:root {
  --bg: #040507;
  --panel: rgba(14, 18, 26, 0.84);
  --panel-strong: rgba(18, 24, 34, 0.94);
  --line: rgba(255, 255, 255, 0.08);
  --line-strong: rgba(255, 255, 255, 0.14);
  --text: #f3f3f2;
  --muted: rgba(243, 243, 242, 0.7);
  --soft: rgba(243, 243, 242, 0.48);
  --cyan: #4af0de;
  --cyan-soft: rgba(74, 240, 222, 0.16);
  --amber: #ffbe63;
  --amber-soft: rgba(255, 190, 99, 0.16);
  --shadow: 0 30px 80px rgba(0, 0, 0, 0.45);
  --radius-xl: 32px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --site-width: min(1180px, calc(100vw - 2rem));
  --display: clamp(3.1rem, 7vw, 6.7rem);
  --title: clamp(1.8rem, 3vw, 3rem);
  --body: clamp(1rem, 1.5vw, 1.12rem);
  --copy: "Avenir Next", "Gill Sans", "Trebuchet MS", sans-serif;
  --headline: "Avenir Next", "Arial Rounded MT Bold", "Trebuchet MS", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at 12% 18%, rgba(88, 118, 170, 0.18), transparent 30%),
    radial-gradient(circle at 84% 74%, rgba(255, 190, 99, 0.14), transparent 26%),
    linear-gradient(180deg, #050609 0%, #030406 100%);
  font-family: var(--copy);
  min-height: 100vh;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(circle at center, black, transparent 80%);
  opacity: 0.34;
}

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

img {
  display: block;
  max-width: 100%;
}

.site-shell {
  width: var(--site-width);
  margin: 0 auto;
  padding: 1rem 0 2rem;
}

.topbar,
.footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  margin-top: 0.5rem;
  padding: 0.8rem 1rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(8, 10, 14, 0.76);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.9rem;
  font-family: var(--headline);
  font-weight: 800;
  letter-spacing: 0.02em;
}

.brand img {
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 0.85rem;
  box-shadow: 0 16px 30px rgba(0, 0, 0, 0.28);
}

.topnav {
  display: inline-flex;
  align-items: center;
  gap: 1.25rem;
  color: var(--muted);
  font-size: 0.94rem;
}

.topnav a:hover,
.footer a:hover {
  color: var(--text);
}

.section {
  margin-top: 2rem;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.9fr);
  gap: clamp(1.4rem, 3vw, 3.5rem);
  align-items: center;
  padding: clamp(1.4rem, 2vw, 2rem) 0 1rem;
}

.eyebrow {
  margin: 0 0 0.85rem;
  color: var(--cyan);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.78rem;
  font-weight: 800;
}

.hero h1,
.section-heading h2,
.split-card h2 {
  margin: 0;
  font-family: var(--headline);
  line-height: 0.94;
  letter-spacing: -0.04em;
}

.hero h1 {
  max-width: 10ch;
  font-size: var(--display);
}

.hero-text,
.feature-card p,
.preview-tile p,
.split-card p,
.footer,
.section-heading.narrow {
  color: var(--muted);
  font-size: var(--body);
  line-height: 1.6;
}

.hero-text {
  max-width: 60ch;
  margin: 1.3rem 0 0;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 1.8rem;
}

.cta {
  min-width: min(15rem, 100%);
  padding: 1rem 1.15rem;
  border-radius: 20px;
  border: 1px solid var(--line-strong);
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.cta span {
  font-family: var(--headline);
  font-size: 1.02rem;
  font-weight: 800;
}

.cta small {
  color: var(--soft);
}

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

.is-disabled {
  cursor: default;
}

.is-disabled:hover {
  transform: none;
}

.cta-primary {
  background: linear-gradient(135deg, rgba(18, 25, 35, 0.98), rgba(8, 12, 17, 0.98));
  box-shadow: var(--shadow);
}

.cta-secondary {
  background: linear-gradient(135deg, rgba(16, 19, 27, 0.9), rgba(11, 14, 20, 0.74));
}

.cta-primary:hover {
  border-color: rgba(74, 240, 222, 0.28);
}

.cta-secondary:hover {
  border-color: rgba(255, 190, 99, 0.26);
}

.signal-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.9rem;
  margin: 1.7rem 0 0;
}

.signal-grid div {
  padding: 1rem;
  background: linear-gradient(180deg, rgba(13, 16, 23, 0.92), rgba(10, 13, 18, 0.7));
  border: 1px solid var(--line);
  border-radius: 20px;
}

.signal-grid dt {
  color: var(--soft);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.signal-grid dd {
  margin: 0.55rem 0 0;
  font-family: var(--headline);
  font-weight: 800;
  line-height: 1.3;
}

.hero-stage {
  position: relative;
  min-height: 42rem;
  display: grid;
  place-items: center;
}

.orb {
  position: absolute;
  filter: blur(32px);
  opacity: 0.58;
}

.orb-cyan {
  top: 10%;
  left: 8%;
  width: 12rem;
  height: 12rem;
  background: var(--cyan-soft);
}

.orb-amber {
  right: 8%;
  bottom: 8%;
  width: 14rem;
  height: 14rem;
  background: var(--amber-soft);
}

.device-cluster {
  position: relative;
  width: min(100%, 32rem);
  height: 35rem;
}

.phone-card {
  position: absolute;
  border-radius: 2.2rem;
  background: linear-gradient(180deg, rgba(18, 22, 31, 0.96), rgba(8, 10, 14, 0.94));
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.phone-card-main {
  inset: 1.5rem 5rem 2.8rem 0;
  padding: 1.25rem;
}

.phone-card-side {
  right: 0;
  top: 5.4rem;
  width: 13rem;
  height: 22rem;
  padding: 1rem;
  transform: rotate(8deg);
  background: linear-gradient(180deg, rgba(24, 29, 41, 0.96), rgba(11, 13, 17, 0.96));
}

.phone-status,
.preview-topline,
.phone-footer {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
}

.phone-status,
.preview-topline {
  color: var(--soft);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.wave-grid {
  height: 72%;
  margin-top: 1rem;
  border-radius: 1.7rem;
  background:
    linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(180deg, rgba(11, 16, 24, 0.8), rgba(21, 28, 41, 0.24));
  background-size: 2.4rem 2.4rem, 2.4rem 2.4rem, auto;
}

.pose-line {
  position: absolute;
  inset-inline: auto;
  height: 3px;
  border-radius: 999px;
  background: linear-gradient(90deg, transparent, var(--cyan), transparent);
  opacity: 0.85;
}

.pose-line-a {
  left: 2rem;
  top: 30%;
  width: 65%;
}

.pose-line-b {
  left: 4rem;
  top: 44%;
  width: 56%;
}

.pose-line-c {
  left: 5rem;
  top: 57%;
  width: 52%;
  background: linear-gradient(90deg, transparent, var(--amber), transparent);
}

.phone-footer {
  align-items: end;
  margin-top: 1.1rem;
}

.phone-footer strong,
.mini-screen h2,
.feature-card h3,
.preview-tile h3 {
  font-family: var(--headline);
  font-weight: 800;
}

.phone-footer p,
.mini-screen ul {
  margin: 0.4rem 0 0;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.55;
}

.mini-screen {
  height: 100%;
  border-radius: 1.35rem;
  padding: 1rem;
  background: linear-gradient(180deg, rgba(16, 21, 29, 0.94), rgba(10, 13, 18, 0.98));
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.mini-tag {
  display: inline-block;
  padding: 0.32rem 0.54rem;
  color: var(--amber);
  background: rgba(255, 190, 99, 0.12);
  border-radius: 999px;
  font-size: 0.73rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.mini-screen h2 {
  margin: 1rem 0 0;
  font-size: 1.25rem;
}

.mini-screen ul {
  padding-left: 1rem;
}

.ticker {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  padding: 1rem 1.1rem;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  color: var(--soft);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.79rem;
}

.ticker span::after {
  content: "•";
  margin-left: 0.9rem;
  color: var(--cyan);
}

.ticker span:last-child::after {
  display: none;
}

.section-heading {
  display: grid;
  gap: 0.8rem;
  margin-bottom: 1.35rem;
}

.section-heading h2 {
  max-width: 13ch;
  font-size: var(--title);
}

.section-heading.narrow h2 {
  max-width: 15ch;
}

.feature-grid,
.preview-grid,
.split-section {
  display: grid;
  gap: 1rem;
}

.feature-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.preview-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.split-section {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.feature-card,
.preview-tile,
.split-card {
  padding: 1.2rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, rgba(15, 19, 27, 0.9), rgba(9, 11, 16, 0.8));
}

.feature-index {
  display: inline-block;
  margin-bottom: 1.8rem;
  color: var(--cyan);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.16em;
}

.feature-card h3,
.preview-tile h3,
.split-card h2 {
  margin: 0;
}

.feature-card p,
.preview-tile p,
.split-card p {
  margin: 0.75rem 0 0;
}

.preview-screen {
  position: relative;
  min-height: 16rem;
  margin: 1rem 0 1.1rem;
  border-radius: 1.5rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  overflow: hidden;
  background: linear-gradient(180deg, rgba(20, 27, 38, 0.94), rgba(9, 12, 17, 0.98));
}

.screen-shell {
  position: absolute;
  inset: 0;
  padding: 1rem;
}

.screen-chip,
.screen-footer-note {
  position: absolute;
  left: 1rem;
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.screen-chip {
  top: 1rem;
  padding: 0.38rem 0.62rem;
  background: rgba(255, 255, 255, 0.08);
  color: var(--text);
}

.screen-score {
  position: absolute;
  right: 1rem;
  top: 1rem;
  font-family: var(--headline);
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: -0.05em;
  color: rgba(255, 255, 255, 0.92);
}

