:root {
  --primary: #2D5BFF;
  --primary-light: #5B7FFF;
  --primary-dark: #1A3FCC;
  --secondary: #7C3AED;
  --secondary-light: #9F67FF;
  --secondary-dark: #5B21B6;
  --accent: #06D6A0;
  --accent-dark: #04B386;
  --accent-light: #34EDBC;
  --bg-dark: #0A0E1A;
  --bg-card: #121829;
  --bg-surface: #1A2035;
  --bg-elevated: #222840;
  --border-subtle: #2A3050;
  --border-medium: #3A4570;
  --text-primary: #F0F2FF;
  --text-secondary: #8892B0;
  --text-muted: #5A6380;
  --success: #06D6A0;
  --warning: #FFB800;
  --danger: #FF4757;
  --gradient-primary: linear-gradient(135deg, var(--primary), var(--secondary));
  --gradient-accent: linear-gradient(135deg, var(--accent), var(--primary));
  --gradient-surface: linear-gradient(180deg, var(--bg-card), var(--bg-dark));
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.4);
  --shadow-glow-primary: 0 0 20px rgba(45, 91, 255, 0.3);
  --shadow-glow-accent: 0 0 20px rgba(6, 214, 160, 0.3);
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;
  --nav-height: 72px;
  --notice-height: 36px;
  --max-width: 1200px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-dark);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
  padding-top: calc(var(--nav-height) + var(--notice-height));
}

a {
  color: var(--primary-light);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--accent);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-primary);
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.5rem, 3.5vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 2.5vw, 1.75rem); }
h4 { font-size: 1.25rem; }

p {
  color: var(--text-secondary);
  margin-bottom: var(--space-md);
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.section {
  padding: var(--space-4xl) 0;
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-3xl);
}

.section-header h2 {
  margin-bottom: var(--space-md);
}

.section-header p {
  max-width: 600px;
  margin: 0 auto;
  font-size: 1.1rem;
}

.gradient-text {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 0.75rem 1.75rem;
  border: none;
  border-radius: var(--radius-md);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  line-height: 1.4;
  white-space: nowrap;
}

.btn-primary {
  background: var(--gradient-primary);
  color: #fff;
  box-shadow: var(--shadow-glow-primary);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 30px rgba(45, 91, 255, 0.5);
  color: #fff;
}

.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border: 2px solid var(--border-medium);
}

.btn-secondary:hover {
  border-color: var(--primary);
  color: var(--primary-light);
  transform: translateY(-2px);
}

.btn-accent {
  background: var(--accent);
  color: var(--bg-dark);
  font-weight: 700;
}

.btn-accent:hover {
  background: var(--accent-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow-accent);
  color: var(--bg-dark);
}

.btn-sm {
  padding: 0.5rem 1.25rem;
  font-size: 0.875rem;
}

.btn-lg {
  padding: 1rem 2.5rem;
  font-size: 1.125rem;
}

/* ---- 18+ Notice Bar ---- */
.notice-bar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--notice-height);
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  font-size: 0.8rem;
  font-weight: 600;
  color: #fff;
  z-index: 1100;
  letter-spacing: 0.03em;
}

.notice-bar i {
  font-size: 0.75rem;
}

/* ---- Navigation ---- */
.navbar {
  position: fixed;
  top: var(--notice-height);
  left: 0;
  right: 0;
  height: var(--nav-height);
  background: rgba(10, 14, 26, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  z-index: 1000;
  display: flex;
  align-items: center;
}

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

.nav-brand {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.nav-brand:hover {
  color: var(--text-primary);
}

.nav-brand .brand-icon {
  width: 36px;
  height: 36px;
  background: var(--gradient-primary);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  color: #fff;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
  list-style: none;
}

.nav-links a {
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 0.95rem;
  transition: color var(--transition-fast);
  position: relative;
}

