/* Got Stripes — interactive site */
:root {
  --bg: #07101f;
  --bg-2: #0d1a2e;
  --bg-3: #142540;
  --ink: #f3ecd8;
  --ink-dim: #c3b9a0;
  --muted: #6e7e98;
  --line: #1b2c47;
  --gold: #f5c518;
  --gold-hot: #ffd633;
  --gold-deep: #b88c00;
  --siren: oklch(0.68 0.21 28);
  --siren-glow: oklch(0.72 0.22 30 / 0.5);
  --green: oklch(0.74 0.17 145);
  --red: oklch(0.65 0.22 25);
  --display: "Archivo", system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, monospace;
  --serif: "Newsreader", Georgia, serif;
}
* { box-sizing: border-box; }
html {
  overflow-x: clip;
  -webkit-text-size-adjust: 100%;
}
html, body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--display);
  font-feature-settings: "ss01", "cv11", "tnum";
  -webkit-font-smoothing: antialiased;
}
body {
  background:
    radial-gradient(1200px 800px at 80% -10%, rgba(245,197,24,0.06), transparent 60%),
    radial-gradient(900px 700px at -10% 30%, rgba(245,197,24,0.04), transparent 60%),
    var(--bg);
  overflow-x: clip;
}
#root {
  width: 100%;
  max-width: 100%;
  overflow-x: clip;
}
img, video, svg { max-width: 100%; height: auto; }
::selection { background: var(--gold); color: #0a0a0a; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; cursor: pointer; }

/* ---------- Top chrome ---------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 32px;
  background: linear-gradient(180deg, rgba(7,16,31,0.92), rgba(7,16,31,0.6) 70%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s;
}
.nav.scrolled { border-bottom-color: var(--line); }
.brand { display: flex; align-items: center; gap: 12px; }
.brand-mark {
  width: 52px; height: 52px;
  border-radius: 12px;
  overflow: hidden;
  display: block;
  box-shadow: 0 0 0 1px var(--line), 0 10px 30px -12px rgba(0,0,0,0.6);
  transition: transform 0.2s, box-shadow 0.2s;
}
.brand-mark img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
}
.brand:hover .brand-mark {
  transform: rotate(-3deg) scale(1.03);
  box-shadow: 0 0 0 1px var(--gold), 0 14px 36px -10px rgba(245,197,24,0.4);
}
.brand { gap: 14px; }
.brand-text {
  font-family: var(--display);
  font-weight: 900;
  font-size: 30px;
  letter-spacing: -0.02em;
  line-height: 1;
  color: #fff;
}
.brand-text span { color: var(--gold); }
.brand:hover .brand-text span { color: var(--gold-hot); }
.nav-right { display: flex; align-items: center; gap: 24px; font-size: 13px; color: var(--ink-dim); }
.nav-right a { transition: color 0.2s; }
.nav-right a:hover { color: var(--gold); }
.nav-cta {
  padding: 9px 16px; border-radius: 999px;
  background: var(--gold); color: #0a0a0a;
  font-weight: 700; font-size: 13px;
  letter-spacing: 0.02em;
  display: inline-flex; align-items: center; gap: 8px;
}
.nav-cta:hover { background: var(--gold-hot); }

/* ---------- App Store buttons ---------- */
.app-store-btn {
  display: inline-flex; align-items: center; gap: 12px;
  padding: 13px 22px 13px 18px;
  background: #0a0a0a;
  color: #fff;
  border-radius: 12px;
  border: 1px solid #1a1a1a;
  text-decoration: none;
  transition: transform 0.15s, box-shadow 0.2s, border-color 0.2s;
  box-shadow: 0 10px 30px -12px rgba(0,0,0,0.6);
}
.app-store-btn:hover {
  transform: translateY(-2px);
  border-color: var(--gold);
  box-shadow: 0 16px 40px -12px rgba(245,197,24,0.3);
}
.app-store-btn span {
  display: flex; flex-direction: column; align-items: flex-start;
  line-height: 1;
}
.app-store-btn small {
  font-size: 10px; letter-spacing: 0.06em;
  color: #bdbdbd; margin-bottom: 4px;
  font-family: var(--display); font-weight: 500;
  text-transform: uppercase;
}
.app-store-btn strong {
  font-family: var(--display);
  font-size: 19px; font-weight: 700;
  letter-spacing: -0.005em;
  color: #fff;
}
.app-store-btn.lg {
  padding: 18px 28px 18px 22px;
  border-radius: 14px;
}
.app-store-btn.lg small { font-size: 11px; margin-bottom: 5px; }
.app-store-btn.lg strong { font-size: 24px; }

/* hero microcopy under CTAs */
.hero-microcopy {
  margin-top: 18px;
  display: flex; flex-wrap: wrap; gap: 8px 22px;
  font-family: var(--mono); font-size: 11px;
  color: var(--ink-dim); letter-spacing: 0.06em;
  text-transform: uppercase;
}
.hero-microcopy span { display: inline-flex; align-items: center; gap: 8px; }

