/* ==========================================================================
   Cijferwijzer — promotiesite
   Eén stylesheet. Tokens bovenaan, daarna Bootstrap-overrides, daarna
   componenten in de volgorde waarin ze op de homepage staan.
   ========================================================================== */

:root {
    /* De acht categoriekleuren komen uit PracticeCategory.swift. Ze zijn hier
       geen decoratie: elke kleur hoort bij zijn eigen categorie en verschijnt
       nergens anders. */
    --cat-optellen:   #0A84FF;
    --cat-keer:       #AF52DE;
    --cat-geld:       #34C759;
    --cat-klok:       #FF9500;
    --cat-meten:      #30B0C7;
    --cat-grafieken:  #FF2D55;
    --cat-breuken:    #5856D6;
    --cat-meetkunde:  #00C7BE;

    /* De breukenindigo is de ankerkleur van de site: dieper dan het standaard
       blauw, en nog steeds uit het palet van de app zelf. */
    --accent:         #5856D6;
    --accent-strong:  #4340B8;
    --accent-wash:    #EFEFFC;

    /* Neutralen met een blauwe inslag, zodat ze bij de accentkleur horen. */
    --paper:          #FBFBFD;
    --card:           #FFFFFF;
    --sunk:           #F2F3F8;
    --rule:           #E3E5EE;
    --ink:            #191A2C;
    --ink-soft:       #565A73;
    --ink-faint:      #8A8FA6;

    --gold:           #E8A317;

    --font-display: "Nunito", "SF Pro Rounded", -apple-system, "Segoe UI", sans-serif;
    --font-body: "Source Sans 3", -apple-system, "Segoe UI", Roboto, sans-serif;

    /* De app tekent alles op 16px hoeken; de site doet hetzelfde. */
    --radius: 16px;
    --radius-sm: 10px;
    --radius-lg: 24px;

    --shadow-card: 0 1px 2px rgba(25, 26, 44, .04), 0 8px 24px rgba(25, 26, 44, .06);
    --shadow-lift: 0 2px 4px rgba(25, 26, 44, .05), 0 18px 48px rgba(25, 26, 44, .12);
}

@media (prefers-color-scheme: dark) {
    :root {
        --paper:      #101120;
        --card:       #191B2C;
        --sunk:       #1F2136;
        --rule:       #2C2F47;
        --ink:        #F0F1F7;
        --ink-soft:   #A9AEC6;
        --ink-faint:  #767B95;

        --accent:        #9490FF;
        --accent-strong: #ADA9FF;
        --accent-wash:   #23234180;

        --shadow-card: 0 1px 2px rgba(0, 0, 0, .3), 0 8px 24px rgba(0, 0, 0, .28);
        --shadow-lift: 0 2px 4px rgba(0, 0, 0, .3), 0 18px 48px rgba(0, 0, 0, .45);
    }
}

/* --------------------------------------------------------------------------
   Basis
   -------------------------------------------------------------------------- */

* { box-sizing: border-box; }

body {
    background-color: var(--paper);
    color: var(--ink);
    font-family: var(--font-body);
    font-size: 17px;
    line-height: 1.62;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, .display-font {
    font-family: var(--font-display);
    font-weight: 800;
    letter-spacing: -0.02em;
    line-height: 1.1;
    text-wrap: balance;
    color: var(--ink);
}

h2 { font-size: clamp(1.7rem, 3.6vw, 2.5rem); }
h3 { font-size: 1.2rem; font-weight: 700; letter-spacing: -0.01em; }

p { margin-bottom: 0; }

a { color: var(--accent); text-underline-offset: 3px; }
a:hover { color: var(--accent-strong); }

:focus-visible {
    outline: 3px solid var(--accent);
    outline-offset: 3px;
    border-radius: 4px;
}

.lead-text {
    font-size: 1.13rem;
    color: var(--ink-soft);
    max-width: 62ch;
}

.eyebrow {
    font-family: var(--font-body);
    font-size: .78rem;
    font-weight: 600;
    letter-spacing: .12em;
    text-transform: uppercase;
    color: var(--ink-faint);
}

.section {
    padding-top: clamp(56px, 8vw, 104px);
    padding-bottom: clamp(56px, 8vw, 104px);
}

