/* ZETTA WORD — Institutional Premium CSS
   Design Philosophy: Frio, Preciso, Silencioso, Dominante, Atemporal
   Inspired by: Big Tech, Institutional Architecture, Nordic Symbolism
*/

/* ========== CSS Variables ========== */
:root {
  --bg-primary: #000000;
  --bg-secondary: #030305;
  --bg-tertiary: #0a0a0f;
  --bg-card: #0d0d12;
  --bg-card-hover: #111118;
  --accent-primary: #00d4ff;
  --accent-secondary: #0066ff;
  --accent-glow: rgba(0, 212, 255, 0.15);
  --accent-gold: #c9a955;
  --white: #ffffff;
  --white-95: rgba(255, 255, 255, 0.95);
  --white-85: rgba(255, 255, 255, 0.85);
  --white-70: rgba(255, 255, 255, 0.70);
  --white-50: rgba(255, 255, 255, 0.50);
  --white-30: rgba(255, 255, 255, 0.30);
  --white-15: rgba(255, 255, 255, 0.15);
  --white-08: rgba(255, 255, 255, 0.08);
  --white-05: rgba(255, 255, 255, 0.05);
  --border-subtle: rgba(255, 255, 255, 0.06);
  --border-medium: rgba(255, 255, 255, 0.1);
  --glow-primary: 0 0 60px rgba(0, 212, 255, 0.08);
  --glow-strong: 0 0 80px rgba(0, 212, 255, 0.12);
  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.4);
  --shadow-elevated: 0 8px 40px rgba(0, 0, 0, 0.5);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-xl: 20px;
  --transition-fast: 180ms ease;
  --transition-med: 300ms ease;
  --transition-slow: 500ms cubic-bezier(0.16, 1, 0.3, 1);
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'SF Mono', 'Fira Code', Monaco, Consolas, monospace;
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-primary, 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif);
  font-size: 16px;
  line-height: 1.6;
  color: var(--white-85, rgba(255, 255, 255, 0.85));
  background: var(--bg-primary, #000000);
  min-height: 100vh;
  overflow-x: hidden;
}

html[dir="rtl"] body {
  font-family: "Noto Kufi Arabic", "Noto Sans Arabic", "Inter", sans-serif;
}

html[dir="rtl"] .brand-text {
  letter-spacing: 0.02em;
}

img, svg { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: color var(--transition-fast); }
button { font: inherit; cursor: pointer; border: none; background: none; }
ul, ol { list-style: none; }

code { 
  font-family: var(--font-mono); 
  background: var(--white-05); 
  padding: 0.2em 0.5em; 
  border-radius: 4px; 
  font-size: 0.7em;
  color: var(--accent-primary);
  overflow-wrap: anywhere;
  word-break: break-all;
  display: inline-block;
  max-width: 100%;
}

@media (min-width: 480px) {
  code {
    font-size: 0.8em;
  }
}

/* ========== Accessibility ========== */
.skip-link {
  position: absolute;
  inset-inline-start: -9999px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.skip-link:focus {
  inset-inline-start: 1rem;
  top: 1rem;
  width: auto;
  height: auto;
  padding: 1rem 1.5rem;
  background: var(--accent-primary);
  color: var(--bg-primary);
  border-radius: var(--radius-sm);
  z-index: 9999;
  font-weight: 600;
}

:focus-visible {
  outline: 2px solid var(--accent-primary);
  outline-offset: 2px;
}

/* ========== Container ========== */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1.25rem;
  position: relative;
  z-index: 2;
}

/* ========== HEADER - Solid, Professional ========== */
.site-header {
  position: fixed;
  top: 0;
  inset-inline: 0;
  z-index: 1000;
  background: var(--bg-primary);
  border-bottom: 1px solid var(--border-subtle);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  gap: 2rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  z-index: 1001;
}

.brand .logo-img {
  height: 36px;
  width: auto;
  object-fit: contain;
}

.brand-text {
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--white);
  text-transform: uppercase;
}

/* Mobile Menu Button */
.menu-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 44px;
  height: 44px;
  gap: 6px;
  z-index: 1001;
  background: transparent;
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast);
}

