:root {
  --ink: #0a0e1c;
  --ink-soft: #454b60;
  --muted: #868ba0;
  --faint: #b2b6c6;
  --bg: #fbfbfe;
  --bg-tint: #f3f5fc;
  --card: #ffffff;
  --border: #e9ebf4;

  --blue: #3454ff;
  --blue-dark: #1d38dd;
  --blue-bg: #edf0ff;
  --blue-glow: rgba(52,84,255,.28);

  --green: #0fb37d;
  --green-bg: #e4faf1;
  --green-glow: rgba(15,179,125,.25);

  --amber: #e6971f;
  --amber-bg: #fff3e0;
  --amber-glow: rgba(230,151,31,.25);

  --violet: #7c5cff;
  --violet-bg: #f1edff;
  --violet-glow: rgba(124,92,255,.25);

  --grad-primary: linear-gradient(135deg,#3454ff 0%,#7c5cff 100%);
  --grad-gold: linear-gradient(135deg,#f7b955 0%,#e6971f 100%);

  --radius-lg: 22px;
  --radius: 16px;
  --radius-sm: 12px;

  --shadow-sm: 0 1px 2px rgba(20,25,55,.04), 0 4px 14px rgba(20,25,55,.04);
  --shadow-md: 0 2px 6px rgba(20,25,55,.05), 0 20px 40px -12px rgba(20,25,55,.10);
  --shadow-lg: 0 30px 60px -20px rgba(20,25,55,.22);

  font-family: -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
  line-height: 1.4;
  overflow-x: hidden;
}
img, svg { display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
.wrap { max-width: 1240px; margin: 0 auto; padding: 0 24px; position: relative; }
::selection { background: var(--blue); color: #fff; }

/* reveal-on-scroll */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* ---------- Hero ---------- */
.hero { position: relative; padding: 28px 0 0; overflow: hidden; }
.hero-glow { position: absolute; border-radius: 50%; filter: blur(70px); z-index: 0; pointer-events: none; }
.glow-1 { width: 400px; height: 400px; background: radial-gradient(circle,rgba(52,84,255,.22),transparent 70%); top: -160px; right: -120px; }
.glow-2 { width: 320px; height: 320px; background: radial-gradient(circle,rgba(124,92,255,.16),transparent 70%); top: 40px; left: -160px; }

.hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1.08fr 0.92fr; gap: 30px; align-items: center; }
.badge {
  display: inline-flex; align-items: center; gap: 6px; background: #fff; color: var(--blue);
  font-size: 11px; font-weight: 700; padding: 5px 12px 5px 6px; border-radius: 20px;
  margin-bottom: 13px; border: 1px solid var(--border); box-shadow: var(--shadow-sm);
}
.badge .dot { width: 17px; height: 17px; border-radius: 50%; background: var(--grad-primary); display: flex; align-items: center; justify-content: center; }
.badge .dot svg { width: 9.5px; height: 9.5px; color: #fff; }

.hero h1 { font-size: 38px; line-height: 1.05; font-weight: 800; color: var(--ink); letter-spacing: -1.1px; }
.hero h1 .accent { background: var(--grad-primary); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero p.sub { margin-top: 12px; font-size: 14px; color: var(--ink-soft); max-width: 390px; line-height: 1.6; }
.hero-cta { display: flex; gap: 10px; margin-top: 18px; flex-wrap: wrap; }
.btn { display: inline-flex; align-items: center; gap: 7px; font-size: 13px; font-weight: 700; padding: 11px 19px; border-radius: 11px; border: none; transition: transform .15s ease, box-shadow .15s ease; }
.btn:hover { transform: translateY(-2px); }
.btn svg { width: 14px; height: 14px; }
.btn-primary { background: var(--grad-primary); color: #fff; box-shadow: 0 12px 24px -8px var(--blue-glow); }
.btn-outline { background: #fff; color: var(--ink); border: 1px solid var(--border); box-shadow: var(--shadow-sm); }

