:root {
  --bg: #08090c;
  --bg-soft: #0d0f14;
  --panel: #12141a;
  --panel-2: #171a22;
  --line: #232733;
  --line-soft: #1a1d26;
  --text: #e9ebf0;
  --muted: #9aa1ad;
  --muted-2: #6f7683;
  --silver: linear-gradient(135deg, #ffffff 0%, #d7dbe4 35%, #9aa1b0 70%, #e6e9f0 100%);
  --ok: #4ade80;
  --bad: #f87171;
  --radius: 16px;
  --maxw: 1320px;
  --mono: ui-monospace, "Cascadia Mono", "SF Mono", Consolas, monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 90px;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(900px 500px at 75% -10%, rgba(180, 196, 230, 0.10), transparent 60%),
    radial-gradient(700px 420px at 8% 5%, rgba(120, 140, 190, 0.08), transparent 60%);
  z-index: 0;
}

a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; }
code, pre { font-family: var(--mono); }

.wrap {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

/* ---------------------------------------------------------------- header */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(14px);
  background: rgba(8, 9, 12, 0.72);
  border-bottom: 1px solid var(--line-soft);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 28px;
  height: 68px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 650;
  letter-spacing: -0.01em;
  font-size: 17px;
  flex: none;
}

.brand svg { width: 26px; height: 26px; flex: none; }

.nav a { white-space: nowrap; }
.kicker { white-space: nowrap; }

.nav {
  display: flex;
  gap: 22px;
  margin-left: 12px;
  font-size: 14.5px;
  color: var(--muted);
}

.nav a:hover { color: var(--text); }

.header-right {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 14px;
}

.lang {
  display: flex;
  padding: 3px;
  gap: 2px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--panel);
}

.lang button {
  display: flex;
  align-items: center;
  gap: 7px;
  border: 0;
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.04em;
  padding: 5px 11px 5px 8px;
  border-radius: 999px;
  cursor: pointer;
  transition: background 0.18s, color 0.18s;
}

.lang button svg { width: 20px; height: 14px; border-radius: 3px; }

.lang button:hover { color: var(--text); }
.lang button[aria-pressed="true"] { background: #232733; color: var(--text); }

.gh-link {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--muted);
}
.gh-link:hover { color: var(--text); }
.gh-link { flex: none; }
.gh-link svg { width: 18px; height: 18px; flex: none; fill: currentColor; }
.header-cta, .lang { flex: none; }
.btn { white-space: nowrap; }

/* ------------------------------------------------------------------ hero */

.hero {
  padding: 84px 0 40px;
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items: center;
}

.hero-grid > * {
  min-width: 0;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  border: 1px solid var(--line);
  background: rgba(18, 20, 26, 0.7);
  padding: 7px 13px;
  border-radius: 999px;
  margin-bottom: 26px;
}

.badge .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--ok);
  box-shadow: 0 0 12px rgba(74, 222, 128, 0.7);
}

h1 {
  font-size: clamp(42px, 5.4vw, 68px);
  line-height: 1.02;
  letter-spacing: -0.035em;
  font-weight: 700;
  margin: 0 0 22px;
}

h1 .shine {
  background: var(--silver);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.lead {
  font-size: 18px;
  color: var(--muted);
  max-width: 520px;
  margin: 0 0 32px;
}

.lead code, .muted code {
  color: #cfd4df;
  background: var(--panel);
  border: 1px solid var(--line);
  padding: 1px 6px;
  border-radius: 6px;
  font-size: 0.9em;
}

.cta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: center;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  height: 46px;
  padding: 0 20px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 15px;
  border: 1px solid transparent;
  transition: transform 0.15s, box-shadow 0.15s, background 0.15s, border-color 0.15s;
}

.btn-primary {
  background: var(--silver);
  color: #0a0b0e;
  box-shadow: 0 8px 30px rgba(200, 210, 235, 0.16);
}
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 12px 38px rgba(200, 210, 235, 0.24); }

.btn-ghost {
  border-color: var(--line);
  color: var(--text);
  background: var(--panel);
}
.btn-ghost:hover { border-color: #333a4a; background: var(--panel-2); }

.hero-meta {
  margin-top: 26px;
  font-size: 13px;
  color: var(--muted-2);
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
}
.hero-meta span { display: inline-flex; align-items: center; gap: 7px; }