.menu-toggle:hover {
  background: var(--white-08);
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.menu-toggle.active span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.menu-toggle.active span:nth-child(2) { opacity: 0; }
.menu-toggle.active span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* Navigation */
.nav {
  position: fixed;
  inset: 0;
  background: var(--bg-primary);
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0;
  z-index: 1000;
  padding-top: 64px;
}

.nav.active {
  display: flex;
}

.nav-link {
  font-size: 1.125rem;
  font-weight: 500;
  color: var(--white-70);
  padding: 1rem 2rem;
  display: block;
  text-align: center;
  transition: color var(--transition-fast), background var(--transition-fast);
  width: 100%;
}

.nav-link:hover {
  color: var(--white);
  background: var(--white-05);
}

/* ========== HERO - Epic, Powerful ========== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 100px 0 60px;
  background: var(--bg-primary);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: 
    radial-gradient(ellipse 80% 60% at 50% 20%, rgba(0, 212, 255, 0.06), transparent 60%),
    radial-gradient(ellipse 60% 50% at 80% 80%, rgba(0, 102, 255, 0.04), transparent 50%);
  pointer-events: none;
}

/* Particle Canvas - Fixed fullscreen background */
.particle-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
}

/* Ensure all sections have transparent backgrounds to show particles */
.section,
.section-alt,
.hero,
.site-footer {
  background: transparent !important;
}

/* Body maintains the dark background */
body {
  background: #000000;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-content {
  max-width: 640px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: var(--white-05, rgba(255, 255, 255, 0.05));
  border: 1px solid var(--border-subtle, rgba(255, 255, 255, 0.06));
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-primary, #00d4ff);
  margin-bottom: 1.5rem;
}

.hero-title {
  font-size: clamp(2.25rem, 6vw, 4rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.03em;
  color: var(--white);
  margin-bottom: 1.25rem;
}

.hero-title .accent {
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.125rem;
  color: var(--white-70);
  line-height: 1.7;
  margin-bottom: 2rem;
  max-width: 520px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-logo {
  width: 100%;
  max-width: 320px;
  height: auto;
  filter: drop-shadow(0 0 60px rgba(0, 212, 255, 0.2));
  animation: float 8s ease-in-out infinite;
}

.solar-system {
  position: relative;
  width: 340px;
  height: 340px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto;
}

@media (min-width: 640px) {
  .solar-system { width: 420px; height: 420px; }
}

@media (min-width: 900px) {
  .solar-system { width: 500px; height: 500px; }
}

.gravitational-field {
  position: absolute;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at center, rgba(0,255,255,0.06) 0%, rgba(0,119,204,0.03) 30%, rgba(0,18,51,0.01) 60%, transparent 100%);
  animation: fieldPulse 8s ease-in-out infinite;
  border-radius: 50%;
}

@keyframes fieldPulse {
  0%, 100% { opacity: 0.5; transform: scale(1); }
  50% { opacity: 0.8; transform: scale(1.05); }
}

.core {
  position: absolute;
  width: 70px;
  height: 70px;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
}

.core-glow {
  position: absolute;
  width: 110px;
  height: 110px;
  background: radial-gradient(circle, rgba(255,255,255,0.4) 0%, rgba(0,255,255,0.3) 20%, rgba(0,170,255,0.2) 40%, transparent 70%);
  border-radius: 50%;
  animation: coreBreath 3s ease-in-out infinite;
  filter: blur(8px);
}

@keyframes coreBreath {
  0%, 100% { transform: scale(1); opacity: 0.6; }
  50% { transform: scale(1.2); opacity: 1; }
}

.core-symbol {
  position: relative;
  font-size: 50px;
  font-weight: 900;
  color: #00FFFF;
  text-shadow: 0 0 20px rgba(0,255,255,1), 0 0 40px rgba(0,255,255,0.8), 0 0 60px rgba(0,170,255,0.6);
  animation: symbolPulse 2s ease-in-out infinite;
  font-family: 'Impact', 'Arial Black', sans-serif;
  letter-spacing: -3px;
}

@keyframes symbolPulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

.orbit {
  position: absolute;
  border: 1px solid rgba(0,255,255,0.15);
  border-radius: 50%;
  animation: orbitRotate linear infinite;
}