/* ---------- Sections ---------- */
section { padding: 0 32px; position: relative; }
.wrap { max-width: 1240px; width: 100%; margin: 0 auto; }
.eyebrow {
  font-family: var(--mono); font-size: 11px;
  letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--gold);
}
.kicker {
  font-family: var(--mono); font-size: 12px; color: var(--muted);
  letter-spacing: 0.14em; text-transform: uppercase;
}

/* ---------- Hero ---------- */
.hero {
  min-height: 92vh;
  padding-top: 60px; padding-bottom: 80px;
  display: flex; flex-direction: column; justify-content: center;
  position: relative;
}
.hero-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: radial-gradient(ellipse at 60% 40%, black 30%, transparent 75%);
  opacity: 0.4;
  pointer-events: none;
}
.hero-inner { position: relative; z-index: 1; display: grid; grid-template-columns: 1.3fr 0.9fr; gap: 60px; align-items: center; }
@media (max-width: 980px) { .hero-inner { grid-template-columns: 1fr; } }

.hero-tag {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 6px 12px; border-radius: 999px;
  border: 1px solid var(--line); background: rgba(255,255,255,0.02);
  font-family: var(--mono); font-size: 11px; color: var(--ink-dim);
  letter-spacing: 0.14em; text-transform: uppercase;
  margin-bottom: 28px;
}
.dot-live { width: 6px; height: 6px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 0 var(--green); animation: pulse 1.8s infinite; }
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(115,200,140,0.5); }
  70% { box-shadow: 0 0 0 8px rgba(115,200,140,0); }
  100% { box-shadow: 0 0 0 0 rgba(115,200,140,0); }
}

.hero h1 {
  font-family: var(--display);
  font-weight: 800;
  font-size: clamp(48px, 7.4vw, 108px);
  line-height: 0.92;
  letter-spacing: -0.035em;
  margin: 0 0 32px;
}
.hero h1 .line { display: block; overflow: hidden; }
.hero h1 .line > span { display: inline-block; }
.hero h1 em { font-style: normal; color: var(--gold); position: relative; }
.hero h1 em::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0.08em;
  height: 4px; background: var(--gold); opacity: 0.18;
}

.hero-rotator {
  font-family: var(--mono); font-size: 13px;
  display: flex; align-items: baseline; gap: 14px;
  color: var(--ink-dim);
  margin-bottom: 20px;
  min-height: 22px;
}
.rotator-cite { overflow-wrap: anywhere; }
.rotator-label { color: var(--muted); letter-spacing: 0.14em; text-transform: uppercase; font-size: 10px; }
.rotator-cite { color: var(--gold); }
.rotator-text { color: var(--ink); }

.hero-sub {
  font-family: var(--serif);
  font-size: clamp(18px, 1.6vw, 22px);
  line-height: 1.5; color: var(--ink-dim);
  max-width: 520px; margin: 0 0 36px;
}
.hero-sub b { color: var(--ink); font-weight: 600; }

.cta-row { display: flex; gap: 14px; align-items: center; flex-wrap: wrap; }
.btn-primary {
  background: var(--gold); color: #0a0a0a;
  padding: 16px 26px; border-radius: 12px;
  border: 0; font-weight: 800; font-size: 14px;
  letter-spacing: 0.04em; text-transform: uppercase;
  box-shadow: 0 10px 30px -10px var(--gold);
  display: inline-flex; align-items: center; gap: 10px;
  transition: transform 0.15s, box-shadow 0.2s;
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 16px 40px -12px var(--gold); }
.btn-primary .arrow { transition: transform 0.2s; }
.btn-primary:hover .arrow { transform: translateX(3px); }
.btn-ghost {
  padding: 16px 22px; border-radius: 12px;
  border: 1px solid var(--line); background: transparent;
  color: var(--ink); font-weight: 600; font-size: 13px;
  letter-spacing: 0.06em; text-transform: uppercase;
  display: inline-flex; align-items: center; gap: 10px;
}
.btn-ghost:hover { border-color: var(--gold); color: var(--gold); }

.hero-stats {
  margin-top: 56px;
  display: grid; grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line);
  padding-top: 28px;
  gap: 24px;
}
.stat-num {
  font-family: var(--display); font-weight: 800;
  font-size: clamp(28px, 3vw, 40px); letter-spacing: -0.02em;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}
.stat-num .unit { color: var(--gold); }
.stat-label { font-family: var(--mono); font-size: 10px; color: var(--muted); letter-spacing: 0.12em; text-transform: uppercase; margin-top: 4px; }

/* ---------- Badge stack (hero right) ---------- */
.badge-stack {
  position: relative;
  height: 540px;
}
.badge-card {
  position: absolute;
  width: 100%;
  background: linear-gradient(180deg, var(--bg-2), var(--bg));
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 22px;
  box-shadow: 0 30px 80px -30px rgba(0,0,0,0.6);
  transition: transform 0.3s;
}
.bc-cite {
  width: 56px; height: 56px;
  border-radius: 12px;
  display: grid; place-items: center;
  background: var(--bg-3);
  border: 1px solid var(--line);
  color: var(--gold); font-family: var(--mono);
  font-weight: 700; font-size: 11px;
  line-height: 1;
  text-align: center;
}
.bc-top { display: flex; gap: 14px; align-items: center; }
.bc-meta { font-family: var(--mono); font-size: 10px; color: var(--muted); letter-spacing: 0.1em; text-transform: uppercase; }
.bc-title { font-weight: 700; font-size: 18px; margin-top: 4px; letter-spacing: -0.01em; }
.bc-body { color: var(--ink-dim); font-family: var(--serif); font-size: 14px; line-height: 1.5; margin-top: 14px; }
.bc-tags { display: flex; gap: 6px; margin-top: 14px; flex-wrap: wrap; }
.bc-tag { font-family: var(--mono); font-size: 10px; color: var(--ink-dim); padding: 3px 8px; border-radius: 4px; background: var(--bg-3); }

