/* ================================================================
   OBSERVABILITY PLATFORM — CUSTOM THEME
   Inspired by Apple.com, Cisco.com, HuggingFace.co
   Dark-first, glassmorphism, animated, enterprise-grade
   ================================================================ */

/* ===== Color System — Light Theme ===== */

:root {
  --c-bg-deep: #ffffff;
  --c-bg: #f8f9fb;
  --c-bg-elevated: #f1f3f7;
  --c-bg-surface: #ffffff;
  --c-bg-surface-hover: #f4f6fa;
  --c-border: rgba(0, 0, 0, 0.08);
  --c-border-hover: rgba(10, 96, 255, 0.3);
  --c-text: #1a1a2e;
  --c-text-secondary: rgba(26, 26, 46, 0.6);
  --c-text-tertiary: rgba(26, 26, 46, 0.38);
  --c-accent-blue: #0a60ff;
  --c-accent-cyan: #0891b2;
  --c-accent-purple: #7c3aed;
  --c-accent-green: #059669;
  --c-gradient-primary: linear-gradient(135deg, #0a60ff, #0891b2);
  --c-gradient-glow: linear-gradient(135deg, rgba(10,96,255,0.06), rgba(8,145,178,0.06));
  --c-shadow: rgba(0, 0, 0, 0.06);
  --c-glow-blue: rgba(10, 96, 255, 0.06);
  --c-glow-purple: rgba(124, 58, 237, 0.05);
  --c-glow-cyan: rgba(8, 145, 178, 0.05);
  --transition-smooth: cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* ===== MkDocs Theme Overrides ===== */

[data-md-color-scheme="default"] {
  --md-primary-fg-color: #1a1a2e;
  --md-primary-fg-color--light: rgba(26, 26, 46, 0.06);
  --md-primary-fg-color--dark: #0f0f1e;
  --md-primary-bg-color: #ffffff;
  --md-accent-fg-color: #0891b2;
  --md-typeset-a-color: #0a60ff;
}

/* Header */
.md-header {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

.md-header__title {
  color: #1a1a2e;
}

.md-header__topic {
  color: #1a1a2e;
  font-weight: 600;
}

/* Logo sizing */
.md-header__button.md-logo img,
.md-header__button.md-logo svg {
  height: 1.6rem;
  width: auto;
}

/* Tabs — dark slate instead of blue */
.md-tabs {
  background: #ffffff;
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.md-tabs__link {
  color: rgba(26, 26, 46, 0.55);
  font-weight: 500;
  transition: color 0.2s ease;
}

.md-tabs__link:hover {
  color: #1a1a2e;
}

.md-tabs__link--active,
.md-tabs__item--active .md-tabs__link {
  color: #1a1a2e;
  font-weight: 600;
  border-bottom: 2px solid #1a1a2e;
}

/* Navigation sidebar active indicator — teal instead of blue */
.md-nav__link--active,
.md-nav__link:is([data-md-state="active"]) {
  color: #0891b2;
}

.md-nav__item--active > .md-nav__link {
  color: #0891b2;
  font-weight: 600;
}

/* ===== Scroll Animations ===== */

.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s var(--transition-smooth), transform 0.7s var(--transition-smooth);
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== Home Wrapper ===== */

.home-wrapper {
  overflow: hidden;
  background: var(--c-bg-deep);
  position: relative;
}

/* Gradient mesh background — soft light tones */
.home-wrapper::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse 80% 60% at 10% 15%, rgba(10, 96, 255, 0.05) 0%, transparent 50%),
    radial-gradient(ellipse 60% 50% at 85% 10%, rgba(124, 58, 237, 0.04) 0%, transparent 50%),
    radial-gradient(ellipse 70% 55% at 50% 85%, rgba(8, 145, 178, 0.04) 0%, transparent 50%),
    radial-gradient(ellipse 50% 40% at 90% 65%, rgba(10, 96, 255, 0.03) 0%, transparent 50%);
}

