/* Cerebrain shared site styles. Perplexity/Sana-richting (17/07/2026): warm papier,
   petrol-inkt, turquoise accent, serif display-koppen, Inter voor UI en body,
   hairlines i.p.v. schaduwen, veel witruimte. Used by the multi-page marketing site.
   No em-dashes or en-dashes. */

/* Gedeelde canonieke tokens (golf 3, design-punt 1). Dit @import laadt web/tokens.css
   met de brand- en dark-tokens. Het :root hieronder blijft bestaan en herhaalt de
   light-waarden identiek: additief, geen visuele regressie. Nieuwe tokens die de site
   nu gebruikt (--accent-brand, --btn-solid-*) komen uit die gedeelde bron. */
@import "tokens.css";

:root {
  --bg: #fbfaf4;
  --surface: #ffffff;
  --surface-2: #f4f2e9;
  --surface-3: #ece9dd;
  --ink: #13343b;
  --ink-2: #47605e;
  --muted: #6d7f7d;
  --line: rgba(19, 52, 59, 0.12);
  --line-2: rgba(19, 52, 59, 0.22);
  --link: #176672;
  /* Turquoise accent (Perplexity-richting). --accent-2 is de donkere AA-variant voor tekst. */
  --accent: #20808d;
  --accent-2: #176672;
  --accent-wash: rgba(32, 128, 141, 0.08);
  /* Het merk-accent van de site is nu het turquoise; overschrijft het groen uit tokens.css. */
  --accent-brand: #20808d;
  --accent-brand-wash: rgba(32, 128, 141, 0.12);
  --accent-brand-ink: #176672;
  --btn-solid-bg: #20808d;
  --btn-solid-fg: #ffffff;
  --btn-solid-bg-hover: #176672;
  --radius: 12px;
  --radius-lg: 16px;
  --radius-pill: 9999px;
  --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  --display: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Georgia, "Times New Roman", serif;
  --shadow-float: 0 24px 60px -24px rgba(19, 52, 59, 0.22);
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { background: var(--bg); color: var(--ink); font-family: var(--font); font-weight: 400; line-height: 1.6; -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 { font-weight: 600; letter-spacing: -0.02em; line-height: 1.1; color: var(--ink); }
.wrap { max-width: 1180px; margin: 0 auto; padding: 0 24px; }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 11px 20px; border-radius: var(--radius-pill); font-weight: 600; font-size: .94rem; border: 1px solid transparent; cursor: pointer; transition: background .15s, border-color .15s, color .15s; font-family: inherit; }
.btn-primary { background: var(--btn-solid-bg); color: var(--btn-solid-fg); }
.btn-primary:hover { background: var(--btn-solid-bg-hover); }
.btn-accent { background: var(--btn-solid-bg); color: var(--btn-solid-fg); }
.btn-accent:hover { background: var(--btn-solid-bg-hover); }
.btn-ghost { background: transparent; border-color: var(--line-2); color: var(--ink); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent-2); }
.btn:focus-visible, a:focus-visible, button:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.btn-lg { padding: 13px 24px; font-size: 1rem; }

/* Header / nav */
.nav { position: sticky; top: 0; z-index: 50; background: rgba(251, 250, 244, 0.85); backdrop-filter: saturate(180%) blur(16px); border-bottom: 1px solid var(--line); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 62px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 600; font-size: 1.12rem; letter-spacing: -0.02em; }
.nav-links { display: flex; gap: 26px; font-size: .9rem; font-weight: 500; color: var(--ink-2); }
.nav-links a:hover { color: var(--ink); }
.nav-links a.active { color: var(--ink); font-weight: 600; }
.nav-cta { display: flex; align-items: center; gap: 10px; }

/* Language switcher */
.lang { position: relative; }
.lang-btn { display: inline-flex; align-items: center; gap: 6px; padding: 7px 11px; border: 1px solid var(--line-2); border-radius: 9px; background: var(--surface); font: inherit; font-size: .85rem; font-weight: 500; color: var(--ink-2); cursor: pointer; }
.lang-btn:hover { border-color: var(--ink); color: var(--ink); }
.lang-menu { position: absolute; top: calc(100% + 6px); right: 0; background: var(--surface); border: 1px solid var(--line); border-radius: 12px; box-shadow: var(--shadow-float); padding: 5px; display: none; min-width: 150px; z-index: 60; }
.lang-menu.open { display: block; }
.lang-menu button { display: flex; width: 100%; gap: 9px; align-items: center; padding: 8px 10px; border: 0; border-radius: 8px; background: transparent; font: inherit; font-size: .88rem; color: var(--ink); text-align: left; cursor: pointer; }
.lang-menu button:hover { background: var(--surface-2); }
.lang-menu b { width: 22px; color: var(--muted); font-weight: 600; }

