/**
 * Seasonal Signal — soft aura + particles around the homepage special logo.
 * Decorative only; theme variants controlled via [data-seasonal-theme] on .hero-logo-shell--seasonal.
 */

.hero-logo-shell {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    isolation: isolate;
}

/*
 * Hero normally right-aligns the logo on lg+ (app.css). The seasonal ring/particles are
 * centered on the shell — so the artwork must be centered too or the effect sits beside the image.
 */
.hero-logo-shell--seasonal .hero-logo-wrap {
    justify-content: center;
}

@media (min-width: 992px) {
    .hero-section__visual:has(.hero-logo-shell--seasonal) {
        align-items: center;
    }
}

.hero-logo-shell--seasonal .hero-logo-wrap {
    position: relative;
    z-index: 2;
}

.hero-seasonal-signal {
    position: absolute;
    inset: -8%;
    z-index: 1;
    pointer-events: none;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-seasonal-signal__ring {
    position: absolute;
    width: 88%;
    height: 88%;
    max-width: 320px;
    max-height: 320px;
    border-radius: 50%;
    opacity: 0.45;
    animation: seasonal-ring-pulse 5.5s ease-in-out infinite;
}

.hero-logo-shell[data-seasonal-intensity="low"] .hero-seasonal-signal__ring {
    opacity: 0.32;
    animation-duration: 7s;
}

.hero-logo-shell[data-seasonal-intensity="high"] .hero-seasonal-signal__ring {
    opacity: 0.58;
    animation-duration: 4.2s;
}

@keyframes seasonal-ring-pulse {
    0%, 100% { transform: scale(0.96); opacity: 0.35; }
    50% { transform: scale(1.04); opacity: 0.55; }
}

/* Theme ring colors */
.hero-logo-shell[data-seasonal-theme="newyear"] .hero-seasonal-signal__ring {
    background: radial-gradient(circle, rgba(180, 230, 255, 0.35) 0%, rgba(120, 200, 255, 0.12) 45%, transparent 70%);
    box-shadow:
        0 0 42px rgba(160, 220, 255, 0.25),
        inset 0 0 28px rgba(255, 255, 255, 0.08);
}

.hero-logo-shell[data-seasonal-theme="easter"] .hero-seasonal-signal__ring {
    background: radial-gradient(circle, rgba(255, 210, 230, 0.3) 0%, rgba(200, 230, 255, 0.12) 50%, transparent 72%);
    box-shadow: 0 0 36px rgba(255, 192, 220, 0.2);
}

.hero-logo-shell[data-seasonal-theme="summer"] .hero-seasonal-signal__ring {
    background: radial-gradient(circle, rgba(255, 200, 120, 0.38) 0%, rgba(255, 150, 80, 0.1) 48%, transparent 70%);
    box-shadow: 0 0 40px rgba(255, 170, 90, 0.28);
}

.hero-logo-shell[data-seasonal-theme="halloween"] .hero-seasonal-signal__ring {
    background: radial-gradient(circle, rgba(255, 120, 40, 0.22) 0%, rgba(80, 40, 120, 0.15) 55%, transparent 72%);
    box-shadow: 0 0 38px rgba(255, 100, 30, 0.18);
}

.hero-logo-shell[data-seasonal-theme="christmas"] .hero-seasonal-signal__ring {
    background: radial-gradient(circle, rgba(220, 255, 240, 0.28) 0%, rgba(180, 40, 50, 0.1) 50%, transparent 72%);
    box-shadow: 0 0 34px rgba(200, 255, 230, 0.22);
}

.hero-logo-shell[data-seasonal-theme="custom"] .hero-seasonal-signal__ring {
    background: radial-gradient(circle, rgba(167, 139, 250, 0.28) 0%, rgba(235, 97, 35, 0.08) 50%, transparent 72%);
    box-shadow: 0 0 36px rgba(139, 92, 246, 0.2);
}

.hero-seasonal-signal__particles {
    position: absolute;
    inset: 0;
}

.hero-seasonal-signal__particle {
    position: absolute;
    left: 50%;
    top: 50%;
    width: var(--p-w, 4px);
    height: var(--p-h, 4px);
    margin-left: calc(var(--p-w, 4px) / -2);
    margin-top: calc(var(--p-h, 4px) / -2);
    border-radius: var(--p-radius, 50%);
    opacity: var(--p-opacity, 0.55);
    background: var(--p-bg, rgba(255, 255, 255, 0.85));
    box-shadow: var(--p-glow, 0 0 6px rgba(255, 255, 255, 0.35));
    animation: seasonal-drift var(--p-dur, 14s) linear infinite;
    animation-delay: var(--p-delay, 0s);
    will-change: transform, opacity;
}

@keyframes seasonal-drift {
    0% {
        transform: rotate(var(--p-angle, 0deg)) translateX(var(--p-r1, 72px)) rotate(calc(-1 * var(--p-angle, 0deg)));
        opacity: 0;
    }
    8% { opacity: var(--p-opacity, 0.55); }
    92% { opacity: var(--p-opacity, 0.45); }
    100% {
        transform: rotate(var(--p-angle, 0deg)) translateX(var(--p-r2, 108px)) rotate(calc(-1 * var(--p-angle, 0deg)));
        opacity: 0;
    }
}

