.7;
  color: var(--ink);
  background: var(--page);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img, svg { max-width: 100%; height: auto; display: block; }
a { color: var(--crimson); text-underline-offset: 3px; text-decoration-thickness: 1px; }
a:hover { color: var(--warped); }

h1, h2, h3, h4 { margin: 0 0 .55em; color: var(--ink); line-height: 1.18; font-weight: 600; letter-spacing: -.02em; }
h1 { font-size: clamp(2.1rem, 4.6vw, 3.6rem); font-weight: 700; letter-spacing: -.035em; }
h2 { font-size: clamp(1.6rem, 3vw, 2.35rem); }
h3 { font-size: 1.12rem; letter-spacing: -.01em; }
p { margin: 0 0 1em; }

:focus-visible { outline: 2px solid var(--ink); outline-offset: 2px; box-shadow: 0 0 0 5px var(--gold); border-radius: 6px; }

.skip-link { position: absolute; left: 12px; top: -60px; z-index: 300; background: var(--ink); color: #fff; padding: 8px 16px; border-radius: 8px; text-decoration: none; }
.skip-link:focus { top: 12px; color: #fff; }

.wrap { width: min(100% - 40px, var(--wrap)); margin-inline: auto; }
.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; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: .55em; font: inherit; font-weight: 600; font-size: .95rem;
  padding: .85em 1.35em; border-radius: 12px; border: 1px solid transparent; text-decoration: none; cursor: pointer; line-height: 1.2;
  transition: background-color .2s ease, transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.btn svg { width: 18px; height: 18px; flex: none; }
.btn-primary { background: var(--gold); color: var(--ink); box-shadow: 0 8px 20px -10px rgba(224, 152, 28, .75); }
.btn-primary:hover { background: #fec862; color: var(--ink); transform: translateY(-1px); }
.btn-quiet { background: transparent; color: var(--crimson); border-color: var(--line-strong); }
.btn-quiet:hover { border-color: var(--crimson); color: var(--crimson-deep); background: var(--crimson-mist); }
.btn-lg { font-size: 1rem; padding: 1em 1.6em; }

/* ---------- Floating header ---------- */
#site-header { position: sticky; top: 0; z-index: 100; padding: 14px 0 0; }
.hdr {
  position: relative; display: flex; align-items: center; justify-content: space-between; gap: 18px;
  min-height: 62px; padding: 6px 10px 6px 14px; background: rgba(255, 255, 255, .92);
  border: 1px solid var(--line); border-radius: 16px; box-shadow: 0 4px 18px -12px rgba(36, 30, 46, .18);
  transition: box-shadow .25s ease, border-color .25s ease;
}
#site-header.is-scrolled .hdr { box-shadow: var(--shadow-float); border-color: var(--line-strong); }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); font-weight: 600; font-size: 1rem; letter-spacing: -.01em; }
.brand img { width: auto; height: 56px; }
.brand picture { display: block; line-height: 0; }
.brand:hover { color: var(--ink); }
.primary-nav { display: flex; align-items: center; gap: 14px; }
.primary-nav ul { list-style: none; display: flex; gap: 2px; margin: 0; padding: 0; }
.primary-nav a.nav-link { position: relative; display: block; padding: 8px 12px; font-size: .9rem; font-weight: 500; color: var(--muted); text-decoration: none; border-radius: 8px; }
.primary-nav a.nav-link:hover { color: var(--ink); background: var(--crimson-mist); }
.primary-nav a.nav-link.is-active { color: var(--crimson); }
.primary-nav a.nav-link.is-active::after { content: ""; position: absolute; left: 50%; bottom: 2px; width: 5px; height: 5px; border-radius: 50%; background: var(--crimson); transform: translateX(-50%); }
.primary-nav .btn { padding: .7em 1.1em; font-size: .88rem; }

.menu-toggle { display: none; width: 44px; height: 44px; border: 1px solid var(--line-strong); border-radius: 10px; background: var(--surface); cursor: pointer; padding: 0; align-items: center; justify-content: center; }
.menu-toggle span, .menu-toggle span::before, .menu-toggle span::after { display: block; width: 18px; height: 2px; border-radius: 2px; background: var(--ink); position: relative; transition: transform .2s ease, background .2s ease; }
.menu-toggle span::before, .menu-toggle span::after { content: ""; position: absolute; left: 0; }
.menu-toggle span::before { top: -6px; }
.menu-toggle span::after { top: 6px; }
.menu-toggle[aria-expanded="true"] span { background: transparent; }
.menu-toggle[aria-expanded="true"] span::before { transform: translateY(6px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span::after { transform: translateY(-6px) rotate(-45deg); }

