/* ==========================================================================
   DR. VAMSI KRISHNA I Y — CONSULTANT NEUROSURGEON
   Design System & Styling
   Palette: Deep Walnut (#734729), Cognac (#995D36), Soft Sand (#C7B5A9), Warm Cream (#F6F0EB), Espresso (#2B1B13)
   ========================================================================== */

:root {
  /* Core Palette Tokens */
  --color-walnut: #734729;
  --color-walnut-dark: #58331B;
  --color-walnut-deep: #422614;
  --color-cognac: #995D36;
  --color-cognac-light: #B47348;
  --color-taupe: #94705A;
  --color-sand: #C7B5A9;
  --color-sand-light: #E4DCD5;
  --color-cream: #F6F0EB;
  --color-cream-light: #FAF6F3;
  --color-offwhite: #FBFBFA;
  --color-espresso: #2B1B13;
  --color-espresso-muted: #5C4A40;
  
  /* Dark Tech Section Palette */
  --color-dark-bg: #17110E;
  --color-dark-surface: #221915;
  --color-dark-card: #2E211B;
  --color-dark-border: rgba(180, 115, 72, 0.25);
  --color-dark-text: #EFE7E1;
  --color-dark-text-muted: #AFA096;

  /* Glassmorphism Tokens */
  --glass-bg: rgba(255, 255, 255, 0.65);
  --glass-bg-subtle: rgba(255, 255, 255, 0.45);
  --glass-bg-hover: rgba(255, 255, 255, 0.85);
  --glass-border: rgba(255, 255, 255, 0.7);
  --glass-border-subtle: rgba(115, 71, 41, 0.12);
  --glass-shadow: 0 16px 40px -12px rgba(43, 27, 19, 0.08), 0 4px 12px -2px rgba(43, 27, 19, 0.04);
  --glass-shadow-hover: 0 24px 50px -12px rgba(115, 71, 41, 0.18), 0 8px 24px -4px rgba(43, 27, 19, 0.08);

  /* Typography */
  --font-display: 'Manrope', 'Sora', sans-serif;
  --font-body: 'Inter', 'Manrope', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-serif: 'DM Serif Display', Georgia, serif;

  /* Layout & Radii */
  --max-width: 1280px;
  --max-width-narrow: 1040px;
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --radius-pill: 9999px;

  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-smooth: 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  color: var(--color-espresso);
  background-color: var(--color-cream);
  background-image: 
    radial-gradient(circle at 10% 20%, rgba(153, 93, 54, 0.04) 0%, transparent 40%),
    radial-gradient(circle at 90% 80%, rgba(115, 71, 41, 0.05) 0%, transparent 45%);
  line-height: 1.65;
  overflow-x: hidden;
}

/* Selection */
::selection {
  background: var(--color-cognac);
  color: #ffffff;
}

/* Accessibility Focus States */
:focus-visible {
  outline: 2px solid var(--color-cognac);
  outline-offset: 3px;
}

/* Typography Utilities */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-espresso);
  letter-spacing: -0.02em;
}

p {
  color: var(--color-espresso-muted);
  font-size: 1.05rem;
}

a {
  color: inherit;
  text-decoration: none;
}

.serif-quote {
  font-family: var(--font-serif);
  font-weight: 400;
  font-style: italic;
}

/* Container */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

.container-narrow {
  width: 100%;
  max-width: var(--max-width-narrow);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

/* Section Common Styles */
section {
  position: relative;
  padding: 6.5rem 0;
  overflow: hidden;
}

.section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-cognac);
  margin-bottom: 0.875rem;
}

.section-eyebrow::before {
  content: '';
  display: inline-block;
  width: 18px;
  height: 2px;
  background: var(--color-cognac);
  border-radius: 2px;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--color-espresso);
}

.section-subtitle {
  font-size: 1.125rem;
  max-width: 680px;
  color: var(--color-espresso-muted);
  line-height: 1.6;
}

.text-center {
  text-align: center;
}

.mx-auto {
  margin-left: auto;
  margin-right: auto;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.625rem;
  padding: 0.875rem 1.875rem;
  font-family: var(--font-display);
  font-size: 0.9375rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  cursor: pointer;
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-walnut) 0%, var(--color-cognac) 100%);
  color: #ffffff;
  box-shadow: 0 8px 24px -4px rgba(115, 71, 41, 0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 30px -4px rgba(115, 71, 41, 0.45);
  background: linear-gradient(135deg, var(--color-walnut-dark) 0%, var(--color-cognac-light) 100%);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-secondary {
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border-subtle);
  color: var(--color-espresso);
  box-shadow: var(--glass-shadow);
}

.btn-secondary:hover {
  background: var(--color-offwhite);
  border-color: var(--color-cognac);
  color: var(--color-cognac);
  transform: translateY(-2px);
  box-shadow: var(--glass-shadow-hover);
}

.btn-secondary:active {
  transform: translateY(0);
}

.btn-outline-white {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: #ffffff;
}

.btn-outline-white:hover {
  background: #ffffff;
  color: var(--color-espresso);
  transform: translateY(-2px);
}

.btn-arrow {
  transition: transform var(--transition-fast);
}

.btn:hover .btn-arrow {
  transform: translateX(4px);
}

/* Floating Glass Navigation */
.navbar-wrapper {
  position: fixed;
  top: 1.25rem;
  left: 0;
  right: 0;
  z-index: 1000;
  display: flex;
  justify-content: center;
  pointer-events: none;
  padding: 0 1.25rem;
  transition: all var(--transition-smooth);
}

