:root {
    /* Kleuren gebaseerd op het Pulse logo met mint groen accenten */
    --bg-dark: #1a2332;
    --bg-darker: #2a3441;
    --bg-gradient: linear-gradient(135deg, #1a2332 0%, #2a3441 50%, #3a4a5f 100%);
    --accent-cyan: #00d4ff;
    --accent-blue: #4a90e2;
    --accent-cyan: #00d4ff;
    --accent-mint: #4fd1c7;
    --accent-teal: #38b2ac;
    --accent-light: #e6fffa;
    --accent-mint-light: #b2f5ea;
    --text-primary: #ffffff;
    --text-secondary: #ffffff;
    --text-muted: #ffffff;
    --border-color: rgba(255,255,255,0.15);
    --glow-cyan: rgba(0, 212, 255, 0.4);
    --glow-blue: rgba(74, 144, 226, 0.4);
    --glow-mint: rgba(79, 209, 199, 0.4);
}

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

body {
    font-family: 'Montserrat', 'Avenir Next', 'Futura Light', 'Century Gothic', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--bg-gradient);
    color: var(--text-primary);
    overflow-x: hidden;
    overflow-y: auto;
    line-height: 1.6;
}

/* Pulse animatie voor de achtergrond */
@keyframes pulse-glow {
    0%, 100% { opacity: 0.1; }
    50% { opacity: 0.3; }
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

/* Container */
.container {
    max-width: 1600px;
    margin: 0 auto;
    padding: 0 40px;
}

/* Context section - smaller width for cards */
.sprint-0 .container {
    max-width: 1000px;
}

/* Onderzoek section - wider for data content */
#onderzoek .container {
    max-width: 1600px;
    padding: 0 40px;
}

/* Heatmaps section - full width for map */
#heatmaps {
    padding: 0;
    margin: 0;
    min-height: 100vh;
    width: 100vw;
    position: relative;
    left: 50%;
    right: 50%;
    margin-left: -50vw;
    margin-right: -50vw;
    overflow: hidden;
}

#heatmaps .container {
    max-width: 100%;
    padding: 0;
    margin: 0;
    width: 100%;
}

#heatmaps .section-content {
    width: 100%;
    height: 100vh;
    display: flex;
    flex-direction: column;
    margin: 0;
    padding: 0;
    overflow: hidden;
}

#heatmaps .section-header {
    padding: 20px 40px;
    background: rgba(26, 35, 50, 0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(79, 209, 199, 0.2);
}

#heatmaps .heatmaps-container {
    flex: 1;
    display: block;
    position: relative;
    width: 100%;
    height: calc(100vh - 160px);
    overflow: hidden;
}

#heatmaps #map {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 220px;
    width: 100%;
    height: calc(100% - 220px);
    border-radius: 0;
    box-shadow: none;
    background: #2a3b4c;
    border: none;
    z-index: 1;
}

/* Concept section - medium width for visual */
#concept .container {
    max-width: 1200px;
}

 /* Design section - smaller for showcase */
 #design .container {
     max-width: 1000px;
 }

 /* SWOT section - medium width for analysis */
 #swot .container {
     max-width: 1400px;
 }

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(30px);
    border-bottom: 1px solid rgba(79, 209, 199, 0.3);
    z-index: 1000;
    padding: 20px 0;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.nav {
    display: flex;
    justify-content: center;
    align-items: center;
}

.presentation-controls {
    display: flex;
    align-items: center;
    gap: 40px;
}

.nav-btn {
    background: rgba(15, 25, 40, 0.9);
    color: #ffffff;
    border: 1px solid rgba(15, 25, 40, 1);
    padding: 12px 24px;
    border-radius: 25px;
    font-weight: 500;
    font-size: 0.95rem;
    cursor: pointer;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
}

.nav-btn:hover:not(:disabled) {
    background: rgba(79, 209, 199, 0.9);
    border-color: rgba(79, 209, 199, 1);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(79, 209, 199, 0.3);
}

.nav-btn:active:not(:disabled) {
    transform: translateY(-1px);
}

.nav-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
    transform: none;
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.1);
}

.nav-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.nav-btn:hover::before {
    left: 100%;
}

.slide-info {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.slide-counter {
    color: #ffffff;
    font-weight: 500;
    font-size: 0.9rem;
    min-width: 80px;
    text-align: center;
    background: rgba(15, 25, 40, 0.9);
    padding: 6px 12px;
    border-radius: 15px;
    border: 1px solid rgba(15, 25, 40, 1);
    backdrop-filter: blur(10px);
}

.slide-indicator {
    display: flex;
    gap: 8px;
}

.slide-dots {
    display: flex;
    gap: 8px;
}

.slide-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(15, 25, 40, 0.8);
    transition: all 0.3s ease;
    cursor: pointer;
    border: 1px solid rgba(15, 25, 40, 1);
}

.slide-dot.active {
    background: rgba(79, 209, 199, 0.8);
    box-shadow: 0 0 8px rgba(79, 209, 199, 0.3);
    border-color: rgba(79, 209, 199, 0.4);
    transform: scale(1.1);
}

.slide-dot:hover {
    background: rgba(79, 209, 199, 0.4);
    transform: scale(1.05);
}

/* Main content */
.main {
    margin-top: 80px;
    min-height: calc(100vh - 80px);
}

.section {
    padding: 80px 0;
    min-height: 100vh;
    display: none;
    align-items: center;
    opacity: 0;
    transform: translateX(50px);
    transition: all 0.6s ease;
}

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

.section-content {
    width: 100%;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-family: 'Avenir Next', 'Futura Light', 'Century Gothic', sans-serif;
    font-size: 3.5rem;
    font-weight: 100;
    margin-bottom: 20px;
    color: #ffffff;
    letter-spacing: 0.05em;
}

.section-subtitle {
    font-size: 1.3rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* Global background for all sections */
.section {
    background: radial-gradient(circle at 30% 20%, rgba(79, 209, 199, 0.15) 0%, transparent 60%),
                radial-gradient(circle at 70% 80%, rgba(139, 92, 246, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 50% 50%, rgba(0, 212, 255, 0.08) 0%, transparent 70%);
}

.context-content {
    max-width: 100%;
    margin: 0 auto;
}

.context-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.context-card {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 30px;
    text-align: center;
    transition: all 0.3s ease;
    backdrop-filter: blur(20px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.context-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(79, 209, 199, 0.15);
    border-color: rgba(79, 209, 199, 0.3);
}


.context-card h3 {
    font-family: 'Avenir Next', 'Futura Light', 'Century Gothic', sans-serif;
    color: #ffffff;
    margin: 0 0 15px 0;
    font-size: 1.3rem;
    font-weight: 100;
    letter-spacing: 0.01em;
}

.context-card p {
    margin: 0;
    line-height: 1.6;
    color: var(--text-secondary);
    font-size: 1rem;
}

.quiz-header {
    text-align: center;
    margin-bottom: 30px;
}

.quiz-title {
    font-family: 'Avenir Next', 'Futura Light', 'Century Gothic', sans-serif;
    font-size: 2.5rem;
    font-weight: 100;
    margin-bottom: 15px;
    color: #ffffff;
    letter-spacing: 0.03em;
}

.quiz-description {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

/* Onderzoek sectie */
.research-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 45px;
    margin-top: 40px;
    max-width: 1600px;
    margin-left: auto;
    margin-right: auto;
}

