/* ═══════════════════════════════════════════════════════════════
   GBS.ai — Ultra-Clean Minimalist Enterprise Design System
   Compact Scale Inspired by Apple, Linear, Stripe, Vercel & Notion
   ═══════════════════════════════════════════════════════════════ */

:root {
  /* Color Tokens — Luxury Paper Soft Yellowish Theme */
  --bg-body: #F7F4EA;
  --bg-card: #FCFAF5;
  --bg-subtle: #EFEAD9;
  --bg-badge: #EBE5D3;
  --bg-hover: #F2ECDC;

  --border-subtle: #E4DDCB;
  --border-medium: #D4CAA8;
  --border-focus: #1C1917;

  --text-primary: #1C1917;
  --text-secondary: #5C564B;
  --text-muted: #8F8674;
  --text-inverse: #FFFFFF;

  --accent-black: #1C1917;
  --accent-gray: #3D3834;
  --accent-light: #EFEAD9;
  --accent-gold: #8B5E14;
  --bg-gold-subtle: #FAF4E5;
  --border-gold-subtle: #E8DAB6;

  /* Typography */
  --font-sans: 'Fira Sans', 'Zilla Slab', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-logo: 'Oxanium', 'Fira Sans', sans-serif;
  --font-mono: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;

  /* Elevation & Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.02);
  --shadow-card: 0 1px 2px rgba(0, 0, 0, 0.02), 0 2px 8px rgba(0, 0, 0, 0.02);
  --shadow-card-hover: 0 4px 14px rgba(0, 0, 0, 0.04);
  --shadow-button: 0 1px 2px rgba(0, 0, 0, 0.05);

  /* Radius */
  --radius-xs: 4px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-xl: 20px;
  --radius-pill: 9999px;

  /* Layout Scale */
  --max-width: 1160px;
  --header-height: 56px;

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.16, 1, 0.3, 1);
  --transition-smooth: 250ms cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  font-family: var(--font-sans);
  font-size: 15px;
  background-color: var(--bg-body);
  color: var(--text-primary);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
}

body {
  overflow-x: hidden;
  background-color: var(--bg-body);
  color: var(--text-primary);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

::selection {
  background-color: var(--accent-black);
  color: #FFFFFF;
}

/* Accessibility Skip Link */
.skip-link {
  position: absolute;
  top: -100px;
  left: 20px;
  background: var(--accent-black);
  color: var(--text-inverse);
  padding: 8px 16px;
  border-radius: var(--radius-xs);
  z-index: 9999;
  font-weight: 500;
  font-size: 0.85rem;
  text-decoration: none;
  transition: top var(--transition-fast);
}
.skip-link:focus {
  top: 14px;
}

/* ─── Container ──────────────────────────────────────────────── */
.container, .section-inner {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

@media (max-width: 768px) {
  .container, .section-inner {
    padding: 0 16px;
  }
}

/* ─── Header & Navigation ────────────────────────────────────── */
.site-header {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  z-index: 1000;
  background: rgba(247, 244, 234, 0.88);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(228, 221, 203, 0.8);
  transition: border-color var(--transition-smooth), background-color var(--transition-smooth);
}

.site-header.is-scrolled {
  background: rgba(247, 244, 234, 0.96);
  border-bottom-color: var(--border-subtle);
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.03);
}

.nav {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  font-family: var(--font-logo);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  transition: opacity var(--transition-fast);
}

.brand:hover {
  opacity: 0.85;
}

.brand-main {
  color: var(--text-primary);
}

.brand-ai {
  color: var(--text-muted);
  font-weight: 500;
  margin-left: 1px;
}

.brand-badge {
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  background: var(--bg-badge);
  color: var(--text-secondary);
  padding: 2px 7px;
  border-radius: var(--radius-pill);
  margin-left: 8px;
  border: 1px solid var(--border-subtle);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
}

.nav-links a:not(.btn) {
  text-decoration: none;
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  transition: color var(--transition-fast);
}

.nav-links a:not(.btn):hover {
  color: var(--text-primary);
}

.nav-cta-group {
  display: flex;
  align-items: center;
  gap: 8px;
}

.menu-button {
  display: none;
  background: transparent;
  border: none;
  width: 34px;
  height: 34px;
  cursor: pointer;
  padding: 6px;
  border-radius: var(--radius-xs);
  flex-direction: column;
  justify-content: center;
  gap: 4px;
}

