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

:root {
    --primary-color: #3b82f6;
    --secondary-color: #06b6d4;
    --accent-color: #22d3ee;
    --dark-bg: #0a0e27;
    --light-bg: #1a1f3a;
    --border-color: #2d3748;
    --text-dark: #e8eef7;
    --text-light: #b0b8cc;
    --success-color: #00d084;
    --danger-color: #ff4757;
    --card-bg: #111827;
    --gradient-dark: #0f172a;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--dark-bg);
}

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

html {
    scroll-behavior: smooth;
}

/* ================== Navbar ================== */
.navbar {
    background: linear-gradient(135deg, var(--dark-bg) 0%, #0f172a 100%);
    padding: 1.2rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.8);
    border-bottom: 1px solid var(--border-color);
}

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

.logo {
    font-size: 1.8rem;
    font-weight: 900;
    color: var(--primary-color);
    letter-spacing: 2px;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-links a {
    color: white;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    position: relative;
    padding-bottom: 5px;
}

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

.nav-links a.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--primary-color);
}

.admin-btn {
    background: var(--primary-color) !important;
    padding: 8px 16px !important;
    border-radius: 5px;
    color: white !important;
}

.admin-btn:hover {
    background: #2563eb !important;
    color: white !important;
}

/* ================== Hero Section ================== */
.hero {
    background: linear-gradient(135deg, #111827 0%, var(--dark-bg) 50%, #1a1f3a 100%);
    color: white;
    padding: 140px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="rgba(255,255,255,0.1)" fill-opacity="1" d="M0,96L48,112C96,128,192,160,288,160C384,160,480,128,576,122.7C672,117,768,139,864,144C960,149,1056,139,1152,133.3C1248,128,1344,128,1392,128L1440,128L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>');
    background-repeat: no-repeat;
    background-position: bottom;
    opacity: 0.5;
}

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

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    font-weight: 900;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p {
    font-size: 1.3rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

.hero-about {
    padding: 80px 0;
}

.hero-programs {
    padding: 80px 0;
}

.hero-pricing {
    padding: 80px 0;
}

.hero-contact {
    padding: 80px 0;
}

/* ================== Buttons ================== */
.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

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

.btn-primary:hover {
    background: linear-gradient(135deg, #2563eb 0%, #0891b2 100%);
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(59, 130, 246, 0.4);
}

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

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

/* ================== Features Section ================== */
.features {
    padding: 80px 0;
    background: var(--light-bg);
}

.features h2 {
    text-align: center;
    font-size: 2.8rem;
    margin-bottom: 4rem;
    color: var(--primary-color);
    font-weight: 900;
    letter-spacing: 1px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2.5rem;
}

.feature-card {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

.feature-card:hover {
    transform: translateY(-12px);
    box-shadow: 0 16px 40px rgba(59, 130, 246, 0.2);
    border-color: var(--primary-color);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    color: var(--primary-color);
    font-size: 1.3rem;
    margin-bottom: 1rem;
}

.feature-card p {
    color: var(--text-light);
    line-height: 1.8;
}

/* ================== Programs Section ================== */
.programs {
    padding: 80px 0;
}

.programs h2 {
    text-align: center;
    font-size: 2.8rem;
    margin-bottom: 4rem;
    color: var(--primary-color);
    font-weight: 900;
    letter-spacing: 1px;
}

.programs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(310px, 1fr));
    gap: 2.5rem;
}

.program-card {
    background: var(--card-bg);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

.program-card:hover {
    transform: translateY(-12px);
    box-shadow: 0 16px 40px rgba(59, 130, 246, 0.2);
    border-color: var(--primary-color);
}

.program-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    padding: 1.5rem;
    text-align: center;
}

.program-header h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.program-badge {
    display: inline-block;
    background: rgba(255, 255, 255, 0.2);
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

.program-body {
    padding: 2rem;
}

.program-body p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
    line-height: 1.8;
    font-size: 0.95rem;
}

.program-features {
    list-style: none;
    margin: 1rem 0;
}

.program-features li {
    padding: 0.7rem 0;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-light);
    font-size: 0.95rem;
}

.program-features li:last-child {
    border-bottom: none;
}

.program-features li::before {
    content: '✓ ';
    color: var(--success-color);
    font-weight: bold;
    margin-right: 0.5rem;
}

/* ================== Programs Detail ================== */
.programs-detail {
    padding: 80px 0;
    background: var(--light-bg);
}

