@import url('https://fonts.googleapis.com/css2?family=Source+Serif+4:ital,opsz,wght@0,8..60,400;0,8..60,500;0,8..60,600;0,8..60,700;1,8..60,400&family=Plus+Jakarta+Sans:wght@500;600;700;800&family=IBM+Plex+Sans:wght@400;500;600;700&family=IBM+Plex+Mono:wght@500&display=swap');

:root{
  --paper: #f5f6f8;
  --paper-raised: #ffffff;
  --ink: #16181d;
  --ink-soft: #52565f;
  --ink-faint: #868b96;
  --rule: #e2e8f0;
  --rule-strong: #cbd5e1;
  --maroon: #1e3a5f;
  --maroon-dark: #14293f;
  --navy: #4b5768;
  --good: #16a34a;
  --good-bg: #eafbf0;
  --bad: #dc2626;
  --bad-bg: #feebeb;
  --amber: #d97706;
  --amber-bg: #fef3e2;
  --shadow: 0 1px 2px rgba(22,24,29,.06), 0 6px 20px -10px rgba(22,24,29,.18);
  --serif: 'Source Serif 4', Georgia, 'Times New Roman', serif;
  --display: 'Plus Jakarta Sans', var(--sans);
  --sans: 'IBM Plex Sans', -apple-system, Segoe UI, Helvetica, Arial, sans-serif;
  --mono: 'IBM Plex Mono', ui-monospace, monospace;
}

*{box-sizing:border-box;}
html,body{margin:0;padding:0;}
body{
  background:var(--paper-raised);
  background-image:
    radial-gradient(ellipse at top left, rgba(30,58,95,.05), transparent 55%),
    radial-gradient(ellipse at bottom right, rgba(75,87,104,.035), transparent 55%);
  color:var(--ink);
  font-family:var(--sans);
  font-size:15.5px;
  line-height:1.5;
  -webkit-font-smoothing:antialiased;
  min-height:100vh;
}

a{color:inherit;}
button{font-family:inherit;}

/* ---------- Shell / letterhead ---------- */
.site-header{
  border-bottom:1px solid var(--rule-strong);
  background:var(--paper-raised);
  position:sticky;
  top:0;
  z-index:20;
}
.site-header-inner{
  max-width:960px;
  margin:0 auto;
  padding:18px 28px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
}
.header-right{
  display:flex;
  align-items:center;
  gap:18px;
}
.brand{
  display:flex;
  align-items:baseline;
  gap:10px;
  cursor:pointer;
  text-decoration:none;
}
.brand-mark{
  font-family:var(--display);
  font-weight:700;
  font-size:22px;
  letter-spacing:.01em;
  color:var(--maroon);
  display:inline-flex;
  align-items:center;
  gap:.36em;
}
.brand-mark::before{
  content:"";
  display:block;
  width:1.1em;
  height:1.1em;
  flex-shrink:0;
  background-image:url('../assets/favicon.svg');
  background-size:contain;
  background-repeat:no-repeat;
  border-radius:.27em;
}
.brand-sub{
  font-family:var(--mono);
  font-size:10.5px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--ink-faint);
}
.header-nav{
  display:flex;
  gap:4px;
  font-size:13.5px;
}
.header-nav button{
  background:none;
  border:none;
  color:var(--ink-soft);
  padding:8px 12px;
  border-radius:3px;
  cursor:pointer;
  font-weight:500;
}
.header-nav button:hover{background:var(--paper);color:var(--ink);}
.header-nav button.active{color:var(--maroon);}
.header-nav a{
  color:var(--ink-soft);
  text-decoration:none;
  padding:8px 12px;
  border-radius:3px;
  font-weight:500;
  cursor:pointer;
}
.header-nav a:hover{background:var(--paper);color:var(--ink);}
.header-action{display:flex;align-items:center;gap:12px;}
.user-email{
  font-family:var(--mono);
  font-size:11.5px;
  color:var(--ink-faint);
  background:none;
  border:none;
  padding:0;
  cursor:pointer;
}
.user-email:hover{color:var(--maroon);}

