/* ============================================================
   Component: Call-to-action блок
   Класс: .gk-cta
   Применение: призыв к действию (записаться, подать заявку и т.п.)
   ============================================================ */

.gk-cta {
    position: relative;
    overflow: hidden;
    margin: var(--gk-space-15) 0;
    padding: var(--gk-space-15) var(--gk-space-10);
    border-radius: var(--gk-radius-2xl);
    color: var(--gk-color-text-inverse);
    background:
        radial-gradient(ellipse at 85% 0%, rgba(167, 139, 250, 0.45) 0%, transparent 55%),
        radial-gradient(ellipse at 10% 100%, rgba(96, 165, 250, 0.4) 0%, transparent 55%),
        linear-gradient(135deg, #0f1a4f 0%, #182968 40%, #2e3a8c 100%);
    box-shadow: var(--gk-shadow-card-hover);
}

/* Декоративные blob'ы */
.gk-cta__decor {
    position: absolute;
    border-radius: 50%;
    pointer-events: none;
    filter: blur(60px);
    opacity: 0.5;
}

.gk-cta__decor--top-right {
    width: 320px;
    height: 320px;
    top: -80px;
    right: -80px;
    background: radial-gradient(circle, rgba(167, 139, 250, 0.7) 0%, transparent 70%);
}

.gk-cta__decor--bottom-left {
    width: 260px;
    height: 260px;
    bottom: -100px;
    left: -60px;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.65) 0%, transparent 70%);
}

.gk-cta__grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
    background-size: 48px 48px;
    mask-image: radial-gradient(ellipse at center, #000 30%, transparent 75%);
    -webkit-mask-image: radial-gradient(ellipse at center, #000 30%, transparent 75%);
    pointer-events: none;
}

/* Контент */
.gk-cta__inner {
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--gk-space-10);
    flex-wrap: wrap;
}

.gk-cta__text {
    flex: 1;
    min-width: 280px;
    max-width: 640px;
}

.gk-cta__eyebrow {
    display: inline-block;
    padding: 6px 14px;
    border-radius: var(--gk-radius-pill);
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.25);
    color: var(--gk-color-text-inverse);
    font-size: 12px;
    font-weight: var(--gk-font-weight-bold);
    letter-spacing: 0.5px;
    text-transform: uppercase;
    margin-bottom: var(--gk-space-4);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.gk-cta__title {
    font-size: clamp(24px, 3vw, 36px);
    font-weight: var(--gk-font-weight-bold);
    line-height: 1.2;
    margin: 0 0 var(--gk-space-4);
    color: var(--gk-color-text-inverse);
}

.gk-cta__subtitle {
    font-size: clamp(15px, 1.4vw, 18px);
    line-height: 1.55;
    color: rgba(255, 255, 255, 0.85);
    margin: 0;
}

/* Кнопка-триггер */
.gk-cta__action {
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--gk-space-2);
    height: 56px;
    padding: 0 var(--gk-space-8);
    border-radius: var(--gk-radius-pill);
    background: var(--gk-color-surface);
    color: var(--gk-color-brand);
    font-size: 15px;
    font-weight: var(--gk-font-weight-bold);
    text-decoration: none;
    border: none;
    cursor: pointer;
    box-shadow: 0 8px 24px rgba(15, 23, 42, 0.25);
    transition: transform var(--gk-transition-default), box-shadow var(--gk-transition-default), gap var(--gk-transition-default);
    font-family: inherit;
}

.gk-cta__action:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 32px rgba(15, 23, 42, 0.35);
    gap: var(--gk-space-3);
    color: var(--gk-color-brand);
}

.gk-cta__action:active {
    transform: translateY(-1px);
}

.gk-cta__action svg {
    width: 18px;
    height: 18px;
    transition: transform var(--gk-transition-default);
}

.gk-cta__action:hover svg {
    transform: translateX(2px);
}


/* Адаптив */
@media (max-width: 800px) {
    .gk-cta {
        padding: var(--gk-space-10) var(--gk-space-6);
        margin: var(--gk-space-10) 0;
    }
    .gk-cta__inner {
        gap: var(--gk-space-6);
    }
    .gk-cta__action {
        width: 100%;
        height: 52px;
    }
}

@media (max-width: 600px) {
    .gk-cta__decor {
        opacity: 0.3;
    }
}