:root {
    --spfx-cyan: var(--cyan, #009fe3);
    --spfx-cyan-light: var(--cyan-light, var(--cyan2, #28b8f5));
    --spfx-warm: #ff8a3d;
    --spfx-accent-rgb: 0, 159, 227;
    --spfx-light-rgb: 40, 184, 245;
    --spfx-line: rgba(128, 220, 255, 0.34);
    --spfx-shadow: 0 26px 70px rgba(0, 15, 25, 0.42);
    --spfx-ease: cubic-bezier(0.2, 0.75, 0.25, 1);
}

html.spfx-warm-theme {
    --spfx-cyan: #f97316;
    --spfx-cyan-light: #fb923c;
    --spfx-accent-rgb: 249, 115, 22;
    --spfx-light-rgb: 251, 146, 60;
    --spfx-line: rgba(251, 146, 60, 0.4);
}

html.spfx-gold-theme {
    --spfx-cyan: #c5a059;
    --spfx-cyan-light: #ead096;
    --spfx-accent-rgb: 197, 160, 89;
    --spfx-light-rgb: 234, 208, 150;
    --spfx-line: rgba(234, 208, 150, 0.4);
}

html.spfx-ready { scroll-behavior: smooth; }

/* Premium cards: lift, depth and a restrained pointer tilt. */
.spfx-interactive {
    --spfx-rx: 0deg;
    --spfx-ry: 0deg;
    position: relative;
    transform: translateZ(0);
    transform-style: preserve-3d;
    backface-visibility: hidden;
    border-color: rgba(215, 234, 243, 0.15);
    transition:
        transform 360ms var(--spfx-ease),
        border-color 300ms ease,
        box-shadow 360ms var(--spfx-ease),
        filter 300ms ease;
}

.spfx-interactive img {
    transition: transform 650ms var(--spfx-ease), filter 500ms ease;
    transform-origin: center;
}

.spfx-interactive :where(.icon, .calc-icon, .benefit-check, .play-badge, .step-number, .package-badge) {
    transition: transform 360ms var(--spfx-ease), filter 360ms ease, box-shadow 360ms ease;
}

@media (hover: hover) and (pointer: fine) {
    .spfx-interactive:hover {
        z-index: 3;
        transform: perspective(1100px) translate3d(0, -8px, 0) rotateX(var(--spfx-rx)) rotateY(var(--spfx-ry));
        border-color: var(--spfx-line);
        box-shadow: var(--spfx-shadow), 0 0 0 1px rgba(40, 184, 245, 0.11);
        filter: saturate(1.035);
    }

    .spfx-interactive:hover img {
        transform: scale(1.035);
        filter: saturate(1.08) contrast(1.03) brightness(1.035);
    }

    .spfx-interactive:hover :where(.icon, .calc-icon, .benefit-check, .play-badge, .step-number, .package-badge) {
        transform: translateY(-3px) scale(1.055);
        filter: drop-shadow(0 9px 18px rgba(var(--spfx-accent-rgb), 0.28));
    }
}

/* Buttons receive a light sweep without changing labels or click behavior. */
.spfx-button {
    position: relative !important;
    isolation: isolate;
    overflow: hidden;
    transition:
        transform 260ms var(--spfx-ease),
        box-shadow 300ms ease,
        border-color 300ms ease,
        filter 300ms ease !important;
}

.spfx-button > .spfx-shine {
    position: absolute;
    inset: -60% -40%;
    z-index: 2;
    pointer-events: none;
    background: linear-gradient(110deg, transparent 37%, rgba(255, 255, 255, 0.42) 49%, transparent 61%);
    transform: translateX(-115%) skewX(-12deg);
    transition: transform 720ms var(--spfx-ease);
}

@media (hover: hover) and (pointer: fine) {
    .spfx-button:hover {
        transform: translateY(-3px) scale(1.012) !important;
        border-color: rgba(var(--spfx-light-rgb), 0.64) !important;
        box-shadow: 0 16px 38px rgba(var(--spfx-accent-rgb), 0.27);
        filter: brightness(1.06);
    }

    .spfx-button:hover > .spfx-shine { transform: translateX(115%) skewX(-12deg); }
}

/* Navigation and brand details. */
.spfx-ready :where(.brand img, .logo img, #navbar img) {
    transition: transform 380ms var(--spfx-ease), filter 380ms ease, box-shadow 380ms ease;
}

@media (hover: hover) and (pointer: fine) {
    .spfx-ready :where(.brand, .logo, #navbar a):hover img {
        transform: translateY(-2px) scale(1.045) rotate(-1deg);
        filter: drop-shadow(0 10px 24px rgba(var(--spfx-accent-rgb), 0.38));
    }

    .spfx-ready :where(.nav-links a, .footer-links a, .breadcrumb a, .langs a):hover {
        text-shadow: 0 0 18px rgba(var(--spfx-light-rgb), 0.42);
    }
}

.spfx-scrolled :where(.topbar, #navbar) {
    box-shadow: 0 16px 42px rgba(0, 12, 20, 0.3);
    border-color: rgba(var(--spfx-light-rgb), 0.2) !important;
}

/* Media and video controls feel more tactile. */
.spfx-ready :where(.video-open, .thumb, .gallery-file, .portfolio-item, .package-image) {
    transition: transform 360ms var(--spfx-ease), border-color 300ms ease, box-shadow 360ms ease;
}

@media (hover: hover) and (pointer: fine) {
    .spfx-ready :where(.video-open, .thumb, .gallery-file):hover {
        transform: translateY(-4px);
        border-color: rgba(var(--spfx-light-rgb), 0.58);
        box-shadow: 0 20px 48px rgba(0, 18, 29, 0.34);
    }
}

/* Form focus states are clearer but the form contract stays untouched. */
.spfx-ready :where(input, select, textarea):not([type="checkbox"]):not([type="radio"]) {
    transition: border-color 220ms ease, box-shadow 220ms ease, background-color 220ms ease, transform 220ms ease;
}

.spfx-ready :where(input, select, textarea):not([type="checkbox"]):not([type="radio"]):focus {
    border-color: var(--spfx-cyan-light) !important;
    box-shadow: 0 0 0 4px rgba(var(--spfx-light-rgb), 0.13), 0 10px 28px rgba(0, 16, 27, 0.18);
    transform: translateY(-1px);
    outline: none;
}

.spfx-ready details {
    transition: border-color 280ms ease, background-color 280ms ease, box-shadow 320ms ease, transform 320ms var(--spfx-ease);
}

.spfx-ready details[open] {
    border-color: rgba(var(--spfx-light-rgb), 0.38) !important;
    box-shadow: 0 18px 42px rgba(0, 16, 27, 0.24);
}

/* Scroll reveals are enabled only after JavaScript is ready, avoiding blank content. */
.spfx-ready .spfx-reveal {
    opacity: 0;
    transform: translate3d(0, 24px, 0) scale(0.992);
    filter: blur(2px);
    transition:
        opacity 700ms var(--spfx-ease) var(--spfx-delay, 0ms),
        transform 760ms var(--spfx-ease) var(--spfx-delay, 0ms),
        filter 620ms ease var(--spfx-delay, 0ms);
}

.spfx-ready .spfx-reveal.spfx-visible {
    opacity: 1;
    transform: translate3d(0, 0, 0) scale(1);
    filter: blur(0);
}

.spfx-ready :where(.eyebrow, .section-kicker, .product-video-kicker) {
    transition: color 300ms ease, text-shadow 300ms ease, letter-spacing 300ms ease;
}

@media (hover: hover) and (pointer: fine) {
    .spfx-ready :where(.eyebrow, .section-kicker, .product-video-kicker):hover {
        text-shadow: 0 0 22px rgba(var(--spfx-light-rgb), 0.5);
        letter-spacing: 0.02em;
    }
}

@media (max-width: 700px) {
    .spfx-interactive { transform: none; }
    .spfx-ready .spfx-reveal { transform: translate3d(0, 16px, 0); }
}

@media (prefers-reduced-motion: reduce) {
    html.spfx-ready { scroll-behavior: auto; }
    .spfx-interactive,
    .spfx-interactive img,
    .spfx-button,
    .spfx-button > .spfx-shine,
    .spfx-ready .spfx-reveal,
    .spfx-ready :where(.brand img, .logo img, #navbar img) {
        transition: none !important;
        animation: none !important;
        transform: none !important;
        filter: none !important;
    }
    .spfx-ready .spfx-reveal { opacity: 1 !important; }
}

/* Sichtbare Premium-Aufwertung – bereits ohne Mouseover erkennbar. */
.spfx-ready :where(.topbar, #navbar) {
    border-bottom-color: rgba(var(--spfx-light-rgb), 0.26) !important;
    background-image: linear-gradient(115deg, rgba(var(--spfx-accent-rgb), 0.08), transparent 34%, rgba(var(--spfx-light-rgb), 0.055));
    box-shadow: 0 14px 44px rgba(0, 14, 24, 0.28), inset 0 -1px 0 rgba(var(--spfx-light-rgb), 0.08);
}

.spfx-ready :where(.hero h1, .section-head h2, .section-heading h2, .section-title) {
    text-shadow: 0 12px 42px rgba(0, 7, 13, 0.32);
}

.spfx-ready :where(.hero h1 .cyan, .hero h1 > span, .section-heading h2 > span) {
    color: var(--spfx-cyan-light);
    background: linear-gradient(105deg, var(--spfx-cyan-light), #f4fdff 48%, var(--spfx-cyan-light));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    filter: drop-shadow(0 8px 24px rgba(var(--spfx-accent-rgb), 0.22));
}

.spfx-ready :where(.eyebrow, .section-kicker, .product-video-kicker) {
    padding: 7px 11px;
    border: 1px solid rgba(var(--spfx-light-rgb), 0.24);
    border-radius: 999px;
    background: linear-gradient(120deg, rgba(var(--spfx-accent-rgb), 0.12), rgba(255, 255, 255, 0.035));
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.07), 0 10px 26px rgba(0, 10, 18, 0.16);
}

.spfx-ready .spfx-interactive {
    border-color: rgba(var(--spfx-light-rgb), 0.22);
    box-shadow: 0 22px 58px rgba(0, 13, 23, 0.25), inset 0 1px 0 rgba(255, 255, 255, 0.055);
    filter: saturate(1.035);
}

.spfx-ready .spfx-button {
    box-shadow: 0 14px 34px rgba(var(--spfx-accent-rgb), 0.2), inset 0 1px 0 rgba(255, 255, 255, 0.18);
}

.spfx-ready :where(.icon, .calc-icon, .benefit-check, .play-badge, .step-number, .package-badge) {
    box-shadow: 0 10px 28px rgba(var(--spfx-accent-rgb), 0.18), inset 0 1px 0 rgba(255, 255, 255, 0.13);
}