.timer-pill{
  font-family:var(--mono);
  font-size:13px;
  font-weight:500;
  padding:6px 12px;
  border:1px solid var(--rule-strong);
  border-radius:3px;
  background:var(--paper);
  color:var(--ink);
  display:flex;
  align-items:center;
  gap:7px;
  min-width:86px;
  justify-content:center;
}
.timer-pill.low{border-color:var(--bad);color:var(--bad);background:var(--bad-bg);}
.timer-dot{width:6px;height:6px;border-radius:50%;background:var(--good);}
.timer-pill.low .timer-dot{background:var(--bad);animation:pulse 1s infinite;}
@keyframes pulse{0%,100%{opacity:1;}50%{opacity:.25;}}

main{max-width:960px;margin:0 auto;padding:36px 28px 80px;}

/* ---------- Typography ---------- */
h1,h2,h3{font-family:var(--display);font-weight:600;margin:0 0 .5em;color:var(--ink);}
.kicker{
  font-family:var(--mono);
  font-size:11px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--maroon);
  margin:0 0 10px;
  font-weight:500;
}
p{margin:0 0 1em;}

/* ---------- Home ---------- */
.hero{
  border-bottom:1px solid var(--rule);
  padding-bottom:32px;
  margin-bottom:36px;
}
.hero h1{font-size:34px;line-height:1.15;max-width:640px;}
.hero p.lede{
  font-family:var(--serif);
  font-size:17px;
  color:var(--ink-soft);
  max-width:600px;
  margin-top:10px;
}

.mode-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:16px;
  margin-bottom:40px;
}
.mode-card{
  background:var(--paper-raised);
  border:1px solid var(--rule);
  border-radius:5px;
  padding:22px;
  text-align:left;
  cursor:pointer;
  transition:border-color .15s, box-shadow .15s, transform .15s;
  display:flex;
  flex-direction:column;
  gap:8px;
}
.mode-card:hover{border-color:var(--maroon);box-shadow:var(--shadow);transform:translateY(-1px);}
.mode-card .mc-icon{
  width:34px;height:34px;
  border-radius:4px;
  background:var(--paper);
  border:1px solid var(--rule-strong);
  display:flex;align-items:center;justify-content:center;
  font-family:var(--display);font-weight:700;color:var(--maroon);
  margin-bottom:4px;
}
.mode-card h3{font-size:17px;margin-bottom:2px;}
.mode-card p{font-size:13.5px;color:var(--ink-soft);margin-bottom:0;}
.mode-card .mc-meta{
  margin-top:auto;
  padding-top:10px;
  font-family:var(--mono);
  font-size:11px;
  color:var(--ink-faint);
  letter-spacing:.03em;
}

.section-heading{
  display:flex;
  align-items:baseline;
  justify-content:space-between;
  border-bottom:1px solid var(--rule);
  padding-bottom:8px;
  margin-bottom:16px;
}
.section-heading h2{font-size:15px;text-transform:uppercase;letter-spacing:.06em;font-family:var(--sans);font-weight:600;color:var(--ink);}

.stats-row{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:14px;
  margin-bottom:40px;
}
.stat-box{
  border:1px solid var(--rule);
  background:var(--paper-raised);
  border-radius:5px;
  padding:16px 18px;
}
.stat-box .stat-num{font-family:var(--display);font-size:26px;font-weight:600;color:var(--maroon);}
.stat-box .stat-label{font-size:12px;color:var(--ink-soft);margin-top:2px;}

.passage-list{display:flex;flex-direction:column;gap:0;border-top:1px solid var(--rule);}
.passage-row{
  display:flex;
  align-items:center;
  gap:16px;
  padding:16px 6px;
  border-bottom:1px solid var(--rule);
  cursor:pointer;
  background:none;
  border-left:none;border-right:none;border-top:none;
  width:100%;
  text-align:left;
}
.passage-row:hover{background:rgba(30,58,95,.05);}
.passage-row .pr-num{
  font-family:var(--mono);
  font-size:12px;
  color:var(--ink-faint);
  width:22px;
  flex-shrink:0;
}
.passage-row .pr-main{flex:1;min-width:0;}
.passage-row .pr-title{font-family:var(--display);font-weight:600;font-size:16px;color:var(--ink);}
.passage-row .pr-cat{font-size:12px;color:var(--ink-soft);margin-top:1px;}
.pr-status{
  font-family:var(--mono);
  font-size:11px;
  padding:3px 9px;
  border-radius:20px;
  white-space:nowrap;
  border:1px solid var(--rule-strong);
  color:var(--ink-soft);
}
.pr-status.done{background:var(--good-bg);color:var(--good);border-color:transparent;}
.pr-status.coming{background:var(--amber-bg);color:var(--amber);border-color:transparent;}

