/* ═══════════════════════════════════════════════════════════════
   datamend website — white & blue theme
   ═══════════════════════════════════════════════════════════════ */

/* ── Variables ──────────────────────────────────────────────── */
:root {
  --blue-50:  #eff6ff;
  --blue-100: #dbeafe;
  --blue-200: #bfdbfe;
  --blue-300: #93c5fd;
  --blue-400: #60a5fa;
  --blue-500: #3b82f6;
  --blue-600: #2563eb;
  --blue-700: #1d4ed8;
  --blue-800: #1e40af;
  --blue-900: #1e3a8a;
  --purple-500:#8b5cf6;
  --cyan-500:  #06b6d4;
  --green-500: #10b981;
  --gray-50:   #f9fafb;
  --gray-100:  #f3f4f6;
  --gray-200:  #e5e7eb;
  --gray-300:  #d1d5db;
  --gray-400:  #9ca3af;
  --gray-500:  #6b7280;
  --gray-600:  #4b5563;
  --gray-700:  #374151;
  --gray-800:  #1f2937;
  --gray-900:  #111827;
  --white:     #ffffff;
  --radius-sm: 8px;
  --radius:    12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,.08);
  --shadow:    0 4px 16px rgba(0,0,0,.08), 0 2px 6px rgba(0,0,0,.04);
  --shadow-lg: 0 12px 40px rgba(0,0,0,.10), 0 4px 12px rgba(0,0,0,.05);
  --shadow-xl: 0 24px 64px rgba(59,130,246,.15);
}

/* ── Reset ──────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: 'Inter', system-ui, sans-serif;
  color: var(--gray-800);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
img { max-width: 100%; display: block; }

/* ── Container ──────────────────────────────────────────────── */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ── Buttons ────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  transition: all .2s ease;
  border: 2px solid transparent;
  white-space: nowrap;
}
.btn-primary { background: var(--blue-600); color: var(--white); }
.btn-primary:hover { background: var(--blue-700); transform: translateY(-1px); box-shadow: var(--shadow-xl); }
.btn-outline { background: transparent; color: var(--blue-600); border-color: var(--blue-200); }
.btn-outline:hover { border-color: var(--blue-400); background: var(--blue-50); }
.btn-ghost { background: transparent; color: var(--gray-700); border-color: var(--gray-200); }
.btn-ghost:hover { background: var(--gray-50); border-color: var(--gray-300); }
.btn-white { background: var(--white); color: var(--blue-700); }
.btn-white:hover { background: var(--blue-50); transform: translateY(-1px); }
.btn-outline-white { background: transparent; color: var(--white); border-color: rgba(255,255,255,.4); }
.btn-outline-white:hover { border-color: rgba(255,255,255,.8); background: rgba(255,255,255,.1); }
.btn-lg { padding: 14px 28px; font-size: 16px; border-radius: var(--radius); }

/* ── NAV ────────────────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(255,255,255,.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--gray-100);
  transition: box-shadow .3s;
}
.nav.scrolled { box-shadow: var(--shadow); }
.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  gap: 28px;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 800;
  font-size: 18px;
  color: var(--blue-700);
  flex-shrink: 0;
}
.logo-icon { font-size: 20px; }
.nav-links {
  display: flex;
  gap: 24px;
  margin-left: auto;
}
.nav-links a {
  font-size: 14px;
  font-weight: 500;
  color: var(--gray-600);
  transition: color .2s;
  white-space: nowrap;
}
.nav-links a:hover { color: var(--blue-600); }
.nav-cta { margin-left: 12px; font-size: 13px; padding: 8px 16px; }
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  margin-left: auto;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--gray-700);
  border-radius: 2px;
}
.mobile-menu {
  display: none;
  flex-direction: column;
  padding: 16px 24px 20px;
  border-top: 1px solid var(--gray-100);
  gap: 16px;
}
.mobile-menu a {
  font-size: 15px;
  font-weight: 500;
  color: var(--gray-700);
}
.mobile-menu.open { display: flex; }

