@import url("https://fonts.googleapis.com/css2?family=IBM+Plex+Sans:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500;600;700&display=swap");

:root {
  --bg: #0b1018;
  --bg-deep: #070b11;
  --surface: #121a25;
  --surface-2: #182332;
  --surface-3: #1d2a3b;
  --text: #f1f5f9;
  --muted: #9aa9bb;
  --muted-2: #73849a;
  --line: #2b3a4c;
  --accent: #45e6a3;
  --accent-strong: #2bc989;
  --accent-ink: #07140f;
  --danger: #ffbd71;
  --sans: "IBM Plex Sans", "Noto Sans SC", system-ui, sans-serif;
  --mono: "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
  --radius: 10px;
  --shell: 1160px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
}
body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  content: "";
  opacity: .22;
  background-image: linear-gradient(rgba(105, 128, 153, .08) 1px, transparent 1px), linear-gradient(90deg, rgba(105, 128, 153, .08) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(to bottom, black, transparent 68%);
}
a { color: inherit; text-decoration: none; }
button, a { -webkit-tap-highlight-color: transparent; }
button { font: inherit; }
a:focus-visible, button:focus-visible, summary:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 4px;
}
.shell { width: min(var(--shell), calc(100% - 40px)); margin: 0 auto; }
.skip-link {
  position: fixed; top: 12px; left: 12px; z-index: 20; padding: 10px 14px;
  color: var(--accent-ink); background: var(--accent); transform: translateY(-160%);
}
.skip-link:focus { transform: translateY(0); }

.site-header {
  position: sticky; top: 0; z-index: 10; border-bottom: 1px solid rgba(116, 137, 160, .18);
  background: rgba(11, 16, 24, .92); backdrop-filter: blur(16px);
}
.nav-shell { min-height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 12px; min-width: 220px; }
.brand-mark {
  display: grid; place-items: center; width: 40px; height: 40px; border: 1px solid var(--accent);
  color: var(--accent); font: 700 15px var(--mono); letter-spacing: -.08em;
}
.brand-copy { display: grid; gap: 0; }
.brand-copy strong { font: 700 14px var(--mono); letter-spacing: .08em; }
.brand-copy small { color: var(--muted-2); font: 400 11px var(--mono); letter-spacing: .05em; }
.site-nav { display: flex; align-items: center; gap: 24px; font-size: 14px; color: var(--muted); }
.site-nav a { transition: color .2s ease, background-color .2s ease, border-color .2s ease; }
.site-nav a:hover, .site-nav a[aria-current="page"] { color: var(--text); }
.site-nav .nav-button { padding: 9px 14px; border: 1px solid var(--line); color: var(--text); background: rgba(25, 39, 54, .55); }
.site-nav .nav-button:hover { border-color: var(--accent); color: var(--accent); }
.menu-toggle { display: none; width: 44px; height: 44px; border: 1px solid var(--line); background: transparent; color: var(--text); cursor: pointer; }
.menu-toggle span { display: block; width: 18px; height: 1px; margin: 4px auto; background: currentColor; }

.hero-section {
  min-height: min(760px, calc(100dvh - 72px)); display: grid; align-items: center;
  border-bottom: 1px solid rgba(116, 137, 160, .16);
}
.hero-grid { display: grid; grid-template-columns: minmax(0, .92fr) minmax(430px, 1.08fr); gap: 72px; align-items: center; padding: 70px 0 76px; }
.eyebrow { margin: 0 0 18px; color: var(--accent); font: 600 11px var(--mono); letter-spacing: .18em; text-transform: uppercase; }
.status-dot { display: inline-block; width: 7px; height: 7px; margin-right: 7px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 12px rgba(69, 230, 163, .65); }
h1, h2, h3 { margin: 0; color: var(--text); font-weight: 600; letter-spacing: -.035em; }
h1 { max-width: 670px; font-size: clamp(42px, 6vw, 76px); line-height: 1.04; }
h1 em, h2 em { color: var(--accent); font-style: normal; }
h2 { font-size: clamp(30px, 4vw, 48px); line-height: 1.12; }
h3 { font-size: 20px; line-height: 1.26; }
.hero-lede { max-width: 610px; margin: 26px 0 0; color: #c5d0dd; font-size: 18px; line-height: 1.72; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.button {
  display: inline-flex; align-items: center; justify-content: center; min-height: 46px; padding: 11px 18px;
  border: 1px solid transparent; border-radius: 7px; font-weight: 600; cursor: pointer;
  transition: transform .2s ease, background-color .2s ease, border-color .2s ease, color .2s ease;
}
.button:hover { transform: translateY(-1px); }
.button:active { transform: translateY(0); }
.button-primary { color: var(--accent-ink); background: var(--accent); }
.button-primary:hover { background: #67f2b8; }
.button-ghost { border-color: var(--line); color: var(--text); background: transparent; }
.button-ghost:hover { border-color: var(--accent); color: var(--accent); }
.hero-note { max-width: 610px; margin: 22px 0 0; color: var(--muted-2); font-size: 13px; }
.hero-note strong { color: var(--text); font-family: var(--mono); font-weight: 500; }

