/* ============================================================
   MHP ENGENHARIA — Thiago Dias
   Identidade: navy profundo + amarelo elétrico (Ω)
   ============================================================ */

:root{
  --ink:#0B1524;
  --ink-1:#0E1B2E;
  --panel:#10203A;
  --panel-2:#14284A;
  --line:#1E3A5F;
  --line-soft:#18304e;
  --volt:#FFD21E;
  --volt-2:#F5B301;
  --text:#E8EEF6;
  --muted:#93A7C0;
  --muted-2:#6E85A2;
  --light:#EEF2F7;
  --light-text:#0B1524;
  --light-muted:#4B6180;

  --sans:"IBM Plex Sans", system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  --display:"Archivo", "IBM Plex Sans", system-ui, sans-serif;
  --mono:"IBM Plex Mono", ui-monospace, SFMono-Regular, monospace;

  --wrap:1200px;
  --pad:clamp(20px,5vw,64px);
  --r:14px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

body{
  margin:0;
  font-family:var(--sans);
  background:var(--ink);
  color:var(--text);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}

.wrap{max-width:var(--wrap);margin:0 auto;padding-inline:var(--pad)}

/* ---------- Type ---------- */
h1,h2,h3{font-family:var(--display);font-weight:800;line-height:1.05;letter-spacing:-.01em;margin:0}
.eyebrow{
  font-family:var(--mono);font-size:.74rem;letter-spacing:.18em;
  color:var(--volt);text-transform:uppercase;margin:0 0 .9rem;display:inline-flex;
  align-items:center;gap:.6rem;
}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--volt);display:inline-block}

.sec-title{font-size:clamp(1.9rem,4.4vw,3rem);max-width:16ch}
.sec-title .u{position:relative;white-space:nowrap}
.sec-title .u::after{
  content:"";position:absolute;left:0;right:100%;bottom:-.12em;height:.11em;
  background:linear-gradient(90deg,var(--volt),var(--volt-2));border-radius:2px;
  transition:right .8s cubic-bezier(.2,.7,.2,1);
}
.reveal.in .sec-title .u::after{right:0}
.sec-intro{color:var(--muted);max-width:60ch;margin:1.1rem 0 0;font-size:1.05rem}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:.6rem;font-family:var(--sans);
  font-weight:600;font-size:.98rem;padding:.85rem 1.35rem;border-radius:10px;
  border:1px solid transparent;cursor:pointer;transition:transform .15s ease,background .2s,border-color .2s;
}
.btn:active{transform:translateY(1px)}
.btn-volt{background:var(--volt);color:#101a29;border-color:var(--volt)}
.btn-volt:hover{background:#ffdd4d}
.btn-ghost{background:transparent;color:var(--text);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--volt);color:var(--volt)}
.btn svg{width:18px;height:18px}

/* ============================================================
   NAV
   ============================================================ */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:60;
  display:flex;align-items:center;justify-content:space-between;
  padding:14px var(--pad);
  transition:background .3s, border-color .3s, padding .3s;
  border-bottom:1px solid transparent;
}
.nav.scrolled{background:rgba(9,17,30,.86);backdrop-filter:blur(12px);border-bottom-color:var(--line-soft)}
.brand{display:flex;align-items:center;gap:12px}
.brand .mark{width:38px;height:38px;flex:0 0 38px}
.brand .bt{font-family:var(--display);font-weight:900;letter-spacing:.02em;line-height:1}
.brand .bt b{color:var(--volt)}
.brand .bt small{display:block;font-family:var(--mono);font-weight:400;font-size:.58rem;letter-spacing:.26em;color:var(--muted);margin-top:3px}
.nav-links{display:flex;align-items:center;gap:28px}
.nav-links a{font-size:.92rem;color:var(--muted);transition:color .2s;font-weight:500}
.nav-links a:hover{color:var(--text)}
.nav-cta{display:inline-flex}
.nav-toggle{display:none;background:none;border:1px solid var(--line);border-radius:8px;padding:8px;cursor:pointer}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--text);margin:4px 0;transition:.25s}