/* ── HERO ───────────────────────────────────────────────────── */
.hero {
  position: relative;
  padding: 140px 0 80px;
  overflow: hidden;
  background: linear-gradient(160deg, #f0f7ff 0%, #ffffff 50%, #f8faff 100%);
}
.hero-bg { position: absolute; inset: 0; pointer-events: none; }
.hero-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: .35;
}
.blob-1 { width: 600px; height: 600px; background: radial-gradient(circle, #bfdbfe, #93c5fd); top: -200px; right: -100px; }
.blob-2 { width: 400px; height: 400px; background: radial-gradient(circle, #ddd6fe, #c4b5fd); bottom: -100px; left: -50px; }
.blob-3 { width: 300px; height: 300px; background: radial-gradient(circle, #cffafe, #a5f3fc); top: 200px; left: 30%; opacity: .2; }
.hero-grid {
  position: absolute; inset: 0;
  background-image: linear-gradient(var(--blue-100) 1px, transparent 1px), linear-gradient(90deg, var(--blue-100) 1px, transparent 1px);
  background-size: 48px 48px;
  opacity: .35;
}
.hero-content { position: relative; z-index: 1; text-align: center; }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--blue-50);
  border: 1px solid var(--blue-200);
  color: var(--blue-700);
  padding: 6px 14px;
  border-radius: 100px;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 24px;
}
.badge-dot {
  width: 7px; height: 7px;
  background: var(--blue-500);
  border-radius: 50%;
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: .5; transform: scale(1.5); }
}
.hero-title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 900;
  line-height: 1.1;
  color: var(--gray-900);
  margin-bottom: 24px;
  letter-spacing: -.03em;
}
.gradient-text {
  background: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 50%, #06b6d4 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-sub {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--gray-600);
  max-width: 660px;
  margin: 0 auto 36px;
  line-height: 1.7;
}
.hero-cta-row {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 32px;
}
.hero-install { display: flex; justify-content: center; margin-bottom: 48px; }
.install-box {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--gray-900);
  color: var(--white);
  padding: 12px 20px;
  border-radius: var(--radius);
  font-family: 'JetBrains Mono', monospace;
  font-size: 14px;
  box-shadow: var(--shadow-lg);
}
.install-prompt { color: var(--blue-400); }
.copy-btn { background: none; border: none; color: var(--gray-400); cursor: pointer; padding: 2px; transition: color .2s; }
.copy-btn:hover { color: var(--white); }
.hero-stats {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 28px;
  flex-wrap: wrap;
}
.stat { text-align: center; }
.stat-num { display: block; font-size: 1.7rem; font-weight: 800; color: var(--blue-700); }
.stat-label { font-size: 11px; color: var(--gray-500); text-transform: uppercase; letter-spacing: .06em; }
.stat-divider { width: 1px; height: 32px; background: var(--gray-200); }

/* ── STACK BAR ──────────────────────────────────────────────── */
.stack-bar {
  padding: 24px 0;
  background: var(--white);
  border-bottom: 1px solid var(--gray-100);
}
.stack-label {
  text-align: center;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--gray-400);
  margin-bottom: 12px;
}
.stack-logos {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.stack-item {
  font-size: 14px;
  font-weight: 600;
  color: var(--gray-500);
}
.stack-sep { color: var(--gray-300); }

/* ── DEMO ───────────────────────────────────────────────────── */
.demo-section {
  padding: 80px 0;
  background: var(--white);
}
.demo-card {
  background: var(--gray-900);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  max-width: 800px;
  margin: 0 auto;
  border: 1px solid rgba(255,255,255,.05);
}
.demo-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 20px;
  background: #1a1a2e;
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.demo-dots { display: flex; gap: 6px; }
.dot { width: 12px; height: 12px; border-radius: 50%; }
.dot.red { background: #ef4444; }
.dot.yellow { background: #eab308; }
.dot.green { background: #22c55e; }
.demo-title-bar { color: var(--gray-500); font-size: 13px; }
.demo-code { padding: 28px 32px; overflow-x: auto; margin: 0; }
.demo-code code {
  font-family: 'JetBrains Mono', monospace;
  font-size: 13.5px;
  line-height: 1.9;
  color: #e2e8f0;
}
.kw { color: #93c5fd; }
.cls { color: #a5f3fc; }
.fn { color: #fde68a; }
.str { color: #86efac; }
.num { color: #fb923c; }
.comment { color: #64748b; font-style: italic; }

