/* ============================================================
   CONTRAST SECURITY — AI TRANSPARENCY PAGE  (v2)
   Design system: Contrast Security Brand Guidelines v1 (Feb 2025)
   Typeface: Poppins (digital alternative to Nohemi / TT Commons Pro)
   ============================================================ */

/* ── Brand Tokens ─────────────────────────────────────────── */
:root {
  --emerald:      #38B885;
  --charcoal:     #181818;
  --white:        #FFFFFF;
  --teal:         #005A70;
  --dark-cyan:    #083C5A;
  --navy:         #1C2343;
  --yellow:       #FFDA36;
  --orange:       #DD6E1E;
  --light-gray:   #F3F3F3;

  --text-primary:   #111827;
  --text-secondary: #4B5563;
  --text-muted:     #9CA3AF;
  --border:         rgba(0,0,0,0.07);
  --surface:        #FFFFFF;
  --surface-soft:   #F5F9F8;

  --gradient-hero:    linear-gradient(145deg, #0B1120 0%, #0D2236 45%, #073446 100%);
  --gradient-primary: linear-gradient(135deg, var(--emerald) 0%, var(--teal) 100%);
  --gradient-text:    linear-gradient(135deg, #FFFFFF 30%, rgba(255,255,255,0.7) 70%, #38B885 100%);

  --shadow-xs:   0 1px 3px rgba(0,0,0,0.06);
  --shadow-sm:   0 2px 8px rgba(0,0,0,0.08);
  --shadow-md:   0 4px 20px rgba(0,0,0,0.10);
  --shadow-lg:   0 8px 40px rgba(0,0,0,0.14);
  --shadow-glow: 0 8px 32px rgba(56,184,133,0.22);

  --radius-sm:   6px;
  --radius-md:   12px;
  --radius-lg:   18px;
  --radius-xl:   24px;
  --radius-pill: 100px;

  --space-1: 4px;  --space-2: 8px;  --space-3: 12px; --space-4: 16px;
  --space-5: 20px; --space-6: 24px; --space-8: 32px; --space-10: 40px;
  --space-12: 48px; --space-16: 64px; --space-20: 80px;

  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* ── Reset ────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 15px;
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--surface-soft);
  background-image:
    radial-gradient(circle at 20% 0%,  rgba(56,184,133,0.06) 0%, transparent 50%),
    radial-gradient(circle at 80% 100%, rgba(28,35,67,0.05)  0%, transparent 50%);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: var(--teal); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--emerald); text-decoration: underline; }
img { max-width: 100%; display: block; }

/* ── Animations ───────────────────────────────────────────── */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(18px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 0 0 rgba(56,184,133,0); }
  50%       { box-shadow: 0 0 0 6px rgba(56,184,133,0.12); }
}

@keyframes shimmer {
  0%   { background-position: -200% center; }
  100% { background-position:  200% center; }
}

/* ── Layout ───────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: 1220px;
  margin: 0 auto;
  padding: 0 var(--space-6);
}

/* ── Site Header ──────────────────────────────────────────── */
.site-header {
  background: var(--gradient-hero);
  color: var(--white);
  position: relative;
  overflow: hidden;
}

/* Dot-grid texture */
.site-header::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(56,184,133,0.18) 1.5px, transparent 1.5px);
  background-size: 30px 30px;
  pointer-events: none;
  z-index: 0;
}

/* Radial glow bloom bottom-right */
.site-header::after {
  content: '';
  position: absolute;
  bottom: -60px;
  right: -80px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(56,184,133,0.15) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.site-header > * { position: relative; z-index: 1; }

/* Top bar */
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) 0;
  gap: var(--space-4);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

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

.brand-logo {
  width: 38px;
  height: 38px;
  flex-shrink: 0;
  filter: drop-shadow(0 2px 8px rgba(56,184,133,0.35));
}
.brand-logo path:last-child { fill: var(--white) !important; }

.brand-text { display: flex; align-items: center; gap: var(--space-2); flex-wrap: nowrap; }

.brand-name {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--white);
  white-space: nowrap;
}
.brand-name-security { color: var(--emerald); }

.brand-divider {
  color: rgba(255,255,255,0.2);
  font-weight: 200;
  font-size: 20px;
  line-height: 1;
}

.brand-page {
  font-size: 12px;
  font-weight: 500;
  color: rgba(255,255,255,0.6);
  white-space: nowrap;
}

.header-meta { display: flex; align-items: center; gap: var(--space-3); flex-shrink: 0; }

.meta-item { font-size: 12px; color: rgba(255,255,255,0.5); }
.meta-item strong { color: rgba(255,255,255,0.85); font-weight: 600; }

