/* ==========================================================================
   VELSPRIME Corporate Website Main Stylesheet (Light Theme - Polished Edition)
   Legal Entity: Velsprime Ltd
   Domain: https://velsprime.uk/
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. CSS Custom Properties / Design Tokens (Light Theme)
   -------------------------------------------------------------------------- */
:root {
  /* Color Palette - Premium Light Tech Theme */
  --bg-main: #f8fafc;
  --bg-surface: #ffffff;
  --bg-surface-elevated: #f1f5f9;
  --bg-card: #ffffff;
  
  --navy-brand: #071725;
  --navy-dark: #04101d;
  
  --text-primary: #0f172a;
  --text-secondary: #334155;
  --text-muted: #64748b;

  --silver-100: #0f172a;
  --silver-200: #1e293b;
  --silver-300: #334155;
  --silver-400: #475569;
  --silver-500: #64748b;

  --navy-950: #ffffff;
  --navy-900: #f8fafc;
  --navy-850: #ffffff;
  --navy-800: #f1f5f9;
  --navy-700: #e2e8f0;

  --accent-cyan: #0284c7;
  --accent-teal: #0d9488;
  --accent-indigo: #4f46e5;
  --accent-green: #16a34a;

  --border-silver: rgba(15, 23, 42, 0.08);
  --border-silver-strong: rgba(15, 23, 42, 0.16);
  
  --glass-bg: rgba(255, 255, 255, 0.88);
  --glass-border: rgba(15, 23, 42, 0.1);
  
  /* Typography Tokens */
  --font-heading: 'Manrope', 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  
  /* Elevation & Shadows */
  --shadow-sm: 0 2px 6px rgba(15, 23, 42, 0.04);
  --shadow-md: 0 8px 24px rgba(15, 23, 42, 0.07);
  --shadow-lg: 0 16px 40px rgba(15, 23, 42, 0.1);
  --shadow-glow: 0 0 30px rgba(2, 132, 199, 0.15);

  /* Layout & Spacing */
  --container-max-width: 1240px;
  --header-height: 80px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 24px;

  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-normal: 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

/* --------------------------------------------------------------------------
   2. Reset & Core Base Styles
   -------------------------------------------------------------------------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-secondary);
  background-color: var(--bg-main);
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  width: 100%;
  min-height: 100vh;
  overflow-x: hidden;
  display: flex;
  flex-direction: column;
  background: 
    radial-gradient(circle at 10% 20%, rgba(2, 132, 199, 0.04) 0%, transparent 40%),
    radial-gradient(circle at 90% 80%, rgba(79, 70, 229, 0.04) 0%, transparent 40%),
    #f8fafc;
}

/* Skip to Content Link (Accessibility) */
.skip-link {
  position: absolute;
  top: -100px;
  left: 20px;
  background: var(--navy-brand);
  color: #ffffff;
  padding: 12px 20px;
  font-weight: 700;
  border-radius: var(--radius-sm);
  z-index: 9999;
  transition: top var(--transition-fast);
  text-decoration: none;
}
.skip-link:focus {
  top: 20px;
  outline: 3px solid var(--accent-cyan);
}

/* Global Focus Styles */
:focus-visible {
  outline: 2px solid var(--accent-cyan);
  outline-offset: 3px;
}

/* Headings & Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--text-primary);
  line-height: 1.25;
  font-weight: 800;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(1.75rem, 3vw, 2.4rem); }
h2 { font-size: clamp(1.35rem, 2.2vw, 1.75rem); }
h3 { font-size: clamp(1.1rem, 1.6vw, 1.25rem); }
h4 { font-size: 1rem; font-weight: 700; }

p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: 1rem;
}
p:last-child { margin-bottom: 0; }

a {
  color: var(--accent-cyan);
  text-decoration: none;
  transition: color var(--transition-fast);
}
a:hover {
  color: var(--navy-brand);
}

ul {
  list-style: none;
}

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

/* --------------------------------------------------------------------------
   3. Container & Layout Utilities
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 96px 0;
  position: relative;
}

.section-sm {
  padding: 56px 0;
}

.section-header {
  text-align: center;
  max-width: 780px;
  margin: 0 auto 60px auto;
}

.section-subtitle {
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.82rem;
  font-weight: 800;
  color: var(--accent-cyan);
  margin-bottom: 14px;
  display: block;
}

.section-title {
  margin-bottom: 20px;
}

.section-description {
  font-size: 1rem;
  line-height: 1.65;
  color: var(--text-muted);
}

