:root {
  --teal: #0f6b78;
  --teal-dark: #084a55;
  --ink: #172126;
  --muted: #617078;
  --line: #dbe5e7;
  --soft: #f2f7f8;
  --white: #fff;
  --max: 1100px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

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

.container {
  width: min(calc(100% - 40px), var(--max));
  margin: auto;
}

nav {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}

.nav {
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-weight: 800;
  letter-spacing: 0.08em;
}

.logo span {
  color: var(--teal);
}

.links {
  display: flex;
  gap: 26px;
  font-size: 0.92rem;
  color: var(--muted);
}

.links a:hover {
  color: var(--teal);
}

.hero {
  padding: 100px 0 90px;
  background: linear-gradient(135deg, #f7fbfb 0%, #fff 65%);
}

.kicker {
  color: var(--teal);
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 0.78rem;
}

h1 {
  font-size: clamp(2.8rem, 7vw, 5.4rem);
  line-height: 0.98;
  margin: 16px 0 20px;
  letter-spacing: -0.055em;
}

.hero h1 span {
  color: var(--teal);
}

.lead {
  font-size: clamp(1.05rem, 2vw, 1.35rem);
  color: var(--muted);
  max-width: 720px;
}

.actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 30px;
}

.btn {
  padding: 12px 18px;
  border-radius: 8px;
  font-weight: 700;
  border: 1px solid var(--teal);
}

.btn.primary {
  background: var(--teal);
  color: white;
}

.btn.secondary {
  color: var(--teal);
  background: white;
}

section {
  padding: 82px 0;
  border-bottom: 1px solid var(--line);
}

.section-head {
  margin-bottom: 35px;
}

.section-head h2 {
  font-size: 2rem;
  margin: 6px 0;
}

.section-head p {
  color: var(--muted);
  max-width: 680px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}

.card {
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 24px;
  background: white;
}

.card h3 {
  margin: 0 0 12px;
  font-size: 1.05rem;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag {
  background: var(--soft);
  color: var(--teal-dark);
  padding: 7px 10px;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 650;
}

.timeline {
  display: grid;
  gap: 25px;
}

.role {
  border-left: 3px solid var(--teal);
  padding-left: 22px;
}

.role h3 {
  margin: 0;
}

.role .meta {
  color: var(--teal);
  font-weight: 700;
  font-size: 0.9rem;
}

.role ul {
  margin: 12px 0 0;
  padding-left: 20px;
  color: #3f4d53;
}

.callout {
  background: var(--teal);
  color: white;
  border-radius: 18px;
  padding: 38px;
}

.callout p {
  color: #e7f3f4;
  max-width: 760px;
}

footer {
  padding: 40px 0;
  color: var(--muted);
  font-size: 0.9rem;
}

@media (max-width: 720px) {
  .links {
    display: none;
  }

  .hero {
    padding: 70px 0;
  }

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

  section {
    padding: 60px 0;
  }
}