/* ==========================================================================
   ARCrefinelift™ Flagship Landing Page Stylesheet
   Designed for JuYi Aesthetics | High-Converting Luxury Aesthetic Architecture
   ========================================================================== */

:root {
  --arc-navy-deep: #0a1e33;
  --arc-navy-primary: #0e2a47;
  --arc-navy-light: #163a5f;
  --arc-gold-primary: #c5a059;
  --arc-gold-light: #e0c283;
  --arc-gold-dark: #a3813e;
  --arc-text-white: #ffffff;
  --arc-text-muted: #94a3b8;
  --arc-text-dark: #1e293b;
  --arc-bg-light: #f8fafc;
  --arc-border-gold: rgba(197, 160, 89, 0.35);
  --arc-card-bg: rgba(14, 42, 71, 0.85);
  --arc-radius: 12px;
  --arc-transition: all 0.35s cubic-bezier(0.25, 0.8, 0.25, 1);
}

body.arcrefine_landing_body {
  margin: 0;
  padding: 0;
  background-color: var(--arc-navy-deep);
  color: #f1f5f9;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

.arc_container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
  box-sizing: border-box;
}

/* 1. Minimalist High-Converting Header */
.arc_header {
  position: sticky;
  top: 0;
  width: 100%;
  z-index: 9999;
  background: rgba(10, 30, 51, 0.95);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--arc-border-gold);
  padding: 14px 0;
}

.arc_header_wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.arc_brand_group {
  display: flex;
  align-items: center;
  gap: 16px;
  text-decoration: none;
}

.arc_brand_logo {
  height: 42px;
  width: auto;
  filter: brightness(0) invert(1);
}

.arc_brand_text {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 1.25rem;
  font-weight: 700;
  color: #ffffff;
  letter-spacing: 0.5px;
}

.arc_ig_badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: rgba(197, 160, 89, 0.12);
  border: 1px solid var(--arc-border-gold);
  border-radius: 20px;
  font-size: 11.5px;
  font-weight: 600;
  color: var(--arc-gold-light);
  letter-spacing: 0.5px;
}

.arc_ig_badge svg {
  width: 14px;
  height: 14px;
  fill: #3897f0;
}

.arc_header_actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.arc_back_link {
  color: #cbd5e1;
  font-size: 12px;
  font-weight: 600;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border-radius: 20px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  transition: var(--arc-transition);
}

.arc_back_link:hover {
  color: #ffffff;
  border-color: #ffffff;
  background: rgba(255, 255, 255, 0.1);
}

.arc_cta_header_btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, #c5a059 0%, #e0c283 50%, #c5a059 100%);
  color: var(--arc-navy-deep);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  text-decoration: none;
  padding: 9px 18px;
  border-radius: 20px;
  box-shadow: 0 4px 15px rgba(197, 160, 89, 0.35);
  transition: var(--arc-transition);
}

.arc_cta_header_btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(197, 160, 89, 0.5);
}

/* 2. Hero Section */
.arc_hero_section {
  position: relative;
  padding: 90px 0 100px 0;
  background: radial-gradient(circle at 70% 30%, rgba(22, 58, 95, 0.6) 0%, rgba(10, 30, 51, 1) 70%);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  overflow: hidden;
}

.arc_hero_section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%23c5a059' fill-opacity='0.03' fill-rule='evenodd'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/svg%3E");
  pointer-events: none;
  opacity: 0.8;
}

.arc_hero_grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 50px;
  align-items: center;
  position: relative;
  z-index: 2;
}

.arc_badge_tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: rgba(197, 160, 89, 0.15);
  border: 1px solid var(--arc-gold-primary);
  border-radius: 4px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--arc-gold-light);
  margin-bottom: 24px;
}

.arc_hero_title {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 3.4rem;
  line-height: 1.15;
  font-weight: 700;
  color: #ffffff;
  margin: 0 0 16px 0;
}

.arc_hero_title span {
  background: linear-gradient(135deg, #ffffff 0%, #e0c283 50%, #c5a059 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.arc_hero_subtitle {
  font-size: 1.25rem;
  font-weight: 400;
  color: var(--arc-gold-light);
  font-family: 'Playfair Display', Georgia, serif;
  font-style: italic;
  margin-bottom: 20px;
  line-height: 1.5;
}

