.fontish-pairing-formula {
    --fpf-accent: #6a5acd;
    --fpf-result-bg: #f3f0ff;
    --fpf-font-bg: #fff;
    --fpf-operator-bg: #fff;
    --fpf-deep: #25184a;
    --fpf-text: #2e2e3a;
    --fpf-muted: #625f70;
    --fpf-border: #ded9ee;
    --fpf-radius: 22px;
    margin: 48px 0;
    color: var(--fpf-text);
}

.fontish-pairing-formula__heading {
    margin: 0 0 24px;
    color: var(--fpf-deep);
    font-family: "Playfair Display", Georgia, serif;
    font-size: clamp(1.5rem, 3vw, 2rem);
    line-height: 1.2;
}

.fontish-pairing-formula__equation {
    position: relative;
    display: grid;
    gap: 18px;
}

.fontish-pairing-formula__fonts {
    position: relative;
    display: grid;
    grid-template-columns: minmax(0, 1fr) 64px minmax(0, 1fr);
    align-items: stretch;
    gap: 18px;
}

.fontish-pairing-formula__card {
    position: relative;
    display: flex;
    min-width: 0;
    flex-direction: column;
    justify-content: center;
    overflow: hidden;
    border: 1px solid var(--fpf-border);
    border-radius: var(--fpf-radius);
    box-shadow: 0 14px 34px rgba(37, 24, 74, .08);
}

.fontish-pairing-formula--padding-compact .fontish-pairing-formula__card { padding: 24px; }
.fontish-pairing-formula--padding-comfortable .fontish-pairing-formula__card { padding: 32px; }
.fontish-pairing-formula--padding-spacious .fontish-pairing-formula__card { padding: 42px; }

.fontish-pairing-formula__card--font {
    min-height: 250px;
    background: var(--fpf-font-bg);
}

.fontish-pairing-formula__card--font::before {
    position: absolute;
    top: 0;
    right: 0;
    left: 0;
    height: 5px;
    background: var(--fpf-accent);
    content: "";
}

.fontish-pairing-formula__card--result {
    min-height: 280px;
    align-items: center;
    border-color: color-mix(in srgb, var(--fpf-accent) 38%, white);
    background:
        radial-gradient(circle at 100% 0, color-mix(in srgb, var(--fpf-accent) 17%, transparent), transparent 38%),
        linear-gradient(135deg, color-mix(in srgb, var(--fpf-result-bg) 90%, white), var(--fpf-result-bg));
    text-align: center;
}

.fontish-pairing-formula__card--result::before {
    position: absolute;
    inset: 0 auto 0 0;
    width: 6px;
    background: var(--fpf-accent);
    content: "";
}

.fontish-pairing-formula__eyebrow {
    display: inline-flex;
    align-self: flex-start;
    margin-bottom: 20px;
    padding: 7px 11px;
    border: 1px solid color-mix(in srgb, var(--fpf-accent) 24%, white);
    border-radius: 999px;
    background: color-mix(in srgb, var(--fpf-accent) 9%, white);
    color: var(--fpf-accent);
    font-family: Inter, system-ui, sans-serif;
    font-size: .72rem;
    font-weight: 750;
    line-height: 1;
    letter-spacing: .09em;
    text-transform: uppercase;
}

.fontish-pairing-formula__card--result .fontish-pairing-formula__eyebrow { align-self: center; }

.fontish-pairing-formula__specimen,
.fontish-pairing-formula__result-title {
    word-break: normal;
    overflow-wrap: normal;
    hyphens: none;
}

.fontish-pairing-formula__specimen {
    margin: 0 0 12px;
    color: var(--fpf-deep);
    line-height: 1.08;
}

.fontish-pairing-formula__role,
.fontish-pairing-formula__use,
.fontish-pairing-formula__result-description {
    margin: 0;
    font-family: Inter, system-ui, sans-serif;
}

.fontish-pairing-formula__role {
    color: var(--fpf-text);
    font-size: 1rem;
    font-weight: 700;
    line-height: 1.4;
}

.fontish-pairing-formula__use {
    align-self: flex-start;
    margin-top: 14px;
    padding: 8px 12px;
    border-radius: 10px;
    background: color-mix(in srgb, var(--fpf-accent) 9%, white);
    color: var(--fpf-accent);
    font-size: .86rem;
    font-weight: 650;
    line-height: 1.35;
}

