:root {
  --bg: #f6f7fb;
  --card: #ffffff;
  --text: #0f172a;
  --muted: #475569;
  --border: rgba(15, 23, 42, 0.10);
  --accent: #4f46e5;
  --accent-2: #22c55e;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "SF Pro Display", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.55;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap::before {
  content: "";
  position: fixed;
  inset: -40vh -40vw;
  background:
    radial-gradient(60vw 60vw at 20% 20%, rgba(79, 70, 229, 0.16), transparent 55%),
    radial-gradient(60vw 60vw at 80% 10%, rgba(34, 197, 94, 0.12), transparent 60%),
    radial-gradient(60vw 60vw at 70% 80%, rgba(79, 70, 229, 0.10), transparent 60%);
  pointer-events: none;
  z-index: -1;
}

.wrap {
  max-width: 900px;
  margin: 0 auto;
  padding: 28px 18px 48px;
}

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}

.brand {
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.brand .title {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.brand .badge {
  font-size: 12px;
  font-weight: 600;
  color: var(--muted);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 4px 10px;
  background: rgba(255, 255, 255, 0.6);
}

nav {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

nav a {
  font-size: 14px;
  color: var(--muted);
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.7);
  padding: 8px 10px;
  border-radius: 10px;
}

nav a:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 1);
  text-decoration: none;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 18px 18px;
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.06);
}

.card--hero {
  padding: 20px;
}

h1 {
  font-size: 30px;
  line-height: 1.2;
  margin: 0 0 10px;
  letter-spacing: -0.02em;
}

h2 {
  margin: 22px 0 10px;
  font-size: 18px;
  letter-spacing: -0.01em;
}

p { margin: 10px 0; color: var(--text); }

.muted { color: var(--muted); }

ul { padding-left: 18px; margin: 10px 0; color: var(--text); }
li { margin: 6px 0; }

footer {
  margin-top: 18px;
  font-size: 12px;
  color: var(--muted);
}

.pill {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid rgba(79, 70, 229, 0.25);
  background: rgba(79, 70, 229, 0.08);
  color: var(--accent);
}

.hero {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 18px;
  align-items: start;
}

.actions {
  margin-top: 14px;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 12px;
  border-radius: 12px;
  font-size: 14px;
  font-weight: 600;
  border: 1px solid var(--border);
  color: var(--text);
  background: rgba(255, 255, 255, 0.8);
}

.btn:hover {
  text-decoration: none;
  background: rgba(255, 255, 255, 1);
}

.btn--primary {
  border-color: rgba(79, 70, 229, 0.35);
  background: rgba(79, 70, 229, 0.10);
  color: var(--accent);
}

.feature-grid {
  margin-top: 16px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.feature {
  display: flex;
  gap: 10px;
  padding: 12px 12px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.6);
}

.feature__icon {
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: rgba(79, 70, 229, 0.10);
  flex: 0 0 auto;
}

.feature__title {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.feature__text {
  font-size: 13px;
  margin-top: 2px;
}

.preview {
  border-radius: 18px;
  border: 1px solid rgba(15, 23, 42, 0.10);
  background: linear-gradient(180deg, rgba(79, 70, 229, 0.08), rgba(255, 255, 255, 0.9));
  padding: 14px;
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.08);
}

.preview__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 10px;
}

.preview__title {
  font-size: 14px;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.preview__pill {
  font-size: 12px;
  font-weight: 700;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid rgba(34, 197, 94, 0.28);
  background: rgba(34, 197, 94, 0.10);
  color: #15803d;
}

.preview__section {
  background: rgba(255, 255, 255, 0.75);
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: 14px;
  padding: 10px 10px;
  margin-bottom: 10px;
}

.preview__sectionTitle {
  font-size: 12px;
  font-weight: 800;
  letter-spacing: -0.01em;
  margin-bottom: 8px;
}

.preview__row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 0;
}

.preview__dot {
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: rgba(79, 70, 229, 0.9);
  flex: 0 0 auto;
}

.preview__check {
  width: 14px;
  height: 14px;
  border-radius: 4px;
  border: 1px solid rgba(15, 23, 42, 0.22);
  background: rgba(255, 255, 255, 1);
  flex: 0 0 auto;
}

.preview__check--done {
  border-color: rgba(34, 197, 94, 0.35);
  background: rgba(34, 197, 94, 0.18);
}

.preview__rowText {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: -0.01em;
  flex: 1 1 auto;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.preview__rowMeta {
  font-size: 12px;
  font-weight: 700;
  color: var(--muted);
}

.preview__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding-top: 4px;
}

.preview__timerValue {
  font-size: 18px;
  font-weight: 900;
  letter-spacing: -0.02em;
}

.preview__cta {
  font-size: 13px;
  font-weight: 800;
  padding: 10px 12px;
  border-radius: 12px;
  color: white;
  background: linear-gradient(135deg, rgba(79, 70, 229, 0.95), rgba(99, 102, 241, 0.95));
  border: 1px solid rgba(79, 70, 229, 0.35);
}

.note {
  margin-top: 16px;
  padding-top: 12px;
  border-top: 1px solid var(--border);
}

@media (max-width: 720px) {
  .wrap { padding: 20px 14px 42px; }
  header { flex-direction: column; align-items: flex-start; }
  nav { width: 100%; justify-content: flex-start; }
  h1 { font-size: 28px; }
  .hero { grid-template-columns: 1fr; }
  .feature-grid { grid-template-columns: 1fr; }
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b1020;
    --card: rgba(17, 24, 39, 0.88);
    --text: #f8fafc;
    --muted: #cbd5e1;
    --border: rgba(148, 163, 184, 0.18);
    --accent: #818cf8;
    --accent-2: #4ade80;
  }

  nav a {
    background: rgba(17, 24, 39, 0.65);
  }

  .feature {
    background: rgba(17, 24, 39, 0.65);
  }

  .preview {
    background: linear-gradient(180deg, rgba(129, 140, 248, 0.10), rgba(17, 24, 39, 0.88));
  }

  .preview__section {
    background: rgba(17, 24, 39, 0.65);
  }

  .preview__pill {
    color: #bbf7d0;
  }

  .btn {
    background: rgba(17, 24, 39, 0.65);
  }
}