/* AviationGrade Study, shared stylesheet — Contrail revamp (v3)
   Light theme matching the revamped homepage / question bank.
   Every class name from the old dark sheet is kept so ag-study.js keeps working. */

:root{
  --navy:#04225C;
  --navy-deep:#031a48;
  --orange:#F64F13;
  --sky:#3883E5;
  --white:#FFFFFF;
  --ink:#0b1a35;
  --muted:#5a6a86;
  --line:#dfe4ed;
  --wash:#f4f6fa;
  --hdr-h:86px;

  /* legacy aliases still referenced by ag-study.js-injected markup and the figures */
  --bg:#ffffff;
  --surface:#f4f6fa;
  --card:#ffffff;
  --card2:#f4f6fa;
  --border:#dfe4ed;
  --border-soft:#e8ecf3;
  --text:#0b1a35;
  --text-dim:#33455f;
  --text-faint:#8a97ab;
  --blue:#04225C;
  --blue-bright:#3883E5;
  --green:#1a9d63;
  --gold:#b9832f;
  --gold-bg:#fdf6e9;
  --red:#d8463c;

  --pen1:#c8973f;   /* amber  */
  --pen2:#3aa76d;   /* green  */
  --pen3:#e2534a;   /* rose   */
  --pen4:#3883E5;   /* blue   */

  --ps:17.5px; --pl:1.72;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--white);color:var(--ink);
     font-family:'Inter',-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
     -webkit-font-smoothing:antialiased;-webkit-text-size-adjust:100%;font-size:16px;line-height:1.6}
button{font:inherit;color:inherit;cursor:pointer;background:none;border:0}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.hidden{display:none !important}
.serif{font-family:'Outfit',-apple-system,'Segoe UI',sans-serif;font-weight:600;letter-spacing:-.025em}

/* ============================================================
   HEADER / NAV — self-contained Contrail nav (drops ag-nav.js)
   ============================================================ */
.wrap{max-width:1240px;margin:0 auto;padding:0 40px}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:12px 24px;font-size:.9rem;font-weight:600;border-radius:2px;
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease;
  border:1.5px solid transparent;white-space:nowrap;text-decoration:none}
.btn .arw{font-size:1.05em;line-height:1}
.btn.pri{background:var(--orange);color:#fff}
.btn.pri:hover{background:#d8410c}
.btn.sec{background:#fff;border-color:var(--line);color:var(--navy)}
.btn.sec:hover{border-color:var(--sky);color:var(--sky)}
.btn.ghost{color:var(--muted);padding-left:6px;padding-right:6px}
.btn.ghost:hover{color:var(--navy)}
.btn:disabled{opacity:.4;cursor:not-allowed}

.hdr{position:sticky;top:0;z-index:50;background:var(--navy);
  border-bottom:1px solid rgba(255,255,255,.1);
  transition:background .28s ease,box-shadow .28s ease}
.hdr .wrap{display:flex;align-items:center;gap:40px;height:var(--hdr-h);transition:height .28s ease}
.hdr.stuck{background:rgba(4,34,92,.98);-webkit-backdrop-filter:saturate(140%);backdrop-filter:saturate(140%);
  box-shadow:0 10px 30px -18px rgba(0,0,0,.7)}
.hdr.stuck .wrap{height:66px}
.brand{display:flex;align-items:center;gap:12px;color:#fff;line-height:0}
.brand .mk{height:38px;width:auto;flex:none;transition:height .28s ease}
.hdr.stuck .brand .mk{height:30px}
.brand .wm{font-family:'Outfit',-apple-system,'Segoe UI',sans-serif;font-weight:600;letter-spacing:-.02em;
  font-size:1.14rem;line-height:1;display:flex;align-items:center;align-self:center}
.brand .wm i{font-style:normal;font-weight:400}
.nav{display:flex;align-items:center;gap:32px;margin-left:auto}
.nav > a,.nd > a{color:rgba(255,255,255,.9);font-size:.9rem;font-weight:500;
  display:flex;align-items:center;gap:6px;padding:6px 0;
  border-bottom:1.5px solid transparent;transition:border-color .15s;cursor:pointer}
.nav > a:hover,.nd:hover > a{border-bottom-color:var(--orange)}
.nav .car{font-size:.6rem;opacity:.7;transition:transform .2s ease}
.nd{position:relative}
.nd:hover .car{transform:rotate(180deg)}
.nd-panel{position:absolute;top:100%;left:50%;transform:translateX(-50%) translateY(7px);
  min-width:224px;padding:9px;z-index:60;background:#fff;border:1px solid rgba(4,34,92,.1);border-radius:6px;
  box-shadow:0 26px 52px -22px rgba(3,20,52,.45);display:flex;flex-direction:column;
  opacity:0;visibility:hidden;pointer-events:none;
  transition:opacity .15s ease,transform .15s ease,visibility 0s linear .3s}
.nd::after{content:'';position:absolute;left:0;right:0;top:100%;height:18px}
.nd:hover .nd-panel{opacity:1;visibility:visible;pointer-events:auto;transform:translateX(-50%) translateY(0);transition-delay:0s}
.nd-panel a{color:var(--navy);font-size:.86rem;font-weight:500;padding:9px 12px;border-radius:4px;white-space:nowrap;
  transition:background .12s ease,color .12s ease}
.nd-panel a:hover{background:var(--wash);color:var(--orange)}
.nd-h{font-size:.64rem;letter-spacing:.14em;text-transform:uppercase;font-weight:700;color:#8a97ab;padding:8px 12px 5px}
.nd.mega{position:static}
.nd.mega::after{display:none}
.nd.mega > a{position:relative}
.nd.mega > a::after{content:'';position:absolute;left:-24px;right:-24px;top:100%;height:34px}
.nd.mega .nd-panel{left:0;right:0;width:min(940px,92vw);margin-inline:auto;transform:translateY(6px);
  display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:0 22px;padding:16px 20px}
.nd.mega:hover .nd-panel{transform:translateY(0)}
.nd.mega .nd-col{display:flex;flex-direction:column;min-width:0}
.nd.mega .nd-h{color:var(--sky);padding:0 0 6px;font-size:.6rem}
.nd.mega .nd-panel a{padding:4px 0;white-space:normal;border-radius:0;font-size:.82rem;line-height:1.3}
.nd.mega .nd-panel a:hover{background:transparent;color:var(--orange)}

