/* ============================================================
   한글 깨짐 방지기 — Hangul Saver · Product sub-site
   Teal brand, shield green (#0F766E), separate identity from
   the Alphamic mother brand but same typographic language.
   ============================================================ */

@font-face {
  font-family: "Pretendard Variable";
  font-weight: 45 920;
  font-style: normal;
  font-display: swap;
  src: url("https://cdn.jsdelivr.net/gh/orioncactus/pretendard@v1.3.9/dist/web/variable/woff2/PretendardVariable.woff2") format("woff2-variations");
}

:root {
  /* Teals (brand) */
  --teal-50:  #F0FDFA;
  --teal-100: #CCFBF1;
  --teal-200: #99F6E4;
  --teal-300: #5EEAD4;
  --teal-400: #2DD4BF;
  --teal-500: #14B8A6;
  --teal-600: #0D9488;
  --teal-700: #0F766E;  /* PRIMARY */
  --teal-800: #115E59;
  --teal-900: #134E4A;

  /* Slates (text/background) */
  --slate-50:  #F8FAFC;
  --slate-100: #F1F5F9;
  --slate-200: #E2E8F0;
  --slate-300: #CBD5E1;
  --slate-400: #94A3B8;
  --slate-500: #64748B;
  --slate-600: #475569;
  --slate-700: #334155;
  --slate-800: #1E293B;
  --slate-900: #0F172A;

  /* Semantic */
  --brand:       var(--teal-700);
  --brand-soft:  var(--teal-50);
  --brand-ink:   var(--teal-900);
  --danger:      #B91C1C;
  --warn-bg:     #FEF3C7;
  --warn-fg:     #78350F;

  --bg:          #F3F6F8;
  --bg-card:     #FFFFFF;

  --fg:          var(--slate-900);
  --fg-body:     var(--slate-700);
  --fg-subtle:   var(--slate-600);
  --fg-muted:    var(--slate-500);

  --border:      var(--slate-200);
  --border-strong: var(--slate-300);

  --font-sans:
    "Pretendard Variable", Pretendard,
    -apple-system, BlinkMacSystemFont,
    "Apple SD Gothic Neo", "Noto Sans KR",
    "Helvetica Neue", Arial, sans-serif;
  --font-mono:
    "JetBrains Mono", "SF Mono", ui-monospace, Menlo, Consolas, monospace;

  --ease-out: cubic-bezier(.2,.7,.2,1);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;

  --container-max: 1120px;
  --gutter: clamp(20px, 4vw, 40px);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
html, body {
  margin: 0;
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--fg-body);
  font-size: 16px;
  line-height: 1.65;
  word-break: keep-all;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; display: block; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
::selection { background: var(--teal-300); color: var(--slate-900); }

.container { max-width: var(--container-max); margin: 0 auto; }

/* ─── Top bar / breadcrumb ──────────────────────────────────── */
.topbar {
  padding: 10px var(--gutter);
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  font-size: 13px;
  color: var(--fg-muted);
}
.topbar__inner {
  max-width: var(--container-max);
  margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
}
.topbar__back { color: var(--fg-subtle); }
.topbar__back:hover { color: var(--brand); text-decoration: none; }
.topbar__beta {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 3px 10px;
  background: var(--warn-bg);
  color: var(--warn-fg);
  border-radius: 999px;
  font-weight: 600; font-size: 12px;
}

/* ─── Header (product) ──────────────────────────────────────── */
.header {
  padding: 24px var(--gutter);
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  background: rgba(255,255,255,0.85);
}
.header__inner {
  max-width: var(--container-max);
  margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between; gap: 20px;
}
.brand {
  display: inline-flex; align-items: center; gap: 12px;
  color: var(--fg);
}
.brand:hover { text-decoration: none; }
.brand__icon {
  width: 36px; height: 36px;
  border-radius: 8px;
  box-shadow: 0 2px 6px rgba(15,118,110,0.25);
}
.brand__name {
  font-size: 17px; font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--fg);
}
.brand__sub {
  font-size: 11px; color: var(--fg-muted);
  font-family: var(--font-mono);
  margin-top: 1px;
}
.header__links {
  display: flex; align-items: center; gap: 22px;
  font-size: 14px;
}
.header__links a { color: var(--fg-subtle); }
.header__links a:hover { color: var(--brand); text-decoration: none; }
.header__cta {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 9px 18px;
  background: var(--brand);
  color: #fff;
  border-radius: 8px;
  font-weight: 600; font-size: 14px;
  transition: background .15s var(--ease-out), transform .15s var(--ease-out);
}
.header__cta:hover {
  background: var(--teal-800);
  color: #fff;
  text-decoration: none;
  transform: translateY(-1px);
}

