/* Reset and Variables */
:root {
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-slow: 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Dark Theme (Default) - Green Branding for NGS Group */
body.dark-theme {
    --bg-color: #0d1117;
    --bg-gradient: radial-gradient(circle at 10% 20%, rgba(13, 17, 23, 1) 0%, rgba(22, 28, 36, 1) 100%);
    --text-primary: #f0f6fc;
    --text-secondary: #8b949e;
    --accent-brand: #4ea84b; /* NGS Green */
    --accent-brand-hover: #5cb959;
    --accent-red: #ff3b30;
    --accent-green: #34c759;
    --glass-bg: rgba(22, 28, 36, 0.65);
    --glass-border: rgba(240, 246, 252, 0.1);
    --glass-shadow: rgba(0, 0, 0, 0.4);
    --card-hover-bg: rgba(33, 41, 51, 0.85);
    --tab-active-bg: rgba(78, 168, 75, 0.15);
    --table-header: rgba(78, 168, 75, 0.05);
}

/* Light Theme - Green Branding for NGS Group */
body.light-theme {
    --bg-color: #f6f8fa;
    --bg-gradient: radial-gradient(circle at 10% 20%, #f6f8fa 0%, #eef1f5 100%);
    --text-primary: #1f2328;
    --text-secondary: #57606a;
    --accent-brand: #3b8e38; /* Darker Green for light contrast */
    --accent-brand-hover: #4ea84b;
    --accent-red: #d1241c;
    --accent-green: #1a7f37;
    --glass-bg: rgba(255, 255, 255, 0.75);
    --glass-border: rgba(31, 35, 40, 0.15);
    --glass-shadow: rgba(0, 0, 0, 0.08);
    --card-hover-bg: rgba(255, 255, 255, 0.95);
    --tab-active-bg: rgba(59, 142, 56, 0.1);
    --table-header: rgba(59, 142, 56, 0.05);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Inter', sans-serif;
}

body {
    background: var(--bg-gradient);
    color: var(--text-primary);
    min-height: 100vh;
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: background var(--transition-normal), color var(--transition-normal);
}

h1, h2, h3, h4, .slide-title, .section-title {
    font-family: 'Outfit', sans-serif;
    font-weight: 700;
}

/* Progress Indicator */
.progress-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: rgba(0, 0, 0, 0.1);
    z-index: 1000;
}

.progress-bar {
    width: 10%;
    height: 100%;
    background: linear-gradient(90deg, var(--accent-brand) 0%, #34c759 100%);
    transition: width var(--transition-fast);
}

/* Presentation Container */
.presentation-container {
    width: 92vw;
    height: 90vh;
    max-width: 1400px;
    max-height: 820px;
    position: relative;
    perspective: 1500px;
}

/* Presentation Header (Branding Header) */
.presentation-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 24px;
    border-radius: 16px;
    height: 60px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    margin-bottom: 20px;
}

.ngs-brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.ngs-logo {
    height: 28px;
    width: auto;
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.1));
}

.presentation-header .divider {
    color: var(--glass-border);
    font-size: 1.2rem;
    font-weight: 300;
}

.role-badge {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
    background: rgba(255, 255, 255, 0.05);
    padding: 4px 10px;
    border-radius: 6px;
}

.zkong-brand {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--accent-brand);
    display: flex;
    align-items: center;
    gap: 8px;
}

/* Utilities */
.theme-toggle, .fullscreen-toggle {
    position: absolute;
    top: 8px;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    box-shadow: 0 4px 12px var(--glass-shadow);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    z-index: 100;
    color: var(--text-primary);
    transition: all var(--transition-fast);
}

.theme-toggle {
    right: 20px;
}

.fullscreen-toggle {
    right: 74px;
}

.theme-toggle:hover, .fullscreen-toggle:hover {
    transform: translateY(-2px);
    border-color: var(--accent-brand);
    color: var(--accent-brand);
}