.home-wrapper > * {
  position: relative;
  z-index: 1;
}

/* ===== 1. HERO ===== */

.hero-section {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
  background: linear-gradient(180deg, #f8f9fb 0%, #eef2f8 100%);
}

#particle-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  opacity: 0;
  animation: canvasFadeIn 2s ease-out 0.3s forwards;
}

@keyframes canvasFadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 820px;
  padding: 2rem 1.5rem;
}

.hero-eyebrow {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--c-accent-cyan);
  margin-bottom: 1.25rem;
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 4.2rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1.08;
  color: var(--c-text);
  margin-bottom: 1.25rem;
}

.hero-subtitle {
  font-size: 1.15rem;
  font-weight: 400;
  line-height: 1.6;
  color: var(--c-text-secondary);
  max-width: 560px;
  margin: 0 auto 2.5rem;
}

.hero-cta {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  margin-bottom: 3.5rem;
  flex-wrap: wrap;
}

/* Buttons — single unified style */
.btn,
.btn-primary,
.btn-secondary,
.btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.72rem 1.8rem;
  border-radius: 8px;
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  text-decoration: none;
  cursor: pointer;
  background: #ffffff;
  color: #1a1a2e;
  border: 1px solid rgba(0, 0, 0, 0.1);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
  transition: all 0.25s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.btn:hover,
.btn-primary:hover,
.btn-secondary:hover,
.btn-ghost:hover {
  background: linear-gradient(135deg, #eef4ff 0%, #e8f4fd 100%);
  border-color: rgba(10, 96, 255, 0.25);
  color: #0a60ff;
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(10, 96, 255, 0.08);
}

.btn:active,
.btn-primary:active,
.btn-secondary:active,
.btn-ghost:active {
  transform: translateY(0.5px);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.06);
  transition-duration: 0.1s;
}

.btn:focus-visible,
.btn-primary:focus-visible,
.btn-secondary:focus-visible,
.btn-ghost:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px rgba(10, 96, 255, 0.15), 0 1px 3px rgba(0, 0, 0, 0.04);
}

/* Large variant */
.btn-large {
  padding: 0.82rem 2.2rem;
  font-size: 0.925rem;
}

/* Hero metrics */
.hero-metrics {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 2rem;
  flex-wrap: wrap;
}

.hero-metric {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.2rem;
  min-width: 120px;
}

.hero-metric-value {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
  min-width: 80px;
  text-align: center;
  background: var(--c-gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-metric-label {
  font-size: 0.72rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--c-text-tertiary);
}

.hero-metric-divider {
  width: 1px;
  height: 36px;
  background: var(--c-border);
}

/* Scroll indicator */
.hero-scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
}

.scroll-line {
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, var(--c-accent-blue), rgba(10, 96, 255, 0.1));
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; height: 48px; }
  50% { opacity: 0.8; height: 56px; }
}

/* ===== SECTION BASE ===== */

.section {
  padding: 6rem 0;
  background: var(--c-bg);
  position: relative;
  transition: background 0.3s ease;
}

/* Alternating section tints — subtle color shifts between sections */
.section-problems     { background: #ffffff; }
.section-platform     { background: #f7f9fc; }
.section-compose      { background: #ffffff; }
.section-architecture { background: #f8fafe; }
.section-capabilities { background: #ffffff; }
.section-audience     { background: #f9f7fc; }
.section-ai           { background: #ffffff; }
.section-scale        { background: #f7fbfa; }
.section-enterprise   { background: #ffffff; }
.section-cta          { background: #f7f9fc; }
.section-footer-links { background: #ffffff; }

.section-inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section-eyebrow {
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--c-accent-cyan);
  text-align: center;
  margin-bottom: 0.75rem;
}

.section-heading {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.15;
  color: var(--c-text);
  text-align: center;
  margin-bottom: 0.75rem;
}

.section-subheading {
  font-size: 1.05rem;
  color: var(--c-text-secondary);
  text-align: center;
  max-width: 600px;
  margin: 0 auto 3rem;
  line-height: 1.6;
}