/* ---------- Passage / question layout ---------- */
main:has(.exam-layout){max-width:1180px;}
.exam-layout{
  display:grid;
  grid-template-columns:1.5fr 1fr;
  gap:0;
  border:1px solid var(--rule);
  border-radius:6px;
  overflow:hidden;
  background:var(--paper-raised);
  box-shadow:var(--shadow);
  min-height:560px;
}
.passage-pane{
  padding:30px 32px;
  border-right:1px solid var(--rule);
  overflow-y:auto;
  max-height:78vh;
}
.passage-pane .p-cat{font-family:var(--mono);font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--maroon);margin-bottom:8px;}
.passage-pane h2{font-size:22px;line-height:1.3;margin-bottom:18px;}
.passage-pane .p-body{font-family:var(--serif);font-size:16.5px;line-height:1.68;color:var(--ink);}
.passage-pane .p-body p{margin-bottom:1.1em;text-align:justify;}
.passage-pane .p-body p:first-of-type::first-letter{
  font-family:var(--serif);
  font-size:2.9em;
  float:left;
  line-height:.8;
  padding:.08em .06em 0 0;
  color:var(--maroon);
  font-weight:600;
}

.question-pane{
  padding:26px 30px;
  display:flex;
  flex-direction:column;
  overflow-y:auto;
  max-height:78vh;
}
.q-progress{
  font-family:var(--mono);
  font-size:11.5px;
  color:var(--ink-faint);
  margin-bottom:14px;
  display:flex;
  justify-content:space-between;
  align-items:center;
}
.q-dots{display:flex;gap:6px;flex-wrap:wrap;}
.q-dot{width:10px;height:10px;border-radius:50%;background:var(--rule-strong);transition:transform .1s;}
.q-dot:hover{background:var(--ink-faint);transform:scale(1.25);}
.q-dot.current{background:var(--maroon);transform:scale(1.25);}
.q-dot.answered{background:var(--navy);}

.q-text{
  font-family:var(--serif);
  font-size:18px;
  font-weight:600;
  line-height:1.4;
  margin-bottom:18px;
  color:var(--ink);
}

.options{display:flex;flex-direction:column;gap:9px;margin-bottom:20px;}
.option{
  display:flex;
  gap:12px;
  align-items:flex-start;
  padding:14px 16px;
  border:1px solid var(--rule);
  border-radius:6px;
  cursor:pointer;
  background:var(--paper-raised);
  transition:border-color .12s, background .12s, box-shadow .12s;
  text-align:left;
}
.option:hover{border-color:var(--rule-strong);background:var(--paper);box-shadow:0 2px 8px -4px rgba(22,24,29,.15);}
.option.selected{border-color:var(--navy);background:#eef2f7;}
.option.correct{border-color:var(--good);background:var(--good-bg);}
.option.incorrect{border-color:var(--bad);background:var(--bad-bg);}
.option .opt-letter{
  font-family:var(--mono);
  font-weight:600;
  font-size:12.5px;
  width:22px;height:22px;
  border-radius:50%;
  border:1px solid var(--rule-strong);
  display:flex;align-items:center;justify-content:center;
  flex-shrink:0;
  color:var(--ink-soft);
}
.option.selected .opt-letter{border-color:var(--navy);color:var(--navy);background:#fff;}
.option.correct .opt-letter{border-color:var(--good);color:#fff;background:var(--good);}
.option.incorrect .opt-letter{border-color:var(--bad);color:#fff;background:var(--bad);}
.option .opt-text{font-size:14.5px;line-height:1.5;padding-top:1px;}

.explanation{
  border-left:3px solid var(--navy);
  background:#f2f4f7;
  padding:12px 16px;
  border-radius:0 5px 5px 0;
  font-size:13.5px;
  color:var(--ink-soft);
  margin-bottom:18px;
}
.explanation strong{color:var(--ink);}

.q-actions{
  margin-top:auto;
  display:flex;
  justify-content:space-between;
  gap:10px;
  padding-top:14px;
  border-top:1px solid var(--rule);
}

