/* ============================================================================
   PALETA DE CORES (Altere aqui para as cores exatas da sua logo)
   ============================================================================ */
:root {
    --bg-color: #ffffff;        
    --text-color: #2c2c2c;      
    --primary-color: #0B4A82;   /* Cor Principal da sua logo */
    --secondary-color: #495057; 
    --accent-bg: #f8f9fa;       
    --footer-bg: #1a1d20;       
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
}

/* Header e Navegação */
header {
    background-color: #495057;
    position: fixed; 
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
}

.nav-container {
    max-width: 90%;
    margin: 0 auto;
    background-color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 20px;
    border-bottom: 1px solid #e9ecef;
}

.logo-area img {
    height: 55px;
    display: block;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 15px;
}

.nav-menu a {
    text-decoration: none;
    color: var(--secondary-color);
    font-weight: 600;
    font-size: 0.95rem;
    padding: 8px 16px;
    position: relative;
    transition: color 0.3s ease;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: width 0.3s ease;
}

.nav-menu a:hover {
    color: var(--primary-color);
}

.nav-menu a:hover::after {
    width: 100%;
}

.nav-menu a.active::after {
    width: 100%;
}

.nav-menu.hovering a.active::after {
    width: 0;
}

.nav-menu.hovering a:hover::after {
    width: 100%;
}

.hamburger {
    display: none;
}

/* Seção Hero / Principal (Ocupa 1 tela inteira) */
.hero-br {
    background-color: #495057;
}

.hero {
    max-width: 90%;
    margin: 0 auto;
    background-image: url('../img/conceitual.jpg');
    background-size: cover;
    background-position: center;
    padding: 100px 20px 20px 20px; 
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    height: 100vh;
    scroll-margin-top: 80px;
    position: relative;
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background-color: rgba(73, 80, 87, 0.12);
    z-index: 0;
}

.hero-overlay {
    background-color: rgba(73, 80, 87, 0.7);
    padding: 30px;
    border-radius: 6px;
    z-index: 1;
    position: relative;
}

.hero > * {
    position: relative;
    z-index: 1;
}

.hero h1 {
    font-size: 3rem;
    line-height: 1.2;
    margin-bottom: 20px;
    color: #ffffff;
}

.hero-text p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    color: #ffffff;
}

.btn-cta {
    display: inline-block;
    background-color: var(--primary-color);
    color: #ffffff;
    padding: 14px 32px;
    text-decoration: none;
    font-weight: bold;
    border-radius: 6px;
    transition: opacity 0.3s;
}

.btn-cta:hover {
    opacity: 0.9;
}

/* Fundo dos cards */
.cards-br {
    background-color: #495057;
    padding: 4px 0;
}

/* Cada CARD ocupa meia tela */
.card {
    background: #495057;
    min-height: 50vh;
    display: flex;
    flex-direction: row;
    max-width: 90%;
    margin: 0 auto 4px;
    scroll-margin-top: 80px;
}

.card-image {
    flex: 2;
    display: flex;
    min-height: 50vh;
    overflow: hidden;
    background: #495057;
}

.card-image img {
    flex: 1;
    width: 0;
    min-width: 0;
    min-height: 0;
    object-fit: cover;
    height: 100%;
    display: block;
}

#infraestrutura .card-image img:nth-child(3) {
    object-position: 47% center;
}

#ia .card-image img:nth-child(2) {
    object-position: 78% center;
}

.card-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: 30px;
    text-align: left;
    background: #ffffff;
}

.card-content .btn-cta {
    align-self: center;
    margin-top: auto;
}

.card h3 {
    margin-bottom: 15px;
    color: var(--primary-color);
    font-size: 2rem;
    text-align: center;
}

.card p {
    color: var(--secondary-color);
    font-size: 1.1rem; 
}

/* Card Contato - layout vertical como antes */
.card-contato {
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 30px 20px;
    background: #ffffff;
}

/* Alterna lado da imagem: pares imagem na direita */
.card:nth-child(even):not(.card-contato) {
    flex-direction: row-reverse;
}

.card:last-of-type {
    margin-bottom: 0;
}

/* ============================================================================
   ESTILOS DO CONTATO
   ============================================================================ */
.contato-grid {
    display: flex;
    width: 100%;
    gap: 120px;
    margin-top: 20px;
}

.contato-left,
.contato-right {
    flex: 1;
    text-align: left;
}

.contato-right {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.contato-right p {
    font-size: 1.1rem;
    margin-bottom: 10px;
    color: var(--secondary-color);
}

.contato-right a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
}

.contato-right a:hover {
    text-decoration: underline;
}

.contato-logo {
    max-width: 180px;
    margin-bottom: 20px;
    display: block;
}

