/* =====================================================
   PROJECTS PAGE STYLES
   ===================================================== */

/* ----- Projects Hero ----- */
.projects-hero {
    min-height: 60vh;
    display: flex;
    align-items: center;
    padding: calc(var(--nav-height) + var(--space-3xl)) var(--space-lg) var(--space-2xl);
    background: var(--black);
    position: relative;
    overflow: hidden;
}

.projects-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at 30% 50%, var(--primary-glow) 0%, transparent 50%);
    pointer-events: none;
}

.projects-title {
    font-size: clamp(2.5rem, 8vw, 6rem);
    font-weight: 700;
    line-height: 1;
    margin-bottom: var(--space-lg);
    animation: fadeInUp 1s var(--ease-out-expo) 0.3s both;
}

.projects-title .title-line {
    display: block;
}

.projects-subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--gray-400);
    max-width: 600px;
    line-height: 1.7;
    animation: fadeInUp 1s var(--ease-out-expo) 0.5s both;
}

/* ----- Projects Section ----- */
.section-projects {
    background: var(--gray-900);
    padding: var(--space-3xl) var(--space-lg);
}

/* ----- Project Card ----- */
.project-card {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 24px;
    padding: var(--space-2xl);
    margin-bottom: var(--space-2xl);
    transition: all var(--duration-slow) var(--ease-out-expo);
    position: relative;
    overflow: hidden;
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity var(--duration-base);
}

.project-card:hover {
    background: rgba(255, 255, 255, 0.04);
    border-color: rgba(0, 240, 255, 0.2);
}

.project-card:hover::before {
    opacity: 1;
}

.project-card:last-child {
    margin-bottom: 0;
}

/* Project Header */
.project-header {
    margin-bottom: var(--space-xl);
}

.project-meta {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-md);
}

.project-number {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--primary);
    font-weight: 600;
}

.project-category {
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    color: var(--gray-500);
    text-transform: uppercase;
    padding: var(--space-xs) var(--space-sm);
    background: rgba(255, 255, 255, 0.05);
    border-radius: 4px;
}

.project-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    margin-bottom: var(--space-sm);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.project-tagline {
    font-size: 1.25rem;
    color: var(--gray-300);
    font-weight: 500;
}

.project-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    margin-top: var(--space-md);
    padding: var(--space-sm) var(--space-md);
    background: rgba(0, 240, 255, 0.1);
    border: 1px solid rgba(0, 240, 255, 0.3);
    border-radius: 6px;
    color: var(--primary);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    transition: all var(--duration-base);
}

.project-link:hover {
    background: rgba(0, 240, 255, 0.2);
    border-color: var(--primary);
    transform: translateX(4px);
}

.project-link svg {
    width: 16px;
    height: 16px;
    transition: transform var(--duration-base);
}

.project-link:hover svg {
    transform: translate(2px, -2px);
}

/* Project Content */
.project-content {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: var(--space-2xl);
    align-items: start;
}

@media (max-width: 1024px) {
    .project-content {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }
}

/* Project Description */
.project-description {
    position: relative;
}

.project-description p {
    color: var(--gray-400);
    line-height: 1.8;
    margin-bottom: var(--space-md);
}

.project-description p:last-of-type {
    margin-bottom: var(--space-xl);
}

.project-description strong {
    color: var(--white);
    font-weight: 600;
}

/* Project Features */
.project-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
}

@media (max-width: 600px) {
    .project-features {
        grid-template-columns: 1fr;
    }
}

.feature-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    background: rgba(0, 240, 255, 0.05);
    border: 1px solid rgba(0, 240, 255, 0.1);
    border-radius: 8px;
    font-size: 0.875rem;
    color: var(--gray-300);
    transition: all var(--duration-base);
}

.feature-item:hover {
    background: rgba(0, 240, 255, 0.1);
    border-color: rgba(0, 240, 255, 0.3);
}

.feature-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    color: var(--primary);
}

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

/* ----- Project Gallery ----- */
.project-gallery {
    position: relative;
}

.gallery-main {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 10;
    border-radius: 12px;
    overflow: hidden;
    background: var(--gray-800);
    margin-bottom: var(--space-md);
}

.gallery-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    transition: opacity var(--duration-slow) var(--ease-out-expo);
}

.gallery-image.active {
    opacity: 1;
}

.gallery-thumbs {
    display: flex;
    gap: var(--space-sm);
    flex-wrap: wrap;
}

.thumb {
    flex: 0 0 auto;
    width: 80px;
    height: 50px;
    border-radius: 6px;
    overflow: hidden;
    border: 2px solid transparent;
    background: var(--gray-800);
    cursor: pointer;
    transition: all var(--duration-base);
    padding: 0;
}

.thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.6;
    transition: opacity var(--duration-base);
}

.thumb:hover img,
.thumb.active img {
    opacity: 1;
}

.thumb.active {
    border-color: var(--primary);
}

.thumb:hover {
    border-color: var(--primary-dim);
}

/* ----- Video Container ----- */
.project-video-container {
    width: 100%;
}

.video-wrapper {
    position: relative;
    width: 100%;
    padding-bottom: 56.25%; /* 16:9 aspect ratio */
    border-radius: 12px;
    overflow: hidden;
    background: var(--gray-800);
}

.video-wrapper.video-short {
    padding-bottom: 56.25%; /* Same as regular 16:9 */
    max-width: 100%;
    margin: 0 auto;
}

.video-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}

/* Video project layout adjustment */
.project-video .project-content {
    grid-template-columns: 1fr 1fr;
}

@media (max-width: 1024px) {
    .project-video .project-content {
        grid-template-columns: 1fr;
    }

    .video-wrapper.video-short {
        max-width: 300px;
    }
}

/* ----- Featured Project ----- */
.project-featured {
    background: linear-gradient(135deg, rgba(0, 240, 255, 0.03) 0%, rgba(123, 97, 255, 0.03) 100%);
    border-color: rgba(0, 240, 255, 0.15);
}

.project-featured::before {
    opacity: 0.5;
}

/* ----- CTA Buttons ----- */
.cta-buttons {
    display: flex;
    justify-content: center;
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
}

/* ----- Nav Active State ----- */
.nav-link.active {
    color: var(--primary);
}

.nav-link.active::after {
    width: 100%;
}

/* ----- Scroll Animations ----- */
.project-card {
    opacity: 0;
    transform: translateY(40px);
}

.project-card.visible {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.8s var(--ease-out-expo), transform 0.8s var(--ease-out-expo);
}

/* Staggered animation delays */
.project-card:nth-child(1) { transition-delay: 0s; }
.project-card:nth-child(2) { transition-delay: 0.1s; }
.project-card:nth-child(3) { transition-delay: 0.15s; }
.project-card:nth-child(4) { transition-delay: 0.2s; }
.project-card:nth-child(5) { transition-delay: 0.25s; }
.project-card:nth-child(6) { transition-delay: 0.3s; }
.project-card:nth-child(7) { transition-delay: 0.35s; }

/* ----- Responsive Adjustments ----- */
@media (max-width: 768px) {
    .project-card {
        padding: var(--space-xl);
    }

    .project-header {
        margin-bottom: var(--space-lg);
    }

    .project-tagline {
        font-size: 1rem;
    }

    .gallery-thumbs {
        justify-content: center;
    }

    .thumb {
        width: 60px;
        height: 38px;
    }
}

@media (max-width: 480px) {
    .projects-hero {
        min-height: 50vh;
    }

    .project-card {
        padding: var(--space-lg);
        border-radius: 16px;
    }

    .project-meta {
        flex-wrap: wrap;
    }

    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
}