/* Browser frame / mockup cluster — shared proof blocks */

.bf-proof-strip {
    padding: 12px 0 28px;
}

.bf-proof-strip .container {
    max-width: min(920px, 100%);
}

.bf-proof-kicker {
    margin: 0 0 10px;
    font-size: 0.72rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--muted);
}

.bf-proof-title {
    margin: 0 0 8px;
    font-family: "Instrument Serif", serif;
    font-size: clamp(1.2rem, 2.5vw, 1.45rem);
    font-weight: 400;
    line-height: 1.2;
}

.bf-proof-lede {
    margin: 0 0 18px;
    font-size: 0.9rem;
    line-height: 1.6;
    color: var(--muted);
    max-width: 42rem;
}

/* Before → after (feature page): plain capture vs framed */
.bf-before-after {
    display: grid;
    gap: 14px;
    align-items: stretch;
}

.bf-before-after > * {
    min-width: 0;
}

@media (min-width: 720px) {
    .bf-before-after {
        grid-template-columns: 1fr auto 1fr;
        gap: 10px;
    }
}

.bf-stage {
    border-radius: 12px;
    border: 1px solid var(--border);
    background: var(--panel);
    overflow: hidden;
    min-height: 140px;
}

.bf-stage-label {
    padding: 8px 12px;
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--muted);
    border-bottom: 1px solid var(--border);
    background: rgba(234, 225, 221, 0.04);
}

.bf-plain-inner {
    padding: 18px 14px;
    min-height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.bf-plain-shot {
    width: 100%;
    max-width: 220px;
    height: 72px;
    border-radius: 6px;
    background: linear-gradient(145deg, #3a3f52, #2a2d3a);
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.06);
}

.bf-framed-inner {
    padding: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.bf-browser-chrome {
    width: 100%;
    max-width: 260px;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
}

.bf-chrome-bar {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 10px;
    background: linear-gradient(180deg, #3d4250, #323640);
    border-bottom: 1px solid #1e2128;
}

.bf-chrome-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #5c6370;
}

.bf-chrome-url {
    flex: 1;
    height: 18px;
    border-radius: 5px;
    background: #1e2128;
    opacity: 0.85;
}

.bf-chrome-body {
    height: 64px;
    background: linear-gradient(160deg, #2d3142, #252830);
}

.bf-arrow {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--muted);
    font-size: 1.35rem;
    padding: 8px 0;
}

@media (min-width: 720px) {
    .bf-arrow {
        padding: 0 4px;
        align-self: center;
    }
}

.bf-proof-caption {
    margin: 14px 0 0;
    font-size: 0.82rem;
    line-height: 1.55;
    color: var(--muted);
}

/* Guide page: where frames help */
.bf-where-grid {
    display: grid;
    gap: 12px;
    margin: 10px 0 4px;
}

@media (min-width: 640px) {
    .bf-where-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

.bf-where-card {
    padding: 14px 14px 16px;
    border-radius: 12px;
    border: 1px solid var(--border);
    background: rgba(234, 225, 221, 0.03);
    min-width: 0;
}

.bf-where-card h3 {
    margin: 0 0 8px;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text);
}

.bf-where-card p {
    margin: 0;
    font-size: 0.86rem;
    line-height: 1.55;
    color: var(--muted);
}