.filters {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 10px 20px;
    border: 2px solid var(--border-color);
    background: white;
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 600;
    color: var(--text-dark);
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

/* ================== Stats Section ================== */
.stats {
    background: linear-gradient(135deg, #1a1f3a 0%, var(--dark-bg) 50%, #111827 100%);
    padding: 80px 0;
    color: white;
}

.stats .container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    text-align: center;
}

.stat-item h3 {
    font-size: 3rem;
    font-weight: 900;
    margin-bottom: 0.5rem;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-item p {
    font-size: 1.2rem;
    opacity: 0.9;
}

/* ================== CTA Section ================== */
.cta {
    background: linear-gradient(135deg, var(--dark-bg) 0%, #1a1f3a 100%);
    color: white;
    padding: 80px 0;
    text-align: center;
    border-top: 1px solid var(--border-color);
}

.cta h2 {
    font-size: 2.8rem;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 900;
    letter-spacing: 1px;
}

.cta p {
    font-size: 1.3rem;
    margin-bottom: 2.5rem;
    opacity: 0.95;
}

/* ================== Pricing Section ================== */
.pricing {
    padding: 80px 0;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(310px, 1fr));
    gap: 2.5rem;
}

.pricing-card {
    background: var(--card-bg);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
}

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

.pricing-card:hover {
    box-shadow: 0 16px 40px rgba(59, 130, 246, 0.2);
    border-color: var(--primary-color);
}

.pricing-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    padding: 2rem;
    text-align: center;
}

.pricing-header h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.pricing-price {
    font-size: 2.5rem;
    font-weight: 900;
    margin-bottom: 0.5rem;
    background: linear-gradient(135deg, #ffffff 0%, #93c5fd 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.pricing-price span {
    font-size: 1rem;
    font-weight: 600;
}

.pricing-duration {
    opacity: 0.9;
    font-size: 0.9rem;
}

.pricing-body {
    padding: 2.5rem 2rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.pricing-features {
    list-style: none;
    margin-bottom: 2rem;
    flex-grow: 1;
}

.pricing-features li {
    padding: 0.8rem 0;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-light);
    font-size: 0.95rem;
}

.pricing-features li:last-child {
    border-bottom: none;
}

.pricing-features li::before {
    content: '✓ ';
    color: var(--success-color);
    font-weight: bold;
    margin-right: 0.5rem;
}

.pricing-features li.disabled {
    opacity: 0.5;
    color: #999;
}

.pricing-features li.disabled::before {
    content: '✗ ';
    color: var(--danger-color);
}

.pricing-body .btn {
    width: 100%;
    text-align: center;
}

/* ================== FAQ Section ================== */
.faq {
    padding: 80px 0;
    background: var(--dark-bg);
}

.faq h2 {
    text-align: center;
    font-size: 2.8rem;
    margin-bottom: 4rem;
    color: var(--primary-color);
    font-weight: 900;
    letter-spacing: 1px;
}

.faq-items {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--card-bg);
    margin-bottom: 1rem;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
    border: 1px solid var(--border-color);
}

.faq-question {
    padding: 1.5rem;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 600;
    transition: all 0.3s ease;
}

.faq-question:hover {
    padding-left: 2rem;
}

.faq-question.active {
    background: var(--primary-color);
}

.faq-arrow {
    font-size: 1.5rem;
    transition: transform 0.3s ease;
}

.faq-item.active .faq-arrow {
    transform: rotate(45deg);
}

.faq-answer {
    padding: 0;
    max-height: 0;
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-item.active .faq-answer {
    padding: 1.5rem;
    max-height: 1000px;
}

.faq-answer p {
    color: var(--text-light);
    line-height: 1.8;
}

/* ================== About Section ================== */
.about-content {
    padding: 80px 0;
}

.about-section {
    margin-bottom: 3rem;
    padding: 2rem;
    background: var(--card-bg);
    border-radius: 10px;
    border-left: 4px solid var(--primary-color);
    border: 1px solid var(--border-color);
}

.about-section h2 {
    color: var(--primary-color);
    font-size: 1.8rem;
    margin-bottom: 1rem;
}

.about-section p {
    color: var(--text-light);
    line-height: 1.8;
    font-size: 1.05rem;
}

.about-list {
    list-style: none;
    margin-top: 1rem;
}

.about-list li {
    padding: 0.8rem 0;
    padding-left: 2rem;
    position: relative;
    color: var(--text-light);
    line-height: 1.8;
}

