/* =====================================================================
   IT-Bernau · 3D-/Parallax-Ebene (Vorschau) — gehört zu assets/js/fx3d.js
   ===================================================================== */

/* ---------- Scroll-Container reparieren ----------
   bootstrap.min.css setzt html, body { height:100% }; zusammen mit
   overflow-x auf body scrollt sonst der body statt des Fensters –
   window.scroll feuert nie, Anker/Parallaxe/Lenis laufen ins Leere. */
html, body { height: auto; }
body { overflow-x: clip; }

/* ---------- Hero ---------- */
.fx-canvas {
    position: absolute; inset: 0; z-index: -2;
    width: 100%; height: 100%;
    display: block; pointer-events: none;
}
/* Unterseiten: Gang als ruhiger Dauerflug hinter dem Text */
.fx-hero--3d .hero-bg, .fx-hero--3d .hero-blob { display: none; }
.fx-hero--3d::before {
    background: linear-gradient(100deg, rgba(2, 12, 22, .9) 0%, rgba(2, 14, 26, .72) 40%, rgba(2, 14, 26, .15) 75%, rgba(2, 14, 26, 0) 100%);
}
.fx-hero .hero-inner { perspective: 1200px; }
.fx-hero:not(.fx-hero--flug) .hero-inner .col-lg-9,
.fx-hero:not(.fx-hero--flug) .hero-inner .col-xl-8 {
    transform: translate3d(0, calc(var(--fx-p, 0) * -90px), 0);
    opacity: calc(1 - var(--fx-p, 0) * 1.25);
}

/* Startseite: gepinnte Bühne, Scrollen = Flug durch den Gang */
.fx-hero--flug { height: 320vh; overflow: clip; }
.fx-hero--flug::before { display: none; }
@media (max-width: 767.98px) { .fx-hero--flug { height: 260vh; } }
.fx-buehne {
    position: sticky; top: 0;
    /* lvh: iOS-Safari legt die Seite hinter die schwebenden Leisten – svh ließ unten einen leeren Streifen */
    height: 100vh; height: 100lvh;
    overflow: hidden; isolation: isolate;
    display: flex; align-items: center;
}
.fx-buehne::before {
    /* Lesbarkeit des Einstiegstexts, verschwindet mit dem Losfliegen */
    content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none;
    background: linear-gradient(100deg, rgba(2, 12, 22, .88) 0%, rgba(2, 14, 26, .55) 45%, rgba(2, 14, 26, 0) 75%);
    opacity: calc(1 - var(--fx-p, 0) * 9);
}
.fx-buehne .fx-canvas { z-index: -2; }
.fx-buehne > .hero-inner { width: 100%; padding-top: 5rem; padding-bottom: 3rem; }
.fx-hero--flug .hero-inner .col-lg-7 {
    transform: translate3d(calc(var(--fx-p, 0) * -500px), 0, 0);
    opacity: calc(1 - var(--fx-p, 0) * 9);
    filter: blur(calc(var(--fx-p, 0) * 40px));
}
.fx-hero--flug.fx-weg .hero-inner { pointer-events: none; }

/* Kapitel, die während des Flugs einblenden */
.fx-kapitel-feld { position: absolute; inset: 0; pointer-events: none; display: grid; place-items: center; }
.fx-kapitel {
    grid-area: 1 / 1; text-align: center; padding: 0 1.5rem;
    opacity: 0; will-change: transform, opacity;
}
.fx-kapitel__nr {
    display: inline-block; margin-bottom: .9rem;
    font-weight: 700; letter-spacing: .3em; font-size: .8rem; color: #8fd3ff;
}
.fx-kapitel__nr i { font-style: normal; opacity: .5; }
.fx-hero .fx-kapitel__titel {
    max-width: none; margin: 0; color: #fff; font-weight: 800; line-height: 1.02;
    font-size: clamp(2.4rem, 7.5vw, 6.2rem); letter-spacing: -.02em; overflow-wrap: normal;
    text-shadow: 0 0 40px rgba(9, 162, 255, .55), 0 4px 30px rgba(0, 0, 0, .6);
}
.fx-hero .fx-kapitel__satz {
    max-width: none; margin: 1rem auto 0; line-height: 1.5; color: rgba(225, 242, 255, .88);
    font-size: clamp(1.05rem, 2vw, 1.45rem); text-shadow: 0 2px 18px rgba(0, 0, 0, .7);
}

