:root {
  color-scheme: dark;
  --bg: #0b0e14;
  --bg-raised: #10151e;
  --panel: #141a24;
  --panel-soft: #171e2a;
  --text: #f5f7fb;
  --muted: #9aa6b8;
  --line: rgba(255, 255, 255, 0.1);
  --line-strong: rgba(255, 255, 255, 0.18);
  --blue: #3977f6;
  --blue-bright: #63a0ff;
  --red: #e5443c;
  --amber: #f0a84a;
  --green: #45c58a;
  --shadow: 0 28px 80px rgba(0, 0, 0, 0.38);
  --radius: 18px;
  --shell: min(1180px, calc(100% - 40px));
}

[data-theme="light"] {
  color-scheme: light;
  --bg: #f5f7fb;
  --bg-raised: #ffffff;
  --panel: #ffffff;
  --panel-soft: #edf1f7;
  --text: #111722;
  --muted: #5d6879;
  --line: rgba(17, 23, 34, 0.1);
  --line-strong: rgba(17, 23, 34, 0.18);
  --shadow: 0 24px 70px rgba(29, 46, 78, 0.13);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 92px; }
body { margin: 0; background: var(--bg); color: var(--text); font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; line-height: 1.6; }
a { color: inherit; text-decoration: none; }
button, input { font: inherit; }
button { color: inherit; }
img { display: block; max-width: 100%; }
code { font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace; }

.shell { width: var(--shell); 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; }
.skip-link { position: fixed; top: 8px; left: 8px; z-index: 100; padding: 10px 14px; background: var(--text); color: var(--bg); border-radius: 8px; transform: translateY(-150%); }
.skip-link:focus { transform: translateY(0); }

.site-header { position: fixed; inset: 0 0 auto; z-index: 50; border-bottom: 1px solid transparent; transition: background .2s ease, border-color .2s ease; }
.site-header.scrolled { background: color-mix(in srgb, var(--bg) 86%, transparent); border-color: var(--line); backdrop-filter: blur(18px); }
.header-inner { min-height: 74px; display: flex; align-items: center; gap: 28px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 760; letter-spacing: -.02em; font-size: 1.08rem; }
.brand img { filter: drop-shadow(0 8px 18px rgba(57, 119, 246, .16)); }
.primary-nav { margin-left: auto; display: flex; gap: 28px; align-items: center; color: var(--muted); font-size: .91rem; }
.primary-nav a, .footer-links a, .distribution-links a { transition: color .2s ease; }
.primary-nav a:hover, .footer-links a:hover, .distribution-links a:hover { color: var(--text); }
.header-actions { display: flex; gap: 10px; align-items: center; }
.icon-button { width: 38px; height: 38px; display: grid; place-items: center; border: 1px solid var(--line); border-radius: 10px; background: var(--panel); cursor: pointer; }
.nav-toggle { display: none; width: 40px; height: 40px; background: transparent; border: 0; padding: 9px; }
.nav-toggle span:not(.sr-only) { display: block; height: 2px; background: var(--text); margin: 6px 0; transition: transform .2s ease; }

.button { min-height: 48px; padding: 0 20px; display: inline-flex; align-items: center; justify-content: center; border: 1px solid transparent; border-radius: 11px; font-weight: 700; font-size: .92rem; transition: transform .2s ease, border-color .2s ease, background .2s ease; }
.button:hover { transform: translateY(-2px); }
.button-small { min-height: 38px; padding-inline: 15px; }
.button-primary { background: var(--blue); color: white; box-shadow: 0 12px 30px rgba(57, 119, 246, .28); }
.button-primary:hover { background: #4a83f6; }
.button-secondary { border-color: var(--line-strong); background: var(--panel); }
.button-secondary:hover, .button-ghost:hover { border-color: var(--blue); }
.button-ghost { border-color: var(--line); background: transparent; }

