/* =========================================================
   Elo Engenharia - Folha de estilos principal
   Design limpo e editorial: branco dominante, tipografia
   forte, linhas finas e cor usada com parcimônia.
   Paleta da logo: azul, amarelo e cinza.
   Fontes: Belleza (títulos) + Montserrat (texto).
   ========================================================= */

/* Fallbacks métricos para reduzir layout shift enquanto as fontes carregam */
@font-face {
    font-family: 'Belleza Fallback';
    src: local('Arial'), local('Helvetica');
    size-adjust: 94%;
    ascent-override: 92%;
}
@font-face {
    font-family: 'Montserrat Fallback';
    src: local('Arial'), local('Helvetica');
    size-adjust: 112%;
    ascent-override: 88%;
}

:root {
    /* Azuis */
    --azul: #125fad;
    --azul-vivo: #1077de;
    --navy: #0a2c4d;
    --navy-profundo: #06172a;
    --azul-suave: #e9f2fc;

    /* Amarelos */
    --amarelo: #f2a516;
    --amarelo-claro: #ffc14d;

    /* Cinzas */
    --cinza-texto: #5c6672;
    --cinza-medio: #8a94a3;
    --cinza-claro: #f5f7f9;
    --hairline: #e2e6ea;

    --branco: #ffffff;

    --font-heading: 'Belleza', 'Belleza Fallback', sans-serif;
    --font-body: 'Montserrat', 'Montserrat Fallback', sans-serif;

    --container: 1180px;
    --radius: 3px;
    --header-h: 88px;
    --transition: all 0.22s ease;
}

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

html { scroll-behavior: smooth; }

body {
    font-family: var(--font-body);
    font-weight: 400;
    color: var(--navy);
    background: var(--branco);
    line-height: 1.7;
    overflow-x: hidden;
    padding-top: var(--header-h);
}

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

a { text-decoration: none; color: inherit; }

ul { list-style: none; }

.container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 24px;
}

h1, h2, h3, h4 {
    font-family: var(--font-heading);
    font-weight: 400;
    line-height: 1.12;
    color: var(--navy);
    letter-spacing: 0.3px;
}

.section { padding: 104px 0; }
.section-alt { background: var(--cinza-claro); }
.section-dark {
    position: relative;
    background: var(--navy-profundo);
    color: var(--branco);
    overflow: hidden;
}
.section-dark h1, .section-dark h2, .section-dark h3 { color: var(--branco); }
.section-dark > .container { position: relative; z-index: 1; }

/* Textura de circuito/grade técnica, sobreposta e transparente */
.section-dark::before {
    content: '';
    position: absolute;
    top: 0; right: 0; bottom: 0; left: 0;
    z-index: 0;
    pointer-events: none;
    background-image: repeating-linear-gradient(
            0deg,
            transparent,
            transparent 19px,
            rgba(255, 255, 255, 0.06) 19px,
            rgba(255, 255, 255, 0.06) 20px,
            transparent 20px,
            transparent 39px,
            rgba(255, 255, 255, 0.06) 39px,
            rgba(255, 255, 255, 0.06) 40px
        ),
        repeating-linear-gradient(
            90deg,
            transparent,
            transparent 19px,
            rgba(255, 255, 255, 0.06) 19px,
            rgba(255, 255, 255, 0.06) 20px,
            transparent 20px,
            transparent 39px,
            rgba(255, 255, 255, 0.06) 39px,
            rgba(255, 255, 255, 0.06) 40px
        ),
        radial-gradient(
            circle at 20px 20px,
            rgba(255, 255, 255, 0.12) 2px,
            transparent 2px
        ),
        radial-gradient(
            circle at 40px 40px,
            rgba(255, 255, 255, 0.12) 2px,
            transparent 2px
        );
    background-size:
        40px 40px,
        40px 40px,
        40px 40px,
        40px 40px;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 11.5px;
    font-weight: 700;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--cinza-texto);
    margin-bottom: 16px;
}
.eyebrow::before {
    content: '';
    width: 26px;
    height: 2px;
    display: inline-block;
    background: var(--amarelo);
}
.section-dark .eyebrow { color: #9fb2c6; }

