@charset "UTF-8";

/* =========================================================================
   DIGEL HEAT Partnerseite – Stylesheet
   Reihenfolge: Fonts → Design-Tokens → Bootstrap-Overrides → Basis →
   Komponenten → Utilities. Geladen NACH bootstrap.min.css.
   ========================================================================= */

/* -------------------------------------------------------------------------
   1. Schriften (Barlow, lokal gehostet, nur genutzte Schnitte)
   ------------------------------------------------------------------------- */
@font-face {
    font-family: 'Barlow';
    src: url('../fonts/Barlow-Thin.woff2') format('woff2'),
         url('../fonts/Barlow-Thin.woff') format('woff');
    font-weight: 300;
    font-style: normal;
    font-display: swap;
}
@font-face {
    font-family: 'Barlow';
    src: url('../fonts/Barlow-Regular.woff2') format('woff2'),
         url('../fonts/Barlow-Regular.woff') format('woff');
    font-weight: 400;
    font-style: normal;
    font-display: swap;
}
@font-face {
    font-family: 'Barlow';
    src: url('../fonts/Barlow-Italic.woff2') format('woff2'),
         url('../fonts/Barlow-Italic.woff') format('woff');
    font-weight: 400;
    font-style: italic;
    font-display: swap;
}
@font-face {
    font-family: 'Barlow';
    src: url('../fonts/Barlow-Medium.woff2') format('woff2'),
         url('../fonts/Barlow-Medium.woff') format('woff');
    font-weight: 500;
    font-style: normal;
    font-display: swap;
}

/* -------------------------------------------------------------------------
   2. Design-Tokens
   ------------------------------------------------------------------------- */
:root {
    /* Markenfarben */
    --dh-orange:        #F28024;
    --dh-orange-dark:   #ca460f;
    --dh-orange-soft:   #fde9d8;
    --dh-ink:           #373737;
    --dh-muted:         #6c6c6c;
    --dh-white:         #ffffff;
    --dh-bg-alt:        #f7f6f4;
    --dh-border:        #e7e5e1;
    --dh-dark:          #2b2b2b;

    /* Typografie */
    --dh-font: 'Barlow', system-ui, -apple-system, 'Segoe UI', sans-serif;

    /* Radien & Schatten */
    --dh-radius-sm: 8px;
    --dh-radius:    16px;
    --dh-radius-lg: 24px;
    --dh-shadow:    0 10px 30px rgba(55, 55, 55, .08);
    --dh-shadow-lg: 0 18px 48px rgba(55, 55, 55, .14);

    /* Abstaende */
    --dh-section-y: clamp(3.5rem, 7vw, 7rem);
}

/* -------------------------------------------------------------------------
   3. Bootstrap-Overrides (nur ueber CSS Custom Properties)
   ------------------------------------------------------------------------- */
:root {
    --bs-primary:        #F28024;
    --bs-primary-rgb:    242, 128, 36;
    --bs-body-color:     #373737;
    --bs-body-color-rgb: 55, 55, 55;
    --bs-body-font-family: 'Barlow', system-ui, sans-serif;
    --bs-body-font-size: 1.0625rem;
    --bs-body-line-height: 1.65;
    --bs-link-color:       #ca460f;
    --bs-link-color-rgb:   202, 70, 15;
    --bs-link-hover-color: #F28024;
    --bs-border-color:     #e7e5e1;
    --bs-border-radius:    16px;
}

/* -------------------------------------------------------------------------
   4. Basis
   ------------------------------------------------------------------------- */
* { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 90px; }

body {
    font-family: var(--dh-font);
    color: var(--dh-ink);
    background-color: var(--dh-white);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 500;
    line-height: 1.2;
    color: var(--dh-ink);
    letter-spacing: -.01em;
}

h1 { font-size: clamp(2.1rem, 4.5vw, 3.4rem); }
h2 { font-size: clamp(1.7rem, 3.2vw, 2.5rem); }
h3 { font-size: clamp(1.3rem, 2.2vw, 1.7rem); }

p { line-height: 1.7; }

a { text-decoration: none; }

img { max-width: 100%; height: auto; }

strong { font-weight: 500; }

::selection { background: var(--dh-orange); color: #fff; }

/* Sichtbare Fokus-States (Accessibility) */
a:focus-visible,
button:focus-visible,
.btn:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
    outline: 3px solid var(--dh-orange-dark);
    outline-offset: 2px;
}

