/* --- Enhanced Global Styles & Variables --- */
:root {
  --primary-color: #1a365d; /* Deep professional blue */
  --secondary-color: #25D366; /* WhatsApp green */
  --accent-color: #d4af37; /* Gold accent for premium feel */
  --dark-color: #2d3748;
  --light-color: #f8f9fa;
  --text-color: #4a5568;
  --container-width: 1200px;
  --border-radius: 8px;
  --box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
  --transition: all 0.3s ease;
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.7;
  background: #fff;
  color: var(--text-color);
  overflow-x: hidden;
}

a {
  text-decoration: none;
  color: var(--primary-color);
  transition: var(--transition);
}

h1, h2, h3, h4 {
  line-height: 1.3;
  margin-bottom: 1.2rem;
  color: var(--dark-color);
  font-weight: 700;
}

h1 {
  font-size: 2.8rem;
}

h2 {
  font-size: 2.2rem;
  position: relative;
  display: inline-block;
}

h2:after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 0;
  width: 60px;
  height: 4px;
  background: var(--accent-color);
  border-radius: 2px;
}

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

/* --- Utility Classes --- */
.container {
  max-width: var(--container-width);
  margin: auto;
  overflow: hidden;
  padding: 0 2rem;
}

.py-2 { padding: 2rem 0; }
.py-3 { padding: 3.5rem 0; }

.bg-light {
  background: var(--light-color);
  position: relative;
}

.bg-light:before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(255,255,255,0.9) 0%, rgba(248,249,250,0.9) 100%);
  z-index: -1;
}

.text-center { text-align: center; }

/* --- Header & Navigation --- */
header {
  background: rgba(255, 255, 255, 0.95);
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  padding: 1.2rem 0;
  position: sticky;
  top: 0;
  z-index: 1000;
  backdrop-filter: blur(10px);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.05);
}

header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

header .logo {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--primary-color);
  letter-spacing: -0.5px;
  display: flex;
  align-items: center;
}

header .logo:before {
  content: '';
  display: inline-block;
  width: 12px;
  height: 12px;
  background: var(--accent-color);
  border-radius: 50%;
  margin-right: 8px;
}

header nav ul {
  list-style: none;
  display: flex;
}

header nav ul li {
  margin-left: 2rem;
  position: relative;
}

header nav ul li a {
  font-weight: 600;
  color: var(--text-color);
  padding: 0.5rem 0;
  position: relative;
}

header nav ul li a:after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-color);
  transition: var(--transition);
}

header nav ul li a:hover,
header nav ul li a.active {
  color: var(--primary-color);
}

header nav ul li a:hover:after,
header nav ul li a.active:after {
  width: 100%;
}

/* --- Hero Section (Homepage) --- */
.hero {
  background: linear-gradient(135deg, rgba(26, 54, 93, 0.85) 0%, rgba(45, 55, 72, 0.9) 100%), url('https://images.unsplash.com/photo-1586023492125-27b2c045efd7?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=1758&q=80') no-repeat center center/cover;
  height: 85vh;
  color: #fff;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  text-align: left;
  padding: 0 2rem;
  position: relative;
  overflow: hidden;
}

.hero:before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 40%;
  height: 100%;
  background: url('https://images.unsplash.com/photo-1555041469-a586c61ea9bc?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=1770&q=80') no-repeat center center/cover;
  clip-path: polygon(20% 0, 100% 0, 100% 100%, 0% 100%);
}

.hero-content {
  max-width: 600px;
  position: relative;
  z-index: 2;
}

.hero h1 {
  font-size: 3.5rem;
  color: #fff;
  margin-bottom: 1.5rem;
  line-height: 1.2;
  font-weight: 800;
}

.hero p {
  font-size: 1.3rem;
  margin-bottom: 2.5rem;
  opacity: 0.9;
  font-weight: 400;
}

.hero-cta {
  display: flex;
  gap: 1rem;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 1rem 2rem;
  border: none;
  border-radius: var(--border-radius);
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: var(--transition);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.btn:before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: var(--transition);
}

.btn:hover:before {
  left: 100%;
}

.btn-primary {
  background: var(--primary-color);
  color: #fff;
  box-shadow: 0 4px 15px rgba(26, 54, 93, 0.3);
}

.btn-primary:hover {
  background: #152642;
  transform: translateY(-3px);
  box-shadow: 0 7px 20px rgba(26, 54, 93, 0.4);
}

.btn-secondary {
  background: transparent;
  color: #fff;
  border: 2px solid rgba(255, 255, 255, 0.7);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-3px);
}

.btn-whatsapp {
  background: var(--secondary-color);
  color: #fff;
  box-shadow: 0 4px 15px rgba(37, 211, 102, 0.3);
}

.btn-whatsapp:hover {
  background: #20b858;
  transform: translateY(-3px);
  box-shadow: 0 7px 20px rgba(37, 211, 102, 0.4);
}

/* --- Product/Service Grids --- */
.grid-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2.5rem;
}

.card {
  background: #fff;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
  position: relative;
}

.card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 30px rgba(0,0,0,0.15);
}

.card-img {
  width: 100%;
  height: 240px;
  object-fit: cover;
  transition: var(--transition);
}