/* Scroll-Hinweis */
.fx-hinweis {
    position: absolute; left: 50%; bottom: 1.6rem; transform: translateX(-50%);
    display: flex; flex-direction: column; align-items: center; gap: .55rem;
    color: rgba(255, 255, 255, .75); font-size: .72rem; letter-spacing: .2em; text-transform: uppercase;
    pointer-events: none; white-space: nowrap;
}
.fx-hinweis__maus {
    width: 22px; height: 34px; border: 2px solid rgba(255, 255, 255, .6); border-radius: 12px; position: relative;
}
.fx-hinweis__maus::after {
    content: ""; position: absolute; left: 50%; top: 6px; width: 3px; height: 7px; margin-left: -1.5px;
    border-radius: 2px; background: #8fd3ff; animation: fxRad 1.6s ease-in-out infinite;
}
@keyframes fxRad { 0% { transform: translateY(0); opacity: 1; } 100% { transform: translateY(12px); opacity: 0; } }

/* Blitz beim Durchfliegen der Firewall, Licht am Ende */
.fx-blitz {
    position: absolute; inset: 0; pointer-events: none; opacity: 0;
    background: radial-gradient(ellipse at center, rgba(170, 225, 255, .75), rgba(9, 162, 255, .25) 60%, transparent);
}
.fx-blitz.an { animation: fxBlitz .7s ease-out; }
@keyframes fxBlitz { 0% { opacity: 1; } 100% { opacity: 0; } }
.fx-licht { position: absolute; inset: 0; pointer-events: none; opacity: 0; background: var(--it-bg); }

/* Logo-Glasplatte als schwebende 3D-Karte */
.fx-hero .hero-logo-plate {
    --rx: 0deg; --ry: 0deg; --gx: 50%; --gy: 50%;
    transform-style: preserve-3d;
    transform:
        translate3d(0, calc(var(--fx-p, 0) * -160px), 0)
        rotateX(calc(var(--rx) + var(--fx-p, 0) * 28deg))
        rotateY(var(--ry));
    transition: transform .5s cubic-bezier(.22, 1, .36, 1);
    animation: heroPlateIn .8s cubic-bezier(.22,1,.36,1) both, fxSchweben 7s ease-in-out 1s infinite;
    background: rgba(6, 20, 34, .2);
    backdrop-filter: saturate(170%) blur(7px);
    -webkit-backdrop-filter: saturate(170%) blur(7px);
    box-shadow:
        0 50px 90px -30px rgba(0, 0, 0, .75),
        0 0 0 1px rgba(170, 220, 255, .10),
        0 0 60px -10px rgba(9, 162, 255, .35),
        inset 0 1px 0 rgba(255, 255, 255, .12);
}
.fx-hero .hero-logo-plate img { transform: translateZ(60px); }
.fx-hero .hero-logo-plate::after {
    /* Ecken-Markierungen wie ein Bildschirm-Fokus */
    content: ""; position: absolute; inset: 14px; pointer-events: none;
    border-radius: calc(var(--bs-border-radius-lg) - 8px);
    background:
        linear-gradient(#46b8ff, #46b8ff) top left / 22px 2px no-repeat,
        linear-gradient(#46b8ff, #46b8ff) top left / 2px 22px no-repeat,
        linear-gradient(#46b8ff, #46b8ff) bottom right / 22px 2px no-repeat,
        linear-gradient(#46b8ff, #46b8ff) bottom right / 2px 22px no-repeat;
    opacity: .7; transform: translateZ(30px);
}
@keyframes fxSchweben {
    0%, 100% { translate: 0 0; }
    50% { translate: 0 -12px; }
}

