:root {
  --teal: #0f766e;
  --teal-dark: #0b5d57;
  --teal-light: #f0fdfa;
  --cream: #ffffff;
  --ink: #1f2937;
  --muted: #4b5563;
  --warm: #f59e0b;
  --radius: 18px;
  --shadow: 0 14px 34px rgba(15, 118, 110, 0.12);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: 'Open Sans', system-ui, sans-serif;
  color: var(--ink);
  line-height: 1.6;
}

.container {
  width: min(1120px, 92%);
  margin-inline: auto;
}

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

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid #e5e7eb;
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
  gap: 16px;
}

.brand {
  font-family: 'Poppins', sans-serif;
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--ink);
  display: flex;
  align-items: center;
  gap: 8px;
}

.brand .brand-mark { font-size: 1.3rem; }

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

.nav { display: flex; gap: 28px; }

.nav a {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--muted);
  transition: color 0.2s;
}

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

.header-wa,
.btn {
  background: var(--teal);
  color: #fff;
  padding: 11px 18px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.9rem;
  display: inline-block;
  transition: background 0.2s, transform 0.15s;
}

.header-wa:hover,
.btn-wa:hover { background: var(--teal-dark); transform: translateY(-2px); }

.nav-toggle { display: none; background: none; border: 0; font-size: 1.6rem; cursor: pointer; color: var(--ink); }

/* Hero */
.hero {
  background: linear-gradient(135deg, var(--teal-light), #ecfeff 60%, #fefce8);
  padding: 96px 0;
  text-align: center;
}

.hero .badge {
  display: inline-block;
  background: rgba(15, 118, 110, 0.1);
  color: var(--teal-dark);
  font-weight: 600;
  font-size: 0.85rem;
  padding: 8px 16px;
  border-radius: 999px;
  margin-bottom: 20px;
}

.hero h1 {
  font-family: 'Poppins', sans-serif;
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  font-weight: 700;
  line-height: 1.12;
  max-width: 760px;
  margin: 0 auto 18px;
}

.hero p {
  font-size: 1.1rem;
  color: var(--muted);
  max-width: 640px;
  margin: 0 auto 30px;
}

.hero-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

.btn-ghost {
  background: #fff;
  color: var(--teal);
  border: 1.5px solid var(--teal);
}

.btn-ghost:hover { background: var(--teal-light); }

/* Sections */
.section { padding: 80px 0; }

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

.section-ey {
  text-transform: uppercase;
  letter-spacing: 2px;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--warm);
  text-align: center;
  margin-bottom: 10px;
}

.section h2 {
  font-family: 'Poppins', sans-serif;
  text-align: center;
  font-size: clamp(1.7rem, 3.5vw, 2.3rem);
  margin-bottom: 14px;
}

.lede {
  text-align: center;
  color: var(--muted);
  max-width: 620px;
  margin: 0 auto 44px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 22px;
}

.card {
  background: var(--cream);
  border: 1px solid #e5e7eb;
  border-radius: var(--radius);
  padding: 26px;
  box-shadow: var(--shadow);
  text-align: center;
}

.card-icon { font-size: 1.9rem; margin-bottom: 12px; }

.card h3 {
  font-family: 'Poppins', sans-serif;
  margin-bottom: 8px;
  font-size: 1.1rem;
}

.card p { color: var(--muted); font-size: 0.95rem; }

/* CTA */
.cta {
  background: var(--teal);
  color: #fff;
  padding: 80px 0;
  text-align: center;
}

.cta h2 {
  font-family: 'Poppins', sans-serif;
  font-size: clamp(1.7rem, 3.5vw, 2.3rem);
  margin-bottom: 14px;
}

.cta p { max-width: 560px; margin: 0 auto 28px; opacity: 0.95; }

.cta .btn { background: #fff; color: var(--teal); }

.cta .btn:hover { background: var(--warm); color: #fff; }

/* Footer */
.footer {
  background: #0b1220;
  color: #cfd8e3;
  padding: 56px 0 28px;
}

.footer-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 32px;
  justify-content: space-between;
  margin-bottom: 28px;
}

.footer h3 { font-family: 'Poppins', sans-serif; color: #fff; margin-bottom: 8px; }

.footer h4 { color: #fff; margin-bottom: 8px; }

.footer a { color: var(--warm); }

.disclaimer {
  text-align: center;
  font-size: 0.82rem;
  color: #8a96a6;
  border-top: 1px solid #243046;
  padding-top: 20px;
}

/* Mobile nav */
@media (max-width: 760px) {
  .nav-toggle { display: block; }

  .nav {
    display: none;
    position: absolute;
    top: 60px;
    right: 4%;
    background: #fff;
    border-radius: 14px;
    box-shadow: var(--shadow);
    padding: 16px;
    flex-direction: column;
    gap: 14px;
  }

  .nav.open { display: flex; }

  .nav a { font-size: 1rem; }
}