/* ============================================================
   XP REVISE — Global Stylesheet
   Brand: magenta #dc0064 · royal blue #143c8c · gold #ffb31f
   Fonts: Plus Jakarta Sans (display) + Inter (body)
   ============================================================ */

/* ===== Custom Properties ===== */
:root {
  /* Brand colours (from logo) */
  --magenta:       #dc0064;
  --magenta-700:   #b00450;
  --magenta-tint:  #fde6f0;
  --blue:          #143c8c;
  --blue-700:      #0e2c6b;
  --blue-600:      #1a4aa8;
  --blue-300:      #5b78c4;
  --blue-tint:     #eef2fb;
  --blue-50:       #f3f6fc;
  --blue-100:      #e4ebf8;
  --gold:          #ffb31f;
  --gold-700:      #c2740a;
  --green:         #0f9d6b;
  --green-700:     #0e7344;
  --ink:           #0e1530;
  --ink-soft:      #4a5170;
  --slate:         #5a6488;
  --line:          #e7ebf4;
  --white:         #ffffff;

  /* Spacing & shape */
  --radius:        18px;
  --radius-lg:     26px;
  --shadow-sm:     0 2px 10px -4px rgba(20,40,90,.18);
  --shadow:        0 28px 60px -34px rgba(20,50,120,.45);
  --ease:          cubic-bezier(.22,1,.36,1);
}

/* ===== Reset ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', system-ui, sans-serif;
  color: var(--ink);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
h1, h2, h3, h4, .display {
  font-family: 'Plus Jakarta Sans', sans-serif;
  line-height: 1.08;
  letter-spacing: -.022em;
}
a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
section { position: relative; }

/* ===== Layout ===== */
.wrap { width: min(1180px, 92vw); margin-inline: auto; }

/* ===== Eyebrow label ===== */
.eyebrow {
  display: inline-flex; align-items: center; gap: .55em;
  font-weight: 700; font-size: .74rem; letter-spacing: .16em; text-transform: uppercase;
  color: var(--blue); background: var(--blue-50);
  border: 1px solid var(--blue-100);
  padding: .5em 1em; border-radius: 999px;
}

/* ===== Logo ===== */
.logo {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 800; font-size: 1.42rem;
  letter-spacing: -.03em; white-space: nowrap;
  display: inline-flex; align-items: center; gap: .42em;
}
.logo-mark { width: 1.06em; height: 1.06em; flex: none; }
.logo .xp  { color: var(--magenta); }
.logo .rv  { color: var(--blue); }
.logo.on-dark .rv { color: #fff; }

/* ===== SVG mark (hidden sprite) ===== */
.xp-sprite { width: 0; height: 0; position: absolute; overflow: hidden; }

/* ===== Buttons ===== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .55em;
  font-family: 'Plus Jakarta Sans', sans-serif; font-weight: 700; font-size: 1rem;
  padding: .85em 1.5em; border-radius: 13px; border: 0; cursor: pointer;
  background: var(--blue); color: #fff;
  box-shadow: 0 12px 26px -12px rgba(20,60,140,.6);
  transition: transform .18s var(--ease), box-shadow .18s, filter .18s;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 18px 34px -14px rgba(20,60,140,.7); filter: brightness(1.04); }
.btn--magenta { background: var(--magenta); box-shadow: 0 12px 26px -12px rgba(220,0,100,.6); }
.btn--magenta:hover { box-shadow: 0 18px 34px -14px rgba(220,0,100,.7); }
.btn--ghost { background: #fff; color: var(--blue); box-shadow: inset 0 0 0 1.5px var(--line); }
.btn--ghost:hover { box-shadow: inset 0 0 0 1.5px var(--blue-100); }
.btn--lg { font-size: 1.1rem; padding: 1em 1.8em; }

/* Google sign-in — brand-correct */
.btn-google {
  display: inline-flex; align-items: center; gap: .65em;
  background: #fff; color: #3c4043;
  font-family: 'Inter', sans-serif; font-weight: 600; font-size: .96rem;
  padding: .72em 1.25em; border-radius: 12px; cursor: pointer;
  box-shadow: 0 1px 3px rgba(60,64,67,.25), 0 0 0 1px rgba(60,64,67,.10);
  transition: box-shadow .15s, transform .15s; white-space: nowrap;
}
.btn-google:hover { box-shadow: 0 3px 8px rgba(60,64,67,.3), 0 0 0 1px rgba(60,64,67,.14); transform: translateY(-1px); }
.btn-google svg { width: 19px; height: 19px; flex: none; }
.btn-google.on-dark { box-shadow: 0 14px 30px -10px rgba(0,0,0,.5); }

/* ===== Navigation ===== */
header.nav {
  position: fixed; inset: 0 0 auto 0; z-index: 60;
  background: rgba(255,255,255,.82); backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent; transition: .25s;
}
header.nav.scrolled { border-color: var(--line); box-shadow: 0 10px 30px -26px rgba(20,50,120,.6); }
.nav-inner { display: flex; align-items: center; gap: 1.4rem; height: 74px; }
.nav-links { display: flex; align-items: center; gap: 2rem; margin-left: 2.4rem; }
.nav-links a { font-weight: 600; color: var(--slate); font-size: .97rem; transition: color .15s; }
.nav-links a:hover { color: var(--ink); }
.nav-cta { margin-left: auto; display: flex; align-items: center; gap: .8rem; }
.burger { display: none; background: none; border: 0; font-size: 1.35rem; color: var(--blue); cursor: pointer; }

/* ===== Hero (shared base) ===== */
.hero { padding: 150px 0 100px; position: relative; overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 3.4rem; align-items: center; }
.hero h1 { font-size: clamp(2.7rem, 5.2vw, 4.3rem); font-weight: 800; }
.hero p.lede { font-size: clamp(1.06rem, 1.5vw, 1.24rem); color: var(--slate); margin: 1.5rem 0 2.1rem; max-width: 38ch; }
.hero-cta { display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; }

/* ===== Exam board strip ===== */
.examstrip { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--blue-50); }
.examstrip .wrap {
  display: flex; align-items: center; justify-content: center;
  gap: 2.5rem; padding: 1.4rem 0; flex-wrap: wrap;
  color: var(--slate); font-weight: 700; font-size: .95rem;
}
.examstrip b { font-family: 'Plus Jakarta Sans', sans-serif; color: var(--blue); }

/* ===== Stats ===== */
.stats { padding: 5rem 0; }
.stats-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 1.5rem; }
.stat { text-align: center; padding: 0 1rem; position: relative; }
.stat:not(:last-child)::after {
  content: ""; position: absolute; right: 0; top: 14%; height: 72%;
  width: 1px; background: var(--line);
}
.stat .num {
  font-family: 'Plus Jakarta Sans', sans-serif; font-weight: 800;
  font-size: clamp(2.2rem, 3.6vw, 3rem);
  background: linear-gradient(120deg, var(--blue), var(--magenta));
  -webkit-background-clip: text; background-clip: text; color: transparent; line-height: 1;
}
.stat .num i { -webkit-text-fill-color: var(--blue); }
.stat .lbl { color: var(--slate); font-weight: 600; margin-top: .5rem; font-size: 1rem; }

/* ===== Section scaffolding ===== */
.sec { padding: 96px 0; }
.sec-alt { background: var(--blue-50); }
.sec-head { max-width: 660px; margin: 0 auto 3.4rem; text-align: center; }
.sec-head h2 { font-size: clamp(2rem, 3.6vw, 2.9rem); font-weight: 800; margin: .8rem 0 .7rem; }
.sec-head p { color: var(--slate); font-size: 1.1rem; }

/* ===== How it works ===== */
.steps { display: grid; grid-template-columns: repeat(3,1fr); gap: 1.4rem; }
.step {
  background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius-lg); padding: 2.1rem;
  box-shadow: var(--shadow-sm); position: relative; overflow: hidden;
}
.step::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 4px;
  background: linear-gradient(90deg, var(--blue), var(--magenta));
}
.step .ico {
  width: 58px; height: 58px; border-radius: 16px;
  background: var(--blue-50); color: var(--blue);
  display: grid; place-items: center; font-size: 1.4rem; margin-bottom: 1.2rem;
}
.step .n {
  position: absolute; top: 1.6rem; right: 1.9rem;
  font-family: 'Plus Jakarta Sans', sans-serif; font-weight: 800; font-size: 1rem;
  color: #fff; background: var(--blue); width: 30px; height: 30px;
  border-radius: 50%; display: grid; place-items: center;
}
.step h3 { font-size: 1.28rem; font-weight: 700; margin-bottom: .5rem; }
.step p { color: var(--slate); }

/* ===== Subject cards ===== */
.subj-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 1.5rem; }
.subj {
  background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius-lg); overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform .25s var(--ease), box-shadow .25s;
  display: flex; flex-direction: column;
}
.subj:hover { transform: translateY(-6px); box-shadow: var(--shadow); }

/* Subject header strip */
.subj .hd {
  padding: 1.7rem 1.7rem 1.3rem; color: #fff; position: relative;
  display: flex; align-items: flex-start; justify-content: space-between;
}
.subj.cs   .hd { background: linear-gradient(135deg, var(--blue), var(--blue-600)); }
.subj.btec .hd { background: linear-gradient(135deg, var(--magenta), #ff3d88); }
.subj.acc  .hd { background: linear-gradient(135deg, var(--green), #13b87d); }
.subj .hd .sico { font-size: 1.9rem; }
.subj .bdg {
  font-family: 'Plus Jakarta Sans', sans-serif; font-weight: 800;
  font-size: .72rem; letter-spacing: .06em;
  background: rgba(255,255,255,.22); border: 1px solid rgba(255,255,255,.4);
  padding: .4em .75em; border-radius: 9px;
}
.subj .bd { padding: 1.5rem 1.7rem 1.7rem; display: flex; flex-direction: column; gap: 1rem; flex: 1; }
.subj h3 { font-size: 1.28rem; font-weight: 700; line-height: 1.18; }
.subj .meta { display: flex; gap: 1.2rem; color: var(--slate); font-weight: 600; font-size: .9rem; flex-wrap: wrap; }
.subj .meta span { display: inline-flex; align-items: center; gap: .4em; }
.subj .pr { margin-top: .2rem; }
.subj .pr .prr { display: flex; justify-content: space-between; font-size: .78rem; font-weight: 700; color: var(--slate); margin-bottom: .4rem; }
.subj .pr .bar { height: 7px; border-radius: 999px; background: var(--blue-50); overflow: hidden; }
.subj .pr .bar i { display: block; height: 100%; border-radius: 999px; }
.subj.cs   .pr .bar i { background: var(--blue);    width: 64%; }
.subj.btec .pr .bar i { background: var(--magenta); width: 42%; }
.subj.acc  .pr .bar i { background: var(--green);   width: 78%; }
.subj .bd .btn { margin-top: auto; }

/* ===== Gamification features ===== */
.feat-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 1.3rem; }
.feat {
  background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius); padding: 1.8rem;
  transition: transform .2s var(--ease), box-shadow .2s;
}
.feat:hover { transform: translateY(-4px); box-shadow: var(--shadow-sm); }
.feat .fico {
  width: 52px; height: 52px; border-radius: 14px;
  display: grid; place-items: center; font-size: 1.25rem;
  margin-bottom: 1.1rem; color: #fff;
}
.feat h3 { font-size: 1.16rem; font-weight: 700; margin-bottom: .35rem; }
.feat p { color: var(--slate); font-size: .96rem; }