/* Badge style */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    border-radius: 20px;
    background: rgba(78, 168, 75, 0.1);
    border: 1px solid rgba(78, 168, 75, 0.2);
    color: var(--accent-brand);
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Slides Common - Shifted down for header */
.slide {
    position: absolute;
    top: 80px;
    left: 0;
    width: 100%;
    height: calc(100% - 80px);
    padding: 40px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    box-shadow: 0 20px 50px var(--glass-shadow);
    border-radius: 24px;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    opacity: 0;
    transform: rotateX(5deg) translateZ(-100px) translateY(20px);
    pointer-events: none;
    transition: opacity var(--transition-normal), transform var(--transition-slow);
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.slide.active {
    opacity: 1;
    transform: rotateX(0deg) translateZ(0) translateY(0);
    pointer-events: auto;
}

/* Slide Header */
.slide-header {
    margin-bottom: 25px;
}

.slide-num {
    font-size: 0.9rem;
    color: var(--accent-brand);
    font-weight: 700;
    display: block;
    margin-bottom: 5px;
    letter-spacing: 1px;
}

.slide-header h2 {
    font-size: 2.2rem;
    line-height: 1.2;
}

.slide-tag {
    color: var(--text-secondary);
    font-size: 1rem;
    margin-top: 5px;
}

/* Layout Grids */
.grid-2 {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 40px;
    height: 100%;
    align-items: center;
}

.grid-2-reverse {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 40px;
    height: 100%;
    align-items: center;
}

.slide-content {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.slide-title {
    font-size: 2.8rem;
    line-height: 1.15;
    margin-bottom: 15px;
    background: linear-gradient(135deg, var(--text-primary) 30%, var(--accent-brand) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.slide-subtitle {
    font-size: 1.4rem;
    color: var(--accent-brand);
    margin-bottom: 20px;
    font-weight: 500;
}

.slide-description {
    font-size: 1.05rem;
    line-height: 1.6;
    color: var(--text-secondary);
    margin-bottom: 25px;
}

.cta-box {
    margin-top: 5px;
}

/* Visuals styling */
.image-wrapper {
    position: relative;
    border-radius: 18px;
    overflow: hidden;
    height: 340px;
    display: flex;
    justify-content: center;
    align-items: center;
    border: 1px solid var(--glass-border);
}

.image-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.image-wrapper:hover img {
    transform: scale(1.05);
}

.overlay-badge {
    position: absolute;
    bottom: 20px;
    left: 20px;
    background: rgba(13, 17, 23, 0.85);
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    padding: 10px 18px;
    border-radius: 12px;
    display: flex;
    flex-direction: column;
}

.overlay-badge .main-text {
    font-weight: 700;
    color: #fff;
    font-size: 0.95rem;
    letter-spacing: 0.5px;
}

.overlay-badge .sub-text {
    color: var(--accent-brand);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 28px;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    border: none;
}

.btn-primary {
    background: var(--accent-brand);
    color: #fff;
}

.btn-primary:hover {
    background: var(--accent-brand-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(78, 168, 75, 0.3);
}

/* Glass Card */
.glass-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    box-shadow: 0 8px 32px var(--glass-shadow);
    transition: all var(--transition-fast);
}

.glass-card:hover {
    border-color: rgba(78, 168, 75, 0.4);
    box-shadow: 0 12px 40px rgba(78, 168, 75, 0.15);
}

/* Cards Layout */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
    flex-grow: 1;
}

.problem-card, .feature-card {
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.icon-holder {
    width: 44px;
    height: 44px;
    border-radius: 10px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.2rem;
}

.red-icon {
    background: rgba(255, 59, 48, 0.1);
    color: var(--accent-red);
    border: 1px solid rgba(255, 59, 48, 0.2);
}

.green-icon {
    background: rgba(78, 168, 75, 0.1);
    color: var(--accent-brand);
    border: 1px solid rgba(78, 168, 75, 0.2);
}

.green-text {
    color: var(--accent-brand);
}

.problem-card h3, .feature-card h3 {
    font-size: 1.15rem;
    font-weight: 600;
}

.problem-card p, .feature-card p {
    font-size: 0.9rem;
    line-height: 1.45;
    color: var(--text-secondary);
}

/* Orbit Graphic */
.tech-circle {
    width: 250px;
    height: 250px;
    border-radius: 50%;
    border: 2px dashed var(--glass-border);
    position: relative;
    margin: 0 auto;
    display: flex;
    justify-content: center;
    align-items: center;
    animation: rotateOrbit 30s linear infinite;
}