.research-cards {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.research-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: 15px;
    padding: 30px;
    backdrop-filter: blur(20px);
    transition: all 0.3s ease;
    cursor: pointer;
}

.research-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 212, 255, 0.2);
    border-color: var(--accent-cyan);
}

.research-card h3 {
    color: #ffffff;
    margin-bottom: 15px;
    font-size: 1.4rem;
}

.research-card p {
    color: var(--text-secondary);
    line-height: 1.6;
}

.email-subject {
    color: var(--accent-mint) !important;
    font-weight: 600;
    font-style: italic;
    margin-bottom: 20px !important;
}

.email-content {
    margin-top: 20px;
    padding: 20px;
    border-radius: 10px;
    border-left: 4px solid var(--accent-mint);
}

.email-content p {
    margin-bottom: 12px;
    line-height: 1.7;
}

.research-questions {
    margin-top: 20px;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.question-item {
    padding: 15px;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 8px;
}

.question-item h6 {
    color: var(--accent-mint);
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.question-item p {
    color: var(--text-secondary);
    margin: 0;
    line-height: 1.5;
}

/* Concept sectie */
.concept-flow {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 40px;
    margin: 60px 0;
    flex-wrap: wrap;
}

.concept-step {
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid var(--border-color);
    border-radius: 20px;
    padding: 30px;
    text-align: center;
    min-width: 200px;
    transition: all 0.3s ease;
    position: relative;
}

.concept-step:hover {
    border-color: var(--accent-cyan);
    box-shadow: 0 15px 30px var(--glow-cyan);
}

.concept-step::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(45deg, var(--accent-cyan), var(--accent-cyan));
    border-radius: 20px;
    z-index: -1;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.concept-step:hover::before {
    opacity: 1;
}

.concept-number {
    width: 50px;
    height: 50px;
    background: var(--accent-cyan);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-weight: 700;
    font-size: 1.2rem;
    color: #ffffff;
}

/* Design sectie */
.design-showcase {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    margin-top: 40px;
}

.design-item {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: 15px;
    padding: 30px;
    backdrop-filter: blur(20px);
}

 .design-item h3 {
     font-family: 'Avenir Next', 'Futura Light', 'Century Gothic', sans-serif;
     color: #ffffff;
     margin-bottom: 15px;
     font-weight: 100;
     letter-spacing: -0.01em;
 }

 /* Logo Gallery */
 .logo-gallery-section {
    margin-top: 60px;
    padding: 40px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 20px;
    backdrop-filter: blur(20px);
 }

.logo-layout {
    display: block;
}

 .gallery-title {
     font-family: 'Avenir Next', 'Futura Light', 'Century Gothic', sans-serif;
     color: #ffffff;
     font-size: 2rem;
     font-weight: 100;
     margin-bottom: 15px;
     text-align: center;
     letter-spacing: 0.02em;
 }

 .gallery-subtitle {
     color: var(--text-secondary);
     text-align: center;
     margin-bottom: 40px;
     font-size: 1.1rem;
 }

.logo-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 40px;
}

.logo-option {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 15px;
    padding-bottom: 15px;
    text-align: center;
    transition: all 0.3s ease;
    cursor: pointer;
    min-height: 120px;
    display: flex;
    justify-content: center;
    align-items: center;
}

 .logo-option:hover {
     border-color: var(--accent-mint);
     transform: translateY(-2px);
     box-shadow: none;
 }

 .logo-option.selected {
     border-color: var(--accent-mint);
     background: transparent;
     box-shadow: none;
 }

 .logo-preview {
     margin-bottom: 20px;
     display: flex;
     justify-content: center;
     align-items: center;
     min-height: 120px;
 }

 .logo-mockup {
     display: flex;
     align-items: center;
     gap: 15px;
     padding: 20px 30px;
     border-radius: 15px;
     font-family: 'Avenir Next', 'Futura Light', 'Century Gothic', sans-serif;
 }

 .logo-icon {
     width: 50px;
     height: 50px;
     border-radius: 12px;
     display: flex;
     align-items: center;
     justify-content: center;
     font-size: 1.8rem;
     font-weight: 800;
     color: white;
 }

 .logo-text {
     font-size: 1.8rem;
     font-weight: 800;
 }

 /* Logo Design Variations */
 .logo-a {
     background: linear-gradient(135deg, #4ea3ff, #8b5cf6);
 }

 .logo-a .logo-icon {
     background: linear-gradient(135deg, #4ea3ff, #8b5cf6);
 }

 .logo-a .logo-text {
     background: linear-gradient(135deg, #4ea3ff, #8b5cf6);
     -webkit-background-clip: text;
     -webkit-text-fill-color: transparent;
     background-clip: text;
 }

 .logo-b {
     background: linear-gradient(135deg, #4fd1c7, #00d4ff);
 }

 .logo-b .logo-icon {
     background: linear-gradient(135deg, #4fd1c7, #00d4ff);
 }

 .logo-b .logo-text {
     background: linear-gradient(135deg, #4fd1c7, #00d4ff);
     -webkit-background-clip: text;
     -webkit-text-fill-color: transparent;
     background-clip: text;
 }

 .logo-c {
     background: linear-gradient(135deg, #ffffff, #e2e8f0);
 }

 .logo-c .logo-icon {
     background: linear-gradient(135deg, #4a90e2, #2c5282);
 }

 .logo-c .logo-text {
     color: #ffffff;
 }

.logo-info h4 {
    color: #1a2332;
    margin-bottom: 10px;
    font-size: 1.2rem;
    font-weight: 600;
}

.logo-image {
    width: 100%;
    max-width: 450px;
    height: 300px;
    object-fit: contain;
    margin: 0;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.08);
    padding: 15px;
    transition: all 0.3s ease;
    box-shadow: none;
}

 .logo-option:hover .logo-image {
     transform: scale(1.02);
     background: rgba(255, 255, 255, 0.12);
     box-shadow: none;
 }

 .logo-info p {
     color: var(--text-secondary);
     margin-bottom: 20px;
     font-size: 0.95rem;
 }

 .select-logo-btn {
     background: #4fd1c7;
     color: white;
     border: 1px solid #4fd1c7;
     padding: 10px 20px;
     border-radius: 20px;
     font-weight: 500;
     cursor: pointer;
     transition: all 0.3s ease;
     font-size: 0.9rem;
     margin-top: 15px;
 }

 .select-logo-btn:hover {
     background: rgba(79, 209, 199, 1);
     transform: translateY(-1px);
     box-shadow: 0 4px 12px rgba(79, 209, 199, 0.2);
 }

 .select-logo-btn.selected {
     background: rgba(46, 204, 113, 0.9);
     border-color: rgba(46, 204, 113, 0.5);
     box-shadow: 0 4px 12px rgba(46, 204, 113, 0.2);
 }

 /* Feedback Section */
 .logo-feedback {
     background: rgba(255, 255, 255, 0.03);
     border: 1px solid rgba(255, 255, 255, 0.08);
     border-radius: 15px;
     padding: 25px;
     margin-top: 30px;
 }

 .logo-feedback h4 {
     color: #ffffff;
     margin-bottom: 20px;
     font-size: 1.3rem;
     font-weight: 600;
 }

 .logo-feedback textarea {
     width: 100%;
     min-height: 120px;
     background: rgba(255, 255, 255, 0.05);
     border: 1px solid rgba(255, 255, 255, 0.15);
     border-radius: 10px;
     padding: 15px;
     color: var(--text-primary);
     font-family: inherit;
     font-size: 1rem;
     resize: vertical;
     transition: all 0.3s ease;
 }

