/* ===================================
   耳つぼ白書 - Main Stylesheet
   Modern & Elegant Design
   =================================== */

/* CSS Variables */
:root {
  /* Colors */
  --color-primary: #E8A598;
  --color-primary-dark: #C46B7A;
  --color-primary-light: #F5D5CF;
  --color-secondary: #D4E9E2;
  --color-accent: #C46B7A;
  --color-text: #2D2D2D;
  --color-text-light: #666666;
  --color-bg: #FAFAFA;
  --color-bg-alt: #F5F5F5;
  --color-white: #FFFFFF;
  --color-dark: #1A1A1A;

  /* Glassmorphism */
  --glass-bg: rgba(255, 255, 255, 0.85);
  --glass-border: rgba(255, 255, 255, 0.3);
  --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);

  /* Typography */
  --font-serif: 'Noto Serif JP', serif;
  --font-sans: 'Noto Sans JP', sans-serif;
  --font-accent: 'Cormorant Garamond', serif;

  /* Spacing */
  --section-padding: 120px;
  --container-width: 1200px;

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;

  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
}

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

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

body {
  font-family: var(--font-sans);
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

button {
  border: none;
  background: none;
  cursor: pointer;
  font-family: inherit;
}

ul {
  list-style: none;
}

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

/* Typography */
.section-title {
  text-align: center;
  margin-bottom: 60px;
}

.section-title-en {
  display: block;
  font-family: var(--font-accent);
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  color: var(--color-primary-dark);
  margin-bottom: 12px;
}

.section-title {
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 500;
  letter-spacing: 0.05em;
}

.highlight {
  color: var(--color-primary-dark);
}

.pc-only {
  display: none;
}

@media (min-width: 768px) {
  .pc-only {
    display: inline;
  }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 16px 32px;
  border-radius: var(--radius-lg);
  font-size: 1rem;
  font-weight: 500;
  transition: var(--transition-base);
  cursor: pointer;
}

.btn svg {
  width: 20px;
  height: 20px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: var(--color-white);
  box-shadow: 0 4px 16px rgba(200, 107, 122, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(200, 107, 122, 0.4);
}

.btn-secondary {
  background: var(--color-white);
  color: var(--color-primary-dark);
  border: 2px solid var(--color-primary);
}

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

.btn-ghost {
  background: transparent;
  color: var(--color-white);
  border: 2px solid rgba(255, 255, 255, 0.5);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--color-white);
}

.btn-outline {
  background: transparent;
  color: var(--color-white);
  border: 2px solid var(--color-white);
}

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

.btn-large {
  padding: 20px 40px;
  font-size: 1.125rem;
}

/* Animations */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

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

.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }

/* ===================================
   Header
   =================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--glass-border);
  transition: var(--transition-base);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 16px 24px;
}

.logo {
  display: flex;
  flex-direction: column;
}

.logo-main {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: 0.1em;
}

.logo-sub {
  font-family: var(--font-accent);
  font-size: 0.625rem;
  letter-spacing: 0.15em;
  color: var(--color-text-light);
}

.nav {
  display: none;
}

@media (min-width: 1024px) {
  .nav {
    display: block;
  }
}

.nav-list {
  display: flex;
  gap: 32px;
}

.nav-list a {
  font-size: 0.875rem;
  font-weight: 500;
  position: relative;
}

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

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

.header-cta {
  display: none;
  padding: 10px 24px;
  background: var(--color-primary);
  color: var(--color-white);
  border-radius: var(--radius-lg);
  font-size: 0.875rem;
  font-weight: 500;
}

@media (min-width: 1024px) {
  .header-cta {
    display: block;
  }
}

.header-cta:hover {
  background: var(--color-primary-dark);
}

.menu-toggle {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 8px;
}

@media (min-width: 1024px) {
  .menu-toggle {
    display: none;
  }
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  transition: var(--transition-base);
}

.menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(6px, 6px);
}

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

.menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(6px, -6px);
}

/* Mobile Navigation */
.mobile-nav {
  position: fixed;
  top: 70px;
  left: 0;
  right: 0;
  background: var(--color-white);
  padding: 24px;
  transform: translateY(-100%);
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-base);
  z-index: 999;
  box-shadow: var(--glass-shadow);
}

.mobile-nav.active {
  transform: translateY(0);
  opacity: 1;
  visibility: visible;
}

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

.mobile-nav-list a {
  display: block;
  padding: 12px 0;
  font-size: 1rem;
  border-bottom: 1px solid var(--color-bg-alt);
}

/* ===================================
   Hero Section
   =================================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #fdf6f4 0%, #f5e6e0 50%, #e8d5cf 100%);
}

.hero-gradient {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 30% 20%, rgba(232, 165, 152, 0.3) 0%, transparent 50%),
    radial-gradient(ellipse at 70% 80%, rgba(212, 233, 226, 0.4) 0%, transparent 50%);
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 120px 24px 80px;
}

.hero-glass {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  padding: 60px 40px;
  max-width: 700px;
  margin: 0 auto;
  box-shadow: var(--glass-shadow);
}

@media (min-width: 768px) {
  .hero-glass {
    padding: 80px 60px;
  }
}

.hero-subtitle {
  font-family: var(--font-accent);
  font-size: 0.875rem;
  letter-spacing: 0.2em;
  color: var(--color-primary-dark);
  margin-bottom: 24px;
}

.hero-title {
  font-family: var(--font-serif);
  font-size: 2.5rem;
  font-weight: 500;
  line-height: 1.4;
  margin-bottom: 24px;
  letter-spacing: 0.05em;
}

@media (min-width: 768px) {
  .hero-title {
    font-size: 3.5rem;
  }
}

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

.hero-description {
  font-size: 1rem;
  color: var(--color-text-light);
  margin-bottom: 40px;
  line-height: 2;
}

.hero-buttons {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

@media (min-width: 480px) {
  .hero-buttons {
    flex-direction: row;
    justify-content: center;
  }
}

.hero-buttons .btn-ghost {
  color: var(--color-text);
  border-color: var(--color-text-light);
}

.hero-buttons .btn-ghost:hover {
  background: var(--color-text);
  color: var(--color-white);
}

.scroll-indicator {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--color-text-light);
  font-family: var(--font-accent);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
}

.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--color-primary), transparent);
  animation: scrollBounce 2s infinite;
}

@keyframes scrollBounce {
  0%, 100% { transform: scaleY(1); opacity: 1; }
  50% { transform: scaleY(0.5); opacity: 0.5; }
}

/* ===================================
   Problems Section (Bento Grid)
   =================================== */
.problems {
  padding: var(--section-padding) 0;
  background: var(--color-white);
}

.bento-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

@media (min-width: 768px) {
  .bento-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
  }
}

.bento-item {
  background: linear-gradient(135deg, var(--color-bg), var(--color-white));
  border-radius: var(--radius-md);
  padding: 24px;
  transition: var(--transition-base);
  border: 1px solid rgba(0, 0, 0, 0.05);
}

@media (min-width: 768px) {
  .bento-item {
    padding: 32px;
  }
}

.bento-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.1);
}

.bento-item-1 { grid-column: span 1; }
.bento-item-2 { grid-column: span 1; }
.bento-item-3 { grid-column: span 2; }

@media (min-width: 768px) {
  .bento-item-3 { grid-column: span 1; }
  .bento-item-4 { grid-column: span 2; }
  .bento-item-5 { grid-column: span 1; }
}

.bento-icon {
  width: 48px;
  height: 48px;
  background: var(--color-primary-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}

.bento-icon svg {
  width: 24px;
  height: 24px;
  stroke: var(--color-primary-dark);
}

.bento-item h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 8px;
  line-height: 1.5;
}