.menu-button span {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--text-primary);
  border-radius: 2px;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

@media (max-width: 900px) {
  .menu-button {
    display: flex;
  }

  .nav-links {
    position: absolute;
    top: var(--header-height);
    left: 0;
    width: 100%;
    background: var(--bg-card);
    flex-direction: column;
    align-items: flex-start;
    padding: 16px 24px;
    gap: 14px;
    border-bottom: 1px solid var(--border-subtle);
    box-shadow: var(--shadow-card);
    display: none;
  }

  .nav-links.is-open {
    display: flex;
  }

  .nav-cta-group {
    width: 100%;
    flex-direction: column;
    gap: 8px;
    margin-top: 8px;
    padding-top: 12px;
    border-top: 1px solid var(--border-subtle);
  }
  .nav-cta-group .btn {
    width: 100%;
    justify-content: center;
  }
}

/* ─── Buttons (Apple / Linear / Vercel Compact Styling) ───────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-family: var(--font-sans);
  font-size: 0.86rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  padding: 8px 16px;
  border-radius: var(--radius-xs);
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  border: 1px solid transparent;
  white-space: nowrap;
  user-select: none;
}

.btn-primary,
a.btn-primary,
.nav-acquire {
  background-color: var(--accent-black) !important;
  color: var(--text-inverse) !important;
  box-shadow: var(--shadow-button);
}

.btn-primary:hover,
a.btn-primary:hover,
.nav-acquire:hover {
  background-color: #262624 !important;
  color: var(--text-inverse) !important;
  transform: translateY(-1px);
  box-shadow: 0 3px 8px rgba(0, 0, 0, 0.1);
}

.btn-primary:active,
a.btn-primary:active,
.nav-acquire:active {
  transform: translateY(0);
}

@keyframes btnPulse {
  0% { transform: scale(1); box-shadow: 0 0 0 0 rgba(139, 94, 20, 0.6); }
  50% { transform: scale(1.03); box-shadow: 0 0 0 14px rgba(139, 94, 20, 0); }
  100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(139, 94, 20, 0); }
}

.btn-pulse {
  animation: btnPulse 1.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.btn-secondary {
  background-color: var(--bg-card);
  color: var(--text-primary);
  border-color: var(--border-medium);
  box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
  background-color: var(--bg-hover);
  border-color: var(--text-primary);
  transform: translateY(-1px);
  box-shadow: var(--shadow-card);
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border-color: var(--border-subtle);
}

.btn-ghost:hover {
  background-color: var(--bg-subtle);
  color: var(--text-primary);
  border-color: var(--border-medium);
}

.btn-sm {
  padding: 6px 12px;
  font-size: 0.8rem;
  border-radius: var(--radius-xs);
}

.btn-lg {
  padding: 11px 22px;
  font-size: 0.92rem;
  border-radius: var(--radius-sm);
}

/* ─── Hero Section (Compact & Minimal) ───────────────────────── */
.hero {
  padding: 38px 0 24px;
  text-align: center;
  position: relative;
}

.hero-inner {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--text-secondary);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow-sm);
  margin-bottom: 12px;
}

.badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: #10B981;
  display: inline-block;
  box-shadow: 0 0 0 2px rgba(16, 185, 129, 0.15);
}

.hero-title {
  font-family: var(--font-logo);
  font-size: 3.2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.08;
  color: var(--text-primary);
  margin-bottom: 10px;
}

@media (max-width: 768px) {
  .hero-title {
    font-size: 2.2rem;
  }
}

.hero-title-gbs {
  color: var(--text-primary);
}

.hero-title-ai {
  color: var(--text-muted);
  font-weight: 600;
}

.hero-kicker {
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: 8px;
  line-height: 1.3;
}

.hero-copy {
  font-size: 0.92rem;
  color: var(--text-secondary);
  max-width: 560px;
  line-height: 1.5;
  margin-bottom: 18px;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-bottom: 22px;
  flex-wrap: wrap;
}

.hero-price-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: 18px;
}

.hero-price-tag {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--bg-gold-subtle);
  border: 1px solid var(--border-gold-subtle);
  padding: 6px 16px;
  border-radius: var(--radius-pill);
}

