:root{
  --paper:#FAFAF7; --ink:#141414; --ink-soft:#5B5B56;
  --line:#DEDBD1; --accent:#C31F2D;
  color-scheme: light;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --paper:#131311; --ink:#F2F1EC; --ink-soft:#A6A399;
    --line:#333029; --accent:#E0505C;
    color-scheme: dark;
  }
}
:root[data-theme="dark"]{
  --paper:#131311; --ink:#F2F1EC; --ink-soft:#A6A399;
  --line:#333029; --accent:#E0505C;
  color-scheme: dark;
}
*{box-sizing:border-box;}
body{ background:var(--paper); color:var(--ink); font-family:'Archivo',system-ui,sans-serif; font-size:16px; line-height:1.6; margin:0; }
h1,h2,h3{ font-family:'Archivo',sans-serif; font-weight:800; margin:0; text-wrap:balance; letter-spacing:-0.01em; }
p{ margin:0; }
a{ color:inherit; }
.mono{ font-family:'IBM Plex Mono',monospace; }
.wrap{ max-width:1240px; margin-inline:auto; padding-inline:32px; }

nav{ padding-block:22px; }
nav .wrap{ display:flex; justify-content:space-between; align-items:center; }
.logo{ font-weight:800; font-size:1.15rem; text-decoration:none; letter-spacing:-0.01em; }
.nav-links{ display:flex; gap:32px; list-style:none; margin:0; padding:0; }
.nav-links a{ text-decoration:none; font-size:0.88rem; font-weight:600; color:var(--ink-soft); }
.nav-links a:hover{ color:var(--ink); }
.nav-links a[aria-current="page"]{ color:var(--accent); }
.nav-right{ display:flex; align-items:center; gap:18px; }
.icon-btn{ width:32px; height:32px; border:1px solid var(--line); background:none; color:var(--ink); display:flex; align-items:center; justify-content:center; cursor:pointer; }
@media (max-width:760px){ .nav-links{ display:none; } }

.index-hero{ padding-block:56px 40px; border-top:1px solid var(--line); border-bottom:1px solid var(--line); }
.index-hero .tag{ font-size:0.78rem; letter-spacing:0.1em; text-transform:uppercase; color:var(--ink-soft); margin-bottom:28px; display:block; }
.index-hero .tag em{ color:var(--accent); font-style:normal; }
.index-hero h1{ font-size:clamp(2.6rem,7vw,6rem); line-height:0.98; margin-bottom:0; }
.hero-meta{ display:grid; grid-template-columns:1.6fr 1fr; gap:40px; margin-top:36px; align-items:end; }
@media (max-width:760px){ .hero-meta{ grid-template-columns:1fr; } }
.hero-meta p{ color:var(--ink-soft); font-size:1.05rem; max-width:46ch; }
.hero-meta .metabox{ text-align:right; }
@media (max-width:760px){ .hero-meta .metabox{ text-align:left; } }
.metabox .mono{ font-size:0.8rem; color:var(--ink-soft); display:block; margin-bottom:6px; }

/* chapter opener (interior pages) */
.chapter-hero{ padding-block:56px 40px; border-bottom:1px solid var(--line); }
.chapter-crumb{ font-size:0.78rem; letter-spacing:0.06em; text-transform:uppercase; color:var(--ink-soft); margin-bottom:20px; }
.chapter-crumb a{ text-decoration:none; color:var(--ink-soft); }
.chapter-crumb a:hover{ color:var(--ink); }
.chapter-num{ font-size:0.85rem; color:var(--accent); margin-bottom:12px; display:block; }
.chapter-hero h1{ font-size:clamp(2.2rem,5.5vw,4rem); line-height:1; margin-bottom:20px; }
.chapter-hero p{ color:var(--ink-soft); font-size:1.05rem; max-width:64ch; }

.idx-section{ display:grid; grid-template-columns:120px 1fr; gap:32px; padding-block:64px; border-bottom:1px solid var(--line); }
@media (max-width:700px){ .idx-section{ grid-template-columns:1fr; gap:20px; } }
.idx-num{ font-family:'Archivo',sans-serif; font-weight:900; font-size:3.4rem; color:var(--line); line-height:1; }
.idx-label{ font-size:0.78rem; letter-spacing:0.1em; text-transform:uppercase; color:var(--ink-soft); margin-bottom:20px; display:block; }
.idx-section h2{ font-size:clamp(1.6rem,2.6vw,2.2rem); margin-bottom:20px; max-width:26ch; }
.idx-body p{ color:var(--ink-soft); max-width:66ch; margin-bottom:14px; font-size:1rem; }

