/* ============================================
   PORTFOLIO PAGE STYLES - MODERN GRID
   ============================================ */

/* Portfolio Hero */
.portfolio-page-hero {
    min-height: 50vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 140px 24px 60px;
    overflow: hidden;
    background: var(--bg-primary);
}

.portfolio-hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.portfolio-hero-bg .grid-overlay {
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(103, 34, 181, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(103, 34, 181, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
}

.portfolio-hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.portfolio-hero-title {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 900;
    margin-bottom: 20px;
    letter-spacing: -0.02em;
}

.portfolio-hero-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto 40px;
}

/* Portfolio Filters */
.portfolio-filters {
    display: flex;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
    margin-top: 40px;
}

.filter-btn {
    padding: 10px 24px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 100px;
    color: var(--text-muted);
    font-family: inherit;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.filter-btn:hover {
    border-color: var(--primary);
    color: var(--text-primary);
}

.filter-btn.active {
    background: var(--gradient-1);
    border-color: transparent;
    color: var(--white);
    box-shadow: 0 4px 15px rgba(103, 34, 181, 0.3);
}

/* Portfolio Section */
.portfolio-page-section {
    padding: 60px 0 100px;
    background: var(--bg-secondary);
}

/* Projects Grid - Horizontal Cards */
.projects-grid {
    display: flex;
    flex-direction: column;
    gap: 32px;
    max-width: 1200px;
    margin: 0 auto;
}

/* Project Card - Horizontal Layout */
.project-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    position: relative;
    min-height: 400px;
    will-change: transform;
    transform: translateZ(0);
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--gradient-1);
    transform: scaleY(0);
    transition: transform 0.4s ease;
    z-index: 2;
}

.project-card:hover::before {
    transform: scaleY(1);
}

.project-card:hover {
    border-color: var(--primary);
    box-shadow: 0 20px 40px rgba(103, 34, 181, 0.15);
}

.project-card.hidden {
    display: none;
}

/* Project Content - Left Side */
.project-content {
    padding: 40px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
    z-index: 1;
}

.project-tags {
    display: flex;
    gap: 8px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.project-tag {
    padding: 4px 12px;
    background: rgba(103, 34, 181, 0.08);
    border: 1px solid rgba(103, 34, 181, 0.15);
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--primary);
    transition: all 0.3s ease;
}

.project-tag:hover {
    background: rgba(103, 34, 181, 0.15);
    transform: translateY(-1px);
}

.project-title {
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 800;
    margin-bottom: 12px;
    color: var(--text-primary);
    line-height: 1.2;
    letter-spacing: -0.02em;
}

.project-description {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 8px;
}

.description-text {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.project-description.expanded .description-text {
    -webkit-line-clamp: unset;
}

.see-more-btn {
    display: inline;
    padding: 0;
    background: none;
    border: none;
    color: var(--primary);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    margin-left: 4px;
    font-family: inherit;
    line-height: 1.4;
}

.see-more-btn:hover {
    text-decoration: underline;
}

/* Project Features - Minimal */
.project-features {
    margin-bottom: 20px;
}

.project-features ul {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.project-features li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.project-features li::before {
    content: '→';
    color: var(--primary);
    font-weight: 700;
    font-size: 0.9rem;
}

/* Project Tech Stack */
.project-tech-stack {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 24px;
}

.tech-badge {
    padding: 4px 12px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 100px;
    font-size: 0.75rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
    transition: all 0.3s ease;
}

.tech-badge:hover {
    background: rgba(103, 34, 181, 0.1);
    color: var(--primary);
    border-color: var(--primary);
    transform: translateY(-1px);
}

/* Project Stats - Horizontal */
.project-stats {
    display: flex;
    gap: 24px;
    margin-top: auto;
}

.project-stat {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.project-stat .stat-value {
    font-size: 1.1rem;
    font-weight: 800;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
}

.project-stat .stat-label {
    font-size: 0.7rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Project Image - Right Side (Device Mockup) */
.project-image {
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding: 40px;
}

.project-mockup {
    position: relative;
    width: 100%;
    max-width: 500px;
}

.device-laptop {
    position: relative;
    width: 100%;
    aspect-ratio: 16/10;
    background: #1a1a2e;
    border-radius: 12px 12px 0 0;
    padding: 8px 8px 0 8px;
    box-shadow: 
        0 25px 50px -12px rgba(0, 0, 0, 0.25),
        0 0 0 1px rgba(0, 0, 0, 0.1);
}

.device-laptop-screen {
    width: 100%;
    height: 100%;
    background: var(--bg-card);
    border-radius: 4px 4px 0 0;
    overflow: hidden;
    position: relative;
}

.device-laptop-screen img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top;
}

.device-laptop-base {
    width: 120%;
    height: 12px;
    background: linear-gradient(180deg, #c0c0c0 0%, #a0a0a0 100%);
    border-radius: 0 0 8px 8px;
    margin-left: -10%;
    position: relative;
}

.device-laptop-base::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: #909090;
    border-radius: 0 0 4px 4px;
}

.device-phone {
    position: absolute;
    bottom: -20px;
    left: -30px;
    width: 28%;
    aspect-ratio: 9/19;
    background: #1a1a2e;
    border-radius: 16px;
    padding: 6px;
    box-shadow: 
        0 20px 40px -10px rgba(0, 0, 0, 0.3),
        0 0 0 1px rgba(0, 0, 0, 0.1);
    z-index: 2;
}

