/* Estilos Gerais */
:root {
    --primary-color: #0f5f5c;
    --secondary-color: #1f3d46;
    --accent-color: #b87333;
    --dark-color: #1f2428;
    --light-color: #f6f8f5;
    --surface-color: #fffefd;
    --muted-color: #edf1eb;
    --text-color: #3f4648;
    --border-color: #e1e7e0;
    --border-radius: 16px;
    --box-shadow: 0 18px 42px rgba(31, 36, 40, 0.09);
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background:
        radial-gradient(circle at top left, rgba(15, 95, 92, 0.08), transparent 34%),
        linear-gradient(180deg, #fbfcfa 0%, var(--light-color) 42%, #ffffff 100%);
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 15px;
}

p {
    margin-bottom: 15px;
}

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

a:hover {
    color: var(--secondary-color);
}

ul {
    list-style: none;
}

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

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background-color: var(--primary-color);
    color: white;
    padding: 13px 24px;
    border-radius: var(--border-radius);
    text-transform: uppercase;
    font-weight: 600;
    letter-spacing: 0;
    transition: var(--transition);
    border: 1px solid var(--primary-color);
    cursor: pointer;
    min-height: 48px;
}

.btn:hover {
    background-color: var(--accent-color);
    border-color: var(--accent-color);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--box-shadow);
}

.btn-outline {
    background-color: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.65);
    color: white;
}

.btn-outline:hover {
    background-color: white;
    border-color: white;
    color: var(--dark-color);
}

.section-header {
    text-align: left;
    margin-bottom: 42px;
    max-width: 820px;
}

.section-header h2 {
    font-size: 2.35rem;
    color: var(--dark-color);
    position: relative;
    padding-bottom: 18px;
}

.section-header h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 96px;
    height: 3px;
    background-color: var(--accent-color);
}

.section-header p {
    font-size: 1.1rem;
    color: var(--text-color);
    max-width: 760px;
    margin: 0;
}

.section-kicker,
.eyebrow {
    display: inline-block;
    margin-bottom: 14px;
    color: var(--accent-color);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

section {
    padding: 86px 0;
}

/* Header */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(250, 252, 249, 0.9);
    border-bottom: 1px solid rgba(225, 231, 224, 0.75);
    box-shadow: none;
    z-index: 1000;
    padding: 8px 0;
    transition: var(--transition);
}

header.scrolled {
    padding: 6px 0;
    background-color: rgba(255, 255, 255, 0.98);
    box-shadow: 0 12px 30px rgba(31, 36, 40, 0.08);
}

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

.logo img {
    height: 120px;
    width: auto;
    display: block;
    transition: var(--transition);
}

header.scrolled .logo img {
    height: 100px;
}

nav ul {
    display: flex;
}

nav ul li {
    margin-left: 22px;
}

nav ul li a {
    color: var(--dark-color);
    font-size: 0.92rem;
    font-weight: 600;
    position: relative;
}

nav ul li a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--accent-color);
    transition: var(--transition);
}

nav ul li a:hover::after,
nav ul li a.active::after {
    width: 100%;
}

.menu-mobile {
    display: none;
}

.menu-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border: 0;
    border-radius: var(--border-radius);
    background-color: transparent;
    color: var(--dark-color);
    font-size: 1.5rem;
    cursor: pointer;
    transition: var(--transition);
}

.menu-toggle:hover,
.menu-toggle:focus-visible {
    background-color: rgba(15, 95, 92, 0.1);
    color: var(--primary-color);
}

.mobile-nav {
    display: none;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
    outline: 3px solid rgba(0, 168, 232, 0.45);
    outline-offset: 3px;
}

/* Banner */
.banner {
    min-height: 92vh;
    background-image: url('images/portfolio-vista-praia.jpg');
    background-size: cover;
    background-position: center;
    position: relative;
    display: flex;
    align-items: center;
    text-align: left;
    color: white;
}

.banner .overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        linear-gradient(90deg, rgba(18, 24, 27, 0.88) 0%, rgba(18, 24, 27, 0.68) 42%, rgba(18, 24, 27, 0.28) 100%),
        linear-gradient(0deg, rgba(18, 24, 27, 0.55), rgba(18, 24, 27, 0.1));
}

.banner-content {
    position: relative;
    z-index: 1;
    max-width: 760px;
    margin: 0;
    padding-top: 72px;
}

.banner-content h2 {
    font-size: 3.8rem;
    margin-bottom: 18px;
    color: white;
}

