/* ============================================================
   LEARONI — Public marketing site
   Design tokens + components (self-contained)
   ============================================================ */
:root {
  --font-display: 'Baloo 2', system-ui, sans-serif;
  --font-body: 'Nunito', system-ui, sans-serif;

  --bg:        #F3F5F4;
  --bg-2:      #E9EDEB;
  --surface:   #FFFFFF;
  --surface-2: #F5F7F6;
  --line:      #DDE4E2;
  --line-soft: #EAEEEC;

  --ink:   #142128;
  --ink-2: #3C4C54;
  --ink-3: #5C6B72;

  --primary:        #0E7C8B;
  --primary-strong: #0A626E;
  --primary-ink:    #064752;
  --primary-tint:   #DCEFF1;
  --primary-tint-2: #EAF6F7;

  --orange:      #E0671F;  --orange-tint: #FCEBDD;
  --mint:        #138A63;  --mint-tint:   #DBF1E8;
  --gold:        #C98212;  --gold-tint:   #FBF0D8;
  --violet:      #5B4BC4;  --violet-tint: #E9E6FA;

  --english:   #C73862;  --english-tint:   #FBE4EC;
  --maths:     #2360C9;  --maths-tint:     #E2ECFB;
  --verbal:    #138A63;  --verbal-tint:    #DBF1E8;
  --nonverbal: #C2660F;  --nonverbal-tint: #FBEBD8;

  --good: #138A63; --good-tint: #DBF1E8;

  --radius:    20px;
  --radius-sm: 14px;
  --radius-lg: 28px;
  --radius-xl: 36px;

  --shadow-sm: 0 1px 2px rgba(16,40,48,.06), 0 2px 6px rgba(16,40,48,.05);
  --shadow:    0 2px 4px rgba(16,40,48,.05), 0 10px 28px rgba(16,40,48,.07);
  --shadow-lg: 0 8px 16px rgba(16,40,48,.07), 0 24px 60px rgba(16,40,48,.10);

  --maxw: 1180px;
  --ink-dark: #0E1A24;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 18px; line-height: 1.65;
  color: var(--ink); background: var(--surface);
  -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
}
h1,h2,h3,h4 { font-family: var(--font-display); font-weight: 700; line-height: 1.1; margin: 0; letter-spacing: -0.015em; color: var(--ink); }
p { margin: 0; text-wrap: pretty; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
img, svg { display: block; }
ul { margin: 0; }
:focus-visible { outline: 3px solid var(--primary); outline-offset: 2px; border-radius: 6px; }
::selection { background: var(--primary-tint); color: var(--primary-ink); }
.ico { display: block; }

/* ---------- layout ---------- */
.wrap { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.wrap-sm { max-width: 760px; }
.section { padding: 88px 0; }
.section-tight { padding: 56px 0; }
.bg-soft { background: var(--bg); }
.bg-tint { background: var(--primary-tint-2); }
.bg-dark { background: var(--ink-dark); color: rgba(255,255,255,.74); }
@media (max-width: 720px){ .section { padding: 60px 0; } }

.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-weight: 800; font-size: 13px; letter-spacing: .12em; text-transform: uppercase;
  color: var(--primary); margin-bottom: 16px;
}
.eyebrow .ico { color: var(--primary); }
.section-head { max-width: 680px; margin: 0 auto 48px; text-align: center; }
.section-head.left { margin-left: 0; text-align: left; }
.section-head h2 { font-size: clamp(30px, 4.2vw, 44px); }
.section-head p { font-size: 19px; color: var(--ink-2); margin-top: 14px; }

.lead { font-size: 20px; color: var(--ink-2); line-height: 1.6; }
.muted { color: var(--ink-3); }

