/* ==========================================================================
   CIPHERMEET & CIPHERWIRE — Swiss Modernist Design System
   Architecture: Pure Semantic Modular CSS with Custom Properties
   Inspired by: failsafe.studio (Crisp, Clean, Textured Themes, Minimalist Switch)
   ========================================================================== */

/* --- 1. Design Tokens & Theme Variables --- */

:root,
html[data-theme="dark"],
body[data-theme="dark"] {
  color-scheme: dark;

  /* Theme Colors (Dark Baseline) */
  --bg-primary: #0a0a0c;
  --bg-surface: #121316;
  --bg-surface-elevated: #181a1f;
  --bg-surface-glass: rgba(10, 10, 12, 0.85);
  --bg-surface-hover: #22242a;

  --border-hairline: rgba(255, 255, 255, 0.08);
  --border-subtle: rgba(255, 255, 255, 0.14);
  --border-focus: #f5f5f7;

  --text-primary: #f5f5f7;
  --text-secondary: #a1a6b0;
  --text-muted: #6b7280;
  --text-inverse: #0a0a0c;

  /* Brand Accents */
  --accent-ciphermeet: #00F5A0;
  --accent-ciphermeet-dim: rgba(0, 245, 160, 0.15);
  --accent-ciphermeet-glow: rgba(0, 245, 160, 0.35);
  
  --accent-cipherwire: #00C2FF;
  --accent-cipherwire-dim: rgba(0, 194, 255, 0.15);
  --accent-cipherwire-glow: rgba(0, 194, 255, 0.35);

  --accent-primary: #3b82f6;
  --accent-primary-hover: #60a5fa;
  --accent-glow: rgba(59, 130, 246, 0.18);

  --status-live: #10b981;
  --status-encrypted: #00F5A0;
  --status-tactical: #00C2FF;

  /* Typography Scale */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-mono: 'JetBrains Mono', 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;

  --font-size-2xs: 0.6875rem; /* 11px */
  --font-size-xs: 0.75rem;    /* 12px */
  --font-size-sm: 0.875rem;   /* 14px */
  --font-size-base: 1rem;     /* 16px */
  --font-size-lg: 1.125rem;   /* 18px */
  --font-size-xl: 1.25rem;    /* 20px */
  --font-size-2xl: 1.5rem;    /* 24px */
  --font-size-3xl: 2rem;      /* 32px */
  --font-size-4xl: 2.75rem;   /* 44px */
  --font-size-5xl: 3.5rem;    /* 56px */

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-24: 6rem;

  --max-width-container: 1200px;
  --header-height: 74px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 14px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.4);
  --shadow-md: 0 4px 12px 0 rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 12px 32px -4px rgba(0, 0, 0, 0.6);
  --shadow-header: 0 4px 24px -2px rgba(0, 0, 0, 0.6);

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.16, 1, 0.3, 1);
  --transition-normal: 250ms cubic-bezier(0.16, 1, 0.3, 1);

  /* Textured Background Overlays */
  --texture-grid-color: rgba(255, 255, 255, 0.05);
  --texture-noise-opacity: 0.035;
  --texture-static-bg: url("../assets/textures/dark-static-texture.png");
  --logo-tone-filter: saturate(0.85) brightness(0.95);
  --logo-overlay-tint: rgba(10, 10, 12, 0.12);
}

/* 2. Explicit User Light Mode */
html[data-theme="light"],
body[data-theme="light"] {
  color-scheme: light !important;

  --bg-primary: #f8f9fa !important; /* Textured warm off-white, not flat white */
  --bg-surface: #ffffff !important;
  --bg-surface-elevated: #f0f1f4 !important;
  --bg-surface-glass: rgba(248, 249, 250, 0.88) !important;
  --bg-surface-hover: #e9eaee !important;

  --border-hairline: rgba(0, 0, 0, 0.08) !important;
  --border-subtle: rgba(0, 0, 0, 0.14) !important;
  --border-focus: #0a0a0c !important;

  --text-primary: #0a0a0c !important;
  --text-secondary: #525866 !important;
  --text-muted: #868c98 !important;
  --text-inverse: #ffffff !important;

