/* =========================================================================
   englz — moderne, warme leer-interface
   Fraunces (display) + Hanken Grotesk (UI) · zachte schaduwen · compacte ruimte
   ========================================================================= */

/* ----- Tokens ----------------------------------------------------------- */
:root {
    --bg:         #f4f1ea;
    --bg-deep:    #ece6db;
    --surface:    #fffdfa;
    --page:       #fffdfa;          /* alias voor kaartoppervlak */
    --paper:      #f1ede4;          /* subtiele vlakken: inputs, chips */
    --paper-deep: #e7e1d4;
    --ink:        #232019;
    --ink-soft:   #756c5d;
    --line:       rgba(35, 30, 22, .12);
    --line-soft:  rgba(35, 30, 22, .07);
    --edge:       rgba(35, 30, 22, .13);

    --orange: #d8500f; --orange-deep: #b23f06;
    --green:  #2f6152; --green-deep:  #224635;
    --blue:   #2a4d6a; --blue-deep:   #1c3447;

    --correct: #2f6b4f; --correct-soft: #e6efe1;
    --wrong:   #c2412c; --wrong-soft:   #f6e4dd;

    --accent: var(--orange); --accent-deep: var(--orange-deep); --accent-ink: #fff;

    --font-display: "Fraunces", Georgia, serif;
    --font-body:    "Hanken Grotesk", -apple-system, system-ui, "Segoe UI", sans-serif;
    --font-mono:    "JetBrains Mono", ui-monospace, "Courier New", monospace;

    --shadow-hard: 0 1px 2px rgba(30, 25, 18, .05), 0 12px 30px -16px rgba(30, 25, 18, .26);
    --shadow-1:    0 1px 2px rgba(30, 25, 18, .05), 0 8px 24px -14px rgba(30, 25, 18, .22);
    --shadow-2:    0 3px 8px rgba(30, 25, 18, .07), 0 20px 44px -18px rgba(30, 25, 18, .32);
    --ring:        0 0 0 3px color-mix(in srgb, var(--accent) 22%, transparent);
    --radius:      14px;
    --radius-sm:   9px;
    --maxw:        1140px;
}

/* Accent-varianten */
.set--orange, .set-accent--orange { --accent: var(--orange); --accent-deep: var(--orange-deep); }
.set--green,  .set-accent--green  { --accent: var(--green);  --accent-deep: var(--green-deep); }
.set--blue,   .set-accent--blue   { --accent: var(--blue);   --accent-deep: var(--blue-deep); }
.set--ink,    .set-accent--ink    { --accent: #3a352c;       --accent-deep: var(--ink); }

/* ----- Reset ------------------------------------------------------------ */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
    font-family: var(--font-body);
    font-size: 1.0625rem;
    line-height: 1.6;
    color: var(--ink);
    background-color: var(--bg);
    background-image:
        radial-gradient(110% 70% at 92% -8%, color-mix(in srgb, var(--orange) 13%, transparent), transparent 60%),
        radial-gradient(90% 60% at -8% 108%, color-mix(in srgb, var(--green) 12%, transparent), transparent 60%);
    background-attachment: fixed;
    overflow-x: hidden;
    font-optical-sizing: auto;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; }
a { color: inherit; }

/* Subtiele korrel voor warmte */
.grain {
    position: fixed; inset: 0; z-index: 1; pointer-events: none;
    opacity: .22; mix-blend-mode: multiply;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.5'/%3E%3C/svg%3E");
}

/* ----- Typografie-helpers ---------------------------------------------- */
.eyebrow {
    font-family: var(--font-mono);
    font-size: .7rem; font-weight: 500; letter-spacing: .18em; text-transform: uppercase;
    color: var(--accent-deep); display: inline-flex; align-items: center; gap: .6em;
}
.eyebrow::before { content: ""; width: 1.5em; height: 2px; background: currentColor; border-radius: 2px; }
.muted { color: var(--ink-soft); }

.tag {
    font-family: var(--font-mono); font-size: .64rem; letter-spacing: .12em; text-transform: uppercase;
    color: var(--ink-soft); border: 1px solid var(--edge); border-radius: 100px; padding: .3em .85em; white-space: nowrap;
}
code { font-family: var(--font-mono); font-size: .85em; background: var(--paper-deep); padding: .1em .4em; border-radius: 5px; }