/* ---------- Buttons ---------- */
.btn{
  font-family:var(--sans);
  font-weight:600;
  font-size:13.5px;
  padding:10px 20px;
  border-radius:4px;
  border:1px solid var(--rule-strong);
  background:var(--paper-raised);
  color:var(--ink);
  cursor:pointer;
  transition:background .12s, border-color .12s, opacity .12s;
}
.btn:hover{border-color:var(--ink-faint);}
.btn:disabled{opacity:.4;cursor:not-allowed;}
.btn-primary{background:var(--maroon);border-color:var(--maroon);color:#fff;}
.btn-primary:hover{background:var(--maroon-dark);border-color:var(--maroon-dark);}
.btn-ghost{background:none;border-color:transparent;color:var(--ink-soft);}
.btn-ghost:hover{background:var(--paper);color:var(--ink);}
.btn-sm{padding:6px 12px;font-size:12.5px;}
.btn-block{width:100%;}

/* ---------- Results ---------- */
.results-hero{
  text-align:center;
  padding:40px 20px;
  border:1px solid var(--rule);
  border-radius:6px;
  background:var(--paper-raised);
  margin-bottom:28px;
}
.results-hero .score-big{
  font-family:var(--display);
  font-size:56px;
  font-weight:700;
  color:var(--maroon);
  line-height:1;
}
.results-hero .score-frac{font-family:var(--mono);color:var(--ink-soft);font-size:15px;margin-top:8px;}
.results-hero .score-verdict{font-family:var(--serif);font-size:16px;color:var(--ink-soft);margin-top:14px;max-width:460px;margin-left:auto;margin-right:auto;}

.review-item{border:1px solid var(--rule);border-radius:6px;margin-bottom:14px;overflow:hidden;background:var(--paper-raised);}
.review-item-head{
  display:flex;justify-content:space-between;align-items:center;
  padding:14px 18px;cursor:pointer;gap:12px;
}
.review-item-head:hover{background:var(--paper);}
.review-item-head .ri-q{font-size:14px;font-weight:500;flex:1;}
.review-badge{
  font-family:var(--mono);font-size:11px;font-weight:600;
  padding:3px 10px;border-radius:20px;flex-shrink:0;
}
.review-badge.correct{background:var(--good-bg);color:var(--good);}
.review-badge.incorrect{background:var(--bad-bg);color:var(--bad);}
.review-item-body{padding:0 18px 18px;border-top:1px solid var(--rule);}

/* ---------- Essay ---------- */
.essay-toolbar{
  display:flex;justify-content:space-between;align-items:center;
  padding:12px 0;margin-bottom:14px;border-bottom:1px solid var(--rule);
  flex-wrap:wrap;gap:10px;
}
.word-count{font-family:var(--mono);font-size:12.5px;color:var(--ink-soft);}
.word-count.warn{color:var(--amber);}
.word-count.over{color:var(--bad);}
textarea.essay-input{
  width:100%;
  min-height:52vh;
  font-family:var(--serif);
  font-size:16.5px;
  line-height:1.7;
  border:1px solid var(--rule);
  border-radius:6px;
  padding:24px 28px;
  background:var(--paper-raised);
  color:var(--ink);
  resize:vertical;
}
textarea.essay-input:focus{outline:none;border-color:var(--navy);}
.prompt-card{
  border:1px solid var(--rule);
  border-radius:5px;
  padding:16px 18px;
  margin-bottom:10px;
  cursor:pointer;
  background:var(--paper-raised);
  font-family:var(--serif);
  font-size:15.5px;
}
.prompt-card:hover{border-color:var(--maroon);}
.tips-box{
  border:1px solid var(--rule);
  border-radius:6px;
  padding:18px 20px;
  background:#f5f2ea;
  font-size:13.5px;
  color:var(--ink-soft);
  margin-top:20px;
}
.tips-box h3{font-size:13px;text-transform:uppercase;letter-spacing:.05em;font-family:var(--sans);margin-bottom:10px;}
.tips-box ul{margin:0;padding-left:18px;}
.tips-box li{margin-bottom:6px;}

/* ---------- Misc ---------- */
.breadcrumb{
  font-family:var(--mono);
  font-size:11.5px;
  color:var(--ink-faint);
  margin-bottom:18px;
  letter-spacing:.02em;
}
.breadcrumb a{cursor:pointer;color:var(--ink-soft);text-decoration:none;}
.breadcrumb a:hover{color:var(--maroon);}