  --accent-ciphermeet: #059669 !important; /* Slightly deeper emerald for light bg */
  --accent-ciphermeet-dim: rgba(5, 150, 105, 0.12) !important;
  --accent-ciphermeet-glow: rgba(5, 150, 105, 0.25) !important;

  --accent-cipherwire: #0284c7 !important; /* Slightly deeper blue for light bg */
  --accent-cipherwire-dim: rgba(2, 132, 199, 0.12) !important;
  --accent-cipherwire-glow: rgba(2, 132, 199, 0.25) !important;

  --accent-primary: #2563eb !important;
  --accent-primary-hover: #1d4ed8 !important;
  --accent-glow: rgba(37, 99, 235, 0.12) !important;

  --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.05) !important;
  --shadow-md: 0 4px 16px 0 rgba(0, 0, 0, 0.08) !important;
  --shadow-lg: 0 12px 32px -4px rgba(0, 0, 0, 0.1) !important;
  --shadow-header: 0 4px 20px -2px rgba(0, 0, 0, 0.06) !important;

  --texture-grid-color: rgba(0, 0, 0, 0.04) !important;
  --texture-noise-opacity: 0.03 !important;
  --texture-static-bg: none !important;
  --logo-tone-filter: saturate(0.88) brightness(0.98) !important;
  --logo-overlay-tint: rgba(255, 255, 255, 0.15) !important;
}

/* --- 2. Base & Reset --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
  text-rendering: optimizeLegibility;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  transition: background-color var(--transition-normal), color var(--transition-normal);
  overflow-x: hidden;
  position: relative;
}

/* Subtle Textured Background Layer */
.background-texture {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  pointer-events: none;
  z-index: 0;
  background-image: 
    radial-gradient(var(--texture-grid-color) 1px, transparent 1px),
    var(--texture-static-bg);
  background-size: 24px 24px, 240px 240px;
  background-repeat: repeat;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 10%, #000 70%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 10%, #000 70%, transparent 100%);
}

/* --- 3. Typography & Utilities --- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-sans);
  font-weight: 800;
  letter-spacing: -0.025em;
  color: var(--text-primary);
  line-height: 1.15;
}

p {
  color: var(--text-secondary);
  line-height: 1.65;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast), opacity var(--transition-fast);
}

.mono {
  font-family: var(--font-mono);
}

main {
  position: relative;
  z-index: 1;
}

.container {
  width: 100%;
  max-width: var(--max-width-container);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-6);
  padding-right: var(--space-6);
  position: relative;
  z-index: 1;
}

/* --- 4. Sticky Header with Dual-Tab Switcher --- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  z-index: 1000;
  background-color: var(--bg-surface-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-hairline);
  box-shadow: var(--shadow-header);
  transition: background-color var(--transition-normal), border-color var(--transition-normal);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: var(--space-4);
}

/* Left Brand Mark */
.header-brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-weight: 800;
  font-size: var(--font-size-base);
  letter-spacing: -0.01em;
  text-decoration: none;
}

.brand-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  flex-shrink: 0;
}

.brand-icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transform: scale(1.18);
}

.brand-text {
  display: flex;
  flex-direction: column;
  justify-content: center;
  line-height: 1.15;
}

.brand-title {
  font-size: 1.125rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-primary);
}

.brand-tagline {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-top: 2px;
}

/* Dual-Segmented Primary Tabs (Center / Header) */
.primary-tabs-nav {
  display: flex;
  align-items: center;
  background-color: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  padding: 5px;
  gap: 6px;
  box-shadow: var(--shadow-sm);
}

.primary-tab-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 22px;
  border-radius: var(--radius-full);
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
  text-decoration: none;
  white-space: nowrap;
}

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

.primary-tab-btn.active {
  color: var(--text-primary);
  background-color: var(--bg-surface);
  box-shadow: var(--shadow-sm);
  font-weight: 700;
}

.primary-tab-btn.tab-meet.active {
  border: 1px solid var(--accent-ciphermeet-dim);
}

.primary-tab-btn.tab-meet.active .tab-indicator {
  background-color: var(--accent-ciphermeet);
  box-shadow: 0 0 8px var(--accent-ciphermeet);
}

.primary-tab-btn.tab-wire.active {
  border: 1px solid var(--accent-cipherwire-dim);
}