.orbit-1 { 
  width: clamp(100px, 20vw, 180px); 
  height: clamp(100px, 20vw, 180px); 
  animation-duration: 60s; 
  border-color: rgba(0,255,255,0.25); 
}
.orbit-2 { 
  width: clamp(170px, 35vw, 300px); 
  height: clamp(170px, 35vw, 300px); 
  animation-duration: 90s; 
  border-color: rgba(0,170,255,0.2); 
}
.orbit-3 { 
  width: clamp(240px, 50vw, 420px); 
  height: clamp(240px, 50vw, 420px); 
  animation-duration: 120s; 
  border-color: rgba(0,119,204,0.15); 
}

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

.planet {
  position: absolute;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
}

.planet:hover { transform: scale(1.3); z-index: 200; }
.planet:hover .planet-glow { opacity: 1; transform: scale(1.5); }
.planet:hover .planet-label { opacity: 1; transform: translateY(-45px) scale(1); }

.planet-glow {
  position: absolute;
  border-radius: 50%;
  opacity: 0.6;
  transition: all 0.3s ease;
  filter: blur(8px);
}

.planet-core {
  position: relative;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: inset 0 0 10px rgba(0,0,0,0.5);
}

.planet-icon {
  font-size: 14px;
  filter: drop-shadow(0 0 3px rgba(255,255,255,0.5));
}

.planet-label {
  position: absolute;
  top: -35px;
  inset-inline-start: 50%;
  transform: translateX(-50%) translateY(-10px) scale(0.8);
  background: rgba(0,18,51,0.95);
  padding: 6px 12px;
  border-radius: 6px;
  border: 1px solid rgba(0,255,255,0.3);
  white-space: nowrap;
  font-size: 11px;
  font-weight: 600;
  color: #00FFFF;
  opacity: 0;
  transition: all 0.3s ease;
  pointer-events: none;
  backdrop-filter: blur(10px);
  box-shadow: 0 4px 20px rgba(0,255,255,0.3);
}

.orbit-1 .planet-core { width: 28px; height: 28px; background: linear-gradient(135deg, #00FFFF, #0099FF); }
.orbit-1 .planet-glow { width: 42px; height: 42px; background: radial-gradient(circle, rgba(0,255,255,0.6), transparent); }
.orbit-1 .planet-icon { font-size: 14px; }

.orbit-2 .planet-core { width: 22px; height: 22px; background: linear-gradient(135deg, #0099FF, #0066CC); }
.orbit-2 .planet-glow { width: 34px; height: 34px; background: radial-gradient(circle, rgba(0,170,255,0.5), transparent); }
.orbit-2 .planet-icon { font-size: 12px; }

.orbit-3 .planet-core { width: 18px; height: 18px; background: linear-gradient(135deg, #0066CC, #003366); }
.orbit-3 .planet-glow { width: 28px; height: 28px; background: radial-gradient(circle, rgba(0,119,204,0.4), transparent); }
.orbit-3 .planet-icon { font-size: 10px; }

@keyframes float {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-12px) scale(1.02); }
}

/* ========== Buttons ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.625rem;
  padding: 0.875rem 1.75rem;
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: var(--radius-md, 10px);
  transition: all var(--transition-fast, 180ms ease), color var(--transition-fast, 180ms ease);
  min-height: 48px;
  cursor: pointer;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  color: var(--bg-primary);
  box-shadow: 0 4px 20px rgba(0, 212, 255, 0.25);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0, 212, 255, 0.35);
}

.btn-secondary {
  background: var(--white-08);
  color: var(--white);
  border: 1px solid var(--border-medium);
}

.btn-secondary:hover {
  background: var(--white-15, rgba(255, 255, 255, 0.15));
  border-color: var(--white-30, rgba(255, 255, 255, 0.30));
  color: var(--accent-primary, #00d4ff);
}

.btn-metamask {
  background: transparent;
  color: #f6851b;
  font-weight: 600;
  font-size: 0.875rem;
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(246, 133, 27, 0.4);
}

.btn-metamask:hover {
  background: rgba(246, 133, 27, 0.1);
  border-color: #f6851b;
}

