/* Professional Color Variables */
:root {
    --primary-navy: #1e3a8a;
    --secondary-blue: #3b82f6;
    --accent-teal: #0891b2;
    --accent-gold: #f59e0b;
    --text-dark: #1f2937;
    --text-medium: #374151;
    --text-light: #6b7280;
    --background-white: #ffffff;
    --background-light: #f8fafc;
    --background-gray: #f1f5f9;
    --border-light: #e5e7eb;
    --border-medium: #d1d5db;
    --success-green: #059669;
    --warning-orange: #ea580c;
    --error-red: #dc2626;
}

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

body {
    font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background: linear-gradient(135deg, var(--primary-navy) 0%, var(--secondary-blue) 100%);
    overflow: hidden;
    height: 100vh;
}

/* Slide Navigation */
.slide-nav {
    position: fixed;
    top: 20px;
    right: 20px;
    display: flex;
    align-items: center;
    gap: 15px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    padding: 12px 24px;
    border-radius: 50px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.12);
    border: 1px solid var(--border-light);
    z-index: 1000;
}

.nav-btn {
    background: var(--primary-navy);
    color: white;
    border: none;
    width: 42px;
    height: 42px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(30, 58, 138, 0.3);
}

.nav-btn:hover {
    background: var(--secondary-blue);
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.4);
}

.nav-btn:disabled {
    background: var(--text-light);
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

#slideCounter {
    font-weight: 600;
    color: var(--text-dark);
    font-size: 15px;
    min-width: 60px;
    text-align: center;
    letter-spacing: 0.5px;
}

/* Slide Indicators - Hidden */
.slide-indicators {
    display: none;
}

/* Slide Container */
.slide {
    width: 100vw;
    height: 100vh;
    position: absolute;
    top: 0;
    left: 0;
    opacity: 0;
    transform: translateX(100px);
    transition: all 0.5s ease-in-out;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 60px 80px;
}

.slide.active {
    opacity: 1;
    transform: translateX(0);
}

.slide-content {
    width: 100%;
    max-width: none;
    aspect-ratio: 16/9;
    background: var(--background-white);
    border-radius: 24px;
    padding: 48px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.12), 0 8px 24px rgba(0,0,0,0.08);
    border: 1px solid var(--border-light);
    overflow: hidden;
    position: relative;
    height: calc(100vh - 120px);
    max-height: calc((100vw - 160px) * 9/16);
    display: flex;
    flex-direction: column;
}

/* Slide Header */
.slide-header {
    text-align: center;
    margin-bottom: 32px;
    border-bottom: 3px solid var(--primary-navy);
    padding-bottom: 20px;
    flex-shrink: 0;
}

.slide-header h2 {
    font-size: 2.25rem;
    color: var(--text-dark);
    margin-bottom: 12px;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.slide-header p {
    font-size: 1.125rem;
    color: var(--text-light);
    font-weight: 500;
    line-height: 1.4;
}

/* Cover Slide */
.cover-slide {
    text-align: center;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    background: linear-gradient(135deg, var(--primary-navy) 0%, var(--secondary-blue) 100%);
    color: white;
    position: relative;
    overflow: hidden;
}

.cover-slide::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 20%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.company-logo {
    margin-bottom: 40px;
}

.logo-icon {
    font-size: 4.5rem;
    margin-bottom: 24px;
    color: var(--accent-gold);
    position: relative;
    z-index: 1;
}

.company-logo h1 {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 10px;
    letter-spacing: 2px;
}

.tagline {
    font-size: 1.3rem;
    opacity: 0.9;
    font-style: italic;
}

.presentation-title {
    margin: 40px 0;
}

.presentation-title h2 {
    font-size: 2.8rem;
    margin-bottom: 15px;
    font-weight: 700;
}

.presentation-title h3 {
    font-size: 2.2rem;
    margin-bottom: 30px;
    color: var(--accent-gold);
    font-weight: 600;
}

.subtitle p {
    font-size: 1.4rem;
    margin: 10px 0;
    opacity: 0.9;
}

.client-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 40px;
}

.kai-logo {
    background: #e53e3e;
    color: white;
    padding: 20px 40px;
    border-radius: 10px;
    font-size: 2rem;
    font-weight: bold;
    letter-spacing: 3px;
}

.presentation-meta p {
    margin: 5px 0;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

/* Problem Statement */
.problem-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 24px;
    flex: 1;
}

.problem-item {
    background: var(--background-light);
    padding: 24px;
    border-radius: 16px;
    border-left: 5px solid var(--text-light);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
}

