:root {
  --bg: #f7f8fb;
  --panel: #ffffff;
  --text: #1e293b;
  --muted: #64748b;
  --primary: #0f766e;
  --primary-dark: #115e59;
  --line: #e2e8f0;
  --soft: #ecfeff;
  --shadow: 0 20px 50px rgba(15, 23, 42, 0.08);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
}

a { color: inherit; }

.hero {
  min-height: 72vh;
  background:
    radial-gradient(circle at 20% 10%, rgba(20, 184, 166, 0.22), transparent 35%),
    linear-gradient(135deg, #0f172a, #0f766e);
  color: #fff;
  padding-bottom: 5rem;
}

.nav {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem clamp(1rem, 4vw, 4rem);
  backdrop-filter: blur(14px);
  background: rgba(15, 23, 42, 0.42);
}

.brand {
  font-weight: 800;
  letter-spacing: .02em;
}

.menu {
  display: flex;
  gap: .35rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.menu a {
  display: block;
  text-decoration: none;
  padding: .55rem .7rem;
  border-radius: 999px;
  font-size: .92rem;
  color: rgba(255,255,255,.9);
}

.menu a:hover { background: rgba(255,255,255,.12); }

.menu-toggle {
  display: none;
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.25);
  color: #fff;
  border-radius: 10px;
  padding: .45rem .7rem;
  font-size: 1.1rem;
}

.hero-content {
  max-width: 1050px;
  margin: 0 auto;
  padding: 8rem clamp(1.2rem, 4vw, 3rem) 3rem;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: .12em;
  font-size: .82rem;
  color: #bffcf4;
  font-weight: 700;
}

h1 {
  font-size: clamp(2.4rem, 7vw, 5.6rem);
  line-height: 1;
  margin: .7rem 0 1.3rem;
  max-width: 980px;
}

.subtitle {
  font-size: clamp(1.1rem, 2.2vw, 1.45rem);
  color: rgba(255,255,255,.86);
  max-width: 820px;
}

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

.button {
  border: 1px solid rgba(255,255,255,.35);
  padding: .85rem 1.15rem;
  border-radius: 14px;
  text-decoration: none;
  color: #fff;
  font-weight: 700;
}

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

.section {
  max-width: 1120px;
  margin: 0 auto;
  padding: 5rem clamp(1.1rem, 4vw, 3rem);
}

.section.alt {
  max-width: none;
  background: #fff;
  padding-left: max(clamp(1.1rem, 4vw, 3rem), calc((100vw - 1120px) / 2 + 3rem));
  padding-right: max(clamp(1.1rem, 4vw, 3rem), calc((100vw - 1120px) / 2 + 3rem));
}

.section-title {
  display: flex;
  gap: 1rem;
  align-items: center;
  margin-bottom: 1.5rem;
}

.section-title span {
  width: 46px;
  height: 46px;
  border-radius: 16px;
  display: grid;
  place-items: center;
  background: var(--soft);
  color: var(--primary-dark);
  font-weight: 900;
}

h2 {
  font-size: clamp(1.65rem, 3vw, 2.4rem);
  line-height: 1.15;
  margin: 0;
}

h3 {
  margin: 0 0 .65rem;
  color: #0f172a;
}

.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: clamp(1.2rem, 2.3vw, 2rem);
  box-shadow: var(--shadow);
}

.alt .card {
  background: #fbfdff;
}

.grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.1rem;
}

.mini p, .card p:last-child { margin-bottom: 0; }

.stats, .metrics {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

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

.stats div, .metrics div {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 1.25rem;
  box-shadow: 0 10px 30px rgba(15,23,42,.05);
}

.stats strong {
  display: block;
  font-size: 1.75rem;
  color: var(--primary-dark);
}

.stats span, .metrics span {
  display: block;
  color: var(--muted);
  font-size: .95rem;
}

.metrics b {
  color: var(--primary-dark);
  display: block;
  margin-bottom: .35rem;
}

.timeline {
  display: grid;
  gap: 1rem;
}

.item {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 1rem;
  align-items: start;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 1rem 1.2rem;
}

.item span {
  font-weight: 900;
  color: var(--primary-dark);
}

.item p { margin: 0; }

.contact-card a {
  display: inline-block;
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--primary-dark);
  text-decoration: none;
  border-bottom: 2px solid currentColor;
}

footer {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 2rem clamp(1rem, 4vw, 4rem);
  border-top: 1px solid var(--line);
  color: var(--muted);
  background: #fff;
}

footer a {
  color: var(--primary-dark);
  font-weight: 700;
  text-decoration: none;
}

@media (max-width: 850px) {
  .menu-toggle { display: block; }
  .menu {
    position: absolute;
    left: 1rem;
    right: 1rem;
    top: 4rem;
    display: none;
    flex-direction: column;
    background: rgba(15, 23, 42, .96);
    border: 1px solid rgba(255,255,255,.14);
    border-radius: 18px;
    padding: .7rem;
  }
  .menu.open { display: flex; }
  .grid, .stats, .metrics { grid-template-columns: 1fr; }
  .item { grid-template-columns: 1fr; }
  footer { flex-direction: column; }
}