/* ===================================================================
   homeoffice.lu
   Gestaltung: Beschilderung statt Broschüre.
   Archivo für Titel, IBM Plex Sans für Fließtext, IBM Plex Mono für Zahlen.
   =================================================================== */

:root {
    --paper:      #EDF0F4;
    --card:       #FFFFFF;
    --ink:        #0E1826;
    --ink-soft:   #5A6B80;
    --rule:       #C7D0DC;
    --rule-soft:  #DFE5EC;

    --signal:     #C8322A;
    --warn:       #B4762A;
    --safe:       #1D6B5C;

    --max:        1080px;
    --gap:        clamp(1.5rem, 4vw, 3rem);

    --font-display: 'Archivo', 'Helvetica Neue', Arial, sans-serif;
    --font-body:    'IBM Plex Sans', 'Segoe UI', Helvetica, Arial, sans-serif;
    --font-mono:    'IBM Plex Mono', 'SFMono-Regular', Consolas, monospace;
}

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
    margin: 0;
    background: var(--paper);
    color: var(--ink);
    font-family: var(--font-body);
    font-size: 17px;
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
}

a { color: var(--ink); }

:focus-visible {
    outline: 3px solid var(--signal);
    outline-offset: 2px;
}

.skip {
    position: absolute;
    left: -9999px;
    top: 0;
    background: var(--ink);
    color: #fff;
    padding: .75rem 1rem;
    z-index: 100;
}
.skip:focus { left: 0; }

.wrap {
    width: 100%;
    max-width: var(--max);
    margin: 0 auto;
    padding: 0 var(--gap);
}

/* --- Kopfzeile ---------------------------------------------------- */

.masthead {
    border-bottom: 1px solid var(--rule);
    background: var(--card);
}
.masthead__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding-top: 1rem;
    padding-bottom: 1rem;
    flex-wrap: wrap;
}
.wordmark {
    font-family: var(--font-mono);
    font-size: .95rem;
    font-weight: 600;
    letter-spacing: .02em;
    text-decoration: none;
}
.wordmark span { color: var(--ink-soft); }

.langbar {
    display: flex;
    gap: .25rem;
    font-family: var(--font-mono);
    font-size: .78rem;
    text-transform: uppercase;
    letter-spacing: .08em;
}
.langbar a {
    text-decoration: none;
    color: var(--ink-soft);
    padding: .3rem .55rem;
    border: 1px solid transparent;
}
.langbar a:hover { color: var(--ink); border-color: var(--rule); }
.langbar a[aria-current="true"] {
    color: var(--ink);
    border-color: var(--ink);
    font-weight: 600;
}

/* --- Abschnitte ---------------------------------------------------- */

.band { padding: clamp(2.75rem, 7vw, 4.75rem) 0; }
.band--card { background: var(--card); border-top: 1px solid var(--rule); border-bottom: 1px solid var(--rule); }

.eyebrow {
    font-family: var(--font-mono);
    font-size: .74rem;
    text-transform: uppercase;
    letter-spacing: .18em;
    color: var(--ink-soft);
    margin: 0 0 1.1rem;
}

h1, h2, h3 {
    font-family: var(--font-display);
    font-weight: 700;
    letter-spacing: -.022em;
    line-height: 1.08;
    margin: 0;
}
h1 { font-size: clamp(2.1rem, 6vw, 3.7rem); }
h2 { font-size: clamp(1.6rem, 3.6vw, 2.3rem); margin-bottom: 1.75rem; }
h3 { font-size: 1.12rem; letter-spacing: -.01em; line-height: 1.3; }

.lead {
    font-size: clamp(1.02rem, 1.9vw, 1.18rem);
    max-width: 62ch;
    margin: 1.5rem 0 0;
    color: #2A3648;
}
.microcopy {
    font-family: var(--font-mono);
    font-size: .78rem;
    color: var(--ink-soft);
    margin-top: 1.25rem;
}

/* --- Rechner -------------------------------------------------------- */

.tool {
    margin-top: clamp(2rem, 5vw, 3rem);
    background: var(--card);
    border: 1px solid var(--rule);
}
.tool__grid {
    display: grid;
    grid-template-columns: 1fr;
}
@media (min-width: 860px) {
    .tool__grid { grid-template-columns: 20rem 1fr; }
    .tool__inputs { border-right: 1px solid var(--rule); border-bottom: 0 !important; }
}