.hero { min-height: 780px; padding: 150px 0 90px; position: relative; overflow: hidden; background: radial-gradient(circle at 73% 38%, rgba(57,119,246,.13), transparent 28%), radial-gradient(circle at 16% 30%, rgba(204,52,45,.08), transparent 24%); }
.hero::before { content: ""; position: absolute; inset: 0; opacity: .26; pointer-events: none; background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px); background-size: 64px 64px; mask-image: linear-gradient(to bottom, black, transparent 88%); }
.hero-grid { position: relative; display: grid; grid-template-columns: 1.03fr .97fr; gap: 72px; align-items: center; }
.eyebrow, .kicker { color: var(--blue-bright); font-size: .76rem; font-weight: 800; letter-spacing: .13em; text-transform: uppercase; }
.eyebrow { width: fit-content; display: flex; align-items: center; gap: 9px; padding: 7px 11px; border: 1px solid rgba(57,119,246,.3); border-radius: 999px; background: rgba(57,119,246,.08); }
.status-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 5px rgba(69,197,138,.1); }
.hero h1 { margin: 24px 0 24px; font-size: clamp(3rem, 5.6vw, 5.45rem); line-height: .98; letter-spacing: -.065em; max-width: 780px; }
.hero h1 span { color: var(--muted); }
.hero-lede { margin: 0 0 30px; max-width: 650px; color: var(--muted); font-size: clamp(1.05rem, 1.5vw, 1.22rem); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.install-line { margin-top: 28px; max-width: 470px; min-height: 48px; display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 0 8px 0 16px; background: var(--panel); border: 1px solid var(--line); border-radius: 11px; }
.install-line code { color: var(--blue-bright); font-size: .9rem; }
.install-line button, .install-commands button { border: 0; border-radius: 8px; background: var(--panel-soft); padding: 7px 10px; color: var(--muted); cursor: pointer; font-size: .75rem; font-weight: 700; }
.install-line button:hover, .install-commands button:hover { color: var(--text); }
.distribution-links { margin-top: 18px; display: flex; gap: 22px; color: var(--muted); font-size: .84rem; }

.hero-visual { min-height: 540px; position: relative; display: grid; place-items: center; }
.hero-mark { position: absolute; top: -14px; right: 8px; width: min(55%, 300px); opacity: .9; filter: drop-shadow(0 30px 60px rgba(0,0,0,.4)); }
.fingerprint-halo { position: absolute; width: 480px; aspect-ratio: 1; border: 1px solid rgba(57,119,246,.18); border-radius: 50%; box-shadow: 0 0 0 55px rgba(57,119,246,.025), 0 0 0 110px rgba(57,119,246,.018); }
.terminal-card { width: min(100%, 540px); position: relative; z-index: 2; margin-top: 150px; border: 1px solid var(--line-strong); border-radius: 16px; overflow: hidden; background: color-mix(in srgb, var(--bg-raised) 94%, transparent); box-shadow: var(--shadow); transform: perspective(1000px) rotateY(-3deg) rotateX(1deg); }
.terminal-bar { height: 46px; display: flex; align-items: center; gap: 7px; padding: 0 15px; border-bottom: 1px solid var(--line); background: var(--panel); }
.terminal-bar span { width: 8px; height: 8px; border-radius: 50%; background: var(--muted); opacity: .45; }
.terminal-bar span:first-child { background: var(--red); opacity: 1; }
.terminal-bar span:nth-child(2) { background: var(--amber); opacity: 1; }
.terminal-bar span:nth-child(3) { background: var(--green); opacity: 1; }
.terminal-bar strong { margin-left: auto; margin-right: auto; font-family: monospace; font-size: .72rem; color: var(--muted); font-weight: 500; }
.terminal-body { padding: 21px 23px 18px; font-family: "SFMono-Regular", Consolas, monospace; font-size: .78rem; }
.terminal-command { padding-bottom: 18px; color: var(--muted); }
.terminal-command span { color: var(--blue-bright); }
.finding { display: grid; grid-template-columns: 84px 1fr; gap: 12px; align-items: start; padding-top: 13px; border-top: 1px solid var(--line); }
.finding b { font-size: .67rem; letter-spacing: .06em; }
.finding-critical b { color: var(--red); }
.finding-error b { color: var(--amber); }
.terminal-body p { margin: 7px 0 15px 96px; color: var(--muted); line-height: 1.55; }
.terminal-body em { color: var(--text); font-style: normal; }
.terminal-summary { display: flex; justify-content: space-between; padding-top: 13px; border-top: 1px solid var(--line); color: var(--muted); font-size: .7rem; }