.problem-item:hover {
    transform: translateY(-5px);
}

.problem-icon {
    text-align: center;
    margin-bottom: 15px;
}

.problem-icon i {
    font-size: 2.5rem;
    color: var(--accent-teal);
}

.problem-item h3 {
    color: var(--text-dark);
    margin-bottom: 10px;
    font-size: 1.2rem;
    text-align: center;
}

.problem-item ul {
    list-style: none;
    padding: 0;
    flex: 1;
}

.problem-item li {
    padding: 5px 0;
    border-bottom: 1px solid #e2e8f0;
    color: var(--text-medium);
    position: relative;
    padding-left: 20px;
    font-size: 0.9rem;
}

.problem-item li:before {
    content: "•";
    color: var(--error-red);
    font-weight: bold;
    position: absolute;
    left: 0;
}

.impact-statement {
    background: linear-gradient(135deg, var(--accent-teal) 0%, var(--secondary-blue) 100%);
    color: white;
    padding: 20px;
    border-radius: 16px;
    text-align: center;
    margin-top: auto;
    box-shadow: 0 4px 12px rgba(8, 145, 178, 0.3);
}

.impact-statement h3 {
    margin-bottom: 12px;
    font-size: 1.25rem;
    font-weight: 600;
}

.impact-statement p {
    font-size: 0.95rem;
    opacity: 0.95;
    line-height: 1.5;
}

/* Solution Architecture */
.solution-architecture {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 15px;
    margin-bottom: 25px;
    flex: 1;
}

.solution-layer {
    background: linear-gradient(135deg, var(--primary-navy) 0%, var(--secondary-blue) 100%);
    color: white;
    padding: 24px;
    border-radius: 16px;
    text-align: center;
    transition: transform 0.3s;
    display: flex;
    flex-direction: column;
    box-shadow: 0 6px 20px rgba(30, 58, 138, 0.2);
}

.solution-layer:hover {
    transform: scale(1.05);
}

.layer-title {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    margin-bottom: 10px;
}

.layer-title i {
    font-size: 2.5rem;
    color: var(--accent-gold);
}

.layer-title h3 {
    font-size: 1.25rem;
    font-weight: 600;
    line-height: 1.3;
}

.layer-content p {
    font-size: 0.95rem;
    line-height: 1.5;
    margin-top: 8px;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 15px;
    margin-top: 20px;
}

.benefit-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 15px;
    background: var(--background-light);
    border-radius: 10px;
    transition: transform 0.3s;
}

.benefit-item:hover {
    transform: translateY(-3px);
}

.benefit-item i {
    font-size: 1.5rem;
    color: var(--secondary-blue);
}

.benefit-item span {
    font-weight: 600;
    color: var(--text-dark);
    font-size: 0.9rem;
    text-align: center;
}

/* Capabilities Layout */
.capabilities-layout {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.capabilities-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    flex: 1;
    height: 100%;
}

.capability-card {
    background: linear-gradient(135deg, var(--background-white) 0%, var(--background-light) 100%);
    padding: 20px;
    border-radius: 16px;
    border: 2px solid var(--border-light);
    transition: all 0.4s ease;
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
    box-shadow: 0 8px 32px rgba(0,0,0,0.08);
}

.capability-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: linear-gradient(90deg, var(--secondary-blue), var(--accent-teal));
}

.capability-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 16px 48px rgba(0,0,0,0.12);
    border-color: var(--secondary-blue);
}

.capability-card i {
    font-size: 2.5rem;
    color: var(--secondary-blue);
    margin-bottom: 12px;
    background: linear-gradient(135deg, var(--secondary-blue), var(--accent-teal));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.capability-card h3 {
    color: var(--text-dark);
    margin-bottom: 10px;
    font-size: 1.2rem;
    font-weight: 700;
    line-height: 1.3;
}

.capability-card p {
    color: var(--text-medium);
    margin-bottom: 12px;
    line-height: 1.4;
    font-size: 0.9rem;
}

.capability-card ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.capability-card li {
    padding: 4px 0;
    color: var(--text-medium);
    position: relative;
    padding-left: 20px;
    font-size: 0.85rem;
    line-height: 1.4;
}

.capability-card li:before {
    content: "✓";
    background: var(--success-green);
    color: white;
    font-weight: bold;
    position: absolute;
    left: 0;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 9px;
    top: 6px;
}

/* Detection Results Large */
.detection-results-large {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-bottom: 20px;
    flex: 1;
    overflow-y: auto;
}

.result-item.info {
    background: #e6fffa;
    border-left-color: #38a169;
}

/* Hardware Specs Layout */
.hardware-specs-layout {
    display: flex;
    flex-direction: column;
    gap: 25px;
    flex: 1;
}

