.presentation-body {
    --primary-gold: #c69a57;
    --dark-bg: #120c0b;
    --medium-bg: #241714;
    --light-gold: #f4ece6;
    --text-gold: #c5a081;
    --text-light: #f1e6dc;
    --bg-darkest: #0f0a09;
    --border-gold: rgba(198, 154, 87, 0.18);
    --glow-gold: rgba(198, 154, 87, 0.7);
    --rgb-dark: 18, 12, 11;
    --rgb-medium: 36, 23, 20;
    --rgb-accent: 198, 154, 87;
    --rgb-gold: 198, 154, 87;
    --presentation-topbar-height: 86px;
    background: var(--bg-darkest);
}

.presentation-topbar {
    position: sticky;
    top: 0;
    z-index: 1200;
    background: rgba(15, 10, 9, 0.96) !important;
    border-bottom: 1px solid rgba(198, 154, 87, 0.12);
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
}

.presentation-topbar .navbar {
    width: 100%;
    max-width: none;
    min-height: var(--presentation-topbar-height);
    padding-left: 32px;
    padding-right: 32px;
}

.presentation-mobile-categories {
    display: none !important;
}

.presentation-page {
    background-color: var(--bg-darkest);
    color: var(--text-light);
    min-height: 100vh;
    font-family: Inter, -apple-system, BlinkMacSystemFont, sans-serif;
    line-height: 1.5;
    overflow-x: hidden;
    position: relative;
}

.presentation-page *,
.presentation-page ::before,
.presentation-page ::after {
    box-sizing: border-box;
}

.presentation-page::before {
    content: '';
    background:
        linear-gradient(180deg, rgba(var(--rgb-dark), 0.87) 0%, rgba(var(--rgb-medium), 0.7) 50%, rgba(var(--rgb-dark), 0.87) 100%),
        radial-gradient(circle at top right, rgba(var(--rgb-gold), 0.08), transparent 32rem),
        radial-gradient(circle at bottom left, rgba(126, 41, 26, 0.16), transparent 34rem);
    pointer-events: none;
    z-index: 0;
    width: 100%;
    height: 100%;
    position: fixed;
    top: 0;
    left: 0;
}

.presentation-page .scroll-progress-bar {
    background: linear-gradient(90deg, var(--primary-gold), var(--light-gold), var(--text-gold), var(--primary-gold));
    z-index: 1300;
    width: 0%;
    height: 3px;
    box-shadow: 0 0 8px var(--glow-gold), 0 0 20px rgba(var(--rgb-gold), 0.3);
    background-size: 200% 100%;
    transition: width 0.1s linear;
    animation: pres-progress-shimmer 3s linear infinite;
    position: fixed;
    top: 0;
    left: 0;
}

@keyframes pres-progress-shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

.presentation-page .app-container {
    min-height: 100vh;
    display: flex;
    position: relative;
    z-index: 1;
}

.presentation-page .sidebar {
    background: linear-gradient(180deg, rgba(var(--rgb-dark), 0.98) 0%, rgba(var(--rgb-medium), 0.95) 100%);
    border-right: 1px solid var(--border-gold);
    z-index: 100;
    flex-direction: column;
    width: 280px;
    height: calc(100vh - var(--presentation-topbar-height));
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    position: fixed;
    top: var(--presentation-topbar-height);
    left: 0;
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: rgba(var(--rgb-gold), 0.48) rgba(var(--rgb-dark), 0.72);
}

.presentation-page .sidebar::-webkit-scrollbar,
.presentation-page .nav-menu::-webkit-scrollbar {
    width: 10px;
}

.presentation-page .sidebar::-webkit-scrollbar-track,
.presentation-page .nav-menu::-webkit-scrollbar-track {
    background: linear-gradient(180deg, rgba(var(--rgb-dark), 0.72), rgba(var(--rgb-medium), 0.48));
    border-left: 1px solid rgba(var(--rgb-gold), 0.08);
}

.presentation-page .sidebar::-webkit-scrollbar-thumb,
.presentation-page .nav-menu::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, rgba(var(--rgb-gold), 0.7), rgba(126, 41, 26, 0.55));
    border: 2px solid rgba(var(--rgb-dark), 0.78);
    border-radius: 999px;
}

.presentation-page .sidebar::-webkit-scrollbar-thumb:hover,
.presentation-page .nav-menu::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, rgba(244, 236, 230, 0.82), rgba(var(--rgb-gold), 0.78));
}

.presentation-page .sidebar.collapsed {
    transform: translate(-100%);
}

.presentation-page .sidebar-expand {
    background: rgba(var(--rgb-dark), 0.95);
    border: 1px solid var(--border-gold);
    width: 24px;
    height: 40px;
    color: var(--text-gold);
    cursor: pointer;
    z-index: 101;
    border-radius: 6px;
    justify-content: center;
    align-items: center;
    padding: 0;
    transition: all 0.5s cubic-bezier(0.22, 1, 0.36, 1);
    display: flex;
    position: fixed;
    top: calc(var(--presentation-topbar-height) + 20px);
    left: 280px;
    transform: translate(-50%) scale(1);
}

.presentation-page .sidebar-expand:hover {
    background: rgba(var(--rgb-medium), 0.95);
    color: var(--primary-gold);
    border-color: var(--primary-gold);
    box-shadow: 0 0 12px rgba(var(--rgb-gold), 0.15);
    transform: translate(-50%) scale(1.1);
}

.presentation-page .sidebar-expand.visible {
    border-left: none;
    border-radius: 0 6px 6px 0;
    left: 0;
    transform: translate(0) scale(1);
}

.presentation-page .sidebar-expand.visible:hover {
    transform: translate(0) scale(1.1);
}

