*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
    --bg:        #0A0F1E;
    --bg2:       #0F1628;
    --surface:   rgba(255,255,255,0.04);
    --border:    rgba(255,255,255,0.08);
    --blue:      #3B82F6;
    --blue-dim:  rgba(59,130,246,0.15);
    --white:     #F8F9FF;
    --muted:     rgba(248,249,255,0.45);
    --font-disp: 'Space Grotesk', sans-serif;
    --font-body: 'Inter', sans-serif;
}
html { scroll-behavior: smooth; }
body { background: var(--bg); color: var(--white); font-family: var(--font-body); font-size: 16px; line-height: 1.6; overflow-x: hidden; }

/* NAV */
nav { position: fixed; top: 0; left: 0; right: 0; z-index: 100; display: flex; justify-content: space-between; align-items: center; padding: 20px 48px; background: rgba(10,15,30,0.6); backdrop-filter: blur(20px); border-bottom: 1px solid var(--border); }
.nav-logo { font-family: var(--font-disp); font-size: 1.2rem; font-weight: 700; letter-spacing: -0.02em; color: var(--white); text-decoration: none; }
.nav-logo span { color: var(--blue); }
.nav-links { display: flex; gap: 36px; list-style: none; }
.nav-links a { font-size: 0.875rem; font-weight: 500; color: var(--muted); text-decoration: none; transition: color 0.2s; letter-spacing: 0.02em; }
.nav-links a:hover { color: var(--white); }
.nav-cta { background: var(--blue); color: #fff !important; padding: 9px 20px; border-radius: 8px; transition: background 0.2s !important; }
.nav-cta:hover { background: #2563eb !important; }

/* HERO */
#hero { min-height: 100vh; display: flex; flex-direction: column; justify-content: center; padding: 120px 48px 80px; position: relative; overflow: hidden; }
#hero-canvas { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; z-index: 0;
    /* TOEVOEGEN VOOR IPHONE STABILITEIT: */
    -webkit-transform: translate3d(0, 0, 0);
    transform: translate3d(0, 0, 0);
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
    perspective: 1000;
}
.hero-content { position: relative; z-index: 1; }
.hero-eyebrow { display: inline-flex; align-items: center; gap: 8px; font-size: 0.75rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--blue); font-weight: 500; margin-bottom: 28px; }
.hero-eyebrow::before { content: ''; width: 24px; height: 1px; background: var(--blue); }
.hero-title { font-family: var(--font-disp); font-size: clamp(3rem, 7vw, 6.5rem); font-weight: 700; line-height: 1.0; letter-spacing: -0.03em; max-width: 40ch; margin-bottom: 32px; }
.hero-title .accent { color: var(--blue); }
.hero-title-main {display: inline-block;white-space: nowrap;}
.mobile-break { display: none; }
.typed-container {display: inline-block;}
.hero-sub { font-size: 1.125rem; color: var(--muted); max-width: 480px; line-height: 1.7; margin-bottom: 52px; }
.hero-actions { display: flex; gap: 16px; align-items: center; flex-wrap: wrap; }
.btn-primary { display: inline-flex; align-items: center; gap: 8px; background: var(--blue); color: #fff; text-decoration: none; padding: 14px 28px; border-radius: 10px; font-weight: 600; font-size: 0.9rem; font-family: var(--font-disp); transition: background 0.2s, transform 0.15s, box-shadow 0.2s; }
.btn-primary:hover { background: #2563eb; transform: translateY(-2px); box-shadow: 0 8px 30px rgba(59,130,246,0.35); }
.btn-secondary { display: inline-flex; align-items: center; gap: 8px; color: var(--white); text-decoration: none; padding: 14px 28px; border-radius: 10px; font-weight: 500; font-size: 0.9rem; border: 1px solid var(--border); transition: border-color 0.2s, background 0.2s; }
.btn-secondary:hover { border-color: rgba(255,255,255,0.2); background: var(--surface); }
.hero-stats { display: flex; gap: 48px; margin-top: 80px; padding-top: 48px; border-top: 1px solid rgba(255,255,255,0.08); position: relative; z-index: 1; }
.stat-num { font-family: var(--font-disp); font-size: 2.25rem; font-weight: 700; letter-spacing: -0.03em; }
.stat-label { font-size: 0.8rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.08em; margin-top: 2px; }
.scroll-line { display: flex; align-items: center; gap: 12px; position: absolute; bottom: 40px; left: 48px; font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--muted); z-index: 1; }
.scroll-line::before { content: ''; width: 1px; height: 40px; background: linear-gradient(to bottom, transparent, var(--muted)); }
.cursor { display: inline-block; width: 3px; height: 0.8em; background: var(--blue); margin-left: 4px; vertical-align: middle; animation: blink 0.9s step-start infinite; }
@keyframes blink { 50% { opacity: 0; } }