.terminal-wrap { position: relative; }
.terminal-window { overflow: hidden; border: 1px solid #304258; background: #0a0f16; box-shadow: 20px 24px 0 rgba(69, 230, 163, .05); }
.terminal-bar, .terminal-footer { display: flex; align-items: center; justify-content: space-between; gap: 12px; min-height: 44px; padding: 0 17px; border-bottom: 1px solid #263548; color: var(--muted-2); font: 11px var(--mono); letter-spacing: .08em; }
.terminal-footer { border-top: 1px solid #263548; border-bottom: 0; }
.terminal-lights { display: flex; gap: 6px; }
.terminal-lights i { width: 8px; height: 8px; border-radius: 50%; background: #58708a; }
.terminal-lights i:first-child { background: #ff8d6a; }
.terminal-lights i:nth-child(2) { background: #ffd279; }
.terminal-lights i:nth-child(3) { background: var(--accent); }
.terminal-live { color: var(--accent); font-size: 10px; }
.terminal-body { min-height: 330px; padding: 30px 28px; font: 14px/2 var(--mono); }
.terminal-body p { margin: 0; }
.prompt { color: #7fc9ff; }
.path { color: var(--accent); }
.muted { color: #60728a; }
.command { color: #f8fbff; margin: 6px 0 12px !important; }
.output { color: #8798aa; }
.output-ok { color: var(--accent); }
.cursor { display: inline-block; color: var(--accent); animation: blink 1.1s steps(2, start) infinite; }
.terminal-caption { display: flex; justify-content: space-between; gap: 20px; margin-top: 14px; color: var(--muted-2); font: 11px var(--mono); letter-spacing: .1em; }
.terminal-caption strong { color: var(--text); font-weight: 500; letter-spacing: .02em; }
@keyframes blink { 50% { opacity: 0; } }

.install-offer {
  border-bottom: 1px solid rgba(116, 137, 160, .16);
  background: var(--surface);
}
.install-offer-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(210px, 300px);
  align-items: center;
  gap: 48px;
  padding: 54px 0;
}
.install-offer-copy h2 { max-width: 700px; }
.install-offer-copy > p:last-child { max-width: 620px; margin: 18px 0 0; color: var(--muted); }
.install-offer-image {
  width: min(100%, 260px);
  margin: 0 auto;
}
.install-offer-image img { width: 100%; height: auto; }

.section { padding: 112px 0; border-bottom: 1px solid rgba(116, 137, 160, .16); }
.section-heading { max-width: 720px; }
.section-heading h2 { max-width: 700px; }
.section-heading > p:last-child { max-width: 620px; margin: 20px 0 0; color: var(--muted); }
.section-heading-inline { display: flex; align-items: end; justify-content: space-between; gap: 30px; max-width: none; }
.text-link, .card-link { color: var(--accent); font: 500 13px var(--mono); }
.text-link:hover, .card-link:hover { color: #a1ffd5; }
.intent-grid { display: grid; grid-template-columns: 1.25fr 1fr 1fr; gap: 0; margin-top: 50px; border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.intent-item { display: grid; grid-template-columns: 44px 1fr 20px; gap: 14px; align-items: start; min-height: 210px; padding: 24px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); transition: background-color .2s ease; }
.intent-item:hover { background: rgba(69, 230, 163, .06); }
.intent-main { background: rgba(24, 35, 50, .6); }
.intent-index { color: var(--accent); font: 500 12px var(--mono); }
.intent-item h3 { font-size: 21px; }
.intent-item p { margin: 12px 0 0; color: var(--muted); font-size: 14px; }
.intent-arrow { color: var(--accent); font: 18px var(--mono); }

