/* RCS Refratários — redesign 2026 */
@import url('https://fonts.googleapis.com/css2?family=Barlow+Condensed:wght@500;600;700&family=Barlow:wght@400;500;600&family=IBM+Plex+Mono:wght@400;500&display=swap');

:root {
  --ink: #101418;
  --steel: #1a212a;
  --panel: #151b22;
  --line: #2b3540;
  --bone: #eef1f4;
  --mute: #93a0ae;
  --spark: #ff6a00;
  --ember: #ffb25c;
  --display: "Barlow Condensed", "Arial Narrow", sans-serif;
  --body: "Barlow", "Helvetica Neue", Arial, sans-serif;
  --mono: "IBM Plex Mono", "SF Mono", Menlo, monospace;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
body {
  background: var(--ink);
  color: var(--bone);
  font-family: var(--body);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img, svg { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
.wrap { max-width: 1180px; margin: 0 auto; padding: 0 24px; }

h1, h2, h3 { font-family: var(--display); text-transform: uppercase; line-height: 1.02; text-wrap: balance; }
h1 { font-size: clamp(2.9rem, 7vw, 5.2rem); font-weight: 700; letter-spacing: .01em; }
h2 { font-size: clamp(2rem, 4.4vw, 3.1rem); font-weight: 600; }
h3 { font-size: 1.35rem; font-weight: 600; letter-spacing: .02em; }
.lead { color: var(--mute); font-size: 1.1rem; max-width: 62ch; }
.eyebrow {
  font-family: var(--mono); font-size: .72rem; letter-spacing: .18em;
  text-transform: uppercase; color: var(--spark); display: flex;
  align-items: center; gap: 12px; margin-bottom: 18px;
}
.eyebrow::before { content: ""; width: 34px; height: 1px; background: var(--spark); }
.accent { color: transparent; background: linear-gradient(100deg, var(--spark), var(--ember)); -webkit-background-clip: text; background-clip: text; }
.pad-t { margin-top: 15px; }

.photo { border: 1px solid var(--line); background: var(--panel); padding: 10px; margin: 0; }
.photo img { width: 100%; height: auto; filter: saturate(.92) contrast(1.05); }
.photo figcaption {
  padding: 12px 4px 2px; font-family: var(--mono); font-size: .68rem; letter-spacing: .1em;
  text-transform: uppercase; color: var(--mute); display: flex; justify-content: space-between;
  gap: 12px; flex-wrap: wrap;
}
.photo figcaption b { color: var(--ember); font-weight: 500; }

section { padding: 96px 0; border-top: 1px solid var(--line); }
.sec-head { margin-bottom: 52px; max-width: 720px; }
.sec-head p { margin-top: 14px; }

/* ---------- header ---------- */
header {
  position: fixed; inset: 0 0 auto 0; z-index: 50;
  background: rgba(16, 20, 24, .92);
  background: color-mix(in srgb, var(--ink) 88%, transparent);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav { display: flex; align-items: center; gap: 28px; height: 68px; }
.logo { display: flex; align-items: center; gap: 13px; font-family: var(--display); font-weight: 700; font-size: 1.5rem; letter-spacing: .02em; }
.logo img { height: 34px; width: auto; display: block; }
.logo b { color: var(--spark); }
.logo small { display: block; font-family: var(--mono); font-size: .58rem; font-weight: 400; letter-spacing: .14em; color: var(--mute); text-transform: uppercase; }
.nav-links { display: flex; gap: 26px; margin-left: auto; font-size: .92rem; font-weight: 500; color: var(--mute); }
.nav-links a:hover, .nav-links a:focus-visible { color: var(--bone); }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  font-family: var(--display); font-weight: 600; text-transform: uppercase;
  letter-spacing: .05em; font-size: 1.02rem; padding: 13px 26px;
  border: 1px solid var(--spark); color: var(--ink); background: var(--spark);
  cursor: pointer; transition: background .18s, color .18s, transform .18s;
}
.btn:hover { background: var(--ember); border-color: var(--ember); transform: translateY(-1px); }
.btn.ghost { background: transparent; color: var(--bone); border-color: var(--line); }
.btn.ghost:hover { border-color: var(--spark); color: var(--spark); background: transparent; }
.nav .btn { padding: 9px 18px; font-size: .92rem; }
.burger { display: none; margin-left: auto; background: none; border: 1px solid var(--line); color: var(--bone); padding: 8px 10px; cursor: pointer; }
a:focus-visible, button:focus-visible { outline: 2px solid var(--ember); outline-offset: 2px; }

