/* ============================================================
   TestÇöz — Ana Stil Dosyası
   İlkokul Matematik Test Platformu
   ============================================================ */

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
  background-color: #F8FAFC;
  color: #1F2937;
  line-height: 1.65;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

/* --- CSS Variables --- */
:root {
  --primary:        #3B82F6;
  --primary-dark:   #1E40AF;
  --primary-light:  #EFF6FF;
  --secondary:      #F59E0B;
  --secondary-dark: #D97706;
  --secondary-light:#FFFBEB;
  --bg:             #F8FAFC;
  --text:           #1F2937;
  --text-muted:     #6B7280;
  --text-light:     #9CA3AF;
  --white:          #FFFFFF;
  --gray-50:        #F9FAFB;
  --gray-100:       #F3F4F6;
  --gray-200:       #E5E7EB;
  --gray-300:       #D1D5DB;
  --success:        #10B981;
  --success-light:  #ECFDF5;
  --danger:         #EF4444;
  --radius-sm:      6px;
  --radius:         10px;
  --radius-lg:      16px;
  --radius-xl:      24px;
  --shadow-sm:      0 1px 3px rgba(0,0,0,0.07), 0 1px 2px rgba(0,0,0,0.04);
  --shadow:         0 4px 12px rgba(0,0,0,0.08);
  --shadow-md:      0 8px 24px rgba(0,0,0,0.10);
  --shadow-lg:      0 16px 48px rgba(0,0,0,0.12);
  --transition:     all 0.2s ease;
  --max-width:      1160px;
  --header-height:  68px;
}

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  line-height: 1.3;
  font-weight: 700;
  color: var(--text);
}

h1 { font-size: clamp(1.75rem, 4vw, 2.5rem); }
h2 { font-size: clamp(1.4rem, 3vw, 1.9rem); }
h3 { font-size: clamp(1.1rem, 2vw, 1.35rem); }
h4 { font-size: 1.1rem; }

p { color: var(--text); }

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

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

ul { list-style: none; }

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

/* --- Layout --- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

.section {
  padding: 72px 0;
}

.section-sm {
  padding: 48px 0;
}

.section-header {
  text-align: center;
  margin-bottom: 48px;
}

.section-header h2 {
  margin-bottom: 12px;
}

.section-header p {
  color: var(--text-muted);
  font-size: 1.05rem;
  max-width: 580px;
  margin: 0 auto;
}

.text-center { text-align: center; }
.text-muted  { color: var(--text-muted); }

/* --- Header / Nav --- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--white);
  border-bottom: 1px solid var(--gray-200);
  height: var(--header-height);
  display: flex;
  align-items: center;
  box-shadow: var(--shadow-sm);
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--primary-dark);
  text-decoration: none;
  flex-shrink: 0;
}

.logo-icon {
  width: 36px;
  height: 36px;
  background: var(--primary);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 18px;
  font-weight: 900;
}

.logo-text span {
  color: var(--secondary);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.main-nav a {
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  color: var(--text);
  font-weight: 500;
  font-size: 0.95rem;
  transition: var(--transition);
}

.main-nav a:hover,
.main-nav a.active {
  background: var(--primary-light);
  color: var(--primary);
}

.header-cta {
  background: var(--primary);
  color: white !important;
  padding: 9px 20px !important;
  border-radius: var(--radius) !important;
  font-weight: 600 !important;
}

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

.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.mobile-menu-btn span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: var(--transition);
}

.mobile-menu-btn:hover {
  background: var(--gray-100);
}

/* Mobile nav */
.mobile-nav {
  display: none;
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  background: white;
  border-bottom: 1px solid var(--gray-200);
  padding: 16px 20px;
  box-shadow: var(--shadow-md);
  z-index: 99;
  flex-direction: column;
  gap: 4px;
}

.mobile-nav.open {
  display: flex;
}

.mobile-nav a {
  display: block;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  color: var(--text);
  font-weight: 500;
  font-size: 1rem;
  transition: var(--transition);
}

.mobile-nav a:hover {
  background: var(--primary-light);
  color: var(--primary);
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  border: 2px solid transparent;
  transition: var(--transition);
  text-decoration: none;
  line-height: 1;
}

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

.btn-primary:hover {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
  color: white;
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(59,130,246,0.35);
}

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

.btn-secondary:hover {
  background: var(--secondary-dark);
  border-color: var(--secondary-dark);
  color: white;
  transform: translateY(-1px);
}

