/* ============================================
   CASE STUDY - Premium Layout (Mestres da Web Style)
   ============================================ */

.case-hero-bg {
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 600px;
    z-index: -1;
    mask-image: linear-gradient(to bottom, rgba(0,0,0,1) 40%, rgba(0,0,0,0) 100%);
    -webkit-mask-image: linear-gradient(to bottom, rgba(0,0,0,1) 40%, rgba(0,0,0,0) 100%);
}

/* HERO */
.case-hero {
    padding-top: 160px;
    padding-bottom: 60px;
    position: relative;
}
.case-hero .container {
    max-width: 1200px;
}
.case-badge {
    display: inline-block;
    padding: 6px 18px;
    border-radius: 30px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 24px;
    letter-spacing: 0.5px;
}
.case-hero h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    color: #fff;
    line-height: 1.1;
    margin-bottom: 16px;
}
.case-hero .case-subtitle {
    font-size: 1.25rem;
    color: #94a3b8;
    max-width: 700px;
    line-height: 1.6;
    margin-bottom: 40px;
}
.case-hero-image {
    width: 100%;
    max-height: 520px;
    object-fit: cover;
    border-radius: 16px;
    box-shadow: 0 25px 60px rgba(0,0,0,0.5);
    border: 1px solid rgba(255,255,255,0.08);
}

/* BACK LINK */
.case-back {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    text-decoration: none;
    margin-bottom: 40px;
    transition: all 0.3s ease;
    font-size: 0.95rem;
}
.case-back:hover {
    color: #fff;
    transform: translateX(-5px);
}

/* TIMELINE PROCESS */
.case-process {
    padding: 80px 0;
}
.case-process .container {
    max-width: 1200px;
}
.case-process-title {
    text-align: center;
    font-size: 1.6rem;
    color: #fff;
    margin-bottom: 50px;
    font-weight: 700;
}
.process-steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}
.process-step {
    text-align: center;
    padding: 30px 20px;
    border-radius: 16px;
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.06);
    transition: transform 0.3s ease, border-color 0.3s ease;
}
.process-step:hover {
    transform: translateY(-5px);
}
.process-step-number {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    font-weight: 800;
    font-size: 1.2rem;
    color: #fff;
}
.process-step h4 {
    color: #fff;
    font-size: 1.05rem;
    margin-bottom: 8px;
}
.process-step p {
    color: #94a3b8;
    font-size: 0.9rem;
    line-height: 1.5;
}

/* MAIN GRID: Problem + Solution + Sidebar */
.case-content-section {
    padding: 0 0 80px;
}
.case-content-section .container {
    max-width: 1200px;
}
.case-grid {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 40px;
}

/* LEFT: Problem + Solution */
.case-main h2 {
    font-size: 1.6rem;
    color: #fff;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 700;
}
.case-main h2 i {
    font-size: 1.4rem;
}
.case-main p {
    color: #cbd5e1;
    font-size: 1.05rem;
    line-height: 1.85;
    margin-bottom: 20px;
}
.case-block {
    padding: 36px;
    border-radius: 16px;
    background: rgba(255,255,255,0.02);
    border: 1px solid rgba(255,255,255,0.06);
    margin-bottom: 30px;
}

/* RIGHT SIDEBAR */
.case-sidebar {
    display: flex;
    flex-direction: column;
    gap: 24px;
    position: sticky;
    top: 100px;
    align-self: start;
}
.case-widget {
    padding: 28px;
    border-radius: 16px;
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.06);
}
.case-widget h3 {
    color: #fff;
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
    display: flex;
    align-items: center;
    gap: 8px;
}

/* Tech Stack */
.tech-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}
.tech-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 12px;
    border-radius: 10px;
    background: rgba(255,255,255,0.04);
    color: #cbd5e1;
    font-size: 0.88rem;
    font-weight: 500;
    transition: background 0.2s;
}
.tech-item:hover {
    background: rgba(255,255,255,0.08);
}
.tech-item i {
    font-size: 1.1rem;
}

/* Team List */
.team-member {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 14px;
    padding: 8px 0;
}
.team-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.85rem;
    color: #fff;
    flex-shrink: 0;
}
.team-info strong {
    display: block;
    color: #fff;
    font-size: 0.92rem;
    font-weight: 600;
}
.team-info span {
    color: #64748b;
    font-size: 0.8rem;
}

/* SCREENSHOTS GALLERY */
.case-gallery {
    padding: 0 0 80px;
}
.case-gallery .container {
    max-width: 1200px;
}
.case-gallery h2 {
    text-align: center;
    font-size: 1.6rem;
    color: #fff;
    margin-bottom: 40px;
    font-weight: 700;
}
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 20px;
}
.gallery-item {
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid rgba(255,255,255,0.06);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    cursor: pointer;
}
.gallery-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.4);
}
.gallery-item img {
    width: 100%;
    height: 240px;
    object-fit: cover;
    display: block;
}
.gallery-item figcaption {
    padding: 14px 18px;
    background: rgba(10,14,26,0.9);
    color: #94a3b8;
    font-size: 0.88rem;
}

/* CTA */
.case-cta {
    padding: 80px 0;
}
.case-cta-box {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    padding: 60px 40px;
    border-radius: 20px;
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.06);
}
.case-cta-box h2 {
    font-size: 2rem;
    color: #fff;
    margin-bottom: 16px;
}
.case-cta-box p {
    color: #94a3b8;
    font-size: 1.1rem;
    margin-bottom: 30px;
}
.case-cta-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

/* MORE CASES */
.more-cases {
    padding: 0 0 80px;
}
.more-cases .container {
    max-width: 1200px;
}
.more-cases h2 {
    text-align: center;
    font-size: 1.6rem;
    color: #fff;
    margin-bottom: 40px;
}
.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}
.case-card {
    border-radius: 14px;
    overflow: hidden;
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.06);
    text-decoration: none;
    transition: transform 0.3s, border-color 0.3s;
    display: block;
}
.case-card:hover {
    transform: translateY(-4px);
}
.case-card img {
    width: 100%;
    height: 180px;
    object-fit: cover;
}
.case-card-body {
    padding: 18px;
}
.case-card-body h4 {
    color: #fff;
    font-size: 1.05rem;
    margin-bottom: 6px;
}
.case-card-body p {
    color: #64748b;
    font-size: 0.85rem;
}

/* RESPONSIVE */
@media (max-width: 992px) {
    .case-grid {
        grid-template-columns: 1fr;
    }
    .case-sidebar {
        position: static;
    }
    .process-steps {
        grid-template-columns: 1fr;
    }
    .tech-grid {
        grid-template-columns: 1fr;
    }
}
@media (max-width: 768px) {
    .case-hero h1 {
        font-size: 2rem;
    }
    .case-block {
        padding: 24px;
    }
    .gallery-grid {
        grid-template-columns: 1fr;
    }
}