.hardware-overview {
    background: linear-gradient(135deg, var(--primary-navy) 0%, var(--secondary-blue) 100%);
    border-radius: 15px;
    padding: 25px;
    color: white;
}

.overview-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 15px;
    background: rgba(255, 255, 255, 0.1);
    padding: 20px;
    border-radius: 10px;
}

.stat-item i {
    font-size: 2rem;
    color: var(--accent-gold);
}

.stat-info h3 {
    font-size: 2rem;
    margin: 0;
    font-weight: bold;
}

.stat-info p {
    font-size: 0.9rem;
    margin: 0;
    opacity: 0.9;
}

.hardware-details {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 25px;
    flex: 1;
}

.hardware-section {
    background: var(--background-light);
    padding: 20px;
    border-radius: 15px;
    border-left: 5px solid var(--secondary-blue);
}

.hardware-section h3 {
    color: var(--text-dark);
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.spec-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 10px;
}

.spec-item {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 10px;
    padding: 8px 0;
    border-bottom: 1px solid #e2e8f0;
}

.spec-item:last-child {
    border-bottom: none;
}

.spec-item strong {
    color: var(--text-medium);
    font-size: 0.9rem;
}

.spec-item span {
    color: var(--secondary-blue);
    font-weight: 600;
    font-size: 0.9rem;
}

/* Infrastructure Coverage */
.infrastructure-coverage {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 30px;
    flex: 1;
}

.network-infrastructure h3 {
    color: var(--text-dark);
    margin-bottom: 20px;
    font-size: 1.3rem;
}

.network-components {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.component-item {
    background: var(--background-light);
    padding: 15px;
    border-radius: 10px;
    border-left: 4px solid var(--secondary-blue);
    display: flex;
    align-items: center;
    gap: 15px;
}

.component-item i {
    color: var(--secondary-blue);
    font-size: 1.5rem;
    width: 30px;
}

.component-item h4 {
    color: var(--text-dark);
    margin: 0 0 5px 0;
    font-size: 1rem;
}

.component-item p {
    color: var(--text-light);
    margin: 0;
    font-size: 0.85rem;
}

.coverage-plan h3 {
    color: var(--text-dark);
    margin-bottom: 20px;
    font-size: 1.3rem;
}

.location-coverage {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.location-item {
    background: var(--background-light);
    padding: 20px;
    border-radius: 15px;
    border: 2px solid #e2e8f0;
}

.location-item h4 {
    color: var(--text-dark);
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.coverage-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
}

.camera-spot, .sensor-spot {
    background: white;
    padding: 12px;
    border-radius: 8px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    transition: transform 0.3s;
    cursor: pointer;
}

.camera-spot:hover, .sensor-spot:hover {
    transform: scale(1.05);
}

.camera-spot i {
    color: var(--error-red);
    font-size: 1.2rem;
}

.sensor-spot i {
    color: #3182ce;
    font-size: 1.2rem;
}

.camera-spot span, .sensor-spot span {
    font-size: 0.8rem;
    font-weight: bold;
    color: var(--text-dark);
}

.camera-spot small, .sensor-spot small {
    font-size: 0.7rem;
    color: var(--text-light);
}

/* Detection Demo */
.detection-demo-slide {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 25px;
    flex: 1;
    overflow: hidden;
}

.camera-view {
    border: 3px solid #4a5568;
    border-radius: 15px;
    overflow: hidden;
    background: #2d3748;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.camera-header {
    background: #4a5568;
    color: white;
    padding: 12px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 600;
    font-size: 0.85rem;
    flex-shrink: 0;
}

.status-live {
    background: #38a169;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: bold;
}

.camera-content {
    flex: 1;
    position: relative;
    background: linear-gradient(45deg, #4a5568, #2d3748);
    background-image: url('demo.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    overflow: hidden;
    min-height: 200px;
}

.detection-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    height: 100%;
}

.detection-box {
    position: absolute;
    border: 3px solid;
    padding: 5px;
    border-radius: 8px;
    min-width: 100px;
    min-height: 60px;
}

.person-box {
    top: 20%;
    left: 15%;
    width: 25%;
    height: 30%;
    border-color: #e53e3e;
    background: rgba(229, 62, 62, 0.1);
}

.object-box {
    top: 50%;
    right: 20%;
    width: 20%;
    height: 25%;
    border-color: #d69e2e;
    background: rgba(214, 158, 46, 0.1);
}

.detection-label {
    background: rgba(0,0,0,0.8);
    color: white;
    padding: 3px 8px;
    border-radius: 4px;
    font-size: 11px;
    position: absolute;
    top: -25px;
    left: 0;
    white-space: nowrap;
}

