/* ============================================================
   ENGELMAK — Engenharia e Automação
   Paleta e tipografia conforme identidade/design-guide.md
   ============================================================ */

:root {
  --teal:        #1B6268;
  --teal-dark:   #124A50;
  --petroleo:    #052B2E;
  --petroleo-2:  #08383C;
  --dourado:     #F1B217;
  --dourado-esc: #D89B08;
  --claro:       #F7F7F7;
  --branco:      #FFFFFF;
  --grafite:     #26312F;
  --cinza:       #6A7370;
  --linha:       #E2E4E3;
  --linha-dark:  rgba(255, 255, 255, .14);

  --wrap: 1180px;
  --corte: 14px;                     /* corte angular — assinatura da logo */
  --sombra: 0 1px 2px rgba(5,43,46,.05), 0 8px 24px rgba(5,43,46,.07);
  --transicao: .18s ease;
}

/* ---------- reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--branco);
  color: var(--grafite);
  font-family: "Montserrat", "Segoe UI", system-ui, -apple-system, sans-serif;
  font-weight: 400;
  font-size: 1rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
h1, h2, h3 { margin: 0; line-height: 1.12; letter-spacing: -.01em; }
p { margin: 0 0 1.1em; }
ul, ol, dl, dd { margin: 0; padding: 0; }
li { list-style: none; }

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

.skip {
  position: absolute; left: -9999px; top: 0; z-index: 999;
  background: var(--dourado); color: var(--petroleo);
  padding: .75rem 1.25rem; font-weight: 700;
}
.skip:focus { left: 0; }

:focus-visible { outline: 3px solid var(--dourado); outline-offset: 3px; }

.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 5vw, 2.5rem);
}

/* ---------- tipografia de apoio ---------- */
h1 {
  font-weight: 800;
  text-transform: uppercase;
  font-size: clamp(2.1rem, 6.2vw, 4rem);
  letter-spacing: -.02em;
}
h2 {
  font-weight: 800;
  text-transform: uppercase;
  font-size: clamp(1.6rem, 3.6vw, 2.5rem);
  color: var(--teal);
}
h3 {
  font-weight: 700;
  font-size: 1.075rem;
  text-transform: uppercase;
  letter-spacing: .04em;
  color: var(--teal);
}

.kicker {
  display: inline-block;
  margin: 0 0 .9rem;
  font-size: .74rem;
  font-weight: 600;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--cinza);
  padding-left: 2.6rem;
  position: relative;
}
.kicker::before {
  content: "";
  position: absolute; left: 0; top: .55em;
  width: 1.9rem; height: 3px;
  background: var(--dourado);
}
.kicker-gold { color: var(--dourado); }

.eyebrow {
  margin: 0 0 1.25rem;
  font-size: .74rem;
  font-weight: 500;
  letter-spacing: .26em;
  text-transform: uppercase;
  color: rgba(255,255,255,.72);
}

.body-lg { font-size: 1.09rem; color: var(--grafite); }
.lede    { font-size: clamp(1rem, 1.9vw, 1.18rem); font-weight: 300; }

/* ---------- botões ---------- */
.btn {
  --c: var(--corte);
  display: inline-block;
  padding: .95rem 1.9rem;
  font-size: .82rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  text-decoration: none;
  border: 0;
  cursor: pointer;
  transition: background var(--transicao), color var(--transicao), transform var(--transicao);
  clip-path: polygon(
    0 0, calc(100% - var(--c)) 0, 100% var(--c),
    100% 100%, var(--c) 100%, 0 calc(100% - var(--c))
  );
}
.btn:hover { transform: translateY(-2px); }
.btn-sm { padding: .68rem 1.25rem; font-size: .72rem; --c: 10px; }

.btn-gold  { background: var(--dourado); color: var(--petroleo); }
.btn-gold:hover { background: var(--dourado-esc); }

.btn-ghost {
  background: transparent; color: var(--branco);
  box-shadow: inset 0 0 0 2px rgba(255,255,255,.42);
}
.btn-ghost:hover { background: rgba(255,255,255,.1); }

.cta-row { display: flex; flex-wrap: wrap; gap: .85rem; margin-top: 1.9rem; }

/* ============================================================
   HEADER
   ============================================================ */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: var(--branco);
  border-bottom: 1px solid var(--linha);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1.5rem;
  min-height: 78px;
}
.brand { display: block; flex-shrink: 0; }
.brand img { width: clamp(160px, 22vw, 210px); height: auto; }

.nav { display: flex; align-items: center; gap: clamp(1rem, 2.4vw, 2rem); }
.nav a {
  font-size: .78rem; font-weight: 600;
  letter-spacing: .12em; text-transform: uppercase;
  text-decoration: none; color: var(--grafite);
  transition: color var(--transicao);
}
.nav a:hover { color: var(--teal); }
.nav .btn:hover { color: var(--petroleo); }