.hdr-actions{display:flex;align-items:center;gap:16px}
.hdr .btn{padding:9px 18px;font-size:.8rem}
.hdr-login{display:inline-flex;align-items:center;padding:9px 20px;border-radius:999px;background:#fff;color:var(--navy);
  font-size:.8rem;font-weight:600;white-space:nowrap;transition:background .18s ease,transform .18s ease}
.hdr-login:hover{transform:translateY(-1px);background:#e9f0fb}
.pd-wrap{position:relative}
.pd-wrap::after{content:"";position:absolute;top:100%;right:0;width:260px;height:16px}
.pd-avatar{width:38px;height:38px;border-radius:50%;background:#fff;color:var(--navy);display:flex;align-items:center;
  justify-content:center;font-weight:700;font-size:.95rem;cursor:pointer;border:2px solid transparent;
  transition:border-color .15s ease,width .28s ease,height .28s ease}
.hdr.stuck .pd-avatar{width:34px;height:34px}
.pd-wrap:hover .pd-avatar,.pd-wrap.open .pd-avatar{border-color:var(--orange)}
.pd-menu{position:absolute;top:calc(100% + 14px);right:0;width:260px;background:#fff;border:1px solid rgba(4,34,92,.1);
  border-radius:8px;padding:16px;box-shadow:0 26px 52px -22px rgba(3,20,52,.45);
  opacity:0;transform:translateY(-6px);pointer-events:none;transition:opacity .15s ease,transform .15s ease;z-index:60}
.pd-wrap:hover .pd-menu,.pd-wrap.open .pd-menu{opacity:1;transform:translateY(0);pointer-events:auto}
.pd-menu .nm{font-weight:600;font-size:.92rem;color:var(--navy)}
.pd-menu .em{font-size:.76rem;color:var(--muted);margin:2px 0 10px;word-break:break-all}
.pd-status{display:inline-flex;align-items:center;gap:6px;font-size:.68rem;font-weight:700;color:#1a7f46;
  background:#e7f6ec;border:1px solid rgba(26,127,70,.28);padding:4px 10px;border-radius:999px}
.pd-menu hr{border:none;border-top:1px solid var(--line);margin:12px 0}
.pd-menu a{display:block;font-size:.84rem;color:#33455f;padding:6px 0}
.pd-menu a:hover{color:var(--orange)}

.burger{display:none;margin-left:auto;width:30px;height:22px;position:relative;cursor:pointer;flex:none}
.burger i{position:absolute;left:0;right:0;height:2px;background:#fff;border-radius:2px;
  transition:transform .25s ease,opacity .2s ease}
.burger i:nth-child(1){top:2px}.burger i:nth-child(2){top:10px}.burger i:nth-child(3){top:18px}
body.menu-open .burger i:nth-child(1){transform:translateY(8px) rotate(45deg)}
body.menu-open .burger i:nth-child(2){opacity:0}
body.menu-open .burger i:nth-child(3){transform:translateY(-8px) rotate(-45deg)}
body.menu-open{overflow:hidden}

.mscrim{position:fixed;inset:0;z-index:88;background:rgba(3,16,44,.55);opacity:0;pointer-events:none;transition:opacity .25s ease}
.mscrim.on{opacity:1;pointer-events:auto}
.mnav{position:fixed;top:0;right:0;bottom:0;z-index:90;width:88%;max-width:360px;background:var(--navy);color:#fff;
  display:flex;flex-direction:column;transform:translateX(100%);transition:transform .28s cubic-bezier(.4,0,.2,1);
  box-shadow:-24px 0 60px -30px rgba(0,0,0,.8);overscroll-behavior:contain}
.mnav.on{transform:translateX(0)}
.mnav-top{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:16px 20px;
  border-bottom:1px solid rgba(255,255,255,.14);flex:none}
.mnav-top .brand{gap:10px}
.mnav-top .brand .mk{height:28px}
.mnav-top .brand .wm{font-size:1rem}
.mnav .close{width:36px;height:36px;flex:none;display:flex;align-items:center;justify-content:center;
  border:1px solid rgba(255,255,255,.22);border-radius:9px;color:#fff;font-size:1.4rem;line-height:1;cursor:pointer}
.mnav-body{flex:1;overflow-y:auto;-webkit-overflow-scrolling:touch;padding:6px 20px 20px}
.mnav-body > a,.mnav-sec > summary{display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:15px 2px;font-size:1rem;font-weight:500;color:#fff;border-bottom:1px solid rgba(255,255,255,.12);
  cursor:pointer;list-style:none}
.mnav-sec > summary::-webkit-details-marker{display:none}
.mnav-sec > summary::after{content:"\25be";font-size:.66rem;opacity:.55;transition:transform .2s ease}
.mnav-sec[open] > summary::after{transform:rotate(180deg)}
.mnav-sub{display:flex;flex-direction:column;padding:2px 0 12px 6px}
.mnav-sub a{padding:11px 2px;font-size:.9rem;color:rgba(255,255,255,.82)}
.mnav-sub a:active,.mnav-body > a:active{color:var(--orange)}
.mnav-h{font-size:.6rem;letter-spacing:.14em;text-transform:uppercase;font-weight:700;color:#7fb0f0;padding:13px 2px 3px}
.mnav-foot{flex:none;padding:16px 20px calc(16px + env(safe-area-inset-bottom));
  border-top:1px solid rgba(255,255,255,.14);display:grid;gap:11px}
.mnav-foot .btn{justify-content:center;width:100%}
.mnav-login{display:flex;align-items:center;justify-content:center;padding:13px;border-radius:2px;
  border:1.5px solid rgba(255,255,255,.5);color:#fff;font-weight:600;font-size:.9rem}
.mnav-login:active{background:#fff;color:var(--navy)}

/* ============================================================
   PAGE HERO STRIP (navy band under the header) — hubs
   ============================================================ */
.phero{background:var(--navy);color:#fff;padding:48px 0 54px}
.phero .crumb{font-size:.7rem;letter-spacing:.13em;text-transform:uppercase;color:#9dc2f5;
  margin-bottom:16px;display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.phero .crumb a{color:#9dc2f5}
.phero .crumb a:hover{color:#fff}
.phero .crumb .sep{opacity:.45}
.phero h1{font-family:'Outfit',sans-serif;font-weight:600;letter-spacing:-.025em;
  font-size:clamp(2rem,4vw,3rem);line-height:1.12;margin-bottom:12px}
.phero p{color:rgba(255,255,255,.82);font-size:1.03rem;line-height:1.6;max-width:64ch}
.phero .chips{margin-top:18px;display:flex;flex-wrap:wrap;gap:8px}
.phero .chip{font-size:.74rem;font-weight:600;letter-spacing:.02em;padding:5px 11px;border-radius:999px;
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);color:#dbe7fb}

/* ============================================================
   STUDY FRONT DOOR + SUBJECT OVERVIEW (hubs)
   ============================================================ */
.ags-wrap.ags-hub{max-width:1240px;margin:0 auto;padding:44px 40px 90px}
.ags-hub{max-width:1240px;margin:0 auto}
.ags-crumb{display:inline-flex;align-items:center;gap:6px;font-size:.8rem;color:var(--muted);
  text-decoration:none;margin-bottom:20px}
.ags-crumb:hover{color:var(--navy)}
.ags-hub h1{font-family:'Outfit',sans-serif;font-weight:600;font-size:34px;letter-spacing:-.02em;line-height:1.1;
  margin-bottom:12px;color:var(--navy)}
.ags-lede{color:var(--muted);font-size:1rem;line-height:1.7;max-width:660px}
.ags-kick{font-size:.66rem;letter-spacing:.14em;text-transform:uppercase;font-weight:700;color:#8a97ab;margin-bottom:12px}

