/* North Summyn — research page. Builds on styles.css tokens (ink / gold / snow / Montserrat). */

body.research{background:var(--ink)}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.r-h2{margin-bottom:clamp(40px,5vw,72px);font-weight:600;letter-spacing:-.04em;font-size:clamp(40px,6.4vw,104px);line-height:1;max-width:13em}
.r-h2 em{color:var(--gold)}
.r-h3{font-weight:500;font-size:13px;letter-spacing:.24em;text-transform:uppercase;color:var(--stone);margin-bottom:28px}
.r-note{font-size:13px;color:var(--stone);margin-top:22px;max-width:62ch;line-height:1.6}
.r-note.wide{margin-top:clamp(40px,5vw,72px)}
.r-intro{margin-bottom:clamp(36px,5vw,64px)}
.link-arrow.gold{color:var(--gold)}

/* reveal */
.js [data-reveal]{opacity:0;transform:translateY(28px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.js [data-reveal].in{opacity:1;transform:none}

/* ---------- Hero ---------- */
.r-hero{position:relative;min-height:100vh;min-height:100svh;display:flex;flex-direction:column;justify-content:flex-end;gap:clamp(36px,5vw,64px);padding:130px var(--pad) 40px;overflow:hidden;background:radial-gradient(120% 80% at 70% 0%,#16294A 0%,var(--ink) 60%)}
.net{position:absolute;inset:0;width:100%;height:100%;display:block}
.r-hero-body{position:relative;z-index:2;max-width:1200px;pointer-events:none}
.r-hero-body a{pointer-events:auto}
.eyebrow{display:inline-flex;align-items:center;gap:14px;font-size:11px;letter-spacing:.3em;text-transform:uppercase;color:var(--mist);margin-bottom:28px}
.eyebrow .dot{width:8px;height:8px;border-radius:50%;background:var(--gold);box-shadow:0 0 0 0 rgba(227,165,63,.6);animation:ping 2.4s infinite}
@keyframes ping{70%{box-shadow:0 0 0 12px rgba(227,165,63,0)}100%{box-shadow:0 0 0 0 rgba(227,165,63,0)}}
.r-title{font-family:var(--serif);font-weight:600;font-size:clamp(46px,9.6vw,164px);line-height:.94;letter-spacing:-.05em;margin-bottom:clamp(24px,3vw,40px)}
.r-title .line{display:block}
.r-title em{color:var(--gold)}
.r-lead{max-width:640px;font-size:clamp(16px,1.35vw,19px);color:#C9D1DC;margin-bottom:34px}
.r-lead strong{color:var(--snow);font-weight:500}
.r-hero-foot{display:flex;gap:clamp(24px,4vw,48px);flex-wrap:wrap}
.r-hero-stats{position:relative;z-index:2;display:grid;grid-template-columns:repeat(4,1fr);gap:24px;border-top:1px solid rgba(243,241,236,.16);padding-top:24px}
.r-hero-stats b{display:block;font-family:var(--serif);font-weight:500;font-size:clamp(34px,4vw,60px);line-height:1;letter-spacing:-.03em}
.r-hero-stats span{font-size:11px;letter-spacing:.26em;text-transform:uppercase;color:var(--stone)}

