:root {
  --green: #2f7d5a;
  --green-dark: #1f5e42;
  --bg: #ffffff;
  --text: #1f2937;
  --muted: #6b7280;
}

/* RESET */
* {
  box-sizing: border-box;
  font-family: "Segoe UI", system-ui, sans-serif;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
}

/* ================= NAVBAR ================= */
nav {
  background: white;
  padding: 18px 64px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid #e5e7eb;
}

nav .logo {
  font-size: 22px;
  font-weight: 700;
  color: var(--green);
}

nav ul {
  display: flex;
  gap: 32px;
  list-style: none;
  margin: 0;
  padding: 0;
}

nav a {
  text-decoration: none;
  color: var(--text);
  font-weight: 500;
}

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

/* ================= HERO ================= */
.hero {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 60px;
  padding: 90px 64px;
  align-items: center;
}

.badge {
  display: inline-block;
  background: #e6f4ee;
  color: var(--green-dark);
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 13px;
  margin-bottom: 16px;
}

.hero h1 {
  font-size: 46px;
  line-height: 1.2;
  margin: 0 0 20px;
}

.hero p {
  font-size: 16px;
  color: var(--muted);
  max-width: 520px;
  margin-bottom: 28px;
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  gap: 16px;
}

.hero-actions a {
  text-decoration: none;
  padding: 14px 22px;
  border-radius: 8px;
  font-weight: 600;
}

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

.btn-outline {
  border: 1px solid var(--green);
  color: var(--green);
}

/* ================= HERO IMAGE ================= */
.hero-image img {
  width: 100%;
  border-radius: 20px;
  object-fit: cover;
}

/* ================= WHY / FEATURES ================= */
.why {
  padding: 90px 64px;
  text-align: center;
}

.why h2 {
  font-size: 34px;
  margin-bottom: 12px;
}

.why p {
  color: var(--muted);
  margin-bottom: 56px;
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.6;
}

.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.card {
  background: white;
  padding: 32px;
  border-radius: 20px;
  box-shadow: 0 10px 30px rgba(0,0,0,.06);
  text-align: left;
}

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

.card p {
  font-size: 15px;
  color: var(--muted);
}

/* ================= FOOTER ================= */
footer {
  padding: 40px;
  text-align: center;
  color: var(--muted);
  font-size: 14px;
}

/* ================= RESPONSIVE ================= */
@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
    padding: 64px 24px;
  }

  .why {
    padding: 64px 24px;
  }

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

  nav {
    padding: 16px 24px;
  }
}