/* ================= MDIS design system ================= */
:root{
  --navy:#0A1B3D; --navy-2:#142B5F; --navy-3:#051025;
  --sky:#4FA9E0; --sky-deep:#2C7AB8; --sky-dark:#1B5B93;
  --sky-light:#A8D8F0; --sky-pale:#E8F4FC; --sky-mist:#F5FAFE;
  --orange:#F07830; --orange-deep:#C55A18;
  --teal:#10A88C; --violet:#7C4CD8; --amber:#E5B451;
  --cream:#F7F4EE; --cream-2:#FAF6EE;
  --char:#1A1A1A; --slate:#5A6473; --slate-light:#94A0AE; --hairline:#E4E8ED;
  --display:'Fraunces',Georgia,serif;
  --body:'Inter',-apple-system,BlinkMacSystemFont,sans-serif;
  --mono:'Space Grotesk','Inter',sans-serif;
  --radius-lg:22px; --radius-md:14px; --radius-sm:10px; --radius-pill:999px;
  --shadow-cta:0 6px 22px rgba(44,122,184,0.35);
}

.wrap{max-width:820px;margin:0 auto;padding:0 clamp(18px,4vw,32px)}

/* ---------- masthead ---------- */
.masthead{
  background:linear-gradient(150deg,var(--navy-2) 0%,var(--navy) 55%,var(--navy-3) 100%);
  color:#fff;padding:48px 0 42px;position:relative;overflow:hidden;
}
.masthead::before{
  content:"";position:absolute;top:-180px;right:-140px;
  width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(79,169,224,0.16) 0%,transparent 70%);
  pointer-events:none;
}
.mast-inner{position:relative;z-index:1}
.mast-school{
  font-family:var(--mono);font-size:10.5px;letter-spacing:0.2em;text-transform:uppercase;
  font-weight:700;color:var(--sky);margin-bottom:20px;
}
.masthead h1{
  font-family:var(--display);font-weight:700;
  font-size:clamp(30px,5.4vw,50px);line-height:1.06;letter-spacing:-0.02em;
  margin:0 0 16px;
}
.masthead h1 em{color:var(--sky-light);font-style:italic;font-weight:600}
.mast-lede{
  font-size:clamp(14.5px,1.7vw,17px);line-height:1.6;
  color:rgba(255,255,255,0.82);max-width:560px;margin:0;
}
.mast-meta{
  display:flex;gap:22px;flex-wrap:wrap;margin-top:26px;
  font-family:var(--mono);font-size:11px;letter-spacing:0.1em;
  text-transform:uppercase;font-weight:600;color:rgba(255,255,255,0.55);
}
.mast-meta span{display:inline-flex;align-items:center;gap:8px}
.mast-meta span::before{
  content:"";width:6px;height:6px;border-radius:50%;background:var(--sky);
}

/* ---------- stage / progress ---------- */
.board{
  background:#fff;border:1px solid var(--hairline);
  border-radius:var(--radius-lg);
  box-shadow:0 14px 44px rgba(10,27,61,0.07);
  margin:-26px 0 60px;position:relative;z-index:2;overflow:hidden;
}
.progress{
  display:flex;align-items:center;gap:14px;
  padding:16px 26px;border-bottom:1px solid var(--hairline);
  background:var(--sky-mist);
}
.progress-label{
  font-family:var(--mono);font-size:10.5px;letter-spacing:0.14em;
  text-transform:uppercase;font-weight:700;color:var(--sky-deep);white-space:nowrap;
}
.progress-track{
  flex:1;height:6px;background:rgba(44,122,184,0.15);
  border-radius:99px;overflow:hidden;
}
.progress-fill{
  height:100%;width:0;border-radius:99px;
  background:linear-gradient(90deg,var(--sky) 0%,var(--sky-deep) 100%);
  transition:width .45s cubic-bezier(0.32,0.72,0,1);
}
.step{padding:34px clamp(22px,4vw,42px) 38px;display:none}
.step.active{display:block;animation:rise .4s ease both}
@keyframes rise{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}

