/* =========================================
   SINGLE PROJECT — Page Styles
   ========================================= */

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #050505;
}

::-webkit-scrollbar-thumb {
    background: #333;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #6366f1;
}

/* Scroll Progress Bar */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 3px;
    background: linear-gradient(to right, #6366f1, #a855f7);
    z-index: 100;
    transition: width 0.1s ease;
}

/* Custom Cursor */
@media (min-width: 768px) {
    * {
        cursor: none !important;
    }
}

.cursor-dot,
.cursor-outline {
    position: fixed;
    top: 0;
    left: 0;
    transform: translate(-50%, -50%);
    border-radius: 50%;
    z-index: 9999;
    pointer-events: none;
}

.cursor-dot {
    width: 8px;
    height: 8px;
    background-color: white;
}

.cursor-outline {
    width: 40px;
    height: 40px;
    border: 1px solid rgba(255, 255, 255, 0.5);
    transition: width 0.2s, height 0.2s, background-color 0.2s;
}

.cursor-outline.hover {
    width: 60px;
    height: 60px;
    background-color: rgba(255, 255, 255, 0.1);
    border-color: transparent;
}

/* ─── Ambient Orbs ─── */
.ambient-orb {
    position: fixed;
    border-radius: 50%;
    pointer-events: none;
    z-index: -1;
    filter: blur(120px);
}

/* ─── Project Hero ─── */
.project-hero {
    position: relative;
    overflow: hidden;
}

.project-hero-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 12s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.project-hero:hover .project-hero-image {
    transform: scale(1.05);
}

.project-hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top,
            rgba(5, 5, 5, 1) 0%,
            rgba(5, 5, 5, 0.7) 30%,
            rgba(5, 5, 5, 0.3) 60%,
            rgba(5, 5, 5, 0.15) 100%);
    z-index: 1;
}

/* ─── Info Bar ─── */
.project-info-bar {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 1.5rem;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    transition: border-color 0.4s ease, box-shadow 0.4s ease;
}

.project-info-bar:hover {
    border-color: rgba(255, 255, 255, 0.15);
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.3);
}

.info-item {
    padding: 1.5rem 0;
    text-align: center;
}

.info-item:not(:last-child) {
    border-right: 1px solid rgba(255, 255, 255, 0.06);
}

@media (max-width: 767px) {
    .info-item:not(:last-child) {
        border-right: none;
        border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    }
}

.info-item .info-label {
    font-size: 0.6875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: rgba(255, 255, 255, 0.35);
    margin-bottom: 0.5rem;
}

.info-item .info-value {
    font-family: 'Syne', sans-serif;
    font-size: 1rem;
    font-weight: 600;
    color: white;
}

/* ─── Content Sections ─── */
.content-section h2 {
    font-family: 'Syne', sans-serif;
    font-size: 2rem;
    font-weight: 700;
    color: white;
    margin-bottom: 1.25rem;
    position: relative;
    display: inline-block;
}

.content-section h2::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 0;
    width: 40px;
    height: 3px;
    background: linear-gradient(to right, #6366f1, #a855f7);
    border-radius: 3px;
}

.content-section p {
    color: rgba(255, 255, 255, 0.55);
    line-height: 1.85;
    font-size: 1.0625rem;
}

/* ─── Challenge/Solution Cards ─── */
.insight-card {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 1.25rem;
    padding: 2rem;
    position: relative;
    overflow: hidden;
    transition: border-color 0.4s ease, transform 0.4s ease;
}

.insight-card:hover {
    border-color: rgba(255, 255, 255, 0.18);
    transform: translateY(-4px);
}

.insight-card .card-glow {
    position: absolute;
    width: 200px;
    height: 200px;
    border-radius: 50%;
    filter: blur(60px);
    pointer-events: none;
    top: -60px;
    right: -60px;
    opacity: 0.4;
    transition: opacity 0.4s ease;
}

