/* ============================================================
   BDE GmbH – Sitepackage CSS
   Design: BDE-Blau + Amber · hell · klar · modern
   DSGVO-konform: keine externen Font-Requests
   ============================================================ */

/* ---------- 0. Self-hosted Fonts (optional) ----------
   Diese @font-face-Blöcke sind aktiv, sobald die WOFF2-Dateien
   im Ordner /assets/fonts/ liegen. Ohne Dateien greifen die
   System-Font-Stacks weiter unten – funktioniert also auch ohne.
   Download-Anleitung siehe README.md ("Fonts selbst hosten").
   ============================================================ */

@font-face {
    font-family: 'Inter';
    font-style: normal;
    font-weight: 300;
    font-display: swap;
    src: url('../fonts/inter-300.woff2') format('woff2');
}
@font-face {
    font-family: 'Inter';
    font-style: normal;
    font-weight: 400;
    font-display: swap;
    src: url('../fonts/inter-400.woff2') format('woff2');
}
@font-face {
    font-family: 'Inter';
    font-style: normal;
    font-weight: 500;
    font-display: swap;
    src: url('../fonts/inter-500.woff2') format('woff2');
}
@font-face {
    font-family: 'Inter';
    font-style: normal;
    font-weight: 600;
    font-display: swap;
    src: url('../fonts/inter-600.woff2') format('woff2');
}

@font-face {
    font-family: 'Space Grotesk';
    font-style: normal;
    font-weight: 400;
    font-display: swap;
    src: url('../fonts/space-grotesk-400.woff2') format('woff2');
}
@font-face {
    font-family: 'Space Grotesk';
    font-style: normal;
    font-weight: 500;
    font-display: swap;
    src: url('../fonts/space-grotesk-500.woff2') format('woff2');
}
@font-face {
    font-family: 'Space Grotesk';
    font-style: normal;
    font-weight: 600;
    font-display: swap;
    src: url('../fonts/space-grotesk-600.woff2') format('woff2');
}

@font-face {
    font-family: 'JetBrains Mono';
    font-style: normal;
    font-weight: 400;
    font-display: swap;
    src: url('../fonts/jetbrains-mono-400.woff2') format('woff2');
}
@font-face {
    font-family: 'JetBrains Mono';
    font-style: normal;
    font-weight: 500;
    font-display: swap;
    src: url('../fonts/jetbrains-mono-500.woff2') format('woff2');
}

/* ---------- 1. Reset & Basis ---------- */
*,
*::before,
*::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body,
.bde-body {
    margin: 0;
    font-family: var(--bde-font-body);
    font-size: 17px;
    line-height: 1.65;
    color: var(--bde-text);
    background: var(--bde-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    -webkit-hyphens: auto;
    hyphens: auto;
    -webkit-hyphenate-limit-chars: 8 4 4;
    hyphenate-limit-chars: 8 4 4;
}

img, svg, video { max-width: 100%; height: auto; display: block; }

a { color: var(--bde-anthracite); text-decoration: none; }
a:hover { color: var(--bde-anthracite-dark); }

button { font-family: inherit; }

/* ---------- 2. Design Tokens ---------- */
:root {
    /* Farben – BDE-Blau (aus Logo) */
    --bde-primary:        #00639C;
    --bde-primary-dark:   #004a75;
    --bde-primary-soft:   #d9e8f2;
    --bde-primary-bg:     #eef5fa;

    /* Anthrazit-Familie (Text + dunkle Sektionen) */
    --bde-anthracite:        #1a1d1f;
    --bde-anthracite-dark:   #0d0f10;
    --bde-anthracite-soft:   #2c3033;
    --bde-anthracite-muted:  #5a6065;

    /* Akzent – Amber/Bernstein (warmer Kontrast zum Blau) */
    --bde-accent:        #f5a524;
    --bde-accent-dark:   #d4881a;
    --bde-accent-soft:   #fde8c1;
    --bde-accent-bg:     #fef5e1;

    /* Legacy-Aliase für alte Klassen (rückwärtskompatibel) */
    --bde-lime:        var(--bde-accent);
    --bde-lime-dark:   var(--bde-accent-dark);
    --bde-lime-soft:   var(--bde-accent-soft);
    --bde-lime-bg:     var(--bde-accent-bg);

    /* Neutrale Töne – warmes Off-White */
    --bde-bg:          #fafaf7;
    --bde-bg-alt:      #f3f3ee;
    --bde-surface:     #ffffff;
    --bde-border:      #e4e4dd;
    --bde-border-soft: #ededdf;

    /* Text */
    --bde-text:         #1a1d1f;
    --bde-text-muted:   #5a6065;
    --bde-text-subtle:  #8a8e93;
    --bde-text-onDark:  #fafaf7;

    /* Schriften – Custom Fonts + robuste System-Fallbacks
       Wenn die WOFF2-Dateien vorhanden sind, werden sie genutzt.
       Ansonsten greifen die System-UI-Schriften (überall installiert). */
    --bde-font-display: 'Space Grotesk', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
    --bde-font-body:    'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --bde-font-mono:    'JetBrains Mono', ui-monospace, 'SF Mono', 'Cascadia Mono', 'Roboto Mono', Consolas, 'Courier New', monospace;

    /* Layout */
    --bde-container:    1240px;
    --bde-container-sm: 880px;
    --bde-radius-sm:    6px;
    --bde-radius-md:    10px;
    --bde-radius-lg:    18px;
    --bde-radius-xl:    28px;

