/* Expert Grup Iaşi — style.css — sistem de design "plan tehnic" */

:root{
  --paper: #EAEBE4;
  --paper-light: #F7F7F2;
  --ink: #1B2A2E;
  --ink-soft: #495456;
  --line: #C7CBC2;
  --line-strong: #9DA39B;
  --electric: #C68A1F;
  --electric-bg: #F6EBD3;
  --thermal: #B8482A;
  --thermal-bg: #F5DFD6;
  --water: #2E6E7A;
  --water-bg: #DCE9EA;
  --vent: #3A4F5E;
  --vent-bg: #DEE4E8;
  --neutral-bg: #E3E4DD;
}
*{box-sizing:border-box; margin:0; padding:0;}
html{scroll-behavior:smooth;}
body{ background:var(--paper); color:var(--ink); font-family:'IBM Plex Sans', sans-serif; font-size:16px; line-height:1.6; -webkit-font-smoothing:antialiased;}
a{color:inherit;}
.wrap{max-width:1180px; margin:0 auto; padding:0 32px;}
::selection{background:var(--electric-bg); color:var(--ink);}
img{max-width:100%; display:block;}

.grid-bg{
  background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 40px 40px; background-position:-1px -1px; opacity:0.35;
  position:absolute; inset:0; pointer-events:none;
}
.eyebrow{
  font-family:'IBM Plex Mono', monospace; font-size:12.5px; letter-spacing:0.14em; text-transform:uppercase;
  color:var(--ink-soft); display:flex; align-items:center; gap:10px;
}
.eyebrow::before{ content:""; width:18px; height:1px; background:var(--line-strong); display:inline-block;}
h1,h2,h3{ font-family:'Archivo', sans-serif; font-weight:700; letter-spacing:-0.01em; color:var(--ink); }

/* HEADER */
header{ position:relative; border-bottom:1px solid var(--line-strong); background:var(--paper); }
.topbar{ display:flex; align-items:center; justify-content:space-between; padding:22px 0; position:relative; z-index:2; }
.logo{ display:flex; align-items:baseline; gap:10px; text-decoration:none; }
.logo-mark{ font-family:'IBM Plex Mono', monospace; font-weight:600; font-size:13px; border:1.5px solid var(--ink); padding:4px 7px; letter-spacing:0.04em; color:var(--ink);}
.logo-text{ font-family:'Archivo', sans-serif; font-weight:800; font-size:19px; letter-spacing:-0.01em; color:var(--ink);}
.logo-text span{ font-weight:500; color:var(--ink-soft); font-size:14px; display:block; letter-spacing:0.02em;}
nav ul{ list-style:none; display:flex; gap:30px; font-size:14.5px; font-weight:500; }
nav a{ text-decoration:none; position:relative; padding-bottom:4px;}
nav a::after{ content:""; position:absolute; left:0; right:0; bottom:0; height:2px; background:var(--electric); transform:scaleX(0); transform-origin:left; transition:transform .25s ease;}
nav a:hover::after, nav a.active::after{ transform:scaleX(1); }
.nav-cta{ font-family:'IBM Plex Mono', monospace; font-size:13px; font-weight:500; border:1.5px solid var(--ink); padding:8px 16px; text-decoration:none; transition:background .2s ease, color .2s ease; white-space:nowrap;}
.nav-cta:hover{ background:var(--ink); color:var(--paper-light); }
.mobile-toggle{ display:none; }

/* BREADCRUMB */
.breadcrumb{ padding:16px 0; border-bottom:1px solid var(--line); }
.breadcrumb ol{ list-style:none; display:flex; gap:8px; font-family:'IBM Plex Mono', monospace; font-size:12.5px; color:var(--ink-soft); flex-wrap:wrap;}
.breadcrumb a{ text-decoration:none; color:var(--ink-soft); }
.breadcrumb a:hover{ color:var(--ink); text-decoration:underline; }
.breadcrumb li:not(:last-child)::after{ content:"/"; margin-left:8px; color:var(--line-strong); }
.breadcrumb li:last-child{ color:var(--ink); }

