:root {
  --black: #0A0D14;
  --ink: #10131A;
  --navy: #171A23;
  --bg: #FFFFFF;
  --bg-2: #F4F4F2;
  --rule: #E5E5E0;
  --slate: #5B6470;
  --slate-2: #8C949E;
  --anthracite: #3D3D45;
  --chrome: #C8CCD0;
  --chrome-bright: #E8EAED;

  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
  --mono: "JetBrains Mono", "SFMono-Regular", Consolas, monospace;

  --gutter: clamp(1.25rem, 4vw, 2.5rem);
  --section-y: clamp(4rem, 8vw, 6.5rem);
  --radius: 2px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: var(--ink); text-decoration: none; transition: color 120ms ease; }
a:hover { color: var(--anthracite); }

h1, h2, h3, h4 {
  font-family: var(--sans);
  color: var(--ink);
  letter-spacing: -0.02em;
  line-height: 1.06;
  margin: 0 0 0.5em;
}
h1 { font-size: clamp(2.5rem, 5.5vw, 4.5rem); font-weight: 800; letter-spacing: -0.035em; }
h2 { font-size: clamp(1.85rem, 3.6vw, 2.75rem); font-weight: 700; letter-spacing: -0.025em; }
h3 { font-size: 1.25rem; font-weight: 700; letter-spacing: -0.01em; }
h4 { font-size: 0.78rem; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; color: var(--slate); }

p { margin: 0 0 1em; max-width: 64ch; color: var(--ink); }

.eyebrow {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--slate);
  margin: 0 0 1.2rem;
}
.on-dark .eyebrow,
section.dark .eyebrow,
.cta-band .eyebrow,
.hero .eyebrow,
.page-hero .eyebrow { color: var(--chrome); }

.container { max-width: 1280px; margin: 0 auto; padding: 0 var(--gutter); }
.container-narrow { max-width: 880px; margin: 0 auto; padding: 0 var(--gutter); }

/* === UTILITY BAR === */
.util-bar {
  background: var(--black);
  color: #B7BCC4;
  font-size: 0.78rem;
}
.util-bar .container {
  display: flex;
  justify-content: flex-end;
  gap: 1.6rem;
  padding-top: 0.55rem;
  padding-bottom: 0.55rem;
}
.util-bar a { color: #B7BCC4; }
.util-bar a:hover { color: var(--chrome-bright); }

/* === HEADER === */
.site-header {
  background: var(--bg);
  border-bottom: 1px solid var(--rule);
  position: sticky;
  top: 0;
  z-index: 50;
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1rem;
  padding-bottom: 1rem;
}
.site-header .brand img { height: 120px; display: block; }
.site-nav { display: flex; gap: 2rem; align-items: center; }
.site-nav a {
  color: var(--ink);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: -0.005em;
  padding: 0.4rem 0;
  border-bottom: 2px solid transparent;
}
.site-nav a:hover { color: var(--ink); border-bottom-color: var(--anthracite); }
.site-nav a.active { border-bottom-color: var(--ink); }

/* Header CTA: borderless — reads as a nav link with arrow affordance */
.site-header .btn {
  background: transparent;
  color: var(--ink);
  border: 1px solid transparent;
  padding: 0.4rem 0;
}
.site-header .btn:hover {
  background: transparent;
  color: var(--ink);
  border-color: transparent;
}
.site-header .btn:hover::after { transform: translateX(4px); }
.site-nav a.btn { border-bottom: none; }

/* === BUTTONS === */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--sans);
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.005em;
  padding: 0.85rem 1.5rem;
  border: 1px solid var(--ink);
  background: var(--ink);
  color: var(--bg);
  border-radius: var(--radius);
  transition: all 150ms ease;
  text-transform: none;
  cursor: pointer;
}
.btn:hover {
  background: var(--bg);
  border-color: var(--ink);
  color: var(--ink);
}
.btn::after { content: "→"; transition: transform 150ms ease; font-weight: 500; }
.btn:hover::after { transform: translateX(4px); }

