/* ===================================================================
   SURAT DENTAL CLINIC — Design System & Styles
   Premium, Trust-Forward Landing Page
   =================================================================== */

/* — Google Fonts — */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Outfit:wght@400;500;600;700;800&display=swap');

/* — CSS Custom Properties (Design Tokens) — */
:root {
  /* Color Palette */
  --navy:           #0F172A;
  --navy-deep:      #020617;
  --navy-mid:       #1E293B;
  --slate:          #334155;
  --slate-light:    #64748B;
  --sky-blue:       #0284C7;
  --sky-blue-light: #38BDF8;
  --sky-blue-pale:  #E0F2FE;
  --indigo:         #4F46E5;
  --indigo-light:   #818CF8;
  --white:          #FFFFFF;
  --alabaster:      #FAFAFA;
  --alabaster-warm: #F8FAFC;
  --amber:          #F59E0B;
  --amber-light:    #FEF3C7;
  --green:          #10B981;
  --green-light:    #D1FAE5;
  --red:            #EF4444;

  /* Typography */
  --font-heading: 'Outfit', sans-serif;
  --font-body:    'Inter', sans-serif;

  /* Spacing Scale */
  --space-xs:  0.25rem;
  --space-sm:  0.5rem;
  --space-md:  1rem;
  --space-lg:  1.5rem;
  --space-xl:  2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;

  /* Shadows */
  --shadow-sm:   0 1px 3px rgba(0,0,0,0.04), 0 1px 2px rgba(0,0,0,0.03);
  --shadow-md:   0 4px 20px -2px rgba(0,0,0,0.05);
  --shadow-lg:   0 10px 40px -4px rgba(0,0,0,0.08);
  --shadow-xl:   0 20px 60px -8px rgba(0,0,0,0.12);
  --shadow-card: 0 4px 24px -2px rgba(0,0,0,0.06);
  --shadow-glow: 0 0 30px rgba(2,132,199,0.15);

  /* Border Radius */
  --radius-sm:   6px;
  --radius-md:   10px;
  --radius-lg:   16px;
  --radius-xl:   24px;
  --radius-pill: 100px;
  --radius-full: 50%;

  /* Transitions */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --transition-fast: 200ms var(--ease-out);
  --transition-base: 350ms var(--ease-out);
  --transition-slow: 600ms var(--ease-out);

  /* Layout */
  --max-width: 1200px;
  --nav-height: 72px;
}

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

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

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  color: var(--navy);
  background-color: var(--alabaster);
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  text-decoration: none;
  color: inherit;
  transition: color var(--transition-fast);
}

button {
  cursor: pointer;
  border: none;
  outline: none;
  font-family: var(--font-body);
}

input, select, textarea {
  font-family: var(--font-body);
  outline: none;
}

ul, ol {
  list-style: none;
}

/* — Utility — */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

.section-pad {
  padding: var(--space-4xl) 0;
}

/* — Scroll Animation Classes — */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

.reveal-left {
  opacity: 0;
  transform: translateX(-50px);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}

.reveal-left.active {
  opacity: 1;
  transform: translateX(0);
}

.reveal-right {
  opacity: 0;
  transform: translateX(50px);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}

.reveal-right.active {
  opacity: 1;
  transform: translateX(0);
}

.reveal-scale {
  opacity: 0;
  transform: scale(0.9);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}

.reveal-scale.active {
  opacity: 1;
  transform: scale(1);
}

/* Stagger children */
.stagger-children .reveal {
  transition-delay: calc(var(--i, 0) * 120ms);
}

/* ===================================================================
   1. TOP NOTIFICATION RIBBON
   =================================================================== */
.top-ribbon {
  background: linear-gradient(135deg, var(--navy) 0%, var(--sky-blue) 100%);
  color: var(--white);
  text-align: center;
  padding: 10px var(--space-xl);
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  position: relative;
  z-index: 1000;
  overflow: hidden;
}

.top-ribbon::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.08), transparent);
  animation: ribbonShimmer 3s ease infinite;
}

@keyframes ribbonShimmer {
  0%   { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

.top-ribbon a {
  color: var(--sky-blue-light);
  font-weight: 700;
  transition: color var(--transition-fast);
}

.top-ribbon a:hover {
  color: var(--white);
}

.top-ribbon .ribbon-content {
  position: relative;
  z-index: 1;
}

/* ===================================================================
   2. NAVIGATION BAR
   =================================================================== */
.navbar {
  position: sticky;
  top: 0;
  z-index: 999;
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid rgba(15, 23, 42, 0.06);
  transition: box-shadow var(--transition-base), background var(--transition-base);
}

.navbar.scrolled {
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 4px 30px rgba(0,0,0,0.06);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-height);
}

.nav-brand {
  display: flex;
  align-items: center;
  height: 100%;
}

.nav-brand-logo {
  height: 56px;
  max-width: 100%;
  width: auto;
  display: block;
  object-fit: contain;
  transition: transform var(--transition-fast);
}

.nav-brand:hover .nav-brand-logo {
  transform: scale(1.02);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.nav-link {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--slate);
  position: relative;
  padding: 4px 0;
  transition: color var(--transition-fast);
}

