/* ===================================
   CSS Variables & Reset
   =================================== */

:root {
  /* Colors - Calm wellness palette */
  --color-primary: #4a90a4;
  --color-primary-dark: #357a8f;
  --color-primary-light: #6ba8ba;
  --color-secondary: #7fb069;
  --color-secondary-dark: #6a9456;
  --color-accent: #e8b4b8;
  --color-text: #2c3e50;
  --color-text-light: #5a6c7d;
  --color-text-muted: #8b9aa8;
  --color-bg: #ffffff;
  --color-bg-alt: #f8fafb;
  --color-bg-dark: #e8eef2;
  --color-border: #d4dfe6;
  --color-success: #7fb069;
  --color-error: #e07a5f;
  --color-warning: #f4a261;

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

  /* Typography */
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-serif: "Playfair Display", Georgia, serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 2rem;
  --font-size-4xl: 2.5rem;
  --font-size-5xl: 3rem;

  /* Layout */
  --container-width: 1200px;
  --border-radius: 0.5rem;
  --border-radius-lg: 1rem;
  --transition: all 0.3s ease;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);

  /* Header */
  --header-height: 70px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-sans);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Screen reader only */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* ===================================
   Typography
   =================================== */

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-serif);
  font-weight: 600;
  line-height: 1.2;
  color: var(--color-text);
  margin-bottom: var(--spacing-md);
}

h1 {
  font-size: clamp(2rem, 5vw, var(--font-size-5xl));
}
h2 {
  font-size: clamp(1.75rem, 4vw, var(--font-size-4xl));
}
h3 {
  font-size: clamp(1.5rem, 3vw, var(--font-size-3xl));
}
h4 {
  font-size: var(--font-size-xl);
}

p {
  margin-bottom: var(--spacing-md);
}

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

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

a:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
  border-radius: 2px;
}

/* ===================================
   Layout Components
   =================================== */

.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

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

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

.section-title {
  text-align: center;
  margin-bottom: var(--spacing-md);
}

.section-subtitle {
  text-align: center;
  font-size: var(--font-size-lg);
  color: var(--color-text-light);
  max-width: 700px;
  margin: 0 auto var(--spacing-xl);
}

/* Fade-in animation */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===================================
   Header & Navigation
   =================================== */

.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-sm);
  height: var(--header-height);
}

.nav-container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-family: var(--font-serif);
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--color-primary);
}

.nav-menu {
  display: flex;
  gap: var(--spacing-lg);
  list-style: none;
}

.nav-menu a {
  color: var(--color-text);
  font-weight: 500;
  font-size: var(--font-size-sm);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--border-radius);
  transition: var(--transition);
}

.nav-menu a:hover {
  background-color: var(--color-bg-alt);
  color: var(--color-primary);
}

.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-xs);
}

.mobile-menu-toggle span {
  width: 24px;
  height: 3px;
  background-color: var(--color-text);
  border-radius: 2px;
  transition: var(--transition);
}

/* Mobile Navigation */
@media (max-width: 768px) {
  .mobile-menu-toggle {
    display: flex;
  }

  .nav-menu {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    flex-direction: column;
    background-color: var(--color-bg);
    padding: var(--spacing-lg);
    gap: var(--spacing-sm);
    box-shadow: var(--shadow-lg);
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: var(--transition);
  }

  .nav-menu.active {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
  }

  .nav-menu a {
    display: block;
    padding: var(--spacing-sm);
  }
}

/* ===================================
   Hero Section
   =================================== */

.hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
  align-items: center;
  min-height: calc(100vh - var(--header-height));
  padding: var(--spacing-3xl) var(--spacing-md);
  max-width: var(--container-width);
  margin: 0 auto;
}

.hero-content {
  max-width: 600px;
}

.hero-title {
  margin-bottom: var(--spacing-md);
  line-height: 1.1;
}

.hero-subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-text-light);
  margin-bottom: var(--spacing-xl);
  line-height: 1.6;
}

