:root {
  --bg-color: #F8FAFC;
  --text-main: #0F172A;
  --text-muted: #64748B;
  --accent-blue: #3B82F6;
  --accent-yellow: #EAB308;
  --accent-green: #22C55E;
  --border-color: rgba(226, 232, 240, 0.8);
  --font-brand: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;
}

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

body {
  font-family: var(--font-body);
  background-color: var(--bg-color);
  background-image: url('assets/bento_bg.png');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  color: var(--text-main);
  line-height: 1.6;
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

.background-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(255, 255, 255, 0.92); /* Glassy feel to show bg through */
  z-index: 0;
}

/* Decorative Stickers */
.decorative-sticker {
  position: fixed;
  z-index: 1;
  opacity: 0.15;
  pointer-events: none;
  filter: drop-shadow(0 4px 6px rgba(0,0,0,0.1));
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0) rotate(var(--rot)); }
  50% { transform: translateY(-20px) rotate(var(--rot)); }
}

.s1 { top: 10%; left: -5%; width: 300px; --rot: -15deg; animation-delay: 0s; }
.s2 { top: 60%; right: -8%; width: 400px; --rot: 20deg; animation-delay: 2s; }
.s3 { bottom: -10%; left: 10%; width: 350px; --rot: 5deg; animation-delay: 4s; }

.container {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
  padding: 4rem 2rem;
  z-index: 10;
}

.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 5rem;
}

.brand-group {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.logo {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.brand-title {
  font-family: var(--font-brand);
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: -0.05em;
  color: var(--text-main);
  text-transform: uppercase;
}

.lang-switcher button {
  background: none;
  border: none;
  font-family: var(--font-brand);
  font-size: 0.875rem;
  font-weight: 800;
  color: var(--text-muted);
  cursor: pointer;
  margin-left: 1rem;
  padding: 0.5rem;
  transition: all 0.2s ease;
  border-radius: 8px;
}

.lang-switcher button:hover {
  color: var(--text-main);
  background: rgba(0,0,0,0.05);
}

.lang-switcher button.active {
  color: var(--accent-blue);
  background: rgba(59, 130, 246, 0.1);
}

.tabs {
  display: flex;
  gap: 1.5rem;
  margin-bottom: 4rem;
}

.tab-btn {
  background: white;
  border: 1px solid var(--border-color);
  font-family: var(--font-brand);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text-muted);
  padding: 1rem 2rem;
  border-radius: 16px;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

.tab-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
  color: var(--text-main);
}

.tab-btn.active {
  background: var(--text-main);
  color: white;
  border-color: var(--text-main);
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

.content-area {
  background: white;
  padding: 4rem;
  border-radius: 32px;
  border: 1px solid var(--border-color);
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.05);
  animation: slideIn 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes slideIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.content-area .last-updated {
  font-family: var(--font-brand);
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 700;
}

.content-area h1 {
  font-family: var(--font-brand);
  font-size: 3rem;
  margin-bottom: 2rem;
  letter-spacing: -0.04em;
  line-height: 1.1;
  font-weight: 800;
}

.content-area h2 {
  font-family: var(--font-brand);
  font-size: 1.5rem;
  margin-top: 4rem;
  margin-bottom: 1.5rem;
  color: var(--text-main);
  letter-spacing: -0.02em;
  font-weight: 700;
}

.content-area p, .content-area ul {
  font-size: 1.125rem;
  color: #475569;
  margin-bottom: 1.75rem;
  line-height: 1.75;
}

.content-area ul {
  padding-left: 1.5rem;
}

.content-area li {
  margin-bottom: 1rem;
}

.content-area strong {
  color: var(--text-main);
  font-weight: 700;
}

.footer {
  margin-top: 6rem;
  padding-bottom: 4rem;
  text-align: center;
  font-family: var(--font-brand);
  font-size: 0.875rem;
  color: var(--text-muted);
  font-weight: 600;
}

/* Mobile Adjustments */
@media (max-width: 768px) {
  .container {
    padding: 2rem 1rem;
  }
  .header {
    flex-direction: column;
    gap: 2rem;
    align-items: center;
    text-align: center;
  }
  .brand-group {
    flex-direction: column;
  }
  .logo {
    width: 64px;
    height: 64px;
  }
  .brand-title {
    font-size: 2rem;
  }
  .lang-switcher {
    margin-left: 0;
  }
  .tabs {
    flex-direction: column;
    gap: 0.75rem;
  }
  .tab-btn {
    text-align: center;
    width: 100%;
    padding: 1rem;
  }
  .content-area {
    padding: 2rem;
    border-radius: 24px;
  }
  .content-area h1 {
    font-size: 2.25rem;
  }
  .decorative-sticker {
    display: none; /* Hide stickers on mobile to save performance/space */
  }
}