/* ===== Testimonials ===== */
.testi-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 1.3rem; }
.quote {
  background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius); padding: 1.6rem;
  box-shadow: var(--shadow-sm);
  display: flex; flex-direction: column; gap: 1rem;
}
.quote .stars { color: var(--gold); font-size: .85rem; display: flex; gap: .12rem; }
.quote p { color: var(--ink); font-size: .97rem; }
.quote .who { display: flex; align-items: center; gap: .7rem; margin-top: auto; }
.avatar {
  width: 42px; height: 42px; border-radius: 50%;
  display: grid; place-items: center;
  font-family: 'Plus Jakarta Sans', sans-serif; font-weight: 700;
  color: #fff; font-size: .95rem; flex: none;
}
.quote .nm { font-weight: 700; font-size: .94rem; font-family: 'Plus Jakarta Sans', sans-serif; }
.quote .rl { color: var(--slate); font-size: .8rem; font-weight: 500; }

/* ===== CTA banner ===== */
.cta {
  background: linear-gradient(120deg, var(--blue-700), var(--blue) 60%, var(--blue-600));
  color: #fff; text-align: center; padding: 88px 0;
  position: relative; overflow: hidden;
}
.cta::before {
  content: ""; position: absolute; width: 420px; height: 420px; border-radius: 50%;
  background: radial-gradient(circle, rgba(220,0,100,.4), transparent 65%);
  top: -160px; right: -80px;
}
.cta::after {
  content: ""; position: absolute; width: 360px; height: 360px; border-radius: 50%;
  background: radial-gradient(circle, rgba(255,255,255,.18), transparent 65%);
  bottom: -180px; left: -60px;
}
.cta h2 { font-size: clamp(2.1rem, 4vw, 3.1rem); font-weight: 800; position: relative; }
.cta p { color: #cdd9f6; font-size: 1.14rem; margin: .9rem auto 2rem; max-width: 50ch; position: relative; }
.cta .gw { position: relative; display: flex; justify-content: center; }

/* ===== Footer ===== */
footer {
  background: #fff; border-top: 1px solid var(--line);
  padding: 64px 0 34px; color: var(--slate);
}
.foot-top {
  display: flex; justify-content: space-between; gap: 2.5rem;
  flex-wrap: wrap; padding-bottom: 2.4rem;
  border-bottom: 1px solid var(--line); align-items: flex-start;
}
.foot-blurb { max-width: 30ch; margin-top: .9rem; font-size: .95rem; font-weight: 500; }
.foot-social { display: flex; gap: .6rem; margin-top: 1.2rem; }
.foot-social a {
  width: 38px; height: 38px; border-radius: 11px;
  background: var(--blue-50); display: grid; place-items: center;
  color: var(--blue); transition: .15s;
}
.foot-social a:hover { background: var(--blue); color: #fff; }
.foot-links { display: flex; gap: 3.4rem; flex-wrap: wrap; }
.foot-col h4 {
  font-family: 'Plus Jakarta Sans', sans-serif;
  color: var(--ink); font-weight: 700; font-size: .98rem; margin-bottom: .9rem;
}
.foot-col a { display: block; padding: .32rem 0; font-size: .93rem; font-weight: 500; transition: color .15s; }
.foot-col a:hover { color: var(--blue); }
.foot-bottom {
  padding-top: 1.8rem; display: flex; justify-content: space-between;
  gap: 1rem; flex-wrap: wrap; font-size: .88rem; font-weight: 500;
}

/* ===== Direction switcher pill ===== */
.switcher {
  position: fixed; bottom: 18px; left: 50%; transform: translateX(-50%); z-index: 90;
  background: var(--ink); color: #fff; border-radius: 999px;
  padding: .4rem .4rem .4rem 1rem;
  display: flex; align-items: center; gap: .7rem;
  box-shadow: 0 18px 40px -16px rgba(0,0,0,.6);
  font-weight: 700; font-size: .85rem;
  font-family: 'Plus Jakarta Sans', sans-serif;
}
.switcher .lab { opacity: .7; font-size: .7rem; letter-spacing: .1em; text-transform: uppercase; }
.switcher a {
  background: var(--magenta); color: #fff; padding: .45em 1em; border-radius: 999px;
  font-weight: 700; font-size: .82rem;
  display: inline-flex; align-items: center; gap: .4em; transition: filter .15s;
}
.switcher a:hover { filter: brightness(1.08); }

/* ===== Scroll reveal ===== */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
.reveal[data-d="1"] { transition-delay: .08s; }
.reveal[data-d="2"] { transition-delay: .16s; }
.reveal[data-d="3"] { transition-delay: .24s; }

/* ===== Responsive ===== */
@media (max-width: 980px) {
  .nav-links { display: none; }
  .burger { display: block; margin-left: auto; }
  .nav-cta .btn-google span { display: none; }
  .nav-cta .btn-google { padding: .72em; }
  .hero-grid { grid-template-columns: 1fr; gap: 2.6rem; }
  .stats-grid { grid-template-columns: repeat(2,1fr); gap: 2.4rem 1rem; }
  .stat:nth-child(2)::after { display: none; }
  .steps, .subj-grid, .feat-grid { grid-template-columns: 1fr; }
  .testi-grid { grid-template-columns: repeat(2,1fr); }
}
@media (max-width: 560px) {
  .hero { padding: 120px 0 70px; }
  .testi-grid { grid-template-columns: 1fr; }
  .stat::after { display: none !important; }
  .switcher .lab { display: none; }
  .sec { padding: 72px 0; }
}
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}

/* ============================================================
   DASHBOARD — dashboard.php
   ============================================================ */

.dash-page {
    background:
        radial-gradient(55% 50% at 100% 0%,   var(--blue-tint),    transparent 60%),
        radial-gradient(40% 40% at 0%   100%, var(--magenta-tint), transparent 60%),
        var(--blue-50);
    min-height: calc(100vh - 74px);
    padding: 100px 0 80px;
}

/* ── GREETING HEADER ───────────────────────────────── */
.dash-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    margin-bottom: 2.4rem;
    flex-wrap: wrap;
}
.dash-greeting { display: flex; align-items: center; gap: 1rem; }
.dash-avatar {
    width: 52px; height: 52px; border-radius: 50%; flex: none;
    background: var(--blue);
    color: #fff; display: grid; place-items: center;
    font-family: "Plus Jakarta Sans", sans-serif;
    font-weight: 800; font-size: 1.1rem;
    border: 3px solid #fff;
    box-shadow: 0 0 0 2px var(--blue-300);
    overflow: hidden;
}
.dash-avatar img { width: 100%; height: 100%; object-fit: cover; border-radius: 50%; }
.dash-greeting-text h1 {
    font-size: clamp(1.4rem, 2.8vw, 2rem);
    font-weight: 800; line-height: 1.1; margin-bottom: .2rem;
}
.dash-greeting-text h1 .name { color: var(--blue); }
.dash-greeting-text p { color: var(--slate); font-size: .95rem; font-weight: 500; }
.dash-header-right { display: flex; align-items: center; gap: .75rem; }
.streak-badge {
    display: inline-flex; align-items: center; gap: .4em;
    background: #fff5e6; border: 1.5px solid #ffe2b0;
    color: var(--gold-700); border-radius: 999px;
    padding: .45em 1em; font-weight: 800; font-size: .9rem;
    font-family: "Plus Jakarta Sans", sans-serif;
}
.streak-badge i { color: var(--gold); }
.dash-signout {
    display: inline-flex; align-items: center; gap: .4em;
    color: var(--slate); font-size: .88rem; font-weight: 600;
    background: #fff; border: 1px solid var(--line);
    border-radius: 999px; padding: .45em 1em;
    cursor: pointer; transition: color .15s, border-color .15s;
    font-family: "Inter", sans-serif;
}
.dash-signout:hover { color: var(--magenta); border-color: rgba(220,0,100,.3); }

/* ── STATS ROW ─────────────────────────────────────── */
.stats-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    margin-bottom: 2.4rem;
}
.stat-card {
    background: #fff; border: 1px solid var(--line);
    border-radius: var(--radius); padding: 1.3rem 1.4rem;
    box-shadow: var(--shadow-sm);
    display: flex; flex-direction: column; gap: .35rem;
    position: relative; overflow: hidden;
}
.stat-card::before {
    content: ""; position: absolute;
    top: 0; left: 0; right: 0; height: 3px;
}
.stat-card.xp::before     { background: linear-gradient(90deg, var(--blue), var(--magenta)); }
.stat-card.streak::before { background: var(--gold); }
.stat-card.started::before  { background: var(--blue); }
.stat-card.mastered::before { background: var(--green); }
.stat-card .stat-icon {
    width: 36px; height: 36px; border-radius: 10px;
    display: grid; place-items: center;
    font-size: .95rem; margin-bottom: .15rem; flex: none;
}
.stat-card.xp      .stat-icon { background: var(--magenta-tint); color: var(--magenta); }
.stat-card.streak  .stat-icon { background: #fff5e6;              color: var(--gold-700); }
.stat-card.started  .stat-icon { background: var(--blue-50);       color: var(--blue); }
.stat-card.mastered .stat-icon { background: #ecfdf5;              color: var(--green); }
.stat-card .stat-val {
    font-family: "Plus Jakarta Sans", sans-serif;
    font-weight: 800; font-size: 1.8rem; line-height: 1;
    color: var(--ink);
}
.stat-card .stat-lbl {
    font-size: .78rem; font-weight: 700; text-transform: uppercase;
    letter-spacing: .1em; color: var(--slate);
}

/* ── SECTION HEADING ───────────────────────────────── */
.dash-section-head {
    display: flex; align-items: baseline;
    justify-content: space-between; gap: 1rem;
    margin-bottom: 1.2rem;
}
.dash-section-head h2 { font-size: 1.25rem; font-weight: 800; }
.dash-section-head a  { font-size: .85rem; font-weight: 700; color: var(--blue); }
.dash-section-head a:hover { text-decoration: underline; }

