/* DCS Reach — shared sections, sub-pages and the grey dark mode. Loaded after home.css. */

/* ---------- header extras ---------- */
.nav a[aria-current]{color:var(--ink);font-weight:600}
.theme{width:34px;height:34px;display:grid;place-items:center;border:1px solid var(--line-2);border-radius:12px;background:rgba(255,255,255,.55);color:var(--ink-2);cursor:pointer;transition:background .2s}
.theme:hover{background:var(--paper)}
.theme svg{width:16px;height:16px}
.theme .moon,[data-theme=dark] .theme .sun{display:none}
[data-theme=dark] .theme .moon{display:block}
.mnav{display:none}
@media (max-width:1100px){
  .burger{display:flex;margin-left:0}
  .mnav{position:fixed;inset:var(--head) 0 auto 0;z-index:59;background:var(--bg);border-bottom:1px solid var(--line);padding:12px var(--gut) 22px;flex-direction:column;box-shadow:0 30px 60px -30px rgba(0,0,0,.35)}
  .mnav.open{display:flex}
  .mnav a{padding:13px 4px;border-bottom:1px solid var(--line);font-weight:500}
  .mnav .btn{margin-top:16px;border:0}
}

/* ---------- section scaffolding ---------- */
.sec{position:relative;padding:clamp(72px,8vw,136px) 0;border-top:1px solid var(--line)}
.sec.tint{background:linear-gradient(180deg,rgba(255,255,255,.45),rgba(255,255,255,0))}
.sec-head{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:clamp(24px,5vw,96px);align-items:end;margin-bottom:clamp(40px,5vw,72px)}
.sec-head.solo{grid-template-columns:minmax(0,1fr);max-width:920px}
.eyebrow .n{color:var(--ink)}
.h2{margin:0;font-size:clamp(34px,3.6vw,68px);font-weight:600;letter-spacing:-.04em;line-height:1.02}
.h2 em.s{color:var(--ink-2)}
.h3{margin:0;font-size:20px;font-weight:600;letter-spacing:-.02em;line-height:1.25}
.sec-head p,.lead-2{margin:0;font-size:clamp(16px,1.1vw,19px);line-height:1.6;color:var(--ink-2);max-width:560px}
.muted{color:var(--muted)}
.mono{font-family:var(--mono)}

/* cards */
.grid{display:grid;gap:18px}
.g2{grid-template-columns:repeat(2,minmax(0,1fr))}
.g3{grid-template-columns:repeat(3,minmax(0,1fr))}
.g4{grid-template-columns:repeat(4,minmax(0,1fr))}
.card{position:relative;background:var(--paper);border:1px solid var(--line);border-radius:22px;padding:28px;transition:transform .35s var(--ease),box-shadow .35s,border-color .35s}
a.card:hover,.card.hov:hover{transform:translateY(-4px);box-shadow:0 30px 60px -36px rgba(30,32,36,.45);border-color:var(--line-2)}
.card p{margin:10px 0 0;color:var(--ink-2);font-size:15px;line-height:1.6}
.card .ctag{position:absolute;top:22px;right:22px;font:500 10.5px var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--muted);border:1px solid var(--line-2);border-radius:99px;padding:4px 9px}
.tile{width:46px;height:46px;border-radius:13px;display:grid;place-items:center;background:var(--bg);border:1px solid var(--line);margin-bottom:22px;color:var(--ink-2)}
.tile svg{width:22px;height:22px}
.more{display:inline-flex;align-items:center;gap:8px;margin-top:20px;font:600 14px var(--sans);color:var(--ink)}
.more .arr{transition:transform .25s var(--ease)}
a:hover .more .arr,.more:hover .arr{transform:translateX(3px)}
.num{font:500 11px var(--mono);letter-spacing:.12em;color:var(--muted)}

/* product lanes on home */
.lanes .card{min-height:250px;display:flex;flex-direction:column}
.lanes .card .more{margin-top:auto;padding-top:20px}