/* ---------- buttons ---------- */
.btn {
  appearance: none; border: 0; border-radius: var(--radius-sm);
  font-family: var(--font-body); font-weight: 800; font-size: 17px;
  min-height: 52px; padding: 0 24px;
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  transition: transform .12s, box-shadow .15s, background .15s, filter .15s;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--primary); color: #fff; box-shadow: 0 8px 22px color-mix(in oklab, var(--primary) 32%, transparent); }
.btn-primary:hover { background: var(--primary-strong); }
.btn-accent { background: var(--orange); color: #fff; box-shadow: 0 8px 22px color-mix(in oklab, var(--orange) 30%, transparent); }
.btn-accent:hover { filter: brightness(.96); }
.btn-ghost { background: var(--surface); color: var(--ink); border: 1.5px solid var(--line); }
.btn-ghost:hover { background: var(--surface-2); border-color: var(--ink-3); }
.btn-light { background: #fff; color: var(--primary-ink); }
.btn-light:hover { background: var(--surface-2); }
.btn-ondark { background: rgba(255,255,255,.14); color: #fff; border: 1px solid rgba(255,255,255,.3); }
.btn-ondark:hover { background: rgba(255,255,255,.22); }
.btn-lg { min-height: 58px; font-size: 19px; padding: 0 32px; }
.btn-block { width: 100%; }

/* ---------- pills / badges ---------- */
.pill {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 15px; border-radius: 999px; font-weight: 800; font-size: 14px; line-height: 1;
  background: var(--surface-2); color: var(--ink-2); border: 1px solid var(--line-soft);
}
.pill .ico { width: 15px; height: 15px; }
.pill-tonal { background: var(--primary-tint); color: var(--primary-ink); border-color: transparent; }
.pill-gold { background: var(--gold-tint); color: var(--gold); border-color: transparent; }
.pill-mint { background: var(--mint-tint); color: var(--mint); border-color: transparent; }
.pill-orange { background: var(--orange-tint); color: var(--orange); border-color: transparent; }
.pill-onhero { background: rgba(255,255,255,.7); color: var(--primary-ink); border: 1px solid var(--line-soft); backdrop-filter: blur(6px); }

/* ---------- card ---------- */
.card { background: var(--surface); border: 1px solid var(--line-soft); border-radius: var(--radius); box-shadow: var(--shadow-sm);color: var(--primary) }
.card-pad { padding: 28px; }
.card-lift { transition: transform .16s, box-shadow .16s; }
.card-lift:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
@media (max-width: 560px){ .card-pad { padding: 20px; } }

/* ---------- grids ---------- */
.grid { display: grid; gap: 24px; }
.g2 { grid-template-columns: repeat(2,1fr); }
.g3 { grid-template-columns: repeat(3,1fr); }
.g4 { grid-template-columns: repeat(4,1fr); }
@media (max-width: 920px){ .g3,.g4 { grid-template-columns: repeat(2,1fr); } }
@media (max-width: 600px){ .g2,.g3,.g4 { grid-template-columns: 1fr; } }
.row { display: flex; align-items: center; gap: 14px; }
.wrap-row { display: flex; flex-wrap: wrap; gap: 12px; }
.center { text-align: center; }

/* ---------- icon tile ---------- */
.itile { width: 56px; height: 56px; border-radius: 16px; display: grid; place-items: center; flex: 0 0 auto; }
.itile-lg { width: 68px; height: 68px; border-radius: 19px; }
.sub-english   { --c: var(--english);   --c-tint: var(--english-tint); }
.sub-maths     { --c: var(--maths);     --c-tint: var(--maths-tint); }
.sub-verbal    { --c: var(--verbal);    --c-tint: var(--verbal-tint); }
.sub-nonverbal { --c: var(--nonverbal); --c-tint: var(--nonverbal-tint); }

/* ---------- image placeholder ---------- */
.ph {
  background: repeating-linear-gradient(135deg, var(--line-soft) 0 10px, transparent 10px 20px), var(--surface-2);
  border: 1.5px dashed var(--line); border-radius: var(--radius);
  display: grid; place-items: center; text-align: center;
  color: var(--ink-3); font-family: ui-monospace,'SF Mono',Menlo,monospace; font-size: 12px; letter-spacing: .04em;
  padding: 16px;
}