/* ── SUBJECT CARDS ─────────────────────────────────── */
.subject-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.3rem;
    margin-bottom: 2.4rem;
}
.subject-card {
    background: #fff; border: 1px solid var(--line);
    border-radius: var(--radius-lg); overflow: hidden;
    box-shadow: var(--shadow-sm);
    display: flex; flex-direction: column;
    transition: transform .22s var(--ease), box-shadow .22s;
    text-decoration: none; color: inherit;
}
.subject-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.subject-card.coming { opacity: .6; cursor: default; pointer-events: none; }
.subject-card .sc-head {
    padding: 1.4rem 1.6rem 1.2rem;
    color: #fff; position: relative;
}
.subject-card.cs   .sc-head { background: linear-gradient(135deg, var(--blue), var(--blue-600)); }
.subject-card.btec .sc-head { background: linear-gradient(135deg, var(--magenta), #ff3d88); }
.subject-card.acc  .sc-head { background: linear-gradient(135deg, var(--green), #13b87d); }
.sc-board-badge {
    display: inline-block;
    background: rgba(255,255,255,.22); border: 1px solid rgba(255,255,255,.4);
    border-radius: 8px; padding: .25em .7em;
    font-size: .72rem; font-weight: 800; letter-spacing: .06em;
    margin-bottom: .6rem;
}
.sc-head h3 { font-size: 1.15rem; font-weight: 800; line-height: 1.2; }
.sc-head .sc-unit { font-size: .82rem; opacity: .85; margin-top: .2rem; font-weight: 600; }
.subject-card .sc-body { padding: 1.2rem 1.6rem 1.6rem; flex: 1; display: flex; flex-direction: column; gap: .9rem; }
.sc-meta { display: flex; gap: 1.2rem; flex-wrap: wrap; }
.sc-meta span {
    display: inline-flex; align-items: center; gap: .35em;
    font-size: .84rem; font-weight: 600; color: var(--slate);
}
.sc-progress-row {
    display: flex; justify-content: space-between;
    font-size: .78rem; font-weight: 700; color: var(--slate);
    margin-bottom: .4rem;
}
.sc-progress-row .pct { color: var(--ink); }
.sc-bar { height: 8px; border-radius: 999px; background: var(--blue-50); overflow: hidden; }
.sc-bar i { display: block; height: 100%; border-radius: 999px; transition: width 1.4s var(--ease); }
.subject-card.cs   .sc-bar i { background: var(--blue); }
.subject-card.btec .sc-bar i { background: var(--magenta); }
.subject-card.acc  .sc-bar i { background: var(--green); }
.sc-cta {
    display: inline-flex; align-items: center; justify-content: center; gap: .5em;
    padding: .7em 1.4em; border-radius: 12px; border: none;
    font-family: "Plus Jakarta Sans", sans-serif; font-weight: 700; font-size: .9rem;
    cursor: pointer; transition: filter .15s, transform .15s; width: 100%;
    margin-top: auto; text-decoration: none;
}
.subject-card.cs   .sc-cta { background: var(--blue);    color: #fff; box-shadow: 0 8px 20px -8px rgba(20,60,140,.5); }
.subject-card.btec .sc-cta { background: var(--magenta); color: #fff; box-shadow: 0 8px 20px -8px rgba(220,0,100,.5); }
.subject-card.acc  .sc-cta { background: var(--green);   color: #fff; box-shadow: 0 8px 20px -8px rgba(15,157,107,.5); }
.sc-cta:hover { filter: brightness(1.07); transform: translateY(-1px); }
.sc-coming-pill {
    display: inline-flex; align-items: center; gap: .4em;
    background: var(--blue-50); border: 1px solid var(--line);
    color: var(--slate); border-radius: 999px;
    padding: .45em 1em; font-size: .82rem; font-weight: 700;
    width: 100%; justify-content: center; margin-top: auto;
}

/* ── RECENT ACTIVITY ───────────────────────────────── */
.activity-list {
    display: flex; flex-direction: column; gap: .65rem;
    margin-bottom: 2.4rem;
}
.activity-row {
    background: #fff; border: 1px solid var(--line);
    border-radius: var(--radius); padding: .9rem 1.2rem;
    display: flex; align-items: center; gap: 1rem;
    box-shadow: var(--shadow-sm);
}
.activity-icon {
    width: 38px; height: 38px; border-radius: 11px; flex: none;
    display: grid; place-items: center; font-size: 1rem;
    background: var(--blue-50); color: var(--blue);
}
.activity-text { flex: 1; }
.activity-text .at { font-weight: 700; font-size: .95rem; }
.activity-text .as { font-size: .82rem; color: var(--slate); font-weight: 500; margin-top: .1rem; }
.activity-xp {
    font-family: "Plus Jakarta Sans", sans-serif;
    font-weight: 800; font-size: .9rem; color: var(--magenta);
    white-space: nowrap;
}
.activity-stars { display: flex; gap: 2px; }
.activity-star { font-size: .85rem; color: var(--line); }
.activity-star.lit { color: var(--gold); }
.activity-empty {
    text-align: center; padding: 2rem;
    color: var(--slate); font-size: .95rem; font-weight: 600;
    background: #fff; border: 1px solid var(--line);
    border-radius: var(--radius); box-shadow: var(--shadow-sm);
}

/* ── XP LEVEL BAR ──────────────────────────────────── */
.dash-level-bar {
    background: #fff; border: 1px solid var(--line);
    border-radius: var(--radius); padding: 1.1rem 1.4rem;
    box-shadow: var(--shadow-sm); margin-bottom: 2.4rem;
}
.dlb-row {
    display: flex; justify-content: space-between; align-items: baseline;
    font-size: .82rem; font-weight: 700; color: var(--slate); margin-bottom: .55rem;
}
.dlb-row .dlb-level { color: var(--blue); font-family: "Plus Jakarta Sans", sans-serif; font-size: .95rem; }
.dlb-row .dlb-next  { color: var(--magenta); }
.dlb-track { height: 12px; border-radius: 999px; background: var(--blue-50); overflow: hidden; border: 1px solid var(--blue-100); }
.dlb-fill  { height: 100%; width: 0; border-radius: 999px; background: linear-gradient(90deg, var(--blue), var(--magenta)); transition: width 1.6s var(--ease); }

/* ── DASHBOARD RESPONSIVE ──────────────────────────── */
@media (max-width: 980px) {
    .stats-row       { grid-template-columns: repeat(2, 1fr); }
    .subject-grid    { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 620px) {
    .dash-header     { flex-direction: column; align-items: flex-start; }
    .stats-row       { grid-template-columns: repeat(2, 1fr); }
    .subject-grid    { grid-template-columns: 1fr; }
    .dash-page       { padding: 90px 0 60px; }
}

/* ============================================================
   WJEC A2 CS Subject Hub -- wjec-cs-a2.php
   ============================================================ */

/* -- PAGE HERO ---------------------------------------- */
.subj-hero {
    background:
        radial-gradient(55% 70% at 90% 5%,  rgba(20,60,140,.12),   transparent 65%),
        radial-gradient(45% 55% at 0%  95%, rgba(220,0,100,.09),   transparent 65%),
        var(--blue-50);
    padding: 130px 0 64px;
    border-bottom: 1px solid var(--line);
}
.subj-hero-inner {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 2.4rem;
    align-items: center;
}
.subj-eyebrow { margin-bottom: .9rem; }
.subj-hero h1 { font-size: clamp(2rem, 3.8vw, 3.1rem); font-weight: 800; margin-bottom: .6rem; line-height: 1.1; }
.subj-hero h1 .blue { color: var(--blue); }
.subj-hero p { color: var(--slate); font-size: 1.05rem; max-width: 52ch; line-height: 1.65; }
.subj-meta { display: flex; gap: .75rem; flex-wrap: wrap; margin-top: 1.4rem; }
.subj-meta-chip {
    display: inline-flex; align-items: center; gap: .45em;
    background: #fff; border: 1px solid var(--line);
    border-radius: 999px; padding: .4em 1em;
    font-weight: 700; font-size: .82rem; color: var(--ink-soft);
    box-shadow: var(--shadow-sm);
}
.subj-meta-chip i { font-size: .85rem; }
.subj-xp-card {
    background: #fff; border: 1px solid var(--line);
    border-radius: var(--radius); padding: 1.4rem 1.6rem;
    box-shadow: var(--shadow-sm); min-width: 220px; text-align: center;
}
.subj-xp-card .lbl { font-size: .72rem; font-weight: 700; text-transform: uppercase; letter-spacing: .13em; color: var(--slate); margin-bottom: .5rem; }
.subj-xp-card .xpval { font-family: "Plus Jakarta Sans", sans-serif; font-weight: 800; font-size: 2rem; color: var(--magenta); line-height: 1; margin-bottom: .4rem; }
.subj-xp-card .lvl { font-size: .85rem; font-weight: 700; color: var(--blue); margin-bottom: .8rem; }
.subj-xpbar { height: 10px; border-radius: 999px; background: var(--blue-50); overflow: hidden; border: 1px solid var(--blue-100); }
.subj-xpbar i { display: block; height: 100%; width: 0; border-radius: 999px; background: linear-gradient(90deg, var(--blue), var(--magenta)); transition: width 1.6s var(--ease); }

/* -- SECTION SCAFFOLD --------------------------------- */
.hub-section { padding: 72px 0; }
.hub-section.alt { background: var(--blue-50); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.hub-head { max-width: 640px; margin: 0 auto 2.8rem; text-align: center; }
.hub-head .sec-num {
    display: inline-block;
    font-family: "Plus Jakarta Sans", sans-serif;
    font-weight: 800; font-size: .7rem; letter-spacing: .2em; text-transform: uppercase;
    color: var(--blue); background: var(--blue-50); border: 1px solid var(--blue-100);
    padding: .35em .85em; border-radius: 999px; margin-bottom: .8rem;
}
.hub-head h2 { font-size: clamp(1.6rem, 3vw, 2.4rem); font-weight: 800; margin-bottom: .55rem; }
.hub-head p { color: var(--slate); font-size: 1rem; }

/* -- SKILL PATH --------------------------------------- */
.skill-path { position: relative; display: flex; flex-direction: column; align-items: center; gap: 0; }
.skill-path::before {
    content: "";
    position: absolute; left: 50%; top: 0; bottom: 0; width: 3px;
    background: var(--line); transform: translateX(-50%); z-index: 0;
}
.skill-row {
    display: flex; align-items: center; gap: 1.6rem;
    width: 100%; max-width: 680px; z-index: 1; padding: 10px 0;
}
.skill-row.right { flex-direction: row-reverse; }
.skill-node {
    position: relative; flex-shrink: 0;
    width: 72px; height: 72px; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.6rem; cursor: pointer;
    border: 3px solid transparent;
    transition: transform .22s var(--ease), box-shadow .22s;
    background: #fff; box-shadow: var(--shadow-sm);
}
.skill-node.unlocked { border-color: var(--blue); box-shadow: 0 0 0 4px rgba(20,60,140,.12), var(--shadow-sm); }
.skill-node.active   { border-color: var(--magenta); box-shadow: 0 0 0 4px rgba(220,0,100,.15), var(--shadow-sm); animation: nodeGlow 2s ease-in-out infinite; }
.skill-node.mastered { border-color: var(--gold); box-shadow: 0 0 0 4px rgba(255,179,31,.2), var(--shadow-sm); }
.skill-node.locked   { border-color: var(--line); opacity: .55; cursor: not-allowed; filter: grayscale(.6); }
.skill-node:hover:not(.locked) { transform: scale(1.1) rotate(-3deg); }
@keyframes nodeGlow {
    0%,100% { box-shadow: 0 0 0 4px rgba(220,0,100,.15), var(--shadow-sm); }
    50%      { box-shadow: 0 0 0 8px rgba(220,0,100,.25), var(--shadow-sm); }
}
.skill-info {
    flex: 1; background: #fff; border: 1px solid var(--line);
    border-radius: var(--radius); padding: 1.1rem 1.3rem;
    transition: border-color .2s, transform .2s, box-shadow .2s;
    cursor: pointer; box-shadow: var(--shadow-sm);
}
.skill-info:hover:not(.locked-card) { border-color: var(--blue-300); transform: translateY(-2px); box-shadow: var(--shadow); }
.skill-info.locked-card { cursor: not-allowed; opacity: .6; }
.skill-info-unit  { font-size: .72rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--slate); margin-bottom: .3rem; }
.skill-info-title { font-family: "Plus Jakarta Sans", sans-serif; font-weight: 700; font-size: 1rem; margin-bottom: .25rem; color: var(--ink); }
.skill-info-sub   { font-size: .84rem; color: var(--slate); margin-bottom: .6rem; line-height: 1.5; }
.skill-marks {
    display: inline-flex; align-items: center; gap: .35em;
    background: var(--magenta-tint); color: var(--magenta-700);
    font-size: .72rem; font-weight: 700; padding: .3em .75em;
    border-radius: 999px; border: 1px solid rgba(220,0,100,.2);
}
.skill-stars { display: flex; gap: 3px; margin-top: .5rem; }
.skill-star { font-size: .9rem; color: var(--line); }
.skill-star.lit { color: var(--gold); }
.skill-node-crown { position: absolute; top: -6px; right: -6px; font-size: .75rem; }

