:root {
  --bg: #0a0a0b;
  --bg-elevated: #141416;
  --text: #e4e4e7;
  --text-muted: #a1a1aa;
  --primary: #6fa896;
  --accent: #4ade80;
  --border: #27272a;
  --font: "Inter", system-ui, sans-serif;
  --wrap: min(1080px, 92vw);
  --radius: 12px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
}

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

a:hover {
  text-decoration: underline;
}

.wrap {
  width: var(--wrap);
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid var(--border);
  background: rgba(10, 10, 11, 0.85);
  backdrop-filter: blur(10px);
}

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

.logo {
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--text);
  text-decoration: none;
}

.logo:hover {
  color: var(--primary);
  text-decoration: none;
}

.nav {
  display: flex;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.nav a {
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 500;
}

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

.hero {
  padding: 4rem 0 3.5rem;
  background: radial-gradient(ellipse 80% 60% at 50% -20%, rgba(111, 168, 150, 0.18), transparent);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 3rem;
  align-items: center;
}

@media (max-width: 820px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }
}

.eyebrow {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--primary);
  margin: 0 0 0.75rem;
}

.hero h1 {
  font-size: clamp(1.85rem, 4vw, 2.65rem);
  line-height: 1.15;
  font-weight: 700;
  margin: 0 0 1rem;
  letter-spacing: -0.02em;
}

.lead {
  color: var(--text-muted);
  font-size: 1.05rem;
  max-width: 36em;
  margin: 0 0 1.75rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.65rem 1.15rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.92rem;
  text-decoration: none;
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--primary);
  color: #0a0a0b;
}

.btn-primary:hover {
  filter: brightness(1.08);
  text-decoration: none;
}

.btn-ghost {
  border-color: var(--border);
  color: var(--text);
}

.btn-ghost:hover {
  border-color: var(--text-muted);
  text-decoration: none;
}

.hero-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
}

.meter-preview {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.meter-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.meter-value {
  font-size: 4.5rem;
  font-weight: 700;
  line-height: 1;
  margin: 0.25rem 0;
  font-variant-numeric: tabular-nums;
  color: var(--accent);
}

.meter-unit {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.meter-bars {
  display: flex;
  gap: 6px;
  align-items: flex-end;
  height: 64px;
  width: 100%;
  max-width: 220px;
}

.meter-bars span {
  flex: 1;
  background: linear-gradient(to top, var(--primary), var(--accent));
  border-radius: 4px 4px 0 0;
  opacity: 0.85;
}

.meter-bars span:nth-child(1) { height: 35%; }
.meter-bars span:nth-child(2) { height: 55%; }
.meter-bars span:nth-child(3) { height: 80%; }
.meter-bars span:nth-child(4) { height: 60%; }
.meter-bars span:nth-child(5) { height: 45%; }

.section {
  padding: 3.5rem 0;
}

.section-muted {
  background: var(--bg-elevated);
  border-block: 1px solid var(--border);
}

.section h2 {
  font-size: 1.5rem;
  margin: 0 0 0.75rem;
  letter-spacing: -0.02em;
}

.section-intro {
  color: var(--text-muted);
  max-width: 42em;
  margin: 0 0 2rem;
}

.feature-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
}

.feature {
  padding: 1.25rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg);
}

.feature-accent {
  border-color: rgba(111, 168, 150, 0.45);
  background: rgba(111, 168, 150, 0.06);
}

.feature h3 {
  margin: 0 0 0.5rem;
  font-size: 1rem;
}

.feature p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.trust p {
  max-width: 42em;
  color: var(--text-muted);
  margin: 0;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: start;
}

@media (max-width: 700px) {
  .about-grid {
    grid-template-columns: 1fr;
  }
}

.about-grid p {
  color: var(--text-muted);
  margin: 0;
}

.about-list {
  margin: 0;
  padding-left: 1.2rem;
  color: var(--text-muted);
}

.about-list li {
  margin-bottom: 0.5rem;
}

.contact p {
  margin: 0.35rem 0;
  color: var(--text-muted);
}

.contact .links {
  margin-top: 1rem;
}

.site-footer {
  padding: 1.5rem 0 2rem;
  border-top: 1px solid var(--border);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.footer-inner a {
  color: var(--text-muted);
}

.footer-inner a:hover {
  color: var(--text);
}