.tool__inputs {
    padding: clamp(1.4rem, 3vw, 2rem);
    border-bottom: 1px solid var(--rule);
}
.tool__output { padding: clamp(1.4rem, 3vw, 2rem); }

.field { margin-bottom: 1.35rem; }
.field:last-child { margin-bottom: 0; }

.field > label,
.field > .field__label {
    display: block;
    font-family: var(--font-mono);
    font-size: .72rem;
    text-transform: uppercase;
    letter-spacing: .1em;
    color: var(--ink-soft);
    margin-bottom: .45rem;
}
.field__hint {
    font-size: .82rem;
    color: var(--ink-soft);
    line-height: 1.45;
    margin: .4rem 0 0;
}

select, input[type="number"], input[type="email"] {
    width: 100%;
    font-family: var(--font-body);
    font-size: 1rem;
    padding: .7rem .8rem;
    border: 1px solid var(--rule);
    border-radius: 0;
    background: #FBFCFD;
    color: var(--ink);
}
select:hover, input:hover { border-color: var(--ink-soft); }

/* Steppergruppe für Tageszahl */
.stepper { display: flex; }
.stepper input {
    text-align: center;
    font-family: var(--font-mono);
    font-weight: 600;
    font-size: 1.15rem;
    border-left: 0;
    border-right: 0;
    -moz-appearance: textfield;
}
.stepper input::-webkit-outer-spin-button,
.stepper input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.stepper button {
    flex: 0 0 3rem;
    font-family: var(--font-mono);
    font-size: 1.25rem;
    line-height: 1;
    background: #F2F5F8;
    border: 1px solid var(--rule);
    color: var(--ink);
    cursor: pointer;
}
.stepper button:hover { background: var(--ink); color: #fff; border-color: var(--ink); }

.segmented { display: flex; flex-wrap: wrap; gap: .3rem; position: relative; }
.segmented input {
    position: absolute;
    width: 1px; height: 1px;
    margin: 0; padding: 0;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
    border: 0;
}
.segmented label {
    font-family: var(--font-mono);
    font-size: .82rem;
    padding: .5rem .75rem;
    border: 1px solid var(--rule);
    cursor: pointer;
    background: #FBFCFD;
    color: var(--ink-soft);
}
.segmented input:checked + label {
    background: var(--ink);
    border-color: var(--ink);
    color: #fff;
}
.segmented input:focus-visible + label { outline: 3px solid var(--signal); outline-offset: 2px; }

/* --- Signatur: der Doppelzähler -------------------------------------- */

.gauge { margin-bottom: 2.25rem; }
.gauge:last-child { margin-bottom: 0; }

.gauge__head {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: .85rem;
}
.gauge__label {
    font-family: var(--font-mono);
    font-size: .72rem;
    text-transform: uppercase;
    letter-spacing: .12em;
    color: var(--ink-soft);
}
.gauge__value {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: clamp(2rem, 5vw, 2.9rem);
    line-height: 1;
    letter-spacing: -.03em;
    font-variant-numeric: tabular-nums;
}
.gauge__unit {
    font-family: var(--font-mono);
    font-size: .8rem;
    color: var(--ink-soft);
    letter-spacing: .04em;
}
.gauge__note {
    font-size: .86rem;
    color: var(--ink-soft);
    line-height: 1.5;
    margin: .8rem 0 0;
    max-width: 54ch;
}

/* 34 einzelne Kästchen: die Steuerschwelle ist diskret, Tag für Tag */
.cells {
    display: grid;
    grid-template-columns: repeat(17, 1fr);
    gap: 3px;
}
@media (max-width: 520px) {
    .cells { grid-template-columns: repeat(12, 1fr); }
}
.cell {
    aspect-ratio: 1 / 1;
    min-height: 15px;
    border: 1px solid var(--rule);
    background: #FBFCFD;
    transition: background-color .18s ease, border-color .18s ease;
}
.cell.is-used   { background: var(--ink);  border-color: var(--ink); }
.cell.is-warn   { background: var(--warn); border-color: var(--warn); }
.cell.is-over   { background: var(--signal); border-color: var(--signal); }

