/*
 * Voltra · huisstijl
 * Navy #152850 en cyaan #00cffa uit het logo. Montserrat (titels) en Inter (tekst), zelf gehost.
 * Afronding: knoppen = pil, kaarten = 20px, velden = 12px. Licht en donker via de tokens hieronder.
 */
@font-face { font-family: "Montserrat"; font-style: normal; font-weight: 100 900; font-display: swap; src: url("assets/fonts/montserrat.woff2") format("woff2"); }
@font-face { font-family: "Montserrat"; font-style: italic; font-weight: 100 900; font-display: swap; src: url("assets/fonts/montserrat-italic.woff2") format("woff2"); }
@font-face { font-family: "Inter"; font-style: normal; font-weight: 100 900; font-display: swap; src: url("assets/fonts/inter.woff2") format("woff2"); }

:root {
  color-scheme: light dark;
  --bg: #f5f7fa;
  --bg-2: #eaeef4;
  --surface: #ffffff;
  --ink: #152850;
  --ink-2: #4b5870;
  --line: #dde3ec;
  --accent: #0670a0;        /* tekstlinks en accenten (contrast 5:1) */
  --accent-hi: #00cffa;     /* logo-cyaan: decoratief of op donker */
  --btn: #152850;
  --btn-ink: #ffffff;
  --btn-hover: #0670a0;
  --dark: #0f1d3d;
  --shadow: 0 18px 50px rgba(21, 40, 80, .12);
  --shadow-s: 0 1px 3px rgba(21, 40, 80, .08);
  --r: 20px;
  --r-s: 12px;
  --display: "Montserrat", system-ui, sans-serif;
  --body: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b1328;
    --bg-2: #101b36;
    --surface: #121e3b;
    --ink: #eef2f8;
    --ink-2: #a7b2c6;
    --line: #23325a;
    --accent: #3fd8ff;
    --btn: #3fd8ff;
    --btn-ink: #0b1328;
    --btn-hover: #8be8ff;
    --dark: #070e20;
    --shadow: 0 18px 50px rgba(0, 0, 0, .45);
    --shadow-s: 0 1px 3px rgba(0, 0, 0, .4);
  }
}

*, *::before, *::after { box-sizing: border-box; }
html { overflow-x: clip; scroll-behavior: smooth; scroll-padding-top: 84px; -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 400 17px/1.65 var(--body); -webkit-font-smoothing: antialiased; }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; }
h1, h2, h3 { font-family: var(--display); margin: 0; line-height: 1.08; letter-spacing: -.025em; text-wrap: balance; }
h1 { font-size: clamp(2.6rem, 5.4vw, 4.4rem); font-weight: 800; }
h2 { font-size: clamp(1.9rem, 3.8vw, 3rem); font-weight: 800; }
h3 { font-size: 1.22rem; font-weight: 700; letter-spacing: -.01em; }
p { margin: 0; }
ul, ol { margin: 0; padding: 0; }

.wrap { width: min(1160px, 100% - 32px); margin-inline: auto; }
.skip { position: absolute; left: -999px; top: 8px; }
.skip:focus { left: 16px; z-index: 100; background: var(--ink); color: var(--bg); padding: 8px 12px; border-radius: 8px; }
:focus-visible { outline: 3px solid var(--accent-hi); outline-offset: 3px; border-radius: 6px; }

/* Knoppen */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5em;
  padding: .95em 1.55em; border-radius: 999px; border: 1px solid var(--btn);
  background: var(--btn); color: var(--btn-ink); font: 600 .97rem/1 var(--body);
  text-decoration: none; white-space: nowrap; cursor: pointer;
  transition: transform .15s, background-color .15s, border-color .15s, color .15s;
}
.btn:hover { background: var(--btn-hover); border-color: var(--btn-hover); }
.btn:active { transform: translateY(1px); }
.btn--sm { padding: .72em 1.2em; font-size: .9rem; }
.btn--ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn--ghost:hover { background: var(--surface); border-color: var(--ink); color: var(--ink); }
.btn--wa { background: #15803d; border-color: #15803d; color: #fff; }
.btn--wa:hover { background: #106a31; border-color: #106a31; color: #fff; }
.btn svg { width: 1.15em; height: 1.15em; flex: none; }

