/* ==========================================================================
   Asgharian — site stylesheet
   Custom software for data center developers. Dark-first.
   Tokens at the top; components below; motion at the bottom.
   ========================================================================== */

/* Self-hosted fonts (latin subset) ------------------------------------ */
@font-face { font-family: "Inter"; font-style: normal; font-weight: 100 900; font-display: swap; src: url("../fonts/inter.woff2") format("woff2"); unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }
@font-face { font-family: "Space Grotesk"; font-style: normal; font-weight: 300 700; font-display: swap; src: url("../fonts/space-grotesk.woff2") format("woff2"); unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }

:root {
  --bg: #0a0b0e;
  --bg-2: #111318;
  --bg-3: #181b22;
  --bg-4: #1f232c;
  --line: #242833;
  --line-strong: #323846;
  --text: #eef0f4;
  --text-2: #b6bcc9;
  --muted: #8a92a6;
  --accent: #f2b23e;
  --accent-strong: #ffcc66;
  --accent-ink: #1a1200;
  --good: #4fd18b;
  --warn: #ff7a59;
  --radius: 12px;
  --radius-lg: 18px;
  --max: 1160px;
  --font: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-display: "Space Grotesk", "Inter", ui-sans-serif, system-ui, sans-serif;
  --mono: ui-monospace, "JetBrains Mono", "Cascadia Code", Consolas, monospace;
  --ease: cubic-bezier(.2, .7, .2, 1);
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img, svg { max-width: 100%; display: block; }
h1, h2, h3, h4 { font-family: var(--font-display); letter-spacing: -0.02em; line-height: 1.08; margin: 0; }
h1 { font-size: clamp(2.4rem, 5vw, 4rem); font-weight: 700; }
h2 { font-size: clamp(1.8rem, 3.4vw, 2.6rem); font-weight: 700; }
h3 { font-size: 1.15rem; font-weight: 600; }
p { margin: 0; }
code, pre { font-family: var(--mono); }
.wrap { width: min(var(--max), calc(100% - 2.5rem)); margin-inline: auto; }
.muted { color: var(--muted); }
.lede { color: var(--text-2); font-size: 1.15rem; max-width: 640px; }
.eyebrow {
  display: inline-flex; align-items: center; gap: .5rem;
  font-size: .78rem; font-weight: 600; letter-spacing: .12em; text-transform: uppercase;
  color: var(--accent);
}
.eyebrow::before { content: ""; width: 18px; height: 2px; background: var(--accent); }
.center { text-align: center; }
.center .eyebrow { justify-content: center; }
.center .lede { margin-inline: auto; }
.section { padding: 6rem 0; }
.section + .section { border-top: 1px solid var(--line); }
.section.soft { background: var(--bg-2); }
.section-head { display: grid; gap: 1rem; margin-bottom: 3rem; }
.section-head h2 span { color: var(--accent); }
.grid { display: grid; gap: 1.25rem; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 900px) { .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; } }

/* Buttons ---------------------------------------------------------------- */
.btn {
  display: inline-flex; align-items: center; gap: .5rem;
  padding: .7rem 1.15rem; border-radius: 10px; border: 1px solid var(--line-strong);
  background: var(--bg-3); color: var(--text); font-weight: 600; font-size: .95rem;
  cursor: pointer; transition: background .15s, border-color .15s, transform .15s;
  white-space: nowrap; font-family: inherit;
}
.btn:hover { background: var(--bg-4); border-color: #414859; }
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn-primary:hover { background: var(--accent-strong); border-color: var(--accent-strong); }
.btn-ghost { background: transparent; border-color: transparent; color: var(--text-2); }
.btn-ghost:hover { background: var(--bg-3); border-color: transparent; color: var(--text); }
.btn-lg { padding: .9rem 1.5rem; font-size: 1.05rem; }
.btn-block { width: 100%; justify-content: center; }
.btn svg { width: 18px; height: 18px; }
.btn .count { background: rgba(0,0,0,.25); border-radius: 6px; padding: .1rem .45rem; font-size: .8rem; }

/* Scroll progress -------------------------------------------------------- */
.progress { position: fixed; top: 0; left: 0; height: 2px; width: 100%; z-index: 60; background: transparent; pointer-events: none; }
.progress span { display: block; height: 100%; width: 0; background: var(--accent); transition: width .08s linear; }

/* Header ----------------------------------------------------------------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(10, 11, 14, .72); backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color .2s, background .2s;
}
.site-header.scrolled { border-bottom-color: var(--line); background: rgba(10, 11, 14, .88); }
.nav { display: flex; align-items: center; gap: 1.25rem; height: 68px; transition: height .2s; }
.site-header.scrolled .nav { height: 60px; }
.brand { display: flex; align-items: center; gap: .6rem; font-family: var(--font-display); font-weight: 700; font-size: 1.15rem; letter-spacing: .02em; }
.brand-mark { width: 30px; height: 30px; }
.nav-links { display: flex; gap: .1rem; margin-left: .5rem; list-style: none; padding: 0; margin-block: 0; }
.nav-links a { padding: .45rem .7rem; border-radius: 8px; color: var(--text-2); font-size: .9rem; font-weight: 500; white-space: nowrap; }
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--text); background: var(--bg-3); }
.nav-cta { margin-left: auto; display: flex; gap: .5rem; }
.nav-toggle { display: none; margin-left: auto; background: none; border: 1px solid var(--line-strong); border-radius: 8px; color: var(--text); width: 40px; height: 40px; cursor: pointer; }
/* The seven header items need about 880px in one row. Tighten before hiding. */
@media (max-width: 1040px) {
  .nav { gap: .6rem; }
  .nav-links { margin-left: 0; }
  .nav-links a { padding: .45rem .5rem; }
  .nav-cta { gap: .4rem; }
  .nav-cta .btn { padding: .6rem .8rem; }
}
@media (max-width: 820px) {
  .nav-links, .nav-cta { display: none; }
  .nav-toggle { display: inline-flex; align-items: center; justify-content: center; }
  .site-header.open .nav { flex-wrap: wrap; height: auto; padding: .75rem 0; }
  /* Open menu keeps the 1 / 4 / 2 grouping: wordmark, links, then the two CTAs. */
  .site-header.open .nav-links { display: flex; flex-direction: column; width: 100%; order: 3; margin: 0; padding-bottom: .85rem; border-bottom: 1px solid var(--line); }
  .site-header.open .nav-links a { padding: .55rem .7rem; }
  .site-header.open .nav-cta { display: flex; width: 100%; order: 4; margin: .85rem 0 0; flex-direction: column; }
  .site-header.open .nav-cta .btn { justify-content: center; }
}

