:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --secondary: #22c55e;
    --dark: #1e293b;
    --light: #f8fafc;
    --gray: #64748b;
    --accent: #f59e0b;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Galano, Montserrat, sans-serif, "Helvetica Neue", sans-serif;
}

body {
    background-color: #011f44;
    padding: 100px;
}

/* Previne scroll quando menu está aberto */
body.menu-open {
    overflow: hidden;
}

.preview-container {
    background: white;
    border-radius: 6px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    margin-bottom: 2rem;
}

.preview-title {
    background: #f8fafc;
    padding: 1rem;
    border-bottom: 1px solid #e2e8f0;
    font-weight: 600;
}

.preview-content {
    position: relative;
    height: 90px;
}

/* MENU MODERNO */
.modern-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: linear-gradient(360deg, #c994f0 0%, #72039c 100%);
    box-shadow: 0 4px 6px rgb(0 0 0 / 20%);
    z-index: 1000;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.modern-nav.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.nav-container {
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-right: 30px;
}

.logo-desktop {
    display: block;
    max-width: 280px;
    height: auto;
}

.logo-mobile {
    display: none;
    max-width: 80px;
    height: auto;
}

.logo-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.3s ease;
    padding: 3px 10px;
}

.logo-icon:hover {
    transform: scale(1.05);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    list-style: none;
}

.nav-item a {
    display: inline-flex;
    align-items: center;
    padding: 0.5rem 1.25rem;
    border-radius: 6px;
    text-decoration: none;
    color: #fff;
    font-weight: 500;
    font-size: 0.95rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.nav-item a::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    transition: left 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: -1;
}

.nav-item a:hover {
    color: white;
    transform: translateY(-2px);
}

.nav-item a:hover::before {
    left: 0;
}

.nav-item a.active {
    background: linear-gradient(135deg, #c076f7 0%, #72039c 100%);
    color: white;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

/* CTA Button */
.nav-cta {
    background: linear-gradient(135deg, var(--secondary) 0%, #16a34a 100%);
    color: white;
    padding: 0.6rem 1.75rem;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 12px rgba(34, 197, 94, 0.3);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-cta:hover {
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 6px 20px rgba(34, 197, 94, 0.4);
}

.nav-cta i {
    font-size: 0.9rem;
}

/* Menu Toggle - Botão Hamburger */
.menu-toggle {
    display: none;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    border-radius: 6px;
    cursor: pointer;
    padding: 0.75rem;
    color: white;
    font-size: 1.2rem;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    z-index: 1001;
}

.menu-toggle:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: scale(1.05);
}

.menu-toggle.active {
    background: rgba(255, 255, 255, 0.2);
    transform: rotate(90deg);
}

/* RESPONSIVIDADE MOBILE */
@media (max-width: 768px) {
    body {
        padding: 5px;
    }
    
    .nav-container {
        height: 80px;
        padding: 0 15px;
    }
    
    /* Mostrar botão do menu */
    .menu-toggle {
        display: block !important;
    }
    
    /* Trocar logos */
    .logo-desktop {
        display: none !important;
    }
    
    .logo-mobile {
        display: block !important;
    }
    
    /* Menu mobile - inicialmente escondido */
    .nav-menu {
        position: fixed !important;
        top: 80px !important;
        left: 0 !important;
        width: 100% !important;
        height: calc(100vh - 80px) !important;
        background: linear-gradient(180deg, #c994f0 0%, #72039c 100%) !important;
        backdrop-filter: blur(20px) !important;
        flex-direction: column !important;
        justify-content: flex-start !important;
        align-items: center !important;
        padding: 2rem 0 !important;
        transform: translateX(-100%) !important;
        transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3) !important;
        z-index: 1000 !important;
        gap: 0 !important;
        overflow-y: auto !important;
    }
    
    /* Menu ativo (visível) */
    .nav-menu.active {
        transform: translateX(0) !important;
    }
    
    /* Items do menu mobile */
    .nav-item {
        width: 90% !important;
        margin: 0.5rem 0 !important;
    }
    