.screen-list {
  position: absolute;
  left: 1rem;
  right: 1rem;
  bottom: 1rem;
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.screen-list span,
.screen-footer-note {
  padding: 0.42rem 0.65rem;
  background: rgba(255, 255, 255, 0.07);
  color: var(--muted);
}

.screen-footer-note {
  bottom: 1rem;
}

.preview-running::before,
.preview-workout::before,
.preview-history::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 2rem 2rem;
}

.runner-path {
  position: absolute;
  inset: 26% 15% 28% 14%;
  border-left: 2px solid rgba(74, 240, 222, 0.9);
  border-bottom: 2px solid rgba(74, 240, 222, 0.9);
  border-radius: 2rem;
  transform: skewX(-20deg);
}

.runner-node,
.metric-bar,
.history-line {
  position: absolute;
  border-radius: 999px;
}

.runner-node {
  width: 0.9rem;
  height: 0.9rem;
  background: var(--amber);
  box-shadow: 0 0 0 10px rgba(255, 190, 99, 0.08);
}

.node-a { top: 26%; left: 34%; }
.node-b { top: 44%; left: 49%; }
.node-c { top: 58%; left: 61%; }

.metric-bar {
  left: 14%;
  right: 14%;
  height: 1rem;
  background: rgba(255, 255, 255, 0.08);
}

.metric-bar::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
}

.metric-bar-strong { top: 28%; }
.metric-bar-mid { top: 46%; }
.metric-bar-soft { top: 64%; }
.metric-bar-strong::after { width: 82%; background: linear-gradient(90deg, var(--cyan), rgba(74, 240, 222, 0.45)); }
.metric-bar-mid::after { width: 64%; background: linear-gradient(90deg, #9efbe7, rgba(158, 251, 231, 0.35)); }
.metric-bar-soft::after { width: 42%; background: linear-gradient(90deg, var(--amber), rgba(255, 190, 99, 0.34)); }

.history-line {
  left: 12%;
  right: 12%;
  height: 2px;
  background: rgba(255, 255, 255, 0.08);
}

.history-line::before {
  content: "";
  position: absolute;
  top: -6px;
  width: 0.9rem;
  height: 0.9rem;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 8px rgba(74, 240, 222, 0.08);
}

.history-line-a { top: 28%; }
.history-line-b { top: 48%; }
.history-line-c { top: 68%; }
.history-line-a::before { left: 18%; }
.history-line-b::before { left: 52%; background: var(--amber); box-shadow: 0 0 0 8px rgba(255, 190, 99, 0.08); }
.history-line-c::before { left: 72%; }

.download-panel {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(260px, 0.85fr);
  gap: 1.25rem;
  padding: 1.4rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background:
    radial-gradient(circle at right center, rgba(255, 190, 99, 0.1), transparent 28%),
    radial-gradient(circle at left top, rgba(74, 240, 222, 0.09), transparent 26%),
    linear-gradient(180deg, rgba(16, 20, 29, 0.92), rgba(9, 11, 16, 0.88));
}

.download-copy h2 {
  margin: 0;
  font-family: var(--headline);
  font-size: var(--title);
  letter-spacing: -0.04em;
  line-height: 0.96;
}

.download-copy p:last-child {
  margin: 0.8rem 0 0;
  color: var(--muted);
  line-height: 1.6;
}

.download-actions {
  display: grid;
  gap: 0.9rem;
  align-content: center;
}

.store-badge {
  padding: 1rem 1.05rem;
  border-radius: 22px;
  border: 1px solid var(--line-strong);
  background: rgba(10, 13, 18, 0.84);
  box-shadow: var(--shadow);
}

.store-badge strong {
  display: block;
  margin-top: 0.22rem;
  font-family: var(--headline);
  font-size: 1.08rem;
  font-weight: 800;
}

.store-kicker {
  color: var(--soft);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.store-link-ios.is-disabled small,
.store-link-android.is-disabled small,
.store-badge.is-disabled .store-kicker {
  color: var(--soft);
}

.footer {
  margin: 2rem 0 1rem;
  padding: 1rem 0 0;
  border-top: 1px solid var(--line);
  color: var(--soft);
  font-size: 0.92rem;
}

.footer div {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 480ms ease, transform 480ms ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1080px) {
  .hero,
  .split-section,
  .preview-grid,
  .feature-grid,
  .download-panel {
    grid-template-columns: 1fr;
  }

  .hero-stage {
    min-height: 30rem;
  }

  .feature-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  .site-shell {
    width: min(100vw - 1rem, 100%);
  }

  .topbar,
  .footer,
  .topnav,
  .hero-actions,
  .signal-grid {
    display: grid;
  }

  .topbar {
    border-radius: 28px;
    padding: 1rem;
  }

  .topnav {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.75rem;
  }

  .hero h1,
  .section-heading h2 {
    max-width: none;
  }

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

  .device-cluster {
    width: 100%;
    height: 28rem;
  }

  .phone-card-main {
    inset: 1.25rem 3rem 1.8rem 0;
  }

  .phone-card-side {
    width: 10.5rem;
    height: 18rem;
    top: 5rem;
  }
}