@media (max-width: 1080px) {
  .menu-toggle { display: inline-flex; }
  .primary-nav {
    position: absolute; left: 0; right: 0; top: calc(100% + 8px); flex-direction: column; align-items: stretch; gap: 12px;
    background: var(--surface); border: 1px solid var(--line); border-radius: 16px; padding: 14px; box-shadow: var(--shadow-float);
    visibility: hidden; opacity: 0; transform: translateY(-6px);
    transition: opacity .2s ease, transform .2s ease, visibility 0s linear .2s;
  }
  .primary-nav.is-open { visibility: visible; opacity: 1; transform: none; transition: opacity .2s ease, transform .2s ease; }
  .primary-nav ul { flex-direction: column; }
  .primary-nav a.nav-link { padding: 12px; font-size: 1rem; }
  .primary-nav a.nav-link.is-active::after { left: auto; right: 14px; top: 50%; bottom: auto; transform: translateY(-50%); }
  .primary-nav .btn { justify-content: center; }
}

/* ---------- Sections ---------- */
.section { padding: clamp(72px, 10vw, 128px) 0; position: relative; }
.eyebrow { display: inline-block; font-size: .85rem; font-weight: 600; color: var(--warped); margin-bottom: 12px; }
.section-intro { max-width: 620px; margin-bottom: 48px; }
.section-intro p { color: var(--muted); font-size: 1.02rem; }
.section-intro.centered { text-align: center; margin-inline: auto; }

/* ---------- Hero 55/45 ---------- */
.hero { position: relative; padding: clamp(48px, 7vw, 96px) 0 clamp(72px, 9vw, 120px); overflow: hidden; isolation: isolate; }
.hero::before, .hero::after { content: ""; position: absolute; border-radius: 50%; z-index: -1; }
.hero::before { width: 560px; height: 560px; right: -140px; top: -100px; background: radial-gradient(circle, var(--crimson-mist) 0%, rgba(251, 238, 240, 0) 70%); }
.hero::after { width: 460px; height: 460px; left: -180px; bottom: -180px; background: radial-gradient(circle, var(--warped-mist) 0%, rgba(234, 243, 238, 0) 70%); }
.hero-grid { display: grid; grid-template-columns: 55fr 45fr; gap: clamp(32px, 5vw, 72px); align-items: center; }
.hero-copy h1 { max-width: 15ch; }
.hero-copy .lead { font-size: 1.1rem; color: var(--muted); max-width: 52ch; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 32px 0 28px; }
.hero-points { display: flex; flex-wrap: wrap; gap: 10px 26px; list-style: none; margin: 0; padding: 20px 0 0; border-top: 1px solid var(--line); font-size: .9rem; color: var(--muted); }
.hero-points strong { color: var(--ink); font-weight: 600; }
.hero-visual { position: relative; }
.hero-visual img { width: 100%; border-radius: 28px; box-shadow: var(--shadow-soft); background: var(--surface); animation: drift 9s ease-in-out infinite; }
.hero-chip { position: absolute; left: -24px; bottom: 28px; background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 10px 14px; font-size: .82rem; box-shadow: var(--shadow-float); }
.hero-chip b { display: block; color: var(--crimson); font-weight: 600; }
@keyframes drift { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-6px); } }

/* ---------- About: wide statement ---------- */
.about { border-top: 1px solid var(--line); }
.about-grid { display: grid; grid-template-columns: 1.5fr 1fr; gap: clamp(36px, 6vw, 96px); align-items: start; }
.statement { font-size: clamp(1.3rem, 2.4vw, 1.85rem); line-height: 1.45; font-weight: 500; letter-spacing: -.02em; color: var(--ink); margin-bottom: .9em; }
.about-copy p.body { color: var(--muted); max-width: 60ch; }
.facts { margin: 0; }
.facts div { display: flex; justify-content: space-between; gap: 18px; padding: 14px 0; border-bottom: 1px solid var(--line); font-size: .93rem; }
.facts div:first-child { border-top: 2px solid var(--ink); }
.facts dt { color: var(--muted); }
.facts dd { margin: 0; font-weight: 600; text-align: right; }
.about-figure { margin: 28px 0 0; }
.about-figure img { border-radius: 18px; background: var(--surface); border: 1px solid var(--line); }

