:root {
  color-scheme: dark;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", sans-serif;
  --bg: #0b1020;
  --surface: rgba(21, 29, 52, 0.78);
  --surface-soft: rgba(31, 43, 75, 0.5);
  --text: #f4f7ff;
  --muted: #9ca8c6;
  --line: rgba(195, 207, 255, 0.15);
  --accent: #b8f36d;
  --accent-ink: #172408;
  --warm: #ffb878;
  --radius: 20px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  min-width: 320px;
  min-height: 100vh;
  margin: 0;
  overflow-x: hidden;
  color: var(--text);
  background: var(--bg);
}

body::before,
body::after {
  position: fixed;
  z-index: -1;
  width: 38rem;
  height: 38rem;
  border-radius: 50%;
  filter: blur(90px);
  content: "";
  opacity: 0.17;
  pointer-events: none;
}

body::before { top: -18rem; right: -10rem; background: #6b5cff; }
body::after { bottom: -23rem; left: -12rem; background: #fa7b47; }

a { color: inherit; }

a:focus-visible { outline: 3px solid var(--warm); outline-offset: 4px; }

.site-shell {
  display: flex;
  flex-direction: column;
  width: min(1120px, calc(100% - 48px));
  min-height: 100vh;
  margin: 0 auto;
  padding: 28px 0 24px;
}

.topbar,
.brand,
.section-heading,
.app-card-header,
.app-card-actions,
.app-card-footer,
footer {
  display: flex;
  align-items: center;
}

.topbar { justify-content: space-between; gap: 20px; }

.brand {
  gap: 12px;
  color: var(--muted);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-decoration: none;
}

.brand-mark,
.app-icon {
  display: grid;
  place-items: center;
  color: var(--accent-ink);
  background: var(--accent);
}

.brand-mark { width: 30px; height: 30px; border-radius: 50%; font-size: 1.25rem; }

.topbar-link {
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 700;
  text-decoration: none;
}

.topbar-link:hover { color: var(--text); }

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  align-items: end;
  gap: 64px;
  padding: 88px 0 78px;
}

.eyebrow {
  margin: 0 0 16px;
  color: var(--warm);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

h1, h2, p { margin-top: 0; }

h1 {
  max-width: 780px;
  margin-bottom: 28px;
  font-size: clamp(3.7rem, 9vw, 7.8rem);
  font-weight: 600;
  letter-spacing: -0.09em;
  line-height: 0.84;
}

h1 span { color: var(--accent); }

.hero-copy > p:not(.eyebrow) {
  max-width: 550px;
  margin-bottom: 0;
  color: var(--muted);
  font-size: clamp(1rem, 2vw, 1.12rem);
  line-height: 1.65;
}

.button {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 52px;
  margin-top: 30px;
  padding: 0 22px;
  border-radius: 999px;
  font-size: 0.84rem;
  font-weight: 800;
  text-decoration: none;
  transition: transform 160ms ease, background 160ms ease;
}

.button:hover { transform: translateY(-2px); }

.button-primary { color: var(--accent-ink); background: var(--accent); }
.button-primary:hover { background: #c9ff88; }

.principles-card {
  padding: 21px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 16px;
  box-shadow: 0 22px 80px rgba(0, 0, 0, 0.2);
  backdrop-filter: blur(14px);
}

.principles-card .eyebrow { margin-bottom: 18px; }
.principles-card ul { display: grid; gap: 18px; padding: 0; margin: 0; list-style: none; }
.principles-card li { display: flex; align-items: flex-start; gap: 11px; }
.principles-card li > span { color: var(--accent); font-size: 1.1rem; line-height: 1; }
.principles-card strong, .principles-card small { display: block; }
.principles-card strong { margin-bottom: 4px; font-size: 0.82rem; }
.principles-card small { color: var(--muted); font-size: 0.72rem; line-height: 1.45; }

.favorites-section { padding: 10px 0 40px; }
.apps-section { padding: 10px 0 58px; }

.section-heading { justify-content: space-between; align-items: end; gap: 20px; margin-bottom: 24px; }
.section-heading .eyebrow { margin-bottom: 9px; }
h2 { margin-bottom: 0; font-size: clamp(1.35rem, 3vw, 1.7rem); letter-spacing: -0.045em; }

.apps-controls { display: flex; align-items: end; justify-content: end; flex-wrap: wrap; gap: 10px; }