.hero-macos {
  margin: 18px 0 0;
  font-size: 13.5px;
}
.hero-macos a { color: #9cc4ff; }
.hero-macos a:hover { text-decoration: underline; }

/* --------------------------------------------------------------- browser */

.browser {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--panel);
  overflow: hidden;
  box-shadow:
    0 40px 80px rgba(0, 0, 0, 0.55),
    0 0 0 1px rgba(255, 255, 255, 0.03) inset;
  position: relative;
}

.browser::after {
  content: "";
  position: absolute;
  inset: -40% 20% auto;
  height: 220px;
  background: radial-gradient(closest-side, rgba(200, 210, 235, 0.14), transparent);
  pointer-events: none;
}

.browser-top {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  background: #0f1117;
  border-bottom: 1px solid var(--line-soft);
}

.browser-dots { display: flex; gap: 5px; margin-right: 6px; }
.browser-dots i { width: 8px; height: 8px; border-radius: 50%; background: #2a2f3b; }

.browser-tab {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 11.5px;
  color: var(--muted);
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-bottom: 0;
  padding: 5px 12px;
  border-radius: 7px 7px 0 0;
}
.browser-tab b { width: 12px; height: 12px; border-radius: 3px; background: var(--silver); }

.browser-url {
  display: flex;
  align-items: center;
  gap: 9px;
  margin: 10px 12px;
  padding: 8px 13px;
  border-radius: 999px;
  background: #0b0d12;
  border: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 12px;
  color: #c3c9d6;
}

.browser-url .lock {
  width: 12px;
  height: 12px;
  border: 1.6px solid #6f7683;
  border-radius: 3px;
  position: relative;
}
.browser-url .lock::before {
  content: "";
  position: absolute;
  left: 2.4px;
  top: -5px;
  width: 5px;
  height: 6px;
  border: 1.6px solid #6f7683;
  border-bottom: 0;
  border-radius: 4px 4px 0 0;
}

.browser-body { padding: 6px 14px 18px; }

.skel-head {
  height: 16px;
  width: 38%;
  border-radius: 5px;
  background: #232a3a;
  margin: 8px 0 16px;
}

.skel-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }

.skel-card {
  border: 1px solid var(--line);
  background: #0f1117;
  border-radius: 9px;
  padding: 12px;
}

.skel-card i {
  display: block;
  height: 8px;
  border-radius: 4px;
  background: #2a3142;
  margin-bottom: 7px;
}
.skel-card i:nth-child(1) { width: 62%; }
.skel-card i:nth-child(2) { width: 40%; background: #222838; margin-bottom: 0; }

/* --------------------------------------------------------------- section */

section { padding: 92px 0; position: relative; }

.kicker {
  font-size: 12.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted-2);
  margin: 0 0 14px;
  font-weight: 600;
}

h2 {
  font-size: clamp(30px, 3.4vw, 42px);
  line-height: 1.12;
  letter-spacing: -0.03em;
  margin: 0 0 18px;
  font-weight: 680;
}

.section-lead {
  font-size: 17px;
  color: var(--muted);
  max-width: 680px;
  margin: 0 0 44px;
}

/* ---------------------------------------------------------------- split */

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.card {
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(23, 26, 34, 0.9), rgba(18, 20, 26, 0.9));
  border-radius: var(--radius);
  padding: 26px;
}

.card h3 {
  margin: 0 0 6px;
  font-size: 19px;
  letter-spacing: -0.01em;
  display: flex;
  align-items: center;
  gap: 9px;
}

.tag {
  font-family: var(--mono);
  font-size: 12px;
  padding: 3px 8px;
  border-radius: 6px;
  border: 1px solid var(--line);
  color: var(--muted);
}

.card p { color: var(--muted); margin: 0 0 16px; font-size: 15px; }

.card ul { list-style: none; margin: 0; padding: 0; }
.card li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  padding: 7px 0;
  font-size: 14.5px;
  color: #c6ccd8;
}

.card li svg { flex: none; margin-top: 3px; }

.card.bad h3 { color: #ffb4b4; }
.card.good h3 { color: #b7f5c9; }

.card.bad { border-color: #3a2226; }
.card.good { border-color: #1f3a2c; }

/* ------------------------------------------------------------------ how */

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.step {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px;
  background: var(--panel);
  position: relative;
  overflow: hidden;
}

.step .num {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--muted-2);
  letter-spacing: 0.1em;
  margin-bottom: 22px;
  display: block;
}

