/* ========================================
   ACB Construções — Refined Styles
   ======================================== */

:root {
    --bg: #0b0f1a;
    --bg2: #101524;
    --bg3: #151b30;
    --gold: #c8943a;
    --gold-light: #dbb162;
    --gold-dim: rgba(200,148,58,0.12);
    --white: #f2f2f5;
    --gray: #9a9ab0;
    --gray-dark: #5c5c72;
    --font: 'Outfit', 'Inter', sans-serif;
    --radius: 14px;
    --ease: cubic-bezier(.4,0,.2,1);
    --glow: rgba(200,148,58,.18);
}

*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
    font-family: var(--font);
    background: var(--bg);
    color: var(--white);
    line-height: 1.65;
    overflow-x: hidden;
    overscroll-behavior-x: none;
    touch-action: pan-y;
    -webkit-font-smoothing: antialiased;
    background-image: radial-gradient(circle at 15% 0%, rgba(200,148,58,.06), transparent 34rem), radial-gradient(circle at 90% 18%, rgba(72,100,180,.08), transparent 30rem);
}

/* Em telas touch, o navegador já controla o gesto de rolagem; manter o
   smooth global pode acumular animações quando o usuário arrasta a página. */
@media (hover: none), (pointer: coarse) {
    html { scroll-behavior: auto; }
}
img { max-width:100%; display:block; }
a { text-decoration:none; color:inherit; }
ul { list-style:none; }
.container { max-width:1140px; margin:0 auto; padding:0 20px; }

/* Utilities */
.text-gold { color: var(--gold-light); }

/* ===== NAVBAR ===== */
.navbar {
    position: fixed; top:0; left:0; right:0; z-index:100;
    padding: 14px 0;
    transition: background .35s var(--ease), padding .35s var(--ease), box-shadow .35s var(--ease);
}
.navbar.scrolled {
    background: rgba(11,15,26,.78);
    backdrop-filter: blur(16px);
    padding: 8px 0;
    box-shadow: 0 2px 24px rgba(0,0,0,.5);
}
.navbar::after { content:''; position:absolute; left:0; right:0; bottom:0; height:1px; background:linear-gradient(90deg, transparent, rgba(200,148,58,.35), transparent); opacity:.5; }
.nav-container { display:flex; align-items:center; justify-content:space-between; }

.nav-logo { display:flex; align-items:center; gap:12px; }
.logo-img {
    height: 52px; width: 52px;
    border-radius: 12px;
    object-fit: cover;
    border: 2px solid rgba(200,148,58,.25);
}
.logo-text { display:flex; flex-direction:column; line-height:1.1; }
.logo-name { font-size:1.25rem; font-weight:800; color:var(--gold-light); letter-spacing:.02em; }
.logo-sub { font-size:.65rem; font-weight:600; color:var(--gray); text-transform:uppercase; letter-spacing:.12em; }

.nav-links { display:flex; gap:4px; }
.nav-links a {
    padding: 8px 18px; border-radius:8px;
    font-size:.88rem; font-weight:500; color:var(--gray);
    transition: color .25s, background .25s;
}
.nav-links a:hover, .nav-links a.active { color:var(--gold-light); background:var(--gold-dim); }

.nav-cta {
    display:inline-flex; align-items:center; gap:8px;
    padding:10px 22px; border-radius:10px;
    background: var(--gold); color:var(--bg);
    font-size:.84rem; font-weight:700;
    transition: transform .25s, box-shadow .25s;
}
.nav-cta:hover { transform:translateY(-2px); box-shadow:0 6px 20px rgba(200,148,58,.35); }

.hamburger { display:none; flex-direction:column; gap:5px; background:none; border:none; cursor:pointer; padding:8px; z-index:101; }
.hamburger span { width:22px; height:2px; background:var(--white); border-radius:2px; transition:.3s var(--ease); }
.hamburger.active span:nth-child(1) { transform:rotate(45deg) translate(5px,5px); }
.hamburger.active span:nth-child(2) { opacity:0; }
.hamburger.active span:nth-child(3) { transform:rotate(-45deg) translate(5px,-5px); }

