/* ==========================================================================
   Vivex Network - Modern Web3 Stylesheet
   ========================================================================== */

:root {
  --bg-dark: #080b11;
  --bg-card: rgba(18, 24, 38, 0.7);
  --bg-card-hover: rgba(28, 36, 56, 0.85);
  --border-color: rgba(255, 255, 255, 0.08);
  --border-highlight: rgba(124, 58, 237, 0.4);

  --primary: #7c3aed;
  --primary-light: #a78bfa;
  --primary-glow: rgba(124, 58, 237, 0.35);

  --accent-cyan: #06b6d4;
  --accent-cyan-glow: rgba(6, 182, 212, 0.35);

  --text-main: #f3f4f6;
  --text-muted: #9ca3af;
  --text-dim: #6b7280;

  --font-family: 'Plus Jakarta Sans', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 24px;
  --radius-full: 9999px;

  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --container-max: 1200px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background-color: var(--bg-dark);
  color: var(--text-main);
  font-family: var(--font-family);
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Background Gradients & Glows */
.bg-glow-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  overflow: hidden;
  z-index: -1;
  pointer-events: none;
}

.glow-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.25;
}

.glow-orb-1 {
  width: 500px;
  height: 500px;
  background: var(--primary);
  top: -100px;
  left: -100px;
}

.glow-orb-2 {
  width: 450px;
  height: 450px;
  background: var(--accent-cyan);
  bottom: 10%;
  right: -100px;
}

.glow-orb-3 {
  width: 350px;
  height: 350px;
  background: #ec4899;
  top: 40%;
  left: 40%;
  transform: translate(-50%, -50%);
  opacity: 0.15;
}

/* Container */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Header & Navbar */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(8, 11, 17, 0.8);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-color);
  transition: var(--transition);
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--text-main);
  font-weight: 800;
  font-size: 1.4rem;
  letter-spacing: -0.5px;
}

.logo-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--primary), var(--accent-cyan));
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 900;
  font-size: 1.2rem;
  box-shadow: 0 4px 20px var(--primary-glow);
}

.logo-text span {
  background: linear-gradient(135deg, var(--primary-light), var(--accent-cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

.nav-link {
  color: var(--text-muted);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  transition: var(--transition);
  position: relative;
  padding: 0.5rem 0;
}

.nav-link:hover,
.nav-link.active {
  color: var(--text-main);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--accent-cyan));
  border-radius: 2px;
}

.header-cta {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Mobile Nav Toggle */
.mobile-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-main);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 8px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 0.75rem 1.75rem;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  text-decoration: none;
  transition: var(--transition);
  cursor: pointer;
  border: 1px solid transparent;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), #6366f1);
  color: #fff;
  box-shadow: 0 4px 25px var(--primary-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 30px rgba(124, 58, 237, 0.5);
}

.btn-secondary {
  background: var(--bg-card);
  color: var(--text-main);
  border-color: var(--border-color);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-highlight);
  transform: translateY(-2px);
}

/* Hero Section */
.hero {
  padding: 6rem 0 4rem;
  text-align: center;
  position: relative;
}

.badge-glow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 0.4rem 1.2rem;
  background: rgba(124, 58, 237, 0.12);
  border: 1px solid rgba(124, 58, 237, 0.3);
  border-radius: var(--radius-full);
  color: var(--primary-light);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
}

.badge-dot {
  width: 8px;
  height: 8px;
  background: var(--accent-cyan);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--accent-cyan);
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -1px;
  margin-bottom: 1.5rem;
}

.gradient-text {
  background: linear-gradient(135deg, #ffffff 30%, var(--primary-light) 70%, var(--accent-cyan) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 1.2rem;
  color: var(--text-muted);
  max-width: 680px;
  margin: 0 auto 2.5rem;
}

.hero-btns {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.25rem;
  flex-wrap: wrap;
}

/* Features Grid */
.section {
  padding: 5rem 0;
}

.section-title {
  text-align: center;
  font-size: 2.25rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.section-desc {
  text-align: center;
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto 3.5rem;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.5rem;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 2rem;
  transition: var(--transition);
  backdrop-filter: blur(12px);
  display: flex;
  flex-direction: column;
}

.feature-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-highlight);
  transform: translateY(-4px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4);
}

.feature-icon {
  width: 52px;
  height: 52px;
  background: rgba(124, 58, 237, 0.15);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--primary-light);
  margin-bottom: 1.5rem;
  border: 1px solid rgba(124, 58, 237, 0.2);
}

.feature-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.feature-text {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* Page Layout for Whitepaper, Privacy, Terms */
.page-header {
  padding: 4rem 0 3rem;
  text-align: center;
  border-bottom: 1px solid var(--border-color);
  background: linear-gradient(180deg, rgba(124, 58, 237, 0.05) 0%, transparent 100%);
}

.page-title {
  font-size: 2.75rem;
  font-weight: 800;
  margin-bottom: 1rem;
}

.page-desc {
  color: var(--text-muted);
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto;
}

