/* ==========================================================================
   De Kapperij — Shared Design System
   styles.css — tokens + chrome + components + motion
   Every page and webshop step links THIS file and reuses these classes.
   Mobile-first: base = small screens, min-width media queries scale up.
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Design tokens
   -------------------------------------------------------------------------- */
:root {
  /* --- Brand palette: warm charcoal ink + cream base + caramel accent ----- */
  --color-ink: #191717;
  --color-ink-strong: #111110;
  --color-ink-soft: #2d2d2d;
  --color-secondary: #50493f;        /* warm taupe, from reference --colorMonodo */
  --color-accent: #c8a24b;           /* warm caramel — primary CTA */
  --color-accent-strong: #a9842f;
  --color-accent-soft: #f0e3c4;
  --color-amber: #fec600;            /* source-site highlight, used sparingly */
  --color-coral: #ff7856;            /* from reference --colorMelon1 */
  --color-coral-soft: #f2cece;       /* from reference --colorAbloom */

  /* Neutrals */
  --color-white: #ffffff;
  --color-cream: #fbf7f0;            /* page canvas */
  --color-cream-deep: #f7f3ec;
  --color-paper: #f9f9f9;
  --color-neutral-100: #f2f0ec;
  --color-neutral-200: #e4e0d8;
  --color-neutral-300: #cecece;
  --color-neutral-400: #a9a49c;
  --color-neutral-500: #878787;
  --color-neutral-600: #6f6a63;
  --color-neutral-700: #4d4d4d;
  --color-neutral-800: #2d2d2d;
  --color-neutral-900: #191717;

  /* Semantic roles */
  --color-bg: var(--color-cream);
  --color-bg-alt: var(--color-cream-deep);
  --color-surface: var(--color-white);
  --color-text: var(--color-ink);
  --color-text-muted: var(--color-neutral-600);
  --color-text-subtle: var(--color-neutral-500);
  --color-text-inverse: var(--color-cream);
  --color-border: rgba(25, 23, 23, 0.12);
  --color-border-strong: rgba(25, 23, 23, 0.22);
  --color-success: #3f7d4e;
  --color-danger: #b23b2e;
  --color-focus: var(--color-accent-strong);

  /* Reference aliases (kept so imported snippets keep working) */
  --colorRed: var(--color-danger);
  --colorTutu: #f9e4e4;
  --colorAmber: #ffbf00;
  --colorBlack: #000;
  --colorHusky: #deedfa;
  --colorLivid: #608bd3;
  --colorOhBoy: #bbd6fb;
  --colorWhite: #fff;
  --colorAbloom: #f2cece;
  --colorMelon1: #ff7856;
  --colorMelon2: #ff7452;
  --colorMonodo: #50493f;

  /* --- Typography -------------------------------------------------------- */
  --font-display: "Space Grotesk", "Outfit", "Plus Jakarta Sans", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --font-body: "Plus Jakarta Sans", "Helvetica Neue", Helvetica, Verdana, Arial, sans-serif;
  --font-serif: "Playfair Display", Georgia, "Times New Roman", serif;
  --font-mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --defaultFontStack: var(--font-body);

  --weight-regular: 400;
  --weight-medium: 500;
  --weight-semibold: 600;
  --weight-bold: 700;

  /* Fluid type scale */
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-md: clamp(1.0625rem, 1rem + 0.3vw, 1.125rem);
  --text-lg: clamp(1.25rem, 1.15rem + 0.5vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.3rem + 1vw, 2rem);
  --text-2xl: clamp(1.875rem, 1.5rem + 1.8vw, 2.75rem);
  --text-3xl: clamp(2.25rem, 1.7rem + 2.8vw, 3.75rem);
  --text-4xl: clamp(2.75rem, 1.9rem + 4vw, 4.75rem);

  --leading-tight: 1.12;
  --leading-snug: 1.3;
  --leading-normal: 1.6;
  --leading-relaxed: 1.75;
  --tracking-tight: -0.02em;
  --tracking-wide: 0.06em;

  /* --- Spacing scale (4px base) ----------------------------------------- */
  --space-0: 0;
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 4rem;
  --space-9: 6rem;
  --space-10: 8rem;

  /* --- Radius ------------------------------------------------------------ */
  --radius-xs: 4px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 32px;
  --radius-pill: 999px;

