/* ============================================================
   IWAN VOS — Personal landing
   Design tokens + base + components. Dark-first met auto light.
   ============================================================ */

:root {
  /* Brand */
  --c-blue:    #4778eb;
  --c-purple:  #af68ee;
  --c-coral:   #ff7a59;
  --c-orange:  #f59e0b;
  --c-violet:  #8b5cf6;
  --c-green:   #22c55e;

  /* Surface — dark first */
  --bg:          #0a0c14;
  --bg-elev:     #11141f;
  --bg-card:     #161a28;
  --bg-card-hi:  #1b2032;
  --border:      #232a40;
  --border-hi:   #2e3650;

  /* Tekst */
  --text:       #eef0f8;
  --text-soft:  #aab0c8;
  --text-mute:  #6f7691;

  /* Type */
  --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, monospace;

  /* Spacing */
  --r-sm: 8px; --r-md: 12px; --r-lg: 18px; --r-xl: 24px; --r-2xl: 32px;
  --maxw: 1180px;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg:         #fafbff;
    --bg-elev:    #ffffff;
    --bg-card:    #ffffff;
    --bg-card-hi: #f4f6fc;
    --border:     #e6e9f2;
    --border-hi:  #d4d9e8;
    --text:       #0d0f1a;
    --text-soft:  #4a5070;
    --text-mute:  #8a90a8;
  }
}

* , *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
@media (min-width: 768px) { .container { padding: 0 40px; } }

/* ─── REVEAL ANIMATIE ─── */
.reveal { opacity: 0; transform: translateY(16px); transition: opacity 0.7s ease, transform 0.7s cubic-bezier(.2,.7,.2,1); }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

/* ─── NAV ─── */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  transition: background 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
  border-bottom: 1px solid transparent;
}
.nav--scrolled {
  background: color-mix(in srgb, var(--bg) 78%, transparent);
  backdrop-filter: blur(14px) saturate(1.4);
  -webkit-backdrop-filter: blur(14px) saturate(1.4);
  border-bottom-color: var(--border);
}
.nav__inner { display: flex; align-items: center; justify-content: space-between; height: 68px; gap: 20px; }
.nav__logo { display: flex; align-items: center; gap: 10px; font-weight: 600; }
.nav__logo-mark {
  width: 32px; height: 32px; display: inline-flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--c-blue), var(--c-purple));
  color: white; border-radius: 9px; font-size: 12px; font-weight: 800; letter-spacing: -0.02em;
}
.nav__logo-text { font-size: 15px; letter-spacing: -0.01em; }
.nav__links { display: none; gap: 28px; }
@media (min-width: 768px) { .nav__links { display: flex; } }
.nav__link {
  font-size: 14px; color: var(--text-soft); font-weight: 500;
  transition: color 0.15s;
}
.nav__link:hover { color: var(--text); }
.nav__cta {
  font-size: 13px; font-weight: 600; color: var(--text);
  padding: 8px 14px; border: 1px solid var(--border-hi); border-radius: 999px;
  background: var(--bg-card);
  transition: background 0.15s, border-color 0.15s, transform 0.15s;
}
.nav__cta:hover { background: var(--bg-card-hi); border-color: var(--c-blue); transform: translateY(-1px); }

/* ─── BUTTONS ─── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  font-family: inherit; font-size: 14px; font-weight: 600;
  padding: 11px 20px; border-radius: 999px;
  cursor: pointer; border: 1px solid transparent;
  transition: transform 0.15s, background 0.15s, border-color 0.15s, box-shadow 0.2s;
}
.btn--lg { font-size: 15px; padding: 14px 26px; }
.btn--primary {
  background: linear-gradient(135deg, var(--c-blue), var(--c-purple));
  color: white;
  box-shadow: 0 6px 22px -8px color-mix(in srgb, var(--c-purple) 60%, transparent);
}
.btn--primary:hover { transform: translateY(-2px); box-shadow: 0 12px 32px -10px color-mix(in srgb, var(--c-purple) 70%, transparent); }
.btn--ghost {
  background: transparent; color: var(--text); border-color: var(--border-hi);
}
.btn--ghost:hover { background: var(--bg-card); border-color: var(--c-blue); }