/* ---------- Glanzlicht (Karten + Logo-Platte) ---------- */
.fx-glare {
    position: absolute; inset: 0; border-radius: inherit; pointer-events: none;
    background: radial-gradient(circle at var(--gx, 50%) var(--gy, 50%), rgba(255, 255, 255, .22), transparent 55%);
    opacity: 0; transition: opacity .35s ease;
    mix-blend-mode: soft-light;
}
.hero-logo-plate:hover .fx-glare,
.fx-tilt.fx-aktiv .fx-glare { opacity: 1; }
[data-bs-theme="dark"] .fx-glare { mix-blend-mode: screen; background: radial-gradient(circle at var(--gx, 50%) var(--gy, 50%), rgba(120, 200, 255, .16), transparent 55%); }

/* ---------- Karten: 3D-Kippen ---------- */
.fx-tilt {
    --rx: 0deg; --ry: 0deg;
    position: relative;
    transform-style: preserve-3d;
    transform: perspective(1000px) rotateX(var(--rx)) rotateY(var(--ry));
    transition: transform .6s cubic-bezier(.22, 1, .36, 1), box-shadow .3s ease, border-color .3s ease;
}
.fx-tilt.fx-aktiv {
    transform: perspective(1000px) rotateX(var(--rx)) rotateY(var(--ry)) translateZ(14px);
    transition: transform .12s linear, box-shadow .3s ease, border-color .3s ease;
}
.fx-tilt:hover { transform: perspective(1000px) rotateX(var(--rx)) rotateY(var(--ry)) translateZ(14px); }
.fx-tilt .feature-icon,
.fx-tilt .app-logo { transform: translateZ(38px); transition: transform .4s ease; }
.fx-tilt .app-head { transform: translateZ(18px); }

.fx-tilt.fx-aktiv .feature-icon {
    box-shadow: 0 18px 30px -12px rgba(var(--it-brand-rgb), .55);
}

/* ---------- Abschnitte: Tiefendeko ---------- */
.fx-sec { position: relative; isolation: isolate; overflow-x: clip; }
.fx-sec > .container { position: relative; z-index: 1; }
.fx-deko { position: absolute; inset: 0; z-index: 0; pointer-events: none; overflow: clip; }
.fx-float {
    position: absolute; display: block;
    will-change: transform;
}
.fx-cube {
    --s: 60px;
    position: relative; display: block;
    width: var(--s); height: var(--s);
    transform-style: preserve-3d;
    animation: fxDrehen var(--dauer, 20s) linear infinite var(--richtung, normal);
}
.fx-cube__f {
    position: absolute; inset: 0;
    border: 1.5px solid rgba(var(--it-brand-rgb), .45);
    background:
        linear-gradient(rgba(var(--it-brand-rgb), .10) 1px, transparent 1px) 0 0 / 25% 25%,
        linear-gradient(90deg, rgba(var(--it-brand-rgb), .10) 1px, transparent 1px) 0 0 / 25% 25%,
        rgba(var(--it-brand-rgb), .05);
    box-shadow: inset 0 0 18px rgba(var(--it-brand-rgb), .18);
}
.fx-cube__f--vorn   { transform: translateZ(calc(var(--s) / 2)); }
.fx-cube__f--hinten { transform: rotateY(180deg) translateZ(calc(var(--s) / 2)); }
.fx-cube__f--links  { transform: rotateY(-90deg) translateZ(calc(var(--s) / 2)); }
.fx-cube__f--rechts { transform: rotateY(90deg) translateZ(calc(var(--s) / 2)); }
.fx-cube__f--oben   { transform: rotateX(90deg) translateZ(calc(var(--s) / 2)); }
.fx-cube__f--unten  { transform: rotateX(-90deg) translateZ(calc(var(--s) / 2)); }
@keyframes fxDrehen {
    from { transform: rotateX(-22deg) rotateY(0deg) rotateZ(8deg); }
    to   { transform: rotateX(-22deg) rotateY(360deg) rotateZ(8deg); }
}
/* Auf dem Handy nur die großen Würfel, dezenter */
@media (max-width: 767.98px) {
    .fx-float:nth-child(n+2) { display: none; }
    .fx-cube { opacity: .6; }
}

/* Leiterbahnen, die sich beim Scrollen zeichnen */
.fx-trace {
    position: absolute; left: 0; right: 0; top: 0;
    width: 100%; height: 110px;
    fill: none; stroke: rgba(var(--it-brand-rgb), .32); stroke-width: 1.6;
    vector-effect: non-scaling-stroke;
}
.fx-trace path { vector-effect: non-scaling-stroke; transition: stroke-dashoffset .15s linear; }
.fx-trace circle { fill: rgba(var(--it-brand-rgb), .55); stroke: none; }

/* ---------- Bilder: Parallaxe + Kippen ---------- */
.fx-frame {
    --kipp: 0deg;
    transform: perspective(1200px) rotateX(var(--kipp)) rotateY(calc(var(--kipp) * -.5));
    transition: transform .2s linear;
}
.fx-par-img { will-change: transform; transform: scale(1.2); }

/* ---------- Überschriften: aus der Tiefe kippen ---------- */
.js .reveal .fx-title,
.js .fx-title.reveal {
    display: block;
    transform-origin: 50% 100%;
    transform: perspective(700px) rotateX(55deg) translateY(18px);
    opacity: 0;
    transition: transform 1s cubic-bezier(.22, 1, .36, 1) .1s, opacity .8s ease .1s;
}
.js .reveal.in .fx-title,
.js .fx-title.reveal.in { transform: none; opacity: 1; }

/* ---------- Vorschau-Kennzeichen ---------- */
.fx-vorschau {
    position: fixed; left: 14px; bottom: 14px; z-index: 2000;
    padding: .35rem .7rem; border-radius: 999px;
    font: 600 .72rem/1.2 var(--it-font-sans); letter-spacing: .06em; text-transform: uppercase;
    color: #fff; background: rgba(9, 162, 255, .92);
    box-shadow: 0 8px 20px -8px rgba(0, 0, 0, .45);
    pointer-events: none;
}

/* ---------- Bewegung reduzieren: alles still ---------- */
@media (prefers-reduced-motion: reduce) {
    .fx-cube, .fx-hero .hero-logo-plate { animation: none !important; }
    .fx-tilt, .fx-frame, .fx-hero .hero-logo-plate { transform: none !important; }
    .js .reveal .fx-title, .js .fx-title.reveal { transform: none !important; opacity: 1 !important; }
}

/* Startseite: Logo-Platte fliegt beim Losfliegen zur Seite und nach vorn */
.fx-hero--flug .hero-inner .col-lg-5 {
    transform: translate3d(calc(var(--fx-p, 0) * 700px), 0, 0) scale(calc(1 + var(--fx-p, 0) * 3));
    opacity: calc(1 - var(--fx-p, 0) * 9);
}

/* =====================================================================
   Notebook „Warum IT-Bernau?": klappt beim Scrollen auf, Terminal tippt
   --auf (0 … 1) und --ry setzt fx3d.js
   ===================================================================== */
.fx-nb-rahmen { border-color: rgba(var(--it-brand-rgb), .25); }
.fx-nb {
    --auf: 0; --ry: 0deg;
    container-type: size;
    perspective: 1500px; perspective-origin: 50% 30%;
    display: grid; place-items: center;
    overflow: hidden;
    background:
        radial-gradient(ellipse 55% 45% at 50% 42%, rgba(43, 178, 255, calc(.12 + var(--auf) * .3)), transparent 70%),
        repeating-linear-gradient(90deg, rgba(110, 200, 255, .07) 0 2px, transparent 2px 7%),
        linear-gradient(180deg, #03111f 0%, #06294a 58%, #0a4f86 100%);
}
/* Lichtstreifen wie im alten Foto, nur in Markenblau */
.fx-nb::before {
    content: ""; position: absolute; inset: 0 0 45% 0; pointer-events: none;
    background: repeating-linear-gradient(90deg,
        rgba(9, 162, 255, 0) 0 3%, rgba(9, 162, 255, .22) 4%, rgba(170, 220, 255, .10) 5%, rgba(9, 162, 255, 0) 7% 11%);
    filter: blur(6px);
    opacity: calc(.35 + var(--auf) * .5);
    mask-image: linear-gradient(180deg, transparent, #000 40%, transparent);
}
/* Tischfläche mit Spiegelung */
.fx-nb::after {
    content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 40%; pointer-events: none;
    background: linear-gradient(180deg, rgba(9, 162, 255, .08), rgba(2, 10, 20, .5));
    border-top: 1px solid rgba(140, 210, 255, .12);
}

