/* style.css */

:root{
  --c-ink: #333b5d;
  --c-slate: #ACBAC4;
  --c-sand: #E1D9BC;
  --c-cream: #dbf0eb;

  /* Fresh blue accents */
  --c-blue: #1f6feb;
  --c-blue-2: #1557c0;
  --c-blue-soft: color-mix(in srgb, var(--c-blue) 12%, transparent);

  --bg: var(--c-cream);
  --hero-bg: #ffffff;
  --surface: #ffffff;

  --text: var(--c-ink);
  --muted: color-mix(in srgb, var(--c-ink) 72%, var(--c-slate));
  --link: var(--c-ink);

  --accent: var(--c-blue);
  --accent-2: var(--c-blue-2);

  --line: color-mix(in srgb, var(--c-ink) 16%, transparent);
  --shadow: 0 0.875rem 2.125rem color-mix(in srgb, var(--c-ink) 14%, transparent);

  --header-overlay: color-mix(in srgb, var(--c-cream) 72%, transparent);
  --hero-overlay: color-mix(in srgb, #ffffff 62%, transparent);
  --surface-soft: color-mix(in srgb, #ffffff 58%, transparent);

  --radius: 0.75rem;
  --radius-2: 1rem;

  --container: 70rem;

  --space-1: 0.5rem;
  --space-2: 0.75rem;
  --space-3: 1rem;
  --space-4: 1.25rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 2.5rem;
  --space-8: 3.5rem;

  --font-s: 0.875rem;
  --font-m: 1rem;
  --font-l: 1.125rem;

  --focus: color-mix(in srgb, var(--c-blue) 45%, transparent);
}

*{ box-sizing:border-box; }
html{ height:100%; font-size: 16px; }
body{ height:100%; }

body{
  margin:0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.55;
}

a{ color: var(--link); text-decoration: none; }
a:hover{ text-decoration: underline; }

:focus-visible{
  outline: 0.1875rem solid var(--focus);
  outline-offset: 0.125rem;
  border-radius: 0.375rem;
}

.container{
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--space-4);
}

/* Header */
.site-header{
  position: sticky;
  top:0;
  z-index: 120;
  background: var(--header-overlay);
  backdrop-filter: blur(0.625rem);
  border-bottom: 0.0625rem solid var(--line);
}

.header-inner{
  display:flex;
  align-items:flex-start;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-2) 0;
}

.brand{
  display:flex;
  align-items:flex-start;
  padding-top: 0.25rem;
}

.brand-logo{
  display:block;
  width: 20rem;
  height: auto;
}

/* Nav bar */
.nav-bar{
  width: fit-content;
  max-width: 66vw;
  margin-left: auto;

  display:flex;
  align-items:center;
  justify-content:flex-end;
  gap: var(--space-2);

  padding: var(--space-2);
  border-radius: var(--radius);
  background: color-mix(in srgb, #ffffff 78%, transparent);
  border: 0.0625rem solid var(--line);
  box-shadow: 0 0.625rem 1.625rem color-mix(in srgb, var(--c-ink) 8%, transparent);
}

.nav-bar a{
  padding: 0.625rem 0.75rem;
  border-radius: 0.625rem;
  color: color-mix(in srgb, var(--c-ink) 82%, transparent);
  font-weight: 800;
  font-size: var(--font-s);
  transition: background 160ms ease, color 160ms ease;
}

.nav-bar a:hover{
  text-decoration:none;
  background: color-mix(in srgb, var(--c-sand) 55%, transparent);
  color: var(--text);
}

/* Fix: menu CTA hover readability (do not inherit nav link hover styles) */
.nav-bar .btn.nav-cta{
  display:inline-flex;
  background: var(--accent);
  border-color: color-mix(in srgb, var(--accent) 34%, transparent);
  color: #fff;
  text-decoration: none;
}
.nav-bar .btn.nav-cta:hover{
  background: var(--accent-2);
  border-color: color-mix(in srgb, var(--accent-2) 40%, transparent);
  color: #fff;
  text-decoration:none;
}

.nav-cta{ display:none; }

/* Buttons */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border: 0.0625rem solid color-mix(in srgb, var(--accent) 28%, transparent);
  cursor: pointer;
  padding: 0.75rem 1rem;
  border-radius: 0.625rem;
  font-weight: 900;
  background: var(--accent);
  color: #fff;
  box-shadow: 0 0.625rem 1.375rem color-mix(in srgb, var(--accent) 20%, transparent);
  transition: background 160ms ease, transform 160ms ease, box-shadow 160ms ease, border-color 160ms ease, color 160ms ease;
}