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

.nav-link:hover {
  color: var(--sky-blue);
}

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

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 24px;
  background: linear-gradient(135deg, var(--sky-blue), var(--indigo));
  color: var(--white);
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: var(--radius-pill);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  box-shadow: 0 4px 15px rgba(2,132,199,0.3);
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(2,132,199,0.4);
}

.nav-cta:active {
  transform: translateY(0);
}

/* Mobile nav toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  padding: 8px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--navy);
  border-radius: 2px;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.nav-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ===================================================================
   3. HERO SECTION
   =================================================================== */
.hero {
  position: relative;
  min-height: calc(100vh - var(--nav-height) - 40px);
  display: flex;
  align-items: center;
  overflow: hidden;
  background: linear-gradient(160deg, #EFF6FF 0%, var(--alabaster-warm) 30%, #F5F3FF 70%, #ECFDF5 100%);
}

.hero::before {
  content: '';
  position: absolute;
  top: -20%;
  right: -10%;
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, rgba(2,132,199,0.06) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -10%;
  left: -5%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(79,70,229,0.04) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
  padding-top: var(--space-3xl);
  padding-bottom: var(--space-3xl);
  position: relative;
  z-index: 1;
}

.hero-content {
  max-width: 560px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  background: var(--amber-light);
  color: #92400E;
  font-size: 0.8rem;
  font-weight: 600;
  border-radius: var(--radius-pill);
  margin-bottom: var(--space-lg);
  border: 1px solid rgba(245,158,11,0.2);
}

.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: 800;
  line-height: 1.1;
  color: var(--navy);
  margin-bottom: var(--space-lg);
  letter-spacing: -0.03em;
}

.hero-title .highlight {
  background: linear-gradient(135deg, var(--sky-blue), var(--indigo));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.125rem;
  color: var(--slate-light);
  line-height: 1.8;
  margin-bottom: var(--space-2xl);
  max-width: 480px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  flex-wrap: wrap;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 36px;
  background: linear-gradient(135deg, var(--sky-blue), var(--indigo));
  color: var(--white);
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius-pill);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  box-shadow: 0 8px 30px rgba(2,132,199,0.3);
  position: relative;
  overflow: hidden;
}

.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, transparent 40%, rgba(255,255,255,0.15) 50%, transparent 60%);
  transform: translateX(-100%);
  transition: transform 0.6s ease;
}

.btn-primary:hover::before {
  transform: translateX(100%);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(2,132,199,0.4);
}

.btn-primary:active {
  transform: translateY(-1px);
}

.btn-phone {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 24px;
  color: var(--sky-blue);
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-pill);
  border: 2px solid rgba(2,132,199,0.2);
  background: rgba(2,132,199,0.04);
  transition: all var(--transition-fast);
}

.btn-phone:hover {
  border-color: var(--sky-blue);
  background: rgba(2,132,199,0.08);
  transform: translateY(-2px);
}

.btn-phone .phone-icon {
  width: 20px;
  height: 20px;
  animation: phonePulse 2s ease-in-out infinite;
}

@keyframes phonePulse {
  0%, 100% { transform: rotate(0deg); }
  10%      { transform: rotate(14deg); }
  20%      { transform: rotate(-8deg); }
  30%      { transform: rotate(14deg); }
  40%      { transform: rotate(-4deg); }
  50%      { transform: rotate(10deg); }
  60%      { transform: rotate(0deg); }
}

.hero-image-wrapper {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-image {
  width: 100%;
  max-width: 520px;
  border-radius: var(--radius-xl);
  object-fit: cover;
  box-shadow: var(--shadow-xl);
  position: relative;
  z-index: 1;
}

.hero-image-wrapper::before {
  content: '';
  position: absolute;
  top: -20px;
  right: -20px;
  width: 200px;
  height: 200px;
  background: linear-gradient(135deg, var(--sky-blue-pale), rgba(79,70,229,0.08));
  border-radius: var(--radius-xl);
  z-index: 0;
}

.hero-image-wrapper::after {
  content: '';
  position: absolute;
  bottom: -15px;
  left: -15px;
  width: 140px;
  height: 140px;
  background: linear-gradient(135deg, rgba(245,158,11,0.1), rgba(16,185,129,0.08));
  border-radius: var(--radius-lg);
  z-index: 0;
}

/* Floating stat badges */
.hero-float-badge {
  position: absolute;
  z-index: 2;
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 14px 18px;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 10px;
  animation: floatBadge 4s ease-in-out infinite;
}

.hero-float-badge:nth-child(2) {
  top: 15%;
  right: -8%;
  animation-delay: 0s;
}

.hero-float-badge:nth-child(3) {
  bottom: 15%;
  left: -5%;
  animation-delay: 1.5s;
}

@keyframes floatBadge {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-10px); }
}

.float-badge-icon {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

.float-badge-icon.blue {
  background: var(--sky-blue-pale);
  color: var(--sky-blue);
}

.float-badge-icon.green {
  background: var(--green-light);
  color: var(--green);
}

.float-badge-text strong {
  display: block;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--navy);
}

.float-badge-text span {
  font-size: 0.75rem;
  color: var(--slate-light);
}

/* ===================================================================
   4. PHILOSOPHY & ABOUT SECTION
   =================================================================== */
.about-section {
  position: relative;
  background: linear-gradient(180deg, #F0F7FF 0%, var(--white) 30%, var(--white) 70%, #F5F3FF 100%);
}

