:root{
  --navy:#F3F4F5;
  --navy-mid:#E7E9EB;
  --paper:#FFFFFF;
  --paper-2:#F3F4F5;
  --ink:#1C1D1F;
  --orange:#2B6CB0;
  --orange-dim:#1D4E85;
  --line:#9AA0A6;
  --line-dim:rgba(154,160,166,0.35);
  --white:#FFFFFF;
  --terra:#2B6CB0;
  --taupe:#6B7075;
  --border:#E2E4E6;
  --radius:2px;
  --display:'Space Grotesk',sans-serif;
  --body:'IBM Plex Sans',sans-serif;
  --mono:'IBM Plex Mono',monospace;
}
*{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{
  background:var(--paper);
  color:var(--ink);
  font-family:var(--body);
  line-height:1.5;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
.wrap{max-width:1180px;margin:0 auto;padding:0 32px;}
.eyebrow{
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:0.18em;
  text-transform:uppercase;
  color:var(--orange);
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:14px;
}
.eyebrow::before{
  content:'';
  width:22px;height:1px;background:var(--orange);display:inline-block;
}
h1,h2,h3{font-family:var(--display);font-weight:600;letter-spacing:-0.01em;}
@media(prefers-reduced-motion: reduce){
  *{animation-duration:0.01ms !important; animation-iteration-count:1 !important; transition-duration:0.01ms !important; scroll-behavior:auto !important;}
}

/* ---------- NAV ---------- */
header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  background:rgba(255,255,255,0.92);
  backdrop-filter:blur(6px);
  border-bottom:1px solid var(--border);
}
nav{
  max-width:1180px;margin:0 auto;padding:0 32px;
  height:68px;display:flex;align-items:center;justify-content:space-between;
  position:relative;
}
.logo{
  font-family:var(--display);font-weight:700;font-size:19px;color:var(--ink);
  display:flex;align-items:baseline;gap:2px;letter-spacing:-0.02em;
}
.logo span{color:var(--orange);}
.nav-links{display:flex;gap:34px;list-style:none;}
.nav-links a{
  font-family:var(--mono);font-size:12.5px;letter-spacing:0.06em;text-transform:uppercase;
  color:#5B6066;transition:color .2s;
}
.nav-links a:hover, .nav-links a.active{color:var(--orange);}
.nav-cta{
  font-family:var(--mono);font-size:12px;letter-spacing:0.06em;text-transform:uppercase;
  color:var(--white);background:var(--orange);
  padding:10px 18px;border-radius:var(--radius);
  transition:background .2s;
}
.nav-cta:hover{background:var(--orange-dim);}
.burger{
  display:none;background:none;border:1px solid var(--border);border-radius:var(--radius);
  color:var(--ink);font-size:18px;line-height:1;cursor:pointer;
  width:40px;height:40px;align-items:center;justify-content:center;
}

/* ---------- MOBILE NAV ---------- */
@media(max-width:860px){
  .nav-links{
    display:none;
    position:absolute;top:68px;left:0;right:0;
    flex-direction:column;gap:0;
    background:var(--white);
    border-bottom:1px solid var(--border);
    box-shadow:0 12px 24px rgba(0,0,0,0.06);
  }
  .nav-links.open{display:flex;}
  .nav-links li{width:100%;border-top:1px solid var(--border);}
  .nav-links a{display:block;padding:16px 32px;font-size:13px;}
  .burger{display:inline-flex;}
}

/* ---------- PAGE HEADER (for subpages) ---------- */
.page-header{
  position:relative;
  background:var(--navy);
  color:var(--ink);
  padding:150px 0 64px;
  overflow:hidden;
  border-bottom:1px solid var(--border);
}
.page-header .hero-grid{
  position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(28,29,31,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(28,29,31,0.05) 1px, transparent 1px);
  background-size:42px 42px;
  mask-image:radial-gradient(ellipse 70% 100% at 30% 0%, black 40%, transparent 85%);
}
.page-header .wrap{position:relative;}
.page-header h1{font-size:clamp(30px,4vw,46px);line-height:1.08;max-width:760px;}
.page-header p.lead{font-size:16.5px;color:var(--taupe);max-width:560px;margin-top:16px;}

