/* ==========================================================================
   UFA 2026 - PRESENTACIÓN ESCENOGRÁFICA MESA PRESIDIUM
   Design System & Modern Presentation CSS
   ========================================================================== */

:root {
    --bg-primary: #08080C;
    --bg-secondary: #12121A;
    --bg-card: rgba(22, 22, 32, 0.75);
    --bg-card-hover: rgba(30, 30, 45, 0.9);
    
    --gold-primary: #E5A93C;
    --gold-bright: #FFCA60;
    --gold-glow: rgba(229, 169, 60, 0.3);
    
    --bordo-primary: #7A1C2C;
    --bordo-bright: #9E263B;
    --bordo-glow: rgba(122, 28, 44, 0.4);
    
    --text-main: #F0F2F6;
    --text-muted: #949AA8;
    --text-dark: #0A0A0E;
    
    --border-glass: rgba(255, 255, 255, 0.08);
    --border-gold: rgba(229, 169, 60, 0.3);
    --border-bordo: rgba(158, 38, 59, 0.5);

    --font-heading: 'Outfit', -apple-system, sans-serif;
    --font-body: 'Inter', -apple-system, sans-serif;
    
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;

    --header-height: 64px;
    --footer-height: 60px;
    
    --transition-fast: 0.2s ease;
    --transition-slide: 0.45s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Reset & Base */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body, html {
    width: 100%;
    height: 100%;
    overflow: hidden;
    background-color: var(--bg-primary);
    color: var(--text-main);
    font-family: var(--font-body);
    -webkit-font-smoothing: antialiased;
}

/* Typography & Helpers */
h1, h2, h3, h4 {
    font-family: var(--font-heading);
    letter-spacing: -0.02em;
}

.gold-gradient {
    background: linear-gradient(135deg, var(--gold-bright) 0%, var(--gold-primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.text-gold { color: var(--gold-primary); }
.text-muted { color: var(--text-muted); }

/* Header Bar */
.app-header {
    height: var(--header-height);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 1.5rem;
    background: rgba(8, 8, 12, 0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-glass);
    position: relative;
    z-index: 100;
}

.brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.header-ufa-logo {
    height: 38px;
    width: auto;
    border-radius: 6px;
    object-fit: contain;
    border: 1px solid rgba(255, 255, 255, 0.15);
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.4);
}

.logo-badge {
    background: linear-gradient(135deg, #1E1E2A 0%, #0D0D14 100%);
    border: 1px solid var(--border-gold);
    color: var(--gold-primary);
    font-family: var(--font-heading);
    font-weight: 900;
    font-size: 1.1rem;
    padding: 0.35rem 0.65rem;
    border-radius: var(--radius-sm);
    letter-spacing: 1px;
    box-shadow: 0 0 12px var(--gold-glow);
}

.brand-text {
    display: flex;
    flex-direction: column;
}

.brand-title {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.1rem;
    letter-spacing: 0.05em;
    color: #FFF;
}

.brand-subtitle {
    font-size: 0.7rem;
    color: var(--text-muted);
    letter-spacing: 0.1em;
    font-weight: 600;
}

.slide-indicator {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    gap: 0.3rem;
    background: rgba(255, 255, 255, 0.05);
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    border: 1px solid var(--border-glass);
}

.slide-indicator .divider {
    color: var(--text-muted);
    font-size: 0.85rem;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 1.25rem;
}

.company-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background: transparent;
    padding: 0;
    border: none;
}

.company-logo {
    height: 34px;
    width: auto;
    object-fit: contain;
}

.company-name {
    font-family: var(--font-heading);
    font-weight: 900;
    font-size: 1.35rem;
    color: #FFF;
    letter-spacing: 0.04em;
}

.header-actions {
    display: flex;
    gap: 0.5rem;
}

.icon-btn, .icon-btn-text {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid var(--border-glass);
    color: var(--text-main);
    padding: 0.5rem 0.75rem;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
}

.icon-btn:hover, .icon-btn-text:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.25);
    transform: translateY(-1px);
}

/* Progress Bar */
.progress-container {
    height: 3px;
    width: 100%;
    background: rgba(255, 255, 255, 0.05);
    position: relative;
    z-index: 99;
}