    /* Schatten */
    --bde-shadow-sm: 0 1px 2px rgba(20,22,24,0.04), 0 0 0 1px rgba(20,22,24,0.05);
    --bde-shadow-md: 0 4px 14px -2px rgba(20,22,24,0.08), 0 0 0 1px rgba(20,22,24,0.05);
    --bde-shadow-lg: 0 16px 40px -12px rgba(20,22,24,0.18);

    /* Motion */
    --bde-ease:    cubic-bezier(.4,.0,.2,1);
    --bde-ease-out: cubic-bezier(.16,1,.3,1);
}

/* ---------- 3. Typografie ---------- */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--bde-font-display);
    font-weight: 500;
    line-height: 1.15;
    letter-spacing: -0.018em;
    color: var(--bde-anthracite);
    margin: 0 0 .6em;
}

h1 { font-size: clamp(2.2rem, 4.5vw, 3.8rem); letter-spacing: -0.025em; }
h2 { font-size: clamp(1.7rem, 3vw, 2.6rem); }
h3 { font-size: clamp(1.25rem, 1.8vw, 1.55rem); }
h4 { font-size: 1.15rem; }

p { margin: 0 0 1em; }
p + p { margin-top: 0; }

.bde-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--bde-font-mono);
    font-size: 12px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--bde-text-muted);
    margin: 0 0 1rem;
    font-weight: 500;
}
.bde-eyebrow--accent { color: var(--bde-anthracite); }

.bde-dot {
    width: 8px; height: 8px;
    border-radius: 50%;
    background: var(--bde-primary);
    box-shadow: 0 0 0 4px rgba(0,99,156,.25);
    animation: bde-pulse 2.4s var(--bde-ease) infinite;
}
@keyframes bde-pulse {
    0%, 100% { box-shadow: 0 0 0 4px rgba(0,99,156,.25); }
    50%      { box-shadow: 0 0 0 7px rgba(0,99,156,.05); }
}

.bde-highlight {
    background: linear-gradient(transparent 60%, var(--bde-accent) 60%);
    padding: 0 .12em;
    box-decoration-break: clone;
    -webkit-box-decoration-break: clone;
}

/* ---------- 4. Layout ---------- */
.bde-container {
    width: 100%;
    max-width: var(--bde-container);
    margin: 0 auto;
    padding: 0 24px;
}
@media (min-width: 768px) { .bde-container { padding: 0 40px; } }

.bde-section {
    padding: clamp(64px, 9vw, 120px) 0;
    position: relative;
}
.bde-section--cta    { background: var(--bde-anthracite); color: var(--bde-text-onDark); }
.bde-section--cases  { background: var(--bde-bg-alt); }
.bde-section--stack  { background: var(--bde-anthracite); color: var(--bde-text-onDark); }
.bde-section--values { background: var(--bde-bg-alt); }

.bde-section__head { max-width: 680px; margin: 0 0 3rem; }
.bde-section__head--row {
    display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between;
    gap: 1.5rem; max-width: none;
}
.bde-section__title { margin: 0 0 .5em; }
.bde-section__lead  { color: var(--bde-text-muted); font-size: 1.1rem; max-width: 60ch; }

.bde-section--stack .bde-section__title,
.bde-section--cta .bde-section__title,
.bde-section--stack h1, .bde-section--stack h2, .bde-section--stack h3,
.bde-section--cta h1, .bde-section--cta h2, .bde-section--cta h3 { color: var(--bde-text-onDark); }

.bde-section--stack .bde-eyebrow,
.bde-section--cta .bde-eyebrow { color: var(--bde-lime); }

.bde-grid { display: grid; gap: 48px; }
.bde-grid--sidebar { grid-template-columns: 1fr; }
.bde-grid--two     { grid-template-columns: 1fr; }
.bde-grid--contact { grid-template-columns: 1fr; }

@media (min-width: 900px) {
    .bde-grid--sidebar { grid-template-columns: minmax(0,1fr) 320px; }
    .bde-grid--two     { grid-template-columns: 1fr 1fr; }
    .bde-grid--contact { grid-template-columns: minmax(0,1fr) 360px; }
}

/* ---------- 5. Skiplink ---------- */
.bde-skiplink {
    position: absolute; top: -100px; left: 16px;
    background: var(--bde-primary); color: #ffffff;
    padding: 10px 16px; border-radius: var(--bde-radius-sm);
    z-index: 1000; font-weight: 500;
    transition: top .2s var(--bde-ease);
}
.bde-skiplink:focus { top: 16px; color: #ffffff; }

/* ---------- 6. Header & Navigation ---------- */
.bde-header {
    position: sticky; top: 0; z-index: 100;
    background: rgba(250,250,247,.85);
    backdrop-filter: saturate(180%) blur(14px);
    -webkit-backdrop-filter: saturate(180%) blur(14px);
    border-bottom: 1px solid transparent;
    transition: border-color .25s var(--bde-ease), background .25s var(--bde-ease);
}
.bde-header.is-scrolled {
    border-bottom-color: var(--bde-border);
    background: rgba(250,250,247,.94);
}
.bde-header__inner {
    display: flex; align-items: center; justify-content: space-between;
    padding-top: 16px; padding-bottom: 16px;
    gap: 1.5rem;
}

