/* ==========================================================================
   AC Service Malta - Main Stylesheet
   Theme: Modern Cooling (Arctic Aqua, Deep Navy, Clean White)
   Mobile-First Architecture & Core Web Vitals Optimized
   ========================================================================== */

:root {
  /* Color Palette */
  --primary: #0284C7;
  --primary-dark: #0369A1;
  --primary-light: #E0F2FE;
  --primary-hover: #075985;
  --navy: #0F172A;
  --navy-light: #1E293B;
  --navy-muted: #334155;
  --slate: #64748B;
  --slate-light: #F1F5F9;
  --slate-border: #CBD5E1;
  --white: #FFFFFF;
  --off-white: #F8FAFC;
  --ice-blue: #F0F9FF;
  
  /* Accents */
  --whatsapp: #25D366;
  --whatsapp-hover: #128C7E;
  --accent-amber: #D97706;
  --accent-amber-bg: #FEF3C7;
  --accent-red: #DC2626;
  --accent-red-bg: #FEE2E2;
  --success: #16A34A;
  --success-bg: #DCFCE7;

  /* Typography */
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;

  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4.5rem;

  /* Layout */
  --container-max: 1200px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 9999px;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);

  /* Transitions */
  --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset & Box Sizing */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--navy-light);
  background-color: var(--off-white);
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  padding-bottom: 70px; /* Space for mobile sticky CTA bar */
}

@media (min-width: 768px) {
  body {
    padding-bottom: 0;
  }
}

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

a {
  color: var(--primary);
  text-decoration: none;
  transition: var(--transition);
}

a:hover {
  color: var(--primary-dark);
}

ul, ol {
  list-style-position: inside;
}

h1, h2, h3, h4, h5, h6 {
  color: var(--navy);
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: 0.75rem;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(1.85rem, 5vw, 2.75rem); }
h2 { font-size: clamp(1.5rem, 3.5vw, 2.15rem); margin-top: 1.5rem; }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.5rem); margin-top: 1.25rem; }
h4 { font-size: 1.15rem; }

p {
  margin-bottom: 1rem;
  color: var(--navy-muted);
}

strong {
  color: var(--navy);
  font-weight: 600;
}

/* Container */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--spacing-md);
  padding-right: var(--spacing-md);
}

@media (min-width: 640px) {
  .container {
    padding-left: var(--spacing-lg);
    padding-right: var(--spacing-lg);
  }
}

/* Header & Top Alert Bar */
.top-notice-bar {
  background-color: var(--navy);
  color: var(--slate-light);
  font-size: 0.8125rem;
  padding: 6px var(--spacing-md);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.top-notice-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.top-notice-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: #38BDF8;
  font-weight: 500;
}

.top-notice-badge::before {
  content: "";
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--whatsapp);
  box-shadow: 0 0 0 2px rgba(37, 211, 102, 0.3);
}

.top-notice-contacts {
  display: flex;
  align-items: center;
  gap: 16px;
}

.top-notice-contacts a {
  color: var(--slate-light);
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.top-notice-contacts a:hover {
  color: var(--primary-light);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--slate-border);
  box-shadow: var(--shadow-sm);
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 0.85rem;
  padding-bottom: 0.85rem;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.logo-icon {
  width: 42px;
  height: 42px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  box-shadow: 0 4px 10px rgba(2, 132, 199, 0.3);
}

.logo-text {
  display: flex;
  flex-direction: column;
}

.logo-title {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--navy);
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.logo-title span {
  color: var(--primary);
}

.logo-tagline {
  font-size: 0.72rem;
  color: var(--slate);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Nav Menu */
.nav-menu {
  display: none;
}

@media (min-width: 960px) {
  .nav-menu {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    list-style: none;
  }

  .nav-link {
    color: var(--navy-light);
    font-weight: 600;
    font-size: 0.9375rem;
    padding: 0.5rem 0.25rem;
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 4px;
  }

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

  .nav-link.active::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background-color: var(--primary);
    border-radius: 2px;
  }

