:root {
    --accent: #CBF342;
    --accent-hover: #b8e000;
    --black: #111111;
    --dark: #232323;
    --gray: #666666;
    --light-gray: #f5f5f5;
    --border: #e8e8e8;
    --white: #ffffff;
    --font-heading: 'Stack Sans Headline', sans-serif;
    --font-body: 'Epunda Sans', sans-serif;
    --radius: 16px;
    --radius-sm: 12px;
    --shadow: 0 4px 24px rgba(0,0,0,0.06);
    --shadow-hover: 0 12px 48px rgba(0,0,0,0.12);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.portfolio-hero {
    position: relative;
    height: 70vh;
    min-height: 500px;
    overflow: hidden;
    display: flex;
    align-items: flex-end;
}

.portfolio-hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
    border-radius: 32px;
    overflow: hidden;
}

.portfolio-hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.portfolio-hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.85) 0%, rgba(0,0,0,0.3) 50%, rgba(0,0,0,0.1) 100%);
}

.portfolio-hero-content {
    position: relative;
    z-index: 2;
    padding-bottom: 4rem;
    max-width: 600px;
}

.portfolio-hero-title {
    font-family: var(--font-heading);
    font-size: 4rem;
    font-weight: 700;
    color: var(--white);
    line-height: 1.1;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

.portfolio-hero-subtitle {
    font-family: var(--font-body);
    font-size: 1.15rem;
    color: rgba(255,255,255,0.8);
    line-height: 1.6;
    margin-bottom: 2rem;
}

.btn-portfolio-hero {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 2rem;
    background: var(--accent);
    color: var(--black);
    border: none;
    border-radius: 50px;
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 700;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition);
}

.btn-portfolio-hero:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 28px rgba(203, 243, 66, 0.35);
}

.btn-portfolio-hero i {
    font-size: 0.9rem;
    transition: transform 0.3s ease;
}

.btn-portfolio-hero:hover i {
    transform: translateY(4px);
}

.portfolio-filters-section {
    padding: 2rem 0;
    background: var(--light-gray);
}

.portfolio-filters {
    display: flex;
    gap: 0.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

.filter-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: var(--light-gray);
    color: var(--gray);
    border: 2px solid transparent;
    border-radius: 50px;
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}

.filter-btn:hover {
    background: #eee;
    color: var(--black);
}

.filter-btn.active {
    background: var(--black);
    color: var(--white);
    border-color: var(--black);
}

.filter-btn i {
    font-size: 0.9rem;
}

/* ===== PORTFOLIO GRID ===== */
.portfolio-grid-section {
    padding: 3rem 0 5rem;
    background: var(--light-gray);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

/* ===== PORTFOLIO CARD ===== */
.portfolio-card {
    position: relative;
    border-radius: var(--radius);
    overflow: hidden;
    cursor: pointer;
    aspect-ratio: 4/3;
    transition: var(--transition);
}

.portfolio-card.large {
    grid-column: span 2;
    grid-row: span 2;
    aspect-ratio: auto;
}

.portfolio-card-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.portfolio-card:hover .portfolio-card-bg {
    transform: scale(1.08);
}

.portfolio-card-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.8) 0%, rgba(0,0,0,0.2) 50%, transparent 100%);
    transition: var(--transition);
}

.portfolio-card:hover .portfolio-card-overlay {
    background: linear-gradient(to top, rgba(0,0,0,0.9) 0%, rgba(0,0,0,0.4) 60%, rgba(0,0,0,0.1) 100%);
}

.portfolio-card-content {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 1.5rem;
    z-index: 2;
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.portfolio-card.large .portfolio-card-content {
    padding: 2rem;
}

.portfolio-card:hover .portfolio-card-content {
    opacity: 0;
    transform: translateY(10px);
    pointer-events: none;
}

.portfolio-card.large .portfolio-card-content {
    padding: 2rem;
}

.portfolio-card-title {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 0.35rem;
    line-height: 1.3;
}

.portfolio-card.large .portfolio-card-title {
    font-size: 1.5rem;
}

.portfolio-card-address {
    font-family: var(--font-body);
    font-size: 0.85rem;
    color: rgba(255,255,255,0.7);
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.35rem;
}

.portfolio-card-address i {
    font-size: 0.75rem;
}

.portfolio-card-price {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--accent);
}

.portfolio-card.large .portfolio-card-price {
    font-size: 1.5rem;
}

/* Hover info (hidden by default) */
.portfolio-card-hover {
    position: absolute;
    inset: 0;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    z-index: 3;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.portfolio-card.large .portfolio-card-hover {
    padding: 2rem;
}