.hero-trust { display: flex; align-items: center; gap: 12px; margin-top: 18px; }
.avatars { display: flex; }
.avatars span {
  width: 24px; height: 24px; border-radius: 50%; border: 2px solid #fff; margin-left: -7px;
  background: var(--grad-primary); display: flex; align-items: center; justify-content: center;
  font-size: 8px; font-weight: 800; color: #fff;
}
.avatars span:first-child { margin-left: 0; }
.hero-trust-text { font-size: 11px; color: var(--muted); font-weight: 600; }
.hero-trust-text b { color: var(--ink); }

.hero-art { position: relative; display: flex; align-items: center; justify-content: center; min-height: 250px; }
.orb-card {
  position: relative; background: #fff; border: 1px solid var(--border); border-radius: 22px;
  box-shadow: var(--shadow-lg); padding: 18px; width: 100%; max-width: 290px;
  background-image: linear-gradient(160deg,#ffffff 0%,#f7f8ff 100%);
}
.orb-card-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 11px; }
.orb-tag { display: flex; align-items: center; gap: 6px; font-size: 10px; font-weight: 700; color: var(--blue); background: var(--blue-bg); padding: 4px 9px; border-radius: 20px; }
.orb-tag .live { width: 5px; height: 5px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 3px var(--green-bg); animation: pulse 1.8s infinite; }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: .4; } }
.orb-more { color: var(--faint); }
.orb-more svg { width: 15px; height: 15px; }
.orb-globe { width: 100%; height: 132px; position: relative; display: flex; align-items: center; justify-content: center; }
.orb-stat-row { display: flex; gap: 8px; margin-top: 12px; }
.orb-mini { flex: 1; background: var(--bg-tint); border-radius: 11px; padding: 8px 10px; }
.orb-mini b { display: block; font-size: 14px; font-weight: 800; color: var(--ink); }
.orb-mini span { font-size: 9px; color: var(--muted); font-weight: 600; }
.float-chip {
  position: absolute; background: #fff; border: 1px solid var(--border); border-radius: 13px;
  box-shadow: var(--shadow-md); padding: 8px 12px; display: flex; align-items: center; gap: 7px;
  font-size: 10.5px; font-weight: 700; color: var(--ink);
}
.float-1 { top: -8px; left: -18px; }
.float-1 .ic { background: var(--amber-bg); color: var(--amber); }
.float-2 { bottom: 4px; right: -20px; }
.float-2 .ic { background: var(--green-bg); color: var(--green); }
.float-chip .ic { width: 23px; height: 23px; border-radius: 7px; display: flex; align-items: center; justify-content: center; }
.float-chip .ic svg { width: 13px; height: 13px; }

/* ---------- Floating stats ---------- */
.stats-wrap { position: relative; z-index: 2; margin-top: 26px; }
.stats-card {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg); padding: 8px;
  display: grid; grid-template-columns: repeat(4,1fr);
}
.stat { display: flex; align-items: center; gap: 13px; padding: 13px 20px; position: relative; border-radius: 14px; transition: background .2s; }
.stat:hover { background: var(--bg-tint); }
.stat:not(:first-child)::before { content: ''; position: absolute; left: 0; top: 14px; bottom: 14px; width: 1px; background: var(--border); }
.stat-icon { width: 46px; height: 46px; border-radius: 13px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.stat-icon svg { width: 22px; height: 22px; }
.icon-blue { background: var(--blue-bg); color: var(--blue); }
.icon-green { background: var(--green-bg); color: var(--green); }
.icon-amber { background: var(--amber-bg); color: var(--amber); }
.icon-violet { background: var(--violet-bg); color: var(--violet); }
.stat-num { font-size: 23px; font-weight: 800; color: var(--ink); line-height: 1.1; letter-spacing: -0.5px; }
.stat-label { font-size: 12.5px; color: var(--ink-soft); font-weight: 600; margin-top: 2px; }
.stat-date { font-size: 10.5px; color: var(--faint); margin-top: 1px; font-weight: 600; }