/* Section-Grundgeruest */
.section { padding-block: var(--dh-section-y); }
.section--alt { background-color: var(--dh-bg-alt); }
.section--tight { padding-block: clamp(2.5rem, 5vw, 4rem); }

.eyebrow {
    display: inline-block;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: .12em;
    font-size: .8rem;
    color: var(--dh-orange-dark);
    margin-bottom: .75rem;
}

.section__title { margin-bottom: 1rem; }
.section__lead {
    color: var(--dh-muted);
    font-size: 1.15rem;
    max-width: 46rem;
}

/* Skip-Link */
.skip-link {
    position: absolute;
    left: -999px;
    top: 0;
    z-index: 2000;
    background: var(--dh-orange-dark);
    color: #fff;
    padding: .75rem 1.25rem;
    border-radius: 0 0 var(--dh-radius-sm) 0;
}
.skip-link:focus { left: 0; color: #fff; }

/* -------------------------------------------------------------------------
   5. Buttons
   ------------------------------------------------------------------------- */
.btn {
    --bs-btn-border-radius: 10px;
    font-weight: 500;
    padding: .65rem 1rem;
    border-radius: 10px;
    transition: transform .15s ease, box-shadow .2s ease, background-color .2s ease;
}
.btn:active { transform: translateY(1px); }

.btn-dh {
    background-color: var(--dh-orange);
    color: #fff;
    box-shadow: 0 8px 20px rgba(242, 128, 36, .28);
}
.btn-dh:hover, .btn-dh:focus {
    background-color: var(--dh-orange-dark);
    color: #fff;
    box-shadow: 0 10px 26px rgba(202, 70, 15, .32);
}

.btn-dh-outline {
    background-color: transparent;
    color: var(--dh-orange-dark);
    border: 2px solid var(--dh-orange);
}
.btn-dh-outline:hover, .btn-dh-outline:focus {
    background-color: var(--dh-orange);
    color: #fff;
}

.btn-dh-ghost {
    background-color: rgba(255, 255, 255, .12);
    color: #fff;
    border: 2px solid rgba(255, 255, 255, .55);
    backdrop-filter: blur(2px);
}
.btn-dh-ghost:hover, .btn-dh-ghost:focus {
    background-color: #fff;
    color: var(--dh-orange-dark);
    border-color: #fff;
}

.btn-lg { padding: 1rem 2.25rem; font-size: 1.1rem; }

/* -------------------------------------------------------------------------
   6. Navigation (eine Navigation, responsive via Bootstrap)
   ------------------------------------------------------------------------- */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1030;
    background: rgba(255, 255, 255, .92);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--dh-border);
}
.navbar-brand img { width: 190px; height: auto; display: block; }

.main-nav .nav-link {
    font-weight: 500;
    color: var(--dh-ink);
    padding: .5rem 1rem;
    border-radius: 999px;
    position: relative;
}
.main-nav .nav-link:hover,
.main-nav .nav-link:focus,
.main-nav .nav-link.active {
    color: var(--dh-orange-dark);
}
.main-nav .nav-link::after {
    content: "";
    position: absolute;
    left: 1rem; right: 1rem; bottom: .3rem;
    height: 2px;
    background: var(--dh-orange);
    transform: scaleX(0);
    transition: transform .2s ease;
    transform-origin: left;
}
.main-nav .nav-link:hover::after,
.main-nav .nav-link.active::after { transform: scaleX(1); }

/* Etwas engere Abstände auf schmalen Desktop-Breiten, damit die Leiste
   einzeilig bleibt und nicht umbricht. */
@media (min-width: 992px) and (max-width: 1140px) {
    .main-nav .nav-link { padding-inline: .6rem; }
}

