/* Research Page Styles */

:root {
    --gradient-blue: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-green: linear-gradient(135deg, #10b981 0%, #059669 100%);
    --gradient-purple: linear-gradient(135deg, #8b5cf6 0%, #7c3aed 100%);
    --gradient-orange: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    --gradient-cyan: linear-gradient(135deg, #06b6d4 0%, #0891b2 100%);
    --gradient-pink: linear-gradient(135deg, #ec4899 0%, #db2777 100%);
    --gradient-3: linear-gradient(135deg, #00d4ff, #8b5cf6);

    /* Base theme colors from style.css */
    --bg-color: #0f172a;
    --glass-bg: rgba(15, 23, 42, 0.6);
    --text-color: #cbd5e1;
    --main-text-color: #f8fafc;
    --text-secondary: #94a3b8;
    --border-color: rgba(255, 255, 255, 0.1);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", sans-serif;
    background: var(--bg-color);
    background-image: radial-gradient(circle at 20% 20%, rgba(0, 212, 255, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(124, 58, 237, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 40% 60%, rgba(102, 126, 234, 0.08) 0%, transparent 50%);
    background-attachment: fixed;
    color: var(--text-color);
    margin: 0;
    padding: 0;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 15px;
}

/* Header Styles */
.header {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 20px 30px;
    color: var(--main-text-color);
    border-bottom: 1px solid var(--border-color);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    border-radius: 16px;
}

.header h1 {
    margin: 0;
    font-size: 1.8rem;
    font-weight: 700;
    background: var(--gradient-3);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 30px rgba(0, 212, 255, 0.4);
    text-align: center;
}

.back-link {
    position: absolute;
    left: 30px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--main-text-color);
    text-decoration: none;
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 10px;
    transition: all 0.3s ease;
    padding: 10px 16px;
    border-radius: 10px;
    background: rgba(0, 212, 255, 0.12);
    border: 1px solid rgba(0, 212, 255, 0.2);
}

.back-link:hover {
    background: rgba(0, 212, 255, 0.2);
    transform: translateY(-50%) translateX(-3px);
    box-shadow: 0 4px 12px rgba(0, 212, 255, 0.3);
}

/* Navigation Styles */
.navigation {
    display: flex;
    align-items: center;
    gap: 10px;
    position: absolute;
    right: 30px;
    top: 50%;
    transform: translateY(-50%);
}
.nav-button {
    background: rgba(0, 212, 255, 0.12);
    border: 1px solid rgba(0, 212, 255, 0.2);
    color: var(--main-text-color);
    font-size: 0.9rem;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}
.nav-button:hover:not(:disabled) {
    background: rgba(0, 212, 255, 0.2);
    box-shadow: 0 4px 12px rgba(0, 212, 255, 0.3);
    transform: translateY(-2px);
}
.nav-button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}
.slide-counter {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-color);
    min-width: 50px;
    text-align: center;
}

/* Presentation Container */
.presentation-container {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border-radius: 20px;
    padding: 25px;
    box-shadow: 0 12px 48px rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.1);
    height: calc(100vh - 130px);
    display: flex;
    flex-direction: column;
}

.slides {
    flex-grow: 1;
    position: relative;
    overflow: hidden;
    background: rgba(0, 212, 255, 0.03);
    border-radius: 16px;
    border: 1px solid rgba(0, 212, 255, 0.15);
}

/* Slide Styles */
.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.4s ease-in-out, visibility 0.4s;
    padding: 1rem; 
    overflow-y: auto;
    color: var(--text-color);
    box-sizing: border-box;
}

.slide.active {
    opacity: 1;
    visibility: visible;
    z-index: 1;
}

.slide::-webkit-scrollbar { width: 8px; }
.slide::-webkit-scrollbar-track { background: rgba(0, 0, 0, 0.1); border-radius: 10px; }
.slide::-webkit-scrollbar-thumb { background: rgba(0, 212, 255, 0.5); border-radius: 10px; }
.slide::-webkit-scrollbar-thumb:hover { background: rgba(0, 212, 255, 0.7); }

