/* =============================================
   PROJECTS — cards, filters, lightbox, modals
   ============================================= */

/* ── Filter buttons ── */
.projects__filters {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}
.filter-btn {
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-full);
    background: var(--bg-secondary);
    color: var(--text-secondary);
    font-weight: 600;
    transition: all var(--transition-base);
}
.filter-btn:hover, .filter-btn.active {
    background: var(--primary-color);
    color: var(--bg-primary);
    transform: translateY(-1px);
}

/* ── Project grid ── */
.projects__container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}
.project__card {
    padding: 0;
    overflow: hidden;
    transition: all var(--transition-base);
    animation: projectFadeIn 0.5s ease;
}
@keyframes projectFadeIn {
    from { opacity: 0; transform: scale(0.9); }
    to   { opacity: 1; transform: scale(1); }
}
.project__card.hide { display: none; }
.project__card:hover { transform: translateY(-10px); box-shadow: var(--shadow-xl); }

.project__image {
    position: relative;
    overflow: hidden;
    height: 250px;
}
.project__img {
    width: 100%; height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}
.project__card:hover .project__img { transform: scale(1.1); }

.project__overlay {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(0,0,0,0.75);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    opacity: 0;
    transition: opacity var(--transition-base);
}
.project__card:hover .project__overlay { opacity: 1; }

.project__btn {
    width: 50px; height: 50px;
    border-radius: 50%;
    background: white;
    color: #111111;
    display: flex; align-items: center; justify-content: center;
    transition: all var(--transition-base);
}
.project__btn:hover { transform: scale(1.2) rotate(360deg); }

.project__content { padding: 1.5rem; }
.project__title { font-size: 1.25rem; margin-bottom: 0.75rem; color: var(--text-primary); }
.project__description {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 1rem;
}
.project__tags { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.tag {
    padding: 0.25rem 0.75rem;
    background: var(--bg-secondary);
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-weight: 500;
    border: 1px solid var(--glass-border);
}

/* ── Lightbox (legacy) ── */
.lightbox {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(0,0,0,0.95);
    z-index: 9999;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}
.lightbox.active { display: flex; }
.lightbox__content {
    position: relative;
    max-width: 90%; max-height: 90%;
    animation: lightboxZoom 0.3s ease;
}
@keyframes lightboxZoom {
    from { transform: scale(0.5); opacity: 0; }
    to   { transform: scale(1);   opacity: 1; }
}
.lightbox__close {
    position: absolute;
    top: -40px; right: 0;
    width: 40px; height: 40px;
    border-radius: 50%;
    background: white;
    color: var(--text-primary);
    font-size: 1.5rem;
    display: flex; align-items: center; justify-content: center;
    transition: all var(--transition-base);
}
.lightbox__close:hover { transform: rotate(90deg); background: var(--primary-color); color: white; }
.lightbox__img {
    max-width: 100%;
    max-height: calc(90vh - 60px);
    border-radius: var(--radius-lg);
}
.lightbox__caption { text-align: center; color: white; margin-top: 1rem; font-size: 1.1rem; }

/* ── Project detail modal (pmodal) ── */
.pmodal { position: fixed; inset: 0; z-index: 10002; display: none; }
.pmodal.active { display: block; }

.pmodal__overlay {
    position: absolute; inset: 0;
    background: rgba(0,0,0,0.85);
    backdrop-filter: blur(8px);
    animation: fadeIn 0.3s ease;
}
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

.pmodal__container {
    position: absolute; inset: 0;
    display: flex; flex-direction: column;
    overflow: hidden;
    animation: modalSlideUp 0.4s cubic-bezier(0.16,1,0.3,1);
}
@keyframes modalSlideUp {
    from { transform: translateY(30px); opacity: 0; }
    to   { transform: translateY(0);    opacity: 1; }
}

