/* ========================================================
   Proton VPN Labs - Style 01: Swiss Cryptographic Minimalism
   瑞士密码极简主义 · 国际主义排版学派 · 纯粹理性与法权信誉
   Jurisdiction: Switzerland · CERN Scientific Heritage · FADP Compliant
   ======================================================== */

:root {
  /* Architectural Dark Obsidian Palette */
  --bg-deepest: #070709;
  --bg-base: #0b0b0e;
  --bg-surface: #111116;
  --bg-card: rgba(18, 18, 24, 0.85);
  --bg-card-hover: rgba(26, 26, 35, 0.95);
  --bg-elevated: #1a1a23;

  /* Swiss National Precision & Accent Colors */
  --swiss-red: #e53935;
  --swiss-red-light: #ff5252;
  --swiss-red-dim: rgba(229, 57, 53, 0.12);
  --proton-purple: #6d4aff;
  --proton-purple-light: #8f6fff;
  --proton-purple-dim: rgba(109, 74, 255, 0.14);
  --proton-green: #00d287;
  --proton-green-dim: rgba(0, 210, 135, 0.12);
  
  /* Strict Hairline Technical Grid Borders */
  --border-hairline: rgba(255, 255, 255, 0.08);
  --border-subtle: rgba(255, 255, 255, 0.14);
  --border-active: rgba(255, 255, 255, 0.28);
  --border-swiss: rgba(229, 57, 53, 0.35);
  --border-purple: rgba(109, 74, 255, 0.35);

  /* High-Contrast Swiss Typography */
  --text-primary: #ffffff;
  --text-secondary: #b3b3c2;
  --text-muted: #747486;
  --text-dim: #4e4e5d;

  /* Typography Stacks */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'SF Mono', Consolas, monospace;

  /* Mathematical Radii (Clean, Architectural, Minimal) */
  --radius-xs: 3px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-full: 9999px;

  /* Subtle Scientific Shadows */
  --shadow-subtle: 0 4px 20px rgba(0, 0, 0, 0.6);
  --shadow-elevation: 0 10px 40px -10px rgba(0, 0, 0, 0.8), 0 0 1px rgba(255, 255, 255, 0.1);
  --transition-fast: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  --transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--bg-deepest);
  color: var(--text-primary);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  position: relative;
  overflow-x: hidden;
  min-height: 100vh;
  background-color: var(--bg-deepest);
  /* Architectural Swiss Grid Background */
  background-image: 
    linear-gradient(to right, rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 64px 64px;
  line-height: 1.6;
}

/* Background Canvas */
#cyber-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  opacity: 0.35;
}

/* Swiss Layout Container */
.container {
  width: 100%;
  max-width: 1260px;
  margin: 0 auto;
  padding: 0 32px;
  position: relative;
  z-index: 1;
}

/* Micro-Typographic Badges */
.swiss-meta-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-muted);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.swiss-flag-emblem {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 16px;
  height: 16px;
  background: var(--swiss-red);
  color: #fff;
  font-size: 11px;
  font-weight: 900;
  border-radius: 2px;
  flex-shrink: 0;
}

/* Announcement Bar */
.announcement-bar {
  background: rgba(11, 11, 14, 0.95);
  border-bottom: 1px solid var(--border-hairline);
  padding: 8px 16px;
  font-size: 0.8rem;
  font-family: var(--font-mono);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  position: relative;
  z-index: 100;
}

.announcement-badge {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border-subtle);
  color: #fff;
  font-size: 0.68rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: var(--radius-xs);
  letter-spacing: 0.08em;
}

.announcement-link {
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.4);
  transition: var(--transition-fast);
}
.announcement-link:hover {
  border-color: #fff;
  color: var(--proton-purple-light);
}

/* Site Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 90;
  background: rgba(11, 11, 14, 0.88);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-hairline);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.brand-wrapper {
  display: flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
}

.brand-logo-svg {
  width: 32px;
  height: 32px;
  filter: drop-shadow(0 2px 8px rgba(109, 74, 255, 0.3));
}

.brand-text-col {
  display: flex;
  flex-direction: column;
}

.brand-name {
  font-size: 1.08rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: 8px;
}