/* Hero ------------------------------------------------------------------- */
.hero { position: relative; padding: 5rem 0 4rem; overflow: hidden; }
.hero-glow {
  position: absolute; inset: -30% -10% auto; height: 120%; pointer-events: none; will-change: transform;
  background:
    radial-gradient(45% 50% at 25% 10%, rgba(242,178,62,.18), transparent 70%),
    radial-gradient(35% 40% at 85% 30%, rgba(79,209,139,.07), transparent 70%);
}
.hero-grid {
  position: absolute; inset: 0; pointer-events: none; opacity: .35;
  background:
    linear-gradient(var(--line) 1px, transparent 1px) 0 0/48px 48px,
    linear-gradient(90deg, var(--line) 1px, transparent 1px) 0 0/48px 48px;
  mask-image: radial-gradient(70% 70% at 50% 30%, #000 30%, transparent 100%);
  -webkit-mask-image: radial-gradient(70% 70% at 50% 30%, #000 30%, transparent 100%);
}
.hero .wrap { position: relative; display: grid; grid-template-columns: 1.05fr .95fr; gap: 3rem; align-items: center; }
.hero-copy { display: grid; gap: 1.5rem; }
.hero h1 { max-width: 15ch; }
.hero h1 em { font-style: normal; color: var(--accent); }
.hero .lede { max-width: 560px; }
.hero-actions { display: flex; gap: .75rem; flex-wrap: wrap; }
.hero-meta { display: flex; gap: 1.25rem; flex-wrap: wrap; color: var(--muted); font-size: .86rem; }
.hero-meta span { display: inline-flex; align-items: center; gap: .4rem; }
.hero-meta i { width: 6px; height: 6px; border-radius: 50%; background: var(--good); }
.cmd-bar { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: .75rem; background: #07080b; border: 1px solid var(--line-strong); border-radius: 10px; padding: .55rem .6rem .55rem .9rem; font-size: .85rem; max-width: 640px; }
.cmd-bar .lbl { color: var(--muted); white-space: nowrap; }
.cmd-bar code { color: var(--accent-strong); font-size: .82rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
@media (max-width: 960px) { .hero .wrap { grid-template-columns: 1fr; } .hero h1 { max-width: none; } }

/* Hero visual: animated data hall --------------------------------------- */
.hall { position: relative; border: 1px solid var(--line-strong); border-radius: var(--radius-lg); background: var(--bg-2); overflow: hidden;
  box-shadow: 0 40px 100px -30px rgba(0,0,0,.85); }
.hall-bar { display: flex; align-items: center; justify-content: space-between; padding: .6rem .9rem; border-bottom: 1px solid var(--line); background: var(--bg-3); font-size: .75rem; color: var(--muted); font-family: var(--mono); }
.hall-bar b { color: var(--text); font-weight: 500; }
.hall-bar .live { display: inline-flex; align-items: center; gap: .4rem; color: var(--good); }
.hall-bar .live::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--good); animation: pulse 1.6s infinite; }
.hall-svg { display: block; width: 100%; height: auto; }
.hall-svg .rack { fill: var(--bg-4); stroke: var(--line-strong); stroke-width: .6; }
.hall-svg .rack.on { fill: rgba(242,178,62,.55); stroke: var(--accent); animation: rackon 4.5s var(--ease) infinite; }
.hall-svg .rack.warm { fill: rgba(255,122,89,.55); stroke: var(--warn); animation: rackon 3s var(--ease) infinite; }
.hall-svg .row-label { fill: #8a92a6; font-family: var(--mono); font-size: 6px; }
.hall-svg .crac { fill: var(--bg-3); stroke: var(--line-strong); stroke-width: .6; }
.hall-svg .crac-fan { fill: none; stroke: var(--good); stroke-width: .8; transform-origin: center; transform-box: fill-box; animation: spin 3s linear infinite; }
.hall-scan { position: absolute; left: 0; right: 0; top: 0; height: 2px; background: linear-gradient(90deg, transparent, var(--accent), transparent); opacity: .8; animation: scan 5s var(--ease) infinite; pointer-events: none; }
.hall-hud { padding: .25rem 1rem 1rem; display: grid; grid-template-columns: repeat(3, 1fr); gap: .6rem; }
.hud { background: rgba(10,11,14,.85); backdrop-filter: blur(6px); border: 1px solid var(--line-strong); border-radius: 10px; padding: .55rem .75rem; }
.hud .k { font-size: .66rem; text-transform: uppercase; letter-spacing: .1em; color: var(--muted); }
.hud .v { font-family: var(--font-display); font-size: 1.15rem; font-weight: 700; letter-spacing: -.02em; font-variant-numeric: tabular-nums; }
.hud .v small { font-size: .7rem; color: var(--muted); font-weight: 500; margin-left: .2rem; }
.hud .v.good { color: var(--good); }
.hud-progress { grid-column: 1 / -1; display: grid; grid-template-columns: auto 1fr auto; gap: .6rem; align-items: center; font-size: .72rem; color: var(--text-2); }
.hud-progress .bar { height: 6px; border-radius: 999px; background: var(--bg-4); overflow: hidden; }
.hud-progress .bar i { display: block; height: 100%; width: 0; background: var(--accent); border-radius: 999px; transition: width 1.4s var(--ease); transform: none; }
@media (max-width: 500px) { .hall-hud { grid-template-columns: 1fr 1fr; } }

/* Marquee ---------------------------------------------------------------- */
.proof { padding: 2.25rem 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--bg-2); }
.proof p { text-align: center; color: var(--muted); font-size: .78rem; letter-spacing: .1em; text-transform: uppercase; margin-bottom: 1.25rem; }
.marquee { overflow: hidden; mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent); -webkit-mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent); }
.marquee-track { display: flex; gap: 3rem; width: max-content; animation: marquee 40s linear infinite; }
.marquee:hover .marquee-track { animation-play-state: paused; }
.marquee-track span { font-family: var(--font-display); font-weight: 600; color: var(--text-2); opacity: .7; white-space: nowrap; font-size: 1rem; display: inline-flex; align-items: center; gap: .6rem; }
.marquee-track span::before { content: ""; width: 8px; height: 8px; border-radius: 2px; background: var(--line-strong); }

