:root {
  --teal-dark: #0A7377;
  --teal-mid: #13958F;
  --teal-light: #55C0B8;
  --copper: #D07A2B;
  --copper-dark: #B8661B;
  --tint: #F3FAF9;
  --text: #1B2B2C;
  --muted: #3F5254;
  --max: 1080px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 120px; }
body {
  margin: 0;
  font-family: "Montserrat", system-ui, -apple-system, "Segoe UI", sans-serif;
  color: var(--text);
  background: #fff;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; height: auto; }
a { color: var(--teal-dark); text-underline-offset: 3px; }
::selection { background: var(--teal-light); color: var(--text); }
ul { list-style: none; margin: 0; padding: 0; }

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 24px; }

:focus-visible { outline: 3px solid var(--teal-mid); outline-offset: 3px; border-radius: 4px; }
.skip { position: absolute; left: 16px; top: -60px; background: #fff; padding: 10px 16px; z-index: 20; }
.skip:focus { top: 12px; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 10;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid #E1EFED;
}
.bar { display: flex; align-items: center; justify-content: space-between; gap: 24px; height: 104px; }
.brand img { height: 88px; width: 88px; }
nav ul { display: flex; gap: 36px; }
nav a { color: var(--text); text-decoration: none; font-weight: 500; font-size: 0.9rem; padding: 12px 0; border-bottom: 2px solid transparent; }
nav a:hover { border-bottom-color: var(--teal-mid); }

/* Buttons */
.btn {
  display: inline-block; padding: 13px 28px; border-radius: 6px;
  font-weight: 600; font-size: 0.9rem; text-decoration: none; line-height: 1.2;
  border: 2px solid transparent; transition: background-color .2s, border-color .2s;
}
.btn-copper { background: var(--copper); color: var(--text); }
.btn-copper:hover { background: #DE8B3C; }
.btn-ghost { border-color: var(--teal-dark); color: var(--teal-dark); }
.btn-ghost:hover { background: rgba(10, 115, 119, 0.08); }

/* Sections */
section { padding: 96px 0; }
section.alt { background: var(--tint); }
h1, h2, h3 { line-height: 1.2; margin: 0; text-wrap: balance; }
h2 { font-size: 2rem; font-weight: 700; color: var(--copper); margin-bottom: 40px; letter-spacing: -0.01em; }

.hero {
  padding: 120px 0 112px;
  background: linear-gradient(160deg, #FFFFFF 0%, #E6F5F3 55%, #DAF0ED 100%);
}
.hero h1 { font-size: clamp(2.25rem, 5.5vw, 3.75rem); font-weight: 700; color: var(--teal-dark); max-width: 14em; letter-spacing: -0.02em; }
.lead { font-size: 1.25rem; max-width: 40em; color: var(--muted); margin: 28px 0 40px; }
.actions { display: flex; flex-wrap: wrap; gap: 16px; }

.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.card { background: var(--tint); border: 1px solid #DCEDEB; border-radius: 8px; padding: 40px 32px; }
.card h3 { font-size: 1.35rem; font-weight: 600; color: var(--teal-dark); margin-bottom: 14px; }
.card p { margin: 0; color: var(--muted); }

.split { display: grid; grid-template-columns: 1fr 2fr; gap: 24px 48px; align-items: start; }
.split h2 { margin: 0; }
.about-text { font-size: 1.2rem; margin: 0; max-width: 38em; }

.details { margin: 0; display: grid; gap: 24px; }
.details dt { font-size: 0.8rem; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; color: var(--teal-dark); }
.details dd { margin: 4px 0 0; font-size: 1.2rem; }

/* Footer */
.site-footer { background: linear-gradient(135deg, #0A7377 0%, #0C7C7F 100%); color: #fff; padding: 32px 0; font-size: 0.875rem; }
.foot { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px 24px; }
.foot p { margin: 0; }

@media (max-width: 860px) {
  .cards, .split { grid-template-columns: 1fr; }
  .split h2 { margin-bottom: 4px; }
  .bar { flex-wrap: wrap; height: auto; padding-top: 8px; padding-bottom: 4px; gap: 0 16px; }
  nav { order: 3; width: 100%; border-top: 1px solid #E1EFED; margin-top: 8px; }
  nav ul { gap: 8px; justify-content: space-around; }
  nav a { display: block; padding: 14px 8px; }
  html { scroll-padding-top: 140px; }
  section { padding: 72px 0; }
  .hero { padding: 80px 0; }
  h2 { font-size: 1.75rem; margin-bottom: 28px; }
}
@media (max-width: 480px) {
  .brand img { height: 64px; width: 64px; }
  .btn { padding: 12px 20px; }
  .actions .btn { flex: 1 1 100%; text-align: center; }
  .site-header .btn { padding: 10px 16px; font-size: 0.8rem; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .btn { transition: none; }
}