/* ═══════════════════════════════════════════════════════════════
   altenbrand.de · ab-landing.css
   Landing-Module der Schauseiten (.ab-page).
   Helle, freundliche Grundstimmung; Logo-Blau als Akzent.
   Motiv-Sprache: Barcode, Scan-Punkt, Etikett, Förderband —
   Auto-ID seit 1989 als grafisches Leitmotiv.
   ═══════════════════════════════════════════════════════════════ */

/* ── Seiten-Gerüst ── */

/* 100vw-Bleed schließt die Scrollbar ein — horizontales
   Überlaufen der Schauseite deshalb hart abschneiden. */
html:has(.ab-page) {
    overflow-x: clip;
}

.ab-page {
    display: block;
    color: var(--ab-text);
}

/* Material-Content-Beschränkung für Schauseiten aufheben */
.md-main:has(.ab-page) .md-main__inner {
    margin-top: 0;
}

.md-content:has(.ab-page) .md-content__inner {
    margin: 0;
    padding: 0;
    max-width: none;
}
.md-content:has(.ab-page) .md-content__inner::before {
    display: none;
}

.ab-bleed {
    width: 100vw;
    margin-left: calc(50% - 50vw);
}

.ab-inner {
    max-width: 72rem;
    margin: 0 auto;
    padding: 0 1.2rem;
}

.ab-section {
    padding: 4.5rem 0;
}

.ab-section--band {
    background: var(--ab-paper);
}

.ab-section--blue {
    background: linear-gradient(150deg, var(--ab-blue) 0%, #21489F 100%);
    color: #FFFFFF;
}

/* Sektionstitel */
.ab-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    font-family: var(--ab-mono);
    font-size: 0.62rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: var(--ab-blue);
}
.ab-section--blue .ab-eyebrow { color: #BCD0FF; }

/* Der kleine Strich vor jedem Sektionslabel: Agentur-Orange */
.ab-eyebrow::before {
    content: "";
    width: 1.6rem;
    height: 2px;
    background: var(--ab-orange);
}

.ab-page h2 {
    font-size: clamp(1.6rem, 3.4vw, 2.3rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.12;
    margin: 0.7rem 0 0.9rem;
    text-wrap: balance;
}
.ab-section--blue h2 { color: #FFFFFF; }

.ab-lead {
    font-size: 0.86rem;
    line-height: 1.6;
    color: var(--ab-muted);
    max-width: 44rem;
    margin: 0;
}
.ab-section--blue .ab-lead { color: #D4DFF8; }

.ab-section__head { margin-bottom: 2.6rem; }

/* ── Buttons ── */

.ab-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.72rem 1.5rem;
    border-radius: var(--ab-radius);
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    border: 1.5px solid transparent;
    transition: background 0.18s ease, color 0.18s ease, border-color 0.18s ease, transform 0.18s ease;
}

.ab-btn--brand {
    background: var(--ab-blue);
    color: #FFFFFF !important;
}
.ab-btn--brand:hover {
    background: #2B50B5;
    transform: translateY(-1px);
}

.ab-btn--outline {
    border-color: var(--ab-blue);
    color: var(--ab-blue) !important;
}
.ab-btn--outline:hover { background: var(--ab-blue); color: #FFFFFF !important; }

/* Weißer Button für das blaue Band */
.ab-btn--light {
    background: #FFFFFF;
    color: var(--ab-blue) !important;
}
.ab-btn--light:hover { background: #E8EEFC; transform: translateY(-1px); }

/* Oranger Haupt-CTA auf dem blauen Band */
.ab-btn--orange {
    background: var(--ab-orange);
    color: #FFFFFF !important;
}
.ab-btn--orange:hover { background: #FF9438; transform: translateY(-1px); }

.ab-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.7rem;
    margin-top: 1.2rem;
}