.primary-tab-btn.tab-wire.active .tab-indicator {
  background-color: var(--accent-cipherwire);
  box-shadow: 0 0 8px var(--accent-cipherwire);
}

.tab-indicator {
  width: 8px;
  height: 8px;
  border-radius: var(--radius-full);
  background-color: transparent;
  transition: background-color var(--transition-fast);
  flex-shrink: 0;
}

.tab-brand-icon {
  width: 20px;
  height: 20px;
  object-fit: contain;
  flex-shrink: 0;
  display: inline-block;
  transform: scale(1.15);
}

/* Header Right Actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.nav-link-secondary {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--text-secondary);
  padding: 6px 12px;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.nav-link-secondary:hover,
.nav-link-secondary.active {
  color: var(--text-primary);
  background-color: var(--bg-surface-hover);
}

/* Header Action CTA Button */
.btn-cta-header {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  font-size: var(--font-size-xs);
  font-weight: 700;
  letter-spacing: 0.02em;
  text-decoration: none;
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.btn-cta-header.meet {
  background-color: var(--accent-ciphermeet-dim);
  color: var(--accent-ciphermeet);
  border: 1px solid var(--accent-ciphermeet);
}

.btn-cta-header.meet:hover {
  background-color: var(--accent-ciphermeet);
  color: #0a0a0c;
  box-shadow: 0 0 14px var(--accent-ciphermeet-glow);
}

html[data-theme="light"] .btn-cta-header.meet:hover {
  color: #ffffff;
}

.btn-cta-header.wire {
  background-color: var(--accent-cipherwire-dim);
  color: var(--accent-cipherwire);
  border: 1px solid var(--accent-cipherwire);
}

.btn-cta-header.wire:hover {
  background-color: var(--accent-cipherwire);
  color: #0a0a0c;
  box-shadow: 0 0 14px var(--accent-cipherwire-glow);
}

html[data-theme="light"] .btn-cta-header.wire:hover {
  color: #ffffff;
}

/* --- Minimalist Theme Switcher (Sliding Pill Toggle) --- */
.theme-switch-wrapper {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}

.theme-toggle-switch {
  position: relative;
  width: 52px;
  height: 28px;
  background-color: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  cursor: pointer;
  padding: 2px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: background-color var(--transition-fast), border-color var(--transition-fast);
  outline: none;
}

.theme-toggle-switch:focus-visible {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 2px var(--accent-glow);
}

.switch-icon {
  width: 14px;
  height: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1;
  color: var(--text-muted);
  transition: color var(--transition-fast);
}

.switch-icon-sun {
  margin-left: 5px;
}

.switch-icon-moon {
  margin-right: 5px;
}

.switch-thumb {
  position: absolute;
  top: 2px;
  left: 2px;
  width: 22px;
  height: 22px;
  background-color: var(--bg-surface);
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-fast);
  z-index: 2;
}

/* Thumb position in Dark vs Light */
html[data-theme="dark"] .switch-thumb,
body[data-theme="dark"] .switch-thumb {
  transform: translateX(24px);
}

html[data-theme="light"] .switch-thumb,
body[data-theme="light"] .switch-thumb {
  transform: translateX(0);
}

html[data-theme="dark"] .switch-icon-moon {
  color: var(--accent-cipherwire);
}

html[data-theme="light"] .switch-icon-sun {
  color: #f59e0b;
}

/* --- 5. Hero Section --- */
.hero-section {
  padding-top: calc(var(--header-height) + var(--space-12));
  padding-bottom: var(--space-12);
  text-align: center;
}

.hero-badge-row {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background-color: var(--bg-surface-elevated);
  border: 1px solid var(--border-hairline);
  padding: 4px 14px;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-6);
  font-family: var(--font-mono);
  font-size: var(--font-size-xs);
  color: var(--text-secondary);
}

.badge-dot {
  width: 6px;
  height: 6px;
  border-radius: var(--radius-full);
}

.badge-dot-green {
  background-color: var(--accent-ciphermeet);
  box-shadow: 0 0 6px var(--accent-ciphermeet);
}

