:root {
  --ink: #1d1d1f;
  --muted: #6e6e73;
  --hairline: #d2d2d7;
  --gray: #f5f5f7;
  --blue: #0071e3;
  --link: #0066cc;
  --accent: #bf4800;
  --radius: 28px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 48px; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Helvetica Neue", sans-serif;
  color: var(--ink);
  background: #fff;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--link); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3 { margin: 0; letter-spacing: -0.03em; }
h2 { font-size: clamp(32px, 5vw, 56px); line-height: 1.07; font-weight: 700; }
h3 { font-size: 28px; line-height: 1.14; font-weight: 700; letter-spacing: -0.02em; }

.container { max-width: 1024px; margin: 0 auto; }
.narrow { max-width: 640px; margin: 0 auto; }
.center { text-align: center; }
.muted { margin: 0; color: var(--muted); font-size: 17px; line-height: 1.47; }
.lead { font-size: 19px; line-height: 1.42; margin-top: 16px; }
.eyebrow { margin: 0 0 8px; font-size: 17px; font-weight: 600; color: var(--accent); }

/* Nav */
.nav {
  position: sticky; top: 0; z-index: 10;
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
}
.nav-inner {
  max-width: 1024px; margin: 0 auto; padding: 0 22px; height: 48px;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  font-size: 12px;
}
.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-links a { color: var(--ink); }
.brand { color: var(--ink); font-size: 17px; font-weight: 600; letter-spacing: -0.02em; }

.pill {
  display: inline-flex; align-items: center; min-height: 44px;
  background: var(--blue); color: #fff !important;
  font-size: 17px; padding: 12px 24px; border-radius: 980px;
}
.pill:hover { background: #0077ed; text-decoration: none; }
.pill-sm { min-height: 0; font-size: 12px; padding: 6px 14px; font-weight: 500; }

.link-arrow { display: inline-flex; align-items: center; gap: 4px; min-height: 44px; font-size: 17px; padding: 0 8px; }

/* Hero */
.hero { padding: 96px 22px 0; text-align: center; }
.hero .eyebrow { font-size: 21px; }
.hero h1 { font-size: clamp(56px, 8vw, 96px); line-height: 1.05; letter-spacing: -0.035em; }
.hero-sub { margin: 12px auto 0; font-size: clamp(22px, 3vw, 32px); line-height: 1.2; font-weight: 500; letter-spacing: -0.015em; }
.hero-ctas { margin-top: 28px; display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

.stage {
  margin: 64px auto 0; max-width: 980px; height: clamp(360px, 48vw, 520px);
  border-radius: var(--radius) var(--radius) 0 0; background: var(--gray);
  display: flex; align-items: center; justify-content: center; overflow: hidden;
}
.device { display: flex; flex-direction: column; align-items: center; animation: sway 6s ease-in-out infinite; transform-origin: top center; }
.cord { width: 2px; height: 120px; background: #c7c7cc; }
.puck {
  width: 150px; height: 150px; border-radius: 50%; background: var(--ink);
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.25), inset 0 2px 0 rgba(255, 255, 255, 0.08);
  display: flex; align-items: center; justify-content: center;
}
.ring { width: 118px; height: 118px; border-radius: 50%; border: 1px solid #3a3a3c; display: flex; align-items: center; justify-content: center; }
.led { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 12px var(--accent); animation: pulse 2.4s ease-in-out infinite; }

@keyframes sway { 0%, 100% { transform: rotate(-1.5deg); } 50% { transform: rotate(1.5deg); } }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.35; } }
@media (prefers-reduced-motion: reduce) { .device, .led { animation: none; } }

/* Statement */
.statement { padding: 120px 22px; background: #000; color: #f5f5f7; text-align: center; }
.statement p { max-width: 820px; margin: 0 auto; font-size: clamp(28px, 4.2vw, 48px); line-height: 1.12; font-weight: 600; letter-spacing: -0.025em; }
.statement span { color: #86868b; }

/* Tiles */
.tiles-section { padding: 120px 22px; background: var(--gray); }
.tiles-section h2 { margin-bottom: 48px; }
.tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 20px; }
.tile {
  background: #fff; border-radius: var(--radius); padding: 40px; min-height: 360px;
  display: flex; flex-direction: column; gap: 16px;
}
.tile-wide { grid-column: 1 / -1; justify-content: space-between; }
.tile-title-lg { font-size: clamp(28px, 3.4vw, 40px); line-height: 1.1; letter-spacing: -0.025em; }
.tile-wide .lead { max-width: 520px; }
.chat { margin-top: 16px; display: flex; flex-direction: column; gap: 10px; max-width: 560px; }
.bubble { align-self: flex-start; background: var(--gray); border-radius: 18px; padding: 10px 16px; font-size: 15px; }
.bubble strong { font-weight: 600; }
.bubble-me { align-self: flex-end; background: var(--blue); color: #fff; }

/* Steps */
.steps-section { padding: 120px 22px; }
.steps-section h2 { margin-bottom: 64px; }
.steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 48px; }
.steps li { display: flex; flex-direction: column; gap: 12px; }
.steps h3 { font-size: 24px; font-weight: 600; letter-spacing: -0.015em; }
.num { font-size: 48px; font-weight: 700; letter-spacing: -0.03em; color: var(--hairline); }

/* Privacy */
.privacy-section { padding: 24px 22px 120px; }
.privacy {
  max-width: 1024px; margin: 0 auto; background: #000; color: #f5f5f7;
  border-radius: var(--radius); padding: clamp(40px, 6vw, 80px);
  display: flex; flex-wrap: wrap; gap: 48px; align-items: center;
}
.privacy-head, .privacy-list { flex: 1 1 360px; min-width: 0; }
.privacy-head h2 { margin-top: 20px; font-size: clamp(32px, 4.5vw, 48px); line-height: 1.08; }
.privacy-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 20px; font-size: 19px; line-height: 1.42; color: #a1a1a6; }
.privacy-list strong { color: #f5f5f7; font-weight: 600; }

/* Waitlist */
.waitlist { padding: 120px 22px; background: var(--gray); text-align: center; }
.waitlist .lead { font-size: 21px; }
.soon { display: inline-block; margin: 36px 0 0; padding: 10px 22px; border-radius: 980px; border: 1px solid var(--hairline); font-size: 17px; font-weight: 500; color: var(--ink); background: #fff; }

/* Footer */
.footer { background: var(--gray); padding: 0 22px 40px; font-size: 12px; color: var(--muted); }
.footer-inner { max-width: 1024px; margin: 0 auto; border-top: 1px solid var(--hairline); padding-top: 20px; }

@media (max-width: 640px) {
  .nav-links { gap: 16px; }
  .nav-links a:not(.pill) { display: none; }
  .tile { padding: 28px; min-height: 0; }
  .tiles { grid-template-columns: 1fr; }
}