/* ====== ПОРТФОЛИО (Glass Premium) ====== */
.portfolio-page {
    padding-top: 0;
}

.portfolio-hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    background: var(--bg-main);
}

.portfolio-hero-bg {
    position: absolute;
    inset: 0;
    z-index: 1;
}

.portfolio-hero-image {
    position: absolute;
    inset: 0;
    background: url('https://images.unsplash.com/photo-1600607687939-ce8a6c25118c?w=1920&q=80') center/cover no-repeat;
}

.portfolio-hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(14,17,23,0.85) 0%, rgba(14,17,23,0.55) 50%, rgba(14,17,23,0.75) 100%);
    backdrop-filter: blur(6px) saturate(140%);
    -webkit-backdrop-filter: blur(6px) saturate(140%);
}

.portfolio-hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    padding: 140px 0 80px;
    opacity: 1;
}

.portfolio-hero h1 {
    font-family: var(--font-heading);
    font-size: 52px;
    font-weight: 700;
    color: var(--text-main);
    line-height: 1.15;
    margin-bottom: 24px;
    letter-spacing: -0.02em;
}

.portfolio-hero h1 .accent {
    background: linear-gradient(135deg, var(--accent-gold) 0%, var(--accent-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 20px rgba(200,169,110,0.2);
}

.portfolio-hero-subtitle {
    font-size: 20px;
    color: rgba(240,238,229,0.75);
    margin-bottom: 40px;
    line-height: 1.7;
}

.portfolio-hero-stats {
    display: flex;
    gap: 40px;
    margin-bottom: 40px;
}

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

.hero-stat-number {
    font-family: var(--font-heading);
    font-size: 36px;
    font-weight: 800;
    color: var(--accent-gold);
    line-height: 1;
}

.hero-stat-label {
    font-size: 14px;
    color: rgba(240,238,229,0.6);
}

/* Липкие фильтры */
.portfolio-filters {
    padding: 16px 0;
    background: rgba(14, 17, 23, 0.75);
    backdrop-filter: blur(24px) saturate(180%);
    -webkit-backdrop-filter: blur(24px) saturate(180%);
    border-bottom: 1px solid rgba(200,169,110,0.15);
    position: sticky;
    top: 80px;           /* высота хедера */
    z-index: 100;
}

.filters-wrapper {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 24px;
}

.filter-group {
    display: flex;
    align-items: center;
    gap: 10px;
}

.filter-label {
    font-size: 10px;
    font-weight: 600;
    color: rgba(240,238,229,0.4);
    text-transform: uppercase;
    letter-spacing: 1px;
    white-space: nowrap;
}

.filter-tags {
    display: flex;
    gap: 6px;
}

.filter-tag {
    padding: 8px 14px;
    font-size: 12px;
    font-weight: 500;
    color: rgba(240,238,229,0.6);
    background: transparent;
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.25s var(--transition-smooth);
    white-space: nowrap;
}

.filter-tag:hover {
    background: rgba(255,255,255,0.05);
    border-color: rgba(var(--text-main-rgb),0.2);
    color: rgba(240,238,229,0.9);
}

.filter-tag.active {
    background: rgba(200,169,110,0.12);
    border-color: rgba(200,169,110,0.5);
    color: var(--accent-gold);
}

/* Сетка проектов */
.portfolio-grid-section {
    padding: 80px 0;
    background: var(--bg-main);
}

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 40px;
}

.section-title {
    position: relative;
    font-family: var(--font-heading);
    font-size: 32px;
    font-weight: 700;
    color: var(--text-main);
    padding-left: 20px;
}

.section-title::before {
    content: '';
    position: absolute;
    left: 0;
    top: 6px;
    bottom: 6px;
    width: 4px;
    background: linear-gradient(180deg, var(--accent-gold), rgba(200,169,110,0.3));
    border-radius: 2px;
}

.results-count {
    font-size: 14px;
    color: rgba(240,238,229,0.5);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

/* Карточка проекта */
.project-card {
    position: relative;
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
    -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    overflow: hidden;
    transition: all 0.4s var(--transition-smooth);
    cursor: pointer;
}

.project-card:hover {
    transform: translateY(-8px);
    border-color: rgba(200,169,110,0.4);
    box-shadow: 0 25px 50px rgba(0,0,0,0.4);
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--accent-gold), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 2;
}

