:root {
    --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    --color-page: #f4fbf3;
    --color-surface: #ffffff;
    --color-surface-soft: #e8f7e7;
    --color-surface-muted: #d9efd8;
    --color-text: #17201b;
    --color-text-muted: #4b5b50;
    --color-text-invert: #ffffff;
    --color-border: #c8ddc7;
    --brand: #0b7a43;
    --brand-strong: #075f35;
    --brand-soft: #dff4de;
    --accent: #e28d1a;
    --danger: #a72c2c;
    --success: #0b7a43;
    --dark: #08140f;
    --dark-soft: #10241a;
    --overlay-strong: linear-gradient(90deg, rgba(8, 20, 15, .88), rgba(8, 20, 15, .52), rgba(8, 20, 15, .2));
    --shadow-soft: 0 18px 45px rgb(8 20 15 / 14%);
    --shadow-card: 0 12px 28px rgb(8 20 15 / 10%);
    --radius-sm: .45rem;
    --radius-md: .85rem;
    --radius-lg: 1.4rem;
    --container: 1180px;
    --section-space: clamp(3rem, 7vw, 6rem);
}

* { box-sizing: border-box; }
html { color-scheme: light; scroll-behavior: smooth; }
body {
    margin: 0;
    font-family: var(--font-sans);
    color: var(--color-text);
    background: var(--color-page);
    line-height: 1.6;
    text-rendering: optimizeLegibility;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration-thickness: .08em; text-underline-offset: .18em; }
button, input, textarea { font: inherit; }

.container {
    width: min(var(--container), calc(100% - 2rem));
    margin-inline: auto;
}
.narrow { max-width: 820px; }
.skip-link {
    position: absolute;
    left: 1rem;
    top: .5rem;
    padding: .75rem 1rem;
    color: var(--color-text-invert);
    background: var(--brand-strong);
    transform: translateY(-150%);
    z-index: 1000;
}
.skip-link:focus { transform: translateY(0); }

.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: color-mix(in srgb, var(--dark) 88%, transparent);
    border-bottom: 1px solid color-mix(in srgb, var(--color-text-invert) 12%, transparent);
    backdrop-filter: blur(12px);
}
.header-grid {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 1.25rem;
    min-height: 74px;
}
.brand { display: inline-flex; align-items: center; }
.brand img { width: clamp(150px, 14vw, 188px); height: auto; }
.main-nav {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: .25rem;
}
.main-nav a,
.header-phone {
    color: var(--color-text-invert);
    text-decoration: none;
    font-weight: 750;
    letter-spacing: .01em;
    padding: .65rem .85rem;
    border-radius: 999px;
}
.main-nav a:hover,
.main-nav a:focus-visible,
.main-nav a.is-active {
    background: color-mix(in srgb, var(--brand) 78%, transparent);
}
.header-phone {
    display: inline-flex;
    gap: .4rem;
    background: color-mix(in srgb, var(--brand) 32%, transparent);
    white-space: nowrap;
}
.nav-toggle {
    display: none;
    width: 46px;
    height: 46px;
    border: 1px solid color-mix(in srgb, var(--color-text-invert) 24%, transparent);
    background: transparent;
    border-radius: var(--radius-sm);
    color: var(--color-text-invert);
}
.nav-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    margin: 5px auto;
    background: currentColor;
}