.brand-tag {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 700;
  padding: 1px 6px;
  border-radius: var(--radius-xs);
  background: rgba(109, 74, 255, 0.2);
  border: 1px solid var(--border-purple);
  color: var(--proton-purple-light);
  letter-spacing: 0.06em;
}

.brand-sub {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--text-muted);
  letter-spacing: 0.04em;
}

.nav-links {
  display: flex;
  align-items: center;
  list-style: none;
  gap: 20px;
}

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 500;
  padding: 6px 12px;
  border-radius: var(--radius-xs);
  transition: var(--transition-fast);
  letter-spacing: -0.01em;
}

.nav-link:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.05);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.network-pill {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-hairline);
  padding: 4px 10px;
  border-radius: var(--radius-xs);
}

.pulse-dot {
  width: 6px;
  height: 6px;
  background: var(--proton-green);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--proton-green);
}

/* Swiss Geometric Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.88rem;
  padding: 9px 18px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition-fast);
  text-decoration: none;
  border: 1px solid transparent;
  outline: none;
  letter-spacing: -0.01em;
}

.btn-primary {
  background: #ffffff;
  color: #070709;
  border-color: #ffffff;
  font-weight: 700;
}
.btn-primary:hover {
  background: #e6e6ee;
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(255, 255, 255, 0.2);
}

.btn-green {
  background: #ffffff;
  color: #070709;
  font-weight: 700;
  border-color: #ffffff;
}
.btn-green:hover {
  background: #f0f0f5;
  color: #000;
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(255, 255, 255, 0.25);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.04);
  color: #fff;
  border: 1px solid var(--border-subtle);
}
.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--border-active);
  transform: translateY(-1px);
}

.btn-sm {
  padding: 6px 12px;
  font-size: 0.8rem;
}

.btn-lg {
  padding: 13px 24px;
  font-size: 0.96rem;
}

/* ========================================================
   Hero Section
   ======================================================== */
.hero-section {
  padding: 70px 0 90px;
  border-bottom: 1px solid var(--border-hairline);
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 54px;
  align-items: center;
}

.hero-pill-tag {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 600;
  color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-hairline);
  padding: 5px 12px;
  border-radius: var(--radius-xs);
  margin-bottom: 24px;
}

.hero-title {
  font-size: 3.2rem;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.035em;
  margin-bottom: 22px;
  color: #fff;
}

.gradient-text-purple {
  color: #fff;
}

.gradient-text-green {
  color: var(--text-secondary);
  font-weight: 700;
}

.hero-desc {
  font-size: 1.08rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 34px;
  max-width: 580px;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  padding-top: 28px;
  border-top: 1px solid var(--border-hairline);
}

.metric-item {
  display: flex;
  flex-direction: column;
}

.metric-value {
  font-size: 1.75rem;
  font-weight: 800;
  color: #fff;
  font-family: var(--font-mono);
  letter-spacing: -0.03em;
}

.metric-value span {
  color: var(--proton-purple-light);
  font-size: 1.2rem;
}

.metric-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-top: 4px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ========================================================
   Swiss Terminal & Diagnostic Card
   ======================================================== */
.terminal-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-elevation);
  overflow: hidden;
  position: relative;
}

.terminal-header {
  background: rgba(14, 14, 19, 0.98);
  border-bottom: 1px solid var(--border-hairline);
  padding: 12px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.terminal-dots {
  display: flex;
  align-items: center;
  gap: 6px;
}
.t-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.15);
}
.t-dot.red { background: var(--swiss-red); }
.t-dot.yellow { background: #e0a82e; }
.t-dot.green { background: #22c55e; }

.terminal-title {
  font-size: 0.74rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
  letter-spacing: 0.06em;
}

.terminal-body {
  padding: 24px;
}

.shield-status-box {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px;
  border-radius: var(--radius-sm);
  margin-bottom: 18px;
  border: 1px solid var(--border-hairline);
  background: rgba(255, 255, 255, 0.02);
}

.shield-status-box.protected {
  border-color: rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.03);
}

.shield-info-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.shield-icon-circle {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-xs);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-hairline);
}