.version-chip {
  background: rgba(56,184,133,0.18);
  border: 1px solid rgba(56,184,133,0.35);
  color: var(--emerald);
  font-size: 11px;
  font-weight: 700;
  padding: 3px 12px;
  border-radius: var(--radius-pill);
  letter-spacing: 0.5px;
  font-variant-numeric: tabular-nums;
}

/* Hero */
.header-hero {
  padding: var(--space-16) 0 var(--space-20);
}

.hero-title {
  font-size: clamp(36px, 5.5vw, 62px);
  font-weight: 700;
  letter-spacing: -1.5px;
  line-height: 1.1;
  margin-bottom: var(--space-5);
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 17px;
  font-weight: 400;
  color: rgba(255,255,255,0.65);
  max-width: 580px;
  line-height: 1.75;
  margin-bottom: var(--space-8);
}

/* Framework strip */
.framework-strip { display: flex; align-items: center; gap: var(--space-2); flex-wrap: wrap; }

.framework-chip {
  display: inline-flex;
  align-items: center;
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.14);
  color: rgba(255,255,255,0.8);
  font-size: 11px;
  font-weight: 600;
  padding: 5px 14px;
  border-radius: var(--radius-pill);
  text-decoration: none;
  letter-spacing: 0.4px;
  backdrop-filter: blur(6px);
  transition: all 0.2s var(--ease-out);
}
.framework-chip:hover {
  background: rgba(56,184,133,0.22);
  border-color: rgba(56,184,133,0.45);
  color: var(--white);
  text-decoration: none;
  transform: translateY(-1px);
}

/* ── Commitment Section ───────────────────────────────────── */
.commitment-section {
  background: var(--white);
  position: relative;
  padding: var(--space-16) 0;
  border-bottom: 1px solid rgba(56,184,133,0.1);
}

/* Subtle top accent line */
.commitment-section::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--gradient-primary);
}

.commitment-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto var(--space-10);
}

.commitment-heading {
  font-size: clamp(24px, 3.5vw, 36px);
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.5px;
  margin-bottom: var(--space-4);
}

.commitment-intro {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.75;
}

/* Stats strip */
.stats-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
  margin-bottom: var(--space-12);
}

.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  background: var(--surface-soft);
  border: 1.5px solid rgba(56,184,133,0.14);
  border-radius: var(--radius-xl);
  padding: var(--space-8) var(--space-5);
  text-align: center;
  transition: all 0.3s var(--ease-out);
  position: relative;
  overflow: hidden;
}

.stat-item::after {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-primary);
  opacity: 0;
  transition: opacity 0.3s;
}

.stat-item:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-glow);
  border-color: rgba(56,184,133,0.35);
}

.stat-item:hover .stat-value,
.stat-item:hover .stat-label { position: relative; z-index: 1; }

.stat-value {
  font-size: 48px;
  font-weight: 800;
  line-height: 1;
  letter-spacing: -2px;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  line-height: 1.4;
  max-width: 120px;
}

/* Pillars */
.pillars-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: var(--space-5);
}

.pillar-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-left: 4px solid var(--emerald);
  border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  transition: all 0.3s var(--ease-out);
  box-shadow: var(--shadow-xs);
}

.pillar-card:hover {
  transform: translateX(4px);
  box-shadow: var(--shadow-md);
  border-left-color: var(--teal);
}

.pillar-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  background: var(--gradient-primary);
  color: var(--white);
  font-size: 15px;
  font-weight: 800;
  border-radius: 50%;
  flex-shrink: 0;
  box-shadow: 0 4px 12px rgba(56,184,133,0.3);
}

.pillar-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.3;
}

.pillar-body {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.7;
}

.guardrails-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-top: var(--space-1);
}

.guardrails-list li {
  font-size: 12.5px;
  color: var(--text-secondary);
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  line-height: 1.55;
}

.guardrails-list li::before {
  content: '▸';
  color: var(--emerald);
  font-weight: 700;
  flex-shrink: 0;
  font-size: 11px;
  margin-top: 2px;
}

.guardrail-label { font-weight: 600; color: var(--teal); }

/* ── Controls Bar ─────────────────────────────────────────── */
.controls-bar {
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(0,0,0,0.06);
  position: sticky;
  top: 0;
  z-index: 90;
  box-shadow: 0 2px 16px rgba(0,0,0,0.06);
}

.controls-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
  padding: var(--space-3) 0;
}

/* Pill tabs */
.tabs {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  background: var(--light-gray);
  padding: 4px;
  border-radius: var(--radius-pill);
}