.presentation-page .sidebar-expand svg {
    transition: transform 0.5s cubic-bezier(0.22, 1, 0.36, 1);
}

.presentation-page .sidebar-expand.visible svg {
    transform: rotate(180deg);
}

.presentation-page .sidebar-header {
    border-bottom: 1px solid var(--border-gold);
    background: linear-gradient(180deg, rgba(var(--rgb-gold), 0.06) 0%, transparent 100%);
    padding: 25px 20px;
}

.presentation-page .search-container {
    position: relative;
}

.presentation-page .search-input {
    background: linear-gradient(135deg, rgba(var(--rgb-dark), 0.8) 0%, rgba(var(--rgb-medium), 0.6) 100%);
    border: 1px solid var(--border-gold);
    width: 100%;
    color: var(--text-light);
    border-radius: 8px;
    outline: none;
    padding: 12px 40px 12px 15px;
    font-family: Inter, sans-serif;
    font-size: 14px;
    transition: all 0.3s;
}

.presentation-page .search-input:focus {
    border-color: var(--primary-gold);
    box-shadow: 0 0 20px rgba(var(--rgb-gold), 0.15);
}

.presentation-page .search-input::placeholder {
    color: rgba(198, 154, 87, 0.45);
}

.presentation-page .search-icon {
    color: var(--primary-gold);
    pointer-events: none;
    position: absolute;
    top: 50%;
    right: 12px;
    transform: translateY(-50%);
}

.presentation-page .current-section-indicator {
    background: linear-gradient(90deg, rgba(var(--rgb-gold), 0.12) 0%, rgba(var(--rgb-gold), 0.03) 100%);
    border-bottom: 1px solid rgba(var(--rgb-gold), 0.15);
    align-items: center;
    gap: 10px;
    padding: 12px 20px;
    display: flex;
}

.presentation-page .current-section-label {
    color: rgba(198, 154, 87, 0.6);
    text-transform: uppercase;
    letter-spacing: 1px;
    flex-shrink: 0;
    font-family: Inter, sans-serif;
    font-size: 0.78rem;
}

.presentation-page .current-section-name {
    color: var(--primary-gold);
    white-space: nowrap;
    text-overflow: ellipsis;
    font-family: Cinzel, Georgia, serif;
    font-size: 0.92rem;
    font-weight: 600;
    overflow: hidden;
}

.presentation-page .nav-menu {
    flex: 1;
    padding: 15px 0;
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: rgba(var(--rgb-gold), 0.48) rgba(var(--rgb-dark), 0.72);
}

.presentation-page .nav-category {
    margin-bottom: 2px;
}

.presentation-page .nav-category.is-hidden {
    display: none;
}

.presentation-page .nav-category-header {
    cursor: pointer;
    border: 0;
    border-left: 3px solid transparent;
    justify-content: space-between;
    align-items: center;
    padding: 14px 20px;
    transition: all 0.3s;
    display: flex;
    position: relative;
    overflow: hidden;
    width: 100%;
    background: transparent;
    text-align: left;
}

.presentation-page .nav-category-header::before {
    content: '';
    background: linear-gradient(90deg, transparent, rgba(var(--rgb-gold), 0.04), transparent);
    width: 100%;
    height: 100%;
    transition: left 0.5s;
    position: absolute;
    top: 0;
    left: -100%;
}

.presentation-page .nav-category-header:hover::before {
    left: 100%;
}

.presentation-page .nav-category-header:hover,
.presentation-page .nav-category.active .nav-category-header {
    background: linear-gradient(90deg, rgba(var(--rgb-gold), 0.08) 0%, transparent 100%);
    border-left-color: rgba(var(--rgb-gold), 0.5);
}

.presentation-page .nav-category-title {
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-gold);
    align-items: center;
    gap: 12px;
    font-family: Cinzel, Georgia, serif;
    font-size: 13px;
    font-weight: 600;
    display: flex;
    min-width: 0;
}

.presentation-page .nav-category-icon {
    color: rgba(var(--rgb-gold), 0.5);
    font-size: 15px;
    font-weight: 600;
    transition: all 0.3s;
}

.presentation-page .nav-category:hover .nav-category-icon,
.presentation-page .nav-category.active .nav-category-icon {
    color: rgba(var(--rgb-gold), 0.75);
    transform: scale(1.05);
}

.presentation-page .nav-arrow {
    color: var(--primary-gold);
    opacity: 0.6;
    flex-shrink: 0;
    transition: transform 0.3s;
}

.presentation-page .nav-category.active .nav-arrow {
    opacity: 1;
    transform: rotate(180deg);
}

.presentation-page .nav-subcategories {
    background: rgba(0, 0, 0, 0.15);
    max-height: 0;
    transition: max-height 0.4s;
    overflow: hidden;
}

.presentation-page .nav-category.active .nav-subcategories {
    max-height: 1500px;
}

.presentation-page .nav-subcategory {
    color: var(--text-light);
    cursor: pointer;
    border-radius: 6px;
    margin: 2px 8px;
    padding: 9px 20px 9px 50px;
    font-family: Inter, sans-serif;
    font-size: 13.5px;
    text-decoration: none;
    transition: all 0.3s;
    display: block;
    position: relative;
}

.presentation-page .nav-subcategory.is-hidden {
    display: none;
}

.presentation-page .nav-subcategory::before {
    content: '';
    background: rgba(var(--rgb-gold), 0.25);
    border-radius: 50%;
    width: 4px;
    height: 4px;
    transition: all 0.3s;
    position: absolute;
    top: 50%;
    left: 34px;
    transform: translateY(-50%);
}

