/* ========================================
   Main CSS - Import all stylesheets
   Indonesian Integrated Coking Industry Base
   ======================================== */

@import url('variables.css');
@import url('reset.css');
@import url('typography.css');
@import url('layout.css');
@import url('components.css');
@import url('responsive.css');

/* ========================================
   Page-specific Styles
   ======================================== */

/* Default section spacing */
.section {
  padding: 60px 0;
}

.section-sm { padding: 40px 0; }
.section-lg { padding: 80px 0; }

/* Hero Section */
.hero {
  position: relative;
  height: 92vh;
  min-height: 500px;
  max-height: 800px;
  display: flex;
  align-items: center;
  overflow: hidden;
  margin-top: var(--header-height);
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 50%, var(--color-primary-light) 100%);
}

.hero-content {
  position: relative;
  z-index: 2;
  color: var(--color-white);
  max-width: 680px;
  padding: 40px 0;
}

.hero-title {
  font-size: 2.75rem;
  font-weight: 700;
  line-height: 1.35;
  margin-bottom: 16px;
  color: var(--color-white);
  letter-spacing: 0.01em;
}

.hero-subtitle {
  font-size: 1.125rem;
  line-height: 1.7;
  margin-bottom: 28px;
  color: rgba(255, 255, 255, 0.85);
}

.hero-buttons {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  gap: 40px;
  margin-top: 40px;
  padding-top: 28px;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
}

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

.stat-number {
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--color-secondary);
  line-height: 1.1;
  margin-bottom: 4px;
}

.stat-label {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.7);
}

/* Hero background image fallback */
.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.15;
  z-index: 1;
}

/* Page Hero (inner pages) */
.page-hero {
  padding: 12px 0 8px;
  margin-top: var(--header-height);
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 50%, var(--color-primary-light) 100%);
  color: white;
  text-align: center;
}

.page-hero h1 {
  font-size: 1.75rem;
  font-weight: 700;
  color: white;
  margin-bottom: 6px;
}

.page-hero p {
  font-size: 0.9375rem;
  color: rgba(255,255,255,0.85);
  max-width: 600px;
  margin: 0 auto;
}

/* Section Headers */
.section-header {
  text-align: center;
  margin-bottom: 40px;
}

.section-tag {
  display: inline-block;
  padding: 4px 14px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--color-primary);
  background-color: rgba(26, 58, 95, 0.08);
  border-radius: 20px;
  margin-bottom: 12px;
}

.section-title {
  font-size: 1.875rem;
  font-weight: 700;
  color: var(--color-charcoal);
  margin-bottom: 12px;
}

.section-description {
  font-size: 1.0625rem;
  color: var(--color-steel-500);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.7;
}

/* Feature Cards */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-card {
  text-align: center;
  padding: 36px 28px;
  background: var(--color-white);
  border: 1px solid var(--color-steel-200);
  border-radius: 12px;
  transition: all 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary-light);
}

.feature-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(26, 58, 95, 0.08);
  border-radius: 50%;
  color: var(--color-primary);
}

.feature-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--color-steel-700);
}

.feature-text {
  font-size: 0.9375rem;
  color: var(--color-steel-500);
  line-height: 1.7;
}

/* Products Section */
.products-preview {
  background-color: var(--color-off-white);
}

.product-tabs {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 32px;
  flex-wrap: wrap;
}

.product-tab {
  padding: 8px 20px;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-steel-600);
  background: var(--color-white);
  border: 1px solid var(--color-steel-200);
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s;
}

.product-tab:hover,
.product-tab.active {
  color: var(--color-white);
  background: var(--color-primary);
  border-color: var(--color-primary);
}

.product-panel { display: none; }
.product-panel.active { display: block; }

/* Manufacturing Highlight */
.manufacturing-highlight {
  padding: 60px 0;
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
  color: white;
}

.highlight-number {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-secondary);
  line-height: 1.1;
}

/* CTA Section */
.cta-section {
  padding: 60px 0;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  text-align: center;
  color: white;
}

.cta-title {
  font-size: 1.75rem;
  font-weight: 700;
  color: white;
  margin-bottom: 12px;
}

.cta-text {
  font-size: 1.0625rem;
  color: rgba(255,255,255,0.85);
  margin-bottom: 28px;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