.step h3 { margin: 0 0 8px; font-size: 18px; }
.step p { margin: 0; color: var(--muted); font-size: 14.5px; }

.step::after {
  content: "";
  position: absolute;
  left: 26px;
  right: 26px;
  top: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, #3a4152, transparent);
}

/* ----------------------------------------------------------------- table */

.table-wrap {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  background: var(--panel);
}

table { width: 100%; border-collapse: collapse; font-size: 14.5px; }

th, td { text-align: left; padding: 15px 20px; border-bottom: 1px solid var(--line-soft); }
th {
  font-size: 11.5px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted-2);
  font-weight: 600;
  background: #0f1117;
}
tbody tr:last-child td { border-bottom: 0; }
tbody tr:hover { background: rgba(255, 255, 255, 0.015); }

td:first-child { font-family: var(--mono); font-size: 13px; color: #cdd2dd; }

.pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 600;
  padding: 3px 9px;
  border-radius: 999px;
}
.pill.yes { color: #b7f5c9; background: rgba(74, 222, 128, 0.09); border: 1px solid rgba(74, 222, 128, 0.22); }
.pill.no { color: #ffb4b4; background: rgba(248, 113, 113, 0.08); border: 1px solid rgba(248, 113, 113, 0.2); }

td.why { color: var(--muted); font-size: 13.5px; }

/* ------------------------------------------------------------------ code */

pre {
  margin: 0;
  padding: 20px 22px;
  background: #0b0d12;
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow-x: auto;
  font-size: 13px;
  line-height: 1.75;
  color: #c8cedb;
  position: relative;
}

pre .cmt { color: #5f6775; }
pre .cmd { color: #eef1f6; }

.code-block { position: relative; margin: 0 0 18px; }

.copy {
  position: absolute;
  top: 10px;
  right: 10px;
  border: 1px solid var(--line);
  background: #141821;
  color: var(--muted);
  font-size: 11.5px;
  font-family: var(--sans);
  padding: 5px 10px;
  border-radius: 7px;
  cursor: pointer;
  opacity: 0;
  transition: opacity 0.15s, color 0.15s;
}
.code-block:hover .copy { opacity: 1; }
.copy:hover { color: var(--text); }
.copy.done { color: var(--ok); }

.dl-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin: 0 0 44px;
}

.dl-card {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 18px;
  border-radius: 14px;
  border: 1px solid transparent;
  background:
    linear-gradient(180deg, #11141b, #0c0e14) padding-box,
    var(--edge) border-box;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.dl-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.45);
}

.dl-os {
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted-2);
}
.dl-card strong {
  font-size: 14.5px;
  font-weight: 600;
  word-break: break-all;
}
.dl-meta {
  font-size: 12.5px;
  color: var(--muted);
}
.dl-go {
  margin-top: auto;
  padding-top: 10px;
  font-size: 12.5px;
  color: #9cc4ff;
}

@media (max-width: 980px) {
  .dl-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .dl-grid { grid-template-columns: 1fr; }
}

/* ----------------------------------------------------------- platforms */

.platforms {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.platform {
  border: 1px solid var(--line);
  background: var(--panel);
  border-radius: var(--radius);
  padding: 26px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.platform header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.platform .os {
  font-size: 18px;
  font-weight: 650;
  letter-spacing: -0.01em;
}

.platform p {
  margin: 0;
  color: var(--muted);
  font-size: 14.5px;
}

.platform ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.platform li {
  font-size: 13.5px;
  color: #c6ccd8;
  padding-left: 14px;
  position: relative;
}

.platform li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: #3a4152;
}

.platform li code {
  color: #cfd4df;
  background: #0b0d12;
  border: 1px solid var(--line);
  padding: 1px 5px;
  border-radius: 5px;
  font-size: 0.92em;
}

.platform .src {
  margin-top: auto;
  font-size: 13px;
  color: #9cc4ff;
}
.platform .src:hover { text-decoration: underline; }

/* ------------------------------------------------------------------ grid */

.two-col {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 48px;
  align-items: start;
}

.side-note {
  border-left: 2px solid #2a3040;
  padding-left: 18px;
  color: var(--muted);
  font-size: 14px;
  margin-top: 18px;
}

.two-col h3 { margin: 34px 0 10px; font-size: 18px; letter-spacing: -0.01em; }
.two-col h3:first-child { margin-top: 0; }
.two-col .muted { color: var(--muted); font-size: 14.5px; }

