/* Terrabyte Analytics marketing site — hand-rolled, no framework.
   Palette locked to the approved mockup (dark navy + teal). */

:root {
  --navy-950: #0a1220;
  --navy-900: #0d1727;
  --navy-850: #101c2f;
  --navy-800: #142238;
  --navy-700: #1c2f4a;
  --panel: #0f1b2d;
  --panel-line: #22364f;
  --teal-500: #16b8a6;
  --teal-400: #2fd4c0;
  --teal-soft: rgba(22, 184, 166, 0.12);
  --ink-light: #eef4f8;
  --ink-mid: #a7b7c7;
  --ink-dim: #718599;
  --light-bg: #f4f7fa;
  --light-card: #ffffff;
  --light-line: #dfe7ee;
  --light-ink: #17273b;
  --light-muted: #5a6c80;
  --radius: 10px;
  --radius-lg: 14px;
  --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    Helvetica, Arial, sans-serif;
  --mono: "Cascadia Code", Consolas, "SF Mono", Menlo, monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.55;
  color: var(--light-ink);
  background: var(--navy-950);
}

img, svg { max-width: 100%; display: block; }

a { color: inherit; }

.wrap {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 28px;
}

/* ---------- Nav ---------- */

.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(10, 18, 32, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--panel-line);
}

.nav-inner {
  display: flex;
  align-items: center;
  gap: 32px;
  height: 64px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 21px;
  font-weight: 800;
  letter-spacing: 0.14em;
  color: var(--ink-light);
  text-decoration: none;
}

/* Wordmark lockup: TERRABYTE carries the weight, ANALYTICS sits beneath it
   as a quieter descriptor so the nav still fits on one line. */
.wordmark { display: inline-flex; flex-direction: column; line-height: 1.05; }

.wordmark em {
  font-style: normal;
  font-size: 0.44em;
  font-weight: 600;
  letter-spacing: 0.26em;
  color: var(--teal-400);
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
}

.nav-links a {
  color: var(--ink-mid);
  text-decoration: none;
  font-size: 14.5px;
  font-weight: 500;
  padding: 8px 12px;
  border-radius: 8px;
  /* Without this, multi-word items break onto several lines in the
     narrow band between the mobile breakpoint and a full desktop,
     overflowing the fixed-height bar. */
  white-space: nowrap;
  transition: color 0.15s, background 0.15s;
}

.nav-links a:hover { color: var(--ink-light); background: var(--navy-800); }

.nav-links .caret::after {
  content: "▾";
  font-size: 10px;
  margin-left: 5px;
  opacity: 0.7;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  border-radius: 9px;
  padding: 11px 20px;
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform 0.12s, box-shadow 0.12s, background 0.15s;
}

.btn-primary {
  background: var(--teal-500);
  color: #05221e;
}

.btn-primary:hover {
  background: var(--teal-400);
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(22, 184, 166, 0.35);
}

.btn-ghost {
  background: transparent;
  color: var(--ink-light);
  border-color: #33475f;
}

.btn-ghost:hover { border-color: var(--teal-500); color: var(--teal-400); }

.nav .btn { padding: 9px 16px; font-size: 14px; }

/* ---------- Hero ---------- */

.hero {
  position: relative;
  background:
    radial-gradient(1100px 480px at 78% -10%, rgba(22, 184, 166, 0.10), transparent 60%),
    radial-gradient(800px 500px at 8% 108%, rgba(38, 96, 168, 0.14), transparent 60%),
    var(--navy-950);
  color: var(--ink-light);
  padding: 72px 0 84px;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(380px, 5fr) minmax(420px, 6fr);
  gap: 56px;
  align-items: start;
}

.badge {
  display: inline-block;
  border: 1px solid rgba(22, 184, 166, 0.5);
  color: var(--teal-400);
  background: var(--teal-soft);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.16em;
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 26px;
}

.hero h1 {
  font-size: clamp(34px, 4.2vw, 46px);
  line-height: 1.14;
  font-weight: 800;
  letter-spacing: -0.015em;
  margin: 0 0 20px;
}

.hero .sub {
  font-size: 17.5px;
  color: var(--ink-mid);
  max-width: 46ch;
  margin: 0 0 30px;
}

.hero-ctas { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 44px; }

.hero-feats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--panel-line);
  padding-top: 26px;
  gap: 8px;
}

.feat {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 0 18px 0 0;
  font-size: 13.5px;
  color: var(--ink-mid);
  line-height: 1.4;
}