/* Card images fallback */
.card-img-placeholder {
  height: 200px;
  background: linear-gradient(135deg, var(--color-steel-200), var(--color-steel-300));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-steel-500);
  font-size: 0.875rem;
}

/* Timeline (About page) */
.timeline {
  position: relative;
  padding: 20px 0;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: 2px;
  height: 100%;
  background: var(--color-steel-200);
}

.timeline-item {
  position: relative;
  margin-bottom: 28px;
  padding: 20px 0;
}

.timeline-content {
  width: 45%;
  padding: 20px;
  background: var(--color-white);
  border: 1px solid var(--color-steel-200);
  border-radius: 10px;
  box-shadow: var(--shadow-sm);
}

.timeline-item:nth-child(odd) .timeline-content { margin-right: auto; }
.timeline-item:nth-child(even) .timeline-content { margin-left: auto; }

/* Product Details */
.product-specs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-top: 16px;
}

.spec-item {
  display: flex;
  justify-content: space-between;
  padding: 8px 14px;
  background: var(--color-steel-100);
  border-radius: 6px;
  font-size: 0.9375rem;
}

.spec-label { color: var(--color-steel-600); }
.spec-value { font-weight: 600; color: var(--color-steel-800); }

/* Contact Form */
.contact-form-wrap {
  padding: 32px;
  background: var(--color-white);
  border: 1px solid var(--color-steel-200);
  border-radius: 12px;
  box-shadow: var(--shadow-sm);
}

.contact-info-card {
  padding: 32px;
  background: var(--color-white);
  border: 1px solid var(--color-steel-200);
  border-radius: 12px;
  height: 100%;
}

/* Map placeholder */
.map-placeholder {
  width: 100%;
  height: 360px;
  background: var(--color-steel-100);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-steel-500);
  font-size: 1rem;
}

/* Image utilities */
.img-placeholder {
  width: 100%;
  height: 300px;
  background: linear-gradient(135deg, #e8edf2, #d0d8e0);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-steel-400);
  font-size: 0.875rem;
  overflow: hidden;
}

.img-placeholder::before {
  content: attr(data-label);
}

/* Product detail images */
.product-detail-img-wrap {
  width: 100%;
  height: 380px;
  border-radius: 12px;
  overflow: hidden;
  background: linear-gradient(135deg, #e8edf2, #d0d8e0);
  display: flex;
  align-items: center;
  justify-content: center;
}

/* News card */
.news-card {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.news-date {
  font-size: 0.8125rem;
  color: var(--color-steel-400);
  margin-bottom: 4px;
}

.news-category {
  display: inline-block;
  padding: 2px 10px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-primary);
  background: rgba(26, 58, 95, 0.08);
  border-radius: 4px;
  margin-bottom: 8px;
}

/* Breakcrumb */
.breadcrumb-light a { color: rgba(255,255,255,0.7); }
.breadcrumb-light a:hover { color: white; }
.breadcrumb-light .separator { color: rgba(255,255,255,0.4); margin: 0 8px; }

/* Responsive */
@media (max-width: 992px) {
  .features-grid { grid-template-columns: 1fr 1fr; }
  .hero-title { font-size: 2rem; }
  .hero { height: auto; min-height: 440px; }
  .hero-stats { gap: 24px; }
  .stat-number { font-size: 1.75rem; }
  .timeline::before { left: 20px; }
  .timeline-content { width: calc(100% - 60px); margin-left: 60px !important; margin-right: 0 !important; }
  .product-specs { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .features-grid { grid-template-columns: 1fr; }
  .hero-title { font-size: 1.75rem; }
  .hero-subtitle { font-size: 1rem; }
  .hero-stats { flex-direction: column; gap: 16px; }
  .section-title { font-size: 1.5rem; }
  .page-hero { padding: 8px 0 5px; }
  .page-hero h1 { font-size: 1.5rem; }
  .cta-title { font-size: 1.5rem; }
  .stat-number { font-size: 1.5rem; }
}

@media (max-width: 576px) {
  .hero { min-height: 400px; }
  .hero-title { font-size: 1.5rem; }
  .hero-buttons { flex-direction: column; }
  .hero-buttons .btn { width: 100%; }
}