/* Kottos AI — marketing site styles.
   Aesthetic: a market-data terminal for LLM latency. Dark, engineered, precise.
   Archivo (display, width axis) + IBM Plex Mono (data). Single gold accent
   (matches the logo), gold/red = ours/theirs. Draft for kottos.ai — lives in private/. */

:root {
  --bg: #17191c;          /* industrial charcoal page */
  --bg-1: #1f2226;        /* recessed panel */
  --bg-2: #262a30;        /* card */
  --bg-3: #2e333b;        /* raised */
  --line: #31363e;
  --line-2: #414852;
  --text: #e8e9ec;        /* softened off-white, a touch of silver */
  --muted: #a4a6a4;       /* neutral silver-gray */
  --faint: #6c6e6d;
  --accent: #e0b038;      /* logo gold — used surgically */
  --accent-2: #f2c94e;    /* brighter gold (hover) */
  --accent-ink: #1c1608;  /* dark ink on gold buttons */
  --glow: rgba(224, 176, 56, .55);
  --red: #ff5d5d;
  --amber: #f5b301;

  --display: "Archivo", "Archivo Expanded", ui-sans-serif, system-ui, sans-serif;
  --sans: "Archivo", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --maxw: 1140px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  /* industrial wall: neutral charcoal lit from top-center, darker toward the edges */
  background: radial-gradient(1300px 850px at 50% -6%, #262b31 0%, #1b1e22 46%, #131518 100%) fixed;
  background-color: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.65;
  font-feature-settings: "ss01", "cv01";
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

/* ── Atmosphere: fixed grid + accent glow + film grain ───────────────────── */
body::before {
  content: "";
  position: fixed; inset: 0; z-index: -2; pointer-events: none;
  background:
    radial-gradient(900px 520px at 70% -8%, rgba(224,176,56,.10), transparent 60%),
    radial-gradient(700px 700px at 12% 4%, rgba(185,192,205,.06), transparent 55%);
  -webkit-mask-image: linear-gradient(180deg, #000 0%, #000 60%, transparent 100%);
  mask-image: linear-gradient(180deg, #000 0%, #000 60%, transparent 100%);
  opacity: .5;
}
body::after {
  content: "";
  position: fixed; inset: 0; z-index: -1; pointer-events: none;
  /* rugged concrete surface lifted from the logo mockup wall (high-passed + mirror-tiled) */
  background: url("assets/concrete.png") repeat; background-size: 800px 800px;
  mix-blend-mode: overlay; opacity: .9;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-2); }
code, .mono { font-family: var(--mono); }
::selection { background: rgba(224,176,56,.26); color: #fff; }

/* ── Typography ──────────────────────────────────────────────────────────── */
h1, h2, h3 { color: var(--text); margin: 0 0 .5em; }
h1 {
  font-family: var(--display);
  font-weight: 800;
  font-stretch: 118%;
  font-size: clamp(2.5rem, 6.4vw, 5rem);
  line-height: .96;
  letter-spacing: -.03em;
  margin: 0 0 .34em;
}
h2 {
  font-family: var(--display);
  font-weight: 760;
  font-stretch: 110%;
  font-size: clamp(1.7rem, 3.4vw, 2.6rem);
  line-height: 1.05;
  letter-spacing: -.025em;
}
h3 { font-family: var(--sans); font-weight: 650; font-size: 1.18rem; line-height: 1.25; letter-spacing: -.01em; }
p { margin: 0 0 1em; color: var(--muted); }
strong { color: var(--text); font-weight: 600; }

.container { max-width: var(--maxw); margin: 0 auto; padding: 0 28px; position: relative; }
section { padding: 104px 0; border-top: 1px solid var(--line); position: relative; }
section::before {  /* hairline accent tick at each section start */
  content: ""; position: absolute; top: -1px; left: 28px; width: 46px; height: 2px;
  background: linear-gradient(90deg, var(--accent), transparent);
}

