/**
 * CSS para Rolagem Suave
 * 
 * Este arquivo contém estilos específicos para implementar
 * rolagem suave em todo o site Acellere
 */

/* ===== ROLAGEM SUAVE GLOBAL ===== */
html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px; /* Ajusta para o header fixo */
}

/* Rolagem suave para links com âncora */
a[href^="#"] {
    scroll-behavior: smooth;
    transition: all 0.3s ease;
}

a[href^="#"]:hover {
    transform: translateY(-1px);
}

/* Rolagem suave para elementos com ID */
*[id] {
    scroll-margin-top: 80px; /* Ajusta para o header fixo */
}

/* Rolagem suave para elementos com name */
*[name] {
    scroll-margin-top: 80px; /* Ajusta para o header fixo */
}

/* Rolagem suave para seções da página */
section {
    scroll-margin-top: 80px;
}

/* Rolagem suave para botões que fazem scroll */
.smooth-scroll {
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.smooth-scroll::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
}

.smooth-scroll:hover::before {
    left: 100%;
}

.smooth-scroll:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

/* Animação suave para elementos que aparecem no scroll */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Animação slide-in da esquerda */
.slide-in-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.slide-in-left.visible {
    opacity: 1;
    transform: translateX(0);
}

/* Animação slide-in da direita */
.slide-in-right {
    opacity: 0;
    transform: translateX(50px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.slide-in-right.visible {
    opacity: 1;
    transform: translateX(0);
}

/* Animação zoom-in */
.zoom-in {
    opacity: 0;
    transform: scale(0.8);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.zoom-in.visible {
    opacity: 1;
    transform: scale(1);
}

/* Botão "Voltar ao topo" */
#scroll-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background-color: var(--accent-color, #e58b73);
    color: white;
    padding: 0.75rem;
    border-radius: 50%;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    opacity: 0;
    pointer-events: none;
    transition: all 0.3s ease;
    z-index: 50;
    border: none;
    cursor: pointer;
    font-size: 1.2rem;
    width: 3rem;
    height: 3rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

#scroll-to-top:hover {
    background-color: var(--accent-color, #e58b73);
    opacity: 0.9;
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0,0,0,0.2);
}

#scroll-to-top.visible {
    opacity: 1;
    pointer-events: auto;
}

/* Indicador de progresso do scroll */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-color, #e58b73), var(--accent-color, #e58b73));
    z-index: 1000;
    transition: width 0.1s ease;
}

/* ===== RESPONSIVIDADE ===== */
@media (max-width: 768px) {
    html {
        scroll-padding-top: 60px; /* Ajusta para o header mobile */
    }
    
    *[id], *[name] {
        scroll-margin-top: 60px; /* Ajusta para o header mobile */
    }
    
    section {
        scroll-margin-top: 60px;
    }
    
    #scroll-to-top {
        bottom: 1.5rem;
        right: 1.5rem;
        width: 2.5rem;
        height: 2.5rem;
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    #scroll-to-top {
        bottom: 1rem;
        right: 1rem;
        width: 2.25rem;
        height: 2.25rem;
        font-size: 0.9rem;
    }
}

/* ===== MELHORIAS DE ACESSIBILIDADE ===== */
@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }
    
    .fade-in,
    .slide-in-left,
    .slide-in-right,
    .zoom-in {
        transition: none;
        opacity: 1;
        transform: none;
    }
    
    .smooth-scroll:hover {
        transform: none;
    }
    
    #scroll-to-top:hover {
        transform: none;
    }
}

/* ===== ESTILOS PARA LINKS DE NAVEGAÇÃO INTERNA ===== */
.internal-nav-link {
    position: relative;
    transition: all 0.3s ease;
}

.internal-nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--accent-color, #e58b73);
    transition: width 0.3s ease;
}

.internal-nav-link:hover::after {
    width: 100%;
}

/* ===== ESTILOS PARA BOTÕES DE CALL-TO-ACTION ===== */
.cta-smooth-scroll {
    background: linear-gradient(135deg, var(--accent-color, #e58b73), var(--accent-color, #e58b73));
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    display: inline-block;
    position: relative;
    overflow: hidden;
}

.cta-smooth-scroll::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
}

.cta-smooth-scroll:hover::before {
    left: 100%;
}

.cta-smooth-scroll:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

/* ===== ESTILOS PARA ÍNDICE DE CONTEÚDO ===== */
.table-of-contents {
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(10px);
    border-radius: 0.5rem;
    padding: 1.5rem;
    margin: 2rem 0;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.table-of-contents ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.table-of-contents li {
    margin: 0.5rem 0;
}

.table-of-contents a {
    color: var(--text-color, #5c6c70);
    text-decoration: none;
    transition: all 0.3s ease;
    display: block;
    padding: 0.5rem;
    border-radius: 0.25rem;
}

.table-of-contents a:hover {
    color: var(--accent-color, #e58b73);
    background-color: rgba(229, 139, 115, 0.1);
    transform: translateX(5px);
}

/* ===== ESTILOS PARA SEÇÕES COM ANIMAÇÃO ===== */
.animated-section {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.8s ease;
}

.animated-section.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ===== ESTILOS PARA CARDS COM HOVER ===== */
.card-smooth {
    transition: all 0.3s ease;
    border-radius: 0.5rem;
    overflow: hidden;
}

.card-smooth:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

/* ===== ESTILOS PARA IMAGENS COM LAZY LOADING ===== */
.lazy-image {
    opacity: 0;
    transition: opacity 0.5s ease;
}

.lazy-image.loaded {
    opacity: 1;
}

/* ===== ESTILOS PARA LOADING STATES ===== */
.loading-skeleton {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
}

@keyframes loading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}