/* ============================================================
   DRIEHOEK NOORDZEE CHALLENGE — stylesheet
   Merkbasis: Kustzeilers stijlboek (Century Gothic, diepblauw,
   ALL-CAPS koppen) + moderne opbouw à la Scheveningen 500.
   Kleuren zijn afgeleid uit het DNC-logo.
   ============================================================ */

:root {
  /* Merkkleuren uit het logo */
  --diepblauw:   #004a99;   /* trident / ring — hoofdkleur */
  --diepblauw-2: #003a78;   /* donkerder, voor footers/overlays */
  --cyaan:       #009fe3;    /* heldere schijf — accent & taglines */
  --cyaan-licht: #7cc9ef;
  --geel:        #f2b100;    /* driehoek — spaarzaam accent */
  --rood:        #d0021b;    /* KUSTZEILERS-tekst — zeer spaarzaam */

  --inkt:        #12283f;    /* leestekst */
  --grijs:       #5a6b7b;
  --lijn:        #dce4ec;
  --mist:        #f4f7fa;    /* zachte sectie-achtergrond */
  --wit:         #ffffff;

  --max:   1180px;
  --gap:   clamp(1rem, 3vw, 2.5rem);
  --radius: 14px;
  --schaduw: 0 6px 28px rgba(0, 40, 80, .10);
  --schaduw-hover: 0 12px 40px rgba(0, 40, 80, .16);

  /* Century Gothic is een systeemfont op veel machines; met veilige fallbacks. */
  --font-display: "Century Gothic", "Futura", "Questrial", "Trebuchet MS", sans-serif;
  --font-body:    "Century Gothic", "Futura", "Segoe UI", system-ui, -apple-system, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation: none !important; transition: none !important; }
}

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

img { max-width: 100%; display: block; }
a { color: var(--diepblauw); }

.wrap { max-width: var(--max); margin-inline: auto; padding-inline: var(--gap); }

/* ---------- Typografie ---------- */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--diepblauw);
  line-height: 1.12;
  margin: 0 0 .5em;
  letter-spacing: .01em;
}
/* Koppen VOLLEDIG IN HOOFDLETTERS — conform stijlboek */
h1, h2 { text-transform: uppercase; font-weight: 700; }
h1 { font-size: clamp(2rem, 5.5vw, 3.4rem); }
h2 { font-size: clamp(1.5rem, 3.5vw, 2.3rem); }
h3 { font-size: clamp(1.15rem, 2vw, 1.4rem); font-weight: 700; }

/* Taglines & ondertitels: zonder hoofdletter, in afwijkende (cyaan) kleur, kleiner */
.tagline {
  font-family: var(--font-display);
  color: var(--cyaan);
  text-transform: none;
  font-weight: 400;
  font-size: clamp(1rem, 2.2vw, 1.35rem);
  letter-spacing: .02em;
  margin: 0;
}
.eyebrow {
  display: inline-block;
  text-transform: uppercase;
  letter-spacing: .18em;
  font-size: .72rem;
  font-weight: 700;
  color: var(--cyaan);
  margin-bottom: .9rem;
}
p { margin: 0 0 1.1rem; }
.lead { font-size: 1.15rem; color: var(--grijs); }

/* Open bullets — conform stijlboek */
ul.open { list-style: none; padding-left: 0; margin: 0 0 1.2rem; }
ul.open li {
  position: relative;
  padding-left: 1.6rem;
  margin-bottom: .55rem;
}
ul.open li::before {
  content: "";
  position: absolute;
  left: 0; top: .62em;
  width: .55rem; height: .55rem;
  border: 2px solid var(--cyaan);
  border-radius: 50%;
}

/* ---------- Header / navigatie ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--lijn);
}
.nav {
  display: flex; align-items: center; gap: 1rem;
  min-height: 68px;
}
.brand { display: flex; align-items: center; gap: .7rem; text-decoration: none; margin-right: auto; }
.brand img { height: 46px; width: auto; }
.brand .brand-txt { font-family: var(--font-display); line-height: 1; }
.brand .brand-txt b {
  display: block; color: var(--diepblauw);
  text-transform: uppercase; font-size: .95rem; letter-spacing: .02em; font-weight: 700;
}
.brand .brand-txt span { display: block; color: var(--cyaan); font-size: .72rem; }