/* ---------- HERO (index only) ---------- */
.hero{
  position:relative;
  background:var(--navy);
  color:var(--ink);
  padding:168px 0 96px;
  overflow:hidden;
  border-bottom:1px solid var(--border);
}
.hero-grid{
  position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(28,29,31,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(28,29,31,0.06) 1px, transparent 1px);
  background-size:42px 42px;
  mask-image:radial-gradient(ellipse 80% 60% at 60% 30%, black 40%, transparent 85%);
}
.hero-inner{position:relative;display:grid;grid-template-columns:1.1fr 0.9fr;gap:40px;align-items:center;}
.hero h1{
  font-size:clamp(34px,4.4vw,58px);
  line-height:1.05;
  margin-bottom:22px;
}
.hero h1 em{font-style:normal;color:var(--orange);}
.hero p.lead{
  font-size:17px;color:var(--taupe);max-width:480px;margin-bottom:34px;
}
.cta-row{display:flex;gap:14px;flex-wrap:wrap;}
.btn{
  font-family:var(--mono);font-size:13px;letter-spacing:0.04em;
  padding:14px 24px;border-radius:var(--radius);
  display:inline-flex;align-items:center;gap:10px;
  transition:transform .15s ease, background .2s, color .2s, border-color .2s;
  border:1px solid transparent;
}
.btn:hover{transform:translateY(-2px);}
.btn-primary{background:var(--orange);color:var(--white);font-weight:600;}
.btn-primary:hover{background:var(--orange-dim);}
.btn-ghost{border-color:var(--border);color:var(--ink);background:var(--white);}
.btn-ghost:hover{border-color:var(--orange);color:var(--orange);}

.blueprint-fig{position:relative;}
.blueprint-fig svg{width:100%;height:auto;}
.draw-path{
  stroke-dasharray:1400;
  stroke-dashoffset:1400;
  animation:draw 2.6s ease forwards 0.3s;
}
.draw-path.slow{animation-duration:3.4s;animation-delay:0.6s;}
@keyframes draw{to{stroke-dashoffset:0;}}
.fade-in{opacity:0;animation:fadeIn 1s ease forwards 1.6s;}
@keyframes fadeIn{to{opacity:1;}}

.industry-statement{
  background:var(--paper);
  padding:56px 0;
  border-bottom:1px solid var(--border);
}
.industry-statement h2{
  font-size:clamp(28px,4.2vw,50px);
  line-height:1.12;
  color:var(--ink);
  max-width:920px;
}
.industry-statement h2 em{
  font-style:normal;
  color:var(--orange);
}

.strip{
  background:var(--navy-mid);
  border-bottom:1px solid var(--border);
  overflow:hidden;
  padding:14px 0;
}
.strip-track{
  display:flex;gap:64px;white-space:nowrap;
  font-family:var(--mono);font-size:12.5px;letter-spacing:0.14em;text-transform:uppercase;color:var(--taupe);
  animation:scroll 28s linear infinite;
  width:max-content;
}
@keyframes scroll{from{transform:translateX(0);}to{transform:translateX(-50%);}}

/* ---------- SECTION GENERIC ---------- */
section{padding:100px 0;}
.section-head{max-width:640px;margin-bottom:56px;}
.section-head h2{font-size:clamp(26px,3vw,38px);}
.section-head p{color:var(--taupe);font-size:16px;margin-top:14px;}

/* ---------- INDEX QUICK LINKS ---------- */
.quicklinks{background:var(--paper);}
.quick-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--border);border:1px solid var(--border);}
.quick-card{background:var(--paper);padding:36px 30px;transition:background .2s;}
.quick-card:hover{background:var(--navy);}
.quick-card .num{font-family:var(--mono);font-size:11px;color:var(--orange);letter-spacing:0.1em;}
.quick-card h3{font-size:19px;margin:14px 0 10px;}
.quick-card p{font-size:14px;color:var(--taupe);margin-bottom:16px;}
.quick-card .go{font-family:var(--mono);font-size:12px;letter-spacing:0.06em;text-transform:uppercase;color:var(--line);}
.quick-card:hover .go{color:var(--orange);text-decoration:underline;}

/* ---------- SERVICES ---------- */
.services{background:var(--paper);}
.service-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--border);border:1px solid var(--border);}
.service-card{background:var(--paper);padding:34px 26px;position:relative;}
.service-card .num{font-family:var(--mono);font-size:11px;color:var(--orange);letter-spacing:0.1em;}
.service-card svg{width:52px;height:52px;margin:18px 0 16px;}
.service-card h3{font-size:17px;margin-bottom:10px;}
.service-card p{font-size:14px;color:var(--taupe);}

