/* ================================================================
   PROJECTS SECTION — projects.css
   Matches the existing RS portfolio design language
   ================================================================ */

/* ── Grid Layout ── */
.pj-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 28px;
    margin-top: 56px;
}

@media (max-width: 860px) {
    .pj-grid { grid-template-columns: 1fr; }
}

/* ── Card Base ── */
.pj-card {
    position: relative;
    background: rgba(255, 255, 255, 0.035);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 20px;
    overflow: hidden;
    cursor: pointer;
    transition:
        transform 0.38s cubic-bezier(0.34, 1.56, 0.64, 1),
        border-color 0.3s ease,
        box-shadow 0.3s ease;
    outline: none;
}

.pj-card:focus-visible {
    outline: 2px solid rgba(139, 92, 246, 0.7);
    outline-offset: 4px;
}

.pj-card:hover {
    transform: translateY(-8px) scale(1.01);
    border-color: rgba(139, 92, 246, 0.35);
    box-shadow:
        0 24px 60px rgba(0, 0, 0, 0.4),
        0 0 0 1px rgba(139, 92, 246, 0.15);
}

/* animated glow on hover */
.pj-card__glow {
    position: absolute;
    inset: 0;
    border-radius: 20px;
    opacity: 0;
    background: radial-gradient(
        600px circle at var(--mouse-x, 50%) var(--mouse-y, 50%),
        rgba(139, 92, 246, 0.07),
        transparent 60%
    );
    transition: opacity 0.4s ease;
    pointer-events: none;
    z-index: 1;
}

.pj-card:hover .pj-card__glow { opacity: 1; }

/* ── Thumbnail ── */
.pj-card__thumbnail {
    position: relative;
    height: 188px;
    overflow: hidden;
}

.pj-card__thumb-bg {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.pj-card:hover .pj-card__thumb-bg {
    transform: scale(1.06);
}

/* Per-project gradients */
.pj-thumb--weather {
    background: linear-gradient(135deg, #1a6eb5 0%, #36a2e8 40%, #74c0fc 100%);
}

.pj-thumb--notes {
    background: linear-gradient(135deg, #4c2885 0%, #7c4dff 50%, #b388ff 100%);
}

.pj-thumb--tasks {
    background: linear-gradient(135deg, #00695c 0%, #00b894 50%, #55efc4 100%);
}

.pj-thumb--ecommerce {
    background: linear-gradient(135deg, #b5381a 0%, #e84393 50%, #fd79a8 100%);
}

.pj-thumb--chat {
    /* background: linear-gradient(135deg, #60b51a 0%, #6ce843 50%, #79fd82 100%); */
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 50%, #4facfe 100%);
}

/* Floating icon inside thumbnail */
.pj-thumb-icon {
    width: 88px;
    height: 88px;
    filter: drop-shadow(0 8px 24px rgba(0,0,0,0.35));
    transition: transform 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.pj-card:hover .pj-thumb-icon {
    transform: translateY(-6px) scale(1.08);
}

.pj-thumb-icon svg { width: 100%; height: 100%; }

/* Decorative texture overlay on thumb */
.pj-card__thumb-bg::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        repeating-linear-gradient(
            45deg,
            transparent,
            transparent 12px,
            rgba(255,255,255,0.03) 12px,
            rgba(255,255,255,0.03) 13px
        );
    pointer-events: none;
}

/* Flutter badge */
.pj-card__badge {
    position: absolute;
    top: 14px;
    right: 14px;
    background: rgba(10, 10, 15, 0.72);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255,255,255,0.15);
    color: rgba(255,255,255,0.9);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    padding: 4px 10px;
    border-radius: 20px;
    font-family: 'DM Sans', sans-serif;
}

/* ── Card Body ── */
.pj-card__body {
    padding: 22px 24px 20px;
    position: relative;
    z-index: 2;
}

/* Tags row */
.pj-card__meta {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 12px;
}