.overflow {
    font-family: var(--font-mono);
    font-size: .82rem;
    color: var(--signal);
    margin-top: .7rem;
    font-weight: 600;
}

/* Die Sozialgrenze ist ein Anteil, kein Zählwerk: durchgehender Balken */
.bar {
    position: relative;
    height: 2.25rem;
    margin-bottom: 2.4rem;
    background: #FBFCFD;
    border: 1px solid var(--rule);
}
.bar__fill {
    position: absolute;
    inset: 0 auto 0 0;
    background: var(--safe);
    transition: width .25s ease, background-color .25s ease;
}
.bar__fill.is-over { background: var(--signal); }
.bar__limit {
    position: absolute;
    top: -6px;
    bottom: -6px;
    width: 2px;
    background: var(--ink);
}
.bar__limit::after {
    content: attr(data-label);
    position: absolute;
    top: calc(100% + .45rem);
    left: 50%;
    transform: translateX(-50%);
    font-family: var(--font-mono);
    font-size: .68rem;
    letter-spacing: .06em;
    color: var(--ink);
    white-space: nowrap;
}

.status {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: .72rem;
    text-transform: uppercase;
    letter-spacing: .12em;
    padding: .32rem .6rem;
    border: 1px solid currentColor;
}
.status.is-ok   { color: var(--safe); }
.status.is-warn { color: var(--warn); }
.status.is-over { color: var(--signal); }

.forecast {
    margin-top: 2rem;
    padding-top: 1.4rem;
    border-top: 1px solid var(--rule-soft);
    font-size: .95rem;
}
.forecast strong { font-family: var(--font-mono); font-weight: 600; }

/* --- Fallen und Regeln ---------------------------------------------- */

.cols {
    display: grid;
    gap: 2rem;
    grid-template-columns: 1fr;
}
@media (min-width: 760px) { .cols--3 { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 700px) { .cols--2 { grid-template-columns: repeat(2, 1fr); } }

.trap { border-top: 2px solid var(--ink); padding-top: 1rem; }
.trap p { font-size: .95rem; color: #2A3648; margin: .7rem 0 0; }

.checklist { list-style: none; margin: 0; padding: 0; }
.checklist li {
    display: flex;
    gap: .7rem;
    padding: .6rem 0;
    border-bottom: 1px solid var(--rule-soft);
    font-size: .95rem;
}
.checklist li::before {
    font-family: var(--font-mono);
    font-weight: 600;
    flex: 0 0 auto;
}
.checklist--yes li::before { content: "+"; color: var(--signal); }
.checklist--no  li::before { content: "–"; color: var(--safe); }

.callout {
    margin-top: 2.25rem;
    padding: 1.25rem 1.4rem;
    background: var(--paper);
    border-left: 3px solid var(--ink);
    font-size: .95rem;
}
.callout strong { font-family: var(--font-display); }

/* --- Anmeldung ------------------------------------------------------ */

.signup { max-width: 34rem; }
.signup__row { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: 1.25rem; }
.signup__row input[type="email"] { flex: 1 1 16rem; }

.btn {
    font-family: var(--font-mono);
    font-size: .82rem;
    text-transform: uppercase;
    letter-spacing: .1em;
    font-weight: 600;
    padding: .8rem 1.5rem;
    background: var(--ink);
    color: #fff;
    border: 1px solid var(--ink);
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
}
.btn:hover { background: var(--signal); border-color: var(--signal); }

.fineprint { font-size: .8rem; color: var(--ink-soft); margin-top: 1rem; line-height: 1.5; }

.notice {
    padding: .9rem 1.1rem;
    border: 1px solid var(--rule);
    background: var(--card);
    font-size: .92rem;
    margin-bottom: 1.5rem;
}
.notice.is-ok    { border-left: 3px solid var(--safe); }
.notice.is-error { border-left: 3px solid var(--signal); }

.hp { position: absolute; left: -9999px; }

/* --- FAQ ------------------------------------------------------------- */

.faq details {
    border-bottom: 1px solid var(--rule);
    padding: 1.1rem 0;
}
.faq summary {
    cursor: pointer;
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 1.05rem;
    list-style: none;
    display: flex;
    justify-content: space-between;
    gap: 1rem;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
    content: "+";
    font-family: var(--font-mono);
    color: var(--ink-soft);
    flex: 0 0 auto;
}
.faq details[open] summary::after { content: "–"; }
.faq details p { margin: .85rem 0 0; font-size: .95rem; color: #2A3648; max-width: 68ch; }

