/* Inspire English - Design System */
:root {
  --navy: #1E3A5F;
  --navy-dark: #152a45;
  --navy-light: #2a5080;
  --gold: #D4A84F;
  --gold-light: #e8c878;
  --gold-dark: #b8923f;
  --white: #ffffff;
  --gray-50: #f8f9fa;
  --gray-100: #f1f3f5;
  --gray-200: #e9ecef;
  --gray-300: #dee2e6;
  --gray-600: #6c757d;
  --gray-800: #343a40;
  --font-serif: "Noto Serif TC", "Georgia", serif;
  --font-sans: "Noto Sans TC", "Segoe UI", system-ui, sans-serif;
  --shadow-sm: 0 2px 8px rgba(30, 58, 95, 0.08);
  --shadow-md: 0 8px 24px rgba(30, 58, 95, 0.12);
  --shadow-lg: 0 16px 48px rgba(30, 58, 95, 0.15);
  --radius: 12px;
  --transition: 0.3s ease;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  color: var(--gray-800);
  line-height: 1.7;
  background: var(--white);
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  color: var(--navy);
  font-weight: 700;
  line-height: 1.3;
}

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

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

/* Top Bar */
.top-bar {
  background: var(--navy-dark);
  color: rgba(255, 255, 255, 0.85);
  font-size: 0.85rem;
  padding: 0.5rem 0;
}

.top-bar a {
  color: var(--gold-light);
}

.top-bar a:hover {
  color: var(--white);
}

/* Navbar */
.navbar {
  background: var(--white) !important;
  box-shadow: var(--shadow-sm);
  padding: 0.75rem 0;
  transition: box-shadow var(--transition);
}

.navbar.scrolled {
  box-shadow: var(--shadow-md);
}

.navbar-brand {
  padding: 0;
  margin-right: 1rem;
}

.navbar-logo {
  height: 48px;
  width: auto;
  display: block;
}

.nav-link {
  color: var(--navy) !important;
  font-weight: 500;
  padding: 0.5rem 1rem !important;
  position: relative;
}

.nav-link:hover,
.nav-link.active {
  color: var(--gold-dark) !important;
}

.nav-link.active::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 1rem;
  right: 1rem;
  height: 2px;
  background: var(--gold);
  border-radius: 2px;
}

.dropdown-menu {
  border: none;
  box-shadow: var(--shadow-md);
  border-radius: var(--radius);
  padding: 0.5rem;
}

.dropdown-item {
  border-radius: 8px;
  padding: 0.5rem 1rem;
  font-weight: 500;
}

.dropdown-item:hover {
  background: var(--gray-100);
  color: var(--navy);
}

/* Desktop: submenu opens on hover */
@media (min-width: 992px) {
  .navbar .nav-item.dropdown {
    position: relative;
  }

  .navbar .nav-item.dropdown > .dropdown-menu {
    display: block;
    margin-top: 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(6px);
    transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s;
    pointer-events: none;
    border-top: 3px solid var(--gold);
  }

  .navbar .nav-item.dropdown:hover > .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    pointer-events: auto;
  }

  /* Prevent hover gap between trigger and submenu */
  .navbar .nav-item.dropdown > .dropdown-menu::before {
    content: "";
    position: absolute;
    top: -10px;
    left: 0;
    right: 0;
    height: 10px;
  }
}

/* Buttons */
.btn-gold {
  background: var(--gold);
  color: var(--navy-dark);
  border: 2px solid var(--gold);
  font-weight: 600;
  padding: 0.65rem 1.75rem;
  border-radius: 50px;
  transition: all var(--transition);
}

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

.btn-navy {
  background: var(--navy);
  color: var(--white);
  border: 2px solid var(--navy);
  font-weight: 600;
  padding: 0.65rem 1.75rem;
  border-radius: 50px;
  transition: all var(--transition);
}

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

.btn-outline-gold {
  background: transparent;
  color: var(--white);
  border: 2px solid var(--gold);
  font-weight: 600;
  padding: 0.65rem 1.75rem;
  border-radius: 50px;
  transition: all var(--transition);
}

.btn-outline-gold:hover {
  background: var(--gold);
  color: var(--navy-dark);
  transform: translateY(-2px);
}

.btn-whatsapp {
  background: #25D366;
  color: var(--white);
  border: 2px solid #25D366;
  font-weight: 600;
  padding: 0.65rem 1.75rem;
  border-radius: 50px;
  transition: all var(--transition);
}

.btn-whatsapp:hover {
  background: #1da851;
  border-color: #1da851;
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* Hero */
.hero {
  position: relative;
  min-height: 85vh;
  display: flex;
  align-items: center;
  background: var(--navy);
  overflow: hidden;
}