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

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

.btn-lg {
  padding: 15px 36px;
  font-size: 1.1rem;
  border-radius: var(--radius-lg);
}

.btn-sm {
  padding: 8px 18px;
  font-size: 0.9rem;
  border-radius: var(--radius-sm);
}

/* --- Hero Section --- */
.hero {
  background: linear-gradient(135deg, #EFF6FF 0%, #DBEAFE 50%, #F8FAFC 100%);
  padding: 80px 0 72px;
  overflow: hidden;
  position: relative;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50px;
  right: -80px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(59,130,246,0.08) 0%, transparent 70%);
  border-radius: 50%;
}

.hero-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 60px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--primary-light);
  color: var(--primary);
  padding: 6px 14px;
  border-radius: 100px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 20px;
  border: 1px solid rgba(59,130,246,0.2);
}

.hero h1 {
  font-size: clamp(2rem, 4.5vw, 2.8rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 20px;
  color: var(--primary-dark);
}

.hero h1 em {
  font-style: normal;
  color: var(--secondary);
}

.hero-subtitle {
  font-size: 1.1rem;
  color: var(--text-muted);
  margin-bottom: 36px;
  max-width: 460px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  gap: 28px;
  margin-top: 40px;
  padding-top: 32px;
  border-top: 1px solid var(--gray-200);
}

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

.hero-stat .number {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--primary);
  display: block;
}

.hero-stat .label {
  font-size: 0.8rem;
  color: var(--text-muted);
}

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

.hero-card-preview {
  background: white;
  border-radius: var(--radius-xl);
  padding: 32px;
  box-shadow: var(--shadow-lg);
  max-width: 360px;
  width: 100%;
  border: 1px solid var(--gray-200);
}

.preview-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
}

.preview-icon {
  width: 44px;
  height: 44px;
  background: var(--primary-light);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
}

.preview-progress {
  margin-bottom: 20px;
}

.progress-bar {
  background: var(--gray-200);
  border-radius: 100px;
  height: 8px;
  overflow: hidden;
  margin-top: 6px;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary), #60A5FA);
  border-radius: 100px;
  transition: width 0.4s ease;
}

.preview-options {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.preview-option {
  padding: 12px 16px;
  border: 2px solid var(--gray-200);
  border-radius: var(--radius);
  font-size: 0.95rem;
  cursor: pointer;
  transition: var(--transition);
  background: white;
}

.preview-option:hover,
.preview-option.selected {
  border-color: var(--primary);
  background: var(--primary-light);
  color: var(--primary);
}

.preview-option.correct {
  border-color: var(--success);
  background: var(--success-light);
  color: var(--success);
}

/* --- Ad Placeholder --- */
.ad-zone {
  background: var(--gray-50);
  border: 1px dashed var(--gray-300);
  border-radius: var(--radius);
  padding: 20px;
  text-align: center;
  color: var(--text-light);
  font-size: 0.8rem;
  margin: 32px auto;
  max-width: 728px;
  min-height: 90px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.ad-zone-label {
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-light);
}

/* --- Class Cards --- */
.class-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.class-card {
  background: white;
  border-radius: var(--radius-lg);
  padding: 28px 20px;
  text-align: center;
  border: 2px solid var(--gray-200);
  transition: var(--transition);
  cursor: pointer;
  text-decoration: none;
  display: block;
}

.class-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.class-card-emoji {
  font-size: 2.8rem;
  margin-bottom: 16px;
  display: block;
  line-height: 1;
}

.class-card-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 6px;
}

.class-card-subtitle {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.class-card-badge {
  display: inline-block;
  background: var(--primary-light);
  color: var(--primary);
  padding: 3px 10px;
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 600;
  margin-top: 12px;
}

/* Class card colors */
.class-card[data-class="1"] { --card-color: #10B981; }
.class-card[data-class="2"] { --card-color: #3B82F6; }
.class-card[data-class="3"] { --card-color: #8B5CF6; }
.class-card[data-class="4"] { --card-color: #F59E0B; }

.class-card:hover .class-card-emoji {
  transform: scale(1.1);
  display: block;
  transition: transform 0.2s ease;
}

/* --- Subject Cards --- */
/* --- Subject Grid --- */
.subject-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

@media (min-width: 640px) {
  .subject-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
  .subject-grid { grid-template-columns: repeat(3, 1fr); }
}

