/*
 * OM21 CMS – Theme-Baukasten.
 * Grundlayout für alle Blöcke. Themes setzen die Variablen in :root (theme.css) und überschreiben gezielt.
 */

:root {
    --bg: #ffffff;
    --surface: #f4f5f7;
    --surface-2: #e9ecf0;
    --text: #1d2125;
    --muted: #5d656e;
    --line: #dde1e6;
    --primary: #2457c5;
    --primary-hover: #1b4398;
    --primary-text: #ffffff;
    --accent: #f2b33d;
    --dark-bg: #14181d;
    --dark-text: #eef0f2;
    --dark-muted: #a3abb5;
    --header-bg: rgba(255, 255, 255, .92);
    --font-body: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
    --font-head: var(--font-body);
    --head-weight: 700;
    --head-transform: none;
    --head-spacing: -.01em;
    --body-size: 1.0625rem;
    --radius: 14px;
    --radius-sm: 8px;
    --btn-radius: 999px;
    --container: 1160px;
    --space: clamp(3.5rem, 8vw, 6.5rem);
    --shadow: 0 12px 34px -18px rgba(0, 0, 0, .3);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 6rem; -webkit-text-size-adjust: 100%; }
body { margin: 0; overflow-x: clip; background: var(--bg); color: var(--text); font-family: var(--font-body); font-size: var(--body-size); line-height: 1.7; }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--primary); text-underline-offset: .2em; }
a:hover { color: var(--primary-hover); }
:focus-visible { outline: 3px solid var(--primary); outline-offset: 3px; }
h1, h2, h3, h4 { font-family: var(--font-head); font-weight: var(--head-weight); letter-spacing: var(--head-spacing); line-height: 1.15; margin: 0 0 .6em; }
h1, h2 { text-transform: var(--head-transform); }
h1 { font-size: clamp(2.2rem, 5.5vw, 4rem); }
h2 { font-size: clamp(1.6rem, 3.4vw, 2.5rem); }
h3 { font-size: 1.2rem; }
p { margin: 0 0 1em; }
.muted { color: var(--muted); }

.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 clamp(1.25rem, 4vw, 2rem); }
.container-narrow { max-width: 760px; }
.container-wide { max-width: 1340px; }
.container-full { max-width: none; padding: 0; }
.skip-link { position: absolute; left: -9999px; }
.skip-link:focus { left: 1rem; top: 1rem; z-index: 100; background: var(--bg); padding: .5rem 1rem; }
.preview-bar { position: sticky; top: 0; z-index: 70; background: #ffcc33; color: #222; text-align: center; padding: .5rem; font-weight: 600; font-family: system-ui, sans-serif; }

/* Kopf */
.site-header { position: sticky; top: 0; z-index: 50; background: var(--header-bg); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); transition: box-shadow .2s; }
.site-header.is-scrolled { box-shadow: 0 6px 20px -14px rgba(0, 0, 0, .35); }
.header-inner { position: relative; display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; min-height: 4.75rem; }
.site-logo { color: var(--text); text-decoration: none; display: flex; align-items: center; }
.site-logo img { max-height: 3rem; width: auto; }
.logo-text { font-family: var(--font-head); font-weight: var(--head-weight); font-size: 1.3rem; }
.site-nav { display: flex; align-items: center; gap: 1rem; }
.site-nav ul { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: .2rem; }
.site-nav a { display: block; padding: .5rem .85rem; border-radius: var(--btn-radius); color: var(--text); text-decoration: none; font-weight: 500; }
.site-nav a:hover { background: var(--surface); }
.site-nav a[aria-current], .site-nav a.is-current { color: var(--primary); }
.nav-check { position: absolute; opacity: 0; width: 1px; height: 1px; pointer-events: none; }
.nav-burger { display: none; }