.about-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 400px;
  background: radial-gradient(ellipse at 20% 0%, rgba(2,132,199,0.07) 0%, transparent 50%),
              radial-gradient(ellipse at 80% 20%, rgba(79,70,229,0.05) 0%, transparent 50%);
  pointer-events: none;
}

.about-section::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(2,132,199,0.1), rgba(79,70,229,0.1), transparent);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: start;
  position: relative;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--sky-blue);
  margin-bottom: var(--space-md);
}

.section-label::before {
  content: '';
  display: block;
  width: 32px;
  height: 2px;
  background: var(--sky-blue);
  border-radius: 2px;
}

.about-title {
  font-family: var(--font-heading);
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  font-weight: 700;
  color: var(--navy);
  line-height: 1.25;
  margin-bottom: var(--space-lg);
  letter-spacing: -0.02em;
}

.about-text {
  color: var(--slate-light);
  font-size: 1rem;
  margin-bottom: var(--space-lg);
}

.about-features {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  margin-top: var(--space-xl);
}

.about-feature-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 14px 16px;
  border-radius: var(--radius-md);
  transition: background var(--transition-fast);
}

.about-feature-item:hover {
  background: var(--alabaster);
}

.about-feature-icon {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  background: var(--sky-blue-pale);
  color: var(--sky-blue);
}

.about-feature-text strong {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 2px;
}

.about-feature-text span {
  font-size: 0.835rem;
  color: var(--slate-light);
}

/* Doctor Card */
.doctor-card {
  background: var(--white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  border: 1px solid rgba(15,23,42,0.06);
  position: relative;
}

.doctor-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 6px;
  background: linear-gradient(90deg, var(--sky-blue), var(--indigo));
}

.doctor-card-image {
  width: 100%;
  height: 320px;
  object-fit: cover;
  object-position: top center;
}

.doctor-card-body {
  padding: var(--space-xl) var(--space-xl) var(--space-lg);
}

.doctor-card-name {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 4px;
}

.doctor-card-title {
  font-size: 0.875rem;
  color: var(--sky-blue);
  font-weight: 500;
  margin-bottom: var(--space-md);
}

.doctor-specialties {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
}

.specialty-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  background: linear-gradient(135deg, rgba(2, 132, 199, 0.06), rgba(79, 70, 229, 0.06));
  border: 1px solid rgba(2, 132, 199, 0.12);
  border-radius: var(--radius-pill);
  color: var(--navy);
  font-size: 0.825rem;
  font-weight: 600;
  transition: transform 300ms var(--ease-spring), box-shadow 300ms var(--ease-spring), border-color 200ms var(--ease-out), background 200ms var(--ease-out);
  cursor: default;
  box-shadow: var(--shadow-sm);
  animation: badgeEntrance 0.8s var(--ease-spring) both;
}

.specialty-badge:nth-child(1) {
  animation-delay: 200ms;
}

.specialty-badge:nth-child(2) {
  animation-delay: 400ms;
}

.specialty-badge:hover {
  transform: scale(1.06) translateY(-2px);
  border-color: var(--sky-blue);
  background: linear-gradient(135deg, rgba(2, 132, 199, 0.12), rgba(79, 70, 229, 0.12));
  box-shadow: 0 8px 20px rgba(2, 132, 199, 0.14);
}

.specialty-badge .badge-icon {
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 300ms var(--ease-spring);
}

.specialty-badge:hover .badge-icon {
  transform: scale(1.25) rotate(15deg);
}

@keyframes badgeEntrance {
  from {
    opacity: 0;
    transform: scale(0.8) translateY(10px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

.doctor-card-desc {
  font-size: 0.875rem;
  color: var(--slate-light);
  line-height: 1.7;
  margin-bottom: var(--space-lg);
}

.doctor-trust-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  background: linear-gradient(135deg, var(--green-light), rgba(16,185,129,0.05));
  color: #065F46;
  font-size: 0.8rem;
  font-weight: 600;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(16,185,129,0.2);
}

/* ===================================================================
   5. TREATMENT MATRIX (Tabbed Specialties Redesign)
   =================================================================== */
.treatments-section {
  background: linear-gradient(180deg, #F5F3FF 0%, #EFF6FF 25%, var(--alabaster-warm) 60%, #ECFDF5 100%);
  position: relative;
}

.treatments-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    radial-gradient(ellipse at 15% 15%, rgba(79,70,229,0.05) 0%, transparent 50%),
    radial-gradient(ellipse at 85% 80%, rgba(2,132,199,0.05) 0%, transparent 50%);
  pointer-events: none;
}

.treatments-section::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(2,132,199,0.1), rgba(79,70,229,0.1), transparent);
}

.section-header {
  text-align: center;
  max-width: 620px;
  margin: 0 auto var(--space-3xl);
}

.section-header .section-label {
  justify-content: center;
}

.section-header-title {
  font-family: var(--font-heading);
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 700;
  color: var(--navy);
  margin-bottom: var(--space-md);
  letter-spacing: -0.02em;
}

.section-header-subtitle {
  font-size: 1.05rem;
  color: var(--slate-light);
}

/* Tabs Container */
.treatments-tabs-container {
  max-width: 1000px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
}