.pj-tag {
    font-family: 'DM Sans', sans-serif;
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 0.04em;
    color: rgba(139, 92, 246, 0.9);
    background: rgba(139, 92, 246, 0.12);
    border: 1px solid rgba(139, 92, 246, 0.2);
    border-radius: 6px;
    padding: 3px 9px;
}

/* Title */
.pj-card__title {
    font-family: 'Playfair Display', serif;
    font-size: 1.25rem;
    font-weight: 700;
    color: grey;
    margin: 0 0 10px;
    line-height: 1.3;
    transition: color 0.2s ease;
}

.pj-card:hover .pj-card__title {
    color: rgb(86, 86, 86);
}

/* Description */
.pj-card__desc {
    font-family: 'DM Sans', sans-serif;
    font-size: 0.875rem;
    line-height: 1.65;
    color: rgba(116, 116, 181, 0.72);
    margin: 0 0 18px;
}

/* Footer row */
.pj-card__footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-top: 1px solid rgba(255,255,255,0.07);
    padding-top: 16px;
    margin-top: 4px;
}

.pj-view-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-family: 'DM Sans', sans-serif;
    font-size: 0.85rem;
    font-weight: 600;
    color: rgba(139, 92, 246, 0.9);
    letter-spacing: 0.02em;
    transition: gap 0.25s ease, color 0.2s ease;
}

.pj-view-link svg {
    width: 16px; height: 16px;
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.pj-card:hover .pj-view-link {
    color: #a78bfa;
    gap: 10px;
}

.pj-card:hover .pj-view-link svg {
    transform: translateX(4px);
}

/* GitHub icon button */
.pj-github-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.1);
    color: rgba(200,200,220,0.8);
    text-decoration: none;
    transition:
        background 0.25s,
        color 0.25s,
        transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.pj-github-btn svg { width: 17px; height: 17px; }

.pj-github-btn:hover {
    background: rgba(255,255,255,0.13);
    color: #fff;
    transform: scale(1.12);
}

/* ── Entry animation ── */
.pj-card {
    opacity: 0;
    transform: translateY(36px);
    animation: pjCardIn 0.6s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

.pj-card:nth-child(1) { animation-delay: 0.05s; }
.pj-card:nth-child(2) { animation-delay: 0.15s; }
.pj-card:nth-child(3) { animation-delay: 0.25s; }
.pj-card:nth-child(4) { animation-delay: 0.35s; }

@keyframes pjCardIn {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Pause animation until card enters viewport */
.pj-card:not(.pj-card--visible) {
    animation-play-state: paused;
}
.pj-card.pj-card--visible {
    animation-play-state: running;
}


/* ================================================================
   PROJECT DETAIL PAGE — Full-screen overlay / separate page
   ================================================================ */

/* Overlay backdrop */
.pd-overlay {
    position: fixed;
    inset: 0;
    background: rgba(6, 6, 18, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    z-index: 9000;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    overflow-y: auto;
    padding: 40px 20px 60px;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.35s ease;
}

.pd-overlay.pd-overlay--open {
    opacity: 1;
    pointer-events: all;
}

/* Inner panel */
.pd-panel {
    width: 100%;
    max-width: 860px;
    background: #0f0f1a;
    border: 1px solid rgba(255,255,255,0.09);
    border-radius: 24px;
    overflow: hidden;
    transform: translateY(40px) scale(0.97);
    transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1);
    box-shadow: 0 40px 100px rgba(0,0,0,0.65);
}

.pd-overlay--open .pd-panel {
    transform: translateY(0) scale(1);
}

/* Hero banner */
.pd-hero {
    position: relative;
    height: 260px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.pd-hero::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, transparent 40%, #0f0f1a 100%);
    pointer-events: none;
}

