.functional-page {
    --functional-ink: #0f172a;
    --functional-muted: #64748b;
    --functional-line: #dbe4ef;
    --functional-blue: #0d6efd;
    color: var(--functional-ink);
    overflow: hidden;
}

.functional-hero {
    position: relative;
    background:
        radial-gradient(circle at 88% 12%, rgba(13, 110, 253, 0.13), transparent 28rem),
        radial-gradient(circle at 8% 90%, rgba(25, 135, 84, 0.08), transparent 24rem);
}

.functional-hero h1 {
    letter-spacing: -0.045em;
}

.functional-trust-row {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.65rem 1.25rem;
}

.functional-window-wrap {
    padding: 1.25rem;
    background: linear-gradient(135deg, rgba(13, 110, 253, 0.08), rgba(255, 255, 255, 0.85));
    border: 1px solid rgba(13, 110, 253, 0.1);
    border-radius: 1.5rem;
}

.functional-demo-window {
    overflow: hidden;
    background: #fff;
    border: 1px solid var(--functional-line);
    border-radius: 1rem;
    box-shadow: 0 1.4rem 3.2rem rgba(15, 23, 42, 0.14);
    transition: transform 350ms ease, box-shadow 350ms ease;
}

.functional-window-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.85rem 1rem;
    background: #f8fafc;
    border-bottom: 1px solid var(--functional-line);
}

.functional-window-dots {
    display: flex;
    gap: 0.35rem;
}

.functional-window-dots span {
    width: 0.62rem;
    height: 0.62rem;
    border-radius: 50%;
    background: #dc3545;
}

.functional-window-dots span:nth-child(2) {
    background: #ffc107;
}

.functional-window-dots span:nth-child(3) {
    background: #198754;
}

.functional-kicker {
    display: block;
    margin-bottom: 0.45rem;
    color: var(--functional-blue);
    font-size: 0.75rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.functional-provider-switch {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    padding: 0.25rem;
    background: #f1f5f9;
    border-radius: 0.75rem;
}

.functional-provider-switch button {
    padding: 0.6rem 0.75rem;
    color: var(--functional-muted);
    font-size: 0.86rem;
    font-weight: 750;
    background: transparent;
    border: 0;
    border-radius: 0.6rem;
    transition: color 180ms ease, background-color 180ms ease, box-shadow 180ms ease;
}

.functional-provider-switch button.is-active {
    color: var(--functional-blue);
    background: #fff;
    box-shadow: 0 0.25rem 0.8rem rgba(15, 23, 42, 0.08);
}

.functional-summary-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.65rem;
}

.functional-summary-grid > div {
    min-width: 0;
    padding: 0.8rem;
    background: #f8fafc;
    border: 1px solid #eef2f7;
    border-radius: 0.75rem;
}

.functional-summary-grid span,
.functional-summary-grid strong {
    display: block;
}

.functional-summary-grid span {
    margin-bottom: 0.2rem;
    color: var(--functional-muted);
    font-size: 0.68rem;
}

.functional-summary-grid strong {
    overflow: hidden;
    font-size: 0.92rem;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.functional-payment-row {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.85rem 0;
    border-top: 1px solid #eef2f7;
}

.functional-payment-icon,
.functional-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 auto;
    color: var(--functional-blue);
    background: #e8f1ff;
}

.functional-payment-icon {
    width: 2.4rem;
    height: 2.4rem;
    border-radius: 0.7rem;
}

.functional-payment-icon.is-mint {
    color: #198754;
    background: #e8f7ef;
}

.functional-section-heading {
    max-width: 48rem;
}

.functional-section-heading h2,
.functional-final-cta h2 {
    letter-spacing: -0.035em;
}

.functional-feature-list {
    display: grid;
    gap: 1.5rem;
}

.functional-card {
    position: relative;
    display: grid;
    grid-template-columns: minmax(0, 1.15fr) minmax(18rem, 0.85fr);
    gap: clamp(1.5rem, 4vw, 3.5rem);
    align-items: start;
    padding: clamp(1.35rem, 3vw, 2.35rem);
    background: #fff;
    border: 1px solid var(--functional-line);
    border-radius: 1.15rem;
    box-shadow: 0 0.65rem 1.75rem rgba(15, 23, 42, 0.06);
    scroll-margin-top: 7rem;
    transition: transform 300ms ease, border-color 300ms ease, box-shadow 300ms ease;
}

