/* 
   ==========================================================================
   IDENTIDADE VISUAL E DESIGN SYSTEM - PROTÓTIPO NANSI ELÉTRICA
   Este arquivo contém a folha de estilos base do site. Utiliza variáveis CSS,
   layout responsivo via Flexbox/Grid e transições fluidas para efeitos hover.
   ========================================================================== 
*/

/* Importação das fontes institucionais a partir do Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

/* Variáveis Globais (Design Tokens) */
:root {
    /* Paleta de Cores Institucional - Nansi Engenharia */
    --primary-blue: #1A2530;
    /* Azul Marinho Profundo (Cabeçalho) */
    --secondary-blue: #496EAD;
    /* Azul Destaque da Logo */
    --orange: #FF6600;
    /* Laranja Secundário */
    --dark-gray: #212529;
    /* Cinza Grafite */
    --light-gray: #F0F4F8;
    /* Cinza-azulado muito claro (Fundo Principal) */
    --white: #FFFFFF;
    /* Branco */

    /* Design Tokens */
    --bg-primary: var(--light-gray);
    --bg-secondary: var(--white);
    --bg-tertiary: var(--primary-blue);

    --text-primary: var(--dark-gray);
    --text-secondary: #4A5568;
    --text-muted: #718096;

    --accent: var(--secondary-blue);
    --accent-hover: #37548A;
    --accent-glow: rgba(73, 110, 173, 0.15);
    --accent-gradient: linear-gradient(135deg, var(--secondary-blue) 0%, #37548A 100%);

    /* Fontes */
    --font-heading: 'Inter', sans-serif;
    --font-body: 'Inter', sans-serif;

    /* Layout & Estrutura */
    --max-width: 1200px;
    --header-height: 100px;
    --border-radius: 12px;
    --border-color: rgba(73, 110, 173, 0.08);

    /* Sombras e Efeitos */
    --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.04);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --backdrop-blur: blur(12px);

    /* Transições */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
}

/* Reset de Estilos e Configurações Globais */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

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

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Barra de rolagem estilizada para combinar com o design escuro */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: var(--bg-secondary);
    border: 2px solid var(--bg-primary);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent);
}

/* Elementos de Texto */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.25;
}

a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition-fast);
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Componentes Úteis Reutilizáveis (Layout Utilities) */
.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
}

section[id] {
    scroll-margin-top: var(--header-height);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 28px;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.95rem;
    border-radius: 10px;
    cursor: pointer;
    transition: var(--transition-normal);
    border: none;
}

.btn-primary {
    background: var(--accent-gradient);
    color: var(--bg-primary);
    box-shadow: 0 4px 14px 0 var(--accent-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px 0 rgba(73, 110, 173, 0.3);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 2px solid var(--border-color);
}

.btn-secondary:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: rgba(73, 110, 173, 0.05);
}

/* Efeito Glow para Destaques Visuais */
.glow-effect {
    position: relative;
}

.glow-effect::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: inherit;
    box-shadow: 0 0 20px var(--accent-glow);
    opacity: 0;
    transition: var(--transition-normal);
    z-index: -1;
}

.glow-effect:hover::after {
    opacity: 1;
}

/* ==========================================================================
   HEADER / NAVEGAÇÃO
   ========================================================================== */
.main-header {
    height: var(--header-height);
    width: 100%;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(73, 110, 173, 0.08);
    display: flex;
    align-items: center;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.02);
    transition: background-color var(--transition-normal), box-shadow var(--transition-normal);
}

.main-header.scrolled {
    background-color: rgba(255, 255, 255, 0.95);
    box-shadow: 0 4px 20px rgba(73, 110, 173, 0.08);
}


.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

/* Logo Estilizada */
.logo {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.5rem;
    color: var(--primary-blue);
    /* dark blue */
    transition: var(--transition-normal);
}

.logo:hover {
    transform: translateY(-1px);
}

.logo span {
    color: var(--accent);
    /* logo blue highlight */
}

.logo-img {
    height: 70px;
    width: auto;
    object-fit: contain;
}

.logo-icon {
    font-size: 1.8rem;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Menu de Navegação Desktop */
.nav-menu {
    display: flex;
    align-items: center;
    gap: 28px;
    background-color: #F8FAFC;
    padding: 8px 24px;
    border-radius: 8px;
    border: 1px solid #E2E8F0;
}