.pmodal__header {
    display: flex; align-items: center; justify-content: space-between;
    padding: 1rem 2rem;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--glass-border);
    z-index: 2;
}
.pmodal__nav { display: flex; align-items: center; gap: 1rem; }
.pmodal__arrow {
    width: 38px; height: 38px;
    border-radius: 50%;
    background: var(--bg-tertiary);
    color: var(--text-primary);
    display: flex; align-items: center; justify-content: center;
    border: none; cursor: pointer;
    transition: all 0.3s ease;
}
.pmodal__arrow:hover { background: var(--primary-color); color: white; transform: scale(1.1); }
.pmodal__counter { font-size: 0.9rem; color: var(--text-secondary); font-weight: 600; }
.pmodal__close {
    width: 42px; height: 42px;
    border-radius: 50%;
    background: var(--bg-tertiary);
    color: var(--text-primary);
    font-size: 1.2rem;
    display: flex; align-items: center; justify-content: center;
    border: none; cursor: pointer;
    transition: all 0.3s ease;
}
.pmodal__close:hover { background: #ef4444; color: white; transform: rotate(90deg); }

.pmodal__body {
    flex: 1; overflow-y: auto;
    padding: 3rem 2rem;
    background: var(--bg-primary);
    scroll-behavior: smooth;
}
.pmodal__hero { max-width: 800px; margin: 0 auto 3rem; text-align: center; }
.pmodal__hero h2 {
    font-size: 2.2rem; font-weight: 800; margin-bottom: 0.5rem;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}
.pmodal__hero .pmodal__tagline { font-size: 1.15rem; color: var(--text-secondary); margin-bottom: 1.5rem; }
.pmodal__sections {
    max-width: 800px; margin: 0 auto;
    display: flex; flex-direction: column; gap: 2.5rem;
}
.pmodal__section {
    opacity: 0; transform: translateY(20px);
    animation: pmodalFadeIn 0.5s ease forwards;
}
.pmodal__section:nth-child(1) { animation-delay: 0.1s; }
.pmodal__section:nth-child(2) { animation-delay: 0.2s; }
.pmodal__section:nth-child(3) { animation-delay: 0.3s; }
.pmodal__section:nth-child(4) { animation-delay: 0.4s; }
.pmodal__section:nth-child(5) { animation-delay: 0.5s; }
.pmodal__section:nth-child(6) { animation-delay: 0.6s; }
@keyframes pmodalFadeIn { to { opacity: 1; transform: translateY(0); } }

.pmodal__section h3 {
    font-size: 1.1rem; font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.75rem;
    display: flex; align-items: center; gap: 0.5rem;
}
.pmodal__section p { color: var(--text-secondary); line-height: 1.8; font-size: 0.95rem; }
.pmodal__badges { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.pmodal__badge {
    padding: 0.4rem 1rem;
    background: var(--bg-secondary);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    color: var(--primary-color);
    font-weight: 600;
}
.pmodal__links { display: flex; gap: 1rem; flex-wrap: wrap; }
.pmodal__links a {
    display: inline-flex; align-items: center; gap: 0.5rem;
    padding: 0.6rem 1.2rem;
    border-radius: var(--radius-full);
    font-weight: 600; font-size: 0.9rem;
    transition: all 0.3s ease;
}
.pmodal__links .pmodal__github {
    background: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--glass-border);
}
.pmodal__links .pmodal__github:hover { background: #333; color: white; }
.pmodal__links .pmodal__casestudy {
    background: var(--primary-color);
    color: var(--bg-primary);
}
.pmodal__links .pmodal__casestudy:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Demo section */
.pmodal__demo {
    background: var(--bg-secondary);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 2rem; text-align: center;
}
.pmodal__demo-btn {
    display: inline-flex; align-items: center; gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: linear-gradient(135deg, #10b981, #059669);
    color: white; border: none;
    border-radius: var(--radius-full);
    font-weight: 600; cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 1rem;
}
.pmodal__demo-btn:hover { transform: translateY(-2px); box-shadow: 0 4px 15px rgba(16,185,129,0.4); }
.pmodal__demo-output {
    margin-top: 1.5rem; padding: 1rem;
    background: var(--bg-primary);
    border-radius: var(--radius-md);
    font-family: var(--font-code);
    font-size: 0.9rem; color: var(--text-primary);
    display: none;
}
.pmodal__demo-output.active { display: block; }

