/* ============================================================
   LOURENÇO TERRAPLENAGEM E CONSTRUÇÃO
   Folha de Estilos Principal
   Paleta: Preto + Amarelo (#F9B316)
   ============================================================ */

:root {
    --am: #F9B316;
    --am-c: #FFC73E;
    --cz: #f5f5f5;
    --pr: #0a0a0a;
    --tx: #1a1a1a;
    --ci: #666;
    --br: #ffffff;
    --raio: 12px;
    --sombra: 0 2px 8px rgba(0,0,0,.08);
    --sombra-lg: 0 12px 35px -5px rgba(0,0,0,.18);
}

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

html { scroll-behavior: smooth; }

body {
    font-family: 'Inter', -apple-system, sans-serif;
    color: var(--tx);
    line-height: 1.6;
    background: var(--br);
}

.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
a { text-decoration: none; }
img { max-width: 100%; display: block; }

/* ============================================================
   HEADER — MENU COM FUNDO BRANCO
   ============================================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: #ffffff;
    box-shadow: 0 2px 12px rgba(0,0,0,.08);
}
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}
.logo-link {
    display: flex;
    align-items: center;
    text-decoration: none;
}
.logo-box {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: #ffffff;
    border-radius: 8px;
    padding: 4px 8px;
}
.logo-img {
    height: 42px;
    width: auto;
    display: block;
}
.nav {
    display: flex;
    gap: 28px;
    align-items: center;
}
.nav a {
    color: #1a1a1a;
    font-weight: 600;
    font-size: .9rem;
    transition: color .2s;
    position: relative;
}
.nav a:hover { color: var(--am); }
.nav a:hover::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--am);
}
.btn-cotacao {
    background: var(--am);
    color: #000 !important;
    padding: 10px 24px;
    border-radius: var(--raio);
    font-weight: 700 !important;
    font-size: .85rem !important;
    transition: all .2s;
}
.btn-cotacao:hover {
    background: var(--am-c);
    transform: translateY(-1px);
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
    margin-top: 72px;
    min-height: 580px;
    background: linear-gradient(160deg, rgba(0,0,0,.93), rgba(0,0,0,.6)),
                url('assets/img/hero-bg.jpg') center/cover;
    display: flex;
    align-items: center;
    color: var(--br);
    position: relative;
}
.hero::after {
    content: '';
    position: absolute;
    bottom: 0; left: 0; right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--am), var(--am-c), var(--am));
}
.hero-badges {
    display: flex;
    gap: 10px;
    margin-bottom: 24px;
    flex-wrap: wrap;
}
.hero-badge {
    background: rgba(249,179,22,.12);
    border: 1px solid rgba(249,179,22,.4);
    color: var(--am);
    padding: 7px 18px;
    border-radius: 24px;
    font-size: .75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .05em;
    display: flex;
    align-items: center;
    gap: 7px;
}
.hero-content { max-width: 700px; padding: 60px 0; }
.hero h1 {
    font-size: 2.7rem;
    font-weight: 900;
    line-height: 1.15;
    margin-bottom: 18px;
    letter-spacing: -.02em;
}
.hero h1 span { color: var(--am); }
.hero p {
    font-size: 1.1rem;
    margin-bottom: 32px;
    opacity: .9;
    max-width: 560px;
}
.hero-buttons { display: flex; gap: 14px; flex-wrap: wrap; }
.btn-primary {
    background: var(--am);
    color: var(--pr);
    padding: 14px 32px;
    border-radius: var(--raio);
    font-weight: 800;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    border: none;
    cursor: pointer;
    font-size: .95rem;
    transition: all .25s;
}
.btn-primary:hover {
    background: var(--am-c);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(249,179,22,.35);
}
.btn-outline {
    background: transparent;
    color: var(--br);
    border: 2px solid rgba(255,255,255,.25);
    padding: 12px 30px;
    border-radius: var(--raio);
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all .25s;
}
.btn-outline:hover { border-color: var(--am); color: var(--am); }