/* ── SECTION HEADER ─────────────────────────────────────────── */
.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 60px;
}
.section-eyebrow {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .14em;
  color: var(--blue-600);
  background: var(--blue-50);
  padding: 4px 12px;
  border-radius: 100px;
  margin-bottom: 16px;
  border: 1px solid var(--blue-100);
}
.section-header h2 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800;
  line-height: 1.2;
  color: var(--gray-900);
  margin-bottom: 16px;
  letter-spacing: -.02em;
}
.section-header p {
  font-size: 1.05rem;
  color: var(--gray-600);
  line-height: 1.7;
}

/* ── PILLARS ────────────────────────────────────────────────── */
.pillars {
  padding: 100px 0;
  background: var(--gray-50);
}
.pillars-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
  gap: 24px;
}
.pillar-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  box-shadow: var(--shadow);
  border: 1px solid var(--gray-100);
  transition: transform .25s, box-shadow .25s;
  position: relative;
  overflow: hidden;
}
.pillar-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--blue-500), var(--purple-500));
  opacity: 0;
  transition: opacity .25s;
}
.pillar-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.pillar-card:hover::before { opacity: 1; }
.pillar-num-badge {
  display: inline-block;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .12em;
  color: var(--gray-400);
  background: var(--gray-100);
  padding: 3px 8px;
  border-radius: 100px;
  margin-bottom: 16px;
}
.pillar-icon-wrap {
  width: 52px; height: 52px;
  border-radius: var(--radius-sm);
  background: color-mix(in srgb, var(--accent, var(--blue-600)) 12%, white);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
}
.pillar-icon {
  width: 26px; height: 26px;
  stroke: var(--accent, var(--blue-600));
}
.pillar-card h3 {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--gray-900);
  margin-bottom: 12px;
  letter-spacing: -.01em;
}
.pillar-desc {
  font-size: .95rem;
  color: var(--gray-600);
  line-height: 1.65;
  margin-bottom: 20px;
}
.pillar-features {
  display: flex;
  flex-direction: column;
  gap: 9px;
  margin-bottom: 24px;
}
.pillar-features li {
  font-size: .875rem;
  color: var(--gray-600);
  padding-left: 20px;
  position: relative;
  line-height: 1.5;
}
.pillar-features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--blue-500);
  font-weight: 700;
  font-size: .75rem;
  top: 2px;
}
.pillar-code-wrap { margin-top: auto; }
.pillar-code-label {
  display: block;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--gray-400);
  margin-bottom: 6px;
}
.pillar-code {
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  overflow-x: auto;
}
.pillar-code code {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  color: var(--blue-700);
  white-space: nowrap;
}

/* ── HOW IT WORKS ───────────────────────────────────────────── */
.how-it-works {
  padding: 100px 0;
  background: var(--white);
}
.pipeline-visual {
  display: flex;
  align-items: flex-start;
  gap: 4px;
  margin-bottom: 64px;
  overflow-x: auto;
  padding-bottom: 16px;
}
.pipeline-step { flex: 1; min-width: 120px; text-align: center; }
.step-circle {
  width: 52px; height: 52px;
  border-radius: 50%;
  background: var(--blue-600);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 20px;
  margin: 0 auto 12px;
}
.step-circle-gray { background: var(--gray-400); box-shadow: 0 0 0 4px var(--gray-100); }
.step-circle-gradient { background: linear-gradient(135deg, #3b82f6, #8b5cf6); box-shadow: 0 0 0 4px #ede9fe; }
.step-content h4 { font-size: .9rem; font-weight: 700; color: var(--gray-800); margin-bottom: 6px; }
.step-content p { font-size: .78rem; color: var(--gray-500); line-height: 1.5; }
.pipeline-arrow {
  font-size: 22px;
  color: var(--blue-300);
  align-self: center;
  flex-shrink: 0;
  padding-bottom: 44px;
}

