/* ==========================================================================
   KONZERTAGENTUR ANNETTE REISINGER
   Design System: Bordeaux-Rot & Hellstes Beige + Dark Mode Engine
   ========================================================================== */

/* --------------------------------------------------------------------------
   THEME VARIABLES
   -------------------------------------------------------------------------- */

:root,
[data-bs-theme="light"] {
    --kaar-bg-page: #FBF9F5;
    --kaar-bg-card: rgba(255, 255, 255, 0.92);
    --kaar-bg-header: rgba(251, 249, 245, 0.75);
    --kaar-bg-footer: rgba(251, 249, 245, 0.25);
    --kaar-text-dark: #1E2328;
    --kaar-heading-main: #3E474F;
    --kaar-text-body: #4E5862;
    --kaar-text-muted: #7A8793;
    --kaar-link-secondary: #687682;
    --kaar-accent: #842338;
    --kaar-accent-hover: #5A1624;
    --kaar-accent-subtle: rgba(132, 35, 56, 0.08);
    --kaar-border: rgba(30, 35, 40, 0.08);
    --kaar-card-shadow: 0 10px 28px rgba(30, 35, 40, 0.06);
    --kaar-card-hover-shadow: 0 20px 42px rgba(132, 35, 56, 0.14);
    --kaar-toggle-bg: rgba(132, 35, 56, 0.08);
    --kaar-toggle-color: #842338;
    --kaar-toggle-border: rgba(132, 35, 56, 0.15);

    /* Ambient Fog / Glow Tokens (Light Mode) */
    --kaar-glow-top: radial-gradient(circle at 50% 50%, rgba(180, 45, 70, 0.14) 0%, rgba(132, 35, 56, 0.04) 45%, transparent 70%);
    --kaar-glow-bottom: radial-gradient(circle at 50% 50%, rgba(216, 88, 112, 0.12) 0%, rgba(185, 65, 88, 0.03) 50%, transparent 70%);
    --kaar-glow-center: radial-gradient(circle at 50% 50%, rgba(180, 70, 95, 0.08) 0%, transparent 65%);
    --kaar-glow-opacity-top: 0.85;
    --kaar-glow-opacity-bottom: 0.75;
    --kaar-glow-opacity-center: 0.60;
}

[data-bs-theme="dark"] {
    --kaar-bg-page: #121518;
    --kaar-bg-card: rgba(26, 31, 36, 0.85);
    --kaar-bg-header: rgba(18, 21, 24, 0.85);
    --kaar-bg-footer: rgba(18, 21, 24, 0.33);
    --kaar-text-dark: #F2F4F7;
    --kaar-heading-main: #E0E5EA;
    --kaar-text-body: #B0BAC4;
    --kaar-text-muted: #798693;
    --kaar-link-secondary: #A2B2BF;
    --kaar-accent: #D85870;
    --kaar-accent-hover: #F27B91;
    --kaar-accent-subtle: rgba(216, 88, 112, 0.15);
    --kaar-border: rgba(255, 255, 255, 0.08);
    --kaar-card-shadow: 0 10px 28px rgba(0, 0, 0, 0.45);
    --kaar-card-hover-shadow: 0 20px 42px rgba(216, 88, 112, 0.24);
    --kaar-toggle-bg: rgba(216, 88, 112, 0.15);
    --kaar-toggle-color: #D85870;
    --kaar-toggle-border: rgba(216, 88, 112, 0.25);

    /* Ambient Fog / Glow Tokens (Dark Mode) */
    --kaar-glow-top: radial-gradient(circle at 50% 50%, rgba(216, 88, 112, 0.30) 0%, rgba(132, 35, 56, 0.14) 45%, transparent 70%);
    --kaar-glow-bottom: radial-gradient(circle at 50% 50%, rgba(180, 40, 68, 0.32) 0%, rgba(216, 88, 112, 0.12) 50%, transparent 70%);
    --kaar-glow-center: radial-gradient(circle at 50% 50%, rgba(132, 35, 56, 0.24) 0%, transparent 65%);
    --kaar-glow-opacity-top: 0.90;
    --kaar-glow-opacity-bottom: 0.85;
    --kaar-glow-opacity-center: 0.70;
}

