/* ==========================================================================
   BookPrintOnline.co.uk — Core Design System & UI Stylesheet
   Version: 1.0
   Design Tokens: Royal Navy (#0B1B3D) & Amber Gold (#E09F3E)
   ========================================================================== */

/* Font family definitions handled via preloaded HTML links */

:root {
  /* Brand Palette */
  --navy-primary: #0B1B3D;
  --navy-deep: #070F23;
  --navy-light: #162B56;
  
  --gold-primary: #E09F3E;
  --gold-hover: #C88A2B;
  --gold-gradient: linear-gradient(135deg, #E09F3E 0%, #D48B28 100%);
  --gold-soft: rgba(224, 159, 62, 0.12);

  /* Neutrals */
  --bg-page: #F8FAFC;
  --bg-card: #FFFFFF;
  --bg-paper: #FDFBF7;
  --text-dark: #1E293B;
  --text-muted: #64748B;
  --text-light: #94A3B8;
  --border-color: #E2E8F0;
  --border-focus: #E09F3E;

  /* Typography */
  --font-heading: 'Plus Jakarta Sans', -apple-system, sans-serif;
  --font-body: 'Inter', -apple-system, sans-serif;

  /* Shadows & Radius */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-pill: 9999px;
  
  --shadow-sm: 0 2px 8px rgba(11, 27, 61, 0.04);
  --shadow-md: 0 8px 24px rgba(11, 27, 61, 0.06);
  --shadow-lg: 0 16px 40px rgba(11, 27, 61, 0.12);
  --shadow-gold: 0 4px 18px rgba(224, 159, 62, 0.35);

  --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-page);
  color: var(--text-dark);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

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

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

/* Announcement Top Bar */
.top-bar {
  background-color: var(--navy-deep);
  color: #E2E8F0;
  font-size: 13px;
  font-weight: 500;
  padding: 8px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.top-bar-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.top-bar-left {
  display: flex;
  align-items: center;
  gap: 16px;
}
.top-bar-right {
  display: flex;
  align-items: center;
  gap: 20px;
}
.top-bar-link {
  color: #CBD5E1;
  display: flex;
  align-items: center;
  gap: 6px;
}
/* Layout Stability — Placeholder Height Reservation to Prevent Layout Shift (CLS = 0) */
#top-bar-placeholder {
  min-height: 31px;
  background-color: var(--navy-deep);
}
#header-placeholder {
  min-height: 76px;
  background-color: #FFFFFF;
  position: sticky !important;
  top: 0 !important;
  z-index: 999999 !important;
  overflow: visible !important;
}
#service-calc-placeholder {
  min-height: 520px;
}

.header {
  background-color: #FFFFFF;
  position: sticky !important;
  top: 0 !important;
  z-index: 999999 !important;
  box-shadow: var(--shadow-sm);
  border-bottom: 1px solid var(--border-color);
  overflow: visible !important;
}
.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
  overflow: visible !important;
}
.logo-container {
  display: flex;
  align-items: center;
  gap: 12px;
}
.logo-img {
  height: 48px;
  width: auto;
  object-fit: contain;
}
.logo-text {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 20px;
  color: var(--navy-primary);
  letter-spacing: -0.02em;
}
.logo-text span {
  color: var(--gold-primary);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}
.nav-link {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 15px;
  color: var(--navy-primary);
}
.nav-link:hover {
  color: var(--gold-primary);
}

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 15px;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}
.btn-primary {
  background: var(--gold-gradient);
  color: var(--navy-primary);
  box-shadow: var(--shadow-gold);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 22px rgba(224, 159, 62, 0.5);
}
.btn-secondary {
  background-color: var(--navy-primary);
  color: #FFFFFF;
}
.btn-secondary:hover {
  background-color: var(--navy-light);
  transform: translateY(-2px);
}
.btn-outline {
  background-color: transparent;
  border: 2px solid var(--navy-primary);
  color: var(--navy-primary);
}
.btn-outline:hover {
  background-color: var(--navy-primary);
  color: #FFFFFF;
}

