/* ===== Base & tokens ===== */
:root{
  --bg-900:#04141d;
  --bg-800:#001e2a;
  --bg-700:#003247;
  --bg-600:#004763;
  --line:rgba(120,180,210,.16);
  --text:#eaf2f6;
  --muted:#9fb6c4;
  --accent:#f6a609;      /* amarelo guindaste */
  --accent-2:#3bc9ff;    /* ciano técnico */
  --glass:rgba(6,26,36,.55);
  --glass-strong:rgba(6,26,36,.8);
  --radius:18px;
  --maxw:1180px;
  --ease:cubic-bezier(.22,1,.36,1);
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:'Inter',system-ui,Arial,sans-serif;
  color:var(--text);
  background:var(--bg-900);
  line-height:1.6;
  overflow-x:hidden;
}
h1,h2,h3,.brand-text,.hero-title{font-family:'Space Grotesk',sans-serif;line-height:1.05;letter-spacing:-.01em}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.accent{color:var(--accent)}

/* ===== Background layers ===== */
#scene{position:fixed;inset:0;width:100%;height:100%;z-index:0;display:block}
.bg-gradient{
  position:fixed;inset:0;z-index:-2;
  background:
    radial-gradient(1200px 700px at 78% 18%,rgba(0,71,99,.55),transparent 60%),
    radial-gradient(900px 600px at 12% 85%,rgba(246,166,9,.10),transparent 60%),
    linear-gradient(180deg,#02101a 0%,#04141d 40%,#020c12 100%);
}
.bg-grid{
  position:fixed;inset:0;z-index:-1;opacity:.5;pointer-events:none;
  background-image:
    linear-gradient(var(--line) 1px,transparent 1px),
    linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:54px 54px;
  -webkit-mask-image:radial-gradient(circle at 50% 40%,#000 0%,transparent 80%);
  mask-image:radial-gradient(circle at 50% 40%,#000 0%,transparent 80%);
}

/* ===== Loader ===== */
.loader{
  position:fixed;inset:0;z-index:9999;background:#02101a;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:18px;
  transition:opacity .6s var(--ease),visibility .6s;
}
.loader.hidden{opacity:0;visibility:hidden}
.loader-logo{width:120px;animation:pulse 1.5s infinite}
.loader-bar{width:200px;height:3px;background:rgba(255,255,255,.12);border-radius:99px;overflow:hidden}
.loader-bar span{display:block;height:100%;width:40%;background:linear-gradient(90deg,var(--accent),var(--accent-2));animation:load 1.1s infinite}
.loader-text{color:var(--muted);font-size:.85rem;letter-spacing:.18em;text-transform:uppercase}
@keyframes pulse{0%,100%{transform:scale(1);opacity:1}50%{transform:scale(1.08);opacity:.7}}
@keyframes load{0%{transform:translateX(-120%)}100%{transform:translateX(360%)}}

/* ===== Scroll progress ===== */
.scroll-progress{
  position:fixed;top:0;left:0;height:3px;width:0%;z-index:1200;
  background:linear-gradient(90deg,var(--accent),var(--accent-2));
  box-shadow:0 0 12px rgba(246,166,9,.6);
}

/* ===== Topbar ===== */
.topbar{
  position:fixed;top:0;left:0;width:100%;z-index:1000;
  display:flex;align-items:center;justify-content:space-between;
  padding:18px clamp(16px,4vw,46px);
  transition:background .35s,backdrop-filter .35s,padding .35s,border-color .35s;
  border-bottom:1px solid transparent;
}
.topbar.scrolled{
  background:rgba(2,14,22,.72);backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);padding-top:12px;padding-bottom:12px;
}
.brand{display:flex;align-items:center;gap:12px}
.brand img{height:46px}
.brand-text{display:flex;flex-direction:column;font-weight:700;font-size:1.05rem;letter-spacing:.12em}
.brand-text small{font-weight:400;font-size:.6rem;letter-spacing:.42em;color:var(--accent)}
.topbar-cta{display:none}
@media(min-width:760px){.topbar-cta{display:inline-flex}}