.navbar {
  width: 100%;
  max-width: 1160px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1.25rem 0.75rem 1.5rem;
  border-radius: 22px;
  background: rgba(251, 246, 240, 0.75);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid rgba(255, 255, 255, 0.75);
  box-shadow: 0 12px 36px -8px rgba(43, 27, 19, 0.08), 0 2px 8px rgba(43, 27, 19, 0.02);
  pointer-events: auto;
  transition: all var(--transition-smooth);
}

.navbar.scrolled {
  background: rgba(251, 246, 240, 0.94);
  padding: 0.55rem 1.15rem 0.55rem 1.35rem;
  box-shadow: 0 16px 40px -8px rgba(43, 27, 19, 0.12), 0 4px 12px rgba(43, 27, 19, 0.04);
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.875rem;
}

.brand-monogram {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--color-walnut), var(--color-cognac));
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.125rem;
  letter-spacing: -0.03em;
  box-shadow: 0 4px 12px rgba(115, 71, 41, 0.25);
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-name {
  font-family: var(--font-display);
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--color-espresso);
  line-height: 1.2;
}

.brand-title {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-cognac);
  letter-spacing: 0.03em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  list-style: none;
}

.nav-link {
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-espresso-muted);
  transition: var(--transition-fast);
  position: relative;
  padding: 0.35rem 0;
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-walnut);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-cognac);
  border-radius: 2px;
  transition: width var(--transition-fast);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.nav-btn {
  padding: 0.625rem 1.25rem;
  font-size: 0.875rem;
}

.mobile-menu-btn {
  display: none;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  color: var(--color-espresso);
}

/* Mobile Drawer */
.mobile-drawer {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background: rgba(43, 27, 19, 0.6);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 1050;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-smooth);
}

.mobile-drawer.open {
  opacity: 1;
  pointer-events: auto;
}

.drawer-panel {
  position: absolute;
  top: 0;
  right: 0;
  width: 85%;
  max-width: 380px;
  height: 100%;
  background: var(--color-cream-light);
  box-shadow: -10px 0 40px rgba(0, 0, 0, 0.2);
  padding: 2rem 1.5rem;
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform var(--transition-smooth);
}

.mobile-drawer.open .drawer-panel {
  transform: translateX(0);
}

.drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 2.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--color-sand-light);
}

.drawer-close-btn {
  background: var(--color-sand-light);
  border: none;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--color-espresso);
}

.drawer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin-bottom: 2.5rem;
}

.drawer-link {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-espresso);
  display: block;
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero-section {
  padding-top: 8.5rem;
  padding-bottom: 4.5rem;
  position: relative;
  background: radial-gradient(circle at 85% 25%, rgba(153, 93, 54, 0.12) 0%, rgba(246, 240, 235, 0) 60%),
              radial-gradient(circle at 10% 70%, rgba(115, 71, 41, 0.06) 0%, rgba(246, 240, 235, 0) 50%);
}

#heroCanvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
  opacity: 0.65;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 3.5rem;
  align-items: center;
  position: relative;
  z-index: 2;
}

.hero-content {
  display: flex;
  flex-direction: column;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
  font-family: var(--font-display);
  font-size: 0.8125rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-cognac);
  background: rgba(153, 93, 54, 0.08);
  padding: 0.35rem 0.875rem;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(153, 93, 54, 0.18);
  width: fit-content;
  margin-bottom: 1.25rem;
}

.hero-eyebrow-dot {
  width: 6px;
  height: 6px;
  background: var(--color-cognac);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--color-cognac);
  animation: pulseGlow 2s infinite ease-in-out;
}

@keyframes pulseGlow {
  0%, 100% { transform: scale(1); opacity: 0.8; }
  50% { transform: scale(1.4); opacity: 1; }
}

.hero-headline {
  font-size: 3.25rem;
  font-weight: 800;
  line-height: 1.15;
  color: var(--color-espresso);
  margin-bottom: 1.25rem;
  letter-spacing: -0.03em;
}

.hero-headline .text-gradient {
  background: linear-gradient(135deg, var(--color-walnut) 0%, var(--color-cognac) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: block;
}

.hero-subtext {
  font-size: 1.125rem;
  color: var(--color-espresso-muted);
  line-height: 1.68;
  margin-bottom: 2rem;
  max-width: 580px;
}

.doctor-badge-card {
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
  padding: 1.25rem 1.5rem;
  border-radius: var(--radius-lg);
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
  margin-bottom: 2.25rem;
}

.doctor-icon-box {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--color-walnut), var(--color-cognac));
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 6px 16px rgba(115, 71, 41, 0.25);
}

.doctor-info h2 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-espresso);
  margin-bottom: 0.15rem;
}

.doctor-qualifications {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--color-cognac);
  letter-spacing: 0.02em;
  margin-bottom: 0.35rem;
}

.doctor-hospital {
  font-size: 0.875rem;
  color: var(--color-espresso-muted);
  line-height: 1.4;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

/* Hero Visual / Portrait */
.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.portrait-frame-wrapper {
  position: relative;
  width: 100%;
  max-width: 440px;
  aspect-ratio: 3/4;
}

.portrait-glow-halo {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 115%;
  height: 115%;
  background: radial-gradient(circle, rgba(153, 93, 54, 0.25) 0%, rgba(115, 71, 41, 0.12) 40%, transparent 70%);
  filter: blur(40px);
  z-index: 1;
  pointer-events: none;
}

