/**
 * ============================================================================
 * UNITED SAW SERVICES — HYDERABAD
 * DEDICATED COMPANY BROCHURE 3D FLIPBOOK COMPLETE STYLESHEET
 * Features 3D page curl rotation physics, spine highlights, bundle paper stacks,
 * full-bleed brochure page displays, toolbar controls, specification cards,
 * and responsive layout.
 * ============================================================================
 */

:root {
  --brochure-stage-bg: radial-gradient(circle at 50% 30%, #1a222c 0%, #0d1217 100%);
  --brochure-gold: #fb6c03;
  --brochure-gold-hover: #e55e00;
  --brochure-charcoal: #25292c;
  --brochure-ink: #0f141a;
  --brochure-page-ratio: 1.414; /* Standard A4 ratio */
}

/* ==========================================================================
   GLOBAL PAGE CONTAINER & BREADCRUMB
   ========================================================================== */
.brochure-page-main {
  background: #0f141a;
  color: #ffffff;
  overflow-x: hidden;
  min-height: 100vh;
}

.site-container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 20px;
  box-sizing: border-box;
}

.breadcrumb-nav {
  background: #171c22;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding: 12px 0;
  font-size: 0.85rem;
}

.breadcrumb-list {
  display: flex;
  align-items: center;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: 10px;
  flex-wrap: wrap;
}

.breadcrumb-item a {
  color: #adb5bd;
  text-decoration: none;
  transition: color 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.breadcrumb-item a:hover {
  color: #fb6c03;
}

.breadcrumb-separator {
  color: rgba(255, 255, 255, 0.25);
  font-size: 0.7rem;
}

.breadcrumb-item.active {
  color: #fb6c03;
  font-weight: 600;
}

/* ==========================================================================
   BROCHURE HERO INTRO & CONTROLS TOOLBAR
   ========================================================================== */
.brochure-hero {
  background: var(--brochure-ink);
  color: #ffffff;
  padding: 24px 0 16px;
  position: relative;
  border-bottom: 1px solid rgba(251, 108, 3, 0.25);
}

.brochure-hero-inner {
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
  padding: 0 16px;
}

.brochure-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #fb6c03;
  margin-bottom: 6px;
}

.brochure-eyebrow::before,
.brochure-eyebrow::after {
  content: "";
  width: 18px;
  height: 2px;
  background: #fb6c03;
}

.brochure-title {
  font-family: var(--font-heading, 'Montserrat', sans-serif);
  font-size: clamp(1.6rem, 2.6vw, 2.2rem);
  font-weight: 800;
  color: #ffffff;
  margin: 0 0 6px;
  line-height: 1.2;
}

.brochure-title span {
  color: #fb6c03;
}

.brochure-subtitle {
  font-size: 0.90rem;
  color: #c4cacf;
  max-width: 720px;
  margin: 0 auto;
  line-height: 1.55;
}

/* Toolbar Controls */
.brochure-toolbar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 22px;
}

.brochure-tool-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 18px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 6px;
  color: #ffffff;
  font-size: 0.86rem;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.22s ease;
}

.brochure-tool-btn:hover {
  background: #fb6c03;
  border-color: #fb6c03;
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: 0 4px 14px rgba(251, 108, 3, 0.4);
}

.brochure-tool-btn.primary {
  background: #fb6c03;
  border-color: #fb6c03;
}

.brochure-tool-btn.primary:hover {
  background: #e55e00;
  border-color: #e55e00;
}

.brochure-tool-btn.muted {
  opacity: 0.6;
  border-color: rgba(255, 255, 255, 0.15);
}

.brochure-page-counter {
  font-size: 0.84rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: #ffffff;
  background: rgba(251, 108, 3, 0.15);
  border: 1px solid rgba(251, 108, 3, 0.4);
  padding: 9px 18px;
  border-radius: 6px;
  white-space: nowrap;
}