.section-head { max-width: 760px; margin-bottom: 60px; }
.section-head h2 { font-size: clamp(32px, 4.4vw, 52px); }
.section-head p { color: var(--cinza-texto); margin-top: 16px; font-size: 16px; max-width: 620px; }
.section-dark .section-head p { color: #a9bbce; }

/* Botões — retos e sóbrios */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 15px 30px;
    border-radius: var(--radius);
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 14px;
    letter-spacing: 0.4px;
    transition: var(--transition);
    border: 1px solid transparent;
    cursor: pointer;
    white-space: nowrap;
}
.btn-primary { background: var(--azul); color: var(--branco); }
.btn-primary:hover { background: var(--azul-vivo); }
.btn-dark { background: var(--navy); color: var(--branco); }
.btn-dark:hover { background: var(--azul); }
.btn-outline { background: transparent; color: var(--branco); border-color: rgba(255,255,255,0.55); }
.btn-outline:hover { background: rgba(255,255,255,0.12); border-color: var(--branco); }
.btn-outline-dark { background: transparent; color: var(--navy); border-color: rgba(10,44,77,0.35); }
.btn-outline-dark:hover { border-color: var(--navy); background: rgba(10,44,77,0.04); }
.btn-block { width: 100%; }

/* Link editorial com seta */
.card-link { display: inline-block; margin-top: 16px; color: var(--azul); font-weight: 600; font-size: 14px; transition: var(--transition); }
.card-link:hover { color: var(--navy); letter-spacing: 0.2px; }

/* =================== HEADER =================== */
/* Barra branca fixa, com linha fina — a logo escura lê perfeitamente */
.site-header {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 500;
    background: var(--branco);
    border-bottom: 1px solid var(--hairline);
    transition: box-shadow 0.25s ease;
}
.site-header.scrolled { box-shadow: 0 4px 18px rgba(10, 44, 77, 0.08); }
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-h);
}
.logo { display: flex; align-items: center; }
.logo img { height: 56px; width: auto; }

.main-nav { display: flex; align-items: center; gap: 34px; }
.main-nav a {
    color: var(--navy);
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 0.2px;
    transition: var(--transition);
    position: relative;
    padding: 6px 0;
}
.main-nav a:hover { color: var(--azul); }
.main-nav a.active { color: var(--azul); }
.main-nav a.active::after {
    content: '';
    position: absolute;
    left: 0; bottom: -4px;
    width: 100%; height: 2px;
    background: var(--amarelo);
}

.header-cta { display: flex; align-items: center; gap: 18px; }
.header-cta .btn { padding: 11px 22px; background: var(--azul); color: var(--branco); border: none; }
.header-cta .btn:hover { background: var(--navy); }

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 6px;
}
.nav-toggle span { width: 26px; height: 2px; background: var(--navy); border-radius: 2px; }

/* =================== HERO =================== */
.hero {
    position: relative;
    min-height: calc(88vh - var(--header-h));
    display: flex;
    align-items: center;
    background:
        linear-gradient(100deg, rgba(7, 31, 56, 0.86) 0%, rgba(7, 31, 56, 0.6) 55%, rgba(7, 31, 56, 0.3) 100%),
        url('../img/hero-home.jpg') center/cover no-repeat;
    color: var(--branco);
}
.hero-content { max-width: 820px; min-width: 0; width: 100%; padding-top: 100px; padding-bottom: 100px; }
.hero h1 {
    color: var(--branco);
    font-size: clamp(38px, 5.6vw, 72px);
    letter-spacing: 0.6px;
    margin-bottom: 24px;
}
.hero h1 em { font-style: normal; color: var(--amarelo-claro); }
.hero p.lead { font-size: 17px; color: #d7e1ec; max-width: 560px; margin-bottom: 38px; font-weight: 300; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

.hero-small {
    min-height: 40vh;
    background:
        linear-gradient(100deg, rgba(7, 31, 56, 0.88) 0%, rgba(7, 31, 56, 0.62) 60%, rgba(7, 31, 56, 0.35) 100%),
        url('../img/hero-generic.jpg') center/cover no-repeat;
}
.hero-small .hero-content { padding-top: 80px; padding-bottom: 80px; }
.hero-small .hero-content h1 { font-size: clamp(30px, 4.2vw, 48px); }
.breadcrumb {
    font-size: 12px;
    color: var(--amarelo-claro);
    margin-bottom: 14px;
    letter-spacing: 2.5px;
    text-transform: uppercase;
    font-weight: 600;
}