  /* Dropdown Menu (Desktop) */
  .nav-item-dropdown {
    position: relative;
  }

  .nav-dropdown-menu {
    position: absolute;
    top: calc(100% + 10px);
    left: -180px;
    width: 780px;
    background: var(--white);
    border: 1px solid var(--slate-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    padding: 1.5rem;
    display: none;
    grid-template-columns: 1fr 1fr 1.1fr;
    gap: 1.5rem;
    z-index: 1000;
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 0.25s ease, transform 0.25s ease;
  }

  .nav-dropdown-menu::before {
    content: "";
    position: absolute;
    top: -10px;
    left: 0;
    right: 0;
    height: 10px;
    background: transparent;
  }

  .nav-item-dropdown:hover .nav-dropdown-menu {
    display: grid;
    opacity: 1;
    transform: translateY(0);
  }

  .dropdown-col h5 {
    font-size: 0.8125rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--primary);
    margin-bottom: 0.75rem;
    padding-bottom: 0.35rem;
    border-bottom: 1px solid var(--slate-border);
  }

  .dropdown-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 6px;
  }

  .dropdown-link {
    font-size: 0.85rem;
    color: var(--navy);
    font-weight: 500;
    padding: 3px 0;
    display: block;
    transition: var(--transition);
  }

  .dropdown-link:hover {
    color: var(--primary);
    transform: translateX(3px);
  }
}

/* Mobile Drawer Dropdown */
.drawer-dropdown-btn {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: none;
  border: none;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--navy);
  padding: 0.5rem 0;
  cursor: pointer;
  text-align: left;
}

.drawer-dropdown-content {
  display: none;
  padding-left: 1rem;
  margin-top: 0.25rem;
  margin-bottom: 0.75rem;
  border-left: 2px solid var(--primary-light);
}

.drawer-dropdown-content.open {
  display: block;
}

.drawer-dropdown-content a {
  display: block;
  font-size: 0.875rem;
  color: var(--navy-muted);
  padding: 4px 0;
  font-weight: 500;
}

.drawer-dropdown-content a:hover {
  color: var(--primary);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

@media (max-width: 540px) {
  .header-actions .btn-whatsapp {
    display: none;
  }
}

.mobile-menu-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid var(--slate-border);
  border-radius: var(--radius-sm);
  padding: 8px;
  cursor: pointer;
  color: var(--navy);
}

@media (min-width: 960px) {
  .mobile-menu-btn {
    display: none;
  }
}

/* Mobile Drawer */
.mobile-drawer {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background-color: rgba(15, 23, 42, 0.6);
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.mobile-drawer.open {
  opacity: 1;
  visibility: visible;
}

.drawer-content {
  width: 85%;
  max-width: 320px;
  height: 100%;
  background-color: var(--white);
  padding: var(--spacing-lg);
  display: flex;
  flex-direction: column;
  transform: translateX(-100%);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  overflow-y: auto;
}

.mobile-drawer.open .drawer-content {
  transform: translateX(0);
}

.drawer-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-xl);
  padding-bottom: var(--spacing-md);
  border-bottom: 1px solid var(--slate-border);
}

.drawer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.drawer-link {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--navy);
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0.5rem 0;
}

.drawer-link:hover, .drawer-link.active {
  color: var(--primary);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 600;
  font-size: 0.9375rem;
  padding: 0.7rem 1.35rem;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  text-align: center;
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--primary);
  color: var(--white);
  box-shadow: 0 4px 12px rgba(2, 132, 199, 0.25);
}

.btn-primary:hover {
  background-color: var(--primary-dark);
  color: var(--white);
  box-shadow: 0 6px 16px rgba(2, 132, 199, 0.35);
  transform: translateY(-1px);
}

.btn-secondary {
  background-color: var(--white);
  color: var(--navy);
  border-color: var(--slate-border);
}

.btn-secondary:hover {
  background-color: var(--slate-light);
  color: var(--primary);
}

.btn-whatsapp {
  background-color: var(--whatsapp);
  color: var(--white);
  box-shadow: 0 4px 12px rgba(37, 211, 102, 0.25);
}