.toolbar-divider {
  width: 1px;
  height: 28px;
  background: rgba(255, 255, 255, 0.18);
  margin: 0 4px;
}

/* ==========================================================================
   BROCHURE TABS SELECTOR BAR
   ========================================================================== */
.brochure-tabs-bar {
  background: #171c22;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding: 14px 0;
  position: sticky;
  top: 72px;
  z-index: 50;
  box-shadow: 0 4px 18px rgba(0, 0, 0, 0.35);
}

.brochure-tabs-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 20px;
  overflow-x: auto;
  scrollbar-width: thin;
}

.brochure-tabs-inner::-webkit-scrollbar {
  height: 4px;
}

.brochure-tabs-inner::-webkit-scrollbar-thumb {
  background: #fb6c03;
  border-radius: 4px;
}

.brochure-tab {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 18px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  color: #adb5bd;
  cursor: pointer;
  transition: all 0.22s ease;
  white-space: nowrap;
  text-align: left;
}

.brochure-tab i {
  font-size: 1.15rem;
  color: #fb6c03;
  transition: transform 0.22s ease;
}

.tab-text-wrap {
  display: flex;
  flex-direction: column;
}

.tab-label {
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  color: #fb6c03;
  text-transform: uppercase;
}

.tab-title {
  font-size: 0.86rem;
  font-weight: 600;
  color: #e2e8f0;
}

.brochure-tab:hover,
.brochure-tab.active {
  background: rgba(251, 108, 3, 0.15);
  border-color: #fb6c03;
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(251, 108, 3, 0.25);
}

.brochure-tab.active .tab-title {
  color: #ffffff;
  font-weight: 700;
}

.brochure-tab:hover i,
.brochure-tab.active i {
  transform: scale(1.15);
  color: #fb6c03;
}

/* ==========================================================================
   3D REALISTIC BROCHURE FLIPBOOK STAGE
   ========================================================================== */
.brochure-stage-wrapper {
  padding: 20px 0 28px;
  background: var(--brochure-stage-bg);
  position: relative;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.df-brochure-stage {
  position: relative;
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  perspective: 2400px;
  -webkit-perspective: 2400px;
  background: radial-gradient(circle at 50% 38%, #1f2937 0%, #0b1120 100%);
  border-radius: 16px;
  padding: 24px 36px 22px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.45);
}

/* Ground shadow */
.df-book-ground-shadow {
  position: absolute;
  bottom: -20px;
  left: 5%;
  width: 90%;
  height: 40px;
  background: radial-gradient(ellipse at center, rgba(0, 0, 0, 0.75) 0%, rgba(0, 0, 0, 0) 75%);
  z-index: 1;
  pointer-events: none;
}

/* Margin Nav Chevrons */
.df-stage-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(15, 20, 26, 0.95);
  border: 1.5px solid rgba(251, 108, 3, 0.6);
  color: #fb6c03;
  font-size: 1.12rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 45;
  transition: all 0.22s ease;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.55);
}

.df-stage-prev {
  left: -24px;
}

.df-stage-next {
  right: -24px;
}

.df-stage-nav:hover {
  background: #fb6c03;
  color: #ffffff;
  border-color: #fb6c03;
  transform: translateY(-50%) scale(1.1);
  box-shadow: 0 10px 28px rgba(251, 108, 3, 0.65);
}

/* Physical Book Shell — Extended Broad Width (1040px) & Balanced Screen Height */
.df-book-shell {
  position: relative;
  width: 100%;
  max-width: 1040px;
  height: clamp(480px, 62vh, 600px);
  margin: 0 auto;
  box-shadow: 
    0 30px 65px -15px rgba(0, 0, 0, 0.85),
    0 12px 28px rgba(0, 0, 0, 0.6);
  border-radius: 6px;
  background: #0b1120;
}

.df-book-block {
  position: relative;
  width: 100%;
  height: 100%;
  transform-style: preserve-3d;
}