/* =================== STATS =================== */
.stats-bar { background: var(--branco); border-bottom: 1px solid var(--hairline); }
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    padding-top: 36px;
    padding-bottom: 36px;
}
.stat-item { border-left: 1px solid var(--hairline); padding-left: 28px; }
.stat-item::before {
    content: '';
    display: block;
    width: 26px; height: 3px;
    background: var(--amarelo);
    margin-bottom: 18px;
}
.stat-number {
    font-family: var(--font-heading);
    font-size: clamp(42px, 4.6vw, 62px);
    color: var(--navy);
    line-height: 1;
}
.stat-label { font-size: 12px; color: var(--cinza-texto); margin-top: 10px; text-transform: uppercase; letter-spacing: 1.5px; font-weight: 600; }

/* =================== GRID CARDS =================== */
.grid-cards {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 48px 36px;
}
.grid-cards.cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid-cards.cols-2 { grid-template-columns: repeat(2, 1fr); }

/* Blocos editoriais: linha fina no topo, sem caixa */
.card {
    background: transparent;
    border-top: 1px solid var(--hairline);
    padding: 30px 0 0;
    transition: var(--transition);
    position: relative;
}
.card::before {
    content: '';
    position: absolute;
    top: -1px; left: 0;
    width: 0; height: 2px;
    background: var(--amarelo);
    transition: width 0.35s ease;
}
.card:hover::before { width: 56px; }

.card-icon {
    color: var(--azul);
    margin-bottom: 20px;
}
.card-icon svg { width: 34px; height: 34px; }
.card h3 { font-size: 23px; margin-bottom: 10px; }
.card p { color: var(--cinza-texto); font-size: 14.5px; }
.card a.card-link { color: var(--azul); }
.card a.card-link:hover { color: var(--amarelo); }

.section-dark .card { border-top-color: rgba(255,255,255,0.22); }
.section-dark .card h3 { color: var(--branco); }
.section-dark .card p { color: #a9bbce; }
.section-dark .card-icon { color: var(--branco); }
.section-dark .card a.card-link { color: var(--amarelo-claro); }
.section-dark .card a.card-link:hover { color: var(--branco); }

/* =================== SPLIT (texto + imagem) =================== */
.split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 72px;
    align-items: center;
}
.split-reverse .split-media { order: 2; }
.split-reverse .split-text { order: 1; }
.split-media img {
    border-radius: var(--radius);
    width: 100%; height: 100%;
    object-fit: cover;
    aspect-ratio: 4/3;
}
.split-text h2 { font-size: clamp(30px, 3.8vw, 46px); margin-bottom: 8px; }
.split-text p { color: var(--cinza-texto); margin-bottom: 16px; font-size: 15.5px; }
.split-list { margin-top: 26px; display: flex; flex-direction: column; gap: 13px; }
.split-list li {
    display: flex; gap: 14px; align-items: flex-start;
    font-size: 15px; color: var(--navy); font-weight: 500;
    padding-bottom: 13px;
    border-bottom: 1px solid var(--hairline);
}
.split-list li:last-child { border-bottom: none; }
.split-list li::before { content: '—'; color: var(--amarelo); font-weight: 700; flex-shrink: 0; }

/* =================== EQUIPE =================== */
.equipe-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 48px;
}
.equipe-card { background: transparent; }

/* Cartão com flip: foto na frente, nome + CREA no verso */
.equipe-flip {
    aspect-ratio: 3/4;
    perspective: 1400px;
}
.equipe-flip-inner {
    position: relative;
    width: 100%; height: 100%;
    transition: transform 0.7s ease;
    transform-style: preserve-3d;
}
.equipe-flip:focus-within .equipe-flip-inner,
.equipe-flip.is-flipped .equipe-flip-inner { transform: rotateY(180deg); }
@media (hover: hover) {
    .equipe-flip:hover .equipe-flip-inner { transform: rotateY(180deg); }
}

