/* ===========================================================================
   fiberONE — Geschäftskunden-Dokumente
   Gemeinsames Stylesheet für AGB, Leistungsbeschreibung, Bestellformular
   und SEPA-Lastschriftmandat. Aufgebaut auf dem Design der Endkunden-AGB.
   Assets liegen zwei Ebenen höher: ../../assets/
   =========================================================================== */

:root{color-scheme:dark;
  --bg:#04070F; --panel:#0A1120; --panel-2:#0D1526;
  --line:rgba(142,205,255,.13); --line-strong:rgba(142,205,255,.28);
  --cyan:#39C2FF; --beam:#AEE4FF;
  --ink:#F2F7FC; --ink-soft:rgba(226,240,252,.64); --ink-soft2:rgba(226,240,252,.42);
  --accent:#39C2FF; --accent-2:#8B7CFF;
  --display:"Dosis",system-ui,sans-serif; --body:"Instrument Sans",system-ui,sans-serif; --mono:"IBM Plex Mono",ui-monospace,monospace;
  --maxw:880px; --radius:16px;
  --field:#0F1A2E; --field-line:rgba(142,205,255,.34);
}
body.day{color-scheme:light;
  --bg:#EAF2FA; --panel:#FFFFFF; --panel-2:#E9F1F8;
  --line:rgba(14,127,191,.16); --line-strong:rgba(14,127,191,.30);
  --ink:#07182A; --ink-soft:rgba(12,30,50,.66); --ink-soft2:rgba(12,30,50,.46);
  --accent:#0E7FBF; --beam:#0E7FBF;
  --field:#F5FAFE; --field-line:rgba(14,127,191,.34);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0; background:var(--bg); color:var(--ink);
  font-family:var(--body); font-size:17px; line-height:1.65;
  -webkit-font-smoothing:antialiased; transition:background-color .5s ease,color .5s ease;
}
a{color:inherit}
::selection{background:rgba(57,194,255,.35)}

/* ---------- Nav ---------- */
.nav{position:fixed;top:0;left:0;right:0;z-index:50;display:flex;align-items:center;justify-content:space-between;gap:clamp(18px,3vw,40px);
  padding:0 clamp(20px,4vw,48px);height:68px;background:rgba(4,7,15,.82);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
body.day .nav{background:rgba(255,255,255,.86)}
.nav .logo{font-family:var(--display);font-weight:700;font-size:23px;color:var(--ink);text-decoration:none}
.nav .logo b{color:var(--cyan);font-weight:700}
.nav-right{display:flex;align-items:center;gap:14px}
.nav-back{font-family:var(--mono);font-size:12.5px;letter-spacing:.04em;color:var(--ink-soft);text-decoration:none;display:inline-flex;align-items:center;gap:7px;padding:7px 13px;border:1px solid var(--line-strong);border-radius:999px;transition:border-color .2s,color .2s}
.nav-back:hover{border-color:var(--cyan);color:var(--beam)}
.theme-toggle{width:40px;height:40px;border-radius:50%;flex:none;display:inline-flex;align-items:center;justify-content:center;background:rgba(57,194,255,.1);border:1px solid var(--line-strong);color:var(--cyan);cursor:pointer;transition:border-color .2s,transform .15s}
.theme-toggle:hover{border-color:var(--cyan);transform:translateY(-1px)}
.theme-toggle svg{width:19px;height:19px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}