/* Layered Paper Bundle Stacks (Physical Book Thickness) */
.df-bundle-stack {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 16px;
  z-index: 8;
  pointer-events: none;
}

.df-bundle-left {
  left: -12px;
}

.df-bundle-right {
  right: -12px;
}

.bundle-leaf {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 100%;
  border-radius: 4px 0 0 4px;
}

.df-bundle-left .leaf-1 { left: -3px; top: 3px; bottom: 3px; background: #e2e8f0; }
.df-bundle-left .leaf-2 { left: -6px; top: 6px; bottom: 6px; background: #cbd5e1; }
.df-bundle-left .leaf-3 { left: -9px; top: 9px; bottom: 9px; background: #94a3b8; }
.df-bundle-left .leaf-4 { left: -12px; top: 12px; bottom: 12px; background: #64748b; }

.df-bundle-right .bundle-leaf { border-radius: 0 4px 4px 0; }
.df-bundle-right .leaf-1 { right: -3px; top: 3px; bottom: 3px; background: #e2e8f0; }
.df-bundle-right .leaf-2 { right: -6px; top: 6px; bottom: 6px; background: #cbd5e1; }
.df-bundle-right .leaf-3 { right: -9px; top: 9px; bottom: 9px; background: #94a3b8; }
.df-bundle-right .leaf-4 { right: -12px; top: 12px; bottom: 12px; background: #64748b; }

.bundle-edge-shadow {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 100%;
  box-shadow: inset 0 0 10px rgba(0, 0, 0, 0.4);
}

/* Center Spine Binding Crease */
.df-center-spine {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 36px;
  transform: translateX(-50%);
  z-index: 25;
  pointer-events: none;
  background: linear-gradient(
    90deg,
    rgba(0, 0, 0, 0.4) 0%,
    rgba(0, 0, 0, 0.1) 35%,
    rgba(255, 255, 255, 0.4) 50%,
    rgba(0, 0, 0, 0.1) 65%,
    rgba(0, 0, 0, 0.4) 100%
  );
  box-shadow: 
    inset 1px 0 2px rgba(0,0,0,0.3),
    inset -1px 0 2px rgba(0,0,0,0.3);
}

.spine-highlight {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 2px;
  transform: translateX(-50%);
  background: rgba(255, 255, 255, 0.4);
}

/* Spreads Container & Spreads */
.df-spreads-container {
  position: relative;
  width: 100%;
  height: 100%;
  overflow: hidden;
  border-radius: 6px;
}

.df-spread {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex !important;
  opacity: 0;
  visibility: hidden;
  pointer-events: none !important;
  z-index: 5;
}

.df-spread.active {
  position: relative;
  opacity: 1;
  visibility: visible;
  pointer-events: auto !important;
  z-index: 15;
}

/* Page Components */
.df-page {
  flex: 1 1 50%;
  width: 50%;
  height: 100%;
  position: relative;
  background: #ffffff;
  overflow: hidden;
  display: flex;
}

.df-page-left {
  border-radius: 6px 0 0 6px;
  border-right: 1px solid rgba(0, 0, 0, 0.2);
  box-shadow: inset -16px 0 25px -10px rgba(0, 0, 0, 0.35);
}

.df-page-right {
  border-radius: 0 6px 6px 0;
  border-left: 1px solid rgba(0, 0, 0, 0.2);
  box-shadow: inset 16px 0 25px -10px rgba(0, 0, 0, 0.35);
}

/* Full-Bleed Brochure Page Container */
.brochure-page-container {
  width: 100%;
  height: 100%;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #111416;
}

.brochure-page-img {
  width: 100%;
  height: 100%;
  object-fit: fill;
  display: block;
}