/* ----- Layout ----------------------------------------------------------- */
.page {
    position: relative; z-index: 2;
    max-width: var(--maxw); margin: 0 auto;
    padding: clamp(.7rem, 1.8vw, 1.1rem) clamp(1.1rem, 5vw, 2.4rem) 4rem;
}
.section-head {
    display: flex; align-items: baseline; justify-content: space-between; gap: 1rem;
    border-bottom: 1px solid var(--edge); padding-bottom: .6rem;
    margin: clamp(2rem, 4vw, 2.8rem) 0 1.5rem; flex-wrap: wrap;
}
.section-head__title {
    font-family: var(--font-display); font-weight: 600;
    font-size: clamp(1.7rem, 3.4vw, 2.4rem); line-height: 1; letter-spacing: -.02em;
}
.section-head__meta {
    font-family: var(--font-mono); font-size: .7rem; letter-spacing: .12em; text-transform: uppercase; color: var(--ink-soft);
}

/* ----- Buttons ---------------------------------------------------------- */
.btn {
    font-family: var(--font-mono); font-size: .78rem; font-weight: 500; letter-spacing: .04em; text-transform: uppercase;
    text-decoration: none; display: inline-flex; align-items: center; justify-content: center; gap: .5em;
    padding: .8em 1.4em; border: 1px solid transparent; border-radius: var(--radius-sm); cursor: pointer;
    background: var(--surface); color: var(--ink); box-shadow: var(--shadow-1);
    transition: transform .14s ease, box-shadow .14s ease, background .2s; line-height: 1;
}
.btn:hover { transform: translateY(-2px); box-shadow: var(--shadow-2); }
.btn:active { transform: translateY(0); box-shadow: var(--shadow-1); }
.btn--solid { background: var(--accent); color: #fff; }
.btn--solid:hover { background: var(--accent-deep); }
.btn--ghost { background: transparent; border-color: var(--edge); box-shadow: none; color: var(--ink); }
.btn--ghost:hover { background: var(--surface); box-shadow: var(--shadow-1); }
.btn--small { padding: .55em .95em; font-size: .68rem; }
.btn--big { padding: 1em 2rem; font-size: .9rem; }
.btn:disabled { opacity: .45; cursor: not-allowed; transform: none; box-shadow: var(--shadow-1); }

/* ----- Hero (compact) --------------------------------------------------- */
.hero { margin: 0; max-width: 62ch; }
.hero .eyebrow { margin-bottom: .8rem; }
.hero__title {
    font-family: var(--font-display); font-weight: 600;
    font-size: clamp(2.2rem, 6vw, 3.6rem); line-height: 1.02; letter-spacing: -.03em;
}
.hero__title em { font-style: italic; font-weight: 500; color: var(--accent); }
.hero__lede {
    font-size: clamp(1.05rem, 2vw, 1.2rem); line-height: 1.5; color: var(--ink-soft);
    margin-top: .85rem; max-width: 52ch;
}
.hero__row { display: flex; align-items: center; gap: .8rem 1.5rem; flex-wrap: wrap; margin-top: 1.4rem; }
.hero__stats { display: flex; gap: 1.6rem; margin-left: auto; }
.hero__stats div { text-align: left; }
.hero__stats dt { font-family: var(--font-display); font-weight: 600; font-size: 1.5rem; line-height: 1; }
.hero__stats dd { font-family: var(--font-mono); font-size: .58rem; letter-spacing: .14em; text-transform: uppercase; color: var(--ink-soft); margin-top: .25rem; }

/* ----- Inhoudsopgave (sets) -------------------------------------------- */
.catrow { margin-bottom: 2rem; }
.catrow__label {
    font-family: var(--font-mono); font-size: .74rem; font-weight: 700; letter-spacing: .16em; text-transform: uppercase;
    color: var(--ink); margin-bottom: .9rem; display: flex; align-items: center; gap: .8rem;
}
.catrow__label::after { content: ""; flex: 1; height: 1px; background: var(--line); }