/* ─── Hero ─────────────────────────────────────────────────── */
.hero {
  padding: 72px var(--gutter) 64px;
  background: linear-gradient(180deg, var(--brand-soft) 0%, var(--bg) 100%);
  position: relative;
  overflow: hidden;
}
.hero__inner {
  max-width: var(--container-max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 64px;
  align-items: center;
}
.hero__eyebrow {
  display: inline-block;
  font-size: 13px; font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--brand);
  text-transform: uppercase;
  margin-bottom: 20px;
}
.hero__title {
  font-size: clamp(36px, 5.2vw, 60px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.032em;
  color: var(--fg);
  margin: 0 0 20px;
}
.hero__title .break { color: var(--brand); }
.hero__lede {
  font-size: 19px;
  line-height: 1.6;
  color: var(--fg-body);
  max-width: 560px;
  margin: 0 0 36px;
}
.hero__actions {
  display: flex; align-items: center; gap: 14px; flex-wrap: wrap;
}
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 14px 26px;
  border-radius: 10px;
  font-weight: 600; font-size: 16px;
  transition: all .18s var(--ease-out);
}
.btn--primary {
  background: var(--brand);
  color: #fff;
  box-shadow: 0 8px 24px rgba(15,118,110,0.28);
}
.btn--primary:hover {
  background: var(--teal-800);
  transform: translateY(-2px);
  color: #fff;
  text-decoration: none;
  box-shadow: 0 12px 28px rgba(15,118,110,0.36);
}
.btn--ghost {
  background: transparent;
  color: var(--fg-subtle);
  border: 1px solid var(--border-strong);
}
.btn--ghost:hover {
  color: var(--fg);
  background: var(--bg-card);
  text-decoration: none;
}
.hero__meta {
  margin-top: 20px;
  font-size: 13px;
  color: var(--fg-muted);
  display: flex;
  flex-wrap: wrap;
  gap: 2px 14px;
}
.hero__meta span {
  position: relative;
  white-space: nowrap;
}
.hero__meta span:not(:last-child)::after {
  content: '·';
  position: absolute;
  right: -9px;
  color: var(--fg-muted);
}
.hero__meta b { color: var(--fg-subtle); font-weight: 600; }

.hero__visual {
  position: relative;
  display: flex; align-items: center; justify-content: center;
}
.hero__icon {
  width: clamp(220px, 30vw, 320px);
  height: auto;
  border-radius: 28%;
  box-shadow:
    0 24px 48px rgba(15,118,110,0.25),
    0 8px 16px rgba(15,118,110,0.15);
  animation: floaty 6s ease-in-out infinite;
}
@keyframes floaty {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50%      { transform: translateY(-8px) rotate(-0.5deg); }
}

/* ─── Generic section ─────────────────────────────────────── */
.section {
  padding: 96px var(--gutter);
}
.section--paper { background: var(--bg-card); }
.section__head {
  max-width: 780px;
  margin: 0 auto 56px;
  text-align: center;
}
.section__eyebrow {
  display: inline-block;
  font-size: 12px; font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--brand);
  text-transform: uppercase;
  margin-bottom: 14px;
}
.section__title {
  font-size: clamp(28px, 3.8vw, 44px);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.025em;
  color: var(--fg);
  margin: 0 0 16px;
}
.section__lede {
  font-size: 17px;
  color: var(--fg-subtle);
  margin: 0;
}

