/* Byggkunskap – kurswebb LED. Profil: #003366 / #F28C28 / #666666, Montserrat + Inter */
:root{
  --navy:#003366; --navy-dark:#002548; --orange:#F28C28; --grey:#666666;
  --paper:#F4F6F8; --card:#FFFFFF; --line:#D9E0E7; --ok:#2E7D32; --err:#B3402A;
  --maxw:880px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important;animation:none!important}}
body{margin:0;font-family:'Inter',system-ui,sans-serif;font-size:17px;line-height:1.65;color:#1C2733;background:var(--paper)}
h1,h2,h3,h4{font-family:'Montserrat',sans-serif;color:var(--navy);line-height:1.25;margin:0 0 .5em}
h1{font-size:1.9rem;font-weight:800;letter-spacing:-.01em}
h2{font-size:1.35rem;font-weight:700;margin-top:1.6em}
h3{font-size:1.08rem;font-weight:700}
p{margin:.4em 0 1em}
a{color:var(--navy);text-decoration-color:var(--orange);text-underline-offset:3px}
a:hover{color:var(--orange)}
:focus-visible{outline:3px solid var(--orange);outline-offset:2px;border-radius:2px}

/* Header */
.site-header{background:var(--navy);color:#fff}
.site-header .inner{max-width:var(--maxw);margin:0 auto;padding:14px 20px;display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.wordmark{font-family:'Montserrat',sans-serif;font-weight:800;font-size:1.05rem;color:#fff;text-decoration:none;letter-spacing:.02em}
.wordmark .dot{color:var(--orange)}
.tagline{font-size:.8rem;color:#B9C6D4;margin-right:auto}
.alias-chip{font-size:.82rem;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.25);border-radius:999px;padding:4px 12px;color:#fff}
.alias-chip button{background:none;border:0;color:var(--orange);cursor:pointer;font:inherit;padding:0 0 0 8px}

.wrap{max-width:var(--maxw);margin:0 auto;padding:28px 20px 64px}
.card{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:24px 26px;margin:0 0 20px}
.eyebrow{font-family:'Montserrat',sans-serif;font-size:.72rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--orange);margin-bottom:6px}
.muted{color:var(--grey);font-size:.92rem}
.badge{display:inline-block;font-size:.75rem;font-weight:600;border-radius:4px;padding:2px 8px;vertical-align:middle}
.badge.free{background:#FCEBD8;color:#8A4B0F}
.notice-free{border-left:4px solid var(--orange);background:#FFF8F0;padding:12px 16px;border-radius:0 8px 8px 0;font-size:.92rem;margin:0 0 20px}

/* Kapitelryggraden (signatur) */
.spine{list-style:none;margin:26px 0 8px;padding:0;position:relative}
.spine::before{content:"";position:absolute;left:15px;top:8px;bottom:8px;width:2px;background:var(--line)}
.spine li{position:relative;padding:0 0 18px 46px}
.spine li:last-child{padding-bottom:0}
.spine .node{position:absolute;left:6px;top:2px;width:20px;height:20px;border-radius:50%;background:#fff;border:2px solid var(--navy);display:flex;align-items:center;justify-content:center;font:700 .68rem 'Montserrat',sans-serif;color:var(--navy)}
.spine li.open .node{background:var(--navy);color:#fff}
.spine li.locked{opacity:.55}
.spine a{font-weight:600;text-decoration:none}
.spine .sub{display:block;font-size:.85rem;color:var(--grey)}

/* Schema */
table{width:100%;border-collapse:collapse;font-size:.9rem;margin:10px 0 6px}
th{font-family:'Montserrat',sans-serif;font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:var(--grey);text-align:left;padding:8px 10px;border-bottom:2px solid var(--navy)}
td{padding:9px 10px;border-bottom:1px solid var(--line);vertical-align:top}
tr.self td{background:#FAFBFC;color:#3A4652}
tr.exam td{background:#FFF4E8;font-weight:600}