/* Offcanvas (mobile) – volle Bildschirmhöhe, von rechts */
.offcanvas.offcanvas-end {
    top: 0;
    height: 100%;
    z-index: 1090;
}
.offcanvas { --bs-offcanvas-width: min(360px, 86vw); }
.offcanvas .main-nav { flex-direction: column; }
.offcanvas .main-nav .nav-link { padding: .85rem .5rem; font-size: 1.15rem; }
.offcanvas .main-nav .nav-link::after { display: none; }
.offcanvas .main-nav .nav-item + .nav-item { border-top: 1px solid var(--dh-border); }
.offcanvas-backdrop { z-index: 1085; }

.nav-toggle {
    border: 1px solid var(--dh-border);
    border-radius: 12px;
    width: 46px; height: 46px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: #fff;
    color: var(--dh-orange-dark);
    font-size: 1.3rem;
}

/* -------------------------------------------------------------------------
   7. Hero
   ------------------------------------------------------------------------- */
.hero {
    position: relative;
    color: #fff;
    background: linear-gradient(180deg, rgba(43,43,43,.15), rgba(43,43,43,.75)),
                var(--hero-img, url('../img/hero/mainslide01.jpg')) center/cover no-repeat;
    display: flex;
    align-items: flex-end;
    min-height: clamp(520px, 78vh, 820px);
}
.hero::after {
    content: "";
    position: absolute; inset: 0;
    background: linear-gradient(90deg, rgba(202,70,15,.35), transparent 55%);
    pointer-events: none;
}
.hero__inner { position: relative; z-index: 2; padding-block: clamp(2.5rem, 6vw, 5rem); transform: translateY(-30px); }
.hero__badge {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    background: rgba(242,128,36,.92);
    color: #fff;
    font-weight: 500;
    padding: .45rem 1rem;
    border-radius: 999px;
    font-size: .9rem;
    margin-bottom: 1.25rem;
}
.hero h1 { color: #fff; max-width: 50rem; text-shadow: 0 2px 18px rgba(0,0,0,.3); }
.hero__lead {
    color: rgba(255,255,255,.92);
    font-size: clamp(1.1rem, 2vw, 1.4rem);
    max-width: 50rem;
    margin-top: 1rem;
    text-shadow: 0 1px 12px rgba(0,0,0,.35);
}
.hero__actions { margin-top: 2rem; display: flex; flex-wrap: wrap; gap: .85rem; }

/* -------------------------------------------------------------------------
   8. Trust-/Vorteilsleiste
   ------------------------------------------------------------------------- */
.trustbar {
    position: relative;
    z-index: 3;
    margin-top: -3.5rem;
}
.trustbar__card {
    background: #fff;
    border-radius: var(--dh-radius);
    box-shadow: var(--dh-shadow-lg);
    padding: 1.75rem;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
}
.trust-item { text-align: center; padding: .5rem; }
.trust-item img { width: 54px; height: 54px; margin-bottom: .6rem; }
.trust-item span { display: block; font-weight: 500; color: var(--dh-ink); }
@media (max-width: 767px) {
    .trustbar { margin-top: -2rem; }
    .trustbar__card { grid-template-columns: repeat(2, 1fr); }
}

/* Partner-Siegel */
.partner-badge { max-width: 190px; }

/* -------------------------------------------------------------------------
   9. Feature-/Info-Cards
   ------------------------------------------------------------------------- */
.card-dh {
    background: #fff;
    border: 1px solid var(--dh-border);
    border-radius: var(--dh-radius);
    overflow: hidden;
    height: 100%;
    box-shadow: var(--dh-shadow);
    transition: transform .2s ease, box-shadow .2s ease;
}
.card-dh:hover { transform: translateY(-4px); box-shadow: var(--dh-shadow-lg); }
.card-dh__media { aspect-ratio: 3 / 2; overflow: hidden; background: var(--dh-bg-alt); }
.card-dh__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.card-dh:hover .card-dh__media img { transform: scale(1.05); }
.card-dh__body { padding: 1.5rem; }
.card-dh__body h3 { margin-bottom: .6rem; }
.card-dh__body p { color: var(--dh-muted); margin-bottom: 1rem; }
.card-link {
    font-weight: 500;
    color: var(--dh-orange-dark);
    display: inline-flex;
    align-items: center;
    gap: .4rem;
}
.card-link:hover { color: var(--dh-orange); }
.card-link .fa { transition: transform .2s ease; }
.card-link:hover .fa { transform: translateX(4px); }