.pulsing-core {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    background: radial-gradient(circle, var(--accent-brand) 0%, rgba(78,168,75,0.3) 100%);
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.7rem;
    color: white;
    box-shadow: 0 0 30px rgba(78, 168, 75, 0.6);
    animation: pulseCore 2s ease-in-out infinite alternate;
}

.orbit-item {
    position: absolute;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--card-hover-bg);
    border: 1px solid var(--glass-border);
    display: flex;
    justify-content: center;
    align-items: center;
    color: var(--accent-brand);
    font-size: 1rem;
    box-shadow: 0 4px 10px rgba(0,0,0,0.2);
    animation: counterRotateOrbit 30s linear infinite;
}

.orbit-item.item-1 { top: -20px; left: calc(50% - 20px); }
.orbit-item.item-2 { right: -20px; top: calc(50% - 20px); }
.orbit-item.item-3 { bottom: -20px; left: calc(50% - 20px); }
.orbit-item.item-4 { left: -20px; top: calc(50% - 20px); }

@keyframes rotateOrbit {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@keyframes counterRotateOrbit {
    from { transform: rotate(360deg); }
    to { transform: rotate(0deg); }
}

@keyframes pulseCore {
    from { transform: scale(0.95); box-shadow: 0 0 20px rgba(78, 168, 75, 0.4); }
    to { transform: scale(1.05); box-shadow: 0 0 40px rgba(78, 168, 75, 0.8); }
}

/* Bullets styling */
.feature-bullets {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 14px;
    margin-top: 10px;
}

.feature-bullets li {
    font-size: 0.95rem;
    line-height: 1.5;
    display: flex;
    gap: 12px;
    align-items: flex-start;
}

.feature-bullets li i {
    color: var(--accent-brand);
    font-size: 1rem;
    margin-top: 3px;
}

/* Stats */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-bottom: 15px;
}

.stat-item {
    padding: 14px 18px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.stat-number {
    font-family: 'Outfit', sans-serif;
    font-size: 2rem;
    font-weight: 800;
    color: var(--accent-brand);
    line-height: 1;
}

.stat-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.helper-text {
    font-size: 0.85rem;
    color: var(--text-secondary);
    display: flex;
    gap: 8px;
    align-items: center;
}

.helper-text i {
    color: var(--accent-brand);
}

/* E-Ink Showcase */
.display-showcase {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
    height: 100%;
}

.eink-panel {
    background: #eef1f5;
    border: 10px solid #222;
    border-radius: 12px;
    width: 300px;
    height: 180px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 12px;
    color: #222;
}

.eink-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid #999;
    padding-bottom: 4px;
}

.eink-header .brand {
    font-weight: 800;
    font-size: 0.8rem;
    letter-spacing: 0.5px;
}

.eink-header .tag {
    font-size: 0.65rem;
    font-weight: 700;
    padding: 2px 6px;
    border-radius: 4px;
    color: white;
}

.bg-brand { background: var(--accent-brand); }

.eink-body {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-around;
    padding: 6px 0;
}

.product-name {
    font-size: 0.95rem;
    color: #222;
    font-weight: 600;
}

.price-container {
    display: flex;
    align-items: baseline;
    gap: 10px;
}

.old-price {
    font-size: 0.85rem;
    color: #666;
    text-decoration: line-through;
}

.new-price {
    font-size: 2rem;
    font-weight: 800;
    color: #d1241c;
    font-family: 'Outfit', sans-serif;
}

.barcode-area {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid #999;
    padding-top: 4px;
}

.barcode {
    font-size: 0.65rem;
    letter-spacing: 1px;
}

.qr-code {
    font-size: 1.1rem;
}

.bullets-card {
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.bullet-row {
    display: flex;
    gap: 14px;
    align-items: flex-start;
}

.bullet-row i {
    font-size: 1.1rem;
    margin-top: 2px;
}

.bullet-row h4 {
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 2px;
}

.bullet-row p {
    font-size: 0.8rem;
    color: var(--text-secondary);
    line-height: 1.4;
}

/* Slide 7: Interactive Showcase */
.interactive-grid {
    display: grid;
    grid-template-columns: 0.8fr 1.2fr;
    gap: 24px;
    height: 330px;
}