.tab {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: 8px 20px;
  background: transparent;
  border: none;
  border-radius: var(--radius-pill);
  font-family: 'Poppins', sans-serif;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.2s var(--ease-out);
  white-space: nowrap;
}

.tab:hover { color: var(--teal); }

.tab.active {
  background: var(--white);
  color: var(--teal);
  box-shadow: 0 1px 6px rgba(0,0,0,0.10), 0 0 0 1px rgba(56,184,133,0.15);
}

.tab .tab-icon { display: none; }

.tab-count {
  background: rgba(0,0,0,0.06);
  color: var(--text-secondary);
  font-size: 11px;
  font-weight: 700;
  padding: 1px 8px;
  border-radius: var(--radius-pill);
  min-width: 22px;
  text-align: center;
  transition: all 0.2s;
}
.tab.active .tab-count {
  background: rgba(56,184,133,0.15);
  color: var(--teal);
}

/* Search */
.search-area {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.search-wrap { position: relative; display: flex; align-items: center; }

.search-icon {
  position: absolute;
  left: 12px;
  width: 15px;
  height: 15px;
  color: var(--text-muted);
  pointer-events: none;
}

.search-input {
  font-family: 'Poppins', sans-serif;
  font-size: 13px;
  color: var(--text-primary);
  background: var(--light-gray);
  border: 1.5px solid transparent;
  border-radius: var(--radius-pill);
  padding: 8px 16px 8px 36px;
  width: 260px;
  transition: all 0.25s var(--ease-out);
  outline: none;
}
.search-input:focus {
  background: var(--white);
  border-color: var(--emerald);
  box-shadow: 0 0 0 4px rgba(56,184,133,0.10);
  width: 300px;
}
.search-input::placeholder { color: var(--text-muted); }

.filter-select {
  font-family: 'Poppins', sans-serif;
  font-size: 13px;
  color: var(--text-primary);
  background: var(--light-gray);
  border: 1.5px solid transparent;
  border-radius: var(--radius-pill);
  padding: 8px 16px;
  cursor: pointer;
  outline: none;
  transition: all 0.2s;
  appearance: none;
  -webkit-appearance: none;
  padding-right: 32px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' fill='none'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%239CA3AF' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
}
.filter-select:focus {
  background-color: var(--white);
  border-color: var(--emerald);
  box-shadow: 0 0 0 4px rgba(56,184,133,0.10);
}

/* ── Main Content ─────────────────────────────────────────── */
.main-content { padding: var(--space-10) 0 var(--space-20); }

.section-intro { margin-bottom: var(--space-5); }
.section-intro p { font-size: 14px; color: var(--text-secondary); max-width: 680px; }

/* ── Card Grid ────────────────────────────────────────────── */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(370px, 1fr));
  gap: var(--space-5);
  align-items: start;
}

/* ── Feature / Subprocessor Card ─────────────────────────── */
.card {
  background: var(--white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
  transition: transform 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out), border-color 0.3s;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  position: relative;
  overflow: hidden;
  animation: fadeInUp 0.45s var(--ease-out) both;
}

/* Gradient top border */
.card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--emerald) 0%, var(--teal) 60%, var(--dark-cyan) 100%);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

/* Stagger entrance */
.card:nth-child(1)  { animation-delay: 0.00s; }
.card:nth-child(2)  { animation-delay: 0.04s; }
.card:nth-child(3)  { animation-delay: 0.08s; }
.card:nth-child(4)  { animation-delay: 0.12s; }
.card:nth-child(5)  { animation-delay: 0.16s; }
.card:nth-child(6)  { animation-delay: 0.20s; }
.card:nth-child(7)  { animation-delay: 0.24s; }
.card:nth-child(8)  { animation-delay: 0.28s; }
.card:nth-child(9)  { animation-delay: 0.32s; }
.card:nth-child(10) { animation-delay: 0.36s; }
.card:nth-child(n+11) { animation-delay: 0.40s; }

.card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-glow), var(--shadow-md);
  border-color: rgba(56,184,133,0.35);
}

/* Card header */
.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  flex-wrap: wrap;
}

/* Status badges */
.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.6px;
  text-transform: uppercase;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
}

.status-badge::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: currentColor;
  flex-shrink: 0;
  animation: pulse-glow 2.5s ease-in-out infinite;
}

.status-live {
  background: rgba(56,184,133,0.10);
  color: #0f6b42;
  border: 1px solid rgba(56,184,133,0.28);
}

.status-stub {
  background: rgba(255,218,54,0.14);
  color: #7a5200;
  border: 1px solid rgba(255,218,54,0.4);
}

