/* ===== LOADING SCREEN ===== */
.loading-screen {
    position: fixed;
    inset: 0;
    background: var(--dark, #0f1108);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition:
        opacity 0.6s ease,
        visibility 0.6s ease;
}
.loading-screen.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.loading-spinner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    width: 60px;
    height: 60px;
}
.spinner-ring {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: transparent;
    border: 3px solid rgba(255, 255, 255, 0.05);
    border-top-color: var(--purple, #b388eb);
    animation: spin 1.2s cubic-bezier(0.5, 0, 0.5, 1) infinite;
}
.spinner-ring:nth-child(2) {
    animation-delay: -0.3s;
    border-top-color: var(--pink, #f7aef8);
}
.spinner-ring:nth-child(3) {
    animation-delay: -0.6s;
    border-top-color: var(--blue, #8093f1);
}
.spinner-ring:nth-child(4) {
    animation-delay: -0.9s;
    border-top-color: var(--light-blue, #72ddf7);
}
@keyframes spin {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

.loading-text {
    margin-top: 24px;
    font-weight: 600;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.4);
    letter-spacing: 0.5px;
    animation: pulseText 1.5s ease-in-out infinite;
}
@keyframes pulseText {
    0%,
    100% {
        opacity: 0.4;
    }
    50% {
        opacity: 1;
    }
}

/* ===== HERO WA ===== */
.wa-hero {
    padding: 120px 0 40px;
    text-align: center;
}
.wa-hero__content {
    max-width: 640px;
    margin: 0 auto;
}
.wa-hero__title {
    font-size: clamp(2rem, 6vw, 3.2rem);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 12px;
}
.wa-hero__title .highlight {
    background: linear-gradient(
        135deg,
        var(--pink),
        var(--purple),
        var(--blue),
        var(--light-blue)
    );
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.wa-hero__desc {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.5);
    max-width: 460px;
    margin: 0 auto;
    line-height: 1.6;
}

/* ===== CHANNELS GRID ===== */
.wa-channels {
    padding: 20px 0 60px;
}
.channels-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
    max-width: 720px;
    margin: 0 auto;
}

.channel-card {
    display: flex;
    align-items: center;
    gap: 16px;
    background: var(--glass-bg, rgba(255, 255, 255, 0.04));
    border: 1px solid var(--glass-border, rgba(255, 255, 255, 0.06));
    border-radius: var(--radius, 20px);
    padding: 18px 22px;
    transition: var(--transition, 0.3s ease);
    backdrop-filter: blur(4px);
    text-decoration: none;
    color: var(--white);
}
.channel-card:hover {
    background: rgba(255, 255, 255, 0.07);
    border-color: rgba(255, 255, 255, 0.12);
    transform: translateY(-2px);
}
.channel-card:active {
    transform: scale(0.97);
}

.channel-card__icon {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: rgba(37, 211, 102, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    color: #25d366;
    flex-shrink: 0;
}
.channel-card__info {
    flex: 1;
}
.channel-card__info h3 {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 2px;
}
.channel-card__info p {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.5);
    margin-bottom: 4px;
}
.channel-card__badge {
    display: inline-block;
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 2px 10px;
    border-radius: 100px;
    background: rgba(179, 136, 235, 0.2);
    color: var(--purple);
}
.channel-card__arrow {
    color: rgba(255, 255, 255, 0.2);
    font-size: 1.1rem;
    transition: var(--transition);
}
.channel-card:hover .channel-card__arrow {
    color: var(--white);
    transform: translateX(3px);
}

/* ===== RESPONSIVE ===== */
@media (min-width: 640px) {
    .channels-grid {
        padding: 0 20px;
    }
}
@media (min-width: 1024px) {
    .wa-hero {
        padding: 140px 0 50px;
    }
    .channels-grid {
        gap: 20px;
    }
    .channel-card {
        padding: 22px 28px;
    }
}