.price-strikethrough {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-muted);
  text-decoration: line-through;
  text-decoration-color: #EF4444;
  text-decoration-thickness: 1.8px;
}

.price-arrow {
  color: var(--text-muted);
  font-size: 0.85rem;
}

.hero-price-amount {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
}

.limited-offer-text {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--accent-gold);
  margin-top: 6px;
  letter-spacing: 0.01em;
}

/* Trust Stats Bar */
.trust-stats-bar {
  width: 100%;
  max-width: 760px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  padding: 12px 16px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
}

@media (max-width: 768px) {
  .trust-stats-bar {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
    padding: 10px;
  }
}

.trust-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.trust-stat-val {
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text-primary);
}

.trust-stat-lbl {
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-top: 1px;
}

/* ─── Section Layout (Compact Padding) ───────────────────────── */
.section {
  padding: 38px 0;
  border-top: 1px solid var(--border-subtle);
}

.section-header {
  margin-bottom: 22px;
  max-width: 620px;
}

.section-label {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.section-title {
  font-size: 1.65rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.2;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.section-sub {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* ─── Opportunity Grid ──────────────────────────────────────── */
.reason-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

@media (max-width: 992px) {
  .reason-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 540px) {
  .reason-grid {
    grid-template-columns: 1fr;
  }
}

.reason-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 24px 20px;
  box-shadow: var(--shadow-card);
  transition: transform var(--transition-smooth), box-shadow var(--transition-smooth), border-color var(--transition-smooth);
  display: flex;
  flex-direction: column;
  height: 100%;
}

.reason-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-card-hover);
  border-color: var(--border-medium);
}

.reason-icon {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  background: var(--bg-subtle);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}

.reason-card h3 {
  font-size: 1.0rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.reason-card p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* ─── Buyers Section ─────────────────────────────────────────── */
.buyers-layout {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 40px;
  align-items: start;
}

@media (max-width: 860px) {
  .buyers-layout {
    grid-template-columns: 1fr;
    gap: 28px;
  }
}

.buyer-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.buyer-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  display: flex;
  align-items: flex-start;
  gap: 16px;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-smooth), box-shadow var(--transition-smooth), border-color var(--transition-smooth);
}

.buyer-card:hover {
  transform: translateX(3px);
  box-shadow: var(--shadow-card);
  border-color: var(--border-medium);
}

.buyer-num {
  font-size: 0.8rem;
  font-weight: 700;
  font-family: var(--font-mono);
  color: var(--text-muted);
  background: var(--bg-subtle);
  padding: 4px 9px;
  border-radius: var(--radius-xs);
}

.buyer-card h3 {
  font-size: 0.98rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.015em;
  margin-bottom: 4px;
}

.buyer-card p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.45;
}

/* ─── PDF Research Library (EXACTLY 5 CARDS PER ROW DESKTOP) ─── */
.pdf-library-header {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 24px;
}

.pdf-controls {
  display: flex;
  flex-direction: column;
  gap: 14px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  padding: 14px 16px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.search-box-wrap {
  position: relative;
  width: 100%;
}

.search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
}

.pdf-search-input {
  width: 100%;
  padding: 9px 14px 9px 36px;
  font-family: var(--font-sans);
  font-size: 0.88rem;
  background: var(--bg-body);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xs);
  color: var(--text-primary);
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.pdf-search-input:focus {
  border-color: var(--text-primary);
  box-shadow: 0 0 0 2px rgba(17, 17, 16, 0.08);
}

.filter-pills {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.filter-pill {
  background: transparent;
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  font-family: var(--font-sans);
  font-size: 0.78rem;
  font-weight: 500;
  padding: 5px 12px;
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-pill:hover {
  background: var(--bg-subtle);
  color: var(--text-primary);
}

.filter-pill.active {
  background: var(--accent-black);
  color: var(--text-inverse);
  border-color: var(--accent-black);
}

/* PDF Disclaimer Callout Note */
.pdf-disclaimer {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-left: 3px solid var(--text-primary);
  border-radius: var(--radius-xs);
  padding: 10px 14px;
  margin-bottom: 18px;
  box-shadow: var(--shadow-sm);
}

.pdf-disclaimer-icon {
  color: var(--text-primary);
  flex-shrink: 0;
  margin-top: 2px;
}

