/* CSS Variables */
:root {
    --primary: #1E40AF;
    --primary-light: #3B82F6;
    --secondary: #059669;
    --secondary-light: #10B981;
    --accent: #7C3AED;
    --accent-light: #8B5CF6;
    --background: #F8FAFC;
    --surface: #FFFFFF;
    --text: #1F2937;
    --text-light: #6B7280;
    --text-muted: #9CA3AF;
    --border: #E5E7EB;
    --border-light: #F3F4F6;
    --success: #10B981;
    --warning: #F59E0B;
    --error: #EF4444;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --gradient-primary: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    --gradient-accent: linear-gradient(135deg, var(--accent) 0%, var(--primary) 100%);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Dark Mode Variables */
[data-theme="dark"] {
    --primary: #3B82F6;
    --primary-light: #60A5FA;
    --secondary: #10B981;
    --secondary-light: #34D399;
    --accent: #8B5CF6;
    --accent-light: #A78BFA;
    --background: #0F172A;
    --surface: #1E293B;
    --text: #F1F5F9;
    --text-light: #CBD5E1;
    --text-muted: #94A3B8;
    --border: #334155;
    --border-light: #475569;
    --success: #10B981;
    --warning: #F59E0B;
    --error: #EF4444;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.4);
    --gradient-primary: linear-gradient(135deg, #3B82F6 0%, #10B981 100%);
    --gradient-accent: linear-gradient(135deg, #8B5CF6 0%, #3B82F6 100%);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--background);
    color: var(--text);
    line-height: 1.6;
    font-size: 16px;
    font-weight: 400;
    overflow-x: hidden;
}

/* Navigation */
.slide-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    transition: var(--transition);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo-section {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo {
    width: 50px;
    height: 50px;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    border: 2px solid var(--border);
    transition: var(--transition);
}

.logo:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-lg);
}

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

.company-name {
    display: flex;
    flex-direction: column;
}

.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
    font-size: 1.25rem;
}

.tagline {
    color: var(--text-light);
    font-size: 0.875rem;
    font-weight: 400;
}

.nav-controls {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.nav-btn {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 0.75rem;
    cursor: pointer;
    transition: var(--transition);
    color: var(--text);
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 44px;
    min-height: 44px;
    position: relative;
    overflow: hidden;
    z-index: 10;
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    pointer-events: auto;
}

.nav-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: -1;
}

.nav-btn:hover {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(30, 64, 175, 0.3);
}

.nav-btn:hover::before {
    opacity: 0.1;
}

.nav-btn:active {
    transform: translateY(0);
    box-shadow: 0 4px 15px rgba(30, 64, 175, 0.2);
}

.nav-btn i {
    font-size: 1.2rem;
    transition: transform 0.3s ease;
}

.nav-btn:hover i {
    transform: scale(1.1);
}

/* Glowing animation for navigation buttons */
@keyframes navGlow {
    0%, 100% {
        box-shadow: 0 4px 15px rgba(30, 64, 175, 0.2);
    }
    50% {
        box-shadow: 0 8px 25px rgba(30, 64, 175, 0.4), 0 0 20px rgba(30, 64, 175, 0.2);
    }
}

.nav-btn {
    animation: navGlow 3s ease-in-out infinite;
}

.nav-btn:hover {
    animation: none;
}

/* Theme Toggle Button */
.theme-toggle {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 0.75rem;
    cursor: pointer;
    transition: var(--transition);
    color: var(--text);
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 44px;
    min-height: 44px;
    margin-left: 1rem;
    position: relative;
    overflow: hidden;
}

.theme-toggle::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-accent);
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: -1;
}

.theme-toggle:hover {
    background: var(--accent);
    color: white;
    border-color: var(--accent);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(139, 92, 246, 0.3);
}

.theme-toggle:hover::before {
    opacity: 0.1;
}

.theme-toggle:active {
    transform: translateY(0);
    box-shadow: 0 4px 15px rgba(139, 92, 246, 0.2);
}

