/* ==========================================================================
   CHENGLONG EV INDONESIA (PT OSCARMAS) - MASTER DESIGN SYSTEM & STYLESHEET
   Inspired by Foton Indomobil Aesthetic (Dark Futuristic Commercial EV)
   ========================================================================== */

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

:root {
  /* Brand Colors */
  --bg-primary: #0A0F1D;
  --bg-secondary: #111827;
  --bg-card: rgba(17, 24, 39, 0.75);
  --bg-card-hover: rgba(31, 41, 55, 0.85);
  --bg-input: #1F2937;
  
  /* Primary EV Accents */
  --accent-cyan: #00E699;
  --accent-cyan-glow: rgba(0, 230, 153, 0.35);
  --accent-emerald: #05B876;
  --accent-blue: #0A84FF;
  
  /* Neutral Typography */
  --text-main: #F9FAFB;
  --text-muted: #9CA3AF;
  --text-dim: #6B7280;
  
  /* UI Borders & Shadows */
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-active: rgba(0, 230, 153, 0.5);
  --glass-border: rgba(255, 255, 255, 0.12);
  --shadow-glow: 0 0 25px rgba(0, 230, 153, 0.25);
  --shadow-card: 0 20px 40px rgba(0, 0, 0, 0.4);
  
  /* Layout Constants */
  --nav-height: 84px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 24px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset & Basic Box Model */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6, .font-heading {
  font-family: 'Outfit', sans-serif;
  letter-spacing: -0.02em;
}

a {
  color: inherit;
  text-decoration: none;
}

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

/* Container */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Utility Classes */
.text-cyan { color: var(--accent-cyan); }
.text-muted { color: var(--text-muted); }
.bg-glass {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
}

.badge-ev {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: rgba(0, 230, 153, 0.12);
  border: 1px solid var(--border-active);
  color: var(--accent-cyan);
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 28px;
  font-family: 'Outfit', sans-serif;
  font-weight: 600;
  font-size: 1rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
  border: 1px solid transparent;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-cyan) 0%, var(--accent-emerald) 100%);
  color: #04130E;
  box-shadow: 0 4px 20px var(--accent-cyan-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0, 230, 153, 0.5);
  background: linear-gradient(135deg, #1AF5AA 0%, #06D488 100%);
}

.btn-outline {
  background: rgba(255, 255, 255, 0.04);
  border-color: var(--glass-border);
  color: var(--text-main);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
}

/* Header & Navigation Bar */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--nav-height);
  z-index: 1000;
  transition: var(--transition);
}

.site-header.scrolled {
  background: rgba(10, 15, 29, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-subtle);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.header-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.brand-logo-group {
  display: flex;
  align-items: center;
  gap: 16px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: 'Outfit', sans-serif;
  font-weight: 800;
  font-size: 1.5rem;
  color: #FFF;
}

.brand-logo i {
  color: var(--accent-cyan);
  font-size: 1.8rem;
}

.brand-divider {
  width: 1px;
  height: 24px;
  background: var(--border-subtle);
}

.distributor-tag {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.distributor-tag span:first-child {
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.distributor-tag span:last-child {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-main);
}

/* Nav Menu */
.nav-menu {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-link {
  font-family: 'Outfit', sans-serif;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 0;
  position: relative;
}

.nav-link:hover, .nav-link.active {
  color: var(--accent-cyan);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-cyan);
  transition: var(--transition);
  border-radius: 2px;
}

.nav-link:hover::after, .nav-link.active::after {
  width: 100%;
}

/* Dropdown Menu */
.dropdown-menu {
  position: relative;
}

.dropdown-content {
  position: absolute;
  top: 100%;
  left: -20px;
  width: 320px;
  background: rgba(17, 24, 39, 0.96);
  backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 16px;
  box-shadow: var(--shadow-card);
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: var(--transition);
}

.dropdown-menu:hover .dropdown-content {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.dropdown-item:hover {
  background: rgba(0, 230, 153, 0.08);
  border-left: 3px solid var(--accent-cyan);
}

.dropdown-item i {
  font-size: 1.3rem;
  color: var(--accent-cyan);
}

.dropdown-item-title {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-main);
}

.dropdown-item-desc {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-main);
  font-size: 1.5rem;
  cursor: pointer;
}

/* Hero Section */
.hero-section {
  position: relative;
  min-height: 100vh;
  padding-top: calc(var(--nav-height) + 40px);
  padding-bottom: 80px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: radial-gradient(circle at 70% 30%, rgba(0, 230, 153, 0.15) 0%, transparent 60%);
}