.feat + .feat { border-left: 1px solid var(--panel-line); padding-left: 18px; }

.feat svg { width: 30px; height: 30px; }

/* Hero visualization panels */

.viz-grid {
  display: grid;
  grid-template-columns: 3fr 2fr;
  gap: 14px;
}

.viz-card {
  background: var(--panel);
  border: 1px solid var(--panel-line);
  border-radius: var(--radius);
  padding: 14px 16px 12px;
  min-height: 150px;
  display: flex;
  flex-direction: column;
}

.viz-card h3 {
  margin: 0 0 2px;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--ink-light);
  letter-spacing: 0.01em;
}

.viz-card .sub {
  font-size: 10.5px;
  color: var(--ink-dim);
  margin: 0 0 8px;
}

.viz-card svg { flex: 1; width: 100%; }

.viz-legend {
  display: flex;
  flex-direction: column;
  gap: 3px;
  font-size: 10px;
  color: var(--ink-dim);
  margin-top: 6px;
}

.viz-legend.row { flex-direction: row; flex-wrap: wrap; gap: 10px; }

.viz-legend .dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  margin-right: 6px;
  vertical-align: 1px;
}

/* ---------- Shared section machinery ---------- */

section { padding: 76px 0; }

.kicker {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--teal-500);
  margin: 0 0 10px;
}

.section-title {
  font-size: clamp(24px, 2.8vw, 32px);
  font-weight: 800;
  letter-spacing: -0.01em;
  margin: 0 0 36px;
}

.on-dark { color: var(--ink-light); }
.on-dark .section-title { color: var(--ink-light); }

/* ---------- Problem ---------- */

.problem { background: var(--light-bg); color: var(--light-ink); }

.problem-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 26px; }

.problem-card {
  background: var(--light-card);
  border: 1px solid var(--light-line);
  border-radius: var(--radius-lg);
  padding: 30px 30px 26px;
  box-shadow: 0 2px 10px rgba(20, 35, 60, 0.05);
}

.num-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--teal-500);
  color: #05221e;
  font-weight: 800;
  font-size: 16px;
  margin-bottom: 16px;
}

.problem-card h3 { margin: 0 0 12px; font-size: 19px; line-height: 1.3; }

.problem-card p { margin: 0 0 22px; color: var(--light-muted); font-size: 15px; }

.icon-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.icon-chip {
  flex: 1;
  min-width: 74px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--light-line);
  border-radius: var(--radius);
  padding: 14px 6px 10px;
  font-size: 11px;
  color: var(--light-muted);
  text-align: center;
  line-height: 1.25;
}

.icon-chip svg { width: 26px; height: 26px; }

/* ---------- Value (3 steps) ---------- */

.value { background: var(--navy-900); }

.steps {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  gap: 26px;
  align-items: start;
}

.step { text-align: center; padding: 0 6px; }

.step .num-chip { margin: 0 auto 18px; }

.step-icon {
  width: 84px;
  height: 84px;
  margin: 0 auto 20px;
  border-radius: 18px;
  background: var(--light-card);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 26px rgba(0, 0, 0, 0.35);
}

.step-icon svg { width: 46px; height: 46px; }

.step h3 { margin: 0 0 12px; font-size: 17.5px; color: var(--ink-light); }

.step p { margin: 0 auto; max-width: 30ch; font-size: 14px; color: var(--ink-mid); }

.step-arrow {
  align-self: center;
  color: var(--ink-dim);
  padding-top: 40px;
}

/* ---------- Markets ---------- */

.markets { background: var(--light-bg); color: var(--light-ink); }

.market-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 26px; }

.market-card {
  display: grid;
  grid-template-columns: 5fr 6fr;
  background: var(--light-card);
  border: 1px solid var(--light-line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 2px 10px rgba(20, 35, 60, 0.05);
}

.market-illo {
  background: var(--navy-900);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 10px;
}

.market-illo svg { width: 100%; height: 100%; }

.market-body { padding: 24px 24px 20px; }

.market-body .mk-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1.5px solid var(--teal-500);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 12px;
}

.market-body .mk-icon svg { width: 22px; height: 22px; }

.market-body h3 { margin: 0 0 8px; font-size: 17px; line-height: 1.3; }

.market-body p { margin: 0 0 14px; font-size: 13.5px; color: var(--light-muted); }