.q-count{
  font-family:var(--mono);font-size:10.5px;letter-spacing:0.16em;
  text-transform:uppercase;font-weight:700;color:var(--slate-light);margin-bottom:12px;
}
.q-title{
  font-family:var(--display);font-weight:700;
  font-size:clamp(22px,3.2vw,29px);line-height:1.2;color:var(--navy);
  margin:0 0 10px;letter-spacing:-0.01em;
}
.q-help{font-size:14px;line-height:1.6;color:var(--slate);margin:0 0 24px;max-width:600px}

/* ---------- options ---------- */
.opts{display:flex;flex-direction:column;gap:10px}
.opt{
  display:flex;align-items:flex-start;gap:14px;
  width:100%;text-align:left;
  padding:17px 20px;
  background:var(--cream-2);
  border:1.5px solid var(--hairline);
  border-radius:var(--radius-md);
  transition:border-color .2s ease, background .2s ease, transform .15s ease;
}
.opt:hover{border-color:var(--sky-deep);background:#fff;transform:translateX(3px)}
.opt.chosen{border-color:var(--navy);background:var(--navy);color:#fff}
.opt-key{
  width:26px;height:26px;border-radius:50%;flex-shrink:0;
  border:1.5px solid var(--slate-light);
  display:flex;align-items:center;justify-content:center;
  font-family:var(--mono);font-size:11px;font-weight:700;color:var(--slate);
  margin-top:1px;transition:all .2s ease;
}
.opt.chosen .opt-key{background:var(--sky);border-color:var(--sky);color:var(--navy)}
.opt-text{flex:1;min-width:0}
.opt-main{font-size:15px;font-weight:600;color:var(--navy);line-height:1.35}
.opt.chosen .opt-main{color:#fff}
.opt-note{font-size:12.5px;color:var(--slate);line-height:1.45;margin-top:3px}
.opt.chosen .opt-note{color:rgba(255,255,255,0.72)}

.nav-row{
  display:flex;justify-content:space-between;align-items:center;gap:14px;
  margin-top:26px;padding-top:20px;border-top:1px solid var(--hairline);
}
.link-back{
  font-size:13.5px;font-weight:600;color:var(--slate);
  display:inline-flex;align-items:center;gap:7px;padding:8px 2px;
}
.link-back:hover{color:var(--navy)}
.link-back[hidden]{visibility:hidden}
.hint{font-size:12.5px;color:var(--slate-light)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:14px 26px;border-radius:var(--radius-pill);
  font-weight:600;font-size:14.5px;border:2px solid transparent;min-height:48px;
  transition:transform .2s ease, background-color .2s ease, color .2s ease, box-shadow .25s ease;
}
.btn-sky{background:var(--sky-deep);color:#fff;box-shadow:var(--shadow-cta)}
.btn-sky:hover{background:var(--sky-dark);transform:translateY(-2px)}
.btn-navy{background:var(--navy);color:#fff}
.btn-navy:hover{background:var(--navy-2);transform:translateY(-2px)}
.btn-outline{border-color:var(--navy);color:var(--navy)}
.btn-outline:hover{background:var(--navy);color:#fff}
.btn-ghost{border-color:var(--hairline);color:var(--slate)}
.btn-ghost:hover{border-color:var(--slate);color:var(--navy)}

