/* ============================================================
   HiveTrustIQ Design System
   Dark-first fintech/infrastructure aesthetic
   Primary: Amber/Gold (#D4A030) — "Trust Gold"
   ============================================================ */

:root {
  /* Type Scale */
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(2rem, 1.2rem + 2.5vw, 3.5rem);
  --text-3xl: clamp(2.5rem, 1rem + 4vw, 5rem);

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;

  /* Transitions */
  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);

  /* Content widths */
  --content-narrow: 640px;
  --content-default: 960px;
  --content-wide: 1200px;
  --content-full: 100%;

  /* Fonts */
  --font-display: 'Cabinet Grotesk', 'Inter', sans-serif;
  --font-body: 'Satoshi', 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', 'Courier New', monospace;
}

/* ===== DARK MODE (DEFAULT) ===== */
:root,
[data-theme='dark'] {
  --color-bg: #0f0f10;
  --color-surface: #161618;
  --color-surface-2: #1c1c1f;
  --color-surface-offset: #1a1a1d;
  --color-surface-offset-2: #212124;
  --color-surface-dynamic: #2a2a2e;
  --color-divider: #2a2a2e;
  --color-border: #353538;

  --color-text: #e0ddd8;
  --color-text-muted: #8a8880;
  --color-text-faint: #5a5854;
  --color-text-inverse: #0f0f10;

  /* Primary: Trust Gold / Amber */
  --color-primary: #D4A030;
  --color-primary-hover: #E8B84A;
  --color-primary-active: #C08E20;
  --color-primary-highlight: #3d3422;

  /* Teal accent for interactive */
  --color-teal: #4f98a3;
  --color-teal-hover: #6ab3bf;
  --color-teal-active: #3a7a84;

  /* Trust tiers */
  --color-sovereign: #D4A030;
  --color-elevated: #6daa45;
  --color-standard: #4f98a3;
  --color-provisional: #bb653b;
  --color-unverified: #8a8880;

  /* Status */
  --color-success: #6daa45;
  --color-warning: #bb653b;
  --color-error: #d15555;

  /* Shadows */
  --shadow-sm: 0 1px 2px oklch(0 0 0 / 0.3);
  --shadow-md: 0 4px 12px oklch(0 0 0 / 0.4);
  --shadow-lg: 0 12px 32px oklch(0 0 0 / 0.5);
  --shadow-gold: 0 0 40px oklch(0.7 0.12 80 / 0.08);
}

/* ===== LIGHT MODE ===== */
[data-theme='light'] {
  --color-bg: #f5f4f0;
  --color-surface: #ffffff;
  --color-surface-2: #fafaf8;
  --color-surface-offset: #eeecea;
  --color-surface-offset-2: #e5e3df;
  --color-surface-dynamic: #dddbd7;
  --color-divider: #d4d2cc;
  --color-border: #c8c5be;

  --color-text: #1a1815;
  --color-text-muted: #6b6860;
  --color-text-faint: #a5a29b;
  --color-text-inverse: #f5f4f0;

  --color-primary: #b08420;
  --color-primary-hover: #946e18;
  --color-primary-active: #7a5a12;
  --color-primary-highlight: #f0e6cc;

  --color-teal: #0a6e74;
  --color-teal-hover: #085a60;
  --color-teal-active: #064a4e;

  --color-sovereign: #b08420;
  --color-elevated: #3d7a1a;
  --color-standard: #0a6e74;
  --color-provisional: #964219;
  --color-unverified: #6b6860;

  --color-success: #3d7a1a;
  --color-warning: #964219;
  --color-error: #a52020;

