/* Mática Engenharia — estilos do site */
:root{
  --navy:#2B3582; --navy-900:#171d4d; --navy-800:#1f2766; --cyan:#00AEEF; --cyan-700:#0088bb;
  --ink:#1b1f2b; --muted:#5d6272; --line:#e2e5ee; --bg:#ffffff; --bg-alt:#f3f5f9;
  --radius:4px; --max:1200px; --shadow:0 10px 30px rgba(23,29,77,.10);
  --head:"Barlow Condensed",system-ui,sans-serif; --body:"Barlow",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--body);font-size:17px;line-height:1.6;color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:var(--navy);text-decoration:none}
a:hover{color:var(--cyan-700)}
h1,h2,h3,h4{font-family:var(--head);font-weight:600;line-height:1.1;margin:0 0 .5em;letter-spacing:.01em;color:var(--navy-900)}
h1{font-size:clamp(2.4rem,6vw,4.4rem);text-transform:uppercase}
h2{font-size:clamp(1.9rem,3.6vw,2.7rem);text-transform:uppercase}
h3{font-size:1.35rem}
p{margin:0 0 1em}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}
.eyebrow{font-family:var(--head);font-weight:600;font-size:.95rem;letter-spacing:.22em;text-transform:uppercase;color:var(--cyan-700);margin-bottom:.8em;display:block}
.rule{display:block;width:56px;height:3px;background:var(--cyan);margin:0 0 22px}
.center{text-align:center}.center .rule{margin-left:auto;margin-right:auto}
.section{padding:88px 0}
.section.alt{background:var(--bg-alt)}
.lead{font-size:1.15rem;color:var(--muted);max-width:760px}
.center .lead{margin-left:auto;margin-right:auto}
.btn{display:inline-flex;align-items:center;gap:.5em;font-family:var(--head);font-weight:600;font-size:1.02rem;letter-spacing:.12em;text-transform:uppercase;padding:14px 26px;border-radius:var(--radius);border:2px solid transparent;transition:.2s;cursor:pointer}
.btn-primary{background:var(--cyan);color:#fff}
.btn-primary:hover{background:var(--cyan-700);color:#fff}
.btn-ghost{border-color:rgba(255,255,255,.7);color:#fff}
.btn-ghost:hover{background:#fff;color:var(--navy-900)}
.btn-outline{border-color:var(--navy);color:var(--navy)}
.btn-outline:hover{background:var(--navy);color:#fff}

/* Header */
.site-header{position:sticky;top:env(safe-area-inset-top,0px);z-index:50;background:rgba(255,255,255,.97);backdrop-filter:saturate(1.4) blur(6px);border-bottom:1px solid var(--line)}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;height:84px;gap:24px}
.brand{flex-shrink:0;display:flex;align-items:center;gap:12px;color:var(--navy-900)}
.brand img{height:66px;width:auto}
.brand-text{display:flex;flex-direction:column;line-height:1}
.brand-name{font-family:var(--head);font-weight:700;font-size:1.75rem;letter-spacing:.06em;color:var(--navy)}
.brand-sub{font-family:var(--head);font-weight:500;font-size:.82rem;letter-spacing:.42em;color:#7d8088;margin-top:3px}
.tagline{font-family:var(--head);font-weight:600;font-size:.88rem;letter-spacing:.24em;flex:1;text-align:center;text-transform:uppercase;color:var(--navy);white-space:nowrap}
.nav{display:flex;gap:26px}
.nav a{font-family:var(--head);font-weight:600;font-size:1rem;letter-spacing:.18em;text-transform:uppercase;color:var(--ink);padding:6px 0;border-bottom:2px solid transparent}
.nav a:hover,.nav a[aria-current="page"]{color:var(--navy);border-bottom-color:var(--cyan)}
.menu-btn{display:none;background:none;border:0;padding:8px;cursor:pointer;color:var(--navy-900)}
.menu-btn svg{width:28px;height:28px}
@media (max-width:1560px){.tagline{display:none}}
@media (max-width:1000px){
  .site-header .wrap{height:70px}
  .brand img{height:52px}
  .menu-btn{display:block}
  .nav{position:fixed;inset:70px 0 auto 0;background:#fff;flex-direction:column;gap:0;padding:8px 24px 20px;border-bottom:1px solid var(--line);box-shadow:var(--shadow);transform:translateY(-8px);opacity:0;pointer-events:none;transition:.2s}
  .nav.open{transform:none;opacity:1;pointer-events:auto}
  .nav a{padding:14px 0;border-bottom:1px solid var(--line)}
}

