/* ============================================
   UpCourses Academy - Design System & Styles
   ============================================ */

/* --- CSS Variables / Design Tokens --- */
:root {
  /* Brand Colors */
  --primary: #1E3A5F;
  --primary-light: #2A5298;
  --primary-dark: #0F1E33;
  --secondary: #F59E0B;
  --secondary-light: #FBBF24;
  --secondary-dark: #D97706;
  --accent: #10B981;
  --accent-light: #34D399;
  --accent-dark: #059669;

  /* Neutrals */
  --white: #FFFFFF;
  --gray-50: #F9FAFB;
  --gray-100: #F3F4F6;
  --gray-200: #E5E7EB;
  --gray-300: #D1D5DB;
  --gray-400: #9CA3AF;
  --gray-500: #6B7280;
  --gray-600: #4B5563;
  --gray-700: #374151;
  --gray-800: #1F2937;
  --gray-900: #111827;

  /* Semantic */
  --success: #10B981;
  --warning: #F59E0B;
  --error: #EF4444;
  --info: #3B82F6;

  /* Typography */
  --font-primary: 'Inter', 'Segoe UI', sans-serif;
  --font-heading: 'Poppins', 'Inter', sans-serif;
  --font-arabic: 'Cairo', 'Tajawal', sans-serif;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;

  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -2px rgba(0,0,0,0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -4px rgba(0,0,0,0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1), 0 8px 10px -6px rgba(0,0,0,0.1);
  --shadow-glow: 0 0 20px rgba(30,58,95,0.15);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 350ms ease;

  /* Container */
  --container-max: 1280px;
  --container-narrow: 900px;
}

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

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

body {
  font-family: var(--font-primary);
  color: var(--gray-800);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

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

ul, ol {
  list-style: none;
}

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

input, textarea, select {
  font-family: inherit;
  font-size: inherit;
}

/* --- Utility Classes --- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

.container--narrow {
  max-width: var(--container-narrow);
}

.section {
  padding: var(--space-4xl) 0;
}

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

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

.section--gradient {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: var(--white);
}

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.gap-lg { gap: var(--space-lg); }
.gap-xl { gap: var(--space-xl); }
.gap-2xl { gap: var(--space-2xl); }

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--gray-900);
}

.section--dark h1, .section--dark h2, .section--dark h3,
.section--gradient h1, .section--gradient h2, .section--gradient h3 {
  color: var(--white);
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.75rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 3vw, 1.75rem); }
h4 { font-size: 1.25rem; }

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto var(--space-3xl);
}

.section-header h2 {
  margin-bottom: var(--space-md);
}

.section-header p {
  color: var(--gray-500);
  font-size: 1.125rem;
}

.section--dark .section-header p,
.section--gradient .section-header p {
  color: rgba(255,255,255,0.8);
}

.badge {
  display: inline-block;
  padding: var(--space-xs) var(--space-md);
  background: rgba(245,158,11,0.1);
  color: var(--secondary-dark);
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-md);
}

.section--dark .badge,
.section--gradient .badge {
  background: rgba(255,255,255,0.15);
  color: var(--secondary-light);
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 0.875rem 2rem;
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.1);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.btn:hover::after {
  opacity: 1;
}

.btn--primary {
  background: var(--primary);
  color: var(--white);
  box-shadow: 0 4px 14px rgba(30,58,95,0.3);
}

.btn--primary:hover {
  background: var(--primary-light);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(30,58,95,0.4);
}

.btn--secondary {
  background: var(--secondary);
  color: var(--gray-900);
  box-shadow: 0 4px 14px rgba(245,158,11,0.3);
}

.btn--secondary:hover {
  background: var(--secondary-light);
  transform: translateY(-2px);
}

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

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

.btn--white {
  background: var(--white);
  color: var(--primary);
  box-shadow: 0 4px 14px rgba(0,0,0,0.1);
}

.btn--white:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0,0,0,0.15);
}

.btn--lg {
  padding: 1.125rem 2.5rem;
  font-size: 1.125rem;
}

.btn--sm {
  padding: 0.625rem 1.25rem;
  font-size: 0.875rem;
}

.btn--full {
  width: 100%;
}

/* --- Navigation --- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
}

.navbar {
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: all var(--transition-base);
  padding: var(--space-md) 0;
}

