:root {
    /* --- Neon Hazard Grid Palette --- */

    /* Primaire Neon Accent (Geel) */
    --primary-color: #F7FF00;
    --primary-hover-color: #D4DC00;

    /* Secundaire Neon Accent (Cyaan/Lichtblauw) */
    --secondary-color: #00E5FF;
    --secondary-hover-color: #00B8CC;

    /* Accentkleur (Cyaan voor algemeen gebruik) */
    --accent-color: var(--secondary-color);

    /* Tekstkleuren */
    --text-color: #E0E0E0;            /* Heel lichtgrijs voor body tekst */
    --light-text-color: #A0A0A0;      /* Medium lichtgrijs voor subtiele tekst */
    --dark-text-for-neon-bg: #1A1A1A; /* Donkere tekst voor op lichte neon achtergronden */

    /* Achtergrondkleuren */
    --background-color: #1A1A1A;
    --card-background-color: #252525;
    --hero-bg-color: #121212;

    /* Randen en Schaduwen */
    --border-color: #383838;
    /* Schaduwen kunnen een neon tint hebben voor 'glow' */
    --shadow-color: rgba(0, 0, 0, 0.5);
    --primary-glow-shadow: rgba(247, 255, 0, 0.25); /* Gele gloed schaduw */
    --secondary-glow-shadow: rgba(0, 229, 255, 0.20); /* Cyaan gloed schaduw */


    --font-primary: 'Montserrat', sans-serif;
    --font-secondary: 'Open Sans', sans-serif;

    --container-max-width: 1100px;
    --container-padding: 20px;

    --cursor-glow-color: rgba(247, 255, 0, 0.1); /* Subtiele gele gloed voor dynamic background */
}

/* --- Algemene body en layout aanpassingen --- */
body {
    font-family: var(--font-secondary);
    margin: 0;
    color: var(--text-color);
    background-color: var(--background-color); /* Standaard achtergrond */
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
	-moz-osx-font-smoothing: grayscale;
}

body.has-dynamic-background {
    background-image: radial-gradient(
        circle at 50% 50%,
        var(--cursor-glow-color) 0%,
        var(--background-color) 35%
    );
    background-size: 250% 250%;
    background-position: 50% 50%;
    transition: background-position 0.1s ease-out;
}


.scroll-animate {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.7s ease-out, transform 0.7s ease-out;
    will-change: opacity, transform;
}

.scroll-animate.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* Vertragingen voor scroll-animaties (optioneel) */
.scroll-animate:nth-child(2) { transition-delay: 0.1s; }
.scroll-animate:nth-child(3) { transition-delay: 0.2s; }


.site-main {
    flex-grow: 1;
    width: 100%;
}

.container, .page-content-wrapper {
    width: 100%;
    max-width: var(--container-max-width);
    margin-left: auto;
    margin-right: auto;
    padding: 0 var(--container-padding);
    box-sizing: border-box;
}

.page-content-wrapper > section:not(.hero-section) {
    padding-top: 50px;
    padding-bottom: 50px;
}
.page-content-wrapper > section:not(:last-child) {
    border-bottom: 1px solid var(--border-color);
}


h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-primary);
    font-weight: 700;
    color: var(--text-color); /* Standaard lichte tekst voor koppen op donkere BG */
    margin-top: 0;
}

.section-title {
    font-size: 2.5em;
    color: var(--primary-color); /* Neon Geel voor sectie titels */
    text-align: center;
    margin-bottom: 40px;
    position: relative;
    padding-bottom: 15px;
}
.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background-color: var(--secondary-color); /* Neon Cyaan lijn */
    border-radius: 2px;
}