.cardgrid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 1.1rem; }

.set {
    position: relative; display: flex; flex-direction: column;
    background: var(--surface); border: 1px solid var(--edge); border-radius: var(--radius);
    box-shadow: var(--shadow-1); overflow: hidden;
    transition: transform .18s ease, box-shadow .18s ease;
}
.set:hover { transform: translateY(-3px); box-shadow: var(--shadow-2); }
.set__band {
    background: var(--accent); color: #fff; padding: .55rem 1.1rem;
    display: flex; justify-content: space-between; align-items: center; gap: 1rem;
}
.set__cat, .set__count { font-family: var(--font-mono); font-size: .62rem; letter-spacing: .12em; text-transform: uppercase; }
.set__count { opacity: .85; }
.set__body { padding: 1.05rem 1.2rem .75rem; flex: 1; }
.set__title { font-family: var(--font-display); font-weight: 600; font-size: 1.5rem; line-height: 1.08; letter-spacing: -.02em; }
.set__subtitle { color: var(--ink-soft); margin-top: .35rem; font-size: .96rem; line-height: 1.45; }
.set__foot { display: flex; align-items: center; justify-content: space-between; gap: .8rem; padding: .3rem 1.2rem 1.1rem; flex-wrap: wrap; }
.set__actions { display: flex; gap: .45rem; }

/* Moeilijkheidsgraad (bolletjes) */
.set__meta { display: flex; align-items: center; gap: .7rem; flex-wrap: wrap; }
.diff { display: inline-flex; align-items: center; gap: 4px; }
.diff__dot { width: 7px; height: 7px; border-radius: 50%; border: 1.5px solid var(--accent); box-sizing: border-box; }
.diff__dot.on { background: var(--accent); }

/* ----- Hoe werkt het ---------------------------------------------------- */
.steps { list-style: none; padding: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 1.2rem; }
.step { border-top: 2px solid var(--accent); padding-top: 1rem; }
.step__no { font-family: var(--font-mono); font-size: .8rem; font-weight: 700; letter-spacing: .1em; color: var(--accent); }
.step__title { font-family: var(--font-display); font-weight: 600; font-size: 1.4rem; margin: .4rem 0; letter-spacing: -.01em; }
.step p { color: var(--ink-soft); font-size: 1rem; }

/* ----- Practice & Test gedeeld ----------------------------------------- */
.backlink { font-family: var(--font-mono); font-size: .7rem; letter-spacing: .1em; text-transform: uppercase; text-decoration: none; color: var(--ink-soft); transition: color .2s; }
.backlink:hover { color: var(--accent); }

.practice, .test, .uitleg { max-width: 760px; margin: clamp(.3rem, 1.5vw, .7rem) auto 0; }

.practice__head, .test__head { margin-bottom: 1.4rem; }
.practice__head .eyebrow, .test__head .eyebrow { margin-top: .8rem; }
.practice__title, .test__title {
    font-family: var(--font-display); font-weight: 600; font-size: clamp(1.9rem, 4.5vw, 2.8rem);
    line-height: 1.02; letter-spacing: -.02em; margin: .6rem 0 .7rem;
}
.practice__intro, .test__intro { color: var(--ink-soft); font-size: 1.05rem; max-width: 56ch; }

/* Voortgangsbalk */
.progress { height: 8px; background: var(--paper-deep); border-radius: 100px; overflow: hidden; margin-top: 1rem; }
.progress__bar { height: 100%; width: 0; background: var(--accent); border-radius: 100px; transition: width .45s cubic-bezier(.2, .8, .2, 1); }
.progress__label { font-family: var(--font-mono); font-size: .72rem; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-soft); margin-top: .6rem; display: flex; align-items: center; gap: .4rem; }
.progress__score { margin-left: auto; color: var(--ink); }

/* ----- Oefenkaart (JS) -------------------------------------------------- */
.stage { margin-top: 1.4rem; }
.card { background: var(--surface); border: 1px solid var(--edge); border-radius: var(--radius); box-shadow: var(--shadow-1); padding: clamp(1.4rem, 4vw, 2.4rem); }
.card__no { font-family: var(--font-mono); font-size: .68rem; letter-spacing: .14em; text-transform: uppercase; color: var(--accent-deep); }
.card__dir { font-family: var(--font-mono); font-size: .7rem; letter-spacing: .06em; color: var(--ink-soft); margin-top: .9rem; }
.card__prompt {
    font-family: var(--font-display); font-weight: 500; font-size: clamp(1.55rem, 4vw, 2.3rem);
    line-height: 1.2; letter-spacing: -.01em; margin: .5rem 0 1.3rem;
}
.card__prompt .inf { font-style: italic; }
.card__nl { color: var(--ink-soft); font-style: italic; font-size: .8em; }
.card__hint { font-size: 1rem; color: var(--ink-soft); margin-bottom: 1.1rem; }
.card__hint::before { content: "Tip — "; font-family: var(--font-mono); font-size: .68rem; letter-spacing: .1em; text-transform: uppercase; }