.fontish-pairing-formula__operator {
    z-index: 2;
    display: grid;
    width: 54px;
    height: 54px;
    place-items: center;
    align-self: center;
    justify-self: center;
    border: 1px solid var(--fpf-border);
    border-radius: 50%;
    background: var(--fpf-operator-bg);
    box-shadow: 0 8px 20px rgba(37, 24, 74, .1);
    color: var(--fpf-accent);
    font-family: Inter, system-ui, sans-serif;
    font-size: 2rem;
    font-weight: 800;
    line-height: 1;
}

.fontish-pairing-formula--outcome .fontish-pairing-formula__operator--equals {
    margin: -4px auto -4px;
}

.fontish-pairing-formula--outcome .fontish-pairing-formula__equation.has-connector::after {
    position: absolute;
    z-index: 0;
    top: calc(50% - 28px);
    bottom: calc(280px - 34px);
    left: 50%;
    width: 2px;
    background: linear-gradient(var(--fpf-border), var(--fpf-accent));
    content: "";
    transform: translateX(-50%);
}

.fontish-pairing-formula__result-title {
    max-width: 900px;
    margin: 0 auto;
    color: var(--fpf-deep);
    line-height: 1.12;
    letter-spacing: -.025em;
}

.fontish-pairing-formula__result-description {
    max-width: 760px;
    margin: 14px auto 0;
    color: var(--fpf-muted);
    font-size: 1rem;
    line-height: 1.6;
}

.fontish-pairing-formula__summary {
    display: grid;
    width: min(100%, 820px);
    grid-template-columns: repeat(3, minmax(0, 1fr));
    margin-top: 28px;
    overflow: hidden;
    border: 1px solid color-mix(in srgb, var(--fpf-accent) 22%, white);
    border-radius: 14px;
    background: rgba(255, 255, 255, .66);
}

.fontish-pairing-formula__summary-item {
    display: flex;
    min-width: 0;
    flex-direction: column;
    gap: 5px;
    padding: 16px 18px;
}

.fontish-pairing-formula__summary-item + .fontish-pairing-formula__summary-item { border-left: 1px solid var(--fpf-border); }
.fontish-pairing-formula__summary-item span { color: var(--fpf-muted); font: 700 .7rem/1.2 Inter, system-ui, sans-serif; letter-spacing: .08em; text-transform: uppercase; }
.fontish-pairing-formula__summary-item strong { color: var(--fpf-deep); font: 700 .94rem/1.35 Inter, system-ui, sans-serif; }

/* Optional legacy horizontal layout. */
.fontish-pairing-formula--classic .fontish-pairing-formula__equation {
    grid-template-columns: minmax(0, 1fr) 54px minmax(0, 1fr) 54px minmax(0, 1.15fr);
    align-items: stretch;
}
.fontish-pairing-formula--classic .fontish-pairing-formula__fonts { display: contents; }
.fontish-pairing-formula--classic .fontish-pairing-formula__operator--equals { align-self: center; }
.fontish-pairing-formula--classic .fontish-pairing-formula__card--result { min-height: 250px; }
.fontish-pairing-formula--classic .fontish-pairing-formula__summary { grid-template-columns: 1fr; }
.fontish-pairing-formula--classic .fontish-pairing-formula__summary-item + .fontish-pairing-formula__summary-item { border-top: 1px solid var(--fpf-border); border-left: 0; }

@media (max-width: 760px) {
    .fontish-pairing-formula { margin: 36px 0; }
    .fontish-pairing-formula__fonts,
    .fontish-pairing-formula--classic .fontish-pairing-formula__equation {
        display: grid;
        grid-template-columns: 1fr;
        gap: 14px;
    }
    .fontish-pairing-formula--classic .fontish-pairing-formula__fonts { display: grid; }
    .fontish-pairing-formula__card { min-height: 0; padding: 26px 22px; }
    .fontish-pairing-formula__card--font { min-height: 220px; }
    .fontish-pairing-formula__card--result { min-height: 250px; }
    .fontish-pairing-formula__operator { width: 48px; height: 48px; font-size: 1.75rem; }
    .fontish-pairing-formula__summary { grid-template-columns: 1fr; }
    .fontish-pairing-formula__summary-item + .fontish-pairing-formula__summary-item { border-top: 1px solid var(--fpf-border); border-left: 0; }
    .fontish-pairing-formula--outcome .fontish-pairing-formula__equation.has-connector::after { display: none; }
}

@media (prefers-reduced-motion: reduce) {
    .fontish-pairing-formula * { scroll-behavior: auto; }
}