/* ============================================================
   Sentinel — Features overview (single-page roadmap / Gantt)
   Extends site.css (forest/signal · Geist · Fraunces).
   ============================================================ */

/* ---------- dark hero ---------- */
.ov-hero{position:relative;overflow:hidden;color:var(--bone);
  background:
    radial-gradient(at 84% 12%, rgba(61,213,152,.26) 0%, transparent 46%),
    radial-gradient(at 6% 92%, rgba(30,93,68,.5) 0%, transparent 56%),
    var(--forest);}
.ov-hero__grain{position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:radial-gradient(rgba(255,255,255,.04) 1px,transparent 1px);background-size:3px 3px}
.ov-hero .wrap{position:relative;z-index:2;padding-top:clamp(44px,6.5vw,78px);padding-bottom:clamp(30px,4vw,46px)}
.ov-hero h1{font-family:var(--f-display);font-weight:300;letter-spacing:-.03em;line-height:1.0;
  font-size:clamp(36px,5.2vw,66px);margin:18px 0 0;max-width:20ch}
.ov-hero h1 em{font-style:italic;color:var(--signal)}
.ov-hero__sub{margin-top:20px;font-size:clamp(16px,1.5vw,19px);line-height:1.6;
  color:rgba(245,243,236,.78);max-width:62ch}

/* ---------- master progress ---------- */
.ov-master{position:relative;z-index:2;margin-top:clamp(28px,3.4vw,40px)}
.ov-master__head{display:flex;align-items:baseline;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:14px}
.ov-master__pct{display:flex;align-items:baseline;gap:14px}
.ov-master__pct .big{font-family:var(--f-display);font-weight:300;font-size:clamp(44px,5.6vw,64px);line-height:1;letter-spacing:-.02em;color:var(--bone)}
.ov-master__pct .big b{color:var(--signal);font-weight:300}
.ov-master__pct .cap{font-family:var(--f-mono);font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--slate-lt);max-width:18ch;line-height:1.4}
.ov-master__legend{display:flex;gap:20px;flex-wrap:wrap;font-family:var(--f-mono);font-size:11.5px;letter-spacing:.04em;color:rgba(245,243,236,.7)}
.ov-master__legend .it{display:flex;align-items:center;gap:8px}
.lg{width:11px;height:11px;border-radius:3px;flex:none}
.lg.built{background:var(--signal)}
.lg.progress{background:var(--watch)}
.lg.planned{background:transparent;border:1.5px solid rgba(245,243,236,.45)}
.ov-master__bar{height:20px;border-radius:7px;overflow:hidden;display:flex;background:rgba(0,0,0,.28);
  border:1px solid var(--hairline-dk)}
.ov-master__bar i{display:block;height:100%}
.ov-master__bar i.built{background:linear-gradient(180deg,var(--signal),var(--signal-dk))}
.ov-master__bar i.progress{background:var(--watch)}
.ov-master__bar i.planned{background:repeating-linear-gradient(135deg,rgba(245,243,236,.16) 0 6px,rgba(245,243,236,.05) 6px 12px)}

