@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;500;600;700;800;900&family=Open+Sans:wght@300;400;500;600&display=swap');

:root {
  --green:   #2e7d32;
  --green2:  #43a047;
  --green-light: #81c784;
  --gold:    #f5a623;
  --dark:    #1a1a1a;
  --text:    #333;
  --light-bg:#f5f7f5;
}

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

body {
  font-family: 'Open Sans', sans-serif;
  color: var(--text);
  background: #fff;
  overflow-x: hidden;
}

/* ===== HEADER ===== */
header {
  background: linear-gradient(135deg, #1b5e20 0%, #2e7d32 60%, #388e3c 100%);
  position: sticky;
  top: 0;
  width: 100%;
  z-index: 999;
  box-shadow: 0 2px 16px rgba(0,0,0,0.25);
}

header nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.4rem 2rem;
  max-width: 1400px;
  margin: 0 auto;
}

.logo img { width: 160px; height: auto; }

/* Hamburger */
.hamburger {
  display: flex; flex-direction: column;
  cursor: pointer; gap: 5px; padding: 5px; z-index: 1000;
}
.hamburger span {
  display: block; width: 25px; height: 3px;
  background: #fff; border-radius: 3px;
  transition: transform 0.35s, opacity 0.25s;
  transform-origin: center;
}
.hamburger.active span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.active span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* Nav menu */
.nav-menu {
  display: flex; flex-direction: column;
  position: absolute; top: 64px; left: 0; width: 100%;
  background: linear-gradient(135deg, #1b5e20, #2e7d32);
  list-style: none; gap: 0; z-index: 999;
  max-height: 0; overflow: hidden; opacity: 0;
  transform: translateY(-8px); pointer-events: none;
  transition: max-height 0.4s cubic-bezier(0.23,1,0.32,1),
              opacity 0.35s ease, transform 0.35s ease;
}
.nav-menu.active {
  max-height: 700px; opacity: 1;
  transform: translateY(0); pointer-events: auto;
}
.nav-menu li { width: 100%; opacity:0; transform: translateX(-12px); transition: opacity 0.3s, transform 0.3s; }
.nav-menu.active li:nth-child(1) { opacity:1; transform:translateX(0); transition-delay:0.05s; }
.nav-menu.active li:nth-child(2) { opacity:1; transform:translateX(0); transition-delay:0.10s; }
.nav-menu.active li:nth-child(3) { opacity:1; transform:translateX(0); transition-delay:0.15s; }
.nav-menu.active li:nth-child(4) { opacity:1; transform:translateX(0); transition-delay:0.20s; }
.nav-menu.active li:nth-child(5) { opacity:1; transform:translateX(0); transition-delay:0.25s; }
.nav-menu.active li:nth-child(6) { opacity:1; transform:translateX(0); transition-delay:0.30s; }
.nav-menu.active li:nth-child(7) { opacity:1; transform:translateX(0); transition-delay:0.35s; }
.nav-menu.active li:nth-child(8) { opacity:1; transform:translateX(0); transition-delay:0.40s; }

.nav-menu a {
  display: block; padding: 13px 2rem;
  color: #fff; text-decoration: none;
  font-weight: 600; font-size: 15px;
  font-family: 'Montserrat', sans-serif;
  letter-spacing: 0.3px;
  border-bottom: 1px solid rgba(255,255,255,0.15);
  transition: background 0.2s, padding-left 0.2s;
}
.nav-menu a:hover { background: rgba(255,255,255,0.15); padding-left: 2.6rem; }

/* ===== FOOTER ===== */
.footer { background: #111; padding: 18px 0; }
.footer-content {
  display: flex; flex-wrap: wrap; align-items: center;
  justify-content: center; gap: 8px;
  max-width: 1200px; margin: 0 auto; padding: 0 1rem;
}
.footer-content p { margin:0; font-size:13px; color:#ccc; white-space:nowrap; }
.footer-content a { color:#81c784; text-decoration:none; }
.footer-content .divider { color:#555; font-size:13px; }
@media(max-width:768px){
  .footer-content { flex-direction:column; gap:4px; text-align:center; }
  .footer-content .divider { display:none; }
}