.progress-bar {
    height: 100%;
    width: 12.5%; /* 1 of 8 */
    background: linear-gradient(90deg, var(--gold-bright), var(--bordo-bright));
    box-shadow: 0 0 8px var(--gold-glow);
    transition: width var(--transition-slide);
}

/* Main Presentation Area */
.presentation-wrapper {
    height: calc(100vh - var(--header-height) - var(--footer-height) - 3px);
    width: 100vw;
    position: relative;
    overflow: hidden;
}

.slides-container {
    width: 100%;
    height: 100%;
    position: relative;
}

/* Slide Base Style */
.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px) scale(0.97);
    filter: blur(4px);
    transition: opacity 0.55s cubic-bezier(0.16, 1, 0.3, 1), 
                transform 0.55s cubic-bezier(0.16, 1, 0.3, 1), 
                filter 0.55s cubic-bezier(0.16, 1, 0.3, 1),
                visibility 0.55s cubic-bezier(0.16, 1, 0.3, 1);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 3rem;
}

.slide.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
    filter: blur(0px);
    z-index: 2;
}

.slide.prev-slide {
    transform: translateY(-20px) scale(0.97);
    filter: blur(4px);
    opacity: 0;
}

/* Staggered Item Entrance Animations inside Active Slide */
.slide .slide-header,
.slide .media-showcase-primary,
.slide .media-showcase-secondary,
.slide .feature-bullets-card,
.slide .spec-box,
.slide .detail-card,
.slide .contact-card,
.slide .hero-body {
    opacity: 0;
    transform: translateY(18px);
    transition: opacity 0.5s cubic-bezier(0.16, 1, 0.3, 1), transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.slide.active .slide-header,
.slide.active .hero-body {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.1s;
}

.slide.active .media-showcase-primary,
.slide.active .specs-grid .spec-box:nth-child(1),
.slide.active .technical-image-container {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.18s;
}

.slide.active .media-showcase-secondary,
.slide.active .specs-grid .spec-box:nth-child(2),
.slide.active .technical-details .detail-card:nth-child(1) {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.25s;
}

.slide.active .feature-bullets-card,
.slide.active .specs-grid .spec-box:nth-child(3),
.slide.active .technical-details .detail-card:nth-child(2) {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.32s;
}

.slide.active .technical-details .detail-card:nth-child(3) {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.38s;
}

.slide.active .contact-card {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.28s;
}

/* Staggered Bullet List Item Entrance */
.slide .bullet-list li {
    opacity: 0;
    transform: translateX(-12px);
    transition: opacity 0.4s cubic-bezier(0.16, 1, 0.3, 1), transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.slide.active .bullet-list li:nth-child(1) { opacity: 1; transform: translateX(0); transition-delay: 0.35s; }
.slide.active .bullet-list li:nth-child(2) { opacity: 1; transform: translateX(0); transition-delay: 0.42s; }
.slide.active .bullet-list li:nth-child(3) { opacity: 1; transform: translateX(0); transition-delay: 0.49s; }
.slide.active .bullet-list li:nth-child(4) { opacity: 1; transform: translateX(0); transition-delay: 0.56s; }

.slide-content {
    max-width: 1350px;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
    z-index: 10;
}

/* Slide Headers */
.slide-header {
    margin-bottom: 1.5rem;
}

.flex-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
}

.slide-subtitle {
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    color: var(--gold-primary);
    text-transform: uppercase;
    margin-bottom: 0.25rem;
}

.slide-title {
    font-size: 2.2rem;
    font-weight: 800;
    color: #FFF;
}

.slide-desc {
    font-size: 0.95rem;
    color: var(--text-muted);
    max-width: 500px;
    line-height: 1.4;
}

/* Badges */
.badge-option {
    display: inline-block;
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    margin-bottom: 0.4rem;
}

.badge-wood {
    background: rgba(229, 169, 60, 0.15);
    border: 1px solid var(--gold-primary);
    color: var(--gold-bright);
}

.badge-bordo {
    background: rgba(158, 38, 59, 0.2);
    border: 1px solid var(--bordo-bright);
    color: #FF7B90;
}

/* Cards & Glassmorphism */
.glow-card {
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-md);
    padding: 1.25rem;
    backdrop-filter: blur(10px);
    transition: var(--transition-fast);
}

.glow-card:hover {
    border-color: rgba(255, 255, 255, 0.2);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.4);
}

