/* === PROJECTS ACCORDION STYLE (STRICT CLEAN B&W) === */

.accordion-container {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 100px 20px;
    min-height: 80vh;
}

/* --- Accordion Item --- */
/* NO BOX, NO BACKGROUND - Just a list item */
.accordion-item {
    background: transparent !important;
    /* Force transparent */
    border: none;
    border-bottom: 1px solid var(--border-color);
    /* Adaptive separator */
    margin-bottom: 0;
    border-radius: 0;
    transition: all 0.3s ease;
    box-shadow: none !important;
    /* No shadow since no box */
}

/* On Active: Increase visual weight, no background change */
.accordion-item.active {
    background: transparent !important;
    border-bottom-color: var(--accent-primary);
    padding-bottom: 40px;
    /* Add space when open */
    margin-bottom: 40px;
}

/* --- Header --- */
.accordion-header {
    display: grid;
    grid-template-columns: 80px 1fr auto 40px;
    align-items: center;
    padding: 40px 10px;
    /* Vertical spacing */
    cursor: pointer;
    gap: 30px;
    transition: opacity 0.3s ease;
}

.accordion-header:hover {
    padding-left: 20px;
    /* Slight movement */
    opacity: 0.8;
}

.acc-number {
    font-family: var(--font-mono);
    color: var(--accent-primary);
    font-size: 1.2rem;
    font-weight: 700;
}

.acc-title {
    /* ADAPTIVE COLOR via Variable - Critical for Light/Dark mode */
    color: var(--text-primary);

    font-size: clamp(2rem, 4vw, 3.5rem);
    font-weight: 900;
    /* Ultra Bold */
    margin: 0;
    text-transform: uppercase;
    letter-spacing: -2px;
    line-height: 1;
    transition: color 0.3s ease, transform 0.3s ease;
}

/* Active Highlight */
.accordion-item.active .acc-title {
    color: var(--accent-primary);
    transform: translateX(10px);
}

.acc-tags-preview {
    display: flex;
    gap: 15px;
}

.acc-tag-mini {
    font-size: 0.85rem;
    padding: 5px 15px;
    background: transparent;
    border: 1px solid var(--text-secondary);
    /* Adaptive border */
    color: var(--text-secondary);
    border-radius: 100px;
    font-weight: 600;
}

.acc-icon {
    font-size: 1.5rem;
    color: var(--text-primary);
    transition: transform 0.4s ease;
}

.accordion-item.active .acc-icon {
    transform: rotate(180deg);
    color: var(--accent-primary);
}

/* --- Body --- */
.accordion-body {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.6s cubic-bezier(0.16, 1, 0.3, 1);
    opacity: 0;
}

.accordion-item.active .accordion-body {
    opacity: 1;
}

.acc-content-wrapper {
    padding: 0 0 0 110px;
    /* Indent to match title start */
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 80px;
    align-items: start;
}

/* Visual Side - No border, just the image */
.acc-visual {
    position: relative;
    border-radius: 4px;
    overflow: hidden;
    /* Box shadow to lift it */
    box-shadow: var(--shadow-md);
    aspect-ratio: 16/9;
}

.acc-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.acc-visual:hover .acc-img {
    transform: scale(1.03);
}

/* Info Side */
.acc-info {
    display: flex;
    flex-direction: column;
    gap: 30px;
    padding-top: 10px;
}

.acc-description {
    font-size: 1.2rem;
    line-height: 1.6;
    color: var(--text-primary);
    /* Adaptive text */
    font-weight: 400;
    opacity: 0.9;
}

.acc-tech-stack h4 {
    font-size: 1.1rem;
    text-transform: uppercase;
    color: var(--text-primary);
    margin-bottom: 20px;
    letter-spacing: 1px;
    font-weight: 800;
}

.acc-tech-list {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
}

.acc-tech-item {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    border-bottom: 2px solid var(--accent-primary);
    /* Minimal underline style */
    padding-bottom: 2px;
}

.acc-links {
    margin-top: 30px;
    display: flex;
    gap: 30px;
}

/* Buttons adapted to theme */
.btn-primary {
    background: var(--text-primary);
    /* Uses Text color as BG (Black in light mode, White in dark) */
    color: var(--bg-primary);
    /* Uses BG color as Text (White in light, Black in dark) */
    padding: 15px 35px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 1px;
    border: 2px solid var(--text-primary);
}

.btn-primary:hover {
    background: transparent;
    color: var(--text-primary);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    padding: 15px 35px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 1px;
    border: 2px solid var(--border-color);
}

.btn-secondary:hover {
    border-color: var(--text-primary);
}

/* Responsive */
@media (max-width: 900px) {
    .accordion-container {
        min-height: auto;
    }

    .acc-content-wrapper {
        grid-template-columns: 1fr;
        padding: 0 10px 40px 10px;
        gap: 40px;
    }

    .accordion-header {
        grid-template-columns: 40px 1fr 30px;
        padding: 30px 0;
        gap: 20px;
    }

    .acc-tags-preview {
        display: none;
    }

    .acc-title {
        font-size: 1.8rem;
    }
}

@media (max-width: 480px) {
    .accordion-container {
        padding: 60px 10px;
    }

    .accordion-header {
        grid-template-columns: 30px 1fr 20px;
        gap: 15px;
        padding: 20px 0;
    }

    .acc-number {
        font-size: 1rem;
    }

    .acc-title {
        font-size: 1.4rem;
        letter-spacing: -1px;
    }

    .acc-icon {
        font-size: 1.2rem;
    }

    .acc-content-wrapper {
        padding: 0 0 30px 0;
        gap: 30px;
    }

    .acc-description {
        font-size: 1.05rem;
    }

    .acc-links {
        flex-direction: column;
        gap: 15px;
        margin-top: 20px;
    }

    .btn-primary,
    .btn-secondary {
        text-align: center;
        width: 100%;
        padding: 12px 20px;
        font-size: 0.9rem;
    }
}