:root {
    --primary: #2563eb;
    --secondary: #fbbf24;
    --background: #f8fafc;
    --text: #1e293b;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', system-ui, sans-serif;
}

body {
    background-color: var(--background);
    color: var(--text);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.navbar {
    background-color: white;
    padding: 0.75rem 1rem;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    flex-wrap: wrap;
}

.logo {
    font-size: 1.25rem;
    font-weight: bold;
    color: var(--primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo img {
    max-height: 40px;
    width: auto;
}

.nav-links {
    display: flex;
    gap: 1.5rem;
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: var(--text);
    font-weight: 500;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: var(--primary);
}

.menu-toggle {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--primary);
    border: none;
    background: transparent;
    padding: 0.5rem;
}

.auth-buttons {
    display: flex;
    gap: 0.75rem;
}

.btn {
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
    font-size: 0.9rem;
}

.btn-primary {
    background-color: var(--primary);
    color: white;
    border: none;
}

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

.hero {
    margin-top: 4.5rem;
    padding: 3rem 1rem;
    text-align: center;
    background: linear-gradient(135deg, var(--primary), #1d4ed8);
    color: white;
}

.hero h1 {
    font-size: 2rem;
    margin-bottom: 1rem;
    padding: 0 1rem;
}

.hero p {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    opacity: 0.9;
    padding: 0 1rem;
}

.partnership-section {
    padding: 2rem 1rem;
    max-width: 1200px;
    margin: 0 auto;
}

.partnership-card {
    background: linear-gradient(135deg, var(--primary), #1d4ed8);
    color: white;
    padding: 2rem 1rem;
    border-radius: 1rem;
    text-align: center;
    box-shadow: 0 8px 16px rgba(0,0,0,0.2);
    position: relative;
    overflow: hidden;
}

.partnership-benefits {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    margin: 1.5rem 0;
    position: relative;
}

.benefit-item {
    background: rgba(255, 255, 255, 0.1);
    padding: 1.25rem;
    border-radius: 0.5rem;
    backdrop-filter: blur(5px);
}

.features {
    padding: 2rem 1rem;
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    max-width: 1200px;
    margin: 0 auto;
}

.feature-card {
    background: white;
    padding: 1.5rem;
    border-radius: 1rem;
    text-align: left;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.language-selector {
    position: relative;
    cursor: pointer;
    padding: 0.5rem;
}

.language-selector span {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.language-options {
    display: none;
    position: absolute;
    top: 100%;
    right: 0;
    background: white;
    border-radius: 0.5rem;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    padding: 0.5rem;
    min-width: 120px;
    z-index: 1001;
}

.language-selector:hover .language-options {
    display: block;
}

.language-options a {
    display: block;
    padding: 0.5rem 1rem;
    text-decoration: none;
    color: var(--text);
    transition: color 0.3s;
    white-space: nowrap;
}

.language-options a:hover {
    color: var(--primary);
    background-color: var(--background);
    border-radius: 0.25rem;
}

/* Media Queries */
@media (max-width: 768px) {
    /* ... (resto do código do media query móvel permanece igual) ... */

    .language-selector {
        width: 100%;
        text-align: center;
    }

    .language-options {
        width: 100%;
        position: static;
        box-shadow: none;
        margin-top: 0.5rem;
        border-top: 1px solid rgba(0,0,0,0.1);
        border-bottom: 1px solid rgba(0,0,0,0.1);
    }

    .language-options a {
        text-align: center;
    }
}


footer {
    margin-top: auto;
    background-color: var(--text);
    color: white;
    padding: 2rem;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

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

.social-links a {
    color: white;
    font-size: 1.5rem;
    transition: color 0.3s;
}

.social-links a:hover {
    color: var(--secondary);
}

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


/* Media Queries */
@media (max-width: 768px) {
    .navbar {
        padding: 0.5rem;
    }

    .menu-toggle {
        display: block;
    }

    .nav-links {
        display: none;
        width: 100%;
        flex-direction: column;
        padding: 1rem;
        background: white;
        position: absolute;
        top: 100%;
        left: 0;
        box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    }

    .nav-links.active {
        display: flex;
    }


    .auth-buttons {
        width: 100%;
        justify-content: center;
        padding: 0.5rem;
        gap: 0.5rem;
    }

    .btn {
        width: 100%;
        text-align: center;
    }
}

/* Tablet and larger screens */
@media (min-width: 769px) {
    .hero h1 {
        font-size: 2.5rem;
    }

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

    .partnership-benefits {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    }

    .footer-content {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Desktop screens */
@media (min-width: 1024px) {
    .hero h1 {
        font-size: 3rem;
    }

    .navbar {
        padding: 1rem 2rem;
    }

    .partnership-section {
        padding: 4rem 2rem;
    }
}


.countdown-section {
    background: linear-gradient(135deg, #6e48aa 0%, #9d50bb 100%);
    color: white;
    padding: 2rem;
    text-align: center;
    margin: 2rem auto;
    border-radius: 10px;
    max-width: 900px;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.countdown-container h2 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
}

.countdown-date {
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.countdown {
    display: flex;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
}

.countdown-item {
    background: rgba(255, 255, 255, 0.2);
    padding: 1rem;
    border-radius: 8px;
    min-width: 80px;
}

.countdown-item span:first-child {
    font-size: 2.5rem;
    font-weight: bold;
    display: block;
}

.countdown-note {
    margin-top: 1.5rem;
    font-style: italic;
    opacity: 0.9;
}

/* Responsividade */
@media (max-width: 768px) {
    .countdown-item {
        min-width: 70px;
        padding: 0.8rem;
    }
    .countdown-item span:first-child {
        font-size: 2rem;
    }
}