:root {
  --bg: #f2ece0;
  --ink: #111014;
  --muted: #57544c;
  --panel: #fff9ed;
  --line: #d8cab0;
  --accent: #cc4d2f;
  --accent2: #146a77;
  --code-bg: #171615;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: "Space Grotesk", "Avenir Next", "Segoe UI", sans-serif;
  background: radial-gradient(circle at 15% 8%, #fff8e8 0%, var(--bg) 56%);
  color: var(--ink);
  line-height: 1.5;
}

.bg-grid {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(0, 0, 0, 0.04) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(0, 0, 0, 0.04) 1px, transparent 1px);
  background-size: 30px 30px;
}

.wrap { width: min(1120px, 92vw); margin: 0 auto; position: relative; }

.hero { padding: 4.6rem 0 2rem; }
.eyebrow {
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.11em;
  color: var(--accent2);
  font-weight: 700;
}
.logo-wrap {
  margin: 0;
  width: clamp(220px, 26vw, 360px);
  padding: 0;
  background: transparent;
  border: none;
}
.logo {
  width: 100%;
  height: auto;
  display: block;
  filter: sepia(0.6) saturate(3) hue-rotate(0deg) brightness(0.98);
  clip-path: inset(5%);
}
h1 {
  margin: 0.3rem 0 0.8rem;
  font-size: clamp(2.1rem, 6vw, 4.8rem);
  line-height: 0.95;
}
.lead {
  margin: 0;
  max-width: 72ch;
  color: var(--muted);
  font-size: 1.08rem;
}

.hero-row {
  display: block;
}

.hero-text {
  min-width: 0;
}

.header-logo {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 0.6rem;
}

.header-text {
  min-width: 0;
}

.logo-block {
  display: flex;
  align-items: center;
  justify-content: center;
}

.cta-row { display: flex; gap: 0.8rem; flex-wrap: wrap; margin-top: 1.25rem; }
.btn {
  text-decoration: none;
  font-weight: 700;
  border: 2px solid var(--ink);
  border-radius: 999px;
  padding: 0.66rem 1rem;
}
.btn.solid {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}
.btn.ghost {
  color: var(--ink);
  background: transparent;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 1.1rem;
  margin: 1rem 0;
}

h2 {
  margin: 0 0 0.5rem;
  font-size: 1.45rem;
}
h3 {
  margin: 0 0 0.35rem;
  font-size: 1.03rem;
}
p { margin: 0.35rem 0 0.6rem; }

.pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.8rem;
  margin-top: 0.6rem;
}

.card {
  background: #fff5e3;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0.8rem;
}

.concept-grid,
.examples-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.8rem;
}

.concept,
.example {
  background: #fff4de;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0.78rem;
  min-width: 0;
}

.pipeline {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr;
  gap: 0.5rem;
  align-items: center;
  margin: 0.6rem 0 0.8rem;
}

.stage {
  background: #fff4dc;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0.6rem;
  text-align: center;
}

.stage strong {
  display: block;
  font-size: 0.95rem;
}

.stage span {
  display: block;
  color: #434039;
  font-size: 0.9rem;
}

.arrow {
  font-weight: 700;
  color: var(--accent2);
}

.tab-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0.6rem 0 0.8rem;
}

.tab-btn {
  border: 1px solid var(--line);
  background: #fff1d6;
  color: #2b2823;
  border-radius: 999px;
  padding: 0.5rem 0.9rem;
  font-weight: 700;
  cursor: pointer;
}

.tab-btn.active {
  background: var(--accent2);
  border-color: var(--accent2);
  color: #f5feff;
}

.tab-panel {
  display: none;
  background: #fff3dc;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0.8rem;
}

.tab-panel.active {
  display: block;
}

.api-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 0.2rem;
}

.api-table th,
.api-table td {
  border: 1px solid var(--line);
  padding: 0.5rem 0.6rem;
  text-align: left;
  vertical-align: top;
}

.api-table th {
  background: #ffecc7;
}

.api-table td {
  background: #fff8e9;
}

.vm-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.8rem;
}

.vm-item {
  background: #fff2d8;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0.75rem;
}

.two-col {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.8rem;
}

.two-col > div {
  background: #fff4e0;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0.75rem;
}

pre {
  max-width: 100%;
  overflow-x: auto;
  margin: 0.55rem 0 0;
  padding: 0.9rem;
  border-radius: 10px;
  border: 1px solid #262524;
  background: var(--code-bg);
  color: #f2ede5;
}

code {
  font-family: "IBM Plex Mono", "Fira Code", monospace;
  font-size: 0.93rem;
}

pre code {
  display: block;
  width: max-content;
  min-width: 100%;
}

.tok-kw { color: #ff9f68; font-weight: 700; }
.tok-kw-strong { color: #a68bff; font-weight: 700; }
.tok-type { color: #8fd3ff; }
.tok-str { color: #ffe08a; }
.tok-num { color: #b8e97b; }
.tok-cmt { color: #9ea8b4; font-style: italic; }
.tok-op { color: #7fe2d7; }
.tok-fn { color: #86c9ff; }

a { color: #0e5663; }
.muted { color: var(--muted); }
.footer {
  padding: 2rem 0 2.8rem;
  color: var(--muted);
}

@media (max-width: 920px) {
  .pillars,
  .concept-grid,
  .examples-grid,
  .vm-grid,
  .two-col {
    grid-template-columns: 1fr;
  }

  .pipeline {
    grid-template-columns: 1fr;
  }

  .arrow {
    text-align: center;
  }
}

@media (max-width: 720px) {
  .hero { padding: 3.2rem 0 1.6rem; }
  h1 { font-size: clamp(1.9rem, 9vw, 3.4rem); }
  .lead { font-size: 1rem; }
  .cta-row { flex-direction: column; align-items: stretch; }
  .btn { text-align: center; width: 100%; }
  .header-logo { flex-direction: column; align-items: flex-start; }
  .logo-wrap { width: clamp(180px, 56vw, 280px); }
  .logo-block { justify-content: flex-start; }

  .panel { padding: 0.85rem; }
  pre { padding: 0.75rem; }
  code { font-size: 0.88rem; }

  .tab-bar { gap: 0.4rem; }
  .tab-btn { padding: 0.45rem 0.75rem; font-size: 0.92rem; }
}

@media (max-width: 520px) {
  .wrap { width: min(1120px, 94vw); }
  .eyebrow { letter-spacing: 0.08em; }
  h2 { font-size: 1.25rem; }
  h3 { font-size: 1rem; }

  .api-table {
    display: block;
    overflow-x: auto;
    border-radius: 8px;
  }

  .stage { padding: 0.5rem; }
  .stage strong { font-size: 0.9rem; }
  .stage span { font-size: 0.85rem; }

  pre { padding: 0.7rem; }
  code { font-size: 0.84rem; }
  pre code {
    width: 100%;
    min-width: 0;
    white-space: pre-wrap;
    word-break: break-word;
  }
}