/* ABOUT */
#about { padding: 100px 48px; background: var(--bg2); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.section-label { font-size: 0.75rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--blue); font-weight: 500; margin-bottom: 16px; }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: start; }
.about-title { font-family: var(--font-disp); font-size: clamp(2rem, 3.5vw, 3rem); font-weight: 700; letter-spacing: -0.02em; line-height: 1.1; margin-bottom: 0; }
.about-body { color: var(--muted); line-height: 1.8; font-size: 1rem; }
.about-body p { margin-bottom: 16px; }
.about-body p:last-child { margin-bottom: 0; }
.placeholder-note { display: inline-block; background: rgba(59,130,246,0.1); border: 1px dashed rgba(59,130,246,0.4); border-radius: 6px; padding: 4px 10px; font-size: 0.8rem; color: var(--blue); margin-bottom: 12px; }
.skills-list { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 28px; }
.skill-tag { background: var(--surface); border: 1px solid var(--border); border-radius: 6px; padding: 6px 14px; font-size: 0.8rem; color: var(--muted); font-family: var(--font-disp); font-weight: 500; }

/* PORTFOLIO */
#portfolio { padding: 100px 0; }
.portfolio-header { padding: 0 48px; margin-bottom: 48px; }
.portfolio-title { font-family: var(--font-disp); font-size: clamp(2rem, 3.5vw, 3rem); font-weight: 700; letter-spacing: -0.02em; }
.portfolio-sub { color: var(--muted); font-size: 1rem; margin-top: 12px; }
.projects-track { display: flex; gap: 24px; padding: 20px 48px 40px; overflow-x: auto; scrollbar-width: none; cursor: grab; user-select: none; }
.projects-track::-webkit-scrollbar { display: none; }
.projects-track.grabbing { cursor: grabbing; }
.project-card { flex: 0 0 420px; background: var(--surface); border: 1px solid var(--border); border-radius: 16px; overflow: hidden; transition: border-color 0.3s, transform 0.3s; }
.project-card:hover { border-color: rgba(59,130,246,0.4); transform: translateY(-4px); }
.browser-chrome { background: #1a2035; padding: 10px 14px; display: flex; align-items: center; gap: 10px; border-bottom: 1px solid var(--border); }
.browser-dots { display: flex; gap: 6px; }
.browser-dots span { width: 10px; height: 10px; border-radius: 50%; }
.dot-r { background: #FF5F57; } .dot-y { background: #FEBC2E; } .dot-g { background: #28C840; }
.browser-bar { flex: 1; background: rgba(255,255,255,0.06); border-radius: 6px; padding: 4px 10px; font-size: 0.7rem; color: var(--muted); font-family: var(--font-body); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.project-preview { height: 220px; position: relative; overflow: hidden; }
.project-preview img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.project-card:hover .project-preview img { transform: scale(1.05); }
.preview-placeholder { width: 100%; height: 100%; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px; color: var(--muted); font-size: 0.8rem; }
.preview-placeholder .preview-icon { font-size: 2rem; opacity: 0.4; }
.project-info { padding: 20px 24px; }
.project-tag { font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--blue); font-weight: 600; margin-bottom: 8px; }
.project-name { font-family: var(--font-disp); font-size: 1.1rem; font-weight: 600; margin-bottom: 8px; }
.project-desc { font-size: 0.85rem; color: var(--muted); line-height: 1.6; }
.project-link { display: inline-flex; align-items: center; gap: 6px; margin-top: 16px; color: var(--blue); text-decoration: none; font-size: 0.82rem; font-weight: 500; transition: gap 0.2s; }
.project-link:hover { gap: 10px; }
.project-card-add { flex: 0 0 280px; background: transparent; border: 1px dashed rgba(255,255,255,0.12); border-radius: 16px; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 12px; color: var(--muted); cursor: pointer; transition: border-color 0.2s, color 0.2s; padding: 40px; text-align: center; }
.project-card-add:hover { border-color: var(--blue); color: var(--blue); }
.add-icon { font-size: 2rem; opacity: 0.5; }
.add-label { font-size: 0.85rem; font-weight: 500; }