.ags-hub-head{margin:30px 0 40px}
.ags-hub-head > div:first-child{display:flex;justify-content:space-between;align-items:center;
  gap:18px 30px;flex-wrap:wrap;padding-bottom:20px;border-bottom:1px solid var(--line);margin-bottom:22px}
.ags-merged{display:flex;gap:8px;align-items:center;flex-wrap:wrap;font-size:.78rem;color:var(--muted)}
.ags-merged .src{display:inline-block;font-size:.7rem;color:var(--navy);background:var(--wash);
  border:1px solid var(--line);border-radius:999px;padding:3px 10px;white-space:nowrap}
.ags-merged .src.j{color:#8a5a17;background:#fdf6e9;border-color:#f0dcb4}
.ags-ring{display:flex;align-items:center;gap:14px}
.ags-ring svg{flex:0 0 auto}
.ags-ring circle:first-child{stroke:var(--line)}
.ags-ring circle:last-child{stroke:var(--orange)}
.ags-ring b{display:block;font-size:1.05rem;color:var(--navy)}
.ags-ring span{font-size:.8rem;color:var(--muted)}

.ags-resume[hidden]{display:none}
.ags-resume{display:grid;grid-template-columns:1fr auto;column-gap:30px;align-items:center;
  background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px 24px;
  box-shadow:0 18px 40px -30px rgba(3,20,52,.4)}
.ags-resume .rk{grid-column:1;font-size:.66rem;letter-spacing:.12em;text-transform:uppercase;color:#8a97ab;font-weight:700}
.ags-resume h3{grid-column:1;font-family:'Outfit',sans-serif;font-weight:600;font-size:1.15rem;margin:8px 0 5px;color:var(--navy)}
.ags-resume p{grid-column:1;font-size:.85rem;color:var(--muted);margin:0;line-height:1.55}
.ags-resume .btn.pri{grid-column:2;grid-row:1/span 4;align-self:center;width:auto;white-space:nowrap;padding-left:24px;padding-right:24px}
.ags-resume .bar{grid-column:1;margin-top:13px;height:6px;border-radius:999px;background:var(--wash);overflow:hidden;border:1px solid var(--line)}
.ags-resume .bar i{display:block;height:100%;background:var(--orange);border-radius:999px}
.ags-resume-foot{grid-column:1/-1;margin-top:16px;padding-top:14px;border-top:1px solid var(--line);font-size:.76rem;color:var(--muted);line-height:1.55}

.ags-chapgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:12px;margin-bottom:44px}
.ags-chapcard{display:flex;gap:13px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:14px;
  padding:15px 17px;text-decoration:none;transition:border-color .15s ease,transform .15s ease,box-shadow .15s ease}
.ags-chapcard:hover{border-color:var(--sky);transform:translateY(-2px);box-shadow:0 20px 40px -30px rgba(3,20,52,.5)}
.ags-chapcard .num{flex:0 0 auto;width:30px;height:30px;border-radius:50%;background:var(--wash);border:1px solid var(--line);
  color:var(--muted);display:grid;place-items:center;font-size:.8rem;font-weight:700}
.ags-chapcard .nm{flex:1;min-width:0;font-size:.92rem;color:var(--navy);font-weight:600}
.ags-chapcard .nm em{display:block;font-style:normal;font-size:.74rem;color:var(--muted);margin-top:3px;font-weight:500}
.ags-chapcard.done .num{background:#e7f6ec;border-color:#bfe6cd;color:var(--green)}
.ags-chapcard.now{border-color:var(--orange);background:#fff6f2}
.ags-chapcard.now .num{background:var(--orange);border-color:var(--orange);color:#fff}
.ags-chapcard.soon{opacity:.5;cursor:default}
.ags-chapcard.soon:hover{border-color:var(--line);transform:none;box-shadow:none}

.ags-hero{max-width:760px;margin-bottom:36px}
.ags-hero .ags-kick{color:#9dc2f5}
.ags-herorow{display:flex;gap:11px;flex-wrap:wrap;margin-top:22px}

.ags-hubnote{border-top:1px solid var(--line);padding-top:32px;margin-bottom:20px}
.ags-hubnote h3{font-family:'Outfit',sans-serif;font-weight:600;font-size:1.1rem;margin-bottom:16px;color:var(--navy)}
.ags-steps{list-style:none;counter-reset:agstep;max-width:820px}
.ags-steps li{counter-increment:agstep;position:relative;padding-left:36px;margin-bottom:14px;
  font-size:.92rem;line-height:1.65;color:var(--muted)}
.ags-steps li:before{content:counter(agstep);position:absolute;left:0;top:0;width:24px;height:24px;border-radius:50%;
  background:var(--wash);border:1px solid var(--line);color:var(--navy);font-size:.72rem;font-weight:700;
  display:grid;place-items:center}
.ags-steps b{color:var(--navy);font-weight:600}

.ags-how{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:13px}
.ags-how div{background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px}
.ags-how b{display:block;font-size:.92rem;margin-bottom:7px;color:var(--navy)}
.ags-how span{font-size:.86rem;line-height:1.6;color:var(--muted)}

.ags-subjgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:16px;margin-bottom:26px}
.subject-card,.ags-subjcard{display:flex;flex-direction:column;gap:.5rem;text-decoration:none;background:#fff;
  border:1px solid var(--line);border-radius:16px;padding:26px;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.subject-card:hover,.ags-subjcard:hover{transform:translateY(-4px);border-color:var(--sky);
  box-shadow:0 26px 50px -30px rgba(3,20,52,.5)}
.subject-ring{width:70px;height:70px;margin-bottom:.35rem}
.subject-ring svg{width:100%;height:100%;display:block}
.subject-ring circle:first-of-type{stroke:var(--line)!important}
.subject-ring circle:last-of-type{stroke:var(--orange)!important}
.subject-ring .rn{font:700 30px/1 'Outfit',sans-serif;fill:var(--navy)}
.subject-ring .rl{font-size:12px;fill:var(--muted);letter-spacing:.03em}
.subject-name{font-family:'Outfit',sans-serif;font-size:1.4rem;font-weight:600;color:var(--navy);letter-spacing:-.02em}
.subject-meta{font-size:.9rem;line-height:1.6;color:var(--muted)}
.subject-status{font-size:.78rem;color:#8a97ab}
.subject-count{margin-top:auto;padding-top:1.1rem;display:flex;align-items:center;justify-content:space-between;
  font-size:.86rem;font-weight:600;color:var(--navy)}
.subject-arrow{font-size:1.05rem;color:var(--orange);transition:transform .2s ease}
.subject-card:hover .subject-arrow{transform:translateX(4px)}

