/* ===========================================================
   GLASSCLIM — sistema visual
   Paleta: grafite industrial + alumínio + azul-vidro + laranja-corte
   Tipografia: Big Shoulders Display (estrutural) + Inter (corpo) + IBM Plex Mono (dados)
   =========================================================== */

@import url('https://fonts.googleapis.com/css2?family=Big+Shoulders+Display:wght@500;600;700;800;900&family=Inter:wght@400;500;600;700&family=IBM+Plex+Mono:wght@500;600&display=swap');

:root{
  --graphite: #14181b;
  --charcoal: #1e262b;
  --charcoal-2: #262f35;
  --steel: #5b6a72;
  --steel-light: #8fa0a8;
  --aluminium: #d8dee1;
  --paper: #f2f4f5;
  --white: #ffffff;
  --glass: #2fb2d6;
  --glass-deep: #1c7f9c;
  --cut: #ff5a2e;
  --ink: #10151a;

  --font-display: 'Big Shoulders Display', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;

  --container: 1180px;
}

*,*::before,*::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin:0;
  font-family: var(--font-body);
  background: var(--paper);
  color: var(--ink);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
ul{ margin:0; padding:0; list-style:none; }
h1,h2,h3,h4{
  font-family: var(--font-display);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.01em;
  line-height: 0.98;
  margin: 0;
}
p{ margin:0; }
.container{
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}
:focus-visible{
  outline: 3px solid var(--cut);
  outline-offset: 3px;
}
@media (prefers-reduced-motion: reduce){
  *{ animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; scroll-behavior:auto !important; }
}

/* ---------- eyebrow / mono labels ---------- */
.eyebrow{
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--glass-deep);
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom: 14px;
}
.eyebrow::before{
  content:"";
  width: 22px;
  height: 2px;
  background: var(--cut);
  display:inline-block;
}
.on-dark .eyebrow{ color: var(--glass); }
.on-dark .eyebrow::before{ background: var(--cut); }

/* ---------- frame-corner signature (caixilho de alumínio) ---------- */
.framed{
  position: relative;
}
.framed::before,
.framed::after,
.framed .fc-tr,
.framed .fc-bl{
  content:"";
  position:absolute;
  width: 18px; height: 18px;
  border-color: var(--glass);
  border-style: solid;
  border-width: 0;
  z-index: 2;
  pointer-events: none;
}
.framed::before{ top:-1px; left:-1px; border-top-width:3px; border-left-width:3px; }
.framed::after{ bottom:-1px; right:-1px; border-bottom-width:3px; border-right-width:3px; }

/* ---------- header / nav ---------- */
.site-header{
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(20,24,27,0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.nav-wrap{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding: 14px 24px;
  max-width: var(--container);
  margin: 0 auto;
}
.brand{
  display:flex;
  align-items:baseline;
  gap: 2px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 24px;
  letter-spacing: 0.02em;
  color: var(--white);
}
.brand span{ color: var(--glass); }
.main-nav{
  display:flex;
  align-items:center;
  gap: 6px;
}
.main-nav > li{ position: relative; }
.main-nav a{
  display:block;
  padding: 10px 14px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--aluminium);
  transition: color .2s ease;
  border-bottom: 2px solid transparent;
}
.main-nav a:hover,
.main-nav a[aria-current="page"]{
  color: var(--white);
  border-bottom-color: var(--cut);
}
.has-sub{ position: relative; }
.sub-nav{
  position:absolute;
  top: 100%;
  left: 0;
  min-width: 240px;
  background: var(--charcoal);
  border: 1px solid rgba(255,255,255,0.08);
  border-top: 2px solid var(--cut);
  padding: 6px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(4px);
  transition: all .18s ease;
}
.has-sub:hover .sub-nav,
.has-sub:focus-within .sub-nav{
  opacity: 1; visibility: visible; transform: translateY(0);
}
.sub-nav a{
  padding: 10px 12px;
  font-size: 12px;
  border-bottom: none;
  border-left: 2px solid transparent;
}
.sub-nav a:hover{ border-left-color: var(--cut); background: rgba(255,255,255,0.04); }
.nav-toggle{
  display:none;
  background:none; border:none; cursor:pointer;
  width:40px; height:40px;
  position:relative;
}
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after{
  content:"";
  position:absolute; left:9px; right:9px;
  height:2px; background: var(--white);
  transition: transform .2s ease, opacity .2s ease;
}
.nav-toggle span{ top:19px; }
.nav-toggle span::before{ top:-7px; }
.nav-toggle span::after{ top:7px; }