/* --- Knoppen --- */
.btn {
    display: inline-block;
    font-family: var(--font-primary);
    font-weight: 600;
    font-size: 1em;
    padding: 12px 28px;
    border-radius: 50px;
    text-decoration: none;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    cursor: pointer;
    text-align: center;
}
.btn-primary {
    background-color: var(--primary-color); /* Neon Geel BG */
    color: var(--dark-text-for-neon-bg);    /* Donkere tekst op geel */
    border-color: var(--primary-color);
}
.btn-primary:hover {
    background-color: var(--primary-hover-color);
    border-color: var(--primary-hover-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 10px var(--primary-glow-shadow); /* Gele gloed */
}
.btn-secondary {
    background-color: transparent;
    color: var(--secondary-color); /* Neon Cyaan tekst */
    border-color: var(--secondary-color); /* Neon Cyaan border */
}
.btn-secondary:hover {
    background-color: var(--secondary-color);
    color: var(--dark-text-for-neon-bg); /* Donkere tekst op Cyaan BG */
    border-color: var(--secondary-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 10px var(--secondary-glow-shadow); /* Cyaan gloed */
}


/* --- Header Stijlen --- */
.site-header {
    background-color: var(--card-background-color); /* Donkergrijze header */
    color: var(--text-color);
    padding: 15px 0;
    box-shadow: 0 2px 10px var(--shadow-color);
    width: 100%;
    box-sizing: border-box;
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: background-color 0.3s ease;
}
.header-container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.site-header .logo {
    font-family: var(--font-primary);
    font-size: 1.8em;
    font-weight: 900;
    color: var(--primary-color); /* Neon Geel logo */
    text-decoration: none;
    letter-spacing: -1px;
}
.main-navigation ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
}
.main-navigation li {
    margin-left: 25px;
    margin-bottom: 0;
}
.main-navigation a {
    color: var(--text-color); /* Lichte tekst */
    text-decoration: none;
    font-weight: 600;
    padding: 8px 12px;
    border-radius: 5px;
    transition: color 0.3s ease, background-color 0.3s ease;
    position: relative;
}
.main-navigation a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -2px;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--secondary-color); /* Neon Cyaan underline */
    transition: width 0.3s ease;
}
.main-navigation a:hover,
.main-navigation a.active {
    color: var(--secondary-color); /* Neon Cyaan op hover/active */
}
.main-navigation a:hover::after,
.main-navigation a.active::after {
    width: 100%;
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--secondary-color); /* Neon Cyaan hamburger icon */
    font-size: 1.8em;
    cursor: pointer;
}


/* --- Hero Sectie --- */
.hero-section {
    background-color: var(--hero-bg-color); /* Zeer donkere hero BG */
    padding: 80px var(--container-padding);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
    min-height: 70vh;
    text-align: left;
}
.hero-content {
    flex: 1;
    max-width: 600px;
}
.hero-title {
    font-family: var(--font-primary);
    font-size: 3.5em;
    font-weight: 900;
    color: var(--primary-color); /* Neon Gele hero titel */
    margin-bottom: 20px;
    line-height: 1.2;
    text-shadow: 0 0 8px rgba(247, 255, 0, 0.3); /* Subtiele gele gloed op titel */
}
.hero-subtitle {
    font-size: 1.3em;
    color: var(--light-text-color); /* Medium lichtgrijs voor subtitel */
    margin-bottom: 30px;
    max-width: 500px;
}
.hero-content .btn {
    margin-right: 15px;
    margin-bottom: 10px;
}
.hero-visual {
    flex-shrink: 0;
}
.hero-visual img {
    max-width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.4); /* Iets sterkere schaduw op donkere BG */
}


/* --- Introductie Sectie Stijlen --- */
.intro-section {
    background-color: var(--card-background-color); /* Donkere kaart BG */
    padding: 35px 40px;
    border-radius: 12px;
    margin-bottom: 0;
    text-align: center;
    box-shadow: 0 8px 25px var(--shadow-color);
    border: 1px solid var(--border-color); /* Subtiele border */
}
.intro-section h2 {
    font-family: var(--font-primary);
    color: var(--secondary-color); /* Neon Cyaan voor intro titel */
    margin-top: 0;
    margin-bottom: 15px;
    font-size: 2em;
}
.intro-section p {
    color: var(--text-color);
    line-height: 1.7;
    margin-bottom: 10px;
    font-size: 1.1em;
}
.intro-section em {
    color: var(--light-text-color);
    font-size: 0.95em;
}

