:root {
    --primary: #0f766e;
    --primary-dark: #115e59;
    --bg: #f3f4f6;
    --card-bg: #ffffff;
    --text: #111827;
    --radius: 14px;
    --shadow: 0 6px 20px rgba(0,0,0,0.07);
    --border: #e3e3e3;
    --soft-text: #666;
    --soft-bg: #eef9f3;
}

*{
    margin:0;
    padding:0;
    box-sizing:border-box;
}

body{
    font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
    background:var(--bg);
    color:var(--text);
    line-height:1.6;
}

a{
    text-decoration:none;
    color:inherit;
}

.container{
    max-width:1040px;
    margin:0 auto;
    padding:0 1.25rem;
}

/* HEADER */

.site-header{
    position:sticky;
    top:0;
    z-index:20;
    background:rgba(243,244,246,.96);
    border-bottom:1px solid #e5e7eb;
    backdrop-filter:blur(10px);
}

.header-inner{
    display:flex;
    align-items:center;
    justify-content:center; /* header-tekst in het midden */
    padding:.6rem 0;
}

.brand{
    display:flex;
    align-items:center;
    gap:.45rem;
}

.brand-dot{
    width:22px;
    height:22px;
    border-radius:999px;
    background:radial-gradient(circle at 30% 30%,#a7f3d0,var(--primary));
}

.brand-name{
    font-weight:600;
    font-size:.95rem;
}

/* LAYOUT */

.page-main{
    padding:2.2rem 0 3rem;
}

/* kolom-layout: calculator boven, tekst eronder */
.hero-layout{
    display:flex;
    flex-direction:column;
    gap:2rem;
}

/* zowel calculator als tekst gecentreerd met dezelfde breedte */
.calc-column,
.text-column{
    width:100%;
    max-width:640px;
    margin:0 auto;
}

/* CARD / CALC */

.card{
    background:var(--white);
    border-radius:1.1rem;
    padding:1.4rem 1.5rem 1.3rem;
    border:1px solid #e5e7eb;
    box-shadow:0 18px 40px rgba(15,23,42,.08);
}

.calc-card h1{
    font-size:1.4rem;
    margin-bottom:.4rem;
    font-weight:700;
}

.calc-intro{
    font-size:.9rem;
    color:var(--muted);
    margin-bottom:.9rem;
}

/* algemeen knoppenblok (BTW layout) */
.rate-switch{
    display:flex;
    gap:.5rem;
    margin-bottom:.6rem;
    flex-wrap:wrap;
}

.rate-btn{
    flex:1 1 0;
    min-width:130px;
    border-radius:999px;
    border:1px solid #d1d5db;
    padding:.6rem .9rem;
    font-size:.9rem;
    background:#f9fafb;
    color:#111827;
    cursor:pointer;
    font-weight:600;
}

.rate-btn.active{
    background:var(--primary);
    border-color:var(--primary-dark);
    color:#fff;
}

.rate-hint{
    font-size:.78rem;
    color:var(--muted);
    margin-bottom:.8rem;
}

.field-row{
    display:flex;
    flex-direction:column;
    gap:.25rem;
    margin-bottom:.7rem;
}

.field-row label{
    font-size:.85rem;
    color:#111827;
    font-weight:600;
}

.field-row input{
    border-radius:.55rem;
    border:1px solid #d1d5db;
    padding:.65rem .9rem;
    font-size:1rem;
    font-family:inherit;
    font-weight:600;
}

.field-row input::placeholder{
    font-weight:600;
    color:#9ca3af;
}

.field-row input:focus{
    outline:none;
    border-color:var(--primary);
    box-shadow:0 0 0 1px rgba(15,118,110,.18);
}

.field-row input[readonly]{
    background:#f9fafb;
    cursor:not-allowed;
}

.calc-actions{
    text-align:center;
    margin:1rem 0 .4rem;
}

.btn-clear{
    border:none;
    border-radius:999px;
    padding:.8rem 2.1rem; /* iets hoger */
    font-size:.98rem;
    background:var(--primary);
    color:#fff;
    cursor:pointer;
    font-weight:700;
}

.btn-clear:hover{
    background:var(--primary-dark);
}

.calc-hint{
    font-size:.8rem;
    color:var(--muted);
    text-align:center;
    font-weight:600;
}

/* TEKSTKOLOM */

.text-column h2{
    font-size:1.25rem;
    margin-bottom:.4rem;
    font-weight:700;
}

.text-column h3{
    font-size:1.05rem;
    margin-top:1.1rem;
    margin-bottom:.2rem;
    font-weight:700;
}

.text-column p{
    font-size:.9rem;
    color:#374151;
    margin-bottom:.55rem;
    font-weight:500;
}

/* FOOTER */
.site-footer {
    padding: 15px 0;
    border-top: 1px solid var(--border);
    background: var(--card-bg);
    margin-top: 40px;
}

.footer-inner {
    display: flex;
    flex-direction: column;
    gap: 5px;
    text-align: center;
    font-size: 0.9rem;
    color: var(--soft-text);
}

.footer-link {
    color: var(--primary);
    text-decoration: none;
    font-weight: 500;
}

