/* ===== RESET E CONFIGURAÇÕES BÁSICAS ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Paleta de cores moderna - inspirada em Mocha Mousse 2025 */
    --primary-color: #8B4513;
    --primary-light: #A0522D;
    --primary-dark: #654321;
    --secondary-color: #D2691E;
    --accent-color: #FF8C00;
    --accent-light: #FFA500;

    /* Cores neutras */
    --white: #FFFFFF;
    --light-gray: #F8F9FA;
    --medium-gray: #6C757D;
    --dark-gray: #343A40;
    --black: #212529;

    /* Header: controle de logo */
    --header-logo-h-desktop: 120px; /* ajuste aqui o tamanho do logo no desktop */
    --header-logo-h-mobile: 80px;   /* ajuste aqui o tamanho do logo no mobile */

    /* Cores de status */
    --success: #28A745;
    --warning: #FFC107;
    --error: #DC3545;
    --info: #17A2B8;

    /* Tipografia */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-secondary: 'Playfair Display', Georgia, serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

    /* Tamanhos de fonte */
    --font-xs: 0.75rem;
    --font-sm: 0.875rem;
    --font-base: 1rem;
    --font-lg: 1.125rem;
    --font-xl: 1.25rem;
    --font-2xl: 1.5rem;
    --font-3xl: 1.875rem;
    --font-4xl: 2.25rem;
    --font-5xl: 3rem;

    /* Espaçamentos */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;

    /* Sombras */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);

    /* Bordas */
    --radius-sm: 0.25rem;
    --radius-md: 0.375rem;
    --radius-lg: 0.5rem;
    --radius-xl: 0.75rem;
    --radius-2xl: 1rem;

    /* Transições */
    --transition-fast: 0.15s ease-in-out;
    --transition-normal: 0.3s ease-in-out;
    --transition-slow: 0.5s ease-in-out;

    /* Z-index */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
}

/* Modo escuro */
[data-theme="dark"] {
    --white: #1A1A1A;
    --light-gray: #2D2D2D;
    --medium-gray: #A0A0A0;
    --dark-gray: #E0E0E0;
    --black: #FFFFFF;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-primary);
    font-size: var(--font-base);
    line-height: 1.6;
    color: var(--black);
    background-color: var(--white);
    overflow-x: hidden;
}

/* ===== UTILITÁRIOS ===== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

.container-fluid {
    width: 100%;
    padding: 0 var(--space-md);
}

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.d-none { display: none; }
.d-block { display: block; }
.d-flex { display: flex; }
.d-grid { display: grid; }

.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.justify-around { justify-content: space-around; }

.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.items-end { align-items: flex-end; }

.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }

.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.gap-lg { gap: var(--space-lg); }

.mb-0 { margin-bottom: 0; }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }

.mt-0 { margin-top: 0; }
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }

/* ===== TIPOGRAFIA ===== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-secondary);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--space-md);
    color: var(--primary-dark);
}

h1 { font-size: var(--font-5xl); }
h2 { font-size: var(--font-4xl); }
h3 { font-size: var(--font-3xl); }
h4 { font-size: var(--font-2xl); }
h5 { font-size: var(--font-xl); }
h6 { font-size: var(--font-lg); }

p {
    margin-bottom: var(--space-md);
    color: var(--medium-gray);
}

/* link genérico (NÃO afeta botões nem nav) */
a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color var(--transition-fast);
}
a:hover { color: var(--primary-dark); }
/* proteção: âncoras que são botões mantêm a própria cor */
a.btn,
a.btn:hover,
a.btn:visited { color: inherit; text-decoration: none; }

/* ===== BOTÕES ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-lg);
    font-family: var(--font-primary);
    font-size: var(--font-base);
    font-weight: 600;
    text-decoration: none;
    border: 2px solid transparent;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    color: inherit; /* herda, mas variantes definem a cor explicitamente */
}

.btn: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 var(--transition-slow);
}
.btn:hover:before { left: 100%; }

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: var(--white) !important; /* garante contraste */
    box-shadow: var(--shadow-md);
}
.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-color));
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    color: var(--white) !important;
}

.btn-secondary {
    background: transparent;
    color: var(--primary-color) !important;
    border-color: var(--primary-color);
}
.btn-secondary:hover {
    background: var(--primary-color);
    color: var(--white) !important;
}