/* Product showcase tabs -------------------------------------------------- */
.tabs { display: inline-flex; gap: .25rem; background: var(--bg-2); border: 1px solid var(--line); border-radius: 999px; padding: .3rem; flex-wrap: wrap; }
.tabs button { border: 0; background: transparent; color: var(--text-2); font: inherit; font-weight: 600; font-size: .9rem; padding: .5rem 1rem; border-radius: 999px; cursor: pointer; transition: background .15s, color .15s; }
.tabs button[aria-selected="true"] { background: var(--accent); color: var(--accent-ink); }
.tabs button:hover:not([aria-selected="true"]) { background: var(--bg-4); color: var(--text); }
.tab-panels { margin-top: 2rem; }
.tab-panel { display: none; animation: fadeup .45s var(--ease); }
.tab-panel.active { display: grid; grid-template-columns: 1fr 1.4fr; gap: 2.5rem; align-items: center; }
.tab-panel .copy-col { display: grid; gap: 1rem; }
.tab-panel ul { list-style: none; margin: 0; padding: 0; display: grid; gap: .6rem; color: var(--text-2); font-size: .95rem; }
.tab-panel li { display: flex; gap: .6rem; }
.tab-panel li::before { content: "\2713"; color: var(--good); font-weight: 700; flex: none; }
@media (max-width: 900px) { .tab-panel.active { grid-template-columns: 1fr; } }

/* App mock (generic) ----------------------------------------------------- */
.mock { border: 1px solid var(--line-strong); border-radius: var(--radius-lg); background: var(--bg-2); overflow: hidden; font-size: .8rem; box-shadow: 0 30px 80px -30px rgba(0,0,0,.8); }
.mock-bar { display: flex; align-items: center; gap: .5rem; padding: .55rem .9rem; border-bottom: 1px solid var(--line); background: var(--bg-3); }
.mock-bar i { width: 10px; height: 10px; border-radius: 50%; background: var(--line-strong); }
.mock-bar .title { margin-left: .5rem; color: var(--muted); font-family: var(--mono); font-size: .74rem; }
.mock-body { padding: 1rem; display: grid; gap: .8rem; }
.mock-title { display: flex; justify-content: space-between; align-items: center; font-weight: 600; }
.mock-title small { color: var(--muted); font-weight: 400; }
.rows { display: grid; gap: .45rem; }
.row { display: grid; grid-template-columns: 1.2fr 3fr auto; gap: .75rem; align-items: center; font-size: .78rem; color: var(--text-2); }
.row b { color: var(--text); font-weight: 500; }
.bar { height: 8px; border-radius: 999px; background: var(--bg-4); overflow: hidden; }
.bar i { display: block; height: 100%; width: var(--w, 50%); background: var(--accent); border-radius: 999px; transform: scaleX(0); transform-origin: left; transition: transform 1.2s var(--ease); }
.in .bar i, .tab-panel.active .bar i { transform: scaleX(1); }
.bar i.good { background: var(--good); }
.bar i.warn { background: var(--warn); }
.bar i.dim { background: var(--line-strong); }
.status { display: inline-block; padding: .12rem .5rem; border-radius: 999px; font-size: .7rem; font-weight: 600; background: var(--bg-4); color: var(--text-2); }
.status.ok { background: rgba(79,209,139,.15); color: var(--good); }
.status.warn { background: rgba(255,122,89,.15); color: var(--warn); }
.status.acc { background: rgba(242,178,62,.15); color: var(--accent); }
.mock table { width: 100%; border-collapse: collapse; font-size: .76rem; }
.mock th, .mock td { text-align: left; padding: .45rem .5rem; border-bottom: 1px solid var(--line); color: var(--text-2); }
.mock th { color: var(--muted); font-weight: 600; font-size: .66rem; text-transform: uppercase; letter-spacing: .08em; }
.mock td:first-child { color: var(--text); }
.tree { display: grid; gap: .5rem; font-family: var(--mono); font-size: .74rem; color: var(--text-2); }
.tree .n { display: flex; justify-content: space-between; padding: .4rem .6rem; border: 1px solid var(--line); border-radius: 6px; background: var(--bg-3); }
.tree .n.l1 { margin-left: 1rem; } .tree .n.l2 { margin-left: 2rem; }
.tree .n b { color: var(--accent); font-weight: 500; }
.msg { display: grid; gap: .25rem; max-width: 92%; }
.msg .who { font-size: .66rem; text-transform: uppercase; letter-spacing: .1em; color: var(--muted); }
.msg .bubble { background: var(--bg-3); border: 1px solid var(--line); border-radius: 10px; padding: .6rem .8rem; color: var(--text-2); line-height: 1.5; }
.msg.me { justify-self: end; } .msg.me .bubble { background: var(--bg-4); color: var(--text); }
.tool-call { display: flex; gap: .5rem; align-items: center; font-family: var(--mono); font-size: .7rem; color: var(--muted); padding: .35rem .6rem; border: 1px dashed var(--line-strong); border-radius: 8px; width: fit-content; }
.tool-call b { color: var(--good); font-weight: 600; }
.alarm { display: grid; grid-template-columns: auto 1fr auto; gap: .6rem; align-items: center; padding: .5rem .6rem; border: 1px solid var(--line); border-radius: 8px; font-size: .76rem; color: var(--text-2); }
.alarm i { width: 8px; height: 8px; border-radius: 50%; background: var(--warn); }
.alarm i.ok { background: var(--good); } .alarm i.acc { background: var(--accent); }
.alarm b { color: var(--text); font-weight: 500; }

/* Cards ------------------------------------------------------------------ */
.card {
  background: var(--bg-2); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.5rem; display: grid; gap: .75rem; align-content: start;
  transition: border-color .2s, transform .2s;
}
.card:hover { border-color: var(--line-strong); transform: translateY(-2px); }
.card .icon { width: 40px; height: 40px; border-radius: 10px; background: var(--bg-4); display: grid; place-items: center; color: var(--accent); }
.card .icon svg { width: 20px; height: 20px; }
.card p { color: var(--text-2); font-size: .95rem; }
.card .num { font-family: var(--mono); font-size: .75rem; color: var(--accent); letter-spacing: .1em; }
.card-link { color: var(--accent); font-size: .9rem; font-weight: 600; }
.card-link::after { content: " \2192"; }
.section.soft .card { background: var(--bg); }