/* Hero Section */
.hero {
  padding: 60px 0 80px 0;
  background: linear-gradient(180deg, #FFFFFF 0%, var(--bg-page) 100%);
  position: relative;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background-color: var(--gold-soft);
  color: #B47318;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 13px;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 20px;
}
.hero-title {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 46px;
  line-height: 1.15;
  color: var(--navy-primary);
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}
.hero-title span {
  color: var(--gold-primary);
  position: relative;
}
.hero-description {
  font-size: 18px;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 32px;
}
.hero-ctas {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 36px;
}
.hero-trust-row {
  display: flex;
  align-items: center;
  gap: 24px;
  border-top: 1px solid var(--border-color);
  padding-top: 24px;
}
.rating-stars {
  color: #F59E0B;
  font-size: 18px;
  display: flex;
  align-items: center;
  gap: 2px;
}
.rating-text {
  font-size: 14px;
  font-weight: 600;
  color: var(--navy-primary);
}

/* Quote Calculator Widget Card */
.calculator-card {
  background: #FFFFFF;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-lg);
  position: relative;
}
.calculator-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 2px solid var(--gold-soft);
}
.calculator-title {
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 700;
  color: var(--navy-primary);
}
.calculator-tag {
  background-color: #ECFDF5;
  color: #059669;
  font-size: 12px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
}

.form-group {
  margin-bottom: 20px;
}
.form-label {
  display: block;
  font-family: var(--font-heading);
  font-size: 14px;
  font-weight: 600;
  color: var(--navy-primary);
  margin-bottom: 8px;
}
.form-select, .form-input {
  width: 100%;
  height: 48px;
  padding: 0 16px;
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--text-dark);
  background-color: #FFFFFF;
  transition: var(--transition);
}
.form-select:focus, .form-input:focus {
  outline: none;
  border-color: var(--border-focus);
  box-shadow: 0 0 0 4px rgba(224, 159, 62, 0.2);
}

.calc-row-2col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.spine-box {
  background-color: var(--bg-paper);
  border: 1px dashed var(--gold-primary);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}
.spine-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
}
.spine-val {
  font-family: var(--font-heading);
  font-size: 15px;
  font-weight: 800;
  color: var(--navy-primary);
}

.price-summary {
  background-color: var(--navy-primary);
  color: #FFFFFF;
  border-radius: var(--radius-md);
  padding: 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}
.unit-price {
  font-size: 14px;
  color: #94A3B8;
}
.unit-price strong {
  color: var(--gold-primary);
  font-size: 16px;
}
.total-price {
  text-align: right;
}
.total-label {
  font-size: 12px;
  color: #94A3B8;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.total-amount {
  font-family: var(--font-heading);
  font-size: 26px;
  font-weight: 800;
  color: var(--gold-primary);
}

/* Trust Bar Section */
.trust-bar {
  background-color: #FFFFFF;
  border-y: 1px solid var(--border-color);
  padding: 24px 0;
}
.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.trust-item {
  display: flex;
  align-items: center;
  gap: 14px;
}
.trust-icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background-color: var(--gold-soft);
  color: var(--gold-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
}
.trust-title {
  font-family: var(--font-heading);
  font-size: 15px;
  font-weight: 700;
  color: var(--navy-primary);
}
.trust-sub {
  font-size: 13px;
  color: var(--text-muted);
}

/* Section Common */
.section {
  padding: 80px 0;
}
.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 56px auto;
}
.section-subtitle {
  color: var(--gold-primary);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 8px;
}
.section-title {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 36px;
  color: var(--navy-primary);
  letter-spacing: -0.02em;
}

/* Product Cards Grid & Service Cards */
.products-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.service-icon-card {
  background-color: #FFFFFF;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  flex-direction: column;
  position: relative;
  box-shadow: 0 4px 14px rgba(11, 27, 61, 0.04);
}

.service-icon-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 36px rgba(11, 27, 61, 0.12);
  border-color: var(--gold-primary);
}

.service-card-img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  object-position: center;
  display: block;
  transition: transform 0.4s ease;
}

.service-icon-card:hover .service-card-img {
  transform: scale(1.04);
}

.service-card-body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.service-card-title {
  font-family: var(--font-heading);
  font-size: 18px;
  font-weight: 700;
  color: var(--navy-primary);
  margin-bottom: 8px;
}

.service-card-desc {
  font-size: 14px;
  line-height: 1.5;
  color: var(--text-muted);
  margin-bottom: 16px;
  flex: 1;
}

.service-card-link {
  font-size: 13px;
  font-weight: 700;
  color: var(--navy-primary);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: color 0.2s ease;
}