.badge-card.b1 { top: 0; transform: rotate(-3deg) translateX(-10px); z-index: 1; }
.badge-card.b2 { top: 80px; transform: rotate(1.5deg) translateX(20px); z-index: 2; }
.badge-card.b3 { top: 200px; transform: rotate(-1deg); z-index: 3; }
.badge-card.b4 { top: 340px; transform: rotate(2deg) translateX(-6px); z-index: 4; }
.badge-stack:hover .badge-card.b1 { transform: rotate(-5deg) translateX(-30px); }
.badge-stack:hover .badge-card.b2 { transform: rotate(3deg) translateX(40px); }
.badge-stack:hover .badge-card.b4 { transform: rotate(4deg) translateX(-14px); }

/* ---------- Ticker ---------- */
.ticker {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--bg-2);
  overflow: hidden;
  white-space: nowrap;
  position: relative;
}
.ticker-track {
  display: inline-flex; gap: 64px;
  padding: 18px 0;
  animation: tick 60s linear infinite;
  font-family: var(--mono); font-size: 13px;
  letter-spacing: 0.05em;
}
.ticker:hover .ticker-track { animation-play-state: paused; }
.ticker-item { color: var(--ink-dim); display: inline-flex; gap: 10px; align-items: center; }
.ticker-item b { color: var(--gold); font-weight: 600; }
.ticker-sep { color: var(--line); }
@keyframes tick {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ---------- Section title ---------- */
.s-head {
  display: grid; grid-template-columns: 1fr auto; gap: 24px;
  align-items: end;
  padding: 100px 0 40px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 48px;
}
.s-head h2 {
  font-family: var(--display);
  font-size: clamp(40px, 5vw, 72px);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 0.95;
  margin: 16px 0 0;
}
.s-head h2 em { font-style: normal; color: var(--gold); }
.s-head .s-meta { font-family: var(--mono); font-size: 11px; color: var(--muted); letter-spacing: 0.14em; text-transform: uppercase; align-self: end; padding-bottom: 6px; }
.s-num { font-family: var(--mono); font-size: 12px; color: var(--gold); letter-spacing: 0.18em; }

/* ---------- Quiz demo ---------- */
.quiz {
  display: grid; grid-template-columns: 0.85fr 1.15fr; gap: 40px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: linear-gradient(180deg, var(--bg-2), var(--bg));
  padding: 36px;
  position: relative;
  overflow: hidden;
}
@media (max-width: 900px) { .quiz { grid-template-columns: 1fr; } }
.quiz::before {
  content: ""; position: absolute; top: -100px; right: -100px;
  width: 360px; height: 360px;
  background: radial-gradient(circle, rgba(245,197,24,0.07), transparent 70%);
  pointer-events: none;
}
.quiz-side { display: flex; flex-direction: column; gap: 22px; }
.quiz-mode {
  display: flex; gap: 6px; padding: 5px;
  background: var(--bg-3); border-radius: 10px;
  border: 1px solid var(--line);
  width: fit-content;
}
.quiz-mode button {
  background: transparent; border: 0; border-radius: 7px;
  padding: 8px 14px; font-family: var(--mono); font-size: 11px;
  letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-dim);
  transition: all 0.2s;
}
.quiz-mode button.on { background: var(--gold); color: #0a0a0a; font-weight: 700; }

.quiz-meta {
  display: grid; gap: 14px;
}
.quiz-stat {
  display: flex; justify-content: space-between; align-items: baseline;
  padding-bottom: 10px; border-bottom: 1px dashed var(--line);
  font-family: var(--mono); font-size: 11px; color: var(--muted);
  letter-spacing: 0.1em; text-transform: uppercase;
}
.quiz-stat b { color: var(--ink); font-size: 14px; font-weight: 700; letter-spacing: 0; text-transform: none; font-variant-numeric: tabular-nums; }

.quiz-progress {
  height: 6px; background: var(--bg-3); border-radius: 999px; overflow: hidden;
}
.quiz-progress > div {
  height: 100%; background: linear-gradient(90deg, var(--gold), var(--gold-hot));
  transition: width 0.4s cubic-bezier(.2,.8,.2,1);
}