.pdf-disclaimer p {
  font-size: 0.8rem;
  color: var(--text-secondary);
  line-height: 1.45;
}

.pdf-disclaimer p strong {
  color: var(--text-primary);
}

/* 5-Column Grid Requirement: □ □ □ □ □ (Compact Scale) */
.pdf-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 12px;
}

@media (max-width: 1100px) {
  .pdf-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (max-width: 860px) {
  .pdf-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 640px) {
  .pdf-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }
}

@media (max-width: 420px) {
  .pdf-grid {
    grid-template-columns: 1fr;
  }
}

.report-card {
  background: var(--bg-card);
  border: 1px solid rgba(220, 220, 212, 0.85);
  border-radius: var(--radius-sm);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  height: 100%;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.03), 0 4px 12px rgba(0, 0, 0, 0.02), 0 8px 24px rgba(0, 0, 0, 0.015);
  transition: transform var(--transition-smooth), box-shadow var(--transition-smooth), border-color var(--transition-smooth);
}

.report-card:hover {
  transform: translateY(-3px);
  border-color: #EAB308;
  box-shadow: 0 0 0 1px #EAB308, 0 0 20px rgba(250, 204, 21, 0.4), 0 8px 28px rgba(0, 0, 0, 0.05);
}

.report-cover-wrapper {
  position: relative;
  width: 100%;
  aspect-ratio: 1.4 / 1;
  background: var(--bg-subtle);
  overflow: hidden;
  border-bottom: 1px solid var(--border-subtle);
}

.report-cover-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
  transition: transform var(--transition-smooth);
}

.report-card:hover .report-cover-img {
  transform: scale(1.03);
}

.report-overlay-badge {
  position: absolute;
  top: 8px;
  right: 8px;
  background: rgba(17, 17, 16, 0.8);
  backdrop-filter: blur(4px);
  color: #FFFFFF;
  font-size: 0.68rem;
  font-weight: 600;
  padding: 2px 6px;
  border-radius: var(--radius-xs);
}

.report-body {
  padding: 12px 14px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.report-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 6px;
}

.report-source {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
}

.report-year {
  font-size: 0.72rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
}

.report-title {
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: -0.015em;
  line-height: 1.3;
  color: var(--text-primary);
  margin-bottom: 6px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.report-summary {
  font-size: 0.78rem;
  color: var(--text-secondary);
  line-height: 1.4;
  margin-bottom: 12px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex-grow: 1;
}

.report-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
  padding-top: 10px;
  border-top: 1px solid var(--border-subtle);
  margin-top: auto;
}

.btn-card-action {
  font-size: 0.74rem;
  font-weight: 600;
  padding: 6px 8px;
  border-radius: var(--radius-xs);
  text-align: center;
}

/* ─── Evidence & References Section (Compact Grid) ────────────── */
.ref-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

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

@media (max-width: 580px) {
  .ref-grid {
    grid-template-columns: 1fr;
  }
}

.ref-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xs);
  padding: 12px 14px;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  text-decoration: none;
  color: var(--text-primary);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
}

.ref-card:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-card);
  border-color: var(--border-medium);
}

/* Special Search More Reference Card */
.ref-card-search {
  background: var(--bg-gold-subtle);
  border: 1px solid var(--border-gold-subtle);
  box-shadow: 0 1px 3px rgba(139, 94, 20, 0.08);
}

.ref-card-search:hover {
  background: #F3E5C8;
  border-color: var(--accent-gold);
  transform: translateY(-2px);
  box-shadow: 0 4px 14px rgba(139, 94, 20, 0.16);
}

.ref-num-search {
  color: var(--accent-gold);
  font-weight: 800;
  font-size: 0.9rem;
}

.ref-num {
  font-size: 0.72rem;
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--text-muted);
  margin-top: 1px;
}

.ref-body {
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.ref-source {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  margin-bottom: 2px;
}

.ref-title {
  font-size: 0.82rem;
  font-weight: 600;
  line-height: 1.3;
  color: var(--text-primary);
}

.ref-arrow {
  color: var(--text-muted);
  flex-shrink: 0;
  margin-top: 1px;
  transition: color var(--transition-fast), transform var(--transition-fast);
}