/* -- REFERENCE CARDS ---------------------------------- */
.ref-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(290px,1fr)); gap: 1.3rem; }
.ref-card {
    background: #fff; border: 1px solid var(--line);
    border-radius: var(--radius); padding: 1.5rem 1.6rem;
    position: relative; overflow: hidden;
    transition: transform .22s var(--ease), box-shadow .22s;
    box-shadow: var(--shadow-sm);
}
.ref-card::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 3px; border-radius: var(--radius) var(--radius) 0 0; }
.ref-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.ref-card-icon  { font-size: 1.7rem; margin-bottom: .6rem; }
.ref-card-title { font-family: "Plus Jakarta Sans", sans-serif; font-weight: 700; font-size: 1.05rem; margin-bottom: .3rem; }
.ref-card-marks {
    display: inline-block; font-size: .72rem; font-weight: 700;
    padding: .28em .75em; border-radius: 999px;
    background: var(--blue-50); color: var(--blue); border: 1px solid var(--blue-100); margin-bottom: .75rem;
}
.ref-card-desc  { font-size: .88rem; color: var(--slate); line-height: 1.65; margin-bottom: .9rem; }
.ref-chip-row   { display: flex; flex-wrap: wrap; gap: .4rem; margin-bottom: 1rem; }
.ref-chip { font-size: .7rem; font-weight: 700; padding: .25em .65em; border-radius: 7px; background: var(--blue-50); color: var(--ink-soft); border: 1px solid var(--line); }
.ref-quiz-btn {
    display: block; width: 100%; padding: .7em; background: transparent;
    border: 1.5px solid var(--blue); border-radius: 11px;
    color: var(--blue); font-family: "Plus Jakarta Sans", sans-serif;
    font-weight: 700; font-size: .88rem; cursor: pointer;
    transition: background .15s, color .15s, transform .15s;
}
.ref-quiz-btn:hover { background: var(--blue); color: #fff; transform: translateY(-1px); }

/* -- QUIZ MODAL --------------------------------------- */
.quiz-modal {
    display: none; position: fixed; inset: 0; z-index: 300;
    background: rgba(14,21,48,.72); backdrop-filter: blur(6px);
    align-items: center; justify-content: center; padding: 20px;
}
.quiz-modal.open { display: flex; }
.quiz-card {
    background: #fff; border: 1px solid var(--line);
    border-radius: var(--radius-lg); width: 100%; max-width: 660px;
    padding: 2.4rem; position: relative;
    box-shadow: 0 48px 96px -48px rgba(14,21,48,.5);
    max-height: 92vh; overflow-y: auto;
    animation: quizIn .28s var(--ease);
}
@keyframes quizIn { from { opacity: 0; transform: scale(.94) translateY(12px); } to { opacity: 1; transform: none; } }
.quiz-close {
    position: absolute; top: 1.2rem; right: 1.4rem;
    background: var(--blue-50); border: 1px solid var(--line);
    border-radius: 9px; color: var(--slate); cursor: pointer;
    padding: .4em .8em; font-size: .85rem; font-weight: 600;
    font-family: "Inter", sans-serif; transition: background .15s, color .15s;
}
.quiz-close:hover { background: var(--magenta-tint); color: var(--magenta); border-color: rgba(220,0,100,.3); }
.quiz-hearts { display: flex; gap: 4px; justify-content: center; margin-bottom: 1.2rem; }
.quiz-heart { font-size: 1.3rem; transition: transform .3s, filter .3s; }
.quiz-heart.lost { filter: grayscale(1); transform: scale(.75); }
.quiz-prog-bg { height: 7px; background: var(--blue-50); border-radius: 999px; overflow: hidden; border: 1px solid var(--blue-100); margin-bottom: 1.8rem; }
.quiz-prog-fill { height: 100%; width: 0; border-radius: 999px; background: linear-gradient(90deg, var(--blue), var(--magenta)); transition: width .45s var(--ease); }
.quiz-topic  { font-size: .72rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--blue); margin-bottom: .5rem; }
.quiz-q-text { font-family: "Plus Jakarta Sans", sans-serif; font-weight: 700; font-size: 1.18rem; line-height: 1.4; margin-bottom: 1.6rem; color: var(--ink); }
.quiz-options { display: flex; flex-direction: column; gap: .75rem; }
.quiz-option {
    display: flex; align-items: center; gap: .85rem;
    padding: .9rem 1rem; background: var(--blue-50);
    border: 2px solid var(--line); border-radius: 13px;
    cursor: pointer; font-size: .95rem; color: var(--ink);
    text-align: left; transition: border-color .15s, background .15s;
    font-family: "Inter", sans-serif;
}
.quiz-option:hover:not(:disabled) { border-color: var(--blue-300); background: #fff; }
.quiz-option.correct { border-color: var(--green);   background: #ecfdf5; color: var(--green-700); }
.quiz-option.wrong   { border-color: var(--magenta); background: var(--magenta-tint); color: var(--magenta-700); }
.quiz-option:disabled { cursor: default; }
.option-letter {
    width: 28px; height: 28px; border-radius: 8px; flex-shrink: 0;
    background: #fff; border: 1.5px solid var(--line);
    display: flex; align-items: center; justify-content: center;
    font-weight: 700; font-size: .8rem; color: var(--slate);
    font-family: "Plus Jakarta Sans", sans-serif;
}
.quiz-option.correct .option-letter { background: var(--green);   border-color: var(--green);   color: #fff; }
.quiz-option.wrong   .option-letter { background: var(--magenta); border-color: var(--magenta); color: #fff; }
.quiz-feedback { margin-top: 1.2rem; padding: 1rem 1.1rem; border-radius: 12px; font-size: .9rem; line-height: 1.65; display: none; }
.quiz-feedback.show { display: block; }
.quiz-feedback.good { background: #ecfdf5; border: 1px solid #a7f3d0; color: #065f46; }
.quiz-feedback.bad  { background: var(--magenta-tint); border: 1px solid rgba(220,0,100,.25); color: var(--magenta-700); }
.quiz-feedback-title { font-family: "Plus Jakarta Sans", sans-serif; font-weight: 800; font-size: 1rem; margin-bottom: .35rem; }
.quiz-next-btn {
    display: block; width: 100%; margin-top: 1.1rem; padding: .9em;
    background: var(--blue); border: none; border-radius: 13px; color: #fff;
    font-family: "Plus Jakarta Sans", sans-serif; font-weight: 700; font-size: 1rem;
    cursor: pointer; transition: filter .15s, transform .15s;
}
.quiz-next-btn:hover { filter: brightness(1.06); transform: translateY(-1px); }
.quiz-result { text-align: center; padding: 1.2rem 0; }
.result-emoji { font-size: 4rem; margin-bottom: 1rem; animation: resultBob 2s ease-in-out infinite; }
@keyframes resultBob { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-8px); } }
.result-title { font-family: "Plus Jakarta Sans", sans-serif; font-weight: 800; font-size: 2rem; margin-bottom: .4rem; }
.result-sub   { color: var(--slate); margin-bottom: 1.6rem; }
.result-xp-pill {
    display: inline-flex; align-items: center; gap: .5em;
    background: var(--magenta-tint); color: var(--magenta-700);
    font-family: "Plus Jakarta Sans", sans-serif; font-weight: 800; font-size: 1.3rem;
    padding: .6em 1.4em; border-radius: 999px; border: 1.5px solid rgba(220,0,100,.25);
    margin-bottom: 1.6rem;
}
.result-stats { display: flex; justify-content: center; gap: 2.2rem; margin-bottom: 1.8rem; flex-wrap: wrap; }
.result-stat .v { font-family: "Plus Jakarta Sans", sans-serif; font-weight: 800; font-size: 1.8rem; }
.result-stat .l { font-size: .75rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--slate); margin-top: .2rem; }
.result-btn {
    padding: .85em 2em; border: none; border-radius: 13px;
    font-family: "Plus Jakarta Sans", sans-serif; font-weight: 700; font-size: .97rem;
    cursor: pointer; margin: 0 .4rem .6rem; transition: filter .15s, transform .15s;
}
.result-btn.primary { background: var(--blue); color: #fff; }
.result-btn.ghost   { background: transparent; border: 1.5px solid var(--line); color: var(--ink-soft); }
.result-btn:hover   { filter: brightness(1.06); transform: translateY(-1px); }

/* -- XP TOAST ----------------------------------------- */
.xp-toast {
    position: fixed; bottom: 28px; right: 28px; z-index: 500;
    background: var(--ink); color: var(--gold);
    border: 1px solid rgba(255,179,31,.3); border-radius: 14px;
    padding: .75rem 1.3rem;
    font-family: "Plus Jakarta Sans", sans-serif; font-weight: 800; font-size: 1rem;
    display: flex; align-items: center; gap: .55em;
    transform: translateY(80px); opacity: 0;
    transition: all .35s var(--ease); pointer-events: none;
}
.xp-toast.show { transform: translateY(0); opacity: 1; }