.def-list {
  margin: 14px 0 0;
  padding-left: 20px;
  color: #c6ccd8;
  font-size: 14.5px;
}
.def-list li { margin-bottom: 9px; }
.def-list b { color: var(--text); font-weight: 600; }

/* -------------------------------------------------------------- underline */

.points { display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }

.point {
  display: grid;
  grid-template-columns: 210px 1fr;
  gap: 24px;
  padding: 18px 22px;
  background: var(--panel);
  font-size: 14.5px;
}
.point b { font-weight: 600; color: #d8dce5; }
.point span { color: var(--muted); }

/* ------------------------------------------------------------------- faq */

.faq-list { border-top: 1px solid var(--line); }

details {
  border-bottom: 1px solid var(--line);
  padding: 4px 0;
}

summary {
  list-style: none;
  cursor: pointer;
  padding: 20px 40px 20px 0;
  position: relative;
  font-weight: 550;
  font-size: 16.5px;
  letter-spacing: -0.01em;
}

summary::-webkit-details-marker { display: none; }

summary::after {
  content: "+";
  position: absolute;
  right: 4px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 22px;
  font-weight: 300;
  color: var(--muted-2);
  transition: transform 0.2s;
}

details[open] summary::after { transform: translateY(-50%) rotate(45deg); }

details p { margin: 0 0 20px; color: var(--muted); max-width: 760px; }

/* ---------------------------------------------------------------- footer */

footer {
  border-top: 1px solid var(--line);
  padding: 44px 0 60px;
  color: var(--muted-2);
  font-size: 13.5px;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  align-items: center;
}

.footer-links { display: flex; gap: 20px; flex-wrap: wrap; }
.footer-links a:hover { color: var(--text); }

.footer-brand { display: flex; align-items: center; gap: 9px; color: var(--muted); }
.footer-brand svg { width: 18px; height: 18px; }

/* ------------------------------------------------------------------ a11y */

.skip {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 200;
  padding: 10px 16px;
  background: var(--silver);
  color: #0a0b0e;
  border-radius: 0 0 8px 0;
  font-size: 13px;
  font-weight: 650;
}
.skip:focus {
  left: 0;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

/* --------------------------------------------------------------- reveal */

.reveal { opacity: 0; transform: translateY(14px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* ---------------------------------------------------------------- mobile */

@media (hover: none) {
  .copy { opacity: 1; }
}

@media (max-width: 980px) {
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero { padding-top: 56px; }
  .nav { display: none; }
  .steps { grid-template-columns: 1fr; }
  .split { grid-template-columns: 1fr; }
  .platforms { grid-template-columns: 1fr; }
  .two-col { grid-template-columns: 1fr; gap: 30px; }
  .point { grid-template-columns: 1fr; gap: 6px; }
  section { padding: 66px 0; }
  .browser { max-width: 560px; width: 100%; }
}

@media (max-width: 560px) {
  .wrap { padding: 0 18px; }
  h1 { font-size: 40px; }
  th, td { padding: 12px 14px; }
  td:first-child { font-size: 12px; }
  .lang button span { display: none; }
  .lang button { padding: 5px 7px; }
  .gh-link span { display: none; }
}

/* ============================================================= visual v2 */

:root {
  --accent: #9db4ff;
  --accent-2: #c9b8ff;
  --edge: linear-gradient(140deg, #3a4358 0%, #171a23 45%, #2c3346 100%);
}

body {
  background:
    radial-gradient(1100px 620px at 78% -8%, rgba(120, 150, 255, 0.16), transparent 62%),
    radial-gradient(900px 520px at 2% 18%, rgba(186, 140, 255, 0.10), transparent 60%),
    radial-gradient(700px 500px at 50% 110%, rgba(120, 200, 255, 0.05), transparent 60%),
    #06070a;
}

body::before {
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.022) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.022) 1px, transparent 1px);
  background-size: 72px 72px;
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 0%, #000 20%, transparent 100%);
  mask-image: radial-gradient(ellipse 70% 60% at 50% 0%, #000 20%, transparent 100%);
}

.progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 2px;
  width: 0;
  background: linear-gradient(90deg, #9db4ff, #c9b8ff);
  box-shadow: 0 0 12px rgba(157, 180, 255, 0.6);
  z-index: 100;
  transition: width 0.1s linear;
}