.menu { display: flex; gap: .25rem; align-items: center; list-style: none; margin: 0; padding: 0; }
.menu a {
  text-decoration: none; color: var(--inkt);
  font-size: .93rem; padding: .5rem .7rem; border-radius: 8px;
  transition: background .15s, color .15s;
}
.menu a:hover { background: var(--mist); color: var(--diepblauw); }
.menu a.active { color: var(--diepblauw); font-weight: 700; }
.menu a.active::after {
  content: ""; display: block; height: 2px; background: var(--geel);
  margin-top: 2px; border-radius: 2px;
}

/* Taalkiezer */
.lang { display: flex; gap: .15rem; margin-left: .5rem; }
.lang button {
  border: 1px solid var(--lijn); background: var(--wit);
  color: var(--grijs); font-family: var(--font-body);
  font-size: .72rem; font-weight: 700; letter-spacing: .04em;
  padding: .3rem .5rem; border-radius: 6px; cursor: pointer;
  text-transform: uppercase; transition: .15s;
}
.lang button:hover { border-color: var(--cyaan); color: var(--diepblauw); }
.lang button.active { background: var(--diepblauw); color: var(--wit); border-color: var(--diepblauw); }

/* Mobiel menu */
.hamburger {
  display: none; border: 0; background: none; cursor: pointer;
  padding: .4rem; margin-left: .25rem;
}
.hamburger span { display: block; width: 24px; height: 2px; background: var(--diepblauw); margin: 5px 0; transition: .2s; }

@media (max-width: 860px) {
  .hamburger { display: block; order: 3; }
  .menu {
    position: fixed; inset: 68px 0 auto 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: var(--wit); border-bottom: 1px solid var(--lijn);
    padding: .5rem var(--gap) 1rem;
    transform: translateY(-120%); transition: transform .25s ease;
    box-shadow: var(--schaduw);
  }
  .menu.open { transform: translateY(0); }
  .menu a { padding: .8rem .4rem; border-bottom: 1px solid var(--mist); }
  .menu a.active::after { display: none; }
  .lang { margin: .6rem 0 0; }
}

/* ---------- Hero ---------- */
.hero {
  position: relative; color: var(--wit);
  min-height: 74vh; display: flex; align-items: flex-end;
  background: var(--diepblauw-2);
  overflow: hidden;
}
.hero::before {
  content: ""; position: absolute; inset: 0;
  background: var(--hero-img) center/cover no-repeat;
  transform: scale(1.04);
}
.hero::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(0,40,80,.15) 0%, rgba(0,40,80,.15) 45%, rgba(0,35,72,.85) 100%);
}
.hero .wrap { position: relative; z-index: 2; padding-block: 3.2rem; width: 100%; }
.hero h1 { color: var(--wit); max-width: 15ch; text-shadow: 0 2px 20px rgba(0,20,40,.4); }
.hero .tagline { color: var(--cyaan-licht); }
.hero-meta {
  display: flex; flex-wrap: wrap; gap: 1.4rem; margin-top: 1.6rem;
  font-family: var(--font-display);
}
.hero-meta .item span { display: block; font-size: .72rem; text-transform: uppercase; letter-spacing: .14em; color: var(--cyaan-licht); }
.hero-meta .item b { font-size: 1.35rem; font-weight: 700; }

/* Compacte pagina-hero (subpagina's) */
.pagehero {
  position: relative; color: var(--wit);
  background: var(--diepblauw); overflow: hidden;
  padding-block: clamp(2.5rem, 7vw, 4.5rem);
}
.pagehero::before {
  content: ""; position: absolute; inset: 0;
  background: var(--hero-img) center/cover no-repeat; opacity: .38;
}
.pagehero::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(120deg, var(--diepblauw-2) 10%, rgba(0,58,120,.55) 100%);
  mix-blend-mode: multiply;
}
.pagehero .wrap { position: relative; z-index: 2; }
.pagehero h1 { color: var(--wit); }
.pagehero .tagline { color: var(--cyaan-licht); }

