/* ============================================================
   Amigo Eletricista - CSS Padrão (Identidade Visual)
   Estilos compartilhados entre todas as páginas.
   Versão: 3.0
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;700&display=swap');

/* ============================================================
   1. RESET & VARIÁVEIS
   ============================================================ */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --azul-escuro: #0f3460;
    --laranja: #ff751f;
    --amarelo: #ffde59;
    --azul-escuro-2: #1a365d;
    --azul-medio: #2c5282;
    --azul-claro: #3182ce;
    --amarelo-2: #d69e2e;
    --amarelo-claro: #ecc94b;
    --branco: #ffffff;
    --cinza-claro: #f7fafc;
    --cor-fundo: #02274d;
    --cinza-medio: #a0aec0;
    --cinza-escuro: #2d3748;
    --texto: #2d3748;
    --texto-claro: #718096;
    --sucesso: #38a169;
    --erro: #e53e3e;
    --alerta: #d69e2e;
    --info: #3182ce;
    --font-display: 'Inter', sans-serif;
    --font-body: 'Inter', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-full: 50%;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.16);
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    --max-width: 1200px;
}

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

body {
    font-family: var(--font-body);
    font-weight: 400;
    font-size: 1rem;
    line-height: 1.6;
    color: var(--texto);
    background-color: var(--branco);
    overflow-x: hidden;
}

a { text-decoration: none; color: inherit; transition: color var(--transition-fast); }
img { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.2;
    color: var(--azul-escuro);
}
h1 { font-size: 3rem; font-weight: 800; letter-spacing: -0.02em; }
h2 { font-size: 2.25rem; letter-spacing: -0.01em; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.125rem; font-weight: 600; }

p { color: var(--texto-claro); line-height: 1.7; }

.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ============================================================
   2. HEADER INTERNO (.topo-pagina / .menu-nav)
   ============================================================ */
.topo-pagina {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    background: var(--azul-escuro);
    box-shadow: var(--shadow-md);
}
.menu-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}
.menu-nav .logo { display: flex; align-items: center; }
.menu-nav .logo a { display: flex; align-items: center; }
.menu-nav .logo img { height: 56px; width: auto; }
.menu-nav .links { display: flex; align-items: center; gap: var(--spacing-lg); }
.nav-link {
    font-family: var(--font-display);
    font-weight: 500;
    font-size: 0.9375rem;
    color: var(--branco);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    transition: background var(--transition-fast), color var(--transition-fast);
    cursor: pointer;
    background: none;
    border: none;
}
.nav-link:hover { background: rgba(255, 255, 255, 0.1); color: var(--amarelo); }
.li-mostrar { position: relative; }
.diminuir {
    position: absolute;
    top: 100%; left: 0;
    min-width: 200px;
    background: var(--branco);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    opacity: 0; visibility: hidden;
    transform: translateY(10px);
    transition: all var(--transition-fast);
    padding: var(--spacing-xs) 0;
}
.li-mostrar:hover .diminuir { opacity: 1; visibility: visible; transform: translateY(0); }
.diminuir .nav-link { display: block; padding: var(--spacing-sm) var(--spacing-md); color: var(--texto); font-weight: 500; border-radius: 0; }
.diminuir .nav-link:hover { background: var(--cinza-claro); color: var(--laranja); border-bottom: 2px solid var(--laranja); }
.btn-sem-estilo { background: none; border: none; cursor: pointer; font-family: inherit; color: inherit; padding: 0; }

/* ============================================================
   3. HAMBURGER & MOBILE MENU
   ============================================================ */
.hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 40px; height: 40px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 1001;
}
.hamburger-line {
    width: 24px; height: 3px;
    background: var(--branco);
    border-radius: 2px;
    transition: all var(--transition-fast);
    margin: 3px 0;
}
.hamburger.active .hamburger-line:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.active .hamburger-line:nth-child(2) { opacity: 0; }
.hamburger.active .hamburger-line:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

