/* ========================
   PROJECTS — asset/css/projects.css
   Image-forward card grid + premium filter system.
   ======================== */

/* ---- Active Nav Indicator ---- */
.nav-link, .mobile-link {
    position: relative;
    color: var(--text-muted); 
    transition: color 0.3s ease;
}
.nav-link:hover, .mobile-link:hover { color: var(--text-color); }
.nav-link.active, .mobile-link.active { color: var(--text-color); }

/* Desktop Dot */
.nav-link::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 50%;
    transform: translateX(-50%) scale(0);
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background-color: #FF61D2; 
    box-shadow: 0 0 8px rgba(255, 97, 210, 0.8);
    transition: transform 0.3s cubic-bezier(0.22, 1, 0.36, 1);
}
.nav-link.active::after { transform: translateX(-50%) scale(1); }

/* Mobile Dot */
.mobile-link { display: inline-block; }
.mobile-link::before {
    content: '';
    position: absolute;
    top: 50%;
    left: -24px;
    transform: translateY(-50%) scale(0);
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: #FF61D2;
    box-shadow: 0 0 12px rgba(255, 97, 210, 0.8);
    transition: transform 0.3s cubic-bezier(0.22, 1, 0.36, 1);
}
.mobile-link.active::before { transform: translateY(-50%) scale(1); }

.nav-contact-btn {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    padding: 8px 20px;
    border: 1px solid currentColor;
    border-radius: 999px;
    transition: background-color 0.3s ease, color 0.3s ease;
    display: inline-block;
}

.nav-contact-btn:hover {
    background-color: var(--text-color);
    color: var(--bg-color);
}

/* ========================
   HERO
   ======================== */
#prj-hero {
    padding-top: 10rem;
    padding-bottom: 4rem;
    background: var(--bg-color);
    position: relative;
    z-index: 10;
}
.prj-hero-inner {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 6vw;
}
.prj-hero-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}
.prj-eyebrow {
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.35em;
    font-weight: 500;
    opacity: 0.4;
}
.prj-hero-title {
    font-size: clamp(4rem, 12vw, 9rem);
    font-weight: 600;
    letter-spacing: -0.045em;
    line-height: 0.9;
    color: var(--text-color);
    margin-bottom: 2.5rem;
}
.prj-hero-sub {
    font-size: clamp(0.875rem, 1.3vw, 1rem);
    font-weight: 300;
    line-height: 1.8;
    color: var(--text-muted);
    max-width: 480px;
}

/* ========================
   FILTER BAR (Naked Typography Reset)
   ======================== */
/* Hide scrollbar for the horizontal scrolling filter container */
.no-scrollbar::-webkit-scrollbar { display: none; }
.no-scrollbar { -ms-overflow-style: none; scrollbar-width: none; }

/* Kill default browser focus/tap highlights so it doesn't flash grey/black */
.prj-filter {
    outline: none !important;
    -webkit-tap-highlight-color: transparent !important;
    background-color: transparent !important;
    box-shadow: none !important;
    border: none !important;
    cursor: pointer;
}
.prj-filter:focus,
.prj-filter:active {
    outline: none !important;
    background-color: transparent !important;
    box-shadow: none !important;
}

/* ========================
   PROJECTS GRID
   ======================== */
#prj-grid {
    background: var(--bg-color);
    position: relative;
    z-index: 10;
    padding-bottom: 8rem;
}
.prj-grid-inner {
    max-width: 1280px;
    margin: 0 auto;
    padding: 3rem 6vw 0;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}
@media (max-width: 768px) {
    .prj-grid-inner {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}

/* ---- Card ---- */
.prj-card {
    display: block;
    text-decoration: none;
    color: var(--text-color);
    grid-column: span 1;
}

/* Full-width card */
.prj-card--full {
    grid-column: span 2;
}
@media (max-width: 768px) {
    .prj-card--full { grid-column: span 1; }
}

/* ---- Image wrapper ---- */
.prj-card-img-wrap {
    position: relative;
    width: 100%;
    /* Standard card aspect ratio (Half Width) */
    aspect-ratio: 4 / 3; 
    border-radius: 1.5rem;
    overflow: hidden;
    background: var(--surface-color);
    /* Forces the parent to handle the GPU layer, protecting the image */
    transform: translateZ(0); 
}

/* Full-width card wrapper */
.prj-card--full .prj-card-img-wrap {
    /* Widescreen aspect ratio (Full Width) */
    aspect-ratio: 16 / 9;
}

@media (max-width: 768px) {
    /* Make everything standard widescreen on mobile since they stack */
    .prj-card-img-wrap,
    .prj-card--full .prj-card-img-wrap { 
        aspect-ratio: 16 / 9; 
    }
}

/* Image base state */
.prj-card-img {
    width: 100%;
    height: 100%;
    /* object-cover ensures the image fills the card without letterboxing */
    object-fit: cover;
    display: block;
    /* Lock the starting scale so the browser renders native 4K resolution */
    transform: scale(1);
    transition: transform 0.8s cubic-bezier(0.16, 1, 0.3, 1), filter 0.5s ease;
    filter: contrast(1.02);
}

html[data-theme='dark'] .prj-card-img {
    filter: saturate(0.85) brightness(0.88) contrast(1.05);
}

/* Image zoom hover state */
.prj-card:hover .prj-card-img {
    transform: scale(1.05);
}

html[data-theme='dark'] .prj-card:hover .prj-card-img {
    filter: saturate(0.95) brightness(0.94) contrast(1.05);
}

/* Hover overlay */
.prj-card-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: flex-end;
    justify-content: flex-end;
    padding: 1.5rem;
    background: linear-gradient(to top, rgba(0,0,0,0.42) 0%, transparent 55%);
    opacity: 0;
    transition: opacity 0.4s ease;
    border-radius: 1.5rem;
}
html[data-theme='dark'] .prj-card-overlay {
    background: linear-gradient(to top, rgba(0,0,0,0.62) 0%, rgba(111,76,255,0.06) 100%);
}
.prj-card:hover .prj-card-overlay { opacity: 1; }

/* View pill inside overlay */
.prj-card-view {
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: #fff;
    padding: 9px 18px;
    border: 1px solid rgba(255,255,255,0.3);
    border-radius: 999px;
    backdrop-filter: blur(8px);
    background: rgba(255,255,255,0.07);
    transform: translateY(6px);
    display: inline-block;
    transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}
.prj-card:hover .prj-card-view { transform: translateY(0); }

/* Card info row */
.prj-card-info {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding: 1.1rem 0.25rem 0;
    gap: 1rem;
}
.prj-card-left {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}
.prj-card-title {
    font-size: clamp(1rem, 1.6vw, 1.25rem);
    font-weight: 500;
    letter-spacing: -0.02em;
    color: var(--text-color);
    line-height: 1.2;
    transition: color 0.3s ease;
}
.prj-card:hover .prj-card-title { color: #6F4CFF; }

.prj-card-type {
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    font-weight: 500;
    color: var(--text-muted);
    opacity: 0.55;
}
.prj-card-year {
    font-size: 10px;
    letter-spacing: 0.1em;
    opacity: 0.28;
    font-variant-numeric: tabular-nums;
    flex-shrink: 0;
    padding-top: 0.1rem;
}

/* ---- Empty state ---- */
.prj-empty {
    display: none;
    text-align: center;
    padding: 6rem 6vw;
    font-size: 0.875rem;
    font-weight: 300;
    color: var(--text-muted);
    opacity: 0.6;
    letter-spacing: 0.05em;
}

/* Base state for GSAP reveals to prevent jumping */
.reveal-item { opacity: 0; }