.site-header {
  background: rgba(6, 7, 10, 0.72);
  border-bottom: 1px solid var(--line-soft);
}

.site-header::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(157, 180, 255, 0.35), transparent);
}

.header-cta {
  display: inline-flex;
  align-items: center;
  height: 34px;
  padding: 0 14px;
  border-radius: 9px;
  background: var(--silver);
  color: #0a0b0e;
  font-size: 13px;
  font-weight: 650;
  letter-spacing: -0.01em;
  box-shadow: 0 6px 20px rgba(200, 210, 235, 0.16);
  transition: transform 0.15s, box-shadow 0.15s;
}
.header-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 26px rgba(200, 210, 235, 0.24);
}

.kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.kicker::before {
  content: "";
  width: 28px;
  height: 1px;
  background: linear-gradient(90deg, var(--accent), transparent);
}

h1 .shine {
  background: linear-gradient(100deg, #ffffff 0%, #e2e8f5 26%, #b9c4dc 48%, #f4f7ff 70%, #ffffff 100%);
  background-size: 220% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: shine 8s linear infinite;
}

@keyframes shine {
  from { background-position: 0% 0; }
  to { background-position: 220% 0; }
}

.card,
.step,
.platform,
.table-wrap,
.browser,
.code-block pre {
  border: 1px solid transparent;
  background:
    linear-gradient(180deg, #11141b, #0c0e14) padding-box,
    var(--edge) border-box;
}

.card.bad {
  background:
    linear-gradient(180deg, #141017, #0c0e14) padding-box,
    linear-gradient(140deg, #5a2f36, #171a23 55%, #3d242a) border-box;
}
.card.good {
  background:
    linear-gradient(180deg, #0f1512, #0c0e14) padding-box,
    linear-gradient(140deg, #2f5a3f, #171a23 55%, #24402f) border-box;
}

.card,
.step,
.platform {
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.card:hover,
.step:hover,
.platform:hover {
  transform: translateY(-3px);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.5);
}

.browser {
  transform: perspective(1400px) rotateY(-6deg) rotateX(2deg);
  box-shadow:
    0 50px 100px rgba(0, 0, 0, 0.6),
    0 0 0 1px rgba(255, 255, 255, 0.04) inset,
    0 0 90px rgba(120, 150, 255, 0.12);
  transition: transform 0.6s cubic-bezier(0.2, 0.7, 0.2, 1);
}
.browser:hover {
  transform: perspective(1400px) rotateY(-2deg) rotateX(0deg) translateY(-4px);
}

.code-block pre {
  padding-top: 34px;
  background:
    linear-gradient(180deg, rgba(157, 180, 255, 0.04), transparent 40%),
    #07090d;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.35);
}
.code-block::before {
  content: "";
  position: absolute;
  top: 13px;
  left: 16px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #2a3142;
  box-shadow: 15px 0 0 #2a3142, 30px 0 0 #2a3142;
  z-index: 2;
}

tbody tr:hover {
  background: rgba(157, 180, 255, 0.05);
}

.platform .os {
  display: flex;
  align-items: center;
  gap: 9px;
}
.platform .os svg {
  width: 18px;
  height: 18px;
  opacity: 0.85;
}

footer {
  background: linear-gradient(180deg, transparent, rgba(157, 180, 255, 0.04));
}

@media (max-width: 980px) {
  .browser,
  .browser:hover {
    transform: none;
  }
}

@media (max-width: 720px) {
  .header-cta {
    display: none;
  }

  .table-wrap {
    border: 0;
    background: transparent;
    overflow: visible;
  }
  table {
    min-width: 0;
    font-size: 14px;
  }
  thead {
    display: none;
  }
  tbody, tr, td {
    display: block;
  }
  tr {
    border: 1px solid var(--line);
    border-radius: 12px;
    background: var(--panel);
    padding: 14px 16px;
    margin-bottom: 12px;
  }
  td {
    border: 0;
    padding: 1px 0;
  }
  td:first-child {
    font-size: 13px;
    color: var(--text);
    font-weight: 600;
  }
  td.why {
    margin-top: 6px;
  }

  pre {
    white-space: pre-wrap;
    word-break: break-word;
  }
}

@media (prefers-reduced-motion: reduce) {
  h1 .shine {
    animation: none;
  }
  .browser,
  .browser:hover {
    transform: none;
  }
  .card:hover,
  .step:hover,
  .platform:hover {
    transform: none;
  }
}