/* ============================================================
   CREDIBILIDADE
   ============================================================ */
.credibilidade {
    background: var(--pr);
    color: var(--br);
    padding: 20px 0;
    border-bottom: 1px solid #1a1a1a;
}
.credibilidade-inner {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    gap: 16px;
}
.cred-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: .82rem;
    color: #ccc;
}
.cred-item i { color: var(--am); font-size: 1.2rem; }

/* ============================================================
   SEÇÕES GENÉRICAS
   ============================================================ */
.section { padding: 80px 0; }
.section-clara { background: var(--cz); }
.section-escura { background: var(--pr); color: var(--br); }
.section-title {
    font-size: 2rem;
    font-weight: 900;
    text-align: center;
    margin-bottom: 8px;
    letter-spacing: -.02em;
}
.section-escura .section-title { color: var(--br); }
.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background: var(--am);
    margin: 14px auto 0;
    border-radius: 2px;
}
.section-subtitle {
    text-align: center;
    color: var(--ci);
    margin-bottom: 50px;
    font-size: 1rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}
.section-escura .section-subtitle { color: #aaa; }

/* ============================================================
   SOBRE
   ============================================================ */
.sobre-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}
.sobre-texto h2 {
    font-size: 1.9rem;
    font-weight: 900;
    text-align: left;
    margin-bottom: 8px;
}
.sobre-texto h2::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background: var(--am);
    margin: 14px 0 24px;
    border-radius: 2px;
}
.sobre-texto p { font-size: 1.02rem; line-height: 1.8; margin-bottom: 14px; }
.sobre-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-top: 28px;
}
.sobre-stat {
    background: var(--cz);
    padding: 24px 20px;
    border-radius: var(--raio);
    border-left: 5px solid var(--am);
    text-align: center;
}
.sobre-stat .num {
    font-size: 2.2rem;
    font-weight: 900;
    color: var(--pr);
    line-height: 1;
    margin-bottom: 6px;
}
.sobre-stat .label {
    font-size: .8rem;
    color: var(--ci);
    text-transform: uppercase;
    letter-spacing: .03em;
}
.sobre-img {
    width: 100%;
    height: 400px;
    border-radius: var(--raio);
    box-shadow: var(--sombra-lg);
    object-fit: cover;
    background: var(--cz);
}

/* ============================================================
   SERVIÇOS
   ============================================================ */
.servicos-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.servico-card {
    background: var(--br);
    border-radius: var(--raio);
    box-shadow: var(--sombra);
    padding: 36px 28px 28px;
    text-align: center;
    transition: all .3s;
    border: 1px solid #eee;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
}
.servico-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 4px;
    background: var(--am);
    transform: scaleX(0);
    transition: transform .3s;
}
.servico-card:hover::before { transform: scaleX(1); }
.servico-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--sombra-lg);
    border-color: var(--am);
}
.servico-card .icon-wrap {
    width: 72px;
    height: 72px;
    margin: 0 auto 20px;
    background: var(--cz);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all .3s;
    flex-shrink: 0;
}
.servico-card:hover .icon-wrap {
    background: var(--am);
    transform: rotate(5deg) scale(1.05);
}
.servico-card .icon-wrap i {
    font-size: 1.8rem;
    color: var(--am);
    transition: color .3s;
}
.servico-card:hover .icon-wrap i { color: var(--pr); }
.servico-card h3 { font-size: 1.15rem; margin-bottom: 10px; font-weight: 700; }
.servico-card p { color: var(--ci); font-size: .88rem; margin-bottom: 18px; }
.btn-servico {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--pr);
    font-weight: 700;
    font-size: .82rem;
    padding: 9px 20px;
    background: var(--am);
    border-radius: 8px;
    transition: all .2s;
    margin-top: auto;
}
.btn-servico:hover { background: var(--pr); color: var(--am); }