.fx-nb__geraet {
    position: relative; z-index: 1;
    width: 64cqw; height: 40cqw;
    transform-style: preserve-3d;
    transform: translateY(-9cqh) rotateX(-22deg) rotateY(var(--ry));
    transition: transform .6s cubic-bezier(.22, 1, .36, 1);
}

/* Unterteil liegt flach und zeigt zum Betrachter */
.fx-nb__deck {
    position: absolute; left: 0; top: 100%;
    width: 100%; height: 42cqw;
    transform-origin: top center; transform: rotateX(90deg);
    border-radius: .6cqw .6cqw 2cqw 2cqw;
    background: linear-gradient(180deg, #2b3d50, #1b2836 70%, #141e29);
    box-shadow: 0 0 0 .25cqw #0e1720, 0 3cqw 6cqw rgba(0, 0, 0, .55);
}
.fx-nb__deck::before {
    /* Widerschein des Bildschirms */
    content: ""; position: absolute; inset: 0; border-radius: inherit; pointer-events: none;
    background: radial-gradient(ellipse 70% 60% at 50% 0%, rgba(43, 178, 255, calc(var(--auf) * .45)), transparent 70%);
}
.fx-nb__tasten {
    position: absolute; left: 9%; right: 9%; top: 7%; height: 44%;
    border-radius: .6cqw;
    background:
        repeating-linear-gradient(90deg, transparent 0 6.75%, rgba(70, 184, 255, calc(.06 + var(--auf) * .26)) 6.75% 7.14%),
        repeating-linear-gradient(180deg, transparent 0 18.4%, rgba(70, 184, 255, calc(.06 + var(--auf) * .26)) 18.4% 20%),
        linear-gradient(180deg, #121c27, #0c141d);
    box-shadow: inset 0 0 1.2cqw rgba(0, 0, 0, .7), 0 0 2cqw rgba(9, 162, 255, calc(var(--auf) * .25));
}
.fx-nb__pad {
    position: absolute; left: 32%; right: 32%; top: 58%; height: 33%;
    border-radius: 1cqw;
    background: linear-gradient(180deg, #314659, #233344);
    box-shadow: inset 0 0 0 .15cqw rgba(170, 220, 255, .12);
}

/* Deckel: Scharnier unten, klappt von flach (-88°) auf leicht nach hinten (+12°) */
.fx-nb__deckel {
    position: absolute; inset: 0;
    transform-origin: bottom center;
    transform: rotateX(calc(-88deg + var(--auf) * 100deg));
    transform-style: preserve-3d;
}
.fx-nb__schirm, .fx-nb__rueckseite {
    position: absolute; inset: 0;
    border-radius: 1.6cqw 1.6cqw .4cqw .4cqw;
    backface-visibility: hidden; -webkit-backface-visibility: hidden;
}
.fx-nb__schirm {
    padding: 1.8cqw 1.8cqw 2.6cqw;
    background: #04080d;
    box-shadow: 0 0 0 .25cqw #1d2a37, 0 0 5cqw rgba(9, 162, 255, calc(var(--auf) * .35));
}
.fx-nb__rueckseite {
    transform: rotateY(180deg);
    display: grid; place-items: center;
    background: linear-gradient(160deg, #3a5068, #1e2c3a 60%, #17222e);
    box-shadow: 0 0 0 .25cqw #0e1720;
}
.fx-nb__rueckseite img { width: 30%; height: auto; opacity: .5; filter: grayscale(.3) brightness(1.4); }