.text-gradient {
  background: linear-gradient(135deg, var(--navy-brand) 0%, #0284c7 40%, #4f46e5 70%, var(--accent-cyan) 100%);
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: textShimmer 8s ease infinite;
}

@keyframes textShimmer {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* Grid Layouts */
.grid {
  display: grid;
  gap: 32px;
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

@media (min-width: 769px) {
  .grid-span-2 { grid-column: span 2; }
}

/* --------------------------------------------------------------------------
   4. Buttons & Interactive Controls
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 30px;
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  border: 1px solid transparent;
  text-decoration: none;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
  z-index: 1;
}

/* Button Click Ripple Animation */
.ripple-wave {
  position: absolute;
  border-radius: 50%;
  transform: scale(0);
  animation: rippleAnim 0.6s linear;
  background-color: rgba(255, 255, 255, 0.4);
  pointer-events: none;
}

@keyframes rippleAnim {
  to {
    transform: scale(4);
    opacity: 0;
  }
}

.btn-primary {
  background: linear-gradient(135deg, var(--navy-brand) 0%, #0d253f 100%);
  color: #ffffff;
  box-shadow: 0 4px 16px rgba(7, 23, 37, 0.18);
}
.btn-primary:hover {
  background: linear-gradient(135deg, #0284c7 0%, #0369a1 100%);
  color: #ffffff;
  transform: translateY(-3px) scale(1.01);
  box-shadow: 0 10px 28px rgba(2, 132, 199, 0.35);
}

.btn-secondary {
  background: #ffffff;
  color: var(--text-primary);
  border-color: var(--border-silver-strong);
  box-shadow: var(--shadow-sm);
}
.btn-secondary:hover {
  background: var(--bg-surface-elevated);
  border-color: var(--accent-cyan);
  transform: translateY(-2px);
  color: var(--accent-cyan);
  box-shadow: var(--shadow-md);
}

.btn-whatsapp {
  background: linear-gradient(135deg, #25d366 0%, #128c7e 100%);
  color: #ffffff;
  box-shadow: 0 4px 16px rgba(37, 211, 102, 0.3);
  font-weight: 700;
}
.btn-whatsapp:hover {
  background: linear-gradient(135deg, #128c7e 0%, #075e54 100%);
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(18, 140, 126, 0.4);
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border-color: var(--border-silver);
}
.btn-outline:hover {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  background: rgba(2, 132, 199, 0.05);
}

.btn-lg {
  padding: 16px 38px;
  font-size: 1.05rem;
}

.btn-icon {
  width: 18px;
  height: 18px;
  fill: currentColor;
  transition: transform var(--transition-fast);
}
.btn:hover .btn-icon {
  transform: translateX(4px);
}

/* --------------------------------------------------------------------------
   5. Header & Navigation Component
   -------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  width: 100%;
  height: var(--header-height);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  border-bottom: 1px solid var(--border-silver);
  z-index: 1000;
  transition: height 0.35s cubic-bezier(0.16, 1, 0.3, 1), background 0.35s ease, box-shadow 0.35s ease, border-color 0.35s ease;
  box-shadow: 0 2px 10px rgba(15, 23, 42, 0.03);
}

.site-header.scrolled {
  height: 66px;
  background: rgba(255, 255, 255, 0.97);
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.08), 0 1px 0 rgba(2, 132, 199, 0.2);
  border-bottom-color: rgba(2, 132, 199, 0.2);
}

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

/* Brand Text Logo */
.brand-logo {
  font-family: var(--font-heading);
  font-size: 1.45rem;
  font-weight: 900;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--navy-brand);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 10px;
}

.brand-logo:hover {
  color: var(--accent-cyan);
}
.brand-logo-accent {
  width: 8px;
  height: 8px;
  background: var(--accent-cyan);
  border-radius: 50%;
  display: inline-block;
  box-shadow: 0 0 10px var(--accent-cyan);
}

/* Nav Menu */
.nav-menu {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-link {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-secondary);
  padding: 8px 0;
  position: relative;
  transition: color var(--transition-fast);
}

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

.nav-link.active {
  color: var(--navy-brand);
  font-weight: 700;
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-cyan), var(--accent-indigo));
  border-radius: 2px;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.mobile-nav-cta {
  display: none;
}