/* ===== 2. PROBLEMS ===== */

/* section-problems background set in alternating tints above */

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

.problem-card {
  padding: 2rem;
  background: var(--c-bg-surface);
  border: 1px solid var(--c-border);
  border-radius: 16px;
  transition: all 0.3s var(--transition-smooth);
}

.problem-card:hover {
  border-color: var(--c-border-hover);
  transform: translateY(-3px);
  box-shadow: 0 8px 32px rgba(10, 96, 255, 0.08);
}

.problem-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--c-glow-blue);
  border-radius: 12px;
  margin-bottom: 1rem;
  color: var(--c-accent-blue);
}

.problem-title {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--c-text);
  margin-bottom: 0.5rem;
}

.problem-desc {
  font-size: 0.88rem;
  line-height: 1.6;
  color: var(--c-text-secondary);
}

/* ===== 3. PLATFORM PILLARS ===== */

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

.pillar-card {
  position: relative;
  padding: 1.75rem;
  background: var(--c-bg-surface);
  border: 1px solid var(--c-border);
  border-radius: 16px;
  overflow: hidden;
  transition: all 0.3s var(--transition-smooth);
}

.pillar-card:hover {
  border-color: var(--c-border-hover);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(10, 96, 255, 0.08);
}

.pillar-glow {
  position: absolute;
  top: -40px;
  right: -40px;
  width: 120px;
  height: 120px;
  border-radius: 50%;
  filter: blur(40px);
  opacity: 0.15;
  transition: opacity 0.3s ease;
}

.pillar-card:hover .pillar-glow { opacity: 0.3; }
.pillar-glow-blue { background: var(--c-accent-blue); }
.pillar-glow-purple { background: var(--c-accent-purple); }
.pillar-glow-cyan { background: var(--c-accent-cyan); }
.pillar-glow-green { background: var(--c-accent-green); }

.pillar-header {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 0.75rem;
  color: var(--c-text);
  position: relative;
  z-index: 1;
}

.pillar-header h3 {
  font-size: 1.05rem;
  font-weight: 600;
  margin: 0;
}

.pillar-card p {
  font-size: 0.85rem;
  line-height: 1.6;
  color: var(--c-text-secondary);
  margin-bottom: 1rem;
  position: relative;
  z-index: 1;
}

.pillar-tag {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  padding: 0.2rem 0.6rem;
  background: rgba(10, 96, 255, 0.1);
  color: var(--c-accent-blue);
  border-radius: 6px;
  position: relative;
  z-index: 1;
}

/* ===== 4. ARCHITECTURE ===== */

/* section-architecture background set in alternating tints above */

.arch-diagram {
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.arch-layer {
  width: 100%;
  padding: 1.5rem 2rem;
  background: var(--c-bg-surface);
  border: 1px solid var(--c-border);
  border-radius: 16px;
  transition: all 0.3s var(--transition-smooth);
  cursor: default;
}

.arch-layer:hover {
  border-color: var(--c-border-hover);
  box-shadow: 0 0 32px var(--c-glow-blue);
}

.arch-layer-label {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--c-accent-cyan);
  margin-bottom: 0.75rem;
}

.arch-layer-items {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.arch-item {
  padding: 0.4rem 0.85rem;
  background: var(--c-bg-elevated);
  border: 1px solid var(--c-border);
  border-radius: 8px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--c-text-secondary);
}

.arch-item.highlight {
  background: rgba(10, 96, 255, 0.1);
  border-color: rgba(59, 130, 246, 0.2);
  color: var(--c-accent-blue);
  font-weight: 600;
}

.arch-layer-desc {
  font-size: 0.8rem;
  color: var(--c-text-tertiary);
  line-height: 1.5;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, opacity 0.3s ease;
  opacity: 0;
}

.arch-layer:hover .arch-layer-desc {
  max-height: 60px;
  opacity: 1;
}

.arch-connector {
  color: var(--c-text-tertiary);
  display: flex;
  justify-content: center;
}

/* ===== 5. CAPABILITIES ===== */

.capabilities-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.capability-card {
  padding: 2rem;
  background: var(--c-bg-surface);
  border: 1px solid var(--c-border);
  border-radius: 16px;
  transition: all 0.3s var(--transition-smooth);
}

