/**
 * ====================================================================
 * Modern Layout & Design System for Centro Revisioni Interauto Trieste
 * Vanilla CSS + Flexbox + CSS Grid + CSS Custom Properties (Tokens)
 * Fully backward-compatible with legacy layout & colors (#203E99)
 * ====================================================================
 */

:root {
  /* Brand Palette */
  --color-primary: #203e99;
  --color-primary-dark: #162c6d;
  --color-primary-light: #2d55cf;
  --color-primary-rgb: 32, 62, 153;
  --color-dark: #232323;
  --color-footer-bg: #1f1f1f;
  --color-surface: #ffffff;
  --color-bg-light: #f8f9fa;
  --color-bg-alt: #f1f5f9;
  --color-text-main: #333333;
  --color-text-muted: #555555;
  --color-text-light: #777777;
  --color-border: #e2e8f0;
  --color-border-subtle: #edf2f7;
  --color-accent: #a8ce50;
  --color-accent-hover: #96ba44;

  /* Typography & Layout */
  --font-family-base: "Open Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-family-heading: "Arimo", "Lato", sans-serif;
  --container-max-width: 1200px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 14px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 10px 28px rgba(0, 0, 0, 0.12);
  --transition-fast: 0.2s ease-in-out;
  --transition-normal: 0.3s ease-in-out;
}

/* --------------------------------------------------
   Accessibility: Skip Link & Focus Styles
   -------------------------------------------------- */
.skip-link {
  position: absolute;
  top: -100px;
  left: 20px;
  background: var(--color-primary);
  color: #ffffff !important;
  padding: 12px 20px;
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  z-index: 99999;
  font-weight: 700;
  text-decoration: none;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: 0;
  outline: 3px solid #ffcc00;
  outline-offset: 2px;
}

:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* --------------------------------------------------
   Header & Utility Topbar
   -------------------------------------------------- */
.site-header {
  width: 100%;
  background: var(--color-surface);
  position: relative;
  z-index: 1000;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.top-utility-bar {
  background: #ffffff;
  border-bottom: 1px solid var(--color-border-subtle);
  padding: 6px 0;
  font-size: 13px;
}

.top-utility-bar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}

.utility-contacts {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.utility-contacts a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--color-text-main);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.utility-contacts a:hover {
  color: var(--color-primary);
}

.utility-contacts i {
  color: var(--color-primary);
  font-size: 14px;
}

.utility-socials a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  color: var(--color-primary);
  background: rgba(var(--color-primary-rgb), 0.08);
  transition: all var(--transition-fast);
  text-decoration: none;
}

.utility-socials a:hover {
  background: var(--color-primary);
  color: #ffffff;
  transform: translateY(-2px);
}

/* Main Navigation Bar */
.main-header-bar {
  padding: 16px 0;
  background: #ffffff;
}

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

.site-brand {
  max-width: 320px;
  display: flex;
  align-items: center;
}

.site-brand img {
  width: 100%;
  max-width: 320px;
  height: auto;
  display: block;
}

/* Desktop Navigation */
.desktop-nav {
  display: flex;
  align-items: center;
}

.desktop-nav .nav-list {
  display: flex;
  align-items: center;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: 4px;
}

.desktop-nav .nav-item {
  position: relative;
}

.desktop-nav .nav-link {
  display: block;
  padding: 10px 14px;
  font-family: var(--font-family-heading);
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--color-dark);
  text-decoration: none;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  letter-spacing: 0.5px;
}

.desktop-nav .nav-link:hover,
.desktop-nav .nav-link.active {
  color: var(--color-primary);
  background: rgba(var(--color-primary-rgb), 0.05);
}

/* Submenu Dropdown */
.desktop-nav .nav-item:hover > .sub-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.desktop-nav .sub-menu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 220px;
  background: #ffffff;
  list-style: none;
  margin: 0;
  padding: 8px 0;
  box-shadow: var(--shadow-md);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--transition-fast);
  z-index: 100;
}

.desktop-nav .sub-menu a {
  display: block;
  padding: 8px 18px;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text-main);
  text-decoration: none;
  transition: all var(--transition-fast);
}

.desktop-nav .sub-menu a:hover {
  background: rgba(var(--color-primary-rgb), 0.06);
  color: var(--color-primary);
  padding-left: 22px;
}

/* Mobile Navigation Toggle & Offcanvas Drawer */
.mobile-toggle-btn {
  display: none;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  font-size: 20px;
  color: var(--color-primary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.mobile-toggle-btn:hover {
  background: var(--color-bg-light);
}