/* Flikar */
.tabs{display:flex;gap:4px;flex-wrap:wrap;border-bottom:2px solid var(--line);margin:20px 0 0;padding:0}
.tabs button{font:600 .88rem 'Montserrat',sans-serif;background:none;border:0;border-bottom:3px solid transparent;padding:10px 14px;cursor:pointer;color:var(--grey)}
.tabs button[aria-selected="true"]{color:var(--navy);border-bottom-color:var(--orange)}
.tabpanel{display:none;padding-top:18px}
.tabpanel.active{display:block}

/* Quiz */
.quiz-q{border:1px solid var(--line);border-radius:8px;padding:16px 18px;margin:0 0 14px;background:#fff}
.quiz-q h3{font-size:.98rem;margin-bottom:10px}
.quiz-q label{display:block;padding:8px 12px;border:1px solid var(--line);border-radius:6px;margin:6px 0;cursor:pointer}
.quiz-q label:hover{border-color:var(--navy)}
.quiz-q label.correct{border-color:var(--ok);background:#EDF6EE}
.quiz-q label.wrong{border-color:var(--err);background:#FBEFEC}
.feedback{font-size:.88rem;margin-top:8px;padding:8px 12px;border-radius:6px;display:none}
.feedback.show{display:block}
.feedback.good{background:#EDF6EE;color:var(--ok)}
.feedback.bad{background:#FBEFEC;color:var(--err)}
.btn{display:inline-block;font:700 .9rem 'Montserrat',sans-serif;background:var(--navy);color:#fff;border:0;border-radius:6px;padding:11px 22px;cursor:pointer;text-decoration:none}
.btn:hover{background:var(--navy-dark);color:#fff}
.btn.secondary{background:#fff;color:var(--navy);border:2px solid var(--navy)}
.quiz-result{font-family:'Montserrat',sans-serif;font-weight:700;font-size:1.05rem;color:var(--navy);margin:14px 0}

/* Grind */
.gate-overlay{position:fixed;inset:0;background:rgba(0,25,51,.92);display:flex;align-items:center;justify-content:center;padding:20px;z-index:50}
.gate-card{background:#fff;border-radius:12px;max-width:430px;width:100%;padding:32px 30px}
.gate-card h2{margin-top:0}
.gate-card input{width:100%;font:inherit;padding:11px 12px;border:1px solid var(--line);border-radius:6px;margin:4px 0 14px}
.gate-err{color:var(--err);font-size:.88rem;display:none;margin:-6px 0 10px}
.hidden{display:none!important}

footer{border-top:1px solid var(--line);margin-top:40px;padding:22px 20px;text-align:center;font-size:.82rem;color:var(--grey)}

/* Landningssidan */
.hero{background:var(--navy);color:#fff;padding:72px 20px 80px;text-align:center}
.hero h1{color:#fff;font-size:2.4rem;margin-bottom:.3em}
.hero .devis{color:var(--orange);font-family:'Montserrat',sans-serif;font-weight:600;font-size:1.1rem;letter-spacing:.04em}
.hero p{max-width:560px;margin:18px auto 28px;color:#C9D4DF}
@media(max-width:600px){h1{font-size:1.5rem}.hero h1{font-size:1.8rem}.wrap{padding:20px 14px 48px}.card{padding:18px 16px}}

/* Resultatöversikt */
#resultat-oversikt{margin-top:2rem;padding:1.2rem 1.4rem;background:#f4f7fa;border-left:4px solid #F28C28;border-radius:6px}
#resultat-oversikt.hidden{display:none}
.reslist{list-style:none;padding:0;margin:0.6rem 0}
.reslist li{padding:0.3rem 0;border-bottom:1px solid #e2e8ee}
.reslist li:last-child{border-bottom:none}

/* Poddsektion */
#podd{margin-top:2rem;padding:1.2rem 1.4rem;background:#f4f7fa;border-left:4px solid #003366;border-radius:6px}
#podd iframe{margin-top:0.6rem}

/* Figurbibliotek */
.figur{margin-top:2.2rem}
.figur h2{color:#003366}
.lasanvisning{background:#f4f7fa;border-left:4px solid #F28C28;padding:0.8rem 1rem;border-radius:6px;margin-top:0.8rem}