.hero,
.sub-hero { position: relative; }
.hero-home {
    min-height: clamp(560px, 72vh, 760px);
    display: grid;
    align-items: center;
    overflow: clip;
    margin-top: -74px;
    padding-top: 74px;
    background: var(--dark);
}
.hero-home picture,
.hero-home picture img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.hero-overlay {
    position: absolute;
    inset: 0;
    background: var(--overlay-strong);
}
.hero-content {
    position: relative;
    z-index: 1;
    color: var(--color-text-invert);
    padding-block: clamp(4rem, 10vw, 8rem);
    max-width: min(var(--container), calc(100% - 2rem));
}
.hero-content h1,
.sub-hero h1 {
    max-width: 850px;
    margin: 0;
    font-size: clamp(2.4rem, 7vw, 5.4rem);
    line-height: .98;
    letter-spacing: -.055em;
}
.hero-text {
    max-width: 720px;
    font-size: clamp(1.1rem, 2.2vw, 1.35rem);
    color: color-mix(in srgb, var(--color-text-invert) 88%, transparent);
}
.eyebrow {
    margin: 0 0 .85rem;
    color: var(--brand);
    font-weight: 850;
    letter-spacing: .12em;
    text-transform: uppercase;
    font-size: .82rem;
}
.hero .eyebrow,
.section-dark .eyebrow { color: var(--accent); }
.button-row,
.cta-actions {
    display: flex;
    flex-wrap: wrap;
    gap: .85rem;
    margin-top: 1.5rem;
}
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    padding: .85rem 1.15rem;
    border-radius: 999px;
    border: 2px solid transparent;
    text-decoration: none;
    font-weight: 850;
    cursor: pointer;
}
.btn-primary { background: var(--brand); color: var(--color-text-invert); }
.btn-primary:hover,
.btn-primary:focus-visible { background: var(--brand-strong); }
.btn-secondary { background: var(--color-surface); color: var(--color-text); border-color: var(--color-border); }
.btn-secondary:hover,
.btn-secondary:focus-visible { border-color: var(--brand); color: var(--brand-strong); }

.section { padding-block: var(--section-space); }
.section-light { background: var(--color-surface-soft); }
.section-dark { background: var(--dark); color: var(--color-text-invert); }
.section-heading { max-width: 760px; margin-bottom: 2rem; }
.section-heading h2,
.intro-grid h2,
.feature-grid h2,
.cta-box h2,
.prose h2,
.info-card h2,
.contact-card h2,
.contact-form h2,
.timeline-card h2 {
    margin: 0 0 1rem;
    line-height: 1.08;
    font-size: clamp(1.8rem, 4vw, 3rem);
    letter-spacing: -.035em;
}
.intro-grid,
.feature-grid,
.content-grid,
.contact-grid,
.page-hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(300px, .75fr);
    gap: clamp(2rem, 6vw, 5rem);
    align-items: start;
}
.lead-text { font-size: 1.08rem; color: var(--color-text-muted); }

.card-grid { display: grid; gap: 1.25rem; }
.cards-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.service-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-card);
    display: flex;
    flex-direction: column;
}
.service-card img {
    width: 100%;
    aspect-ratio: 4 / 2.6;
    object-fit: cover;
}
.service-card-body {
    padding: 1.35rem;
    display: flex;
    flex-direction: column;
    flex: 1;
}
.service-card h3 {
    margin: 0 0 .65rem;
    line-height: 1.05;
    font-size: 1.35rem;
    letter-spacing: -.025em;
}
.service-card p { color: var(--color-text-muted); margin-top: 0; }
.service-card a,
.text-link {
    margin-top: auto;
    color: var(--brand-strong);
    font-weight: 850;
}
.feature-list { display: grid; gap: 1rem; }
.feature-list div,
.info-card,
.contact-card,
.contact-form,
.timeline-card,
.note-box {
    background: var(--color-surface);
    color: var(--color-text);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    padding: clamp(1.25rem, 4vw, 2rem);
}
.section-dark .feature-list div { background: var(--dark-soft); color: var(--color-text-invert); border-color: color-mix(in srgb, var(--color-text-invert) 15%, transparent); }
.feature-list strong { display: block; font-size: 1.2rem; margin-bottom: .25rem; }
.feature-list span { color: color-mix(in srgb, currentColor 76%, transparent); }
.cta-box {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-soft);
    padding: clamp(1.5rem, 5vw, 3rem);
}