.anatomical-grid-circle {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 108%;
  height: 108%;
  border: 1px dashed rgba(153, 93, 54, 0.3);
  border-radius: 50%;
  z-index: 1;
  animation: rotateSlow 45s linear infinite;
  pointer-events: none;
}

@keyframes rotateSlow {
  from { transform: translate(-50%, -50%) rotate(0deg); }
  to { transform: translate(-50%, -50%) rotate(360deg); }
}

.portrait-image-container {
  position: relative;
  width: 100%;
  height: 100%;
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 2px solid var(--glass-border);
  box-shadow: 0 24px 60px -12px rgba(43, 27, 19, 0.22);
  z-index: 2;
  background: var(--color-walnut-deep);
}

.portrait-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 20%;
  transition: transform var(--transition-slow);
}

.portrait-frame-wrapper:hover .portrait-image {
  transform: scale(1.03);
}

/* Floating Glass Chips */
.floating-chip {
  position: absolute;
  z-index: 3;
  display: flex;
  align-items: center;
  gap: 0.625rem;
  padding: 0.625rem 1rem;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.9);
  box-shadow: 0 12px 28px -6px rgba(43, 27, 19, 0.14);
  font-family: var(--font-display);
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--color-espresso);
  animation: floatSubtle 6s ease-in-out infinite alternate;
}

.floating-chip-1 {
  top: 8%;
  left: -8%;
  animation-delay: 0s;
}

.floating-chip-2 {
  bottom: 12%;
  right: -6%;
  animation-delay: -3s;
}

.chip-icon {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: rgba(153, 93, 54, 0.15);
  color: var(--color-cognac);
  display: flex;
  align-items: center;
  justify-content: center;
}

@keyframes floatSubtle {
  0% { transform: translateY(0px); }
  100% { transform: translateY(-10px); }
}

/* Hero Trust Strip */
.trust-strip-wrapper {
  margin-top: 3.5rem;
  position: relative;
  z-index: 2;
}

.trust-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}

.trust-card {
  padding: 1.25rem 1.5rem;
  border-radius: var(--radius-lg);
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
  transition: var(--transition-smooth);
  display: flex;
  flex-direction: column;
}

.trust-card:hover {
  transform: translateY(-4px);
  background: var(--glass-bg-hover);
  border-color: rgba(153, 93, 54, 0.3);
  box-shadow: var(--glass-shadow-hover);
}

.trust-tag {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 800;
  color: var(--color-cognac);
  margin-bottom: 0.25rem;
}

.trust-label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-espresso);
  line-height: 1.35;
}

/* ==========================================================================
   ABOUT SECTION
   ========================================================================== */
.about-section {
  background: linear-gradient(180deg, var(--color-cream) 0%, var(--color-offwhite) 100%);
  position: relative;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about-content h2 {
  font-size: 2.25rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  line-height: 1.25;
}

.about-text {
  display: flex;
  flex-direction: column;
  gap: 1.125rem;
  margin-bottom: 2rem;
}

.highlight-quote-card {
  position: relative;
  padding: 1.75rem 2rem;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(115, 71, 41, 0.06), rgba(153, 93, 54, 0.03));
  border-left: 4px solid var(--color-cognac);
  margin-top: 1rem;
}

.quote-mark {
  position: absolute;
  top: 0.5rem;
  left: 1rem;
  font-family: var(--font-serif);
  font-size: 3.5rem;
  line-height: 1;
  color: rgba(153, 93, 54, 0.2);
  pointer-events: none;
}

.quote-body {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  line-height: 1.55;
  color: var(--color-espresso);
  position: relative;
  z-index: 1;
}

.about-image-card {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow-hover);
  aspect-ratio: 16/10;
}

.about-image-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.about-image-card:hover img {
  transform: scale(1.04);
}

.about-credentials-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-top: 2rem;
}

.cred-mini-card {
  padding: 1rem;
  border-radius: var(--radius-md);
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border-subtle);
  text-align: center;
}

.cred-mini-title {
  font-family: var(--font-display);
  font-size: 0.8125rem;
  font-weight: 800;
  color: var(--color-cognac);
  text-transform: uppercase;
}

.cred-mini-desc {
  font-size: 0.8125rem;
  color: var(--color-espresso-muted);
  margin-top: 0.25rem;
}

/* ==========================================================================
   BRAIN • SPINE • NERVE (SIGNATURE INTERACTIVE SECTION)
   ========================================================================== */
.bsn-section {
  background: var(--color-offwhite);
  padding: 7rem 0;
  position: relative;
}

.bsn-interactive-wrapper {
  margin-top: 3.5rem;
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 3.5rem;
  align-items: center;
}

/* Anatomical Central Visualizer */
.anatomy-visualizer-card {
  position: relative;
  background: linear-gradient(135deg, #241A15 0%, #17110E 100%);
  border-radius: var(--radius-xl);
  padding: 2.5rem 2rem;
  border: 1px solid var(--color-dark-border);
  box-shadow: 0 24px 60px -12px rgba(23, 17, 14, 0.4);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 520px;
  overflow: hidden;
}

.anatomy-svg-container {
  width: 100%;
  max-width: 320px;
  position: relative;
  z-index: 2;
}

.anatomy-hotspot {
  cursor: pointer;
  transition: all var(--transition-smooth);
}

.hotspot-pulse {
  animation: pulseNode 2.5s infinite ease-in-out;
}

@keyframes pulseNode {
  0%, 100% { r: 6; opacity: 0.7; }
  50% { r: 12; opacity: 0.2; }
}