  --shadow-sm: 0 1px 2px oklch(0.2 0.01 80 / 0.08);
  --shadow-md: 0 4px 12px oklch(0.2 0.01 80 / 0.1);
  --shadow-lg: 0 12px 32px oklch(0.2 0.01 80 / 0.14);
  --shadow-gold: 0 0 40px oklch(0.7 0.12 80 / 0.06);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg: #0f0f10;
    --color-surface: #161618;
    --color-surface-2: #1c1c1f;
    --color-surface-offset: #1a1a1d;
    --color-surface-offset-2: #212124;
    --color-surface-dynamic: #2a2a2e;
    --color-divider: #2a2a2e;
    --color-border: #353538;
    --color-text: #e0ddd8;
    --color-text-muted: #8a8880;
    --color-text-faint: #5a5854;
    --color-text-inverse: #0f0f10;
    --color-primary: #D4A030;
    --color-primary-hover: #E8B84A;
    --color-primary-active: #C08E20;
    --color-primary-highlight: #3d3422;
    --color-teal: #4f98a3;
    --color-teal-hover: #6ab3bf;
    --color-teal-active: #3a7a84;
    --color-sovereign: #D4A030;
    --color-elevated: #6daa45;
    --color-standard: #4f98a3;
    --color-provisional: #bb653b;
    --color-unverified: #8a8880;
    --color-success: #6daa45;
    --color-warning: #bb653b;
    --color-error: #d15555;
    --shadow-sm: 0 1px 2px oklch(0 0 0 / 0.3);
    --shadow-md: 0 4px 12px oklch(0 0 0 / 0.4);
    --shadow-lg: 0 12px 32px oklch(0 0 0 / 0.5);
    --shadow-gold: 0 0 40px oklch(0.7 0.12 80 / 0.08);
  }
}

/* ============================================================
   GLOBAL STYLES
   ============================================================ */

body {
  font-family: var(--font-body);
  overflow-x: hidden;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
}

a {
  color: var(--color-primary);
  text-decoration: none;
}
a:hover {
  color: var(--color-primary-hover);
}

.container {
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: var(--space-4);
}

@media (min-width: 768px) {
  .container {
    padding-inline: var(--space-8);
  }
}

/* ============================================================
   SKIP LINK
   ============================================================ */

.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-4);
  background: var(--color-primary);
  color: var(--color-text-inverse);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-md);
  z-index: 100;
  font-size: var(--text-sm);
}
.skip-link:focus {
  top: var(--space-2);
}

/* ============================================================
   HEADER / NAV
   ============================================================ */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: oklch(from var(--color-bg) l c h / 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid oklch(from var(--color-text) l c h / 0.06);
  transition: box-shadow 0.3s var(--ease-out);
}
.site-header.scrolled {
  box-shadow: var(--shadow-sm);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  color: var(--color-text);
}
.logo svg {
  width: 36px;
  height: 36px;
}
.logo-img {
  width: 40px;
  height: 40px;
  object-fit: contain;
  border-radius: var(--radius-sm);
}
.logo-text {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-lg);
  letter-spacing: -0.02em;
}
.logo-text span {
  color: var(--color-primary);
}

.nav-desktop {
  display: none;
  align-items: center;
  gap: var(--space-6);
}
@media (min-width: 768px) {
  .nav-desktop {
    display: flex;
  }
}

.nav-desktop a {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--transition-interactive);
}
.nav-desktop a:hover {
  color: var(--color-text);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.theme-toggle {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  transition: color var(--transition-interactive), background var(--transition-interactive);
}
.theme-toggle:hover {
  color: var(--color-text);
  background: var(--color-surface-dynamic);
}

.mobile-menu-btn {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
}
@media (min-width: 768px) {
  .mobile-menu-btn {
    display: none;
  }
}

.mobile-nav {
  display: none;
  position: fixed;
  top: 64px;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--color-bg);
  z-index: 49;
  padding: var(--space-8) var(--space-4);
}
.mobile-nav.open {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}
.mobile-nav a {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--color-divider);
}

/* ============================================================
   BUTTONS
   ============================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-md);
  text-decoration: none;
  transition:
    background var(--transition-interactive),
    color var(--transition-interactive),
    box-shadow var(--transition-interactive),
    transform var(--transition-interactive);
  white-space: nowrap;
}
.btn:hover {
  transform: translateY(-1px);
}
.btn:active {
  transform: translateY(0);
}

.btn-primary {
  background: var(--color-primary);
  color: var(--color-text-inverse);
}
.btn-primary:hover {
  background: var(--color-primary-hover);
  color: var(--color-text-inverse);
  box-shadow: var(--shadow-gold);
}