.confirm-modal-bg{
  position:fixed;inset:0;background:rgba(35,33,29,.45);
  display:flex;align-items:center;justify-content:center;z-index:50;
}
.confirm-modal{
  background:var(--paper-raised);
  border-radius:6px;
  padding:26px 28px;
  max-width:400px;
  box-shadow:0 10px 40px rgba(0,0,0,.25);
}
.confirm-modal h3{font-size:17px;margin-bottom:8px;}
.confirm-modal p{font-size:13.5px;color:var(--ink-soft);margin-bottom:20px;}
.confirm-modal .modal-actions{display:flex;gap:10px;justify-content:flex-end;}

.empty-note{
  font-family:var(--serif);
  font-style:italic;
  color:var(--ink-faint);
  padding:30px 0;
  text-align:center;
}

/* ================================================================
   MARKETING SITE — home / about / pricing / free practice / login
   ================================================================ */
.marketing-page{
  padding:64px 0 40px;
}
.page-title{
  font-size:32px;
  line-height:1.2;
  max-width:640px;
  text-wrap:balance;
}
.m-hero{padding:88px 0 64px;}
.m-hero h1{font-size:38px;}

.cta-row{display:flex;gap:12px;margin-top:24px;flex-wrap:wrap;}
.btn-lg{padding:13px 26px;font-size:14.5px;}
.hero-meta{
  font-family:var(--mono);
  font-size:11.5px;
  color:var(--ink-faint);
  letter-spacing:.03em;
  margin-top:26px;
}

.about-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:32px;
  margin-top:8px;
}
.about-grid p{font-size:14.5px;color:var(--ink-soft);line-height:1.65;}

.stats-row-3{grid-template-columns:repeat(3,1fr);}

.principles-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:28px 32px;
  margin:20px 0 8px;
}
.principle{border-left:3px solid var(--maroon);padding-left:18px;}
.principle h3{font-family:var(--display);font-size:15px;margin-bottom:6px;}
.principle p{font-size:13.5px;color:var(--ink-soft);margin:0;line-height:1.55;}

.chart-wrap{
  margin:28px 0 8px;
  border:1px solid var(--rule);
  border-radius:8px;
  padding:24px 28px 20px;
  background:var(--paper-raised);
}
.chart-wrap svg{display:block;max-width:100%;height:auto;}
.chart-caption{font-size:12.5px;color:var(--ink-faint);font-style:italic;margin:14px 0 0;}

.uni-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.uni-badge{
  font-family:var(--mono);
  font-size:11.5px;
  letter-spacing:.02em;
  padding:8px 14px;
  border:1px solid var(--rule-strong);
  border-radius:20px;
  color:var(--ink-soft);
  background:var(--paper-raised);
}

.chart-legend{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:18px;}
.legend-item{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink);}
.legend-item b{font-family:var(--mono);font-weight:600;color:var(--ink-soft);margin-left:1px;}
.legend-swatch{width:11px;height:11px;border-radius:3px;flex-shrink:0;}

.pricing-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:20px;
  margin-top:24px;
}
.price-card{
  border:1px solid var(--rule);
  border-radius:8px;
  padding:26px 24px;
  background:var(--paper-raised);
  display:flex;
  flex-direction:column;
  position:relative;
}
.price-card.featured{border-color:var(--maroon);box-shadow:var(--shadow);}
.badge-popular{
  position:absolute;
  top:-11px;
  left:24px;
  background:var(--maroon);
  color:#fff;
  font-family:var(--mono);
  font-size:10px;
  letter-spacing:.08em;
  text-transform:uppercase;
  padding:4px 10px;
  border-radius:20px;
}
.price-name{font-family:var(--display);font-weight:600;font-size:16px;margin-bottom:8px;}
.price-num{font-family:var(--display);font-size:32px;font-weight:700;color:var(--maroon);line-height:1;margin-bottom:8px;}
.price-period{font-family:var(--sans);font-size:12.5px;font-weight:500;color:var(--ink-soft);}
.price-desc{font-size:13px;color:var(--ink-soft);margin-bottom:18px;min-height:34px;}
.price-total-q{
  font-family:var(--display);
  font-weight:600;
  font-size:13px;
  color:var(--maroon);
  background:var(--paper);
  border:1px solid var(--rule);
  border-radius:5px;
  padding:8px 12px;
  margin-bottom:18px;
  text-align:center;
}
.price-features{list-style:none;margin:0 0 22px;padding:0;flex:1;}
.price-features li{
  font-size:13.5px;
  padding:8px 0;
  border-top:1px solid var(--rule);
  color:var(--ink);
}
.price-features li:first-child{border-top:none;}
.price-features li::before{content:"✓  ";color:var(--good);font-weight:700;}
.pricing-note{font-size:12.5px;color:var(--ink-faint);font-style:italic;margin-top:18px;margin-bottom:0;}

