/* ==========================================
   ESSENTIAL STRUCTURAL LAYOUT & DEFAULTS
   ========================================== */
.estudo-case-study-wrapper {
    background-color: #191010;
    width: 100%;
    box-sizing: border-box;
    font-family: inherit;
    padding: 60px 40px;
}

.estudo-cs-section-block {
    display: block;
    width: 100%;
    margin-bottom: 80px;
}

.estudo-cs-hero {
    position: relative;
    width: 100%;
}

.estudo-cs-hero-top {
    display: grid;
    grid-template-columns: 1fr 380px;
    align-items: center;
    margin-bottom: 25px;
}

.estudo-cs-back-link-wrap {
    display: flex;
    justify-content: flex-end;
}

.estudo-cs-back-link {
    color: #a3a3a3;
    font-size: 13px;
    text-decoration: underline !important;
    text-underline-offset: 4px;
    transition: color 0.2s ease;
}

.estudo-cs-back-link:hover {
    color: #ffffff;
}

.estudo-cs-hero-main {
    display: grid;
    grid-template-columns: 1fr 380px;
    align-items: flex-start;
    margin-bottom: 40px;
}

.estudo-cs-title {
    line-height: 1.1;
    font-weight: 400;
    margin: 0;
}

.estudo-cs-hero-right {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.estudo-cs-description {
    line-height: 1.6;
}

.estudo-cs-btn-wrap {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-top: 5px;
    flex-wrap: nowrap;
}

.estudo-cs-text-link {
    color: #ffffff;
    font-size: 14px;
    text-decoration: underline !important;
    text-underline-offset: 4px;
    white-space: nowrap;
}

.estudo-cs-text-link:hover {
    color: #4CB957;
}

.estudo-cs-btn-arrow {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background-color: #4CB957;
    color: #191010;
    width: 36px;
    height: 36px;
    min-width: 36px;
    border-radius: 4px;
    font-size: 16px;
    font-weight: bold;
    text-decoration: none;
    transition: opacity 0.2s ease;
}

.estudo-cs-btn-arrow:hover {
    opacity: 0.85;
}

/* Meta Info Bar Structural Layout */
.estudo-cs-meta-bar-wrap {
    position: relative;
    width: 100%;
    margin-bottom: 40px;
}

.estudo-cs-meta-line {
    width: 100%;
    height: 1px;
    background-color: rgba(255, 255, 255, 0.1);
}

.estudo-cs-meta-bar {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    padding: 25px 0;
}

.estudo-cs-meta-item {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

/* Hero Mockups Layout */
.estudo-cs-mockups-container {
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    width: 100%;
    margin-top: 20px;
    overflow-x: auto;
    padding-bottom: 10px;
}

.estudo-cs-mockup-item {
    position: relative;
}

.estudo-cs-mockup-item:not(:first-child) {
    margin-left: -120px;
}

.estudo-cs-mockup-img {
    display: block;
    height: auto;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

/* ==========================================
   CONTENT BLOCKS (Problem, Solution, Outcome)
   ========================================== */
.estudo-cs-content-blocks-wrapper {
    display: flex;
    flex-direction: column;
    gap: 100px;
    width: 100%;
    margin-bottom: 80px;
}

.estudo-cs-content-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 60px;
}

/* Alternating Row Layout Direction */
.estudo-cs-content-row.layout-left .estudo-cs-col-media {
    order: 1;
}
.estudo-cs-content-row.layout-left .estudo-cs-col-text {
    order: 2;
}

.estudo-cs-content-row.layout-right .estudo-cs-col-text {
    order: 1;
}
.estudo-cs-content-row.layout-right .estudo-cs-col-media {
    order: 2;
}

.estudo-cs-col-text {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

/* SECTION TAG DEFAULT */
.estudo-cs-block-tag {
    font-family: 'Inter', sans-serif;
    font-size: 30px;
    font-weight: 400;
    color: #d4d4d4;
    letter-spacing: 0.5px;
    margin: 0;
    display: inline-block;
}

