/* Stedenbouw 800 — jubileumpropositie (80 jaar, 800ste editie, oktober 2026)
   Palet: nevel #F5F7F9 · petrol #1E3A4C / Stedenbouw-blauw #285770 · lucht #DCE6EC / #A9C4D3
   oranje #E07A45 · rood #C74A3B · serif: Source Serif 4 · sans: Helvetica-stack */

@font-face {
  font-family: "Source Serif 4";
  src: url("fonts/SourceSerif4-latin.woff2") format("woff2");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Source Serif 4";
  src: url("fonts/SourceSerif4-Italic-latin.woff2") format("woff2");
  font-weight: 100 900;
  font-style: italic;
  font-display: swap;
}

:root {
  --bg: #f5f7f9;
  --paper: #ffffff;
  --petrol: #1e3a4c;
  --petrol-deep: #16303f;
  --blue: #285770;
  --blue-soft: #3d6e86;
  --sky: #dce6ec;
  --sky-text: #a9c4d3;
  --orange: #e07a45;
  --orange-deep: #c9612f;
  --red: #c74a3b;
  --red-deep: #8f3129;
  --ink: #1e2a33;
  --muted: #55636d;
  --line: #dfe6ea;
  --serif: "Source Serif 4", Georgia, "Times New Roman", serif;
  --sans: "Helvetica Neue", Helvetica, Arial, system-ui, sans-serif;
  --radius-lg: 26px;
  --radius-md: 16px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.65;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; }
ul { list-style: none; }

.wrap { max-width: 1240px; margin: 0 auto; padding: 0 24px; }

/* ---------- typografie ---------- */

.eyebrow {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--blue-soft);
  margin-bottom: 18px;
}
h1, h2, h3 {
  font-family: var(--serif);
  font-weight: 600;
  line-height: 1.08;
  letter-spacing: -0.01em;
  color: var(--petrol);
}
h2 { font-size: clamp(2.1rem, 4.4vw, 3.3rem); }
.lead { color: var(--muted); }

/* ---------- chips en knoppen ---------- */

.chip {
  display: inline-block;
  font-size: 12.5px;
  font-weight: 700;
  padding: 8px 14px;
  border-radius: 999px;
  background: #fff;
  color: var(--petrol);
  border: 1px solid var(--line);
  line-height: 1.2;
}
.chips { display: flex; flex-wrap: wrap; gap: 8px; }

.btn {
  display: inline-block;
  font-family: var(--sans);
  font-size: 15.5px;
  font-weight: 700;
  line-height: 1;
  padding: 16px 26px;
  border-radius: 999px;
  border: 0;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.btn-petrol {
  background: var(--blue);
  color: #fff;
  box-shadow: 0 5px 0 var(--red-deep);
}
.btn-petrol:hover { transform: translateY(2px); box-shadow: 0 3px 0 var(--red-deep); }
.btn-white {
  background: #fff;
  color: var(--petrol);
  border: 1px solid var(--line);
}
.btn-white:hover { background: var(--bg); }
.btn-light {
  background: var(--sky);
  color: var(--petrol);
}
.btn-light:hover { background: #cfdde6; }
.btn:focus-visible { outline: 3px solid var(--orange); outline-offset: 3px; }

/* ---------- header ---------- */

.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.topbar-in { display: flex; align-items: center; gap: 22px; padding: 14px 0; }
.topbar-logo img { height: 40px; width: auto; }
.topbar-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--petrol);
}
.topbar nav { margin-left: auto; display: flex; align-items: center; gap: 26px; }
.topbar nav a { font-size: 15px; font-weight: 700; text-decoration: none; color: var(--petrol); }
.topbar nav a:not(.btn):hover { color: var(--orange-deep); }
.topbar nav a.btn { color: #fff; }
.topbar .btn { padding: 13px 22px; font-size: 15px; white-space: nowrap; }

/* ---------- logorij ---------- */

.brands { display: flex; justify-content: center; padding: 40px 24px 30px; }
.brands img { height: 46px; width: auto; }