.banner-content h3 {
    font-size: 1.22rem;
    margin-bottom: 20px;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.9);
}

.banner-content p {
    font-size: 1.2rem;
    max-width: 680px;
    margin-bottom: 30px;
    color: rgba(255, 255, 255, 0.88);
}

.banner-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
}

/* Serviços */
.servicos {
    background-color: var(--surface-color);
}

.servicos-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
}

.servico-card {
    background-color: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 28px;
    box-shadow: none;
    transition: var(--transition);
}

.servico-card:hover {
    transform: translateY(-6px);
    border-color: rgba(15, 95, 92, 0.4);
    box-shadow: var(--box-shadow);
}

.servico-card .icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background-color: rgba(15, 95, 92, 0.1);
    font-size: 1.45rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.servico-card h3 {
    font-size: 1.5rem;
    color: var(--dark-color);
}

.servico-card ul {
    margin-top: 15px;
}

.servico-card ul li {
    position: relative;
    padding-left: 18px;
    margin-bottom: 8px;
    font-size: 0.95rem;
}

.servico-card ul li::before {
    content: '';
    position: absolute;
    top: 0.72em;
    left: 0;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background-color: var(--accent-color);
}

/* Equipamentos */
.equipamentos {
    background-color: var(--light-color);
}

.equipamento-destaque {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}

.equipamento-info.full-width {
    grid-column: 1 / -1;
    text-align: left;
    max-width: none;
    margin: 0;
    padding: 36px;
    background-color: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.equipamento-info h3 {
    font-size: 2rem;
    color: var(--dark-color);
    margin-bottom: 20px;
}

.equipamento-info ul {
    margin-bottom: 20px;
    columns: 2;
    column-gap: 42px;
}

.equipamento-info ul li {
    position: relative;
    padding-left: 25px;
    margin-bottom: 10px;
}

.equipamento-info ul li::before {
    content: '';
    position: absolute;
    top: 0.7em;
    left: 0;
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background-color: var(--primary-color);
}

.equipamento-info .destaque {
    background-color: rgba(184, 115, 51, 0.1);
    padding: 18px 20px;
    border-left: 4px solid var(--accent-color);
    border-radius: var(--border-radius);
    color: var(--dark-color);
}

/* Certificação */
.certificacao {
    background-color: var(--surface-color);
    text-align: left;
}

.certificacao-content {
    max-width: none;
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 28px;
    align-items: stretch;
}

.certificacao-badge {
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0;
    padding: 32px;
    background-color: var(--secondary-color);
    color: white;
    border-radius: var(--border-radius);
    font-size: 1.25rem;
    font-weight: 600;
    text-align: center;
}

.certificacao-details {
    margin-top: 0;
    padding: 32px;
    background-color: var(--light-color);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    box-shadow: none;
}

.certificacao-details h3 {
    color: var(--dark-color);
    font-size: 1.8rem;
}

/* Portfólio */
.portfolio {
    background-color: var(--surface-color);
}

.portfolio-filter {
    display: flex;
    justify-content: flex-start;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.filter-btn {
    background: var(--light-color);
    border: 1px solid var(--border-color);
    color: var(--dark-color);
    padding: 9px 18px;
    margin: 0 5px 10px;
    border-radius: 999px;
    cursor: pointer;
    font-weight: 500;
    transition: var(--transition);
}

.filter-btn.active,
.filter-btn:hover {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

.portfolio-grid {
    display: grid;
    gap: 18px;
}

.portfolio-showcase {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    grid-auto-rows: 260px;
}

.portfolio-item {
    position: relative;
    border-radius: var(--border-radius);
    overflow: hidden;
    min-height: 260px;
    background-color: var(--muted-color);
    border: 1px solid rgba(216, 222, 216, 0.9);
}

.portfolio-showcase .portfolio-item {
    grid-column: span 3;
}

.portfolio-feature {
    grid-column: span 7;
    grid-row: span 2;
}

.portfolio-side {
    grid-column: span 5;
}

.portfolio-wide {
    grid-column: span 6;
}

.portfolio-item img,
.portfolio-item video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
    display: block;
}

.portfolio-info {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 22px;
    background: linear-gradient(to top, rgba(18, 24, 27, 0.92), rgba(18, 24, 27, 0.48), transparent);
    color: white;
    transition: var(--transition);
}

.portfolio-info h4 {
    margin-bottom: 6px;
    font-size: 1.2rem;
}

.portfolio-info p {
    margin-bottom: 0;
    color: rgba(255, 255, 255, 0.86);
    font-size: 0.95rem;
}

