/* ==========================================================================
   TypingTestKaro — design system
   ========================================================================== */
/* Uncut Sans (variable: weight 300–700, italic axis) — SIL Open Font License 1.1 */
@font-face {
  font-family: "Uncut Sans";
  src: url("/assets/fonts/uncut-sans-variable.woff2") format("woff2-variations"),
       url("/assets/fonts/uncut-sans-variable.woff2") format("woff2"),
       url("/assets/fonts/uncut-sans-variable.ttf") format("truetype");
  font-weight: 300 700;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Uncut Sans";
  src: url("/assets/fonts/uncut-sans-variable.woff2") format("woff2-variations"),
       url("/assets/fonts/uncut-sans-variable.woff2") format("woff2");
  font-weight: 300 700;
  font-style: italic;
  font-display: swap;
}
:root {
  --bg: #f6faf8;
  --surface: #ffffff;
  --surface-2: #eef5f2;
  --surface-3: #e0ece7;
  --text: #0f1f1c;
  --muted: #52665f;
  --border: #d6e4de;
  --primary: #0f766e;
  --primary-hover: #0b5f58;
  --primary-soft: #e0f2ef;
  --primary-ink: #ffffff;
  --accent: #d97706;
  --accent-soft: #fef3c7;
  --success: #15803d;
  --success-soft: #dcfce7;
  --danger: #dc2626;
  --danger-soft: #fee2e2;
  --warning: #b45309;
  --warning-soft: #fef3c7;
  --hero-grad: linear-gradient(135deg, #053b33 0%, #0f766e 55%, #14b8a6 100%);
  --shadow-sm: 0 1px 2px rgba(6, 40, 33, .06), 0 1px 3px rgba(6, 40, 33, .05);
  --shadow: 0 6px 24px rgba(6, 40, 33, .08);
  --shadow-lg: 0 18px 48px rgba(6, 40, 33, .14);
  --shadow-card: 0 1px 2px rgba(6, 40, 33, .05), 0 8px 20px -8px rgba(6, 40, 33, .14), 0 22px 44px -26px rgba(6, 40, 33, .22);
  --shadow-card-hover: 0 2px 6px rgba(6, 40, 33, .06), 0 18px 36px -12px rgba(6, 40, 33, .22), 0 36px 64px -32px rgba(6, 40, 33, .32);
  --radius-sm: 10px;
  --radius: 18px;
  --radius-lg: 26px;
  --font: "Uncut Sans", "Noto Sans Devanagari", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-hi: "Noto Sans Devanagari", "Mangal", "Uncut Sans", sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --container: 1200px;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #07120f;
    --surface: #0d1c18;
    --surface-2: #122622;
    --surface-3: #1a332d;
    --text: #e6f2ee;
    --muted: #9bb3ab;
    --border: #1f3a33;
    --primary: #2dd4bf;
    --primary-hover: #5eead4;
    --primary-soft: #0f2f2a;
    --primary-ink: #04110e;
    --accent: #fbbf24;
    --accent-soft: #33260a;
    --success: #4ade80;
    --success-soft: #0f2e1b;
    --danger: #f87171;
    --danger-soft: #3a1515;
    --warning: #fbbf24;
    --warning-soft: #33260a;
    --hero-grad: linear-gradient(135deg, #021a16 0%, #064e3b 60%, #0f766e 100%);
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, .4);
    --shadow: 0 6px 24px rgba(0, 0, 0, .35);
    --shadow-lg: 0 18px 48px rgba(0, 0, 0, .5);
    --shadow-card: 0 1px 2px rgba(0, 0, 0, .45), 0 10px 24px -10px rgba(0, 0, 0, .6), 0 24px 48px -28px rgba(0, 0, 0, .7);
    --shadow-card-hover: 0 2px 6px rgba(0, 0, 0, .5), 0 20px 40px -14px rgba(0, 0, 0, .7), 0 0 0 1px rgba(45, 212, 191, .18);
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #07120f;
  --surface: #0d1c18;
  --surface-2: #122622;
  --surface-3: #1a332d;
  --text: #e6f2ee;
  --muted: #9bb3ab;
  --border: #1f3a33;
  --primary: #2dd4bf;
  --primary-hover: #5eead4;
  --primary-soft: #0f2f2a;
  --primary-ink: #04110e;
  --accent: #fbbf24;
  --accent-soft: #33260a;
  --success: #4ade80;
  --success-soft: #0f2e1b;
  --danger: #f87171;
  --danger-soft: #3a1515;
  --warning: #fbbf24;
  --warning-soft: #33260a;
  --hero-grad: linear-gradient(135deg, #021a16 0%, #064e3b 60%, #0f766e 100%);
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, .4);
  --shadow: 0 6px 24px rgba(0, 0, 0, .35);
  --shadow-lg: 0 18px 48px rgba(0, 0, 0, .5);
  --shadow-card: 0 1px 2px rgba(0, 0, 0, .45), 0 10px 24px -10px rgba(0, 0, 0, .6), 0 24px 48px -28px rgba(0, 0, 0, .7);
  --shadow-card-hover: 0 2px 6px rgba(0, 0, 0, .5), 0 20px 40px -14px rgba(0, 0, 0, .7), 0 0 0 1px rgba(45, 212, 191, .18);
  color-scheme: dark;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
}
html { overflow-x: clip; }
img, svg { max-width: 100%; display: block; }
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3, h4 { line-height: 1.25; margin: 0 0 .6em; letter-spacing: -.01em; }
h1 { font-size: clamp(1.9rem, 4vw, 3rem); font-weight: 700; }
h2 { font-size: clamp(1.45rem, 2.6vw, 2.1rem); font-weight: 700; }
h3 { font-size: 1.2rem; font-weight: 700; }
p { margin: 0 0 1em; }
button, input, select, textarea { font: inherit; color: inherit; }
:focus-visible { outline: 3px solid var(--primary); outline-offset: 2px; border-radius: 4px; }
.hi, [lang="hi"], [lang="mr"] { font-family: var(--font-hi); }
.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 { position: absolute; left: -999px; top: 8px; background: var(--primary); color: var(--primary-ink); padding: 8px 14px; border-radius: 8px; z-index: 1000; }
.skip-link:focus { left: 8px; }