/* Buttons und Kleinteile */
.button { display: inline-flex; align-items: center; justify-content: center; gap: .5rem; padding: .85rem 1.6rem; border-radius: var(--btn-radius); border: 2px solid var(--primary); background: var(--primary); color: var(--primary-text); font: inherit; font-weight: 600; text-decoration: none; cursor: pointer; transition: background .15s, color .15s, transform .15s, border-color .15s; }
.button:hover { background: var(--primary-hover); border-color: var(--primary-hover); color: var(--primary-text); transform: translateY(-1px); }
.button-secondary, .button-ghost { background: transparent; color: var(--primary); }
.button-secondary:hover, .button-ghost:hover { background: var(--primary); color: var(--primary-text); }
.button-small { padding: .5rem 1rem; font-size: .92rem; }
.buttons { display: flex; flex-wrap: wrap; gap: .75rem; }
.buttons-center, .align-center { justify-content: center; }
.eyebrow { font-size: .85rem; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; color: var(--primary); margin-bottom: 1rem; }
.lead { font-size: 1.15rem; color: var(--muted); max-width: 68ch; }
.more { font-weight: 600; text-decoration: none; }
.more::after { content: " →"; }
.tags { list-style: none; display: flex; flex-wrap: wrap; gap: .4rem; padding: 0; margin: 0 0 .75rem; }
.tags li { font-size: .78rem; padding: .2rem .7rem; border-radius: 999px; background: var(--surface-2); color: var(--muted); font-weight: 600; }

/* Abschnitte */
.block { padding: calc(var(--space) / 2) 0; }
main > .block:first-child { padding-top: var(--space); }
main > .block:last-child { padding-bottom: var(--space); }
.section-head { max-width: 780px; margin-bottom: clamp(1.75rem, 4vw, 3rem); }
.section-head .lead { margin: 0; }
.prose > :last-child { margin-bottom: 0; }
.prose ul, .prose ol { padding-left: 1.25em; }
.prose h2 { font-size: clamp(1.3rem, 2.6vw, 1.75rem); margin-top: 1.6em; }

/* Hero */
.hero-inner { display: grid; grid-template-columns: 1.1fr .9fr; gap: clamp(2rem, 5vw, 4.5rem); align-items: center; }
.hero-image-left .hero-media { order: -1; }
.hero-media img { border-radius: var(--radius); width: 100%; object-fit: cover; }
.hero-background { position: relative; isolation: isolate; color: #fff; min-height: 70vh; display: grid; align-items: center; }
.hero-background .hero-inner { grid-template-columns: minmax(0, 760px); }
.hero-background .hero-bg { position: absolute; inset: 0; z-index: -1; }
.hero-background .hero-bg img { width: 100%; height: 100%; object-fit: cover; filter: brightness(.5); }
.hero-background .lead, .hero-background .eyebrow { color: rgba(255, 255, 255, .9); }
.hero-background .button-secondary { color: #fff; border-color: #fff; }
.hero-text .lead { margin-bottom: 1.75rem; }

/* Text mit Bild */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 5vw, 4.5rem); align-items: center; }
.image-right .split-media { order: 2; }
.split-media img { border-radius: var(--radius); }

/* Karten */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(1rem, 2.5vw, 1.75rem); }
.cards-2 { grid-template-columns: repeat(2, 1fr); }
.cards-4 { grid-template-columns: repeat(4, 1fr); }
.card-item { background: var(--surface); border-radius: var(--radius); padding: 1.6rem; }
.card-item h3 a { color: inherit; text-decoration: none; }
.card-media { display: block; margin: -1.6rem -1.6rem 1.25rem; overflow: hidden; border-radius: var(--radius) var(--radius) 0 0; }
.card-media img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; }
.card-item > :last-child { margin-bottom: 0; }

/* Einträge (z. B. Projekte) – in Themes mit eigener Vorlage überschreibbar */
.projects { display: grid; grid-template-columns: repeat(2, 1fr); gap: clamp(1.25rem, 3vw, 2rem); }
.project { background: var(--surface); border-radius: var(--radius); overflow: hidden; }
.project-media img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; }
.project-body { padding: 1.4rem 1.6rem 1.6rem; }
.project-body h3 a { color: var(--text); text-decoration: none; }

/* Kundenstimmen */
.testimonials { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1.5rem; }
.testimonial { margin: 0; background: var(--surface); border-radius: var(--radius); padding: 1.8rem; display: flex; flex-direction: column; justify-content: space-between; gap: 1.25rem; }
.testimonial blockquote { margin: 0; }
.testimonial figcaption { display: flex; align-items: center; gap: .8rem; }
.avatar { width: 48px; height: 48px; border-radius: 50%; object-fit: cover; }