.arc_hero_desc {
  font-size: 1rem;
  line-height: 1.7;
  color: #cbd5e1;
  max-width: 620px;
  margin-bottom: 35px;
}

.arc_hero_actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  align-items: center;
}

.arc_primary_btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 16px 32px;
  background: linear-gradient(135deg, #c5a059 0%, #dfbf7f 100%);
  color: var(--arc-navy-deep);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  border-radius: 4px;
  text-decoration: none;
  box-shadow: 0 8px 25px rgba(197, 160, 89, 0.3);
  transition: var(--arc-transition);
}

.arc_primary_btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 30px rgba(197, 160, 89, 0.45);
  background: #ffffff;
  color: var(--arc-navy-deep);
}

.arc_secondary_btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 15px 30px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: #ffffff;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  border-radius: 4px;
  text-decoration: none;
  transition: var(--arc-transition);
}

.arc_secondary_btn:hover {
  background: rgba(255, 255, 255, 0.2);
  border-color: #ffffff;
  transform: translateY(-3px);
}

/* Hero Right Visual Card */
.arc_hero_visual_card {
  background: linear-gradient(145deg, rgba(22, 58, 95, 0.6) 0%, rgba(10, 30, 51, 0.9) 100%);
  border: 1px solid var(--arc-border-gold);
  border-radius: var(--arc-radius);
  padding: 30px;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.4);
  position: relative;
}

.arc_hero_stats_list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-top: 24px;
}

.arc_stat_box {
  background: rgba(14, 42, 71, 0.7);
  border: 1px solid rgba(197, 160, 89, 0.25);
  border-radius: 8px;
  padding: 20px 18px;
  text-align: center;
}

.arc_stat_number {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--arc-gold-light);
  line-height: 1;
  margin-bottom: 6px;
}

.arc_stat_label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: #cbd5e1;
}

/* 3. Section Titles */
.arc_section_header {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 60px auto;
}

.arc_sec_tag {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--arc-gold-primary);
  margin-bottom: 12px;
}

.arc_sec_title {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 2.5rem;
  font-weight: 600;
  color: #ffffff;
  margin: 0 0 16px 0;
  line-height: 1.25;
}

.arc_sec_desc {
  font-size: 1rem;
  color: #94a3b8;
  line-height: 1.7;
}

/* 4. The Science of ARC Section */
.arc_science_section {
  padding: 100px 0;
  background: #091726;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.arc_pillars_grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.arc_pillar_card {
  background: linear-gradient(180deg, rgba(22, 58, 95, 0.4) 0%, rgba(14, 42, 71, 0.7) 100%);
  border: 1px solid rgba(197, 160, 89, 0.25);
  border-radius: var(--arc-radius);
  padding: 40px 30px;
  position: relative;
  transition: var(--arc-transition);
}

.arc_pillar_card:hover {
  transform: translateY(-8px);
  border-color: var(--arc-gold-primary);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.arc_pillar_letter {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: rgba(197, 160, 89, 0.15);
  border: 1.5px solid var(--arc-gold-primary);
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--arc-gold-light);
  margin-bottom: 22px;
}

.arc_pillar_name {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 1.45rem;
  font-weight: 600;
  color: #ffffff;
  margin: 0 0 10px 0;
}

.arc_pillar_sub {
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--arc-gold-primary);
  margin-bottom: 16px;
}

.arc_pillar_desc {
  font-size: 0.95rem;
  color: #cbd5e1;
  line-height: 1.65;
  margin: 0;
}

/* 5. Head-to-Head Comparison Table */
.arc_compare_section {
  padding: 100px 0;
  background: var(--arc-navy-primary);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.arc_table_wrap {
  width: 100%;
  overflow-x: auto;
  border-radius: var(--arc-radius);
  border: 1px solid var(--arc-border-gold);
  background: #091726;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.35);
}

.arc_compare_table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.arc_compare_table th,
.arc_compare_table td {
  padding: 22px 24px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.arc_compare_table th {
  background: #06111c;
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 1.15rem;
  color: #ffffff;
  font-weight: 600;
}

.arc_compare_table th.highlight,
.arc_compare_table td.highlight {
  background: rgba(197, 160, 89, 0.08);
  border-left: 2px solid var(--arc-gold-primary);
  border-right: 2px solid var(--arc-gold-primary);
}

