/* ========================================
   CSS Variables & Color Palette
   ======================================== */
:root {
  --primary-teal: #2D6A6A;
  --primary-teal-light: #3D7A7A;
  --accent-gold: #D4A574;
  --accent-gold-hover: #C49564;
  --background-cream: #FAF8F5;
  --background-white: #FFFFFF;
  --text-dark: #2D3748;
  --text-light: #FFFFFF;
  --text-muted: #6B7280;
  --icon-bg: #E8F4F4;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.12);
  --transition: all 0.2s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-dark);
  background-color: var(--background-cream);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  transition: var(--transition);
}

ul {
  list-style: none;
}

/* ========================================
   Container
   ======================================== */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ========================================
   Header & Navigation
   ======================================== */
.site-header {
  background-color: var(--background-white);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 1000;
  transition: var(--transition);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
  gap: 32px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  font-size: 1.25rem;
  color: var(--text-dark);
  transition: var(--transition);
}

.logo:hover {
  opacity: 0.8;
}

.logo-image {
  height: 40px;
  width: auto;
  display: block;
}

.logo-icon {
  width: 24px;
  height: 24px;
  color: var(--primary-teal);
}

.main-nav {
  flex: 1;
  display: flex;
  justify-content: center;
}

.nav-links {
  display: flex;
  gap: 32px;
  align-items: center;
}

.nav-links .mobile-only {
  display: none;
}

.nav-links a {
  color: var(--text-dark);
  font-weight: 500;
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--primary-teal);
  transition: width 0.3s ease;
}

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

.nav-links a:hover {
  color: var(--primary-teal);
}

.btn-signup {
  background-color: var(--accent-gold);
  color: var(--text-dark);
  padding: 10px 24px;
  border-radius: 25px;
  font-weight: 600;
  font-size: 0.95rem;
}

.btn-signup:hover {
  background-color: var(--accent-gold-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.mobile-toggle {
  display: none;
  background: transparent;
  color: var(--text-dark);
  padding: 8px;
}

.mobile-toggle i {
  width: 24px;
  height: 24px;
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
  background: linear-gradient(135deg, #1D4A4A 0%, #3D7A7A 50%, #4A8A8A 100%);
  min-height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 100px 24px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image:
    radial-gradient(circle at 20% 30%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 70%, rgba(255, 255, 255, 0.08) 0%, transparent 50%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
  margin: 0 auto;
  animation: fadeInUp 0.8s ease;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 700;
  color: var(--text-light);
  margin-bottom: 24px;
  line-height: 1.2;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 32px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.btn-cta {
  background-color: var(--background-white);
  color: var(--primary-teal);
  padding: 16px 40px;
  border-radius: 30px;
  font-size: 1.1rem;
  font-weight: 600;
  box-shadow: var(--shadow-lg);
}

.btn-cta:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.2);
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ========================================
   Section Styles
   ======================================== */
.section-title {
  font-size: 2.5rem;
  font-weight: 600;
  text-align: center;
  color: var(--text-dark);
  margin-bottom: 60px;
}

/* ========================================
   How It Works Section
   ======================================== */
.how-it-works {
  padding: 100px 24px;
  background-color: var(--background-cream);
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 60px;
  max-width: 1000px;
  margin: 0 auto;
}

.step {
  text-align: center;
}

.step-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 24px;
  background-color: var(--primary-teal);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.step-icon i {
  width: 36px;
  height: 36px;
  color: var(--text-light);
}

.step-icon svg {
  stroke: var(--text-light);
  color: var(--text-light);
}

.step:hover .step-icon {
  transform: scale(1.1);
  box-shadow: var(--shadow-md);
}

.step-title {
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 12px;
  min-height: 3.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.step-description {
  color: var(--text-muted);
  max-width: 280px;
  margin: 0 auto;
  line-height: 1.6;
}

/* ========================================
   Key Areas Section
   ======================================== */
.key-areas {
  padding: 100px 24px;
  background-color: var(--background-white);
}

.areas-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  max-width: 1100px;
  margin: 0 auto;
}

.area-card {
  background-color: var(--background-white);
  border-radius: 20px;
  padding: 40px 32px;
  text-align: center;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.area-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.area-icon {
  width: 70px;
  height: 70px;
  margin: 0 auto 24px;
  background-color: var(--icon-bg);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.area-icon i {
  width: 32px;
  height: 32px;
  color: var(--primary-teal);
}