/* Aufruf */
.cta-inner { text-align: center; }
.cta-highlight .cta-inner { background: var(--primary); color: var(--primary-text); border-radius: var(--radius); padding: clamp(2.5rem, 6vw, 4.5rem) 1.5rem; }
.cta-highlight h2 { color: inherit; }
.cta-highlight .button { background: var(--primary-text); color: var(--primary); border-color: var(--primary-text); }
.cta-plain .cta-inner { border-top: 1px solid var(--line); padding-top: 3rem; }

/* Zahlen */
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 1.5rem; margin: 0; }
.stat { display: flex; flex-direction: column-reverse; gap: .3rem; padding: 1.5rem; border-radius: var(--radius); background: var(--surface); }
.stat dt { color: var(--muted); font-weight: 500; }
.stat dd { margin: 0; font-family: var(--font-head); font-weight: var(--head-weight); font-size: clamp(2.2rem, 5vw, 3.2rem); line-height: 1; color: var(--primary); }

/* Laufband */
.block-marquee { padding: 1.25rem 0; overflow: hidden; background: var(--dark-bg); color: var(--dark-text); }
.marquee { display: flex; width: max-content; animation: marquee 40s linear infinite; }
.marquee-slow .marquee { animation-duration: 70s; }
.marquee-fast .marquee { animation-duration: 22s; }
.marquee-track { list-style: none; display: flex; margin: 0; padding: 0; }
.marquee-track li { font-family: var(--font-head); font-weight: var(--head-weight); font-size: clamp(1.2rem, 2.6vw, 1.9rem); white-space: nowrap; padding: 0 1.5rem; display: flex; align-items: center; gap: 3rem; }
.marquee-track li::after { content: "✦"; color: var(--accent); font-size: .8em; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* Ablauf */
.steps { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 1.5rem; counter-reset: step; }
.step { padding: 1.6rem; border-radius: var(--radius); border: 1px solid var(--line); }
.step-number { display: block; font-family: var(--font-head); font-weight: var(--head-weight); font-size: 1.6rem; color: var(--primary); margin-bottom: .75rem; }
.step p { margin: 0; color: var(--muted); }

/* FAQ */
.faq { display: grid; gap: .75rem; }
.faq-item { border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--bg); }
.faq-item summary { cursor: pointer; list-style: none; padding: 1.1rem 3rem 1.1rem 1.25rem; font-weight: 600; position: relative; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; position: absolute; right: 1.25rem; top: 50%; transform: translateY(-50%); font-size: 1.4rem; color: var(--primary); transition: transform .2s; }
.faq-item[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.faq-item .prose { padding: 0 1.25rem 1.25rem; }

/* Galerie */
.gallery-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.gallery-grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
.gallery-grid.cols-4 { grid-template-columns: repeat(4, 1fr); }
.gallery-grid figure { margin: 0; }
.gallery-grid img { width: 100%; aspect-ratio: 1; object-fit: cover; border-radius: var(--radius-sm); transition: transform .3s; }
.gallery-grid a:hover img { transform: scale(1.02); }
.gallery-grid figcaption { font-size: .9rem; color: var(--muted); margin-top: .4rem; }

/* Bild, Abstand */
.block-image figure { margin: 0 auto; }
.block-image img { border-radius: var(--radius); }
.block-image figcaption { color: var(--muted); font-size: .9rem; margin-top: .6rem; }
.spacer-s { padding: .75rem 0; }
.spacer-m { padding: 2rem 0; }
.spacer-l { padding: 4rem 0; }
.block-spacer hr { border: 0; border-top: 1px solid var(--line); }