.btn-whatsapp:hover {
  background-color: var(--whatsapp-hover);
  color: var(--white);
  transform: translateY(-1px);
}

.btn-emergency {
  background-color: var(--accent-red);
  color: var(--white);
}

.btn-emergency:hover {
  background-color: #B91C1C;
  color: var(--white);
}

.btn-lg {
  padding: 0.85rem 1.65rem;
  font-size: 1.05rem;
}

.btn-sm {
  padding: 0.45rem 0.9rem;
  font-size: 0.85rem;
}

.btn-block {
  width: 100%;
}

/* Hero Section */
.hero-section {
  position: relative;
  background: linear-gradient(180deg, #F0F9FF 0%, #FFFFFF 100%);
  padding-top: var(--spacing-2xl);
  padding-bottom: var(--spacing-3xl);
  border-bottom: 1px solid var(--slate-border);
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-2xl);
  align-items: center;
}

@media (min-width: 992px) {
  .hero-grid {
    grid-template-columns: 1.15fr 0.85fr;
  }
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background-color: var(--primary-light);
  color: var(--primary-dark);
  font-size: 0.85rem;
  font-weight: 700;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  margin-bottom: var(--spacing-md);
  border: 1px solid rgba(2, 132, 199, 0.2);
}

.hero-title {
  margin-bottom: 1.25rem;
}

.hero-lead {
  font-size: 1.125rem;
  line-height: 1.7;
  color: var(--navy-muted);
  margin-bottom: 1.5rem;
}

.hero-points {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  margin-bottom: 2rem;
}

@media (min-width: 600px) {
  .hero-points {
    grid-template-columns: 1fr 1fr;
  }
}

.hero-point {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--navy);
}

.hero-point svg {
  color: var(--success);
  flex-shrink: 0;
}

.hero-actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

@media (min-width: 480px) {
  .hero-actions {
    flex-direction: row;
    align-items: center;
  }
}

/* Quick Quote Card */
.quote-card {
  background-color: var(--white);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-xl);
  border: 1px solid rgba(2, 132, 199, 0.15);
  position: relative;
}

.quote-card-badge {
  position: absolute;
  top: -12px;
  right: 20px;
  background: var(--accent-amber);
  color: var(--white);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 4px 12px;
  border-radius: var(--radius-full);
}

.quote-card-header {
  margin-bottom: 1.25rem;
}

.quote-card-header h3 {
  margin-top: 0;
  margin-bottom: 0.25rem;
  font-size: 1.35rem;
}

.quote-card-header p {
  font-size: 0.875rem;
  color: var(--slate);
  margin-bottom: 0;
}

/* Form Styles */
.form-group {
  margin-bottom: 1rem;
}

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 0.35rem;
}

.form-control, .form-select {
  width: 100%;
  padding: 0.65rem 0.85rem;
  font-size: 0.9375rem;
  font-family: inherit;
  color: var(--navy);
  background-color: var(--off-white);
  border: 1px solid var(--slate-border);
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.form-control:focus, .form-select:focus {
  outline: none;
  border-color: var(--primary);
  background-color: var(--white);
  box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.15);
}

/* Trust Bar */
.trust-bar {
  background-color: var(--white);
  padding: var(--spacing-xl) 0;
  border-bottom: 1px solid var(--slate-border);
}

.trust-heading {
  text-align: center;
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--slate);
  font-weight: 700;
  margin-bottom: 1.25rem;
}

.brand-logos-row {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.5rem 2.5rem;
}

.brand-item {
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--slate);
  opacity: 0.75;
  letter-spacing: -0.01em;
  transition: var(--transition);
}

.brand-item:hover {
  opacity: 1;
  color: var(--navy);
}

.trust-stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 1px dashed var(--slate-border);
}

@media (min-width: 768px) {
  .trust-stats-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

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

.stat-number {
  font-size: 2rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1.1;
  margin-bottom: 0.25rem;
}

.stat-label {
  font-size: 0.875rem;
  color: var(--slate);
  font-weight: 500;
}