  /* --- Shadows ----------------------------------------------------------- */
  --shadow-xs: 0 1px 2px rgba(25, 23, 23, 0.06);
  --shadow-sm: 0 2px 8px rgba(25, 23, 23, 0.08);
  --shadow-md: 0 8px 24px rgba(25, 23, 23, 0.10);
  --shadow-lg: 0 18px 48px rgba(25, 23, 23, 0.14);
  --shadow-xl: 0 32px 72px rgba(25, 23, 23, 0.20);

  /* --- Layout ------------------------------------------------------------ */
  --container-max: 1120px;
  --container-narrow: 760px;
  --container-pad: var(--space-5);
  --header-height: 68px;

  /* --- Motion ------------------------------------------------------------ */
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --duration-fast: 150ms;
  --duration-base: 300ms;
  --duration-slow: 600ms;
  --duration-reveal: 700ms;

  --z-header: 100;
  --z-overlay: 200;
  --z-modal: 300;
}

/* --------------------------------------------------------------------------
   2. Reset & base
   -------------------------------------------------------------------------- */
*,
*::before,
*::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4, h5, h6 {
  margin: 0 0 var(--space-4);
  font-family: var(--font-display);
  font-weight: var(--weight-semibold);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
  color: var(--color-ink-strong);
}

h1 { font-size: var(--text-3xl); }
h2 { font-size: var(--text-2xl); }
h3 { font-size: var(--text-xl); }
h4 { font-size: var(--text-lg); }

p { margin: 0 0 var(--space-4); }
p:last-child { margin-bottom: 0; }

a {
  color: inherit;
  text-decoration-color: var(--color-accent);
  text-underline-offset: 0.18em;
}
a:hover { color: var(--color-accent-strong); }

img, picture, svg, video {
  display: block;
  max-width: 100%;
  height: auto;
}

ul, ol { margin: 0 0 var(--space-4); padding-left: 1.25rem; }

hr {
  border: 0;
  border-top: 1px solid var(--color-border);
  margin: var(--space-6) 0;
}

::selection {
  background: var(--color-accent);
  color: var(--color-ink-strong);
}

:focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: 2px;
  border-radius: var(--radius-xs);
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: var(--z-modal);
  padding: var(--space-3) var(--space-5);
  background: var(--color-ink-strong);
  color: var(--color-text-inverse);
  border-radius: 0 0 var(--radius-sm) 0;
}
.skip-link:focus { left: 0; }

/* --------------------------------------------------------------------------
   3. Layout helpers
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}
.container--narrow { max-width: var(--container-narrow); }
.container--wide { max-width: 1360px; }

.section { padding-block: var(--space-8); }
.section--tight { padding-block: var(--space-6); }
.section--alt { background: var(--color-bg-alt); }
.section--dark {
  background: var(--color-ink-strong);
  color: var(--color-text-inverse);
}
.section--dark h1,
.section--dark h2,
.section--dark h3,
.section--dark h4 { color: var(--color-text-inverse); }

.grid {
  display: grid;
  gap: var(--space-5);
  grid-template-columns: 1fr;
}
.flex {
  display: flex;
  gap: var(--space-4);
  align-items: center;
  flex-wrap: wrap;
}
.flex--between { justify-content: space-between; }
.flex--center { justify-content: center; }
.flex--column { flex-direction: column; align-items: flex-start; }

.stack > * + * { margin-top: var(--space-4); }
.text-center { text-align: center; }
.text-muted { color: var(--color-text-muted); }
.lead { font-size: var(--text-md); line-height: var(--leading-relaxed); color: var(--color-text-muted); }

@media (min-width: 640px) {
  .grid--2 { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 768px) {
  .grid--3 { grid-template-columns: repeat(3, 1fr); }
  .section { padding-block: var(--space-9); }
}
@media (min-width: 1024px) {
  .grid--4 { grid-template-columns: repeat(4, 1fr); }
  .grid--auto { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
  :root { --container-pad: var(--space-6); }
}

/* --------------------------------------------------------------------------
   4. Buttons
   -------------------------------------------------------------------------- */
.btn {
  --btn-bg: var(--color-ink-strong);
  --btn-fg: var(--color-white);
  --btn-border: transparent;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  line-height: 1.2;
  letter-spacing: 0.01em;
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
  border: 1.5px solid var(--btn-border);
  border-radius: var(--radius-pill);
  background: var(--btn-bg);
  color: var(--btn-fg);
  transition: transform var(--duration-fast) var(--ease-out),
              box-shadow var(--duration-base) var(--ease-out),
              background-color var(--duration-base) var(--ease-out),
              color var(--duration-base) var(--ease-out),
              border-color var(--duration-base) var(--ease-out);
}
.btn:hover { color: var(--btn-fg); transform: translateY(-1px); box-shadow: var(--shadow-sm); }
.btn:active { transform: translateY(0); }
.btn:disabled,
.btn[aria-disabled="true"] { opacity: 0.5; cursor: not-allowed; transform: none; box-shadow: none; }