.fx-term {
    height: 100%; display: flex; flex-direction: column;
    border-radius: .5cqw; overflow: hidden;
    background: radial-gradient(ellipse at 50% 0%, #0b2338, #050d16 70%);
    opacity: calc(.15 + var(--auf) * .85);
}
.fx-term__leiste {
    display: flex; align-items: center; gap: .6cqw;
    padding: .8cqw 1.2cqw; background: rgba(255, 255, 255, .05);
    font: 600 1.5cqw/1 var(--it-font-sans); color: rgba(200, 230, 255, .55);
}
.fx-term__leiste i { width: 1.2cqw; height: 1.2cqw; border-radius: 50%; background: #3a4d60; }
.fx-term__leiste i:nth-child(1) { background: #ff5f57; }
.fx-term__leiste i:nth-child(2) { background: #febc2e; }
.fx-term__leiste i:nth-child(3) { background: #28c840; }
.fx-term__leiste span { margin-left: auto; margin-right: auto; padding-right: 4cqw; }
.fx-term__text {
    flex: 1; display: flex; flex-direction: column; justify-content: flex-end;
    padding: 1cqw 1.6cqw 1.4cqw; overflow: hidden;
    font: 400 2.05cqw/1.5 ui-monospace, "SF Mono", Menlo, Consolas, monospace;
    color: #cfe8ff; white-space: pre;
}
.fx-term__text .z { min-height: 1.5em; }
.fx-term__text .p { color: #2bb2ff; }
.fx-term__text .k { color: #6f8aa3; }
.fx-term__text .o { color: #5fe39a; }
.fx-term__text .w { color: #7fd0ff; }
.fx-term__cursor {
    display: inline-block; width: .6em; height: 1.1em; vertical-align: -.15em;
    background: #2bb2ff; animation: fxCursor 1s steps(1) infinite;
}
@keyframes fxCursor { 50% { opacity: 0; } }

@media (prefers-reduced-motion: reduce) {
    .fx-nb { --auf: 1 !important; }
    .fx-term__cursor { animation: none; }
}

/* =====================================================================
   Heller Modus: Rechenzentrum in Weiß/Silber (Farben in fx-rechenzentrum.js),
   hier nur Lesbarkeit der Texte darüber
   ===================================================================== */
[data-bs-theme="light"] .fx-buehne::before,
[data-bs-theme="light"] .fx-hero--3d:not(.fx-hero--flug)::before {
    background: linear-gradient(100deg, rgba(4, 34, 64, .9) 0%, rgba(6, 70, 124, .66) 42%, rgba(9, 120, 200, .12) 74%, rgba(9, 120, 200, 0) 100%);
}
[data-bs-theme="light"] .fx-kapitel__nr { color: var(--it-brand-700, #0770c4); }
[data-bs-theme="light"] .fx-hero .fx-kapitel__titel {
    color: #052a4c;
    text-shadow: 0 0 30px rgba(255, 255, 255, .95), 0 0 60px rgba(255, 255, 255, .8);
}
[data-bs-theme="light"] .fx-hero .fx-kapitel__satz { color: #1d4166; text-shadow: 0 0 20px rgba(255, 255, 255, .95); }
[data-bs-theme="light"] .fx-hinweis { color: rgba(5, 42, 76, .7); }
[data-bs-theme="light"] .fx-hinweis__maus { border-color: rgba(5, 42, 76, .5); }
[data-bs-theme="light"] .fx-hinweis__maus::after { background: var(--it-brand, #09a2ff); }
[data-bs-theme="light"] .fx-blitz { background: radial-gradient(ellipse at center, rgba(255, 255, 255, .95), rgba(170, 220, 255, .4) 60%, transparent); }
[data-bs-theme="light"] .fx-hero .hero-logo-plate {
    background: rgba(255, 255, 255, .28);
    box-shadow: 0 40px 80px -30px rgba(5, 42, 76, .45), 0 0 0 1px rgba(255, 255, 255, .6), inset 0 1px 0 rgba(255, 255, 255, .7);
}

