/* =========================================================================
   Traccer — maritime intelligence
   Eigen design system. Geen framework, geen build-step.
   ========================================================================= */

:root {
  /* deep-ocean palet */
  --navy-900: #081521;
  --navy-800: #0b2942;
  --navy-700: #11405f;
  --navy-600: #1a5a80;
  --cyan: #1fb6cc;
  --cyan-2: #3ad0e4;
  --amber: #ffb547;
  --coral: #ff6b5e;

  /* neutraal */
  --paper: #ffffff;
  --foam: #f3f7fb;
  --foam-2: #e9f1f7;
  --ink: #0d1f2d;
  --muted: #5a6b78;
  --line: #e2e9f0;
  --line-dark: rgba(255, 255, 255, .14);

  --radius: 14px;
  --radius-sm: 9px;
  --shadow: 0 18px 40px -24px rgba(8, 21, 33, .45);
  --shadow-soft: 0 8px 24px -16px rgba(8, 21, 33, .5);

  --maxw: 1140px;
  --pad: clamp(1.1rem, 4vw, 2rem);

  --font-head: "Space Grotesk", system-ui, sans-serif;
  --font-body: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4 {
  font-family: var(--font-head);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -.01em;
  margin: 0 0 .5em;
}

h1 { font-size: clamp(2rem, 5vw, 3.3rem); }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.4rem); }
h3 { font-size: 1.25rem; }

p { margin: 0 0 1rem; }

a { color: var(--navy-700); text-decoration: none; }
a:hover { color: var(--cyan); }

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

/* i18n: toon één taal -------------------------------------------------- */
body[data-lang="nl"] [data-lang="en"],
body[data-lang="en"] [data-lang="nl"] { display: none !important; }

/* layout helpers ------------------------------------------------------- */
.wrap { max-width: var(--maxw); margin: 0 auto; padding-inline: var(--pad); }

.section { padding: clamp(3rem, 8vw, 6rem) 0; }
.section--tight { padding: clamp(2rem, 5vw, 3.5rem) 0; }
.section--dark { background: var(--navy-800); color: #dceaf2; }
.section--foam { background: var(--foam); }

.section--dark h2, .section--dark h3 { color: #fff; }

.eyebrow {
  font-family: var(--font-head);
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--cyan);
  margin: 0 0 .8rem;
}
.section--dark .eyebrow { color: var(--cyan-2); }

.lead { font-size: 1.15rem; color: var(--muted); max-width: 60ch; }
.section--dark .lead { color: #aec6d4; }

.center { text-align: center; }
.center .lead { margin-inline: auto; }

/* buttons -------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 1rem;
  padding: .8rem 1.5rem;
  border-radius: 100px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }

.btn--primary {
  background: linear-gradient(135deg, var(--cyan) 0%, var(--navy-600) 100%);
  color: #fff;
  box-shadow: 0 10px 24px -10px rgba(31, 182, 204, .7);
}
.btn--primary:hover { color: #fff; }

.btn--ghost {
  background: transparent;
  border-color: var(--line);
  color: var(--ink);
}
.section--dark .btn--ghost,
.hero .btn--ghost { border-color: var(--line-dark); color: #fff; }
.btn--ghost:hover { border-color: var(--cyan); color: var(--cyan); }

.btn--lg { padding: 1rem 1.9rem; font-size: 1.05rem; }

/* header / nav --------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, .9);
  backdrop-filter: saturate(160%) blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  height: 66px;
}
.brand {
  display: flex;
  align-items: center;
  gap: .55rem;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.3rem;
  letter-spacing: -.02em;
  color: var(--navy-800);
}
.brand:hover { color: var(--navy-800); }
.brand img, .brand svg { width: 30px; height: 30px; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.6rem;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-links a {
  font-weight: 500;
  color: var(--ink);
  font-size: .98rem;
}
.nav-links a:hover { color: var(--cyan); }

.nav-right { display: flex; align-items: center; gap: 1rem; }
.nav-login-mobile { display: none; }