/* ===== Buttons ===== */
.btn-cta{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--accent);color:#05121a;font-weight:600;
  padding:13px 22px;border-radius:99px;border:none;cursor:pointer;
  transition:transform .25s var(--ease),box-shadow .25s,background .25s;
  box-shadow:0 8px 30px rgba(246,166,9,.28);font-size:.95rem;
}
.btn-cta:hover{transform:translateY(-3px);box-shadow:0 14px 40px rgba(246,166,9,.45)}
.btn-cta.full{width:100%;justify-content:center}
.btn-ghost{
  display:inline-flex;align-items:center;gap:8px;
  padding:13px 22px;border-radius:99px;border:1px solid var(--line);
  color:var(--text);transition:border-color .25s,background .25s,transform .25s;
}
.btn-ghost:hover{border-color:var(--accent-2);background:rgba(59,201,255,.08);transform:translateY(-3px)}

/* ===== Dock (menu circular flutuante) ===== */
.dock{position:fixed;right:clamp(18px,4vw,38px);bottom:clamp(18px,4vw,38px);z-index:1100}
.dock-toggle{
  position:relative;width:64px;height:64px;border-radius:50%;cursor:pointer;border:none;
  background:linear-gradient(145deg,var(--bg-600),var(--bg-800));
  color:var(--text);display:grid;place-items:center;
  box-shadow:0 10px 30px rgba(0,0,0,.45),inset 0 0 0 1px var(--line);
  transition:transform .4s var(--ease),box-shadow .3s;
}
.dock-toggle:hover{box-shadow:0 12px 36px rgba(0,0,0,.55),0 0 0 6px rgba(246,166,9,.12),inset 0 0 0 1px var(--accent)}
.dock-toggle svg{position:absolute;width:30px;height:30px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;transition:opacity .3s,transform .5s var(--ease)}
.ico-gear{color:var(--accent)}
.ico-close{opacity:0;transform:rotate(-90deg) scale(.5)}
.dock.open .dock-toggle{transform:rotate(135deg)}
.dock.open .ico-gear{opacity:0;transform:rotate(120deg) scale(.4)}
.dock.open .ico-close{opacity:1;transform:rotate(0) scale(1)}

.dock-menu{list-style:none;position:absolute;right:8px;bottom:8px;width:48px;height:48px}
.dock-menu li{position:absolute;right:0;bottom:0}
.dock-menu a{
  --tx:0px;--ty:0px;
  position:relative;display:grid;place-items:center;width:50px;height:50px;border-radius:50%;
  background:var(--glass-strong);backdrop-filter:blur(10px);
  box-shadow:0 8px 22px rgba(0,0,0,.4),inset 0 0 0 1px var(--line);
  transform:translate(0,0) scale(.2);opacity:0;pointer-events:none;
  transition:transform .5s var(--ease),opacity .4s,background .25s,box-shadow .25s;
}
.dock-menu a svg{width:22px;height:22px;fill:none;stroke:var(--text);stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;transition:stroke .25s}
.dock-menu a span{
  position:absolute;right:62px;white-space:nowrap;font-size:.82rem;font-weight:500;
  background:var(--glass-strong);padding:6px 12px;border-radius:8px;border:1px solid var(--line);
  opacity:0;transform:translateX(8px);transition:opacity .25s,transform .25s;pointer-events:none;
}
.dock.open .dock-menu a{transform:translate(var(--tx),var(--ty)) scale(1);opacity:1;pointer-events:auto}
.dock-menu a:hover{background:var(--accent);box-shadow:0 10px 26px rgba(246,166,9,.4)}
.dock-menu a:hover svg{stroke:#05121a}
.dock-menu a:hover span{opacity:1;transform:translateX(0)}
.dock-menu a.active{box-shadow:0 0 0 2px var(--accent),0 8px 22px rgba(0,0,0,.4)}

/* ===== Layout sections ===== */
main{position:relative;z-index:5}
.section{max-width:var(--maxw);margin:0 auto;padding:clamp(70px,11vw,140px) clamp(18px,5vw,40px)}
.section-head{margin-bottom:42px}
.section-tag{
  font-family:'Space Grotesk',sans-serif;color:var(--accent-2);
  letter-spacing:.28em;text-transform:uppercase;font-size:.72rem;margin-bottom:12px;
}
.section h2{font-size:clamp(1.9rem,4.6vw,3.1rem);font-weight:700}
.section-lead{color:var(--muted);margin-top:14px;max-width:580px}
.org{margin-top:38px;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--glass);backdrop-filter:blur(10px)}
.org img{width:100%;display:block}
.org figcaption{padding:12px 18px;color:var(--muted);font-size:.82rem;letter-spacing:.06em;text-transform:uppercase;border-top:1px solid var(--line)}
.panel{
  background:var(--glass);backdrop-filter:blur(14px);
  border:1px solid var(--line);border-radius:var(--radius);
  padding:clamp(26px,4vw,52px);box-shadow:0 30px 60px rgba(0,0,0,.35);
}

