/* StreamVector Modern Stadium Design System */
:root {
  --bg-dark: #070b14;
  --bg-surface: #0e1626;
  --bg-card: rgba(18, 28, 48, 0.65);
  --bg-card-hover: rgba(26, 40, 68, 0.75);
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-glow: rgba(0, 210, 255, 0.3);
  
  --accent-cyan: #00d2ff;
  --accent-cyan-glow: rgba(0, 210, 255, 0.25);
  --accent-blue: #2563eb;
  --accent-amber: #f59e0b;
  --accent-red: #ef4444;
  --accent-green: #10b981;
  
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  
  --font-sans: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: "SF Mono", Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  
  --transition-fast: 0.2s ease;
  --transition-medium: 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
  color-scheme: dark;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-dark);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  background-image: 
    radial-gradient(circle at 50% -20%, rgba(0, 210, 255, 0.15), transparent 45%),
    radial-gradient(circle at 10% 40%, rgba(37, 99, 235, 0.1), transparent 35%),
    radial-gradient(circle at 90% 80%, rgba(0, 210, 255, 0.08), transparent 40%);
  background-attachment: fixed;
}

/* Container */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.container-narrow {
  max-width: 860px;
}

/* Navigation */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(7, 11, 20, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-subtle);
  transition: var(--transition-fast);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--text-main);
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
}

.brand-icon {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  box-shadow: 0 0 15px var(--accent-cyan-glow);
  object-fit: cover;
}

.brand-text {
  background: linear-gradient(135deg, #ffffff 40%, var(--accent-cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.brand-badge {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: rgba(0, 210, 255, 0.15);
  color: var(--accent-cyan);
  padding: 2px 7px;
  border-radius: 4px;
  border: 1px solid rgba(0, 210, 255, 0.3);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  text-decoration: none;
  color: var(--text-muted);
  font-size: 0.95rem;
  font-weight: 500;
  transition: color var(--transition-fast);
}

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

.nav-links a.active {
  color: var(--accent-cyan);
}

.nav-cta {
  display: flex;
  align-items: center;
  gap: 16px;
}

.mobile-menu-btn {
  display: none;
  background: transparent;
  border: none;
  color: var(--text-main);
  cursor: pointer;
  padding: 8px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  border: 1px solid transparent;
}

.btn-primary {
  background: linear-gradient(135deg, #00d2ff, #0088cc);
  color: #050b14;
  box-shadow: 0 4px 20px rgba(0, 210, 255, 0.35);
  font-weight: 700;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 25px rgba(0, 210, 255, 0.5);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-main);
  border: 1px solid var(--border-subtle);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}

.btn-app-store {
  background: #000000;
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 10px 20px;
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  transition: var(--transition-fast);
}

.btn-app-store:hover {
  border-color: var(--accent-cyan);
  box-shadow: 0 4px 20px rgba(0, 210, 255, 0.25);
  transform: translateY(-2px);
}

.btn-app-store svg {
  width: 28px;
  height: 28px;
  fill: currentColor;
}

.btn-app-store-text {
  display: flex;
  flex-direction: column;
  text-align: left;
  line-height: 1.1;
}

.btn-app-store-small {
  font-size: 0.65rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: #cbd5e1;
}

.btn-app-store-large {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

/* Hero Section */
.hero {
  padding: 80px 0 60px;
  text-align: center;
  position: relative;
}

.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: 100px;
  background: rgba(0, 210, 255, 0.1);
  border: 1px solid rgba(0, 210, 255, 0.25);
  color: var(--accent-cyan);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 24px;
}

.pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--accent-cyan);
  box-shadow: 0 0 10px var(--accent-cyan);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { transform: scale(0.95); opacity: 0.8; }
  50% { transform: scale(1.2); opacity: 1; }
  100% { transform: scale(0.95); opacity: 0.8; }
}

.hero-title {
  font-size: clamp(2.5rem, 5vw, 4.2rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
  max-width: 950px;
  margin-left: auto;
  margin-right: auto;
}

.hero-title-gradient {
  background: linear-gradient(135deg, #ffffff 30%, var(--accent-cyan) 85%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: clamp(1.1rem, 2vw, 1.35rem);
  color: var(--text-muted);
  max-width: 760px;
  margin: 0 auto 36px;
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 50px;
}