 .logo-feedback textarea:focus {
     outline: none;
     border-color: var(--accent-mint);
     box-shadow: 0 0 0 3px rgba(79, 209, 199, 0.1);
 }

 .logo-feedback textarea::placeholder {
     color: var(--text-muted);
 }

 .feedback-actions {
     display: flex;
     align-items: center;
     gap: 15px;
     margin-top: 20px;
 }

 .save-btn {
     background: #ffffff;
     color: #1a2332;
     border: 2px solid #ffffff;
     padding: 12px 24px;
     border-radius: 25px;
     font-weight: 600;
     cursor: pointer;
     transition: all 0.3s ease;
     font-size: 0.9rem;
     box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
 }

 .save-btn:hover {
     background: #f8f9fa;
     border-color: #4fd1c7;
     transform: translateY(-2px);
     box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
 }

 .status-message {
     color: var(--text-muted);
     font-size: 0.9rem;
     font-weight: 500;
 }

 .status-message.success {
     color: #ffffff;
 }

 .status-message.error {
     color: #ffffff;
 }

/* Conclusie Section */
.conclusie-content {
    padding: 30px 0;
    width: 100%;
    max-width: 1600px;
    margin: 0 auto;
}

.conclusie-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.conclusie-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    padding: 30px;
    backdrop-filter: blur(20px);
    transition: all 0.3s ease;
}

.conclusie-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
    border-color: var(--accent-mint);
}

.conclusie-card h3 {
    color: #ffffff;
    margin-bottom: 15px;
    font-size: 1.3rem;
    font-weight: 600;
}

.conclusie-card p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
    text-align: left;
}

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

.conclusie-card li {
    color: var(--text-secondary);
    margin-bottom: 10px;
    padding-left: 20px;
    position: relative;
    line-height: 1.5;
}

.conclusie-card li::before {
    content: '•';
    color: var(--accent-mint);
    font-weight: bold;
    position: absolute;
    left: 0;
}

.conclusie-summary {
    text-align: center;
    margin: 30px 0;
    padding: 20px;
    background: rgba(79, 209, 199, 0.1);
    border: 1px solid rgba(79, 209, 199, 0.2);
    border-radius: 10px;
    backdrop-filter: blur(10px);
}

.conclusie-summary p {
    color: white;
    font-size: 1.2rem;
    font-weight: 500;
    margin: 0;
    font-style: italic;
}

/* SWOT Analysis */
.swot-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin-top: 40px;
}

 .swot-card {
     background: rgba(255, 255, 255, 0.05);
     border: 1px solid rgba(255, 255, 255, 0.1);
     border-radius: 20px;
     padding: 30px;
     backdrop-filter: blur(20px);
     transition: all 0.3s ease;
 }

 .swot-card:hover {
     transform: translateY(-5px);
     box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
 }

.swot-card.strengths {
    border-left: 4px solid var(--accent-mint);
}

.swot-card.weaknesses {
    border-left: 4px solid #db5457    ;
}

.swot-card.opportunities {
    border-left: 4px solid #8b5cf6;
}

.swot-card.threats {
    border-left: 4px solid #ffffff;
}

 .swot-card h3 {
     font-family: 'Avenir Next', 'Futura Light', 'Century Gothic', sans-serif;
     color: #ffffff;
     margin-bottom: 20px;
     font-size: 1.4rem;
     font-weight: 100;
     letter-spacing: 0.01em;
 }

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

 .swot-card li {
     color: var(--text-secondary);
     margin-bottom: 12px;
     padding-left: 20px;
     position: relative;
     line-height: 1.5;
 }

.swot-card.strengths li::before {
    content: '•';
    color: var(--accent-mint);
    font-weight: bold;
    position: absolute;
    left: 0;
}

.swot-card.weaknesses li::before {
    content: '•';
    color: #2596be;
    font-weight: bold;
    position: absolute;
    left: 0;
}

.swot-card.opportunities li::before {
    content: '•';
    color: var(--accent-blue);
    font-weight: bold;
    position: absolute;
    left: 0;
}

.swot-card.threats li::before {
    content: '•';
    color: #ffffff;
    font-weight: bold;
    position: absolute;
    left: 0;
}

/* Animations */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Heatmaps Section */
.heatmaps-container {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 40px;
    align-items: start;
}

.heatmaps-iframe-container {
    position: relative;
    overflow: hidden;
    border-radius: 15px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    background: var(--panel);
}

/* Heatmap Sidebar */
.heatmap-sidebar {
    position: absolute;
    top: 80px;
    left: 20px;
    width: 300px;
    z-index: 1000;
    background: rgba(26, 35, 50, 0.95);
    backdrop-filter: blur(20px);
    border-radius: 15px;
    padding: 15px;
    border: 1px solid rgba(79, 209, 199, 0.2);
    max-height: calc(100vh - 180px);
    overflow-y: auto;
}

.sidebar-section {
    margin-bottom: 15px;
}

.sidebar-section:last-child {
    margin-bottom: 0;
}

.sidebar-section h3 {
    color: white;
    margin-bottom: 15px;
    font-size: 1.1rem;
    font-weight: 600;
}

/* Coldspots Styling */
.coldspots-list {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.coldspot-item {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 6px;
    padding: 8px 10px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.coldspot-item:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(79, 209, 199, 0.3);
    transform: translateX(2px);
}

.coldspot-location {
    color: #ffffff;
    font-weight: 500;
    font-size: 0.9rem;
    margin-bottom: 4px;
}

.coldspot-time {
    color: var(--accent-mint);
    font-size: 0.8rem;
}

/* Search Styling */
.search-container {
    display: flex;
    gap: 6px;
    margin-bottom: 0;
}

.search-input {
    flex: 1;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(79, 209, 199, 0.4);
    border-radius: 8px;
    padding: 10px 12px;
    color: #ffffff;
    font-size: 0.9rem;
    outline: none;
    transition: all 0.3s ease;
    font-weight: 500;
}

.search-input::placeholder {
    color: rgba(255, 255, 255, 0.7);
}

.search-input:focus {
    border-color: var(--accent-mint);
    background: rgba(255, 255, 255, 0.15);
    box-shadow: 0 0 0 2px rgba(79, 209, 199, 0.2);
}

.search-button {
    background: var(--accent-mint);
    border: 1px solid var(--accent-mint);
    border-radius: 8px;
    padding: 10px 14px;
    color: #1a2332;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(79, 209, 199, 0.2);
}

.search-button:hover {
    background: #3fb8b0;
    border-color: #3fb8b0;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(79, 209, 199, 0.3);
}

.search-results {
    max-height: 200px;
    overflow-y: auto;
}

.search-result-item {
    background: rgba(79, 209, 199, 0.1);
    border: 1px solid rgba(79, 209, 199, 0.3);
    border-radius: 8px;
    padding: 10px 12px;
    margin-bottom: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.9rem;
    color: #ffffff;
    font-weight: 500;
}

.search-result-item:hover {
    background: rgba(79, 209, 199, 0.2);
    border-color: var(--accent-mint);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(79, 209, 199, 0.2);
}

/* Legenda rechtsonder */
.heatmap-legend {
    position: absolute;
    bottom: 240px;
    right: 20px;
    background: rgba(79, 209, 199, 0.1);
    backdrop-filter: blur(15px);
    border: 1px solid rgba(79, 209, 199, 0.3);
    border-radius: 12px;
    padding: 15px 20px;
    z-index: 1000;
    min-width: 200px;
}