.equipe-face {
    position: absolute;
    inset: 0;
    border-radius: var(--radius);
    overflow: hidden;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
}
.equipe-face-frente img { width: 100%; height: 100%; object-fit: cover; }

.equipe-face-verso {
    transform: rotateY(180deg);
    background: var(--navy-profundo);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 34px 28px;
    box-shadow: inset 0 0 0 1px rgba(255,255,255,0.08);
}
.equipe-face-verso::before {
    content: '';
    width: 30px; height: 2px;
    background: var(--amarelo);
    margin-bottom: 18px;
}
.equipe-face-verso .cargo {
    color: #9fb2c6;
    font-weight: 700;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 1.5px;
}
.equipe-face-verso h3 { color: var(--branco); font-size: 27px; margin: 10px 0 12px; }
.equipe-face-verso .crea { color: var(--amarelo-claro); font-size: 13px; font-weight: 600; letter-spacing: 0.5px; }

@media (prefers-reduced-motion: reduce) {
    .equipe-flip-inner { transition: none; }
}

/* =================== SERVIÇOS DETALHADO =================== */
.servico-bloco {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 72px;
    align-items: center;
    padding: 68px 0;
    border-bottom: 1px solid var(--hairline);
}
.servico-bloco:last-child { border-bottom: none; }
.servico-bloco.reverse .servico-media { order: 2; }
.servico-bloco.reverse .servico-text { order: 1; }
.servico-media img {
    border-radius: var(--radius);
    aspect-ratio: 4/3;
    object-fit: cover;
    width: 100%;
}
.servico-num {
    font-family: var(--font-body);
    font-size: 12px;
    color: var(--cinza-medio);
    font-weight: 700;
    letter-spacing: 3px;
}
.servico-text h3 { font-size: 32px; margin: 12px 0 16px; }
.servico-text p { color: var(--cinza-texto); margin-bottom: 18px; font-size: 15.5px; }

/* =================== PORTFÓLIO =================== */
.filtros { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 44px; }
.filtro-btn {
    padding: 10px 20px;
    border-radius: var(--radius);
    border: 1px solid var(--hairline);
    font-family: var(--font-body);
    font-size: 13px;
    font-weight: 600;
    color: var(--cinza-texto);
    background: var(--branco);
    cursor: pointer;
    transition: var(--transition);
}
.filtro-btn:hover { border-color: var(--navy); color: var(--navy); }
.filtro-btn.active { background: var(--navy); color: var(--branco); border-color: var(--navy); }

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}
.projeto-card {
    position: relative;
    border-radius: var(--radius);
    overflow: hidden;
    background: var(--cinza-claro);
    aspect-ratio: 4/3;
    display: block;
}
.projeto-card img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.45s ease, opacity 0.4s ease; }

/* Galeria de destaque (página de Projetos): cartões maiores, centralizados */
.portfolio-grid-galeria {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 44px;
}
.portfolio-grid-galeria .projeto-card { width: 440px; max-width: 100%; }
.projeto-card:hover img { transform: scale(1.05); }
.projeto-overlay {
    position: absolute; inset: 0;
    background: linear-gradient(180deg, rgba(7,31,56,0) 38%, rgba(7,31,56,0.92) 100%);
    display: flex; flex-direction: column; justify-content: flex-end;
    padding: 24px;
    color: var(--branco);
}
.projeto-overlay .cat {
    font-size: 10.5px;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--amarelo-claro);
    margin-bottom: 6px;
    font-weight: 700;
}
.projeto-overlay h3 { color: var(--branco); font-size: 21px; }
.projeto-overlay .meta { font-size: 13px; color: #bccbdb; margin-top: 4px; }

/* Página de detalhe do projeto */
.projeto-detalhe-header { margin-bottom: 40px; }