/* ========== SECTIONS ========== */
.section {
  padding: 80px 0;
  position: relative;
}

.section-alt {
  background: var(--bg-secondary);
}

.section-header {
  text-align: center;
  margin-bottom: 3.5rem;
  max-width: 720px;
  margin-inline: auto;
}

.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent-primary);
  margin-bottom: 1rem;
}

.section-title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  color: var(--white);
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.section-desc {
  font-size: 1.0625rem;
  color: var(--white-70);
  line-height: 1.7;
}

/* ========== CARDS - Premium Style ========== */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  transition: all var(--transition-med);
}

@media (min-width: 480px) {
  .card {
    padding: 2rem;
  }
}

.card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-medium);
  transform: translateY(-4px);
  box-shadow: var(--shadow-elevated);
}

.card-icon {
  width: 56px;
  height: 56px;
  margin-bottom: 1.25rem;
}

.card-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 0.75rem;
}

.card-desc {
  font-size: 0.875rem;
  color: var(--white-70);
  line-height: 1.65;
}

@media (min-width: 480px) {
  .card-desc {
    font-size: 0.9375rem;
  }
}

.card-wide {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  padding: 1.25rem;
}

.card-wide .card-icon {
  width: 48px;
  height: 48px;
}

@media (min-width: 480px) {
  .card-wide {
    gap: 1.5rem;
    padding: 2rem;
  }
  
  .card-wide .card-icon {
    width: 64px;
    height: 64px;
  }
}

/* Feature List */
.feature-list {
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
  margin-top: 1rem;
}

.feature-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.9375rem;
  color: var(--white-70);
  line-height: 1.5;
}

.feature-list li::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--accent-primary);
  border-radius: 50%;
  margin-top: 0.5rem;
  flex-shrink: 0;
}

.feature-list li a {
  color: var(--accent-primary);
  word-break: break-all;
}

.feature-list li a:hover {
  text-decoration: underline;
}

/* ========== ECOSYSTEM GRID ========== */
.ecosystem-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.5rem;
}

@media (min-width: 480px) {
  .ecosystem-grid {
    gap: 0.75rem;
  }
}

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

.eco-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1rem;
  display: flex;
  align-items: center;
  gap: 0.875rem;
  transition: all var(--transition-med);
  min-height: 60px;
}

@media (min-width: 480px) {
  .eco-card {
    padding: 1.25rem;
    gap: 1rem;
  }
}

.eco-card:hover {
  background: var(--bg-card-hover);
  border-color: rgba(0, 212, 255, 0.2);
  transform: translateY(-2px);
}

.eco-icon {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
}

.eco-icon svg {
  width: 44px;
  height: 44px;
}

.eco-body {
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--white-95);
}

/* ========== AUDIT CARD ========== */
.audit-card {
  background: linear-gradient(135deg, rgba(0, 40, 60, 0.8) 0%, rgba(0, 20, 40, 0.95) 100%);
  border: 1px solid rgba(0, 212, 255, 0.25);
  border-radius: var(--radius-xl);
  padding: 2rem 1.5rem;
  text-align: center;
  max-width: 320px;
  margin: 2rem auto 0;
  box-shadow: 0 8px 40px rgba(0, 212, 255, 0.1), inset 0 1px 0 rgba(255, 255, 255, 0.05);
  transition: all var(--transition-med);
}

.audit-card:hover {
  border-color: rgba(0, 212, 255, 0.4);
  transform: translateY(-4px);
  box-shadow: 0 12px 50px rgba(0, 212, 255, 0.15), inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.audit-label {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--white-50);
  margin-bottom: 1rem;
}

.audit-logo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.625rem;
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid rgba(0, 212, 255, 0.2);
  border-radius: 50px;
  padding: 0.625rem 1.25rem;
  margin-bottom: 1rem;
}

.audit-logo svg {
  width: 22px;
  height: 22px;
}

.audit-logo-text {
  font-size: 1rem;
  font-weight: 700;
  color: var(--white);
}

.audit-logo-text span {
  color: var(--accent-primary);
}

.audit-date {
  font-size: 0.8125rem;
  color: var(--white-50);
  margin-bottom: 1.25rem;
}