.mobile-menu {
    display: none;
    position: fixed;
    top: 0; right: -100%;
    width: 280px; height: 100vh;
    background: var(--azul-escuro);
    z-index: 1000;
    padding: var(--spacing-3xl) var(--spacing-lg) var(--spacing-lg);
    transition: right var(--transition-normal);
    overflow-y: auto;
}
.mobile-menu.active { right: 0; }
.mobile-menu-overlay {
    display: none;
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
    opacity: 0;
    transition: opacity var(--transition-normal);
}
.mobile-menu-overlay.active { opacity: 1; }
.mobile-menu-link {
    display: block;
    font-family: var(--font-display);
    font-weight: 500;
    font-size: 1.125rem;
    color: var(--branco);
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    transition: color var(--transition-fast);
}
.mobile-menu-link:hover { color: var(--amarelo); }
.mobile-menu-dropdown { padding: var(--spacing-sm) 0; border-bottom: 1px solid rgba(255, 255, 255, 0.1); }
.mobile-menu-dropdown-toggle {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    font-family: var(--font-display);
    font-weight: 500;
    font-size: 1.125rem;
    color: var(--branco);
    background: transparent;
    border: none;
    cursor: pointer;
    padding: var(--spacing-sm) 0;
}
.mobile-menu-dropdown-items { display: none; padding-left: var(--spacing-md); }
.mobile-menu-dropdown.active .mobile-menu-dropdown-items { display: block; }
.mobile-menu-dropdown-toggle::after {
    content: '';
    width: 0; height: 0;
    border-left: 5px solid transparent;
    border-right: 5px solid transparent;
    border-top: 5px solid var(--branco);
    transition: transform var(--transition-fast);
}
.mobile-menu-dropdown.active .mobile-menu-dropdown-toggle::after { transform: rotate(180deg); }
.mobile-menu-separador {
    padding: var(--spacing-md) 0 var(--spacing-sm);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}
.mobile-menu-separador span {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--laranja);
}
.mobile-menu-calc {
    font-size: 0.9375rem;
    padding-left: var(--spacing-sm);
}

/* ============================================================
   4. BUTTONS
   ============================================================ */
.btn {
    display: inline-flex; align-items: center; justify-content: center;
    gap: var(--spacing-xs);
    font-family: var(--font-display); font-weight: 600; font-size: 1rem;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-sm); border: 2px solid transparent;
    cursor: pointer; transition: all var(--transition-fast); white-space: nowrap;
}
.btn-primary { background: var(--laranja); color: var(--branco); border-color: var(--laranja); }
.btn-primary:hover { background: #e66a17; border-color: #e66a17; transform: translateY(-2px); box-shadow: 0 4px 12px rgba(255, 117, 31, 0.4); }
.btn-secondary { background: transparent; color: var(--branco); border-color: var(--branco); }
.btn-secondary:hover { background: var(--branco); color: var(--azul-escuro); transform: translateY(-2px); }
.btn-outline { background: transparent; color: var(--azul-escuro); border-color: var(--azul-escuro); }
.btn-outline:hover { background: var(--azul-escuro); color: var(--branco); transform: translateY(-2px); }
.btn-sm { font-size: 0.875rem; padding: var(--spacing-xs) var(--spacing-md); }

/* ============================================================
   5. SECTIONS
   ============================================================ */
.section { padding: var(--spacing-3xl) 0; }
.section-header { text-align: center; max-width: 700px; margin: 0 auto var(--spacing-2xl); }
.section-badge {
    display: inline-flex; align-items: center; gap: 6px;
    background: rgba(15, 52, 96, 0.1); color: var(--azul-escuro);
    font-family: var(--font-display); font-weight: 600; font-size: 0.8125rem;
    padding: 6px 14px; border-radius: 20px; margin-bottom: var(--spacing-md);
    text-transform: uppercase; letter-spacing: 0.05em;
}
.section-title { margin-bottom: var(--spacing-md); }
.section-description { font-size: 1.0625rem; line-height: 1.7; }
.section-alt { background: var(--cinza-claro); }
.section-dark { background: var(--cor-fundo); }