.sub-hero {
    padding-block: clamp(4.5rem, 9vw, 7rem);
    background: linear-gradient(135deg, var(--color-surface-soft), var(--color-page));
    border-bottom: 1px solid var(--color-border);
}
.with-image { padding-block: clamp(3rem, 7vw, 5rem); }
.page-hero-grid { align-items: center; }
.page-hero-grid img {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-soft);
    border: 1px solid var(--color-border);
}
.prose { max-width: 780px; }
.prose p,
.prose li { color: var(--color-text-muted); }
.check-list {
    list-style: none;
    padding: 0;
    margin: 1.5rem 0 0;
    display: grid;
    gap: .75rem;
}
.check-list li {
    position: relative;
    padding-left: 2rem;
}
.check-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    top: 0;
    width: 1.35rem;
    height: 1.35rem;
    display: inline-grid;
    place-items: center;
    border-radius: 50%;
    background: var(--brand);
    color: var(--color-text-invert);
    font-size: .85rem;
    font-weight: 900;
}
.split-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.25rem;
}
.split-list article {
    padding: clamp(1.25rem, 4vw, 2rem);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
}
.split-list h2 { margin: 0 0 .6rem; line-height: 1.1; }
.info-card { position: sticky; top: 100px; }
.timeline-card dl { display: grid; gap: .8rem; margin: 0 0 1.5rem; }
.timeline-card div { border-bottom: 1px solid var(--color-border); padding-bottom: .8rem; }
.timeline-card dt { font-weight: 850; }
.timeline-card dd { margin: 0; color: var(--color-text-muted); }
.timeline { max-width: 900px; }
.timeline article {
    display: grid;
    grid-template-columns: 180px 1fr;
    gap: 1.2rem;
    border-left: 4px solid var(--brand);
    padding: 0 0 1.6rem 1.2rem;
    margin-left: .5rem;
}
.timeline time { font-weight: 900; color: var(--brand-strong); }
.timeline p { margin: 0; color: var(--color-text-muted); }

.contact-grid { grid-template-columns: .72fr 1.28fr; }
.contact-form { display: grid; gap: 1rem; }
.form-row { display: grid; gap: .35rem; }
.form-row label,
.checkbox-row { font-weight: 750; }
.form-row input,
.form-row textarea {
    width: 100%;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: .85rem .95rem;
    background: var(--color-surface);
    color: var(--color-text);
}
.form-row input:focus,
.form-row textarea:focus {
    outline: 3px solid var(--brand-soft);
    border-color: var(--brand);
}
.two-cols { grid-template-columns: 1fr 1fr; }
.checkbox-row {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: .75rem;
    align-items: start;
    color: var(--color-text-muted);
}
.checkbox-row input { margin-top: .3rem; }
.hp-field { display: none; }
.alert {
    padding: 1rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border);
}
.alert-success { background: var(--brand-soft); border-color: var(--success); }
.alert-error { background: color-mix(in srgb, var(--danger) 11%, var(--color-surface)); border-color: var(--danger); }
.alert ul { margin: .5rem 0 0; }
.small-note { font-size: .93rem; color: var(--color-text-muted); }
.legal-text h2 { font-size: 1.35rem; margin-top: 2rem; }
.center-buttons { justify-content: center; }

.site-footer {
    background: var(--dark);
    color: var(--color-text-invert);
    padding-top: 3rem;
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.35fr 1fr .9fr 1fr .8fr;
    gap: 2rem;
    padding-bottom: 2.5rem;
}
.footer-logo { width: 170px; height: auto; margin-bottom: 1rem; }
.site-footer h2 { font-size: 1rem; margin: 0 0 1rem; }
.site-footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: .45rem; }
.site-footer a { color: var(--color-text-invert); }
.site-footer p,
.site-footer address { color: color-mix(in srgb, var(--color-text-invert) 78%, transparent); font-style: normal; }
.footer-bottom {
    border-top: 1px solid color-mix(in srgb, var(--color-text-invert) 13%, transparent);
    padding-block: 1rem;
}
.footer-bottom-inner {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    color: color-mix(in srgb, var(--color-text-invert) 72%, transparent);
    font-size: .92rem;
}


