/* ============================================================
   HuskyHowl — Product Showcase
   Design language: dark surfaces, Northeastern red (#D41B2C),
   card-based layout, clean sans-serif typography.
   ============================================================ */

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

:root {
  --red: #D41B2C;
  --red-glow: rgba(212, 27, 44, 0.15);
  --red-glow-strong: rgba(212, 27, 44, 0.35);
  --surface: #111111;
  --card: #1A1A1A;
  --card-border: #2A2A2A;
  --text-primary: #FFFFFF;
  --text-secondary: #8A8A8A;
  --text-muted: #6B6B6B;
  --win: #2ECC71;
  --loss: #E74C3C;
  --radius: 16px;
  --radius-sm: 10px;
  --radius-xs: 6px;
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Segoe UI', Roboto, sans-serif;
  background: #000000;
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

a {
  text-decoration: none;
  color: inherit;
}

/* ---------- Navigation ---------- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--card-border);
}

.nav-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav-icon {
  font-size: 22px;
}

.nav-title {
  font-size: 18px;
  font-weight: 800;
  letter-spacing: -0.3px;
}

.nav-cta {
  font-size: 13px;
  font-weight: 600;
  color: white;
  background: var(--red);
  padding: 8px 20px;
  border-radius: 20px;
  transition: opacity 0.2s;
}

.nav-cta:hover {
  opacity: 0.85;
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 100px 24px 60px;
  overflow: hidden;
}

.hero-glow {
  position: absolute;
  top: -200px;
  right: -100px;
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, var(--red-glow-strong) 0%, transparent 70%);
  pointer-events: none;
}

.hero-content {
  max-width: 1120px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  width: 100%;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: 24px;
}

.badge-dot {
  width: 6px;
  height: 6px;
  background: var(--red);
  border-radius: 50%;
  display: inline-block;
}

.hero-headline {
  font-size: clamp(40px, 6vw, 72px);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -2px;
  margin-bottom: 24px;
}

.text-red {
  color: var(--red);
}

.hero-sub {
  font-size: 17px;
  line-height: 1.7;
  color: var(--text-secondary);
  max-width: 480px;
  margin-bottom: 36px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: inherit;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: all 0.2s;
  border-radius: 14px;
}

.btn-primary {
  background: var(--red);
  color: white;
  padding: 14px 28px;
  font-size: 15px;
}

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

.btn-lg {
  padding: 18px 36px;
  font-size: 17px;
  border-radius: 16px;
}

.btn-icon {
  width: 20px;
  height: 20px;
}

.btn-lg .btn-icon {
  width: 22px;
  height: 22px;
}

/* ---------- Phone Mockup ---------- */
.hero-phone {
  display: flex;
  justify-content: center;
}

.phone-frame {
  width: 280px;
  background: #000;
  border-radius: 40px;
  padding: 12px;
  border: 2px solid var(--card-border);
  box-shadow:
    0 0 0 1px rgba(255,255,255,0.05),
    0 25px 80px rgba(0,0,0,0.6),
    0 0 120px var(--red-glow);
}

.phone-screen {
  background: var(--surface);
  border-radius: 30px;
  overflow: hidden;
  aspect-ratio: 9/19.5;
}

/* ---------- Mock App UI ---------- */
.mock-app {
  padding: 20px 14px 14px;
  height: 100%;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.mock-header {
  text-align: center;
  padding-bottom: 4px;
}

.mock-title {
  font-size: 15px;
  font-weight: 800;
  letter-spacing: -0.3px;
}

.mock-hero-card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-sm);
  padding: 14px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.mock-live-badge {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 9px;
  font-weight: 700;
  color: var(--red);
  letter-spacing: 1px;
}

.mock-live-dot {
  width: 6px;
  height: 6px;
  background: var(--red);
  border-radius: 50%;
  display: inline-block;
  animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.mock-matchup {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  gap: 6px;
}

.mock-team {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  font-size: 9px;
  font-weight: 600;
  color: var(--text-secondary);
  flex: 1;
}

.mock-logo {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--card-border);
}

.mock-logo-neu {
  background: var(--red);
}

.mock-logo-opp {
  background: #8B0000;
}

.mock-score-block {
  display: flex;
  align-items: center;
  gap: 6px;
}

.mock-score {
  font-size: 24px;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
}