.confidence {
    background: rgba(0,0,0,0.8);
    color: white;
    padding: 3px 8px;
    border-radius: 4px;
    font-size: 11px;
    position: absolute;
    top: -25px;
    right: 0;
}

.demo-right h3 {
    color: var(--text-dark);
    margin-bottom: 15px;
    font-size: 1.3rem;
}

.capability-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 20px;
    flex: 1;
    overflow-y: auto;
}

.capability-item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 10px;
    background: var(--background-light);
    border-radius: 8px;
    border-left: 4px solid var(--secondary-blue);
}

.capability-item i {
    font-size: 1.2rem;
    color: var(--secondary-blue);
    margin-top: 2px;
}

.capability-item strong {
    display: block;
    color: var(--text-dark);
    margin-bottom: 3px;
    font-size: 0.95rem;
}

.capability-item p {
    color: var(--text-light);
    font-size: 0.8rem;
    line-height: 1.3;
}

.accuracy-stats h4 {
    color: var(--text-dark);
    margin-bottom: 15px;
}

.stat-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 10px;
}

.stat-bar span {
    font-size: 14px;
    color: var(--text-medium);
    min-width: 130px;
}

.progress-bar {
    flex: 1;
    height: 20px;
    background: #e2e8f0;
    border-radius: 10px;
    overflow: hidden;
    margin: 0 15px;
    position: relative;
}

.progress {
    height: 100%;
    background: linear-gradient(90deg, #667eea, #764ba2);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    padding-right: 8px;
    color: white;
    font-size: 12px;
    font-weight: bold;
    transition: width 2s ease;
}

/* Classification Grid */
.classification-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.classification-category {
    padding: 30px;
    border-radius: 15px;
    border: 3px solid;
}

.classification-category.allowed {
    border-color: #38a169;
    background: linear-gradient(135deg, #f0fff4 0%, #c6f6d5 100%);
}

.classification-category.restricted {
    border-color: #e53e3e;
    background: linear-gradient(135deg, #fed7d7 0%, #feb2b2 100%);
}

.classification-category h3 {
    text-align: center;
    margin-bottom: 20px;
    font-size: 1.3rem;
}

.allowed h3 {
    color: var(--success-green);
}

.restricted h3 {
    color: var(--error-red);
}

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

.item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 15px;
    background: white;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}

.item:hover {
    transform: scale(1.05);
}

.item i {
    font-size: 1.5rem;
    color: var(--text-medium);
}

.item span {
    font-size: 12px;
    text-align: center;
    color: var(--text-dark);
    font-weight: 500;
}

/* Detection Workflow */
.detection-workflow {
    background: var(--background-light);
    padding: 30px;
    border-radius: 15px;
}

.detection-workflow h3 {
    text-align: center;
    color: var(--text-dark);
    margin-bottom: 30px;
    font-size: 1.5rem;
}

.workflow-steps {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 20px;
}

.step {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    flex: 1;
    min-width: 150px;
}

.step-number {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-navy), var(--secondary-blue));
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: bold;
    margin-bottom: 15px;
}

.step-content h4 {
    color: var(--text-dark);
    margin-bottom: 8px;
    font-size: 1.1rem;
}

.step-content p {
    color: var(--text-light);
    font-size: 14px;
}

.arrow {
    color: var(--secondary-blue);
    font-size: 1.5rem;
    margin: 0 10px;
}

/* IoT Layout */
.iot-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    flex: 1;
    align-items: start;
    height: 100%;
    overflow: hidden;
}

.sensor-specs {
    background: var(--background-light);
    padding: 12px;
    border-radius: 12px;
    border-left: 4px solid var(--secondary-blue);
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
    display: flex;
    flex-direction: column;
}

.sensor-specs h3 {
    color: var(--text-dark);
    margin-bottom: 6px;
    font-size: 0.9rem;
    font-weight: 600;
}

.specs-grid {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.spec-card {
    padding: 8px;
    background: var(--background-white);
    border-radius: 6px;
    border: none;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.spec-card i {
    color: var(--secondary-blue);
    font-size: 1rem;
    align-self: flex-start;
}

.spec-card h4 {
    color: var(--text-dark);
    margin: 0;
    font-size: 0.8rem;
    font-weight: 600;
}

.spec-card ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.spec-card li {
    padding: 1px 0;
    color: var(--text-medium);
    font-size: 0.7rem;
    position: relative;
    padding-left: 10px;
    line-height: 1.2;
}

