:root {
  color-scheme: light;
  --ink: #000f1a;
  --muted: #52616c;
  --blue: #0540f2;
  --blue-light: #3d79f2;
  --line: #dce4f0;
  --surface: rgba(255, 255, 255, 0.88);
  --page: #f5f8ff;
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  min-height: 100%;
  background: var(--page);
}

body {
  min-height: 100vh;
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 14% 8%, rgba(61, 121, 242, 0.16), transparent 28rem),
    radial-gradient(circle at 88% 78%, rgba(5, 64, 242, 0.11), transparent 25rem),
    var(--page);
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(rgba(5, 64, 242, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(5, 64, 242, 0.045) 1px, transparent 1px);
  background-size: 42px 42px;
  content: "";
  mask-image: linear-gradient(to bottom, black, transparent 78%);
}

a {
  color: inherit;
}

.page-shell {
  display: flex;
  width: min(1180px, calc(100% - 48px));
  min-height: 100vh;
  margin: 0 auto;
  flex-direction: column;
}

.site-header,
.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.site-header {
  min-height: 92px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  text-decoration: none;
}

.brand-mark {
  width: 34px;
  height: 34px;
}

.community-logo {
  object-fit: contain;
}

.community-monogram {
  display: grid;
  width: 48px;
  height: 48px;
  place-items: center;
  border-radius: 15px;
  color: #fff;
  background: var(--blue);
  font-size: 1.4rem;
  font-weight: 850;
  line-height: 1;
}

.brand .community-monogram {
  border-radius: 10px;
  font-size: 1rem;
}

.community-label {
  padding: 7px 11px;
  border: 1px solid rgba(5, 64, 242, 0.18);
  border-radius: 999px;
  color: var(--blue);
  background: rgba(255, 255, 255, 0.72);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

main {
  display: grid;
  flex: 1;
  align-items: center;
  padding: 48px 0 72px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(330px, 0.75fr);
  gap: clamp(48px, 7vw, 100px);
  align-items: center;
}

.hero-copy {
  max-width: 700px;
}

.logo-pair {
  display: flex;
  margin-bottom: 38px;
  align-items: center;
  gap: 12px;
}

.logo-tile {
  display: grid;
  width: 76px;
  height: 76px;
  place-items: center;
  border: 1px solid rgba(5, 64, 242, 0.13);
  border-radius: 23px;
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 18px 48px rgba(0, 15, 26, 0.08);
}

.logo-tile-community .community-logo {
  width: 53px;
  height: 53px;
}

.logo-tile-slack img {
  width: 46px;
  height: 46px;
}

.logo-connector {
  color: #8494a3;
  font-size: 1.25rem;
  font-weight: 500;
}

.eyebrow,
.card-kicker {
  color: var(--blue);
  font-size: 0.76rem;
  font-weight: 850;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.eyebrow {
  margin: 0 0 16px;
}

h1 {
  max-width: 700px;
  margin: 0;
  font-size: clamp(3.1rem, 6vw, 5.9rem);
  font-weight: 790;
  letter-spacing: -0.065em;
  line-height: 0.96;
}

.intro {
  max-width: 620px;
  margin: 28px 0 0;
  color: var(--muted);
  font-size: clamp(1.05rem, 1.8vw, 1.23rem);
  line-height: 1.7;
}

.actions {
  margin-top: 36px;
}

.invite-form {
  max-width: 650px;
}

.invite-form label {
  display: block;
  margin: 0 0 9px;
  color: var(--ink);
  font-size: 0.86rem;
  font-weight: 760;
}

.invite-controls {
  display: grid;
  grid-template-columns: minmax(210px, 1fr) auto;
  gap: 10px;
}

.invite-controls input {
  width: 100%;
  min-height: 58px;
  padding: 0 17px;
  border: 1px solid #b8c6d7;
  border-radius: 15px;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 8px 24px rgba(0, 15, 26, 0.06);
  font: inherit;
  font-size: 1rem;
  transition:
    border-color 160ms ease,
    box-shadow 160ms ease;
}

.invite-controls input::placeholder {
  color: #81909c;
}

.invite-controls input:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 4px rgba(5, 64, 242, 0.12);
  outline: none;
}

.join-button {
  display: inline-flex;
  min-height: 58px;
  padding: 0 20px;
  align-items: center;
  gap: 12px;
  border: 1px solid var(--blue);
  border-radius: 15px;
  color: #fff;
  background: var(--blue);
  box-shadow: 0 14px 30px rgba(5, 64, 242, 0.24);
  cursor: pointer;
  font: inherit;
  font-weight: 780;
  text-decoration: none;
  transition:
    transform 160ms ease,
    box-shadow 160ms ease,
    background 160ms ease;
}

.join-button img {
  padding: 3px;
  border-radius: 5px;
  background: #fff;
}

.button-arrow {
  margin-left: 6px;
  font-size: 1.25rem;
  line-height: 1;
}

.join-button:hover:not(:disabled) {
  background: #073bd8;
  box-shadow: 0 17px 36px rgba(5, 64, 242, 0.3);
  transform: translateY(-2px);
}