.code-example {
  background: var(--gray-900);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(255,255,255,.04);
}
.code-tabs {
  display: flex;
  gap: 2px;
  padding: 14px 20px 0;
  background: #1a1a2e;
  border-bottom: 1px solid rgba(255,255,255,.06);
  flex-wrap: wrap;
}
.tab {
  padding: 8px 14px;
  border: none;
  background: none;
  color: var(--gray-400);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  border-radius: 6px 6px 0 0;
  transition: all .2s;
  font-family: 'Inter', sans-serif;
}
.tab:hover { color: var(--white); }
.tab.active { color: var(--blue-400); border-bottom-color: var(--blue-400); background: rgba(59,130,246,.08); }
.tab-content { display: none; padding: 28px 32px; overflow-x: auto; }
.tab-content.active { display: block; }
.tab-content pre { margin: 0; }
.tab-content code {
  font-family: 'JetBrains Mono', monospace;
  font-size: 13.5px;
  line-height: 1.9;
  color: #e2e8f0;
}

/* ── DOCUMENTATION ──────────────────────────────────────────── */
.docs-section {
  padding: 100px 0;
  background: var(--gray-50);
}
.docs-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.doc-block {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid var(--gray-100);
}
.doc-block-full {
  grid-column: 1 / -1;
}
.doc-block-header {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px 24px;
  background: color-mix(in srgb, var(--accent, #3b82f6) 7%, white);
  border-bottom: 1px solid color-mix(in srgb, var(--accent, #3b82f6) 15%, white);
}
.doc-block-icon {
  font-size: 28px;
  line-height: 1;
}
.doc-block-header h3 {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--gray-900);
  margin-bottom: 2px;
}
.doc-block-header > div > p {
  font-size: .8rem;
  color: var(--gray-500);
  font-family: 'JetBrains Mono', monospace;
}
.doc-block-content {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.doc-block-content h4 {
  font-size: .95rem;
  font-weight: 700;
  color: var(--gray-800);
  margin-bottom: 10px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--gray-100);
}
.doc-intro {
  font-size: .9rem;
  color: var(--gray-600);
  line-height: 1.65;
}
.api-signature {
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  overflow-x: auto;
}
.api-signature code {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12.5px;
  color: var(--blue-700);
}
.param-table { display: flex; flex-direction: column; gap: 10px; }
.param-row {
  display: grid;
  grid-template-columns: auto 60px 1fr;
  gap: 10px;
  align-items: start;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--gray-100);
  font-size: .875rem;
}
.param-row:last-child { border-bottom: none; }
.param-name {
  font-family: 'JetBrains Mono', monospace;
  color: var(--blue-700);
  font-weight: 600;
  font-size: .8rem;
}
.param-type {
  font-family: 'JetBrains Mono', monospace;
  color: var(--purple-500);
  font-size: .75rem;
  font-weight: 500;
}
.param-desc { color: var(--gray-600); line-height: 1.5; }
.param-desc code {
  font-family: 'JetBrains Mono', monospace;
  background: var(--gray-100);
  padding: 1px 5px;
  border-radius: 3px;
  font-size: .8em;
  color: var(--blue-700);
}
.method-list { display: flex; flex-direction: column; gap: 14px; }
.method-item {
  background: var(--gray-50);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  border-left: 3px solid var(--blue-400);
