/*
Theme Name: EGM Engenharia
Theme URI: https://egmengenharia.com.br
Author: EGM Engenharia
Author URI: https://egmengenharia.com.br
Description: Tema institucional de página única para a EGM Engenharia — manutenção industrial, gestão técnica e montagem de caldeiras, reatores e vasos de pressão. Layout no estilo de desenho técnico, com destaque para soldagem qualificada e conformidade normativa (NR-13, ASME IX, AWS D1.1).
Version: 1.0.0
Requires at least: 6.0
Requires PHP: 7.4
Text Domain: egm-engenharia
Tags: one-column, custom-menu, custom-colors, featured-images, threaded-comments, translation-ready
*/

/* ============================================================
   0. DESIGN TOKENS
   ============================================================ */
:root{
  /* colors */
  --ink:        #10151B;   /* base background — graphite */
  --ink-2:      #0B0F14;   /* deepest background */
  --plate:      #1B242D;   /* panel / card background — steel plate */
  --plate-2:    #212C36;   /* raised panel */
  --line:       #2C3944;   /* hairline / blueprint ruling */
  --line-soft:  #232E38;
  --paper:      #ECEEE7;   /* primary text — drafting paper */
  --paper-dim:  #C7CCC4;
  --steel:      #8E99A3;   /* secondary / muted text */
  --steel-dim:  #626E77;
  --blueprint:  #59AAC9;   /* technical cyan accent */
  --blueprint-dim: #3C7C93;
  --amber:      #E2A63B;   /* compliance / certification accent */
  --amber-dim:  #9C7126;

  /* type */
  --f-display: "Oswald", "Arial Narrow", sans-serif;
  --f-body: "IBM Plex Sans", "Segoe UI", sans-serif;
  --f-mono: "IBM Plex Mono", "Courier New", monospace;

  /* layout */
  --maxw: 1180px;
  --gutter: clamp(20px, 5vw, 64px);
  --radius: 2px;
}

/* ============================================================
   1. RESET
   ============================================================ */
*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin:0;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--f-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img{ max-width:100%; display:block; }
a{ color: inherit; text-decoration:none; }
ul{ margin:0; padding:0; list-style:none; }
h1,h2,h3,h4{ margin:0; font-family: var(--f-display); font-weight:600; letter-spacing:.01em; }
p{ margin:0; }
button{ font-family:inherit; cursor:pointer; }
:focus-visible{ outline: 2px solid var(--blueprint); outline-offset: 3px; }

@media (prefers-reduced-motion: reduce){
  *{ animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; scroll-behavior:auto !important; }
}

/* ============================================================
   2. UTILITIES
   ============================================================ */
.wrap{
  max-width: var(--maxw);
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}
.eyebrow{
  font-family: var(--f-mono);
  font-size: .78rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--blueprint);
  display:flex;
  align-items:center;
  gap:.65em;
}
.eyebrow::before{
  content:"";
  width: 22px;
  height: 1px;
  background: var(--blueprint);
  display:inline-block;
}
.section{ padding: clamp(64px, 9vw, 128px) 0; position:relative; }
.section-head{
  max-width: 620px;
  margin-bottom: clamp(36px, 6vw, 64px);
}
.section-head h2{
  font-size: clamp(1.8rem, 3.4vw, 2.6rem);
  color: var(--paper);
  margin-top: .5em;
  line-height:1.15;
}
.section-head p{
  color: var(--steel);
  margin-top: 1em;
  font-size: 1.03rem;
  max-width: 52ch;
}
.btn{
  display:inline-flex;
  align-items:center;
  gap:.6em;
  font-family: var(--f-mono);
  font-size: .85rem;
  letter-spacing:.06em;
  text-transform:uppercase;
  padding: .95em 1.6em;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: border-color .2s ease, background .2s ease, color .2s ease, transform .15s ease;
  white-space: nowrap;
}
.btn-primary{
  background: var(--amber);
  border-color: var(--amber);
  color: var(--ink-2);
  font-weight:600;
}
.btn-primary:hover{ background:#F0B858; border-color:#F0B858; transform: translateY(-1px); }
.btn-ghost{
  color: var(--paper);
  border-color: var(--line);
}
.btn-ghost:hover{ border-color: var(--blueprint); color: var(--blueprint); }
.btn-ghost svg{ transition: transform .2s ease; }
.btn-ghost:hover svg{ transform: translateX(3px); }