.presentation-page .nav-subcategory:hover {
    color: var(--text-gold);
    background: rgba(var(--rgb-gold), 0.05);
}

.presentation-page .nav-subcategory.active {
    color: var(--text-light);
    background: linear-gradient(90deg, rgba(var(--rgb-accent), 0.15) 0%, rgba(var(--rgb-medium), 0.12) 100%);
    font-weight: 500;
}

.presentation-page .nav-subcategory.active::before {
    background: var(--primary-gold);
    width: 5px;
    height: 5px;
    box-shadow: 0 0 6px rgba(var(--rgb-gold), 0.3);
}

.presentation-page .sidebar-footer {
    border-top: 1px solid var(--border-gold);
    gap: 10px;
    padding: 15px 20px;
    display: flex;
}

.presentation-page .social-btn {
    background: linear-gradient(135deg, rgba(var(--rgb-dark), 0.8) 0%, rgba(var(--rgb-medium), 0.6) 100%);
    border: 1px solid var(--border-gold);
    color: var(--text-light);
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-radius: 8px;
    flex: 1;
    justify-content: center;
    align-items: center;
    gap: 8px;
    padding: 12px;
    font-family: Cinzel, Georgia, serif;
    font-size: 12px;
    text-decoration: none;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    position: relative;
    overflow: hidden;
}

.presentation-page .social-btn:hover {
    border-color: var(--primary-gold);
    color: var(--text-gold);
    box-shadow: 0 8px 25px rgba(var(--rgb-gold), 0.15);
    transform: translateY(-3px);
}

.presentation-page .back-btn {
    background: linear-gradient(135deg, rgba(var(--rgb-gold), 0.15) 0%, rgba(var(--rgb-gold), 0.08) 100%);
    border-color: rgba(var(--rgb-gold), 0.3);
    color: var(--text-gold);
}

.presentation-page .main-content {
    flex: 1;
    max-width: 100%;
    margin-left: 280px;
    transition: margin-left 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.presentation-page .main-content.expanded {
    margin-left: 0;
}

.presentation-page .pres-hero-banner {
    justify-content: center;
    align-items: center;
    height: 55vh;
    min-height: 420px;
    display: flex;
    position: relative;
    overflow: hidden;
}

.presentation-page .pres-hero-bg {
    filter: brightness(0.82) saturate(0.92);
    background-position: center;
    background-size: cover;
    position: absolute;
    inset: 0;
}

.presentation-page .pres-hero-overlay {
    background: linear-gradient(180deg, rgba(var(--rgb-dark), 0.3) 0%, rgba(var(--rgb-dark), 0.9) 100%);
    position: absolute;
    inset: 0;
}

.presentation-page .pres-hero-vignette {
    background: radial-gradient(transparent 40%, rgba(0, 0, 0, 0.6) 100%);
    position: absolute;
    inset: 0;
}

.presentation-page .content-wrapper {
    background: linear-gradient(180deg, rgba(var(--rgb-dark), 0.98) 0%, rgba(var(--rgb-medium), 0.99) 10%, rgba(var(--rgb-dark), 1) 50%, rgba(var(--rgb-medium), 0.99) 90%, rgba(var(--rgb-dark), 0.98) 100%);
    border-left: 1px solid var(--border-gold);
    border-right: 1px solid var(--border-gold);
    box-shadow: 0 -20px 60px rgba(0, 0, 0, 0.8), inset 0 1px 0 rgba(var(--rgb-gold), 0.1);
    z-index: 10;
    border-radius: 15px 15px 0 0;
    margin: -80px 20px 0;
    padding-top: 40px;
    padding-bottom: 60px;
    position: relative;
}

.presentation-page .content-wrapper::before {
    content: '';
    background: linear-gradient(90deg, transparent, var(--primary-gold), transparent);
    border-radius: 2px;
    width: 200px;
    height: 3px;
    position: absolute;
    top: 0;
    left: 50%;
    transform: translate(-50%);
}

.presentation-page .content-padding {
    max-width: none;
    margin: 0 auto;
    padding: 0;
}

.presentation-page .section-block {
    background:
        linear-gradient(180deg, rgba(25, 17, 15, 0.88), rgba(12, 8, 7, 0.95)),
        radial-gradient(circle at top right, rgba(var(--rgb-gold), 0.14), transparent 38%);
    background-origin: border-box !important;
    background-clip: border-box !important;
    border: 1px solid rgba(var(--rgb-gold), 0.16);
    border-radius: 0;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.26);
    min-height: 520px;
    margin: 0 auto 34px;
    padding: 42px 36px;
    scroll-margin-top: calc(var(--presentation-topbar-height) + 30px);
    position: relative;
    overflow: hidden;
}

.presentation-page .section-header {
    text-align: center;
    max-width: 820px;
    margin: 0 auto 26px;
    padding-top: 0;
}

.presentation-page .section-title {
    color: #fff4ea;
    letter-spacing: 0;
    margin: 0 0 12px;
    font-family: Cinzel, Georgia, serif;
    font-size: clamp(1.65rem, 2.1vw, 2.6rem);
    font-weight: 700;
    line-height: 1.2;
}

.presentation-page .ornament {
    justify-content: center;
    align-items: center;
    gap: 12px;
    margin: 10px 0 12px;
    display: flex;
}

.presentation-page .ornament-line {
    background: linear-gradient(90deg, transparent, rgba(224, 187, 130, 0.8), transparent);
    width: 74px;
    height: 1px;
}

.presentation-page .ornament-line:last-child {
    background: linear-gradient(90deg, transparent, rgba(224, 187, 130, 0.8), transparent);
}