/* ---------- Knoppen ---------- */
.btn {
  display: inline-flex; align-items: center; gap: .5rem;
  font-family: var(--font-display); font-weight: 700;
  text-decoration: none; cursor: pointer; border: 0;
  padding: .8rem 1.4rem; border-radius: 10px; font-size: .95rem;
  transition: transform .12s, box-shadow .15s, background .15s;
}
.btn-primary { background: var(--geel); color: var(--diepblauw-2); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 22px rgba(242,177,0,.35); }
.btn-ghost { background: rgba(255,255,255,.12); color: var(--wit); border: 1px solid rgba(255,255,255,.5); }
.btn-ghost:hover { background: rgba(255,255,255,.22); }
.btn-outline { background: transparent; color: var(--diepblauw); border: 2px solid var(--diepblauw); }
.btn-outline:hover { background: var(--diepblauw); color: var(--wit); }
.btn-row { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 1.6rem; }

/* ---------- Secties ---------- */
section.block { padding-block: clamp(3rem, 7vw, 5.5rem); }
section.block.mist { background: var(--mist); }
.section-head { max-width: 62ch; margin-bottom: 2.4rem; }

/* 3-spaligs vlak */
.grid { display: grid; gap: var(--gap); }
.grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid.cols-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 900px) { .grid.cols-3, .grid.cols-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px) { .grid.cols-2, .grid.cols-3, .grid.cols-4 { grid-template-columns: 1fr; } }

/* Kaart */
.card {
  background: var(--wit); border: 1px solid var(--lijn);
  border-radius: var(--radius); overflow: hidden;
  transition: transform .18s, box-shadow .18s, border-color .18s;
  display: flex; flex-direction: column;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--schaduw-hover); border-color: var(--cyaan-licht); }
.card .card-img { aspect-ratio: 16/10; object-fit: cover; width: 100%; }
.card .card-body { padding: 1.3rem 1.4rem 1.5rem; }
.card h3 { margin-bottom: .4rem; }
.card p { color: var(--grijs); font-size: .96rem; margin-bottom: 0; }

/* Feature met beeld naast tekst */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(1.5rem, 4vw, 3.5rem); align-items: center; }
.split.reverse .split-media { order: 2; }
.split-media img { border-radius: var(--radius); box-shadow: var(--schaduw); width: 100%; aspect-ratio: 4/3; object-fit: cover; }
@media (max-width: 820px) { .split { grid-template-columns: 1fr; } .split.reverse .split-media { order: 0; } }

/* Statistiek-strook */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--gap); text-align: center; }
.stats .stat b { display: block; font-family: var(--font-display); font-size: clamp(1.8rem, 4vw, 2.6rem); color: var(--diepblauw); line-height: 1; }
.stats .stat span { font-size: .82rem; text-transform: uppercase; letter-spacing: .1em; color: var(--grijs); }
@media (max-width: 620px) { .stats { grid-template-columns: repeat(2, 1fr); gap: 1.5rem; } }

/* ---------- Route / etappe-tijdlijn ---------- */
.route { position: relative; padding-left: 2rem; }
.route::before {
  content: ""; position: absolute; left: 7px; top: .5rem; bottom: .5rem;
  width: 2px; background: linear-gradient(var(--cyaan), var(--diepblauw));
}
.route .leg { position: relative; padding: 0 0 1.8rem 1.4rem; }
.route .leg::before {
  content: ""; position: absolute; left: -2rem; top: .35rem;
  width: 16px; height: 16px; border-radius: 50%;
  background: var(--wit); border: 3px solid var(--cyaan);
}
.route .leg:last-child { padding-bottom: 0; }
.route .leg h3 { margin-bottom: .15rem; }
.route .leg .dist { display: inline-block; font-size: .8rem; font-weight: 700; color: var(--cyaan); letter-spacing: .04em; margin-bottom: .4rem; }
.route .leg p { color: var(--grijs); margin-bottom: 0; }

/* ---------- Agenda ---------- */
.agenda { display: grid; gap: 0; }
.agenda .row {
  display: grid; grid-template-columns: 130px 1fr; gap: 1.2rem;
  padding: 1rem 0; border-bottom: 1px solid var(--lijn); align-items: baseline;
}
.agenda .row:last-child { border-bottom: 0; }
.agenda .date { font-family: var(--font-display); font-weight: 700; color: var(--diepblauw); font-size: .95rem; }
.agenda .ev { color: var(--inkt); }
@media (max-width: 560px){ .agenda .row { grid-template-columns: 1fr; gap: .2rem; } }

