/* Reset e configurações básicas */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: #fff;
    background: #0a0a0a;
    overflow-x: hidden;
}

html {
    scroll-behavior: smooth;
}

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

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid rgba(142, 68, 173, 0.2);
}

.nav {
    padding: 1rem 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-menu a {
    color: #fff;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-menu a:hover {
    color: #8e44ad;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: #fff;
    margin: 3px 0;
    transition: 0.3s;
}

.language-selector {
    position: absolute;
    right: 2rem;
    top: 50%;
    transform: translateY(-50%);
}

.language-selector select {
    background: white;
    border: 2px solid #333;
    color: black;
    padding: 0.5rem 1rem;
    border-radius: 25px;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.language-selector select:focus {
    outline: none;
    border-color: #8e44ad;
    box-shadow: 0 0 0 2px rgba(142, 68, 173, 0.2);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    background: linear-gradient(135deg, #0a0a0a 0%, #1a1a2e 100%);
    overflow: hidden;
}

.hero-video-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.hero-video-background video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.2;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 800px;
    padding: 0 2rem;
}

.hero-text {
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.8);
    padding: 0 2rem;
}

.hero-title {
    font-size: 4rem;
    font-weight: 700;
    color: #8e44ad;
    margin-bottom: 1.5rem;
    text-shadow: 0 0 20px rgba(142, 68, 173, 0.8);
    letter-spacing: 2px;
}

.hero-subtitle {
    font-size: 1.8rem;
    color: #fff;
    margin-bottom: 1.5rem;
    font-weight: 600;
    line-height: 1.4;
}

.hero-description {
    font-size: 1.2rem;
    color: #ccc;
    margin-bottom: 3rem;
    line-height: 1.6;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
}

.btn {
    display: inline-block;
    padding: 1rem 2rem;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s ease;
    font-size: 1.1rem;
}

.btn-primary {
    background: linear-gradient(45deg, #8e44ad, #9b59b6);
    color: #fff;
    box-shadow: 0 4px 15px rgba(142, 68, 173, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(142, 68, 173, 0.6);
}

.btn-secondary {
    background: transparent;
    color: #fff;
    border: 2px solid #8e44ad;
}

.btn-secondary:hover {
    background: #8e44ad;
    transform: translateY(-2px);
}

/* Seções gerais */
.section-title {
    text-align: center;
    color: #8e44ad;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    font-weight: 700;
}

/* About Section */
.about {
    background: #1a1a2e;
    position: relative;
    z-index: 1;
    padding: 4rem 0;
}

.about-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.about-text {
    margin-bottom: 3rem;
}

.about-text p {
    color: #ccc;
    line-height: 1.8;
    margin-bottom: 2rem;
    font-size: 1.1rem;
    max-width: 900px;
}

.about-text p:last-of-type {
    margin-bottom: 3rem;
}

.about-text strong {
    color: #8e44ad;
    font-weight: 600;
}

.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(142, 68, 173, 0.2);
    border-radius: 15px;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.feature::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #8e44ad, #9b59b6);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.feature:hover::before {
    transform: scaleX(1);
}

.feature:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(142, 68, 173, 0.3);
    border-color: rgba(142, 68, 173, 0.4);
}

.feature i {
    font-size: 2.5rem;
    color: #8e44ad;
    margin-bottom: 1.5rem;
    display: block;
}

.feature h3 {
    color: #fff;
    font-size: 1.3rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.feature p {
    color: #ccc;
    line-height: 1.6;
    margin: 0;
    font-size: 1rem;
}

/* Responsividade para features */
@media (max-width: 768px) {
    .features {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .feature {
        padding: 1.5rem;
    }
    
    .about-text p {
        font-size: 1rem;
        margin-bottom: 1.5rem;
    }
}

/* Download Section */
.download {
    background: linear-gradient(135deg, #16213e 0%, #0a0a0a 100%);
    position: relative;
    z-index: 1;
    padding: 6rem 0;
}

.download-content {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
    padding: 0 2rem;
}

.download-info {
    margin-bottom: 3rem;
}

.download-info h3 {
    color: #fff;
    font-size: 2rem;
    margin-bottom: 1rem;
}

.download-info p {
    color: #ccc;
    font-size: 1.1rem;
    line-height: 1.7;
    max-width: 800px;
    margin: 0 auto;
}

.system-requirements {
    margin: 3rem 0;
}

.system-requirements h4 {
    color: #8e44ad;
    font-size: 1.5rem;
    margin-bottom: 2rem;
}

.requirements-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.requirement {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(142, 68, 173, 0.2);
    border-radius: 15px;
    padding: 2rem;
    text-align: left;
}

.requirement i {
    font-size: 2.5rem;
    color: #8e44ad;
    margin-bottom: 1rem;
}

.requirement h5 {
    color: #fff;
    font-size: 1.3rem;
    margin-bottom: 1.5rem;
}

.requirement ul {
    list-style: none;
    padding: 0;
}

.requirement li {
    color: #ccc;
    margin-bottom: 0.8rem;
    line-height: 1.6;
}

.requirement strong {
    color: #8e44ad;
    font-weight: 600;
}

.download-button {
    margin-top: 3rem;
}

.btn-download {
    display: inline-flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem 3rem;
    background: linear-gradient(45deg, #8e44ad, #9b59b6);
    color: #fff;
    text-decoration: none;
    border-radius: 50px;
    font-size: 1.2rem;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-download:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(142, 68, 173, 0.6);
}

.btn-download i {
    font-size: 1.5rem;
}

/* Footer */
.footer {
    background: #0a0a0a;
    padding: 0 0 2rem 0;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 2rem;
    padding: 6rem 2rem 0 2rem;
}

.footer-section h3 {
    color: #8e44ad;
    font-size: 1.3rem;
    margin-bottom: 1.5rem;
}

.footer-section p, .footer-section li {
    color: #ccc;
    margin-bottom: 0.8rem;
}

.footer-section ul {
    list-style: none;
    padding: 0;
}

.footer-section a {
    color: #ccc;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: #8e44ad;
}

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

.social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(142, 68, 173, 0.2);
    border-radius: 50%;
    transition: all 0.3s ease;
}

.social-links a:hover {
    background: #8e44ad;
    transform: translateY(-2px);
}

.footer-bottom {
    text-align: center;
    padding: 2rem;
    border-top: 1px solid rgba(142, 68, 173, 0.1);
}

.footer-bottom p {
    color: #666;
    margin: 0;
}

/* Responsividade geral */
@media (max-width: 768px) {
    .nav-container {
        justify-content: center;
        position: relative;
    }

    .language-selector {
        position: static;
        margin-top: 1rem;
        transform: none;
    }

    .nav-menu {
        justify-content: center;
    }

    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        min-width: 200px;
    }
    
    .requirements-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }
    
    .social-links {
        justify-content: center;
    }
}