.theme-toggle i {
    font-size: 1.2rem;
    transition: transform 0.3s ease;
}

.theme-toggle:hover i {
    transform: rotate(180deg);
}

/* Dark mode specific styles */
[data-theme="dark"] .slide-nav {
    background: rgba(30, 41, 59, 0.95);
    border-bottom: 1px solid var(--border);
}

[data-theme="dark"] .theme-toggle i {
    color: #FBBF24;
}

[data-theme="dark"] .theme-toggle:hover {
    background: #FBBF24;
    color: #1E293B;
    border-color: #FBBF24;
    box-shadow: 0 8px 25px rgba(251, 191, 36, 0.3);
}

.slide-indicators {
    display: flex;
    gap: 0.5rem;
}

.slide-indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--border);
    cursor: pointer;
    transition: var(--transition);
    position: relative;
}

.slide-indicator:hover {
    background: var(--primary-light);
    transform: scale(1.2);
    box-shadow: 0 0 10px rgba(30, 64, 175, 0.3);
}

.slide-indicator.active {
    background: var(--primary);
    transform: scale(1.3);
    box-shadow: 0 0 15px rgba(30, 64, 175, 0.5);
}

/* Slide Container */
.slide-container {
    padding-top: 100px;
    min-height: 100vh;
}

.slide {
    min-height: calc(100vh - 100px);
    display: none;
    opacity: 0;
    transform: translateX(50px);
    transition: var(--transition);
}

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

.slide-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
    width: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

/* Typography */
.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--text);
    margin-bottom: 2rem;
    text-align: center;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.main-title {
    font-size: 3.5rem;
    font-weight: 900;
    color: var(--text);
    margin-bottom: 1rem;
    line-height: 1.2;
    text-align: center;
}

.subtitle {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 0.5rem;
    text-align: center;
}

.hero-tagline {
    font-size: 1.25rem;
    color: var(--text-light);
    text-align: center;
    margin-bottom: 3rem;
}

/* Hero Section */
.hero-section {
    text-align: center;
    margin-bottom: 3rem;
}

.recipient-section {
    margin-top: 2rem;
    padding: 2rem;
    background: var(--surface);
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border);
}

.proposal-for {
    font-size: 1rem;
    color: var(--text-light);
    margin-bottom: 0.5rem;
}

.recipient-name {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 0.25rem;
}

.recipient-title {
    font-size: 1rem;
    color: var(--text-light);
}

/* Executive Summary */
.executive-summary {
    background: var(--gradient-primary);
    color: white;
    padding: 2rem;
    border-radius: 16px;
    box-shadow: var(--shadow-xl);
    margin-bottom: 2rem;
}

.executive-summary h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.summary-content p {
    margin-bottom: 1rem;
    font-size: 1.1rem;
    line-height: 1.7;
}

.summary-content .highlight {
    font-weight: 600;
    font-size: 1.2rem;
}

/* Floating Elements */
.floating-elements {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    z-index: -1;
}

.floating-card {
    position: absolute;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    padding: 1rem 1.5rem;
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
    color: var(--primary);
    animation: float 6s ease-in-out infinite;
    animation-delay: var(--delay);
}

.floating-card:nth-child(1) {
    top: 20%;
    left: 10%;
}

.floating-card:nth-child(2) {
    top: 60%;
    right: 15%;
}

.floating-card:nth-child(3) {
    bottom: 30%;
    left: 20%;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    33% { transform: translateY(-20px) rotate(2deg); }
    66% { transform: translateY(10px) rotate(-1deg); }
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.stat-card {
    background: var(--surface);
    padding: 2rem;
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
}

.stat-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
    color: white;
    font-size: 1.5rem;
}

.stat-content {
    margin-bottom: 1rem;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary);
    display: inline-block;
}

.stat-unit {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-light);
}

.stat-label {
    display: block;
    font-size: 1rem;
    color: var(--text-light);
    margin-top: 0.5rem;
    font-weight: 500;
}

.stat-progress {
    height: 6px;
    background: var(--border-light);
    border-radius: 3px;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background: var(--gradient-primary);
    border-radius: 3px;
    width: 0;
    transition: width 2s ease-out;
}