/* ===== BUTTONS ===== */
.btn {
    display:inline-flex; align-items:center; gap:10px;
    padding:14px 30px; border-radius:12px;
    font-family:var(--font); font-size:.92rem; font-weight:700;
    border:none; cursor:pointer; transition:.3s var(--ease);
}
.btn-gold { background:var(--gold); color:var(--bg); }
.btn-gold:hover { background:var(--gold-light); transform:translateY(-2px); box-shadow:0 8px 28px rgba(200,148,58,.3); }
.btn-ghost { background:transparent; color:var(--white); border:1.5px solid rgba(255,255,255,.15); }
.btn-ghost:hover { border-color:var(--gold); color:var(--gold-light); transform:translateY(-2px); }
.btn-lg { padding:18px 38px; font-size:1rem; border-radius:14px; }

/* ===== HERO ===== */
.hero {
    position:relative; min-height:100vh; min-height:100dvh;
    display:flex; flex-direction:column; justify-content:center;
    overflow:hidden;
}
.hero-bg { position:absolute; inset:0; z-index:0; }
.hero-bg-img { width:100%; height:100%; object-fit:cover; }
.hero-overlay {
    position:absolute; inset:0;
    background:
        linear-gradient(180deg, rgba(11,15,26,.55) 0%, rgba(11,15,26,.78) 55%, var(--bg) 100%);
}
.hero::after { content:''; position:absolute; inset:0; pointer-events:none; background:linear-gradient(90deg, rgba(200,148,58,.08) 1px, transparent 1px), linear-gradient(rgba(200,148,58,.06) 1px, transparent 1px); background-size:72px 72px; mask-image:linear-gradient(to bottom, rgba(0,0,0,.45), transparent 58%); opacity:.25; }

.hero-content { position:relative; z-index:1; padding:160px 0 80px; text-align:center; }
.hero-title {
    font-size: clamp(2.2rem, 5.5vw, 3.8rem);
    font-weight:900; line-height:1.08;
    margin-bottom:20px; letter-spacing:-.02em;
}
.hero-subtitle {
    font-size: clamp(.95rem, 1.8vw, 1.15rem);
    color:var(--gray); max-width:520px;
    margin:0 auto 36px; line-height:1.7;
}
.hero-actions { display:flex; gap:14px; justify-content:center; flex-wrap:wrap; }

/* Stats bar */
.stats-bar {
    position:relative; z-index:1;
    background: rgba(21,27,48,.7);
    backdrop-filter: blur(12px);
    border-top:1px solid rgba(255,255,255,.06);
    border-bottom:1px solid rgba(255,255,255,.06);
    padding:24px 0;
}
.stats-container { display:flex; align-items:center; justify-content:center; gap:40px; }
.stat-item { text-align:center; }
.stat-item strong {
    display:inline; font-size:1.7rem; font-weight:900; color:var(--gold-light);
}
.stat-suffix { font-size:1.1rem; font-weight:700; color:var(--gold); }
.stat-item small { display:block; font-size:.75rem; color:var(--gray); font-weight:500; text-transform:uppercase; letter-spacing:.08em; margin-top:2px; }
.stat-sep { width:1px; height:36px; background:rgba(255,255,255,.08); }

/* ===== SOBRE ===== */
.sobre { padding:100px 0; background:var(--bg2); }
.sobre-grid { display:grid; grid-template-columns:1fr 1fr; gap:60px; align-items:center; }
.sobre-img-wrap { position:relative; border-radius:var(--radius); overflow:hidden; }
.sobre-img { width:100%; height:440px; object-fit:cover; border-radius:var(--radius); }
.sobre-badge {
    position:absolute; bottom:20px; right:20px;
    background:var(--gold); color:var(--bg);
    padding:16px 22px; border-radius:12px; text-align:center;
}
.badge-num { display:block; font-size:1.6rem; font-weight:900; line-height:1; }
.badge-txt { font-size:.65rem; font-weight:700; text-transform:uppercase; letter-spacing:.04em; }

