/* =========================================================
   BS DÄMMTECHNIK – DÄMMDICKEN KALKULATOR (FINAL)
   Clean / Minimal / Corporate / Schwarz Typografie
   Scoped: .uxcalc*
   ========================================================= */


/* =========================================================
   SECTION WRAP
   ========================================================= */

.uxcalc {
    background: #fff;
    padding: 20px 0 110px;
    color: #000;
}


/* =========================================================
   HEAD / MINI HERO (HELL – KEIN SCHWARZER BALKEN)
   ========================================================= */

.uxcalc-head {
    padding-top: 18px;
    border-top: 1px solid rgba(0, 0, 0, .08);
    margin-bottom: 30px;
}

.uxcalc-head h2 {
    margin: 10px 0;
    font-size: clamp(1.9rem, 2.6vw, 2.5rem);
    font-weight: 600;
    color: #000;
    line-height: 1.15;
    letter-spacing: -0.02em;
    max-width: 34ch;
}

.uxcalc-head p {
    margin: 0;
    max-width: 90ch;
    color: #000;
    line-height: 1.8;
    font-size: 1.05rem;
}


/* =========================================================
   GRID LAYOUT
   ========================================================= */

.uxcalc-grid {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 30px;
    align-items: start;
}


/* =========================================================
   INPUT CARD
   ========================================================= */

.uxcalc-card {
    border: 1px solid rgba(0, 0, 0, .10);
    background: #fff;
    padding: 26px;
}


/* =========================================================
   STEPS INDICATOR
   ========================================================= */

.uxcalc-steps {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
}

.uxcalc-step {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(0, 0, 0, .15);
    font-weight: 700;
    background: #f2f2f2;
    color: #000;
}

.uxcalc-step.is-active {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
}


/* =========================================================
   FORM
   ========================================================= */

.uxcalc-form {
    display: grid;
    gap: 18px;
}

.uxcalc-field label {
    display: block;
    font-weight: 600;
    font-size: .85rem;
    letter-spacing: .08em;
    text-transform: uppercase;
    margin-bottom: 10px;
    color: #000;
}

.uxcalc-field select,
.uxcalc-field input {
    width: 100%;
    height: 56px;
    border: 1px solid rgba(0, 0, 0, .18);
    background: #fff;
    padding: 0 14px;
    font: inherit;
    color: #000;
    outline: none;
    transition: .2s ease;
}

.uxcalc-field input::placeholder {
    color: rgba(0, 0, 0, .45);
}

.uxcalc-field select:focus,
.uxcalc-field input:focus {
    border-color: var(--primary);
    background: #f8f8f8;
}

.uxcalc-help {
    margin-top: 8px;
    font-size: .95rem;
    color: rgba(0, 0, 0, .60);
}

.uxcalc-divider {
    height: 1px;
    background: rgba(0, 0, 0, .08);
}


/* =========================================================
   ADVANCED OPTIONS (DETAILS)
   ========================================================= */

.uxcalc-advanced {
    border: 1px solid rgba(0, 0, 0, .10);
    background: #f6f6f6;
}

.uxcalc-advanced summary {
    cursor: pointer;
    padding: 14px;
    font-weight: 600;
    letter-spacing: .08em;
    text-transform: uppercase;
    font-size: .8rem;
}

.uxcalc-advanced summary::-webkit-details-marker {
    display: none;
}

.uxcalc-advanced-inner {
    padding: 0 14px 14px;
}


/* =========================================================
   ACTION BUTTONS
   (identisch zu deinen bestehenden Buttons)
   ========================================================= */

.uxcalc-actions {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
    margin-top: 10px;
}

/* wichtig → button sieht wie <a class="btn-..."> aus */
.uxcalc-actions button.btn-primary,
.uxcalc-actions button.btn-secondary {
    -webkit-appearance: none;
    appearance: none;
    border: 0;
    font: inherit;
    cursor: pointer;
    background-clip: padding-box;
}

.uxcalc-footnote {
    font-size: .95rem;
    color: rgba(0, 0, 0, .60);
    margin-top: 6px;
}


/* =========================================================
   RESULT CARD
   ========================================================= */

.uxcalc-result {
    border: 1px solid rgba(0, 0, 0, .10);
    background: #f6f6f6;
    padding: 26px;
    position: sticky;
    top: 110px;
}

.uxcalc-result-top {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 14px;
}

.uxcalc-chip {
    padding: 10px 12px;
    border: 1px solid rgba(0, 0, 0, .10);
    background: #fff;
    font-weight: 600;
    font-size: .92rem;
    color: #000;
}

.uxcalc-number {
    display: flex;
    align-items: baseline;
    gap: 10px;
    margin: 6px 0 10px;
}

.uxcalc-mm {
    font-size: clamp(2.6rem, 4vw, 3.4rem);
    font-weight: 700;
    letter-spacing: -0.03em;
    color: #000;
}

.uxcalc-unit {
    font-weight: 600;
    color: rgba(0, 0, 0, .60);
}

.uxcalc-status {
    color: #000;
    line-height: 1.8;
}

.uxcalc-alert {
    margin-top: 16px;
    border: 1px solid rgba(162, 38, 38, .35);
    background: rgba(162, 38, 38, .05);
    padding: 14px;
    font-weight: 600;
    color: #000;
}

.uxcalc-cta {
    margin-top: 16px;
}


/* =========================================================
   MOBILE UX
   ========================================================= */

@media(max-width:1100px) {

    .uxcalc-grid {
        grid-template-columns: 1fr;
        gap: 18px;
    }

    .uxcalc-result {
        position: relative;
        top: 0;
        order: -1;
    }
}

@media(max-width:768px) {

    .uxcalc {
        padding: 16px 0 90px;
    }

    .uxcalc-actions .btn-primary,
    .uxcalc-actions .btn-secondary {
        width: 100%;
        text-align: center;
    }

    .uxcalc-field select,
    .uxcalc-field input {
        height: 58px;
    }
}