.model-list {
    display: flex;
    flex-direction: column;
    gap: 6px;
    overflow-y: auto;
    padding-right: 5px;
}

.model-tab {
    padding: 10px 14px;
    border-radius: 8px;
    background: transparent;
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
    text-align: left;
    cursor: pointer;
    font-weight: 600;
    font-size: 0.85rem;
    transition: all var(--transition-fast);
}

.model-tab:hover {
    border-color: var(--accent-brand);
    background: rgba(78, 168, 75, 0.05);
}

.model-tab.active {
    background: var(--tab-active-bg);
    border-color: var(--accent-brand);
    color: var(--accent-brand);
}

.model-details-container {
    height: 100%;
}

.model-details {
    display: none;
    height: 100%;
    animation: fadeIn var(--transition-fast);
}

.model-details.active {
    display: block;
}

.model-detail-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 20px;
    height: 100%;
    align-items: center;
}

.model-preview {
    height: 220px;
    background: rgba(0,0,0,0.03);
    border-radius: 12px;
    border: 1px dashed var(--glass-border);
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
}

.model-real-img {
    max-width: 90%;
    max-height: 90%;
    object-fit: contain;
    border-radius: 8px;
    filter: drop-shadow(0 6px 12px rgba(0, 0, 0, 0.15));
    transition: transform var(--transition-fast);
}

.model-preview:hover .model-real-img {
    transform: scale(1.05);
}

/* Simulated Tag designs for preview */
.simulated-tag {
    background: #eef1f5;
    border: 6px solid #222;
    border-radius: 8px;
    color: #222;
    padding: 10px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    box-shadow: 0 8px 24px rgba(0,0,0,0.15);
}

.sim-brand { font-size: 0.6rem; font-weight: 800; border-bottom: 1px solid #ccc; padding-bottom: 3px; }
.sim-price { font-size: 1.4rem; font-weight: 800; color: #d1241c; font-family: 'Outfit', sans-serif; margin: 8px 0; }
.sim-code { font-size: 0.55rem; color: #666; }

.tag-15 { width: 110px; height: 110px; }
.tag-21 { width: 170px; height: 95px; }
.tag-21-freezer { width: 170px; height: 95px; border-color: #3b82f6; }
.sim-cold { font-size: 0.65rem; color: #1e3a8a; font-weight: 700; background: rgba(59,130,246,0.1); padding: 2px 6px; border-radius: 4px; display: inline-flex; align-items: center; gap: 4px; width: fit-content; }
.cold-temp { color: #3b82f6; font-weight: 700; }
.tag-26 { width: 190px; height: 110px; }
.tag-29 { width: 210px; height: 110px; }
.tag-37 { width: 220px; height: 135px; }
.sim-promo { font-size: 0.75rem; background: #eab308; color: black; font-weight: 700; padding: 3px; text-align: center; border-radius: 4px; }

.model-specs h3 {
    font-size: 1.25rem;
    margin-bottom: 8px;
    color: var(--accent-brand);
}

.model-desc {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.4;
    margin-bottom: 12px;
}

.specs-table {
    width: 100%;
    border-collapse: collapse;
}

.specs-table tr {
    border-bottom: 1px solid var(--glass-border);
}

.specs-table tr:last-child {
    border: none;
}

.specs-table td {
    padding: 6px 0;
    font-size: 0.85rem;
}

.specs-table td:first-child {
    font-weight: 600;
    color: var(--text-secondary);
    width: 35%;
}

/* Scenarios slide */
.scenarios-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    flex-grow: 1;
}

.scenario-card {
    padding: 14px 18px;
    display: flex;
    flex-direction: column;
    gap: 6px;
    transition: transform var(--transition-fast), border-color var(--transition-fast);
}

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

.scenario-icon {
    font-size: 1.3rem;
    color: var(--accent-brand);
}

.scenario-card h3 {
    font-size: 1.05rem;
    font-weight: 600;
}

.scenario-card p {
    font-size: 0.8rem;
    line-height: 1.4;
    color: var(--text-secondary);
}

/* ROI Calculator */
.roi-calculator {
    padding: 18px;
    margin-top: 10px;
}