/* Hero */
.hero{position:relative;min-height:min(88vh,760px);display:flex;align-items:flex-end;color:#fff;overflow:hidden;background:var(--navy-900)}
.hero-slides{position:absolute;inset:0}
.hero-slides img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0;transition:opacity 1.6s ease;transform:scale(1.04)}
.hero-slides img.on{opacity:1;animation:kb 9s ease-out forwards}
@keyframes kb{from{transform:scale(1.08)}to{transform:scale(1)}}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(15,19,52,.88) 0%,rgba(15,19,52,.55) 55%,rgba(15,19,52,.25) 100%),linear-gradient(0deg,rgba(15,19,52,.6),transparent 45%)}
.hero .wrap{position:relative;z-index:2;padding-top:120px;padding-bottom:90px;width:100%}
.hero h1{color:#fff;max-width:13ch;margin-bottom:.35em}
.hero .eyebrow{color:var(--cyan)}
.hero p{font-size:1.2rem;max-width:620px;color:rgba(255,255,255,.88)}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-dots{position:absolute;z-index:3;right:24px;bottom:28px;display:flex;gap:8px}
.hero-dots button{width:28px;height:3px;border:0;padding:0;background:rgba(255,255,255,.4);cursor:pointer}
.hero-dots button.on{background:var(--cyan)}

/* Stats */
.stats{background:var(--navy);color:#fff}
.stats .wrap{display:grid;grid-template-columns:repeat(4,1fr)}
.stat{padding:30px 20px;border-left:1px solid rgba(255,255,255,.14)}
.stat:first-child{border-left:0}
.stat b{display:block;font-family:var(--head);font-weight:600;font-size:2.6rem;line-height:1;color:#fff}
.stat span{font-size:.95rem;color:rgba(255,255,255,.75)}
@media (max-width:760px){.stats .wrap{grid-template-columns:1fr 1fr}.stat:nth-child(3){border-left:0}.stat{border-top:1px solid rgba(255,255,255,.14)}.stat:nth-child(-n+2){border-top:0}}

/* Intro split */
.split{display:grid;grid-template-columns:1.1fr 1fr;gap:64px;align-items:center}
.split-img{position:relative}
.split-img img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--radius)}
.split-img::before{content:"";position:absolute;left:-18px;top:-18px;width:45%;height:55%;border-left:3px solid var(--cyan);border-top:3px solid var(--cyan)}
.checks{list-style:none;padding:0;margin:0 0 1.5em}
.checks li{position:relative;padding:6px 0 6px 30px}
.checks li::before{content:"";position:absolute;left:0;top:15px;width:14px;height:8px;border-left:2px solid var(--cyan);border-bottom:2px solid var(--cyan);transform:rotate(-45deg)}
@media (max-width:900px){.split{grid-template-columns:1fr;gap:40px}}