.sobre-tag {
    font-size:.78rem; font-weight:700; color:var(--gold);
    text-transform:uppercase; letter-spacing:.1em; margin-bottom:10px;
}
.sobre-title { font-size:clamp(1.6rem,3vw,2.4rem); font-weight:800; margin-bottom:20px; line-height:1.15; }
.sobre-desc { color:var(--gray); margin-bottom:16px; font-size:.95rem; }
.sobre-checks { margin-top:24px; display:grid; gap:12px; }
.sobre-checks li {
    display:flex; align-items:center; gap:10px;
    font-size:.9rem; font-weight:500; color:var(--white);
}
.sobre-checks svg { color:var(--gold); flex-shrink:0; }

/* ===== SERVIÇOS ===== */
.servicos { padding:100px 0; background:var(--bg); }
.sec-header { text-align:center; margin-bottom:56px; }
.sec-tag {
    font-size:.78rem; font-weight:700; color:var(--gold);
    text-transform:uppercase; letter-spacing:.1em; margin-bottom:8px;
}
.sec-title { font-size:clamp(1.6rem,3.2vw,2.5rem); font-weight:800; }

.services-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:22px; }

.svc-card {
    background:var(--bg2);
    border:1px solid rgba(255,255,255,.04);
    border-radius:var(--radius); overflow:hidden;
    box-shadow: inset 0 1px 0 rgba(255,255,255,.035);
    transition: transform .4s var(--ease), border-color .4s, box-shadow .4s;
}
.svc-card:hover {
    transform:translateY(-6px);
    border-color:rgba(200,148,58,.18);
    box-shadow:0 16px 48px rgba(0,0,0,.35);
}
.svc-img { height:180px; overflow:hidden; }
.svc-img img { width:100%; height:100%; object-fit:cover; transition:transform .6s var(--ease); }
.svc-card:hover .svc-img img { transform:scale(1.08); }

.svc-body { padding:24px; }
.svc-num { font-size:.72rem; font-weight:800; color:var(--gold); letter-spacing:.06em; }
.svc-body h3 { font-size:1.05rem; font-weight:700; margin:8px 0; }
.svc-body p { font-size:.85rem; color:var(--gray); line-height:1.6; }

/* ===== CTA ===== */
.cta { padding:60px 0; background:var(--bg2); }
.cta-box {
    background:linear-gradient(135deg, var(--bg3), rgba(200,148,58,.08));
    border:1px solid rgba(200,148,58,.12);
    border-radius:20px; padding:64px 40px;
    text-align:center; position:relative; overflow:hidden;
}
.cta-box::before {
    content:''; position:absolute; top:-60%; right:-20%;
    width:400px; height:400px; border-radius:50%;
    background:radial-gradient(circle,rgba(200,148,58,.06),transparent 70%);
    pointer-events:none;
}
.cta-box h2 { font-size:clamp(1.5rem,3vw,2.2rem); font-weight:800; margin-bottom:12px; }
.cta-box p { color:var(--gray); margin-bottom:32px; font-size:1rem; }

/* ===== CONTATO ===== */
.contato { padding:100px 0; background:var(--bg); }
.contato-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:22px; }

.contato-card {
    background:var(--bg2); border:1px solid rgba(255,255,255,.04);
    border-radius:var(--radius); padding:36px 28px;
    text-align:center; transition:.35s var(--ease);
    display:block; cursor:pointer; box-shadow: inset 0 1px 0 rgba(255,255,255,.035);
}
.contato-card:hover { transform:translateY(-4px); border-color:rgba(200,148,58,.2); }

.cc-icon {
    width:60px; height:60px; border-radius:50%;
    display:flex; align-items:center; justify-content:center;
    margin:0 auto 20px;
    background:var(--gold-dim); color:var(--gold);
    border:1px solid rgba(200,148,58,.15);
    transition:.35s var(--ease);
}
.contato-card:hover .cc-icon { background:var(--gold); color:var(--bg); border-color:transparent; transform:scale(1.08); }
.cc-icon-wpp { background:rgba(37,211,102,.1); color:#25D366; border-color:rgba(37,211,102,.2); }
.contato-card:hover .cc-icon-wpp { background:#25D366; color:var(--bg); }