/* ---------- Features: offset composition ---------- */
.features { background: linear-gradient(180deg, var(--page) 0%, var(--crimson-mist) 100%); }
.offset-grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: 20px; }
.feat { border-radius: 20px; padding: 28px; background: var(--surface); border: 1px solid var(--line); transition: transform .25s ease, box-shadow .25s ease; }
.feat:hover { transform: translateY(-3px); box-shadow: var(--shadow-soft); }
.feat p { color: var(--muted); margin: 0; font-size: .95rem; }
.feat .ico { width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center; background: var(--warped-mist); margin-bottom: 18px; }
.feat .ico svg { width: 24px; height: 24px; }
.feat-lg { grid-column: 1 / span 7; grid-row: span 2; display: flex; flex-direction: column; justify-content: space-between; gap: 24px; padding: 36px; }
.feat-lg h3 { font-size: 1.5rem; }
.feat-lg img { border-radius: 14px; background: var(--page); }
.feat-a { grid-column: 8 / span 5; }
.feat-b { grid-column: 8 / span 5; background: var(--warped-mist); border-color: transparent; }
.feat-b .ico { background: var(--surface); }
.feat-c { grid-column: 2 / span 6; border-radius: 6px 20px 20px 20px; }
.feat-d { grid-column: 8 / span 5; background: transparent; border-style: dashed; border-color: var(--line-strong); }
.feat-d:hover { box-shadow: none; }

/* ---------- How it works: horizontal connected steps ---------- */
.steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; position: relative; }
.steps::before { content: ""; position: absolute; left: 22px; right: 12%; top: 22px; height: 2px; background: linear-gradient(90deg, var(--crimson) 0%, var(--warped) 100%); opacity: .35; }
.step-num { position: relative; width: 44px; height: 44px; border-radius: 50%; display: grid; place-items: center; background: var(--surface); border: 2px solid var(--crimson); color: var(--crimson); font-weight: 600; margin-bottom: 22px; }
.steps li:last-child .step-num { background: var(--crimson); color: #fff; }
.steps h3 { font-size: 1.05rem; }
.steps p { color: var(--muted); font-size: .93rem; margin: 0; }

/* ---------- Compatibility ---------- */
.compat { background: var(--surface); border-block: 1px solid var(--line); }
.compat-layout { display: grid; grid-template-columns: 1fr 2.2fr; gap: clamp(28px, 5vw, 64px); align-items: start; }
.compat-layout .section-intro { margin-bottom: 0; position: sticky; top: calc(var(--header-h) + 24px); }
.table-scroll { overflow-x: auto; border-radius: 16px; border: 1px solid var(--line); }
.matrix { width: 100%; border-collapse: collapse; min-width: 620px; font-size: .92rem; background: var(--surface); }
.matrix th, .matrix td { padding: 16px 18px; text-align: left; vertical-align: top; border-bottom: 1px solid var(--line); }
.matrix tbody tr:last-child th, .matrix tbody tr:last-child td { border-bottom: 0; }
.matrix thead th { background: var(--page); font-size: .8rem; font-weight: 600; color: var(--muted); }
.matrix tbody th { font-weight: 600; }
.status { display: inline-block; font-size: .76rem; font-weight: 600; padding: 3px 10px; border-radius: 999px; white-space: nowrap; }
.status.yes { background: var(--warped-mist); color: var(--warped); }
.status.port { background: var(--crimson-mist); color: var(--crimson); }
.status.no { background: #eeeef1; color: #4d515a; }
.table-note { font-size: .86rem; color: var(--muted); margin: 14px 0 0; }

/* ---------- Use cases: two-column structured list ---------- */
.uses { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0 56px; list-style: none; margin: 0; padding: 0; }
.uses li { display: grid; grid-template-columns: 40px 1fr; gap: 16px; padding: 24px 0; border-top: 1px solid var(--line); }
.uses .dot { width: 40px; height: 40px; border-radius: 50%; background: var(--crimson-mist); display: grid; place-items: center; }
.uses .dot::before { content: ""; width: 10px; height: 10px; border-radius: 50%; background: var(--crimson); }
.uses li:nth-child(even) .dot { background: var(--warped-mist); }
.uses li:nth-child(even) .dot::before { background: var(--warped); }
.uses h3 { margin-bottom: 4px; font-size: 1.05rem; }
.uses p { margin: 0; color: var(--muted); font-size: .94rem; }