.btn-ghost {
  background: transparent;
  color: var(--bg);
  border-color: rgba(255,255,255,0.7);
}
.btn-ghost:hover {
  background: var(--bg);
  color: var(--ink);
  border-color: var(--bg);
}

.btn-outline {
  background: transparent;
  color: var(--ink);
  border-color: var(--ink);
}
.btn-outline:hover {
  background: var(--ink);
  color: var(--bg);
}

/* === HERO === */
.hero {
  background: var(--navy);
  color: #F1F5F9;
  padding: clamp(5rem, 10vw, 8rem) 0 clamp(5rem, 10vw, 8rem);
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 600px 400px at 85% 30%, rgba(232,234,237,0.18), transparent 70%),
    radial-gradient(ellipse 500px 600px at 90% 80%, rgba(26,26,31,0.45), transparent 65%),
    radial-gradient(ellipse 700px 500px at 100% 50%, rgba(136,139,146,0.22), transparent 70%);
  filter: blur(8px);
  pointer-events: none;
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(115deg, transparent 0 28px, rgba(255,255,255,0.025) 28px 29px),
    repeating-linear-gradient(25deg, transparent 0 28px, rgba(255,255,255,0.02) 28px 29px);
  pointer-events: none;
}
.hero .container { position: relative; z-index: 1; }
.hero h1 { color: #FFFFFF; max-width: 18ch; font-weight: 800; }
.hero h1 .accent {
  color: var(--chrome-bright);
  font-style: italic;
  font-weight: 300;
}
.hero .lede {
  font-size: clamp(1.05rem, 1.5vw, 1.25rem);
  color: #C8CFD9;
  max-width: 60ch;
  font-weight: 400;
  line-height: 1.55;
  margin-bottom: 2rem;
}
.hero .secondary-tag {
  font-size: 0.82rem;
  color: var(--chrome);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-weight: 600;
  margin-bottom: 0;
  padding-top: 1.4rem;
  border-top: 1px solid rgba(255,255,255,0.12);
  max-width: 520px;
}
.hero .actions { display: flex; gap: 0.85rem; margin-bottom: 2.5rem; flex-wrap: wrap; }

/* === PAGE HERO (subpages) === */
.page-hero {
  background: var(--navy);
  color: #F1F5F9;
  padding: clamp(4rem, 8vw, 6rem) 0 clamp(3.5rem, 7vw, 5rem);
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 500px 320px at 90% 40%, rgba(232,234,237,0.14), transparent 70%),
    radial-gradient(ellipse 600px 400px at 100% 80%, rgba(136,139,146,0.18), transparent 65%);
  filter: blur(10px);
  pointer-events: none;
}
.page-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(115deg, transparent 0 28px, rgba(255,255,255,0.022) 28px 29px);
  pointer-events: none;
}
.page-hero .container { position: relative; z-index: 1; }
.page-hero h1 { color: #FFFFFF; max-width: 20ch; font-weight: 800; }
.page-hero .lede {
  font-size: clamp(1.05rem, 1.4vw, 1.18rem);
  color: #C8CFD9;
  max-width: 60ch;
  font-weight: 400;
  line-height: 1.55;
}

/* === SECTIONS === */
section { padding: var(--section-y) 0; }
section.alt { background: var(--bg-2); }
.section-head { margin-bottom: 3rem; max-width: 760px; }
.section-head h2 { max-width: 22ch; }
.section-head p { color: var(--slate); font-size: 1.08rem; }

/* === GRID === */
.grid { display: grid; gap: 1.25rem; }
.grid.cols-3 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.grid.cols-2 { grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 2.5rem; }

