:root {
  --gv-bg: #f7f7f4;
  --gv-text: #171717;
  --gv-surface: #ffffff;
  --gv-border: #dddddd;
  --gv-primary: #111111;
  --gv-primary-text: #ffffff;
  --gv-muted: #5f5f5f;
}

body[data-theme="corporate"] {
  --gv-bg: #f6f8fc;
  --gv-text: #102033;
  --gv-surface: #ffffff;
  --gv-border: #d9e1ec;
  --gv-primary: #0f5cff;
  --gv-primary-text: #ffffff;
  --gv-muted: #5a6b80;
}

body[data-theme="tech"] {
  --gv-bg: #0b0b10;
  --gv-text: #f7f7fb;
  --gv-surface: #15151f;
  --gv-border: #2b2b3a;
  --gv-primary: #ff2ad4;
  --gv-primary-text: #ffffff;
  --gv-muted: #b8b8c7;
}

body[data-theme="festival"] {
  --gv-bg: #fff7ed;
  --gv-text: #24180f;
  --gv-surface: #ffffff;
  --gv-border: #ffd7a8;
  --gv-primary: #e11d48;
  --gv-primary-text: #ffffff;
  --gv-muted: #7a5b42;
}

body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: var(--gv-bg);
  color: var(--gv-text);
}

section {
  max-width: 900px;
  margin: 0 auto;
  padding: 48px 24px;
}

.hero {
  min-height: 70vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.hero-content {
  min-width: 0;
}

.hero-image {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: 8px;
  border: 1px solid var(--gv-border);
}

h1 {
  font-size: 48px;
  margin: 0 0 16px;
}

h2 {
  font-size: 30px;
}

p,
li {
  font-size: 18px;
  line-height: 1.5;
  color: var(--gv-muted);
}

strong {
  color: var(--gv-text);
}

a {
  color: var(--gv-primary);
}

.button {
  display: inline-block;
  margin-top: 24px;
  padding: 14px 22px;
  background: var(--gv-primary);
  color: var(--gv-primary-text);
  text-decoration: none;
  border-radius: 6px;
  font-weight: bold;
}

.card {
  background: var(--gv-surface);
  border: 1px solid var(--gv-border);
  border-radius: 8px;
  padding: 20px;
  margin: 12px 0;
}

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

.tag {
  background: var(--gv-surface);
  border: 1px solid var(--gv-border);
  border-radius: 999px;
  padding: 10px 14px;
  font-weight: bold;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.gallery-image {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: 8px;
  border: 1px solid var(--gv-border);
}

@media (max-width: 760px) {
  .gallery-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .hero {
    grid-template-columns: 1fr;
  }

  h1 {
    font-size: 38px;
  }
}