:root {
  --ink: #0b1f33;
  --ink-2: #14324f;
  --steel: #5c6f82;
  --muted: #eef3f7;
  --line: #d7e1ea;
  --paper: #ffffff;
  --soft: #f6f9fb;
  --fire: #c9282d;
  --fire-2: #8d171b;
  --gold: #b98b42;
  --shadow: 0 18px 44px rgba(11, 31, 51, .12);
  --radius: 8px;
  --max: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.skip-link {
  position: absolute;
  top: -100%;
  left: 16px;
  z-index: 100;
  padding: 12px 18px;
  color: #fff;
  background: var(--fire);
  font-weight: 800;
  border-radius: 4px;
}
.skip-link:focus {
  top: 16px;
}
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.55;
}
body::selection { background: var(--fire); color: #fff; }
a { color: inherit; text-decoration: none; }
button, input, textarea { font: inherit; }

.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, .94);
  border-bottom: 1px solid rgba(215, 225, 234, .9);
  backdrop-filter: blur(14px);
}
.nav {
  width: min(var(--max), calc(100% - 32px));
  margin: 0 auto;
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 210px;
}
.brand-logo {
  height: 44px;
  width: auto;
  display: block;
}
.brand-mark {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  color: #fff;
  font-weight: 800;
  letter-spacing: 0;
  background: linear-gradient(145deg, var(--ink), var(--ink-2));
  border-bottom: 4px solid var(--fire);
}
.brand-text {
color: var(--steel);
font-size: 0.84rem;
font-weight: 700;
text-transform: uppercase;
}
.brand strong {
  display: block;
  font-size: 1rem;
  line-height: 1.1;
}
.brand span {
  display: block;
  color: var(--steel);
  font-size: .78rem;
  text-transform: uppercase;
  letter-spacing: .08em;
  margin-top: 3px;
}
.menu {
  display: flex;
  align-items: center;
  gap: 20px;
  color: var(--ink-2);
  font-size: .92rem;
  font-weight: 700;
}
.menu a { padding: 10px 0; border-bottom: 2px solid transparent; }
.menu a:hover { border-color: var(--fire); }
.nav-dropdown { position: relative; }
.nav-dropdown-trigger {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 0;
  border: 0;
  border-bottom: 2px solid transparent;
  background: none;
  color: inherit;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}
.nav-dropdown-trigger::after {
  content: "";
  width: 0;
  height: 0;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 5px solid currentColor;
  opacity: .7;
  transition: transform .2s ease;
}
.nav-dropdown.open .nav-dropdown-trigger,
.nav-dropdown-trigger:hover { border-color: var(--fire); }
.nav-dropdown.open .nav-dropdown-trigger::after { transform: rotate(180deg); }
.nav-dropdown-menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 240px;
  padding: 8px 0;
  background: #fff;
  border: 1px solid rgba(215, 225, 234, .9);
  border-radius: 6px;
  box-shadow: 0 14px 32px rgba(15, 35, 52, .12);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: opacity .2s ease, transform .2s ease, visibility .2s ease;
  z-index: 60;
}
.nav-dropdown.open .nav-dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.nav-dropdown-menu a {
  display: block;
  padding: 10px 16px;
  border-bottom: 0;
  white-space: nowrap;
}
.nav-dropdown-menu a:hover {
  background: rgba(201, 40, 45, .06);
  border-color: transparent;
}
.nav-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 16px;
  color: #fff;
  background: var(--fire);
  font-weight: 800;
  border-radius: 4px;
  box-shadow: 0 10px 24px rgba(201, 40, 45, .22);
}
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: #fff;
  cursor: pointer;
}
.nav-toggle-bar {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--ink);
  border-radius: 1px;
}
.mobile-menu {
  display: none;
  flex-direction: column;
  gap: 4px;
  padding: 16px;
  background: #fff;
  border-bottom: 1px solid var(--line);
  box-shadow: 0 12px 28px rgba(11, 31, 51, .1);
}
.mobile-menu a {
  padding: 12px 8px;
  color: var(--ink-2);
  font-weight: 700;
  border-bottom: 1px solid var(--line);
}
.mobile-menu a:last-child { border-bottom: 0; }
.mobile-menu-label {
  padding: 12px 8px 4px;
  color: var(--steel);
  font-size: .78rem;
  font-weight: 900;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.mobile-menu-cta {
  margin-top: 12px;
  width: 100%;
}
body.menu-open { overflow: hidden; }

