/* ==========================================================================
   Signal Bleed — CRT Monitor Wall
   Dense grid of CRT monitors with bezels, scanlines, glitch effects
   ========================================================================== */

/* --- Section --- */
.signal-bleed {
    position: relative;
    padding: var(--space-6) 0;
    overflow: hidden;
    background: #0a0a0e;
}

/* Ambient monitor glow on the wall */
.signal-bleed::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 30% 40%, rgba(222, 8, 22, 0.07) 0%, transparent 50%),
        radial-gradient(ellipse at 70% 60%, rgba(174, 204, 50, 0.05) 0%, transparent 45%);
    pointer-events: none;
    z-index: 0;
}

/* --- Title: vertical mono label like a channel indicator --- */
.signal-bleed__title {
    position: absolute;
    left: 6px;
    top: 50%;
    transform: rotate(-90deg) translateX(-50%);
    transform-origin: left center;
    font-family: var(--font-mono);
    font-size: 0.65rem;
    font-weight: 500;
    letter-spacing: 4px;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.2);
    white-space: nowrap;
    z-index: 5;
    pointer-events: none;
    margin: 0;
}

/* --- Field: dense grid of monitors --- */
.signal-bleed__field {
    position: relative;
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 var(--space-6);
    z-index: 1;
    display: grid;
    gap: 6px;
}

/* Grid layouts per fragment count */
.signal-bleed[data-fragment-count="1"] .signal-bleed__field {
    grid-template-columns: 1fr;
    max-width: 800px;
}

.signal-bleed[data-fragment-count="2"] .signal-bleed__field {
    grid-template-columns: 1.3fr 1fr;
    grid-template-rows: auto;
}

.signal-bleed[data-fragment-count="3"] .signal-bleed__field {
    grid-template-columns: 1.4fr 1fr;
    grid-template-rows: 1fr 1fr;
}

.signal-bleed[data-fragment-count="4"] .signal-bleed__field {
    grid-template-columns: 1.2fr 1fr;
    grid-template-rows: 1fr 1fr;
}

/* Fragment grid placement — 3 images */
.signal-bleed[data-fragment-count="3"] .signal-bleed__fragment[data-index="0"] {
    grid-row: 1 / 3;
}

/* --- Fragment: each CRT monitor --- */
.signal-bleed__fragment {
    position: relative;
    overflow: hidden;
    border-radius: 3px;
    /* CRT bezel */
    background: #111116;
    padding: 5px;
    /* Entry state */
    opacity: 0;
    transform: translateY(30px);
    transition:
        opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1),
        transform 0.7s cubic-bezier(0.16, 1, 0.3, 1),
        filter 0.35s ease;
    will-change: transform, opacity, filter;
}

/* The screen area inside the bezel */
.signal-bleed__fragment > .signal-bleed__img {
    display: block;
    width: 100%;
    aspect-ratio: 16 / 10;
    object-fit: cover;
    border-radius: 2px;
    /* Vignette baked onto the image */
    box-shadow:
        inset 0 0 50px 10px rgba(0, 0, 0, 0.45),
        inset 0 0 120px 30px rgba(0, 0, 0, 0.2);
}

/* Vary aspect ratios for visual interest */
.signal-bleed[data-fragment-count="2"] .signal-bleed__fragment[data-index="1"] .signal-bleed__img {
    aspect-ratio: 4 / 3;
}
.signal-bleed[data-fragment-count="3"] .signal-bleed__fragment[data-index="0"] .signal-bleed__img {
    aspect-ratio: auto;
    height: 100%;
}
.signal-bleed[data-fragment-count="3"] .signal-bleed__fragment[data-index="1"] .signal-bleed__img {
    aspect-ratio: 16 / 9;
}
.signal-bleed[data-fragment-count="3"] .signal-bleed__fragment[data-index="2"] .signal-bleed__img {
    aspect-ratio: 16 / 9;
}
.signal-bleed[data-fragment-count="4"] .signal-bleed__fragment .signal-bleed__img {
    aspect-ratio: 16 / 10;
}

/* Red signal line — thin border glow around the screen */
.signal-bleed__fragment::before {
    content: '';
    position: absolute;
    inset: 4px;
    z-index: 2;
    border-radius: 2px;
    border: 1px solid rgba(222, 8, 22, 0.15);
    /* Scanlines */
    background: repeating-linear-gradient(
        0deg,
        transparent,
        transparent 2px,
        rgba(0, 0, 0, 0.15) 2px,
        rgba(0, 0, 0, 0.15) 4px
    );
    pointer-events: none;
}

/* Chromatic aberration at screen edges */
.signal-bleed__fragment::after {
    content: '';
    position: absolute;
    inset: 4px;
    z-index: 3;
    border-radius: 2px;
    pointer-events: none;
    box-shadow:
        inset 3px 0 8px -4px rgba(222, 8, 22, 0.25),
        inset -3px 0 8px -4px rgba(174, 204, 50, 0.2);
}

/* Monitor outer shadow — subtle glow onto the wall */
.signal-bleed__fragment {
    box-shadow:
        0 0 15px rgba(0, 0, 0, 0.6),
        0 0 4px rgba(222, 8, 22, 0.06);
}

