:root {
    --color-dark: #0d102d;
    --color-darker: #070a1c;
    --color-primary: #5855ff;
    --color-primary-light: #7472ff;
    --color-highlight: #ffdd33;
    --color-light: #ffffff;
    --color-gray: #f0f0f0;
    --color-text: #333333;
    --color-text-light: #666666;
    --border-radius: 12px;
    --box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: var(--color-light);
    background-color: var(--color-dark);
    overflow-x: hidden;
}

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

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

ul {
    list-style: none;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 2.5rem;
}

p {
    margin-bottom: 1rem;
}

.highlight {
    color: var(--color-primary);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.8rem 1.5rem;
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
    border: none;
}

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

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

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

.btn-secondary:hover {
    background-color: rgba(88, 85, 255, 0.1);
    transform: translateY(-2px);
}

.btn-full {
    width: 100%;
}

.btn-center {
    display: block;
    width: max-content;
    margin: 2rem auto;
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
}

.logo-text {
    font-size: 1.8rem;
    font-weight: 700;
}

.logo-icon {
    width: 60px;
    height: 60px;
    margin-bottom: 1.5rem;
}

.logo-icon-center {
    margin: 3rem auto;
}

/* Header */
.header {
    padding: 1.5rem 0;
    position: relative;
    z-index: 100;
}

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

.nav ul {
    display: flex;
    gap: 2rem;
}

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

/* Hero Section */
.hero {
    padding: 4rem 0;
    overflow: hidden;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-title {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
}

.hero-subtitle {
    font-size: 1.8rem;
    color: var(--color-highlight);
    margin-bottom: 1.5rem;
}

.hero-text {
    margin-bottom: 2rem;
    color: rgba(255, 255, 255, 0.9);
}

/* Stats Section */
.stats {
    padding: 6rem 0;
    background-color: var(--color-darker);
}

.stats-description {
    text-align: center;
    max-width: 900px;
    margin: 0 auto 3rem;
    color: rgba(255, 255, 255, 0.9);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    margin: 3rem 0;
}

.stat-card {
    padding: 2rem;
    text-align: center;
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-5px);
    background-color: rgba(255, 255, 255, 0.08);
}

.stat-number {
    font-size: 3.5rem;
    color: var(--color-highlight);
    margin-bottom: 0.5rem;
    display: flex;
    justify-content: center;
    align-items: baseline;
}

.plus, .percent {
    font-size: 2rem;
    margin-left: 0.2rem;
}

.stat-text {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.9);
}

/* Courses Section */
.courses {
    padding: 6rem 0;
}

.courses-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: auto auto;
    gap: 2rem;
}

.course-card {
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.course-card:hover {
    transform: translateY(-5px);
    background-color: rgba(255, 255, 255, 0.08);
}

.course-image {
    height: 180px;
    overflow: hidden;
}

.course-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.course-card:hover .course-image img {
    transform: scale(1.05);
}

.course-title {
    color: var(--color-primary);
    padding: 1.5rem 1.5rem 0.5rem;
    font-size: 1.3rem;
}

.course-description {
    padding: 0 1.5rem;
    flex-grow: 1;
    color: rgba(255, 255, 255, 0.9);
}

.course-price {
    padding: 0.5rem 1.5rem;
    font-size: 1.5rem;
    font-weight: 700;
}

.course-card .btn {
    margin: 1rem 1.5rem 1.5rem;
}

.course-image-large {
    grid-column: span 1;
    grid-row: span 2;
    height: 100%;
    border-radius: var(--border-radius);
    overflow: hidden;
}

.course-image-large img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* About Us Section */
.about {
    padding: 6rem 0;
    background-color: var(--color-darker);
}

.about-container {
    text-align: center;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    text-align: left;
}

.about-text {
    display: flex;
    flex-direction: column;
}

.about-text p {
    margin-bottom: 1.5rem;
    color: rgba(255, 255, 255, 0.9);
}