.capability-card:hover {
  border-color: var(--c-border-hover);
  transform: translateY(-3px);
  box-shadow: 0 8px 32px rgba(10, 96, 255, 0.08);
}

.capability-number {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--c-accent-blue);
  opacity: 0.5;
  margin-bottom: 0.75rem;
  letter-spacing: 0.05em;
}

.capability-card h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--c-text);
  margin-bottom: 0.5rem;
}

.capability-card p {
  font-size: 0.85rem;
  line-height: 1.6;
  color: var(--c-text-secondary);
}

/* ===== 6. AUDIENCE SPLIT ===== */

/* section-audience background set in alternating tints above */

.audience-toggle {
  display: flex;
  justify-content: center;
  gap: 0;
  margin-bottom: 2.5rem;
  background: var(--c-bg-surface);
  border-radius: 12px;
  padding: 0.3rem;
  max-width: 360px;
  margin-left: auto;
  margin-right: auto;
  border: 1px solid var(--c-border);
}

.audience-tab {
  flex: 1;
  padding: 0.6rem 1.5rem;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--c-text-secondary);
  background: transparent;
  border: none;
  border-radius: 7px;
  cursor: pointer;
  transition: all 0.25s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  font-family: inherit;
}

.audience-tab.active {
  background: #1a1a2e;
  color: #ffffff;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.12);
}

.audience-tab:hover:not(.active) {
  color: var(--c-text);
  background: rgba(0, 0, 0, 0.03);
}

.audience-panel {
  display: none;
  max-width: 640px;
  margin: 0 auto;
}

.audience-panel.active {
  display: block;
  animation: fadeInUp 0.4s var(--transition-smooth);
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

.audience-features {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.audience-feature {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.feature-marker {
  width: 8px;
  height: 8px;
  background: var(--c-accent-blue);
  border-radius: 50%;
  flex-shrink: 0;
  margin-top: 0.6rem;
  box-shadow: 0 0 12px var(--c-glow-blue);
}

.audience-feature h4 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--c-text);
  margin: 0 0 0.25rem;
}

.audience-feature p {
  font-size: 0.88rem;
  color: var(--c-text-secondary);
  line-height: 1.6;
  margin: 0;
}

/* ===== 7. AI INSIGHTS ===== */

.ai-demo {
  max-width: 720px;
  margin: 0 auto;
}

.ai-terminal {
  background: var(--c-bg-surface);
  border: 1px solid var(--c-border);
  border-radius: 16px;
  overflow: hidden;
}

.ai-terminal-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.85rem 1.25rem;
  background: #f4f6f8;
  border-bottom: 1px solid var(--c-border);
}

.terminal-dots {
  display: flex;
  gap: 0.4rem;
}

.terminal-dots span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--c-text-tertiary);
}

.terminal-dots span:nth-child(1) { background: #ff5f57; }
.terminal-dots span:nth-child(2) { background: #ffbd2e; }
.terminal-dots span:nth-child(3) { background: #28c840; }

.terminal-title {
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--c-text-secondary);
}

.ai-terminal-body {
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  font-family: 'Roboto Mono', monospace;
}

.ai-message {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  font-size: 0.78rem;
  line-height: 1.6;
  color: var(--c-text-secondary);
  flex-wrap: wrap;
}

.ai-timestamp {
  color: var(--c-text-tertiary);
  flex-shrink: 0;
  font-size: 0.72rem;
}

.ai-badge {
  display: inline-block;
  padding: 0.1rem 0.5rem;
  border-radius: 4px;
  font-size: 0.65rem;
  font-weight: 700;
  flex-shrink: 0;
  letter-spacing: 0.05em;
}