.navbar.scrolled {
  padding: var(--space-sm) 0;
  border-bottom-color: var(--gray-200);
  box-shadow: var(--shadow-sm);
}

.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.navbar__logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary);
}

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

.navbar__logo-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-weight: 800;
  font-size: 1.1rem;
}

.navbar__menu {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
}

.navbar__link {
  font-weight: 500;
  color: var(--gray-600);
  position: relative;
  padding: var(--space-xs) 0;
}

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

.navbar__link:hover,
.navbar__link.active {
  color: var(--primary);
}

.navbar__link:hover::after,
.navbar__link.active::after {
  width: 100%;
}

.navbar__actions {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.navbar__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-sm);
}

.navbar__toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--gray-700);
  transition: all var(--transition-base);
}

/* --- Hero Section --- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 20px;
  background: linear-gradient(135deg, #f0f4ff 0%, #e8f4f8 50%, #fff8e1 100%);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 60%;
  height: 120%;
  background: radial-gradient(ellipse, rgba(30,58,95,0.05) 0%, transparent 70%);
  pointer-events: none;
}

.hero__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4xl);
  align-items: center;
}

.hero__content {
  position: relative;
  z-index: 2;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-lg);
  background: rgba(30,58,95,0.08);
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: var(--space-xl);
}

.hero__badge i {
  color: var(--secondary);
}

.hero__title {
  margin-bottom: var(--space-lg);
  letter-spacing: -0.02em;
}

.hero__title .highlight {
  color: var(--primary-light);
  position: relative;
}

.hero__title .highlight::after {
  content: '';
  position: absolute;
  bottom: 5px;
  left: 0;
  right: 0;
  height: 12px;
  background: rgba(245,158,11,0.3);
  z-index: -1;
  border-radius: 2px;
}

.hero__desc {
  font-size: 1.2rem;
  color: var(--gray-600);
  margin-bottom: var(--space-2xl);
  max-width: 520px;
  line-height: 1.8;
}

.hero__actions {
  display: flex;
  gap: var(--space-md);
  margin-bottom: var(--space-2xl);
  flex-wrap: wrap;
}

.hero__stats {
  display: flex;
  gap: var(--space-2xl);
}

.hero__stat {
  text-align: center;
}

.hero__stat-number {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--primary);
}

.hero__stat-label {
  font-size: 0.875rem;
  color: var(--gray-500);
  margin-top: var(--space-xs);
}

.hero__visual {
  position: relative;
  z-index: 2;
}

.hero__image-wrapper {
  position: relative;
  border-radius: var(--radius-2xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

.hero__image-wrapper img {
  width: 100%;
  height: 500px;
  object-fit: cover;
}

.hero__image-placeholder {
  width: 100%;
  height: 500px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 4rem;
  border-radius: var(--radius-2xl);
  position: relative;
  overflow: hidden;
}

.hero__image-placeholder::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.hero__image-placeholder i {
  font-size: 5rem;
  margin-bottom: var(--space-md);
  opacity: 0.9;
}

.hero__image-placeholder span {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  opacity: 0.9;
}

.hero__float-card {
  position: absolute;
  background: var(--white);
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: var(--space-md);
  animation: float 3s ease-in-out infinite;
}

.hero__float-card--1 {
  top: 10%;
  right: -30px;
  animation-delay: 0s;
}

.hero__float-card--2 {
  bottom: 15%;
  left: -20px;
  animation-delay: 1.5s;
}

.hero__float-card i {
  font-size: 1.5rem;
  color: var(--primary);
}

.hero__float-card .number {
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--gray-900);
}

.hero__float-card .label {
  font-size: 0.75rem;
  color: var(--gray-500);
}

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

/* --- Features Section --- */
.features__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-xl);
}

.feature-card {
  background: var(--white);
  padding: var(--space-2xl);
  border-radius: var(--radius-xl);
  border: 1px solid var(--gray-200);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  transform: scaleX(0);
  transition: transform var(--transition-base);
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.feature-card:hover::before {
  transform: scaleX(1);
}

.feature-card__icon {
  width: 60px;
  height: 60px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: var(--space-lg);
}

.feature-card__icon--blue {
  background: rgba(30,58,95,0.1);
  color: var(--primary);
}

