/* AI Readiness Studio — Quadrance theme (cream / black / gold)
   Shared stylesheet for all pages. Editorial, calm, serif + grotesk. */

:root {
  --bg: #F5F0E8;
  --bg-warm: #EDE6D6;
  --bg-card: #FFFBF4;
  --dark: #1A1A1A;
  --dark-soft: #252525;
  --text: #2C2C2C;
  --text-secondary: #6B6560;
  --text-muted: #9B958D;
  --text-light: #F5F0E8;
  --border: #D9D3C7;
  --border-light: #E8E2D6;
  --accent: #C4A882;
  --accent-strong: #A8875C;
  --accent-soft: #E8D9BE;
  --danger: #A13E28;
  --success: #3E6B4F;
  --warn: #C47B56;

  --radius-sm: 4px;
  --radius: 8px;
  --radius-lg: 16px;
  --shadow: 0 1px 2px rgba(26,26,26,0.04), 0 8px 24px rgba(26,26,26,0.06);
  --shadow-lg: 0 4px 12px rgba(26,26,26,0.08), 0 24px 48px rgba(26,26,26,0.08);

  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-serif: 'Playfair Display', Georgia, 'Times New Roman', serif;

  --container: 1180px;
  --gutter: 24px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img { max-width: 100%; display: block; }
a { color: var(--dark); text-decoration: none; border-bottom: 1px solid transparent; transition: border-color .2s; }
a:hover { border-color: var(--accent); }
button { font: inherit; cursor: pointer; }
code, pre { font-family: 'JetBrains Mono', 'SF Mono', Menlo, monospace; font-size: 0.92em; }

/* ------- Typography ------- */
h1, h2, h3, h4 { font-family: var(--font-serif); font-weight: 500; color: var(--dark); line-height: 1.2; letter-spacing: -0.01em; margin: 0 0 0.5em; }
h1 { font-size: clamp(36px, 5vw, 64px); font-weight: 400; }
h2 { font-size: clamp(28px, 3.2vw, 42px); font-weight: 400; }
h3 { font-size: clamp(22px, 2.2vw, 28px); }
h4 { font-size: 18px; font-family: var(--font-body); font-weight: 600; letter-spacing: 0; }
.serif-italic { font-family: var(--font-serif); font-style: italic; font-weight: 400; }
.eyebrow { font-size: 12px; text-transform: uppercase; letter-spacing: 0.14em; color: var(--text-secondary); font-weight: 500; }
.lede { font-size: 20px; color: var(--text-secondary); line-height: 1.55; max-width: 64ch; }
.muted { color: var(--text-muted); }

/* ------- Layout ------- */
.container { max-width: var(--container); margin: 0 auto; padding: 0 var(--gutter); }
.section { padding: 72px 0; }
.section-tight { padding: 48px 0; }
.grid { display: grid; gap: 24px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 880px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .section { padding: 48px 0; }
}

.flex { display: flex; }
.flex-between { display: flex; justify-content: space-between; align-items: center; gap: 16px; }
.flex-center { display: flex; align-items: center; gap: 8px; }
.stack > * + * { margin-top: 16px; }
.stack-lg > * + * { margin-top: 32px; }
.hidden { display: none !important; }

/* ------- Header ------- */
.site-header {
  position: sticky; top: 0; z-index: 80;
  background: rgba(245,240,232,0.88);
  backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid var(--border-light);
}
.nav-row { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.brand { font-family: var(--font-serif); font-size: 20px; font-weight: 500; color: var(--dark); border: 0; }
.brand .mark { color: var(--accent-strong); }
.nav-links { display: flex; gap: 20px; align-items: center; }
.nav-links a { color: var(--text); font-size: 14.5px; font-weight: 400; border: 0; padding: 6px 2px; }
.nav-links a.active { color: var(--dark); border-bottom: 1px solid var(--accent-strong); }
.nav-links a:hover { color: var(--dark); }
.nav-cta { display: flex; gap: 10px; align-items: center; }
.nav-toggle { display: none; background: none; border: 0; }
@media (max-width: 960px) {
  .nav-links { display: none; }
  .nav-toggle { display: block; }
  .nav-links.open { display: flex; position: absolute; top: 68px; left: 0; right: 0; flex-direction: column; background: var(--bg); border-bottom: 1px solid var(--border); padding: 16px 24px; gap: 12px; }
}