/* Section heads */
.section { padding: 84px 0; }
.section.tight { padding: 60px 0; }
.section.alt { background: var(--surface-2); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.head { max-width: 60ch; margin-bottom: 44px; }
.head.center { margin-left: auto; margin-right: auto; text-align: center; }
.kicker { font-size: .78rem; font-weight: 600; letter-spacing: 0.04em; text-transform: uppercase; color: var(--accent-2); }
.head h2 { font-family: var(--display); font-weight: 500; font-size: clamp(1.8rem, 3.6vw, 2.6rem); margin: 10px 0 14px; letter-spacing: -0.012em; line-height: 1.08; }
.head p { font-size: 1.05rem; color: var(--ink-2); }
.eyebrow { display: inline-flex; align-items: center; font-size: .78rem; font-weight: 600; letter-spacing: 0.04em; text-transform: uppercase; color: var(--accent-2); }

/* Page hero */
.page-hero { padding: 76px 0 40px; }
.page-hero h1 { font-family: var(--display); font-weight: 500; font-size: clamp(2.3rem, 5vw, 3.6rem); letter-spacing: -0.012em; line-height: 1.06; margin: 14px 0 16px; max-width: 18ch; }
.page-hero p.lead { font-size: clamp(1.05rem, 1.6vw, 1.22rem); color: var(--ink-2); max-width: 56ch; }
.page-hero .actions { display: flex; gap: 12px; margin-top: 26px; flex-wrap: wrap; }

/* Cards + grids */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 24px; }
.card h3 { font-size: 1.12rem; margin-bottom: 8px; }
.card p { color: var(--ink-2); font-size: .98rem; }

/* Workflow template cards */
.tcards { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.tcard { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 24px; }
.tcard h3 { font-size: 1.18rem; margin-bottom: 4px; }
.tcard .tsub { color: var(--muted); font-size: .9rem; margin-bottom: 16px; }
.flow { display: grid; gap: 10px; }
.flow-row { display: grid; grid-template-columns: 116px 1fr; gap: 12px; align-items: start; }
.flow-lab { font-size: .72rem; font-weight: 600; letter-spacing: -0.01em; color: var(--ink-2); background: var(--surface-3); border-radius: var(--radius-pill); padding: 5px 10px; text-align: center; }
.flow-row p { color: var(--ink-2); font-size: .96rem; }

/* Chips */
.chips { display: flex; flex-wrap: wrap; gap: 10px; }
.chip { border: 1px solid var(--line-2); border-radius: var(--radius-pill); padding: 9px 16px; background: var(--surface); font-size: .92rem; font-weight: 500; }

/* Feature rows */
.feat { display: grid; gap: 14px; }
.feat-item { display: grid; grid-template-columns: 24px 1fr; gap: 12px; align-items: start; }
/* Groen merk-accent op de site (design-punt 2, golf 3): de feature-vinkjes krijgen het
   getokende brand-groen (--accent-brand-ink haalt AA op wit). Zo verschijnt het accent
   ook op de marketing-site, uit dezelfde gedeelde tokenbron als de app. */
.feat-tick { color: var(--accent-brand-ink); font-weight: 700; }

/* CTA */
.cta { text-align: center; padding: 100px 0; }
.cta h2 { font-family: var(--display); font-weight: 500; font-size: clamp(2rem, 4.4vw, 3rem); margin-bottom: 14px; letter-spacing: -0.012em; }
.cta p { font-size: 1.1rem; color: var(--ink-2); max-width: 52ch; margin: 0 auto 26px; }
.cta .actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

/* Footer */
footer { border-top: 1px solid var(--line); padding: 40px 0; color: var(--muted); font-size: .88rem; }
.foot-inner { display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.foot-links { display: flex; gap: 22px; flex-wrap: wrap; }
.foot-links a:hover { color: var(--ink); }

/* Responsive */
@media (max-width: 860px) {
  .nav-links { display: none; }
  .grid-2, .grid-3, .tcards { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .wrap { padding: 0 18px; }
  .nav-inner { height: 56px; }
  .section { padding: 60px 0; }
  .cta { padding: 68px 0; }
  .flow-row { grid-template-columns: 1fr; gap: 6px; }
  .flow-lab { justify-self: start; }
}