.mock-dash {
  font-size: 16px;
  color: var(--text-muted);
}

.mock-period {
  font-size: 9px;
  color: var(--text-muted);
}

.mock-section-label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 8px;
  font-weight: 700;
  letter-spacing: 1.2px;
  color: var(--text-muted);
  padding-top: 4px;
}

.mock-claw {
  width: 2px;
  height: 10px;
  background: var(--red);
  border-radius: 1px;
  transform: rotate(-10deg);
}

.mock-scores-row {
  display: flex;
  gap: 6px;
  overflow: hidden;
}

.mock-score-pill {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-xs);
  padding: 8px;
  min-width: 72px;
  flex-shrink: 0;
}

.mock-pill-team {
  font-size: 8px;
  color: var(--text-muted);
  margin-bottom: 3px;
}

.mock-pill-result {
  font-size: 10px;
  font-weight: 700;
}

.mock-pill-result.win {
  color: var(--win);
}

.mock-pill-result.loss {
  color: var(--loss);
}

.mock-prediction-card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-xs);
  padding: 10px;
}

.mock-pred-teams {
  font-size: 9px;
  font-weight: 600;
  margin-bottom: 6px;
}

.mock-pred-bar {
  height: 4px;
  background: var(--card-border);
  border-radius: 2px;
  overflow: hidden;
  margin-bottom: 4px;
}

.mock-pred-fill {
  height: 100%;
  background: var(--red);
  border-radius: 2px;
}

.mock-pred-odds {
  display: flex;
  justify-content: space-between;
  font-size: 8px;
  color: var(--text-muted);
  font-weight: 600;
}

/* ---------- Section Shared ---------- */
.section-label {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
}

.section-label span {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.5px;
  color: var(--text-muted);
}

.claw-accent {
  width: 3px;
  height: 16px;
  background: var(--red);
  border-radius: 2px;
  transform: rotate(-10deg);
}

.section-title {
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 800;
  letter-spacing: -1px;
  margin-bottom: 48px;
}

/* ---------- Features ---------- */
.features {
  padding: 100px 0;
  background: var(--surface);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.feature-card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 28px;
  transition: border-color 0.3s, transform 0.3s;
}

.feature-card:hover {
  border-color: rgba(212, 27, 44, 0.4);
  transform: translateY(-2px);
}

.feature-icon {
  width: 44px;
  height: 44px;
  background: var(--red-glow);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
}

.feature-icon svg {
  width: 22px;
  height: 22px;
  color: var(--red);
}

.feature-card h3 {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 8px;
}

.feature-card p {
  font-size: 14px;
  line-height: 1.65;
  color: var(--text-secondary);
}

/* ---------- Sports ---------- */
.sports {
  padding: 100px 0;
  background: #000;
}

.sports-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.sport-pill {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 20px;
  padding: 10px 20px;
  transition: all 0.2s;
}

.sport-pill:hover {
  border-color: var(--red);
  color: var(--text-primary);
}

/* ---------- CTA ---------- */
.cta {
  position: relative;
  padding: 120px 0;
  text-align: center;
  background: var(--surface);
  overflow: hidden;
}

.cta-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 400px;
  background: radial-gradient(circle, var(--red-glow-strong) 0%, transparent 70%);
  pointer-events: none;
}

.cta-title {
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 900;
  letter-spacing: -1.5px;
  margin-bottom: 16px;
  position: relative;
}

.cta-sub {
  font-size: 17px;
  color: var(--text-secondary);
  max-width: 460px;
  margin: 0 auto 36px;
  position: relative;
}

.cta .btn {
  position: relative;
}

/* ---------- Footer ---------- */
.footer {
  padding: 40px 0;
  border-top: 1px solid var(--card-border);
  background: #000;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  text-align: center;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 16px;
}

.footer-disclaimer {
  font-size: 12px;
  color: var(--text-muted);
  max-width: 500px;
}

.footer-copy {
  font-size: 12px;
  color: var(--text-muted);
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 48px;
  }

  .hero-sub {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-actions {
    justify-content: center;
  }

  .hero-glow {
    top: -100px;
    right: -200px;
  }
}

@media (max-width: 600px) {
  .features-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    padding: 100px 20px 40px;
  }

  .hero-headline {
    letter-spacing: -1px;
  }

  .phone-frame {
    width: 240px;
  }

  .sports-pills {
    gap: 8px;
  }

  .sport-pill {
    font-size: 12px;
    padding: 8px 14px;
  }

  .section-title {
    margin-bottom: 32px;
  }

  .features,
  .sports,
  .cta {
    padding: 72px 0;
  }
}