/* --- Fuß ------------------------------------------------------------- */

.colophon {
    background: var(--ink);
    color: #B9C4D2;
    padding: clamp(2rem, 5vw, 3rem) 0;
    font-size: .85rem;
    line-height: 1.6;
}
.colophon a { color: #fff; }
.colophon p { margin: 0 0 .9rem; max-width: 72ch; }
.colophon p:last-child { margin-bottom: 0; }
.colophon .stamp {
    font-family: var(--font-mono);
    font-size: .72rem;
    letter-spacing: .12em;
    text-transform: uppercase;
    color: #7E8DA0;
}

/* --- Einfache Seiten (Bestätigung, Abmeldung) ------------------------ */

.simple { min-height: 60vh; display: flex; align-items: center; }
.simple h1 { font-size: clamp(1.8rem, 4vw, 2.6rem); }
.simple p { max-width: 48ch; margin: 1.25rem 0 2rem; }

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        transition-duration: .01ms !important;
        animation-duration: .01ms !important;
    }
}

/* ===================================================================
   Ergänzungen v2 — Inhaltsabschnitte, Rechtstexte, Fehlerseite
   =================================================================== */

.gauge__readout { margin: 0 0 .9rem; }
.forecast__text { margin: .5rem 0 0; }

.bar__fill  { width: 0; }
.bar__limit { left: 49.9%; }

/* Rechenbeispiel */
.example { max-width: 68ch; }
.example__calc {
    font-family: var(--font-mono);
    font-size: 1.05rem;
    font-weight: 600;
    padding: 1rem 1.2rem;
    background: var(--card);
    border: 1px solid var(--rule);
    margin: 1.5rem 0;
}
.band--card .example__calc { background: var(--paper); }

/* Nummerierte Folgen — hier trägt die Reihenfolge Bedeutung */
.steps {
    list-style: none;
    counter-reset: step;
    margin: 2rem 0 0;
    padding: 0;
    max-width: 70ch;
}
.steps li {
    counter-increment: step;
    position: relative;
    padding: 0 0 1.25rem 3rem;
    font-size: .97rem;
}
.steps li::before {
    content: counter(step);
    position: absolute;
    left: 0;
    top: .1rem;
    width: 1.9rem;
    height: 1.9rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-mono);
    font-size: .82rem;
    font-weight: 600;
    border: 1px solid var(--ink);
    color: var(--ink);
}

/* Quellenliste */
.sources { list-style: none; margin: 1.25rem 0 0; padding: 0; }
.sources li {
    padding: .65rem 0 .65rem 1.1rem;
    border-bottom: 1px solid var(--rule-soft);
    font-size: .9rem;
    color: #2A3648;
    position: relative;
}
.sources li::before {
    content: "§";
    position: absolute;
    left: 0;
    font-family: var(--font-mono);
    color: var(--ink-soft);
}

/* Fließtextseiten (Impressum, Datenschutz) */
.prose { max-width: 68ch; }
.prose h2 { font-size: 1.35rem; margin-top: 2.5rem; margin-bottom: .9rem; }
.prose p  { margin: 0 0 1rem; }
.prose a  { color: var(--signal); }

/* Auf schmalen Geräten sollen die Sonderfälle nicht zu eng stehen */
@media (min-width: 700px) {
    .cols--2 > .trap { padding-top: 1rem; }
}

/* ===================================================================
   Beleg: Bildschirm-Block und Druckausgabe
   =================================================================== */

.doc { max-width: 34rem; }
.doc > p:first-child { margin: 0 0 2rem; }

/* Der Druckbereich existiert am Bildschirm nicht */
.printout { display: none; }

@media print {
    /* Alles ausblenden, was auf Papier nichts verloren hat */
    .masthead, .colophon, .band, .skip { display: none !important; }

    html, body {
        background: #fff;
        color: #000;
        font-size: 11pt;
        line-height: 1.5;
    }

    .printout {
        display: block;
        max-width: 100%;
        padding: 0;
    }