/* ---------- hero ---------- */
.hero {
  position: relative; padding: 190px 0 110px; border-top: 0; overflow: hidden;
  background:
    radial-gradient(900px 480px at 78% 18%, rgba(255,106,0,.16), transparent 62%),
    radial-gradient(600px 380px at 12% 90%, rgba(255,106,0,.07), transparent 60%),
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='56' height='97'%3E%3Cpath d='M28 0l28 16v32L28 64 0 48V16z M28 97l28-16M28 97L0 81' fill='none' stroke='%232b3540' stroke-opacity='.5'/%3E%3C/svg%3E"),
    var(--ink);
}
.hero .wrap { position: relative; z-index: 2; }
.hero h1 { max-width: 15ch; margin: 0 0 22px; }
.hero .lead { font-size: 1.18rem; margin-bottom: 38px; }
.hero-ctas { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-note { margin-top: 46px; font-family: var(--mono); font-size: .72rem; letter-spacing: .12em; color: var(--mute); text-transform: uppercase; }
.hero-note b { color: var(--ember); font-weight: 500; }
.hero-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 60px; align-items: center; }
.hero-photo { max-width: 420px; justify-self: end; }
.spark-field { position: absolute; inset: 0; z-index: 1; pointer-events: none; }
.spark-field i {
  position: absolute; width: 3px; height: 3px; border-radius: 50%;
  background: var(--ember); box-shadow: 0 0 8px 2px rgba(255,106,0,.55);
  opacity: 0; animation: fly 3.2s linear infinite;
}
@keyframes fly {
  0% { transform: translate(0,0) scale(1); opacity: 0; }
  8% { opacity: .9; }
  100% { transform: translate(var(--dx,-140px), var(--dy,-190px)) scale(.2); opacity: 0; }
}

/* ---------- stats ---------- */
.stats { padding: 0; border-top: 1px solid var(--line); background: var(--panel); }
.stats .wrap { display: grid; grid-template-columns: repeat(4, 1fr); }
.stat { padding: 34px 26px; border-left: 1px solid var(--line); }
.stat:first-child { border-left: 0; }
.stat b { display: block; font-family: var(--display); font-weight: 700; font-size: clamp(2.1rem, 3.4vw, 2.9rem); line-height: 1; color: var(--bone); font-variant-numeric: tabular-nums; }
.stat b small { font-size: .55em; color: var(--spark); font-weight: 600; }
.stat span { display: block; margin-top: 8px; font-family: var(--mono); font-size: .68rem; letter-spacing: .1em; text-transform: uppercase; color: var(--mute); }

/* ---------- serviços ---------- */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.card {
  background: var(--panel); border: 1px solid var(--line); padding: 30px 28px 34px;
  display: flex; flex-direction: column; gap: 14px; position: relative;
  transition: border-color .2s, transform .2s;
}
.card:hover { border-color: var(--spark); border-color: color-mix(in srgb, var(--spark) 55%, var(--line)); transform: translateY(-3px); }
.card .glyph { width: 40px; height: 40px; color: var(--spark); }
.card p { color: var(--mute); font-size: .98rem; }
.card .tag { margin-top: auto; padding-top: 14px; font-family: var(--mono); font-size: .68rem; letter-spacing: .12em; text-transform: uppercase; color: var(--ember); }

/* ---------- tecnologia ---------- */
.tech { background: linear-gradient(180deg, var(--panel), var(--ink)); }
.tech-grid { display: grid; grid-template-columns: 1.05fr 1fr; gap: 60px; align-items: start; }
.tech-punch {
  margin-top: 34px; padding: 26px 28px; border-left: 3px solid var(--spark);
  background: color-mix(in srgb, var(--spark) 7%, transparent);
  font-family: var(--display); font-size: 1.5rem; font-weight: 500; line-height: 1.25;
}
.tech-punch b { color: var(--spark); }
.photo.strip { margin-top: 28px; max-width: 470px; }
.feat { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--line); border: 1px solid var(--line); }
.feat li { list-style: none; background: var(--ink); padding: 22px 20px; }
.feat li b { display: block; font-family: var(--mono); font-size: .7rem; letter-spacing: .1em; text-transform: uppercase; color: var(--ember); margin-bottom: 7px; }
.feat li span { color: var(--mute); font-size: .92rem; }

