/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Utility Classes */
.gradient-text {
    background: linear-gradient(to right, #01b7ff, #e3f300);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    border-radius: 12px;
    font-weight: 600;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 16px;
}

.btn-primary {
    background: linear-gradient(to right, #01b7ff, #e3f300);
    color: black;
}

.btn-primary:hover {
    background: linear-gradient(to right, #01b7ff, #e3f300);
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    border: 2px solid #d1d5db;
    color: #374151;
}

.btn-outline:hover {
    background: #f9fafb;
}

.btn-secondary {
    background: white;
    color: #01b7ff;
}

.btn-secondary:hover {
    background: #f3f4f6;
}

.btn-large {
    padding: 16px 32px;
    font-size: 18px;
}

.btn-full {
    width: 100%;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid #e5e7eb;
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    width: 55px;
    height: 51px;
    background: linear-gradient(to right, #01b7ff, #e3f300);
    border-radius: 12px;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    color: black;
    font-weight: bold;
    font-size: 18px;
}

.logo-text h1 {
    font-size: 20px;
    font-weight: bold;
    color: #111827;
    margin: 0;
}

.logo-text p {
    font-size: 12px;
    color: #6b7280;
    margin: 0;
}

.nav-desktop {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-link {
    color: #374151;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: #01b7ff;
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    border-radius: 8px;
}

.mobile-menu-btn:hover {
    background: #f3f4f6;
}

.hamburger {
    width: 24px;
    height: 3px;
    background: #374151;
    border-radius: 2px;
    transition: all 0.3s ease;
}

.nav-mobile {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: white;
    border-bottom: 1px solid #e5e7eb;
    padding: 16px 20px;
    flex-direction: column;
    gap: 16px;
}

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

/* Hero Section */
.hero {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, #faf5ff 0%, #fdf2f8 50%, #fef3e2 100%);
    position: relative;
    overflow: hidden;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: #f3e8ff;
    color: #01b7ff;
    padding: 8px 16px;
    border-radius: 24px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 24px;
}

.hero-title {
    font-size: 48px;
    font-weight: 800;
    color: #111827;
    line-height: 1.1;
    margin-bottom: 24px;
}

.hero-description {
    font-size: 20px;
    color: #6b7280;
    line-height: 1.6;
    margin-bottom: 32px;
}

.hero-stats {
    display: flex;
    gap: 32px;
    margin-bottom: 32px;
}

.stat {
    text-align: center;
}

.stat-number {
    font-size: 24px;
    font-weight: bold;
    color: #111827;
}

.stat-label {
    font-size: 14px;
    color: #6b7280;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    margin-bottom: 32px;
}

.social-proof {
    display: flex;
    align-items: center;
    gap: 16px;
    padding-top: 32px;
    border-top: 1px solid #e5e7eb;
}

.avatars {
    display: flex;
    gap: -8px;
    color: black;
}

.avatar {
    width: 40px;
    height: 40px;
    background: linear-gradient(to right, #01b7ff, #e3f300);
    border-radius: 50%;
    border: 2px solid white;
    display: flex;
    align-items: center;
    justify-content: center;
    color: black;
    font-size: 14px;
    font-weight: 600;
    margin-left: -8px;
}

.avatar:first-child {
    margin-left: 0;
}

.social-number {
    font-weight: 600;
    color: #111827;
}

.social-label {
    font-size: 14px;
    color: #6b7280;
}

/* Контейнер блоку (праворуч) */
.hero-right {
  padding: 0;
  display: flex;
  justify-content: flex-end; /* щоб картинка тягнулася вправо */
}

/* Контейнер зображення */
.hero-image {
  position: relative;
  display: inline-block;
  width: 100%;
  max-width: 640px; /* можна підлаштувати */
  margin: 0;
  border-radius: 16px;
}

/* Внутрішній контейнер для обрізання картинки */
.hero-image-inner {
  overflow: hidden;
  border-radius: 16px;
  transition: box-shadow 0.6s ease;
  padding: 0;
}