.bde-logo {
    display: inline-flex; align-items: center; gap: 12px;
    color: var(--bde-anthracite); text-decoration: none;
}
.bde-logo__img {
    display: block;
    height: 48px;
    width: auto;
    max-width: 220px;
}
.bde-logo--footer img {
    display: block;
    height: 64px;
    width: auto;
    max-width: 260px;
}
.bde-logo__mark {
    width: 38px; height: 38px;
    display: grid; place-items: center;
    background: var(--bde-primary);
    color: #ffffff;
    font-family: var(--bde-font-mono);
    font-weight: 700; font-size: 13px;
    border-radius: 8px;
    letter-spacing: 0.04em;
}
.bde-logo__text { display: flex; flex-direction: column; line-height: 1.1; }
.bde-logo__name { font-family: var(--bde-font-display); font-weight: 500; font-size: 1rem; }
.bde-logo__claim { font-size: 11px; color: var(--bde-text-muted); letter-spacing: 0.04em; }

.bde-nav { display: flex; align-items: center; gap: 2rem; }

.bde-nav__list {
    display: flex; align-items: center; gap: 1.8rem;
    list-style: none; padding: 0; margin: 0;
}
.bde-nav__item { position: relative; }
.bde-nav__link {
    font-size: 15px; font-weight: 400;
    color: var(--bde-anthracite-soft);
    padding: 8px 2px;
    border-bottom: 2px solid transparent;
    transition: color .2s var(--bde-ease), border-color .2s var(--bde-ease);
}
.bde-nav__link:hover { color: var(--bde-anthracite); }
.bde-nav__item.is-active > .bde-nav__link {
    color: var(--bde-anthracite); border-bottom-color: var(--bde-primary);
}

.bde-nav__sub {
    position: absolute; top: calc(100% + 12px); left: 50%;
    transform: translateX(-50%) translateY(-4px);
    background: var(--bde-surface);
    box-shadow: var(--bde-shadow-md);
    border-radius: var(--bde-radius-md);
    padding: 8px;
    min-width: 220px;
    list-style: none; margin: 0;
    opacity: 0; visibility: hidden; pointer-events: none;
    transition: opacity .2s, transform .2s, visibility .2s;
}
.bde-nav__item.has-children:hover > .bde-nav__sub,
.bde-nav__item.has-children:focus-within > .bde-nav__sub {
    opacity: 1; visibility: visible; pointer-events: auto;
    transform: translateX(-50%) translateY(0);
}
.bde-nav__sub-link {
    display: block; padding: 8px 12px;
    border-radius: var(--bde-radius-sm);
    font-size: 14px; color: var(--bde-anthracite-soft);
}
.bde-nav__sub-link:hover { background: var(--bde-bg-alt); color: var(--bde-anthracite); }

.bde-nav-toggle {
    display: none;
    background: none; border: 1px solid var(--bde-border);
    border-radius: var(--bde-radius-sm);
    padding: 8px 14px; gap: 8px;
    align-items: center; cursor: pointer;
}
.bde-nav-toggle__lines {
    width: 18px; height: 12px; position: relative;
}
.bde-nav-toggle__lines::before,
.bde-nav-toggle__lines::after,
.bde-nav-toggle__lines {
    background: var(--bde-anthracite);
}
.bde-nav-toggle__lines { background: transparent; }
.bde-nav-toggle__lines::before,
.bde-nav-toggle__lines::after {
    content: ''; position: absolute; left: 0; right: 0; height: 2px;
    background: var(--bde-anthracite); border-radius: 1px;
    transition: transform .25s var(--bde-ease), top .25s var(--bde-ease);
}
.bde-nav-toggle__lines::before { top: 2px; }
.bde-nav-toggle__lines::after  { top: 8px; }
.bde-nav-toggle[aria-expanded="true"] .bde-nav-toggle__lines::before { top: 5px; transform: rotate(45deg); }
.bde-nav-toggle[aria-expanded="true"] .bde-nav-toggle__lines::after  { top: 5px; transform: rotate(-45deg); }
.bde-nav-toggle__label { font-size: 14px; font-weight: 500; }

@media (max-width: 1023px) {
    /* WICHTIG: backdrop-filter erzeugt einen Containing Block für
       position:fixed-Kinder – das mobile Menü würde sonst innerhalb
       der Header-Box gefangen und unsichtbar sein. Deshalb auf Mobile
       ein opaker Header ohne Filter. */
    .bde-header {
        backdrop-filter: none;
        -webkit-backdrop-filter: none;
        background: var(--bde-bg);
    }
    .bde-header__inner { padding-top: 12px; padding-bottom: 12px; }
    .bde-logo__img { height: 40px; max-width: 170px; }

    .bde-nav-toggle { display: inline-flex; }
    .bde-nav {
        position: fixed; inset: 64px 0 0 0;
        z-index: 99;
        background: var(--bde-bg);
        flex-direction: column; align-items: stretch;
        padding: 32px 24px;
        transform: translateY(-12px);
        opacity: 0; visibility: hidden;
        transition: opacity .25s var(--bde-ease), transform .25s var(--bde-ease), visibility .25s;
        overflow-y: auto;
    }
    .bde-nav.is-open { opacity: 1; visibility: visible; transform: translateY(0); }
    .bde-nav__list { flex-direction: column; align-items: flex-start; gap: 1rem; width: 100%; }
    .bde-nav__link { font-size: 1.3rem; padding: 8px 0; }
    .bde-nav__sub {
        position: static; opacity: 1; visibility: visible; pointer-events: auto;
        transform: none; box-shadow: none; padding: 0 0 0 12px;
        background: transparent; min-width: 0;
    }
    .bde-nav__cta { margin-top: 1.5rem; align-self: flex-start; }
}

