/* ==========================================================================
   Own Avenue — design system
   Warm editorial. Ink and clay. Serif display, clean sans body.
   One stylesheet, no build step, no external requests.
   ========================================================================== */

:root {
  /* palette */
  --ink: #12100e;
  --ink-2: #1c1917;
  --ink-3: #292421;
  --paper: #faf7f2;
  --paper-2: #f2ece2;
  --text: #1c1917;
  --text-soft: #57504a;
  --text-faint: #8a8078;
  --line: #e2d9cc;
  --clay: #c85a2c;
  --clay-soft: #e88a5c;
  --sage: #4e6b58;
  --sage-soft: #7d9b87;
  --gold: #b8893a;

  --bg: var(--paper);
  --bg-raised: #fffdfa;
  --bg-sunken: var(--paper-2);
  --fg: var(--text);
  --fg-soft: var(--text-soft);
  --fg-faint: var(--text-faint);
  --border: var(--line);
  --accent: var(--clay);
  --accent-fg: #fff;

  /* type */
  --serif: 'Iowan Old Style', 'Palatino Linotype', Palatino, 'Book Antiqua', Georgia, serif;
  --sans: ui-sans-serif, system-ui, -apple-system, 'Segoe UI', Inter, Roboto, Helvetica, Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, 'SF Mono', Menlo, Consolas, monospace;

  /* space */
  --gutter: clamp(1.25rem, 5vw, 3rem);
  --max: 68rem;
  --narrow: 42rem;
  --radius: 14px;
  --radius-sm: 9px;
  --shadow: 0 1px 2px rgba(28, 25, 23, .04), 0 8px 28px -12px rgba(28, 25, 23, .14);
  --shadow-lg: 0 2px 4px rgba(28, 25, 23, .05), 0 24px 60px -20px rgba(28, 25, 23, .22);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: var(--ink);
    --bg-raised: var(--ink-2);
    --bg-sunken: #0c0a09;
    --fg: #f5f0e8;
    --fg-soft: #b4aaa0;
    --fg-faint: #837a72;
    --border: #322c28;
    --accent: var(--clay-soft);
    --accent-fg: #1a0f08;
    --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 8px 28px -12px rgba(0, 0, 0, .6);
    --shadow-lg: 0 2px 4px rgba(0, 0, 0, .3), 0 24px 60px -20px rgba(0, 0, 0, .7);
  }
}

:root[data-theme='dark'] {
  --bg: var(--ink);
  --bg-raised: var(--ink-2);
  --bg-sunken: #0c0a09;
  --fg: #f5f0e8;
  --fg-soft: #b4aaa0;
  --fg-faint: #837a72;
  --border: #322c28;
  --accent: var(--clay-soft);
  --accent-fg: #1a0f08;
}

:root[data-theme='light'] {
  --bg: var(--paper);
  --bg-raised: #fffdfa;
  --bg-sunken: var(--paper-2);
  --fg: var(--text);
  --fg-soft: var(--text-soft);
  --fg-faint: var(--text-faint);
  --border: var(--line);
  --accent: var(--clay);
  --accent-fg: #fff;
}

/* ------------------------------------------------------------------ reset */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}

body {
  font-family: var(--sans);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--fg);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; }
button, input, select, textarea { font: inherit; color: inherit; }
a { color: inherit; text-decoration-color: color-mix(in srgb, var(--accent) 55%, transparent); text-underline-offset: 3px; }
a:hover { text-decoration-color: var(--accent); }

::selection { background: color-mix(in srgb, var(--accent) 30%, transparent); }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ------------------------------------------------------------------- type */
h1, h2, h3, h4 { font-family: var(--serif); font-weight: 600; line-height: 1.12; letter-spacing: -.015em; text-wrap: balance; }
h1 { font-size: clamp(2.4rem, 6.5vw, 4.25rem); }
h2 { font-size: clamp(1.85rem, 4vw, 2.7rem); }
h3 { font-size: clamp(1.25rem, 2.2vw, 1.6rem); }
h4 { font-size: 1.1rem; }
p { text-wrap: pretty; }

.eyebrow {
  font-family: var(--sans);
  font-size: .75rem;
  font-weight: 650;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--accent);
}
.lede { font-size: clamp(1.15rem, 2vw, 1.4rem); line-height: 1.55; color: var(--fg-soft); }
.soft { color: var(--fg-soft); }
.faint { color: var(--fg-faint); font-size: .9rem; }
.serif { font-family: var(--serif); }