/* Kontaktformular */
.contact-form { display: grid; gap: 1.1rem; background: var(--surface); border-radius: var(--radius); padding: clamp(1.5rem, 4vw, 2.5rem); }
.contact-form p { margin: 0; }
.contact-form .form-field { display: grid; gap: .35rem; }
.contact-form label { font-weight: 600; }
.contact-form input[type=text], .contact-form input[type=email], .contact-form input[type=tel], .contact-form textarea {
    width: 100%; font: inherit; padding: .8rem 1rem; border: 1.5px solid var(--line); border-radius: var(--radius-sm); background: var(--bg); color: var(--text);
}
.contact-form input:focus, .contact-form textarea:focus { outline: none; border-color: var(--primary); }
.consent label { display: flex; gap: .65rem; align-items: flex-start; font-weight: 400; }
.consent input { margin-top: .4rem; accent-color: var(--primary); }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.notice { padding: 1.1rem 1.4rem; border-radius: var(--radius-sm); background: var(--surface); }
.notice-success { background: #e8f5e9; border: 1.5px solid #2e7d32; color: #1b3d1d; }
.notice-error { background: #fdecea; border: 1.5px solid #b3261e; color: #5a1410; margin-bottom: 1rem; }
.notice ul { margin: 0; padding-left: 1.2rem; }

/* Titelband */
.title-band { padding: clamp(3rem, 7vw, 5rem) 0 clamp(1rem, 3vw, 2rem); }
.title-band h1 { margin: 0; }
.has-title-band main > .block:first-of-type { padding-top: calc(var(--space) / 3); }

/* Fuß */
.site-footer { background: var(--surface); padding: clamp(3rem, 6vw, 4.5rem) 0 1.5rem; margin-top: calc(var(--space) / 2); font-size: .95rem; }
.footer-inner { display: flex; justify-content: space-between; gap: 2rem 3rem; flex-wrap: wrap; }
.footer-name { font-family: var(--font-head); font-size: 1.2rem; display: block; margin-bottom: .5rem; }
.footer-brand p { margin: 0 0 .25rem; color: var(--muted); }
.site-footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: .4rem; }
.site-footer a { color: var(--text); text-decoration: none; }
.site-footer a:hover { color: var(--primary); text-decoration: underline; }
.footer-bottom { margin-top: 2.5rem; padding-top: 1.25rem; border-top: 1px solid var(--line); color: var(--muted); font-size: .85rem; }
.footer-bottom p { margin: 0; }

/* Dunkle Abschnitte (Themes setzen .section-dark z. B. in eigenen Block-Vorlagen) */
.section-dark { background: var(--dark-bg); color: var(--dark-text); padding: var(--space) 0; }
.section-dark .lead, .section-dark .muted { color: var(--dark-muted); }

/* Scroll-Animationen: nur mit JavaScript und ohne Wunsch nach weniger Bewegung */
@media (prefers-reduced-motion: no-preference) {
    .js [data-animate] .reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s cubic-bezier(.2, .7, .2, 1); transition-delay: var(--reveal-delay, 0s); }
    .js [data-animate] .reveal.is-visible { opacity: 1; transform: none; }
}

/* Mobil */
@media (max-width: 960px) {
    .cards-4, .gallery-grid.cols-4 { grid-template-columns: repeat(2, 1fr); }
    .cards { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 760px) {
    .nav-burger { display: flex; flex-direction: column; justify-content: center; gap: 5px; width: 44px; height: 44px; cursor: pointer; border-radius: 10px; background: var(--surface); padding: 0 11px; }
    .nav-burger span { display: block; height: 2px; background: var(--text); border-radius: 2px; }
    .nav-check:focus-visible + .nav-burger { outline: 3px solid var(--primary); outline-offset: 3px; }
    .site-nav { display: none; }
    .nav-check:checked ~ .site-nav { display: grid; gap: .75rem; position: absolute; left: 0; right: 0; top: 100%; background: var(--bg); border-bottom: 1px solid var(--line); padding: .75rem 1.25rem 1.25rem; }
    .site-nav ul { flex-direction: column; }
    .site-nav a { padding: .75rem 1rem; }
    .hero-inner, .split, .projects, .cards, .cards-2, .cards-4 { grid-template-columns: 1fr; }
    .image-right .split-media, .hero-image-left .hero-media { order: 0; }
    .gallery-grid, .gallery-grid.cols-4, .gallery-grid.cols-3 { grid-template-columns: repeat(2, 1fr); }
}
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    .marquee { animation: none; flex-wrap: wrap; width: auto; }
    .marquee-track + .marquee-track { display: none; }
    .button, .gallery-grid img { transition: none; }
}