.mobile-nav-drawer {
  position: fixed;
  top: 0;
  right: -320px;
  width: 300px;
  height: 100vh;
  background: #ffffff;
  z-index: 9999;
  box-shadow: var(--shadow-lg);
  padding: 24px;
  overflow-y: auto;
  transition: right 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.mobile-nav-drawer.is-open {
  right: 0;
}

.drawer-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 12px;
}

.drawer-header strong {
  font-size: 16px;
  letter-spacing: 1px;
  color: var(--color-primary);
}

.drawer-close-btn {
  background: none;
  border: none;
  font-size: 20px;
  cursor: pointer;
  color: var(--color-text-muted);
  padding: 4px;
}

.mobile-nav-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.mobile-nav-list a {
  display: block;
  padding: 10px 12px;
  font-size: 15px;
  font-weight: 600;
  color: var(--color-dark);
  text-decoration: none;
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast);
}

.mobile-nav-list a:hover {
  background: var(--color-bg-light);
  color: var(--color-primary);
}

.mobile-nav-list .sub-menu {
  list-style: none;
  padding-left: 16px;
  margin: 4px 0 8px;
}

.mobile-nav-list .sub-menu a {
  font-size: 14px;
  font-weight: normal;
  color: var(--color-text-muted);
}

.drawer-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(2px);
  z-index: 9998;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.drawer-backdrop.is-visible {
  opacity: 1;
  visibility: visible;
}

/* --------------------------------------------------
   Page Banner & Breadcrumbs
   -------------------------------------------------- */
.page-banner-section {
  background: linear-gradient(135deg, #1c3584 0%, #203e99 100%);
  color: #ffffff;
  padding: 32px 0 28px;
  border-bottom: 3px solid var(--color-accent);
}

.page-banner-section h1 {
  color: #ffffff;
  font-size: 28px;
  font-weight: 700;
  margin: 0 0 10px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.page-banner-section .breadcrumb-nav {
  margin: 0;
  padding: 0;
}

.breadcrumb-list {
  display: flex;
  align-items: center;
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 13px;
  gap: 8px;
  color: rgba(255, 255, 255, 0.85);
}

.breadcrumb-list a {
  color: rgba(255, 255, 255, 0.9);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.breadcrumb-list a:hover {
  color: #ffffff;
  text-decoration: underline;
}

.breadcrumb-list li + li:before {
  content: "/";
  margin-right: 8px;
  color: rgba(255, 255, 255, 0.5);
}

/* --------------------------------------------------
   Content Grid & Layout Helpers
   -------------------------------------------------- */
.site-main {
  min-height: 60vh;
}

.content-wrapper {
  padding: 40px 0 60px;
}

.modern-two-col-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 36px;
  align-items: start;
}

.modern-sidebar-grid {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 32px;
  align-items: start;
}

.modern-card-grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
}

.modern-card-grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: 28px;
}

/* Modern Card Component */
.modern-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.modern-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.modern-card-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-primary);
  margin-top: 0;
  margin-bottom: 12px;
}

.modern-card-text {
  font-size: 14px;
  line-height: 1.65;
  color: var(--color-text-muted);
}

/* --------------------------------------------------
   Modern Table Component (for tariffe.php)
   -------------------------------------------------- */
.pricing-card-wrapper {
  max-width: 860px;
  margin: 0 auto;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  overflow: hidden;
}

.pricing-table-container {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

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

.modern-pricing-table thead th {
  background: var(--color-primary);
  color: #ffffff;
  font-size: 15px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 16px 22px;
  border: none;
}

.modern-pricing-table tbody td {
  padding: 18px 22px;
  border-bottom: 1px solid var(--color-border);
  font-size: 15px;
  color: var(--color-text-main);
  vertical-align: middle;
}

.modern-pricing-table tbody tr:last-child td {
  border-bottom: none;
}

.modern-pricing-table tbody tr:nth-child(even) {
  background-color: var(--color-bg-light);
}

.modern-pricing-table tbody tr:hover {
  background-color: rgba(var(--color-primary-rgb), 0.04);
}

.modern-pricing-table .service-name strong {
  display: block;
  font-size: 16px;
  color: var(--color-dark);
  margin-bottom: 4px;
}

.modern-pricing-table .service-desc {
  display: block;
  font-size: 13px;
  color: var(--color-text-muted);
  line-height: 1.4;
}