.heatmap-legend h3 {
    color: #ffffff;
    font-size: 1rem;
    font-weight: 600;
    margin: 0 0 12px 0;
    text-align: center;
}

/* Legenda Styling */
.legend-items {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 4px;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.legend-color {
    width: 16px;
    height: 16px;
    border-radius: 3px;
    flex-shrink: 0;
}

.legend-item span {
    color: #ffffff;
    font-size: 0.85rem;
}

/* Onderste balk voor zoekbalk */
.search-bottom-bar {
    position: absolute;
    bottom: 120px;
    left: 0;
    right: 0;
    height: 100px;
    background: rgba(26, 35, 50, 0.9);
    backdrop-filter: blur(15px);
    border-top: 1px solid rgba(79, 209, 199, 0.2);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Zoekbalk in de onderste balk */
.search-bottom {
    width: 600px;
    background: rgba(26, 35, 50, 0.9);
    backdrop-filter: blur(15px);
    border-radius: 12px;
    padding: 15px 20px;
    border: 1px solid rgba(79, 209, 199, 0.3);
    box-shadow: 0 6px 20px rgba(79, 209, 199, 0.15);
}


.info-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    padding: 12px;
    transition: all 0.3s ease;
}

.info-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(79, 209, 199, 0.1);
    background: rgba(255, 255, 255, 0.08);
}

.info-card h3 {
    font-family: 'Avenir Next', 'Futura Light', 'Century Gothic', sans-serif;
    color: #ffffff;
    margin: 0 0 8px 0;
    font-size: 1.0rem;
    font-weight: 100;
    letter-spacing: -0.01em;
}

.info-card p {
    margin: 0;
    line-height: 1.4;
    color: var(--text-secondary);
    font-size: 0.85rem;
}

/* Research Section */
.research-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 35px;
    margin-top: 40px;
    max-width: 1600px;
    margin-left: auto;
    margin-right: auto;
}

.research-card {
    background: linear-gradient(135deg, rgba(78, 163, 255, 0.1), rgba(139, 92, 246, 0.1));
    border: 1px solid rgba(78, 163, 255, 0.2);
    border-radius: 20px;
    padding: 30px;
    transition: all 0.3s ease;
    text-align: center;
}

.research-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(78, 163, 255, 0.2);
}

.card-icon {
    font-size: 3rem;
    margin-bottom: 20px;
    display: block;
}

.research-card h3 {
    font-family: 'Avenir Next', 'Futura Light', 'Century Gothic', sans-serif;
    color: #ffffff;
    margin: 0 0 15px 0;
    font-size: 1.3rem;
    font-weight: 100;
    letter-spacing: -0.01em;
}

.research-card p {
    margin: 0;
    line-height: 1.6;
    color: var(--text-secondary);
}

/* Interactive Research Section */
.research-sections {
    margin-top: 50px;
}

.research-content {
    padding: 30px 0;
    width: 100%;
    max-width: 1600px;
    margin: 0 auto;
}

.research-content h3 {
    font-size: 2.2rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 30px;
    text-align: center;
    letter-spacing: -0.02em;
}

.research-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 35px;
    margin-top: 40px;
    max-width: 1600px;
    margin-left: auto;
    margin-right: auto;
}

.research-category {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 15px;
    padding: 25px;
}

.research-category h4 {
    color: #ffffff;
    margin-bottom: 20px;
    font-size: 1.3rem;
}

.requirements-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 35px;
    margin-top: 0;
    max-width: 1600px;
    margin-left: auto;
    margin-right: auto;
}

.requirement-category {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid #ffffff;
    border-radius: 15px;
    padding: 30px;
    backdrop-filter: blur(20px);
}

.requirement-category h4 {
    color: white;
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 25px;
    text-align: center;
}

.requirement-category h5 {
    color: #ffffff;
    font-size: 1.2rem;
    font-weight: 600;
    margin: 25px 0 15px 0;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--accent-mint);
}

.requirement-category h6 {
    color: white;
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.requirements-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.requirement-item {
    display: block;
    padding: 15px;
    background: linear-gradient(135deg, rgba(78, 163, 255, 0.1), rgba(139, 92, 246, 0.1));
    border-radius: 10px;
    border: 1px solid rgba(78, 163, 255, 0.2);
}

.req-content h5 {
    color: #ffffff;
    margin-bottom: 8px;
    font-size: 1.1rem;
}

.req-content p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.5;
}

.data-tabs {
    display: flex;
    gap: 35px;
    margin-bottom: 40px;
    background: rgba(255, 255, 255, 0.05);
    padding: 15px 25px;
    border-radius: 15px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.research-tabs {
    display: flex;
    gap: 35px;
    margin-bottom: 40px;
    background: rgba(255, 255, 255, 0.05);
    padding: 15px 25px;
    border-radius: 15px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.tab-btn {
    background: rgba(79, 209, 199, 0.1);
    border: 1px solid rgba(79, 209, 199, 0.3);
    border-radius: 20px;
    padding: 16px 28px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 600;
    color: var(--text-primary);
    font-size: 1.0rem;
    flex: 1;
    min-width: 200px;
    text-align: center;
    position: relative;
    backdrop-filter: blur(10px);
}

.tab-btn:hover {
    background: rgba(79, 209, 199, 0.2);
    border-color: rgba(79, 209, 199, 0.5);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(79, 209, 199, 0.2);
}

.tab-btn.active {
    background: rgba(79, 209, 199, 0.3);
    border-color: rgba(79, 209, 199, 0.7);
    color: #ffffff;
    box-shadow: 0 8px 25px rgba(79, 209, 199, 0.3);
    font-weight: 700;
}

.tab-content {
    display: none;
    width: 100%;
    max-width: 1600px;
    margin: 0 auto;
    padding: 0 40px;
}

.tab-content.active {
    display: block;
}

/* Statistics Tab */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 50px;
}

.stat-card {
    background: linear-gradient(135deg, rgba(78, 163, 255, 0.1), rgba(139, 92, 246, 0.1));
    border: 1px solid rgba(78, 163, 255, 0.2);
    border-radius: 20px;
    padding: 30px;
    text-align: center;
    transition: all 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(78, 163, 255, 0.2);
}

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    color: #ffffff;
    margin-bottom: 10px;
}

.stat-label {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 8px;
}

.stat-source {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.measurement-tools {
    margin-top: 40px;
}

.measurement-tools h3 {
    color: #ffffff;
    margin-bottom: 30px;
    font-size: 1.5rem;
}

.tools-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}

.tool-item {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    padding: 20px;
    text-align: center;
    transition: all 0.3s ease;
}

.tool-item:hover {
    transform: translateY(-3px);
    background: rgba(255, 255, 255, 0.08);
}

.tool-icon {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.tool-item h4 {
    color: #ffffff;
    margin: 0 0 10px 0;
    font-size: 1.1rem;
}

.tool-item p {
    margin: 0;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Channels Tab */
.channels-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.channel-card {
    background: linear-gradient(135deg, rgba(78, 163, 255, 0.1), rgba(139, 92, 246, 0.1));
    border: 1px solid rgba(78, 163, 255, 0.2);
    border-radius: 20px;
    padding: 30px;
    transition: all 0.3s ease;
}

.channel-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(78, 163, 255, 0.2);
}

.channel-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.channel-card h4 {
    color: #ffffff;
    margin: 0 0 15px 0;
    font-size: 1.3rem;
}