/* ---------- Release: fact strip ---------- */
.release { padding-top: 0; }
.release-box { display: grid; grid-template-columns: 1fr 2fr; gap: 40px; align-items: center; padding: 36px 40px; border-radius: 24px; background: var(--gold-mist); }
.release-box h2 { font-size: 1.6rem; }
.release-box p { color: var(--muted); margin: 0; font-size: .95rem; }
.strip { display: grid; grid-template-columns: repeat(3, 1fr); margin: 0; row-gap: 12px; }
.strip div { padding: 10px 20px; border-left: 1px solid rgba(36, 30, 46, .12); }
.strip dt { font-size: .78rem; color: var(--muted); }
.strip dd { margin: 2px 0 0; font-weight: 600; font-size: .95rem; }

/* ---------- Download ---------- */
.download { padding-top: 0; }
.download-panel {
  display: grid; grid-template-columns: 1.1fr 1fr; gap: clamp(28px, 5vw, 64px); align-items: center;
  padding: clamp(28px, 5vw, 56px); border-radius: 28px; background: var(--surface); border: 1px solid var(--line); box-shadow: var(--shadow-soft);
  position: relative; overflow: hidden; isolation: isolate;
}
.download-panel::after { content: ""; position: absolute; right: -80px; top: -80px; width: 280px; height: 280px; border-radius: 50%; background: var(--crimson-mist); z-index: -1; }
.dl-specs { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px 24px; margin: 22px 0 28px; font-size: .9rem; }
.dl-specs div { border-top: 1px solid var(--line); padding-top: 10px; }
.dl-specs dt { color: var(--muted); font-size: .8rem; }
.dl-specs dd { margin: 0; font-weight: 600; }
.dl-note { font-size: .85rem; color: var(--muted); margin: 20px 0 0; max-width: 56ch; }
.download-art img { max-width: 440px; width: 100%; margin-inline: auto; }

/* ---------- Installation: vertical procedure ---------- */
.install { background: var(--warped-mist); }
.install-grid { display: grid; grid-template-columns: 5fr 7fr; gap: clamp(32px, 6vw, 88px); align-items: start; }
.procedure { list-style: none; margin: 0; padding: 0; counter-reset: p; position: relative; }
.procedure::before { content: ""; position: absolute; left: 15px; top: 10px; bottom: 10px; width: 2px; background: rgba(46, 109, 86, .25); }
.procedure li { counter-increment: p; position: relative; padding: 0 0 26px 54px; }
.procedure li::before { content: counter(p); position: absolute; left: 0; top: 0; width: 32px; height: 32px; border-radius: 50%; background: var(--surface); border: 2px solid var(--warped); color: var(--warped); font-weight: 600; font-size: .85rem; display: grid; place-items: center; }
.procedure strong { display: block; font-weight: 600; }
.procedure span { color: var(--muted); font-size: .93rem; }
code { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: .86em; background: var(--crimson-mist); color: var(--crimson-deep); padding: 1px 6px; border-radius: 5px; }
.install-note { margin-top: 28px; padding: 22px 24px; background: var(--surface); border-radius: 16px; font-size: .93rem; }
.install-note p:last-child { margin: 0; }

/* ---------- Guides preview ---------- */
.guides-layout { display: grid; grid-template-columns: 1.35fr 1fr; gap: 36px; align-items: stretch; }
.guide-feature { display: flex; flex-direction: column; text-decoration: none; color: var(--ink); border-radius: 22px; overflow: hidden; background: var(--surface); border: 1px solid var(--line); transition: box-shadow .25s ease, transform .25s ease; }
.guide-feature:hover { color: var(--ink); box-shadow: var(--shadow-soft); transform: translateY(-2px); }
.guide-feature img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; background: var(--page); }
.guide-feature .body { padding: 24px 28px 30px; }
.guide-feature h3 { font-size: 1.35rem; }
.guide-feature p { color: var(--muted); margin: 0; }
.guide-side { display: flex; flex-direction: column; }
.guide-list { list-style: none; margin: 0; padding: 0; }
.guide-list li { border-bottom: 1px solid var(--line); }
.guide-list li:first-child { border-top: 1px solid var(--line); }
.guide-list a { display: block; padding: 20px 4px; text-decoration: none; color: var(--ink); }
.guide-list a:hover h3 { color: var(--crimson); }
.guide-list h3 { font-size: 1.02rem; margin-bottom: 4px; transition: color .2s ease; }
.guide-list p { margin: 0; font-size: .9rem; color: var(--muted); }
.guide-side .btn { margin-top: 24px; align-self: flex-start; }
.label { display: inline-block; font-size: .75rem; font-weight: 600; color: var(--warped); background: var(--warped-mist); padding: 3px 10px; border-radius: 999px; margin-bottom: 10px; }