/* SLIDE 1: HERO */
.hero-slide {
    align-items: center;
    text-align: center;
    justify-content: center;
}

.hero-backdrop {
    position: absolute;
    inset: 0;
    overflow: hidden;
    z-index: 1;
    pointer-events: none;
}

.glow-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.35;
}

.orb-1 {
    width: 500px;
    height: 500px;
    background: var(--gold-primary);
    top: -100px;
    left: -100px;
}

.orb-2 {
    width: 600px;
    height: 600px;
    background: var(--bordo-primary);
    bottom: -150px;
    right: -100px;
}

.hero-grid-bg {
    position: absolute;
    inset: 0;
    background-image: linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
                      linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    mask-image: radial-gradient(circle at center, black 40%, transparent 80%);
}

.hero-body {
    position: relative;
    z-index: 10;
    max-width: 900px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.25rem;
}

.tag-pill {
    background: rgba(229, 169, 60, 0.1);
    border: 1px solid var(--border-gold);
    color: var(--gold-bright);
    padding: 0.4rem 1rem;
    border-radius: 30px;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.1em;
}

.hero-title {
    font-size: 3.8rem;
    font-weight: 900;
    line-height: 1.1;
    text-transform: uppercase;
}

.hero-lead {
    font-size: 1.2rem;
    color: var(--text-muted);
    max-width: 700px;
}

.hero-specs-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    width: 100%;
    margin-top: 1rem;
}

.hero-spec-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-glass);
    padding: 1rem;
    border-radius: var(--radius-md);
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}

.spec-val {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--gold-bright);
}

.spec-lbl {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.hero-cta-group {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    margin-top: 1.5rem;
}

/* Buttons */
.btn {
    padding: 0.85rem 1.8rem;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1rem;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition-fast);
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    border: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--gold-bright) 0%, var(--gold-primary) 100%);
    color: var(--text-dark);
    box-shadow: 0 4px 20px var(--gold-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(229, 169, 60, 0.5);
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--border-glass);
    color: var(--text-main);
}

.btn-wood-select:hover {
    border-color: var(--gold-primary);
    background: var(--gold-glow);
    color: var(--gold-bright);
}

.btn-bordo-select:hover {
    border-color: var(--bordo-bright);
    background: var(--bordo-glow);
    color: #FF7B90;
}

.keyboard-hint {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* SLIDE 2: SPECS GRID */
.specs-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.spec-box {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.box-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-sm);
    background: rgba(229, 169, 60, 0.12);
    border: 1px solid var(--border-gold);
    color: var(--gold-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
}

.spec-box h3 {
    font-size: 1.25rem;
    font-weight: 700;
}

.spec-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.spec-list li {
    font-size: 0.9rem;
    color: #CBD0DC;
    line-height: 1.45;
    position: relative;
    padding-left: 1rem;
}

.spec-list li::before {
    content: "•";
    color: var(--gold-primary);
    position: absolute;
    left: 0;
    font-size: 1.2rem;
    line-height: 1;
}

/* SLIDE 3 & 5: SHOWCASE SPLIT */
.showcase-split {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 1.25rem;
    height: calc(100% - 65px);
    max-height: calc(100vh - 165px);
    align-items: stretch;
}

.media-showcase-primary {
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #000;
    height: 100%;
    max-height: 100%;
}

.media-showcase-primary img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: transform 0.5s ease;
}

.media-showcase-primary:hover img {
    transform: scale(1.02);
}

.zoom-badge {
    position: absolute;
    bottom: 0.75rem;
    right: 0.75rem;
    background: rgba(0, 0, 0, 0.75);
    border: 1px solid var(--border-glass);
    color: #FFF;
    padding: 0.35rem 0.75rem;
    border-radius: 20px;
    font-size: 0.75rem;
    backdrop-filter: blur(6px);
}

.media-column {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    height: 100%;
    max-height: 100%;
    justify-content: space-between;
    overflow: hidden;
}

.video-card {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    padding: 0.5rem;
    flex: 1 1 0;
    min-height: 0;
    justify-content: center;
}

.video-wrapper {
    position: relative;
    border-radius: var(--radius-sm);
    overflow: hidden;
    background: #000;
    flex: 1 1 0;
    min-height: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

.video-wrapper video {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.video-play-btn {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.65);
    border: 1px solid var(--border-gold);
    color: var(--gold-bright);
    font-size: 1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
}