/* ---------- Layout ---------- */
.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 16px; }
@media (min-width: 768px) { .container { padding: 0 24px; } }
.section { padding: 56px 0; }
.section-sm { padding: 32px 0; }
.section-alt { background: var(--surface); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.section-head { max-width: 720px; margin: 0 auto 32px; text-align: center; }
.section-head p { color: var(--muted); font-size: 1.05rem; }
.eyebrow { display: inline-block; font-size: .78rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--accent); margin-bottom: 8px; }
.grid { display: grid; gap: 20px; }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 260px), 1fr)); }
.grid-4 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 210px), 1fr)); }
.stack > * + * { margin-top: 12px; }
.stack > a { display: block; }
.row { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.muted { color: var(--muted); }
.center { text-align: center; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 11px 20px; border-radius: 999px; border: 1.5px solid transparent;
  font-weight: 650; font-size: .95rem; cursor: pointer; line-height: 1.2;
  transition: background .15s, color .15s, border-color .15s, transform .1s, box-shadow .15s;
  text-decoration: none !important; white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--primary); color: var(--primary-ink); box-shadow: 0 6px 18px color-mix(in srgb, var(--primary) 35%, transparent); }
.btn-primary:hover { background: var(--primary-hover); }
.btn-accent { background: var(--accent); color: #fff; }
.btn-accent:hover { filter: brightness(1.05); }
.btn-outline { background: transparent; border-color: var(--border); color: var(--text); }
.btn-outline:hover { border-color: var(--primary); color: var(--primary); }
.btn-ghost { background: transparent; color: var(--primary); padding-left: 8px; padding-right: 8px; }
.btn-light { background: #fff; color: #064e3b; }
.btn-light:hover { background: #ecfdf5; }
.btn-sm { padding: 7px 14px; font-size: .85rem; }
.btn-lg { padding: 14px 26px; font-size: 1.05rem; }
.btn[disabled] { opacity: .5; cursor: not-allowed; }

