:root{
  --bg:#0b0b0d;
  --bg-panel:#151519;
  --bg-panel-2:#1c1c21;
  --steel:#cfd2d8;
  --steel-dim:#8a8d94;
  --gold:#d4a72c;
  --gold-bright:#f2c352;
  --rust:#b8451f;
  --rust-bright:#d65a2c;
  --text:#e9e7e2;
  --line:rgba(212,167,44,0.18);
  --radius:2px;
}
html,body{overflow-x:hidden;max-width:100%;}
*{margin:0;padding:0;box-sizing:border-box;}
svg{max-width:100%;}
html{scroll-behavior:smooth;}
body{
  background:var(--bg);
  color:var(--text);
  font-family:'Barlow',sans-serif;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{font-family:'Oswald',sans-serif;text-transform:uppercase;letter-spacing:0.02em;}
.mono{font-family:'JetBrains Mono',monospace;}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}

/* ── background texture ── */
.bg-texture{
  position:fixed;inset:0;z-index:0;pointer-events:none;
  background:
    radial-gradient(circle at 15% 10%, rgba(212,167,44,0.06), transparent 40%),
    radial-gradient(circle at 85% 90%, rgba(184,69,31,0.05), transparent 45%),
    repeating-linear-gradient(115deg, rgba(255,255,255,0.012) 0px, rgba(255,255,255,0.012) 1px, transparent 1px, transparent 3px);
}

/* ── header / nav ── */
header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  display:flex;align-items:center;justify-content:space-between;
  padding:12px 5vw;
  background:rgba(11,11,13,0.82);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:padding .3s ease;
}
.brand{display:flex;align-items:center;gap:12px;}
.brand-logo{
  width:52px;height:52px;flex-shrink:0;
  object-fit:contain;
}
.icon{width:1em;height:1em;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;vertical-align:-0.14em;}
.brand-name{font-size:1.1rem;font-weight:700;letter-spacing:0.06em;}
.brand-name span{color:var(--gold-bright);}
nav ul{display:flex;gap:32px;list-style:none;}
nav a{
  font-family:'Oswald',sans-serif;font-size:0.78rem;letter-spacing:0.12em;
  text-transform:uppercase;color:var(--steel-dim);
  position:relative;padding-bottom:4px;transition:color .25s;
}
nav a::after{
  content:'';position:absolute;left:0;bottom:0;width:0;height:1px;
  background:var(--gold-bright);transition:width .25s ease;
}
nav a:hover{color:var(--text);}
nav a:hover::after{width:100%;}
.nav-toggle{display:none;background:none;border:none;color:var(--gold-bright);font-size:1.4rem;cursor:pointer;}
@media (max-width:860px){
  nav{
    position:fixed;top:68px;left:0;right:0;background:var(--bg-panel);
    border-bottom:1px solid var(--line);flex-direction:column;padding:8px 0;
    transform:translateY(-140%);transition:transform .3s ease;
  }
  nav.open{transform:translateY(0);}
  nav ul{flex-direction:column;gap:0;}
  nav ul li{border-top:1px solid var(--line);}
  nav ul li a{display:block;padding:14px 5vw;}
  .nav-toggle{display:block;}
}

