:root {
  --bg: #050505;
  --fg: #f5f5f5;
  --fg-dim: #a8a8a8;
  --fg-mute: #6a6a6a;
  --line: rgba(255, 255, 255, 0.1);
  --line-strong: rgba(255, 255, 255, 0.2);
  --font: "Baloo 2", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  --pad-x: clamp(20px, 5vw, 64px);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --mx: 50vw;
  --my: 50vh;
  --reveal: 150px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; height: 100%; overflow: hidden; }

body {
  background: #000;
  color: var(--fg);
  font-family: var(--font);
  font-weight: 400;
  font-size: 16px;
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  display: flex;
  flex-direction: column;
  min-height: 100svh;
  position: relative;
}

a { color: inherit; text-decoration: none; }
button { font-family: inherit; }

/* Layer 1: black base */
.bg-base {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse 80% 60% at 15% 0%, rgba(255, 255, 255, 0.03), transparent 60%),
    linear-gradient(180deg, #050505 0%, #000 100%);
}

/* Layer 2: hidden engine, revealed by cursor mask (hidden until cursor moves) */
.engine-wrap {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.6s ease;
  -webkit-mask-image: radial-gradient(
    var(--reveal) circle at var(--mx) var(--my),
    rgba(0, 0, 0, 1) 0%,
    rgba(0, 0, 0, 0.8) 35%,
    rgba(0, 0, 0, 0) 75%
  );
  mask-image: radial-gradient(
    var(--reveal) circle at var(--mx) var(--my),
    rgba(0, 0, 0, 1) 0%,
    rgba(0, 0, 0, 0.8) 35%,
    rgba(0, 0, 0, 0) 75%
  );
}
body.cursor-active .engine-wrap { opacity: 1; }
.engine, .engine-cowl {
  position: absolute;
  top: 50%;
  left: 50%;
  width: min(140vmin, 1100px);
  height: min(140vmin, 1100px);
  transform: translate(-50%, -50%);
  opacity: 0.85;
}
.engine {
  transform-origin: center center;
}

/* Layer 3: soft v1-style glow that follows cursor (hidden until cursor moves) */
.bg-cursor {
  position: fixed;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  opacity: 0;
  background: radial-gradient(
    200px circle at var(--mx) var(--my),
    rgba(255, 255, 255, 0.04),
    rgba(255, 255, 255, 0.012) 30%,
    transparent 65%
  );
  transition: background 0.08s linear, opacity 0.6s ease;
}
body.cursor-active .bg-cursor { opacity: 1; }

/* Layer 4: grain */
.bg-grain {
  position: fixed;
  inset: 0;
  z-index: 3;
  pointer-events: none;
  opacity: 0.04;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
}

.nav, .hero, .foot { position: relative; z-index: 5; }

/* Nav */
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px var(--pad-x);
}
.brand {
  font-family: var(--font);
  font-weight: 700;
  font-size: 22px;
  letter-spacing: -0.015em;
  text-transform: lowercase;
  color: var(--fg);
}
.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 500;
  color: var(--fg-dim);
  padding: 9px 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(8px);
  transition: color 0.25s var(--ease), background 0.25s var(--ease), border-color 0.25s var(--ease), transform 0.25s var(--ease);
}
.nav-cta:hover {
  color: var(--fg);
  background: rgba(255, 255, 255, 0.06);
  border-color: var(--line-strong);
  transform: translateY(-1px);
}

/* Hero */
.hero {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 0 var(--pad-x);
  max-width: 1280px;
  width: 100%;
  margin: 0 auto;
  min-height: 0;
}
.hero-text {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 22px;
}

h1 {
  font-family: var(--font);
  font-weight: 700;
  font-size: clamp(40px, 6.4vw, 80px);
  line-height: 1.02;
  letter-spacing: -0.035em;
  margin: 0;
  text-transform: lowercase;
  background: linear-gradient(180deg, #ffffff 0%, #b8b8b8 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: rise 0.9s var(--ease) 0.08s both;
  text-shadow: 0 2px 30px rgba(0, 0, 0, 0.6);
}
h1 .line { display: block; white-space: nowrap; }

.sub {
  font-size: clamp(15px, 1.4vw, 19px);
  font-weight: 400;
  color: var(--fg-dim);
  margin: 0;
  max-width: 520px;
  letter-spacing: -0.005em;
  animation: rise 0.9s var(--ease) 0.16s both;
}

/* Footer */
.foot {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px var(--pad-x);
  font-size: 13px;
  font-weight: 500;
  color: var(--fg-mute);
  flex-wrap: wrap;
  gap: 12px;
  border-top: 1px solid var(--line);
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(6px);
}
.foot a {
  color: var(--fg-dim);
  font-size: 16px;
  font-weight: 600;
  transition: color 0.25s var(--ease);
}
.foot a:hover { color: var(--fg); }
.muted { color: var(--fg-mute); }

@keyframes rise {
  from { opacity: 0; transform: translateY(14px); }
  to { opacity: 1; transform: none; }
}

@media (max-height: 640px) {
  h1 { font-size: clamp(32px, 6vw, 56px); }
  .sub { font-size: 14px; }
}

/* MOBILE — hide the engine reveal entirely, fall back to v1's clean static layout */
@media (max-width: 640px) {
  :root {
    --pad-x: 18px;
  }
  .engine-wrap,
  .bg-cursor,
  .bg-grain {
    display: none;
  }
  .bg-base {
    background:
      radial-gradient(ellipse 80% 60% at 15% 0%, rgba(255, 255, 255, 0.10), transparent 60%),
      radial-gradient(ellipse 70% 60% at 100% 100%, rgba(255, 255, 255, 0.05), transparent 55%),
      linear-gradient(180deg, #0a0a0a 0%, #030303 100%);
  }
  .nav {
    padding: 16px var(--pad-x);
  }
  .brand {
    font-size: 18px;
  }
  .nav-cta {
    font-size: 13px;
    padding: 7px 13px;
  }
  h1 {
    font-size: clamp(22px, 7vw, 56px);
    letter-spacing: -0.03em;
    line-height: 1.04;
  }
  .sub {
    font-size: 15px;
    padding: 0 8px;
  }
  .hero-text {
    gap: 16px;
  }
  .foot {
    padding: 18px var(--pad-x);
    justify-content: center;
    text-align: center;
    gap: 8px;
  }
  .foot a {
    font-size: 16px;
    font-weight: 600;
    color: var(--fg);
    flex: 1 1 100%;
  }
  .foot .muted {
    font-size: 12px;
    flex: 1 1 100%;
  }
}

/* Very small phones (≤360px) — iPhone SE, etc. */
@media (max-width: 360px) {
  h1 { font-size: 22px; }
  .brand { font-size: 17px; }
  .nav-cta { padding: 6px 11px; font-size: 12px; }
  .foot a { font-size: 15px; }
}

@media (prefers-reduced-motion: reduce) {
  h1, .sub { animation: none; }
}