/* Tab Navigation */
.treatments-tab-nav {
  display: flex;
  background: rgba(15, 23, 42, 0.03);
  padding: 6px;
  border-radius: var(--radius-pill);
  margin-bottom: var(--space-2xl);
  position: relative;
  border: 1px solid rgba(15, 23, 42, 0.05);
}

.treatments-tab-btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 20px;
  background: transparent;
  border: none;
  border-radius: var(--radius-pill);
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--slate);
  transition: color var(--transition-base);
  position: relative;
  z-index: 2;
  cursor: pointer;
}

.treatments-tab-btn.active {
  color: var(--navy);
}

.tab-btn-number {
  font-size: 0.75rem;
  opacity: 0.5;
  font-weight: 700;
}

.tab-btn-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: var(--radius-md);
  transition: transform var(--transition-fast), background var(--transition-fast);
}

/* Colored themes for buttons on active */
.treatments-tab-btn.active[data-tab="implants"] .tab-btn-icon {
  background: var(--sky-blue-pale);
  color: var(--sky-blue);
}

.treatments-tab-btn.active[data-tab="cosmetic"] .tab-btn-icon {
  background: #F3E8FF;
  color: var(--indigo);
}

.treatments-tab-btn.active[data-tab="laser"] .tab-btn-icon {
  background: var(--green-light);
  color: var(--green);
}

.tab-nav-indicator {
  position: absolute;
  top: 6px;
  bottom: 6px;
  left: 6px;
  width: calc(33.333% - 8px); /* default width */
  background: var(--white);
  border-radius: var(--radius-pill);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.06), 0 1px 3px rgba(0,0,0,0.02);
  z-index: 1;
  transition: transform 380ms cubic-bezier(0.16, 1, 0.3, 1), width 380ms cubic-bezier(0.16, 1, 0.3, 1);
}

/* Tab Panel Styles */
.treatments-tab-panels {
  background: var(--white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(15, 23, 42, 0.04);
  overflow: hidden;
  position: relative;
}

.treatments-tab-panel {
  display: none;
  animation: tabFadeIn 500ms var(--ease-out) forwards;
}

.treatments-tab-panel.active {
  display: block;
}

@keyframes tabFadeIn {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.tab-panel-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  align-items: stretch;
}

/* Panel Info Column */
.tab-panel-info {
  padding: var(--space-2xl) var(--space-2xl);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.panel-badge {
  display: inline-block;
  align-self: flex-start;
  font-size: 0.725rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  margin-bottom: var(--space-md);
}

#panel-implants .panel-badge {
  background: var(--sky-blue-pale);
  color: var(--sky-blue);
}

#panel-cosmetic .panel-badge {
  background: #F3E8FF;
  color: var(--indigo);
}

#panel-laser .panel-badge {
  background: var(--green-light);
  color: var(--green);
}

.panel-title {
  font-family: var(--font-heading);
  font-size: clamp(1.4rem, 2.5vw, 1.8rem);
  font-weight: 700;
  color: var(--navy);
  margin-bottom: var(--space-sm);
  letter-spacing: -0.01em;
}

.panel-desc {
  font-size: 0.95rem;
  color: var(--slate-light);
  line-height: 1.7;
  margin-bottom: var(--space-xl);
}

/* Panel Features List */
.panel-features-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  margin-bottom: var(--space-2xl);
}

.panel-feature-item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}

.feature-check {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: var(--radius-full);
  flex-shrink: 0;
  margin-top: 2px;
}

#panel-implants .feature-check {
  background: var(--sky-blue-pale);
  color: var(--sky-blue);
}

#panel-cosmetic .feature-check {
  background: #F3E8FF;
  color: var(--indigo);
}

#panel-laser .feature-check {
  background: var(--green-light);
  color: var(--green);
}

.feature-text strong {
  display: block;
  font-size: 0.9rem;
  color: var(--navy);
  font-weight: 600;
  margin-bottom: 2px;
}

.feature-text span {
  font-size: 0.835rem;
  color: var(--slate-light);
  line-height: 1.5;
  display: block;
}

/* Panel CTA Button */
.btn-panel-cta {
  display: inline-flex;
  align-items: center;
  align-self: flex-start;
  gap: 8px;
  padding: 12px 28px;
  color: var(--white);
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: var(--radius-pill);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

#panel-implants .btn-panel-cta {
  background: linear-gradient(135deg, var(--sky-blue), var(--indigo));
  box-shadow: 0 4px 15px rgba(2, 132, 199, 0.2);
}

#panel-cosmetic .btn-panel-cta {
  background: linear-gradient(135deg, var(--indigo), #8B5CF6);
  box-shadow: 0 4px 15px rgba(79, 70, 229, 0.2);
}

#panel-laser .btn-panel-cta {
  background: linear-gradient(135deg, var(--green), #059669);
  box-shadow: 0 4px 15px rgba(16, 185, 129, 0.2);
}

.btn-panel-cta:hover {
  transform: translateY(-2px);
}

#panel-implants .btn-panel-cta:hover {
  box-shadow: 0 8px 25px rgba(2, 132, 199, 0.35);
}

#panel-cosmetic .btn-panel-cta:hover {
  box-shadow: 0 8px 25px rgba(79, 70, 229, 0.35);
}