/* Einheitliche Hauptnavigation (identisch zu site.css, auf Dokument-Variablen gemappt) */
.nav-links{display:flex;gap:30px;font-size:15px;color:var(--ink-soft)}
.nav-links a{transition:color .2s;padding:6px 0;color:var(--ink-soft);text-decoration:none}
.nav-links a:hover{color:var(--ink)}
.nav-links a.here{color:var(--beam)}
body.day .nav-links a.here{color:var(--cyan)}
.nav-cta{font-size:14px;font-weight:600;font-family:var(--body);color:#04212F;background:var(--cyan);border:none;border-radius:999px;padding:10px 20px;display:inline-block;white-space:nowrap;text-decoration:none;transition:transform .15s,box-shadow .25s}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 6px 30px rgba(57,194,255,.5)}
.burger{display:none;background:none;border:1px solid var(--line-strong);border-radius:8px;color:var(--ink);width:42px;height:38px;font-size:18px;line-height:1;cursor:pointer}
.lang-switch{flex:none;white-space:nowrap}
@media(max-width:1150px){
  .theme-toggle{display:none}
  .nav-links{display:none;position:fixed;top:68px;left:0;right:0;flex-direction:column;gap:0;background:rgba(4,7,15,.97);border-bottom:1px solid var(--line);padding:8px 24px 18px}
  body.day .nav-links{background:rgba(255,255,255,.97)}
  .nav-links.open{display:flex}
  .nav-links a{padding:13px 4px;border-bottom:1px solid rgba(142,205,255,.07);font-size:16px}
  .burger{display:block}
  .nav-cta{display:none}
}

/* ---------- Kopfbereich ---------- */
.masthead{padding:132px 24px 44px;border-bottom:1px solid var(--line);position:relative;overflow:hidden}
.masthead::after{content:"";position:absolute;left:0;bottom:-1px;height:2px;width:160px;background:linear-gradient(90deg,var(--cyan),var(--accent-2))}
.masthead .inner{max-width:var(--maxw);margin:0 auto}
.eyebrow{font-family:var(--mono);text-transform:uppercase;letter-spacing:.14em;font-size:.8rem;font-weight:500;color:var(--cyan);margin:0 0 14px;display:flex;align-items:center;gap:10px}
.eyebrow::before{content:"";width:34px;height:1px;background:var(--cyan)}
.masthead h1{font-family:var(--display);margin:0 0 10px;font-size:clamp(2rem,5vw,3rem);font-weight:700;line-height:1.1;letter-spacing:.005em;color:var(--ink)}
.masthead .sub{font-size:1.05rem;color:var(--ink-soft);margin:0 0 18px}
.masthead .meta{font-family:var(--mono);font-size:.82rem;color:var(--ink-soft2);line-height:1.7}
.draft-badge{display:inline-block;margin-top:16px;padding:5px 14px;background:rgba(57,194,255,.12);border:1px solid rgba(57,194,255,.4);border-radius:999px;font-size:.75rem;font-weight:600;letter-spacing:.04em;color:var(--beam);font-family:var(--mono)}

/* ---------- Layout ---------- */
.wrap{max-width:var(--maxw);margin:40px auto 0;padding:0 24px 80px;position:relative}

/* ---------- Inhaltsübersicht ---------- */
.toc{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:24px 28px;margin-bottom:36px}
.toc h2{font-family:var(--mono);margin:0 0 16px;font-size:.8rem;text-transform:uppercase;letter-spacing:.1em;color:var(--ink-soft)}
.toc ol{margin:0;padding:0;list-style:none;columns:2;column-gap:36px}
.toc li{margin:0 0 9px;font-size:.92rem;break-inside:avoid}
.toc a{color:var(--ink);text-decoration:none;display:flex;gap:10px}
.toc a:hover{color:var(--cyan)}
.toc .num{color:var(--cyan);font-weight:700;min-width:1.6em;text-align:right;font-family:var(--mono)}

/* ---------- Abschnitte ---------- */
section.clause{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:28px 32px;margin-bottom:16px;scroll-margin-top:90px;transition:border-color .25s}
section.clause:hover{border-color:var(--line-strong)}
section.clause>h2{font-family:var(--display);margin:0 0 18px;font-size:1.4rem;font-weight:700;display:flex;align-items:baseline;gap:12px;padding-bottom:12px;border-bottom:1px solid var(--line);color:var(--ink)}
section.clause>h2 .num{color:var(--cyan);font-variant-numeric:tabular-nums;min-width:1.6em;font-family:var(--mono)}
section.clause.sub-section{border-left:3px solid var(--accent-2)}
section.clause.sub-section>h2 .num{color:var(--accent-2)}