/* taalschakelaar */
.lang-switch {
  display: inline-flex;
  border: 1px solid var(--line);
  border-radius: 100px;
  overflow: hidden;
  font-family: var(--font-head);
  font-size: .82rem;
  font-weight: 600;
}
.lang-switch button {
  border: 0;
  background: transparent;
  padding: .35rem .7rem;
  cursor: pointer;
  color: var(--muted);
}
.lang-switch button.active { background: var(--navy-800); color: #fff; }

.nav-toggle {
  display: none;
  background: none;
  border: 0;
  cursor: pointer;
  padding: .3rem;
}
.nav-toggle span {
  display: block;
  width: 24px; height: 2px;
  background: var(--ink);
  margin: 5px 0;
  transition: transform .25s, opacity .25s;
}
/* hamburger -> kruisje wanneer het menu open is */
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* hero ----------------------------------------------------------------- */
.hero {
  position: relative;
  background: radial-gradient(120% 120% at 80% -10%, #14507a 0%, var(--navy-800) 45%, var(--navy-900) 100%);
  color: #eaf4fa;
  overflow: hidden;
}
.hero::after {
  /* subtiel track/radar-motief */
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(180deg, rgba(8, 21, 33, .30) 0%, rgba(8, 21, 33, .42) 100%),
    radial-gradient(circle at 78% 28%, rgba(58, 208, 228, .25), transparent 38%),
    url("../img/hero-bg.png");
  background-size: cover;
  background-position: center right;
  opacity: .9;
  pointer-events: none;
}
.hero .wrap { position: relative; z-index: 1; }

/* leesbaarheid: lichte, zacht uitgeveegde scrim + blur ACHTER de hoofdtekst,
   niet over de hele achtergrond. */
.hero-copy { position: relative; }
.hero-copy::before {
  content: "";
  position: absolute;
  z-index: -1;
  inset: -2rem -2.5rem -1.5rem -2.5rem;
  background: radial-gradient(115% 100% at 30% 45%,
    rgba(8, 21, 33, .60) 0%, rgba(8, 21, 33, .42) 40%, rgba(8, 21, 33, 0) 72%);
  -webkit-backdrop-filter: blur(5px);
  backdrop-filter: blur(5px);
  -webkit-mask-image: radial-gradient(115% 100% at 30% 45%, #000 42%, transparent 72%);
  mask-image: radial-gradient(115% 100% at 30% 45%, #000 42%, transparent 72%);
  pointer-events: none;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 2.5rem;
  align-items: center;
  padding: clamp(3rem, 9vw, 6.5rem) 0;
}
.hero h1 { color: #fff; text-shadow: 0 2px 18px rgba(8, 21, 33, .55); }
.hero .lead { color: #d4e7f1; font-size: 1.25rem; text-shadow: 0 1px 10px rgba(8, 21, 33, .65); }
.hero-cta { display: flex; flex-wrap: wrap; gap: .9rem; margin-top: 1.8rem; }
.hero-trust {
  margin-top: 2.2rem;
  display: flex;
  flex-wrap: wrap;
  gap: 1.6rem;
  font-size: .9rem;
  color: #9fbccd;
}
.hero-trust b { color: #fff; font-family: var(--font-head); }

.hero-visual {
  border-radius: var(--radius);
  border: 1px solid var(--line-dark);
  background: rgba(8, 21, 33, .35);
  box-shadow: var(--shadow);
  overflow: hidden;
}

/* KPI tiles ------------------------------------------------------------ */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1rem;
}
.kpi {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.3rem;
  text-align: center;
}
.section--dark .kpi {
  background: rgba(255, 255, 255, .05);
  border-color: var(--line-dark);
}
.kpi .num {
  font-family: var(--font-head);
  font-size: 2rem;
  font-weight: 700;
  color: var(--navy-700);
  font-variant-numeric: tabular-nums;
}
.section--dark .kpi .num { color: var(--cyan-2); }
.kpi .label { font-size: .85rem; color: var(--muted); }
.section--dark .kpi .label { color: #9fbccd; }

