:root {
  --bg: #0f172a;
  --bg-soft: #111827;
  --card: rgba(15, 23, 42, 0.8);
  --primary: #38bdf8;
  --secondary: #22c55e;
  --text: #e2e8f0;
  --muted: #94a3b8;
  --shadow: rgba(15, 23, 42, 0.45);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background: linear-gradient(135deg, var(--bg), var(--bg-soft));
  color: var(--text);
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 20px 40px;
  position: sticky;
  top: 0;
  backdrop-filter: blur(12px);
  background: rgba(15, 23, 42, 0.55);
  border-bottom: 1px solid rgba(148, 163, 184, 0.15);
}

.brand {
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: 0.05em;
}

.select-wrap {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(15, 23, 42, 0.7);
  padding: 8px 12px;
  border: 1px solid rgba(148, 163, 184, 0.2);
  border-radius: 12px;
}

.select-wrap span {
  color: var(--muted);
  font-size: 0.9rem;
}

.select-wrap select {
  appearance: none;
  border: none;
  background: transparent;
  color: var(--text);
  font-size: 1rem;
  padding: 4px 24px 4px 4px;
  outline: none;
  cursor: pointer;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 32px 20px 60px;
}

.hero {
  text-align: center;
  margin-bottom: 30px;
}

.hero h1 {
  margin: 0 0 10px;
  font-size: clamp(2rem, 5vw, 3.5rem);
}

.hero p {
  margin: 0;
  color: var(--muted);
  font-size: 1.05rem;
}

.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
}

.card {
  background: var(--card);
  border: 1px solid rgba(148, 163, 184, 0.12);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 12px 28px var(--shadow);
  transition: transform 0.25s ease, border-color 0.2s ease;
}

.card:hover {
  transform: translateY(-6px);
  border-color: rgba(56, 189, 248, 0.6);
}

.card img {
  display: block;
  width: 100%;
  height: 260px;
  object-fit: cover;
}

.card-info {
  padding: 14px 16px 18px;
}

.card-info h2 {
  margin: 0 0 8px;
  font-size: 1.05rem;
}

.card-info p {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

@media (max-width: 640px) {
  .topbar {
    padding: 16px 20px;
    flex-wrap: wrap;
  }

  .brand {
    font-size: 1.1rem;
  }

  .select-wrap {
    width: 100%;
    justify-content: space-between;
  }
}