.presentation-page .ornament-icon {
    color: var(--primary-gold);
    opacity: 0.8;
    text-shadow: 0 0 10px rgba(var(--rgb-gold), 0.4);
    font-size: 20px;
}

.presentation-page .section-description {
    text-align: center;
    color: rgba(244, 236, 230, 0.76);
    max-width: 760px;
    margin: 0 auto;
    font-family: Inter, sans-serif;
    font-size: 0.92rem;
    line-height: 1.65;
}

.presentation-page .highlight {
    color: var(--primary-gold);
    font-weight: 600;
}

.presentation-page .section-content {
    background: linear-gradient(180deg, rgba(36, 23, 20, 0.56), rgba(18, 12, 11, 0.42));
    border: 1px solid rgba(var(--rgb-gold), 0.14);
    border-radius: 16px;
    max-width: none;
    margin: 0;
    padding: 22px;
    overflow: hidden;
}

.presentation-page .section-content::before {
    content: none;
}

.presentation-page .pres-section-separator {
    display: none;
}

.presentation-page .category-divider {
    text-align: center;
    max-width: 1180px;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: 18px;
    padding: 22px 0 4px;
    position: relative;
}

.presentation-page .category-divider::after {
    content: '';
    background: linear-gradient(90deg, transparent, var(--border-gold), transparent);
    width: 200px;
    height: 1px;
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translate(-50%);
}

.presentation-page .category-divider-title {
    color: var(--text-gold);
    text-transform: uppercase;
    letter-spacing: 3px;
    opacity: 0.6;
    font-family: Cinzel, Georgia, serif;
    font-size: 0.85rem;
}

.presentation-page .pres-side-by-side,
.presentation-page .pres-layout-desktop-image_left .pres-block-grid,
.presentation-page .pres-layout-desktop-image_right .pres-block-grid {
    align-items: center;
    gap: 22px;
    margin: 0;
    display: grid;
    grid-template-columns: minmax(0, 0.95fr) minmax(260px, 1.05fr);
}

.presentation-page .pres-content-block {
    margin: 0;
}

.presentation-page .pres-block-grid {
    display: block;
}

.presentation-page .pres-layout-desktop-image_left .pres-image-frame,
.presentation-page .pres-layout-desktop-image_right .pres-text-content {
    order: 1;
}

.presentation-page .pres-layout-desktop-image_left .pres-text-content,
.presentation-page .pres-layout-desktop-image_right .pres-image-frame {
    order: 2;
}

.presentation-page .pres-subsection-title {
    position: relative;
    color: #e0bb82;
    margin: 0 0 16px;
    padding-bottom: 8px;
    font-family: Cinzel, Georgia, serif;
    font-size: clamp(1.08rem, 1.5vw, 1.34rem);
    letter-spacing: 0.015em;
    text-shadow: 0 6px 22px rgba(var(--rgb-gold), 0.12);
}

.presentation-page .pres-subsection-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    width: min(180px, 42%);
    height: 1px;
    background: linear-gradient(90deg, rgba(var(--rgb-gold), 0.72), transparent);
}

.presentation-page .pres-layout-desktop-image_left > .pres-subsection-title {
    padding-left: 18px;
    text-align: left;
}

.presentation-page .pres-layout-desktop-image_left > .pres-subsection-title::after {
    left: 18px;
}

.presentation-page .pres-layout-desktop-image_right > .pres-subsection-title {
    padding-right: 18px;
    text-align: right;
}

.presentation-page .pres-layout-desktop-image_right > .pres-subsection-title::after {
    right: 18px;
    background: linear-gradient(270deg, rgba(var(--rgb-gold), 0.72), transparent);
}

.presentation-page .pres-layout-desktop-grid > .pres-subsection-title,
.presentation-page .pres-layout-desktop-compact > .pres-subsection-title {
    text-align: center;
}

.presentation-page .pres-layout-desktop-grid > .pres-subsection-title::after,
.presentation-page .pres-layout-desktop-compact > .pres-subsection-title::after {
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(90deg, transparent, rgba(var(--rgb-gold), 0.72), transparent);
}

.presentation-page .pres-block-separator {
    justify-content: center;
    align-items: center;
    margin: 24px 0;
    display: flex;
}

.presentation-page .pres-block-separator .ornament-line {
    background: linear-gradient(90deg, transparent, rgba(var(--rgb-gold), 0.38), transparent);
    width: min(100%, 78%);
    height: 1px;
    display: block;
}

.presentation-page .pres-side-by-side > * {
    flex: 1;
    min-width: 0;
}

.presentation-page .pres-block-grid > * {
    min-width: 0;
}

.presentation-page .pres-image-frame {
    border: 1px solid rgba(var(--rgb-gold), 0.12);
    background: rgba(0, 0, 0, 0.24);
    border-radius: 14px;
    align-items: center;
    justify-content: center;
    min-height: 260px;
    margin: 0;
    padding: 10px;
    display: flex;
}

.presentation-page .pres-image-frame.pres-image-frame-comparison {
    min-height: 0;
}

.presentation-page .pres-image-frame img {
    border-radius: 10px;
    width: var(--main-image-size-desktop, 100%);
    max-width: 100%;
    max-height: 420px;
    height: auto;
    object-fit: contain;
    image-rendering: auto;
    image-rendering: -webkit-optimize-contrast;
    backface-visibility: hidden;
    transform: translateZ(0);
    display: block;
}

.presentation-page .pres-comparison,
.presentation-page .pres-gallery {
    position: relative;
    width: var(--main-image-size-desktop, 100%);
    max-width: 100%;
    border-radius: 10px;
    background: rgba(0, 0, 0, 0.28);
}

.presentation-page .pres-comparison,
.presentation-page .pres-gallery {
    overflow: visible;
}