/* ---------- Info / definitielijsten ---------- */
.deflist { display: grid; gap: 0; }
.deflist .r { display: grid; grid-template-columns: 240px 1fr; gap: 1rem; padding: .8rem 0; border-bottom: 1px solid var(--lijn); }
.deflist .r dt { font-weight: 700; color: var(--diepblauw); font-family: var(--font-display); }
.deflist .r dd { margin: 0; color: var(--inkt); }
@media (max-width: 620px){ .deflist .r { grid-template-columns: 1fr; gap: .15rem; } }

/* Kader / callout */
.callout {
  border-left: 4px solid var(--geel);
  background: var(--mist);
  padding: 1.2rem 1.4rem; border-radius: 0 var(--radius) var(--radius) 0;
  margin: 1.6rem 0;
}
.callout.veilig { border-left-color: var(--rood); }
.callout h3 { color: var(--diepblauw-2); margin-bottom: .3rem; }
.callout p:last-child { margin-bottom: 0; }

/* Prijzen */
.price-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: var(--gap); }
@media (max-width: 620px){ .price-grid { grid-template-columns: 1fr; } }
.price-card { background: var(--wit); border: 1px solid var(--lijn); border-radius: var(--radius); padding: 1.6rem; text-align: center; }
.price-card .amt { font-family: var(--font-display); font-size: 2.2rem; color: var(--diepblauw); font-weight: 700; }
.price-card .amt small { font-size: .95rem; color: var(--grijs); font-weight: 400; }

/* Bandeau (CTA-strook) */
.bandeau {
  position: relative; color: var(--wit); text-align: center;
  background: var(--diepblauw); overflow: hidden;
  padding-block: clamp(3rem, 7vw, 4.5rem);
}
.bandeau::before {
  content:""; position: absolute; inset: 0;
  background: var(--band-img) center/cover no-repeat; opacity: .25;
}
.bandeau .wrap { position: relative; z-index: 2; }
.bandeau h2 { color: var(--wit); }
.bandeau p { color: var(--cyaan-licht); max-width: 56ch; margin-inline: auto; }

/* Fotoband */
.gallery { display: grid; grid-template-columns: repeat(3, 1fr); gap: .6rem; }
.gallery img { aspect-ratio: 4/3; object-fit: cover; width: 100%; border-radius: 8px; }
@media (max-width: 620px){ .gallery { grid-template-columns: repeat(2,1fr); } }

/* ---------- Footer ---------- */
.site-footer { background: var(--diepblauw-2); color: rgba(255,255,255,.8); padding-block: 3rem 1.5rem; margin-top: 0; }
.site-footer a { color: var(--cyaan-licht); text-decoration: none; }
.site-footer a:hover { color: var(--wit); text-decoration: underline; }
.foot-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr; gap: var(--gap); }
@media (max-width: 720px){ .foot-grid { grid-template-columns: 1fr; gap: 1.8rem; } }
.foot-grid img { height: 64px; width: auto; margin-bottom: .8rem; }
.site-footer h4 { color: var(--wit); text-transform: uppercase; font-size: .85rem; letter-spacing: .08em; }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin-bottom: .4rem; font-size: .93rem; }
.foot-bar { border-top: 1px solid rgba(255,255,255,.15); margin-top: 2.2rem; padding-top: 1.2rem; font-size: .8rem; display: flex; flex-wrap: wrap; justify-content: space-between; gap: .5rem; }

/* Nieuwsbrief-mini */
.newsletter { display: flex; gap: .5rem; margin-top: .6rem; flex-wrap: wrap; }
.newsletter input {
  flex: 1 1 180px; padding: .6rem .8rem; border-radius: 8px; border: 1px solid rgba(255,255,255,.3);
  background: rgba(255,255,255,.1); color: var(--wit); font-family: var(--font-body);
}
.newsletter input::placeholder { color: rgba(255,255,255,.6); }

/* kleine helpers */
.center { text-align: center; }
.mt-0 { margin-top: 0; }
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }