/* style.css — Global Styles and Color Tokens */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&family=Poppins:wght@500;600;700&display=swap');

@import url('navbar.css');
@import url('footer.css');
@import url('animations.css');
@import url('home.css');
@import url('about.css');
@import url('services.css');
@import url('treatments.css');
@import url('gallery.css');
@import url('testimonials.css');
@import url('contact.css');
@import url('appointment.css');
@import url('responsive.css');

:root {
  /* Color Palette from HOME_UPDATED.md */
  --primary: #78D3FD;
  --premium-dark: #295B73;
  --premium-dark-hover: #1F4C61;
  --secondary: #BEEBFF;
  --background: #FCFEFF;
  --light-bg: #F4FAFD;
  --dark-bg: #295B73;
  --card-bg: #FFFFFF;
  --border-color: #E8F4FA;
  --text-heading: #314E5E;
  --text-body: #6D8795;
  --success: #8ED8B3;

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

  /* Layout Variables */
  --max-width: 1280px;
  --transition-speed: 0.3s;

  /* Shadow Tokens */
  --shadow-card: 0 10px 40px rgba(41, 91, 115, 0.05);
  --shadow-hover: 0 20px 60px rgba(41, 91, 115, 0.12);
}

/* Global Reset & Base Styles */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  height: 100%;
}

body {
  font-family: var(--font-body);
  background-color: var(--background);
  color: var(--text-body);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  min-height: 100%;
  display: flex;
  flex-direction: column;
}

main {
  flex-grow: 1;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--text-heading);
  font-weight: 600;
  line-height: 1.3;
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: color var(--transition-speed) ease;
}

a:hover {
  color: var(--premium-dark);
}

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

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* Button Component Styles */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 15px;
  border-radius: 50px;
  transition: all var(--transition-speed) cubic-bezier(0.4, 0, 0.2, 1);
  cursor: pointer;
  border: none;
  gap: 8px;
}

/* Primary Button - Premium Dark Accent */
.btn-primary {
  background-color: var(--premium-dark);
  color: #FFFFFF;
}

.btn-primary:hover {
  background-color: var(--premium-dark-hover);
  color: #FFFFFF;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(41, 91, 115, 0.2);
}

/* Secondary Button - Primary Blue */
.btn-secondary {
  background-color: var(--primary);
  color: var(--premium-dark);
}

.btn-secondary:hover {
  background-color: var(--premium-dark);
  color: #FFFFFF;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(120, 211, 253, 0.3);
}

/* Accent Button - Light Teal Outer */
.btn-accent {
  background-color: var(--secondary);
  color: var(--premium-dark);
  border: 1px solid var(--border-color);
}

.btn-accent:hover {
  background-color: var(--primary);
  color: #FFFFFF;
  transform: translateY(-2px);
}

/* Layout Page Headers */
.page-header {
  background: radial-gradient(circle at 10% 90%, var(--secondary) 0%, transparent 60%),
              radial-gradient(circle at 90% 10%, var(--light-bg) 0%, transparent 50%),
              var(--background);
  padding: 80px 0;
  text-align: center;
  border-bottom: 1px solid var(--border-color);
}

.page-header h1 {
  font-size: 40px;
  margin-bottom: 12px;
}

.page-header p {
  font-size: 16px;
  max-width: 600px;
  margin: 0 auto;
  color: var(--text-body);
}

/* Common Section Rules */
section {
  padding: 80px 0;
}

.section-light {
  background-color: var(--light-bg);
}

.section-dark {
  background-color: var(--dark-bg);
  color: #FFFFFF;
}

.section-dark h1,
.section-dark h2,
.section-dark h3,
.section-dark h4 {
  color: #FFFFFF;
}

.section-dark p {
  color: var(--secondary);
}

.section-title {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 50px auto;
}

.section-title h2 {
  font-size: 32px;
  margin-bottom: 16px;
}

.section-title p {
  font-size: 16px;
}

/* Breadcrumb Hero component */
.breadcrumb-hero {
  background-color: var(--dark-bg);
  padding: 60px 0;
  text-align: center;
  color: #FFFFFF;
}

.breadcrumb-hero h1 {
  font-size: 38px;
  color: #FFFFFF;
  margin-bottom: 8px;
}

.breadcrumb-hero p {
  color: var(--secondary);
  font-size: 16px;
  max-width: 680px;
  margin: 0 auto 16px auto;
}

.breadcrumb {
  font-size: 14px;
  font-weight: 500;
  color: var(--secondary);
}

.breadcrumb a {
  color: var(--primary);
}

.breadcrumb a:hover {
  color: #FFFFFF;
}

/* Multi-Step Forms & Input validation styles */
.appointment-card {
  background-color: var(--card-bg);
  border-radius: var(--card-radius);
  box-shadow: var(--card-shadow);
  padding: 32px;
  max-width: 720px;
  margin: 0 auto;
}

.step-progress-wrapper {
  margin-bottom: 32px;
}

.step-progress {
  display: flex;
  justify-content: space-between;
  position: relative;
}

.step-progress::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 2px;
  background-color: var(--border-color);
  z-index: 1;
  transform: translateY(-50%);
}

.progress-bar-fill {
  position: absolute;
  top: 50%;
  left: 0;
  height: 2px;
  background-color: var(--premium-dark);
  z-index: 1;
  transform: translateY(-50%);
  transition: width 0.3s ease;
  width: 0%;
}

.step-indicator {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-color: #FFFFFF;
  border: 2px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  color: var(--text-body);
  z-index: 2;
  transition: all 0.3s ease;
}

.step-indicator.active {
  border-color: var(--premium-dark);
  background-color: var(--premium-dark);
  color: #FFFFFF;
  box-shadow: 0 0 10px rgba(41,91,115,0.25);
}

.step-indicator.completed {
  border-color: var(--premium-dark);
  background-color: var(--premium-dark);
  color: #FFFFFF;
}

.form-step {
  display: none;
}

.form-step.active {
  display: block;
  animation: fadeIn 0.4s ease forwards;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-weight: 500;
  color: var(--text-heading);
  margin-bottom: 8px;
}

.form-control {
  width: 100%;
  padding: 12px 16px;
  font-family: var(--font-body);
  font-size: 15px;
  border-radius: 14px;
  border: 1px solid var(--border-color);
  background-color: var(--background);
  color: var(--text-heading);
  transition: all 0.3s ease;
}

.form-control:focus {
  outline: none;
  border-color: var(--premium-dark);
  box-shadow: 0 0 0 4px rgba(41,91,115,0.1);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

@media (max-width: 768px) {
  .form-row {
    grid-template-columns: 1fr;
    gap: 0;
  }
}

.error-message {
  color: #E53E3E;
  font-size: 13px;
  margin-top: 6px;
  display: none;
}

.form-control.invalid {
  border-color: #E53E3E;
}

.form-control.invalid:focus {
  box-shadow: 0 0 0 4px rgba(229,62,62,0.1);
}

.form-navigation {
  display: flex;
  justify-content: space-between;
  margin-top: 32px;
}

.success-panel {
  text-align: center;
  padding: 40px 20px;
}

.success-checkmark {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background-color: #38A169;
  color: #FFFFFF;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  box-shadow: 0 10px 25px rgba(56,161,105,0.3);
}

.success-checkmark svg {
  stroke-width: 3;
}