/* ---------- Cards ---------- */
.card {
  background: var(--surface); border: 1px solid color-mix(in srgb, var(--border) 75%, transparent); border-radius: var(--radius);
  padding: 24px; box-shadow: var(--shadow-card);
}
a.card { display: block; color: inherit; text-decoration: none; transition: transform .25s cubic-bezier(.2,.8,.2,1), box-shadow .25s, border-color .25s; }
a.card:hover { transform: translateY(-5px); box-shadow: var(--shadow-card-hover); border-color: color-mix(in srgb, var(--primary) 30%, var(--border)); }
.card h3 { margin-bottom: 6px; }
.card p { color: var(--muted); margin-bottom: 0; font-size: .95rem; }
.card-icon {
  width: 50px; height: 50px; border-radius: 16px; display: grid; place-items: center;
  background: var(--primary-soft); color: var(--primary); font-size: 1.35rem; margin-bottom: 14px; font-weight: 700;
}
.card-icon.accent { background: var(--accent-soft); color: var(--accent); }
.card-icon.success { background: var(--success-soft); color: var(--success); }
.card-meta { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 12px; }

.badge {
  display: inline-flex; align-items: center; gap: 4px; padding: 3px 10px; border-radius: 999px;
  font-size: .75rem; font-weight: 650; background: var(--surface-2); color: var(--muted); border: 1px solid var(--border);
}
.badge-primary { background: var(--primary-soft); color: var(--primary); border-color: transparent; }
.badge-accent { background: var(--accent-soft); color: var(--accent); border-color: transparent; }
.badge-success { background: var(--success-soft); color: var(--success); border-color: transparent; }
.badge-danger { background: var(--danger-soft); color: var(--danger); border-color: transparent; }

/* ---------- Header / Nav: floating black pill bar ---------- */
:root { --header-h: 84px; --bar: #050807; --bar-2: #1b2120; --bar-3: #262e2c; --bar-ink: #f4f7f6; --pill-hi: #dff5ef; --pill-hi-ink: #062b25; }
html { scroll-padding-top: calc(var(--header-h) + 12px); }
.site-header { position: sticky; top: 0; z-index: 100; padding: 10px 0; pointer-events: none; }
.site-header .container { pointer-events: auto; }
.nav-bar {
  display: flex; align-items: center; gap: 12px; height: 64px; padding: 0 9px 0 14px;
  background: var(--bar); color: var(--bar-ink); border-radius: 999px;
  box-shadow: 0 10px 30px rgba(3, 20, 16, .22), inset 0 0 0 1px rgba(255, 255, 255, .06);
}
.logo { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 1.25rem; color: var(--text); text-decoration: none !important; flex-shrink: 0; }
.nav-bar .logo { color: var(--bar-ink); }
.logo-mark { width: 38px; height: 38px; border-radius: 50%; background: var(--hero-grad); color: #fff; display: grid; place-items: center; font-size: .9rem; font-weight: 700; letter-spacing: -.02em; box-shadow: inset 0 0 0 2px rgba(255,255,255,.18); }
.logo span b { color: var(--accent); }
.nav-bar .logo span b { color: #fbbf24; }

/* centre pill with the menu */
.main-nav { margin: 0 auto; }
.nav-pill { list-style: none; display: flex; align-items: center; gap: 2px; margin: 0; padding: 5px; background: var(--bar-2); border-radius: 999px; }
.nav-pill > li { position: relative; }
.nav-link {
  display: flex; align-items: center; gap: 3px; padding: 9px 13px; border-radius: 999px; white-space: nowrap;
  color: var(--bar-ink); font-weight: 500; font-size: .93rem; background: none; border: 0; cursor: pointer; text-decoration: none !important;
  transition: background .15s, color .15s;
}
.nav-link:hover, .nav-link[aria-expanded="true"] { background: var(--bar-3); color: #fff; }
.nav-link.active, .nav-link.active:hover { background: var(--pill-hi); color: var(--pill-hi-ink); font-weight: 600; }
.nav-link .chev { width: 14px; height: 14px; opacity: .8; transition: transform .2s; }
.nav-link[aria-expanded="true"] .chev { transform: rotate(180deg); }

