/* ---------- reset + base ---------- */

*,
*::before,
*::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  font-size: 17px;
  line-height: 1.65;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

:root {
  --paper:        #faf7f1;   /* warm cream */
  --paper-edge:   #f3eee2;
  --ink:          #1a1a1a;
  --ink-mid:      #4a4a4a;
  --ink-dim:      #6e6a62;
  --rule:         #e3dccd;
  --accent:       #c5462b;   /* burnt sienna */
  --accent-soft:  #ffe7d8;
  --mono:         'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
  --display:      'Fraunces', 'Iowan Old Style', Georgia, serif;
}

a {
  color: var(--ink);
  text-decoration: underline;
  text-decoration-color: var(--accent);
  text-decoration-thickness: 1.5px;
  text-underline-offset: 3px;
  transition: color .12s ease;
}
a:hover { color: var(--accent); }

::selection {
  background: var(--accent);
  color: var(--paper);
}

.skip {
  position: absolute;
  left: -9999px;
  top: 0;
}
.skip:focus {
  left: 1rem;
  top: 1rem;
  background: var(--ink);
  color: var(--paper);
  padding: .5rem .75rem;
  text-decoration: none;
  z-index: 100;
}

strong { font-weight: 600; }

em { font-style: italic; }

code {
  font-family: var(--mono);
  font-size: .9em;
  background: var(--paper-edge);
  padding: 1px 5px;
  border-radius: 3px;
}

/* ---------- top bar ---------- */

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(250, 247, 241, 0.92);
  backdrop-filter: saturate(180%) blur(8px);
  border-bottom: 1px solid var(--rule);
}
.topbar-inner {
  max-width: 880px;
  margin: 0 auto;
  padding: .8rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}
.mark {
  font-family: var(--display);
  font-weight: 900;
  font-size: 1.2rem;
  letter-spacing: .04em;
  color: var(--accent);
}
.topbar nav {
  display: flex;
  gap: 1.5rem;
}
.topbar nav a {
  font-family: var(--mono);
  font-size: .82rem;
  letter-spacing: .03em;
  text-decoration: none;
  color: var(--ink-mid);
}
.topbar nav a:hover { color: var(--accent); }

/* ---------- layout shell ---------- */

main {
  max-width: 760px;
  margin: 0 auto;
  padding: 4rem 1.5rem 6rem;
}

section { padding: 4.5rem 0; border-bottom: 1px solid var(--rule); }
section:last-of-type { border-bottom: none; }

h1, h2, h3 {
  font-family: var(--display);
  font-weight: 800;
  letter-spacing: -0.012em;
  line-height: 1.05;
  margin: 0 0 1rem;
  color: var(--ink);
}

h2 {
  font-size: clamp(1.5rem, 3vw, 1.95rem);
  font-weight: 700;
  letter-spacing: -0.01em;
  margin: 0 0 1.75rem;
  display: flex;
  align-items: baseline;
  gap: .8rem;
}
.hh {
  font-family: var(--mono);
  font-size: .7rem;
  font-weight: 500;
  color: var(--accent);
  letter-spacing: .15em;
  padding-top: .3rem;
}

h3 {
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: -0.005em;
  line-height: 1.25;
  font-family: var(--display);
}

p { margin: 0 0 1.1rem; }

/* ---------- HERO ---------- */

.hero { padding-top: 1rem; border-bottom: none; }

.hero .kicker {
  font-family: var(--mono);
  font-size: .78rem;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--ink-dim);
  margin-bottom: 1.5rem;
}

.hero h1 {
  font-size: clamp(3.2rem, 9vw, 5.6rem);
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: .92;
  margin: 0 0 1.8rem;
  font-variation-settings: "opsz" 144;
}

.hero .role {
  font-family: var(--mono);
  font-size: 1rem;
  color: var(--ink-mid);
  margin-bottom: 2.2rem;
  letter-spacing: .005em;
}
.hero .role .accent { color: var(--accent); font-weight: 500; }

.hero .lede {
  font-size: 1.12rem;
  line-height: 1.65;
  margin-bottom: 1.2rem;
  color: var(--ink);
}
.hero .lede.dim { color: var(--ink-mid); font-style: italic; }