.service-card-link:hover {
  color: var(--gold-primary);
}
.product-card {
  background-color: #FFFFFF;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}
.product-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--gold-primary);
}
.product-img-wrap {
  height: 180px;
  background-color: var(--bg-page);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  position: relative;
}
.product-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  background-color: var(--navy-primary);
  color: #FFFFFF;
  font-size: 11px;
  font-weight: 700;
  padding: 4px 8px;
  border-radius: 4px;
}
.product-card-body {
  padding: 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.product-card-title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 18px;
  color: var(--navy-primary);
  margin-bottom: 8px;
}
.product-card-desc {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 20px;
  flex: 1;
}
.product-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--border-color);
  padding-top: 16px;
}
.product-price-from {
  font-size: 13px;
  color: var(--text-muted);
}
.product-price-from strong {
  color: var(--navy-primary);
  font-size: 16px;
}

/* Sample Pack Lead Magnet Banner */
.sample-banner {
  background: linear-gradient(135deg, var(--navy-primary) 0%, var(--navy-deep) 100%);
  color: #FFFFFF;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  margin: 60px 0;
}
.sample-banner-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
}
.sample-banner-content {
  padding: 56px;
}
.sample-banner-title {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 34px;
  line-height: 1.2;
  margin-bottom: 16px;
  color: #FFFFFF;
}
.sample-banner-text {
  font-size: 16px;
  color: #94A3B8;
  margin-bottom: 32px;
  line-height: 1.6;
}
.sample-banner-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Real Print Gallery Section */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.gallery-card {
  background: #FFFFFF;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-color);
}
.gallery-img {
  height: 240px;
  width: 100%;
  object-fit: cover;
}
.gallery-caption {
  padding: 16px;
  font-family: var(--font-heading);
  font-size: 14px;
  font-weight: 700;
  color: var(--navy-primary);
}

/* FAQ Accordion */
.faq-wrap {
  max-width: 800px;
  margin: 0 auto;
}
.faq-item {
  background: #FFFFFF;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  margin-bottom: 16px;
  overflow: hidden;
}
.faq-question {
  padding: 20px 24px;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 17px;
  color: var(--navy-primary);
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
}
.faq-answer {
  padding: 0 24px 20px 24px;
  color: var(--text-muted);
  font-size: 15px;
  display: none;
}
.faq-item.active .faq-answer {
  display: block;
}
.faq-icon {
  font-size: 20px;
  color: var(--gold-primary);
  transition: transform 0.3s ease;
}
.faq-item.active .faq-icon {
  transform: rotate(45deg);
}

/* Footer */
.footer {
  background-color: var(--navy-deep);
  color: #94A3B8;
  padding: 80px 0 32px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 48px;
  margin-bottom: 56px;
}
.footer-brand-title {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 22px;
  color: #FFFFFF;
  margin-bottom: 16px;
}
.footer-desc {
  font-size: 14px;
  line-height: 1.6;
  margin-bottom: 24px;
}
.footer-col-title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 16px;
  color: #FFFFFF;
  margin-bottom: 20px;
}
.footer-links {
  list-style: none;
}
.footer-links li {
  margin-bottom: 12px;
}
.footer-links a {
  color: #94A3B8;
  font-size: 14px;
}
.footer-links a:hover {
  color: var(--gold-primary);
}
.social-links {
  display: flex;
  gap: 12px;
}
.social-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.08);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
}
.social-icon:hover {
  background-color: var(--gold-primary);
  color: var(--navy-primary);
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
}

/* Mobile Sticky Bar */
.sticky-mobile-bar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: var(--navy-primary);
  padding: 12px 16px;
  z-index: 9999;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* Responsive Media Queries */
@media (max-width: 1024px) {
  .hero-grid, .sample-banner-grid {
    grid-template-columns: 1fr;
  }
  .products-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .trust-grid, .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .gallery-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 900px) {
  .trust-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ═══ COMPREHENSIVE MOBILE RESPONSIVENESS OVERHAUL ═══ */
html, body {
  overflow-x: hidden !important;
  width: 100% !important;
}

@media (max-width: 768px) {
  .page-top-bar {
    padding: 4px 0 !important;
  }
  .top-bar-left {
    display: none !important;
  }
  .top-bar-right {
    width: 100% !important;
    justify-content: center !important;
    gap: 14px !important;
    font-size: 11px !important;
  }
  