.ref-card:hover .ref-arrow {
  color: var(--text-primary);
  transform: translate(2px, -2px);
}

/* ─── Acquisition Section ───────────────────────────────────── */
.acquire-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 36px;
  align-items: center;
}

@media (max-width: 860px) {
  .acquire-layout {
    grid-template-columns: 1fr;
  }
}

.acquire-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 28px;
  box-shadow: var(--shadow-card);
}

.acquire-features {
  list-style: none;
  margin: 18px 0 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.acquire-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.88rem;
  color: var(--text-secondary);
}

.acquire-features svg {
  color: #10B981;
  flex-shrink: 0;
}

.price-display-wrap {
  text-align: center;
  background: var(--bg-subtle);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 16px;
  margin-bottom: 16px;
}

.price-original-line {
  margin-bottom: 4px;
}

.price-buy-now-line {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 8px;
}

.price-buy-label {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

.price-val {
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  color: var(--text-primary);
  line-height: 1;
}

/* ─── Footer ─────────────────────────────────────────────────── */
.footer {
  border-top: 1px solid var(--border-subtle);
  padding: 40px 0 28px;
  background: var(--bg-card);
}

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

.footer-tagline {
  font-size: 0.88rem;
  color: var(--text-secondary);
}

.footer-email {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.86rem;
  color: var(--text-primary);
  font-weight: 600;
  text-decoration: none;
  padding: 6px 14px;
  background: var(--bg-subtle);
  border-radius: var(--radius-pill);
  transition: background var(--transition-fast);
}

.footer-email:hover {
  background: var(--border-subtle);
}

.copyright {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 8px;
}

/* ─── Scroll Reveal Animations ───────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 500ms cubic-bezier(0.16, 1, 0.3, 1), transform 500ms cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ─── Mobile & Tablet Responsive Optimizations ───────────────── */

/* Tablet Optimization (769px to 1024px) */
@media (max-width: 1024px) {
  .container {
    padding: 0 20px;
  }

  .hero-title {
    font-size: 2.6rem;
  }

  .acquire-layout {
    grid-template-columns: 1fr;
    gap: 28px;
  }
}

/* Mobile & Small Tablet Optimization (max-width: 768px) */
@media (max-width: 768px) {
  .hero {
    padding: 30px 0 20px;
  }

  .hero-title {
    font-size: 2.1rem;
  }

  .hero-kicker {
    font-size: 1.05rem;
  }

  .hero-copy {
    font-size: 0.88rem;
    padding: 0 8px;
  }

  .hero-actions {
    flex-direction: column;
    width: 100%;
  }

  .hero-actions .btn {
    width: 100%;
    justify-content: center;
  }

  .trust-stats-bar {
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
    padding: 10px 12px;
  }

  .trust-stat-val {
    font-size: 1.05rem;
  }

  .trust-stat-lbl {
    font-size: 0.65rem;
  }

  .section {
    padding: 30px 0;
  }

  .section-title {
    font-size: 1.45rem;
  }

  .section-sub {
    font-size: 0.86rem;
  }

  .pdf-disclaimer {
    padding: 10px 12px;
  }

  .pdf-disclaimer p {
    font-size: 0.76rem;
  }

  .price-val {
    font-size: 2.1rem;
  }

  .price-buy-label {
    font-size: 1.0rem;
  }
}

/* Small Mobile Screen Optimization (max-width: 480px) */
@media (max-width: 480px) {
  .container {
    padding: 0 12px;
  }

  .hero-title {
    font-size: 1.8rem;
  }

  .hero-badge {
    font-size: 0.72rem;
    padding: 4px 10px;
  }

  .hero-price-tag {
    flex-direction: column;
    gap: 4px;
    padding: 8px 14px;
    border-radius: var(--radius-md);
  }

  .price-arrow {
    display: none;
  }

  .reason-card {
    padding: 16px 14px;
  }

  .report-card {
    border-radius: var(--radius-xs);
  }

  .report-body {
    padding: 10px;
  }

  .report-title {
    font-size: 0.85rem;
  }

  .report-summary {
    font-size: 0.75rem;
    -webkit-line-clamp: 2;
  }

  .report-actions {
    flex-direction: column;
    gap: 4px;
  }

  .ref-card {
    padding: 10px 12px;
  }

  .footer {
    padding: 24px 0 16px;
  }
}