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

:root {
  --primary: #2d6a4f;
  --primary-light: #52b788;
  --primary-dark: #1b4332;
  --accent: #ffb703;
  --accent-dark: #e8a800;
  --light: #f0f7f4;
  --white: #ffffff;
  --gray: #6c757d;
  --dark: #212529;
  --shadow: 0 4px 20px rgba(0,0,0,0.1);
  --radius: 12px;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Segoe UI', Roboto, system-ui, sans-serif;
  line-height: 1.7;
  color: var(--dark);
  background: var(--light);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Navbar */
.navbar {
  background: var(--white);
  box-shadow: 0 2px 15px rgba(0,0,0,0.08);
  position: sticky;
  top: 0;
  z-index: 1000;
  padding: 0 20px;
}

.navbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 70px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--primary);
  text-decoration: none;
}

.logo-icon {
  width: 40px;
  height: 40px;
  background: var(--primary);
  color: var(--accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  font-weight: bold;
}

.nav-links {
  display: flex;
  gap: 5px;
  list-style: none;
}

.nav-links a {
  text-decoration: none;
  color: var(--dark);
  padding: 8px 16px;
  border-radius: 8px;
  font-weight: 500;
  transition: all 0.3s;
  font-size: 0.95rem;
}

.nav-links a:hover,
.nav-links a.active {
  background: var(--light);
  color: var(--primary);
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 5px;
}

.hamburger span {
  width: 28px;
  height: 3px;
  background: var(--primary);
  border-radius: 3px;
  transition: 0.3s;
}

/* Hero */
.hero {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);
  color: var(--white);
  padding: 100px 0 80px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(255,183,3,0.08) 0%, transparent 60%);
  animation: pulse 8s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.1); }
}

.hero-content { position: relative; z-index: 1; }

.hero h1 {
  font-size: 3rem;
  font-weight: 800;
  margin-bottom: 20px;
  line-height: 1.2;
}

.hero h1 span { color: var(--accent); }

.hero p {
  font-size: 1.2rem;
  max-width: 700px;
  margin: 0 auto 35px;
  opacity: 0.9;
}

.btn {
  display: inline-block;
  padding: 14px 36px;
  border-radius: 50px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s;
  cursor: pointer;
  border: none;
  font-size: 1rem;
}

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

.btn-primary:hover {
  background: var(--accent-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(255,183,3,0.3);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border: 2px solid var(--white);
  margin-left: 12px;
}

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

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

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

/* Stats */
.stats {
  padding: 60px 0;
  background: var(--white);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  text-align: center;
}

.stat-item h3 {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--primary);
}

.stat-item p {
  color: var(--gray);
  font-weight: 500;
  margin-top: 5px;
}

/* Sections */
.section { padding: 80px 0; }

.section-alt { background: var(--white); }

.section-title {
  text-align: center;
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary-dark);
  margin-bottom: 15px;
}

.section-subtitle {
  text-align: center;
  color: var(--gray);
  max-width: 600px;
  margin: 0 auto 50px;
  font-size: 1.1rem;
}

/* Cards */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
}

.card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 35px 30px;
  box-shadow: var(--shadow);
  transition: transform 0.3s;
  text-align: center;
}

.card:hover { transform: translateY(-5px); }

.card-icon {
  width: 70px;
  height: 70px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  font-size: 1.8rem;
}

.card-icon.green { background: #e8f5e9; color: var(--primary); }
.card-icon.yellow { background: #fff8e1; color: var(--accent-dark); }
.card-icon.blue { background: #e3f2fd; color: #1976d2; }
.card-icon.orange { background: #fff3e0; color: #f57c00; }

.card h3 { margin-bottom: 12px; color: var(--primary-dark); }
.card p { color: var(--gray); font-size: 0.95rem; }

/* Steps */
.steps { counter-reset: step; }

.step {
  display: flex;
  gap: 25px;
  align-items: flex-start;
  margin-bottom: 40px;
  padding: 25px;
  background: var(--light);
  border-radius: var(--radius);
  transition: transform 0.3s;
}

.step:hover { transform: translateX(5px); }

.step-number {
  width: 50px;
  height: 50px;
  min-width: 50px;
  background: var(--primary);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.3rem;
}

.step-content h3 {
  color: var(--primary-dark);
  margin-bottom: 8px;
}

.step-content p { color: var(--gray); }

/* Gallery */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}

.gallery-item {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 4/3;
  background: linear-gradient(135deg, var(--primary-light), var(--primary));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 3rem;
  cursor: pointer;
  transition: transform 0.3s;
}

.gallery-item:hover { transform: scale(1.03); }

.gallery-item .overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 20px;
  background: linear-gradient(transparent, rgba(0,0,0,0.7));
  color: var(--white);
  font-size: 0.9rem;
  font-weight: 500;
}

/* Contact */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
}

.contact-info h3 {
  color: var(--primary-dark);
  margin-bottom: 20px;
}

.contact-info p {
  color: var(--gray);
  margin-bottom: 25px;
}

.contact-detail {
  display: flex;
  gap: 15px;
  margin-bottom: 20px;
  align-items: flex-start;
}

.contact-detail .icon {
  width: 45px;
  height: 45px;
  min-width: 45px;
  border-radius: 50%;
  background: var(--light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 1.2rem;
}

.contact-detail h4 { font-size: 0.95rem; color: var(--dark); }
.contact-detail p { font-size: 0.9rem; color: var(--gray); margin: 0; }

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--dark);
  font-size: 0.9rem;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid #e9ecef;
  border-radius: 8px;
  font-size: 0.95rem;
  transition: border-color 0.3s;
  font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--primary);
}

.form-group textarea { resize: vertical; min-height: 120px; }

/* Page Header */
.page-header {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  color: var(--white);
  padding: 60px 0;
  text-align: center;
}

.page-header h1 { font-size: 2.5rem; margin-bottom: 10px; }
.page-header p { opacity: 0.9; font-size: 1.1rem; }

/* Footer */
.footer {
  background: var(--primary-dark);
  color: var(--white);
  padding: 50px 0 20px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer h3 {
  margin-bottom: 20px;
  font-size: 1.1rem;
}

.footer p { opacity: 0.8; font-size: 0.9rem; }

.footer-links { list-style: none; }

.footer-links li { margin-bottom: 10px; }

.footer-links a {
  color: rgba(255,255,255,0.8);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.3s;
}

.footer-links a:hover { color: var(--accent); }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 20px;
  text-align: center;
  font-size: 0.85rem;
  opacity: 0.7;
}

/* Alert / Notification */
.alert {
  padding: 16px 20px;
  border-radius: 8px;
  margin-bottom: 20px;
  font-weight: 500;
}

.alert-success {
  background: #d4edda;
  color: #155724;
  border: 1px solid #c3e6cb;
}

.alert-error {
  background: #f8d7da;
  color: #721c24;
  border: 1px solid #f5c6cb;
}

/* Mobile */
@media (max-width: 768px) {
  .hamburger { display: flex; }

  .nav-links {
    display: none;
    position: absolute;
    top: 70px;
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    padding: 20px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
  }

  .nav-links.open { display: flex; }

  .hero h1 { font-size: 2rem; }
  .hero p { font-size: 1rem; }

  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }

  .btn + .btn { margin-left: 0; margin-top: 12px; }
  .btn-outline { margin-left: 0; }
}