.btn-accent {
    background: linear-gradient(135deg, var(--accent-color), var(--accent-light));
    color: var(--white) !important;
}
.btn-accent:hover {
    background: linear-gradient(135deg, var(--secondary-color), var(--accent-color));
    color: var(--white) !important;
}

/* ===== HEADER (BARRA PRETA + LOGO MAIOR) ===== */
.header {
    background: #0b0d17; /* barra preta */
    box-shadow: var(--shadow-md);
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: var(--z-fixed);
    transition: all var(--transition-normal);
}
.header.scrolled {
    background: #0b0d17; /* mantém preta ao rolar */
    backdrop-filter: blur(10px);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-lg);
    padding: .5rem 0;
    min-height: calc(var(--header-logo-h-desktop) + 12px);
}
@media (max-width: 768px){
    .header-content{
        min-height: calc(var(--header-logo-h-mobile) + 10px);
        padding: .35rem 0;
    }
}

.logo { flex-shrink: 0; }
.logo-img {
    height: var(--header-logo-h-desktop);
    width: auto;
    transition: transform var(--transition-normal), height var(--transition-normal);
}
.logo:hover .logo-img { transform: scale(1.04); }
@media (max-width: 768px){
    .logo-img { height: var(--header-logo-h-mobile); }
}
.header.scrolled .logo-img{ height: calc(var(--header-logo-h-desktop) * .85); }
@media (max-width: 768px){
    .header.scrolled .logo-img{ height: calc(var(--header-logo-h-mobile) * .9); }
}

/* ===== NAVEGAÇÃO (escopo no header para não afetar botões) ===== */
.main-nav { flex: 1; display: flex; justify-content: center; }
.nav-list { display: flex; list-style: none; gap: var(--space-xl); margin: 0; padding: 0; }

/* Links do menu SEMPRE brancos quando não selecionados */
.header .nav-link,
.header .nav-link:link,
.header .nav-link:visited{
    color: #fff !important;               /* não mexe nos botões */
    font-weight: 600;
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
    position: relative;
    text-decoration: none;
}

/* underline animado opcional */
.header .nav-link:before {
    content: '';
    position: absolute;
    bottom: -2px; left: 50%;
    width: 0; height: 2px;
    background: var(--accent-color);
    transition: all var(--transition-normal);
    transform: translateX(-50%);
}

/* Hover/ativo com realce, mas mantendo contexto dark */
.header .nav-link:hover,
.header .nav-link.active {
    color: var(--accent-light) !important;
    background: rgba(255,255,255,.06);
}
.header .nav-link:hover:before,
.header .nav-link.active:before { width: 80%; }

/* Barra de pesquisa (tema escuro) */
.search-container { position: relative; }
.search-form {
    display: flex; align-items: center;
    background: rgba(255,255,255,.12);
    border-radius: var(--radius-xl);
    padding: var(--space-xs);
    transition: all var(--transition-normal);
}
.search-form:focus-within { background: rgba(255,255,255,.18); box-shadow: var(--shadow-md); }
.search-input {
    border: none; background: transparent;
    padding: var(--space-sm) var(--space-md);
    font-size: var(--font-sm);
    color: var(--white);
    width: 200px;
    transition: width var(--transition-normal);
}
.search-input:focus { outline: none; width: 250px; }
.search-input::placeholder { color: rgba(255,255,255,.7); }
.search-btn {
    background: var(--primary-color);
    border: none; border-radius: 50%;
    width: 36px; height: 36px;
    display: flex; align-items: center; justify-content: center;
    color: var(--white);
    cursor: pointer;
    transition: all var(--transition-normal);
}
.search-btn:hover { background: var(--primary-dark); transform: scale(1.1); }

