:root {
  color-scheme: dark;
  --bg: #191a18;
  --bg-elevated: #1d1f1c;
  --panel: #20221f;
  --panel-strong: #242722;
  --text: #f0f0ec;
  --muted: #b9bab4;
  --subtle: #858981;
  --line: rgba(233, 236, 226, 0.11);
  --line-strong: rgba(233, 236, 226, 0.18);
  --green: #08b47c;
  --green-soft: rgba(8, 180, 124, 0.13);
  --green-dark: #07865e;
  --shadow: 0 28px 80px rgba(0, 0, 0, 0.34);
  --max: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--bg);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  letter-spacing: 0;
  text-rendering: optimizeLegibility;
}

body {
  min-height: 100vh;
  margin: 0;
  color: var(--text);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.018), transparent 260px),
    radial-gradient(circle at 50% -10%, rgba(8, 180, 124, 0.085), transparent 34rem),
    var(--bg);
  font-size: 16px;
  line-height: 1.68;
}

a {
  color: var(--green);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
  text-underline-offset: 0.22em;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 26px;
  width: min(var(--max), calc(100% - 56px));
  margin: 0 auto;
  padding: 22px 0;
  border-bottom: 1px solid rgba(233, 236, 226, 0.08);
  background: rgba(25, 26, 24, 0.9);
  backdrop-filter: blur(18px);
}

.brand,
.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--text);
  line-height: 1;
  text-decoration: none;
}

.brand:hover,
.footer-brand:hover {
  text-decoration: none;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  padding: 4px;
  background: #1f211f;
  border: 1px solid var(--line-strong);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.brand-mark img {
  width: 100%;
  height: 100%;
  border-radius: 6px;
}

.brand-text {
  display: grid;
  gap: 5px;
}

.brand-name,
.footer-brand span:last-child {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size: 15px;
  letter-spacing: 0.16em;
}

.brand-subtitle {
  color: var(--subtle);
  font-size: 10px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
}

.primary-nav,
.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 5px;
}

.primary-nav a,
.site-footer nav a,
.login-link,
.email-link,
.text-link {
  color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size: 12px;
  letter-spacing: 0.04em;
}

.primary-nav a {
  padding: 9px 10px;
  border: 1px solid transparent;
}

.primary-nav a:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.025);
  border-color: var(--line);
  text-decoration: none;
}

.login-link,
.text-link {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
}

.login-link:hover,
.email-link:hover,
.text-link:hover {
  color: var(--text);
}

.header-actions,
.hero-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  color: #07120d;
  background: var(--green);
  border: 1px solid rgba(13, 231, 159, 0.38);
  box-shadow: 0 10px 26px rgba(8, 180, 124, 0.16);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-decoration: none;
}

.button:hover {
  background: #14c489;
  box-shadow: 0 14px 32px rgba(8, 180, 124, 0.2);
  text-decoration: none;
}

.button-small {
  min-height: 38px;
  padding: 0 14px;
  font-size: 12px;
}

main {
  width: min(var(--max), calc(100% - 56px));
  margin: 0 auto;
}

.hero {
  display: grid;
  align-content: center;
  min-height: 68vh;
  max-width: 840px;
  padding: 86px 0 76px;
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--green);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2,
h3,
h4,
p {
  overflow-wrap: anywhere;
}

h1 {
  max-width: 820px;
  margin: 0;
  font-size: clamp(36px, 5vw, 62px);
  line-height: 1.06;
  font-weight: 650;
  letter-spacing: -0.02em;
}

.hero-copy {
  max-width: 650px;
  margin: 24px 0 0;
  color: var(--muted);
  font-size: clamp(16px, 1.7vw, 18px);
  line-height: 1.74;
}

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

.signal-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin: 0 0 84px;
  border: 1px solid var(--line);
  background: var(--line);
  box-shadow: var(--shadow);
}