/* ---------- 7. Buttons & Links ---------- */
.bde-btn {
    display: inline-flex; align-items: center; gap: 10px;
    padding: 12px 22px;
    font-family: var(--bde-font-display);
    font-size: 15px; font-weight: 500;
    border-radius: var(--bde-radius-sm);
    border: 1px solid transparent;
    cursor: pointer; text-decoration: none;
    transition: transform .15s var(--bde-ease),
                background .2s var(--bde-ease),
                color .2s var(--bde-ease),
                box-shadow .2s var(--bde-ease);
    line-height: 1;
}
.bde-btn:active { transform: scale(.98); }
.bde-btn--lg { padding: 16px 28px; font-size: 16px; }

.bde-btn--primary {
    background: var(--bde-primary); color: var(--bde-text-onDark);
    border-color: var(--bde-primary);
}
.bde-btn--primary:hover {
    background: var(--bde-primary-dark); color: var(--bde-text-onDark);
    border-color: var(--bde-primary-dark);
}

.bde-btn--ghost {
    background: transparent; color: var(--bde-anthracite);
    border-color: var(--bde-anthracite);
}
.bde-btn--ghost:hover {
    background: var(--bde-anthracite); color: var(--bde-text-onDark);
}
.bde-section--cta .bde-btn--ghost,
.bde-section--stack .bde-btn--ghost {
    color: var(--bde-text-onDark); border-color: var(--bde-text-onDark);
}

.bde-btn__arrow {
    display: inline-block; transition: transform .25s var(--bde-ease-out);
}
.bde-btn:hover .bde-btn__arrow { transform: translateX(4px); }

.bde-link {
    display: inline-flex; align-items: center; gap: 6px;
    font-weight: 500; font-family: var(--bde-font-display);
    color: var(--bde-primary);
    border-bottom: 1px solid var(--bde-primary);
    padding-bottom: 2px;
}
.bde-link:hover { color: var(--bde-primary-dark); border-bottom-color: var(--bde-primary-dark); }

/* ---------- 8. Hero ---------- */
.bde-hero {
    position: relative;
    padding: clamp(72px, 11vw, 140px) 0 clamp(64px, 9vw, 110px);
    overflow: hidden;
}
.bde-hero::before {
    content: ''; position: absolute; inset: 0;
    background:
        radial-gradient(circle at 90% 10%, rgba(0,99,156,.14), transparent 45%),
        radial-gradient(circle at 10% 90%, rgba(245,165,36,.10), transparent 50%);
    z-index: 0; pointer-events: none;
}
.bde-hero__inner {
    position: relative; z-index: 1;
    display: grid; grid-template-columns: minmax(0, 1fr); gap: 56px;
    align-items: center;
}
@media (min-width: 1100px) {
    .bde-hero__inner { grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr); gap: 72px; }
}

.bde-hero__content { min-width: 0; }
.bde-hero__visual  { min-width: 0; }

.bde-hero__title {
    font-size: clamp(2.2rem, 4.6vw, 4.2rem);
    line-height: 1.05; letter-spacing: -0.03em;
    margin: 0 0 1.4rem;
    max-width: 15ch;
    overflow-wrap: break-word;
    word-break: normal;
    hyphens: auto;
}
.bde-hero__lead {
    font-size: 1.15rem; color: var(--bde-text-muted);
    max-width: 50ch; margin: 0 0 2rem;
}
.bde-hero__actions {
    display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 3rem;
}
.bde-hero__metrics {
    list-style: none; padding: 0; margin: 0;
    display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
    border-top: 1px solid var(--bde-border); padding-top: 1.8rem;
}
.bde-hero__metrics li { display: flex; flex-direction: column; gap: 4px; }
.bde-hero__metrics strong {
    font-family: var(--bde-font-display); font-weight: 500;
    font-size: clamp(1.5rem, 2.5vw, 2rem); color: var(--bde-anthracite);
    letter-spacing: -0.02em;
}
.bde-hero__metrics span { font-size: 13px; color: var(--bde-text-muted); }

