:root {
  color-scheme: dark;
  --canvas: #020617;
  --surface: rgba(15, 23, 42, 0.78);
  --surface-strong: #0f172a;
  --line: #1e293b;
  --line-bright: #334155;
  --text: #f8fafc;
  --muted: #94a3b8;
  --dim: #64748b;
  --cyan: #67e8f9;
  --violet: #a78bfa;
  --emerald: #6ee7b7;
  --amber: #fcd34d;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--canvas);
}

body {
  min-width: 320px;
  margin: 0;
  background:
    linear-gradient(rgba(30, 41, 59, 0.2) 1px, transparent 1px),
    linear-gradient(90deg, rgba(30, 41, 59, 0.2) 1px, transparent 1px),
    radial-gradient(900px 500px at 15% -10%, rgba(34, 211, 238, 0.11), transparent 65%),
    linear-gradient(180deg, #0f172a 0%, var(--canvas) 62%);
  background-size:
    32px 32px,
    32px 32px,
    auto,
    auto;
  color: var(--text);
  font-family: "IBM Plex Sans", sans-serif;
  line-height: 1.55;
}

a {
  color: inherit;
}

.shell {
  width: min(100% - 2rem, 1140px);
  margin: 0 auto;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 76px;
  border-bottom: 1px solid rgba(51, 65, 85, 0.75);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}
.brand-mark {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  overflow: hidden;
  border: 1px solid rgba(103, 232, 249, 0.35);
  border-radius: 8px;
  background: rgba(34, 211, 238, 0.1);
}
.brand-mark img {
  width: 22px;
  height: 22px;
  object-fit: contain;
}
.brand-name {
  color: var(--text);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0;
}

.header-link,
.button-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  border: 1px solid var(--line-bright);
  border-radius: 8px;
  padding: 0.45rem 0.8rem;
  color: #cbd5e1;
  font-size: 0.875rem;
  font-weight: 600;
  text-decoration: none;
}
.header-link:hover,
.button-link:hover {
  border-color: var(--cyan);
  color: var(--text);
}
.header-link:focus-visible,
.button-link:focus-visible,
.footer-links a:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.eyebrow {
  margin: 0;
  color: var(--cyan);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.about-hero {
  padding: 6.5rem 0 4.5rem;
}
.about-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 0.7fr);
  gap: 3.5rem;
  align-items: center;
}
h1 {
  max-width: 12ch;
  margin: 0.75rem 0 1.25rem;
  font-size: clamp(2.6rem, 6vw, 5.6rem);
  line-height: 0.98;
  letter-spacing: 0;
}
.hero-copy {
  max-width: 60ch;
  margin: 0;
  color: #cbd5e1;
  font-size: 1.08rem;
  line-height: 1.8;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 2rem;
}
.button-link.primary {
  border-color: var(--cyan);
  background: var(--cyan);
  color: #082f49;
}
.button-link.primary:hover {
  background: #a5f3fc;
  color: #082f49;
}
.button-link.secondary {
  background: rgba(15, 23, 42, 0.72);
}

.momentum-panel {
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(103, 232, 249, 0.24);
  border-radius: 8px;
  padding: 1.25rem;
  background: linear-gradient(145deg, rgba(15, 23, 42, 0.96), rgba(8, 47, 73, 0.42));
  box-shadow: 0 22px 55px rgba(0, 0, 0, 0.3);
}
.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 600;
}
.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--emerald);
  box-shadow: 0 0 16px rgba(110, 231, 183, 0.7);
}
.panel-title {
  margin: 1.2rem 0 1.5rem;
  font-size: 1.2rem;
}
.meter {
  height: 8px;
  overflow: hidden;
  border-radius: 99px;
  background: #1e293b;
}
.meter span {
  display: block;
  width: 72%;
  height: 100%;
  border-radius: inherit;
  background: var(--cyan);
}
.panel-stat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.6rem;
  margin-top: 1.25rem;
}
.panel-stat {
  border: 1px solid rgba(51, 65, 85, 0.85);
  border-radius: 7px;
  padding: 0.75rem;
  background: rgba(2, 6, 23, 0.48);
}
.panel-stat strong {
  display: block;
  color: var(--text);
  font-size: 1.15rem;
}
.panel-stat span {
  color: var(--dim);
  font-size: 0.7rem;
}

