/* ============================================================
   nyx-proxy — product identity stylesheet (dark, single-theme)
   Nyx product family (serve=amber, kv=emerald, edit=violet):
   shared dark dev-tool base, per-product accent. nyx-proxy's
   accent is sky — the colour of traffic, routes and links.
   ============================================================ */

:root {
    --bg: #080d12;
    --bg-raise: #0e151c;
    --bg-code: #0a1017;
    --bg-inline: #131d27;
    --border: #172230;
    --border-strong: #24344a;

    --ink: #e7eef5;
    --ink-2: #93a4b6;
    --ink-dim: #57697d;

    --accent: #38bdf8;          /* sky — traffic / routing */
    --accent-strong: #0ea5e9;
    --accent-ink: #04121c;
    --accent-soft: rgba(56, 189, 248, 0.12);

    /* terminal + toml syntax */
    --prompt: #38bdf8;
    --result: #7dd3fc;
    --comment: #57697d;
    --kw: #7db4ff;
    --str: #7ee0a8;
    --num: #f6c667;
    --op: #8b93a7;
    --cm: #57697d;

    --font-display: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
    --maxw: 1040px;

    --text-secondary: var(--ink-2);
    --text-primary: var(--ink);
    --accent-hover: var(--accent-strong);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    background: var(--bg); color: var(--ink);
    font-family: var(--font-display); font-size: 16px; line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}
::selection { background: var(--accent); color: var(--accent-ink); }
a { color: inherit; text-decoration: none; }
body::before {
    content: ""; position: fixed; inset: 0; z-index: -1; pointer-events: none;
    background: radial-gradient(58% 40% at 50% -6%, rgba(56,189,248,0.10), transparent 70%);
}

/* nav */
nav {
    position: fixed; top: 0; z-index: 50; width: 100%;
    display: flex; align-items: center; justify-content: space-between;
    padding: 0.85rem 2rem; background: rgba(8, 13, 18, 0.82);
    backdrop-filter: blur(10px); border-bottom: 1px solid var(--border);
}
.nav-logo { font-family: var(--font-mono); font-weight: 600; font-size: 1.02rem; color: var(--ink); }
.nav-logo .product { color: var(--accent); }
.nav-right { display: flex; align-items: center; gap: 1.4rem; font-size: 0.92rem; color: var(--ink-2); }
.nav-right a:hover { color: var(--ink); }
.nav-lang { color: var(--ink-dim); font-size: 0.85rem; }
.nav-lang a.active { color: var(--ink); }

/* layout */
section { padding: 4.2rem 2rem; max-width: var(--maxw); margin: 0 auto; }
.section-label, .hero-label {
    font-family: var(--font-mono); font-size: 0.72rem; font-weight: 500;
    letter-spacing: 0.14em; text-transform: uppercase; color: var(--accent);
}
.section-title { font-size: 1.85rem; font-weight: 700; letter-spacing: -0.02em; margin-top: 0.55rem; text-wrap: balance; }
.section-subtitle, .section-lead { color: var(--ink-2); margin-top: 0.65rem; max-width: 62ch; }
h3 { color: var(--ink); font-size: 1.05rem; font-weight: 600; letter-spacing: -0.01em; }
.eco-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; margin-top: 2rem; }
.eco { display: block; background: var(--bg-raise); border: 1px solid var(--border); border-radius: 10px; padding: 1.3rem 1.4rem; transition: border-color 0.15s ease; }
.eco:hover { border-color: var(--border-strong); }
.eco .e-name { font-family: var(--font-mono); font-size: 0.95rem; color: var(--ink); }
.eco p { font-size: 0.88rem; color: var(--ink-2); margin-top: 0.45rem; }

/* hero */
.hero { max-width: 760px; margin: 0 auto; padding: 9rem 2rem 2.5rem; text-align: center; }
.hero-label { display: inline-block; }
.hero h1 { font-size: clamp(2.1rem, 5.2vw, 3.2rem); font-weight: 800; letter-spacing: -0.035em; line-height: 1.08; margin-top: 1rem; text-wrap: balance; }
.hero .subtitle { color: var(--ink-2); margin: 1.1rem auto 0; font-size: 1.05rem; max-width: 54ch; }
.hero-buttons { display: flex; gap: 0.8rem; margin-top: 1.8rem; justify-content: center; flex-wrap: wrap; }