/* SECTION TITLE DEFAULT */
.estudo-cs-block-title {
    font-family: 'Instrument Serif', serif;
    font-size: 56px;
    font-weight: 400;
    color: #ffffff;
    line-height: 1.1;
    margin: 0;
}

/* SECTION DESCRIPTION DEFAULT */
.estudo-cs-block-desc {
    font-family: 'Inter', sans-serif;
    font-size: 20px;
    font-weight: 400;
    color: #b3b3b3;
    line-height: 1.6;
}

.estudo-cs-block-img {
    width: 100%;
    height: auto;
    display: block;
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3);
    border-radius: 12px;
}

/* ==========================================
   BOTTOM COMBINED SECTION (Images + Testimonial)
   ========================================== */
.estudo-cs-bottom-combined-section {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 60px;
}

.estudo-cs-bottom-images-row {
    width: 100%;
}

.estudo-cs-bottom-cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    align-items: center;
    justify-content: center;
}

.estudo-cs-bottom-card {
    display: flex;
    flex-direction: column;
}

.estudo-cs-card-link-wrap {
    text-decoration: none !important;
    display: block;
}

.estudo-cs-bottom-card-img {
    width: 100%;
    height: auto;
    display: block;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.4);
    border-radius: 12px;
}

/* Testimonial / Quote Box Styling with Linear Gradient (#191010 to #212020) */
.estudo-cs-quote-box {
    max-width: 100%;
    width: 100%;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
    background: linear-gradient(135deg, #191010 0%, #212020 100%);
    border: 1px solid rgba(255, 255, 255, 0.06);
    padding: 60px 40px;
    border-radius: 16px;
    box-sizing: border-box;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.estudo-cs-quote-icon-wrap {
    display: block;
}

.estudo-cs-quote-icon-img {
    max-width: 50px;
    height: auto;
    display: block;
    margin: 0 auto;
}

/* Default Quote Text Styling (Instrument Serif, 60px, 400) */
.estudo-cs-quote-desc {
    font-family: 'Instrument Serif', serif;
    font-size: 60px;
    font-weight: 400;
    color: #ffffff;
    margin: 0;
    line-height: 1.2;
}

.estudo-cs-quote-desc p {
    margin: 0;
}

/* Default Quote Author Styling (Inter, 30px, 600 Semi-Bold) */
.estudo-cs-quote-author {
    font-family: 'Inter', sans-serif;
    font-size: 30px;
    font-weight: 600;
    color: #ffffff;
    margin: 0;
}

/* Stats Section Layout */
.estudo-cs-stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
}

.estudo-cs-stat-box {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.estudo-cs-stat-num {
    font-family: 'Instrument Serif', serif;
    font-size: 60px;
    font-weight: 400;
    color: #4CB957;
}

.estudo-cs-stat-line {
    width: 100%;
    height: 1px;
    background-color: rgba(255, 255, 255, 0.2);
}

.estudo-cs-stat-label {
    font-family: 'Inter', sans-serif;
    font-size: 20px;
    font-weight: 400;
    color: #8c8c8c;
}

/* Responsive Rules */
@media (max-width: 992px) {
    .estudo-cs-hero-top,
    .estudo-cs-hero-main,
    .estudo-cs-content-row {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    .estudo-cs-back-link-wrap {
        justify-content: flex-start;
    }
    .estudo-cs-meta-bar {
        grid-template-columns: repeat(2, 1fr);
    }
    .estudo-cs-mockups-container {
        flex-direction: column;
        gap: 20px;
    }
    .estudo-cs-mockup-item:not(:first-child) {
        margin-left: 0;
    }
}

@media (max-width: 768px) {
    .estudo-case-study-wrapper {
        padding: 30px 20px;
    }
    .estudo-cs-meta-bar {
        grid-template-columns: 1fr;
    }
    .estudo-cs-stats-grid {
        grid-template-columns: 1fr;
    }
    .estudo-cs-bottom-cards-grid {
        grid-template-columns: 1fr;
    }
    .estudo-cs-quote-box {
        padding: 40px 20px;
    }
    .estudo-cs-quote-desc {
        font-size: 40px;
    }
    .estudo-cs-quote-author {
        font-size: 22px;
    }
}