/* 
 * Schwarz Plastic Solutions - Presentation Styles
 * Brand Colors from plasticsolutions.de:
 * - Primary Dark: #1a1a2e (Dark Navy)
 * - Primary Blue: #0066b3 (Corporate Blue)
 * - Accent: #00a0e3 (Light Blue)
 * - Text Dark: #333333
 * - Background: #f5f5f5
 * - White: #ffffff
 */

:root {
    --color-primary-dark: #1a1a2e;
    --color-primary-blue: #0066b3;
    --color-accent: #00a0e3;
    --color-text: #333333;
    --color-text-light: #666666;
    --color-background: #f5f5f5;
    --color-white: #ffffff;
    --color-success: #28a745;
    --color-warning: #ffc107;
    --color-danger: #dc3545;
    --color-info: #17a2b8;
    
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --transition-speed: 0.3s;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html, body {
    height: 100%;
    font-family: var(--font-family);
    background: var(--color-primary-dark);
    color: var(--color-text);
    overflow: hidden;
}

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 60px;
    background: var(--color-white);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 30px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    z-index: 100;
}

.nav-logo img {
    height: 35px;
    width: auto;
}

.nav-controls {
    display: flex;
    align-items: center;
    gap: 15px;
}

.nav-btn {
    width: 40px;
    height: 40px;
    border: 2px solid var(--color-primary-blue);
    background: transparent;
    color: var(--color-primary-blue);
    border-radius: 8px;
    font-size: 18px;
    cursor: pointer;
    transition: all var(--transition-speed);
}

.nav-btn:hover {
    background: var(--color-primary-blue);
    color: var(--color-white);
}

.slide-counter {
    font-size: 14px;
    color: var(--color-text-light);
    min-width: 60px;
    text-align: center;
}

/* Presentation Container */
.presentation {
    height: 100vh;
    padding-top: 60px;
}

.slides-container {
    height: calc(100vh - 60px);
    position: relative;
    overflow: hidden;
}

/* Slides */
.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--color-white);
    display: flex;
    flex-direction: column;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.slide.active {
    opacity: 1;
    visibility: visible;
}

.slide-content {
    flex: 1;
    padding: 50px 80px;
    overflow-y: auto;
}

.slide-footer {
    padding: 15px 80px;
    background: var(--color-background);
    display: flex;
    justify-content: space-between;
    font-size: 11px;
    color: var(--color-text-light);
}

/* Title Slide */
.title-slide {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: linear-gradient(135deg, var(--color-primary-dark) 0%, #2d2d5a 100%);
    color: var(--color-white);
}

.title-badge {
    background: var(--color-primary-blue);
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 14px;
    margin-bottom: 40px;
    font-weight: 500;
}

.title-slide h1 {
    font-size: 56px;
    font-weight: 700;
    margin-bottom: 50px;
}

.client-info {
    margin-bottom: 40px;
}

.client-logo {
    width: 200px;
    height: 80px;
    background: var(--color-white);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 15px;
}

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

.client-name {
    font-size: 24px;
    font-weight: 500;
}

.date-info {
    font-size: 18px;
    opacity: 0.8;
}

/* Headings */
h2 {
    font-size: 36px;
    color: var(--color-primary-dark);
    margin-bottom: 30px;
    font-weight: 600;
}

h3.subtitle {
    font-size: 18px;
    color: var(--color-text-light);
    font-weight: 400;
    margin-top: -20px;
    margin-bottom: 30px;
}

/* Table of Contents */
.toc-grid {
    display: grid;
    gap: 25px;
}

.toc-item {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    gap: 15px;
    padding: 15px 0;
    border-bottom: 1px solid #eee;
}

.toc-number {
    font-size: 24px;
    font-weight: 700;
    color: var(--color-primary-blue);
    min-width: 40px;
}

.toc-text {
    font-size: 20px;
    font-weight: 500;
}

.toc-sub {
    width: 100%;
    margin-left: 55px;
    margin-top: 10px;
    font-size: 14px;
    color: var(--color-text-light);
}

.toc-sub li {
    margin-bottom: 5px;
}

/* Summary Cards */
.summary-intro {
    font-size: 18px;
    color: var(--color-text-light);
    margin-bottom: 40px;
    padding: 20px;
    background: var(--color-background);
    border-radius: 10px;
    border-left: 4px solid var(--color-primary-blue);
}

.summary-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

.summary-card {
    padding: 30px;
    border-radius: 15px;
    background: var(--color-white);
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
}

.summary-card.positive {
    border-top: 4px solid var(--color-success);
}

.summary-card.negative {
    border-top: 4px solid var(--color-danger);
}

.card-icon {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    margin-bottom: 15px;
}