#panel-laser .btn-panel-cta:hover {
  box-shadow: 0 8px 25px rgba(16, 185, 129, 0.35);
}

/* Panel Visual Column */
.tab-panel-visual {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-2xl);
  position: relative;
  overflow: hidden;
}

/* Column backgrounds based on themes */
.tab-panel-visual.theme-blue-visual {
  background: linear-gradient(135deg, #F8FAFC 0%, #EFF6FF 100%);
}

.tab-panel-visual.theme-purple-visual {
  background: linear-gradient(135deg, #F8FAFC 0%, #F5F3FF 100%);
}

.tab-panel-visual.theme-emerald-visual {
  background: linear-gradient(135deg, #F8FAFC 0%, #ECFDF5 100%);
}

/* Visual Card Graphic */
.visual-card {
  width: 100%;
  max-width: 320px;
  background: var(--white);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(15, 23, 42, 0.05);
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.04);
  padding: var(--space-lg);
  position: relative;
  z-index: 1;
}

.visual-card-glow {
  position: absolute;
  inset: 0;
  border-radius: var(--radius-lg);
  pointer-events: none;
  z-index: 0;
  opacity: 0.15;
  filter: blur(24px);
  transition: opacity var(--transition-base);
}

.theme-blue-visual .visual-card-glow {
  background: radial-gradient(circle, var(--sky-blue) 0%, transparent 70%);
}

.theme-purple-visual .visual-card-glow {
  background: radial-gradient(circle, var(--indigo) 0%, transparent 70%);
}

.theme-emerald-visual .visual-card-glow {
  background: radial-gradient(circle, var(--green) 0%, transparent 70%);
}

.visual-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-lg);
  border-bottom: 1px dashed rgba(15, 23, 42, 0.08);
  padding-bottom: var(--space-xs);
}

.visual-tag {
  font-size: 0.65rem;
  font-weight: 700;
  color: var(--slate-light);
  letter-spacing: 0.05em;
  font-family: monospace;
}

.visual-status {
  font-size: 0.65rem;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: var(--radius-pill);
}

.theme-blue-visual .visual-status {
  background: var(--sky-blue-pale);
  color: var(--sky-blue);
}

.theme-purple-visual .visual-status {
  background: #F3E8FF;
  color: var(--indigo);
}

.theme-emerald-visual .visual-status {
  background: var(--green-light);
  color: var(--green);
}

/* Schematic SVG Visuals */
.schematic-teeth {
  width: 100%;
  height: 140px;
  margin-bottom: var(--space-md);
  display: flex;
  align-items: center;
  justify-content: center;
}

.schematic-svg {
  width: 100%;
  height: 100%;
}

.visual-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: var(--space-md);
  border-top: 1px solid rgba(15, 23, 42, 0.05);
  padding-top: var(--space-md);
}

.stat-box {
  display: flex;
  flex-direction: column;
}

.stat-val {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--navy);
}

.theme-blue-visual .stat-val {
  color: var(--sky-blue);
}

.theme-purple-visual .stat-val {
  color: var(--indigo);
}

.theme-emerald-visual .stat-val {
  color: var(--green);
}

.stat-lbl {
  font-size: 0.675rem;
  color: var(--slate-light);
  font-weight: 500;
}

@media (max-width: 768px) {
  .treatments-tab-nav {
    flex-direction: column;
    border-radius: var(--radius-lg);
    padding: 8px;
    gap: 4px;
  }
  .tab-nav-indicator {
    display: none; /* Hide sliding indicator on vertical stack */
  }
  .treatments-tab-btn {
    width: 100%;
    justify-content: flex-start;
  }
  .treatments-tab-btn.active {
    background: var(--white);
    box-shadow: var(--shadow-sm);
  }
  .tab-panel-grid {
    grid-template-columns: 1fr;
  }
  .tab-panel-visual {
    order: -1; /* Visual on top for mobile */
    padding: var(--space-xl) var(--space-xl) 0;
  }
  .tab-panel-info {
    padding: var(--space-xl) var(--space-xl);
  }
}



/* ===================================================================
   6. SOCIAL PROOF & BEFORE/AFTER
   =================================================================== */
.proof-section {
  background: linear-gradient(180deg, #ECFDF5 0%, var(--white) 20%, var(--white) 80%, #EFF6FF 100%);
  position: relative;
  overflow: hidden;
}

.proof-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    radial-gradient(ellipse at 80% 20%, rgba(79,70,229,0.04) 0%, transparent 50%),
    radial-gradient(ellipse at 20% 80%, rgba(2,132,199,0.04) 0%, transparent 50%);
  pointer-events: none;
}

.proof-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: start;
  position: relative;
  z-index: 1;
}

/* Before/After Slider — Overlay approach */
.ba-container {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: 0 10px 40px -6px rgba(0,0,0,0.15), 0 4px 12px rgba(0,0,0,0.06);
  cursor: col-resize;
  aspect-ratio: 16/11;
  user-select: none;
  border: 3px solid var(--white);
}

/* After image: base layer — bright clean teeth */
.ba-after-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  position: absolute;
  top: 0;
  left: 0;
}

/* Before overlay: clips based on slider position */
.ba-overlay {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: 50%;
  overflow: hidden;
  z-index: 1;
}