/* feature grid --------------------------------------------------------- */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.4rem;
}
.card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.6rem;
  box-shadow: var(--shadow-soft);
}
.card .ico {
  width: 44px; height: 44px;
  display: grid; place-items: center;
  border-radius: 11px;
  background: var(--foam-2);
  color: var(--navy-700);
  margin-bottom: 1rem;
}
.card h3 { margin-bottom: .4rem; }
.card p { color: var(--muted); margin: 0; font-size: .96rem; }

/* pricing -------------------------------------------------------------- */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.4rem;
  align-items: stretch;
}
.price-card {
  position: relative;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 2rem 1.7rem;
  display: flex;
  flex-direction: column;
}
.price-card--featured {
  border: 2px solid var(--cyan);
  box-shadow: 0 24px 50px -28px rgba(31, 182, 204, .65);
  transform: translateY(-8px);
}
.price-badge {
  position: absolute;
  top: -13px; left: 50%; transform: translateX(-50%);
  background: var(--cyan);
  color: #04222b;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: .72rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: .3rem .9rem;
  border-radius: 100px;
}
.price-card h3 { font-size: 1.4rem; margin-bottom: .2rem; }
.price-card .tagline { color: var(--muted); font-size: .92rem; min-height: 2.6em; }
.price {
  font-family: var(--font-head);
  margin: 1rem 0 .2rem;
}
.price .amount { font-size: 2.6rem; font-weight: 700; color: var(--ink); }
.price .per { color: var(--muted); font-size: .95rem; }
.price-card ul {
  list-style: none;
  margin: 1.3rem 0;
  padding: 0;
  flex: 1;
}
.price-card li {
  position: relative;
  padding: .45rem 0 .45rem 1.7rem;
  font-size: .95rem;
  border-bottom: 1px solid var(--line);
}
.price-card li::before {
  content: "";
  position: absolute;
  left: 0; top: .72rem;
  width: 16px; height: 16px;
  background: var(--cyan);
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='black' d='M9 16.2 4.8 12l-1.4 1.4L9 19 21 7l-1.4-1.4z'/%3E%3C/svg%3E") center/contain no-repeat;
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='black' d='M9 16.2 4.8 12l-1.4 1.4L9 19 21 7l-1.4-1.4z'/%3E%3C/svg%3E") center/contain no-repeat;
}
.price-card .btn { width: 100%; justify-content: center; }
.pricing-note { color: var(--muted); font-size: .9rem; margin-top: 1.6rem; }

/* use-case tabs -------------------------------------------------------- */
.usecase-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.4rem;
}
.usecase {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.6rem;
}
.usecase h3 { display: flex; align-items: center; gap: .6rem; }
.usecase .tag {
  font-family: var(--font-head);
  font-size: .7rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--cyan);
}
.usecase ul { margin: .6rem 0 0; padding-left: 1.1rem; color: var(--muted); }
.usecase li { margin: .35rem 0; }
.usecase q { color: var(--ink); font-style: italic; }

/* demo: map + charts --------------------------------------------------- */
.panel {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
}
.panel-head {
  padding: 1.1rem 1.4rem;
  border-bottom: 1px solid var(--line);
}
.panel-head h3 { margin: 0; }
.panel-head p { margin: .25rem 0 0; color: var(--muted); font-size: .9rem; }
.panel-body { padding: 1.2rem 1.4rem; }

#map, #map-maasvlakte { width: 100%; height: 540px; }

.chart-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.4rem;
}
.chart { width: 100%; height: 360px; }
.chart-note { font-size: .88rem; color: var(--muted); margin: .2rem 1.4rem 1.1rem; }

.legend {
  display: flex;
  flex-wrap: wrap;
  gap: .8rem 1.2rem;
  padding: 1rem 1.4rem;
  border-top: 1px solid var(--line);
  font-size: .85rem;
}
.legend span { display: inline-flex; align-items: center; gap: .4rem; }
.legend i { width: 16px; height: 4px; border-radius: 2px; display: inline-block; }

