:root {
  --primary: #00868B;
  --secondary: #79ECE0;
  --neutral: #a7a7a7;
  --text: #333333;
  --background: #f7f9fa;
  --card-bg: #ffffff;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background-color: var(--background);
}

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 32px;
  background: #ffffff;
  border-bottom: 1px solid rgba(167, 167, 167, 0.4);
  position: sticky;
  top: 0;
  z-index: 10;
}

header img {
  height: 56px;
}

nav a {
  margin-left: 16px;
  text-decoration: none;
  color: var(--primary);
  font-weight: 500;
  font-size: 0.95rem;
}

nav a:hover {
  text-decoration: underline;
}

.hero {
  padding: 64px 32px;
  background: linear-gradient(135deg, var(--secondary), #ffffff);
}

.hero-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  gap: 32px;
}

@media (min-width: 900px) {
  .hero-inner {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
    align-items: center;
  }
}

.hero-title {
  font-size: 2.4rem;
  margin-bottom: 12px;
  color: var(--primary);
}

.hero-subtitle {
  font-size: 1.05rem;
  margin-bottom: 24px;
  max-width: 520px;
  line-height: 1.6;
}

.hero-highlight {
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--primary);
  font-weight: 600;
  margin-bottom: 8px;
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
}

.badge {
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(0, 134, 139, 0.08);
  color: var(--primary);
  font-size: 0.8rem;
}

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

.btn-primary {
  display: inline-block;
  padding: 12px 24px;
  border-radius: 999px;
  background: var(--primary);
  color: #ffffff;
  text-decoration: none;
  font-weight: 600;
  border: none;
  font-size: 0.95rem;
}

.btn-primary:hover {
  background: #006b6f;
}

.btn-secondary {
  display: inline-block;
  padding: 10px 20px;
  border-radius: 999px;
  border: 1px solid var(--primary);
  background: transparent;
  color: var(--primary);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.9rem;
}

.hero-photo-placeholder {
  width: 100%;
  min-height: 220px;
  border-radius: 16px;
  background: radial-gradient(circle at top left, #ffffff, var(--secondary));
  border: 1px dashed rgba(0,0,0,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 16px;
  color: #555555;
  font-size: 0.9rem;
}

main section {
  padding: 56px 32px;
  max-width: 1040px;
  margin: 0 auto;
}

.section-alt {
  background: #ffffff;
}

.section-narrow {
  max-width: 840px;
}

section h2 {
  color: var(--primary);
  margin-bottom: 16px;
  font-size: 1.6rem;
}

.section-subtitle {
  margin-bottom: 24px;
  color: #555555;
  font-size: 0.98rem;
}

section p {
  line-height: 1.6;
}

.grid {
  display: grid;
  gap: 16px;
}

@media (min-width: 768px) {
  .grid-2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .grid-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.card {
  background: var(--card-bg);
  border-radius: 16px;
  padding: 18px 20px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.04);
  border: 1px solid rgba(167, 167, 167, 0.3);
}

.card h3 {
  color: var(--primary);
  margin-top: 0;
  margin-bottom: 8px;
  font-size: 1.05rem;
}

.card p {
  font-size: 0.95rem;
}

.icon-circle {
  width: 36px;
  height: 36px;
  border-radius: 999px;
  background: rgba(0, 134, 139, 0.08);
  margin-bottom: 8px;
}

.list-clean {
  list-style: none;
  padding-left: 0;
  margin: 0;
}

.list-clean li::before {
  content: "• ";
  color: var(--primary);
}

footer {
  text-align: center;
  padding: 24px 16px;
  font-size: 0.85rem;
  color: var(--neutral);
  border-top: 1px solid rgba(167, 167, 167, 0.3);
  margin-top: 32px;
}

.hero-photo-wrapper {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-photo {
  width: 100%;
  max-width: 520px;
  border-radius: 14px;
  object-fit: cover;
  box-shadow: 0 12px 28px rgba(0,0,0,0.18);
}