.audit-project {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 0.5rem;
}

.audit-network {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--white-70);
  margin-bottom: 1.5rem;
}

.audit-network svg {
  width: 18px;
  height: 18px;
}

.btn-audit {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  color: var(--bg-primary);
  font-size: 0.875rem;
  font-weight: 600;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  text-decoration: none;
}

.btn-audit:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 212, 255, 0.3);
}

.btn-audit svg {
  width: 16px;
  height: 16px;
}

@media (min-width: 640px) {
  .audit-card {
    padding: 2.5rem 2rem;
    max-width: 360px;
  }
}

/* ========== STATS GRID ========== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  margin-top: 2rem;
}

.stat-item {
  text-align: center;
  padding: 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
}

.stat-value {
  font-size: 2rem;
  font-weight: 800;
  color: var(--accent-primary);
  margin-bottom: 0.25rem;
}

.stat-label {
  font-size: 0.8125rem;
  color: var(--white-50);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ========== FOOTER ========== */
.site-footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-subtle);
  padding: 60px 0 40px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  margin-bottom: 3rem;
}

.footer-brand .logo-img {
  height: 40px;
  margin-bottom: 1rem;
}

.footer-tagline {
  font-size: 0.9375rem;
  color: var(--white-50);
  max-width: 320px;
  line-height: 1.6;
}

.footer-nav-title {
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--white);
  margin-bottom: 1rem;
}

.footer-nav {
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
}

.footer-nav a {
  font-size: 0.9375rem;
  color: var(--white-50);
  transition: color var(--transition-fast);
}

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

.social-links {
  display: flex;
  gap: 1rem;
  margin-top: 0.5rem;
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
  color: var(--white-50);
  transition: all var(--transition-fast);
}

.social-link:hover {
  background: var(--accent-primary);
  color: #000;
  transform: translateY(-3px);
  box-shadow: 0 4px 15px rgba(0, 212, 255, 0.4);
}

.social-link svg {
  width: 20px;
  height: 20px;
}

.footer-bottom {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-subtle);
  text-align: center;
}

.footer-disclaimer {
  font-size: 0.8125rem;
  color: #9ca3af;
  max-width: 760px;
  margin: 0 auto;
  line-height: 1.6;
}

.footer-copy {
  font-size: 0.8125rem;
  color: var(--white-30);
}

.footer-copy a {
  color: var(--white-50);
}

.footer-copy a:hover {
  color: var(--accent-primary);
}

/* ========== WHITEPAPER PAGE ========== */
.wp-hero {
  padding: 120px 0 60px;
  position: relative;
  z-index: 2;
}

.wp-hero-content {
  text-align: center;
  max-width: 720px;
  margin: 0 auto;
}

.wp-hero-title {
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 800;
  color: var(--white);
  margin-bottom: 0.75rem;
  letter-spacing: -0.03em;
}

.wp-hero-subtitle {
  font-size: 1.25rem;
  color: var(--white-70);
  margin-bottom: 2rem;
}

.wp-hero-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.wp-version {
  font-size: 0.875rem;
  color: var(--white-50);
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.5rem;
}

.wp-divider {
  color: var(--white-30);
}

.wp-toc {
  padding: 60px 0;
  position: relative;
  z-index: 2;
}

.wp-toc-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--white);
  text-align: center;
  margin-bottom: 2rem;
}

.wp-toc-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
}

@media (min-width: 640px) {
  .wp-toc-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 900px) {
  .wp-toc-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.wp-toc-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.wp-toc-item:hover {
  background: var(--bg-card-hover);
  border-color: rgba(0, 212, 255, 0.3);
  transform: translateY(-2px);
}

.wp-toc-number {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent-primary);
  background: rgba(0, 212, 255, 0.1);
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
}

.wp-toc-text {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--white-85);
}

.wp-content {
  padding: 40px 0 80px;
  position: relative;
  z-index: 2;
}

.wp-section {
  margin-bottom: 4rem;
  scroll-margin-top: 80px;
}

.wp-section-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-subtle);
}

.wp-section-number {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--accent-primary);
  background: rgba(0, 212, 255, 0.1);
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-sm);
}