.video-play-btn:hover {
    background: var(--gold-primary);
    color: var(--text-dark);
    transform: translate(-50%, -50%) scale(1.1);
}

.video-caption {
    font-size: 0.75rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.media-showcase-secondary {
    position: relative;
    border-radius: var(--radius-sm);
    overflow: hidden;
    aspect-ratio: 1 / 1;
    max-height: 250px;
    width: 100%;
    margin: 0 auto;
    cursor: pointer;
    background: #000;
    display: flex;
    align-items: center;
    justify-content: center;
}

.media-showcase-secondary img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.card-tag {
    position: absolute;
    bottom: 0.5rem;
    left: 0.5rem;
    background: rgba(0, 0, 0, 0.7);
    padding: 0.25rem 0.6rem;
    border-radius: 4px;
    font-size: 0.7rem;
    color: #FFF;
}

.feature-bullets-card {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.feature-bullets-card h3 {
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.bullet-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    font-size: 0.85rem;
    color: #CBD0DC;
}

.bullet-list li {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
}

/* SLIDE 4 & 6: TECHNICAL SPLIT */
.technical-split {
    display: grid;
    grid-template-columns: 1.3fr 1fr;
    gap: 1.5rem;
    height: calc(100% - 80px);
}

.technical-image-container {
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    background: #09090E;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

.technical-image-container img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.technical-details {
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
}

.detail-card {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
    padding: 0.9rem 1.1rem;
}

.detail-number {
    font-family: var(--font-heading);
    font-weight: 900;
    font-size: 1.2rem;
    color: var(--gold-bright);
    background: rgba(229, 169, 60, 0.12);
    border: 1px solid var(--border-gold);
    width: 38px;
    height: 38px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.bordo-num {
    color: #FF7B90;
    background: rgba(158, 38, 59, 0.2);
    border-color: var(--border-bordo);
}

.detail-text h4 {
    font-size: 1rem;
    color: #FFF;
    margin-bottom: 0.2rem;
}

.detail-text p {
    font-size: 0.82rem;
    color: var(--text-muted);
    line-height: 1.4;
}

.mini-thumb {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-top: 0.5rem;
    background: rgba(255, 255, 255, 0.04);
    padding: 0.35rem 0.6rem;
    border-radius: var(--radius-sm);
    cursor: pointer;
    width: fit-content;
}

.mini-thumb img {
    width: 40px;
    height: 40px;
    object-fit: cover;
    border-radius: 4px;
}

.mini-thumb span {
    font-size: 0.75rem;
    color: var(--gold-primary);
    font-weight: 600;
}

/* SLIDE 7: COMPARISON TABLE */
.comparison-container {
    overflow-x: auto;
    padding: 0;
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

.comparison-table th, .comparison-table td {
    padding: 1.1rem 1.4rem;
    border-bottom: 1px solid var(--border-glass);
}

.comparison-table th {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 700;
    background: rgba(0, 0, 0, 0.4);
}

.col-wood { color: var(--gold-bright); }
.col-bordo { color: #FF7B90; }

.feature-label {
    font-weight: 600;
    color: #FFF;
    font-size: 0.9rem;
    width: 25%;
}

.comparison-table td {
    font-size: 0.88rem;
    color: #CBD0DC;
    line-height: 1.4;
    width: 37.5%;
}

.comparison-table tr:hover td {
    background: rgba(255, 255, 255, 0.02);
}

/* SLIDE 8: VOTING & CONCLUSION */
.finish-slide {
    align-items: center;
}

.vote-cards-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    width: 100%;
    max-width: 900px;
    margin: 2rem 0;
}

.vote-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 1rem;
    padding: 1.5rem;
    position: relative;
    cursor: pointer;
}

.vote-card:hover {
    transform: translateY(-4px);
}

.vote-badge {
    position: absolute;
    top: 1rem;
    left: 1rem;
}

.vote-img {
    width: 100%;
    height: 180px;
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.vote-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.vote-card h3 {
    font-size: 1.3rem;
}

.vote-card p {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.vote-card.selected {
    border-color: var(--gold-primary);
    box-shadow: 0 0 25px var(--gold-glow);
}