.hero-seasonal-signal--reduced .hero-seasonal-signal__ring {
    animation: none;
    opacity: 0.28;
    transform: scale(1);
}

.hero-seasonal-signal--reduced .hero-seasonal-signal__particle {
    animation: none;
    opacity: 0.2;
    transform: rotate(var(--p-angle, 0deg)) translateX(85px);
}

@media (prefers-reduced-motion: reduce) {
    .hero-seasonal-signal__ring {
        animation: none !important;
        opacity: 0.25 !important;
        transform: scale(1) !important;
    }
    .hero-seasonal-signal__particle {
        animation: none !important;
        opacity: 0.18 !important;
    }
}

/* Admin preview staging */
.special-logo-preview-stage {
    border-radius: var(--radius-lg, 12px);
    padding: 2rem 1.5rem;
    min-height: 220px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.special-logo-preview-stage--hero {
    background: linear-gradient(135deg, var(--color-purple-dark) 0%, var(--color-purple) 50%, var(--color-studio) 100%);
}

.special-logo-preview-stage--light {
    background: linear-gradient(180deg, #f4f4f8 0%, #e8e8f0 100%);
}

.special-logo-preview-stage--dark {
    background: linear-gradient(180deg, #12121a 0%, #0a0a0f 100%);
}

.special-logo-preview--mobile .special-logo-preview-stage {
    max-width: 380px;
    margin-left: auto;
    margin-right: auto;
}

.special-logo-preview--mobile .row {
    flex-direction: column;
}

/* -------------------------------------------------------------------------- */
/* Navbar brand: same campaign logo + subtle “signal” glow (CSS-only, compact) */
/* -------------------------------------------------------------------------- */

.site-header .navbar-brand.navbar-brand--seasonal .navbar-brand-logo {
    animation: navbar-seasonal-glow 5s ease-in-out infinite;
}

.site-header .navbar-brand.navbar-brand--seasonal[data-seasonal-intensity="low"] .navbar-brand-logo {
    animation-duration: 7s;
}

.site-header .navbar-brand.navbar-brand--seasonal[data-seasonal-intensity="high"] .navbar-brand-logo {
    animation-duration: 3.5s;
}

@keyframes navbar-seasonal-glow {
    0%, 100% {
        filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.35)) var(--nav-seasonal-glow, drop-shadow(0 0 8px rgba(167, 139, 250, 0.35)));
    }
    50% {
        filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.35)) var(--nav-seasonal-glow-mid, drop-shadow(0 0 14px rgba(167, 139, 250, 0.5)));
    }
}

.site-header .navbar-brand.navbar-brand--seasonal[data-seasonal-theme="newyear"] .navbar-brand-logo {
    --nav-seasonal-glow: drop-shadow(0 0 8px rgba(160, 220, 255, 0.45));
    --nav-seasonal-glow-mid: drop-shadow(0 0 14px rgba(180, 235, 255, 0.6));
}

.site-header .navbar-brand.navbar-brand--seasonal[data-seasonal-theme="easter"] .navbar-brand-logo {
    --nav-seasonal-glow: drop-shadow(0 0 8px rgba(255, 200, 230, 0.4));
    --nav-seasonal-glow-mid: drop-shadow(0 0 12px rgba(200, 220, 255, 0.45));
}

.site-header .navbar-brand.navbar-brand--seasonal[data-seasonal-theme="summer"] .navbar-brand-logo {
    --nav-seasonal-glow: drop-shadow(0 0 8px rgba(255, 190, 100, 0.5));
    --nav-seasonal-glow-mid: drop-shadow(0 0 14px rgba(255, 160, 70, 0.55));
}

.site-header .navbar-brand.navbar-brand--seasonal[data-seasonal-theme="halloween"] .navbar-brand-logo {
    --nav-seasonal-glow: drop-shadow(0 0 8px rgba(255, 110, 40, 0.4));
    --nav-seasonal-glow-mid: drop-shadow(0 0 12px rgba(120, 60, 180, 0.35));
}

.site-header .navbar-brand.navbar-brand--seasonal[data-seasonal-theme="christmas"] .navbar-brand-logo {
    --nav-seasonal-glow: drop-shadow(0 0 8px rgba(220, 255, 240, 0.45));
    --nav-seasonal-glow-mid: drop-shadow(0 0 12px rgba(255, 220, 220, 0.4));
}

.site-header .navbar-brand.navbar-brand--seasonal[data-seasonal-theme="custom"] .navbar-brand-logo {
    --nav-seasonal-glow: drop-shadow(0 0 8px rgba(167, 139, 250, 0.4));
    --nav-seasonal-glow-mid: drop-shadow(0 0 14px rgba(235, 97, 35, 0.35));
}

@media (prefers-reduced-motion: reduce) {
    .site-header .navbar-brand.navbar-brand--seasonal .navbar-brand-logo {
        animation: none !important;
        filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.35)) var(--nav-seasonal-glow, drop-shadow(0 0 6px rgba(167, 139, 250, 0.25))) !important;
    }
}