/* Notebook im hellen Modus: silbernes Gerät, heller Raum, helles Terminal */
[data-bs-theme="light"] .fx-nb {
    background:
        radial-gradient(ellipse 55% 45% at 50% 42%, rgba(43, 178, 255, calc(.1 + var(--auf) * .22)), transparent 70%),
        repeating-linear-gradient(90deg, rgba(9, 120, 200, .05) 0 2px, transparent 2px 7%),
        linear-gradient(180deg, #ffffff 0%, #e6f1fa 58%, #cfe4f5 100%);
}
[data-bs-theme="light"] .fx-nb::before {
    background: repeating-linear-gradient(90deg,
        rgba(9, 162, 255, 0) 0 3%, rgba(9, 162, 255, .16) 4%, rgba(255, 255, 255, .6) 5%, rgba(9, 162, 255, 0) 7% 11%);
}
[data-bs-theme="light"] .fx-nb::after {
    background: linear-gradient(180deg, rgba(255, 255, 255, .55), rgba(150, 190, 225, .35));
    border-top-color: rgba(9, 120, 200, .15);
}
[data-bs-theme="light"] .fx-nb__deck {
    background: linear-gradient(180deg, #eef2f6, #d9e0e7 70%, #c9d2db);
    box-shadow: 0 0 0 .25cqw #b4bfca, 0 3cqw 6cqw rgba(30, 70, 110, .25);
}
[data-bs-theme="light"] .fx-nb__deck::before {
    background: radial-gradient(ellipse 70% 60% at 50% 0%, rgba(43, 178, 255, calc(var(--auf) * .25)), transparent 70%);
}
[data-bs-theme="light"] .fx-nb__tasten {
    background:
        repeating-linear-gradient(90deg, transparent 0 6.75%, rgba(9, 130, 210, calc(.12 + var(--auf) * .25)) 6.75% 7.14%),
        repeating-linear-gradient(180deg, transparent 0 18.4%, rgba(9, 130, 210, calc(.12 + var(--auf) * .25)) 18.4% 20%),
        linear-gradient(180deg, #f8fafc, #e8edf2);
    box-shadow: inset 0 0 1cqw rgba(60, 90, 120, .25), 0 0 2cqw rgba(9, 162, 255, calc(var(--auf) * .15));
}
[data-bs-theme="light"] .fx-nb__pad {
    background: linear-gradient(180deg, #e3e9ef, #d3dbe3);
    box-shadow: inset 0 0 0 .15cqw rgba(60, 90, 120, .15);
}
[data-bs-theme="light"] .fx-nb__schirm {
    background: #dfe5eb;
    box-shadow: 0 0 0 .25cqw #b4bfca, 0 2cqw 5cqw rgba(30, 70, 110, calc(.1 + var(--auf) * .15));
}
[data-bs-theme="light"] .fx-nb__rueckseite {
    background: linear-gradient(160deg, #f3f6f9, #dbe2e9 60%, #ccd5de);
    box-shadow: 0 0 0 .25cqw #b4bfca;
}
[data-bs-theme="light"] .fx-nb__rueckseite img { opacity: .75; filter: none; }
[data-bs-theme="light"] .fx-term { background: radial-gradient(ellipse at 50% 0%, #ffffff, #f1f6fb 70%); }
[data-bs-theme="light"] .fx-term__leiste { background: rgba(9, 60, 110, .06); color: rgba(20, 50, 80, .55); }
[data-bs-theme="light"] .fx-term__text { color: #1b3550; }
[data-bs-theme="light"] .fx-term__text .p { color: #0b7bc2; }
[data-bs-theme="light"] .fx-term__text .k { color: #7b8fa3; }
[data-bs-theme="light"] .fx-term__text .o { color: #14915a; }
[data-bs-theme="light"] .fx-term__text .w { color: #0770c4; font-weight: 600; }
[data-bs-theme="light"] .fx-term__cursor { background: #0b7bc2; }

/* Smartphone/Tablet: Logo-Platte im Flug-Hero ausblenden (Logo steht in der Navigation),
   sonst ist der Einstieg höher als der Bildschirm und wird oben und unten abgeschnitten */
@media (max-width: 991.98px) {
    .fx-hero--flug .hero-inner .col-lg-5 { display: none; }
    .fx-buehne > .hero-inner { padding-top: 4.5rem; padding-bottom: calc(5.5rem + 100lvh - 100svh); }
    .fx-hinweis { bottom: calc(1.2rem + 100lvh - 100svh); }
}