.header-cta-btn {
  display: inline-flex;
}

/* Hamburger Mobile Toggle */
.mobile-toggle {
  display: none;
  background: #ffffff;
  border: 1px solid var(--border-silver-strong);
  color: var(--text-primary);
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}
.mobile-toggle:hover {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  background: #f0f9ff;
}
.mobile-toggle-icon {
  width: 22px;
  height: 22px;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
}

/* --------------------------------------------------------------------------
   6. Cards, Panels & Modern Containers
   -------------------------------------------------------------------------- */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-silver);
  border-radius: var(--radius-md);
  padding: 36px;
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--accent-cyan), transparent);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.card::after, .glass-panel::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(400px circle at var(--mouse-x, 50%) var(--mouse-y, 50%), rgba(2, 132, 199, 0.08), transparent 80%);
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}

.card:hover::after, .glass-panel:hover::after {
  opacity: 1;
}

.card:hover {
  transform: translateY(-8px) scale(1.01);
  border-color: rgba(2, 132, 199, 0.35);
  box-shadow: 0 20px 40px rgba(15, 23, 42, 0.08), 0 0 25px rgba(2, 132, 199, 0.08);
}
.card:hover::before {
  opacity: 1;
}

.card-icon-wrapper {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, #e0f2fe 0%, #f0f9ff 100%);
  border: 1px solid rgba(2, 132, 199, 0.18);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  color: var(--accent-cyan);
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), background 0.4s ease, color 0.4s ease, box-shadow 0.4s ease;
}
.card:hover .card-icon-wrapper {
  transform: scale(1.12) rotate(4deg);
  background: linear-gradient(135deg, #0284c7 0%, #0369a1 100%);
  color: #ffffff;
  box-shadow: 0 8px 20px rgba(2, 132, 199, 0.35);
}

.badge-dot {
  position: relative;
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-cyan);
}
.badge-dot::after {
  content: '';
  position: absolute;
  inset: -3px;
  border-radius: 50%;
  animation: radarPulse 2s cubic-bezier(0, 0.2, 0.8, 1) infinite;
}

@keyframes radarPulse {
  0% { transform: scale(0.8); opacity: 1; }
  100% { transform: scale(2.4); opacity: 0; }
}

.card-icon {
  width: 28px;
  height: 28px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.card-title {
  font-size: 1.15rem;
  margin-bottom: 10px;
  color: var(--text-primary);
}

.card-text {
  font-size: 0.92rem;
  line-height: 1.65;
  color: var(--text-secondary);
  flex-grow: 1;
  margin-bottom: 20px;
}

.card-link {
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--accent-cyan);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.card-link:hover {
  color: var(--navy-brand);
}

.glass-panel {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 44px;
  box-shadow: var(--shadow-md);
}

/* Status Pill & Tags */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  background: #e0f2fe;
  border: 1px solid rgba(2, 132, 199, 0.25);
  color: #0369a1;
}
.badge-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent-cyan);
  box-shadow: 0 0 8px var(--accent-cyan);
}

/* --------------------------------------------------------------------------
   7. Form Controls & Feedback States
   -------------------------------------------------------------------------- */
.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.form-group-full {
  grid-column: span 2;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 20px;
}

.form-label {
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-primary);
}
.form-label .required {
  color: #dc2626;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 14px 18px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--text-primary);
  background: #ffffff;
  border: 1px solid var(--border-silver-strong);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--accent-cyan);
  box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.15);
  background: #ffffff;
}

.form-textarea {
  min-height: 140px;
  resize: vertical;
}

.form-select option {
  background: #ffffff;
  color: var(--text-primary);
}

/* Checkbox Styles */
.checkbox-group {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  cursor: pointer;
}
.checkbox-group input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--accent-cyan);
  margin-top: 3px;
  cursor: pointer;
}
.checkbox-label {
  font-size: 0.88rem;
  color: var(--text-secondary);
}

/* Honeypot field (hidden from real users) */
.hp-field {
  display: none !important;
  visibility: hidden !important;
}

/* Form Feedback Notifications */
.form-status {
  padding: 16px;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  margin-bottom: 20px;
  display: none;
}
.form-status.success {
  display: block;
  background: #dcfce7;
  border: 1px solid #86efac;
  color: #15803d;
}
.form-status.error {
  display: block;
  background: #fee2e2;
  border: 1px solid #fca5a5;
  color: #b91c1c;
}

.error-message {
  font-size: 0.8rem;
  color: #dc2626;
  display: none;
}
.has-error .error-message {
  display: block;
}
.has-error .form-input,
.has-error .form-select,
.has-error .form-textarea {
  border-color: #dc2626;
}

