:root {
  color-scheme: dark;
  --bg: #0d1117;
  --panel: #151b23;
  --panel-strong: #1e2632;
  --text: #f4f7fb;
  --muted: #aab6c5;
  --line: rgba(255, 255, 255, 0.12);
  --brand: #38d39f;
  --brand-dark: #15a77a;
  --accent: #7cc7ff;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.45);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  margin: 0;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 82% 12%, rgba(56, 211, 159, 0.2), transparent 30rem),
    radial-gradient(circle at 18% 34%, rgba(124, 199, 255, 0.16), transparent 24rem),
    linear-gradient(135deg, #0d1117 0%, #111827 58%, #0b1017 100%);
}

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

.page-shell {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  padding: 28px 0 56px;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 42px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 1.04rem;
  font-weight: 800;
  letter-spacing: 0;
}

.brand-mark {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 10px;
  color: #07100d;
  background: linear-gradient(135deg, var(--brand), #b2ffe5);
  box-shadow: 0 10px 34px rgba(56, 211, 159, 0.22);
}

.nav-link {
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 18px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.94rem;
  font-weight: 700;
  background: rgba(255, 255, 255, 0.04);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(360px, 0.78fr);
  align-items: center;
  gap: 56px;
  min-height: calc(100vh - 184px);
}

.eyebrow {
  width: fit-content;
  margin: 0 0 18px;
  padding: 8px 12px;
  border: 1px solid rgba(56, 211, 159, 0.28);
  border-radius: 999px;
  color: #b8ffe9;
  font-size: 0.82rem;
  font-weight: 800;
  text-transform: uppercase;
  background: rgba(56, 211, 159, 0.1);
}

h1 {
  max-width: 760px;
  margin: 0;
  font-size: clamp(3.2rem, 6vw, 5.55rem);
  line-height: 0.96;
  letter-spacing: 0;
}

.hero-text {
  max-width: 660px;
  margin: 24px 0 0;
  color: var(--muted);
  font-size: clamp(1.08rem, 2vw, 1.28rem);
  line-height: 1.65;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

.button {
  min-height: 54px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 22px;
  border-radius: 14px;
  font-weight: 800;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

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

.primary {
  color: #06120e;
  background: linear-gradient(135deg, var(--brand), #d3ffef);
  box-shadow: 0 14px 38px rgba(56, 211, 159, 0.26);
}

.secondary {
  border: 1px solid var(--line);
  color: var(--text);
  background: rgba(255, 255, 255, 0.06);
}

.join-steps {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

.join-step {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.step-label {
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--brand);
}

.fine-print {
  margin: 16px 0 0;
  color: #8290a3;
  font-size: 0.9rem;
}

code {
  color: #c7efe2;
}

.phone-stage {
  position: relative;
  min-height: 610px;
  display: grid;
  place-items: center;
}

.phone {
  position: relative;
  z-index: 2;
  width: min(100%, 360px);
  padding: 14px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 44px;
  background: linear-gradient(145deg, #2b3441, #0f141b);
  box-shadow: var(--shadow);
}

.phone-top {
  width: 96px;
  height: 24px;
  margin: 2px auto 12px;
  border-radius: 999px;
  background: #090d13;
}

.app-screen {
  min-height: 520px;
  padding: 28px;
  border-radius: 34px;
  overflow: hidden;
  background:
    linear-gradient(160deg, rgba(56, 211, 159, 0.22), transparent 38%),
    linear-gradient(180deg, #192231, #111821);
}

.status-pill {
  width: fit-content;
  padding: 8px 11px;
  border-radius: 999px;
  color: #b8ffe9;
  font-size: 0.78rem;
  font-weight: 800;
  background: rgba(56, 211, 159, 0.12);
}

.app-screen h2 {
  margin: 74px 0 10px;
  font-size: 2.4rem;
  line-height: 1;
}

.app-screen p {
  margin: 0;
  color: var(--muted);
  line-height: 1.5;
}

.search-box {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 28px 0;
  padding: 16px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.07);
}