.anatomy-selector-tabs {
  display: flex;
  gap: 0.75rem;
  margin-top: 2rem;
  z-index: 3;
  width: 100%;
  justify-content: center;
}

.anatomy-tab-btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.625rem 1.25rem;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: var(--color-dark-text-muted);
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition-fast);
}

.anatomy-tab-btn:hover,
.anatomy-tab-btn.active {
  background: linear-gradient(135deg, var(--color-walnut) 0%, var(--color-cognac) 100%);
  color: #ffffff;
  border-color: transparent;
  box-shadow: 0 6px 18px rgba(153, 93, 54, 0.4);
}

/* BSN Dynamic Condition Cards */
.bsn-content-card {
  display: none;
  background: var(--glass-bg);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-radius: var(--radius-xl);
  padding: 2.75rem;
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow-hover);
  animation: fadeIn 0.4s ease-out forwards;
}

.bsn-content-card.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.bsn-card-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--color-sand-light);
}

.bsn-card-icon {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--color-walnut), var(--color-cognac));
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.bsn-card-title {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--color-espresso);
}

.bsn-card-badge {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-cognac);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.bsn-condition-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.875rem 1.25rem;
  margin-top: 1.5rem;
}

.bsn-condition-item {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  font-size: 0.9375rem;
  color: var(--color-espresso);
  font-weight: 500;
}

.condition-check-icon {
  color: var(--color-cognac);
  flex-shrink: 0;
}

.bsn-medical-note {
  margin-top: 2rem;
  padding: 1rem 1.25rem;
  border-radius: var(--radius-md);
  background: rgba(153, 93, 54, 0.06);
  border: 1px solid rgba(153, 93, 54, 0.15);
  font-size: 0.8125rem;
  color: var(--color-espresso-muted);
  line-height: 1.5;
}

/* ==========================================================================
   SPECIAL AREAS OF INTEREST (BENTO GRID)
   ========================================================================== */
.bento-section {
  background: var(--color-cream);
  position: relative;
}

.bento-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 1.5rem;
  margin-top: 3.5rem;
}

.bento-card {
  position: relative;
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-radius: var(--radius-xl);
  padding: 2.25rem;
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  overflow: hidden;
  transition: all var(--transition-smooth);
}

.bento-card:hover {
  transform: translateY(-6px);
  background: var(--glass-bg-hover);
  border-color: rgba(153, 93, 54, 0.4);
  box-shadow: var(--glass-shadow-hover);
}

.bento-card-large {
  grid-column: span 7;
  grid-row: span 2;
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.9) 0%, rgba(246, 240, 235, 0.8) 100%);
}

.bento-card-medium-1 {
  grid-column: span 5;
}

.bento-card-medium-2 {
  grid-column: span 5;
}

.bento-card-small-1 {
  grid-column: span 6;
}

.bento-card-small-2 {
  grid-column: span 6;
}

.bento-icon-wrapper {
  width: 52px;
  height: 52px;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(115, 71, 41, 0.12), rgba(153, 93, 54, 0.08));
  color: var(--color-walnut);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  border: 1px solid rgba(153, 93, 54, 0.2);
}

.bento-card-title {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--color-espresso);
  margin-bottom: 0.75rem;
}

.bento-card-desc {
  font-size: 0.9375rem;
  color: var(--color-espresso-muted);
  line-height: 1.6;
}

.bento-bg-lineart {
  position: absolute;
  right: -20px;
  bottom: -20px;
  width: 140px;
  height: 140px;
  opacity: 0.08;
  pointer-events: none;
  transition: opacity var(--transition-smooth), transform var(--transition-smooth);
}

.bento-card:hover .bento-bg-lineart {
  opacity: 0.16;
  transform: scale(1.1);
}

/* ==========================================================================
   EMERGENCY & TRAUMA NEUROSURGERY
   ========================================================================== */
.trauma-section {
  background: linear-gradient(180deg, var(--color-cream) 0%, var(--color-offwhite) 100%);
  position: relative;
}

.trauma-banner {
  background: linear-gradient(135deg, #2B1B13 0%, #17110E 100%);
  border-radius: var(--radius-xl);
  padding: 3.5rem;
  color: #ffffff;
  border: 1px solid var(--color-dark-border);
  box-shadow: 0 24px 60px -12px rgba(23, 17, 14, 0.45);
  margin-top: 3rem;
}

.trauma-banner-grid {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 3.5rem;
  align-items: center;
}

.trauma-intro h3 {
  font-size: 2rem;
  color: #ffffff;
  margin-bottom: 1rem;
}

.trauma-intro p {
  color: var(--color-dark-text-muted);
  font-size: 1.05rem;
  line-height: 1.65;
  margin-bottom: 1.75rem;
}

.trauma-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(180, 115, 72, 0.2);
  color: #D4A373;
  padding: 0.4rem 0.875rem;
  border-radius: var(--radius-pill);
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 1rem;
  border: 1px solid rgba(180, 115, 72, 0.3);
}

.trauma-procedures-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.trauma-proc-item {
  background: rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 1.25rem;
  border-radius: var(--radius-lg);
  transition: var(--transition-fast);
}

.trauma-proc-item:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(180, 115, 72, 0.4);
  transform: translateY(-2px);
}

.trauma-proc-name {
  font-family: var(--font-display);
  font-size: 0.9375rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 0.35rem;
}