/* Detailseite eines Sammlungseintrags (z. B. Projekt) */
.entry-banner img { width: 100%; aspect-ratio: 21 / 9; object-fit: cover; border-radius: var(--radius); }
.entry-layout { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: clamp(2rem, 5vw, 4rem); margin: clamp(2.5rem, 5vw, 4rem) 0; }
.entry-facts { background: var(--surface); border-radius: var(--radius); padding: 1.6rem; align-self: start; position: sticky; top: 6rem; }
.entry-facts dl { margin: 0 0 1.25rem; }
.entry-facts dt { font-size: .75rem; letter-spacing: .12em; text-transform: uppercase; color: var(--primary); font-weight: 700; margin-top: 1rem; }
.entry-facts dt:first-child { margin-top: 0; }
.entry-facts dd { margin: .2rem 0 0; }
.entry-facts ul { margin: 0; padding-left: 1.1em; }
.entry-gallery { display: grid; gap: 1.5rem; }
.entry-gallery figure { margin: 0; }
.entry-gallery img { width: 100%; border-radius: var(--radius); }
.entry-gallery figcaption { color: var(--muted); font-size: .9rem; margin-top: .5rem; }
.entry-nav { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 1rem; margin-top: clamp(2.5rem, 5vw, 4rem); padding-top: 2rem; border-top: 1px solid var(--line); }
.entry-nav a:not(.button) { color: var(--text); text-decoration: none; font-weight: 600; }
.entry-nav small { display: block; color: var(--muted); font-weight: 400; }
.entry-nav .next { text-align: right; }
@media (max-width: 860px) {
    .entry-layout { grid-template-columns: 1fr; }
    .entry-facts { position: static; }
    .entry-nav { grid-template-columns: 1fr; text-align: center; }
    .entry-nav .next { text-align: center; }
}

/*
 * Handy zuerst: Ab hier gilt alles für schmale Bildschirme (bis 640 px). Ziel ist nicht nur "funktioniert",
 * sondern eine eigene, ruhige Darstellung: kurze Wege, wischbare Reihen statt Textwänden, Bild vor Text.
 */
@media (max-width: 640px) {
    :root { --space: 3.25rem; --body-size: 1rem; --radius: 16px; }
    h1 { font-size: clamp(2rem, 9.5vw, 2.6rem); line-height: 1.08; }
    h2 { font-size: clamp(1.55rem, 7vw, 1.9rem); }
    .lead { font-size: 1.05rem; }
    .section-head { margin-bottom: 1.5rem; }

    /* Hero: Bild zuerst, kompakt; Knöpfe gleich breit */
    .hero-inner { gap: 1.5rem; }
    .hero-media { order: -1; }
    .hero-media img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; object-position: 50% 20%; }
    .hero-image-left .hero-media { order: -1; }
    .buttons { gap: .6rem; }
    .buttons .button { flex: 1 1 auto; }
    .split { gap: 1.5rem; }

    /* Wischbare Reihen: Karten ab drei Stück und Kundenstimmen. Die nächste Karte schaut an, damit klar ist,
       dass es weitergeht. */
    .cards:has(> :nth-child(3)), .testimonials {
        display: flex; gap: .85rem; overflow-x: auto; overscroll-behavior-x: contain; scroll-snap-type: x mandatory;
        margin: 0 calc(clamp(1.25rem, 4vw, 2rem) * -1); padding: .25rem clamp(1.25rem, 4vw, 2rem) 1.25rem;
        scroll-padding-inline: clamp(1.25rem, 4vw, 2rem); scrollbar-width: none;
    }
    .cards:has(> :nth-child(3))::-webkit-scrollbar, .testimonials::-webkit-scrollbar { display: none; }
    .cards:has(> :nth-child(3)) > *, .testimonials > * { flex: 0 0 84%; scroll-snap-align: start; }
    .card-item { padding: 1.4rem; }

    .stats { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .75rem; }
    .stat { padding: 1.1rem; }
    .steps { gap: .75rem; }
    .step { padding: 1.25rem; }
    .projects { gap: 1.25rem; }
    .gallery-grid { gap: .5rem; }
    .cta-inner { padding: 2rem 1.4rem; }
    .contact-form { padding: 1.25rem; }
    .footer-inner { gap: 1.75rem; }
    .title-band { padding-top: 2.5rem; }
}