/* ── hero ── */
.hero{
  position:relative;
  display:flex;align-items:center;
  padding:110px 5vw 72px;
  background:
    linear-gradient(180deg, rgba(11,11,13,0.4), rgba(11,11,13,0.92)),
    radial-gradient(ellipse at 70% 30%, rgba(212,167,44,0.10), transparent 55%);
  z-index:1;min-height:92vh;
}
.hero-inner{
  max-width:1200px;margin:0 auto;width:100%;
  display:grid;grid-template-columns:1.2fr 0.8fr;gap:60px;align-items:center;
}
.hero-inner > *{min-width:0;}
.eyebrow{
  font-family:'JetBrains Mono',monospace;font-size:0.72rem;letter-spacing:0.24em;
  color:var(--rust-bright);text-transform:uppercase;margin-bottom:18px;
  display:flex;align-items:center;gap:10px;
}
.eyebrow::before{content:'';width:26px;height:1px;background:var(--rust-bright);}
.hero h1{
  font-size:clamp(2.6rem,5.5vw,4.4rem);line-height:0.98;font-weight:700;
  color:var(--steel);
}
.hero h1 .accent{
  color:var(--gold-bright);
  background:linear-gradient(120deg,var(--gold) 0%,var(--gold-bright) 50%,var(--gold) 100%);
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
}
.hero-sub{
  margin-top:22px;max-width:46ch;color:var(--steel-dim);font-size:1rem;line-height:1.65;
}
.hero-tags{
  margin-top:24px;display:flex;gap:20px;flex-wrap:wrap;
  font-family:'JetBrains Mono',monospace;font-size:0.74rem;letter-spacing:0.14em;
  color:var(--gold);text-transform:uppercase;
}
.hero-tags span{display:flex;align-items:center;gap:7px;}
.hero-tags span::before{content:'';width:5px;height:5px;background:var(--rust-bright);transform:rotate(45deg);}
.hero-ctas{margin-top:34px;display:flex;gap:14px;flex-wrap:wrap;}
.btn{
  display:inline-flex;align-items:center;gap:10px;
  padding:14px 24px;font-family:'Oswald',sans-serif;font-size:0.82rem;
  letter-spacing:0.1em;text-transform:uppercase;font-weight:600;
  border-radius:var(--radius);cursor:pointer;border:1px solid transparent;transition:all .25s ease;
}
.btn-primary{background:linear-gradient(120deg,var(--gold) 0%,var(--gold-bright) 100%);color:#1a1305;}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(212,167,44,0.25);}
.btn-ghost{border-color:rgba(207,210,216,0.35);color:var(--steel);}
.btn-ghost:hover{border-color:var(--gold-bright);color:var(--gold-bright);}

/* hero visual: drill bit */
.hero-visual{position:relative;display:flex;align-items:center;justify-content:center;min-width:0;}
.auger-wrap{
  position:relative;width:min(300px,60vw);aspect-ratio:1/1;max-width:100%;
  display:flex;align-items:center;justify-content:center;
}
.auger-ring{
  position:absolute;inset:0;border:1px solid rgba(212,167,44,0.22);border-radius:50%;
  animation:spin 40s linear infinite;
  z-index:3;pointer-events:none;
}
.auger-ring.r2{inset:22px;border-color:rgba(184,69,31,0.25);animation-duration:28s;animation-direction:reverse;}
@keyframes spin{to{transform:rotate(360deg);}}
.auger-bit{
  position:relative;z-index:2;
  width:62%;height:62%;
  object-fit:contain;
  filter:drop-shadow(0 0 20px rgba(212,167,44,0.3));
}
@media (max-width:820px){
  .hero-inner{grid-template-columns:1fr;gap:32px;text-align:left;}
  .hero-visual{order:-1;}
  .auger-wrap{width:min(180px,50vw);margin:0 auto;}
}

/* ── sections shared ── */
section{position:relative;z-index:1;padding:80px 5vw;}
.section-inner{max-width:1200px;margin:0 auto;}
.section-head{display:grid;grid-template-columns:0.9fr 1.1fr;gap:36px;margin-bottom:44px;align-items:end;}
.section-tag{
  font-family:'JetBrains Mono',monospace;font-size:0.72rem;letter-spacing:0.22em;
  color:var(--rust-bright);text-transform:uppercase;margin-bottom:12px;
}
.section-title{font-size:clamp(1.8rem,3.2vw,2.5rem);color:var(--steel);}
.section-title b{color:var(--gold-bright);font-weight:700;}
.section-lede{color:var(--steel-dim);font-size:0.97rem;line-height:1.7;}
@media (max-width:760px){.section-head{grid-template-columns:1fr;}}

