/* bio.css — Bio section with photo grid layout + curtain expand
   ═══════════════════════════════════════════════════════════════════════════
   CONTENTS:
   1. Contact link button
   2. Curtain expand (show/hide bio text)
   3. Photo grid layout
   4. Responsive (1024px, 768px, 480px)
   ═══════════════════════════════════════════════════════════════════════════ */


/* =============================================================================
   1. CONTACT LINK BUTTON
   ============================================================================= */

.bio-contact-link {
    display: inline-flex;
    align-items: center;
    margin-top: 14px;
    border: 0;
    padding: 12px 4px;
    min-height: 44px;
    font-family: var(--font-mono);
    font-size: var(--text-sm);
    font-weight: 700;
    letter-spacing: 0.8px;
    text-transform: uppercase;
    text-decoration: underline;
    text-underline-offset: 3px;
    color: var(--persimmon);
    background: transparent;
    cursor: pointer;
    transition: color 200ms ease;
}

.bio-photo-grid-copy .bio-contact-link {
    display: block;
    width: fit-content;
    margin-right: auto;
    text-align: left;
}

.bio-contact-link:hover {
    color: var(--charcoal);
}

.bio-contact-link:focus-visible {
    outline: 2px solid var(--persimmon);
    outline-offset: 2px;
}


/* =============================================================================
   2. CURTAIN EXPAND (show/hide bio text)
   ============================================================================= */

.bio-curtain-visible {
    position: relative;
}

.bio-curtain-fade {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 36px;
    background: linear-gradient(to bottom, transparent, var(--bone));
    pointer-events: none;
    transition: opacity 350ms ease;
    z-index: 1;
}

.bio-photo-grid-copy .bio-curtain-fade {
    display: none;
}

.bio-curtain-fade.is-hidden {
    opacity: 0;
}

.bio-expand-btn {
    display: inline-flex;
    align-items: center;
    border: 0;
    padding: 12px 4px;
    min-height: 44px;
    margin-top: 8px;
    font-family: var(--font-mono);
    font-size: var(--text-sm);
    font-weight: 700;
    letter-spacing: 0.8px;
    text-transform: uppercase;
    text-decoration: none;
    white-space: nowrap;
    color: var(--persimmon);
    background: transparent;
    cursor: pointer;
    transition: color 200ms ease;
}

@media (hover: hover) {
    .bio-expand-btn:hover {
        color: var(--charcoal);
    }
}

.bio-expand-btn:focus-visible {
    outline: 2px solid var(--persimmon);
    outline-offset: 2px;
}

.bio-expand-btn::after {
    content: ' +';
    font-weight: 400;
}

.bio-expand-btn.is-expanded::after {
    content: ' –';
}

.bio-curtain-hidden {
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transition: max-height 600ms cubic-bezier(0.25, 0.46, 0.45, 0.94),
                opacity 450ms ease 80ms;
}

.bio-curtain-hidden.is-expanded {
    max-height: 1200px;
    opacity: 1;
}

.bio-curtain-hidden p:first-child {
    margin-top: 12px;
}


/* =============================================================================
   3. PHOTO GRID LAYOUT
   ============================================================================= */

.bio-photo-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto;
    gap: 0;
    border: 0;
    border-top: 2px solid var(--charcoal);
    border-bottom: 2px solid var(--charcoal);
}

.bio-photo-grid-image {
    position: sticky;
    top: 0;
    align-self: start;
    overflow: hidden;
    background: var(--bone);
}

.bio-photo-grid-image img {
    width: 100%;
    height: auto;
    object-fit: contain;
    display: block;
}

.bio-photo-grid-image.photo-slot img {
    width: 100%;
    height: auto;
    object-fit: contain;
    object-position: center top;
}

.bio-photo-grid-copy {
    background: var(--bone);
    padding: var(--space-12) var(--space-10);
    display: flex;
    flex-direction: column;
    gap: 0;
    overflow: visible;
    min-height: 0;
    justify-content: flex-start;
}

.bio-photo-grid-copy h3 {
    font-size: 2.375rem;
    line-height: 1;
    text-transform: uppercase;
    max-width: 580px;
    color: var(--charcoal);
    margin-bottom: var(--space-5);
}

.bio-photo-grid-copy p {
    font-size: var(--font-size-body);
    line-height: 1.6;
    color: var(--charcoal);
    margin-bottom: 0;
    margin-top: 0;
    text-wrap: pretty;
}

.bio-photo-grid-copy p + p {
    margin-top: var(--component-gap);
}

.bio-photo-grid-copy .bio-expand-btn {
    margin-top: 16px;
}

.bio-photo-grid-copy .bio-contact-link {
    margin-top: 20px;
}

.bio-photo-grid-copy .bio-curtain-hidden {
    margin-top: 0;
}

.bio-photo-grid-copy .bio-curtain-hidden p:first-child {
    margin-top: 14px;
}

/* Variant: photo on right */
.bio-photo-grid.photo-right {
    grid-template-columns: 1fr 1fr;
}