/* Icon-Feature (ohne Bild) */
.feature { display: flex; gap: 1rem; }
.feature__icon {
    flex: 0 0 auto;
    width: 56px; height: 56px;
    border-radius: 14px;
    background: var(--dh-orange-soft);
    color: var(--dh-orange-dark);
    display: grid; place-items: center;
    font-size: 1.5rem;
}
.feature h3 { font-size: 1.2rem; margin-bottom: .35rem; }
.feature p { color: var(--dh-muted); margin: 0; }

/* -------------------------------------------------------------------------
   10. Partner-Vorstellung (Bild + Text)
   ------------------------------------------------------------------------- */
.partner-photo {
    border-radius: var(--dh-radius-lg);
    box-shadow: var(--dh-shadow-lg);
    width: 100%;
    aspect-ratio: 4 / 5;
    object-fit: cover;
}
.partner-signature { font-style: italic; font-weight: 500; color: var(--dh-orange-dark); }

/* -------------------------------------------------------------------------
   11. Call-to-Action-Band
   ------------------------------------------------------------------------- */
.cta-band {
    background: linear-gradient(120deg, var(--dh-orange-dark), var(--dh-orange));
    color: #fff;
    border-radius: var(--dh-radius-lg);
    padding: clamp(2rem, 4vw, 3.25rem);
    box-shadow: var(--dh-shadow-lg);
}
.cta-band h2 { color: #fff; }
.cta-band p { color: rgba(255,255,255,.9); }
.cta-band .phone-lg {
    font-size: clamp(1.6rem, 3vw, 2.2rem);
    font-weight: 500;
    color: #fff;
    display: inline-flex;
    align-items: center;
    gap: .6rem;
}
.cta-band .phone-lg:hover { color: #fff; text-decoration: underline; }

/* Abschluss-CTA: vollbreites oranges Band vor dem Footer */
.cta-final {
    background: linear-gradient(120deg, var(--dh-orange-dark), var(--dh-orange));
    color: #fff;
    padding-block: clamp(3rem, 6vw, 5rem);
    text-align: center;
}
.cta-final h2 { color: #fff; margin-bottom: 1rem; }
.cta-final__lead {
    color: rgba(255, 255, 255, .92);
    font-size: 1.2rem;
    max-width: 44rem;
    margin: 0 auto 2rem;
}
.cta-final__btn {
    background: #fff;
    color: var(--dh-orange-dark);
    box-shadow: 0 10px 26px rgba(0, 0, 0, .18);
}
.cta-final__btn:hover, .cta-final__btn:focus {
    background: var(--dh-ink);
    color: #fff;
}

/* -------------------------------------------------------------------------
   12. Katalog-Box
   ------------------------------------------------------------------------- */
.catalog {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 2rem;
    align-items: center;
    background: #fff;
    border: 1px solid var(--dh-border);
    border-radius: var(--dh-radius);
    padding: 2rem;
    box-shadow: var(--dh-shadow);
}
.catalog img { border-radius: var(--dh-radius-sm); box-shadow: var(--dh-shadow); }
@media (max-width: 575px) {
    .catalog { grid-template-columns: 1fr; text-align: center; justify-items: center; }
}

/* -------------------------------------------------------------------------
   13. Qualitaets-Siegel
   ------------------------------------------------------------------------- */
.seals {
    display: flex;
    flex-wrap: wrap;
    gap: 1.25rem 2rem;
    align-items: center;
    justify-content: center;
}
.seals img {
    height: 70px;
    width: auto;
    filter: grayscale(0);
    opacity: 1;
    transition: filter .25s ease, opacity .25s ease, transform .25s ease;
}
.seals img:hover { opacity: .7; transform: scale(1.05); }