.btn--primary {
  --btn-bg: var(--color-accent);
  --btn-fg: var(--color-ink-strong);
}
.btn--primary:hover { --btn-bg: var(--color-accent-strong); --btn-fg: var(--color-white); }

.btn--secondary {
  --btn-bg: transparent;
  --btn-fg: var(--color-ink-strong);
  --btn-border: var(--color-border-strong);
}
.btn--secondary:hover { --btn-bg: var(--color-ink-strong); --btn-fg: var(--color-white); --btn-border: var(--color-ink-strong); }

.btn--ghost {
  --btn-bg: transparent;
  --btn-fg: var(--color-ink-strong);
  --btn-border: transparent;
}
.btn--ghost:hover { --btn-bg: rgba(25, 23, 23, 0.06); }

.btn--light {
  --btn-bg: var(--color-white);
  --btn-fg: var(--color-ink-strong);
}
.btn--sm { padding: var(--space-2) var(--space-4); font-size: var(--text-xs); }
.btn--lg { padding: var(--space-4) var(--space-7); font-size: var(--text-base); }
.btn--block { display: flex; width: 100%; }

/* --------------------------------------------------------------------------
   5. Cards, badges, forms
   -------------------------------------------------------------------------- */
.card {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding: var(--space-5);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xs);
  transition: transform var(--duration-base) var(--ease-out),
              box-shadow var(--duration-base) var(--ease-out),
              border-color var(--duration-base) var(--ease-out);
}
.card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); border-color: var(--color-border-strong); }
.card__title { margin: 0; font-size: var(--text-lg); }
.card__text { margin: 0; color: var(--color-text-muted); font-size: var(--text-sm); line-height: var(--leading-relaxed); }
.card__price { font-family: var(--font-display); font-size: var(--text-lg); font-weight: var(--weight-bold); color: var(--color-ink-strong); }
.card--accent { border-color: var(--color-accent); box-shadow: 0 12px 32px rgba(200, 162, 75, 0.18); }
.card--flat { box-shadow: none; }
.card--flat:hover { transform: none; box-shadow: var(--shadow-xs); }

.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--color-ink-strong);
  background: var(--color-accent-soft);
  border-radius: var(--radius-pill);
}
.badge--dark { background: var(--color-ink-strong); color: var(--color-text-inverse); }

.field { display: flex; flex-direction: column; gap: var(--space-2); margin-bottom: var(--space-4); }
.field label { font-size: var(--text-sm); font-weight: var(--weight-semibold); }
.input,
.textarea,
.select {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  font: inherit;
  color: var(--color-text);
  background: var(--color-surface);
  border: 1.5px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  transition: border-color var(--duration-base) var(--ease-out), box-shadow var(--duration-base) var(--ease-out);
}
.input:focus,
.textarea:focus,
.select:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 4px rgba(200, 162, 75, 0.18);
}
.textarea { min-height: 8rem; resize: vertical; }

.quote {
  font-family: var(--font-serif);
  font-size: var(--text-lg);
  font-style: italic;
  line-height: var(--leading-snug);
  color: var(--color-ink-soft);
}

/* --------------------------------------------------------------------------
   6. Site chrome — header / nav (reused verbatim on every page)
   -------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  background: rgba(251, 247, 240, 0.9);
  border-bottom: 1px solid var(--color-border);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  min-height: var(--header-height);
}

.site-brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: var(--weight-bold);
  letter-spacing: var(--tracking-tight);
  color: var(--color-ink-strong);
  text-decoration: none;
}
.site-brand:hover { color: var(--color-ink-strong); }
.site-brand__mark {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: var(--radius-pill);
  background: var(--color-ink-strong);
  color: var(--color-accent);
  font-size: var(--text-base);
  font-weight: var(--weight-bold);
}
.site-brand__text { display: flex; flex-direction: column; line-height: 1.05; }
.site-brand__tag { font-family: var(--font-body); font-size: var(--text-xs); font-weight: var(--weight-medium); color: var(--color-text-muted); letter-spacing: 0; }

.site-header__actions { display: flex; align-items: center; gap: var(--space-3); }
.site-header__phone { display: none; font-size: var(--text-sm); font-weight: var(--weight-semibold); text-decoration: none; color: var(--color-ink-strong); }
.site-header__phone:hover { color: var(--color-accent-strong); }

