:root {
  color-scheme: light;
  --ink: #142024;
  --muted: #5f6f74;
  --paper: #fbfcf7;
  --surface: #ffffff;
  --line: rgba(20, 32, 36, 0.13);
  --teal: #00a896;
  --blue: #2268ff;
  --coral: #ff6b57;
  --lime: #d7f171;
  --shadow: 0 22px 70px rgba(10, 33, 40, 0.16);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    "Noto Sans SC", "Microsoft YaHei", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  letter-spacing: 0;
}

body::selection {
  background: rgba(0, 168, 150, 0.22);
}

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

button,
input,
textarea {
  font: inherit;
}

.site-header {
  position: fixed;
  inset: 16px 18px auto;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 10px 10px 10px 14px;
  border: 1px solid rgba(255, 255, 255, 0.38);
  border-radius: 999px;
  background: rgba(251, 252, 247, 0.78);
  box-shadow: 0 14px 45px rgba(12, 30, 34, 0.12);
  backdrop-filter: blur(18px);
  transition:
    background 180ms ease,
    box-shadow 180ms ease,
    transform 180ms ease;
}

.site-header.is-scrolled {
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 12px 34px rgba(12, 30, 34, 0.14);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: max-content;
  font-weight: 800;
}

.brand-mark {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--teal), var(--blue) 58%, var(--coral));
  color: white;
  font-weight: 900;
  box-shadow: 0 10px 28px rgba(34, 104, 255, 0.28);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  color: rgba(20, 32, 36, 0.72);
}

.site-nav a {
  border-radius: 999px;
  padding: 10px 14px;
}

.site-nav a:hover {
  background: rgba(20, 32, 36, 0.06);
  color: var(--ink);
}

.nav-cta {
  background: var(--ink);
  color: white !important;
}

.hero {
  position: relative;
  min-height: 92vh;
  display: grid;
  align-items: center;
  overflow: hidden;
  padding: 120px 24px 88px;
  border-bottom: 1px solid var(--line);
}

.hero-media {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 66% 48%;
  filter: saturate(1.06) contrast(1.02);
}

.hero-shade {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(251, 252, 247, 0.5) 0%, rgba(251, 252, 247, 0.26) 38%, rgba(251, 252, 247, 0.08) 68%, rgba(251, 252, 247, 0.02) 100%),
    linear-gradient(180deg, rgba(251, 252, 247, 0.18), rgba(251, 252, 247, 0.7));
}

.hero-content {
  position: relative;
  z-index: 1;
  width: min(560px, 100%);
  margin-left: max(0px, calc((100vw - 1180px) / 2));
  align-self: start;
  margin-top: clamp(64px, 11vh, 120px);
}

.eyebrow,
.section-label {
  margin: 0 0 14px;
  color: var(--teal);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 20px;
  font-size: clamp(64px, 12vw, 148px);
  line-height: 0.88;
  letter-spacing: 0;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
  padding: 0;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(32px, 5vw, 68px);
  line-height: 1;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 22px;
  line-height: 1.15;
}

.hero-copy {
  max-width: 520px;
  color: #304147;
  font-size: clamp(20px, 2vw, 28px);
  line-height: 1.38;
  font-weight: 760;
}

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

.button {
  display: inline-flex;
  min-height: 50px;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 0 22px;
  font-weight: 800;
  line-height: 1;
  transition:
    transform 160ms ease,
    box-shadow 160ms ease,
    background 160ms ease;
}

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

.button.primary {
  background: var(--ink);
  color: white;
  box-shadow: 0 16px 35px rgba(20, 32, 36, 0.18);
}

.button.secondary {
  border-color: rgba(20, 32, 36, 0.17);
  background: rgba(255, 255, 255, 0.7);
  color: var(--ink);
}

.hero-stats {
  display: none;
  max-width: 660px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin: 52px 0 0;
}

.hero-stats div {
  min-height: 108px;
  padding: 18px;
  border: 1px solid rgba(255, 255, 255, 0.54);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.64);
  box-shadow: 0 12px 34px rgba(12, 30, 34, 0.08);
  backdrop-filter: blur(14px);
}

.hero-stats dt {
  margin-bottom: 8px;
  font-size: 28px;
  font-weight: 900;
}

.hero-stats dd {
  margin: 0;
  color: var(--muted);
}

.section-inner {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
}

.band {
  border-bottom: 1px solid var(--line);
  background: #ffffff;
}

.intro-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(280px, 0.95fr);
  gap: 42px;
  padding: 72px 0;
  align-items: end;
}

.intro-grid p:last-child,
.join-grid p {
  color: var(--muted);
  font-size: 18px;
  line-height: 1.75;
}

.features,
.updates {
  padding: 92px 0;
}

.section-heading {
  max-width: 780px;
  margin-bottom: 34px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.feature-card {
  min-height: 248px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: 0 18px 48px rgba(12, 30, 34, 0.07);
}

.feature-kicker {
  display: inline-flex;
  margin-bottom: 46px;
  color: var(--coral);
  font-weight: 900;
}

.feature-card p,
.timeline p,
.flow-list span {
  color: var(--muted);
  line-height: 1.65;
}

.product-band {
  padding: 92px 0;
  background:
    linear-gradient(135deg, rgba(0, 168, 150, 0.12), rgba(215, 241, 113, 0.2)),
    #edf8f3;
  border-block: 1px solid var(--line);
}