.contato-left form {
    width: 100%;
}

.contato-left .form-group {
    margin-bottom: 15px;
}

.contato-left .form-group label {
    display: block;
    margin-bottom: 6px;
    font-weight: 600;
    color: var(--secondary-color);
    font-size: 0.95rem;
}

.contato-left .form-group input,
.contato-left .form-group select,
.contato-left .form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #ced4da;
    border-radius: 6px;
    font-size: 1rem;
    color: var(--text-color);
    background-color: #ffffff;
    transition: border-color 0.2s;
    box-sizing: border-box;
}

.contato-left .form-group input:focus,
.contato-left .form-group select:focus,
.contato-left .form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 86, 179, 0.1);
}

.contato-left .form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.contato-left .btn-submit {
    display: block;
    margin: 0 auto;
    width: auto;
    background-color: var(--primary-color);
    color: #ffffff;
    border: none;
    padding: 14px 20px;
    font-size: 0.85rem;
    font-weight: 600;
    border-radius: 6px;
    cursor: pointer;
    transition: opacity 0.3s;
}

.contato-left .btn-submit:hover {
    opacity: 0.9;
}

/* Rodapé */
footer {
    background-color: #495057;
    padding: 0;
}

.footer-inner {
    max-width: 90%;
    margin: 0 auto;
    background-color: #ffffff;
    color: var(--text-color);
    padding: 40px 20px;
    display: flex;
    gap: 40px;
}

.footer-left {
    flex: 1;
    text-align: left;
}

.footer-right {
    flex: 1;
    display: flex;
    align-items: flex-end;
    justify-content: flex-end;
    text-align: right;
}

.footer-brand {
    font-size: 0.9rem;
    font-weight: 700;
    margin-bottom: 5px;
    color: var(--primary-color);
}

.footer-sub {
    font-size: 0.8rem;
    margin-bottom: 15px;
    color: var(--secondary-color);
}

.footer-company,
.footer-copy {
    font-size: 0.7rem;
    color: var(--text-color);
    margin-bottom: 3px;
}

.footer-dev {
    font-size: 0.7rem;
    color: var(--text-color);
}

/* Página em construção */
.pag-construcao {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.pag-construcao .em-construcao {
    flex: 1;
    background-color: #495057;
    display: flex;
    flex-direction: column;
}

.em-construcao-inner {
    flex: 1;
    width: 100%;
    max-width: 90%;
    margin: 0 auto;
    background: #ffffff;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 40px 30px;
}

.em-construcao-inner h1 {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.em-construcao-inner p {
    font-size: 1.1rem;
    color: var(--secondary-color);
    margin-bottom: 30px;
    max-width: 500px;
}

/* Responsividade */
@media (max-width: 768px) {
    body {
        scroll-snap-type: y mandatory;
        scroll-padding-top: 160px;
    }

    .hero {
        height: auto;
        padding-top: 140px;
        scroll-snap-align: start;
        max-width: 100%;
    }

    .card,
    .card:nth-child(even):not(.card-contato) {
        flex-direction: column;
        min-height: 100vh;
        max-width: 100%;
        scroll-margin-top: 0;
        scroll-snap-align: start;
    }

    .card-image {
        position: relative;
        height: 50vh;
    }

    .card-image img {
        position: absolute;
        inset: 0;
        width: 100%;
        height: 100%;
        flex: none;
        opacity: 0;
        transition: opacity 0.5s;
    }

    .card-image img.active {
        opacity: 1;
    }

    .card-content {
        text-align: center;
        align-items: center;
    }

    .card h3 {
        font-size: 1.5rem;
    }

    .nav-container {
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: space-between;
        align-items: center;
        max-width: 100%;
        gap: 0;
    }

    .nav-container nav {
        flex: 0 0 100%;
    }

    .hamburger {
        display: flex;
        flex-direction: column;
        justify-content: center;
        gap: 5px;
        background: none;
        border: none;
        cursor: pointer;
        padding: 8px;
    }

    .hamburger span {
        display: block;
        width: 28px;
        height: 3px;
        background: #495057;
        border-radius: 2px;
        transition: all 0.3s ease;
    }

    .hamburger.active span:nth-child(1) {
        transform: rotate(45deg) translate(6px, 6px);
    }

    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }

    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(6px, -6px);
    }

    .nav-menu {
        display: none;
        flex-basis: 100%;
        flex-direction: column;
        align-items: center;
        gap: 5px;
        padding: 10px 0 0;
    }

    .nav-menu.open {
        display: flex;
    }

    .footer-inner {
        max-width: 100%;
    }

    .em-construcao-inner {
        max-width: 100%;
    }

    .contato-left {
        display: none;
    }
}