:root {
  --ink: #17202a;
  --muted: #5f6f82;
  --line: #d7e1ea;
  --surface: #ffffff;
  --wash: #f4f8fb;
  --accent: #1f7a8c;
  --accent-dark: #155f6e;
  --gold: #d79a2b;
  --green: #2d7d57;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--surface);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}

a {
  color: inherit;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  max-width: 1180px;
  margin: 0 auto;
  padding: 22px 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  color: var(--ink);
  text-decoration: none;
}

.brand img {
  display: block;
  width: clamp(168px, 18vw, 240px);
  height: auto;
}

.nav-links,
.nav-actions,
.site-footer nav {
  display: flex;
  align-items: center;
  gap: 18px;
}

.nav-links a,
.site-footer a {
  color: var(--muted);
  font-weight: 650;
  text-decoration: none;
}

.nav-links a:hover,
.site-footer a:hover {
  color: var(--accent-dark);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 10px 18px;
  border: 1px solid var(--accent);
  border-radius: 8px;
  background: var(--accent);
  color: #ffffff;
  font-weight: 800;
  text-decoration: none;
  white-space: nowrap;
}

.button:hover {
  background: var(--accent-dark);
  border-color: var(--accent-dark);
}

.button-secondary {
  background: #ffffff;
  color: var(--accent-dark);
  border-color: var(--line);
}

.button-secondary:hover {
  background: var(--wash);
  color: var(--accent-dark);
  border-color: var(--accent);
}

.button-large {
  min-height: 50px;
  padding: 12px 22px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.75fr);
  gap: 52px;
  align-items: center;
  max-width: 1180px;
  margin: 0 auto;
  padding: 56px 24px 76px;
}

.hero-copy h1 {
  max-width: 820px;
  margin: 10px 0 22px;
  color: #101820;
  font-size: clamp(2.55rem, 5vw, 4.8rem);
  line-height: 1.02;
  letter-spacing: 0;
}

.lead {
  max-width: 680px;
  margin: 0;
  color: var(--muted);
  font-size: 1.18rem;
}

.eyebrow {
  margin: 0;
  color: var(--accent-dark);
  font-size: 0.78rem;
  font-weight: 850;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.product-panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
  box-shadow: 0 24px 60px rgba(23, 32, 42, 0.12);
  overflow: hidden;
}

.panel-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 18px 20px;
  border-bottom: 1px solid var(--line);
  background: var(--wash);
  font-weight: 800;
}

.panel-top strong {
  color: var(--green);
  font-size: 0.9rem;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
}

.metric-grid div {
  min-width: 0;
  padding: 18px;
  background: #ffffff;
}

.metric-grid span,
.device-list span {
  display: block;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 700;
}

.metric-grid strong {
  display: block;
  margin-top: 6px;
  font-size: 2rem;
  line-height: 1;
}

.device-list {
  padding: 10px 20px 20px;
}

.device-list div {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

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

.device-list strong {
  color: var(--accent-dark);
  font-size: 0.86rem;
}

.section {
  max-width: 1180px;
  margin: 0 auto;
  padding: 72px 24px;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 30px;
}

.section-heading h2,
.cta-section h2 {
  margin: 8px 0 0;
  font-size: clamp(2rem, 4vw, 3.15rem);
  line-height: 1.08;
  letter-spacing: 0;
}

.feature-grid,
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.feature-grid article,
.price-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
  padding: 24px;
}

.feature-grid h3,
.price-card h3 {
  margin: 0 0 10px;
  font-size: 1.08rem;
}

.feature-grid p,
.price-card li,
.site-footer p,
.legal p {
  color: var(--muted);
}

.feature-grid p,
.site-footer p {
  margin: 0;
}

.pricing-section {
  background: var(--wash);
  max-width: none;
}

.pricing-section > * {
  max-width: 1132px;
  margin-left: auto;
  margin-right: auto;
}

.pricing-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.price-card {
  display: flex;
  flex-direction: column;
}

.price-card.highlighted {
  border-color: var(--accent);
  box-shadow: inset 0 4px 0 var(--accent);
}

.price {
  margin: 0 0 18px;
  font-size: 2.65rem;
  line-height: 1;
  font-weight: 850;
}

.price span {
  color: var(--muted);
  font-size: 0.95rem;
  font-weight: 700;
}

.price-card ul {
  display: grid;
  gap: 9px;
  margin: 0 0 24px;
  padding-left: 20px;
}

.price-card .button {
  margin-top: auto;
}

.cta-section {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.site-footer {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 28px;
  max-width: 1180px;
  margin: 0 auto;
  padding: 34px 24px 46px;
  border-top: 1px solid var(--line);
}

.site-footer div {
  max-width: 440px;
}

.legal {
  max-width: 860px;
  margin: 0 auto;
  padding: 56px 24px 84px;
}

.legal h1 {
  margin: 8px 0 18px;
  font-size: clamp(2.35rem, 5vw, 4rem);
  line-height: 1.05;
  letter-spacing: 0;
}

.legal h2 {
  margin: 34px 0 10px;
  font-size: 1.35rem;
  line-height: 1.25;
}

.legal a {
  color: var(--accent-dark);
  font-weight: 800;
}

@media (max-width: 900px) {
  .site-header,
  .site-footer,
  .cta-section {
    align-items: stretch;
    flex-direction: column;
  }

  .nav-links,
  .nav-actions,
  .site-footer nav {
    flex-wrap: wrap;
  }

  .hero {
    grid-template-columns: 1fr;
    padding-top: 34px;
  }

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

@media (max-width: 620px) {
  .site-header,
  .hero,
  .section,
  .legal,
  .site-footer {
    padding-left: 18px;
    padding-right: 18px;
  }

  .nav-actions,
  .hero-actions {
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .product-panel {
    min-width: 0;
  }

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

  .device-list div {
    align-items: flex-start;
    flex-direction: column;
    gap: 4px;
  }
}