/* ── Nav ─────────────────────────────────────────────────────────────────── */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(23,25,28,.72);
  backdrop-filter: blur(12px) saturate(140%);
  -webkit-backdrop-filter: blur(12px) saturate(140%);
  border-bottom: 1px solid var(--line);
}
.nav .container { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand { display: inline-flex; align-items: center; gap: 9px; font-family: var(--mono); font-weight: 600; color: var(--text); font-size: 1.06rem; letter-spacing: -.02em; }
.brand-mark { width: 28px; height: 28px; display: block; flex: 0 0 auto; }
.brand .dot { color: var(--accent); }
.nav-links { display: flex; gap: 26px; align-items: center; }
.nav-links a { color: var(--muted); font-family: var(--mono); font-size: .82rem; letter-spacing: .01em; transition: color .15s; }
.nav-links a:not(.btn):hover { color: var(--text); }
.nav-links a:not(.btn) { position: relative; }
.nav-links a:not(.btn)::after {
  content: ""; position: absolute; left: 0; bottom: -6px; height: 1px; width: 0;
  background: var(--accent); transition: width .2s ease;
}
.nav-links a:not(.btn):hover::after { width: 100%; }

/* ── Ticker tape ─────────────────────────────────────────────────────────── */
.ticker {
  position: relative; overflow: hidden; white-space: nowrap;
  background: var(--bg-1); border-bottom: 1px solid var(--line);
  font-family: var(--mono); font-size: .78rem;
}
.ticker::before, .ticker::after {
  content: ""; position: absolute; top: 0; bottom: 0; width: 64px; z-index: 2; pointer-events: none;
}
.ticker::before { left: 0; background: linear-gradient(90deg, var(--bg-1), transparent); }
.ticker::after { right: 0; background: linear-gradient(270deg, var(--bg-1), transparent); }
.ticker-track { display: inline-block; padding: 9px 0; animation: marquee 46s linear infinite; will-change: transform; }
.ticker:hover .ticker-track { animation-play-state: paused; }
.tick { color: var(--muted); padding: 0 20px; }
.tick b { color: var(--text); font-weight: 600; }
.tick .v { color: var(--accent); }
.tick .v.dn { color: var(--red); }
.tick .sep { color: var(--line-2); padding: 0 2px; }
@keyframes marquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* ── Buttons ─────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--mono); font-size: .86rem; font-weight: 500; letter-spacing: -.01em;
  padding: 11px 19px; border-radius: 9px; border: 1px solid var(--line-2);
  color: var(--text); background: var(--bg-2);
  transition: transform .15s ease, border-color .15s, background .15s, box-shadow .2s;
}
.btn:hover { border-color: var(--accent); color: var(--text); transform: translateY(-1px); box-shadow: 0 6px 24px -12px var(--glow); }
.btn-primary { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); font-weight: 600; }
.btn-primary:hover { background: var(--accent-2); border-color: var(--accent-2); color: var(--accent-ink); box-shadow: 0 10px 34px -10px var(--glow); }
.btn-row { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 30px; }

/* ── Kicker (spec-sheet numbering) ───────────────────────────────────────── */
.kicker {
  font-family: var(--mono); font-size: .76rem; font-weight: 500;
  letter-spacing: .14em; text-transform: uppercase; color: var(--accent);
  display: inline-flex; align-items: center; gap: 10px; margin-bottom: 18px;
}
.kicker::before { content: ""; width: 22px; height: 1px; background: var(--accent); display: inline-block; }

/* ── Hero ────────────────────────────────────────────────────────────────── */
.hero { padding: clamp(64px, 11vw, 132px) 0 96px; border-top: none; }
.hero::before { display: none; }
.eyebrow {
  display: inline-block; font-family: var(--mono); color: var(--accent);
  font-size: .76rem; letter-spacing: .12em; text-transform: uppercase;
  padding: 6px 12px; border: 1px solid var(--line-2); border-radius: 100px;
  background: rgba(224,176,56,.05); margin-bottom: 26px;
}
.hero h1 { max-width: 16ch; }
.hero h1 .g { color: var(--accent); }
.hero .lede { font-size: clamp(1.05rem, 1.5vw, 1.28rem); color: var(--muted); max-width: 60ch; line-height: 1.55; }
.hero .lede strong { color: var(--text); }

