:root,
:root[data-theme="dark"] {
  --bg: #0a0a0c;
  --bg-soft: #0f0f13;
  --panel: #131317;
  --panel-2: #191920;
  --border: #22222a;
  --border-hi: #32323d;
  --text: #f4f4f7;
  --muted: #9a9aa7;
  --faint: #5f5f6d;
  --accent: #ff4438;
  --accent-hover: #ff6b60;
  --accent-soft: rgba(255, 68, 56, 0.12);
  --accent-line: rgba(255, 68, 56, 0.30);
  --glow: rgba(255, 68, 56, 0.28);
  --star: 180, 180, 195;
  --shadow: 0 20px 50px rgba(0, 0, 0, 0.45);
  --grid-line: rgba(255, 255, 255, 0.022);
  --title-grad: linear-gradient(180deg, #ffffff 0%, #c7c7d2 62%, #7a7a88 100%);
}
:root[data-theme="light"] {
  --bg: #ffffff;
  --bg-soft: #f7f7f8;
  --panel: #ffffff;
  --panel-2: #f4f4f6;
  --border: #ececf0;
  --border-hi: #dcdce3;
  --text: #131318;
  --muted: #5b5b67;
  --faint: #9a9aa7;
  --accent: #e5322a;
  --accent-hover: #c11f18;
  --accent-soft: rgba(229, 50, 42, 0.08);
  --accent-line: rgba(229, 50, 42, 0.28);
  --glow: rgba(229, 50, 42, 0.16);
  --star: 120, 120, 135;
  --shadow: 0 20px 46px rgba(20, 20, 40, 0.10);
  --grid-line: rgba(0, 0, 0, 0.03);
  --title-grad: linear-gradient(180deg, #16161a 0%, #35353f 60%, #6a6a78 100%);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 90px; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: "Inter", system-ui, sans-serif;
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  transition: background .4s ease, color .4s ease;
}
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 { font-family: "Sora", system-ui, sans-serif; font-weight: 700; letter-spacing: -0.02em; line-height: 1.1; }

#starfield { position: fixed; inset: 0; z-index: -2; opacity: .7; }
.grid-overlay {
  position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background-image: linear-gradient(var(--grid-line) 1px, transparent 1px), linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(ellipse 78% 55% at 50% 0%, #000 42%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 78% 55% at 50% 0%, #000 42%, transparent 100%);
}

/* Nav */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  display: flex; align-items: center; gap: 22px;
  padding: 20px clamp(16px, 4vw, 44px);
  transition: padding .3s ease, background .3s ease, border-color .3s ease;
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  padding: 13px clamp(16px, 4vw, 44px);
  background: color-mix(in srgb, var(--bg) 78%, transparent);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}
.brand { display: inline-flex; align-items: center; gap: 10px; font-family: "Sora", sans-serif; font-weight: 700; }
.brand-mark { width: 25px; height: 25px; color: var(--accent); }
.brand-name { font-size: 1.12rem; letter-spacing: -0.02em; }
.brand-badge {
  font-family: "JetBrains Mono", monospace; font-size: .62rem; font-weight: 600; letter-spacing: .05em;
  color: var(--accent); background: var(--accent-soft); border: 1px solid var(--accent-line);
  border-radius: 999px; padding: 3px 8px;
}
.nav-links { display: flex; gap: 24px; margin-left: auto; }
.nav-links a { color: var(--muted); font-size: .9rem; font-weight: 500; transition: color .2s ease; }
.nav-links a:hover { color: var(--text); }
.theme-toggle {
  display: inline-grid; place-items: center; width: 38px; height: 38px; cursor: pointer;
  background: transparent; color: var(--muted); border: 1px solid var(--border-hi); border-radius: 999px;
  transition: color .2s ease, border-color .2s ease, transform .2s ease;
}
.theme-toggle:hover { color: var(--accent); border-color: var(--accent-line); transform: translateY(-1px); }
.theme-toggle svg { width: 18px; height: 18px; }
.theme-toggle .icon-moon { display: none; }
:root[data-theme="light"] .theme-toggle .icon-sun { display: none; }
:root[data-theme="light"] .theme-toggle .icon-moon { display: block; }
.nav-cta {
  font-size: .88rem; font-weight: 600; padding: 9px 18px; border-radius: 999px;
  background: var(--accent); color: #fff; transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}
.nav-cta:hover { transform: translateY(-1px); background: var(--accent-hover); box-shadow: 0 10px 30px var(--glow); }
.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: 0; cursor: pointer; padding: 6px; }
.nav-toggle span { width: 22px; height: 2px; background: var(--text); border-radius: 2px; transition: .3s ease; }