.nav-link {
    font-family: var(--font-heading);
    font-weight: 500;
    font-size: 0.9rem;
    color: #4A5568;
    position: relative;
    padding: 6px 0;
    transition: var(--transition-fast);
}

.nav-link:hover {
    color: var(--accent);
}

.nav-link.active {
    color: var(--accent);
    font-weight: 600;
}

/* Botão de Destaque no Header (Estilo do Exemplo) */
.btn-header-cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 24px;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.9rem;
    border-radius: 10px;
    background-color: var(--secondary-blue);
    color: var(--white) !important;
    border: none;
    box-shadow: 0 4px 12px rgba(73, 110, 173, 0.25);
    cursor: pointer;
    transition: var(--transition-normal);
    text-decoration: none;
}

.btn-header-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px 0 rgba(73, 110, 173, 0.3);
}

/* Logo no Footer */
.main-footer .logo {
    color: var(--dark-gray);
    background: transparent;
    padding: 0;
    box-shadow: none;
}

.main-footer .logo span {
    color: var(--accent);
}

.main-footer .logo-img {
    height: 130px;
    width: auto;
    object-fit: contain;
    margin-top: -60px;
}

/* Classes Utilitárias de Responsividade */
.desktop-only {
    display: inline-flex;
}

.mobile-only {
    display: none;
}

/* Botão do Menu Mobile (Escondido por padrão) */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--white);
    font-size: 1.5rem;
    cursor: pointer;
}

/* ==========================================================================
   FOOTER / RODAPÉ
   ========================================================================== */
.main-footer {
    background-color: #F8FAFC;
    border-top: 1px solid #E2E8F0;
    padding: 60px 0 30px;
    margin-top: 50px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-info p {
    color: #4A5568;
    margin-top: 0px;
    font-size: 0.95rem;
    max-width: 320px;
}

.footer-title {
    color: var(--dark-gray);
    font-size: 1.1rem;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 8px;
}

.footer-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 2px;
    background-color: var(--accent);
}


.footer-links li {
    margin-bottom: 12px;
    color: #4A5568;
}

.footer-links a {
    color: #4A5568;
    font-size: 0.9rem;
}

.footer-links a:hover {
    color: var(--accent);
    padding-left: 6px;
}

.footer-socials {
    display: flex;
    gap: 16px;
    margin-top: 20px;
}

.social-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: #FFFFFF;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #4A5568;
    border: 1px solid #E2E8F0;
    font-size: 1.1rem;
}

.social-icon:hover {
    background-color: var(--accent);
    color: var(--white);
    transform: translateY(-3px);
    box-shadow: 0 4px 10px var(--accent-glow);
}

.footer-bottom {
    border-top: 1px solid #E2E8F0;
    padding-top: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}

.copyright {
    font-size: 0.85rem;
    color: #718096;
}

.footer-security-tag {
    font-size: 0.8rem;
    color: #718096;
    display: flex;
    align-items: center;
    gap: 6px;
}

.footer-security-tag i {
    color: #2ec4b6;
    /* Verde seguro */
}

/* ==========================================================================
   SEÇÃO HERO / APRESENTAÇÃO
   ========================================================================== */
.hero-section {
    min-height: 100vh;
    padding-top: calc(var(--header-height) + 40px);
    display: flex;
    align-items: center;
    position: relative;
    background: radial-gradient(circle at 80% 20%, rgba(73, 110, 173, 0.06) 0%, transparent 50%),
        radial-gradient(circle at 10% 80%, rgba(73, 110, 173, 0.08) 0%, transparent 50%);
    overflow: hidden;
}

.hero-container {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 60px;
    align-items: center;
}

.hero-subtitle {
    display: inline-block;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--black);
    margin-bottom: 16px;
    position: relative;
}

.hero-section h1 {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 24px;
    background: linear-gradient(120deg, var(--primary-blue) 0%, var(--secondary-blue) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-lead {
    font-size: 1.15rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
    max-width: 540px;
}

.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

/* Gráfico Tech do Hero (Substituto para Imagens Stock) */
.hero-graphics {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.tech-circle {
    width: 320px;
    height: 320px;
    max-width: 100%;
    aspect-ratio: 1;
    border-radius: 50%;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(255, 255, 255, 0.03);
}