/* PAGE HERO (folosit pe paginile interioare) */
.page-hero{ position:relative; padding:52px 0 40px; border-bottom:1px solid var(--line-strong); }
.page-hero-inner{ position:relative; z-index:2; display:grid; grid-template-columns:auto 1fr; gap:24px; align-items:flex-start; }
.page-icon{
  width:60px; height:60px; flex:none; border-radius:50%;
  border:2px solid var(--ink); color:var(--ink);
  display:flex; align-items:center; justify-content:center;
  font-family:'IBM Plex Mono', monospace; font-weight:700; font-size:19px;
  background:var(--neutral-bg);
}
.page-icon.electric{ border-color:var(--electric); color:var(--electric); background:var(--electric-bg); }
.page-icon.thermal{ border-color:var(--thermal); color:var(--thermal); background:var(--thermal-bg); }
.page-icon.water{ border-color:var(--water); color:var(--water); background:var(--water-bg); }
.page-icon.vent{ border-color:var(--vent); color:var(--vent); background:var(--vent-bg); }
.page-hero h1{ font-size:clamp(30px,4vw,44px); line-height:1.06; margin:10px 0 14px; }
.page-hero p.lede{ font-size:16.5px; color:var(--ink-soft); max-width:620px; }
.page-tags{ display:flex; gap:8px; flex-wrap:wrap; margin-top:20px; }
.page-tag{ font-family:'IBM Plex Mono', monospace; font-size:11.5px; font-weight:500; padding:5px 10px; border-radius:2px; background:var(--neutral-bg); color:var(--ink-soft);}
.page-tag.electric{ background:var(--electric-bg); color:var(--electric); }
.page-tag.thermal{ background:var(--thermal-bg); color:var(--thermal); }
.page-tag.water{ background:var(--water-bg); color:var(--water); }
.page-tag.vent{ background:var(--vent-bg); color:var(--vent); }

/* CONTENT LAYOUT (2 col) */
.content-layout{ display:grid; grid-template-columns:1fr 300px; gap:60px; padding:56px 0; align-items:start; }
.content-layout.single{ grid-template-columns:1fr; max-width:760px; }
.content-layout h2{ font-size:clamp(20px,2.4vw,26px); margin:34px 0 14px; }
.content-layout h2:first-child{ margin-top:0; }
.content-layout p{ font-size:15.5px; color:var(--ink-soft); margin-bottom:14px; }
.content-layout p a, .content-layout li a{ color:var(--ink); text-decoration:underline; text-underline-offset:2px; }
.content-layout p a:hover, .content-layout li a:hover{ color:var(--electric); }

.scope-list{ list-style:none; counter-reset:scope; margin-top:18px; }
.scope-list li{ counter-increment:scope; display:grid; grid-template-columns:44px 1fr; gap:16px; padding:16px 0; border-top:1px solid var(--line); }
.scope-list li:last-child{ border-bottom:1px solid var(--line); }
.scope-list li::before{ content:attr(data-code); font-family:'IBM Plex Mono', monospace; font-size:12px; font-weight:600; color:var(--code-color, var(--ink)); padding-top:2px; }
.scope-list p{ color:var(--ink); font-size:15.5px; margin-bottom:0; }

.plain-list{ list-style:none; margin:14px 0 20px; }
.plain-list li{ padding:9px 0 9px 20px; position:relative; font-size:15px; color:var(--ink-soft); border-top:1px solid var(--line); }
.plain-list li:last-child{ border-bottom:1px solid var(--line); }
.plain-list li::before{ content:"—"; position:absolute; left:0; color:var(--line-strong); }

.note-box{ margin:24px 0; padding:18px 20px; background:var(--paper-light); border-left:3px solid var(--ink); }
.note-box.electric{ border-left-color:var(--electric); }
.note-box.thermal{ border-left-color:var(--thermal); }
.note-box.water{ border-left-color:var(--water); }
.note-box p{ font-size:14.5px; color:var(--ink-soft); margin:0; }
.note-box a{ color:var(--ink); font-weight:600; }

