/* =========================================================
   ibenvanparidon.nl — Gedeeld stijlblad
   ========================================================= */

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

:root {
  --bg:        #0a0a0f;
  --bg-card:   rgba(255,255,255,0.04);
  --border:    rgba(255,255,255,0.08);
  --accent:    #6c63ff;
  --accent-2:  #00d4aa;
  --text:      #e8e8f0;
  --muted:     #7a7a9a;
  --glow:      rgba(108,99,255,0.35);
  --radius:    14px;
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', sans-serif;
  line-height: 1.65;
  overflow-x: hidden;
}

/* ── Canvas achtergrond ── */
#bg-canvas {
  position: fixed; inset: 0; z-index: 0;
  pointer-events: none; opacity: 0.60;
}

/* ── Navigatie ── */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; justify-content: space-between; align-items: center;
  padding: 1.1rem 4rem;
  background: rgba(10,10,15,0.80);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}
.nav-logo { display: flex; align-items: center; text-decoration: none; gap: .5rem; }
.nav-logo img { height: 34px; width: auto; filter: invert(1) brightness(0.85); }
.nav-logo-text {
  font-family: 'Inter', sans-serif;
  font-size: .95rem; font-weight: 700; letter-spacing: -.01em;
  color: var(--text);
}
.nav-logo-accent {
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── Hamburger (mobiel) ── */
.nav-hamburger {
  display: none;
  flex-direction: column; gap: 5px; cursor: pointer;
  background: none; border: none; padding: .3rem;
}
.nav-hamburger span {
  display: block; width: 22px; height: 2px;
  background: var(--text); border-radius: 2px;
  transition: transform .25s, opacity .25s;
}
.nav-hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; }
.nav-hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }
.nav-links { display: flex; gap: 2.2rem; list-style: none; }
.nav-links a {
  color: var(--muted); text-decoration: none;
  font-size: .83rem; font-weight: 500;
  letter-spacing: .04em; text-transform: uppercase;
  transition: color .2s;
}
.nav-links a:hover,
.nav-links a.active { color: var(--text); }

/* ── Knoppen ── */
.btn {
  display: inline-flex; align-items: center; gap: .5rem;
  padding: .72rem 1.7rem; border-radius: 8px;
  font-size: .88rem; font-weight: 600;
  text-decoration: none; cursor: pointer;
  transition: transform .2s, box-shadow .2s; border: none;
}
.btn-primary {
  background: var(--accent); color: #fff;
  box-shadow: 0 0 24px var(--glow);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 0 42px var(--glow); }
.btn-ghost {
  background: var(--bg-card); color: var(--text);
  border: 1px solid var(--border);
}
.btn-ghost:hover { transform: translateY(-2px); border-color: rgba(255,255,255,.22); }

/* ── Secties ── */
section {
  position: relative; z-index: 1;
  max-width: 1200px; margin: 0 auto;
  padding: 5.5rem 4rem;
}
.section-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: .73rem; color: var(--accent-2);
  letter-spacing: .2em; text-transform: uppercase;
  margin-bottom: .65rem;
}
.section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 800; letter-spacing: -.02em;
  line-height: 1.1; margin-bottom: .85rem;
}
.section-sub {
  color: var(--muted); max-width: 560px;
  margin-bottom: 3rem; font-size: .93rem;
}
.section-divider {
  position: relative; z-index: 1;
  max-width: 1200px; margin: 0 auto; padding: 0 4rem;
}
.section-divider hr { border: none; border-top: 1px solid var(--border); }

/* ── Tags ── */
.tags { display: flex; flex-wrap: wrap; gap: .45rem; margin-top: .9rem; }
.tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: .68rem; padding: .22rem .65rem;
  border-radius: 999px;
  background: rgba(108,99,255,.10);
  color: var(--accent);
  border: 1px solid rgba(108,99,255,.20);
}

/* ── Kaarten ── */
.card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); overflow: hidden;
  transition: border-color .25s, transform .25s, box-shadow .25s;
}
.card:hover {
  border-color: rgba(108,99,255,.4);
  transform: translateY(-4px);
  box-shadow: 0 12px 36px rgba(108,99,255,.10);
}
.card-img { width: 100%; aspect-ratio: 1; object-fit: cover; display: block; }
.card-body { padding: 1.4rem; }
.card-title { font-size: .95rem; font-weight: 700; margin-bottom: .4rem; }
.card-desc { font-size: .82rem; color: var(--muted); line-height: 1.55; }

/* ── Footer ── */
footer {
  position: relative; z-index: 1;
  text-align: center; padding: 1.8rem 4rem;
  border-top: 1px solid var(--border);
  color: var(--muted); font-size: .78rem;
  font-family: 'JetBrains Mono', monospace;
}

/* ── Scroll reveal ── */
.reveal {
  opacity: 0; transform: translateY(26px);
  transition: opacity .65s ease, transform .65s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ── Breadcrumb / page hero ── */
.page-hero {
  position: relative; z-index: 1;
  padding: 9rem 4rem 3.5rem;
  max-width: 1200px; margin: 0 auto;
}
.page-hero .section-label { margin-bottom: .6rem; }
.page-hero h1 {
  font-size: clamp(2.4rem, 5vw, 4rem);
  font-weight: 900; letter-spacing: -.03em;
  background: linear-gradient(135deg, #fff 30%, var(--accent) 70%, var(--accent-2) 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text; line-height: 1.05;
}
.page-hero p {
  margin-top: 1rem; color: var(--muted);
  max-width: 560px; font-size: .95rem;
}

/* ── Responsief ── */
@media (max-width: 900px) {
  nav { padding: 1rem 1.5rem; }
  .nav-links { gap: 1.2rem; }
  .nav-links a { font-size: .75rem; }
  section { padding: 3.5rem 1.5rem; }
  .section-divider { padding: 0 1.5rem; }
  .page-hero { padding: 7rem 1.5rem 2.5rem; }
  footer { padding: 1.5rem; }
}
/* ── Project cards ── */
.projects-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}
.project-card {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 14px; padding: 1.6rem;
  display: flex; flex-direction: column; gap: .9rem;
  transition: border-color .25s, transform .25s, box-shadow .25s;
}
.project-card:hover {
  border-color: rgba(108,99,255,.5);
  transform: translateY(-4px);
  box-shadow: 0 12px 36px rgba(108,99,255,.12);
}
.project-header {
  display: flex; align-items: center; gap: .75rem;
}
.project-icon { font-size: 1.6rem; line-height: 1; flex-shrink: 0; }
.project-name { font-size: 1rem; font-weight: 700; }
.project-desc { font-size: .84rem; color: var(--muted); line-height: 1.65; flex: 1; }
.project-footer { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: .6rem; }

@media (max-width: 600px) {
  .nav-hamburger { display: flex; }
  .nav-links {
    display: none;
    position: absolute; top: 100%; left: 0; right: 0;
    background: rgba(10,10,15,.97);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    flex-direction: column; padding: 1rem 1.5rem;
    gap: 1.1rem; z-index: 200;
  }
  .nav-links.open { display: flex; }
  .projects-grid { grid-template-columns: 1fr; }
}