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

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  border-radius: 1px;
  transition: width var(--transition-base);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.nav-credits {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  background: var(--bg-surface);
  padding: 0.4rem 0.9rem;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.875rem;
  border: 1px solid var(--border-subtle);
}

.nav-credits i {
  color: var(--accent);
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.5rem;
  cursor: pointer;
  padding: var(--space-xs);
}

/* ---- Mobile Navigation ---- */
@media (max-width: 768px) {
  .mobile-toggle {
    display: block;
  }

  .nav-links {
    position: fixed;
    top: calc(var(--nav-height) + var(--notice-height));
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg-dark);
    flex-direction: column;
    justify-content: flex-start;
    padding: var(--space-2xl) var(--space-lg);
    gap: var(--space-lg);
    transform: translateX(100%);
    transition: transform var(--transition-slow);
    z-index: 999;
  }

  .nav-links.open {
    transform: translateX(0);
  }

  .nav-links a {
    font-size: 1.25rem;
  }

  .nav-actions {
    display: none;
  }

  .nav-links.open ~ .nav-actions {
    display: none;
  }
}

/* ---- Hero Section ---- */
.hero {
  position: relative;
  min-height: 80vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% 40%, rgba(45, 91, 255, 0.15), transparent),
    radial-gradient(ellipse 60% 50% at 80% 20%, rgba(124, 58, 237, 0.12), transparent),
    radial-gradient(ellipse 40% 30% at 20% 80%, rgba(6, 214, 160, 0.08), transparent);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 700px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  background: rgba(45, 91, 255, 0.12);
  border: 1px solid rgba(45, 91, 255, 0.3);
  padding: 0.4rem 1rem;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--primary-light);
  margin-bottom: var(--space-lg);
}

.hero h1 {
  margin-bottom: var(--space-lg);
  letter-spacing: -0.02em;
}

.hero-description {
  font-size: 1.2rem;
  line-height: 1.7;
  margin-bottom: var(--space-2xl);
  max-width: 560px;
}

.hero-actions {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.hero-disclaimer {
  margin-top: var(--space-xl);
  font-size: 0.8rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.hero-visual {
  position: absolute;
  right: -5%;
  top: 50%;
  transform: translateY(-50%);
  width: 480px;
  height: 480px;
  border-radius: 50%;
  background: var(--gradient-primary);
  opacity: 0.06;
  filter: blur(80px);
  pointer-events: none;
}

/* ---- Features Section ---- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-xl);
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-primary);
  opacity: 0;
  transition: opacity var(--transition-base);
}

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

.feature-card:hover::before {
  opacity: 1;
}

.feature-icon {
  width: 56px;
  height: 56px;
  background: rgba(45, 91, 255, 0.1);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  color: var(--primary-light);
  margin-bottom: var(--space-lg);
}

.feature-card:nth-child(2) .feature-icon {
  background: rgba(124, 58, 237, 0.1);
  color: var(--secondary-light);
}

.feature-card:nth-child(3) .feature-icon {
  background: rgba(6, 214, 160, 0.1);
  color: var(--accent);
}

.feature-card:nth-child(4) .feature-icon {
  background: rgba(255, 184, 0, 0.1);
  color: var(--warning);
}

.feature-card h3 {
  margin-bottom: var(--space-sm);
}

.feature-card p {
  font-size: 0.95rem;
  margin-bottom: 0;
}

/* ---- Games Section ---- */
.games-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-xl);
}

.game-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-base);
  text-decoration: none;
  display: block;
}

.game-card:hover {
  border-color: var(--primary);
  transform: translateY(-6px);
  box-shadow: var(--shadow-glow-primary);
}

.game-card:hover .game-card-visual {
  transform: scale(1.05);
}

.game-card-visual {
  height: 180px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3.5rem;
  transition: transform var(--transition-slow);
  position: relative;
}

.game-card:nth-child(1) .game-card-visual {
  background: linear-gradient(135deg, rgba(45, 91, 255, 0.2), rgba(124, 58, 237, 0.2));
  color: var(--primary-light);
}