/* ==== ws6b append: mobiel hamburger-menu (zelfde patroon als index.html) +
   scroll-margin op ankers. Alleen nieuwe regels, niets hierboven gewijzigd. ==== */
[id] { scroll-margin-top: 92px; }
.nav-burger { display: none; align-items: center; justify-content: center; width: 36px; height: 36px; border: 1px solid var(--line-2); border-radius: 9px; background: var(--surface); cursor: pointer; flex: none; padding: 0; }
.nav-burger:hover { border-color: var(--ink); }
.nav-burger span { display: block; width: 16px; height: 1.5px; background: var(--ink); position: relative; }
.nav-burger span::before, .nav-burger span::after { content: ""; position: absolute; left: 0; width: 16px; height: 1.5px; background: var(--ink); transition: transform .18s ease; }
.nav-burger span::before { top: -5px; }
.nav-burger span::after { top: 5px; }
.nav-burger[aria-expanded="true"] span { background: transparent; }
.nav-burger[aria-expanded="true"] span::before { transform: translateY(5px) rotate(45deg); }
.nav-burger[aria-expanded="true"] span::after { transform: translateY(-5px) rotate(-45deg); }
.nav-mobile { display: none; background: var(--surface); border-bottom: 1px solid var(--line); }
.nav-mobile.open { display: block; }
.nav-mobile-inner { display: flex; flex-direction: column; padding: 6px 0 18px; }
.nav-mobile a { display: block; padding: 12px 4px; font-size: .96rem; color: var(--ink-2); border-bottom: 1px solid var(--line); }
.nav-mobile a:last-of-type { border-bottom: 0; }
.nav-mobile a:hover { color: var(--ink); }
.nav-mobile-langs { display: flex; gap: 8px; flex-wrap: wrap; padding: 14px 4px 0; }
.nav-mobile-langs button { padding: 6px 12px; border: 1px solid var(--line-2); border-radius: 999px; background: var(--surface); font: inherit; font-size: .82rem; font-weight: 600; color: var(--ink-2); cursor: pointer; }
.nav-mobile-langs button.active { border-color: var(--ink); color: var(--ink); }
@media (max-width: 920px) {
  .nav-links { display: none; }
  .nav-burger { display: inline-flex; }
}
@media (max-width: 600px) {
  .nav-cta { gap: 6px; }
  .nav-cta .lang { display: none; }
  .nav-cta a.btn-ghost { display: none; }
  .nav .btn { padding: 8px 13px; font-size: .85rem; white-space: nowrap; }
}

/* ==== Dark (Perplexity-palet). Staat NA de @import van tokens.css, dus deze waarden
   winnen bij gelijke specificiteit van de grijze dark-tokens daar. Pagina's die met
   data-theme="light" gepind zijn, blijven onaangeroerd. ==== */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --bg: #191a1a;
    --surface: #202222;
    --surface-2: #1d1f1f;
    --surface-3: #2a2c2c;
    --ink: #e8e8e3;
    --ink-2: #b3b8b5;
    --muted: #8f9693;
    --line: rgba(232, 232, 227, 0.12);
    --line-2: rgba(232, 232, 227, 0.22);
    --link: #4cc8d9;
    --accent: #20b8cd;
    --accent-2: #4cc8d9;
    --accent-wash: rgba(32, 184, 205, 0.1);
    --accent-brand: #20b8cd;
    --accent-brand-wash: rgba(32, 184, 205, 0.12);
    --accent-brand-ink: #4cc8d9;
    --btn-solid-bg: #20b8cd;
    --btn-solid-fg: #0b2a30;
    --btn-solid-bg-hover: #4cc8d9;
    --shadow-float: 0 24px 60px -24px rgba(0, 0, 0, 0.6);
  }
  :root:not([data-theme="light"]) .nav { background: rgba(25, 26, 26, 0.8); }
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #191a1a;
  --surface: #202222;
  --surface-2: #1d1f1f;
  --surface-3: #2a2c2c;
  --ink: #e8e8e3;
  --ink-2: #b3b8b5;
  --muted: #8f9693;
  --line: rgba(232, 232, 227, 0.12);
  --line-2: rgba(232, 232, 227, 0.22);
  --link: #4cc8d9;
  --accent: #20b8cd;
  --accent-2: #4cc8d9;
  --accent-wash: rgba(32, 184, 205, 0.1);
  --accent-brand: #20b8cd;
  --accent-brand-wash: rgba(32, 184, 205, 0.12);
  --accent-brand-ink: #4cc8d9;
  --btn-solid-bg: #20b8cd;
  --btn-solid-fg: #0b2a30;
  --btn-solid-bg-hover: #4cc8d9;
  --shadow-float: 0 24px 60px -24px rgba(0, 0, 0, 0.6);
}
:root[data-theme="dark"] .nav { background: rgba(25, 26, 26, 0.8); }