.presentation-page .pres-gallery-slide {
    display: none;
}

.presentation-page .pres-gallery-slide.is-active {
    display: block;
}

.presentation-page .pres-gallery-slide img {
    width: 100%;
    max-width: 100%;
    max-height: 420px;
    height: auto;
    object-fit: contain;
    display: block;
}

.presentation-page .pres-comparison-slide {
    display: none;
}

.presentation-page .pres-comparison-slide.is-active {
    display: block;
}

.presentation-page .pres-comparison-stage {
    position: relative;
    width: 100%;
    overflow: hidden;
    border-radius: 10px;
}

.presentation-page .pres-comparison-stage img {
    width: 100%;
    max-width: 100%;
    max-height: 420px;
    height: auto;
    object-fit: contain;
    display: block;
}

.presentation-page .pres-comparison-stage img:first-child {
    clip-path: inset(0 calc(100% - var(--split, 50%)) 0 0);
}

.presentation-page .pres-comparison-stage img + img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    clip-path: inset(0 0 0 var(--split, 50%));
}

.presentation-page .pres-comparison-stage span {
    position: absolute;
    top: 0;
    bottom: 0;
    left: var(--split, 50%);
    width: 2px;
    transform: translateX(-50%);
    background: rgba(244, 236, 230, 0.55);
    box-shadow: 0 0 18px rgba(244, 236, 230, 0.18);
}

.presentation-page .pres-comparison-stage input {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    margin: 0;
    opacity: 0;
    cursor: ew-resize;
}

.presentation-page .pres-media-nav {
    position: absolute;
    top: 12px;
    z-index: 5;
    width: 38px;
    height: 38px;
    border-radius: 999px;
    border: 1px solid rgba(var(--rgb-gold), 0.22);
    background: rgba(13, 9, 8, 0.58);
    color: var(--text-gold);
    cursor: pointer;
}

.presentation-page .pres-media-nav-prev {
    left: 12px;
}

.presentation-page .pres-media-nav-next {
    right: 12px;
}

.presentation-page .pres-media-dots {
    position: absolute;
    left: 50%;
    bottom: 12px;
    z-index: 5;
    display: flex;
    gap: 8px;
    transform: translateX(-50%);
}

.presentation-page .pres-comparison .pres-media-dots {
    position: static;
    justify-content: center;
    margin-top: 10px;
    transform: none;
}

.presentation-page .pres-media-dot {
    width: 9px;
    height: 9px;
    padding: 0;
    border: 0;
    border-radius: 999px;
    background: rgba(244, 236, 230, 0.32);
    cursor: pointer;
}

.presentation-page .pres-media-dot.is-active {
    background: var(--primary-gold);
    transform: scale(1.18);
}

.presentation-page .pres-info-box {
    background: transparent;
    border: 0;
    color: rgba(244, 236, 230, 0.76);
    border-radius: 0;
    margin: 0;
    padding: 0;
    font-size: 0.92rem;
    line-height: 1.65;
    display: block;
}

.presentation-page .rich-editor-content > .pres-info-box {
    margin-top: 14px;
}

.presentation-page .pres-stats-row {
    border: 0;
    border-radius: 0;
    gap: 8px;
    margin-top: 14px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(80px, 1fr));
    overflow: visible;
}

.presentation-page .pres-stat {
    text-align: left;
    background: rgba(0, 0, 0, 0.24);
    border: 1px solid rgba(var(--rgb-gold), 0.12);
    border-radius: 12px;
    padding: 10px;
}

.presentation-page .pres-stat:last-child {
    border-right: 1px solid rgba(var(--rgb-gold), 0.12);
}

.presentation-page .pres-stat-value {
    color: #e0bb82;
    font-size: 1.05rem;
    font-weight: 800;
    display: block;
}

.presentation-page .pres-stat-label {
    color: rgba(244, 236, 230, 0.68);
    text-transform: none;
    letter-spacing: 0;
    margin-top: 0;
    font-size: 0.76rem;
    display: block;
}

.presentation-page .pres-grid-1,
.presentation-page .pres-grid-2,
.presentation-page .pres-grid-3 {
    gap: 10px;
    margin-top: 14px;
    display: grid;
}

.presentation-page .pres-grid-1 {
    grid-template-columns: 1fr;
}

.presentation-page .pres-grid-2 {
    grid-template-columns: 1fr;
}

.presentation-page .pres-grid-3 {
    grid-template-columns: 1fr;
}

.presentation-page .pres-layout-desktop-compact .pres-grid-2,
.presentation-page .pres-layout-desktop-compact .pres-grid-3 {
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

.presentation-page .pres-layout-desktop-compact .pres-stats-row {
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
}

.presentation-page .pres-layout-desktop-compact .pres-card-icon {
    align-items: stretch;
    flex-direction: column;
}

.presentation-page .pres-layout-desktop-compact .pres-card-icon > div {
    width: 100%;
}

.presentation-page .pres-layout-desktop-compact .pres-card-icon img {
    width: var(--compact-card-image-size-desktop, 100%);
    max-width: 100%;
    height: auto;
    margin-left: auto;
    margin-right: auto;
    aspect-ratio: var(--compact-card-image-ratio, 16 / 9);
    object-fit: contain;
    image-rendering: auto;
    image-rendering: -webkit-optimize-contrast;
    backface-visibility: hidden;
    transform: translateZ(0);
}

@media (max-width: 1440px) and (min-width: 992px) {
    .presentation-page .pres-content-block > .pres-subsection-title {
        padding-left: 0;
        padding-right: 0;
        text-align: center;
    }