.game-card:nth-child(2) .game-card-visual {
  background: linear-gradient(135deg, rgba(124, 58, 237, 0.2), rgba(255, 71, 87, 0.15));
  color: var(--secondary-light);
}

.game-card:nth-child(3) .game-card-visual {
  background: linear-gradient(135deg, rgba(6, 214, 160, 0.2), rgba(45, 91, 255, 0.15));
  color: var(--accent);
}

.game-card:nth-child(4) .game-card-visual {
  background: linear-gradient(135deg, rgba(255, 184, 0, 0.2), rgba(6, 214, 160, 0.15));
  color: var(--warning);
}

.game-card-body {
  padding: var(--space-lg);
}

.game-card-body h3 {
  margin-bottom: var(--space-xs);
  color: var(--text-primary);
}

.game-card-body p {
  font-size: 0.9rem;
  margin-bottom: var(--space-md);
}

.game-card-tag {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  background: rgba(45, 91, 255, 0.1);
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--primary-light);
}

/* ---- FAQ Section ---- */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

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

.faq-item.active {
  border-color: var(--primary);
}

.faq-question {
  width: 100%;
  background: none;
  border: none;
  color: var(--text-primary);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
  padding: var(--space-lg) var(--space-xl);
  text-align: left;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  transition: color var(--transition-fast);
}

.faq-question:hover {
  color: var(--primary-light);
}

.faq-question i {
  font-size: 0.85rem;
  color: var(--text-muted);
  transition: transform var(--transition-base);
}

.faq-item.active .faq-question i {
  transform: rotate(180deg);
  color: var(--primary);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow);
}

.faq-answer-inner {
  padding: 0 var(--space-xl) var(--space-lg);
  color: var(--text-secondary);
  line-height: 1.7;
  font-size: 0.95rem;
}

/* ---- Contact Section ---- */
.contact-wrapper {
  max-width: 640px;
  margin: 0 auto;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.form-group label {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.form-input {
  padding: 0.75rem 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 1rem;
  transition: border-color var(--transition-fast);
  outline: none;
}

.form-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(45, 91, 255, 0.15);
}

.form-input::placeholder {
  color: var(--text-muted);
}

textarea.form-input {
  resize: vertical;
  min-height: 120px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
}

.form-success {
  display: none;
  text-align: center;
  padding: var(--space-2xl);
  background: rgba(6, 214, 160, 0.08);
  border: 1px solid rgba(6, 214, 160, 0.3);
  border-radius: var(--radius-lg);
}

.form-success.show {
  display: block;
}

.form-success i {
  font-size: 2.5rem;
  color: var(--accent);
  margin-bottom: var(--space-md);
}

.form-success h3 {
  margin-bottom: var(--space-sm);
}

/* ---- Footer ---- */
.footer {
  background: var(--bg-card);
  border-top: 1px solid var(--border-subtle);
  padding: var(--space-3xl) 0 var(--space-xl);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-2xl);
  margin-bottom: var(--space-2xl);
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.footer-brand .nav-brand {
  font-size: 1.3rem;
}

.footer-brand p {
  font-size: 0.9rem;
  line-height: 1.6;
  max-width: 320px;
}

.footer-column h4 {
  margin-bottom: var(--space-md);
  font-size: 0.95rem;
  color: var(--text-primary);
}

.footer-column ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.footer-column a {
  color: var(--text-muted);
  font-size: 0.9rem;
  transition: color var(--transition-fast);
}

.footer-column a:hover {
  color: var(--text-primary);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-md);
  padding-top: var(--space-xl);
  border-top: 1px solid var(--border-subtle);
}

.footer-bottom p {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin: 0;
}

.footer-disclaimer {
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.5;
  padding: var(--space-lg) 0;
  border-top: 1px solid var(--border-subtle);
  margin-top: var(--space-lg);
  text-align: center;
}

