/* ========== PRESENTATION GRID (ABOUT PAGE) ========== */
.pres-section {
    padding: 5rem 0 10rem 0;
    background: var(--bg-white);
}
.pres-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    width: 100%;
}
.pres-slide {
    position: relative;
    padding: 3rem;
    min-height: 520px;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
    background-color: var(--bg-gray);
}
.pres-slide:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}
.pres-slide.dark {
    background-color: var(--secondary);
    color: var(--bg-white);
}
.pres-slide.dark h2, .pres-slide.dark h4 { color: var(--bg-white); }
.pres-slide.dark p { color: rgba(255,255,255,0.7); }

.pres-slide.light {
    background-color: var(--bg-gray);
    color: var(--secondary);
}
.pres-slide.light h2, .pres-slide.light h4 { color: var(--secondary); }
.pres-slide.light p { color: var(--text-muted); }

.pres-header {
    display: flex;
    justify-content: space-between;
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 3rem;
    z-index: 2;
    position: relative;
}
.pres-header span:last-child {
    font-family: 'Outfit', sans-serif;
    font-size: 1.1rem;
}
.pres-slide.dark .pres-header { color: rgba(255,255,255,0.5); }
.pres-slide.light .pres-header { color: var(--text-muted); }

/* Typographic Flourishes */
.pres-title {
    font-size: clamp(2.2rem, 3.5vw, 3.2rem);
    line-height: 1.15;
    font-family: 'Outfit', sans-serif;
    margin-bottom: 2rem;
    position: relative;
    z-index: 2;
    font-weight: 400;
}
.pres-title .line-through {
    display: inline-flex;
    align-items: center;
    gap: 15px;
}
.pres-title .line-through::before {
    content: "";
    width: 60px;
    height: 2px;
    background: currentColor;
    display: inline-block;
}
.pres-arrow {
    display: inline-block;
    font-weight: 300;
    font-size: clamp(2rem, 3vw, 3rem);
    color: var(--primary);
}

/* Base text */
.pres-slide h4 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    font-weight: 600;
}
.pres-slide p {
    font-size: 0.9rem;
    line-height: 1.6;
    margin: 0;
}

/* Slide 1 */
.slide-1 .pres-content {
    display: flex;
    gap: 2rem;
    align-items: flex-end;
    margin-top: auto;
    position: relative;
    z-index: 2;
}
.slide-1 .pres-img { width: 50%; height: 220px; overflow: hidden; }
.slide-1 .pres-text { width: 50%; padding-bottom: 1rem; }

/* Slide 2 */
.slide-2 { padding-right: 0; padding-bottom: 0; }
.slide-2 .pres-header { padding-right: 3rem; }
.slide-2 .pres-title { padding-right: 3rem; }
.slide-2 .pres-content {
    display: flex;
    justify-content: space-between;
    height: 100%;
    align-items: flex-end;
}
.slide-2 .pres-text { width: 45%; padding-bottom: 3rem; position: relative; z-index: 2; }
.slide-2 .pres-img { width: 45%; height: 280px; overflow: hidden; }

/* Slide 3 */
.slide-3 { justify-content: space-between; position: relative; }
.slide-3 .pres-img-top {
    position: absolute;
    top: 3rem;
    right: 3rem;
    width: 35%;
    height: 180px;
    overflow: hidden;
    z-index: 1;
}
.slide-3 .pres-bottom-row {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-top: 8rem;
    position: relative;
    z-index: 2;
}
.slide-3 .pres-img-bottom { width: 35%; height: 200px; overflow: hidden; }
.slide-3 .pres-text { width: 55%; padding-bottom: 0; }

/* Slide 4 */
.slide-4 { justify-content: flex-start; position: relative; }
.slide-4 .pres-title { text-align: right; }
.slide-4 .pres-middle-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 2rem;
    margin-bottom: 2rem;
    position: relative;
    z-index: 2;
}
.slide-4 .pres-text-left { width: 45%; }
.slide-4 .pres-img-right { width: 30%; height: 160px; overflow: hidden; position: absolute; right: 3rem; top: 12rem; z-index: 1;}
.slide-4 .pres-bottom-row {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-top: auto;
    position: relative;
    z-index: 2;
}
.slide-4 .pres-img-left { width: 40%; height: 180px; overflow: hidden; }
.slide-4 .pres-text-right { width: 45%; }

/* Image Hover Effect & Grayscale base */
.pres-img img, .pres-img-top img, .pres-img-bottom img, .pres-img-right img, .pres-img-left img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.8s cubic-bezier(0.16, 1, 0.3, 1), filter 0.5s ease;
    filter: grayscale(100%) contrast(1.1);
}
.pres-slide:hover img {
    transform: scale(1.08);
    filter: grayscale(0%) contrast(1);
}

/* Responsive */
@media (max-width: 1100px) {
    .pres-title { font-size: 2.5rem; }
}
@media (max-width: 992px) {
    .pres-grid { grid-template-columns: 1fr; max-width: 700px; margin: 0 auto; }
    .pres-slide { min-height: 450px; }
}
@media (max-width: 576px) {
    .pres-slide { padding: 2rem; min-height: auto; }
    
    .slide-1 .pres-content { flex-direction: column; align-items: flex-start; gap: 1.5rem; }
    .slide-1 .pres-img, .slide-1 .pres-text { width: 100%; }
    .slide-1 .pres-img { height: 180px; order: 2; }
    .slide-1 .pres-text { order: 1; padding-bottom: 0; }
    
    .slide-2 .pres-header, .slide-2 .pres-title { padding-right: 0; }
    .slide-2 { padding: 2rem; }
    .slide-2 .pres-content { flex-direction: column; align-items: flex-start; gap: 1.5rem; }
    .slide-2 .pres-text { width: 100%; padding-bottom: 0; }
    .slide-2 .pres-img { width: 100%; height: 200px; position: static; }

    .slide-3 .pres-img-top { display: none; }
    .slide-3 .pres-bottom-row { flex-direction: column; align-items: flex-start; margin-top: 2rem; gap: 1.5rem; }
    .slide-3 .pres-img-bottom { width: 100%; order: 2; }
    .slide-3 .pres-text { width: 100%; order: 1; }
    
    .slide-4 .pres-img-right { display: none; }
    .slide-4 .pres-middle-row, .slide-4 .pres-bottom-row { flex-direction: column; align-items: flex-start; margin-top: 2rem; gap: 1.5rem; }
    .slide-4 .pres-text-left, .slide-4 .pres-text-right, .slide-4 .pres-img-left { width: 100%; }
    .slide-4 .pres-title { text-align: left; }
    .slide-4 .pres-img-left { order: 2; }
    .slide-4 .pres-text-right { order: 1; }
}