/* SERVICES */
#services { padding: 100px 48px; background: var(--bg2); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 48px; }
.service-card { background: var(--surface); border: 1px solid var(--border); border-radius: 14px; padding: 32px; transition: border-color 0.3s; }
.service-card:hover { border-color: rgba(59,130,246,0.4); }
.service-icon { width: 44px; height: 44px; background: var(--blue-dim); border-radius: 10px; display: flex; align-items: center; justify-content: center; font-size: 1.3rem; margin-bottom: 20px; }
.service-name { font-family: var(--font-disp); font-size: 1.05rem; font-weight: 600; margin-bottom: 10px; }
.service-desc { font-size: 0.875rem; color: var(--muted); line-height: 1.7; }

/* CONTACT */
#contact { padding: 100px 48px; }
.contact-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 80px; align-items: start; margin-top: 48px; }
.contact-intro-title { font-family: var(--font-disp); font-size: 2rem; font-weight: 700; letter-spacing: -0.02em; margin-bottom: 16px; }
.contact-intro-text { color: var(--muted); font-size: 0.95rem; line-height: 1.8; margin-bottom: 32px; }
.contact-detail { display: flex; align-items: center; gap: 14px; padding: 16px 0; border-bottom: 1px solid var(--border); }
.contact-detail:last-child { border-bottom: none; }
.contact-detail-icon { width: 36px; height: 36px; min-width: 36px; background: var(--blue-dim); border-radius: 8px; display: flex; align-items: center; justify-content: center; font-size: 1rem; }
.contact-detail-text span { display: block; font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted); margin-bottom: 2px; }
.contact-detail-text strong { font-size: 0.9rem; }
.contact-form { display: flex; flex-direction: column; gap: 16px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { display: flex; flex-direction: column; gap: 8px; }
.form-group label { font-size: 0.78rem; font-weight: 500; text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted); }
.form-group input, .form-group textarea, .form-group select { background: var(--surface); border: 1px solid var(--border); border-radius: 10px; padding: 13px 16px; color: var(--white); font-family: var(--font-body); font-size: 0.9rem; outline: none; transition: border-color 0.2s; width: 100%; }
.form-group input:focus, .form-group textarea:focus, .form-group select:focus { border-color: var(--blue); }
.form-group textarea { resize: vertical; min-height: 130px; }
.form-group select option { background: #1a2035; }
.form-submit { display: inline-flex; align-items: center; gap: 8px; align-self: flex-start; background: var(--blue); color: #fff; border: none; padding: 14px 32px; border-radius: 10px; font-family: var(--font-disp); font-size: 0.9rem; font-weight: 600; cursor: pointer; transition: background 0.2s, transform 0.15s, box-shadow 0.2s; margin-top: 8px; }
.form-submit:hover { background: #2563eb; transform: translateY(-2px); box-shadow: 0 8px 30px rgba(59,130,246,0.35); }
#form-success { display: none; background: rgba(34,197,94,0.1); border: 1px solid rgba(34,197,94,0.3); border-radius: 10px; padding: 16px 20px; color: #86efac; font-size: 0.9rem; margin-top: 8px; }

/* FOOTER */
footer { padding: 40px 48px; border-top: 1px solid var(--border); display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px; }
.footer-copy { font-size: 0.8rem; color: var(--muted); }
.footer-socials { display: flex; gap: 20px; }
.footer-socials a { color: var(--muted); text-decoration: none; font-size: 0.8rem; transition: color 0.2s; }
.footer-socials a:hover { color: var(--white); }

/* RESPONSIVE */
/* Hamburger — verborgen op desktop */
.nav-hamburger { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 4px; z-index: 200; }
.nav-hamburger span { display: block; width: 22px; height: 2px; background: var(--white); border-radius: 2px; transition: transform 0.3s, opacity 0.3s; }
.nav-hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; }
.nav-hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.mobile-menu { display: none; position: fixed; inset: 0; background: rgba(10,15,30,0.97); backdrop-filter: blur(20px); z-index: 150; flex-direction: column; align-items: center; justify-content: center; gap: 36px; }
.mobile-menu.open { display: flex; }
.mobile-menu a { font-family: var(--font-disp); font-size: 2rem; font-weight: 700; color: var(--white); text-decoration: none; letter-spacing: -0.02em; transition: color 0.2s; }
.mobile-menu a:hover { color: var(--blue); }
.mobile-menu .mobile-cta { background: var(--blue); color: #fff !important; padding: 14px 36px; border-radius: 10px; font-size: 1.2rem; }