.area-title {
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 16px;
}

.area-description {
  color: var(--text-muted);
  line-height: 1.7;
  font-size: 0.95rem;
  margin-bottom: 24px;
}

.btn-sample {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  background-color: var(--primary-teal);
  color: white;
  border: none;
  border-radius: 10px;
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.3s ease;
  font-family: 'Inter', sans-serif;
  margin-top: auto;
}

.btn-sample:hover {
  background-color: var(--primary-teal-light);
  transform: scale(1.05);
  box-shadow: 0 4px 12px rgba(45, 106, 106, 0.3);
}

.btn-sample.active {
  background-color: var(--accent-gold);
}

.btn-sample.active:hover {
  background-color: var(--accent-gold-hover);
}

.btn-sample i {
  width: 18px;
  height: 18px;
}

/* Sample Player Section */
.sample-player-section {
  margin-top: 60px;
  text-align: center;
}

.sample-title {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--primary-teal);
  margin-bottom: 12px;
}

.sample-subtitle {
  font-size: 1rem;
  color: var(--text-muted);
  margin-bottom: 32px;
}

/* ========================================
   Testimonial Section
   ======================================== */
.testimonial {
  padding: 100px 24px;
  background-color: var(--background-cream);
  position: relative;
}

.testimonial-content {
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
  position: relative;
}

.quote-icon {
  width: 50px;
  height: 50px;
  margin: 0 auto 24px;
  color: var(--primary-teal);
  opacity: 0.3;
}

.quote-icon i {
  width: 50px;
  height: 50px;
}

.testimonial-quote {
  font-size: 1.3rem;
  font-style: italic;
  color: var(--text-dark);
  line-height: 1.8;
  margin-bottom: 32px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.testimonial-author {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-bottom: 24px;
}

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

.author-name {
  font-weight: 600;
  font-size: 1.1rem;
  color: var(--text-dark);
  margin-bottom: 8px;
}

.stars {
  display: flex;
  gap: 4px;
  justify-content: center;
}

.star-filled {
  width: 18px;
  height: 18px;
  color: var(--accent-gold);
  fill: var(--accent-gold);
}

.trust-badge {
  margin-top: 40px;
  display: flex;
  justify-content: center;
}

.badge-circle {
  width: 140px;
  height: 140px;
  border-radius: 50%;
  background-color: var(--primary-teal);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--text-light);
  box-shadow: var(--shadow-md);
}

.badge-circle i {
  width: 32px;
  height: 32px;
  margin-bottom: 8px;
}

.badge-title {
  font-size: 0.95rem;
  font-weight: 600;
}

.badge-subtitle {
  font-size: 0.95rem;
  font-weight: 600;
}

/* ========================================
   Footer
   ======================================== */
.site-footer {
  background-color: var(--background-white);
  border-top: 1px solid #E5E7EB;
  padding: 24px;
}

.footer-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  max-width: 800px;
  margin: 0 auto;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px 24px;
}

.footer-links a {
  color: var(--text-muted);
  font-size: 0.9rem;
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--primary-teal);
}

.footer-copyright {
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* ========================================
   Pricing Section
   ======================================== */
.pricing {
  padding: 100px 24px;
  background-color: var(--background-white);
}

.pricing-subtitle {
  text-align: center;
  font-size: 1.2rem;
  color: var(--text-muted);
  margin-bottom: 50px;
  font-weight: 500;
}

.pricing-card {
  max-width: 700px;
  margin: 0 auto;
  background-color: var(--background-white);
  border: 2px solid var(--primary-teal);
  border-radius: 20px;
  padding: 50px 40px;
  box-shadow: var(--shadow-lg);
}

.pricing-header {
  text-align: center;
  margin-bottom: 40px;
}

.pricing-title {
  font-size: 1.75rem;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 20px;
}

.pricing-price {
  margin: 20px 0;
}

.price-amount {
  font-size: 3.5rem;
  font-weight: 700;
  color: var(--primary-teal);
}

.pricing-features {
  margin-bottom: 35px;
}

.features-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.features-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 1.05rem;
  color: var(--text-dark);
  line-height: 1.6;
}