/* ─── Before / After ───────────────────────────────────────── */
.ba {
  max-width: 960px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 24px;
  align-items: center;
}
.ba__card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 24px 28px;
  box-shadow: 0 2px 6px rgba(15,23,42,0.04);
}
.ba__card--before {
  border-left: 4px solid var(--danger);
}
.ba__card--after {
  border-left: 4px solid var(--brand);
}
.ba__label {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 11px; font-weight: 700;
  letter-spacing: 0.1em;
  font-family: var(--font-mono);
  text-transform: uppercase;
  padding: 3px 9px;
  border-radius: 4px;
}
.ba__card--before .ba__label {
  background: #FEE2E2; color: var(--danger);
}
.ba__card--after .ba__label {
  background: var(--teal-50); color: var(--brand);
}
.ba__os {
  font-size: 12px;
  color: var(--fg-muted);
  margin-top: 4px;
}
.ba__filename {
  margin: 16px 0 6px;
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 600;
  word-break: break-all;
  line-height: 1.5;
}
.ba__card--before .ba__filename { color: var(--danger); }
.ba__card--after  .ba__filename { color: var(--teal-800); }
.ba__note {
  font-size: 13px;
  color: var(--fg-muted);
  margin: 0;
}
.ba__arrow {
  font-size: 28px;
  color: var(--brand);
  font-weight: 700;
}
.ba__caption {
  max-width: 720px;
  margin: 32px auto 0;
  text-align: center;
  font-size: 15px;
  color: var(--fg-subtle);
}

/* ─── Why (collapsible) ────────────────────────────────────── */
.why {
  max-width: 760px;
  margin: 32px auto 0;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--bg-card);
  overflow: hidden;
}
.why summary {
  padding: 18px 24px;
  cursor: pointer;
  font-weight: 600;
  color: var(--fg);
  font-size: 15px;
  list-style: none;
  display: flex; align-items: center; justify-content: space-between;
}
.why summary::-webkit-details-marker { display: none; }
.why summary::after {
  content: '＋';
  font-family: var(--font-mono);
  color: var(--fg-muted);
  transition: transform .2s var(--ease-out);
}
.why[open] summary::after { content: '−'; }
.why__body {
  padding: 0 24px 24px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--fg-body);
}
.why__body p { margin: 0 0 12px; }
.why__body p:last-child { margin: 0; }
.why__body code {
  padding: 2px 6px;
  background: var(--slate-100);
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 13px;
}

/* ─── Features grid (3 cards) ─────────────────────────────── */
.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 1040px;
  margin: 0 auto;
}
.feature {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 32px 28px;
  transition: transform .2s var(--ease-out), box-shadow .2s var(--ease-out);
}
.feature:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 28px rgba(15,23,42,0.08);
}
.feature__icon {
  width: 46px; height: 46px;
  display: flex; align-items: center; justify-content: center;
  background: var(--brand-soft);
  color: var(--brand);
  border-radius: 10px;
  margin-bottom: 20px;
  font-size: 22px;
}
.feature__title {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--fg);
  margin: 0 0 10px;
}
.feature__body {
  font-size: 15px;
  line-height: 1.65;
  color: var(--fg-subtle);
  margin: 0;
}

/* ─── Menubar showcase ─────────────────────────────────────── */
.menubar {
  max-width: 1040px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 56px;
  align-items: center;
}
.menubar__text h2 {
  font-size: clamp(26px, 3.4vw, 38px);
  font-weight: 800;
  letter-spacing: -0.025em;
  line-height: 1.2;
  margin: 0 0 16px;
  color: var(--fg);
}
.menubar__text p {
  font-size: 16px;
  color: var(--fg-subtle);
  margin: 0 0 14px;
}
.menubar__text ul {
  list-style: none; padding: 0; margin: 20px 0 0;
  font-size: 15px;
  color: var(--fg-subtle);
}
.menubar__text li {
  padding: 8px 0 8px 24px;
  position: relative;
}
.menubar__text li::before {
  content: '✓';
  position: absolute; left: 0; top: 8px;
  color: var(--brand);
  font-weight: 700;
}
.menubar__shot {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 16px;
  box-shadow: 0 12px 32px rgba(15,23,42,0.08);
}
.menubar__shot img {
  border-radius: 8px;
  width: 100%;
  height: auto;
}