/* ---------- speed cells ---------- */
.sc-grid { display: grid; grid-template-columns: 1fr 1.05fr; gap: 60px; align-items: center; }
.sc-visual { background: var(--panel); border: 1px solid var(--line); padding: 16px; }
.sc-visual > img { width: 100%; height: auto; filter: saturate(.92) contrast(1.05); }
.sc-thumbs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: 10px; }
.sc-thumbs figure { margin: 0; border: 1px solid var(--line); background: var(--ink); display: flex; flex-direction: column; }
.sc-thumbs img { flex: 1 1 0; width: 100%; min-height: 120px; object-fit: cover; display: block; filter: saturate(.92) contrast(1.05); }
.sc-thumbs svg { width: 100%; height: 118px; display: block; }
.sc-thumbs .duo img + img { border-top: 1px solid var(--line); }
.sc-thumbs figcaption {
  padding: 8px 10px; font-family: var(--mono); font-size: .62rem; letter-spacing: .08em;
  text-transform: uppercase; color: var(--mute); border-top: 1px solid var(--line);
}
@media (max-width: 700px) {
  .sc-thumbs { grid-template-columns: 1fr 1fr; }
  .sc-thumbs figure:last-child { grid-column: 1 / -1; }
  .sc-thumbs figure:last-child svg { height: 150px; }
}
.sc-visual figcaption { margin-top: 18px; font-family: var(--mono); font-size: .7rem; letter-spacing: .1em; text-transform: uppercase; color: var(--mute); display: flex; justify-content: space-between; gap: 12px; }
.sc-visual figcaption b { color: var(--spark); font-weight: 500; }
.hex-old { stroke: var(--line); fill: none; }
.hex-live { stroke: var(--mute); fill: none; }
.hex-hot { stroke: var(--spark); fill: rgba(255,106,0,.14); filter: drop-shadow(0 0 6px rgba(255,106,0,.5)); }
.spec-rows { margin: 26px 0 30px; border-top: 1px solid var(--line); }
.spec-rows div { display: grid; grid-template-columns: 190px 1fr; gap: 18px; padding: 13px 0; border-bottom: 1px solid var(--line); font-size: .95rem; }
.spec-rows dt { font-family: var(--mono); font-size: .7rem; letter-spacing: .1em; text-transform: uppercase; color: var(--ember); padding-top: 3px; }
.spec-rows dd { color: var(--mute); }

/* ---------- indústrias ---------- */
.ind-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.ind {
  background: var(--ink); padding: 26px 18px 22px; display: flex; flex-direction: column;
  gap: 12px; font-family: var(--display); font-weight: 600; font-size: 1.06rem;
  text-transform: uppercase; letter-spacing: .04em; transition: background .2s;
}
.ind svg { width: 30px; height: 30px; color: var(--spark); }
.ind:hover { background: var(--panel); }

/* ---------- normas ---------- */
.norms { background: var(--panel); }
.norms-flex { display: flex; gap: 46px; align-items: center; flex-wrap: wrap; }
.norm-badges { display: flex; gap: 12px; flex-wrap: wrap; }
.norm-badges span {
  font-family: var(--mono); font-size: .8rem; letter-spacing: .1em; padding: 11px 18px;
  border: 1px solid var(--line); color: var(--bone); background: var(--ink); white-space: nowrap;
}
.silicon-card { flex: 1 1 320px; border-left: 3px solid var(--spark); padding-left: 22px; color: var(--mute); font-size: .98rem; }
.silicon-card b { color: var(--bone); }

/* ---------- sobre ---------- */
.about-grid { display: grid; grid-template-columns: 1.2fr .8fr; gap: 60px; }
.about-grid .lead { margin-bottom: 18px; }
.values { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 26px; }
.values span { font-family: var(--display); text-transform: uppercase; letter-spacing: .05em; font-size: .95rem; padding: 8px 16px; border: 1px solid var(--line); color: var(--mute); }
.person { background: var(--panel); border: 1px solid var(--line); padding: 22px 24px; margin-bottom: 16px; }
.about-grid .photo { margin-bottom: 16px; }
.person b { font-family: var(--display); font-size: 1.2rem; text-transform: uppercase; letter-spacing: .04em; }
.person span { display: block; font-family: var(--mono); font-size: .72rem; letter-spacing: .08em; color: var(--mute); margin-top: 6px; }
.person a { color: var(--ember); }