/* ---- Age Gate Modal ---- */
.age-gate {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-lg);
  opacity: 1;
  transition: opacity var(--transition-slow);
}

.age-gate.hidden {
  opacity: 0;
  pointer-events: none;
}

.age-gate-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: var(--space-3xl);
  max-width: 460px;
  width: 100%;
  text-align: center;
}

.age-gate-icon {
  width: 72px;
  height: 72px;
  background: rgba(255, 71, 87, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: var(--danger);
  margin: 0 auto var(--space-xl);
}

.age-gate-card h2 {
  margin-bottom: var(--space-md);
}

.age-gate-card p {
  margin-bottom: var(--space-xl);
  font-size: 0.95rem;
}

.age-gate-actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.age-gate-actions .btn {
  width: 100%;
}

.age-denied {
  display: none;
}

.age-denied.show {
  display: block;
}

.age-prompt.hidden {
  display: none;
}

/* ---- Auth Pages ---- */
.auth-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-2xl) var(--space-lg);
}

.auth-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: var(--space-3xl);
  width: 100%;
  max-width: 440px;
}

.auth-card .nav-brand {
  justify-content: center;
  margin-bottom: var(--space-2xl);
}

.auth-card h2 {
  text-align: center;
  margin-bottom: var(--space-xs);
}

.auth-card > p {
  text-align: center;
  margin-bottom: var(--space-xl);
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.auth-form .btn {
  width: 100%;
  margin-top: var(--space-sm);
}

.auth-footer {
  text-align: center;
  margin-top: var(--space-xl);
  font-size: 0.9rem;
  color: var(--text-muted);
}

.auth-error {
  display: none;
  padding: 0.75rem 1rem;
  background: rgba(255, 71, 87, 0.1);
  border: 1px solid rgba(255, 71, 87, 0.3);
  border-radius: var(--radius-md);
  color: var(--danger);
  font-size: 0.9rem;
}

.auth-error.show {
  display: block;
}

/* ---- Legal Pages ---- */
.legal-page {
  padding: var(--space-3xl) 0;
}

.legal-content {
  max-width: 800px;
  margin: 0 auto;
}

.legal-content h1 {
  margin-bottom: var(--space-md);
}

.legal-content .legal-updated {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: var(--space-2xl);
}

.legal-content h2 {
  font-size: 1.4rem;
  margin-top: var(--space-2xl);
  margin-bottom: var(--space-md);
  padding-top: var(--space-xl);
  border-top: 1px solid var(--border-subtle);
}

.legal-content h2:first-of-type {
  border-top: none;
  padding-top: 0;
}

.legal-content p {
  margin-bottom: var(--space-md);
  line-height: 1.7;
}

.legal-content ul, .legal-content ol {
  margin-bottom: var(--space-md);
  padding-left: var(--space-xl);
  color: var(--text-secondary);
  line-height: 1.7;
}

.legal-content li {
  margin-bottom: var(--space-sm);
}

/* ---- Utility ---- */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.text-center { text-align: center; }
.text-accent { color: var(--accent); }
.text-muted { color: var(--text-muted); }

/* ---- Responsive ---- */
@media (max-width: 1024px) {
  .hero-visual {
    display: none;
  }
}

@media (max-width: 768px) {
  .form-row {
    grid-template-columns: 1fr;
  }

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

  .hero {
    min-height: 60vh;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .hero-description {
    font-size: 1rem;
  }

  .section {
    padding: var(--space-3xl) 0;
  }
}

@media (max-width: 480px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .hero-actions {
    flex-direction: column;
  }

  .hero-actions .btn {
    width: 100%;
  }

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

  .auth-card {
    padding: var(--space-xl);
  }

  .age-gate-card {
    padding: var(--space-xl);
  }
}

/* ---- Animations ---- */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.6; }
}

.fade-in-up {
  animation: fadeInUp 0.6s ease forwards;
}