/* ---------- Safety ---------- */
.safety { padding-top: 0; }
.safety-box { display: grid; grid-template-columns: auto 1fr; gap: 24px; padding: 30px 34px; border-radius: 20px; background: var(--crimson-mist); border-left: 4px solid var(--crimson); }
.safety-box svg { width: 44px; height: 44px; }
.safety-box h2 { font-size: 1.35rem; }
.safety-box ul { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 32px; margin: 0; padding-left: 1.1em; }
.safety-box li { font-size: .93rem; }

/* ---------- Troubleshooting ---------- */
.trouble { background: var(--surface); border-top: 1px solid var(--line); }
.trouble-table { border-radius: 18px; overflow: hidden; border: 1px solid var(--line); }
.trouble-row { display: grid; grid-template-columns: 1fr 1.5fr; }
.trouble-row + .trouble-row { border-top: 1px solid var(--line); }
.trouble-row > div { padding: 20px 24px; }
.trouble-row .problem { font-weight: 600; background: var(--page); }
.trouble-row .fix { color: var(--muted); font-size: .94rem; }

/* ---------- Pros and cons ---------- */
.pc-grid { display: grid; grid-template-columns: 1fr 1fr; }
.pc-col { padding: 8px 40px 8px 0; }
.pc-col + .pc-col { padding: 8px 0 8px 40px; border-left: 1px solid var(--line); }
.pc-col h3 { display: flex; align-items: center; gap: 10px; }
.pc-col h3::before { content: ""; width: 10px; height: 10px; border-radius: 3px; background: var(--warped); }
.pc-col.cons h3::before { background: var(--crimson); }
.pc-col ul { list-style: none; margin: 0; padding: 0; }
.pc-col li { padding: 12px 0; border-bottom: 1px solid var(--line); font-size: .95rem; color: var(--muted); }

/* ---------- FAQ: two light category panels ---------- */
.faq { background: var(--page); border-top: 1px solid var(--line); }
.faq-panels { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; align-items: start; }
.faq-panel { background: var(--surface); border: 1px solid var(--line); border-radius: 22px; padding: 10px 26px 16px; }
.faq-panel-head { display: flex; align-items: center; gap: 12px; padding: 18px 0 16px; border-bottom: 1px solid var(--line); }
.faq-panel-head svg { width: 22px; height: 22px; }
.faq-panel-head h3 { margin: 0; font-size: 1.05rem; }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-item:last-child { border-bottom: 0; }
.faq-h { margin: 0; font-size: inherit; font-weight: inherit; letter-spacing: 0; }
.faq-q { width: 100%; display: flex; justify-content: space-between; align-items: center; gap: 16px; text-align: left; font: inherit; font-weight: 500; font-size: .95rem; color: var(--ink); background: none; border: 0; padding: 16px 0; cursor: pointer; }
.faq-q:hover { color: var(--crimson); }
.faq-q .pm { flex: none; width: 22px; height: 22px; position: relative; }
.faq-q .pm::before, .faq-q .pm::after { content: ""; position: absolute; left: 50%; top: 50%; width: 12px; height: 1.5px; background: currentColor; transform: translate(-50%, -50%); transition: transform .25s ease; }
.faq-q .pm::after { transform: translate(-50%, -50%) rotate(90deg); }
.faq-q[aria-expanded="true"] { color: var(--crimson); }
.faq-q[aria-expanded="true"] .pm::after { transform: translate(-50%, -50%) rotate(0); }
.faq-a { display: grid; grid-template-rows: 0fr; transition: grid-template-rows .3s ease; }
.faq-a > div { overflow: hidden; }
.faq-a p { margin: 0; padding: 0 30px 18px 0; color: var(--muted); font-size: .92rem; }
.faq-item.is-open .faq-a { grid-template-rows: 1fr; }