/* ---------- Findings ---------- */
.r-findings{background:var(--ink)}
.scoreboard{display:grid;grid-template-columns:1fr auto 1fr;align-items:stretch;gap:clamp(20px,4vw,56px);margin-bottom:clamp(60px,8vw,110px);padding:clamp(28px,4vw,56px);background:var(--ink-2);border:1px solid rgba(243,241,236,.1);border-radius:6px}
.score{display:flex;flex-direction:column;gap:10px}
.score-tag{font-size:11px;letter-spacing:.3em;text-transform:uppercase;color:var(--mist)}
.score-num{font-family:var(--serif);font-weight:600;font-size:clamp(72px,11vw,176px);line-height:.9;letter-spacing:-.05em}
.score-num::after{content:attr(data-suffix);font-size:.3em;letter-spacing:0;color:var(--stone);font-weight:400}
.score-num.gold{color:var(--gold)}
.score-sub{font-size:14px;color:var(--stone)}
.score-vs{width:1px;background:linear-gradient(transparent,rgba(243,241,236,.25),transparent)}
.finding-list{list-style:none;display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(24px,4vw,64px)}
.finding-list li{border-top:1px solid rgba(243,241,236,.18);padding-top:26px}
.f-no{font-family:var(--serif);font-size:56px;line-height:1;color:var(--gold);display:block}
.finding-list h3{font-weight:500;font-size:clamp(20px,1.7vw,24px);line-height:1.25;margin:22px 0 14px;letter-spacing:-.01em}
.finding-list p{color:#B9C3D0}
.finding-list strong{color:var(--snow);font-weight:500}

/* ---------- Flow diagram ---------- */
.r-flow{background:var(--ink-2);border-top:1px solid rgba(243,241,236,.08);border-bottom:1px solid rgba(243,241,236,.08)}
.flow-toggle{display:inline-flex;gap:6px;padding:6px;border:1px solid rgba(243,241,236,.2);border-radius:999px;margin-bottom:28px;max-width:100%;flex-wrap:wrap}
.flow-toggle button{font:inherit;font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--mist);background:none;border:0;border-radius:999px;padding:12px 22px;cursor:pointer;transition:background .4s,color .4s}
.flow-toggle button:hover{color:var(--snow)}
.flow-toggle button.on{background:var(--gold);color:var(--ink);font-weight:500}
.flow-toggle button:focus-visible{outline:2px solid var(--snow);outline-offset:2px}
.flow-stage{position:relative;border:1px solid rgba(243,241,236,.1);border-radius:6px;background:radial-gradient(90% 120% at 50% 0%,rgba(28,44,71,.7),rgba(10,18,32,.4));padding:clamp(12px,2vw,28px)}
.flow-svg{display:block;width:100%;height:auto;overflow:visible}
.flow-caption{margin-top:12px;min-height:3.2em;padding:0 clamp(4px,1vw,12px) 6px;font-size:clamp(14px,1.2vw,17px);color:#C9D1DC;max-width:70ch}
.flow-caption b{color:var(--gold);font-weight:500}

.fl-edge{fill:none;stroke:rgba(169,182,198,.35);stroke-width:1.4}
.fl-edge.dead{stroke-dasharray:3 6;opacity:.45}
.fl-node rect{fill:#0F1A2E;stroke:rgba(169,182,198,.5);stroke-width:1.2;transition:stroke .5s,fill .5s}
.fl-node text{fill:var(--snow);font-family:var(--sans);font-weight:500;letter-spacing:.04em}
.fl-node .sub{fill:var(--mist);font-weight:300;letter-spacing:.02em}
.fl-node.hot rect{stroke:var(--gold);fill:rgba(227,165,63,.12)}
.fl-node.guard rect{stroke:var(--snow);fill:rgba(232,227,215,.1)}
.fl-node.guard.off{opacity:.28}
.fl-node.guard.off rect{stroke-dasharray:4 5}
.fl-pulse{fill:var(--gold);filter:drop-shadow(0 0 6px rgba(227,165,63,.9))}
.fl-ring{fill:none;stroke:var(--gold);stroke-width:1.5}
.fl-ring.block{stroke:var(--snow)}
.fl-mark{fill:var(--gold);font-family:var(--sans);font-weight:600;letter-spacing:.18em}
.fl-mark.block{fill:var(--snow)}

/* ---------- Results ---------- */
.r-results{background:var(--paper);color:var(--ink)}
.r-results .sec-label{color:#4A5668}
.r-results .r-h2 em{color:var(--gold-2)}
.r-results .r-h3{color:#4A5668}
.r-results .r-note{color:#4A5668}
.r-block{margin-bottom:clamp(64px,8vw,110px)}
.r-block:last-child{margin-bottom:0}

