/* ========================================================================= */
/*                          Header Push-Canvas                              */
/* ========================================================================= */

/* Skip link para acessibilidade */
.skip-link {
    position: absolute;
    top: -40px;
    left: 6px;
    background: var(--primary-color);
    color: #fff;
    padding: 8px;
    text-decoration: none;
    border-radius: 0 0 4px 4px;
    z-index: 10000;
    font-weight: 600;
    transition: top .3s;
}

.skip-link:focus {
    top: 0;
}

/* Container principal para push-canvas */
.page-wrapper {
    position: relative;
    min-height: 100vh;
    transition: transform 0.3s ease;
    background: #fff;
}

/* Quando menu está aberto, empurra o conteúdo */
body.nav-open .page-wrapper {
    transform: translateX(280px);
}

/* Header principal ------------------------------------------------------- */
.main-header {
    width: 100%;
    background: linear-gradient(135deg, var(--secondary-color) 0%, var(--primary-color) 100%);
    color: #fff;
    padding: 20px 0;
    box-shadow: var(--shadow-medium);
    position: relative;
    overflow: hidden;
    min-height: var(--header-height);
    z-index: 100;
}

.main-header::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 100" fill="rgba(255,255,255,0.05)"><path d="M0,0 C300,50 700,50 1000,0 L1000,100 L0,100 Z"/></svg>') no-repeat bottom;
    background-size: cover;
}

.main-header .container {
    position: relative;
    z-index: 1;
    min-height: 60px;
}

/* Shrink on scroll */
.main-header.header-scrolled {
    background: linear-gradient(135deg, rgba(0, 51, 102, .95) 0%, rgba(102, 187, 68, .95) 100%);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, .15);
}

.main-header.header-scrolled::before {
    opacity: .7;
}

/* Layout interno */
.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.logo {
    display: flex;
    align-items: center;
    gap: 15px;
    flex-shrink: 0;
}

.logo img {
    max-height: 60px;
    width: auto;
    height: auto;
    filter: brightness(1.1);
    transition: var(--transition);
}

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

/* --------------------------- Navegação desktop -------------------------- */
.main-nav {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 30px;
    flex: 1;
    max-width: calc(100% - 200px);
    overflow: hidden;
}

.menu {
    display: flex;
    gap: 25px;
    list-style: none;
    margin: 0;
    padding: 0;
    align-items: center;
}

.menu li a {
    color: #fff;
    text-decoration: none;
    font-weight: 500;
    padding: 8px 16px;
    font-size: .9rem;
    border-radius: var(--border-radius);
    transition: var(--transition);
    position: relative;
    white-space: nowrap;
}

.menu li a:hover {
    background: rgba(255, 255, 255, .1);
    transform: translateY(-2px);
}

.menu li a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--accent-color);
    transition: var(--transition);
    transform: translateX(-50%);
}

.menu li a:hover::after {
    width: 80%;
}

.menu li a.ativo {
    font-weight: 700;
    color: var(--accent-color);
}

.menu li a.ativo::after {
    width: 60%;
}

/* Redes sociais */
.redes {
    display: flex;
    gap: 15px;
    list-style: none;
    margin: 0;
    padding: 0;
    align-items: center;
}

.redes li a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, .1);
    transition: var(--transition);
}

.redes li a:hover {
    background: rgba(255, 255, 255, .2);
    transform: translateY(-2px);
}

.redes li a img {
    width: 20px;
    height: 20px;
}

/* --------------------------- Botão hambúrguer --------------------------- */
.burger {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 44px;
    height: 44px;
    background: transparent;
    border: none;
    cursor: pointer;
    z-index: 1300;
    position: relative;
    color: #fff;
}

.burger span {
    display: block;
    width: 28px;
    height: 3px;
    background: currentColor;
    margin: 4px 0;
    border-radius: 2px;
    transition: transform 0.3s ease, opacity 0.3s ease;
}

.burger:focus {
    outline: 2px solid var(--accent-color);
    outline-offset: 2px;
}

.burger:hover span {
    background: var(--accent-color);
}

/* Animação X quando menu aberto */
body.nav-open .burger span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

body.nav-open .burger span:nth-child(2) {
    opacity: 0;
}

body.nav-open .burger span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* --------------------------- Menu Push-Canvas --------------------------- */

/* Menu lateral fixo */
.push-canvas-menu {
    position: fixed;
    top: 0;
    left: -280px;
    width: 280px;
    height: 100vh;
    background: linear-gradient(135deg, var(--secondary-color) 0%, var(--primary-color) 100%);
    z-index: 1200;
    transition: left 0.3s ease;
    overflow-y: auto;
    box-shadow: 2px 0 10px rgba(0, 0, 0, 0.1);
}

/* Menu visível quando nav-open */
body.nav-open .push-canvas-menu {
    left: 0;
}

/* Conteúdo do menu */
.push-canvas-content {
    padding: 80px 0 30px;
    height: 100%;
    display: flex;
    flex-direction: column;
}

/* Logo no menu */
.push-canvas-logo {
    padding: 0 30px 30px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    margin-bottom: 30px;
}

.push-canvas-logo img {
    max-height: 50px;
    width: auto;
    filter: brightness(1.1);
}

/* Menu items */
.push-canvas-nav {
    flex: 1;
}

.push-canvas-menu .menu {
    flex-direction: column;
    gap: 0;
    padding: 0;
}

.push-canvas-menu .menu li {
    width: 100%;
    border-bottom: 1px solid rgba(255, 255, 255, .1);
}