.section-sunk { background: var(--sunk); }

/* Bootstrap-overrides */

.btn { font-family: var(--font-display); font-weight: 700; border-radius: 999px; }

.btn-accent {
    background: var(--accent);
    border-color: var(--accent);
    color: #FFFFFF;
    box-shadow: var(--shadow-card);
}

.btn-accent:hover, .btn-accent:focus {
    background: var(--accent-strong);
    border-color: var(--accent-strong);
    color: #FFFFFF;
}

.btn-quiet {
    background: transparent;
    border: 2px solid var(--rule);
    color: var(--ink);
}

.btn-quiet:hover { border-color: var(--accent); color: var(--accent); }

.card-plain {
    background: var(--card);
    border: 1px solid var(--rule);
    border-radius: var(--radius);
}

/* --------------------------------------------------------------------------
   Navigatie
   -------------------------------------------------------------------------- */

.site-nav {
    background: color-mix(in srgb, var(--paper) 88%, transparent);
    backdrop-filter: saturate(180%) blur(14px);
    border-bottom: 1px solid var(--rule);
}

.navbar-brand.wordmark {
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 1.3rem;
    letter-spacing: -0.03em;
    color: var(--ink);
}

.navbar-brand.wordmark {
    display: inline-flex;
    align-items: center;
    gap: 9px;
}

.navbar-brand.wordmark:hover { color: var(--ink); }

/* Niet ".mark": dat is in Bootstrap de markeerstift (--bs-highlight-bg), en die
   zette een lichtgele achtergrond achter het beeldmerk. */
.wordmark .brand-mark {
    width: 30px;
    height: 30px;
    flex: none;
}
.wordmark .cijfer { color: var(--accent); }

.site-nav .nav-link {
    font-weight: 600;
    color: var(--ink-soft);
    padding-inline: .85rem;
}

.site-nav .nav-link:hover { color: var(--ink); }
.site-nav .nav-link.active { color: var(--accent); }

.navbar-toggler { border: 1px solid var(--rule); }
.navbar-toggler:focus { box-shadow: none; }

/* --------------------------------------------------------------------------
   Hero
   -------------------------------------------------------------------------- */

.hero { padding-top: clamp(40px, 6vw, 76px); padding-bottom: clamp(40px, 6vw, 76px); }

.hero h1 {
    font-size: clamp(2.3rem, 6vw, 3.9rem);
    margin-bottom: .6rem;
}

.hero .lead-text { font-size: 1.2rem; }

.store-badge {
    display: inline-flex;
    align-items: center;
    gap: .7rem;
    padding: .85rem 1.6rem;
    font-size: 1.02rem;
}

.store-badge svg { flex: none; }

.hero-aside {
    display: flex;
    justify-content: center;
    align-items: center;
}

/* De som is het beeldmerk van de app: grote afgeronde cijfers met het antwoord
   op de plek waar het vraagteken stond. */
.sum-card {
    background: var(--card);
    border: 1px solid var(--rule);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lift);
    padding: 30px 34px 26px;
    width: min(340px, 100%);
    text-align: center;
}

.sum-card .sum-progress {
    height: 6px;
    border-radius: 999px;
    background: var(--sunk);
    overflow: hidden;
    margin-bottom: 18px;
}

.sum-card .sum-progress span {
    display: block;
    height: 100%;
    width: 40%;
    border-radius: 999px;
    background: var(--cat-optellen);
}

.sum-card .sum-count {
    font-size: .85rem;
    color: var(--ink-faint);
    margin-bottom: 22px;
}

.sum-card .sum {
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 2.5rem;
    letter-spacing: -0.02em;
    color: var(--ink);
    margin-bottom: 24px;
    font-variant-numeric: tabular-nums;
}

.sum-card .sum .slot { color: var(--ink-faint); }

.sum-card .pad {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
}

.sum-card .key {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.15rem;
    background: var(--sunk);
    border-radius: var(--radius-sm);
    padding: 11px 0;
    color: var(--ink);
}

.sum-card .key.wide { grid-column: span 3; background: var(--cat-optellen); color: #FFFFFF; }

/* --------------------------------------------------------------------------
   Groepkiezer
   -------------------------------------------------------------------------- */