    .presentation-page .pres-content-block > .pres-subsection-title::after {
        left: 50%;
        right: auto;
        transform: translateX(-50%);
        background: linear-gradient(90deg, transparent, rgba(var(--rgb-gold), 0.72), transparent);
    }

    .presentation-page .pres-layout-laptop-image_left .pres-block-grid,
    .presentation-page .pres-layout-laptop-image_right .pres-block-grid {
        align-items: center;
        gap: 22px;
        display: grid;
        grid-template-columns: minmax(0, 0.95fr) minmax(260px, 1.05fr);
    }

    .presentation-page .pres-layout-laptop-grid .pres-block-grid,
    .presentation-page .pres-layout-laptop-compact .pres-block-grid {
        display: block;
    }

    .presentation-page .pres-layout-laptop-image_left .pres-image-frame,
    .presentation-page .pres-layout-laptop-image_right .pres-text-content {
        order: 1;
    }

    .presentation-page .pres-layout-laptop-image_left .pres-text-content,
    .presentation-page .pres-layout-laptop-image_right .pres-image-frame {
        order: 2;
    }

    .presentation-page .pres-image-frame img {
        width: var(--main-image-size-laptop, var(--main-image-size-desktop, 100%));
    }

    .presentation-page .pres-comparison,
    .presentation-page .pres-gallery {
        width: var(--main-image-size-laptop, var(--main-image-size-desktop, 100%));
    }

    .presentation-page .pres-layout-laptop-compact .pres-grid-2,
    .presentation-page .pres-layout-laptop-compact .pres-grid-3 {
        grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    }

    .presentation-page .pres-layout-laptop-compact .pres-card-icon {
        align-items: stretch;
        flex-direction: column;
    }

    .presentation-page .pres-layout-laptop-compact .pres-card-icon > div {
        width: 100%;
    }

    .presentation-page .pres-layout-laptop-compact .pres-card-icon img {
        width: var(--compact-card-image-size-laptop, var(--compact-card-image-size-desktop, 100%));
    }
}

.presentation-page .pres-card,
.presentation-page .pres-card-icon {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(var(--rgb-gold), 0.12);
    border-radius: 12px;
    transition: all 0.3s;
}

.presentation-page .pres-card {
    padding: 20px;
}

.presentation-page .pres-card-icon {
    align-items: flex-start;
    gap: 10px;
    padding: 10px;
    display: flex;
}

.presentation-page .pres-card:hover,
.presentation-page .pres-card-icon:hover {
    border-color: rgba(var(--rgb-gold), 0.3);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.presentation-page .pres-card-icon img {
    background: rgba(0, 0, 0, 0.24);
    border-radius: 10px;
    flex-shrink: 0;
    width: 42px;
    height: 42px;
    object-fit: contain;
    image-rendering: auto;
    image-rendering: -webkit-optimize-contrast;
    backface-visibility: hidden;
    transform: translateZ(0);
}

.presentation-page .pres-card-icon h4,
.presentation-page .pres-card h4 {
    color: var(--light-gold);
    margin: 0 0 4px;
    font-size: 14px;
}

.presentation-page .pres-card-icon p,
.presentation-page .pres-card p {
    color: rgba(241, 230, 220, 0.68);
    margin: 0;
    font-size: 13px;
    line-height: 1.5;
}

.presentation-page .empty-state {
    text-align: center;
    padding: 100px 30px;
}

.presentation-page .empty-state-icon {
    color: rgba(var(--rgb-gold), 0.2);
    margin-bottom: 20px;
    font-size: 3rem;
}

.presentation-page .empty-state-title {
    color: var(--light-gold);
    margin-bottom: 10px;
    font-family: Cinzel, Georgia, serif;
    font-size: 1.4rem;
}

.presentation-page .empty-state-text {
    color: rgba(241, 230, 220, 0.5);
    font-size: 0.9rem;
}

.presentation-page .mobile-toggle {
    z-index: 200;
    background: rgba(var(--rgb-dark), 0.95);
    border: 1px solid var(--border-gold);
    width: 44px;
    height: 44px;
    color: var(--primary-gold);
    cursor: pointer;
    border-radius: 10px;
    justify-content: center;
    align-items: center;
    padding: 0;
    transition: all 0.3s;
    display: none;
    position: fixed;
    top: calc(var(--presentation-topbar-height) + 14px);
    left: 15px;
}

.presentation-page .sidebar-overlay {
    z-index: 99;
    background: rgba(0, 0, 0, 0.7);
    display: none;
    position: fixed;
    inset: var(--presentation-topbar-height) 0 0;
}

.presentation-page .sidebar-overlay.active {
    display: block;
}

@media (max-width: 991px) {
    .presentation-body {
        --presentation-topbar-height: 72px;
    }

    .presentation-topbar .navbar {
        min-height: var(--presentation-topbar-height);
        padding-left: 16px;
        padding-right: 16px;
    }

    .presentation-page .sidebar {
        transition: transform 0.3s;
        transform: translate(-100%);
    }

    .presentation-page .sidebar.open {
        transform: translate(0);
    }

    .presentation-page .sidebar-expand {
        display: none;
    }

    .presentation-page .mobile-toggle {
        display: flex;
    }

    body.presentation-sidebar-open .presentation-page .mobile-toggle {
        display: none;
    }

    .presentation-page .search-input {
        font-size: 16px;
    }

    .presentation-page .main-content,
    .presentation-page .main-content.expanded {
        margin-left: 0;
    }

    .presentation-page .content-padding {
        padding: 70px 14px 60px;
    }

    .presentation-page .section-block {
        min-height: 460px;
        padding: 30px 24px;
    }

    .presentation-page .pres-hero-banner {
        height: 40vh;
        min-height: 300px;
    }

