/* Basic reset */
*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
  color: #122023;
  background-color: #f6f8f9;
}

/* Color system – adjust these to match your branding */
:root {
  --color-bg: #f6f8f9;
  --color-surface: #ffffff;
  --color-accent: #267a6b;   /* main brand color */
  --color-accent-soft: #d8f1eb;
  --color-text: #122023;
  --color-muted: #5f6b6f;
  --color-border: #dde3e7;
}

/* Accessibility: visible skip link */
.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: #000;
  color: #fff;
  padding: 0.5rem 1rem;
  z-index: 1000;
}

.skip-link:focus {
  left: 0.5rem;
  top: 0.5rem;
}

/* Layout helpers */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* Header */
.site-header {
  background-color: #ffffff;
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 0.5rem;
  gap: 1rem;
}

.branding {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-color: var(--color-accent-soft);
  color: var(--color-accent);
  font-weight: 700;
  font-size: 0.9rem;
}

.site-title {
  font-size: 1.1rem;
  margin: 0;
}

.site-subtitle {
  font-size: 0.8rem;
  margin: 0;
  color: var(--color-muted);
}

/* Navigation */
.main-nav ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 0;
  padding: 0;
}

.main-nav a {
  text-decoration: none;
  font-size: 0.9rem;
  color: var(--color-muted);
  padding: 0.4rem 0.7rem;
  border-radius: 999px;
  transition: background-color 0.15s ease, color 0.15s ease;
}

.main-nav a:hover,
.main-nav a:focus {
  background-color: var(--color-accent-soft);
  color: var(--color-accent);
  outline: none;
}

/* Hero */
.hero {
  background: linear-gradient(135deg, #f0fbf8, #f6f8f9);
  border-bottom: 1px solid var(--color-border);
}

.hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(0, 1fr);
  gap: 2rem;
  padding: 2.5rem 0;
}

.hero-text h2 {
  font-size: 1.8rem;
  margin-top: 0;
  margin-bottom: 1rem;
}

.hero-text p {
  margin: 0 0 1rem;
}

.hero-highlight {
  align-self: center;
  padding: 1.5rem;
  border-radius: 1rem;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.04);
}

.hero-stat {
  margin: 0.2rem 0;
  font-weight: 600;
  color: var(--color-accent);
}

/* Sections */
.section {
  padding: 2.5rem 0;
}

.section-alt {
  background-color: #edf3f5;
}

.section h2 {
  margin-top: 0;
  margin-bottom: 1rem;
  font-size: 1.5rem;
}

.section p {
  margin-bottom: 1rem;
  color: var(--color-muted);
}

/* Two-column layout */
.two-column {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 1.5rem;
}

/* Gallery */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.gallery-item {
  background-color: var(--color-surface);
  border-radius: 1rem;
  overflow: hidden;
  border: 1px solid var(--color-border);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.03);
}

.gallery-item img {
  display: block;
  width: 100%;
  height: auto;
}

.gallery-item figcaption {
  padding: 0.8rem 1rem 1rem;
  font-size: 0.9rem;
  color: var(--color-muted);
}

/* Downloads / Links */
.download-list {
  list-style: none;
  padding: 0;
  margin: 1rem 0 2rem;
}

.download-list li {
  margin-bottom: 0.6rem;
}

.download-list a {
  text-decoration: none;
  color: var(--color-accent);
  font-weight: 500;
}

.download-list a:hover,
.download-list a:focus {
  text-decoration: underline;
}

/* Contact box */
.contact-box {
  padding: 1.5rem;
  border-radius: 1rem;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
}

.contact-box h3 {
  margin-top: 0;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--color-border);
  background-color: #ffffff;
  padding: 1rem 0;
  font-size: 0.85rem;
  color: var(--color-muted);
  text-align: center;
}

/* Accessibility: focus styles */
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* Responsive tweaks */
@media (max-width: 800px) {
  .hero-inner {
    grid-template-columns: 1fr;
  }

  .two-column {
    grid-template-columns: 1fr;
  }

  .header-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .main-nav ul {
    justify-content: flex-start;
  }
}

@media (max-width: 500px) {
  .site-title {
    font-size: 1rem;
  }

  .hero-text h2 {
    font-size: 1.4rem;
  }
}