/* 3D Turning Page Leaf (Dynamic Curl & Realistic Light Sweep) */
.df-turning-page {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 50%;
  height: 100%;
  z-index: 40;
  pointer-events: none !important;
  transform-style: preserve-3d;
  display: none !important;
  will-change: transform;
  box-shadow: 0 20px 45px rgba(0, 0, 0, 0.6);
}

.df-turning-page.flipping {
  display: block !important;
}

.df-turning-face {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  overflow: hidden;
  background: #111416;
}

.df-turning-front {
  transform: rotateY(0deg);
  z-index: 2;
}

.df-turning-back {
  transform: rotateY(180deg);
  z-index: 1;
}

.df-turning-face img {
  width: 100%;
  height: 100%;
  object-fit: fill;
  display: block;
}

.df-turning-shadow {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 100%;
  pointer-events: none;
  opacity: 0;
}

/* Seamless 3D Dual-Page Flip Underlays */
.df-spread.df-turning-from-left {
  position: absolute !important;
  top: 0 !important;
  left: 0 !important;
  width: 50% !important;
  opacity: 1 !important;
  visibility: visible !important;
  z-index: 20 !important;
  pointer-events: none !important;
  overflow: hidden !important;
}

.df-spread.df-turning-from-left .df-page-left {
  width: 100% !important;
}

.df-spread.df-turning-from-left .df-page-right {
  display: none !important;
}

.df-spread.df-turning-from-right {
  position: absolute !important;
  top: 0 !important;
  left: 50% !important;
  width: 50% !important;
  opacity: 1 !important;
  visibility: visible !important;
  z-index: 20 !important;
  pointer-events: none !important;
  overflow: hidden !important;
}

.df-spread.df-turning-from-right .df-page-right {
  width: 100% !important;
}

.df-spread.df-turning-from-right .df-page-left {
  display: none !important;
}

/* Zoom Mode */
.df-is-zoomed .df-book-shell {
  transform: scale(1.15);
  transition: transform 0.3s ease;
  z-index: 35;
}

/* Fullscreen Mode */
.df-brochure-stage:fullscreen {
  width: 100vw !important;
  height: 100vh !important;
  max-width: 100vw !important;
  border-radius: 0 !important;
  padding: 30px 40px !important;
  display: flex !important;
  flex-direction: column !important;
  justify-content: center !important;
  align-items: center !important;
  background: radial-gradient(circle at 50% 40%, #17202e 0%, #060911 100%) !important;
}

.df-brochure-stage:fullscreen .df-book-shell {
  max-width: 1200px;
  min-height: 80vh;
}

/* Minimalist Spread Indicator Below Book */
.df-spread-pager {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-top: 16px;
  z-index: 10;
}

.spread-indicator-pill {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.16);
  color: #adb5bd;
  padding: 6px 18px;
  border-radius: 20px;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: all 0.22s ease;
}

.spread-indicator-pill:hover,
.spread-indicator-pill.active {
  background: #fb6c03;
  border-color: #fb6c03;
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(251, 108, 3, 0.4);
}

/* ==========================================================================
   DETAILED BROCHURE TRANSCRIPTION & SPECIFICATION CARDS
   ========================================================================== */
.brochure-details-section {
  padding: 75px 0 85px;
  background: #ffffff;
  color: #25292c;
}

.section-header {
  margin-bottom: 45px;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #fb6c03;
  background: rgba(251, 108, 3, 0.1);
  padding: 5px 14px;
  border-radius: 20px;
  margin-bottom: 12px;
}

.section-h2 {
  font-family: var(--font-heading, 'Montserrat', sans-serif);
  font-size: clamp(1.8rem, 3.2vw, 2.6rem);
  font-weight: 800;
  color: #171c22;
  margin: 0 0 12px;
}

.header-divider {
  width: 60px;
  height: 3px;
  background: #fb6c03;
  margin: 0 auto 16px;
  border-radius: 2px;
}

.section-intro {
  font-size: 1.02rem;
  color: #64748b;
  max-width: 760px;
  margin: 0 auto;
  line-height: 1.65;
}