    .nav-item a {
        display: flex !important;
        align-items: center !important;
        justify-content: center !important;
        width: 100% !important;
        padding: 1rem 2rem !important;
        border-radius: 12px !important;
        font-size: 1.1rem !important;
        font-weight: 600 !important;
        background: rgba(255, 255, 255, 0.1) !important;
        border: 1px solid rgba(255, 255, 255, 0.2) !important;
        backdrop-filter: blur(10px) !important;
        transition: all 0.3s ease !important;
        margin: 0 !important;
        color: white !important;
        transform: none !important;
    }
    
    .nav-item a:hover,
    .nav-item a.active {
        background: rgba(255, 255, 255, 0.2) !important;
        transform: translateY(-2px) !important;
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2) !important;
    }
    
    .nav-item a::before {
        display: none !important;
    }
    
    /* Animação de entrada dos items */
    .nav-menu.active .nav-item {
        animation: slideInFromLeft 0.3s ease-out forwards;
    }
    
    .nav-menu.active .nav-item:nth-child(1) { animation-delay: 0.1s; }
    .nav-menu.active .nav-item:nth-child(2) { animation-delay: 0.2s; }
    .nav-menu.active .nav-item:nth-child(3) { animation-delay: 0.3s; }
    .nav-menu.active .nav-item:nth-child(4) { animation-delay: 0.4s; }
    .nav-menu.active .nav-item:nth-child(5) { animation-delay: 0.5s; }
    .nav-menu.active .nav-item:nth-child(6) { animation-delay: 0.6s; }
}

/* Para telas muito pequenas */
@media (max-width: 480px) {
    .nav-menu {
        padding: 1.5rem 0 !important;
    }
    
    .nav-item {
        width: 95% !important;
        margin: 0.3rem 0 !important;
    }
    
    .nav-item a {
        padding: 0.8rem 1.5rem !important;
        font-size: 1rem !important;
    }
}

/* Animações */
@keyframes slideInFromLeft {
    0% {
        opacity: 0;
        transform: translateX(-30px);
    }
    100% {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Variantes do menu */
.variant-2 .nav-item a {
    border: 2px solid transparent;
    background: #f1f5f9;
}

.variant-2 .nav-item a:hover {
    border-color: var(--primary);
    background: white;
    color: var(--primary);
}

.variant-2 .nav-item a.active {
    border-color: var(--primary);
    background: var(--primary);
    color: white;
}

.variant-3 .nav-item a {
    background: transparent;
    position: relative;
}

.variant-3 .nav-item a::after {
    content: '';
    position: absolute;
    bottom: 8px;
    left: 50%;
    transform: translateX(-50%) scaleX(0);
    width: calc(100% - 2rem);
    height: 3px;
    background: var(--primary);
    border-radius: 3px;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.variant-3 .nav-item a:hover::after,
.variant-3 .nav-item a.active::after {
    transform: translateX(-50%) scaleX(1);
}

.variant-3 .nav-item a:hover,
.variant-3 .nav-item a.active {
    color: var(--primary);
}

.info-box {
    background: #f0f9ff;
    border: 1px solid #bfdbfe;
    border-radius: 8px;
    padding: 1rem;
    margin: 1rem 0;
    font-size: 0.9rem;
    color: #1e40af;
}

/* Botão de voltar ao topo */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background-color: var(--primary);
    color: white;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    text-decoration: none;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all 0.3s ease;
    z-index: 1000;
}

.back-to-top:hover {
    background-color: var(--primary-dark);
    transform: translateY(0) scale(1.05);
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.25);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top i {
    font-size: 1.2rem;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-5px);
    }
    60% {
        transform: translateY(-3px);
    }
}

/* Responsividade para o botão de voltar ao topo */
@media (max-width: 768px) {
    .back-to-top {
        width: 45px;
        height: 45px;
        bottom: 20px;
        right: 20px;
    }
}

@media (max-width: 480px) {
    .back-to-top {
        width: 40px;
        height: 40px;
        bottom: 15px;
        right: 15px;
    }
    
    .back-to-top i {
        font-size: 1rem;
    }
}

/* Ajustes para navegação suave */
html {
    scroll-behavior: smooth;
}