.btn-secondary {
  background: transparent;
  color: var(--color-text);
  border: 1px solid var(--color-border);
}
.btn-secondary:hover {
  background: var(--color-surface-2);
  border-color: var(--color-text-muted);
  color: var(--color-text);
}

/* ============================================================
   HERO SECTION
   ============================================================ */

.hero {
  position: relative;
  min-height: 85vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: var(--space-16) 0 var(--space-12);
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-bg canvas {
  width: 100%;
  height: 100%;
}

.hero-gradient {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 50% 40%, oklch(0.7 0.12 80 / 0.06) 0%, transparent 70%),
    linear-gradient(to bottom, transparent 60%, var(--color-bg) 100%);
  z-index: 1;
}

[data-theme='light'] .hero-gradient {
  background:
    radial-gradient(ellipse 60% 50% at 50% 40%, oklch(0.7 0.12 80 / 0.1) 0%, transparent 70%),
    linear-gradient(to bottom, transparent 60%, var(--color-bg) 100%);
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 720px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-primary);
  background: var(--color-primary-highlight);
  padding: var(--space-1) var(--space-4) var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-6);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.hero-badge::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-primary);
}

.hero h1 {
  font-size: var(--text-2xl);
  letter-spacing: -0.03em;
  line-height: 1.08;
  margin-bottom: var(--space-6);
  color: var(--color-text);
}
.hero h1 em {
  font-style: normal;
  color: var(--color-primary);
}

.hero-description {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 560px;
  margin-bottom: var(--space-8);
  line-height: 1.7;
}

.hero-ctas {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
}

/* ============================================================
   SECTION STYLES
   ============================================================ */

.section {
  padding: clamp(var(--space-12), 6vw, var(--space-24)) 0;
}
.section-alt {
  background: var(--color-surface);
}

.section-label {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-3);
}

.section-title {
  font-size: var(--text-xl);
  letter-spacing: -0.02em;
  margin-bottom: var(--space-4);
  color: var(--color-text);
}

.section-desc {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 600px;
  margin-bottom: var(--space-10);
}

/* ============================================================
   TRUST SCORE VISUALIZATION
   ============================================================ */

.trust-score-section {
  padding: clamp(var(--space-12), 6vw, var(--space-24)) 0;
}

.trust-score-layout {
  display: grid;
  gap: var(--space-8);
  align-items: start;
}

@media (min-width: 768px) {
  .trust-score-layout {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-12);
  }
}

.score-gauge-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-6);
}

.score-gauge {
  position: relative;
  width: 280px;
  height: 280px;
}
@media (min-width: 768px) {
  .score-gauge {
    width: 320px;
    height: 320px;
  }
}

.score-gauge svg {
  width: 100%;
  height: 100%;
}

.score-gauge-value {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.score-number {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.score-label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-top: var(--space-1);
}

.trust-tier-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-primary);
  background: var(--color-primary-highlight);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
}

/* Pillar breakdown */
.pillars-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.pillar-item {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--space-2) var(--space-4);
  align-items: center;
}

.pillar-name {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text);
}

.pillar-weight {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  font-variant-numeric: tabular-nums;
}

.pillar-bar-track {
  grid-column: 1 / -1;
  height: 4px;
  background: var(--color-surface-dynamic);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.pillar-bar-fill {
  height: 100%;
  border-radius: var(--radius-full);
  background: var(--color-primary);
  transform-origin: left;
  transition: transform 1s var(--ease-out);
}
.pillar-bar-fill[data-pillar="transaction"] { width: 92%; }
.pillar-bar-fill[data-pillar="capital"] { width: 78%; }
.pillar-bar-fill[data-pillar="network"] { width: 85%; }
.pillar-bar-fill[data-pillar="identity"] { width: 96%; }
.pillar-bar-fill[data-pillar="compliance"] { width: 88%; }

.pillar-score {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-primary);
  font-variant-numeric: tabular-nums;
  text-align: right;
}