.channel-card p {
    margin: 0 0 20px 0;
    color: var(--text-secondary);
}

.channel-examples {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.tag {
    background: rgba(78, 163, 255, 0.2);
    color: #ffffff;
    padding: 4px 12px;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 600;
}

.channel-stats {
    margin-top: 15px;
}

.stat {
    background: rgba(46, 204, 113, 0.2);
    color: #2ecc71;
    padding: 6px 12px;
    border-radius: 15px;
    font-size: 0.9rem;
    font-weight: 600;
}

.channel-note {
    margin-top: 15px;
}

.highlight {
    background: rgba(255, 184, 78, 0.2);
    color: #ffb84e;
    padding: 6px 12px;
    border-radius: 15px;
    font-size: 0.9rem;
    font-weight: 600;
}

/* International Tab */
.countries-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 0;
    margin-bottom: 40px;
}

/* Device Comparison Table */
.device-comparison {
    margin-top: 50px;
}

.device-comparison h3 {
    color: var(--accent-mint);
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 30px;
    text-align: center;
}

.comparison-table-container {
    overflow-x: auto;
    border-radius: 15px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    margin: 0;
    font-size: 0.95rem;
}

.comparison-table thead {
    background: rgba(79, 209, 199, 0.1);
}

.comparison-table th {
    color: var(--accent-mint);
    font-weight: 600;
    padding: 20px 15px;
    text-align: left;
    border-bottom: 2px solid rgba(79, 209, 199, 0.3);
    font-size: 1rem;
}

.comparison-table td {
    color: var(--text-secondary);
    padding: 18px 15px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    line-height: 1.5;
    vertical-align: top;
}

.comparison-table tr:hover {
    background: rgba(79, 209, 199, 0.05);
}

.comparison-table tr:last-child td {
    border-bottom: none;
}

.comparison-table td:first-child {
    font-weight: 600;
    color: #ffffff;
    width: 20%;
    min-width: 120px;
}

.comparison-table td:nth-child(2) {
    width: 40%;
}

.comparison-table td:nth-child(3) {
    width: 40%;
}

.country-card {
    background: linear-gradient(135deg, rgba(78, 163, 255, 0.1), rgba(139, 92, 246, 0.1));
    border: 1px solid rgba(78, 163, 255, 0.2);
    border-radius: 20px;
    padding: 30px;
    transition: all 0.3s ease;
}

.country-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(78, 163, 255, 0.2);
}

.country-flag {
    font-size: 3rem;
    margin-bottom: 20px;
}

.country-card h4 {
    color: #ffffff;
    margin: 0 0 20px 0;
    font-size: 1.3rem;
}

.country-features {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.feature {
    background: rgba(255, 255, 255, 0.05);
    padding: 10px 15px;
    border-radius: 10px;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.international-stats {
    background: linear-gradient(135deg, rgba(78, 163, 255, 0.1), rgba(139, 92, 246, 0.1));
    border: 1px solid rgba(78, 163, 255, 0.2);
    border-radius: 20px;
    padding: 30px;
    margin-top: 30px;
}

.stat-highlight {
    display: flex;
    align-items: center;
    gap: 20px;
}

.stat-icon {
    font-size: 3rem;
}

.stat-text {
    color: var(--text);
    line-height: 1.6;
}

/* Solutions Tab */
.solutions-categories {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 40px;
}

.solution-category {
    background: linear-gradient(135deg, rgba(78, 163, 255, 0.1), rgba(139, 92, 246, 0.1));
    border: 1px solid rgba(78, 163, 255, 0.2);
    border-radius: 20px;
    padding: 30px;
}

.solution-category h4 {
    color: #ffffff;
    margin: 0 0 25px 0;
    font-size: 1.3rem;
}

.solution-items {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.solution-item {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.solution-name {
    font-weight: 700;
    color: var(--text);
    font-size: 1.1rem;
}

.solution-pro {
    color: #2ecc71;
    font-size: 0.9rem;
}

.solution-con {
    color: #e74c3c;
    font-size: 0.9rem;
}

/* Concept Hero Section */
.concept-hero {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    min-height: 80vh;
    padding: 60px 0;
}

.concept-visual {
    position: relative;
    height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.pulse-background {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, #90C5E7, #ffffff);
    border-radius: 20px;
    opacity: 0.8;
}

.heartbeat-line {
    position: relative;
    width: 100%;
    height: 4px;
    background: rgba(78, 163, 255, 0.3);
    border-radius: 2px;
    overflow: hidden;
}

.pulse-video-container {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    border-radius: 15px;
}

.pulse-video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 15px;
    opacity: 0.9;
}

.skyline-silhouette {
    position: absolute;
    top: -20px;
    left: 0;
    right: 0;
    height: 40px;
    background: linear-gradient(45deg, 
        transparent 0%, 
        rgba(0,0,0,0.1) 20%, 
        rgba(0,0,0,0.2) 40%, 
        rgba(0,0,0,0.1) 60%, 
        transparent 100%);
    clip-path: polygon(0% 100%, 10% 80%, 20% 90%, 30% 70%, 40% 85%, 50% 60%, 60% 75%, 70% 65%, 80% 80%, 90% 70%, 100% 85%, 100% 100%);
    opacity: 0.6;
}

.pulse-logo-animated {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    display: flex;
    align-items: center;
    gap: 15px;
    opacity: 0;
    animation: logoFadeIn 2s ease-in-out 1s forwards;
}

.pulse-logo-animated .logo-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #4ea3ff, #8b5cf6);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: 800;
    color: white;
    box-shadow: 0 10px 30px rgba(78, 163, 255, 0.3);
}

.pulse-logo-animated span {
    font-size: 2.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, #4ea3ff, #8b5cf6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.concept-text {
    text-align: left;
}

.concept-title {
    font-family: 'Avenir Next', 'Futura Light', 'Century Gothic', sans-serif;
    font-size: 3.5rem;
    font-weight: 100;
    line-height: 1.2;
    margin: 0 0 20px 0;
    color: #ffffff;
    letter-spacing: 0.05em;
}

.concept-payoff {
    font-size: 1.4rem;
    font-weight: 300;
    font-style: italic;
    color: var(--accent-mint);
    margin: 10px 0 30px 0;
    text-align: left;
    letter-spacing: 1px;
}

.concept-description {
    font-size: 1.2rem;
    line-height: 1.7;
    color: var(--text-secondary);
    margin-bottom: 25px;
    max-width: 800px;
    text-align: left;
}

/* Design Tabs */
.design-tabs {
    display: flex;
    gap: 35px;
    margin-bottom: 40px;
    background: rgba(255, 255, 255, 0.05);
    padding: 15px 25px;
    border-radius: 15px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.design-tab-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    padding: 12px 24px;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1rem;
    font-weight: 500;
    min-width: 200px;
    text-align: center;
    position: relative;
}

.design-tab-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    color: #ffffff;
}

.design-tab-btn.active {
    background: rgba(79, 209, 199, 0.2);
    color: var(--accent-mint);
    border: 1px solid rgba(79, 209, 199, 0.3);
}

.design-tab-content {
    display: none;
    width: 100%;
    max-width: 1600px;
    margin: 0 auto;
    padding: 0 40px;
}

.design-tab-content.active {
    display: block;
}

.design-content {
    padding: 30px 0;
    width: 100%;
    max-width: 1600px;
    margin: 0 auto;
}