/* dropdown panels (unchanged look, light cards under the dark bar) */
.dropdown {
  position: absolute; top: calc(100% + 14px); left: 0; min-width: 260px; padding: 10px; z-index: 5;
  background: var(--surface); border: 1px solid var(--border); border-radius: 18px; box-shadow: var(--shadow-lg);
  opacity: 0; visibility: hidden; transform: translateY(6px); transition: opacity .15s, transform .15s, visibility .15s;
}
.dropdown::before { content: ""; position: absolute; left: 0; right: 0; top: -16px; height: 16px; } /* hover bridge */
.dropdown.mega { width: min(880px, 92vw); left: 50%; transform: translate(-50%, 6px); display: grid; grid-template-columns: repeat(4, 1fr); gap: 4px 12px; padding: 16px; }
@media (min-width: 1181px) {
  .dropdown.wide { min-width: 520px; display: grid; grid-template-columns: 1fr 1fr; gap: 0 6px; }
  .dropdown.wide .dd-all { grid-column: 1 / -1; }
  .dropdown.wide-right { left: auto; right: 0; }
}
li.open > .dropdown { opacity: 1; visibility: visible; transform: translateY(0); }
li.open > .dropdown.mega { transform: translate(-50%, 0); }
@media (hover: hover) and (min-width: 1181px) {
  .nav-pill > li:hover > .dropdown { opacity: 1; visibility: visible; transform: translateY(0); }
  .nav-pill > li:hover > .dropdown.mega { transform: translate(-50%, 0); }
}
.dropdown a { display: block; padding: 8px 10px; border-radius: 10px; color: var(--text); font-size: .9rem; text-decoration: none; }
.dropdown a:hover { background: var(--surface-2); color: var(--primary); }
.dropdown a small { display: block; color: var(--muted); font-size: .78rem; }
.dropdown .dd-title { font-size: .72rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); padding: 6px 10px 4px; }
.dropdown .dd-all { font-weight: 700; color: var(--primary); }

/* right-hand actions */
.nav-actions { display: flex; align-items: center; gap: 8px; flex-shrink: 0; }
.nav-circle {
  width: 46px; height: 46px; border-radius: 50%; border: 0; background: var(--bar-2); color: var(--bar-ink);
  display: grid; place-items: center; cursor: pointer; transition: background .15s;
}
.nav-circle:hover { background: var(--bar-3); }
.nav-circle svg { width: 20px; height: 20px; }
.nav-sep { width: 1px; height: 18px; background: rgba(255, 255, 255, .22); }
.nav-btn {
  display: inline-flex; align-items: center; justify-content: center; height: 46px; padding: 0 20px; border-radius: 999px;
  font-weight: 600; font-size: .95rem; white-space: nowrap; text-decoration: none !important; transition: background .15s, transform .1s;
}
.nav-btn:active { transform: translateY(1px); }
.nav-btn-dark { background: var(--bar-2); color: var(--bar-ink); }
.nav-btn-dark:hover { background: var(--bar-3); color: #fff; }
.nav-btn-light { background: #ecfdf5; color: var(--pill-hi-ink); }
.nav-btn-light:hover { background: #fff; color: var(--pill-hi-ink); }
.menu-toggle { display: none; }
.nav-mobile-cta { display: none; }
.theme-toggle .moon { display: none; }
:root[data-theme="dark"] .theme-toggle .sun { display: none; }
:root[data-theme="dark"] .theme-toggle .moon { display: block; }

/* small square icon buttons used inside pages (e.g. font size) */
.icon-btn {
  width: 40px; height: 40px; border-radius: 10px; border: 1px solid var(--border); background: var(--surface);
  display: grid; place-items: center; cursor: pointer; color: var(--text);
}
.icon-btn:hover { border-color: var(--primary); color: var(--primary); }
.icon-btn svg { width: 20px; height: 20px; }