/* ============================================================
   SEGMENTOS
   ============================================================ */
.segmentos-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}
.segmento-card {
    background: rgba(255,255,255,.04);
    border: 1px solid rgba(255,255,255,.08);
    border-radius: var(--raio);
    padding: 28px 22px;
    transition: all .3s;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
}
.segmento-card:hover {
    background: rgba(249,179,22,.08);
    border-color: rgba(249,179,22,.4);
    transform: translateY(-4px);
}
.segmento-card .seg-icon-wrap {
    width: 56px;
    height: 56px;
    margin: 0 auto 16px;
    background: rgba(249,179,22,.12);
    border: 2px solid rgba(249,179,22,.4);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all .3s;
    flex-shrink: 0;
}
.segmento-card:hover .seg-icon-wrap {
    background: var(--am);
    border-color: var(--am);
    transform: scale(1.1);
}
.segmento-card .seg-icon-wrap i {
    font-size: 1.35rem;
    color: var(--am);
    transition: color .3s;
}
.segmento-card:hover .seg-icon-wrap i { color: var(--pr); }
.segmento-card h4 {
    font-size: 1rem;
    color: var(--br);
    margin-bottom: 8px;
    font-weight: 600;
}
.segmento-card p { font-size: .82rem; color: #999; line-height: 1.5; }

/* ============================================================
   FROTA
   ============================================================ */
.frota-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}
.frota-card {
    background: var(--br);
    border-radius: var(--raio);
    padding: 28px 18px;
    text-align: center;
    box-shadow: var(--sombra);
    transition: all .3s;
    border-bottom: 4px solid var(--am);
    display: flex;
    flex-direction: column;
    align-items: center;
}
.frota-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--sombra-lg);
}
.frota-card .frota-icon-wrap {
    width: 60px;
    height: 60px;
    margin: 0 auto 14px;
    background: var(--cz);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all .3s;
    flex-shrink: 0;
}
.frota-card:hover .frota-icon-wrap { background: var(--am); }
.frota-card .frota-icon-wrap i {
    font-size: 1.7rem;
    color: var(--am);
    transition: color .3s;
}
.frota-card:hover .frota-icon-wrap i { color: var(--pr); }
.frota-card h4 { font-size: .92rem; margin-bottom: 6px; font-weight: 600; }
.frota-card p { font-size: .8rem; color: var(--ci); }

/* ============================================================
   OBRAS
   ============================================================ */
.obras-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.obra-card {
    border-radius: var(--raio);
    overflow: hidden;
    box-shadow: var(--sombra);
    background: var(--br);
    transition: all .3s;
}
.obra-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--sombra-lg);
}
.obra-card img {
    width: 100%;
    height: 240px;
    object-fit: cover;
    transition: transform .4s;
}
.obra-card:hover img { transform: scale(1.05); }
.obra-card-body { padding: 18px; }
.obra-card-body h3 { font-size: 1.05rem; margin-bottom: 6px; }
.obra-tag {
    display: inline-block;
    background: var(--cz);
    color: var(--pr);
    padding: 4px 12px;
    border-radius: 4px;
    font-size: .72rem;
    font-weight: 700;
    margin-bottom: 8px;
    text-transform: uppercase;
}

/* ============================================================
   DIFERENCIAIS
   ============================================================ */
.dif-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
.dif-item {
    text-align: center;
    padding: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
}
.dif-icon {
    width: 68px;
    height: 68px;
    margin: 0 auto 16px;
    background: var(--br);
    border-radius: 50%;
    box-shadow: var(--sombra);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 3px solid var(--am);
    transition: all .3s;
    flex-shrink: 0;
}
.dif-item:hover .dif-icon {
    background: var(--am);
    transform: scale(1.05);
}
.dif-icon i {
    font-size: 1.5rem;
    color: var(--am);
    transition: color .3s;
}
.dif-item:hover .dif-icon i { color: var(--pr); }
.dif-item h3 { font-size: 1rem; margin-bottom: 8px; font-weight: 600; }
.dif-item p { font-size: .84rem; color: var(--ci); }