.ags-foot-note{font-size:.8rem;color:var(--muted);line-height:1.6;max-width:660px;margin-bottom:20px}

/* sign-in modal on study.html */
.ags-modal{position:fixed;inset:0;z-index:1000;display:none;align-items:center;justify-content:center;padding:20px;
  background:rgba(4,20,52,.5);-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px)}
.ags-modal.open{display:flex}
.ags-modal .box{background:#fff;border:1px solid var(--line);border-radius:18px;max-width:400px;width:100%;padding:28px;
  text-align:center;box-shadow:0 40px 90px -30px rgba(3,20,52,.5)}
.ags-modal h3{font-family:'Outfit',sans-serif;font-weight:600;margin:0 0 10px;font-size:1.25rem;color:var(--navy)}
.ags-modal p{margin:0 0 20px;font-size:.86rem;line-height:1.6;color:var(--muted)}
.ags-modal .m-actions{display:flex;flex-direction:column;gap:10px}
.ags-modal .m-pri{background:var(--orange);color:#fff;font-weight:600;font-size:.9rem;padding:12px;border-radius:2px;text-decoration:none}
.ags-modal .m-pri:hover{background:#d8410c}
.ags-modal .m-ghost{background:transparent;border:1px solid var(--line);color:var(--muted);font-size:.82rem;
  padding:10px;border-radius:2px;cursor:pointer}
.ags-modal .m-ghost:hover{color:var(--navy)}

/* ============================================================
   CHAPTER PAGE — mobile control bar + shell + tray
   ============================================================ */
.ags-mob{display:none;position:sticky;top:var(--hdr-h);z-index:40;gap:8px;padding:9px 14px;
  background:rgba(255,255,255,.95);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.ags-mob button{display:inline-flex;align-items:center;gap:7px;font-size:.78rem;font-weight:600;color:var(--muted);
  background:#fff;border:1px solid var(--line);border-radius:999px;padding:7px 13px}
.ags-mob button.on{background:var(--navy);border-color:var(--navy);color:#fff}
.ags-mob .where{flex:1;text-align:right;align-self:center;font-size:.72rem;color:#8a97ab;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.ags-mob .burger,.burger.ags-burger{display:block;width:14px;height:10px;position:relative;flex:0 0 auto;margin:0}
.ags-mob .burger:before,.ags-mob .burger:after,.ags-mob .burger i{content:"";position:absolute;left:0;right:0;
  height:1.6px;background:currentColor;border-radius:2px;transform:none}
.ags-mob .burger:before{top:0}
.ags-mob .burger i{top:50%;margin-top:-0.8px}
.ags-mob .burger:after{bottom:0}
.ags-scrim{display:none;position:fixed;inset:0;background:rgba(3,16,44,.5);z-index:88}
.ags-scrim.on{display:block}

.ags-shell{display:grid;grid-template-columns:270px minmax(0,1fr);align-items:start}
.ags-tray{position:sticky;top:var(--hdr-h);height:calc(100vh - var(--hdr-h));overflow-y:auto;
  background:var(--wash);border-right:1px solid var(--line);padding:20px 14px 60px;overscroll-behavior:contain}
.ags-tray .back{display:inline-flex;align-items:center;gap:6px;font-size:.72rem;color:var(--muted);
  padding:0 0 12px 8px;text-decoration:none}
.ags-tray .back:hover{color:var(--navy)}
.ags-subject{padding:0 8px 14px;border-bottom:1px solid var(--line);margin-bottom:14px}
.ags-subject b{display:block;font-family:'Outfit',sans-serif;font-weight:600;font-size:1.02rem;color:var(--navy);margin-bottom:3px}
.ags-subject small{display:block;font-size:.72rem;color:#8a97ab;margin-bottom:11px}
.ags-tbar{height:4px;background:#e4e9f1;border-radius:3px;overflow:hidden}
.ags-tbar i{display:block;height:100%;background:var(--orange);border-radius:3px}
.ags-tray h4{font-size:.6rem;letter-spacing:.14em;text-transform:uppercase;color:#8a97ab;font-weight:700;margin:0 0 8px 8px}
.ags-chap{display:flex;gap:10px;align-items:center;width:100%;text-align:left;font-size:.8rem;color:var(--muted);
  padding:9px 9px;border-radius:9px;line-height:1.35;text-decoration:none}
.ags-chap:hover{background:#fff;color:var(--navy)}
.ags-chap .cd{flex:0 0 auto;width:20px;height:20px;border-radius:50%;background:#e4e9f1;color:#8a97ab;
  display:grid;place-items:center;font-size:.6rem;font-weight:700}
.ags-chap .cn{flex:1;min-width:0}
.ags-chap.ok{color:var(--navy)}
.ags-chap.ok .cd{background:#e7f6ec;color:var(--green);font-size:0}
.ags-chap.ok .cd:after{content:"";display:block;width:4px;height:8px;border:solid var(--green);
  border-width:0 1.6px 1.6px 0;transform:rotate(45deg);margin-top:-2px}
.ags-chap.now{background:#fff;color:var(--navy);font-weight:600;box-shadow:inset 3px 0 0 var(--orange);border:1px solid var(--line)}
.ags-chap.now .cd{background:var(--orange);color:#fff}
.ags-chap.now .cn em{display:block;font-style:normal;font-size:.68rem;color:var(--orange);font-weight:600;margin-top:2px}
.ags-chap[aria-disabled]{opacity:.4;cursor:default}
.ags-chap[aria-disabled]:hover{background:transparent}
.ags-tray-foot{margin-top:14px;padding:12px 10px;border-top:1px solid var(--line);font-size:.72rem;color:#8a97ab;line-height:1.5}

/* ============================================================
   READER
   ============================================================ */
.ags-wrap{max-width:none;padding:26px clamp(16px,3.4vw,56px) 100px}
.ags-reader{display:block}
.ags-lesson{max-width:1180px;margin:0 auto;position:relative}
.prose{max-width:1000px;margin:0 auto}

.ags-chapter-h1{font-family:'Outfit',sans-serif !important;font-weight:600 !important;font-size:26px !important;
  letter-spacing:-.02em !important;line-height:1.15 !important;color:var(--navy) !important;margin:0 0 18px !important}

