:root {
  --bg: #ffffff;
  --accent: #425b5c;
  --accent-2: #9ec185;
  --muted: #efefef;
  --radius: 14px;
  --max-width: 1100px;
  --shadow: 0 8px 24px rgba(66, 91, 92, 0.08);
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial;
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
  font-family: var(--sans);
  background: var(--bg);
  color: #15313a;
  line-height: 1.4;
}
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0;
}
header {
  background: var(--accent);
  color: white;
  padding-left: 20px;
  padding-right: 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
header .logo {
  font-weight: 700;
  font-size: 1.2rem;
  background: none;
  padding: 0.5rem 0.8rem;
  border-radius: 8px;
  color: var(--accent);
}
header h1 {
  margin: 0;
  font-size: 1.2rem;
}

section.hero {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  padding: 2rem;
  gap: 2rem;
  background: var(--muted);
}
.hero-text {
  flex: 1;
  min-width: 280px;
}
.hero-text h2 {
  margin-top: 0;
  color: var(--accent);
}
.hero-text h3 {
  margin-top: 0.5rem;
  color: var(--accent-2);
}
.hero-text p {
  font-size: 1rem;
  margin-bottom: 1rem;
}
.hero-gallery {
  flex: 1;
  min-width: 280px;
  overflow-x: auto;
  display: flex;
  gap: 1rem;
  padding-bottom: 0.5rem;
}
.hero-gallery img {
  flex: 0 0 auto;
  width: 300px;
  border-radius: 12px;
  box-shadow: var(--shadow);
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1rem;
  padding: 2rem;
}
.card {
  background: white;
  padding: 1rem;
  border-radius: 12px;
  box-shadow: var(--shadow);
}
.card h3 {
  margin-top: 0;
  color: var(--accent);
}

footer {
  background: var(--accent);
  color: white;
  text-align: center;
  padding: 1rem;
}
@media (max-width: 768px) {
  section.hero {
    flex-direction: column;
  }
  .hero-gallery {
    width: 100%;
  }
}
/* Buttons Section Container */
.buttons-section {
  text-align: center;
  padding: 2rem 1rem;
}

/* Primary Action Button */
.btn-primary {
  display: inline-block;
  background: var(--accent-2);
  color: var(--accent);
  padding: 1rem 2rem;
  font-size: 1.1rem;
  font-weight: 600;
  border-radius: 14px;
  text-decoration: none;
  box-shadow: var(--shadow);
  transition: transform 0.2s, box-shadow 0.2s;
}
.btn-primary:hover {
  transform: scale(1.05);
  box-shadow: 0 12px 28px rgba(66, 91, 92, 0.15);
}

/* Navigation Buttons Container */
.nav-buttons {
  margin-top: 1.5rem;
  margin-bottom: 10px;
  display: flex;
  justify-content: space-between; /* center buttons */
  gap: 1rem;
  flex-wrap: wrap;
}

/* Back / Next Buttons */
.btn-nav {
  background: #ffffff;
  color: var(--accent);
  padding: 0.7rem 1.5rem;
  border-radius: 12px;
  border: 1px solid var(--accent);
  text-decoration: none;
  font-weight: 600;
  transition: all 0.2s;
  font-size: 16px;
}
.btn-nav:hover {
  background-color: var(--accent-2);
  color: var(--accent);
}

.logo-img {
  width: 64px;
  height: 64px;
  border-radius: 100px;
}