/* ─── HERO ─── */
.hero { position: relative; overflow: hidden; padding: 180px 0 110px; }
.hero__blob { position: absolute; border-radius: 50%; filter: blur(100px); pointer-events: none; opacity: 0.7; }
.hero__blob--1 { width: 620px; height: 620px; top: -200px; left: -160px;
  background: radial-gradient(circle, rgba(71,120,235,0.35) 0%, transparent 70%); }
.hero__blob--2 { width: 540px; height: 540px; top: -140px; right: -150px;
  background: radial-gradient(circle, rgba(175,104,238,0.30) 0%, transparent 70%); }
.hero__blob--3 { width: 460px; height: 460px; bottom: -180px; left: 35%;
  background: radial-gradient(circle, rgba(255,122,89,0.18) 0%, transparent 70%); }
.hero__inner { position: relative; z-index: 1; max-width: 880px; }
.hero__label {
  display: inline-block;
  font-family: var(--font-mono); font-size: 12px; font-weight: 500;
  color: var(--c-blue); letter-spacing: 0.10em; text-transform: uppercase;
  background: color-mix(in srgb, var(--c-blue) 12%, transparent);
  padding: 6px 12px; border-radius: 999px; border: 1px solid color-mix(in srgb, var(--c-blue) 25%, transparent);
  margin-bottom: 22px;
}
.hero__title {
  font-size: clamp(38px, 7vw, 78px);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.035em;
  color: var(--text);
  margin-bottom: 24px;
}
.hero__title-grad {
  background: linear-gradient(120deg, var(--c-blue), var(--c-purple) 50%, var(--c-coral));
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero__sub {
  font-size: clamp(16px, 1.4vw, 19px);
  color: var(--text-soft);
  max-width: 640px;
  line-height: 1.65;
  margin-bottom: 32px;
}
.hero__sub strong { color: var(--text); font-weight: 600; }
.hero__cta { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 40px; }
.hero__pills { display: flex; flex-wrap: wrap; gap: 8px; }
.pill {
  font-size: 13px; color: var(--text-soft); font-weight: 500;
  padding: 7px 14px; border-radius: 999px;
  background: var(--bg-card); border: 1px solid var(--border);
}

/* ─── STORY ─── */
.story { padding: 100px 0; position: relative; }
.story__inner { display: grid; gap: 60px; grid-template-columns: 1fr; align-items: start; }
@media (min-width: 900px) { .story__inner { grid-template-columns: 320px 1fr; gap: 80px; } }

.story__photo { position: relative; width: 260px; }
@media (min-width: 900px) { .story__photo { width: 320px; position: sticky; top: 110px; } }
.story__photo img {
  width: 100%; aspect-ratio: 1; object-fit: cover;
  border-radius: 50%;
  border: 3px solid var(--border-hi);
  position: relative; z-index: 1;
}
.story__photo-ring {
  position: absolute; inset: -14px; border-radius: 50%;
  background: linear-gradient(135deg, var(--c-blue), var(--c-purple), var(--c-coral));
  z-index: 0;
  filter: blur(20px); opacity: 0.45;
}

.story__eyebrow {
  font-family: var(--font-mono); font-size: 12px; font-weight: 500;
  color: var(--c-purple); letter-spacing: 0.10em; text-transform: uppercase;
  margin-bottom: 12px;
}
.story__title {
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 800;
  letter-spacing: -0.025em;
  line-height: 1.15;
  color: var(--text);
  margin-bottom: 28px;
  max-width: 18ch;
}
.story__text p {
  font-size: 16.5px; line-height: 1.75; color: var(--text-soft);
  margin-bottom: 18px;
}
.story__text p:last-child { margin-bottom: 0; }

.story__values {
  margin-top: 44px;
  display: grid; gap: 14px;
  grid-template-columns: 1fr;
}
@media (min-width: 640px) { .story__values { grid-template-columns: 1fr 1fr; } }

.value {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 20px 22px;
  transition: border-color 0.2s, transform 0.2s, background 0.2s;
}
.value:hover { border-color: var(--border-hi); transform: translateY(-3px); }
.value__icon { font-size: 24px; margin-bottom: 10px; }
.value__title { font-size: 15px; font-weight: 700; color: var(--text); margin-bottom: 6px; letter-spacing: -0.01em; }
.value__desc { font-size: 13.5px; color: var(--text-soft); line-height: 1.55; }

/* ─── SECTION-HEAD shared ─── */
.section-head { max-width: 720px; margin: 0 auto 56px; text-align: center; }
.section-eyebrow {
  font-family: var(--font-mono); font-size: 12px; font-weight: 500;
  color: var(--c-blue); letter-spacing: 0.10em; text-transform: uppercase;
  margin-bottom: 12px;
}
.section-title {
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
  color: var(--text);
  margin-bottom: 16px;
}
.section-sub {
  font-size: 17px; color: var(--text-soft); line-height: 1.65;
}

/* ─── BEDRIJVEN ─── */
.bedrijven { padding: 100px 0; background: var(--bg-elev); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.bedrijven__grid {
  display: grid; gap: 28px;
  grid-template-columns: 1fr;
}
@media (min-width: 900px) { .bedrijven__grid { grid-template-columns: 1fr 1fr; } }

.bedrijf {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-2xl);
  padding: 36px 32px;
  display: flex; flex-direction: column; gap: 18px;
  transition: border-color 0.25s, transform 0.25s, box-shadow 0.3s;
  overflow: hidden;
}
.bedrijf::before {
  content: ''; position: absolute; inset: 0;
  border-radius: var(--r-2xl);
  padding: 1px;
  background: linear-gradient(135deg, var(--accent, var(--c-blue)), transparent 50%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude;
  opacity: 0; transition: opacity 0.3s;
  pointer-events: none;
}
.bedrijf:hover { transform: translateY(-4px); box-shadow: 0 24px 60px -20px rgba(0,0,0,0.5); }
.bedrijf:hover::before { opacity: 1; }