/* ---------- score line divider (linha de corte) ---------- */
.score{
  position: relative;
  height: 46px;
  overflow: hidden;
}
.score svg{ width:100%; height:100%; display:block; }
.score-dark{ background: var(--graphite); }
.score-light{ background: var(--paper); }

/* ---------- hero ---------- */
.hero{
  background: var(--graphite);
  color: var(--white);
  position: relative;
  overflow: hidden;
  padding: 96px 0 120px;
}
.hero::after{
  content:"";
  position:absolute;
  right: -10%;
  top: -20%;
  width: 60%;
  height: 140%;
  background:
    linear-gradient(115deg, transparent 46%, rgba(47,178,214,0.16) 47%, rgba(47,178,214,0.16) 48%, transparent 49%),
    linear-gradient(115deg, transparent 60%, rgba(255,90,46,0.12) 61%, rgba(255,90,46,0.12) 61.6%, transparent 62.6%),
    linear-gradient(115deg, transparent 30%, rgba(255,255,255,0.05) 30.6%, transparent 31.4%);
  pointer-events:none;
}
.hero-grid{
  display:grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 48px;
  align-items:center;
  position: relative;
  z-index: 1;
}
.hero h1{
  font-size: clamp(42px, 6vw, 78px);
  color: var(--white);
}
.hero h1 em{ font-style:normal; color: var(--glass); }
.hero-lede{
  margin-top: 22px;
  max-width: 46ch;
  color: var(--aluminium);
  font-size: 17px;
}
.hero-actions{
  margin-top: 34px;
  display:flex;
  gap: 14px;
  flex-wrap: wrap;
}
.hero-stats{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.12);
  margin-top: 56px;
  position:relative; z-index:1;
}
.hero-stats div{
  background: var(--graphite);
  padding: 20px 22px;
}
.hero-stats .num{
  font-family: var(--font-display);
  font-size: 34px;
  color: var(--glass);
  font-weight: 800;
}
.hero-stats .lbl{
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--steel-light);
  margin-top: 4px;
}
.hero-visual{
  position: relative;
  aspect-ratio: 4/5;
  border: 1px solid rgba(255,255,255,0.16);
}
.hero-visual img{ width:100%; height:100%; object-fit:cover; opacity:0.88; }
.hero-visual::before{
  content:"";
  position:absolute; inset:0;
  background: linear-gradient(200deg, rgba(47,178,214,0.28), transparent 55%);
  mix-blend-mode: screen;
}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding: 14px 26px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border: 1px solid currentColor;
  transition: all .2s ease;
  cursor:pointer;
}
.btn-primary{
  background: var(--cut);
  border-color: var(--cut);
  color: var(--white);
}
.btn-primary:hover{ background: #e64d24; border-color:#e64d24; }
.btn-ghost{
  color: var(--white);
  border-color: rgba(255,255,255,0.4);
}
.btn-ghost:hover{ border-color: var(--white); background: rgba(255,255,255,0.06); }
.on-light .btn-ghost{ color: var(--ink); border-color: rgba(16,21,26,0.35); }
.on-light .btn-ghost:hover{ border-color: var(--ink); background: rgba(16,21,26,0.05); }

/* ---------- sections ---------- */
section{ padding: 88px 0; }
.section-head{
  max-width: 640px;
  margin-bottom: 52px;
}
.section-head h2{
  font-size: clamp(30px, 4vw, 46px);
  color: var(--ink);
}
.section-head p{
  margin-top: 16px;
  color: var(--steel);
  font-size: 16.5px;
}
.on-dark{ background: var(--graphite); color: var(--white); }
.on-dark .section-head h2{ color: var(--white); }
.on-dark .section-head p{ color: var(--aluminium); }
.bg-charcoal{ background: var(--charcoal); }
.bg-aluminium{ background: var(--aluminium); }

