:root {
  --bg: #212121;
  --bg-alt: #1a1a1a;
  --surface: #2b2b2b;
  --line: rgba(255, 255, 255, 0.1);
  --text: #f4f4f4;
  --muted: #a9a9a9;
  --accent: #ffa102;
  --radius: 4px;
  --nav-h: 76px;
  --font: "Montserrat", system-ui, -apple-system, "Segoe UI", sans-serif;
}

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

html { scroll-behavior: smooth; scroll-padding-top: var(--nav-h); }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }

a { color: inherit; text-decoration: none; }

h1, h2, h3 {
  margin: 0;
  font-weight: 800;
  line-height: 1.02;
  letter-spacing: -0.02em;
  text-transform: uppercase;
  text-wrap: balance;
}

h1 { font-size: clamp(2.6rem, 8.5vw, 7rem); }
h2 { font-size: clamp(1.9rem, 4.6vw, 3.6rem); }
h3 { font-size: 1.3rem; letter-spacing: 0; }

h1 em, h2 em { font-style: normal; color: var(--accent); }

p { margin: 0 0 1em; }

:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

.container { width: min(1200px, 100% - 48px); margin-inline: auto; }

.eyebrow {
  margin: 0 0 18px;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 16px 30px;
  border: 2px solid var(--accent);
  border-radius: var(--radius);
  background: var(--accent);
  color: #161616;
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  transition: background 0.2s, color 0.2s, transform 0.2s;
}
.btn:hover { background: transparent; color: var(--accent); transform: translateY(-2px); }
.btn--ghost { background: transparent; border-color: var(--line); color: var(--text); }
.btn--ghost:hover { border-color: var(--accent); }
.btn--small { padding: 10px 20px; }
.btn--large {
  padding: 22px 40px;
  font-size: clamp(0.85rem, 2.4vw, 1.1rem);
  text-transform: none;
  letter-spacing: 0.02em;
  overflow-wrap: anywhere;
}

/* Navigation */
.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 50;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 clamp(20px, 4vw, 48px);
  transition: background 0.3s, border-color 0.3s;
  border-bottom: 1px solid transparent;
}
.nav.is-scrolled {
  background: rgba(33, 33, 33, 0.9);
  backdrop-filter: blur(12px);
  border-bottom-color: var(--line);
}
.nav__logo img { width: 150px; }
.nav__links { display: flex; align-items: center; gap: 34px; }
.nav__links a:not(.btn) {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  transition: color 0.2s;
}
.nav__links a:not(.btn):hover { color: var(--text); }
.nav__toggle { display: none; }

/* Hero */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding: calc(var(--nav-h) + 40px) clamp(24px, 6vw, 96px) 80px;
  overflow: hidden;
  background:
    radial-gradient(60% 55% at 85% 20%, rgba(255, 161, 2, 0.16), transparent 70%),
    var(--bg);
}
/* speed lines */
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(115deg, transparent 0 118px, rgba(255, 255, 255, 0.035) 118px 119px);
  mask-image: linear-gradient(to right, transparent 20%, #000);
  pointer-events: none;
}
.hero__inner { position: relative; max-width: 1100px; }
.hero__lead {
  max-width: 560px;
  margin: 30px 0 40px;
  color: var(--muted);
  font-size: clamp(1rem, 1.6vw, 1.2rem);
}
.hero__actions { display: flex; flex-wrap: wrap; gap: 14px; }

/* Marquee */
.marquee {
  overflow: hidden;
  background: var(--accent);
  color: #161616;
  padding: 16px 0;
}
.marquee__track {
  display: flex;
  width: max-content;
  animation: marquee 28s linear infinite;
}
.marquee span {
  padding: 0 28px;
  font-size: 0.95rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  white-space: nowrap;
}
.marquee span::after { content: "/"; margin-left: 56px; opacity: 0.45; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* Sections */
.section { padding: clamp(80px, 11vw, 150px) 0; }
.section--alt { background: var(--bg-alt); }

.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 6vw, 96px); align-items: start; }
.split__text { color: var(--muted); font-size: 1.08rem; padding-top: 38px; }

/* Service cards */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 56px; }
.card {
  padding: 40px 32px 34px;
  background: var(--surface);
  border-top: 3px solid transparent;
  border-radius: var(--radius);
  transition: border-color 0.25s, transform 0.25s;
}
.card:hover { border-top-color: var(--accent); transform: translateY(-6px); }
.card__num { display: block; margin-bottom: 44px; color: var(--accent); font-weight: 800; letter-spacing: 0.1em; }
.card h3 { margin-bottom: 14px; }
.card p { margin: 0; color: var(--muted); font-size: 0.97rem; }

