.support-page {
    min-height: 100vh;
}

.support-shell {
    position: relative;
    z-index: 1;
    width: min(1180px, calc(100% - 32px));
    margin: 0 auto;
    padding: 44px 0 36px;
}

.support-layout {
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(360px, 440px);
    gap: 26px;
    align-items: start;
}

.support-copy,
.support-card {
    background: rgba(15, 23, 42, 0.78);
    border: 1px solid rgba(148, 163, 184, 0.14);
    border-radius: 32px;
    box-shadow: var(--shadow);
    backdrop-filter: blur(20px);
}

.support-copy {
    padding: 34px;
}

.support-card {
    padding: 28px;
}

.support-back {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: #bfdbfe;
    text-decoration: none;
    font-weight: 600;
    margin-bottom: 24px;
}

.support-back:hover,
.support-back:focus-visible {
    text-decoration: underline;
    outline: none;
}

.support-brand {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 24px;
}

.support-brand img {
    width: 84px;
    height: 84px;
    object-fit: contain;
    padding: 10px;
    border-radius: 24px;
    background: rgba(15, 23, 42, 0.92);
    border: 1px solid rgba(148, 163, 184, 0.14);
}

.support-title {
    font-size: clamp(2.2rem, 3.6vw, 4rem);
    line-height: 1.02;
    letter-spacing: -0.05em;
    margin-bottom: 18px;
    max-width: 14ch;
}

.support-text {
    color: var(--ink-soft);
    font-size: 1.05rem;
    line-height: 1.85;
    margin-bottom: 26px;
    max-width: 65ch;
}

.support-points {
    display: grid;
    gap: 14px;
}

.support-point {
    display: grid;
    gap: 6px;
    padding: 18px 20px;
    border-radius: 22px;
    background: rgba(15, 23, 42, 0.7);
    border: 1px solid rgba(148, 163, 184, 0.12);
}

.support-point strong {
    color: var(--ink);
    font-size: 0.96rem;
}

.support-point span {
    color: var(--ink-soft);
    line-height: 1.7;
}

.support-card__header {
    margin-bottom: 22px;
}

.support-card__title {
    font-size: 1.8rem;
    line-height: 1.16;
    letter-spacing: -0.04em;
    margin-bottom: 10px;
}

.support-card__text,
.support-legal {
    color: var(--ink-soft);
    line-height: 1.7;
}

.support-notice {
    margin-bottom: 16px;
    padding: 14px 16px;
    border-radius: 18px;
    border: 1px solid rgba(148, 163, 184, 0.16);
    line-height: 1.7;
}

.support-notice[data-tone="success"] {
    background: rgba(59, 130, 246, 0.12);
    border-color: rgba(96, 165, 250, 0.26);
    color: #bfdbfe;
}

.support-notice[data-tone="error"] {
    background: rgba(239, 68, 68, 0.12);
    border-color: rgba(248, 113, 113, 0.2);
    color: #fecaca;
}

.support-notice[data-tone="info"] {
    background: rgba(148, 163, 184, 0.08);
    color: #dbeafe;
}

.support-form {
    display: grid;
    gap: 16px;
}

.support-amounts {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
}

.support-amount {
    min-height: 52px;
    border-radius: 16px;
    border: 1px solid rgba(148, 163, 184, 0.16);
    background: rgba(15, 23, 42, 0.82);
    color: #e2e8f0;
    font-weight: 700;
    cursor: pointer;
    transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.support-amount:hover,
.support-amount:focus-visible,
.support-amount.is-active {
    transform: translateY(-1px);
    border-color: rgba(96, 165, 250, 0.4);
    background: rgba(59, 130, 246, 0.14);
    outline: none;
}

.support-field {
    display: grid;
    gap: 8px;
}

.support-field span {
    color: #cbd5e1;
    font-size: 0.92rem;
    font-weight: 600;
}

.support-field input,
.support-field textarea {
    width: 100%;
    min-height: 56px;
    padding: 0 16px;
    border-radius: 16px;
    border: 1px solid rgba(148, 163, 184, 0.16);
    background: rgba(15, 23, 42, 0.82);
    color: #f8fafc;
    font-family: inherit;
    font-size: 1rem;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.support-field textarea {
    min-height: 124px;
    padding-top: 14px;
    resize: vertical;
}

.support-field input:focus,
.support-field textarea:focus {
    border-color: rgba(96, 165, 250, 0.42);
    box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.14);
    outline: none;
}

.support-submit {
    width: 100%;
}

.support-legal {
    margin-top: 18px;
    font-size: 0.92rem;
}

@media (max-width: 960px) {
    .support-layout {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 720px) {
    .support-shell {
        width: min(100% - 20px, 1180px);
        padding-top: 22px;
        padding-bottom: 24px;
    }

    .support-copy,
    .support-card {
        padding: 24px 20px;
        border-radius: 24px;
    }

    .support-brand {
        align-items: flex-start;
        flex-direction: column;
    }

    .support-brand img {
        width: 76px;
        height: 76px;
    }
}

@media (max-width: 520px) {
    .support-amounts {
        grid-template-columns: 1fr;
    }
}