.calculator-inputs {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
    margin-bottom: 15px;
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.input-group label {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.input-group input {
    background: rgba(0,0,0,0.1);
    border: 1px solid var(--glass-border);
    padding: 8px 12px;
    border-radius: 6px;
    color: var(--text-primary);
    font-size: 0.95rem;
    font-weight: 600;
}

.calculator-results {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
    border-top: 1px solid var(--glass-border);
    padding-top: 15px;
}

.result-box {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.result-value {
    font-family: 'Outfit', sans-serif;
    font-size: 2rem;
    font-weight: 800;
    color: var(--accent-green);
    line-height: 1;
}

.result-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.roi-summary-card {
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 20px;
    width: 100%;
}

.roi-summary-card h3 {
    font-size: 1.15rem;
    margin-bottom: 5px;
}

.roi-stat-row {
    display: flex;
    gap: 14px;
    align-items: flex-start;
}

.roi-icon {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(52, 199, 89, 0.1);
    color: var(--accent-green);
    border: 1px solid rgba(52, 199, 89, 0.2);
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1rem;
    flex-shrink: 0;
}

.roi-txt strong {
    font-size: 0.9rem;
    display: block;
    margin-bottom: 2px;
}

.roi-txt p {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.justify-center {
    justify-content: center;
    align-items: center;
}

/* Call to action & Contact */
.contact-details {
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.contact-details h3 {
    font-size: 1.1rem;
    border-bottom: 1px solid var(--glass-border);
    padding-bottom: 6px;
    margin-bottom: 4px;
}

.contact-details p {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.85rem;
}

.contact-details p i {
    color: var(--accent-brand);
    font-size: 1rem;
}

.pilot-promo-card {
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    text-align: center;
    align-items: center;
}

.promo-icon {
    font-size: 2rem;
    color: var(--accent-brand);
    animation: pulseCore 2s ease-in-out infinite alternate;
}

.pilot-promo-card h3 {
    font-size: 1.15rem;
}

.pilot-promo-card p {
    font-size: 0.85rem;
    line-height: 1.45;
    color: var(--text-secondary);
}

/* Presentation Controls Navigation */
.controls-container {
    position: absolute;
    bottom: -55px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: 20px;
}

.control-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 0.9rem;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 4px 12px var(--glass-shadow);
    transition: all var(--transition-fast);
}

.control-btn:hover {
    transform: scale(1.05);
    border-color: var(--accent-brand);
    color: var(--accent-brand);
}

.slide-indicator {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--text-secondary);
    min-width: 60px;
    text-align: center;
}

/* Keyframes animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(5px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Responsive styles */
@media (max-width: 1024px) {
    .presentation-container {
        height: auto;
        max-height: none;
    }
    .presentation-header {
        margin-bottom: 10px;
    }
    .slide {
        position: relative;
        top: 0;
        height: auto;
        opacity: 0;
        display: none;
        padding: 24px;
        transform: none;
    }
    .slide.active {
        opacity: 1;
        display: flex;
    }
    .slide-grid.grid-2, .slide-grid.grid-2-reverse {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    .visual-right, .visual-left {
        display: none;
    }
    .cards-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .scenarios-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .interactive-grid {
        grid-template-columns: 1fr;
        height: auto;
    }
    .model-list {
        flex-direction: row;
        overflow-x: auto;
        white-space: nowrap;
        padding-bottom: 10px;
    }
    .model-tab {
        flex: 0 0 auto;
    }
    .model-detail-grid {
        grid-template-columns: 1fr;
    }
    .model-preview {
        display: none;
    }
    .controls-container {
        position: relative;
        bottom: 0;
        margin-top: 20px;
        margin-bottom: 20px;
        left: 0;
        transform: none;
        justify-content: center;
    }
}

@media (max-width: 640px) {
    .slide {
        padding: 16px;
    }
    .slide-title {
        font-size: 1.8rem;
    }
    .slide-subtitle {
        font-size: 1.1rem;
    }
    .cards-grid {
        grid-template-columns: 1fr;
    }
    .scenarios-grid {
        grid-template-columns: 1fr;
    }
    .calculator-inputs {
        grid-template-columns: 1fr;
    }
}

/* New Gorgia Custom Visual Layout Styles */
.gorgia-logo-img {
    height: 28px;
    width: auto;
    border-radius: 4px;
    object-fit: contain;
}