/* ---------- Footer ---------- */
#site-footer { background: var(--surface); border-top: 1px solid var(--line); }
.ftr { display: grid; grid-template-columns: 1.6fr 1fr 1fr; gap: 40px; padding: 56px 0 36px; }
.ftr h2 { font-size: .9rem; font-weight: 600; margin-bottom: 14px; }
.ftr ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.ftr a { text-decoration: none; color: var(--muted); font-size: .9rem; }
.ftr a:hover { color: var(--crimson); }
.ftr .brand { margin-bottom: 16px; }
.ftr .brand img { height: 80px; }
.ftr p { font-size: .9rem; color: var(--muted); max-width: 42ch; }
.ftr .email { color: var(--ink); font-weight: 500; }
.ftr-bottom { border-top: 1px solid var(--line); padding: 18px 0 26px; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 10px; font-size: .84rem; color: var(--muted); }
.ftr-bottom p { margin: 0; }
.ftr-bottom a { color: var(--ink); text-decoration: none; font-weight: 600; }
.ftr-bottom a:hover { color: var(--crimson); }

.to-top { position: fixed; right: 20px; bottom: 20px; z-index: 90; width: 46px; height: 46px; display: grid; place-items: center; border-radius: 14px; background: var(--surface); color: var(--crimson); border: 1px solid var(--line-strong); box-shadow: var(--shadow-float); cursor: pointer; opacity: 0; visibility: hidden; transform: translateY(10px); transition: opacity .25s ease, transform .25s ease, visibility 0s linear .25s; }
.to-top:hover { background: var(--crimson-mist); }
.to-top.is-visible { opacity: 1; visibility: visible; transform: none; transition: opacity .25s ease, transform .25s ease; }
.to-top svg { width: 20px; height: 20px; }

/* ---------- Inner page hero ---------- */
.page-hero { padding: clamp(48px, 7vw, 88px) 0 clamp(36px, 5vw, 56px); position: relative; overflow: hidden; isolation: isolate; }
.page-hero::before { content: ""; position: absolute; right: -140px; top: -140px; width: 440px; height: 440px; border-radius: 50%; background: radial-gradient(circle, var(--crimson-mist) 0%, rgba(251, 238, 240, 0) 70%); z-index: -1; }
.page-hero h1 { font-size: clamp(2rem, 4vw, 3rem); max-width: 22ch; }
.page-hero p { color: var(--muted); max-width: 62ch; font-size: 1.05rem; }
.crumbs { font-size: .85rem; color: var(--muted); margin-bottom: 20px; }
.crumbs ol { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.crumbs li + li::before { content: "/"; margin-right: 8px; color: var(--line-strong); }
.crumbs a { color: var(--muted); text-decoration: none; }
.crumbs a:hover { color: var(--crimson); }
.tag { display: inline-block; font-size: .75rem; font-weight: 600; color: var(--warped); background: var(--warped-mist); padding: 3px 10px; border-radius: 999px; align-self: flex-start; }

/* ---------- Blog listing: editorial grid + featured ---------- */
.blog-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 36px 24px; padding: 8px 0 clamp(72px, 10vw, 120px); }
.tile { display: flex; flex-direction: column; text-decoration: none; color: var(--ink); }
.tile img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; border-radius: 16px; background: var(--surface); border: 1px solid var(--line); transition: transform .3s ease, box-shadow .3s ease; }
.tile:hover { color: var(--ink); }
.tile:hover img { transform: translateY(-3px); box-shadow: var(--shadow-soft); }
.tile:hover h2 { color: var(--crimson); }
.tile-body { padding-top: 16px; display: flex; flex-direction: column; gap: 8px; }
.tile-body h2 { font-size: 1.02rem; margin: 0; transition: color .2s ease; }
.tile-body p { margin: 0; color: var(--muted); font-size: .88rem; }
.blog-grid .tile:first-child { grid-column: 1 / -1; display: grid; grid-template-columns: 1.3fr 1fr; gap: 44px; align-items: center; padding-bottom: 36px; border-bottom: 1px solid var(--line); }
.blog-grid .tile:first-child img { aspect-ratio: 16 / 9; border-radius: 22px; }
.blog-grid .tile:first-child .tile-body { padding: 0; gap: 12px; }
.blog-grid .tile:first-child h2 { font-size: clamp(1.4rem, 2.6vw, 2rem); }
.blog-grid .tile:first-child p { font-size: 1rem; }