.hero {
  position: relative;
  isolation: isolate;
  min-height: auto;
  display: grid;
  align-items: flex-start;
  overflow: hidden;
  color: #fff;
  background:
    linear-gradient(90deg, rgba(8, 25, 43, .98) 0%, rgba(8, 25, 43, .86) 47%, rgba(8, 25, 43, .42) 100%),
    radial-gradient(circle at 82% 20%, rgba(201, 40, 45, .2), transparent 24%),
    linear-gradient(135deg, #0b1f33, #14324f 55%, #67788a);
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  opacity: .52;
  background:
    repeating-linear-gradient(90deg, transparent 0 56px, rgba(255,255,255,.04) 57px 58px),
    linear-gradient(135deg, transparent 0 57%, rgba(255,255,255,.12) 57% 58%, transparent 58%);
}
.hero-inner {
  width: min(var(--max), calc(100% - 32px));
  margin: 0 auto;
  padding: 24px 0 32px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 470px);
  gap: 36px;
  align-items: center;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 18px;
  color: #dbe7f1;
  font-size: .83rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .1em;
}
.eyebrow::before {
  content: "";
  width: 38px;
  height: 3px;
  background: var(--fire);
}
h1, h2, h3, p { margin-top: 0; }
h1 {
  margin-bottom: 18px;
  max-width: 720px;
  font-size: clamp(3rem, 8vw, 6.9rem);
  line-height: .92;
  letter-spacing: 0;
}
/* Título hero reduzido para 70% do tamanho original */
#hero-title {
  font-size: clamp(2.1rem, 5.6vw, 4.83rem);
}
.hero-subtitle {
  margin: 0 0 22px;
  color: #f3f8fc;
  font-size: clamp(1.25rem, 2.8vw, 2.05rem);
  font-weight: 700;
  line-height: 1.2;
}
.hero p {
  max-width: 720px;
  color: #dbe7f1;
  font-size: 1.08rem;
}
.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 24px;
}
.btn {
  min-height: 50px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 0 22px;
  border: 1px solid transparent;
  border-radius: 4px;
  cursor: pointer;
  font-weight: 800;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary {
  color: #fff;
  background: var(--fire);
  box-shadow: 0 16px 32px rgba(201, 40, 45, .27);
}
.btn-secondary {
  color: #fff;
  border-color: rgba(255,255,255,.42);
  background: rgba(255,255,255,.08);
}
.btn-whatsapp {
  color: #fff;
  background: #25D366;
  box-shadow: 0 16px 32px rgba(37, 211, 102, .28);
  display: inline-flex;
  align-items: center;
  gap: 12px;
}
.btn-whatsapp:hover {
  background: #1fa857;
  box-shadow: 0 20px 40px rgba(37, 211, 102, .35);
}
.btn-whatsapp::before {
  content: "\1F4AC";
  font-size: 1.2rem;
}
.hero-visual {
  /* make container size fit the image and center it */
  min-height: auto;
  max-width: 470px;
  width: 100%;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 14px;
  box-sizing: border-box;
  border: 1px solid rgba(255,255,255,.18);
  background:
    linear-gradient(145deg, rgba(255,255,255,.12), rgba(255,255,255,.03)),
    repeating-linear-gradient(-35deg, rgba(255,255,255,.06) 0 1px, transparent 1px 18px);
  box-shadow: 0 18px 40px rgba(0, 0, 0, .18);
}
.pipe-hero {
  position: absolute;
  left: 10%;
  right: 10%;
  top: 34%;
  height: 76px;
  border-radius: 40px;
  background: linear-gradient(#c8d1d8, #748494 42%, #e9eef2 48%, #6c7b8a 75%, #d1d9df);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.42), 0 26px 50px rgba(0,0,0,.25);
  transform: rotate(-9deg);
}
.pipe-hero::before, .pipe-hero::after {
  content: "";
  position: absolute;
  top: -12px;
  width: 84px;
  height: 100px;
  border-radius: 20px;
  background: repeating-linear-gradient(90deg, #445261 0 7px, #8c9aaa 7px 12px);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.2);
}
.pipe-hero::before { left: 54px; }
.pipe-hero::after { right: 72px; }
.fiber-line {
  position: absolute;
  left: 23%;
  right: 23%;
  top: 41%;
  height: 10px;
  border-radius: 20px;
  background: repeating-linear-gradient(90deg, #f2eee3 0 12px, #d2c7a8 12px 18px);
  transform: rotate(-9deg);
  box-shadow: 0 0 0 3px rgba(201,40,45,.24);
}
.placeholder-tag {
  position: relative;
  width: fit-content;
  max-width: 100%;
  padding: 10px 12px;
  color: #fff;
  background: rgba(11, 31, 51, .74);
  border-left: 4px solid var(--fire);
  font-size: .78rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .04em;
}
.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  width: min(var(--max), calc(100% - 32px));
  margin: -42px auto 0;
  position: relative;
  z-index: 2;
  box-shadow: var(--shadow);
}
.stat {
  padding: 24px;
  background: #fff;
  border-top: 4px solid var(--fire);
}
.stat strong { display: block; font-size: 1.4rem; color: var(--ink); }
.stat span { color: var(--steel); font-size: .92rem; }