.design-content h3 {
    font-size: 2rem;
    font-weight: 600;
    color: #ffffff;
    margin-bottom: 20px;
    text-align: center;
}

.design-content p {
    font-size: 1.1rem;
    line-height: 1.7;
    color: var(--text-secondary);
    margin-bottom: 30px;
    text-align: center;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.design-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.design-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    padding: 30px;
    backdrop-filter: blur(20px);
    transition: all 0.3s ease;
}

.design-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
    border-color: var(--accent-mint);
}

.design-card h4 {
    color: var(--accent-mint);
    margin-bottom: 15px;
    font-size: 1.3rem;
    font-weight: 600;
}

.design-card p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
    text-align: left;
}

/* Huisstijl Content */
.huisstijl-content {
    padding: 30px 0;
    width: 100%;
    max-width: 1600px;
    margin: 0 auto;
}

.huisstijl-content h3 {
    font-size: 2rem;
    font-weight: 600;
    color: #ffffff;
    margin-bottom: 20px;
    text-align: center;
}

.huisstijl-content p {
    font-size: 1.1rem;
    line-height: 1.7;
    color: var(--text-secondary);
    margin-bottom: 40px;
    text-align: center;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.color-palette-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-bottom: 40px;
    max-width: 1400px;
    margin-left: auto;
    margin-right: auto;
}

.color-palette-option {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 30px;
    backdrop-filter: blur(20px);
    transition: all 0.3s ease;
    cursor: pointer;
}

.color-palette-option:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
    border-color: rgba(255, 255, 255, 0.2);
}

.color-palette-option.selected {
    border-color: var(--accent-mint);
    box-shadow: 0 15px 30px rgba(79, 209, 199, 0.2);
    transform: translateY(-5px);
}

.palette-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
}

.palette-header h4 {
    color: white;
    font-size: 1.4rem;
    font-weight: 600;
    margin: 0;
}

.select-palette-btn {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: #ffffff;
    padding: 8px 16px;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.select-palette-btn:hover {
    background: rgba(79, 209, 199, 0.2);
    border-color: var(--accent-mint);
    color: var(--accent-mint);
}

.color-palette-option.selected .select-palette-btn {
    background: var(--accent-mint);
    border-color: var(--accent-mint);
    color: #1a2332;
}

.palette-description {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.palette-description p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.5;
    margin: 0;
    text-align: left;
}

.palette-feedback {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    padding: 25px;
    backdrop-filter: blur(20px);
    margin-top: 30px;
}

.palette-feedback h4 {
    color: var(--accent-mint);
    margin-bottom: 15px;
    font-size: 1.2rem;
    font-weight: 600;
}

.palette-feedback textarea {
    width: 100%;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    padding: 15px;
    color: #ffffff;
    font-size: 1rem;
    line-height: 1.5;
    resize: vertical;
    margin-bottom: 15px;
    transition: all 0.3s ease;
}

.palette-feedback textarea:focus {
    outline: none;
    border-color: var(--accent-mint);
    background: rgba(255, 255, 255, 0.15);
}

.palette-feedback textarea::placeholder {
    color: rgba(255, 255, 255, 0.6);
}

.color-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 25px;
}

.color-item {
    text-align: center;
    transition: all 0.3s ease;
}

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

.color-swatch {
    width: 100%;
    height: 100px;
    border-radius: 12px;
    margin-bottom: 15px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    border: 2px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}

.color-swatch:hover {
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
    border-color: rgba(79, 209, 199, 0.3);
}

.color-info {
    color: var(--text-secondary);
}

.color-name {
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 4px;
    color: #ffffff;
}

.color-code {
    font-family: 'Courier New', monospace;
    font-size: 0.8rem;
    color: var(--accent-mint);
    background: rgba(79, 209, 199, 0.1);
    padding: 2px 6px;
    border-radius: 4px;
    display: inline-block;
}

/* Fonts Content */
.fonts-content {
    padding: 30px 0;
    width: 100%;
    max-width: 1600px;
    margin: 0 auto;
}

.fonts-content h3 {
    font-size: 2rem;
    font-weight: 600;
    color: #ffffff;
    margin-bottom: 20px;
    text-align: center;
}

.fonts-content p {
    font-size: 1.1rem;
    line-height: 1.7;
    color: var(--text-secondary);
    margin-bottom: 40px;
    text-align: center;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.fonts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
    margin-bottom: 40px;
}

.font-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    padding: 25px;
    backdrop-filter: blur(20px);
    transition: all 0.3s ease;
}

.font-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
    border-color: var(--accent-mint);
}

.font-preview {
    margin-bottom: 20px;
    padding: 20px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    text-align: center;
}

.font-preview h4 {
    font-size: 2rem;
    color: #ffffff;
    margin: 0;
    letter-spacing: 0.05em;
}

/* Font Preview Classes */
.section-title-preview {
    font-family: 'Avenir Next', 'Futura Light', 'Century Gothic', sans-serif;
    font-size: 2.5rem;
    font-weight: 100;
    letter-spacing: 0.05em;
    color: #ffffff;
    margin: 0;
    text-align: center;
}

.quiz-title-preview {
    font-family: 'Avenir Next', 'Futura Light', 'Century Gothic', sans-serif;
    font-size: 1.8rem;
    font-weight: 100;
    letter-spacing: 0.01em;
    color: #ffffff;
    margin: 0;
    text-align: center;
}

.card-title-preview {
    font-family: 'Avenir Next', 'Futura Light', 'Century Gothic', sans-serif;
    font-size: 1.2rem;
    font-weight: 100;
    letter-spacing: 0.01em;
    color: #ffffff;
    margin: 0;
    text-align: center;
}

.body-text-preview {
    font-family: 'Avenir Next', 'Futura Light', 'Century Gothic', sans-serif;
    font-size: 0.9rem;
    font-weight: 400;
    line-height: 1.6;
    color: #ffffff;
    margin: 0;
    text-align: center;
}

.button-preview {
    font-family: 'Montserrat', 'Avenir Next', 'Futura Light', 'Century Gothic', sans-serif;
    font-weight: 500;
    font-size: 0.85rem;
    background: rgba(79, 209, 199, 0.2);
    border: 1px solid rgba(79, 209, 199, 0.3);
    color: #ffffff;
    padding: 8px 16px;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.button-preview:hover {
    background: rgba(79, 209, 199, 0.3);
    border-color: rgba(79, 209, 199, 0.5);
}

.font-info h5 {
    color: var(--accent-mint);
    margin-bottom: 10px;
    font-size: 1.2rem;
    font-weight: 600;
}

.font-info p {
    color: var(--text-secondary);
    margin-bottom: 8px;
    font-size: 0.9rem;
    text-align: left;
}

.font-usage {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    padding: 30px;
    backdrop-filter: blur(20px);
    margin-top: 40px;
}

.font-usage h4 {
    color: var(--accent-mint);
    margin-bottom: 20px;
    font-size: 1.4rem;
    font-weight: 600;
}

.font-usage ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.font-usage li {
    color: var(--text-secondary);
    margin-bottom: 12px;
    padding-left: 20px;
    position: relative;
    line-height: 1.6;
}

.font-usage li::before {
    content: '•';
    color: var(--accent-mint);
    font-weight: bold;
    position: absolute;
    left: 0;
}

/* Mobile responsiveness for design tabs */
@media (max-width: 768px) {
    .design-tabs {
        flex-direction: column;
        gap: 15px;
        padding: 15px 20px;
    }
    
