/* ── Reset & Base ── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

/* ── Scrollbars ── */
.code-body::-webkit-scrollbar {
  height: 6px;
}

.code-body::-webkit-scrollbar-track {
  background: transparent;
}

.code-body::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.15);
  border-radius: 3px;
}

.code-body::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.3);
}

.code-body {
  scrollbar-width: thin;
  scrollbar-color: rgba(255, 255, 255, 0.15) transparent;
}

:root {
  --bg: #060608;
  --bg-raised: #0c0c10;
  --bg-card: #111117;
  --bg-card-hover: #16161e;
  --border: #1a1a24;
  --border-light: #2a2a3a;
  --text: #e8e8ed;
  --text-secondary: #8888a0;
  --text-dim: #55556a;
  --accent: #e8e8ed;
  --accent-glow: rgba(255, 255, 255, 0.06);
  --accent-warm: #e8e8ed;
  --accent-green: #e8e8ed;
  --accent-violet: #e8e8ed;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', 'Fira Code', monospace;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}

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

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

.container--narrow {
  max-width: 800px;
}

section {
  padding: 140px 0;
  position: relative;
}

/* ── Reveal Animation ── */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-line {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-line.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── Header ── */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 20px 0;
  transition: background 0.3s ease, backdrop-filter 0.3s ease;
}

.header.scrolled {
  background: rgba(6, 6, 8, 0.85);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-mark {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  flex-shrink: 0;
}

.nav {
  display: flex;
  align-items: center;
  gap: 36px;
}

.nav a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 14px;
  font-weight: 400;
  transition: color 0.2s ease;
}

.nav a:hover {
  color: var(--text);
}

.nav-cta {
  background: var(--text);
  color: var(--bg) !important;
  padding: 8px 20px;
  border-radius: 6px;
  font-weight: 500;
  transition: opacity 0.2s ease !important;
}

.nav-cta:hover {
  opacity: 0.85;
  color: var(--bg) !important;
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text);
  cursor: pointer;
  padding: 4px;
}

.mobile-toggle svg {
  width: 24px;
  height: 24px;
}

/* ── Hero ── */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 100px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -200px;
  right: -200px;
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.hero-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-bottom: 16px;
}

.hero-logo span {
  font-size: 56px;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text);
}

.hero h1 {
  font-size: clamp(36px, 5vw, 64px);
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 1.05;
  margin-bottom: 28px;
}

.hero h1 .line {
  display: block;
}

.hero h1 .accent {
  color: var(--text);
}

.hero-description {
  font-size: 18px;
  line-height: 1.7;
  color: var(--text-secondary);
  max-width: 640px;
  margin: 0 auto 48px;
}

.hero-actions {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 500;
  text-decoration: none;
  transition: all 0.2s ease;
  cursor: pointer;
  border: none;
  font-family: var(--font-sans);
}

.btn-primary {
  background: var(--text);
  color: var(--bg);
}

.btn-primary:hover {
  opacity: 0.85;
  transform: translateY(-1px);
}

.btn-secondary {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border-light);
}

.btn-secondary:hover {
  border-color: var(--text-secondary);
  transform: translateY(-1px);
}

.btn svg {
  width: 16px;
  height: 16px;
}

/* ── Stats Bar ── */
.stats-bar {
  padding: 60px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 48px;
}

.stat {
  text-align: center;
}

.stat-value {
  font-size: 48px;
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1;
  margin-bottom: 8px;
}

.stat-value--accent { color: var(--accent); }
.stat-value--warm { color: var(--accent-warm); }
.stat-value--green { color: var(--accent-green); }
.stat-value--violet { color: var(--accent-violet); }

.stat-label {
  font-size: 14px;
  color: var(--text-secondary);
  font-weight: 400;
}

/* ── Section Labels ── */

.section-label {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 20px;
}

.section-title {
  font-size: clamp(32px, 4vw, 52px);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 24px;
}