.portfolio-card:hover .portfolio-card-hover {
    opacity: 1;
}

.hover-info {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.hover-row {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.hover-icon {
    width: 32px;
    height: 32px;
    background: rgba(255,255,255,0.15);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 0.85rem;
    flex-shrink: 0;
    transition: var(--transition);
}

.portfolio-card:hover .hover-icon {
    background: var(--accent);
    color: var(--black);
}

.portfolio-card:hover .hover-product {
    background: var(--accent);
    color: var(--black);
}

.portfolio-card:hover .hover-product i,
.portfolio-card:hover .hover-master i {
    color: inherit;
}

.hover-text {
    font-family: var(--font-body);
    font-size: 0.85rem;
    color: var(--white);
    line-height: 1.4;
}

.hover-text strong {
    display: block;
    font-weight: 600;
    font-size: 0.8rem;
    color: rgba(255,255,255,0.6);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 0.15rem;
}

/* Difficulty stars */
.difficulty-stars {
    display: flex;
    gap: 2px;
}

.difficulty-stars .star {
    color: var(--accent);
    font-size: 0.85rem;
}

.difficulty-stars .star.empty {
    color: rgba(255,255,255,0.3);
}

/* Product link */
.hover-product {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--accent);
    color: var(--black);
    border-radius: 50px;
    font-family: var(--font-body);
    font-size: 0.8rem;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    width: fit-content;
    margin-top: 0.5rem;
}

.hover-product:hover {
    background: var(--accent-hover);
    transform: scale(1.05);
}

.hover-product i {
    font-size: 0.75rem;
}

/* Master link */
.hover-master {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: rgba(255,255,255,0.15);
    color: var(--white);
    border-radius: 50px;
    font-family: var(--font-body);
    font-size: 0.8rem;
    font-weight: 500;
    text-decoration: none;
    transition: var(--transition);
    width: fit-content;
}

.hover-master:hover {
    background: rgba(255,255,255,0.25);
}

.hover-master i {
    font-size: 0.75rem;
}

/* ===== MODAL ===== */
.portfolio-modal-overlay {
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: rgba(0,0,0,0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    backdrop-filter: blur(8px);
}

.portfolio-modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.portfolio-modal {
    background: var(--white);
    border-radius: 20px;
    max-width: 700px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    transform: translateY(30px) scale(0.96);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 32px 100px rgba(0,0,0,0.25);
}

.portfolio-modal-overlay.active .portfolio-modal {
    transform: translateY(0) scale(1);
}

.portfolio-modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    z-index: 10;
    width: 44px;
    height: 44px;
    border: none;
    background: rgba(255,255,255,0.95);
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: var(--dark);
    transition: var(--transition);
    box-shadow: 0 2px 12px rgba(0,0,0,0.1);
}

.portfolio-modal-close:hover {
    background: var(--white);
    color: var(--black);
    transform: rotate(90deg);
}

.portfolio-modal-close i {
    font-size: 1.1rem;
}

.portfolio-modal-body {
    padding: 0;
}

/* Modal image */
.modal-hero {
    position: relative;
    height: 300px;
    background-size: cover;
    background-position: center;
    border-radius: 20px 20px 0 0;
    overflow: hidden;
}

.modal-hero::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.5) 0%, transparent 50%);
}

/* Modal content */
.modal-content {
    padding: 2.5rem;
}

.modal-title {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 700;
    color: var(--black);
    margin-bottom: 0.5rem;
}

.modal-price {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--accent-hover);
    margin-bottom: 2rem;
}

/* Modal info grid */
.modal-info-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
    margin-bottom: 2rem;
}

.modal-info-item {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 1rem;
    background: var(--light-gray);
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.modal-info-item:hover {
    background: #eee;
}

.modal-info-icon {
    width: 40px;
    height: 40px;
    background: var(--black);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    font-size: 1rem;
    flex-shrink: 0;
}

.modal-info-text {
    font-family: var(--font-body);
    font-size: 0.85rem;
    color: var(--gray);
    line-height: 1.5;
}

.modal-info-text strong {
    display: block;
    font-weight: 600;
    color: var(--black);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 0.25rem;
}

/* Difficulty */
.modal-difficulty {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.modal-difficulty .star {
    color: var(--accent-hover);
    font-size: 1.1rem;
}