/* ═══════════ HERO (hell) ═══════════ */

.ab-hero {
    background:
        linear-gradient(180deg, #FFFFFF 0%, var(--ab-paper) 100%);
    padding: 0.75rem 0 2.2rem;
    position: relative;
    overflow: hidden;
    border-bottom: 1px solid var(--ab-line);
}

/* Hintergrund: feines technisches Raster */
.ab-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(var(--ab-line) 1px, transparent 1px),
        linear-gradient(90deg, var(--ab-line) 1px, transparent 1px);
    background-size: 56px 56px;
    opacity: 0.5;
    mask-image: radial-gradient(1000px 540px at 78% 0%, #000 0%, transparent 72%);
    -webkit-mask-image: radial-gradient(1000px 540px at 78% 0%, #000 0%, transparent 72%);
}

.ab-hero__grid {
    position: relative;
    display: grid;
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: 3.5rem;
    align-items: center;
}

.ab-hero h1 {
    font-size: clamp(2rem, 4.6vw, 3.3rem);
    font-weight: 700;
    letter-spacing: -0.025em;
    line-height: 1.06;
    margin: 0.7rem 0 0.8rem;
    color: var(--ab-text);
    text-wrap: balance;
}

.ab-hero h1 em {
    font-style: normal;
    color: var(--ab-orange-text);
}

.ab-hero__sub {
    font-size: 0.88rem;
    line-height: 1.6;
    color: var(--ab-muted);
    max-width: 34rem;
    margin: 0;
}
.ab-hero__sub strong { color: var(--ab-text); }

/* Kennzahlen unter dem Hero-Text */
.ab-hero__stats {
    display: flex;
    flex-wrap: wrap;
    gap: 0;
    margin-top: 1.6rem;
    border-top: 1px solid var(--ab-line);
}

.ab-stat {
    flex: 1 1 8rem;
    padding: 1rem 1.2rem 0 0;
    border-left: 1px solid var(--ab-line);
    padding-left: 1.2rem;
}
.ab-stat:first-child { border-left: none; padding-left: 0; }

.ab-stat__num {
    display: block;
    font-family: var(--ab-mono);
    font-weight: 600;
    font-size: 1.55rem;
    color: var(--ab-blue);
    font-variant-numeric: tabular-nums;
    line-height: 1.1;
}

.ab-stat__label {
    display: block;
    font-size: 0.64rem;
    color: var(--ab-muted);
    margin-top: 0.25rem;
    line-height: 1.4;
}

/* Highlight-Kennzahl (das Jubiläum) in Orange */
.ab-stat__num--orange {
    color: var(--ab-orange-text);
}

/* ── Das Etikett (Hero-Grafik) — weiß, wie ein echtes Label ── */

.ab-tag {
    position: relative;
    background: #FFFFFF;
    border: 1px solid var(--ab-line);
    border-radius: var(--ab-radius);
    padding: 1.5rem 1.6rem 1.3rem;
    box-shadow: 0 24px 48px -24px rgba(24, 56, 131, 0.35);
    max-width: 26rem;
    justify-self: end;
    width: 100%;
    transform: rotate(-1deg);
}

/* Passermarken in den Ecken — im Logo-Grau */
.ab-tag::before,
.ab-tag::after {
    content: "";
    position: absolute;
    width: 14px;
    height: 14px;
    border: 2px solid var(--ab-gray);
    opacity: 0.9;
}
.ab-tag::before {
    top: -2px;
    left: -2px;
    border-right: none;
    border-bottom: none;
}
.ab-tag::after {
    bottom: -2px;
    right: -2px;
    border-left: none;
    border-top: none;
}

.ab-tag__head {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    font-family: var(--ab-mono);
    font-size: 0.56rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--ab-muted);
    border-bottom: 1px dashed var(--ab-line);
    padding-bottom: 0.7rem;
    margin-bottom: 1.1rem;
}
.ab-tag__head b { color: var(--ab-blue); font-weight: 600; }
.ab-tag__head span:last-child { margin-left: auto; }