.guide-section { padding-top: 100px; }
.article-grid { display: grid; grid-template-columns: 1.2fr 1fr 1fr; gap: 14px; margin-top: 44px; }
.article-card { display: flex; flex-direction: column; min-height: 280px; padding: 24px; border: 1px solid var(--line); background: rgba(18, 26, 37, .82); transition: transform .2s ease, border-color .2s ease, background-color .2s ease; }
.article-card:hover { border-color: #54718b; background: rgba(29, 42, 59, .85); transform: translateY(-3px); }
.article-feature { grid-row: span 2; min-height: 420px; background: var(--surface-2); }
.article-plain { grid-column: 2 / -1; min-height: 220px; }
.article-meta { display: flex; justify-content: space-between; gap: 12px; color: var(--accent); font: 11px var(--mono); letter-spacing: .08em; text-transform: uppercase; }
.article-card h3 { margin-top: 46px; }
.article-card h3 a:hover { color: var(--accent); }
.article-card p { margin: 14px 0 26px; color: var(--muted); font-size: 14px; }
.card-link { margin-top: auto; }
.trust-section { padding: 96px 0; }
.trust-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 72px; align-items: start; }
.trust-grid h2 { max-width: 500px; }
.source-list { border-top: 1px solid var(--line); }
.source-list a { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 20px 0; border-bottom: 1px solid var(--line); color: var(--muted); font: 12px var(--mono); letter-spacing: .06em; }
.source-list a strong { color: var(--text); font-weight: 500; }
.source-list a:hover strong { color: var(--accent); }
.support-band { background: var(--accent); color: var(--accent-ink); }
.support-inner { display: flex; align-items: center; justify-content: space-between; gap: 40px; padding: 56px 0; }
.support-inner .eyebrow { color: rgba(7, 20, 15, .68); }
.support-inner h2 { max-width: 700px; color: var(--accent-ink); }
.support-inner p:not(.eyebrow) { max-width: 680px; margin: 13px 0 0; color: rgba(7, 20, 15, .72); }
.support-actions { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.support-actions .button-primary { background: var(--accent-ink); color: var(--accent); }
.support-actions .button-primary:hover { background: #10271e; }
.copy-status { min-width: 90px; color: rgba(7, 20, 15, .7); font: 12px var(--mono); }

.site-footer { background: var(--bg-deep); }
.footer-grid { display: grid; grid-template-columns: 1.3fr .8fr .8fr; gap: 50px; padding: 50px 0; color: var(--muted-2); font-size: 13px; }
.footer-grid strong { color: var(--text); font: 700 13px var(--mono); letter-spacing: .08em; }
.footer-grid p { max-width: 360px; margin: 14px 0 0; line-height: 1.7; }
.footer-links { display: grid; gap: 8px; align-content: start; }
.footer-links a:hover { color: var(--accent); }
.footer-end { text-align: right; line-height: 1.8; }
.footer-end span { color: #4f6074; font-family: var(--mono); }