/* Logo */
.logo { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); }
.logo svg { height: 40px; width: auto; flex: none; }
.lm-ink { stroke: var(--ink); }
.lm-dot { fill: var(--ink); }
.lm-hi { stroke: var(--accent-hi); }
.lm-hi-dot { fill: var(--accent-hi); }
.logo__text { display: flex; flex-direction: column; align-items: center; line-height: 1; }
.logo__text b { font: 800 1.5rem/.9 var(--display); letter-spacing: -.03em; }
.logo__text small { font: 600 .55rem/1 var(--display); letter-spacing: .5em; margin-right: -.5em; color: var(--accent); margin-top: 4px; }

/* Navigatie */
.nav { position: sticky; top: 0; z-index: 50; background: color-mix(in srgb, var(--bg) 86%, transparent); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); border-bottom: 1px solid var(--line); }
.nav__inner { display: flex; align-items: center; justify-content: space-between; height: 70px; gap: 20px; }
.nav__links { display: flex; gap: 30px; list-style: none; }
.nav__links a { text-decoration: none; color: var(--ink-2); font-size: .94rem; font-weight: 500; }
.nav__links a:hover, .nav__links a[aria-current="page"] { color: var(--ink); }
.nav__end { display: flex; align-items: center; gap: 10px; }
.menu-btn { display: none; width: 44px; height: 44px; border-radius: 999px; border: 1px solid var(--line); background: var(--surface); color: var(--ink); cursor: pointer; align-items: center; justify-content: center; padding: 0; }
.menu-btn svg { width: 20px; height: 20px; }

/* Hero */
.hero { padding: clamp(48px, 7vw, 96px) 0 clamp(56px, 8vw, 104px); }
.hero__grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr); gap: clamp(32px, 5vw, 72px); align-items: center; }
.eyebrow { display: inline-flex; align-items: center; gap: 10px; font: 600 .82rem/1 var(--body); letter-spacing: .14em; text-transform: uppercase; color: var(--ink-2); margin-bottom: 22px; }
.eyebrow::before { content: ""; width: 26px; height: 2px; background: var(--accent-hi); }
.hl { font-style: italic; color: var(--accent); padding-right: .06em; }
.lead { margin-top: 24px; max-width: 32em; color: var(--ink-2); font-size: 1.15rem; }
.hero__cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }

/* Echte schermafbeeldingen in een browserkader */
.shot { margin: 0; border-radius: 14px; overflow: hidden; background: var(--surface); border: 1px solid var(--line); box-shadow: var(--shadow); }
.shot__bar { display: flex; align-items: center; gap: 6px; height: 30px; padding: 0 12px; background: var(--bg-2); border-bottom: 1px solid var(--line); }
.shot__bar i { width: 9px; height: 9px; border-radius: 50%; background: var(--line); }
.shot__bar span { margin-left: 10px; font-size: .72rem; color: var(--ink-2); background: var(--surface); border-radius: 999px; padding: 2px 12px; }
.shot img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; object-position: top; }
.hero__visual { position: relative; padding-bottom: 16%; }
.hero__visual .shot--a { width: 86%; margin-left: auto; }
.hero__visual .shot--b { position: absolute; left: 0; bottom: 0; width: 64%; }

/* Secties */
.section { padding: clamp(72px, 10vw, 124px) 0; }
.section--alt { background: var(--bg-2); }
.section__head { max-width: 700px; margin-bottom: 48px; }
.section__head p, .section__intro { color: var(--ink-2); margin-top: 16px; font-size: 1.08rem; max-width: 36em; }
.section__intro a, .prose a { color: var(--accent); font-weight: 600; }

/* Merken */
.brands { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
.brand { display: flex; flex-direction: column; border-radius: var(--r); overflow: hidden; text-decoration: none; border: 1px solid var(--line); transition: transform .2s, box-shadow .2s; }
.brand:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.brand__img { aspect-ratio: 16 / 9; overflow: hidden; border-bottom: 1px solid var(--line); }
.brand__img img { width: 100%; height: 100%; object-fit: cover; object-position: top; }
.brand__body { padding: clamp(24px, 3.4vw, 36px); display: grid; gap: 14px; flex: 1; align-content: start; }
.brand__body p { color: var(--ink-2); }
.brand__facts { list-style: none; display: flex; flex-wrap: wrap; gap: 8px; }
.brand__facts li { font-size: .85rem; font-weight: 600; padding: .35em .85em; border-radius: 999px; border: 1px solid var(--line); }
.brand__link { font-weight: 700; color: var(--accent); margin-top: 4px; }
.brand--race { background: #0e0f11; color: #f2f1ee; border-color: #0e0f11; }
.brand--race .brand__img { border-color: #24262b; }
.brand--race .brand__body p { color: #a7aab0; }
.brand--race .brand__facts li { border-color: #2c2f35; color: #d8d8d4; }
.brand--race .brand__link { color: #ff6a3d; }
.brand--race .rh { font: italic 800 1.5rem/1 var(--display); letter-spacing: -.02em; }
.brand--race .rh span { color: #f04e23; }
.brand--schema { background: var(--surface); }
.brand__logo { height: 44px; width: auto; }
.brand__logo--dark { display: none; }
@media (prefers-color-scheme: dark) { .brand__logo--light { display: none; } .brand__logo--dark { display: block; } }