main { overflow: hidden; }
section {
  padding: 72px 0;
  background: #fff;
}
section.alt { background: var(--soft); }
.container {
  width: min(var(--max), calc(100% - 32px));
  margin: 0 auto;
}
.section-head {
  max-width: 780px;
  margin-bottom: 24px;
}
.section-head.center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}
.kicker {
  color: var(--fire);
  font-size: .78rem;
  font-weight: 900;
  letter-spacing: .12em;
  text-transform: uppercase;
  margin-bottom: 10px;
}
h2 {
  color: var(--ink);
  font-size: clamp(2rem, 4vw, 3.35rem);
  line-height: 1.05;
  margin-bottom: 16px;
  letter-spacing: 0;
}
.lead {
  color: var(--steel);
  font-size: 1.08rem;
}
.split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 520px);
  gap: 42px;
  align-items: center;
}
.media-frame {
  min-height: auto;
  width: auto;
  max-width: 100%;
  justify-self: center;
  position: relative;
  display: inline-flex;
  align-items: center;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(145deg, rgba(11,31,51,.08), rgba(255,255,255,.72)),
    repeating-linear-gradient(90deg, transparent 0 22px, rgba(20,50,79,.045) 22px 23px),
    var(--muted);
  box-shadow: var(--shadow);
}
.media-frame img {
  width: auto;
  height: auto;
  max-width: 100%;
  max-height: 100%;
  display: block;
  object-fit: contain;
  object-position: center;
}
.media-frame.dark {
  background:
    linear-gradient(145deg, rgba(11,31,51,.92), rgba(20,50,79,.74)),
    repeating-linear-gradient(135deg, rgba(255,255,255,.08) 0 1px, transparent 1px 18px);
  border-color: rgba(255,255,255,.08);
}
.product-pair {
  position: absolute;
  inset: 42px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 26px;
  align-items: end;
}
.spool, .paste {
  min-height: 300px;
  border-radius: 8px;
  position: relative;
  background: #fff;
  box-shadow: 0 22px 40px rgba(11,31,51,.18);
  overflow: hidden;
}
.spool::before {
  content: "";
  position: absolute;
  inset: 42px 24px 72px;
  border-radius: 50%;
  border: 34px solid #efe6cf;
  box-shadow: inset 0 0 0 10px #c7b385;
}
.spool::after, .paste::after {
  content: "Fio Bahia DOX";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 18px;
  color: #fff;
  background: var(--ink);
  font-weight: 900;
  text-align: center;
}
.paste {
  background: linear-gradient(#f8fbfd 0 48%, #dfe8ef 48% 100%);
}
.paste::before {
  content: "DOX";
  position: absolute;
  left: 18px;
  right: 18px;
  top: 70px;
  padding: 28px 8px;
  color: var(--fire);
  border: 5px solid var(--fire);
  font-size: 3.1rem;
  font-weight: 900;
  text-align: center;
}
.paste::after { content: "Pasta DOX"; background: var(--fire); }

