/* ===================================
   PORTFOLIO.CSS - Секция портфолио
   Унифицированная версия 2.0
   =================================== */

/* ===================================
   1. ОСНОВНАЯ СЕКЦИЯ
   =================================== */
.portfolio {
    padding: var(--spacing-3xl) 0;
    background: var(--color-bg-dark);
    position: relative;
    overflow: hidden;
}

/* ===================================
   2. ЗАГОЛОВОК СЕКЦИИ
   =================================== */
.portfolio__header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
    position: relative;
    z-index: 1;
}

.portfolio__badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 24px;
    background: var(--color-primary-light);
    border: 2px solid rgba(0, 166, 232, 0.3);
    border-radius: var(--radius-full);
    color: var(--color-primary);
    font-size: 14px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: var(--spacing-md);
    position: relative;
    overflow: hidden;
}

.portfolio__badge::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    animation: shine 3s infinite;
}

@keyframes shine {
    0%, 100% { left: -100%; }
    50% { left: 100%; }
}

.portfolio__badge svg {
    width: 20px;
    height: 20px;
    display: block;
}

/* ===================================
   3. КАРУСЕЛЬ
   =================================== */
.portfolio__carousel {
    position: relative;
    margin-bottom: var(--spacing-xl);
    z-index: 1;
}

.portfolio__carousel-wrapper {
    overflow: hidden;
    padding: 24px 0;
    margin: 0 -12px;
}

.portfolio__carousel-track {
    display: flex;
    gap: 24px;
    padding: 0 12px;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===================================
   4. КАРТОЧКА ПРОЕКТА (унифицирована)
   =================================== */
.portfolio-card {
    flex: 0 0 calc(33.333% - 16px);
    background: var(--color-surface);
    border-radius: var(--radius-xl);
    overflow: hidden;
    border: 2px solid var(--color-border);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    position: relative;
}

.portfolio-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.portfolio-card:hover::before {
    transform: scaleX(1);
}

.portfolio-card:hover {
    transform: translateY(-12px);
    border-color: var(--color-primary);
}

/* Изображение */
.portfolio-card__image {
    position: relative;
    width: 100%;
    height: 280px;
    overflow: hidden;
    background: linear-gradient(135deg, var(--color-surface-elevated) 0%, var(--color-surface) 100%);
}

.portfolio-card__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* Overlay с иконкой */
.portfolio-card__image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
            180deg,
            rgba(15, 23, 42, 0) 0%,
            rgba(15, 23, 42, 0.7) 100%
    );
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.4s ease;
}

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

.portfolio-card__zoom-icon {
    width: 64px;
    height: 64px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    transform: scale(0.8);
    transition: transform 0.3s ease;
    box-shadow: 0 8px 24px rgba(0, 166, 232, 0.4);
}

.portfolio-card:hover .portfolio-card__zoom-icon {
    transform: scale(1);
}

.portfolio-card__zoom-icon svg {
    width: 28px;
    height: 28px;
}

/* Бейдж категории (унифицирован) */
.portfolio-card__category {
    position: absolute;
    top: 16px;
    left: 16px;
    padding: 8px 18px;
    background: rgba(0, 166, 232, 0.95);
    backdrop-filter: var(--backdrop-blur-sm);
    border-radius: var(--radius-full);
    color: white;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    z-index: 1;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

/* Контент карточки */
.portfolio-card__content {
    padding: 28px;
}

.portfolio-card__title {
    font-family: var(--font-secondary);
    font-size: 20px;
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: 12px;
    line-height: 1.3;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.portfolio-card__description {
    font-size: 15px;
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: 20px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Метаинформация */
.portfolio-card__meta {
    display: flex;
    align-items: center;
    gap: 16px;
    padding-top: 20px;
    border-top: 1px solid var(--color-border);
}

.portfolio-card__meta-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--color-text-tertiary);
}

.portfolio-card__meta-item svg {
    width: 18px;
    height: 18px;
    color: var(--color-primary);
    flex-shrink: 0;
}

/* ===================================
   5. НАВИГАЦИЯ КАРУСЕЛИ (унифицирована)
   =================================== */
.portfolio__carousel-nav {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    margin-top: var(--spacing-lg);
}

.portfolio__arrow {
    width: 60px;
    height: 60px;
    background: var(--color-surface);
    border: 2px solid var(--color-border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-primary);
    transition: all 0.3s ease;
    cursor: pointer;
}

.portfolio__arrow:hover:not(:disabled) {
    background: var(--gradient-primary);
    border-color: var(--color-primary);
    color: white;
    transform: scale(1.1);
}

.portfolio__arrow:active:not(:disabled) {
    transform: scale(0.95);
}

.portfolio__arrow:disabled {
    opacity: 0.3;
    cursor: not-allowed;
    pointer-events: none;
}

.portfolio__arrow svg {
    width: 24px;
    height: 24px;
}

/* Dots индикатор (унифицирован) */
.portfolio__dots {
    display: flex;
    align-items: center;
    gap: 10px;
}

.portfolio__dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--color-border);
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    padding: 0;
}

.portfolio__dot.active {
    width: 36px;
    border-radius: 6px;
    background: var(--gradient-primary);
}

.portfolio__dot:hover:not(.active) {
    background: var(--color-primary);
    transform: scale(1.3);
}

/* ===================================
   6. FOOTER СЕКЦИИ (унифицирован)
   =================================== */
.portfolio__footer {
    text-align: center;
    margin-top: var(--spacing-xl);
}