/* Galeria em carrossel */
.galeria-carrossel { position: relative; margin: 30px 0; }
.galeria-track {
    display: flex;
    gap: 16px;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scroll-behavior: smooth;
    padding-bottom: 6px;
    scrollbar-width: none;
}
.galeria-track::-webkit-scrollbar { display: none; }
.galeria-slide {
    flex: 0 0 auto;
    width: 320px;
    scroll-snap-align: start;
}
.galeria-slide img {
    border-radius: var(--radius);
    aspect-ratio: 4/3;
    object-fit: cover;
    width: 100%;
    cursor: pointer;
    transition: var(--transition);
}
.galeria-slide img:hover { opacity: 0.9; }
.galeria-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 42px; height: 42px;
    border-radius: 50%;
    border: 1px solid var(--hairline);
    background: var(--branco);
    color: var(--navy);
    font-size: 22px;
    line-height: 1;
    display: flex; align-items: center; justify-content: center;
    cursor: pointer;
    box-shadow: 0 6px 18px rgba(10, 44, 77, 0.14);
    transition: var(--transition);
}
.galeria-nav:hover { background: var(--navy); color: var(--branco); border-color: var(--navy); }
.galeria-nav.prev { left: -8px; }
.galeria-nav.next { right: -8px; }
@media (max-width: 600px) {
    .galeria-slide { width: 78%; }
    .galeria-nav { display: none; }
}
.escopo-lista { margin-top: 24px; }
.escopo-lista li { padding: 12px 0; border-bottom: 1px solid var(--hairline); display: flex; gap: 12px; align-items: center; color: var(--navy); font-size: 15px; }
.escopo-lista li::before { content: '—'; color: var(--amarelo); font-weight: 700; }

/* =================== CTA BANNER =================== */
.cta-banner {
    background: var(--navy-profundo);
    color: var(--branco);
    border-radius: var(--radius);
    padding: 68px 64px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 30px;
    flex-wrap: wrap;
}
.cta-banner h2 { color: var(--branco); font-size: clamp(26px, 3vw, 36px); max-width: 560px; }
.cta-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.cta-banner .btn-primary { background: var(--amarelo); color: var(--navy-profundo); }
.cta-banner .btn-primary:hover { background: var(--amarelo-claro); }

/* =================== CONTATO =================== */
.contato-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 64px;
}
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 8px; color: var(--navy); }
.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 14px 16px;
    border: 1px solid var(--hairline);
    border-radius: var(--radius);
    font-family: var(--font-body);
    font-size: 15px;
    color: var(--navy);
    transition: var(--transition);
    background: var(--branco);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--azul);
    box-shadow: 0 0 0 3px rgba(19, 115, 214, 0.12);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.hp-field { position: absolute; left: -9999px; opacity: 0; height: 0; width: 0; }

/* Campo obrigatório vazio: borda laranja + tremida única */
.form-group .campo-erro {
    border-color: #e8710a;
    box-shadow: 0 0 0 3px rgba(232, 113, 10, 0.15);
    animation: campo-shake 0.4s ease 1;
}
@keyframes campo-shake {
    0%, 100% { transform: translateX(0); }
    20% { transform: translateX(-7px); }
    40% { transform: translateX(6px); }
    60% { transform: translateX(-4px); }
    80% { transform: translateX(3px); }
}

.alert {
    padding: 16px 20px;
    border-radius: var(--radius);
    margin-bottom: 26px;
    font-size: 15px;
    font-weight: 500;
}
.alert-success { background: #e6f6ec; color: #1c7a3c; border: 1px solid #b7e6c5; }
.alert-error { background: #fdecec; color: #b3261e; border: 1px solid #f3c1bd; }

.info-card {
    background: var(--cinza-claro);
    border: 1px solid var(--hairline);
    border-radius: var(--radius);
    padding: 34px;
}
.info-item { display: flex; gap: 16px; margin-bottom: 24px; align-items: flex-start; }
.info-item .icon-box {
    width: 42px; height: 42px;
    border-radius: var(--radius);
    background: var(--navy);
    color: var(--branco);
    display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.info-item h4 { font-size: 17px; margin-bottom: 4px; }
.info-item p, .info-item a { color: var(--cinza-texto); font-size: 14px; }
.info-item a:hover { color: var(--azul); }
.map-embed { border-radius: var(--radius); overflow: hidden; margin-top: 30px; border: 0; width: 100%; height: 260px; }