.section-body {
  font-size: 17px;
  line-height: 1.8;
  color: var(--text-secondary);
  max-width: 640px;
}

.section-body p + p {
  margin-top: 20px;
}

.section-body strong {
  color: var(--text);
  font-weight: 500;
}

/* ── Comparison Visual ── */
.comparison {
  margin-top: 80px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.comparison > * {
  min-width: 0;
}

.comparison-card {
  background: transparent;
  border: none;
  border-top: 1px solid var(--border);
  border-radius: 0;
  padding: 32px 0;
  position: relative;
}

.comparison-card::before {
  content: '';
  position: absolute;
  top: -1px;
  left: 0;
  width: 40px;
  height: 1px;
}

.comparison-card:first-child::before {
  background: #45b88c;
}

.comparison-card:last-child::before {
  background: #3b9dd6;
}

.comparison-card:hover {
}

.comparison-card--problem {
  opacity: 0.7;
}

.comparison-card--solution {
  border-color: var(--border);
  background: transparent;
}

.comparison-card h3 {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.comparison-card h3 .tag {
  font-size: 10px;
  font-weight: 600;
  padding: 2px 7px;
  border-radius: 0;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.tag--red {
  background: rgba(255, 255, 255, 0.06);
  color: var(--accent-warm);
}

.tag--green {
  background: rgba(124, 108, 246, 0.12);
  color: #7c6cf6;
}

.comparison-card p {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 24px;
  line-height: 1.6;
}

.comparison-steps {
  list-style: none;
  counter-reset: step;
}

.comparison-steps li {
  counter-increment: step;
  font-size: 14px;
  color: var(--text-secondary);
  padding: 10px 0;
  padding-left: 36px;
  position: relative;
  border-bottom: 1px solid var(--border);
}

.comparison-steps li:last-child {
  border-bottom: none;
}

.comparison-steps li::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: 10px;
  width: 22px;
  height: 22px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 0;
  font-size: 11px;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-dim);
}

.comparison-card--solution .comparison-steps li::before {
  border-color: var(--accent);
  color: var(--accent);
  background: transparent;
}

.comparison-card .code-block {
  border-radius: 0;
}

/* ── Pillars ── */
.pillars-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  margin-top: 80px;
}

.pillar {
  padding: 32px 32px 32px 0;
  border-top: 1px solid var(--border);
  position: relative;
}

.pillar::before {
  content: '';
  position: absolute;
  top: -1px;
  left: 0;
  width: 48px;
  height: 1px;
  background: var(--text);
}

.pillar:not(:first-child) {
  margin-left: 32px;
}

.pillar-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  color: var(--text-dim);
  margin-bottom: 16px;
}

.pillar h3 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}

.pillar p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ── Performance ── */
.perf-section {
  background: var(--bg-raised);
}

.perf-chart {
  margin-top: 60px;
}

.perf-bar-row {
  display: grid;
  grid-template-columns: 140px 1fr 110px;
  align-items: center;
  gap: 20px;
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
}

.perf-bar-row:last-child {
  border-bottom: none;
}

.perf-bar-label {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
}

.perf-bar-label--highlight {
  color: var(--accent);
  font-weight: 600;
}

.perf-bar-track {
  height: 32px;
  background: var(--bg-card);
  overflow: hidden;
  position: relative;
}

.perf-bar-fill {
  height: 100%;
  transition: width 1.2s cubic-bezier(0.16, 1, 0.3, 1);
  width: 0;
}

.perf-bar-fill.animated {
  /* width set inline */
}

.perf-bar-fill--layerscale { background: #7c6cf6; }
.perf-bar-fill--sglang    { background: linear-gradient(90deg, transparent, #e6913e); }
.perf-bar-fill--vllm      { background: linear-gradient(90deg, transparent, #45b88c); }
.perf-bar-fill--trtllm    { background: linear-gradient(90deg, transparent, #d65f5f); }
.perf-bar-fill--llamacpp  { background: linear-gradient(90deg, transparent, #3b9dd6); }
.perf-bar-fill--gpt52     { background: linear-gradient(90deg, transparent, #e84393); }
.perf-bar-fill--gpt4o     { background: linear-gradient(90deg, transparent, #e6913e); }
.perf-bar-fill--opus      { background: linear-gradient(90deg, transparent, #00bcd4); }

