/* ============================================================
   IOTécnica — iotecnica.com.br
   Blueprint industrial · paleta oficial vermelho + cinza
   ============================================================ */

:root {
  --red: #E11D26;
  --red-dark: #A8131A;
  --ink: #1A1A1A;
  --slate: #525252;
  --slate-2: #737373;
  --paper: #F5F5F4;
  --paper-2: #E7E5E0;
  --white: #FFFFFF;
  --whatsapp: #25D366;
  --font-head: 'Sora', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', 'Consolas', monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

body {
  font-family: var(--font-body);
  background: var(--paper);
  color: var(--ink);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img, svg { max-width: 100%; }
img { display: block; }

a { color: inherit; }

:focus-visible {
  outline: 3px solid rgba(225, 29, 38, 0.55);
  outline-offset: 2px;
}

section { scroll-margin-top: 80px; }

.iot-section { padding: 110px 32px; }
.iot-container { max-width: 1320px; margin: 0 auto; }

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(1.4); }
}

/* ---------- Utilitários blueprint ---------- */

.mono { font-family: var(--font-mono); }

.kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--red);
  letter-spacing: 0.18em;
  margin-bottom: 18px;
  font-weight: 700;
  text-transform: uppercase;
}
.kicker::before { content: ""; width: 24px; height: 1px; background: var(--red); }

.h2 {
  font-family: var(--font-head);
  font-size: 56px;
  font-weight: 800;
  color: var(--ink);
  line-height: 1.02;
  letter-spacing: -0.035em;
}

.section-sub {
  font-size: 17px;
  color: var(--slate);
  margin-top: 18px;
  line-height: 1.55;
  max-width: 720px;
}

/* Cantoneiras de blueprint (4 cantos): 2 no contêiner + 2 no span.ticks */
.tick-box { position: relative; }
.tick-box::before, .tick-box::after,
.tick-box > .ticks::before, .tick-box > .ticks::after {
  content: "";
  position: absolute;
  width: 12px;
  height: 12px;
  pointer-events: none;
}
.tick-box::before { top: 0; left: 0; border-top: 1.5px solid var(--tick, var(--ink)); border-left: 1.5px solid var(--tick, var(--ink)); }
.tick-box::after { bottom: 0; right: 0; border-bottom: 1.5px solid var(--tick, var(--ink)); border-right: 1.5px solid var(--tick, var(--ink)); }
.tick-box > .ticks::before { top: 0; right: 0; border-top: 1.5px solid var(--tick, var(--ink)); border-right: 1.5px solid var(--tick, var(--ink)); }
.tick-box > .ticks::after { bottom: 0; left: 0; border-bottom: 1.5px solid var(--tick, var(--ink)); border-left: 1.5px solid var(--tick, var(--ink)); }
.tick-slate { --tick: rgba(82, 82, 82, 0.7); }

.blueprint-grid {
  background-image:
    linear-gradient(rgba(26, 26, 26, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(26, 26, 26, 0.06) 1px, transparent 1px);
  background-size: 32px 32px;
}

/* ---------- Navegação ---------- */

.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(245, 245, 244, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(26, 26, 26, 0.13);
}
.nav-inner {
  max-width: 1320px;
  margin: 0 auto;
  padding: 14px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.nav-logo img { height: 40px; width: auto; }
.nav-links { display: flex; align-items: center; gap: 28px; font-size: 14px; }
.nav-links a { color: var(--ink); text-decoration: none; font-weight: 500; }
.nav-links a:hover { color: var(--red); }
.nav-cta {
  padding: 10px 18px;
  background: var(--red);
  color: var(--white) !important;
  border-radius: 4px;
  text-decoration: none;
  font-weight: 700;
  font-size: 13px;
  font-family: var(--font-mono);
  letter-spacing: 0.05em;
  white-space: nowrap;
}
.nav-cta:hover { background: var(--red-dark); color: var(--white); }
.nav-cta-mobile { display: none; }

/* ---------- Hero ---------- */

.hero {
  position: relative;
  padding: 70px 32px 60px;
  overflow: hidden;
  background: var(--paper);
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(26, 26, 26, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(26, 26, 26, 0.06) 1px, transparent 1px);
  background-size: 32px 32px;
}
.hero-inner { position: relative; max-width: 1320px; margin: 0 auto; }