.social-row { display: flex; gap: 12px; margin-top: 22px; }
.social-row a {
    width: 40px; height: 40px;
    border-radius: var(--radius);
    border: 1px solid var(--hairline);
    color: var(--navy);
    display: flex; align-items: center; justify-content: center;
    transition: var(--transition);
}
.social-row a:hover { background: var(--navy); border-color: var(--navy); color: var(--branco); }

/* =================== FOOTER =================== */
/* Footer claro, editorial */
.site-footer {
    background: var(--cinza-claro);
    color: var(--cinza-texto);
    padding-top: 76px;
    border-top: 1px solid var(--hairline);
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
    gap: 44px;
    padding-bottom: 54px;
    border-bottom: 1px solid var(--hairline);
}
.footer-grid h4 { color: var(--navy); font-size: 18px; margin-bottom: 20px; }
.footer-grid ul li { margin-bottom: 12px; font-size: 14px; }
.footer-grid ul li a { transition: var(--transition); }
.footer-grid ul li a:hover { color: var(--azul); }
.footer-about p { font-size: 14px; margin: 18px 0 20px; color: var(--cinza-texto); }
.footer-bottom {
    display: flex; justify-content: space-between; align-items: center;
    padding: 24px 0; font-size: 13px; color: var(--cinza-medio); flex-wrap: wrap; gap: 10px;
}

/* =================== LOADER (predinho) =================== */
html.is-loading { overflow: hidden; }
.site-loader {
    position: fixed;
    inset: 0;
    z-index: 5000;
    background: var(--branco);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 22px;
    opacity: 1;
    visibility: visible;
    transition: opacity 0.4s ease, visibility 0.4s ease;
}
.site-loader.is-hidden { opacity: 0; visibility: hidden; pointer-events: none; }

.site-loader-svg { width: 132px; height: auto; overflow: visible; }

.sl-building {
    fill: none;
    stroke: var(--navy);
    stroke-width: 3.2;
    stroke-linecap: round;
    stroke-linejoin: round;
    stroke-dasharray: 1;
    animation: slDrawShort 3.6s ease-in-out infinite;
}
.sl-building-tall { animation-name: slDrawTall; }

.sl-ground { stroke: var(--hairline); stroke-width: 3; stroke-linecap: round; }

.sl-win {
    stroke: var(--navy);
    stroke-width: 3.2;
    stroke-linecap: round;
    stroke-dasharray: 1;
    opacity: 0;
    animation: slWinShow 3.6s ease-in-out infinite;
}
.sl-win-accent { stroke: var(--amarelo); }
.sl-win-1 { animation-delay: 0s; }
.sl-win-2 { animation-delay: .12s; }
.sl-win-3 { animation-delay: .24s; }
.sl-win-short { animation-delay: -.05s; }

.sl-dot { fill: var(--amarelo); opacity: 0; animation: slDotShow 3.6s ease-in-out infinite; }

@keyframes slDrawShort {
    0%   { stroke-dashoffset: 1; }
    4%   { stroke-dashoffset: 1; }
    20%  { stroke-dashoffset: 0; }
    88%  { stroke-dashoffset: 0; }
    93%  { stroke-dashoffset: 1; }
    100% { stroke-dashoffset: 1; }
}
@keyframes slDrawTall {
    0%   { stroke-dashoffset: 1; }
    22%  { stroke-dashoffset: 1; }
    56%  { stroke-dashoffset: 0; }
    88%  { stroke-dashoffset: 0; }
    93%  { stroke-dashoffset: 1; }
    100% { stroke-dashoffset: 1; }
}
@keyframes slWinShow {
    0%   { opacity: 0; stroke-dashoffset: 1; }
    56%  { opacity: 0; stroke-dashoffset: 1; }
    62%  { opacity: 1; stroke-dashoffset: 0; }
    88%  { opacity: 1; stroke-dashoffset: 0; }
    91%  { opacity: 0; stroke-dashoffset: 1; }
    100% { opacity: 0; stroke-dashoffset: 1; }
}
@keyframes slDotShow {
    0%   { opacity: 0; }
    66%  { opacity: 0; }
    72%  { opacity: 1; }
    88%  { opacity: 1; }
    91%  { opacity: 0; }
    100% { opacity: 0; }
}