/* ============================================================
   6. FOOTER
   ============================================================ */
.footer { background: var(--cor-fundo); color: var(--branco); padding: var(--spacing-2xl) 0 var(--spacing-lg); }
.footer-content { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: var(--spacing-lg); margin-bottom: var(--spacing-2xl); }
.footer-brand { max-width: 300px; }
.footer-brand-logo { display: flex; align-items: center; gap: var(--spacing-sm); margin-bottom: var(--spacing-md); }
.footer-brand-logo img { width: 48px; height: 48px; }
.footer-brand-title { font-family: var(--font-display); font-weight: 700; font-size: 1.25rem; color: var(--branco); }
.footer-brand-description { font-size: 1rem; color: var(--cinza-medio); line-height: 1.6; margin-bottom: var(--spacing-md); }
.footer-social { display: flex; gap: var(--spacing-sm); }
.footer-social-link {
    width: 48px; height: 48px; display: flex; align-items: center; justify-content: center;
    background: rgba(255, 255, 255, 0.1); border-radius: var(--radius-sm); color: var(--branco);
    transition: background var(--transition-fast), transform var(--transition-fast);
}
.footer-social-link:hover { background: var(--laranja); transform: translateY(-2px); }
.footer-social-link svg { width: 28px; height: 28px; fill: currentColor; }
.footer-column-title { font-family: var(--font-display); font-weight: 600; font-size: 1.125rem; color: var(--branco); margin-bottom: var(--spacing-sm); }
.footer-links { display: flex; flex-direction: column; gap: var(--spacing-xs); }
.footer-link { font-size: 1rem; color: var(--cinza-medio); transition: color var(--transition-fast); white-space: nowrap; }
.footer-link:hover { color: var(--amarelo); }
.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1); padding-top: var(--spacing-lg);
    display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: var(--spacing-sm);
}
.footer-copyright { font-size: 0.9375rem; color: var(--cinza-medio); }
.footer-bottom-links { display: flex; gap: var(--spacing-md); }
.footer-bottom-link { font-size: 0.9375rem; color: var(--cinza-medio); transition: color var(--transition-fast); }
.footer-bottom-link:hover { color: var(--amarelo); }

/* Footer Interno */
.principal-footer {
    display: flex; flex-wrap: wrap; justify-content: space-between; gap: var(--spacing-xl);
    max-width: var(--max-width); margin: 0 auto; padding: 0 var(--spacing-md) var(--spacing-xl);
}
.box-footer ul { display: flex; flex-direction: column; gap: var(--spacing-sm); }
.box-footer .nav-link { font-size: 0.9375rem; color: var(--cinza-medio); padding: 0; }
.box-footer .nav-link:hover { color: var(--amarelo); background: none; }
.box-footer.redes ul { flex-direction: row; gap: var(--spacing-md); }
.box-footer.redes .nav-link { font-size: 1.25rem; color: var(--branco); transition: color var(--transition-fast), transform var(--transition-fast); }
.box-footer.redes .nav-link:hover { color: var(--laranja); transform: translateY(-2px); background: none; }
.box-footer .logo2 img { height: 48px; }
.copy-rigth { text-align: center; padding: var(--spacing-md); border-top: 1px solid rgba(255, 255, 255, 0.1); margin-top: var(--spacing-lg); }
.copy-rigth p { font-size: 0.875rem; color: var(--cinza-medio); }

/* ============================================================
   7. UTILITIES
   ============================================================ */
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
*:focus-visible { outline: 3px solid var(--laranja); outline-offset: 2px; }
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-white { color: var(--branco); }
.text-orange { color: var(--laranja); }
.text-yellow { color: var(--amarelo); }
.bg-dark { background: var(--cor-fundo); }
.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }
.mt-4 { margin-top: var(--spacing-xl); }
.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }
.mb-4 { margin-bottom: var(--spacing-xl); }

/* Animações */
.fade-in { opacity: 0; transform: translateY(20px); transition: opacity 0.6s ease, transform 0.6s ease; }
.fade-in.visible { opacity: 1; transform: translateY(0); }
.fade-in-left { opacity: 0; transform: translateX(-30px); transition: opacity 0.6s ease, transform 0.6s ease; }
.fade-in-left.visible { opacity: 1; transform: translateX(0); }
.fade-in-right { opacity: 0; transform: translateX(30px); transition: opacity 0.6s ease, transform 0.6s ease; }
.fade-in-right.visible { opacity: 1; transform: translateX(0); }

/* ============================================================
   8. RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
    h1 { font-size: 2.5rem; }
    h2 { font-size: 2rem; }
    .footer-content { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
    .section { padding: var(--spacing-2xl) 0; }
    .container { padding: 0 var(--spacing-md); }
    .navbar-menu { display: none; }
    .navbar-cta { display: none; }
    .hamburger { display: flex; }
    .mobile-menu { display: block; }
    .mobile-menu-overlay { display: block; }
    .footer-content { grid-template-columns: 1fr; gap: var(--spacing-lg); }
    .footer-bottom { flex-direction: column; text-align: center; }
    .menu-nav .links { display: none; }
}

@media (max-width: 480px) {
    h1 { font-size: 1.625rem; }
    h2 { font-size: 1.5rem; }
    .container { padding: 0 var(--spacing-sm); }
    .section-header { margin-bottom: var(--spacing-lg); }
}