/* ============================================================
   INTRO — hero "stage" (type-only) y bandas de apertura internas
   ============================================================ */

:root {
    --header-h: 4.5rem;
}

/* ---- stage (hero de portada, sin foto) ---- */
.stage {
    position: relative;
    overflow: hidden;
    padding-top: calc(var(--header-h) + var(--space-xl));
    padding-bottom: var(--space-2xl);
    background: radial-gradient(ellipse at 20% -10%, var(--color-panel) 0%, var(--color-midnight) 55%);
}

.stage-backdrop {
    position: absolute;
    inset: 0;
    z-index: 0;
    clip-path: polygon(58% 0, 100% 0, 100% 100%, 82% 100%);
    background: linear-gradient(160deg, rgba(255, 178, 62, 0.16), rgba(224, 138, 0, 0.02) 60%);
    pointer-events: none;
}

.stage-backdrop::after {
    content: '';
    position: absolute;
    top: 8%;
    right: 6%;
    width: 22rem;
    height: 22rem;
    border-radius: 50%;
    background: var(--color-amber);
    opacity: 0.16;
    filter: blur(90px);
}

.stage-inner {
    position: relative;
    z-index: 1;
}

.stage-eyebrow {
    color: var(--color-amber);
}

.stage-title {
    margin-top: var(--space-sm);
    max-width: 20ch;
}

.stage-copy {
    margin-top: var(--space-md);
}

.stage-cta {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: var(--space-lg);
}

.stage-cta-center {
    justify-content: center;
}

.stage-metrics {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(9.5rem, 1fr));
    gap: var(--space-md);
    margin-top: var(--space-2xl);
    padding-top: var(--space-lg);
    border-top: 2px dotted var(--color-line);
}

.stage-metric-value {
    display: block;
    font-family: var(--font-display);
    font-size: clamp(2rem, 3vw + 1rem, 3.25rem);
    font-weight: 800;
    color: var(--color-amber);
    line-height: 1;
}

.stage-metric-label {
    display: block;
    margin-top: 0.6rem;
    font-size: 0.8125rem;
    color: var(--color-text-muted);
    max-width: 16ch;
}

/* ---- banda de apertura de paginas internas ---- */
.page-intro {
    position: relative;
    overflow: hidden;
    padding-top: calc(var(--header-h) + var(--space-lg));
    padding-bottom: var(--space-xl);
    background: var(--color-midnight);
}

.page-intro-slice {
    position: absolute;
    inset: 0;
    z-index: 0;
    clip-path: polygon(0 0, 38% 0, 18% 100%, 0 100%);
    background: var(--color-panel);
    opacity: 0.6;
    pointer-events: none;
}

.page-intro-inner {
    position: relative;
    z-index: 1;
    max-width: 46rem;
}

.page-intro-title {
    margin-top: var(--space-2xs);
}

.page-intro-copy {
    margin-top: var(--space-sm);
}

/* ---- corte: costura diagonal entre secciones ---- */
.corte {
    position: relative;
    height: 4.5rem;
    margin-bottom: -1px;
}

.corte-panel {
    background: var(--color-panel);
    clip-path: polygon(0 100%, 100% 40%, 100% 100%);
}

.corte-deep {
    background: var(--color-midnight-deep);
    clip-path: polygon(0 40%, 100% 100%, 0 100%);
}

.corte-inv {
    background: var(--color-inv-bg);
    clip-path: polygon(0 100%, 100% 55%, 100% 100%);
}

@media (min-width: 768px) {
    .stage-title {
        max-width: 17ch;
    }

    .corte {
        height: 6rem;
    }
}

@media (min-width: 1280px) {
    .stage-metrics {
        grid-template-columns: repeat(4, 1fr);
    }
}