/* === CARDS === */
.card {
  background: var(--bg);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 200ms ease, box-shadow 200ms ease, border-color 200ms ease;
  position: relative;
}
.card:hover {
  transform: translateY(-4px);
  border-color: var(--ink);
  box-shadow: 0 18px 40px rgba(16,19,26,0.10);
}
.card .card-img {
  height: 140px;
  background:
    linear-gradient(135deg, rgba(232,234,237,0.85), rgba(26,26,31,0.6) 50%, rgba(136,139,146,0.7));
  position: relative;
}
.card .card-img::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(135deg, transparent 0 6px, rgba(255,255,255,0.06) 6px 7px),
    repeating-linear-gradient(45deg, transparent 0 12px, rgba(0,0,0,0.05) 12px 13px);
}
.card .card-img.r2 { background: linear-gradient(135deg, rgba(136,139,146,0.85), rgba(232,234,237,0.6) 60%, rgba(26,26,31,0.7)); }
.card .card-img.r3 { background: linear-gradient(135deg, rgba(26,26,31,0.85), rgba(232,234,237,0.7) 50%, rgba(136,139,146,0.6)); }
.card .card-img.r4 { background: linear-gradient(135deg, rgba(232,234,237,0.7), rgba(136,139,146,0.85) 55%, rgba(26,26,31,0.5)); }
.card .card-img.r5 { background: linear-gradient(135deg, rgba(136,139,146,0.7), rgba(26,26,31,0.85) 50%, rgba(232,234,237,0.6)); }
.card .card-img.r6 { background: linear-gradient(135deg, rgba(26,26,31,0.65), rgba(232,234,237,0.85) 55%, rgba(136,139,146,0.7)); }

.card-body { padding: 1.4rem 1.5rem 1.5rem; }
section.alt .card { background: var(--bg); }
.card .kicker {
  font-family: var(--mono);
  font-size: 0.74rem;
  color: var(--slate);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 700;
  margin-bottom: 0.6rem;
  display: block;
}
.card h3 { margin-bottom: 0.5em; }
.card p { font-size: 0.94rem; color: var(--slate); margin-bottom: 1.1rem; }
.card .read-more {
  font-size: 0.86rem;
  font-weight: 700;
  color: var(--ink);
  border-bottom: 2px solid var(--anthracite);
  padding-bottom: 1px;
}
.card .read-more::after { content: " →"; }

/* === STAT STRIP === */
.stat-strip {
  background: var(--ink);
  color: var(--bg);
  padding: 3rem 0;
  position: relative;
}
.stat-strip::before {
  content: "";
  position: absolute;
  left: 0; right: 0; top: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--chrome) 50%, transparent);
}
.stat-strip .container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
}
.stat .label {
  font-size: 0.78rem;
  color: var(--slate-2);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-weight: 600;
  margin-bottom: 0.7rem;
}
.stat .value {
  font-size: clamp(2rem, 3.5vw, 2.6rem);
  font-weight: 800;
  letter-spacing: -0.025em;
  color: var(--bg);
  line-height: 1.05;
}
.stat .desc {
  font-size: 0.92rem;
  color: #C8CFD9;
  margin-top: 0.5rem;
}

/* === LAYER STACK === */
.layer-stack { display: grid; gap: 0; max-width: 920px; }
.layer-row {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 2rem;
  align-items: baseline;
  padding: 1.6rem 0;
  border-top: 1px solid var(--rule);
}
.layer-row:first-child { border-top: 2px solid var(--ink); }
.layer-row:last-child { border-bottom: 2px solid var(--ink); }
.layer-row .label {
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--slate);
  font-weight: 700;
}
.layer-row .body strong {
  color: var(--ink);
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: -0.015em;
  display: block;
  margin-bottom: 0.3rem;
}
.layer-row .body span {
  color: var(--slate);
  font-size: 0.96rem;
  line-height: 1.55;
}