.doc-strip {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--slate);
  letter-spacing: 0.1em;
  margin-bottom: 56px;
  padding-bottom: 16px;
  border-bottom: 1px dashed rgba(26, 26, 26, 0.2);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 56px;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  background: var(--red);
  color: var(--white);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.15em;
  font-weight: 700;
  margin-bottom: 32px;
}

.hero h1 {
  font-family: var(--font-head);
  font-size: 92px;
  font-weight: 800;
  line-height: 0.92;
  letter-spacing: -0.04em;
  color: var(--ink);
}
.hero h1 .accent { color: var(--red); font-style: italic; font-weight: 700; }
.hero-mede { position: relative; display: inline-block; }
.hero-arrow { position: absolute; bottom: 6px; right: -90px; }

.hero-sub {
  font-size: 19px;
  line-height: 1.55;
  color: var(--slate);
  max-width: 540px;
  margin-top: 32px;
}

.hero-cta { display: flex; gap: 14px; margin-top: 36px; flex-wrap: wrap; }
.btn-dark {
  padding: 18px 28px;
  background: var(--ink);
  color: var(--white);
  border-radius: 4px;
  text-decoration: none;
  font-weight: 700;
  font-size: 15px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.btn-dark:hover { background: #000; }
.btn-outline {
  padding: 18px 24px;
  color: var(--ink);
  text-decoration: none;
  font-weight: 600;
  font-size: 15px;
  border: 1.5px solid var(--ink);
  border-radius: 4px;
  display: inline-flex;
  align-items: center;
}
.btn-outline:hover { background: rgba(26, 26, 26, 0.05); }

.hero-stats {
  margin-top: 48px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  padding-top: 24px;
  border-top: 1px solid rgba(26, 26, 26, 0.13);
}
.hero-stats .n {
  font-family: var(--font-head);
  font-size: 28px;
  font-weight: 800;
  color: var(--ink);
  line-height: 1;
  letter-spacing: -0.02em;
}
.hero-stats .l { font-size: 12px; color: var(--slate); margin-top: 6px; line-height: 1.4; }

/* Cartão da placa */
.placa-card {
  padding: 22px;
  background: var(--white);
  border: 1.5px solid var(--ink);
  border-radius: 8px;
}
.card-strip {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.15em;
  color: var(--slate);
  margin-bottom: 14px;
  display: flex;
  justify-content: space-between;
}
.live-dot { color: var(--red); display: inline-flex; align-items: center; gap: 6px; }
.live-dot::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 99px;
  background: var(--red);
  display: inline-block;
  animation: pulse 1.2s infinite;
}
.placa-media { position: relative; border-radius: 6px; overflow: hidden; }
.placa-media img { width: 100%; height: auto; }
.callout {
  position: absolute;
  padding: 3px 7px;
  background: var(--white);
  font-family: var(--font-mono);
  font-size: 9px;
  color: var(--ink);
  letter-spacing: 0.1em;
  border-left: 2px solid var(--red);
}
.placa-specs {
  margin-top: 14px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  font-family: var(--font-mono);
}
.placa-specs > div { padding: 8px 10px; background: var(--paper); border: 1px solid rgba(26, 26, 26, 0.13); }
.placa-specs .k { color: var(--slate); font-size: 9px; letter-spacing: 0.1em; }
.placa-specs .v { color: var(--ink); font-size: 13px; font-weight: 700; margin-top: 2px; }
.placa-foot {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--slate);
  letter-spacing: 0.1em;
  display: flex;
  justify-content: space-between;
}