.hero-bg,
.hero-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-bg {
  background-size: cover;
  background-position: center;
  opacity: 0.35;
}

.hero-video {
  object-fit: cover;
  opacity: 0.42;
  z-index: 0;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(30, 58, 95, 0.92) 0%, rgba(30, 58, 95, 0.75) 50%, rgba(30, 58, 95, 0.6) 100%);
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  color: var(--white);
  padding: 4rem 0;
}

.hero h1 {
  color: var(--white);
  font-size: clamp(2rem, 5vw, 3.25rem);
  margin-bottom: 1.25rem;
}

.hero .lead {
  font-size: clamp(1rem, 2.5vw, 1.2rem);
  opacity: 0.92;
  max-width: 640px;
  margin-bottom: 2rem;
}

.hero-badge {
  display: inline-block;
  background: rgba(212, 168, 79, 0.2);
  border: 1px solid var(--gold);
  color: var(--gold-light);
  padding: 0.35rem 1rem;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  letter-spacing: 0.05em;
}

/* Page Hero (inner pages) */
.page-hero {
  background-image: linear-gradient(135deg, rgba(30, 58, 95, 0.82) 0%, rgba(30, 58, 95, 0.68) 100%), url("../images/img09.jpg");
  background-size: cover;
  background-position: center;
  color: var(--white);
  padding: 5rem 0 4rem;
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(30, 58, 95, 0.36);
  z-index: 0;
}

.page-hero .container {
  position: relative;
  z-index: 1;
}

.page-hero h1 {
  color: var(--white);
  font-size: clamp(1.75rem, 4vw, 2.75rem);
}

.page-hero .breadcrumb {
  margin-bottom: 1rem;
}

.page-hero .breadcrumb-item a {
  color: var(--gold-light);
}

.page-hero .breadcrumb-item.active {
  color: rgba(255, 255, 255, 0.7);
}

.page-hero .breadcrumb-item + .breadcrumb-item::before {
  color: rgba(255, 255, 255, 0.5);
}

/* Sections */
.section {
  padding: 5rem 0;
}

.section-alt {
  background: var(--gray-50);
}

.section-title {
  text-align: center;
  margin-bottom: 3.5rem;
}

.section-title .subtitle {
  color: var(--gold);
  font-weight: 600;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.5rem;
  display: block;
}

.section-title h2 {
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  margin-bottom: 1rem;
}

.section-title p {
  color: var(--gray-600);
  max-width: 600px;
  margin: 0 auto;
}

.gold-line {
  width: 60px;
  height: 3px;
  background: var(--gold);
  margin: 1rem auto 0;
  border-radius: 2px;
}

/* Feature Cards */
.feature-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 2rem;
  height: 100%;
  border: 1px solid var(--gray-200);
  transition: all var(--transition);
  text-align: center;
}

.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: var(--gold);
}

.feature-icon {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 100%);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.25rem;
  color: var(--gold);
  font-size: 1.5rem;
}

.feature-card h3 {
  font-size: 1.15rem;
  margin-bottom: 0.75rem;
}

.feature-card p {
  color: var(--gray-600);
  font-size: 0.95rem;
  margin: 0;
}

/* School Tags */
.school-tags {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
  max-width: 520px;
  margin: 0 auto;
}

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

.school-tag {
  background: var(--white);
  border: 1px solid var(--gray-200);
  padding: 0.5rem 0.75rem;
  border-radius: 50px;
  font-weight: 500;
  color: var(--navy);
  font-size: 0.85rem;
  text-align: center;
  line-height: 1.35;
  transition: all var(--transition);
}

.school-tag:hover {
  background: var(--navy);
  color: var(--white);
  border-color: var(--navy);
}

/* Success Cards */
.success-card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-200);
  height: 100%;
  transition: all var(--transition);
}

.success-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.success-card .card-img-top {
  height: 200px;
  object-fit: cover;
}

.success-card .card-body {
  padding: 1.5rem;
}

.success-card .school-name {
  color: var(--gold);
  font-weight: 600;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.success-card h3 {
  font-size: 1.1rem;
  margin: 0.5rem 0;
}

.success-card p {
  color: var(--gray-600);
  font-size: 0.9rem;
  margin: 0;
}

/* Blog Style (Success Stories) */
.category-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
  margin-bottom: 2.5rem;
}

.category-chip {
  display: inline-block;
  padding: 0.45rem 1rem;
  border-radius: 50px;
  background: var(--white);
  color: var(--navy);
  border: 1px solid var(--gray-200);
  font-size: 0.9rem;
  font-weight: 600;
}