.page-fab { display: inline-flex; align-items: center; gap: 7px; height: 34px; padding: 0 12px; border: 1px solid var(--line); border-radius: 999px; background: var(--panel); color: var(--muted); font: inherit; font-size: 12.5px; font-weight: 600; cursor: pointer; flex: none; }
.page-fab:hover { color: var(--text); border-color: #333a4a; }
@media (max-width: 640px) { .page-fab span { display: none; } }
.page-fab:hover { background: var(--panel-2); }
.page-index { position: fixed; top: 72px; left: 20px; z-index: 95; width: 244px; display: none; background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 14px; box-shadow: 0 24px 70px rgba(0,0,0,.55); }
.page-index.open { display: block; }
.pi-title { margin: 0 0 8px; font-size: 11px; letter-spacing: .14em; text-transform: uppercase; color: var(--muted-2); font-weight: 700; }
.page-index a { display: block; padding: 7px 8px; margin: 0 -4px; border-radius: 6px; color: var(--muted); font-size: 14px; }
.page-index a:hover { color: var(--text); background: rgba(255,255,255,.04); }
@media (max-width: 480px) { .page-index { left: 16px; right: 16px; width: auto; top: 70px; } }

.site-index { display: none; position: sticky; top: 92px; align-self: start; }
.page-layout { width: 100%; max-width: 1320px; margin: 0 auto; padding: 0 24px; display: grid; grid-template-columns: 184px minmax(0, 1fr); gap: 32px; align-items: start; }
.page-content { min-width: 0; }
.page-content .wrap { max-width: none; padding: 0; }
@media (min-width: 981px) { .site-index { display: block; } .page-fab { display: none; } }
@media (max-width: 980px) { .page-layout { display: block; } .site-index { display: none; } }
.si-title { margin: 0 0 12px; font-size: 11px; letter-spacing: .14em; text-transform: uppercase; color: var(--muted-2); font-weight: 700; }
.site-index a { display: flex; gap: 10px; align-items: baseline; padding: 7px 10px; margin: 0 0 2px -10px; border-left: 2px solid transparent; color: var(--muted); font-size: 13.5px; border-radius: 0 6px 6px 0; }
.site-index a:hover { color: var(--text); background: rgba(255,255,255,.03); }
.site-index a.active { color: var(--text); border-left-color: #9cc4ff; background: rgba(156,196,255,.06); }
.si-n { color: var(--muted-2); font-size: 10.5px; min-width: 18px; }
.pi-n { color: var(--muted-2); font-size: 10.5px; margin-right: 8px; }

.header-manual { color: var(--muted); font-size: 13.5px; flex: none; }
.header-manual:hover { color: var(--text); }

.lang-menu { position: relative; }
.lang-btn { display: inline-flex; align-items: center; gap: 7px; height: 36px; padding: 0 12px; border: 1px solid var(--line); border-radius: 999px; background: var(--panel); color: var(--text); font: inherit; font-size: 12.5px; font-weight: 700; letter-spacing: .04em; cursor: pointer; }
.lang-btn:hover { border-color: #333a4a; }
.lang-btn .globe { width: 15px; height: 15px; color: var(--muted); }
.lang-chev { color: var(--muted-2); font-size: 10px; }
.lang-pop { display: none; position: absolute; top: 44px; right: 0; min-width: 168px; padding: 6px; background: var(--panel); border: 1px solid var(--line); border-radius: 10px; box-shadow: 0 18px 50px rgba(0,0,0,.55); z-index: 60; }
.lang-pop.open { display: block; }
.lang-pop button { display: block; width: 100%; text-align: left; padding: 8px 10px; border: 0; border-radius: 6px; background: transparent; color: var(--muted); font: inherit; font-size: 13.5px; cursor: pointer; }
.lang-pop button:hover { color: var(--text); background: rgba(255,255,255,.05); }
.lang-pop button[aria-selected="true"] { color: var(--text); background: rgba(156,196,255,.08); }
@media (max-width: 560px) { .lang-pop { right: auto; left: 0; } }