.badge-dot-blue {
  background-color: var(--accent-cipherwire);
  box-shadow: 0 0 6px var(--accent-cipherwire);
}

/* Wordmark & Logo Display with Tone-Down Filter */
.hero-wordmark-container {
  max-width: 580px;
  margin: 0 auto var(--space-6);
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}

.brand-wordmark-img {
  width: 100%;
  max-width: 520px;
  height: auto;
  display: block;
  filter: var(--logo-tone-filter);
  transition: filter var(--transition-normal);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

/* Soft opaque tone-down overlay */
.logo-overlay-wrap {
  position: relative;
  display: inline-block;
}

.logo-overlay-wrap::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--logo-overlay-tint);
  border-radius: var(--radius-lg);
  pointer-events: none;
}

.hero-title {
  font-size: clamp(2rem, 4vw, 3.25rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-4);
  max-width: 860px;
  margin-left: auto;
  margin-right: auto;
}

.hero-subtitle {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  max-width: 720px;
  margin: 0 auto var(--space-6);
  line-height: 1.6;
}

/* --- Hero CTA Group & Elements --- */
.hero-cta-group {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  margin: 0 auto var(--space-8);
  max-width: 720px;
}

.btn-cta-hero {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 34px;
  font-size: 1.0625rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  text-decoration: none;
  border-radius: var(--radius-full);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal), background-color var(--transition-normal), color var(--transition-normal);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.btn-cta-hero.meet {
  background-color: var(--accent-ciphermeet);
  color: #0a0a0c;
  box-shadow: 0 0 24px var(--accent-ciphermeet-glow), 0 2px 8px rgba(0, 0, 0, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-cta-hero.meet:hover {
  background-color: #1effad;
  transform: translateY(-2px);
  box-shadow: 0 0 36px var(--accent-ciphermeet-glow), 0 6px 20px rgba(0, 0, 0, 0.5);
  color: #000000;
}

html[data-theme="light"] .btn-cta-hero.meet {
  color: #ffffff;
  box-shadow: 0 0 18px var(--accent-ciphermeet-glow), 0 2px 8px rgba(5, 150, 105, 0.25);
  border: 1px solid rgba(0, 0, 0, 0.1);
}

html[data-theme="light"] .btn-cta-hero.meet:hover {
  background-color: #047857;
  color: #ffffff;
  box-shadow: 0 0 24px var(--accent-ciphermeet-glow), 0 6px 16px rgba(5, 150, 105, 0.35);
}

.btn-cta-hero.wire {
  background-color: var(--accent-cipherwire);
  color: #0a0a0c;
  box-shadow: 0 0 24px var(--accent-cipherwire-glow), 0 2px 8px rgba(0, 0, 0, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-cta-hero.wire:hover {
  background-color: #24cdff;
  transform: translateY(-2px);
  box-shadow: 0 0 36px var(--accent-cipherwire-glow), 0 6px 20px rgba(0, 0, 0, 0.5);
  color: #000000;
}

html[data-theme="light"] .btn-cta-hero.wire {
  color: #ffffff;
  box-shadow: 0 0 18px var(--accent-cipherwire-glow), 0 2px 8px rgba(2, 132, 199, 0.25);
  border: 1px solid rgba(0, 0, 0, 0.1);
}

html[data-theme="light"] .btn-cta-hero.wire:hover {
  background-color: #0369a1;
  color: #ffffff;
  box-shadow: 0 0 24px var(--accent-cipherwire-glow), 0 6px 16px rgba(2, 132, 199, 0.35);
}

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

.hero-cta-trust-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  letter-spacing: 0.03em;
}

.hero-cta-trust-badge svg {
  width: 14px;
  height: 14px;
  color: var(--status-live);
  flex-shrink: 0;
}

/* Notice box for tokenized invite join */
.info-callout-box {
  max-width: 720px;
  margin: 0 auto;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-left: 4px solid var(--accent-primary);
  border-radius: var(--radius-md);
  padding: var(--space-4) var(--space-6);
  text-align: left;
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: var(--font-size-sm);
}

.info-callout-box.meet {
  border-left-color: var(--accent-ciphermeet);
}

.info-callout-box.wire {
  border-left-color: var(--accent-cipherwire);
}

.info-callout-box svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  margin-top: 2px;
}