.shield-title {
  font-size: 0.92rem;
  font-weight: 700;
  color: #fff;
}

.shield-sub {
  font-size: 0.74rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

/* Switch */
.toggle-switch {
  position: relative;
  display: inline-block;
  width: 44px;
  height: 24px;
}
.toggle-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}
.toggle-slider {
  position: absolute;
  cursor: pointer;
  top: 0; left: 0; right: 0; bottom: 0;
  background-color: #2b2b36;
  border-radius: 24px;
  transition: 0.25s ease;
}
.toggle-slider:before {
  position: absolute;
  content: "";
  height: 18px;
  width: 18px;
  left: 3px;
  bottom: 3px;
  background-color: #fff;
  border-radius: 50%;
  transition: 0.25s ease;
}
input:checked + .toggle-slider {
  background-color: var(--proton-purple);
}
input:checked + .toggle-slider:before {
  transform: translateX(20px);
}

.terminal-data-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 18px;
}

.t-cell {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-xs);
  padding: 10px 12px;
}
.t-label {
  font-size: 0.68rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-family: var(--font-mono);
  margin-bottom: 2px;
}
.t-val {
  font-size: 0.82rem;
  font-family: var(--font-mono);
  font-weight: 600;
  color: #fff;
}
.t-val.green { color: #fff; }
.t-val.danger { color: var(--swiss-red); }

/* Crypto Stream Box */
.crypto-stream-box {
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-xs);
  padding: 12px 14px;
}
.stream-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.68rem;
  color: var(--text-muted);
  margin-bottom: 6px;
  font-family: var(--font-mono);
  letter-spacing: 0.06em;
}
.stream-canvas {
  width: 100%;
  height: 44px;
  display: block;
}

/* ========================================================
   Section Standards (Architectural Blocks)
   ======================================================== */
.section {
  padding: 84px 0;
  border-bottom: 1px solid var(--border-hairline);
  position: relative;
}

.section-header {
  max-width: 780px;
  margin-bottom: 48px;
}

.section-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.section-title {
  font-size: 2.3rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 14px;
  color: #fff;
}

.section-subtitle {
  font-size: 1.02rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* ========================================================
   Diagnostic Suite (Swiss Ledger Aesthetic)
   ======================================================== */
.diagnostic-container {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: var(--shadow-subtle);
}

.diag-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-hairline);
  padding-bottom: 22px;
  margin-bottom: 28px;
  flex-wrap: wrap;
  gap: 16px;
}

.diag-info-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.02em;
}
.diag-info-sub {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
  margin-top: 2px;
}

.diag-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 28px;
}

.diag-card {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-sm);
  padding: 18px;
  transition: var(--transition-fast);
}
.diag-card:hover {
  border-color: var(--border-subtle);
  background: rgba(255, 255, 255, 0.035);
}

.diag-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.diag-card-icon {
  font-size: 1rem;
}

.diag-status-badge {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 600;
  padding: 2px 6px;
  border-radius: var(--radius-xs);
  text-transform: uppercase;
}
.badge-safe {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  border: 1px solid var(--border-hairline);
}
.badge-warning {
  background: rgba(255, 183, 3, 0.1);
  color: #ffb703;
  border: 1px solid rgba(255, 183, 3, 0.25);
}
.badge-danger {
  background: var(--swiss-red-dim);
  color: var(--swiss-red);
  border: 1px solid var(--border-swiss);
}

.diag-card-name {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 4px;
}

.diag-card-value {
  font-size: 0.95rem;
  font-family: var(--font-mono);
  font-weight: 700;
  color: #fff;
  margin-bottom: 6px;
  word-break: break-all;
}

.diag-card-detail {
  font-size: 0.72rem;
  color: var(--text-muted);
  line-height: 1.4;
}

/* Comparison Bar */
.leak-comparison-box {
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-sm);
  padding: 24px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 24px;
}

.comp-col {
  padding: 16px;
  border-radius: var(--radius-xs);
}
.comp-col.exposed {
  background: rgba(229, 57, 53, 0.06);
  border: 1px solid var(--border-swiss);
}
.comp-col.protected-col {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
}