/* compare: credits vs DCS */
.cmp{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.cmp .card{padding:34px}
.cmp ul{list-style:none;margin:22px 0 0;padding:0;display:grid;gap:14px}
.cmp li{display:flex;gap:12px;align-items:flex-start;font-size:15.5px;line-height:1.5;color:var(--ink-2)}
.cmp li i{flex:none;width:22px;height:22px;border-radius:50%;display:grid;place-items:center;font:700 11px var(--sans);font-style:normal;margin-top:1px}
.cmp .bad{background:transparent;border-style:dashed}
.cmp .bad li{color:var(--muted)}
.cmp .bad li i{border:1px solid var(--line-2);color:var(--muted)}
.cmp .good li i{background:var(--ink-2);color:#fff}
.cmp .h3 small{display:block;font:500 11px var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin-bottom:8px}

/* steps */
.steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(var(--n,5),minmax(0,1fr));gap:18px;counter-reset:s;position:relative}
.steps::before{content:"";position:absolute;left:23px;right:23px;top:23px;height:1px;background:repeating-linear-gradient(90deg,var(--line-2) 0 6px,transparent 6px 12px)}
.steps li{position:relative}
.steps li .k{position:relative;width:46px;height:46px;border-radius:50%;display:grid;place-items:center;background:var(--paper);border:1px solid var(--line-2);font:600 13px var(--mono);color:var(--ink);margin-bottom:22px}
.steps li:last-child .k{background:var(--ink-2);color:#fff;border-color:var(--ink-2)}
.steps p{margin:8px 0 0;color:var(--ink-2);font-size:15px;line-height:1.55}

/* logo wall */
.logos{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px}
.lg{display:flex;align-items:center;gap:12px;padding:14px 16px;border-radius:16px;background:var(--paper);border:1px solid var(--line);font-size:14px;font-weight:500;transition:transform .3s var(--ease),border-color .3s}
.lg:hover{transform:translateY(-2px);border-color:var(--line-2)}
.lg img,.lg .lt{flex:none;width:30px;height:30px;padding:5px;border-radius:9px;background:#fff;border:1px solid #E3E5E8;object-fit:contain}
.lg .lt{display:grid;place-items:center;font:700 12px var(--sans);color:#2A2D32}
.lg.wide{grid-column:span 2;background:var(--bg);border-style:dashed}
.note{margin-top:20px;font-size:14px;color:var(--muted);max-width:760px}

/* templates */
.tpl .card{display:flex;flex-direction:column;min-height:220px}
.tpl .chain{display:flex;gap:6px;margin-bottom:20px}
.tpl .chain img,.tpl .chain .lt{width:30px;height:30px;padding:5px;border-radius:9px;background:#fff;border:1px solid #E3E5E8;object-fit:contain}
.tpl .chain .lt{display:grid;place-items:center;font:700 11px var(--sans);color:#2A2D32}
.tpl .more{margin-top:auto;padding-top:18px}

/* pricing */
.plans{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;align-items:stretch}
.plan{display:flex;flex-direction:column;padding:34px}
.plan .pn{font:600 13px var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.plan .pr{margin:18px 0 6px;font-size:54px;font-weight:600;letter-spacing:-.04em;line-height:1}
.plan .pr small{font-size:16px;font-weight:500;letter-spacing:0;color:var(--muted);margin-left:4px}
.plan ul{list-style:none;margin:24px 0 30px;padding:0;display:grid;gap:11px}
.plan li{display:flex;gap:10px;font-size:15px;color:var(--ink-2)}
.plan li::before{content:"✓";font-weight:700;color:var(--ink)}
.plan .btn{margin-top:auto}
.plan.hot{border:1.5px solid var(--ink-2);box-shadow:0 40px 80px -46px rgba(30,32,36,.55)}
.plan.hot .ctag{background:var(--ink-2);color:#fff;border-color:var(--ink-2)}
.fine{margin-top:22px;font:500 12px var(--mono);letter-spacing:.06em;color:var(--muted);text-align:center}