/* ─── Trust ────────────────────────────────────────────────── */
.trust {
  max-width: 1040px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.trust__item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 24px;
}
.trust__icon {
  width: 36px; height: 36px;
  background: var(--brand-soft);
  color: var(--brand);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px;
  margin-bottom: 14px;
}
.trust__title {
  font-size: 15px;
  font-weight: 700;
  color: var(--fg);
  margin: 0 0 6px;
}
.trust__body {
  font-size: 13px;
  color: var(--fg-muted);
  margin: 0;
  line-height: 1.6;
}

/* ─── Req / Beta banner ────────────────────────────────────── */
.reqs {
  max-width: 720px;
  margin: 0 auto;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 28px 32px;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 28px;
  align-items: center;
}
.reqs__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--fg-muted);
  text-transform: uppercase;
}
.reqs__list {
  display: flex; flex-wrap: wrap; gap: 6px 18px;
  font-size: 14px;
  color: var(--fg-body);
}
.reqs__list span { font-weight: 500; }

.beta-banner {
  max-width: 760px;
  margin: 36px auto 0;
  background: var(--warn-bg);
  color: var(--warn-fg);
  border-radius: var(--radius-md);
  padding: 18px 24px;
  display: flex; align-items: center; gap: 14px;
  font-size: 14px;
  line-height: 1.55;
}
.beta-banner__tag {
  flex-shrink: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  font-weight: 700;
  padding: 4px 10px;
  background: rgba(0,0,0,0.08);
  border-radius: 4px;
  text-transform: uppercase;
}

/* ─── Final CTA ────────────────────────────────────────────── */
.cta {
  padding: 96px var(--gutter);
  background: linear-gradient(135deg, var(--teal-800) 0%, var(--teal-900) 100%);
  color: #fff;
  text-align: center;
}
.cta h2 {
  font-size: clamp(28px, 3.8vw, 44px);
  font-weight: 800;
  letter-spacing: -0.025em;
  line-height: 1.15;
  margin: 0 0 16px;
}
.cta p {
  font-size: 17px;
  color: var(--teal-100);
  margin: 0 0 32px;
}
.cta .btn--primary {
  background: #fff;
  color: var(--brand-ink);
}
.cta .btn--primary:hover {
  background: var(--teal-50);
  color: var(--brand-ink);
  box-shadow: 0 12px 28px rgba(0,0,0,0.2);
}
.cta__meta {
  margin-top: 18px;
  font-size: 13px;
  color: var(--teal-200);
}

/* ─── Download block (in-page) ─────────────────────────────── */
.dl {
  max-width: 680px;
  margin: 0 auto;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 32px;
  box-shadow: 0 4px 12px rgba(15,23,42,0.04);
}
.dl__head {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; margin-bottom: 20px; flex-wrap: wrap;
}
.dl__ver {
  font-family: var(--font-mono); font-size: 13px;
  color: var(--fg-muted);
}
.dl__size {
  font-size: 13px; color: var(--fg-muted);
}
.dl ol {
  padding-left: 22px; margin: 0;
  font-size: 14px; line-height: 1.9;
  color: var(--fg-body);
}
.dl ol code {
  padding: 1px 6px;
  background: var(--slate-100);
  border-radius: 4px;
  font-size: 12.5px;
  font-family: var(--font-mono);
  color: var(--fg);
}

/* ─── Legal pages ──────────────────────────────────────────── */
.legal {
  max-width: 820px;
  margin: 0 auto;
  padding: 56px var(--gutter) 72px;
}
.legal h1 {
  font-size: clamp(28px, 3.6vw, 40px);
  font-weight: 800;
  letter-spacing: -0.025em;
  margin: 0 0 12px;
  color: var(--fg);
}
.legal .legal__meta {
  font-size: 13px;
  color: var(--fg-muted);
  margin-bottom: 40px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border);
}
.legal h2 {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--fg);
  margin: 40px 0 12px;
  padding-top: 4px;
}
.legal h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--fg);
  margin: 22px 0 8px;
}
.legal p { margin: 0 0 12px; font-size: 15px; color: var(--fg-body); line-height: 1.8; }
.legal ul, .legal ol {
  margin: 0 0 14px;
  padding-left: 24px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--fg-body);
}
.legal li { margin-bottom: 4px; }
.legal table {
  width: 100%;
  border-collapse: collapse;
  margin: 14px 0 18px;
  font-size: 14px;
}
.legal th, .legal td {
  text-align: left; padding: 10px 12px;
  border: 1px solid var(--border);
  vertical-align: top;
}
.legal th {
  background: var(--slate-100);
  font-weight: 700;
  color: var(--fg);
}
.legal__contact {
  margin-top: 40px;
  padding: 20px 24px;
  background: var(--slate-50);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 14px;
  color: var(--fg-subtle);
}
.legal__contact strong { color: var(--fg); }