/* -------------------------------------------------------------------------
   14. FAQ (Bootstrap-Accordion feintuning)
   ------------------------------------------------------------------------- */
.faq .accordion {
    --bs-accordion-border-color: var(--dh-border);
    --bs-accordion-border-radius: var(--dh-radius-sm);
    --bs-accordion-active-bg: var(--dh-orange-soft);
    --bs-accordion-active-color: var(--dh-orange-dark);
    --bs-accordion-btn-focus-box-shadow: 0 0 0 .25rem rgba(242,128,36,.25);
}
.faq .accordion-item { margin-bottom: .75rem; border-radius: var(--dh-radius-sm); overflow: hidden; }
.faq .accordion-button { font-weight: 500; font-size: 1.1rem; }

/* -------------------------------------------------------------------------
   15. Kontakt & Formular
   ------------------------------------------------------------------------- */
.contact-card {
    background: #fff;
    border: 1px solid var(--dh-border);
    border-radius: var(--dh-radius);
    padding: 2rem;
    box-shadow: var(--dh-shadow);
    height: 100%;
}
.contact-list { list-style: none; padding: 0; margin: 0; }
.contact-list li { display: flex; gap: .85rem; align-items: flex-start; margin-bottom: 1rem; }
.contact-list .fa {
    color: var(--dh-orange-dark);
    width: 1.5rem;
    text-align: center;
    margin-top: .2rem;
    font-size: 1.1rem;
}
.contact-list a { color: var(--dh-ink); font-weight: 500; }
.contact-list a:hover { color: var(--dh-orange-dark); }

.hours-table { width: 100%; }
.hours-table td { padding: .35rem 0; border-bottom: 1px dashed var(--dh-border); }
.hours-table td:last-child { text-align: right; color: var(--dh-muted); }

/* Kontakt-Bild (ersetzt die frühere Google-Karte) */
.contact-media {
    display: block;
    width: 100%;
    height: 100%;
    min-height: 320px;
    object-fit: cover;
    border-radius: var(--dh-radius);
}
.contact-media--placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: .6rem;
    text-align: center;
    background: #f3f5f7;
    border: 2px dashed var(--dh-border);
    color: var(--dh-muted);
}
.contact-media--placeholder .fa { font-size: 2.75rem; opacity: .45; }
.contact-media__hint { font-weight: 600; line-height: 1.3; }
.contact-media__hint small { display: block; font-weight: 400; opacity: .8; }

/* Formular */
.form-card {
    background: #fff;
    border: 1px solid var(--dh-border);
    border-radius: var(--dh-radius);
    padding: clamp(1.5rem, 3vw, 2.5rem);
    box-shadow: var(--dh-shadow);
}
.form-label { font-weight: 500; margin-bottom: .35rem; }
.form-control, .form-select {
    border-radius: var(--dh-radius-sm);
    border: 1px solid var(--dh-border);
    padding: .75rem .9rem;
    font-size: 1rem;
}
.form-control:focus, .form-select:focus {
    border-color: var(--dh-orange);
    box-shadow: 0 0 0 .2rem rgba(242,128,36,.2);
}

/* Validierung: leere/fehlerhafte Pflichtfelder klar rot markieren –
   auch im Fokus (überschreibt den orangen Fokus-Stil). */
.form-control.is-invalid,
.form-select.is-invalid,
.form-check-input.is-invalid { border-color: #dc3545; }
.form-control.is-invalid:focus,
.form-select.is-invalid:focus {
    border-color: #dc3545;
    box-shadow: 0 0 0 .2rem rgba(220, 53, 69, .2);
}
.form-check-input.is-invalid ~ .form-check-label { color: #b02a37; }

.honeypot { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

/* Benachrichtigungs-Popup (Modal) */
.form-modal { border: 0; border-radius: var(--dh-radius); box-shadow: var(--dh-shadow-lg); }
.form-modal__icon {
    width: 72px; height: 72px;
    margin: 0 auto;
    border-radius: 50%;
    display: grid; place-items: center;
    font-size: 2rem;
}
.form-modal__icon--success { background: #e6f4ea; color: #1a7f37; }
.form-modal__icon--error { background: #fbe9e7; color: #c0392b; }
.form-modal #formModalMessage { color: var(--dh-muted); line-height: 1.6; }