/* ---------- hero ---------- */

.hero { padding: 0 0 26px; }
.hero-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--petrol);
  min-height: 640px;
  display: flex;
  align-items: center;
}
.hero-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(95deg, rgba(30, 58, 76, 0.97) 0%, rgba(30, 58, 76, 0.86) 40%, rgba(30, 58, 76, 0.28) 78%, rgba(30, 58, 76, 0.15) 100%),
    url("img/hero-skyline.jpg") right center / cover no-repeat;
}
.hero-copy { position: relative; max-width: 640px; padding: 80px 24px 90px 64px; color: #fff; }
.hero-copy .eyebrow { color: var(--sky-text); }
.hero-copy h1 { font-size: clamp(2.8rem, 5.8vw, 4.8rem); color: #fff; margin-bottom: 24px; }
.hero-copy h1 span { color: var(--sky-text); }
.hero-copy .lead { color: rgba(255, 255, 255, 0.9); font-size: 19px; max-width: 520px; margin-bottom: 26px; }
.hero-copy .chips { margin-bottom: 28px; }
.hero-copy .chip { background: rgba(255, 255, 255, 0.12); color: #fff; border-color: rgba(255, 255, 255, 0.22); }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; }

.hero-badge {
  position: absolute;
  right: 46px;
  bottom: 40px;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: var(--red);
  color: #fff;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.3);
}
.hero-badge .big { font-family: var(--serif); font-weight: 600; font-size: 68px; line-height: 1; letter-spacing: -0.02em; }
.hero-badge .tag { font-size: 11px; font-weight: 700; letter-spacing: 0.16em; text-transform: uppercase; margin-top: 6px; line-height: 1.5; }

/* ---------- strips ---------- */

.strips {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  margin-bottom: 20px;
}
.strip { padding: 20px 28px; }
.strip + .strip { border-left: 1px solid var(--line); }
.strip .tag { font-size: 11px; font-weight: 700; letter-spacing: 0.16em; text-transform: uppercase; color: var(--blue-soft); margin-bottom: 4px; }
.strip p { font-weight: 700; font-size: 16px; color: var(--petrol); }

/* ---------- platform + doelgroep (donker) ---------- */

.dark-card {
  background: var(--petrol);
  border-radius: var(--radius-lg);
  color: #fff;
  padding: 18px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.7fr);
  gap: 18px;
}
.panel {
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 18px;
  padding: 30px 28px;
  display: flex;
  flex-direction: column;
}
.panel .eyebrow { color: var(--sky-text); }
.panel h3 { color: #fff; font-size: 26px; line-height: 1.2; }
.panel .chips { margin-top: auto; padding-top: 40px; }
.doelgroep {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}
.doelgroep li {
  background: #fff;
  color: var(--petrol);
  font-size: 12.5px;
  font-weight: 700;
  padding: 11px 14px;
  border-radius: 10px;
}

/* ---------- secties ---------- */

section.block { padding: 76px 0 40px; }

.intro { max-width: 720px; }
.intro h2 { margin-bottom: 22px; }

.facts { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-top: 40px; }
.fact {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 30px 26px 32px;
}
.fact-sky { background: var(--sky); border-color: transparent; }
.fact .num {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--petrol);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  display: grid;
  place-items: center;
  margin-bottom: 22px;
}
.fact h3 { font-size: 24px; margin-bottom: 12px; }
.fact p { font-size: 15px; color: var(--muted); }
.fact-sky p { color: #3a4f5c; }

/* ---------- opties (donker) ---------- */

.opties {
  background: var(--petrol);
  border-radius: var(--radius-lg);
  color: #fff;
  padding: 64px 40px 40px;
}
.opties-head {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
  gap: 40px;
  align-items: end;
  margin-bottom: 36px;
}
.opties-head .eyebrow { color: var(--sky-text); }
.opties-head h2 { color: #fff; }
.opties-head .lead { color: rgba(255, 255, 255, 0.78); font-size: 15.5px; max-width: 380px; }
.optie-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.optie {
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 20px;
  padding: 30px 26px 28px;
  display: flex;
  flex-direction: column;
}
.optie-2 { background: rgba(255, 255, 255, 0.05); border-color: rgba(255, 255, 255, 0.28); }
.optie .tag {
  display: inline-block;
  align-self: flex-start;
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  background: rgba(255, 255, 255, 0.12);
  padding: 7px 12px;
  border-radius: 999px;
  margin-bottom: 20px;
}
.optie h3 { color: #fff; font-size: 27px; margin-bottom: 10px; }
.optie > p { color: rgba(255, 255, 255, 0.78); font-size: 15px; margin-bottom: 18px; }
.optie ul li {
  position: relative;
  padding: 11px 0 11px 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  font-size: 14.5px;
}
.optie ul li::before { content: "+"; position: absolute; left: 0; color: var(--sky-text); font-weight: 700; }
.optie ul li:last-child { border-bottom: 1px solid rgba(255, 255, 255, 0.14); }
.optie > ul { margin-bottom: 26px; }
.optie .box {
  margin-top: auto;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 12px;
  padding: 18px 20px;
}
.optie .box b { display: block; font-size: 14px; margin-bottom: 8px; }
.optie .box li { font-size: 12.5px; color: rgba(255, 255, 255, 0.82); line-height: 1.7; }
.optie-foot { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; margin-top: 30px; }
.price-serif { font-family: var(--serif); font-weight: 600; font-size: 36px; line-height: 1; letter-spacing: -0.02em; }
.optie-foot small { display: block; font-size: 12px; color: rgba(255, 255, 255, 0.7); margin-top: 6px; }
.optie .btn { padding: 14px 22px; font-size: 14px; }
.optie-1 .btn { background: rgba(255, 255, 255, 0.14); color: #fff; }
.optie-1 .btn:hover { background: rgba(255, 255, 255, 0.22); }

