:root {
  --bg: #ffffff;
  --text: #111827;
  --muted: #4b5563;
  --line: #e5e7eb;
  --accent: #0f766e;
  --accent-hover: #115e59;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}

.container {
  width: min(780px, 92%);
  margin: 0 auto;
}

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

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0;
}

.brand {
  font-weight: 700;
  font-size: 1.05rem;
}

.text-link {
  color: var(--muted);
  text-decoration: none;
}

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

.hero {
  padding: 5.5rem 0 2.2rem;
}

.eyebrow {
  margin: 0 0 0.75rem;
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero h1 {
  margin: 0;
  font-size: clamp(2rem, 5vw, 3rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.hero p {
  max-width: 64ch;
  margin: 1rem 0 1.75rem;
  color: var(--muted);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}

.hero-note {
  margin: 0.9rem 0 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.primary-button {
  display: inline-block;
  background: var(--accent);
  color: #ffffff;
  text-decoration: none;
  font-weight: 600;
  border-radius: 8px;
  padding: 0.7rem 1rem;
}

.primary-button:hover {
  background: var(--accent-hover);
}

.secondary-button {
  display: inline-block;
  background: #ffffff;
  color: var(--text);
  text-decoration: none;
  font-weight: 600;
  border-radius: 8px;
  border: 1px solid var(--line);
  padding: 0.7rem 1rem;
}

.secondary-button:hover {
  border-color: #d1d5db;
}

.proof-strip {
  margin: 0 0 2.4rem;
}

.proof-strip ul {
  list-style: none;
  margin: 0;
  padding: 0.5rem;
  border: 1px solid var(--line);
  border-radius: 10px;
  display: grid;
  gap: 0.5rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.proof-strip li {
  border-radius: 7px;
  background: #f9fafb;
  padding: 0.55rem 0.7rem;
  font-size: 0.92rem;
  color: var(--muted);
}

.benefits {
  padding: 0.3rem 0 4rem;
}

.benefits h2 {
  margin: 0;
  font-size: 1.6rem;
  line-height: 1.2;
}

.section-intro {
  margin: 0.5rem 0 1.2rem;
  color: var(--muted);
}

.feature-grid {
  display: grid;
  gap: 0.9rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.feature {
  border: 1px solid var(--line);
  border-radius: 10px;
  border-left: 4px solid #c7ece7;
  padding: 1rem 1rem 1.05rem;
  background: #ffffff;
}

.feature-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.feature-kicker {
  margin: 0;
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--accent);
  border: 1px solid #c7ece7;
  background: #edf9f7;
  border-radius: 999px;
  padding: 0.15rem 0.45rem;
}

.feature-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border-radius: 999px;
  border: 1px solid #b7e2db;
  background: #edf9f7;
  color: #0f766e;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.feature h3 {
  margin: 0.65rem 0 0.45rem;
  font-size: 1.06rem;
  line-height: 1.3;
}

.feature p {
  margin: 0;
  color: var(--muted);
}

.feature-points {
  margin: 0.8rem 0 0;
  padding: 0;
  list-style: none;
}

.feature-points li {
  position: relative;
  padding-left: 1rem;
  color: #374151;
  font-size: 0.92rem;
}

.feature-points li + li {
  margin-top: 0.35rem;
}

.feature-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.53rem;
  width: 0.38rem;
  height: 0.38rem;
  border-radius: 999px;
  background: var(--accent);
}

.tech-deep-dive {
  border-top: 1px solid var(--line);
  padding: 2rem 0 4rem;
}

.tech-deep-dive h2 {
  margin: 0;
  font-size: 1.6rem;
  line-height: 1.2;
}

.pipeline-strip {
  margin: 1rem 0 1.2rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.pipeline-strip span {
  display: inline-block;
  padding: 0.35rem 0.55rem;
  font-size: 0.82rem;
  border: 1px solid #d3ebe7;
  color: #0f766e;
  background: #f1faf8;
  border-radius: 999px;
}

.tech-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
}

.tech-item {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0.85rem 0.9rem;
  background: #fcfdfd;
}

.tech-item h3 {
  margin: 0;
  font-size: 0.99rem;
  line-height: 1.3;
}

.tech-item p {
  margin: 0.45rem 0 0;
  color: var(--muted);
  font-size: 0.93rem;
}

.final-cta {
  border-top: 1px solid var(--line);
  padding: 2rem 0 4rem;
}

.final-cta h2 {
  margin: 0;
  font-size: 1.5rem;
  line-height: 1.2;
}

.final-cta p {
  margin: 0.7rem 0 1.3rem;
  color: var(--muted);
  max-width: 62ch;
}

.hardware-note {
  margin-top: -0.5rem;
  font-size: 0.95rem;
}

.site-footer {
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.95rem;
}

.site-footer .container {
  padding: 1.1rem 0 2rem;
}

@media (max-width: 720px) {
  .proof-strip ul {
    grid-template-columns: 1fr;
  }

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

  .tech-grid {
    grid-template-columns: 1fr;
  }
}