.spec-card li:before {
    content: "•";
    color: var(--secondary-blue);
    position: absolute;
    left: 0;
    font-weight: bold;
}

.location-comparison {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.location-card {
    padding: 12px;
    border-radius: 10px;
    color: white;
    text-align: center;
    box-shadow: 0 4px 16px rgba(0,0,0,0.12);
}

.location-card.jakarta {
    background: linear-gradient(135deg, var(--primary-navy) 0%, var(--secondary-blue) 100%);
}

.location-card.bandung {
    background: linear-gradient(135deg, #4fd1c7 0%, #3182ce 100%);
}

.location-card h3 {
    margin-bottom: 8px;
    font-size: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}

.sensor-readings {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.reading {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: rgba(255, 255, 255, 0.15);
    padding: 5px;
    border-radius: 5px;
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    font-size: 0.85rem;
}

.reading i {
    font-size: 1.2rem;
}

.reading-info {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
}

.value {
    font-size: 1.8rem;
    font-weight: bold;
    margin-bottom: 5px;
}

.status {
    padding: 3px 10px;
    border-radius: 15px;
    font-size: 12px;
    font-weight: bold;
}

.status.optimal {
    background: #38a169;
}

.status.warning {
    background: #d69e2e;
}

.sensor-specs h3 {
    color: var(--text-dark);
    margin-bottom: 25px;
    text-align: center;
    font-size: 1.5rem;
}

.specs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
}

.spec-card {
    background: var(--background-light);
    padding: 25px;
    border-radius: 15px;
    border-left: 5px solid var(--secondary-blue);
    transition: transform 0.3s;
}

.spec-card:hover {
    transform: translateY(-5px);
}

.spec-card i {
    font-size: 2rem;
    color: var(--secondary-blue);
    margin-bottom: 15px;
}

.spec-card h4 {
    color: var(--text-dark);
    margin-bottom: 15px;
    font-size: 1.2rem;
}

.spec-card ul {
    list-style: none;
    padding: 0;
}

.spec-card li {
    padding: 5px 0;
    color: var(--text-medium);
    position: relative;
    padding-left: 20px;
}

.spec-card li:before {
    content: "•";
    color: var(--secondary-blue);
    font-weight: bold;
    position: absolute;
    left: 0;
}

/* Infrastructure Layout */
.infrastructure-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 25px;
    flex: 1;
    overflow: hidden;
}

.hardware-specs h3 {
    color: var(--text-dark);
    margin-bottom: 15px;
    font-size: 1.2rem;
    text-align: center;
}

.hardware-grid {
    display: flex;
    flex-direction: column;
    gap: 15px;
    overflow-y: auto;
}

.hardware-item {
    display: flex;
    gap: 15px;
    background: var(--background-light);
    padding: 15px;
    border-radius: 10px;
    border-left: 4px solid var(--secondary-blue);
    transition: transform 0.3s;
}

.hardware-item:hover {
    transform: translateY(-5px);
}

.hardware-icon {
    background: linear-gradient(135deg, var(--primary-navy), var(--secondary-blue));
    color: white;
    width: 45px;
    height: 45px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.hardware-info h4 {
    color: var(--text-dark);
    margin-bottom: 5px;
    font-size: 1rem;
}

.hardware-info p {
    color: var(--secondary-blue);
    font-weight: 600;
    margin-bottom: 8px;
    font-size: 0.9rem;
}

.hardware-info ul {
    list-style: none;
    padding: 0;
}

.hardware-info li {
    padding: 2px 0;
    color: var(--text-medium);
    font-size: 0.8rem;
    position: relative;
    padding-left: 12px;
}

.hardware-info li:before {
    content: "✓";
    color: var(--success-green);
    font-weight: bold;
    position: absolute;
    left: 0;
}

.coverage-map h3 {
    color: var(--text-dark);
    margin-bottom: 15px;
    font-size: 1.2rem;
    text-align: center;
}

.room-layouts {
    display: flex;
    flex-direction: column;
    gap: 15px;
    overflow-y: auto;
}

.room-plan {
    background: var(--background-light);
    padding: 15px;
    border-radius: 10px;
    border: 2px solid #e2e8f0;
}

.room-plan h4 {
    text-align: center;
    color: var(--text-dark);
    margin-bottom: 10px;
    font-size: 1rem;
}

.room-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
    min-height: 80px;
}

.camera-position, .sensor-position {
    background: white;
    padding: 10px;
    border-radius: 8px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    transition: transform 0.3s;
    cursor: pointer;
}