/* ── Quem Somos ── */
.quem{background:var(--bg-panel);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.quem-grid{display:grid;grid-template-columns:0.5fr 1fr;gap:52px;align-items:start;}
.quem-mark{
  font-family:'Oswald',sans-serif;font-weight:700;color:var(--gold);
  font-size:clamp(3rem,6vw,5.5rem);line-height:0.85;
  border-left:3px solid var(--rust-bright);padding-left:20px;
}
.quem-mark small{
  display:block;font-family:'JetBrains Mono',monospace;font-size:0.7rem;
  letter-spacing:0.2em;color:var(--steel-dim);text-transform:uppercase;
  margin-top:14px;font-weight:400;
}
.quem-text p{color:var(--steel-dim);line-height:1.75;margin-bottom:18px;font-size:0.97rem;}
.quem-text strong{color:var(--text);font-weight:600;}
@media (max-width:760px){.quem-grid{grid-template-columns:1fr;}}

/* ── Serviços ── */
.servicos-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:2px;background:var(--line);}
.servico-card{
  background:var(--bg);padding:36px 28px;position:relative;overflow:hidden;
  transition:background .3s ease;
}
.servico-card:hover{background:var(--bg-panel-2);}
.servico-num{
  font-family:'JetBrains Mono',monospace;font-size:0.74rem;color:var(--rust-bright);
  letter-spacing:0.16em;margin-bottom:20px;display:block;
}
.servico-icon{width:44px;height:44px;margin-bottom:20px;color:var(--gold-bright);}
.servico-card h3{font-size:1.1rem;color:var(--steel);margin-bottom:10px;}
.servico-card p{color:var(--steel-dim);font-size:0.93rem;line-height:1.65;}
@media (max-width:760px){.servicos-grid{grid-template-columns:1fr;}}

/* ── Equipamentos ── */
.equip{background:var(--bg-panel);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.equip-grid{
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(210px,1fr));
  gap:1px;background:var(--line);margin-top:8px;
}
.equip-item{
  background:var(--bg-panel);
  padding:15px 18px;
  display:flex;align-items:center;gap:12px;
  font-family:'JetBrains Mono',monospace;font-size:0.82rem;
  color:var(--steel);
  transition:background .2s ease, color .2s ease;
}
.equip-item::before{
  content:'';
  width:5px;height:5px;min-width:5px;
  background:var(--rust-bright);
  transform:rotate(45deg);
  transition:background .2s ease;
}
.equip-item:hover{background:var(--bg-panel-2);color:var(--gold-bright);}
.equip-item:hover::before{background:var(--gold-bright);}

/* ── Diferenciais ── */
.dif-list{border-top:1px solid var(--line);}
.dif-item{
  display:grid;grid-template-columns:56px 1fr;gap:24px;padding:26px 0;
  border-bottom:1px solid var(--line);align-items:start;
}
.dif-icon-wrap{
  width:44px;height:44px;border:1px solid var(--line);border-radius:var(--radius);
  display:flex;align-items:center;justify-content:center;
  color:var(--gold);flex-shrink:0;
}
.dif-item h4{font-size:1.1rem;color:var(--steel);margin-bottom:7px;letter-spacing:0.01em;}
.dif-item p{color:var(--steel-dim);line-height:1.6;font-size:0.94rem;}
@media (max-width:600px){.dif-item{grid-template-columns:1fr;gap:10px;}}

/* ── Área de atendimento ── */
.area{background:var(--bg-panel);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.area-grid{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center;}
.area-badge{
  display:inline-flex;align-items:center;gap:14px;
  border:1px solid var(--line);padding:14px 20px;border-radius:var(--radius);
  background:var(--bg);margin-top:14px;
}
.area-badge .dot{width:10px;height:10px;background:var(--gold-bright);border-radius:50%;box-shadow:0 0 10px rgba(242,195,82,0.6);}
.area-badge span{font-family:'Oswald',sans-serif;font-size:1.05rem;letter-spacing:0.06em;color:var(--steel);}
.area-map{
  aspect-ratio:4/3;border:1px solid var(--line);border-radius:var(--radius);
  display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden;
  background:radial-gradient(circle at 45% 30%, rgba(212,167,44,0.07), transparent 65%);
}
.area-map svg{width:90%;height:90%;}
@media (max-width:760px){
  .area-grid{grid-template-columns:1fr;}
  .area-map{aspect-ratio:auto;padding:20px 0;}
}