/* Trust tiers */
.trust-tiers {
  display: flex;
  gap: var(--space-2);
  margin-top: var(--space-8);
  flex-wrap: wrap;
}

.tier-chip {
  font-size: var(--text-xs);
  font-weight: 500;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  border: 1px solid;
  white-space: nowrap;
}
.tier-chip[data-tier="sovereign"] {
  color: var(--color-sovereign);
  border-color: oklch(from var(--color-sovereign) l c h / 0.3);
  background: oklch(from var(--color-sovereign) l c h / 0.08);
}
.tier-chip[data-tier="elevated"] {
  color: var(--color-elevated);
  border-color: oklch(from var(--color-elevated) l c h / 0.3);
  background: oklch(from var(--color-elevated) l c h / 0.08);
}
.tier-chip[data-tier="standard"] {
  color: var(--color-standard);
  border-color: oklch(from var(--color-standard) l c h / 0.3);
  background: oklch(from var(--color-standard) l c h / 0.08);
}
.tier-chip[data-tier="provisional"] {
  color: var(--color-provisional);
  border-color: oklch(from var(--color-provisional) l c h / 0.3);
  background: oklch(from var(--color-provisional) l c h / 0.08);
}
.tier-chip[data-tier="unverified"] {
  color: var(--color-unverified);
  border-color: oklch(from var(--color-unverified) l c h / 0.3);
  background: oklch(from var(--color-unverified) l c h / 0.08);
}

/* ============================================================
   HOW IT WORKS — Timeline
   ============================================================ */

.how-it-works {
  padding: clamp(var(--space-12), 6vw, var(--space-24)) 0;
}

.timeline {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-top: var(--space-10);
}

.timeline-step {
  display: grid;
  gap: var(--space-6);
  padding: var(--space-8) 0;
  border-bottom: 1px solid var(--color-divider);
}

.timeline-step:last-child {
  border-bottom: none;
}

@media (min-width: 768px) {
  .timeline-step {
    grid-template-columns: 80px 1fr 1fr;
    gap: var(--space-8);
    align-items: start;
  }
}

.step-number {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.step-content h3 {
  font-size: var(--text-lg);
  margin-bottom: var(--space-3);
}

.step-content p {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.7;
}

.step-detail {
  font-size: var(--text-sm);
  color: var(--color-text-faint);
  padding-left: var(--space-4);
  border-left: 2px solid var(--color-primary-highlight);
  line-height: 1.7;
}

@media (max-width: 767px) {
  .step-detail {
    margin-top: var(--space-2);
  }
}

/* ============================================================
   FEATURES DEEP DIVE
   ============================================================ */

.features-deep-dive {
  padding: clamp(var(--space-12), 6vw, var(--space-24)) 0;
}

.feature-block {
  padding: var(--space-10) 0;
  border-bottom: 1px solid var(--color-divider);
}
.feature-block:last-child {
  border-bottom: none;
}

.feature-header {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.feature-icon {
  width: 48px;
  height: 48px;
  flex-shrink: 0;
  color: var(--color-primary);
}

.feature-title {
  font-size: var(--text-xl);
  letter-spacing: -0.01em;
}

.feature-grid {
  display: grid;
  gap: var(--space-6);
}

@media (min-width: 768px) {
  .feature-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
  }
}

.feature-text {
  color: var(--color-text-muted);
  font-size: var(--text-base);
  line-height: 1.7;
}

.feature-text strong {
  color: var(--color-text);
  font-weight: 600;
}

/* Radar chart for trust pillars */
.radar-chart-wrapper {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: var(--space-4);
}

.radar-chart-wrapper svg {
  max-width: 300px;
  width: 100%;
}

/* Insurance tiers table */
.premium-table {
  margin-top: var(--space-6);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.premium-table table {
  font-size: var(--text-sm);
}

.premium-table th {
  font-weight: 600;
  text-align: left;
  padding: var(--space-3) var(--space-4);
  background: var(--color-surface-offset);
  color: var(--color-text-muted);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border-bottom: 1px solid var(--color-border);
}