/* ------- Buttons ------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 22px; border-radius: var(--radius); font-weight: 500; font-size: 15px;
  border: 1px solid var(--dark); background: var(--dark); color: var(--text-light);
  transition: transform .15s, background .15s, border-color .15s, color .15s, box-shadow .2s;
  cursor: pointer; text-decoration: none; line-height: 1;
}
.btn:hover { background: var(--dark-soft); transform: translateY(-1px); box-shadow: var(--shadow); }
.btn-ghost { background: transparent; color: var(--dark); border-color: var(--border); }
.btn-ghost:hover { background: var(--bg-warm); border-color: var(--dark); color: var(--dark); transform: translateY(-1px); }
.btn-gold { background: var(--accent-strong); border-color: var(--accent-strong); color: #fff; }
.btn-gold:hover { background: #8C6E44; border-color: #8C6E44; color: #fff; }
.btn-sm { padding: 8px 14px; font-size: 13.5px; }
.btn-lg { padding: 16px 32px; font-size: 16px; }
.btn-block { width: 100%; }
.btn:disabled { opacity: 0.55; cursor: not-allowed; transform: none; box-shadow: none; }

/* ------- Cards ------- */
.card {
  background: var(--bg-card); border: 1px solid var(--border-light); border-radius: var(--radius-lg);
  padding: 28px; transition: border-color .2s, box-shadow .2s, transform .2s;
}
.card:hover { border-color: var(--border); box-shadow: var(--shadow); }
.card-title { font-family: var(--font-serif); font-size: 22px; font-weight: 500; margin: 0 0 8px; color: var(--dark); }
.card-meta { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 12px; }
.tag {
  display: inline-block; font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase;
  padding: 4px 10px; border-radius: 999px; background: var(--bg-warm); color: var(--text-secondary); border: 1px solid var(--border-light);
}
.tag.gold { background: var(--accent-soft); color: var(--accent-strong); border-color: var(--accent-soft); }
.tag.dark { background: var(--dark); color: var(--text-light); border-color: var(--dark); }
.tag.green { background: #DCE8DF; color: var(--success); border-color: #C7DCCB; }
.tag.red { background: #F2DCD5; color: var(--danger); border-color: #E8CABD; }

/* ------- Hero ------- */
.hero { padding: 96px 0 64px; }
.hero-bar { display: inline-flex; align-items: center; gap: 10px; padding: 6px 14px; border: 1px solid var(--border); border-radius: 999px; background: var(--bg-card); font-size: 13px; color: var(--text-secondary); margin-bottom: 24px; }
.hero h1 { max-width: 18ch; margin-bottom: 20px; }
.hero .lede { margin-bottom: 32px; }
.hero-ctas { display: flex; gap: 12px; flex-wrap: wrap; }
.hero-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; margin-top: 72px; padding-top: 32px; border-top: 1px solid var(--border-light); }
.stat .n { font-family: var(--font-serif); font-size: 34px; color: var(--dark); display: block; }
.stat .l { font-size: 13px; color: var(--text-secondary); letter-spacing: 0.06em; text-transform: uppercase; }
@media (max-width: 720px) { .hero-stats { grid-template-columns: repeat(2, 1fr); gap: 16px; } }