.portfolio-tag {
    display: inline-flex;
    align-items: center;
    min-height: 28px;
    margin-bottom: 10px;
    padding: 4px 10px;
    border: 1px solid rgba(255, 255, 255, 0.32);
    border-radius: 999px;
    background-color: rgba(255, 255, 255, 0.14);
    color: white;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.portfolio-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 16px;
}

.portfolio-meta span {
    display: inline-flex;
    align-items: center;
    min-height: 28px;
    padding: 4px 10px;
    border-radius: 999px;
    background-color: rgba(184, 115, 51, 0.9);
    color: white;
    font-size: 0.78rem;
    font-weight: 600;
}

.portfolio-item:hover img {
    transform: scale(1.06);
}

.portfolio-feature .portfolio-info {
    max-width: 620px;
    padding: 32px;
}

.portfolio-feature .portfolio-info h4 {
    font-size: 1.85rem;
}

.portfolio-item.media-video .portfolio-info {
    top: 0;
    bottom: auto;
    padding: 18px;
    background: linear-gradient(to bottom, rgba(18, 24, 27, 0.78), rgba(18, 24, 27, 0.2), transparent);
    pointer-events: none;
}

.portfolio-item.media-video:hover video {
    transform: scale(1.03);
}

.portfolio-item.media-video .portfolio-info h4 {
    font-size: 1rem;
    margin-bottom: 0;
}

.video-expand-button {
    position: absolute;
    right: 14px;
    bottom: 14px;
    z-index: 3;
    min-height: 38px;
    padding: 8px 14px;
    border: 1px solid rgba(255, 255, 255, 0.4);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.92);
    color: var(--dark-color);
    font-family: 'Poppins', sans-serif;
    font-size: 0.8rem;
    font-weight: 700;
    cursor: zoom-in;
    box-shadow: 0 10px 28px rgba(0, 0, 0, 0.22);
    transition: var(--transition);
}

.video-expand-button:hover,
.video-expand-button:focus-visible {
    background: white;
    transform: translateY(-2px);
    outline: 3px solid rgba(255, 255, 255, 0.35);
}

/* Diferenciais */
.diferenciais {
    background-color: var(--light-color);
}

.diferenciais-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 18px;
}

.diferencial-card {
    background-color: var(--surface-color);
    padding: 28px;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    box-shadow: none;
    text-align: left;
    transition: var(--transition);
}

.diferencial-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--box-shadow);
}

.diferencial-card .icon {
    font-size: 1.8rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.diferencial-card h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
}

/* Contato */
.contato {
    background-color: var(--surface-color);
}

.contato-container {
    display: grid;
    grid-template-columns: 0.85fr 1.4fr;
    gap: 24px;
}

.contato-info {
    background-color: var(--secondary-color);
    color: white;
    padding: 32px;
    border-radius: var(--border-radius);
}

.info-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 25px;
}

.info-item i {
    font-size: 1.5rem;
    margin-right: 15px;
    margin-top: 5px;
}

.info-item h4 {
    margin-bottom: 5px;
}

.social-media {
    display: flex;
    justify-content: flex-start;
    margin-top: 30px;
}

.social-media a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.14);
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 50%;
    margin: 0 5px;
    color: white;
    font-size: 1.2rem;
    transition: var(--transition);
}

.social-media a:hover {
    background-color: var(--accent-color);
    border-color: var(--accent-color);
    color: white;
}

.contato-form {
    background-color: var(--light-color);
    padding: 32px;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    box-shadow: none;
}

.form-group {
    margin-bottom: 20px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 14px 15px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-family: 'Poppins', sans-serif;
    font-size: 1rem;
    color: var(--dark-color);
    background-color: white;
}

.form-group textarea {
    height: 150px;
    resize: vertical;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

/* Footer */
footer {
    background-color: #171c1f;
    color: white;
    padding: 64px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.footer-logo h2 {
    font-size: 1.8rem;
    margin-bottom: 15px;
}

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

.footer-links h3,
.footer-legal h3 {
    font-size: 1.3rem;
    margin-bottom: 20px;
    color: var(--accent-color);
}

.footer-links ul li,
.footer-legal ul li {
    margin-bottom: 10px;
}

.footer-links ul li a {
    color: #ccc;
}

.footer-links ul li a:hover {
    color: white;
}

.copyright {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* Responsividade */
@media (max-width: 992px) {
    .servicos-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .equipamento-destaque {
        grid-template-columns: 1fr;
    }

