/* ============================================
   INDEX PAGE — Page-Specific Styles
   애플어학원 메인 홈페이지
   ============================================ */

/* ===== SECTION LABELS & TITLES ===== */
.section-label {
  display: inline-block;
  font-family: var(--font-accent);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent-red);
  margin-bottom: var(--space-sm);
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  color: var(--color-primary);
  line-height: 1.3;
  margin-bottom: var(--space-md);
}

.section-header {
  margin-bottom: var(--space-2xl);
}

/* ===== HERO SECTION ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-top: 80px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--color-primary) 0%, #3d3870 60%, #4a4590 100%);
  z-index: 0;
}

.hero-content {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: var(--space-2xl);
  align-items: center;
  padding-top: var(--space-2xl);
  padding-bottom: var(--space-2xl);
}

.hero-text {
  color: var(--color-white);
}

.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  color: var(--color-white);
  line-height: 1.2;
  margin: var(--space-sm) 0;
}

.hero-subtitle {
  font-family: var(--font-accent);
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--color-accent-yellow);
  font-weight: 700;
  margin-bottom: var(--space-md);
  line-height: 1.5;
}

.hero-desc {
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.8;
  margin-bottom: var(--space-lg);
  max-width: 480px;
}

.hero-actions {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.btn-outline-white {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius-full);
  font-family: var(--font-accent);
  font-weight: 700;
  font-size: 1rem;
  text-decoration: none;
  transition: all var(--transition-normal);
  border: 2px solid rgba(255, 255, 255, 0.7);
  color: var(--color-white);
  background: transparent;
}

.btn-outline-white:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: var(--color-white);
}

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

.hero-image img {
  width: 100%;
  max-width: 640px;
  height: auto;
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
  object-fit: cover;
  object-position: center 25%;
}

/* Hero decorative shapes */
.hero-shape {
  position: absolute;
  border-radius: var(--radius-full);
  opacity: 0.08;
  background: var(--color-white);
  z-index: 0;
}

.hero-shape-1 {
  width: 400px;
  height: 400px;
  top: -100px;
  right: -100px;
}

.hero-shape-2 {
  width: 250px;
  height: 250px;
  bottom: -50px;
  left: 10%;
}

/* ===== ABOUT INTRO SECTION ===== */
.about-intro {
  background-color: var(--color-bg-light);
}

.about-intro-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  align-items: center;
}

.about-intro-image img {
  width: 100%;
  height: 420px;
  object-fit: cover;
  object-position: center 25%;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-hover);
}

.about-intro-text p {
  color: var(--color-text-light);
  line-height: 1.8;
  font-size: 1rem;
}

/* ===== PROGRAMS SECTION ===== */
.programs-section {
  background-color: var(--color-white);
}

.programs-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
}

.program-card-icon {
  font-size: 4rem;
  line-height: 1;
  margin-bottom: var(--space-sm);
}

/* ===== STATS SECTION ===== */
.stats-section {
  background-color: var(--color-primary);
  padding: var(--space-2xl) 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
  text-align: center;
}

.stat-item {
  padding: var(--space-md);
}

.stat-number {
  font-family: var(--font-accent);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  color: var(--color-accent-yellow);
  line-height: 1;
  margin-bottom: var(--space-xs);
}

.stat-label {
  font-size: 0.9375rem;
  color: rgba(255, 255, 255, 0.75);
  font-weight: 500;
}

/* ===== GALLERY PREVIEW SECTION ===== */
.gallery-preview-section {
  background-color: var(--color-bg-light);
}

.gallery-preview-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-sm);
}

.gallery-thumb {
  display: block;
  overflow: hidden;
  border-radius: var(--radius-md);
  position: relative;
}

.gallery-thumb img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  object-position: center 25%;
  transition: transform var(--transition-normal);
  display: block;
}

.gallery-thumb:hover img {
  transform: scale(1.05);
}

.gallery-thumb::after {
  content: '🔍';
  position: absolute;
  inset: 0;
  background: rgba(44, 39, 80, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.gallery-thumb:hover::after {
  opacity: 1;
}