/* ---------- testing coverage strip ---------- */
.ov-testing{position:relative;z-index:2;margin-top:18px;display:flex;flex-direction:column;gap:13px;
  padding:16px 18px;border:1px solid var(--hairline-dk);border-radius:12px;background:rgba(0,0,0,.16)}
.ov-testing__top{display:flex;align-items:center;gap:20px;flex-wrap:wrap}
.ov-testing__note{display:flex;align-items:flex-start;gap:9px;font-size:12.5px;line-height:1.46;color:rgba(245,243,236,.76);
  padding:10px 13px;border-radius:9px;background:rgba(224,164,58,.1);border:1px solid rgba(224,164,58,.32)}
.ov-testing__note svg{width:15px;height:15px;color:var(--watch);flex:none;margin-top:1px}
.ov-testing__note b{color:var(--bone);font-weight:600}
.ov-testing__lab{display:flex;align-items:center;gap:9px;font-family:var(--f-mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--slate-lt);flex:none}
.ov-testing__lab svg{width:15px;height:15px;color:var(--signal)}
.ov-testing__bar{flex:1 1 220px;height:12px;border-radius:6px;overflow:hidden;display:flex;background:rgba(0,0,0,.28);border:1px solid var(--hairline-dk);min-width:160px}
.ov-testing__bar i{display:block;height:100%}
.ov-testing__bar i.tested{background:repeating-linear-gradient(135deg,var(--signal) 0 7px,var(--signal-dk) 7px 14px)}
.ov-testing__bar i.untested{background:var(--watch)}
.ov-testing__bar i.unbuilt{background:repeating-linear-gradient(135deg,rgba(245,243,236,.16) 0 6px,rgba(245,243,236,.05) 6px 12px)}
.ov-testing__keys{display:flex;gap:16px;flex-wrap:wrap;font-family:var(--f-mono);font-size:11px;color:rgba(245,243,236,.72)}
.ov-testing__keys .it{display:flex;align-items:center;gap:7px}
.ov-testing__keys .it b{color:var(--bone);font-weight:600}
.ov-testing__keys .d{width:9px;height:9px;border-radius:3px;flex:none}
.ov-testing__keys .d.tested{background:var(--signal)}
.ov-testing__keys .d.untested{background:var(--watch)}
.ov-testing__keys .d.unbuilt{background:transparent;border:1.5px solid rgba(245,243,236,.4)}
.ov-testing__keys .d.formal{background:transparent;border:1.5px dashed rgba(245,243,236,.55)}

/* ---------- phase milestone cards ---------- */
.ov-phases{position:relative;z-index:2;display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:22px;padding-bottom:6px}
.ov-phase{border:1px solid var(--hairline-dk);border-radius:13px;padding:20px 22px;background:rgba(0,0,0,.16);position:relative;overflow:hidden}
.ov-phase.is-now{border-color:rgba(61,213,152,.5);background:rgba(61,213,152,.07)}
.ov-phase__k{display:flex;align-items:center;gap:9px;font-family:var(--f-mono);font-size:11px;letter-spacing:.13em;text-transform:uppercase;color:var(--slate-lt)}
.ov-phase.is-now .ov-phase__k{color:var(--signal)}
.ov-phase__k .pulse{width:8px;height:8px;border-radius:50%;background:var(--signal);box-shadow:0 0 0 0 rgba(61,213,152,.55);animation:ovpulse 2.6s ease-out infinite}
@keyframes ovpulse{0%{box-shadow:0 0 0 0 rgba(61,213,152,.5)}70%{box-shadow:0 0 0 9px rgba(61,213,152,0)}100%{box-shadow:0 0 0 0 rgba(61,213,152,0)}}
@media(prefers-reduced-motion:reduce){.ov-phase__k .pulse{animation:none}}
.ov-phase__v{font-family:var(--f-display);font-weight:300;font-size:clamp(30px,3.4vw,42px);line-height:1;letter-spacing:-.02em;color:var(--bone);margin:14px 0 4px}
.ov-phase__v small{font-size:.42em;font-family:var(--f-mono);color:var(--slate-lt);letter-spacing:.04em;margin-left:6px}
.ov-phase__sub{font-size:13.5px;line-height:1.45;color:rgba(245,243,236,.66)}
@media(max-width:760px){.ov-phases{grid-template-columns:1fr}}

/* ============================================================
   GANTT / ROADMAP MATRIX
   ============================================================ */
.ov-gantt{padding-top:clamp(30px,4vw,48px);padding-bottom:clamp(60px,8vw,104px)}
.ov-gantt__intro{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:22px}
.ov-gantt__intro h2{font-family:var(--f-display);font-weight:300;font-size:clamp(26px,3vw,38px);letter-spacing:-.02em;color:var(--forest);line-height:1.05}
.ov-gantt__intro p{font-size:15px;color:var(--graphite);max-width:42ch;line-height:1.5;margin-top:6px}
.ov-gantt__tools{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.ov-expandall{display:inline-flex;align-items:center;gap:8px;height:40px;padding:0 16px;font:inherit;font-size:13px;font-weight:500;
  color:var(--forest);cursor:pointer;background:var(--chalk);border:1px solid var(--hairline);border-radius:8px;transition:.15s}
.ov-expandall:hover{border-color:var(--graphite)}
.ov-expandall svg{width:14px;height:14px;transition:transform .2s}
.ov-expandall.on svg{transform:rotate(180deg)}

