:root {
  --bg-top: #f8f5ee;
  --bg-bottom: #e8e2d6;
  --paper: #f6f3ec;
  --text: #121212;
  --muted: #5c5c5c;
  --border: #121212;
  --hair: rgba(18, 18, 18, 0.14);
  --accent-light: #3f3f3f;
  --accent-dark: #0d0d0d;
  --on-accent: #f6f3ec;
  --fill: linear-gradient(165deg, var(--accent-light), var(--accent-dark));
  --mono: "IBM Plex Mono", ui-monospace, monospace;
  --sans: "Syne", "Helvetica Neue", sans-serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  font-family: var(--sans);
  font-weight: 600;
  background:
    radial-gradient(1200px 700px at 12% -10%, rgba(255, 255, 255, 0.55), transparent 55%),
    radial-gradient(900px 600px at 90% 8%, rgba(80, 70, 55, 0.12), transparent 50%),
    linear-gradient(165deg, #d9d0c4 0%, #c4b8a8 45%, #b5a898 100%);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

.grain {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 0;
  opacity: 0.07;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

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

.site-nav,
main,
.site-foot {
  position: relative;
  z-index: 1;
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 22px clamp(20px, 4vw, 56px);
  max-width: 1280px;
  margin: 0 auto;
}

.nav-brand {
  font-family: var(--sans);
  font-weight: 800;
  font-size: 22px;
  letter-spacing: -0.04em;
}

.nav-links {
  display: flex;
  gap: 28px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}

.nav-links a:hover {
  color: var(--text);
}

.nav-cta {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  border: 1px solid var(--border);
  padding: 10px 14px;
}

.nav-cta:hover {
  background: var(--fill);
  color: var(--on-accent);
}

/* Hero — one composition */
.hero {
  min-height: calc(100vh - 72px);
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  align-items: center;
  gap: clamp(32px, 5vw, 72px);
  padding: 24px clamp(20px, 4vw, 56px) 64px;
  max-width: 1280px;
  margin: 0 auto;
}

.brand-mark {
  margin: 0;
  font-family: var(--sans);
  font-weight: 800;
  font-size: clamp(56px, 9vw, 104px);
  line-height: 0.9;
  letter-spacing: -0.05em;
}

.hero h1,
.get h2 {
  margin: 12px 0 0;
  font-family: var(--mono);
  font-size: clamp(14px, 2vw, 18px);
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.hero-lede,
.get-lede {
  margin: 18px 0 0;
  max-width: 28ch;
  font-size: clamp(18px, 2.2vw, 22px);
  font-weight: 500;
  line-height: 1.35;
  color: var(--muted);
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  border: 1px solid var(--border);
  transition: transform 0.35s var(--ease), background 0.25s ease, color 0.25s ease;
}

.btn.primary {
  background: var(--fill);
  color: var(--on-accent);
}

.btn.ghost {
  background: transparent;
}

.btn:hover {
  transform: translateY(-2px);
}

.hero-stage {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
}

.hero-stage::before {
  content: "";
  position: absolute;
  width: min(520px, 90vw);
  height: min(520px, 90vw);
  border-radius: 50%;
  background: radial-gradient(circle, rgba(246, 243, 236, 0.85), transparent 68%);
  z-index: 0;
  animation: pulse 7s var(--ease) infinite;
}

.hero-hint {
  position: relative;
  z-index: 1;
  margin: 18px 0 0;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}

@keyframes pulse {
  0%,
  100% {
    transform: scale(1);
    opacity: 0.9;
  }
  50% {
    transform: scale(1.06);
    opacity: 1;
  }
}

/* Phone chrome */
.phone {
  position: relative;
  z-index: 1;
  width: min(320px, 78vw);
  filter: drop-shadow(0 28px 50px rgba(18, 18, 18, 0.28));
}

.hero-phone {
  animation: floatPhone 6.5s var(--ease) infinite;
}

@keyframes floatPhone {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

.phone-bezel {
  background: linear-gradient(180deg, var(--bg-top), var(--bg-bottom));
  border: 1px solid var(--border);
  overflow: hidden;
}

.phone-notch {
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  border-bottom: 1px solid var(--hair);
}

.phone-notch::after {
  content: "Track";
}

.phone-screen {
  min-height: 480px;
  padding: 16px 16px 12px;
}

.phone-tabs {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  border-top: 1px solid var(--border);
}

.phone-tabs span {
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--mono);
  font-size: 8px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-right: 1px solid var(--border);
  color: var(--muted);
}

.phone-tabs span:last-child {
  border-right: 0;
}

.phone-tabs span.is-on {
  background: var(--fill);
  color: var(--on-accent);
}

/* In-phone UI bits */
.ui-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.ui-brand {
  font-weight: 800;
  font-size: 22px;
  letter-spacing: -0.04em;
}

.ui-chip {
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border: 1px solid var(--border);
  padding: 6px 8px;
}

.ui-ring-wrap {
  display: flex;
  justify-content: center;
  margin: 28px 0 14px;
}

.ui-ring {
  --p: 0.72;
  width: 168px;
  height: 168px;
  border-radius: 50%;
  background: conic-gradient(
    var(--accent-dark) 0 calc(var(--p) * 360deg),
    rgba(18, 18, 18, 0.12) 0
  );
  display: grid;
  place-items: center;
  cursor: pointer;
  transition: transform 0.35s var(--ease);
}

.ui-ring:hover {
  transform: scale(1.03);
}

.ui-ring-inner {
  width: 132px;
  height: 132px;
  border-radius: 50%;
  background: linear-gradient(180deg, var(--bg-top), var(--bg-bottom));
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.ui-label {
  margin: 0;
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}

.ui-value {
  margin: 6px 0 0;
  font-family: var(--mono);
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.04em;
}