/* Details Grid & Cards */
.details-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.details-card {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.05);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  display: flex;
  flex-direction: column;
}

.details-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.1);
  border-color: rgba(251, 108, 3, 0.4);
}

.details-card-header {
  background: linear-gradient(135deg, #171c22 0%, #25292c 100%);
  color: #ffffff;
  padding: 24px 28px;
  border-bottom: 3px solid #fb6c03;
}

.details-badge {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  color: #fb6c03;
  text-transform: uppercase;
  margin-bottom: 6px;
}

.details-title {
  font-family: var(--font-heading, 'Montserrat', sans-serif);
  font-size: 1.35rem;
  font-weight: 800;
  color: #ffffff;
  margin: 0 0 6px;
}

.details-tagline {
  font-size: 0.85rem;
  color: #cbd5e1;
  font-style: italic;
  margin: 0;
}

.details-card-body {
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  flex: 1;
  font-size: 0.94rem;
  line-height: 1.65;
  color: #475569;
}

.specs-subheading {
  font-size: 1.05rem;
  font-weight: 700;
  color: #171c22;
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 10px 0 8px;
}

.specs-subheading i {
  color: #fb6c03;
  font-size: 1rem;
}

.specs-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.specs-list li {
  position: relative;
  padding-left: 20px;
  color: #334155;
  line-height: 1.55;
}

.specs-list li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 9px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #fb6c03;
}

.specs-list.compact {
  gap: 7px;
}

.specs-list.compact li {
  font-size: 0.9rem;
}

/* Machine blocks */
.machine-block {
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-left: 3.5px solid #fb6c03;
  border-radius: 6px;
  padding: 16px 18px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.machine-block p {
  margin: 0;
  font-size: 0.9rem;
  color: #475569;
}

/* Official Contacts Box inside Page 1 Card */
.official-contacts-box {
  background: linear-gradient(135deg, #0f141a 0%, #1e2631 100%);
  color: #e2e8f0;
  border-radius: 8px;
  padding: 20px 22px;
  margin-top: 10px;
  border-left: 4px solid #fb6c03;
}

.contacts-heading {
  font-size: 1rem;
  font-weight: 700;
  color: #ffffff;
  margin: 0 0 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.contacts-heading i {
  color: #fb6c03;
}

.official-contacts-box p {
  margin: 0 0 8px;
  font-size: 0.88rem;
  line-height: 1.5;
  color: #cbd5e1;
}

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

.official-contacts-box a {
  color: #fb6c03;
  text-decoration: none;
  font-weight: 600;
}

.official-contacts-box a:hover {
  text-decoration: underline;
  color: #ff9138;
}

/* Chemical Mortar Brands Strip */
.chemical-brands-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 8px;
}

.chemical-pill {
  background: #f1f5f9;
  border: 1px solid #cbd5e1;
  color: #1e293b;
  padding: 5px 12px;
  border-radius: 20px;
  font-size: 0.82rem;
  font-weight: 600;
  display: inline-block;
  transition: all 0.2s ease;
}

.chemical-pill:hover {
  background: #fb6c03;
  color: #ffffff;
  border-color: #fb6c03;
}

/* 9-Photo Project Gallery Grid */
.high-risk-gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 12px;
}

.gallery-photo-item {
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
  padding: 12px 14px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.gallery-photo-item:hover {
  transform: translateY(-2px);
  border-color: #fb6c03;
  background: #fff8f2;
}

.photo-idx {
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: #fb6c03;
}

.photo-desc {
  font-size: 0.82rem;
  font-weight: 600;
  color: #334155;
  line-height: 1.4;
}

/* Quality Pledge Banner */
.quality-pledge-banner {
  background: linear-gradient(135deg, rgba(251, 108, 3, 0.1) 0%, rgba(251, 108, 3, 0.03) 100%);
  border: 1px solid rgba(251, 108, 3, 0.35);
  border-radius: 8px;
  padding: 16px 20px;
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 12px;
}