/* ---------- Trust marquee ---------- */
.marquee-section { padding: 30px 0 0; }
.marquee-label { text-align: center; font-size: 11.5px; font-weight: 700; color: var(--faint); letter-spacing: 0.6px; text-transform: uppercase; margin-bottom: 16px; }
.marquee-mask { overflow: hidden; -webkit-mask-image: linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent); mask-image: linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent); }
.marquee-track { display: flex; gap: 14px; width: max-content; animation: scroll-left 26s linear infinite; }
@keyframes scroll-left { from { transform: translateX(0); } to { transform: translateX(-50%); } }
.marquee-section:hover .marquee-track { animation-play-state: paused; }
.exam-pill {
  display: flex; align-items: center; gap: 8px; background: #fff; border: 1px solid var(--border);
  border-radius: 30px; padding: 9px 18px; font-size: 12.5px; font-weight: 700; color: var(--ink-soft);
  box-shadow: var(--shadow-sm); white-space: nowrap;
}
.exam-pill .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--blue); }

/* ---------- Section headers ---------- */
section { padding: 64px 0 0; }
.section-eyebrow { display: flex; align-items: center; gap: 8px; font-size: 11.5px; font-weight: 700; color: var(--blue); letter-spacing: 0.5px; text-transform: uppercase; margin-bottom: 8px; }
.section-eyebrow::before { content: ''; width: 16px; height: 2px; background: var(--blue); border-radius: 2px; }
.section-head { display: flex; align-items: flex-end; justify-content: space-between; margin-bottom: 24px; }
.section-head h2 { font-size: 26px; font-weight: 800; color: var(--ink); letter-spacing: -0.6px; }
.section-head p { font-size: 13.5px; color: var(--muted); margin-top: 6px; font-weight: 500; }
.view-all { font-size: 13px; font-weight: 700; color: var(--blue); display: flex; align-items: center; gap: 4px; padding: 8px 4px; }
.view-all svg { width: 14px; height: 14px; transition: transform .15s; }
.view-all:hover svg { transform: translateX(3px); }

/* ---------- Highlights ---------- */
.highlights-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; }
.highlight-card {
  position: relative; background: linear-gradient(165deg,#fff 0%,#fbfbff 100%);
  border: 1px solid var(--border); border-radius: var(--radius-lg); box-shadow: var(--shadow-sm);
  padding: 26px; display: flex; flex-direction: column; overflow: hidden;
  transition: transform .25s ease, box-shadow .25s ease;
}
.highlight-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 4px; }
.highlight-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.card-blue::before { background: var(--grad-primary); }
.card-green::before { background: linear-gradient(90deg,#0fb37d,#3fd9a0); }
.card-violet::before { background: linear-gradient(90deg,#7c5cff,#a78bfa); }
.h-tag { display: inline-flex; align-items: center; gap: 5px; font-size: 10px; font-weight: 800; letter-spacing: 0.5px; padding: 5px 11px; border-radius: 7px; margin-bottom: 16px; width: fit-content; }
.tag-daily { background: var(--blue-bg); color: var(--blue); }
.tag-weekly { background: var(--green-bg); color: var(--green); }
.tag-monthly { background: var(--violet-bg); color: var(--violet); }
.h-body { display: flex; justify-content: space-between; gap: 12px; flex: 1; }
.h-title { font-size: 19px; font-weight: 800; color: var(--ink); line-height: 1.3; letter-spacing: -0.3px; }
.h-list { list-style: none; margin-top: 14px; display: flex; flex-direction: column; gap: 9px; }
.h-list li { font-size: 12.5px; color: var(--ink-soft); display: flex; align-items: center; gap: 8px; font-weight: 600; }
.h-list li::before { content: ''; width: 5px; height: 5px; border-radius: 50%; background: currentColor; flex-shrink: 0; }
.card-blue .h-list li { color: var(--blue); }
.card-green .h-list li { color: var(--green); }
.card-violet .h-list li { color: var(--violet); }
.h-icon { width: 58px; height: 58px; border-radius: 16px; flex-shrink: 0; display: flex; align-items: center; justify-content: center; box-shadow: var(--shadow-sm); }
.h-icon svg { width: 30px; height: 30px; }
.card-blue .h-icon { background: var(--blue-bg); color: var(--blue); }
.card-green .h-icon { background: var(--green-bg); color: var(--green); }
.card-violet .h-icon { background: var(--violet-bg); color: var(--violet); }
.read-now { margin-top: 20px; font-size: 13px; font-weight: 700; color: var(--ink); display: flex; align-items: center; gap: 5px; }
.read-now svg { width: 14px; height: 14px; transition: transform .15s; }
.highlight-card:hover .read-now svg { transform: translateX(3px); }