/* Visual / Pipeline-Schema */
.bde-hero__visual { position: relative; }
.bde-flow {
    display: flex; flex-direction: column; gap: 0;
    background: var(--bde-surface);
    border: 1px solid var(--bde-border);
    border-radius: var(--bde-radius-xl);
    padding: 32px;
    box-shadow: var(--bde-shadow-lg);
}
.bde-flow__node {
    background: var(--bde-bg-alt);
    border: 1px solid var(--bde-border-soft);
    border-radius: var(--bde-radius-md);
    padding: 18px 22px;
    display: flex; flex-direction: column; gap: 4px;
    transition: transform .3s var(--bde-ease-out), border-color .3s;
}
.bde-flow__node:hover {
    transform: translateX(4px); border-color: var(--bde-primary);
}
.bde-flow__label {
    font-family: var(--bde-font-display); font-weight: 500;
    font-size: 1.1rem; color: var(--bde-anthracite);
}
.bde-flow__node small {
    font-family: var(--bde-font-mono); font-size: 11px;
    color: var(--bde-text-muted); letter-spacing: 0.03em;
}
.bde-flow__node--etl  { background: var(--bde-primary); }
.bde-flow__node--etl .bde-flow__label { color: #fff; }
.bde-flow__node--etl small { color: rgba(255,255,255,.75); }
.bde-flow__node--lake { background: var(--bde-primary-bg); border-color: var(--bde-primary-soft); }
.bde-flow__connector {
    width: 2px; height: 28px;
    background: linear-gradient(to bottom, var(--bde-border), var(--bde-primary), var(--bde-border));
    margin: 0 auto;
    position: relative;
}
.bde-flow__connector::after {
    content: ''; position: absolute; left: -3px; top: 50%;
    width: 8px; height: 8px; border-radius: 50%;
    background: var(--bde-primary);
    animation: bde-flow 2.5s linear infinite;
}
@keyframes bde-flow {
    0%   { transform: translateY(-14px); opacity: 0; }
    20%  { opacity: 1; }
    80%  { opacity: 1; }
    100% { transform: translateY(14px); opacity: 0; }
}

/* ---------- 9. Page Header (Unterseiten) ---------- */
.bde-page-header {
    padding: clamp(60px, 8vw, 110px) 0 clamp(32px, 5vw, 60px);
    background: var(--bde-bg);
    border-bottom: 1px solid var(--bde-border);
}
.bde-page-header--hero { border-bottom: none; padding-bottom: clamp(40px, 6vw, 80px); }
.bde-page-header__title { margin: 0 0 .5em; max-width: 18ch; }
.bde-page-header__subtitle {
    font-size: 1.25rem; color: var(--bde-text-muted);
    max-width: 60ch; margin: 0 0 1em;
}
.bde-page-header__lead {
    font-size: 1.1rem; color: var(--bde-text); max-width: 60ch;
}

/* ---------- 10. Services Section ---------- */
.bde-services {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
}
.bde-service-card {
    background: var(--bde-surface);
    border: 1px solid var(--bde-border);
    border-radius: var(--bde-radius-lg);
    padding: 32px 28px;
    display: flex; flex-direction: column; gap: 12px;
    transition: transform .3s var(--bde-ease-out),
                box-shadow .3s var(--bde-ease-out),
                border-color .3s;
    position: relative;
    overflow: hidden;
}
.bde-service-card::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
    background: var(--bde-primary);
    transform: scaleX(0); transform-origin: left;
    transition: transform .35s var(--bde-ease-out);
}
.bde-service-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--bde-shadow-md);
    border-color: var(--bde-border-soft);
}
.bde-service-card:hover::before { transform: scaleX(1); }

.bde-service-card__icon {
    width: 52px; height: 52px;
    border-radius: var(--bde-radius-md);
    background: var(--bde-primary-soft);
    display: grid; place-items: center;
    color: var(--bde-primary);
    margin-bottom: 4px;
}
.bde-service-card__icon svg { width: 26px; height: 26px; }
.bde-service-card h3 { margin: 0 0 4px; }
.bde-service-card p { color: var(--bde-text-muted); margin: 0 0 8px; }

/* ---------- 11. Cases ---------- */
.bde-cases {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}
@media (min-width: 768px)  { .bde-cases { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .bde-cases { grid-template-columns: 2fr 1fr 1fr; } }

.bde-case {
    background: var(--bde-surface);
    border: 1px solid var(--bde-border);
    border-radius: var(--bde-radius-lg);
    padding: 28px 28px 24px;
    display: flex; flex-direction: column; gap: 10px;
    transition: transform .3s var(--bde-ease-out), border-color .3s;
}
.bde-case:hover { transform: translateY(-3px); border-color: var(--bde-primary); }
.bde-case--feature { background: var(--bde-primary); color: var(--bde-text-onDark); border: none; }
.bde-case--feature h3 { color: var(--bde-text-onDark); font-size: 1.4rem; }

.bde-case__sector {
    font-family: var(--bde-font-mono); font-size: 11px;
    letter-spacing: 0.14em; text-transform: uppercase;
    color: var(--bde-text-muted); margin: 0;
}
.bde-case--feature .bde-case__sector { color: var(--bde-accent); }
.bde-case h3 { margin: 0; font-size: 1.15rem; }
.bde-case p  { color: var(--bde-text-muted); font-size: .95rem; margin: 0; }
.bde-case--feature p { color: rgba(250,250,247,.85); }
.bde-case__tags {
    list-style: none; padding: 0; margin: 8px 0 0;
    display: flex; flex-wrap: wrap; gap: 6px;
}
.bde-case__tags li {
    font-family: var(--bde-font-mono); font-size: 11px;
    padding: 4px 10px; border-radius: 999px;
    background: var(--bde-bg-alt); color: var(--bde-anthracite-soft);
}
.bde-case--feature .bde-case__tags li {
    background: rgba(255,255,255,.15); color: #fff;
}

/* ---------- 12. Tech Stack ---------- */
.bde-stack {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 32px 40px;
}
.bde-stack__group h3 {
    font-size: 1rem; color: var(--bde-accent);
    font-family: var(--bde-font-mono); font-weight: 500;
    letter-spacing: 0.04em; text-transform: uppercase;
    margin: 0 0 1rem; padding-bottom: 8px;
    border-bottom: 1px solid rgba(250,250,247,.12);
}
.bde-stack__group ul {
    list-style: none; padding: 0; margin: 0;
    display: flex; flex-direction: column; gap: 6px;
}
.bde-stack__group li {
    font-size: .95rem; color: rgba(250,250,247,.85);
    padding-left: 18px; position: relative;
}
.bde-stack__group li::before {
    content: ''; position: absolute; left: 0; top: .6em;
    width: 8px; height: 1px; background: var(--bde-accent);
}