.search-box span {
  width: 16px;
  height: 16px;
  border: 2px solid var(--brand);
  border-radius: 50%;
  box-shadow: 10px 10px 0 -7px var(--brand);
}

.activity-list {
  display: grid;
  gap: 12px;
}

.activity-list div {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.05);
}

.dot {
  flex: 0 0 auto;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #596577;
}

.dot.active {
  background: var(--brand);
  box-shadow: 0 0 0 6px rgba(56, 211, 159, 0.13);
}

.ambient-card {
  position: absolute;
  z-index: 3;
  display: grid;
  gap: 3px;
  min-width: 168px;
  padding: 16px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 16px;
  background: rgba(21, 27, 35, 0.78);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.32);
  backdrop-filter: blur(14px);
}

.ambient-card span {
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 800;
  text-transform: uppercase;
}

.ambient-card strong {
  font-size: 1.02rem;
}

.card-one {
  top: 34px;
  left: 12px;
}

.card-two {
  right: 16px;
  bottom: 118px;
}

.proof-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 58px;
}

.proof-grid article {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.045);
}

.proof-grid span {
  color: var(--brand);
  font-size: 0.82rem;
  font-weight: 800;
}

.proof-grid h2 {
  margin: 16px 0 10px;
  font-size: 1.12rem;
}

.proof-grid p {
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
}

.how-it-works {
  margin-top: 42px;
  padding: 46px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.035);
}

.section-heading {
  max-width: 780px;
}

.section-heading .eyebrow {
  margin-bottom: 16px;
}

.section-heading h2 {
  max-width: 760px;
  margin: 0;
  font-size: clamp(2.1rem, 4vw, 3.4rem);
  line-height: 1;
  letter-spacing: 0;
}

.section-heading p {
  max-width: 680px;
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 1.08rem;
  line-height: 1.65;
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 34px;
}

.steps-grid article {
  min-height: 220px;
  padding: 24px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  background: linear-gradient(180deg, rgba(30, 38, 50, 0.7), rgba(21, 27, 35, 0.5));
}

.steps-grid span {
  color: var(--brand);
  font-size: 0.82rem;
  font-weight: 800;
}

.steps-grid h3 {
  margin: 42px 0 10px;
  font-size: 1.28rem;
}

.steps-grid p {
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
}

.main-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 28px 0;
  margin-top: 72px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.82rem;
}

.main-footer-links {
  display: flex;
  gap: 28px;
}

.main-footer-links a {
  color: var(--muted);
  transition: color 0.18s;
}

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

@media (max-width: 900px) {
  .page-shell {
    width: min(100% - 28px, 680px);
    padding-top: 18px;
  }

  .nav {
    margin-bottom: 42px;
  }

  .hero {
    grid-template-columns: 1fr;
    gap: 34px;
    min-height: auto;
  }

  h1 {
    font-size: clamp(3rem, 15vw, 5.2rem);
  }

  .phone-stage {
    min-height: 560px;
  }

  .proof-grid {
    grid-template-columns: 1fr;
    margin-top: 34px;
  }

  .how-it-works {
    margin-top: 34px;
    padding: 30px 22px;
  }

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

  .steps-grid article {
    min-height: auto;
  }

  .steps-grid h3 {
    margin-top: 28px;
  }
}

@media (max-width: 540px) {
  .nav-link {
    display: none;
  }

  .main-footer {
    flex-direction: column;
    gap: 14px;
    text-align: center;
    margin-top: 48px;
  }

  .hero-actions,
  .button {
    width: 100%;
  }

  .phone-stage {
    min-height: 510px;
  }

  .phone {
    width: min(100%, 318px);
    border-radius: 36px;
  }

  .app-screen {
    min-height: 450px;
    padding: 22px;
  }

  .app-screen h2 {
    margin-top: 54px;
    font-size: 2rem;
  }

  .ambient-card {
    min-width: 138px;
    padding: 13px;
  }

  .card-one {
    top: 28px;
  }

  .card-two {
    bottom: 56px;
  }
}