.summary-card.positive .card-icon {
    background: rgba(40, 167, 69, 0.1);
    color: var(--color-success);
}

.summary-card.negative .card-icon {
    background: rgba(220, 53, 69, 0.1);
    color: var(--color-danger);
}

.summary-card h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: var(--color-primary-dark);
}

.summary-card ul {
    list-style: none;
}

.summary-card li {
    padding: 8px 0;
    padding-left: 25px;
    position: relative;
    font-size: 15px;
}

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

/* Metrics Table */
.metrics-table {
    background: var(--color-white);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
}

.metric-row {
    display: grid;
    grid-template-columns: 1fr 150px 150px;
    padding: 18px 25px;
    border-bottom: 1px solid #eee;
    align-items: center;
}

.metric-row.header {
    background: var(--color-primary-dark);
    color: var(--color-white);
    font-weight: 600;
}

.metric-row.highlight {
    background: var(--color-background);
    font-weight: 600;
}

.metric-row .value {
    font-weight: 600;
    font-size: 18px;
    color: var(--color-primary-dark);
}

.rating {
    letter-spacing: 2px;
}

.rating.high { color: var(--color-success); }
.rating.medium { color: var(--color-warning); }
.rating.low { color: var(--color-danger); }

/* Criteria Grid */
.criteria-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
}

.criteria-grid .criteria-card:nth-child(4),
.criteria-grid .criteria-card:nth-child(5) {
    grid-column: span 1;
}

.criteria-card {
    background: var(--color-white);
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    text-align: center;
    transition: transform var(--transition-speed);
}

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

.criteria-icon {
    font-size: 40px;
    margin-bottom: 15px;
}

.criteria-card h3 {
    font-size: 18px;
    color: var(--color-primary-dark);
    margin-bottom: 10px;
}

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

/* Tech Grid */
.tech-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 25px;
}

.tech-card {
    background: var(--color-white);
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
}

.tech-card h4 {
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-text-light);
    margin-bottom: 15px;
}

.tech-value {
    font-size: 24px;
    font-weight: 600;
    color: var(--color-primary-dark);
}

.tech-note {
    font-size: 13px;
    color: var(--color-text-light);
    margin-top: 5px;
}

.tech-status {
    font-size: 18px;
    font-weight: 500;
    color: var(--color-primary-blue);
}

.tech-card ul {
    list-style: none;
}

.tech-card li {
    padding: 5px 0;
    font-size: 15px;
}

/* Speed Cards */
.speed-comparison {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

.speed-card {
    background: var(--color-white);
    padding: 40px;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    text-align: center;
}

.speed-card h3 {
    font-size: 20px;
    color: var(--color-primary-dark);
    margin-bottom: 20px;
}

.speed-score {
    font-size: 72px;
    font-weight: 700;
    margin-bottom: 10px;
}

.speed-score.good { color: var(--color-success); }
.speed-score.medium { color: var(--color-warning); }
.speed-score.bad { color: var(--color-danger); }

.speed-label {
    font-size: 14px;
    color: var(--color-text-light);
    margin-bottom: 30px;
}

.speed-details {
    text-align: left;
    border-top: 1px solid #eee;
    padding-top: 20px;
}

.detail-item {
    display: flex;
    justify-content: space-between;
    padding: 10px 0;
    font-size: 14px;
}

/* Problems List */
.problems-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.problem-item {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 20px 25px;
    background: var(--color-white);
    border-radius: 10px;
    box-shadow: 0 3px 10px rgba(0,0,0,0.05);
    border-left: 4px solid;
}

.problem-item.critical { border-left-color: var(--color-danger); }
.problem-item.warning { border-left-color: var(--color-warning); }
.problem-item.info { border-left-color: var(--color-info); }

.problem-count {
    font-size: 24px;
    font-weight: 700;
    min-width: 60px;
    text-align: center;
}

.problem-item.critical .problem-count { color: var(--color-danger); }
.problem-item.warning .problem-count { color: var(--color-warning); }
.problem-item.info .problem-count { color: var(--color-info); }

.problem-text {
    font-size: 15px;
}

/* Keyword Section */
.keyword-intro {
    font-size: 18px;
    margin-bottom: 30px;
    padding: 20px;
    background: var(--color-background);
    border-radius: 10px;
}

.keyword-factors {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 40px;
}

.factor-card {
    background: var(--color-primary-blue);
    color: var(--color-white);
    padding: 25px;
    border-radius: 10px;
    text-align: center;
}