/* ─── Release notes ────────────────────────────────────────── */
.release__list {
  max-width: 720px;
  margin: 0 auto;
  list-style: none;
  padding: 0;
}
.release__item {
  padding: 22px 0;
  border-bottom: 1px solid var(--border);
  display: grid;
  grid-template-columns: 120px 1fr auto;
  gap: 24px;
  align-items: baseline;
}
.release__item:first-child { border-top: 1px solid var(--border); }
.release__ver {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 15px;
  color: var(--brand);
}
.release__title { color: var(--fg); font-weight: 500; font-size: 15px; }
.release__date { font-size: 13px; color: var(--fg-muted); }

.release__detail h2 { margin-top: 28px; font-size: 18px; }

/* ─── Footer ───────────────────────────────────────────────── */
.footer {
  padding: 48px var(--gutter) 36px;
  background: var(--slate-900);
  color: var(--slate-300);
  font-size: 13px;
  line-height: 1.7;
}
.footer__inner {
  max-width: var(--container-max);
  margin: 0 auto;
}
.footer__top {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 36px;
  padding-bottom: 28px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer__brand {
  display: flex; align-items: center; gap: 10px;
  color: #fff;
  font-weight: 700; font-size: 15px;
  margin-bottom: 12px;
}
.footer__brand img { width: 28px; height: 28px; border-radius: 6px; }
.footer__tag {
  color: var(--slate-400);
  max-width: 340px;
}
.footer__col h3 {
  font-size: 11px; font-family: var(--font-mono);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--teal-300);
  margin: 0 0 10px;
  font-weight: 600;
}
.footer__col ul {
  list-style: none; padding: 0; margin: 0;
  font-size: 13px;
}
.footer__col li { margin-bottom: 6px; }
.footer__col a { color: var(--slate-200); }
.footer__col a:hover { color: #fff; text-decoration: none; }

.footer__legal {
  margin-top: 28px;
  display: flex; justify-content: space-between; flex-wrap: wrap;
  gap: 20px 32px;
  font-size: 12px;
  color: var(--slate-400);
}
.footer__biz {
  max-width: 640px;
  line-height: 1.75;
}
.footer__biz b { color: var(--slate-200); font-weight: 600; }
.footer__copy {
  font-family: var(--font-mono);
  text-align: right;
  color: var(--slate-400);
}

/* ─── Compat warning box (download section) ─────────────────── */
.compat-warn {
  max-width: 680px;
  margin: 14px auto 0;
  background: var(--warn-bg);
  color: var(--warn-fg);
  border-radius: var(--radius-md);
  padding: 14px 18px;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 14px;
  line-height: 1.6;
}
.compat-warn__icon { font-size: 17px; flex-shrink: 0; line-height: 1.5; }
.compat-warn strong { display: block; font-weight: 700; margin-bottom: 3px; }
.compat-warn p { margin: 0; font-size: 13px; opacity: 0.85; }
.compat-warn a { color: var(--warn-fg); font-weight: 600; text-decoration: underline; }