.next-options-notice {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1.25rem;
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* Footer Navigation Bar */
.app-footer {
    height: var(--footer-height);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 1.5rem;
    background: rgba(8, 8, 12, 0.9);
    backdrop-filter: blur(12px);
    border-top: 1px solid var(--border-glass);
    position: relative;
    z-index: 100;
}

.footer-left {
    display: flex;
    gap: 0.75rem;
}

.nav-btn {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid var(--border-glass);
    color: var(--text-main);
    padding: 0.5rem 1.2rem;
    border-radius: var(--radius-sm);
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-btn:hover {
    background: var(--gold-primary);
    color: var(--text-dark);
    border-color: var(--gold-primary);
    box-shadow: 0 0 12px var(--gold-glow);
}

.slide-dots {
    display: flex;
    gap: 0.4rem;
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.15);
    cursor: pointer;
    transition: var(--transition-fast);
}

.dot.active {
    width: 24px;
    border-radius: 10px;
    background: var(--gold-primary);
    box-shadow: 0 0 8px var(--gold-glow);
}

/* Overview Modal */
.overview-modal {
    position: fixed;
    inset: 0;
    background: rgba(8, 8, 12, 0.95);
    backdrop-filter: blur(20px);
    z-index: 1000;
    display: flex;
    flex-direction: column;
    padding: 2rem;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-fast);
}

.overview-modal.active {
    opacity: 1;
    visibility: visible;
}

.overview-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.close-btn {
    background: none;
    border: none;
    color: var(--text-main);
    font-size: 1.5rem;
    cursor: pointer;
}

.overview-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    overflow-y: auto;
    padding-bottom: 2rem;
}

.overview-card {
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-md);
    padding: 1rem;
    cursor: pointer;
    transition: var(--transition-fast);
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.overview-card:hover {
    border-color: var(--gold-primary);
    transform: translateY(-2px);
}

.overview-card-num {
    font-size: 0.75rem;
    color: var(--gold-primary);
    font-weight: 700;
}

.overview-card-title {
    font-size: 0.95rem;
    font-weight: 700;
    color: #FFF;
}

/* Lightbox */
.lightbox-modal {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.92);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-fast);
}

.lightbox-modal.active {
    opacity: 1;
    visibility: visible;
}

.lightbox-content {
    position: relative;
    max-width: 92vw;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.lightbox-content img {
    max-width: 100%;
    max-height: 82vh;
    border-radius: var(--radius-sm);
    box-shadow: 0 0 50px rgba(0,0,0,0.8);
    object-fit: contain;
}

.lightbox-close {
    position: absolute;
    top: -40px;
    right: 0;
    background: none;
    border: none;
    color: #FFF;
    font-size: 2rem;
    cursor: pointer;
}

.lightbox-caption {
    margin-top: 0.75rem;
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Responsive adjust */
@media (max-width: 1024px) {
    .showcase-split, .technical-split {
        grid-template-columns: 1fr;
    }
    .specs-grid {
        grid-template-columns: 1fr;
    }
    .hero-title {
        font-size: 2.8rem;
    }
    .overview-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Contact Cards on Closing Slide */
.contact-cards-row {
    display: flex;
    gap: 1.5rem;
    width: 100%;
    max-width: 780px;
    margin-top: 1.5rem;
    justify-content: center;
}

.contact-card {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.2rem 1.5rem;
    text-decoration: none;
    color: var(--text-main);
    transition: var(--transition-fast);
}

.contact-card:hover {
    border-color: var(--gold-primary);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px var(--gold-glow);
}

.contact-icon {
    width: 46px;
    height: 46px;
    border-radius: var(--radius-sm);
    background: rgba(229, 169, 60, 0.15);
    border: 1px solid var(--border-gold);
    color: var(--gold-bright);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    flex-shrink: 0;
}

.instagram-icon {
    background: rgba(225, 48, 108, 0.15);
    border-color: rgba(225, 48, 108, 0.4);
    color: #E1306C;
}

.contact-info {
    display: flex;
    flex-direction: column;
    text-align: left;
    gap: 0.2rem;
}

.contact-lbl {
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    color: var(--text-muted);
}

.contact-val {
    font-family: var(--font-heading);
    font-size: 1.05rem;
    font-weight: 800;
    color: #FFF;
}

.contact-arrow {
    margin-left: auto;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.contact-card:hover .contact-arrow {
    color: var(--gold-primary);
}