.signal-strip { border-block: 1px solid var(--line); background: var(--bg-raised); }
.signal-grid { min-height: 116px; display: grid; grid-template-columns: repeat(4, 1fr); align-items: center; }
.signal-grid div { padding: 12px 34px; display: flex; flex-direction: column; border-right: 1px solid var(--line); }
.signal-grid div:first-child { padding-left: 0; }
.signal-grid div:last-child { border-right: 0; }
.signal-grid strong { font-size: 1.5rem; letter-spacing: -.04em; }
.signal-grid span { color: var(--muted); font-size: .78rem; }

.section { padding: 112px 0; }
.section-heading { max-width: 810px; margin-bottom: 54px; }
.section-heading.compact { max-width: 650px; }
.kicker { margin: 0 0 12px; }
.section h2 { margin: 0 0 20px; font-size: clamp(2.3rem, 4.2vw, 4rem); letter-spacing: -.055em; line-height: 1.05; }
.section-heading > p:last-child, .diagnosis-copy > p, .integration-layout .section-heading > p:last-child, .security-copy > p, .install-card > div > p:last-child { color: var(--muted); font-size: 1.03rem; }

.workflow-grid { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: var(--bg-raised); }
.workflow-card { min-height: 310px; padding: 28px; display: flex; flex-direction: column; border-right: 1px solid var(--line); }
.workflow-card:last-child { border-right: 0; }
.workflow-card > span { color: var(--blue-bright); font-family: monospace; font-size: .74rem; }
.workflow-card h3 { margin: 54px 0 9px; font-size: 1.24rem; }
.workflow-card p { margin: 0 0 28px; color: var(--muted); font-size: .9rem; }
.workflow-card code { margin-top: auto; padding-top: 16px; border-top: 1px solid var(--line); color: var(--blue-bright); font-size: .71rem; }

.diagnosis-section { background: var(--bg-raised); border-block: 1px solid var(--line); }
.diagnosis-layout { display: grid; grid-template-columns: .8fr 1.2fr; gap: 86px; align-items: center; }
.check-list { list-style: none; padding: 0; margin: 28px 0; display: grid; gap: 10px; }
.check-list li { position: relative; padding-left: 24px; color: var(--muted); }
.check-list li::before { content: "✓"; position: absolute; left: 0; color: var(--green); }
.text-link { display: inline-flex; gap: 10px; align-items: center; color: var(--blue-bright); font-weight: 700; }
.text-link span { transition: transform .2s ease; }
.text-link:hover span { transform: translateX(4px); }
.diagnostic-panel { border: 1px solid var(--line-strong); border-radius: var(--radius); background: var(--panel); box-shadow: var(--shadow); overflow: hidden; }
.panel-tabs { display: flex; padding: 9px; gap: 6px; border-bottom: 1px solid var(--line); }
.panel-tabs button { border: 0; border-radius: 8px; padding: 8px 14px; background: transparent; color: var(--muted); cursor: pointer; font-size: .8rem; font-weight: 700; }
.panel-tabs button[aria-selected="true"] { background: var(--panel-soft); color: var(--text); }
.diagnostic-content { padding: 34px; }
.severity-label { display: inline-flex; padding: 5px 9px; border-radius: 6px; font-size: .66rem; font-weight: 900; letter-spacing: .08em; }
.severity-label.warning { color: var(--amber); background: rgba(240,168,74,.1); }
.severity-label.critical { color: var(--red); background: rgba(229,68,60,.1); }
.severity-label.error { color: #ff7d72; background: rgba(255,125,114,.1); }
.diagnostic-content h3 { margin: 18px 0 8px; font-size: 1.48rem; }
.diagnostic-content > p { margin: 0; color: var(--muted); }
.diagnostic-content dl { margin: 28px 0; display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.diagnostic-content dl div { padding: 14px; border: 1px solid var(--line); border-radius: 10px; }
.diagnostic-content dt { color: var(--muted); font-size: .72rem; }
.diagnostic-content dd { margin: 3px 0 0; font-family: monospace; font-size: .87rem; }
.remediation { padding: 15px; background: var(--panel-soft); border-left: 3px solid var(--blue); border-radius: 3px 9px 9px 3px; }
.remediation span { display: block; margin-bottom: 5px; color: var(--blue-bright); font-size: .7rem; font-weight: 800; text-transform: uppercase; letter-spacing: .08em; }
.remediation code { font-size: .8rem; }