.teaser-layout{margin-top:8px;}
.teaser-cta{
  text-align:center;
  padding:28px 20px;
  border:1px dashed var(--rule-strong);
  border-radius:6px;
}
.teaser-cta p{font-family:var(--serif);font-size:15px;color:var(--ink-soft);margin-bottom:16px;}

.teaser-essay{margin-bottom:22px;}
.teaser-essay-prompt{
  font-family:var(--display);
  font-size:16px;
  font-weight:600;
  color:var(--ink);
  margin-bottom:10px;
}
.teaser-textarea{min-height:20vh;}

.login-card{
  max-width:380px;
  border:1px solid var(--rule);
  border-radius:8px;
  padding:28px;
  background:var(--paper-raised);
  display:flex;
  flex-direction:column;
  gap:16px;
  margin-top:8px;
}
.field{display:flex;flex-direction:column;gap:6px;font-size:13px;font-weight:500;color:var(--ink-soft);}
.input{
  font-family:var(--sans);
  font-size:14px;
  padding:10px 12px;
  border:1px solid var(--rule);
  border-radius:5px;
  background:var(--paper);
  color:var(--ink);
}
.input:focus{outline:none;border-color:var(--navy);}
textarea.input{resize:vertical;min-height:110px;line-height:1.5;}
select.input{cursor:pointer;}
.login-note{font-size:12px;color:var(--ink-faint);font-style:italic;margin:0;}
.form-switch{font-size:13px;color:var(--ink-soft);margin:0;text-align:center;}
.form-switch a{color:var(--maroon);cursor:pointer;text-decoration:none;font-weight:500;}
.form-switch a:hover{text-decoration:underline;}

/* ---------- Dedicated auth page (log in / sign up) ---------- */
.auth-page{
  min-height:64vh;
  display:flex;
  align-items:center;
  justify-content:center;
  padding:56px 0;
}
.auth-card{
  width:100%;
  max-width:400px;
  border:1px solid var(--rule);
  border-radius:8px;
  padding:32px;
  background:var(--paper-raised);
  box-shadow:var(--shadow);
}
.auth-card h2{font-size:22px;margin-bottom:6px;}
.auth-tabs{
  display:flex;
  border:1px solid var(--rule);
  border-radius:6px;
  padding:3px;
  margin-bottom:24px;
}
.auth-tab{
  flex:1;
  background:none;
  border:none;
  padding:9px;
  border-radius:4px;
  font-family:inherit;
  font-size:13.5px;
  font-weight:600;
  color:var(--ink-soft);
  cursor:pointer;
}
.auth-tab.active{background:var(--maroon);color:#fff;}
.auth-error{
  background:var(--bad-bg);
  color:var(--bad);
  border-radius:5px;
  padding:10px 14px;
  font-size:13px;
  margin-bottom:14px;
}
.auth-card form{display:flex;flex-direction:column;gap:16px;}

.site-footer{
  border-top:1px solid var(--rule);
  padding-top:28px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:16px;
}
.site-footer nav{display:flex;gap:18px;}
.site-footer nav a{font-size:13px;color:var(--ink-soft);cursor:pointer;text-decoration:none;}
.site-footer nav a:hover{color:var(--maroon);}
.footer-copy{font-family:var(--mono);font-size:11px;color:var(--ink-faint);}

/* ================================================================
   ACCOUNT — profile, security, verification, subscription
   ================================================================ */
.tab-bar{
  display:flex;
  border:1px solid var(--rule);
  border-radius:6px;
  padding:3px;
  gap:2px;
  margin-bottom:28px;
  max-width:560px;
}
.tab-btn{
  flex:1;
  background:none;
  border:none;
  padding:9px 6px;
  border-radius:4px;
  font-family:inherit;
  font-size:12.5px;
  font-weight:600;
  color:var(--ink-soft);
  cursor:pointer;
}
.tab-btn:hover{background:var(--paper);}
.tab-btn.active{background:var(--maroon);color:#fff;}