.camera-position:hover, .sensor-position:hover {
    transform: scale(1.05);
}

.camera-position i {
    color: var(--error-red);
    font-size: 1.2rem;
}

.sensor-position i {
    color: #3182ce;
    font-size: 1.2rem;
}

.camera-position span, .sensor-position span {
    font-size: 0.75rem;
    font-weight: bold;
    color: var(--text-dark);
}

/* Budget Layout */
.budget-layout {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 25px;
    margin-bottom: 20px;
    flex: 1;
}

.budget-summary {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.total-investment {
    background: linear-gradient(135deg, var(--primary-navy) 0%, var(--secondary-blue) 100%);
    color: white;
    padding: 20px;
    border-radius: 15px;
    text-align: center;
}

.total-investment h3 {
    margin-bottom: 10px;
    font-size: 1.1rem;
}

.amount {
    font-size: 1.8rem;
    font-weight: bold;
    margin-bottom: 8px;
}

.location-breakdown {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.location-budget {
    background: var(--background-light);
    padding: 15px;
    border-radius: 10px;
    border-left: 4px solid var(--secondary-blue);
    text-align: center;
}

.location-budget h4 {
    color: var(--text-dark);
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 0.95rem;
}

.budget-amount {
    font-size: 1.2rem;
    font-weight: bold;
    color: var(--secondary-blue);
}

.budget-chart-container {
    background: white;
    padding: 15px;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    height: 300px;
}

.budget-categories {
    background: var(--background-light);
    padding: 15px;
    border-radius: 15px;
}

.category-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
}

.category-item {
    display: flex;
    align-items: center;
    gap: 10px;
    background: white;
    padding: 15px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}

.category-item:hover {
    transform: translateY(-3px);
}

.category-item.hardware i {
    color: var(--error-red);
}

.category-item.infrastructure i {
    color: #3182ce;
}

.category-item.implementation i {
    color: var(--success-green);
}

.category-item i {
    font-size: 2rem;
}

.category-info h4 {
    color: var(--text-dark);
    margin-bottom: 5px;
}

.category-info span {
    color: var(--text-light);
    font-weight: 600;
}

/* Detailed Budget */
.detailed-budget {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 20px;
    flex: 1;
    overflow: hidden;
}

.budget-section {
    background: var(--background-light);
    padding: 15px;
    border-radius: 12px;
    display: flex;
    flex-direction: column;
}

.budget-section h3 {
    color: var(--text-dark);
    margin-bottom: 12px;
    font-size: 1rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.budget-table {
    display: flex;
    flex-direction: column;
    gap: 6px;
    flex: 1;
    overflow-y: auto;
}

.budget-row {
    display: grid;
    grid-template-columns: 2fr 1fr 0.5fr;
    gap: 10px;
    padding: 8px 0;
    border-bottom: 1px solid #e2e8f0;
    align-items: center;
}

.budget-row:last-child {
    border-bottom: none;
}

.budget-row .item {
    color: var(--text-dark);
    font-weight: 500;
    font-size: 0.85rem;
}

.budget-row .cost {
    color: var(--secondary-blue);
    font-weight: bold;
    text-align: right;
    font-size: 0.85rem;
}

.budget-row .percentage {
    color: var(--text-light);
    text-align: center;
    font-size: 0.75rem;
}

.value-proposition {
    background: linear-gradient(135deg, var(--primary-navy) 0%, var(--secondary-blue) 100%);
    color: white;
    padding: 15px;
    border-radius: 15px;
    text-align: center;
    margin-top: auto;
}

.value-proposition h3 {
    margin-bottom: 12px;
    font-size: 1.1rem;
}

.roi-points {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
}

.roi-item {
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.1);
    padding: 10px;
    border-radius: 8px;
}

.roi-item i {
    font-size: 1rem;
    color: var(--accent-gold);
}

.roi-item span {
    font-size: 0.85rem;
}

/* Horizontal Timeline */
.timeline-horizontal {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 30px;
    position: relative;
    padding: 20px 0;
}

.timeline-horizontal::before {
    content: '';
    position: absolute;
    top: 80px;
    left: 15%;
    right: 15%;
    height: 3px;
    background: linear-gradient(90deg, var(--secondary-blue), var(--accent-teal));
    z-index: 1;
    border-radius: 2px;
}

.timeline-horizontal .timeline-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    position: relative;
    z-index: 2;
}

.timeline-date {
    background: var(--secondary-blue);
    color: white;
    padding: 8px 16px;
    border-radius: 20px;
    font-weight: bold;
    font-size: 0.9rem;
    margin-bottom: 12px;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.timeline-icon {
    background: var(--background-white);
    border: 3px solid var(--secondary-blue);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 12px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.timeline-icon i {
    color: var(--secondary-blue);
    font-size: 1.3rem;
}

