:root {
    --primary: #ff5722;
    --primary-dark: #e64a19;
    --primary-light: #ff8a65;
    --secondary: #5c6bc0;
    --secondary-dark: #303f9f;
    --dark: #121212;
    --darker: #0a0a0a;
    --light: #f5f5f5;
    --gray: #9e9e9e;
    --gray-dark: #616161;
    --success: #4caf50;
}

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

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--dark);
    color: var(--light);
    font-family: 'Roboto', sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

section {
    padding: 5rem 0;
}

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

.language-switcher {
    display: flex;
    background: rgba(30, 30, 30, 0.8);
    border-radius: 50px;
    padding: 0.3rem;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    margin-left: 2rem;
}

.language-btn {
    background: none;
    border: none;
    color: var(--gray);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s ease;
}

.language-btn.active {
    background: var(--primary);
    color: white;
}

header {
    background: linear-gradient(135deg, var(--darker) 0%, var(--secondary-dark) 100%);
    padding: 0;
    position: relative;
    overflow: hidden;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    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="rgba(255,87,34,0.1)"/></svg>');
    background-size: cover;
    z-index: 1;
}

.header-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 4rem 1rem;
    max-width: 900px;
    margin: 0 auto;
}

.logo-container {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    gap: 1rem;
}

.logo-img {
    height: 80px;
    animation: pulse 2s infinite;
}

.logo-text {
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--primary);
    text-shadow: 0 0 20px rgba(255, 87, 34, 0.7);
    font-family: 'Montserrat', sans-serif;
}

h1 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    background: linear-gradient(to right, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.subtitle {
    font-size: 1.5rem;
    max-width: 800px;
    margin: 0 auto 2.5rem;
    color: var(--light);
    font-weight: 300;
}

.cta-button {
    display: inline-block;
    background: linear-gradient(to right, var(--primary), var(--primary-dark));
    color: white;
    padding: 1rem 2.5rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: bold;
    transition: all 0.3s ease;
    margin: 0.5rem;
    box-shadow: 0 4px 15px rgba(255, 87, 34, 0.4);
    position: relative;
    overflow: hidden;
    border: none;
    cursor: pointer;
    font-size: 1.1rem;
}

.cta-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: all 0.6s ease;
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(255, 87, 34, 0.6);
}

.cta-button:hover::before {
    left: 100%;
}

.button-group {
    margin-top: 2rem;
}

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

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

.section-title {
    text-align: center;
    margin-bottom: 4rem;
    position: relative;
    font-size: 2.5rem;
}

.section-title::after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background: linear-gradient(to right, var(--primary), var(--secondary));
    margin: 1rem auto;
    border-radius: 2px;
}

.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2.5rem;
    margin-bottom: 3rem;
}

.feature {
    background: linear-gradient(145deg, rgba(50, 50, 50, 0.2), rgba(30, 30, 30, 0.2));
    border-radius: 15px;
    padding: 2.5rem 2rem;
    text-align: center;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
    overflow: hidden;
}

.feature::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(to right, var(--primary), var(--secondary));
}

.feature:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
}

.feature-icon {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    color: var(--primary);
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.feature-title {
    font-size: 1.6rem;
    margin-bottom: 1.2rem;
    color: var(--light);
}

.feature-description {
    color: var(--gray);
}

.help-section {
    background: linear-gradient(135deg, var(--secondary) 0%, var(--darker) 100%);
    border-radius: 15px;
    padding: 4rem 3rem;
    text-align: center;
    margin-top: 4rem;
    position: relative;
    overflow: hidden;
}

.help-section::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    transform: rotate(30deg);
}

.help-content {
    position: relative;
    z-index: 2;
}

.download-section {
    text-align: center;
    background: linear-gradient(135deg, var(--darker) 0%, var(--dark) 100%);
    border-radius: 15px;
    padding: 4rem;
}

.download-info {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-top: 2rem;
    gap: 1rem;
    flex-wrap: wrap;
}

.download-meta {
    color: var(--gray);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.05);
    padding: 0.5rem 1rem;
    border-radius: 50px;
}

.gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-top: 3rem;
}

.gallery-item {
    border-radius: 10px;
    overflow: hidden;
    position: relative;
    height: 200px;
    background: linear-gradient(135deg, var(--secondary), var(--primary));
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.gallery-item:hover {
    transform: scale(1.03);
}

.gallery-item i {
    font-size: 4rem;
    color: rgba(255, 255, 255, 0.2);
}

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

.faq-item {
    margin-bottom: 1.5rem;
    border-radius: 10px;
    overflow: hidden;
    background: rgba(40, 40, 40, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}

.faq-item:hover {
    border-color: rgba(255, 87, 34, 0.3);
}

.faq-question {
    padding: 1.5rem;
    background: rgba(255, 87, 34, 0.1);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: bold;
}

.faq-answer {
    padding: 1.5rem;
    color: var(--gray);
    display: none;
}

.faq-active .faq-answer {
    display: block;
}

footer {
    background: linear-gradient(135deg, var(--darker) 0%, #000 100%);
    padding: 4rem 0 2rem;
    margin-top: 5rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
}

.footer-logo {
    height: 60px;
    margin-bottom: 1rem;
}

.footer-description {
    color: var(--gray);
    margin-bottom: 1.5rem;
}

.footer-heading {
    color: var(--light);
    margin-bottom: 1.5rem;
    font-size: 1.2rem;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.8rem;
}

.footer-links a {
    color: var(--gray);
    transition: all 0.3s ease;
}

.footer-links a:hover {
    color: var(--primary);
    padding-left: 5px;
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    color: var(--light);
    transition: all 0.3s ease;
}

.social-link:hover {
    background: var(--primary);
    transform: translateY(-3px);
}

.copyright {
    text-align: center;
    margin-top: 4rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--gray);
}

@keyframes pulse {
    0% {
        filter: drop-shadow(0 0 5px rgba(255, 87, 34, 0.7));
    }
    50% {
        filter: drop-shadow(0 0 15px rgba(255, 87, 34, 0.9));
    }
    100% {
        filter: drop-shadow(0 0 5px rgba(255, 87, 34, 0.7));
    }
}

@keyframes float {
    0% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
    100% {
        transform: translateY(0);
    }
}

.float-animation {
    animation: float 5s ease-in-out infinite;
}

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(18, 18, 18, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 1rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.navbar-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.navbar-logo {
    height: 40px;
}

.navbar-menu {
    display: flex;
    list-style: none;
}

.navbar-item {
    margin-left: 2rem;
}

.navbar-link {
    color: var(--light);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
}

.navbar-link:hover {
    color: var(--primary);
}

@media (max-width: 768px) {
    .logo-img {
        height: 80px;
    }
    
    h1 {
        font-size: 2.5rem;
    }
    
    .subtitle {
        font-size: 1.2rem;
    }
    
    .features {
        grid-template-columns: 1fr;
    }
    
    .help-section, .download-section {
        padding: 2rem 1.5rem;
    }
    
    .button-group {
        display: flex;
        flex-direction: column;
    }
    
    .cta-button {
        margin: 0.5rem 0;
    }
    
    .navbar-menu {
        display: none;
    }
    
    .language-switcher {
        top: 1rem;
        right: 1rem;
    }
    
    .navbar-logo {
        height: 30px;
    }
}