.modern-pricing-table .price-val {
  font-size: 20px;
  font-weight: 800;
  color: var(--color-primary);
  white-space: nowrap;
  text-align: right;
}

/* --------------------------------------------------
   Responsive Embed Containers (Zero CLS)
   -------------------------------------------------- */
.responsive-media-container {
  position: relative;
  width: 100%;
  overflow: hidden;
  border-radius: var(--radius-md);
  background: var(--color-bg-light);
}

.responsive-media-container.ratio-16x9 {
  aspect-ratio: 16 / 9;
}

.responsive-media-container.ratio-4x3 {
  aspect-ratio: 4 / 3;
}

.responsive-media-container iframe,
.responsive-media-container video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

/* --------------------------------------------------
   Modern Forms (Contact page)
   -------------------------------------------------- */
.modern-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-dark);
}

.form-control-modern {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-family: inherit;
  color: var(--color-text-main);
  background: #ffffff;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

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

.btn-brand {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--color-primary);
  color: #ffffff;
  font-family: var(--font-family-heading);
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 12px 24px;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
}

.btn-brand:hover {
  background: var(--color-primary-dark);
  color: #ffffff;
  box-shadow: var(--shadow-sm);
  transform: translateY(-1px);
}

/* --------------------------------------------------
   Modern Footer
   -------------------------------------------------- */
.site-footer {
  background: var(--color-footer-bg);
  color: #e2e8f0;
  padding-top: 48px;
  margin-top: 40px;
  border-top: 4px solid var(--color-primary);
}

.site-footer a {
  color: #cbd5e1;
  text-decoration: none;
  transition: color var(--transition-fast);
}

.site-footer a:hover {
  color: #ffffff;
  text-decoration: underline;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 36px;
  padding-bottom: 40px;
}

.footer-col h4 {
  font-size: 16px;
  font-weight: 700;
  color: #ffffff;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-top: 0;
  margin-bottom: 18px;
  position: relative;
  padding-bottom: 8px;
}

.footer-col h4:after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 32px;
  height: 2px;
  background: var(--color-accent);
}

.footer-col ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 14px;
}

.footer-col ul li {
  line-height: 1.5;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 20px 0;
  font-size: 13px;
  color: #94a3b8;
}

.footer-bottom .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

/* --------------------------------------------------
   Review & Testimonials Components
   -------------------------------------------------- */
.review-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 20px;
  padding: 28px;
  background: var(--color-surface);
  border-left: 4px solid var(--color-primary);
  border-radius: var(--radius-md);
  position: relative;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

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

.review-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}

.review-stars {
  color: #f59e0b;
  font-size: 16px;
  display: flex;
  gap: 4px;
}

.review-verified-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: #10b981;
  font-weight: 600;
  background: rgba(16, 185, 129, 0.08);
  padding: 4px 10px;
  border-radius: 20px;
}

.review-quote {
  margin: 0;
  position: relative;
  padding-left: 28px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--color-text-main);
  font-style: italic;
}

.review-quote-icon {
  position: absolute;
  left: 0;
  top: 2px;
  color: rgba(var(--color-primary-rgb), 0.25);
  font-size: 20px;
}

.review-author-footer {
  display: flex;
  align-items: center;
  gap: 14px;
  padding-top: 16px;
  border-top: 1px solid var(--color-border-subtle);
}

.review-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 16px;
  flex-shrink: 0;
  box-shadow: 0 2px 6px rgba(var(--color-primary-rgb), 0.3);
}

.review-author-name {
  display: block;
  font-size: 16px;
  font-weight: 700;
  color: var(--color-dark);
}

.review-author-role {
  font-size: 13px;
  color: var(--color-text-muted);
}

/* --------------------------------------------------
   Responsive Media Queries
   -------------------------------------------------- */
@media (max-width: 991px) {
  .desktop-nav {
    display: none;
  }
  .mobile-toggle-btn {
    display: block;
  }
  .modern-sidebar-grid {
    grid-template-columns: 1fr;
  }
  .modern-two-col-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 576px) {
  .top-utility-bar .container {
    justify-content: center;
    text-align: center;
  }
  .utility-contacts {
    justify-content: center;
    gap: 12px;
  }
  .pricing-table-container table thead th,
  .pricing-table-container table tbody td {
    padding: 12px 14px;
    font-size: 13px;
  }
  .modern-pricing-table .price-val {
    font-size: 16px;
  }
}