.bars{display:grid;gap:clamp(22px,3vw,34px)}
.bar-row{display:grid;grid-template-columns:minmax(120px,200px) 1fr;gap:clamp(14px,3vw,36px);align-items:center}
.bar-name{font-weight:500;font-size:clamp(14px,1.2vw,17px)}
.bar-name small{display:block;font-weight:300;color:#4A5668;font-size:12px;letter-spacing:.04em;margin-top:2px}
.bar-pair{display:grid;gap:8px}
.bar{position:relative;height:34px;border-radius:3px;background:rgba(10,18,32,.07)}
.bar i{position:absolute;inset:0 auto 0 0;width:0;border-radius:3px;transition:width 1.4s var(--ease)}
.bar.base i{background:var(--gold)}
.bar.hard i{background:transparent;border:1.5px solid var(--ink);min-width:2px}
.bar b{position:absolute;left:12px;top:50%;transform:translateY(-50%);font-size:13px;font-weight:600;letter-spacing:.02em;color:var(--ink);white-space:nowrap}
.bar.base b{mix-blend-mode:normal}
.bar-legend{display:flex;gap:26px;margin-bottom:20px;font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:#4A5668;flex-wrap:wrap}
.bar-legend span{display:inline-flex;align-items:center;gap:10px}
.bar-legend i{width:22px;height:12px;border-radius:2px;display:inline-block}
.bar-legend .l-base{background:var(--gold)}
.bar-legend .l-hard{border:1.5px solid var(--ink)}

.heat{max-width:900px}
.heat-table{width:100%;border-collapse:separate;border-spacing:6px;table-layout:fixed}
.heat-table th,.heat-table td{padding:16px 14px;border-radius:3px;font-size:14px;text-align:left}
.heat .h-head{font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:#4A5668;padding:4px 14px;font-weight:400}
.heat .h-row{font-weight:500;background:rgba(10,18,32,.05);width:30%}
.heat .h-cell{font-weight:600;position:relative;cursor:default;transition:transform .3s var(--ease),box-shadow .3s}
.heat .h-cell small{float:right;font-weight:300;font-size:11px;opacity:.75;letter-spacing:.04em;margin-top:3px}
.heat .h-cell:hover,.heat .h-cell:focus-visible{transform:scale(1.04);box-shadow:0 8px 24px rgba(10,18,32,.25);z-index:2;outline:none}

.method{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(24px,4vw,56px)}
.method > div{border-top:1px solid rgba(10,18,32,.25);padding-top:18px;display:grid;gap:10px}
.method b{font-family:var(--serif);font-weight:600;font-size:clamp(26px,2.4vw,36px);letter-spacing:-.03em}
.method span{color:#3D4757;font-size:15px}

/* ---------- Controls ---------- */
.r-controls{background:var(--ink)}
.controls{list-style:none;max-width:1180px}
.controls li{display:grid;grid-template-columns:64px minmax(0,1fr) minmax(0,460px);gap:clamp(18px,3vw,44px);align-items:center;padding:clamp(24px,3vw,40px) 0;border-top:1px solid rgba(243,241,236,.16)}
.controls li:last-child{border-bottom:1px solid rgba(243,241,236,.16)}
.c-no{font-family:var(--serif);font-size:30px;color:var(--gold);line-height:1}
.controls h3{font-weight:500;font-size:clamp(20px,2vw,28px);letter-spacing:-.015em;margin-bottom:8px}
.controls p{color:#B9C3D0;max-width:52ch}
.mini{display:block;width:100%;height:auto;border:1px solid rgba(243,241,236,.1);border-radius:6px;background:radial-gradient(90% 120% at 50% 0%,rgba(28,44,71,.7),rgba(10,18,32,.4))}
.mini-lbl{fill:var(--snow);font-family:var(--sans);font-weight:500;font-size:10px;letter-spacing:.03em}
.mini-lbl.dim{fill:var(--mist);font-weight:300}
.mini-lbl.gold{fill:var(--gold)}
.mini .fl-node text{font-size:11px}
.mini .fl-node .sub{font-size:9.5px}
.mini-bar-bg{fill:rgba(243,241,236,.12)}
.mini-bar{fill:var(--gold)}
.mini-frame{fill:rgba(227,165,63,.04);stroke:var(--gold);stroke-width:1.2}
.mini-row{fill:rgba(243,241,236,.1)}
.mini-row.gold{fill:rgba(227,165,63,.55)}
.mini-lock{fill:none;stroke:var(--snow);stroke-width:1.5}