/* tablet & phone: menu slides into a rounded panel under the bar */
@media (max-width: 1180px) {
  .menu-toggle { display: grid; }
  .nav-actions .nav-sep, .nav-btn-dark { display: none; }
  .nav-actions { margin-left: auto; }
  .main-nav {
    position: fixed; top: calc(var(--header-h) + 4px); left: 12px; right: 12px; bottom: 12px; margin: 0;
    background: var(--surface); color: var(--text); border: 1px solid var(--border); border-radius: 24px; box-shadow: var(--shadow-lg);
    overflow-y: auto; padding: 12px 14px 20px; transform: translateY(-8px); opacity: 0; visibility: hidden;
    transition: transform .2s, opacity .2s, visibility .2s;
  }
  body.nav-open .main-nav { transform: none; opacity: 1; visibility: visible; }
  body.nav-open { overflow: hidden; }
  .nav-pill { flex-direction: column; align-items: stretch; gap: 2px; padding: 0; background: none; border-radius: 0; }
  .nav-pill > li { border-bottom: 1px solid var(--border); }
  .nav-pill > li:last-child { border-bottom: 0; }
  .nav-link { width: 100%; justify-content: space-between; padding: 14px 12px; font-size: 1rem; color: var(--text); border-radius: 14px; }
  .nav-link:hover, .nav-link[aria-expanded="true"] { background: var(--surface-2); color: var(--primary); }
  .nav-link.active, .nav-link.active:hover { background: var(--primary-soft); color: var(--primary); }
  .dropdown, .dropdown.mega {
    position: static; opacity: 1; visibility: visible; transform: none !important; box-shadow: none; border: 0; border-radius: 0;
    display: none; width: auto; min-width: 0; padding: 0 0 10px 10px; grid-template-columns: 1fr;
  }
  .dropdown::before { display: none; }
  li.open > .dropdown, li.open > .dropdown.mega { display: block; }
  .nav-mobile-cta { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 16px; }
}
@media (max-width: 520px) {
  :root { --header-h: 76px; }
  .site-header { padding: 8px 0; }
  .nav-bar { height: 60px; padding: 0 7px 0 12px; gap: 10px; }
  .logo { font-size: 1.1rem; }
  .logo-mark { width: 34px; height: 34px; }
  .nav-circle { width: 42px; height: 42px; }
  .nav-btn-light { height: 42px; padding: 0 16px; font-size: .88rem; }
}
@media (max-width: 380px) { .nav-btn-light { display: none; } }

/* ---------- Hero ---------- */
.hero { background: var(--hero-grad); color: #fff; position: relative; overflow: hidden; padding: 64px 0 72px; }
.hero::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image: radial-gradient(rgba(255,255,255,.09) 1px, transparent 1px); background-size: 22px 22px;
  mask-image: linear-gradient(to bottom, rgba(0,0,0,.9), transparent);
}
.hero .container { position: relative; z-index: 1; }
.hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 48px; align-items: center; }
@media (max-width: 900px) { .hero-grid { grid-template-columns: 1fr; gap: 32px; } }
.hero h1 { color: #fff; }
.hero h1 em { font-style: normal; color: #fcd34d; }
.hero-lead { font-size: 1.15rem; color: rgba(255,255,255,.86); max-width: 560px; }
.hero-cta { display: flex; gap: 12px; flex-wrap: wrap; margin: 26px 0 22px; }
.hero .btn-outline { color: #fff; border-color: rgba(255,255,255,.4); }
.hero .btn-outline:hover { border-color: #fff; color: #fff; background: rgba(255,255,255,.08); }
.hero-points { display: flex; gap: 18px; flex-wrap: wrap; list-style: none; padding: 0; margin: 0; color: rgba(255,255,255,.85); font-size: .92rem; }
.hero-points li::before { content: "✓"; color: #7cf0b5; font-weight: 700; margin-right: 6px; }
.hero-card { background: rgba(255,255,255,.97); color: #141a33; border-radius: var(--radius-lg); padding: 22px; box-shadow: 0 30px 60px rgba(0,0,0,.3); }
:root[data-theme="dark"] .hero-card { background: var(--surface); color: var(--text); }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .hero-card { background: var(--surface); color: var(--text); } }

.page-hero { background: var(--hero-grad); color: #fff; padding: 44px 0 40px; }
.page-hero h1 { color: #fff; font-size: clamp(1.7rem, 3.4vw, 2.5rem); margin-bottom: 10px; }
.page-hero p { color: rgba(255,255,255,.86); max-width: 760px; font-size: 1.05rem; margin: 0; }
.page-hero .badge { background: rgba(255,255,255,.14); color: #fff; border-color: rgba(255,255,255,.2); }
.breadcrumbs { font-size: .85rem; margin-bottom: 14px; color: rgba(255,255,255,.75); }
.breadcrumbs a { color: rgba(255,255,255,.9); }
.breadcrumbs span { margin: 0 6px; opacity: .6; }