.hero-cta {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

.hero-image {
  position: relative;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.hero-image img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

@media (max-width: 968px) {
  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding: var(--spacing-2xl) var(--spacing-md);
  }

  .hero-image {
    order: -1;
    max-height: 400px;
  }

  .hero-image img {
    height: 100%;
  }
}

/* ===================================
   Buttons
   =================================== */

.btn {
  display: inline-block;
  padding: var(--spacing-sm) var(--spacing-lg);
  font-size: var(--font-size-base);
  font-weight: 600;
  font-family: var(--font-sans);
  text-align: center;
  border-radius: var(--border-radius);
  border: 2px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
}

.btn:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.btn-primary {
  background-color: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
}

.btn-primary:hover {
  background-color: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  color: white;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn-secondary:hover {
  background-color: var(--color-primary);
  color: white;
}

.btn-large {
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: var(--font-size-lg);
  width: 100%;
}

/* ===================================
   Benefits Section
   =================================== */

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-xl);
}

.benefit-card {
  text-align: center;
  padding: var(--spacing-xl);
  background-color: var(--color-bg);
  border-radius: var(--border-radius-lg);
  transition: var(--transition);
}

.benefit-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.benefit-icon {
  color: var(--color-primary);
  margin-bottom: var(--spacing-md);
}

.benefit-card h3 {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-sm);
}

.benefit-card p {
  color: var(--color-text-light);
  margin-bottom: 0;
}

/* ===================================
   Curriculum Section
   =================================== */

.curriculum-modules {
  display: grid;
  gap: var(--spacing-xl);
}

.module-card {
  background-color: var(--color-bg);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
}

.module-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
}

.module-header {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  color: white;
  padding: var(--spacing-lg);
}

.module-number {
  display: inline-block;
  font-size: var(--font-size-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: var(--spacing-xs);
  opacity: 0.9;
}

.module-header h3 {
  color: white;
  margin-bottom: var(--spacing-xs);
  font-size: var(--font-size-2xl);
}

.module-duration {
  font-size: var(--font-size-sm);
  opacity: 0.9;
}

.module-content {
  padding: var(--spacing-lg);
}

.module-content p {
  color: var(--color-text-light);
  margin-bottom: var(--spacing-md);
}

.module-lessons {
  list-style: none;
  display: grid;
  gap: var(--spacing-sm);
}

.module-lessons li {
  padding-left: var(--spacing-md);
  position: relative;
  color: var(--color-text);
}

.module-lessons li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--color-secondary);
  font-weight: 600;
}

/* ===================================
   Audio Player Section
   =================================== */

.audio-player-wrapper {
  max-width: 800px;
  margin: 0 auto;
}

.audio-description {
  background-color: var(--color-bg-alt);
  padding: var(--spacing-lg);
  border-radius: var(--border-radius-lg);
  margin-bottom: var(--spacing-xl);
}

.audio-description p {
  margin-bottom: var(--spacing-md);
  color: var(--color-text-light);
}

.audio-description p:last-child {
  margin-bottom: 0;
}

.audio-tip {
  background-color: var(--color-bg);
  padding: var(--spacing-md);
  border-radius: var(--border-radius);
  border-left: 4px solid var(--color-secondary);
}

.audio-player {
  background-color: var(--color-bg);
  padding: var(--spacing-xl);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
}

.audio-player audio {
  display: none;
}

.audio-controls {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.audio-play-btn {
  flex-shrink: 0;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background-color: var(--color-primary);
  color: white;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.audio-play-btn:hover {
  background-color: var(--color-primary-dark);
  transform: scale(1.05);
}

.audio-play-btn:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
}

.audio-progress {
  flex: 1;
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.audio-time {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  font-variant-numeric: tabular-nums;
  min-width: 40px;
}