.trauma-proc-desc {
  font-size: 0.8125rem;
  color: var(--color-dark-text-muted);
  line-height: 1.4;
}

/* ==========================================================================
   MODERN NEUROSURGICAL TECHNOLOGY
   ========================================================================== */
.tech-section {
  background: linear-gradient(180deg, #17110E 0%, #221915 50%, #17110E 100%);
  color: var(--color-dark-text);
  padding: 7rem 0;
  position: relative;
}

.tech-section .section-title {
  color: #ffffff;
}

.tech-section .section-subtitle {
  color: var(--color-dark-text-muted);
}

.tech-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 3.5rem;
}

.tech-card {
  background: rgba(255, 255, 255, 0.04);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-radius: var(--radius-xl);
  padding: 2.25rem;
  border: 1px solid var(--color-dark-border);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.3);
  transition: all var(--transition-smooth);
  display: flex;
  flex-direction: column;
}

.tech-card:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(180, 115, 72, 0.6);
  transform: translateY(-6px);
  box-shadow: 0 24px 50px rgba(0, 0, 0, 0.5), 0 0 20px rgba(153, 93, 54, 0.2);
}

.tech-icon-box {
  width: 52px;
  height: 52px;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(180, 115, 72, 0.2), rgba(115, 71, 41, 0.3));
  color: #E4A87C;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  border: 1px solid rgba(180, 115, 72, 0.3);
}

.tech-card-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 0.75rem;
}

.tech-card-desc {
  font-size: 0.9375rem;
  color: var(--color-dark-text-muted);
  line-height: 1.6;
}

.tech-banner-image-wrapper {
  margin-top: 3.5rem;
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--color-dark-border);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
  aspect-ratio: 21/9;
}

.tech-banner-image-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ==========================================================================
   PROFESSIONAL JOURNEY (TIMELINE)
   ========================================================================== */
.timeline-section {
  background: var(--color-cream);
  position: relative;
}

.timeline-wrapper {
  position: relative;
  max-width: 920px;
  margin: 4rem auto 0 auto;
  padding: 1rem 0;
}

.timeline-line {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 3px;
  background: var(--color-sand-light);
  transform: translateX(-50%);
  border-radius: 3px;
}

.timeline-progress {
  position: absolute;
  top: 0;
  left: 50%;
  width: 3px;
  background: linear-gradient(180deg, var(--color-walnut), var(--color-cognac));
  transform: translateX(-50%);
  border-radius: 3px;
  height: 0;
  transition: height 0.5s ease-out;
}

.timeline-item {
  position: relative;
  margin-bottom: 3.5rem;
  width: 50%;
  display: flex;
}

.timeline-item:last-child {
  margin-bottom: 0;
}

.timeline-item.left {
  left: 0;
  padding-right: 3rem;
  justify-content: flex-end;
}

.timeline-item.right {
  left: 50%;
  padding-left: 3rem;
  justify-content: flex-start;
}

.timeline-node {
  position: absolute;
  top: 1.5rem;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--color-cream-light);
  border: 4px solid var(--color-cognac);
  z-index: 3;
  box-shadow: 0 0 0 4px rgba(153, 93, 54, 0.15);
}

.timeline-item.left .timeline-node {
  right: -10px;
}

.timeline-item.right .timeline-node {
  left: -10px;
}

.timeline-node.current {
  background: var(--color-cognac);
  border-color: #ffffff;
  box-shadow: 0 0 0 6px rgba(153, 93, 54, 0.35);
  animation: nodePulse 2s infinite ease-in-out;
}

@keyframes nodePulse {
  0%, 100% { transform: scale(1); box-shadow: 0 0 0 6px rgba(153, 93, 54, 0.35); }
  50% { transform: scale(1.2); box-shadow: 0 0 0 12px rgba(153, 93, 54, 0.15); }
}

.timeline-card {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
  width: 100%;
  transition: var(--transition-smooth);
}

.timeline-card:hover {
  transform: translateY(-4px);
  background: var(--glass-bg-hover);
  box-shadow: var(--glass-shadow-hover);
  border-color: rgba(153, 93, 54, 0.3);
}

.timeline-year-badge {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-display);
  font-size: 0.8125rem;
  font-weight: 800;
  color: var(--color-cognac);
  background: rgba(153, 93, 54, 0.08);
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-pill);
  margin-bottom: 0.75rem;
}

.current-pill {
  background: var(--color-cognac);
  color: #ffffff;
  font-size: 0.6875rem;
  font-weight: 800;
  padding: 0.15rem 0.5rem;
  border-radius: var(--radius-pill);
  margin-left: 0.5rem;
  letter-spacing: 0.05em;
}

.timeline-role {
  font-size: 1.1875rem;
  font-weight: 700;
  color: var(--color-espresso);
  margin-bottom: 0.35rem;
}

.timeline-inst {
  font-size: 0.9375rem;
  color: var(--color-walnut);
  font-weight: 600;
  line-height: 1.4;
}

.timeline-loc {
  font-size: 0.8125rem;
  color: var(--color-espresso-muted);
  margin-top: 0.25rem;
}

/* ==========================================================================
   CLINICAL & SURGICAL EXPERIENCE (TABBED)
   ========================================================================== */
.experience-section {
  background: var(--color-offwhite);
  position: relative;
}

.proc-tab-nav {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-top: 3rem;
  margin-bottom: 2.5rem;
}

.proc-tab-btn {
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-pill);
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border-subtle);
  font-family: var(--font-display);
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-espresso-muted);
  cursor: pointer;
  transition: var(--transition-fast);
}