/* -- TOOLS -------------------------------------------- */
.tool-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 1.8rem 2rem; box-shadow: var(--shadow-sm); }
.tool-title { font-family: "Plus Jakarta Sans", sans-serif; font-weight: 700; font-size: 1.05rem; margin-bottom: .3rem; display: flex; align-items: center; gap: .5em; }
.tool-title i { color: var(--blue); }
.tool-sub  { color: var(--slate); font-size: .88rem; margin-bottom: 1.3rem; }
.tool-row  { display: flex; align-items: center; gap: .75rem; margin-bottom: .75rem; flex-wrap: wrap; }
.tool-row label { font-weight: 700; font-size: .82rem; color: var(--ink-soft); min-width: 100px; }
.tool-input, .tool-select {
    font-family: "Inter", sans-serif; font-size: .9rem; color: var(--ink);
    background: var(--blue-50); border: 1.5px solid var(--line);
    border-radius: 9px; padding: .55em .9em; flex: 1; min-width: 140px; outline: none;
    transition: border-color .15s;
}
.tool-input:focus, .tool-select:focus { border-color: var(--blue); background: #fff; }
.tool-btn {
    padding: .65em 1.4em; background: var(--blue); color: #fff;
    border: none; border-radius: 10px;
    font-family: "Plus Jakarta Sans", sans-serif; font-weight: 700; font-size: .88rem;
    cursor: pointer; transition: filter .15s, transform .15s; white-space: nowrap;
}
.tool-btn:hover { filter: brightness(1.07); transform: translateY(-1px); }
.tool-result {
    background: var(--blue-50); border: 1px solid var(--blue-100);
    border-radius: 11px; padding: .9rem 1rem; margin-top: .75rem;
    font-family: "Plus Jakarta Sans", sans-serif; font-size: .88rem;
    color: var(--ink-soft); line-height: 1.8; white-space: pre; overflow-x: auto; min-height: 56px;
}
.tools-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }
.tt-table-wrap { overflow-x: auto; margin-top: .75rem; }
.tt-table { width: 100%; border-collapse: collapse; font-size: .88rem; }
.tt-table th { background: var(--blue); color: #fff; padding: .55rem .9rem; text-align: center; font-weight: 700; font-size: .78rem; letter-spacing: .06em; text-transform: uppercase; }
.tt-table td { padding: .5rem .9rem; text-align: center; border-bottom: 1px solid var(--line); }
.tt-table tr:nth-child(even) td { background: var(--blue-50); }
.tt-val1 { color: var(--green); font-weight: 700; }
.tt-val0 { color: var(--slate); }
.tt-info { margin-top: .6rem; font-size: .82rem; color: var(--slate); }
.tracer-tabs { display: flex; border-bottom: 1px solid var(--line); margin-bottom: 1.2rem; overflow-x: auto; gap: .1rem; }
.tracer-tab {
    padding: .6rem 1rem; cursor: pointer; font-weight: 700; font-size: .82rem; color: var(--slate);
    border-bottom: 2.5px solid transparent; transition: color .15s, border-color .15s; white-space: nowrap;
    background: none; border-top: none; border-left: none; border-right: none;
}
.tracer-tab.active { color: var(--blue); border-color: var(--blue); }
.tracer-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.2rem; }
.tracer-code {
    background: var(--blue-50); border: 1px solid var(--blue-100); border-radius: 10px; padding: 1rem;
    font-family: "JetBrains Mono", "Courier New", monospace; font-size: .78rem;
    line-height: 1.9; color: var(--ink-soft); white-space: pre; overflow-x: auto;
}
.tracer-hl { color: var(--magenta); font-weight: 700; }
.trace-table-wrap { overflow-x: auto; }
.trace-table { width: 100%; border-collapse: collapse; font-size: .8rem; font-family: "JetBrains Mono", "Courier New", monospace; }
.trace-table th { background: var(--blue); color: #fff; padding: .45rem .7rem; text-align: center; font-size: .72rem; letter-spacing: .06em; text-transform: uppercase; }
.trace-table td { padding: .42rem .7rem; text-align: center; border-bottom: 1px solid var(--line); color: var(--ink-soft); transition: background .25s; }
.trace-table tr:nth-child(even) td { background: var(--blue-50); }
.trace-table td.trace-active { background: var(--magenta-tint); color: var(--magenta-700); font-weight: 700; }
.tracer-controls { display: flex; gap: .75rem; margin-top: 1rem; flex-wrap: wrap; align-items: center; }
.trace-status { font-size: .82rem; font-weight: 600; color: var(--slate); }
.fc-wrap { perspective: 1000px; max-width: 520px; margin: 0 auto 1.2rem; }
.flashcard { position: relative; height: 200px; cursor: pointer; transform-style: preserve-3d; transition: transform .5s cubic-bezier(.4,0,.2,1); }
.flashcard.flipped { transform: rotateY(180deg); }
.fc-face {
    position: absolute; inset: 0; border-radius: var(--radius);
    backface-visibility: hidden;
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    text-align: center; padding: 1.6rem;
}
.fc-front { background: var(--blue-50); border: 2px solid var(--blue-100); }
.fc-back  { background: #ecfdf5; border: 2px solid #a7f3d0; transform: rotateY(180deg); }
.fc-label { font-size: .68rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--slate); margin-bottom: .6rem; }
.fc-term  { font-family: "Plus Jakarta Sans", sans-serif; font-weight: 800; font-size: 1.3rem; color: var(--ink); }
.fc-def   { font-size: .88rem; color: var(--ink-soft); line-height: 1.55; }
.fc-hint  { font-size: .72rem; color: var(--slate); margin-top: .75rem; }
.fc-controls { display: flex; justify-content: center; gap: .75rem; flex-wrap: wrap; }
.fc-btn {
    padding: .6em 1.3em; background: var(--blue-50); border: 1.5px solid var(--line);
    border-radius: 10px; color: var(--ink-soft); cursor: pointer;
    font-family: "Plus Jakarta Sans", sans-serif; font-weight: 700; font-size: .88rem;
    transition: background .15s, color .15s, border-color .15s;
}
.fc-btn.know        { border-color: var(--green);   color: var(--green-700); }
.fc-btn.know:hover  { background: #ecfdf5; }
.fc-btn.dunno       { border-color: var(--magenta); color: var(--magenta-700); }
.fc-btn.dunno:hover { background: var(--magenta-tint); }
.fc-counter { text-align: center; font-size: .8rem; color: var(--slate); font-weight: 600; margin-top: .75rem; }
.lb-list { display: flex; flex-direction: column; gap: .75rem; max-width: 600px; margin: 0 auto; }
.lb-row {
    display: flex; align-items: center; gap: 1rem;
    background: #fff; border: 1px solid var(--line);
    border-radius: 13px; padding: .85rem 1.1rem; box-shadow: var(--shadow-sm);
}
.lb-row.you { border-color: var(--gold); background: #fffbeb; }
.lb-rank { font-family: "Plus Jakarta Sans", sans-serif; font-weight: 800; font-size: 1.1rem; min-width: 34px; color: var(--slate); }
.lb-rank.gold   { color: #d4a017; }
.lb-rank.silver { color: #9e9e9e; }
.lb-rank.bronze { color: #b87333; }
.lb-avatar { font-size: 1.4rem; }
.lb-name   { flex: 1; font-weight: 700; font-size: .95rem; }
.lb-bar-wrap { width: 80px; height: 6px; background: var(--blue-50); border-radius: 3px; overflow: hidden; }
.lb-bar { height: 100%; border-radius: 3px; background: linear-gradient(90deg, var(--blue), var(--magenta)); }
.lb-xp  { font-weight: 800; font-size: .88rem; color: var(--magenta); font-family: "Plus Jakarta Sans", sans-serif; white-space: nowrap; }
.progress-summary { display: flex; gap: 1rem; flex-wrap: wrap; justify-content: center; margin-bottom: 2.4rem; }
.prog-stat { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 1rem 1.4rem; text-align: center; box-shadow: var(--shadow-sm); min-width: 120px; }
.prog-stat .v { font-family: "Plus Jakarta Sans", sans-serif; font-weight: 800; font-size: 1.6rem; line-height: 1; }
.prog-stat .l { font-size: .75rem; font-weight: 700; color: var(--slate); text-transform: uppercase; letter-spacing: .1em; margin-top: .3rem; }

/* -- HUB RESPONSIVE ----------------------------------- */
@media (max-width: 820px) {
    .subj-hero-inner { grid-template-columns: 1fr; }
    .subj-xp-card    { display: none; }
    .skill-path::before { display: none; }
    .skill-row, .skill-row.right { flex-direction: column; align-items: flex-start; }
    .tools-grid { grid-template-columns: 1fr; }
}
@media (max-width: 620px) { .tracer-grid { grid-template-columns: 1fr; } }
@media (max-width: 560px) { .ref-grid { grid-template-columns: 1fr; } }

/* ============================================================
   NAV AVATAR PILL -- logged-in state
   ============================================================ */
.nav-avatar-pill {
    display: inline-flex; align-items: center; gap: .5em;
    background: var(--blue-50); border: 1px solid var(--blue-100);
    border-radius: 999px; padding: .35em .85em .35em .35em;
    text-decoration: none; transition: background .15s, border-color .15s;
    font-weight: 600; font-size: .88rem; color: var(--ink-soft);
}
.nav-avatar-pill:hover { background: var(--blue-100); border-color: var(--blue-300); }
.nav-avatar {
    width: 28px; height: 28px; border-radius: 50%; flex: none;
    background: var(--blue); color: #fff;
    display: grid; place-items: center;
    font-family: "Plus Jakarta Sans", sans-serif;
    font-weight: 700; font-size: .75rem;
    overflow: hidden;
}
.nav-avatar img { width: 100%; height: 100%; object-fit: cover; border-radius: 50%; }

/* AS subject card colour (gold) */
.subject-card.as   .sc-head { background: linear-gradient(135deg, var(--gold), #e8960a); }
.subject-card.as   .sc-bar i { background: var(--gold); }
.subject-card.as   .sc-cta { background: var(--gold); color: #fff; box-shadow: 0 8px 20px -8px rgba(255,179,31,.5); }

/* ============================================================
   WEEKLY LEADERBOARD
   ============================================================ */

.lb-reset-note {
    font-size: .78rem;
    color: var(--slate);
    font-weight: 500;
    margin-left: auto;
}

.leaderboard-list {
    display: flex;
    flex-direction: column;
    gap: .5rem;
    margin-bottom: 2.5rem;
}

.lb-row {
    display: flex;
    align-items: center;
    gap: .9rem;
    background: #fff;
    border: 1.5px solid var(--line);
    border-radius: 12px;
    padding: .75rem 1rem;
    transition: box-shadow .2s;
}

.lb-row:hover {
    box-shadow: 0 2px 12px rgba(20,60,140,.07);
}

.lb-row.lb-me {
    border-color: var(--magenta);
    background: var(--magenta-tint);
}

.lb-rank {
    font-size: 1.1rem;
    font-weight: 700;
    min-width: 2rem;
    text-align: center;
    color: var(--ink);
    font-family: var(--font-display);
}

.lb-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    overflow: hidden;
    flex-shrink: 0;
    background: var(--blue-100);
    display: flex;
    align-items: center;
    justify-content: center;
}

.lb-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.lb-initials {
    font-size: .75rem;
    font-weight: 700;
    color: var(--blue-700);
    font-family: var(--font-display);
}

.lb-name {
    flex: 1;
    font-size: .95rem;
    font-weight: 600;
    color: var(--ink);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.lb-you {
    font-size: .78rem;
    font-weight: 500;
    color: var(--magenta);
}

.lb-xp {
    font-size: .9rem;
    font-weight: 700;
    color: var(--magenta);
    white-space: nowrap;
    font-family: var(--font-display);
}

.lb-xp i {
    font-size: .8rem;
    margin-right: .2rem;
}

@media (max-width: 480px) {
    .lb-row { gap: .6rem; padding: .65rem .75rem; }
    .lb-avatar { width: 30px; height: 30px; }
    .lb-name { font-size: .85rem; }
    .lb-xp { font-size: .82rem; }
}

/* ============================================================
   BADGES
   ============================================================ */

.badge-shelf {
    display: flex;
    flex-wrap: wrap;
    gap: .75rem;
    margin-bottom: 2.5rem;
}

.badge-pill {
    display: flex;
    align-items: center;
    gap: .55rem;
    padding: .55rem .9rem;
    border-radius: 50px;
    border: 1.5px solid var(--line);
    cursor: default;
    transition: box-shadow .2s, transform .2s;
    background: #fff;
}

.badge-pill.earned {
    border-color: var(--gold);
    background: #fffbf0;
    box-shadow: 0 2px 8px rgba(255,179,31,.18);
}