/* --- 6. Metrics Grid --- */
.section-heading-block {
  text-align: center;
  margin-bottom: var(--space-8);
}

.section-label {
  font-family: var(--font-mono);
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-muted);
  margin-bottom: var(--space-2);
}

.section-title {
  font-size: var(--font-size-3xl);
  font-weight: 800;
  letter-spacing: -0.02em;
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-4);
  margin-bottom: var(--space-16);
}

.metric-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.metric-card:hover {
  transform: translateY(-2px);
  border-color: var(--border-subtle);
  box-shadow: var(--shadow-md);
}

.metric-value {
  font-family: var(--font-mono);
  font-size: var(--font-size-3xl);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-2);
}

.metric-value.meet {
  color: var(--accent-ciphermeet);
}

.metric-value.wire {
  color: var(--accent-cipherwire);
}

.metric-label {
  font-size: var(--font-size-sm);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-1);
}

.metric-desc {
  font-size: var(--font-size-xs);
  color: var(--text-secondary);
  line-height: 1.5;
}

/* --- 7. Architecture & Pillars --- */
.pillars-section {
  padding-bottom: var(--space-16);
}

.pillars-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--space-6);
}

.pillar-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.pillar-card:hover {
  border-color: var(--border-subtle);
  box-shadow: var(--shadow-md);
}

.pillar-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background-color: var(--bg-surface-elevated);
  border: 1px solid var(--border-hairline);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-2);
  color: var(--text-primary);
}

.pillar-icon.meet {
  color: var(--accent-ciphermeet);
}

.pillar-icon.wire {
  color: var(--accent-cipherwire);
}

.pillar-title {
  font-size: var(--font-size-xl);
  font-weight: 700;
}

.pillar-desc {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  line-height: 1.6;
}

/* --- 8. Discord Bridge Section --- */
.discord-bridge-section {
  background: linear-gradient(180deg, var(--bg-surface) 0%, var(--bg-surface-elevated) 100%);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-12) var(--space-8);
  margin-bottom: var(--space-16);
  position: relative;
  overflow: hidden;
}

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

.discord-icon-badge {
  width: 48px;
  height: 48px;
  background-color: #5865F2;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  flex-shrink: 0;
}

.discord-title {
  font-size: var(--font-size-2xl);
  font-weight: 800;
}

.discord-desc {
  font-size: var(--font-size-base);
  color: var(--text-secondary);
  max-width: 820px;
  margin-bottom: var(--space-8);
  line-height: 1.65;
}

/* Terminal / Slash Command Box */
.terminal-block {
  background-color: #050608;
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-md);
  padding: var(--space-4) var(--space-6);
  margin-bottom: var(--space-8);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  font-family: var(--font-mono);
  box-shadow: inset 0 2px 8px rgba(0, 0, 0, 0.4);
}

.terminal-content {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  overflow-x: auto;
  color: #00F5A0;
  font-size: var(--font-size-sm);
}

.terminal-prompt {
  color: #6b7280;
  user-select: none;
}

.copy-btn {
  background-color: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: var(--font-size-xs);
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.copy-btn:hover {
  background-color: var(--bg-surface-hover);
  color: var(--text-primary);
  border-color: var(--border-focus);
}

/* Workflow Step Cards */
.bridge-steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-4);
}

.step-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-md);
  padding: var(--space-6);
}

.step-num {
  font-family: var(--font-mono);
  font-size: var(--font-size-xs);
  font-weight: 700;
  color: var(--accent-ciphermeet);
  margin-bottom: var(--space-2);
}

.step-title {
  font-size: var(--font-size-base);
  font-weight: 700;
  margin-bottom: var(--space-2);
}

.step-desc {
  font-size: var(--font-size-xs);
  color: var(--text-secondary);
  line-height: 1.5;
}

/* --- 9. Contact Section & Forms --- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: var(--space-8);
  margin-bottom: var(--space-16);
}

.direct-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: var(--space-6);
}

.email-highlight-box {
  background-color: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  font-family: var(--font-mono);
  font-size: var(--font-size-sm);
  color: var(--text-primary);
}

.contact-form-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
}

.form-group {
  margin-bottom: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form-label {
  font-size: var(--font-size-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}

