/**
 * DR. JIL PATEL – PREMIUM ORTHOPEDIC SPECIALIST DESIGN SYSTEM
 * Exact User Palette: Brown + Beige + Sage Green + Ivory + Dark Chocolate
 * Brown: #795548 (Primary Elements)
 * Beige: #E8D8C3 (Background Sections)
 * Sage Green: #87977A (Accents & Highlights)
 * Ivory: #FAF7F0 (Main Background)
 * Dark Chocolate: #35251E (Headings / Text)
 */

/* =============================================================
   1. HARMONIZED DESIGN VARIABLES & UTILITIES
   ============================================================= */
:root {
  --primary-color: #795548;
  --secondary-color: #E8D8C3;
  --accent-color: #87977A;
  --ivory-color: #FAF7F0;
  --dark-chocolate: #35251E;
  --text-color: #35251E;
  --text-muted: #63534B;
  --white-color: #FFFFFF;
  --divider-color: rgba(255, 255, 255, 0.2);
  --dark-divider-color: rgba(53, 37, 30, 0.12);
  --default-font: "Poppins", sans-serif;
  --card-radius: 30px;
  --box-shadow-card: 0px 4px 40px 0px rgba(53, 37, 30, 0.06);
}

/* Base Font & Smooth Scrolling */
html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--default-font);
  color: var(--text-color);
  background-color: var(--ivory-color);
}

/* =============================================================
   2. INTERACTIVE JOINT EXPLORER HUD
   ============================================================= */
.joint-explorer-section {
  padding: 100px 0;
  background: var(--ivory-color);
  position: relative;
}

.joint-explorer-card {
  background: var(--white-color);
  border: 1px solid var(--dark-divider-color);
  border-radius: var(--card-radius);
  box-shadow: var(--box-shadow-card);
  padding: 45px;
  position: relative;
  overflow: hidden;
}

.joint-nav-tabs {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.joint-tab-btn {
  padding: 12px 28px;
  font-family: var(--default-font);
  font-size: 15px;
  font-weight: 600;
  color: var(--dark-chocolate);
  background: var(--secondary-color);
  border: 1.5px solid transparent;
  border-radius: 99px;
  transition: all 0.3s ease-in-out;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.joint-tab-btn:hover {
  background: var(--white-color);
  border-color: var(--accent-color);
  color: var(--accent-color);
  transform: translateY(-2px);
}

.joint-tab-btn.active {
  background: var(--primary-color);
  color: var(--white-color);
  border-color: var(--primary-color);
  box-shadow: 0 8px 25px rgba(121, 85, 72, 0.25);
}

.joint-display-grid {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 40px;
  align-items: center;
}

@media (max-width: 991px) {
  .joint-display-grid {
    grid-template-columns: 1fr;
  }
}

.joint-visual-wrapper {
  background: var(--secondary-color);
  border-radius: 24px;
  padding: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 400px;
  position: relative;
  border: 1px solid var(--dark-divider-color);
}

.joint-visual-wrapper svg,
.joint-visual-wrapper img {
  max-width: 100%;
  max-height: 360px;
  transition: transform 0.5s ease-in-out;
}

.joint-visual-wrapper:hover svg,
.joint-visual-wrapper:hover img {
  transform: scale(1.02);
}

.joint-info-box {
  padding: 10px 15px;
}

.joint-badge-tag {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--accent-color);
  background: rgba(135, 151, 122, 0.16);
  padding: 6px 16px;
  border-radius: 99px;
  margin-bottom: 15px;
}

.joint-info-box h3 {
  font-size: 28px;
  font-weight: 700;
  color: var(--dark-chocolate);
  margin-bottom: 15px;
}

.joint-info-box p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-color);
  margin-bottom: 25px;
}

.joint-chips-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 25px;
}

.joint-chip {
  font-size: 13px;
  font-weight: 500;
  padding: 6px 14px;
  background: var(--secondary-color);
  border: 1px solid var(--dark-divider-color);
  border-radius: 99px;
  color: var(--dark-chocolate);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all 0.3s ease;
}

.joint-chip:hover {
  background: #ffffff;
  border-color: var(--accent-color);
  color: var(--accent-color);
}

.joint-chip i {
  color: var(--accent-color);
  font-size: 11px;
}

/* =============================================================
   3. CONDITION CARDS & ORTHO GRIDS
   ============================================================= */
.condition-card {
  background: var(--white-color);
  border: 1px solid var(--dark-divider-color);
  border-radius: 20px;
  box-shadow: 0px 4px 20px 0px rgba(53, 37, 30, 0.04);
  padding: 28px;
  transition: all 0.4s ease-in-out;
  height: calc(100% - 30px);
  margin-bottom: 30px;
}

.condition-card:hover {
  transform: translateY(-6px);
  box-shadow: 0px 12px 35px 0px rgba(121, 85, 72, 0.15);
  border-color: var(--accent-color);
}

.condition-card-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 16px;
}

.condition-icon-badge {
  width: 50px;
  height: 50px;
  border-radius: 14px;
  background: var(--secondary-color);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-color);
  font-size: 20px;
  transition: all 0.4s ease-in-out;
}

.condition-card:hover .condition-icon-badge {
  background: var(--accent-color);
  color: var(--white-color);
}

.condition-card h4 {
  font-size: 19px;
  font-weight: 700;
  color: var(--dark-chocolate);
  margin: 0;
}

.condition-card p {
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--text-color);
  margin-bottom: 16px;
}

.condition-treatments-pill {
  font-size: 12.5px;
  font-weight: 600;
  color: var(--accent-color);
  background: rgba(135, 151, 122, 0.16);
  padding: 5px 12px;
  border-radius: 99px;
  display: inline-block;
}

/* =============================================================
   4. TECHNOLOGY COMPARISON & METRICS
   ============================================================= */
.tech-spec-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--box-shadow-card);
  border: 1px solid var(--dark-divider-color);
  margin: 30px 0;
}

.tech-spec-table th,
.tech-spec-table td {
  padding: 18px 24px;
  text-align: left;
  font-size: 15px;
}

.tech-spec-table th {
  background: var(--dark-chocolate);
  color: var(--white-color);
  font-weight: 600;
}

.tech-spec-table tr:nth-child(even) {
  background: var(--secondary-color);
}

.tech-spec-table tr:hover td {
  background: rgba(135, 151, 122, 0.12);
}

/* Floating WhatsApp link adjustment */
.whatsapp-float {
  position: fixed;
  bottom: 30px;
  right: 30px;
  background-color: #25d366;
  color: #fff;
  border-radius: 50px;
  text-align: center;
  font-size: 32px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
  z-index: 1000;
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease-in-out;
  text-decoration: none;
}

.whatsapp-float:hover {
  background-color: #20ba5a;
  color: #fff;
  transform: scale(1.1);
}

/* Breadcrumb Sub-page styling */
.page-header {
  background: var(--secondary-color) url('../images/page-header-bg.svg') no-repeat center center;
  background-size: cover;
  padding: 80px 0;
  text-align: center;
}

.page-header h1 {
  font-size: 42px;
  font-weight: 700;
  color: var(--dark-chocolate);
  margin-bottom: 15px;
}

.page-header p {
  max-width: 700px;
  margin: 0 auto;
  font-size: 16px;
  color: var(--text-color);
}