.arc_compare_table th.highlight {
  color: var(--arc-gold-light);
  font-weight: 700;
}

.arc_compare_table td {
  font-size: 0.95rem;
  color: #cbd5e1;
}

.arc_check_badge {
  color: #10b981;
  font-weight: 700;
  margin-right: 6px;
}

.arc_cross_badge {
  color: #ef4444;
  font-weight: 700;
  margin-right: 6px;
}

/* 6. Interactive Before & After Showcase */
.arc_cases_section {
  padding: 105px 0;
  background: #071320;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.arc_slider_container {
  max-width: 960px;
  margin: 0 auto 50px auto;
  background: #0e2a47;
  border: 1px solid var(--arc-border-gold);
  border-radius: var(--arc-radius);
  padding: 30px;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.5);
}

.arc_slider_meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  flex-wrap: wrap;
  gap: 12px;
}

.arc_patient_badge {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--arc-gold-light);
  background: rgba(197, 160, 89, 0.15);
  border: 1px solid var(--arc-border-gold);
  padding: 6px 14px;
  border-radius: 20px;
}

/* Direct Single Comparison Showcase */
.arc_direct_case_wrap {
  position: relative;
  width: 100%;
  max-width: 820px;
  margin: 0 auto;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.45);
  border: 1px solid rgba(197, 160, 89, 0.35);
  background: #000000;
}

.arc_direct_case_img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.arc_direct_case_wrap:hover .arc_direct_case_img {
  transform: scale(1.015);
}

.arc_case_badges_bar {
  display: flex;
  justify-content: space-between;
  position: absolute;
  top: 14px;
  left: 14px;
  right: 14px;
  pointer-events: none;
}

.arc_stage_badge {
  background: rgba(10, 30, 51, 0.85);
  border: 1px solid rgba(197, 160, 89, 0.5);
  color: #ffffff;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1px;
  padding: 5px 12px;
  border-radius: 4px;
  backdrop-filter: blur(6px);
}

/* Two-Image Comparison Slider (Retained for backwards compatibility) */
.ba_comparison_box {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  max-height: 520px;
  overflow: hidden;
  border-radius: 8px;
  user-select: none;
  -webkit-user-select: none;
  cursor: ew-resize;
  background: #000000;
}

.ba_img_after,
.ba_img_before {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.ba_img_before_wrap {
  position: absolute;
  top: 0;
  left: 0;
  width: 50%;
  height: 100%;
  overflow: hidden;
  z-index: 2;
  border-right: 2px solid #ffffff;
  box-shadow: 0 0 15px rgba(0, 0, 0, 0.6);
}

.ba_img_before_wrap img {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: auto;
  max-width: none;
}

.ba_handle {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 44px;
  height: 44px;
  background: #ffffff;
  border: 2px solid var(--arc-gold-primary);
  border-radius: 50%;
  z-index: 3;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(0,0,0,0.6);
  pointer-events: none;
}

.ba_handle svg {
  width: 20px;
  height: 20px;
  fill: var(--arc-navy-deep);
}

.ba_tag_label {
  position: absolute;
  bottom: 16px;
  padding: 5px 12px;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
  color: #ffffff;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1px;
  border-radius: 4px;
  z-index: 4;
}

.ba_tag_before { left: 16px; }
.ba_tag_after { right: 16px; }

.arc_slider_caption {
  margin-top: 20px;
  font-size: 0.95rem;
  color: #cbd5e1;
  text-align: center;
  font-style: italic;
}

/* Explore All Cases Big CTA Card */
.arc_all_cases_cta_wrap {
  text-align: center;
  margin-top: 40px;
}

.arc_explore_all_cases_btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 20px 42px;
  background: linear-gradient(135deg, #c5a059 0%, #e8cc8f 50%, #c5a059 100%);
  color: #0a1e33 !important;
  font-family: 'Inter', sans-serif;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 2px;
  text-transform: uppercase;
  border-radius: 30px;
  text-decoration: none;
  box-shadow: 0 10px 30px rgba(197, 160, 89, 0.4);
  transition: var(--arc-transition);
}

.arc_explore_all_cases_btn:hover {
  transform: translateY(-4px) scale(1.02);
  box-shadow: 0 16px 40px rgba(197, 160, 89, 0.6);
  background: #ffffff;
  color: #0a1e33 !important;
}

