/**
 * AHLA Car Rental & Transport - Custom Stylesheet
 * Brand colors: Primary Blue #0750AD, Accent Red #EF2024, Dark Navy #082952
 * Clean, modern commercial car rental landing page design
 */

:root {
  --color-primary: #0750AD;
  --color-primary-hover: #06428f;
  --color-primary-light: #e8f0fa;
  --color-accent: #EF2024;
  --color-accent-hover: #d8161a;
  --color-accent-light: #fdedee;
  --color-navy: #082952;
  --color-navy-dark: #051b36;
  --color-white: #FFFFFF;
  --color-bg-light: #F5F7FA;
  --color-bg-subtle: #EDF2F7;
  --color-body-text: #263445;
  --color-text-muted: #5A6A80;
  --color-border: #D8E2EC;
  --color-success: #10B981;

  --nav-height: 76px;
  --font-family-base: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-pill: 50px;

  --shadow-sm: 0 2px 6px rgba(8, 41, 82, 0.05);
  --shadow-md: 0 6px 18px rgba(8, 41, 82, 0.08);
  --shadow-lg: 0 12px 30px rgba(8, 41, 82, 0.12);
  --shadow-hover: 0 16px 36px rgba(7, 80, 173, 0.14);

  --transition-fast: 0.18s ease;
  --transition-normal: 0.28s ease;
}

/* ==========================================================================
   Base & Typography
   ========================================================================== */
*, *::before, *::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-height) + 16px);
}

body {
  font-family: var(--font-family-base);
  color: var(--color-body-text);
  background-color: var(--color-white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  margin: 0;
  padding: 0;
}

/* Accessible visible focus states */
:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 2px;
}

/* Skip link for screen reader and keyboard accessibility */
.skip-link {
  position: absolute;
  top: -60px;
  left: 16px;
  background: var(--color-navy);
  color: var(--color-white);
  padding: 10px 18px;
  z-index: 10000;
  text-decoration: none;
  font-weight: 600;
  border-radius: var(--radius-sm);
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: 16px;
  color: var(--color-white);
}

/* Global utility classes */
.text-navy {
  color: var(--color-navy) !important;
}

.text-primary-brand {
  color: var(--color-primary) !important;
}

.text-accent-brand {
  color: var(--color-accent) !important;
}

.bg-light-surface {
  background-color: var(--color-bg-light) !important;
}

.bg-navy {
  background-color: var(--color-navy) !important;
  color: var(--color-white);
}

.section-padding {
  padding-top: 5rem;
  padding-bottom: 5rem;
}

@media (max-width: 768px) {
  .section-padding {
    padding-top: 3.5rem;
    padding-bottom: 3.5rem;
  }
}

.section-header {
  margin-bottom: 3rem;
}

.section-eyebrow {
  display: inline-block;
  font-size: 0.825rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--color-primary);
  background-color: var(--color-primary-light);
  padding: 5px 14px;
  border-radius: var(--radius-pill);
  margin-bottom: 0.75rem;
}

.section-title {
  font-size: 2.1rem;
  font-weight: 800;
  color: var(--color-navy);
  line-height: 1.25;
  margin-bottom: 0.75rem;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  max-width: 640px;
  margin: 0 auto;
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn-brand-primary {
  background-color: var(--color-primary);
  color: var(--color-white);
  font-weight: 600;
  border: 2px solid var(--color-primary);
  border-radius: var(--radius-md);
  padding: 0.7rem 1.4rem;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  transition: all var(--transition-fast);
  text-decoration: none;
}

.btn-brand-primary:hover,
.btn-brand-primary:focus {
  background-color: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
  color: var(--color-white);
  box-shadow: 0 4px 12px rgba(7, 80, 173, 0.25);
  transform: translateY(-1px);
}

.btn-brand-secondary {
  background-color: transparent;
  color: var(--color-navy);
  font-weight: 600;
  border: 2px solid var(--color-navy);
  border-radius: var(--radius-md);
  padding: 0.7rem 1.4rem;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  transition: all var(--transition-fast);
  text-decoration: none;
}

.btn-brand-secondary:hover,
.btn-brand-secondary:focus {
  background-color: var(--color-navy);
  color: var(--color-white);
  transform: translateY(-1px);
}

.btn-brand-whatsapp {
  background-color: #25D366;
  color: #FFFFFF;
  font-weight: 700;
  border: 2px solid #25D366;
  border-radius: var(--radius-md);
  padding: 0.7rem 1.4rem;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  transition: all var(--transition-fast);
  text-decoration: none;
}

.btn-brand-whatsapp:hover,
.btn-brand-whatsapp:focus {
  background-color: #1eb957;
  border-color: #1eb957;
  color: #FFFFFF;
  box-shadow: 0 4px 12px rgba(37, 211, 102, 0.3);
  transform: translateY(-1px);
}

.btn-brand-accent {
  background-color: var(--color-accent);
  color: var(--color-white);
  font-weight: 600;
  border: 2px solid var(--color-accent);
  border-radius: var(--radius-md);
  padding: 0.7rem 1.4rem;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  transition: all var(--transition-fast);
  text-decoration: none;
}