.wp-section-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--white);
}

.wp-section-body {
  color: var(--white-70);
  line-height: 1.8;
}

.wp-section-body p {
  margin-bottom: 1rem;
}

.wp-section-body strong {
  color: var(--white);
}

.wp-section-body ul {
  margin: 1rem 0;
  padding-inline-start: 1.5rem;
}

.wp-section-body ul li {
  margin-bottom: 0.5rem;
  position: relative;
}

.wp-section-body ul li::before {
  content: '';
  position: absolute;
  inset-inline-start: -1rem;
  top: 0.6em;
  width: 5px;
  height: 5px;
  background: var(--accent-primary);
  border-radius: 50%;
}

.wp-section-body h4 {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--white);
  margin: 1.5rem 0 0.75rem;
}

.wp-problems-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin: 1.5rem 0;
}

@media (min-width: 640px) {
  .wp-problems-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.wp-problem-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  text-align: center;
}

.wp-problem-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  color: var(--bg-primary);
  font-weight: 700;
  border-radius: 50%;
  margin-bottom: 0.75rem;
}

.wp-problem-card p {
  margin: 0;
  font-size: 0.9375rem;
}

.wp-principles-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin: 1.5rem 0;
}

@media (min-width: 640px) {
  .wp-principles-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 900px) {
  .wp-principles-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.wp-principle {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.5rem;
}

.wp-principle h4 {
  font-size: 1rem;
  color: var(--accent-primary);
  margin: 0 0 0.5rem;
}

.wp-principle p {
  font-size: 0.875rem;
  margin: 0;
}

.wp-modules-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin: 1.5rem 0;
}

@media (min-width: 640px) {
  .wp-modules-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.wp-module {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.5rem;
}

.wp-module h4 {
  font-size: 1.125rem;
  color: var(--white);
  margin: 0 0 0.5rem;
}

.wp-module-tag {
  display: inline-block;
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--accent-primary);
  background: rgba(0, 212, 255, 0.1);
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  margin-bottom: 0.75rem;
}

.wp-module-tag-future {
  color: var(--accent-gold);
  background: rgba(201, 169, 85, 0.15);
}

.wp-module p {
  font-size: 0.875rem;
  margin: 0;
}

.wp-token-functions {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  margin: 1.5rem 0;
}

.wp-token-functions h4 {
  margin-top: 0;
}

.wp-tokenomics-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin: 1.5rem 0;
}

@media (min-width: 640px) {
  .wp-tokenomics-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.wp-tokenomics-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  text-align: center;
}

.wp-tokenomics-highlight {
  grid-column: span 2;
  background: linear-gradient(135deg, rgba(0, 40, 60, 0.6), rgba(0, 20, 40, 0.8));
  border-color: rgba(0, 212, 255, 0.2);
}

@media (min-width: 640px) {
  .wp-tokenomics-highlight {
    grid-column: span 1;
  }
}

.wp-tokenomics-label {
  display: block;
  font-size: 0.75rem;
  color: var(--white-50);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
}

.wp-tokenomics-value {
  display: block;
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--accent-primary);
}

.wp-tokenomics-unit {
  display: block;
  font-size: 0.75rem;
  color: var(--white-50);
  margin-top: 0.25rem;
}

.wp-tokenomics-info {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  margin-top: 1rem;
}

.wp-tokenomics-info h4 {
  margin-top: 0;
}

.wp-security-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

@media (min-width: 640px) {
  .wp-security-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.wp-security-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.25rem;
}

.wp-security-item svg {
  flex-shrink: 0;
  color: var(--accent-primary);
}

.wp-security-item p {
  margin: 0;
  font-size: 0.9375rem;
}

.wp-governance-list {
  padding-inline-start: 1.5rem;
}

.wp-governance-list li {
  margin-bottom: 0.75rem;
  position: relative;
}

.wp-governance-list li::before {
  content: '';
  position: absolute;
  inset-inline-start: -1rem;
  top: 0.6em;
  width: 5px;
  height: 5px;
  background: var(--accent-primary);
  border-radius: 50%;
}

.wp-roadmap {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: 1.5rem;
}

.wp-roadmap-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  position: relative;
}