.timeline-content h4 {
    color: var(--text-dark);
    margin-bottom: 6px;
    font-size: 1rem;
    font-weight: 600;
}

.timeline-content p {
    color: var(--text-light);
    font-size: 0.85rem;
    line-height: 1.4;
}

/* Project Summary */
.project-summary {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.deliverables-compact h3 {
    color: var(--text-dark);
    margin-bottom: 16px;
    text-align: center;
    font-size: 1.2rem;
}

.deliverables-row {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-bottom: 20px;
}

.deliverable-compact {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 16px;
    background: var(--background-light);
    border-radius: 12px;
    border: 2px solid transparent;
    transition: all 0.3s;
    min-width: 120px;
}

.deliverable-compact:hover {
    border-color: var(--secondary-blue);
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(59, 130, 246, 0.2);
}

.deliverable-compact i {
    font-size: 2rem;
    color: var(--secondary-blue);
    margin-bottom: 8px;
}

.deliverable-compact span {
    color: var(--text-dark);
    font-weight: 600;
    font-size: 0.9rem;
}

.ready-to-start {
    text-align: center;
    background: linear-gradient(135deg, var(--background-light), var(--background-white));
    padding: 20px;
    border-radius: 16px;
    border: 1px solid rgba(59, 130, 246, 0.1);
}

.ready-to-start h3 {
    color: var(--text-dark);
    margin-bottom: 8px;
    font-size: 1.3rem;
    font-weight: 700;
}

.ready-to-start p {
    color: var(--text-medium);
    font-size: 1rem;
    line-height: 1.5;
}

.project-deliverables h3 {
    color: var(--text-dark);
    margin-bottom: 15px;
    text-align: center;
    font-size: 1.2rem;
}

.deliverables-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 15px;
}

.deliverable-item {
    background: var(--background-light);
    padding: 15px;
    border-radius: 15px;
    text-align: center;
    border-left: 5px solid var(--secondary-blue);
    transition: transform 0.3s;
}

.deliverable-item:hover {
    transform: translateY(-3px);
}

.deliverable-item i {
    font-size: 1.5rem;
    color: var(--secondary-blue);
    margin-bottom: 10px;
}

.deliverable-item h4 {
    color: var(--text-dark);
    margin-bottom: 5px;
    font-size: 1rem;
}

.deliverable-item p {
    color: var(--text-light);
    font-size: 0.8rem;
}

.contact-info {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-top: auto;
}

.next-steps {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.next-steps h3 {
    color: var(--text-dark);
    margin-bottom: 20px;
    font-size: 1.3rem;
}

.step-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px;
    background: var(--background-light);
    border-radius: 10px;
    border-left: 5px solid var(--secondary-blue);
}

.step-number {
    background: var(--secondary-blue);
    color: white;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    flex-shrink: 0;
}

.contact-details {
    background: linear-gradient(135deg, var(--primary-navy) 0%, var(--secondary-blue) 100%);
    color: white;
    padding: 25px;
    border-radius: 15px;
}

.contact-details h4 {
    margin-bottom: 20px;
    font-size: 1.2rem;
}

.contact-details p {
    margin: 8px 0;
    display: flex;
    align-items: center;
    gap: 10px;
}

.contact-details i {
    color: var(--accent-gold);
    width: 20px;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .slide {
        padding: 30px 40px;
    }
    
    .slide-content {
        padding: 25px;
        max-height: calc((100vw - 80px) * 9/16);
    }
    
    .slide-header {
        margin-bottom: 20px;
    }
    
    .slide-header h2 {
        font-size: 1.8rem;
    }
    
    .problem-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .solution-architecture {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }
    
    .detection-demo-slide {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .location-comparison {
        grid-template-columns: 1fr;
    }
    
    .budget-layout {
        grid-template-columns: 1fr;
    }
    
    .hardware-grid {
        grid-template-columns: 1fr;
    }
    
    .room-layouts {
        grid-template-columns: 1fr;
    }
    
    .timeline {
        gap: 15px;
    }
}

@media (max-width: 768px) {
    .slide {
        padding: 20px 30px;
    }
    
    .slide-content {
        padding: 15px;
        max-height: calc((100vw - 60px) * 9/16);
    }
    
    .slide-header {
        margin-bottom: 15px;
    }
    
    .slide-header h2 {
        font-size: 1.5rem;
    }
    
    .company-logo h1 {
        font-size: 2rem;
    }
    
    .presentation-title h2 {
        font-size: 1.8rem;
    }
    
    .presentation-title h3 {
        font-size: 1.5rem;
    }
    
    .client-info {
        flex-direction: column;
        gap: 15px;
    }
    
    .solution-architecture {
        grid-template-columns: 1fr;
        gap: 10px;
    }
    