.bedrijf--blue   { --accent: var(--c-blue); }
.bedrijf--orange { --accent: var(--c-orange); }
.bedrijf--coral  { --accent: var(--c-coral); }
.bedrijf--violet { --accent: var(--c-violet); }

.bedrijf__head { display: flex; align-items: center; gap: 16px; }
.bedrijf__icon {
  width: 54px; height: 54px;
  display: flex; align-items: center; justify-content: center;
  font-size: 28px;
  background: color-mix(in srgb, var(--accent) 14%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent) 28%, transparent);
  border-radius: var(--r-md);
  flex-shrink: 0;
}
.bedrijf__eyebrow {
  font-family: var(--font-mono); font-size: 11.5px; font-weight: 500;
  color: var(--accent); letter-spacing: 0.10em; text-transform: uppercase;
  margin-bottom: 4px;
}
.bedrijf__naam { font-size: 24px; font-weight: 800; letter-spacing: -0.02em; color: var(--text); }
.bedrijf__tagline { font-size: 15.5px; font-weight: 600; color: var(--text); line-height: 1.5; }
.bedrijf__beschrijving { font-size: 14.5px; color: var(--text-soft); line-height: 1.7; }
.bedrijf__bullets { display: flex; flex-direction: column; gap: 8px; margin-top: 4px; }
.bedrijf__bullets li {
  position: relative; padding-left: 22px;
  font-size: 14px; color: var(--text-soft); line-height: 1.55;
}
.bedrijf__bullets li::before {
  content: '✓'; position: absolute; left: 0; top: 1px;
  width: 16px; height: 16px; border-radius: 50%;
  background: color-mix(in srgb, var(--accent) 22%, transparent);
  color: var(--accent);
  font-size: 10px; font-weight: 800;
  display: flex; align-items: center; justify-content: center;
}
.bedrijf__stats {
  display: flex; gap: 14px; padding-top: 16px; border-top: 1px solid var(--border); margin-top: 4px;
}
.bedrijf__stat { flex: 1; }
.bedrijf__stat-v { font-size: 18px; font-weight: 800; color: var(--text); letter-spacing: -0.02em; }
.bedrijf__stat-l { font-size: 11.5px; color: var(--text-mute); font-weight: 500; margin-top: 2px; }
.bedrijf__link {
  margin-top: 6px;
  display: inline-flex; align-items: center; gap: 4px;
  font-size: 14px; font-weight: 600;
  color: var(--accent);
  transition: gap 0.15s;
}
.bedrijf:hover .bedrijf__link { gap: 10px; }

/* ─── PROJECTEN ─── */
.projecten { padding: 100px 0; }
.projecten__grid {
  display: grid; gap: 18px;
  grid-template-columns: 1fr;
}
@media (min-width: 640px) { .projecten__grid { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1024px) { .projecten__grid { grid-template-columns: repeat(3, 1fr); gap: 22px; } }

.project {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  padding: 24px;
  display: flex; flex-direction: column; gap: 10px;
  transition: border-color 0.2s, transform 0.2s, box-shadow 0.25s, background 0.2s;
}
a.project { cursor: pointer; }
a.project:hover { transform: translateY(-3px); border-color: var(--c-blue); box-shadow: 0 18px 40px -16px rgba(0,0,0,0.5); }
.project__tags { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 4px; }
.tag {
  font-size: 11px; font-weight: 600; letter-spacing: 0.02em;
  color: var(--c-blue);
  background: color-mix(in srgb, var(--c-blue) 12%, transparent);
  border: 1px solid color-mix(in srgb, var(--c-blue) 22%, transparent);
  padding: 3px 9px; border-radius: 999px;
}
.project__title { font-size: 18px; font-weight: 700; letter-spacing: -0.015em; color: var(--text); }
.project__desc { font-size: 13.5px; color: var(--text-soft); line-height: 1.6; flex: 1; }
.project__link { font-size: 13px; font-weight: 600; color: var(--c-blue); margin-top: 6px; }
.project:not(a) .project__link { color: var(--text-mute); font-weight: 500; }

/* ─── CONTACT ─── */
.contact { padding: 100px 0; background: var(--bg-elev); border-top: 1px solid var(--border); }
.contact__inner {
  display: grid; gap: 32px;
  grid-template-columns: 1fr;
  align-items: center;
}
@media (min-width: 900px) { .contact__inner { grid-template-columns: 1.4fr 1fr; gap: 60px; } }
.contact__text .section-head, .contact__text { text-align: left; }
.contact__text .section-eyebrow { margin-bottom: 12px; }
.contact__text .section-title { margin-bottom: 14px; }
.contact__actions { display: flex; flex-direction: column; gap: 12px; align-items: flex-start; }
@media (min-width: 900px) { .contact__actions { align-items: flex-end; } }

/* ─── FOOTER ─── */
.footer { padding: 28px 0; border-top: 1px solid var(--border); background: var(--bg); }
.footer__inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px; }
.footer__copy { font-size: 13px; color: var(--text-mute); }
.footer__links { display: flex; gap: 22px; }
.footer__links a { font-size: 13px; color: var(--text-mute); transition: color 0.15s; }
.footer__links a:hover { color: var(--text); }