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

body {
    font-family: 'Roboto', sans-serif;
    background-color: #121212;
    color: #fff;
    overflow-x: hidden;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 16px;
}

/* Header */
.header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(0, 0, 0, 0.25);
    backdrop-filter: blur(10px);
    border-bottom: 3px solid #fff;
}

.nav-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 64px;
    padding: 8px 0;
    flex-wrap: wrap;
}

.logo-link {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: #fff;
}

.logo {
    width: 60px;
    height: 60px;
    margin-right: 12px;
    object-fit: contain;
}

.logo-text {
    font-family: monospace;
    font-weight: 700;
    font-size: 1.25rem;
    letter-spacing: 0.3rem;
    text-transform: uppercase;
}

.nav-desktop {
    display: none;
    flex: 1;
    margin-left: 32px;
}

.nav-link {
    color: #fff;
    text-decoration: none;
    padding: 12px 16px;
    text-transform: uppercase;
    font-weight: 500;
    transition: background-color 0.3s;
}

.nav-link:hover {
    background-color: rgba(255, 255, 255, 0.08);
}

.auth-section {
    display: flex;
    align-items: center;
    gap: 12px;
}

.welcome {
    color: #fff;
    margin-right: 8px;
}

.btn-outline {
    padding: 8px 16px;
    border: 1px solid rgba(255, 255, 255, 0.5);
    background: transparent;
    color: #fff;
    text-decoration: none;
    border-radius: 4px;
    text-transform: uppercase;
    font-weight: 500;
    font-size: 0.875rem;
    transition: all 0.3s;
}

.btn-outline:hover {
    border-color: #fff;
    background-color: rgba(255, 255, 255, 0.08);
}

.mobile-menu-btn {
    display: block;
    background: none;
    border: none;
    color: #fff;
    font-size: 1.5rem;
    cursor: pointer;
    padding: 8px;
}

/* Video Background */
.video-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

.video-background video {
    width: 100vw;
    height: 100vh;
    object-fit: cover;
}

/* Main Content */
.main-content {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 0;
    background: rgba(0, 0, 0, 0.4);
}

.hero-section {
    text-align: center;
    max-width: 750px;
}

.hero-logo {
    width: 150px;
    height: 150px;
    margin-bottom: 24px;
}

.hero-text h1 {
    font-size: 3.75rem;
    font-weight: 300;
    margin-bottom: 16px;
    line-height: 1.2;
}

.hero-text p {
    font-size: 1.15rem;
    line-height: 1.6;
    margin-bottom: 32px;
    color: rgba(255, 255, 255, 0.9);
}

.cta-section {
    margin-top: 32px;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    padding: 12px 24px;
    background-color: #fff;
    color: #000;
    text-decoration: none;
    border-radius: 4px;
    font-weight: 500;
    font-size: 1.15rem;
    text-transform: uppercase;
    transition: all 0.3s;
    box-shadow: 0px 3px 1px -2px rgba(0,0,0,0.2), 0px 2px 2px 0px rgba(0,0,0,0.14), 0px 1px 5px 0px rgba(0,0,0,0.12);
}

.btn-primary:hover {
    background-color: #b2b2b2;
    box-shadow: 0px 2px 4px -1px rgba(0,0,0,0.2), 0px 4px 5px 0px rgba(0,0,0,0.14), 0px 1px 10px 0px rgba(0,0,0,0.12);
}

.btn-icon {
    width: 25px;
    height: 25px;
    margin-right: 8px;
}

/* Footer */
.footer {
    background: rgba(0, 0, 0, 0.45);
    border-top: 3px solid #b2b2b2;
    padding: 16px 0;
    margin-top: auto;
}

.copyright {
    text-align: center;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 16px;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 24px;
    flex-wrap: wrap;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color 0.3s;
}

.footer-links a:hover {
    color: #ccc;
}

/* Responsive */
@media (min-width: 900px) {
    .nav-desktop {
        display: flex;
    }
    
    .mobile-menu-btn {
        display: none;
    }
    
    .logo {
        width: 75px;
        height: 75px;
    }
}

@media (max-width: 768px) {
    .hero-text h1 {
        font-size: 2.5rem;
    }
    
    .hero-text p {
        font-size: 1rem;
    }
    
    .hero-logo {
        width: 120px;
        height: 120px;
    }
    
    .footer-links {
        gap: 16px;
    }
}

@media (max-width: 480px) {
    .hero-text h1 {
        font-size: 2rem;
    }
    
    .btn-primary {
        padding: 10px 20px;
        font-size: 1rem;
    }
}

/* Responsividade Mobile Completa */
@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }
    
    .header {
        padding: 10px 0;
    }
    
    .nav-wrapper {
        flex-wrap: wrap;
        gap: 10px;
    }
    
    .auth-section {
        flex-wrap: wrap;
        justify-content: center;
        gap: 8px;
    }
    
    .btn-outline {
        padding: 8px 12px;
        font-size: 0.8rem;
    }
    
    .main-content {
        padding: 20px 0;
    }
    
    .hero-section {
        padding: 0 15px;
    }
    
    .hero-logo {
        width: 100px;
        height: 100px;
        margin-bottom: 20px;
    }
    
    .hero-text h1 {
        font-size: 2.2rem;
        margin-bottom: 15px;
    }
    
    .hero-text p {
        font-size: 0.95rem;
        margin-bottom: 25px;
    }
    
    .btn-primary {
        padding: 10px 18px;
        font-size: 0.95rem;
    }
    
    .footer {
        padding: 20px 0;
    }
    
    .footer-links {
        gap: 15px;
        font-size: 0.9rem;
    }
    
    .copyright {
        font-size: 0.85rem;
        margin-bottom: 12px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 10px;
    }
    
    .logo {
        width: 45px;
        height: 45px;
        margin-right: 8px;
    }
    
    .logo-text {
        font-size: 1rem;
        letter-spacing: 0.2rem;
    }
    
    .hero-logo {
        width: 80px;
        height: 80px;
        margin-bottom: 15px;
    }
    
    .hero-text h1 {
        font-size: 1.8rem;
        margin-bottom: 12px;
    }
    
    .hero-text p {
        font-size: 0.9rem;
        margin-bottom: 20px;
    }
    
    .btn-primary {
        padding: 8px 15px;
        font-size: 0.9rem;
    }
    
    .btn-icon {
        width: 20px;
        height: 20px;
        margin-right: 6px;
    }
    
    .auth-section {
        gap: 6px;
    }
    
    .btn-outline {
        padding: 6px 10px;
        font-size: 0.75rem;
    }
    
    .footer-links {
        gap: 12px;
        font-size: 0.8rem;
    }
    
    .copyright {
        font-size: 0.8rem;
    }
}