.hero-bg-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  background: linear-gradient(180deg, rgba(10, 15, 29, 0.4) 0%, rgba(10, 15, 29, 0.95) 100%);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
  position: relative;
  z-index: 2;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.15;
  margin: 20px 0;
}

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--text-muted);
  margin-bottom: 32px;
  max-width: 540px;
}

.hero-cta-group {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  padding-top: 32px;
  border-top: 1px solid var(--border-subtle);
}

.stat-item-number {
  font-family: 'Outfit', sans-serif;
  font-size: 2rem;
  font-weight: 800;
  color: var(--accent-cyan);
}

.stat-item-label {
  font-size: 0.82rem;
  color: var(--text-muted);
  text-transform: uppercase;
}

.hero-image-wrapper {
  position: relative;
  text-align: center;
}

.hero-truck-img {
  width: 100%;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card), var(--shadow-glow);
  border: 1px solid var(--glass-border);
  transition: var(--transition);
}

.hero-truck-img:hover {
  transform: scale(1.02);
}

.floating-badge {
  position: absolute;
  padding: 14px 20px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  animation: floatAnim 4s ease-in-out infinite alternate;
}

.badge-top-right {
  top: 20px;
  right: -10px;
}

.badge-bottom-left {
  bottom: 20px;
  left: -10px;
  animation-delay: -2s;
}

@keyframes floatAnim {
  0% { transform: translateY(0); }
  100% { transform: translateY(-12px); }
}

/* Section Header */
.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 60px auto;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 800;
  margin-top: 12px;
  margin-bottom: 16px;
}

.section-desc {
  font-size: 1.1rem;
  color: var(--text-muted);
}

/* Products Section */
.products-section {
  padding: 100px 0;
  background: var(--bg-secondary);
}

.filter-tabs {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.tab-btn {
  padding: 10px 24px;
  border-radius: 50px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  font-family: 'Outfit', sans-serif;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: var(--transition);
}

.tab-btn.active, .tab-btn:hover {
  background: var(--accent-cyan);
  color: #04130E;
  border-color: var(--accent-cyan);
  box-shadow: 0 4px 15px var(--accent-cyan-glow);
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 32px;
}

.product-card {
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.product-card:hover {
  transform: translateY(-8px);
  border-color: var(--accent-cyan);
  box-shadow: var(--shadow-card), 0 0 25px rgba(0, 230, 153, 0.15);
}

.card-img-holder {
  position: relative;
  height: 230px;
  overflow: hidden;
  background: #0D1424;
}

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

.product-card:hover .card-img-holder img {
  transform: scale(1.06);
}

.card-tag {
  position: absolute;
  top: 16px;
  left: 16px;
  padding: 4px 12px;
  border-radius: 4px;
  background: rgba(10, 15, 29, 0.85);
  backdrop-filter: blur(8px);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent-cyan);
  border: 1px solid var(--border-active);
  text-transform: uppercase;
}

.card-content {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.card-model-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.card-subtitle {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.card-specs-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  padding: 16px;
  background: rgba(255, 255, 255, 0.03);
  border-radius: var(--radius-sm);
  margin-bottom: 24px;
}

.spec-box {
  display: flex;
  flex-direction: column;
}

.spec-label {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.spec-val {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--accent-cyan);
}

.card-actions {
  display: flex;
  gap: 12px;
  margin-top: auto;
}

.card-actions .btn {
  flex: 1;
  padding: 10px;
  font-size: 0.88rem;
}

/* TCO Calculator Section */
.tco-section {
  padding: 100px 0;
  position: relative;
  background: radial-gradient(circle at 20% 50%, rgba(0, 230, 153, 0.1) 0%, transparent 50%);
}

.tco-box {
  padding: 48px;
  border-radius: var(--radius-lg);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}

.calc-control-group {
  margin-bottom: 28px;
}

.calc-label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 600;
  margin-bottom: 12px;
}

.calc-slider {
  width: 100%;
  height: 8px;
  border-radius: 4px;
  background: var(--bg-input);
  outline: none;
  accent-color: var(--accent-cyan);
  cursor: pointer;
}

.tco-results-card {
  padding: 32px;
  border-radius: var(--radius-md);
  background: rgba(0, 230, 153, 0.05);
  border: 1px solid var(--border-active);
  text-align: center;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.savings-amount {
  font-family: 'Outfit', sans-serif;
  font-size: 3rem;
  font-weight: 900;
  color: var(--accent-cyan);
  margin: 12px 0;
  text-shadow: 0 0 20px var(--accent-cyan-glow);
}

.savings-breakdown {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--border-subtle);
}