.scrollable { overflow-y: auto !important; }

/* Slide Title */
.slide-title {
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 1rem;
    background: var(--gradient-3);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Title Page Styles */
.slide-title-page { 
    display: flex; 
    flex-direction: column; 
    align-items: center; 
    justify-content: center; 
    height: 100%; 
    text-align: center; 
    position: relative;
}
.main-title { font-size: 3.8rem; font-weight: 800; margin-bottom: 1rem; background: var(--gradient-3); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; text-shadow: 0 0 40px rgba(0, 212, 255, 0.5); }
.subtitle { font-size: 1.8rem; font-weight: 600; margin-bottom: 2rem; color: var(--text-secondary); }
.intro-text { font-size: 1.2rem; margin-bottom: 1rem; color: var(--text-color); }
.title-list { list-style: none; padding: 0; font-size: 1.1rem; text-align: left; display: inline-block; }
.title-list li { margin: 0.8rem 0; display: flex; align-items: center; gap: 12px; }
.title-list i { color: #00d4ff; font-size: 1rem; }

.source-note {
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80%;
    max-width: 800px;
    padding-top: 1rem;
    margin-bottom: 1rem;
    border-top: 1px solid var(--border-color);
    text-align: center;
}
.source-note p {
    margin: 0;
    font-size: 0.9rem;
    line-height: 1.6;
    color: var(--text-secondary);
    opacity: 0.9;
}
.source-note a {
    color: #00d4ff;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}
.source-note a:hover {
    color: #8b5cf6;
    text-decoration: underline;
}

/* Stats Grid */
.stats-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem; margin-top: 1.5rem; }
.stat-card { padding: 1.5rem; border-radius: 16px; text-align: center; backdrop-filter: blur(10px); border: 1px solid rgba(255, 255, 255, 0.1); transition: transform 0.3s ease, box-shadow 0.3s ease; }
.stat-card:hover { transform: translateY(-5px); box-shadow: 0 12px 24px rgba(0, 0, 0, 0.3); }
.stat-value { font-size: 2.2rem; font-weight: 800; margin-bottom: 0.5rem; }
.stat-label { font-size: 0.9rem; opacity: 0.9; }
.stat-green { background: linear-gradient(135deg, rgba(16, 185, 129, 0.2), rgba(5, 150, 105, 0.2)); }
.stat-purple { background: linear-gradient(135deg, rgba(139, 92, 246, 0.2), rgba(124, 58, 237, 0.2)); }
.stat-orange { background: linear-gradient(135deg, rgba(245, 158, 11, 0.2), rgba(217, 119, 6, 0.2)); }
.stat-cyan { background: linear-gradient(135deg, rgba(6, 182, 212, 0.2), rgba(8, 145, 178, 0.2)); }

/* Boxes and Cards */
.highlight-box, .definition-box { background: rgba(0, 212, 255, 0.08); border-left: 4px solid #00d4ff; padding: 1.2rem; border-radius: 12px; margin-bottom: 1.5rem; }
.highlight-box h3, .definition-box h3 { display: flex; align-items: center; gap: 10px; font-size: 1.3rem; margin-top: 0; margin-bottom: 0.8rem; color: #00d4ff; }
.highlight-box p, .definition-box p { font-size: 1rem; line-height: 1.6; margin: 0; }