/* ---------- Explore topics ---------- */
.topics-grid { display: grid; grid-template-columns: repeat(9,1fr); gap: 14px; }
.topic-card {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow-sm);
  padding: 20px 8px; display: flex; flex-direction: column; align-items: center; gap: 11px; text-align: center;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s;
}
.topic-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: transparent; }
.topic-icon { width: 42px; height: 42px; border-radius: 12px; display: flex; align-items: center; justify-content: center; }
.topic-icon svg { width: 21px; height: 21px; }
.t-blue { background: var(--blue-bg); color: var(--blue); }
.t-green { background: var(--green-bg); color: var(--green); }
.t-amber { background: var(--amber-bg); color: var(--amber); }
.t-violet { background: var(--violet-bg); color: var(--violet); }
.topic-card span { font-size: 11.5px; font-weight: 700; color: var(--ink-soft); }

/* ---------- Daily / Weekly / Monthly segmented section ---------- */
.freq-tabs { display: inline-flex; background: var(--bg-tint); border-radius: 14px; padding: 5px; gap: 4px; margin-bottom: 22px; }
.freq-tab {
  background: none; border: none; padding: 10px 22px; border-radius: 10px; font-size: 13px; font-weight: 700;
  color: var(--muted); transition: background .18s, color .18s, box-shadow .18s;
}
.freq-tab.active { background: #fff; color: var(--ink); box-shadow: var(--shadow-sm); }
.freq-posts { display: grid; grid-template-columns: repeat(3,1fr); gap: 18px; }
.post-card {
  background: linear-gradient(165deg,#fff 0%,#fbfbff 100%); border: 1px solid var(--border);
  border-radius: var(--radius-lg); box-shadow: var(--shadow-sm); padding: 20px;
  display: flex; flex-direction: column; transition: transform .2s, box-shadow .2s;
}
.post-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.post-card-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }
.post-tag { font-size: 10px; font-weight: 800; letter-spacing: 0.3px; padding: 4px 10px; border-radius: 7px; background: var(--blue-bg); color: var(--blue); }
.post-date { font-size: 10.5px; color: var(--faint); font-weight: 700; }
.post-title { font-size: 14.5px; font-weight: 800; color: var(--ink); line-height: 1.4; letter-spacing: -0.2px; margin-bottom: 8px; }
.post-excerpt { font-size: 12px; color: var(--muted); line-height: 1.6; font-weight: 500; flex: 1; }
.post-cta {
  margin-top: 16px; display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  background: var(--ink); color: #fff; border: none; border-radius: 10px; padding: 10px;
  font-size: 12.5px; font-weight: 700; width: 100%;
}
.post-cta svg { width: 13px; height: 13px; }