.plain-list{ margin-top:28px; display:flex; flex-direction:column; }
.plain-row{ display:grid; grid-template-columns:2fr 1fr 3fr; gap:24px; padding-block:18px; border-top:1px solid var(--line); align-items:baseline; }
.plain-list .plain-row:last-child{ border-bottom:1px solid var(--line); }
@media (max-width:700px){ .plain-row{ grid-template-columns:1fr; gap:6px; } }
.plain-row .name{ font-weight:700; }
.plain-row .cat{ font-size:0.78rem; color:var(--accent); text-transform:uppercase; letter-spacing:0.06em; }
.plain-row .desc{ color:var(--ink-soft); font-size:0.94rem; }
.plain-row .dl{ text-decoration:none; font-size:0.8rem; font-weight:700; border-bottom:1px solid var(--accent); display:inline-block; margin-top:6px; }

.stat-row{ display:grid; grid-template-columns:repeat(4,1fr); gap:0; margin-top:8px; }
@media (max-width:700px){ .stat-row{ grid-template-columns:1fr 1fr; row-gap:28px; } }
.stat-cell{ border-left:1px solid var(--line); padding-left:20px; }
.stat-cell:first-child{ border-left:none; padding-left:0; }
@media (max-width:700px){ .stat-cell:nth-child(odd){ border-left:none; padding-left:0; } }
.stat-cell .num{ font-size:2.6rem; font-weight:900; }
.stat-cell .lab{ font-size:0.78rem; color:var(--ink-soft); margin-top:6px; text-transform:uppercase; letter-spacing:0.04em; }

.quotes{ display:flex; flex-direction:column; gap:0; margin-top:8px; }
.quote-row{ padding-block:24px; border-top:1px solid var(--line); }
.quotes .quote-row:last-child{ border-bottom:1px solid var(--line); }
.quote-row p{ font-size:1.05rem; max-width:64ch; margin-bottom:10px; }
.quote-row .who{ font-size:0.78rem; letter-spacing:0.08em; text-transform:uppercase; color:var(--ink-soft); }

.contact-block{ display:grid; grid-template-columns:1fr 1fr; gap:40px; margin-top:8px; }
@media (max-width:700px){ .contact-block{ grid-template-columns:1fr; } }
.cline{ display:flex; justify-content:space-between; border-top:1px solid var(--line); padding-block:14px; font-size:0.95rem; gap:16px; }
.contact-block > div > .cline:last-child{ border-bottom:1px solid var(--line); }
.cline a{ text-decoration:none; font-weight:600; }
.cline a:hover{ color:var(--accent); }
.cta-plain{ display:inline-flex; align-items:center; gap:10px; text-decoration:none; font-weight:700; font-size:1.1rem; color:var(--ink); border-bottom:2px solid var(--accent); padding-bottom:4px; margin-top:24px; }

/* partnership block */
.partner-block{ border:1px solid var(--line); padding:40px; margin-top:8px; }
.partner-block .ptag{ font-size:0.78rem; letter-spacing:0.1em; text-transform:uppercase; color:var(--accent); margin-bottom:16px; display:block; }
.partner-block h3{ font-size:1.5rem; margin-bottom:16px; max-width:28ch; }
.partner-block p{ color:var(--ink-soft); max-width:64ch; margin-bottom:20px; }
.partner-facts{ display:flex; gap:32px; flex-wrap:wrap; }
.partner-facts div{ font-size:0.82rem; }
.partner-facts .mono{ display:block; color:var(--ink-soft); margin-bottom:4px; }
.partner-facts strong{ font-size:1rem; }

/* product list (square chips) */
.chip-row{ display:flex; flex-wrap:wrap; gap:10px; margin-top:20px; }
.chip{ border:1px solid var(--line); padding:9px 14px; font-size:0.86rem; font-weight:600; }
.chip.bentley{ border-color:var(--accent); }
.chip.bentley::after{ content:" ·B"; color:var(--accent); font-size:0.72rem; }

/* form (underline style) */
.form-block{ max-width:640px; margin-top:8px; }
.f-row{ display:grid; grid-template-columns:1fr 1fr; gap:24px; }
@media (max-width:560px){ .f-row{ grid-template-columns:1fr; } }
.f-field{ display:flex; flex-direction:column; gap:8px; margin-bottom:24px; }
.f-field label{ font-size:0.78rem; letter-spacing:0.06em; text-transform:uppercase; color:var(--ink-soft); }
.f-field input, .f-field textarea, .f-field select{
  background:none; border:none; border-bottom:1px solid var(--line); color:var(--ink);
  padding:8px 0; font-family:'Archivo',sans-serif; font-size:1rem; border-radius:0; resize:vertical;
}
.f-field input:focus, .f-field textarea:focus, .f-field select:focus{ outline:none; border-color:var(--ink); }
.f-submit{ background:var(--ink); color:var(--paper); border:none; padding:14px 28px; font-weight:700; font-size:0.95rem; cursor:pointer; }
.form-confirm{ display:none; margin-top:16px; font-size:0.9rem; font-weight:700; color:var(--accent); }
.form-confirm.show{ display:block; }

footer{ padding-block:32px; }
.footer-row{ display:flex; justify-content:space-between; flex-wrap:wrap; gap:12px; font-size:0.82rem; color:var(--ink-soft); }
.footer-row a{ text-decoration:none; }
.footer-row a:hover{ color:var(--ink); }