/* Зображення */
.hero-image-inner img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 16px;
  box-shadow: 0 25px 50px -12px rgba(21, 255, 0, 0.25);
  transition: transform 0.6s ease, filter 0.6s ease, box-shadow 0.6s ease;
}

/* Ефект наведення */
.hero-image:hover .hero-image-inner img {
  transform: scale(1.05);
  filter: brightness(1.1);
  box-shadow: 0 30px 60px -15px rgba(0, 255, 100, 0.35);
}

/* Плаваючі елементи (завжди поверх картинки) */
.floating-element {
  position: absolute;
  z-index: 3;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: #fff;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

/* Правий верхній елемент */
.floating-3d {
  top: -16px;
  right: -16px;
  width: 80px;
  height: 80px;
  border-radius: 15px;
  background: linear-gradient(90deg, #01b7ff, #e3f300);
}

.floating-3d img {
  width: 90%;
  height: 90%;
  object-fit: contain;
}

/* Лівий нижній елемент */
.floating-users {
  bottom: -16px;
  left: -16px;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: #04fd19;
  font-size: 24px;
}

/* --- Додатково для стабільності --- */

/* Щоб не займало зайвого місця знизу */
.hero-image img {
  display: block;
}

/* Адаптивне співвідношення */
.hero-image-inner {
  aspect-ratio: 16 / 6;
}

/* Тінь для всього контейнера */
.hero-image {
  filter: drop-shadow(0 10px 20px rgba(0, 0, 0, 0.1));
}


/* Section Styles */
.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-header h2 {
    font-size: 40px;
    font-weight: bold;
    color: #111827;
    margin-bottom: 16px;
}
.logos {
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
}
.footer-logos {
    font-size: 20px;
    color: white;
    margin: 0;
    text-decoration: none;
}
.header-logos {
    font-size: 20px;
    color: white;
    margin: 0;
    text-decoration: none;
}
.section-header p {
    font-size: 20px;
    color: #6b7280;
    max-width: 800px;
    margin: 0 auto;
}

/* About Section */
.about {
    padding: 80px 0;
    background: white;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
    margin-bottom: 64px;
}

/* >=1024px — рівно 3 колонки */
@media (min-width: 1024px) {
  .features-grid {
    display: block;
  }
}

/* >=1440px — останній елемент по центру, тільки коли він «самотній» (позиція 3n+1) */
@media (min-width: 1440px) {
  .features-grid {
    display: block;
  }

  /* Центруємо ЛИШЕ якщо останній елемент припадає на першу колонку нового ряду
     (тобто 4-й, 7-й, 10-й, ...) */
  .features-grid > .feature-card:last-child:nth-child(3n+1) {
    grid-column: 2; /* ставимо в середню колонку */
  }
}

.feature-card {
    text-align: center;
    padding: 32px 24px;
    border-radius: 16px;
    background: linear-gradient(135deg, #f9fafb 0%, #f3f4f6 100%);
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    font-size: 48px;
    margin-bottom: 16px;
}

.feature-card h3 {
    font-size: 18px;
    font-weight: 600;
    color: #111827;
    margin-bottom: 8px;
}

.feature-card p {
    color: #6b7280;
    font-size: 14px;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
}

.about-left h3 {
    font-size: 30px;
    font-weight: bold;
    color: #111827;
    margin-bottom: 24px;
    text-align: -webkit-center;
}

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

.benefits-list li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 16px;
    color: #374151;
}

.check {
    width: 24px;
    height: 24px;
    background: linear-gradient(to right, #10b981, #059669);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 12px;
    flex-shrink: 0;
    margin-top: 2px;
}

.about-right {
  position: relative;
  display: inline-block;
  overflow: hidden;
  border-radius: 16px;
}