/* --- Over Mij Sectie (Alternating) --- */
.about-section .section-title { margin-bottom: 60px; }

.alternating-content .alternating-row {
    display: flex;
    align-items: center;
    gap: 40px;
    margin-bottom: 60px;
}
.alternating-content .alternating-row:last-child {
    margin-bottom: 0;
}
.alternating-image, .alternating-text {
    flex: 1;
}
.alternating-image img {
    width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 10px 25px var(--shadow-color);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid var(--border-color);
}
.alternating-image img:hover {
    transform: scale(1.03);
    box-shadow: 0 15px 35px rgba(0,0,0,0.25);
}
.alternating-text h3 {
    font-size: 1.8em;
    color: var(--secondary-color); /* Cyaan voor subkoppen */
    margin-bottom: 15px;
}
.alternating-text p {
    font-size: 1.05em;
    margin-bottom: 15px;
    line-height: 1.8;
    color: var(--text-color);
}
.alternating-content .alternating-row:nth-child(even) {
    flex-direction: row-reverse;
}

/* --- Tijdlijn Sectie Stijlen --- */
.timeline-section .section-title {
    margin-bottom: 60px;
}

.timeline-container {
    position: relative;
    max-width: 700px;
    margin: 0 auto;
    padding: 0 10px;
}

.timeline-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 30px; /* Positie van de lijn vanaf de linkerkant van timeline-container */
    bottom: 0;
    width: 4px;
    background-color: var(--secondary-color); /* Neon Cyaan lijn */
    border-radius: 2px;
    z-index: 0;
}

.timeline-item {
    position: relative;
    margin-bottom: 40px;
    padding-left: 70px; /* Ruimte voor de dot + marge tot tekst: (positie lijn 30px) + 40px (marge) */
}
.timeline-item:last-child {
    margin-bottom: 0;
}

.timeline-dot {
    position: absolute;
    /*
       Lijn is op 30px van links (in .timeline-container). Breedte lijn = 4px.
       Parent .timeline-item heeft padding-left: 70px.
       'left' voor .timeline-dot is relatief t.o.v. de content-box van .timeline-item.
       Om linkerrand van dot op de lijn te krijgen: 30px (lijn) - 70px (padding) = -40px.
       Dan dot centreren over de lijn: -( (dot_width/2) - (line_width/2) )
       transform: translateX( -( (20px/2) - (4px/2) ) ) = translateX( -(10px - 2px) ) = translateX(-8px);
    */
    left: -40px;
    transform: translateX(-8px);
    top: 8px; /* Verticale uitlijning, pas aan indien nodig */
    width: 20px;
    height: 20px;
    background-color: var(--primary-color); /* Neon Geel */
    border: 3px solid var(--background-color); /* Om "gat" in lijn te maken */
    border-radius: 50%;
    z-index: 1; /* Bovenop de lijn */
}

.timeline-content {
    background-color: var(--card-background-color);
    padding: 15px 20px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 10px var(--shadow-color);
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}
.timeline-item:hover .timeline-content {
    transform: translateY(-3px) scale(1.01);
    box-shadow: 0 8px 15px var(--secondary-glow-shadow);
    border-color: var(--secondary-color);
}

.timeline-content .timeline-date {
    display: block;
    font-size: 0.9em;
    font-weight: 600;
    color: var(--primary-color); /* Neon Geel voor datum */
    margin-bottom: 8px;
}

.timeline-content h3 {
    font-size: 1.3em;
    color: var(--text-color);
    margin-bottom: 8px;
    margin-top: 0;
}

.timeline-content p {
    font-size: 0.95em;
    color: var(--light-text-color);
    line-height: 1.6;
    margin-bottom: 0;
}