/* === SPLIT IMAGE/COPY === */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}
.split-img {
  aspect-ratio: 4/3;
  border-radius: var(--radius);
  background:
    radial-gradient(circle at 30% 30%, rgba(232,234,237,0.7), transparent 50%),
    radial-gradient(circle at 70% 70%, rgba(136,139,146,0.6), transparent 55%),
    radial-gradient(circle at 50% 50%, rgba(26,26,31,0.5), transparent 60%),
    var(--navy);
  position: relative;
  overflow: hidden;
}
.split-img::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(75deg, transparent 0 14px, rgba(255,255,255,0.04) 14px 15px),
    repeating-linear-gradient(15deg, transparent 0 14px, rgba(0,0,0,0.06) 14px 15px);
}

/* === SKU TABLE === */
.sku-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--mono);
  font-size: 0.92rem;
  background: var(--bg);
  border: 1px solid var(--rule);
}
.sku-table th, .sku-table td {
  text-align: left;
  padding: 1rem 1.2rem;
  border-bottom: 1px solid var(--rule);
}
.sku-table thead th {
  font-family: var(--sans);
  font-weight: 700;
  font-size: 0.76rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--slate);
  background: var(--bg-2);
  border-bottom: 1px solid var(--ink);
}
.sku-table tbody tr:last-child td { border-bottom: none; }
.sku-table tbody tr:hover { background: var(--bg-2); }
.sku-table td:first-child { color: var(--ink); font-weight: 700; }

/* === FOUNDER === */
.founder {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 3rem;
  align-items: start;
}
.founder img {
  width: 100%;
  height: auto;
  border-radius: var(--radius);
  filter: grayscale(20%) contrast(1.02);
  border: 1px solid var(--rule);
}

/* === PROSE / CALLOUT === */
.prose h2 { margin-top: 0; }
.prose h3 { margin-top: 2em; }
.prose ul { padding-left: 1.2rem; }
.prose ul li { margin-bottom: 0.5em; max-width: 64ch; }
.prose .callout {
  border-left: 3px solid var(--anthracite);
  padding: 0.9rem 1.2rem;
  background: var(--bg-2);
  font-family: var(--mono);
  font-size: 0.92rem;
  line-height: 1.7;
  margin: 1.5em 0;
  max-width: 64ch;
}

/* === CONTACT === */
.contact-block {
  background: var(--bg-2);
  border: 1px solid var(--rule);
  padding: 2.2rem 2rem;
  border-radius: var(--radius);
}
.contact-block h3 { color: var(--ink); margin-top: 0; }
.contact-block p { margin-bottom: 0.5em; }

/* === CTA BAND === */
.cta-band {
  background: var(--ink);
  color: var(--bg);
  padding: var(--section-y) 0;
  position: relative;
  overflow: hidden;
}
.cta-band::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 90% 50%, rgba(255,255,255,0.06), transparent 55%);
  pointer-events: none;
}
.cta-band::after {
  content: "";
  position: absolute;
  left: 0; right: 0; top: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--chrome) 50%, transparent);
}
.cta-band .container { position: relative; z-index: 1; }
.cta-band h2 { color: var(--bg); max-width: 22ch; }
.cta-band p { color: #C8CFD9; }

/* === FOOTER === */
.site-footer {
  background: var(--ink);
  color: #8C949E;
  padding: 3rem 0 2rem;
  font-size: 0.88rem;
  border-top: 1px solid var(--chrome);
}
.site-footer .container {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}
.site-footer a { color: #B7BCC4; }
.site-footer a:hover { color: var(--chrome-bright); }

@media (max-width: 880px) {
  .split { grid-template-columns: 1fr; gap: 2rem; }
  .founder { grid-template-columns: 1fr; }
  .founder img { max-width: 240px; }
}
@media (max-width: 760px) {
  .util-bar { display: none; }
  .site-header .brand img { height: 80px; }
  .site-nav { gap: 1rem; }
  .site-nav a { font-size: 0.86rem; }
  .layer-row { grid-template-columns: 1fr; gap: 0.4rem; }
  .sku-table { font-size: 0.82rem; }
  .sku-table th, .sku-table td { padding: 0.7rem 0.8rem; }
}