/* ==========================================================================
   projects.css — Projects showcase, filters, cards, modal
   ========================================================================== */

/* Filter bar */
.project-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
    margin-bottom: 44px;
}

.filter-btn {
    padding: 9px 18px;
    border-radius: var(--r-full);
    border: 1px solid var(--border);
    background: var(--surface);
    color: var(--muted);
    font-size: 0.88rem;
    font-weight: 500;
    font-family: var(--font);
    cursor: pointer;
    transition: all 0.3s var(--ease);
}

.filter-btn:hover {
    color: var(--text);
    border-color: var(--border-strong);
}

.filter-btn.active {
    color: #fff;
    background: var(--grad-primary);
    border-color: transparent;
    box-shadow: 0 6px 22px rgba(139, 92, 246, 0.35);
}

.filter-btn:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

/* Grid */
.project-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 24px;
}

.project-card {
    position: relative;
    display: flex;
    flex-direction: column;
    border-radius: var(--r-lg);
    overflow: hidden;
    background: var(--surface);
    border: 1px solid var(--border);
    transition: transform 0.45s var(--ease), border-color 0.45s var(--ease),
    box-shadow 0.45s var(--ease), opacity 0.4s var(--ease);
}

.project-card:hover {
    transform: translateY(-8px);
    border-color: var(--border-strong);
    box-shadow: var(--shadow-lg), var(--glow-soft);
}

/* Filtering states */
.project-card.hide {
    display: none;
}

.project-card.filtering {
    opacity: 0;
    transform: scale(0.96);
}

.project-thumb {
    position: relative;
    aspect-ratio: 16 / 10;
    overflow: hidden;
    background: var(--bg-2);
}

.project-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s var(--ease);
}

.project-card:hover .project-thumb img {
    transform: scale(1.07);
}

.project-thumb::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 45%, rgba(8, 6, 13, 0.85) 100%);
}

.project-status {
    position: absolute;
    top: 14px;
    left: 14px;
    z-index: 2;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    border-radius: var(--r-full);
    font-size: 0.72rem;
    font-weight: 600;
    backdrop-filter: blur(8px);
    border: 1px solid var(--border-strong);
}

.project-status.completed {
    background: rgba(52, 211, 153, 0.14);
    color: #6ee7b7;
}

.project-status.ongoing {
    background: rgba(251, 191, 36, 0.14);
    color: #fcd34d;
}

.project-status .d {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: currentColor;
}

.project-category-tag {
    position: absolute;
    bottom: 14px;
    left: 16px;
    z-index: 2;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--accent);
}

.project-body {
    padding: 20px 22px 22px;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.project-body h3 {
    font-size: 1.18rem;
    font-weight: 700;
    margin-bottom: 4px;
    letter-spacing: -0.01em;
}

.project-subtitle {
    display: block;
    font-size: 0.82rem;
    color: var(--accent);
    font-weight: 500;
    margin-bottom: 9px;
}

.project-body p {
    color: var(--muted);
    font-size: 0.92rem;
    margin-bottom: 16px;
    flex: 1;
}

.project-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 7px;
    margin-bottom: 18px;
}

.tech-badge {
    padding: 5px 11px;
    border-radius: var(--r-full);
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--hairline);
    font-size: 0.74rem;
    font-weight: 500;
    color: var(--muted);
}

.project-actions {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.project-actions .link-icon {
    width: 40px;
    height: 40px;
    display: grid;
    place-items: center;
    border-radius: 12px;
    border: 1px solid var(--border);
    background: var(--surface);
    color: var(--muted);
    transition: all 0.3s var(--ease);
}

.project-actions .link-icon:hover {
    color: #fff;
    border-color: var(--accent);
    transform: translateY(-2px);
}

.project-actions .link-icon.disabled {
    opacity: 0.4;
    cursor: not-allowed;
    pointer-events: none;
}

/* Disabled "coming soon" button state (modal) */
.btn.is-disabled {
    opacity: 0.55;
    cursor: not-allowed;
    pointer-events: none;
}

/* ---------- Case-study steps (UI/UX modal) ---------- */
.casestudy-steps {
    display: grid;
    gap: 14px;
    margin-bottom: 24px;
}