/* Hero */
.hero { position: relative; min-height: 100vh; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; padding: 150px clamp(16px, 5vw, 40px) 90px; }
.hero-inner { max-width: 860px; }
.eyebrow {
  display: inline-block; font-family: "JetBrains Mono", monospace; font-size: .72rem; letter-spacing: .18em;
  text-transform: uppercase; color: var(--muted); border: 1px solid var(--border-hi); border-radius: 999px;
  padding: 7px 16px; margin-bottom: 32px; background: color-mix(in srgb, var(--panel) 60%, transparent);
}
.hero-title {
  font-size: clamp(4rem, 16vw, 11rem); font-weight: 800; letter-spacing: -0.045em; line-height: .9;
  background: var(--title-grad); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero-tagline {
  font-family: "Sora", sans-serif; font-weight: 600; font-size: clamp(1.2rem, 3.4vw, 2rem); letter-spacing: .01em; margin-top: 20px;
  background: linear-gradient(90deg, var(--accent), var(--accent-hover)); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero-sub { color: var(--muted); font-size: clamp(1rem, 1.6vw, 1.1rem); max-width: 620px; margin: 22px auto 0; }

.install-row { display: inline-flex; align-items: center; gap: 8px; margin: 36px auto 0; background: var(--panel); border: 1px solid var(--border-hi); border-radius: 12px; padding: 8px 8px 8px 18px; box-shadow: var(--shadow); }
.install-row code { font-family: "JetBrains Mono", monospace; font-size: .92rem; color: var(--text); }
.copy-btn { font-family: "Inter", sans-serif; font-size: .8rem; font-weight: 600; cursor: pointer; background: var(--panel-2); color: var(--muted); border: 1px solid var(--border-hi); border-radius: 8px; padding: 8px 14px; transition: all .2s ease; }
.copy-btn:hover { color: var(--accent); border-color: var(--accent-line); }
.copy-btn.copied { color: #16a34a; border-color: #16a34a; }

.hero-actions { display: flex; flex-wrap: wrap; gap: 13px; justify-content: center; margin-top: 34px; }
.btn { display: inline-flex; align-items: center; gap: 9px; font-weight: 600; font-size: .94rem; padding: 13px 24px; border-radius: 999px; cursor: pointer; transition: transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease, color .2s ease; }
.btn-primary { background: var(--accent); color: #fff; box-shadow: 0 10px 36px var(--glow); }
.btn-primary:hover { transform: translateY(-2px); background: var(--accent-hover); box-shadow: 0 16px 46px var(--glow); }
.btn-ghost { background: transparent; color: var(--text); border: 1px solid var(--border-hi); }
.btn-ghost:hover { transform: translateY(-2px); border-color: var(--accent); color: var(--accent); }

.hero-stats { display: flex; flex-wrap: wrap; gap: clamp(24px, 6vw, 58px); justify-content: center; margin-top: 58px; }
.hero-stats div { display: flex; flex-direction: column; }
.hero-stats strong { font-family: "Sora", sans-serif; font-size: 1.65rem; color: var(--text); }
.hero-stats span { font-size: .8rem; color: var(--faint); text-transform: uppercase; letter-spacing: .08em; margin-top: 4px; }

.scroll-hint { position: absolute; bottom: 30px; left: 50%; transform: translateX(-50%); display: flex; flex-direction: column; align-items: center; gap: 6px; color: var(--faint); font-size: .7rem; letter-spacing: .16em; text-transform: uppercase; }
.scroll-hint svg { animation: bob 1.8s ease-in-out infinite; }
@keyframes bob { 0%,100% { transform: translateY(0); } 50% { transform: translateY(6px); } }

/* Sections */
.section { max-width: 1120px; margin: 0 auto; padding: clamp(70px, 12vw, 130px) clamp(16px, 5vw, 40px); }
.section-head { max-width: 680px; margin: 0 auto 60px; text-align: center; }
.section-eyebrow { font-family: "JetBrains Mono", monospace; font-size: .72rem; letter-spacing: .18em; text-transform: uppercase; color: var(--accent); }
.section-head h2 { font-size: clamp(1.9rem, 5vw, 2.9rem); margin: 16px 0; }
.section-head p { color: var(--muted); font-size: 1.04rem; }