/* Model / provider badge */
.model-badge {
  font-size: 11px;
  font-weight: 500;
  color: var(--teal);
  background: rgba(0,90,112,0.07);
  border: 1px solid rgba(0,90,112,0.14);
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 210px;
}

/* Card title */
.card-title {
  font-size: 19px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.3px;
  line-height: 1.25;
}

.card-subtitle {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-top: 2px;
}

.card-description {
  font-size: 13.5px;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* Card sections */
.card-section { display: flex; flex-direction: column; gap: var(--space-2); }

.section-label {
  font-size: 9.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  color: var(--text-muted);
}

/* Data list */
.data-list { list-style: none; display: flex; flex-direction: column; gap: 5px; }

.data-list li {
  font-size: 13px;
  color: var(--text-secondary);
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  background: rgba(56,184,133,0.04);
  border-left: 2px solid rgba(56,184,133,0.3);
  padding: 4px 10px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  line-height: 1.5;
}

.data-list li::before { display: none; }

/* Controls list */
.controls-list { list-style: none; display: flex; flex-direction: column; gap: 6px; }

.controls-list li {
  font-size: 12.5px;
  color: var(--text-secondary);
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  line-height: 1.55;
}

.controls-list li::before {
  content: '✓';
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  min-width: 18px;
  background: rgba(56,184,133,0.12);
  color: var(--emerald);
  font-weight: 800;
  font-size: 10px;
  border-radius: 50%;
  flex-shrink: 0;
  margin-top: 1px;
}

/* HITL indicator */
.hitl-indicator {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  font-size: 12.5px;
  font-weight: 500;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  line-height: 1.5;
}

.hitl-yes {
  background: linear-gradient(135deg, rgba(28,35,67,0.05), rgba(28,35,67,0.02));
  color: var(--navy);
  border: 1px solid rgba(28,35,67,0.10);
}

.hitl-no {
  background: rgba(221,110,30,0.07);
  color: var(--orange);
  border: 1px solid rgba(221,110,30,0.18);
}

.hitl-icon { flex-shrink: 0; font-size: 15px; }

/* Frameworks bar */
.frameworks-bar {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
  padding-top: var(--space-3);
  border-top: 1px solid rgba(0,0,0,0.05);
}

.fw-badge {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.3px;
  color: var(--dark-cyan);
  background: rgba(8,60,90,0.06);
  border: 1px solid rgba(8,60,90,0.13);
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  text-decoration: none;
  transition: all 0.2s;
}
.fw-badge:hover {
  background: rgba(8,60,90,0.13);
  color: var(--dark-cyan);
  text-decoration: none;
  transform: translateY(-1px);
}

/* Used-in badges */
.used-in-list { display: flex; flex-wrap: wrap; gap: var(--space-1); }

.used-in-badge {
  font-size: 11px;
  font-weight: 500;
  color: var(--teal);
  background: rgba(0,90,112,0.07);
  border: 1px solid rgba(0,90,112,0.14);
  padding: 3px 10px;
  border-radius: var(--radius-pill);
}

/* Category badge */
.category-badge {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.6px;
  text-transform: uppercase;
  color: var(--text-muted);
  background: rgba(0,0,0,0.04);
  border: 1px solid rgba(0,0,0,0.07);
  padding: 3px 10px;
  border-radius: var(--radius-pill);
}

/* Tier badges */
.tier-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.6px;
  text-transform: uppercase;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
}

.tier-1 {
  background: rgba(56,184,133,0.10);
  color: #0f6b42;
  border: 1px solid rgba(56,184,133,0.28);
}
.tier-2 {
  background: rgba(255,218,54,0.14);
  color: #7a5200;
  border: 1px solid rgba(255,218,54,0.4);
}
.tier-3 {
  background: rgba(0,90,112,0.08);
  color: var(--teal);
  border: 1px solid rgba(0,90,112,0.2);
}

/* Tier legend */
.tier-legend {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  padding: var(--space-5) var(--space-6);
  background: linear-gradient(135deg, rgba(56,184,133,0.04), rgba(255,255,255,0));
  border: 1px solid rgba(56,184,133,0.12);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-6);
}

.tier-legend-item { display: flex; align-items: flex-start; gap: var(--space-2); }
.tier-legend-item .tier-badge { flex-shrink: 0; margin-top: 1px; }

.tier-legend-desc {
  font-size: 12.5px;
  color: var(--text-secondary);
  line-height: 1.5;
}
.tier-legend-desc strong { color: var(--text-primary); font-weight: 600; }

/* Stub note */
.stub-note {
  font-size: 11.5px;
  color: var(--text-muted);
  font-style: italic;
  padding: var(--space-3) var(--space-4);
  background: rgba(255,218,54,0.07);
  border-radius: var(--radius-md);
  border-left: 3px solid var(--yellow);
}

