/* ============================================================
   Variáveis e Reset
   ============================================================ */

:root {
    --color-bg: #062b33;
    --color-bg-alt: #0b3b45;
    --color-bg-soft: #0f4b57;
    --color-accent: #d4af37;
    --color-accent-soft: rgba(212, 175, 55, 0.12);
    --color-text: #f9fafb;
    --color-text-soft: #cbd5f5;
    --color-border: #164454;
    --color-danger: #ef4444;

    --radius-sm: 0.5rem;
    --radius-md: 0.9rem;
    --radius-lg: 1.4rem;

    --shadow-soft: 0 18px 40px rgba(0, 0, 0, 0.55);

    --max-width: 1120px;

    --transition-fast: 0.18s ease;
    --transition-med: 0.25s ease;
}

/* Reset simplificado */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: "Poppins", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

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

/* Contêiner genérico */
.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Links */
a {
    color: inherit;
    text-decoration: none;
}

/* ============================================================
   Cabeçalho / Navegação
   ============================================================ */

.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(6, 43, 51, 0.96);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--color-border);
}

.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.6rem 0;
    gap: 1.5rem;
}

/* LOGÓTIPO – proteção contra imagens gigantes */
.nav-logo {
    display: flex;
    align-items: center;
}

.nav-logo-img {
    height: 60px !important;
    width: auto !important;
    max-height: 60px !important;
    max-width: 220px;
    object-fit: contain;
    display: block;
}

.nav-logo img {
    max-height: 60px;
    width: auto;
    display: block;
}

/* Menu de navegação */

.nav-menu {
    list-style: none;
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.nav-link {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--color-text-soft);
    position: relative;
    padding: 0.3rem 0;
    transition: color var(--transition-fast);
}

.nav-link::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -0.25rem;
    width: 0;
    height: 2px;
    background: var(--color-accent);
    border-radius: 999px;
    transition: width var(--transition-fast);
}

.nav-link:hover {
    color: #ffffff;
}

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

.nav-link-cta {
    padding: 0.45rem 1rem;
    border-radius: 999px;
    border: 1px solid var(--color-accent);
    color: var(--color-accent);
    font-weight: 600;
}

.nav-link-cta:hover {
    background: var(--color-accent);
    color: #111827;
}

/* Botão mobile */

.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 0.25rem;
    background: transparent;
    border: none;
    cursor: pointer;
}

.nav-toggle-line {
    width: 22px;
    height: 2px;
    border-radius: 999px;
    background: var(--color-text);
    transition: transform var(--transition-fast), opacity var(--transition-fast);
}

/* ============================================================
   Hero / Capa
   ============================================================ */

.hero {
    position: relative;
    min-height: 80vh;
    display: flex;
    align-items: center;
    isolation: isolate;
    background: url("../img/capa.jpg") no-repeat center center/cover;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at top, rgba(6, 43, 51, 0.3), rgba(6, 43, 51, 0.88));
    z-index: -1;
}

.hero-inner {
    padding: 5rem 1.5rem 4rem;
}

.hero-content {
    max-width: 640px;
}

.hero-eyebrow {
    text-transform: uppercase;
    letter-spacing: 0.18em;
    font-size: 0.78rem;
    color: var(--color-accent);
    margin-bottom: 0.75rem;
}

.hero-title {
    font-size: clamp(2.25rem, 3vw + 1.7rem, 3.1rem);
    line-height: 1.15;
    margin-bottom: 1rem;
}

.hero-title span {
    color: var(--color-accent);
}

.hero-subtitle {
    color: var(--color-text-soft);
    max-width: 34rem;
    margin-bottom: 1.75rem;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.85rem;
    margin-bottom: 1.5rem;
}

.hero-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 1.2rem;
    font-size: 0.85rem;
    color: var(--color-text-soft);
}

.hero-meta i {
    color: var(--color-accent);
    margin-right: 0.4rem;
}

/* Botões genéricos */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.7rem 1.4rem;
    border-radius: 999px;
    font-size: 0.95rem;
    font-weight: 500;
    border: 1px solid transparent;
    cursor: pointer;
    transition: background var(--transition-fast), color var(--transition-fast),
        border-color var(--transition-fast), transform var(--transition-fast),
        box-shadow var(--transition-fast);
}

.btn-primary {
    background: var(--color-accent);
    color: #111827;
    box-shadow: 0 14px 30px rgba(0, 0, 0, 0.55);
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 16px 36px rgba(0, 0, 0, 0.65);
}

.btn-outline {
    border-color: var(--color-accent);
    color: var(--color-accent);
    background: transparent;
}

.btn-outline:hover {
    background: var(--color-accent-soft);
    color: #ffffff;
}

.btn-full {
    width: 100%;
}

/* ============================================================
   Secções genéricas
   ============================================================ */

.section {
    padding: 5rem 0;
}

.section:nth-of-type(odd) {
    background: var(--color-bg);
}

.section:nth-of-type(even) {
    background: var(--color-bg-alt);
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title {
    font-size: 1.9rem;
    margin-bottom: 0.75rem;
}

.section-lead {
    color: var(--color-text-soft);
    max-width: 40rem;
    margin: 0 auto;
}

.section-grid {
    display: grid;
    gap: 2.8rem;
    align-items: center;
}

.section-text p + p {
    margin-top: 0.8rem;
}

@media (min-width: 900px) {
    .section-grid {
        grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
    }
}

/* Secção Sobre */

.about-image-wrapper {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-soft);
    border: 1px solid var(--color-border);
    background: var(--color-bg-soft);
}

.about-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Serviços / Cartões */

.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.8rem;
}

.card {
    background: radial-gradient(circle at top left, #105266, #062b33);
    border-radius: var(--radius-lg);
    padding: 1.7rem 1.5rem 1.6rem;
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-soft);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast),
        border-color var(--transition-fast), background var(--transition-fast);
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 45px rgba(0, 0, 0, 0.7);
    border-color: var(--color-accent);
}

.card-icon {
    width: 2.4rem;
    height: 2.4rem;
    border-radius: 999px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-accent-soft);
    color: var(--color-accent);
    margin-bottom: 1rem;
}

.card-title {
    font-size: 1.15rem;
    margin-bottom: 0.5rem;
}

.card-text {
    color: var(--color-text-soft);
    font-size: 0.94rem;
    margin-bottom: 0.8rem;
}

.card-list {
    list-style: none;
    font-size: 0.9rem;
    color: var(--color-text-soft);
}

.card-list li + li {
    margin-top: 0.35rem;
}

/* Instalações */

.installations-grid {
    display: grid;
    gap: 2.5rem;
    align-items: center;
}

@media (min-width: 900px) {
    .installations-grid {
        grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    }
}

.installations-gallery {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.75rem;
}

.gallery-item {
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--color-border);
    background: var(--color-bg-soft);
}

.gallery-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-fast);
}

.gallery-item:hover .gallery-img {
    transform: scale(1.05);
}

.feature-list {
    list-style: none;
    color: var(--color-text-soft);
    font-size: 0.95rem;
}

.feature-list li {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
}

.feature-list li + li {
    margin-top: 0.6rem;
}

.feature-list i {
    color: var(--color-accent);
    margin-top: 0.15rem;
}

/* Metodologia */

.methodology-image-wrapper {
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--color-border);
    background: var(--color-bg-soft);
    box-shadow: var(--shadow-soft);
}

.methodology-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.steps-list {
    list-style: none;
    counter-reset: step-counter;
}

.steps-list li {
    position: relative;
    padding-left: 2.9rem;
    margin-bottom: 1.1rem;
}

.steps-list li::before {
    counter-increment: step-counter;
    content: counter(step-counter);
    position: absolute;
    left: 0;
    top: 0.15rem;
    width: 2rem;
    height: 2rem;
    border-radius: 999px;
    background: var(--color-accent-soft);
    color: var(--color-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
}

.steps-list h3 {
    font-size: 1rem;
    margin-bottom: 0.2rem;
}

.steps-list p {
    color: var(--color-text-soft);
    font-size: 0.92rem;
}

/* Testemunhos */

.section-testimonials {
    position: relative;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.7rem;
}