/* Áreas */
.areas{display:grid;grid-template-columns:repeat(5,1fr);gap:18px;margin-top:40px}
.area{min-width:0;overflow-wrap:break-word;background:#fff;border:1px solid var(--line);border-top:3px solid var(--navy);padding:28px 22px;border-radius:var(--radius);transition:.25s}
.area:hover{border-top-color:var(--cyan);box-shadow:var(--shadow);transform:translateY(-3px)}
.area svg{width:40px;height:40px;color:var(--cyan);margin-bottom:16px}
.area h3{font-size:1.25rem;text-transform:uppercase;letter-spacing:.03em}
.area p{font-size:.97rem;color:var(--muted);margin:0}
@media (max-width:1200px){.areas{grid-template-columns:repeat(3,1fr)}}
@media (max-width:700px){.areas{grid-template-columns:1fr}}

/* Cards de obras */
.head-row{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;flex-wrap:wrap;margin-bottom:36px}
.head-row h2{margin-bottom:0}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
@media (max-width:980px){.grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:620px){.grid{grid-template-columns:1fr}}
.card{position:relative;display:block;overflow:hidden;border-radius:var(--radius);background:var(--navy-900);aspect-ratio:4/3;color:#fff}
.card img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease,opacity .3s}
.card::after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(15,19,52,.92) 0%,rgba(15,19,52,.35) 45%,rgba(15,19,52,0) 70%);transition:.3s}
.card:hover img{transform:scale(1.06)}
.card:hover::after{background:linear-gradient(0deg,rgba(15,19,52,.95) 0%,rgba(43,53,130,.55) 60%,rgba(43,53,130,.25) 100%)}
.card-body{position:absolute;left:0;right:0;bottom:0;z-index:2;padding:20px 22px}
.card-tag{display:inline-block;font-family:var(--head);font-weight:600;font-size:.78rem;letter-spacing:.1em;text-transform:uppercase;color:#fff;background:rgba(0,174,239,.9);padding:3px 8px;border-radius:2px;margin-bottom:8px}
.card-client{display:block;font-family:var(--head);font-weight:600;font-size:1.5rem;line-height:1.05;text-transform:uppercase;color:#fff}
.card-title{display:block;font-size:.98rem;color:rgba(255,255,255,.85);margin-top:4px;line-height:1.35}
.card-badge{position:absolute;top:14px;left:14px;z-index:2;background:var(--cyan);color:#fff;font-family:var(--head);font-weight:600;font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;padding:5px 10px;border-radius:2px}
.card-ph{width:100%;height:100%;display:grid;place-items:center;background:linear-gradient(135deg,var(--navy-800),var(--navy))}
.card-ph img{width:34%;height:auto;opacity:.35;object-fit:contain}
.card:hover .card-ph img{transform:none}

/* Filtros */
.filters{display:flex;flex-wrap:wrap;gap:10px;margin:0 0 36px}
.filters button{font-family:var(--head);font-weight:600;font-size:.98rem;letter-spacing:.12em;text-transform:uppercase;background:#fff;color:var(--ink);border:1px solid var(--line);padding:10px 18px;border-radius:40px;cursor:pointer;transition:.2s;display:flex;align-items:center;gap:8px}
.filters button small{font-family:var(--body);font-size:.8rem;letter-spacing:0;color:var(--muted);background:var(--bg-alt);border-radius:20px;padding:0 8px}
.filters button:hover{border-color:var(--navy);color:var(--navy)}
.filters button.on{background:var(--navy);border-color:var(--navy);color:#fff}
.filters button.on small{background:rgba(255,255,255,.18);color:#fff}
.card.hide{display:none}
@media (max-width:620px){.filters{flex-wrap:nowrap;overflow-x:auto;margin-left:-24px;margin-right:-24px;padding:0 24px 6px;scrollbar-width:none}.filters button{flex:0 0 auto;white-space:nowrap}}