.links-block{ margin-top:40px; }
.links-block h2{ font-size:18px; margin-bottom:12px; }
.links-block ul{ list-style:none; }
.links-block li{ padding:11px 0; border-top:1px solid var(--line); font-size:14px; }
.links-block li:last-child{ border-bottom:1px solid var(--line); }
.links-block a{ text-decoration:none; color:var(--ink); }
.links-block a:hover{ color:var(--electric); }
.links-block .doc-title{ display:block; font-weight:600; margin-bottom:2px; }
.links-block .doc-desc{ display:block; font-size:13px; color:var(--ink-soft); }

/* SIDEBAR */
.side-card{ background:var(--paper-light); border:1.5px solid var(--ink); padding:24px 22px; position:sticky; top:24px; }
.side-card h3{ font-size:15.5px; margin-bottom:14px; }
.side-card dl{ display:grid; grid-template-columns:auto 1fr; gap:8px 14px; font-size:13.5px; margin-bottom:20px;}
.side-card dt{ font-family:'IBM Plex Mono',monospace; font-size:10.5px; color:var(--ink-soft); text-transform:uppercase; letter-spacing:.05em; padding-top:1px;}
.side-card dd{ font-weight:500; }
.btn-primary{
  background:var(--ink); color:var(--paper-light); font-family:'IBM Plex Mono', monospace; font-size:13px; font-weight:500;
  padding:13px 18px; text-decoration:none; letter-spacing:0.02em; border:1.5px solid var(--ink);
  display:flex; align-items:center; justify-content:center; gap:10px; transition:opacity .2s ease; cursor:pointer;
}
.btn-primary:hover{ opacity:.82; }
.related-title{ font-family:'IBM Plex Mono', monospace; font-size:11px; text-transform:uppercase; letter-spacing:.06em; color:var(--ink-soft); margin:24px 0 8px;}
.related-list a{ display:flex; justify-content:space-between; align-items:center; text-decoration:none; color:var(--ink); font-size:13px; padding:9px 0; border-top:1px solid var(--line); }
.related-list a:hover{ color:var(--electric); }
.related-list a:last-child{ border-bottom:1px solid var(--line); }
.related-list span{ font-family:'IBM Plex Mono',monospace; font-size:10.5px; color:var(--ink-soft); }

/* SECTION GENERIC (homepage) */
section.pad{ padding:96px 0; }
.section-head{ max-width:640px; margin-bottom:56px; }
.section-head h2{ font-size:clamp(28px,3.4vw,38px); margin-top:14px; }
.section-head p{ color:var(--ink-soft); font-size:16px; margin-top:14px; }

/* HERO homepage */
.hero{ position:relative; overflow:hidden; padding-top:56px; }
.hero-inner{ position:relative; z-index:2; display:grid; grid-template-columns:1.05fr 1fr; gap:40px; align-items:center; padding-bottom:40px; }
.hero h1{ font-size:clamp(38px, 5vw, 58px); line-height:1.03; margin:18px 0 22px; }
.hero h1 em{ font-style:normal; color:var(--thermal); }
.hero p.lede{ font-size:17.5px; color:var(--ink-soft); max-width:480px; margin-bottom:30px; }
.hero-actions{ display:flex; gap:14px; flex-wrap:wrap; align-items:center;}
.btn-secondary{ font-family:'IBM Plex Mono', monospace; font-size:13.5px; font-weight:500; text-decoration:none; color:var(--ink); padding:14px 4px; border-bottom:1.5px solid var(--line-strong);}
.hero-meta{ margin-top:34px; display:flex; gap:34px; padding-top:24px; border-top:1px solid var(--line); font-family:'IBM Plex Mono', monospace; font-size:12.5px; color:var(--ink-soft); flex-wrap:wrap; row-gap:16px;}
.hero-meta b{ display:block; font-family:'Archivo',sans-serif; font-size:22px; color:var(--ink); font-weight:700;}