@media (max-width: 768px) {
    nav { padding: 14px 20px; }
    .nav-links { display: none; }
    .nav-hamburger { display: flex; }
    
    #hero { padding: 100px 20px 60px; min-height: 100svh; }
    .hero-eyebrow { font-size: 0.7rem; margin-bottom: 20px; }
    .hero-title { font-size: clamp(2.4rem, 8vw, 3.2rem); line-height: 1.2; display: block; max-width: 100% ; margin-bottom: 24px;}
    .hero-title-main { white-space: normal; display: block; max-width: none; }
    .mobile-break { display: inline; }
    .typed-container { display: block ; min-height: 2.4em ; margin-top: 8px ;}
    .hero-sub { font-size: 1rem; margin-bottom: 36px; }
    .hero-actions { flex-direction: column; align-items: stretch; gap: 12px; }
    .btn-primary, .btn-secondary { justify-content: center; padding: 15px 24px; font-size: 1rem; }
    .hero-stats { flex-direction: row; flex-wrap: wrap; gap: 24px 32px; margin-top: 52px; padding-top: 32px; }
    .stat-num { font-size: 1.75rem; }
    .scroll-line { display: none; }
    #about { padding: 72px 20px; }
    .about-grid { grid-template-columns: 1fr; gap: 36px; }
    .about-title { font-size: clamp(1.8rem, 8vw, 2.5rem); }
    #portfolio { padding: 72px 0; }
    .portfolio-header { padding: 0 20px; margin-bottom: 28px; }
    .portfolio-title { font-size: clamp(1.8rem, 7vw, 2.5rem); }
    .projects-track { padding: 12px 20px 32px; gap: 16px; }
    .project-card { flex: 0 0 min(340px, 82vw); }
    .project-preview { height: 180px; }
    #services { padding: 72px 20px; }
    .services-grid { grid-template-columns: 1fr; gap: 14px; margin-top: 32px; }
    .service-card { padding: 24px; }
    #contact { padding: 72px 20px; }
    .contact-grid { grid-template-columns: 1fr; gap: 48px; margin-top: 32px; }
    .contact-intro-title { font-size: 1.6rem; }
    .form-row { grid-template-columns: 1fr; }
    .form-submit { align-self: stretch; justify-content: center; }
    footer { padding: 28px 20px; flex-direction: column; text-align: center; gap: 16px; }
    .footer-socials { flex-wrap: wrap; justify-content: center; gap: 16px; }
}

@media (min-width: 769px) and (max-width: 1024px) {
    nav { padding: 18px 32px; }
    #hero { padding: 110px 32px 72px; }
    .hero-eyebrow { font-size: 0.7rem; margin-bottom: 20px; }
    .hero-title { font-size: clamp(2.4rem, 8vw, 3.2rem); line-height: 1.2; display: flex; flex-direction: column; align-items: flex-start; max-width: 100%; margin-bottom: 24px; }
    .hero-title-main { white-space: nowrap; }
    .mobile-break { display: none; }
    .typed-container { display: block; min-height: 2.4em; margin-top: 8px; }
    .hero-sub { font-size: 1rem; margin-bottom: 36px; }
    .hero-actions { flex-direction: column; align-items: stretch; gap: 12px; }
    .btn-primary, .btn-secondary { justify-content: center; padding: 15px 24px; font-size: 1rem; }
    .hero-stats { flex-direction: row; flex-wrap: wrap; gap: 24px 32px; margin-top: 52px; padding-top: 32px; }
    .stat-num { font-size: 1.75rem; }
    .scroll-line { display: none; }
    #about, #services, #contact { padding-left: 32px; padding-right: 32px; }
    .portfolio-header { padding: 0 32px; }
    .projects-track { padding-left: 32px; padding-right: 32px; }
    footer { padding: 32px; }
    .services-grid { grid-template-columns: repeat(2, 1fr); }
    .about-grid { gap: 48px; }
    .contact-grid { gap: 48px; }
}

@media (prefers-reduced-motion: reduce) { *, .project-preview img { transition: none !important; animation: none !important; } }

.fade-in { opacity: 0; transform: translateY(24px); transition: opacity 0.6s ease, transform 0.6s ease; }
.fade-in.visible { opacity: 1; transform: translateY(0); }