/* ---------- Premium Quiz Slider section ---------- */
.quiz-hero-section { position: relative; }
.qz-head { display: flex; align-items: flex-end; justify-content: space-between; margin-bottom: 22px; gap: 16px; }
.qz-progress {
  flex-shrink: 0; background: var(--ink); color: #fff; font-size: 12.5px; font-weight: 700;
  padding: 9px 16px; border-radius: 12px; display: flex; align-items: center; gap: 4px;
}
.qz-progress b { font-size: 14px; }
.qz-slider { display: flex; gap: 16px; overflow-x: auto; scroll-snap-type: x mandatory; padding-bottom: 6px; -ms-overflow-style: none; scrollbar-width: none; }
.qz-slider::-webkit-scrollbar { display: none; }
.qz-card {
  flex: 0 0 320px; scroll-snap-align: start; position: relative; overflow: hidden;
  background: linear-gradient(165deg,#0a0e1c 0%,#1c1650 60%,#3454ff 140%);
  border-radius: var(--radius-lg); padding: 24px; color: #fff;
  box-shadow: 0 20px 40px -14px rgba(20,25,55,.28);
}
.qz-card-glow { position: absolute; width: 180px; height: 180px; border-radius: 50%; background: radial-gradient(circle,rgba(124,92,255,.4),transparent 70%); filter: blur(30px); top: -60px; right: -40px; pointer-events: none; }
.qz-card-top { position: relative; display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.qz-num { width: 34px; height: 34px; border-radius: 10px; background: rgba(255,255,255,.12); display: flex; align-items: center; justify-content: center; font-size: 13px; font-weight: 800; }
.qz-diff { font-size: 9.5px; font-weight: 800; letter-spacing: 0.4px; padding: 5px 10px; border-radius: 20px; text-transform: uppercase; }
.diff-easy { background: rgba(15,179,125,.18); color: #5eead4; }
.diff-medium { background: rgba(230,151,31,.18); color: #fbbf24; }
.diff-hard { background: rgba(239,68,68,.18); color: #fca5a5; }
.qz-question { position: relative; font-size: 15px; font-weight: 700; line-height: 1.5; letter-spacing: -0.2px; min-height: 70px; }
.qz-options { position: relative; margin-top: 18px; display: flex; flex-direction: column; gap: 8px; }
.qz-opt { display: flex; align-items: center; gap: 10px; background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.1); border-radius: 10px; padding: 9px 12px; font-size: 12px; font-weight: 600; color: #dfe3ff; cursor: pointer; transition: background .15s, border-color .15s, transform .1s; }
.qz-opt:hover { background: rgba(255,255,255,.1); }
.qz-opt:active { transform: scale(0.98); }
.qz-opt .qo-letter { width: 18px; height: 18px; border-radius: 50%; background: rgba(255,255,255,.12); display: flex; align-items: center; justify-content: center; font-size: 9.5px; font-weight: 800; flex-shrink: 0; transition: background .15s; }
.qz-opt .qo-check { margin-left: auto; width: 15px; height: 15px; flex-shrink: 0; display: none; }
.qz-card.answered .qz-opt { cursor: default; }
.qz-card.answered .qz-opt:hover { background: rgba(255,255,255,.06); }
.qz-opt.is-correct { background: rgba(15,179,125,.18); border-color: rgba(15,179,125,.5); color: #fff; }
.qz-opt.is-correct .qo-letter { background: #0fb37d; }
.qz-opt.is-correct .qo-check { display: block; color: #5eead4; }
.qz-opt.is-wrong { background: rgba(239,68,68,.16); border-color: rgba(239,68,68,.45); color: #fff; }
.qz-opt.is-wrong .qo-letter { background: #ef4444; }
.qz-opt.is-wrong .qo-check { display: block; color: #fca5a5; }
.qz-result { position: relative; margin-top: 12px; font-size: 11.5px; font-weight: 700; padding: 9px 12px; border-radius: 9px; display: none; align-items: center; gap: 6px; }
.qz-result svg { width: 14px; height: 14px; flex-shrink: 0; }
.qz-result.show { display: flex; }
.qz-result.res-correct { background: rgba(15,179,125,.16); color: #5eead4; }
.qz-result.res-wrong { background: rgba(239,68,68,.14); color: #fca5a5; }
.qz-tag { position: relative; margin-top: 16px; font-size: 10.5px; color: #9aa6e0; font-weight: 700; display: flex; align-items: center; gap: 5px; }
.qz-tag svg { width: 12px; height: 12px; flex-shrink: 0; }
.qz-dots { display: flex; justify-content: center; gap: 6px; margin-top: 18px; }
.qz-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--border); transition: background .2s, width .2s; }
.qz-dot.active { background: var(--blue); width: 20px; border-radius: 4px; }

