/**
 * SeoTiGR — Portfolio Styles
 * Стилі для портфоліо та кейсів
 */

/* ============================================================
   Сітка портфоліо
   ============================================================ */

.seotigr-portfolio__filters {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-bottom: 2.5rem;
}

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

/* Великий кейс — подвійна ширина */
.seotigr-portfolio__grid .seotigr-portfolio-card--featured {
    grid-column: span 2;
}

/* ============================================================
   Картка портфоліо
   ============================================================ */

.seotigr-portfolio-card {
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow);
    background: var(--color-primary-dark, #1E2E24);
    cursor: pointer;
    transition: transform var(--transition), box-shadow var(--transition);
}

.seotigr-portfolio-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
}

.seotigr-portfolio-card__image {
    position: relative;
    overflow: hidden;
    aspect-ratio: 3 / 2;
}

.seotigr-portfolio-card--featured .seotigr-portfolio-card__image {
    aspect-ratio: 16 / 9;
}

.seotigr-portfolio-card__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease, filter 0.3s ease;
    filter: brightness(0.9);
}

.seotigr-portfolio-card:hover .seotigr-portfolio-card__image img {
    transform: scale(1.06);
    filter: brightness(0.7);
}

/* Overlay при hover */
.seotigr-portfolio-card__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to top,
        rgba(30, 46, 36, 0.95) 0%,
        rgba(30, 46, 36, 0.5) 40%,
        transparent 70%
    );
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 1.5rem;
    transition: background var(--transition);
}

.seotigr-portfolio-card:hover .seotigr-portfolio-card__overlay {
    background: linear-gradient(
        to top,
        rgba(30, 46, 36, 0.98) 0%,
        rgba(30, 46, 36, 0.75) 50%,
        rgba(30, 46, 36, 0.2) 80%
    );
}

.seotigr-portfolio-card__category {
    display: inline-block;
    padding: 0.2rem 0.75rem;
    background-color: var(--color-accent);
    color: var(--color-primary);
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.625rem;
    align-self: flex-start;
    transition: transform var(--transition);
}

.seotigr-portfolio-card:hover .seotigr-portfolio-card__category {
    transform: translateY(-4px);
}

.seotigr-portfolio-card__title {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: 0.375rem;
    line-height: 1.3;
    transition: transform var(--transition);
}

.seotigr-portfolio-card--featured .seotigr-portfolio-card__title {
    font-size: 1.625rem;
}

.seotigr-portfolio-card:hover .seotigr-portfolio-card__title {
    transform: translateY(-4px);
}

.seotigr-portfolio-card__desc {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.75);
    line-height: 1.55;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease, opacity var(--transition);
    opacity: 0;
}

.seotigr-portfolio-card:hover .seotigr-portfolio-card__desc {
    max-height: 100px;
    opacity: 1;
}

.seotigr-portfolio-card__link {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.5rem 1.25rem;
    background-color: var(--color-accent);
    color: var(--color-primary);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
    text-decoration: none;
    margin-top: 0.875rem;
    align-self: flex-start;
    opacity: 0;
    transform: translateY(8px);
    transition: opacity var(--transition), transform var(--transition), background-color var(--transition);
}

.seotigr-portfolio-card:hover .seotigr-portfolio-card__link {
    opacity: 1;
    transform: translateY(0);
}

.seotigr-portfolio-card__link:hover {
    background-color: var(--color-white);
    color: var(--color-primary);
}

/* Результати кейсу */
.seotigr-portfolio-card__results {
    display: flex;
    gap: 1rem;
    margin-top: 0.75rem;
    flex-wrap: wrap;
    opacity: 0;
    transform: translateY(8px);
    transition: opacity var(--transition) 0.05s, transform var(--transition) 0.05s;
}

.seotigr-portfolio-card:hover .seotigr-portfolio-card__results {
    opacity: 1;
    transform: translateY(0);
}

.seotigr-portfolio-card__result {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.85);
    font-weight: 500;
}

.seotigr-portfolio-card__result strong {
    color: var(--color-accent);
}

/* ============================================================
   Одиночна сторінка кейсу
   ============================================================ */

.seotigr-case__hero {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark, #1E2E24) 100%);
    padding: 5rem 1.5rem 4rem;
    color: var(--color-white);
}

.seotigr-case__hero-inner {
    max-width: var(--container);
    margin-inline: auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.seotigr-case__category {
    display: inline-block;
    padding: 0.25rem 0.875rem;
    background-color: var(--color-accent);
    color: var(--color-primary);
    border-radius: var(--radius-sm);
    font-size: 0.8125rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 1rem;
}

.seotigr-case__title {
    font-family: var(--font-heading);
    font-size: clamp(1.75rem, 4vw, 2.75rem);
    color: var(--color-white);
    line-height: 1.2;
    margin-bottom: 1.25rem;
}

.seotigr-case__challenge {
    font-size: 1.0625rem;
    color: rgba(255, 255, 255, 0.75);
    line-height: 1.7;
    margin-bottom: 1.75rem;
}

.seotigr-case__client {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.25rem;
    background: rgba(255, 255, 255, 0.08);
    border-radius: var(--radius);
    border: 1px solid rgba(255, 255, 255, 0.12);
}

.seotigr-case__client img {
    height: 48px;
    width: auto;
    filter: brightness(0) invert(1);
}

.seotigr-case__client-info {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
}

.seotigr-case__client-name {
    font-weight: 600;
    color: var(--color-white);
    font-size: 1rem;
    margin-bottom: 0.125rem;
}

/* Скриншот кейсу */
.seotigr-case__mockup {
    position: relative;
}

.seotigr-case__mockup img {
    border-radius: var(--radius-md);
    box-shadow: 0 24px 64px rgba(0, 0, 0, 0.4);
    transition: transform 0.5s ease;
}

.seotigr-case__mockup:hover img {
    transform: scale(1.02);
}

/* Блок результатів */
.seotigr-case__results {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
    background: var(--color-accent-light);
    border-radius: var(--radius-lg);
    overflow: hidden;
    margin-block: 3rem;
}

.seotigr-case__result {
    padding: 2rem 1.5rem;
    text-align: center;
    border-right: 1px solid rgba(47, 69, 56, 0.1);
}

.seotigr-case__result:last-child {
    border-right: none;
}

.seotigr-case__result-value {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1;
    margin-bottom: 0.375rem;
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 2px;
}

.seotigr-case__result-label {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    font-weight: 500;
}

/* Зміст кейсу */
.seotigr-case__content {
    max-width: var(--container-sm);
    margin-inline: auto;
    padding-inline: 1.5rem;
    padding-block: 3rem;
}

/* Навігація між кейсами */
.seotigr-case__nav {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-top: 4rem;
    padding-top: 3rem;
    border-top: 1px solid var(--color-border);
}

.seotigr-case__nav-item {
    padding: 1.5rem;
    background: var(--color-white);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    text-decoration: none;
    display: block;
    transition: all var(--transition);
}

.seotigr-case__nav-item:hover {
    border-color: var(--color-primary);
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.seotigr-case__nav-dir {
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-text-muted);
    margin-bottom: 0.375rem;
    display: flex;
    align-items: center;
    gap: 0.375rem;
}

.seotigr-case__nav-title {
    font-family: var(--font-heading);
    font-size: 1.0625rem;
    color: var(--color-primary);
    line-height: 1.35;
}

.seotigr-case__nav-item:last-child .seotigr-case__nav-dir {
    justify-content: flex-end;
}

.seotigr-case__nav-item:last-child {
    text-align: right;
}