/* ---------- 13. CTA Section ---------- */
.bde-cta {
    display: flex; flex-wrap: wrap;
    align-items: center; justify-content: space-between;
    gap: 2rem;
    padding: 16px 0;
}
.bde-cta__content h2 {
    margin: 0 0 .4em;
    font-size: clamp(1.6rem, 2.6vw, 2.4rem);
}
.bde-cta__content p { margin: 0; color: rgba(250,250,247,.75); font-size: 1.1rem; }

.bde-section--cta .bde-btn--primary {
    background: var(--bde-accent); color: var(--bde-anthracite);
    border-color: var(--bde-accent);
}
.bde-section--cta .bde-btn--primary:hover {
    background: #fff; color: var(--bde-anthracite);
    border-color: #fff;
}

/* ---------- 14. Contact Card ---------- */
.bde-contact-card {
    background: var(--bde-primary); color: var(--bde-text-onDark);
    padding: 36px 32px;
    border-radius: var(--bde-radius-lg);
    height: fit-content; position: sticky; top: 100px;
}
.bde-contact-card__title { color: var(--bde-accent); margin: 0 0 1.2em; font-size: 1.2rem; }
.bde-contact-card__list { margin: 0; }
.bde-contact-card__list dt {
    font-family: var(--bde-font-mono); font-size: 11px;
    letter-spacing: 0.14em; text-transform: uppercase;
    color: rgba(250,250,247,.65); margin-top: 1rem;
}
.bde-contact-card__list dt:first-of-type { margin-top: 0; }
.bde-contact-card__list dd {
    margin: 4px 0 0; line-height: 1.6;
}
.bde-contact-card__list a { color: var(--bde-accent); }
.bde-contact-card__list a:hover { color: var(--bde-text-onDark); }

/* ---------- 15. Footer ---------- */
.bde-footer {
    background: var(--bde-anthracite); color: var(--bde-text-onDark);
    padding: 80px 0 32px;
}
.bde-footer a { color: rgba(250,250,247,.75); }
.bde-footer a:hover { color: var(--bde-accent); }

.bde-footer__top {
    display: grid; gap: 48px;
    grid-template-columns: 1fr;
    padding-bottom: 56px;
    border-bottom: 1px solid rgba(250,250,247,.1);
}
@media (min-width: 768px)  { .bde-footer__top { grid-template-columns: 1.4fr 1fr 1fr 1fr; } }

.bde-logo--footer .bde-logo__mark {
    background: var(--bde-primary); color: #fff;
}
.bde-logo--footer .bde-logo__name { color: var(--bde-text-onDark); }
.bde-logo--footer .bde-logo__claim { color: rgba(250,250,247,.5); }

.bde-footer__tagline {
    margin: 1.5rem 0 0; color: rgba(250,250,247,.6);
    font-size: .95rem; max-width: 40ch;
}
.bde-footer__heading {
    font-family: var(--bde-font-mono); font-size: 12px;
    letter-spacing: 0.14em; text-transform: uppercase;
    color: var(--bde-accent); margin: 0 0 1.2rem;
    font-weight: 500;
}
.bde-footer__list,
.bde-footer__social {
    list-style: none; padding: 0; margin: 0;
    display: flex; flex-direction: column; gap: 10px;
}
.bde-footer__address { font-style: normal; line-height: 1.7; color: rgba(250,250,247,.75); }

.bde-footer__bottom {
    display: flex; flex-wrap: wrap; justify-content: space-between;
    gap: 16px; padding-top: 28px;
    font-size: .85rem; color: rgba(250,250,247,.5);
}
.bde-footer__meta {
    list-style: none; padding: 0; margin: 0;
    display: flex; gap: 24px;
}

/* ---------- 16. Prose (Impressum / Datenschutz) ---------- */
.bde-prose {
    max-width: var(--bde-container-sm);
    margin: 0 auto;
    font-size: 1.05rem;
}
.bde-prose h2 { margin-top: 2.2em; padding-bottom: .4em; border-bottom: 1px solid var(--bde-border); }
.bde-prose h3 { margin-top: 1.8em; }
.bde-prose ul, .bde-prose ol { padding-left: 1.5em; }
.bde-prose li { margin: .4em 0; }
.bde-prose a { color: var(--bde-primary); border-bottom: 1px solid var(--bde-primary); }
.bde-prose a:hover { color: var(--bde-primary-dark); border-bottom-color: var(--bde-primary-dark); }

/* ---------- 17. Content-Element Anpassungen (fluid_styled_content) ---------- */
.frame { padding: 0; margin: 0 0 2rem; }
.frame-default { background: transparent; }
.frame-type-image .image,
.frame-type-textmedia .image { border-radius: var(--bde-radius-md); overflow: hidden; }

.frame-type-bullets ul { padding-left: 1.4em; }
.frame-type-bullets li { margin: .35em 0; }