.process {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin-top: 24px;
}
.step {
  position: relative;
  padding: 26px 20px;
  min-height: 210px;
  background: #fff;
  border: 1px solid var(--line);
  border-top: 4px solid var(--fire);
  border-radius: var(--radius);
  box-shadow: 0 10px 28px rgba(11,31,51,.06);
}
.num {
  display: inline-grid;
  place-items: center;
  width: 38px;
  height: 38px;
  margin-bottom: 18px;
  color: #fff;
  background: var(--ink);
  font-weight: 900;
  border-radius: 50%;
}
.step h3 { margin-bottom: 8px; font-size: 1.08rem; }
.step p { color: var(--steel); margin-bottom: 0; font-size: .95rem; }
.mini-pipe {
  height: 44px;
  margin: 0 0 18px;
  border-radius: 30px;
  background: linear-gradient(#d9e1e7, #6d7c89 48%, #e8edf1 52%, #768694);
  position: relative;
  overflow: hidden;
}
.mini-pipe img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.step-image {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 8px;
  margin-bottom: 18px;
}
.mini-pipe::after {
  content: "";
  position: absolute;
  inset: 12px 18%;
  border-radius: 20px;
  background: repeating-linear-gradient(90deg, #f4ead7 0 8px, #cdbd91 8px 13px);
}
.step:nth-child(2) .mini-pipe::after { box-shadow: 0 0 0 7px rgba(185,139,66,.28); }
.step:nth-child(3) .mini-pipe::after { inset: 12px 28%; background: var(--fire); }
.step:nth-child(4) .mini-pipe::after { inset: 10px 8%; background: linear-gradient(90deg, #efe6cf, var(--fire), #efe6cf); }

.technical-graphic {
  min-height: auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 18px;
  width: fit-content;
}
.technical-graphic-image {
  width: 100%;
  height: auto;
  display: block;
  max-width: 520px;
  border-radius: 8px;
}
.thread-diagram {
  width: min(100%, 520px);
  aspect-ratio: 1.35;
  position: relative;
  border: 1px solid rgba(255,255,255,.16);
  background: rgba(255,255,255,.05);
  overflow: hidden;
}
.thread-diagram::before {
  content: "";
  position: absolute;
  inset: 20% 8%;
  background:
    repeating-linear-gradient(135deg, transparent 0 18px, #d2dbe3 18px 28px, transparent 28px 46px),
    linear-gradient(#778898, #d9e1e7 45%, #667687);
  clip-path: polygon(0 25%, 100% 0, 100% 75%, 0 100%);
}
.thread-diagram::after {
  content: "";
  position: absolute;
  left: 11%;
  right: 11%;
  top: 47%;
  height: 18px;
  border-radius: 30px;
  background: linear-gradient(90deg, #f0e5ce, var(--fire), #f0e5ce);
  box-shadow: 0 0 0 8px rgba(201,40,45,.16);
  transform: rotate(-11deg);
}
.callouts {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 24px;
}
.callout {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}
.icon {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  margin-bottom: 14px;
  color: var(--fire);
  background: #fff1f1;
  border-radius: 50%;
  font-weight: 900;
}
.callout h3 { margin-bottom: 8px; font-size: 1.06rem; }
.callout p { margin: 0; color: var(--steel); font-size: .95rem; }

.application-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.application-card {
  min-height: 320px;
  position: relative;
  display: flex;
  align-items: flex-start;
  overflow: hidden;
  padding: 20px;
  color: #fff;
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, rgba(11,31,51,.12), rgba(11,31,51,.9)),
    repeating-linear-gradient(135deg, rgba(255,255,255,.12) 0 1px, transparent 1px 16px),
    linear-gradient(135deg, #687887, #1b3b58);
}
.application-card:nth-child(2) {
  background:
    linear-gradient(180deg, rgba(11,31,51,.1), rgba(11,31,51,.9)),
    linear-gradient(90deg, transparent 0 22%, rgba(201,40,45,.7) 22% 26%, transparent 26% 100%),
    repeating-linear-gradient(0deg, rgba(255,255,255,.1) 0 2px, transparent 2px 28px),
    #405a72;
}
.application-card:nth-child(3) {
  background:
    linear-gradient(180deg, rgba(11,31,51,.08), rgba(11,31,51,.9)),
    radial-gradient(circle at 70% 30%, rgba(201,40,45,.7), transparent 8%),
    repeating-linear-gradient(90deg, rgba(255,255,255,.12) 0 2px, transparent 2px 24px),
    #556878;
}
.application-card h3 { margin-bottom: 8px; }
.application-card p { margin: 0; color: #dfe9f1; }
.application-card > div {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.application-card-image {
  width: 100%;
  max-width: 100%;
  height: auto;
  display: block;
  object-fit: contain;
  border-radius: 8px;
  margin: 0 0 14px;
}
.list-check {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px 14px;
  padding: 0;
  margin: 20px 0 0;
  list-style: none;
}
.list-check li {
  position: relative;
  padding-left: 30px;
  color: var(--ink-2);
  font-weight: 700;
}
.list-check li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .35em;
  width: 16px;
  height: 16px;
  background: var(--fire);
  clip-path: polygon(14% 50%, 38% 74%, 88% 22%, 100% 34%, 38% 98%, 0 62%);
}