.modal-difficulty .star.empty {
    color: #ddd;
}

.modal-difficulty-label {
    font-family: var(--font-body);
    font-size: 0.85rem;
    color: var(--gray);
    margin-left: 0.5rem;
}

/* Product link in modal */
.modal-product-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: var(--black);
    color: var(--white);
    border-radius: 50px;
    font-family: var(--font-body);
    font-size: 0.9rem;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
}

.modal-product-link:hover {
    background: #333;
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(0,0,0,0.2);
}

.modal-product-link i {
    font-size: 0.85rem;
}

/* Master link in modal */
.modal-master-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: transparent;
    color: var(--dark);
    border: 2px solid var(--border);
    border-radius: 50px;
    font-family: var(--font-body);
    font-size: 0.9rem;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
}

.modal-master-link:hover {
    border-color: var(--black);
    color: var(--black);
    transform: translateY(-2px);
}

.modal-master-link i {
    font-size: 0.85rem;
}

/* Modal CTA */
.modal-cta {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border);
}

/* ===== ANIMATIONS ===== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(24px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.portfolio-card {
    animation: fadeInUp 0.5s ease forwards;
    opacity: 0;
}

/* ===== SCROLLBAR ===== */
.portfolio-modal::-webkit-scrollbar {
    width: 6px;
}

.portfolio-modal::-webkit-scrollbar-track {
    background: transparent;
}

.portfolio-modal::-webkit-scrollbar-thumb {
    background: #ccc;
    border-radius: 3px;
}

.portfolio-modal::-webkit-scrollbar-thumb:hover {
    background: #999;
}

/* ===== RESPONSIVE ===== */

/* Tablet */
@media (max-width: 991px) {
    .portfolio-hero {
        height: 60vh;
        min-height: 400px;
    }

    .portfolio-hero-title {
        font-size: 3rem;
    }

    .portfolio-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }

    .portfolio-card.large {
        grid-column: span 2;
        grid-row: span 1;
        aspect-ratio: 16/7;
    }

    .modal-info-grid {
        grid-template-columns: 1fr;
    }

    .modal-title {
        font-size: 1.5rem;
    }

    .modal-price {
        font-size: 1.35rem;
    }
}

/* Mobile */
@media (max-width: 767px) {
    .portfolio-hero {
        height: 50vh;
        min-height: 350px;
        align-items: flex-end;
    }

    .portfolio-hero-content {
        padding-bottom: 2rem;
    }

    .portfolio-hero-title {
        font-size: 2.2rem;
    }

    .portfolio-hero-subtitle {
        font-size: 1rem;
    }

    .portfolio-filters-section {
        padding: 1.25rem 0;
    }

    .portfolio-filters {
        justify-content: flex-start;
        overflow-x: auto;
        flex-wrap: nowrap;
        padding-bottom: 0.5rem;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
    }

    .portfolio-filters::-webkit-scrollbar {
        display: none;
    }

    .filter-btn {
        padding: 0.4rem 0.6rem;
        font-size: 0.7rem;
        white-space: nowrap;
        flex-shrink: 0;
        gap: 0.25rem;
    }

    .filter-btn i {
        font-size: 0.65rem;
    }

    .portfolio-grid-section {
        padding: 2rem 0 3rem;
    }

    .portfolio-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .portfolio-card,
    .portfolio-card.large {
        grid-column: span 1;
        grid-row: span 1;
        aspect-ratio: 16/10;
    }

    .portfolio-card-content {
        padding: 1rem;
    }

    .portfolio-card-title {
        font-size: 1rem;
    }

    .portfolio-card-price {
        font-size: 1.1rem;
    }

    .portfolio-card-hover {
        padding: 1rem;
    }

    /* Modal mobile */
    .portfolio-modal-overlay {
        padding: 0;
        align-items: flex-end;
    }

    .portfolio-modal {
        max-height: 92vh;
        border-radius: 24px 24px 0 0;
        max-width: 100%;
    }

    .portfolio-modal-overlay.active .portfolio-modal {
        transform: translateY(0) scale(1);
    }

    .modal-hero {
        height: 220px;
        border-radius: 24px 24px 0 0;
    }

    .modal-content {
        padding: 1.5rem;
    }

    .modal-title {
        font-size: 1.35rem;
    }

    .modal-price {
        font-size: 1.25rem;
        margin-bottom: 1.5rem;
    }

    .modal-cta {
        flex-direction: column;
    }

    .modal-product-link,
    .modal-master-link {
        width: 100%;
        justify-content: center;
    }
}