/* --- Vaardigheden Sectie --- */
.skills-section .section-title { margin-bottom: 60px; }
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}
.skill-card {
    background-color: var(--card-background-color);
    padding: 30px;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 8px 20px var(--shadow-color);
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
    border: 1px solid var(--border-color);
    position: relative;
}
.skill-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 30px var(--secondary-glow-shadow); /* Cyaan gloed op hover */
    border-color: var(--secondary-color); /* Cyaan border op hover */
}
.skill-icon { /* i tag */
    font-size: 3.5em;
    color: var(--primary-color); /* Neon Geel voor skill iconen */
    margin-bottom: 20px;
    display: block;
    transition: color 0.3s ease, transform 0.3s ease;
}
.skill-card:hover .skill-icon {
    color: var(--primary-hover-color); /* Iets donkerder geel op kaart hover */
    transform: scale(1.1);
}
.skill-card h3 {
    font-size: 1.4em;
    margin-bottom: 10px;
    color: var(--text-color);
}
.skill-card p {
    font-size: 0.95em;
    color: var(--light-text-color);
    line-height: 1.5;
}


/* --- Projecten Sectie --- */
.projects-overview-section .section-title {
    margin-bottom: 20px;
}
.intro-section-project-list {
    text-align: center;
    font-size: 1.1em;
    color: var(--light-text-color);
    max-width: 700px;
    margin: 0 auto 40px auto;
}
.intro-section-project-list em {
    font-size: 0.9em;
    color: var(--primary-color); /* Geel voor nadruk */
}

.project-list {
    list-style-type: none;
    padding: 0;
    margin: 0;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
}
.project-list-item a {
    display: flex;
    align-items: center;
    background-color: var(--card-background-color);
    color: var(--text-color);
    font-size: 1.1em;
    font-weight: 600;
    padding: 20px 25px;
    border: 1px solid var(--border-color);
    border-left: 5px solid var(--primary-color); /* Neon Geel accent links */
    border-radius: 8px;
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: 0 4px 10px var(--shadow-color);
}
.project-list-item a:hover {
    background-color: #303030;
    color: var(--primary-color);
    border-color: var(--primary-color);
    transform: translateY(-5px) scale(1.02);
    box-shadow: 0 8px 20px var(--primary-glow-shadow);
}
.project-list-item a .project-icon {
    margin-right: 15px;
    font-size: 1.5em;
    width: 30px;
    text-align: center;
    color: var(--secondary-color); /* Neon Cyaan voor project iconen */
    transition: color 0.3s ease;
}
.project-list-item a:hover .project-icon {
    color: var(--secondary-hover-color);
}
.project-list-item a span {
    flex-grow: 1;
}
.no-sites {
    font-style: italic;
    color: var(--light-text-color);
    padding: 25px;
    background-color: var(--card-background-color);
    border-radius: 8px;
    text-align: center;
    grid-column: 1 / -1;
    border: 1px dashed var(--border-color);
}

/* --- Footer Stijlen --- */
.site-footer {
    background-color: #0D0D0D;
    color: var(--light-text-color);
    padding: 60px 0 30px 0;
    text-align: left;
    width: 100%;
    box-sizing: border-box;
    margin-top: auto;
    border-top: 1px solid var(--border-color);
}
.footer-container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}
.footer-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 30px;
    margin-bottom: 40px;
}
.footer-about, .footer-contact-info, .footer-socials {
    flex: 1;
    min-width: 250px;
}
.site-footer h3, .site-footer h4 {
    color: var(--text-color);
    font-family: var(--font-primary);
    margin-bottom: 15px;
}
.site-footer p {
    margin-bottom: 10px;
    font-size: 0.95em;
    line-height: 1.7;
}
.site-footer a {
    color: var(--accent-color);
    text-decoration: none;
    transition: color 0.3s ease;
}
.site-footer a:hover {
    color: var(--primary-color);
    text-decoration: underline;
}
.footer-contact-icons a {
    color: var(--text-color);
    font-size: 1.8em;
    margin-right: 15px;
    transition: color 0.3s ease, transform 0.3s ease;
}
.footer-contact-icons a:hover {
    color: var(--accent-color);
    transform: scale(1.1);
}
.footer-contact-icons a:last-child {
    margin-right: 0;
}
.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid #2a2a2a;
}
.site-footer .fa-heart {
    color: var(--primary-color);
}