    .design-tab-btn {
        width: 100%;
        min-width: auto;
    }
    
    .design-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .design-card {
        padding: 20px;
    }
    
    .fonts-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .font-card {
        padding: 20px;
    }
    
    .font-preview h4 {
        font-size: 1.5rem;
    }
    
    .color-palette-grid {
        grid-template-columns: 1fr 1fr;
        gap: 20px;
    }
    
    .color-palette-option {
        padding: 20px;
    }
    
    .palette-header {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
    
    .color-grid {
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
        gap: 20px;
    }
    
    .color-swatch {
        height: 80px;
    }
}

/* Color Palette Button */
#design .color-palette-btn {
    background: rgba(255, 255, 255, 0.9);
    color: #1a2332;
    border: 1px solid rgba(255, 255, 255, 0.3);
    padding: 12px 20px;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 1000;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(10px);
}

#design .color-palette-btn:hover {
    background: rgba(255, 255, 255, 1);
    border-color: #4fd1c7;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}

/* Color Palette Modal */
.color-modal {
    display: none;
    position: fixed;
    z-index: 10000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
}

.color-modal-content {
    background: linear-gradient(135deg, #1a2332, #2a3b4c);
    margin: 5% auto;
    padding: 0;
    border-radius: 20px;
    width: 90%;
    max-width: 1200px;
    max-height: 80vh;
    overflow-y: auto;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(79, 209, 199, 0.2);
}

.color-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 30px 40px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.color-modal-header h2 {
    color: #ffffff;
    margin: 0;
    font-size: 2rem;
    font-weight: 600;
}

.close-modal {
    background: none;
    border: none;
    color: #ffffff;
    font-size: 2rem;
    cursor: pointer;
    padding: 5px 10px;
    border-radius: 50%;
    transition: all 0.3s ease;
}

.close-modal:hover {
    background: rgba(255, 255, 255, 0.1);
    color: #4fd1c7;
}

.moodboard-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    padding: 40px;
}

.moodboard {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 15px;
    padding: 30px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.moodboard h3 {
    color: #ffffff;
    margin: 0 0 25px 0;
    font-size: 1.5rem;
    font-weight: 600;
    text-align: center;
}

.color-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.color-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 10px;
}

.color-swatch {
    width: 80px;
    height: 80px;
    border-radius: 15px;
    border: 2px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
}

.color-swatch:hover {
    transform: scale(1.1);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.color-name {
    color: #ffffff;
    font-weight: 600;
    font-size: 0.9rem;
}

.color-code {
    color: #4fd1c7;
    font-family: 'Courier New', monospace;
    font-size: 0.8rem;
    background: rgba(79, 209, 199, 0.1);
    padding: 4px 8px;
    border-radius: 6px;
}

/* Mobile responsiveness for color modal */
@media (max-width: 768px) {
    .color-modal-content {
        margin: 10% auto;
        width: 95%;
    }
    
    .moodboard-container {
        grid-template-columns: 1fr;
        gap: 30px;
        padding: 20px;
    }
    
    .color-modal-header {
        padding: 20px;
    }
    
    .color-modal-header h2 {
        font-size: 1.5rem;
    }
    
    .color-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
    
    .color-swatch {
        width: 60px;
        height: 60px;
    }
}

/* Email content styling */
.email-content {
    border-radius: 15px;
    padding: 25px;
    margin-top: 20px;
}

.email-header {
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.email-header h5 {
    color: var(--accent-mint);
    font-size: 1.3rem;
    margin-bottom: 8px;
    font-weight: 600;
}

.email-subject {
    color: var(--text-secondary);
    font-style: italic;
    margin: 0;
    font-size: 0.95rem;
}

.email-body {
    line-height: 1.6;
    color: #ffffff;
}

.email-body p {
    margin-bottom: 15px;
}

.research-questions {
    margin: 20px 0;
    padding-left: 20px;
}

.research-questions li {
    margin-bottom: 12px;
    color: #ffffff;
    line-height: 1.5;
}

/* User Research Content */
.user-research-content {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 25px;
}

.user-research-content h5 {
    color: var(--accent-mint);
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 15px;
}

.user-research-content p {
    color: white;
    line-height: 1.6;
    margin-bottom: 20px;
}

.preference-ranking {
    margin: 25px 0;
}

.preference-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 20px;
    padding: 15px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
    border-left: 4px solid var(--accent-mint);
}

.preference-rank {
    background: var(--accent-mint);
    color: #1a2332;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.1rem;
    margin-right: 15px;
    flex-shrink: 0;
}

.preference-content {
    flex: 1;
}

.preference-content h6 {
    color: #ffffff;
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.preference-content p {
    color: var(--text-secondary);
    margin: 0;
    line-height: 1.5;
}

.key-insights {
    margin-top: 30px;
    padding: 20px;
    background: rgba(79, 209, 199, 0.1);
    border-radius: 10px;
    border: 1px solid rgba(79, 209, 199, 0.2);
}

.key-insights h6 {
    color: var(--accent-mint);
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 15px;
}

.key-insights ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.key-insights li {
    color: var(--text-secondary);
    margin-bottom: 12px;
    padding-left: 20px;
    position: relative;
    line-height: 1.6;
}

.key-insights li::before {
    content: '•';
    color: var(--accent-mint);
    font-weight: bold;
    position: absolute;
    left: 0;
}

/* Research Sections */
.research-section {
    margin: 25px 0;
    padding: 20px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
}

.research-section.onderzoeksvraag {
    border-left: 4px solid var(--accent-mint);
}

.research-section h6 {
    color: white;
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
}

.research-section h7 {
    color: #ffffff;
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 10px;
    display: block;
}

.research-section p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 12px;
}

.research-section ul {
    list-style: none;
    padding: 0;
    margin: 10px 0;
}

.research-section li {
    color: var(--text-secondary);
    margin-bottom: 8px;
    padding-left: 20px;
    position: relative;
    line-height: 1.5;
}

.research-section li::before {
    content: '•';
    color: var(--accent-mint);
    font-weight: bold;
    position: absolute;
    left: 0;
}

.method-item {
    margin: 20px 0;
    padding: 15px;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.method-item h7 {
    color: var(--accent-mint);
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 10px;
}

.method-item p {
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.method-item ul {
    margin: 10px 0;
}

.method-item li {
    color: var(--text-secondary);
    margin-bottom: 6px;
    padding-left: 15px;
    position: relative;
}

.method-item li::before {
    display: none;
}

/* Answer button styling */
.answer-btn {
    background: #ffffff;
    color: #1a2332;
    border: 2px solid #ffffff;
    border-radius: 8px;
    padding: 10px 20px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    margin: 10px 0;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.answer-btn:hover {
    background: #f8f9fa;
    border-color: #4fd1c7;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
}

.answer-btn.active {
    background: #f0f0f0;
    border-color: #4fd1c7;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.answer {
    margin-top: 10px;
    padding: 10px;
    background: rgba(79, 209, 199, 0.1);
    border: 1px solid rgba(79, 209, 199, 0.3);
    border-radius: 8px;
    color: #ffffff;
    font-size: 1.1rem;
    text-align: center;
}

.concept-subtitle {
    font-size: 1.5rem;
    color: var(--text-secondary);
    margin: 0 0 40px 0;
    font-weight: 300;
}