.build-tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--line); margin: 26px 0 22px; }
.build-tabs .tab { display: inline-flex; align-items: center; background: transparent; border: 0; border-bottom: 2px solid transparent; color: var(--muted); font: inherit; font-weight: 600; font-size: 14px; padding: 10px 14px; cursor: pointer; }
.build-tabs .tab:hover { color: var(--text); }
.build-tabs .tab[aria-selected="true"] { color: var(--text); border-bottom-color: #9cc4ff; }
.build-panels .tab-panel { display: none; }
.build-panels .tab-panel.active { display: block; }
.card-links { margin: 10px 0 0; }
.card-links .sep { color: var(--muted-2); margin: 0 8px; }

.install-default { max-width: 760px; margin-top: 6px; }
.os-notes { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 38px; }
.os-note { border: 1px solid var(--line); border-radius: 14px; padding: 18px; background: var(--panel); }
.os-note h3 { margin: 0 0 8px; font-size: 16px; }
.os-note .side-note { margin: 10px 0 0; }
@media (max-width: 860px) { .os-notes { grid-template-columns: 1fr; } }

.section-actions { margin: 4px 0 0; }
.build-tabs .tab svg { width: 16px; height: 16px; }
.browser-tabs { display: flex; gap: 6px; flex-wrap: wrap; margin: 24px 0 18px; }
.btab { display: inline-flex; align-items: center; gap: 8px; height: 38px; padding: 0 12px; border: 1px solid var(--line); border-radius: 10px; background: var(--panel); color: var(--muted); font: inherit; font-size: 13px; font-weight: 600; cursor: pointer; }
.btab img { width: 20px; height: 20px; object-fit: contain; }
.btab:hover { color: var(--text); border-color: #333a4a; }
.btab[aria-selected="true"] { color: var(--text); border-color: #3a4152; background: var(--panel-2); }
.browser-panels .bpanel { display: none; }
.browser-panels .bpanel.active { display: block; }

.privacy-wrap { max-width: 920px; margin: 0 auto; }
.privacy h1 { font-size: clamp(34px, 5vw, 54px); }
.privacy-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 34px; }
.privacy-grid article { border: 1px solid var(--line); border-radius: 14px; padding: 20px; background: var(--panel); }
.privacy-grid article.privacy-wide { grid-column: 1 / -1; }
.privacy-grid h2 { margin: 0 0 8px; font-size: 18px; }
.privacy-grid p { margin: 0; color: var(--muted); font-size: 14.5px; line-height: 1.7; }
.privacy-grid code { font-size: 12.5px; }
.privacy-updated { margin-top: 30px; color: var(--muted-2); font-size: 13px; }
.privacy-bar { position: fixed; left: 16px; right: 16px; bottom: 16px; z-index: 220; display: flex; align-items: center; justify-content: space-between; gap: 16px; max-width: 880px; margin: 0 auto; padding: 12px 16px; border: 1px solid var(--line); border-radius: 12px; background: #11131a; box-shadow: 0 18px 50px rgba(0,0,0,.55); }
.privacy-bar[hidden] { display: none; }
.privacy-bar .pb-text { color: var(--muted); font-size: 13.5px; line-height: 1.5; }
.privacy-bar .pb-text strong { color: var(--text); margin-right: 6px; }
.privacy-bar .pb-actions { display: flex; align-items: center; gap: 12px; flex: none; }
.privacy-bar .pb-actions a { color: var(--muted); font-size: 13px; text-decoration: underline; text-underline-offset: 3px; }
.privacy-bar .pb-actions button { height: 32px; padding: 0 14px; border: 0; border-radius: 8px; background: var(--text); color: #0b0c10; font: inherit; font-size: 13px; font-weight: 700; cursor: pointer; }
@media (max-width: 760px) { .privacy-grid { grid-template-columns: 1fr; } .privacy-bar { flex-direction: column; align-items: flex-start; } }

.pres-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 14px; margin-top: 28px; }
.pres-card { border: 1px solid var(--line); border-radius: 14px; padding: 18px; background: var(--panel); }
.pres-card h3 { margin: 0 0 8px; font-size: 16px; }
.pres-card p { margin: 0; color: var(--muted); font-size: 13.5px; line-height: 1.6; }
.pres-limits { list-style: none; margin: 28px 0 0; padding: 0; display: grid; gap: 10px; max-width: 760px; }
.pres-limits li { padding: 12px 14px; border: 1px solid var(--line); border-radius: 10px; background: var(--panel); color: var(--muted); font-size: 14px; }
.pres-limits li::before { content: "—"; color: var(--muted-2); margin-right: 8px; }
.pres-closing { margin-top: 26px; color: var(--muted-2); font-style: italic; }