    .presentation-page .content-wrapper {
        border-radius: 15px 15px 0 0;
        margin: -50px 10px 0;
    }

    .presentation-page .section-content {
        padding: 20px 16px;
    }

    .presentation-page .section-title {
        font-size: 1.5rem;
    }

    .presentation-page .pres-content-block > .pres-subsection-title {
        padding-left: 0;
        padding-right: 0;
        text-align: center;
    }

    .presentation-page .pres-content-block > .pres-subsection-title::after {
        left: 50%;
        right: auto;
        transform: translateX(-50%);
        background: linear-gradient(90deg, transparent, rgba(var(--rgb-gold), 0.72), transparent);
    }

    .presentation-page .pres-side-by-side,
    .presentation-page .pres-layout-tablet-image_left .pres-block-grid,
    .presentation-page .pres-layout-tablet-image_right .pres-block-grid {
        display: grid;
        grid-template-columns: 1fr;
    }

    .presentation-page .pres-side-by-side .pres-image-frame {
        order: -1;
    }

    .presentation-page .pres-layout-tablet-grid .pres-block-grid,
    .presentation-page .pres-layout-tablet-compact .pres-block-grid {
        display: block;
    }

    .presentation-page .pres-layout-tablet-image_left .pres-image-frame,
    .presentation-page .pres-layout-tablet-image_right .pres-image-frame {
        order: 1;
    }

    .presentation-page .pres-layout-tablet-image_left .pres-text-content,
    .presentation-page .pres-layout-tablet-image_right .pres-text-content {
        order: 2;
    }

    .presentation-page .pres-image-frame {
        min-height: 220px;
    }

    .presentation-page .pres-image-frame.pres-image-frame-comparison {
        min-height: 0;
    }

    .presentation-page .pres-image-frame img {
        width: var(--main-image-size-tablet, var(--main-image-size-laptop, var(--main-image-size-desktop, 100%)));
    }

    .presentation-page .pres-comparison,
    .presentation-page .pres-gallery {
        width: var(--main-image-size-tablet, var(--main-image-size-laptop, var(--main-image-size-desktop, 100%)));
    }

    .presentation-page .pres-layout-tablet-compact .pres-card-icon {
        align-items: stretch;
        flex-direction: column;
    }

    .presentation-page .pres-layout-tablet-compact .pres-card-icon > div {
        width: 100%;
    }

    .presentation-page .pres-layout-tablet-compact .pres-card-icon img {
        width: var(--compact-card-image-size-tablet, var(--compact-card-image-size-laptop, var(--compact-card-image-size-desktop, 100%)));
    }

    .presentation-page .pres-grid-2,
    .presentation-page .pres-grid-3 {
        grid-template-columns: 1fr;
    }

    .presentation-page .pres-layout-tablet-compact .pres-grid-2,
    .presentation-page .pres-layout-tablet-compact .pres-grid-3 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .presentation-page .pres-layout-tablet-compact .pres-grid-2 > .pres-card-icon:nth-child(odd):last-child,
    .presentation-page .pres-layout-tablet-compact .pres-grid-3 > .pres-card-icon:nth-child(odd):last-child {
        grid-column: 1 / -1;
    }
}

@media (max-width: 640px) {
    .presentation-page .section-block {
        min-height: 520px;
        padding: 22px 16px;
        border-radius: 0;
    }

    .presentation-page .section-content {
        padding: 14px;
    }

    .presentation-page .section-title {
        font-size: 1.35rem;
    }

    .presentation-page .pres-image-frame {
        min-height: 180px;
    }

    .presentation-page .pres-image-frame.pres-image-frame-comparison {
        min-height: 0;
    }

    .presentation-page .pres-layout-mobile-image_left .pres-block-grid,
    .presentation-page .pres-layout-mobile-image_right .pres-block-grid {
        display: grid;
        grid-template-columns: 1fr;
    }

    .presentation-page .pres-layout-mobile-grid .pres-block-grid,
    .presentation-page .pres-layout-mobile-compact .pres-block-grid {
        display: block;
    }

    .presentation-page .pres-layout-mobile-image_left .pres-image-frame,
    .presentation-page .pres-layout-mobile-image_right .pres-image-frame {
        order: 1;
    }

    .presentation-page .pres-layout-mobile-image_left .pres-text-content,
    .presentation-page .pres-layout-mobile-image_right .pres-text-content {
        order: 2;
    }

    .presentation-page .pres-image-frame img {
        width: var(--main-image-size-mobile, var(--main-image-size-tablet, var(--main-image-size-laptop, var(--main-image-size-desktop, 100%))));
    }

    .presentation-page .pres-comparison,
    .presentation-page .pres-gallery {
        width: var(--main-image-size-mobile, var(--main-image-size-tablet, var(--main-image-size-laptop, var(--main-image-size-desktop, 100%))));
    }

    .presentation-page .pres-layout-mobile-compact .pres-card-icon {
        align-items: stretch;
        flex-direction: column;
    }

    .presentation-page .pres-layout-mobile-compact .pres-card-icon > div {
        width: 100%;
    }

    .presentation-page .pres-layout-mobile-compact .pres-card-icon img {
        width: var(--compact-card-image-size-mobile, var(--compact-card-image-size-tablet, var(--compact-card-image-size-laptop, var(--compact-card-image-size-desktop, 100%))));
    }

    .presentation-page .pres-stats-row {
        grid-template-columns: 1fr;
    }

    .presentation-page .pres-layout-mobile-compact .pres-grid-2,
    .presentation-page .pres-layout-mobile-compact .pres-grid-3,
    .presentation-page .pres-layout-mobile-compact .pres-stats-row {
        grid-template-columns: 1fr;
    }