/* ---------- kanalen ---------- */

.kanalen {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.3fr);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 20px;
}
.kanalen-orange {
  background: linear-gradient(160deg, #e8834a 0%, #d9673a 100%);
  color: #fff;
  min-height: 340px;
  display: grid;
  place-items: center;
  position: relative;
  overflow: hidden;
  text-align: center;
}
.kanalen-orange .rings {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  pointer-events: none;
}
.kanalen-orange .rings span {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.45);
}
.kanalen-orange .rings span:nth-child(1) { width: 300px; height: 300px; }
.kanalen-orange .rings span:nth-child(2) { width: 200px; height: 200px; }
.kanalen-orange .dot {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  border: 3px solid #fff;
  background: rgba(255, 255, 255, 0.85);
  margin: 0 auto 14px;
}
.kanalen-orange p { position: relative; font-family: var(--serif); font-size: 22px; line-height: 1.25; max-width: 240px; }
.kanalen-light { background: var(--sky); padding: 46px 40px; }
.kanalen-light h2 { margin-bottom: 18px; }
.kanalen-light .lead { color: #3a4f5c; font-size: 15.5px; margin-bottom: 26px; max-width: 520px; }

/* ---------- voorbeelden ---------- */

.voorbeelden { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.4fr); gap: 20px; }
.voorbeeld { border-radius: 20px; overflow: hidden; display: grid; grid-template-columns: 140px 1fr; }
.voorbeeld-mag { background: var(--petrol); color: #fff; padding: 26px; gap: 22px; align-items: center; grid-template-columns: 120px 1fr; }
.voorbeeld-mag img { border-radius: 4px; box-shadow: 0 10px 24px rgba(0, 0, 0, 0.35); }
.voorbeeld-mag .eyebrow { color: var(--sky-text); margin-bottom: 8px; }
.voorbeeld-mag h3 { color: #fff; font-size: 22px; margin-bottom: 8px; }
.voorbeeld-mag p { font-size: 13.5px; color: rgba(255, 255, 255, 0.78); }
.voorbeeld-pod { background: #fff; border: 1px solid var(--line); grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.4fr); }
.voorbeeld-pod img { width: 100%; height: 100%; object-fit: cover; }
.voorbeeld-pod .txt { padding: 26px 26px 26px 22px; }
.voorbeeld-pod .eyebrow { margin-bottom: 8px; }
.voorbeeld-pod h3 { font-size: 22px; margin-bottom: 8px; }
.voorbeeld-pod p { font-size: 13.5px; color: var(--muted); }
.more { display: inline-block; margin-top: 14px; font-size: 13.5px; font-weight: 700; color: var(--blue); text-decoration: none; }
.voorbeeld-mag .more { color: var(--sky-text); }
.more:hover { text-decoration: underline; }

/* ---------- linkedin ---------- */

.linkedin {
  background: var(--blue);
  color: #fff;
  border-radius: var(--radius-md);
  padding: 20px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}
.linkedin b { display: block; font-size: 16px; }
.linkedin p { font-size: 14px; color: rgba(255, 255, 255, 0.82); }
.linkedin .btn { padding: 13px 22px; font-size: 14px; }

/* ---------- formulier ---------- */

.form-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 54px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.35fr);
  gap: 52px;
  box-shadow: 0 20px 50px rgba(30, 58, 76, 0.08);
}
.form-intro h2 { margin-bottom: 18px; }
.form-intro .lead { margin-bottom: 22px; max-width: 380px; font-size: 15.5px; }
.form-intro .editie { font-size: 15px; color: var(--petrol); }
.form-intro .editie b { display: block; }

