@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;600;700&display=swap');

:root {
    --dark-bg: #0d1128;
    --primary-color: #ff4757;
    --secondary-color: #00d8ff;
    --card-bg: #181d3d;
    --text-light: #f1f1f1;
    --text-medium: #a9a9c2;
    --header-height: 4rem;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', sans-serif;
    background-color: var(--dark-bg);
    color: var(--text-light);
    background-image:
        radial-gradient(circle at 100% 0%, rgba(255, 71, 87, 0.2), transparent 40%),
        radial-gradient(circle at 0% 100%, rgba(0, 216, 255, 0.15), transparent 40%);
    background-repeat: no-repeat;
    background-attachment: fixed;
}

body.menu-open {
    overflow: hidden;
}

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

ul {
    list-style: none;
}

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

.container {
    max-width: 1120px;
    margin-left: auto;
    margin-right: auto;
    padding: 0 1.5rem;
}

.section {
    padding: 6rem 0 2rem;
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 1rem;
    color: var(--text-light);
}

.section-subtitle {
    text-align: center;
    color: var(--text-medium);
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.header {
    position: fixed;
    width: 100%;
    top: 0;
    left: 0;
    z-index: 100;
    background-color: transparent;
    transition: background-color 0.3s, box-shadow 0.3s;
}

.header.scrolled {
    background-color: rgba(13, 17, 40, 0.8);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.nav {
    height: var(--header-height);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    font-weight: 600;
    font-size: 1.5rem;
}

.nav-list {
    display: flex;
    gap: 2.5rem;
}

.nav-link {
    color: var(--text-medium);
    transition: color 0.3s;
    font-weight: 500;
}

.nav-link:hover, .nav-link.active {
    color: var(--text-light);
}

.nav-toggle, .nav-close {
    display: none;
    cursor: pointer;
    font-size: 1.5rem;
}

.overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.5);
    z-index: 98;
}

.button {
    display: inline-block;
    background-color: var(--primary-color);
    color: white;
    padding: 0.8rem 1.8rem;
    border-radius: 50px;
    font-weight: 500;
    transition: transform 0.3s, background-color 0.3s;
}

.button:hover {
    transform: translateY(-3px);
}

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

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    text-align: center;
    padding-top: var(--header-height);
}

.hero-title {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.hero-description {
    font-size: 1.2rem;
    color: var(--text-medium);
    margin-bottom: 2.5rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
}

#software .software-details-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 3rem;
    margin-top: 4rem;
}

#software .software-image-container {
    width: 100%;
    height: 350px;
    border-radius: 1rem;
}

#software .software-image-container img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 1rem;
}

#software .software-features h3 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: var(--text-light);
}

.features-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1.5rem;
}

.features-table td {
    padding: 1rem;
    border-bottom: 1px solid var(--card-bg);
    color: var(--text-medium);
    line-height: 1.6;
}

.features-table tr:last-child td {
    border-bottom: none;
}

.features-table td:first-child {
    font-weight: 600;
    color: var(--text-light);
    width: 35%;
}

#software .button-buy {
    margin-top: 2rem;
    background-color: var(--secondary-color);
    color: var(--dark-bg);
    float: right;
}

.about-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 3rem;
}

.about-description {
    color: var(--text-medium);
    margin-bottom: 2rem;
    line-height: 1.8;
}

.about-social {
    display: flex;
    gap: 1rem;
}

.social-link {
    font-weight: 500;
    color: var(--secondary-color);
    text-decoration: underline;
}

.about-image {
    width: 100%;
    height: 350px;
    border-radius: 1rem;
}

.about-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 1rem;
}

.contact {
    padding-bottom: 6rem;
}

.contact-form {
    max-width: 600px;
    margin: 0 auto;
}

.contact-form .form-group {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.contact-form input, .contact-form textarea {
    width: 100%;
    padding: 1rem;
    background-color: var(--card-bg);
    border: 2px solid transparent;
    border-radius: 0.5rem;
    color: var(--text-light);
    margin-bottom: 1rem;
    font-family: inherit;
}

.contact-form input:focus, .contact-form textarea:focus {
    outline: none;
    border-color: var(--secondary-color);
}

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

.contact-form .button {
    width: 100%;
    border: none;
    cursor: pointer;
}

.footer {
    background-color: var(--card-bg);
    padding: 2rem 0;
}

.footer-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-medium);
}

.footer-social {
    display: flex;
    gap: 1rem;
}

@media screen and (max-width: 768px) {
    .section {
        padding: 4rem 0 1rem;
    }
    
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 70%;
        height: 100%;
        background-color: var(--card-bg);
        z-index: 99;
        transition: right 0.4s ease-in-out;
        padding-top: 6rem;
    }

    .nav-menu.show-menu {
        right: 0;
    }

    .nav-list {
        flex-direction: column;
        align-items: center;
    }
    
    .nav-toggle {
        display: block;
    }

    .nav-close {
        display: block;
        position: absolute;
        top: 1.5rem;
        right: 1.5rem;
    }
    
    body.menu-open .overlay {
        display: block;
    }

    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }

    #software .software-details-grid, .about-container {
        grid-template-columns: 1fr;
    }
    
    #software .software-image-container, .about-image {
        grid-row: 1;
        height: 250px;
    }

    .features-table td:first-child {
        width: auto;
    }

    .footer-container {
        flex-direction: column;
        gap: 1rem;
    }
}