:root {
    --groen:        #1f6f4a;
    --groen-donker: #17553a;
    --tekst:        #1c2321;
    --tekst-zacht:  #5b6866;
    --lijn:         #dfe5e2;
    --vlak:         #ffffff;
    --achtergrond:  #f4f6f5;
    --fout:         #b3261e;
    --fout-vlak:    #fdeceb;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    background: var(--achtergrond);
    color: var(--tekst);
    font: 16px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    -webkit-font-smoothing: antialiased;
}

a { color: var(--groen); }
a:hover { color: var(--groen-donker); }

/* Layout */
.pagina {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
}

.kaart {
    width: 100%;
    max-width: 440px;
    background: var(--vlak);
    border: 1px solid var(--lijn);
    border-radius: 14px;
    padding: 40px;
    box-shadow: 0 1px 2px rgba(0,0,0,.04), 0 12px 32px rgba(0,0,0,.06);
}

.kaart--breed { max-width: 640px; }

/* Merk */
.merk {
    text-align: center;
    margin-bottom: 28px;
}

.merk__logo {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    border-radius: 14px;
    background: var(--groen);
    color: #fff;
    font-weight: 700;
    font-size: 20px;
    letter-spacing: .5px;
    margin-bottom: 14px;
}

.merk__naam {
    margin: 0;
    font-size: 22px;
    font-weight: 650;
    letter-spacing: -.2px;
}

.merk__sub {
    margin: 6px 0 0;
    color: var(--tekst-zacht);
    font-size: 14px;
}

/* Formulier */
.veld { margin-bottom: 18px; }

.veld label {
    display: block;
    margin-bottom: 6px;
    font-size: 14px;
    font-weight: 600;
}

.veld input {
    width: 100%;
    padding: 12px 14px;
    font-size: 15px;
    font-family: inherit;
    color: var(--tekst);
    background: #fff;
    border: 1px solid var(--lijn);
    border-radius: 9px;
    transition: border-color .15s, box-shadow .15s;
}

.veld input:focus {
    outline: none;
    border-color: var(--groen);
    box-shadow: 0 0 0 3px rgba(31,111,74,.15);
}

.knop {
    width: 100%;
    padding: 13px 16px;
    font-size: 15px;
    font-family: inherit;
    font-weight: 600;
    color: #fff;
    background: var(--groen);
    border: 0;
    border-radius: 9px;
    cursor: pointer;
    transition: background .15s;
}

.knop:hover  { background: var(--groen-donker); }
.knop:focus-visible { outline: 3px solid rgba(31,111,74,.35); outline-offset: 2px; }
.knop[disabled] { background: #9aa8a3; cursor: not-allowed; }

.melding {
    margin: 0 0 20px;
    padding: 12px 14px;
    border-radius: 9px;
    font-size: 14px;
    background: var(--fout-vlak);
    border: 1px solid #f3c9c6;
    color: var(--fout);
}

/* Home */
.home { text-align: center; }

.home h1 {
    margin: 0 0 6px;
    font-size: 28px;
    font-weight: 650;
    letter-spacing: -.4px;
}

.home__melding {
    margin: 0 0 28px;
    color: var(--tekst-zacht);
    font-size: 17px;
}

.gegevens {
    margin: 0;
    padding: 24px 0 0;
    border-top: 1px solid var(--lijn);
    font-style: normal;
    color: var(--tekst-zacht);
    font-size: 15px;
}

.gegevens strong { color: var(--tekst); font-weight: 600; }

.voet {
    margin-top: 24px;
    font-size: 13px;
    color: var(--tekst-zacht);
    text-align: center;
}

/* Dashboard */
.balk {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 24px;
    padding-bottom: 18px;
    border-bottom: 1px solid var(--lijn);
}

.balk h1 { margin: 0; font-size: 20px; font-weight: 650; }

.balk a { font-size: 14px; font-weight: 600; text-decoration: none; white-space: nowrap; }

@media (max-width: 520px) {
    .kaart { padding: 28px 22px; }
}