/* Feature cards */
.feature-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 16px; }
.card { background: var(--panel); border: 1px solid var(--border); border-radius: 16px; padding: 28px 24px; transition: transform .3s ease, border-color .3s ease, box-shadow .3s ease; position: relative; overflow: hidden; }
.card::before { content: ""; position: absolute; inset: 0; background: radial-gradient(360px circle at var(--mx,50%) var(--my,0%), var(--accent-soft), transparent 45%); opacity: 0; transition: opacity .3s ease; }
.card:hover { transform: translateY(-4px); border-color: var(--border-hi); box-shadow: var(--shadow); }
.card:hover::before { opacity: 1; }
.card-icon { display: inline-grid; place-items: center; width: 44px; height: 44px; border-radius: 12px; background: var(--accent-soft); border: 1px solid var(--accent-line); margin-bottom: 16px; }
.card-icon svg { width: 22px; height: 22px; color: var(--accent); }
.card h3 { font-size: 1.12rem; margin-bottom: 8px; }
.card p { color: var(--muted); font-size: .94rem; }

/* Steps */
.steps { display: flex; align-items: stretch; justify-content: center; gap: 12px; flex-wrap: wrap; }
.step { flex: 1 1 170px; max-width: 210px; background: var(--panel); border: 1px solid var(--border); border-radius: 16px; padding: 24px 20px; transition: transform .3s ease, border-color .3s ease; }
.step:hover { transform: translateY(-4px); border-color: var(--accent-line); }
.step-n { font-family: "JetBrains Mono", monospace; font-size: .78rem; color: var(--accent); letter-spacing: .1em; }
.step h3 { font-size: 1.08rem; margin: 10px 0 8px; }
.step p { color: var(--muted); font-size: .88rem; }
.step-arrow { display: flex; align-items: center; color: var(--faint); font-size: 1.3rem; }

/* Compare table */
.table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: 16px; background: var(--panel); }
.compare-table { width: 100%; border-collapse: collapse; min-width: 640px; }
.compare-table th, .compare-table td { padding: 16px 20px; text-align: left; font-size: .93rem; border-bottom: 1px solid var(--border); }
.compare-table thead th { font-family: "Sora", sans-serif; color: var(--text); font-size: .88rem; text-transform: uppercase; letter-spacing: .06em; }
.compare-table td:first-child { color: var(--text); font-weight: 500; }
.compare-table td:not(:first-child):not(.col-hi), .compare-table th:not(:first-child):not(.col-hi) { color: var(--muted); }
.compare-table .col-hi { color: var(--accent); font-weight: 600; background: var(--accent-soft); }
.compare-table tbody tr:last-child td { border-bottom: 0; }
.compare-table tbody tr { transition: background .2s ease; }
.compare-table tbody tr:hover { background: color-mix(in srgb, var(--text) 3%, transparent); }

/* Efficiency */
.efficiency { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; }
.donut-wrap { display: flex; flex-direction: column; align-items: center; gap: 26px; }
.donut { --pct: 70; width: 220px; height: 220px; border-radius: 50%; background: conic-gradient(var(--accent) calc(var(--pct) * 1%), color-mix(in srgb, var(--accent) 22%, var(--panel-2)) 0); display: grid; place-items: center; position: relative; box-shadow: 0 0 60px var(--glow); animation: spin-in 1s ease both; }
@keyframes spin-in { from { transform: rotate(-40deg) scale(.9); opacity: 0; } to { transform: none; opacity: 1; } }
.donut::after { content: ""; position: absolute; inset: 22px; border-radius: 50%; background: var(--bg); }
.donut-center { position: relative; z-index: 1; text-align: center; }
.donut-center strong { font-family: "Sora", sans-serif; font-size: 1.8rem; display: block; }
.donut-center span { font-size: .76rem; color: var(--muted); text-transform: uppercase; letter-spacing: .08em; }
.legend { list-style: none; display: grid; gap: 10px; }
.legend li { display: flex; align-items: center; gap: 10px; color: var(--muted); font-size: .9rem; }
.legend strong { color: var(--text); margin-left: 4px; }
.dot { width: 12px; height: 12px; border-radius: 4px; }
.dot-accent { background: var(--accent); }
.dot-strong { background: color-mix(in srgb, var(--accent) 30%, var(--panel-2)); }
.eff-list { list-style: none; display: grid; gap: 12px; }
.eff-list li { display: grid; gap: 3px; padding: 16px 18px; background: var(--panel); border: 1px solid var(--border); border-radius: 12px; border-left: 3px solid var(--accent); }
.eff-list strong { font-size: .96rem; }
.eff-list span { color: var(--muted); font-size: .88rem; }