.layer-stack{ position:relative; padding:6px 0 6px 34px; max-width:300px; margin-left:auto; }
.layer-card{ background:var(--paper-light); border:1.5px solid var(--ink); padding:12px 14px; display:flex; flex-direction:column; gap:5px; opacity:0; transform:translate(-14px, 10px); animation: layer-in .55s ease forwards; }
.layer-t{ margin-left:0; animation-delay:.05s; }
.layer-v{ margin-left:16px; margin-top:-20px; animation-delay:.18s; }
.layer-s{ margin-left:32px; margin-top:-20px; animation-delay:.31s; }
.layer-e{ margin-left:48px; margin-top:-20px; margin-bottom:20px; animation-delay:.44s; }
@keyframes layer-in{ to{ opacity:1; transform:translate(0,0); } }
.layer-top{ display:flex; align-items:center; gap:9px; }
.layer-code{ width:22px; height:22px; flex:none; border-radius:50%; display:flex; align-items:center; justify-content:center; font-family:'IBM Plex Mono', monospace; font-weight:600; font-size:11px; border:1.5px solid currentColor; }
.layer-t .layer-code{ color:var(--thermal); }
.layer-v .layer-code{ color:var(--vent); }
.layer-s .layer-code{ color:var(--water); }
.layer-e .layer-code{ color:var(--electric); }
.layer-name{ font-family:'Archivo', sans-serif; font-weight:700; font-size:14px; }
.layer-scale{ font-family:'IBM Plex Mono', monospace; font-size:10.5px; color:var(--ink-soft); border-top:1px solid var(--line); padding-top:6px; }
.layer-caption{ font-family:'IBM Plex Mono', monospace; font-size:11.5px; color:var(--ink-soft); line-height:1.5; padding-left:2px; }
@media (prefers-reduced-motion: reduce){ .layer-card{ animation:none; opacity:1; transform:none; } }

/* SYSTEMS BAND */
.systems{ border-top:1px solid var(--line-strong); border-bottom:1px solid var(--line-strong); background:var(--paper-light); }
.systems-grid{ display:grid; grid-template-columns:repeat(4,1fr); }
.system-item{ padding:28px 32px; border-right:1px solid var(--line); display:flex; align-items:center; gap:16px; text-decoration:none; color:var(--ink); }
.system-item:last-child{ border-right:none; }
.sys-code{ font-family:'IBM Plex Mono', monospace; font-size:12px; font-weight:600; width:38px; height:38px; flex:none; display:flex; align-items:center; justify-content:center; border:1.5px solid currentColor; border-radius:50%; }
.system-item.electric .sys-code{ color:var(--electric); }
.system-item.thermal .sys-code{ color:var(--thermal); }
.system-item.vent .sys-code{ color:var(--vent); }
.system-item.water .sys-code{ color:var(--water); }
.system-item h3{ font-size:15px; font-weight:600; margin-bottom:2px; }
.system-item p{ font-size:13px; color:var(--ink-soft); }

/* ABOUT */
.about-grid{ display:grid; grid-template-columns: 1fr 1fr; gap:64px; align-items:start; }
.about-grid p{ color:var(--ink-soft); margin-bottom:16px; font-size:16px; }
.stat-list{ display:grid; grid-template-columns:1fr 1fr; gap:28px 24px; }
.stat{ border-top:2px solid var(--ink); padding-top:12px; }
.stat b{ font-family:'Archivo',sans-serif; font-size:32px; display:block; font-weight:700;}
.stat span{ font-size:12.5px; color:var(--ink-soft); font-family:'IBM Plex Mono',monospace; }

/* SERVICES GRID (cards) */
.services-grid{ display:grid; grid-template-columns:repeat(3, 1fr); gap:1px; background:var(--line-strong); border:1px solid var(--line-strong); }
.service-card{ background:var(--paper-light); padding:30px 26px 26px; min-height:190px; display:flex; flex-direction:column; justify-content:space-between; transition:background .2s ease; text-decoration:none; color:var(--ink); }
.service-card:hover{ background:#fff; }
.service-top{ display:flex; justify-content:space-between; align-items:flex-start; }
.service-code{ font-family:'IBM Plex Mono', monospace; font-size:11.5px; font-weight:600; padding:3px 7px; border-radius:2px; }
.service-card.e .service-code{ color:var(--electric); background:var(--electric-bg); }
.service-card.w .service-code{ color:var(--water); background:var(--water-bg); }
.service-card.v .service-code{ color:var(--vent); background:var(--vent-bg); }
.service-card.t .service-code{ color:var(--thermal); background:var(--thermal-bg); }
.service-card.d .service-code{ color:var(--ink-soft); background:var(--neutral-bg); }
.service-card h3{ font-size:17px; margin-top:20px; margin-bottom:8px; font-weight:600; }
.service-card p{ font-size:13.5px; color:var(--ink-soft); }
.service-arrow{ font-size:18px; opacity:0; transition:opacity .2s ease, transform .2s ease; transform:translateX(-4px); }
.service-card:hover .service-arrow{ opacity:1; transform:translateX(0); }