.btn:hover{
  background: var(--accent-2);
  box-shadow: 0 0.875rem 1.875rem color-mix(in srgb, var(--accent) 26%, transparent);
  text-decoration:none;
}

.btn:active{ transform: translateY(0.0625rem); }

.btn-small{
  padding: 0.625rem 0.75rem;
  font-size: var(--font-s);
}

.btn-ghost{
  background: color-mix(in srgb, #ffffff 92%, transparent);
  color: color-mix(in srgb, var(--c-ink) 92%, transparent);
  border-color: color-mix(in srgb, var(--c-ink) 16%, transparent);
  box-shadow: none;
}

.btn-ghost:hover{
  background: #fff;
  border-color: color-mix(in srgb, var(--accent) 35%, transparent);
  color: var(--text);
}

/* Hero */
.hero{
  position: relative;
  overflow: hidden;
  border-bottom: 0.0625rem solid var(--line);
  background: var(--hero-bg);
}

.hero-bg{
  position:absolute;
  inset: 0;
  background-image: url("/img/inter-view.nl-line-art.png");
  background-repeat: no-repeat;
  background-position: right center;
  background-size: clamp(38.75rem, 56vw, 66.25rem);
}

.hero-tint{
  position:absolute;
  inset:0;
  background: var(--hero-overlay);
}

.hero-grid{
  position: relative;
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
  min-height: 72vh;
  align-items: center;
  padding: var(--space-8) 0;
}

.hero-copy{ max-width: 40rem; }

.eyebrow{
  display:block;
  margin: 0 0 var(--space-2);
  font-weight: 800;
  font-size: 0.8125rem;
  color: color-mix(in srgb, var(--c-ink) 66%, transparent);
  letter-spacing: 0.01em;
}

h1{
  margin: var(--space-3) 0 var(--space-3);
  letter-spacing: -0.03em;
  line-height: 1.08;
  font-size: clamp(1.875rem, 4vw, 3.125rem);
}

.lead{
  margin: 0 0 var(--space-3);
  color: var(--muted);
  font-size: var(--font-m);
  max-width: 72ch;
}

.hero-actions{
  display:flex;
  gap: var(--space-3);
  flex-wrap: wrap;
  margin-top: var(--space-3);
}

/* Key points lijst */
.key-points{
  list-style: none;
  padding: 0;
  margin: var(--space-5) 0 0;
  display: grid;
  gap: var(--space-2);
}

.key-points li{
  display: flex;
  align-items: baseline;
  gap: var(--space-3);
  font-size: 0.9375rem;
  color: var(--muted);
}

.key-points strong{
  color: var(--text);
  font-weight: 900;
}

.key-points .marker{
  font-weight: 900;
  color: var(--accent);
  letter-spacing: -0.02em;
  flex-shrink: 0;
}

/* Sections */
.section{
  padding: var(--space-8) 0;
  background: var(--bg);
}

.section-soft{
  background: var(--surface-soft);
  border-top: 0.0625rem solid var(--line);
  border-bottom: 0.0625rem solid var(--line);
}

.section-head{
  margin-bottom: var(--space-4);
}

.section-head h2{
  margin: 0 0 var(--space-2);
  letter-spacing: -0.02em;
  font-size: clamp(1.375rem, 2.4vw, 2.125rem);
}

.section-head p{
  margin: 0;
  color: var(--muted);
  max-width: 86ch;
}

.split{
  display:grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--space-4);
}

/* Panels */
.panel{
  background: color-mix(in srgb, #ffffff 86%, transparent);
  border: 0.0625rem solid var(--line);
  border-radius: var(--radius);
  padding: var(--space-4);
  box-shadow: 0 0.625rem 1.5rem color-mix(in srgb, var(--c-ink) 8%, transparent);
}

.panel-accent{
  border-color: color-mix(in srgb, var(--accent) 26%, transparent);
}

.panel h3{
  margin: 0 0 var(--space-2);
  letter-spacing: -0.01em;
}

.panel p{
  margin: 0 0 var(--space-3);
  color: var(--muted);
  max-width: 90ch;
}

.mt{ margin-top: var(--space-4); }

.panel-actions{ margin-top: var(--space-2); }

.panel-note{
  margin: var(--space-3) 0 0;
  color: color-mix(in srgb, var(--c-ink) 66%, transparent);
}

