/* Parallax Telemetry — instrument-panel styling, deterministic-blue accent. */

:root {
    --bg: #07080a;
    --panel: #0e1014;
    --panel-2: #14171d;
    --line: #20242e;
    --ink: #e9ecf2;
    --dim: #8b909c;
    --accent: #4ad4ff;        /* telemetry cyan */
    --accent-2: #7bffbf;       /* stable green */
    --amber: #ffc24a;          /* elevated */
    --red: #ff6b5e;            /* breach */
    --violet: #9d8cff;
    --mono: 'Courier New', ui-monospace, SFMono-Regular, Menlo, monospace;
    --sans: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { background: var(--bg); color: var(--ink); font-family: var(--sans); font-weight: 300; line-height: 1.6; -webkit-font-smoothing: antialiased; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
code { font-family: var(--mono); color: var(--accent); font-size: 0.92em; }
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 24px; }

/* Header */
header { display: flex; align-items: center; justify-content: space-between; padding: 18px 0; border-bottom: 1px solid var(--line); position: sticky; top: 0; background: rgba(7,8,10,0.85); backdrop-filter: blur(8px); z-index: 10; }
.brand-left { display: flex; align-items: center; gap: 16px; }
.pm-logo img { display: block; height: 34px; width: auto; }
.brand { font-family: var(--mono); font-size: 16px; letter-spacing: 0.14em; border-left: 1px solid var(--line); padding-left: 16px; }
.brand .mark { color: var(--accent); }
nav a { font-family: var(--mono); font-size: 11.5px; color: var(--dim); margin-left: 20px; letter-spacing: 0.08em; }
nav a:hover { color: var(--ink); text-decoration: none; }

/* Hero */
.hero { padding: 78px 0 56px; text-align: center; }
.kicker { font-family: var(--mono); font-size: 12px; letter-spacing: 0.22em; color: var(--accent); margin-bottom: 20px; }
.hero h1 { font-size: clamp(38px, 6vw, 66px); font-weight: 400; line-height: 1.08; margin-bottom: 24px; }
.hero h1 em { font-style: normal; color: var(--accent); }
.hero .sub { color: var(--dim); font-size: 18px; max-width: 660px; margin: 0 auto 30px; }
.hero .sub strong { color: var(--ink); font-weight: 400; }
.hero-cta { display: flex; gap: 12px; justify-content: center; margin-bottom: 26px; flex-wrap: wrap; }
.hero-tags { font-family: var(--mono); font-size: 11.5px; color: var(--dim); letter-spacing: 0.06em; display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; }

.btn { font-family: var(--mono); font-size: 13px; letter-spacing: 0.06em; padding: 12px 22px; border-radius: 7px; cursor: pointer; border: 1px solid var(--line); display: inline-block; }
.btn.primary { background: var(--accent); color: #04222b; border-color: var(--accent); font-weight: 500; }
.btn.primary:hover { background: #6fe0ff; text-decoration: none; }
.btn.ghost { background: transparent; color: var(--ink); }
.btn.ghost:hover { border-color: var(--accent); text-decoration: none; }

/* Bands */
.band { padding: 70px 0; border-top: 1px solid var(--line); }
.band.alt { background: var(--panel); }
.band h2 { font-size: 32px; font-weight: 400; margin-bottom: 14px; }
.band .lede { color: var(--dim); font-size: 17px; max-width: 720px; margin-bottom: 34px; }
.band .lede code { font-size: 15px; }

/* Tabs + panels */
.tabs { display: flex; gap: 8px; margin-bottom: 18px; flex-wrap: wrap; }
.tab { font-family: var(--mono); font-size: 12px; letter-spacing: 0.05em; background: transparent; color: var(--dim); border: 1px solid var(--line); border-radius: 7px; padding: 10px 16px; cursor: pointer; }
.tab.on { color: var(--bg); background: var(--accent); border-color: var(--accent); }
.panel { display: none; background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 24px; }
.panel.on { display: block; }
.panel-q { color: var(--dim); font-size: 15px; margin-bottom: 16px; max-width: 720px; }
.panel-q em { color: var(--ink); font-style: italic; }
.panel label { display: block; font-family: var(--mono); font-size: 11px; letter-spacing: 0.08em; color: var(--dim); margin: 0 0 7px; }
textarea { width: 100%; background: var(--bg); border: 1px solid var(--line); border-radius: 8px; color: var(--ink); font-family: var(--mono); font-size: 13px; line-height: 1.55; padding: 13px; resize: vertical; }
textarea:focus { outline: none; border-color: var(--accent); }
.two-up { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-bottom: 8px; }
@media (max-width: 720px) { .two-up { grid-template-columns: 1fr; } }
.panel .run { margin-top: 14px; }
.btn-row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.btn-row .btn { margin-top: 14px; }
.hashes { font-family: var(--mono); font-size: 11px; display: grid; gap: 8px; }
.hashes code { display: block; color: var(--accent-2); word-break: break-all; font-size: 11px; }
.hash-label { color: var(--dim); letter-spacing: 0.08em; display: block; margin-bottom: 2px; }
.chips { display: flex; gap: 6px; flex-wrap: wrap; margin: -6px 0 14px; }
.chip { font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.05em; color: var(--amber); border: 1px solid rgba(255,194,74,0.35); border-radius: 4px; padding: 2px 8px; }
.api-run { margin-top: 12px; font-size: 11px !important; padding: 8px 14px !important; }
.api-out { margin-top: 10px; max-height: 280px; overflow-y: auto; color: var(--accent-2); font-size: 11px; }
.legend { margin: 0 0 14px; border: 1px solid var(--line); border-radius: 6px; padding: 8px 12px; }
.legend summary { font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.1em; color: var(--dim); cursor: pointer; }
.legend summary:hover { color: var(--ink); }
.legend-note { color: var(--dim); font-size: 12.5px; margin: 10px 0; }
.legend-row { display: grid; grid-template-columns: 160px 1fr; gap: 10px; padding: 4px 0; border-top: 1px solid rgba(255,255,255,0.04); font-size: 12px; }
.legend-sym { font-family: var(--mono); color: var(--accent-2); }
.legend-gloss { color: var(--dim); }
.axis[title] { cursor: help; }
.mover { padding: 6px 0; border-bottom: 1px solid rgba(255,255,255,0.04); }
.mover:last-child { border-bottom: none; }
.mover-name { font-family: var(--mono); font-size: 12px; color: var(--ink); display: block; }
.mover-gloss { color: var(--dim); font-size: 12px; display: block; margin-top: 2px; }
.coherence-warn { margin: 10px 0; padding: 10px 12px; border-left: 2px solid var(--amber); background: rgba(255,194,74,0.06); color: var(--dim); font-size: 12.5px; line-height: 1.5; }
.coherence-warn b { color: var(--amber); }