/* Hero latency instrument: your sliver vs LiteLLM's full bar */
.latbar {
  margin-top: 40px; max-width: 620px;
  background: var(--bg-1); border: 1px solid var(--line);
  border-radius: 14px; padding: 18px 20px 20px;
  box-shadow: 0 20px 45px -18px rgba(0,0,0,.7), inset 0 1px 0 rgba(255,255,255,.05);
}
.latbar .lh { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 16px; }
.latbar .lh .t { font-family: var(--mono); font-size: .74rem; letter-spacing: .08em; text-transform: uppercase; color: var(--faint); }
.latbar .lh .x { font-family: var(--mono); font-size: .8rem; color: var(--accent); font-weight: 600; }
.latrow { display: grid; grid-template-columns: 88px 1fr auto; align-items: center; gap: 14px; margin: 9px 0; }
.latrow .nm { font-family: var(--mono); font-size: .82rem; color: var(--muted); }
.latrow .track { display: block; height: 10px; border-radius: 6px; background: #0a0e13; border: 1px solid var(--line); overflow: hidden; position: relative; }
.latrow .fill { display: block; height: 100%; width: 0; border-radius: 6px; transition: width 1.1s cubic-bezier(.2,.8,.2,1); }
.latrow .val { font-family: var(--mono); font-size: .82rem; font-variant-numeric: tabular-nums; }
.latrow.us .fill { background: linear-gradient(90deg, var(--accent), var(--accent-2)); box-shadow: 0 0 12px var(--glow); }
.latrow.us .val { color: var(--accent); }
.latrow.them .fill { background: linear-gradient(90deg, #7a2a2a, var(--red)); }
.latrow.them .val { color: var(--red); }
.in .latrow.us .fill { width: 2%; min-width: 6px; }   /* a sliver — the point is how tiny it is */
.in .latrow.them .fill { width: 100%; }
.latnote { font-family: var(--mono); font-size: .76rem; line-height: 1.55; color: var(--faint); max-width: 620px; margin: 14px 0 0; }
.latnote strong { color: var(--muted); }

/* ── Stat strip (market-data row) ────────────────────────────────────────── */
.stats {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px;
  background: var(--line); border: 1px solid var(--line);
  border-radius: 14px; overflow: hidden; margin-top: 46px;
}
.stat { background: var(--bg-1); padding: 24px 22px; position: relative; transition: background .2s; }
.stat:hover { background: var(--bg-2); }
.stat .num {
  font-family: var(--mono); font-size: clamp(1.45rem, 2.3vw, 1.85rem); font-weight: 600;
  color: var(--accent); letter-spacing: -.02em; font-variant-numeric: tabular-nums; line-height: 1;
}
.stat .num.num-sm { font-size: clamp(1.15rem, 1.85vw, 1.4rem); white-space: nowrap; }
.stat .lbl { color: var(--faint); font-family: var(--mono); font-size: .74rem; letter-spacing: .02em; margin-top: 10px; line-height: 1.4; }

/* ── Section header helper ───────────────────────────────────────────────── */
.sec-head { max-width: 720px; margin-bottom: 44px; }
.sec-head p { font-size: 1.1rem; color: var(--muted); }

/* ── Cards / grids ───────────────────────────────────────────────────────── */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.card {
  background: var(--bg-2); border: 1px solid var(--line); border-radius: 14px;
  padding: 26px; position: relative; overflow: hidden;
  /* 3D raised panel: drop shadow lifts it, inset top-highlight gives a beveled edge */
  box-shadow: 0 20px 45px -18px rgba(0,0,0,.7), inset 0 1px 0 rgba(255,255,255,.05);
  transition: transform .22s cubic-bezier(.16,1,.3,1), border-color .18s, box-shadow .3s;
}
.card::after {  /* corner tick that lights on hover */
  content: ""; position: absolute; top: 14px; right: 14px; width: 7px; height: 7px;
  border-top: 1px solid var(--line-2); border-right: 1px solid var(--line-2); transition: border-color .2s;
}
.card:hover { transform: translateY(-8px); border-color: var(--line-2); box-shadow: 0 34px 66px -22px rgba(0,0,0,.9), inset 0 1px 0 rgba(255,255,255,.07), 0 0 26px -10px var(--glow); }
.card:hover::after { border-color: var(--accent); }
.card h3 { color: var(--text); }
.card p { margin-bottom: 0; font-size: .97rem; color: var(--muted); }
.card .k { font-family: var(--mono); color: var(--accent); font-size: .8rem; letter-spacing: .02em; display: block; margin-bottom: 6px; }
.card .k + h3 { margin-top: 0; }
.k { color: var(--accent); font-family: var(--mono); }