.functional-card-number {
    position: absolute;
    top: 1rem;
    right: 1.15rem;
    color: #dbe4ef;
    font-size: 1.1rem;
    font-weight: 850;
}

.functional-card:focus-within {
    border-color: #86b7fe;
    box-shadow: 0 0 0 0.2rem rgba(13, 110, 253, 0.12), 0 1rem 2.4rem rgba(15, 23, 42, 0.08);
}

.functional-card-copy {
    min-width: 0;
}

.functional-card-copy p {
    margin-bottom: 0;
    color: var(--functional-muted);
}

.functional-card-copy h3 {
    padding-right: 2.5rem;
    letter-spacing: -0.025em;
}

.functional-copy-block {
    margin-top: 1.15rem;
}

.functional-copy-block > span,
.functional-scenario > span {
    display: block;
    margin-bottom: 0.35rem;
    color: var(--functional-blue);
    font-size: 0.72rem;
    font-weight: 850;
    letter-spacing: 0.085em;
    text-transform: uppercase;
}

.functional-scenario {
    margin-top: 1.25rem;
    padding: 1rem 1.1rem;
    background: #f8fafc;
    border-left: 3px solid #9ec5fe;
    border-radius: 0 0.75rem 0.75rem 0;
}

.functional-scenario > span {
    color: #526173;
}

.functional-detail-link {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    margin-top: 1.25rem;
    font-weight: 750;
    text-decoration: none;
}

.functional-detail-link:hover,
.functional-detail-link:focus-visible {
    text-decoration: underline;
    text-underline-offset: 0.2rem;
}

.functional-icon {
    width: 3rem;
    height: 3rem;
    margin-bottom: 1rem;
    border-radius: 0.85rem;
    font-size: 1.25rem;
}

.functional-icon.is-green {
    color: #198754;
    background: #e8f7ef;
}

.functional-icon.is-violet {
    color: #6f42c1;
    background: #f0eafd;
}

.functional-icon.is-orange {
    color: #b45309;
    background: #fff4df;
}

.functional-icon.is-cyan {
    color: #087990;
    background: #e7f8fb;
}

.functional-icon.is-red {
    color: #b02a37;
    background: #fdecef;
}

.functional-mini-panel {
    min-width: 0;
    align-self: center;
    padding: 1rem;
    background: #f8fafc;
    border: 1px solid #e9eff6;
    border-radius: 0.85rem;
}

.functional-mini-heading,
.functional-schedule-row,
.functional-live-summary,
.functional-token-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
}

.functional-mini-heading {
    padding-bottom: 0.65rem;
    font-size: 0.78rem;
    font-weight: 750;
}

.functional-schedule-row {
    padding: 0.65rem 0;
    border-top: 1px solid #e7edf4;
    font-size: 0.8rem;
}

.functional-live-summary {
    padding: 0.7rem 0.8rem;
    font-size: 0.76rem;
    font-weight: 750;
    background: #fff;
    border: 1px solid #e2e8f0;
    border-radius: 0.65rem;
}

.functional-attempt {
    display: grid;
    grid-template-columns: 2rem minmax(0, 1fr);
    gap: 0.65rem;
    align-items: center;
    padding: 0.6rem 0;
}

.functional-attempt > span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    color: #b45309;
    background: #fff4df;
    border-radius: 50%;
}

.functional-attempt > span.is-complete {
    color: #198754;
    background: #e8f7ef;
}

.functional-attempt strong,
.functional-attempt small,
.functional-token-row small,
.functional-token-row strong {
    display: block;
}

.functional-attempt strong,
.functional-token-row strong {
    font-size: 0.8rem;
}

.functional-attempt small,
.functional-token-row small {
    color: var(--functional-muted);
    font-size: 0.68rem;
}

.functional-token-row {
    padding: 0.65rem 0;
    border-bottom: 1px solid #e7edf4;
}

.functional-token-row + a {
    display: inline-block;
    margin-top: 0.85rem;
}

.functional-change-section,
.functional-faq-section {
    background: #f8fafc;
    border-top: 1px solid #edf2f7;
    border-bottom: 1px solid #edf2f7;
}