/* ─── Checksum details ─────────────────────────────────────── */
.checksum {
  max-width: 680px;
  margin: 10px auto 0;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--bg-card);
  overflow: hidden;
}
.checksum > summary {
  padding: 14px 20px;
  cursor: pointer;
  font-weight: 600;
  color: var(--fg-muted);
  font-size: 13px;
  list-style: none;
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
}
.checksum > summary::-webkit-details-marker { display: none; }
.checksum > summary::after {
  content: '＋';
  font-family: var(--font-mono);
  color: var(--fg-muted);
  flex-shrink: 0;
}
.checksum[open] > summary::after { content: '−'; }
.checksum__body {
  padding: 0 20px 20px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--fg-body);
}
.checksum__lead { margin: 0 0 14px; font-size: 13px; color: var(--fg-subtle); }
.checksum__table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 18px;
}
.checksum__table th, .checksum__table td {
  padding: 7px 11px;
  border: 1px solid var(--border);
  text-align: left;
  vertical-align: top;
}
.checksum__table th {
  background: var(--slate-50);
  color: var(--fg-muted);
  font-weight: 600;
  width: 72px;
  font-family: var(--font-mono);
  font-size: 11px;
  white-space: nowrap;
}
.checksum__table td {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--fg);
  word-break: break-all;
}
.checksum__hash { color: var(--teal-800); font-weight: 600; letter-spacing: 0.02em; }
.checksum__body h4 {
  font-size: 13px;
  font-weight: 700;
  color: var(--fg);
  margin: 0 0 8px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-family: var(--font-mono);
}
.checksum__body ol {
  margin: 0 0 14px;
  padding-left: 20px;
  font-size: 13px;
  line-height: 1.9;
  color: var(--fg-body);
}
.checksum__cmd {
  display: block;
  margin: 6px 0 2px;
  background: var(--slate-900);
  color: var(--teal-300);
  padding: 9px 14px;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 12.5px;
  overflow-x: auto;
  user-select: all;
  white-space: pre;
  cursor: text;
}
.checksum__mismatch {
  background: var(--slate-50);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  font-size: 13px;
  margin-top: 4px;
}
.checksum__mismatch strong { display: block; margin-bottom: 3px; color: var(--fg); font-weight: 700; }
.checksum__mismatch p { margin: 0; color: var(--fg-subtle); }
.checksum__mismatch a { color: var(--brand); }

/* ─── Why body — compat extension ──────────────────────────── */
.why__divider { border: none; border-top: 1px solid var(--border); margin: 22px 0; }
.why__sub {
  font-size: 15px;
  font-weight: 700;
  color: var(--fg);
  margin: 0 0 10px;
}
.compat-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin: 12px 0 14px;
}
.compat-col { border-radius: var(--radius-sm); border: 1px solid var(--border); overflow: hidden; }
.compat-col__head {
  padding: 8px 13px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.01em;
}
.compat-col__head--bad  { background: #FEE2E2; color: var(--danger); }
.compat-col__head--good { background: var(--teal-50); color: var(--teal-800); }
.compat-list {
  list-style: none;
  padding: 10px 13px;
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  background: var(--bg-card);
}
.compat-list li { padding: 3px 0 3px 18px; position: relative; color: var(--fg-body); }
.compat-list--bad  li::before { content: '✕'; position: absolute; left: 0; top: 3px; color: var(--danger); font-weight: 700; font-size: 11px; }
.compat-list--good li::before { content: '✓'; position: absolute; left: 0; top: 3px; color: var(--brand);  font-weight: 700; font-size: 11px; }
.compat-alt {
  background: var(--slate-50);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  font-size: 13px;
  margin: 0 0 16px;
}
.compat-alt b { color: var(--fg); }
.compat-alt ul { margin: 5px 0 0; padding-left: 16px; color: var(--fg-subtle); }
.compat-alt ul li { margin-bottom: 2px; }
.compat-alt code { padding: 1px 5px; background: var(--slate-200); border-radius: 3px; font-family: var(--font-mono); font-size: 12px; color: var(--fg); }

/* ─── Why body — inner Q&A accordion ───────────────────────── */
.why__qa {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg);
  margin-bottom: 7px;
  overflow: hidden;
}
.why__qa > summary {
  padding: 11px 14px;
  cursor: pointer;
  font-weight: 600;
  color: var(--fg-subtle);
  font-size: 13px;
  list-style: none;
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
}
.why__qa > summary::-webkit-details-marker { display: none; }
.why__qa > summary::after { content: '＋'; font-family: var(--font-mono); color: var(--fg-muted); flex-shrink: 0; }
.why__qa[open] > summary::after { content: '−'; }
.why__qa-body {
  padding: 0 14px 12px;
  font-size: 13px;
  line-height: 1.8;
  color: var(--fg-body);
}
.why__qa-body p { margin: 0 0 7px; }
.why__qa-body p:last-child { margin: 0; }
.why__qa-body b { color: var(--fg); }