.cta-button {
    background: linear-gradient(135deg, #4ea3ff, #8b5cf6);
    color: white;
    border: none;
    padding: 20px 40px;
    border-radius: 50px;
    font-size: 1.2rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 10px 30px rgba(78, 163, 255, 0.3);
    text-decoration: none;
    display: inline-block;
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 20px 40px rgba(78, 163, 255, 0.4);
}

@keyframes heartbeat {
    0%, 100% { left: -100%; }
    50% { left: 100%; }
}

@keyframes logoFadeIn {
    0% { opacity: 0; transform: translate(-50%, -50%) scale(0.8); }
    100% { opacity: 1; transform: translate(-50%, -50%) scale(1); }
}

/* Mobile floating controls */
.mobile-nav-overlay {
    display: none;
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(26, 35, 50, 0.8);
    backdrop-filter: blur(30px);
    border: 1px solid rgba(79, 209, 199, 0.2);
    border-radius: 50px;
    padding: 15px 25px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    z-index: 1001;
}

.mobile-nav-controls {
    display: flex;
    align-items: center;
    gap: 20px;
}

.mobile-nav-btn {
    background: rgba(15, 25, 40, 0.9);
    color: #ffffff;
    border: 1px solid rgba(15, 25, 40, 1);
    padding: 10px 18px;
    border-radius: 20px;
    font-weight: 500;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.mobile-nav-btn:hover:not(:disabled) {
    background: rgba(79, 209, 199, 0.9);
    border-color: rgba(79, 209, 199, 1);
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(79, 209, 199, 0.3);
}

.mobile-nav-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

/* Responsive */
@media (max-width: 768px) {
    .header {
        display: none;
    }
    
    .mobile-nav-overlay {
        display: block;
    }
    
    .main {
        margin-top: 0;
        min-height: 100vh;
    }
    
    .nav-btn {
        padding: 15px 25px;
        font-size: 1rem;
    }
    
    .slide-info {
        gap: 8px;
    }
    
    .slide-counter {
        font-size: 0.9rem;
    }
    
    .slide-dot {
        width: 10px;
        height: 10px;
    }
    
    .section-title {
        font-size: 2.5rem;
        font-weight: 100;
        letter-spacing: 0.05em;
    }
    
    .context-cards {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .context-card {
        padding: 25px;
    }
    
    .context-card h3 {
        font-size: 1.2rem;
    }
    
    /* Responsive container widths */
    .sprint-0 .container,
    #concept .container,
    #design .container {
        max-width: 100%;
        padding: 0 15px;
    }
    
    #onderzoek .container {
        max-width: 100%;
        padding: 0 20px;
    }
    
    .research-grid {
        grid-template-columns: 1fr;
        gap: 25px;
    }
    
    .preference-item {
        flex-direction: column;
        text-align: center;
    }
    
    .preference-rank {
        margin-right: 0;
        margin-bottom: 10px;
        align-self: center;
    }
    
    .user-research-content {
        padding: 20px;
    }
    
    .requirements-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .tab-btn {
        min-width: 150px;
        padding: 14px 20px;
        font-size: 0.9rem;
    }
    
    #heatmaps {
        width: 100vw;
        margin-left: -50vw;
        margin-right: -50vw;
        min-height: 100vh;
    }
    
    #heatmaps .container {
        max-width: 100%;
        padding: 0;
        margin: 0;
        width: 100%;
    }
    
    #heatmaps .section-content {
        height: calc(100vh - 160px);
    }
    
    #heatmaps .section-header {
        padding: 15px 20px;
    }
    
    #heatmaps #map {
        min-height: calc(100vh - 260px);
    }
    
    .heatmap-sidebar {
        position: absolute;
        top: 10px;
        left: 10px;
        width: 280px;
        max-height: calc(100vh - 200px);
        overflow-y: auto;
        padding: 12px;
    }

    .heatmap-legend {
        position: absolute;
        bottom: 90px;
        right: 10px;
        left: 10px;
        min-width: auto;
        padding: 12px 15px;
    }

    .search-bottom-bar {
        height: 90px;
        bottom: 110px;
    }

    .search-bottom {
        width: 95%;
        max-width: 500px;
        padding: 12px 15px;
    }
    
    .sidebar-section {
        margin-bottom: 10px;
    }
    
    .sidebar-section h3 {
        font-size: 0.9rem;
        margin-bottom: 8px;
        color: white;
    }
    
    .coldspots-list {
        gap: 6px;
    }
    
    .coldspot-item {
        padding: 8px;
    }
    
    .coldspot-location {
        font-size: 0.8rem;
    }
    
    .coldspot-time {
        font-size: 0.7rem;
    }
    
    .search-container {
        flex-direction: column;
        gap: 8px;
    }
    
    .search-input {
        font-size: 0.8rem;
        padding: 8px 10px;
    }
    
    .search-button {
        font-size: 0.8rem;
        padding: 8px 12px;
    }
    
    .search-bottom {
        position: absolute;
        bottom: 10px;
        left: 10px;
        right: 10px;
        width: auto;
        transform: none;
        padding: 8px 10px;
    }
    
    .legend-item {
        padding: 6px;
    }
    
    .legend-color {
        width: 16px;
        height: 16px;
    }
    
    .legend-item span {
        font-size: 0.8rem;
    }
    
    
    #heatmaps .info-card h3 {
        font-size: 0.9rem;
        margin-bottom: 5px;
    }
    
    #heatmaps .info-card p {
        font-size: 0.75rem;
        line-height: 1.3;
    }
    
    .design-showcase {
        grid-template-columns: 1fr;
    }
    
    .concept-flow {
        flex-direction: column;
    }
    
    .heatmaps-container {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .research-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .concept-hero {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .concept-title {
        font-size: 2.5rem;
        font-weight: 100;
        letter-spacing: 0.05em;
    }
    
    .research-tabs {
        flex-direction: column;
        gap: 15px;
        padding: 15px 20px;
    }
    
    .tab-btn {
        width: 100%;
        text-align: center;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .channels-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .countries-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .comparison-table-container {
        font-size: 0.85rem;
    }
    
    .comparison-table th,
    .comparison-table td {
        padding: 12px 8px;
    }
    
    .comparison-table td:first-child {
        min-width: 100px;
    }
    
    .solutions-categories {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
     .stat-highlight {
         flex-direction: column;
         text-align: center;
         gap: 15px;
     }

     .conclusie-grid {
         grid-template-columns: 1fr;
         gap: 20px;
     }

     .conclusie-card {
         padding: 20px;
     }

     .swot-grid {
         grid-template-columns: 1fr;
         gap: 20px;
     }

     .swot-card {
         padding: 25px;
     }

     .swot-card h3 {
         font-size: 1.2rem;
     }

     /* Logo Gallery Responsive */
    .logo-gallery-section {
        padding: 20px;
        margin-top: 40px;
    }

    .logo-layout {
        display: block;
    }

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

    .logo-option {
        padding: 10px;
        min-height: 100px;
    }

     .logo-mockup {
         padding: 15px 20px;
         gap: 10px;
     }

     .logo-icon {
         width: 40px;
         height: 40px;
         font-size: 1.4rem;
     }

     .logo-text {
         font-size: 1.4rem;
     }

    .logo-image {
        max-width: 320px;
        height: 220px;
        margin: 0;
        padding: 12px;
    }

     .logo-feedback {
         padding: 20px;
     }

     .feedback-actions {
         flex-direction: column;
         align-items: stretch;
         gap: 10px;
     }

     .save-btn {
         width: 100%;
         text-align: center;
     }
}