/* Docs */
.docs-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 16px; margin-bottom: 44px; }
.doc-step { background: var(--panel); border: 1px solid var(--border); border-radius: 16px; padding: 26px 24px; position: relative; }
.doc-n { position: absolute; top: 20px; right: 22px; font-family: "Sora", sans-serif; font-size: 2.4rem; font-weight: 800; color: var(--border-hi); }
.doc-step h3 { font-size: 1.18rem; margin-bottom: 14px; }
.doc-step p { color: var(--muted); font-size: .88rem; margin-top: 12px; }
pre { background: var(--panel-2); border: 1px solid var(--border); border-radius: 10px; padding: 14px 16px; overflow-x: auto; }
pre code, .doc-step p code, .cmd-table code { font-family: "JetBrains Mono", monospace; font-size: .82rem; }
pre code { color: var(--accent); }
.doc-step p code { color: var(--accent); background: var(--accent-soft); padding: 2px 6px; border-radius: 5px; }
.cmd-table-wrap { background: var(--panel); border: 1px solid var(--border); border-radius: 16px; padding: 28px; }
.cmd-title { font-size: 1.18rem; margin-bottom: 18px; }
.cmd-table { width: 100%; border-collapse: collapse; }
.cmd-table td { padding: 12px 10px; border-bottom: 1px solid var(--border); font-size: .9rem; color: var(--muted); vertical-align: top; }
.cmd-table td:first-child { width: 260px; }
.cmd-table code { color: var(--accent); }
.cmd-table tr:last-child td { border-bottom: 0; }
.docs-links { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 24px; }

/* CTA */
.cta { max-width: 820px; margin: 0 auto; text-align: center; padding: clamp(60px, 10vw, 110px) clamp(16px, 5vw, 40px); }
.cta h2 { font-size: clamp(1.8rem, 5vw, 2.7rem); }
.cta p { color: var(--muted); margin: 16px 0 32px; font-size: 1.06rem; }
.cta .hero-actions { margin-top: 0; }

/* Footer */
.footer { border-top: 1px solid var(--border); background: var(--bg-soft); padding: 60px clamp(16px, 5vw, 40px) 30px; }
.footer-top { max-width: 1120px; margin: 0 auto; display: flex; flex-wrap: wrap; gap: 40px; justify-content: space-between; }
.footer-brand { max-width: 320px; }
.footer-brand p { color: var(--muted); margin-top: 14px; font-size: .9rem; }
.footer-cols { display: flex; gap: 60px; flex-wrap: wrap; }
.footer-col h4 { font-size: .78rem; text-transform: uppercase; letter-spacing: .1em; color: var(--faint); margin-bottom: 14px; }
.footer-col a { display: block; color: var(--muted); font-size: .9rem; margin-bottom: 10px; transition: color .2s ease; }
.footer-col a:hover { color: var(--accent); }
.footer-bottom { max-width: 1120px; margin: 40px auto 0; padding-top: 24px; border-top: 1px solid var(--border); display: flex; flex-wrap: wrap; gap: 12px; justify-content: space-between; color: var(--faint); font-size: .82rem; }
.footer-bottom a { color: var(--muted); }
.footer-bottom a:hover { color: var(--accent); }

/* Reveal */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s cubic-bezier(.2,.7,.2,1), transform .7s cubic-bezier(.2,.7,.2,1); }
.reveal.in { opacity: 1; transform: none; }

/* Responsive */
@media (max-width: 860px) {
  .nav-links, .nav-cta { display: none; }
  .nav-toggle { display: flex; }
  .nav.open .nav-links { display: flex; flex-direction: column; position: absolute; top: 100%; left: 0; right: 0; background: color-mix(in srgb, var(--bg) 96%, transparent); backdrop-filter: blur(16px); border-bottom: 1px solid var(--border); padding: 18px clamp(16px,4vw,40px); gap: 18px; }
  .efficiency { grid-template-columns: 1fr; }
  .step-arrow { transform: rotate(90deg); }
}
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .donut, .scroll-hint svg { animation: none; }
  html { scroll-behavior: auto; }
}