.quality-pledge-banner i {
  font-size: 1.8rem;
  color: #fb6c03;
  flex-shrink: 0;
}

.quality-pledge-banner strong {
  display: block;
  font-size: 0.88rem;
  color: #171c22;
  margin-bottom: 2px;
}

.quality-pledge-banner span {
  font-size: 0.84rem;
  color: #475569;
  line-height: 1.5;
}

/* ==========================================================================
   BOTTOM CONVERSION CTA STRIP
   ========================================================================== */
.brochure-cta-strip {
  background: #0f141a;
  padding: 70px 0;
  border-top: 2px solid rgba(251, 108, 3, 0.3);
}

.cta-inner-card {
  background: linear-gradient(135deg, #171c22 0%, #25292c 100%);
  border: 1px solid rgba(251, 108, 3, 0.3);
  border-radius: 16px;
  padding: 44px 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 36px;
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.4);
}

.cta-text-side {
  max-width: 620px;
}

.cta-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #fb6c03;
  margin-bottom: 12px;
}

.cta-title {
  font-family: var(--font-heading, 'Montserrat', sans-serif);
  font-size: clamp(1.6rem, 2.8vw, 2.2rem);
  font-weight: 800;
  color: #ffffff;
  margin: 0 0 14px;
  line-height: 1.25;
}

.cta-desc {
  font-size: 0.98rem;
  color: #cbd5e1;
  margin: 0;
  line-height: 1.6;
}

.cta-buttons-side {
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex-shrink: 0;
  min-width: 260px;
}

.cta-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 24px;
  border-radius: 6px;
  font-size: 0.92rem;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.22s ease;
  text-align: center;
}

.btn-whatsapp {
  background: #25d366 !important;
  color: #ffffff !important;
  border: 1.5px solid #25d366 !important;
}

.btn-whatsapp:hover {
  background: #1eb954 !important;
  border-color: #1eb954 !important;
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(37, 211, 102, 0.4);
}

/* ==========================================================================
   RESPONSIVE BREAKPOINTS
   ========================================================================== */
@media (max-width: 991px) {
  .df-brochure-stage {
    padding: 20px 24px 20px;
    max-width: 100%;
  }
  .df-book-shell {
    max-width: 100%;
    height: clamp(420px, 56vh, 520px);
  }
  .details-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .cta-inner-card {
    flex-direction: column;
    text-align: center;
    padding: 32px 24px;
  }
  .cta-text-side {
    max-width: 100%;
  }
  .cta-buttons-side {
    width: 100%;
    min-width: auto;
  }
  .high-risk-gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .df-stage-prev { left: -14px; }
  .df-stage-next { right: -14px; }
}

@media (max-width: 768px) {
  .brochure-tabs-bar {
    top: 60px;
  }
  .df-stage-nav {
    display: none !important;
  }
  .df-bundle-stack,
  .df-center-spine,
  .df-turning-page {
    display: none !important;
  }
  .df-book-shell {
    aspect-ratio: auto;
    min-height: auto;
    background: transparent;
    box-shadow: none;
  }
  .df-spreads-container {
    height: auto;
    overflow: visible;
  }
  .df-spread {
    position: static !important;
    opacity: 1 !important;
    visibility: visible !important;
    display: flex !important;
    flex-direction: column !important;
    gap: 20px;
    height: auto !important;
  }
  .df-page {
    width: 100% !important;
    flex: 1 1 100% !important;
    border-radius: 8px !important;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4) !important;
  }
  .brochure-page-container {
    aspect-ratio: 1 / 1.414;
    border-radius: 8px;
    overflow: hidden;
  }
  .high-risk-gallery-grid {
    grid-template-columns: 1fr;
  }
  .df-spread-pager {
    display: none !important;
  }
}