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

:root {
    --primary-color: #FFD700;
    --secondary-color: #8B5CF6;
    --dark-bg: #0a0a0a;
    --dark-card: #1a1a1a;
    --text-light: #ffffff;
    --text-gray: #a0a0a0;
    --border-color: #333;
}

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

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

/* Header */
.header {
    background-color: rgba(10, 10, 10, 0.95);
    padding: 20px 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    border-bottom: 2px solid var(--border-color);
    backdrop-filter: blur(10px);
}

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

.logo h1 {
    color: var(--primary-color);
    font-size: 28px;
    font-weight: bold;
    letter-spacing: 2px;
}

.nav ul {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav a {
    color: var(--text-light);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

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

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
}

.mobile-menu-btn span {
    width: 25px;
    height: 3px;
    background-color: var(--primary-color);
    transition: 0.3s;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    background: linear-gradient(135deg, #0a0a0a 0%, #1a0a2e 100%);
    margin-top: 80px;
    overflow: hidden;
}

.video-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    overflow: hidden;
}

.video-background iframe {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 100vw;
    height: 100vh;
    transform: translate(-50%, -50%);
    pointer-events: none;
}

@media (min-aspect-ratio: 16/9) {
    .video-background iframe {
        height: 56.25vw;
    }
}

@media (max-aspect-ratio: 16/9) {
    .video-background iframe {
        width: 177.78vh;
    }
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(10, 10, 10, 0.7);
    z-index: 1;
}

.particles {
    position: absolute;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(2px 2px at 20% 30%, var(--primary-color), transparent),
        radial-gradient(2px 2px at 60% 70%, var(--secondary-color), transparent),
        radial-gradient(1px 1px at 50% 50%, white, transparent),
        radial-gradient(1px 1px at 80% 10%, var(--primary-color), transparent);
    background-size: 200% 200%;
    animation: particleMove 20s ease infinite;
    opacity: 0.3;
}

@keyframes particleMove {
    0%, 100% { background-position: 0% 0%, 100% 100%, 50% 50%, 80% 10%; }
    50% { background-position: 100% 100%, 0% 0%, 80% 80%, 20% 90%; }
}

.hero-content {
    text-align: center;
    z-index: 2;
    max-width: 800px;
    position: relative;
}

.hero-title {
    font-size: 56px;
    font-weight: bold;
    margin-bottom: 20px;
    line-height: 1.2;
}

.highlight {
    color: var(--primary-color);
    text-shadow: 0 0 20px rgba(255, 215, 0, 0.5);
}

.hero-subtitle {
    font-size: 20px;
    color: var(--text-gray);
    margin-bottom: 40px;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 16px 40px;
    font-size: 18px;
    font-weight: 600;
    text-decoration: none;
    border-radius: 8px;
    transition: all 0.3s;
    border: 2px solid transparent;
    cursor: pointer;
}

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

.btn-primary:hover {
    background-color: transparent;
    color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(255, 215, 0, 0.3);
}

.btn-secondary {
    background-color: transparent;
    color: var(--text-light);
    border-color: var(--text-light);
}

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

.icon {
    margin-right: 8px;
}

/* Sections */
.section {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    font-size: 42px;
    margin-bottom: 60px;
    color: var(--primary-color);
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.feature-card {
    background-color: var(--dark-card);
    padding: 40px 30px;
    border-radius: 12px;
    text-align: center;
    border: 2px solid var(--border-color);
    transition: all 0.3s;
}

.feature-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(255, 215, 0, 0.2);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    font-weight: bold;
    margin: 0 auto 20px;
    color: var(--dark-bg);
}

.feature-card h3 {
    font-size: 22px;
    margin-bottom: 15px;
}

.feature-card p {
    color: var(--text-gray);
}

/* Benefits Section */
.benefits-section {
    background-color: var(--dark-card);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
}

.benefit-item {
    text-align: center;
}

.benefit-icon {
    font-size: 48px;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.benefit-item h3 {
    font-size: 22px;
    margin-bottom: 10px;
}

.benefit-item p {
    color: var(--text-gray);
}

/* Plans */
.plans-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    max-width: 1000px;
    margin: 0 auto;
}