/* column scale: label | MVP | Next | Future */
.ov-cols{--c-label:300px;--c-mvp:1.7fr;--c-next:1fr;--c-future:1fr;
  display:grid;grid-template-columns:var(--c-label) var(--c-mvp) var(--c-next) var(--c-future);}

/* sticky lane header */
.ov-lanehead{position:sticky;top:64px;z-index:30;background:var(--bone);
  border-bottom:1.5px solid var(--hairline-dk);padding-top:8px}
.ov-lanehead .lh{padding:10px 18px;font-family:var(--f-mono);font-size:11.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--graphite);position:relative}
.ov-lanehead .lh.tl{display:flex;align-items:center;gap:8px;color:var(--slate)}
.ov-lanehead .lh.phase{border-left:1px solid var(--hairline)}
.ov-lanehead .lh.now{color:var(--signal-dk)}
.ov-lanehead .lh .lhn{display:flex;align-items:center;gap:8px}
.ov-lanehead .lh .tag{font-size:9.5px;letter-spacing:.08em;padding:2px 7px;border-radius:20px;background:rgba(61,213,152,.12);color:var(--signal-dk);border:1px solid rgba(21,156,110,.3)}
.ov-lanehead .lh .c{color:var(--slate-lt);margin-left:7px}

/* rows */
.ov-row{border-bottom:1px solid var(--hairline);transition:background .15s}
.ov-row__head{cursor:pointer;-webkit-tap-highlight-color:transparent}
.ov-row__head:hover{background:var(--chalk)}
.ov-row.open{background:var(--chalk)}
.ov-row.open .ov-row__head{background:var(--chalk)}
.ov-row__inner{align-items:stretch}
.ov-row .cell{padding:18px 18px;display:flex;flex-direction:column;justify-content:center;min-width:0}
.ov-row .cell.phase{border-left:1px solid var(--hairline)}

/* label cell */
.ov-lab{gap:10px !important}
.ov-lab__top{display:flex;align-items:center;gap:13px}
.ov-lab__ic{width:42px;height:42px;border-radius:10px;border:1px solid var(--hairline);background:var(--chalk);display:grid;place-items:center;flex:none}
.ov-lab__ic svg{width:21px;height:21px;color:var(--accent-dk)}
.ov-row:hover .ov-lab__ic, .ov-row.open .ov-lab__ic{background:var(--forest);border-color:var(--forest)}
.ov-row:hover .ov-lab__ic svg, .ov-row.open .ov-lab__ic svg{color:var(--signal)}
.ov-lab__name{min-width:0}
.ov-lab__name h3{font-family:var(--f-display);font-weight:400;font-size:19px;letter-spacing:-.01em;color:var(--forest);line-height:1.1}
.ov-lab__name .n{font-family:var(--f-mono);font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--slate);margin-top:3px}
.ov-lab__mods{display:flex;flex-wrap:wrap;gap:5px;padding-left:55px}
.ov-chip{font-family:var(--f-sans);font-size:11.5px;letter-spacing:-.005em;color:var(--graphite);
  background:var(--chalk);border:1px solid var(--hairline);border-radius:20px;padding:3px 9px;white-space:nowrap}
.ov-chip b{color:var(--slate-lt);font-weight:500;font-family:var(--f-mono);font-size:10px;margin-left:4px}