/* (Остальные стили остаются без изменений...) */
.two-column-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem; margin-top: 1rem; }
.info-card { padding: 1.2rem; border-radius: 12px; backdrop-filter: blur(10px); border: 1px solid rgba(255, 255, 255, 0.1); transition: transform 0.3s ease; }
.info-card:hover { transform: translateY(-3px); }
.info-card h4 { display: flex; align-items: center; gap: 8px; font-size: 1.1rem; margin-top: 0; margin-bottom: 0.8rem; }
.card-blue { background: linear-gradient(135deg, rgba(59, 130, 246, 0.15), rgba(37, 99, 235, 0.15)); }
.card-green { background: linear-gradient(135deg, rgba(16, 185, 129, 0.15), rgba(5, 150, 105, 0.15)); }
.card-purple { background: linear-gradient(135deg, rgba(139, 92, 246, 0.15), rgba(124, 58, 237, 0.15)); }
.card-orange { background: linear-gradient(135deg, rgba(245, 158, 11, 0.15), rgba(217, 119, 6, 0.15)); }
.card-cyan { background: linear-gradient(135deg, rgba(6, 182, 212, 0.15), rgba(8, 145, 178, 0.15)); }
.card-pink { background: linear-gradient(135deg, rgba(236, 72, 153, 0.15), rgba(219, 39, 119, 0.15)); }
.card-indigo { background: linear-gradient(135deg, rgba(99, 102, 241, 0.15), rgba(79, 70, 229, 0.15)); }
.card-teal { background: linear-gradient(135deg, rgba(20, 184, 166, 0.15), rgba(13, 148, 136, 0.15)); }
.card-emerald { background: linear-gradient(135deg, rgba(16, 185, 129, 0.15), rgba(5, 150, 105, 0.15)); }
.feature-list, .compact-list { list-style: none; padding: 0; margin: 0; }
.feature-list li, .compact-list li { padding: 0.4rem 0; padding-left: 1.5rem; position: relative; font-size: 0.95rem; }
.feature-list li:before, .compact-list li:before { content: "→"; position: absolute; left: 0; color: #00d4ff; font-weight: bold; }
.chart-container { height: 380px; margin: 1.5rem 0; padding: 1rem; background: rgba(0, 0, 0, 0.2); border-radius: 12px; border: 1px solid rgba(255, 255, 255, 0.1); }
.chart-container-small { height: 380px; padding: 1rem; background: rgba(0, 0, 0, 0.2); border-radius: 12px; border: 1px solid rgba(255, 255, 255, 0.1); }
.forecast-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; margin-top: 1.5rem; }
.forecast-card { padding: 1.2rem; border-radius: 12px; text-align: center; backdrop-filter: blur(10px); border: 1px solid rgba(255, 255, 255, 0.1); transition: transform 0.3s ease; }
.forecast-card:hover { transform: scale(1.05); }
.forecast-year { font-size: 0.9rem; font-weight: 600; opacity: 0.9; margin-bottom: 0.5rem; }
.forecast-value { font-size: 2.2rem; font-weight: 800; margin-bottom: 0.8rem; }
.forecast-card p { font-size: 0.85rem; line-height: 1.5; margin: 0; }
.split-content { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; align-items: start; }
.application-details, .regional-details, .tech-details { display: flex; flex-direction: column; gap: 1rem; }
.app-card, .region-card, .tech-card { padding: 1rem; border-radius: 10px; backdrop-filter: blur(10px); border: 1px solid rgba(255, 255, 255, 0.1); }
.app-card h4, .region-card h4, .tech-card h4 { display: flex; align-items: center; gap: 8px; font-size: 1.1rem; margin-top: 0; margin-bottom: 0.5rem; }
.app-card p, .region-card p, .tech-card p { font-size: 0.9rem; line-height: 1.5; margin: 0; }
.tech-cost { margin-top: 0.5rem; padding: 0.5rem; background: rgba(0, 0, 0, 0.2); border-radius: 6px; font-size: 0.85rem; font-weight: 600; }
.region-china { background: linear-gradient(135deg, rgba(239, 68, 68, 0.15), rgba(220, 38, 38, 0.15)); }
.region-europe { background: linear-gradient(135deg, rgba(59, 130, 246, 0.15), rgba(37, 99, 235, 0.15)); }
.region-america { background: linear-gradient(135deg, rgba(139, 92, 246, 0.15), rgba(124, 58, 237, 0.15)); }
.region-middle { background: linear-gradient(135deg, rgba(245, 158, 11, 0.15), rgba(217, 119, 6, 0.15)); }
.tech-cyan { background: linear-gradient(135deg, rgba(6, 182, 212, 0.15), rgba(8, 145, 178, 0.15)); }
.tech-purple { background: linear-gradient(135deg, rgba(139, 92, 246, 0.15), rgba(124, 58, 237, 0.15)); }
.tech-orange { background: linear-gradient(135deg, rgba(249, 115, 22, 0.15), rgba(234, 88, 12, 0.15)); }
.drivers-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem; margin-top: 1.5rem; }
.driver-card { padding: 1.2rem; border-radius: 12px; backdrop-filter: blur(10px); border: 1px solid rgba(255, 255, 255, 0.1); transition: transform 0.3s ease, box-shadow 0.3s ease; }
.driver-card:hover { transform: translateY(-5px); box-shadow: 0 12px 24px rgba(0, 0, 0, 0.3); }
.driver-icon { font-size: 1.8rem; margin-bottom: 0.8rem; opacity: 0.9; }
.driver-card h4 { font-size: 1.1rem; margin-top: 0; margin-bottom: 0.5rem; }
.driver-card p { font-size: 0.9rem; line-height: 1.6; margin: 0; }
.driver-green { background: linear-gradient(135deg, rgba(16, 185, 129, 0.15), rgba(5, 150, 105, 0.15)); }
.driver-blue { background: linear-gradient(135deg, rgba(59, 130, 246, 0.15), rgba(37, 99, 235, 0.15)); }
.driver-purple { background: linear-gradient(135deg, rgba(139, 92, 246, 0.15), rgba(124, 58, 237, 0.15)); }
.restraint-main { margin-bottom: 1.5rem; }
.restraint-card { padding: 1.2rem; border-radius: 16px; border: 1px solid rgba(255, 255, 255, 0.1); }
.restraint-red { background: linear-gradient(135deg, rgba(239, 68, 68, 0.15), rgba(220, 38, 38, 0.15)); border-left: 4px solid #ef4444; }
.restraint-icon { font-size: 1.8rem; margin-bottom: 0.8rem; color: #ef4444; }
.restraint-card h4 { font-size: 1.2rem; margin: 0 0 0.8rem 0; }
.restraint-card p { font-size: 0.95rem; line-height: 1.6; margin: 0; }
.cost-note { margin-top: 1rem; padding: 0.5rem; background: rgba(0,0,0,0.2); border-radius: 6px; font-size: 0.85rem; font-style: italic; }
.restraints-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
.restraint-card-small { padding: 1.2rem; border-radius: 12px; border: 1px solid rgba(255, 255, 255, 0.1); }
.restraint-card-small h5 { font-size: 1.1rem; margin: 0 0 0.5rem 0; display: flex; align-items: center; gap: 8px; }
.restraint-card-small p { font-size: 0.9rem; line-height: 1.5; margin: 0; }
.restraint-orange { background: linear-gradient(135deg, rgba(249, 115, 22, 0.15), rgba(234, 88, 12, 0.15)); }
.restraint-yellow { background: linear-gradient(135deg, rgba(234, 179, 8, 0.15), rgba(202, 138, 4, 0.15)); }
.restraint-amber { background: linear-gradient(135deg, rgba(245, 158, 11, 0.15), rgba(217, 119, 6, 0.15)); }
.restraint-rose { background: linear-gradient(135deg, rgba(244, 63, 94, 0.15), rgba(225, 29, 72, 0.15)); }