/* Bullets */
.bullets{
  margin: var(--space-3) 0 0;
  padding-left: var(--space-4);
  color: color-mix(in srgb, var(--c-ink) 82%, transparent);
  font-weight: 800;
}

.bullets li{ margin: 0.375rem 0; }

/* FAQ */
.faq{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2);
}

.qa{
  background: color-mix(in srgb, #ffffff 82%, transparent);
  border: 0.0625rem solid var(--line);
  border-radius: var(--radius);
  padding: var(--space-3) var(--space-4);
}

.qa summary{
  cursor: pointer;
  font-weight: 900;
  color: color-mix(in srgb, var(--c-ink) 90%, transparent);
  transition: color 160ms ease;
}

.qa summary:hover{ color: var(--accent); }

.qa-body{
  margin-top: var(--space-3);
  color: var(--muted);
  font-weight: 400;
}

.qa-body strong,
.qa-body b{ font-weight: 400; }

/* Contact block */
.contact{
  display:grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: var(--space-4);
  background: color-mix(in srgb, #ffffff 86%, transparent);
  border: 0.0625rem solid var(--line);
  border-radius: var(--radius-2);
  padding: var(--space-4);
  box-shadow: var(--shadow);
}

.contact-copy h2{
  margin: 0 0 var(--space-2);
  letter-spacing: -0.02em;
}

.contact-copy p{
  margin: 0 0 var(--space-3);
  color: var(--muted);
  max-width: 82ch;
}

.contact-actions{
  display:flex;
  flex-direction: column;
  gap: var(--space-2);
  justify-content: center;
  align-items: flex-start;
}

/* Footer */
.footer{
  padding: var(--space-6) 0 var(--space-5);
  border-top: 0.0625rem solid var(--line);
  background: color-mix(in srgb, #ffffff 46%, transparent);
}

.footer-inner{
  display:flex;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
  align-items: flex-start;
}

.brand-logo-footer{
  width: 15rem;
  height: auto;
  margin-bottom: var(--space-2);
}

.footer-note{
  margin: 0;
  color: color-mix(in srgb, var(--c-ink) 62%, transparent);
  max-width: 62ch;
  font-weight: 650;
}

.footer-links{
  display:grid;
  gap: var(--space-2);
  color: color-mix(in srgb, var(--c-ink) 76%, transparent);
  font-weight: 950;
}

.footer-links a{ transition: color 160ms ease; }

.footer-links a:hover{
  color: var(--accent);
  text-decoration: none;
}

.footer-bottom{
  padding-top: var(--space-3);
  margin-top: var(--space-3);
  border-top: 0.0625rem solid var(--line);
  color: color-mix(in srgb, var(--c-ink) 56%, transparent);
}

/* Werkwijze */
.process{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
  margin-top: var(--space-6);
}

.process-step{
  position: relative;
  padding: var(--space-6) var(--space-7);
  background: color-mix(in srgb, #ffffff 86%, transparent);
  border: 0.0625rem solid var(--line);
  border-radius: 0.625rem;
}

/* desktop: arrow to the right */
.process-step:not(:last-child){
  clip-path: polygon(
    0 0,
    95% 0,
    100% 50%,
    95% 100%,
    0 100%
  );
}

.process-step:last-child{ clip-path: none; }

.process-step h3{
  margin: 0 0 var(--space-2);
  font-size: 1.125rem;
  letter-spacing: -0.01em;
}

.process-step p{
  margin: 0;
  color: var(--muted);
  max-width: 48ch;
}

/* Responsive */
@media (max-width: 61.25rem){
  .header-inner{ 
    align-items: center; 
    padding: var(--space-3);
    gap: var(--space-3);
  }
  .brand{
    padding-top: 0;
  }

  .nav-toggle{
    margin-left: auto;
  }
  .brand-logo{ width: 13.75rem; }

  .nav-bar{ display:none; }
  .nav-cta{ display:inline-flex; }

  .hero-grid{
    grid-template-columns: 1fr;
    grid-template-areas:
      "copy"
      "visual";
    min-height: auto;
    padding: var(--space-7) var(--space-4) var(--space-6);
    gap: var(--space-4);
  }

  .hero-copy{ grid-area: copy; }

  .hero-space{
    grid-area: visual;
    position: relative;
    height: 12.5rem;
    border-radius: var(--radius);
    overflow: hidden;
    border: 0.0625rem solid var(--line);
    background: #fff;
  }