/* ---------- Stats / chips ---------- */
.stats-strip { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
@media (max-width: 700px) { .stats-strip { grid-template-columns: repeat(2, 1fr); } }
.stat { text-align: center; padding: 18px 10px; }
.stat b { display: block; font-size: 1.9rem; font-weight: 700; color: var(--primary); line-height: 1.1; }
.stat span { font-size: .88rem; color: var(--muted); }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  display: inline-flex; align-items: center; gap: 6px; padding: 8px 14px; border-radius: 999px;
  background: var(--surface); border: 1px solid var(--border); color: var(--text); font-weight: 600; font-size: .88rem; text-decoration: none !important;
}
.chip:hover { border-color: var(--primary); color: var(--primary); }
.chip.active { background: var(--primary); border-color: var(--primary); color: var(--primary-ink); }

/* ---------- Tables ---------- */
.table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); box-shadow: var(--shadow-card); }
table { width: 100%; border-collapse: collapse; font-size: .93rem; }
th, td { padding: 12px 14px; text-align: left; border-bottom: 1px solid var(--border); vertical-align: top; }
th { background: var(--surface-2); font-weight: 700; font-size: .82rem; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); }
tr:last-child td { border-bottom: 0; }

/* ---------- Prose (blog / info pages) ---------- */
.prose { font-size: 1.05rem; line-height: 1.75; }
.prose h2 { margin-top: 1.8em; font-size: 1.55rem; }
.prose h3 { margin-top: 1.5em; }
.prose ul, .prose ol { padding-left: 1.3em; margin: 0 0 1.1em; }
.prose li { margin-bottom: .4em; }
.prose blockquote { margin: 1.4em 0; padding: 14px 18px; border-left: 4px solid var(--accent); background: var(--accent-soft); border-radius: 0 var(--radius-sm) var(--radius-sm) 0; }
.prose blockquote p:last-child { margin: 0; }
.prose code { background: var(--surface-2); padding: 2px 6px; border-radius: 6px; font-size: .9em; font-family: var(--font-mono); }
.prose table { margin: 1.2em 0; border: 1px solid var(--border); border-radius: var(--radius-sm); overflow: hidden; display: block; overflow-x: auto; }
.prose img { border-radius: var(--radius); }
.prose a { text-decoration: underline; text-underline-offset: 3px; }
.layout-sidebar { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 40px; align-items: start; }
@media (max-width: 960px) { .layout-sidebar { grid-template-columns: 1fr; } }
.sidebar { position: sticky; top: calc(var(--header-h) + 20px); display: grid; gap: 18px; }
@media (max-width: 960px) { .sidebar { position: static; } }
.toc { font-size: .92rem; }
.toc ol { padding-left: 1.1em; margin: 0; }
.toc li { margin: 6px 0; }

/* ---------- Callouts ---------- */
.callout { padding: 16px 18px; border-radius: var(--radius); border: 1px solid var(--border); background: var(--surface-2); font-size: .95rem; }
.callout.info { background: var(--primary-soft); border-color: transparent; }
.callout.warn { background: var(--warning-soft); border-color: transparent; }
.callout.success { background: var(--success-soft); border-color: transparent; }
.callout strong { display: block; margin-bottom: 4px; }

/* ---------- FAQ ---------- */
.faq { max-width: 860px; margin: 0 auto; display: grid; gap: 12px; }
.faq details { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 0 22px; box-shadow: var(--shadow-card); }
.faq summary { cursor: pointer; font-weight: 650; padding: 16px 0; list-style: none; display: flex; justify-content: space-between; gap: 12px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-size: 1.3rem; color: var(--primary); line-height: 1; }
.faq details[open] summary::after { content: "–"; }
.faq details p { color: var(--muted); padding-bottom: 16px; margin: 0; }

/* ---------- CTA band ---------- */
.cta-band { background: var(--hero-grad); color: #fff; border-radius: var(--radius-lg); padding: 40px 32px; display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.cta-band h2 { color: #fff; margin: 0 0 6px; }
.cta-band p { color: rgba(255,255,255,.85); margin: 0; }