.perf-bar-fill--cloud {
  position: relative;
}

.perf-bar-fill--cloud::after {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    -45deg,
    transparent,
    transparent 3px,
    rgba(0, 0, 0, 0.3) 3px,
    rgba(0, 0, 0, 0.3) 5px
  );
}

.perf-bar-value {
  font-size: 14px;
  font-family: var(--font-mono);
  color: var(--text-dim);
  text-align: right;
  white-space: nowrap;
}

.perf-bar-value--highlight {
  color: #7c6cf6;
  font-weight: 500;
}

.perf-mult {
  font-size: 11px;
  color: var(--text-dim);
  opacity: 0.7;
  margin-left: 2px;
}

.perf-legend {
  display: flex;
  gap: 24px;
  margin-top: 20px;
  font-size: 13px;
  color: var(--text-secondary);
}

.perf-legend-item {
  display: flex;
  align-items: center;
  gap: 8px;
}

.perf-legend-swatch {
  width: 20px;
  height: 12px;
  border-radius: 3px;
}

.perf-legend-swatch--local {
  background: var(--border-light);
}

.perf-legend-swatch--cloud {
  background-color: var(--border-light);
  background-image: repeating-linear-gradient(
    -45deg,
    transparent,
    transparent 2px,
    rgba(0, 0, 0, 0.4) 2px,
    rgba(0, 0, 0, 0.4) 3.5px
  );
}

.perf-footnote {
  margin-top: 32px;
  font-size: 13px;
  color: var(--text-dim);
  font-style: italic;
}

/* ── Line Chart ── */
.line-chart-wrapper {
  position: relative;
}

.chart-legend {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 20px;
  margin-top: 16px;
  font-size: 13px;
  color: var(--text-secondary);
}

.chart-legend-item {
  display: flex;
  align-items: center;
  gap: 8px;
}

.chart-legend-line {
  display: inline-block;
  width: 20px;
  height: 2px;
  border-radius: 1px;
}


/* ── Use Cases ── */
.usecases-compact {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 60px;
}

.usecase-item {
  text-align: left;
  padding: 28px 0 28px 0;
  background: transparent;
  border: none;
  border-top: 1px solid var(--border);
  border-radius: 0;
  position: relative;
}

.usecase-item::before {
  content: '';
  position: absolute;
  top: -1px;
  left: 0;
  width: 32px;
  height: 1px;
}

.usecase-item:nth-child(1)::before { background: #7c6cf6; }
.usecase-item:nth-child(2)::before { background: #45b88c; }
.usecase-item:nth-child(3)::before { background: #e6913e; }
.usecase-item:nth-child(4)::before { background: #3b9dd6; }

.usecase-item .usecase-icon {
  display: none;
}

.usecase-item h3 {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 10px;
}

.usecase-item:nth-child(1) h3 { color: #7c6cf6; }
.usecase-item:nth-child(2) h3 { color: #45b88c; }
.usecase-item:nth-child(3) h3 { color: #e6913e; }
.usecase-item:nth-child(4) h3 { color: #3b9dd6; }

.usecase-item p {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ── API Section ── */
.api-section {
  background: var(--bg-raised);
}

.api-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  min-width: 0;
}

.api-layout > * {
  min-width: 0;
  align-items: start;
  margin-top: 60px;
}

.api-info h3 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 16px;
}

.api-info p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 32px;
}

.api-endpoints {
  list-style: none;
}

.api-endpoints li {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
}

.api-endpoints li:last-child {
  border-bottom: none;
}

.api-method {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: 4px;
  background: rgba(0, 212, 255, 0.1);
  color: #00d4ff;
  flex-shrink: 0;
}