  .header {
    padding: 4px 0 !important;
  }
  .navbar {
    flex-wrap: nowrap !important;
    justify-content: space-between !important;
    padding: 4px 12px !important;
    gap: 8px !important;
  }
  .logo-container {
    margin-left: 0 !important;
    margin-bottom: 0 !important;
  }
  .logo-container img {
    height: 52px !important;
    max-height: 55px !important;
  }
  
  /* Hide inline nav links on mobile; accessible via ☰ drawer */
  .nav-links {
    display: none !important;
  }
  .mega-menu {
    display: none !important;
  }
  #mobile-menu-toggle {
    display: block !important;
  }

  .nav-actions {
    gap: 6px !important;
  }
  .nav-actions .btn-outline {
    display: none !important;
  }
  .nav-actions .btn-primary {
    font-size: 11px !important;
    padding: 6px 10px !important;
  }

  .hero-full-banner {
    min-height: auto !important;
    padding: 20px 14px !important;
    border-radius: 14px !important;
    margin: 8px 0 !important;
  }
  .hero-banner-content {
    grid-template-columns: 1fr !important;
    gap: 20px !important;
  }
  .hero-overlay-title {
    font-size: 24px !important;
    line-height: 1.25 !important;
  }
  .hero-overlay-desc {
    font-size: 13px !important;
    margin-bottom: 12px !important;
  }

  .calculator-card {
    padding: 14px !important;
    border-radius: 14px !important;
  }
  .calc-row-2col {
    grid-template-columns: 1fr !important;
    gap: 8px !important;
  }
  .form-input, .form-select {
    height: 40px !important;
    font-size: 13px !important;
  }

  .products-grid {
    grid-template-columns: 1fr !important;
    gap: 18px !important;
  }
  .sp-layout-grid {
    grid-template-columns: 1fr !important;
    gap: 20px !important;
  }
  .reviews-bento-grid {
    grid-template-columns: 1fr !important;
    gap: 18px !important;
  }
  .review-bento-card.featured-card {
    grid-column: span 1 !important;
  }

  .trust-grid {
    grid-template-columns: 1fr 1fr !important;
    gap: 12px !important;
  }
  .stats-grid {
    grid-template-columns: 1fr 1fr !important;
    gap: 12px !important;
  }

  body {
    padding-bottom: 60px;
  }
  .sticky-mobile-bar {
    display: flex !important;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(7, 15, 35, 0.96);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    padding: 10px 16px;
    z-index: 999;
    box-shadow: 0 -4px 20px rgba(0,0,0,0.2);
    border-top: 1px solid rgba(224, 159, 62, 0.3);
  }
}

@media (max-width: 480px) {
  .hero-overlay-title {
    font-size: 21px !important;
  }
  .section-title {
    font-size: 22px !important;
  }
  .trust-grid {
    grid-template-columns: 1fr !important;
  }
}

/* ═══ COMPONENT PLACEHOLDERS (CLS PREVENTION) ═══ */
#top-bar-placeholder {
  min-height: 31px;
  display: block;
  background: #070F23;
}
#header-placeholder {
  min-height: 70px;
  display: block;
  background: #FFFFFF;
}
#service-calc-placeholder {
  min-height: 480px;
  display: block;
}
#footer-placeholder {
  min-height: 350px;
  display: block;
  background: #070F23;
}

/* ═══ FULL CONTAINER HERO BANNER & TRANSPARENT THEME ═══ */
.logo-container img {
  background: transparent !important;
  mix-blend-mode: multiply;
}

.hero-full-banner {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 32px 80px rgba(11, 27, 61, 0.28), 0 0 0 1px rgba(224, 159, 62, 0.25);
  background: url('assets/hero_luxury_bg.jpg') center right/cover no-repeat;
  padding: 36px 44px;
  color: #FFFFFF;
  margin-bottom: 0px;
  min-height: calc(100vh - 145px);
  display: flex;
  align-items: center;
  box-sizing: border-box;
}

.hero-full-banner::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: linear-gradient(135deg, rgba(7, 15, 35, 0.88) 0%, rgba(11, 27, 61, 0.72) 45%, rgba(7, 15, 35, 0.85) 100%);
  z-index: 1;
}

.hero-banner-content {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 36px;
  align-items: center;
  width: 100%;
}

.hero-text-card {
  background: rgba(7, 15, 35, 0.78);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(224, 159, 62, 0.35);
  border-radius: 20px;
  padding: 36px;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.12);
}