.problem-list-compact {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 10px;
}

.problem-row {
    display: flex;
    gap: 14px;
    align-items: flex-start;
    padding: 12px;
    border-radius: 12px;
    background: rgba(0,0,0,0.02);
    border: 1px solid var(--glass-border);
}

.problem-row i {
    font-size: 1.2rem;
    margin-top: 3px;
}

.problem-row strong {
    font-size: 0.95rem;
    color: var(--text-primary);
    display: block;
    margin-bottom: 2px;
}

.problem-row p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.4;
}

.tech-rows {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 10px;
}

.tech-row-item {
    display: flex;
    gap: 14px;
    align-items: flex-start;
    padding: 12px;
    border-radius: 12px;
    background: rgba(0,0,0,0.02);
    border: 1px solid var(--glass-border);
}

.tech-row-item i {
    font-size: 1.2rem;
    margin-top: 3px;
}

.tech-row-item h4 {
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 2px;
}

.tech-row-item p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.4;
}

/* Interactive Switcher Styles (Scenarios & Accessories) */
.scenarios-list, .acc-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 10px;
}

.scenario-item, .acc-item {
    display: flex;
    gap: 14px;
    align-items: flex-start;
    padding: 10px 14px;
    border-radius: 12px;
    border: 1px solid var(--glass-border);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.scenario-item:hover, .acc-item:hover {
    border-color: var(--accent-brand);
    background: rgba(78, 168, 75, 0.05);
}

.scenario-item.active, .acc-item.active {
    background: var(--tab-active-bg);
    border-color: var(--accent-brand);
}

.scenario-item i, .acc-item i {
    font-size: 1.1rem;
    margin-top: 3px;
    color: var(--accent-brand);
}

.scenario-item h4, .acc-item h4 {
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 2px;
    color: var(--text-primary);
    transition: color var(--transition-fast);
}

.scenario-item.active h4, .acc-item.active h4 {
    color: var(--accent-brand);
}

.scenario-item p, .acc-item p {
    font-size: 0.8rem;
    color: var(--text-secondary);
    line-height: 1.4;
}

.scenario-images-showcase, .acc-images-showcase {
    position: relative;
    width: 100%;
    height: 350px;
    border-radius: 18px;
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
    border: 1px solid var(--glass-border);
}

.scenario-real-img, .acc-real-img {
    position: absolute;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    transition: opacity var(--transition-normal);
    z-index: 1;
}

.scenario-real-img.active, .acc-real-img.active {
    opacity: 1;
    z-index: 2;
}

.scenario-images-showcase .overlay-badge, .acc-images-showcase .overlay-badge {
    z-index: 10;
}

/* PDF Integration Styles: SaaS vs On-Premise & Global Cases */
.tech-rows-and-comp {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-top: 5px;
}

.deployment-comparison {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    padding: 10px 14px;
    margin-top: 5px;
    background: rgba(0, 0, 0, 0.08);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
}

.comp-col h5 {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--accent-brand);
    margin-bottom: 5px;
    display: flex;
    align-items: center;
    gap: 6px;
    margin-top: 0;
}

.comp-col ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.comp-col ul li {
    font-size: 0.72rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 4px;
}

.comp-col ul li::before {
    content: "•";
    color: var(--accent-brand);
    font-weight: bold;
}

.comp-col.border-left {
    border-left: 1px solid var(--glass-border);
    padding-left: 12px;
}

/* Light Theme overrides for comparison box */
.light-theme .deployment-comparison {
    background: rgba(255, 255, 255, 0.5);
}

.global-cases-container {
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding: 16px 20px;
    width: 100%;
}

.global-cases-container h3 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 0;
    margin-bottom: 2px;
}

.cases-intro {
    font-size: 0.8rem;
    color: var(--text-secondary);
    line-height: 1.4;
    margin-top: 0;
    margin-bottom: 5px;
}

.cases-list-vertical {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.case-item-small {
    padding: 8px 12px;
    background: rgba(0, 0, 0, 0.05);
    border: 1px solid var(--glass-border);
    border-radius: 10px;
    display: flex;
    flex-direction: column;
    gap: 2px;
    transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.case-item-small:hover {
    border-color: var(--accent-brand);
    transform: translateY(-1px);
}