/* ---------- STATS STRIP ---------- */

.stats {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1.25rem .8rem;
  padding: 2.5rem 0 3rem;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  margin-top: 2rem;
}
.stat {
  display: flex;
  flex-direction: column;
  gap: .25rem;
}
.stat-link {
  text-decoration: none;
  color: inherit;
  transition: transform .12s ease;
}
.stat-link:hover { transform: translateY(-2px); }
.stat-link:hover .lbl { color: var(--accent); }
.stat .num {
  font-family: var(--display);
  font-weight: 900;
  font-size: clamp(1.5rem, 3.4vw, 2.1rem);
  letter-spacing: -0.025em;
  color: var(--accent);
  line-height: 1;
  font-variation-settings: "opsz" 144;
}
.stat .lbl {
  font-family: var(--mono);
  font-size: .72rem;
  letter-spacing: .04em;
  color: var(--ink-dim);
  line-height: 1.35;
}

/* ---------- ABOUT ---------- */

.about p {
  font-size: 1.05rem;
  margin-bottom: 1.25rem;
}

/* ---------- WORK / CASE STUDIES ---------- */

.case {
  margin: 0 0 2.75rem;
  padding: 0 0 0 1.25rem;
  border-left: 2px solid var(--rule);
  transition: border-color .15s ease;
}
.case:hover { border-left-color: var(--accent); }

.case > header { margin-bottom: .75rem; }

.case h3 {
  margin: 0 0 .35rem;
  font-size: 1.18rem;
}

.case-meta {
  font-family: var(--mono);
  font-size: .77rem;
  color: var(--ink-dim);
  letter-spacing: .02em;
  margin: 0 0 .8rem;
  display: flex;
  gap: 1.25rem;
  flex-wrap: wrap;
}
.case-meta span:first-child { color: var(--accent); }

.case p { font-size: 1rem; }

.kv {
  list-style: none;
  padding: 0;
  margin: .5rem 0 0;
  display: grid;
  gap: .35rem;
  font-family: var(--mono);
  font-size: .82rem;
  color: var(--ink-mid);
}
.kv li {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 1rem;
  align-items: baseline;
}
.kv li > span:first-child {
  color: var(--ink-dim);
  text-transform: uppercase;
  letter-spacing: .08em;
  font-size: .68rem;
}

/* ---------- AI VELOCITY ---------- */

.ai-lede {
  font-size: 1.08rem;
  margin-bottom: 2rem;
  color: var(--ink);
}

.ai-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem 1.5rem;
  margin-bottom: 2rem;
}
.ai-card {
  padding: 1.4rem 1.5rem;
  background: var(--paper-edge);
  border: 1px solid var(--rule);
  border-radius: 4px;
}
.ai-card:hover { border-color: var(--accent); }
.ai-card h3 {
  font-size: 1rem;
  font-family: var(--display);
  font-weight: 700;
  letter-spacing: -0.003em;
  margin-bottom: .55rem;
  line-height: 1.3;
}
.ai-card p {
  font-size: .94rem;
  line-height: 1.55;
  margin: 0;
  color: var(--ink-mid);
}

.ai-foot {
  font-family: var(--mono);
  font-size: .78rem;
  color: var(--ink-dim);
  background: var(--accent-soft);
  padding: .8rem 1rem;
  border-left: 3px solid var(--accent);
  margin-top: 1.5rem;
}
.ai-foot em { font-style: normal; }

/* ---------- PRODUCTS ---------- */

.products-lede {
  font-size: 1.05rem;
  margin-bottom: 2rem;
  color: var(--ink);
}

.product {
  margin: 0 0 2rem;
  padding: 1.4rem 1.5rem;
  background: var(--paper-edge);
  border: 1px solid var(--rule);
  border-left: 3px solid var(--accent);
  border-radius: 4px;
  transition: transform .12s ease, border-color .12s ease;
}
.product:hover {
  border-left-color: var(--ink);
}