.join-button:focus-visible,
.invite-controls input:focus-visible,
.brand:focus-visible,
.sign-in a:focus-visible,
.site-footer a:focus-visible {
  outline: 3px solid rgba(5, 64, 242, 0.35);
  outline-offset: 4px;
}

.join-button:disabled {
  cursor: not-allowed;
  opacity: 0.65;
  transform: none;
}

.turnstile-slot {
  width: min(100%, 360px);
  min-height: 65px;
  margin-top: 12px;
}

.turnstile-slot[hidden] {
  display: none;
}

.invite-message {
  min-height: 1.35em;
  max-width: 560px;
  margin: 10px 0 0;
  font-size: 0.9rem;
  line-height: 1.5;
}

.invite-message:empty {
  display: none;
}

.invite-message[data-state="error"] {
  color: #8c2f17;
}

.invite-message[data-state="success"] {
  color: #117350;
  font-weight: 700;
}

.invite-form[data-state="success"] .join-button {
  border-color: #117350;
  background: #117350;
  opacity: 1;
}

.sign-in {
  margin: 14px 0 0;
  color: #6a7883;
  font-size: 0.92rem;
}

.sign-in a {
  color: var(--blue);
  font-weight: 700;
  text-underline-offset: 3px;
}

.community-card {
  position: relative;
  overflow: hidden;
  padding: 38px;
  border: 1px solid rgba(5, 64, 242, 0.12);
  border-radius: 28px;
  background: var(--surface);
  box-shadow: 0 28px 80px rgba(0, 15, 26, 0.1);
  backdrop-filter: blur(18px);
}

.community-card::after {
  position: absolute;
  top: -80px;
  right: -80px;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  background: rgba(61, 121, 242, 0.13);
  content: "";
}

.card-kicker {
  display: flex;
  align-items: center;
  gap: 8px;
}

.live-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #2eb67d;
  box-shadow: 0 0 0 4px rgba(46, 182, 125, 0.12);
}

.community-card h2 {
  max-width: 340px;
  margin: 20px 0 28px;
  font-size: clamp(1.7rem, 3vw, 2.35rem);
  letter-spacing: -0.045em;
  line-height: 1.08;
}

.community-card ul {
  display: grid;
  margin: 0;
  padding: 0;
  gap: 0;
  list-style: none;
}

.community-card li {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 13px;
  padding: 20px 0;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.55;
}

.topic-number {
  padding-top: 2px;
  color: var(--blue-light);
  font-size: 0.68rem;
  font-weight: 850;
  letter-spacing: 0.08em;
}

.community-card strong {
  display: block;
  margin-bottom: 3px;
  color: var(--ink);
  font-size: 0.98rem;
}

.site-footer {
  min-height: 84px;
  border-top: 1px solid rgba(5, 64, 242, 0.1);
  color: #75838d;
  font-size: 0.82rem;
}

.site-footer nav {
  display: flex;
  gap: 24px;
}

.site-footer a {
  text-decoration: none;
}

.site-footer a:hover {
  color: var(--blue);
}

.noscript-message {
  position: fixed;
  right: 16px;
  bottom: 16px;
  left: 16px;
  margin: 0 auto;
  padding: 12px 16px;
  border-radius: 10px;
  color: #fff;
  background: #000f1a;
  font-size: 0.85rem;
  text-align: center;
}

@media (max-width: 860px) {
  .page-shell {
    width: min(680px, calc(100% - 36px));
  }

  main {
    padding: 38px 0 64px;
  }

  .hero {
    grid-template-columns: 1fr;
    gap: 56px;
  }

  .hero-copy {
    max-width: 650px;
  }

  h1 {
    max-width: 620px;
    font-size: clamp(3.2rem, 11vw, 5.2rem);
  }

  .community-card {
    max-width: 620px;
  }
}

@media (max-width: 520px) {
  .page-shell {
    width: min(100% - 28px, 680px);
  }

  .site-header {
    min-height: 76px;
  }

  main {
    padding-top: 28px;
  }

  .logo-pair {
    margin-bottom: 30px;
  }

  .logo-tile {
    width: 66px;
    height: 66px;
    border-radius: 20px;
  }

  .logo-tile-community .community-logo {
    width: 46px;
    height: 46px;
  }

  .logo-tile-community .community-monogram {
    width: 43px;
    height: 43px;
  }

  .logo-tile-slack img {
    width: 40px;
    height: 40px;
  }

  h1 {
    font-size: clamp(2.8rem, 14vw, 4.2rem);
  }

  .invite-controls {
    grid-template-columns: 1fr;
  }

  .join-button {
    width: 100%;
    justify-content: center;
  }

  .button-arrow {
    margin-left: auto;
  }

  .community-card {
    padding: 28px 24px;
    border-radius: 22px;
  }

  .site-footer {
    padding: 24px 0;
    align-items: flex-start;
    flex-direction: column;
    gap: 18px;
  }

  .site-footer nav {
    flex-wrap: wrap;
    gap: 12px 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}