.quiz-card { display: flex; flex-direction: column; min-height: 380px; }
.quiz-q-cite {
  display: flex; align-items: center; justify-content: space-between;
  font-family: var(--mono); font-size: 11px;
  letter-spacing: 0.14em; text-transform: uppercase;
  margin-bottom: 14px;
}
.quiz-q-cite .cite-tag { color: var(--gold); }
.quiz-q-cite .diff { color: var(--muted); display: flex; gap: 4px; align-items: center; }
.quiz-q-cite .diff i { width: 6px; height: 6px; border-radius: 50%; background: var(--line); display: inline-block; }
.quiz-q-cite .diff i.on { background: var(--gold); }

.quiz-q {
  font-family: var(--serif);
  font-size: clamp(20px, 2vw, 26px);
  line-height: 1.35;
  margin-bottom: 24px;
  letter-spacing: -0.005em;
}
.quiz-q mark { background: rgba(245,197,24,0.18); color: var(--ink); padding: 0 4px; border-radius: 3px; }

.choices { display: grid; gap: 10px; }
.choice {
  display: grid; grid-template-columns: 28px 1fr auto;
  gap: 14px; align-items: center;
  padding: 16px 18px;
  border: 1px solid var(--line); border-radius: 12px;
  background: var(--bg-2);
  text-align: left;
  font-size: 15px; line-height: 1.4;
  transition: all 0.18s;
}
.choice:hover { border-color: var(--ink-dim); transform: translateX(2px); }
.choice .letter {
  width: 28px; height: 28px; border-radius: 7px;
  background: var(--bg-3); color: var(--ink-dim);
  font-family: var(--mono); font-weight: 700; font-size: 12px;
  display: grid; place-items: center;
  border: 1px solid var(--line);
}
.choice.selected { border-color: var(--gold); background: rgba(245,197,24,0.06); }
.choice.selected .letter { background: var(--gold); color: #0a0a0a; border-color: var(--gold); }
.choice.correct { border-color: var(--green); background: oklch(0.74 0.17 145 / 0.08); }
.choice.correct .letter { background: var(--green); color: #0a0a0a; border-color: var(--green); }
.choice.wrong { border-color: var(--red); background: oklch(0.65 0.22 25 / 0.08); }
.choice.wrong .letter { background: var(--red); color: #0a0a0a; border-color: var(--red); }
.choice .verdict { font-family: var(--mono); font-size: 10px; color: var(--muted); letter-spacing: 0.1em; text-transform: uppercase; }
.choice.correct .verdict { color: var(--green); }
.choice.wrong .verdict { color: var(--red); }

.quiz-result {
  margin-top: 20px;
  padding: 16px 18px;
  background: var(--bg-3); border-radius: 12px;
  border-left: 3px solid var(--gold);
  font-family: var(--serif); font-size: 15px; line-height: 1.55;
  color: var(--ink-dim);
}
.quiz-result b { color: var(--ink); }
.quiz-result .src { display: block; margin-top: 8px; font-family: var(--mono); font-size: 10px; color: var(--muted); letter-spacing: 0.12em; text-transform: uppercase; }

.quiz-foot {
  display: flex; justify-content: space-between; margin-top: 20px; align-items: center;
}
.btn-next {
  background: var(--gold); color: #0a0a0a; border: 0; border-radius: 10px;
  padding: 12px 20px; font-weight: 700; font-size: 13px; letter-spacing: 0.05em;
  text-transform: uppercase; display: inline-flex; align-items: center; gap: 8px;
}
.btn-next:disabled { opacity: 0.4; cursor: not-allowed; }
.quiz-key { font-family: var(--mono); font-size: 10px; color: var(--muted); letter-spacing: 0.12em; text-transform: uppercase; }
.quiz-key kbd { background: var(--bg-3); border: 1px solid var(--line); border-bottom-width: 2px; padding: 2px 6px; border-radius: 4px; color: var(--ink); font-family: inherit; }

/* ---------- Modules grid ---------- */
.mods { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
@media (max-width: 980px) { .mods { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) {
  .mods { grid-template-columns: 1fr; }
  .mod { border-right: 0; border-bottom: 1px solid var(--line); }
  .mod:last-child { border-bottom: 0; }
}
.mod {
  padding: 28px 24px 32px;
  border-right: 1px solid var(--line);
  position: relative;
  cursor: pointer;
  transition: background 0.2s;
}
.mod:last-child { border-right: 0; }
.mod:hover { background: var(--bg-2); }
.mod-num { font-family: var(--mono); font-size: 11px; color: var(--gold); letter-spacing: 0.18em; }
.mod h3 { font-family: var(--display); font-weight: 800; font-size: 28px; letter-spacing: -0.02em; margin: 8px 0 6px; }
.mod-tag { font-family: var(--mono); font-size: 10px; color: var(--muted); letter-spacing: 0.12em; text-transform: uppercase; }
.mod-body { font-family: var(--serif); font-size: 14.5px; line-height: 1.5; color: var(--ink-dim); margin: 18px 0 22px; }
.mod-cnt { font-family: var(--display); font-weight: 800; font-size: 56px; letter-spacing: -0.04em; color: var(--ink); line-height: 1; font-variant-numeric: tabular-nums; }
.mod-cnt span { font-size: 18px; color: var(--gold); font-weight: 700; }
.mod-bottom { display: flex; justify-content: space-between; align-items: flex-end; }
.mod-arrow {
  width: 36px; height: 36px; border-radius: 50%;
  border: 1px solid var(--line);
  display: grid; place-items: center;
  transition: all 0.2s;
}
.mod:hover .mod-arrow { background: var(--gold); border-color: var(--gold); color: #0a0a0a; transform: rotate(-45deg); }

