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

:root {
  --teal: #0e7c72;
  --teal-light: #12a396;
  --teal-bg: #f2fafa;
  --dark: #1c2b2a;
  --gray: #556b6a;
  --border: #d0e8e6;
  --white: #ffffff;
}

body {
  font-family: 'Segoe UI', system-ui, sans-serif;
  color: var(--dark);
  background: var(--white);
  line-height: 1.6;
}

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

/* NAV */
nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 40px;
  height: 64px;
  background: var(--white);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-logo {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--teal);
  letter-spacing: -0.5px;
}

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

.nav-links {
  display: flex;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  font-size: 0.95rem;
  color: var(--gray);
  font-weight: 500;
  transition: color 0.2s;
}

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

/* BUTTONS */
.btn {
  display: inline-block;
  padding: 12px 28px;
  border-radius: 6px;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: background 0.2s, transform 0.1s;
  border: none;
}

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

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

.btn-outline {
  background: transparent;
  color: var(--teal);
  border: 2px solid var(--teal);
}

.btn-outline:hover { background: var(--teal-bg); }

/* HERO */
.hero {
  background: linear-gradient(135deg, var(--teal) 0%, #0a5a52 100%);
  color: var(--white);
  padding: 100px 40px;
  text-align: center;
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 800;
  margin-bottom: 20px;
  letter-spacing: -1px;
}

.hero p {
  font-size: 1.15rem;
  opacity: 0.88;
  max-width: 560px;
  margin: 0 auto 36px;
}

/* SECTIONS */
section { padding: 72px 40px; }

.section-inner {
  max-width: 960px;
  margin: 0 auto;
}

.section-label {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--teal-light);
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 700;
  margin-bottom: 16px;
  letter-spacing: -0.5px;
}

.section-sub {
  color: var(--gray);
  font-size: 1.05rem;
  max-width: 600px;
}

/* CARDS */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
  margin-top: 48px;
}

.card {
  background: var(--teal-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 32px 28px;
}

.card-icon {
  font-size: 2rem;
  margin-bottom: 16px;
}

.card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--teal);
}

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

/* TEAM */
.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
  margin-top: 48px;
}

.team-card {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 32px 24px;
  text-align: center;
}

.team-avatar {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--teal);
  color: var(--white);
  font-size: 1.5rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
}

.team-card h3 { font-size: 1rem; font-weight: 700; margin-bottom: 4px; }
.team-card .role { font-size: 0.85rem; color: var(--teal-light); font-weight: 600; margin-bottom: 12px; }
.team-card p { font-size: 0.9rem; color: var(--gray); }

/* ALTERNATING SECTION */
.alt-bg { background: var(--teal-bg); }

/* CONTACT FORM */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
  margin-top: 48px;
}

.contact-info h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 20px; }

.contact-detail {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  margin-bottom: 20px;
  color: var(--gray);
  font-size: 0.95rem;
}

.contact-detail .icon { font-size: 1.2rem; flex-shrink: 0; }

form { display: flex; flex-direction: column; gap: 16px; }

form input, form textarea, form select {
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 0.95rem;
  font-family: inherit;
  background: var(--white);
  color: var(--dark);
  transition: border-color 0.2s;
  width: 100%;
}

form input:focus, form textarea:focus {
  outline: none;
  border-color: var(--teal);
}

form textarea { resize: vertical; min-height: 140px; }

/* FOOTER */
footer {
  background: var(--dark);
  color: rgba(255,255,255,0.6);
  text-align: center;
  padding: 32px 40px;
  font-size: 0.88rem;
}

footer a { color: rgba(255,255,255,0.8); }
footer strong { color: var(--white); }

/* RESPONSIVE */
@media (max-width: 640px) {
  nav { padding: 0 20px; }
  .nav-links { gap: 16px; }
  section { padding: 48px 20px; }
  .hero { padding: 72px 20px; }
  .contact-grid { grid-template-columns: 1fr; gap: 40px; }
}