/* ===== BLOG PREVIEW SECTION ===== */
.blog-preview-section {
  background-color: var(--color-white);
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

.blog-card {
  background: var(--color-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: box-shadow var(--transition-normal), transform var(--transition-normal);
}

.blog-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}

.blog-card-image-link {
  display: block;
  overflow: hidden;
}

.blog-card-image-link img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  object-position: center 25%;
  transition: transform var(--transition-normal);
  display: block;
}

.blog-card:hover .blog-card-image-link img {
  transform: scale(1.04);
}

.blog-card-body {
  padding: var(--space-md);
}

.blog-card-date {
  display: block;
  font-size: 0.8125rem;
  color: var(--color-text-light);
  margin-bottom: var(--space-xs);
  font-family: var(--font-accent);
}

.blog-card-title {
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.5;
  margin-bottom: var(--space-xs);
}

.blog-card-title a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.blog-card-title a:hover {
  color: var(--color-accent-red);
}

.blog-card-excerpt {
  font-size: 0.875rem;
  color: var(--color-text-light);
  line-height: 1.7;
}

/* ===== REVIEWS PREVIEW SECTION ===== */
.reviews-preview-section {
  background-color: var(--color-bg-light);
}

.reviews-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
}

.review-card {
  background: var(--color-white);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  box-shadow: var(--shadow-card);
  border-left: 4px solid var(--color-accent-red);
  margin: 0;
}

.review-stars {
  color: var(--color-accent-yellow);
  font-size: 1.125rem;
  letter-spacing: 2px;
  margin-bottom: var(--space-sm);
}

.review-text {
  font-size: 1rem;
  color: var(--color-text);
  line-height: 1.8;
  margin-bottom: var(--space-md);
  font-style: italic;
}

.review-author {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.review-avatar {
  font-size: 2rem;
  line-height: 1;
}

.review-name {
  display: block;
  font-weight: 700;
  color: var(--color-primary);
  font-style: normal;
  font-size: 0.9375rem;
}

.review-program {
  font-size: 0.8125rem;
  color: var(--color-accent-red);
  font-weight: 600;
}

/* ===== CTA BANNER SECTION ===== */
.cta-banner-section {
  background-color: var(--color-primary);
  position: relative;
  overflow: hidden;
}

.cta-banner-section::before {
  content: '';
  position: absolute;
  top: -80px;
  right: -80px;
  width: 300px;
  height: 300px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.05);
}

.cta-banner-section::after {
  content: '';
  position: absolute;
  bottom: -60px;
  left: -60px;
  width: 200px;
  height: 200px;
  border-radius: var(--radius-full);
  background: rgba(255, 187, 58, 0.1);
}

.cta-banner-title {
  font-family: var(--font-heading);
  font-size: clamp(1.75rem, 3.5vw, 2.75rem);
  color: var(--color-white);
  line-height: 1.3;
  margin-bottom: var(--space-md);
}

.cta-banner-desc {
  font-size: 1.0625rem;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: var(--space-lg);
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.7;
}

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

  .hero-image {
    order: -1;
  }

  .hero-image img {
    max-width: 500px;
  }

  .hero-desc {
    max-width: 100%;
  }

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

  .about-intro-grid {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }

  .about-intro-image {
    order: -1;
  }

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

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
  }

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

/* ===== RESPONSIVE: MOBILE (≤768px) ===== */
@media (max-width: 768px) {
  .hero {
    min-height: auto;
    padding-top: 100px;
    padding-bottom: var(--space-2xl);
  }

  .hero-title {
    font-size: 2.25rem;
  }

  .gallery-preview-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

  .program-card-icon {
    font-size: 3.25rem;
  }
}

/* ===== RESPONSIVE: SMALL MOBILE (≤480px) ===== */
@media (max-width: 480px) {
  .programs-grid {
    grid-template-columns: 1fr;
  }

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

  .gallery-preview-grid {
    grid-template-columns: 1fr;
  }

  .hero-actions {
    flex-direction: column;
    align-items: center;
  }

  .hero-actions .btn {
    width: 100%;
    max-width: 280px;
    text-align: center;
  }
}