/* AI voor bedrijven */
.bento { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.tile { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r); padding: 26px; display: flex; flex-direction: column; gap: 8px; }
.tile p { color: var(--ink-2); font-size: .97rem; }
.tile__ico { width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center; background: var(--bg-2); color: var(--accent); margin-bottom: 8px; }
.tile__ico svg { width: 22px; height: 22px; }
.tile--wide { grid-column: span 2; display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, .9fr); gap: 24px; align-items: center; background: var(--dark); border-color: transparent; color: #eef2f8; }
.tile--wide p { color: #b7c1d4; }
.tile--wide .tile__ico { background: rgba(0, 207, 250, .12); color: var(--accent-hi); }
.phones { display: flex; gap: 12px; justify-content: center; align-items: flex-end; }
.phones img { width: 46%; border-radius: 14px; border: 1px solid rgba(255, 255, 255, .14); box-shadow: 0 16px 40px rgba(0, 0, 0, .4); }
.phones img + img { margin-bottom: 18px; }
.tile--tint { background: color-mix(in srgb, var(--accent-hi) 11%, var(--surface)); border-color: color-mix(in srgb, var(--accent-hi) 32%, var(--line)); }
.proof { margin-top: 24px; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px 32px; border: 1px dashed var(--line); border-radius: var(--r); padding: 22px 28px; }
.proof p { color: var(--ink-2); max-width: 40em; }
.proof b { color: var(--ink); }
.chips { display: flex; flex-wrap: wrap; gap: 10px; }
.chips a { text-decoration: none; font-weight: 600; background: var(--surface); border: 1px solid var(--line); border-radius: 999px; padding: .6em 1.1em; transition: border-color .15s, color .15s; }
.chips a:hover { border-color: var(--accent); color: var(--accent); }
.more { margin-top: 36px; display: flex; flex-wrap: wrap; gap: 12px; }

/* Werkwijze */
.steps { list-style: none; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 28px; counter-reset: s; }
.steps li { counter-increment: s; position: relative; padding-top: 64px; }
.steps li::before { content: counter(s); position: absolute; top: 0; left: 0; width: 44px; height: 44px; border-radius: 50%; display: grid; place-items: center; font: 800 1.05rem/1 var(--display); background: var(--surface); border: 1.5px solid var(--line); color: var(--ink); }
.steps li::after { content: ""; position: absolute; top: 22px; left: 58px; right: -14px; height: 2px; background: var(--line); }
.steps li:last-child::after { display: none; }
.steps h3 { margin-bottom: 6px; }
.steps p { color: var(--ink-2); }

/* Over Voltra (donker vlak) */
.section--dark { background: var(--dark); color: #eef2f8; }
.about { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr); gap: 64px; align-items: start; }
.about p { color: #b7c1d4; margin-top: 18px; max-width: 30em; }
.values { list-style: none; display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid rgba(255, 255, 255, .12); }
.values li { padding: 26px 24px 26px 0; border-bottom: 1px solid rgba(255, 255, 255, .12); display: grid; gap: 6px; }
.values li:nth-child(even) { padding-left: 24px; border-left: 1px solid rgba(255, 255, 255, .12); }
.values strong { font: 700 1.12rem/1.2 var(--display); }
.values span { color: #a9b4c8; font-size: .97rem; }