.checks { list-style: none; margin: 0; padding: 0; }

.checks li {
  position: relative;
  padding-left: 26px;
  font-size: 13.5px;
  margin-bottom: 7px;
  color: var(--light-ink);
}

.checks li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 3px;
  width: 15px;
  height: 15px;
  background:
    url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 16 16"><path d="M3 8.5l3.2 3.2L13 5" fill="none" stroke="%2316b8a6" stroke-width="2.2" stroke-linecap="round" stroke-linejoin="round"/></svg>')
    no-repeat center / contain;
}

/* ---------- Proof metrics ---------- */

.proof { background: var(--navy-900); }

.proof-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
}

.metric {
  background: var(--panel);
  border: 1px solid var(--panel-line);
  border-radius: var(--radius-lg);
  padding: 24px 18px 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 12px;
}

.metric svg { width: 34px; height: 34px; }

.metric .big {
  font-size: 34px;
  font-weight: 800;
  color: var(--teal-400);
  line-height: 1;
}

.metric .cap { font-size: 12.5px; color: var(--ink-mid); line-height: 1.35; }

/* The number a card is small enough to lose — e.g. the "/5,028" in
   "5,028/5,028" — set smaller so the headline figure still reads first. */
.metric .big .of { font-size: 20px; opacity: 0.65; font-weight: 700; }

/* Which committed study file proves this card. Always rendered: a metric
   without a visible source is the failure mode this section exists to fix. */
.metric .src {
  margin-top: auto;
  padding-top: 10px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.02em;
  color: var(--ink-dim);
  word-break: normal;
  overflow-wrap: break-word;
}

.proof-note {
  margin: 26px auto 0;
  max-width: 78ch;
  text-align: center;
  font-size: 13px;
  color: var(--ink-dim);
}

.proof-note code { font-family: var(--mono); font-size: 12px; color: var(--ink-mid); }

/* The regime boundary — where the advantage is smaller, and what it costs.
   Stated on the page rather than left for a prospect's own test to find. */
.proof-note.caveat {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--panel-line);
  font-size: 12.5px;
}

/* ---------- Why us ---------- */

.why { background: var(--light-bg); color: var(--light-ink); }

.why-grid {
  display: grid;
  grid-template-columns: 6fr 5fr;
  gap: 48px;
  align-items: center;
}

.why p.lede { color: var(--light-muted); font-size: 15.5px; max-width: 52ch; }

.why .checks li { font-size: 15px; margin-bottom: 11px; }

.why-illo svg { width: 100%; }

/* ---------- CTA ---------- */

.cta { background: var(--navy-950); padding: 60px 0 80px; }

.cta-card {
  display: flex;
  align-items: center;
  gap: 28px;
  background: var(--navy-850);
  border: 1px solid var(--panel-line);
  border-radius: var(--radius-lg);
  padding: 36px 40px;
}

.cta-icon {
  flex: none;
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--teal-soft);
  border: 1.5px solid var(--teal-500);
  display: flex;
  align-items: center;
  justify-content: center;
}

.cta-icon svg { width: 36px; height: 36px; }

.cta-copy { flex: 1; }

.cta-copy h2 { margin: 0 0 8px; font-size: 24px; color: var(--ink-light); }

.cta-copy p { margin: 0; color: var(--ink-mid); font-size: 15px; max-width: 48ch; }

.cta-actions { display: flex; flex-direction: column; gap: 12px; }

/* ---------- Footer ---------- */

footer {
  background: var(--navy-950);
  border-top: 1px solid var(--panel-line);
  padding: 28px 0 34px;
  color: var(--ink-dim);
  font-size: 13px;
}

.foot-inner { display: flex; align-items: center; gap: 24px; flex-wrap: wrap; }

.foot-inner .brand { font-size: 16px; }

.foot-links { margin-left: auto; display: flex; gap: 20px; }

.foot-links a { color: var(--ink-dim); text-decoration: none; }

.foot-links a:hover { color: var(--ink-mid); }

/* ---------- Long-form documents (benchmark pages, briefs) ---------- */

.doc {
  background: var(--light-bg);
  color: var(--light-ink);
  padding: 56px 0 90px;
}

.doc-wrap { max-width: 760px; }

.doc-eyebrow {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--teal-500);
  margin: 0 0 12px;
}

.doc h1 {
  font-size: clamp(30px, 4vw, 42px);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.02em;
  margin: 0 0 18px;
  text-wrap: balance;
}

.doc-standfirst {
  font-size: 19px;
  line-height: 1.55;
  color: var(--light-muted);
  margin: 0 0 28px;
}