.wp-roadmap-item::before {
  content: '';
  position: absolute;
  inset-inline-start: 50px;
  top: 100%;
  width: 2px;
  height: 1rem;
  background: var(--border-subtle);
}

.wp-roadmap-item:last-child::before {
  display: none;
}

.wp-roadmap-phase {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent-primary);
  background: rgba(0, 212, 255, 0.1);
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-sm);
  white-space: nowrap;
}

.wp-roadmap-item p {
  margin: 0;
  font-size: 0.9375rem;
}

.wp-legal-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

@media (min-width: 640px) {
  .wp-legal-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.wp-legal-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.25rem;
}

.wp-legal-item svg {
  flex-shrink: 0;
  color: var(--accent-gold);
}

.wp-legal-item p {
  margin: 0;
  font-size: 0.875rem;
}

.wp-highlight {
  background: linear-gradient(135deg, rgba(0, 40, 60, 0.4), rgba(0, 20, 40, 0.6));
  border-inline-start: 3px solid var(--accent-primary);
  padding: 1rem 1.25rem;
  border-start-start-radius: 0;
  border-end-start-radius: 0;
  border-start-end-radius: var(--radius-md);
  border-end-end-radius: var(--radius-md);
  margin: 1.5rem 0;
}

.wp-disclaimer-box {
  background: rgba(201, 169, 85, 0.1);
  border: 1px solid rgba(201, 169, 85, 0.3);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  margin: 1.5rem 0;
}

.wp-disclaimer-box p {
  margin: 0;
  font-size: 0.875rem;
  color: var(--accent-gold);
}

.wp-cta-section {
  text-align: center;
  padding: 3rem 2rem;
  background: linear-gradient(135deg, rgba(0, 40, 60, 0.4), rgba(0, 20, 40, 0.6));
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  margin-top: 3rem;
}

.wp-cta-section h3 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 1.5rem;
}

.wp-cta-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
}

.nav-link-active {
  color: var(--accent-primary) !important;
}

/* ========== ANIMATIONS ========== */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* ========== RESPONSIVE: Tablet (640px+) ========== */
@media (min-width: 640px) {
  .container { padding: 0 2rem; }
  
  .hero { padding: 120px 0 80px; }
  
  .section { padding: 100px 0; }
  
  .hero-title { font-size: clamp(2.5rem, 5vw, 3.5rem); }
  
  .card-wide {
    grid-template-columns: auto 1fr;
    align-items: flex-start;
    gap: 2rem;
  }
  
  .ecosystem-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .stats-grid {
    grid-template-columns: repeat(4, 1fr);
  }
  
  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr 1fr;
  }
  
  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
    text-align: start;
  }
}

/* ========== RESPONSIVE: Desktop (900px+) ========== */
@media (min-width: 900px) {
  .menu-toggle { display: none; }
  
  .nav {
    display: flex;
    position: static;
    background: none;
    flex-direction: row;
    padding: 0;
    gap: 0;
  }
  
  .nav-link {
    font-size: 0.875rem;
    padding: 0.5rem 1rem;
    width: auto;
  }
  
  .nav-link:hover {
    background: transparent;
    color: var(--accent-primary);
  }
  
  .hero-grid {
    grid-template-columns: 1fr 400px;
    gap: 4rem;
  }
  
  .hero-content {
    max-width: 580px;
  }
  
  .hero-logo {
    max-width: 360px;
  }
  
  .ecosystem-grid {
    grid-template-columns: repeat(4, 1fr);
  }
  
  .card-wide {
    padding: 3rem;
  }
}

/* ========== RESPONSIVE: Large Desktop (1200px+) ========== */
@media (min-width: 1200px) {
  .container { max-width: 1320px; }
  
  .hero-grid {
    grid-template-columns: 1fr 480px;
    gap: 5rem;
  }
  
  .hero-logo {
    max-width: 420px;
  }
  
  .ecosystem-grid {
    grid-template-columns: repeat(6, 1fr);
  }
  
  .section { padding: 120px 0; }
}

/* ========== Reduced Motion ========== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

/* ========== Print ========== */
@media print {
  .site-header, .menu-toggle, .btn, .hero-visual { display: none; }
  body { background: white; color: black; }
}