/* ============================================================
   SkillTree — standalone styles (self-contained, easy to lift out)
   Brand: NAVY #0A2540 · CYAN #00B8D9 · GOLD #C9A14A
   ============================================================ */
:root{
  --navy:#0A2540; --navy-2:#0f3050; --cyan:#00B8D9; --cyan-deep:#006386; --gold:#C9A14A;
  --ink:#0F172A; --body:#475569; --border:#E2E8F0; --surface:#F8FAFC; --white:#fff;
  --shadow:0 4px 22px rgba(10,37,64,.08); --shadow-lg:0 18px 50px rgba(10,37,64,.16);
  --r:14px;
}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:'Inter',system-ui,sans-serif;color:var(--body);background:var(--surface);line-height:1.6}
h1,h2,h3{font-family:'Space Grotesk',sans-serif;color:var(--ink);letter-spacing:-.02em;line-height:1.15}
a{text-decoration:none;color:inherit}
code{background:#e6f7fb;color:#065a70;padding:2px 6px;border-radius:5px;font-size:.92em}

/* nav */
.st-nav{position:sticky;top:0;z-index:50;display:flex;align-items:center;justify-content:space-between;padding:14px 28px;background:rgba(255,255,255,.9);backdrop-filter:blur(12px);border-bottom:1px solid var(--border)}
.st-brand{display:flex;align-items:center;gap:10px}
.st-brand b{font-family:'Space Grotesk';font-weight:700;font-size:18px;color:var(--navy);display:block;line-height:1}
.st-brand em{font-style:normal;font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:var(--cyan-deep)}
.st-links{display:flex;gap:22px;align-items:center}
.st-links a{font-size:14px;font-weight:500;color:var(--ink);transition:.2s}
.st-links a:hover{color:var(--cyan-deep)}

/* buttons */
.st-btn{display:inline-flex;align-items:center;gap:8px;font-weight:600;font-size:15px;padding:13px 24px;border-radius:10px;cursor:pointer;border:none;font-family:'Inter';transition:.25s cubic-bezier(.2,.7,.3,1)}
.st-btn-primary{background:var(--cyan);color:#012b36;box-shadow:0 8px 22px rgba(0,184,217,.3)}
.st-btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 32px rgba(0,184,217,.42)}
.st-btn-ghost{background:rgba(255,255,255,.1);color:#fff;border:1px solid rgba(255,255,255,.3)}
.st-btn-ghost:hover{background:rgba(255,255,255,.2)}
.st-btn-navy{background:var(--navy);color:#fff}
.st-btn-navy:hover{background:var(--navy-2);transform:translateY(-2px)}
.st-btn-out{background:transparent;border:1.5px solid var(--navy);color:var(--navy)}
.st-btn-out:hover{background:var(--navy);color:#fff}

/* hero */
.st-hero{background:linear-gradient(135deg,#071a2e,#0A2540 55%,#0f3a5f);color:#fff;padding:70px 28px 84px;display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center;max-width:1140px;margin:0 auto;position:relative}
.st-eyebrow{font-size:12px;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--cyan)}
.st-hero h1{color:#fff;font-size:clamp(34px,5vw,54px);font-weight:700;margin:14px 0 16px}
.st-hero p{color:#b9cbe0;font-size:17px;max-width:480px}
.st-cta{display:flex;gap:14px;margin:28px 0 34px;flex-wrap:wrap}
.st-stats{display:flex;gap:34px}
.st-stats b{font-family:'Space Grotesk';font-size:28px;color:#fff;display:block}
.st-stats span{font-size:13px;color:#8fa8c4}
/* hero mock card */
.st-mock{background:#fff;border-radius:16px;padding:22px;box-shadow:0 30px 60px rgba(0,0,0,.4);color:var(--ink);max-width:380px;margin-left:auto}
.st-mock-top{display:flex;gap:6px;margin-bottom:16px}
.st-dot{width:10px;height:10px;border-radius:50%;background:#e2e8f0}
.st-dot:first-child{background:#ff6058}.st-dot:nth-child(2){background:#ffbd2e}.st-dot:nth-child(3){background:#28c840}
.st-mock-q{font-size:12px;font-weight:600;color:var(--cyan-deep);letter-spacing:.05em;text-transform:uppercase;margin-bottom:8px}
.st-mock-txt{font-size:15px;color:var(--ink);font-weight:500;margin-bottom:16px}
.st-mock-opt{border:1px solid var(--border);border-radius:9px;padding:11px 14px;font-size:14px;margin-bottom:9px;transition:.2s}
.st-mock-opt.sel{border-color:var(--cyan);background:#e6f7fb;color:#065a70;font-weight:600}
.st-mock-bar{height:6px;background:#eef2f7;border-radius:99px;margin-top:16px;overflow:hidden}
.st-mock-bar span{display:block;height:100%;width:44%;background:linear-gradient(90deg,var(--cyan),var(--gold));border-radius:99px}
@media(max-width:900px){.st-hero{grid-template-columns:1fr;gap:36px}.st-mock{margin:0}}