.document-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 3rem;
  padding: 3rem 0 5rem;
}

.document-layout.single-column {
  grid-template-columns: 1fr;
  max-width: 860px;
  margin: 0 auto;
}

/* Sidebar Navigation */
.doc-sidebar {
  position: sticky;
  top: 100px;
  height: fit-content;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  backdrop-filter: blur(12px);
}

.sidebar-title {
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-dim);
  margin-bottom: 1rem;
  font-weight: 700;
}

.sidebar-nav {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.sidebar-link {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.95rem;
  display: block;
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.sidebar-link:hover,
.sidebar-link.active {
  color: var(--primary-light);
  background: rgba(124, 58, 237, 0.1);
}

/* Content Article */
.doc-content {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 3rem;
  backdrop-filter: blur(12px);
}

.doc-section {
  margin-bottom: 3rem;
}

.doc-section:last-child {
  margin-bottom: 0;
}

.doc-section h2 {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--text-main);
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border-color);
  scroll-margin-top: 100px;
}

.doc-section h3 {
  font-size: 1.3rem;
  font-weight: 600;
  margin: 1.5rem 0 0.75rem;
  color: var(--primary-light);
}

.doc-section p {
  color: var(--text-muted);
  margin-bottom: 1rem;
  font-size: 1rem;
  line-height: 1.7;
}

.doc-section ul, .doc-section ol {
  color: var(--text-muted);
  margin: 0 0 1.5rem 1.5rem;
  line-height: 1.7;
}

.doc-section li {
  margin-bottom: 0.5rem;
}

.callout-box {
  background: rgba(6, 182, 212, 0.08);
  border-left: 4px solid var(--accent-cyan);
  padding: 1.25rem 1.5rem;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin: 1.5rem 0;
}

.callout-box p {
  margin: 0;
  color: var(--text-main);
  font-size: 0.95rem;
}

/* Footer */
.site-footer {
  margin-top: auto;
  background: rgba(5, 7, 12, 0.95);
  border-top: 1px solid var(--border-color);
  padding: 4rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-brand p {
  color: var(--text-muted);
  margin-top: 1rem;
  max-width: 300px;
  font-size: 0.95rem;
}

.footer-col-title {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
  color: var(--text-main);
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--primary-light);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 2rem;
  border-top: 1px solid var(--border-color);
  color: var(--text-dim);
  font-size: 0.875rem;
}

/* Responsive Media Queries */
@media (max-width: 992px) {
  .hero-title {
    font-size: 2.75rem;
  }

  .document-layout {
    grid-template-columns: 1fr;
  }

  .doc-sidebar {
    display: none; /* Can be toggled or kept simple on mobile */
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 80px;
    left: 0;
    width: 100%;
    background: rgba(8, 11, 17, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 2rem;
    gap: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    transform: translateY(-150%);
    transition: var(--transition);
    z-index: 999;
  }

  .nav-links.active {
    transform: translateY(0);
  }

  .mobile-toggle {
    display: block;
  }

  .hero-title {
    font-size: 2.25rem;
  }

  .doc-content {
    padding: 1.75rem;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
}

/* App Logo Image Styles */
.logo-img {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  object-fit: cover;
  box-shadow: 0 4px 20px var(--primary-glow);
}

.hero-logo-img {
  width: 96px;
  height: 96px;
  border-radius: 24px;
  object-fit: cover;
  margin-bottom: 1.25rem;
  box-shadow: 0 10px 30px rgba(16, 185, 129, 0.3);
  border: 2px solid var(--border-color);
}

/* Roadmap Custom Styles */
.roadmap-timeline {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-top: 2rem;
}

.roadmap-card {
  background: var(--surface);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 1.75rem;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.roadmap-card:hover {
  border-color: var(--primary);
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}

.roadmap-card.active-phase {
  border: 2px solid var(--primary);
  background: linear-gradient(135deg, rgba(16,185,129,0.08), rgba(8,11,17,0.95));
}

.roadmap-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.phase-tag {
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 1px;
  padding: 4px 12px;
  border-radius: 20px;
  text-transform: uppercase;
}

.phase-tag.active {
  background: rgba(16, 185, 129, 0.15);
  color: var(--primary-light);
  border: 1px solid var(--primary);
}

.phase-tag.upcoming {
  background: rgba(14, 165, 233, 0.15);
  color: var(--accent-cyan);
  border: 1px solid var(--accent-cyan);
}

.phase-tag.grand {
  background: rgba(239, 68, 68, 0.15);
  color: #ef4444;
  border: 1px solid #ef4444;
}

/* Tokenomics Custom Styles */
.tokenomics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.25rem;
  margin-top: 2rem;
}

.tokenomics-card {
  background: var(--surface);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 1.5rem;
  transition: var(--transition);
}

.tokenomics-card:hover {
  border-color: var(--primary-light);
  transform: translateY(-3px);
}

.tokenomics-percent {
  font-size: 2.25rem;
  font-weight: 900;
  line-height: 1;
  margin: 0.5rem 0;
}