/* Section Styling */
.section {
  padding: var(--spacing-3xl) 0;
}

.section-alt {
  background-color: var(--white);
}

.section-header {
  text-align: center;
  max-width: 750px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: var(--spacing-2xl);
}

.section-tag {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--primary);
  margin-bottom: 0.5rem;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--slate);
  margin-bottom: 0;
}

/* Services Grid */
.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 640px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .services-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.service-card {
  background-color: var(--white);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  border: 1px solid var(--slate-border);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  position: relative;
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(2, 132, 199, 0.4);
}

.service-icon-wrap {
  width: 54px;
  height: 54px;
  border-radius: var(--radius-md);
  background-color: var(--primary-light);
  color: var(--primary-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
}

.service-card h3 {
  margin-top: 0;
  margin-bottom: 0.75rem;
  font-size: 1.3rem;
}

.service-card p {
  font-size: 0.9375rem;
  color: var(--navy-muted);
  flex-grow: 1;
}

.service-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 1rem;
  border-top: 1px solid var(--slate-border);
  margin-top: 1rem;
  font-size: 0.85rem;
}

.service-price {
  font-weight: 700;
  color: var(--navy);
}

.service-price span {
  color: var(--primary);
  font-size: 1.1rem;
}

/* Malta Practical Knowledge / Educational Section */
.malta-conditions-box {
  background: linear-gradient(135deg, #0F172A 0%, #1E293B 100%);
  color: var(--white);
  border-radius: var(--radius-lg);
  padding: var(--spacing-2xl);
  margin: var(--spacing-2xl) 0;
  box-shadow: var(--shadow-xl);
}

.malta-conditions-box h2, .malta-conditions-box h3 {
  color: var(--white);
}

.malta-conditions-box p {
  color: #CBD5E1;
}

.conditions-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-top: 2rem;
}

@media (min-width: 768px) {
  .conditions-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.condition-card {
  background-color: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 1.5rem;
  border-radius: var(--radius-md);
}

.condition-badge {
  display: inline-block;
  background-color: rgba(2, 132, 199, 0.25);
  color: #38BDF8;
  padding: 4px 10px;
  font-size: 0.75rem;
  font-weight: 700;
  border-radius: var(--radius-sm);
  margin-bottom: 0.75rem;
}

/* Cost Calculator Widget */
.calc-widget {
  background-color: var(--white);
  border: 1px solid var(--slate-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-md);
  max-width: 800px;
  margin: 0 auto;
}

.calc-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

@media (min-width: 640px) {
  .calc-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.calc-result-box {
  background: var(--ice-blue);
  border: 1px solid var(--primary-light);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  text-align: center;
  margin-top: 1.5rem;
}

.calc-price-display {
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--primary-dark);
  margin: 0.5rem 0;
}

/* Comparison Table */
.table-responsive {
  width: 100%;
  overflow-x: auto;
  border-radius: var(--radius-md);
  border: 1px solid var(--slate-border);
  background-color: var(--white);
  margin: 1.5rem 0;
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.9375rem;
}

.comparison-table th, .comparison-table td {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--slate-border);
}

.comparison-table th {
  background-color: var(--slate-light);
  font-weight: 700;
  color: var(--navy);
}

.comparison-table tr:last-child td {
  border-bottom: none;
}

.comparison-table .highlight-col {
  background-color: var(--ice-blue);
  font-weight: 600;
  color: var(--navy);
}

/* Review Cards */
.reviews-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .reviews-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.review-card {
  background-color: var(--white);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  border: 1px solid var(--slate-border);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
}

.review-stars {
  color: #F59E0B;
  display: flex;
  gap: 3px;
  margin-bottom: 0.75rem;
}

.review-text {
  font-style: italic;
  font-size: 0.9375rem;
  line-height: 1.6;
  flex-grow: 1;
  margin-bottom: 1rem;
}

.review-author {
  display: flex;
  align-items: center;
  gap: 10px;
}

.author-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: var(--primary-light);
  color: var(--primary-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.9rem;
}