.badge-pill.earned:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 14px rgba(255,179,31,.28);
}

.badge-pill.locked {
    opacity: .45;
    filter: grayscale(1);
}

.bp-icon {
    font-size: 1rem;
    color: var(--gold);
    line-height: 1;
}

.badge-pill.locked .bp-icon {
    color: var(--slate);
}

.bp-label {
    font-size: .82rem;
    font-weight: 700;
    color: var(--ink);
    font-family: var(--font-display);
    white-space: nowrap;
}

/* Badge toast notification */
.badge-toast {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    display: flex;
    align-items: center;
    gap: .9rem;
    background: var(--ink);
    color: #fff;
    border-radius: 14px;
    padding: 1rem 1.25rem;
    box-shadow: 0 8px 32px rgba(14,21,48,.3);
    z-index: 9999;
    max-width: 300px;
    opacity: 0;
    transform: translateY(16px);
    transition: opacity .4s, transform .4s;
    pointer-events: none;
}

.badge-toast.in {
    opacity: 1;
    transform: translateY(0);
}

.bt-icon {
    font-size: 1.6rem;
    color: var(--gold);
    flex-shrink: 0;
    line-height: 1;
}

.bt-title {
    font-size: .72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .06em;
    color: var(--gold);
    margin-bottom: .15rem;
}

.bt-name {
    font-size: 1rem;
    font-weight: 800;
    font-family: var(--font-display);
    line-height: 1.2;
}

.bt-desc {
    font-size: .78rem;
    opacity: .75;
    margin-top: .2rem;
}

@media (max-width: 480px) {
    .badge-toast { right: 1rem; left: 1rem; max-width: none; }
    .badge-shelf { gap: .5rem; }
    .badge-pill { padding: .45rem .75rem; }
    .bp-label { font-size: .78rem; }
}

/* ============================================================
   TRUTH TABLE (Unit 1 tool)
   ============================================================ */

.tt-table {
    width: 100%;
    border-collapse: collapse;
    font-family: var(--font-body);
    font-size: .85rem;
    margin-top: .5rem;
}

.tt-table th {
    background: var(--blue-50);
    color: var(--ink);
    font-weight: 700;
    padding: .45rem .7rem;
    border: 1px solid var(--line);
    text-align: center;
}

.tt-table td {
    padding: .4rem .7rem;
    border: 1px solid var(--line);
    text-align: center;
    color: var(--ink);
}

.tt-table td.tt-one {
    color: var(--green);
    font-weight: 700;
}

.tt-table td.tt-zero {
    color: var(--slate);
}

.tt-table tr:nth-child(even) td {
    background: var(--blue-50);
}

/* ============================================================
   ERD TABS (Unit 2 tool)
   ============================================================ */

.erd-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: .4rem;
    margin-bottom: .75rem;
}

.erd-tab {
    padding: .35rem .8rem;
    border-radius: 6px;
    border: 1.5px solid var(--line);
    background: #fff;
    color: var(--slate);
    font-size: .8rem;
    font-weight: 700;
    cursor: pointer;
    font-family: var(--font-body);
    transition: background .15s, color .15s, border-color .15s;
}

.erd-tab.active,
.erd-tab:hover {
    background: var(--blue);
    color: #fff;
    border-color: var(--blue);
}

/* ============================================================
   COOKIE CONSENT BANNER
   ============================================================ */

.cookie-banner {
    position: fixed;
    bottom: 1.25rem;
    left: 50%;
    transform: translateX(-50%);
    width: calc(100% - 2.5rem);
    max-width: 680px;
    background: var(--ink);
    color: #fff;
    border-radius: 14px;
    padding: 1.1rem 1.4rem;
    box-shadow: 0 8px 40px rgba(14,21,48,.35);
    z-index: 9000;
    animation: cookieSlideUp .4s ease;
}

@keyframes cookieSlideUp {
    from { opacity: 0; transform: translateX(-50%) translateY(16px); }
    to   { opacity: 1; transform: translateX(-50%) translateY(0); }
}

.cookie-banner-inner {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    flex-wrap: wrap;
}

.cookie-banner p {
    flex: 1;
    font-size: .85rem;
    line-height: 1.55;
    color: rgba(255,255,255,.85);
    margin: 0;
    min-width: 200px;
}

.cookie-banner-btns {
    display: flex;
    gap: .6rem;
    flex-shrink: 0;
}

.cookie-btn {
    padding: .5rem 1.1rem;
    border-radius: 8px;
    font-size: .82rem;
    font-weight: 700;
    cursor: pointer;
    border: 1.5px solid transparent;
    font-family: var(--font-body);
    transition: opacity .15s;
    white-space: nowrap;
}

.cookie-btn:hover { opacity: .85; }

.cookie-btn.accept {
    background: var(--magenta);
    color: #fff;
    border-color: var(--magenta);
}

.cookie-btn.decline {
    background: transparent;
    color: rgba(255,255,255,.7);
    border-color: rgba(255,255,255,.25);
}

@media (max-width: 480px) {
    .cookie-banner { padding: 1rem; }
    .cookie-banner-inner { flex-direction: column; align-items: flex-start; gap: .75rem; }
    .cookie-banner-btns { width: 100%; }
    .cookie-btn { flex: 1; text-align: center; }
}

/* ============================================================
   SUBJECTS PAGE -- subjects.php
   ============================================================ */

/* -- SUBJECT SECTION HEADER --------------------------- */
.subj-section-hd {
    margin-bottom: 2.2rem;
}
.subj-section-left {
    display: flex;
    align-items: flex-start;
    gap: 1.4rem;
}
.subj-section-left h2 {
    font-size: clamp(1.5rem, 2.8vw, 2rem);
    font-weight: 800;
    margin-bottom: .4rem;
    line-height: 1.15;
}
.subj-section-left p {
    color: var(--slate);
    font-size: .97rem;
    max-width: 56ch;
    line-height: 1.65;
}

/* -- SUBJECT ICON WRAP -------------------------------- */
.subj-icon-wrap {
    flex: none;
    width: 56px; height: 56px;
    border-radius: 16px;
    display: grid; place-items: center;
    font-size: 1.5rem; color: #fff;
    margin-top: .15rem;
}
.subj-icon-wrap.cs   { background: linear-gradient(135deg, var(--blue), var(--blue-600)); }
.subj-icon-wrap.btec { background: linear-gradient(135deg, var(--magenta), #ff3d88); }
.subj-icon-wrap.acc  { background: linear-gradient(135deg, var(--green), #13b87d); }

/* -- BOARD TAG ---------------------------------------- */
.subj-board-tag {
    display: inline-block;
    font-size: .7rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase;
    padding: .28em .85em; border-radius: 999px; margin-bottom: .55rem;
    background: var(--blue-50); color: var(--blue); border: 1px solid var(--blue-100);
}
.subj-board-tag.btec { background: var(--magenta-tint); color: var(--magenta); border-color: rgba(220,0,100,.2); }
.subj-board-tag.acc  { background: #ecfdf5; color: var(--green); border-color: rgba(15,157,107,.2); }

/* -- UNITS GRID --------------------------------------- */
.subj-units-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.3rem;
}

/* -- UNIT CARD ---------------------------------------- */
.unit-card {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    overflow: hidden;
    display: flex; flex-direction: column;
    box-shadow: var(--shadow-sm);
    transition: transform .22s var(--ease), box-shadow .22s;
    text-decoration: none; color: inherit;
}
.unit-card.live:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow);
}
.unit-card.coming {
    opacity: .6;
    cursor: default;
}

/* Card head strip */
.unit-card-head {
    display: flex; align-items: center; justify-content: space-between;
    padding: .85rem 1.3rem;
    color: #fff;
}
.unit-card-head.cs   { background: linear-gradient(135deg, var(--blue), var(--blue-600)); }
.unit-card-head.btec { background: linear-gradient(135deg, var(--magenta), #ff3d88); }
.unit-card-head.acc  { background: linear-gradient(135deg, var(--green), #13b87d); }
.unit-card-head.muted { filter: saturate(.45) brightness(1.05); }

.unit-label {
    font-family: "Plus Jakarta Sans", sans-serif;
    font-weight: 800; font-size: .82rem; letter-spacing: .08em; text-transform: uppercase;
}

/* Badges on card head */
.unit-badge {
    display: inline-flex; align-items: center; gap: .35em;
    font-size: .7rem; font-weight: 700;
    padding: .25em .75em; border-radius: 999px;
    border: 1px solid rgba(255,255,255,.35);
    background: rgba(255,255,255,.2);
}
.unit-badge.live-badge   { background: rgba(255,255,255,.25); }
.unit-badge.coming-badge { background: rgba(0,0,0,.15); }

/* Card body */
.unit-card-body {
    padding: 1.3rem 1.4rem 1.4rem;
    flex: 1; display: flex; flex-direction: column; gap: .85rem;
}
.unit-card-body h3 {
    font-family: "Plus Jakarta Sans", sans-serif;
    font-weight: 700; font-size: 1rem; line-height: 1.25;
    color: var(--ink); margin: 0;
}

/* Meta row */
.unit-meta {
    display: flex; gap: 1rem; flex-wrap: wrap;
}
.unit-meta span {
    display: inline-flex; align-items: center; gap: .35em;
    font-size: .82rem; font-weight: 600; color: var(--slate);
}

/* Topic tags */
.unit-tags {
    display: flex; flex-wrap: wrap; gap: .4rem;
}
.unit-tag {
    font-size: .7rem; font-weight: 700;
    padding: .28em .7em; border-radius: 7px;
    background: var(--blue-50); color: var(--ink-soft);
    border: 1px solid var(--line);
}

/* Progress bar (logged-in only) */
.unit-progress { margin-top: auto; }
.unit-prog-row {
    display: flex; justify-content: space-between;
    font-size: .75rem; font-weight: 700; color: var(--slate);
    margin-bottom: .35rem;
}
.unit-prog-bar {
    height: 7px; border-radius: 999px;
    background: var(--blue-50); overflow: hidden;
    border: 1px solid var(--blue-100);
}
.unit-prog-bar i {
    display: block; height: 100%; width: 0; border-radius: 999px;
    transition: width 1.4s var(--ease);
}
.unit-prog-bar i.cs-bar   { background: linear-gradient(90deg, var(--blue), var(--magenta)); }
.unit-prog-bar i.btec-bar { background: linear-gradient(90deg, var(--magenta), #ff5fa8); }
.unit-prog-bar i.acc-bar  { background: linear-gradient(90deg, var(--green), #2dd4a2); }

/* CTA row at card bottom */
.unit-cta {
    display: inline-flex; align-items: center; gap: .45em;
    margin-top: auto; padding: .65em 1.2em;
    background: var(--blue-50); border: 1.5px solid var(--blue-100);
    border-radius: 11px; color: var(--blue);
    font-family: "Plus Jakarta Sans", sans-serif;
    font-weight: 700; font-size: .88rem;
    transition: background .15s, color .15s, transform .15s;
}
.unit-card.live:hover .unit-cta {
    background: var(--blue); color: #fff; transform: none;
}
.unit-coming-pill {
    display: inline-flex; align-items: center; gap: .4em;
    background: var(--blue-50); border: 1px solid var(--line);
    color: var(--slate); border-radius: 999px;
    padding: .45em 1em; font-size: .82rem; font-weight: 700;
    width: 100%; justify-content: center; margin-top: auto;
}