.form-alert { border-radius: var(--dh-radius-sm); }

/* -------------------------------------------------------------------------
   16. Footer
   ------------------------------------------------------------------------- */
.site-footer {
    background: var(--dh-dark);
    color: rgba(255,255,255,.8);
    padding-block: clamp(3rem, 6vw, 4.5rem) 1.5rem;
}
.site-footer h2, .site-footer h3 { color: #fff; font-size: 1.05rem; text-transform: uppercase; letter-spacing: .08em; margin-bottom: 1rem; }
.site-footer a { color: rgba(255,255,255,.8); }
.site-footer a:hover { color: var(--dh-orange); }
.footer-title-bar {
    display: inline-block;
    border-bottom: 2px solid var(--dh-orange);
    padding-bottom: .35rem;
}
.footer-logo { max-width: 200px; }
.footer-bottom {
    border-top: 1px solid rgba(255,255,255,.12);
    margin-top: 2.5rem;
    padding-top: 1.5rem;
    font-size: .9rem;
    color: rgba(255,255,255,.55);
}

/* -------------------------------------------------------------------------
   17. Trennbilder (Bildbaender) mit Parallax
   Technik: ueberhohes ::before-Element, das per JS verschoben wird.
   Grund: `background-attachment: fixed` funktioniert auf iOS Safari
   (iPad/iPhone) nicht – daher ein JS-basierter Parallax fuer alle Geraete.
   ------------------------------------------------------------------------- */
.sep-image {
    position: relative;
    height: clamp(220px, 32vw, 360px);
    overflow: hidden;
}
.sep-image__img {
    position: absolute;
    left: 0;
    top: -25%;
    width: 100%;
    height: 150%;               /* Überhöhe = Spielraum zum Verschieben */
    object-fit: cover;
    object-position: center 20%;
    transform: translate3d(0, 0, 0);
    will-change: transform;
}
/* Ohne JS bzw. bei reduzierter Bewegung: statisches, sauber sitzendes Bild */
@media (prefers-reduced-motion: reduce) {
    .sep-image__img {
        top: 0;
        height: 100%;
        transform: none;
    }
}

/* -------------------------------------------------------------------------
   18. „Nach oben“-Button
   ------------------------------------------------------------------------- */
.gotop {
    position: fixed;
    right: 1.25rem; bottom: 1.25rem;
    width: 48px; height: 48px;
    border-radius: 50%;
    border: none;
    background: var(--dh-orange);
    color: #fff;
    font-size: 1.2rem;
    box-shadow: var(--dh-shadow-lg);
    display: grid; place-items: center;
    opacity: 0; visibility: hidden;
    transform: translateY(12px);
    transition: opacity .25s ease, transform .25s ease, background-color .2s ease;
    z-index: 1040;
}
.gotop.is-visible { opacity: 1; visibility: visible; transform: translateY(0); }
.gotop:hover { background: var(--dh-orange-dark); }

/* -------------------------------------------------------------------------
   19. Animation (fade-up via IntersectionObserver)
   ------------------------------------------------------------------------- */
.fade-up {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity .7s ease, transform .7s ease;
}
.fade-up.is-visible { opacity: 1; transform: translateY(0); }

.fade-delay-1 { transition-delay: .1s; }
.fade-delay-2 { transition-delay: .2s; }
.fade-delay-3 { transition-delay: .3s; }
.fade-delay-4 { transition-delay: .4s; }
.fade-delay-5 { transition-delay: .5s; }
.fade-delay-6 { transition-delay: .6s; }

@media (prefers-reduced-motion: reduce) {
    .fade-up { opacity: 1; transform: none; transition: none; }
    html { scroll-behavior: auto; }
}

/* Rechtstexte */
.legal h2 { margin-top: 2.5rem; }
.legal h3 { margin-top: 1.5rem; }
.legal p, .legal li { color: var(--dh-ink); }