/* ---------- Footer: floating black card matching the header bar ---------- */
.site-footer { padding: 12px 0 14px; margin-top: 40px; font-size: .92rem; }
.foot-card {
  background: var(--bar); color: #9fb3ad; border-radius: 36px; padding: clamp(24px, 4vw, 44px) clamp(20px, 4vw, 44px) 14px;
  box-shadow: 0 18px 44px rgba(3, 20, 16, .22), inset 0 0 0 1px rgba(255, 255, 255, .06);
}
.foot-top { display: grid; grid-template-columns: minmax(260px, 1fr) 3fr; gap: 40px; align-items: start; }
@media (max-width: 1000px) { .foot-top { grid-template-columns: 1fr; gap: 28px; } }
.foot-brand .logo { color: var(--bar-ink); margin-bottom: 14px; }
.foot-brand .logo span b { color: #fbbf24; }
.foot-brand p { margin: 0 0 20px; max-width: 360px; line-height: 1.65; }
.foot-cta { display: flex; gap: 10px; flex-wrap: nowrap; }
.foot-cta .nav-btn { height: 44px; padding: 0 18px; }
.foot-cols { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px 16px; }
@media (max-width: 760px) { .foot-cols { grid-template-columns: repeat(2, minmax(0, 1fr)); } .site-footer ul a { white-space: normal; } }
.site-footer h4 { color: var(--bar-ink); font-size: .8rem; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; margin: 0 0 10px; padding-left: 12px; }
.site-footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 2px; }
.site-footer ul a {
  display: inline-block; padding: 6px 12px; border-radius: 999px; color: #c9dad4; font-size: .88rem; line-height: 1.35; white-space: nowrap; text-decoration: none !important;
  transition: background .15s, color .15s;
}
.site-footer ul a:hover { background: var(--bar-2); color: #fff; }
.foot-note { margin: 26px 0 18px; font-size: .8rem; color: #7f948e; }
.foot-bar {
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap; padding: 6px 6px 6px 20px;
  background: var(--bar-2); border-radius: 999px; font-size: .85rem;
}
.foot-copy { margin-right: auto; }
.foot-bar-links { display: flex; gap: 2px; }
.foot-bar-links a { padding: 8px 14px; border-radius: 999px; color: #c9dad4; text-decoration: none !important; transition: background .15s, color .15s; }
.foot-bar-links a:hover { background: var(--pill-hi); color: var(--pill-hi-ink); }
.foot-top-btn { width: 42px; height: 42px; background: var(--bar-3); text-decoration: none !important; }
.foot-top-btn:hover { background: var(--pill-hi); color: var(--pill-hi-ink); }
@media (max-width: 620px) {
  .foot-card { border-radius: 28px; }
  .foot-bar { border-radius: 22px; padding: 12px 12px 12px 16px; }
  .foot-copy { flex-basis: 100%; }
  .foot-bar-links { margin-right: auto; margin-left: -14px; }
}

/* ---------- Forms ---------- */
.field { display: grid; gap: 6px; margin-bottom: 14px; }
.field label { font-weight: 600; font-size: .9rem; }
.input, select.input, textarea.input {
  width: 100%; padding: 11px 14px; border-radius: 10px; border: 1.5px solid var(--border); background: var(--surface); color: var(--text);
}
.input:focus { border-color: var(--primary); outline: none; box-shadow: 0 0 0 3px var(--primary-soft); }

/* ---------- Utility ---------- */
.mt-0 { margin-top: 0 !important; } .mb-0 { margin-bottom: 0 !important; }
.mt-2 { margin-top: 16px; } .mt-3 { margin-top: 24px; } .mt-4 { margin-top: 40px; }
.mb-2 { margin-bottom: 16px; } .mb-3 { margin-bottom: 24px; }
.hide { display: none !important; }
.list-check { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.list-check li { padding-left: 28px; position: relative; }
.list-check li::before { content: "✓"; position: absolute; left: 0; top: 0; width: 20px; height: 20px; border-radius: 50%; background: var(--success-soft); color: var(--success); font-size: .75rem; font-weight: 700; display: grid; place-items: center; margin-top: 3px; }
.kbd, kbd { font-family: var(--font-mono); font-size: .85em; padding: 2px 7px; border-radius: 6px; border: 1px solid var(--border); border-bottom-width: 3px; background: var(--surface); }
.toast { position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%); background: var(--text); color: var(--bg); padding: 10px 18px; border-radius: 999px; font-weight: 600; z-index: 999; box-shadow: var(--shadow-lg); }
.prose .table-wrap { margin: 1.2em 0; }
.prose .table-wrap table { border: 0; margin: 0; display: table; border-radius: 0; }