.feature-card__icon--yellow {
  background: rgba(245,158,11,0.1);
  color: var(--secondary-dark);
}

.feature-card__icon--green {
  background: rgba(16,185,129,0.1);
  color: var(--accent);
}

.feature-card__icon--purple {
  background: rgba(139,92,246,0.1);
  color: #8B5CF6;
}

.feature-card h3 {
  margin-bottom: var(--space-sm);
  font-size: 1.25rem;
}

.feature-card p {
  color: var(--gray-500);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* --- Courses Section --- */
.courses__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--space-xl);
}

.course-card {
  background: var(--white);
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--gray-200);
  transition: all var(--transition-base);
}

.course-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
}

.course-card__image {
  height: 200px;
  position: relative;
  overflow: hidden;
}

.course-card__image-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  color: var(--white);
}

.course-card__level {
  position: absolute;
  top: var(--space-md);
  left: var(--space-md);
  padding: var(--space-xs) var(--space-md);
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--white);
}

.level--beginner { background: var(--accent); }
.level--intermediate { background: var(--info); }
.level--advanced { background: #8B5CF6; }
.level--kids { background: #EC4899; }
.level--business { background: var(--primary); }
.level--ielts { background: var(--secondary-dark); }

.course-card__body {
  padding: var(--space-xl);
}

.course-card__title {
  font-size: 1.2rem;
  margin-bottom: var(--space-sm);
}

.course-card__desc {
  color: var(--gray-500);
  font-size: 0.9rem;
  margin-bottom: var(--space-lg);
  line-height: 1.6;
}

.course-card__meta {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid var(--gray-100);
}

.course-card__meta-item {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: 0.85rem;
  color: var(--gray-500);
}

.course-card__meta-item i {
  color: var(--primary);
}

.course-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.course-card__price {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary);
}

.course-card__price small {
  font-size: 0.8rem;
  font-weight: 400;
  color: var(--gray-400);
}

/* --- Levels / Learning Path --- */
.path__timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
}

.path__timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(to bottom, var(--primary), var(--secondary), var(--accent));
  transform: translateX(-50%);
}

.path__item {
  display: flex;
  align-items: center;
  margin-bottom: var(--space-2xl);
  position: relative;
}

.path__item:nth-child(odd) {
  flex-direction: row;
  padding-right: calc(50% + 40px);
  text-align: right;
}

.path__item:nth-child(even) {
  flex-direction: row-reverse;
  padding-left: calc(50% + 40px);
}

.path__dot {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--primary);
  border: 4px solid var(--white);
  box-shadow: var(--shadow-md);
  z-index: 2;
}

.path__content {
  background: var(--white);
  padding: var(--space-xl);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--gray-100);
}

.path__content h3 {
  color: var(--primary);
  margin-bottom: var(--space-sm);
}

.path__content p {
  color: var(--gray-500);
  font-size: 0.9rem;
}

/* --- Testimonials --- */
.testimonials__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--space-xl);
}

.testimonial-card {
  background: var(--white);
  padding: var(--space-2xl);
  border-radius: var(--radius-xl);
  border: 1px solid var(--gray-200);
  position: relative;
  transition: all var(--transition-base);
}

.testimonial-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
}

.testimonial-card__quote {
  font-size: 2.5rem;
  color: var(--secondary);
  font-family: serif;
  line-height: 1;
  margin-bottom: var(--space-md);
}

.testimonial-card__text {
  color: var(--gray-600);
  font-size: 1rem;
  line-height: 1.8;
  margin-bottom: var(--space-xl);
  font-style: italic;
}

.testimonial-card__author {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.testimonial-card__avatar {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-weight: 700;
  font-size: 1.1rem;
}

.testimonial-card__name {
  font-weight: 600;
  color: var(--gray-800);
}

.testimonial-card__role {
  font-size: 0.85rem;
  color: var(--gray-400);
}

.testimonial-card__stars {
  color: var(--secondary);
  margin-bottom: var(--space-md);
}

/* --- Pricing Section --- */
.pricing__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-xl);
  align-items: start;
}

.pricing-card {
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  border: 2px solid var(--gray-200);
  text-align: center;
  transition: all var(--transition-base);
  position: relative;
}

