/* Base theme variables */
:root {
  --teal: #00b3b0;
  --teal-dark: #00827c;
  --gold: #f0a500;
  --gold-deep: #c77600;
  --light: #f9f9f9;
  --dark: #2a2a2a;
}

/* Global styles */
html,
body {
  margin: 0;
  padding: 0;
  font-family: Arial, Helvetica, sans-serif;
  background-color: var(--teal);
  color: var(--light);
  line-height: 1.6;
}

/* Header & navigation */
header {
  background-color: var(--teal-dark);
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
  position: sticky;
  top: 0;
  z-index: 100;
}

header .logo {
  display: flex;
  align-items: center;
  font-weight: bold;
  font-size: 1.25rem;
}

header .logo img {
  width: 50px;
  margin-right: 0.5rem;
}

header nav ul {
  list-style: none;
  display: flex;
  gap: 1rem;
  margin: 0;
  padding: 0;
}

header nav a {
  color: var(--light);
  text-decoration: none;
  font-weight: bold;
  padding: 0.5rem 1rem;
  border-radius: 4px;
  transition: background-color 0.3s ease;
}

header nav a:hover {
  background-color: var(--gold-deep);
}

/* Hero section */
.hero {
  text-align: center;
  padding: 4rem 1rem;
  background: linear-gradient(180deg, var(--teal) 0%, var(--teal-dark) 100%);
}

.hero h1 {
  font-size: 2.75rem;
  margin-bottom: 0.5rem;
  color: var(--gold);
}

.hero p {
  font-size: 1.25rem;
  max-width: 800px;
  margin: 0 auto 2rem;
  line-height: 1.5;
}

/* Gallery section */
.gallery {
  background-color: var(--teal-dark);
  padding: 2rem;
}

.gallery h2 {
  color: var(--gold);
  text-align: center;
  margin-bottom: 1.5rem;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
}

.gallery-grid img {
  width: 100%;
  border-radius: 8px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
  transition: transform 0.3s ease;
}

.gallery-grid img:hover {
  transform: scale(1.05);
}

/* Chart section */
.chart {
  padding: 2rem;
  background-color: var(--teal);
}

.chart h2 {
  color: var(--gold);
  text-align: center;
  margin-bottom: 1rem;
}

.chart iframe {
  width: 100%;
  height: 500px;
  border-radius: 8px;
  border: none;
}

/* Footer */
footer {
  background-color: var(--teal-dark);
  text-align: center;
  padding: 1rem;
  font-size: 0.875rem;
  color: var(--light);
}