/* ── Code block ──────────────────────────────────────────────────────────── */
pre {
  background: #070a0e; border: 1px solid var(--line); border-radius: 14px;
  box-shadow: 0 20px 45px -18px rgba(0,0,0,.7), inset 0 1px 0 rgba(255,255,255,.05);
  padding: 22px 22px; overflow-x: auto; font-family: var(--mono); font-size: .85rem;
  color: #c6d2de; line-height: 1.7; position: relative;
}
pre::before {
  content: "● ● ●"; position: absolute; top: 12px; left: 18px; font-size: .5rem;
  letter-spacing: 4px; color: var(--line-2);
}
pre { padding-top: 38px; }
pre .c { color: var(--faint); }
pre .k { color: var(--accent); }
pre .s { color: var(--amber); }

/* ── Benchmark charts (light "paper" panels in a dark room) ──────────────── */
.chart { background: #fff; border-radius: 12px; padding: 10px; border: 1px solid var(--line-2); box-shadow: 0 16px 50px -30px rgba(0,0,0,.9); }
.chart img { width: 100%; display: block; }
.caveat { font-size: .85rem; color: var(--faint); border-left: 2px solid var(--line-2); padding-left: 15px; line-height: 1.6; }
.caveat code { color: var(--muted); font-size: .92em; }

/* ── Live price table ────────────────────────────────────────────────────── */
.pricewrap { background: var(--bg-1); border: 1px solid var(--line); border-radius: 14px; padding: 16px 18px; box-shadow: 0 20px 45px -18px rgba(0,0,0,.7), inset 0 1px 0 rgba(255,255,255,.05); }
.price-head { display: flex; justify-content: space-between; align-items: baseline; flex-wrap: wrap; gap: 8px; font-family: var(--mono); font-size: .82rem; color: var(--muted); margin-bottom: 12px; }
.price-stamp { color: var(--accent); font-size: .76rem; }
.ptable { width: 100%; border-collapse: collapse; font-size: .92rem; border: 0; }
.ptable th { color: var(--faint); font-family: var(--mono); font-weight: 500; font-size: .72rem; text-transform: uppercase; letter-spacing: .04em; text-align: left; padding: 9px 10px; border-bottom: 1px solid var(--line); background: none; }
.ptable td { padding: 9px 10px; border-bottom: 1px solid var(--line); color: var(--muted); }
.ptable td.num, .ptable th.num { text-align: right; font-family: var(--mono); font-variant-numeric: tabular-nums; }
.ptable tr:last-child td { border-bottom: none; }
.ptable tbody tr:hover { background: var(--bg-2); }
.ptable tr.cheap td:first-child { color: var(--accent); font-weight: 600; }
.ptable tr.pricey td:first-child { color: var(--red); }
.ptable td.q-full { color: var(--accent); font-family: var(--mono); font-size: .85rem; }   /* fp16/bf16 = full precision */
.ptable td.q-quant { color: var(--warn); font-family: var(--mono); font-size: .85rem; }     /* fp8/int8/int4 = quantized */
.ptable td.q-unk { color: var(--faint); font-family: var(--mono); font-size: .85rem; }
.price-loading { color: var(--faint); font-family: var(--mono); }

/* ── US inference map ────────────────────────────────────────────────────── */
.mapwrap {
  background: var(--bg-1); border: 1px solid var(--line); border-radius: 16px; padding: 12px;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.02), 0 24px 60px -40px rgba(0,0,0,.9);
}
.usmap { display: block; width: 100%; aspect-ratio: 1000 / 580; }

/* ── Table ───────────────────────────────────────────────────────────────── */
table { width: 100%; border-collapse: collapse; font-size: .92rem; border: 1px solid var(--line); border-radius: 12px; overflow: hidden; }
th, td { text-align: left; padding: 13px 16px; border-bottom: 1px solid var(--line); }
tbody tr { transition: background .15s; }
tbody tr:hover { background: var(--bg-1); }
tbody tr:last-child td { border-bottom: none; }
th { color: var(--faint); font-family: var(--mono); font-weight: 500; font-size: .72rem; text-transform: uppercase; letter-spacing: .06em; background: var(--bg-1); }
td { color: var(--muted); }
td.num, th.num { text-align: right; font-family: var(--mono); font-variant-numeric: tabular-nums; }
tbody td.num:first-of-type { color: var(--accent); }