.pricing-card--featured {
  border-color: var(--primary);
  transform: scale(1.05);
  box-shadow: var(--shadow-xl);
}

.pricing-card--featured .pricing-card__badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--primary);
  color: var(--white);
  padding: var(--space-xs) var(--space-lg);
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 700;
  white-space: nowrap;
}

.pricing-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-xl);
}

.pricing-card__name {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--gray-800);
  margin-bottom: var(--space-sm);
}

.pricing-card__desc {
  color: var(--gray-500);
  font-size: 0.9rem;
  margin-bottom: var(--space-xl);
}

.pricing-card__price {
  font-family: var(--font-heading);
  font-size: 3rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: var(--space-xs);
}

.pricing-card__price small {
  font-size: 1rem;
  font-weight: 400;
  color: var(--gray-400);
}

.pricing-card__period {
  color: var(--gray-400);
  font-size: 0.85rem;
  margin-bottom: var(--space-xl);
}

.pricing-card__features {
  text-align: left;
  margin-bottom: var(--space-xl);
}

.pricing-card__features li {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) 0;
  color: var(--gray-600);
  font-size: 0.95rem;
}

.pricing-card__features li i {
  color: var(--accent);
  font-size: 0.85rem;
}

/* --- CTA Section --- */
.cta {
  padding: var(--space-4xl) 0;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 50%, #1a4a7a 100%);
  color: var(--white);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='100' height='100' viewBox='0 0 100 100' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M11 18c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm48 25c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm-43-7c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm63 31c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3z' fill='%23ffffff' fill-opacity='0.03'/%3E%3C/svg%3E");
  pointer-events: none;
}

.cta h2 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  margin-bottom: var(--space-md);
  color: var(--white);
}

.cta p {
  font-size: 1.15rem;
  opacity: 0.85;
  margin-bottom: var(--space-2xl);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.cta__actions {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  flex-wrap: wrap;
}

/* --- Partners / Trusted By --- */
.partners {
  padding: var(--space-2xl) 0;
  border-top: 1px solid var(--gray-100);
  border-bottom: 1px solid var(--gray-100);
}

.partners__logos {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3xl);
  flex-wrap: wrap;
  opacity: 0.4;
}

.partners__logo {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--gray-500);
}

/* --- Dashboard Preview --- */
.dashboard-preview {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-xl);
}

.dashboard-card {
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  border: 1px solid var(--gray-200);
  text-align: center;
  transition: all var(--transition-base);
}

.dashboard-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-lg);
  transform: translateY(-5px);
}

.dashboard-card__icon {
  width: 80px;
  height: 80px;
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  margin: 0 auto var(--space-lg);
}

.dashboard-card__icon--student {
  background: linear-gradient(135deg, #3B82F6, #60A5FA);
  color: var(--white);
}

.dashboard-card__icon--parent {
  background: linear-gradient(135deg, #10B981, #34D399);
  color: var(--white);
}

.dashboard-card__icon--teacher {
  background: linear-gradient(135deg, #8B5CF6, #A78BFA);
  color: var(--white);
}

.dashboard-card__icon--admin {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: var(--white);
}

.dashboard-card h3 {
  margin-bottom: var(--space-sm);
}

.dashboard-card p {
  color: var(--gray-500);
  font-size: 0.9rem;
  margin-bottom: var(--space-lg);
}

.dashboard-card__features {
  text-align: left;
}

.dashboard-card__features li {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-xs) 0;
  font-size: 0.85rem;
  color: var(--gray-600);
}

.dashboard-card__features li i {
  color: var(--accent);
  font-size: 0.75rem;
}

/* --- FAQ Section --- */
.faq__list {
  max-width: 800px;
  margin: 0 auto;
}

.faq__item {
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-md);
  overflow: hidden;
  transition: all var(--transition-base);
}

.faq__item.active {
  border-color: var(--primary);
  box-shadow: var(--shadow-md);
}

.faq__question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-lg) var(--space-xl);
  cursor: pointer;
  font-weight: 600;
  color: var(--gray-800);
  width: 100%;
  text-align: left;
  font-size: 1rem;
  background: var(--white);
}

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

.faq__question i {
  transition: transform var(--transition-base);
  color: var(--gray-400);
}

.faq__item.active .faq__question i {
  transform: rotate(180deg);
  color: var(--primary);
}