.sub{display:flex;gap:14px;margin-bottom:13px}
.sub:last-child{margin-bottom:0}
.sub .ref{flex:0 0 auto;min-width:2.6em;font-weight:700;color:var(--cyan);font-variant-numeric:tabular-nums;font-size:.92rem;padding-top:1px;font-family:var(--mono)}
.sub .body{margin:0;color:var(--ink-soft)}
.sub .body p{margin:0 0 8px}
.sub .body p:last-child{margin-bottom:0}
.sub .lead{font-weight:600;color:var(--ink)}

.clause ul{margin:8px 0 0;padding-left:1.2em;color:var(--ink-soft)}
.clause ul li{margin-bottom:6px}
.clause .single{margin:0;color:var(--ink-soft)}

a.inline{color:var(--cyan);text-decoration:none}
a.inline:hover{text-decoration:underline}

.top{display:inline-block;margin-top:16px;font-size:.82rem;color:var(--cyan);text-decoration:none;font-family:var(--mono)}
.top:hover{text-decoration:underline}

/* ---------- Tabellen (Leistungsbeschreibung) ---------- */
.tbl-wrap{overflow-x:auto;margin:6px 0 2px}
table.data{width:100%;border-collapse:collapse;font-size:.9rem;color:var(--ink-soft)}
table.data caption{text-align:left;font-family:var(--mono);font-size:.74rem;text-transform:uppercase;letter-spacing:.08em;color:var(--ink-soft2);padding-bottom:9px}
table.data th,table.data td{text-align:left;padding:10px 14px;border-bottom:1px solid var(--line);vertical-align:top}
table.data thead th{font-family:var(--mono);font-size:.74rem;text-transform:uppercase;letter-spacing:.06em;color:var(--cyan);font-weight:500;border-bottom:1px solid var(--line-strong)}
table.data tbody tr:last-child td{border-bottom:none}
table.data .vk{font-family:var(--mono);font-weight:600;color:var(--ink);white-space:nowrap}
table.data .pct{font-family:var(--mono);font-variant-numeric:tabular-nums;color:var(--beam);white-space:nowrap}
table.data tbody tr:hover{background:rgba(57,194,255,.05)}

/* ---------- Hinweis-Box ---------- */
.callout{margin:14px 0 2px;padding:16px 20px;background:var(--panel-2);border:1px solid var(--line-strong);border-left:3px solid var(--cyan);border-radius:12px;color:var(--ink-soft);font-size:.95rem}
.callout .lead{display:block;color:var(--ink);font-weight:600;margin-bottom:5px}

/* ---------- Formular-Elemente (Bestellung & SEPA) ---------- */
.form-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:28px 32px;margin-bottom:16px}
.form-card>h2{font-family:var(--display);margin:0 0 6px;font-size:1.4rem;font-weight:700;display:flex;align-items:baseline;gap:12px;color:var(--ink)}
.form-card>h2 .num{color:var(--cyan);font-family:var(--mono);min-width:1.6em}
.form-card .hint{color:var(--ink-soft2);font-size:.88rem;margin:0 0 20px;padding-bottom:14px;border-bottom:1px solid var(--line)}