.light-theme .case-item-small {
    background: rgba(255, 255, 255, 0.3);
}

.case-item-small strong {
    font-size: 0.85rem;
    color: var(--text-primary);
}

.case-item-small p {
    font-size: 0.72rem;
    color: var(--text-secondary);
    line-height: 1.35;
    margin: 0;
}

.case-badge {
    font-size: 0.58rem;
    font-weight: 800;
    color: var(--accent-brand);
    background: rgba(78, 168, 75, 0.12);
    padding: 1px 5px;
    border-radius: 4px;
    width: max-content;
    margin-bottom: 2px;
    letter-spacing: 0.5px;
}

/* Polished Micro-Animations */
@keyframes floatAnimation {
    0% { transform: translateY(0); }
    50% { transform: translateY(-5px); }
    100% { transform: translateY(0); }
}

.overlay-badge {
    animation: floatAnimation 4s ease-in-out infinite;
}

.promo-icon i, .pilot-promo-card .promo-icon {
    animation: floatAnimation 3s ease-in-out infinite;
}

.badge i {
    animation: pulseIcon 1.5s infinite alternate;
}

@keyframes pulseIcon {
    from { transform: scale(1); opacity: 0.8; }
    to { transform: scale(1.15); opacity: 1; }
}

/* Hover scales for preview images */
.image-wrapper img {
    transition: transform var(--transition-slow);
}
.image-wrapper:hover img {
    transform: scale(1.03);
}

/* Bracket Real Image Styles */
.bracket-real-img {
    position: absolute;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    transition: opacity var(--transition-normal);
    z-index: 1;
}

.bracket-real-img.active {
    opacity: 1;
    z-index: 2;
}

/* Modal Questionnaire Popup Styles */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 1000;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.modal-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.modal-content {
    width: 90%;
    max-width: 480px;
    padding: 30px;
    border-radius: 24px;
    position: relative;
    transform: scale(0.9) translateY(20px);
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
}

.modal-overlay.active .modal-content {
    transform: scale(1) translateY(0);
}

.modal-close {
    position: absolute;
    top: 20px;
    right: 20px;
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.8rem;
    cursor: pointer;
    line-height: 1;
    transition: color 0.2s;
}

.modal-close:hover {
    color: var(--accent-brand);
}

.modal-header {
    text-align: center;
    margin-bottom: 20px;
}

.modal-header h3 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 6px;
    margin-top: 10px;
}

.modal-header p {
    font-size: 0.82rem;
    color: var(--text-secondary);
}

.modal-icon {
    font-size: 2.2rem;
    color: var(--accent-brand);
}

.modal-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group label {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-primary);
    text-align: left;
}

.form-group label .required {
    color: #e05656;
}

.form-group input, .form-group textarea {
    padding: 10px 14px;
    border-radius: 10px;
    border: 1px solid var(--glass-border);
    background: rgba(255, 255, 255, 0.03);
    color: var(--text-primary);
    font-size: 0.85rem;
    font-family: inherit;
    transition: border-color var(--transition-fast), background-color var(--transition-fast);
}

.form-group input:focus, .form-group textarea:focus {
    outline: none;
    border-color: var(--accent-brand);
    background: rgba(255, 255, 255, 0.05);
}

.btn-block {
    width: 100%;
    justify-content: center;
    padding: 12px;
    font-size: 0.95rem;
}

/* Success display styling */
.modal-success {
    display: none;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 20px 0;
}

.modal-success.active {
    display: flex;
}

.success-icon {
    font-size: 3.5rem;
    color: var(--accent-brand);
    margin-bottom: 15px;
}

.modal-success h3 {
    font-size: 1.4rem;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.modal-success p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.5;
    margin-bottom: 12px;
}

.modal-success .secondary-text {
    font-size: 0.75rem;
    opacity: 0.7;
    margin-bottom: 20px;
}

/* Light Theme overrides for modal */
.light-theme .form-group input, .light-theme .form-group textarea {
    background: rgba(255, 255, 255, 0.5);
    border-color: rgba(0, 0, 0, 0.1);
    color: #333;
}
.light-theme .form-group input:focus, .light-theme .form-group textarea:focus {
    background: #fff;
    border-color: var(--accent-brand);
}