.about-list li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

/* ================== Team Section ================== */
.team {
    padding: 80px 0;
    background: var(--dark-bg);
}

.team h2 {
    text-align: center;
    font-size: 2.8rem;
    margin-bottom: 4rem;
    color: var(--primary-color);
    font-weight: 900;
    letter-spacing: 1px;
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2.5rem;
}

.team-card {
    background: var(--card-bg);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
    transition: all 0.3s ease;
    text-align: center;
    border: 1px solid var(--border-color);
}

.team-card:hover {
    transform: translateY(-12px);
    box-shadow: 0 16px 40px rgba(59, 130, 246, 0.2);
    border-color: var(--primary-color);
}

.team-image {
    width: 100%;
    height: 250px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
}

.team-info {
    padding: 1.5rem;
}

.team-info h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.team-info p {
    color: var(--text-light);
    font-size: 0.9rem;
}

/* ================== Contact Section ================== */
.contact-section {
    padding: 80px 0;
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: start;
}

.contact-info h2,
.contact-form h2 {
    color: var(--primary-color);
    font-size: 1.8rem;
    margin-bottom: 2rem;
}

.info-item {
    margin-bottom: 2rem;
}

.info-item h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.info-item p {
    color: var(--text-light);
    line-height: 1.8;
}

.contact-form {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 10px;
    border: 1px solid var(--border-color);
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    margin-bottom: 1rem;
    padding: 12px;
    border: 2px solid var(--border-color);
    border-radius: 5px;
    font-family: inherit;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: var(--dark-bg);
    color: var(--text-dark);
}

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

.contact-form button {
    width: 100%;
}

/* ================== Footer ================== */
.footer {
    background: var(--dark-bg);
    color: white;
    padding: 3rem 0;
    text-align: center;
    border-top: 1px solid var(--border-color);
}

.footer p {
    margin-bottom: 1rem;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.footer-links a {
    color: var(--primary-color);
    text-decoration: none;
    transition: all 0.3s ease;
}

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

/* ================== Admin Panel ================== */
.admin-container {
    padding: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.admin-section {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
    margin-bottom: 2rem;
    border: 1px solid var(--border-color);
}

.admin-section h2 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    border-bottom: 2px solid var(--primary-color);
    padding-bottom: 1rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
    font-weight: 600;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 10px;
    border: 2px solid var(--border-color);
    border-radius: 5px;
    font-family: inherit;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: var(--dark-bg);
    color: var(--text-dark);
}

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

.btn-group {
    display: flex;
    gap: 1rem;
}

.btn-group .btn {
    flex: 1;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1rem;
}

.data-table th {
    background: var(--light-bg);
    padding: 1rem;
    text-align: left;
    border-bottom: 2px solid var(--border-color);
    color: var(--primary-color);
}

.data-table td {
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.data-table tr:hover {
    background: var(--light-bg);
}

.btn-small {
    padding: 6px 12px;
    font-size: 0.9rem;
}

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

.btn-danger:hover {
    background: #dc2626;
}

/* ================== Responsive ================== */
@media (max-width: 768px) {
    .nav-links {
        gap: 1rem;
        font-size: 0.9rem;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .hero p,
    .cta p {
        font-size: 1rem;
    }

    .features-grid,
    .programs-grid,
    .pricing-grid,
    .team-grid {
        grid-template-columns: 1fr;
    }

    .pricing-card.featured {
        transform: scale(1);
    }

    .contact-wrapper {
        grid-template-columns: 1fr;
    }

    .stats .container {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-links {
        gap: 1rem;
        font-size: 0.9rem;
    }

    .admin-section {
        padding: 1.5rem;
    }

    .features h2,
    .programs h2,
    .team h2,
    .faq h2 {
        font-size: 2rem;
    }

    .cta h2 {
        font-size: 2rem;
    }

    .hero-about,
    .hero-programs,
    .hero-pricing,
    .hero-contact {
        padding: 50px 0;
    }
}

@media (max-width: 480px) {
    .navbar .container {
        flex-direction: column;
        gap: 1rem;
    }

    .nav-links {
        width: 100%;
        justify-content: center;
        flex-wrap: wrap;
        gap: 0.5rem;
    }

    .hero h1 {
        font-size: 1.5rem;
    }

    .hero {
        padding: 60px 0;
    }

    .btn {
        padding: 10px 20px;
        font-size: 0.9rem;
    }

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

    .stat-item h3 {
        font-size: 2rem;
    }
}