.group-picker {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
}

.group-btn {
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 1.35rem;
    width: 72px;
    height: 72px;
    border-radius: var(--radius);
    border: 2px solid var(--rule);
    background: var(--card);
    color: var(--ink);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    line-height: 1;
    transition: transform .12s ease, border-color .12s ease;
}

.group-btn small {
    font-family: var(--font-body);
    font-size: .62rem;
    font-weight: 600;
    letter-spacing: .08em;
    text-transform: uppercase;
    color: var(--ink-faint);
    margin-bottom: 3px;
}

.group-btn:hover { border-color: var(--accent); transform: translateY(-2px); }

.group-btn[aria-pressed="true"] {
    background: var(--accent);
    border-color: var(--accent);
    color: #FFFFFF;
}

.group-btn[aria-pressed="true"] small { color: rgba(255, 255, 255, .75); }

.group-panel {
    background: var(--card);
    border: 1px solid var(--rule);
    border-radius: var(--radius-lg);
    padding: clamp(22px, 4vw, 38px);
    box-shadow: var(--shadow-card);
}

.group-panel h3 { margin-bottom: .5rem; }

.group-summary { color: var(--ink-soft); max-width: 62ch; }

.chip-row { display: flex; flex-wrap: wrap; gap: 8px; }

.chip {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    font-size: .88rem;
    font-weight: 600;
    padding: 6px 13px 6px 10px;
    border-radius: 999px;
    background: var(--sunk);
    color: var(--ink);
}

.chip .dot {
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: var(--cat, var(--accent));
    flex: none;
}

.group-example {
    font-family: var(--font-display);
    font-weight: 800;
    font-size: clamp(1.5rem, 4vw, 2rem);
    letter-spacing: -0.02em;
    font-variant-numeric: tabular-nums;
    color: var(--ink);
}

.group-example .slot { color: var(--ink-faint); }

/* --------------------------------------------------------------------------
   Categorieën
   -------------------------------------------------------------------------- */

.cat-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
}

@media (max-width: 575.98px) { .cat-grid { grid-template-columns: minmax(0, 1fr); } }
@media (min-width: 992px)    { .cat-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); } }

.cat-card {
    background: var(--card);
    border: 1px solid var(--rule);
    border-radius: var(--radius);
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.cat-card .cat-mark {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    background: color-mix(in srgb, var(--cat) 16%, transparent);
    color: var(--cat);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 8px;
}

.cat-card h3 { font-size: 1.05rem; }

.cat-card p { font-size: .93rem; color: var(--ink-soft); }

.cat-card .from {
    margin-top: auto;
    padding-top: 12px;
    font-size: .8rem;
    font-weight: 600;
    letter-spacing: .06em;
    text-transform: uppercase;
    color: var(--cat);
}

/* --------------------------------------------------------------------------
   Belofte-strook
   -------------------------------------------------------------------------- */

.promise-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1px;
    background: var(--rule);
    border: 1px solid var(--rule);
    border-radius: var(--radius);
    overflow: hidden;
}

@media (max-width: 575.98px) { .promise-grid { grid-template-columns: minmax(0, 1fr); } }
@media (min-width: 992px)    { .promise-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); } }

.promise {
    background: var(--card);
    padding: 24px 22px;
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.promise h3 { font-size: 1rem; }
.promise p { font-size: .93rem; color: var(--ink-soft); }

/* --------------------------------------------------------------------------
   Schermafbeeldingen

   Komen uit de UI-testsuite van de app; zie scripts/screenshots.sh. Ze zijn
   640px breed en worden op maximaal 200px getoond, dus scherp op retina.
   -------------------------------------------------------------------------- */

.shot-figure {
    display: flex;
    flex-direction: column;
    gap: 12px;
    max-width: 200px;
    margin-inline: auto;
}

.screen {
    display: block;
    width: 100%;
    height: auto;
    border-radius: var(--radius);
    border: 1px solid var(--rule);
    background: var(--card);
    box-shadow: var(--shadow-card);
}

.shot-figure figcaption {
    font-size: .88rem;
    line-height: 1.45;
    color: var(--ink-soft);
    text-align: center;
}