/* ledger + modes */
.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(28px,5vw,90px);align-items:center}
.modes{display:grid;gap:14px;margin-top:30px}
.modes .card{padding:22px 24px}
.modes .card b{display:block;font-size:16px;margin-bottom:4px}
.ledger{background:var(--paper);border:1px solid var(--line);border-radius:22px;overflow:hidden;box-shadow:0 50px 100px -60px rgba(30,32,36,.55)}
.ledger .lh{display:flex;justify-content:space-between;align-items:center;padding:16px 22px;background:var(--bg);border-bottom:1px solid var(--line);font:500 11px var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.ledger .lh i{font-style:normal;border:1px solid var(--line-2);border-radius:99px;padding:3px 9px}
.ledger .lr{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:15px 22px;border-bottom:1px solid var(--line);font-size:14.5px;color:var(--ink-2)}
.ledger .lr span{display:flex;align-items:center;gap:10px}
.ledger .lr img{width:22px;height:22px;padding:3px;border-radius:7px;background:#fff;border:1px solid #E3E5E8}
.ledger .lr b{font:500 13px var(--mono);color:var(--ink)}
.ledger .lt-row{background:var(--bg);font-weight:600;color:var(--ink)}
.ledger .zero b{color:var(--ink)}
.ledger .rc{display:flex;align-items:center;gap:12px;padding:16px 22px;font:500 12px var(--mono);color:var(--muted)}
.ledger .rc b{display:grid;place-items:center;width:22px;height:22px;border-radius:50%;background:var(--ink-2);color:#fff;font:700 11px var(--sans)}

/* receipt anatomy */
.rcpt{background:var(--paper);border:1px solid var(--line);border-radius:22px;padding:26px;font:400 13px/1.9 var(--mono);color:var(--ink-2);box-shadow:0 50px 100px -60px rgba(30,32,36,.55)}
.rcpt .top{display:flex;align-items:center;gap:12px;font:600 15px var(--sans);color:var(--ink);margin-bottom:14px}
.rcpt .top b{display:grid;place-items:center;width:30px;height:30px;border-radius:50%;background:var(--ink-2);color:#fff}
.rcpt dl{margin:0;display:grid;grid-template-columns:110px 1fr;row-gap:2px;border-top:1px dashed var(--line-2);padding-top:12px}
.rcpt dt{color:var(--muted)}.rcpt dd{margin:0;color:var(--ink);word-break:break-all}

/* faq */
.faq{display:grid;gap:12px;max-width:980px}
.faq details{background:var(--paper);border:1px solid var(--line);border-radius:18px;padding:0 24px}
.faq summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:16px;padding:22px 0;font-size:17px;font-weight:600}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font:400 24px var(--sans);color:var(--muted);transition:transform .3s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{margin:0 0 22px;color:var(--ink-2);line-height:1.65;max-width:760px}

/* call to action band */
.cta-band{position:relative;overflow:hidden;border-radius:28px;padding:clamp(44px,6vw,96px);background:var(--paper);border:1px solid var(--line);text-align:center}
.cta-band::before{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(42,45,50,.12) 1px,transparent 1.5px);background-size:22px 22px;-webkit-mask-image:radial-gradient(ellipse 70% 80% at 50% 50%,#000,transparent 75%);mask-image:radial-gradient(ellipse 70% 80% at 50% 50%,#000,transparent 75%);pointer-events:none}
.cta-band>*{position:relative}
.cta-band .h2{max-width:900px;margin:0 auto}
.cta-band p{margin:18px auto 30px;color:var(--ink-2);font-size:18px}
.cta-band .cta{justify-content:center}