/* forms / contact ------------------------------------------------------ */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
}
.contactform label {
  display: block;
  margin-bottom: 1rem;
  font-weight: 600;
  font-size: .92rem;
}
.contactform input,
.contactform select,
.contactform textarea {
  width: 100%;
  margin-top: .35rem;
  padding: .75rem .85rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  font: inherit;
  font-weight: 400;
  background: var(--paper);
}
.contactform input:focus,
.contactform select:focus,
.contactform textarea:focus {
  outline: none;
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px rgba(31, 182, 204, .18);
}
.contactform .hp { position: absolute; left: -5000px; }
.form-msg { padding: .9rem 1.1rem; border-radius: var(--radius-sm); margin-bottom: 1.2rem; }
.form-msg.ok { background: #e7f7ef; color: #0a6b46; border: 1px solid #b9e6d0; }
.form-msg.err { background: #fdecea; color: #9b2c22; border: 1px solid #f5c6c0; }
.contact-aside li {
  display: flex; gap: .7rem; align-items: flex-start;
  margin-bottom: 1.1rem; list-style: none;
}
.contact-aside ul { padding: 0; margin: 0; }
.contact-aside .ico {
  flex: none; width: 38px; height: 38px;
  display: grid; place-items: center;
  border-radius: 10px; background: var(--foam-2); color: var(--navy-700);
}

/* prose ---------------------------------------------------------------- */
.prose { max-width: 70ch; }
.prose h2 { margin-top: 2.2rem; }
.prose ul { padding-left: 1.2rem; }
.prose li { margin: .4rem 0; }

/* footer --------------------------------------------------------------- */
.site-footer {
  background: var(--navy-900);
  color: #9fbccd;
  padding: 3.5rem 0 2rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 2rem;
}
.site-footer .brand { color: #fff; }
.site-footer a { color: #9fbccd; }
.site-footer a:hover { color: var(--cyan-2); }
.site-footer h4 {
  font-family: var(--font-head);
  color: #fff; font-size: .9rem;
  text-transform: uppercase; letter-spacing: .08em;
  margin: 0 0 1rem;
}
.footer-links { list-style: none; padding: 0; margin: 0; }
.footer-links li { margin: .45rem 0; }
.footer-bottom {
  margin-top: 2.5rem; padding-top: 1.5rem;
  border-top: 1px solid var(--line-dark);
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 1rem;
  font-size: .85rem;
}

/* badges / misc -------------------------------------------------------- */
.pill {
  display: inline-block;
  background: var(--foam-2);
  color: var(--navy-700);
  font-family: var(--font-head);
  font-size: .78rem;
  font-weight: 600;
  padding: .25rem .75rem;
  border-radius: 100px;
}
.section--dark .pill { background: rgba(255,255,255,.08); color: var(--cyan-2); }

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: center;
}
/* tekstkolommen bovenaan uitlijnen i.p.v. verticaal centreren */
.split:has(.prose) { align-items: start; }

/* responsive ----------------------------------------------------------- */
@media (max-width: 900px) {
  .hero-grid, .split, .form-grid { grid-template-columns: 1fr; }
  .hero-visual { order: -1; }
  .chart-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .pricing-grid { grid-template-columns: 1fr; max-width: 460px; margin-inline: auto; }
  .price-card--featured { transform: none; }

  .nav-toggle { display: block; }
  .nav-right > .btn--primary:not(.nav-login-mobile) { display: none; }
  .nav-login-mobile { display: inline-flex; }
  .nav-links {
    position: absolute;
    top: 66px; left: 0; right: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    padding: .5rem var(--pad);
    display: none;
  }
  .nav-links.open { display: flex; }
  .nav-links li { width: 100%; }
  .nav-links a { display: block; padding: .8rem 0; width: 100%; }
  /* taalkeuze verhuist op mobiel naar binnen het uitklapmenu */
  .nav-links .nav-lang-item {
    padding: .8rem 0;
    border-top: 1px solid var(--line);
  }
}

@media (max-width: 560px) {
  .footer-grid { grid-template-columns: 1fr; }
  #map, #map-maasvlakte { height: 420px; }
}