.faq__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow);
}

.faq__answer-inner {
  padding: 0 var(--space-xl) var(--space-xl);
  color: var(--gray-600);
  line-height: 1.8;
}

.faq__item.active .faq__answer {
  max-height: 300px;
}

/* --- Footer --- */
.footer {
  background: var(--gray-900);
  color: var(--gray-400);
  padding: var(--space-4xl) 0 var(--space-xl);
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-2xl);
  margin-bottom: var(--space-3xl);
}

.footer__brand {
  max-width: 300px;
}

.footer__logo {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--white);
  margin-bottom: var(--space-md);
}

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

.footer__desc {
  font-size: 0.9rem;
  line-height: 1.7;
  margin-bottom: var(--space-lg);
}

.footer__social {
  display: flex;
  gap: var(--space-md);
}

.footer__social a {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--gray-800);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-400);
  transition: all var(--transition-base);
}

.footer__social a:hover {
  background: var(--primary);
  color: var(--white);
}

.footer__col h4 {
  color: var(--white);
  font-size: 1rem;
  margin-bottom: var(--space-lg);
}

.footer__col ul li {
  margin-bottom: var(--space-sm);
}

.footer__col ul li a {
  font-size: 0.9rem;
  transition: all var(--transition-fast);
}

.footer__col ul li a:hover {
  color: var(--white);
  padding-left: 5px;
}

.footer__bottom {
  border-top: 1px solid var(--gray-800);
  padding-top: var(--space-xl);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-md);
  font-size: 0.85rem;
}

/* --- Forms --- */
.form-group {
  margin-bottom: var(--space-lg);
}

.form-label {
  display: block;
  font-weight: 600;
  margin-bottom: var(--space-sm);
  color: var(--gray-700);
  font-size: 0.9rem;
}

.form-input {
  width: 100%;
  padding: 0.875rem var(--space-lg);
  border: 2px solid var(--gray-200);
  border-radius: var(--radius-lg);
  font-size: 1rem;
  transition: all var(--transition-fast);
  background: var(--white);
}

.form-input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(30,58,95,0.1);
}

.form-input::placeholder {
  color: var(--gray-400);
}

textarea.form-input {
  min-height: 140px;
  resize: vertical;
}

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%236B7280' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}

/* --- Contact Page --- */
.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
}

.contact-info__item {
  display: flex;
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
}

.contact-info__icon {
  width: 50px;
  height: 50px;
  border-radius: var(--radius-lg);
  background: rgba(30,58,95,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 1.25rem;
  flex-shrink: 0;
}

.contact-info__text h4 {
  margin-bottom: var(--space-xs);
}

.contact-info__text p {
  color: var(--gray-500);
  font-size: 0.9rem;
}

/* --- About Page --- */
.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
}

.about__image-placeholder {
  width: 100%;
  height: 400px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  border-radius: var(--radius-2xl);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 4rem;
}

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

.stat-card {
  text-align: center;
  padding: var(--space-2xl);
  background: var(--white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
}

.stat-card__number {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: var(--space-xs);
}

.stat-card__label {
  color: var(--gray-500);
  font-size: 0.9rem;
}

/* --- Animations --- */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

.slide-in-left {
  opacity: 0;
  transform: translateX(-50px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.slide-in-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.slide-in-right {
  opacity: 0;
  transform: translateX(50px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.slide-in-right.visible {
  opacity: 1;
  transform: translateX(0);
}

/* --- Back to Top --- */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 50px;
  height: 50px;
  background: var(--primary);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
  z-index: 999;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  background: var(--primary-light);
  transform: translateY(-3px);
}

/* --- Cookie Banner --- */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--gray-900);
  color: var(--gray-300);
  padding: var(--space-lg) var(--space-xl);
  display: none;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-xl);
  z-index: 9999;
  box-shadow: 0 -4px 20px rgba(0,0,0,0.2);
}

.cookie-banner.show {
  display: flex;
}

.cookie-banner p {
  font-size: 0.9rem;
}

.cookie-banner__actions {
  display: flex;
  gap: var(--space-md);
  flex-shrink: 0;
}