    .printout__mark {
        font-family: var(--font-mono);
        font-size: 9pt;
        letter-spacing: .1em;
        text-transform: uppercase;
        border-bottom: 1px solid #000;
        padding-bottom: .4rem;
        margin: 0 0 1.5rem;
    }

    .printout h2 {
        font-size: 20pt;
        margin: 0 0 .5rem;
        letter-spacing: -.02em;
    }
    .printout h3 {
        font-size: 12pt;
        margin: 1.6rem 0 .4rem;
    }
    .printout__sub {
        font-size: 10pt;
        color: #444;
        margin: 0 0 1.8rem;
    }

    .printout__table {
        width: 100%;
        border-collapse: collapse;
        margin-bottom: 1rem;
    }
    .printout__table th,
    .printout__table td {
        text-align: left;
        padding: .45rem 0;
        border-bottom: .5pt solid #999;
        vertical-align: top;
    }
    .printout__table th {
        width: 55%;
        font-weight: 400;
        color: #444;
    }
    .printout__table td {
        font-weight: 700;
        font-variant-numeric: tabular-nums;
    }

    .printout__fine {
        font-size: 8.5pt;
        color: #555;
        margin-top: 1.5rem;
        border-top: .5pt solid #999;
        padding-top: .6rem;
    }

    a[href]::after { content: none !important; }

    @page { margin: 20mm; }
}

/* Freiwillige Angaben im Beleg-Formular */
.doc__row { display: grid; gap: 1rem; grid-template-columns: 1fr; }
@media (min-width: 34rem) { .doc__row { grid-template-columns: 1fr 1fr; } }
.doc__row .field { margin-bottom: 0; }
.doc__row input[type="text"] {
    width: 100%;
    font-family: var(--font-body);
    font-size: 1rem;
    padding: .7rem .8rem;
    border: 1px solid var(--rule);
    background: #FBFCFD;
    color: var(--ink);
}

/* ===================================================================
   Feinsatz und schmale Schirme
   =================================================================== */

/* Überschriften gleichmäßig umbrechen, statt ein Wort allein zu lassen */
h1, h2, h3, summary,
.gauge__label, .eyebrow, .status {
    text-wrap: balance;
}

/* Französische Bindestrichwörter wie "concerne-t-il" dürfen am Bindestrich
   umbrechen — das lässt sonst "il ?" allein auf der letzten Zeile stehen */
.faq summary { word-break: normal; }

/* Fließtext: keine Schusterjungen am Absatzende */
p, li, dd, figcaption, .field__hint, .fineprint, .gauge__note {
    text-wrap: pretty;
}

/* Lange Komposita dürfen trennen statt überzulaufen.
   Die Sprache steht am <html>, die Trennung folgt ihr. */
.lead, .prose p, .trap p, .faq details p, .steps li,
.checklist li, .sources li, .gauge__note, .callout, .example p {
    -webkit-hyphens: auto;
    hyphens: auto;
}

/* Nichts darf seitlich ausbrechen — auch keine lange E-Mail-Adresse */
body { overflow-wrap: break-word; }
.wordmark, .langbar a, .printout__table td { overflow-wrap: normal; }

/* Rasterkinder dürfen schrumpfen; ohne min-width erzwingt der Inhalt
   sonst eine Mindestbreite und das Layout läuft über */
.cols > *, .tool__grid > *, .doc__row > * { min-width: 0; }

/* Sehr schmale Geräte (ab iPhone SE abwärts) */
@media (max-width: 22.5rem) {
    body { font-size: 16px; }

    :root { --gap: 1.15rem; }

    /* Das Kästchenraster wird sonst zu fein zum Erkennen */
    .cells { grid-template-columns: repeat(9, 1fr); }

    /* Vertragsumfang: zwei Reihen statt vier gequetschter Knöpfe */
    .segmented { display: grid; grid-template-columns: 1fr 1fr; }
    .segmented label { text-align: center; }

    .gauge__head { gap: .5rem; }
    .stepper button { flex-basis: 2.6rem; }
}

/* Zwischen Handy und Tablet: Sonderfälle und Regeln zweispaltig,
   aber erst wenn wirklich Platz da ist */
@media (min-width: 30rem) and (max-width: 43.75rem) {
    .signup__row input[type="email"] { flex-basis: 100%; }
}