.plan-card {
    background-color: var(--dark-card);
    padding: 40px 30px;
    border-radius: 12px;
    border: 2px solid var(--border-color);
    text-align: center;
    position: relative;
    transition: all 0.3s;
}

.plan-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-color);
}

.plan-card.featured {
    border-color: var(--primary-color);
    box-shadow: 0 0 40px rgba(255, 215, 0, 0.3);
}

.badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--primary-color);
    color: var(--dark-bg);
    padding: 8px 20px;
    border-radius: 20px;
    font-weight: bold;
    font-size: 14px;
}

.plan-name {
    font-size: 28px;
    margin-bottom: 20px;
    color: var(--primary-color);
}

.plan-price {
    margin-bottom: 30px;
}

.currency {
    font-size: 24px;
    vertical-align: top;
}

.amount {
    font-size: 56px;
    font-weight: bold;
}

.period {
    font-size: 18px;
    color: var(--text-gray);
}

.plan-features {
    list-style: none;
    margin-bottom: 30px;
    text-align: left;
}

.plan-features li {
    padding: 12px 0;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-gray);
}

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

/* FAQ Section */
.faq-section {
    background-color: var(--dark-card);
}

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

.faq-item {
    margin-bottom: 20px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
}

.faq-question {
    width: 100%;
    padding: 20px;
    background-color: var(--dark-card);
    border: none;
    color: var(--text-light);
    font-size: 18px;
    text-align: left;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.3s;
}

.faq-question:hover {
    background-color: rgba(255, 215, 0, 0.1);
}

.faq-icon {
    font-size: 24px;
    color: var(--primary-color);
    transition: transform 0.3s;
}

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

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    background-color: rgba(0, 0, 0, 0.3);
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer p {
    padding: 20px;
    color: var(--text-gray);
    line-height: 1.8;
}

/* Contact Section */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.contact-info h3 {
    font-size: 32px;
    margin-bottom: 20px;
    color: var(--primary-color);
}

.contact-info p {
    color: var(--text-gray);
    margin-bottom: 30px;
}

.contact-items {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.contact-item {
    display: flex;
    gap: 20px;
    align-items: center;
}

.contact-icon {
    font-size: 32px;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.contact-item h4 {
    font-size: 18px;
    margin-bottom: 5px;
}

.contact-item p {
    color: var(--text-gray);
    margin: 0;
}

/* Contact Form */
.contact-form {
    background-color: var(--dark-card);
    padding: 40px;
    border-radius: 12px;
    border: 2px solid var(--border-color);
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text-light);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px;
    background-color: rgba(0, 0, 0, 0.3);
    border: 2px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-light);
    font-size: 16px;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-group textarea {
    resize: vertical;
    font-family: inherit;
}

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

/* Footer */
.footer {
    background-color: var(--dark-card);
    padding: 60px 0 20px;
    border-top: 2px solid var(--border-color);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h3 {
    color: var(--primary-color);
    font-size: 24px;
    margin-bottom: 20px;
}

.footer-section h4 {
    color: var(--primary-color);
    font-size: 18px;
    margin-bottom: 15px;
}

.footer-section p {
    color: var(--text-gray);
    line-height: 1.8;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 10px;
}

.footer-section ul li a {
    color: var(--text-gray);
    text-decoration: none;
    transition: color 0.3s;
}

.footer-section ul li a:hover {
    color: var(--primary-color);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid var(--border-color);
    color: var(--text-gray);
}

/* Responsive Design */
@media (max-width: 768px) {
    .mobile-menu-btn {
        display: flex;
    }

    .nav {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        background-color: rgba(10, 10, 10, 0.98);
        padding: 40px 20px;
        transition: left 0.3s;
        border-bottom: 2px solid var(--border-color);
    }

    .nav.active {
        left: 0;
    }

    .nav ul {
        flex-direction: column;
        gap: 20px;
    }

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

    .hero-subtitle {
        font-size: 16px;
    }

    .section-title {
        font-size: 32px;
    }

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

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

    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .contact-form {
        padding: 30px 20px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 28px;
    }

    .btn {
        padding: 14px 30px;
        font-size: 16px;
    }

    .plan-price .amount {
        font-size: 42px;
    }

    .feature-card,
    .plan-card {
        padding: 30px 20px;
    }
}

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

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

/* Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--dark-bg);
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--secondary-color);
}