.proc-tab-btn:hover,
.proc-tab-btn.active {
  background: linear-gradient(135deg, var(--color-walnut) 0%, var(--color-cognac) 100%);
  color: #ffffff;
  border-color: transparent;
  box-shadow: 0 8px 20px -4px rgba(115, 71, 41, 0.3);
}

.proc-tab-content {
  display: none;
  animation: fadeIn 0.4s ease-out forwards;
}

.proc-tab-content.active {
  display: block;
}

.proc-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.proc-card {
  padding: 1.5rem;
  border-radius: var(--radius-lg);
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
  transition: var(--transition-fast);
}

.proc-card:hover {
  transform: translateY(-3px);
  background: var(--glass-bg-hover);
  border-color: rgba(153, 93, 54, 0.3);
}

.proc-title {
  font-family: var(--font-display);
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--color-espresso);
  margin-bottom: 0.35rem;
}

.proc-desc {
  font-size: 0.875rem;
  color: var(--color-espresso-muted);
  line-height: 1.5;
}

.proc-disclaimer-note {
  text-align: center;
  margin-top: 2.5rem;
  font-size: 0.875rem;
  color: var(--color-espresso-muted);
  font-style: italic;
}

/* ==========================================================================
   ACADEMIC & CONFERENCES
   ========================================================================== */
.academic-section {
  background: linear-gradient(180deg, var(--color-offwhite) 0%, var(--color-cream) 100%);
  position: relative;
}

.drnb-hero-card {
  background: linear-gradient(135deg, #241A15 0%, #17110E 100%);
  border-radius: var(--radius-xl);
  padding: 3rem;
  color: #ffffff;
  border: 1px solid var(--color-dark-border);
  box-shadow: 0 24px 60px -12px rgba(23, 17, 14, 0.4);
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 3rem;
  align-items: center;
  margin-bottom: 4rem;
}

.drnb-badge-huge {
  font-family: var(--font-display);
  font-size: 4.5rem;
  font-weight: 900;
  letter-spacing: -0.04em;
  background: linear-gradient(135deg, #FFFFFF 0%, #D4A373 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1;
  padding: 1rem 2rem;
  border-right: 1px solid rgba(255, 255, 255, 0.15);
}

.drnb-details h3 {
  font-size: 1.75rem;
  color: #ffffff;
  margin-bottom: 0.5rem;
}

.drnb-details .drnb-board {
  font-size: 1.125rem;
  color: #D4A373;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.drnb-details .drnb-hosp {
  font-size: 0.9375rem;
  color: var(--color-dark-text-muted);
  margin-bottom: 1rem;
}

.drnb-reg-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(255, 255, 255, 0.08);
  padding: 0.4rem 1rem;
  border-radius: var(--radius-pill);
  font-size: 0.8125rem;
  color: #EFE7E1;
  border: 1px solid rgba(255, 255, 255, 0.15);
}

/* Conferences Horizontal Scroll */
.conferences-container {
  overflow-x: auto;
  padding: 1.5rem 0.5rem 2rem 0.5rem;
  display: flex;
  gap: 1.5rem;
  scrollbar-width: thin;
  scrollbar-color: var(--color-sand) transparent;
}

.conferences-container::-webkit-scrollbar {
  height: 6px;
}

.conferences-container::-webkit-scrollbar-thumb {
  background-color: var(--color-sand);
  border-radius: 6px;
}

.conference-card {
  min-width: 290px;
  max-width: 320px;
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-radius: var(--radius-lg);
  padding: 2rem 1.75rem;
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  flex-shrink: 0;
  transition: var(--transition-smooth);
}

.conference-card:hover {
  transform: translateY(-6px);
  background: var(--glass-bg-hover);
  box-shadow: var(--glass-shadow-hover);
  border-color: rgba(153, 93, 54, 0.4);
}

.conf-year {
  font-family: var(--font-display);
  font-size: 2.25rem;
  font-weight: 800;
  color: rgba(153, 93, 54, 0.3);
  margin-bottom: 0.75rem;
  line-height: 1;
}

.conf-title {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-espresso);
  margin-bottom: 0.5rem;
}

.conf-desc {
  font-size: 0.875rem;
  color: var(--color-espresso-muted);
  line-height: 1.45;
}

/* ==========================================================================
   PATIENT PHILOSOPHY
   ========================================================================== */
.philosophy-section {
  background: var(--color-cream);
  position: relative;
}

.philosophy-principles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 3.5rem;
}

.principle-card {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-radius: var(--radius-xl);
  padding: 2.5rem 2rem;
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
  display: flex;
  flex-direction: column;
  position: relative;
  transition: var(--transition-smooth);
}

.principle-card:hover {
  transform: translateY(-6px);
  background: var(--glass-bg-hover);
  box-shadow: var(--glass-shadow-hover);
}

.principle-num {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 800;
  color: var(--color-cognac);
  margin-bottom: 1.25rem;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.principle-num::after {
  content: '';
  width: 24px;
  height: 2px;
  background: var(--color-cognac);
}

.principle-title {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-espresso);
  margin-bottom: 0.75rem;
}

.principle-desc {
  font-size: 0.9375rem;
  color: var(--color-espresso-muted);
  line-height: 1.6;
}

