:root {
  --color-primary: #c62828;
  --color-secondary: #f57c00;
  --color-blue: #1976d2;
  --color-green: #388e3c;
  --color-white: #ffffff;
  --color-black: #121212;
  --color-text: #1f1f1f;
  --color-muted: #6b6b6b;
  --shadow-1: 0 10px 30px rgba(0, 0, 0, 0.12);
  --radius-1: 18px;
  --radius-2: 28px;
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  font-family: Poppins, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  background: #fafafa;
  color: var(--color-text);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: saturate(180%) blur(12px);
  background: rgba(255, 255, 255, 0.8);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.brand {
  font-weight: 700;
  font-size: 20px;
  letter-spacing: 0.6px;
  color: var(--color-primary);
}

.nav a {
  display: inline-block;
  margin-left: 18px;
  text-decoration: none;
  color: var(--color-text);
  font-weight: 500;
  padding: 8px 12px;
  border-radius: 12px;
  transition: 160ms ease;
}

.nav a:hover {
  background: rgba(0, 0, 0, 0.06);
}

.hero {
  position: relative;
  overflow: hidden;
  padding: 96px 0 72px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  color: var(--color-white);
}

.hero-content h1 {
  font-size: 48px;
  line-height: 1.05;
  margin: 0 0 12px;
}

.hero-content p {
  margin: 0 0 24px;
  font-size: 18px;
  color: rgba(255, 255, 255, 0.9);
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 44px;
  padding: 0 18px;
  border-radius: 12px;
  text-decoration: none;
  font-weight: 600;
  transition: 160ms ease;
}

.btn.primary {
  background: var(--color-white);
  color: var(--color-primary);
}

.btn.primary:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-1);
}

.btn.ghost {
  border: 2px solid rgba(255, 255, 255, 0.8);
  color: var(--color-white);
}

.btn.ghost:hover {
  border-color: var(--color-white);
  transform: translateY(-1px);
}

.hero-art {
  position: absolute;
  right: -160px;
  bottom: -160px;
  width: 540px;
  height: 540px;
  background:
    radial-gradient(120px 120px at 50% 50%, rgba(255,255,255,0.24), transparent 60%),
    conic-gradient(from 210deg, var(--color-primary), var(--color-secondary));
  border-radius: 50%;
  filter: blur(8px);
  opacity: 0.6;
}

.section {
  padding: 72px 0;
}

.section-title {
  font-size: 28px;
  font-weight: 700;
  margin: 0 0 24px;
  color: var(--color-primary);
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}

.card {
  display: grid;
  grid-template-rows: 160px auto;
  background: var(--color-white);
  border-radius: var(--radius-1);
  box-shadow: var(--shadow-1);
  overflow: hidden;
  transition: 200ms ease;
}

.card:hover {
  transform: translateY(-4px);
}

.card-media {
  background: linear-gradient(135deg, rgba(255,255,255,0.2), rgba(255,255,255,0));
}

.card-media {
  position: relative;
  overflow: hidden;
}

.card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: 240ms ease;
}

.card:hover .card-media img {
  transform: scale(1.04);
}

.tone-red {
  background:
    linear-gradient(135deg, rgba(255,255,255,0.14), rgba(255,255,255,0)),
    linear-gradient(135deg, var(--color-primary), #ef5350);
}

.tone-orange {
  background:
    linear-gradient(135deg, rgba(255,255,255,0.14), rgba(255,255,255,0)),
    linear-gradient(135deg, var(--color-secondary), #ff9800);
}

.card-body {
  padding: 18px 18px 20px;
}

.card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 8px;
}

.card-title {
  font-size: 18px;
  font-weight: 700;
  margin: 0;
}

.badge {
  display: inline-flex;
  align-items: center;
  height: 24px;
  padding: 0 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  color: var(--color-white);
}

.badge.blue {
  background: var(--color-blue);
}

.badge.green {
  background: var(--color-green);
}

.card p {
  margin: 8px 0 14px;
  color: var(--color-muted);
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  color: var(--color-secondary);
  text-decoration: none;
}

.card-link::after {
  content: "›";
  transform: translateY(-1px);
}

.site-footer {
  border-top: 1px solid rgba(0,0,0,0.08);
  padding: 32px 0;
  background: #fff;
}

.site-footer .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-brand {
  font-weight: 700;
  color: var(--color-primary);
}

.footer-links a {
  text-decoration: none;
  color: var(--color-text);
  margin-left: 16px;
}

.banner {
  position: relative;
  background-size: cover;
  background-position: center;
  min-height: 360px;
  display: grid;
  place-items: center;
}

.banner-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to bottom, rgba(0,0,0,0.35), rgba(0,0,0,0.25)),
    radial-gradient(120px 120px at 10% 10%, rgba(255,255,255,0.08), transparent 60%);
}

.banner-content {
  position: relative;
  padding: 48px 0;
  text-align: center;
  color: var(--color-white);
}

.banner-title {
  margin: 0 0 12px;
  font-size: 36px;
  line-height: 1.1;
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.banner-title .banner-avatar {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  object-fit: cover;
  box-shadow: var(--shadow-1);
  flex-shrink: 0;
}

.banner-desc {
  margin: 0 0 16px;
  color: rgba(255,255,255,0.9);
}

.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 14px;
}

.gallery-item {
  position: relative;
  border-radius: var(--radius-1);
  overflow: hidden;
  box-shadow: var(--shadow-1);
  aspect-ratio: 4/3;
  background: #eee;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: 220ms ease;
}

.gallery-item:hover img {
  transform: scale(1.03);
}

.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.8);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 100;
}

.lightbox.open {
  display: flex;
}

.lightbox img {
  max-width: 90vw;
  max-height: 90vh;
  border-radius: 12px;
  box-shadow: var(--shadow-1);
}

@media (max-width: 640px) {
  .hero-content h1 {
    font-size: 36px;
  }
  .hero-art {
    width: 420px;
    height: 420px;
    right: -140px;
    bottom: -140px;
  }
}