.category-filter { display: grid; gap: 5px; color: var(--muted); font-size: 0.62rem; font-weight: 800; letter-spacing: 0.08em; text-transform: uppercase; }

.category-filter select {
  min-height: 32px;
  padding: 0 28px 0 10px;
  color: var(--text);
  font: inherit;
  font-size: 0.7rem;
  letter-spacing: 0;
  text-transform: none;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 999px;
  outline: none;
}

.category-filter select:focus-visible { border-color: var(--warm); box-shadow: 0 0 0 3px rgba(255, 184, 120, 0.22); }

.apps-count {
  margin: 0;
  padding: 6px 10px;
  color: var(--accent-ink);
  font-size: 0.7rem;
  font-weight: 800;
  white-space: nowrap;
  background: var(--accent);
  border-radius: 999px;
}

.apps-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(290px, 1fr)); gap: 14px; }

.favorites-section .section-heading { padding: 22px 22px 0; margin-bottom: 18px; }
.favorites-section { background: linear-gradient(120deg, rgba(184, 243, 109, 0.12), rgba(21, 29, 52, 0.25)); border: 1px solid rgba(184, 243, 109, 0.28); border-radius: var(--radius); }
.favorites-grid { padding: 0 14px 14px; }
.favorites-grid .app-card { background: rgba(21, 29, 52, 0.76); }

.app-card {
  display: flex;
  flex-direction: column;
  min-height: 310px;
  padding: 22px;
  background: rgba(21, 29, 52, 0.62);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.app-card-header { justify-content: space-between; gap: 16px; }

.app-card-actions { justify-content: end; gap: 8px; }

.app-icon { flex: 0 0 46px; width: 46px; height: 46px; font-size: 1.7rem; border-radius: 14px; }

.favorite-button {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  padding: 0;
  color: var(--muted);
  font-size: 1.35rem;
  line-height: 1;
  cursor: pointer;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 50%;
  transition: color 160ms ease, background 160ms ease, border-color 160ms ease, transform 160ms ease;
}

.favorite-button:hover { color: var(--accent-ink); background: var(--accent); border-color: var(--accent); transform: translateY(-1px); }
.favorite-button[aria-pressed="true"] { color: var(--accent-ink); background: var(--accent); border-color: var(--accent); }
.favorite-button:focus-visible { outline: 3px solid var(--warm); outline-offset: 3px; }

.app-status {
  padding: 5px 8px;
  color: var(--accent-ink);
  font-size: 0.64rem;
  font-weight: 800;
  white-space: nowrap;
  background: var(--accent);
  border-radius: 999px;
}

.app-card h3 { margin: 28px 0 10px; font-size: 1.32rem; letter-spacing: -0.04em; }

.app-description { margin-bottom: 20px; color: var(--muted); font-size: 0.86rem; line-height: 1.6; }

.app-tags { display: flex; flex-wrap: wrap; gap: 7px; padding: 0; margin: auto 0 20px; list-style: none; }
.app-tags li { padding: 5px 8px; color: var(--muted); font-size: 0.66rem; font-weight: 700; background: var(--surface-soft); border-radius: 999px; }

.app-card-footer { justify-content: space-between; gap: 16px; padding-top: 16px; border-top: 1px solid var(--line); }
.app-category { color: var(--warm); font-size: 0.66rem; font-weight: 800; letter-spacing: 0.08em; text-transform: uppercase; }
.app-link { color: var(--text); font-size: 0.78rem; font-weight: 800; text-decoration: none; }
.app-link:hover { color: var(--accent); }

footer { justify-content: space-between; gap: 16px; margin-top: auto; padding-top: 18px; color: var(--muted); font-size: 0.68rem; }

@media (max-width: 800px) {
  .hero { grid-template-columns: 1fr; gap: 32px; padding: 64px 0 58px; }
  .principles-card { max-width: 420px; }
}

@media (max-width: 560px) {
  .site-shell { width: min(100% - 28px, 1120px); padding-top: 18px; }
  .topbar-link { display: none; }
  h1 { font-size: clamp(3.15rem, 16vw, 4.9rem); }
  .hero { padding-top: 56px; }
  .section-heading { align-items: flex-start; flex-direction: column; }
  .apps-controls { justify-content: start; }
  .favorites-section .section-heading { padding: 18px 18px 0; }
  .favorites-grid { padding: 0 10px 10px; }
}