.footer-link:hover {
    text-decoration: underline;
}

/* RESPONSIVE – MOBILE */

@media(max-width:768px){
    .page-main{
        padding-top:1.6rem;
    }
    .card{
        padding:1.2rem 1.1rem 1.1rem;
    }
}

/* DESKTOP UPGRADE – BREEDER & GROTER */


@media(min-width:1024px){
.text-column {
    background: #ffffff;
    padding: 28px;
    border-radius: 14px;
    box-shadow: 0 6px 20px rgba(0,0,0,0.07);
}

    .hero-layout{
        gap:2.5rem; /* meer ruimte tussen calculator en tekst */
    }

    .calc-column,
    .text-column{
        max-width:720px; /* breder blok op desktop */
    }

    .calc-card{
        padding:2.2rem 2.6rem;
    }

    .calc-card h1{
        font-size:2.1rem;
        font-weight:800;
        margin-bottom:.9rem;
    }

    .calc-intro{
        font-size:1rem;
    }

    .rate-btn{
        padding:.95rem .6rem;
        font-size:1.02rem;
    }

    .field-row label{
        font-size:1.05rem;
    }

    .field-row input{
        padding:1rem 1.6rem;
        font-size:1.25rem;
    }

    .btn-clear{
        font-size:1.05rem;
        padding:.95rem 2.4rem;
    }

    .calc-hint{
        font-size:1rem;
    }

    .text-column h2{
        font-size:1.55rem;
    }

    .text-column p{
        font-size:1rem;
    }
}

/* ========= BMI-SPECIFIEKE STYLES ========= */

.gender-switch{
    display:flex;
    gap:.5rem;
    margin-bottom:.6rem;
    flex-wrap:wrap;
}

.gender-btn{
    flex:1 1 0;
    min-width:150px;
    border-radius:999px;
    border:1px solid #d1d5db;
    padding:.55rem 1rem;
    font-size:.9rem;
    background:#f9fafb;
    color:#111827;
    cursor:pointer;
    font-weight:500;
}

.gender-btn.active{
    background:var(--primary);
    border-color:var(--primary-dark);
    color:#fff;
}

.inline-row{
    display:flex;
    flex-direction:row;
    gap:.75rem;
}

.field-group{
    flex:1;
    display:flex;
    flex-direction:column;
    gap:.25rem;
}

.field-group select{
    border-radius:.55rem;
    border:1px solid #d1d5db;
    padding:.55rem .7rem;
    font-size:.9rem;
    font-family:inherit;
    background:#fff;
}

.field-group select:focus{
    outline:none;
    border-color:var(--primary);
    box-shadow:0 0 0 1px rgba(15,118,110,.18);
}

/* algemene result-box (bmi en salaris) */

.result-box{
    margin-top:.9rem;
    margin-bottom:.3rem;
    padding:.9rem 1.1rem;
    border-radius:.9rem;
    background:#ecfdf5;
    border:1px solid #bbf7d0;
}

.result-line{
    display:flex;
    justify-content:space-between;
    align-items:center;
    font-size:.95rem;
    margin-bottom:.2rem;
    font-weight:600;
}

.result-line:last-child{
    margin-bottom:0;
}

.result-label{
    font-weight:700;
    color:#047857;
}

#bmiValue,
#netMonth,
#netYear,
#taxTotal{
    font-weight:700;
}

#bmiCategory{
    font-weight:600;
}

/* lijstje onder uitleg */
.bmi-list{
    margin:.4rem 0 .6rem 1.1rem;
    font-size:.9rem;
    color:#374151;
}

.bmi-list li{
    margin-bottom:.15rem;
}

/* mobile fix inline-row */
@media(max-width:640px){
    .inline-row{
        flex-direction:column;
    }
}

/* ===== SPECIFIEK VOOR BRUTO-NETTO TOOL ===== */

.calc-card h1,
.calc-card .calc-intro{
    text-align:center;
}

.period-switch{
    display:flex;
    gap:.5rem;
    margin-bottom:.8rem;
    flex-wrap:wrap;
}

.period-btn{
    flex:1 1 0;
    min-width:140px;
    border-radius:999px;
    border:1px solid #d1d5db;
    padding:.75rem 1.2rem; /* iets hoger */
    font-size:.95rem;
    background:#f9fafb;
    color:#111827;
    cursor:pointer;
    font-weight:600;
}

.period-btn.active{
    background:var(--primary);
    border-color:var(--primary-dark);
    color:#fff;
}

/* standaard desktop uitlijning */
.option-row{
    align-items:flex-end;
}

.checkbox-row{
    gap:.25rem;
}

.checkbox-label{
    display:flex;
    align-items:center;
    gap:.4rem;
    font-size:.85rem;
    color:#374151;
    font-weight:600;
}

.checkbox-label input[type="checkbox"]{
    width:16px;
    height:16px;
}

.help-text{
    font-size:.78rem;
    color:var(--muted);
    margin-top:.3rem;
}

/* klein veld voor % enz. */
.small-field{
    max-width:150px;
}

.small-field input{
    text-align:left;
}

/* resultaten bruto-netto extra stijl */
.result-line.subtle{
    font-size:.85rem;
    color:#4b5563;
    font-weight:600;
}

/* mobile fix – pensioenblok links ipv rechts */
@media(max-width:640px){
    .option-row{
        flex-direction:column;
        align-items:flex-start;
    }
}