}
.method-sig {
  display: block;
  font-family: 'JetBrains Mono', monospace;
  font-size: .8rem;
  color: var(--blue-700);
  margin-bottom: 6px;
}
.method-item > p { font-size: .85rem; color: var(--gray-600); line-height: 1.5; }
.fields-table { display: flex; flex-direction: column; gap: 6px; }
.field-row {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 12px;
  font-size: .875rem;
  align-items: center;
  padding: 6px 0;
  border-bottom: 1px solid var(--gray-100);
}
.field-row:last-child { border-bottom: none; }
.field-row code {
  font-family: 'JetBrains Mono', monospace;
  color: var(--blue-700);
  font-size: .78rem;
  font-weight: 600;
}
.field-row span { color: var(--gray-600); }
.checks-list { display: flex; flex-direction: column; gap: 8px; }
.check-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: .875rem;
  color: var(--gray-700);
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  background: var(--gray-50);
}
.check-badge {
  font-size: .7rem;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 100px;
  white-space: nowrap;
}
.check-item.critical .check-badge { background: #fee2e2; color: #991b1b; }
.check-item.high .check-badge { background: #ffedd5; color: #9a3412; }
.check-item.medium .check-badge { background: #fef9c3; color: #854d0e; }
.check-item.low .check-badge { background: #f0fdf4; color: #166534; }
.algo-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.algo-card {
  background: var(--gray-50);
  border-radius: var(--radius-sm);
  padding: 14px;
  border: 1px solid var(--gray-200);
}
.algo-name {
  display: inline-block;
  font-size: .75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--blue-600);
  margin-bottom: 8px;
}
.algo-card > p { font-size: .8rem; color: var(--gray-600); line-height: 1.5; margin-bottom: 10px; }
.algo-formula code {
  font-family: 'JetBrains Mono', monospace;
  font-size: .75rem;
  color: var(--blue-700);
  background: var(--blue-50);
  padding: 4px 8px;
  border-radius: 4px;
  display: block;
}
.formula-block {
  background: var(--blue-50);
  border: 1px solid var(--blue-100);
  border-radius: var(--radius-sm);
  padding: 16px 18px;
}
.formula-line {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  font-family: 'JetBrains Mono', monospace;
  font-size: .8rem;
}
.formula-line.flex-col { flex-direction: column; align-items: flex-start; gap: 4px; }
.formula-line code { color: var(--blue-800); display: block; }
.formula-coef { color: var(--blue-800); font-weight: 700; }
.formula-eq { color: var(--gray-500); }
.formula-term { color: var(--blue-700); }
.formula-op { color: var(--gray-500); }
.formula-note {
  font-size: .78rem;
  color: var(--gray-500);
  line-height: 1.6;
  margin-top: 10px;
  font-family: 'Inter', sans-serif;
}
.doc-example {
  background: var(--gray-900);
  border-radius: var(--radius-sm);
  overflow: hidden;
}
.doc-example-label {
  display: block;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--gray-500);
  padding: 8px 14px;
  background: #1a1a2e;
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.doc-example pre { padding: 16px; overflow-x: auto; }
.doc-example code {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12.5px;
  line-height: 1.8;
  color: #e2e8f0;
}
.pipeline-params-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