/* Split section ---------------------------------------------------------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center; }
.split .lede { max-width: none; }
.split .copy-col { display: grid; gap: 1.25rem; }
.split ul { margin: 0; padding: 0; list-style: none; display: grid; gap: .8rem; }
.split li { display: flex; gap: .75rem; color: var(--text-2); }
.split li::before { content: "\2713"; flex: none; width: 20px; height: 20px; border-radius: 50%; background: rgba(79,209,139,.15); color: var(--good); font-size: .75rem; font-weight: 700; display: grid; place-items: center; margin-top: 3px; }
@media (max-width: 900px) { .split { grid-template-columns: 1fr; gap: 2.5rem; } }

/* Terminal / operating report ------------------------------------------- */
.terminal { background: #07080b; border: 1px solid var(--line-strong); border-radius: var(--radius); overflow: hidden; font-family: var(--mono); font-size: .84rem; }
.terminal-bar { display: flex; align-items: center; justify-content: space-between; padding: .5rem .9rem; background: var(--bg-3); border-bottom: 1px solid var(--line); color: var(--muted); font-size: .75rem; }
.terminal pre { margin: 0; padding: 1rem 1.1rem; overflow-x: auto; color: var(--text-2); line-height: 1.7; white-space: pre-wrap; word-break: break-word; font-size: .8rem; }
.terminal .c { color: var(--muted); }
.terminal .k { color: var(--accent); }
.terminal .g { color: var(--good); }
.terminal .w { color: var(--warn); }
.terminal .line { display: block; opacity: 0; transform: translateY(4px); transition: opacity .3s, transform .3s; }
.terminal .line.show { opacity: 1; transform: none; }
.terminal .cursor { display: inline-block; width: .6em; height: 1em; background: var(--accent); vertical-align: -.15em; animation: blink 1s steps(2) infinite; }
.copy { background: none; border: 1px solid var(--line-strong); border-radius: 6px; color: var(--text-2); font: inherit; padding: .2rem .55rem; cursor: pointer; }
.copy:hover { color: var(--text); }
.report-foot { display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; padding: .7rem 1.1rem; border-top: 1px solid var(--line); font-size: .75rem; color: var(--muted); }
.report-foot b { color: var(--text); font-weight: 500; }

/* Stats & counters ------------------------------------------------------- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.25rem; }
.stat { background: var(--bg-2); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.5rem; }
.stat .n { font-family: var(--font-display); font-size: 2.6rem; font-weight: 700; letter-spacing: -.03em; line-height: 1; font-variant-numeric: tabular-nums; }
.stat .n.accent { color: var(--accent); }
.stat .l { color: var(--text-2); margin-top: .5rem; font-size: .95rem; }
.stat .s { color: var(--muted); font-size: .8rem; margin-top: .35rem; }
@media (max-width: 900px) { .stats { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .stats { grid-template-columns: 1fr; } }

/* Process (sticky scroll) ------------------------------------------------ */
.process { display: grid; grid-template-columns: 1fr 1.2fr; gap: 4rem; align-items: start; }
.process-sticky { position: sticky; top: 100px; display: grid; gap: 1.25rem; }
.process-steps { display: grid; gap: 1.25rem; }
.step { border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 1.75rem; background: var(--bg-2); display: grid; gap: .75rem; opacity: .45; transform: scale(.985); transition: opacity .4s var(--ease), transform .4s var(--ease), border-color .4s; }
.step.active { opacity: 1; transform: none; border-color: var(--accent); }
.step .num { font-family: var(--mono); color: var(--accent); font-size: .8rem; letter-spacing: .1em; }
.step p { color: var(--text-2); }
.step .meta { display: flex; gap: 1rem; flex-wrap: wrap; font-size: .8rem; color: var(--muted); }
.step .meta b { color: var(--text); font-weight: 500; }
.process-dots { display: flex; gap: .5rem; }
.process-dots i { width: 28px; height: 4px; border-radius: 999px; background: var(--line-strong); transition: background .3s; }
.process-dots i.active { background: var(--accent); }
.step-label { font-family: var(--mono); font-size: .8rem; color: var(--muted); }
@media (max-width: 900px) { .process { grid-template-columns: 1fr; } .process-sticky { position: static; } .step { opacity: 1; transform: none; } }

/* Platform band ---------------------------------------------------------- */
.band { border: 1px solid var(--line-strong); border-radius: var(--radius-lg); padding: 3rem; display: grid; grid-template-columns: 1fr 1.4fr; gap: 3rem; align-items: center;
  background: radial-gradient(60% 80% at 0% 0%, rgba(242,178,62,.12), transparent 70%), var(--bg-2); }
.band .copy-col { display: grid; gap: 1.25rem; }
.band .mini { display: grid; grid-template-columns: repeat(3, 1fr); gap: .75rem; }
.band .mini div { background: var(--bg); border: 1px solid var(--line); border-radius: 10px; padding: .9rem; display: grid; gap: .3rem; }
.band .mini b { font-size: .92rem; }
.band .mini span { font-size: .8rem; color: var(--muted); line-height: 1.4; }
@media (max-width: 900px) { .band { grid-template-columns: 1fr; padding: 2rem; } .band .mini { grid-template-columns: 1fr 1fr; } }

/* Use cases -------------------------------------------------------------- */
.usecase { border-left: 2px solid var(--line-strong); padding-left: 1.25rem; display: grid; gap: .5rem; align-content: start; transition: border-color .2s; }
.usecase:hover { border-color: var(--accent); }
.usecase p { color: var(--text-2); font-size: .95rem; }

/* Work / case studies ---------------------------------------------------- */
.case { background: var(--bg-2); border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden; display: grid; grid-template-rows: auto 1fr; transition: border-color .2s, transform .2s; }
.case:hover { border-color: var(--line-strong); transform: translateY(-2px); }
.case-visual { height: 150px; background: linear-gradient(135deg, var(--bg-3), var(--bg-4)); position: relative; overflow: hidden; }
.case-visual::after { content: ""; position: absolute; inset: 0; background: linear-gradient(var(--line) 1px, transparent 1px) 0 0/20px 20px, linear-gradient(90deg, var(--line) 1px, transparent 1px) 0 0/20px 20px; opacity: .6; }
.case-visual .tag { position: absolute; top: 1rem; left: 1rem; z-index: 1; font-size: .7rem; letter-spacing: .1em; text-transform: uppercase; color: var(--accent); font-weight: 600; }
.case-visual .big { position: absolute; bottom: .75rem; left: 1rem; z-index: 1; font-family: var(--font-display); font-size: 2.2rem; font-weight: 700; letter-spacing: -.03em; }
.case-visual .big small { font-size: .85rem; color: var(--text-2); font-weight: 500; letter-spacing: 0; margin-left: .35rem; }
.case-body { padding: 1.5rem; display: grid; gap: .6rem; align-content: start; }
.case-body p { color: var(--text-2); font-size: .95rem; }
.case-body .chips { display: flex; gap: .4rem; flex-wrap: wrap; margin-top: .25rem; }
.chip-sm { font-size: .72rem; padding: .15rem .55rem; border-radius: 999px; background: var(--bg-4); color: var(--text-2); }