/* ---------- product grid ---------- */
.grid-5{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  background: rgba(16,21,26,0.08);
}
.pcard{
  background: var(--white);
  padding: 34px 28px;
  position: relative;
  transition: background .2s ease;
}
.pcard:hover{ background: #fafcfc; }
.pcard .pnum{
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--glass-deep);
  letter-spacing: 0.08em;
}
.pcard h3{
  font-size: 24px;
  margin-top: 14px;
  color: var(--ink);
}
.pcard p{
  margin-top: 12px;
  color: var(--steel);
  font-size: 14.5px;
}
.pcard .plink{
  margin-top: 18px;
  display:inline-flex;
  align-items:center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--glass-deep);
  border-bottom: 1px solid var(--glass-deep);
  padding-bottom: 2px;
}
.pcard .plink:hover{ color: var(--cut); border-color: var(--cut); }

/* ---------- glass sheen band ---------- */
.sheen-band{
  background: linear-gradient(100deg, var(--glass-deep), var(--glass) 55%, #7fd6ea);
  color: var(--graphite);
  padding: 54px 0;
}
.sheen-band .container{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 24px;
  flex-wrap: wrap;
}
.sheen-band h3{
  font-size: clamp(24px, 3.4vw, 34px);
  color: var(--graphite);
}
.sheen-band p{ font-family: var(--font-mono); font-size: 13px; margin-top:8px; }

/* ---------- timeline (sobre) ---------- */
.timeline{
  border-left: 2px solid var(--steel-light);
  margin-left: 8px;
}
.tl-item{
  position: relative;
  padding: 0 0 46px 34px;
}
.tl-item:last-child{ padding-bottom: 0; }
.tl-item::before{
  content:"";
  position:absolute;
  left: -7px; top: 4px;
  width: 12px; height:12px;
  background: var(--paper);
  border: 2px solid var(--cut);
}
.tl-year{
  font-family: var(--font-display);
  font-size: 30px;
  color: var(--glass-deep);
}
.tl-item p{
  margin-top: 8px;
  color: var(--steel);
  max-width: 58ch;
}

/* ---------- values / process ---------- */
.value-row{
  display:grid;
  grid-template-columns: repeat(4,1fr);
  gap: 28px;
}
.value{
  border-top: 3px solid var(--cut);
  padding-top: 18px;
}
.value h4{
  font-size: 19px;
  color: var(--ink);
  text-transform: none;
  font-family: var(--font-body);
  font-weight: 700;
}
.value p{
  margin-top: 10px;
  color: var(--steel);
  font-size: 14.5px;
}
.on-dark .value h4{ color: var(--white); }
.on-dark .value p{ color: var(--aluminium); }
.on-dark .value{ border-top-color: var(--glass); }

/* ---------- product detail page ---------- */
.pd-hero{
  background: var(--graphite);
  color: var(--white);
  padding: 70px 0 64px;
}
.pd-hero .eyebrow{ color: var(--glass); }
.pd-hero h1{
  font-size: clamp(34px,5vw,58px);
  color: var(--white);
  max-width: 18ch;
}
.pd-hero .lede{
  margin-top: 18px;
  max-width: 60ch;
  color: var(--aluminium);
  font-size: 16.5px;
}
.pd-body{
  display:grid;
  grid-template-columns: 1.3fr 0.9fr;
  gap: 56px;
  padding: 72px 0;
}
.pd-body h2{
  font-size: 26px;
  color: var(--ink);
}
.pd-body .lead-p{
  margin-top: 16px;
  font-size: 16.5px;
  color: var(--charcoal);
}
.spec-list{
  margin-top: 28px;
  border-top: 1px solid rgba(16,21,26,0.12);
}
.spec-list li{
  display:flex;
  justify-content:space-between;
  gap: 16px;
  padding: 13px 0;
  border-bottom: 1px solid rgba(16,21,26,0.12);
  font-size: 14.5px;
}
.spec-list li span:first-child{ color: var(--steel); }
.spec-list li span:last-child{
  font-family: var(--font-mono);
  font-size: 13px;
  text-align: right;
  color: var(--ink);
}
.side-card{
  background: var(--charcoal);
  color: var(--white);
  padding: 32px 28px;
  height: fit-content;
}
.side-card h3{
  font-size: 20px;
  color: var(--white);
}
.side-card ul{ margin-top:18px; }
.side-card li{
  padding: 12px 0;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  font-size: 14px;
  color: var(--aluminium);
  display:flex;
  gap: 10px;
}
.side-card li::before{ content:"—"; color: var(--glass); flex-shrink:0; }
.side-card .btn{ margin-top: 24px; width:100%; justify-content:center; }
.related{
  margin-top: 30px;
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,0.12);
}
.related p{
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--steel-light);
  margin-bottom: 12px;
}
.related a{
  display:block;
  font-size: 14px;
  padding: 8px 0;
  color: var(--aluminium);
  border-left: 2px solid transparent;
  padding-left: 10px;
}
.related a:hover{ border-left-color: var(--cut); color: var(--white); }