/* ── MENDSCORE ──────────────────────────────────────────────── */
.mendscore-section {
  padding: 100px 0;
  background: var(--blue-50);
  border-top: 1px solid var(--blue-100);
  border-bottom: 1px solid var(--blue-100);
}
.mendscore-inner {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 64px;
  align-items: center;
}
.mendscore-text h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 800;
  color: var(--gray-900);
  margin: 14px 0;
  letter-spacing: -.02em;
}
.mendscore-text > p {
  font-size: 1rem;
  color: var(--gray-600);
  line-height: 1.7;
  margin-bottom: 28px;
}
.score-formula { display: flex; flex-direction: column; gap: 12px; margin-bottom: 28px; }
.formula-row {
  display: flex;
  align-items: center;
  gap: 12px;
}
.formula-weight {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  font-weight: 700;
  color: var(--gray-500);
  width: 32px;
  text-align: right;
  flex-shrink: 0;
}
.formula-bar-wrap {
  flex: 1;
  height: 8px;
  background: var(--gray-200);
  border-radius: 4px;
  overflow: hidden;
}
.formula-bar {
  display: block;
  height: 100%;
  border-radius: 4px;
}
.formula-name { font-size: 13px; color: var(--gray-600); white-space: nowrap; }
.score-grade-table { display: flex; flex-direction: column; gap: 8px; }
.grade-row {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: .875rem;
  color: var(--gray-600);
}
.grade-badge {
  font-size: .75rem;
  font-weight: 700;
  font-family: 'JetBrains Mono', monospace;
  padding: 3px 10px;
  border-radius: 100px;
  white-space: nowrap;
}
.score-ring-wrap {
  position: relative;
  width: 200px; height: 200px;
  margin: 0 auto 16px;
}
.score-ring { width: 100%; height: 100%; transform: rotate(-90deg); }
.ring-bg { fill: none; stroke: var(--blue-100); stroke-width: 16; }
.ring-fill {
  fill: none;
  stroke: url(#ringGrad);
  stroke-width: 16;
  stroke-linecap: round;
  stroke-dasharray: 502;
  stroke-dashoffset: 502;
  transition: stroke-dashoffset 1.8s cubic-bezier(.22,1,.36,1);
}
.score-center {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
}
.score-value { display: block; font-size: 3rem; font-weight: 900; color: var(--blue-700); line-height: 1; }
.score-label { font-size: .9rem; color: var(--gray-400); }
.score-subtitle { text-align: center; font-size: .8rem; color: var(--gray-500); margin-bottom: 20px; }
.score-comparison { display: flex; flex-direction: column; gap: 10px; }
.score-comp-row {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: .8rem;
  color: var(--gray-600);
}
.score-comp-row > span:first-child { width: 80px; flex-shrink: 0; }
.comp-bar-wrap { flex: 1; height: 8px; background: var(--gray-200); border-radius: 4px; overflow: hidden; }
.comp-bar { height: 100%; border-radius: 4px; }
.comp-bar-before { background: #fca5a5; }
.comp-bar-after { background: var(--blue-500); }
.comp-val { font-family: 'JetBrains Mono', monospace; font-weight: 700; color: var(--blue-700); font-size: .8rem; }

/* ── BENCHMARK ──────────────────────────────────────────────── */
.benchmark { padding: 100px 0; background: var(--white); }
.benchmark-table-wrap {
  overflow-x: auto;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--gray-100);
}
.benchmark-table { width: 100%; border-collapse: collapse; font-size: .9rem; }
.benchmark-table th {
  background: var(--gray-900);
  color: var(--white);
  padding: 14px 18px;
  text-align: left;
  font-weight: 600;
  font-size: .85rem;
  white-space: nowrap;
}
.highlight-col { background: rgba(59,130,246,.07); color: var(--blue-700); }
th.highlight-col { background: var(--blue-700); color: var(--white); }
.benchmark-table td { padding: 13px 18px; border-bottom: 1px solid var(--gray-100); color: var(--gray-600); }
.benchmark-table tr:hover td { background: var(--gray-50); }
.benchmark-table tr:last-child td { border-bottom: none; }
.total-row td { background: var(--gray-50) !important; font-weight: 600; }
.win { color: var(--blue-700); font-weight: 700; font-family: 'JetBrains Mono', monospace; }
.benchmark-note { margin-top: 20px; font-size: .875rem; color: var(--gray-500); line-height: 1.6; }