.core-node {
    width: 25%;
    height: 25%;
    max-width: 80px;
    max-height: 80px;
    border-radius: 50%;
    background: var(--accent-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: clamp(1.2rem, 4vw, 2.2rem);
    color: var(--bg-primary);
    box-shadow: 0 0 30px var(--accent);
    z-index: 5;
    animation: pulseGlow 3s infinite ease-in-out;
}

.orbit-1 {
    position: absolute;
    width: 56%;
    height: 56%;
    border: 1px dashed rgba(73, 110, 173, 0.3);
    border-radius: 50%;
    animation: rotateCW 20s linear infinite;
}

.orbit-2 {
    position: absolute;
    width: 88%;
    height: 88%;
    border: 1px solid rgba(224, 225, 221, 0.08);
    border-radius: 50%;
    animation: rotateCCW 25s linear infinite;
}

.orbit-2::before {
    content: '';
    position: absolute;
    top: 8%;
    right: 8%;
    width: clamp(8px, 3.5%, 12px);
    height: clamp(8px, 3.5%, 12px);
    border-radius: 50%;
    background-color: var(--accent);
    box-shadow: 0 0 12px var(--accent);
}

/* Animações Keyframes */
@keyframes pulseGlow {

    0%,
    100% {
        transform: scale(1);
        box-shadow: 0 0 30px var(--accent);
    }

    50% {
        transform: scale(1.06);
        box-shadow: 0 0 45px var(--accent);
    }
}

@keyframes rotateCW {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

@keyframes rotateCCW {
    0% {
        transform: rotate(360deg);
    }

    100% {
        transform: rotate(0deg);
    }
}

/* ==========================================================================
   SEÇÃO QUEM SOMOS (EMPRESA)
   ========================================================================== */
.about-section {
    padding: 100px 0;
    position: relative;
    background-color: var(--bg-secondary);
}

.about-container {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 60px;
    align-items: center;
}

.section-badge {
    display: inline-block;
    padding: 6px 16px;
    background-color: rgba(73, 110, 173, 0.1);
    border: 1px solid rgba(73, 110, 173, 0.2);
    color: var(--accent);
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: 20px;
    margin-bottom: 20px;
}

.about-section h2 {
    font-size: 2.5rem;
    margin-bottom: 24px;
}

.about-lead {
    font-size: 1.1rem;
    color: var(--text-primary);
    font-weight: 500;
    margin-bottom: 20px;
}

.about-section p {
    color: var(--text-secondary);
    margin-bottom: 24px;
}

.about-stats {
    display: flex;
    gap: 40px;
    margin-top: 32px;
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-num {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--accent);
    line-height: 1;
}

.stat-lbl {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-top: 4px;
}

/* Painel de Valores / Tecnologia */
.about-image-wrapper {
    display: flex;
    justify-content: center;
}

.tech-card {
    background: var(--primary-blue);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--border-radius);
    padding: 40px;
    width: 100%;
    max-width: 420px;
    position: relative;
    overflow: hidden;
    backdrop-filter: var(--backdrop-blur);
    box-shadow: var(--shadow-lg);
}

.tech-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--accent-gradient);
}

.tech-card h3 {
    margin-bottom: 24px;
    font-size: 1.3rem;
    color: var(--white);
}

.values-list li {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 20px;
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.85);
}

.values-list i {
    font-size: 1.25rem;
    color: var(--accent);
}

/* ==========================================================================
   SEÇÃO SERVIÇOS
   ========================================================================== */
.services-section {
    padding: 100px 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-top: 10px;
    margin-bottom: 16px;
}

.section-header p {
    color: var(--text-secondary);
}

/* Layout do Carrossel de Serviços */
.carousel-container {
    position: relative;
    width: 100%;
    display: flex;
    align-items: center;
    padding: 0 10px;
}

.carousel-track-container {
    overflow: hidden;
    position: relative;
    width: 100%;
    padding: 15px 0;
    /* espaço para sombras e elevação do card */
}

.services-carousel-track {
    display: flex;
    transition: transform 0.5s cubic-bezier(0.25, 1, 0.5, 1);
    gap: 30px;
    width: 100%;
    touch-action: pan-y;
}