.field-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px 20px}
.field-grid.cols-3{grid-template-columns:repeat(3,1fr)}
.field{display:flex;flex-direction:column;gap:6px}
.field.span-2{grid-column:span 2}
.field.span-all{grid-column:1 / -1}
.field label{font-family:var(--mono);font-size:.72rem;text-transform:uppercase;letter-spacing:.07em;color:var(--ink-soft);font-weight:500}
.field label .req{color:var(--accent-2)}
.field input,.field select,.field textarea{
  font-family:var(--body);font-size:1rem;color:var(--ink);
  background:var(--field);border:1px solid var(--field-line);border-radius:10px;
  padding:11px 13px;width:100%;transition:border-color .18s,box-shadow .18s;
}
.field input::placeholder,.field textarea::placeholder{color:var(--ink-soft2)}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--cyan);box-shadow:0 0 0 3px rgba(57,194,255,.16)}
.field textarea{resize:vertical;min-height:74px;line-height:1.55}
.field .mono-in{font-family:var(--mono);letter-spacing:.04em}

/* IBAN-Kästchen-Optik */
.field input.iban{letter-spacing:.22em;font-family:var(--mono);text-transform:uppercase}

/* Auswahl-Optionen (Tarif / Hardware) */
.opt-list{display:flex;flex-direction:column;gap:12px;margin-top:4px}
.opt{display:flex;gap:14px;align-items:flex-start;padding:16px 18px;background:var(--field);border:1px solid var(--field-line);border-radius:12px;cursor:pointer;transition:border-color .18s,background .18s}
.opt:hover{border-color:var(--line-strong)}
.opt:has(input:checked){border-color:var(--cyan);background:rgba(57,194,255,.08)}
.opt input{margin-top:3px;width:18px;height:18px;flex:none;accent-color:var(--cyan);cursor:pointer}
.opt .opt-main{flex:1;min-width:0}
.opt .opt-title{font-weight:600;color:var(--ink);display:flex;flex-wrap:wrap;gap:8px;align-items:baseline}
.opt .opt-desc{font-size:.9rem;color:var(--ink-soft);margin-top:4px}
.opt .price{font-family:var(--mono);font-size:.86rem;color:var(--beam);white-space:nowrap;margin-left:auto}
.opt .price small{color:var(--ink-soft2)}

.inline-row{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:6px}
.chk{display:inline-flex;gap:9px;align-items:flex-start;font-size:.95rem;color:var(--ink-soft);cursor:pointer}
.chk input{margin-top:3px;width:17px;height:17px;flex:none;accent-color:var(--cyan);cursor:pointer}
.chk.accept{align-items:flex-start;color:var(--ink-soft);font-size:.92rem;line-height:1.55}

.qty{display:inline-flex;align-items:center;gap:8px}
.qty input{width:84px}

/* Signatur-Block */
.sig-grid{display:grid;grid-template-columns:1fr 1.3fr;gap:26px;margin-top:8px}
.sig{display:flex;flex-direction:column;gap:7px}
.sig .line{height:46px;border-bottom:1.5px solid var(--field-line)}
.sig .cap{font-family:var(--mono);font-size:.72rem;text-transform:uppercase;letter-spacing:.06em;color:var(--ink-soft2)}

/* Aktionsleiste */
.actions-bar{position:sticky;bottom:0;z-index:40;display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
  margin-top:30px;padding:16px 20px;background:rgba(10,17,32,.9);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border:1px solid var(--line-strong);border-radius:14px}
body.day .actions-bar{background:rgba(255,255,255,.9)}
.actions-bar .note{font-family:var(--mono);font-size:.74rem;color:var(--ink-soft2);max-width:42ch;line-height:1.5}
.btn-row{display:flex;gap:10px;flex-wrap:wrap}
.btn{font-family:var(--mono);font-size:.8rem;letter-spacing:.03em;font-weight:500;cursor:pointer;border-radius:999px;padding:11px 20px;border:1px solid var(--line-strong);background:transparent;color:var(--ink);transition:border-color .18s,background .18s,transform .15s;text-decoration:none;display:inline-flex;align-items:center;gap:8px}
.btn:hover{border-color:var(--cyan);transform:translateY(-1px)}
.btn.primary{background:var(--cyan);border-color:var(--cyan);color:#04141f;font-weight:600}
.btn.primary:hover{background:var(--beam);border-color:var(--beam)}
.btn svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}