/* --------------------------------------------------------------------------
   8. Accordion Component (FAQs)
   -------------------------------------------------------------------------- */
.accordion {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.accordion-item {
  background: var(--bg-surface);
  border: 1px solid var(--border-silver);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  box-shadow: var(--shadow-sm);
}
.accordion-item:hover {
  border-color: rgba(2, 132, 199, 0.3);
}

.accordion-header {
  width: 100%;
  padding: 22px 28px;
  background: transparent;
  border: none;
  color: var(--text-primary);
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  text-align: left;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  gap: 16px;
}
.accordion-header:hover {
  color: var(--accent-cyan);
}

.accordion-icon {
  width: 20px;
  height: 20px;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  transition: transform var(--transition-fast);
  flex-shrink: 0;
}

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

.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.4s ease;
  padding: 0 28px;
}

.accordion-item.active .accordion-content {
  max-height: 500px;
  padding: 0 28px 24px 28px;
}

/* --------------------------------------------------------------------------
   9. Section Specific Styles
   -------------------------------------------------------------------------- */
/* Hero Section */
.hero {
  padding: 100px 0 80px 0;
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 50px;
  align-items: center;
}

.hero-content {
  max-width: 620px;
}

.hero-trust-tag {
  margin-bottom: 20px;
}

.hero-title {
  margin-bottom: 24px;
}

.hero-description {
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--text-secondary);
  margin-bottom: 32px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.hero-trust-bar {
  display: flex;
  align-items: center;
  gap: 24px;
  padding-top: 24px;
  border-top: 1px solid var(--border-silver);
  font-size: 0.88rem;
  color: var(--text-muted);
  font-weight: 600;
}

.hero-visual-wrapper {
  position: relative;
  display: flex;
  justify-content: center;
}

.hero-visual-img {
  width: 100%;
  filter: drop-shadow(0 16px 36px rgba(15, 23, 42, 0.1));
  border-radius: var(--radius-lg);
  transition: transform var(--transition-normal);
}
.hero-visual-wrapper:hover .hero-visual-img {
  transform: translateY(-4px);
}

/* CTA Banner Box */
.cta-box {
  background: linear-gradient(135deg, #ffffff 0%, #f1f5f9 100%);
  border: 1px solid var(--border-silver-strong);
  border-radius: var(--radius-lg);
  padding: 64px 40px;
  text-align: center;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.cta-box::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--accent-cyan), var(--accent-indigo), #25d366);
}

.cta-title {
  margin-bottom: 16px;
  color: var(--navy-brand);
}
.cta-text {
  max-width: 640px;
  margin: 0 auto 32px auto;
  font-size: 1.15rem;
  color: var(--text-secondary);
}

/* --------------------------------------------------------------------------
   10. Footer Component (Ultra-Polished Executive Edition)
   -------------------------------------------------------------------------- */
.site-footer {
  background: #ffffff;
  border-top: 1px solid rgba(15, 23, 42, 0.08);
  position: relative;
  padding: 70px 0 30px 0;
  margin-top: auto;
}

.site-footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-cyan), var(--accent-indigo), var(--accent-green));
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.6fr;
  gap: 48px;
  margin-bottom: 50px;
}

.footer-brand-title {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 800;
  letter-spacing: 0.15em;
  color: var(--navy-brand);
  margin-bottom: 14px;
}

.footer-brand-desc {
  font-size: 0.92rem;
  color: var(--text-muted);
  max-width: 320px;
  margin-bottom: 20px;
  line-height: 1.65;
}

.footer-heading {
  font-family: var(--font-heading);
  font-size: 0.98rem;
  font-weight: 700;
  color: var(--navy-brand);
  margin-bottom: 18px;
  letter-spacing: 0.02em;
}

.footer-menu {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-menu-link {
  color: var(--text-secondary);
  font-size: 0.92rem;
  font-weight: 500;
  transition: color var(--transition-fast), transform var(--transition-fast);
}
.footer-menu-link:hover {
  color: var(--accent-cyan);
  transform: translateX(3px);
}

.footer-contact-item {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text-secondary);
  font-size: 0.92rem;
  font-weight: 600;
  text-decoration: none;
  transition: color var(--transition-fast);
}
.footer-contact-item:hover {
  color: var(--accent-cyan);
}
.footer-contact-item.wa {
  color: #16a34a;
  font-weight: 700;
}
.footer-contact-item.wa:hover {
  color: #15803d;
}