/* ---------- ADVANTAGES ---------- */
.advantages{background:var(--navy);color:var(--ink);border-bottom:1px solid var(--border);}
.advantages .section-head p{color:var(--taupe);}
.adv-list{border-top:1px solid var(--border);}
.adv-row{
  display:grid;grid-template-columns:200px 1fr;gap:32px;
  padding:26px 0;border-bottom:1px solid var(--border);
  align-items:start;
}
.adv-row .tag{font-family:var(--mono);font-size:12px;letter-spacing:0.08em;color:var(--orange);text-transform:uppercase;padding-top:2px;}
.adv-row h3{font-size:18px;margin-bottom:8px;font-weight:600;}
.adv-row p{font-size:14.5px;color:var(--taupe);max-width:640px;}

/* ---------- MATERIALS ---------- */
.materials{
  background:
    linear-gradient(rgba(243,244,245,0.93), rgba(243,244,245,0.93)),
    url('images/filamentos.jpg') center / cover no-repeat;
}
.mat-sheet{
  background:var(--white);
  border:1px solid var(--border);
  font-family:var(--mono);
}
.mat-row{
  display:grid;grid-template-columns:40px 1fr 160px;
  border-bottom:1px solid var(--border);
  font-size:13.5px;
}
.mat-row:last-child{border-bottom:none;}
.mat-row > div{padding:14px 18px;}
.mat-row .code{color:var(--orange);}
.mat-row .swatch{width:14px;height:14px;border-radius:50%;display:inline-block;margin-right:10px;vertical-align:-2px;}
.mat-head{background:var(--ink);color:#C7C9CB;font-size:11px;text-transform:uppercase;letter-spacing:0.1em;}

.cert-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.cert-card{background:var(--white);border:1px solid var(--border);border-radius:var(--radius);padding:16px;display:flex;align-items:center;justify-content:center;}
.cert-card img{max-height:280px;width:auto;margin:0 auto;}
@media(max-width:860px){
  .cert-grid{grid-template-columns:1fr;}
}

/* ---------- ABOUT ---------- */
.about{background:var(--paper);}
.about-grid{display:grid;grid-template-columns:0.8fr 1.2fr;gap:56px;align-items:center;}
.about-photo{position:relative;}
.about-photo img{border-radius:var(--radius);}
.about-photo .frame{
  position:absolute;inset:-14px;border:1px solid var(--orange);
  border-radius:var(--radius);pointer-events:none;
}
.about-copy h2{font-size:clamp(24px,3vw,32px);margin-bottom:18px;}
.about-copy p{color:#43474A;margin-bottom:14px;font-size:16px;}
.cert-badge{
  margin-top:22px;display:inline-flex;gap:12px;align-items:center;
  font-family:var(--mono);font-size:12.5px;color:var(--ink);
  border:1px solid var(--border);padding:12px 16px;border-radius:var(--radius);background:var(--paper-2);
}

/* ---------- PORTFOLIO ---------- */
.portfolio{background:var(--navy);border-bottom:1px solid var(--border);}
.portfolio .section-head p{color:var(--taupe);}
.grid-gallery{
  display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:170px;gap:8px;
}
.grid-gallery a{
  position:relative;overflow:hidden;border-radius:var(--radius);border:1px solid var(--border);
}
.grid-gallery img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .5s ease;
}
.grid-gallery a:hover img{transform:scale(1.06);}
.g-tall{grid-row:span 2;}

/* ---------- CONTACT / FOOTER ---------- */
footer{background:var(--paper);color:var(--ink);padding:76px 0 28px;border-top:1px solid var(--border);}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr;gap:48px;margin-bottom:56px;}
.footer-brand .logo{color:var(--ink);margin-bottom:14px;}
.footer-brand p{color:var(--taupe);max-width:340px;font-size:14.5px;}
footer h4{font-family:var(--mono);font-size:12px;letter-spacing:0.1em;text-transform:uppercase;color:#8B9095;margin-bottom:16px;}
footer ul{list-style:none;}
footer li{margin-bottom:10px;font-size:14.5px;}
footer a{color:var(--taupe);}
footer a:hover{color:var(--orange);}
.footer-bottom{
  border-top:1px solid var(--border);padding-top:22px;
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;
  font-family:var(--mono);font-size:12px;color:#8B9095;
}

@media(max-width:860px){
  .hero-inner{grid-template-columns:1fr;}
  .blueprint-fig{order:-1;max-width:320px;margin:0 auto 20px;}
  .service-grid{grid-template-columns:repeat(2,1fr);}
  .quick-grid{grid-template-columns:1fr;}
  .about-grid{grid-template-columns:1fr;}
  .adv-row{grid-template-columns:1fr;gap:6px;}
  .grid-gallery{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr;gap:36px;}
  .mat-row{grid-template-columns:32px 1fr 90px;font-size:12px;}
}