/* ----------------------------------------------------------------- layout */
.wrap { width: 100%; max-width: var(--max); margin-inline: auto; padding-inline: var(--gutter); }
.wrap-narrow { width: 100%; max-width: var(--narrow); margin-inline: auto; padding-inline: var(--gutter); }
section { padding-block: clamp(3.5rem, 9vw, 7rem); }
.stack > * + * { margin-top: 1rem; }
.stack-lg > * + * { margin-top: 2rem; }
.grid { display: grid; gap: 1.25rem; }
@media (min-width: 720px) {
  .grid-2 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
}
@media (min-width: 980px) { .grid-4 { grid-template-columns: repeat(4, 1fr); } }
@media (max-width: 979px) and (min-width: 620px) { .grid-4 { grid-template-columns: repeat(2, 1fr); } }

.sunken { background: var(--bg-sunken); }
.rule { height: 1px; background: var(--border); border: 0; }

/* -------------------------------------------------------------------- nav */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--bg) 85%, transparent);
  backdrop-filter: saturate(150%) blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-inner { display: flex; align-items: center; gap: 1.5rem; height: 62px; }
.brand {
  font-family: var(--serif); font-size: 1.2rem; font-weight: 650; letter-spacing: -.02em;
  text-decoration: none; display: flex; align-items: center; gap: .5rem;
  white-space: nowrap; flex: none;
}
/* Narrow phones: shrink the chrome so the brand and CTA share one line. */
@media (max-width: 420px) {
  .nav-inner { gap: .6rem; }
  .brand { font-size: 1.02rem; }
  .nav .btn { padding: .58rem .9rem; font-size: .88rem; white-space: nowrap; }
}
.brand-mark {
  width: 22px; height: 22px; flex: none; border-radius: 50%;
  background: conic-gradient(from 210deg, var(--accent), var(--gold), var(--sage-soft), var(--accent));
}
.nav-links { display: none; gap: 1.5rem; margin-left: auto; font-size: .94rem; }
.nav-links a { text-decoration: none; color: var(--fg-soft); }
.nav-links a:hover, .nav-links a[aria-current='page'] { color: var(--fg); }
.nav .btn { margin-left: auto; }
.nav-links + .btn { margin-left: 0; }
@media (min-width: 860px) { .nav-links { display: flex; } }

/* ----------------------------------------------------------------- button */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  padding: .72rem 1.35rem;
  border-radius: 999px;
  border: 1px solid transparent;
  background: var(--accent); color: var(--accent-fg);
  font-size: .96rem; font-weight: 600; line-height: 1;
  text-decoration: none; cursor: pointer;
  transition: transform .15s ease, box-shadow .2s ease, background .2s ease, opacity .2s ease;
  box-shadow: 0 1px 2px rgba(0,0,0,.08);
}
.btn:hover { transform: translateY(-1px); box-shadow: var(--shadow); }
.btn:active { transform: translateY(0); }
.btn:disabled { opacity: .45; cursor: not-allowed; transform: none; }
.btn-ghost { background: transparent; color: var(--fg); border-color: var(--border); box-shadow: none; }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }
.btn-lg { padding: .95rem 1.9rem; font-size: 1.03rem; }
.btn-block { width: 100%; }

/* ------------------------------------------------------------------- card */
.card {
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
}
.card-pad-lg { padding: clamp(1.5rem, 4vw, 2.5rem); }
.card-accent { border-left: 3px solid var(--accent); }

.pill {
  display: inline-flex; align-items: center; gap: .4rem;
  padding: .28rem .7rem; border-radius: 999px;
  background: color-mix(in srgb, var(--accent) 12%, transparent);
  color: var(--accent);
  border: 1px solid color-mix(in srgb, var(--accent) 28%, transparent);
  font-size: .78rem; font-weight: 600; letter-spacing: .01em;
}
.pill-quiet { background: var(--bg-sunken); color: var(--fg-soft); border-color: var(--border); }

/* ------------------------------------------------------------------ forms */
.field { display: block; margin-bottom: 1rem; }
.input, .select, .textarea {
  width: 100%;
  padding: .8rem 1rem;
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  transition: border-color .15s ease, box-shadow .15s ease;
}
.input:focus, .select:focus, .textarea:focus {
  outline: none; border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 18%, transparent);
}