/* --------------------------------------------------------------------------
   Prijzenkast
   -------------------------------------------------------------------------- */

.reward-row {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
}

@media (max-width: 575.98px) { .reward-row { grid-template-columns: minmax(0, 1fr); } }

.reward {
    background: var(--card);
    border: 1px solid var(--rule);
    border-radius: var(--radius);
    padding: 22px 20px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.reward .glyph { color: var(--gold); }
.reward h3 { font-size: 1rem; }
.reward p { font-size: .9rem; color: var(--ink-soft); }

/* --------------------------------------------------------------------------
   SLO-blok
   -------------------------------------------------------------------------- */

.slo-panel {
    background: var(--accent-wash);
    border: 1px solid color-mix(in srgb, var(--accent) 22%, transparent);
    border-radius: var(--radius-lg);
    padding: clamp(26px, 5vw, 46px);
}

.slo-panel blockquote {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.12rem;
    line-height: 1.45;
    color: var(--ink);
    border-left: 3px solid var(--accent);
    padding-left: 18px;
    margin: 0;
}

.slo-panel cite {
    display: block;
    font-style: normal;
    font-size: .86rem;
    color: var(--ink-soft);
    margin-top: 8px;
}

/* --------------------------------------------------------------------------
   Slot-CTA en footer
   -------------------------------------------------------------------------- */

.closing {
    background: var(--ink);
    border-radius: var(--radius-lg);
    color: #FFFFFF;
    padding: clamp(34px, 6vw, 64px);
    text-align: center;
}

.closing h2 { color: #FFFFFF; }
.closing p { color: rgba(255, 255, 255, .72); margin-inline: auto; }

.closing .btn-accent {
    background: #FFFFFF;
    border-color: #FFFFFF;
    color: var(--ink);
}

.closing .btn-accent:hover { background: #E9E9F4; border-color: #E9E9F4; color: var(--ink); }

.site-footer {
    border-top: 1px solid var(--rule);
    padding-top: 44px;
    padding-bottom: 44px;
    font-size: .93rem;
}

.site-footer h4 {
    font-size: .78rem;
    font-weight: 700;
    letter-spacing: .12em;
    text-transform: uppercase;
    color: var(--ink-faint);
    margin-bottom: 12px;
}

.site-footer a { color: var(--ink-soft); text-decoration: none; }
.site-footer a:hover { color: var(--accent); text-decoration: underline; }

.footer-links { display: flex; flex-direction: column; gap: 8px; }

.footer-note { color: var(--ink-faint); font-size: .86rem; }

@media (prefers-reduced-motion: reduce) {
    * { transition: none !important; animation: none !important; }
}

/* --------------------------------------------------------------------------
   De leerlijnmatrix

   Acht domeinen tegen zes groepen. Te breed voor een telefoon, dus hij schuift
   horizontaal met de domeinkolom vastgezet — anders weet je halverwege niet
   meer welke rij je leest.
   -------------------------------------------------------------------------- */

.matrix-scroll {
    overflow-x: auto;
    border: 1px solid var(--rule);
    border-radius: var(--radius);
    background: var(--card);
}

.matrix {
    border-collapse: separate;
    border-spacing: 0;
    width: 100%;
    min-width: 860px;
    font-size: .88rem;
}

.matrix th, .matrix td {
    padding: 12px 14px;
    text-align: left;
    vertical-align: top;
    border-bottom: 1px solid var(--rule);
}

.matrix thead th {
    background: var(--sunk);
    font-family: var(--font-display);
    font-weight: 700;
    font-size: .92rem;
    white-space: nowrap;
    border-bottom: 1px solid var(--ink-faint);
}

.matrix tbody th {
    position: sticky;
    left: 0;
    z-index: 1;
    background: var(--card);
    font-family: var(--font-display);
    font-weight: 700;
    font-size: .92rem;
    min-width: 190px;
    border-right: 1px solid var(--rule);
}

.matrix tbody th::before {
    content: "";
    display: inline-block;
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: var(--cat, var(--accent));
    margin-right: 8px;
    vertical-align: 1px;
}

.matrix tbody tr:last-child th,
.matrix tbody tr:last-child td { border-bottom: none; }