/* Page hero */
.page-hero{position:relative;background:var(--navy-900);color:#fff;padding:110px 0 70px;overflow:hidden}
.page-hero img.bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.35}
.page-hero::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(15,19,52,.9),rgba(15,19,52,.5))}
.page-hero .wrap{position:relative;z-index:2}
.page-hero h1{color:#fff;font-size:clamp(2.2rem,5vw,3.6rem);max-width:22ch}
.page-hero p{color:rgba(255,255,255,.85);font-size:1.15rem;max-width:680px;margin:0}
.crumbs{font-size:.9rem;color:rgba(255,255,255,.7);margin-bottom:18px}
.crumbs a{color:rgba(255,255,255,.85)}.crumbs a:hover{color:var(--cyan)}
.page-hero .client{display:block;font-family:var(--head);font-weight:600;font-size:1.15rem;letter-spacing:.2em;text-transform:uppercase;color:var(--cyan);margin-bottom:10px}

/* Obra */
.obra{display:grid;grid-template-columns:1fr 360px;gap:48px;align-items:start}
@media (max-width:960px){.obra{grid-template-columns:1fr}}
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.gallery a{display:block;overflow:hidden;border-radius:3px;aspect-ratio:4/3;background:var(--bg-alt)}
.gallery a:first-child{grid-column:1/-1;aspect-ratio:16/9}
.gallery img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.gallery a:hover img{transform:scale(1.05)}
.gallery a{position:relative}
.gallery a.antes::after,.gallery a.depois::after{content:"Antes";position:absolute;left:10px;top:10px;background:var(--navy,#2B3582);color:#fff;font:600 12px/1 Barlow,sans-serif;letter-spacing:.06em;text-transform:uppercase;padding:6px 9px;border-radius:2px}
@media (max-width:560px){.gallery{grid-template-columns:1fr 1fr}}
.panel{background:var(--bg-alt);border-radius:var(--radius);padding:28px;margin-bottom:22px}
.panel h2{font-size:1.45rem;color:var(--navy)}
.panel .rule{margin-bottom:18px}
.facts{margin:0}
.facts div{padding:10px 0;border-bottom:1px solid var(--line)}
.facts div:last-child{border-bottom:0}
.facts dt{font-weight:600;font-size:.85rem;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.facts dd{margin:2px 0 0;font-size:1.05rem}
.services{margin:0;padding-left:1.1em}
.services li{padding:4px 0}
.services li::marker{color:var(--cyan)}
.obra-summary{font-size:1.12rem;color:var(--muted);margin-bottom:28px}
.no-photos{border:1px dashed var(--line);border-radius:var(--radius);padding:60px 24px;text-align:center;color:var(--muted);background:var(--bg-alt)}
.pn{display:flex;justify-content:space-between;gap:20px;border-top:1px solid var(--line);margin-top:56px;padding-top:28px}
.pn a{display:flex;flex-direction:column;max-width:45%}
.pn a small{font-family:var(--head);font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--muted)}
.pn a span{font-family:var(--head);font-weight:600;font-size:1.2rem;text-transform:uppercase}
.pn a.next{text-align:right;margin-left:auto}

/* Lightbox */
.lb{position:fixed;inset:0;z-index:100;background:rgba(10,12,30,.94);display:none;align-items:center;justify-content:center}
.lb.open{display:flex}
.lb img{max-width:92vw;max-height:84vh;object-fit:contain;box-shadow:0 20px 60px rgba(0,0,0,.5)}
.lb button{position:absolute;background:none;border:0;color:#fff;cursor:pointer;padding:16px;opacity:.8}
.lb button:hover{opacity:1;color:var(--cyan)}
.lb svg{width:34px;height:34px}
.lb .x{top:10px;right:10px}.lb .prev{left:6px}.lb .next{right:6px}
.lb .count{position:absolute;bottom:18px;left:0;right:0;text-align:center;color:rgba(255,255,255,.7);font-size:.95rem}