    .benefits-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }
    
    .specs-grid {
        grid-template-columns: 1fr;
    }
    
    .category-row {
        grid-template-columns: 1fr;
    }
    
    .deliverables-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .contact-info {
        grid-template-columns: 1fr;
    }
    
    .roi-points {
        grid-template-columns: 1fr;
    }
    
    .timeline {
        gap: 10px;
        padding-left: 20px;
    }
}

@media (max-width: 480px) {
    .slide {
        padding: 20px;
    }
    
    .slide-content {
        padding: 15px;
        max-height: calc((100vw - 40px) * 9/16);
    }
}

/* Next Steps Section */
.next-steps-section {
    margin-top: 20px;
}

.next-steps-section h3 {
    color: var(--text-dark);
    margin-bottom: 16px;
    text-align: center;
    font-size: 1.2rem;
}

.next-steps {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.step-item {
    display: flex;
    align-items: center;
    gap: 16px;
    background: var(--background-light);
    padding: 12px;
    border-radius: 10px;
    border-left: 4px solid var(--secondary-blue);
}

.step-number {
    background: var(--secondary-blue);
    color: white;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 0.9rem;
    flex-shrink: 0;
}

.step-item span:last-child {
    color: var(--text-medium);
    font-size: 0.9rem;
    line-height: 1.4;
}

/* Contact Slide */
.contact-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    flex: 1;
}

.company-logo-section {
    text-align: center;
    margin-bottom: 24px;
}

.company-logo-section .logo-icon {
    font-size: 3rem;
    color: var(--accent-gold);
    margin-bottom: 16px;
}

.company-logo-section h2 {
    color: var(--text-dark);
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 8px;
}

.company-tagline {
    color: var(--text-light);
    font-size: 1rem;
    font-style: italic;
}

.company-description h3 {
    color: var(--text-dark);
    margin-bottom: 12px;
    font-size: 1.3rem;
}

.company-description p {
    color: var(--text-medium);
    line-height: 1.6;
    margin-bottom: 20px;
}

.expertise-areas {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

.expertise-item {
    display: flex;
    align-items: center;
    gap: 10px;
    background: var(--background-light);
    padding: 10px;
    border-radius: 8px;
}

.expertise-item i {
    color: var(--secondary-blue);
    font-size: 1.2rem;
}

.expertise-item span {
    color: var(--text-medium);
    font-size: 0.9rem;
    font-weight: 500;
}

.contact-details h3 {
    color: var(--text-dark);
    margin-bottom: 20px;
    font-size: 1.3rem;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
    margin-bottom: 24px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 16px;
    background: var(--background-light);
    padding: 16px;
    border-radius: 10px;
}

.contact-icon {
    background: var(--secondary-blue);
    color: white;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.contact-info strong {
    color: var(--text-dark);
    font-size: 0.9rem;
    font-weight: 600;
}

.contact-info span {
    color: var(--text-medium);
    font-size: 0.85rem;
    line-height: 1.4;
}

.cta-section {
    background: linear-gradient(135deg, var(--primary-navy), var(--secondary-blue));
    color: white;
    padding: 20px;
    border-radius: 12px;
    text-align: center;
}

.cta-section h4 {
    margin-bottom: 8px;
    font-size: 1.2rem;
}

.cta-section p {
    margin-bottom: 16px;
    opacity: 0.9;
    font-size: 0.9rem;
}

.cta-buttons {
    display: flex;
    gap: 12px;
    justify-content: center;
}

.btn-primary, .btn-secondary {
    padding: 10px 16px;
    border: none;
    border-radius: 6px;
    font-weight: 600;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    gap: 8px;
}

.btn-primary {
    background: var(--accent-gold);
    color: var(--text-dark);
}

.btn-primary:hover {
    background: #e5890a;
    transform: translateY(-2px);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
}

/* Keyboard Navigation */
body:focus-within .slide-nav {
    outline: 2px solid #667eea;
    outline-offset: 2px;
}

/* Print Styles */
@media print {
    .slide-nav {
        display: none;
    }
    
    .slide {
        position: static;
        opacity: 1;
        transform: none;
        page-break-after: always;
        height: auto;
        min-height: 100vh;
        padding: 40px;
    }
    
    .slide-content {
        height: auto;
        aspect-ratio: 16/9;
        max-height: none;
        box-shadow: none;
        border: 1px solid #ddd;
    }
}