/* ---------- Protocol (stepper) ---------- */
.r-protocol{background:var(--snow);color:var(--ink)}
.r-protocol .sec-label{color:#4A5668}
.r-protocol .r-h2 em{color:var(--gold-2)}
.r-protocol .body-lg{color:#4A5668}
.proto-wrap{position:relative;max-width:920px}
.proto-replay{position:absolute;right:0;top:-54px;background:none;border:0;border-bottom:1px solid currentColor;font:inherit;color:var(--ink);cursor:pointer}
.proto{list-style:none;position:relative;padding-left:72px}
.proto::before{content:"";position:absolute;left:19px;top:20px;bottom:20px;width:2px;background:rgba(10,18,32,.14)}
.proto::after{content:"";position:absolute;left:19px;top:20px;width:2px;height:var(--fill,0px);background:var(--gold-2);transition:height .7s var(--ease)}
.proto li{position:relative;padding:0 0 clamp(28px,3.4vw,44px);opacity:.38;transition:opacity .6s}
.proto li:last-child{padding-bottom:0}
.proto li.on{opacity:1}
.p-no{position:absolute;left:-72px;top:0;width:40px;height:40px;border-radius:50%;display:grid;place-items:center;background:var(--snow);border:2px solid rgba(10,18,32,.25);font-weight:600;font-size:15px;transition:background .5s,border-color .5s,color .5s,transform .5s var(--ease)}
.proto li.on .p-no{background:var(--gold);border-color:var(--gold-2);color:var(--ink);transform:scale(1.08)}
.proto h3{font-family:var(--serif);font-weight:600;font-size:clamp(22px,2.2vw,32px);letter-spacing:-.025em;margin:4px 0 8px}
.proto p{color:#3D4757;max-width:68ch}
.proto code{font-size:.9em;background:rgba(10,18,32,.08);padding:1px 6px;border-radius:3px}
.proto b{font-weight:600;color:var(--ink)}
.proto-dot{position:absolute;left:14px;top:15px;width:12px;height:12px;border-radius:50%;background:var(--gold);box-shadow:0 0 0 6px rgba(227,165,63,.25);transition:top .7s var(--ease);pointer-events:none}