/* dimension-line divider motif (reused signature device) */
.dim-rule{
  display:flex;
  align-items:center;
  gap:10px;
  color: var(--steel-dim);
  font-family: var(--f-mono);
  font-size: .72rem;
  letter-spacing:.14em;
  margin: 0 0 10px;
}
.dim-rule::before, .dim-rule::after{
  content:"";
  flex:1;
  height:1px;
  background: repeating-linear-gradient(90deg, var(--line) 0 6px, transparent 6px 10px);
}

.tag-code{
  font-family: var(--f-mono);
  font-size: .74rem;
  color: var(--blueprint);
  letter-spacing:.06em;
}

/* reveal-on-scroll */
.reveal{ opacity:0; transform: translateY(18px); transition: opacity .7s ease, transform .7s ease; }
.reveal.is-visible{ opacity:1; transform:none; }

/* blueprint grid backdrop */
.grid-bg{
  position:absolute; inset:0;
  background-image:
    linear-gradient(var(--line-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-soft) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: radial-gradient(ellipse 80% 70% at 60% 20%, black 40%, transparent 90%);
  opacity:.55;
  pointer-events:none;
}

/* ============================================================
   3. HEADER
   ============================================================ */
.site-header{
  position: fixed;
  top:0; left:0; right:0;
  z-index: 100;
  background: rgba(16,21,27,.88);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line-soft);
}
.site-header .wrap{
  display:flex;
  align-items:center;
  justify-content:space-between;
  height: 76px;
}
.brand{
  display:flex;
  align-items:center;
  gap:.6em;
  font-family: var(--f-display);
  font-size: 1.18rem;
  letter-spacing:.02em;
  color: var(--paper);
}
.brand mark{
  background:none;
  color: var(--amber);
}
.brand-mono{
  font-family: var(--f-mono);
  font-size:.66rem;
  color: var(--steel-dim);
  letter-spacing:.14em;
  margin-left:.3em;
  padding-left:.7em;
  border-left: 1px solid var(--line);
}
.main-nav{ display:flex; align-items:center; gap: clamp(18px,2.4vw,38px); }
.main-nav ul{ display:flex; gap: clamp(16px,2.2vw,32px); }
.main-nav a{
  font-family: var(--f-mono);
  font-size: .82rem;
  letter-spacing:.05em;
  color: var(--steel);
  transition: color .2s ease;
}
.main-nav a:hover{ color: var(--blueprint); }
.nav-toggle{
  display:none;
  background:none;
  border: 1px solid var(--line);
  width: 42px; height:42px;
  align-items:center;
  justify-content:center;
  color: var(--paper);
}
@media (max-width: 880px){
  .main-nav ul{
    position:fixed;
    top:76px; left:0; right:0;
    flex-direction:column;
    background: var(--ink);
    border-bottom: 1px solid var(--line);
    padding: 22px var(--gutter) 30px;
    gap: 18px;
    transform: translateY(-8px);
    opacity:0;
    pointer-events:none;
    transition: opacity .2s ease, transform .2s ease;
  }
  .main-nav.is-open ul{ opacity:1; transform:none; pointer-events:auto; }
  .main-nav .btn{ display:none; }
  .main-nav.is-open .btn{ display:inline-flex; margin-top:4px; }
  .nav-toggle{ display:flex; }
}