/* ── Empresas Parceiras ── */
.parceiros-grid{margin-top:8px;}
.parceiro-card{
  display:grid;grid-template-columns:auto 1fr auto;gap:24px;align-items:center;
  padding:28px 32px;border:1px solid var(--line);border-radius:var(--radius);
  background:var(--bg);transition:all .3s ease;cursor:pointer;
}
.parceiro-card:hover{
  background:var(--bg-panel-2);border-color:rgba(212,167,44,0.35);
  transform:translateY(-2px);box-shadow:0 8px 30px rgba(212,167,44,0.1);
}
.parceiro-logo{width:72px;height:72px;border-radius:12px;object-fit:contain;background:#fff;padding:6px;}
.parceiro-info h4{font-size:1.15rem;color:var(--steel);margin-bottom:6px;}
.parceiro-info p{color:var(--steel-dim);font-size:0.9rem;line-height:1.6;}
.parceiro-arrow{color:var(--gold);opacity:0;transform:translate(-6px,6px);transition:all .3s ease;}
.parceiro-card:hover .parceiro-arrow{opacity:1;transform:translate(0,0);}
@media (max-width:600px){.parceiro-card{grid-template-columns:auto 1fr;}.parceiro-arrow{display:none;}}

/* ── Footer / Contato ── */
footer{
  padding:72px 5vw 36px;position:relative;z-index:1;
  background:linear-gradient(180deg,var(--bg),#000);
}
.foot-grid{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:1.1fr 1fr;gap:60px;}
.foot-brand{display:flex;align-items:center;gap:12px;margin-bottom:18px;}
.foot-brand img{width:52px;height:52px;object-fit:contain;}
.foot-brand-name{font-family:'Oswald',sans-serif;font-size:1.35rem;font-weight:700;letter-spacing:0.04em;}
.foot-brand-name span{color:var(--gold-bright);}
.foot-tagline{
  color:var(--steel-dim);font-size:0.82rem;letter-spacing:0.08em;
  text-transform:uppercase;font-family:'JetBrains Mono',monospace;margin-bottom:28px;
}
.foot-pillars{display:flex;gap:22px;flex-wrap:wrap;}
.foot-pillars div{display:flex;flex-direction:column;align-items:flex-start;gap:8px;color:var(--steel-dim);}
.foot-pillars .pil-icon{color:var(--gold);}
.foot-pillars span{font-family:'JetBrains Mono',monospace;font-size:0.65rem;letter-spacing:0.1em;text-transform:uppercase;line-height:1.5;}
.contact-list{display:flex;flex-direction:column;gap:24px;}
.contact-row{display:flex;gap:16px;align-items:flex-start;}
.contact-row .icn{
  width:40px;height:40px;flex-shrink:0;border:1px solid var(--line);border-radius:50%;
  display:flex;align-items:center;justify-content:center;color:var(--gold-bright);
}
.contact-row h5{font-family:'JetBrains Mono',monospace;font-size:0.68rem;letter-spacing:0.16em;color:var(--rust-bright);text-transform:uppercase;margin-bottom:5px;}
.contact-row a,.contact-row div.val{color:var(--steel);font-size:0.97rem;line-height:1.5;}
.contact-row a:hover{color:var(--gold-bright);}
@media (max-width:760px){.foot-grid{grid-template-columns:1fr;}}
.foot-bottom{
  max-width:1200px;margin:50px auto 0;padding-top:22px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;
  font-family:'JetBrains Mono',monospace;font-size:0.7rem;color:var(--steel-dim);letter-spacing:0.06em;
}

/* ── reveal on scroll ── */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .65s ease, transform .65s ease;}
.reveal.in{opacity:1;transform:translateY(0);}

@media (prefers-reduced-motion:reduce){
  *{animation-duration:0.01ms !important;animation-iteration-count:1 !important;transition-duration:0.01ms !important;scroll-behavior:auto !important;}
}