/* ---------- Soluções ---------- */

.solucoes { background: var(--paper-2); }
.grid-solucoes {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-top: 56px;
}
.card-sol {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 24px;
  align-items: start;
  background: var(--white);
  border: 1.5px solid var(--ink);
  border-radius: 8px;
  padding: 28px;
  position: relative;
}
.card-sol .tag-flag {
  position: absolute;
  top: -12px;
  left: 24px;
  padding: 4px 12px;
  background: var(--red);
  color: var(--white);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.15em;
  font-weight: 700;
  border-radius: 2px;
}
.card-sol .tag {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--slate);
  letter-spacing: 0.15em;
  margin-bottom: 10px;
  text-transform: uppercase;
}
.card-sol h3 {
  font-family: var(--font-head);
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -0.02em;
}
.card-sol .desc { font-size: 14px; line-height: 1.6; color: var(--slate); margin-top: 12px; }
.card-sol ul { list-style: none; margin-top: 16px; }
.card-sol li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: var(--ink);
  margin-bottom: 6px;
}
.card-sol li svg { flex-shrink: 0; }
.card-sol .site-link {
  margin-top: 18px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--red);
  letter-spacing: 0.1em;
  font-weight: 700;
  text-decoration: none;
}
.card-sol .site-link:hover { color: var(--red-dark); }
.card-sol-media {
  border-radius: 4px;
  overflow: hidden;
  background: var(--paper);
  border: 1px dashed rgba(82, 82, 82, 0.4);
  aspect-ratio: 4 / 3;
}
.card-sol-media img { width: 100%; height: 100%; object-fit: cover; }
.card-sol-media .badge {
  position: absolute;
  bottom: 8px;
  right: 8px;
  padding: 3px 8px;
  background: var(--white);
  border: 1px solid var(--ink);
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.1em;
  color: var(--ink);
}

/* ---------- Case cercas ---------- */

.cercas { background: var(--white); }
.grid-cercas {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 64px;
  align-items: center;
}
.h2-cercas { font-size: 48px; }
.cercas-stats {
  margin-top: 28px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}
.cercas-stats > div { padding: 14px 16px; background: var(--paper); border-left: 3px solid var(--red); }
.cercas-stats .n { font-family: var(--font-head); font-size: 24px; font-weight: 800; color: var(--ink); }
.cercas-stats .l { font-size: 12px; color: var(--slate); margin-top: 2px; }
.mapa-card {
  padding: 18px;
  background: var(--paper);
  border: 1.5px solid var(--ink);
  border-radius: 8px;
}
.mapa-card img { width: 100%; height: auto; border-radius: 4px; }
.mapa-foot {
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--slate);
  letter-spacing: 0.1em;
  display: flex;
  justify-content: space-between;
}

/* ---------- Setores ---------- */

.setores { background: var(--paper); }
.grid-setores {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 56px;
}
.setor-card {
  background: var(--white);
  border: 1.5px solid var(--ink);
  border-radius: 6px;
  padding: 28px;
  display: flex;
  flex-direction: column;
}
.setor-num {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
  font-family: var(--font-mono);
  font-size: 22px;
  color: var(--red);
  font-weight: 700;
  letter-spacing: -0.03em;
}
.setor-num::after { content: ""; flex: 1; height: 1px; background: rgba(26, 26, 26, 0.13); }
.setor-icon {
  width: 100%;
  aspect-ratio: 80 / 56;
  background: var(--paper);
  border: 1px dashed rgba(82, 82, 82, 0.35);
  border-radius: 4px;
  padding: 20px;
}
.setor-card h3 {
  font-family: var(--font-head);
  font-size: 22px;
  font-weight: 700;
  margin-top: 20px;
  letter-spacing: -0.02em;
}
.setor-card p { font-size: 14px; color: var(--slate); margin-top: 10px; line-height: 1.55; flex: 1; }

/* SegBarco */
.segbarco {
  grid-column: span 3;
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  background: var(--ink);
  color: var(--white);
  border-radius: 6px;
  overflow: hidden;
  border: 1.5px solid var(--ink);
}
.segbarco-visual {
  background: linear-gradient(135deg, var(--ink) 0%, #2a2a2a 100%);
  padding: 40px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 280px;
}
.segbarco-visual .waves { position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0.15; }
.segbarco-visual .boat { width: 70%; max-width: 280px; position: relative; }
.segbarco-flag {
  position: absolute;
  top: 16px;
  left: 16px;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--red);
  letter-spacing: 0.18em;
  font-weight: 700;
}
.segbarco-body { padding: 40px 44px; display: flex; flex-direction: column; justify-content: center; }
.segbarco-kicker {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--red);
  letter-spacing: 0.18em;
  margin-bottom: 14px;
  font-weight: 700;
}
.segbarco h3 {
  font-family: var(--font-head);
  font-size: 40px;
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.05;
}
.segbarco-body > p { font-size: 16px; color: #a3a3a3; margin-top: 16px; line-height: 1.6; max-width: 520px; }
.segbarco-bullets { display: flex; gap: 24px; margin-top: 22px; flex-wrap: wrap; }
.segbarco-bullets span { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; }
.btn-red {
  margin-top: 28px;
  align-self: flex-start;
  padding: 14px 22px;
  background: var(--red);
  color: var(--white);
  border-radius: 4px;
  text-decoration: none;
  font-weight: 700;
  font-size: 14px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.btn-red:hover { background: var(--red-dark); }