.philosophy-quote-banner {
  margin-top: 4rem;
  background: linear-gradient(135deg, var(--color-walnut) 0%, var(--color-cognac) 100%);
  border-radius: var(--radius-xl);
  padding: 3.5rem 3rem;
  color: #ffffff;
  text-align: center;
  box-shadow: 0 20px 50px -10px rgba(115, 71, 41, 0.4);
}

.phil-quote-text {
  font-family: var(--font-serif);
  font-size: 2.25rem;
  line-height: 1.35;
  margin-bottom: 1.25rem;
}

.phil-quote-sub {
  color: #ffffff;
  font-size: 1.0625rem;
  max-width: 720px;
  margin: 0 auto;
  opacity: 1;
  line-height: 1.65;
}

/* ==========================================================================
   CONSULTATION CTA & APPOINTMENT FORM
   ========================================================================== */
.consultation-section {
  background: linear-gradient(180deg, var(--color-cream) 0%, var(--color-offwhite) 100%);
  padding: 7rem 0;
  position: relative;
}

.consultation-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 4rem;
  align-items: flex-start;
  margin-top: 3rem;
}

.consult-info h3 {
  font-size: 2.25rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 1.25rem;
}

.consult-info p {
  font-size: 1.05rem;
  line-height: 1.65;
  margin-bottom: 2rem;
}

.consult-direct-box {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
  display: flex;
  align-items: center;
  gap: 1.25rem;
  margin-bottom: 1.5rem;
}

.phone-icon-box {
  width: 50px;
  height: 50px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--color-walnut), var(--color-cognac));
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.phone-details .phone-label {
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--color-cognac);
  text-transform: uppercase;
}

.phone-details .phone-number {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--color-espresso);
}

.location-details-box {
  padding: 1.25rem 1.5rem;
  border-radius: var(--radius-lg);
  background: rgba(153, 93, 54, 0.05);
  border: 1px solid rgba(153, 93, 54, 0.15);
  font-size: 0.875rem;
}

.location-title {
  font-weight: 700;
  color: var(--color-espresso);
  margin-bottom: 0.25rem;
}

/* Appointment Form Card */
.form-card {
  background: var(--glass-bg);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-radius: var(--radius-xl);
  padding: 3rem;
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow-hover);
  position: relative;
}

.form-header {
  margin-bottom: 2rem;
}

.form-header h4 {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--color-espresso);
  margin-bottom: 0.35rem;
}

.form-header p {
  font-size: 0.9375rem;
  color: var(--color-espresso-muted);
}

.appointment-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
}

.form-label {
  font-family: var(--font-display);
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--color-espresso);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-sand);
  background: rgba(255, 255, 255, 0.85);
  font-family: var(--font-body);
  font-size: 0.9375rem;
  color: var(--color-espresso);
  transition: var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-cognac);
  background: #ffffff;
  box-shadow: 0 0 0 3px rgba(153, 93, 54, 0.15);
}

.form-textarea {
  resize: vertical;
  min-height: 90px;
}

/* Document Upload */
.file-upload-zone {
  border: 2px dashed var(--color-sand);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  text-align: center;
  cursor: pointer;
  background: rgba(255, 255, 255, 0.5);
  transition: var(--transition-fast);
  position: relative;
}

.file-upload-zone:hover,
.file-upload-zone.dragover {
  border-color: var(--color-cognac);
  background: rgba(153, 93, 54, 0.04);
}

.file-input-hidden {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  cursor: pointer;
}

.upload-icon {
  color: var(--color-cognac);
  margin-bottom: 0.5rem;
}

.upload-text {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-espresso);
}

.upload-hint {
  font-size: 0.75rem;
  color: var(--color-espresso-muted);
  margin-top: 0.25rem;
}

.file-preview-pill {
  display: none;
  align-items: center;
  justify-content: space-between;
  padding: 0.5rem 1rem;
  background: rgba(153, 93, 54, 0.08);
  border-radius: var(--radius-pill);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-walnut);
  margin-top: 0.75rem;
}

.file-warning {
  font-size: 0.75rem;
  color: #9C512A;
  margin-top: 0.35rem;
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.consent-checkbox-wrapper {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-top: 0.5rem;
}

.consent-checkbox-wrapper input {
  margin-top: 0.25rem;
  accent-color: var(--color-cognac);
  width: 16px;
  height: 16px;
}

.consent-label {
  font-size: 0.8125rem;
  color: var(--color-espresso-muted);
  line-height: 1.4;
}

.form-submit-btn {
  width: 100%;
  padding: 1rem;
  font-size: 1rem;
  margin-top: 0.75rem;
}

/* Success State Panel */
.form-success-panel {
  display: none;
  text-align: center;
  padding: 3rem 2rem;
  animation: fadeIn 0.4s ease-out forwards;
}

.success-icon-box {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-walnut) 0%, var(--color-cognac) 100%);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem auto;
  box-shadow: 0 12px 30px rgba(115, 71, 41, 0.3);
  animation: scaleIn 0.5s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes scaleIn {
  from { transform: scale(0.5); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

.form-success-panel h4 {
  font-size: 1.875rem;
  font-weight: 800;
  color: var(--color-espresso);
  margin-bottom: 0.75rem;
}

.form-success-panel p {
  font-size: 1rem;
  color: var(--color-espresso-muted);
  max-width: 420px;
  margin: 0 auto 2rem auto;
  line-height: 1.6;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer {
  background: var(--color-walnut-dark);
  color: #ffffff;
  padding: 5rem 0 2.5rem 0;
  position: relative;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 3.5rem;
  padding-bottom: 3.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.footer-brand h4 {
  font-size: 1.35rem;
  color: #ffffff;
  margin-bottom: 0.25rem;
}