/* ============================================================
   HERO
   ============================================================ */
.hero{position:relative;min-height:100svh;display:flex;align-items:flex-end;overflow:hidden}
.hero-media{position:absolute;inset:0;z-index:0}
.hero-media video,.hero-media img{width:100%;height:100%;object-fit:cover}
.hero-media::after{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(180deg,rgba(11,21,36,.55) 0%,rgba(11,21,36,.25) 30%,rgba(11,21,36,.85) 78%,var(--ink) 100%),
    linear-gradient(75deg,rgba(11,21,36,.9) 0%,rgba(11,21,36,.25) 55%,transparent 80%);
}
.hero-grid{
  content:"";position:absolute;inset:0;z-index:1;pointer-events:none;opacity:.35;
  background-image:linear-gradient(var(--line-soft) 1px,transparent 1px),linear-gradient(90deg,var(--line-soft) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(120% 80% at 20% 90%,#000 0%,transparent 70%);
}
.hero-inner{position:relative;z-index:2;width:100%;max-width:var(--wrap);margin:0 auto;padding:0 var(--pad) clamp(38px,7vh,88px)}
.hero-kicker{
  font-family:var(--mono);font-size:.8rem;letter-spacing:.16em;color:var(--volt);
  text-transform:uppercase;margin-bottom:1rem;
}
.hero h1{
  font-family:var(--display);font-weight:900;font-size:clamp(3rem,11vw,7rem);
  line-height:.9;letter-spacing:-.02em;
}
.hero h1 .role{
  display:block;font-size:clamp(1rem,2.4vw,1.5rem);font-weight:600;letter-spacing:0;
  color:var(--text);margin-top:1rem;font-family:var(--sans);max-width:26ch;line-height:1.3;
}
.hero .lead{color:var(--muted);max-width:52ch;font-size:1.1rem;margin:1.4rem 0 2rem}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}

/* nameplate spec strip */
.nameplate{
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:2.6rem;
  border:1px solid var(--line);border-radius:12px;overflow:hidden;
  background:linear-gradient(180deg,rgba(16,32,58,.6),rgba(11,21,36,.6));backdrop-filter:blur(6px);
}
.nameplate div{padding:.95rem 1.1rem;border-right:1px solid var(--line-soft)}
.nameplate div:last-child{border-right:none}
.nameplate .k{font-family:var(--mono);font-size:.66rem;letter-spacing:.14em;color:var(--muted-2);text-transform:uppercase}
.nameplate .v{font-family:var(--display);font-weight:700;font-size:.98rem;margin-top:.25rem;color:var(--text)}

/* ============================================================
   STATS
   ============================================================ */
.stats{border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft);background:var(--ink-1)}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.stat{padding:clamp(28px,5vw,56px) var(--pad);text-align:left;border-right:1px solid var(--line-soft)}
.stat:last-child{border-right:none}
.stat .num{font-family:var(--display);font-weight:900;font-size:clamp(2.6rem,6vw,4rem);line-height:1;color:var(--text)}
.stat .num .plus{color:var(--volt)}
.stat .lbl{color:var(--muted);margin-top:.6rem;font-size:.95rem;max-width:18ch}

/* section base */
.section{padding:clamp(64px,10vh,120px) 0}
.section.light{background:var(--light);color:var(--light-text)}
.section.light .sec-intro{color:var(--light-muted)}
.section.light .eyebrow{color:#0b1524}
.section.light .eyebrow::before{background:var(--volt-2)}

/* ============================================================
   SOBRE
   ============================================================ */
.about-grid{display:grid;grid-template-columns:.82fr 1.18fr;gap:clamp(28px,5vw,64px);align-items:center}
.about-photo{position:relative;border-radius:var(--r);overflow:hidden;border:1px solid var(--line)}
.about-photo img{width:100%;aspect-ratio:4/5;object-fit:cover;object-position:center top}
.about-photo .tag{
  position:absolute;left:0;bottom:0;right:0;padding:1.2rem 1.2rem 1rem;
  background:linear-gradient(180deg,transparent,rgba(11,21,36,.92));
}
.about-photo .tag b{font-family:var(--display);font-size:1.1rem}
.about-photo .tag span{display:block;color:var(--volt);font-family:var(--mono);font-size:.72rem;letter-spacing:.12em;margin-top:.2rem}
.about-body p{color:var(--muted);font-size:1.08rem;margin:0 0 1.1rem}
.about-body p strong{color:var(--text);font-weight:600}
.chips{display:flex;flex-wrap:wrap;gap:9px;margin-top:1.8rem}
.chip{
  font-family:var(--mono);font-size:.76rem;letter-spacing:.03em;
  padding:.5rem .8rem;border:1px solid var(--line);border-radius:999px;color:var(--muted);
  background:var(--panel);
}
.chip b{color:var(--volt);font-weight:400}