/* Vision Section */
.vision-section {
    margin-top: 3rem;
}

.vision-section h3 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 2rem;
    text-align: center;
}

.timeline-flow {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.flow-step {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 1.5rem;
    background: var(--surface);
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border);
    transition: var(--transition);
}

.flow-step:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-lg);
}

.step-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.step-content h4 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 0.5rem;
}

.step-content p {
    color: var(--text-light);
    line-height: 1.6;
}

/* Tech Grid */
.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.tech-card {
    background: var(--surface);
    padding: 2rem;
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border);
    transition: var(--transition);
    text-align: center;
}

.tech-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.tech-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: white;
    font-size: 2rem;
}

.tech-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 1rem;
}

.tech-card p {
    color: var(--text-light);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.tech-features {
    display: flex;
    gap: 0.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

.feature-tag {
    background: var(--primary-light);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 500;
}

/* Partnership Highlight */
.partnership-highlight {
    background: var(--gradient-primary);
    padding: 2rem;
    border-radius: 16px;
    box-shadow: var(--shadow-xl);
    margin-top: 2rem;
}

.highlight-content h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
    margin-bottom: 1rem;
}

.highlight-content p {
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.partner-logos {
    display: flex;
    gap: 2rem;
    justify-content: center;
}

.partner-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: white;
    font-weight: 600;
}

.partner-logo i {
    font-size: 1.5rem;
}

/* Impact Grid */
.impact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.impact-card {
    background: var(--surface);
    padding: 2rem;
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border);
    transition: var(--transition);
}

.impact-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

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

.impact-header h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text);
}

.impact-icon {
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.25rem;
}

.impact-metrics {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.metric {
    text-align: center;
    padding: 1rem;
    background: var(--background);
    border-radius: 8px;
}

.metric-value {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 0.25rem;
}

.metric-label {
    font-size: 0.875rem;
    color: var(--text-light);
    font-weight: 500;
}

/* Charts */
.revenue-chart,
.adoption-chart {
    height: 150px;
    margin-top: 1rem;
}

/* Integration Options */
.integration-options {
    margin-top: 3rem;
}

.integration-options h3 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 2rem;
    text-align: center;
}

.option-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.option-card {
    background: var(--surface);
    padding: 2rem;
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border);
    transition: var(--transition);
}

.option-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.option-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
}

.option-header h4 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text);
}

.option-icon {
    width: 40px;
    height: 40px;
    background: var(--gradient-primary);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1rem;
}

.option-card p {
    color: var(--text-light);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.option-features {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.option-features .feature {
    background: var(--primary-light);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 500;
}

/* Timeline */
.timeline {
    position: relative;
    padding-left: 2rem;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 1rem;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--gradient-primary);
}

.timeline-item {
    position: relative;
    margin-bottom: 3rem;
}

.timeline-marker {
    position: absolute;
    left: -2rem;
    top: 0;
}

.marker-dot {
    width: 20px;
    height: 20px;
    background: var(--primary);
    border-radius: 50%;
    border: 4px solid white;
    box-shadow: var(--shadow-md);
}

.marker-line {
    width: 2px;
    height: 100%;
    background: var(--gradient-primary);
    margin: 0 auto;
    margin-top: 20px;
}

.timeline-content {
    background: var(--surface);
    padding: 2rem;
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border);
    margin-left: 2rem;
    transition: var(--transition);
}

.timeline-content:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-xl);
}

.timeline-content h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 1.5rem;
}

.timeline-details {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.detail-item {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.detail-item i {
    width: 30px;
    height: 30px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 0.875rem;
}

.detail-item span {
    color: var(--text-light);
    font-weight: 500;
}

/* Metrics Grid */
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
}

.metric-card {
    background: var(--surface);
    padding: 2rem;
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border);
    transition: var(--transition);
}

.metric-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.metric-header h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 1.5rem;
}

.metric-items {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.metric-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.metric-label {
    font-weight: 600;
    color: var(--text);
    min-width: 120px;
}