.menu-toggle {
  display: none;
  width: 44px; height: 44px;
  background: none; border: 0; cursor: pointer;
  padding: 11px 9px;
}
.menu-toggle span {
  display: block; height: 2px; background: var(--teal);
  margin: 4px 0; transition: var(--transicao);
}

@media (max-width: 880px) {
  .menu-toggle { display: block; }
  .nav {
    position: absolute; left: 0; right: 0; top: 100%;
    flex-direction: column; align-items: stretch;
    gap: 0;
    background: var(--branco);
    border-bottom: 1px solid var(--linha);
    box-shadow: var(--sombra);
    padding: .5rem clamp(1.25rem, 5vw, 2.5rem) 1.5rem;
    display: none;
  }
  body.nav-open .nav { display: flex; }
  .nav a { padding: .95rem 0; border-bottom: 1px solid var(--linha); }
  .nav .btn { margin-top: 1rem; text-align: center; border-bottom: 0; }
  body.nav-open .menu-toggle span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
  body.nav-open .menu-toggle span:nth-child(2) { opacity: 0; }
  body.nav-open .menu-toggle span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }
}

/* ============================================================
   HERO
   ============================================================ */
.hero { position: relative; background: var(--petroleo); color: var(--branco); overflow: hidden; }
.hero-bg {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  opacity: .3;
}
.hero::after {
  content: "";
  position: absolute; inset: 0;
  background:
    linear-gradient(105deg, var(--petroleo) 28%, rgba(5,43,46,.82) 58%, rgba(5,43,46,.55) 100%);
}
.hero-inner {
  position: relative; z-index: 2;
  padding-block: clamp(4.5rem, 12vw, 8.5rem) clamp(4rem, 9vw, 6.5rem);
  max-width: 900px;
}
/* texto + selo de 5 anos lado a lado; no celular o selo sobe pro topo */
.hero-inner {
  max-width: var(--wrap);
  display: grid;
  grid-template-columns: minmax(0, 900px) auto;
  align-items: center;
  gap: clamp(2rem, 5vw, 4rem);
}
.selo { display: block; justify-self: end; }
.selo img {
  display: block;
  width: clamp(170px, 18vw, 250px); height: auto;
  filter: drop-shadow(0 10px 24px rgba(0,0,0,.45));
}
@media (max-width: 880px) {
  .hero-inner { grid-template-columns: 1fr; gap: 1.25rem; }
  .selo { order: -1; justify-self: start; }
  .selo img { width: 104px; }
}

.hero h1 { color: var(--branco); }
.hero .hl { color: var(--dourado); }
.hero .lede { max-width: 58ch; margin-top: 1.6rem; color: rgba(255,255,255,.86); }

.trustbar {
  position: relative; z-index: 2;
  background: var(--teal);
  border-top: 3px solid var(--dourado);
}
.trustbar-inner {
  display: flex; flex-wrap: wrap;
  gap: .6rem clamp(1.5rem, 4vw, 3.25rem);
  padding-block: 1.1rem;
}
.trustbar span {
  font-size: .74rem; font-weight: 600;
  letter-spacing: .14em; text-transform: uppercase;
  color: rgba(255,255,255,.94);
  position: relative; padding-left: 1.3rem;
}
.trustbar span::before {
  content: ""; position: absolute; left: 0; top: .42em;
  width: 7px; height: 7px; background: var(--dourado);
}

/* ============================================================
   SEÇÕES
   ============================================================ */
.section { padding-block: clamp(3.75rem, 8vw, 6.5rem); }
.section-alt  { background: var(--claro); }
.section-dark { background: var(--petroleo); color: rgba(255,255,255,.8); }
.section-dark h2 { color: var(--branco); }
.section-dark h3 { color: var(--branco); }
.section-dark .body-lg { color: rgba(255,255,255,.82); }

.section-head { max-width: 62ch; margin-bottom: clamp(2.25rem, 5vw, 3.5rem); }
.section-head h2 { margin-bottom: 1.1rem; }

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2.25rem, 5vw, 4.5rem);
  align-items: start;
}
@media (max-width: 880px) { .grid-2 { grid-template-columns: 1fr; } }

/* ---------- corte angular: assinatura da logo ----------
   Recorta o canto superior direito e o inferior esquerdo, repetindo
   o corte diagonal das letras. O ::before pinta uma cunha dourada
   rente ao corte — o mesmo detalhe do "E" da marca. */
.cut {
  position: relative;
  --cut: 22px;
  clip-path: polygon(
    0 0, calc(100% - var(--cut)) 0, 100% var(--cut),
    100% 100%, var(--cut) 100%, 0 calc(100% - var(--cut))
  );
}
.cut--gold::before {
  content: "";
  position: absolute; top: 0; right: 0;
  width: calc(var(--cut) + 9px); height: calc(var(--cut) + 9px);
  background: var(--dourado);
  clip-path: polygon(100% 0, 100% 100%, 0 0);
}