.ba-overlay img {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  max-width: none !important;
  object-fit: cover;
  display: block;
}


.ba-slider-line {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--white);
  z-index: 3;
  left: 50%;
  transform: translateX(-50%);
  pointer-events: none;
  box-shadow: 0 0 8px rgba(0,0,0,0.3);
}

.ba-slider-handle {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  background: var(--white);
  box-shadow: 0 4px 20px rgba(0,0,0,0.25), 0 0 0 3px rgba(255,255,255,0.5);
  z-index: 4;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  cursor: col-resize;
  transition: box-shadow var(--transition-fast), transform 0.1s ease;
}

.ba-slider-handle:hover {
  box-shadow: 0 6px 28px rgba(0,0,0,0.3), 0 0 0 4px rgba(2,132,199,0.3);
}

.ba-slider-handle .arrow {
  width: 0;
  height: 0;
  border-top: 6px solid transparent;
  border-bottom: 6px solid transparent;
}

.ba-slider-handle .arrow-left {
  border-right: 8px solid var(--sky-blue);
}

.ba-slider-handle .arrow-right {
  border-left: 8px solid var(--sky-blue);
}

.ba-labels {
  position: absolute;
  bottom: 16px;
  left: 0;
  right: 0;
  display: flex;
  justify-content: space-between;
  padding: 0 16px;
  z-index: 5;
  pointer-events: none;
}

.ba-label {
  padding: 6px 16px;
  color: var(--white);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-radius: var(--radius-pill);
  backdrop-filter: blur(8px);
}

.ba-label.label-before {
  background: rgba(0,0,0,0.6);
}

.ba-label.label-after {
  background: linear-gradient(135deg, rgba(2,132,199,0.8), rgba(79,70,229,0.8));
}

/* Testimonials */
.testimonials-wrapper {
  position: relative;
}

.testimonials-carousel {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}

.testimonial-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  border: 1px solid rgba(15,23,42,0.06);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-fast);
}

.testimonial-card:hover {
  box-shadow: var(--shadow-md);
}

.testimonial-stars {
  color: var(--amber);
  font-size: 0.9rem;
  margin-bottom: var(--space-sm);
  letter-spacing: 2px;
}

.testimonial-text {
  font-size: 0.925rem;
  color: var(--slate);
  line-height: 1.75;
  margin-bottom: var(--space-md);
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.testimonial-avatar {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--sky-blue-pale), var(--indigo-light));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-weight: 700;
  font-size: 0.875rem;
}

.testimonial-author-name {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--navy);
}

.testimonial-author-info {
  font-size: 0.75rem;
  color: var(--slate-light);
}

.testimonial-nav {
  display: flex;
  gap: 8px;
  margin-top: var(--space-lg);
}

.testimonial-dot {
  width: 10px;
  height: 10px;
  border-radius: var(--radius-full);
  background: rgba(15,23,42,0.12);
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.testimonial-dot.active {
  background: var(--sky-blue);
  width: 28px;
  border-radius: 6px;
}

/* ===================================================================
   7. APPOINTMENT BOOKING ENGINE
   =================================================================== */
.booking-section {
  background: linear-gradient(180deg, var(--navy) 0%, var(--navy-deep) 100%);
  color: var(--white);
  position: relative;
  overflow: hidden;
}

.booking-section::before {
  content: '';
  position: absolute;
  top: -200px;
  right: -100px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(2,132,199,0.08) 0%, transparent 70%);
  pointer-events: none;
}

.booking-section::after {
  content: '';
  position: absolute;
  bottom: -100px;
  left: -50px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(79,70,229,0.06) 0%, transparent 70%);
  pointer-events: none;
}

.booking-grid {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: var(--space-3xl);
  align-items: start;
  position: relative;
  z-index: 1;
}

.booking-info {
  padding-top: var(--space-xl);
}

.booking-info .section-label {
  color: var(--sky-blue-light);
}

.booking-info .section-label::before {
  background: var(--sky-blue-light);
}

.booking-title {
  font-family: var(--font-heading);
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  font-weight: 700;
  color: var(--white);
  line-height: 1.25;
  margin-bottom: var(--space-lg);
  letter-spacing: -0.02em;
}

.booking-desc {
  color: rgba(255,255,255,0.6);
  font-size: 1rem;
  margin-bottom: var(--space-2xl);
}

.booking-detail {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: var(--space-lg);
}

.booking-detail-icon {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  border-radius: var(--radius-md);
  background: rgba(2,132,199,0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}

.booking-detail-text strong {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 2px;
}

.booking-detail-text span {
  font-size: 0.835rem;
  color: rgba(255,255,255,0.5);
  line-height: 1.5;
}

.booking-hours-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  background: rgba(245,158,11,0.1);
  color: var(--amber);
  font-size: 0.8rem;
  font-weight: 600;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(245,158,11,0.2);
  margin-top: var(--space-md);
}

/* Form Card */
.booking-form-card {
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
  position: relative;
  overflow: hidden;
}

.booking-form-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--sky-blue), var(--indigo), var(--sky-blue-light));
}

.form-title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: var(--space-xl);
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group.full-width {
  grid-column: 1 / -1;
}

.form-label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--slate);
  letter-spacing: 0.02em;
}

