/* Project cards — Lumen Night tokens */

.project-filter-btn {
    background-color: transparent;
    color: var(--color-ink-3, #8a8794);
    border: 1px solid var(--color-rule, rgba(245, 245, 250, 0.1));
    font-size: 0.875rem;
    font-weight: 500;
    transition: color 0.2s var(--ease-out, ease), border-color 0.2s var(--ease-out, ease);
}

.project-filter-btn:hover {
    color: var(--color-ink, #f4f4f8);
    border-color: var(--color-rule-2, rgba(245, 245, 250, 0.16));
    background-color: transparent;
}

.project-filter-btn.active {
    background: var(--color-ink, #f4f4f8);
    color: var(--color-paper, #1a1625);
    border-color: var(--color-ink, #f4f4f8);
}

.projects-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 0;
}

.project-card {
    position: relative;
    padding: 2rem 1.5rem;
    border-bottom: 1px solid var(--color-rule, rgba(245, 245, 250, 0.1));
    cursor: pointer;
    transition: background-color 0.3s var(--ease-out, ease), padding-left 0.3s var(--ease-out, ease);
    animation: fadeInUp 0.4s var(--ease-out, ease-out);
}

.project-card::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--color-accent, #e0b84a);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.project-card:hover::before,
.project-card.expanded::before {
    opacity: 1;
}

.project-card:hover,
.project-card.expanded {
    background-color: oklch(96% 0.006 262 / 0.03);
    padding-left: 2rem;
}

.project-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
}

.project-header-left {
    flex: 1;
    min-width: 0;
}

.project-category-tag {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.75rem;
    opacity: 0.7;
    color: var(--color-accent, #e0b84a);
}

.project-title {
    font-size: 1.5rem;
    font-weight: 400;
    font-family: var(--font-display, Georgia, serif);
    color: var(--color-ink, #f4f4f8);
    margin-bottom: 0.5rem;
    line-height: 1.3;
    transition: color 0.2s ease;
}

.project-card:hover .project-title {
    color: var(--color-ink-2, #c4c2cc);
}

.project-company {
    font-size: 0.875rem;
    color: var(--color-ink-3, #8a8794);
    margin-bottom: 1rem;
    font-family: var(--font-mono, monospace);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    font-size: 0.7rem;
}

.project-tech-preview {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1rem;
}

.project-tech-preview span {
    font-size: 0.7rem;
    color: var(--color-ink-2, #c4c2cc);
    padding: 0.25rem 0.75rem;
    background-color: oklch(96% 0.006 262 / 0.04);
    border-radius: 2px;
    border: 1px solid var(--color-rule, rgba(245, 245, 250, 0.1));
    font-family: var(--font-mono, monospace);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.project-expand-icon {
    flex-shrink: 0;
    width: 2rem;
    height: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-ink-3, #8a8794);
    transition: transform 0.3s ease, color 0.3s ease;
}

.project-card:hover .project-expand-icon {
    color: var(--color-ink, #f4f4f8);
}

.project-card.expanded .project-expand-icon {
    transform: rotate(180deg);
    color: var(--color-accent, #e0b84a);
}

.project-details {
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transition: all 0.4s var(--ease-out, ease);
    padding-top: 0;
}

.project-card.expanded .project-details {
    max-height: 1000px;
    opacity: 1;
    padding-top: 1.5rem;
    margin-top: 1.5rem;
    border-top: 1px solid var(--color-rule, rgba(245, 245, 250, 0.1));
}

.project-description {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--color-ink-2, #c4c2cc);
    margin-bottom: 1.5rem;
}

.project-details-section {
    margin-bottom: 1.5rem;
}

.project-details-section:last-child {
    margin-bottom: 0;
}

.project-details-title {
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-ink-3, #8a8794);
    margin-bottom: 0.75rem;
    font-family: var(--font-mono, monospace);
}

.project-tech-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.project-tech-badge {
    font-size: 0.75rem;
    padding: 0.4rem 0.75rem;
    background-color: transparent;
    border: 1px solid var(--color-rule, rgba(245, 245, 250, 0.1));
    border-radius: 2px;
    color: var(--color-ink-2, #c4c2cc);
    font-family: var(--font-mono, monospace);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.project-responsibilities {
    list-style: none;
    padding: 0;
    margin: 0;
}

.project-responsibilities li {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--color-rule, rgba(245, 245, 250, 0.1));
}

.project-responsibilities li:last-child {
    border-bottom: none;
}

.project-responsibilities li i {
    flex-shrink: 0;
    color: var(--color-accent, #e0b84a);
    margin-top: 0.25rem;
}

.project-responsibilities li span {
    color: var(--color-ink-2, #c4c2cc);
    line-height: 1.6;
}

#projectModal {
    position: fixed;
    inset: 0;
    background-color: oklch(0% 0 0 / 0.72);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    animation: fadeIn 0.2s ease-out;
}

#projectModal.hidden {
    display: none;
}

.modal-container {
    background: var(--color-paper-2, #221e30);
    border: 1px solid var(--color-rule, rgba(245, 245, 250, 0.1));
    border-radius: 6px;
    max-width: 800px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    animation: modalSlideIn 0.3s var(--ease-out, ease);
    box-shadow: 0 24px 60px -28px oklch(0% 0 0 / 0.55);
    color: var(--color-ink-2, #c4c2cc);
}

@keyframes modalSlideIn {
    from { transform: translateY(20px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.modal-close-btn {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    width: 2.5rem;
    height: 2.5rem;
    background: transparent;
    border: 1px solid var(--color-rule, rgba(245, 245, 250, 0.1));
    border-radius: 2px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 10;
    transition: border-color 0.2s ease;
}

.modal-close-btn:hover {
    border-color: var(--color-rule-2, rgba(245, 245, 250, 0.16));
}

.modal-close-btn:focus-visible {
    outline: 2px solid var(--color-focus, #e0b84a);
    outline-offset: 2px;
}

.modal-close-btn i {
    font-size: 1rem;
    color: var(--color-ink-3, #8a8794);
}

@media (min-width: 768px) {
    .project-card {
        padding: 2.5rem 2rem;
    }

    .project-title {
        font-size: 1.875rem;
    }
}

@media (max-width: 768px) {
    .modal-container {
        max-height: 95vh;
        margin: 0.5rem;
    }

    .project-title {
        font-size: 1.25rem;
    }

    .project-header {
        flex-direction: column;
        align-items: flex-start;
    }
}

.modal-container::-webkit-scrollbar {
    width: 6px;
}

.modal-container::-webkit-scrollbar-track {
    background: transparent;
}

.modal-container::-webkit-scrollbar-thumb {
    background: var(--color-rule-2, rgba(245, 245, 250, 0.16));
    border-radius: 10px;
}

@media (prefers-reduced-motion: reduce) {
    .project-card,
    .modal-container,
    #projectModal {
        animation: none;
    }
}