/* MVP bar */
.ov-bar{height:26px;border-radius:7px;overflow:hidden;display:flex;background:var(--paper);
  border:1px solid var(--hairline);min-width:8px}
.ov-bar i{display:block;height:100%}
.ov-bar i.built{background:linear-gradient(180deg,var(--signal) -10%,var(--signal-dk))}
.ov-bar i.progress{background:var(--watch)}
.ov-bar i.planned{background:repeating-linear-gradient(135deg,var(--slate-lt) 0 6px,#cfd6d2 6px 12px)}
.ov-mvp__row{display:flex;align-items:center;gap:14px}
.ov-mvp__track{flex:1;min-width:0}
.ov-mvp__count{flex:none;text-align:right;font-family:var(--f-display);font-weight:300;font-size:26px;line-height:1;letter-spacing:-.02em;color:var(--forest);min-width:34px}
.ov-mvp__note{display:flex;gap:12px;flex-wrap:wrap;margin-top:9px;font-family:var(--f-mono);font-size:10.5px;letter-spacing:.03em;color:var(--graphite)}
.ov-mvp__note .nb{display:flex;align-items:center;gap:6px}
.ov-mvp__note .nb .d{width:8px;height:8px;border-radius:50%;flex:none}
.ov-mvp__note .nb.b .d{background:var(--signal-dk)}
.ov-mvp__note .nb.p .d{background:var(--watch)}
.ov-mvp__note .nb.n .d{background:transparent;border:1.5px solid var(--slate)}
.ov-mvp__note .nb b{color:var(--forest);font-weight:600}
.ov-mvp__done{display:inline-flex;align-items:center;gap:7px;font-family:var(--f-mono);font-size:10.5px;letter-spacing:.05em;text-transform:uppercase;color:var(--signal-dk);margin-top:9px}
.ov-mvp__done svg{width:13px;height:13px}

/* Next / Future cells */
.ov-plan__empty{font-family:var(--f-mono);font-size:13px;color:var(--slate-lt);opacity:.6}
.ov-plan__bar{height:10px;border-radius:5px;border:1.4px dashed var(--slate-lt);background:repeating-linear-gradient(135deg,rgba(107,122,120,.1) 0 5px,transparent 5px 10px);margin-bottom:11px}
.ov-plan.next .ov-plan__bar{border-color:var(--signal-dk);background:repeating-linear-gradient(135deg,rgba(61,213,152,.14) 0 5px,transparent 5px 10px)}
.ov-plan__list{display:flex;flex-direction:column;gap:7px}
.ov-plan__it{display:flex;align-items:flex-start;gap:9px;font-size:12.5px;line-height:1.35;color:var(--forest-2);letter-spacing:-.005em}
.ov-plan__it .d{margin-top:4px;width:7px;height:7px;border-radius:50%;flex:none;border:1.4px solid var(--slate-lt);background:transparent}
.ov-plan.next .ov-plan__it .d{border-color:var(--signal-dk)}
.ov-plan__head{display:flex;align-items:baseline;gap:8px;margin-bottom:10px}
.ov-plan__head .pc{font-family:var(--f-display);font-weight:300;font-size:22px;line-height:1;color:var(--forest);letter-spacing:-.02em}
.ov-plan__head .pl{font-family:var(--f-mono);font-size:10px;letter-spacing:.08em;text-transform:uppercase;color:var(--slate)}

/* responsive: collapse the timeline into stacked blocks */
@media(max-width:1080px){
  .ov-cols{--c-label:1fr;--c-mvp:1fr;display:grid;grid-template-columns:1fr}
  .ov-lanehead{display:none}
  .ov-row .cell{padding:14px 16px}
  .ov-row .cell.phase{border-left:0;border-top:1px dashed var(--hairline)}
  .ov-row .cell.lab{padding-bottom:6px}
  .ov-lab__mods{padding-left:0}
  .ov-plan__empty{display:none}
  .ov-row .cell.phase.is-empty{display:none}
  .ov-plan__head .pl::after{content:" planned"}
  .ov-detail__grid{grid-template-columns:1fr !important}
}

/* ---------- expand chevron + label header ---------- */
.ov-lab__head{display:flex;align-items:center;gap:13px;width:100%}
.ov-lab__chev{margin-left:auto;width:30px;height:30px;border-radius:8px;border:1px solid var(--hairline);
  display:grid;place-items:center;color:var(--graphite);flex:none;transition:transform .25s cubic-bezier(.16,1,.3,1),background .15s,border-color .15s}
.ov-lab__chev svg{width:17px;height:17px}
.ov-row__head:hover .ov-lab__chev{border-color:var(--graphite);background:var(--bone)}
.ov-row.open .ov-lab__chev{transform:rotate(180deg);background:var(--forest);border-color:var(--forest);color:var(--signal)}