.btn-brand-accent:hover,
.btn-brand-accent:focus {
  background-color: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
  color: var(--color-white);
  box-shadow: 0 4px 12px rgba(239, 32, 36, 0.25);
  transform: translateY(-1px);
}

/* ==========================================================================
   Header & Sticky Navigation
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1030;
  background-color: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  box-shadow: var(--shadow-sm);
  transition: padding var(--transition-fast), box-shadow var(--transition-fast);
  border-bottom: 1px solid var(--color-border);
}

.navbar-brand img {
  height: 46px;
  width: auto;
  object-fit: contain;
  display: block;
}

.navbar-nav .nav-link {
  font-weight: 600;
  color: var(--color-navy);
  padding: 0.6rem 1rem;
  position: relative;
  transition: color var(--transition-fast);
  font-size: 0.95rem;
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link:focus,
.navbar-nav .nav-link.active {
  color: var(--color-primary);
}

.navbar-nav .nav-link::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 1rem;
  right: 1rem;
  height: 2px;
  background-color: var(--color-primary);
  transform: scaleX(0);
  transition: transform var(--transition-fast);
}

.navbar-nav .nav-link:hover::after,
.navbar-nav .nav-link.active::after {
  transform: scaleX(1);
}

.navbar-toggler {
  border: 1px solid var(--color-border);
  padding: 0.5rem 0.75rem;
  min-height: 44px;
  min-width: 44px;
}

.navbar-toggler:focus {
  box-shadow: 0 0 0 3px rgba(7, 80, 173, 0.25);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero-section {
  position: relative;
  padding: 4rem 0 4.5rem;
  background: linear-gradient(175deg, #FFFFFF 0%, var(--color-bg-light) 100%);
  border-bottom: 1px solid var(--color-border);
  overflow: hidden;
}

.hero-title {
  font-size: 2.6rem;
  font-weight: 900;
  color: var(--color-navy);
  line-height: 1.2;
  margin-bottom: 1.25rem;
  letter-spacing: -0.5px;
}

@media (max-width: 768px) {
  .hero-title {
    font-size: 2rem;
  }
}

.hero-subtitle {
  font-size: 1.125rem;
  color: var(--color-text-muted);
  line-height: 1.65;
  margin-bottom: 1.75rem;
  max-width: 540px;
}

.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.875rem;
  margin-bottom: 2rem;
}

.hero-highlights {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--color-border);
}

.highlight-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-navy);
}

.highlight-icon {
  width: 22px;
  height: 22px;
  color: var(--color-primary);
  flex-shrink: 0;
}

.hero-image-wrapper {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  background-color: var(--color-white);
  border: 1px solid rgba(8, 41, 82, 0.08);
}

.hero-image-wrapper img {
  width: 100%;
  height: auto;
  display: block;
  aspect-ratio: 1086 / 727;
  object-fit: cover;
}

.hero-image-caption {
  font-size: 0.785rem;
  color: var(--color-text-muted);
  text-align: center;
  margin-top: 0.5rem;
  font-style: italic;
}

/* ==========================================================================
   Vehicle Selection & Filter Section
   ========================================================================== */
.vehicle-filter-nav {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 2.5rem;
}

.btn-filter {
  background-color: var(--color-white);
  border: 1.5px solid var(--color-border);
  color: var(--color-navy);
  font-weight: 600;
  padding: 0.5rem 1.25rem;
  border-radius: var(--radius-pill);
  font-size: 0.925rem;
  min-height: 44px;
  transition: all var(--transition-fast);
  cursor: pointer;
}

.btn-filter:hover {
  background-color: var(--color-primary-light);
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.btn-filter.active {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-white);
  box-shadow: 0 4px 10px rgba(7, 80, 173, 0.2);
}

/* Vehicle Cards Grid */
.vehicle-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  height: 100%;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal);
}

.vehicle-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: #B9D2F3;
}

.vehicle-img-wrapper {
  position: relative;
  background-color: var(--color-bg-light);
  overflow: hidden;
  border-bottom: 1px solid var(--color-border);
  aspect-ratio: 600 / 380;
}

.vehicle-img-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform var(--transition-normal);
}

.vehicle-card:hover .vehicle-img-wrapper img {
  transform: scale(1.03);
}

.vehicle-badges {
  position: absolute;
  top: 12px;
  left: 12px;
  right: 12px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  pointer-events: none;
}

.badge-category {
  background-color: var(--color-primary);
  color: var(--color-white);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.15);
}

.badge-auto {
  background-color: var(--color-navy);
  color: var(--color-white);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  letter-spacing: 0.5px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.15);
}

.vehicle-card-body {
  padding: 1.25rem 1.25rem 1.5rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.vehicle-name {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--color-navy);
  margin-bottom: 0.5rem;
  line-height: 1.35;
}

.vehicle-features {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-bottom: 1.25rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--color-bg-subtle);
}

.vehicle-feature-item {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.vehicle-feature-item svg {
  width: 14px;
  height: 14px;
  color: var(--color-primary);
}