/* Druck-Adressfeld */
.print-letterhead{display:none}

/* ---------- Übersichts-Seite (Karten) ---------- */
.doc-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-top:8px}
.doc-card{display:flex;flex-direction:column;gap:10px;padding:24px 26px;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);text-decoration:none;color:var(--ink);transition:border-color .2s,transform .15s}
.doc-card:hover{border-color:var(--cyan);transform:translateY(-2px)}
.doc-card .tag{font-family:var(--mono);font-size:.68rem;letter-spacing:.08em;text-transform:uppercase;color:var(--cyan);border:1px solid rgba(57,194,255,.4);border-radius:6px;padding:3px 8px;align-self:flex-start}
.doc-card .tag.form{color:var(--accent-2);border-color:rgba(139,124,255,.45)}
.doc-card h3{font-family:var(--display);font-size:1.3rem;font-weight:700;margin:6px 0 0}
.doc-card p{color:var(--ink-soft);font-size:.94rem;margin:0}
.doc-card .go{margin-top:auto;font-family:var(--mono);font-size:.78rem;color:var(--cyan);display:inline-flex;align-items:center;gap:7px;padding-top:6px}
.group-label{font-family:var(--mono);text-transform:uppercase;letter-spacing:.1em;font-size:.76rem;color:var(--ink-soft);margin:40px 0 4px}

/* ---------- Fußbereich ---------- */
footer{max-width:var(--maxw);margin:0 auto;padding:30px 24px 60px;color:var(--ink-soft2);font-size:.82rem;text-align:center;border-top:1px solid var(--line);line-height:1.7;font-family:var(--mono)}
footer .company{font-weight:600;color:var(--ink)}

/* ---------- Responsiv ---------- */
@media (max-width:680px){
  .toc ol{columns:1}
  section.clause,.form-card{padding:22px 20px}
  .masthead{padding:110px 20px 34px}
  .field-grid,.field-grid.cols-3{grid-template-columns:1fr}
  .field.span-2{grid-column:auto}
  .sig-grid{grid-template-columns:1fr;gap:18px}
  .doc-grid{grid-template-columns:1fr}
  .actions-bar{flex-direction:column;align-items:stretch}
  .btn-row{justify-content:stretch}
  .btn{flex:1;justify-content:center}
}

/* ---------- Druck ---------- */
@media print{
  :root{--maxw:100%}
  body,body.day{background:#fff;color:#000;font-size:11.5pt}
  .nav,.theme-toggle,.nav-back,.top,.actions-bar,.no-print{display:none !important}
  .masthead{padding:0 0 14px;border-bottom:2px solid #000;margin-bottom:14px}
  .masthead::after{display:none}
  .eyebrow{color:#000}
  .draft-badge{border-color:#000;color:#000;background:none}
  .wrap{margin:0;padding:0}
  section.clause,.toc,.form-card,.doc-card{border:1px solid #bbb;break-inside:avoid;padding:14px 16px;margin-bottom:10px;background:none}
  section.clause>h2,.form-card>h2{font-size:13pt;border-color:#999}
  .sub .ref,section.clause>h2 .num,.form-card>h2 .num{color:#000}
  .sub .body,.clause .single,.clause ul,.callout{color:#111}
  .callout{background:none;border-color:#999}
  table.data th,table.data td{border-color:#bbb}
  table.data thead th,table.data .pct{color:#000}
  .field input,.field select,.field textarea{border:none;border-bottom:1px solid #000;border-radius:0;background:none;color:#000;padding:3px 2px}
  .field input.iban{letter-spacing:.18em}
  .opt{border:1px solid #bbb;background:none}
  .opt:has(input:checked){background:none;border-color:#000}
  .print-letterhead{display:block}
  footer{border-color:#999;color:#333}
  a{color:#000;text-decoration:none}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition-duration:.01ms !important}}