.blank { display: inline-block; min-width: 4ch; border-bottom: 2px solid var(--accent); margin: 0 .15em; }

/* Invoervelden */
.field { display: block; }
.field__label { font-family: var(--font-mono); font-size: .66rem; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-soft); display: block; margin-bottom: .4rem; }
input[type="text"] {
    font-family: var(--font-body); font-size: 1.3rem; width: 100%; padding: .65rem .85rem;
    color: var(--ink); background: var(--surface); border: 1.5px solid var(--edge); border-radius: var(--radius-sm);
    transition: box-shadow .15s, border-color .15s;
}
input[type="text"]:focus { outline: none; border-color: var(--accent); box-shadow: var(--ring); }
input[type="text"]::placeholder { color: var(--ink-soft); opacity: .55; }

.verbfields { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.verbfields--one { grid-template-columns: 1fr; max-width: 22rem; }

/* Vervoegingsrijtje */
.conjtable { display: grid; gap: .55rem; }
.conjrow { display: grid; grid-template-columns: 8.5rem 1fr; align-items: center; gap: 1rem; }
.conjrow__subj { font-family: var(--font-display); font-style: italic; font-size: 1.15rem; color: var(--ink); text-align: right; }
.conjrow input[type="text"] { font-size: 1.15rem; padding: .45rem .8rem; }

/* Verhaaltje (cloze) */
.passage { font-family: var(--font-body); font-size: 1.2rem; line-height: 2.4; }
.gapwrap { white-space: nowrap; }
.passage input[type="text"] { display: inline-block; width: 7em; font-size: .95rem; padding: .1em .5em; margin: 0 .05em 0 .1em; vertical-align: baseline; }
.gaphint { font-family: var(--font-mono); font-size: .72rem; color: var(--ink-soft); margin-right: .15em; }
@media (max-width: 560px) { .passage { font-size: 1.08rem; line-height: 2.3; } .passage input[type="text"] { width: 6em; } }

/* Meerkeuze */
.choices { display: grid; gap: .6rem; }
.choice {
    display: flex; align-items: center; gap: .9rem; padding: .8rem 1.05rem;
    border: 1.5px solid var(--edge); border-radius: var(--radius-sm); background: var(--surface);
    cursor: pointer; transition: transform .12s, box-shadow .12s, border-color .15s, background .15s; font-size: 1.15rem;
}
.choice:hover { transform: translateY(-1px); box-shadow: var(--shadow-1); border-color: color-mix(in srgb, var(--accent) 45%, var(--edge)); }
.choice input { position: absolute; opacity: 0; pointer-events: none; }
.choice__key {
    font-family: var(--font-mono); font-weight: 700; font-size: .85rem; width: 1.8rem; height: 1.8rem;
    display: grid; place-items: center; border: 1.5px solid var(--edge); border-radius: 50%; flex-shrink: 0;
    transition: background .15s, color .15s, border-color .15s;
}
.choice:has(input:checked) { background: var(--accent); color: #fff; border-color: var(--accent); }
.choice:has(input:checked) .choice__key { background: #fff; color: var(--accent); border-color: #fff; }
.choice.is-correct { background: var(--correct); color: #fff; border-color: var(--correct); }
.choice.is-correct .choice__key { background: #fff; color: var(--correct); border-color: #fff; }
.choice.is-wrong { background: var(--wrong); color: #fff; border-color: var(--wrong); }
.choice.is-wrong .choice__key { background: #fff; color: var(--wrong); border-color: #fff; }
.choice.is-disabled { pointer-events: none; }

/* Oefen-acties + feedback */
.card__actions { display: flex; gap: .7rem; margin-top: 1.4rem; flex-wrap: wrap; }
.kbd-hint { font-family: var(--font-mono); font-size: .68rem; letter-spacing: .02em; color: var(--ink-soft); margin-top: .9rem; display: flex; align-items: center; gap: .35em; flex-wrap: wrap; }
kbd { font-family: var(--font-mono); font-size: .82em; border: 1px solid var(--edge); border-bottom-width: 2px; border-radius: 5px; padding: .08em .45em; background: var(--surface); color: var(--ink); }

