.download {
    position: relative;
    margin: 60px 0 50px;
    padding: 32px 32px 30px;
    border-radius: 32px;
    border: 1px solid var(--border);
    background: linear-gradient(135deg, rgba(51, 183, 255, 0.15), rgba(7, 24, 51, 0.9));
    box-shadow: var(--shadow);
    overflow: hidden;
}

.download__bg-decoration {
    position: absolute;
    top: -40%;
    right: -15%;
    width: 420px;
    height: 420px;
    background: radial-gradient(circle, rgba(51, 183, 255, 0.2), transparent 70%);
    border-radius: 50%;
    pointer-events: none;
    animation: download-float 18s ease-in-out infinite;
}

@keyframes download-float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(-20px, -20px) scale(1.05); }
}

.download__inner {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.9fr);
    gap: 28px;
    align-items: center;
}

.download__text h2 {
    font-size: clamp(32px, 4vw, 40px);
    margin-bottom: 16px;
}

.download__text p {
    color: var(--text-muted);
}

.download__subtitle {
    margin-top: 10px;
    font-size: 15px;
    max-width: 520px;
}

.download__text p + p {
    margin-top: 10px;
}

.download__hint {
    margin-top: 18px;
    font-size: 14px;
    color: var(--accent-2);
}

.download__control {
    justify-self: end;
    text-decoration: none;
}

.download-toggle {
    position: relative;
    display: inline-flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    cursor: pointer;
    user-select: none;
}

.download-toggle__input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.download-toggle__circle {
    position: relative;
    width: 210px;
    height: 52px;
    border-radius: 999px;
    background: radial-gradient(circle at top left, rgba(124, 255, 213, 0.4), transparent 60%),
        linear-gradient(120deg, rgba(51, 183, 255, 1), rgba(124, 255, 213, 1));
    box-shadow: 0 16px 32px rgba(51, 183, 255, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.download-toggle__square {
    position: absolute;
    inset: 2px;
    border-radius: inherit;
    background: radial-gradient(circle at top, rgba(255, 255, 255, 0.16), transparent 65%);
    opacity: 0;
    transform: scale(0.7);
    transition: opacity 0.4s ease, transform 0.4s ease;
}

.download-toggle__label {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    color: #001025;
}

.download-toggle__label span {
    font-size: 15px;
}

.download-toggle__spinner {
    width: 18px;
    height: 18px;
    border-radius: 999px;
    border: 2px solid rgba(0, 16, 37, 0.2);
    border-top-color: rgba(0, 16, 37, 0.9);
    animation: spin 1s linear infinite;
    opacity: 0;
    transform: scale(0.4);
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.download-toggle__check {
    width: 18px;
    height: 18px;
    border-radius: 999px;
    border: 2px solid rgba(0, 16, 37, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transform: scale(0.6);
    transition: opacity 0.3s ease 0.1s, transform 0.3s ease 0.1s;
}

.download-toggle__check svg {
    width: 11px;
    height: 11px;
}

.download-toggle__title {
    font-size: 13px;
    color: var(--text-muted);
}

.download-toggle__title span + span {
    display: none;
}

.download-toggle__wave {
    position: absolute;
    inset: -40%;
    background: conic-gradient(from 120deg, rgba(124, 255, 213, 0.25), transparent 40%, rgba(51, 183, 255, 0.3), transparent 80%, rgba(124, 255, 213, 0.25));
    opacity: 0;
    transform: scale(0.5);
    transition: opacity 0.45s ease, transform 0.45s ease;
    pointer-events: none;
}

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

/* Состояния при нажатии */
.download-toggle--loading .download-toggle__square {
    opacity: 1;
    transform: scale(1);
}

.download-toggle--loading .download-toggle__spinner {
    opacity: 1;
    transform: scale(1);
}

/* Класс завершения можно будет навесить из JS при желании */
.download-toggle--done .download-toggle__spinner {
    opacity: 0;
}

.download-toggle--done .download-toggle__check {
    opacity: 1;
    transform: scale(1);
}

.download-toggle--done .download-toggle__wave {
    opacity: 1;
    transform: scale(1);
}

.download-toggle--done .download-toggle__title span:first-child {
    display: none;
}

.download-toggle--done .download-toggle__title span:last-child {
    display: inline;
}

@media (max-width: 900px) {
    .download {
        padding: 24px 20px 24px;
        margin: 60px 0 40px;
    }

    .download__bg-decoration {
        width: 320px;
        height: 320px;
        top: -30%;
        right: -20%;
    }

    .download__inner {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .download__control {
        justify-self: flex-start;
    }
}

/* Oferta block */
.oferta {
    margin: 40px 0 20px;
    padding: 20px 24px;
    border-radius: 20px;
    border: 1px solid var(--border);
    background: rgba(4, 10, 28, 0.6);
    backdrop-filter: blur(8px);
}

.oferta__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.oferta__text {
    flex: 1;
}

.oferta__label {
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 4px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.oferta__description {
    font-size: 14px;
    color: var(--text-primary);
    margin: 0;
}

.oferta__link {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    border-radius: 12px;
    background: rgba(51, 183, 255, 0.1);
    border: 1px solid rgba(51, 183, 255, 0.3);
    color: var(--accent);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s ease;
    white-space: nowrap;
    flex-shrink: 0;
}

.oferta__link svg {
    width: 18px;
    height: 18px;
    transition: transform 0.3s ease;
}

.oferta__link:hover {
    background: rgba(51, 183, 255, 0.2);
    border-color: var(--accent);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(51, 183, 255, 0.3);
}

.oferta__link:hover svg {
    transform: translateY(2px);
}

@media (max-width: 768px) {
    .oferta {
        padding: 16px 18px;
        margin: 30px 0 15px;
    }

    .oferta__inner {
        flex-direction: column;
        align-items: flex-start;
        gap: 14px;
    }

    .oferta__link {
        width: 100%;
        justify-content: center;
    }

    .oferta__label {
        font-size: 12px;
    }

    .oferta__description {
        font-size: 13px;
    }
}