.capacity-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; margin-top: 1.5rem; text-align: center; }
.capacity-card { padding: 1.2rem; border-radius: 12px; border: 1px solid rgba(255,255,255,0.1); }
.capacity-label { font-size: 0.9rem; font-weight: 600; margin-bottom: 0.5rem; opacity: 0.9; }
.capacity-value { font-size: 2.2rem; font-weight: 800; margin-bottom: 0.8rem; }
.capacity-card p { font-size: 0.85rem; line-height: 1.5; margin: 0; }
.players-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
.player-card { padding: 1.2rem; border-radius: 12px; border: 1px solid rgba(255, 255, 255, 0.1); }
.player-card h4 { font-size: 1.1rem; margin: 0 0 0.5rem 0; display: flex; justify-content: space-between; align-items: center; }
.player-card p { font-size: 0.9rem; line-height: 1.6; margin: 0; }
.country-badge { font-size: 0.75rem; font-weight: 500; padding: 0.2rem 0.6rem; border-radius: 6px; background: rgba(0,0,0,0.3); }
.player-blue { background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(37, 99, 235, 0.1)); }
.player-purple { background: linear-gradient(135deg, rgba(139, 92, 246, 0.1), rgba(124, 58, 237, 0.1)); }
.player-green { background: linear-gradient(135deg, rgba(16, 185, 129, 0.1), rgba(5, 150, 105, 0.1)); }
.player-orange { background: linear-gradient(135deg, rgba(245, 158, 11, 0.1), rgba(217, 119, 6, 0.1)); }
.player-cyan { background: linear-gradient(135deg, rgba(6, 182, 212, 0.1), rgba(8, 145, 178, 0.1)); }
.player-pink { background: linear-gradient(135deg, rgba(236, 72, 153, 0.1), rgba(219, 39, 119, 0.1)); }
.player-indigo { background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(79, 70, 229, 0.1)); }
.player-teal { background: linear-gradient(135deg, rgba(20, 184, 166, 0.1), rgba(13, 148, 136, 0.1)); }
.project-featured { margin-bottom: 1.5rem; }
.project-card-large { padding: 1.5rem; border-radius: 16px; border: 1px solid rgba(255,255,255,0.1); }
.project-purple { background: linear-gradient(135deg, rgba(139, 92, 246, 0.2), rgba(124, 58, 237, 0.2)); }
.project-red { background: linear-gradient(135deg, rgba(239, 68, 68, 0.15), rgba(220, 38, 38, 0.15)); }
.project-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1rem; }
.project-header h3 { font-size: 1.4rem; margin: 0; }
.project-badge { font-size: 0.8rem; font-weight: 600; padding: 0.3rem 0.8rem; border-radius: 8px; background: rgba(0,0,0,0.3); }
.project-card-large p { font-size: 0.95rem; line-height: 1.6; margin: 0 0 1rem 0; }
.project-stats { display: flex; gap: 1.5rem; font-size: 0.9rem; font-weight: 600; }
.project-stats span { display: flex; align-items: center; gap: 8px; }
.projects-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; }
.project-card { padding: 1.2rem; border-radius: 12px; border: 1px solid rgba(255,255,255,0.1); }
.project-header-small { display: flex; justify-content: space-between; align-items: center; margin-bottom: 0.8rem; }
.project-header-small h4 { font-size: 1rem; margin: 0; }
.project-badge-small { font-size: 0.7rem; font-weight: 500; padding: 0.2rem 0.5rem; border-radius: 5px; background: rgba(0,0,0,0.3); }
.project-card p { font-size: 0.85rem; line-height: 1.5; margin: 0 0 0.8rem 0; }
.project-meta { font-size: 0.8rem; font-weight: 600; opacity: 0.8; }
.forecast-intro p { font-size: 1.1rem; text-align: center; margin: 0 auto 1.5rem auto; max-width: 80%; }
.forecast-cards-large { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; margin-bottom: 1.5rem; }
.forecast-card-large { padding: 1.2rem; border-radius: 12px; text-align: center; border: 1px solid rgba(255,255,255,0.1); }
.forecast-year-large { font-size: 1rem; font-weight: 600; margin-bottom: 0.5rem; opacity: 0.9; }
.forecast-value-large { font-size: 2.5rem; font-weight: 800; margin-bottom: 1rem; }
.forecast-card-large p { font-size: 0.9rem; line-height: 1.5; margin: 0; }
.assumptions-box { padding: 1.2rem; background: rgba(0,0,0,0.2); border-radius: 12px; }
.assumptions-box h4 { margin: 0 0 1rem 0; font-size: 1.1rem; display: flex; align-items: center; gap: 8px; }
.assumptions-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; }
.assumptions-grid ul { list-style-type: '✓'; margin: 0; padding-left: 20px; font-size: 0.85rem; line-height: 1.6; }
.conclusion-main { margin-bottom: 1.5rem; }
.conclusion-card { padding: 1.2rem; border-radius: 16px; border-left: 4px solid; }
.conclusion-blue { border-color: #3b82f6; background: linear-gradient(135deg, rgba(59, 130, 246, 0.15), rgba(37, 99, 235, 0.15)); }
.conclusion-card h3 { display: flex; align-items: center; gap: 10px; margin: 0 0 0.8rem 0; font-size: 1.3rem; }
.conclusion-card p { font-size: 0.95rem; line-height: 1.6; margin: 0; }
.conclusion-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem; margin-bottom: 1.5rem; }
.conclusion-section { padding: 1.2rem; border-radius: 12px; }
.conclusion-green { background: linear-gradient(135deg, rgba(16, 185, 129, 0.15), rgba(5, 150, 105, 0.15)); }
.conclusion-orange { background: linear-gradient(135deg, rgba(249, 115, 22, 0.15), rgba(234, 88, 12, 0.15)); }
.conclusion-section h4 { display: flex; align-items: center; gap: 10px; margin: 0 0 1rem 0; font-size: 1.2rem; }
.conclusion-list { list-style: none; padding: 0; margin: 0; }
.conclusion-list li { padding-left: 1.5rem; position: relative; margin-bottom: 0.5rem; font-size: 0.9rem; }
.conclusion-list li::before { content: '✓'; position: absolute; left: 0; color: #00d4ff; }
.strategic-box { padding: 1.2rem; background: rgba(0,0,0,0.2); border-radius: 12px; }
.strategic-box h4 { display: flex; align-items: center; gap: 10px; margin: 0 0 0.8rem 0; font-size: 1.2rem; }
.strategic-box p { font-size: 0.95rem; line-height: 1.6; margin: 0; }
.references-section { margin-bottom: 1.5rem; }
.references-section h4 { display: flex; align-items: center; gap: 10px; font-size: 1.2rem; margin-bottom: 1rem; border-bottom: 1px solid var(--border-color); padding-bottom: 0.5rem; }
.references-list { list-style-type: none; padding: 0; }
.references-list li { margin-bottom: 0.8rem; line-height: 1.5; font-size: 0.9rem; }
.references-list a { color: #00d4ff; text-decoration: none; transition: color 0.3s; }
.references-list a:hover { color: #8b5cf6; text-decoration: underline; }
.references-note { margin-top: 1.5rem; padding: 1.2rem; background: rgba(0, 212, 255, 0.08); border-left: 4px solid #00d4ff; border-radius: 12px; }
.references-note p { margin: 0; font-size: 0.9rem; }

