:root {
  --logo-start: #4db3ff;
  --logo-end: #e666ff;
  --logo-angle: 0deg;
  --ink: #1d1d1f;
  --paper: #ffffff;
  --muted: #86868b;
  --hairline: rgba(0, 0, 0, 0.06);
  --stage-max: 640px;
  --content-max: 680px;
}

@property --logo-angle {
  syntax: "<angle>";
  inherits: false;
  initial-value: 0deg;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "SF Pro Display",
    "Helvetica Neue", Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-feature-settings: "kern" 1;
  line-height: 1.47059;
  letter-spacing: -0.022em;
}

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

/* —— Hero —— */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 48px 28px;
  overflow: hidden;
  background: var(--paper);
}

.hero-grid {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(var(--hairline) 1px, transparent 1px),
    linear-gradient(90deg, var(--hairline) 1px, transparent 1px);
  background-size: 50px 50px;
  mask-image: radial-gradient(
    ellipse 90% 80% at 50% 48%,
    black 0%,
    transparent 72%
  );
}

.hero-stage {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  width: 100%;
  max-width: var(--stage-max);
}

.logo {
  margin: 0;
  font-size: clamp(64px, 14vw, 96px);
  font-weight: 700;
  letter-spacing: -0.045em;
  line-height: 1;
  background: conic-gradient(
    from var(--logo-angle) at 50% 50%,
    var(--logo-start) 0deg,
    var(--logo-end) 180deg,
    var(--logo-start) 360deg
  );
  background-size: 260% 260%;
  background-position: 62% 50%;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: logo-spin 12s linear infinite;
}

@keyframes logo-spin {
  to {
    --logo-angle: 360deg;
  }
}

.tagline {
  margin: 20px 0 0;
  font-size: clamp(21px, 3.8vw, 28px);
  font-weight: 400;
  letter-spacing: -0.024em;
  line-height: 1.2;
  color: var(--muted);
}

.coming-soon {
  margin: 24px 0 0;
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

/* —— Intro —— */
.intro {
  padding: 0 28px 96px;
  text-align: center;
}

.intro-copy {
  max-width: 34em;
  margin: 0 auto;
  font-size: clamp(17px, 2.4vw, 21px);
  font-weight: 400;
  letter-spacing: -0.018em;
  line-height: 1.52;
  color: var(--muted);
}

/* —— Legal —— */
.main {
  padding: 0 24px 48px;
  border-top: 1px solid var(--hairline);
}

.panel {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 72px 0 0;
}

.panel + .panel {
  padding-top: 64px;
  margin-top: 64px;
  border-top: 1px solid var(--hairline);
}

.panel h2 {
  margin: 0 0 8px;
  font-size: 32px;
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 1.1;
}

.panel .meta {
  margin: 0 0 40px;
  font-size: 14px;
  color: var(--muted);
}

.panel h3 {
  margin: 36px 0 10px;
  font-size: 17px;
  font-weight: 600;
  letter-spacing: -0.022em;
}

.panel p,
.panel li {
  margin: 0 0 14px;
  font-size: 15px;
  letter-spacing: -0.011em;
  line-height: 1.55;
  color: var(--ink);
}

.panel ul {
  margin: 0 0 14px;
  padding-left: 1.15em;
}

.panel li {
  margin-bottom: 10px;
}

.panel a {
  color: var(--ink);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: rgba(0, 0, 0, 0.25);
  transition: text-decoration-color 0.2s ease;
}

.panel a:hover {
  text-decoration-color: var(--ink);
}

/* —— Footer —— */
.site-footer {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 56px 24px 64px;
  text-align: center;
  border-top: 1px solid var(--hairline);
}

.site-footer-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 6px 10px;
  margin-bottom: 16px;
  font-size: 12px;
  letter-spacing: -0.01em;
}

.site-footer-nav a {
  color: var(--muted);
  transition: color 0.2s ease;
}

.site-footer-nav a:hover {
  color: var(--ink);
}

.site-footer-dot {
  color: var(--hairline);
  user-select: none;
}

.site-footer-copy {
  margin: 0;
  font-size: 12px;
  color: var(--muted);
}

@media (max-width: 480px) {
  .hero {
    padding: 40px 20px;
  }

  .intro {
    padding: 0 20px 72px;
  }

  .panel {
    padding-top: 56px;
  }

  .panel + .panel {
    padding-top: 48px;
    margin-top: 48px;
  }

  .panel h2 {
    font-size: 26px;
  }

  .site-footer {
    padding-bottom: 48px;
  }
}

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

  .logo {
    animation: none;
    background: linear-gradient(
      90deg,
      var(--logo-start) 0%,
      var(--logo-end) 100%
    );
    background-size: 100% 100%;
    background-position: 0 0;
    -webkit-background-clip: text;
    background-clip: text;
  }
}