.btn { display: inline-block; padding: 0.62rem 1.3rem; border-radius: 6px; font-weight: 600; font-size: 0.94rem; border: 1px solid transparent; transition: transform 0.12s ease, background 0.12s ease, border-color 0.12s ease; }
.btn:active { transform: translateY(1px); }
.btn-accent { background: var(--accent); color: var(--accent-ink); }
.btn-accent:hover { background: var(--accent-strong); }
.btn-outline { border-color: var(--border-strong); color: var(--ink); }
.btn-outline:hover { border-color: var(--ink-dim); }

/* stats */
.stats-inner { display: grid; grid-template-columns: repeat(4, 1fr); border: 1px solid var(--border); border-radius: 10px; background: var(--bg-raise); overflow: hidden; }
.stat { padding: 1.35rem 1.2rem; border-left: 1px solid var(--border); }
.stat:first-child { border-left: none; }
.stat .n { font-family: var(--font-mono); font-size: 1.4rem; color: var(--ink); font-variant-numeric: tabular-nums; }
.stat .n em { font-style: normal; color: var(--accent); }
.stat .l { font-size: 0.8rem; color: var(--ink-dim); margin-top: 0.15rem; }

/* terminal + code */
.terminal { background: var(--bg-code); border: 1px solid var(--border); border-radius: 10px; overflow: hidden; box-shadow: 0 24px 60px -34px rgba(0,0,0,0.85); }
.terminal-bar { display: flex; align-items: center; gap: 0.45rem; padding: 0.6rem 0.9rem; border-bottom: 1px solid var(--border); background: var(--bg-raise); }
.terminal-dot { width: 10px; height: 10px; border-radius: 50%; }
.terminal-dot.red, .terminal-dot.yellow { background: #24344a; }
.terminal-dot.green { background: var(--accent-strong); }
pre { background: var(--bg-code); border: 1px solid var(--border); border-radius: 10px; padding: 1.3rem 1.5rem; font-family: var(--font-mono); font-size: 0.82rem; line-height: 1.7; overflow-x: auto; color: var(--ink-2); }
.terminal pre { border: none; border-radius: 0; }
code { font-family: var(--font-mono); font-size: 0.85em; background: var(--bg-inline); border: 1px solid var(--border); border-radius: 4px; padding: 0.1em 0.4em; color: var(--ink); }
pre code { background: none; border: none; padding: 0; }

.prompt { color: var(--prompt); user-select: none; }
.result { color: var(--result); }
.comment, .cm { color: var(--comment); }
.kw { color: var(--kw); } .str { color: var(--str); } .num { color: var(--num); } .op { color: var(--op); }

/* cards */
.card-grid { display: grid; gap: 1rem; margin-top: 1.6rem; }
.card-grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
.card-grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.card { display: block; background: var(--bg-raise); border: 1px solid var(--border); border-radius: 10px; padding: 1.25rem 1.35rem; transition: border-color 0.15s ease; }
a.card:hover { border-color: var(--border-strong); }
.card-title { font-weight: 600; font-size: 1.02rem; color: var(--ink); }
.card-desc { color: var(--ink-2); font-size: 0.9rem; margin-top: 0.45rem; }
.card-stat { font-family: var(--font-mono); color: var(--accent); font-size: 0.85rem; margin-top: 0.6rem; }

/* footer */
footer { border-top: 1px solid var(--border); padding: 3rem 2rem 2.5rem; max-width: var(--maxw); margin: 0 auto; }
.footer-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 2rem; }
.footer-col h4 { font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--ink-dim); margin-bottom: 0.7rem; }
.footer-col a { display: block; color: var(--ink-2); font-size: 0.9rem; padding: 0.2rem 0; }
.footer-col a:hover { color: var(--accent); }
.footer-bottom { margin-top: 2.5rem; padding-top: 1.5rem; border-top: 1px solid var(--border); text-align: center; color: var(--ink-dim); font-size: 0.85rem; }
.footer-bottom a { color: var(--ink-2); }

@media (max-width: 860px) {
    .card-grid.cols-2, .card-grid.cols-3 { grid-template-columns: 1fr; }
    .stats-inner { grid-template-columns: repeat(2, 1fr); }
    .stat { border-top: 1px solid var(--border); }
    .stat:nth-child(-n+2) { border-top: none; }
    .stat:nth-child(odd) { border-left: none; }
    .footer-grid { grid-template-columns: repeat(2, 1fr); }
    .hide-mobile { display: none; }
    .hero { padding-top: 7rem; }
}