/* ============================================================
   ATUAÇÃO (services)
   ============================================================ */
.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:clamp(32px,5vw,56px)}
.card{
  position:relative;background:var(--panel);border:1px solid var(--line);border-radius:var(--r);
  padding:1.6rem 1.4rem;overflow:hidden;transition:border-color .25s,background .25s,transform .25s;
}
.card::before{content:"";position:absolute;left:0;top:0;height:3px;width:0;background:linear-gradient(90deg,var(--volt),var(--volt-2));transition:width .35s ease}
.card:hover{border-color:var(--line);background:var(--panel-2);transform:translateY(-3px)}
.card:hover::before{width:100%}
.card .ico{width:42px;height:42px;border-radius:10px;display:grid;place-items:center;background:rgba(255,210,30,.1);border:1px solid rgba(255,210,30,.25);margin-bottom:1.1rem}
.card .ico svg{width:22px;height:22px;stroke:var(--volt);fill:none;stroke-width:1.7}
.card h3{font-size:1.12rem;margin-bottom:.5rem}
.card p{color:var(--muted);font-size:.94rem;margin:0}

/* ============================================================
   SETORES
   ============================================================ */
.sectors{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:clamp(32px,5vw,56px)}
.sector{position:relative;border-radius:var(--r);overflow:hidden;aspect-ratio:3/4;border:1px solid var(--line)}
.sector img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.sector:hover img{transform:scale(1.06)}
.sector::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 35%,rgba(11,21,36,.92))}
.sector .cap{position:absolute;left:1.1rem;right:1.1rem;bottom:1.1rem;z-index:2}
.sector .cap b{font-family:var(--display);font-size:1.15rem;display:block}
.sector .cap span{color:var(--muted);font-size:.85rem}

/* ============================================================
   EXPERIÊNCIA (timeline)
   ============================================================ */
.timeline{margin-top:clamp(32px,5vw,56px);position:relative}
.timeline::before{content:"";position:absolute;left:9px;top:6px;bottom:6px;width:2px;background:linear-gradient(180deg,var(--volt),var(--line) 40%,var(--line))}
.tl-item{position:relative;padding:0 0 2.4rem 44px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{content:"";position:absolute;left:2px;top:5px;width:16px;height:16px;border-radius:50%;background:var(--ink);border:3px solid var(--volt);box-shadow:0 0 0 4px rgba(255,210,30,.12)}
.tl-year{font-family:var(--mono);font-size:.8rem;letter-spacing:.06em;color:var(--volt)}
.tl-role{font-family:var(--display);font-weight:700;font-size:1.15rem;margin:.25rem 0 .35rem}
.tl-desc{color:var(--muted);font-size:.97rem;max-width:70ch}
.tl-desc b{color:var(--text);font-weight:600}

/* ============================================================
   GALERIA + lightbox
   ============================================================ */
.gallery{columns:3;column-gap:14px;margin-top:clamp(32px,5vw,56px)}
.g-item{break-inside:avoid;margin-bottom:14px;position:relative;border-radius:12px;overflow:hidden;cursor:zoom-in;border:1px solid var(--line)}
.g-item img{width:100%;transition:transform .5s ease,filter .3s;display:block}
.g-item:hover img{transform:scale(1.05);filter:brightness(1.05)}
.g-item .meta{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:flex-end;padding:1rem;
  background:linear-gradient(180deg,transparent 45%,rgba(11,21,36,.9));opacity:0;transition:opacity .3s}
.g-item:hover .meta{opacity:1}
.g-item .meta .cat{font-family:var(--mono);font-size:.66rem;letter-spacing:.12em;color:var(--volt);text-transform:uppercase}
.g-item .meta .cap{font-size:.9rem;margin-top:.2rem;color:var(--text)}

.lightbox{position:fixed;inset:0;z-index:100;background:rgba(6,12,22,.95);backdrop-filter:blur(6px);
  display:none;align-items:center;justify-content:center;padding:24px}
.lightbox.open{display:flex}
.lightbox img{max-width:92vw;max-height:80vh;border-radius:10px;box-shadow:0 30px 80px rgba(0,0,0,.6)}
.lb-cap{position:absolute;bottom:26px;left:0;right:0;text-align:center;color:var(--text)}
.lb-cap .cat{font-family:var(--mono);font-size:.72rem;letter-spacing:.14em;color:var(--volt);text-transform:uppercase;display:block;margin-bottom:.3rem}
.lb-btn{position:absolute;top:50%;transform:translateY(-50%);background:rgba(255,255,255,.08);border:1px solid var(--line);
  color:#fff;width:52px;height:52px;border-radius:50%;font-size:1.4rem;cursor:pointer;display:grid;place-items:center;transition:background .2s}
.lb-btn:hover{background:var(--volt);color:#101a29;border-color:var(--volt)}
.lb-prev{left:20px}.lb-next{right:20px}
.lb-close{position:absolute;top:20px;right:22px;background:none;border:none;color:#fff;font-size:2rem;cursor:pointer;line-height:1;width:44px;height:44px}