.inspect-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.inspect-item { min-height: 230px; padding: 29px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.inspect-item > span { width: 40px; height: 40px; display: grid; place-items: center; border-radius: 9px; background: rgba(57,119,246,.1); color: var(--blue-bright); font-family: monospace; font-size: .76rem; }
.inspect-item h3 { margin: 31px 0 8px; }
.inspect-item p { margin: 0; color: var(--muted); font-size: .88rem; }

.integration-section { background: linear-gradient(180deg, var(--bg-raised), var(--bg)); border-top: 1px solid var(--line); }
.integration-layout { display: grid; grid-template-columns: .82fr 1.18fr; gap: 90px; }
.integration-row { min-height: 115px; display: grid; grid-template-columns: 48px 1fr 24px; gap: 18px; align-items: center; border-top: 1px solid var(--line); }
.integration-row:last-child { border-bottom: 1px solid var(--line); }
.integration-row:hover h3 { color: var(--blue-bright); }
.integration-index { color: var(--muted); font-family: monospace; font-size: .72rem; }
.integration-row h3 { margin: 0 0 3px; transition: color .2s ease; }
.integration-row p { margin: 0; color: var(--muted); font-size: .85rem; }
.integration-row b { color: var(--blue-bright); font-weight: 500; }

.security-section { position: relative; overflow: hidden; border-block: 1px solid var(--line); background: #0c1119; color: #f5f7fb; }
.security-section::after { content: ""; position: absolute; width: 560px; height: 560px; right: -210px; top: -250px; border: 1px solid rgba(57,119,246,.13); border-radius: 50%; box-shadow: 0 0 0 70px rgba(57,119,246,.025), 0 0 0 140px rgba(57,119,246,.015); }
.security-layout { display: grid; grid-template-columns: .65fr 1.35fr; gap: 78px; align-items: center; }
.security-mark { display: grid; place-items: center; }
.security-mark img { filter: drop-shadow(0 24px 60px rgba(0,0,0,.45)); }
.security-copy { position: relative; z-index: 1; }
.security-copy h2 { max-width: 800px; }
.security-copy > p { color: #a8b2c2; max-width: 760px; }
.security-points { display: flex; flex-wrap: wrap; gap: 9px; margin: 28px 0; }
.security-points span { padding: 7px 10px; border: 1px solid rgba(255,255,255,.13); border-radius: 7px; color: #c5ccda; font-size: .77rem; }
.security-copy > code { display: inline-flex; padding: 12px 15px; border: 1px solid rgba(57,119,246,.3); border-radius: 9px; color: #76a9ff; background: rgba(57,119,246,.07); }

.install-section { padding-bottom: 132px; }
.install-card { padding: 52px; border: 1px solid var(--line-strong); border-radius: 24px; background: radial-gradient(circle at 90% 10%, rgba(57,119,246,.13), transparent 30%), var(--bg-raised); box-shadow: var(--shadow); }
.install-card h2 { max-width: 730px; }
.install-card > div:first-child p { max-width: 680px; }
.install-commands { margin: 38px 0 30px; display: grid; border-block: 1px solid var(--line); }
.install-commands > div { min-height: 58px; display: grid; grid-template-columns: 34px 1fr auto; align-items: center; border-bottom: 1px solid var(--line); }
.install-commands > div:last-child { border-bottom: 0; }
.install-commands span { color: var(--muted); font-family: monospace; font-size: .72rem; }
.install-commands code { color: var(--blue-bright); }
.install-actions { display: flex; gap: 12px; flex-wrap: wrap; }

