/* ===== DeltaJ v3 — multi-page additions (loaded after style.css) ===== */

/* nav: current page */
.nav-links a.on{ color:var(--bone); }
.nav-links a.on::after{ content:""; display:block; height:2px; margin-top:4px; background:var(--signal); border-radius:2px; }
@media (max-width:1024px){ .nav-links a.on{ color:var(--signal); } .nav-links a.on::after{ display:none; } }

/* page header */
.ph{ padding:150px 0 72px; border-bottom:1px solid var(--line); background:
  radial-gradient(80% 120% at 85% 0%, rgba(var(--signal-rgb),.07), transparent 60%), var(--ink); }
.ph-title{ font-size:clamp(40px,5.6vw,84px); letter-spacing:-.05em; line-height:1; max-width:18ch; text-wrap:balance; }
.ph-title em{ font-family:var(--serif); font-style:italic; font-weight:400; letter-spacing:-.01em; color:var(--signal); }
.ph-lead{ margin-top:26px; font-size:19px; color:#B9BCC3; max-width:62ch; }

/* section head with a link on the right */
.sec-head-row{ max-width:none; display:flex; justify-content:space-between; align-items:flex-end; gap:32px; flex-wrap:wrap; }
.sec-head-row > div{ max-width:820px; }
.link-more{ display:inline-flex; align-items:center; gap:8px; font-size:15px; font-weight:500; color:var(--signal); white-space:nowrap; padding-bottom:6px; }
.sec-light .link-more{ color:var(--ink); text-decoration:underline; text-underline-offset:4px; }
.link-more .arr{ transition:transform .25s var(--ease); }
.link-more:hover .arr{ transform:translateX(4px); }

/* home: industry tiles */
.tiles{ display:grid; grid-template-columns:repeat(3,1fr); gap:1px; background:var(--line); border:1px solid var(--line); border-radius:var(--r); overflow:hidden; }
.tile{ background:var(--ink); padding:26px 26px 28px; display:grid; gap:6px; transition:background .25s; }
.tile:hover{ background:var(--ink-2); }
.tile .mono{ font-size:12px; color:var(--mute); }
.tile b{ font-size:22px; font-weight:500; letter-spacing:-.02em; }
.tile span:last-child{ font-size:15px; color:var(--mute); }
.tile:hover b{ color:var(--signal); }

/* home: services summary */
.svc-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:12px; }
.svc-card{ background:#F6F4EF; border:1px solid rgba(10,11,13,.08); border-radius:14px; padding:22px; display:grid; gap:8px; align-content:start; transition:transform .3s var(--ease), background .3s; }
.svc-card:hover{ transform:translateY(-3px); background:#fff; }
.svc-card .mono{ font-size:11.5px; color:var(--mute-ink); text-transform:uppercase; letter-spacing:.04em; }
.svc-card b{ font-size:18px; font-weight:600; letter-spacing:-.02em; color:var(--ink); }
.svc-card > span:last-child{ font-size:14.5px; color:var(--mute-ink); }
.svc-card-main{ grid-column:span 2; background:var(--ink); border-color:var(--ink); }
.svc-card-main:hover{ background:var(--ink-3); }
.svc-card-main b{ color:var(--bone); font-size:22px; }
.svc-card-main .mono, .svc-card-main > span:last-child{ color:var(--mute); }
.svc-card-partner{ background:var(--signal); border-color:var(--signal); }
.svc-card-partner:hover{ background:var(--signal-hover); }
.svc-card-partner .mono, .svc-card-partner > span:last-child{ color:var(--on-signal-soft); }

/* home: about teaser */
.about-teaser{ display:grid; grid-template-columns:1.3fr 1fr; gap:64px; align-items:end; }
.teaser-quote{ margin:0; font-family:var(--serif); font-style:italic; font-size:clamp(28px,3.4vw,46px); line-height:1.15; color:var(--bone); }
.teaser-by{ margin-top:16px; font-size:12px; text-transform:uppercase; letter-spacing:.06em; color:var(--mute); }
.teaser-side{ display:grid; gap:22px; justify-items:start; font-size:17px; color:#B9BCC3; }