/* ============================================================
   VÍDEOS
   ============================================================ */
.videos{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;margin-top:clamp(32px,5vw,56px)}
.vid{position:relative;border-radius:12px;overflow:hidden;aspect-ratio:9/16;cursor:pointer;border:1px solid var(--line)}
.vid img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.vid:hover img{transform:scale(1.05)}
.vid::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,21,36,.15),rgba(11,21,36,.75))}
.vid .play{position:absolute;inset:0;z-index:2;display:grid;place-items:center}
.vid .play span{width:56px;height:56px;border-radius:50%;background:rgba(255,210,30,.92);display:grid;place-items:center;transition:transform .2s}
.vid:hover .play span{transform:scale(1.1)}
.vid .play svg{width:22px;height:22px;fill:#101a29;margin-left:3px}
.vid .vcap{position:absolute;left:.9rem;right:.9rem;bottom:.9rem;z-index:3;font-size:.86rem;font-weight:500}

.vmodal{position:fixed;inset:0;z-index:110;background:rgba(6,12,22,.95);backdrop-filter:blur(6px);
  display:none;align-items:center;justify-content:center;padding:24px}
.vmodal.open{display:flex}
.vmodal video{max-height:86vh;max-width:94vw;border-radius:12px;background:#000;box-shadow:0 30px 80px rgba(0,0,0,.6)}
.vmodal .lb-close{z-index:3}

/* ============================================================
   CLIENTES
   ============================================================ */
.clients{display:flex;flex-wrap:wrap;gap:12px;margin-top:clamp(28px,4vw,44px)}
.client{
  font-family:var(--display);font-weight:700;font-size:1.05rem;letter-spacing:.01em;
  padding:.75rem 1.15rem;border:1px solid var(--line);border-radius:10px;color:var(--muted);
  background:var(--panel);transition:color .2s,border-color .2s}
.client:hover{color:var(--volt);border-color:var(--volt)}
.section.light .client{background:#fff;border-color:#d9e2ec;color:#33475f}
.section.light .client:hover{color:var(--light-text);border-color:var(--volt-2)}

/* ============================================================
   CERTIFICAÇÕES & FORMAÇÃO
   ============================================================ */
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,5vw,56px);margin-top:clamp(32px,5vw,56px)}
.panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:clamp(1.6rem,3vw,2.2rem)}
.panel h3{font-size:1.3rem;margin-bottom:1.3rem;display:flex;align-items:center;gap:.7rem}
.panel h3 svg{width:22px;height:22px;stroke:var(--volt);fill:none;stroke-width:1.7}
.list{list-style:none;margin:0;padding:0}
.list li{padding:.85rem 0;border-top:1px solid var(--line-soft);display:flex;gap:.9rem;align-items:flex-start}
.list li:first-child{border-top:none}
.list li .dot{color:var(--volt);flex:0 0 auto;margin-top:.15rem}
.list li b{display:block;font-weight:600;color:var(--text)}
.list li span{color:var(--muted);font-size:.9rem}

/* ============================================================
   CONTATO
   ============================================================ */
.contact{background:var(--ink-1);border-top:1px solid var(--line-soft)}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(32px,6vw,72px);align-items:start}
.contact-methods{display:flex;flex-direction:column;gap:14px;margin-top:2rem}
.cm{display:flex;align-items:center;gap:16px;padding:1.15rem 1.3rem;background:var(--panel);border:1px solid var(--line);border-radius:12px;transition:border-color .2s,transform .15s}
.cm:hover{border-color:var(--volt);transform:translateX(3px)}
.cm .ci{width:44px;height:44px;border-radius:10px;background:rgba(255,210,30,.1);border:1px solid rgba(255,210,30,.25);display:grid;place-items:center;flex:0 0 auto}
.cm .ci svg{width:22px;height:22px;stroke:var(--volt);fill:none;stroke-width:1.7}
.cm .k{font-family:var(--mono);font-size:.68rem;letter-spacing:.12em;color:var(--muted-2);text-transform:uppercase}
.cm .v{font-weight:600;font-size:1.02rem}
.form{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:clamp(1.6rem,3vw,2.2rem);margin-top:2rem}
.form label{display:block;font-size:.82rem;color:var(--muted);margin:0 0 .4rem;font-weight:500}
.form input,.form textarea{width:100%;background:var(--ink);border:1px solid var(--line);border-radius:10px;
  color:var(--text);padding:.8rem .9rem;font-family:var(--sans);font-size:.98rem;margin-bottom:1rem;transition:border-color .2s}
.form input:focus,.form textarea:focus{outline:none;border-color:var(--volt)}
.form textarea{resize:vertical;min-height:110px}
.form .btn-volt{width:100%;justify-content:center}
.form-note{color:var(--muted-2);font-size:.8rem;margin:.8rem 0 0;text-align:center}