/* per-area testing chip (in MVP note row) */
.ov-testchip{display:inline-flex;align-items:center;gap:6px;font-family:var(--f-mono);font-size:10.5px;letter-spacing:.03em;
  color:var(--graphite);padding:2px 8px;border-radius:20px;background:var(--paper);border:1px solid var(--hairline)}
.ov-testchip svg{width:11px;height:11px;color:var(--signal-dk)}
.ov-testchip b{color:var(--forest);font-weight:600}
.ov-testchip.warn{background:rgba(224,164,58,.12);border-color:rgba(224,164,58,.4)}
.ov-testchip.warn svg{color:var(--watch)}

/* ---------- expandable detail panel ---------- */
.ov-detail{display:none;padding:6px clamp(14px,2vw,24px) clamp(22px,2.6vw,30px);border-top:1px dashed var(--hairline-dk)}
.ov-row.open .ov-detail{display:block}
.ov-detail__grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(360px,1fr));gap:14px;margin-top:18px}
.ov-mcard{background:var(--bone);border:1px solid var(--hairline);border-radius:11px;padding:16px 18px 12px;align-self:start}
.ov-mcard__h{display:flex;align-items:baseline;justify-content:space-between;gap:12px;padding-bottom:11px;margin-bottom:8px;border-bottom:1px solid var(--hairline)}
.ov-mcard__h h4{font-weight:600;font-size:14.5px;letter-spacing:-.01em;color:var(--forest)}
.ov-mcard__h .mb{display:flex;align-items:center;gap:6px;flex:none}
.ov-mcard__h .mb .mini{width:46px;height:6px;border-radius:4px;overflow:hidden;display:flex;background:var(--paper);border:1px solid var(--hairline)}
.ov-mcard__h .mb .mini i{display:block;height:100%}
.ov-mcard__h .mb .mini i.built{background:var(--signal-dk)}
.ov-mcard__h .mb .mini i.progress{background:var(--watch)}
.ov-mcard__h .mb .mini i.planned{background:var(--slate-lt)}
.ov-mcard__h .mb .c{font-family:var(--f-mono);font-size:10.5px;color:var(--graphite)}
.ov-fitem{display:flex;align-items:flex-start;gap:10px;padding:6px 0}
.ov-fitem + .ov-fitem{border-top:1px solid rgba(216,212,196,.5)}
.ov-fitem__dot{margin-top:5px;width:9px;height:9px;border-radius:50%;flex:none}
.ov-fitem__dot.built{background:var(--signal-dk)}
.ov-fitem__dot.progress{background:var(--watch);box-shadow:0 0 0 3px rgba(224,164,58,.16)}
.ov-fitem__dot.planned{background:transparent;border:1.5px solid var(--slate-lt)}
.ov-fitem__name{flex:1;min-width:0;font-size:13.5px;line-height:1.4;color:var(--forest-2);letter-spacing:-.005em}
.ov-fitem__badge{flex:none;margin-top:1px;font-family:var(--f-mono);font-size:9px;letter-spacing:.07em;text-transform:uppercase;padding:2px 7px;border-radius:4px;white-space:nowrap;display:inline-flex;align-items:center;gap:4px}
.ov-fitem__badge svg{width:9px;height:9px}
.ov-fitem__badge.informal{color:#8a6410;background:rgba(224,164,58,.14);border:1px solid rgba(224,164,58,.4)}
.ov-fitem__badge.untested{color:#8a6410;background:rgba(224,164,58,.14);border:1px solid rgba(224,164,58,.4)}
.ov-fitem__badge.prog{color:#8a6410;background:rgba(224,164,58,.14);border:1px solid rgba(224,164,58,.4)}
.ov-fitem__badge.plan{color:var(--graphite);background:var(--paper);border:1px solid var(--hairline)}