/* Canvas: glitch overlay */
.signal-bleed__canvas {
    position: absolute;
    inset: 0;
    z-index: 10;
    pointer-events: none;
}

/* ==========================================================================
   Scroll Entry — visible state
   ========================================================================== */
.signal-bleed--visible .signal-bleed__fragment {
    opacity: 1;
    transform: translateY(0);
}

/* Staggered delay per fragment */
.signal-bleed--visible .signal-bleed__fragment[data-index="0"] { transition-delay: 0s; }
.signal-bleed--visible .signal-bleed__fragment[data-index="1"] { transition-delay: 0.12s; }
.signal-bleed--visible .signal-bleed__fragment[data-index="2"] { transition-delay: 0.24s; }
.signal-bleed--visible .signal-bleed__fragment[data-index="3"] { transition-delay: 0.36s; }

/* ==========================================================================
   Hover: Focus-Pull (cinematic depth of field)
   ========================================================================== */
.signal-bleed--has-focus .signal-bleed__fragment:not(.signal-bleed__fragment--focused) {
    filter: brightness(0.5) blur(1.5px);
}

.signal-bleed__fragment--focused {
    transform: scale(1.03) !important;
    z-index: 20;
    box-shadow:
        0 0 25px rgba(222, 8, 22, 0.2),
        0 0 60px rgba(0, 0, 0, 0.5);
}

.signal-bleed__fragment--focused::before {
    border-color: rgba(222, 8, 22, 0.35);
}

/* ==========================================================================
   Dark Mode — intensified glows
   ========================================================================== */
[data-theme="dark"] .signal-bleed {
    background: #060609;
}

[data-theme="dark"] .signal-bleed::before {
    background:
        radial-gradient(ellipse at 30% 40%, rgba(222, 8, 22, 0.1) 0%, transparent 50%),
        radial-gradient(ellipse at 70% 60%, rgba(174, 204, 50, 0.06) 0%, transparent 45%);
}

[data-theme="dark"] .signal-bleed__fragment {
    background: #0c0c10;
    box-shadow:
        0 0 20px rgba(0, 0, 0, 0.7),
        0 0 6px rgba(222, 8, 22, 0.1);
}

[data-theme="dark"] .signal-bleed__fragment::before {
    border-color: rgba(222, 8, 22, 0.25);
    background: repeating-linear-gradient(
        0deg,
        transparent,
        transparent 2px,
        rgba(0, 0, 0, 0.1) 2px,
        rgba(0, 0, 0, 0.1) 4px
    );
}

[data-theme="dark"] .signal-bleed__fragment::after {
    box-shadow:
        inset 4px 0 10px -4px rgba(222, 8, 22, 0.35),
        inset -4px 0 10px -4px rgba(174, 204, 50, 0.3);
}

[data-theme="dark"] .signal-bleed__fragment--focused {
    box-shadow:
        0 0 35px rgba(222, 8, 22, 0.25),
        0 0 80px rgba(0, 0, 0, 0.6);
}

[data-theme="dark"] .signal-bleed__fragment--focused::before {
    border-color: rgba(222, 8, 22, 0.45);
}

/* ==========================================================================
   Responsive <= 768px
   ========================================================================== */
@media (max-width: 768px) {
    .signal-bleed {
        padding: var(--space-4) 0;
    }

    .signal-bleed__title {
        position: relative;
        left: auto;
        top: auto;
        transform: none;
        text-align: center;
        margin-bottom: var(--space-3);
        color: rgba(255, 255, 255, 0.25);
    }

    .signal-bleed__field {
        grid-template-columns: 1fr !important;
        grid-template-rows: auto !important;
        gap: 4px;
        padding: 0 var(--space-3);
    }

    .signal-bleed[data-fragment-count="3"] .signal-bleed__fragment[data-index="0"] {
        grid-row: auto;
    }

    .signal-bleed__fragment > .signal-bleed__img {
        aspect-ratio: 16 / 10 !important;
        height: auto !important;
    }

    .signal-bleed__canvas {
        display: none;
    }
}

/* ==========================================================================
   Responsive <= 480px
   ========================================================================== */
@media (max-width: 480px) {
    .signal-bleed__field {
        gap: 3px;
        padding: 0 var(--space-2);
    }

    .signal-bleed__fragment {
        padding: 3px;
    }

    /* Disable hover on touch */
    .signal-bleed--has-focus .signal-bleed__fragment:not(.signal-bleed__fragment--focused) {
        filter: none;
    }
    .signal-bleed__fragment--focused {
        transform: none !important;
    }
}

/* ==========================================================================
   Reduced Motion
   ========================================================================== */
@media (prefers-reduced-motion: reduce) {
    .signal-bleed__fragment {
        opacity: 1;
        transform: none;
        transition: none;
    }

    .signal-bleed__canvas {
        display: none;
    }

    .signal-bleed--has-focus .signal-bleed__fragment:not(.signal-bleed__fragment--focused) {
        filter: none;
    }

    .signal-bleed__fragment--focused {
        transform: none !important;
    }
}