.hero-overlay-title {
  font-family: var(--font-heading);
  font-size: 44px;
  font-weight: 800;
  line-height: 1.15;
  color: #FFFFFF;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.9);
}

.hero-overlay-title span {
  color: #F59E0B;
  background: linear-gradient(135deg, #FFF0C2 0%, #E09F3E 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 2px 8px rgba(224, 159, 62, 0.4));
}

.hero-overlay-desc {
  font-size: 15.5px;
  color: #F8FAFC;
  margin-bottom: 24px;
  line-height: 1.65;
  max-width: 580px;
  font-weight: 400;
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.8);
}

/* About Us Section Styles */
.about-hero-box {
  background: linear-gradient(135deg, var(--navy-primary) 0%, var(--navy-deep) 100%);
  border-radius: 24px;
  padding: 64px 48px;
  color: #FFFFFF;
  margin: 40px 0 60px;
  text-align: center;
}

.about-grid-3col {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin: 40px 0;
}

.about-card {
  background: #FFFFFF;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.about-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--gold-primary);
}

.about-icon {
  font-size: 36px;
  margin-bottom: 16px;
  display: inline-block;
}

@media (max-width: 1024px) {
  .hero-banner-content {
    grid-template-columns: 1fr;
  }
  .about-grid-3col {
    grid-template-columns: 1fr;
  }
  .hero-overlay-title {
    font-size: 36px;
  }
}

/* ═══ TRIM SIZE GUIDE & FLIPBOOK PREVIEW STYLES ═══ */
.trim-guide-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 32px;
}

.trim-card {
  background: #FFFFFF;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px 20px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.trim-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--gold-primary);
}

.trim-card-badge {
  position: absolute;
  top: 12px; right: 12px;
  background: var(--gold-soft);
  color: var(--navy-primary);
  font-size: 10px;
  font-weight: 800;
  padding: 3px 8px;
  border-radius: var(--radius-pill);
  text-transform: uppercase;
}

.trim-dimensions {
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 800;
  color: var(--navy-primary);
  margin-bottom: 6px;
}

.trim-name {
  font-size: 14px;
  font-weight: 700;
  color: var(--gold-primary);
  margin-bottom: 8px;
}

.trim-use {
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.5;
}

.flipbook-banner {
  background: linear-gradient(135deg, #070F23 0%, #162B56 100%);
  border-radius: 24px;
  padding: 48px;
  color: #FFFFFF;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
  margin: 50px 0;
}

@media (max-width: 1024px) {
  .trim-guide-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .flipbook-banner {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .trim-guide-grid {
    grid-template-columns: 1fr;
  }
}

/* ═══ WORD COUNT TO PAGE COUNT ESTIMATOR ═══ */
.estimator-card-box {
  background: linear-gradient(135deg, #FFFFFF 0%, #F8FAFC 100%);
  border: 2px solid var(--border-color);
  border-radius: 24px;
  padding: 40px;
  box-shadow: var(--shadow-lg);
  margin-top: 32px;
}

.estimator-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 36px;
  align-items: center;
}

.estimator-result-badge {
  background: linear-gradient(135deg, var(--navy-primary), #162B56);
  border-radius: 20px;
  padding: 36px 28px;
  text-align: center;
  color: #FFFFFF;
  box-shadow: 0 16px 40px rgba(11,27,61,0.25);
}

.estimator-result-number {
  font-family: var(--font-heading);
  font-size: 56px;
  font-weight: 800;
  color: var(--gold-primary);
  line-height: 1;
  margin: 12px 0 6px;
}

.estimator-result-label {
  font-size: 14px;
  color: #94A3B8;
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* Vector Pillar Badges (Replacing Emojis) */
.pillar-badge-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: var(--gold-soft);
  color: var(--gold-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  font-weight: 800;
  margin-bottom: 20px;
  border: 1px solid rgba(224,159,62,0.3);
}

/* ═══ TRUST BAR & STATS STRIP FIX ═══ */
.trust-bar {
  background: #FFFFFF;
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  padding: 24px 0;
  width: 100%;
  box-sizing: border-box;
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  align-items: center;
  width: 100%;
  box-sizing: border-box;
}

.trust-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.trust-title {
  font-family: var(--font-heading);
  font-size: 14px;
  font-weight: 700;
  color: var(--navy-primary);
  line-height: 1.3;
}