.service-card {
    flex: 0 0 calc((100% - 60px) / 3);
    /* 3 cards no desktop */
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 40px 30px;
    transition: var(--transition-normal);
    box-shadow: var(--shadow-sm);
    position: relative;
    overflow: hidden;
    box-sizing: border-box;
}

.service-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 3px;
    background: var(--accent-gradient);
    transition: var(--transition-normal);
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(73, 110, 173, 0.2);
}

.service-card:hover::after {
    width: 100%;
}

.service-icon {
    font-size: 2.2rem;
    color: var(--accent);
    margin-bottom: 24px;
    display: inline-block;
}

.service-card h3 {
    font-size: 1.25rem;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.service-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
}

/* Botões do Carrossel */
.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 46px;
    height: 46px;
    border-radius: 50%;
    background-color: var(--white);
    border: 1px solid rgba(73, 110, 173, 0.12);
    color: var(--secondary-blue);
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 10;
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
}

.carousel-btn:hover {
    background-color: var(--secondary-blue);
    color: var(--white);
    border-color: var(--secondary-blue);
    box-shadow: 0 4px 12px rgba(73, 110, 173, 0.25);
}

.prev-btn {
    left: -23px;
}

.next-btn {
    right: -23px;
}

/* Bolinhas de Paginação */
.carousel-dots {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 35px;
    flex-wrap: wrap;
}

.carousel-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: #cbd5e1;
    cursor: pointer;
    transition: var(--transition-normal);
}

.carousel-dot.active {
    background-color: var(--secondary-blue);
    transform: scale(1.1);
    width: 24px;
    border-radius: 5px;
}

@media (max-width: 1024px) {
    .prev-btn {
        left: -10px;
    }

    .next-btn {
        right: -10px;
    }

    .service-card {
        flex: 0 0 calc((100% - 30px) / 2);
        /* 2 cards no tablet */
    }
}

@media (max-width: 768px) {
    .carousel-container {
        padding: 0;
    }

    .prev-btn,
    .next-btn {
        display: none;
        /* Esconder botões no mobile (swipe/dots) */
    }

    .service-card {
        flex: 0 0 100%;
        /* 1 card no mobile */
    }
}

/* ==========================================================================
   SEÇÃO CONTATO E FORMULÁRIO DE E-MAIL
   ========================================================================== */
.contact-section {
    padding: 100px 0;
    background-color: var(--bg-secondary);
    position: relative;
}

.contact-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: flex-start;
}

.contact-info-col h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.contact-info-col p {
    color: var(--text-secondary);
    margin-bottom: 40px;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.detail-item {
    display: flex;
    align-items: center;
    gap: 20px;
}

.detail-item i {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    font-size: 1.3rem;
}

.detail-item h4 {
    font-size: 1rem;
    color: var(--text-muted);
}

.detail-item p {
    margin-bottom: 0;
    color: var(--text-primary);
    font-weight: 600;
}

/* Formulário de Contato */
.contact-form-col {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 40px;
    box-shadow: var(--shadow-lg);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
    position: relative;
}

.form-group label {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 0.95rem;
    outline: none;
    transition: var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

/* Mensagens de Erro e Validação */
.error-message {
    font-size: 0.8rem;
    color: #ef4444;
    /* Vermelho moderno */
    margin-top: 4px;
    display: none;
    align-items: center;
    gap: 6px;
}

.form-group.has-error input,
.form-group.has-error textarea {
    border-color: #ef4444;
    background-color: rgba(239, 68, 68, 0.02);
}

.form-group.has-error .error-message {
    display: flex;
}

.w-100 {
    width: 100%;
}

/* Botão Flutuante do WhatsApp */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background-color: #25d366;
    /* Verde oficial do WhatsApp */
    color: #ffffff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.4);
    z-index: 999;
    transition: var(--transition-normal);
}

.whatsapp-float:hover {
    transform: scale(1.1) rotate(8deg);
    background-color: #20ba5a;
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.6);
    color: #ffffff;
}

/* ==========================================================================
   RESPONSIVIDADE (MEDIA QUERIES)
========================================================================== */
@media (max-width: 992px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }

    .hero-content {
        display: flex;
        flex-direction: column;
        align-items: center;
    }

    .hero-lead {
        margin-left: auto;
        margin-right: auto;
    }

    .about-container {
        grid-template-columns: 1fr;
        gap: 50px;
    }

    .contact-container {
        grid-template-columns: 1fr;
        gap: 50px;
    }

    .hero-section h1 {
        font-size: 2.8rem;
    }
}

@media (max-width: 768px) {
    html {
        font-size: 15px;
    }

    section[id] {
        scroll-margin-top: 70px;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .main-header {
        height: 70px;
    }

    .logo-img {
        height: 45px;
    }

    .menu-toggle {
        display: block;
        color: var(--primary-blue);
        /* dark toggle button on white header */
        /* Revela toggle mobile */
    }

    .nav-menu {
        position: absolute;
        top: 70px;
        right: 24px;
        left: auto;
        width: 200px;
        height: auto;
        background-color: var(--white);
        flex-direction: column;
        padding: 16px;
        gap: 8px;
        border-radius: 8px;
        border: 1px solid var(--border-color);
        box-shadow: var(--shadow-lg);
        opacity: 0;
        visibility: hidden;
        transform: translateY(-10px);
        transition: opacity var(--transition-normal), transform var(--transition-normal), visibility var(--transition-normal);
        z-index: 999;
    }

    .nav-menu.active {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
        left: auto;
    }

    .nav-link {
        font-size: 1rem;
        display: block;
        text-align: left;
        color: var(--text-primary);
        padding: 10px 14px;
        border-radius: 6px;
        transition: var(--transition-fast);
        font-weight: 600;
    }

    .nav-link:hover,
    .nav-link.active {
        color: var(--accent);
        background-color: var(--bg-primary);
    }

    .desktop-only {
        display: none !important;
    }

    .mobile-only {
        display: block !important;
    }

    .about-stats {
        flex-direction: column;
        align-items: center;
        gap: 24px;
        text-align: center;
    }

    .tech-card,
    .contact-form-col {
        padding: 24px 20px;
    }

    .hero-actions {
        justify-content: center;
    }

    .whatsapp-float {
        bottom: 20px;
        right: 20px;
        width: 50px;
        height: 50px;
        font-size: 1.6rem;
    }

    /* Estilos do Dropdown - Mobile */
    .nav-item-dropdown {
        width: 100%;
    }

    .dropdown-toggle {
        width: 100%;
        justify-content: space-between;
    }

    .dropdown-menu {
        position: static;
        width: 100%;
        transform: none;
        opacity: 1;
        visibility: visible;
        display: none;
        box-shadow: none;
        border: none;
        background-color: transparent;
        backdrop-filter: none;
        -webkit-backdrop-filter: none;
        padding: 0 0 0 16px;
        margin-top: 4px;
        transition: none;
    }

    .nav-item-dropdown.active .dropdown-menu {
        display: block;
    }

    .nav-item-dropdown.active .dropdown-icon {
        transform: rotate(180deg);
    }

    .dropdown-menu a {
        padding: 8px 12px;
        font-size: 0.9rem;
        color: var(--text-secondary);
    }
}

/* ==========================================================================
   PÁGINAS ADICIONAIS / MULTI PAGE APPLICATION (MPA)
   ========================================================================== */

/* Hero das páginas internas */
.page-hero {
    padding: 160px 0 60px;
    background: radial-gradient(circle at 80% 20%, rgba(73, 110, 173, 0.06) 0%, transparent 50%),
                radial-gradient(circle at 10% 80%, rgba(73, 110, 173, 0.08) 0%, transparent 50%);
    text-align: center;
}

.page-hero h1 {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 16px;
    background: linear-gradient(120deg, var(--primary-blue) 0%, var(--secondary-blue) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.page-hero .hero-lead {
    font-size: 1.2rem;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto;
}

/* Seção de Diretrizes Estratégicas (Missão, Propósito, Valores) */
.strategy-section {
    padding: 80px 0;
    background-color: var(--bg-primary);
}

.strategy-grid {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 30px;
}

.strategy-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 40px;
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
    position: relative;
    display: flex;
    flex-direction: column;
}

