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

html, body {
    height: 100%;
    margin: 0;
    padding: 0;
}

body {
    min-height: 100vh;
    font-family: 'Roboto', sans-serif;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    color: #333;
    line-height: 1.6;
}

/* Header moderno */
.header {
    background: linear-gradient(135deg, #2ba4ef 0%, #3badf3 100%);
    padding: 1rem 2rem;
    box-shadow: 0 4px 20px rgba(43, 164, 239, 0.3);
    position: sticky;
    top: 0;
    z-index: 1000;
}

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

.logo-section {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo-tarja {
    height: 60px;
    width: auto;
    transition: transform 0.3s ease;
}

.logo-tarja:hover {
    transform: scale(1.1);
}

.nome-app {
    color: white;
    font-size: 2rem;
    font-weight: 700;
    font-family: "Zilla Slab", serif;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

/* Navegação moderna */
.nav-menu {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    color: #fff;
    text-decoration: none;
    font-size: 1.1rem;
    font-weight: 500;
    font-family: "Zilla Slab", serif;
    padding: 0.5rem 1rem;
    border-radius: 25px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.nav-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.1);
    transition: left 0.3s ease;
}

.nav-link:hover::before {
    left: 0;
}

.nav-link:hover {
    color: #ffcc00;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(255, 204, 0, 0.3);
}

/* Conteúdo principal */
.main-content {
    max-width: 1200px;
    margin: 3rem auto;
    padding: 0 2rem;
}

.hero-section {
    background: white;
    border-radius: 20px;
    padding: 3rem;
    margin-bottom: 3rem;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 3rem;
    align-items: start;
}

.logo {
    width: 250px;
    height: auto;
    border-radius: 15px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.logo:hover {
    transform: scale(1.05);
    box-shadow: 0 12px 35px rgba(0, 0, 0, 0.2);
}

.content-text {
    text-align: left;
}

.content-title {
    font-family: "Zilla Slab", serif;
    font-size: 2.5rem;
    font-weight: 700;
    color: #2ba4ef;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.content-description {
    font-size: 1.1rem;
    color: #555;
    margin-bottom: 2rem;
    line-height: 1.8;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
}

.feature-card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(43, 164, 239, 0.2);
}

.feature-icon {
    font-size: 2.5rem;
    color: #2ba4ef;
    margin-bottom: 1rem;
}

.feature-title {
    font-family: "Zilla Slab", serif;
    font-size: 1.3rem;
    color: #333;
    margin-bottom: 1rem;
}

.feature-text {
    color: #666;
    line-height: 1.6;
}

/* Call to Action */
.cta-section {
    background: linear-gradient(135deg, #2ba4ef 0%, #3badf3 100%);
    padding: 4rem 2rem;
    text-align: center;
    border-radius: 20px;
    color: white;
    margin: 3rem 0;
}

.cta-title {
    font-family: "Zilla Slab", serif;
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.cta-button {
    display: inline-block;
    background: #ffcc00;
    color: #333;
    padding: 1rem 2.5rem;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.cta-button:hover {
    background: #ffd633;
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(255, 204, 0, 极4);
}

/* Responsividade */
@media (max-width: 768px) {
    .header-container {
        flex-direction: column;
        gap: 1rem;
    }
    
    .nav-menu {
        gap: 1rem;
    }
    
    .hero-section {
        grid-template-columns: 1fr;
        text-align: center;
        padding: 2rem;
    }
    
    .logo {
        margin: 0 auto;
    }
    
    .content-text {
        text-align: center;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .nav-link {
        font-size: 0.9rem;
        padding: 0.4rem 0.8rem;
    }
}

@media (max-width: 480px) {
    .header {
        padding: 1rem;
    }
    
    .nome-app {
        font-size: 1.5rem;
    }
    
    .content-title {
        font-size: 2rem;
    }
    
    .cta-title {
        font-size: 2rem;
    }
}

/* Animações */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-section, .feature-card {
    animation: fadeInUp 0.6s ease-out;
}

.feature-card:nth-child(2) {
    animation-delay: 0.2s;
}

.feature-card:nth-child(3) {
    animation-delay: 0.4s;
}

.feature-card:nth-child(4) {
    animation-delay: 0.6s;
}