*, *::before, *::after {
  box-sizing: border-box;
}

:root {
  --teal: #0d9488;
  --teal-dark: #0f766e;
  --ink: #111827;
  --muted: #4b5563;
  --soft: #f6f8f8;
  --line: #dbe3e1;
  --paper: #ffffff;
  --amber: #b45309;
}

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.5;
}

img {
  display: block;
}

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

a:hover {
  text-decoration: underline;
}

.container {
  width: min(100% - 40px, 1040px);
  margin: 0 auto;
}

.site-header {
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.92);
}

.header-inner,
.footer-inner {
  min-height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand,
.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-weight: 700;
}

.brand img,
.footer-icon {
  border-radius: 6px;
}

.top-links,
.footer-links {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.top-links a,
.footer-links a {
  color: var(--muted);
  font-size: 0.875rem;
}

.hero {
  border-bottom: 1px solid var(--line);
}

.hero-grid {
  min-height: 560px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 56px;
  align-items: center;
  padding: 76px 0 68px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--teal-dark);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2,
p {
  margin: 0;
}

h1 {
  font-size: clamp(3rem, 8vw, 5.8rem);
  line-height: 0.95;
  font-weight: 800;
  letter-spacing: 0;
}

.hero-sentence {
  max-width: 560px;
  margin-top: 22px;
  color: var(--muted);
  font-size: 1.12rem;
  line-height: 1.7;
}

.action-row {
  margin-top: 30px;
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.btn-install,
.btn-join {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  border: 1px solid var(--teal);
  border-radius: 6px;
  background: var(--teal);
  color: #fff;
  padding: 0 18px;
  font-size: 0.94rem;
  font-weight: 700;
  cursor: pointer;
}

.btn-install:hover,
.btn-join:hover {
  background: var(--teal-dark);
  text-decoration: none;
}

.install-note {
  color: var(--muted);
  font-size: 0.88rem;
}

.status-panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--soft);
  overflow: hidden;
}

.panel-head {
  min-height: 48px;
  display: flex;
  align-items: center;
  gap: 10px;
  border-bottom: 1px solid var(--line);
  padding: 0 16px;
  font-size: 0.82rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.status-dot {
  width: 9px;
  height: 9px;
  border-radius: 999px;
  background: var(--teal);
}

.status-list {
  margin: 0;
}

.status-list div {
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr);
  gap: 16px;
  padding: 16px;
  border-bottom: 1px solid var(--line);
}

.status-list div:last-child {
  border-bottom: 0;
}

.status-list dt {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.status-list dd {
  margin: 0;
  color: var(--ink);
  font-size: 0.95rem;
}

.facts-section {
  padding: 48px 0;
  border-bottom: 1px solid var(--line);
}

.facts-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.fact-block {
  min-height: 180px;
  background: var(--paper);
  padding: 24px;
}

.fact-block h2,
.email-section h2,
.policy-block h2 {
  color: var(--ink);
  font-size: 1rem;
  line-height: 1.3;
}

.fact-block p,
.email-section p,
.scope-copy p,
.policy-block p,
.policy-list li,
.page-intro {
  margin-top: 10px;
  color: var(--muted);
  font-size: 0.94rem;
  line-height: 1.7;
}

.scope-section {
  padding: 44px 0;
  border-bottom: 1px solid var(--line);
}

.scope-grid {
  display: grid;
  grid-template-columns: 300px minmax(0, 1fr);
  gap: 48px;
  align-items: start;
}

.scope-grid h2 {
  margin: 0;
  color: var(--ink);
  font-size: 1.5rem;
  line-height: 1.2;
}

.scope-copy {
  max-width: 640px;
}

.email-section {
  padding: 44px 0;
  background: var(--soft);
  border-bottom: 1px solid var(--line);
}

.email-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 420px);
  gap: 36px;
  align-items: center;
}

.email-form {
  display: flex;
  gap: 10px;
}

.email-input {
  width: 100%;
  min-width: 0;
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
  color: var(--ink);
  padding: 0 14px;
  font: inherit;
}

.email-input:focus {
  border-color: var(--teal);
  outline: 2px solid rgba(13, 148, 136, 0.16);
}

.site-footer {
  padding: 8px 0;
}

.page-header {
  padding: 56px 0 32px;
  border-bottom: 1px solid var(--line);
}

.page-title {
  margin-top: 8px;
  font-size: clamp(2.4rem, 7vw, 4.8rem);
  line-height: 0.98;
}

.content-section {
  padding: 42px 0 64px;
}

.content-stack {
  max-width: 720px;
  display: flex;
  flex-direction: column;
  gap: 30px;
}

.policy-list {
  margin: 10px 0 0;
  padding-left: 20px;
}

.back-link {
  width: fit-content;
  font-size: 0.94rem;
  font-weight: 700;
}

@media (max-width: 760px) {
  .container {
    width: min(100% - 28px, 1040px);
  }

  .header-inner,
  .footer-inner {
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
    padding: 14px 0;
  }

  .top-links,
  .footer-links {
    gap: 14px;
  }

  .hero-grid {
    min-height: auto;
    grid-template-columns: 1fr;
    gap: 34px;
    padding: 48px 0 44px;
  }

  .status-panel {
    width: 100%;
  }

  .facts-grid,
  .scope-grid,
  .email-grid {
    grid-template-columns: 1fr;
  }

  .fact-block {
    min-height: 0;
  }

  .email-form {
    flex-direction: column;
  }

  .btn-join,
  .btn-install {
    width: 100%;
  }
}