:root {
  --bg: #f6f8fc;
  --surface: #ffffff;
  --text: #15223a;
  --muted: #5b667a;
  --primary: #0e7a5f;
  --primary-dark: #0a5f49;
  --line: #dbe2f0;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.55;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: #fff;
  border-bottom: 1px solid var(--line);
}

.nav-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: .85rem 0;
}

.brand {
  text-decoration: none;
  color: var(--text);
  font-weight: 800;
  font-size: 1.1rem;
}

.main-nav {
  display: flex;
  gap: 1rem;
  align-items: center;
}

.main-nav a {
  text-decoration: none;
  color: var(--text);
  font-weight: 600;
}

.btn-nav {
  background: var(--primary);
  color: #fff !important;
  border-radius: 999px;
  padding: .5rem .9rem;
}

.menu-toggle {
  display: none;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 8px;
  padding: .45rem .7rem;
}

.hero {
  background: linear-gradient(125deg, #e8edf9, #f8fbff);
  padding: 3rem 0;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 2rem;
  align-items: center;
}

.tag {
  display: inline-block;
  background: #d8efe8;
  color: var(--primary-dark);
  border-radius: 999px;
  font-size: .75rem;
  padding: .35rem .7rem;
  font-weight: 800;
}

h1 {
  margin: .8rem 0 1rem;
  font-size: clamp(1.9rem, 4vw, 3rem);
}

h2 {
  margin-top: 0;
  font-size: clamp(1.45rem, 2.3vw, 2.2rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .7rem;
  margin: 1.1rem 0 1rem;
}

.btn {
  text-decoration: none;
  border-radius: 10px;
  padding: .75rem 1rem;
  font-weight: 700;
  display: inline-block;
}

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

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

.btn-outline {
  background: #fff;
  color: var(--text);
  border: 1px solid var(--line);
}

.hero-bullets {
  margin: .9rem 0 0;
  padding-left: 1.1rem;
  color: var(--muted);
}

.hero-media img {
  width: 100%;
  border-radius: 14px;
  border: 1px solid var(--line);
}

.section {
  padding: 3rem 0;
}

.section-alt {
  background: #eef3fb;
}

.section-subtitle {
  margin-top: -.4rem;
  color: var(--muted);
}

.cards {
  margin-top: 1rem;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: .9rem;
}

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 1rem;
}

.card h3 {
  margin-top: 0;
  margin-bottom: .45rem;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: .7rem;
}

.gallery-grid img {
  width: 100%;
  border-radius: 10px;
  border: 1px solid var(--line);
}

.plantas-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.2rem;
  align-items: center;
}

.plantas-grid img {
  width: 100%;
  border-radius: 12px;
  border: 1px solid var(--line);
}

.list {
  color: var(--muted);
  padding-left: 1.1rem;
}

.section-urgency {
  background: #12243b;
  color: #edf5ff;
}

.urgency-box {
  display: grid;
  gap: .9rem;
}

.faq-list details {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: .8rem .9rem;
  margin-bottom: .6rem;
}

.faq-list summary {
  cursor: pointer;
  font-weight: 700;
}

.site-footer {
  border-top: 1px solid var(--line);
  background: #fff;
  padding: 1.4rem 0;
}

.footer-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: .8rem;
}

.whatsapp-float {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  z-index: 45;
  background: #1fa65a;
  color: #fff;
  text-decoration: none;
  padding: .7rem .9rem;
  border-radius: 999px;
  font-weight: 800;
  box-shadow: 0 8px 22px rgba(0, 0, 0, .2);
}

@media (max-width: 900px) {
  .hero-grid,
  .cards,
  .gallery-grid,
  .plantas-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 760px) {
  .menu-toggle {
    display: block;
  }

  .main-nav {
    display: none;
    position: absolute;
    top: 63px;
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1px solid var(--line);
    padding: .8rem 1rem;
    flex-direction: column;
    align-items: flex-start;
  }

  .main-nav.show {
    display: flex;
  }

  .hero-grid,
  .cards,
  .gallery-grid,
  .plantas-grid {
    grid-template-columns: 1fr;
  }

  .footer-row {
    flex-direction: column;
    align-items: flex-start;
  }
}