/* Portfolio */
.portfolio__head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 28px;
  margin-bottom: 44px;
}
.filters { display: flex; flex-wrap: wrap; gap: 8px; }
.filter {
  padding: 10px 18px;
  border: 1px solid var(--line);
  border-radius: 100px;
  background: none;
  color: var(--muted);
  font: 600 0.75rem var(--font);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all 0.2s;
}
.filter:hover { color: var(--text); border-color: var(--text); }
.filter.is-active { background: var(--accent); border-color: var(--accent); color: #161616; }

.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-auto-rows: clamp(220px, 26vw, 340px);
  grid-auto-flow: dense;
  gap: 14px;
}
.tile {
  position: relative;
  margin: 0;
  overflow: hidden;
  border-radius: var(--radius);
  /* placeholder until an <img> is added */
  background:
    repeating-linear-gradient(115deg, transparent 0 22px, rgba(255, 255, 255, 0.03) 22px 23px),
    linear-gradient(135deg, #343434, #262626);
}
.tile--wide { grid-column: span 2; }
.tile--tall { grid-row: span 2; }
.tile.is-hidden { display: none; }
.tile:not(:has(img))::before {
  content: "Jouw beeld hier";
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  color: rgba(255, 255, 255, 0.22);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.24em;
  text-transform: uppercase;
}
.tile img, .tile video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.2, 0.7, 0.2, 1);
}
.tile:hover img, .tile:hover video { transform: scale(1.05); }
.tile figcaption {
  position: absolute;
  inset: auto 0 0 0;
  padding: 60px 22px 20px;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.75), transparent);
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.tile figcaption span {
  color: var(--accent);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}
.tile figcaption strong { font-size: 1.1rem; font-weight: 800; text-transform: uppercase; }

/* Steps */
.steps {
  list-style: none;
  margin: 56px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
  counter-reset: step;
}
.steps li { counter-increment: step; padding-top: 24px; border-top: 1px solid var(--line); }
.steps li::before {
  content: "0" counter(step);
  display: block;
  margin-bottom: 18px;
  color: var(--accent);
  font-weight: 800;
  letter-spacing: 0.1em;
}
.steps h3 { margin-bottom: 10px; font-size: 1.1rem; }
.steps p { margin: 0; color: var(--muted); font-size: 0.95rem; }

/* Contact */
.contact {
  background:
    radial-gradient(50% 70% at 50% 100%, rgba(255, 161, 2, 0.14), transparent 70%),
    var(--bg);
}
.contact__inner { text-align: center; }
.contact__lead { margin: 24px auto 40px; color: var(--muted); font-size: 1.1rem; }

/* Footer */
.footer { padding: 36px 0; border-top: 1px solid var(--line); }
.footer__inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px; }
.footer img { width: 130px; }
.footer p { margin: 0; color: var(--muted); font-size: 0.82rem; }

/* Scroll reveal (only when JS is running) */
.js .reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.7s, transform 0.7s; }
.js .reveal.is-visible { opacity: 1; transform: none; }

/* Responsive */
@media (max-width: 900px) {
  .split { grid-template-columns: 1fr; }
  .split__text { padding-top: 0; }
  .cards { grid-template-columns: 1fr; }
  .card__num { margin-bottom: 24px; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 720px) {
  :root { --nav-h: 64px; }
  .nav__logo img { width: 124px; }
  .nav__toggle {
    display: grid;
    gap: 7px;
    width: 44px;
    height: 44px;
    padding: 10px;
    place-content: center;
    background: none;
    border: 0;
    cursor: pointer;
  }
  .nav__toggle span { display: block; width: 24px; height: 2px; background: var(--text); transition: transform 0.25s; }
  .nav__toggle[aria-expanded="true"] span:first-child { transform: translateY(4.5px) rotate(45deg); }
  .nav__toggle[aria-expanded="true"] span:last-child { transform: translateY(-4.5px) rotate(-45deg); }
  .nav__links {
    position: fixed;
    inset: var(--nav-h) 0 0 0;
    flex-direction: column;
    justify-content: center;
    gap: 30px;
    background: var(--bg);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.25s, visibility 0.25s;
  }
  .nav__links.is-open { opacity: 1; visibility: visible; }
  .nav__links a:not(.btn) { font-size: 1.1rem; color: var(--text); }
  .nav:has(.is-open) { background: var(--bg); }
}

@media (max-width: 560px) {
  .grid { grid-template-columns: 1fr; grid-auto-rows: 240px; }
  .tile--wide { grid-column: auto; }
  .tile--tall { grid-row: auto; }
  .steps { grid-template-columns: 1fr; }
  .hero__actions .btn { flex: 1 1 100%; text-align: center; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .marquee__track { animation: none; }
  .js .reveal { opacity: 1; transform: none; transition: none; }
  * { transition-duration: 0.01ms !important; }
}