/* -- RESPONSIVE --------------------------------------- */
@media (max-width: 980px) {
    .subj-units-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 620px) {
    .subj-units-grid { grid-template-columns: 1fr; }
    .subj-section-left { flex-direction: column; gap: .9rem; }
    .subj-icon-wrap { width: 48px; height: 48px; font-size: 1.25rem; }
}

/* ============================================================
   HOW IT WORKS PAGE -- how-it-works.php
   ============================================================ */

/* -- THREE STEPS ---------------------------------------- */
.hiw-steps {
    display: grid;
    grid-template-columns: 1fr auto 1fr auto 1fr;
    gap: 0;
    align-items: start;
}
.hiw-step {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    padding: 2rem;
    box-shadow: var(--shadow-sm);
    position: relative;
    overflow: hidden;
}
.hiw-step::before {
    content: "";
    position: absolute; top: 0; left: 0; right: 0; height: 4px;
    background: linear-gradient(90deg, var(--blue), var(--magenta));
}
.hiw-step-num {
    position: absolute; top: 1.4rem; right: 1.5rem;
    width: 30px; height: 30px; border-radius: 50%;
    background: var(--blue); color: #fff;
    font-family: "Plus Jakarta Sans", sans-serif;
    font-weight: 800; font-size: .88rem;
    display: grid; place-items: center;
}
.hiw-step-icon {
    width: 54px; height: 54px; border-radius: 14px;
    display: grid; place-items: center;
    font-size: 1.4rem; margin-bottom: 1.1rem;
}
.hiw-step-body h3 {
    font-size: 1.12rem; font-weight: 700;
    margin-bottom: .5rem; color: var(--ink);
}
.hiw-step-body p { color: var(--slate); line-height: 1.65; font-size: .95rem; }
.hiw-step-connector {
    display: flex; align-items: center; justify-content: center;
    padding: 0 1.2rem; color: var(--slate); font-size: 1.2rem;
    padding-top: 3.5rem;
}

/* -- FEATURE ROWS --------------------------------------- */
.hiw-feature-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}
.hiw-feature-row.reverse { direction: rtl; }
.hiw-feature-row.reverse > * { direction: ltr; }

.hiw-feature-copy h2 {
    font-size: clamp(1.55rem, 2.8vw, 2.1rem);
    font-weight: 800; margin: .6rem 0 1rem; line-height: 1.15;
}
.hiw-feature-copy p {
    color: var(--slate); line-height: 1.7; font-size: .97rem;
    margin-bottom: .9rem;
}
.hiw-feature-visual {
    display: flex; align-items: center; justify-content: center;
}

/* -- SKILL PATH DEMO ------------------------------------ */
.hiw-path-demo {
    display: flex; flex-direction: column; align-items: flex-start;
    gap: 0; background: #fff; border: 1px solid var(--line);
    border-radius: var(--radius-lg); padding: 2rem 2.2rem;
    box-shadow: var(--shadow); width: 100%; max-width: 320px;
}
.hiw-path-line {
    width: 3px; height: 28px;
    background: var(--line); margin-left: 22px;
}
.hiw-path-line.muted { background: var(--blue-50); }
.hiw-node {
    display: flex; align-items: center; gap: 1rem;
    font-weight: 700; font-size: .9rem;
}
.hiw-node .fa-check,
.hiw-node .fa-star,
.hiw-node .fa-lock {
    width: 46px; height: 46px; border-radius: 50%;
    display: grid; place-items: center;
    flex: none; font-size: 1rem;
}
.hiw-node.done   .fa-check { background: var(--green);   color: #fff; box-shadow: 0 5px 0 #0e7344; }
.hiw-node.active .fa-star  { background: var(--magenta); color: #fff; box-shadow: 0 5px 0 #8a0a48; animation: nodeGlow 2s ease-in-out infinite; }
.hiw-node.locked .fa-lock  { background: #e4eaf8; color: #8e99c4; box-shadow: 0 5px 0 #c6ceea; }
.hiw-node.done   span { color: var(--green); }
.hiw-node.active span { color: var(--magenta); font-weight: 800; }
.hiw-node.locked span { color: var(--slate); opacity: .7; }

/* -- PILL ROW ------------------------------------------ */
.hiw-pill-row { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: 1.2rem; }
.hiw-pill {
    display: inline-flex; align-items: center; gap: .4em;
    font-size: .78rem; font-weight: 700;
    padding: .35em .85em; border-radius: 999px; border: 1px solid;
}
.hiw-pill.green { background: #ecfdf5; color: var(--green); border-color: rgba(15,157,107,.25); }
.hiw-pill.blue  { background: var(--blue-50); color: var(--blue); border-color: var(--blue-100); }
.hiw-pill.slate { background: var(--blue-50); color: var(--slate); border-color: var(--line); }

/* -- XP DEMO ------------------------------------------- */
.hiw-xp-demo {
    margin-top: 1.5rem;
    background: #fff; border: 1px solid var(--line);
    border-radius: var(--radius); padding: 1.1rem 1.3rem;
    box-shadow: var(--shadow-sm);
}
.hiw-xp-row {
    display: flex; justify-content: space-between; align-items: baseline;
    font-weight: 700; margin-bottom: .5rem;
}
.hiw-xp-level { color: var(--blue); font-family: "Plus Jakarta Sans", sans-serif; font-size: .95rem; }
.hiw-xp-val   { color: var(--magenta); font-family: "Plus Jakarta Sans", sans-serif; font-size: .95rem; }
.hiw-xp-track {
    height: 12px; border-radius: 999px;
    background: var(--blue-50); overflow: hidden;
    border: 1px solid var(--blue-100);
}
.hiw-xp-fill {
    height: 100%; width: 0; border-radius: 999px;
    background: linear-gradient(90deg, var(--blue), var(--magenta));
    transition: width 1.6s cubic-bezier(.16,1,.3,1);
}

/* -- XP EVENT CARD ------------------------------------- */
.hiw-xp-card-demo {
    background: #fff; border: 1px solid var(--line);
    border-radius: var(--radius-lg); overflow: hidden;
    box-shadow: var(--shadow); width: 100%; max-width: 300px;
    padding: 1.2rem;
    display: flex; flex-direction: column; gap: .6rem;
}
.hiw-xp-event {
    display: flex; align-items: center; gap: .75rem;
    font-size: .9rem; font-weight: 600; color: var(--ink);
}
.hiw-xp-event.dim    { opacity: .45; }
.hiw-xp-event.bonus  { color: var(--green); font-weight: 700; }
.hiw-xp-badge {
    display: inline-flex; align-items: center;
    background: var(--magenta-tint); color: var(--magenta);
    border: 1px solid rgba(220,0,100,.2);
    font-family: "Plus Jakarta Sans", sans-serif;
    font-weight: 800; font-size: .82rem;
    padding: .25em .7em; border-radius: 8px; white-space: nowrap;
}
.hiw-xp-badge.dim  { background: var(--blue-50); color: var(--slate); border-color: var(--line); }
.hiw-xp-badge.gold { background: #fff5e6; color: #b07d00; border-color: rgba(255,179,31,.3); }

/* -- HEARTS -------------------------------------------- */
.hiw-hearts-row { display: flex; align-items: center; gap: .4rem; margin-top: 1.3rem; flex-wrap: wrap; }
.hiw-heart { font-size: 1.5rem; }
.hiw-heart.full  { color: #ff4d6d; }
.hiw-heart.empty { color: var(--line); }
.hiw-hearts-visual {
    background: linear-gradient(135deg, #ff4d6d, #ff85a1);
    border-radius: var(--radius-lg); padding: 2.5rem 3rem;
    text-align: center; color: #fff; box-shadow: var(--shadow);
    width: 100%; max-width: 240px;
}
.hiw-hearts-icon  { font-size: 2.8rem; margin-bottom: .6rem; }
.hiw-hearts-stat  { font-family: "Plus Jakarta Sans", sans-serif; font-weight: 800; font-size: 3.5rem; line-height: 1; }
.hiw-hearts-label { font-weight: 700; font-size: 1rem; opacity: .9; margin-top: .3rem; }
.hiw-hearts-regen { font-size: .82rem; opacity: .75; margin-top: .3rem; }

/* -- STREAKS ------------------------------------------- */
.hiw-streak-row {
    display: flex; gap: .5rem; margin-top: 1.3rem; flex-wrap: wrap;
}
.hiw-streak-day {
    display: flex; flex-direction: column; align-items: center; gap: .3rem;
    width: 44px;
}
.hiw-streak-day i, .hiw-streak-day .hiw-sicon {
    width: 44px; height: 44px; border-radius: 12px;
    display: grid; place-items: center; font-size: 1.1rem;
}
.hiw-streak-day span { font-size: .72rem; font-weight: 700; color: var(--slate); }
.hiw-streak-day.done   i { background: var(--green);   color: #fff; }
.hiw-streak-day.today  i { background: var(--gold);    color: #fff; box-shadow: 0 0 0 3px rgba(255,179,31,.3); }
.hiw-streak-day.future   { opacity: .35; }
.hiw-streak-day.future::before {
    content: "";
    width: 44px; height: 44px; border-radius: 12px;
    background: var(--blue-50); border: 1.5px dashed var(--line);
    display: block;
}
.hiw-streak-visual {
    background: linear-gradient(135deg, var(--gold), #ffd566);
    border-radius: var(--radius-lg); padding: 2.5rem 3rem;
    text-align: center; color: #fff; box-shadow: var(--shadow);
    width: 100%; max-width: 240px;
}
.hiw-streak-icon { font-size: 2.8rem; margin-bottom: .6rem; }
.hiw-streak-stat { font-family: "Plus Jakarta Sans", sans-serif; font-weight: 800; font-size: 3.5rem; line-height: 1; }
.hiw-streak-label { font-weight: 700; font-size: 1rem; opacity: .9; margin-top: .3rem; }
.hiw-streak-sub   { font-size: .82rem; opacity: .75; margin-top: .3rem; }

/* -- LEADERBOARD DEMO ---------------------------------- */
.hiw-lb-demo {
    background: #fff; border: 1px solid var(--line);
    border-radius: var(--radius-lg); overflow: hidden;
    box-shadow: var(--shadow); width: 100%; max-width: 340px;
}
.hiw-lb-row {
    display: flex; align-items: center; gap: .9rem;
    padding: .75rem 1.2rem;
    border-bottom: 1px solid var(--line);
    font-size: .9rem; font-weight: 600;
}
.hiw-lb-row:last-child { border-bottom: none; }
.hiw-lb-row.top1 { background: #fffbeb; }
.hiw-lb-row.top2 { background: #f8f9ff; }
.hiw-lb-row.top3 { background: #fdf4ee; }
.hiw-lb-row.you  { background: var(--magenta-tint); color: var(--magenta); font-weight: 800; }
.hiw-lb-pos  { width: 24px; text-align: center; font-family: "Plus Jakarta Sans", sans-serif; font-weight: 800; font-size: 1rem; }
.hiw-lb-name { flex: 1; }
.hiw-lb-xp   { font-family: "Plus Jakarta Sans", sans-serif; font-weight: 800; font-size: .85rem; color: var(--magenta); }
.hiw-lb-row.top1 .hiw-lb-xp,
.hiw-lb-row.top2 .hiw-lb-xp,
.hiw-lb-row.top3 .hiw-lb-xp { color: var(--blue); }
.hiw-lb-row.you .hiw-lb-xp  { color: var(--magenta); }

