/* Cases Page Specific Styles - Creative & Premium */

/* 1. Page Wrapper & Variables */
.cases-page {
    background-color: #fff;
    min-height: 100vh;
    padding-top: 100px;
    /* Restore padding for fixed header */
}

/* 2. Creative Hero Section */
.cases-hero {
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    padding: 6vh 0 6vh;
}

/* Header Overrides for this page */
.nav-bar.cases-mode {
    background: rgba(255, 255, 255, 0.95) !important;
    backdrop-filter: blur(10px) !important;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.nav-bar.cases-mode .nav-links a {
    color: #000 !important;
}

.nav-bar.cases-mode .nav-logo {
    filter: invert(1) !important;
    /* Make white logo black */
}

.nav-bar.cases-mode .burger-menu span {
    background-color: #000 !important;
}

.nav-bar.cases-mode .nav-social a {
    color: #000 !important;
}

.cases-title-big {
    font-size: 15vw;
    /* Massive typography */
    line-height: 0.85;
    font-weight: 800;
    text-transform: uppercase;
    color: #111;
    letter-spacing: -0.04em;
    margin: 0;
    opacity: 0;
    animation: slideUpFade 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.cases-subtitle {
    font-size: 1.5rem;
    color: #666;
    max-width: 600px;
    margin-top: 2rem;
    font-weight: 400;
    opacity: 0;
    animation: slideUpFade 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.2s forwards;
}

@keyframes slideUpFade {
    from {
        transform: translateY(40px);
        opacity: 0;
    }

    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* 3. Sticky Filter Bar */
.cases-filters-bar {
    position: sticky;
    top: 80px;
    /* Below navbar */
    z-index: 50;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    padding: 1.5rem 0;
    margin-bottom: 3rem;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.filter-group {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.case-filter-btn {
    background: transparent;
    border: 1px solid #E5E5E5;
    padding: 0.75rem 1.5rem;
    border-radius: 100px;
    font-size: 0.875rem;
    font-weight: 500;
    color: #666;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.case-filter-btn:hover {
    border-color: #000;
    color: #000;
}

.case-filter-btn.active {
    background: #000;
    color: #fff;
    border-color: #000;
}

/* 4. The Grid - Strict 3 Columns */
.cases-grid-creative {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    /* 3 Equal Columns */
    gap: 30px;
    padding-bottom: 100px;
}

.case-item {
    grid-column: span 1;
    /* Always 1 column */
    position: relative;
    display: block;
    text-decoration: none;
    cursor: pointer;
    border-radius: 0;
    overflow: hidden;
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.case-image-wrapper {
    position: relative;
    width: 100%;
    padding-bottom: 70%;
    /* Fixed aspect ratio */
    overflow: hidden;
    background: #F0F0F0;
}

.case-img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.case-item:hover .case-img {
    transform: scale(1.05);
}

.case-info {
    padding-top: 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.case-title {
    font-size: 2rem;
    font-weight: 700;
    color: #000;
    margin: 0;
    line-height: 1.1;
    transition: color 0.3s ease;
}

.case-tags {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: #888;
    text-transform: uppercase;
    margin-top: 0.5rem;
}

.case-arrow {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 1px solid #E5E5E5;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.case-item:hover .case-arrow {
    background: #000;
    border-color: #000;
    transform: rotate(-45deg);
}

.case-item:hover .case-arrow svg {
    color: #fff;
}

/* Responsive */
@media (max-width: 1024px) {
    .cases-grid-creative {
        gap: 20px;
        grid-template-columns: repeat(2, 1fr);
        /* 2 columns on tablet */
    }

    .cases-title-big {
        font-size: 12vw;
    }
}

@media (max-width: 768px) {
    .cases-grid-creative {
        grid-template-columns: 1fr;
        /* 1 column on mobile */
    }

    .cases-filters-bar {
        overflow-x: auto;
        padding-left: 20px;
        padding-right: 20px;
        margin-left: -20px;
        margin-right: -20px;
    }

    .filter-group {
        flex-wrap: nowrap;
        width: max-content;
    }

    .cases-title-big {
        font-size: 18vw;
    }
}