/* ---------- sub-page hero ---------- */
.phero{position:relative;overflow:hidden;padding:clamp(64px,8vw,128px) 0 clamp(56px,6vw,96px)}
.phero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(42,45,50,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(42,45,50,.05) 1px,transparent 1px);background-size:56px 56px;-webkit-mask-image:radial-gradient(ellipse 60% 80% at 80% 30%,#000 20%,transparent 75%);mask-image:radial-gradient(ellipse 60% 80% at 80% 30%,#000 20%,transparent 75%);pointer-events:none}
.phero .wrap{position:relative}
.crumb{display:flex;gap:8px;align-items:center;font:500 11.5px var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin-bottom:24px}
.crumb a:hover{color:var(--ink)}
.phero h1{font-size:clamp(44px,5.4vw,104px);letter-spacing:-.045em;max-width:1100px}
.phero h1 em.s{color:var(--ink-2)}
.phero .lead{font-size:clamp(17px,1.25vw,22px);line-height:1.55;color:var(--ink-2);max-width:720px;margin:26px 0 34px}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:30px}
.chips span{font:500 12px var(--mono);padding:7px 12px;border-radius:99px;border:1px solid var(--line-2);background:rgba(255,255,255,.5);color:var(--ink-2)}

/* product page: 3 steps */
.three{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.three .card .k{font:600 12px var(--mono);color:var(--muted);letter-spacing:.12em}
.three .card .h3{margin-top:14px}

/* sibling nav */
.sibs{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:12px}
.sibs a{display:flex;justify-content:space-between;align-items:center;padding:18px 20px;border-radius:16px;border:1px solid var(--line);background:var(--paper);font-weight:600;transition:border-color .3s,transform .3s var(--ease)}
.sibs a:hover{border-color:var(--line-2);transform:translateY(-2px)}
.sibs a span{font:500 11px var(--mono);color:var(--muted);letter-spacing:.08em}

/* docs */
.docs{display:grid;grid-template-columns:240px minmax(0,1fr);gap:clamp(30px,5vw,90px);align-items:start}
.toc{position:sticky;top:calc(var(--head) + 24px);display:grid;gap:2px;font-size:14px}
.toc b{font:600 11px var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin:16px 0 6px}
.toc b:first-child{margin-top:0}
.toc a{padding:7px 12px;border-radius:9px;color:var(--ink-2)}
.toc a:hover,.toc a.on{background:var(--paper);color:var(--ink)}
.prose{max-width:820px}
.prose h2{margin:64px 0 14px;font-size:30px;letter-spacing:-.03em;line-height:1.15;scroll-margin-top:calc(var(--head) + 24px)}
.prose h2:first-child{margin-top:0}
.prose h3{margin:30px 0 8px;font-size:19px}
.prose p,.prose li{color:var(--ink-2);line-height:1.7;font-size:16px}
.prose ol,.prose ul{padding-left:22px}
.prose li{margin:6px 0}
.prose li b{color:var(--ink)}
.prose table{width:100%;border-collapse:collapse;margin:18px 0;font-size:14.5px;background:var(--paper);border:1px solid var(--line);border-radius:14px;overflow:hidden}
.prose th,.prose td{text-align:left;padding:12px 16px;border-bottom:1px solid var(--line);vertical-align:top;color:var(--ink-2)}
.prose th{font:600 11px var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--muted);background:var(--bg)}
.prose td b{color:var(--ink)}
.tip{display:flex;gap:12px;padding:16px 18px;border-radius:14px;border:1px dashed var(--line-2);background:var(--paper);margin:18px 0;color:var(--ink-2);font-size:15px;line-height:1.6}
.tip b{color:var(--ink)}
.prose code{font:500 13px var(--mono);background:var(--paper);border:1px solid var(--line);padding:2px 6px;border-radius:6px}

/* blog */
.post-list{display:grid;gap:14px;max-width:980px}
.post-list a{display:grid;grid-template-columns:150px 1fr auto;gap:24px;align-items:center;padding:28px;border-radius:22px;background:var(--paper);border:1px solid var(--line);transition:border-color .3s,transform .3s var(--ease)}
.post-list a:hover{border-color:var(--line-2);transform:translateY(-2px)}
.post-list time{font:500 12px var(--mono);color:var(--muted)}
.post-list b{display:block;font-size:22px;letter-spacing:-.02em;margin-bottom:6px}
.post-list p{margin:0;color:var(--ink-2)}
.article{max-width:760px}
.article p{font-size:18.5px;line-height:1.75;color:var(--ink-2);margin:0 0 1.3em}
.article .meta{font:500 12px var(--mono);color:var(--muted);letter-spacing:.06em;margin-bottom:34px}