.ai-badge-warning {
  background: rgba(217, 119, 6, 0.1);
  color: #b45309;
}

.ai-badge-info {
  background: rgba(10, 96, 255, 0.1);
  color: #0a60ff;
}

.ai-badge-success {
  background: rgba(5, 150, 105, 0.1);
  color: #047857;
}

/* ===== 8. SCALE ===== */

/* section-scale background set in alternating tints above */

.scale-metrics {
  display: flex;
  justify-content: center;
  gap: 4rem;
  flex-wrap: wrap;
  margin-bottom: 3.5rem;
}

.scale-metric {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.3rem;
  min-width: 160px;
}

.scale-value {
  font-size: 3rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums;
  min-width: 120px;
  text-align: center;
  background: var(--c-gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.scale-label {
  font-size: 0.78rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--c-text-tertiary);
}

.device-showcase {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.showcase-group h4 {
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--c-accent-cyan);
  margin-bottom: 0.75rem;
}

.showcase-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.showcase-tags span {
  padding: 0.35rem 0.7rem;
  background: var(--c-bg-surface);
  border: 1px solid var(--c-border);
  border-radius: 8px;
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--c-text-secondary);
  transition: all 0.2s ease;
}

.showcase-tags span:hover {
  border-color: var(--c-border-hover);
  color: var(--c-text);
}

/* ===== 9. ENTERPRISE ===== */

.enterprise-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  max-width: 720px;
  margin: 0 auto;
}

.enterprise-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1.25rem 1.5rem;
  background: var(--c-bg-surface);
  border: 1px solid var(--c-border);
  border-radius: 14px;
  color: var(--c-text-secondary);
  transition: all 0.3s var(--transition-smooth);
}

.enterprise-item:hover {
  border-color: var(--c-border-hover);
  color: var(--c-text);
  transform: translateY(-2px);
}

.enterprise-item svg {
  flex-shrink: 0;
  color: var(--c-accent-blue);
}

.enterprise-item span {
  font-size: 0.88rem;
  font-weight: 500;
}

/* ===== 10. CTA ===== */

.section-cta {
  /* background set in alternating tints above */
  padding: 8rem 0;
}

.cta-block {
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
}

.cta-block h2 {
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--c-text);
  margin-bottom: 0.75rem;
}

.cta-block p {
  font-size: 1rem;
  color: var(--c-text-secondary);
  line-height: 1.6;
  margin-bottom: 2rem;
}

.cta-buttons {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

/* ===== 11. FOOTER LINKS ===== */

.section-footer-links {
  /* background set in alternating tints above */
  padding: 4rem 0;
  border-top: 1px solid var(--c-border);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

.footer-col h4 {
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--c-text);
  margin-bottom: 1rem;
}

.footer-col a {
  display: block;
  font-size: 0.85rem;
  color: var(--c-text-secondary);
  text-decoration: none;
  padding: 0.3rem 0;
  transition: color 0.2s ease;
}

.footer-col a:hover {
  color: var(--c-accent-blue);
}

/* ===== 3.5 COMPOSE YOUR STACK / ORBITING ICONS ===== */

.section-compose {
  /* background set in alternating tints above */
  position: relative;
  overflow: hidden;
  padding: 8rem 0;
}

.compose-bg-gradient {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 50% 50% at 70% 50%, rgba(124, 58, 237, 0.04) 0%, transparent 60%),
    radial-gradient(ellipse 40% 40% at 30% 60%, rgba(10, 96, 255, 0.05) 0%, transparent 60%);
  pointer-events: none;
  z-index: 0;
}

.section-compose .section-inner {
  position: relative;
  z-index: 1;
}

.compose-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.compose-heading {
  font-size: clamp(1.8rem, 3.5vw, 2.4rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.15;
  color: var(--c-text);
  margin-bottom: 1rem;
}

.compose-desc {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--c-text-secondary);
  margin-bottom: 2rem;
}

.compose-highlights {
  display: flex;
  gap: 2rem;
}

.compose-highlight {
  display: flex;
  flex-direction: column;
}

.compose-highlight-number {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  background: var(--c-gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.compose-highlight-label {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--c-text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* Orbit container */
.compose-orbit-wrapper {
  display: flex;
  justify-content: center;
  align-items: center;
}