/* ---------- Drill / scenario / streak ---------- */
.tools {
  display: grid; grid-template-columns: 1.2fr 1fr 1fr; gap: 24px;
}
@media (max-width: 900px) { .tools { grid-template-columns: 1fr; } }
.tool {
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 26px;
  background: linear-gradient(180deg, var(--bg-2), var(--bg));
  position: relative;
  overflow: hidden;
}
.tool h3 { font-size: 22px; letter-spacing: -0.015em; margin: 12px 0 6px; font-weight: 800; }
.tool p { font-family: var(--serif); color: var(--ink-dim); font-size: 14px; line-height: 1.5; margin: 0 0 18px; }

.heatmap { display: grid; grid-template-columns: repeat(20, 1fr); gap: 4px; }
.heatmap i {
  aspect-ratio: 1; border-radius: 3px;
  background: var(--bg-3);
  transition: transform 0.2s;
}
.heatmap i.l1 { background: rgba(245,197,24,0.2); }
.heatmap i.l2 { background: rgba(245,197,24,0.45); }
.heatmap i.l3 { background: rgba(245,197,24,0.7); }
.heatmap i.l4 { background: var(--gold); }
.heatmap i:hover { transform: scale(1.4); }
.heat-legend { display: flex; justify-content: space-between; margin-top: 14px; font-family: var(--mono); font-size: 10px; color: var(--muted); letter-spacing: 0.1em; text-transform: uppercase; }

.timer-ring { display: flex; align-items: center; gap: 18px; }
.timer-ring svg { width: 84px; height: 84px; transform: rotate(-90deg); }
.timer-ring .ring-bg { fill: none; stroke: var(--bg-3); stroke-width: 8; }
.timer-ring .ring-fg { fill: none; stroke: var(--gold); stroke-width: 8; stroke-linecap: round; transition: stroke-dasharray 0.6s; }
.timer-big { font-family: var(--mono); font-weight: 700; font-size: 32px; color: var(--ink); font-variant-numeric: tabular-nums; letter-spacing: -0.02em; }
.timer-sub { font-family: var(--mono); font-size: 10px; color: var(--muted); letter-spacing: 0.12em; text-transform: uppercase; margin-top: 4px; }

.scenario-tree { font-family: var(--mono); font-size: 12px; line-height: 1.9; color: var(--ink-dim); }
.scenario-tree .pick { color: var(--gold); cursor: pointer; transition: color 0.2s; }
.scenario-tree .pick:hover { color: var(--gold-hot); text-decoration: underline; }
.scenario-tree .picked { color: var(--ink); border-bottom: 1px dashed var(--gold); padding-bottom: 1px; }
.scenario-tree .outcome { color: var(--green); }
.scenario-tree .outcome-bad { color: var(--red); }
.scenario-step { padding-left: 18px; border-left: 1px solid var(--line); margin-left: 4px; }

/* ---------- Download section ---------- */
.download-card {
  margin-top: 60px;
  display: grid; grid-template-columns: 1.15fr 0.85fr;
  gap: 40px;
  align-items: center;
  background: linear-gradient(180deg, var(--bg-2), var(--bg-3));
  border: 1px solid var(--line);
  border-radius: 28px;
  padding: 60px 60px 60px 60px;
  position: relative;
  overflow: hidden;
}
@media (max-width: 900px) {
  .download-card { grid-template-columns: 1fr; padding: 36px; gap: 32px; }
}
.dl-bg-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(245,197,24,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(245,197,24,0.06) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at 30% 30%, black 30%, transparent 70%);
  pointer-events: none;
}
.dl-content { position: relative; z-index: 1; }
.dl-title {
  font-family: var(--display);
  font-weight: 800;
  font-size: clamp(40px, 5vw, 64px);
  line-height: 0.95;
  letter-spacing: -0.035em;
  margin: 16px 0 22px;
}
.dl-title em { font-style: normal; color: var(--gold); }
.dl-sub {
  font-family: var(--serif);
  font-size: clamp(16px, 1.4vw, 19px);
  line-height: 1.55;
  color: var(--ink-dim);
  max-width: 520px;
  margin: 0 0 28px;
}
.dl-rating {
  display: inline-flex; align-items: center; gap: 18px;
  padding: 14px 18px;
  background: rgba(0,0,0,0.3);
  border: 1px solid var(--line);
  border-radius: 14px;
  margin-bottom: 32px;
}
.rating-stars { display: inline-flex; gap: 3px; }
.rating-num {
  font-family: var(--display); font-weight: 800;
  font-size: 24px; letter-spacing: -0.01em;
  color: var(--ink);
  line-height: 1;
}
.rating-meta {
  font-family: var(--mono); font-size: 10px;
  color: var(--muted); letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-top: 4px;
}
.dl-cta-row {
  display: flex; align-items: center; gap: 28px;
  flex-wrap: wrap;
}
.dl-meta {
  display: grid; gap: 6px;
  font-family: var(--mono); font-size: 11px;
  color: var(--ink-dim); letter-spacing: 0.04em;
  text-transform: uppercase;
}
.dl-meta-row { display: inline-flex; align-items: center; gap: 8px; }