@media (min-width: 768px) {
  .bento-item h3 {
    font-size: 1.125rem;
  }
}

.bento-item p {
  font-size: 0.875rem;
  color: var(--color-text-light);
}

.problems-solution {
  text-align: center;
  margin-top: 60px;
}

.solution-arrow {
  width: 48px;
  height: 48px;
  margin: 0 auto 16px;
  animation: bounce 2s infinite;
}

.solution-arrow svg {
  width: 100%;
  height: 100%;
  stroke: var(--color-primary);
}

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

.solution-text {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 500;
}

@media (min-width: 768px) {
  .solution-text {
    font-size: 1.75rem;
  }
}

/* ===================================
   About Section
   =================================== */
.about {
  padding: var(--section-padding) 0;
  background: linear-gradient(180deg, var(--color-bg) 0%, var(--color-white) 100%);
}

.about-content {
  display: grid;
  gap: 60px;
  margin-bottom: 80px;
}

@media (min-width: 768px) {
  .about-content {
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
  }
}

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

.ear-image {
  position: relative;
  max-width: 300px;
  margin: 0 auto 32px;
}

.ear-svg {
  width: 100%;
  height: auto;
}

.ear-outline, .ear-inner {
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.point {
  fill: var(--color-primary-dark);
  cursor: pointer;
  transition: var(--transition-base);
}

.point:hover {
  r: 12;
  fill: var(--color-accent);
}

.ear-legend {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  max-width: 300px;
  margin: 0 auto;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
}

.legend-dot {
  width: 12px;
  height: 12px;
  background: var(--color-primary-dark);
  border-radius: 50%;
}

.legend-name {
  font-weight: 600;
}

.legend-desc {
  color: var(--color-text-light);
  font-size: 0.75rem;
}

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

@media (min-width: 768px) {
  .about-text {
    text-align: left;
  }
}

.about-lead {
  font-size: 1.125rem;
  line-height: 2;
  margin-bottom: 40px;
}

.about-lead strong {
  color: var(--color-primary-dark);
}

.about-mechanism {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

@media (min-width: 768px) {
  .about-mechanism {
    flex-direction: row;
    align-items: flex-start;
  }
}

.mechanism-step {
  flex: 1;
  text-align: center;
}

@media (min-width: 768px) {
  .mechanism-step {
    text-align: left;
  }
}

.mechanism-num {
  font-family: var(--font-accent);
  font-size: 2rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.mechanism-content h4 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.mechanism-content p {
  font-size: 0.875rem;
  color: var(--color-text-light);
}

.mechanism-arrow {
  display: none;
}

@media (min-width: 768px) {
  .mechanism-arrow {
    display: flex;
    align-items: center;
    padding-top: 24px;
  }

  .mechanism-arrow svg {
    width: 24px;
    height: 24px;
    stroke: var(--color-primary-light);
  }
}

.features {
  display: grid;
  gap: 24px;
}

@media (min-width: 768px) {
  .features {
    grid-template-columns: repeat(3, 1fr);
  }
}

.feature-card {
  background: var(--color-white);
  border-radius: var(--radius-md);
  padding: 40px 32px;
  text-align: center;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
  transition: var(--transition-base);
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

.feature-icon {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-secondary));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
}

.feature-icon svg {
  width: 32px;
  height: 32px;
  stroke: var(--color-primary-dark);
}

.feature-card h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 12px;
}

.feature-card p {
  font-size: 0.875rem;
  color: var(--color-text-light);
  line-height: 1.8;
}

/* ===================================
   Results Section
   =================================== */
.results {
  padding: var(--section-padding) 0;
  background: var(--color-white);
}

.results-slider {
  margin-bottom: 60px;
}

.slider-container {
  overflow: hidden;
  margin: 0 -24px;
  padding: 0 24px;
}

.slider-track {
  display: flex;
  gap: 24px;
  transition: transform 0.5s ease;
}

.result-card {
  flex: 0 0 100%;
  background: var(--color-bg);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

@media (min-width: 768px) {
  .result-card {
    flex: 0 0 calc(50% - 12px);
  }
}

@media (min-width: 1024px) {
  .result-card {
    flex: 0 0 calc(33.333% - 16px);
  }
}

.result-images {
  display: flex;
}

.result-before, .result-after {
  flex: 1;
  position: relative;
}

.result-label {
  position: absolute;
  top: 12px;
  left: 12px;
  background: var(--color-dark);
  color: var(--color-white);
  padding: 4px 12px;
  font-size: 0.625rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  border-radius: var(--radius-sm);
}

.result-after .result-label {
  background: var(--color-primary-dark);
}

.result-placeholder {
  height: 200px;
  background: linear-gradient(135deg, var(--color-bg-alt), var(--color-primary-light));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.875rem;
  color: var(--color-text-light);
}

.result-info {
  padding: 24px;
}

.result-achievement {
  margin-bottom: 12px;
}

.result-number {
  font-family: var(--font-accent);
  font-size: 3rem;
  font-weight: 600;
  color: var(--color-primary-dark);
}

.result-unit {
  font-size: 1.5rem;
  color: var(--color-primary-dark);
}

.result-profile {
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 12px;
}

.result-comment {
  font-size: 0.875rem;
  color: var(--color-text-light);
  line-height: 1.8;
}

.slider-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  margin-top: 32px;
}

.slider-btn {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-white);
  border: 1px solid var(--color-bg-alt);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-base);
}

.slider-btn:hover {
  background: var(--color-primary-light);
  border-color: var(--color-primary);
}

.slider-btn svg {
  width: 24px;
  height: 24px;
  stroke: var(--color-text);
}

.slider-dots {
  display: flex;
  gap: 8px;
}

.slider-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-bg-alt);
  transition: var(--transition-base);
}

.slider-dot.active {
  background: var(--color-primary);
  width: 24px;
  border-radius: 4px;
}

.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 800px;
  margin: 0 auto;
}

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

.stat-number {
  font-family: var(--font-accent);
  font-size: 2.5rem;
  font-weight: 600;
  color: var(--color-primary-dark);
}

@media (min-width: 768px) {
  .stat-number {
    font-size: 3.5rem;
  }
}

.stat-suffix {
  font-family: var(--font-accent);
  font-size: 1.25rem;
  color: var(--color-primary-dark);
}

.stat-label {
  display: block;
  font-size: 0.875rem;
  color: var(--color-text-light);
  margin-top: 8px;
}

.results-note {
  text-align: center;
  font-size: 0.75rem;
  color: var(--color-text-light);
  margin-top: 32px;
}

/* ===================================
   Flow Section
   =================================== */
.flow {
  padding: var(--section-padding) 0;
  background: linear-gradient(180deg, var(--color-bg) 0%, var(--color-white) 100%);
}

.flow-timeline {
  max-width: 800px;
  margin: 0 auto;
  position: relative;
}

.flow-timeline::before {
  content: '';
  position: absolute;
  left: 20px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--color-primary), var(--color-secondary));
}

@media (min-width: 768px) {
  .flow-timeline::before {
    left: 50%;
    transform: translateX(-50%);
  }
}

.flow-step {
  display: flex;
  gap: 24px;
  margin-bottom: 40px;
  position: relative;
}

@media (min-width: 768px) {
  .flow-step {
    gap: 40px;
  }

  .flow-step:nth-child(even) {
    flex-direction: row-reverse;
  }

  .flow-step:nth-child(even) .flow-content {
    text-align: right;
  }
}

.flow-number {
  width: 40px;
  height: 40px;
  background: var(--color-primary);
  color: var(--color-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-accent);
  font-size: 0.875rem;
  font-weight: 600;
  flex-shrink: 0;
  position: relative;
  z-index: 1;
}

@media (min-width: 768px) {
  .flow-number {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
  }

  .flow-step:nth-child(odd) .flow-content {
    margin-right: calc(50% + 40px);
  }

  .flow-step:nth-child(even) .flow-content {
    margin-left: calc(50% + 40px);
  }
}

.flow-content {
  flex: 1;
}

.flow-content h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.flow-content p {
  font-size: 0.875rem;
  color: var(--color-text-light);
}

/* ===================================
   Salon Section
   =================================== */
.salon {
  padding: var(--section-padding) 0;
  background: var(--color-white);
}

.salon-map {
  display: grid;
  gap: 40px;
  margin-bottom: 40px;
}

@media (min-width: 768px) {
  .salon-map {
    grid-template-columns: 200px 1fr;
    gap: 60px;
  }
}

.map-regions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

@media (min-width: 768px) {
  .map-regions {
    flex-direction: column;
  }
}

.region-btn {
  padding: 12px 20px;
  background: var(--color-bg);
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 500;
  transition: var(--transition-base);
  flex: 1;
  min-width: calc(50% - 6px);
}

@media (min-width: 768px) {
  .region-btn {
    min-width: auto;
    flex: none;
    text-align: left;
  }
}

.region-btn:hover, .region-btn.active {
  background: var(--color-primary);
  color: var(--color-white);
}

.map-visual {
  display: flex;
  align-items: center;
  justify-content: center;
}

.japan-map {
  width: 100%;
  max-width: 400px;
  height: auto;
}

.map-region {
  fill: var(--color-bg-alt);
  stroke: var(--color-white);
  stroke-width: 2;
  cursor: pointer;
  transition: var(--transition-base);
}

.map-region:hover, .map-region.active {
  fill: var(--color-primary);
}

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

/* ===================================
   Partner Banner (AI Body Compass)
   =================================== */
.partner-banner {
  padding: 60px 0;
  background: linear-gradient(135deg, var(--color-bg), var(--color-secondary));
}

.banner-link {
  display: block;
}

.banner-content {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
  text-align: center;
  transition: var(--transition-base);
}

@media (min-width: 768px) {
  .banner-content {
    flex-direction: row;
    text-align: left;
    padding: 40px 48px;
  }
}

.banner-link:hover .banner-content {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.1);
}

.banner-icon {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.banner-icon svg {
  width: 32px;
  height: 32px;
  stroke: var(--color-white);
}

.banner-text {
  flex: 1;
}

.banner-subtitle {
  font-size: 0.75rem;
  color: var(--color-text-light);
  margin-bottom: 4px;
}

.banner-title {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--color-primary-dark);
}

.banner-description {
  font-size: 0.875rem;
  color: var(--color-text-light);
}

.banner-arrow {
  width: 40px;
  height: 40px;
  background: var(--color-primary-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-base);
}

.banner-link:hover .banner-arrow {
  background: var(--color-primary);
}

.banner-arrow svg {
  width: 20px;
  height: 20px;
  stroke: var(--color-primary-dark);
  transition: var(--transition-base);
}

.banner-link:hover .banner-arrow svg {
  stroke: var(--color-white);
  transform: translateX(4px);
}

/* ===================================
   Instructor Section
   =================================== */
.instructor {
  padding: var(--section-padding) 0;
  background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-secondary) 100%);
}

.instructor-content {
  display: grid;
  gap: 40px;
  align-items: center;
}

@media (min-width: 768px) {
  .instructor-content {
    grid-template-columns: 1fr 1fr;
    gap: 60px;
  }
}

.instructor-title {
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 500;
  margin-bottom: 32px;
  line-height: 1.5;
}

@media (min-width: 768px) {
  .instructor-title {
    font-size: 2.5rem;
  }
}

.instructor-points {
  margin-bottom: 40px;
}

.instructor-points li {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  font-size: 1rem;
  font-weight: 500;
}

.instructor-points svg {
  width: 24px;
  height: 24px;
  stroke: var(--color-primary-dark);
  flex-shrink: 0;
}

.instructor-image {
  order: -1;
}

@media (min-width: 768px) {
  .instructor-image {
    order: 1;
  }
}

.instructor-placeholder {
  aspect-ratio: 4/3;
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.875rem;
  color: var(--color-text-light);
}

/* ===================================
   FAQ Section
   =================================== */
.faq {
  padding: var(--section-padding) 0;
  background: var(--color-white);
}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--color-bg-alt);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 0;
  font-size: 1rem;
  font-weight: 500;
  text-align: left;
  transition: var(--transition-base);
}

.faq-question:hover {
  color: var(--color-primary-dark);
}

.faq-question svg {
  width: 24px;
  height: 24px;
  stroke: var(--color-text-light);
  transition: var(--transition-base);
  flex-shrink: 0;
}

.faq-item.active .faq-question svg {
  transform: rotate(180deg);
}

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

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

.faq-answer p {
  padding-bottom: 24px;
  font-size: 0.875rem;
  color: var(--color-text-light);
  line-height: 2;
}

/* ===================================
   CTA Section
   =================================== */
.cta-section {
  padding: var(--section-padding) 0;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: var(--color-white);
}

.cta-content {
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
}

.cta-title {
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 500;
  margin-bottom: 16px;
}

@media (min-width: 768px) {
  .cta-title {
    font-size: 2.5rem;
  }
}

.cta-description {
  font-size: 1rem;
  opacity: 0.9;
  margin-bottom: 40px;
}

.cta-buttons {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 24px;
}

@media (min-width: 480px) {
  .cta-buttons {
    flex-direction: row;
    justify-content: center;
  }
}

.cta-section .btn-primary {
  background: var(--color-white);
  color: var(--color-primary-dark);
}

.cta-section .btn-primary:hover {
  background: var(--color-bg);
}

.cta-note {
  font-size: 0.875rem;
  opacity: 0.8;
}

/* ===================================
   Footer
   =================================== */
.footer {
  background: var(--color-dark);
  color: var(--color-white);
  padding: 80px 0 40px;
}

.footer-content {
  display: grid;
  gap: 48px;
  margin-bottom: 48px;
}

@media (min-width: 768px) {
  .footer-content {
    grid-template-columns: 1fr 2fr;
    gap: 60px;
  }
}

.footer-logo {
  display: flex;
  flex-direction: column;
  margin-bottom: 16px;
}

.footer-logo .logo-main {
  color: var(--color-white);
}

.footer-logo .logo-sub {
  color: rgba(255, 255, 255, 0.6);
}

.footer-description {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 24px;
}

.footer-social {
  display: flex;
  gap: 16px;
}

.footer-social a {
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-base);
}

.footer-social a:hover {
  background: var(--color-primary);
}

.footer-social svg {
  width: 20px;
  height: 20px;
}

.footer-nav {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.footer-nav h4 {
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 16px;
}

.footer-nav ul {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-nav a {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.6);
  transition: var(--transition-base);
}

.footer-nav a:hover {
  color: var(--color-white);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.4);
}

@media (min-width: 768px) {
  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}

.footer-links {
  display: flex;
  gap: 24px;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.4);
}

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

/* ===================================
   Mobile CTA Bar
   =================================== */
.mobile-cta-bar {
  display: flex;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--color-white);
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.1);
  z-index: 999;
}

@media (min-width: 768px) {
  .mobile-cta-bar {
    display: none;
  }
}

.mobile-cta-btn {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 12px;
  font-size: 0.75rem;
  font-weight: 500;
}

.mobile-cta-btn svg {
  width: 24px;
  height: 24px;
}

.mobile-cta-phone {
  background: var(--color-primary);
  color: var(--color-white);
}

.mobile-cta-search {
  background: var(--color-white);
  color: var(--color-primary-dark);
}

/* Add padding to body for mobile CTA bar */
@media (max-width: 767px) {
  body {
    padding-bottom: 70px;
  }
}