/* ---------- Motion polish (site-wide) ---------- */
.stat b { background: linear-gradient(135deg, var(--primary), var(--accent)); -webkit-background-clip: text; background-clip: text; color: transparent; font-variant-numeric: tabular-nums; }
a.card::after, .lesson-row::after {
  content: ""; position: absolute; inset: -1px; border-radius: inherit; padding: 1px; pointer-events: none; opacity: 0; transition: opacity .2s;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor; mask-composite: exclude;
}
a.card, .lesson-row { position: relative; }
a.card:hover::after, .lesson-row:hover::after { opacity: 1; }
.card-icon { background: linear-gradient(135deg, var(--primary-soft), color-mix(in srgb, var(--primary-soft) 60%, var(--accent-soft))); }
.cta-band { position: relative; overflow: hidden; }
.cta-band::before {
  content: ""; position: absolute; width: 320px; height: 320px; right: -80px; top: -140px; border-radius: 50%;
  background: radial-gradient(circle, rgba(245,158,11,.45), transparent 70%); pointer-events: none;
}
.cta-band > * { position: relative; }

/* page header decoration: glow orbs + drifting letters */
.page-hero { position: relative; overflow: hidden; isolation: isolate; }
.page-hero .container { position: relative; z-index: 1; }
.ph-deco { position: absolute; inset: 0; pointer-events: none; z-index: 0; }
.ph-orb { position: absolute; border-radius: 50%; filter: blur(60px); }
.ph-orb.o1 { width: 340px; height: 340px; right: -60px; top: -160px; background: #2dd4bf; opacity: .55; animation: ph-drift 14s ease-in-out infinite; }
.ph-orb.o2 { width: 260px; height: 260px; right: 26%; bottom: -170px; background: #f59e0b; opacity: .3; animation: ph-drift 18s ease-in-out infinite reverse; }
.ph-deco span {
  position: absolute; font-weight: 700; color: #fff; opacity: .1; line-height: 1; font-family: var(--font-hi);
  animation: ph-float 9s ease-in-out infinite;
}
.ph-deco .g0 { right: 6%; top: 18%; font-size: 64px; }
.ph-deco .g1 { right: 16%; top: 52%; font-size: 84px; opacity: .13; color: #fcd34d; animation-delay: -2s; }
.ph-deco .g2 { right: 28%; top: 10%; font-size: 40px; animation-delay: -4s; }
.ph-deco .g3 { right: 3%; top: 60%; font-size: 52px; color: #fcd34d; animation-delay: -1s; }
.ph-deco .g4 { right: 38%; top: 58%; font-size: 36px; animation-delay: -6s; }
.ph-deco .g5 { right: 22%; top: 28%; font-size: 46px; color: #fcd34d; opacity: .12; animation-delay: -3s; }
.ph-deco .g6 { right: 10%; top: 2%; font-size: 30px; animation-delay: -5s; }
.ph-deco .g7 { right: 45%; top: 20%; font-size: 30px; opacity: .08; animation-delay: -7s; }
.ph-deco .g8 { right: 33%; top: 76%; font-size: 26px; animation-delay: -2.5s; }
.ph-deco .g9 { right: 52%; top: 64%; font-size: 34px; opacity: .07; color: #fcd34d; animation-delay: -4.5s; }
@keyframes ph-float { 0%, 100% { transform: translateY(0) rotate(0); } 50% { transform: translateY(-14px) rotate(4deg); } }
@keyframes ph-drift { 0%, 100% { transform: translate(0, 0); } 50% { transform: translate(-30px, 20px); } }
@media (max-width: 700px) { .ph-deco span:nth-child(n+7) { display: none; } .ph-deco span { opacity: .07; } }
@media print { .ph-deco { display: none; } }
@media (prefers-reduced-motion: reduce) { .ph-orb, .ph-deco span { animation: none; } }