:root {
  --bg: #f5f4ef;
  --surface: #ffffff;
  --ink: #23303a;
  --muted: #5d6b73;
  --line: #e3e0d6;
  --brand: #3f7d6e;
  --brand-dark: #2f6053;
  --brand-soft: #e7f1ee;
  --accent: #d98c5f;
  --danger: #b4534a;
  --radius: 16px;
  --shadow: 0 8px 30px rgba(35, 48, 58, 0.08);
  --maxw: 980px;
  font-synthesis: none;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.55;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a { color: var(--brand-dark); }

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 22px;
  border-bottom: 1px solid var(--line);
  background: var(--surface);
}
.brand {
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
  text-decoration: none;
  color: var(--brand-dark);
}
.ghost-link {
  font-size: 0.9rem;
  color: var(--muted);
  text-decoration: none;
}
.ghost-link:hover { color: var(--brand-dark); }

main {
  flex: 1;
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 28px 22px 64px;
}

.footer {
  border-top: 1px solid var(--line);
  background: var(--surface);
  text-align: center;
  padding: 18px;
}
.footer p { margin: 0; color: var(--muted); font-size: 0.82rem; max-width: 640px; margin-inline: auto; }

.loading { text-align: center; color: var(--muted); padding: 60px 0; }

/* ---- Hero / landing ---- */
.hero { text-align: center; padding: 18px 0 30px; }
.hero h1 {
  font-size: clamp(1.9rem, 5vw, 3rem);
  line-height: 1.12;
  margin: 0 0 12px;
  letter-spacing: -0.02em;
}
.hero p { font-size: 1.08rem; color: var(--muted); max-width: 620px; margin: 0 auto; }

.search-wrap { max-width: 460px; margin: 24px auto 6px; }
.search-wrap input {
  width: 100%;
  padding: 14px 16px;
  font-size: 1rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  outline: none;
}
.search-wrap input:focus { border-color: var(--brand); box-shadow: 0 0 0 3px var(--brand-soft); }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 16px;
  margin-top: 26px;
}
.topic-card {
  text-align: left;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
  cursor: pointer;
  transition: transform 0.12s ease, box-shadow 0.12s ease, border-color 0.12s;
  font: inherit;
  color: inherit;
}
.topic-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-color: var(--brand); }
.topic-card h3 { margin: 0 0 4px; font-size: 1.08rem; }
.topic-card .sub { color: var(--accent); font-size: 0.88rem; font-weight: 600; }
.topic-card p { margin: 10px 0 0; color: var(--muted); font-size: 0.9rem; }

/* ---- Cards / panels ---- */
.panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow);
}
.panel.narrow { max-width: 560px; margin: 0 auto; }

.eyebrow { color: var(--accent); font-weight: 700; font-size: 0.85rem; letter-spacing: 0.04em; text-transform: uppercase; }
h2.title { font-size: clamp(1.5rem, 4vw, 2.1rem); margin: 6px 0 4px; letter-spacing: -0.02em; }
.subtitle { color: var(--muted); font-size: 1.05rem; margin: 0 0 18px; }

.lead { font-size: 1.02rem; color: var(--ink); }

.bullets { list-style: none; padding: 0; margin: 14px 0; }
.bullets li { position: relative; padding-left: 26px; margin: 8px 0; color: var(--ink); }
.bullets li::before {
  content: "✓";
  position: absolute; left: 0; top: 0;
  color: var(--brand);
  font-weight: 800;
}

.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; margin-top: 8px; }
.two-col h4 { margin: 0 0 4px; }
@media (max-width: 640px) { .two-col { grid-template-columns: 1fr; } }

.preview-list { margin-top: 18px; border-top: 1px solid var(--line); }
.preview-day {
  display: flex;
  gap: 14px;
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
  font-size: 0.94rem;
}
.preview-day .d { color: var(--muted); min-width: 58px; font-weight: 600; }

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font: inherit;
  font-weight: 700;
  border: none;
  border-radius: 999px;
  padding: 14px 26px;
  cursor: pointer;
  background: var(--brand);
  color: #fff;
  transition: background 0.12s, transform 0.06s;
}
.btn:hover { background: var(--brand-dark); }
.btn:active { transform: translateY(1px); }
.btn[disabled] { opacity: 0.55; cursor: default; }
.btn.secondary { background: transparent; color: var(--brand-dark); border: 1px solid var(--line); }
.btn.secondary:hover { background: var(--brand-soft); }
.btn.danger { background: transparent; color: var(--danger); border: 1px solid var(--line); }
.btn.block { width: 100%; }
.btn.lg { padding: 16px 30px; font-size: 1.05rem; }

.actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 22px; }

.back {
  background: none; border: none; color: var(--muted);
  cursor: pointer; font: inherit; padding: 0; margin-bottom: 16px;
}
.back:hover { color: var(--brand-dark); }

/* ---- Funnel (one big question at a time) ---- */
.funnel { min-height: 56vh; display: flex; flex-direction: column; justify-content: center; max-width: 560px; margin: 0 auto; }
.funnel .step-q { font-size: clamp(1.5rem, 4vw, 2.2rem); font-weight: 700; letter-spacing: -0.02em; margin-bottom: 22px; }
.funnel input[type=text], .funnel input[type=email], .funnel input[type=password], .funnel .code-input {
  width: 100%;
  font-size: 1.4rem;
  padding: 16px 4px;
  border: none;
  border-bottom: 2px solid var(--line);
  background: transparent;
  outline: none;
  color: var(--ink);
}
.funnel input:focus { border-color: var(--brand); }
.funnel .hint { color: var(--muted); margin-top: 14px; font-size: 0.92rem; }
.code-input { letter-spacing: 0.5em; text-align: center; font-weight: 700; }
.progress-dots { display: flex; gap: 8px; margin-bottom: 28px; }
.progress-dots span { width: 28px; height: 4px; border-radius: 4px; background: var(--line); }
.progress-dots span.on { background: var(--brand); }

.choice-row { display: flex; align-items: center; gap: 10px; margin: 14px 0; font-size: 1rem; }
.choice-row input { width: 18px; height: 18px; accent-color: var(--brand); }

/* ---- Dare interface ---- */
.dare-stage { text-align: center; max-width: 620px; margin: 0 auto; }
.dare-meta { color: var(--muted); font-weight: 600; letter-spacing: 0.04em; text-transform: uppercase; font-size: 0.8rem; }
.dare-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 40px 30px;
  margin: 18px 0;
}
.dare-text { font-size: clamp(1.3rem, 4vw, 1.9rem); font-weight: 700; line-height: 1.3; }
.dare-progress { color: var(--muted); font-size: 0.9rem; margin-top: 6px; }
.done-card { text-align: center; padding: 50px 26px; }
.done-card .big { font-size: 1.6rem; font-weight: 700; margin-bottom: 6px; }

.banner {
  border-radius: 12px;
  padding: 12px 16px;
  margin: 0 0 16px;
  font-size: 0.94rem;
}
.banner.error { background: #fbeae8; color: var(--danger); }
.banner.info { background: var(--brand-soft); color: var(--brand-dark); }

.muted { color: var(--muted); }
.center { text-align: center; }
.mt { margin-top: 18px; }
.spinner { display:inline-block; width:16px; height:16px; border:2px solid #fff; border-top-color:transparent; border-radius:50%; animation:spin .7s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }