:root {
    --brand-500: #22c55e;
    --brand-600: #16a34a;
    --brand-700: #15803d;
    --brand-950: #052e16;
    --text-900: #111827;
    --text-700: #374151;
    --surface-0: #ffffff;
    --surface-50: #f8fafc;
    --surface-100: #eefbf3;
    --surface-200: #e5e7eb;
    --border-soft: rgba(255, 255, 255, 0.55);
    --shadow-soft: 0 24px 60px -34px rgba(15, 23, 42, 0.45);
    --shadow-strong: 0 32px 70px -34px rgba(15, 23, 42, 0.55);
}

html {
    scroll-behavior: smooth;
}

body {
    color: var(--text-900);
    background:
        radial-gradient(circle at top right, rgba(187, 247, 208, 0.7), transparent 28%),
        radial-gradient(circle at 0% 20%, rgba(186, 230, 253, 0.7), transparent 24%),
        linear-gradient(180deg, #f8fafc 0%, #f3f7f4 45%, #ffffff 100%);
    background-attachment: fixed;
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    opacity: 0.38;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.2) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.16) 1px, transparent 1px);
    background-size: 36px 36px;
    mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.5), transparent 88%);
}

nav {
    position: sticky;
    top: 0;
    z-index: 40;
    background: rgba(255, 255, 255, 0.78);
    backdrop-filter: blur(18px) saturate(180%);
    border-bottom: 1px solid rgba(255, 255, 255, 0.45);
    transition: background-color 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

nav.nav-scrolled {
    background: rgba(255, 255, 255, 0.92);
    border-color: rgba(226, 232, 240, 0.95);
    box-shadow: 0 18px 40px -34px rgba(15, 23, 42, 0.45);
}

.hero-image,
.section-grad,
header.bg-gray-100 {
    position: relative;
    isolation: isolate;
    overflow: clip;
}

.hero-image {
    background-size: cover;
    background-position: center;
}

.hero-index {
    background-image: url("https://storage.inf.rsitservice.de/fewo-bell/IMG-20240816-WA0008-scaled.jpg");
}

.hero-ausstattung {
    background-image: url("https://storage.inf.rsitservice.de/fewo-bell/202d2822.f10.jpg");
}

.hero-image::before,
.section-grad::before,
header.bg-gray-100::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -2;
}

.hero-image::before {
    background:
        linear-gradient(135deg, rgba(5, 46, 22, 0.86), rgba(17, 24, 39, 0.48)),
        radial-gradient(circle at 20% 20%, rgba(255, 255, 255, 0.2), transparent 28%);
}

.hero-image::after,
.section-grad::after,
header.bg-gray-100::after {
    content: "";
    position: absolute;
    inset: auto -10% -28% auto;
    width: 24rem;
    height: 24rem;
    z-index: -1;
    border-radius: 9999px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.26), transparent 68%);
    filter: blur(16px);
    animation: floatOrb 15s ease-in-out infinite;
}

.section-grad {
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.82), rgba(255, 255, 255, 0.96)),
        radial-gradient(circle at 12% 18%, rgba(34, 197, 94, 0.1), transparent 24%);
}

header.bg-gray-100 {
    background:
        linear-gradient(180deg, rgba(236, 253, 245, 0.92), rgba(255, 255, 255, 0.96)),
        radial-gradient(circle at 85% 20%, rgba(20, 184, 166, 0.11), transparent 24%);
}

.hero-image > *,
.section-grad > *,
header.bg-gray-100 > * {
    position: relative;
    z-index: 1;
}

.amenity-icon {
    width: 3.5rem;
    height: 3.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 9999px;
    margin: 0 auto;
    background: linear-gradient(135deg, rgba(220, 252, 231, 0.95), rgba(167, 243, 208, 0.95));
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.8);
}

.room-card,
.feature-card,
.img-card,
article.bg-white.rounded-xl.shadow-md,
#highlights article,
#ausfluege .bg-white.rounded-xl,
#seasons .bg-white.rounded-xl,
#faq .divide-y,
.bg-white.rounded-xl.shadow-md,
.bg-white.rounded-xl.border,
.bg-white.p-6.rounded-lg.shadow-md,
form.bg-gray-100,
.bg-green-600.text-white.rounded-2xl {
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.68);
    box-shadow: var(--shadow-soft);
    transition:
        transform 0.32s cubic-bezier(0.22, 1, 0.36, 1),
        box-shadow 0.32s ease,
        border-color 0.32s ease,
        background-color 0.32s ease;
}

.room-card::before,
.feature-card::before,
.img-card::before,
article.bg-white.rounded-xl.shadow-md::before,
#highlights article::before,
#ausfluege .bg-white.rounded-xl::before,
#seasons .bg-white.rounded-xl::before,
.bg-white.rounded-xl.shadow-md::before,
.bg-white.rounded-xl.border::before,
.bg-white.p-6.rounded-lg.shadow-md::before,
form.bg-gray-100::before,
.bg-green-600.text-white.rounded-2xl::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(120deg, transparent 0%, rgba(255, 255, 255, 0.5) 48%, transparent 100%);
    transform: translateX(-130%);
    transition: transform 0.8s ease;
    pointer-events: none;
}