/* Results */
.result { margin-top: 20px; border-top: 1px solid var(--line); padding-top: 18px; }
.verdict { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }
.badge { font-family: var(--mono); font-size: 12px; letter-spacing: 0.08em; padding: 6px 12px; border-radius: 6px; font-weight: 500; }
.badge.green { background: rgba(123,255,191,0.14); color: var(--accent-2); border: 1px solid rgba(123,255,191,0.4); }
.badge.amber { background: rgba(255,194,74,0.14); color: var(--amber); border: 1px solid rgba(255,194,74,0.4); }
.badge.red { background: rgba(255,107,94,0.14); color: var(--red); border: 1px solid rgba(255,107,94,0.4); }
.badge.cyan { background: rgba(74,212,255,0.14); color: var(--accent); border: 1px solid rgba(74,212,255,0.4); }
.verdict .headline { font-size: 15px; color: var(--ink); }

/* Axis bars */
.axes { display: grid; grid-template-columns: 1fr 1fr; gap: 6px 22px; margin: 8px 0 16px; }
@media (max-width: 620px) { .axes { grid-template-columns: 1fr; } }
.axis { display: grid; grid-template-columns: 96px 1fr 46px; align-items: center; gap: 10px; font-family: var(--mono); font-size: 11.5px; }
.axis .name { color: var(--dim); }
.axis .name b { color: var(--accent); font-weight: 400; }
.axis .track { display: block; height: 7px; background: var(--panel-2); border-radius: 4px; overflow: hidden; }
.axis .fill { display: block; height: 100%; background: linear-gradient(90deg, var(--accent), var(--violet)); border-radius: 4px; }
.axis .val { color: var(--ink); text-align: right; }

.kv { display: flex; flex-wrap: wrap; gap: 8px 18px; font-family: var(--mono); font-size: 11.5px; color: var(--dim); margin-top: 6px; }
.kv b { color: var(--ink); font-weight: 400; }
.movers { font-family: var(--mono); font-size: 12px; color: var(--dim); margin-top: 8px; }
.movers .up { color: var(--accent-2); }
.movers .down { color: var(--red); }
.err { font-family: var(--mono); font-size: 12px; color: var(--red); }
.section-label { font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.12em; color: var(--dim); margin: 16px 0 8px; }

/* Why / compare grid */
.compare-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 26px; }
@media (max-width: 720px) { .compare-grid { grid-template-columns: 1fr; } }
.col { border: 1px solid var(--line); border-radius: 10px; padding: 22px; background: var(--bg); }
.col-tag { font-family: var(--mono); font-size: 11px; letter-spacing: 0.12em; margin-bottom: 14px; }
.col.judge { opacity: 0.85; }
.col.judge .col-tag { color: var(--red); }
.col.ruler { border-color: rgba(74,212,255,0.4); }
.col.ruler .col-tag { color: var(--accent); }
.col ul { list-style: none; }
.col li { font-size: 14.5px; color: var(--dim); padding: 7px 0 7px 20px; position: relative; }
.col.judge li::before { content: "✕"; position: absolute; left: 0; color: var(--red); }
.col.ruler li::before { content: "✓"; position: absolute; left: 0; color: var(--accent); }
.col.ruler li { color: var(--ink); }
.footnote { color: var(--dim); font-size: 14.5px; max-width: 760px; }
.footnote.validation { margin-top: 12px; color: var(--ink); }
.footnote em { color: var(--ink); font-style: italic; }

/* API cards */
.api-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
@media (max-width: 860px) { .api-grid { grid-template-columns: 1fr; } }
.api-card { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 20px; }
.api-card .ep { font-family: var(--mono); font-size: 12px; color: var(--dim); margin-bottom: 10px; }
.api-card .ep span { color: var(--accent); }
.api-card p { color: var(--dim); font-size: 14px; margin-bottom: 14px; }
pre { font-family: var(--mono); font-size: 12px; line-height: 1.5; color: var(--ink); background: var(--bg); border: 1px solid var(--line); border-radius: 8px; padding: 13px; overflow-x: auto; white-space: pre; }
pre.wide { margin-bottom: 14px; }

/* Footer */
footer { border-top: 1px solid var(--line); padding: 34px 0 50px; color: var(--dim); font-size: 13.5px; }
footer .wrap { display: flex; justify-content: space-between; gap: 18px; flex-wrap: wrap; }
footer .mono { font-family: var(--mono); font-size: 11.5px; letter-spacing: 0.05em; }