/* phone mockup */
.dl-phone {
  position: relative; z-index: 1;
  display: flex; justify-content: center;
}
.phone-frame {
  width: 280px; height: 580px;
  background: #0a0a0a;
  border-radius: 44px;
  padding: 8px;
  box-shadow:
    0 0 0 2px #1c1c1c,
    0 30px 80px -20px rgba(0,0,0,0.7),
    0 0 60px -10px rgba(245,197,24,0.15);
  position: relative;
  transform: rotate(-2deg);
  transition: transform 0.4s;
}
.phone-frame:hover { transform: rotate(0deg) translateY(-4px); }
.phone-notch {
  position: absolute; top: 18px; left: 50%; transform: translateX(-50%);
  width: 90px; height: 26px; background: #0a0a0a;
  border-radius: 999px; z-index: 2;
}
.phone-screen {
  width: 100%; height: 100%;
  background: var(--bg);
  border-radius: 36px;
  overflow: hidden;
  position: relative;
  display: flex; flex-direction: column;
  color: var(--ink);
}
.ps-status {
  display: flex; justify-content: space-between;
  padding: 14px 24px 0;
  font-family: var(--display); font-weight: 600; font-size: 13px;
  color: var(--ink);
}
.ps-app {
  padding: 38px 18px 18px;
  flex: 1;
  display: flex; flex-direction: column;
  gap: 12px;
}
.ps-app-head {
  display: flex; align-items: center; gap: 10px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}
.ps-app-head img {
  width: 36px; height: 36px; border-radius: 8px;
}
.ps-app-title {
  font-family: var(--display); font-weight: 800;
  font-size: 14px; letter-spacing: -0.01em;
  color: var(--ink);
}
.ps-app-sub {
  font-family: var(--mono); font-size: 8px;
  color: var(--muted); letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-top: 2px;
}
.ps-tab-row { display: flex; gap: 6px; }
.ps-tab {
  padding: 5px 10px; border-radius: 6px;
  background: var(--bg-3);
  font-family: var(--mono); font-size: 9px;
  color: var(--ink-dim); letter-spacing: 0.06em;
  text-transform: uppercase;
}
.ps-tab.on { background: var(--gold); color: #0a0a0a; font-weight: 700; }
.ps-cite {
  font-family: var(--mono); font-size: 9px;
  color: var(--gold); letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-top: 4px;
}
.ps-q {
  font-family: var(--serif); font-size: 13px;
  line-height: 1.35;
  color: var(--ink);
}
.ps-choice {
  padding: 9px 11px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--bg-2);
  font-size: 11px;
  color: var(--ink);
}
.ps-choice.correct {
  border-color: var(--green);
  background: oklch(0.74 0.17 145 / 0.1);
  color: var(--green);
  font-weight: 600;
}
.ps-bar {
  height: 4px; background: var(--bg-3); border-radius: 999px; overflow: hidden;
  margin-top: 4px;
}
.ps-bar div {
  width: 56%; height: 100%;
  background: linear-gradient(90deg, var(--gold), var(--gold-hot));
}
.ps-foot {
  display: flex; justify-content: space-between;
  font-family: var(--mono); font-size: 9px;
  color: var(--muted); letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-top: auto;
}
.ps-tabbar {
  display: flex; justify-content: space-around;
  padding: 12px 18px 14px;
  border-top: 1px solid var(--line);
  background: var(--bg-2);
  color: var(--muted);
}
.ps-tabbar .tb.on { color: var(--gold); }

/* ---------- Pricing ---------- */
.pricing-wrap {
  display: grid; grid-template-columns: 1.1fr 0.9fr 0.9fr; gap: 18px;
}
@media (max-width: 900px) { .pricing-wrap { grid-template-columns: 1fr; } }
.price-card {
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 30px;
  background: linear-gradient(180deg, var(--bg-2), var(--bg));
  position: relative;
}
.price-card.featured {
  border-color: var(--gold);
  background: linear-gradient(180deg, rgba(245,197,24,0.08), var(--bg) 60%);
}
.price-card.featured::before {
  content: "MOST POPULAR";
  position: absolute; top: -10px; right: 22px;
  font-family: var(--mono); font-size: 10px; letter-spacing: 0.16em;
  background: var(--gold); color: #0a0a0a; padding: 4px 10px; border-radius: 999px;
  font-weight: 700;
}
.price-name { font-family: var(--mono); font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--ink-dim); }
.price-amount {
  font-family: var(--display); font-weight: 800;
  font-size: 60px; letter-spacing: -0.04em;
  margin: 14px 0 2px; line-height: 1;
  font-variant-numeric: tabular-nums;
}
.price-amount sup { font-size: 22px; vertical-align: top; line-height: 1.4; color: var(--gold); margin-right: 2px; }
.price-amount .per { font-size: 14px; color: var(--muted); font-weight: 500; letter-spacing: 0; margin-left: 4px; }
.price-tag { color: var(--ink-dim); font-family: var(--serif); font-size: 14px; line-height: 1.5; margin: 6px 0 22px; }
.price-list { list-style: none; padding: 0; margin: 0 0 26px; display: grid; gap: 10px; }
.price-list li { display: grid; grid-template-columns: 16px 1fr; gap: 10px; align-items: flex-start; font-size: 14px; color: var(--ink-dim); }
.price-list li svg { margin-top: 4px; }
.price-list li.no { color: var(--muted); }
.price-list li.no svg { color: var(--muted); }
.price-cta {
  width: 100%; padding: 14px;
  border-radius: 10px; border: 1px solid var(--line);
  background: transparent; color: var(--ink); font-weight: 700;
  letter-spacing: 0.04em; text-transform: uppercase; font-size: 12px;
  display: block;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.2s;
}
.price-card.featured .price-cta { background: var(--gold); color: #0a0a0a; border-color: var(--gold); }
.price-cta:hover { border-color: var(--gold); color: var(--gold); }
.price-card.featured .price-cta:hover { background: var(--gold-hot); color: #0a0a0a; }

