:root {
  color-scheme: dark;
  --bg: #0a0c10;
  --bg-rgb: 10, 12, 16;
  --bg2: #10141b;
  --bg3: #151b24;
  --fg: #e8ebef;
  --muted: #96a0ac;
  --faint: #74808d;
  --accent: #7dd3fc;
  --accent-rgb: 125, 211, 252;
  --accent2: #a78bfa;
  --accent2-rgb: 167, 139, 250;
  --border: #1f2530;
  --border-hi: #2c3442;
  --mono: ui-monospace, "JetBrains Mono", "Fira Code", "Cascadia Code", Menlo, monospace;
}

:root[data-theme="light"] {
  color-scheme: light;
  --bg: #f6f7f9;
  --bg-rgb: 246, 247, 249;
  --bg2: #ffffff;
  --bg3: #eef1f5;
  --fg: #14181f;
  --muted: #4b5563;
  --faint: #5b6672;
  --accent: #0e7490;
  --accent-rgb: 14, 116, 144;
  --accent2: #6d28d9;
  --accent2-rgb: 109, 40, 217;
  --border: #e2e6ea;
  --border-hi: #ccd3da;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  /* clears the sticky nav (taller on mobile, where it wraps to two lines) */
  scroll-padding-top: 5.5rem;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, sans-serif;
  background: var(--bg);
  color: var(--fg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  transition: background-color 0.15s ease, color 0.15s ease;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }

.wrap {
  max-width: 920px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ---- nav ---- */

nav {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(var(--bg-rgb), 0.82);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

nav .wrap {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  padding-top: 0.65rem;
  padding-bottom: 0.65rem;
}

nav img { width: 28px; height: 28px; display: block; }

nav .brand {
  color: var(--fg);
  font-weight: 600;
  letter-spacing: -0.01em;
  margin-right: auto;
}
nav .brand:hover { text-decoration: none; }

nav .navlinks {
  display: flex;
  gap: 1.1rem;
  font-size: 0.9rem;
}
nav .navlinks a { color: var(--muted); }
nav .navlinks a:hover { color: var(--accent); text-decoration: none; }

.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  flex: 0 0 auto;
  margin-left: 0.3rem;
  border: 1px solid var(--border-hi);
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  transition: border-color 0.15s ease, color 0.15s ease;
}
.theme-toggle:hover { border-color: var(--accent); color: var(--accent); }
.theme-toggle svg { width: 15px; height: 15px; display: block; }
.theme-toggle .icon-sun,
.theme-toggle .icon-moon { display: none; }
:root[data-theme="dark"] .theme-toggle .icon-sun { display: block; }
:root[data-theme="light"] .theme-toggle .icon-moon { display: block; }

/* ---- hero ---- */

.hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--border);
}

.hero::before {
  content: "";
  position: absolute;
  inset: -40% -20% auto;
  height: 130%;
  background:
    radial-gradient(38% 55% at 24% 18%, rgba(var(--accent-rgb), 0.13), transparent 70%),
    radial-gradient(34% 50% at 78% 12%, rgba(var(--accent2-rgb), 0.12), transparent 70%);
  pointer-events: none;
}

.hero .wrap {
  position: relative;
  padding-top: 4.5rem;
  padding-bottom: 3.5rem;
}

.hero .mark { width: 72px; height: 72px; margin-bottom: 1.4rem; }

.hero h1 {
  font-size: clamp(2.1rem, 5.5vw, 3.1rem);
  line-height: 1.12;
  letter-spacing: -0.025em;
  margin: 0 0 0.4rem;
}

.hero h1 .grad {
  background: linear-gradient(100deg, var(--accent), var(--accent2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero .who {
  font-family: var(--mono);
  font-size: 0.85rem;
  color: var(--faint);
  letter-spacing: 0.06em;
  margin: 0 0 1.1rem;
}

.hero .tagline {
  color: var(--muted);
  font-size: 1.12rem;
  max-width: 58ch;
  margin: 0 0 1.8rem;
}

.hero .links { display: flex; flex-wrap: wrap; gap: 0.7rem; }

.hero .links a {
  font-family: var(--mono);
  font-size: 0.84rem;
  color: var(--fg);
  border: 1px solid var(--border-hi);
  border-radius: 999px;
  padding: 0.4rem 0.95rem;
  transition: border-color 0.15s ease, color 0.15s ease;
}
.hero .links a:hover {
  text-decoration: none;
  border-color: var(--accent);
  color: var(--accent);
}

/* ---- sections ---- */

main .wrap { padding-top: 3.2rem; padding-bottom: 3rem; }

section { margin-bottom: 3.6rem; }
section:last-child { margin-bottom: 0; }

.eyebrow {
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 0.35rem;
}
.apps .eyebrow { color: var(--accent2); }

section h2 {
  font-size: 1.55rem;
  letter-spacing: -0.02em;
  margin: 0 0 0.5rem;
}

.section-lede {
  color: var(--muted);
  max-width: 65ch;
  margin: 0 0 1.6rem;
}

.more {
  font-family: var(--mono);
  font-size: 0.84rem;
}

/* ---- cards ---- */

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(255px, 1fr));
  gap: 1rem;
}

.grid.two {
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
}

.card {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.15rem 1.25rem;
  transition: border-color 0.15s ease, background 0.15s ease, transform 0.15s ease;
}
.card:hover {
  border-color: var(--accent);
  background: var(--bg3);
  transform: translateY(-2px);
}
.apps .card:hover { border-color: var(--accent2); }

.card h3 { margin: 0; font-size: 1.02rem; letter-spacing: -0.01em; }
.card h3 a { color: var(--fg); }
.card h3 a::after {
  /* stretch the primary link over the whole card */
  content: "";
  position: absolute;
  inset: 0;
}
.card { position: relative; }
.card p { margin: 0; color: var(--muted); font-size: 0.9rem; flex: 1; }

.card .meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-top: 0.35rem;
}
.card .meta span {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--faint);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.08rem 0.55rem;
}
.card .meta .live { color: var(--accent2); border-color: rgba(var(--accent2-rgb), 0.35); }

/* secondary links inside a card must sit above the stretched link */
.card p a { position: relative; z-index: 1; }

.card p.note {
  flex: 0 0 auto;
  font-size: 0.78rem;
  color: var(--faint);
  border-top: 1px dashed var(--border);
  padding-top: 0.45rem;
  margin-top: 0.35rem;
}

/* ---- footer ---- */

footer { border-top: 1px solid var(--border); }

footer .wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1.4rem;
  justify-content: space-between;
  padding-top: 1.6rem;
  padding-bottom: 2.6rem;
  color: var(--faint);
  font-size: 0.85rem;
}

footer a { color: var(--muted); }

@media (max-width: 560px) {
  .hero .wrap { padding-top: 3rem; padding-bottom: 2.6rem; }
  nav .navlinks a.optional { display: none; }
  /* two clean rows instead of an organic wrap: logo/brand/toggle on row 1,
     remaining links centered on their own full-width row 2 */
  nav .wrap { flex-wrap: wrap; row-gap: 0.5rem; }
  nav .navlinks {
    order: 10;
    flex-basis: 100%;
    justify-content: center;
    gap: 1.3rem;
  }
  nav .navlinks a { padding: 0.3rem 0; }
}