.author-info h4 {
  font-size: 0.9375rem;
  margin: 0;
}

.author-info span {
  font-size: 0.8rem;
  color: var(--slate);
}

/* FAQ Accordion */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-item {
  background-color: var(--white);
  border: 1px solid var(--slate-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition);
}

.faq-question {
  width: 100%;
  text-align: left;
  padding: 1.15rem 1.25rem;
  background: none;
  border: none;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--navy);
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
}

.faq-question:hover {
  color: var(--primary);
}

.faq-icon {
  width: 20px;
  height: 20px;
  transition: transform 0.2s ease;
  flex-shrink: 0;
  color: var(--primary);
}

.faq-item.active .faq-icon {
  transform: rotate(180deg);
}

.faq-answer {
  padding: 0 1.25rem;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.25s ease-out, padding 0.25s ease;
}

.faq-item.active .faq-answer {
  padding: 0 1.25rem 1.25rem 1.25rem;
  max-height: 600px;
}

.faq-answer p:last-child {
  margin-bottom: 0;
}

/* Local Areas Covered Tag Cloud */
.local-areas-wrap {
  background-color: var(--white);
  border: 1px solid var(--slate-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  margin-top: var(--spacing-xl);
}

.areas-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 1rem;
}

.area-pill {
  background-color: var(--slate-light);
  color: var(--navy-muted);
  font-size: 0.85rem;
  font-weight: 500;
  padding: 6px 12px;
  border-radius: var(--radius-full);
  border: 1px solid var(--slate-border);
  transition: var(--transition);
}

.area-pill:hover {
  background-color: var(--primary-light);
  color: var(--primary-dark);
  border-color: var(--primary);
}

/* CTA Banner */
.cta-banner {
  background: linear-gradient(135deg, var(--navy) 0%, var(--primary-dark) 100%);
  color: var(--white);
  border-radius: var(--radius-lg);
  padding: var(--spacing-2xl) var(--spacing-xl);
  text-align: center;
  box-shadow: var(--shadow-xl);
}

.cta-banner h2 {
  color: var(--white);
  margin-top: 0;
}

.cta-banner p {
  color: #E2E8F0;
  max-width: 650px;
  margin: 0 auto 1.5rem auto;
}

.cta-buttons {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
}

/* Footer */
.site-footer {
  background-color: var(--navy);
  color: var(--slate-light);
  padding-top: var(--spacing-3xl);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.9375rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  padding-bottom: var(--spacing-2xl);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

@media (min-width: 640px) {
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  }
}

.footer-col h4 {
  color: var(--white);
  font-size: 1.1rem;
  margin-bottom: 1rem;
  position: relative;
  padding-bottom: 0.5rem;
}

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

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-links a {
  color: #94A3B8;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.footer-links a:hover {
  color: var(--white);
  transform: translateX(3px);
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 12px;
  color: #94A3B8;
}

.footer-contact-item svg {
  flex-shrink: 0;
  margin-top: 3px;
  color: var(--primary);
}

.footer-bottom {
  padding: 1.5rem 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-size: 0.85rem;
  color: #94A3B8;
  text-align: center;
}

@media (min-width: 768px) {
  .footer-bottom {
    flex-direction: row;
    text-align: left;
  }
}

.footer-credits {
  font-size: 0.85rem;
  color: #94A3B8;
}

.footer-credits a {
  color: #38BDF8;
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.footer-credits a:hover {
  color: var(--white);
}

/* Sticky Mobile Bottom Bar */
.mobile-sticky-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(8px);
  border-top: 1px solid var(--slate-border);
  padding: 8px 12px;
  display: flex;
  gap: 8px;
  z-index: 99;
  box-shadow: 0 -4px 15px rgba(0, 0, 0, 0.08);
}

@media (min-width: 768px) {
  .mobile-sticky-bar {
    display: none;
  }
}

.mobile-sticky-bar a {
  flex: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 0.875rem;
  font-weight: 700;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  color: var(--white);
}