/* ---------- contact page ---------- */
.contact-grid{
  display:grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 0;
  border: 1px solid rgba(16,21,26,0.12);
}
.contact-info{
  background: var(--graphite);
  color: var(--white);
  padding: 48px 40px;
}
.contact-info h2{ font-size:28px; color:var(--white); }
.info-row{
  margin-top: 28px;
  padding-top: 22px;
  border-top: 1px solid rgba(255,255,255,0.12);
}
.info-row .lbl{
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--glass);
}
.info-row .val{
  margin-top: 8px;
  font-size: 16px;
  color: var(--white);
}
.info-row a.val:hover{ color: var(--cut); }
.map-embed{ position: relative; min-height: 420px; }
.map-embed iframe{
  width:100%; height:100%; min-height:420px;
  border:0; display:block; filter: grayscale(0.35) contrast(1.05);
}
.legal-strip{
  background: var(--aluminium);
  padding: 22px 0;
}
.legal-strip ul{
  display:flex;
  gap: 28px;
  flex-wrap:wrap;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.legal-strip a{ border-bottom: 1px solid rgba(16,21,26,0.35); padding-bottom:2px; }
.legal-strip a:hover{ border-color: var(--cut); color: var(--cut); }

/* ---------- footer ---------- */
.site-footer{
  background: var(--graphite);
  color: var(--aluminium);
  padding: 60px 0 28px;
}
.footer-grid{
  display:grid;
  grid-template-columns: 1.3fr 0.9fr 0.9fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-brand .brand{ margin-bottom: 14px; }
.footer-grid p{ font-size: 14px; color: var(--steel-light); max-width: 34ch; }
.footer-col h4{
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--white);
  margin-bottom: 16px;
}
.footer-col li{ margin-bottom: 10px; }
.footer-col a{ font-size: 14px; color: var(--aluminium); }
.footer-col a:hover{ color: var(--glass); }
.footer-bottom{
  display:flex;
  justify-content:space-between;
  align-items:center;
  flex-wrap: wrap;
  gap: 14px;
  padding-top: 24px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--steel-light);
}
.footer-bottom a{ color: var(--steel-light); }
.footer-bottom a:hover{ color: var(--glass); }

/* ---------- responsive ---------- */
@media (max-width: 980px){
  .hero-grid{ grid-template-columns: 1fr; }
  .hero-visual{ order:-1; aspect-ratio: 16/9; }
  .grid-5{ grid-template-columns: repeat(2,1fr); }
  .pd-body{ grid-template-columns: 1fr; }
  .contact-grid{ grid-template-columns: 1fr; }
  .footer-grid{ grid-template-columns: 1fr 1fr; }
  .value-row{ grid-template-columns: repeat(2,1fr); }
}
@media (max-width: 760px){
  .nav-toggle{ display:block; }
  .main-nav{
    position:absolute;
    top: 100%; left:0; right:0;
    flex-direction:column;
    align-items:stretch;
    background: var(--graphite);
    border-top: 1px solid rgba(255,255,255,0.1);
    border-bottom: 2px solid var(--cut);
    max-height: 0;
    overflow: hidden;
    transition: max-height .25s ease;
  }
  .main-nav.open{ max-height: 640px; }
  .main-nav a{ padding: 14px 24px; border-bottom:1px solid rgba(255,255,255,0.06); }
  .has-sub .sub-nav{
    position: static; opacity:1; visibility:visible; transform:none;
    display:none; border:none; background: var(--charcoal-2); padding:0;
  }
  .has-sub.open .sub-nav{ display:block; }
  .grid-5{ grid-template-columns: 1fr; }
  .footer-grid{ grid-template-columns: 1fr; }
  .value-row{ grid-template-columns: 1fr; }
  .hero-stats{ grid-template-columns: 1fr; }
}