.about-right img {
  width: 100%;
  height: auto;
  border-radius: 16px;
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
  object-fit: cover;
  transition: transform 0.6s ease, filter 0.6s ease, box-shadow 0.6s ease;
}

/* Ефект при наведенні */
.about-right:hover img {
  transform: scale(1.05);
  filter: brightness(1.1);
  box-shadow: 0 30px 60px -15px rgba(0, 255, 100, 0.35);
}

/* Легкий ефект при натисканні */
.about-right:active img {
  transform: scale(1.02);
  transition: transform 0.2s ease;
}

/* Modules Section */
.modules {
    padding: 80px 0;
    background: linear-gradient(135deg, #f9fafb 0%, #f3f4f6 100%);
}

.modules-grid {
    display: grid;
    gap: 32px;
}

.module-card {
    background: white;
    border-radius: 24px;
    padding: 32px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.module-card:hover {
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
}

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

.module-number {
    width: 64px;
    height: 64px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 24px;
    font-weight: bold;
    flex-shrink: 0;
}

.module-1 { background: linear-gradient(to right, #8b5cf6, #7c3aed); }
.module-2 { background: linear-gradient(to right, #ec4899, #db2777); }
.module-3 { background: linear-gradient(to right, #f59e0b, #d97706); }
.module-4 { background: linear-gradient(to right, #3b82f6, #2563eb); }

.module-info h3 {
    font-size: 24px;
    font-weight: bold;
    color: #111827;
    margin-bottom: 8px;
}

.module-meta {
    display: flex;
    gap: 16px;
    color: #6b7280;
    font-size: 14px;
}

.module-topics {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 16px;
}

.topic {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 12px;
    border-radius: 8px;
    transition: background-color 0.3s ease;
    font-size: 14px;
    color: #374151;
}

.topic:hover {
    background: #f9fafb;
}

.final-project {
    text-align: center;
    margin-top: 48px;
}

.final-project span {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(to right, #f3e8ff, #fce7f3);
    color: #01b7ff;
    padding: 12px 24px;
    border-radius: 24px;
    font-weight: 600;
}

/* Benefits Section */
.benefits {
    padding: 80px 0;
    background: white;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 24px;
    margin-bottom: 64px;
}

.stat-card {
    text-align: center;
    padding: 24px;
    border-radius: 16px;
    background: linear-gradient(135deg, #f9fafb 0%, #f3f4f6 100%);
}

.stat-card .stat-number {
    font-size: 30px;
    font-weight: bold;
    margin-bottom: 8px;
}

.stat-card .stat-label {
    color: #6b7280;
    font-weight: 600;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
    margin-bottom: 64px;
}

.benefit-card {
    padding: 32px;
    border-radius: 16px;
    background: linear-gradient(135deg, #f9fafb 0%, #f3f4f6 100%);
    transition: all 0.3s ease;
}

.benefit-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.benefit-icon {
    font-size: 48px;
    margin-bottom: 24px;
    text-align: -webkit-center;
}

.benefit-card h3 {
    font-size: 20px;
    font-weight: bold;
    color: #111827;
    margin-bottom: 12px;
    text-align: -webkit-center;
}

.benefit-card p {
    color: #6b7280;
    line-height: 1.6;
    text-align: -webkit-center;
}

.testimonials {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
  overflow: hidden;
}

.testimonial {
  background: linear-gradient(to right, #01b7ff, #e3f300);
  border-radius: 24px;
  padding: 48px;
  text-align: center;
  color: black;
  display: none;
  margin-right: 5px;
  margin-left: 5px;
  animation: fadeIn 0.8s ease;
}

.testimonial.active {
  display: block;
}

.quote {
  font-size: 96px;
  opacity: 0.2;
  line-height: 1;
  margin-bottom: 16px;
}

.testimonial blockquote {
  font-size: 20px;
  line-height: 1.6;
  margin-bottom: 24px;
  font-style: italic;
}

