/* ========================================
   BITCOIN UITLEG - GEDEELDE STYLESHEET
   ======================================== */

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

body { 
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; 
    line-height: 1.6; 
    color: #ccc; 
    background: #0a0a0a; 
    overflow-x: hidden;
    padding-top: 80px; /* Ruimte voor fixed navigation */
}

/* Navigation */
.main-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(247, 147, 26, 0.2);
    padding: 20px 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 30px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.2rem;
    color: #f7931a;
}

.nav-logo svg {
    width: 32px;
    height: 32px;
}

.nav-links {
    display: flex;
    gap: 30px;
    list-style: none;
}

.nav-links a {
    color: #ccc;
    text-decoration: none;
    font-size: 0.95rem;
    transition: color 0.3s ease;
    white-space: nowrap;
}

.nav-links a:hover {
    color: #f7931a;
}

.nav-links a.active {
    color: #f7931a;
    font-weight: 600;
}

/* Mobile menu toggle */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    color: #f7931a;
    font-size: 1.5rem;
    cursor: pointer;
}

/* Breadcrumbs */
.breadcrumbs {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px 30px 0;
    font-size: 0.9rem;
    color: #666;
}

.breadcrumbs a {
    color: #999;
    text-decoration: none;
    transition: color 0.3s ease;
}

.breadcrumbs a:hover {
    color: #f7931a;
}

.breadcrumbs span {
    margin: 0 8px;
}

/* Sections */
section { 
    position: relative; 
    min-height: 100vh; 
    display: flex; 
    flex-direction: column; 
    justify-content: center; 
    align-items: center; 
    padding: 100px 30px; 
    text-align: center; 
}

section::before { 
    content: ''; 
    position: absolute; 
    inset: 0; 
    background: radial-gradient(circle, rgba(247,147,26,0.05), transparent 70%); 
    pointer-events: none; 
}

.hero { 
    background: linear-gradient(135deg, #0a0a0a, #1a1a1a); 
}

.alt-bg { 
    background: linear-gradient(135deg, #1a1a1a, #0a0a0a); 
}

.container { 
    max-width: 800px; 
    width: 100%; 
    position: relative; 
    z-index: 1; 
}

/* Typography */
h1 { 
    font-size: 3.5rem; 
    font-weight: 700; 
    margin-bottom: 30px; 
    line-height: 1.3;
    padding-bottom: 5px;
    background: linear-gradient(135deg, #f7931a, #ffa726); 
    -webkit-background-clip: text; 
    -webkit-text-fill-color: transparent; 
    background-clip: text; 
}

h2 { 
    font-size: 2.5rem; 
    font-weight: 600; 
    margin-bottom: 40px; 
    color: #fff; 
}

h3 { 
    font-size: 1.8rem; 
    font-weight: 600; 
    margin-bottom: 20px; 
    color: #f7931a; 
}

.subtitle { 
    font-size: 1.4rem; 
    color: #999; 
    margin-top: 20px;
    line-height: 1.6;
    padding-bottom: 5px;
}

p { 
    font-size: 1.2rem; 
    margin-bottom: 25px; 
    line-height: 1.8; 
}

/* Special Text Elements */
.highlight { 
    font-size: 1.5rem; 
    font-weight: 500; 
    color: #f7931a; 
    margin: 40px 0; 
    padding: 30px; 
    background: rgba(247,147,26,0.1); 
    border-radius: 15px; 
    border-left: 4px solid #f7931a; 
}

.comparison { 
    background: rgba(247,147,26,0.05); 
    border-radius: 15px; 
    padding: 30px; 
    margin: 40px 0; 
    border-left: 4px solid #f7931a; 
}

.comparison p { 
    color: #fff; 
}

.cta-text { 
    font-size: 1.4rem; 
    color: #fff; 
    font-weight: 500; 
    margin: 30px 0; 
}

.final-message { 
    font-size: 1.3rem; 
    font-style: italic; 
    color: #999; 
    margin-top: 40px; 
    line-height: 1.8; 
}

.section-number { 
    font-size: 0.9rem; 
    color: #666; 
    text-transform: uppercase; 
    letter-spacing: 2px; 
    margin-bottom: 20px; 
}

/* Bitcoin Symbol */
.bitcoin-symbol { 
    font-size: 4rem; 
    color: #f7931a; 
    margin: 30px 0; 
    display: inline-block; 
}

/* Lists */
.function-list, ul { 
    list-style: none; 
    margin: 30px 0; 
    text-align: left; 
}

.function-item, li { 
    padding: 20px 25px; 
    margin: 15px 0; 
    background: rgba(255,255,255,0.03); 
    border-radius: 10px; 
    border-left: 3px solid #f7931a; 
    transition: all 0.3s ease; 
}

.function-item:hover, li:hover { 
    background: rgba(247,147,26,0.1); 
    transform: translateX(10px); 
}

.function-item strong { 
    color: #f7931a; 
    font-size: 1.3rem; 
}

/* Property Cards */
.properties { 
    display: grid; 
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); 
    gap: 30px; 
    margin: 50px 0; 
}

.property-card { 
    background: rgba(255,255,255,0.03); 
    padding: 40px 30px; 
    border-radius: 15px; 
    border: 1px solid rgba(247,147,26,0.2); 
    transition: all 0.4s ease; 
    position: relative; 
    overflow: hidden; 
}

.property-card::before { 
    content: ''; 
    position: absolute; 
    inset: 0; 
    background: linear-gradient(135deg, rgba(247,147,26,0.1), transparent); 
    opacity: 0; 
    transition: opacity 0.4s; 
}