/* mega menu */
.mega-trigger{ position:relative; display:inline-flex; }
.mega-menu{
  display:none; flex-direction:column; position:absolute; top:100%; left:0; margin-top:18px;
  min-width:260px; background:var(--paper); border:1px solid var(--line); padding:6px; z-index:50;
}
.mega-trigger:hover .mega-menu, .mega-trigger:focus-within .mega-menu{ display:flex; }
.mega-menu a{ display:block; padding:10px 12px; font-size:0.84rem; font-weight:600; text-decoration:none; color:var(--ink-soft); }
.mega-menu a:hover{ color:var(--accent); }

/* WhatsApp float */
.wa-float{ position:fixed; right:24px; bottom:24px; z-index:100; width:56px; height:56px; border-radius:50%; background:#25D366; color:#fff; display:flex; align-items:center; justify-content:center; box-shadow:0 8px 24px rgba(0,0,0,0.28); text-decoration:none; transition:transform .15s ease; }
.wa-float:hover{ transform:scale(1.08); }
.wa-float svg{ width:28px; height:28px; }
@media (max-width:600px){ .wa-float{ right:16px; bottom:16px; width:50px; height:50px; } }

/* newsletter */
.newsletter-section{ border-top:1px solid var(--line); padding-block:24px; }
.newsletter-block{ display:flex; justify-content:space-between; align-items:center; gap:20px; flex-wrap:wrap; }
.newsletter-block h4{ font-weight:800; font-size:0.92rem; margin:0 0 4px; }
.newsletter-block p{ color:var(--ink-soft); font-size:0.82rem; margin:0; }
.newsletter-form{ display:flex; gap:0; }
.newsletter-form input{ padding:10px 0; border:none; border-bottom:1px solid var(--line); background:none; color:var(--ink); min-width:200px; font-family:'Archivo',sans-serif; }
.newsletter-form input:focus{ outline:none; border-color:var(--ink); }
.newsletter-form button{ padding:10px 18px; border:none; background:var(--ink); color:var(--paper); cursor:pointer; font-weight:700; margin-left:10px; }
.newsletter-confirm{ display:none; font-size:0.8rem; font-weight:700; color:var(--accent); margin-top:8px; width:100%; }
.newsletter-confirm.show{ display:block; }

/* inline PDF preview */
.pdf-preview-toggle{ background:none; border:none; font-family:'Archivo',sans-serif; font-size:0.8rem; font-weight:700; color:var(--ink); cursor:pointer; margin-left:10px; text-decoration:underline; padding:0; }
.pdf-preview-toggle:hover{ color:var(--accent); }
.pdf-preview-wrap{ display:none; margin-top:12px; }
.pdf-preview-wrap.open{ display:block; }
.pdf-preview-frame{ width:100%; height:400px; border:1px solid var(--line); }

/* map embed */
.map-embed{ margin-top:16px; border:1px solid var(--line); overflow:hidden; aspect-ratio:16/10; }
.map-embed iframe{ width:100%; height:100%; border:0; display:block; }

/* deals section */
.deals-section{ border-bottom:1px solid var(--line); padding-block:56px; }
.deals-head h2{ font-size:clamp(1.6rem,2.8vw,2.2rem); margin-top:6px; }
.deals-grid{ display:flex; flex-direction:column; margin-top:24px; }
.deal-card{ display:grid; grid-template-columns:1fr 3fr auto; gap:20px; align-items:baseline; text-decoration:none; color:var(--ink); padding-block:18px; border-top:1px solid var(--line); }
.deals-grid .deal-card:last-child{ border-bottom:1px solid var(--line); }
.deal-card:hover .deal-badge{ color:var(--accent); }
@media (max-width:700px){ .deal-card{ grid-template-columns:1fr; gap:6px; } }
.deal-badge{ font-family:'IBM Plex Mono',monospace; font-weight:700; font-size:0.82rem; color:var(--ink); }
.deal-card h3{ font-size:1.05rem; font-weight:700; margin:0; }
.deal-card p{ display:none; }
.deal-expiry{ font-family:'IBM Plex Mono',monospace; font-size:0.76rem; color:var(--ink-soft); white-space:nowrap; }
.deals-empty{ border:1px dashed var(--line); padding:28px; text-align:center; margin-top:24px; }
.deals-empty p{ color:var(--ink-soft); margin-bottom:12px; }
.deals-empty-cta{ text-decoration:none; font-weight:700; color:var(--ink); border-bottom:2px solid var(--accent); padding-bottom:2px; cursor:pointer; }