/* ============================================================
   FOOTER
   ============================================================ */
.footer{padding:clamp(40px,6vw,64px) 0;border-top:1px solid var(--line-soft)}
.footer-grid{display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap}
.footer .brand .mark{width:42px;height:42px;flex-basis:42px}
.footer small{color:var(--muted-2);font-size:.85rem}
.footer .fn{display:flex;gap:22px;flex-wrap:wrap}
.footer .fn a{color:var(--muted);font-size:.9rem}
.footer .fn a:hover{color:var(--volt)}

/* ============================================================
   REVEAL
   ============================================================ */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  .sector img,.g-item img,.vid img{transition:none}
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width:1024px){
  .cards{grid-template-columns:repeat(2,1fr)}
  .sectors{grid-template-columns:repeat(2,1fr)}
  .videos{grid-template-columns:repeat(3,1fr)}
  .gallery{columns:2}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .stat:nth-child(2){border-right:none}
  .stat{border-bottom:1px solid var(--line-soft)}
}
@media (max-width:760px){
  .nav-links{position:fixed;inset:64px 0 auto 0;flex-direction:column;align-items:stretch;gap:0;
    background:rgba(9,17,30,.98);backdrop-filter:blur(12px);border-bottom:1px solid var(--line);
    padding:8px var(--pad) 20px;transform:translateY(-140%);transition:transform .3s;z-index:55}
  .nav-links.open{transform:translateY(0)}
  .nav-links a{padding:14px 0;border-bottom:1px solid var(--line-soft);font-size:1rem}
  .nav-links .nav-cta{margin-top:14px}
  .nav-toggle{display:block}
  .about-grid{grid-template-columns:1fr}
  .about-photo{max-width:420px}
  .two-col{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}
  .nameplate{grid-template-columns:1fr 1fr}
  .nameplate div:nth-child(2){border-right:none}
  .nameplate div:nth-child(1),.nameplate div:nth-child(2){border-bottom:1px solid var(--line-soft)}
  .videos{grid-template-columns:repeat(2,1fr)}
  .footer-grid{flex-direction:column;align-items:flex-start}
}
@media (max-width:460px){
  .cards{grid-template-columns:1fr}
  .sectors{grid-template-columns:1fr}
  .gallery{columns:1}
  .stats-grid{grid-template-columns:1fr}
  .stat{border-right:none;border-bottom:1px solid var(--line-soft)}
}

/* ---------- Correções de contraste (cards/painéis escuros e timeline em seção clara) ---------- */
.card{color:var(--text)}
.card h3{color:var(--text)}
.panel{color:var(--text)}
.panel h3{color:var(--text)}
.section.light .tl-desc{color:var(--light-muted)}
.section.light .tl-desc b{color:var(--light-text)}
.section.light .tl-year{color:#9A6B00}
.section.light .sector .cap span{color:var(--muted)}

/* ---------- Ajustes finos mobile: hero limpa a navbar e placa não corta ---------- */
@media (max-width:760px){
  .hero{align-items:flex-start}
  .hero-inner{padding-top:108px}
  .hero h1{font-size:clamp(2.6rem,12vw,4rem)}
  .hero .lead{font-size:1rem}
  .nameplate{margin-top:1.6rem}
  .nameplate div{padding:.75rem .85rem}
  .nameplate .k{font-size:.6rem}
  .nameplate .v{font-size:.8rem;line-height:1.25}
}

/* ---------- Botão WhatsApp na navbar: texto navy sobre o amarelo ---------- */
.nav-links a.nav-cta,.nav-links a.nav-cta:hover{color:#101a29}