.factor-card h4 {
    font-size: 16px;
    margin-bottom: 5px;
}

.factor-card p {
    font-size: 13px;
    opacity: 0.8;
}

.keyword-criteria {
    background: var(--color-white);
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
}

.keyword-criteria h3 {
    font-size: 18px;
    margin-bottom: 20px;
    color: var(--color-primary-dark);
}

.keyword-criteria ol {
    padding-left: 25px;
}

.keyword-criteria li {
    padding: 8px 0;
    font-size: 15px;
}

/* Ranking Table */
.ranking-table {
    background: var(--color-white);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
}

.ranking-row {
    display: grid;
    grid-template-columns: 2fr 100px 120px 80px;
    padding: 18px 25px;
    border-bottom: 1px solid #eee;
    align-items: center;
}

.ranking-row.header {
    background: var(--color-primary-dark);
    color: var(--color-white);
    font-weight: 600;
}

.position {
    font-weight: 700;
    font-size: 18px;
}

.position.good { color: var(--color-success); }
.position.medium { color: var(--color-warning); }
.position.low { color: var(--color-danger); }

.trend {
    font-size: 24px;
    font-weight: 700;
}

.trend.up { color: var(--color-success); }
.trend.stable { color: var(--color-text-light); }
.trend.down { color: var(--color-danger); }

/* Steps Timeline */
.steps-timeline {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.step-item {
    display: flex;
    align-items: flex-start;
    gap: 25px;
    padding: 25px;
    background: var(--color-white);
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    transition: transform var(--transition-speed);
}

.step-item:hover {
    transform: translateX(10px);
}

.step-item.optional {
    opacity: 0.7;
    border: 2px dashed #ddd;
    box-shadow: none;
}

.step-number {
    width: 50px;
    height: 50px;
    background: var(--color-primary-blue);
    color: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 700;
    flex-shrink: 0;
}

.step-item.optional .step-number {
    background: var(--color-text-light);
}

.step-content h4 {
    font-size: 18px;
    color: var(--color-primary-dark);
    margin-bottom: 5px;
}

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

/* Contact Slide */
.contact-slide {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: linear-gradient(135deg, var(--color-primary-dark) 0%, #2d2d5a 100%);
    color: var(--color-white);
}

.contact-slide h2 {
    color: var(--color-white);
}

.contact-card {
    background: var(--color-white);
    padding: 50px 80px;
    border-radius: 20px;
    color: var(--color-text);
}

.contact-logo {
    height: 50px;
    margin-bottom: 30px;
}

.contact-details {
    text-align: center;
}

.contact-name {
    font-size: 24px;
    font-weight: 600;
    color: var(--color-primary-dark);
    margin-bottom: 20px;
}

.contact-email, .contact-phone, .contact-web {
    font-size: 18px;
    margin-bottom: 10px;
}

.contact-email a, .contact-web a {
    color: var(--color-primary-blue);
    text-decoration: none;
}

.contact-email a:hover, .contact-web a:hover {
    text-decoration: underline;
}

.contact-footer {
    margin-top: 40px;
    font-size: 14px;
    opacity: 0.8;
}

.contact-footer p {
    margin-bottom: 5px;
}

/* Keyboard Hint */
.keyboard-hint {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0,0,0,0.7);
    color: white;
    padding: 10px 20px;
    border-radius: 20px;
    font-size: 12px;
    opacity: 0;
    transition: opacity 0.3s;
    pointer-events: none;
}

body:hover .keyboard-hint {
    opacity: 1;
}

/* Responsive */
@media (max-width: 1200px) {
    .slide-content {
        padding: 40px 50px;
    }
    
    .summary-grid,
    .speed-comparison {
        grid-template-columns: 1fr;
    }
    
    .criteria-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .keyword-factors {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav {
        padding: 0 15px;
    }
    
    .slide-content {
        padding: 30px 20px;
    }
    
    .slide-footer {
        padding: 10px 20px;
        flex-direction: column;
        gap: 5px;
        text-align: center;
    }
    
    h2 {
        font-size: 28px;
    }
    
    .title-slide h1 {
        font-size: 36px;
    }
    
    .criteria-grid,
    .tech-grid {
        grid-template-columns: 1fr;
    }
    
    .keyword-factors {
        grid-template-columns: 1fr;
    }
    
    .metric-row,
    .ranking-row {
        grid-template-columns: 1fr 80px 80px;
        font-size: 13px;
    }
}

/* Print Styles */
@media print {
    .nav,
    .keyboard-hint {
        display: none;
    }
    
    .slide {
        position: relative;
        page-break-after: always;
        opacity: 1;
        visibility: visible;
    }
    
    .presentation {
        padding-top: 0;
    }
}