:root {
  --bg: #000000;
  --fg: #ffffff;
  --muted: rgba(255, 255, 255, 0.55);
  --muted-2: rgba(255, 255, 255, 0.72);
  --line: rgba(255, 255, 255, 0.12);
  --panel: #121212;
  --panel-2: #1a1a1a;
  --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --nav-h: 64px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100%;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

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

code {
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.92em;
}

/* ——— Nav (Cursor layout) ——— */

.topnav {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--nav-h);
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: 0 clamp(1.25rem, 3.5vw, 2rem);
  background: rgba(0, 0, 0, 0.72);
  backdrop-filter: saturate(140%) blur(16px);
  border-bottom: 1px solid transparent;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  justify-self: start;
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: -0.02em;
}

.logo-mark {
  width: 14px;
  height: 14px;
  clip-path: polygon(50% 0%, 0% 100%, 100% 100%);
  background: #fff;
}

.nav-center {
  display: flex;
  gap: 1.35rem;
  justify-content: center;
}

.nav-center a,
.nav-text {
  color: var(--muted-2);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 150ms var(--ease);
}

.nav-center a:hover,
.nav-text:hover {
  color: #fff;
}

.nav-right {
  justify-self: end;
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.btn {
  appearance: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-family: inherit;
  font-weight: 560;
  font-size: 0.9rem;
  line-height: 1;
  white-space: nowrap;
  cursor: pointer;
  transition:
    transform 150ms var(--ease),
    background-color 150ms var(--ease),
    border-color 150ms var(--ease),
    color 150ms var(--ease);
}

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

.btn-solid {
  background: #fff;
  color: #000;
  min-height: 2.2rem;
  padding: 0 0.95rem;
}

.btn-solid:hover {
  background: #f2f2f2;
}

.btn-outline {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, 0.28);
  min-height: 2.2rem;
  padding: 0 0.9rem;
}

.btn-outline:hover {
  border-color: rgba(255, 255, 255, 0.5);
  background: rgba(255, 255, 255, 0.04);
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.06);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.1);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.1);
}

.btn-lg {
  min-height: 2.75rem;
  padding: 0 1.15rem;
  font-size: 0.95rem;
}

/* ——— Hero (left-aligned like Cursor) ——— */

.hero {
  width: min(1120px, calc(100% - 2.5rem));
  margin: 0 auto;
  padding: clamp(3.25rem, 8vh, 5rem) 0 2rem;
  animation: rise 650ms var(--ease) both;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero h1 {
  margin: 0;
  max-width: 15ch;
  font-size: clamp(2.6rem, 6.4vw, 4.4rem);
  font-weight: 600;
  letter-spacing: -0.045em;
  line-height: 1.05;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1.6rem;
}

.hero-note {
  margin: 1rem 0 0;
  color: var(--muted);
  font-size: 0.88rem;
}

/* ——— Showcase with painterly backdrop ——— */

.showcase {
  width: min(1180px, calc(100% - 1.25rem));
  margin: 0.5rem auto 4.5rem;
  animation: rise 850ms var(--ease) 80ms both;
}

.showcase-art {
  position: relative;
  border-radius: 28px;
  overflow: hidden;
  min-height: clamp(360px, 52vw, 560px);
  padding: clamp(1.5rem, 4vw, 3rem);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background:
    radial-gradient(ellipse 90% 70% at 20% 80%, rgba(90, 120, 80, 0.55), transparent 55%),
    radial-gradient(ellipse 80% 60% at 85% 30%, rgba(70, 100, 140, 0.5), transparent 55%),
    radial-gradient(ellipse 70% 50% at 55% 55%, rgba(160, 130, 90, 0.35), transparent 60%),
    linear-gradient(160deg, #1a2218 0%, #0d1218 45%, #1c1812 100%);
}

.showcase-art::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 30% 40%, rgba(255, 255, 255, 0.08), transparent 35%),
    radial-gradient(circle at 70% 70%, rgba(255, 255, 255, 0.05), transparent 40%);
  mix-blend-mode: soft-light;
  pointer-events: none;
}

.app-window {
  position: relative;
  z-index: 1;
  width: min(100%, 980px);
  border-radius: 16px;
  overflow: hidden;
  background: #0e0e0e;
  border: 1px solid rgba(255, 255, 255, 0.14);
  box-shadow:
    0 30px 80px rgba(0, 0, 0, 0.55),
    0 0 0 1px rgba(0, 0, 0, 0.4);
}

.app-chrome {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  height: 2.55rem;
  padding: 0 0.9rem;
  background: #161616;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.dots {
  display: flex;
  gap: 0.35rem;
}

.dots span {
  width: 0.58rem;
  height: 0.58rem;
  border-radius: 50%;
  background: #3a3a3a;
}

.dots span:nth-child(1) {
  background: #ff5f57;
}
.dots span:nth-child(2) {
  background: #febc2e;
}
.dots span:nth-child(3) {
  background: #28c840;
}

