/* Calm & Natural Theme — Born2Teach */

/* COLOURS */
:root {
  --forest: #2f4f4f;
  --sage: #dfe8e2;
  --sage-light: #eef4f1;
  --sand: #f4ede4;
  --cream: #faf8f4;
  --charcoal: #2b2b2b;
  --muted: #5f6b63;
  --white: #ffffff;
  --radius: 10px;
  --max-width: 1100px;
}

/* GLOBAL */
body {
  font-family: "Segoe UI", system-ui, sans-serif;
  background: var(--cream);
  color: var(--charcoal);
  line-height: 1.7;
  margin: 0;
  padding: 0;
}

a {
  text-decoration: none;
  color: var(--forest);
}

/* HEADER */
header {
  background: var(--white);
  border-bottom: 1px solid #dcdcd4;
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0.75rem 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brand {
  font-weight: 700;
  font-size: 1.3rem;
  color: var(--forest);
}

nav ul {
  list-style: none;
  display: flex;
  gap: 1.5rem;
}

nav a {
  color: var(--muted);
  font-weight: 500;
}

nav a.active {
  color: var(--forest);
  font-weight: 600;
}

/* HERO */
.hero {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 2.5rem;
  margin-top: 2rem;
  padding: 2rem 0;
}

.hero h1 {
  font-size: 2.4rem;
  color: var(--forest);
  margin-bottom: 1rem;
}

.hero p {
  color: var(--muted);
  margin-bottom: 1.5rem;
}

.badge {
  background: var(--sage);
  color: var(--forest);
  padding: 0.4rem 0.8rem;
  border-radius: 999px;
  font-size: 0.85rem;
  display: inline-block;
  margin-bottom: 0.8rem;
}

.btn {
  padding: 0.7rem 1.4rem;
  border-radius: 999px;
  font-weight: 600;
  cursor: pointer;
  border: none;
}

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

.btn-primary:hover {
  background: #3b5f5f;
}

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

.hero-card {
  background: var(--white);
  padding: 1.5rem;
  border-radius: var(--radius);
  box-shadow: 0 8px 20px rgba(0,0,0,0.08);
}

/* SECTIONS */
.section {
  margin-top: 4rem;
  padding: 2rem 0;
}

.section h2 {
  font-size: 1.8rem;
  color: var(--forest);
  margin-bottom: 0.5rem;
}

.section-intro {
  color: var(--muted);
  margin-bottom: 2rem;
}

/* GRID */
.grid {
  display: grid;
  gap: 2rem;
}

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

.card {
  background: var(--white);
  padding: 1.5rem;
  border-radius: var(--radius);
  box-shadow: 0 6px 16px rgba(0,0,0,0.06);
}

.card h3 {
  color: var(--forest);
  margin-bottom: 0.5rem;
}

.card p {
  color: var(--muted);
}

/* FOOTER */
footer {
  background: var(--sage-light);
  padding: 1.5rem 1rem;
  margin-top: 3rem;
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  color: var(--muted);
}

.social-links a {
  color: var(--forest);
  font-weight: 500;
}

/* RESPONSIVE */
@media (max-width: 800px) {
  .hero {
    grid-template-columns: 1fr;
  }
  .grid-3 {
    grid-template-columns: 1fr;
  }
}