:root {
  --green-dark: #1b5e20;
  --green: #2e7d32;
  --green-mid: #43a047;
  --green-light: #66bb6a;
  --green-pale: #e8f5e9;
  --ink: #1c2b1d;
  --muted: #5b6b5c;
  --white: #ffffff;
  --shadow: 0 6px 20px rgba(27, 94, 32, 0.12);
  --radius: 16px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: "Poppins", system-ui, -apple-system, sans-serif;
  color: var(--ink);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

.container {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
}

h1, h2, h3, .brand-name { font-family: "Montserrat", sans-serif; }

/* HEADER */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--green-pale);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.brand { display: flex; align-items: center; gap: 10px; }
.brand-logo { width: 40px; height: 40px; }
.brand-name {
  font-weight: 800;
  font-size: 1.05rem;
  color: var(--green-dark);
  line-height: 1;
  display: flex;
  flex-direction: column;
}
.brand-name span { font-weight: 600; font-size: 0.7rem; color: var(--green-mid); letter-spacing: 0.5px; }

.nav { display: flex; align-items: center; gap: 22px; }
.nav-link { font-weight: 500; color: var(--ink); font-size: 0.95rem; }
.nav-link:hover { color: var(--green); }
.nav-call {
  background: var(--green);
  color: #fff;
  padding: 8px 16px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.9rem;
}
.nav-call:hover { background: var(--green-dark); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: 0;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--green-dark);
  border-radius: 2px;
  transition: 0.3s;
}

/* HERO */
.hero {
  background: linear-gradient(160deg, var(--green-pale) 0%, #ffffff 70%);
  text-align: center;
  padding: 56px 0 64px;
}
.hero-logo { width: 130px; height: 130px; margin: 0 auto 20px; }
.hero h1 {
  font-size: 2rem;
  color: var(--green-dark);
  font-weight: 800;
  line-height: 1.2;
}
.hero-tagline {
  max-width: 560px;
  margin: 14px auto 28px;
  color: var(--muted);
  font-size: 1.05rem;
}
.hero-actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

.btn {
  display: inline-block;
  padding: 13px 26px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 1rem;
  transition: transform 0.15s, box-shadow 0.2s, background 0.2s;
}
.btn:active { transform: scale(0.97); }
.btn-primary { background: var(--green); color: #fff; box-shadow: var(--shadow); }
.btn-primary:hover { background: var(--green-dark); }
.btn-ghost { background: #fff; color: var(--green-dark); border: 2px solid var(--green-light); }
.btn-ghost:hover { background: var(--green-pale); }

/* SECTIONS */
.section { padding: 56px 0; }
.section-alt { background: var(--green-pale); }
.section-title {
  font-size: 1.7rem;
  color: var(--green-dark);
  text-align: center;
  font-weight: 800;
}
.section-subtitle {
  text-align: center;
  color: var(--muted);
  max-width: 560px;
  margin: 10px auto 36px;
}

/* CARDS */
.cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}
.card {
  background: #fff;
  border: 1px solid var(--green-pale);
  border-radius: var(--radius);
  padding: 26px 22px;
  box-shadow: var(--shadow);
  transition: transform 0.2s;
}
.card:hover { transform: translateY(-4px); }
.card-icon {
  width: 54px; height: 54px;
  display: grid; place-items: center;
  background: var(--green-pale);
  border-radius: 14px;
  font-size: 1.6rem;
  margin-bottom: 14px;
}
.card h3 { color: var(--green-dark); font-size: 1.15rem; margin-bottom: 6px; }
.card p { color: var(--muted); font-size: 0.95rem; }

/* ABOUT */
.about-inner {
  display: flex;
  flex-direction: column;
  gap: 30px;
  align-items: center;
}
.about-text p { color: var(--muted); margin-bottom: 14px; }
.about-text .section-title { text-align: left; }
.features { list-style: none; margin-top: 18px; display: grid; gap: 8px; }
.features li { font-weight: 500; color: var(--green-dark); }
.about-badge img { width: 160px; height: 160px; opacity: 0.95; }

/* ZONE */
.zone-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  max-width: 640px;
  margin: 0 auto;
}
.zone-grid span {
  background: var(--green-pale);
  color: var(--green-dark);
  font-weight: 600;
  text-align: center;
  padding: 14px;
  border-radius: 12px;
}

/* CONTACT */
.section-contact { background: linear-gradient(160deg, #ffffff, var(--green-pale)); }
.contact-wrap {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  max-width: 560px;
  margin: 0 auto;
}
.contact-card {
  display: flex;
  align-items: center;
  gap: 16px;
  background: #fff;
  border: 1px solid var(--green-pale);
  border-radius: var(--radius);
  padding: 18px 22px;
  box-shadow: var(--shadow);
  transition: transform 0.15s;
}
.contact-card:hover { transform: translateY(-3px); }
.contact-icon { font-size: 1.6rem; }
.contact-label { display: block; font-size: 0.8rem; color: var(--muted); }
.contact-value { display: block; font-weight: 700; color: var(--green-dark); font-size: 1.1rem; }

/* FOOTER */
.site-footer { background: var(--green-dark); color: #fff; padding: 36px 0; }
.footer-inner { text-align: center; display: grid; gap: 8px; }
.footer-brand { display: flex; align-items: center; justify-content: center; gap: 10px; font-weight: 700; font-family: "Montserrat"; }
.footer-brand img { width: 36px; height: 36px; filter: brightness(0) invert(1); }
.footer-tag { color: var(--green-light); font-style: italic; }
.footer-copy { font-size: 0.85rem; color: #c8e6c9; }

/* FAB */
.fab-call {
  position: fixed;
  right: 18px;
  bottom: 18px;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: var(--green);
  color: #fff;
  display: none;
  place-items: center;
  font-size: 1.5rem;
  box-shadow: 0 8px 22px rgba(27, 94, 32, 0.4);
  z-index: 60;
  animation: pulse 2.5s infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 8px 22px rgba(27, 94, 32, 0.4); }
  50% { box-shadow: 0 8px 30px rgba(46, 125, 50, 0.7); }
}

/* ===== RESPONSIVE ===== */
@media (min-width: 700px) {
  .cards { grid-template-columns: repeat(2, 1fr); }
  .hero h1 { font-size: 2.6rem; }
}
@media (min-width: 980px) {
  .cards { grid-template-columns: repeat(3, 1fr); }
  .about-inner { flex-direction: row; justify-content: space-between; }
  .about-text { flex: 1; }
  .about-badge { flex-shrink: 0; }
  .contact-wrap { grid-template-columns: repeat(3, 1fr); }
}

/* MOBILE NAV */
@media (max-width: 820px) {
  .nav-toggle { display: flex; }
  .nav {
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    background: #fff;
    border-bottom: 1px solid var(--green-pale);
    box-shadow: var(--shadow);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
  }
  .nav.open { max-height: 380px; }
  .nav-link, .nav-call {
    width: 100%;
    text-align: center;
    padding: 16px;
    border-radius: 0;
  }
  .nav-call { background: var(--green-pale); color: var(--green-dark); }
  .fab-call { display: grid; }
}