.orbit-container {
  position: relative;
  width: 420px;
  height: 420px;
}

/* Center element */
.orbit-center {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 80px;
  height: 80px;
  background: var(--c-bg-surface);
  border: 1px solid var(--c-border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 3;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
}

.orbit-center-logo {
  width: 54px;
  height: auto;
  object-fit: contain;
}

/* Orbit ring lines */
.orbit-line {
  position: absolute;
  border-radius: 50%;
  border: 1px solid var(--c-border);
  top: 50%;
  left: 50%;
}

.orbit-line-inner {
  width: 240px;
  height: 240px;
  transform: translate(-50%, -50%);
}

.orbit-line-outer {
  width: 390px;
  height: 390px;
  transform: translate(-50%, -50%);
}

/* Orbit rings */
.orbit-ring {
  position: absolute;
  top: 50%;
  left: 50%;
  border-radius: 50%;
}

.orbit-ring-inner {
  width: 240px;
  height: 240px;
  margin-top: -120px;
  margin-left: -120px;
  animation: orbitSpin 35s linear infinite;
}

.orbit-ring-outer {
  width: 390px;
  height: 390px;
  margin-top: -195px;
  margin-left: -195px;
  animation: orbitSpinReverse 55s linear infinite;
}

@keyframes orbitSpin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes orbitSpinReverse {
  from { transform: rotate(0deg); }
  to { transform: rotate(-360deg); }
}

/* Individual orbit icons */
.orbit-icon {
  position: absolute;
  width: 60px;
  height: 60px;
  top: 50%;
  left: 50%;
}

.orbit-ring-inner .orbit-icon {
  --angle: calc(360deg / var(--total) * var(--i) - 90deg);
  --radius: 120px;
  transform:
    translate(-50%, -50%)
    rotate(var(--angle))
    translate(var(--radius))
    rotate(calc(-1 * var(--angle)));
}

.orbit-ring-outer .orbit-icon {
  --angle: calc(360deg / var(--total) * var(--i) - 90deg);
  --radius: 195px;
  width: 48px;
  height: 48px;
  transform:
    translate(-50%, -50%)
    rotate(var(--angle))
    translate(var(--radius))
    rotate(calc(-1 * var(--angle)));
}

/* Counter-rotate icon content to keep upright */
.orbit-ring-inner .orbit-icon-inner {
  animation: orbitCounterSpin 35s linear infinite;
}

.orbit-ring-outer .orbit-icon-inner {
  animation: orbitCounterSpinReverse 55s linear infinite;
}

@keyframes orbitCounterSpin {
  from { transform: rotate(0deg); }
  to { transform: rotate(-360deg); }
}

@keyframes orbitCounterSpinReverse {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.orbit-icon-inner {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.15rem;
  background: var(--c-bg-surface);
  border: 1px solid var(--c-border);
  border-radius: 14px;
  color: var(--c-text-secondary);
  transition: all 0.3s ease;
}

.orbit-icon-inner:hover {
  border-color: var(--c-border-hover);
  color: var(--c-accent-blue);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
  transform: scale(1.1);
}

.orbit-icon-inner span {
  font-size: 0.55rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--c-text-secondary);
}

/* Image-based orbit icons — uniform sizing like Telegraf */
.orbit-icon-img {
  padding: 0.25rem;
  gap: 0.1rem;
}

.orbit-icon-img img {
  width: 32px;
  height: 32px;
  object-fit: contain;
  flex-shrink: 0;
}

/* Text-only orbit icons (no image, just label) */
.orbit-icon-text-only {
  font-size: 0.65rem;
  font-weight: 700;
  color: var(--c-text);
  letter-spacing: 0.02em;
  text-align: center;
  line-height: 1.2;
}

.orbit-ring-outer .orbit-icon-inner {
  border-radius: 12px;
}

.orbit-ring-outer .orbit-icon-inner span {
  font-size: 0.5rem;
}

.orbit-ring-outer .orbit-icon-img img {
  width: 26px;
  height: 26px;
  object-fit: contain;
  flex-shrink: 0;
}