/* Clientes */
.logos{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;margin-top:40px}
.logo{display:grid;place-items:center;background:#fff;border:1px solid var(--line);border-radius:var(--radius);height:120px;padding:18px;transition:.25s}
.logo img{max-height:70px;max-width:100%;width:auto;object-fit:contain;filter:grayscale(1);opacity:.75;transition:.25s}
.logo:hover{box-shadow:var(--shadow);border-color:transparent}
.logo:hover img{filter:none;opacity:1}
@media (max-width:980px){.logos{grid-template-columns:repeat(3,1fr)}}
@media (max-width:560px){.logos{grid-template-columns:repeat(2,1fr)}.logo{height:100px}}

/* Missão, visão e valores */
.mvv{display:grid;grid-template-columns:1fr 1fr 1.2fr;gap:22px;margin-top:40px}
.mvv-box{background:#fff;border-radius:var(--radius);padding:36px 32px;box-shadow:var(--shadow);border-top:4px solid var(--navy)}
.mvv-box:nth-child(2){border-top-color:var(--cyan)}
.mvv-box:nth-child(3){background:var(--navy);color:#fff;border-top-color:var(--cyan)}
.mvv-box:nth-child(3) h3{color:#fff}
.mvv-box h3{font-size:1.7rem;text-transform:uppercase;letter-spacing:.04em}
.mvv-box p{color:var(--muted);margin:0}
.mvv-box ul{margin:0;padding-left:1.1em}
.mvv-box li{padding:3px 0}
.mvv-box li::marker{color:var(--cyan)}
@media (max-width:960px){.mvv{grid-template-columns:1fr}}

/* CTA */
.cta{background:linear-gradient(120deg,var(--navy-900),var(--navy));color:#fff;padding:72px 0}
.cta .wrap{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta h2{color:#fff;margin:0 0 .2em}
.cta p{color:rgba(255,255,255,.8);margin:0}

/* Contato */
.contact{display:grid;grid-template-columns:1fr 1.3fr;gap:48px}
.contact-item{display:flex;gap:18px;padding:22px 0;border-bottom:1px solid var(--line)}
.contact-item svg{flex:0 0 28px;width:28px;height:28px;color:var(--cyan);margin-top:4px}
.contact-item h3{font-size:1.1rem;text-transform:uppercase;letter-spacing:.1em;color:var(--muted);margin-bottom:.2em}
.contact-item p,.contact-item a{font-size:1.15rem;margin:0}
.map{width:100%;height:100%;min-height:420px;border:0;border-radius:var(--radius);background:var(--bg-alt)}
@media (max-width:900px){.contact{grid-template-columns:1fr}}
.contact>*{min-width:0}.contact-item a,.contact-item p{overflow-wrap:anywhere}

/* Footer */
.site-footer{background:var(--navy-900);color:rgba(255,255,255,.75);padding:64px 0 0;font-size:.97rem}
.site-footer .cols{display:grid;grid-template-columns:1.4fr 1fr 1.2fr 1fr;gap:40px}
.site-footer h4{color:#fff;font-size:1.05rem;letter-spacing:.2em;text-transform:uppercase;margin-bottom:1em}
.site-footer a{color:rgba(255,255,255,.8)}
.site-footer a:hover{color:var(--cyan)}
.site-footer ul{list-style:none;padding:0;margin:0}
.site-footer li{padding:3px 0}
.site-footer .brand-name{color:#fff}
.site-footer .brand img{height:64px}
.social{display:flex;gap:12px;margin-top:6px}
.social a{display:grid;place-items:center;width:40px;height:40px;border:1px solid rgba(255,255,255,.25);border-radius:50%}
.social a:hover{border-color:var(--cyan)}
.social svg{width:18px;height:18px}
.copy{border-top:1px solid rgba(255,255,255,.1);margin-top:48px;padding:20px 0;font-size:.88rem;color:rgba(255,255,255,.5)}
@media (max-width:900px){.site-footer .cols{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.site-footer .cols{grid-template-columns:1fr}}

/* Reveal */
.reveal{}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}.reveal{opacity:1;transform:none}}

.gallery a.depois::after{content:"Depois";background:var(--cyan-700)}