.pd-hero-icon {
    width: 110px;
    height: 110px;
    filter: drop-shadow(0 16px 40px rgba(0,0,0,0.5));
    position: relative;
    z-index: 1;
    animation: pdIconFloat 3.5s ease-in-out infinite;
}
.pd-hero-icon svg { width: 100%; height: 100%; }

@keyframes pdIconFloat {
    0%, 100% { transform: translateY(0); }
    50%       { transform: translateY(-10px); }
}

/* Decorative grid lines on hero */
.pd-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
    background-size: 40px 40px;
    pointer-events: none;
}

/* Close button */
.pd-close {
    position: absolute;
    top: 18px;
    right: 18px;
    z-index: 10;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(10,10,20,0.7);
    backdrop-filter: blur(6px);
    border: 1px solid rgba(255,255,255,0.13);
    border-radius: 50%;
    color: rgba(220,220,240,0.85);
    cursor: pointer;
    transition:
        background 0.25s,
        transform 0.3s cubic-bezier(0.34,1.56,0.64,1),
        color 0.2s;
}

.pd-close:hover {
    background: rgba(139,92,246,0.25);
    color: #fff;
    transform: rotate(90deg) scale(1.1);
}

.pd-close svg { width: 18px; height: 18px; }

/* Content area */
.pd-content {
    padding: 0 40px 40px;
}

@media (max-width: 600px) {
    .pd-content { padding: 0 20px 32px; }
}

/* Header block */
.pd-header {
    margin-bottom: 28px;
    padding-top: 8px;
}

.pd-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 7px;
    margin-bottom: 14px;
}

.pd-tag {
    font-family: 'DM Sans', sans-serif;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: rgba(167, 139, 250, 0.95);
    background: rgba(139, 92, 246, 0.12);
    border: 1px solid rgba(139, 92, 246, 0.22);
    border-radius: 6px;
    padding: 4px 10px;
}

.pd-title {
    font-family: 'Playfair Display', serif;
    font-size: 2rem;
    font-weight: 700;
    color: rgba(255,255,255,0.97);
    line-height: 1.25;
    margin: 0 0 14px;
}

.pd-desc {
    font-family: 'DM Sans', sans-serif;
    font-size: 0.95rem;
    line-height: 1.75;
    color: rgba(200,200,225,0.75);
    max-width: 640px;
    margin: 0;
}

/* Divider */
.pd-divider {
    border: none;
    border-top: 1px solid rgba(255,255,255,0.07);
    margin: 28px 0;
}

/* Tech stack */
.pd-section-label {
    font-family: 'DM Sans', sans-serif;
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: rgba(139,92,246,0.7);
    margin: 0 0 14px;
}

.pd-tech-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 32px;
}

.pd-tech-chip {
    display: flex;
    align-items: center;
    gap: 8px;
    font-family: 'DM Sans', sans-serif;
    font-size: 0.84rem;
    font-weight: 500;
    color: rgba(220,220,240,0.88);
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 10px;
    padding: 8px 14px;
    transition: background 0.2s, border-color 0.2s, transform 0.25s cubic-bezier(0.34,1.56,0.64,1);
}

.pd-tech-chip:hover {
    background: rgba(139,92,246,0.1);
    border-color: rgba(139,92,246,0.25);
    transform: translateY(-2px);
}

.pd-tech-chip-dot {
    width: 8px; height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
}

/* Features list */
.pd-features {
    list-style: none;
    padding: 0; margin: 0 0 32px;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 10px;
}

.pd-features li {
    font-family: 'DM Sans', sans-serif;
    font-size: 0.875rem;
    color: rgba(200,200,225,0.78);
    display: flex;
    align-items: flex-start;
    gap: 10px;
    line-height: 1.55;
}

.pd-features li::before {
    content: '';
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    margin-top: 1px;
    background: rgba(139,92,246,0.18);
    border: 1px solid rgba(139,92,246,0.3);
    border-radius: 50%;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 10 10' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M2 5l2.5 2.5L8 3' stroke='%238B5CF6' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: center;
    background-size: 10px;
}