.property-card:hover { 
    transform: translateY(-10px); 
    border-color: #f7931a; 
    box-shadow: 0 20px 40px rgba(247,147,26,0.2); 
}

.property-card:hover::before { 
    opacity: 1; 
}

.icon { 
    font-size: 3.5rem; 
    margin-bottom: 20px; 
    display: block; 
    position: relative; 
    z-index: 1; 
}

.property-card h3, .property-card p { 
    position: relative; 
    z-index: 1; 
}

/* Resources Section */
.resources-section { 
    text-align: left; 
    margin: 40px 0; 
}

.resource-item { 
    margin-bottom: 25px; 
}

.resource-item a { 
    color: #fff; 
    text-decoration: none; 
    font-weight: 600; 
    font-size: 1.2rem; 
    transition: color 0.3s; 
}

.resource-item a:hover { 
    color: #f7931a; 
}

.resource-item p { 
    color: #ccc; 
    margin-top: 5px; 
}

/* Donation & Contact */
.donation-box { 
    margin: 40px auto; 
    max-width: 500px; 
}

.qr-container { 
    display: inline-block; 
    background: #fff; 
    padding: 15px; 
    border-radius: 12px; 
    box-shadow: 0 4px 10px rgba(0,0,0,0.1); 
}

.qr-container img { 
    width: 200px; 
    height: 200px; 
    display: block; 
}

.lightning-address { 
    margin-top: 15px; 
    font-weight: bold; 
    font-size: 1rem; 
    color: #f7931a; 
    word-break: break-all; 
}

/* Video Container */
.video-container { 
    position: relative; 
    padding-bottom: 56.25%; 
    height: 0; 
    overflow: hidden; 
    max-width: 100%; 
    margin: 40px auto; 
    border-radius: 15px; 
    box-shadow: 0 10px 30px rgba(0,0,0,0.3); 
}

.video-container iframe { 
    position: absolute; 
    top: 0; 
    left: 0; 
    width: 100%; 
    height: 100%; 
    border: none; 
    border-radius: 15px; 
}

/* Animations */
.fade-in { 
    opacity: 0; 
    transform: translateY(30px); 
    transition: opacity 0.8s ease-out, transform 0.8s ease-out; 
}

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

.slide-in-left { 
    opacity: 0; 
    transform: translateX(-50px); 
    transition: opacity 0.8s ease-out, transform 0.8s ease-out; 
}

.slide-in-left.visible { 
    opacity: 1; 
    transform: translateX(0); 
}

.slide-in-right { 
    opacity: 0; 
    transform: translateX(50px); 
    transition: opacity 0.8s ease-out, transform 0.8s ease-out; 
}

.slide-in-right.visible { 
    opacity: 1; 
    transform: translateX(0); 
}

.scale-in { 
    opacity: 0; 
    transform: scale(0.8); 
    transition: opacity 0.8s ease-out, transform 0.8s ease-out; 
}

.scale-in.visible { 
    opacity: 1; 
    transform: scale(1); 
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: rgba(247,147,26,0.9);
    border: none;
    color: #fff;
    font-size: 1.5rem;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0,0,0,0.3);
    z-index: 999;
}

.back-to-top:hover {
    background: #f7931a;
    transform: scale(1.1);
}

.back-to-top.visible {
    display: flex;
}

/* Footer */
.site-footer {
    background: #0a0a0a;
    border-top: 1px solid rgba(247,147,26,0.2);
    padding: 60px 30px 30px;
    text-align: center;
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
    margin-bottom: 30px;
}

.footer-links a {
    color: #999;
    text-decoration: none;
    font-size: 0.95rem;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: #f7931a;
}

.footer-note {
    color: #666;
    font-size: 0.9rem;
    margin-top: 20px;
}

/* Related Pages */
.related-pages {
    margin: 60px 0;
    padding: 40px;
    background: rgba(255,255,255,0.02);
    border-radius: 15px;
    border: 1px solid rgba(247,147,26,0.1);
}

.related-pages h3 {
    text-align: center;
    margin-bottom: 30px;
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.related-card {
    background: rgba(255,255,255,0.03);
    padding: 25px;
    border-radius: 12px;
    border-left: 3px solid #f7931a;
    text-decoration: none;
    display: block;
    transition: all 0.3s ease;
}

.related-card:hover {
    background: rgba(247,147,26,0.1);
    transform: translateX(10px);
}

.related-card h4 {
    color: #f7931a;
    margin-bottom: 10px;
    font-size: 1.2rem;
}

.related-card p {
    color: #999;
    font-size: 0.95rem;
    margin: 0;
}

/* Content Markers (for easy editing) */
.editable-content {
    /* Je ziet deze class in de HTML bij secties waar je tekst moet toevoegen */
}

/* Mobile Responsive */
@media (max-width: 968px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(10,10,10,0.98);
        flex-direction: column;
        padding: 20px;
        gap: 15px;
        border-top: 1px solid rgba(247,147,26,0.2);
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .mobile-menu-toggle {
        display: block;
    }
    
    .related-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) { 
    body {
        padding-top: 70px;
    }
    
    h1 { font-size: 2.5rem; } 
    h2 { font-size: 2rem; } 
    section { padding: 80px 20px; } 
    .properties { grid-template-columns: 1fr; }
    
    .nav-container {
        padding: 0 20px;
    }
    
    .footer-links {
        flex-direction: column;
        gap: 15px;
    }
    
    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 45px;
        height: 45px;
        font-size: 1.2rem;
    }
}