/* ========================================= */
/*      Mobile Responsive Styles           */
/* ========================================= */
@media (max-width: 768px) {
    .container { padding: 10px; }
    .header { padding: 20px 15px; }
    .header h1 { font-size: 1.2rem; }
    .back-link { left: 15px; padding: 8px; gap: 0; }
    .back-link-text { display: none; }
    .navigation { right: 15px; gap: 5px; }
    .nav-button { width: 36px; height: 36px; font-size: 0.8rem; }
    .slide-counter { min-width: 40px; font-size: 0.9rem; }
    .presentation-container { padding: 10px; height: calc(100vh - 100px); }
    .slide { padding: 1.2rem; }
    .slide-title { font-size: 1.8rem; margin-bottom: 1.5rem; }
    .main-title { font-size: 1.5rem; }
    .subtitle { font-size: 1.2rem; }
    .intro-text { font-size: 1.1rem; }
    .source-note p { font-size: 0.8rem; }
    .source-note { width: 90%; margin-bottom: 0.5rem; }
    .stats-grid, .two-column-grid, .drivers-grid, .restraints-grid,
    .players-grid, .projects-grid, .conclusion-grid, .assumptions-grid,
    .split-content, .capacity-cards { grid-template-columns: 1fr; }
    .forecast-cards, .forecast-cards-large { grid-template-columns: 1fr; gap: 0.5rem; }
    .stat-card { padding: 1rem; }
    .stat-value { font-size: 1rem; }
    .chart-container, .chart-container-small { height: 300px; }
    #print-button { margin-right: 5px !important; display: none; }
}