.push-canvas-menu .menu li:last-child {
    border-bottom: none;
}

.push-canvas-menu .menu li a {
    display: block;
    padding: 18px 30px;
    font-size: 1.1rem;
    font-weight: 500;
    color: #fff;
    text-decoration: none;
    border-radius: 0;
    transition: all 0.3s ease;
    position: relative;
}

.push-canvas-menu .menu li a:hover {
    background: rgba(255, 255, 255, .1);
    padding-left: 40px;
    transform: none;
}

.push-canvas-menu .menu li a.ativo {
    background: rgba(255, 255, 255, .15);
    color: var(--accent-color);
    font-weight: 600;
}

.push-canvas-menu .menu li a::after {
    display: none;
}

/* Redes sociais no menu */
.push-canvas-social {
    padding: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    margin-top: auto;
}

.push-canvas-menu .redes {
    justify-content: center;
    gap: 20px;
}

.push-canvas-menu .redes li a {
    width: 45px;
    height: 45px;
    background: rgba(255, 255, 255, .15);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.push-canvas-menu .redes li a:hover {
    background: rgba(255, 255, 255, .25);
    transform: scale(1.1);
}

.push-canvas-menu .redes li a img {
    width: 22px;
    height: 22px;
}

/* Overlay escuro */
.push-canvas-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1100;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

body.nav-open .push-canvas-overlay {
    opacity: 1;
    visibility: visible;
}

/* --------------------------- Responsividade --------------------------- */

/* ===== TABLET E MOBILE (1024px e abaixo) ===== */
@media (max-width: 1024px) {
    :root {
        --header-height: 90px;
    }

    /* Exibe o botão hambúrguer */
    .burger {
        display: flex;
    }

    /* Esconde navegação horizontal por padrão */
    .main-nav {
        display: none;
    }

    /* Ajustes de layout */
    .main-header .container {
        padding: 0 15px;
        min-height: 50px;
    }

    .logo img {
        max-height: 50px;
    }

    /* Ajuste do push para mobile */
    body.nav-open .page-wrapper {
        transform: translateX(280px);
    }
}

/* ===== MOBILE (768px e abaixo) ===== */
@media (max-width: 768px) {

    /* Menu mais estreito em telas pequenas */
    .push-canvas-menu {
        width: 260px;
        left: -260px;
    }

    body.nav-open .page-wrapper {
        transform: translateX(260px);
    }

    body.nav-open .push-canvas-menu {
        left: 0;
    }

    .push-canvas-menu .menu li a {
        font-size: 1rem;
        padding: 15px 25px;
    }

    .push-canvas-menu .menu li a:hover {
        padding-left: 35px;
    }

    .push-canvas-social {
        padding: 25px;
    }

    .push-canvas-menu .redes {
        gap: 15px;
    }

    .push-canvas-menu .redes li a {
        width: 40px;
        height: 40px;
    }

    .push-canvas-menu .redes li a img {
        width: 20px;
        height: 20px;
    }
}

/* ===== DESKTOP MÉDIO (1200px e abaixo) ===== */
@media (max-width: 1200px) {
    .main-nav {
        max-width: calc(100% - 160px);
        gap: 25px;
    }

    .menu {
        gap: 20px;
    }

    .menu li a {
        padding: 8px 14px;
        font-size: .9rem;
    }
}

/* ===== MOBILE EXTRA PEQUENO (480px e abaixo) ===== */
@media (max-width: 480px) {
    :root {
        --header-height: 70px;
    }

    .main-header {
        padding: 10px 0;
    }

    .main-header .container {
        padding: 0 10px;
    }

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

    /* Menu ainda mais estreito */
    .push-canvas-menu {
        width: 240px;
        left: -240px;
    }

    body.nav-open .page-wrapper {
        transform: translateX(240px);
    }

    body.nav-open .push-canvas-menu {
        left: 0;
    }

    .push-canvas-menu .menu li a {
        font-size: 0.95rem;
        padding: 14px 20px;
    }

    .push-canvas-menu .menu li a:hover {
        padding-left: 30px;
    }

    .push-canvas-social {
        padding: 20px;
    }
}

/* --------------------------- Animações --------------------------- */

/* Animação suave para o conteúdo */
.page-wrapper {
    will-change: transform;
}

/* Animação para itens do menu */
.push-canvas-menu .menu li {
    opacity: 0;
    transform: translateX(-20px);
    transition: opacity 0.3s ease, transform 0.3s ease;
}

body.nav-open .push-canvas-menu .menu li {
    opacity: 1;
    transform: translateX(0);
}

body.nav-open .push-canvas-menu .menu li:nth-child(1) {
    transition-delay: 0.1s;
}

body.nav-open .push-canvas-menu .menu li:nth-child(2) {
    transition-delay: 0.15s;
}

body.nav-open .push-canvas-menu .menu li:nth-child(3) {
    transition-delay: 0.2s;
}

body.nav-open .push-canvas-menu .menu li:nth-child(4) {
    transition-delay: 0.25s;
}

body.nav-open .push-canvas-menu .menu li:nth-child(5) {
    transition-delay: 0.3s;
}

body.nav-open .push-canvas-menu .menu li:nth-child(6) {
    transition-delay: 0.35s;
}

/* Animação para redes sociais */
.push-canvas-social {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.3s ease, transform 0.3s ease;
}

body.nav-open .push-canvas-social {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.4s;
}