.features-list li i {
  width: 24px;
  height: 24px;
  color: var(--primary-teal);
  flex-shrink: 0;
  margin-top: 2px;
}

.btn-pricing {
  width: 100%;
  background-color: var(--accent-gold);
  color: var(--text-dark);
  padding: 18px 40px;
  border-radius: 12px;
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 35px;
}

.btn-pricing:hover {
  background-color: var(--accent-gold-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.pricing-addons {
  border-top: 1px solid #E5E7EB;
  padding-top: 30px;
}

.addons-title {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 16px;
  text-align: center;
}

.addons-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.addons-list li {
  color: var(--text-muted);
  font-size: 1rem;
  text-align: center;
}

.addons-list strong {
  color: var(--primary-teal);
  font-weight: 600;
}

.trust-badges {
  display: flex;
  justify-content: center;
  gap: 40px;
  margin-top: 60px;
  flex-wrap: wrap;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-dark);
  font-size: 0.95rem;
}

.trust-item i {
  width: 24px;
  height: 24px;
  color: var(--primary-teal);
  flex-shrink: 0;
}

/* ========================================
   FAQ Section
   ======================================== */
.faq {
  padding: 100px 24px;
  background-color: var(--background-cream);
}

.faq-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 40px;
  max-width: 1000px;
  margin: 0 auto;
}

.faq-item {
  background-color: var(--background-white);
  padding: 30px;
  border-radius: 16px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.faq-item:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.faq-question {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--primary-teal);
  margin-bottom: 12px;
  line-height: 1.4;
}

.faq-answer {
  color: var(--text-dark);
  line-height: 1.7;
  font-size: 0.95rem;
}

/* ========================================
   Responsive Design
   ======================================== */

/* Tablet (768px - 1023px) */
@media (max-width: 1023px) {
  .hero-title {
    font-size: 2.5rem;
  }

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

  .steps-grid,
  .areas-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
  }

  .area-card {
    padding: 32px 24px;
  }
}

/* Mobile (< 768px) */
@media (max-width: 767px) {
  /* Header Mobile */
  .nav-container {
    padding: 12px 0;
  }

  .logo-image {
    height: 32px;
  }

  .main-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--background-white);
    box-shadow: var(--shadow-md);
    padding: 24px;
  }

  .main-nav.active {
    display: block;
  }

  .nav-links {
    flex-direction: column;
    gap: 16px;
    align-items: flex-start;
  }

  .nav-links .mobile-only {
    display: block;
  }

  .btn-signup {
    display: none;
  }

  .mobile-toggle {
    display: block;
  }

  /* Hero Mobile */
  .hero {
    min-height: 500px;
    padding: 60px 24px;
  }

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

  .hero-subtitle {
    font-size: 1rem;
  }

  .btn-cta {
    padding: 14px 32px;
    font-size: 1rem;
  }

  /* Sections Mobile */
  .how-it-works,
  .key-areas,
  .testimonial,
  .pricing,
  .faq {
    padding: 60px 24px;
  }

  .section-title {
    font-size: 1.75rem;
    margin-bottom: 40px;
  }

  .steps-grid,
  .areas-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .area-card {
    padding: 32px 24px;
  }

  /* Testimonial Mobile */
  .testimonial-quote {
    font-size: 1.1rem;
  }

  .badge-circle {
    width: 120px;
    height: 120px;
  }

  /* Pricing Mobile */
  .pricing-card {
    padding: 40px 24px;
  }

  .price-amount {
    font-size: 2.5rem;
  }

  .trust-badges {
    flex-direction: column;
    gap: 20px;
    align-items: center;
  }

  /* FAQ Mobile */
  .faq-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .faq-item {
    padding: 24px;
  }

  /* Footer Mobile */
  .footer-links {
    gap: 6px 16px;
  }

  .newsletter-input,
  .newsletter-button {
    width: 100%;
  }
}

/* Extra Small Mobile (< 480px) */
@media (max-width: 479px) {
  .container {
    padding: 0 16px;
  }