.cs-step {
    display: flex;
    gap: 14px;
    align-items: flex-start;
    padding: 14px 16px;
    border-radius: var(--r-md);
    background: var(--surface);
    border: 1px solid var(--border);
    transition: border-color 0.3s var(--ease), transform 0.3s var(--ease);
}

.cs-step:hover {
    border-color: var(--border-strong);
    transform: translateX(3px);
}

.cs-icon {
    width: 40px;
    height: 40px;
    flex-shrink: 0;
    border-radius: 11px;
    display: grid;
    place-items: center;
    background: var(--grad-soft);
    border: 1px solid var(--border);
    color: var(--accent);
    font-size: 1rem;
}

.cs-text h4 {
    font-size: 0.98rem;
    font-weight: 600;
    margin-bottom: 3px;
}

.cs-text p {
    color: var(--muted);
    font-size: 0.9rem;
    margin: 0;
}

.project-actions .case-btn {
    margin-left: auto;
}

.case-btn {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 9px 16px;
    border-radius: var(--r-full);
    border: 1px solid var(--border-strong);
    background: var(--surface);
    color: var(--text);
    font-size: 0.84rem;
    font-weight: 600;
    font-family: var(--font);
    cursor: pointer;
    transition: all 0.3s var(--ease);
}

.case-btn:hover {
    background: var(--grad-soft);
    border-color: var(--accent);
}

.projects-empty {
    text-align: center;
    color: var(--muted);
    padding: 40px;
    display: none;
}

.projects-empty.show {
    display: block;
}

/* ---------- Project Modal ---------- */
.modal {
    position: fixed;
    inset: 0;
    z-index: 1500;
    display: grid;
    place-items: center;
    padding: 20px;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.35s var(--ease), visibility 0.35s var(--ease);
}

.modal.open {
    opacity: 1;
    visibility: visible;
}

.modal-overlay {
    position: absolute;
    inset: 0;
    background: rgba(4, 3, 8, 0.78);
    backdrop-filter: blur(8px);
}

.modal-dialog {
    position: relative;
    width: min(760px, 100%);
    max-height: 88vh;
    overflow-y: auto;
    border-radius: var(--r-lg);
    background: var(--bg-2);
    border: 1px solid var(--border-strong);
    box-shadow: var(--shadow-lg);
    transform: translateY(24px) scale(0.97);
    transition: transform 0.4s var(--ease);
}

.modal.open .modal-dialog {
    transform: translateY(0) scale(1);
}

.modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    z-index: 5;
    width: 42px;
    height: 42px;
    border-radius: 50%;
    border: 1px solid var(--border-strong);
    background: rgba(8, 6, 13, 0.7);
    color: var(--text);
    font-size: 1.1rem;
    cursor: pointer;
    display: grid;
    place-items: center;
    transition: all 0.3s var(--ease);
    backdrop-filter: blur(8px);
}

.modal-close:hover {
    background: var(--grad-primary);
    transform: rotate(90deg);
}

.modal-hero {
    position: relative;
    aspect-ratio: 16 / 9;
    overflow: hidden;
}

.modal-hero img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.modal-hero::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 40%, var(--bg-2) 100%);
}

.modal-content {
    padding: 26px clamp(22px, 4vw, 38px) 34px;
    margin-top: -40px;
    position: relative;
    z-index: 2;
}

.modal-content .modal-cat {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--accent);
}

.modal-content h2 {
    font-size: clamp(1.5rem, 4vw, 2.1rem);
    font-weight: 800;
    margin: 8px 0 16px;
    letter-spacing: -0.02em;
}

.modal-content .modal-desc {
    color: var(--muted);
    font-size: 1.02rem;
    margin-bottom: 22px;
}

.modal-section-label {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--accent);
    margin-bottom: 12px;
}

.modal-highlights {
    display: grid;
    gap: 10px;
    margin-bottom: 24px;
}

.modal-highlights li {
    display: flex;
    align-items: flex-start;
    gap: 11px;
    color: var(--text);
    font-size: 0.95rem;
}

.modal-highlights li i {
    color: var(--accent);
    margin-top: 4px;
}

.modal-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 28px;
}

.modal-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}