/* V1.0.3: sichtbarer Historie-Bereich und zweite Startseiten-Designvariante */
.btn-block { width: 100%; }
.history-teaser {
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(300px, .95fr);
    gap: clamp(2rem, 6vw, 5rem);
    align-items: center;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-soft);
    padding: clamp(1.5rem, 5vw, 3rem);
}
.history-teaser h2 { margin: 0 0 1rem; line-height: 1.08; font-size: clamp(1.8rem, 4vw, 3.1rem); letter-spacing: -.035em; }
.history-teaser p { color: var(--color-text-muted); }
.history-facts { display: grid; gap: 1rem; }
.history-facts article {
    display: grid;
    grid-template-columns: 86px 1fr;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--brand-soft);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
}
.history-facts strong { color: var(--brand-strong); font-size: 1.35rem; }
.history-facts span { color: var(--color-text-muted); }
.history-mini {
    display: grid;
    gap: .25rem;
    margin: 0 0 1.2rem;
    padding: 1rem;
    background: var(--brand-soft);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
}
.history-mini strong { color: var(--brand-strong); }
.history-mini span { color: var(--color-text-muted); }

.home-alt .site-header { background: #16241d; }
.alt-hero {
    padding-block: clamp(4.5rem, 8vw, 7rem);
    background:
        radial-gradient(circle at 18% 24%, color-mix(in srgb, var(--brand-soft) 70%, transparent), transparent 34%),
        linear-gradient(135deg, var(--color-page), #ffffff 72%);
    border-bottom: 1px solid var(--color-border);
}
.alt-hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(360px, .86fr);
    gap: clamp(2rem, 6vw, 5rem);
    align-items: center;
}
.alt-hero-copy h1 {
    margin: 0;
    max-width: 880px;
    font-size: clamp(2.6rem, 6.2vw, 5.9rem);
    line-height: .94;
    letter-spacing: -.06em;
}
.alt-hero-copy p:not(.eyebrow) {
    max-width: 720px;
    color: var(--color-text-muted);
    font-size: clamp(1.05rem, 2vw, 1.25rem);
}
.alt-visual { position: relative; min-height: 470px; }
.alt-visual-main {
    width: 100%;
    height: 470px;
    object-fit: cover;
    border-radius: 2rem;
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-soft);
}
.alt-visual-card {
    position: absolute;
    display: grid;
    gap: .15rem;
    width: min(270px, 68%);
    padding: 1rem 1.1rem;
    color: var(--color-text-invert);
    background: color-mix(in srgb, var(--dark) 88%, transparent);
    border: 1px solid color-mix(in srgb, var(--color-text-invert) 17%, transparent);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-card);
    backdrop-filter: blur(10px);
}
.alt-visual-card strong { font-size: 1.1rem; }
.alt-visual-card span { color: color-mix(in srgb, var(--color-text-invert) 78%, transparent); }
.alt-card-top { top: 1.2rem; left: -1.4rem; }
.alt-card-bottom { right: -1.2rem; bottom: 1.2rem; }
.alt-facts-section { background: var(--dark); color: var(--color-text-invert); }
.alt-facts-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1px;
    background: color-mix(in srgb, var(--color-text-invert) 14%, transparent);
    border-inline: 1px solid color-mix(in srgb, var(--color-text-invert) 14%, transparent);
}
.alt-facts-grid article {
    display: grid;
    gap: .35rem;
    min-height: 125px;
    align-content: center;
    padding: 1.4rem;
    background: var(--dark);
}
.alt-facts-grid span { color: var(--accent); font-weight: 850; text-transform: uppercase; letter-spacing: .12em; font-size: .78rem; }
.alt-facts-grid strong { font-size: clamp(1.1rem, 2vw, 1.45rem); line-height: 1.15; }
.alt-services-grid {
    display: grid;
    grid-template-columns: minmax(280px, .74fr) minmax(0, 1fr);
    gap: clamp(2rem, 6vw, 5rem);
    align-items: start;
}
.alt-sticky-heading { position: sticky; top: 110px; }
.alt-sticky-heading h2,
.alt-history-panel h2,
.alt-cta-box h2 {
    margin: 0 0 1rem;
    line-height: 1.05;
    font-size: clamp(2rem, 4.2vw, 3.5rem);
    letter-spacing: -.04em;
}
.alt-sticky-heading p,
.alt-history-panel p { color: var(--color-text-muted); }
.alt-service-list { display: grid; gap: 1rem; }
.alt-service-list article {
    display: grid;
    grid-template-columns: 72px 1fr;
    gap: 1.2rem;
    padding: clamp(1.25rem, 4vw, 2rem);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
}
.alt-service-list span {
    width: 52px;
    height: 52px;
    display: inline-grid;
    place-items: center;
    border-radius: 50%;
    background: var(--brand);
    color: var(--color-text-invert);
    font-weight: 900;
}
.alt-service-list h3 { margin: 0 0 .4rem; font-size: 1.45rem; line-height: 1.1; }
.alt-service-list p { margin: 0; color: var(--color-text-muted); }
.alt-image-band { padding-top: 0; }
.alt-image-grid { display: grid; grid-template-columns: 1.2fr .9fr .9fr; gap: 1rem; }
.alt-image-grid img {
    width: 100%;
    height: clamp(220px, 28vw, 390px);
    object-fit: cover;
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-card);
}
.alt-history-panel {
    display: grid;
    grid-template-columns: minmax(0, .95fr) minmax(300px, 1fr);
    gap: clamp(2rem, 6vw, 5rem);
    align-items: center;
}
.alt-history-years { display: grid; gap: 1rem; }
.alt-history-years article {
    display: grid;
    grid-template-columns: 95px 1fr;
    gap: 1rem;
    align-items: center;
    padding: 1.2rem;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-left: 5px solid var(--brand);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-card);
}
.alt-history-years time { color: var(--brand-strong); font-weight: 950; font-size: 1.25rem; }
.alt-cta-dark { padding-top: var(--section-space); }
.alt-cta-box { background: var(--dark-soft); color: var(--color-text-invert); border-color: color-mix(in srgb, var(--color-text-invert) 14%, transparent); }
.alt-cta-box p { color: color-mix(in srgb, var(--color-text-invert) 78%, transparent); }