.feedback { margin-top: 1.3rem; border-top: 1px solid var(--line); padding-top: 1.1rem; display: none; align-items: flex-start; gap: .9rem; }
.feedback.show { display: flex; animation: rise .35s ease both; }
.feedback__icon { font-size: 1.05rem; width: 1.9rem; height: 1.9rem; display: grid; place-items: center; border-radius: 50%; flex-shrink: 0; color: #fff; font-weight: 700; }
.feedback--ok .feedback__icon { background: var(--correct); }
.feedback--no .feedback__icon { background: var(--wrong); }
.feedback__title { font-family: var(--font-display); font-weight: 600; font-size: 1.2rem; }
.feedback--ok .feedback__title { color: var(--correct); }
.feedback--no .feedback__title { color: var(--wrong); }
.feedback__answer { color: var(--ink-soft); margin-top: .1rem; }
.feedback__answer b { color: var(--ink); font-weight: 600; }

input.is-correct { border-color: var(--correct); background: var(--correct-soft); }
input.is-wrong { border-color: var(--wrong); background: var(--wrong-soft); }
.shake { animation: shake .4s; }

/* Eind-samenvatting */
.summary { text-align: center; }
.summary__cijfer { font-family: var(--font-display); font-weight: 700; font-size: clamp(4rem, 18vw, 7.5rem); line-height: .9; color: var(--accent); margin: .4rem 0; letter-spacing: -.02em; }
.summary__label { font-family: var(--font-display); font-style: italic; font-size: 1.5rem; }
.summary__score { font-family: var(--font-mono); font-size: .76rem; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-soft); margin-top: .6rem; }
.summary__bar { display: flex; gap: 4px; justify-content: center; margin: 1.5rem 0; flex-wrap: wrap; }
.summary__pip { width: 15px; height: 15px; border: 1px solid var(--edge); border-radius: 4px; }
.summary__pip.ok { background: var(--correct); border-color: var(--correct); }
.summary__pip.no { background: var(--wrong); border-color: var(--wrong); }
.summary__actions { display: flex; gap: .7rem; justify-content: center; flex-wrap: wrap; margin-top: 1.6rem; }

/* ----- Toets-formulier -------------------------------------------------- */
.quiz { display: flex; flex-direction: column; gap: 1rem; margin-top: 1rem; }
.qitem { background: var(--surface); border: 1px solid var(--edge); border-radius: var(--radius); box-shadow: var(--shadow-1); padding: clamp(1.1rem, 3vw, 1.6rem); }
.qitem__no { font-family: var(--font-mono); font-size: .66rem; letter-spacing: .14em; text-transform: uppercase; color: var(--accent-deep); padding: 0; margin-bottom: .55rem; }
.qitem__dir { font-family: var(--font-mono); font-size: .68rem; letter-spacing: .06em; color: var(--ink-soft); margin-bottom: .3rem; }
.qitem__prompt { font-family: var(--font-display); font-weight: 500; font-size: 1.45rem; line-height: 1.25; margin-bottom: 1rem; }
.qitem__prompt .inf { font-style: italic; }
.qitem__nl { color: var(--ink-soft); font-style: italic; font-size: .8em; }
.quiz__submit { text-align: center; margin-top: 1rem; }
.quiz__note { font-family: var(--font-mono); font-size: .66rem; letter-spacing: .06em; color: var(--ink-soft); margin-top: .8rem; text-transform: uppercase; }

/* ----- Toets-resultaat -------------------------------------------------- */
.report { display: grid; gap: 1.4rem; }
.report__card { text-align: center; background: var(--surface); border: 1px solid var(--edge); border-radius: var(--radius); box-shadow: var(--shadow-1); padding: clamp(1.8rem, 5vw, 3rem); position: relative; overflow: hidden; }
.report__card::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 8px; background: var(--accent); }
.report__cijfer { font-family: var(--font-display); font-weight: 700; font-size: clamp(5rem, 22vw, 8.5rem); line-height: .85; letter-spacing: -.03em; margin: .2rem 0; }
.grade--pass .report__cijfer { color: var(--correct); }
.grade--fail .report__cijfer { color: var(--wrong); }
.report__label { font-family: var(--font-display); font-style: italic; font-size: 1.6rem; }
.report__score { font-family: var(--font-mono); font-size: .76rem; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-soft); margin-top: .6rem; }
.report__actions { display: flex; gap: .7rem; justify-content: center; flex-wrap: wrap; margin-top: 1.6rem; }

