:root {
  --bg: #04060c;
  --bg-2: #070b16;
  --panel: rgba(12, 18, 34, 0.72);
  --panel-solid: #0b1222;
  --line: rgba(120, 160, 255, 0.14);
  --line-strong: rgba(120, 160, 255, 0.32);
  --text: #e6edff;
  --muted: #8592b3;
  --dim: #4f5b7a;
  --blue: #1f66f0;
  --cyan: #22d3ee;
  --violet: #8b5cf6;
  --green: #34f5a4;
  --amber: #ffb547;
  --pink: #ff5c8a;
  --mono: "JetBrains Mono", ui-monospace, "Cascadia Code", Consolas, monospace;
  --sans: "Space Grotesk", "Inter", system-ui, sans-serif;
  --maxw: 1180px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
::selection { background: var(--cyan); color: #000; }

/* ---------- Background: grid + glow ---------- */
.bg-grid {
  position: fixed; inset: 0; z-index: -2; pointer-events: none;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 30%, transparent 75%);
  opacity: .55;
}
.bg-glow {
  position: fixed; z-index: -1; pointer-events: none; border-radius: 50%; filter: blur(110px); opacity: .35;
}
.bg-glow.a { width: 520px; height: 520px; background: var(--blue); top: -180px; left: -120px; }
.bg-glow.b { width: 460px; height: 460px; background: var(--violet); top: 120px; right: -160px; opacity: .22; }

.container { max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }
.mono { font-family: var(--mono); }

/* ---------- Header ---------- */
.header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(4, 6, 12, 0.7);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 66px; gap: 16px; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 1.1rem; letter-spacing: .02em; }
.logo-mark {
  width: 32px; height: 32px; border-radius: 8px; display: grid; place-items: center;
  font-family: var(--mono); font-size: .9rem; font-weight: 700; color: #000;
  background: linear-gradient(135deg, var(--cyan), var(--blue));
  box-shadow: 0 0 20px rgba(34, 211, 238, .45);
}
.logo .mono { color: var(--cyan); font-weight: 500; }
.nav-links { display: flex; gap: 6px; list-style: none; font-family: var(--mono); font-size: .85rem; }
.nav-links a { color: var(--muted); padding: 8px 12px; border-radius: 8px; transition: color .2s, background .2s; }
.nav-links a:hover, .nav-links a.active { color: var(--text); background: rgba(34, 211, 238, .08); }
.nav-links a::before { content: "./"; color: var(--dim); }
.menu-toggle { display: none; background: none; border: 1px solid var(--line-strong); color: var(--text); font-family: var(--mono); border-radius: 8px; padding: 6px 10px; cursor: pointer; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 12px 20px; border-radius: 10px; font-family: var(--mono); font-weight: 600; font-size: .88rem;
  border: 1px solid var(--line-strong); transition: transform .15s, box-shadow .2s, border-color .2s;
}
.btn:hover { transform: translateY(-2px); border-color: var(--cyan); }
.btn-primary {
  background: linear-gradient(135deg, var(--cyan), var(--blue)); color: #000; border-color: transparent;
  box-shadow: 0 0 0 1px rgba(34,211,238,.4), 0 10px 40px -10px rgba(34,211,238,.6);
}
.btn-ghost { background: rgba(255,255,255,.02); }

/* ---------- Hero ---------- */
.hero { padding: 84px 0 70px; }
.hero-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.kicker {
  display: inline-flex; align-items: center; gap: 10px; font-family: var(--mono); font-size: .8rem;
  color: var(--cyan); padding: 6px 12px; border: 1px solid rgba(34,211,238,.3); border-radius: 999px;
  background: rgba(34,211,238,.06); margin-bottom: 24px;
}
.kicker .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--green); box-shadow: 0 0 10px var(--green); animation: pulse 2s infinite; }
@keyframes pulse { 50% { opacity: .35; } }
.hero h1 { font-size: clamp(2.3rem, 5.2vw, 3.9rem); line-height: 1.05; font-weight: 700; letter-spacing: -0.03em; margin-bottom: 22px; }
.grad { background: linear-gradient(100deg, var(--cyan), var(--blue) 45%, var(--violet)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero .lead { color: var(--muted); font-size: 1.08rem; max-width: 520px; margin-bottom: 30px; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.hero-meta { display: flex; gap: 28px; margin-top: 40px; font-family: var(--mono); font-size: .8rem; color: var(--muted); flex-wrap: wrap; }
.hero-meta b { display: block; font-size: 1.5rem; color: var(--text); font-family: var(--sans); }