.article-hero { border-bottom: 1px solid rgba(116, 137, 160, .16); }
.article-hero-inner { padding: 82px 0 72px; }
.article-hero h1 { max-width: 720px; font-size: clamp(40px, 6vw, 68px); }
.article-hero p:last-child { max-width: 690px; margin: 25px 0 0; color: var(--muted); font-size: 18px; }
.article-layout { display: grid; grid-template-columns: minmax(0, 760px) 280px; gap: 90px; padding-top: 80px; padding-bottom: 100px; }
.article-body { min-width: 0; }
.article-lead { margin: 0 0 48px; color: #d8e2ec; font-size: 20px; line-height: 1.75; }
.article-body h2 { margin: 54px 0 18px; font-size: 29px; }
.article-body p { color: #b7c4d2; }
.article-body code { padding: 2px 6px; color: var(--accent); background: #101b26; font: 13px var(--mono); }
.numbered-list { display: grid; gap: 0; margin: 26px 0 36px; border-top: 1px solid var(--line); }
.numbered-list > div { display: grid; grid-template-columns: 52px 1fr; gap: 18px; padding: 19px 0; border-bottom: 1px solid var(--line); }
.numbered-list span { color: var(--accent); font: 12px var(--mono); }
.numbered-list p { margin: 0; }
.numbered-list strong { color: var(--text); }
.step-list { display: grid; gap: 17px; margin: 25px 0 32px; padding-left: 24px; color: #b7c4d2; }
.step-list li::marker { color: var(--accent); font-family: var(--mono); }
.step-list strong { color: var(--text); }
.code-block { margin: 28px 0 34px; border: 1px solid #304258; background: #090e14; }
.code-head { display: flex; align-items: center; justify-content: space-between; padding: 10px 14px; border-bottom: 1px solid #263548; color: var(--accent); font: 11px var(--mono); letter-spacing: .08em; }
.copy-code { padding: 5px 8px; border: 1px solid var(--line); color: var(--muted); background: transparent; font: 11px var(--mono); cursor: pointer; }
.copy-code:hover { border-color: var(--accent); color: var(--accent); }
pre { overflow-x: auto; margin: 0; padding: 20px; color: #d8e2ec; font: 13px/1.8 var(--mono); }
.warning-box { margin: 34px 0; padding: 20px 22px; border-left: 3px solid var(--danger); background: rgba(255, 189, 113, .08); }
.warning-box strong { color: var(--danger); font: 600 12px var(--mono); letter-spacing: .08em; text-transform: uppercase; }
.warning-box p { margin: 8px 0 0; }
.article-aside { display: grid; align-content: start; gap: 14px; }
.aside-box { padding: 22px; border: 1px solid var(--line); background: rgba(18, 26, 37, .72); }
.aside-label { display: block; margin-bottom: 17px; color: var(--accent); font: 11px var(--mono); letter-spacing: .14em; }
.aside-box h2 { font-size: 24px; }
.aside-box ul { display: grid; gap: 10px; margin: 18px 0 0; padding-left: 17px; color: var(--muted); font-size: 14px; }
.aside-box li::marker { color: var(--accent); }
.aside-source { display: grid; gap: 10px; }
.aside-source a { color: var(--muted); font-size: 13px; }
.aside-source a:hover { color: var(--accent); }
.article-next { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 64px; }
.article-next a { display: grid; gap: 7px; padding: 18px; border: 1px solid var(--line); background: rgba(18, 26, 37, .64); }
.article-next a:hover { border-color: var(--accent); }
.article-next span { color: var(--muted-2); font: 11px var(--mono); text-transform: uppercase; }
.article-next strong { color: var(--text); font-size: 14px; font-weight: 500; }

.check-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin: 30px 0 38px; }
.check-grid > div { padding: 18px; border-top: 2px solid var(--accent); background: var(--surface); }
.check-grid span { color: var(--accent); font: 11px var(--mono); }
.check-grid strong { display: block; margin-top: 18px; }
.check-grid p { margin: 8px 0 0; font-size: 13px; }
.risk-table { margin: 28px 0 36px; border: 1px solid var(--line); }
.risk-row { display: grid; grid-template-columns: 1.25fr .75fr; gap: 20px; padding: 14px 17px; border-bottom: 1px solid var(--line); color: var(--muted); font-size: 14px; }
.risk-row:last-child { border-bottom: 0; }
.risk-head { color: var(--accent); background: var(--surface); font: 11px var(--mono); letter-spacing: .08em; text-transform: uppercase; }
.risk-row strong { color: var(--danger); font-weight: 500; }