.audio-progress-bar {
  flex: 1;
  height: 6px;
  background-color: var(--color-bg-dark);
  border-radius: 3px;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.audio-progress-fill {
  height: 100%;
  background-color: var(--color-primary);
  border-radius: 3px;
  width: 0%;
  transition: width 0.1s linear;
}

/* ===================================
   Reviews Section
   =================================== */

.reviews-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-xl);
}

.review-card {
  background-color: var(--color-bg);
  padding: var(--spacing-xl);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.review-stars {
  display: flex;
  gap: 4px;
  color: var(--color-warning);
}

.review-text {
  flex: 1;
  font-size: var(--font-size-lg);
  line-height: 1.6;
  color: var(--color-text);
  margin-bottom: 0;
}

.review-author {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--color-border);
}

.author-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 600;
  font-size: var(--font-size-lg);
  flex-shrink: 0;
}

.author-name {
  font-weight: 600;
  color: var(--color-text);
}

.author-title {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

/* ===================================
   Pricing Section
   =================================== */

.pricing-card {
  max-width: 500px;
  margin: 0 auto;
  background-color: var(--color-bg);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
  padding: var(--spacing-2xl);
  position: relative;
  border: 2px solid var(--color-primary);
}

.pricing-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--color-secondary);
  color: white;
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--border-radius);
  font-size: var(--font-size-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.pricing-title {
  text-align: center;
  font-size: var(--font-size-2xl);
  margin-bottom: var(--spacing-lg);
}

.pricing-price {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.price-currency {
  font-size: var(--font-size-2xl);
  vertical-align: super;
  color: var(--color-text-light);
}

.price-amount {
  font-size: var(--font-size-5xl);
  font-weight: 700;
  color: var(--color-primary);
  font-family: var(--font-serif);
}

.price-period {
  display: block;
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-top: var(--spacing-xs);
}

.pricing-features {
  list-style: none;
  margin-bottom: var(--spacing-xl);
  display: grid;
  gap: var(--spacing-md);
}

.pricing-features li {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
  color: var(--color-text);
}

.pricing-features svg {
  flex-shrink: 0;
  color: var(--color-secondary);
  margin-top: 2px;
}

.pricing-note {
  text-align: center;
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-top: var(--spacing-md);
  margin-bottom: 0;
}

/* ===================================
   Lead Capture Section
   =================================== */

.lead-capture {
  max-width: 700px;
  margin: 0 auto;
  text-align: center;
  background-color: var(--color-bg-alt);
  padding: var(--spacing-2xl);
  border-radius: var(--border-radius-lg);
}

.lead-title {
  margin-bottom: var(--spacing-sm);
}

.lead-subtitle {
  color: var(--color-text-light);
  margin-bottom: var(--spacing-xl);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr auto;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.form-group {
  position: relative;
}

.form-group input {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: var(--font-size-base);
  font-family: var(--font-sans);
  border: 2px solid var(--color-border);
  border-radius: var(--border-radius);
  transition: var(--transition);
}

.form-group input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(74, 144, 164, 0.1);
}

.form-group input.error {
  border-color: var(--color-error);
}

.form-error {
  position: absolute;
  bottom: -20px;
  left: 0;
  font-size: var(--font-size-xs);
  color: var(--color-error);
  display: none;
}

.form-group input.error + .form-error {
  display: block;
}

.form-privacy {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-bottom: 0;
}

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

/* ===================================
   FAQ Section
   =================================== */

.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: grid;
  gap: var(--spacing-md);
}

.faq-item {
  background-color: var(--color-bg);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-md);
  padding: var(--spacing-lg);
  background-color: transparent;
  border: none;
  font-family: var(--font-sans);
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--color-text);
  text-align: left;
  cursor: pointer;
  transition: var(--transition);
}

.faq-question:hover {
  background-color: var(--color-bg-alt);
}

.faq-question:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: -2px;
}

.faq-icon {
  flex-shrink: 0;
  color: var(--color-primary);
  transition: var(--transition);
}