.arc_explore_subhint {
  margin-top: 14px;
  font-size: 12px;
  color: #94a3b8;
  letter-spacing: 0.5px;
}

/* 7. Master Surgeons Section */
.arc_surgeons_section {
  padding: 100px 0;
  background: var(--arc-navy-primary);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.arc_surgeon_card {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 45px;
  background: #091726;
  border: 1px solid var(--arc-border-gold);
  border-radius: var(--arc-radius);
  overflow: hidden;
  box-shadow: 0 25px 60px rgba(0,0,0,0.35);
  align-items: center;
}

.arc_surgeon_photo {
  width: 100%;
  height: 100%;
  min-height: 420px;
  object-fit: cover;
  display: block;
}

.arc_surgeon_details {
  padding: 40px 45px 40px 0;
}

.arc_surgeon_role {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--arc-gold-primary);
  margin-bottom: 8px;
}

.arc_surgeon_name {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 2.2rem;
  font-weight: 700;
  color: #ffffff;
  margin: 0 0 14px 0;
}

.arc_surgeon_bio {
  font-size: 0.95rem;
  color: #cbd5e1;
  line-height: 1.7;
  margin-bottom: 24px;
}

.arc_surgeon_tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.arc_surgeon_tag_item {
  padding: 6px 14px;
  background: rgba(22, 58, 95, 0.5);
  border: 1px solid rgba(197, 160, 89, 0.3);
  border-radius: 4px;
  font-size: 11px;
  font-weight: 600;
  color: #f1f5f9;
}

/* 8. Dual Lead Conversion Section */
.arc_booking_section {
  padding: 100px 0;
  background: radial-gradient(circle at 50% 50%, #163a5f 0%, #0a1e33 100%);
}

.arc_booking_grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  background: #091726;
  border: 1px solid var(--arc-border-gold);
  border-radius: var(--arc-radius);
  padding: 50px;
  box-shadow: 0 30px 70px rgba(0, 0, 0, 0.5);
}

.arc_contact_info_box h3 {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 2rem;
  color: #ffffff;
  margin: 0 0 16px 0;
}

.arc_vip_perk_item {
  display: flex;
  gap: 14px;
  margin-bottom: 22px;
}

.arc_vip_perk_icon {
  width: 24px;
  height: 24px;
  color: var(--arc-gold-primary);
  flex-shrink: 0;
}

.arc_form_box {
  background: rgba(14, 42, 71, 0.6);
  border: 1px solid rgba(197, 160, 89, 0.25);
  border-radius: 8px;
  padding: 30px;
}

.arc_form_group {
  margin-bottom: 18px;
}

.arc_form_group label {
  display: block;
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: #cbd5e1;
  margin-bottom: 6px;
}

.arc_form_control {
  width: 100%;
  padding: 12px 16px;
  background: rgba(10, 30, 51, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 4px;
  color: #ffffff;
  font-size: 14px;
  box-sizing: border-box;
  outline: none;
  transition: var(--arc-transition);
}

.arc_form_control:focus {
  border-color: var(--arc-gold-primary);
  box-shadow: 0 0 12px rgba(197, 160, 89, 0.25);
}

.arc_submit_btn {
  width: 100%;
  padding: 16px;
  background: linear-gradient(135deg, #c5a059 0%, #e0c283 100%);
  color: #0a1e33;
  font-family: 'Inter', sans-serif;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 2px;
  text-transform: uppercase;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  transition: var(--arc-transition);
}

.arc_submit_btn:hover {
  background: #ffffff;
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(197, 160, 89, 0.4);
}

/* Responsive Media Queries */
@media (max-width: 992px) {
  .arc_hero_grid,
  .arc_surgeon_card,
  .arc_booking_grid {
    grid-template-columns: 1fr;
    gap: 35px;
  }
  .arc_surgeon_details {
    padding: 0 35px 35px 35px;
  }
  .arc_hero_title {
    font-size: 2.8rem;
  }
  .arc_pillars_grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .arc_hero_title {
    font-size: 2.2rem;
  }
  .arc_header_actions .arc_cta_header_btn {
    display: none;
  }
  .arc_booking_grid {
    padding: 24px;
  }
  .arc_stat_number {
    font-size: 1.8rem;
  }
}