/* =========================================================
   BALLPINNETJE — Ballpinnetje Lab | v2
   Wereld: Onderzoeken
   ========================================================= */

:root {
  --blue: #0a3fa8;
  --blue-dark: #062b74;
  --blue-soft: #eaf1ff;

  --yellow: #f2c400;
  --yellow-dark: #c89f00;

  --silver-soft: #dfe3e8;
  --ink: #171717;
  --muted: #626262;
  --line: #cfd5dd;

  --paper: #ffffff;
  --header: rgba(203, 210, 220, 0.96);
  --footer: #cbd2dc;

  --max-width: 1180px;
  --header-height: 95px;
  --breadcrumb-height: 42px;

  --radius: 24px;
  --shadow: 0 12px 38px rgba(0, 0, 0, 0.07);
  --transition: 180ms ease;
}


/* BASIS ==================================================== */

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--silver-soft);
  font-family:
    Inter,
    ui-sans-serif,
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
}

img,
svg {
  max-width: 100%;
  height: auto;
}

a {
  color: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

button:focus-visible,
a:focus-visible {
  outline: 3px solid var(--yellow);
  outline-offset: 4px;
}

.skip-link {
  position: absolute;
  top: -100px;
  left: 1rem;
  z-index: 9999;
  padding: 0.8rem 1rem;
  color: white;
  background: var(--blue-dark);
  border-radius: 10px;
}

.skip-link:focus {
  top: 1rem;
}


/* HEADER =================================================== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--header);
  border-bottom: 1px solid rgba(6, 43, 116, 0.16);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.header-inner {
  width: min(calc(100% - 2rem), var(--max-width));
  min-height: var(--header-height);
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}

.brand-name {
  color: var(--blue);
  font-size: clamp(1.4rem, 1.8vw, 1.7rem);
  font-weight: 850;
  letter-spacing: -0.035em;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.main-nav a {
  padding: 0.7rem 0.9rem;
  color: var(--muted);
  font-size: 1.05rem;
  text-decoration: none;
  border-radius: 999px;
  transition:
    background var(--transition),
    color var(--transition);
}

.main-nav a:hover,
.main-nav a.active {
  color: var(--blue-dark);
  background: var(--blue-soft);
}

.menu-toggle {
  display: none;
  width: 46px;
  height: 46px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--paper);
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  margin: 5px auto;
  background: var(--ink);
}


/* VAST SCHRIJVERSPAD ====================================== */

.site-breadcrumb {
  position: sticky;
  top: var(--header-height);
  z-index: 990;
  min-height: var(--breadcrumb-height);
  display: flex;
  align-items: center;
  background: rgba(223, 227, 232, 0.96);
  border-bottom: 1px solid rgba(6, 43, 116, 0.12);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.site-breadcrumb ol {
  width: min(calc(100% - 2rem), var(--max-width));
  margin: 0 auto;
  padding: 0;
  display: flex;
  align-items: center;
  flex-wrap: nowrap;
  gap: 0.45rem;
  overflow-x: auto;
  overflow-y: hidden;
  color: var(--muted);
  font-size: 0.9rem;
  list-style: none;
  white-space: nowrap;
  scrollbar-width: none;
}

.site-breadcrumb ol::-webkit-scrollbar {
  display: none;
}

.site-breadcrumb a {
  color: var(--blue);
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
}

.site-breadcrumb [aria-current="page"] {
  color: var(--ink);
  font-weight: 700;
}


/* ALGEMEEN ================================================= */

.eyebrow {
  margin: 0 0 0.5rem;
  color: var(--blue);
  font-size: 0.86rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}


/* HERO ===================================================== */

.lab-hero {
  width: min(calc(100% - 2rem), var(--max-width));
  margin-inline: auto;
  padding: clamp(1.7rem, 3vw, 2.8rem) 0 clamp(1.8rem, 3vw, 2.8rem);
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(230px, 0.75fr);
  align-items: center;
  gap: clamp(2rem, 6vw, 6rem);
}

.lab-hero h1 {
  margin: 0;
  color: var(--blue);
  font-size: clamp(3.4rem, 8vw, 7rem);
  line-height: 0.92;
  letter-spacing: -0.065em;
}