/* ===== Hero ===== */
.hero{
  position:relative;min-height:100svh;max-width:var(--maxw);margin:0 auto;
  display:flex;flex-direction:column;justify-content:center;
  padding:120px clamp(18px,5vw,40px) 120px;z-index:5;
}
.hero-inner{max-width:640px}
.eyebrow{display:inline-flex;align-items:center;gap:10px;color:var(--muted);
  font-size:.82rem;letter-spacing:.16em;text-transform:uppercase;margin-bottom:20px;
  background:var(--glass);border:1px solid var(--line);padding:8px 16px;border-radius:99px}
.eyebrow-dot{width:8px;height:8px;border-radius:50%;background:var(--accent);box-shadow:0 0 12px var(--accent);animation:pulse 1.6s infinite}
.hero-title{font-size:clamp(2.7rem,9vw,6rem);font-weight:700;margin-bottom:22px;text-shadow:0 8px 40px rgba(0,0,0,.5)}
.hero-sub{color:var(--muted);font-size:clamp(1rem,2.4vw,1.18rem);max-width:520px;margin-bottom:34px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}
.scroll-hint{position:absolute;left:clamp(18px,5vw,40px);bottom:34px;display:flex;align-items:center;gap:14px;color:var(--muted);font-size:.74rem;letter-spacing:.2em;text-transform:uppercase}
.mouse{width:24px;height:38px;border:2px solid var(--muted);border-radius:14px;position:relative}
.mouse i{position:absolute;top:7px;left:50%;width:4px;height:7px;border-radius:2px;background:var(--accent);transform:translateX(-50%);animation:wheel 1.6s infinite}
@keyframes wheel{0%{opacity:0;transform:translate(-50%,0)}40%{opacity:1}100%{opacity:0;transform:translate(-50%,12px)}}

/* ===== Quem somos ===== */
.about-grid{display:grid;grid-template-columns:1fr;gap:40px;align-items:center}
@media(min-width:880px){.about-grid{grid-template-columns:1.1fr .9fr}}
.about-text h2{font-size:clamp(1.7rem,3.6vw,2.6rem);margin:10px 0 18px}
.about-text p{color:var(--muted);margin-bottom:14px}
.about-text strong{color:var(--text)}
.stats{display:flex;flex-wrap:wrap;gap:28px;margin-top:28px}
.stat strong{display:block;font-family:'Space Grotesk',sans-serif;font-size:clamp(1.3rem,2.4vw,1.8rem);color:var(--accent)}
.stat span{color:var(--muted);font-size:.85rem}
.about-media{position:relative;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);min-height:320px;background:linear-gradient(145deg,var(--bg-700),var(--bg-900))}
.about-media img{width:100%;height:100%;min-height:320px;object-fit:cover;object-position:center top;filter:grayscale(20%) contrast(1.04)}
.about-media-fallback{display:none;position:absolute;inset:0;place-items:center;font-family:'Space Grotesk';font-size:5rem;font-weight:700;color:rgba(246,166,9,.25);letter-spacing:.1em}
.about-media.no-img img{display:none}
.about-media.no-img .about-media-fallback{display:grid}
.about-badge{position:absolute;left:16px;bottom:16px;background:var(--accent);color:#05121a;font-weight:600;font-size:.74rem;letter-spacing:.14em;padding:8px 14px;border-radius:99px}

/* ===== Cards ===== */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:20px}
.card{
  background:var(--glass);backdrop-filter:blur(12px);border:1px solid var(--line);
  border-radius:var(--radius);padding:28px;position:relative;overflow:hidden;
  transition:transform .35s var(--ease),border-color .35s,background .35s;
}
.card::after{content:"";position:absolute;inset:0;background:radial-gradient(400px 200px at var(--mx,50%) -20%,rgba(59,201,255,.16),transparent 70%);opacity:0;transition:opacity .35s}
.card:hover{transform:translateY(-8px);border-color:rgba(246,166,9,.5);background:var(--glass-strong)}
.card:hover::after{opacity:1}
.card-ico{width:54px;height:54px;border-radius:14px;display:grid;place-items:center;margin-bottom:18px;
  background:linear-gradient(145deg,var(--bg-600),var(--bg-800));border:1px solid var(--line)}
.card-ico svg{width:28px;height:28px;fill:none;stroke:var(--accent);stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.card-ico i{font-size:25px;color:var(--accent)}
.card h3{font-size:1.2rem;margin-bottom:8px}
.card p{color:var(--muted);font-size:.94rem}