/* ── Changelog ────────────────────────────────────────────── */
.changelog-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  max-width: 760px;
}

.changelog-entry {
  background: var(--white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
  position: relative;
  animation: fadeInUp 0.4s var(--ease-out) both;
}

.changelog-entry::before {
  content: '';
  position: absolute;
  left: 0; top: var(--space-5); bottom: var(--space-5);
  width: 4px;
  background: var(--gradient-primary);
  border-radius: 0 4px 4px 0;
}

.changelog-header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.changelog-version {
  font-size: 13px;
  font-weight: 700;
  color: var(--teal);
  background: rgba(0,90,112,0.08);
  border: 1px solid rgba(0,90,112,0.15);
  padding: 3px 12px;
  border-radius: var(--radius-pill);
}

.changelog-date {
  font-size: 12px;
  color: var(--text-muted);
  font-variant-numeric: tabular-nums;
}

.changelog-changes { list-style: none; display: flex; flex-direction: column; gap: 8px; }

.changelog-changes li {
  font-size: 13.5px;
  color: var(--text-secondary);
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  line-height: 1.6;
}

.changelog-changes li::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--emerald);
  flex-shrink: 0;
  margin-top: 7px;
}

/* ── States ───────────────────────────────────────────────── */
.loading-state {
  grid-column: 1 / -1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-20) 0;
  color: var(--text-muted);
  font-size: 14px;
}

.spinner {
  width: 36px; height: 36px;
  border: 3px solid rgba(56,184,133,0.15);
  border-top-color: var(--emerald);
  border-radius: 50%;
  animation: spin 0.75s linear infinite;
}

.empty-state {
  grid-column: 1 / -1;
  text-align: center;
  padding: var(--space-20) 0;
  color: var(--text-muted);
  font-size: 15px;
}

.hidden { display: none !important; }
.tab-panel { display: block; }
.tab-panel.hidden { display: none !important; }

/* ── Footer ───────────────────────────────────────────────── */
.site-footer {
  background: linear-gradient(160deg, #0F1823 0%, #0D1F2D 100%);
  color: rgba(255,255,255,0.5);
  padding: var(--space-10) 0;
  position: relative;
  overflow: hidden;
}

.site-footer::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(56,184,133,0.07) 1px, transparent 1px);
  background-size: 28px 28px;
  pointer-events: none;
}

.site-footer > * { position: relative; }

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  flex-wrap: wrap;
}

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

.footer-logo {
  width: 28px; height: 28px;
  filter: brightness(0) invert(0.6);
}

.footer-brand-name {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.5px;
  color: rgba(255,255,255,0.65);
}

.footer-links { display: flex; gap: var(--space-6); flex-wrap: wrap; }

.footer-links a {
  font-size: 12px;
  color: rgba(255,255,255,0.4);
  text-decoration: none;
  transition: color 0.2s;
}
.footer-links a:hover { color: var(--emerald); text-decoration: none; }

.footer-copy {
  width: 100%;
  font-size: 11px;
  color: rgba(255,255,255,0.22);
  text-align: center;
  padding-top: var(--space-5);
  border-top: 1px solid rgba(255,255,255,0.06);
  margin-top: var(--space-4);
}

/* ── Responsive ───────────────────────────────────────────── */
@media (max-width: 1000px) {
  .cards-grid { grid-template-columns: 1fr 1fr; }
  .stats-strip { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 720px) {
  .container { padding-left: var(--space-5); padding-right: var(--space-5); }
  .cards-grid { grid-template-columns: 1fr; }
  .stats-strip { grid-template-columns: repeat(2, 1fr); }

  .header-inner { flex-direction: column; align-items: flex-start; gap: var(--space-2); }

  .controls-inner { flex-direction: column; align-items: flex-start; gap: var(--space-2); }

  .tabs { width: 100%; overflow-x: auto; -webkit-overflow-scrolling: touch; }
  .tab { padding: 7px 14px; font-size: 12px; }

  .search-area { width: 100%; flex-wrap: wrap; }
  .search-input { width: 100%; }
  .filter-select { flex: 1; }

  .footer-inner { flex-direction: column; align-items: center; text-align: center; }
  .footer-links { justify-content: center; }
}

@media (max-width: 500px) {
  .hero-title { letter-spacing: -0.5px; }
  .stats-strip { grid-template-columns: 1fr 1fr; gap: var(--space-3); }
  .stat-value { font-size: 36px; }
  .brand-divider, .brand-page { display: none; }
  .pillars-grid { grid-template-columns: 1fr; }
}