:root {
  --teal-dark: #3f7f72;
  --teal: #4f9a8b;
  --teal-light: #dcefeb;
  --cream: #f8f5ef;
  --sand: #eee7dc;
  --text: #243331;
  --muted: #667a76;
  --white: #ffffff;
  --border: #d9e3df;
  --shadow: 0 12px 30px rgba(36, 51, 49, 0.08);
}

html {
  scroll-behavior: smooth;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  display: block;
}

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

.container {
  width: min(1120px, 92%);
  margin: 0 auto;
}

/* Typography */

h1 {
  font-size: clamp(40px, 6vw, 68px);
  line-height: 1.05;
  margin: 14px 0 20px;
}

h2 {
  font-size: clamp(30px, 4vw, 44px);
  line-height: 1.15;
  margin: 0 0 18px;
}

h3 {
  font-size: 22px;
  line-height: 1.3;
}

p {
  margin-top: 0;
}

ul li {
  margin-bottom: 10px;
}

/* Header */

.site-header {
  background: var(--white);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 0;
}

.logo {
  display: flex;
  align-items: center;
  gap: 14px;
  font-weight: 700;
  font-size: 20px;
  color: var(--teal-dark);
}

.logo img {
  width: 58px;
  height: auto;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-links a {
  color: var(--text);
  font-size: 15px;
  font-weight: 500;
  transition: 0.2s ease;
}

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

/* Buttons */

.btn {
  display: inline-block;
  padding: 13px 22px;
  border-radius: 999px;
  font-weight: 700;
  transition: all 0.25s ease;
}

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

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

.btn-secondary {
  border: 1px solid var(--teal-dark);
  color: var(--teal-dark);
}

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

/* Hero */

.hero {
  background: linear-gradient(135deg, var(--cream), var(--teal-light));
  padding: 88px 0;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}

.eyebrow {
  color: var(--teal-dark);
  text-transform: uppercase;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 1.5px;
}

.hero p {
  font-size: 20px;
  color: var(--muted);
  max-width: 620px;
}

.hero-actions {
  margin-top: 30px;
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-card {
  background: var(--white);
  border-radius: 26px;
  padding: 34px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}

.hero-card h3 {
  margin-top: 0;
  color: var(--teal-dark);
}

.hero-card ul {
  padding-left: 20px;
  margin-bottom: 0;
}

/* Sections */

.section {
  padding: 76px 0;
}

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

.section-header {
  max-width: 720px;
  margin-bottom: 38px;
}

.section-header p {
  color: var(--muted);
  font-size: 18px;
}

/* Cards */

.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 22px;
  padding: 28px;
  box-shadow: var(--shadow);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 36px rgba(36, 51, 49, 0.12);
}

.card h3 {
  margin-top: 0;
  color: var(--teal-dark);
}

/* About */

.about-grid {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 44px;
  align-items: center;
}

.about-logo {
  background: var(--teal-light);
  border-radius: 28px;
  padding: 40px;
  text-align: center;
}

.about-logo img {
  width: 260px;
  margin: 0 auto;
}

/* Contact */

.contact-box {
  background: var(--teal-dark);
  color: var(--white);
  border-radius: 30px;
  padding: 46px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 30px;
  align-items: center;
}

.contact-box p {
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 0;
}

.contact-box .btn {
  background: var(--white);
  color: var(--teal-dark);
}

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

/* Footer */

.footer {
  padding: 30px 0;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 14px;
}

/* Mobile */

@media (max-width: 850px) {

  .nav {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }

  .nav-links {
    display: none;
  }

  .hero-grid,
  .about-grid,
  .contact-box {
    grid-template-columns: 1fr;
  }

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

  .hero {
    padding: 64px 0;
  }

  .section {
    padding: 58px 0;
  }

  .hero p {
    font-size: 18px;
  }

  .contact-box {
    padding: 36px;
  }
}