.card:hover .card-img {
  transform: scale(1.05);
}

.card-content {
  padding: 1.8rem;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.card-content h3 {
  margin-bottom: 0.8rem;
  font-size: 1.4rem;
}

.card-content p {
  margin-bottom: 1.5rem;
  flex-grow: 1;
  color: var(--text-color);
  line-height: 1.6;
}

.card-badge {
  position: absolute;
  top: 15px;
  right: 15px;
  background: var(--accent-color);
  color: #fff;
  padding: 0.4rem 0.8rem;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
  z-index: 2;
}

/* --- Page Header --- */
.page-header {
  background: linear-gradient(135deg, var(--primary-color) 0%, #2d3748 100%);
  color: #fff;
  text-align: center;
  padding: 4rem 1rem;
  position: relative;
  overflow: hidden;
}

.page-header:before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url("data:image/svg+xml,%3Csvg width='100' height='100' viewBox='0 0 100 100' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M11 18c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm48 25c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm-43-7c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm63 31c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM34 90c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm56-76c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM12 86c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm28-65c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm23-11c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-6 60c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm29 22c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zM32 63c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm57-13c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-9-21c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM60 91c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM35 41c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM12 60c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2z' fill='%23ffffff' fill-opacity='0.03' fill-rule='evenodd'/%3E%3C/svg%3E");
  z-index: 1;
}

.page-header h1 {
  color: #fff;
  font-size: 3rem;
  position: relative;
  z-index: 2;
  margin-bottom: 0;
}

.page-header p {
  font-size: 1.2rem;
  opacity: 0.9;
  max-width: 700px;
  margin: 1rem auto 0;
  position: relative;
  z-index: 2;
}

/* --- About & Contact Section --- */
.content-section p {
  margin-bottom: 1.5rem;
  font-size: 1.1rem;
  line-height: 1.8;
}

.content-section ul {
  list-style-position: outside;
  margin-left: 1.5rem;
  margin-bottom: 1.5rem;
}

.content-section li {
  margin-bottom: 0.8rem;
  position: relative;
  padding-left: 1.5rem;
}

.content-section li:before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--accent-color);
  font-weight: bold;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.contact-card {
  background: #fff;
  padding: 2rem;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  text-align: center;
  transition: var(--transition);
}

.contact-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 25px rgba(0,0,0,0.1);
}

.contact-card h3 {
  color: var(--primary-color);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.contact-card p {
  margin-bottom: 0;
}

/* --- Footer --- */
footer {
  background: var(--dark-color);
  color: #fff;
  text-align: center;
  padding: 3rem 1rem;
  margin-top: 4rem;
}

footer p {
  margin-bottom: 0;
  opacity: 0.8;
}

/* --- Section Headers --- */
.section-header {
  text-align: center;
  margin-bottom: 3rem;
}

.section-header h2 {
  display: inline-block;
}

.section-header p {
  max-width: 700px;
  margin: 1rem auto 0;
  font-size: 1.1rem;
  color: var(--text-color);
}

/* --- Responsive (Mobile) --- */
@media(max-width: 768px) {
  .hero {
    height: 70vh;
    text-align: center;
    align-items: center;
  }
  
  .hero:before {
    display: none;
  }
  
  .hero h1 {
    font-size: 2.5rem;
  }
  
  .hero p {
    font-size: 1.1rem;
  }
  
  .hero-cta {
    flex-direction: column;
    width: 100%;
    max-width: 300px;
  }
  
  header .container {
    flex-direction: column;
  }
  
  header .logo {
    margin-bottom: 1rem;
  }
  
  header nav ul {
    padding: 0.5rem 0;
    flex-wrap: wrap;
    justify-content: center;
  }
  
  header nav ul li {
    margin: 0 0.8rem;
  }
  
  h1 {
    font-size: 2.2rem;
  }
  
  h2 {
    font-size: 1.8rem;
  }
  
  .page-header h1 {
    font-size: 2.2rem;
  }
  
  .grid-container {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

@media(max-width: 480px) {
  .container {
    padding: 0 1.5rem;
  }
  
  .hero h1 {
    font-size: 2rem;
  }
  
  .page-header {
    padding: 3rem 1rem;
  }
  
  .card-content {
    padding: 1.5rem;
  }
}

/* --- Map Container --- */
.map-container {
  position: relative;
  overflow: hidden;
  padding-top: 56.25%; /* 16:9 Aspect Ratio */
  margin-top: 3rem;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
}

.map-container iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 0;
}


/* --- [NEW] Filter Dropdown --- */
.filter-container {
  padding: 2rem 0;
  text-align: center;
  border-bottom: 1px solid #eee;
  margin-bottom: 3.5rem;
}

.filter-container label {
  font-weight: 600;
  margin-right: 1rem;
  font-size: 1.1rem;
  color: var(--dark-color);
}

.filter-container select {
  font-size: 1rem;
  padding: 0.8rem 1.2rem;
  border-radius: var(--border-radius);
  border: 2px solid #ddd;
  background: #fff;
  color: var(--text-color);
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.filter-container select:hover {
  border-color: var(--primary-color);
}

.filter-container select:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(26, 54, 93, 0.2);
}


/* --- [NEW] Utility --- */
.hidden {
  display: none;
}