/* ─── FAQ (sending · compatibility) ────────────────────────── */
.faq {
  max-width: 760px;
  margin: 36px auto 0;
  scroll-margin-top: 100px;
}
.faq__head { margin-bottom: 18px; }
.faq__eyebrow {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--brand);
  text-transform: uppercase;
  font-family: var(--font-mono);
  margin-bottom: 8px;
}
.faq__title {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.015em;
  color: var(--fg);
  margin: 0 0 10px;
  line-height: 1.35;
}
.faq__lede {
  font-size: 14px;
  line-height: 1.75;
  color: var(--fg-body);
  margin: 0;
}
.faq__lede b { color: var(--fg); }
.faq__list { margin-top: 16px; }
.faq__qa {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--bg-card);
  margin-bottom: 8px;
  overflow: hidden;
  transition: border-color .15s var(--ease-out);
}
.faq__qa[open] { border-color: var(--teal-300); }
.faq__qa > summary {
  padding: 14px 20px;
  cursor: pointer;
  font-weight: 600;
  color: var(--fg);
  font-size: 14px;
  list-style: none;
  display: flex; align-items: center; justify-content: space-between; gap: 14px;
}
.faq__qa > summary:hover { color: var(--brand); }
.faq__qa > summary::-webkit-details-marker { display: none; }
.faq__qa > summary::after {
  content: '＋';
  font-family: var(--font-mono);
  color: var(--fg-muted);
  flex-shrink: 0;
  font-size: 16px;
  transition: color .15s var(--ease-out);
}
.faq__qa[open] > summary { color: var(--brand); }
.faq__qa[open] > summary::after { content: '−'; color: var(--brand); }
.faq__qa-body {
  padding: 2px 20px 16px;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--fg-body);
}
.faq__qa-body p { margin: 0 0 8px; }
.faq__qa-body p:last-child { margin: 0; }
.faq__qa-body b { color: var(--fg); }

/* ─── Responsive ───────────────────────────────────────────── */
@media (max-width: 860px) {
  .header__links { display: none; }
  .hero { padding: 56px var(--gutter) 48px; }
  .hero__inner { grid-template-columns: 1fr; gap: 40px; text-align: center; }
  .hero__lede { margin-left: auto; margin-right: auto; }
  .hero__actions { justify-content: center; }
  .hero__meta { justify-content: center; }
  .hero__icon { width: 200px; }

  .section { padding: 72px var(--gutter); }

  .ba { grid-template-columns: 1fr; gap: 12px; }
  .ba__arrow { transform: rotate(90deg); margin: 0 auto; }

  .features { grid-template-columns: 1fr; gap: 16px; }
  .menubar { grid-template-columns: 1fr; gap: 36px; }
  .trust { grid-template-columns: repeat(2, 1fr); }
  .reqs { grid-template-columns: 1fr; gap: 8px; padding: 22px; }

  .footer__top { grid-template-columns: 1fr 1fr; gap: 28px 20px; }
  .footer__top > div:first-child { grid-column: 1 / -1; }
  .footer__legal { flex-direction: column; }
  .footer__copy { text-align: left; }

  .release__item { grid-template-columns: 1fr; gap: 4px; }
  .compat-grid { grid-template-columns: 1fr; }
}

@media (max-width: 500px) {
  .trust { grid-template-columns: 1fr; }

  /* Topbar — hide beta pill, keep single row */
  .topbar__beta { display: none; }

  /* Header — keep CTA on one line */
  .header__cta { white-space: nowrap; padding: 9px 14px; font-size: 13px; }
  .brand__sub { display: none; }

  /* Hero meta — stack vertically, drop dot separators */
  .hero__meta { flex-direction: column; align-items: center; gap: 3px; }
  .hero__meta span::after { display: none !important; }

  /* Features section lede — break before em-dash */
  .section__lede .lede__rest { display: block; margin-top: 4px; }

  /* Requires list — stack, hide dot separators */
  .reqs__list { flex-direction: column; align-items: flex-start; gap: 4px; }
  .reqs__list > span:nth-child(2n) { display: none; }
}