.testimonial-author {
  font-weight: 600;
}

/* Навігаційні точки */
.dots {
  text-align: center;
  margin-top: 20px;
}

.dot {
  display: inline-block;
  width: 12px;
  height: 12px;
  margin: 0 6px;
  background-color: rgba(0, 0, 0, 0.3);
  border-radius: 50%;
  cursor: pointer;
  transition: background-color 0.3s;
}

.dot.active {
  background-color: rgba(0, 0, 0, 0.8);
}

/* Анімація плавної появи */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(15px); }
  to { opacity: 1; transform: translateY(0); }
}
/* Pricing Section */
.pricing {
    padding: 80px 0;
    background: linear-gradient(135deg, #f9fafb 0%, #f3f4f6 100%);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
    margin-bottom: 48px;
}

.pricing-card {
    background: white;
    border-radius: 24px;
    padding: 32px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    position: relative;
}

.pricing-card:hover {
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
}

.pricing-popular {
    background: linear-gradient(135deg, #01b7ff, #e3f300);
    color: black;
    transform: scale(1.05);
}

.popular-badge {
    position: absolute;
    top: -16px;
    left: 50%;
    transform: translateX(-50%);
    background: #f59e0b;
    color: black;
    padding: 8px 16px;
    border-radius: 24px;
    font-size: 14px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 4px;
}

.pricing-header {
    text-align: center;
    margin-bottom: 32px;
}

.pricing-header h3 {
    font-size: 24px;
    font-weight: bold;
    margin-bottom: 16px;
}

.price {
    margin-bottom: 8px;
}

.price-main {
    font-size: 36px;
    font-weight: bold;
}

.price-old {
    font-size: 18px;
    text-decoration: line-through;
    opacity: 0.6;
    margin-left: 8px;
}

.duration {
    font-size: 14px;
    opacity: 0.8;
}

.features-list {
    list-style: none;
    padding: 0;
    margin-bottom: 32px;
}

.features-list li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 12px;
    font-size: 14px;
}

.pricing-popular .features-list li {
    color: black;
}

.pricing-popular .check {
    background: white;
    color: #01b7ff;
}

.pricing-btn {
    width: 100%;
}

.discount-banner {
    text-align: center;
}

.discount-banner span {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: #dcfce7;
    color: #166534;
    padding: 12px 24px;
    border-radius: 24px;
    font-weight: 600;
}

/* Contact Section */
.contact {
    padding: 80px 0;
    background: white;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    max-width: 1000px;
    margin: 0 auto;
}

.contact-form-wrapper {
    background: linear-gradient(135deg, #f9fafb 0%, #f3f4f6 100%);
    border-radius: 24px;
    padding: 32px;
}

.contact-form-info {
    background: linear-gradient(135deg, #f9fafb 0%, #f3f4f6 100%);
    border-radius: 24px;
    padding: 32px;
}

.contact-form-wrapper h3 {
    font-size: 24px;
    font-weight: bold;
    color: #111827;
    margin-bottom: 24px;
}

.contact-form-info h3 {
    font-size: 24px;
    font-weight: bold;
    color: #111827;
    margin-bottom: 24px;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 14px;
    font-weight: 600;
    color: #374151;
}

.form-group input,
.form-group select {
    padding: 12px 16px;
    border: 1px solid #d1d5db;
    border-radius: 8px;
    font-size: 16px;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: #01b7ff;
    box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.1);
}

.contact-info h3 {
    font-size: 24px;
    font-weight: bold;
    color: #111827;
    margin-bottom: 24px;
}

.contact-items {
    display: flex;
    flex-direction: column;
    gap: 24px;
    margin-bottom: 32px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 16px;
}

.contact-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    flex-shrink: 0;
}

.contact-phone { background: linear-gradient(to right, #10b981, #059669); }
.contact-email { background: linear-gradient(to right, #3b82f6, #2563eb); }
.contact-telegram { background: linear-gradient(to right, #8b5cf6, #7c3aed); }
.contact-location { background: linear-gradient(to right, #f59e0b, #d97706); }