.testimonial-card {
    background: radial-gradient(circle at top left, #0f4b57, #041b21);
    border-radius: var(--radius-lg);
    padding: 1.5rem 1.4rem;
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-soft);
    font-size: 0.95rem;
}

.testimonial-text {
    color: var(--color-text-soft);
    margin-bottom: 1rem;
}

.testimonial-meta {
    font-size: 0.85rem;
    color: #9ca3af;
}

.testimonial-name {
    font-weight: 600;
    color: var(--color-accent);
}

/* Contactos */

.section-contact {
    background: radial-gradient(circle at top, #105266, #04161d);
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
    margin-top: 1.5rem;
}

.contact-item {
    display: flex;
    gap: 0.8rem;
    align-items: flex-start;
}

.contact-item i {
    margin-top: 0.15rem;
    color: var(--color-accent);
}

.contact-label {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--color-text-soft);
}

.contact-value {
    font-size: 0.95rem;
}

.social-links {
    display: flex;
    gap: 0.7rem;
    margin-top: 0.8rem;
}

.social-link {
    width: 2.1rem;
    height: 2.1rem;
    border-radius: 999px;
    border: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: border-color var(--transition-fast), background var(--transition-fast),
        transform var(--transition-fast);
}

.social-link:hover {
    border-color: var(--color-accent);
    background: var(--color-accent-soft);
    transform: translateY(-1px);
}

/* Formulário */

.section-form {
    background: rgba(4, 22, 29, 0.9);
    border-radius: var(--radius-lg);
    padding: 1.7rem 1.5rem;
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-soft);
}

.contact-form {
    display: grid;
    gap: 1rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}

label {
    font-size: 0.85rem;
}

input,
select,
textarea {
    background: #021015;
    border-radius: 0.6rem;
    border: 1px solid var(--color-border);
    padding: 0.6rem 0.7rem;
    color: var(--color-text);
    font-family: inherit;
    font-size: 0.92rem;
    outline: none;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast),
        background var(--transition-fast);
}

input::placeholder,
textarea::placeholder {
    color: #6b7280;
}

input:focus,
select:focus,
textarea:focus {
    border-color: var(--color-accent);
    box-shadow: 0 0 0 1px rgba(212, 175, 55, 0.25);
    background: #031821;
}

textarea {
    resize: vertical;
    min-height: 130px;
}

.form-feedback {
    font-size: 0.85rem;
    margin-top: 0.2rem;
    min-height: 1.2rem;
}

.form-feedback.error {
    color: var(--color-danger);
}

.form-feedback.success {
    color: #4ade80;
}

/* Rodapé */

.site-footer {
    border-top: 1px solid var(--color-border);
    background: #020a0d;
}

.footer-inner {
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
    padding: 1.8rem 0 1.6rem;
}

.footer-brand {
    font-weight: 600;
}

.footer-text {
    color: var(--color-text-soft);
    font-size: 0.9rem;
    max-width: 32rem;
}

.footer-copy {
    font-size: 0.82rem;
    color: #9ca3af;
}

/* Responsividade */

@media (max-width: 799px) {
    .nav-toggle {
        display: flex;
    }

    .nav-menu {
        position: absolute;
        top: 100%;
        right: 0;
        left: 0;
        background: rgba(4, 22, 29, 0.98);
        flex-direction: column;
        align-items: flex-start;
        padding: 0.8rem 1.5rem 1.1rem;
        gap: 0.9rem;
        transform-origin: top;
        transform: scaleY(0);
        opacity: 0;
        pointer-events: none;
        transition: transform var(--transition-med), opacity var(--transition-med);
    }

    .nav-menu.is-open {
        transform: scaleY(1);
        opacity: 1;
        pointer-events: auto;
    }

    .hero-inner {
        padding-top: 4.5rem;
        padding-bottom: 3.5rem;
    }

    .section {
        padding: 3.5rem 0;
    }

    .section-form {
        margin-top: 2rem;
    }

    .footer-inner {
        align-items: flex-start;
    }
}

@media (min-width: 800px) {
    .hero {
        min-height: 88vh;
    }

    .section-contact .section-grid {
        grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    }

    .footer-inner {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }
}