.api-method--get {
  background: rgba(0, 232, 143, 0.1);
  color: #00e88f;
}

.api-path {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text);
}

.api-desc {
  color: var(--text-dim);
  font-size: 13px;
  margin-left: auto;
  flex-shrink: 0;
}

.code-block {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  min-width: 0;
  max-width: 100%;
}

.code-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 20px;
  border-bottom: 1px solid var(--border);
  background: rgba(0, 0, 0, 0.2);
}

.code-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--border-light);
}

.code-dot:nth-child(1) { background: #555566; }
.code-dot:nth-child(2) { background: #444455; }
.code-dot:nth-child(3) { background: #333344; }

.code-title {
  margin-left: 8px;
  font-size: 12px;
  color: var(--text-dim);
  font-family: var(--font-mono);
}

.code-body {
  padding: 24px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.code-body pre {
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.8;
  min-width: 0;
  color: var(--text-secondary);
}

.code-body .comment { color: var(--text-dim); }
.code-body .string { color: #00e88f; }
.code-body .keyword { color: #a78bfa; }
.code-body .flag { color: #ff6b35; }
.code-body .url { color: #00d4ff; }
.code-body .func { color: #00d4ff; }
.code-body .number { color: #ff6b35; }
.code-body .type { color: #a78bfa; font-style: italic; }
.code-body .prop { color: #e2e2e8; }

/* ── Code Tabs ── */
.code-tabs {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--border);
  padding: 0 24px;
  background: rgba(255,255,255,0.02);
}

.code-tab {
  background: none;
  border: none;
  color: var(--text-dim);
  font-family: var(--font-mono);
  font-size: 13px;
  padding: 12px 16px;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: color 0.2s, border-color 0.2s;
}

.code-tab:hover { color: var(--text-secondary); }
.code-tab.active { color: var(--text); border-bottom-color: var(--accent); }

.code-panel { display: none; }
.code-panel.active { display: block; }

/* ── FAQ ── */
.faq-list {
  margin-top: 60px;
  max-width: 760px;
}

.faq-item {
  border-bottom: 1px solid var(--border);
}

.faq-question {
  width: 100%;
  background: none;
  border: none;
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 17px;
  font-weight: 500;
  text-align: left;
  padding: 24px 0;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  transition: color 0.2s ease;
}

.faq-question:hover {
  color: var(--accent);
}

.faq-icon {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  transition: transform 0.3s ease;
  color: var(--text-dim);
}

.faq-item.open .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.faq-answer-inner {
  padding-bottom: 24px;
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ── Footer CTA ── */
.footer-cta {
  text-align: center;
  padding: 140px 0;
  position: relative;
  overflow: hidden;
}

.footer-cta::before {
  content: '';
  position: absolute;
  bottom: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 1000px;
  height: 600px;
  background: radial-gradient(ellipse, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
}

.footer-cta .section-title {
  max-width: 600px;
  margin: 0 auto 16px;
}

.footer-cta .section-body {
  max-width: 480px;
  margin: 0 auto 40px;
  text-align: center;
}

.footer-cta-actions {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* ── Footer ── */
.footer {
  border-top: 1px solid var(--border);
  padding: 60px 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
}

.footer-brand p {
  font-size: 14px;
  color: var(--text-dim);
  line-height: 1.7;
  margin-top: 16px;
  max-width: 280px;
}

.footer-col h4 {
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-secondary);
  margin-bottom: 20px;
}

.footer-col a {
  display: block;
  font-size: 14px;
  color: var(--text-dim);
  text-decoration: none;
  padding: 5px 0;
  transition: color 0.2s ease;
}

.footer-col a:hover {
  color: var(--text);
}

.footer-bottom {
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  font-size: 13px;
  color: var(--text-dim);
}

/* ── Privacy Policy ── */
.privacy-section {
  padding: 160px 0 100px;
}

.privacy-header {
  margin-bottom: 60px;
}

.privacy-header h1 {
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 16px;
}