.signal-grid article {
  min-height: 220px;
  padding: 30px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.025), transparent),
    var(--panel);
}

.signal-grid span {
  color: var(--green);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size: 12px;
}

.signal-grid h2,
.split-section h2,
.cta-band h2 {
  margin: 24px 0 14px;
  font-size: 23px;
  line-height: 1.28;
  font-weight: 620;
  letter-spacing: -0.01em;
}

.signal-grid p,
.cta-band p {
  margin: 0;
  color: var(--muted);
}

.split-section {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 56px;
  align-items: start;
  padding: 60px 0 86px;
  border-top: 1px solid var(--line);
}

.rule-list {
  display: grid;
  gap: 10px;
}

.rule-list p {
  margin: 0;
  padding: 15px 18px;
  background: rgba(255, 255, 255, 0.026);
  border: 1px solid var(--line);
  border-left: 2px solid var(--green);
  color: var(--text);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size: 13px;
}

.cta-band {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 24px;
  align-items: center;
  margin: 0 0 92px;
  padding: 34px 36px;
  background:
    linear-gradient(135deg, rgba(8, 180, 124, 0.09), transparent 42%),
    var(--panel-strong);
  border: 1px solid var(--line-strong);
}

.cta-band .hero-actions {
  margin-top: 0;
}

.content-page {
  width: min(680px, 100%);
  margin: 0 auto;
  padding: 108px 0 84px;
}

.content-page.narrow {
  width: min(610px, 100%);
}

.content-page.legal {
  width: min(760px, 100%);
}

.content-page h1 {
  margin-bottom: 54px;
  text-align: center;
  font-size: clamp(30px, 3.4vw, 44px);
  font-weight: 520;
  letter-spacing: 0.1em;
}

.content-page h2 {
  margin: 42px 0 16px;
  font-size: 25px;
  line-height: 1.32;
  font-weight: 640;
}

.content-page h3 {
  margin: 30px 0 10px;
  font-size: 18px;
  font-weight: 640;
}

.content-page p,
.content-page li {
  color: var(--text);
}

.content-page p {
  margin: 0 0 21px;
}

.content-page ul,
.content-page ol {
  margin: 0 0 28px;
  padding-left: 24px;
}

.content-page li + li {
  margin-top: 8px;
}

.content-page hr {
  height: 1px;
  margin: 38px 0;
  border: 0;
  background: var(--line);
}

blockquote,
.contact-box {
  margin: 24px 0;
  padding: 22px;
  background: rgba(255, 255, 255, 0.026);
  border: 1px solid var(--line);
  border-left: 2px solid var(--green);
}

.site-footer {
  display: grid;
  justify-items: center;
  gap: 22px;
  width: min(var(--max), calc(100% - 56px));
  margin: 0 auto;
  padding: 72px 0 52px;
  color: var(--muted);
  border-top: 1px solid var(--line);
}

.footer-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  color: var(--green);
  background: #1f211f;
  border: 1px solid var(--line-strong);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0;
}

@media (max-width: 980px) {
  .site-header {
    grid-template-columns: 1fr;
    justify-items: start;
    gap: 18px;
  }

  .primary-nav {
    justify-content: flex-start;
  }

  .signal-grid,
  .split-section,
  .cta-band {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    padding-top: 64px;
  }

  .cta-band .hero-actions {
    margin-top: 4px;
  }
}

@media (max-width: 560px) {
  .site-header,
  main,
  .site-footer {
    width: min(100% - 32px, var(--max));
  }

  .brand-subtitle {
    display: none;
  }

  .primary-nav,
  .header-actions {
    gap: 8px;
  }

  .primary-nav a {
    padding: 7px 6px;
  }

  .hero-copy {
    font-size: 16px;
  }

  .content-page {
    padding-top: 80px;
  }

  .content-page h1 {
    text-align: left;
    letter-spacing: 0.06em;
  }

  .cta-band,
  .signal-grid article {
    padding: 24px;
  }
}