.site__block_21 {
    background-color: var(--color-surface-base);
    background-image:
        radial-gradient(circle at 20% 30%, rgba(0, 36, 248, 0.07) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(35, 192, 79, 0.05) 0%, transparent 50%);
    color: var(--color-text-primary);
    position: relative;
}

.site__block_21 .container {
    padding-bottom: var(--space-section);
    padding-top: var(--space-hero);
    display: flex;
    flex-direction: column;
    gap: 56px;
}

/* Heading */
.site__block_21 .block__heading {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    max-width: 720px;
    margin: 0 auto;
}

.site__block_21 .heading__eyebrow {
    display: inline-block;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: var(--first-color);
    padding: 6px 14px;
    background: rgba(0, 36, 248, 0.08);
    border: 1px solid rgba(0, 36, 248, 0.15);
    border-radius: 999px;
}

.site__block_21 .content__title {
    color: var(--color-text-primary);
    font-size: 48px;
    font-weight: 800;
    letter-spacing: -0.025em;
    line-height: 1.1;
    text-wrap: balance;
    margin: 0;
}

.site__block_21 .title__accent {
    background: linear-gradient(135deg, #0024f8 0%, #001592 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
}

.site__block_21 .content__description {
    font-size: 18px;
    line-height: 1.6;
    color: var(--color-text-secondary);
    margin: 0;
    max-width: 580px;
    text-wrap: balance;
}

/* Channel cards */
.site__block_21 .block__channels {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    max-width: 1100px;
    margin: 0 auto;
    width: 100%;
}

.channel-card {
    display: flex;
    flex-direction: column;
    gap: 18px;
    padding: 32px 28px;
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: 20px;
    text-decoration: none;
    color: inherit;
    transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
    overflow: hidden;
}

.channel-card:hover {
    transform: translateY(-3px);
    border-color: var(--first-color);
    box-shadow: 0 16px 32px rgba(0, 36, 248, 0.08), 0 4px 12px rgba(15, 23, 42, 0.04);
}

.channel-card--primary {
    background: linear-gradient(135deg, #25d366 0%, #128c7e 100%);
    color: #fff;
    border-color: transparent;
}

.channel-card--primary:hover {
    border-color: transparent;
    box-shadow: 0 20px 40px rgba(37, 211, 102, 0.25), 0 4px 12px rgba(15, 23, 42, 0.08);
}

.channel-card__icon {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
}

.channel-card__icon--blue {
    background: linear-gradient(135deg, #0024f8 0%, #001592 100%);
}

.channel-card__icon--gray {
    background: linear-gradient(135deg, #4b5563 0%, #1f2937 100%);
}

.channel-card__body {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.channel-card__label {
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    opacity: 0.7;
}

.channel-card__value {
    font-size: 19px;
    font-weight: 700;
    letter-spacing: -0.01em;
    line-height: 1.3;
}

.channel-card__hint {
    font-size: 13px;
    font-weight: 500;
    opacity: 0.85;
    margin-top: 4px;
}

.channel-card--primary .channel-card__label,
.channel-card--primary .channel-card__hint {
    opacity: 0.9;
}

/* Info section */
.site__block_21 .block__info {
    margin-top: 32px;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    max-width: 1000px;
    margin: 0 auto;
}

.info-card {
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: 18px;
    padding: 28px 24px;
    text-align: center;
    transition: all 0.2s ease;
}

.info-card:hover {
    border-color: rgba(0, 36, 248, 0.3);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(15, 23, 42, 0.06);
}

.info-card__icon {
    font-size: 32px;
    margin-bottom: 12px;
    display: block;
}

.info-card__title {
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-text-secondary);
    margin: 0 0 8px;
}

.info-card__value {
    font-size: 22px;
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--color-text-primary);
    margin: 0 0 6px;
}

.info-card__sub {
    font-size: 13px;
    color: var(--color-text-secondary);
    line-height: 1.45;
    margin: 0;
}

/* Responsive */
@media (max-width: 1199px) {
    .site__block_21 .content__title { font-size: 42px; }
    .site__block_21 .block__channels { grid-template-columns: repeat(3, 1fr); gap: 16px; }
    .channel-card { padding: 28px 24px; gap: 16px; }
    .channel-card__icon { width: 50px; height: 50px; }
    .channel-card__value { font-size: 17px; }
}

@media (max-width: 991px) {
    .site__block_21 .container {
        padding-top: var(--space-hero-mobile);
        padding-bottom: var(--space-section-mobile);
        gap: 40px;
    }
    .site__block_21 .content__title { font-size: 34px; }
    .site__block_21 .content__description { font-size: 16px; }
    .site__block_21 .block__channels {
        grid-template-columns: 1fr;
        gap: 14px;
        max-width: 480px;
    }
    .info-grid {
        grid-template-columns: 1fr;
        gap: 14px;
        max-width: 480px;
    }
}

@media (max-width: 600px) {
    .site__block_21 .content__title { font-size: 28px; }
    .channel-card { padding: 24px 20px; }
    .channel-card__icon { width: 44px; height: 44px; border-radius: 12px; }
    .channel-card__icon svg { width: 22px; height: 22px; }
    .channel-card__value { font-size: 16px; }
    .info-card { padding: 22px 18px; }
    .info-card__value { font-size: 19px; }
}