.review__title { font-family: var(--font-display); font-weight: 600; font-size: 1.7rem; border-bottom: 1px solid var(--edge); padding-bottom: .5rem; margin-bottom: 1.1rem; }
.review__list { list-style: none; padding: 0; display: flex; flex-direction: column; gap: .6rem; }
.rev { display: flex; gap: .9rem; padding: .9rem 1rem; border: 1px solid var(--edge); border-left-width: 4px; border-radius: var(--radius-sm); background: var(--surface); }
.rev--ok { border-left-color: var(--correct); }
.rev--no { border-left-color: var(--wrong); }
.rev__icon { flex-shrink: 0; width: 1.6rem; height: 1.6rem; display: grid; place-items: center; border-radius: 50%; color: #fff; font-weight: 700; font-size: .85rem; }
.rev--ok .rev__icon { background: var(--correct); }
.rev--no .rev__icon { background: var(--wrong); }
.rev__prompt { font-family: var(--font-display); font-size: 1.15rem; font-weight: 500; line-height: 1.3; }
.rev__prompt .inf { font-style: italic; }
.rev__answers { font-size: .95rem; margin-top: .3rem; display: flex; flex-wrap: wrap; gap: .3rem 1.2rem; }
.rev__yours { color: var(--ink-soft); }
.rev__correct { color: var(--correct); font-weight: 600; }
.rev--no .rev__yours { color: var(--wrong); }
.review__back { margin-top: 1.5rem; }

/* ----- Uitleg / theorie ------------------------------------------------- */
.uitleg__head { margin-bottom: 1.3rem; }
.uitleg__head .eyebrow { margin-top: .8rem; }
.uitleg__title { font-family: var(--font-display); font-weight: 600; font-size: clamp(1.9rem, 4.5vw, 2.8rem); line-height: 1.02; letter-spacing: -.02em; margin: .6rem 0 0; }

/* Stappen: Uitleg → Oefenen → Toets */
.steps3 { list-style: none; display: flex; gap: .5rem; padding: 0; margin: 0 0 2rem; }
.steps3 .step3 { flex: 1; }
.steps3 .step3 a {
    display: flex; align-items: center; justify-content: center; gap: .55rem; text-decoration: none;
    font-family: var(--font-mono); font-size: .7rem; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-soft);
    border: 1px solid var(--edge); border-radius: var(--radius-sm); padding: .6rem .5rem; background: var(--surface);
    transition: transform .12s, box-shadow .12s, background .15s, color .15s;
}
.steps3 .step3 a:hover { transform: translateY(-1px); box-shadow: var(--shadow-1); color: var(--ink); }
.steps3 .step3__no { width: 1.45rem; height: 1.45rem; flex-shrink: 0; display: grid; place-items: center; border: 1.5px solid currentColor; border-radius: 50%; font-weight: 700; }
.steps3 .step3.is-active a { background: var(--accent); color: #fff; border-color: var(--accent); box-shadow: var(--shadow-1); }

/* De theorie zelf */
.theory__intro { font-size: 1.25rem; line-height: 1.55; margin-bottom: 1rem; }
.theory__p { font-size: 1.05rem; line-height: 1.65; margin-bottom: 1rem; color: var(--ink); }
.formula { display: flex; align-items: baseline; gap: .9rem; flex-wrap: wrap; background: var(--ink); color: #fff; border-radius: var(--radius-sm); padding: .95rem 1.2rem; margin: 1rem 0 1.7rem; box-shadow: var(--shadow-1); }
.formula__tag { font-family: var(--font-mono); font-size: .62rem; letter-spacing: .16em; text-transform: uppercase; opacity: .6; }
.formula__body { font-family: var(--font-mono); font-size: 1.05rem; line-height: 1.4; color: #fff; }
.rule { border-left: 3px solid var(--accent); padding: .1rem 0 .1rem 1.1rem; margin: 1.4rem 0; }
.rule__kop { font-family: var(--font-display); font-weight: 600; font-size: 1.35rem; letter-spacing: -.01em; }
.rule__tekst { color: var(--ink-soft); margin-top: .25rem; }
.examples { list-style: none; padding: 0; margin: .85rem 0 0; display: flex; flex-wrap: wrap; gap: .45rem; }
.examples li { font-family: var(--font-mono); font-size: .82rem; background: var(--paper); border: 1px solid var(--edge); border-radius: 100px; padding: .35em .85em; }
.examples--plain { flex-direction: column; gap: .3rem; }
.examples--plain li { font-family: var(--font-body); font-size: 1.05rem; background: none; border: none; border-radius: 0; padding: .1em 0 .1em 1.3em; position: relative; }
.examples--plain li::before { content: "→"; position: absolute; left: 0; color: var(--accent); }
.callout { background: color-mix(in srgb, var(--accent) 7%, var(--surface)); border: 1px solid var(--edge); border-left: 4px solid var(--accent); border-radius: var(--radius-sm); padding: .95rem 1.15rem; margin: 1.7rem 0 0; font-size: 1.02rem; }
.callout__tag { font-family: var(--font-mono); font-size: .66rem; letter-spacing: .12em; text-transform: uppercase; color: var(--accent-deep); display: block; margin-bottom: .25rem; }
.uitleg__cta { display: flex; gap: .8rem; flex-wrap: wrap; margin-top: 2.2rem; padding-top: 1.5rem; border-top: 1px solid var(--line); }
.inlinelink { color: var(--accent-deep); text-decoration: underline; text-underline-offset: 3px; font-weight: 500; }

