/* ═══ Premium Welcome Screen ═══ */
.welcome-screen {
    position: fixed;
    inset: 0;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: #0a0a0f;
    transition: opacity 0.65s cubic-bezier(0.4, 0, 0.2, 1),
                transform 0.65s cubic-bezier(0.4, 0, 0.2, 1),
                filter 0.65s ease;
}

.welcome-screen.is-exiting {
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.45s ease;
}

.welcome-confetti {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 5;
}

.welcome-screen__media {
    position: absolute;
    inset: 0;
    z-index: 0;
    overflow: hidden;
    background: #0a0a0f;
}

.welcome-screen__bg,
.welcome-screen__video {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    max-width: none;
    max-height: none;
    object-fit: cover;
    object-position: center center;
    transform: none;
}

.welcome-screen__overlay {
    position: absolute;
    inset: 0;
    background:
        linear-gradient(180deg, rgba(0,0,0,0.35) 0%, rgba(0,0,0,0.75) 55%, rgba(0,0,0,0.92) 100%),
        radial-gradient(ellipse 80% 50% at 50% 0%, rgba(201,169,98,0.18), transparent 60%);
}

.welcome-screen__content {
    position: relative;
    z-index: 2;
    width: min(420px, 92vw);
    padding: 24px 20px calc(24px + env(safe-area-inset-bottom));
    text-align: center;
}

.welcome-screen__logo {
    width: 88px;
    height: 88px;
    margin: 0 auto 16px;
    border-radius: 50%;
    overflow: hidden;
    border: 2px solid rgba(255,255,255,0.15);
    box-shadow: 0 12px 40px rgba(0,0,0,0.45), 0 0 0 4px rgba(201,169,98,0.12);
    background: rgba(255,255,255,0.06);
}

.welcome-screen__logo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.welcome-screen__title {
    font-size: clamp(1.5rem, 5vw, 1.875rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    margin: 0 0 10px;
    line-height: 1.25;
    color: #fff;
    text-shadow: 0 4px 24px rgba(0,0,0,0.5);
}

.welcome-screen__message {
    font-size: 1rem;
    color: rgba(255,255,255,0.72);
    margin: 0 0 24px;
    line-height: 1.65;
}

.welcome-offer-card {
    background: rgba(255,255,255,0.07);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: 22px;
    padding: 20px 18px;
    margin-bottom: 16px;
    box-shadow: 0 16px 48px rgba(0,0,0,0.35);
    transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.welcome-offer-card.is-revealed {
    transform: scale(1.02);
    border-color: rgba(201,169,98,0.35);
    box-shadow: 0 20px 56px rgba(0,0,0,0.4), 0 0 40px rgba(201,169,98,0.12);
}

.welcome-offer-card__badge {
    display: inline-block;
    font-size: 0.8125rem;
    font-weight: 700;
    color: var(--welcome-accent, #c9a962);
    background: rgba(201,169,98,0.14);
    border: 1px solid rgba(201,169,98,0.28);
    padding: 6px 14px;
    border-radius: 999px;
}

.welcome-offer-card__hint {
    font-size: 0.9375rem;
    color: rgba(255,255,255,0.65);
    margin: 14px 0 16px;
    line-height: 1.55;
}

.welcome-offer-card__reveal {
    /* static reveal — no bounce animation */
}

.welcome-offer-card__icon {
    font-size: 3rem;
    display: block;
    margin-bottom: 8px;
}

.welcome-offer-card__prize {
    font-size: 1.375rem;
    font-weight: 800;
    margin: 0 0 6px;
    color: #fff;
    letter-spacing: -0.02em;
}

.welcome-offer-card__sub {
    font-size: 0.875rem;
    color: rgba(255,255,255,0.6);
    margin: 0 0 16px;
}

.welcome-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    min-height: 52px;
    padding: 14px 24px;
    border: none;
    border-radius: 16px;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    transition: transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1),
                box-shadow 0.25s ease,
                background 0.25s ease;
    -webkit-tap-highlight-color: transparent;
    position: relative;
    overflow: hidden;
}

.welcome-btn:active { transform: scale(0.96); }

.welcome-btn--gift {
    background: linear-gradient(135deg, var(--welcome-accent, #c9a962), #a8894a);
    color: #0a0a0f;
    box-shadow: 0 8px 28px rgba(201,169,98,0.35);
}

.welcome-btn--gift:hover {
    box-shadow: 0 12px 36px rgba(201,169,98,0.45);
    transform: translateY(-2px);
}

.welcome-btn--primary {
    background: rgba(255,255,255,0.1);
    border: 1.5px solid rgba(255,255,255,0.2);
    color: #fff;
    backdrop-filter: blur(12px);
}

.welcome-btn--primary svg {
    width: 20px;
    height: 20px;
}

.welcome-btn--primary:not([hidden]) {
    display: inline-flex;
}

.welcome-btn.is-spinning .welcome-btn__spinner {
    width: 22px;
    height: 22px;
    border: 2px solid rgba(0,0,0,0.15);
    border-top-color: #0a0a0f;
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
}

/* Menu app — visible by default; blur only while welcome screen exists */
.menu-app {
    opacity: 1;
    filter: none;
    transform: none;
    pointer-events: auto;
    transition: opacity 0.75s cubic-bezier(0.4, 0, 0.2, 1),
                transform 0.75s cubic-bezier(0.34, 1.2, 0.64, 1),
                filter 0.75s ease;
    transform-origin: center top;
}

body:has(#welcomeScreen:not(.is-exiting)) {
    overflow: hidden;
}

body:has(#welcomeScreen:not(.is-exiting)) .menu-app {
    opacity: 0;
    transform: scale(0.96);
    filter: blur(8px);
    pointer-events: none;
}

body.is-welcome-active { overflow: hidden; }

body.is-welcome-active .menu-app {
    opacity: 0;
    transform: scale(0.96);
    filter: blur(8px);
    pointer-events: none;
}

body.is-menu-visible .menu-app {
    opacity: 1;
    transform: none;
    filter: none;
    pointer-events: auto;
}

.anim-welcome {
    opacity: 1;
    transform: none;
}

.welcome-offer-card__reveal[hidden] {
    display: none !important;
}

#welcomeStartBtn[hidden] {
    display: none !important;
}

@keyframes welcomeFadeUp {
    to { opacity: 1; transform: translateY(0); }
}

@keyframes welcomePopIn {
    from { opacity: 0; transform: scale(0.85); }
    to { opacity: 1; transform: scale(1); }
}

@keyframes welcomeBounce {
    0%, 100% { transform: translateY(0); }
    40% { transform: translateY(-12px); }
    70% { transform: translateY(-4px); }
}

@keyframes welcomeKenBurns {
    from { transform: scale(1.05); }
    to { transform: scale(1.12); }
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

[dir="ltr"] .welcome-btn--primary svg { transform: scaleX(-1); }

.welcome-skip {
    display: block;
    width: 100%;
    margin-top: 14px;
    padding: 8px;
    border: none;
    background: transparent;
    color: rgba(255, 255, 255, 0.45);
    font-size: 0.8125rem;
    font-weight: 600;
    cursor: pointer;
    text-decoration: underline;
    text-underline-offset: 3px;
}

.welcome-skip:hover {
    color: rgba(255, 255, 255, 0.75);
}

@media (prefers-reduced-motion: reduce) {
    .welcome-screen__bg,
    .welcome-screen__video,
    .anim-welcome,
    .welcome-offer-card__reveal,
    .welcome-offer-card__icon {
        animation: none !important;
    }
    .welcome-screen,
    .menu-app {
        transition: none !important;
    }
}