.comp-badge {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 2px;
  display: inline-block;
  margin-bottom: 8px;
}
.exposed .comp-badge { background: var(--swiss-red); color: #fff; }
.protected-col .comp-badge { background: #fff; color: #000; }

.comp-title {
  font-size: 0.98rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 10px;
}

.comp-list {
  list-style: none;
  font-size: 0.8rem;
  color: var(--text-secondary);
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.comp-divider {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
  display: flex;
  flex-direction: column;
  align-items: center;
}
.comp-divider-arrow {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border-hairline);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 4px;
}

/* ========================================================
   Projects Grid (Architectural Wireframe Cards)
   ======================================================== */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.project-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-md);
  padding: 30px;
  position: relative;
  display: flex;
  flex-direction: column;
  transition: var(--transition-fast);
}

.project-card:hover {
  border-color: var(--border-subtle);
  background: var(--bg-card-hover);
  transform: translateY(-2px);
}

.proj-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.proj-tag {
  font-size: 0.68rem;
  font-family: var(--font-mono);
  font-weight: 700;
  padding: 2px 8px;
  border-radius: var(--radius-xs);
  text-transform: uppercase;
}
.proj-tag.beta {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  border: 1px solid var(--border-subtle);
}
.proj-tag.alpha {
  background: var(--proton-purple-dim);
  color: var(--proton-purple-light);
  border: 1px solid var(--border-purple);
}

.proj-id {
  font-size: 0.72rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
}

.proj-title {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: #fff;
}

.proj-desc {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 18px;
}

.proj-specs {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 20px;
}

.spec-pill {
  font-size: 0.72rem;
  font-family: var(--font-mono);
  color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-hairline);
  padding: 3px 8px;
  border-radius: var(--radius-xs);
}

.proj-preview-box {
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-xs);
  padding: 12px 14px;
  margin-top: auto;
  font-size: 0.74rem;
  font-family: var(--font-mono);
}

.preview-row {
  display: flex;
  justify-content: space-between;
  margin-bottom: 4px;
}
.preview-row:last-child {
  margin-bottom: 0;
}
.preview-k { color: var(--text-muted); }
.preview-v { color: #fff; font-weight: 600; }

/* ========================================================
   Protocol Matrix & Benchmark Runner
   ======================================================== */
.matrix-wrapper {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-subtle);
}

.protocol-table-container {
  overflow-x: auto;
  margin-bottom: 32px;
}

.protocol-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.85rem;
}

.protocol-table th {
  padding: 12px 16px;
  background: rgba(255, 255, 255, 0.02);
  color: var(--text-muted);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-family: var(--font-mono);
  border-bottom: 1px solid var(--border-hairline);
}

.protocol-table td {
  padding: 16px;
  border-bottom: 1px solid var(--border-hairline);
  color: var(--text-secondary);
}

.proto-badge {
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: #fff;
}

.proto-tag-highlight {
  font-size: 0.64rem;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border-subtle);
  color: #fff;
  padding: 1px 5px;
  border-radius: var(--radius-xs);
}

.bar-meter {
  width: 90px;
  height: 6px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 2px;
  overflow: hidden;
  display: inline-block;
  vertical-align: middle;
  margin-right: 6px;
}
.bar-fill {
  height: 100%;
  background: #ffffff;
}

/* Benchmark Simulator */
.benchmark-runner {
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-sm);
  padding: 22px;
}

.runner-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  flex-wrap: wrap;
  gap: 14px;
}

.protocol-selector-tabs {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.tab-btn {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-hairline);
  color: var(--text-secondary);
  padding: 6px 12px;
  border-radius: var(--radius-xs);
  font-size: 0.78rem;
  font-family: var(--font-mono);
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-fast);
}
.tab-btn.active, .tab-btn:hover {
  background: #ffffff;
  color: #070709;
  border-color: #ffffff;
}

.benchmark-results-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: 18px;
}

.bench-card {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-xs);
  padding: 14px;
  text-align: center;
}

.bench-lbl {
  font-size: 0.68rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 4px;
}

.bench-num {
  font-size: 1.7rem;
  font-family: var(--font-mono);
  font-weight: 800;
  color: #fff;
}