.form-input,
.form-select {
  padding: 12px 16px;
  border: 1.5px solid rgba(15,23,42,0.1);
  border-radius: var(--radius-md);
  font-size: 0.925rem;
  color: var(--navy);
  background: var(--alabaster-warm);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus,
.form-select:focus {
  border-color: var(--sky-blue);
  box-shadow: 0 0 0 3px rgba(2,132,199,0.1);
  background: var(--white);
}

.form-input::placeholder {
  color: rgba(15,23,42,0.3);
}

.form-select {
  appearance: none;
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2364748B' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 40px;
}

/* Custom Multiselect */
.custom-multiselect {
  position: relative;
  width: 100%;
}

.multiselect-trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border: 1.5px solid rgba(15, 23, 42, 0.1);
  border-radius: var(--radius-md);
  font-size: 0.925rem;
  color: var(--navy);
  background: var(--alabaster-warm);
  cursor: pointer;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background-color var(--transition-fast);
  user-select: none;
}

.multiselect-trigger:focus,
.custom-multiselect.open .multiselect-trigger {
  border-color: var(--sky-blue);
  box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.1);
  background: var(--white);
}

.trigger-text {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: calc(100% - 20px);
}

.trigger-text.placeholder {
  color: rgba(15, 23, 42, 0.3);
}

.trigger-arrow {
  width: 16px;
  height: 16px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2364748B' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
  transition: transform var(--transition-fast);
}

.custom-multiselect.open .trigger-arrow {
  transform: rotate(180deg);
}

.multiselect-dropdown {
  display: none;
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  right: 0;
  background: var(--white);
  border: 1.5px solid rgba(15, 23, 42, 0.1);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  z-index: 100;
  max-height: 240px;
  overflow-y: auto;
  padding: 4px 0;
  animation: dropdownFadeIn 200ms var(--ease-out);
}

.custom-multiselect.open .multiselect-dropdown {
  display: block;
}

@keyframes dropdownFadeIn {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.multiselect-option {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 16px;
  cursor: pointer;
  transition: background var(--transition-fast);
  user-select: none;
}

.multiselect-option:hover {
  background: rgba(2, 132, 199, 0.05);
}

.multiselect-option.selected {
  background: rgba(2, 132, 199, 0.08);
}

.multiselect-option input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: var(--sky-blue);
  cursor: pointer;
}

.multiselect-option label {
  font-size: 0.9rem;
  color: var(--slate);
  cursor: pointer;
  flex-grow: 1;
}

.multiselect-option.selected label {
  color: var(--sky-blue);
  font-weight: 600;
}

/* Alert styles for past slots */
.no-slots-alert {
  padding: 12px 16px;
  background: rgba(239, 68, 68, 0.08);
  border: 1px dashed rgba(239, 68, 68, 0.2);
  border-radius: var(--radius-md);
  color: #991B1B;
  font-size: 0.85rem;
  font-weight: 600;
  margin-top: var(--space-md);
  margin-bottom: var(--space-sm);
  animation: shake 0.5s ease;
}

.form-error-msg {
  display: none;
  font-size: 0.725rem;
  color: var(--red);
  margin-top: 4px;
  font-weight: 500;
  animation: slideDownFade 200ms var(--ease-out);
}

.form-error-msg.visible {
  display: block;
}

@keyframes slideDownFade {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}


/* Time Slots Grid */
.time-slots-label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--slate);
  letter-spacing: 0.02em;
  margin-bottom: 8px;
  margin-top: var(--space-md);
}

.time-slots-section-title {
  font-size: 0.725rem;
  font-weight: 700;
  color: var(--slate-light);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 8px;
  margin-top: var(--space-md);
}

.time-slots-container {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  margin-bottom: var(--space-md);
}

.time-slot {
  padding: 10px 8px;
  border: 1.5px solid rgba(15,23,42,0.08);
  border-radius: var(--radius-md);
  background: var(--alabaster-warm);
  text-align: center;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--slate);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.time-slot:hover {
  border-color: var(--sky-blue);
  color: var(--sky-blue);
  background: rgba(2,132,199,0.04);
}

.time-slot.selected {
  border-color: var(--sky-blue);
  background: linear-gradient(135deg, var(--sky-blue), var(--indigo));
  color: var(--white);
  box-shadow: 0 4px 12px rgba(2,132,199,0.25);
}

.time-slot:disabled,
.time-slot.disabled {
  opacity: 0.45;
  cursor: not-allowed;
  pointer-events: none;
  background: #E2E8F0;
  border-color: #E2E8F0;
  color: #94A3B8;
  box-shadow: none;
}

.btn-submit {
  width: 100%;
  padding: 16px;
  background: linear-gradient(135deg, var(--sky-blue), var(--indigo));
  color: var(--white);
  font-size: 1rem;
  font-weight: 700;
  border-radius: var(--radius-md);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  box-shadow: 0 8px 30px rgba(2,132,199,0.3);
  position: relative;
  overflow: hidden;
  letter-spacing: 0.02em;
}

.btn-submit::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, transparent 40%, rgba(255,255,255,0.15) 50%, transparent 60%);
  transform: translateX(-100%);
  transition: transform 0.6s ease;
}

.btn-submit:hover::before {
  transform: translateX(100%);
}

.btn-submit:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(2,132,199,0.4);
}

