:root {
  --bg: #f6f6fa;
  --surface: #ffffff;
  --text: #1c1c26;
  --muted: #6a6a7c;
  --border: #e3e3ee;
  --accent: #5a57d6;
  --accent-weak: #ecebfb;
  --good: #1b9a68;
  --good-weak: #e3f5ed;
  --shadow: 0 1px 2px rgba(20, 20, 45, .05), 0 6px 20px rgba(20, 20, 45, .05);
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #101017;
    --surface: #191923;
    --text: #ececf4;
    --muted: #9a9aad;
    --border: #2a2a39;
    --accent: #8d8af2;
    --accent-weak: #25243c;
    --good: #3cc58f;
    --good-weak: #173327;
    --shadow: none;
    color-scheme: dark;
  }
}

:root[data-theme="dark"] {
  --bg: #101017;
  --surface: #191923;
  --text: #ececf4;
  --muted: #9a9aad;
  --border: #2a2a39;
  --accent: #8d8af2;
  --accent-weak: #25243c;
  --good: #3cc58f;
  --good-weak: #173327;
  --shadow: none;
  color-scheme: dark;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.55 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

a { color: inherit; }

.container { max-width: 960px; margin: 0 auto; padding: 0 16px; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}

.nav { display: flex; align-items: center; gap: 8px; min-height: 60px; }

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-right: auto;
  font-weight: 700;
  text-decoration: none;
}

.logo svg { width: 26px; height: 26px; }

.links { display: flex; gap: 2px; }

.links a {
  padding: 6px 10px;
  border-radius: 8px;
  color: var(--muted);
  text-decoration: none;
  white-space: nowrap;
}

.links a:hover { color: var(--text); background: var(--accent-weak); }
.links a.active { color: var(--accent); background: var(--accent-weak); font-weight: 600; }

.btn {
  font: inherit;
  padding: 8px 14px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--surface);
  color: var(--text);
  text-decoration: none;
  cursor: pointer;
  transition: transform .08s, background .15s, border-color .15s, color .15s;
}

.btn:hover { border-color: var(--accent); }
.btn:active { transform: scale(.96); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.small { padding: 4px 10px; font-size: 14px; }
.btn:disabled { opacity: .45; cursor: default; transform: none; }

.btn:focus-visible,
a:focus-visible,
summary:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.hero { padding: 48px 0 16px; }

.hero h1 {
  margin: 0 0 12px;
  font-size: clamp(30px, 5vw, 46px);
  line-height: 1.12;
  letter-spacing: -.02em;
}

.hero p, .lead { max-width: 580px; margin: 0 0 20px; color: var(--muted); }

.actions { display: flex; flex-wrap: wrap; gap: 8px; }

.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin: 32px 0; }

.stat, .card, .quote, .goal, .faq details {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  box-shadow: var(--shadow);
}

.stat { padding: 16px; }
.stat b { display: block; font-size: 30px; line-height: 1.2; }
.stat span { color: var(--muted); font-size: 14px; }

h2 { margin: 36px 0 12px; font-size: 20px; }
.page-title { margin: 40px 0 8px; font-size: clamp(26px, 4vw, 34px); letter-spacing: -.01em; }

.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 12px; }

.card { display: flex; flex-direction: column; gap: 8px; padding: 16px; }
.card .top { display: flex; align-items: center; gap: 10px; }

.icon {
  display: grid;
  place-items: center;
  flex: none;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--accent-weak);
  font-size: 22px;
}

.card h3 { margin: 0; font-size: 16px; }
.card p { margin: 0; color: var(--muted); font-size: 14px; }

.meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-top: auto;
  padding-top: 6px;
  color: var(--muted);
  font-size: 13px;
}

.tag {
  padding: 2px 8px;
  border-radius: 999px;
  background: var(--accent-weak);
  color: var(--accent);
  font-size: 12px;
}

.filters { display: flex; flex-wrap: wrap; gap: 8px; margin: 20px 0 16px; }
.filters .btn[aria-pressed="true"] { background: var(--accent); border-color: var(--accent); color: #fff; }

.bump { animation: bump .25s; }
@keyframes bump { 50% { transform: scale(1.18); } }

.quote {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin: 36px 0 0;
  padding: 16px 18px;
  border-style: dashed;
}

.quote q { font-style: italic; }

.goals { display: grid; gap: 12px; margin-top: 20px; }
.goal { display: grid; gap: 10px; padding: 16px; }
.goal .row { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.goal h3 { margin: 0; font-size: 16px; }
.goal .count { color: var(--muted); font-size: 14px; }
.goal .controls { display: flex; gap: 6px; }

.bar { height: 10px; overflow: hidden; border-radius: 999px; background: var(--accent-weak); }
.bar > i { display: block; height: 100%; border-radius: inherit; background: var(--accent); transition: width .25s; }

.goal.done { border-color: var(--good); background: var(--good-weak); }
.goal.done .bar > i { background: var(--good); }
.goal .badge { color: var(--good); font-weight: 600; font-size: 14px; }

.faq { display: grid; gap: 10px; margin: 20px 0; }
.faq details { padding: 14px 16px; }
.faq summary { cursor: pointer; font-weight: 600; }
.faq details p { margin: 10px 0 0; color: var(--muted); }

.toast {
  position: fixed;
  left: 50%;
  bottom: 24px;
  padding: 10px 16px;
  border-radius: 10px;
  background: var(--text);
  color: var(--bg);
  font-size: 14px;
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, 10px);
  transition: opacity .2s, transform .2s;
}

.toast.show { opacity: 1; transform: translate(-50%, 0); }

.site-footer { margin-top: 56px; padding: 24px 0 40px; border-top: 1px solid var(--border); color: var(--muted); font-size: 14px; }

@media (max-width: 600px) {
  .nav { flex-wrap: wrap; padding: 8px 0; }
  .links { order: 3; width: 100%; overflow-x: auto; }
  .stats { grid-template-columns: 1fr; }
  .quote { flex-direction: column; align-items: flex-start; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}