/* Tailwind CSS Configuration */
@import 'https://cdn.tailwindcss.com';

/* Design Tokens */
:root {
  --primary-black: #1A1A1A;
  --pure-white: #FFFFFF;
  --cement-gray: #E8E8E8;
  --navy-blue: #0A1D3F;
  --charcoal-gray: #4A4A4A;
  --ochre: #BF8F60;
  --forest-green: #2A4C3E;
}

/* Base Styles */
html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Helvetica Neue', 'PingFang SC', 'Source Han Sans SC', 'Microsoft YaHei', sans-serif;
  background-color: var(--primary-black);
  color: var(--pure-white);
}

/* Custom Components */
.nav-glass {
  backdrop-filter: blur(10px);
  background-color: rgba(26, 26, 26, 0.8);
}

.hero-gradient {
  background: linear-gradient(180deg, rgba(26, 26, 26, 0) 0%, rgba(26, 26, 26, 0.7) 50%, var(--primary-black) 100%);
}

.fade-in {
  animation: fadeIn 0.8s ease-in-out;
}

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

/* Typography */
.title-light {
  font-weight: 300;
  letter-spacing: 0.05em;
}

.subtitle-regular {
  font-weight: 400;
  letter-spacing: 0.02em;
}

/* Image Effects */
.image-hover {
  transition: transform 0.3s ease, filter 0.3s ease;
}

.image-hover:hover {
  transform: scale(1.02);
  filter: brightness(1.1);
}

/* Section Dividers */
.divider-thin {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--charcoal-gray), transparent);
}

/* Grid Layouts */
.style-grid {
  display: grid;
  gap: 2rem;
}

@media (min-width: 768px) {
  .style-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .style-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Detail Cards */
.detail-card {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: all 0.3s ease;
}

.detail-card:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.2);
}

/* Navigation Active State */
.nav-active {
  color: var(--ochre);
  position: relative;
}

.nav-active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 1px;
  background-color: var(--ochre);
}

/* Footer */
.footer-minimal {
  border-top: 1px solid var(--charcoal-gray);
  padding: 2rem 0;
  text-align: center;
  color: var(--cement-gray);
  font-size: 0.875rem;
}