/* Buttons aus dem RTE */
.bde-prose a.btn,
.frame a.btn {
    display: inline-flex; align-items: center; gap: 10px;
    padding: 12px 22px; border-radius: var(--bde-radius-sm);
    background: var(--bde-primary); color: var(--bde-text-onDark);
    border-bottom: none; font-weight: 500;
}
.bde-prose a.btn:hover,
.frame a.btn:hover { background: var(--bde-primary-dark); color: var(--bde-text-onDark); }

/* ---------- 18. Accessibility / Focus ---------- */
:focus-visible {
    outline: 2px solid var(--bde-primary);
    outline-offset: 3px;
    border-radius: 2px;
}

/* ---------- 19. Reduce Motion ---------- */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: .01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: .01ms !important;
        scroll-behavior: auto !important;
    }
}

/* ---------- 20. Print ---------- */
@media print {
    .bde-header, .bde-footer, .bde-nav, .bde-btn { display: none !important; }
    body { background: #fff; color: #000; }
    .bde-section { padding: 1rem 0; }
}

/* ============================================================
   21. EXT:form – Kontaktformular im BDE-Design
   ============================================================ */

/* Wrapper – EXT:form rendert ein <form class="..."> */
form[id^="bde-contact"],
.tx-form form {
    display: flex;
    flex-direction: column;
    gap: 1.4rem;
    max-width: 100%;
}

/* Bootstrap-artige form-group / clearfix vom Core wegräumen */
.tx-form .form-group,
.tx-form .clearfix {
    display: flex;
    flex-direction: column;
    gap: .5rem;
    margin: 0;
}

/* Grid-Row (mehrere Felder nebeneinander) */
.tx-form .form-group .form-group,
.tx-form .row {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 1.2rem;
}
.tx-form .col,
.tx-form [class^="col-"],
.tx-form [class*=" col-"] {
    flex: 1 1 240px;
    min-width: 0;
}

/* Labels */
.tx-form label,
.tx-form .control-label {
    display: block;
    font-family: var(--bde-font-display);
    font-size: 14px;
    font-weight: 500;
    color: var(--bde-anthracite);
    margin: 0 0 .4em;
    letter-spacing: -0.005em;
}

/* Pflichtfeld-Markierung */
.tx-form label.required::after,
.tx-form .control-label.required::after {
    content: ' *';
    color: var(--bde-primary);
    font-weight: 500;
}

/* Eingabefelder */
.tx-form input[type="text"],
.tx-form input[type="email"],
.tx-form input[type="tel"],
.tx-form input[type="url"],
.tx-form input[type="number"],
.tx-form input[type="password"],
.tx-form input[type="date"],
.tx-form select,
.tx-form textarea,
.tx-form .form-control {
    width: 100%;
    padding: 14px 16px;
    background: var(--bde-surface);
    border: 1px solid var(--bde-border);
    border-radius: var(--bde-radius-sm);
    font-family: var(--bde-font-body);
    font-size: 16px;
    line-height: 1.5;
    color: var(--bde-text);
    transition: border-color .2s var(--bde-ease),
                box-shadow .2s var(--bde-ease),
                background .2s var(--bde-ease);
    appearance: none;
    -webkit-appearance: none;
}

.tx-form input:hover,
.tx-form select:hover,
.tx-form textarea:hover { border-color: var(--bde-anthracite-muted); }

.tx-form input:focus,
.tx-form select:focus,
.tx-form textarea:focus {
    outline: none;
    border-color: var(--bde-primary);
    box-shadow: 0 0 0 4px rgba(0,99,156,.18);
    background: var(--bde-surface);
}

.tx-form textarea {
    min-height: 140px;
    resize: vertical;
    font-family: var(--bde-font-body);
}

/* Select-Pfeil */
.tx-form select {
    background-image: url("data:image/svg+xml;charset=US-ASCII,%3Csvg%20xmlns%3D%22http%3A//www.w3.org/2000/svg%22%20viewBox%3D%220%200%2024%2024%22%20fill%3D%22none%22%20stroke%3D%22%231a1d1f%22%20stroke-width%3D%222%22%3E%3Cpath%20d%3D%22M6%209l6%206%206-6%22/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    background-size: 18px;
    padding-right: 44px;
}

/* Placeholder */
.tx-form ::placeholder { color: var(--bde-text-subtle); opacity: 1; }

/* Checkbox + Radio */
.tx-form .checkbox,
.tx-form .radio,
.tx-form .form-check {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 0;
    margin: 0;
}
.tx-form .checkbox label,
.tx-form .radio label,
.tx-form .form-check label {
    font-family: var(--bde-font-body);
    font-weight: 400;
    font-size: 15px;
    color: var(--bde-text);
    line-height: 1.55;
    margin: 0;
    cursor: pointer;
}
.tx-form .checkbox label a,
.tx-form .form-check label a {
    color: var(--bde-anthracite);
    border-bottom: 1px solid var(--bde-lime);
}

.tx-form input[type="checkbox"],
.tx-form input[type="radio"] {
    appearance: none;
    -webkit-appearance: none;
    width: 22px;
    height: 22px;
    margin: 1px 0 0;
    flex-shrink: 0;
    background: var(--bde-surface);
    border: 1.5px solid var(--bde-border);
    border-radius: 4px;
    cursor: pointer;
    transition: all .2s var(--bde-ease);
    position: relative;
}
.tx-form input[type="radio"] { border-radius: 50%; }
.tx-form input[type="checkbox"]:hover,
.tx-form input[type="radio"]:hover { border-color: var(--bde-anthracite-muted); }