.norms {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}
.norm-card {
  padding: 24px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 10px 26px rgba(11,31,51,.05);
}
.norm-card .icon { background: var(--muted); color: var(--ink); }
.norm-card h3 { font-size: 1.04rem; }
.norm-card p { margin: 0; color: var(--steel); font-size: .94rem; }
.note {
  margin-top: 22px;
  padding: 18px 20px;
  color: var(--ink-2);
  background: #fff;
  border-left: 4px solid var(--fire);
  box-shadow: 0 12px 28px rgba(11,31,51,.06);
}

.benefits {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}
.benefit {
  padding: 20px;
  min-height: 168px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  transition: transform .2s ease, box-shadow .2s ease;
}
.benefit:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.benefit h3 { font-size: 1rem; margin-bottom: 8px; }
.benefit p { margin: 0; color: var(--steel); font-size: .92rem; }

.general-media {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}
.general-shot {
  min-height: 240px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: 16px;
  color: #fff;
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, rgba(11,31,51,.08), rgba(11,31,51,.9)),
    repeating-linear-gradient(90deg, rgba(255,255,255,.12) 0 2px, transparent 2px 30px),
    #546b7e;
}
.general-shot img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: contain;
  border-radius: 8px;
  margin-bottom: 14px;
}
.general-shot:nth-child(2) {
  background:
    linear-gradient(180deg, rgba(11,31,51,.08), rgba(11,31,51,.9)),
    radial-gradient(circle at 35% 42%, rgba(255,255,255,.24), transparent 18%),
    #4b657a;
}
.general-shot:nth-child(3) {
  background:
    linear-gradient(180deg, rgba(11,31,51,.08), rgba(11,31,51,.9)),
    linear-gradient(90deg, transparent 0 48%, rgba(201,40,45,.8) 48% 53%, transparent 53%),
    #637483;
}
.general-shot span {
  padding: 8px 10px;
  background: rgba(11,31,51,.72);
  border-left: 4px solid var(--fire);
  font-weight: 800;
  font-size: .82rem;
  text-transform: uppercase;
}

.tech-table {
  width: 100%;
  border-collapse: collapse;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  background: #fff;
}
.tech-table th, .tech-table td {
  padding: 20px 22px;
  text-align: left;
  border-bottom: 1px solid var(--line);
}
.tech-table th {
  width: 34%;
  color: var(--ink);
  background: var(--muted);
  font-size: .94rem;
  text-transform: uppercase;
  letter-spacing: .04em;
}
.tech-table tr:last-child th, .tech-table tr:last-child td { border-bottom: 0; }
.tech-table td { color: var(--steel); font-weight: 700; }

.faq {
  display: grid;
  gap: 12px;
}
.faq-item {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  overflow: hidden;
}
.faq-question {
  width: 100%;
  min-height: 66px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 0 22px;
  color: var(--ink);
  background: #fff;
  border: 0;
  cursor: pointer;
  font-weight: 900;
  text-align: left;
}
.faq-question span:last-child {
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  color: #fff;
  background: var(--fire);
  border-radius: 50%;
}
.faq-answer {
  display: none;
  padding: 0 22px 22px;
  color: var(--steel);
}
.faq-item.open .faq-answer { display: block; }

.contact h2, .contact .lead { color: #fff; }
.contact .lead { color: #dbe7f1; }
.contact-grid {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 44px;
  align-items: start;
}
.contact-copy p {
  color: var(--muted);
  font-size: 1.03rem;
}
    
