/* ABetterNotePad project site — self-contained, no build step.
   Mirrors the app's black-default theme tokens + indigo accent. */
:root {
  --bg: #000000;
  --surface: #0e0e10;
  --surface-2: #17171a;
  --border: #26262b;
  --fg: #f4f4f5;
  --muted: #8b8b90;
  --accent: #6d6df0;
  --accent-2: #9b8cff;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: ui-sans-serif, system-ui, "Segoe UI", Roboto, Inter, sans-serif;
  -webkit-font-smoothing: antialiased;
  line-height: 1.55;
  /* Dot grid + soft vignette, matching the Xaeryx family look. */
  background-image:
    radial-gradient(circle at 50% 0%, rgba(109, 109, 240, 0.12), transparent 55%),
    radial-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 100% 100%, 22px 22px;
  background-attachment: fixed;
}

a {
  color: inherit;
  text-decoration: none;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

/* --- Nav --- */
.nav {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 24px;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}

.brand {
  font-weight: 700;
  letter-spacing: 0.2px;
}

.brand__star {
  color: var(--accent);
}

.nav__links {
  display: flex;
  gap: 18px;
  font-size: 0.9rem;
  color: var(--muted);
  flex-wrap: wrap;
}

.nav__links a:hover {
  color: var(--fg);
}

/* --- Layout --- */
main {
  max-width: 1040px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 72px 0;
  border-top: 1px solid var(--border);
}

.section--center {
  text-align: center;
}

.section__title {
  font-size: 1.9rem;
  margin: 0 0 28px;
}

/* --- Hero --- */
.hero {
  text-align: center;
  padding: 80px 0 56px;
}

.hero__eyebrow {
  color: var(--muted);
  font-size: 0.85rem;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin: 0 0 14px;
}

.hero__title {
  font-size: clamp(2.4rem, 6vw, 4rem);
  line-height: 1.05;
  margin: 0 0 18px;
  font-weight: 800;
}

.grad {
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero__sub {
  max-width: 640px;
  margin: 0 auto 28px;
  color: #d4d4d8;
  font-size: 1.1rem;
}

.hero__cta {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

.hero__note {
  margin-top: 14px;
  color: var(--muted);
  font-size: 0.85rem;
}

/* --- Buttons --- */
.btn {
  display: inline-block;
  padding: 12px 22px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid var(--border);
  transition: transform 0.08s ease, border-color 0.08s ease, background 0.08s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn--primary {
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  border-color: transparent;
  color: #fff;
}

.btn--ghost {
  background: var(--surface);
  color: var(--fg);
}

.btn--ghost:hover {
  border-color: var(--accent);
}

/* --- App mockup --- */
.mock {
  max-width: 720px;
  margin: 52px auto 0;
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
  background: var(--surface);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.6);
  text-align: left;
}

.mock__bar {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  background: var(--surface-2);
}

.mock__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #3a3a40;
}

.mock__title {
  margin-left: 8px;
  color: var(--muted);
  font-size: 0.8rem;
}

.mock__body {
  display: flex;
  min-height: 220px;
}

.mock__side {
  width: 200px;
  border-right: 1px solid var(--border);
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.mock__chip {
  color: var(--muted);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.mock__ref {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 6px 8px;
  font-family: ui-monospace, "Cascadia Code", Consolas, monospace;
  font-size: 0.78rem;
  word-break: break-all;
}

.mock__ref--hot {
  border-color: var(--accent);
}

.mock__canvas {
  flex: 1;
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: flex-start;
  background:
    radial-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px) 0 0 / 16px 16px;
}

.mock__tok {
  font-family: ui-monospace, "Cascadia Code", Consolas, monospace;
  font-size: 0.82rem;
  padding: 4px 8px;
  border-radius: 5px;
  border: 1px solid var(--accent);
  background: rgba(109, 109, 240, 0.16);
}

.mock__tok--mask {
  border-color: #ffb45a;
  background: repeating-linear-gradient(
    45deg,
    rgba(255, 180, 90, 0.35) 0,
    rgba(255, 180, 90, 0.35) 4px,
    transparent 4px,
    transparent 8px
  );
  color: transparent;
}

.mock__hint {
  margin-top: auto;
  color: var(--muted);
  font-size: 0.78rem;
}

/* --- Promises --- */
.promises {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
  padding: 8px 0 8px;
}

.promise {
  border: 1px solid var(--border);
  background: var(--surface);
  border-radius: 999px;
  padding: 8px 16px;
  font-size: 0.85rem;
  color: #d4d4d8;
}

/* --- Feature grid --- */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
}

.card {
  border: 1px solid var(--border);
  background: linear-gradient(180deg, var(--surface), rgba(14, 14, 16, 0.4));
  border-radius: 12px;
  padding: 22px;
}

.card h3 {
  margin: 0 0 8px;
  font-size: 1.05rem;
}

.card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

/* --- Steps --- */
.steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}

.step {
  border: 1px solid var(--border);
  background: var(--surface);
  border-radius: 12px;
  padding: 22px;
}

.step__n {
  display: inline-grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  color: #fff;
  font-weight: 700;
  margin-bottom: 10px;
}

.step h3 {
  margin: 0 0 4px;
}

.step p {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

/* --- Screenshots --- */
.shots {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
}

.shot {
  margin: 0;
}

.shot__frame {
  aspect-ratio: 16 / 10;
  border: 1px solid var(--border);
  border-radius: 12px;
  background:
    radial-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px) 0 0 / 18px 18px,
    var(--surface);
  display: grid;
  place-items: center;
  color: #3a3a40;
  text-transform: uppercase;
  letter-spacing: 2px;
  font-size: 0.75rem;
}

.shot figcaption {
  margin-top: 10px;
  color: var(--muted);
  font-size: 0.88rem;
}

.download__sub {
  max-width: 540px;
  margin: 0 auto 24px;
  color: #d4d4d8;
}

/* --- Footer --- */
.foot {
  border-top: 1px solid var(--border);
  padding: 28px 24px 48px;
  text-align: center;
  color: var(--muted);
  font-size: 0.85rem;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.foot a {
  color: var(--accent-2);
}

@media (max-width: 620px) {
  .mock__side {
    display: none;
  }
  .nav__links {
    gap: 12px;
    font-size: 0.82rem;
  }
}