.bench-unit {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* ========================================================
   Global Server Nodes
   ======================================================== */
.servers-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.server-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-sm);
  padding: 20px;
  transition: var(--transition-fast);
}
.server-card:hover {
  border-color: var(--border-subtle);
  background: var(--bg-card-hover);
}

.server-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.server-flag-city {
  display: flex;
  align-items: center;
  gap: 10px;
}

.server-name {
  font-size: 0.95rem;
  font-weight: 700;
  color: #fff;
}
.server-type {
  font-size: 0.68rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.server-load-badge {
  font-size: 0.68rem;
  font-family: var(--font-mono);
  font-weight: 600;
  padding: 2px 6px;
  border-radius: var(--radius-xs);
}
.load-low {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  border: 1px solid var(--border-hairline);
}
.load-med {
  background: rgba(255, 183, 3, 0.1);
  color: #ffb703;
  border: 1px solid rgba(255, 183, 3, 0.25);
}
.load-high {
  background: var(--swiss-red-dim);
  color: var(--swiss-red);
  border: 1px solid var(--border-swiss);
}

.server-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--border-hairline);
}

.s-stat-lbl {
  font-size: 0.65rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
  text-transform: uppercase;
}
.s-stat-val {
  font-size: 0.82rem;
  font-family: var(--font-mono);
  font-weight: 600;
  color: #fff;
}

/* ========================================================
   Pricing & Plans Section
   ======================================================== */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  align-items: stretch;
}

.pricing-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-md);
  padding: 32px 26px;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: var(--transition-fast);
}

.pricing-card:hover {
  border-color: var(--border-subtle);
  transform: translateY(-2px);
}

.pricing-card.popular {
  border: 2px solid #ffffff;
  background: var(--bg-card);
}

.popular-badge {
  position: absolute;
  top: -12px;
  left: 24px;
  background: #ffffff;
  color: #070709;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 2px 10px;
  border-radius: var(--radius-xs);
}

.pricing-plan-name {
  font-size: 1.25rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 4px;
}

.pricing-plan-sub {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 20px;
  min-height: 38px;
}

.pricing-price-box {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin-bottom: 4px;
}

.price-currency {
  font-size: 1.3rem;
  font-weight: 700;
  color: #fff;
}

.price-amount {
  font-size: 2.6rem;
  font-weight: 900;
  font-family: var(--font-mono);
  color: #fff;
  line-height: 1;
  letter-spacing: -0.04em;
}

.price-period {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.pricing-save-tag {
  display: inline-block;
  font-size: 0.68rem;
  font-family: var(--font-mono);
  font-weight: 600;
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border-hairline);
  padding: 2px 8px;
  border-radius: var(--radius-xs);
  margin-bottom: 22px;
}

.pricing-features-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 28px;
  font-size: 0.82rem;
  color: var(--text-secondary);
  flex-grow: 1;
}

.pricing-features-list li {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  line-height: 1.4;
}

.pricing-check {
  color: #fff;
  font-weight: 800;
  font-size: 0.85rem;
  flex-shrink: 0;
}

.pricing-cta {
  width: 100%;
  margin-top: auto;
}

/* ========================================================
   Swiss Fortress & Legal Section
   ======================================================== */
.swiss-section {
  background: var(--bg-surface);
}

.swiss-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.swiss-badge-card {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.audit-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-sm);
}

.audit-icon {
  font-size: 1.3rem;
}

.audit-title {
  font-size: 0.92rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 2px;
}

.audit-desc {
  font-size: 0.78rem;
  color: var(--text-secondary);
}

.hash-pill {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--text-muted);
  background: rgba(0, 0, 0, 0.3);
  padding: 2px 6px;
  border-radius: var(--radius-xs);
  display: inline-block;
  margin-top: 6px;
  word-break: break-all;
}

/* ========================================================
   Early Access Application Box
   ======================================================== */
.signup-box {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 44px;
  max-width: 820px;
  margin: 0 auto;
  box-shadow: var(--shadow-subtle);
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-bottom: 18px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group.full-width {
  grid-column: 1 / -1;
}

.form-label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
  font-family: var(--font-mono);
}