.lab-lead {
  max-width: 700px;
  margin: 1.3rem 0 0;
  color: var(--yellow-dark);
  font-size: clamp(1.2rem, 2vw, 1.5rem);
  font-weight: 750;
}

.lab-mark {
  width: clamp(230px, 24vw, 300px);
  aspect-ratio: 1 / 1;
  display: grid;
  place-items: center;
  justify-self: center;
  padding: clamp(1.4rem, 2.5vw, 2rem);
  overflow: hidden;
  border: 1px solid rgba(6, 43, 116, 0.22);
  border-radius: 34px;
  background:
    radial-gradient(
      circle at 50% 45%,
      rgba(255, 255, 255, 0.76),
      rgba(105, 125, 157, 0.66) 44%,
      rgba(56, 74, 107, 0.48) 100%
    ),
    linear-gradient(145deg, #9eacbd, #7d8da4);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.48),
    inset 0 -14px 30px rgba(36, 47, 65, 0.12),
    8px 16px 32px rgba(24, 35, 55, 0.20);
}

.lab-mark img {
  width: clamp(130px, 14vw, 170px);
  max-width: 65%;
  max-height: 65%;
  display: block;
  object-fit: contain;
  margin: 0 auto;
  filter: drop-shadow(0 10px 18px rgba(6, 43, 116, 0.28));
}


/* VIER INGREDIËNTEN ======================================== */

.lab-elements {
  width: min(calc(100% - 2rem), var(--max-width));
  margin-inline: auto;
  padding: clamp(1.4rem, 2.5vw, 2rem) 0 0.15rem;
  border-top: 1px solid rgba(10, 63, 168, 0.22);
}

.ingredients-panel {
  padding: clamp(1.1rem, 2.5vw, 1.7rem);
  border: 1px solid rgba(10, 63, 168, 0.22);
  border-radius: 24px;
  background: linear-gradient(145deg,#b9c3d0, #ddd);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.52),
    0 12px 24px rgba(24, 35, 55, 0.12);
  text-align: center;
}

.ingredients-panel h2 {
  margin: 0 0 0.6rem;
  color: var(--blue-dark);
  font-size: clamp(1.2rem, 2vw, 1.55rem);
}

.ingredients-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 0.2rem 0;
  margin: 0;
  padding: 0;
  list-style: none;
  color: var(--blue);
  font-size: clamp(1rem, 2.2vw, 1.4rem);
  font-weight: 700;
}

.ingredients-list li + li::before {
  content: "–";
  display: inline-block;
  margin-inline: clamp(0.45rem, 1.4vw, 1rem);
  color: var(--yellow-dark);
}


/* INGANG NAAR HET LAB ====================================== */

.lab-entry {
  width: min(calc(100% - 2rem), var(--max-width));
  margin: 0.35rem auto clamp(1.8rem, 3vw, 2.6rem);
  padding: clamp(1.8rem, 3vw, 2.7rem);
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 2rem;
  border: 1px solid rgba(200, 159, 0, 0.76);
  border-radius: 28px;
  background:
    radial-gradient(
      circle at 82% 20%,
      rgba(242, 196, 0, 0.14),
      transparent 34%
    ),
    linear-gradient(145deg, #cfd8e6, #d7dce4);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.68),
    0 14px 30px rgba(24, 35, 55, 0.22);
}

.lab-entry h2 {
  margin: 0;
  color: var(--blue-dark);
  font-size: clamp(2rem, 4vw, 3.4rem);
  line-height: 1;
  letter-spacing: -0.045em;
}

.lab-entry p:not(.eyebrow) {
  max-width: 650px;
  margin: 0.9rem 0 1.3rem;
  color: var(--muted);
  font-size: clamp(1.08rem, 1.6vw, 1.18rem);
  line-height: 1.7;
}

.lab-button {
  min-height: 48px;
  padding: 0.82rem 1.25rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  color: white;
  background: var(--blue);
  border-radius: 999px;
  text-decoration: none;
  font-weight: 800;
  box-shadow: 0 8px 22px rgba(10, 63, 168, 0.18);
  transition:
    transform var(--transition),
    background var(--transition);
}

.lab-button:hover {
  transform: translateY(-2px);
  background: var(--blue-dark);
}

.lab-entry-icon {
  width: clamp(100px, 12vw, 150px);
  display: block;
  filter: drop-shadow(0 10px 18px rgba(24, 35, 55, 0.18));
}