/* ============================================================
   COTAÇÃO RÁPIDA
   ============================================================ */
.cotacao-rapida {
    background: linear-gradient(135deg, var(--pr), #111);
    color: var(--br);
    padding: 70px 0;
    position: relative;
}
.cotacao-rapida::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--am), var(--am-c), var(--am));
}
.cotacao-form {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr auto;
    gap: 12px;
    max-width: 900px;
    margin: 0 auto;
}
.cotacao-form input,
.cotacao-form select {
    padding: 14px 18px;
    border: none;
    border-radius: var(--raio);
    font-size: .95rem;
    width: 100%;
    background: var(--br);
}
.cotacao-form input:focus,
.cotacao-form select:focus { outline: 2px solid var(--am); }
.cotacao-form button {
    padding: 14px 28px;
    background: var(--am);
    color: var(--pr);
    border: none;
    border-radius: var(--raio);
    font-weight: 800;
    cursor: pointer;
    white-space: nowrap;
    transition: all .2s;
}
.cotacao-form button:hover { background: var(--am-c); }

/* ============================================================
   DEPOIMENTOS
   ============================================================ */
.depo-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.depo-card {
    background: var(--br);
    border-radius: var(--raio);
    padding: 28px;
    box-shadow: var(--sombra);
    border-left: 4px solid var(--am);
    position: relative;
}
.depo-card .quote-icon {
    position: absolute;
    top: 16px;
    right: 20px;
    font-size: 2rem;
    color: var(--cz);
}
.depo-card p {
    font-style: italic;
    color: var(--ci);
    margin-bottom: 16px;
    font-size: .92rem;
}
.depo-card .autor { font-weight: 700; font-size: .9rem; }
.depo-card .empresa { font-size: .8rem; color: var(--ci); }
.depo-stars { color: var(--am); margin-bottom: 10px; font-size: .85rem; }

/* ============================================================
   FAQ
   ============================================================ */
.faq-list { max-width: 760px; margin: 0 auto; }
.faq-item {
    background: var(--br);
    border-radius: var(--raio);
    margin-bottom: 12px;
    box-shadow: var(--sombra);
    overflow: hidden;
}
.faq-q {
    padding: 18px 24px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 600;
    font-size: .95rem;
    transition: all .2s;
}
.faq-q:hover { color: var(--am); }
.faq-icon { transition: transform .3s; color: var(--am); }
.faq-item.active .faq-icon { transform: rotate(180deg); }
.faq-a {
    max-height: 0;
    overflow: hidden;
    transition: max-height .3s ease;
    padding: 0 24px;
}
.faq-item.active .faq-a { max-height: 300px; padding-bottom: 18px; }
.faq-a p { font-size: .9rem; color: var(--ci); }

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
    background: var(--pr);
    color: #999;
    padding: 50px 0 24px;
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 32px;
    margin-bottom: 32px;
}
.footer h4 {
    color: var(--br);
    margin-bottom: 16px;
    font-size: .9rem;
    text-transform: uppercase;
    letter-spacing: .03em;
}
.footer a {
    color: #999;
    font-size: .85rem;
    display: block;
    margin-bottom: 8px;
    transition: color .2s;
}
.footer a:hover { color: var(--am); }
.footer-bottom {
    text-align: center;
    padding-top: 24px;
    border-top: 1px solid #1a1a1a;
    font-size: .8rem;
}

/* ============================================================
   WHATSAPP FLUTUANTE
   ============================================================ */
.whatsapp-float {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 999;
    width: 56px;
    height: 56px;
    background: #25d366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 15px rgba(0,0,0,.3);
    transition: transform .2s;
}
.whatsapp-float:hover { transform: scale(1.1); }
.whatsapp-float i { color: #fff; font-size: 1.5rem; }

/* ============================================================
   RESPONSIVO
   ============================================================ */
@media (max-width: 768px) {
    .nav { display: none; }
    .hero h1 { font-size: 1.6rem; }
    .hero p { font-size: 1rem; }
    .hero-badges { flex-wrap: wrap; }
    .servicos-grid,
    .obras-grid,
    .depo-grid,
    .segmentos-grid { grid-template-columns: 1fr; }
    .dif-grid,
    .frota-grid { grid-template-columns: 1fr 1fr; }
    .sobre-grid { grid-template-columns: 1fr; gap: 30px; }
    .sobre-img { height: 280px; }
    .sobre-stats { grid-template-columns: 1fr; }
    .cotacao-form { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .section-title { font-size: 1.5rem; }
    .credibilidade-inner { flex-direction: column; gap: 10px; }
}