/* --------------------------------------------------------------------------
   GLOBAL STYLES
   -------------------------------------------------------------------------- */

html {
    scroll-behavior: smooth;
    background-color: var(--kaar-bg-page);
    transition: background-color 0.3s ease, color 0.3s ease;
}

body {
    background-color: var(--kaar-bg-page) !important;
    color: var(--kaar-text-body);
    font-family: 'Montserrat', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    min-height: 100vh;
    position: relative;
    overflow-x: hidden;
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* --------------------------------------------------------------------------
   AMBIENT FOG / GLOW ENGINE (Light & Dark)
   -------------------------------------------------------------------------- */

.ambient-glow {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}

.ambient-glow::before {
    content: '';
    position: absolute;
    top: -15vw;
    left: -15vw;
    width: 65vw;
    height: 65vw;
    max-width: 950px;
    max-height: 950px;
    border-radius: 50%;
    background: var(--kaar-glow-top);
    filter: blur(90px);
    -webkit-filter: blur(90px);
    opacity: var(--kaar-glow-opacity-top);
    transform: translate3d(0, 0, 0);
    animation: ambientFloatTop 24s ease-in-out infinite alternate;
    transition: opacity 0.4s ease, background 0.4s ease;
}

.ambient-glow::after {
    content: '';
    position: absolute;
    bottom: -10vh;
    right: -15vw;
    width: 60vw;
    height: 60vw;
    max-width: 900px;
    max-height: 900px;
    border-radius: 50%;
    background: var(--kaar-glow-bottom);
    filter: blur(100px);
    -webkit-filter: blur(100px);
    opacity: var(--kaar-glow-opacity-bottom);
    transform: translate3d(0, 0, 0);
    animation: ambientFloatBottom 28s ease-in-out infinite alternate;
    transition: opacity 0.4s ease, background 0.4s ease;
}

.ambient-glow-center {
    position: absolute;
    top: 40%;
    left: 10%;
    width: 50vw;
    height: 50vw;
    max-width: 750px;
    max-height: 750px;
    border-radius: 50%;
    background: var(--kaar-glow-center);
    filter: blur(90px);
    -webkit-filter: blur(90px);
    opacity: var(--kaar-glow-opacity-center);
    transform: translate3d(0, 0, 0);
    animation: ambientFloatCenter 26s ease-in-out infinite alternate;
    transition: opacity 0.4s ease, background 0.4s ease;
}

@keyframes ambientFloatTop {
    0% {
        transform: translate3d(0, 0, 0) scale(1);
    }

    50% {
        transform: translate3d(4vw, 3vh, 0) scale(1.06);
    }

    100% {
        transform: translate3d(-3vw, 5vh, 0) scale(0.96);
    }
}

@keyframes ambientFloatBottom {
    0% {
        transform: translate3d(0, 0, 0) scale(1);
    }

    50% {
        transform: translate3d(-4vw, -3vh, 0) scale(1.05);
    }

    100% {
        transform: translate3d(3vw, -4vh, 0) scale(0.95);
    }
}

@keyframes ambientFloatCenter {
    0% {
        transform: translate3d(0, 0, 0) scale(1);
    }

    50% {
        transform: translate3d(3vw, -2vh, 0) scale(1.08);
    }

    100% {
        transform: translate3d(-2vw, 3vh, 0) scale(0.94);
    }
}

@media (prefers-reduced-motion: reduce) {

    .ambient-glow::before,
    .ambient-glow::after,
    .ambient-glow-center {
        animation: none !important;
    }
}

header,
main,
footer {
    position: relative;
    z-index: 1;
}

.font-montserrat {
    font-family: 'Montserrat', sans-serif;
}

h1,
h2,
h3,
.display-6,
.card-title {
    color: var(--kaar-text-dark);
    font-family: 'Montserrat', sans-serif;
    letter-spacing: -0.01em;
    transition: color 0.3s ease;
}

.display-6.text-uppercase,
h1.text-uppercase {
    letter-spacing: 0.01em;
    font-size: 2rem;
    color: var(--kaar-heading-main);
    transition: color 0.3s ease;
}

a {
    outline: none;
    text-decoration: none;
    color: var(--kaar-accent);
    transition: color 0.2s ease, transform 0.2s ease;
}

a:hover,
a:focus {
    text-decoration: none;
    color: var(--kaar-accent-hover);
}

a.link-secondary {
    color: var(--kaar-link-secondary) !important;
    transition: color 0.2s ease;
}

a.link-secondary:hover {
    color: var(--kaar-accent) !important;
}

hr {
    border-color: var(--kaar-border);
    opacity: 1;
    transition: border-color 0.3s ease;
}

/* --------------------------------------------------------------------------
   HEADER & FOOTER (GLASSMORPHISM)
   -------------------------------------------------------------------------- */