/* Testimonials ----------------------------------------------------------- */
.quote { background: var(--bg-2); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.5rem; display: grid; gap: 1rem; align-content: space-between; }
.quote blockquote { margin: 0; color: var(--text-2); font-size: .98rem; line-height: 1.65; }
.quote footer { display: flex; align-items: center; gap: .75rem; font-size: .85rem; }
.quote .avatar { width: 36px; height: 36px; border-radius: 50%; background: linear-gradient(135deg, var(--accent), #8b5cf6); display: grid; place-items: center; font-weight: 700; color: var(--accent-ink); font-size: .8rem; flex: none; }
.quote footer b { display: block; color: var(--text); font-weight: 600; }
.quote footer span { color: var(--muted); }

/* CTA band --------------------------------------------------------------- */
.cta-band { margin: 5rem auto; border-radius: var(--radius-lg); border: 1px solid var(--line-strong); padding: 3.5rem 2rem; text-align: center; display: grid; gap: 1.25rem; justify-items: center;
  background: radial-gradient(70% 100% at 50% 0%, rgba(242,178,62,.14), transparent 70%), var(--bg-2); }
.cta-band .lede { margin-inline: auto; }
.cta-band .hero-actions { margin-top: .5rem; justify-content: center; }

/* Footer ----------------------------------------------------------------- */
.site-footer { border-top: 1px solid var(--line); padding: 4rem 0 2rem; color: var(--text-2); font-size: .9rem; }
.footer-grid { display: grid; grid-template-columns: 1.6fr repeat(4, 1fr); gap: 2rem; }
.footer-grid h4 { font-size: .8rem; text-transform: uppercase; letter-spacing: .1em; color: var(--muted); font-family: var(--font); font-weight: 600; margin-bottom: 1rem; }
.footer-grid ul { list-style: none; margin: 0; padding: 0; display: grid; gap: .5rem; }
.footer-grid a:hover { color: var(--text); }
.footer-brand p { color: var(--muted); max-width: 30ch; margin-top: .75rem; }
.footer-bottom { display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; margin-top: 3rem; padding-top: 1.5rem; border-top: 1px solid var(--line); color: var(--muted); font-size: .82rem; }
.footer-bottom nav { display: flex; gap: 1.25rem; }
@media (max-width: 900px) { .footer-grid { grid-template-columns: 1fr 1fr; } .footer-brand { grid-column: 1 / -1; } }

/* Page hero (inner pages) ------------------------------------------------ */
.page-hero { padding: 5rem 0 3rem; display: grid; gap: 1rem; justify-items: center; text-align: center; }
.page-hero .lede { margin-inline: auto; }

/* Engagement models ------------------------------------------------------ */
.billing-toggle { display: inline-flex; align-items: center; gap: .25rem; background: var(--bg-2); border: 1px solid var(--line); border-radius: 999px; padding: .3rem; }
.billing-toggle button { border: 0; background: transparent; color: var(--text-2); font: inherit; font-weight: 600; padding: .45rem 1rem; border-radius: 999px; cursor: pointer; }
.billing-toggle button[aria-pressed="true"] { background: var(--bg-4); color: var(--text); }
.billing-toggle .save { font-size: .75rem; color: var(--good); font-weight: 600; margin-left: .35rem; }
.plans { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.25rem; align-items: stretch; }
.plan { position: relative; background: var(--bg-2); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 1.75rem; display: grid; gap: 1.25rem; align-content: start; grid-template-rows: auto auto auto 1fr auto; }
.plan.featured { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent) inset; }
.plan .badge { position: absolute; top: -12px; left: 1.5rem; background: var(--accent); color: var(--accent-ink); font-size: .72rem; font-weight: 700; padding: .25rem .6rem; border-radius: 999px; letter-spacing: .05em; text-transform: uppercase; }
.plan h3 { font-size: 1.25rem; }
.plan .tag { color: var(--muted); font-size: .88rem; min-height: 2.6em; }
.plan .price { font-family: var(--font-display); font-size: 2.2rem; font-weight: 700; letter-spacing: -.03em; line-height: 1; }
.plan .price small { font-size: 1rem; color: var(--muted); font-weight: 500; letter-spacing: 0; }
.plan .price-note { color: var(--muted); font-size: .82rem; margin-top: .35rem; min-height: 1.2em; }
.plan ul { list-style: none; margin: 0; padding: 0; display: grid; gap: .6rem; font-size: .92rem; color: var(--text-2); align-content: start; }
.plan li { display: flex; gap: .6rem; }
.plan li::before { content: "\2713"; color: var(--good); font-weight: 700; flex: none; }
@media (max-width: 1100px) { .plans { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .plans { grid-template-columns: 1fr; } }
.seat-calc { background: var(--bg-2); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.5rem; display: grid; grid-template-columns: 1fr auto; gap: 1.5rem; align-items: center; }
.seat-calc label { display: block; font-weight: 600; margin-bottom: .5rem; }
.seat-calc input[type="range"] { width: 100%; accent-color: var(--accent); }
.seat-calc .total { text-align: right; min-width: 220px; }
.seat-calc .total .n { font-family: var(--font-display); font-size: 2rem; font-weight: 700; }
.seat-calc .total .s { color: var(--muted); font-size: .82rem; }
@media (max-width: 600px) { .seat-calc { grid-template-columns: 1fr; } .seat-calc .total { text-align: left; } }
.compare { width: 100%; border-collapse: collapse; font-size: .9rem; min-width: 720px; }
.compare th, .compare td { padding: .85rem 1rem; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.compare th { color: var(--muted); font-weight: 600; font-size: .8rem; text-transform: uppercase; letter-spacing: .08em; }
.compare td:first-child { color: var(--text); font-weight: 500; }
.compare td { color: var(--text-2); }
.compare .yes { color: var(--good); }
.compare .no { color: var(--muted); }
.table-scroll { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); background: var(--bg-2); }