/* ---------- FAQ ---------- */
.faq { display: grid; gap: 0; border-top: 1px solid var(--line); }
.faq details {
  border-bottom: 1px solid var(--line);
  padding: 22px 0;
  cursor: pointer;
}
.faq details[open] summary .plus { transform: rotate(45deg); }
.faq summary {
  list-style: none;
  display: grid; grid-template-columns: 60px 1fr auto;
  gap: 18px; align-items: center;
  font-size: clamp(18px, 2vw, 24px); font-weight: 700; letter-spacing: -0.01em;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary .num { font-family: var(--mono); font-size: 11px; color: var(--gold); letter-spacing: 0.16em; }
.faq .plus {
  width: 32px; height: 32px; border-radius: 50%; border: 1px solid var(--line);
  display: grid; place-items: center; transition: transform 0.2s; color: var(--ink-dim);
}
.faq details[open] .plus { background: var(--gold); color: #0a0a0a; border-color: var(--gold); }
.faq-body {
  margin: 18px 0 0 78px; padding-right: 80px;
  font-family: var(--serif); color: var(--ink-dim); font-size: 16px; line-height: 1.6;
  max-width: 720px;
}

/* ---------- Disclaimer ---------- */
.disclaim {
  margin-top: 80px;
  padding: 36px;
  border: 1px solid var(--red);
  border-radius: 18px;
  background: oklch(0.65 0.22 25 / 0.05);
  position: relative;
}
.disclaim::before {
  content: "⚠"; position: absolute; top: -14px; left: 24px;
  width: 28px; height: 28px; border-radius: 50%;
  background: var(--red); color: #0a0a0a;
  display: grid; place-items: center; font-weight: 900; font-size: 14px;
}
.disclaim h3 { margin: 0 0 12px; font-size: 18px; font-weight: 800; letter-spacing: -0.01em; color: var(--red); font-family: var(--mono); text-transform: uppercase; letter-spacing: 0.14em; }
.disclaim p { font-family: var(--serif); color: var(--ink-dim); margin: 0 0 12px; font-size: 14.5px; line-height: 1.6; max-width: 920px; }
.disclaim p b { color: var(--ink); }

/* ---------- Footer ---------- */
footer {
  margin-top: 100px; padding: 48px 32px 36px;
  border-top: 1px solid var(--line);
}
footer .row {
  display: flex; justify-content: space-between; align-items: center; gap: 24px;
  font-family: var(--mono); font-size: 11px; color: var(--muted);
  letter-spacing: 0.12em; text-transform: uppercase;
  flex-wrap: wrap;
}
footer .row a { color: var(--ink-dim); }
footer .row a:hover { color: var(--gold); }
footer .links { display: flex; gap: 28px; }

/* utility */
.reveal { opacity: 0; transform: translateY(20px); transition: opacity 0.7s, transform 0.7s; }
.reveal.in { opacity: 1; transform: none; }

/* ---------- Mobile / tablet responsiveness ---------- */
.hero-inner > *,
.wrap,
.quiz,
.quiz-card,
.tool,
.download-card,
.download-card > *,
.s-head,
.price-card,
.faq summary {
  min-width: 0;
}

@media (max-width: 768px) {
  section { padding-left: 20px; padding-right: 20px; }

  footer {
    margin-top: 64px;
    padding: 36px 20px 28px;
  }

  /* Nav */
  .nav {
    padding: 14px 16px;
    gap: 12px;
  }
  .brand { gap: 10px; min-width: 0; }
  .brand-mark { width: 44px; height: 44px; flex-shrink: 0; }
  .brand-text { font-size: 20px; }
  .nav-right {
    gap: 10px;
    font-size: 12px;
    flex-shrink: 0;
  }
  .nav-right a:not(.nav-cta) { display: none; }