@media screen and (max-width: 768px) {
    .pmodal__body { padding: 2rem 1rem; }
    .pmodal__hero h2 { font-size: 1.6rem; }
    .pmodal__header { padding: 0.75rem 1rem; }
}

/* ── Case study modal (csmodal) ── */
.csmodal { position: fixed; inset: 0; z-index: 10003; display: none; }
.csmodal.active { display: block; }

.csmodal__overlay { position: absolute; inset: 0; background: rgba(0,0,0,0.9); }
.csmodal__container {
    position: absolute; inset: 0;
    overflow-y: auto;
    padding: 4rem 2rem;
    background: var(--bg-primary);
    animation: modalSlideUp 0.4s cubic-bezier(0.16,1,0.3,1);
}
.csmodal__close {
    position: fixed;
    top: 1.5rem; right: 1.5rem;
    width: 48px; height: 48px;
    border-radius: 50%;
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-size: 1.3rem;
    display: flex; align-items: center; justify-content: center;
    border: none; cursor: pointer;
    transition: all 0.3s ease;
    z-index: 10;
    box-shadow: var(--shadow-lg);
}
.csmodal__close:hover { background: #ef4444; color: white; transform: rotate(90deg); }
.csmodal__body { max-width: 700px; margin: 0 auto; }
.csmodal__body h2 {
    font-size: 2.2rem; font-weight: 800; margin-bottom: 2rem;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}
.cs__section {
    margin-bottom: 2.5rem;
    opacity: 0; transform: translateY(20px);
    animation: pmodalFadeIn 0.6s ease forwards;
}
.cs__section:nth-child(2) { animation-delay: 0.1s; }
.cs__section:nth-child(3) { animation-delay: 0.2s; }
.cs__section:nth-child(4) { animation-delay: 0.3s; }
.cs__section:nth-child(5) { animation-delay: 0.4s; }
.cs__section:nth-child(6) { animation-delay: 0.5s; }
.cs__section:nth-child(7) { animation-delay: 0.6s; }
.cs__section h3 {
    font-size: 1.15rem; font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.75rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--glass-border);
}
.cs__section p { color: var(--text-secondary); line-height: 1.8; }
.cs__insight {
    padding: 1rem 1.25rem;
    background: var(--bg-secondary);
    border-left: 3px solid var(--primary-color);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    margin: 1rem 0;
    font-style: italic;
    color: var(--text-primary);
}

/* ── Placeholder for cards without images ── */
.project__img-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-secondary);
    color: var(--text-light);
}
.project__img-placeholder i {
    font-size: 3.5rem;
    opacity: 0.4;
}

/* ── Freelance client badge ── */
.project__client-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    margin-top: 0.85rem;
    padding: 0.3rem 0.85rem;
    border-radius: var(--radius-full);
    font-size: 0.78rem;
    font-weight: 600;
    color: #92400e;
    background: #fef3c7;
    border: 1px solid #fcd34d;
}

body.dark-mode .project__client-badge {
    color: #fde68a;
    background: rgba(251, 191, 36, 0.12);
    border-color: rgba(251, 191, 36, 0.3);
}

/* ── Live / Model link in modal ── */
.pmodal__live {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1.2rem;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 0.9rem;
    background: #ecfdf5;
    color: #065f46;
    border: 1px solid #6ee7b7;
    transition: all 0.3s ease;
}
.pmodal__live:hover {
    background: #d1fae5;
    transform: translateY(-2px);
}
body.dark-mode .pmodal__live {
    background: rgba(16, 185, 129, 0.12);
    color: #6ee7b7;
    border-color: rgba(110, 231, 183, 0.3);
}
body.dark-mode .pmodal__live:hover {
    background: rgba(16, 185, 129, 0.2);
}

/* ── Live button on card overlay ── */
.project__btn--live {
    background: #d1fae5;
    color: #065f46;
}
.project__btn--live:hover {
    background: #6ee7b7;
    color: #064e3b;
    transform: scale(1.2) rotate(360deg);
}