/* Tech & Battery Swapping */
.tech-section {
  padding: 100px 0;
  background: var(--bg-secondary);
}

.tech-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.tech-card {
  padding: 32px;
  border-radius: var(--radius-md);
  transition: var(--transition);
}

.tech-card:hover {
  transform: translateY(-6px);
  border-color: var(--accent-cyan);
}

.tech-icon {
  width: 60px;
  height: 60px;
  border-radius: 12px;
  background: rgba(0, 230, 153, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  color: var(--accent-cyan);
  margin-bottom: 24px;
}

.tech-title {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 12px;
}

/* Distributor Assurance */
.assurance-section {
  padding: 100px 0;
}

.assurance-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.assurance-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-top: 32px;
}

.assurance-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.assurance-item i {
  font-size: 1.4rem;
  color: var(--accent-cyan);
  background: rgba(0, 230, 153, 0.12);
  padding: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}

/* Dealer Locator */
.dealer-section {
  padding: 100px 0;
  background: var(--bg-secondary);
}

.dealer-search-box {
  max-width: 500px;
  margin: 0 auto 40px auto;
  display: flex;
  gap: 12px;
}

.dealer-search-input {
  flex: 1;
  padding: 14px 20px;
  border-radius: var(--radius-sm);
  background: var(--bg-input);
  border: 1px solid var(--border-subtle);
  color: var(--text-main);
  font-size: 1rem;
}

.dealer-search-input:focus {
  outline: none;
  border-color: var(--accent-cyan);
}

.dealer-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}

.dealer-card {
  padding: 24px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
}

.dealer-card-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 8px;
}

.dealer-city {
  font-size: 0.85rem;
  color: var(--accent-cyan);
  margin-bottom: 16px;
  font-weight: 600;
}

.dealer-info-line {
  display: flex;
  gap: 10px;
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 8px;
}

/* Modal Styling */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(12px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  padding: 20px;
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal-body {
  width: 100%;
  max-width: 600px;
  border-radius: var(--radius-lg);
  padding: 40px;
  position: relative;
  max-height: 90vh;
  overflow-y: auto;
}

.modal-close-btn {
  position: absolute;
  top: 20px;
  right: 20px;
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.5rem;
  cursor: pointer;
  transition: var(--transition);
}

.modal-close-btn:hover {
  color: var(--accent-cyan);
}

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

.form-label {
  display: block;
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 8px;
}

.form-control {
  width: 100%;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  background: var(--bg-input);
  border: 1px solid var(--border-subtle);
  color: var(--text-main);
  font-family: inherit;
  font-size: 0.95rem;
}

.form-control:focus {
  outline: none;
  border-color: var(--accent-cyan);
}

/* Floating WhatsApp Button */
.float-wa {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 60px;
  height: 60px;
  background: #25D366;
  color: #FFF;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
  z-index: 999;
  transition: var(--transition);
}

.float-wa:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 30px rgba(37, 211, 102, 0.6);
}

/* Footer */
.site-footer {
  background: #060913;
  padding: 80px 0 30px 0;
  border-top: 1px solid var(--border-subtle);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 48px;
  margin-bottom: 60px;
}

.footer-col-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 24px;
  color: var(--text-main);
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links a {
  color: var(--text-muted);
  font-size: 0.9rem;
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--accent-cyan);
  padding-left: 4px;
}

.footer-bottom {
  padding-top: 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Vehicle Specs Table */
.specs-table-wrapper {
  overflow-x: auto;
  margin: 30px 0;
}

.specs-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.specs-table th, .specs-table td {
  padding: 14px 20px;
  border-bottom: 1px solid var(--border-subtle);
}

.specs-table th {
  background: rgba(255, 255, 255, 0.03);
  color: var(--accent-cyan);
  font-weight: 700;
}

/* Responsive Media Queries */
@media (max-width: 1024px) {
  .hero-grid, .tco-box, .assurance-grid {
    grid-template-columns: 1fr;
  }

  .hero-title {
    font-size: 2.8rem;
  }

  .tech-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .mobile-toggle {
    display: block;
  }

  .nav-menu {
    position: fixed;
    top: var(--nav-height);
    left: -100%;
    width: 100%;
    height: calc(100vh - var(--nav-height));
    background: rgba(10, 15, 29, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    align-items: flex-start;
    padding: 32px;
    gap: 20px;
    transition: var(--transition);
  }

  .nav-menu.active {
    left: 0;
  }

  .tech-grid, .footer-grid {
    grid-template-columns: 1fr;
  }

  .hero-stats {
    grid-template-columns: 1fr;
  }

  .hero-title {
    font-size: 2.2rem;
  }
}