/* ── COMPARISON ─────────────────────────────────────────────── */
.comparison-section { padding: 100px 0; background: var(--gray-50); }
.comparison-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
  margin-bottom: 48px;
}
.vs-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  box-shadow: var(--shadow);
  border: 1px solid var(--gray-100);
  transition: transform .25s, box-shadow .25s;
}
.vs-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.vs-header { display: flex; align-items: center; gap: 8px; margin-bottom: 14px; flex-wrap: wrap; }
.vs-tool { font-size: .8rem; font-weight: 700; color: var(--gray-500); background: var(--gray-100); padding: 4px 10px; border-radius: 100px; }
.vs-vs { font-size: .7rem; color: var(--gray-400); }
.vs-dm { font-size: .8rem; font-weight: 700; color: var(--blue-600); background: var(--blue-50); padding: 4px 10px; border-radius: 100px; border: 1px solid var(--blue-100); }
.vs-card > p { font-size: .875rem; color: var(--gray-600); line-height: 1.65; margin-bottom: 16px; }
.vs-wins { display: flex; flex-wrap: wrap; gap: 6px; }
.win-tag { font-size: .75rem; font-weight: 600; background: var(--blue-50); color: var(--blue-700); padding: 3px 8px; border-radius: 100px; border: 1px solid var(--blue-100); }

/* Feature matrix */
.feature-matrix h3 { font-size: 1.4rem; font-weight: 800; color: var(--gray-900); margin-bottom: 20px; }
.matrix-wrap {
  overflow-x: auto;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  border: 1px solid var(--gray-100);
}
.matrix-table { width: 100%; border-collapse: collapse; font-size: .875rem; }
.matrix-table th {
  background: var(--gray-800);
  color: var(--white);
  padding: 12px 16px;
  text-align: center;
  font-size: .8rem;
  font-weight: 600;
  white-space: nowrap;
}
.matrix-table th:first-child { text-align: left; }
.dm-col { background: rgba(59,130,246,.07); }
th.dm-col { background: var(--blue-700) !important; }
.matrix-table td { padding: 10px 16px; border-bottom: 1px solid var(--gray-100); text-align: center; color: var(--gray-600); }
.matrix-table td:first-child { text-align: left; color: var(--gray-700); font-weight: 500; }
.matrix-table tr:hover td { background: var(--gray-50); }
.matrix-table tr:last-child td { border-bottom: none; font-family: 'JetBrains Mono', monospace; font-weight: 700; }
td.dm-col { font-weight: 700; color: var(--blue-700); }

/* ── INTEGRATIONS ───────────────────────────────────────────── */
.integrations { padding: 100px 0; background: var(--white); }
.integrations-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 20px; }
.integration-card {
  background: var(--gray-50);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius-lg);
  padding: 24px 20px;
  transition: transform .25s, box-shadow .25s;
}
.integration-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); background: var(--white); }
.integration-logo {
  font-size: .8rem;
  font-weight: 800;
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  display: inline-block;
  margin-bottom: 14px;
  letter-spacing: .02em;
}
.mlflow-logo { background: #0194e2; color: white; }
.wandb-logo { background: #ffbe00; color: #1a1a1a; }
.dvc-logo { background: #945dd6; color: white; }
.sklearn-logo { background: #f89939; color: white; }
.xgb-logo { background: #1f8dd6; color: white; }
.torch-logo { background: #ee4c2c; color: white; }
.integration-card h4 { font-size: 1rem; font-weight: 700; color: var(--gray-800); margin-bottom: 8px; }
.integration-card p { font-size: .83rem; color: var(--gray-500); line-height: 1.6; margin-bottom: 14px; }
.integration-card pre { background: var(--gray-900); padding: 10px 12px; border-radius: var(--radius-sm); overflow: hidden; }
.integration-card code { font-family: 'JetBrains Mono', monospace; font-size: 11px; color: #86efac; }