/* ===== Portfólio ===== */
.portfolio-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(290px,1fr));gap:20px}
.pf{
  display:flex;flex-direction:column;overflow:hidden;border-radius:var(--radius);
  background:var(--glass);backdrop-filter:blur(12px);border:1px solid var(--line);
  transition:transform .4s var(--ease),border-color .35s,box-shadow .35s;
}
.pf:hover{transform:translateY(-8px);border-color:rgba(246,166,9,.5);box-shadow:0 24px 50px rgba(0,0,0,.4)}
.pf-media{position:relative;aspect-ratio:4/3;overflow:hidden;background:#06222e}
.pf-media>img:first-child{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.pf:hover .pf-media>img:first-child{transform:scale(1.06)}
.pf-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 55%,rgba(2,12,18,.55));pointer-events:none}
.pf-mark{position:absolute;right:10px;bottom:10px;width:62px;height:auto;opacity:.6;pointer-events:none;z-index:2}
.pf-mark.sm{width:40px}
.pf-body{padding:18px 20px 22px}
.pf-body h3{font-size:1.1rem;margin-bottom:4px}
.pf-meta{color:var(--accent-2);font-size:.82rem;letter-spacing:.03em;margin-bottom:12px}
.pf-serv{list-style:none;display:flex;flex-direction:column;gap:5px}
.pf-serv li{position:relative;padding-left:16px;color:var(--muted);font-size:.88rem}
.pf-serv li::before{content:"";position:absolute;left:0;top:.55em;width:6px;height:6px;border-radius:50%;background:var(--accent)}

/* ===== Contato ===== */
.contact-grid{display:grid;grid-template-columns:1fr;gap:40px}
@media(min-width:880px){.contact-grid{grid-template-columns:1fr 1fr}}
.contact-info h2{font-size:clamp(1.7rem,3.6vw,2.5rem);margin:10px 0 14px}
.contact-info p{color:var(--muted);margin-bottom:22px}
.contact-list{list-style:none;display:flex;flex-direction:column;gap:14px}
.contact-list li{display:flex;flex-direction:column;border-bottom:1px solid var(--line);padding-bottom:12px}
.contact-list span{font-size:.72rem;letter-spacing:.2em;text-transform:uppercase;color:var(--muted)}
.contact-list a{font-size:1.05rem;font-weight:500;transition:color .25s}
.contact-list a:hover{color:var(--accent)}
.contact-list .wpp{color:#6fdc6f}
.contact-form{display:flex;flex-direction:column;gap:16px}
.field{display:flex;flex-direction:column;gap:6px}
.field label{font-size:.78rem;letter-spacing:.08em;color:var(--muted)}
.field input,.field textarea{
  background:rgba(2,14,22,.6);border:1px solid var(--line);border-radius:12px;
  padding:13px 15px;color:var(--text);font:inherit;font-size:.95rem;transition:border-color .25s,box-shadow .25s;
}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 4px rgba(246,166,9,.14)}
.field textarea{resize:vertical}
.form-note{font-size:.85rem;color:var(--accent-2);min-height:1em}

/* ===== Footer ===== */
.footer{position:relative;z-index:5;border-top:1px solid var(--line);background:rgba(2,12,18,.7);backdrop-filter:blur(10px);margin-top:40px}
.footer-inner{max-width:var(--maxw);margin:0 auto;padding:48px clamp(18px,5vw,40px) 24px;display:flex;flex-wrap:wrap;gap:30px;justify-content:space-between;align-items:center}
.footer-brand{display:flex;flex-direction:column;gap:10px;max-width:280px}
.footer-brand img{height:54px}
.footer-brand p{color:var(--muted);font-size:.9rem}
.footer-links{display:flex;flex-wrap:wrap;gap:18px}
.footer-links a{color:var(--muted);transition:color .25s}
.footer-links a:hover{color:var(--accent)}
.footer-bottom{max-width:var(--maxw);margin:0 auto;padding:18px clamp(18px,5vw,40px);border-top:1px solid var(--line);display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;color:var(--muted);font-size:.8rem}

/* ===== Reveal ===== */
.reveal{opacity:0;transform:translateY(34px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.reveal.in{opacity:1;transform:none}

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