/* --- Tooltip Stijlen --- */
.project-tooltip {
    position: fixed;
    background-color: rgba(45, 45, 45, 0.70);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.08);
    color: #fff;
    padding: 12px 18px;
    border-radius: 8px;
    font-size: 0.95em;
    font-family: var(--font-secondary);
    z-index: 10000;
    max-width: 350px;
    box-shadow: 0 6px 20px rgba(0,0,0,0.4);
    pointer-events: none;
    white-space: pre-wrap;
    opacity: 0;
    transform: scale(0.95) translateY(5px);
    transition: opacity 0.15s ease-in-out, transform 0.15s ease-in-out;
    will-change: opacity, transform;
}


/* --- Responsive Aanpassingen --- */
@media (max-width: 992px) { /* Tablet en kleiner */
    .hero-section {
        flex-direction: column;
        text-align: center;
        padding: 60px var(--container-padding);
    }
    .hero-content {
        max-width: 100%;
        margin-bottom: 30px;
    }
    .hero-title { font-size: 2.8em; }
    .hero-subtitle { font-size: 1.1em; }
    .hero-visual img { max-width: 350px; }

    .alternating-content .alternating-row,
    .alternating-content .alternating-row:nth-child(even) {
        flex-direction: column;
        gap: 30px;
    }
    .alternating-image { order: 1; }
    .alternating-text { order: 2; text-align: center; }
}

@media (max-width: 768px) { /* Mobiel */
    .header-container { position: relative; }
    .menu-toggle {
        display: block;
        position: absolute;
        right: var(--container-padding);
        top: 50%;
        transform: translateY(-50%);
    }
    .main-navigation {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: var(--card-background-color);
        box-shadow: 0 5px 10px var(--shadow-color);
        padding: 15px 0;
    }
    .main-navigation.is-open { display: block; }
    .main-navigation ul {
        flex-direction: column;
        align-items: center;
    }
    .main-navigation li {
        margin-left: 0;
        margin-bottom: 10px;
        width: 100%;
        text-align: center;
    }
    .main-navigation a { display: block; padding: 10px 20px; }
    .main-navigation a:hover, .main-navigation a.active {
        background-color: rgba(0, 229, 255, 0.1);
    }

    .section-title { font-size: 2em; }
    .hero-title { font-size: 2.2em; }
    .hero-subtitle { font-size: 1em; }
    .hero-content .btn { display: block; margin: 0 auto 15px auto; max-width: 250px; }

    .page-content-wrapper > section:not(.hero-section) {
        padding-top: 40px;
        padding-bottom: 40px;
    }
    .skills-grid { grid-template-columns: 1fr; }
    .project-list { grid-template-columns: 1fr; }

    /* Tijdlijn responsive aanpassingen */
    .timeline-container::before {
        left: 20px; /* Lijn iets meer naar links op mobiel */
    }
    .timeline-item {
        padding-left: 50px; /* Minder padding voor items */
    }
    .timeline-dot {
        /* Lijn op 20px, padding-left item 50px. Dot breedte 16px, lijn breedte 4px */
        left: -30px; /* (20px lijn pos) - (50px item padding) */
        width: 16px;
        height: 16px;
        border-width: 2px;
        /* transform: translateX( -( (16px/2) - (4px/2) ) ); = translateX(-(8px-2px)); = translateX(-6px) */
        transform: translateX(-6px);
        top: 10px;
    }
    .timeline-content h3 { font-size: 1.2em; }