.category-chip:hover {
  background: var(--navy);
  color: var(--white);
  border-color: var(--navy);
}

.blog-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  overflow: hidden;
  height: 100%;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
}

.blog-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.blog-card img {
  width: 100%;
  height: 220px;
  object-fit: cover;
}

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

.blog-image-link img {
  transition: transform var(--transition);
}

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

.blog-card-body {
  padding: 1.4rem;
}

.blog-meta {
  font-size: 0.8rem;
  color: var(--gray-600);
  margin-bottom: 0.55rem;
}

.blog-title {
  font-size: 1.05rem;
  margin-bottom: 0.65rem;
}

.blog-excerpt {
  font-size: 0.92rem;
  color: var(--gray-600);
  margin-bottom: 1rem;
}

.blog-readmore {
  color: var(--gold-dark);
  font-weight: 600;
  font-size: 0.9rem;
}

.article-page {
  max-width: 880px;
  margin: 0 auto;
  background: var(--white);
}

.article-hero-img {
  width: 100%;
  height: auto;
  max-height: 520px;
  object-fit: cover;
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  margin-bottom: 2rem;
}

.article-page .article-meta {
  color: var(--gold-dark);
  font-weight: 700;
  font-size: 0.9rem;
  margin-bottom: 0.75rem;
}

.article-page h1 {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  margin-bottom: 1rem;
}

.article-source {
  color: var(--gray-600);
  font-size: 0.9rem;
  margin-bottom: 2rem;
}

.article-content {
  font-size: 1.05rem;
  line-height: 2;
}

.article-content p {
  margin-bottom: 1.25rem;
}

.article-gallery {
  margin-top: 2.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--gray-200);
}

.article-gallery h2 {
  font-size: 1.45rem;
  margin-bottom: 1.25rem;
}

.article-gallery-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.article-gallery-grid img {
  width: 100%;
  height: auto;
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-200);
  cursor: zoom-in;
}

.article-hero-img {
  cursor: zoom-in;
}

.lightbox-overlay {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  background: rgba(10, 20, 34, 0.88);
}

.lightbox-overlay.active {
  display: flex;
}

.lightbox-overlay img {
  max-width: min(1100px, 92vw);
  max-height: 86vh;
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
}

.lightbox-close {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  width: 44px;
  height: 44px;
  border: 0;
  border-radius: 50%;
  background: var(--white);
  color: var(--navy);
  font-size: 1.5rem;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.lightbox-caption {
  position: absolute;
  left: 50%;
  bottom: 1rem;
  transform: translateX(-50%);
  max-width: min(900px, 86vw);
  color: var(--white);
  font-size: 0.95rem;
  text-align: center;
  opacity: 0.9;
}

@media (max-width: 575.98px) {
  .article-gallery-grid {
    grid-template-columns: 1fr;
  }
}

/* Teacher Section */
.teacher-img {
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  object-fit: cover;
  width: 100%;
  aspect-ratio: 4/5;
}

.teacher-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin-top: 2rem;
}

.stat-item {
  background: var(--gray-50);
  border-radius: var(--radius);
  padding: 1.25rem;
  text-align: center;
  border-left: 3px solid var(--gold);
}

.stat-item .number {
  font-family: var(--font-serif);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--navy);
  display: block;
}

.stat-item .label {
  font-size: 0.85rem;
  color: var(--gray-600);
}

/* Course Cards */
.course-card {
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--white);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-200);
  height: 100%;
  transition: all var(--transition);
}

.course-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.course-card img {
  height: 220px;
  object-fit: cover;
  width: 100%;
}

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

.course-image-link img {
  transition: transform var(--transition);
}

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

.course-card .card-body {
  padding: 1.75rem;
}

.course-card .badge-course {
  background: rgba(212, 168, 79, 0.15);
  color: var(--gold-dark);
  font-weight: 600;
  padding: 0.35rem 0.85rem;
  border-radius: 50px;
  font-size: 0.8rem;
}

/* Pricing Table */
.pricing-card {
  background: var(--white);
  border-radius: var(--radius);
  border: 2px solid var(--gray-200);
  padding: 2rem;
  height: 100%;
  transition: all var(--transition);
  position: relative;
}

.pricing-card.featured {
  border-color: var(--gold);
  box-shadow: var(--shadow-md);
}

.pricing-card.featured::before {
  content: "推薦";
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gold);
  color: var(--navy-dark);
  padding: 0.25rem 1rem;
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 700;
}