.ags-stepper{display:flex;gap:7px;align-items:center;flex-wrap:wrap;margin-bottom:22px;padding-bottom:18px;
  border-bottom:1px solid var(--line)}
.ags-stepper button{display:flex;gap:7px;align-items:center;font-size:.76rem;color:var(--muted);background:#fff;
  border:1px solid var(--line);border-radius:999px;padding:6px 12px 6px 8px}
.ags-stepper button:hover{border-color:var(--sky)}
.ags-stepper .sd{width:17px;height:17px;border-radius:50%;background:var(--wash);color:#8a97ab;display:grid;
  place-items:center;font-size:.6rem;font-weight:700;flex:0 0 auto}
.ags-stepper button.ok .sd{background:#e7f6ec;color:var(--green)}
.ags-stepper button.now{background:var(--navy);border-color:var(--navy);color:#fff;font-weight:600}
.ags-stepper button.now .sd{background:#fff;color:var(--navy)}
.ags-stepper button.lock{opacity:.45;cursor:not-allowed;border-style:dashed}
.ags-stepper button.check{border-style:dashed}
.ags-stepper button.check.ready{border-style:solid;border-color:var(--orange);color:var(--orange);background:#fff6f2}
.ags-stepper button.check.ready .sd{background:var(--orange);color:#fff}
.lockicon{width:9px;height:11px;flex:0 0 auto;position:relative;border:1.4px solid currentColor;border-top:0;border-radius:1.5px}
.lockicon:before{content:"";position:absolute;left:1.2px;top:-5px;width:4.6px;height:5px;border:1.4px solid currentColor;
  border-bottom:0;border-radius:3px 3px 0 0}

.ags-page{display:none}
.ags-page.on{display:block}
.ags-page{counter-reset:agsh4}

/* left rail down each section, breaking only at a heading */
.prose .ags-page > p,
.prose .ags-page > h3,
.prose .ags-page > h4,
.prose .ags-page > ul,
.prose .ags-page > ol{border-left:2px solid var(--line);padding-left:22px;margin:0;padding-bottom:14px}
.prose .ags-page > h3{margin-top:26px;padding-top:2px}
.prose .ags-page > h4{margin-top:20px;padding-top:2px}
.prose .ags-page > ul,.prose .ags-page > ol{padding-bottom:8px}

.prose .ags-page > figure,
.prose .ags-page > .callout,
.prose .ags-page > .ags-tablewrap,
.prose .ags-page > .numbers,
.prose .ags-page > .bookwrap,
.prose .ags-page > .pull{margin-left:24px;margin-right:0;width:auto}

.ags-top{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;margin-bottom:6px}
.ags-top h2{font-family:'Outfit',sans-serif;font-weight:600;font-size:25px;letter-spacing:-.02em;line-height:1.22;color:var(--navy)}
.ags-mins{font-size:.72rem;color:#8a97ab;white-space:nowrap;padding-top:7px}
.ags-prov{display:flex;gap:7px;align-items:center;flex-wrap:wrap;margin:12px 0 22px}
.ags-prov .lbl{font-size:.72rem;color:#8a97ab}
.src{display:inline-block;font-size:.66rem;color:var(--navy);background:var(--wash);border:1px solid var(--line);
  border-radius:6px;padding:2px 7px;white-space:nowrap}
.src.j{color:#8a5a17;background:#fdf6e9;border-color:#f0dcb4}

body.ags-txt-s{--ps:16px;   --pl:1.7}
body.ags-txt-l{--ps:19.5px; --pl:1.75}
body.ags-txt-xl{--ps:21px;  --pl:1.78}

.prose p{font-size:var(--ps);line-height:var(--pl);color:#33455f;margin-bottom:14px}
.prose strong,.prose b{color:var(--navy);font-weight:700}
.prose p.lead{font-size:var(--ps);line-height:var(--pl);color:#1e2f4a}
.prose .term,.prose .term-g,.prose .term-a{color:var(--navy);font-weight:700;
  box-shadow:inset 0 -2px 0 rgba(246,79,19,.35)}

.callout strong,.callout b,.numbers b,.ags-table strong{color:var(--navy)}

.numbers{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px;margin:22px 0}
.numbers div{background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px 15px}
.numbers b{display:block;font-family:'Outfit',sans-serif;font-size:1.3rem;letter-spacing:-.02em;color:var(--navy);
  line-height:1.15;margin-bottom:5px}
.numbers span{display:block;font-size:.72rem;color:var(--muted);line-height:1.45}
.numbers div.g b{color:var(--green)}
.numbers div.a b{color:var(--orange)}
.numbers div.b b{color:var(--sky)}

.pull{margin:24px 0;padding:2px 0 2px 18px;border-left:3px solid var(--orange);
  font-size:calc(var(--ps) + 1.5px);line-height:1.6;color:#1e2f4a;font-style:italic}

.prose h3{font-family:'Outfit',sans-serif;font-size:calc(var(--ps) + 2px);font-weight:600;letter-spacing:-.01em;
  color:var(--navy);line-height:1.35;position:relative}
.prose h4{font-family:'Outfit',sans-serif;font-size:calc(var(--ps) + 1px);font-weight:600;letter-spacing:-.01em;
  text-transform:none;color:var(--navy);line-height:1.35;position:relative;counter-increment:agsh4}
.prose h4:before{content:counter(agsh4) ". ";color:var(--orange);font-weight:700}
.prose .ags-page > h3{padding-bottom:9px}
.prose .ags-page > h4{padding-bottom:8px}
.prose .ags-page > h3:after,
.prose .ags-page > h4:after{content:"";position:absolute;left:22px;right:0;bottom:0;height:1px}
.prose .ags-page > h3:after{background:var(--line)}
.prose .ags-page > h4:after{background:#e8ecf3}
.prose ul,.prose ol{list-style:none}
.prose li{font-size:var(--ps);line-height:var(--pl);color:#33455f;padding-left:19px;position:relative;margin-bottom:8px}
.prose li:before{content:"";position:absolute;left:2px;top:10px;width:5px;height:5px;border-radius:50%;background:var(--orange)}
.prose ol{counter-reset:agsol}
.prose ol li{counter-increment:agsol}
.prose ol li:before{content:counter(agsol);background:none;color:var(--orange);font-size:.72rem;font-weight:700;
  top:2px;left:0;width:auto;height:auto;border-radius:0}

/* pen marks — light theme */
.prose mark{color:var(--navy);border-radius:3px;padding:1px 2px;background:rgba(201,151,63,.28);
  box-shadow:inset 0 -1px 0 rgba(201,151,63,.7)}
.prose mark.c1{background:rgba(201,151,63,.28);box-shadow:inset 0 -1px 0 rgba(201,151,63,.8)}
.prose mark.c2{background:rgba(58,167,109,.22); box-shadow:inset 0 -1px 0 rgba(58,167,109,.8)}
.prose mark.c3{background:rgba(226,83,74,.20); box-shadow:inset 0 -1px 0 rgba(226,83,74,.8)}
.prose mark.c4{background:rgba(56,131,229,.20);box-shadow:inset 0 -1px 0 rgba(56,131,229,.85)}
.prose u.ul{text-decoration:none;color:var(--navy);padding-bottom:1px;
  background-image:linear-gradient(transparent 88%,rgba(56,131,229,.85) 88%)}
.prose u.ul.c1{background-image:linear-gradient(transparent 88%,rgba(201,151,63,.9) 88%)}
.prose u.ul.c2{background-image:linear-gradient(transparent 88%,rgba(58,167,109,.9) 88%)}
.prose u.ul.c3{background-image:linear-gradient(transparent 88%,rgba(226,83,74,.9) 88%)}
.prose u.ul.c4{background-image:linear-gradient(transparent 88%,rgba(56,131,229,.9) 88%)}

