/* ===== GLOBAL STYLES ===== */
:root {
  --primary: #2c3e50;
  --secondary: #e74c3c;
  --accent: #3498db;
  --light: #ecf0f1;
  --dark: #2c3e50;
  --text: #333;
  --gray: #95a5a6;
}

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

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  color: var(--text);
  background-color: #f9f9f9;
}

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

/* ===== HEADER & NAVIGATION ===== */
header {
  background-color: var(--primary);
  padding: 15px 0;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

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

.logo img {
  height: 50px;
}

nav ul {
  display: flex;
  justify-content: center;
  list-style: none;
  flex-wrap: wrap;
}

nav ul li a {
  color: white;
  text-decoration: none;
  padding: 10px 20px;
  font-weight: 500;
  transition: all 0.3s;
  border-radius: 4px;
  margin: 5px;
}

nav ul li a:hover {
  background-color: var(--accent);
}

/* Hamburger Button */
.hamburger-menu {
  display: none;
  background: none;
  border: none;
  color: white;
  font-size: 2rem;
  cursor: pointer;
  padding: 10px;
  z-index: 101;
}

/* ===== MOBILE HEADER ===== */
@media (max-width: 768px) {
  .header-container {
    justify-content: space-between;
    padding: 0 20px;
  }

  .hamburger-menu {
    display: block;
    order: 1; /* hamburger kiri */
  }

  .logo {
    order: 2; /* logo kanan */
    flex-grow: 1;
    text-align: right;
  }

  .main-nav {
    position: absolute;
    top: 80px;
    left: 0;
    width: 70%;
    max-width: 280px;
    height: 100vh;
    background-color: var(--primary);
    flex-direction: column;
    align-items: flex-start;
    transform: translateX(-100%);
    transition: transform 0.3s ease-in-out;
    padding: 20px 0;
    box-shadow: 2px 0 10px rgba(0,0,0,0.2);
  }

  .main-nav ul {
    flex-direction: column;
    width: 100%;
    padding: 0;
  }

  .main-nav ul li {
    width: 100%;
  }

  .main-nav ul li a {
    display: block;
    padding: 15px 20px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    margin: 0;
  }

  .main-nav ul li:last-child a {
    border-bottom: none;
  }

  .main-nav.open {
    transform: translateX(0);
  }
}

/* ===== HERO SECTION ===== */
.hero {
  background: linear-gradient(rgba(0,0,0,0.7), rgba(0,0,0,0.7)), url('../images/bg1.png');
  background-size: cover;
  background-position: center;
  color: white;
  text-align: center;
  padding: 100px 20px;
  margin-bottom: 40px;
}

.hero h1 {
  font-size: 2.5rem;
  margin-bottom: 20px;
}

.hero p {
  font-size: 1.2rem;
  max-width: 800px;
  margin: 0 auto 30px;
}

.btn {
  display: inline-block;
  background-color: var(--secondary);
  color: white;
  padding: 12px 30px;
  border-radius: 5px;
  text-decoration: none;
  font-weight: bold;
  transition: all 0.3s;
  margin-top: 20px;
}

.btn:hover {
  background-color: #c0392b;
  transform: translateY(-3px);
  box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

/* ===== COMMON STYLES ===== */
.section-title {
  text-align: center;
  margin-bottom: 40px;
  color: var(--primary);
  position: relative;
  padding-bottom: 15px;
}

.section-title:after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 3px;
  background-color: var(--secondary);
}

.card {
  background: white;
  border-radius: 8px;
  box-shadow: 0 3px 10px rgba(0,0,0,0.1);
  margin-bottom: 30px;
  transition: transform 0.3s;
  overflow: hidden;
}

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

/* ===== FOOTER ===== */
footer {
  background-color: var(--dark);
  color: white;
  padding: 40px 0 20px;
  margin-top: 60px;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  margin-bottom: 30px;
}

.footer-section {
  flex: 1;
  min-width: 250px;
  margin-bottom: 20px;
  padding: 0 15px;
}