/* ---------- header ---------- */
.site-head { position: sticky; top: 0; z-index: 80; background: color-mix(in oklab, var(--surface) 88%, transparent); backdrop-filter: saturate(1.4) blur(14px); border-bottom: 1px solid var(--line-soft); }
.head-inner { height: 74px; display: flex; align-items: center; gap: 20px; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.brand { display: flex; align-items: center; gap: 11px; font-family: var(--font-display); font-weight: 800; font-size: 25px; letter-spacing: -0.02em; }
.brand-mark { width: 40px; height: 40px; border-radius: 12px; background: linear-gradient(140deg, var(--primary), var(--primary-strong)); display: grid; place-items: center; color: #fff; box-shadow: 0 4px 12px color-mix(in oklab,var(--primary) 40%,transparent); }
.head-nav { display: flex; gap: 4px; margin-left: auto; align-items: center; }
.head-link { font-weight: 700; font-size: 16px; color: var(--ink-2); padding: 10px 14px; min-height: 44px; border-radius: 11px; display: inline-flex; align-items: center; transition: background .14s, color .14s; }
.head-link:hover { background: var(--surface-2); color: var(--ink); }
.head-link[aria-current="page"] { color: var(--primary-ink); background: var(--primary-tint); }
.head-cta { display: flex; gap: 10px; align-items: center; margin-left: 8px; }
.head-toggle { display: none; width: 46px; height: 46px; border-radius: 12px; border: 1px solid var(--line); background: var(--surface); color: var(--ink); place-items: center; margin-left: auto; }
@media (max-width: 940px){
  .head-nav, .head-cta { display: none; }
  .head-toggle { display: grid; }
  .head-nav.open { display: flex; position: fixed; inset: 74px 0 auto 0; flex-direction: column; gap: 4px; padding: 14px 18px; background: var(--surface); border-bottom: 1px solid var(--line); box-shadow: var(--shadow-lg); margin: 0; }
  .head-nav.open .head-link { width: 100%; font-size: 18px; padding: 14px 16px; }
  .head-cta.open { display: flex; position: fixed; inset: auto 0 auto 0; top: calc(74px + 268px); flex-direction: column; padding: 0 18px 18px; background: var(--surface); margin: 0; box-shadow: var(--shadow-lg); }
  .head-cta.open .btn { width: 100%; }
}

/* ---------- footer ---------- */
.site-foot { background: var(--ink-dark); color: rgba(255,255,255,.7); padding: 64px 0 28px; }
.foot-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 36px; padding-bottom: 36px; }
.foot-brand .brand { color: #fff; }
.foot-tag { font-size: 16px; line-height: 1.6; margin-top: 16px; max-width: 300px; }
.foot-badges { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.foot-badge { display: inline-flex; align-items: center; gap: 7px; padding: 7px 12px; border-radius: 999px; font-size: 13px; font-weight: 800; background: rgba(255,255,255,.08); color: #fff; border: 1px solid rgba(255,255,255,.14); }
.foot-badge .ico { color: color-mix(in oklab, var(--primary) 50%, white); }
.foot-col h4 { color: #fff; font-size: 16px; margin-bottom: 14px; }
.foot-col ul { list-style: none; padding: 0; margin: 0; }
.foot-col a { display: inline-flex; align-items: center; min-height: 42px; font-size: 15.5px; font-weight: 600; color: rgba(255,255,255,.68); transition: color .14s; }
.foot-col a:hover { color: #fff; }
.foot-bottom { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; padding-top: 24px; border-top: 1px solid rgba(255,255,255,.1); font-size: 14.5px; font-weight: 700; }
.foot-bottom .links { display: flex; gap: 18px; flex-wrap: wrap; }
.foot-bottom a:hover { color: #fff; }
@media (max-width: 820px){ .foot-grid { grid-template-columns: 1fr 1fr; gap: 28px; } }
@media (max-width: 480px){ .foot-grid { grid-template-columns: 1fr; } }

/* ---------- reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(20px); transition: opacity .6s cubic-bezier(.2,.7,.2,1), transform .6s cubic-bezier(.2,.7,.2,1); }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce){ .reveal { opacity: 1; transform: none; transition: none; } *{ animation: none !important; } }

/* decorative blob */
.blob { position: absolute; border-radius: 50%; pointer-events: none; z-index: 0; }
@keyframes floatY { 0%,100%{ transform: translateY(0);} 50%{ transform: translateY(-10px);} }
.float { animation: floatY 5s ease-in-out infinite; }

.stat-num { font-family: var(--font-display); font-weight: 800; }
.divider { height: 1px; background: var(--line-soft); border: 0; margin: 0; }