.form-input, .form-select {
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-xs);
  padding: 10px 14px;
  font-size: 0.88rem;
  color: #fff;
  outline: none;
  font-family: var(--font-sans);
  transition: var(--transition-fast);
}

.form-input:focus, .form-select:focus {
  border-color: #ffffff;
  background: rgba(0, 0, 0, 0.6);
}

.checkbox-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.chip-label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-hairline);
  padding: 6px 12px;
  border-radius: var(--radius-xs);
  font-size: 0.78rem;
  color: var(--text-secondary);
  font-family: var(--font-mono);
  cursor: pointer;
  transition: var(--transition-fast);
}
.chip-label input { display: none; }
.chip-label:has(input:checked) {
  background: #ffffff;
  color: #070709;
  border-color: #ffffff;
}

/* ========================================================
   Interactive Modal for Beta Token
   ======================================================== */
.modal-overlay {
  position: fixed;
  top: 0; left: 0;
  width: 100vw; height: 100vh;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(16px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-content {
  background: var(--bg-surface);
  border: 1px solid var(--border-active);
  border-radius: var(--radius-lg);
  padding: 36px;
  max-width: 540px;
  width: 100%;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.9);
  position: relative;
}

.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 1.4rem;
  cursor: pointer;
}
.modal-close:hover { color: #fff; }

.token-box {
  background: rgba(0, 0, 0, 0.45);
  border: 1px dashed var(--border-subtle);
  border-radius: var(--radius-xs);
  padding: 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: 18px 0;
}
.token-str {
  font-family: var(--font-mono);
  font-size: 1.05rem;
  color: #fff;
  font-weight: 700;
  letter-spacing: 0.04em;
}

/* ========================================================
   FAQ Accordion
   ======================================================== */
.faq-list {
  max-width: 820px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.faq-item {
  background: var(--bg-surface);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-xs);
  overflow: hidden;
  transition: var(--transition-fast);
}
.faq-item:hover {
  border-color: var(--border-subtle);
}

.faq-trigger {
  width: 100%;
  padding: 18px 20px;
  background: transparent;
  border: none;
  color: #fff;
  font-size: 0.95rem;
  font-weight: 600;
  text-align: left;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
}

.faq-icon {
  font-size: 0.85rem;
  color: var(--text-muted);
  transition: transform 0.25s ease;
}
.faq-item.open .faq-icon {
  transform: rotate(180deg);
}

.faq-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  padding: 0 20px;
  color: var(--text-secondary);
  font-size: 0.86rem;
  line-height: 1.7;
}

.faq-item.open .faq-body {
  max-height: 250px;
  padding-bottom: 18px;
}

/* ========================================================
   Footer
   ======================================================== */
.site-footer {
  background: var(--bg-deepest);
  border-top: 1px solid var(--border-hairline);
  padding: 60px 0 32px;
  color: var(--text-muted);
  font-size: 0.82rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 1fr);
  gap: 36px;
  margin-bottom: 40px;
}

.footer-col-title {
  font-size: 0.75rem;
  font-weight: 700;
  color: #fff;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-family: var(--font-mono);
  margin-bottom: 14px;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  transition: var(--transition-fast);
}
.footer-links a:hover {
  color: #fff;
}

.footer-bottom {
  border-top: 1px solid var(--border-hairline);
  padding-top: 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.74rem;
  font-family: var(--font-mono);
  flex-wrap: wrap;
  gap: 14px;
}

.swiss-flag-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #fff;
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

/* ========================================================
   Responsive Media Queries
   ======================================================== */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .hero-title {
    font-size: 2.6rem;
  }
  .diag-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .projects-grid {
    grid-template-columns: 1fr;
  }
  .servers-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .swiss-grid {
    grid-template-columns: 1fr;
  }
  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin: 0 auto;
  }
  .benchmark-results-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }
  .hero-title {
    font-size: 2.1rem;
  }
  .hero-metrics {
    grid-template-columns: repeat(2, 1fr);
  }
  .leak-comparison-box {
    grid-template-columns: 1fr;
  }
  .servers-grid {
    grid-template-columns: 1fr;
  }
  .form-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .diag-grid {
    grid-template-columns: 1fr;
  }
}