.faq-question[aria-expanded="true"] .faq-icon {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.faq-answer p {
  padding: 0 var(--spacing-lg) var(--spacing-lg);
  color: var(--color-text-light);
  line-height: 1.6;
  margin-bottom: 0;
}

.faq-item.active .faq-answer {
  max-height: 500px;
}

/* ===================================
   Footer
   =================================== */

.footer {
  background-color: var(--color-text);
  color: var(--color-bg-alt);
  padding: var(--spacing-3xl) 0 var(--spacing-lg);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.footer-logo {
  font-family: var(--font-serif);
  font-size: var(--font-size-2xl);
  color: var(--color-primary-light);
  margin-bottom: var(--spacing-md);
}

.footer-section h4 {
  color: white;
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-md);
}

.footer-section p {
  color: var(--color-bg-dark);
  font-size: var(--font-size-sm);
  line-height: 1.6;
}

.footer-links {
  list-style: none;
  display: grid;
  gap: var(--spacing-sm);
}

.footer-links a {
  color: var(--color-bg-dark);
  font-size: var(--font-size-sm);
  transition: var(--transition);
}

.footer-links a:hover {
  color: white;
  padding-left: var(--spacing-xs);
}

.footer-contact {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  color: var(--color-bg-dark);
  font-size: var(--font-size-sm);
}

.footer-contact svg {
  flex-shrink: 0;
}

.footer-contact a {
  color: var(--color-bg-dark);
}

.footer-contact a:hover {
  color: white;
}

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
  margin-bottom: 0;
}

/* ===================================
   Legal Sections
   =================================== */

.legal-section {
  padding: var(--spacing-3xl) 0;
  background-color: var(--color-bg-alt);
}

.legal-section h2 {
  margin-bottom: var(--spacing-md);
}

.legal-section h3 {
  font-size: var(--font-size-xl);
  margin-top: var(--spacing-xl);
  margin-bottom: var(--spacing-md);
}

.legal-updated {
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
  margin-bottom: var(--spacing-xl);
}

.legal-section ul,
.legal-section ol {
  margin-left: var(--spacing-xl);
  margin-bottom: var(--spacing-md);
}

.legal-section li {
  margin-bottom: var(--spacing-sm);
  color: var(--color-text-light);
}

/* ===================================
   Modal
   =================================== */

.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.6);
  z-index: 2000;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-md);
}

.modal.active {
  display: flex;
}

.modal-content {
  background-color: var(--color-bg);
  padding: var(--spacing-2xl);
  border-radius: var(--border-radius-lg);
  max-width: 500px;
  width: 100%;
  position: relative;
  text-align: center;
  box-shadow: var(--shadow-lg);
  animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
  from {
    opacity: 0;
    transform: translateY(-50px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.modal-close {
  position: absolute;
  top: var(--spacing-md);
  right: var(--spacing-md);
  background: none;
  border: none;
  font-size: var(--font-size-3xl);
  color: var(--color-text-muted);
  cursor: pointer;
  line-height: 1;
  transition: var(--transition);
}

.modal-close:hover {
  color: var(--color-text);
}

.modal-icon {
  color: var(--color-success);
  margin-bottom: var(--spacing-md);
}

.modal-content h3 {
  margin-bottom: var(--spacing-sm);
}

.modal-content p {
  color: var(--color-text-light);
  margin-bottom: 0;
}

/* ===================================
   Responsive Adjustments
   =================================== */

@media (max-width: 968px) {
  :root {
    --spacing-3xl: 4rem;
    --spacing-2xl: 3rem;
  }

  .section {
    padding: var(--spacing-2xl) 0;
  }
}

@media (max-width: 640px) {
  :root {
    --spacing-3xl: 3rem;
    --spacing-2xl: 2rem;
  }

  .hero-cta {
    flex-direction: column;
  }

  .hero-cta .btn {
    width: 100%;
  }

  .benefits-grid,
  .reviews-grid {
    grid-template-columns: 1fr;
  }
}