/* ── CTA ────────────────────────────────────────────────────── */
.cta-section { padding: 80px 0; background: var(--gray-50); }
.cta-card {
  position: relative;
  background: linear-gradient(135deg, var(--blue-700), var(--blue-900));
  border-radius: var(--radius-xl);
  padding: 72px 48px;
  text-align: center;
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}
.cta-bg { position: absolute; inset: 0; pointer-events: none; }
.cta-blob { position: absolute; border-radius: 50%; filter: blur(60px); opacity: .3; }
.cta-blob-1 { width: 400px; height: 400px; background: #93c5fd; top: -150px; right: -100px; }
.cta-blob-2 { width: 300px; height: 300px; background: #c4b5fd; bottom: -100px; left: -50px; }
.cta-content { position: relative; z-index: 1; }
.cta-content h2 { font-size: clamp(1.6rem, 3.5vw, 2.5rem); font-weight: 800; color: var(--white); margin-bottom: 14px; }
.cta-content > p { font-size: 1.05rem; color: rgba(255,255,255,.75); margin-bottom: 28px; }
.cta-install {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.2);
  color: var(--white);
  padding: 10px 20px;
  border-radius: var(--radius);
  font-family: 'JetBrains Mono', monospace;
  font-size: 14px;
  margin-bottom: 28px;
}
.cta-install .install-prompt { color: #93c5fd; }
.cta-btns { display: flex; justify-content: center; gap: 14px; flex-wrap: wrap; }

/* ── FOOTER ─────────────────────────────────────────────────── */
.footer { background: var(--gray-900); color: var(--gray-400); padding: 64px 0 32px; }
.footer-inner { display: grid; grid-template-columns: 2fr 1fr; gap: 48px; margin-bottom: 48px; }
.footer-logo-row { display: flex; align-items: center; gap: 8px; margin-bottom: 12px; }
.footer-name { font-size: 1.3rem; font-weight: 800; color: var(--white); }
.footer-brand .logo-icon { color: var(--blue-400); font-size: 1.4rem; }
.footer-tagline { font-size: .875rem; color: var(--gray-400); line-height: 1.6; margin-bottom: 14px; }
.footer-badges { display: flex; gap: 8px; flex-wrap: wrap; }
.footer-badge { font-size: .75rem; font-weight: 600; background: rgba(255,255,255,.08); color: var(--gray-300); padding: 3px 10px; border-radius: 100px; border: 1px solid rgba(255,255,255,.1); }
.footer-links { display: flex; gap: 40px; }
.footer-col { display: flex; flex-direction: column; gap: 10px; }
.footer-col h5 { font-size: .75rem; font-weight: 700; text-transform: uppercase; letter-spacing: .12em; color: var(--gray-500); margin-bottom: 4px; }
.footer-col a { font-size: .875rem; color: var(--gray-400); transition: color .2s; }
.footer-col a:hover { color: var(--white); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.06); padding-top: 24px; text-align: center; font-size: .85rem; color: var(--gray-500); }
.footer-bottom a { color: var(--blue-400); }
.footer-bottom a:hover { color: var(--blue-300); }

/* ── Responsive ─────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .docs-grid { grid-template-columns: 1fr; }
  .pipeline-params-grid { grid-template-columns: 1fr; }
  .algo-cards { grid-template-columns: 1fr; }
}

@media (max-width: 900px) {
  .nav-links, .nav-cta { display: none; }
  .hamburger { display: flex; }
  .mendscore-inner { grid-template-columns: 1fr; gap: 40px; text-align: center; }
  .mendscore-visual { margin: 0 auto; }
  .footer-inner { grid-template-columns: 1fr; gap: 32px; }
  .footer-links { gap: 28px; flex-wrap: wrap; }
  .pipeline-visual { flex-wrap: wrap; justify-content: center; }
  .pipeline-arrow { transform: rotate(90deg); }
  .score-comp-row > span:first-child { width: 64px; }
}

@media (max-width: 640px) {
  .hero { padding: 120px 0 60px; }
  .hero-stats { gap: 14px; }
  .stat-divider { display: none; }
  .stat-num { font-size: 1.4rem; }
  .pillars, .how-it-works, .benchmark, .comparison-section,
  .integrations, .mendscore-section, .docs-section { padding: 64px 0; }
  .cta-card { padding: 40px 24px; }
  .demo-code, .tab-content { padding: 18px 14px; }
  .doc-block-content { padding: 18px; }
  .param-row { grid-template-columns: 1fr; }
}

/* ── Intersection reveal ────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .6s ease, transform .6s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}