.account-panel{max-width:560px;}
.account-subhead{
  font-family:var(--sans);
  font-size:13px;
  font-weight:600;
  text-transform:uppercase;
  letter-spacing:.04em;
  color:var(--ink);
  margin:0 0 14px;
}
.account-form{display:flex;flex-direction:column;gap:14px;margin-bottom:32px;}

.profile-head{display:flex;align-items:center;gap:16px;margin-bottom:28px;}
.avatar-circle{
  width:52px;height:52px;
  border-radius:50%;
  background:var(--maroon);
  color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-family:var(--display);
  font-weight:700;
  font-size:18px;
  flex-shrink:0;
}
.profile-name{font-family:var(--display);font-weight:600;font-size:17px;color:var(--ink);}
.profile-email{font-family:var(--mono);font-size:12.5px;color:var(--ink-faint);margin-top:2px;}

.account-success{
  background:var(--good-bg);
  color:var(--good);
  border-radius:5px;
  padding:10px 14px;
  font-size:13px;
  margin-bottom:14px;
}

.btn-danger{border-color:var(--bad);color:var(--bad);background:var(--paper-raised);}
.btn-danger:hover{background:var(--bad-bg);}

.danger-zone{
  border-top:1px solid var(--rule);
  padding-top:24px;
  margin-top:8px;
}
.danger-zone p{font-size:13px;color:var(--ink-soft);margin-bottom:14px;}

.security-row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  border-top:1px solid var(--rule);
  padding:18px 0;
}
.security-row-title{font-size:14px;font-weight:600;color:var(--ink);margin-bottom:3px;}
.security-row-desc{font-size:12.5px;color:var(--ink-soft);max-width:360px;}

.verify-status{
  display:flex;
  align-items:center;
  gap:12px;
  border:1px solid var(--rule);
  border-radius:6px;
  padding:14px 16px;
  background:var(--paper-raised);
}
.verify-dot{width:10px;height:10px;border-radius:50%;background:var(--ink-faint);flex-shrink:0;}
.verify-status.verified .verify-dot{background:var(--good);}
.verify-status.unverified .verify-dot{background:var(--amber);}
.verify-status.demo .verify-dot{background:var(--ink-faint);}
.verify-title{font-size:14px;font-weight:600;color:var(--ink);}
.verify-desc{font-size:12.5px;color:var(--ink-soft);margin-top:2px;}

.current-plan-banner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  border:1px solid var(--rule);
  border-radius:6px;
  padding:18px 20px;
  background:var(--paper-raised);
}
.current-plan-name{font-family:var(--display);font-size:19px;font-weight:600;color:var(--maroon);margin-top:4px;}

/* ---------- Home: key dates timeline ---------- */
.timeline-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:0 28px;
  margin:24px 0 8px;
}
.timeline-step{
  position:relative;
  padding:20px 4px 4px;
  border-top:3px solid var(--rule-strong);
}
.timeline-step.active{border-top-color:var(--maroon);}
.timeline-step .ts-num{
  font-family:var(--mono);
  font-size:11px;
  color:var(--ink-faint);
  letter-spacing:.08em;
  text-transform:uppercase;
  margin-bottom:8px;
}
.timeline-step h3{font-size:16px;margin-bottom:6px;}
.timeline-step p{font-size:13.5px;color:var(--ink-soft);line-height:1.55;margin:0;}
.timeline-note{font-size:12.5px;color:var(--ink-faint);font-style:italic;margin-top:22px;}

/* ---------- Home: FAQ ---------- */
.faq-list{margin-top:8px;}

/* ---------- Cookie banner ---------- */
.cookie-banner{
  position:fixed;
  left:20px;right:20px;bottom:20px;
  max-width:640px;
  margin:0 auto;
  background:var(--ink);
  color:#fff;
  border-radius:8px;
  padding:18px 22px;
  display:flex;
  align-items:center;
  gap:18px;
  flex-wrap:wrap;
  box-shadow:0 12px 32px -8px rgba(0,0,0,.35);
  z-index:100;
}
.cookie-banner p{font-size:13px;line-height:1.5;margin:0;flex:1;min-width:220px;color:rgba(255,255,255,.85);}
.cookie-banner .btn{border-color:rgba(255,255,255,.25);}
.cookie-banner .btn-primary{background:#fff;color:var(--ink);border-color:#fff;}
.cookie-banner .btn-primary:hover{background:#e7e7e7;}
.cookie-banner .btn-ghost{color:rgba(255,255,255,.75);}
.cookie-banner .btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff;}