    .footer-content {
        flex-direction: column;
        text-align: center;
    }
    .footer-contact-icons {
        justify-content: center;
        display: flex;
    }
}

@media (max-width: 600px) {
    .intro-section { padding: 25px 20px; }
    .project-list-item a { font-size: 1em; padding: 15px 20px; }
    .project-tooltip { max-width: 85vw; font-size: 0.85em; }
}

@media (max-width: 480px) {
    .timeline-container::before {
        left: 15px; /* Lijn nog verder naar links voor kleine schermen */
    }
    .timeline-item {
        padding-left: 40px; /* Nog minder padding */
    }
    .timeline-dot {
        /* Lijn op 15px, padding-left item 40px. Dot 16px, lijn 4px */
        left: -25px; /* (15px lijn pos) - (40px item padding) */
        transform: translateX(-6px); /* Blijft -6px voor 16px dot en 4px lijn */
    }
}


/* PDF Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0,0,0,0.85);
    padding-top: 50px;
}

.modal-content {
    background-color: var(--card-background-color);
    margin: auto;
    padding: 20px;
    border: 1px solid var(--border-color);
    width: 80%;
    max-width: 900px;
    height: 85vh;
    position: relative;
    box-shadow: 0 4px 8px 0 rgba(0,0,0,0.2),0 6px 20px 0 rgba(0,0,0,0.19);
}

.modal-content iframe {
    border: none;
    width: 100%;
    height: calc(100% - 40px);
}

.modal-close-button {
    color: var(--light-text-color);
    position: absolute;
    top: 10px;
    right: 25px;
    font-size: 35px;
    font-weight: bold;
    line-height: 1;
}

.modal-close-button:hover,
.modal-close-button:focus {
    color: var(--primary-color);
    text-decoration: none;
    cursor: pointer;
}

.skills-grid .skill-card[data-pdf] {
    cursor: pointer;
}

/* Stijlen voor PDF triggers in tekst (bijv. in tijdlijn) */
.js-pdf-trigger {
    color: var(--secondary-color); /* Neon Cyaan, net als andere links */
    text-decoration: underline;
    text-decoration-style: dotted;
    font-weight: 600; /* Maakt de link iets opvallender */
    transition: color 0.3s ease, text-decoration-style 0.3s ease;
}
.js-pdf-trigger:hover,
.js-pdf-trigger:focus {
    color: var(--primary-color); /* Neon Geel op hover */
    text-decoration-style: solid;
}

/* Stijlen voor mijlpalen lijst in tijdlijn */
.timeline-milestones {
    list-style-type: none;
    padding-left: 0;
    margin-top: 10px;
    margin-bottom: 0;
}

.timeline-milestones li {
    font-size: 0.9em;
    color: var(--light-text-color);
    margin-bottom: 8px; /* Iets meer ruimte tussen items */
    position: relative;
    padding-left: 22px; /* Ruimte voor een icoon */
}

.timeline-milestones li::before {
    content: '\f058'; /* Font Awesome check-circle icoon (solid) */
    font-family: 'Font Awesome 5 Free';
    font-weight: 900; /* Vereist voor solid iconen */
    position: absolute;
    left: 0;
    top: 3px; /* Nette verticale uitlijning */
    color: var(--primary-color); /* Neon Geel voor het icoon */
    font-size: 0.9em; /* Grootte van het icoon */
}

/* Specifieke styling voor de link binnen een mijlpaal als je dat wilt */
.timeline-milestones li .js-pdf-trigger {
    font-weight: normal; /* Als je de standaard link-styling wilt */
     /* Behoud de custom .js-pdf-trigger styling als je dat mooier vindt */
}

.skills-grid .skill-card[data-pdf],
.skills-grid .skill-card[data-url]:not([data-pdf]) { /* :not([data-pdf]) om dubbele styling te voorkomen als JS het ook doet en voorrangsregel */
    cursor: pointer;
}