.content-band {
  padding: 2rem 0 5rem;
}
.section-heading {
  max-width: 680px;
  margin-bottom: 1.5rem;
}
h2 {
  margin: 0.5rem 0;
  font-size: clamp(1.55rem, 3vw, 2.25rem);
  line-height: 1.15;
  letter-spacing: 0;
}
.section-heading p {
  margin: 0;
  color: var(--muted);
}
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}
.feature-card {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 1.25rem;
  background: var(--surface);
}
.feature-card i {
  color: var(--cyan);
}
.feature-card:nth-child(2) i {
  color: var(--violet);
}
.feature-card:nth-child(3) i {
  color: var(--emerald);
}
.feature-card h3 {
  margin: 1rem 0 0.45rem;
  font-size: 1rem;
}
.feature-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.privacy-note {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 1rem;
  align-items: start;
  margin-top: 1rem;
  border: 1px solid rgba(110, 231, 183, 0.25);
  border-radius: 8px;
  padding: 1.2rem;
  background: rgba(6, 78, 59, 0.18);
}
.privacy-note i {
  color: var(--emerald);
}
.privacy-note h3 {
  margin: 0;
  font-size: 1rem;
}
.privacy-note p {
  margin: 0.25rem 0 0;
  color: #cbd5e1;
  font-size: 0.92rem;
}

.legal-main {
  width: min(100% - 2rem, 800px);
  margin: 0 auto;
  padding: 4.25rem 0 5rem;
}
.legal-main h1 {
  max-width: none;
  margin-bottom: 0.75rem;
  font-size: clamp(2.35rem, 5vw, 4.3rem);
}
.updated {
  margin: 0;
  color: var(--dim);
  font-size: 0.85rem;
}
.legal-lede {
  max-width: 66ch;
  margin: 2rem 0;
  color: #cbd5e1;
  font-size: 1.05rem;
}
.legal-section {
  margin-top: 1rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 1.4rem;
  background: var(--surface);
}
.legal-section h2 {
  margin-top: 0;
  font-size: 1.15rem;
}
.legal-section p,
.legal-section li {
  color: var(--muted);
  font-size: 0.94rem;
}
.legal-section p:last-child,
.legal-section ul:last-child {
  margin-bottom: 0;
}
.policy-link {
  display: inline-block;
  margin-top: 0.2rem;
  color: var(--cyan);
  font-weight: 600;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}
.policy-link:hover {
  color: #a5f3fc;
}
.policy-link:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}
.legal-section ul {
  margin: 0.7rem 0 0;
  padding-left: 1.2rem;
}
.legal-section li + li {
  margin-top: 0.4rem;
}
.notice {
  border-color: rgba(252, 211, 77, 0.3);
  background: rgba(120, 53, 15, 0.16);
}
.notice h2 {
  color: var(--amber);
}

.site-footer {
  border-top: 1px solid var(--line);
  padding: 1.5rem 0 2.4rem;
  color: var(--dim);
  font-size: 0.8rem;
}
.footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
}
.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}
.footer-links a {
  text-decoration: none;
}
.footer-links a:hover {
  color: var(--cyan);
}

@media (max-width: 760px) {
  .about-hero {
    padding: 4.5rem 0 3rem;
  }
  .about-layout,
  .feature-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  h1 {
    font-size: clamp(2.55rem, 14vw, 4.25rem);
  }
  .panel-stat-grid {
    gap: 0.45rem;
  }
  .panel-stat {
    padding: 0.6rem;
  }
  .legal-main {
    padding-top: 3rem;
  }
}