/**
 * Custom CSS - LABAT Construtora
 * Estilos que o Tailwind CDN não cobre
 */

/* Smooth scroll */
html {
    scroll-behavior: smooth;
}

/* Navbar transition */
#main-nav {
    background-color: rgba(255, 255, 255, 0);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0);
    transition: background-color 0.5s ease, box-shadow 0.5s ease;
}

/* Navbar scrolled: fundo branco com fade-in */
#main-nav.nav-scrolled {
    background-color: rgba(255, 255, 255, 1);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
}

/* Links ficam cinza ao scrollar */
#main-nav .nav-link {
    transition: color 0.5s ease;
}
#main-nav.nav-scrolled .nav-link {
    color: #4A4A4A;
}
#main-nav.nav-scrolled .nav-link:hover {
    color: #C0392B;
}

/* Texto da logo fallback fica escuro ao scrollar */
#main-nav .nav-logo-text,
#main-nav .nav-logo-sub {
    transition: color 0.5s ease;
}
#main-nav.nav-scrolled .nav-logo-text {
    color: #2D2D2D;
}
#main-nav.nav-scrolled .nav-logo-sub {
    color: #4A4A4A;
}

/* Hamburger fica escuro ao scrollar */
#main-nav #mobile-menu-btn {
    transition: color 0.5s ease;
}
#main-nav.nav-scrolled #mobile-menu-btn {
    color: #2D2D2D;
}

/* Logo img: branca no topo, cores originais ao scrollar */
#main-nav .nav-logo-img {
    filter: brightness(0) invert(1);
    transition: filter 0.5s ease;
}
#main-nav.nav-scrolled .nav-logo-img {
    filter: none;
}

/* Mobile menu acompanha o estado scrolled */
#main-nav #mobile-menu {
    transition: background-color 0.5s ease, border-color 0.5s ease;
}
#main-nav.nav-scrolled #mobile-menu {
    background-color: #ffffff;
    border-color: #e5e7eb;
}
#main-nav #mobile-menu a {
    transition: color 0.5s ease;
}
#main-nav.nav-scrolled #mobile-menu a {
    color: #4A4A4A;
}
#main-nav.nav-scrolled #mobile-menu a:hover {
    color: #C0392B;
}

/* Gradient overlay transition (acompanha scroll do nav) */
#nav-gradient {
    transition: opacity 0.5s ease;
}

/* Fade-in on scroll */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}
.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Respeitar preferência de redução de movimento */
@media (prefers-reduced-motion: reduce) {
    .fade-in {
        opacity: 1;
        transform: none;
        transition: none;
    }
}

/* Lightbox */
#lightbox img {
    transition: opacity 0.3s ease;
}

/* Progress bar animation */
.progress-bar {
    transition: width 1s ease-out;
}

/* Hide scrollbar on horizontal scroll containers */
.overflow-x-auto::-webkit-scrollbar {
    height: 4px;
}
.overflow-x-auto::-webkit-scrollbar-track {
    background: transparent;
}
.overflow-x-auto::-webkit-scrollbar-thumb {
    background: #ddd;
    border-radius: 2px;
}

/* Image hover zoom */
.gallery-item img {
    transition: transform 0.5s ease;
}
.gallery-item:hover img {
    transform: scale(1.05);
}

/* Range slider custom (admin) */
.estagio-range {
    height: 8px;
    border-radius: 9999px;
    outline: none;
}

.estagio-range::-webkit-slider-runnable-track {
    height: 8px;
    border-radius: 9999px;
    background: transparent;
}

.estagio-range::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: #C0392B;
    cursor: pointer;
    border: 2px solid white;
    box-shadow: 0 1px 4px rgba(0,0,0,0.25);
    margin-top: -6px;
}

.estagio-range::-moz-range-track {
    height: 8px;
    border-radius: 9999px;
    background: transparent;
}

.estagio-range::-moz-range-thumb {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: #C0392B;
    cursor: pointer;
    border: 2px solid white;
    box-shadow: 0 1px 4px rgba(0,0,0,0.25);
}

/* Print */
@media print {
    nav, footer, .no-print, #lightbox {
        display: none !important;
    }
    body {
        font-size: 12pt;
        color: #000;
    }
}