.contact-title {
    font-weight: 600;
    color: #111827;
}

.contact-value {
    color: #6b7280;
}

.consultation-card {
    background: linear-gradient(to right, #01b7ff, #e3f300);
    border-radius: 16px;
    padding: 24px;
    color: black;
}

.consultation-card h4 {
    font-size: 18px;
    font-weight: bold;
    margin-bottom: 8px;
}

.consultation-card p {
    opacity: 0.9;
    margin-bottom: 16px;
    font-size: 14px;
}

/* Footer */
.footer {
    background: #111827;
    color: white;
    padding: 64px 0 0;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 32px;
}

.footer-main .footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.footer-logo .logo-text h3 {
    font-size: 20px;
    color: white;
    margin: 0;
}

.footer-logo .logo-text p {
    font-size: 12px;
    color: #9ca3af;
    margin: 0;
}

.footer-description {
    color: #d1d5db;
    line-height: 1.6;
    margin-bottom: 24px;
}

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

.social-link {
    width: 40px;
    height: 40px;
    background: #374151;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: background-color 0.3s ease;
    font-size: 20px;
}

.social-link:hover {
    background: linear-gradient(to right, #01b7ff, #e3f300);
}
/* === Success popup === */
.success-popup {
  position: fixed;
  top: 50%;
  left: 100%;                 /* стартує за правим краєм */
  transform: translateY(-50%);
  background: #ffffff;
  color: #0f5132;
  border: 2px solid #198754;
  border-radius: 12px;
  padding: 20px 30px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
  z-index: 9999;
  opacity: 0;
  pointer-events: none;       /* щоб не ловив кліки */
  transition: left .7s cubic-bezier(0.4,0,0.2,1), 
  transform .7s cubic-bezier(0.4,0,0.2,1),
  opacity .7s cubic-bezier(0.4,0,0.2,1);
  text-align: center;
  font-weight: 600;
  max-width: 320px;
}

.success-popup__icon {
  font-size: 32px;
  display: block;
  margin-bottom: 8px;
  color: #0f5132;
}

/* коли показуємо (в центрі) */
.success-popup.show {
  left: 50%;
  transform: translate(-50%, -50%);
  opacity: 1;
}

/* коли зникає (їде за лівий край) */
.success-popup.hide {
  left: -100%;
  opacity: 0;
}
.footer-section h4 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 16px;
}

.footer-links {
    list-style: none;
    padding: 0;
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: #d1d5db;
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.footer-contacts p {
    color: #d1d5db;
    margin-bottom: 8px;
}

.footer-bottom {
    border-top: 1px solid #374151;
    padding: 32px 0;
}

.footer-bottom-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: #9ca3af;
    font-size: 14px;
}

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

.footer-legal a {
    color: #9ca3af;
    text-decoration: none;
    transition: color 0.3s ease;
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .nav-desktop {
        display: none;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .hero-content {
        grid-template-columns: 1fr;
        gap: 32px;
        text-align: center;
    }

    .hero-title {
        font-size: 36px;
    }

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

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

    .about-content {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .contact-content {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .footer-bottom-content {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }

    .section-header h2 {
        font-size: 32px;
    }

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

    .pricing-popular {
        transform: none;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

    .hero {
        padding: 100px 0 60px;
    }

    .hero-title {
        font-size: 28px;
    }

    .hero-description {
        font-size: 18px;
    }

    .section-header h2 {
        font-size: 28px;
    }

    .module-header {
        flex-direction: column;
        text-align: center;
        gap: 16px;
    }

    .module-topics {
        grid-template-columns: 1fr;
    }

    .features-grid,
    .benefits-grid {
        grid-template-columns: 1fr;
    }
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

/* Animation Classes */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* Loading States */
.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn:disabled:hover {
    transform: none;
}