/* ---- pen rail ---- */
.ags-rail{position:fixed;right:14px;top:50%;transform:translateY(-50%);z-index:66;width:62px;background:#fff;
  border:1px solid var(--line);border-radius:16px;padding:10px 8px;display:flex;flex-direction:column;
  align-items:center;gap:8px;box-shadow:0 20px 44px -26px rgba(3,20,52,.4)}
.ags-rail .rlabel{font-size:.5rem;letter-spacing:.1em;text-transform:uppercase;font-weight:700;color:#8a97ab;text-align:center}
.ags-rail .pen{width:40px;height:34px;border-radius:10px;border:1px solid var(--line);background:var(--wash);
  display:grid;place-items:center;transition:.15s;color:var(--navy)}
.ags-rail .pen:hover{border-color:var(--sky)}
.ags-rail .pen.armed{border-color:var(--navy);background:#eef3fb}
.ags-rail .pen svg{display:block}
.ags-rail .swatches{display:grid;grid-template-columns:1fr 1fr;gap:5px}
.ags-rail .sw{width:17px;height:17px;border-radius:50%;border:2px solid transparent;box-shadow:0 0 0 1px var(--line) inset;transition:.12s}
.ags-rail .sw:hover{transform:scale(1.12)}
.ags-rail .sw.on{border-color:var(--navy)}
.ags-rail .sw1{background:var(--pen1)}.ags-rail .sw2{background:var(--pen2)}
.ags-rail .sw3{background:var(--pen3)}.ags-rail .sw4{background:var(--pen4)}
.ags-rail hr{width:100%;height:1px;background:var(--line);border:0;margin:2px 0}
.ags-rail .sizes{display:flex;gap:4px}
.ags-rail .sizes button{width:20px;height:24px;border-radius:6px;border:1px solid var(--line);background:var(--wash);
  color:var(--muted);font-weight:700;line-height:1;display:grid;place-items:center}
.ags-rail .sizes button:nth-child(1){font-size:10px}
.ags-rail .sizes button:nth-child(2){font-size:12px}
.ags-rail .sizes button:nth-child(3){font-size:14px}
.ags-rail .sizes button.on{border-color:var(--navy);color:var(--navy);background:#eef3fb}
.ags-rail .clearmarks{font-size:.55rem;color:#8a97ab;line-height:1.2;text-align:center}
.ags-rail .clearmarks:hover{color:var(--red)}

body.ags-arm-hl .prose,body.ags-arm-ul .prose{cursor:crosshair}

/* ---- table ---- */
.ags-tablewrap,figure{width:100%;margin-left:0;margin-right:0}
.ags-tablewrap{overflow-x:auto;margin-top:20px;margin-bottom:22px;border:1px solid var(--line);border-radius:12px}
.ags-table{width:100%;border-collapse:collapse;font-size:.86rem;min-width:340px}
.ags-table th{text-align:left;font-size:.62rem;letter-spacing:.09em;text-transform:uppercase;color:#8a97ab;font-weight:700;
  padding:11px 15px;background:var(--wash);border-bottom:1px solid var(--line)}
.ags-table td{padding:10px 15px;border-bottom:1px solid var(--line);color:#33455f}
.ags-table tr:last-child td{border-bottom:0}
.ags-table td:first-child{color:var(--navy);font-weight:600}

/* ---- figures kept as dark instrument panels ---- */
figure{margin:22px 0;background:#0c1526;border:1px solid #1d2b45;border-radius:14px;padding:16px 16px 13px}
figure svg{display:block;width:100%;height:auto;overflow:visible}
figcaption{font-size:.76rem;color:#8ea3c4;line-height:1.55;margin-top:11px;border-top:1px solid #1d2b45;padding-top:10px}
.figtitle{font-size:.76rem;font-weight:700;color:#dbe6fb;margin-bottom:12px;display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.figtitle .tag{font-size:.6rem;letter-spacing:.09em;text-transform:uppercase;color:#8fb6ff;background:rgba(56,131,229,.16);
  border:1px solid rgba(56,131,229,.4);border-radius:5px;padding:2px 6px;font-weight:700}
figure .ctrl{border-top-color:#1d2b45}
figure .ctrl label{color:#8ea3c4}
figure .ctrl input[type=range]{background:#24314c}
figure .ctrl input[type=number],figure .ags-select{background:#0c1526;border-color:#25344f;color:#dbe6fb}
figure .readout div{background:#0c1526;border-color:#25344f}
figure .readout span{color:#8ea3c4}
figure .readout b{color:#fff}

/* ---- callouts ---- */
.callout{border-radius:12px;padding:15px 17px;margin:20px 0;font-size:.9rem;line-height:1.62}
.callout .ct{font-size:.62rem;letter-spacing:.1em;text-transform:uppercase;font-weight:700;margin-bottom:7px;display:block}
.callout strong{font-weight:700}
.callout.exam{background:#eef4fd;border-left:3px solid var(--sky);color:#1e3557}
.callout.exam .ct{color:var(--sky)}
.callout.trap{background:#fdeeec;border-left:3px solid var(--red);color:#6b2b25}
.callout.trap .ct{color:var(--red)}
.callout.memo{background:#fdf6e9;border-left:3px solid var(--gold);color:#5f4415}
.callout.memo .ct{color:var(--gold)}
.callout.india{background:#ebf7f0;border-left:3px solid var(--green);color:#1c4a34}
.callout.india .ct{color:var(--green)}
.callout.exam strong,.callout.trap strong,.callout.memo strong,.callout.india strong{color:inherit}

.bookwrap{margin:20px 0;border:1px dashed var(--line);border-radius:12px;overflow:hidden}
.booktog{width:100%;display:flex;justify-content:space-between;align-items:center;gap:12px;padding:11px 15px;
  font-size:.8rem;color:var(--muted);text-align:left}
.booktog:hover{color:var(--navy)}
.bookbody{display:none;padding:0 15px 15px;font-size:.84rem;line-height:1.65;color:#33455f}
.bookbody.open{display:block}
.bookbody blockquote{border-left:2px solid var(--line);padding-left:13px;margin-bottom:12px}
.bookbody blockquote em{display:block;font-style:normal;font-size:.7rem;color:#8a97ab;margin-top:5px}

.ags-foot{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-top:32px;padding-top:20px;
  border-top:1px solid var(--line)}
.ags-count{font-size:.76rem;color:#8a97ab}