.portfolio__view-all {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 18px 40px;
    background: var(--gradient-primary);
    color: white;
    border-radius: var(--radius-md);
    font-family: var(--font-secondary);
    font-weight: 700;
    font-size: 16px;
    transition: all 0.3s ease;
    border: 2px solid var(--color-primary);
    position: relative;
    overflow: hidden;
    text-decoration: none;
}

.portfolio__view-all::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%);
    transition: width 0.6s ease, height 0.6s ease;
}

.portfolio__view-all:hover::before {
    width: 400px;
    height: 400px;
}

.portfolio__view-all:hover {
    box-shadow: 0 0 0 4px rgba(0, 166, 232, 0.3);
    transform: translateY(-2px);
    color: white;
}

.portfolio__view-all:active {
    transform: translateY(0);
}

.portfolio__view-all svg {
    width: 20px;
    height: 20px;
    position: relative;
    z-index: 1;
    transition: transform 0.3s ease;
}

.portfolio__view-all:hover svg {
    transform: translateX(6px);
}

.portfolio__view-all span {
    position: relative;
    z-index: 1;
}

/* ===================================
   7. АДАПТИВНОСТЬ
   =================================== */

/* 1200px */
@media (max-width: 1200px) {
    .portfolio {
        padding: var(--spacing-2xl) 0;
    }

    .portfolio-card {
        flex: 0 0 calc(50% - 12px);
    }

    .portfolio-card__image {
        height: 260px;
    }

    .portfolio__arrow {
        width: 56px;
        height: 56px;
    }

    .portfolio__arrow svg {
        width: 22px;
        height: 22px;
    }
}

/* 992px */
@media (max-width: 992px) {
    .portfolio-card {
        flex: 0 0 calc(50% - 12px);
    }

    .portfolio-card__image {
        height: 240px;
    }

    .portfolio-card__content {
        padding: 24px;
    }

    .portfolio__arrow {
        width: 52px;
        height: 52px;
    }

    .portfolio__arrow svg {
        width: 20px;
        height: 20px;
    }

    .portfolio__view-all {
        padding: 16px 36px;
        font-size: 15px;
    }
}

/* 768px */
@media (max-width: 768px) {
    .portfolio__carousel-wrapper {
        margin: 0 -16px;
        padding: 20px 0;
    }

    .portfolio__carousel-track {
        gap: 16px;
        padding: 0 16px;
    }

    .portfolio-card {
        flex: 0 0 calc(100% - 32px);
    }

    .portfolio-card__image {
        height: 220px;
    }

    .portfolio-card__content {
        padding: 20px;
    }

    .portfolio-card__title {
        font-size: 18px;
    }

    .portfolio-card__description {
        font-size: 14px;
    }

    /* Скрыть стрелки на мобильных */
    .portfolio__arrow {
        display: none;
    }

    .portfolio__carousel-nav {
        margin-top: var(--spacing-md);
        gap: 16px;
    }

    .portfolio__view-all {
        width: 100%;
        padding: 16px 32px;
    }
}

/* 480px */
@media (max-width: 480px) {
    .portfolio-card__image {
        height: 200px;
    }

    .portfolio-card__content {
        padding: 18px;
    }

    .portfolio-card__title {
        font-size: 17px;
        margin-bottom: 10px;
    }

    .portfolio-card__description {
        font-size: 13px;
        margin-bottom: 16px;
    }

    .portfolio-card__meta {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
        padding-top: 16px;
    }

    .portfolio-card__meta-item {
        font-size: 12px;
    }

    .portfolio-card__meta-item svg {
        width: 16px;
        height: 16px;
    }

    .portfolio__view-all {
        padding: 14px 28px;
        font-size: 14px;
    }

    .portfolio__view-all svg {
        width: 18px;
        height: 18px;
    }
}

/* ===================================
   8. АНИМАЦИИ
   =================================== */
@media (prefers-reduced-motion: no-preference) {
    .portfolio-card {
        opacity: 0;
        transform: translateY(30px);
        animation: fadeInUp 0.6s ease-out forwards;
    }

    .portfolio-card:nth-child(1) { animation-delay: 0.1s; }
    .portfolio-card:nth-child(2) { animation-delay: 0.2s; }
    .portfolio-card:nth-child(3) { animation-delay: 0.3s; }

    @keyframes fadeInUp {
        from {
            opacity: 0;
            transform: translateY(30px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }
}

/* Отключение анимаций при reduced motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    .portfolio-card {
        animation: none;
        opacity: 1;
        transform: none;
    }

    .portfolio__carousel-track {
        transition: none;
    }
}

/* ===================================
   9. ACCESSIBILITY
   =================================== */
.portfolio-card:focus-visible,
.portfolio__arrow:focus-visible,
.portfolio__dot:focus-visible,
.portfolio__view-all:focus-visible {
    outline: 3px solid var(--color-primary);
    outline-offset: 2px;
}

@media (prefers-contrast: more) {
    .portfolio-card,
    .portfolio__arrow {
        border-width: 3px;
    }
}

/* ===================================
   10. PRINT
   =================================== */
@media print {
    .portfolio {
        background: white;
        padding: 20px 0;
    }

    .portfolio::before,
    .portfolio::after {
        display: none;
    }

    .portfolio__carousel-nav,
    .portfolio__view-all {
        display: none;
    }

    .portfolio-card {
        break-inside: avoid;
        flex: 0 0 100%;
    }

    .portfolio__carousel-track {
        flex-direction: column;
    }
}

/* ===================================
   КОНЕЦ PORTFOLIO.CSS
   =================================== */