/* ---------- Attack classes ---------- */
.r-threats{background:var(--ink-2);border-top:1px solid rgba(243,241,236,.08)}
.r-threats .r-intro b{color:var(--snow);font-weight:500}
.legend{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(16px,3vw,40px);margin-bottom:clamp(40px,5vw,64px)}
.legend > div{display:grid;grid-template-columns:auto 1fr;gap:6px 14px;align-items:center;border-top:1px solid rgba(243,241,236,.16);padding-top:16px}
.legend b{font-weight:500;letter-spacing:.04em}
.legend > div > span:last-child{grid-column:1/-1;color:#B9C3D0;font-size:14px}
.pips{display:inline-flex;gap:4px}
.pips i{display:block;width:22px;height:8px;border-radius:2px;background:rgba(243,241,236,.16);transition:background .5s}
.pips.lv1 i:nth-child(-n+1),.pips.lv2 i:nth-child(-n+2),.pips.lv3 i:nth-child(-n+3){background:var(--gold)}
.js .threat:not(.in) .pips i{background:rgba(243,241,236,.16)!important}
.threat.in .pips i:nth-child(2){transition-delay:.15s}
.threat.in .pips i:nth-child(3){transition-delay:.3s}
.threats{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(14px,2vw,24px)}
.threat{display:flex;flex-direction:column;gap:14px;padding:clamp(22px,2.4vw,32px);background:rgba(10,18,32,.55);border:1px solid rgba(243,241,236,.1);border-radius:6px;transition:border-color .4s,transform .5s var(--ease)}
.threat:hover{border-color:rgba(227,165,63,.55);transform:translateY(-4px)}
.threat header{display:flex;justify-content:space-between;align-items:flex-start;gap:12px}
.threat h3{font-family:var(--serif);font-weight:600;font-size:clamp(20px,1.7vw,26px);letter-spacing:-.025em;line-height:1.15}
.ttag{font-size:10px;letter-spacing:.2em;text-transform:uppercase;color:var(--mist);border:1px solid rgba(243,241,236,.25);border-radius:999px;padding:4px 10px;white-space:nowrap}
.tlevel{display:flex;align-items:center;gap:12px;font-size:12px;letter-spacing:.2em;text-transform:uppercase;color:var(--gold);font-weight:500}
.threat p{color:#B9C3D0;font-size:15px}
.threat blockquote{border-left:2px solid var(--gold);padding:2px 0 2px 14px;color:var(--snow);font-style:italic;font-size:14px;line-height:1.5}
.threat .tobs{margin-top:auto;font-size:13px;color:var(--mist);border-top:1px solid rgba(243,241,236,.12);padding-top:12px}
.threat .tobs b{color:var(--snow);font-weight:600}
.r-note.light{color:var(--mist)}

/* ---------- Limits ---------- */
.r-limits{background:var(--snow);color:var(--ink)}
.r-limits .sec-label{color:#4A5668}
.r-limits .r-h2 em{color:var(--gold-2)}
.limits{display:grid;grid-template-columns:1fr 1fr;gap:clamp(20px,3vw,44px) clamp(30px,5vw,80px);max-width:1100px}
.limits p{border-top:1px solid rgba(10,18,32,.2);padding-top:18px;color:#3D4757}
.limits strong{display:block;color:var(--ink);font-weight:500;margin-bottom:6px;font-size:17px}
.r-limits .r-note{color:#4A5668}

/* ---------- Contact ---------- */
.r-north .stars{display:none}

/* ---------- Responsive ---------- */
@media (max-width:1000px){
  .controls li{grid-template-columns:44px 1fr}
  .controls li .mini{grid-column:1/-1}
  .threats{grid-template-columns:1fr 1fr}
  .finding-list,.method{grid-template-columns:1fr}
  .limits{grid-template-columns:1fr}
  .scoreboard{grid-template-columns:1fr}
  .score-vs{width:100%;height:1px;background:linear-gradient(90deg,transparent,rgba(243,241,236,.25),transparent)}
}
@media (max-width:760px){
  .r-hero-stats{grid-template-columns:repeat(2,1fr)}
  .bar-row{grid-template-columns:1fr;gap:10px}
  .heat-table{border-spacing:4px}
  .heat-table th,.heat-table td{padding:12px 8px;font-size:12.5px}
  .heat .h-cell small{display:none}
  .heat .h-head{padding:4px 8px;font-size:9px;letter-spacing:.06em;overflow-wrap:anywhere}
  .threats,.legend{grid-template-columns:1fr}
  .proto{padding-left:56px}
  .proto::before,.proto::after{left:15px}
  .p-no{left:-56px;width:32px;height:32px;font-size:13px}
  .proto-dot{left:10px;top:11px}
  .proto-replay{position:static;margin-bottom:22px}
  .flow-toggle button{padding:11px 16px;font-size:11px}
}
@media (prefers-reduced-motion:reduce){
  .eyebrow .dot{animation:none}
  .js [data-reveal]{opacity:1;transform:none;transition:none}
  .bar i{transition:none}
  .proto::after,.proto li,.p-no,.proto-dot,.pips i,.threat{transition:none}
}