.field { margin-bottom: 20px; }
.field label {
  display: block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 8px;
  color: var(--petrol);
}
.field input, .field textarea, .field select {
  width: 100%;
  font: inherit;
  font-size: 16px;
  color: var(--ink);
  background: #f9f8f4;
  border: 1px solid #d9d4c8;
  border-radius: 10px;
  padding: 13px 16px;
}
.field select { appearance: none; -webkit-appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='10' viewBox='0 0 16 10'%3E%3Cpath d='M1 1l7 7 7-7' fill='none' stroke='%231e3a4c' stroke-width='2'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 16px center; padding-right: 44px; }
.field textarea { min-height: 110px; resize: vertical; }
.field input:focus, .field textarea:focus, .field select:focus { outline: 2px solid var(--blue); outline-offset: 1px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }

/* ---------- projectmanagers ---------- */

.pm-block {
  background: var(--petrol);
  border-radius: var(--radius-lg);
  color: #fff;
  padding: 60px 40px 44px;
}
.pm-block .eyebrow { color: var(--sky-text); }
.pm-block h2 { color: #fff; margin-bottom: 16px; }
.pm-block > .lead { color: rgba(255, 255, 255, 0.8); max-width: 640px; font-size: 15.5px; margin-bottom: 36px; }
.pm-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.pm {
  background: var(--orange);
  border-radius: 16px;
  padding: 24px 22px 26px;
  color: #fff;
}
.pm .tag { font-size: 10.5px; font-weight: 700; letter-spacing: 0.16em; text-transform: uppercase; margin-bottom: 10px; }
.pm h3 { color: #fff; font-size: 24px; margin-bottom: 18px; }
.pm a { display: block; font-size: 14px; font-weight: 700; text-decoration: none; margin-top: 6px; }
.pm a:hover { text-decoration: underline; }

/* ---------- footer ---------- */

footer { margin-top: 60px; border-top: 1px solid var(--line); padding: 22px 0; font-size: 13px; color: var(--muted); }
.footer-in { display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.footer-in b { color: var(--petrol); }

/* ---------- reveal ---------- */

.reveal { opacity: 0; transform: translateY(22px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* ---------- responsief ---------- */

@media (max-width: 1000px) {
  .dark-card { grid-template-columns: 1fr; }
  .doelgroep { grid-template-columns: 1fr 1fr; }
  .opties-head { grid-template-columns: 1fr; gap: 14px; align-items: start; }
  .optie-grid { grid-template-columns: 1fr; }
  .kanalen { grid-template-columns: 1fr; }
  .voorbeelden { grid-template-columns: 1fr; }
  .form-card { grid-template-columns: 1fr; padding: 40px 32px; }
  .pm-grid { grid-template-columns: 1fr; }
  .hero-copy { padding: 64px 30px 260px 40px; }
  .hero-badge { right: 24px; bottom: 24px; width: 170px; height: 170px; }
  .hero-badge .big { font-size: 56px; }
}

@media (max-width: 680px) {
  body { font-size: 16px; }
  .topbar nav a:not(.btn) { display: none; }
  .topbar-label { display: none; }
  .topbar .btn { font-size: 13px; padding: 11px 16px; }
  .brands img { height: 36px; }
  .hero-card { min-height: 0; flex-direction: column; align-items: stretch; }
  .hero-copy { padding: 52px 24px 24px; }
  .hero-badge { position: relative; right: auto; bottom: auto; margin: 0 24px 28px auto; width: 150px; height: 150px; }
  .hero-badge .big { font-size: 48px; }
  .strips { grid-template-columns: 1fr; }
  .strip + .strip { border-left: 0; border-top: 1px solid var(--line); }
  .doelgroep { grid-template-columns: 1fr; }
  .facts { grid-template-columns: 1fr; }
  .opties { padding: 44px 20px 20px; }
  .optie-foot { flex-direction: column; align-items: flex-start; }
  .kanalen-light { padding: 34px 26px; }
  .voorbeeld-mag { grid-template-columns: 90px 1fr; }
  .voorbeeld-pod { grid-template-columns: 1fr; }
  .voorbeeld-pod img { aspect-ratio: 16 / 10; }
  .field-row { grid-template-columns: 1fr; gap: 0; }
  .pm-block { padding: 44px 24px 24px; }
  section.block { padding: 54px 0 28px; }
}