:root {
    --primary: #2b59c3;
    --secondary: #253c78;
    --accent: #00e8fc;
    --dark: #121317;
    --light: #f8f9fa;
    --success: #28a745;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: var(--dark);
    color: var(--light);
    line-height: 1.6;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

header {
    background-color: rgba(18, 19, 23, 0.9);
    padding: 15px 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
}

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

.logo {
    font-size: 24px;
    font-weight: 700;
    color: var(--accent);
    display: flex;
    align-items: center;
}

.logo span {
    color: var(--light);
}

.logo-icon {
    display: none;
    font-size: 24px;
    color: var(--accent);
    margin-right: 10px;
}

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

.desktop-nav ul {
    display: flex;
    list-style: none;
}

.desktop-nav ul li {
    margin-left: 30px;
}

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

.desktop-nav ul li a:hover {
    color: var(--accent);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--light);
    font-size: 24px;
    cursor: pointer;
}

.mobile-nav {
    display: none;
    position: fixed;
    top: 70px;
    left: 0;
    width: 100%;
    background-color: var(--dark);
    padding: 20px;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
    z-index: 999;
}

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

.mobile-nav ul {
    list-style: none;
}

.mobile-nav ul li {
    margin-bottom: 15px;
}

.mobile-nav ul li a {
    color: var(--light);
    text-decoration: none;
    font-size: 18px;
    display: block;
    padding: 10px;
    border-radius: 5px;
    transition: all 0.3s;
}

.mobile-nav ul li a:hover {
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--accent);
}

.btn {
    display: inline-block;
    padding: 10px 25px;
    background-color: var(--accent);
    color: var(--dark);
    border-radius: 5px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
    border: none;
    cursor: pointer;
}

.btn:hover {
    background-color: #00c4d8;
    transform: translateY(-2px);
}

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

.btn-outline:hover {
    background-color: var(--accent);
    color: var(--dark);
}

.btn-icon {
    display: none;
    background: none;
    border: none;
    color: var(--accent);
    font-size: 24px;
    cursor: pointer;
    padding: 5px;
}

.hero {
    background: linear-gradient(rgba(18, 19, 23, 0.8), rgba(18, 19, 23, 0.8)), url('../img/hero.jpg') no-repeat center center/cover;
    height: 100vh;
    display: flex;
    align-items: center;
    text-align: center;
    padding-top: 70px;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero h1 {
    font-size: 48px;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero p {
    font-size: 20px;
    margin-bottom: 30px;
    opacity: 0.9;
}

.hero-btns {
    display: flex;
    justify-content: center;
    gap: 20px;
}

.section {
    padding: 100px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 60px;
}

.section-title h2 {
    font-size: 36px;
    margin-bottom: 15px;
}

.section-title p {
    font-size: 18px;
    opacity: 0.8;
    max-width: 700px;
    margin: 0 auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.feature-card {
    background-color: rgba(255, 255, 255, 0.05);
    padding: 30px;
    border-radius: 10px;
    transition: transform 0.3s;
}

.feature-card:hover {
    transform: translateY(-10px);
    background-color: rgba(255, 255, 255, 0.1);
}

.feature-card i {
    font-size: 40px;
    color: var(--accent);
    margin-bottom: 20px;
}

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

.steps {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    margin-top: 50px;
}

.step {
    flex: 1;
    min-width: 250px;
    text-align: center;
    padding: 0 20px;
    position: relative;
    margin-bottom: 40px;
}

.step-number {
    width: 80px;
    height: 80px;
    background-color: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 30px;
    font-weight: 700;
    margin: 0 auto 20px;
}

.step h3 {
    margin-bottom: 15px;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.pricing-card {
    background-color: rgba(255, 255, 255, 0.05);
    padding: 40px 30px;
    border-radius: 10px;
    text-align: center;
    transition: all 0.3s;
}

.pricing-card:hover {
    transform: translateY(-10px);
    background-color: rgba(255, 255, 255, 0.1);
}

.pricing-card.popular {
    border: 2px solid var(--accent);
    position: relative;
}

.popular-tag {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--accent);
    color: var(--dark);
    padding: 5px 20px;
    border-radius: 20px;
    font-weight: 600;
    font-size: 14px;
}

.pricing-card h3 {
    font-size: 24px;
    margin-bottom: 20px;
}

.price {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--accent);
}

.price span {
    font-size: 16px;
    opacity: 0.7;
}

.pricing-card ul {
    list-style: none;
    margin-bottom: 30px;
}

.pricing-card ul li {
    margin-bottom: 10px;
    padding-bottom: 10px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.faq-item {
    background-color: rgba(255, 255, 255, 0.05);
    margin-bottom: 15px;
    border-radius: 5px;
    overflow: hidden;
}

.faq-question {
    padding: 20px;
    font-size: 18px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.faq-answer {
    padding: 0 20px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
}

.faq-answer.active {
    padding: 0 20px 20px;
    max-height: 500px;
}

.cta {
    text-align: center;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    padding: 80px 0;
    border-radius: 10px;
}

.cta h2 {
    font-size: 36px;
    margin-bottom: 20px;
}

.cta p {
    font-size: 18px;
    margin-bottom: 30px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

footer {
    background-color: #0a0a0c;
    padding: 60px 0 20px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    margin-bottom: 40px;
}

.footer-column {
    flex: 1;
    min-width: 200px;
    margin-bottom: 30px;
}

.footer-column h3 {
    font-size: 18px;
    margin-bottom: 20px;
    color: var(--accent);
}

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

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

.footer-column ul li a {
    color: var(--light);
    text-decoration: none;
    opacity: 0.7;
    transition: opacity 0.3s;
}

.footer-column ul li a:hover {
    opacity: 1;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 14px;
    opacity: 0.7;
}

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

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

    .btn-icon {
        display: block;
        margin-right: 15px;
    }

    .logo {
        font-size: 20px;
    }

    .logo-icon {
        display: block;
    }

    .hero h1 {
        font-size: 36px;
    }

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

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

    .btn {
        width: 100%;
        max-width: 250px;
        margin-bottom: 10px;
    }

    .step:not(:last-child):after {
        display: none;
    }

    .step {
        flex: 100%;
        margin-bottom: 40px;
    }

    .footer-column {
        flex: 100%;
    }

    .section {
        padding: 50px 0;
    }

    .section-title {
        margin-bottom: 30px;
    }

    .cta {
        padding: 40px 0;
    }

    footer {
        padding: 30px 0 20px;
    }
}