.trust-sub {
  font-size: 12px;
  color: var(--text-muted);
}

.stats-strip {
  background: var(--navy-primary);
  padding: 36px 0;
  width: 100%;
  color: #FFFFFF;
  box-sizing: border-box;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
  width: 100%;
  box-sizing: border-box;
}

.stat-number {
  font-family: var(--font-heading);
  font-size: 36px;
  font-weight: 800;
  color: var(--gold-primary);
  line-height: 1;
  margin-bottom: 6px;
}

.stat-label {
  font-size: 13px;
  color: #94A3B8;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

@media (max-width: 900px) {
  .estimator-grid {
    grid-template-columns: 1fr;
  }
  .trust-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ═══ 2026 TRENDS TESTIMONIALS & BENTO GRID ═══ */
.reviews-section-2026 {
  background: linear-gradient(180deg, #F8FAFC 0%, #EEF2F6 100%);
  padding: 80px 0;
  position: relative;
  overflow: hidden;
}

.reviews-section-2026::before {
  content: '';
  position: absolute;
  top: -100px;
  right: -100px;
  width: 450px;
  height: 450px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(224,159,62,0.12) 0%, rgba(224,159,62,0) 70%);
  pointer-events: none;
}

.reviews-bento-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 40px;
}

.review-bento-card {
  position: relative;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(226, 232, 240, 0.9);
  border-radius: 24px;
  padding: 32px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: 0 10px 30px rgba(11, 27, 61, 0.05);
  transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  overflow: hidden;
}

.review-bento-card:hover {
  transform: translateY(-8px);
  border-color: var(--gold-primary);
  box-shadow: 0 24px 48px rgba(11, 27, 61, 0.12);
}

.review-bento-card.featured-card {
  grid-column: span 2;
  background: linear-gradient(135deg, #070F23 0%, #162B56 100%);
  color: #FFFFFF;
  border-color: rgba(224, 159, 62, 0.4);
}

.review-quote-watermark {
  position: absolute;
  top: 12px;
  right: 24px;
  font-family: var(--font-heading);
  font-size: 96px;
  line-height: 1;
  color: rgba(224, 159, 62, 0.12);
  user-select: none;
  pointer-events: none;
  font-weight: 900;
}

.review-bento-card.featured-card .review-quote-watermark {
  color: rgba(224, 159, 62, 0.18);
}

.review-card-tags {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.review-tag-pill {
  font-size: 11px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 20px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.review-tag-verified {
  background: rgba(16, 185, 129, 0.12);
  color: #059669;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.featured-card .review-tag-verified {
  background: rgba(16, 185, 129, 0.25);
  color: #34D399;
}

.review-tag-format {
  background: rgba(11, 27, 61, 0.06);
  color: var(--navy-primary);
}

.featured-card .review-tag-format {
  background: rgba(255, 255, 255, 0.15);
  color: #F8FAFC;
}

.review-stars-2026 {
  color: #F59E0B;
  font-size: 16px;
  letter-spacing: 2px;
  margin-bottom: 14px;
  text-shadow: 0 0 12px rgba(245, 158, 11, 0.3);
}

.review-body-text {
  font-size: 15px;
  line-height: 1.65;
  color: var(--text-muted);
  margin-bottom: 24px;
  position: relative;
  z-index: 2;
}

.featured-card .review-body-text {
  font-size: 18px;
  color: #CBD5E1;
  line-height: 1.6;
}

.review-author-row {
  display: flex;
  align-items: center;
  gap: 14px;
  padding-top: 16px;
  border-top: 1px solid rgba(226, 232, 240, 0.8);
}

.featured-card .review-author-row {
  border-top-color: rgba(255, 255, 255, 0.12);
}

.review-avatar-ring {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  padding: 2px;
  background: linear-gradient(135deg, var(--gold-primary), #10B981);
  flex-shrink: 0;
}

.review-avatar-inner {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: var(--navy-primary);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 16px;
}

.review-author-name {
  font-family: var(--font-heading);
  font-size: 15px;
  font-weight: 700;
  color: var(--navy-primary);
}

.featured-card .review-author-name {
  color: #FFFFFF;
}

.review-author-meta {
  font-size: 12px;
  color: var(--text-muted);
}

.featured-card .review-author-meta {
  color: #94A3B8;
}

@media (max-width: 900px) {
  .reviews-bento-grid {
    grid-template-columns: 1fr;
  }
  .review-bento-card.featured-card {
    grid-column: span 1;
  }
}