/* ---------- Como funciona ---------- */

.como { background: var(--ink); color: var(--white); }
.como .h2 { color: var(--white); max-width: 820px; }
.grid-como {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 64px;
}
.como-step { position: relative; padding: 24px 0; border-top: 2px solid var(--red); }
.como-step .num {
  position: absolute;
  top: -12px;
  left: 0;
  padding: 2px 10px;
  background: var(--red);
  color: var(--white);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
}
.como-step h3 {
  font-family: var(--font-head);
  font-size: 22px;
  font-weight: 700;
  margin-top: 8px;
  letter-spacing: -0.02em;
}
.como-step p { font-size: 14px; color: #a3a3a3; margin-top: 12px; line-height: 1.6; }

/* ---------- Plataforma ---------- */

.plataforma { background: var(--paper); }
.grid-plat {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 80px;
  align-items: center;
}
.plat-stack { margin-top: 36px; border: 1.5px solid var(--ink); border-radius: 4px; }
.plat-row {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 20px;
  padding: 18px 22px;
  border-bottom: 1px solid rgba(26, 26, 26, 0.13);
}
.plat-row:last-child { border-bottom: none; }
.plat-row:nth-child(odd) { background: var(--white); }
.plat-row:nth-child(even) { background: var(--paper-2); }
.plat-row .k {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--red);
  letter-spacing: 0.15em;
  font-weight: 700;
}
.plat-row .t { font-family: var(--font-head); font-size: 16px; font-weight: 700; color: var(--ink); }
.plat-row .d { font-size: 13px; color: var(--slate); margin-top: 4px; }
.arch-card {
  padding: 24px;
  background: var(--white);
  border: 1.5px solid var(--ink);
  border-radius: 8px;
}

/* ---------- Empresa / História ---------- */

.empresa { background: var(--white); }
.grid-empresa {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 64px;
  align-items: start;
  margin-top: 56px;
}
.timeline { list-style: none; border-left: 2px solid rgba(26, 26, 26, 0.15); padding-left: 28px; }
.timeline li { position: relative; padding-bottom: 28px; }
.timeline li:last-child { padding-bottom: 0; }
.timeline li::before {
  content: "";
  position: absolute;
  left: calc(-28px - 6px);
  top: 6px;
  width: 10px;
  height: 10px;
  background: var(--red);
  box-shadow: 0 0 0 3px var(--white), 0 0 0 4.5px rgba(225, 29, 38, 0.35);
}
.timeline .year {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--red);
  letter-spacing: 0.1em;
  display: block;
}
.timeline h3 {
  font-family: var(--font-head);
  font-size: 19px;
  font-weight: 700;
  margin-top: 4px;
  letter-spacing: -0.02em;
}
.timeline p { font-size: 14px; color: var(--slate); margin-top: 6px; line-height: 1.6; max-width: 560px; }

.diretor-card {
  padding: 28px;
  background: var(--paper);
  border: 1.5px solid var(--ink);
  border-radius: 8px;
}
.diretor-head { display: flex; align-items: center; gap: 18px; margin-top: 18px; }
.diretor-head img {
  width: 84px;
  height: 84px;
  border-radius: 4px;
  object-fit: cover;
  border: 1.5px solid var(--ink);
}
.diretor-head .nome { font-family: var(--font-head); font-size: 19px; font-weight: 700; letter-spacing: -0.02em; }
.diretor-head .cargo {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--red);
  letter-spacing: 0.18em;
  font-weight: 700;
  margin-top: 4px;
}
.diretor-card .bio { font-size: 14px; color: var(--slate); line-height: 1.6; margin-top: 18px; }
.diretor-card .mail {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink);
  letter-spacing: 0.05em;
  text-decoration: none;
  border-bottom: 1.5px solid var(--red);
  padding-bottom: 2px;
}
.diretor-card .mail:hover { color: var(--red); }