/* ---------- Window (terminal / editor) ---------- */
.window {
  background: var(--panel); border: 1px solid var(--line-strong); border-radius: 14px; overflow: hidden;
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 30px 80px -30px rgba(0,0,0,.9), 0 0 0 1px rgba(34,211,238,.05), 0 0 60px -20px rgba(31,102,240,.45);
}
.window-bar {
  display: flex; align-items: center; gap: 8px; padding: 11px 14px;
  border-bottom: 1px solid var(--line); background: rgba(255,255,255,.02);
  font-family: var(--mono); font-size: .76rem; color: var(--muted);
}
.window-bar i { width: 11px; height: 11px; border-radius: 50%; display: inline-block; }
.window-bar i:nth-child(1) { background: #ff5f57; }
.window-bar i:nth-child(2) { background: #febc2e; }
.window-bar i:nth-child(3) { background: #28c840; }
.window-bar span { margin-left: 8px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.window-bar .tag { margin-left: auto; color: var(--dim); }

.terminal { padding: 20px 20px 24px; font-family: var(--mono); font-size: .84rem; line-height: 1.75; min-height: 340px; }
.terminal .ln { white-space: pre-wrap; word-break: break-word; }
.t-prompt { color: var(--green); }
.t-cmd { color: var(--text); }
.t-dim { color: var(--dim); }
.t-key { color: var(--cyan); }
.t-str { color: var(--amber); }
.t-ok { color: var(--green); }
.t-warn { color: var(--amber); }
.t-vio { color: var(--violet); }
.cursor { display: inline-block; width: 8px; height: 1.05em; background: var(--cyan); vertical-align: text-bottom; animation: blink 1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }

/* ---------- Sections ---------- */
section { padding: 90px 0; position: relative; }
.section-head { margin-bottom: 48px; max-width: 720px; }
.section-head .label { font-family: var(--mono); font-size: .8rem; color: var(--cyan); letter-spacing: .04em; }
.section-head .label::before { content: "// "; color: var(--dim); }
.section-head h2 { font-size: clamp(1.8rem, 3.6vw, 2.7rem); font-weight: 700; letter-spacing: -0.02em; margin: 8px 0 12px; line-height: 1.15; }
.section-head p { color: var(--muted); }

/* ---------- App block ---------- */
.app { display: grid; grid-template-columns: 1.05fr .95fr; gap: 26px; margin-bottom: 26px; scroll-margin-top: 90px; }
.app + .features { margin-bottom: 90px; }
.app-media { position: relative; min-height: 320px; display: grid; place-items: center; overflow: hidden; }
.app-media > img.cover { width: 100%; height: 100%; object-fit: cover; }
.app-media.portfoy {
  background: radial-gradient(ellipse at 50% 35%, #1d6ae0 0%, #0a3fa6 45%, #051737 100%);
  padding: 40px;
}
.app-media.portfoy > img { width: 70%; max-width: 340px; position: relative; z-index: 1; }
.app-media .mountains { position: absolute; inset: auto 0 0 0; width: 100%; height: 42%; }
.scan::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: repeating-linear-gradient(to bottom, rgba(255,255,255,.025) 0 1px, transparent 1px 3px);
}
.window .app-media { border-radius: 0; }

.app-info { padding: 28px; display: flex; flex-direction: column; gap: 16px; }
.app-title { display: flex; align-items: center; gap: 14px; }
.app-title img { width: 58px; height: 58px; border-radius: 14px; box-shadow: 0 0 30px -6px rgba(34,211,238,.55); }
.app-title h3 { font-size: 1.55rem; line-height: 1.15; }
.app-title .pkg { font-family: var(--mono); font-size: .76rem; color: var(--dim); }
.app-info p { color: var(--muted); }
.app-info p strong { color: var(--text); font-weight: 600; }

.status { display: inline-flex; align-items: center; gap: 7px; font-family: var(--mono); font-size: .74rem; padding: 4px 10px; border-radius: 6px; border: 1px solid; width: fit-content; }
.status::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: currentColor; box-shadow: 0 0 8px currentColor; }
.status.dev { color: var(--amber); border-color: rgba(255,181,71,.35); background: rgba(255,181,71,.07); }
.status.live { color: var(--green); border-color: rgba(52,245,164,.35); background: rgba(52,245,164,.07); }

.code {
  font-family: var(--mono); font-size: .8rem; line-height: 1.7; padding: 14px 16px; border-radius: 10px;
  background: rgba(0,0,0,.35); border: 1px solid var(--line); overflow-x: auto; white-space: pre;
}

.tags { display: flex; flex-wrap: wrap; gap: 6px; }
.tag-chip { font-family: var(--mono); font-size: .72rem; padding: 4px 9px; border-radius: 6px; border: 1px solid var(--line-strong); color: var(--muted); background: rgba(255,255,255,.02); }
.tag-chip.on { color: var(--cyan); border-color: rgba(34,211,238,.4); background: rgba(34,211,238,.06); }

.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.feature {
  position: relative; padding: 22px; border-radius: 12px; border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(255,255,255,.025), transparent);
  transition: border-color .2s, transform .2s;
}
.feature:hover { border-color: rgba(34,211,238,.45); transform: translateY(-3px); }
.feature .fn { font-family: var(--mono); font-size: .76rem; color: var(--cyan); margin-bottom: 10px; display: block; }
.feature .fn em { color: var(--violet); font-style: normal; }
.feature h4 { font-size: 1.05rem; margin-bottom: 6px; }
.feature p { color: var(--muted); font-size: .92rem; }