.room-card:hover,
.feature-card:hover,
.img-card:hover,
article.bg-white.rounded-xl.shadow-md:hover,
#highlights article:hover,
#ausfluege .bg-white.rounded-xl:hover,
#seasons .bg-white.rounded-xl:hover,
.bg-white.rounded-xl.shadow-md:hover,
.bg-white.rounded-xl.border:hover,
.bg-white.p-6.rounded-lg.shadow-md:hover,
form.bg-gray-100:hover,
.bg-green-600.text-white.rounded-2xl:hover {
    transform: translateY(-8px);
    border-color: rgba(134, 239, 172, 0.7);
    box-shadow: var(--shadow-strong);
}

.room-card:hover::before,
.feature-card:hover::before,
.img-card:hover::before,
article.bg-white.rounded-xl.shadow-md:hover::before,
#highlights article:hover::before,
#ausfluege .bg-white.rounded-xl:hover::before,
#seasons .bg-white.rounded-xl:hover::before,
.bg-white.rounded-xl.shadow-md:hover::before,
.bg-white.rounded-xl.border:hover::before,
.bg-white.p-6.rounded-lg.shadow-md:hover::before,
form.bg-gray-100:hover::before,
.bg-green-600.text-white.rounded-2xl:hover::before {
    transform: translateX(130%);
}

.img-card img,
.overflow-hidden.rounded-lg.shadow-md img,
.rounded-2xl img,
.bg-white.rounded-xl.overflow-hidden img {
    transition: transform 0.75s cubic-bezier(0.22, 1, 0.36, 1), filter 0.5s ease;
}

.img-card:hover img,
.overflow-hidden.rounded-lg.shadow-md:hover img,
.rounded-2xl:hover img,
.bg-white.rounded-xl.overflow-hidden:hover img {
    transform: scale(1.06);
    filter: saturate(1.08) contrast(1.03);
}

.masonry {
    column-gap: 1rem;
}

.masonry > * {
    break-inside: avoid;
    margin-bottom: 1rem;
}

@media (min-width: 640px) {
    .masonry {
        columns: 2;
    }
}

@media (min-width: 1024px) {
    .masonry {
        columns: 3;
    }
}

.lightbox-backdrop {
    background:
        radial-gradient(circle at center, rgba(15, 23, 42, 0.72), rgba(2, 6, 23, 0.94));
}

.lb-fade {
    transition: opacity 0.2s ease;
}

.filter-btn {
    position: relative;
    transition: transform 0.22s ease, box-shadow 0.22s ease, background-color 0.22s ease;
}

.filter-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 22px -18px rgba(15, 23, 42, 0.45);
}

.pulse-cta {
    position: relative;
    overflow: hidden;
    box-shadow: 0 20px 34px -24px rgba(22, 163, 74, 0.95);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.pulse-cta::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(115deg, transparent 0%, rgba(255, 255, 255, 0.34) 45%, transparent 72%);
    transform: translateX(-120%);
}

.pulse-cta:hover {
    transform: translateY(-3px);
    box-shadow: 0 28px 40px -26px rgba(22, 163, 74, 0.98);
}

.pulse-cta:hover::after {
    animation: shineSweep 0.9s ease;
}

.fc .fc-button-primary {
    background-color: var(--brand-600);
    border-color: var(--brand-600);
}

.fc .fc-button-primary:hover,
.fc .fc-button-primary:focus {
    background-color: var(--brand-700);
    border-color: var(--brand-700);
}

.fc-theme-standard .fc-scrollgrid,
.fc-theme-standard td,
.fc-theme-standard th {
    border-color: rgba(226, 232, 240, 0.9);
}

.fc .fc-daygrid-day.fc-day-today {
    background: rgba(220, 252, 231, 0.52);
}

.js-enhanced .reveal {
    opacity: 0;
    transform: translateY(26px) scale(0.985);
    transition:
        opacity 0.72s ease,
        transform 0.72s cubic-bezier(0.22, 1, 0.36, 1);
    transition-delay: var(--reveal-delay, 0ms);
}

.js-enhanced .reveal.is-visible {
    opacity: 1;
    transform: translateY(0) scale(1);
}

.map-embed-frame {
    border: 0;
    border-radius: 1rem;
}

.form-feedback {
    display: block;
    border: 1px solid transparent;
}

.form-feedback-info {
    color: #1d4ed8;
    background: #dbeafe;
    border-color: #93c5fd;
}

.form-feedback-success {
    color: #166534;
    background: #dcfce7;
    border-color: #86efac;
}

.form-feedback-error {
    color: #991b1b;
    background: #fee2e2;
    border-color: #fca5a5;
}

details summary::-webkit-details-marker {
    display: none;
}

details[open] summary i {
    transform: rotate(180deg);
}

details summary i {
    transition: transform 0.2s ease;
}

@keyframes floatOrb {
    0%,
    100% {
        transform: translate3d(0, 0, 0) scale(1);
    }
    50% {
        transform: translate3d(-1rem, -0.5rem, 0) scale(1.06);
    }
}

@keyframes shineSweep {
    from {
        transform: translateX(-120%);
    }
    to {
        transform: translateX(120%);
    }
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        animation: none !important;
        transition-duration: 0.01ms !important;
        transition-delay: 0ms !important;
    }

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