.footer-social {
  display: flex;
  gap: 10px;
  margin-top: 16px;
}

.social-icon-link {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: #f1f5f9;
  border: 1px solid var(--border-silver);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-primary);
  transition: all var(--transition-fast);
}
.social-icon-link:hover {
  color: var(--accent-cyan);
  border-color: var(--accent-cyan);
  background: #e0f2fe;
}

.footer-bottom {
  padding-top: 24px;
  border-top: 1px solid var(--border-silver);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.86rem;
  color: var(--text-muted);
  flex-wrap: wrap;
  gap: 16px;
}

.config-info-item {
  display: none;
}

/* Floating Hero Graphic Animation */
.hero-visual-img {
  animation: floatAnim 6s ease-in-out infinite;
}

@keyframes floatAnim {
  0% { transform: translateY(0px) rotate(0deg); }
  50% { transform: translateY(-10px) rotate(0.5deg); }
  100% { transform: translateY(0px) rotate(0deg); }
}

/* Card Hover Sheen & Glow */
.card {
  position: relative;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.4s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.card:hover {
  transform: translateY(-8px) scale(1.01);
  border-color: rgba(2, 132, 199, 0.35);
  box-shadow: 0 20px 40px rgba(15, 23, 42, 0.08), 0 0 25px rgba(2, 132, 199, 0.08);
}

/* Button Micro-Animations */
.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 25px rgba(7, 23, 37, 0.25);
}

.btn-whatsapp {
  position: relative;
  overflow: hidden;
  transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.btn-whatsapp:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 25px rgba(22, 163, 74, 0.3);
}

/* --------------------------------------------------------------------------
   11. Back to Top Floating Action Button
   -------------------------------------------------------------------------- */
.back-to-top {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: #ffffff;
  border: 1px solid var(--border-silver-strong);
  color: var(--navy-brand);
  cursor: pointer;
  display: none !important;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-fast);
  z-index: 990;
  box-shadow: var(--shadow-md);
}
.back-to-top.visible {
  display: flex !important;
  opacity: 1;
  visibility: visible;
}
.back-to-top:hover {
  background: var(--navy-brand);
  color: #ffffff;
  border-color: var(--navy-brand);
  transform: translateY(-4px);
}

/* --------------------------------------------------------------------------
   12. Responsive Breakpoints & Mobile Polish
   -------------------------------------------------------------------------- */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
    text-align: center;
  }
  .hero-content {
    max-width: 100%;
    margin: 0 auto;
  }
  .hero-actions {
    justify-content: center;
  }
  .hero-trust-bar {
    justify-content: center;
  }
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 36px;
  }
}

@media (max-width: 768px) {
  .section {
    padding: 56px 0;
  }
  .section-sm {
    padding: 36px 0;
  }
  .grid-2, .grid-3, .grid-4 {
    grid-template-columns: 1fr !important;
  }
  .card[style*="grid-column: span 2"] {
    grid-column: span 1 !important;
  }
  
  /* Mobile Header Navigation */
  .mobile-toggle {
    display: flex;
  }
  .header-actions {
    display: none;
  }
  .mobile-nav-cta {
    display: flex;
    margin-top: 16px;
    width: 100%;
  }

  .nav-menu {
    position: fixed;
    top: var(--header-height);
    left: 0;
    width: 100%;
    height: calc(100vh - var(--header-height));
    background: #ffffff;
    flex-direction: column;
    align-items: flex-start;
    padding: 32px 24px;
    gap: 16px;
    transform: translateX(100%);
    transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: 0 20px 40px rgba(15, 23, 42, 0.1);
    overflow-y: auto;
    z-index: 999;
  }

  .nav-menu.open {
    transform: translateX(0);
  }

  .nav-link {
    font-size: 1.1rem;
    width: 100%;
    padding: 12px 0;
    border-bottom: 1px solid var(--border-silver);
  }

  .nav-link.active::after {
    display: none;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
    gap: 12px;
  }

  .card {
    padding: 24px;
  }

  .cta-box {
    padding: 36px 20px;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }
  h1 { font-size: 1.7rem; }
  h2 { font-size: 1.3rem; }
  h3 { font-size: 1.05rem; }
  .btn-lg {
    width: 100%;
    padding: 14px 20px;
  }
}

/* Reduced Motion Mode */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  .reveal, .hero-visual-img, .floating-whatsapp {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
    animation: none !important;
  }
  .card:hover,
  .btn:hover,
  .back-to-top:hover,
  .floating-whatsapp:hover {
    transform: none !important;
  }
}