/* Keep the header from overflowing on narrow phones: the primary CTA lives
   in the always-visible nav panel and the page body, so the slim header can
   drop it below 560px while keeping brand + menu button reachable. */
.site-brand { min-width: 0; }
.site-brand__text { min-width: 0; }
@media (max-width: 559px) {
  .site-header__cta { display: none; }
}

.site-nav { display: none; }
.site-nav__list {
  display: flex;
  align-items: center;
  gap: var(--space-5);
  margin: 0;
  padding: 0;
  list-style: none;
}
.site-nav__link {
  position: relative;
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  text-decoration: none;
  color: var(--color-ink-soft);
  padding-block: var(--space-2);
}
.site-nav__link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 2px;
  background: var(--color-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--duration-base) var(--ease-out);
}
.site-nav__link:hover,
.site-nav__link[aria-current="page"] { color: var(--color-ink-strong); }
.site-nav__link:hover::after,
.site-nav__link[aria-current="page"]::after { transform: scaleX(1); }

.site-nav-toggle {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  background: transparent;
  border: 1.5px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  cursor: pointer;
}
.site-nav-toggle__bar {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-ink-strong);
  border-radius: 2px;
  transition: transform var(--duration-base) var(--ease-out), opacity var(--duration-fast) var(--ease-out);
}
.site-header.is-open .site-nav-toggle__bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.site-header.is-open .site-nav-toggle__bar:nth-child(2) { opacity: 0; }
.site-header.is-open .site-nav-toggle__bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 899px) {
  .site-nav {
    position: fixed;
    inset: var(--header-height) 0 auto 0;
    display: block;
    padding: var(--space-5) var(--space-6) var(--space-7);
    background: var(--color-cream);
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-lg);
    transform: translateY(-120%);
    visibility: hidden;
    transition: transform var(--duration-base) var(--ease-out), visibility 0s linear var(--duration-base);
  }
  .site-header.is-open .site-nav {
    transform: translateY(0);
    visibility: visible;
    transition: transform var(--duration-base) var(--ease-out);
  }
  .site-nav__list { flex-direction: column; align-items: stretch; gap: 0; }
  .site-nav__link { display: block; padding: var(--space-4) 0; font-size: var(--text-md); border-bottom: 1px solid var(--color-border); }
  .site-nav__link::after { display: none; }
}

/* --------------------------------------------------------------------------
   6b. No-JS safety net — CSS-only mobile navigation
   The default mobile nav opens via the styled button + a tiny script. If
   JavaScript never runs, this <details> element (same links) is revealed by
   pure CSS so navigation is still reachable at every width. An inline script
   drops the .no-js class from <html> as soon as JS is available, which hides
   this fallback.
   -------------------------------------------------------------------------- */
.no-js .site-nav { display: none; }
.site-nav-fallback { display: none; }

@media (max-width: 899px) {
  .no-js .site-nav-fallback {
    display: block;
    margin-top: var(--space-2);
  }
  .site-nav-fallback summary {
    display: inline-flex;
    align-items: center;
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-sm);
    font-weight: var(--weight-semibold);
    color: var(--color-ink-strong);
    background: var(--color-accent);
    border-radius: var(--radius-pill);
    cursor: pointer;
    list-style: none;
  }
  .site-nav-fallback summary::-webkit-details-marker { display: none; }
  .site-nav-fallback summary:hover { background: var(--color-accent-strong); color: var(--color-white); }
  .site-nav-fallback[open] summary { margin-bottom: var(--space-2); }
  .site-nav-fallback .site-nav__list { margin: 0; padding: 0; }
  .site-nav-fallback .site-nav__link { display: block; padding: var(--space-3) 0; border-bottom: 1px solid var(--color-border); }
}
@media (min-width: 900px) {
  .site-nav-fallback { display: none !important; }
}

@media (min-width: 900px) {
  .site-nav { display: block; }
  .site-nav-toggle { display: none; }
  .site-nav__list { gap: var(--space-4); }
}
@media (min-width: 1080px) {
  .site-header__phone { display: inline-flex; }
  .site-nav__list { gap: var(--space-5); }
}

/* --------------------------------------------------------------------------
   7. Site chrome — footer (reused verbatim on every page)
   -------------------------------------------------------------------------- */
.site-footer {
  background: var(--color-ink-strong);
  color: var(--color-text-inverse);
  padding-top: var(--space-8);
}
.site-footer a { text-decoration: none; color: rgba(251, 247, 240, 0.78); }
.site-footer a:hover { color: var(--color-accent); }