/* ---------- Article ---------- */
.article-layout { display: grid; grid-template-columns: minmax(0, 1fr) 270px; gap: clamp(32px, 6vw, 80px); padding: 0 0 clamp(72px, 10vw, 120px); }
.article-figure { margin: 0 0 36px; }
.article-figure img { width: 100%; border-radius: 22px; border: 1px solid var(--line); background: var(--surface); }
.article-body { max-width: 720px; font-size: 1.02rem; }
.article-body h2 { font-size: 1.55rem; margin-top: 1.9em; }
.article-body h3 { margin-top: 1.5em; }
.article-body p, .article-body li { color: #3a3342; }
.article-body ul, .article-body ol { padding-left: 1.3em; }
.article-body li { margin-bottom: .5em; }
.article-body .note { background: var(--gold-mist); border-radius: 14px; padding: 18px 22px; margin: 1.6em 0; font-size: .95rem; }
.article-body table { width: 100%; border-collapse: collapse; font-size: .92rem; min-width: 520px; background: var(--surface); }
.article-body th, .article-body td { border-bottom: 1px solid var(--line); padding: 12px 14px; text-align: left; vertical-align: top; }
.article-body tr:last-child td { border-bottom: 0; }
.article-body th { background: var(--page); font-weight: 600; }
.article-body .table-scroll { margin: 1.2em 0; }
.article-meta { margin: 0 0 12px; }
.related { margin-top: 56px; padding-top: 32px; border-top: 1px solid var(--line); }
.article-body .related-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; list-style: none; padding: 0; margin: 0; }
.related-list a { display: block; height: 100%; padding: 18px; border-radius: 16px; background: var(--surface); border: 1px solid var(--line); text-decoration: none; color: var(--ink); font-weight: 500; font-size: .92rem; transition: border-color .2s ease, color .2s ease; }
.related-list a:hover { border-color: var(--crimson); color: var(--crimson); }
.related-list small { display: block; color: var(--warped); font-weight: 600; font-size: .76rem; margin-bottom: 4px; }

.sidebar { display: flex; flex-direction: column; gap: 30px; align-self: start; position: sticky; top: calc(var(--header-h) + 24px); }
.side-box { padding-left: 18px; border-left: 2px solid var(--line); }
.side-box h2 { font-size: .9rem; margin-bottom: 12px; }
.side-box ul, .side-box ol { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; font-size: .88rem; }
.side-box a { text-decoration: none; color: var(--muted); }
.side-box a:hover { color: var(--crimson); }
.side-box.toc { border-left-color: var(--crimson); }
.side-box dl { margin: 0; display: grid; gap: 8px; font-size: .86rem; }
.side-box dl div { display: flex; justify-content: space-between; gap: 12px; }
.side-box dt { color: var(--muted); }
.side-box dd { margin: 0; font-weight: 600; text-align: right; }
.side-box.cta { border: 0; padding: 22px; border-radius: 18px; background: var(--gold-mist); }
.side-box.cta p { font-size: .88rem; color: var(--muted); }

/* ---------- Supporting pages ---------- */
.prose { padding: 0 0 clamp(72px, 10vw, 120px); }
.prose h2 { font-size: 1.35rem; margin-top: 1.8em; }
.prose p, .prose li { color: #3a3342; }
.legal-layout { display: grid; grid-template-columns: 230px minmax(0, 1fr); gap: clamp(28px, 6vw, 80px); }
.legal-nav { position: sticky; top: calc(var(--header-h) + 24px); align-self: start; font-size: .88rem; }
.legal-nav ol { list-style: none; margin: 0; padding: 0; display: grid; gap: 4px; }
.legal-nav a { display: block; padding: 6px 12px; border-radius: 8px; text-decoration: none; color: var(--muted); }
.legal-nav a:hover { background: var(--crimson-mist); color: var(--crimson); }
.legal-body { max-width: 720px; }
.legal-body h2:first-of-type { margin-top: .6em; }
.updated { font-size: .86rem; color: var(--muted); }

.about-split { display: grid; grid-template-columns: 1.3fr 1fr; gap: clamp(32px, 6vw, 80px); align-items: start; }
.about-split h2:first-child { margin-top: 0; }
.principles { list-style: none; padding: 0; margin: 0; }
.principles li { padding: 20px 0; border-top: 1px solid var(--line); }
.principles li:first-child { border-top: 2px solid var(--ink); }
.principles strong { display: block; color: var(--crimson); }