/* Screenshot carousel */
.pd-screenshots-label {
    font-family: 'DM Sans', sans-serif;
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: rgba(139,92,246,0.7);
    margin: 0 0 14px;
}

.pd-carousel {
    position: relative;
    overflow: hidden;
    border-radius: 16px;
    border: 1px solid rgba(255,255,255,0.08);
    margin-bottom: 32px;
    background: rgba(255,255,255,0.02);
}

.pd-carousel-track {
    display: flex;
    transition: transform 0.45s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.pd-carousel-slide {
    min-width: 100%;
    aspect-ratio: 16/9;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    position: relative;
}

/* Placeholder slide (when no real screenshots) */
.pd-carousel-slide--placeholder {
    aspect-ratio: 16/9;
}

.pd-ss-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    font-family: 'DM Sans', sans-serif;
    font-size: 0.82rem;
    color: rgba(180,180,210,0.45);
}

.pd-ss-placeholder svg {
    width: 44px; height: 44px;
    color: rgba(139,92,246,0.3);
}

.pd-carousel-slide img {
    /* width: 100%; */
    height: 100%;
    object-fit: cover;
    border-radius: 0;
}

/* Carousel arrows */
.pd-carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 40px; height: 40px;
    background: rgba(10,10,20,0.75);
    backdrop-filter: blur(6px);
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: 50%;
    color: rgba(220,220,240,0.9);
    cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    z-index: 5;
    transition: background 0.2s, transform 0.3s cubic-bezier(0.34,1.56,0.64,1);
}

.pd-carousel-btn:hover {
    background: rgba(139,92,246,0.3);
    transform: translateY(-50%) scale(1.1);
}

.pd-carousel-btn svg { width: 18px; height: 18px; }

.pd-carousel-btn--prev { left: 12px; }
.pd-carousel-btn--next { right: 12px; }

/* Carousel dots */
.pd-carousel-dots {
    display: flex;
    justify-content: center;
    gap: 7px;
    padding: 12px 0 4px;
}

.pd-dot {
    width: 7px; height: 7px;
    border-radius: 50%;
    background: rgba(255,255,255,0.2);
    border: none;
    cursor: pointer;
    transition: background 0.25s, transform 0.25s cubic-bezier(0.34,1.56,0.64,1);
    padding: 0;
}

.pd-dot.pd-dot--active {
    background: #8B5CF6;
    transform: scale(1.35);
}

/* CTA buttons */
.pd-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.pd-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: 'DM Sans', sans-serif;
    font-size: 0.9rem;
    font-weight: 600;
    padding: 12px 22px;
    border-radius: 12px;
    text-decoration: none;
    transition:
        background 0.25s,
        transform 0.3s cubic-bezier(0.34,1.56,0.64,1),
        box-shadow 0.25s;
    cursor: pointer;
    border: none;
}

.pd-btn svg { width: 18px; height: 18px; flex-shrink: 0; }

.pd-btn--primary {
    background: linear-gradient(135deg, #7c3aed 0%, #6d28d9 100%);
    color: #fff;
    box-shadow: 0 4px 20px rgba(124,58,237,0.35);
}

.pd-btn--primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 28px rgba(124,58,237,0.5);
}

.pd-btn--outline {
    background: transparent;
    color: rgba(220,220,240,0.85);
    border: 1px solid rgba(255,255,255,0.15);
}

.pd-btn--outline:hover {
    background: rgba(255,255,255,0.07);
    transform: translateY(-2px);
}

/* ── Escape-key hint ── */
.pd-esc-hint {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    font-family: 'DM Sans', sans-serif;
    font-size: 0.75rem;
    color: rgba(180,180,210,0.38);
    pointer-events: none;
    letter-spacing: 0.04em;
}

/* ── Body lock when overlay open ── */
body.pd-locked {
    overflow: hidden;
}