.premium-table td {
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--color-divider);
  font-variant-numeric: tabular-nums;
}

.premium-table tr:last-child td {
  border-bottom: none;
}

/* Code block */
.code-block {
  background: #0a0a0b;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-top: var(--space-4);
}

[data-theme='light'] .code-block {
  background: #1c1c1f;
}

.code-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid oklch(1 0 0 / 0.06);
}

.code-lang {
  font-size: var(--text-xs);
  color: #8a8880;
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.code-body {
  padding: var(--space-4);
  overflow-x: auto;
}

.code-body pre {
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.6;
  color: #cdccca;
  white-space: pre;
  max-width: none;
}

.code-body .token-method { color: #6daa45; }
.code-body .token-url { color: #4f98a3; }
.code-body .token-flag { color: #8a8880; }
.code-body .token-string { color: #D4A030; }
.code-body .token-key { color: #bb653b; }

/* ============================================================
   THE NUMBERS
   ============================================================ */

.numbers-section {
  padding: clamp(var(--space-12), 6vw, var(--space-24)) 0;
}

.numbers-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
}

@media (min-width: 768px) {
  .numbers-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
  }
}

@media (min-width: 1024px) {
  .numbers-grid {
    grid-template-columns: repeat(6, 1fr);
  }
}

.number-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6) var(--space-4);
  text-align: center;
}

.number-value {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: var(--space-2);
  font-variant-numeric: tabular-nums;
}

.number-label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  line-height: 1.4;
}

/* ============================================================
   CONSTELLATION / ECOSYSTEM
   ============================================================ */

.ecosystem-section {
  padding: clamp(var(--space-12), 6vw, var(--space-24)) 0;
}

.ecosystem-layout {
  display: grid;
  gap: var(--space-8);
}

@media (min-width: 768px) {
  .ecosystem-layout {
    grid-template-columns: 1.2fr 1fr;
    gap: var(--space-12);
    align-items: center;
  }
}

.ecosystem-graphic {
  display: flex;
  justify-content: center;
}

.ecosystem-diagram {
  position: relative;
  width: 300px;
  height: 300px;
}
@media (min-width: 768px) {
  .ecosystem-diagram {
    width: 360px;
    height: 360px;
  }
}

.eco-node {
  position: absolute;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-1);
  text-align: center;
}

.eco-node-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
}

.eco-node-label {
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-text-muted);
  white-space: nowrap;
}

.eco-center {
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}
.eco-center .eco-node-icon {
  width: 72px;
  height: 72px;
  background: var(--color-primary-highlight);
  border-color: var(--color-primary);
}
.eco-center .eco-node-label {
  color: var(--color-primary);
  font-weight: 600;
}

.eco-top { top: 0; left: 50%; transform: translateX(-50%); }
.eco-right { top: 50%; right: 0; transform: translateY(-50%); }
.eco-bottom { bottom: 0; left: 50%; transform: translateX(-50%); }
.eco-left { top: 50%; left: 0; transform: translateY(-50%); }

.ecosystem-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  margin-top: var(--space-6);
}

.eco-link {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  padding: var(--space-3) var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: border-color var(--transition-interactive), background var(--transition-interactive);
}
.eco-link:hover {
  border-color: var(--color-primary);
  background: var(--color-surface-2);
  color: var(--color-text);
}

.eco-link svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  color: var(--color-primary);
}

/* ============================================================
   FOOTER
   ============================================================ */

.site-footer {
  border-top: 1px solid var(--color-divider);
  padding: var(--space-10) 0 var(--space-6);
}

.footer-grid {
  display: grid;
  gap: var(--space-6);
  margin-bottom: var(--space-8);
}

@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--space-8);
  }
}

.footer-brand p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-top: var(--space-3);
  max-width: 280px;
  line-height: 1.6;
}

.footer-col h4 {
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-3);
}

.footer-col a {
  display: block;
  font-size: var(--text-sm);
  color: var(--color-text-faint);
  padding: var(--space-1) 0;
  text-decoration: none;
}
.footer-col a:hover {
  color: var(--color-text);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-divider);
  flex-wrap: wrap;
  gap: var(--space-3);
}