.footer-brand .footer-qual {
  font-size: 0.875rem;
  font-weight: 700;
  color: #D4A373;
  margin-bottom: 0.5rem;
}

.footer-brand .footer-role {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.75);
  line-height: 1.45;
  margin-bottom: 1.25rem;
}

.footer-reg {
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.5);
}

.footer-col h5 {
  font-size: 0.9375rem;
  font-weight: 700;
  color: #D4A373;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 1.25rem;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-links a {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.75);
  transition: var(--transition-fast);
}

.footer-links a:hover {
  color: #ffffff;
  transform: translateX(3px);
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.75);
  margin-bottom: 0.875rem;
  line-height: 1.45;
}

.footer-contact-item svg {
  color: #D4A373;
  flex-shrink: 0;
  margin-top: 0.2rem;
}

.footer-disclaimer-box {
  margin-top: 2.5rem;
  padding: 1.5rem;
  border-radius: var(--radius-md);
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.6;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 2rem;
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.5);
  flex-wrap: wrap;
  gap: 1rem;
}

/* ==========================================================================
   MOBILE PERSISTENT BOTTOM BAR
   ========================================================================== */
.mobile-bottom-bar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: 68px;
  background: rgba(43, 27, 19, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  z-index: 999;
  padding: 0.625rem 1.25rem;
  box-shadow: 0 -8px 24px rgba(0, 0, 0, 0.25);
  transition: transform var(--transition-smooth);
}

.mobile-bottom-bar.hidden {
  transform: translateY(100%);
}

.mobile-bottom-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  height: 100%;
  align-items: center;
}

.mobile-bar-btn {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  border-radius: var(--radius-pill);
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 700;
  text-decoration: none;
}

.mobile-bar-call {
  background: rgba(255, 255, 255, 0.12);
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.mobile-bar-consult {
  background: linear-gradient(135deg, var(--color-walnut), var(--color-cognac));
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(153, 93, 54, 0.4);
}

/* ==========================================================================
   RESPONSIVE STYLES
   ========================================================================== */
@media (max-width: 1024px) {
  .hero-headline {
    font-size: 2.75rem;
  }
  
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  
  .hero-visual {
    order: -1;
  }
  
  .portrait-frame-wrapper {
    max-width: 360px;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .bsn-interactive-wrapper {
    grid-template-columns: 1fr;
  }

  .bento-card-large,
  .bento-card-medium-1,
  .bento-card-medium-2,
  .bento-card-small-1,
  .bento-card-small-2 {
    grid-column: span 12;
  }

  .trauma-banner-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .tech-grid {
    grid-template-columns: 1fr 1fr;
  }

  .proc-grid {
    grid-template-columns: 1fr 1fr;
  }

  .philosophy-principles-grid {
    grid-template-columns: 1fr;
  }

  .consultation-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
  }
}

@media (max-width: 768px) {
  section {
    padding: 4.5rem 0;
  }

  .section-title {
    font-size: 2rem;
  }

  .hero-section {
    padding-top: 7rem;
  }

  .hero-headline {
    font-size: 2.25rem;
  }

  .nav-links,
  .nav-actions .btn {
    display: none;
  }

  .mobile-menu-btn {
    display: block;
  }

  .trust-strip {
    grid-template-columns: 1fr 1fr;
  }

  .timeline-line {
    left: 20px;
  }

  .timeline-progress {
    left: 20px;
  }

  .timeline-item {
    width: 100%;
    left: 0 !important;
    padding-left: 50px !important;
    padding-right: 0 !important;
  }

  .timeline-item .timeline-node {
    left: 10px !important;
  }

  .tech-grid {
    grid-template-columns: 1fr;
  }

  .proc-grid {
    grid-template-columns: 1fr;
  }

  .trauma-procedures-list {
    grid-template-columns: 1fr;
  }

  .bsn-condition-grid {
    grid-template-columns: 1fr;
  }

  .drnb-hero-card {
    grid-template-columns: 1fr;
    gap: 1.5rem;
    text-align: center;
  }

  .drnb-badge-huge {
    border-right: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.15);
    padding-bottom: 1.5rem;
  }

  .form-card {
    padding: 1.75rem;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .mobile-bottom-bar {
    display: block;
  }
}

/* Brand anatomy illustrations */
.anatomy-image-container { width: 100%; aspect-ratio: 1; border-radius: 20px; overflow: hidden; background: #F6F0EB; }
.anatomy-image { display: block; width: 100%; height: 100%; object-fit: contain; }
.anatomy-image[hidden] { display: none; }
.anatomy-selector-tabs { flex-wrap: wrap; }
.anatomy-tab-btn:focus-visible { outline: 2px solid #E4A87C; outline-offset: 4px; }
@media (max-width: 600px) { .anatomy-visualizer-card { padding: 1.25rem; min-height: 0; } .anatomy-tab-btn { padding: 0.625rem 0.8rem; } }

/* Transparent anatomy panel and three specializations */
.anatomy-visualizer-card { background: transparent; border: 0; box-shadow: none; }
.anatomy-image-container { background: transparent; }
.anatomy-tab-btn { background: rgba(115,71,41,0.06); border-color: rgba(115,71,41,0.16); color: var(--color-walnut); }
.trust-strip { grid-template-columns: repeat(3, minmax(0, 1fr)); }
@media (max-width: 600px) { .trust-strip { grid-template-columns: 1fr; } }