.privacy-meta {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
}

.privacy-body h2 {
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin-top: 56px;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}

.privacy-body h3 {
  font-size: 17px;
  font-weight: 600;
  margin-top: 32px;
  margin-bottom: 12px;
}

.privacy-body p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 16px;
}

.privacy-body ul {
  list-style: none;
  margin-bottom: 16px;
}

.privacy-body ul li {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.8;
  padding-left: 20px;
  position: relative;
  margin-bottom: 4px;
}

.privacy-body ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 12px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--border-light);
}

.privacy-body strong {
  color: var(--text);
  font-weight: 500;
}

.privacy-body a {
  color: var(--text);
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color 0.2s ease;
}

.privacy-body a:hover {
  color: var(--text-secondary);
}

.contact-block {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 32px;
  margin-top: 16px;
}

.contact-block p {
  margin-bottom: 4px;
}

/* ── Architecture Diagram ── */
.arch-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
  margin-top: 60px;
}

.arch-layout > * {
  min-width: 0;
}

.arch-text {
  font-size: 17px;
  line-height: 1.8;
  color: var(--text-secondary);
  max-width: 640px;
}

.arch-diagram {
  background: transparent;
  border: none;
  border-top: 1px solid var(--border);
  padding: 32px 0;
  overflow: hidden;
  position: relative;
}

.arch-diagram::before {
  content: '';
  position: absolute;
  top: -1px;
  left: 0;
  width: 48px;
  height: 1px;
  background: #7c6cf6;
}

.arch-flow {
  padding: 8px 0;
}

.arch-flow--conventional {
  opacity: 0.55;
}

.arch-flow-label {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-dim);
  margin-bottom: 16px;
}

.arch-flow-label--bright {
  color: #7c6cf6;
}

.arch-flow-row {
  display: flex;
  align-items: center;
  gap: 0;
}

.arch-node {
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--border);
  border-radius: 0;
  padding: 7px 12px 7px 0;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-secondary);
  white-space: nowrap;
  position: relative;
  flex-shrink: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
}

.arch-node--bottleneck {
  border-bottom-color: #d65f5f;
  color: #d65f5f;
}

.arch-node--cache {
  border-bottom-color: #7c6cf6;
  color: #c4bfff;
  box-shadow: none;
}

.arch-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 700;
  padding: 1px 5px;
  border-radius: 0;
  margin-left: 6px;
  vertical-align: middle;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.arch-badge--warn {
  background: rgba(214, 95, 95, 0.15);
  color: #d65f5f;
}

.arch-badge--fast {
  background: rgba(124, 108, 246, 0.15);
  color: #7c6cf6;
}

.arch-line {
  flex: 1;
  min-width: 24px;
  height: 12px;
}

.arch-line line {
  stroke: var(--text-dim);
  stroke-width: 1;
}

.arch-line polygon {
  fill: var(--text-dim);
}

.arch-line--solid line {
  stroke: #7c6cf6;
  stroke-dasharray: none;
}

.arch-line--solid polygon {
  fill: #7c6cf6;
}

.arch-divider {
  display: flex;
  align-items: center;
  gap: 16px;
  margin: 20px 0;
}

.arch-divider::before,
.arch-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
  opacity: 0.5;
}

.arch-divider span {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.arch-flow-lanes {
  position: relative;
}

.arch-flow-row--top {
  margin-bottom: 10px;
}

.arch-flow-row--bottom {
  margin-left: 0;
}

.arch-merge {
  position: absolute;
  right: 118px;
  top: 10px;
  width: 12px;
  height: 36px;
}

.arch-merge line {
  stroke: #7c6cf6;
  stroke-width: 1;
  stroke-dasharray: 3 2;
}

/* Animated pulse dot - LayerScale (fast) */
.arch-pulse {
  fill: #7c6cf6;
  animation: arch-pulse-move 3s linear infinite;
}