/* --- Subject Card --- */
.subject-card {
  background: white;
  border-radius: 16px;
  padding: 20px;
  border: 2px solid var(--gray-200);
  box-shadow: var(--shadow-sm);
  transition: all 0.2s ease;
  text-decoration: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  height: 100%;
}

.subject-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-md);
  transform: scale(1.02);
}

.subject-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  flex-shrink: 0;
  background: var(--primary-light);
}

.subject-info {
  flex: 1;
  min-width: 0;
}

.subject-info h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.subject-info p {
  font-size: 0.8rem;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-bottom: 8px;
}

.subject-topic-count {
  display: inline-block;
  font-size: 0.75rem;
  color: var(--primary);
  font-weight: 600;
  background: var(--primary-light);
  padding: 2px 10px;
  border-radius: 100px;
}

.subject-difficulty {
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  gap: 5px;
  align-items: flex-end;
}

/* --- Topic Cards --- */
.topic-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.topic-card {
  background: white;
  border: 2px solid var(--gray-200);
  border-radius: 14px;
  padding: 16px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  box-shadow: var(--shadow-sm);
  transition: all 0.2s ease;
  text-decoration: none;
}

.topic-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-md);
  transform: scale(1.01);
}

.topic-card-left {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
  flex: 1;
}

.topic-num {
  width: 36px;
  height: 36px;
  background: var(--primary-light);
  color: var(--primary);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.9rem;
  flex-shrink: 0;
}

.topic-info {
  min-width: 0;
}

.topic-info h4 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.topic-info p {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-top: 2px;
}

.difficulty-badges {
  flex-shrink: 0;
  display: flex;
  gap: 6px;
  align-items: center;
}

.badge {
  padding: 4px 10px;
  border-radius: 100px;
  font-size: 0.72rem;
  font-weight: 600;
  white-space: nowrap;
}

.badge-kolay  { background: #ECFDF5; color: #059669; }
.badge-orta   { background: #FFFBEB; color: #D97706; }
.badge-zor    { background: #FFF1F2; color: #E11D48; }
.badge-yakinda { background: #F1F5F9; color: #94A3B8; }

/* --- Breadcrumb --- */
.breadcrumb {
  padding: 16px 0;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  flex-wrap: wrap;
}

.breadcrumb a {
  color: var(--text-muted);
  font-weight: 500;
}

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

.breadcrumb-sep {
  color: var(--gray-300);
}

.breadcrumb-current {
  color: var(--text);
  font-weight: 600;
}

/* --- Page Header --- */
.page-hero {
  background: linear-gradient(135deg, #EFF6FF, #DBEAFE);
  padding: 48px 0 40px;
  border-bottom: 1px solid var(--gray-200);
}

.page-hero h1 {
  font-size: clamp(1.6rem, 3.5vw, 2.1rem);
  margin-bottom: 10px;
}

.page-hero p {
  color: var(--text-muted);
  font-size: 1.05rem;
}

/* --- How It Works --- */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.step-card {
  text-align: center;
  padding: 32px 20px;
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-200);
  position: relative;
}

.step-number {
  width: 48px;
  height: 48px;
  background: var(--primary);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  font-weight: 800;
  margin: 0 auto 16px;
}

.step-icon {
  font-size: 2rem;
  margin-bottom: 12px;
  display: block;
}

.step-card h3 {
  font-size: 1.05rem;
  margin-bottom: 10px;
}

.step-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* --- Features / Benefits --- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-item {
  padding: 28px 24px;
  background: white;
  border-radius: var(--radius-lg);
  border: 1px solid var(--gray-200);
  box-shadow: var(--shadow-sm);
}

.feature-icon {
  font-size: 2rem;
  margin-bottom: 14px;
  display: block;
}

.feature-item h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.feature-item p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* --- Test Interface --- */
.test-wrapper {
  max-width: 720px;
  margin: 0 auto;
}

.test-progress-bar {
  background: white;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 20px 24px;
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 16px;
}

.test-counter {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-muted);
  white-space: nowrap;
}

.test-bar-wrap {
  flex: 1;
  background: var(--gray-200);
  border-radius: 100px;
  height: 8px;
  overflow: hidden;
}

.test-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary), #60A5FA);
  border-radius: 100px;
  width: 0%;
  transition: width 0.4s ease;
}

.test-score {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--success);
  white-space: nowrap;
}

.question-card {
  background: white;
  border-radius: var(--radius-lg);
  padding: 36px;
  border: 2px solid var(--gray-200);
  margin-bottom: 20px;
  min-height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.question-empty {
  text-align: center;
  padding: 40px 20px;
}