.about-text .btn {
    margin-top: auto;
    align-self: flex-start;
}

.about-features {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.feature-box {
    background-color: var(--color-primary);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    transition: var(--transition);
}

.feature-box:hover {
    transform: translateY(-3px);
    background-color: var(--color-primary-light);
}

.feature-title {
    color: var(--color-light);
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.feature-text {
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.95rem;
}

.about-image {
    grid-column: 1 / -1;
    height: 300px;
    overflow: hidden;
    border-radius: var(--border-radius);
    margin-top: 2rem;
}

.about-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Contact Section */
.contact {
    padding: 6rem 0;
}

.contact-container {
    text-align: center;
}

.contact-intro {
    max-width: 700px;
    margin: 0 auto 3rem;
    color: rgba(255, 255, 255, 0.9);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 3rem;
    text-align: left;
}

.contact-image {
    height: 100%;
    border-radius: var(--border-radius);
    overflow: hidden;
}

.contact-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.contact-details {
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    margin-bottom: 2rem;
}

.contact-details p {
    margin-bottom: 0.5rem;
}

.contact-form {
    display: grid;
    gap: 1rem;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 1rem;
    border: none;
    border-radius: 6px;
    background-color: rgba(255, 255, 255, 0.05);
    color: var(--color-light);
    font-family: 'Inter', sans-serif;
    transition: var(--transition);
}

.contact-form textarea {
    min-height: 150px;
    resize: vertical;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    background-color: rgba(255, 255, 255, 0.08);
    box-shadow: 0 0 0 2px var(--color-primary);
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
    color: rgba(255, 255, 255, 0.6);
}

/* Footer */
.footer {
    padding: 3rem 0;
    background-color: var(--color-darker);
}

.footer-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.footer-logo {
    margin-bottom: 1.5rem;
}

.footer-links {
    display: flex;
    gap: 2rem;
    margin-bottom: 1.5rem;
}

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

.copyright {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.6);
}

/* Cookie Popup */
.cookie-popup {
    position: fixed;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    width: 90%;
    max-width: 500px;
    background-color: var(--color-light);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    z-index: 1000;
    display: none;
    overflow: hidden;
    border: 2px solid var(--color-highlight);
}

.cookie-popup.show {
    display: block;
    animation: slideUp 0.5s forwards;
}

.cookie-content {
    padding: 2rem;
}

.cookie-icon {
    width: 50px;
    height: 50px;
    margin: 0 auto 1rem;
}

.cookie-title {
    font-size: 1.5rem;
    color: var(--color-primary);
    text-align: center;
    margin-bottom: 1rem;
}

.cookie-text {
    color: var(--color-text);
    text-align: center;
    margin-bottom: 1.5rem;
}

.cookie-buttons {
    display: grid;
    gap: 1rem;
}

@keyframes slideUp {
    from {
        transform: translate(-50%, 100%);
        opacity: 0;
    }
    to {
        transform: translate(-50%, 0);
        opacity: 1;
    }
}

/* Responsive Design */
@media (max-width: 1200px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .courses-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .course-image-large {
        grid-column: span 2;
        height: 300px;
    }
}

@media (max-width: 992px) {
    .hero-container {
        grid-template-columns: 1fr;
    }
    
    .hero-image {
        order: -1;
        max-width: 400px;
        margin: 0 auto;
    }
    
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .contact-image {
        height: 300px;
    }
}

@media (max-width: 768px) {
    .section-title {
        font-size: 2rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .courses-grid {
        grid-template-columns: 1fr;
    }
    
    .course-image-large {
        grid-column: span 1;
        height: 250px;
    }
    
    .header-container {
        flex-direction: column;
        gap: 1rem;
    }
    
    .cookie-popup {
        width: 95%;
        bottom: 1rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .stat-number {
        font-size: 2.5rem;
    }
    
    .nav ul {
        gap: 1rem;
        font-size: 0.9rem;
    }
}

html {
    scroll-behavior: smooth;
}

.main-section {
    padding: 2rem 0;
}