.pricing-card h3 {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
}

.pricing-card .price {
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 700;
  color: var(--navy);
}

.pricing-card .price span {
  font-size: 0.9rem;
  color: var(--gray-600);
  font-weight: 400;
}

.pricing-card ul {
  list-style: none;
  padding: 0;
  margin: 1.5rem 0;
}

.pricing-card ul li {
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--gray-100);
  font-size: 0.95rem;
  color: var(--gray-600);
}

.pricing-card ul li::before {
  content: "✓";
  color: var(--gold);
  font-weight: 700;
  margin-right: 0.5rem;
}

/* Contact Form */
.contact-form .form-control,
.contact-form .form-select {
  border: 1px solid var(--gray-300);
  border-radius: 8px;
  padding: 0.75rem 1rem;
  transition: border-color var(--transition);
}

.contact-form .form-control:focus,
.contact-form .form-select:focus {
  border-color: var(--gold);
  box-shadow: 0 0 0 0.2rem rgba(212, 168, 79, 0.25);
}

.contact-info-card {
  background: var(--navy);
  color: var(--white);
  border-radius: var(--radius);
  padding: 2rem;
  height: 100%;
}

.contact-info-card h3 {
  color: var(--white);
  margin-bottom: 1.5rem;
}

.contact-info-item {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.25rem;
  align-items: flex-start;
}

.contact-info-item i {
  color: var(--gold);
  font-size: 1.25rem;
  margin-top: 0.2rem;
}

.contact-info-item a {
  color: var(--gold-light);
}

.contact-info-item a:hover {
  color: var(--white);
}

/* Map */
.map-container {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  height: 400px;
}

.map-container iframe {
  width: 100%;
  height: 100%;
  border: 0;
}

/* Philosophy Articles */
.philosophy-intro {
  max-width: 720px;
  margin: 0 auto 3rem;
  text-align: center;
  color: var(--gray-600);
  font-size: 1.05rem;
}

.philosophy-article {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 2.5rem;
  height: 100%;
  box-shadow: var(--shadow-sm);
}

.philosophy-article h3 {
  font-size: 1.5rem;
  margin-bottom: 1.25rem;
  padding-left: 1rem;
  border-left: 4px solid var(--gold);
}

.philosophy-article .article-label {
  display: inline-block;
  background: rgba(30, 58, 95, 0.08);
  color: var(--navy);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.3rem 0.85rem;
  border-radius: 50px;
  margin-bottom: 1rem;
  letter-spacing: 0.04em;
}

.philosophy-quote {
  background: var(--gray-50);
  border-left: 4px solid var(--gold);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 1.5rem 1.75rem;
  margin: 1.5rem 0;
  color: var(--gray-800);
  font-size: 0.95rem;
  line-height: 1.85;
}

.philosophy-quote p:last-child {
  margin-bottom: 0;
}

.philosophy-highlight {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 100%);
  color: var(--white);
  border-radius: var(--radius);
  padding: 1.5rem 2rem;
  text-align: center;
  margin: 1.5rem 0;
}

.philosophy-highlight strong {
  color: var(--gold-light);
  font-family: var(--font-serif);
  font-size: 1.25rem;
}

.philosophy-formula {
  background: rgba(212, 168, 79, 0.12);
  border: 1px solid rgba(212, 168, 79, 0.35);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  text-align: center;
  font-weight: 600;
  color: var(--navy);
  margin: 1.5rem 0;
  font-size: 1.1rem;
}

.philosophy-compare {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin: 1.5rem 0;
}

.philosophy-compare-item {
  border-radius: var(--radius);
  padding: 1.25rem;
  font-size: 0.92rem;
  line-height: 1.75;
}

.philosophy-compare-item.positive {
  background: rgba(30, 58, 95, 0.06);
  border: 1px solid rgba(30, 58, 95, 0.12);
}

.philosophy-compare-item.negative {
  background: rgba(220, 53, 69, 0.05);
  border: 1px solid rgba(220, 53, 69, 0.15);
}

.philosophy-compare-item h4 {
  font-size: 1.1rem;
  margin-bottom: 0.75rem;
}

.philosophy-compare-item.positive h4 {
  color: var(--navy);
}

.philosophy-compare-item.negative h4 {
  color: #b02a37;
}

.philosophy-case {
  background: var(--gray-50);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  margin-top: 1rem;
  border-left: 3px solid var(--gold);
}

.philosophy-case h4 {
  font-size: 0.95rem;
  color: var(--gold-dark);
  margin-bottom: 0.5rem;
}

.philosophy-case p {
  margin: 0;
  font-size: 0.92rem;
  color: var(--gray-600);
}