/* -- BADGES GRID --------------------------------------- */
.hiw-badges-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 1.3rem;
}
.hiw-badge-card {
    background: #fff; border: 1px solid var(--line);
    border-radius: var(--radius-lg); padding: 1.5rem 1.3rem;
    box-shadow: var(--shadow-sm); text-align: center;
    display: flex; flex-direction: column; align-items: center; gap: .7rem;
}
.hiw-badge-icon {
    width: 54px; height: 54px; border-radius: 16px;
    display: grid; place-items: center; font-size: 1.4rem;
}
.hiw-badge-card h3 { font-size: .95rem; font-weight: 700; margin: 0; }
.hiw-badge-card p  { font-size: .82rem; color: var(--slate); line-height: 1.55; margin: 0; }
.hiw-badge-trigger {
    font-size: .7rem; font-weight: 700; text-transform: uppercase;
    letter-spacing: .08em; color: var(--blue);
    background: var(--blue-50); border: 1px solid var(--blue-100);
    padding: .3em .75em; border-radius: 999px; margin-top: auto;
}

/* -- QUIZ FEATURES ------------------------------------- */
.hiw-quiz-features {
    display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.3rem;
}
.hiw-qf {
    background: #fff; border: 1px solid var(--line);
    border-radius: var(--radius-lg); padding: 1.6rem 1.4rem;
    box-shadow: var(--shadow-sm);
}
.hiw-qf-icon {
    width: 50px; height: 50px; border-radius: 14px;
    display: grid; place-items: center;
    font-size: 1.3rem; margin-bottom: 1rem;
}
.hiw-qf h3 { font-size: .97rem; font-weight: 700; margin-bottom: .4rem; }
.hiw-qf p  { font-size: .85rem; color: var(--slate); line-height: 1.6; }

/* -- RESPONSIVE ---------------------------------------- */
@media (max-width: 1100px) {
    .hiw-badges-grid     { grid-template-columns: repeat(3, 1fr); }
    .hiw-quiz-features   { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 980px) {
    .hiw-steps           { grid-template-columns: 1fr; gap: 1.3rem; }
    .hiw-step-connector  { display: none; }
    .hiw-feature-row,
    .hiw-feature-row.reverse { grid-template-columns: 1fr; direction: ltr; gap: 2.4rem; }
    .hiw-feature-visual  { justify-content: flex-start; }
    .hiw-badges-grid     { grid-template-columns: repeat(2, 1fr); }
    .hiw-quiz-features   { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 620px) {
    .hiw-badges-grid     { grid-template-columns: 1fr 1fr; }
    .hiw-quiz-features   { grid-template-columns: 1fr; }
    .hiw-lb-demo         { max-width: 100%; }
    .hiw-streak-visual,
    .hiw-hearts-visual   { max-width: 100%; width: 100%; padding: 2rem; }
    .hiw-path-demo       { max-width: 100%; }
}

/* ============================================================
   PRICING PAGE -- pricing.php
   ============================================================ */

/* -- BILLING TOGGLE ------------------------------------ */
.pricing-toggle-bar {
    background: var(--blue-50);
    border-bottom: 1px solid var(--line);
    padding: 1.2rem 0;
}
.pricing-toggle-inner {
    display: flex; align-items: center; justify-content: center;
    gap: 1rem;
}
.ptog-label {
    font-weight: 700; font-size: .95rem; color: var(--ink);
    display: flex; align-items: center; gap: .5rem;
}
.ptog-save {
    display: inline-block;
    background: #ecfdf5; color: var(--green);
    border: 1px solid rgba(15,157,107,.2);
    font-size: .72rem; font-weight: 700;
    padding: .2em .65em; border-radius: 999px;
}
.ptog-switch {
    position: relative; display: inline-block;
    width: 48px; height: 26px; cursor: pointer;
}
.ptog-switch input { opacity: 0; width: 0; height: 0; }
.ptog-track {
    position: absolute; inset: 0;
    background: var(--line); border-radius: 999px;
    transition: background .2s;
}
.ptog-track::before {
    content: "";
    position: absolute; width: 20px; height: 20px;
    border-radius: 50%; background: #fff;
    top: 3px; left: 3px;
    box-shadow: var(--shadow-sm);
    transition: transform .2s;
}
.ptog-switch input:checked + .ptog-track { background: var(--blue); }
.ptog-switch input:checked + .ptog-track::before { transform: translateX(22px); }

/* -- PRICING GRID -------------------------------------- */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.3rem;
    align-items: start;
}

/* -- PRICING CARD -------------------------------------- */
.pricing-card {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    overflow: visible;
    box-shadow: var(--shadow-sm);
    display: flex; flex-direction: column;
    position: relative;
    padding: 1.8rem 1.6rem 2rem;
}
.pricing-card.popular {
    border-color: var(--magenta);
    box-shadow: 0 0 0 3px rgba(220,0,100,.12), var(--shadow);
}
.popular-badge {
    position: absolute; top: -13px; left: 50%; transform: translateX(-50%);
    background: var(--magenta); color: #fff;
    font-family: "Plus Jakarta Sans", sans-serif;
    font-weight: 800; font-size: .72rem; letter-spacing: .06em; text-transform: uppercase;
    padding: .3em 1em; border-radius: 999px;
    white-space: nowrap;
}

/* Card head */
.pricing-card-head { margin-bottom: 1.4rem; }
.plan-icon {
    width: 50px; height: 50px; border-radius: 14px;
    display: grid; place-items: center;
    font-size: 1.3rem; margin-bottom: 1rem;
}
.plan-name {
    font-size: 1.3rem; font-weight: 800;
    margin-bottom: .35rem; color: var(--ink);
}
.plan-desc {
    font-size: .87rem; color: var(--slate);
    line-height: 1.6; margin: 0;
}

/* Price display */
.pricing-card-price {
    margin-bottom: 1.4rem;
    min-height: 56px;
    display: flex; flex-direction: column; justify-content: flex-end;
}
.price-amount {
    font-family: "Plus Jakarta Sans", sans-serif;
    font-weight: 800; font-size: 2.2rem;
    color: var(--ink); line-height: 1;
}
.college-price { font-size: 1.7rem; }
.price-period {
    font-size: .85rem; font-weight: 600; color: var(--slate);
    margin-left: .2rem;
}
.saving-pill {
    display: inline-flex; align-items: center; gap: .35em;
    background: #ecfdf5; color: var(--green);
    border: 1px solid rgba(15,157,107,.2);
    font-size: .72rem; font-weight: 700;
    padding: .28em .7em; border-radius: 999px;
    margin-top: .5rem; width: fit-content;
}

/* CTA area */
.pricing-card-cta { margin-bottom: 1.6rem; }
.pricing-btn {
    display: flex; align-items: center; justify-content: center;
    gap: .5em; width: 100%; padding: .8em 1.2em;
    font-size: .95rem;
}
.coming-soon-btn {
    display: flex; align-items: center; justify-content: center; gap: .5em;
    width: 100%; padding: .8em 1.2em;
    background: var(--blue-50); border: 1.5px solid var(--line);
    border-radius: 12px; color: var(--slate);
    font-family: "Plus Jakarta Sans", sans-serif;
    font-weight: 700; font-size: .92rem;
}
.coming-soon-btn.green {
    background: #ecfdf5; border-color: rgba(15,157,107,.2); color: var(--green);
}
.coming-soon-note {
    font-size: .78rem; color: var(--slate); font-weight: 500;
    margin-top: .6rem; line-height: 1.5; text-align: center;
}

/* Feature list */
.pricing-features {
    list-style: none; padding: 0; margin: 0;
    border-top: 1px solid var(--line);
    padding-top: 1.4rem;
    display: flex; flex-direction: column; gap: .6rem;
}
.pricing-features li {
    display: flex; align-items: flex-start; gap: .6rem;
    font-size: .87rem; font-weight: 500; line-height: 1.45;
}
.pricing-features li i { margin-top: .1rem; flex: none; font-size: .8rem; }
.feat-yes i { color: var(--green); }
.feat-no    { color: var(--slate); opacity: .55; }
.feat-no  i { color: var(--slate); }

/* -- COMPARISON TABLE ---------------------------------- */
.compare-wrap { overflow-x: auto; }
.compare-table {
    width: 100%; border-collapse: collapse;
    font-size: .9rem;
}
.compare-table th,
.compare-table td {
    padding: .85rem 1rem;
    border-bottom: 1px solid var(--line);
    text-align: center;
    vertical-align: middle;
}
.compare-table th {
    font-family: "Plus Jakarta Sans", sans-serif;
    font-weight: 800; font-size: .85rem;
    background: #fff; position: sticky; top: 0;
    border-bottom: 2px solid var(--line);
}
.compare-feature-col {
    text-align: left !important;
    width: 36%;
}
.compare-table td:first-child { text-align: left; font-weight: 600; color: var(--ink); }
.col-plus    { color: var(--magenta); }
.col-pro     { color: #6b4fd6; }
.col-college { color: var(--green); }
.compare-group td {
    background: var(--blue-50);
    font-family: "Plus Jakarta Sans", sans-serif;
    font-weight: 800; font-size: .75rem; text-transform: uppercase;
    letter-spacing: .1em; color: var(--slate);
    text-align: left !important;
    padding: .6rem 1rem;
    border-top: 1px solid var(--line);
}
.compare-yes { color: var(--green); font-size: 1rem; }
.compare-no  { color: var(--line);  font-size: 1rem; }
.compare-table tr:hover td { background: var(--blue-50); }
.compare-table tr:hover .compare-group { background: var(--blue-50); }

/* -- FAQ ----------------------------------------------- */
.faq-list {
    max-width: 760px; margin: 0 auto;
    display: flex; flex-direction: column; gap: 0;
}
.faq-item {
    border-bottom: 1px solid var(--line);
}
.faq-item:first-child { border-top: 1px solid var(--line); }
.faq-q {
    width: 100%; background: none; border: none; cursor: pointer;
    display: flex; align-items: center; justify-content: space-between;
    gap: 1rem; padding: 1.2rem 0;
    font-family: "Plus Jakarta Sans", sans-serif;
    font-weight: 700; font-size: 1rem; color: var(--ink);
    text-align: left;
}
.faq-q i {
    flex: none; color: var(--slate); font-size: .85rem;
    transition: transform .25s var(--ease);
}
.faq-q[aria-expanded="true"] i { transform: rotate(180deg); }
.faq-a {
    max-height: 0; overflow: hidden;
    transition: max-height .35s var(--ease), padding .25s;
}
.faq-a.open { max-height: 400px; padding-bottom: 1.1rem; }
.faq-a p {
    color: var(--slate); line-height: 1.7;
    font-size: .95rem; margin: 0;
}

/* -- RESPONSIVE ---------------------------------------- */
@media (max-width: 1100px) {
    .pricing-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 620px) {
    .pricing-grid { grid-template-columns: 1fr; }
    .pricing-card.popular { margin-top: 1rem; }
}