/* Stadium Live Preview Studio Mockup */
.preview-stage {
  position: relative;
  max-width: 1000px;
  margin: 0 auto;
  background: #020611;
  border-radius: var(--radius-xl);
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 25px 60px -15px rgba(0, 0, 0, 0.8), 0 0 40px rgba(0, 210, 255, 0.15);
  overflow: hidden;
  aspect-ratio: 16 / 9;
}

.court-background {
  position: absolute;
  inset: 0;
  background: 
    radial-gradient(circle at 50% 50%, rgba(30, 58, 138, 0.3), transparent 70%),
    linear-gradient(180deg, #091326 0%, #030814 100%);
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Court lines graphic */
.court-lines {
  position: absolute;
  inset: 20px;
  border: 2px solid rgba(255, 255, 255, 0.15);
  border-radius: 12px;
  pointer-events: none;
}

.court-center-circle {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 140px;
  height: 140px;
  border: 2px solid rgba(255, 255, 255, 0.15);
  border-radius: 50%;
}

.court-center-line {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 2px;
  background: rgba(255, 255, 255, 0.15);
}

.hud-overlay {
  position: absolute;
  inset: 0;
  padding: 20px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  pointer-events: none;
}

.hud-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  pointer-events: auto;
}

.hud-badge-group {
  display: flex;
  align-items: center;
  gap: 10px;
}

.hud-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  backdrop-filter: blur(10px);
}

.hud-badge-live {
  background: rgba(239, 68, 68, 0.2);
  color: #ff4d4d;
  border: 1px solid rgba(239, 68, 68, 0.4);
}

.hud-badge-rec {
  background: rgba(16, 185, 129, 0.2);
  color: #10b981;
  border: 1px solid rgba(16, 185, 129, 0.4);
}

.hud-badge-p2p {
  background: rgba(0, 210, 255, 0.2);
  color: var(--accent-cyan);
  border: 1px solid rgba(0, 210, 255, 0.4);
}

.hud-bottom {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
}

/* Scoreboard PiP overlay */
.pip-scoreboard {
  width: 280px;
  background: rgba(10, 15, 28, 0.88);
  border: 2px solid var(--accent-cyan);
  border-radius: var(--radius-md);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.7), 0 0 20px rgba(0, 210, 255, 0.25);
  overflow: hidden;
  backdrop-filter: blur(15px);
  pointer-events: auto;
  transition: transform var(--transition-fast);
}

.pip-header {
  background: rgba(0, 210, 255, 0.15);
  padding: 6px 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--accent-cyan);
  border-bottom: 1px solid rgba(0, 210, 255, 0.2);
}

.pip-content {
  padding: 12px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  text-align: center;
  gap: 8px;
}

.team-block {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.team-name {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
}

.team-score {
  font-size: 1.8rem;
  font-weight: 800;
  font-family: var(--font-mono);
  color: #ffffff;
}

.game-clock {
  display: flex;
  flex-direction: column;
  align-items: center;
  background: rgba(0, 0, 0, 0.4);
  padding: 4px 8px;
  border-radius: 6px;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.clock-time {
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 700;
  color: var(--accent-amber);
}

.clock-period {
  font-size: 0.65rem;
  font-weight: 600;
  color: var(--text-dim);
}

/* Keystone preview overlay */
.keystone-nodes {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.keystone-pin {
  position: absolute;
  width: 14px;
  height: 14px;
  background: var(--accent-cyan);
  border: 2px solid #ffffff;
  border-radius: 50%;
  box-shadow: 0 0 10px var(--accent-cyan);
  transform: translate(-50%, -50%);
}

.hud-director-label {
  background: rgba(0, 0, 0, 0.6);
  padding: 6px 14px;
  border-radius: 8px;
  border: 1px solid var(--border-subtle);
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Feature Grid */
.section {
  padding: 100px 0;
  position: relative;
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-tag {
  color: var(--accent-cyan);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 12px;
  display: block;
}

.section-title {
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.section-subtitle {
  color: var(--text-muted);
  max-width: 650px;
  margin: 0 auto;
  font-size: 1.05rem;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 32px;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  transition: all var(--transition-medium);
  position: relative;
  overflow: hidden;
}

.feature-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-glow);
  transform: translateY(-4px);
  box-shadow: 0 15px 35px -10px rgba(0, 210, 255, 0.15);
}

.feature-icon-box {
  width: 54px;
  height: 54px;
  border-radius: var(--radius-md);
  background: rgba(0, 210, 255, 0.1);
  border: 1px solid rgba(0, 210, 255, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  color: var(--accent-cyan);
}