/* ==========================================================================
   Mobile Optimization & Responsive Performance Enhancements (UK Standard)
   ========================================================================== */
html, body {
  overflow-x: hidden !important;
  width: 100% !important;
  max-width: 100% !important;
  margin: 0;
  padding: 0;
  position: relative;
}
*, *::before, *::after {
  box-sizing: border-box !important;
}

@media (max-width: 1024px) {
  .container {
    padding-left: 12px !important;
    padding-right: 12px !important;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
  }
  .page-top-bar, .top-bar-content, #top-bar-placeholder, #header-placeholder {
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
  }
  .hero-banner-content {
    grid-template-columns: 1fr !important;
    gap: 20px !important;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
  }
  .estimator-grid {
    grid-template-columns: 1fr !important;
    gap: 20px !important;
  }
  .trust-grid {
    grid-template-columns: repeat(2, 1fr) !important;
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr) !important;
  }
  .reviews-bento-grid {
    grid-template-columns: 1fr !important;
  }
  .review-bento-card.featured-card {
    grid-column: span 1 !important;
  }
  .hero-full-banner {
    padding: 16px 12px !important;
    min-height: auto !important;
    border-radius: 14px !important;
    margin: 8px 0 !important;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
    overflow: hidden !important;
  }
  .hero-overlay-title {
    font-size: 22px !important;
    line-height: 1.25 !important;
    word-wrap: break-word !important;
  }
  .hero-overlay-desc {
    font-size: 13px !important;
    margin-bottom: 12px !important;
  }
  .hero-ctas {
    flex-direction: column !important;
    gap: 10px !important;
    width: 100% !important;
  }
  .hero-ctas .btn {
    width: 100% !important;
  }

  /* Button mobile overflow prevention */
  .btn {
    white-space: normal !important;
    word-wrap: break-word !important;
    text-align: center !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
    font-size: 13px !important;
    padding: 10px 14px !important;
    display: inline-flex !important;
    justify-content: center !important;
    min-height: 44px !important;
  }

  /* Calculator & Form Controls */
  .calculator-card {
    padding: 12px 10px !important;
    border-radius: 14px !important;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
    overflow: hidden !important;
  }
  .calc-row-2col {
    grid-template-columns: 1fr !important;
    gap: 6px !important;
    width: 100% !important;
  }
  .form-group {
    min-width: 0 !important;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
  }
  .form-input, .form-select, select, input {
    height: 42px !important;
    font-size: 14px !important;
    width: 100% !important;
    max-width: 100% !important;
    min-width: 0 !important;
    box-sizing: border-box !important;
    text-overflow: ellipsis !important;
  }

  /* Interactive Cards */
  .flipbook-banner {
    grid-template-columns: 1fr !important;
    padding: 20px 12px !important;
    border-radius: 16px !important;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
    overflow: hidden !important;
  }
  .estimator-card-box {
    padding: 16px 12px !important;
    border-radius: 16px !important;
    margin-top: 16px !important;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
    overflow: hidden !important;
  }
  .estimator-grid {
    grid-template-columns: 1fr !important;
    gap: 16px !important;
    width: 100% !important;
  }

  /* Grids */
  .products-grid, .sp-layout-grid, .trim-guide-grid {
    grid-template-columns: 1fr !important;
    gap: 16px !important;
    width: 100% !important;
  }
  .top-bar-content {
    flex-direction: column !important;
    gap: 6px !important;
    text-align: center !important;
    padding: 6px 8px !important;
  }
  .navbar {
    padding: 6px 8px !important;
    width: 100% !important;
  }

  /* Mobile Sticky Bottom CTA Bar */
  .mobile-sticky-cta, .sticky-mobile-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 999;
    background: rgba(11, 27, 61, 0.96);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 8px 12px;
    box-shadow: 0 -4px 20px rgba(0,0,0,0.15);
    display: flex !important;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    border-top: 1px solid rgba(224, 159, 62, 0.3);
  }
  .mobile-sticky-cta .btn, .sticky-mobile-bar .btn {
    flex: 1;
    min-height: 40px !important;
    font-size: 12px !important;
    padding: 6px 8px !important;
  }
}

@media (max-width: 480px) {
  .hero-overlay-title {
    font-size: 20px !important;
  }
  .section-title {
    font-size: 20px !important;
  }
  .trust-grid {
    grid-template-columns: 1fr !important;
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr) !important;
  }
}