    .equipamento-info ul {
        columns: 1;
    }

    .certificacao-content {
        grid-template-columns: 1fr;
    }

    .portfolio-showcase {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        grid-auto-rows: auto;
    }

    .portfolio-showcase .portfolio-item,
    .portfolio-feature,
    .portfolio-side,
    .portfolio-wide {
        grid-column: span 1;
        grid-row: auto;
        min-height: 300px;
    }

    .portfolio-feature,
    .portfolio-wide {
        grid-column: 1 / -1;
        min-height: 420px;
    }
    
    .contato-container {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    header .container {
        position: relative;
    }

    .logo img {
        height: 92px;
    }

    header.scrolled .logo img {
        height: 78px;
    }

    header .container > nav:not(.mobile-nav) {
        display: none;
    }
    
    .menu-mobile {
        display: block;
    }

    .mobile-nav {
        position: absolute;
        top: calc(100% + 14px);
        left: 15px;
        right: 15px;
        display: block;
        max-height: 0;
        overflow: hidden;
        background-color: white;
        border-radius: var(--border-radius);
        box-shadow: var(--box-shadow);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
    }

    .mobile-nav.active {
        max-height: 420px;
        opacity: 1;
        visibility: visible;
    }

    .mobile-nav ul {
        display: flex;
        flex-direction: column;
        padding: 10px 0;
    }

    .mobile-nav ul li {
        margin: 0;
    }

    .mobile-nav ul li a {
        display: block;
        padding: 12px 20px;
    }
    
    .banner-content h2 {
        font-size: 2.6rem;
    }
    
    .banner-content h3 {
        font-size: 1.05rem;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
}

@media (max-width: 576px) {
    section {
        padding: 64px 0;
    }

    .logo h1 {
        font-size: 1.15rem;
    }

    .banner {
        min-height: 88vh;
    }

    .banner-content {
        padding-top: 60px;
    }

    .banner-content h2 {
        font-size: 2.05rem;
    }
    
    .banner-content h3 {
        font-size: 0.98rem;
    }

    .banner-actions,
    .banner-actions .btn {
        width: 100%;
    }

    .servicos-grid {
        grid-template-columns: 1fr;
    }

    .equipamento-info.full-width,
    .certificacao-details,
    .contato-info,
    .contato-form {
        padding: 24px;
    }
    
    .section-header h2 {
        font-size: 1.8rem;
    }

    .portfolio-showcase {
        grid-template-columns: 1fr;
    }

    .portfolio-showcase .portfolio-item,
    .portfolio-feature,
    .portfolio-side,
    .portfolio-wide {
        grid-column: 1 / -1;
        min-height: 280px;
    }

    .portfolio-feature {
        min-height: 420px;
    }

    .portfolio-feature .portfolio-info,
    .portfolio-info {
        padding: 20px;
    }

    .portfolio-feature .portfolio-info h4 {
        font-size: 1.35rem;
    }
    
    .portfolio-filter {
        flex-direction: column;
        align-items: stretch;
    }
    
    .filter-btn {
        margin-bottom: 10px;
        width: 100%;
    }
}
/* Imagem ampliada do portfolio */
body.lightbox-open {
    overflow: hidden;
}

.portfolio-item.foto,
.portfolio-item.foto img {
    cursor: zoom-in;
}

.image-lightbox {
    position: fixed;
    inset: 0;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    background: rgba(5, 13, 24, 0.88);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s ease, visibility 0.2s ease;
}

.image-lightbox.active {
    opacity: 1;
    visibility: visible;
}

.image-lightbox-media {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
}

.image-lightbox img,
.image-lightbox video {
    width: auto;
    max-width: min(1200px, 92vw);
    max-height: 86vh;
    border-radius: 8px;
    box-shadow: 0 24px 70px rgba(0, 0, 0, 0.45);
    object-fit: contain;
    background: #050d18;
}

.image-lightbox-close {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 44px;
    height: 44px;
    border: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.94);
    color: #111827;
    font-size: 2rem;
    line-height: 1;
    cursor: pointer;
    transition: background 0.2s ease, transform 0.2s ease;
}

.image-lightbox-close:hover,
.image-lightbox-close:focus-visible {
    background: #ffffff;
    transform: scale(1.06);
    outline: 3px solid rgba(0, 86, 179, 0.35);
}

@media (max-width: 768px) {
    .image-lightbox {
        padding: 14px;
    }

    .image-lightbox img,
    .image-lightbox video {
        max-width: 94vw;
        max-height: 82vh;
    }

    .image-lightbox-close {
        top: 12px;
        right: 12px;
    }
}