/* how */
.st-how{max-width:1140px;margin:0 auto;padding:76px 28px}
.st-how-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
@media(max-width:820px){.st-how-grid{grid-template-columns:1fr}}
.st-card{background:#fff;border:1px solid var(--border);border-radius:var(--r);padding:28px;transition:.3s;box-shadow:var(--shadow)}
.st-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg)}
.st-ic{width:40px;height:40px;border-radius:11px;background:linear-gradient(135deg,var(--cyan),var(--cyan-deep));color:#fff;display:flex;align-items:center;justify-content:center;font-family:'Space Grotesk';font-weight:700;margin-bottom:16px}
.st-card h3{font-size:18px;margin-bottom:8px}
.st-card p{font-size:14.5px}
.st-note{text-align:center;font-size:13px;color:var(--body);margin-top:30px;background:#eef2f7;border-radius:10px;padding:14px;max-width:640px;margin-left:auto;margin-right:auto}

/* footer */
.st-foot{border-top:1px solid var(--border);padding:26px 28px;display:flex;justify-content:space-between;font-size:13px;color:#94a3b8;max-width:1140px;margin:0 auto;flex-wrap:wrap;gap:10px}
.st-foot a:hover{color:var(--cyan-deep)}

/* ===== test runner ===== */
.st-wrap{max-width:760px;margin:0 auto;padding:40px 24px 80px}
.st-progress{position:sticky;top:63px;background:var(--surface);padding:14px 0;z-index:10}
.st-pbar{height:8px;background:#e2e8f0;border-radius:99px;overflow:hidden}
.st-pbar span{display:block;height:100%;background:linear-gradient(90deg,var(--cyan),var(--gold));border-radius:99px;transition:width .4s ease;width:0}
.st-pmeta{display:flex;justify-content:space-between;font-size:13px;margin-top:8px;color:var(--body)}
.st-q{background:#fff;border:1px solid var(--border);border-radius:var(--r);padding:32px;box-shadow:var(--shadow);margin-top:20px}
.st-qtag{font-size:12px;font-weight:600;color:var(--cyan-deep);text-transform:uppercase;letter-spacing:.06em}
.st-qtext{font-size:20px;font-family:'Space Grotesk';color:var(--ink);margin:12px 0 22px;line-height:1.35}
.st-opt{display:flex;gap:12px;align-items:center;border:1.5px solid var(--border);border-radius:11px;padding:15px 18px;margin-bottom:12px;cursor:pointer;transition:.2s;font-size:15px}
.st-opt:hover{border-color:var(--cyan);background:#f2fbfd}
.st-opt.chosen{border-color:var(--cyan);background:#e6f7fb;color:#065a70;font-weight:600}
.st-opt .k{width:26px;height:26px;border-radius:7px;background:#eef2f7;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:13px;flex:none;font-family:'Space Grotesk'}
.st-opt.chosen .k{background:var(--cyan);color:#fff}
.st-actions{display:flex;justify-content:space-between;margin-top:24px;gap:12px}
.st-start{background:#fff;border:1px solid var(--border);border-radius:var(--r);padding:40px;box-shadow:var(--shadow);text-align:center;max-width:520px;margin:40px auto}
.st-start h2{font-size:26px;margin-bottom:10px}
.st-start p{margin-bottom:22px}
.st-field{text-align:left;margin-bottom:16px}
.st-field label{display:block;font-size:13px;font-weight:600;color:var(--ink);margin-bottom:6px}
.st-field input,.st-field select{width:100%;padding:12px 14px;border:1px solid var(--border);border-radius:9px;font-family:'Inter';font-size:15px;background:var(--surface)}
.st-field input:focus,.st-field select:focus{outline:none;border-color:var(--cyan);background:#fff}

/* result */
.st-score{text-align:center;background:#fff;border-radius:var(--r);border:1px solid var(--border);box-shadow:var(--shadow);padding:44px}
.st-ring{width:170px;height:170px;margin:0 auto 20px}
.st-scoretxt{font-family:'Space Grotesk';font-weight:700;font-size:44px;fill:var(--navy)}
.st-verdict{display:inline-block;padding:6px 16px;border-radius:99px;font-size:13px;font-weight:600;margin-top:6px}
.v-strong{background:#dcfce7;color:#166534}.v-mid{background:#fef9c3;color:#854d0e}.v-low{background:#fee2e2;color:#991b1b}
.st-break{margin-top:26px;text-align:left}
.st-break .row{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.st-break .row .lb{width:130px;font-size:14px;font-weight:600;color:var(--ink)}
.st-break .row .tr{flex:1;height:9px;background:#eef2f7;border-radius:99px;overflow:hidden}
.st-break .row .tr span{display:block;height:100%;background:linear-gradient(90deg,var(--cyan),var(--cyan-deep));border-radius:99px}
.st-break .row .pc{width:44px;text-align:right;font-size:13px;font-weight:600;color:var(--body)}

