/* Глобальные стили */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Arial', sans-serif;
}

:root {
    --primary-color: #00c3ff;
    --secondary-color: #ff3dc8;
    --dark-color: #0b0b13;
    --light-color: #f5f5f5;
    --accent-color: #8a2be2;
}

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

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}


/* Кнопки */

.btn {
    display: inline-block;
    padding: 10px 25px;
    border-radius: 30px;
    font-weight: bold;
    transition: all 0.3s ease;
    cursor: pointer;
}

.btn-primary {
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    color: white;
    border: none;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

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

.btn-outline:hover {
    background-color: rgba(0, 195, 255, 0.1);
}

.btn-lg {
    padding: 15px 35px;
    font-size: 1.1rem;
}


/* Хедер и навигация */

header {
    padding: 20px 0;
    position: sticky;
    top: 0;
    z-index: 100;
    background-color: #000000;
    backdrop-filter: blur(10px);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo img {
    width: 180px;
    height: auto;
    object-fit: contain;
    max-height: 80px;
}

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

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

.nav-links a {
    position: relative;
    font-weight: 600;
}

.nav-links a:not(.btn)::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 0;
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    transition: width 0.3s ease;
}

.nav-links a:not(.btn):hover::after {
    width: 100%;
}

.burger {
    display: none;
    cursor: pointer;
}

.burger div {
    width: 25px;
    height: 3px;
    background-color: var(--light-color);
    margin: 5px;
    transition: all 0.3s ease;
}


/* Секция Hero */

.hero {
    height: 90vh;
    display: flex;
    align-items: center;
    background: radial-gradient(circle at center, #191930, var(--dark-color));
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" preserveAspectRatio="none"><path d="M0,0 L100,0 L100,100 Z" fill="%230b0b13" opacity="0.5"/></svg>');
    background-size: cover;
    z-index: 1;
}

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

.hero h1 {
    font-size: 4rem;
    margin-bottom: 20px;
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

.hero p {
    font-size: 1.5rem;
    margin-bottom: 40px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}


/* Секция Features */

.features {
    padding: 100px 0;
    background-color: #0f0f1a;
}

.features h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 60px;
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

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

.feature-card {
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: 15px;
    padding: 30px;
    text-align: center;
    transition: transform 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.feature-card:hover {
    transform: translateY(-10px);
}

.feature-card i {
    font-size: 3rem;
    margin-bottom: 20px;
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.feature-card h3 {
    margin-bottom: 15px;
    font-size: 1.5rem;
}


/* Секция Pricing */

.pricing {
    padding: 100px 0;
    background-color: var(--dark-color);
}

.pricing h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 60px;
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.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);
    border-radius: 15px;
    padding: 40px 30px;
    text-align: center;
    transition: transform 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.pricing-card.featured {
    transform: scale(1.05);
    background: linear-gradient(135deg, rgba(0, 195, 255, 0.1), rgba(138, 43, 226, 0.1));
    border: 1px solid rgba(138, 43, 226, 0.3);
}

.pricing-card:hover {
    transform: translateY(-10px);
}

.pricing-card.featured:hover {
    transform: scale(1.05) translateY(-10px);
}

.pricing-card h3 {
    font-size: 1.8rem;
    margin-bottom: 15px;
    color: white;
}

.price {
    font-size: 2.2rem;
    font-weight: bold;
    margin-bottom: 30px;
    color: var(--primary-color);
}

.pricing-card ul {
    margin-bottom: 40px;
}

.pricing-card li {
    margin-bottom: 15px;
}


/* Секция Download */

.download {
    padding: 100px 0;
    background: radial-gradient(circle at center, #191930, var(--dark-color));
    text-align: center;
}

.download h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.download p {
    font-size: 1.2rem;
    margin-bottom: 40px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.download .btn {
    margin-bottom: 30px;
}

.support {
    margin-top: 50px;
    opacity: 0.8;
}

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


/* Footer */

footer {
    background-color: #000000;
    padding: 80px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 50px;
    margin-bottom: 50px;
}

.footer-logo {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.footer-logo img {
    width: 150px;
    height: auto;
    max-height: 65px;
    margin-bottom: 15px;
    object-fit: contain;
}

.footer-links h4,
.footer-contact h4 {
    margin-bottom: 20px;
    font-size: 1.2rem;
    color: var(--primary-color);
}

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

.footer-links a,
.footer-contact a {
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

.footer-links a:hover,
.footer-contact a:hover {
    opacity: 1;
    color: var(--primary-color);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    opacity: 0.6;
}


/* Медиа-запросы */

@media screen and (max-width: 960px) {
    .nav-links {
        position: fixed;
        right: -100%;
        top: 80px;
        flex-direction: column;
        background-color: rgba(11, 11, 19, 0.95);
        width: 50%;
        height: calc(100vh - 80px);
        transition: right 0.5s ease;
        padding: 40px;
        backdrop-filter: blur(10px);
    }
    .nav-links.active {
        right: 0;
    }
    .nav-links li {
        margin: 15px 0;
    }
    .burger {
        display: block;
    }
    .hero h1 {
        font-size: 3rem;
    }
    .hero p {
        font-size: 1.2rem;
    }
}

@media screen and (max-width: 768px) {
    .nav-links {
        width: 100%;
    }
    .pricing-card.featured {
        transform: scale(1);
    }
    .pricing-card.featured:hover {
        transform: translateY(-10px);
    }
}

@media screen and (max-width: 480px) {
    .hero h1 {
        font-size: 2.5rem;
    }
    .btn-lg {
        padding: 12px 25px;
        font-size: 1rem;
    }
}