.tx-form input[type="checkbox"]:checked {
    background: var(--bde-primary);
    border-color: var(--bde-primary);
}
.tx-form input[type="checkbox"]:checked::after {
    content: '';
    position: absolute;
    inset: 0;
    background-image: url("data:image/svg+xml;charset=US-ASCII,%3Csvg%20xmlns%3D%22http%3A//www.w3.org/2000/svg%22%20viewBox%3D%220%200%2024%2024%22%20fill%3D%22none%22%20stroke%3D%22%23ffffff%22%20stroke-width%3D%223%22%20stroke-linecap%3D%22round%22%20stroke-linejoin%3D%22round%22%3E%3Cpath%20d%3D%22M5%2012l5%205L20%207%22/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: center;
    background-size: 14px;
}
.tx-form input[type="radio"]:checked {
    border-color: var(--bde-primary);
    border-width: 6px;
    background: #ffffff;
}

.tx-form input[type="checkbox"]:focus-visible,
.tx-form input[type="radio"]:focus-visible {
    outline: none;
    box-shadow: 0 0 0 4px rgba(0,99,156,.22);
}

/* File-Upload */
.tx-form input[type="file"] {
    padding: 12px;
    background: var(--bde-bg-alt);
    border: 1px dashed var(--bde-border);
    border-radius: var(--bde-radius-sm);
    font-size: 14px;
    cursor: pointer;
    width: 100%;
}
.tx-form input[type="file"]:hover {
    border-color: var(--bde-primary);
    background: var(--bde-primary-bg);
}
.tx-form input[type="file"]::file-selector-button {
    margin-right: 14px;
    padding: 8px 16px;
    background: var(--bde-primary);
    color: #ffffff;
    border: none;
    border-radius: var(--bde-radius-sm);
    font-family: var(--bde-font-display);
    font-weight: 500;
    font-size: 13px;
    cursor: pointer;
    transition: background .2s var(--bde-ease);
}
.tx-form input[type="file"]::file-selector-button:hover {
    background: var(--bde-primary-dark);
    color: #ffffff;
}

/* Help-Text / Beschreibungen */
.tx-form .help-block,
.tx-form .help-text,
.tx-form small {
    display: block;
    font-size: 13px;
    color: var(--bde-text-muted);
    margin-top: 6px;
}

/* Validierungsfehler */
.tx-form .has-error input,
.tx-form .has-error select,
.tx-form .has-error textarea,
.tx-form .is-invalid {
    border-color: #c0392b;
    background: #fef5f3;
}
.tx-form .has-error input:focus,
.tx-form .has-error select:focus,
.tx-form .has-error textarea:focus {
    box-shadow: 0 0 0 4px rgba(192,57,43,.18);
}
.tx-form .help-block.error,
.tx-form .invalid-feedback,
.tx-form .error {
    color: #c0392b;
    font-size: 13px;
    margin-top: 6px;
    font-weight: 500;
}
.tx-form .help-block.error::before,
.tx-form .invalid-feedback::before {
    content: '⚠';
    margin-right: 6px;
}

/* Submit-Button */
.tx-form .actions,
.tx-form .form-navigation {
    display: flex;
    gap: 12px;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--bde-border);
}
.tx-form button[type="submit"],
.tx-form input[type="submit"],
.tx-form .btn,
.tx-form .btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 28px;
    background: var(--bde-primary);
    color: #ffffff;
    border: 1px solid var(--bde-primary);
    border-radius: var(--bde-radius-sm);
    font-family: var(--bde-font-display);
    font-size: 15px;
    font-weight: 500;
    line-height: 1;
    cursor: pointer;
    transition: background .2s var(--bde-ease),
                color .2s var(--bde-ease),
                transform .15s var(--bde-ease);
}
.tx-form button[type="submit"]::after,
.tx-form input[type="submit"]::after {
    content: '→';
    transition: transform .2s var(--bde-ease-out);
    margin-left: 4px;
}
.tx-form button[type="submit"]:hover,
.tx-form input[type="submit"]:hover,
.tx-form .btn-primary:hover {
    background: var(--bde-primary-dark);
    color: #ffffff;
    border-color: var(--bde-primary-dark);
}
.tx-form button[type="submit"]:hover::after,
.tx-form input[type="submit"]:hover::after {
    transform: translateX(4px);
}
.tx-form button[type="submit"]:active,
.tx-form input[type="submit"]:active { transform: scale(.98); }

/* Honeypot wirklich verstecken */
.tx-form .input-honeypot,
.tx-form [class*="honeypot"] {
    position: absolute !important;
    left: -10000px !important;
    width: 1px !important;
    height: 1px !important;
    overflow: hidden !important;
    opacity: 0 !important;
    pointer-events: none !important;
}

/* Erfolgsmeldung */
.tx-form .alert-success,
.tx-form .form-message-success {
    background: var(--bde-primary-bg);
    border: 1px solid var(--bde-primary);
    color: var(--bde-primary-dark);
    padding: 20px 24px;
    border-radius: var(--bde-radius-md);
    font-size: 16px;
}
.tx-form .alert-danger,
.tx-form .form-message-error {
    background: #fef5f3;
    border: 1px solid #c0392b;
    color: #c0392b;
    padding: 20px 24px;
    border-radius: var(--bde-radius-md);
    font-size: 15px;
}