/* choice cards used by the assessment */
.choice {
  display: flex; gap: .9rem; align-items: flex-start;
  padding: 1rem 1.1rem;
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: border-color .15s ease, background .15s ease, transform .12s ease;
}
.choice:hover { border-color: color-mix(in srgb, var(--accent) 50%, var(--border)); transform: translateX(2px); }
.choice input { position: absolute; opacity: 0; pointer-events: none; }
.choice-box {
  flex: none; width: 20px; height: 20px; margin-top: 2px;
  border: 1.5px solid var(--border); border-radius: 50%;
  display: grid; place-items: center;
  transition: border-color .15s ease, background .15s ease;
}
.choice[data-multi='true'] .choice-box { border-radius: 6px; }
.choice-box::after {
  content: ''; width: 9px; height: 9px; border-radius: inherit;
  background: var(--accent); transform: scale(0); transition: transform .15s ease;
}
.choice[data-checked='true'] { border-color: var(--accent); background: color-mix(in srgb, var(--accent) 7%, var(--bg-raised)); }
.choice[data-checked='true'] .choice-box { border-color: var(--accent); }
.choice[data-checked='true'] .choice-box::after { transform: scale(1); }
.choice-label { display: block; font-weight: 550; }
.choice-sub { display: block; font-size: .87rem; color: var(--fg-soft); margin-top: .15rem; }

/* scale */
.scale { display: flex; gap: .5rem; }
.scale button {
  flex: 1; padding: .9rem .4rem; border-radius: var(--radius-sm);
  border: 1px solid var(--border); background: var(--bg-raised);
  font-weight: 600; cursor: pointer; transition: all .15s ease;
}
.scale button:hover { border-color: var(--accent); }
.scale button[aria-pressed='true'] { background: var(--accent); color: var(--accent-fg); border-color: var(--accent); }
.scale-labels { display: flex; justify-content: space-between; font-size: .8rem; color: var(--fg-faint); margin-top: .5rem; }

/* progress */
.progress { height: 3px; background: var(--border); border-radius: 999px; overflow: hidden; }
.progress-bar { height: 100%; background: var(--accent); width: 0; transition: width .35s cubic-bezier(.4,0,.2,1); }

/* ------------------------------------------------------------------- misc */
.badge-row { display: flex; flex-wrap: wrap; gap: .5rem; }
.numbered { list-style: none; padding: 0; counter-reset: n; }
.numbered li { counter-increment: n; position: relative; padding-left: 2.6rem; margin-bottom: 1.4rem; }
.numbered li::before {
  content: counter(n); position: absolute; left: 0; top: -1px;
  width: 1.85rem; height: 1.85rem; border-radius: 50%;
  display: grid; place-items: center;
  background: color-mix(in srgb, var(--accent) 12%, transparent);
  color: var(--accent); font-size: .82rem; font-weight: 700;
  font-variant-numeric: tabular-nums;
}
.checklist { list-style: none; padding: 0; }
.checklist li { position: relative; padding-left: 1.7rem; margin-bottom: .6rem; }
.checklist li::before {
  content: ''; position: absolute; left: 0; top: .62em;
  width: 7px; height: 7px; border-radius: 50%; background: var(--accent);
}

.quote {
  font-family: var(--serif); font-size: clamp(1.4rem, 3vw, 2rem);
  line-height: 1.35; font-style: italic; color: var(--fg);
  border-left: 3px solid var(--accent); padding-left: clamp(1rem, 3vw, 2rem);
}

.footer { border-top: 1px solid var(--border); padding-block: 3rem 4rem; background: var(--bg-sunken); }
.footer a { color: var(--fg-soft); text-decoration: none; }
.footer a:hover { color: var(--fg); }

.disclaimer {
  font-size: .84rem; line-height: 1.55; color: var(--fg-faint);
  border: 1px dashed var(--border); border-radius: var(--radius-sm);
  padding: 1rem 1.15rem; background: var(--bg-sunken);
}

.hidden { display: none !important; }
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

/* skip link */
.skip {
  position: absolute; left: -9999px; top: 0; z-index: 100;
  background: var(--accent); color: var(--accent-fg); padding: .7rem 1.2rem; border-radius: 0 0 8px 0;
}
.skip:focus { left: 0; }

/* scrollable overflow containers — tables, wide blocks */
.scroll-x { overflow-x: auto; -webkit-overflow-scrolling: touch; }

/* entrance */
.reveal { opacity: 0; transform: translateY(14px); transition: opacity .6s ease, transform .6s cubic-bezier(.2,.7,.3,1); }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; } }