/* FAQ -------------------------------------------------------------------- */
.faq { display: grid; gap: .75rem; max-width: 800px; margin-inline: auto; }
.faq details { background: var(--bg-2); border: 1px solid var(--line); border-radius: var(--radius); padding: 0 1.25rem; }
.faq summary { cursor: pointer; padding: 1rem 0; font-weight: 600; list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 1rem; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--muted); font-size: 1.3rem; }
.faq details[open] summary::after { content: "\2212"; }
.faq details p { padding: 0 0 1.1rem; color: var(--text-2); }

/* Systems catalogue (tiles) ---------------------------------------------- */
.filter-row { display: flex; gap: .5rem; flex-wrap: wrap; justify-content: center; margin-bottom: 2rem; }
.chip { border: 1px solid var(--line-strong); background: var(--bg-2); color: var(--text-2); border-radius: 999px; padding: .4rem .9rem; font: inherit; font-size: .85rem; cursor: pointer; }
.chip[aria-pressed="true"] { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); font-weight: 600; }
.search { width: min(480px, 100%); margin: 0 auto 1.25rem; display: block; background: var(--bg-2); border: 1px solid var(--line-strong); border-radius: 10px; color: var(--text); padding: .75rem 1rem; font: inherit; }
.search:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
.tiles { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; }
.tile { background: var(--bg-2); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.1rem; display: grid; grid-template-columns: 40px 1fr; gap: .8rem; align-items: start; }
.tile .glyph { width: 40px; height: 40px; border-radius: 10px; display: grid; place-items: center; font-family: var(--font-display); font-weight: 700; color: var(--text); background: var(--bg-4); font-size: .85rem; }
.tile b { display: block; font-weight: 600; }
.tile small { color: var(--muted); display: block; font-size: .82rem; line-height: 1.45; }
.tile .cat { font-size: .68rem; text-transform: uppercase; letter-spacing: .1em; color: var(--accent); margin-bottom: .2rem; display: block; }
@media (max-width: 1000px) { .tiles { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .tiles { grid-template-columns: 1fr; } }
.empty { text-align: center; color: var(--muted); padding: 3rem 0; }
.pill { display: inline-block; padding: .15rem .55rem; border-radius: 999px; font-size: .72rem; font-weight: 600; background: var(--bg-4); color: var(--text-2); }
.pill.local { background: rgba(79,209,139,.15); color: var(--good); }
.pill.sub { background: rgba(242,178,62,.15); color: var(--accent); }

/* Articles --------------------------------------------------------------- */
.article-card { display: grid; gap: .6rem; padding: 1.5rem; border: 1px solid var(--line); border-radius: var(--radius); background: var(--bg-2); align-content: start; transition: border-color .2s, transform .2s; }
.article-card:hover { border-color: var(--line-strong); transform: translateY(-2px); }
.article-card .meta { color: var(--muted); font-size: .8rem; display: flex; gap: .75rem; }
.article-card h3 { font-size: 1.2rem; }
.article-card p { color: var(--text-2); font-size: .95rem; }

/* Team ------------------------------------------------------------------- */
.person { display: grid; gap: .5rem; }
.person .avatar { width: 64px; height: 64px; border-radius: 16px; background: linear-gradient(135deg, var(--bg-4), var(--line-strong)); display: grid; place-items: center; font-family: var(--font-display); font-weight: 700; color: var(--accent); font-size: 1.1rem; }
.person b { display: block; }
.person span { color: var(--muted); font-size: .88rem; }

/* Forms ------------------------------------------------------------------ */
.form { display: grid; gap: 1rem; }
.form label { display: grid; gap: .4rem; font-size: .9rem; font-weight: 600; }
.form input, .form textarea, .form select { background: var(--bg-2); border: 1px solid var(--line-strong); border-radius: 10px; color: var(--text); padding: .7rem .9rem; font: inherit; }
.form input:focus, .form textarea:focus, .form select:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
.form-note { color: var(--muted); font-size: .85rem; }
.form-inline { display: grid; grid-template-columns: 1fr auto; gap: .5rem; width: min(480px, 100%); }
@media (max-width: 500px) { .form-inline { grid-template-columns: 1fr; } }

/* Docs-style body (platform page) --------------------------------------- */
.docs { display: grid; grid-template-columns: 240px 1fr; gap: 3rem; padding: 3rem 0 5rem; }
.docs-nav { position: sticky; top: 84px; align-self: start; display: grid; gap: .25rem; font-size: .92rem; }
.docs-nav h4 { font-size: .75rem; text-transform: uppercase; letter-spacing: .1em; color: var(--muted); font-family: var(--font); margin: 1rem 0 .4rem; }
.docs-nav a { padding: .35rem .6rem; border-radius: 6px; color: var(--text-2); }
.docs-nav a:hover, .docs-nav a.active { background: var(--bg-3); color: var(--text); }
.docs-body { max-width: 760px; display: grid; gap: 1rem; min-width: 0; }
.docs-body h2 { font-size: 1.7rem; margin-top: 2.5rem; padding-top: 2.5rem; border-top: 1px solid var(--line); }
.docs-body h2:first-of-type { margin-top: 0; padding-top: 0; border-top: 0; }
.docs-body h3 { margin-top: 1.25rem; }
.docs-body p, .docs-body li { color: var(--text-2); }
.docs-body ul, .docs-body ol { padding-left: 1.25rem; margin: 0; display: grid; gap: .4rem; }
.docs-body code:not(pre code) { background: var(--bg-3); border: 1px solid var(--line); border-radius: 5px; padding: .1rem .35rem; font-size: .85em; color: var(--accent-strong); }
.docs-body pre { background: #07080b; border: 1px solid var(--line-strong); border-radius: 10px; padding: 1rem 1.1rem; overflow-x: auto; font-size: .85rem; line-height: 1.65; color: var(--text-2); margin: 0; }
.docs-body table { width: 100%; border-collapse: collapse; font-size: .9rem; }
.docs-body th, .docs-body td { text-align: left; padding: .6rem .75rem; border-bottom: 1px solid var(--line); }
.docs-body th { color: var(--muted); font-size: .78rem; text-transform: uppercase; letter-spacing: .08em; }
.callout { border-left: 3px solid var(--accent); background: var(--bg-2); padding: .9rem 1.1rem; border-radius: 0 10px 10px 0; color: var(--text-2); }
@media (max-width: 900px) { .docs { grid-template-columns: 1fr; } .docs-nav { position: static; } }