@media (max-width: 1060px) {
    .cards-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .footer-grid { grid-template-columns: 1.3fr 1fr 1fr; }
    .alt-facts-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .header-phone { display: none; }
    .header-grid { grid-template-columns: auto 1fr auto; }
}
@media (max-width: 820px) {
    .nav-toggle { display: block; justify-self: end; }
    .main-nav {
        position: absolute;
        left: 1rem;
        right: 1rem;
        top: calc(100% + .5rem);
        display: none;
        flex-direction: column;
        align-items: stretch;
        background: var(--dark);
        border: 1px solid color-mix(in srgb, var(--color-text-invert) 15%, transparent);
        border-radius: var(--radius-md);
        padding: .65rem;
        box-shadow: var(--shadow-soft);
    }
    .site-header.is-open .main-nav { display: flex; }
    .main-nav a { width: 100%; }
    .intro-grid,
    .feature-grid,
    .content-grid,
    .contact-grid,
    .page-hero-grid,
    .split-list,
    .history-teaser,
    .alt-hero-grid,
    .alt-services-grid,
    .alt-history-panel { grid-template-columns: 1fr; }
    .info-card,
    .alt-sticky-heading { position: static; }
    .alt-visual { min-height: auto; }
    .alt-card-top { left: 1rem; }
    .alt-card-bottom { right: 1rem; }
    .alt-image-grid { grid-template-columns: 1fr; }
    .cta-box { align-items: flex-start; flex-direction: column; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .timeline article { grid-template-columns: 1fr; gap: .25rem; }
}
@media (max-width: 620px) {
    .cards-4 { grid-template-columns: 1fr; }
    .history-facts article,
    .alt-service-list article,
    .alt-history-years article { grid-template-columns: 1fr; }
    .alt-facts-grid { grid-template-columns: 1fr; }
    .alt-visual-main { height: 360px; }
    .alt-visual-card { position: static; width: 100%; margin-top: .75rem; }
    .two-cols { grid-template-columns: 1fr; }
    .hero-home { min-height: 640px; }
    .footer-grid { grid-template-columns: 1fr; }
    .footer-bottom-inner { flex-direction: column; }
    .brand img { width: 138px; }
    .header-grid { min-height: 66px; }
}
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { scroll-behavior: auto !important; }
}