.proof-hero {
    padding: 36px 0 24px;
}

.proof-hero__inner {
    max-width: 860px;
}

.proof-hero__eyebrow {
    margin: 0 0 8px;
    color: var(--success-700);
    font-size: 12px;
    line-height: 16px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.proof-hero__title {
    margin-bottom: 16px;
    max-width: 760px;
}

.proof-hero__lede,
.proof-section-copy {
    color: var(--grey-700);
    font-size: 18px;
    line-height: 28px;
    max-width: 760px;
}

.proof-tool {
    padding: 0 0 72px;
}

.proof-tool__card {
    padding: 32px;
    background-color: var(--white);
    border: 1px solid var(--grey-200);
    border-radius: 20px;
    box-shadow: 0 8px 24px rgba(12, 12, 12, 0.04);
}

.proof-tabs {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px;
    margin-bottom: 24px;
    background-color: var(--grey-100);
    border-radius: 999px;
}

.proof-tabs__button {
    border: none;
    background-color: transparent;
    color: var(--grey-700);
    min-width: 120px;
    padding: 12px 18px;
    border-radius: 999px;
    font-size: 14px;
    line-height: 20px;
    font-weight: 700;
    cursor: pointer;
}

.proof-tabs__button.is-active {
    background-color: var(--dark);
    color: var(--white);
}

.proof-panel {
    display: none;
}

.proof-panel.is-active {
    display: block;
}

.proof-label {
    display: block;
    margin-bottom: 12px;
    color: var(--dark);
    font-size: 16px;
    line-height: 24px;
    font-weight: 700;
}

.proof-textarea {
    width: 100%;
    min-height: 320px;
    max-height: min(80vh, 760px);
    padding: 24px;
    border: 1px solid var(--grey-200);
    border-radius: 16px;
    background-color: var(--grey-50);
    color: var(--dark);
    font-family: 'Satoshi', sans-serif;
    font-size: 16px;
    line-height: 24px;
    resize: vertical;
    overflow-y: auto;
    box-sizing: border-box;
}

.proof-textarea:focus {
    outline: 2px solid var(--grey-300);
    border-color: var(--grey-300);
}

.proof-meta-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    margin-top: 12px;
}

.proof-counter,
.proof-privacy-note {
    color: var(--grey-700);
    font-size: 14px;
    line-height: 20px;
}

.proof-action {
    margin-top: 24px;
}

.proof-loading {
    margin-top: 16px;
    color: var(--grey-700);
    font-size: 14px;
    line-height: 20px;
    font-weight: 700;
}

.proof-result {
    margin-top: 24px;
}

.proof-card {
    padding: 24px;
    background-color: var(--white);
    border: 1px solid var(--grey-200);
    border-radius: 16px;
}

.proof-card--verified {
    background-color: var(--success-100);
    border-color: var(--success);
}

.proof-card--failed {
    background-color: var(--danger-200);
    border-color: var(--danger-400);
}

.proof-card__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 24px;
}

.proof-card__title-row {
    display: flex;
    align-items: center;
    gap: 12px;
}

.proof-card__icon {
    width: 40px;
    height: 40px;
    border-radius: 999px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background-color: var(--grey-100);
    color: var(--dark);
}

.proof-card__badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 6px 12px;
    border-radius: 999px;
    font-size: 12px;
    line-height: 16px;
    font-weight: 700;
    text-transform: uppercase;
}

.proof-card__badge.is-pending {
    background-color: var(--warning-300);
    color: var(--warning-700);
}

.proof-card__badge.is-confirmed,
.proof-card__badge.is-verified {
    background-color: var(--success-300);
    color: var(--success-700);
}

.proof-card__badge.is-failed {
    background-color: var(--danger-300);
    color: var(--danger-400);
}

.proof-card__rows {
    display: grid;
    gap: 16px;
}

.proof-card__row {
    display: grid;
    grid-template-columns: 220px 1fr auto;
    gap: 12px;
    align-items: center;
    padding-top: 16px;
    border-top: 1px solid var(--grey-200);
}

.proof-card__row:first-child {
    border-top: none;
    padding-top: 0;
}

.proof-card__label {
    color: var(--grey-700);
    font-size: 14px;
    line-height: 20px;
    font-weight: 700;
}

.proof-card__value {
    min-width: 0;
    color: var(--dark);
    font-size: 16px;
    line-height: 24px;
}

.proof-card__value--hash {
    font-family: 'Courier New', monospace;
    word-break: break-all;
}

.proof-card__helper {
    margin-top: 12px;
    color: var(--grey-700);
    font-size: 14px;
    line-height: 20px;
}

.proof-card__link,
.proof-card__button {
    text-decoration: none;
}

.proof-inline-banner {
    margin-bottom: 20px;
    padding: 16px 18px;
    border-radius: 12px;
    font-size: 14px;
    line-height: 20px;
}

.proof-inline-banner--warning {
    background-color: var(--warning-200);
    border: 1px solid var(--warning-700);
    color: var(--warning-700);
}

.proof-inline-banner--error {
    background-color: var(--danger-200);
    border: 1px solid var(--danger-400);
    color: var(--danger-400);
}

.proof-upload {
    position: relative;
    margin-top: 24px;
    padding: 24px;
    border: 1px dashed var(--grey-400);
    border-radius: 16px;
    background-color: var(--grey-50);
    text-align: center;
    cursor: pointer;
}

.proof-upload.is-dragover {
    border-color: var(--success);
    background-color: var(--success-100);
}

.proof-upload__input {
    position: absolute;
    inset: 0;
    opacity: 0;
    cursor: pointer;
}

.proof-upload__icon {
    width: 48px;
    height: 48px;
    margin: 0 auto 12px;
    border-radius: 999px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background-color: var(--white);
    color: var(--dark);
    border: 1px solid var(--grey-200);
}

.proof-upload__title {
    color: var(--dark);
    font-size: 16px;
    line-height: 24px;
    font-weight: 700;
}

.proof-upload__name {
    margin-top: 8px;
    color: var(--grey-700);
    font-size: 14px;
    line-height: 20px;
}

.proof-steps {
}

.proof-steps__grid {
    margin-top: 40px;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.proof-step-card {
    padding: 24px;
    background-color: var(--white);
    border: 1px solid var(--grey-200);
    border-radius: 16px;
}

.proof-step-card__number {
    display: inline-flex;
    width: 32px;
    height: 32px;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
    border-radius: 999px;
    background-color: var(--dark);
    color: var(--white);
    font-size: 14px;
    line-height: 20px;
    font-weight: 700;
}

.proof-faq__button {
    width: 100%;
    background: transparent;
    border: none;
    color: var(--dark);
    text-align: left;
    font-size: 20px;
    line-height: 30px;
    font-weight: 700;
    cursor: pointer;
}

.proof-faq__answer {
    margin-top: 12px;
}

.hidden {
    display: none !important;
}