/* ========================================= */
/*      Print/PDF Export Styles            */
/* ========================================= */
body.print-view .header { display: none; }
body.print-view .presentation-container {
    height: auto; padding: 0; box-shadow: none;
    border: none; backdrop-filter: none; background: none;
}
body.print-view .slides { border: none; }
body.print-view .slide {
    display: block; position: relative; opacity: 1;
    visibility: visible; height: auto;
}

@media print {
    @page {
        size: landscape;
    }
    body { background: none; }
    .container, .presentation-container {
        padding: 0; margin: 0; max-width: 100%;
    }
    .source-note {
        position: relative;
        bottom: auto;
        left: auto;
        transform: none;
        margin-top: 4rem;
        width: 100%;
        border-color: #666;
    }
    .slide {
        page-break-after: always;
        min-height: 98vh;
        display: flex;
        flex-direction: column;
        justify-content: center;
        -webkit-print-color-adjust: exact !important;
        print-color-adjust: exact !important;
    }
    .slide:last-child { page-break-after: auto; }
    .chart-container, .chart-container-small {
        height: 40vh;
        max-height: 400px;
    }
    canvas {
        max-width: 100% !important;
        height: auto !important;
    }
    .stat-card, .info-card, .driver-card, .chart-container, .chart-container-small {
        page-break-inside: avoid;
    }
}

#print-button {
    margin-right: 15px;
}