/* TRUST STRIP */
.trust-strip{ background:var(--ink); color:var(--paper-light); }
.trust-inner{ display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:24px; padding:44px 0; }
.trust-inner p{ font-size:19px; max-width:560px; font-family:'Archivo',sans-serif; font-weight:600; line-height:1.3;}
.trust-inner .btn-primary{ background:var(--paper-light); color:var(--ink); border-color:var(--paper-light); }

/* CONTACT FORM */
.contact-grid{ display:grid; grid-template-columns:1fr 1fr; gap:64px; }
.contact-info dl{ display:grid; grid-template-columns:auto 1fr; gap:10px 20px; font-size:15px; margin-top:24px;}
.contact-info dt{ font-family:'IBM Plex Mono',monospace; font-size:12px; color:var(--ink-soft); text-transform:uppercase; letter-spacing:.06em; padding-top:2px;}
.contact-info dd{ font-weight:500; }
.field{ margin-bottom:18px; }
.field label{ display:block; font-family:'IBM Plex Mono',monospace; font-size:12px; color:var(--ink-soft); margin-bottom:6px; text-transform:uppercase; letter-spacing:.05em;}
.field input, .field textarea, .field select{ width:100%; border:none; border-bottom:1.5px solid var(--line-strong); background:transparent; padding:10px 2px; font-family:'IBM Plex Sans',sans-serif; font-size:15px; color:var(--ink);}
.field input:focus, .field textarea:focus, .field select:focus{ outline:none; border-bottom-color:var(--thermal); }
.field textarea{ resize:vertical; min-height:80px; }
.map-embed{ border:1.5px solid var(--ink); margin-top:26px; filter:grayscale(15%); }
.map-embed iframe{ width:100%; height:280px; border:0; display:block; }

/* LEGAL PAGES */
.legal-body h2{ font-size:19px; margin:30px 0 10px; }
.legal-body h2:first-child{ margin-top:0; }
.legal-body p, .legal-body li{ font-size:14.5px; color:var(--ink-soft); margin-bottom:10px; }
.legal-body ul{ margin-left:20px; margin-bottom:14px; }
.legal-updated{ font-family:'IBM Plex Mono',monospace; font-size:12px; color:var(--ink-soft); margin-bottom:30px; }

footer{ border-top:1px solid var(--line-strong); padding:36px 0; }
.footer-inner{ display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:14px;}
.footer-inner p{ font-family:'IBM Plex Mono',monospace; font-size:12px; color:var(--ink-soft); }
.footer-links{ display:flex; gap:22px; font-size:13px; flex-wrap:wrap; }
.footer-links a{ text-decoration:none; color:var(--ink-soft); }
.footer-links a:hover{ color:var(--ink); }

@media (max-width: 880px){
  .wrap{ padding:0 20px; }
  nav ul{ display:none; }
  .hero-inner{ grid-template-columns:1fr; }
  .layer-stack{ order:-1; margin-left:0; }
  .systems-grid{ grid-template-columns:1fr; }
  .system-item{ border-right:none; border-bottom:1px solid var(--line); }
  .about-grid{ grid-template-columns:1fr; gap:36px; }
  .services-grid{ grid-template-columns:1fr; }
  .contact-grid{ grid-template-columns:1fr; }
  section.pad{ padding:64px 0; }
  .content-layout{ grid-template-columns:1fr; gap:40px; }
  .side-card{ position:static; }
  .page-hero-inner{ grid-template-columns:1fr; }
  .systems{ display:none; }
}