/* Utilities -------------------------------------------------------------- */
.mt-1 { margin-top: 1rem; } .mt-2 { margin-top: 2rem; } .mt-3 { margin-top: 3rem; }
.mb-2 { margin-bottom: 2rem; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* Which-model-fits selector ---------------------------------------------- */
.fit { display: grid; grid-template-columns: 1fr 1.2fr; gap: 2rem; background: var(--bg-2); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 2rem; }
.fit-inputs { display: grid; gap: 1rem; align-content: start; }
.fit-inputs label { display: grid; gap: .4rem; font-size: .9rem; font-weight: 600; }
.fit-inputs select { background: var(--bg); border: 1px solid var(--line-strong); border-radius: 10px; color: var(--text); padding: .7rem .9rem; font: inherit; }
.fit-inputs select:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
.fit-out { display: grid; gap: .75rem; align-content: start; border-left: 1px solid var(--line); padding-left: 2rem; }
.fit-out h3 { font-size: 1.5rem; }
.fit-out p { color: var(--text-2); }
@media (max-width: 800px) { .fit { grid-template-columns: 1fr; padding: 1.5rem; } .fit-out { border-left: 0; padding-left: 0; border-top: 1px solid var(--line); padding-top: 1.5rem; } }

/* Buy / build comparison ------------------------------------------------- */
.split .table-scroll { min-width: 0; }
.compare.buy-build { min-width: 0; font-size: .86rem; }
.compare.buy-build th, .compare.buy-build td { padding: .7rem .75rem; }

/* Lists inside cards (good fit / not a fit) ------------------------------ */
.card ul { margin: 0; padding-left: 1.1rem; color: var(--text-2); font-size: .95rem; display: grid; gap: .45rem; }
.card ul li::marker { color: var(--accent); }

/* Sprint timeline -------------------------------------------------------- */
.timeline { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; position: relative; }
.timeline::before { content: ""; position: absolute; left: 0; right: 0; top: 14px; height: 2px; background: var(--line-strong); }
.tl { position: relative; padding-top: 2.25rem; display: grid; gap: .6rem; align-content: start; }
.tl::before { content: ""; position: absolute; top: 8px; left: 0; width: 14px; height: 14px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 4px var(--bg-2); }
.tl .days { font-family: var(--mono); font-size: .75rem; color: var(--accent); letter-spacing: .1em; }
.tl h3 { font-size: 1.3rem; }
.tl ul { margin: 0; padding-left: 1.1rem; color: var(--text-2); display: grid; gap: .4rem; font-size: .95rem; }
.tl .out { margin-top: .5rem; font-size: .88rem; color: var(--muted); }
.tl .out b { color: var(--text); font-weight: 500; }
@media (max-width: 800px) { .timeline { grid-template-columns: 1fr; } .timeline::before { display: none; } .tl { padding-top: 0; padding-left: 1.75rem; } .tl::before { top: 6px; } }

/* Guarantee -------------------------------------------------------------- */
.guarantee { border: 1px solid var(--accent); border-radius: var(--radius-lg); padding: 2.5rem; display: grid; grid-template-columns: auto 1fr; gap: 2rem; align-items: start;
  background: radial-gradient(50% 100% at 0% 50%, rgba(242,178,62,.12), transparent 70%), var(--bg); }
.guarantee .seal { width: 76px; height: 76px; border-radius: 50%; border: 2px solid var(--accent); display: grid; place-items: center; color: var(--accent); font-family: var(--font-display); font-weight: 700; font-size: .85rem; text-align: center; line-height: 1.1; }
.guarantee h2 { margin: .5rem 0; }
.guarantee ul { margin: .75rem 0 0; padding-left: 1.1rem; color: var(--text-2); display: grid; gap: .5rem; }
@media (max-width: 600px) { .guarantee { grid-template-columns: 1fr; padding: 1.5rem; } }

/* Roadmap mock ----------------------------------------------------------- */
.gantt { display: grid; gap: .45rem; font-size: .76rem; }
.gantt .g { display: grid; grid-template-columns: 1.4fr 3fr; gap: .6rem; align-items: center; color: var(--text-2); }
.gantt .g b { color: var(--text); font-weight: 500; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.gantt .track { position: relative; height: 12px; background: var(--bg-4); border-radius: 999px; }
.gantt .track i { position: absolute; top: 0; height: 100%; border-radius: 999px; background: var(--accent); left: var(--s); width: var(--w); }
.gantt .track i.dim { background: var(--line-strong); }
.gantt .months { display: grid; grid-template-columns: repeat(6, 1fr); font-size: .64rem; color: var(--muted); letter-spacing: .08em; }

/* Service blocks --------------------------------------------------------- */
.service { display: grid; grid-template-columns: 1.15fr .85fr; gap: 3rem; align-items: start; padding: 3.5rem 0; border-top: 1px solid var(--line); }
.service .copy-col { display: grid; gap: 1rem; }
.service .copy-col h3 { margin-top: .5rem; }
.service ul { margin: 0; padding-left: 1.1rem; color: var(--text-2); display: grid; gap: .45rem; }
.service ul li::marker { color: var(--accent); }
.glance { background: var(--bg-2); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 1.5rem; display: grid; gap: 1rem; font-size: .92rem; position: sticky; top: 90px; }
.glance div { display: grid; gap: .25rem; }
.glance .k { font-size: .7rem; text-transform: uppercase; letter-spacing: .1em; color: var(--muted); }
.glance .v { color: var(--text-2); }
.glance .v.big { font-family: var(--font-display); font-size: 1.5rem; color: var(--text); font-weight: 700; letter-spacing: -.02em; line-height: 1.15; }
@media (max-width: 900px) { .service { grid-template-columns: 1fr; gap: 1.5rem; } .glance { position: static; } }

/* Three numbered steps --------------------------------------------------- */
.steps3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; counter-reset: s; }
.steps3 .card::before { counter-increment: s; content: "0" counter(s); font-family: var(--mono); color: var(--accent); font-size: .8rem; letter-spacing: .1em; }
@media (max-width: 800px) { .steps3 { grid-template-columns: 1fr; } }