.ab-tag__mark {
    display: inline-flex;
    line-height: 0;
}

/* Barcode (unregelmäßig, Code-128-Anmutung) + Scan-Punkt */
.ab-tag__code {
    position: relative;
    height: 74px;
    overflow: visible;
}

.ab-tag__code svg {
    width: 100%;
    height: 100%;
    display: block;
    fill: var(--ab-text);
}

/* Roter Scan-Punkt: fährt mittig über den Code */
.ab-tag__dot {
    position: absolute;
    top: 50%;
    left: 0;
    width: 10px;
    height: 10px;
    margin: -5px 0 0 -5px;
    border-radius: 50%;
    background: var(--ab-laser);
    box-shadow:
        0 0 6px 2px rgba(255, 61, 46, 0.75),
        0 0 22px 8px rgba(255, 61, 46, 0.28);
    animation: ab-scan 3.4s cubic-bezier(0.45, 0, 0.55, 1) infinite;
}

@keyframes ab-scan {
    0%   { left: 2%; }
    50%  { left: 98%; }
    100% { left: 2%; }
}

@media (prefers-reduced-motion: reduce) {
    .ab-tag__dot { animation: none; left: 50%; }
}

.ab-tag__digits {
    display: flex;
    justify-content: space-between;
    font-family: var(--ab-mono);
    font-size: 0.6rem;
    letter-spacing: 0.3em;
    color: var(--ab-muted);
    margin-top: 0.55rem;
}

.ab-tag__chips {
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem;
    margin-top: 1.15rem;
}

.ab-chip {
    font-family: var(--ab-mono);
    font-size: 0.58rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    padding: 0.28rem 0.6rem;
    border: 1px solid var(--ab-line);
    color: var(--ab-muted);
    border-radius: var(--ab-radius);
}

.ab-chip--brand {
    border-color: var(--ab-blue);
    color: var(--ab-blue);
}

/* ═══════════ SYSTEME (adPV · adLVS · adKVS) ═══════════ */

.ab-systems {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.1rem;
}

.ab-sys {
    position: relative;
    background: var(--ab-card);
    border: 1px solid var(--ab-line);
    border-top: 3px solid var(--ab-blue);
    border-radius: var(--ab-radius);
    padding: 1.6rem 1.5rem 1.4rem;
    box-shadow: var(--ab-shadow);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    display: flex;
    flex-direction: column;
}

.ab-sys:hover {
    transform: translateY(-4px);
    box-shadow: 0 4px 8px rgba(24, 56, 131, 0.06), 0 22px 44px -16px rgba(24, 56, 131, 0.22);
}

.ab-sys__code {
    font-family: var(--ab-mono);
    font-size: 0.6rem;
    font-weight: 600;
    letter-spacing: 0.14em;
    color: var(--ab-blue);
    text-transform: uppercase;
}

/* Produktlogo in der Kachel (adPV, adLVS, adKVS) */
.ab-sys__logo {
    margin: 0.7rem 0 0.4rem;
}
.ab-sys__logo img {
    height: 32px;
    width: auto;
    display: block;
}

.ab-sys h3 {
    font-size: 1.05rem;
    font-weight: 700;
    letter-spacing: -0.01em;
    margin: 0.5rem 0 0.55rem;
}

.ab-sys__logo + h3 {
    font-size: 0.86rem;
    color: var(--ab-muted);
    font-weight: 600;
    margin-top: 0;
}

.ab-sys p {
    font-size: 0.72rem;
    line-height: 1.6;
    color: var(--ab-muted);
    margin: 0 0 1rem;
    flex: 1;
}

.ab-sys__link {
    font-family: var(--ab-mono);
    font-size: 0.62rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--ab-blue) !important;
}
.ab-sys__link:hover { text-decoration: underline; }
.ab-sys__link::after { content: " →"; }