.metric-bar {
    flex: 1;
    height: 8px;
    background: var(--border-light);
    border-radius: 4px;
    overflow: hidden;
    position: relative;
}

.bar-fill {
    height: 100%;
    background: var(--gradient-primary);
    border-radius: 4px;
    width: 0;
    transition: width 2s ease-out;
}

.bar-value {
    position: absolute;
    right: -40px;
    top: 50%;
    transform: translateY(-50%);
    font-weight: 700;
    color: var(--primary);
    font-size: 0.875rem;
}

/* Competitive Advantages */
.competitive-advantages {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.advantage-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--background);
    border-radius: 8px;
    transition: var(--transition);
}

.advantage-item:hover {
    background: var(--surface);
    box-shadow: var(--shadow-md);
}

.advantage-icon {
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.advantage-content h4 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 0.25rem;
}

.advantage-content p {
    color: var(--text-light);
    font-size: 0.875rem;
    line-height: 1.5;
}

/* Contact Grid */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.contact-section h3,
.next-steps-section h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 2rem;
}

.contact-items {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background: var(--surface);
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border);
    transition: var(--transition);
}

.contact-item:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-lg);
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.contact-details {
    display: flex;
    flex-direction: column;
}

.contact-label {
    font-size: 0.875rem;
    color: var(--text-light);
    font-weight: 500;
    margin-bottom: 0.25rem;
}

.contact-value {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--primary);
    text-decoration: none;
    transition: var(--transition);
}

.contact-value:hover {
    color: var(--secondary);
}

/* Next Steps */
.steps-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.step-item {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 1.5rem;
    background: var(--surface);
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border);
    transition: var(--transition);
}

.step-item:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-lg);
}

.step-number {
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.25rem;
    font-weight: 700;
    flex-shrink: 0;
}

.step-content h4 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 0.25rem;
}

.step-content p {
    color: var(--text-light);
    font-size: 0.875rem;
    line-height: 1.5;
}

/* CTA Section */
.cta-section {
    text-align: center;
    padding: 3rem;
    background: var(--gradient-primary);
    border-radius: 16px;
    box-shadow: var(--shadow-xl);
    margin-top: 2rem;
}

.cta-section h3 {
    font-size: 2rem;
    font-weight: 700;
    color: white;
    margin-bottom: 1rem;
}

.cta-section p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.125rem;
    margin-bottom: 2rem;
    line-height: 1.6;
}

.cta-button {
    background: white;
    color: var(--primary);
    border: none;
    padding: 1rem 2rem;
    border-radius: 12px;
    font-size: 1.125rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    box-shadow: var(--shadow-lg);
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl);
    background: var(--background);
}

.cta-button:active {
    transform: translateY(-1px);
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-container {
        padding: 1rem;
    }
    
    .slide-content {
        padding: 1rem;
    }
    
    .main-title {
        font-size: 2.5rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .tech-grid {
        grid-template-columns: 1fr;
    }
    
    .impact-grid {
        grid-template-columns: 1fr;
    }
    
    .option-cards {
        grid-template-columns: 1fr;
    }
    
    .metrics-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .timeline {
        padding-left: 1rem;
    }
    
    .timeline::before {
        left: 0.5rem;
    }
    
    .timeline-marker {
        left: -1rem;
    }
    
    .timeline-content {
        margin-left: 1rem;
    }
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* Animation Classes */
.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

.fade-in-left {
    animation: fadeInLeft 0.6s ease-out;
}

.fade-in-right {
    animation: fadeInRight 0.6s ease-out;
}

.scale-in {
    animation: scaleIn 0.6s ease-out;
}

/* Loading States */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus States */
.nav-btn:focus,
.cta-button:focus {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

/* Print Styles */
@media print {
    .slide-nav {
        display: none;
    }
    
    .slide-container {
        padding-top: 0;
    }
    
    .slide {
        min-height: auto;
        page-break-after: always;
    }
    
    .slide:last-child {
        page-break-after: avoid;
    }
}