/* ===== WA FLOATING BUTTON ===== */
.wa-fab {
  position: fixed; bottom: 28px; right: 24px;
  width: 58px; height: 58px; border-radius: 50%;
  background: #25d366; color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 28px; cursor: pointer; z-index: 9000;
  box-shadow: 0 6px 24px rgba(37,211,102,0.5);
  transition: transform 0.3s;
}
.wa-fab:hover { transform: scale(1.08); }
.wa-pulse {
  position: absolute; width: 58px; height: 58px;
  border-radius: 50%; background: rgba(37,211,102,0.4);
  animation: pulse 2s infinite;
}
@keyframes pulse { 0%{transform:scale(1);opacity:0.8} 70%{transform:scale(1.5);opacity:0} 100%{transform:scale(1.5);opacity:0} }

.wa-overlay {
  display:none; position:fixed; inset:0;
  background:rgba(0,0,0,0.4); z-index:8999;
}
.wa-overlay.active { display:block; }

.wa-card {
  position:fixed; bottom:100px; right:24px;
  width:320px; background:#fff; border-radius:16px;
  box-shadow:0 12px 40px rgba(0,0,0,0.25);
  z-index:9001; opacity:0; transform:translateY(20px) scale(0.95);
  pointer-events:none; transition:all 0.3s;
}
.wa-card.active { opacity:1; transform:translateY(0) scale(1); pointer-events:auto; }

.wa-card-header {
  display:flex; align-items:center; gap:12px;
  background: linear-gradient(135deg,#1b5e20,#2e7d32);
  color:#fff; padding:16px; border-radius:16px 16px 0 0;
}
.wa-header-icon { font-size:28px; }
.wa-card-header h3 { font-size:1rem; margin:0; font-family:'Montserrat',sans-serif; }
.wa-card-header p { font-size:0.78rem; opacity:0.85; margin:2px 0 0; }
.wa-close { margin-left:auto; background:rgba(255,255,255,0.2); border:none; color:#fff; width:28px; height:28px; border-radius:50%; cursor:pointer; font-size:14px; }

.wa-contacts { padding:12px; }
.wa-contact-item {
  display:flex; align-items:center; gap:12px; padding:12px;
  border-radius:10px; cursor:pointer; transition:background 0.2s; margin-bottom:6px;
}
.wa-contact-item:hover { background:#f0f9f0; }
.wa-avatar {
  width:44px; height:44px; border-radius:50%;
  display:flex; align-items:center; justify-content:center; font-size:18px; color:#fff;
}
.wa-avatar-1 { background: linear-gradient(135deg,#2e7d32,#43a047); }
.wa-avatar-2 { background: linear-gradient(135deg,#1565c0,#1976d2); }
.wa-contact-name { font-weight:600; font-size:0.9rem; display:block; }
.wa-contact-num { font-size:0.8rem; color:#666; display:block; }
.wa-arrow { margin-left:auto; color:#999; font-size:12px; }
.wa-card-footer { padding:10px 16px; text-align:center; font-size:0.75rem; color:#888; border-top:1px solid #eee; }

/* ===== SECTION UTILITY ===== */
.container { max-width:1200px; margin:0 auto; padding:0 1.5rem; }
.section-title {
  font-family:'Montserrat',sans-serif;
  font-weight:800; font-size:clamp(1.6rem,3vw,2.2rem);
  color: var(--green); text-align:center; margin-bottom:0.4rem;
}
.section-subtitle { text-align:center; color:#666; font-size:0.95rem; margin-bottom:2rem; }
.section-underline {
  display:block; width:60px; height:4px; background:var(--green);
  margin:8px auto 2rem; border-radius:2px;
}