/* ---- notes dock ---- */
.ags-notesdock{position:fixed;z-index:67;display:flex;flex-direction:column;align-items:flex-start;gap:8px;touch-action:none}
.ags-fab{display:inline-flex;align-items:center;gap:8px;font-size:.78rem;font-weight:700;color:#fff;background:var(--navy);
  border:1px solid var(--navy);border-radius:999px;padding:8px 14px 8px 10px;cursor:grab;touch-action:none;
  box-shadow:0 14px 30px -18px rgba(3,20,52,.6)}
.ags-fab:hover{background:#0a306f}
.ags-notesdock.dragging{opacity:.94}
.ags-notesdock.dragging .ags-fab{cursor:grabbing}
.ags-fab .grip{width:9px;height:13px;flex:0 0 auto;opacity:.7;
  background-image:radial-gradient(circle,currentColor 1px,transparent 1.1px);background-size:4.5px 4.5px}
.ags-fab .n{font-size:.62rem;font-weight:800;color:var(--navy);background:#fff;border-radius:999px;padding:1px 6px;min-width:18px;text-align:center}

.ags-notes{display:none;width:min(330px,88vw);background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;
  box-shadow:0 30px 60px -30px rgba(3,20,52,.5)}
.ags-notes.open{display:block}
.ags-notes-h{display:flex;justify-content:space-between;align-items:center;padding:11px 14px;border-bottom:1px solid var(--line)}
.ags-notes-h b{font-size:.8rem;color:var(--navy)}
.ags-notes-h span{font-size:.7rem;color:#8a97ab}
.ags-notes-h .nclose{font-size:1.1rem;line-height:1;color:#8a97ab;padding:0 2px 0 10px}
.ags-notes-h .nclose:hover{color:var(--navy)}
.ags-notes-h > span{display:inline-flex;align-items:center}
.ags-notes-list{max-height:min(40vh,320px);overflow:auto;padding:12px 14px;display:flex;flex-direction:column;gap:12px;overscroll-behavior:contain}
.ags-empty{font-size:.8rem;color:#8a97ab;line-height:1.55}
.note{border-left:2px solid var(--line);padding-left:11px;position:relative}
.note.hl{border-left-color:var(--gold)}
.note.ul{border-left-color:var(--sky)}
.note q{display:block;font-size:.76rem;color:#8a97ab;line-height:1.5;margin-bottom:5px;font-style:italic;quotes:none}
.note p{font-size:.82rem;line-height:1.5;color:#33455f;white-space:pre-wrap}
.note em{display:block;font-style:normal;font-size:.66rem;color:#8a97ab;margin-top:5px}
.note .del{position:absolute;right:0;top:0;font-size:.9rem;line-height:1;color:#8a97ab;padding:2px 4px}
.note .del:hover{color:var(--red)}
.ags-notes-add{padding:14px 16px;border-top:1px solid var(--line)}
.ags-notes-add textarea{width:100%;background:var(--wash);border:1px solid var(--line);border-radius:9px;color:var(--ink);
  font:inherit;font-size:.82rem;padding:9px 11px;resize:vertical;min-height:62px}
.ags-notes-add textarea:focus{outline:none;border-color:var(--sky)}
.ags-notes-add .row{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-top:9px}
.ags-notes-add .row small{font-size:.7rem;color:#8a97ab}
.ags-notes-add .btn{padding:7px 14px;font-size:.78rem}

.ags-pop{position:absolute;z-index:90;display:none;background:#fff;border:1px solid var(--line);border-radius:9px;padding:4px;
  box-shadow:0 16px 36px -12px rgba(3,20,52,.4);gap:2px}
.ags-pop.on{display:flex}
.ags-pop button{display:flex;align-items:center;gap:6px;font-size:.76rem;padding:7px 11px;border-radius:6px;color:var(--navy);white-space:nowrap}
.ags-pop button:hover{background:var(--wash)}
.ags-pop .sw{width:11px;height:11px;border-radius:3px;display:block}
.ags-pop .hlsw{background:rgba(201,151,63,.85)}
.ags-pop .ulsw{background:transparent;border-bottom:3px solid var(--sky);border-radius:0;height:8px}

/* ============================================================
   CHAPTER CHECK
   ============================================================ */
.ags-quiz{max-width:760px;margin:0 auto}
.ags-quiz-top{display:flex;justify-content:space-between;align-items:baseline;gap:12px;margin-bottom:11px}
.ags-quiz-top b{font-family:'Outfit',sans-serif;font-weight:600;font-size:1.05rem;color:var(--navy)}
.ags-quiz-top span{font-size:.76rem;color:var(--muted);white-space:nowrap}
.bar{height:6px;border-radius:999px;background:var(--wash);overflow:hidden;border:1px solid var(--line)}
.bar i{display:block;height:100%;background:var(--orange);border-radius:999px;transition:width .25s}
.ags-qnote{font-size:.76rem;color:#8a97ab;margin-top:9px;line-height:1.5}
.qcard{background:#fff;border:1px solid var(--line);border-radius:16px;padding:26px;margin-top:22px;
  box-shadow:0 20px 44px -34px rgba(3,20,52,.5)}
.qcard h3{font-family:'Outfit',sans-serif;font-size:1.14rem;line-height:1.45;margin-bottom:20px;font-weight:600;color:var(--navy)}
.option{margin:10px 0;padding:14px 16px;border:1px solid var(--line);border-radius:10px;background:#fff;display:flex;
  align-items:center;gap:11px;cursor:pointer;transition:all .15s ease;font-size:.9rem;color:#33455f;width:100%;text-align:left;line-height:1.45}
.option:hover{border-color:var(--sky)}
.option .rd{width:16px;height:16px;border-radius:50%;border:1.5px solid #b7c1d3;flex:0 0 auto}
.option.opt-correct{border-color:var(--green);background:#edf9f2;color:var(--navy)}
.option.opt-correct .rd{border-color:var(--green);background:var(--green)}
.option.opt-wrong{border-color:var(--red);background:#fdeeec;color:var(--navy)}
.option.opt-wrong .rd{border-color:var(--red);background:var(--red)}
.explain{display:none;margin-top:14px;padding:14px 16px;border-radius:11px;background:var(--wash);border:1px solid var(--line)}
.explain.on{display:block}
.explain b{display:block;font-size:.76rem;margin-bottom:6px;color:var(--navy)}
.explain p{font-size:.84rem;line-height:1.6;color:#33455f}
.explain .rev{display:inline-flex;align-items:center;gap:6px;margin-top:11px;font-size:.78rem;color:var(--orange);text-decoration:none;font-weight:600}
.explain .rev:hover{text-decoration:underline}
.ags-qfoot{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-top:20px}