/* -------------------------------------------------------------------------
   20. Heizkostenrechner
   ------------------------------------------------------------------------- */
.calc__card {
    background: #fff;
    border: 1px solid var(--dh-border);
    border-radius: var(--dh-radius);
    padding: clamp(1.5rem, 3vw, 2.5rem);
    box-shadow: var(--dh-shadow);
}
.calc__field { margin-bottom: 1.75rem; }
.calc__field label,
.calc__label {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 1rem;
    font-weight: 500;
    margin-bottom: .6rem;
}
.calc__field label strong { color: var(--dh-orange-dark); font-size: 1.15rem; }
.calc__range { width: 100%; accent-color: var(--dh-orange); height: 6px; cursor: pointer; }
.calc__scale { display: flex; justify-content: space-between; font-size: .8rem; color: var(--dh-muted); margin-top: .3rem; }

/* Dämmung als gleich große Info-Auswahlkarten (2-spaltig, gleich hoch) */
.calc__seg { display: grid; grid-template-columns: repeat(2, 1fr); grid-auto-rows: 1fr; gap: .6rem; }
.calc__opt { margin: 0; cursor: pointer; height: 100%; }
.calc__opt input { position: absolute; opacity: 0; width: 0; height: 0; }
.calc__opt-inner {
    display: flex;
    flex-direction: column;
    gap: .3rem;
    height: 100%;
    padding: .85rem 1rem;
    background: #fff;
    border: 2px solid var(--dh-border);
    border-radius: var(--dh-radius-sm);
    transition: border-color .15s ease, background-color .15s ease;
}
.calc__opt-title { display: flex; align-items: center; gap: .45rem; font-weight: 500; }
.calc__opt-title::before {
    content: "";
    flex: 0 0 auto;
    width: 16px; height: 16px;
    border-radius: 50%;
    border: 2px solid var(--dh-border);
    transition: border-color .15s ease, box-shadow .15s ease, background-color .15s ease;
}
.calc__opt-desc { font-size: .82rem; color: var(--dh-muted); line-height: 1.35; }
.calc__opt:hover .calc__opt-inner { border-color: var(--dh-orange); }
.calc__opt input:checked + .calc__opt-inner { border-color: var(--dh-orange); background: var(--dh-orange-soft); }
.calc__opt input:checked + .calc__opt-inner .calc__opt-title { color: var(--dh-orange-dark); }
.calc__opt input:checked + .calc__opt-inner .calc__opt-title::before {
    border-color: var(--dh-orange);
    background: var(--dh-orange);
    box-shadow: inset 0 0 0 3px #fff;
}
.calc__opt input:checked + .calc__opt-inner .calc__opt-desc { color: var(--dh-ink); }
.calc__opt input:focus-visible + .calc__opt-inner { outline: 3px solid var(--dh-orange-dark); outline-offset: 2px; }

.calc__results { display: flex; flex-direction: column; gap: 1rem; height: 100%; }
.calc__grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; }
.calc__result {
    background: var(--dh-bg-alt);
    border-radius: var(--dh-radius-sm);
    padding: 1rem 1.25rem;
    display: flex;
    flex-direction: column;
    gap: .15rem;
}
.calc__result-label { font-size: .9rem; color: var(--dh-muted); }
.calc__result-value { font-size: 1.4rem; font-weight: 500; color: var(--dh-ink); }
.calc__result--hero { background: linear-gradient(120deg, var(--dh-orange-dark), var(--dh-orange)); }
.calc__result--hero .calc__result-label { color: rgba(255,255,255,.85); }
.calc__result--hero .calc__result-value { color: #fff; font-size: 1.9rem; }

.calc__note { font-size: .9rem; color: var(--dh-muted); margin: 1.75rem 0 1.25rem; }
.calc__note .fa { color: var(--dh-orange-dark); margin-right: .35rem; }

@media (max-width: 575px) {
    .calc__grid { grid-template-columns: 1fr; }
    .calc__seg { grid-template-columns: 1fr; }
}