.site-footer { padding: 48px 0 28px; border-top: 1px solid var(--line); background: var(--bg-raised); }
.footer-grid { display: flex; align-items: center; justify-content: space-between; gap: 30px; }
.footer-brand { display: flex; gap: 11px; align-items: center; }
.footer-brand div { display: flex; flex-direction: column; }
.footer-brand span { color: var(--muted); font-size: .75rem; }
.footer-links { display: flex; flex-wrap: wrap; gap: 22px; color: var(--muted); font-size: .82rem; }
.footer-bottom { margin-top: 36px; padding-top: 20px; display: flex; justify-content: space-between; gap: 20px; border-top: 1px solid var(--line); color: var(--muted); font-size: .72rem; }

.reveal { opacity: 0; transform: translateY(18px); transition: opacity .65s ease, transform .65s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

:focus-visible { outline: 3px solid color-mix(in srgb, var(--blue) 70%, white); outline-offset: 3px; }

@media (max-width: 960px) {
  .primary-nav { display: none; position: absolute; top: 67px; left: 20px; right: 20px; flex-direction: column; align-items: stretch; padding: 18px; gap: 4px; border: 1px solid var(--line); border-radius: 14px; background: var(--bg-raised); box-shadow: var(--shadow); }
  .primary-nav.open { display: flex; }
  .primary-nav a { padding: 10px; }
  .nav-toggle { display: block; margin-left: auto; }
  .header-actions .button { display: none; }
  .hero { padding-top: 125px; }
  .hero-grid, .diagnosis-layout, .integration-layout, .security-layout { grid-template-columns: 1fr; }
  .hero-grid { gap: 34px; }
  .hero-visual { min-height: 480px; }
  .workflow-grid { grid-template-columns: 1fr 1fr; }
  .workflow-card:nth-child(2) { border-right: 0; }
  .workflow-card:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .inspect-grid { grid-template-columns: 1fr 1fr; }
  .security-mark { display: none; }
}

@media (max-width: 640px) {
  :root { --shell: min(100% - 28px, 1180px); }
  .section { padding: 82px 0; }
  .hero { min-height: 0; padding-bottom: 72px; }
  .hero h1 { font-size: clamp(2.7rem, 14vw, 4rem); }
  .hero-actions .button { width: 100%; }
  .distribution-links { flex-wrap: wrap; gap: 12px 18px; }
  .hero-visual { min-height: 410px; }
  .hero-mark { width: 190px; right: 50%; transform: translateX(50%); }
  .fingerprint-halo { width: 320px; }
  .terminal-card { margin-top: 120px; transform: none; }
  .terminal-body { padding: 17px; font-size: .69rem; }
  .terminal-body p { margin-left: 0; }
  .finding { grid-template-columns: 76px 1fr; }
  .signal-grid { grid-template-columns: 1fr 1fr; padding: 14px 0; }
  .signal-grid div { min-height: 78px; padding: 12px 18px; border-bottom: 1px solid var(--line); }
  .signal-grid div:nth-child(2) { border-right: 0; }
  .signal-grid div:nth-child(n+3) { border-bottom: 0; }
  .signal-grid div:nth-child(3) { padding-left: 0; }
  .workflow-grid, .inspect-grid { grid-template-columns: 1fr; }
  .workflow-card { border-right: 0; border-bottom: 1px solid var(--line); min-height: 270px; }
  .workflow-card:nth-child(3) { border-bottom: 1px solid var(--line); }
  .diagnostic-content { padding: 24px; }
  .diagnostic-content dl { grid-template-columns: 1fr; }
  .inspect-grid { border-radius: 14px; overflow: hidden; }
  .integration-row { grid-template-columns: 36px 1fr 18px; }
  .install-card { padding: 28px 20px; }
  .install-commands code { font-size: .72rem; overflow-wrap: anywhere; }
  .install-actions .button { width: 100%; }
  .footer-grid, .footer-bottom { align-items: flex-start; flex-direction: column; }
}

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