/* ============================================================
   CHAPTER COMPLETE
   ============================================================ */
.ags-done{max-width:820px;margin:0 auto}
.ags-done .ags-kick{color:#8a97ab}
.ags-done h2{font-family:'Outfit',sans-serif;font-weight:600;font-size:28px;letter-spacing:-.02em;margin-bottom:9px;color:var(--navy)}
.ags-done .lede{color:var(--muted);font-size:.92rem;line-height:1.6}
.score{display:inline-flex;align-items:center;gap:18px;background:#fff;border:1px solid var(--line);border-radius:16px;
  padding:18px 24px;margin:22px 0 4px;box-shadow:0 18px 40px -32px rgba(3,20,52,.5)}
.score svg circle:first-child{stroke:var(--line)}
.score svg circle:last-child{stroke:var(--green)}
.score b{font-family:'Outfit',sans-serif;font-size:1.9rem;letter-spacing:-.02em;display:block;line-height:1.1;color:var(--navy)}
.score span{font-size:.76rem;color:var(--muted)}
.dgrid{display:grid;grid-template-columns:1fr 1fr;gap:13px;margin-top:24px}
.dcard{background:#fff;border:1px solid var(--line);border-radius:14px;padding:19px}
.dcard.next{border-color:var(--orange);background:#fff6f2;grid-column:1 / -1;display:flex;justify-content:space-between;
  align-items:center;gap:18px;flex-wrap:wrap}
.dcard.wide{grid-column:1 / -1}
.dcard h3{font-family:'Outfit',sans-serif;font-weight:600;font-size:1rem;margin-bottom:6px;color:var(--navy)}
.dcard p{font-size:.82rem;color:var(--muted);line-height:1.55;margin-bottom:13px}
.dcard.next p{margin-bottom:0}
.miss{display:flex;gap:10px;align-items:center;font-size:.82rem;color:#33455f;padding:8px 0}
.miss i{font-style:normal;width:18px;height:18px;border-radius:50%;background:#fdeeec;color:var(--red);display:grid;
  place-items:center;font-size:.62rem;flex:0 0 auto}

/* ============================================================
   INTERACTIVE FIGURE CONTROLS (base — dark overrides above)
   ============================================================ */
.ctrl{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-top:14px;padding-top:13px;border-top:1px solid var(--line)}
.ctrl label{font-size:.72rem;color:var(--muted);white-space:nowrap}
.ctrl input[type=range]{flex:1;min-width:150px;-webkit-appearance:none;appearance:none;height:4px;border-radius:4px;
  background:#dfe4ed;outline:none}
.ctrl input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:17px;height:17px;border-radius:50%;
  background:var(--orange);cursor:pointer;border:3px solid #fff}
.ctrl input[type=range]::-moz-range-thumb{width:17px;height:17px;border-radius:50%;background:var(--orange);cursor:pointer;border:3px solid #fff}
.ags-select{background:#fff;border:1px solid var(--line);border-radius:8px;color:var(--ink);font:inherit;font-size:.8rem;
  padding:7px 10px;outline:none;max-width:100%}
.ags-select:focus{border-color:var(--sky)}
.ctrl input[type=number]{width:104px;background:#fff;border:1px solid var(--line);border-radius:8px;color:var(--ink);
  font:inherit;font-size:.82rem;padding:7px 10px}
.ctrl input[type=number]:focus{outline:none;border-color:var(--sky)}
.readout{display:flex;gap:9px;flex-wrap:wrap;margin-top:12px}
.readout div{background:#fff;border:1px solid var(--line);border-radius:9px;padding:8px 12px;min-width:96px}
.readout span{display:block;font-size:.58rem;letter-spacing:.09em;text-transform:uppercase;color:#8a97ab;font-weight:700;margin-bottom:3px}
.readout b{font-size:.95rem;color:var(--navy);font-weight:700}
.readout b.g{color:var(--green)}
.readout b.a{color:var(--orange)}
.readout b.r{color:var(--red)}

/* ============================================================
   FOOTER (Contrail)
   ============================================================ */
.ftr{background:var(--navy-deep);color:#fff;padding:80px 0 0}
.ftr .wrap{max-width:1240px}
.ftr-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr 1fr;gap:44px;padding-bottom:56px}
.ftr .brand{margin-bottom:18px}
.ftr-lead{color:rgba(255,255,255,.62);font-size:.9rem;max-width:26ch;margin-bottom:24px;line-height:1.6}
.socials{display:flex;gap:18px;font-size:.83rem;color:rgba(255,255,255,.72)}
.socials a:hover{color:var(--orange)}
.ftr h4{font-size:.72rem;letter-spacing:.15em;text-transform:uppercase;color:#7fb0f0;margin-bottom:16px;font-weight:700}
.ftr ul{list-style:none;display:grid;gap:11px}
.ftr ul a{font-size:.86rem;color:rgba(255,255,255,.74)}
.ftr ul a:hover{color:#fff}
.ftr-bot{border-top:1px solid rgba(255,255,255,.14);padding:24px 0;font-size:.78rem;color:rgba(255,255,255,.5)}

/* ============================================================
   RESPONSIVE — desktop / tablet only for now (mobile pass next)
   ============================================================ */
@media(max-width:1100px){
  .nd.mega .nd-panel{grid-template-columns:repeat(3,minmax(0,1fr))}
  .ftr-top{grid-template-columns:1fr 1fr 1fr}
}
@media(max-width:1040px){
  .hdr .wrap{gap:26px}
  .nav{gap:22px}
}
@media(max-width:1000px){
  .dgrid{grid-template-columns:1fr}
}
@media(max-width:960px){
  .ags-hub-head > div:first-child{gap:14px 20px}
  .ags-resume{grid-template-columns:1fr}
  .ags-resume .btn.pri{grid-column:1;grid-row:auto;width:100%;margin-top:14px}
}
@media(max-width:900px){
  .nav,.hdr-actions{display:none}
  .burger{display:block}
  :root{--hdr-h:64px}
  .ags-shell{grid-template-columns:1fr}
  .ags-mob{display:flex}
  .ags-tray{position:fixed;top:0;left:0;bottom:0;width:min(300px,86vw);height:auto;z-index:89;
    transform:translateX(-102%);transition:transform .22s ease;padding-top:22px;box-shadow:22px 0 44px rgba(3,20,52,.25)}
  .ags-tray.open{transform:none}
  .ags-wrap{padding:20px 16px 90px}
  .ags-notesdock{position:static !important;left:auto !important;top:auto !important;display:block;z-index:1}
  .ags-fab{display:none}
  .ags-notes{width:100%;box-shadow:none;margin-bottom:18px}
  .ags-rail{display:none}
  body{--ps:16px}
  .ags-top h2{font-size:21px}
  .ags-done h2{font-size:23px}
  .qcard{padding:18px}
  figure{padding:12px 12px 10px;margin:18px 0}
  .ags-foot{flex-wrap:wrap;gap:10px}
  .ags-count{order:3;width:100%;text-align:center}
}
@media(max-width:640px){
  .wrap{padding:0 20px}
  .ags-wrap.ags-hub{padding:28px 20px 70px}
}

@media print{
  .hdr,.mnav,.mscrim,.ags-mob,.ags-tray,.ags-notes,.ags-stepper,.ags-foot,.ags-pop,.ags-rail,.ftr,.tabbar{display:none !important}
  .ags-page{display:block !important}
  body{background:#fff;color:#000}
}