.chrome-title {
  flex: 1;
  text-align: center;
  color: rgba(255, 255, 255, 0.45);
  font-size: 0.72rem;
  letter-spacing: 0.02em;
  transform: translateX(-1.1rem);
}

.app-panes {
  display: grid;
  grid-template-columns: 200px minmax(0, 1.2fr) minmax(180px, 0.85fr);
  min-height: clamp(280px, 38vw, 420px);
}

.pane-side {
  padding: 0.95rem 0.7rem;
  border-right: 1px solid rgba(255, 255, 255, 0.08);
  background: #101010;
}

.pane-kicker {
  margin: 0 0.35rem 0.7rem;
  color: rgba(255, 255, 255, 0.4);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.file {
  padding: 0.42rem 0.5rem;
  margin-bottom: 0.15rem;
  border-radius: 7px;
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.78);
}

.file.on {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
}

.file.muted {
  color: rgba(255, 255, 255, 0.35);
}

.pane-main {
  display: flex;
  flex-direction: column;
  min-width: 0;
  background: #0e0e0e;
}

.editor-tabs {
  display: flex;
  gap: 0.15rem;
  padding: 0.4rem 0.55rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  background: #121212;
}

.etab {
  padding: 0.45rem 0.7rem;
  border-radius: 8px 8px 0 0;
  color: rgba(255, 255, 255, 0.4);
  font-size: 0.72rem;
}

.etab.on {
  color: #fff;
  background: #0e0e0e;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-bottom-color: #0e0e0e;
}

.editor-body {
  padding: 1.35rem 1.4rem;
  color: rgba(255, 255, 255, 0.82);
}

.editor-body h3 {
  margin: 0 0 0.75rem;
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: -0.03em;
  color: #fff;
}

.editor-body p {
  margin: 0 0 1rem;
  max-width: 42ch;
  color: rgba(255, 255, 255, 0.62);
  font-size: 0.92rem;
  line-height: 1.55;
}

.editor-body ul {
  margin: 0;
  padding-left: 1.1rem;
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9rem;
}

.editor-body li + li {
  margin-top: 0.35rem;
}

.pane-preview {
  border-left: 1px solid rgba(255, 255, 255, 0.08);
  background: #141414;
  padding: 0.75rem;
}

.preview-bar {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  margin-bottom: 0.75rem;
  color: rgba(255, 255, 255, 0.4);
  font-size: 0.7rem;
}

.preview-dot {
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 50%;
  background: #28c840;
}

.preview-card {
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: #0f0f0f;
  padding: 0.9rem;
}

.preview-title {
  margin-bottom: 0.7rem;
  font-size: 0.85rem;
  font-weight: 600;
}

.preview-row {
  padding: 0.45rem 0.5rem;
  margin-bottom: 0.3rem;
  border-radius: 7px;
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.65);
  background: rgba(255, 255, 255, 0.03);
}

.preview-row.done {
  color: rgba(255, 255, 255, 0.85);
}

.preview-row.done::before {
  content: "✓ ";
  color: #28c840;
}

/* ——— Lower sections ——— */

.features,
.download {
  width: min(1120px, calc(100% - 2.5rem));
  margin: 0 auto;
  padding: 2.5rem 0 1rem;
}

.features h2,
.download h2 {
  margin: 0 0 1.25rem;
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 600;
  letter-spacing: -0.035em;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.85rem;
}

.feature-grid article {
  padding: 1.15rem 1.15rem;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.02);
}

.feature-grid h3 {
  margin: 0 0 0.4rem;
  font-size: 1rem;
  font-weight: 600;
}

.feature-grid p {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.download {
  padding-bottom: 3.5rem;
}

.download-lede {
  margin: -0.35rem 0 1.15rem;
  color: var(--muted);
}

.download-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0.65rem;
}

.download-list a {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.05rem;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.02);
  transition:
    border-color 150ms var(--ease),
    background-color 150ms var(--ease);
}

.download-list a:hover,
.download-list a[aria-current="true"] {
  border-color: rgba(255, 255, 255, 0.35);
  background: rgba(255, 255, 255, 0.06);
}

.download-list .hint {
  color: var(--muted);
  font-size: 0.8rem;
}

.footnote {
  margin: 1rem 0 0;
  color: var(--muted);
  font-size: 0.85rem;
}

.footer {
  width: min(1120px, calc(100% - 2.5rem));
  margin: 0 auto;
  padding: 1.4rem 0 2.5rem;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.88rem;
}

.footer-links {
  display: flex;
  gap: 1.1rem;
}

.footer-links a:hover {
  color: #fff;
}

@media (max-width: 920px) {
  .topnav {
    grid-template-columns: 1fr auto;
  }

  .nav-center {
    display: none;
  }

  .nav-text,
  .btn-outline {
    display: none;
  }

  .feature-grid {
    grid-template-columns: 1fr;
  }

  .app-panes {
    grid-template-columns: 1fr;
  }

  .pane-side,
  .pane-preview {
    display: none;
  }

  .hero h1 {
    max-width: 12ch;
  }
}

@media (prefers-reduced-motion: reduce) {
  .hero,
  .showcase {
    animation: none !important;
  }
}