  .hero-title {
    font-size: 1.75rem;
  }

  .section-title {
    font-size: 1.5rem;
  }

  .step-title,
  .area-title {
    font-size: 1.2rem;
  }
}

/* ========================================
   Audio Player
   ======================================== */
.audio-player {
  background: var(--background-white);
  border-radius: 20px;
  padding: 32px 40px;
  box-shadow: var(--shadow-md);
  border: 2px solid rgba(45, 106, 106, 0.1);
  transition: var(--transition);
  animation: fadeInPlayer 0.5s ease;
}

@keyframes fadeInPlayer {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.audio-player:hover {
  box-shadow: var(--shadow-lg);
  border-color: rgba(45, 106, 106, 0.2);
}

.player-controls {
  display: flex;
  align-items: center;
  gap: 24px;
}

/* Play/Pause Button */
.play-pause-btn {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary-teal) 0%, var(--primary-teal-light) 100%);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all 0.3s ease;
  box-shadow: 0 4px 12px rgba(45, 106, 106, 0.25);
}

.play-pause-btn:hover {
  transform: scale(1.05);
  box-shadow: 0 6px 20px rgba(45, 106, 106, 0.35);
}

.play-pause-btn:active {
  transform: scale(0.98);
}

.play-pause-btn i {
  width: 28px;
  height: 28px;
}

.play-pause-btn .pause-icon {
  display: none;
}

.play-pause-btn.playing .play-icon {
  display: none;
}

.play-pause-btn.playing .pause-icon {
  display: block;
}

/* Player Info */
.player-info {
  flex: 1;
  min-width: 0;
}

.track-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--primary-teal);
  margin-bottom: 12px;
  text-align: left;
}

.progress-container {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.progress-bar-audio {
  width: 100%;
  height: 8px;
  background-color: var(--icon-bg);
  border-radius: 10px;
  overflow: hidden;
  cursor: pointer;
  position: relative;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary-teal) 0%, var(--accent-gold) 100%);
  border-radius: 10px;
  width: 0%;
  transition: width 0.1s linear;
  position: relative;
}

.progress-fill::after {
  content: '';
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 14px;
  height: 14px;
  background-color: white;
  border-radius: 50%;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
  opacity: 0;
  transition: opacity 0.2s ease;
}

.progress-bar-audio:hover .progress-fill::after {
  opacity: 1;
}

.time-display {
  display: flex;
  justify-content: space-between;
  font-size: 0.875rem;
  color: var(--text-muted);
  font-variant-numeric: tabular-nums;
}

/* Volume Control */
.volume-control {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.volume-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: var(--icon-bg);
  color: var(--primary-teal);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.volume-btn:hover {
  background-color: rgba(45, 106, 106, 0.15);
}

.volume-btn i {
  width: 20px;
  height: 20px;
}

.volume-slider {
  width: 100px;
  height: 6px;
  border-radius: 10px;
  background: var(--icon-bg);
  outline: none;
  -webkit-appearance: none;
  appearance: none;
  cursor: pointer;
}

.volume-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--primary-teal);
  cursor: pointer;
  transition: var(--transition);
}

.volume-slider::-webkit-slider-thumb:hover {
  background: var(--primary-teal-light);
  transform: scale(1.2);
}

.volume-slider::-moz-range-thumb {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--primary-teal);
  cursor: pointer;
  border: none;
  transition: var(--transition);
}

.volume-slider::-moz-range-thumb:hover {
  background: var(--primary-teal-light);
  transform: scale(1.2);
}

/* Responsive Audio Player */
@media (max-width: 768px) {
  .sample-session {
    padding: 60px 0;
  }

  .audio-player {
    padding: 24px 20px;
  }

  .player-controls {
    gap: 16px;
  }

  .play-pause-btn {
    width: 56px;
    height: 56px;
  }

  .play-pause-btn i {
    width: 24px;
    height: 24px;
  }

  .volume-control {
    flex-direction: column;
    gap: 8px;
  }

  .volume-slider {
    width: 80px;
  }

  .track-title {
    font-size: 0.9rem;
  }

  .time-display {
    font-size: 0.8rem;
  }
}

@media (max-width: 480px) {
  .audio-player {
    padding: 20px 16px;
  }

  .player-controls {
    flex-direction: column;
    gap: 20px;
  }

  .player-info {
    width: 100%;
  }

  .volume-control {
    flex-direction: row;
    width: 100%;
    justify-content: center;
  }

  .volume-slider {
    flex: 1;
    max-width: 150px;
  }
}