.footer-section h3 {
  margin-bottom: 20px;
  color: var(--accent);
}

.footer-section p, .footer-section a {
  color: var(--light);
  margin-bottom: 10px;
  display: block;
}

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

.copyright {
  text-align: center;
  padding-top: 20px;
  border-top: 1px solid rgba(255,255,255,0.1);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 2rem;
  }

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

  .footer-content {
    flex-direction: column;
  }

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

/* ===== PAGE SPECIFIC ===== */

/* Problem Grid */
.problem-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
  margin: 40px 0;
}

.card-image {
  width: 100%;
}

.card-image img {
  width: 100%;
  height: auto;       /* ikut tinggi asli */
  object-fit: contain;
  display: block;
}

/* Pricing Page Banner Images */
.banner-image {
  width: 100%;
}

.banner-image img {
  width: 100%;
  height: auto;       /* proporsional, ikut tinggi asli */
  object-fit: contain;
  display: block;
  transition: transform 0.5s ease;
}

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

/* Facilities */
.facility-item { margin-bottom: 30px; }
.facility-item h3 { color: var(--primary); margin-bottom: 10px; display: flex; align-items: center; }
.facility-item h3:before { content: '✓'; color: var(--secondary); margin-right: 10px; }

/* Benefits */
.benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 25px;
}

.benefit-card { text-align: center; padding: 30px 20px; }
.benefit-card i { font-size: 2.5rem; color: var(--accent); margin-bottom: 20px; }

/* Warehouse */
.warehouse-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
}

.area-card {
  padding: 20px;
  background-color: white;
  border-radius: 8px;
  box-shadow: 0 3px 10px rgba(0,0,0,0.1);
}

.area-card h3 { color: var(--secondary); margin-bottom: 10px; }

/* Process */
.process-steps { max-width: 800px; margin: 0 auto; }
.step { display: flex; margin-bottom: 30px; }
.step-number {
  background-color: var(--secondary);
  color: white;
  width: 40px; height: 40px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  margin-right: 20px; flex-shrink: 0;
}

/* Locations */
.location-tabs {
  display: flex;
  margin-bottom: 20px;
  flex-wrap: wrap;
  justify-content: center;
}
.tab-btn { padding: 10px 20px; background-color: var(--light); border: none; cursor: pointer; transition: all 0.3s; margin: 5px; }
.tab-btn.active { background-color: var(--accent); color: white; }
.tab-content { display: none; }
.tab-content.active { display: block; }

.city-list { columns: 3; column-gap: 30px; }
@media (max-width: 600px) { .city-list { columns: 2; } }
@media (max-width: 400px) { .city-list { columns: 1; } }

/* Pricing Table */
.pricing-table { width: 100%; border-collapse: collapse; margin: 30px 0; }
.pricing-table th, .pricing-table td { padding: 15px; text-align: left; border-bottom: 1px solid #ddd; }
.pricing-table th { background-color: var(--primary); color: white; }
.pricing-table tr:nth-child(even) { background-color: #f2f2f2; }

/* Testimonials */
.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}
.testimonial-card { background-color: white; padding: 25px; border-radius: 8px; box-shadow: 0 3px 10px rgba(0,0,0,0.1); }
.testimonial-text { font-style: italic; margin-bottom: 20px; }
.testimonial-author { font-weight: bold; color: var(--primary); }

/* Contact */
.contact-form { max-width: 600px; margin: 0 auto; }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; margin-bottom: 5px; font-weight: 500; }
.form-group input, .form-group textarea {
  width: 100%; padding: 10px; border: 1px solid #ddd; border-radius: 4px;
}
.form-group textarea { height: 150px; }

.submit-btn {
  background-color: var(--secondary);
  color: white; border: none;
  padding: 12px 30px; border-radius: 5px;
  cursor: pointer; font-weight: bold; transition: all 0.3s;
}
.submit-btn:hover { background-color: #c0392b; }

nav ul li a.active {
  background-color: var(--accent);
  color: white;
}