.pill { font-family: var(--mono); font-size: .68rem; padding: 3px 9px; border-radius: 20px; border: 1px solid var(--line-2); color: var(--muted); letter-spacing: .02em; }
.pill.ok { color: var(--accent); border-color: var(--accent-2); background: rgba(224,176,56,.06); }
.pill.soon { color: var(--amber); border-color: #6b5600; background: rgba(245,179,1,.05); }

/* ── Lists ───────────────────────────────────────────────────────────────── */
ul.checks { list-style: none; padding: 0; margin: 0; }
ul.checks li { padding: 9px 0 9px 28px; position: relative; color: var(--muted); border-bottom: 1px dashed var(--line); }
ul.checks li:last-child { border-bottom: none; }
ul.checks li::before { content: "▸"; color: var(--accent); position: absolute; left: 6px; }

/* ── Banner ──────────────────────────────────────────────────────────────── */
.banner {
  background: linear-gradient(180deg, var(--bg-2), var(--bg-1));
  border: 1px solid var(--line-2); border-radius: 14px; padding: 18px 22px;
  font-size: .98rem; color: var(--muted); position: relative;
  box-shadow: 0 22px 48px -18px rgba(0,0,0,.72), inset 0 1px 0 rgba(255,255,255,.06);
}
.banner strong { color: var(--accent); }

/* ── Founder byline ──────────────────────────────────────────────────────── */
.byline {
  margin-top: 30px; max-width: 700px;
  background: var(--bg-1); border: 1px solid var(--line); border-left: 2px solid var(--accent);
  border-radius: 12px; padding: 20px 22px;
  display: flex; gap: 18px; align-items: flex-start;
  box-shadow: 0 20px 45px -18px rgba(0,0,0,.7), inset 0 1px 0 rgba(255,255,255,.05);
}
.byline-photo { width: 72px; height: 72px; flex: none; border-radius: 10px; object-fit: cover; border: 1px solid var(--line-2); }
.byline-body { min-width: 0; }
.byline-name { font-family: var(--display); font-weight: 700; font-stretch: 105%; color: var(--text); font-size: 1.12rem; letter-spacing: -.01em; }
.byline-cred { color: var(--muted); font-size: .96rem; line-height: 1.55; margin-top: 6px; }
.byline-links { font-family: var(--mono); font-size: .82rem; margin-top: 13px; color: var(--faint); }
.byline-links a { color: var(--accent); }

/* ── Footer ──────────────────────────────────────────────────────────────── */
footer { border-top: 1px solid var(--line); padding: 48px 0; color: var(--faint); font-family: var(--mono); font-size: .82rem; }
footer .container { display: flex; flex-wrap: wrap; gap: 16px; justify-content: space-between; }
footer a { color: var(--muted); }
footer a:hover { color: var(--accent); }

/* ── Motion: hero load stagger + scroll reveal ───────────────────────────── */
@keyframes rise { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: none; } }
.hero .container > * { opacity: 0; animation: rise .7s cubic-bezier(.2,.7,.2,1) forwards; }
.hero .eyebrow { animation-delay: .05s; }
.hero h1 { animation-delay: .14s; }
.hero .lede { animation-delay: .26s; }
.hero .btn-row { animation-delay: .36s; }
.hero .latbar { animation-delay: .46s; }
.hero .latnote { animation-delay: .52s; }
.hero .stats { animation-delay: .6s; }

.reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s ease, transform .7s cubic-bezier(.2,.7,.2,1); }
.reveal.in { opacity: 1; transform: none; }
.reveal-stagger > * { opacity: 0; transform: translateY(20px); transition: opacity .6s ease, transform .6s cubic-bezier(.2,.7,.2,1); }
.reveal-stagger.in > * { opacity: 1; transform: none; }
.reveal-stagger.in > *:nth-child(2) { transition-delay: .08s; }
.reveal-stagger.in > *:nth-child(3) { transition-delay: .16s; }
.reveal-stagger.in > *:nth-child(4) { transition-delay: .24s; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .hero .container > *, .reveal, .reveal-stagger > * { opacity: 1 !important; transform: none !important; }
  .ticker-track { animation: none !important; }
}

/* ── Responsive ──────────────────────────────────────────────────────────── */
@media (max-width: 860px) {
  body { font-size: 16px; }
  section { padding: 76px 0; }
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .stats { grid-template-columns: 1fr 1fr; }
  .nav-links { gap: 16px; }
  .nav-links a:not(.btn) { display: none; }
  .latrow { grid-template-columns: 72px 1fr auto; gap: 10px; }
}