    .presentation-page .pres-layout-mobile-compact .pres-grid-2 > .pres-card-icon:nth-child(odd):last-child,
    .presentation-page .pres-layout-mobile-compact .pres-grid-3 > .pres-card-icon:nth-child(odd):last-child {
        grid-column: auto;
    }
}
.presentation-orion-block{margin:2rem auto;padding:1.5rem;max-width:1100px;border:1px solid rgba(202,162,92,.28);border-radius:18px;background:linear-gradient(145deg,rgba(18,13,10,.94),rgba(31,21,15,.86));box-shadow:0 20px 55px rgba(0,0,0,.32)}
.presentation-orion-block-title{text-align:center;color:#e6c47d;font-family:Georgia,serif;font-size:clamp(1.35rem,2.5vw,2rem);margin:0 0 1.25rem}
.presentation-orion-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:12px}
.presentation-orion-card,.presentation-orion-fact{display:flex;gap:12px;align-items:center;padding:14px;border:1px solid rgba(220,185,120,.2);border-radius:12px;background:rgba(8,7,6,.48)}
.presentation-orion-card img,.presentation-orion-table img{width:42px;height:42px;object-fit:contain}
.presentation-orion-card h4{margin:0 0 5px;color:#f1ddac}.presentation-orion-card p{margin:0;color:#bdb4a7}
.presentation-orion-table-wrap{overflow:auto}.presentation-orion-table{width:100%;border-collapse:collapse}
.presentation-orion-table th,.presentation-orion-table td{padding:12px;border-bottom:1px solid rgba(220,185,120,.16);text-align:left}.presentation-orion-table th{color:#e7c985;text-transform:uppercase;font-size:.78rem}.presentation-orion-table td{color:#d5cec3}.presentation-orion-table td img{vertical-align:middle;margin-right:8px}
.presentation-orion-slide{display:grid;grid-template-columns:minmax(0,2fr) minmax(250px,1fr);gap:22px;align-items:center}.presentation-orion-slide>img{width:100%;max-height:430px;object-fit:cover;border-radius:14px}.presentation-orion-fact{justify-content:space-between;margin:8px 0}.presentation-orion-fact span{color:#988f83;text-transform:uppercase;font-size:.75rem}.presentation-orion-fact strong{color:#f2dfb3}
.presentation-alchemy-wheel{display:flex;flex-wrap:wrap;justify-content:center;gap:28px;padding:2rem}.presentation-alchemy-item{position:relative;width:96px;min-height:108px;border:1px solid rgba(221,178,92,.45);border-radius:14px;background:rgba(20,14,10,.9);color:#ddc58d;cursor:pointer}.presentation-alchemy-item>img{width:54px;height:54px;object-fit:contain;display:block;margin:8px auto}
.presentation-alchemy-tooltip{display:none;position:absolute;z-index:20;left:50%;bottom:calc(100% + 12px);width:260px;transform:translateX(-50%);padding:12px;text-align:left;border:1px solid #8d6b37;background:rgba(10,9,7,.98);box-shadow:0 15px 40px #000}.presentation-alchemy-tooltip strong,.presentation-alchemy-tooltip span{display:block;padding:7px;border-bottom:1px solid rgba(255,255,255,.08)}.presentation-alchemy-tooltip span{color:#83b990}.presentation-alchemy-item:hover .presentation-alchemy-tooltip,.presentation-alchemy-item:focus .presentation-alchemy-tooltip{display:block}
@media(max-width:760px){.presentation-orion-slide{grid-template-columns:1fr}.presentation-alchemy-tooltip{position:fixed;left:10%;right:10%;bottom:12%;width:auto;transform:none}}

/* Unified Orion presentation language for legacy and dynamic content. */
.presentation-section{border:0!important;border-radius:0!important;background-color:transparent!important;box-shadow:none!important;padding:clamp(2.5rem,6vw,6rem) clamp(1rem,4vw,4rem)!important}
.presentation-section .section-header{max-width:920px;margin-inline:auto;text-align:center}
.presentation-section .section-title{font-family:Georgia,"Times New Roman",serif;color:#e5c372;text-shadow:0 2px 18px rgba(206,156,59,.28)}
.presentation-section .section-description{max-width:820px;margin-inline:auto;color:rgba(237,229,216,.78);line-height:1.8}
.presentation-section .section-content,.presentation-section .rich-editor-content{max-width:1180px;margin-inline:auto}
.pres-image-frame{border:0!important;border-radius:0!important;background:transparent!important;box-shadow:none!important;padding:0!important;overflow:visible!important}
.pres-image-frame::before,.pres-image-frame::after{display:none!important}
.pres-image-frame img{display:block;width:auto!important;max-width:100%!important;height:auto!important;max-height:min(72vh,760px);margin:auto;object-fit:contain!important;filter:none!important;image-rendering:auto}
.pres-card{border:1px solid rgba(213,174,99,.22)!important;border-radius:14px!important;background:linear-gradient(145deg,rgba(20,15,12,.82),rgba(11,9,8,.68))!important;box-shadow:0 15px 38px rgba(0,0,0,.22)!important}
.pres-card-icon{border:0!important;background:transparent!important;box-shadow:none!important}
.pres-card-icon img{width:auto!important;max-width:100%;height:auto!important;max-height:260px;object-fit:contain!important}
.pres-block-separator,.pres-section-separator{opacity:.38}
.presentation-orion-slider-controls{display:flex;justify-content:center;gap:10px;margin-top:18px}
.presentation-orion-slider-controls button{width:42px;height:42px;border:1px solid rgba(222,184,109,.38);border-radius:50%;background:rgba(14,10,8,.82);color:#e6c47d;cursor:pointer}