.site-loader-label {
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--navy);
}
.site-loader-dots { display: inline-block; width: 16px; text-align: left; }
.site-loader-dots::after { content: '.'; animation: slDotsCycle 1.4s steps(4, end) infinite; }
@keyframes slDotsCycle {
    0%   { content: '.'; }
    25%  { content: '..'; }
    50%  { content: '...'; }
    75%  { content: ''; }
}

@media (prefers-reduced-motion: reduce) {
    .sl-building, .sl-win, .sl-dot, .site-loader-dots::after { animation: none !important; }
    .sl-building { stroke-dashoffset: 0; }
    .sl-win, .sl-dot { opacity: 1; stroke-dashoffset: 0; }
    .site-loader { transition: none; }
}

/* =================== WHATSAPP FLUTUANTE =================== */
.whatsapp-float {
    position: fixed;
    bottom: 24px; right: 24px;
    width: 58px; height: 58px;
    background: var(--amarelo);
    border-radius: 16px;
    display: flex; align-items: center; justify-content: center;
    box-shadow: 0 8px 24px rgba(0,0,0,0.22);
    z-index: 999;
    transition: var(--transition);
}
.whatsapp-float:hover { transform: scale(1.06); background: var(--amarelo-claro); }
.whatsapp-float svg {
    width: 30px; height: 30px;
    fill: var(--branco);
}

/* =================== LIGHTBOX =================== */
.lightbox {
    position: fixed; inset: 0; background: rgba(7, 31, 56, 0.95);
    display: none; align-items: center; justify-content: center;
    z-index: 2000; padding: 40px;
}
.lightbox.open { display: flex; }
.lightbox img { max-width: 90vw; max-height: 85vh; border-radius: var(--radius); }
.lightbox-close {
    position: absolute; top: 26px; right: 30px;
    color: #fff; font-size: 32px; cursor: pointer; background: none; border: none;
}

/* =================== ANIMAÇÕES DE ENTRADA =================== */
.reveal {
    opacity: 0;
    transform: translateY(16px);
    transition: opacity 0.55s ease, transform 0.55s ease;
}
.reveal.in-view { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
    .reveal { opacity: 1; transform: none; transition: none; }
    .form-group .campo-erro { animation: none; }
    html { scroll-behavior: auto; }
}

/* =================== RESPONSIVO =================== */
@media (max-width: 980px) {
    .main-nav, .header-cta .btn { display: none; }
    .nav-toggle { display: flex; }
    .stats-grid, .grid-cards, .equipe-grid, .portfolio-grid { grid-template-columns: repeat(2, 1fr); }
    .split, .servico-bloco, .contato-grid { grid-template-columns: 1fr; gap: 44px; }
    .split-reverse .split-media, .servico-bloco.reverse .servico-media { order: -1; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .form-row { grid-template-columns: 1fr; }
    .section { padding: 80px 0; }
}

@media (max-width: 600px) {
    :root { --header-h: 72px; }
    .logo img { height: 46px; }
    .stats-grid, .grid-cards, .equipe-grid, .portfolio-grid, .footer-grid { grid-template-columns: 1fr; }
    .stats-grid { padding-top: 28px; padding-bottom: 28px; gap: 34px; }
    .stat-item { padding-left: 22px; }
    .grid-cards { gap: 36px; }
    .cta-banner { padding: 44px 26px; }
    .cta-banner .btn { width: 100%; }
    .section { padding: 64px 0; }
    .hero { min-height: calc(72vh - var(--header-h)); }
    .hero-content { padding-top: 64px; padding-bottom: 64px; }
    .hero p.lead { font-size: 15.5px; }
    .hero-actions .btn { width: 100%; }
    .servico-bloco { padding: 48px 0; }
    .equipe-grid { gap: 40px; }
}

/* Menu mobile aberto */
.main-nav.open {
    display: flex;
    position: absolute;
    top: 100%; left: 0; right: 0;
    background: var(--branco);
    flex-direction: column;
    padding: 20px 24px 26px;
    gap: 18px;
    border-bottom: 1px solid var(--hairline);
    box-shadow: 0 14px 30px rgba(10, 44, 77, 0.1);
}