.mobile-btn-call {
  background-color: var(--primary-dark);
}

.mobile-btn-wa {
  background-color: var(--whatsapp);
}

/* Content Page Layout (for inner pages) */
.page-header {
  background: linear-gradient(180deg, #F0F9FF 0%, #FFFFFF 100%);
  padding: var(--spacing-2xl) 0;
  border-bottom: 1px solid var(--slate-border);
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--slate);
  margin-bottom: 1rem;
}

.breadcrumb a {
  color: var(--slate);
}

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

.content-body {
  font-size: 1.05rem;
  line-height: 1.75;
}

.content-body h2 {
  margin-top: 2.25rem;
  margin-bottom: 1rem;
  padding-bottom: 0.4rem;
  border-bottom: 2px solid var(--primary-light);
}

.content-body h3 {
  margin-top: 1.75rem;
  margin-bottom: 0.75rem;
}

.content-body ul, .content-body ol {
  margin-bottom: 1.25rem;
  padding-left: 1.5rem;
}

.content-body li {
  margin-bottom: 0.5rem;
}

.callout-box {
  background-color: var(--ice-blue);
  border-left: 4px solid var(--primary);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: 1.25rem 1.5rem;
  margin: 1.5rem 0;
}

.callout-box h4 {
  margin-top: 0;
  margin-bottom: 0.5rem;
  color: var(--primary-dark);
}

.callout-box p:last-child {
  margin-bottom: 0;
}

/* Utility Helpers */
.text-center { text-align: center; }
.text-primary { color: var(--primary); }
.text-amber { color: var(--accent-amber); }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mb-0 { margin-bottom: 0 !important; }
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 8px;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 700;
}
.badge-green {
  background: var(--success-bg);
  color: var(--success);
}

/* ==========================================================================
   Animations, Keyframes & Scroll-Reveal System
   ========================================================================== */

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInLeft {
  from {
    opacity: 0;
    transform: translateX(-24px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translateX(24px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes floatSlow {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-8px);
  }
}

@keyframes pulseGlow {
  0%, 100% {
    box-shadow: 0 4px 12px rgba(37, 211, 102, 0.25);
  }
  50% {
    box-shadow: 0 8px 24px rgba(37, 211, 102, 0.45);
  }
}

@keyframes pulseGlowBlue {
  0%, 100% {
    box-shadow: 0 4px 12px rgba(2, 132, 199, 0.25);
  }
  50% {
    box-shadow: 0 8px 24px rgba(2, 132, 199, 0.45);
  }
}

/* Animation Utility Classes */
.animate-fade-in {
  animation: fadeInUp 0.7s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.animate-float {
  animation: floatSlow 4s ease-in-out infinite;
}

.animate-pulse-glow {
  animation: pulseGlow 2.5s infinite;
}

.animate-pulse-glow-blue {
  animation: pulseGlowBlue 2.5s infinite;
}

/* Scroll Reveal Classes (Triggered via IntersectionObserver in main.js) */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

.reveal-left {
  opacity: 0;
  transform: translateX(-28px);
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

.reveal-right {
  opacity: 0;
  transform: translateX(28px);
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

.reveal.active, .reveal-left.active, .reveal-right.active {
  opacity: 1;
  transform: translate(0, 0);
}

.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }

/* Image & Diagram Wrappers */
.graphic-banner-wrap {
  background: var(--white);
  border: 1px solid var(--slate-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-md);
  margin: 2rem 0;
  transition: var(--transition);
}

.graphic-banner-wrap:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
  border-color: rgba(2, 132, 199, 0.3);
}

.graphic-banner-wrap img, .graphic-banner-wrap svg {
  width: 100%;
  height: auto;
  border-radius: var(--radius-md);
}

.figure-caption {
  font-size: 0.85rem;
  color: var(--slate);
  text-align: center;
  margin-top: 0.75rem;
  font-weight: 500;
}

.hero-visual-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  border: 1px solid rgba(2, 132, 199, 0.2);
  background: var(--white);
}

.hero-visual-card img {
  width: 100%;
  height: auto;
  display: block;
}