:root {
  color-scheme: dark;
  --bg: #f6f7fb;
  --surface: #ffffff;
  --surface-muted: #eef1fa;
  --text: #111827;
  --muted: #475569;
  --accent: #2563eb;
  --accent-dark: #1d4ed8;
  --border: #d1d5db;
  --inverse-bg: #0f172a;
  --inverse-text: #f8fafc;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

img {
  max-width: 100%;
  display: block;
}

button,
a {
  font: inherit;
}

a {
  color: inherit;
  text-decoration: none;
}

.container {
  width: min(1120px, calc(100% - 2rem));
  margin: 0 auto;
}

.site-header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
}

.header-inner,
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 3rem;
  height: 3rem;
  border-radius: 0.75rem;
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  font-size: 1.25rem;
}

.eyebrow {
  margin: 0 0 0.5rem;
  font-size: 0.9rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-dark);
}

.site-nav {
  display: flex;
  gap: 1.5rem;
}

.site-nav a {
  color: var(--muted);
  font-size: 0.95rem;
}

.hero {
  min-height: 75vh;
  display: grid;
  align-items: center;
  background: linear-gradient(180deg, #eff6ff 0%, #f8fafc 100%);
}

.hero-copy {
  padding: 4rem 0;
}

.hero h2 {
  margin: 0 0 1rem;
  font-size: clamp(2.5rem, 4vw, 3.75rem);
  line-height: 1.05;
}

.hero p {
  max-width: 720px;
}

.hero-actions {
  margin-top: 2rem;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.95rem 1.6rem;
  border-radius: 999px;
  border: 1px solid transparent;
  transition: transform 0.2s ease, background-color 0.2s ease, color 0.2s ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button-primary {
  background: var(--accent);
  color: #fff;
}

.button-secondary {
  background: transparent;
  color: var(--accent-dark);
  border-color: var(--accent-dark);
}

.section {
  padding: 5rem 0;
}

.section-light {
  background: var(--bg);
}

.section-dark {
  background: var(--inverse-bg);
  color: var(--inverse-text);
}

.section-heading {
  max-width: 720px;
  margin-bottom: 2.5rem;
}

.section-heading h3 {
  margin: 0.25rem 0 1rem;
  font-size: clamp(2rem, 2.5vw, 2.5rem);
}

.section-heading p {
  margin: 0;
}

.white-text {
  color: var(--inverse-text);
}

.grid {
  display: grid;
  gap: 1.5rem;
}

.grid-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.card {
  padding: 2rem;
  border-radius: 1rem;
  background: var(--surface);
  border: 1px solid var(--border);
}

.card-inverse {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(148, 163, 184, 0.2);
}

.card h4 {
  margin-top: 0;
}

.about-grid {
  display: grid;
  gap: 2rem;
  grid-template-columns: 1.2fr 0.8fr;
  align-items: start;
}

.about-list {
  display: grid;
  gap: 1rem;
}

.about-list div {
  background: var(--surface-muted);
  padding: 1.5rem;
  border-radius: 1rem;
}

.contact-section {
  background: linear-gradient(180deg, #eef2ff 0%, #f8fafc 100%);
}

.contact-card {
  display: grid;
  gap: 2rem;
  padding: 3rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 1.5rem;
}

.contact-details p {
  margin: 0.75rem 0;
}

.site-footer {
  background: var(--surface);
  border-top: 1px solid var(--border);
}

@media (max-width: 900px) {
  .grid-3,
  .about-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .header-inner,
  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .site-nav {
    flex-wrap: wrap;
    gap: 0.75rem;
  }

  .hero-copy {
    padding: 3rem 0;
  }
}

@media (max-width: 520px) {
  .hero h2 {
    font-size: 2.25rem;
  }

  .button {
    width: 100%;
  }
}

.brand-logo {
  width: 120px;
  height: 120px;
  object-fit: contain;
}

.contact-details a {
    color: #0000EE;
    text-decoration: underline;
}

.contact-details a:visited {
    color: #551A8B;
}

.contact-details a:hover {
    color: #0000FF;
}

.announcement-banner {
    background-color: #f5f7fa;
    text-align: center;
    padding: 12px 20px;
    border-top: 1px solid #e5e7eb;
    border-bottom: 1px solid #e5e7eb;
    font-size: 1rem;
    color: #1f2937;
}

.announcement-banner strong {
    font-weight: 700;
}

.announcement-banner em {
    font-style: italic;
    color: #2563eb;
}