/* admin */
.st-admin{max-width:1080px;margin:0 auto;padding:36px 24px 80px}
.st-adminhead{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:14px;margin-bottom:24px}
.st-table{background:#fff;border:1px solid var(--border);border-radius:var(--r);overflow:hidden;box-shadow:var(--shadow)}
.st-table table{width:100%;border-collapse:collapse}
.st-table th{text-align:left;font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:#94a3b8;padding:15px 18px;border-bottom:1px solid var(--border);font-weight:600}
.st-table td{padding:15px 18px;border-bottom:1px solid var(--border);font-size:14.5px}
.st-table tr:last-child td{border-bottom:none}
.st-table tr:hover td{background:#f8fbfd}
.st-pill{display:inline-block;padding:4px 11px;border-radius:99px;font-size:12px;font-weight:600}
.st-kpis{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:24px}
@media(max-width:700px){.st-kpis{grid-template-columns:1fr 1fr}}
.st-kpi{background:#fff;border:1px solid var(--border);border-radius:var(--r);padding:20px;box-shadow:var(--shadow)}
.st-kpi b{font-family:'Space Grotesk';font-size:28px;color:var(--navy);display:block}
.st-kpi span{font-size:13px;color:var(--body)}
.st-badge{background:var(--gold);color:#3a2c05;font-size:11px;font-weight:700;padding:3px 9px;border-radius:6px;letter-spacing:.04em}

/* ---- review step ---- */
.st-review{display:flex;flex-direction:column;gap:10px;margin-top:20px;text-align:left}
.st-rev-row{border:1px solid var(--st-border,#e2e8f0);border-radius:12px;padding:14px 16px;cursor:pointer;transition:.2s;background:#fff}
.st-rev-row:hover{border-color:#00B8D9;box-shadow:0 2px 10px rgba(0,0,0,.05)}
.st-rev-row.miss{border-color:#fca5a5;background:#fff7f7}
.st-rev-q{font-size:14px;color:#0f172a;margin-bottom:6px;line-height:1.4}
.st-rev-q b{color:#00658d;margin-right:6px}
.st-rev-a{font-size:13.5px;color:#475569;font-weight:500}
.st-unans{color:#dc2626;font-style:italic}

/* ---- warning modal ---- */
.st-modal{position:fixed;inset:0;background:rgba(10,37,64,.55);backdrop-filter:blur(3px);display:flex;align-items:center;justify-content:center;z-index:9999;padding:20px}
.st-modal-box{background:#fff;border-radius:18px;padding:34px 30px;max-width:420px;text-align:center;box-shadow:0 30px 70px rgba(0,0,0,.3)}
.st-modal-icon{font-size:38px;margin-bottom:10px}
.st-modal-box h3{font-size:20px;color:#0A2540;margin-bottom:10px}
.st-modal-box p{font-size:14.5px;color:#475569;line-height:1.5;margin-bottom:22px}

/* ---- positioning section ---- */
.st-position{max-width:1100px;margin:0 auto;padding:20px 24px 40px}
.st-position-inner{display:grid;grid-template-columns:1fr 1fr;gap:36px;background:linear-gradient(135deg,#0A2540,#0f3a5f);border-radius:22px;padding:44px 40px;color:#fff}
.st-position-col h2{font-size:24px;line-height:1.3;color:#fff;margin:10px 0 14px}
.st-position-col h3{font-size:20px;color:#00B8D9;margin-bottom:14px}
.st-position-col p{font-size:15px;line-height:1.6;color:#c9d8e8;margin-bottom:18px}
.st-position .st-eyebrow{color:#00B8D9}
@media(max-width:760px){.st-position-inner{grid-template-columns:1fr;gap:22px;padding:32px 24px}}

/* SkillTree brand tag next to the VicTree logo */
.st-brand-tag{font-family:'Space Grotesk','Montserrat',sans-serif;font-weight:700;font-size:13px;color:#00658d;background:#e8f6fb;border:1px solid #bfe7f5;padding:3px 9px;border-radius:7px;letter-spacing:.02em}

/* required-field asterisk */
.st-req{color:#dc2626;font-weight:700}