/* Contact */
.contact { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 64px; align-items: start; }
.details { margin: 32px 0 0; }
.details div { display: grid; grid-template-columns: 150px 1fr; padding: 16px 0; border-bottom: 1px solid var(--line); }
.details div:first-child { border-top: 1px solid var(--line); }
.details dt { color: var(--ink-2); font-size: .93rem; }
.details dd { margin: 0; font-weight: 600; }
.details a { text-decoration: none; }
.details a:hover { color: var(--accent); }
.form { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r); padding: clamp(24px, 3.4vw, 36px); box-shadow: var(--shadow-s); display: grid; gap: 18px; }
.form h3 { font-size: 1.3rem; }
.form > p { color: var(--ink-2); font-size: .95rem; margin-top: -8px; }
.field { display: grid; gap: 7px; }
.field label { font-weight: 600; font-size: .93rem; }
.field input, .field select, .field textarea {
  width: 100%; font: inherit; font-size: 1rem; color: var(--ink); background: var(--bg);
  border: 1.5px solid var(--line); border-radius: var(--r-s); padding: .75em .9em;
}
.field textarea { min-height: 120px; resize: vertical; }
.field input::placeholder, .field textarea::placeholder { color: var(--ink-2); opacity: .8; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent-hi) 30%, transparent); }
.form__btns { display: flex; flex-wrap: wrap; gap: 10px; }
.form__err { color: #c93c3c; font-weight: 600; font-size: .93rem; min-height: 1.2em; }
@media (prefers-color-scheme: dark) { .form__err { color: #f39a9a; } }

/* Subpagina's */
.page-hero { padding: clamp(36px, 5vw, 64px) 0 clamp(40px, 6vw, 72px); }
.page-hero .lead { max-width: 36em; }
.crumbs { font-size: .88rem; color: var(--ink-2); margin-bottom: 22px; display: flex; gap: 8px; }
.crumbs a { color: var(--ink-2); }
.services { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.service { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r); padding: 28px; display: grid; gap: 10px; align-content: start; }
.service p { color: var(--ink-2); }
.service ul { list-style: none; display: grid; gap: 6px; margin-top: 4px; }
.service li { position: relative; padding-left: 22px; color: var(--ink-2); font-size: .96rem; }
.service li::before { content: ""; position: absolute; left: 2px; top: .62em; width: 8px; height: 8px; border-radius: 50%; background: var(--accent-hi); }
.who { list-style: none; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 28px; }
.who li { border-top: 2px solid var(--ink); padding-top: 16px; display: grid; gap: 6px; }
.who span { color: var(--ink-2); }
.cases { display: grid; gap: clamp(40px, 6vw, 72px); }
.case { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); gap: clamp(24px, 4vw, 56px); align-items: center; }
.case:nth-child(even) .case__img { order: 2; }
.case__body { display: grid; gap: 14px; }
.case__body p { color: var(--ink-2); }
.case__body ul { list-style: none; display: grid; gap: 8px; }
.case__body li { position: relative; padding-left: 26px; }
.case__body li::before { content: ""; position: absolute; left: 2px; top: .4em; width: 12px; height: 7px; border-left: 2px solid var(--accent); border-bottom: 2px solid var(--accent); transform: rotate(-45deg); }
.case__body a { color: var(--accent); font-weight: 700; }
.faq { max-width: 820px; }
.faq details { border-bottom: 1px solid var(--line); }
.faq details:first-of-type { border-top: 1px solid var(--line); }
.faq summary { cursor: pointer; list-style: none; padding: 20px 40px 20px 0; position: relative; font-weight: 700; font-family: var(--display); }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: ""; position: absolute; right: 6px; top: 50%; width: 10px; height: 10px; border-right: 2px solid var(--ink-2); border-bottom: 2px solid var(--ink-2); transform: translateY(-70%) rotate(45deg); transition: transform .2s; }
.faq details[open] summary::after { transform: translateY(-30%) rotate(225deg); }
.faq details p { padding: 0 0 20px; color: var(--ink-2); max-width: 46em; }
.cta-band { background: var(--dark); color: #eef2f8; border-radius: var(--r); padding: clamp(32px, 5vw, 56px); display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 24px; }
.cta-band h2 { font-size: clamp(1.6rem, 3vw, 2.3rem); }
.cta-band p { color: #b7c1d4; margin-top: 8px; }
.cta-band .btn { background: #fff; border-color: #fff; color: #152850; }
.cta-band .btn:hover { background: var(--accent-hi); border-color: var(--accent-hi); }
.prose { max-width: 760px; }
.prose h2 { font-size: 1.45rem; margin: 36px 0 10px; }
.prose p, .prose li { color: var(--ink-2); }
.prose p + p { margin-top: 12px; }
.prose ul { padding-left: 1.2em; display: grid; gap: 6px; margin-top: 10px; }