/* ---------- Parceiros ---------- */

.parceiros { background: var(--paper); padding-top: 64px; padding-bottom: 64px; }
.parceiros-head {
  display: flex;
  align-items: center;
  gap: 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--slate);
  letter-spacing: 0.18em;
  font-weight: 700;
}
.parceiros-head::after { content: ""; flex: 1; height: 1px; background: rgba(26, 26, 26, 0.15); }
.grid-parceiros {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-top: 28px;
}
.parceiro {
  background: var(--white);
  border: 1px dashed rgba(82, 82, 82, 0.4);
  border-radius: 4px;
  display: grid;
  place-items: center;
  padding: 22px;
  min-height: 110px;
}
.parceiro img { max-height: 64px; width: auto; object-fit: contain; }

/* ---------- FAQ ---------- */

.faq { background: var(--paper-2); }
.faq-wrap { max-width: 960px; margin: 0 auto; }
.faq-list { margin-top: 48px; border: 1.5px solid var(--ink); border-radius: 4px; background: var(--white); }
.faq-item { border-bottom: 1px solid rgba(26, 26, 26, 0.13); }
.faq-item:last-child { border-bottom: none; }
.faq-item summary {
  list-style: none;
  padding: 22px 24px;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 600;
  color: var(--ink);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary .q { display: flex; gap: 16px; }
.faq-item summary .idx {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--red);
  letter-spacing: 0.1em;
  flex-shrink: 0;
  padding-top: 3px;
}
.faq-item summary .plus {
  color: var(--red);
  font-size: 22px;
  line-height: 1;
  transition: transform 0.2s;
  flex-shrink: 0;
}
.faq-item[open] summary .plus { transform: rotate(45deg); }
.faq-item .a {
  padding: 0 24px 22px 56px;
  font-size: 15px;
  color: var(--slate);
  line-height: 1.65;
}

/* ---------- Contato ---------- */

.contato { background: var(--ink); position: relative; overflow: hidden; }
.contato-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(225, 29, 38, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(225, 29, 38, 0.07) 1px, transparent 1px);
  background-size: 32px 32px;
}
.grid-contato {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 80px;
  align-items: center;
  max-width: 1180px;
  margin: 0 auto;
  position: relative;
}
.contato-badge {
  display: inline-block;
  padding: 6px 12px;
  background: var(--red);
  color: var(--white);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.15em;
  font-weight: 700;
  margin-bottom: 32px;
}
.h2-contato {
  font-family: var(--font-head);
  font-size: 64px;
  font-weight: 800;
  color: var(--white);
  line-height: 1;
  letter-spacing: -0.035em;
}
.h2-contato .accent { color: var(--red); }
.contato-sub { font-size: 17px; color: #a3a3a3; margin-top: 28px; max-width: 440px; line-height: 1.55; }
.contato-canais { margin-top: 40px; border: 1px solid rgba(255, 255, 255, 0.13); border-radius: 4px; }
.contato-row {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 16px;
  padding: 14px 18px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
}
.contato-row:last-child { border-bottom: none; }
.contato-row .k {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--red);
  letter-spacing: 0.15em;
  font-weight: 700;
  align-self: center;
}
.contato-row .v a, .contato-row .v {
  font-family: var(--font-head);
  font-size: 15px;
  color: var(--white);
  font-weight: 500;
  text-decoration: none;
}
.contato-row .v a:hover { color: var(--red); }