/* Seletor de idiomas (tema escuro) */
.language-selector { position: relative; }
.lang-btn {
    display: flex; align-items: center; gap: var(--space-xs);
    background: transparent;
    border: 1px solid rgba(255,255,255,.35);
    border-radius: var(--radius-md);
    padding: var(--space-sm);
    cursor: pointer;
    transition: all var(--transition-normal);
    color: var(--white);
}
.lang-btn:hover { border-color: var(--accent-light); background: rgba(255,255,255,.08); }
.flag-icon { width: 20px; height: 15px; object-fit: cover; border-radius: var(--radius-sm); }
.lang-dropdown {
    position: absolute; top: 100%; right: 0;
    background: var(--white);
    border: 1px solid var(--light-gray);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    min-width: 150px;
    opacity: 0; visibility: hidden; transform: translateY(-10px);
    transition: all var(--transition-normal);
    z-index: var(--z-dropdown);
}
.language-selector:hover .lang-dropdown { opacity: 1; visibility: visible; transform: translateY(0); }
.lang-option {
    display: flex; align-items: center; gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    color: var(--dark-gray);
    transition: all var(--transition-fast);
}
.lang-option:hover { background: var(--light-gray); color: var(--primary-color); }

/* Menu mobile (hambúrguer branco) */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: var(--space-sm);
}
.hamburger-line {
    width: 25px; height: 3px;
    background: var(--white); /* contraste na barra preta */
    border-radius: 2px;
    transition: all var(--transition-normal);
}
.mobile-menu-toggle.active .hamburger-line:nth-child(1) { transform: rotate(45deg) translate(6px, 6px); }
.mobile-menu-toggle.active .hamburger-line:nth-child(2) { opacity: 0; }
.mobile-menu-toggle.active .hamburger-line:nth-child(3) { transform: rotate(-45deg) translate(6px, -6px); }

.mobile-overlay {
    position: fixed; inset: 0;
    background: rgba(0, 0, 0, 0.5);
    opacity: 0; visibility: hidden;
    transition: all var(--transition-normal);
    z-index: var(--z-modal-backdrop);
}
.mobile-overlay.active { opacity: 1; visibility: visible; }

/* ===== MAIN CONTENT (ajuste automático pela altura do header/logo) ===== */
.main-content{
    margin-top: calc(var(--header-logo-h-desktop) + 16px);
    min-height: calc(100vh - (var(--header-logo-h-desktop) + 16px));
}
@media (max-width: 768px){
    .main-content{
        margin-top: calc(var(--header-logo-h-mobile) + 14px);
        min-height: calc(100vh - (var(--header-logo-h-mobile) + 14px));
    }
}

/* ===== SEÇÕES GERAIS ===== */
.section { padding: var(--space-3xl) 0; }
.section-title {
    text-align: center;
    margin-bottom: var(--space-2xl);
    position: relative;
}
.section-title:after {
    content: '';
    position: absolute;
    bottom: -10px; left: 50%;
    transform: translateX(-50%);
    width: 60px; height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    border-radius: 2px;
}

/* ===== CARDS ===== */
.card {
    background: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    transition: all var(--transition-normal);
    position: relative;
}
.card:hover { transform: translateY(-5px); box-shadow: var(--shadow-xl); }
.card-header {
    padding: var(--space-lg);
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: var(--white);
}
.card-body { padding: var(--space-lg); }
.card-footer {
    padding: var(--space-lg);
    background: var(--light-gray);
    border-top: 1px solid rgba(0, 0, 0, 0.1);
}

/* ===== FOOTER ===== */
.footer {
    background: linear-gradient(135deg, var(--primary-dark), var(--black));
    color: var(--white);
    padding: var(--space-3xl) 0 var(--space-lg);
}
.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-2xl);
    margin-bottom: var(--space-2xl);
}
.footer-section h3 {
    color: var(--white);
    margin-bottom: var(--space-lg);
    font-size: var(--font-xl);
}
.footer-logo-img { height: 40px; width: auto; margin-bottom: var(--space-md); }
.company-description { color: rgba(255, 255, 255, 0.8); line-height: 1.6; margin-bottom: var(--space-md); }
.certification { color: var(--accent-light); font-weight: 600; }

.footer-links { list-style: none; }
.footer-links li { margin-bottom: var(--space-sm); }
.footer-links a { color: rgba(255, 255, 255, 0.8); transition: color var(--transition-fast); }
.footer-links a:hover { color: var(--accent-light); }