/* ===== RESPONSIVE ===== */

@media (max-width: 960px) {
  .pillars-grid { grid-template-columns: repeat(2, 1fr); }
  .capabilities-grid { grid-template-columns: repeat(2, 1fr); }
  .device-showcase { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .scale-metrics { gap: 2.5rem; }
  .compose-layout { grid-template-columns: 1fr; gap: 3rem; }
  .compose-text { text-align: center; }
  .compose-text .section-eyebrow { text-align: center !important; }
  .compose-heading { text-align: center; }
  .compose-highlights { justify-content: center; }
  .orbit-container { width: 360px; height: 360px; }
  .orbit-line-inner { width: 190px; height: 190px; }
  .orbit-line-outer { width: 320px; height: 320px; }
  .orbit-ring-inner { width: 190px; height: 190px; margin-top: -95px; margin-left: -95px; }
  .orbit-ring-outer { width: 320px; height: 320px; margin-top: -160px; margin-left: -160px; }
  .orbit-ring-inner .orbit-icon { --radius: 95px; width: 52px; height: 52px; }
  .orbit-ring-outer .orbit-icon { --radius: 160px; }
  .orbit-icon-img img { width: 26px; height: 26px; }
  .orbit-ring-outer .orbit-icon-img img { width: 22px; height: 22px; }
}

@media (max-width: 768px) {
  .section { padding: 4rem 0; }
  .hero-section { min-height: 90vh; }

  .hero-metrics {
    gap: 1.25rem;
  }

  .hero-metric-value { font-size: 1.5rem; }
  .hero-metric-divider { height: 24px; }

  .problems-grid { grid-template-columns: 1fr; }
  .pillars-grid { grid-template-columns: 1fr; }
  .capabilities-grid { grid-template-columns: 1fr; }
  .enterprise-grid { grid-template-columns: 1fr; }
  .device-showcase { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 1.5rem; }

  .scale-value { font-size: 2.2rem; }

  .section-cta { padding: 5rem 0; }

  .section-compose { padding: 5rem 0; }
  .compose-highlights { flex-direction: column; gap: 1rem; align-items: center; }
  .orbit-container { width: 300px; height: 300px; }
  .orbit-line-inner { width: 155px; height: 155px; }
  .orbit-line-outer { width: 270px; height: 270px; }
  .orbit-ring-inner { width: 155px; height: 155px; margin-top: -77px; margin-left: -77px; }
  .orbit-ring-outer { width: 270px; height: 270px; margin-top: -135px; margin-left: -135px; }
  .orbit-ring-inner .orbit-icon { --radius: 77px; width: 44px; height: 44px; }
  .orbit-ring-outer .orbit-icon { --radius: 135px; width: 38px; height: 38px; }
  .orbit-center { width: 60px; height: 60px; }
  .orbit-center-logo { width: 40px; }
  .orbit-icon-img img { width: 20px; height: 20px; }
  .orbit-ring-outer .orbit-icon-img img { width: 18px; height: 18px; }
}

/* ===== MCP SERVER CARDS ===== */

.mcp-card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 19rem), 1fr));
  gap: 1.1rem;
  margin: 1.5rem 0 2rem;
}

.mcp-card {
  --mcp-card-accent: var(--c-accent-blue);
  position: relative;
  display: flex;
  flex-direction: column;
  min-width: 0;
  padding: 1.25rem;
  overflow: hidden;
  background: linear-gradient(145deg, var(--c-bg-surface), var(--c-bg));
  border: 1px solid var(--c-border);
  border-radius: 16px;
  box-shadow: 0 8px 24px var(--c-shadow);
  transition: transform 0.2s var(--transition-smooth), border-color 0.2s ease, box-shadow 0.2s ease;
}

.mcp-card::before {
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  height: 3px;
  background: var(--mcp-card-accent);
  content: "";
}

.mcp-card--splunk {
  --mcp-card-accent: #f58220;
}

.mcp-card--vos {
  --mcp-card-accent: var(--c-accent-cyan);
}

.mcp-card:hover {
  transform: translateY(-3px);
  border-color: color-mix(in srgb, var(--mcp-card-accent) 42%, transparent);
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.09);
}