.vehicle-card-body .btn {
  margin-top: auto;
  width: 100%;
}

.vehicle-disclaimer-note {
  margin-top: 2rem;
  padding: 0.85rem 1.25rem;
  background-color: var(--color-primary-light);
  border-left: 4px solid var(--color-primary);
  border-radius: var(--radius-sm);
  color: var(--color-navy);
  font-size: 0.9rem;
  font-weight: 500;
  text-align: center;
}

/* ==========================================================================
   Cara Tempahan (3 Steps)
   ========================================================================== */
.step-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2rem 1.75rem;
  height: 100%;
  position: relative;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.step-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.step-number-badge {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background-color: var(--color-primary);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  font-weight: 800;
  margin-bottom: 1.25rem;
  box-shadow: 0 4px 10px rgba(7, 80, 173, 0.25);
}

.step-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: 0.75rem;
}

.step-description {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-bottom: 0;
}

/* ==========================================================================
   Quick WhatsApp Enquiry Form
   ========================================================================== */
.enquiry-card {
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-lg);
  padding: 2.5rem;
}

@media (max-width: 768px) {
  .enquiry-card {
    padding: 1.75rem 1.25rem;
  }
}

.form-label {
  font-weight: 600;
  font-size: 0.925rem;
  color: var(--color-navy);
  margin-bottom: 0.4rem;
}

.form-label .required-mark {
  color: var(--color-accent);
}

.form-control,
.form-select {
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 0.7rem 1rem;
  font-size: 0.95rem;
  color: var(--color-body-text);
  min-height: 44px;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-control:focus,
.form-select:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(7, 80, 173, 0.15);
  outline: none;
}

.form-control.is-invalid,
.form-select.is-invalid {
  border-color: var(--color-accent);
  background-image: none;
}

.invalid-feedback {
  font-size: 0.825rem;
  color: var(--color-accent);
  font-weight: 600;
  margin-top: 0.35rem;
}

.form-notice {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  background-color: var(--color-bg-light);
  border-radius: var(--radius-md);
  padding: 0.85rem 1rem;
  border: 1px solid var(--color-border);
  margin-top: 1rem;
}

/* ==========================================================================
   Service Area and Contact
   ========================================================================== */
.contact-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  height: 100%;
  box-shadow: var(--shadow-sm);
}

.contact-item {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.contact-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background-color: var(--color-primary-light);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-icon svg {
  width: 22px;
  height: 22px;
}

.contact-label {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 700;
  color: var(--color-text-muted);
  margin-bottom: 0.25rem;
}

.contact-value {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--color-navy);
  line-height: 1.45;
  margin-bottom: 0;
}

.contact-value a {
  color: var(--color-navy);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.contact-value a:hover,
.contact-value a:focus {
  color: var(--color-primary);
  text-decoration: underline;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  background-color: var(--color-navy);
  color: #C8D5E5;
  padding-top: 4rem;
  padding-bottom: 2rem;
  border-top: 3px solid var(--color-primary);
}

.footer-brand img {
  height: 52px;
  width: auto;
  margin-bottom: 1rem;
  background-color: #FFFFFF;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
}

.footer-desc {
  font-size: 0.925rem;
  line-height: 1.6;
  color: #A0B3CC;
  max-width: 320px;
}

.footer-heading {
  color: var(--color-white);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  margin-bottom: 1.25rem;
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links li {
  margin-bottom: 0.65rem;
}

.footer-links a {
  color: #C8D5E5;
  text-decoration: none;
  font-size: 0.925rem;
  transition: color var(--transition-fast), padding-left var(--transition-fast);
  display: inline-block;
}

.footer-links a:hover,
.footer-links a:focus {
  color: var(--color-white);
  padding-left: 4px;
}

.footer-bottom {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 0.85rem;
  color: #8C9EB5;
}

/* ==========================================================================
   Floating WhatsApp Button
   ========================================================================== */
.floating-whatsapp {
  position: fixed;
  bottom: calc(24px + env(safe-area-inset-bottom, 0px));
  right: calc(24px + env(safe-area-inset-right, 0px));
  z-index: 1040;
  background-color: #25D366;
  color: #FFFFFF;
  border-radius: var(--radius-pill);
  padding: 12px 20px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 0.95rem;
  text-decoration: none;
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.4);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), background-color var(--transition-fast);
  min-height: 48px;
}

.floating-whatsapp:hover,
.floating-whatsapp:focus {
  background-color: #1eb957;
  color: #FFFFFF;
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.55);
  transform: translateY(-2px) scale(1.02);
}

.floating-whatsapp svg {
  width: 24px;
  height: 24px;
  fill: currentColor;
  flex-shrink: 0;
}

@media (max-width: 576px) {
  .floating-whatsapp {
    bottom: calc(18px + env(safe-area-inset-bottom, 0px));
    right: calc(18px + env(safe-area-inset-right, 0px));
    padding: 12px 14px;
  }
  .floating-whatsapp-text {
    display: none;
  }
  .floating-whatsapp {
    border-radius: 50%;
    width: 54px;
    height: 54px;
    justify-content: center;
  }
}

/* ==========================================================================
   Accessibility & Reduced Motion
   ========================================================================== */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}