.contact {
  position: relative;
  isolation: isolate;
  color: #fff;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 0.72fr);
  gap: clamp(28px, 6vw, 80px);
  align-items: center;
  width: min(var(--max), calc(100% - 32px));
  margin: 0 auto;
}
.contact::before {
  content: "";
  position: absolute;
  inset: 0;
  left: 50%;
  z-index: -1;
  width: 100vw;
  transform: translateX(-50%);
  background:
    linear-gradient(135deg, rgba(11,31,51,.98), rgba(20,50,79,.94)),
    repeating-linear-gradient(90deg, rgba(255,255,255,.06) 0 1px, transparent 1px 30px);
}

.contact-panel {
  padding: 24px;
  color: var(--white);
  background: var(--ink);
}

.contact-panel p {
  display: grid;
  gap: 4px;
  margin-bottom: 18px;
}

.contact-panel strong {
  color: #aeb8c1;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.logo-placeholder {
  width: 180px;
  height: 86px;
  display: grid;
  place-items: center;
  margin-bottom: 28px;
  color: var(--fire);
  background: #fff;
  border-bottom: 6px solid var(--fire);
  font-size: 2.4rem;
  font-weight: 900;
  letter-spacing: 0;
}
.contact-box {
  padding: 30px;
  border: 1px solid rgba(255,255,255,.16);
  border-radius: var(--radius);
  background: rgba(255,255,255,.08);
  box-shadow: 0 24px 50px rgba(0,0,0,.22);
}
.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
.field.full { grid-column: 1 / -1; }
label {
  display: block;
  margin-bottom: 7px;
  color: #dbe7f1;
  font-size: .85rem;
  font-weight: 800;
}
input, textarea {
  width: 100%;
  border: 1px solid rgba(255,255,255,.2);
  border-radius: 4px;
  background: rgba(255,255,255,.96);
  color: var(--ink);
  padding: 13px 14px;
  outline: none;
}
textarea { min-height: 118px; resize: vertical; }
input:focus, textarea:focus {
  border-color: var(--fire);
  box-shadow: 0 0 0 3px rgba(201,40,45,.22);
}
.form-note {
  margin: 14px 0 0;
  color: #cbd9e4;
  font-size: .86rem;
}

footer {
  padding: 36px 0;
  color: #dbe7f1;
  background: #071522;
}
.footer-grid {
  width: min(var(--max), calc(100% - 32px));
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
footer strong { display: block; color: #fff; font-size: 1.05rem; }
footer p { margin: 6px 0 0; max-width: 620px; }

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .7s ease, transform .7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Responsivo: imagem dentro do container .hero-visual - padding do container não afeta a img */
.hero-visual img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  object-position: center center;
  border-radius: 6px;
  padding: 0;
  border: none;
  box-shadow: none;
}

@media (max-width: 1040px) {
  .menu { display: none; }
  .nav-toggle { display: flex; }
  .mobile-menu:not([hidden]) { display: flex; }
  .hero-inner, .split, .contact-grid, .contact { grid-template-columns: 1fr; }
  .contact { padding-inline: 16px; }
  .hero { min-height: auto; }
  .hero-visual { min-height: auto; max-width: 100%; padding: 12px; }
  .process, .norms, .benefits { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 760px) {
  .nav { min-height: 68px; }
  .brand { min-width: 0; }
  .brand-text { display: none; }
  .nav-cta { display: none; }
  .contact-panel { padding: 20px 16px; }
  .hero-inner { padding: 24px 0 32px; gap: 32px; }
  h1 { font-size: clamp(2.85rem, 16vw, 4.2rem); }
  .hero-stats, .application-grid, .callouts, .general-media, .process, .norms, .benefits, .form-grid {
    grid-template-columns: 1fr;
  }
  .hero-stats { margin-top: 0; width: 100%; box-shadow: none; }
  .stat { border-left: 4px solid var(--fire); border-top: 0; }
  section { padding: 70px 0; }
  .media-frame { min-height: 340px; }
  .product-pair { inset: 24px; gap: 14px; }
  .spool, .paste { min-height: 245px; }
  .application-card { min-height: 300px; }
  .list-check { grid-template-columns: 1fr; }
  .tech-table, .tech-table tbody, .tech-table tr, .tech-table th, .tech-table td {
    display: block;
    width: 100%;
  }
  .tech-table th { border-bottom: 0; padding-bottom: 8px; }
  .tech-table td { padding-top: 8px; }
  .footer-grid { align-items: flex-start; flex-direction: column; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .btn, .benefit { transition: none; }
}