.navbar-glass {
    background-color: var(--kaar-bg-header) !important;
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border-bottom: none;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.04);
    z-index: 1030;
    transition: background-color 0.3s ease, box-shadow 0.3s ease;
}

.footer-glass {
    background-color: var(--kaar-bg-footer) !important;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-top: none;
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.02);
    transition: background-color 0.3s ease, box-shadow 0.3s ease;
}

/* Dark mode logo brightness boost */
[data-bs-theme="dark"] .navbar-brand img {
    filter: brightness(1.65) saturate(1.25);
    transition: filter 0.3s ease;
}

.navbar-brand img {
    transition: filter 0.3s ease;
}

/* --------------------------------------------------------------------------
   THEME TOGGLE BUTTON
   -------------------------------------------------------------------------- */

.theme-toggle-btn {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background-color: var(--kaar-toggle-bg);
    color: var(--kaar-toggle-color);
    border: 1px solid var(--kaar-toggle-border);
    transition: all 0.25s ease;
    cursor: pointer;
    font-size: 1.1rem;
    padding: 0;
    line-height: 1;
}

.theme-toggle-btn:hover {
    background-color: var(--kaar-accent);
    color: #ffffff;
    border-color: var(--kaar-accent);
    transform: rotate(15deg) scale(1.06);
}

.theme-toggle-btn:focus-visible {
    outline: 2px solid var(--kaar-accent);
    outline-offset: 2px;
}

/* --------------------------------------------------------------------------
   CARDS
   -------------------------------------------------------------------------- */

.card {
    background-color: var(--kaar-bg-card);
    border: 1px solid var(--kaar-border);
    border-radius: 6px;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    overflow: hidden;
    transition: transform 0.28s cubic-bezier(0.165, 0.84, 0.44, 1),
        box-shadow 0.28s cubic-bezier(0.165, 0.84, 0.44, 1),
        background-color 0.3s ease,
        border-color 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: var(--kaar-card-hover-shadow) !important;
}

.card-header {
    background-color: rgba(0, 0, 0, 0);
    border-bottom: 0px solid rgba(0, 0, 0, 0);
}

.shadow-lg {
    box-shadow: var(--kaar-card-shadow) !important;
}

.text-capucchino,
.text-accent {
    color: var(--kaar-accent) !important;
    transition: color 0.3s ease;
}

.text-white-75 {
    color: rgba(255, 255, 255, 0.75) !important;
}

i.bi-caret-up {
    font-size: 2rem;
    color: var(--kaar-accent);
    transition: color 0.2s ease, transform 0.2s ease;
    display: inline-block;
}

i.bi-caret-up:hover {
    color: var(--kaar-accent-hover);
    transform: translateY(-2px);
}

/* --------------------------------------------------------------------------
   BUTTONS & PILLS
   -------------------------------------------------------------------------- */

.btn-outline-capucchino,
.btn-outline-accent {
    border: 1px solid var(--kaar-accent);
    color: var(--kaar-accent);
    background-color: transparent;
    transition: all 0.2s ease;
}

.btn-outline-capucchino:hover,
.btn-outline-accent:hover {
    background-color: var(--kaar-accent);
    border-color: var(--kaar-accent);
    color: #ffffff;
}

.btn-outline-capucchino.active,
.nav-pills .nav-link.active {
    background-color: var(--kaar-accent) !important;
    border-color: var(--kaar-accent) !important;
    color: #ffffff !important;
}

.nav-pills .nav-link {
    color: var(--kaar-text-body);
    transition: all 0.2s ease;
}

.nav-pills .nav-link:hover:not(.active) {
    color: var(--kaar-accent);
    background-color: var(--kaar-accent-subtle);
}

/* --------------------------------------------------------------------------
   MODAL
   -------------------------------------------------------------------------- */

.modal-content {
    background-color: var(--kaar-bg-card);
    color: var(--kaar-text-body);
    border: 1px solid var(--kaar-border);
    transition: background-color 0.3s ease, color 0.3s ease;
}

[data-bs-theme="dark"] .btn-close {
    filter: invert(1) grayscale(100%) brightness(200%);
}

/* --------------------------------------------------------------------------
   FOOTER
   -------------------------------------------------------------------------- */

footer {
    background-color: transparent !important;
    font-family: 'Montserrat', sans-serif;
    font-size: 0.95rem;
    color: var(--kaar-text-body);
    transition: color 0.3s ease;
}

footer address {
    font-style: normal;
}