/* Sekundärzeile Kompetenzfelder */
.ab-fields {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1.1rem;
    margin-top: 1.1rem;
}

.ab-field {
    background: var(--ab-card);
    border: 1px solid var(--ab-line);
    border-radius: var(--ab-radius);
    padding: 1.1rem 1.2rem;
}

.ab-field b {
    display: block;
    font-size: 0.74rem;
    font-weight: 700;
    margin-bottom: 0.3rem;
}

.ab-field span {
    font-size: 0.66rem;
    line-height: 1.5;
    color: var(--ab-muted);
    display: block;
}

/* ═══════════ WEG DER WARE (Förderband, helles Band) ═══════════ */

.ab-flow {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 2.2rem;
    position: relative;
    margin-top: 3rem;
}

/* Förderband-Linie */
.ab-flow::before {
    content: "";
    position: absolute;
    top: 27px;
    left: 2%;
    right: 2%;
    height: 2px;
    background-image: linear-gradient(90deg, var(--ab-blue) 0 14px, transparent 14px 26px);
    background-size: 26px 2px;
    opacity: 0.55;
    animation: ab-belt 1.4s linear infinite;
}

@keyframes ab-belt {
    to { background-position: 26px 0; }
}

@media (prefers-reduced-motion: reduce) {
    .ab-flow::before { animation: none; }
}

.ab-station {
    position: relative;
    padding-top: 4rem;
}

.ab-station__dot {
    position: absolute;
    top: 16px;
    left: 0;
    width: 24px;
    height: 24px;
    background: #FFFFFF;
    border: 2.5px solid var(--ab-blue);
    border-radius: 50%;
    display: grid;
    place-items: center;
}
.ab-station__dot i {
    width: 8px;
    height: 8px;
    background: var(--ab-blue);
    border-radius: 50%;
}

.ab-station__no {
    font-family: var(--ab-mono);
    font-size: 0.58rem;
    font-weight: 600;
    letter-spacing: 0.14em;
    color: var(--ab-blue);
}

.ab-station h3 {
    font-size: 0.92rem;
    font-weight: 700;
    color: var(--ab-text);
    margin: 0.4rem 0 0.45rem;
}

.ab-station p {
    font-size: 0.7rem;
    line-height: 1.55;
    color: var(--ab-muted);
    margin: 0;
}

.ab-station small {
    display: block;
    font-family: var(--ab-mono);
    font-size: 0.58rem;
    color: var(--ab-blue);
    margin-top: 0.6rem;
    letter-spacing: 0.06em;
}

/* ═══════════ TIMELINE (1989 → 2026) ═══════════ */

.ab-history {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.1rem;
}

.ab-era {
    background: var(--ab-card);
    border: 1px solid var(--ab-line);
    border-radius: var(--ab-radius);
    padding: 1.5rem 1.5rem 1.4rem;
    position: relative;
}

.ab-era__year {
    font-family: var(--ab-mono);
    font-weight: 600;
    font-size: 1.9rem;
    letter-spacing: -0.02em;
    color: var(--ab-text);
    font-variant-numeric: tabular-nums;
}

.ab-era--now {
    background: var(--ab-blue);
    border-color: var(--ab-blue);
}
.ab-era--now .ab-era__year { color: #FFFFFF; }
.ab-era--now b { color: #FFFFFF; }
/* Erhöhte Spezifität: Material-Typografie darf hier nicht reinregieren */
.md-typeset .ab-era--now p,
.ab-era--now p {
    color: #FFFFFF;
    opacity: 0.95;
}

.ab-era b {
    display: block;
    font-size: 0.78rem;
    font-weight: 700;
    margin: 0.5rem 0 0.35rem;
}

.ab-era p {
    font-size: 0.7rem;
    line-height: 1.55;
    color: var(--ab-muted);
    margin: 0;
}