.device-phone-screen {
    width: 100%;
    height: 100%;
    background: var(--bg-card);
    border-radius: 12px;
    overflow: hidden;
}

.device-phone-screen img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top;
}

/* Project Actions */
.project-actions {
    display: flex;
    gap: 12px;
    margin-top: 20px;
}

.project-action-btn {
    padding: 10px 20px;
    background: var(--gradient-1);
    border-radius: 8px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--white);
    font-size: 0.85rem;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(103, 34, 181, 0.4);
    text-decoration: none;
}

.project-action-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(103, 34, 181, 0.5);
}

.project-action-btn svg {
    width: 16px;
    height: 16px;
}

/* Portfolio CTA */
.portfolio-cta {
    padding: 100px 0;
    background: var(--bg-primary);
    position: relative;
    overflow: hidden;
}

.portfolio-cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--primary), transparent);
}

.cta-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.cta-content h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 900;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.cta-content p {
    color: var(--text-secondary);
    font-size: 1.125rem;
    margin-bottom: 32px;
}

.btn-large {
    padding: 16px 40px;
    font-size: 1.1rem;
}

/* Premium animations */
@keyframes cardReveal {
    from {
        opacity: 0;
        transform: translateY(24px);
        filter: blur(2px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
        filter: blur(0);
    }
}

@keyframes filterReveal {
    from {
        opacity: 0;
        transform: translateY(16px) scale(0.98);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(20px) scale(0.98);
    }
    to {
        opacity: 1;
        transform: translateX(0) scale(1);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.project-card.animate-in {
    animation: filterReveal 0.35s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.project-card.revealed {
    animation: cardReveal 0.5s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.project-card.revealed .project-content {
    animation: slideInLeft 0.5s cubic-bezier(0.16, 1, 0.3, 1) 0.08s both;
}

.project-card.revealed .project-image {
    animation: slideInRight 0.5s cubic-bezier(0.16, 1, 0.3, 1) 0.14s both;
}

.project-card.revealed .project-tags {
    animation: fadeInUp 0.4s cubic-bezier(0.16, 1, 0.3, 1) 0.18s both;
}

.project-card.revealed .project-title {
    animation: fadeInUp 0.4s cubic-bezier(0.16, 1, 0.3, 1) 0.22s both;
}

.project-card.revealed .project-description {
    animation: fadeInUp 0.4s cubic-bezier(0.16, 1, 0.3, 1) 0.26s both;
}

.project-card.revealed .project-features {
    animation: fadeInUp 0.4s cubic-bezier(0.16, 1, 0.3, 1) 0.3s both;
}

.project-card.revealed .project-tech-stack {
    animation: fadeInUp 0.4s cubic-bezier(0.16, 1, 0.3, 1) 0.34s both;
}

.project-card.revealed .project-stats {
    animation: fadeInUp 0.4s cubic-bezier(0.16, 1, 0.3, 1) 0.38s both;
}

.project-card.revealed .project-actions {
    animation: fadeInUp 0.4s cubic-bezier(0.16, 1, 0.3, 1) 0.42s both;
}

/* Stagger animation for cards */
.project-card:nth-child(1) { animation-delay: 0s; }
.project-card:nth-child(2) { animation-delay: 0.06s; }
.project-card:nth-child(3) { animation-delay: 0.12s; }
.project-card:nth-child(4) { animation-delay: 0.18s; }
.project-card:nth-child(5) { animation-delay: 0.24s; }
.project-card:nth-child(6) { animation-delay: 0.3s; }
.project-card:nth-child(7) { animation-delay: 0.36s; }
.project-card:nth-child(8) { animation-delay: 0.42s; }
.project-card:nth-child(9) { animation-delay: 0.48s; }
.project-card:nth-child(10) { animation-delay: 0.54s; }
.project-card:nth-child(11) { animation-delay: 0.6s; }
.project-card:nth-child(12) { animation-delay: 0.66s; }

/* Image hover zoom */
.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top;
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.project-card:hover .project-image img {
    transform: scale(1.04);
}

/* Shadow lift on hover */
.project-card:hover {
    box-shadow: 
        0 20px 40px -12px rgba(103, 34, 181, 0.16),
        0 0 0 1px rgba(103, 34, 181, 0.08);
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 1200px) {
    .projects-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .portfolio-page-hero {
        min-height: auto;
        padding: 120px 16px 60px;
    }
    
    .portfolio-filters {
        gap: 8px;
    }
    
    .filter-btn {
        padding: 8px 16px;
        font-size: 0.85rem;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .project-content {
        padding: 20px;
    }
    
    .project-stats {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 480px) {
    .portfolio-hero-title {
        font-size: 2rem;
    }
    
    .project-title {
        font-size: 1.1rem;
    }
    
    .project-features {
        display: none;
    }
    
    .project-tech-stack {
        margin-bottom: 12px;
        padding-bottom: 12px;
    }
    
    .project-stats {
        grid-template-columns: 1fr;
        gap: 6px;
    }
    
    .project-stat {
        display: flex;
        align-items: center;
        justify-content: space-between;
        text-align: left;
        padding: 8px 12px;
    }
    
    .project-stat .stat-label {
        margin-top: 0;
    }
}