/* Footer */
.footer { border-top: 1px solid var(--line); padding: 56px 0 28px; }
.footer__grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 32px; }
.footer__grid p { color: var(--ink-2); font-size: .94rem; margin-top: 14px; max-width: 24em; }
.footer h2 { font-size: .95rem; letter-spacing: 0; margin-bottom: 10px; }
.footer ul { list-style: none; display: grid; gap: 6px; font-size: .94rem; }
.footer ul a { color: var(--ink-2); text-decoration: none; }
.footer ul a:hover { color: var(--ink); }
.footer__legal { margin-top: 40px; padding-top: 18px; border-top: 1px solid var(--line); color: var(--ink-2); font-size: .86rem; }

/* Rustige verschijning bij scrollen (enkel als de bezoeker beweging toelaat) */
@media (prefers-reduced-motion: no-preference) {
  .js .reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s cubic-bezier(.16, 1, .3, 1), transform .6s cubic-bezier(.16, 1, .3, 1); }
  .js .reveal.in { opacity: 1; transform: none; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; scroll-behavior: auto !important; }
}

@media (max-width: 980px) {
  .hero__grid, .about, .contact, .case { grid-template-columns: minmax(0, 1fr); }
  .case:nth-child(even) .case__img { order: 0; }
  .bento { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .hero__visual { max-width: 640px; }
}
@media (max-width: 760px) {
  body { font-size: 16px; }
  .menu-btn { display: inline-flex; }
  .nav__links { display: none; position: absolute; top: 70px; left: 0; right: 0; flex-direction: column; gap: 0; padding: 8px 16px 16px; background: var(--bg); border-bottom: 1px solid var(--line); }
  .nav--open .nav__links { display: flex; }
  .nav__links a { display: block; padding: 12px 0; font-size: 1.05rem; border-bottom: 1px solid var(--line); }
  .nav__end .btn { display: none; }
  .brands, .bento, .steps, .services, .who, .values { grid-template-columns: minmax(0, 1fr); }
  .tile--wide { grid-column: auto; grid-template-columns: minmax(0, 1fr); }
  .steps li::after { display: none; }
  .values li, .values li:nth-child(even) { padding: 20px 0; border-left: 0; }
  .details div { grid-template-columns: 1fr; gap: 2px; }
  .hero__cta .btn, .form__btns .btn { flex: 1 1 100%; }
  .footer__grid { grid-template-columns: 1fr; }
}

/* Iconen (Phosphor, MIT) */
.ico { width: 1.15em; height: 1.15em; fill: currentColor; flex: none; vertical-align: -.18em; }
.tile__ico .ico { width: 22px; height: 22px; }
.brand__link .ico { width: 1em; height: 1em; margin-left: 2px; }
.menu-btn .ico { width: 20px; height: 20px; }
.tile--full { grid-column: 1 / -1; flex-direction: row; align-items: center; gap: 18px; }
.tile--full .tile__ico { margin-bottom: 0; }
.tile--hero { padding: clamp(24px, 4vw, 40px); min-height: 100%; }
.tile--hero .phones img { width: 42%; }
@media (max-width: 760px) {
  .tile--full { flex-direction: column; align-items: flex-start; }
}

/* Kleine correcties */
.hero { padding-bottom: clamp(24px, 4vw, 48px); }
.brand--race .logo { color: #f2f1ee; }
.tile--hero { grid-column: auto; display: flex; align-items: center; justify-content: center; align-self: stretch; min-height: 420px; }
.tile--hero .phones { width: 100%; }
.logos { margin-top: auto; padding-top: 18px; display: flex; flex-wrap: wrap; gap: 10px; }
.logos__item { height: 64px; flex: 1 1 auto; min-width: 72px; display: grid; place-items: center; padding: 10px 14px; border-radius: var(--r-s); background: var(--surface); border: 1px solid var(--line); }
.logos__item svg, .logos__item img { height: 36px; width: auto; max-width: 100%; }
.logos__item--race { background: #0e0f11; border-color: #0e0f11; }
.logos__item .brand__logo--light, .logos__item .brand__logo--dark { height: 26px; }
.nav__mob { display: none; }
@media (max-width: 760px) { .nav__mob { display: block; } }