.form-input,
.form-select,
.form-textarea {
  background-color: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 10px 14px;
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: var(--font-size-sm);
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 2px var(--accent-glow);
}

.form-textarea {
  min-height: 120px;
  resize: vertical;
}

.submit-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  background-color: var(--text-primary);
  color: var(--text-inverse);
  font-size: var(--font-size-sm);
  font-weight: 700;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: opacity var(--transition-fast), transform var(--transition-fast);
  width: 100%;
}

.submit-btn:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

/* --- 10. Legal Document Layout --- */
.legal-container {
  max-width: 820px;
  margin: calc(var(--header-height) + var(--space-8)) auto var(--space-16);
  padding-left: var(--space-6);
  padding-right: var(--space-6);
  position: relative;
  z-index: 1;
}

.legal-header {
  margin-bottom: var(--space-8);
  border-bottom: 1px solid var(--border-hairline);
  padding-bottom: var(--space-6);
}

.legal-title {
  font-size: var(--font-size-3xl);
  font-weight: 800;
  margin-bottom: var(--space-2);
}

.legal-meta {
  font-family: var(--font-mono);
  font-size: var(--font-size-xs);
  color: var(--text-muted);
}

.legal-content section {
  margin-bottom: var(--space-8);
}

.legal-content h2 {
  font-size: var(--font-size-xl);
  font-weight: 700;
  margin-bottom: var(--space-3);
  color: var(--text-primary);
}

.legal-content p {
  margin-bottom: var(--space-4);
  font-size: var(--font-size-base);
  line-height: 1.7;
}

.legal-content ul {
  margin-bottom: var(--space-4);
  padding-left: var(--space-6);
}

.legal-content li {
  margin-bottom: var(--space-2);
  color: var(--text-secondary);
  line-height: 1.6;
}

/* --- 11. Footer --- */
.site-footer {
  border-top: 1px solid var(--border-hairline);
  background-color: var(--bg-surface);
  padding: var(--space-12) 0 var(--space-8);
  margin-top: auto;
  position: relative;
  z-index: 1;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: var(--space-8);
  margin-bottom: var(--space-8);
}

.footer-brand {
  max-width: 320px;
}

.footer-nav-col h4 {
  font-size: var(--font-size-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: var(--space-3);
}

.footer-nav-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.footer-nav-list a {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
}

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

.footer-bottom-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid var(--border-hairline);
  padding-top: var(--space-6);
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  flex-wrap: wrap;
  gap: var(--space-4);
}

/* Toast feedback for copy */
.copy-toast {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  background-color: var(--text-primary);
  color: var(--text-inverse);
  padding: 8px 16px;
  border-radius: var(--radius-md);
  font-family: var(--font-mono);
  font-size: var(--font-size-xs);
  box-shadow: var(--shadow-lg);
  opacity: 0;
  transform: translateY(10px);
  pointer-events: none;
  transition: opacity var(--transition-fast), transform var(--transition-fast);
  z-index: 2000;
}

.copy-toast.show {
  opacity: 1;
  transform: translateY(0);
}

/* --- 12. Responsive Media Queries --- */
@media (max-width: 860px) {
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .primary-tabs-nav {
    order: 3;
    width: 100%;
    justify-content: center;
    margin-top: var(--space-2);
  }

  .site-header {
    height: auto;
    padding-bottom: var(--space-2);
  }

  .header-inner {
    flex-wrap: wrap;
    padding-top: var(--space-2);
  }

  .hero-section {
    padding-top: calc(var(--header-height) + var(--space-16));
  }
}

@media (max-width: 640px) {
  .header-actions {
    gap: var(--space-2);
  }

  .header-actions .btn-cta-header {
    padding: 5px 10px;
    font-size: 0.6875rem;
  }

  .btn-cta-hero {
    width: 100%;
    max-width: 380px;
    padding: 13px 20px;
    font-size: 0.9375rem;
  }

  .hero-cta-trust-badge {
    text-align: center;
    font-size: 0.6875rem;
    flex-wrap: wrap;
    justify-content: center;
  }
}

@media (max-width: 440px) {
  .header-actions .nav-link-secondary {
    display: none;
  }
}