/* ---------- Why Curra features ---------- */
.features-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 20px; }
.feature-card {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 26px; box-shadow: var(--shadow-sm); transition: transform .2s, box-shadow .2s;
}
.feature-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.feature-icon { width: 48px; height: 48px; border-radius: 14px; background: var(--grad-primary); display: flex; align-items: center; justify-content: center; margin-bottom: 16px; box-shadow: 0 10px 22px -6px var(--blue-glow); }
.feature-icon svg { width: 24px; height: 24px; color: #fff; }
.feature-card h4 { font-size: 15.5px; font-weight: 800; color: var(--ink); margin-bottom: 8px; letter-spacing: -0.2px; }
.feature-card p { font-size: 12.5px; color: var(--muted); line-height: 1.6; font-weight: 500; }

/* ---------- Three column ---------- */
.triple-grid { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 20px; }
.panel { background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg); box-shadow: var(--shadow-sm); padding: 24px; }
.panel h3 { font-size: 15.5px; font-weight: 800; color: var(--ink); margin-bottom: 16px; letter-spacing: -0.2px; }
.panel-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; }
.panel-head .view-all { font-size: 12px; padding: 0; }
.dl-row { display: flex; align-items: center; gap: 12px; padding: 11px 0; border-bottom: 1px solid var(--border); }
.dl-row:last-child { border-bottom: none; padding-bottom: 0; }
.dl-icon { width: 36px; height: 36px; border-radius: 10px; background: var(--blue-bg); color: var(--blue); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.dl-icon svg { width: 17px; height: 17px; }
.dl-title { font-size: 13px; font-weight: 700; color: var(--ink); }
.dl-date { font-size: 11px; color: var(--faint); margin-top: 1px; font-weight: 600; }
.dl-download { margin-left: auto; color: var(--faint); flex-shrink: 0; width: 32px; height: 32px; border-radius: 9px; display: flex; align-items: center; justify-content: center; transition: background .15s, color .15s; }
.dl-download:hover { background: var(--blue-bg); color: var(--blue); }
.dl-download svg { width: 16px; height: 16px; }

.quiz-panel { display: flex; flex-direction: column; align-items: flex-start; background: linear-gradient(165deg,#fff 0%,#f5f6ff 100%); }
.quiz-num { font-size: 46px; font-weight: 900; color: var(--ink); line-height: 1; margin-top: 2px; letter-spacing: -1.5px; }
.quiz-label { font-size: 13.5px; color: var(--muted); font-weight: 600; margin-bottom: 14px; }
.quiz-list { list-style: none; display: flex; flex-direction: column; gap: 9px; margin-bottom: 16px; }
.quiz-list li { font-size: 12.5px; color: var(--ink-soft); display: flex; align-items: center; gap: 8px; font-weight: 600; }
.quiz-list li svg { width: 14px; height: 14px; color: var(--green); flex-shrink: 0; }
.quiz-art { align-self: center; width: 110px; margin: 6px 0 16px; }
.btn-full { width: 100%; justify-content: center; }

.mcq-row { display: flex; align-items: flex-start; gap: 10px; padding: 11px 0; border-bottom: 1px solid var(--border); }
.mcq-row:last-child { border-bottom: none; padding-bottom: 0; }
.mcq-badge { width: 27px; height: 27px; border-radius: 8px; background: var(--blue-bg); color: var(--blue); display: flex; align-items: center; justify-content: center; flex-shrink: 0; font-size: 11px; font-weight: 800; }
.mcq-text { font-size: 12.5px; color: var(--ink-soft); line-height: 1.5; font-weight: 500; }
.mcq-text b { color: var(--ink); }
.mcq-chevron { margin-left: auto; color: var(--faint); flex-shrink: 0; padding-top: 4px; }
.mcq-chevron svg { width: 16px; height: 16px; }

/* ---------- App promo banner ---------- */
.app-banner {
  position: relative; margin-top: 64px; border-radius: 28px; overflow: hidden;
  background: linear-gradient(120deg,#0a0e1c 0%,#1c1650 55%,#3454ff 130%);
  padding: 52px 48px; display: flex; align-items: center; justify-content: space-between; gap: 32px;
}
.app-banner-glow { position: absolute; width: 340px; height: 340px; border-radius: 50%; background: radial-gradient(circle,rgba(124,92,255,.45),transparent 70%); filter: blur(50px); top: -100px; right: -60px; }
.app-banner-content { position: relative; z-index: 1; max-width: 480px; }
.app-banner-content .badge { background: rgba(255,255,255,.1); color: #c7d0ff; border: 1px solid rgba(255,255,255,.15); }
.app-banner-content .badge .dot { background: rgba(255,255,255,.18); }
.app-banner h2 { font-size: 30px; font-weight: 800; color: #fff; letter-spacing: -0.7px; line-height: 1.2; }
.app-banner p { font-size: 14px; color: #b8bedb; margin-top: 12px; line-height: 1.6; font-weight: 500; }
.app-banner-cta { display: flex; gap: 12px; margin-top: 26px; }
.app-store-btn {
  display: flex; align-items: center; gap: 9px; background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.16); color: #fff; border-radius: 12px; padding: 10px 16px;
}
.app-store-btn svg { width: 20px; height: 20px; }
.app-store-btn .lines { display: flex; flex-direction: column; line-height: 1.25; }
.app-store-btn small { font-size: 8.5px; opacity: 0.7; font-weight: 600; }
.app-store-btn strong { font-size: 12.5px; font-weight: 700; }
.app-phone { position: relative; z-index: 1; flex-shrink: 0; }
.app-phone svg { width: 170px; height: auto; filter: drop-shadow(0 30px 50px rgba(0,0,0,.4)); }

/* ---------- Social follow section ---------- */
.social-section { display: block; padding-top: 0; }
.social-grid { display: grid; grid-template-columns: repeat(5,1fr); gap: 16px; }
.social-card {
  display: flex; flex-direction: column; align-items: center; text-align: center; gap: 9px;
  background: linear-gradient(165deg,#fff 0%,#fbfbff 100%); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 24px 16px;
  box-shadow: var(--shadow-sm); transition: transform .2s,box-shadow .2s;
}
.social-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); }
.social-card:active { transform: scale(0.97); }
.social-icon { width: 50px; height: 50px; border-radius: 15px; display: flex; align-items: center; justify-content: center; color: #fff; }
.social-icon svg { width: 24px; height: 24px; }
.sc-youtube .social-icon { background: #ff0000; }
.sc-telegram .social-icon { background: #29a9eb; }
.sc-facebook .social-icon { background: #1877f2; }
.sc-instagram .social-icon { background: linear-gradient(135deg,#f58529,#dd2a7b,#8134af); }
.sc-x .social-icon { background: #0a0e1c; }
.social-name { font-size: 14px; font-weight: 800; color: var(--ink); letter-spacing: -0.2px; }
.social-handle { font-size: 11.5px; color: var(--muted); font-weight: 600; }
.sc-text { display: flex; flex-direction: column; gap: 2px; }

/* ---------- Responsive Desktop ---------- */
@media (max-width:1024px) {
  .hero h1 { font-size: 38px; }
  .topics-grid { grid-template-columns: repeat(5,1fr); }
  .features-grid { grid-template-columns: repeat(2,1fr); }
  .app-phone { display: none; }
}