.footer-copy {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}

.footer-meta {
  display: flex;
  gap: var(--space-4);
}

.footer-meta a {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}

/* ============================================================
   SCROLL REVEAL ANIMATIONS (CSS-native)
   ============================================================ */

.fade-in {
  opacity: 1;
}

@supports (animation-timeline: scroll()) {
  .fade-in {
    opacity: 0;
    animation: reveal-fade linear both;
    animation-timeline: view();
    animation-range: entry 0% entry 80%;
  }
}

@keyframes reveal-fade {
  to { opacity: 1; }
}

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

@media (max-width: 767px) {
  .hero h1 {
    font-size: clamp(1.75rem, 1.2rem + 2vw, 2.5rem);
  }
  .hero {
    min-height: 70vh;
    padding-top: var(--space-12);
  }
}

/* ============================================================
   PRICING SECTION
   ============================================================ */

.pricing-section {
  padding: clamp(var(--space-12), 6vw, var(--space-24)) 0;
}

/* Three-column grid, collapses to single column on mobile */
.pricing-grid {
  display: grid;
  gap: var(--space-6);
  grid-template-columns: 1fr;
  align-items: stretch;
  margin-top: var(--space-2);
}

@media (min-width: 768px) {
  .pricing-grid {
    grid-template-columns: repeat(3, 1fr);
    align-items: start;
  }
}

/* Base card */
.pricing-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8) var(--space-6);
  transition:
    border-color var(--transition-interactive),
    box-shadow var(--transition-interactive);
}

.pricing-card:hover {
  border-color: var(--color-text-faint);
}

/* Featured (Most Popular) card — gold border + subtle glow */
.pricing-card--featured {
  border-color: var(--color-primary);
  background: var(--color-surface-offset-2);
  box-shadow: 0 0 0 1px var(--color-primary), var(--shadow-gold);
}

.pricing-card--featured:hover {
  border-color: var(--color-primary-hover);
  box-shadow: 0 0 0 1px var(--color-primary-hover), 0 0 48px oklch(0.7 0.12 80 / 0.14);
}

/* "Most Popular" badge */
.pricing-popular-badge {
  position: absolute;
  top: -1px;
  right: var(--space-6);
  transform: translateY(-100%);
  background: var(--color-primary);
  color: var(--color-text-inverse);
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
}

/* Card header: tier name + price */
.pricing-card-header {
  margin-bottom: var(--space-6);
}

.pricing-tier-name {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-3);
}

.pricing-card--featured .pricing-tier-name {
  color: var(--color-primary);
}

.pricing-amount {
  display: flex;
  align-items: baseline;
  gap: 0;
  line-height: 1;
}

.pricing-currency {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text-muted);
  align-self: flex-start;
  padding-top: 0.2em;
}

.pricing-price {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 1.5rem + 2vw, 3.5rem);
  font-weight: 800;
  color: var(--color-text);
  letter-spacing: -0.03em;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.pricing-card--featured .pricing-price {
  color: var(--color-primary);
}

.pricing-period {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-text-faint);
  margin-left: var(--space-1);
  align-self: flex-end;
  padding-bottom: 0.2em;
}

/* Feature list */
.pricing-features {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  flex: 1; /* push CTA to bottom */
}

.pricing-features li {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.4;
}

.pricing-check {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  color: var(--color-primary);
  stroke: var(--color-primary);
}

/* CTA button — full-width at bottom of card */
.pricing-cta {
  display: block;
  width: 100%;
  text-align: center;
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: 600;
  text-decoration: none;
  transition:
    background var(--transition-interactive),
    color var(--transition-interactive),
    border-color var(--transition-interactive),
    box-shadow var(--transition-interactive),
    transform var(--transition-interactive);
}

.pricing-cta:hover {
  transform: translateY(-1px);
}

.pricing-cta:active {
  transform: translateY(0);
}

/* Overage note below the grid */
.pricing-overage-note {
  margin-top: var(--space-8);
  text-align: center;
  font-size: var(--text-sm);
  color: var(--color-text-faint);
}