/* --- Responsive --- */
@media (max-width: 1024px) {
  .hero__grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero__desc {
    margin-left: auto;
    margin-right: auto;
  }
  .hero__actions {
    justify-content: center;
  }
  .hero__stats {
    justify-content: center;
  }
  .hero__visual {
    max-width: 500px;
    margin: 0 auto;
  }
  .footer__grid {
    grid-template-columns: 1fr 1fr;
  }
  .path__timeline::before {
    left: 20px;
  }
  .path__item:nth-child(odd),
  .path__item:nth-child(even) {
    padding-right: 0;
    padding-left: 60px;
    text-align: left;
    flex-direction: row;
  }
  .path__dot {
    left: 20px;
  }
  .about__grid,
  .contact__grid {
    grid-template-columns: 1fr;
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .navbar__menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: var(--white);
    flex-direction: column;
    align-items: flex-start;
    padding: var(--space-4xl) var(--space-xl);
    box-shadow: var(--shadow-xl);
    transition: right var(--transition-base);
    z-index: 1001;
  }
  .navbar__menu.open {
    right: 0;
  }
  .navbar__toggle {
    display: flex;
    z-index: 1002;
  }
  .navbar__toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }
  .navbar__toggle.active span:nth-child(2) {
    opacity: 0;
  }
  .navbar__toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }
  .navbar__actions .btn--outline {
    display: none;
  }
  .hero {
    min-height: auto;
    padding: 120px 0 60px;
  }
  .hero__float-card {
    display: none;
  }
  .courses__grid {
    grid-template-columns: 1fr;
  }
  .pricing-card--featured {
    transform: none;
  }
  .testimonials__grid {
    grid-template-columns: 1fr;
  }
  .footer__grid {
    grid-template-columns: 1fr;
  }
  .footer__bottom {
    flex-direction: column;
    text-align: center;
  }
  .cookie-banner {
    flex-direction: column;
    text-align: center;
  }
  .dashboard-preview {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .hero__stats {
    flex-direction: column;
    gap: var(--space-lg);
  }
  .stats-grid {
    grid-template-columns: 1fr;
  }
  .btn--lg {
    width: 100%;
  }
}

/* --- Menu Overlay --- */
.menu-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}

.menu-overlay.active {
  opacity: 1;
  visibility: visible;
}

/* --- Scrollbar --- */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--gray-100);
}

::-webkit-scrollbar-thumb {
  background: var(--gray-400);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--gray-500);
}

/* --- Selection --- */
::selection {
  background: var(--primary);
  color: var(--white);
}

/* --- Page Header (inner pages) --- */
.page-header {
  padding: 60px 0 60px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: var(--white);
  text-align: center;
}

.page-header h1 {
  color: var(--white);
  margin-bottom: var(--space-md);
}

.page-header p {
  opacity: 0.8;
  font-size: 1.15rem;
  max-width: 600px;
  margin: 0 auto;
}

.breadcrumb {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
  font-size: 0.9rem;
  opacity: 0.7;
}

.breadcrumb a:hover {
  opacity: 1;
}

/* --- WhatsApp Float Button --- */
.whatsapp-float {
  position: fixed;
  bottom: 30px;
  left: 30px;
  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: 0 4px 15px rgba(37,211,102,0.4);
  z-index: 999;
  transition: all var(--transition-base);
  animation: pulse-whatsapp 2s infinite;
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 20px rgba(37,211,102,0.5);
}

@keyframes pulse-whatsapp {
  0%, 100% { box-shadow: 0 4px 15px rgba(37,211,102,0.4); }
  50% { box-shadow: 0 4px 25px rgba(37,211,102,0.6); }
}

/* --- Notification Bar --- */
.notification-bar {
  background: linear-gradient(90deg, var(--secondary), var(--secondary-dark));
  color: var(--gray-900);
  padding: var(--space-sm) var(--space-xl);
  text-align: center;
  font-size: 0.85rem;
  font-weight: 600;
  position: relative;
  z-index: 999;
}

.notification-bar a {
  text-decoration: underline;
  font-weight: 700;
}

.notification-bar__close {
  position: absolute;
  right: var(--space-lg);
  top: 50%;
  transform: translateY(-50%);
  background: none;
  color: var(--gray-900);
  font-size: 1.1rem;
  opacity: 0.6;
}

.notification-bar__close:hover {
  opacity: 1;
}