.contact-block { display: grid; grid-template-columns: 1fr 1.1fr; gap: clamp(32px, 6vw, 80px); padding: 0 0 clamp(72px, 10vw, 120px); align-items: start; }
.email-plate { padding: 34px; border-radius: 24px; background: var(--surface); border: 1px solid var(--line); box-shadow: var(--shadow-soft); }
.email-plate .addr { display: block; font-size: clamp(1.15rem, 2.6vw, 1.6rem); font-weight: 600; color: var(--crimson); word-break: break-all; margin: 8px 0 12px; user-select: all; }
.reasons { list-style: none; padding: 0; margin: 0; }
.reasons li { padding: 14px 0; border-bottom: 1px solid var(--line); color: var(--muted); }
.reasons strong { display: block; color: var(--ink); font-weight: 600; }

/* ---------- Reveal ---------- */
.reveal { opacity: 0; transform: translateY(14px); transition: opacity .7s ease, transform .7s ease; }
.reveal.is-in { opacity: 1; transform: none; }
.no-js .reveal { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .hero-grid, .about-grid, .install-grid, .download-panel, .guides-layout, .compat-layout, .release-box, .about-split, .contact-block { grid-template-columns: minmax(0, 1fr); }
  .compat-layout .section-intro { position: static; margin-bottom: 8px; }
  .hero-copy h1 { max-width: 20ch; }
  .hero-chip { left: 12px; }
  .offset-grid .feat { grid-column: span 6; grid-row: auto; }
  .offset-grid .feat-lg { grid-column: 1 / -1; }
  .steps { grid-template-columns: repeat(2, 1fr); row-gap: 36px; }
  .steps::before { display: none; }
  .faq-panels { grid-template-columns: 1fr; }
  .blog-grid { grid-template-columns: repeat(2, 1fr); }
  .blog-grid .tile:first-child { grid-template-columns: 1fr; gap: 20px; }
  .article-layout { grid-template-columns: minmax(0, 1fr); }
  .sidebar { position: static; display: grid; grid-template-columns: 1fr 1fr; }
  .legal-layout { grid-template-columns: minmax(0, 1fr); }
  .legal-nav { position: static; }
  .ftr { grid-template-columns: 1fr 1fr; }
  .ftr > div:first-child { grid-column: 1 / -1; }
}

@media (max-width: 680px) {
  body { font-size: 15px; }
  #site-header { padding-top: 10px; }
  .hero-actions .btn, .download-panel .btn { width: 100%; justify-content: center; }
  .offset-grid { grid-template-columns: 1fr; }
  .offset-grid .feat, .offset-grid .feat-lg { grid-column: auto; }
  .feat, .feat-lg { padding: 24px; }
  .steps { grid-template-columns: 1fr; }
  .steps li { display: grid; grid-template-columns: 44px 1fr; gap: 16px; }
  .step-num { margin: 0; }
  .uses { grid-template-columns: 1fr; }
  .release-box { padding: 26px; }
  .strip { grid-template-columns: 1fr 1fr; }
  .strip div { padding: 8px 14px; }
  .dl-specs { grid-template-columns: 1fr; }
  .safety-box { grid-template-columns: 1fr; padding: 24px; }
  .safety-box ul { grid-template-columns: 1fr; }
  .trouble-row { grid-template-columns: 1fr; }
  .trouble-row > div { padding: 14px 18px; }
  .trouble-row .problem { padding-bottom: 6px; }
  .trouble-row .fix { padding-top: 0; background: var(--page); }
  .pc-grid { grid-template-columns: 1fr; }
  .pc-col, .pc-col + .pc-col { padding: 0; border: 0; }
  .pc-col + .pc-col { margin-top: 28px; }
  .faq-panel { padding: 6px 18px 12px; }
  .blog-grid { grid-template-columns: 1fr; }
  .article-body .related-list { grid-template-columns: 1fr; }
  .sidebar { grid-template-columns: 1fr; }
  .ftr { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}

/* ---------- Logo placements ---------- */
.about-logo { margin: 0 0 28px; padding: 28px; border-radius: 22px; background: var(--gold-mist); }
.about-logo img { width: 100%; max-width: 380px; margin-inline: auto; }
@media (max-width: 680px) { .brand img { height: 46px; } }