/* FOOTER =================================================== */

.site-footer {
  margin-top: 0.75rem;
  padding: 3rem 0 1.5rem;
  color: var(--ink);
  background: var(--footer);
}

.footer-inner {
  width: min(calc(100% - 2rem), var(--max-width));
  margin-inline: auto;
  display: grid;
  grid-template-columns: 1.2fr auto;
  gap: 2rem;
  align-items: start;
}

.footer-brand-name {
  display: inline-block;
  font-size: 1.2rem;
  line-height: 1.2;
}

.brand-blue {
  color: var(--blue);
}

.brand-yellow {
  color: var(--yellow-dark);
}

.footer-inner p {
  margin: 0.3rem 0 0;
  color: #4f5966;
}

.footer-world-active {
  color: var(--blue-dark);
  font-weight: 850;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 0.55rem 1.5rem;
}

.footer-nav a {
  color: var(--blue);
  text-underline-offset: 4px;
}

.copyright {
  width: min(calc(100% - 2rem), var(--max-width));
  margin: 2rem auto 0;
  padding-top: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  color: #4f5966;
  border-top: 1px solid rgba(6, 43, 116, 0.14);
  font-size: 0.9rem;
}

.footer-signatuur {
  width: 150px;
  max-width: 70%;
  height: auto;
  display: block;
  flex: 0 0 auto;
}


/* RESPONSIVE ================================================ */

@media (max-width: 900px) {
  .lab-hero {
    grid-template-columns: 1fr;
  }

  .lab-mark {
    width: clamp(220px, 62vw, 270px);
  }

}


@media (max-width: 820px) {
  :root {
    --header-height: 62px;
    --breadcrumb-height: 34px;
  }

  .menu-toggle {
    display: block;
    flex: 0 0 auto;
    width: 40px;
    height: 40px;
    border-radius: 12px;
  }

  .menu-toggle span {
    width: 20px;
    margin: 4px auto;
  }

  .header-inner {
    min-height: var(--header-height);
    gap: 0.75rem;
  }

  .brand-name {
    font-size: 1.12rem;
  }

  .site-breadcrumb ol {
    width: min(calc(100% - 1.4rem), var(--max-width));
    gap: 0.35rem;
    font-size: 0.82rem;
  }

  .main-nav {
    position: absolute;
    left: 1rem;
    right: 1rem;
    top: calc(100% + 0.5rem);
    padding: 0.7rem;
    display: none;
    flex-direction: column;
    align-items: stretch;
    border: 1px solid var(--line);
    border-radius: 18px;
    background: var(--paper);
    box-shadow: var(--shadow);
  }

  .main-nav.is-open {
    display: flex;
  }

  .main-nav a {
    padding: 0.9rem 1rem;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .footer-brand-name {
    font-style: italic;
  }

  .footer-brand-name .brand-blue,
  .footer-brand-name .brand-yellow {
    color: var(--ink);
  }

  .footer-nav {
    justify-content: flex-start;
    gap: 0.35rem 1rem;
  }

  .copyright {
    margin-top: 1.25rem;
    padding-top: 1rem;
    gap: 0.9rem;
  }
}


@media (max-width: 620px) {
  .lab-hero {
    padding-top: 1.4rem;
  }

  .lab-hero h1 {
    font-size: clamp(3rem, 16vw, 5.4rem);
  }

  .lab-entry p:not(.eyebrow) {
    font-size: 1.10rem;
  }

  .lab-mark {
    width: min(76vw, 248px);
    padding: 1.25rem;
    border-radius: 28px;
  }

  .lab-mark img {
    width: min(44vw, 145px);
  }


  .lab-entry {
    grid-template-columns: 1fr;
    gap: 1.2rem;
  }

  .lab-entry-icon {
    width: 110px;
    justify-self: end;
  }
}


@media (max-width: 480px) {
  .brand-name {
    font-size: 1.08rem;
  }

  .site-breadcrumb ol {
    width: min(calc(100% - 1rem), var(--max-width));
    font-size: 0.8rem;
  }


  .site-footer {
    padding: 2rem 0 1rem;
  }

  .copyright {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    font-size: 0.82rem;
  }

  .copyright span {
    max-width: 215px;
  }

  .footer-signatuur {
    width: 110px;
    max-width: 34%;
  }
}


@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}