/* ============================================================
   4. HERO
   ============================================================ */
.hero{
  position: relative;
  padding: 168px 0 96px;
  overflow:hidden;
  border-bottom: 1px solid var(--line-soft);
}
.hero .wrap{
  display:grid;
  grid-template-columns: 1.05fr .95fr;
  gap: clamp(30px, 5vw, 70px);
  align-items:center;
  position:relative;
  z-index:2;
}
.hero h1{
  font-size: clamp(2.4rem, 4.6vw, 3.85rem);
  line-height: 1.08;
  color: var(--paper);
  margin-top: .5em;
}
.hero h1 em{
  font-style:normal;
  color: var(--blueprint);
}
.hero .lede{
  margin-top: 1.4em;
  font-size: 1.1rem;
  color: var(--steel);
  max-width: 46ch;
}
.hero-cta{
  display:flex;
  gap: 14px;
  margin-top: 2.2em;
  flex-wrap:wrap;
}
.hero-specs{
  margin-top: 3rem;
  display:flex;
  flex-wrap:wrap;
  gap: 10px 26px;
}
.hero-specs span{
  font-family: var(--f-mono);
  font-size: .74rem;
  letter-spacing:.08em;
  color: var(--steel-dim);
  display:flex;
  align-items:center;
  gap:.5em;
}
.hero-specs span::before{
  content:"";
  width:5px; height:5px;
  background: var(--amber);
}
.hero-art{ position:relative; }
.hero-art svg{ width:100%; height:auto; }

/* ============================================================
   5. STATS STRIP
   ============================================================ */
.stats{
  border-bottom: 1px solid var(--line-soft);
  background: var(--ink-2);
}
.stats .wrap{
  display:grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}
.stat{
  padding: 34px 22px;
  border-left: 1px solid var(--line-soft);
  text-align:left;
}
.stat:first-child{ border-left:none; padding-left:0; }
.stat b{
  display:block;
  font-family: var(--f-display);
  font-size: clamp(1.8rem, 2.8vw, 2.4rem);
  color: var(--paper);
  font-weight:600;
}
.stat span{
  font-family: var(--f-mono);
  font-size: .72rem;
  letter-spacing:.06em;
  color: var(--steel-dim);
  text-transform:uppercase;
}
@media (max-width: 780px){
  .stats .wrap{ grid-template-columns: repeat(2,1fr); }
  .stat{ border-left:none; border-top:1px solid var(--line-soft); padding-left:0; }
  .stat:nth-child(odd){ padding-right:18px; }
  .stat:nth-child(even){ padding-left:18px; border-left:1px solid var(--line-soft); }
  .stat:nth-child(1), .stat:nth-child(2){ border-top:none; }
}

/* ============================================================
   6. SERVICES (spec-sheet cards)
   ============================================================ */
.services-grid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
}
.service-card{
  background: var(--plate);
  padding: 32px 28px 30px;
  transition: background .25s ease;
}
.service-card:hover{ background: var(--plate-2); }
.service-card .tag-code{ display:block; margin-bottom: 18px; }
.service-card h3{
  font-size: 1.18rem;
  color: var(--paper);
  margin-bottom: .6em;
  line-height:1.25;
}
.service-card p{
  color: var(--steel);
  font-size: .93rem;
}
.service-card .icon{ margin-bottom: 16px; color: var(--blueprint); }
@media (max-width: 900px){ .services-grid{ grid-template-columns: repeat(2,1fr); } }
@media (max-width: 620px){ .services-grid{ grid-template-columns: 1fr; } }

/* ============================================================
   7. WELDING FEATURE (split)
   ============================================================ */
.feature{
  background: var(--ink-2);
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
}
.feature .wrap{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(30px,5vw,70px);
  align-items:center;
}
.feature-list{ margin-top: 1.8em; display:flex; flex-direction:column; gap: 16px; }
.feature-list li{
  display:flex;
  gap: 14px;
  align-items:flex-start;
  font-size: .96rem;
  color: var(--paper-dim);
}
.feature-list li b{ color: var(--paper); }
.feature-list svg{ flex:none; margin-top:3px; color: var(--amber); }
.feature-art{ position:relative; }
.feature-art svg{ width:100%; height:auto; }
@media (max-width: 860px){
  .feature .wrap{ grid-template-columns: 1fr; }
  .feature-art{ order:-1; }
}