/* footer */
.site-foot{border-top:1px solid var(--line);padding:clamp(56px,6vw,96px) 0 34px;margin-top:0}
.foot-top{display:grid;grid-template-columns:minmax(0,1.3fr) repeat(4,minmax(0,1fr));gap:36px}
.foot-top p{margin:18px 0 0;color:var(--muted);font-size:14.5px;line-height:1.6;max-width:340px}
.foot-top h4{margin:0 0 14px;font:600 11px var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.foot-top ul{list-style:none;margin:0;padding:0;display:grid;gap:9px;font-size:14.5px}
.foot-top ul a{color:var(--ink-2)}
.foot-top ul a:hover{color:var(--ink)}
.foot-bot{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-top:56px;padding-top:24px;border-top:1px solid var(--line);font:500 12px var(--mono);color:var(--muted)}

/* reveal for sections */
.sec .rv,.phero .rv,.site-foot .rv{transition-duration:1s}

/* ---------- responsive ---------- */
@media (max-width:1100px){
  .g4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .steps::before{display:none}
  .foot-top{grid-template-columns:repeat(2,minmax(0,1fr))}
  .foot-top>div:first-child{grid-column:1/-1}
}
@media (max-width:860px){
  .sec-head,.split,.docs{grid-template-columns:minmax(0,1fr)}
  .g2,.g3,.cmp,.plans,.three{grid-template-columns:minmax(0,1fr)}
  .toc{position:static;grid-template-columns:repeat(2,minmax(0,1fr))}
  .toc b{grid-column:1/-1}
  .post-list a{grid-template-columns:1fr}
}
@media (max-width:560px){
  .g4,.steps{grid-template-columns:minmax(0,1fr)}
  .lg.wide{grid-column:auto}
  .head-cta .theme{display:grid}
}

/* =========================================================
   Dark mode — graphite greys, never pure black
   ========================================================= */
[data-theme=dark]{
  --bg:#1F2124; --paper:#282B2F; --ink:#ECEDEF; --ink-2:#C3C7CC; --muted:#8F959C; --faint:#6C7279;
  --line:#33373C; --line-2:#43484E;
  color-scheme:dark;
}
[data-theme=dark] body{background:var(--bg)}
[data-theme=dark] .site-head{background:rgba(31,33,36,.82)}
[data-theme=dark] .pill,[data-theme=dark] .theme,[data-theme=dark] .btn-ghost,[data-theme=dark] .chips span{background:rgba(255,255,255,.04)}
[data-theme=dark] .btn-ink{background:#E4E6E9;color:#1F2124}
[data-theme=dark] .btn-ink:hover{box-shadow:0 12px 26px -12px rgba(0,0,0,.8)}
[data-theme=dark] .btn-ghost:hover{background:var(--paper)}
[data-theme=dark] .burger{background:var(--paper)}
[data-theme=dark] .sec.tint{background:linear-gradient(180deg,rgba(255,255,255,.025),transparent)}
[data-theme=dark] .cmp .good li i,[data-theme=dark] .steps li:last-child .k,[data-theme=dark] .ledger .rc b,[data-theme=dark] .rcpt .top b,[data-theme=dark] .plan.hot .ctag{background:#C3C7CC;color:#1F2124;border-color:#C3C7CC}
[data-theme=dark] .plan.hot{border-color:#8F959C}
[data-theme=dark] .cta-band::before,[data-theme=dark] .phero::before{opacity:.5;filter:invert(1)}
[data-theme=dark] .card,[data-theme=dark] .ledger,[data-theme=dark] .rcpt{box-shadow:none}

/* dark hero: same assembly line in graphite */

/* Company addresses, same as dcsai.ai and dcslabs.ai */
.foot-bot{row-gap:6px}
.foot-bot .foot-addr{flex-basis:100%;font-size:11px;opacity:.85}
.foot-bot .foot-addr:first-of-type{margin-top:8px}