/* Scheduler, honeypot, article pages -------------------------------------- */
.scheduler-card { background: var(--bg-2); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.25rem; display: grid; gap: .5rem; justify-items: start; }
.scheduler-card b { font-size: 1.05rem; }
.scheduler-card span:not(.eyebrow) { color: var(--text-2); font-size: .92rem; }
.scheduler iframe { width: 100%; min-height: 660px; border: 0; border-radius: var(--radius); background: var(--bg-2); }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }
.article-body { margin-inline: auto; padding: 3rem 0 4rem; }
.article-body h1 { font-size: clamp(1.9rem, 3.4vw, 2.6rem); }
.article-body .lede { max-width: none; }
.article-meta { display: flex; gap: .75rem; flex-wrap: wrap; color: var(--muted); font-size: .85rem; }
.article-meta a { color: var(--accent); font-weight: 600; }

/* Accessibility helpers -------------------------------------------------- */
.skip { position: absolute; left: 1rem; top: -100px; z-index: 100; background: var(--accent); color: var(--accent-ink); padding: .6rem 1rem; border-radius: 8px; font-weight: 600; }
.skip:focus { top: 1rem; }

/* Spec builder ----------------------------------------------------------- */
.spec { display: grid; grid-template-columns: 1.15fr .85fr; gap: 3rem; align-items: start; }
.spec-q { border: 0; margin: 0 0 2.5rem; padding: 0; }
.spec-q:last-child { margin-bottom: 0; }
.spec-q legend { display: flex; align-items: baseline; gap: .6rem; padding: 0; font-family: var(--font-display); font-size: 1.2rem; font-weight: 600; letter-spacing: -.02em; }
.spec-n { font-family: var(--mono); font-size: .78rem; font-weight: 400; color: var(--accent); letter-spacing: .1em; }
.spec-q .hint { color: var(--muted); font-size: .88rem; margin: .5rem 0 1rem; }
.chips { display: flex; flex-wrap: wrap; gap: .5rem; }
.spec-scale { display: grid; grid-template-columns: repeat(2, minmax(0, 180px)); gap: 1rem; }
.spec-scale label { display: grid; gap: .4rem; font-size: .9rem; font-weight: 600; }
.spec-scale input { background: var(--bg); border: 1px solid var(--line-strong); border-radius: 10px; color: var(--text); padding: .7rem .9rem; font: inherit; }
.spec-scale input:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
.spec-out { position: sticky; top: 84px; background: var(--bg-2); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 1.75rem; display: grid; gap: 1rem; align-content: start; }
.spec-out h3 { font-size: 1.4rem; }
.spec-out > .muted { font-size: .9rem; margin: 0; }
.spec-sum { display: grid; gap: 1.1rem; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 1.25rem 0; }
.spec-sum > div { display: grid; gap: .3rem; }
.spec-sum .lbl { font-size: .7rem; text-transform: uppercase; letter-spacing: .09em; color: var(--muted); font-weight: 600; }
.spec-sum b { font-size: .98rem; }
.spec-sum .muted { font-size: .86rem; line-height: 1.6; }
.spec-sum ul { list-style: none; margin: 0; padding: 0; display: grid; gap: .35rem; font-size: .89rem; color: var(--text-2); }
.spec-sum li { display: flex; gap: .5rem; }
.spec-sum li::before { content: "\2192"; color: var(--accent); flex: none; }
.spec-out .form { gap: .75rem; }
@media (max-width: 900px) {
  .spec { grid-template-columns: 1fr; gap: 2.5rem; }
  .spec-out { position: static; }
}

/* Motion ----------------------------------------------------------------- */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s var(--ease), transform .7s var(--ease); transition-delay: var(--d, 0s); }
.reveal.in { opacity: 1; transform: none; }
.reveal-left { opacity: 0; transform: translateX(-24px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal-right { opacity: 0; transform: translateX(24px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal-left.in, .reveal-right.in { opacity: 1; transform: none; }
.stagger > * { opacity: 0; transform: translateY(18px); transition: opacity .6s var(--ease), transform .6s var(--ease); }
.stagger.in > * { opacity: 1; transform: none; }
.stagger.in > :nth-child(1) { transition-delay: .00s } .stagger.in > :nth-child(2) { transition-delay: .08s }
.stagger.in > :nth-child(3) { transition-delay: .16s } .stagger.in > :nth-child(4) { transition-delay: .24s }
.stagger.in > :nth-child(5) { transition-delay: .32s } .stagger.in > :nth-child(6) { transition-delay: .40s }
.stagger.in > :nth-child(7) { transition-delay: .48s } .stagger.in > :nth-child(8) { transition-delay: .56s }
.to-top { position: fixed; right: 1.25rem; bottom: 1.25rem; z-index: 40; width: 42px; height: 42px; border-radius: 50%; border: 1px solid var(--line-strong); background: var(--bg-3); color: var(--text); display: grid; place-items: center; cursor: pointer; opacity: 0; transform: translateY(10px); transition: opacity .2s, transform .2s; }
.to-top.show { opacity: 1; transform: none; }

@keyframes marquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: .35; } }
@keyframes blink { 50% { opacity: 0; } }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes scan { 0% { top: 0; opacity: 0; } 8% { opacity: .9; } 92% { opacity: .9; } 100% { top: 100%; opacity: 0; } }
@keyframes rackon { 0%, 100% { opacity: 1; } 50% { opacity: .55; } }
@keyframes fadeup { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal, .reveal-left, .reveal-right, .stagger > * { opacity: 1; transform: none; }
  .bar i { transform: none; }
  .step { opacity: 1; transform: none; }
  .terminal .line { opacity: 1; transform: none; }
}

/* No JavaScript ---------------------------------------------------------- */
/* The inline head script adds .js to <html> before first paint. Everything
   that starts hidden waiting for a script has to be visible when that script
   never runs, so each of those resting states is undone here. */
html:not(.js) .reveal,
html:not(.js) .reveal-left,
html:not(.js) .reveal-right,
html:not(.js) .stagger > *,
html:not(.js) .terminal .line,
html:not(.js) .step { opacity: 1; transform: none; }
html:not(.js) .bar i { transform: scaleX(1); }
html:not(.js) .terminal .cursor { display: none; }
html:not(.js) .tab-panel { display: grid; grid-template-columns: 1fr 1.4fr; gap: 2.5rem; align-items: center; }
@media (max-width: 900px) { html:not(.js) .tab-panel { grid-template-columns: 1fr; } }