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

.btn-submit:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

/* Success State */
.form-success {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-3xl) var(--space-xl);
  animation: fadeInScale 0.6s var(--ease-spring);
}

.form-success.visible {
  display: flex;
}

.success-checkmark {
  width: 80px;
  height: 80px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--green), #059669);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: var(--white);
  margin-bottom: var(--space-lg);
  box-shadow: 0 8px 30px rgba(16,185,129,0.3);
  animation: bounceIn 0.6s var(--ease-spring) 0.2s both;
}

@keyframes bounceIn {
  0%   { transform: scale(0); }
  50%  { transform: scale(1.15); }
  100% { transform: scale(1); }
}

@keyframes fadeInScale {
  0%   { opacity: 0; transform: scale(0.9); }
  100% { opacity: 1; transform: scale(1); }
}

.success-title {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 8px;
}

.success-text {
  font-size: 0.95rem;
  color: var(--slate-light);
  max-width: 360px;
}

.success-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  background: var(--green-light);
  color: #065F46;
  font-size: 0.8rem;
  font-weight: 600;
  border-radius: var(--radius-pill);
  margin-top: var(--space-lg);
}

/* Form transition on success */
.booking-form-inner {
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.booking-form-inner.hidden {
  opacity: 0;
  transform: translateY(-20px) scale(0.95);
  pointer-events: none;
  position: absolute;
  width: 100%;
}

/* ===================================================================
   8. FOOTER
   =================================================================== */
.footer {
  background: var(--navy-deep);
  color: rgba(255,255,255,0.5);
  text-align: center;
  padding: var(--space-2xl) var(--space-xl);
  border-top: 1px solid rgba(255,255,255,0.06);
}

.footer-brand {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-bottom: var(--space-md);
}

.footer-brand-logo {
  height: 52px;
  max-width: 100%;
  width: auto;
  display: block;
  object-fit: contain;
  opacity: 0.9;
  transition: opacity var(--transition-fast);
}

.footer-brand-logo:hover {
  opacity: 1;
}

.footer-text {
  font-size: 0.8rem;
  margin-top: var(--space-md);
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: var(--space-lg);
  margin-top: var(--space-md);
}

.footer-links a {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.4);
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--sky-blue-light);
}

/* — Map & Address Location Links — */
.booking-location-link {
  display: block;
  color: inherit;
  transition: transform var(--transition-fast);
}

.booking-location-link:hover {
  transform: translateY(-2px);
}

.booking-location-link:hover .booking-detail-icon {
  background: var(--sky-blue);
  color: var(--white);
}

.booking-location-link:hover .booking-detail-text span {
  color: var(--sky-blue-light);
}

.footer-location-link {
  color: rgba(255, 255, 255, 0.7);
  transition: color var(--transition-fast);
}

.footer-location-link:hover {
  color: var(--sky-blue-light);
  text-decoration: underline;
}

.text-location-link {
  color: var(--sky-blue);
  font-weight: 600;
  border-bottom: 1.5px dashed rgba(2, 132, 199, 0.3);
  transition: border-color var(--transition-fast), color var(--transition-fast);
}

.text-location-link:hover {
  color: var(--indigo);
  border-bottom-color: var(--indigo);
}

/* ===================================================================
   RESPONSIVE DESIGN
   =================================================================== */
@media (max-width: 1024px) {
  .hero .container {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-content {
    max-width: 100%;
    order: 1;
  }

  .hero-subtitle {
    max-width: 100%;
    margin-left: auto;
    margin-right: auto;
  }

  .hero-actions {
    justify-content: center;
  }

  .hero-image-wrapper {
    order: 0;
    max-width: 500px;
    margin: 0 auto;
  }

  .hero-float-badge:nth-child(2) {
    right: 0;
  }

  .hero-float-badge:nth-child(3) {
    left: 0;
  }

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

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

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

@media (max-width: 768px) {
  :root {
    --nav-height: 64px;
  }

  .nav-brand-logo {
    height: 46px;
  }

  .footer-brand-logo {
    height: 44px;
  }

  .container {
    padding: 0 var(--space-lg);
  }

  .section-pad {
    padding: var(--space-3xl) 0;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: var(--nav-height);
    left: 0;
    right: 0;
    flex-direction: column;
    background: rgba(255,255,255,0.97);
    backdrop-filter: blur(20px);
    padding: var(--space-lg);
    gap: var(--space-md);
    border-bottom: 1px solid rgba(15,23,42,0.06);
    box-shadow: var(--shadow-lg);
  }

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

  .nav-toggle {
    display: flex;
  }

  .treatments-grid {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

  .time-slots-container {
    grid-template-columns: repeat(3, 1fr);
  }

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

  .hero-float-badge {
    display: none;
  }

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

  .ba-container {
    aspect-ratio: 4/3;
  }
}

@media (max-width: 480px) {
  .hero-actions {
    flex-direction: column;
    width: 100%;
  }

  .btn-primary,
  .btn-phone {
    width: 100%;
    justify-content: center;
  }

  .time-slots-container {
    grid-template-columns: repeat(2, 1fr);
  }

  .top-ribbon {
    font-size: 0.75rem;
    padding: 8px var(--space-md);
  }
}

/* — Smooth Scroll Performance — */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}