/* =========================================
   MÄO AGENCY — Case Studies Index
   Blog-style filterable project grid
   Inspired by: vranded.haus/proyectos
   ========================================= */

/* ─────────────────────────────────
   HERO
   ───────────────────────────────── */
.cs-index-hero {
    padding-top: clamp(10rem, 18vh, 14rem);
    padding-bottom: var(--space-lg);
    text-align: center;
}

.cs-index-hero .section-eyebrow {
    font-family: var(--font-body);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: var(--color-accent);
    margin-bottom: 1rem;
    display: block;
}

.cs-index-sub {
    font-size: 1.1rem;
    color: var(--color-text-light);
    margin-top: 1rem;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

/* ─────────────────────────────────
   FILTER TAGS
   ───────────────────────────────── */
.cs-filters {
    padding-bottom: var(--space-md);
    border-bottom: 1px solid rgba(0,0,0,0.06);
}

.cs-filter-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
    justify-content: center;
}

.cs-filter-tag {
    display: inline-block;
    padding: 0.55rem 1.4rem;
    border: 1px solid rgba(0,0,0,0.12);
    border-radius: 100px;
    font-family: var(--font-body);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    color: var(--color-text-light);
    background: transparent;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.cs-filter-tag:hover {
    border-color: var(--color-accent);
    color: var(--color-text);
}

.cs-filter-tag.active {
    background: var(--color-text);
    color: var(--color-bg);
    border-color: var(--color-text);
}

/* ─────────────────────────────────
   PROJECT LIST — Blog-style entries
   ───────────────────────────────── */
.cs-project-list {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.cs-project-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
    padding: var(--space-lg) 0;
    border-bottom: 1px solid rgba(0,0,0,0.06);
    text-decoration: none;
    color: inherit;
    transition: opacity 0.4s ease, transform 0.4s ease;
}

.cs-project-card:first-child {
    border-top: 1px solid rgba(0,0,0,0.06);
}

.cs-project-card:hover {
    color: inherit;
}

/* Alternate image side */
.cs-project-card:nth-child(even) {
    direction: rtl;
}

.cs-project-card:nth-child(even) > * {
    direction: ltr;
}

/* ─── Project Image ─── */
.cs-project-img {
    position: relative;
    overflow: hidden;
    border-radius: 4px;
    aspect-ratio: 16/10;
    background: #e5e5e5;
}

.cs-project-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
    filter: saturate(0.85) contrast(1.05);
}

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

.cs-project-img--gradient {
    display: flex;
    align-items: center;
    justify-content: center;
}

.cs-project-placeholder {
    text-align: center;
    color: rgba(249,248,246,0.9);
}

.cs-placeholder-name {
    display: block;
    font-family: var(--font-heading);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 400;
    line-height: 1.1;
}

.cs-placeholder-sub {
    display: block;
    font-family: var(--font-body);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 3px;
    margin-top: 0.5rem;
    opacity: 0.7;
}

/* ─── Project Info ─── */
.cs-project-info {
    padding: 1rem 0;
}

.cs-project-meta {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.cs-project-date {
    font-family: var(--font-body);
    font-size: 0.75rem;
    color: var(--color-text-light);
    letter-spacing: 1px;
}

.cs-project-vertical {
    font-family: var(--font-body);
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--color-accent);
    padding: 0.3rem 0.8rem;
    border: 1px solid var(--color-accent);
    border-radius: 100px;
}

.cs-project-title {
    font-family: var(--font-heading);
    font-size: clamp(1.75rem, 3.5vw, 2.75rem);
    font-weight: 400;
    line-height: 1.2;
    margin-bottom: 1rem;
    transition: color 0.3s ease;
}

.cs-project-card:hover .cs-project-title {
    color: var(--color-accent);
}

.cs-project-desc {
    font-size: 1rem;
    color: var(--color-text-light);
    line-height: 1.7;
    max-width: 480px;
    margin-bottom: 1.25rem;
}

.cs-project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
}

.cs-tag {
    display: inline-block;
    padding: 0.3rem 0.9rem;
    border: 1px solid rgba(0,0,0,0.1);
    border-radius: 100px;
    font-family: var(--font-body);
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-text-light);
    background: transparent;
}

/* ─── Arrow indicator on hover ─── */
.cs-project-card::after {
    content: '';
    display: none;
}

/* ─────────────────────────────────
   RESPONSIVE
   ───────────────────────────────── */
@media (max-width: 768px) {
    .cs-index-hero {
        padding-top: 8rem;
        padding-bottom: var(--space-md);
    }

    .cs-filter-tags {
        gap: 0.4rem;
    }

    .cs-filter-tag {
        padding: 0.4rem 1rem;
        font-size: 0.65rem;
    }

    .cs-project-card {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        padding: var(--space-md) 0;
    }

    /* Reset alternating direction on mobile */
    .cs-project-card:nth-child(even) {
        direction: ltr;
    }

    .cs-project-img {
        aspect-ratio: 16/9;
    }

    .cs-project-title {
        font-size: 1.5rem;
    }

    .cs-project-desc {
        font-size: 0.9rem;
    }
}

@media (max-width: 390px) {
    .cs-filter-tag {
        padding: 0.35rem 0.75rem;
        font-size: 0.6rem;
        letter-spacing: 0.8px;
    }
}

/* ─────────────────────────────────
   REDUCED MOTION
   ───────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
    .cs-project-card {
        transition: none;
    }

    .cs-project-img img {
        transition: none;
    }
}