/* Leerlijst (woordenschat) */
.wordlist__title { font-family: var(--font-display); font-weight: 600; font-size: 1.35rem; letter-spacing: -.01em; margin: .3rem 0 .8rem; }
.wordlist { margin: 0 0 1.4rem; border: 1px solid var(--edge); border-radius: var(--radius); overflow: hidden; background: var(--surface); box-shadow: var(--shadow-1); }
.wordlist__row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; padding: .6rem 1.1rem; }
.wordlist__row:nth-child(odd) { background: color-mix(in srgb, var(--accent) 5%, var(--surface)); }
.wordlist__row dt { font-weight: 600; color: var(--ink); }
.wordlist__row dd { color: var(--accent-deep); font-weight: 500; }
@media (max-width: 420px) { .wordlist__row { gap: .6rem; font-size: .95rem; } }

/* ----- 404 / leeg ------------------------------------------------------- */
.empty { text-align: center; padding: 4rem 1rem; }
.empty h1 { font-family: var(--font-display); font-weight: 600; font-size: clamp(1.8rem, 5vw, 2.6rem); margin: 1rem 0 1.5rem; }

/* ----- Footer ----------------------------------------------------------- */
.sitefoot { position: relative; z-index: 2; margin-top: 3.5rem; border-top: 1px solid var(--line); }
.sitefoot__band { height: 4px; background: linear-gradient(90deg, var(--orange), var(--green) 50%, var(--blue)); }
.sitefoot__inner { max-width: var(--maxw); margin: 0 auto; padding: 2rem clamp(1.1rem, 5vw, 2.4rem) 2.6rem; text-align: center; }
.sitefoot__name { font-family: var(--font-display); font-weight: 600; font-size: 1.5rem; }
.sitefoot__mono { font-family: var(--font-mono); font-size: .68rem; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-soft); margin-top: .45rem; }
.sitefoot__credit { color: var(--ink-soft); font-size: .92rem; margin-top: .8rem; }

/* ----- Animaties -------------------------------------------------------- */
@keyframes rise { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }
@keyframes shake { 10%, 90% { transform: translateX(-2px); } 20%, 80% { transform: translateX(4px); } 30%, 50%, 70% { transform: translateX(-7px); } 40%, 60% { transform: translateX(7px); } }
@keyframes pop { 0% { transform: scale(.6); opacity: 0; } 60% { transform: scale(1.12); } 100% { transform: scale(1); opacity: 1; } }

.reveal { opacity: 0; transform: translateY(16px); }
.reveal.in { animation: rise .55s cubic-bezier(.2, .8, .2, 1) both; }

@media (prefers-reduced-motion: reduce) {
    * { animation-duration: .001ms !important; transition-duration: .001ms !important; scroll-behavior: auto; }
    .reveal { opacity: 1; transform: none; }
}

/* ----- Responsive ------------------------------------------------------- */
@media (max-width: 560px) {
    body { font-size: 1rem; }
    .verbfields { grid-template-columns: 1fr; }
    .conjrow { grid-template-columns: 6.5rem 1fr; gap: .7rem; }
    .conjrow__subj { font-size: 1rem; }
    .hero__stats { gap: 1.3rem; margin-left: 0; }
    .set__foot { flex-direction: column; align-items: flex-start; }
    .card__actions .btn, .summary__actions .btn { flex: 1; }
}