.bio-photo-grid.photo-right .bio-photo-grid-image {
    order: 2;
}

.bio-photo-grid.photo-right .bio-photo-grid-copy {
    order: 1;
}

/* Variant: crisscross (currently used) */
.bio-photo-grid.bio-photo-grid-crisscross {
    grid-template-columns: minmax(340px, 0.92fr) minmax(460px, 1.08fr);
}

.bio-photo-grid.bio-photo-grid-crisscross .bio-photo-grid-image {
    padding: 0;
}

.bio-photo-grid.bio-photo-grid-crisscross .photo-slot img {
    filter: none;
}


/* =============================================================================
   4. RESPONSIVE (1024px, 768px, 480px)
   ============================================================================= */

/* -----------------------------------------------------------------------------
   4a. Tablet (≤1024px) — 2-col with adjusted ratios
   ----------------------------------------------------------------------------- */

@media (max-width: 1024px) {
    .bio-photo-grid,
    .bio-photo-grid.photo-right {
        grid-template-columns: 0.8fr 1.2fr;
        align-items: stretch;
    }

    .bio-photo-grid.bio-photo-grid-crisscross {
        grid-template-columns: 0.8fr 1.2fr;
    }

    .bio-photo-grid-image {
        align-self: stretch;
    }

    .bio-photo-grid-copy {
        padding: 40px 32px;
        margin-left: -1px;
        justify-content: center;
    }

    .bio-photo-grid-copy h3 {
        font-size: clamp(1.75rem, 3.5vw, 2.25rem);
        margin-bottom: 16px;
    }

    .bio-photo-grid-copy p {
        font-size: var(--font-size-nav);
        line-height: 1.6;
    }

    .bio-photo-grid-copy .bio-contact-link {
        color: var(--persimmon);
    }

    .bio-expand-btn,
    .bio-contact-link {
        min-height: 44px;
        padding: 12px 16px 12px 0;
        display: inline-flex;
        align-items: center;
        align-self: flex-start;
    }
}


/* -----------------------------------------------------------------------------
   4b. Mobile (≤768px) — single column stack
   ----------------------------------------------------------------------------- */

@media (max-width: 768px) {
    .bio-photo-grid,
    .bio-photo-grid.photo-right,
    .bio-photo-grid.bio-photo-grid-crisscross {
        grid-template-columns: 1fr;
    }

    .bio-photo-grid-image {
        position: relative;
        top: auto;
        align-self: start;
        height: auto;
        min-height: 0;
        background: transparent;
        overflow: hidden;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .bio-photo-grid.photo-right .bio-photo-grid-image {
        order: 0;
    }

    .bio-photo-grid.photo-right .bio-photo-grid-copy {
        order: 0;
    }

    .bio-photo-grid-image img {
        width: 100%;
        height: auto;
    }

    .bio-photo-grid-copy {
        padding: 30px 20px;
        padding-left: max(20px, env(safe-area-inset-left));
        padding-right: max(20px, env(safe-area-inset-right));
        justify-content: flex-start;
    }

    .bio-photo-grid-copy h3 {
        font-size: 1.75rem;
    }

    .bio-photo-grid-copy p {
        font-size: var(--font-size-body);
        line-height: 1.7;
        overflow-wrap: anywhere;
    }

    :where(body.palette-retro-warm) .bio-photo-grid-copy {
        background: var(--bone);
    }

    .bio-expand-btn {
        font-size: 1rem;
        padding: 12px 16px 12px 0;
        min-height: 48px;
        display: inline-flex;
        align-items: center;
        background: transparent;
        color: var(--persimmon);
        border: none;
        border-radius: 0;
        text-decoration: none;
        margin-top: 4px;
    }

    .bio-expand-btn::after {
        margin-left: 6px;
    }

    .bio-contact-link {
        font-size: 1rem;
        padding: 12px 16px 12px 0;
        min-height: 48px;
        display: inline-flex;
        align-items: center;
        background: transparent;
        color: var(--persimmon);
        border: none;
        border-radius: 0;
        text-decoration: underline;
        text-underline-offset: 3px;
        margin-top: 8px;
    }
}


/* -----------------------------------------------------------------------------
   4c. Small Mobile (≤480px)
   ----------------------------------------------------------------------------- */

@media (max-width: 480px) {
    .bio-photo-grid-copy {
        padding: 24px 18px 26px;
        padding-left: max(18px, env(safe-area-inset-left));
        padding-right: max(18px, env(safe-area-inset-right));
    }

    .bio-photo-grid-copy h3 {
        font-size: var(--text-2xl);
        margin-bottom: 12px;
    }

    .bio-photo-grid-copy p {
        font-size: var(--font-size-nav);
        line-height: 1.68;
    }

    .bio-photo-grid-copy p + p {
        margin-top: 16px;
    }
}