.ab-era__badge {
    position: absolute;
    top: 1.3rem;
    right: 1.3rem;
    font-family: var(--ab-mono);
    font-size: 0.56rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: #FFFFFF;
    background: var(--ab-orange);
    padding: 0.22rem 0.5rem;
    border-radius: var(--ab-radius);
}

/* ═══════════ BRANCHEN ═══════════ */

.ab-branches {
    display: flex;
    flex-wrap: wrap;
    gap: 0.7rem;
}

.ab-branches span {
    font-size: 0.74rem;
    font-weight: 600;
    color: var(--ab-text);
    background: var(--ab-card);
    border: 1px solid var(--ab-line);
    border-left: 3px solid var(--ab-orange);
    padding: 0.55rem 1.1rem;
    border-radius: var(--ab-radius);
}

/* ═══════════ merchantCENTRAL-Karte ═══════════ */

.ab-mc {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 2rem;
    align-items: center;
    background: var(--ab-card);
    border: 1px solid var(--ab-line);
    border-left: 4px solid var(--ab-mc-teal);
    border-radius: var(--ab-radius);
    padding: 1.8rem 2rem;
    box-shadow: var(--ab-shadow);
}

.ab-mc__eyebrow {
    font-family: var(--ab-mono);
    font-size: 0.6rem;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--ab-mc-teal);
}

.ab-mc h3 {
    font-size: 1.15rem;
    font-weight: 700;
    margin: 0.45rem 0 0.5rem;
}

.ab-mc p {
    font-size: 0.74rem;
    line-height: 1.6;
    color: var(--ab-muted);
    margin: 0;
    max-width: 40rem;
}

.ab-mc .ab-btn {
    background: var(--ab-mc-teal);
    color: #fff !important;
    white-space: nowrap;
}
.ab-mc .ab-btn:hover { background: #00646F; transform: translateY(-1px); }

/* ═══════════ CTA (blaues Band) ═══════════ */

.ab-cta {
    text-align: left;
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 2rem;
    align-items: center;
}

.ab-cta h2 { margin-bottom: 0.5rem; }

.ab-cta p {
    color: #D4DFF8;
    font-size: 0.8rem;
    margin: 0;
    max-width: 38rem;
}

.ab-cta__contact {
    font-family: var(--ab-mono);
    font-size: 0.66rem;
    color: #BCD0FF;
    margin-top: 1rem;
    display: block;
}
.ab-cta__contact a { color: #FFFFFF !important; text-decoration: underline; }

/* ═══════════ Scroll-Reveal ═══════════ */

.ab-js .ab-reveal {
    opacity: 0;
    transform: translateY(18px);
    transition: opacity 0.55s ease, transform 0.55s ease;
}

.ab-js .ab-reveal.ab-in {
    opacity: 1;
    transform: none;
}

.ab-js .ab-d1 { transition-delay: 0.08s; }
.ab-js .ab-d2 { transition-delay: 0.16s; }
.ab-js .ab-d3 { transition-delay: 0.24s; }

@media (prefers-reduced-motion: reduce) {
    .ab-js .ab-reveal {
        opacity: 1;
        transform: none;
        transition: none;
    }
}

/* ═══════════ Responsive ═══════════ */

@media (max-width: 1000px) {
    .ab-hero__grid { grid-template-columns: 1fr; gap: 2.6rem; }
    .ab-tag { justify-self: start; transform: none; }
    .ab-systems { grid-template-columns: 1fr; }
    .ab-fields { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .ab-flow { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 2.4rem 1.6rem; }
    .ab-flow::before { display: none; }
    .ab-history { grid-template-columns: 1fr; }
    .ab-mc,
    .ab-cta { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
    .ab-fields { grid-template-columns: 1fr; }
    .ab-flow { grid-template-columns: 1fr; }
    .ab-section { padding: 3.2rem 0; }
    .ab-stat { flex-basis: 40%; margin-bottom: 1rem; }
}