/* Formulário */
.form-card {
  padding: 36px;
  background: var(--white);
  border-radius: 8px;
  border: 1.5px solid var(--red);
}
.form-strip {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--slate);
  letter-spacing: 0.15em;
  margin-bottom: 24px;
  padding-bottom: 14px;
  border-bottom: 1px dashed rgba(82, 82, 82, 0.4);
  display: flex;
  justify-content: space-between;
}
.field { margin-bottom: 14px; }
.field label {
  display: block;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--slate);
  letter-spacing: 0.15em;
  margin-bottom: 6px;
  font-weight: 700;
  text-transform: uppercase;
}
.field input, .field textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid rgba(82, 82, 82, 0.4);
  border-radius: 3px;
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--ink);
  background: var(--white);
}
.field textarea { resize: vertical; }
.field input:focus, .field textarea:focus { outline: 2px solid rgba(225, 29, 38, 0.5); border-color: var(--red); }
.form-row-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.setor-chips { display: grid; grid-template-columns: repeat(5, 1fr); gap: 6px; }
.setor-chips button {
  padding: 10px 6px;
  border: 1px solid rgba(82, 82, 82, 0.27);
  background: var(--white);
  color: var(--slate);
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  border-radius: 3px;
}
.setor-chips button[aria-pressed="true"] {
  border: 1.5px solid var(--red);
  background: rgba(225, 29, 38, 0.07);
  color: var(--red);
}
.btn-whatsapp {
  width: 100%;
  padding: 16px;
  background: var(--whatsapp);
  color: var(--white);
  border: none;
  border-radius: 4px;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  margin-top: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}
.btn-whatsapp:hover { background: #1eb257; }

/* ---------- Rodapé ---------- */

.footer {
  padding: 48px 20px 32px;
  background: var(--paper);
  border-top: 1.5px solid var(--ink);
}
.grid-footer {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 32px;
}
.footer-logo img { height: 36px; width: auto; }
.footer-desc { font-size: 13px; color: var(--slate); line-height: 1.6; max-width: 320px; margin-top: 16px; }
.footer-col .t {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--red);
  letter-spacing: 0.18em;
  margin-bottom: 14px;
  font-weight: 700;
}
.footer-col ul { list-style: none; }
.footer-col li { font-size: 13px; color: var(--ink); margin-bottom: 8px; }
.footer-col a { color: var(--ink); text-decoration: none; }
.footer-col a:hover { color: var(--red); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  padding-top: 20px;
  border-top: 1px solid rgba(26, 26, 26, 0.13);
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--slate);
  letter-spacing: 0.1em;
}

/* ---------- Responsivo ---------- */

@media (max-width: 900px) {
  .iot-section { padding: 64px 20px; }
  .hero { padding: 48px 20px; }
  .hero-grid, .grid-cercas, .grid-plat, .grid-contato, .grid-empresa { grid-template-columns: 1fr; gap: 40px; }
  .grid-solucoes { grid-template-columns: 1fr; }
  .card-sol { grid-template-columns: 1fr; gap: 18px; }
  .grid-setores { grid-template-columns: 1fr; }
  .segbarco { grid-column: span 1; grid-template-columns: 1fr; }
  .grid-como { grid-template-columns: repeat(2, 1fr); gap: 28px; }
  .grid-footer { grid-template-columns: 1fr 1fr; gap: 28px; }
  .grid-parceiros { grid-template-columns: repeat(2, 1fr); }
  .nav-links { display: none; }
  .nav-cta-mobile { display: inline-flex; }
  .hero h1 { font-size: 48px; line-height: 1; }
  .h2 { font-size: 34px; }
  .h2-cercas { font-size: 30px; }
  .h2-contato { font-size: 40px; }
  .segbarco h3 { font-size: 26px; }
  .doc-strip { font-size: 10px; }
  .doc-strip > span:nth-child(2) { display: none; }
  .setor-chips { grid-template-columns: repeat(2, 1fr); }
  .contato-row { grid-template-columns: 100px 1fr; gap: 10px; }
  .form-row-2 { grid-template-columns: 1fr; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .hero-arrow { display: none; }
  .segbarco-visual { padding: 28px; }
  .segbarco-body { padding: 28px; }
  .form-card { padding: 24px; }
}

@media (max-width: 480px) {
  .iot-section { padding: 48px 16px; }
  .hero h1 { font-size: 38px; }
  .h2 { font-size: 28px; }
  .h2-cercas { font-size: 26px; }
  .h2-contato { font-size: 34px; }
  .grid-footer { grid-template-columns: 1fr; }
  .grid-como { grid-template-columns: 1fr; }
  .grid-parceiros { grid-template-columns: repeat(2, 1fr); }
}