.contact-item {
    display: flex; align-items: center; gap: var(--space-sm);
    margin-bottom: var(--space-md);
    color: rgba(255, 255, 255, 0.8);
}
.contact-item svg { flex-shrink: 0; color: var(--accent-light); }
.contact-item a { color: rgba(255, 255, 255, 0.8); }
.contact-item a:hover { color: var(--accent-light); }

.social-section { text-align: center; margin-bottom: var(--space-xl); }
.social-title { color: var(--white); margin-bottom: var(--space-lg); }
.social-links { display: flex; justify-content: center; gap: var(--space-md); }
.social-link {
    display: flex; align-items: center; justify-content: center;
    width: 50px; height: 50px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: var(--white);
    transition: all var(--transition-normal);
}
.social-link:hover { background: var(--accent-color); transform: translateY(-3px); color: var(--white); }

.footer-bottom {
    display: flex; justify-content: space-between; align-items: center;
    padding-top: var(--space-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    color: rgba(255, 255, 255, 0.6);
    font-size: var(--font-sm);
}

/* ===== RESPONSIVIDADE ===== */
@media (max-width: 1024px) {
    .container { padding: 0 var(--space-lg); }
    .search-input { width: 150px; }
    .search-input:focus { width: 180px; }
}

@media (max-width: 768px) {
    :root {
        --font-5xl: 2.5rem;
        --font-4xl: 2rem;
        --font-3xl: 1.75rem;
    }

    .header-content { padding: .35rem 0; }

    .main-nav,
    .search-container,
    .language-selector { display: none; }

    .mobile-menu-toggle { display: flex; }

    .main-nav.mobile-active {
        display: block;
        position: fixed;
        top: calc(var(--header-logo-h-mobile) + 10px);
        left: 0; right: 0;
        background: #0b0d17; /* menu aberto também escuro */
        box-shadow: var(--shadow-lg);
        z-index: var(--z-modal);
        padding: var(--space-lg);
    }
    .main-nav.mobile-active .nav-list { flex-direction: column; gap: var(--space-md); }
    .main-nav.mobile-active .nav-link {
        display: block; padding: var(--space-md);
        border-bottom: 1px solid rgba(255,255,255,.12);
    }

    .footer-content { grid-template-columns: 1fr; gap: var(--space-xl); }
    .footer-bottom { flex-direction: column; gap: var(--space-md); text-align: center; }
    .section { padding: var(--space-2xl) 0; }
}

@media (max-width: 480px) {
    .container { padding: 0 var(--space-md); }
    .logo-img { height: var(--header-logo-h-mobile); }
    .btn { padding: var(--space-sm) var(--space-md); font-size: var(--font-sm); }
    .social-links { gap: var(--space-sm); }
    .social-link { width: 40px; height: 40px; }
}

/* ===== ANIMAÇÕES ===== */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeInLeft {
    from { opacity: 0; transform: translateX(-30px); }
    to { opacity: 1; transform: translateX(0); }
}
@keyframes fadeInRight {
    from { opacity: 0; transform: translateX(30px); }
    to { opacity: 1; transform: translateX(0); }
}
@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.animate-fade-in-up { animation: fadeInUp 0.6s ease-out; }
.animate-fade-in-left { animation: fadeInLeft 0.6s ease-out; }
.animate-fade-in-right { animation: FadeInRight 0.6s ease-out; }
.animate-pulse { animation: pulse 2s infinite; }

/* ===== MODO ESCURO (automático) ===== */
@media (prefers-color-scheme: dark) {
    [data-theme="auto"] {
        --white: #1A1A1A;
        --light-gray: #2D2D2D;
        --medium-gray: #A0A0A0;
        --dark-gray: #E0E0E0;
        --black: #FFFFFF;
    }
}

/* ===== ACESSIBILIDADE ===== */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    html { scroll-behavior: auto; }
}

/* Focus styles para acessibilidade */
*:focus { outline: 2px solid var(--primary-color); outline-offset: 2px; }
.btn:focus { outline: 2px solid var(--accent-color); }

/* ===== PRINT STYLES ===== */
@media print {
    .header,
    .footer,
    .mobile-menu-toggle,
    .search-container,
    .language-selector { display: none !important; }

    .main-content { margin-top: 0; }

    * { box-shadow: none !important; text-shadow: none !important; }
    a { text-decoration: underline; }
    .btn { border: 1px solid var(--dark-gray); }
}