/* services page */
.svc-index{ display:flex; flex-wrap:wrap; gap:8px; margin-top:34px; }
.svc-index a{ font:500 13px var(--mono); color:var(--mute); border:1px solid var(--line-2); border-radius:999px; padding:8px 14px; transition:all .2s; }
.svc-index a:hover{ color:var(--bone); border-color:var(--bone); }
.svc-list{ padding-top:40px; }
.svc{ display:grid; grid-template-columns:minmax(0,1fr) minmax(0,1fr); gap:48px; padding:52px 0; border-bottom:1px solid var(--line); scroll-margin-top:90px; }
.svc:last-child{ border-bottom:0; }
.svc-n{ font-size:13px; color:var(--signal); }
.svc h2{ font-size:clamp(28px,3vw,40px); margin:10px 0 14px; }
.svc-for{ font-size:17px; color:#B9BCC3; max-width:44ch; }
.svc-mode{ margin-top:18px; font-size:12px; text-transform:uppercase; letter-spacing:.05em; color:var(--mute); }
.svc-inc{ list-style:none; margin:0; padding:0; display:grid; gap:0; align-self:start; border-top:1px solid var(--line); }
.svc-inc li{ padding:14px 0 14px 28px; border-bottom:1px solid var(--line); position:relative; color:#D3D5DA; }
.svc-inc li::before{ content:"+"; position:absolute; left:4px; color:var(--signal); font-family:var(--mono); }
.svc-partner{ margin-top:40px; padding:44px; border:0; border-radius:var(--r); background:var(--signal); color:var(--on-signal); }
.svc-partner .svc-n, .svc-partner .svc-for, .svc-partner .svc-mode{ color:var(--on-signal-soft); }
.svc-partner .svc-inc, .svc-partner .svc-inc li{ border-color:rgba(10,11,13,.18); color:var(--on-signal); }
.svc-partner .svc-inc li::before{ color:var(--on-signal); }
.sec-tight .stack{ margin-top:0; }

/* rubros page */
.sec-flush{ padding-top:56px; }
.rubros-note{ margin-top:24px; max-width:70ch; color:var(--mute); font-size:15.5px; }

/* about page: story */
.story-grid{ display:grid; grid-template-columns:minmax(0,1.35fr) minmax(0,.85fr); gap:72px; align-items:start; }
.story-body{ display:grid; gap:48px; }
.story-block{ display:grid; gap:14px; }
.story-block p{ font-size:18px; color:#C4C7CD; max-width:62ch; }
.story-block b{ color:var(--bone); font-weight:600; }
.story-tag{ font-size:12px !important; text-transform:uppercase; letter-spacing:.08em; color:var(--signal) !important; }
.story .founder{ position:sticky; top:100px; }

/* closing band */
.cta-band{ background:var(--signal); color:var(--on-signal); padding:80px 0; }
.cta-band-inner{ display:flex; justify-content:space-between; align-items:flex-end; gap:40px; flex-wrap:wrap; }
.cta-band h2{ font-size:clamp(40px,5vw,72px); letter-spacing:-.05em; }
.cta-band h2 em{ font-family:var(--sans); font-style:normal; font-weight:600; color:var(--on-signal); }
.cta-band p{ margin-top:12px; font-size:17px; color:var(--on-signal-soft); }
.cta-band-btns{ display:flex; gap:10px; flex-wrap:wrap; }
.btn-line-ink{ background:transparent; border-color:rgba(10,11,13,.35); color:var(--on-signal); }
.btn-line-ink:hover{ border-color:var(--on-signal); }

/* contact page: FAQ */
.faq-list{ display:grid; gap:0; border-top:1px solid var(--line); max-width:860px; }
.faq-list details{ border-bottom:1px solid var(--line); }
.faq-list summary{ cursor:pointer; list-style:none; padding:22px 40px 22px 0; font-size:18px; font-weight:500; position:relative; }
.faq-list summary::-webkit-details-marker{ display:none; }
.faq-list summary::after{ content:"+"; position:absolute; right:6px; top:20px; font-family:var(--mono); color:var(--signal); font-size:20px; transition:transform .25s; }
.faq-list details[open] summary::after{ transform:rotate(45deg); }
.faq-list details p{ padding:0 0 24px; color:#B9BCC3; max-width:68ch; }
.faq-list details a{ color:var(--signal); text-decoration:underline; }

@media (max-width:1080px){
  .svc-grid{ grid-template-columns:1fr 1fr; }
  .about-teaser, .story-grid{ grid-template-columns:1fr; gap:40px; }
  .story .founder{ position:static; }
}
@media (max-width:800px){
  .tiles{ grid-template-columns:1fr 1fr; }
  .svc{ grid-template-columns:1fr; gap:24px; }
}
@media (max-width:640px){
  .ph{ padding:116px 0 52px; }
  .tiles, .svc-grid{ grid-template-columns:1fr; }
  .svc-card-main, .svc-card-partner{ grid-column:auto; }
  .svc-partner{ padding:28px 22px; }
  .cta-band{ padding:64px 0; }
}
.cta h1{ font-size:clamp(56px,8.5vw,128px); letter-spacing:-.055em; line-height:.92; font-weight:500; }
.cta h1 em{ color:var(--on-signal); font-family:var(--sans); font-style:normal; font-weight:600; }