.faq-section { padding-top: 86px; }
.faq-layout { display: grid; grid-template-columns: .75fr 1.25fr; gap: 80px; align-items: start; }
.faq-intro { position: sticky; top: 110px; }
.faq-intro h2 { font-size: 38px; }
.faq-intro > p:last-child { color: var(--muted); }
.faq-list { border-top: 1px solid var(--line); }
details { border-bottom: 1px solid var(--line); }
summary { display: flex; align-items: center; justify-content: space-between; gap: 18px; padding: 22px 0; color: var(--text); font-size: 18px; font-weight: 500; cursor: pointer; list-style: none; }
summary::-webkit-details-marker { display: none; }
summary span { color: var(--accent); font: 22px var(--mono); transition: transform .2s ease; }
details[open] summary span { transform: rotate(45deg); }
details p { max-width: 720px; margin: -4px 0 24px; color: var(--muted); }

@media (max-width: 980px) {
  .hero-grid { grid-template-columns: 1fr; gap: 52px; padding-top: 64px; }
  .terminal-wrap { max-width: 720px; }
  .intent-grid { grid-template-columns: 1fr; }
  .intent-item { min-height: auto; }
  .article-grid { grid-template-columns: 1fr 1fr; }
  .article-feature { grid-row: auto; min-height: 320px; }
  .article-plain { grid-column: 1 / -1; }
  .article-layout { grid-template-columns: 1fr; gap: 42px; }
  .article-aside { grid-template-columns: 1fr 1fr; }
  .faq-layout { gap: 42px; }
}

@media (max-width: 720px) {
  .shell { width: min(var(--shell), calc(100% - 28px)); }
  .nav-shell { min-height: 64px; }
  .brand { min-width: 0; }
  .brand-copy strong { font-size: 12px; }
  .brand-copy small { font-size: 9px; }
  .menu-toggle { display: block; }
  .site-nav { position: absolute; top: 64px; right: 14px; left: 14px; display: none; flex-direction: column; align-items: stretch; gap: 0; padding: 8px; border: 1px solid var(--line); background: #0d141e; box-shadow: 0 18px 36px rgba(0, 0, 0, .28); }
  .site-nav.is-open { display: flex; }
  .site-nav a { padding: 12px 13px; }
  .site-nav .nav-button { margin-top: 6px; text-align: center; }
  .hero-section { min-height: auto; }
  .hero-grid { padding: 58px 0 64px; }
  .install-offer-inner { grid-template-columns: 1fr; gap: 28px; padding: 48px 0; }
  .install-offer-image { width: min(100%, 300px); }
  h1 { font-size: clamp(40px, 13vw, 58px); }
  .hero-lede { font-size: 16px; }
  .terminal-body { min-height: 250px; padding: 22px 18px; font-size: 12px; }
  .terminal-caption { align-items: flex-start; flex-direction: column; gap: 4px; }
  .section { padding: 76px 0; }
  .section-heading-inline { display: block; }
  .section-heading-inline .text-link { display: inline-block; margin-top: 20px; }
  .article-grid { grid-template-columns: 1fr; }
  .article-feature, .article-plain { grid-column: auto; min-height: 270px; }
  .trust-grid { grid-template-columns: 1fr; gap: 32px; }
  .support-inner { align-items: flex-start; flex-direction: column; padding: 45px 0; gap: 24px; }
  .support-actions { flex-wrap: wrap; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; padding: 40px 0; }
  .footer-end { text-align: left; }
  .article-hero-inner { padding: 60px 0 54px; }
  .article-hero h1 { font-size: clamp(40px, 13vw, 58px); }
  .article-hero p:last-child { font-size: 16px; }
  .article-layout { padding-top: 58px; padding-bottom: 72px; }
  .article-lead { font-size: 18px; }
  .article-body h2 { font-size: 26px; }
  .article-aside { grid-template-columns: 1fr; }
  .article-next { grid-template-columns: 1fr; }
  .check-grid { grid-template-columns: 1fr; }
  .faq-layout { grid-template-columns: 1fr; }
  .faq-intro { position: static; }
  .faq-intro h2 { font-size: 32px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; transition-duration: .01ms !important; }
}