/* ============================================================
   8. COMPLIANCE STRIP
   ============================================================ */
.compliance{ border-bottom: 1px solid var(--line-soft); }
.compliance-grid{
  display:grid;
  grid-template-columns: repeat(5, 1fr);
  border: 1px solid var(--line-soft);
}
.compliance-item{
  padding: 26px 18px;
  text-align:center;
  border-left: 1px solid var(--line-soft);
  display:flex;
  flex-direction:column;
  gap:8px;
  align-items:center;
  justify-content:center;
}
.compliance-item:first-child{ border-left:none; }
.compliance-item b{
  font-family: var(--f-mono);
  color: var(--paper);
  font-size: .92rem;
  letter-spacing:.03em;
}
.compliance-item span{
  font-size: .74rem;
  color: var(--steel-dim);
  line-height:1.4;
}
@media (max-width: 900px){
  .compliance-grid{ grid-template-columns: repeat(2,1fr); }
  .compliance-item{ border-left:none; border-top:1px solid var(--line-soft); }
  .compliance-item:nth-child(odd){ border-right:1px solid var(--line-soft); }
  .compliance-item:nth-child(1), .compliance-item:nth-child(2){ border-top:none; }
}

/* ============================================================
   9. PROCESS
   ============================================================ */
.process-grid{
  display:grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 26px;
  counter-reset: step;
}
.process-step{ position:relative; padding-top: 20px; border-top: 1px solid var(--line); }
.process-step .num{
  font-family: var(--f-mono);
  font-size: .78rem;
  color: var(--amber);
  display:block;
  margin-bottom: 14px;
}
.process-step h4{ color: var(--paper); font-size: 1.05rem; margin-bottom:.5em; }
.process-step p{ color: var(--steel); font-size: .9rem; }
@media (max-width: 900px){ .process-grid{ grid-template-columns: repeat(2,1fr); } }
@media (max-width: 560px){ .process-grid{ grid-template-columns: 1fr; } }

/* ============================================================
   10. CTA BANNER
   ============================================================ */
.cta-banner{
  position:relative;
  background: var(--plate);
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
  overflow:hidden;
}
.cta-banner .wrap{
  padding: clamp(56px,8vw,96px) var(--gutter);
  position:relative;
  z-index:2;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 30px;
  flex-wrap:wrap;
}
.cta-banner h2{
  font-size: clamp(1.7rem, 3vw, 2.3rem);
  color: var(--paper);
  max-width: 18ch;
}
.cta-banner p{ color:var(--steel); margin-top:.7em; max-width:48ch; }

/* ============================================================
   11. FOOTER
   ============================================================ */
.site-footer{ background: var(--ink-2); padding-top: 64px; }
.footer-grid{
  display:grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 48px;
  border-bottom: 1px solid var(--line-soft);
}
.footer-brand p{ color: var(--steel); margin-top: 1em; font-size:.92rem; max-width: 34ch; }
.footer-col h5{
  font-family: var(--f-mono);
  font-size: .74rem;
  letter-spacing:.1em;
  text-transform:uppercase;
  color: var(--steel-dim);
  margin-bottom: 1.1em;
}
.footer-col ul{ display:flex; flex-direction:column; gap: 10px; }
.footer-col a, .footer-col address{ color: var(--paper-dim); font-size: .9rem; font-style:normal; }
.footer-col a:hover{ color: var(--blueprint); }
.footer-bottom{
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding: 24px 0 30px;
  flex-wrap:wrap;
  gap: 12px;
  font-family: var(--f-mono);
  font-size: .72rem;
  color: var(--steel-dim);
  letter-spacing:.04em;
}
@media (max-width: 860px){
  .footer-grid{ grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px){
  .footer-grid{ grid-template-columns: 1fr; }
}

/* ============================================================
   12. FALLBACK CONTENT (index.php / single / page — kept minimal & on-brand)
   ============================================================ */
.content-area{ padding: 160px 0 100px; min-height: 50vh; }
.content-area article{ margin-bottom: 64px; padding-bottom: 64px; border-bottom: 1px solid var(--line-soft); }
.content-area h1, .content-area h2{ color: var(--paper); }
.content-area p{ color: var(--paper-dim); margin: 1em 0; }
.content-area a{ color: var(--blueprint); text-decoration: underline; }