.feature-icon-box svg {
  width: 26px;
  height: 26px;
}

.feature-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: #ffffff;
}

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

/* How It Works Diagram */
.workflow-section {
  background: linear-gradient(180deg, rgba(14, 22, 38, 0.5) 0%, rgba(7, 11, 20, 0.8) 100%);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.workflow-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-top: 40px;
}

.workflow-node {
  flex: 1;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 28px;
  position: relative;
}

.workflow-node-number {
  position: absolute;
  top: -14px;
  left: 24px;
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
  color: #050b14;
  font-weight: 800;
  font-size: 0.8rem;
  padding: 2px 10px;
  border-radius: 100px;
}

.workflow-node h3 {
  font-size: 1.15rem;
  margin-bottom: 8px;
}

.workflow-node p {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.workflow-arrow {
  color: var(--accent-cyan);
  opacity: 0.6;
  flex-shrink: 0;
}

/* Legal & Compliance Layout */
.legal-page {
  padding: 60px 0 100px;
}

.legal-header {
  margin-bottom: 40px;
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 24px;
}

.legal-header h1 {
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}

.legal-meta {
  color: var(--text-muted);
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.legal-content {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 40px;
  backdrop-filter: blur(16px);
}

.legal-content h2 {
  font-size: 1.5rem;
  font-weight: 700;
  margin: 32px 0 16px;
  color: #ffffff;
  border-left: 3px solid var(--accent-cyan);
  padding-left: 12px;
}

.legal-content h2:first-of-type {
  margin-top: 0;
}

.legal-content p {
  color: #cbd5e1;
  margin-bottom: 16px;
  font-size: 1rem;
}

.legal-content ul, .legal-content ol {
  margin: 16px 0 24px 24px;
  color: #cbd5e1;
}

.legal-content li {
  margin-bottom: 10px;
}

.legal-content a {
  color: var(--accent-cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.highlight-box {
  background: rgba(0, 210, 255, 0.08);
  border: 1px solid rgba(0, 210, 255, 0.25);
  border-radius: var(--radius-md);
  padding: 20px;
  margin: 24px 0;
}

.highlight-box strong {
  color: var(--accent-cyan);
}

/* FAQ Accordion */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-width: 860px;
  margin: 0 auto;
}

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

.faq-item.open {
  border-color: var(--accent-cyan);
}

.faq-question {
  width: 100%;
  padding: 20px 24px;
  background: transparent;
  border: none;
  color: #ffffff;
  font-size: 1.05rem;
  font-weight: 600;
  text-align: left;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
}

.faq-question svg {
  transition: transform var(--transition-fast);
  color: var(--accent-cyan);
}

.faq-item.open .faq-question svg {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease-out;
  padding: 0 24px;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.faq-item.open .faq-answer {
  max-height: 500px;
  padding-bottom: 24px;
}

/* Footer */
.footer {
  border-top: 1px solid var(--border-subtle);
  background: #04070d;
  padding: 60px 0 30px;
  color: var(--text-muted);
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand p {
  margin-top: 12px;
  font-size: 0.9rem;
  max-width: 320px;
}

.footer-col h4 {
  color: #ffffff;
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

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

.footer-links a:hover {
  color: var(--accent-cyan);
}

.footer-bottom {
  border-top: 1px solid var(--border-subtle);
  padding-top: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.85rem;
  color: var(--text-dim);
}

/* Responsive */
@media (max-width: 900px) {
  .grid-3 {
    grid-template-columns: 1fr;
  }
  
  .grid-2 {
    grid-template-columns: 1fr;
  }
  
  .workflow-container {
    flex-direction: column;
  }
  
  .workflow-arrow {
    transform: rotate(90deg);
  }
  
  .footer-top {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }
  
  .mobile-menu-btn {
    display: block;
  }
  
  .nav-links.mobile-open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: #090e1a;
    padding: 24px;
    border-bottom: 1px solid var(--border-subtle);
    gap: 20px;
  }
  
  .preview-stage {
    aspect-ratio: auto;
    height: 380px;
  }
  
  .pip-scoreboard {
    width: 220px;
  }
  
  .team-score {
    font-size: 1.3rem;
  }
  
  .footer-top {
    grid-template-columns: 1fr;
  }
  
  .footer-bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }
}