.insight-card:hover .card-glow {
    opacity: 0.7;
}

.insight-card .card-number {
    font-family: 'Syne', sans-serif;
    font-size: 3.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.02));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: absolute;
    top: 1rem;
    right: 1.5rem;
    line-height: 1;
}

.insight-card h3 {
    font-family: 'Syne', sans-serif;
    font-size: 1.375rem;
    font-weight: 700;
    color: white;
    margin-bottom: 0.75rem;
}

.insight-card p {
    color: rgba(255, 255, 255, 0.45);
    line-height: 1.75;
    font-size: 0.9375rem;
}

/* ─── Gallery Grid ─── */
.gallery-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
}

@media (min-width: 640px) {
    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .gallery-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.gallery-item {
    position: relative;
    border-radius: 1rem;
    overflow: hidden;
    cursor: pointer;
    aspect-ratio: 4 / 3;
    border: 1px solid rgba(255, 255, 255, 0.06);
    transition: transform 0.4s ease, border-color 0.4s ease;
}

.gallery-item:hover {
    transform: scale(1.02);
    border-color: rgba(255, 255, 255, 0.2);
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.gallery-item:hover img {
    transform: scale(1.08);
}

.gallery-item .gallery-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.gallery-item:hover .gallery-overlay {
    opacity: 1;
}

.gallery-item .gallery-overlay i {
    font-size: 1.5rem;
    color: white;
    transform: scale(0.7);
    transition: transform 0.3s ease;
}

.gallery-item:hover .gallery-overlay i {
    transform: scale(1);
}

/* Gallery item size variants */
.gallery-item.wide {
    grid-column: span 2;
}

/* ─── Lightbox ─── */
.lightbox {
    position: fixed;
    inset: 0;
    z-index: 10000;
    background: rgba(0, 0, 0, 0.92);
    backdrop-filter: blur(20px);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.4s ease, visibility 0.4s ease;
}

.lightbox.active {
    opacity: 1;
    visibility: visible;
}

.lightbox img {
    max-width: 90vw;
    max-height: 85vh;
    object-fit: contain;
    border-radius: 1rem;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6);
    transform: scale(0.9);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.lightbox.active img {
    transform: scale(1);
}

.lightbox-close {
    position: absolute;
    top: 2rem;
    right: 2rem;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.2);
    background: rgba(255, 255, 255, 0.05);
    color: white;
    font-size: 1.125rem;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 10001;
}

.lightbox-close:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.4);
    transform: rotate(90deg);
}

.lightbox-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 48px;
    height: 48px;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.15);
    background: rgba(255, 255, 255, 0.05);
    color: white;
    font-size: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.lightbox-nav:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.35);
}

.lightbox-prev {
    left: 2rem;
}

.lightbox-next {
    right: 2rem;
}

/* ─── Next/Prev Project Navigation ─── */
.project-nav-link {
    display: block;
    padding: 3rem 2rem;
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 1.5rem;
    background: rgba(255, 255, 255, 0.02);
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    text-decoration: none;
}

.project-nav-link:hover {
    border-color: rgba(255, 255, 255, 0.15);
    background: rgba(255, 255, 255, 0.04);
    transform: translateY(-4px);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.3);
}

.project-nav-link .nav-glow {
    position: absolute;
    width: 250px;
    height: 250px;
    border-radius: 50%;
    filter: blur(80px);
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.5s ease;
}

.project-nav-link:hover .nav-glow {
    opacity: 0.3;
}

.project-nav-link .nav-arrow {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.15);
    transition: all 0.4s ease;
}

.project-nav-link:hover .nav-arrow {
    border-color: rgba(99, 102, 241, 0.6);
    background: rgba(99, 102, 241, 0.1);
}

/* ─── Footer ─── */
.single-footer {
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.single-footer a:hover {
    color: #a5b4fc;
}

/* ─── Reveal Animations ─── */
.reveal-up {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal-up.revealed {
    opacity: 1;
    transform: translateY(0);
}