.mcp-card__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.7rem;
}

.mcp-card__meta code {
  padding: 0;
  overflow-wrap: anywhere;
  color: var(--c-text-secondary);
  background: transparent;
  font-size: 0.69rem;
}

.mcp-card__region {
  flex: 0 0 auto;
  padding: 0.2rem 0.55rem;
  color: var(--mcp-card-accent);
  background: color-mix(in srgb, var(--mcp-card-accent) 10%, white);
  border: 1px solid color-mix(in srgb, var(--mcp-card-accent) 22%, transparent);
  border-radius: 999px;
  font-size: 0.64rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.md-typeset .mcp-card h2 {
  margin: 0 0 0.45rem;
  color: var(--c-text);
  font-size: 1.08rem;
  line-height: 1.3;
}

.md-typeset .mcp-card > p {
  min-height: 2.7rem;
  margin: 0 0 1rem;
  color: var(--c-text-secondary);
  font-size: 0.8rem;
  line-height: 1.55;
}

.mcp-card__details {
  display: grid;
  gap: 0.45rem;
  margin: 0 0 0.85rem;
}

.mcp-card__details > div {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.75rem;
}

.mcp-card__details dt,
.mcp-card__details dd {
  margin: 0;
  font-size: 0.7rem;
}

.mcp-card__details dt {
  color: var(--c-text-tertiary);
  font-weight: 600;
}

.mcp-card__details dd {
  min-width: 0;
  color: var(--c-text-secondary);
  text-align: right;
}

.mcp-card__details code {
  padding: 0;
  overflow-wrap: anywhere;
  color: var(--c-text-secondary);
  background: transparent;
  font-size: 0.67rem;
}

.mcp-card__endpoint {
  margin-bottom: 1rem;
  padding: 0.65rem 0.7rem;
  background: var(--c-bg-elevated);
  border-radius: 9px;
}

.mcp-card__endpoint span {
  display: block;
  margin-bottom: 0.2rem;
  color: var(--c-text-tertiary);
  font-size: 0.61rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.mcp-card__endpoint code {
  display: block;
  padding: 0;
  overflow-wrap: anywhere;
  color: var(--c-text-secondary);
  background: transparent;
  font-size: 0.64rem;
  line-height: 1.45;
}

.mcp-card__actions {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.45rem;
  margin-top: auto;
}

.mcp-install-button {
  min-height: 2.35rem;
  padding: 0.45rem 0.3rem;
  color: var(--c-text);
  background: var(--c-bg-surface);
  border: 1px solid var(--c-border);
  border-radius: 8px;
  cursor: pointer;
  font: inherit;
  font-size: 0.66rem;
  font-weight: 650;
  line-height: 1.2;
  transition: color 0.15s ease, background 0.15s ease, border-color 0.15s ease, transform 0.15s ease;
}

.mcp-install-button:hover {
  color: var(--mcp-card-accent);
  background: color-mix(in srgb, var(--mcp-card-accent) 7%, white);
  border-color: color-mix(in srgb, var(--mcp-card-accent) 35%, transparent);
}

.mcp-install-button:active {
  transform: scale(0.97);
}

.mcp-install-button:focus-visible {
  outline: 2px solid var(--mcp-card-accent);
  outline-offset: 2px;
}

.mcp-install-button.is-copied {
  color: #ffffff;
  background: var(--c-accent-green);
  border-color: var(--c-accent-green);
}

.mcp-install-button.is-copy-error {
  color: #ffffff;
  background: #b91c1c;
  border-color: #b91c1c;
}

@media (max-width: 480px) {
  .mcp-card {
    padding: 1rem;
  }

  .mcp-card__actions {
    grid-template-columns: 1fr;
  }
}

/* ===== ROADMAP EMBED ===== */

.roadmap-frame-wrap {
  width: 100%;
  margin: 0;
}

.roadmap-image {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--md-default-fg-color--lightest);
  border-radius: 4px;
  background: #0c161c;
}