.note { font-family: var(--mono); font-size: .76rem; color: var(--dim); margin-top: 14px; }
.note::before { content: "/* "; } .note::after { content: " */"; }

/* ---------- Platforms ---------- */
.platforms { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-bottom: 26px; }
.platform { padding: 26px; }
.platform-head { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; }
.platform-head svg { width: 30px; height: 30px; fill: currentColor; color: var(--cyan); }
.platform-head h3 { font-size: 1.25rem; }
.platform p { color: var(--muted); font-size: .93rem; margin-bottom: 16px; }
.platform ul { list-style: none; font-family: var(--mono); font-size: .8rem; display: grid; gap: 7px; }
.platform li { color: var(--muted); }
.platform li::before { content: "› "; color: var(--cyan); }

.matrix-wrap { overflow-x: auto; }
.matrix { width: 100%; border-collapse: collapse; font-family: var(--mono); font-size: .82rem; min-width: 640px; }
.matrix th, .matrix td { padding: 13px 14px; text-align: center; border-bottom: 1px solid var(--line); }
.matrix th { color: var(--muted); font-weight: 500; font-size: .74rem; text-transform: uppercase; letter-spacing: .06em; }
.matrix td:first-child, .matrix th:first-child { text-align: left; color: var(--text); }
.matrix tr:last-child td { border-bottom: 0; }
.ok { color: var(--green); } .soon { color: var(--amber); } .na { color: var(--dim); }

/* ---------- Footer ---------- */
.footer { border-top: 1px solid var(--line); padding: 34px 0; font-family: var(--mono); font-size: .8rem; color: var(--muted); }
.footer-inner { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 14px; }
.footer-links { display: flex; gap: 20px; flex-wrap: wrap; }
.footer-links a:hover { color: var(--cyan); }

/* ---------- Reveal on scroll ---------- */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .cursor, .kicker .dot { animation: none; }
}

/* ---------- Legal page ---------- */
.legal { padding: 64px 0 90px; }
.legal .container { max-width: 860px; }
.legal .doc { padding: 34px 38px; }
.legal h1 { font-size: clamp(2rem, 4vw, 2.7rem); letter-spacing: -0.02em; margin-bottom: 6px; }
.legal .updated { font-family: var(--mono); font-size: .8rem; color: var(--dim); margin-bottom: 30px; }
.legal h2 { font-size: 1.25rem; margin: 38px 0 12px; scroll-margin-top: 90px; }
.legal h2::before { content: "# "; font-family: var(--mono); color: var(--cyan); }
.legal h3 { font-size: 1rem; margin: 20px 0 8px; color: var(--text); }
.legal p, .legal li { color: #b8c3de; margin-bottom: 10px; }
.legal ul { padding-left: 22px; }
.legal li::marker { color: var(--cyan); }
.legal a { color: var(--cyan); text-decoration: underline; text-underline-offset: 3px; }
.toc { border: 1px solid var(--line); border-radius: 12px; padding: 18px 22px; margin-bottom: 26px; background: rgba(0,0,0,.25); font-family: var(--mono); font-size: .84rem; }
.toc ol { padding-left: 22px; columns: 2; }
.toc li { margin-bottom: 5px; }
.toc a { text-decoration: none; color: var(--muted); }
.toc a:hover { color: var(--cyan); }
.lang-switch { display: inline-flex; border: 1px solid var(--line-strong); border-radius: 10px; overflow: hidden; margin-bottom: 22px; }
.lang-switch button { padding: 8px 16px; background: none; border: 0; color: var(--muted); cursor: pointer; font-family: var(--mono); font-size: .82rem; }
.lang-switch button.active { color: #000; background: var(--cyan); }
[data-lang] { display: none; }
[data-lang].show { display: block; }

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
  .hero-grid, .app { grid-template-columns: 1fr; }
  .features, .platforms { grid-template-columns: repeat(2, 1fr); }
  .app.reverse .app-media-win { order: 0; }
}
@media (max-width: 720px) {
  .menu-toggle { display: block; }
  .nav-links {
    display: none; position: absolute; top: 66px; left: 0; right: 0; flex-direction: column; gap: 0;
    background: rgba(4,6,12,.96); border-bottom: 1px solid var(--line); padding: 8px 12px;
  }
  .nav-links.open { display: flex; }
  .nav-links a { display: block; padding: 12px; }
  .features, .platforms { grid-template-columns: 1fr; }
  section { padding: 64px 0; }
  .hero { padding: 48px 0 40px; }
  .terminal { font-size: .76rem; min-height: 300px; padding: 16px; }
  .app-media { min-height: 220px; }
  .app-info { padding: 22px; }
  .legal .doc { padding: 22px 18px; }
  .toc ol { columns: 1; }
}