.strategy-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent);
}

.strategy-card .icon-wrapper {
    width: 60px;
    height: 60px;
    border-radius: 12px;
    background-color: rgba(73, 110, 173, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    color: var(--accent);
    margin-bottom: 24px;
}

.strategy-card h3 {
    font-size: 1.35rem;
    margin-bottom: 16px;
    color: var(--dark-gray);
}

.strategy-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* Lista de Valores Especiais */
.values-list-bullets {
    list-style: none;
    margin-top: 10px;
}

.values-list-bullets li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 12px;
}

.values-list-bullets i {
    color: var(--accent);
    margin-top: 3px;
    font-size: 0.95rem;
}

/* Responsividade para Diretrizes Estratégicas */
@media (max-width: 992px) {
    .strategy-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .strategy-card {
        padding: 30px;
    }
}

/* Estilos do Dropdown de Serviços - Desktop */
@media (min-width: 769px) {
    .nav-item-dropdown {
        position: relative;
    }

    .dropdown-toggle {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        cursor: pointer;
    }

    .dropdown-icon {
        font-size: 0.75rem;
        transition: transform var(--transition-normal);
    }

    .nav-item-dropdown:hover .dropdown-icon {
        transform: rotate(180deg);
    }

    .dropdown-menu {
        position: absolute;
        top: 100%;
        left: 50%;
        transform: translateX(-50%) translateY(10px);
        width: 260px;
        background-color: rgba(255, 255, 255, 0.95);
        backdrop-filter: var(--backdrop-blur);
        -webkit-backdrop-filter: var(--backdrop-blur);
        border: 1px solid var(--border-color);
        border-radius: var(--border-radius);
        box-shadow: var(--shadow-lg);
        padding: 12px;
        list-style: none;
        display: block;
        opacity: 0;
        visibility: hidden;
        transition: opacity var(--transition-normal), transform var(--transition-normal), visibility var(--transition-normal);
        z-index: 1010;
    }

    .nav-item-dropdown:hover .dropdown-menu {
        opacity: 1;
        visibility: visible;
        transform: translateX(-50%) translateY(0);
    }

    .dropdown-menu li {
        margin: 0;
        width: 100%;
    }

    .dropdown-menu a {
        display: block;
        padding: 10px 14px;
        font-family: var(--font-heading);
        font-size: 0.85rem;
        font-weight: 500;
        color: var(--text-secondary);
        border-radius: 6px;
        transition: var(--transition-fast);
    }

    .dropdown-menu a:hover {
        color: var(--accent);
        background-color: rgba(73, 110, 173, 0.08);
    }
}

/* ==========================================================================
   PÁGINA FALE CONOSCO (ESTILOS COMPLEMENTARES)
   ========================================================================== */
.form-group select {
    width: 100%;
    padding: 12px 16px;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 0.95rem;
    outline: none;
    transition: var(--transition-fast);
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%234A5568' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 16px center;
    background-size: 16px;
}

.form-group select:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-group input[type="file"] {
    padding: 10px 12px;
    cursor: pointer;
}

.form-group input[type="file"]::file-selector-button {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.8rem;
    color: var(--white);
    background: var(--accent-gradient);
    border: none;
    border-radius: 4px;
    padding: 6px 12px;
    margin-right: 12px;
    cursor: pointer;
    transition: var(--transition-fast);
}

.form-group input[type="file"]::file-selector-button:hover {
    background: var(--accent-hover);
}

/* Captcha Estilizado "Não sou robô" */
.captcha-container {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 16px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: var(--shadow-sm);
    margin-top: 8px;
}

.captcha-layout {
    display: flex;
    align-items: center;
    gap: 12px;
}

.captcha-layout input[type="checkbox"] {
    width: 24px;
    height: 24px;
    cursor: pointer;
    accent-color: var(--accent);
    margin: 0;
}

.captcha-label {
    font-family: var(--font-heading);
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--text-primary);
    user-select: none;
    cursor: pointer;
}

.captcha-logo {
    display: flex;
    flex-direction: column;
    align-items: center;
    color: var(--text-muted);
}

.captcha-logo i {
    font-size: 1.5rem;
    color: var(--accent);
}

.captcha-logo span {
    font-size: 0.65rem;
    margin-top: 4px;
    letter-spacing: 0.5px;
}