/* ---------- pilares ---------- */
.pillars { display: grid; gap: 1.25rem; }
.pillar {
  background: var(--claro);
  padding: 1.75rem 1.9rem;
}
.pillar svg {
  width: 30px; height: 30px;
  margin-bottom: .9rem;
  fill: none; stroke: var(--teal); stroke-width: 1.6;
  stroke-linecap: round; stroke-linejoin: round;
}
.pillar h3 { margin-bottom: .55rem; }
.pillar p { margin: 0; font-size: .95rem; color: var(--cinza); }

/* ---------- passos NR12 ---------- */
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(1.25rem, 2.5vw, 2rem);
  counter-reset: passo;
}
.steps li {
  padding-top: 1.6rem;
  border-top: 2px solid var(--linha-dark);
}
.step-n {
  display: block;
  font-size: 2.1rem; font-weight: 800;
  line-height: 1; color: var(--dourado);
  margin-bottom: .85rem;
}
.steps h3 { margin-bottom: .6rem; }
.steps p { margin: 0; font-size: .93rem; color: rgba(255,255,255,.68); }

/* variante em fundo claro (projetos elétricos) */
.steps-light { margin-top: clamp(2.5rem, 5vw, 3.5rem); }
.steps-light li { border-top-color: var(--linha); }
.steps-light .step-n { color: var(--teal); }
.steps-light p { color: var(--cinza); }

@media (max-width: 980px) { .steps { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .steps { grid-template-columns: 1fr; } }

/* ---------- cards de serviço ---------- */
.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(1.25rem, 2.5vw, 1.9rem);
}
@media (max-width: 980px) { .cards { grid-template-columns: 1fr; } }

.card {
  background: var(--claro);
  padding: 2rem 1.85rem;
  transition: background var(--transicao);
}
.card:hover { background: #EFF1F0; }
.card h3 { margin-bottom: .85rem; }
.card > p { font-size: .96rem; color: var(--cinza); }

.ticks { margin-top: 1.35rem; border-top: 1px solid var(--linha); padding-top: 1.15rem; }
.ticks li {
  position: relative;
  padding-left: 1.65rem;
  margin-bottom: .6rem;
  font-size: .89rem;
  font-weight: 500;
}
.ticks li:last-child { margin-bottom: 0; }
.ticks li::before {
  content: "";
  position: absolute; left: 0; top: .34em;
  width: 9px; height: 5px;
  border-left: 2.5px solid var(--dourado);
  border-bottom: 2.5px solid var(--dourado);
  transform: rotate(-45deg);
}

/* ---------- bloco com foto ---------- */
.grid-2-media { align-items: center; }
.media { margin: 0; }
.media img { width: 100%; }
.media.cut { --cut: 34px; }
@media (max-width: 880px) { .media { order: 2; } }

.deflist { margin-top: 1.9rem; display: grid; gap: 1.35rem; }
.deflist dt {
  font-weight: 700; font-size: .84rem;
  letter-spacing: .1em; text-transform: uppercase;
  color: var(--teal);
  margin-bottom: .3rem;
  position: relative; padding-left: 1.1rem;
}
.deflist dt::before {
  content: ""; position: absolute; left: 0; top: .42em;
  width: 5px; height: 5px; background: var(--dourado);
}
.deflist dd { margin: 0; padding-left: 1.1rem; font-size: .95rem; color: var(--cinza); }

/* ---------- contato ---------- */
.grid-contato { align-items: center; }
.contato-list {
  background: var(--petroleo-2);
  padding: 2.35rem 2.1rem;
}
.contato-list li { padding-block: 1.35rem; }
.contato-list li:first-child { padding-top: 0; }
.contato-list li:last-child  { padding-bottom: 0; }
.contato-list li + li { border-top: 1px solid var(--linha-dark); }
.contato-list .lbl {
  display: block;
  font-size: .7rem; font-weight: 600;
  letter-spacing: .2em; text-transform: uppercase;
  color: var(--dourado);
  margin-bottom: .3rem;
}
.contato-list a, .contato-list li > span:not(.lbl) {
  font-size: 1.06rem; font-weight: 500; color: var(--branco);
  text-decoration: none;
}
.contato-list a:hover { color: var(--dourado); text-decoration: underline; }

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background: var(--petroleo);
  border-top: 3px solid var(--dourado);
  color: rgba(255,255,255,.62);
  padding-block: clamp(2.75rem, 6vw, 4rem);
  text-align: center;
}
.footer-logo { width: 190px; margin: 0 auto 1.65rem; }
.footer-meta { font-size: .93rem; margin-bottom: 1.4rem; }
.footer-meta a { color: var(--branco); text-decoration: none; }
.footer-meta a:hover { color: var(--dourado); }
.footer-legal {
  margin: 0;
  font-size: .76rem;
  letter-spacing: .06em;
  color: rgba(255,255,255,.42);
}