.footer-grid {
  display: grid;
  gap: var(--space-6);
  grid-template-columns: 1fr;
  padding-bottom: var(--space-7);
}
.footer-col { display: flex; flex-direction: column; gap: var(--space-3); }
.footer-col__title {
  margin: 0 0 var(--space-2);
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--color-accent);
}
.footer-col__text { margin: 0; font-size: var(--text-sm); line-height: var(--leading-relaxed); color: rgba(251, 247, 240, 0.68); }
.footer-links { display: flex; flex-direction: column; gap: var(--space-2); margin: 0; padding: 0; list-style: none; }
.footer-links a { font-size: var(--text-sm); }
.footer-brand { font-family: var(--font-display); font-size: var(--text-lg); font-weight: var(--weight-bold); color: var(--color-text-inverse); }

.footer-bottom {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding-block: var(--space-5);
  border-top: 1px solid rgba(251, 247, 240, 0.16);
  font-size: var(--text-xs);
  color: rgba(251, 247, 240, 0.6);
}
.footer-bottom__links { display: flex; gap: var(--space-4); flex-wrap: wrap; }

@media (min-width: 640px) {
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 900px) {
  .footer-grid { grid-template-columns: 1.6fr 1fr 1fr 1.2fr; }
  .footer-bottom { flex-direction: row; align-items: center; justify-content: space-between; }
}

/* --------------------------------------------------------------------------
   8. Motion — reusable animation & transition classes
   -------------------------------------------------------------------------- */
@keyframes fade-up {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fade-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}
@keyframes marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}
@keyframes loader-dots {
  0%   { background-color: rgb(249, 249, 249); }
  50%  { background-color: rgb(135, 135, 135); }
  100% { background-color: rgb(249, 249, 249); }
}
@keyframes spring-left {
  0%   { margin-left: 0; }
  50%  { margin-left: 10%; }
  100% { margin-left: 0; }
}
@keyframes spring-right {
  0%   { margin-left: 0; }
  50%  { margin-left: -10%; }
  100% { margin-left: 0; }
}
@keyframes spin {
  from { transform: rotate(0deg); }
  to   { transform: rotate(359deg); }
}

/* Scroll reveal: add .reveal to an element, JS toggles .is-visible */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity var(--duration-reveal) var(--ease-out),
              transform var(--duration-reveal) var(--ease-out);
  will-change: opacity, transform;
}
.reveal.is-visible { opacity: 1; transform: translateY(0); }

/* One-shot entrance animation helpers */
.fade-up { animation: fade-up var(--duration-reveal) var(--ease-out) both; }
.fade-in { animation: fade-in var(--duration-slow) var(--ease-out) both; }
.spring-left { animation: spring-left 2.4s var(--ease-in-out) infinite; }
.spring-right { animation: spring-right 2.4s var(--ease-in-out) infinite; }
.spin { animation: spin 1.1s linear infinite; }

/* Marquee / ticker: duplicate the track content for a seamless loop */
.marquee { overflow: hidden; }
.marquee__track {
  display: flex;
  width: max-content;
  gap: var(--space-6);
  animation: marquee 30s linear infinite;
}
.marquee:hover .marquee__track { animation-play-state: paused; }

/* Loading dots: three dots pulsing in sequence */
.loader-dots { display: inline-flex; gap: var(--space-2); }
.loader-dots__dot {
  width: 10px;
  height: 10px;
  border-radius: var(--radius-pill);
  background: var(--color-neutral-500);
  animation: loader-dots 1.2s ease-in-out infinite both;
}
.loader-dots__dot:nth-child(2) { animation-delay: 0.2s; }
.loader-dots__dot:nth-child(3) { animation-delay: 0.4s; }

/* Generic interactive transition helpers */
.lift { transition: transform var(--duration-base) var(--ease-out), box-shadow var(--duration-base) var(--ease-out); }
.lift:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }

.grow-underline {
  background-image: linear-gradient(var(--color-accent), var(--color-accent));
  background-repeat: no-repeat;
  background-position: 0 100%;
  background-size: 0% 2px;
  transition: background-size var(--duration-base) var(--ease-out);
}
.grow-underline:hover { background-size: 100% 2px; }

/* Respect reduced-motion preferences */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}

/* --------------------------------------------------------------------------
   9. Utilities
   -------------------------------------------------------------------------- */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.mt-6 { margin-top: var(--space-6); }
.mx-auto { margin-inline: auto; }
.radius-lg { border-radius: var(--radius-lg); }
.shadow-md { box-shadow: var(--shadow-md); }
.w-full { width: 100%; }