  .hero-space::before{
    content:"";
    position:absolute;
    inset:0;
    background-image: url("/img/inter-view.nl-line-art.png");
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center 50%;
    opacity: 0.95;
  }

  .hero{ background: #fff; }
  .hero-bg{ display:none; }
  .hero-tint{ display:none; }

  .split{ grid-template-columns: 1fr; }
  .faq{ grid-template-columns: 1fr; }
  .contact{ grid-template-columns: 1fr; }

  .contact-actions{
    flex-direction: row;
    flex-wrap: wrap;
  }

  .process{ grid-template-columns: 1fr; }

  /* mobile: arrow to the bottom */
  .process-step:not(:last-child){
    clip-path: polygon(
      0 0,
      100% 0,
      100% 88%,
      50% 100%,
      0 88%
    );
  }
}

@media (max-width: 32.5rem){
  .brand-logo{ width: 11.875rem; }
  .hero-actions{ width: 100%; }
  .hero-actions .btn{ width: 100%; }
  .hero-space{ height: 11rem; }
}
/* Hamburger button */
.nav-toggle{
  display:none;
  align-items:center;
  justify-content:center;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 0.75rem;
  border: 0.0625rem solid var(--line);
  background: color-mix(in srgb, #ffffff 78%, transparent);
  box-shadow: 0 0.625rem 1.625rem color-mix(in srgb, var(--c-ink) 8%, transparent);
  cursor: pointer;
}

.nav-toggle-lines{
  position: relative;
  width: 1.25rem;
  height: 0.125rem;
  background: color-mix(in srgb, var(--c-ink) 82%, transparent);
  border-radius: 999px;
}

.nav-toggle-lines::before,
.nav-toggle-lines::after{
  content:"";
  position:absolute;
  left:0;
  width: 1.25rem;
  height: 0.125rem;
  background: color-mix(in srgb, var(--c-ink) 82%, transparent);
  border-radius: 999px;
  transition: transform 160ms ease, top 160ms ease, opacity 160ms ease;
}

.nav-toggle-lines::before{ top: -0.4rem; }
.nav-toggle-lines::after{ top: 0.4rem; }

/* Animate hamburger to X when open */
.nav-open .nav-toggle-lines{
  background: transparent;
}
.nav-open .nav-toggle-lines::before{
  top: 0;
  transform: rotate(45deg);
}
.nav-open .nav-toggle-lines::after{
  top: 0;
  transform: rotate(-45deg);
}

/* Overlay for mobile drawer */
.nav-overlay{
  display:none;
}

@media (max-width: 61.25rem){
  .header-inner{
    align-items: center;
  }

  .nav-toggle{
    display:inline-flex;
    margin-left: auto;
  }

  /* Turn existing nav into a fixed drawer */
  .nav-bar{
    position: fixed;
    top: 0.75rem;
    right: 0.75rem;
    left: 0.75rem;
    max-width: 28rem;
    margin-left: auto;
    margin-right: 3rem;

    display: grid;
    gap: 0.25rem;
    justify-content: stretch;
    align-items: stretch;

    padding: 0.75rem;
    border-radius: var(--radius-2);
    background: #fff;
    border: 0.0625rem solid var(--line);
    box-shadow: 0 1.5rem 3.5rem color-mix(in srgb, #000 22%, transparent);

    transform: translateY(-0.5rem);
    opacity: 0;
    pointer-events: none;
    transition: transform 180ms ease, opacity 180ms ease;
    z-index: 130;
    max-height: calc(100vh - 1.5rem);
    overflow: auto;
  }

  .nav-bar a{
    width: 100%;
    display:block;
    padding: 0.75rem 0.875rem;
    border-radius: 0.75rem;
    font-size: 1rem;
  }

  /* Ensure CTA visible on mobile inside drawer */
  .nav-cta{
    display:inline-flex;
    width: 100%;
    justify-content:center;
    margin-top: 0.25rem;
  }

  /* Backdrop overlay */
  .nav-overlay{
    display:block;
    position: fixed;
    inset: 0;
    background: color-mix(in srgb, #000000 35%, transparent);
    backdrop-filter: blur(0.25rem);
    opacity: 0;
    pointer-events: none;
    transition: opacity 180ms ease;
    z-index: 110;
  }

  /* Open state */
  .nav-open .nav-bar{
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav-open .nav-overlay{
    opacity: 1;
    pointer-events: auto;
  }
}