  /* Hero */
  .hero {
    min-height: auto;
    padding-top: 28px;
    padding-bottom: 48px;
  }
  .hero-inner { gap: 32px; }
  .hero-tag {
    font-size: 10px;
    flex-wrap: wrap;
    margin-bottom: 20px;
  }
  .hero h1 {
    font-size: clamp(36px, 10vw, 52px);
    margin-bottom: 24px;
  }
  .hero-rotator {
    flex-wrap: wrap;
    height: auto;
    gap: 6px 12px;
    margin-bottom: 16px;
  }
  .rotator-text { flex: 1 1 100%; }
  .hero-sub { max-width: none; font-size: 17px; margin-bottom: 28px; }
  .cta-row {
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
  }
  .cta-row .app-store-btn,
  .cta-row .btn-ghost {
    width: 100%;
    justify-content: center;
  }
  .hero-microcopy {
    flex-direction: column;
    gap: 8px;
    margin-top: 14px;
  }
  .hero-stats {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-top: 40px;
    padding-top: 24px;
  }

  /* Badge stack — static cards (no absolute overflow) */
  .badge-stack {
    height: auto;
    display: flex;
    flex-direction: column;
    gap: 14px;
    margin-top: 8px;
    overflow: hidden;
    max-width: 100%;
  }
  .badge-card {
    position: relative;
    top: auto !important;
    width: 100%;
    transform: none !important;
  }
  .badge-stack:hover .badge-card.b1,
  .badge-stack:hover .badge-card.b2,
  .badge-stack:hover .badge-card.b4 {
    transform: none !important;
  }

  /* Section headers */
  .s-head {
    grid-template-columns: 1fr;
    gap: 10px;
    padding: 56px 0 28px;
    margin-bottom: 32px;
  }
  .s-head .s-meta {
    align-self: start;
    padding-bottom: 0;
  }

  /* Quiz */
  .quiz {
    padding: 22px 18px;
    border-radius: 18px;
  }
  .quiz-mode {
    width: 100%;
    flex-wrap: wrap;
  }
  .quiz-mode button { flex: 1 1 auto; min-width: 0; }
  .quiz-card { min-height: 0; }
  .quiz-q-cite {
    flex-wrap: wrap;
    gap: 8px;
  }
  .choice {
    grid-template-columns: 28px 1fr;
    padding: 14px;
    font-size: 14px;
  }
  .choice .verdict {
    grid-column: 2;
    margin-top: 2px;
  }
  .quiz-foot {
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
  }
  .quiz-key { display: none; }
  .btn-next { width: 100%; justify-content: center; }

  /* Modules */
  .mod { padding: 22px 18px 26px; }
  .mod h3 { font-size: 24px; }
  .mod-cnt { font-size: 48px; }

  /* Tools */
  .tool { padding: 22px 18px; }
  .heatmap { gap: 3px; }
  .timer-ring { flex-wrap: wrap; }

  /* Download */
  .download-card {
    margin-top: 40px;
    padding: 28px 22px;
    gap: 28px;
    border-radius: 22px;
  }
  .dl-title { font-size: clamp(32px, 8vw, 44px); }
  .dl-rating {
    flex-wrap: wrap;
    gap: 12px;
    padding: 12px 14px;
    margin-bottom: 24px;
  }
  .dl-cta-row {
    flex-direction: column;
    align-items: stretch;
    gap: 16px;
  }
  .dl-cta-row .app-store-btn.lg { width: 100%; justify-content: center; }
  .phone-frame {
    width: min(260px, 100%);
    max-width: 100%;
    height: auto;
    aspect-ratio: 280 / 580;
  }

  /* Pricing */
  .price-card { padding: 24px 20px; }
  .price-amount { font-size: 48px; }

  /* FAQ */
  .faq summary {
    grid-template-columns: 44px 1fr auto;
    gap: 12px;
    font-size: 17px;
  }
  .faq-body {
    margin: 14px 0 0;
    padding: 0 0 0 56px;
    font-size: 15px;
  }
  .disclaim {
    margin-top: 48px;
    padding: 24px 18px;
  }

  /* Footer */
  footer .row {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }
  footer .links {
    flex-wrap: wrap;
    gap: 16px 24px;
  }
}

@media (max-width: 390px) {
  section { padding-left: 16px; padding-right: 16px; }

  .nav { padding: 12px 14px; }
  .brand-text { font-size: 17px; }
  .brand-mark { width: 40px; height: 40px; }

  .hero h1 { font-size: clamp(32px, 9.5vw, 40px); }
  .hero-stats { grid-template-columns: 1fr 1fr; gap: 12px; }
  .stat-num { font-size: 26px; }

  .app-store-btn { padding: 12px 16px 12px 14px; }
  .app-store-btn strong { font-size: 17px; }
  .app-store-btn.lg { padding: 14px 18px; }
  .app-store-btn.lg strong { font-size: 20px; }

  .quiz { padding: 18px 14px; }
  .s-head h2 { font-size: clamp(32px, 9vw, 40px); }

  .mod-cnt { font-size: 40px; }
  .price-amount { font-size: 42px; }

  .faq summary { grid-template-columns: 36px 1fr auto; }
  .faq-body { padding-left: 48px; }

  .phone-frame {
    width: 100%;
    max-width: 240px;
    aspect-ratio: 280 / 580;
    border-radius: 36px;
  }
}