.doc-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 20px;
  padding: 14px 0;
  border-top: 1px solid var(--light-line);
  border-bottom: 1px solid var(--light-line);
  font-family: var(--mono);
  font-size: 11.5px;
  color: var(--light-muted);
  margin-bottom: 40px;
}

.doc h2 {
  font-size: 25px;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin: 44px 0 14px;
  text-wrap: balance;
}

.doc h3 { font-size: 18px; font-weight: 600; margin: 0 0 10px; }

.doc p { font-size: 16.5px; line-height: 1.7; margin: 0 0 18px; }

.doc strong { font-weight: 650; }

.doc code {
  font-family: var(--mono);
  font-size: 13px;
  background: #e7eef4;
  padding: 1px 5px;
  border-radius: 3px;
}

.doc-callout {
  background: var(--light-card);
  border: 1px solid var(--light-line);
  border-left: 3px solid var(--teal-500);
  border-radius: var(--radius);
  padding: 20px 24px;
  margin: 28px 0;
}

.doc-callout p { margin: 0; font-size: 16.5px; }

/* max-width:100% is what actually makes overflow-x clip: without a
   definite width the container grows to fit the table and the page
   scrolls sideways instead. */
.doc-table {
  margin: 26px 0;
  max-width: 100%;
  overflow-x: auto;
}

.doc-table table {
  width: 100%;
  border-collapse: collapse;
  font-size: 15px;
  min-width: 460px;
  background: var(--light-card);
}

.doc-table th,
.doc-table td {
  text-align: left;
  padding: 11px 14px;
  border-bottom: 1px solid var(--light-line);
}

.doc-table th {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--light-muted);
  background: #eef3f7;
}

.doc-table .num { text-align: right; font-variant-numeric: tabular-nums; }

.doc-table .mut { color: var(--light-muted); font-size: 13px; }

.doc-caption {
  font-size: 13.5px;
  color: var(--light-muted);
  margin: 10px 0 0;
}

.doc-sources {
  margin: 44px 0 0;
  padding: 22px 24px;
  background: var(--light-card);
  border: 1px solid var(--light-line);
  border-radius: var(--radius);
}

.doc-sources ul { margin: 0; padding-left: 20px; }

/* Study slugs and JSON paths are long unbreakable tokens; without this
   they push the whole page sideways on a narrow viewport. */
.doc-sources li {
  font-size: 14px;
  color: var(--light-muted);
  margin-bottom: 7px;
  line-height: 1.5;
  overflow-wrap: anywhere;
}

.doc code, .doc-sources code { overflow-wrap: anywhere; }

.doc-cta {
  margin-top: 40px;
  padding: 28px 30px;
  background: var(--navy-850);
  border-radius: var(--radius-lg);
  color: var(--ink-light);
}

.doc-cta h3 { color: var(--ink-light); }

.doc-cta p { color: var(--ink-mid); font-size: 15.5px; margin-bottom: 18px; }

/* ---------- Responsive ---------- */

@media (max-width: 1020px) {
  .nav-inner { gap: 18px; }
  .nav-links { gap: 2px; }
  .nav-links a { padding: 8px 9px; font-size: 14px; }
  .hero-grid { grid-template-columns: 1fr; }
  .viz-grid { grid-template-columns: 1fr 1fr; }
  .proof-grid { grid-template-columns: repeat(3, 1fr); }
  .steps { grid-template-columns: 1fr; }
  .step-arrow { display: none; }
  .why-grid { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .nav-links { display: none; }
  .problem-grid, .market-grid { grid-template-columns: 1fr; }
  .market-card { grid-template-columns: 1fr; }
  .market-illo { min-height: 180px; }
  .proof-grid { grid-template-columns: 1fr 1fr; }
  .viz-grid { grid-template-columns: 1fr; }
  .hero-feats { grid-template-columns: 1fr; }
  .feat + .feat { border-left: none; padding-left: 0; border-top: 1px solid var(--panel-line); padding-top: 14px; }
  .cta-card { flex-direction: column; text-align: center; }
}

/* Route from the homepage summary band into the full benchmark pages. */
.proof-more { margin: 22px 0 0; text-align: center; }

.proof-more a {
  font-size: 14.5px;
  font-weight: 600;
  color: var(--teal-400);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 212, 192, 0.35);
  padding-bottom: 2px;
}

.proof-more a:hover { border-bottom-color: var(--teal-400); }