/* ---------- verdict ---------- */
.verdict-head{
  padding:38px clamp(22px,4vw,42px);color:#fff;position:relative;overflow:hidden;
}
.verdict-head::before{
  content:"";position:absolute;top:-140px;right:-100px;width:380px;height:380px;
  border-radius:50%;background:radial-gradient(circle,rgba(255,255,255,0.14) 0%,transparent 70%);
}
.v-strong{background:linear-gradient(135deg,var(--teal) 0%,#0B7359 100%)}
.v-likely{background:linear-gradient(135deg,var(--sky-deep) 0%,var(--navy) 100%)}
.v-else  {background:linear-gradient(135deg,#6B7A8F 0%,var(--navy) 100%)}
.verdict-badge{
  display:inline-flex;align-items:center;gap:9px;
  background:rgba(255,255,255,0.18);border:1px solid rgba(255,255,255,0.3);
  padding:7px 15px;border-radius:var(--radius-pill);
  font-family:var(--mono);font-size:10.5px;letter-spacing:0.16em;
  text-transform:uppercase;font-weight:700;margin-bottom:18px;
  position:relative;z-index:1;
}
.verdict-head h2{
  font-family:var(--display);font-weight:700;
  font-size:clamp(25px,3.8vw,36px);line-height:1.15;margin:0 0 12px;
  letter-spacing:-0.015em;position:relative;z-index:1;
}
.verdict-head p{
  font-size:15.5px;line-height:1.65;color:rgba(255,255,255,0.88);
  margin:0;max-width:600px;position:relative;z-index:1;
}
.verdict-body{padding:34px clamp(22px,4vw,42px) 40px}
.vb-eyebrow{
  font-family:var(--mono);font-size:10.5px;letter-spacing:0.16em;
  text-transform:uppercase;font-weight:700;color:var(--sky-deep);margin-bottom:12px;
}
.vb-h{
  font-family:var(--display);font-weight:700;font-size:20px;line-height:1.25;
  color:var(--navy);margin:0 0 12px;
}
.reasons{list-style:none;padding:0;margin:0 0 28px;display:flex;flex-direction:column;gap:11px}
.reasons li{
  display:flex;align-items:flex-start;gap:12px;
  font-size:14.5px;line-height:1.55;color:var(--char);
}
.reasons li .mark{
  width:22px;height:22px;border-radius:50%;flex-shrink:0;margin-top:1px;
  display:flex;align-items:center;justify-content:center;
  font-size:12px;font-weight:700;color:#fff;
}
.mark-yes{background:var(--teal)}
.mark-watch{background:var(--amber)}
.mark-no{background:#8792A6}

.callout{
  padding:22px 24px;border-radius:var(--radius-md);
  background:var(--sky-mist);border:1px solid rgba(79,169,224,0.25);
  margin-bottom:28px;
}
.callout.warm{background:#FFF4EC;border-color:#F5C39F}
.callout h4{
  font-family:var(--display);font-weight:700;font-size:16px;color:var(--navy);
  margin:0 0 8px;
}
.callout p{font-size:13.8px;line-height:1.6;color:var(--slate);margin:0}
.callout p + p{margin-top:9px}

.guide-card{
  display:flex;align-items:center;gap:18px;
  padding:20px 22px;border:1.5px solid var(--hairline);border-radius:var(--radius-md);
  background:#fff;margin-bottom:24px;transition:border-color .2s ease, box-shadow .2s ease;
}
.guide-card:hover{border-color:var(--sky-deep);box-shadow:0 8px 22px rgba(10,27,61,0.07)}
.guide-ico{
  width:46px;height:46px;border-radius:12px;flex-shrink:0;
  background:linear-gradient(135deg,var(--sky) 0%,var(--sky-deep) 100%);
  color:#fff;display:flex;align-items:center;justify-content:center;
  font-family:var(--mono);font-size:11px;font-weight:700;
}
.guide-text{flex:1;min-width:0}
.guide-text strong{
  display:block;font-family:var(--display);font-size:15.5px;color:var(--navy);
  font-weight:700;line-height:1.25;
}
.guide-text span{font-size:12.5px;color:var(--slate);line-height:1.4;display:block;margin-top:2px}

.actions{display:flex;gap:11px;flex-wrap:wrap;margin-bottom:22px}
.actions .btn{flex:1;min-width:190px}

.restart{
  text-align:center;padding-top:20px;border-top:1px solid var(--hairline);
  font-size:13px;color:var(--slate);
}
.restart button{
  font-weight:600;color:var(--sky-deep);border-bottom:1.5px solid var(--sky-deep);
  padding:2px 0;font-size:13px;
}

@media (max-width:640px){
  .masthead{padding:38px 0 48px}
  .board{margin-top:-18px}
  .step{padding:26px 20px 30px}
  .verdict-head{padding:30px 22px}
  .verdict-body{padding:26px 22px 32px}
  .actions .btn{min-width:100%}
  .foot-grid{grid-template-columns:1fr;gap:22px}
  .guide-card{flex-wrap:wrap}
  .step {
    text-align: center;
  }
  .wrap .mast-inner {
    text-align: center;
    padding: 0 clamp(15px,4vw,40px);
  }
  .mast-meta {
    justify-content: center;
    font-size: 10.5px;
  }
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms !important;transition-duration:.01ms !important}
}