.philosophy-list {
  list-style: none;
  padding: 0;
  margin: 0 0 1rem;
}

.philosophy-list li {
  padding: 0.45rem 0 0.45rem 1.5rem;
  position: relative;
  border-bottom: 1px solid var(--gray-100);
  font-size: 0.95rem;
}

.philosophy-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--gold);
  font-weight: 700;
}

@media (max-width: 767.98px) {
  .philosophy-article {
    padding: 1.75rem;
  }

  .philosophy-compare {
    grid-template-columns: 1fr;
  }
}

/* CTA Banner */
.cta-banner {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 100%);
  color: var(--white);
  padding: 4rem 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: "";
  position: absolute;
  bottom: -100px;
  left: -100px;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(212, 168, 79, 0.2) 0%, transparent 70%);
  border-radius: 50%;
}

.cta-banner h2 {
  color: var(--white);
  margin-bottom: 1rem;
}

.cta-banner p {
  opacity: 0.9;
  max-width: 500px;
  margin: 0 auto 2rem;
}

/* Footer */
.footer {
  background: var(--navy-dark);
  color: rgba(255, 255, 255, 0.8);
  padding: 4rem 0 0;
}

.footer h5 {
  color: var(--white);
  font-size: 1.1rem;
  margin-bottom: 1.25rem;
}

.footer a {
  color: rgba(255, 255, 255, 0.7);
  display: block;
  padding: 0.3rem 0;
  font-size: 0.9rem;
}

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

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  margin-top: 3rem;
  padding: 1.5rem 0;
  text-align: center;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.5);
}

/* Content Blocks */
.content-block {
  margin-bottom: 2rem;
}

.content-block h3 {
  font-size: 1.35rem;
  margin-bottom: 1rem;
  padding-left: 1rem;
  border-left: 4px solid var(--gold);
}

.content-list {
  list-style: none;
  padding: 0;
}

.content-list li {
  padding: 0.6rem 0;
  padding-left: 1.75rem;
  position: relative;
  border-bottom: 1px solid var(--gray-100);
}

.content-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1rem;
  width: 8px;
  height: 8px;
  background: var(--gold);
  border-radius: 50%;
}

/* FAQ */
.faq-item {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  margin-bottom: 1rem;
  overflow: hidden;
}

.faq-item .accordion-button {
  font-weight: 600;
  color: var(--navy);
  background: var(--white);
  box-shadow: none;
}

.faq-item .accordion-button:not(.collapsed) {
  background: var(--gray-50);
  color: var(--navy);
}

.faq-item .accordion-button:focus {
  box-shadow: none;
  border-color: var(--gold);
}

/* Reviews */
.review-accordion .accordion-button {
  gap: 0.75rem;
  font-weight: 700;
}

.review-accordion .accordion-button i {
  color: var(--gold-dark);
  font-size: 1.25rem;
}

.review-role {
  color: var(--gray-600);
  font-size: 0.92rem;
  font-weight: 500;
}

.sample-article {
  background: var(--gray-50);
  border-left: 4px solid var(--gold);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 1.5rem;
  margin-top: 1.25rem;
}

.sample-article h4 {
  font-size: 1.1rem;
  margin-bottom: 1rem;
}

.sample-article p {
  color: var(--gray-800);
  font-size: 0.95rem;
  line-height: 1.9;
}

/* Floating WhatsApp */
.whatsapp-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 1050;
  width: 60px;
  height: 60px;
  background: #25D366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 1.75rem;
  box-shadow: var(--shadow-lg);
  transition: all var(--transition);
}

.whatsapp-float:hover {
  background: #1da851;
  color: var(--white);
  transform: scale(1.1);
}

.instagram-float {
  position: fixed;
  bottom: 96px;
  right: 24px;
  z-index: 1050;
  width: 60px;
  height: 60px;
  background: radial-gradient(circle at 30% 107%, #fdf497 0%, #fdf497 5%, #fd5949 45%, #d6249f 60%, #285aeb 90%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 1.75rem;
  box-shadow: var(--shadow-lg);
  transition: all var(--transition);
}

.instagram-float:hover {
  color: var(--white);
  transform: scale(1.1);
}

/* Animations */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* Responsive */
@media (max-width: 991.98px) {
  .section {
    padding: 3.5rem 0;
  }

  .hero {
    min-height: 70vh;
  }

  .teacher-stats {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 575.98px) {
  .hero-content .d-flex {
    flex-direction: column;
  }

  .hero-content .btn {
    width: 100%;
    text-align: center;
  }

  .teacher-stats {
    grid-template-columns: 1fr;
  }
}