.contato-card h3 { font-size:1rem; font-weight:700; margin-bottom:6px; }
.contato-card p { font-size:.9rem; color:var(--gray); }

/* ===== FOOTER ===== */
.footer { background:var(--bg2); padding:40px 0; border-top:1px solid rgba(255,255,255,.04); }
.footer-inner { display:flex; align-items:center; justify-content:space-between; flex-wrap:wrap; gap:20px; }
.footer-left { display:flex; align-items:center; gap:12px; }
.footer-logo { width:36px; height:36px; border-radius:8px; object-fit:cover; }
.footer-left span { font-weight:700; font-size:.9rem; }
.footer-links { display:flex; gap:24px; }
.footer-links a { font-size:.82rem; color:var(--gray); font-weight:500; transition:color .25s; }
.footer-links a:hover { color:var(--gold-light); }
.footer-copy { font-size:.75rem; color:var(--gray-dark); }

/* ===== WHATSAPP FLOAT ===== */
.wpp-float {
    position:fixed; bottom:24px; right:24px; z-index:90;
    display:flex; align-items:center; gap:10px;
    background:#25D366; color:#fff;
    padding:14px 22px; border-radius:50px;
    font-size:.85rem; font-weight:700;
    box-shadow:0 4px 20px rgba(37,211,102,.35);
    transition:.3s var(--ease);
    opacity:0; transform:translateY(20px);
}
.wpp-float.show { opacity:1; transform:translateY(0); }
.wpp-float:hover { transform:translateY(-3px) scale(1.03); box-shadow:0 8px 28px rgba(37,211,102,.45); }
.wpp-label { display:inline; }

/* ===== RESPONSIVE ===== */
@media(max-width:1024px) {
    .sobre-grid { grid-template-columns:1fr; gap:40px; }
    .sobre-img { height:320px; }
    .services-grid { grid-template-columns:repeat(2,1fr); }
}

@media(max-width:768px) {
    .nav-links {
        position:fixed; top:0; right:0; bottom:0; left:auto; width:min(88vw, 360px);
        background:linear-gradient(165deg, rgba(20,27,48,.99), rgba(11,15,26,.99)); backdrop-filter:blur(20px);
        border-left:1px solid rgba(200,148,58,.18); box-shadow:-24px 0 70px rgba(0,0,0,.45);
        flex-direction:column; align-items:stretch; justify-content:flex-start; gap:6px;
        padding:112px 24px 32px;
        opacity:0; visibility:hidden; pointer-events:none;
        transform:translateX(105%);
        transition: opacity .35s var(--ease), visibility .35s, transform .35s var(--ease);
        z-index:100;
    }
    .nav-links.active {
        opacity:1; visibility:visible; pointer-events:auto;
        transform:translateX(0);
    }
    .nav-links::before { content:'Navegação'; display:block; color:var(--gold); font-size:.72rem; font-weight:800; letter-spacing:.14em; text-transform:uppercase; margin:0 14px 14px; }
    .nav-links li { border-bottom:1px solid rgba(255,255,255,.07); }
    .nav-links a { display:block; font-size:1.1rem; padding:16px 14px; color:var(--white); }
    .nav-links a:hover, .nav-links a.active { background:rgba(200,148,58,.12); color:var(--gold-light); }
    .nav-cta { display:none; }
    .hamburger { display:flex; }

    .hero-content { padding:130px 0 50px; }
    .hero-title { font-size:clamp(1.8rem,7vw,2.6rem); }

    .stats-container { gap:20px; }
    .stat-item strong { font-size:1.35rem; }
    .stat-suffix { font-size:.9rem; }
    .stat-item small { font-size:.65rem; }
    .stat-sep { height:28px; }

    .services-grid { grid-template-columns:1fr; }
    .contato-grid { grid-template-columns:1fr; }
    .cta-box { padding:48px 24px; }

    .footer-inner { flex-direction:column; text-align:center; }
    .footer-links { justify-content:center; flex-wrap:wrap; }