.functional-change-card {
    padding: clamp(1.4rem, 3vw, 2.25rem);
    background: #fff;
    border: 1px solid var(--functional-line);
    border-radius: 1.15rem;
    box-shadow: 0 0.65rem 1.75rem rgba(15, 23, 42, 0.05);
}

.functional-change-card--platform {
    border-color: #b8d9c7;
    background: linear-gradient(145deg, #ffffff 0%, #f1fbf5 100%);
}

.functional-change-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 3rem;
    height: 3rem;
    margin-bottom: 1rem;
    color: #6c757d;
    background: #eef1f4;
    border-radius: 0.85rem;
    font-size: 1.2rem;
}

.functional-change-card--platform .functional-change-icon {
    color: #146c43;
    background: #dff3e7;
}

.functional-check-list {
    display: grid;
    gap: 0.8rem;
    margin: 1.25rem 0 0;
    padding: 0;
    list-style: none;
}

.functional-check-list li {
    position: relative;
    padding-left: 1.75rem;
    color: #334155;
}

.functional-check-list li::before {
    position: absolute;
    top: 0.08rem;
    left: 0;
    color: #198754;
    font-family: "bootstrap-icons";
    content: "\f26a";
}

.functional-check-list--muted li::before {
    color: #7b8794;
    content: "\f62a";
}

.functional-boundary-card {
    display: flex;
    gap: 1rem;
    padding: 1.4rem;
    background: #fff;
    border: 1px solid var(--functional-line);
    border-radius: 1rem;
}

.functional-boundary-card > span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 auto;
    width: 2.75rem;
    height: 2.75rem;
    color: #b02a37;
    background: #fdecef;
    border-radius: 0.75rem;
}

.functional-boundary-card p {
    margin-bottom: 0;
    color: var(--functional-muted);
}

.functional-faq {
    max-width: 58rem;
}

.functional-faq .accordion-item {
    overflow: hidden;
    margin-bottom: 0.75rem;
    background: #fff;
    border: 1px solid var(--functional-line);
    border-radius: 0.85rem;
}

.functional-faq .accordion-button {
    padding: 1.1rem 1.25rem;
    font-weight: 750;
    background: #fff;
}

.functional-faq .accordion-button:not(.collapsed) {
    color: #0b4da2;
    background: #edf5ff;
    box-shadow: none;
}

.functional-faq .accordion-body {
    color: var(--functional-muted);
}

.functional-final-cta {
    position: relative;
    padding: clamp(2rem, 5vw, 4rem);
    overflow: hidden;
    background: linear-gradient(135deg, #eef5ff 0%, #ffffff 55%, #eaf8f1 100%);
    border: 1px solid #dbe7f5;
    border-radius: 1.5rem;
}

.functional-final-cta p {
    max-width: 43rem;
}

@media (prefers-reduced-motion: no-preference) and (hover: hover) {
    .functional-demo-window:hover {
        transform: scale(1.025);
        box-shadow: 0 1.8rem 4rem rgba(15, 23, 42, 0.18);
    }

    .functional-card:hover {
        transform: scale(1.018);
        border-color: #b8d2f8;
        box-shadow: 0 1.25rem 2.8rem rgba(15, 23, 42, 0.1);
    }
}

@media (max-width: 991.98px) {
    .functional-card {
        grid-template-columns: 1fr;
    }

    .functional-mini-panel {
        width: 100%;
    }
}

@media (max-width: 991.98px) {
    .functional-hero h1 {
        font-size: clamp(2.55rem, 8vw, 4.5rem);
    }
}

@media (max-width: 575.98px) {
    .functional-window-wrap {
        padding: 0.65rem;
        border-radius: 1.1rem;
    }

    .functional-demo-window > .p-4 {
        padding: 1rem !important;
    }

    .functional-summary-grid {
        grid-template-columns: 1fr 1fr;
    }

    .functional-summary-grid > div:last-child {
        grid-column: 1 / -1;
    }

    .functional-card {
        padding: 1rem;
    }

    .functional-card-copy h3 {
        padding-right: 2rem;
    }

    .functional-boundary-card {
        padding: 1.1rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    .functional-demo-window,
    .functional-card,
    .functional-provider-switch button {
        transition: none;
    }
}