.ui-goal {
  margin: 4px 0 0;
  font-family: var(--mono);
  font-size: 10px;
  color: var(--muted);
}

.ui-under {
  text-align: center;
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

.ui-chart {
  margin-top: 18px;
  border: 1px solid var(--border);
  padding: 10px;
}

.ui-chart-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}

.ui-bars {
  display: flex;
  align-items: flex-end;
  gap: 2px;
  height: 56px;
}

.ui-bars i {
  flex: 1;
  display: block;
  background: var(--fill);
  opacity: 0.72;
  min-height: 4px;
}

.ui-bars i.is-today {
  opacity: 1;
  outline: 1px solid var(--border);
  outline-offset: -1px;
}

.ui-actions {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
  margin-top: 14px;
}

.ui-action {
  border: 1px solid var(--border);
  min-height: 54px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-family: var(--mono);
  font-size: 8px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.ui-action svg {
  width: 16px;
  height: 16px;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.6;
}

.ui-fuel {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 8px;
  text-align: center;
}

.ui-plate {
  --fill-pct: 48;
  width: 88px;
  height: 88px;
  margin: 0 auto;
  border-radius: 50%;
  border: 1.5px solid var(--border);
  position: relative;
  background: conic-gradient(
    var(--accent-light) 0,
    var(--accent-dark) calc(var(--fill-pct) * 1%),
    transparent 0
  );
}

.ui-plate::after {
  content: "";
  position: absolute;
  inset: 26%;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: linear-gradient(180deg, var(--bg-top), var(--bg-bottom));
}

.ui-glass {
  --fill-pct: 55;
  width: 42px;
  height: 72px;
  margin: 8px auto 0;
  border: 1.5px solid var(--border);
  clip-path: polygon(12% 0, 88% 0, 96% 100%, 4% 100%);
  position: relative;
  overflow: hidden;
}

.ui-glass::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: calc(var(--fill-pct) * 1%);
  background: var(--fill);
}

.ui-metric {
  margin: 8px 0 0;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 700;
}

.ui-goals {
  margin-top: 16px;
  display: grid;
  gap: 6px;
}

.ui-goal-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-height: 40px;
  padding: 0 10px;
  border: 1px solid var(--border);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.ui-goal-row.is-on {
  background: var(--fill);
  color: var(--on-accent);
}

/* Feature sections */
.feature {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(28px, 5vw, 72px);
  align-items: center;
  padding: 96px clamp(20px, 4vw, 56px);
  max-width: 1280px;
  margin: 0 auto;
}

.feature.invert .feature-copy {
  order: 2;
}

.feature.invert .feature-visual {
  order: 1;
}

.kicker {
  margin: 0;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
}

.feature h2,
.showcase-grid h2 {
  margin: 10px 0 0;
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 800;
  letter-spacing: -0.035em;
  line-height: 1.05;
  max-width: 14ch;
}

.feature-copy p:not(.kicker) {
  margin: 16px 0 0;
  max-width: 36ch;
  font-size: 17px;
  font-weight: 500;
  line-height: 1.45;
  color: var(--muted);
}

.feature-visual {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
}

.feature-visual.strip {
  display: grid;
  width: 100%;
  gap: 0;
  border: 1px solid var(--border);
  background: linear-gradient(180deg, rgba(248, 245, 238, 0.92), rgba(232, 226, 214, 0.92));
}

.strip-item {
  padding: 22px 24px;
  border-bottom: 1px solid var(--hair);
}

.strip-item:last-child {
  border-bottom: 0;
}

.strip-label {
  margin: 0;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}

.strip-value {
  margin: 8px 0 0;
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.metric-rail {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
}

.metric-chip {
  border: 1px solid var(--border);
  background: transparent;
  min-height: 36px;
  padding: 0 14px;
  cursor: pointer;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.metric-chip.is-on {
  background: var(--fill);
  color: var(--on-accent);
}

.showcase-grid {
  padding: 48px clamp(20px, 4vw, 56px) 96px;
  max-width: 1280px;
  margin: 0 auto;
}

.showcase-grid .grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  margin-top: 36px;
  border: 1px solid var(--border);
  background: linear-gradient(180deg, rgba(248, 245, 238, 0.9), rgba(232, 226, 214, 0.9));
}

.showcase-grid .grid article {
  padding: 28px 24px;
  border-right: 1px solid var(--hair);
}

.showcase-grid .grid article:last-child {
  border-right: 0;
}

.grid-label {
  margin: 0;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.showcase-grid .grid p:last-child {
  margin: 12px 0 0;
  font-weight: 500;
  color: var(--muted);
  line-height: 1.4;
}

.get {
  text-align: center;
  padding: 96px clamp(20px, 4vw, 56px) 80px;
  max-width: 900px;
  margin: 0 auto;
}

.get .brand-mark {
  font-size: clamp(64px, 12vw, 120px);
}

.get .hero-cta {
  justify-content: center;
}

.get-lede {
  margin-left: auto;
  margin-right: auto;
}

.site-foot {
  display: flex;
  justify-content: space-between;
  padding: 24px clamp(20px, 4vw, 56px) 40px;
  max-width: 1280px;
  margin: 0 auto;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

/* Reveal */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

.reveal.is-in {
  opacity: 1;
  transform: none;
}

@media (max-width: 900px) {
  .nav-links {
    display: none;
  }

  .hero,
  .feature {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .feature.invert .feature-copy,
  .feature.invert .feature-visual {
    order: unset;
  }

  .hero-copy {
    text-align: left;
  }

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

  .showcase-grid .grid article {
    border-right: 0;
    border-bottom: 1px solid var(--hair);
  }

  .showcase-grid .grid article:last-child {
    border-bottom: 0;
  }

  .phone-screen {
    min-height: 420px;
  }
}