/* ------- Forms ------- */
.form-row { display: flex; flex-direction: column; gap: 6px; margin-bottom: 16px; }
.form-row label { font-size: 13px; font-weight: 500; color: var(--text); letter-spacing: 0.02em; }
.form-row .hint { font-size: 12px; color: var(--text-muted); }
input[type="text"], input[type="email"], input[type="password"], input[type="url"], input[type="tel"], input[type="number"], select, textarea {
  width: 100%; padding: 11px 14px; font: inherit; color: var(--text);
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius);
  transition: border-color .15s, box-shadow .15s;
}
textarea { min-height: 120px; resize: vertical; }
input:focus, select:focus, textarea:focus {
  outline: 0; border-color: var(--accent-strong);
  box-shadow: 0 0 0 3px rgba(196,168,130,0.18);
}
.checkbox-row { display: flex; gap: 10px; align-items: flex-start; padding: 12px; border: 1px solid var(--border-light); border-radius: var(--radius); background: var(--bg-card); margin-bottom: 10px; }
.checkbox-row input[type="checkbox"] { width: 16px; height: 16px; margin-top: 3px; }
.checkbox-row label { flex: 1; cursor: pointer; font-size: 14px; }
.checkbox-row .sub { font-size: 12px; color: var(--text-muted); display: block; margin-top: 2px; }

/* ------- Progress bars ------- */
.progress-bar { width: 100%; height: 8px; background: var(--border-light); border-radius: 999px; overflow: hidden; }
.progress-fill { height: 100%; background: var(--accent-strong); border-radius: 999px; transition: width .4s ease; }

.meter { display: grid; grid-template-columns: 80px 1fr 44px; align-items: center; gap: 12px; padding: 8px 0; font-size: 13.5px; }
.meter .label { color: var(--text-secondary); }
.meter .val { text-align: right; font-variant-numeric: tabular-nums; color: var(--dark); font-weight: 500; }

/* ------- Footer ------- */
.site-footer { padding: 64px 0 40px; border-top: 1px solid var(--border-light); background: var(--bg-warm); margin-top: 80px; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
.footer-grid h5 { font-size: 12px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--text-muted); margin: 0 0 12px; }
.footer-grid ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 8px; }
.footer-grid a { color: var(--text); font-size: 14px; border: 0; }
.footer-grid a:hover { color: var(--accent-strong); }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; padding-top: 24px; border-top: 1px solid var(--border); font-size: 13px; color: var(--text-muted); gap: 16px; flex-wrap: wrap; }
@media (max-width: 720px) { .footer-grid { grid-template-columns: 1fr 1fr; } }

/* ------- Quiz / Assessment UI ------- */
.quiz-shell { max-width: 720px; margin: 0 auto; }
.quiz-progress { display: flex; align-items: center; gap: 12px; margin-bottom: 24px; font-size: 13px; color: var(--text-secondary); }
.quiz-progress .progress-bar { flex: 1; }
.q-card { background: var(--bg-card); border: 1px solid var(--border-light); border-radius: var(--radius-lg); padding: 32px; margin-bottom: 20px; }
.q-card h3 { margin-top: 0; }
.opt { display: block; padding: 14px 18px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--bg-card); margin: 10px 0; cursor: pointer; transition: all .15s; font-size: 15px; }
.opt:hover { border-color: var(--dark); background: var(--bg-warm); }
.opt.selected { border-color: var(--accent-strong); background: var(--accent-soft); }
.opt input { display: none; }

/* ------- Stat pills & badges ------- */
.pill { display: inline-flex; align-items: center; gap: 6px; padding: 4px 10px; border-radius: 999px; font-size: 12px; font-weight: 500; background: var(--accent-soft); color: var(--accent-strong); }
.pill.live::before { content:""; width:6px; height:6px; border-radius:999px; background: var(--success); box-shadow: 0 0 0 2px rgba(62,107,79,0.2); }
.pill.soon::before { content:""; width:6px; height:6px; border-radius:999px; background: var(--warn); }
.pill.beta::before { content:""; width:6px; height:6px; border-radius:999px; background: var(--accent-strong); }

/* ------- Dashboard ------- */
.dash-grid { display: grid; grid-template-columns: 280px 1fr; gap: 32px; }
.dash-side { position: sticky; top: 84px; align-self: start; }
.dash-side nav a { display: block; padding: 10px 14px; border-radius: var(--radius); font-size: 14px; color: var(--text); border: 0; margin-bottom: 2px; }
.dash-side nav a:hover { background: var(--bg-warm); }
.dash-side nav a.active { background: var(--dark); color: var(--text-light); }
@media (max-width: 900px) { .dash-grid { grid-template-columns: 1fr; } .dash-side { position: static; } }