    .wpp-float { bottom:18px; right:18px; padding:12px 18px; font-size:.8rem; }
}

@media(max-width:768px) {
    .navbar.menu-open::before { content:''; position:fixed; inset:0; background:rgba(3,5,10,.58); z-index:99; pointer-events:auto; }
    .navbar.menu-open .hamburger { position:relative; }
}

@media(max-width:480px) {
    .container { padding:0 16px; }
    .hero-actions { flex-direction:column; align-items:center; }
    .btn { width:100%; justify-content:center; max-width:300px; }
    .hero-title { font-size:1.7rem; }
    .logo-img { height:44px; width:44px; }
    .logo-name { font-size:1.1rem; }
    .stats-container { gap:16px; }
    .stat-item strong { font-size:1.2rem; }
    .stat-sep { height:24px; }
    .wpp-label { display:none; }
    .wpp-float { padding:14px; border-radius:50%; }
}

/* ===== PREMIUM POLISH ===== */
:root {
    --surface: rgba(19, 26, 45, .72);
    --line: rgba(255,255,255,.09);
}

.navbar { padding: 18px 0; }
.nav-logo { position:relative; }
.nav-logo::after { content:''; position:absolute; left:0; bottom:-8px; width:28px; height:2px; background:var(--gold); border-radius:2px; opacity:.8; }
.logo-img { box-shadow:0 8px 24px rgba(0,0,0,.25); }
.nav-links { gap:8px; }
.nav-links a { letter-spacing:.01em; }
.nav-cta { box-shadow:0 8px 22px rgba(200,148,58,.16); }

.hero-content { text-align:left; }
.hero-title { max-width:720px; text-shadow:0 10px 35px rgba(0,0,0,.3); }
.hero-subtitle { margin-left:0; }
.hero-actions { justify-content:flex-start; }
.hero::before { content:'ACB CONSTRUÇÕES  /  PROJETOS COM PROPÓSITO'; position:absolute; z-index:1; top:126px; left:max(20px, calc((100% - 1140px) / 2 + 20px)); color:rgba(219,177,98,.9); font-size:.68rem; font-weight:800; letter-spacing:.2em; }

.stats-bar { background:rgba(11,15,26,.52); border-color:rgba(255,255,255,.1); }
.stat-item strong { text-shadow:0 0 24px rgba(219,177,98,.28); }
.sobre, .contato { background:linear-gradient(180deg, var(--bg2), #0d1220); }
.sobre-img-wrap { box-shadow:0 24px 60px rgba(0,0,0,.28); }
.sobre-img-wrap::after { content:''; position:absolute; inset:0; border:1px solid rgba(255,255,255,.12); border-radius:var(--radius); pointer-events:none; }
.sobre-badge { box-shadow:0 14px 30px rgba(0,0,0,.25); }
.sobre-title, .sec-title { letter-spacing:-.025em; }
.sobre-desc { font-size:1rem; line-height:1.8; }
.sobre-checks li { padding:8px 12px; border:1px solid rgba(255,255,255,.06); border-radius:10px; background:rgba(255,255,255,.018); }

.sec-header { position:relative; }
.sec-header::after { content:''; display:block; width:46px; height:3px; margin:18px auto 0; border-radius:3px; background:linear-gradient(90deg, var(--gold), transparent); }
.svc-card, .contato-card { background:linear-gradient(145deg, rgba(24,32,54,.9), rgba(14,19,33,.92)); border-color:var(--line); }
.svc-body h3 { letter-spacing:-.01em; }
.svc-num { display:inline-flex; align-items:center; justify-content:center; width:30px; height:22px; border:1px solid rgba(200,148,58,.28); border-radius:6px; }
.cta-box { box-shadow:0 20px 70px rgba(0,0,0,.2); }
.footer { background:#090d16; }

@media(max-width:768px) {
    .navbar { padding:12px 0; }
    .hero::before { top:98px; left:16px; font-size:.58rem; letter-spacing:.14em; }
    .hero-content { text-align:center; }
    .hero-subtitle { margin-left:auto; }
    .hero-actions { justify-content:center; }
    .sobre-desc { font-size:.95rem; }
}