.matrix td { color: var(--ink-soft); }
.matrix td.new { color: var(--ink); font-weight: 600; }
.matrix td.none { color: var(--ink-faint); }

/* --------------------------------------------------------------------------
   Domeinen uitgeklapt, elk met het doel eronder
   -------------------------------------------------------------------------- */

.domain {
    border-top: 2px solid var(--cat, var(--accent));
    background: var(--card);
    border-radius: 0 0 var(--radius) var(--radius);
    padding: 22px 24px 24px;
    box-shadow: var(--shadow-card);
    display: flex;
    flex-direction: column;
    gap: 14px;
    height: 100%;
}

.domain h3 { color: var(--cat, var(--accent)); }

.steps { display: flex; flex-direction: column; gap: 8px; }

.step {
    display: grid;
    grid-template-columns: 76px minmax(0, 1fr);
    gap: 12px;
    align-items: baseline;
    font-size: .93rem;
}

.step .when {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: .82rem;
    color: var(--ink-faint);
    white-space: nowrap;
}

.step .what { color: var(--ink-soft); }

.doel {
    margin: 0;
    border-left: 3px solid var(--cat, var(--accent));
    padding: 4px 0 4px 14px;
    font-size: .92rem;
    line-height: 1.5;
    color: var(--ink);
}

.doel cite {
    display: block;
    font-style: normal;
    font-size: .82rem;
    color: var(--ink-faint);
    margin-top: 5px;
}

.domain-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}

@media (max-width: 767.98px) { .domain-grid { grid-template-columns: minmax(0, 1fr); } }

/* --------------------------------------------------------------------------
   Oefeningen: één blok per categorie
   -------------------------------------------------------------------------- */

.exercise {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 200px;
    gap: 28px;
    align-items: start;
    padding: 30px 0;
    border-bottom: 1px solid var(--rule);
}

.exercise:last-of-type { border-bottom: none; }

@media (max-width: 767.98px) {
    .exercise { grid-template-columns: minmax(0, 1fr); gap: 20px; }
}

.exercise-head {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 10px;
}

.exercise-head .cat-mark { margin-bottom: 0; }
.exercise-head h2 { font-size: 1.5rem; color: var(--cat); margin: 0; }

.exercise .from-label {
    font-size: .8rem;
    font-weight: 600;
    letter-spacing: .06em;
    text-transform: uppercase;
    color: var(--ink-faint);
    margin-left: auto;
    white-space: nowrap;
}

.task-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 10px 20px;
    margin: 16px 0 0;
    padding: 0;
    list-style: none;
}

.task-list li {
    display: grid;
    grid-template-columns: 14px minmax(0, 1fr);
    gap: 9px;
    font-size: .93rem;
    color: var(--ink-soft);
    align-items: baseline;
}

.task-list li::before {
    content: "";
    width: 7px;
    height: 7px;
    border-radius: 2px;
    background: var(--cat);
    transform: translateY(-1px);
}

.task-list b { color: var(--ink); font-weight: 600; }

/* --------------------------------------------------------------------------
   De prijzenkast op de oefeningenpagina
   -------------------------------------------------------------------------- */

.trophy-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
    gap: 1px;
    background: var(--rule);
    border: 1px solid var(--rule);
    border-radius: var(--radius);
    overflow: hidden;
}

.trophy {
    background: var(--card);
    padding: 15px 18px;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.trophy .name {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: .97rem;
}

.trophy .how { font-size: .86rem; color: var(--ink-soft); }

/* --------------------------------------------------------------------------
   Bronvermelding

   Een formele verwijzing leest als een literatuurlijst: hangende inspringing,
   zodat de auteursnamen eruit springen.
   -------------------------------------------------------------------------- */

.bron {
    background: var(--card);
    border: 1px solid var(--rule);
    border-left: 3px solid var(--accent);
    border-radius: 0 var(--radius) var(--radius) 0;
    padding: 22px 26px;
    max-width: 72ch;
}

.bron .citation {
    margin: 0;
    font-size: .95rem;
    line-height: 1.6;
    padding-left: 2.2em;
    text-indent: -2.2em;
}

.bron .citation em { font-style: italic; }

.bron .source-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: 14px;
    font-weight: 600;
    font-size: .93rem;
}

.bron .source-link svg { flex: none; }