@keyframes arch-pulse-move {
  0% { transform: translateX(0); opacity: 0; }
  5% { opacity: 1; }
  90% { opacity: 1; }
  100% { transform: translateX(170px); opacity: 0; }
}

/* Animated pulse dot - Conventional (slow) */
.arch-pulse-slow {
  fill: #d65f5f;
  animation: arch-pulse-slow-move 6s linear infinite;
}

.arch-pulse-slow--delayed {
  animation-delay: 3.5s;
}

@keyframes arch-pulse-slow-move {
  0% { transform: translateX(0); opacity: 0; }
  10% { opacity: 0.7; }
  40% { opacity: 0.7; transform: translateX(15px); }
  50% { opacity: 0.7; transform: translateX(20px); }
  85% { opacity: 0.7; }
  100% { transform: translateX(52px); opacity: 0; }
}

/* ── Compatibility ── */
.compat-heading {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-dim);
  margin-bottom: 20px;
}

.compat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}

.compat-card {
  padding: 20px 20px 20px 0;
  border-top: 1px solid var(--border);
  position: relative;
}

.compat-card::before {
  content: '';
  position: absolute;
  top: -1px;
  left: 0;
  width: 32px;
  height: 1px;
}

.compat-card:nth-child(4n+1)::before { background: #7c6cf6; }
.compat-card:nth-child(4n+2)::before { background: #45b88c; }
.compat-card:nth-child(4n+3)::before { background: #e6913e; }
.compat-card:nth-child(4n+4)::before { background: #3b9dd6; }

.compat-company {
  display: block;
  font-size: 12px;
  color: var(--text-dim);
  margin-bottom: 4px;
}

.compat-model {
  display: block;
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  letter-spacing: -0.01em;
}

.compat-card--more {
  opacity: 0.5;
}

.compat-card--more .compat-model {
  font-size: 13px;
  font-weight: 400;
  color: var(--text-secondary);
}

.compat-desc {
  display: block;
  font-size: 12px;
  color: var(--text-dim);
  margin-top: 6px;
  line-height: 1.5;
}

.compat-card--nvidia::before { background: #76B900 !important; }
.compat-card--amd::before { background: #ED1C24 !important; }
.compat-card--intel::before { background: #0071C5 !important; }
.compat-card--apple::before { background: #A2AAAD !important; }

/* ── Responsive ── */
@media (max-width: 968px) {
  .container { overflow: hidden; }
  section { padding: 100px 0; }

  .nav { display: none; }
  .nav.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg);
    z-index: 200;
    justify-content: center;
    align-items: center;
    gap: 24px;
  }
  .nav.open a { font-size: 20px; }
  .mobile-toggle { display: block; z-index: 300; }

  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 32px; }
  .comparison { grid-template-columns: 1fr; }
  .pillars-grid { grid-template-columns: 1fr; }
  .pillar:not(:first-child) { margin-left: 0; }
  .usecases-compact { grid-template-columns: repeat(2, 1fr); }
  .compat-grid { grid-template-columns: repeat(2, 1fr); }
  .arch-layout { grid-template-columns: 1fr; gap: 40px; }
  .api-layout { grid-template-columns: 1fr; gap: 40px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }

  .perf-bar-row {
    grid-template-columns: 120px 1fr 100px;
    gap: 12px;
  }

  .hero-logo svg { width: 120px !important; height: 120px !important; border-radius: 18px !important; }
  .hero-logo span { font-size: 44px; }
  .api-desc { display: none; }
}

@media (max-width: 560px) {
  .container { padding: 0 16px; }
  section { padding: 80px 0; }
  .stats-grid { grid-template-columns: 1fr 1fr; gap: 24px; }
  .stat-value { font-size: 36px; }
  .hero { padding-top: 60px; }
  .hero h1 { font-size: 36px; }
  .hero-logo { display: none; }
  .hero-logo span { font-size: 36px; }
  .usecases-compact { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .perf-bar-row { grid-template-columns: 100px 1fr 90px; gap: 8px; }
  .perf-bar-label { font-size: 12px; }
}