.tile { background: var(--bg-card); border: 1px solid var(--border-light); border-radius: var(--radius-lg); padding: 24px; }
.tile .tile-h { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 8px; }
.tile .n { font-family: var(--font-serif); font-size: 42px; color: var(--dark); line-height: 1; }
.tile .n small { font-family: var(--font-body); font-size: 14px; color: var(--text-muted); }
.tile .l { font-size: 12px; text-transform: uppercase; letter-spacing: 0.1em; color: var(--text-muted); }

/* ------- Colour swatches ------- */
.swatch { width: 48px; height: 48px; border-radius: var(--radius); border: 1px solid var(--border); }
.swatch.red { background: #B84A3F; }
.swatch.blue { background: #3B6F8F; }
.swatch.green { background: #5C8A6A; }
.swatch.yellow { background: #D4A649; }

.colour-card { display: grid; grid-template-columns: 48px 1fr auto; gap: 16px; align-items: center; padding: 14px; border: 1px solid var(--border-light); border-radius: var(--radius); background: var(--bg-card); margin-bottom: 10px; }

/* ------- Alerts / notices ------- */
.notice { padding: 14px 16px; border-radius: var(--radius); border: 1px solid var(--border); background: var(--bg-card); font-size: 14px; }
.notice.gold { background: var(--accent-soft); border-color: var(--accent); }
.notice.green { background: #DCE8DF; border-color: #B5CEB9; color: var(--success); }
.notice.red { background: #F2DCD5; border-color: #E8CABD; color: var(--danger); }

/* ------- Modal ------- */
.modal-bg { position: fixed; inset: 0; background: rgba(26,26,26,0.5); z-index: 100; display: none; align-items: center; justify-content: center; padding: 20px; }
.modal-bg.open { display: flex; }
.modal { background: var(--bg-card); border-radius: var(--radius-lg); max-width: 500px; width: 100%; padding: 32px; box-shadow: var(--shadow-lg); }
.modal h3 { margin-top: 0; }
.modal-close { background: none; border: 0; font-size: 22px; color: var(--text-muted); float: right; cursor: pointer; }

/* ------- Utility ------- */
.center { text-align: center; }
.mb-0 { margin-bottom: 0; } .mb-8 { margin-bottom: 8px; } .mb-16 { margin-bottom: 16px; } .mb-24 { margin-bottom: 24px; } .mb-32 { margin-bottom: 32px; } .mb-48 { margin-bottom: 48px; }
.mt-0 { margin-top: 0; } .mt-8 { margin-top: 8px; } .mt-16 { margin-top: 16px; } .mt-24 { margin-top: 24px; } .mt-32 { margin-top: 32px; } .mt-48 { margin-top: 48px; }

/* ------- OAuth buttons ------- */
.oauth-btn { display: flex; align-items: center; justify-content: center; gap: 10px; padding: 11px 16px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--bg-card); color: var(--text); cursor: pointer; font-weight: 500; font-size: 14px; transition: background .15s, border-color .15s; margin-bottom: 8px; width: 100%; }
.oauth-btn:hover { background: var(--bg-warm); border-color: var(--dark); }
.oauth-btn svg { width: 18px; height: 18px; }

.divider { display: flex; align-items: center; gap: 12px; margin: 20px 0; color: var(--text-muted); font-size: 12px; letter-spacing: 0.1em; text-transform: uppercase; }
.divider::before, .divider::after { content:""; flex: 1; height: 1px; background: var(--border-light); }

.account-chip { display: inline-flex; align-items: center; gap: 8px; padding: 6px 12px; border-radius: 999px; border: 1px solid var(--border); background: var(--bg-card); font-size: 13px; color: var(--text); cursor: pointer; }
.account-chip .avatar { width: 22px; height: 22px; border-radius: 999px; background: var(--accent); color: #fff; font-size: 11px; display: inline-flex; align-items: center; justify-content: center; font-weight: 600; }