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

.project-card.featured {
    grid-column: span 2;
    grid-row: span 2;
}

.project-card.featured .project-image {
    aspect-ratio: auto;
    height: 100%;
    min-height: 400px;
}

.project-image {
    position: relative;
    overflow: hidden;
    aspect-ratio: 4/3;
}

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

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

.project-type-badge {
    position: absolute;
    top: 16px;
    left: 16px;
    padding: 6px 12px;
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-radius: 6px;
    background: rgba(14,17,23,0.85);
    backdrop-filter: blur(10px);
    color: var(--accent-gold);
    border: 1px solid rgba(200,169,110,0.25);
}

.project-content {
    padding: 24px;
}

.project-title {
    font-family: var(--font-heading);
    font-size: 20px;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 8px;
    line-height: 1.3;
}

.project-card.featured .project-title {
    font-size: 26px;
}

.project-works {
    font-size: 14px;
    color: rgba(240,238,229,0.65);
    margin-bottom: 16px;
}

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

.feature-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    font-size: 12px;
    font-weight: 500;
    background: rgba(200,169,110,0.1);
    border: 1px solid rgba(200,169,110,0.2);
    border-radius: 20px;
    color: rgba(240,238,229,0.8);
}

.feature-tag svg {
    width: 14px;
    height: 14px;
    color: var(--accent-gold);
}

.project-meta {
    display: flex;
    align-items: center;
    gap: 16px;
    padding-top: 16px;
    border-top: 1px solid rgba(255,255,255,0.06);
    font-size: 13px;
    color: rgba(240,238,229,0.5);
}

.project-meta span {
    display: flex;
    align-items: center;
    gap: 6px;
}

.project-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    margin-top: 16px;
    font-size: 14px;
    font-weight: 600;
    color: var(--accent-gold);
    background: rgba(200,169,110,0.1);
    border: 1px solid rgba(200,169,110,0.2);
    border-radius: 8px;
    transition: all 0.3s var(--transition-smooth);
}

.project-link:hover {
    background: var(--accent-gold);
    color: #0E1117;
    border-color: transparent;
}

/* CTA внизу */
.portfolio-cta {
    padding: 100px 0;
    background: linear-gradient(180deg, #13171F 0%, #0E1117 50%, #13171F 100%);
    position: relative;
    overflow: hidden;
    text-align: center;
}

.portfolio-cta::before,
.portfolio-cta::after {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 300px;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent-gold), transparent);
}

.portfolio-cta::before { top: 0; }
.portfolio-cta::after { bottom: 0; }

.cta-content {
    max-width: 700px;
    margin: 0 auto;
}

.cta-content h2 {
    font-family: var(--font-heading);
    font-size: 36px;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 16px;
}

.cta-content p {
    font-size: 18px;
    color: rgba(240,238,229,0.75);
    margin-bottom: 32px;
    line-height: 1.7;
}

.cta-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

/* Адаптив */
@media (max-width: 1200px) {
    .portfolio-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .project-card.featured {
        grid-column: span 2;
        grid-row: span 1;
    }
}

@media (max-width: 1024px) {
    .portfolio-hero {
        min-height: 100dvh;
        padding: 130px 0 90px;
    }
    .portfolio-hero h1 { font-size: 40px; }
    .portfolio-hero-stats { gap: 24px; }
    .hero-stat-number { font-size: 28px; }
    .filters-wrapper { justify-content: center; }
}

@media (max-width: 768px) {
    .portfolio-hero { min-height: 100dvh; padding: 90px 0 80px; }
    .portfolio-hero h1 { font-size: 32px; }
    .portfolio-hero-subtitle { font-size: 16px; }
    .portfolio-hero-stats { flex-wrap: wrap; gap: 20px; }
    .filter-group { width: 100%; }
    .filter-tags { justify-content: flex-start; }
    .portfolio-grid { grid-template-columns: 1fr; }
    .project-card.featured { grid-column: span 1; }
    .section-header { flex-direction: column; gap: 12px; align-items: flex-start; }
    .cta-content h2 { font-size: 28px; }
    .cta-buttons { flex-direction: column; }
}

@media (max-width: 480px) {
    .portfolio-hero h1 { font-size: 28px; }
    .hero-stat-number { font-size: 24px; }
    .filter-tag { padding: 8px 14px; font-size: 12px; }
}