.question-empty-icon {
  font-size: 4rem;
  display: block;
  margin-bottom: 20px;
}

.question-empty h3 {
  font-size: 1.3rem;
  color: var(--text);
  margin-bottom: 12px;
}

.question-empty p {
  color: var(--text-muted);
  max-width: 380px;
  margin: 0 auto;
}

.options-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 24px;
}

.option-btn {
  padding: 16px 20px;
  border: 2px solid var(--gray-200);
  border-radius: var(--radius);
  background: white;
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  text-align: left;
  display: flex;
  align-items: center;
  gap: 12px;
}

.option-letter {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--gray-100);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.9rem;
  flex-shrink: 0;
}

.option-btn:hover:not(:disabled) {
  border-color: var(--primary);
  background: var(--primary-light);
}

.option-btn:disabled {
  cursor: not-allowed;
  opacity: 0.5;
}

.test-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

/* --- Info Boxes --- */
.info-box {
  background: var(--primary-light);
  border: 1px solid rgba(59,130,246,0.2);
  border-radius: var(--radius);
  padding: 20px 24px;
  margin: 24px 0;
}

.info-box h4 {
  color: var(--primary-dark);
  margin-bottom: 6px;
}

.info-box p {
  color: var(--primary-dark);
  font-size: 0.95rem;
}

/* --- Content Pages (Policy, About, etc.) --- */
.content-page {
  max-width: 780px;
  margin: 0 auto;
  padding: 48px 20px;
}

.content-page h1 {
  margin-bottom: 8px;
}

.content-page .last-updated {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 36px;
  display: block;
}

.content-page h2 {
  font-size: 1.3rem;
  margin-top: 40px;
  margin-bottom: 14px;
  color: var(--primary-dark);
  padding-bottom: 8px;
  border-bottom: 2px solid var(--gray-200);
}

.content-page h3 {
  font-size: 1.05rem;
  margin-top: 24px;
  margin-bottom: 10px;
}

.content-page p {
  margin-bottom: 14px;
  color: #374151;
  line-height: 1.75;
}

.content-page ul,
.content-page ol {
  margin-bottom: 14px;
  padding-left: 20px;
}

.content-page ul { list-style: disc; }
.content-page ol { list-style: decimal; }

.content-page li {
  margin-bottom: 7px;
  color: #374151;
  line-height: 1.65;
}

.content-page .highlight-box {
  background: var(--secondary-light);
  border-left: 4px solid var(--secondary);
  padding: 16px 20px;
  border-radius: 0 var(--radius) var(--radius) 0;
  margin: 20px 0;
}

.content-page .highlight-box p {
  margin: 0;
  font-weight: 500;
  color: #92400E;
}

/* --- Contact Form --- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 48px;
  align-items: start;
}

.contact-info h2 {
  margin-bottom: 16px;
}

.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 24px;
}

.contact-info-icon {
  width: 44px;
  height: 44px;
  background: var(--primary-light);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
}

.contact-info-item h4 {
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 3px;
}

.contact-info-item p {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.contact-form {
  background: white;
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: var(--shadow);
  border: 1px solid var(--gray-200);
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 6px;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid var(--gray-200);
  border-radius: var(--radius);
  font-size: 1rem;
  color: var(--text);
  background: white;
  transition: var(--transition);
  font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(59,130,246,0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 130px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

/* --- Parent Page Sections --- */
.parent-intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}

.parent-intro-text h2 {
  margin-bottom: 16px;
}

.parent-intro-text p {
  color: var(--text-muted);
  margin-bottom: 16px;
  line-height: 1.7;
}

.check-list {
  list-style: none;
  margin-top: 20px;
}

.check-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 12px;
  font-size: 0.95rem;
  color: var(--text);
}

.check-list li::before {
  content: '✓';
  color: var(--success);
  font-weight: 700;
  font-size: 1rem;
  flex-shrink: 0;
  margin-top: 2px;
}

.curriculum-table {
  width: 100%;
  border-collapse: collapse;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.curriculum-table th {
  background: var(--primary);
  color: white;
  padding: 14px 20px;
  text-align: left;
  font-size: 0.9rem;
  font-weight: 600;
}

.curriculum-table td {
  padding: 12px 20px;
  border-bottom: 1px solid var(--gray-200);
  font-size: 0.9rem;
  background: white;
  color: var(--text);
}