.product > header { margin-bottom: .6rem; }

.product h3 {
  margin: 0 0 .35rem;
  font-size: 1.22rem;
  font-family: var(--display);
  font-weight: 700;
}

.product-meta {
  font-family: var(--mono);
  font-size: .76rem;
  color: var(--ink-dim);
  letter-spacing: .02em;
  margin: 0 0 .7rem;
  display: flex;
  gap: 1.25rem;
  flex-wrap: wrap;
}
.product-meta span:first-child a { color: var(--accent); text-decoration-color: var(--accent); }

.product p {
  font-size: 1rem;
  margin: 0;
  line-height: 1.6;
}

/* ---------- NEXT / VLLM ---------- */

.next p { font-size: 1.05rem; }

.callout {
  font-size: 1rem !important;
  background: var(--accent-soft);
  border-left: 3px solid var(--accent);
  padding: 1.1rem 1.3rem;
  margin: 1.5rem 0 0 !important;
  color: var(--ink);
}
.callout em { color: var(--accent); font-style: normal; font-weight: 500; }

/* ---------- OSS ---------- */

.oss-list {
  list-style: none;
  padding: 0;
  margin: 0 0 1.5rem;
  display: grid;
  gap: .65rem;
}
.oss-list li {
  font-size: .98rem;
  padding: .15rem 0;
  line-height: 1.5;
}
.oss-list .meta {
  color: var(--ink-dim);
  font-size: .92rem;
}

.oss-foot {
  font-size: .92rem;
  color: var(--ink-mid);
  padding-top: 1rem;
  border-top: 1px dashed var(--rule);
}

/* ---------- CONTACT ---------- */

.contact-list {
  list-style: none;
  padding: 0;
  margin: 1.5rem 0 0;
  display: grid;
  gap: .55rem;
  font-family: var(--mono);
  font-size: .95rem;
}
.contact-list li {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 1.5rem;
  align-items: baseline;
}
.contact-list .lbl {
  color: var(--ink-dim);
  text-transform: uppercase;
  letter-spacing: .08em;
  font-size: .72rem;
}

/* ---------- FOOTER ---------- */

footer {
  max-width: 760px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem 4rem;
  font-family: var(--mono);
  font-size: .78rem;
  color: var(--ink-dim);
}
footer p {
  display: flex;
  flex-wrap: wrap;
  gap: .65rem;
  margin: 0;
}
footer .dot { color: var(--rule); }
footer a { color: var(--ink-dim); }

/* ---------- responsive ---------- */

@media (max-width: 900px) {
  .stats { grid-template-columns: repeat(5, 1fr); gap: 1rem .6rem; }
  .stat .num { font-size: 1.45rem; }
  .stat .lbl { font-size: .66rem; }
}

@media (max-width: 700px) {
  main { padding: 2.5rem 1.25rem 4rem; }
  section { padding: 3rem 0; }
  .hero h1 { font-size: clamp(2.6rem, 13vw, 3.8rem); }
  .hero .lede { font-size: 1.05rem; }
  .stats { grid-template-columns: repeat(3, 1fr); gap: 1.25rem 1rem; }
  .stat .num { font-size: 1.7rem; }
  .stat:nth-child(4), .stat:nth-child(5) { grid-row: 2; }
  .ai-grid { grid-template-columns: 1fr; }
  .topbar nav { gap: 1rem; }
  .topbar nav a { font-size: .72rem; }
  .kv li, .contact-list li { grid-template-columns: 90px 1fr; gap: .9rem; }
}

@media (max-width: 480px) {
  .topbar nav a:nth-child(4) { display: none; } /* hide '2026' on tiniest screens */
  .stats { grid-template-columns: 1fr 1fr; }
  .stat:nth-child(5) { grid-column: 1 / -1; }
  .stat:nth-child(4), .stat:nth-child(5) { grid-row: auto; }
}

/* ---------- print ---------- */

@media print {
  .topbar, footer .dot { display: none; }
  body { background: white; color: black; font-size: 11pt; }
  section { padding: 1rem 0; border-bottom: 1px solid #ccc; page-break-inside: avoid; }
  a { color: black; text-decoration: underline; }
  .stats { border: none; padding: 0; }
}