/* ---------- contato ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; }
.c-item { display: flex; gap: 14px; padding: 15px 0; border-bottom: 1px solid var(--line); color: var(--mute); font-size: .97rem; align-items: baseline; }
.c-item b { font-family: var(--mono); font-size: .7rem; letter-spacing: .12em; text-transform: uppercase; color: var(--ember); min-width: 92px; }
.c-item a:hover { color: var(--spark); }
form { display: grid; gap: 14px; }
form .row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
label { font-family: var(--mono); font-size: .68rem; letter-spacing: .12em; text-transform: uppercase; color: var(--mute); display: grid; gap: 7px; }
input, textarea {
  background: var(--panel); border: 1px solid var(--line); color: var(--bone);
  padding: 13px 14px; font-family: var(--body); font-size: .98rem; width: 100%;
}
input:focus, textarea:focus { outline: none; border-color: var(--spark); }
textarea { resize: vertical; min-height: 110px; }
.form-note { font-size: .82rem; color: var(--mute); }

/* ---------- footer / float ---------- */
footer { border-top: 1px solid var(--line); padding: 34px 0 44px; color: var(--mute); font-size: .86rem; }
footer .wrap { display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; align-items: center; }
footer nav { display: flex; gap: 18px; flex-wrap: wrap; }
footer a:hover { color: var(--spark); }
.wa-float {
  position: fixed; right: 22px; bottom: 22px; z-index: 60; width: 56px; height: 56px;
  border-radius: 50%; background: #25d366; display: flex; align-items: center; justify-content: center;
  box-shadow: 0 8px 24px rgba(0,0,0,.45); transition: transform .18s;
}
.wa-float:hover { transform: scale(1.08); }
.wa-float svg { width: 30px; height: 30px; fill: #fff; }

/* ---------- reveal ---------- */
.rv { opacity: 0; transform: translateY(14px); transition: opacity .6s ease, transform .6s ease; }
.rv.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .rv { opacity: 1; transform: none; transition: none; }
  .spark-field i { animation: none; display: none; }
  .btn:hover, .card:hover, .wa-float:hover { transform: none; }
}

/* ---------- responsive ---------- */
@media (max-width: 980px) {
  .cards, .tech-grid, .sc-grid, .about-grid, .contact-grid, .hero-grid { grid-template-columns: 1fr; }
  .hero-grid { gap: 44px; }
  .hero-photo { justify-self: start; }
  .tech-grid, .sc-grid, .about-grid, .contact-grid { gap: 44px; }
  .ind-grid { grid-template-columns: repeat(3, 1fr); }
  .stats .wrap { grid-template-columns: repeat(2, 1fr); }
  .stat:nth-child(3) { border-left: 0; }
  .stat { border-top: 1px solid var(--line); }
  .stat:nth-child(-n+2) { border-top: 0; }
}
@media (max-width: 720px) {
  section { padding: 68px 0; }
  .hero { padding: 150px 0 80px; }
  .nav-links, .nav .btn, .logo small { display: none; }
  .burger { display: block; }
  .nav-open .nav-links {
    display: flex; flex-direction: column; position: absolute; top: 68px; left: 0; right: 0;
    background: var(--ink); border-bottom: 1px solid var(--line); padding: 18px 24px 24px; gap: 16px;
  }
  .ind-grid { grid-template-columns: repeat(2, 1fr); }
  .spec-rows div, form .row2 { grid-template-columns: 1fr; }
  .spec-rows div { gap: 4px; }
}

/* ---------- print (PDF) ---------- */
@media print {
  * { -webkit-print-color-adjust: exact; print-color-adjust: exact; }
  html { scroll-behavior: auto; }
  body { background: var(--ink); }
  header, .wa-float, .burger { display: none; }
  .hero { padding: 90px 0 70px; }
  section { padding: 54px 0; }
  .rv { opacity: 1; transform: none; transition: none; }
  .spark-field { display: none; }
  .card, .feat li, .person, .ind, .sc-visual, .norm-badges span, .stat { break-inside: avoid; }
  .sec-head, .sc-grid > div, .about-grid > div, .norms-flex, .tech-punch { break-inside: avoid; }
  .eyebrow { break-after: avoid; }
  .photo, .sc-thumbs figure { break-inside: avoid; }
  .hero-photo { max-width: 330px; }
  .tech, .sc, .norms, .about, .contact { break-before: auto; }
  h2 { break-after: avoid; }
}