.curriculum-table tr:last-child td {
  border-bottom: none;
}

.curriculum-table tr:nth-child(even) td {
  background: var(--gray-50);
}

/* --- About Page --- */
.team-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.team-card {
  background: white;
  border-radius: var(--radius-lg);
  padding: 28px;
  text-align: center;
  border: 1px solid var(--gray-200);
  box-shadow: var(--shadow-sm);
}

.team-avatar {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  margin: 0 auto 16px;
}

.team-card h3 {
  font-size: 1rem;
  margin-bottom: 4px;
}

.team-card .role {
  color: var(--primary);
  font-size: 0.85rem;
  font-weight: 600;
}

/* --- Mission Block --- */
.mission-block {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  border-radius: var(--radius-xl);
  padding: 56px 48px;
  color: white;
  text-align: center;
  margin: 48px 0;
}

.mission-block h2 {
  color: white;
  font-size: 1.9rem;
  margin-bottom: 16px;
}

.mission-block p {
  color: rgba(255,255,255,0.85);
  font-size: 1.1rem;
  max-width: 560px;
  margin: 0 auto;
  line-height: 1.7;
}

/* --- Footer --- */
.site-footer {
  background: #111827;
  color: #D1D5DB;
  padding: 56px 0 0;
  margin-top: 80px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid #374151;
}

.footer-brand .logo {
  color: white;
  margin-bottom: 14px;
}

.footer-brand p {
  font-size: 0.9rem;
  color: #9CA3AF;
  line-height: 1.65;
  max-width: 280px;
}

.footer-col h4 {
  color: white;
  font-size: 0.9rem;
  font-weight: 700;
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col a {
  color: #9CA3AF;
  font-size: 0.9rem;
  transition: var(--transition);
}

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

.footer-bottom {
  padding: 20px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.footer-bottom p {
  font-size: 0.85rem;
  color: #6B7280;
}

.footer-bottom-links {
  display: flex;
  gap: 20px;
}

.footer-bottom-links a {
  color: #6B7280;
  font-size: 0.85rem;
}

.footer-bottom-links a:hover {
  color: white;
}

/* --- Utilities --- */
.bg-white   { background: white; }
.bg-gray    { background: var(--gray-50); }
.bg-primary { background: var(--primary-light); }

.rounded    { border-radius: var(--radius); }
.shadow     { box-shadow: var(--shadow); }

.mt-0  { margin-top: 0; }
.mt-8  { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mt-32 { margin-top: 32px; }
.mb-24 { margin-bottom: 24px; }
.mb-32 { margin-bottom: 32px; }

.flex         { display: flex; }
.flex-center  { display: flex; align-items: center; justify-content: center; }
.gap-8        { gap: 8px; }
.gap-16       { gap: 16px; }

/* --- Responsive --- */
@media (max-width: 1024px) {
  .class-grid     { grid-template-columns: repeat(2, 1fr); }
  .steps-grid     { grid-template-columns: repeat(3, 1fr); }
  .features-grid  { grid-template-columns: repeat(2, 1fr); }
  .footer-grid    { grid-template-columns: 1fr 1fr; }
  .hero-inner     { grid-template-columns: 1fr; gap: 40px; }
  .hero-visual    { display: none; }
  .contact-grid   { grid-template-columns: 1fr; }
  .parent-intro   { grid-template-columns: 1fr; }
  .team-grid      { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .main-nav { display: none; }
  .mobile-menu-btn { display: flex; }
  .header-cta.desktop-only { display: none; }

  .class-grid     { grid-template-columns: repeat(2, 1fr); gap: 14px; }
  .steps-grid     { grid-template-columns: 1fr; }
  .features-grid  { grid-template-columns: 1fr; }
  .options-grid   { grid-template-columns: 1fr; }
  .form-row       { grid-template-columns: 1fr; }
  .footer-grid    { grid-template-columns: 1fr 1fr; gap: 28px; }
  .footer-bottom  { flex-direction: column; text-align: center; }
  .hero           { padding: 52px 0 44px; }
  .section        { padding: 52px 0; }
  .contact-form   { padding: 24px; }
  .mission-block  { padding: 40px 24px; }
  .team-grid      { grid-template-columns: 1fr; }
  .curriculum-table { font-size: 0.85rem; }
}

@media (max-width: 480px) {
  .class-grid     { grid-template-columns: 1fr 1fr; gap: 12px; }
  .class-card     { padding: 20px 12px; }
  .footer-grid    { grid-template-columns: 1fr; }
  .hero-stats     { gap: 20px; }
}