/* ---------- About: trust badges / founder note ---------- */
.trust-row{display:flex;flex-wrap:wrap;gap:10px;margin:20px 0 8px;}
.trust-badge{
  display:flex;align-items:center;gap:8px;
  font-size:12.5px;
  font-weight:500;
  padding:9px 15px;
  border:1px solid var(--rule);
  border-radius:6px;
  color:var(--ink-soft);
  background:var(--paper-raised);
}
.trust-badge .tb-dot{width:7px;height:7px;border-radius:50%;background:var(--good);flex-shrink:0;}
.founder-note{
  border-left:3px solid var(--maroon);
  padding:2px 0 2px 20px;
  margin:36px 0;
}
.founder-note p{font-family:var(--serif);font-size:15.5px;font-style:italic;color:var(--ink-soft);line-height:1.6;margin-bottom:12px;}
.founder-sign{font-family:var(--display);font-size:13.5px;font-weight:600;color:var(--ink);}
.founder-role{font-size:12px;color:var(--ink-faint);}

/* ---------- Dashboard: progress analysis ---------- */
.progress-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin:8px 0 40px;}
.progress-card{border:1px solid var(--rule);border-radius:8px;padding:22px 24px;background:var(--paper-raised);}
.progress-card h3{font-size:14px;margin-bottom:16px;}
.progress-empty{font-size:13px;color:var(--ink-faint);font-style:italic;}
.breakdown-row{display:flex;align-items:center;gap:12px;margin-bottom:11px;}
.breakdown-label{font-size:12.5px;color:var(--ink-soft);width:112px;flex-shrink:0;}
.breakdown-bar-track{flex:1;height:8px;border-radius:4px;background:var(--rule);overflow:hidden;}
.breakdown-bar-fill{height:100%;border-radius:4px;background:var(--maroon);}
.breakdown-val{font-family:var(--mono);font-size:11.5px;color:var(--ink-faint);width:38px;text-align:right;flex-shrink:0;}

/* ---------- Guide pages ---------- */
.guide-content{max-width:720px;}
.guide-content h2{font-size:20px;margin-top:40px;}
.guide-content h2:first-child{margin-top:0;}
.guide-content p{font-family:var(--serif);font-size:15.5px;line-height:1.7;color:var(--ink-soft);margin-bottom:1.1em;}
.guide-content ul,.guide-content ol{font-family:var(--serif);font-size:15.5px;line-height:1.7;color:var(--ink-soft);padding-left:1.4em;margin-bottom:1.1em;}
.guide-content li{margin-bottom:.5em;}
.guide-content strong{color:var(--ink);}
.guide-callout{
  border:1px solid var(--rule);
  border-left:3px solid var(--navy);
  background:var(--paper);
  border-radius:0 6px 6px 0;
  padding:14px 18px;
  font-size:13.5px;
  color:var(--ink-soft);
  margin:20px 0;
}

@media (max-width: 820px){
  .site-header-inner{flex-wrap:wrap;row-gap:10px;padding:14px 20px;}
  .brand-sub{display:none;}
  .header-right{flex-wrap:wrap;width:100%;justify-content:flex-start;row-gap:10px;}
  .header-nav{flex-wrap:wrap;row-gap:6px;}
  .header-action{flex-wrap:wrap;row-gap:8px;}
  .exam-layout{grid-template-columns:1fr;}
  .passage-pane{border-right:none;border-bottom:1px solid var(--rule);max-height:none;}
  .mode-grid{grid-template-columns:1fr;}
  .stats-row{grid-template-columns:repeat(2,1fr);}
  .stats-row-3{grid-template-columns:1fr;}
  .about-grid{grid-template-columns:1fr;}
  .pricing-grid{grid-template-columns:1fr;}
  .principles-grid{grid-template-columns:1fr;}
  .m-hero h1{font-size:30px;}
  .page-title{font-size:26px;}
  .tab-bar{max-width:100%;}
  .timeline-grid{grid-template-columns:1fr;gap:22px 0;}
  .timeline-step{border-top:none;border-left:3px solid var(--rule-strong);padding:2px 0 4px 18px;}
  .timeline-step.active{border-left-color:var(--maroon);}
  .progress-grid{grid-template-columns:1fr;}
  .cookie-banner{left:12px;right:12px;bottom:12px;flex-direction:column;align-items:stretch;text-align:center;}
}