.product-grid {
  display: grid;
  grid-template-columns: minmax(300px, 0.85fr) minmax(320px, 1.15fr);
  gap: 64px;
  align-items: center;
}

.phone-panel {
  display: grid;
  min-height: 580px;
  place-items: center;
}

.phone-shell {
  width: min(330px, 100%);
  border: 10px solid #101718;
  border-radius: 38px;
  padding: 20px;
  background:
    linear-gradient(180deg, #f9fffb 0%, #eef7f4 100%);
  box-shadow: var(--shadow);
}

.phone-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  color: #26383d;
}

.phone-top span {
  width: 34px;
  height: 6px;
  border-radius: 99px;
  background: rgba(20, 32, 36, 0.12);
}

.ping-card {
  padding: 18px;
  border-radius: 8px;
  background: #162328;
  color: white;
}

.ping-card small {
  color: var(--lime);
  font-weight: 800;
}

.ping-card strong {
  display: block;
  margin: 10px 0;
  font-size: 22px;
  line-height: 1.2;
}

.ping-card p {
  margin: 0;
  color: rgba(255, 255, 255, 0.68);
}

.status-row {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 54px;
  margin-top: 10px;
  border: 1px solid rgba(20, 32, 36, 0.09);
  border-radius: 8px;
  padding: 0 14px;
  background: white;
  color: #2d3e43;
}

.status-dot {
  width: 12px;
  height: 12px;
  flex: 0 0 auto;
  border-radius: 999px;
}

.status-dot.done {
  background: var(--teal);
}

.status-dot.wait {
  background: var(--coral);
}

.mock-button {
  width: 100%;
  min-height: 50px;
  margin-top: 18px;
  border: 0;
  border-radius: 999px;
  background: var(--blue);
  color: white;
  font-weight: 900;
}

.flow-copy {
  max-width: 610px;
}

.flow-list {
  display: grid;
  gap: 12px;
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
}

.flow-list li {
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: 18px;
  padding: 18px 0;
  border-top: 1px solid rgba(20, 32, 36, 0.14);
}

.flow-list strong {
  color: var(--ink);
}

.timeline {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.timeline article {
  min-height: 220px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: white;
}

.timeline time {
  display: inline-flex;
  margin-bottom: 38px;
  color: var(--blue);
  font-size: 14px;
  font-weight: 900;
}

.join-band {
  padding: 88px 0;
  background: #172328;
  color: white;
}

.join-band .section-label {
  color: var(--lime);
}

.join-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 1fr);
  gap: 56px;
  align-items: start;
}

.join-grid p {
  color: rgba(255, 255, 255, 0.7);
}

.signup-form {
  display: grid;
  gap: 16px;
  padding: 24px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
}

.signup-form label {
  display: grid;
  gap: 8px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 14px;
  font-weight: 800;
}

.signup-form input,
.signup-form textarea {
  width: 100%;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  padding: 14px 15px;
  background: rgba(255, 255, 255, 0.96);
  color: var(--ink);
  outline: none;
}

.signup-form textarea {
  resize: vertical;
}

.signup-form input:focus,
.signup-form textarea:focus {
  border-color: var(--lime);
  box-shadow: 0 0 0 4px rgba(215, 241, 113, 0.17);
}

.form-button {
  width: 100%;
  border: 0;
  cursor: pointer;
}

.form-note {
  margin: 0;
  font-size: 14px !important;
}

.site-footer {
  padding: 28px 0;
  background: #101718;
  color: rgba(255, 255, 255, 0.76);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 24px;
  align-items: center;
}

.site-footer p {
  margin: 0;
}

.site-footer .brand-mark {
  box-shadow: none;
}

.site-footer a:hover {
  color: white;
}

@media (max-width: 940px) {
  .site-header {
    inset: 10px 10px auto;
    border-radius: 18px;
    align-items: flex-start;
  }

  .site-nav {
    justify-content: flex-end;
    flex-wrap: wrap;
  }

  .hero {
    min-height: 90vh;
    padding-top: 160px;
  }

  .hero-shade {
    background:
      linear-gradient(180deg, rgba(251, 252, 247, 0.9) 0%, rgba(251, 252, 247, 0.58) 48%, rgba(251, 252, 247, 0.82) 100%),
      linear-gradient(90deg, rgba(251, 252, 247, 0.64), rgba(251, 252, 247, 0.18));
  }

  .hero-media {
    object-position: 60% 45%;
    opacity: 0.92;
  }

  .intro-grid,
  .product-grid,
  .join-grid {
    grid-template-columns: 1fr;
  }

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

  .product-grid {
    gap: 38px;
  }
}

@media (max-width: 680px) {
  .site-header {
    position: absolute;
    display: grid;
    gap: 12px;
  }

  .site-nav {
    width: 100%;
    justify-content: flex-start;
    gap: 2px;
    font-size: 13px;
  }

  .site-nav a {
    padding: 9px 10px;
  }

  .hero {
    min-height: 92vh;
    padding: 170px 20px 54px;
  }

  .hero-content {
    margin-top: 0;
  }

  h1 {
    font-size: clamp(58px, 21vw, 96px);
  }

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

  .hero-stats div {
    min-height: 86px;
  }

  .section-inner {
    width: min(100% - 28px, 1180px);
  }

  .intro-grid,
  .features,
  .updates,
  .product-band,
  .join-band {
    padding-block: 58px;
  }

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

  .feature-card {
    min-height: 210px;
  }

  .phone-panel {
    min-height: 500px;
  }

  .flow-list li {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition: none !important;
  }
}