:root {
  --bg: #171b21;
  --bg-raised: #1e242b;
  --text: #e9e6de;
  --text-dim: #98a1a8;
  --accent: #d9a34a;
  --accent-teal: #4f9d96;
  --border: #2a313a;
  --radius: 3px;
  --max-width: 1120px;
  --font: 'IBM Plex Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.wrap {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--accent);
  color: var(--bg);
  padding: 8px 16px;
  z-index: 100;
}
.skip-link:focus { left: 12px; top: 12px; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

h1, h2, h3 { font-family: var(--font); margin: 0 0 0.5em; }

h1 {
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 300;
  line-height: 1.15;
  letter-spacing: -0.01em;
}

h2 {
  font-size: 1.75rem;
  font-weight: 500;
  margin-bottom: 1.25rem;
}

h3 {
  font-size: 1.1rem;
  font-weight: 600;
}

p { max-width: 60ch; }
p.lead {
  font-size: 1.15rem;
  color: var(--text-dim);
  max-width: 42ch;
}

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

ul { padding: 0; margin: 0; list-style: none; }

/* Header */
.site-header {
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: var(--bg);
  z-index: 10;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-top: 18px;
  padding-bottom: 18px;
  flex-wrap: wrap;
}
.logo {
  font-weight: 600;
  font-size: 1.15rem;
  color: var(--text);
}
.logo:hover { text-decoration: none; color: var(--accent); }
nav {
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
}
nav a { color: var(--text-dim); font-size: 0.95rem; }
nav a:hover { color: var(--accent); text-decoration: none; }

/* Buttons */
.btn {
  display: inline-block;
  padding: 12px 22px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  font-weight: 500;
  font-size: 0.95rem;
}
.btn:hover { text-decoration: none; }
.btn-primary {
  background: var(--accent);
  color: var(--bg);
}
.btn-primary:hover { background: #e6b563; }
.btn-secondary {
  background: transparent;
  border-color: var(--border);
  color: var(--text);
}
.btn-secondary:hover { border-color: var(--accent); color: var(--accent); }
.btn-small { padding: 8px 16px; font-size: 0.875rem; }

/* Hero */
.hero { border-bottom: 1px solid var(--border); }
.hero-inner {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 48px;
  align-items: center;
  padding: 5rem 24px;
}
.hero-points {
  margin: 1.5rem 0;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}
.hero-points li {
  padding-left: 18px;
  position: relative;
  color: var(--text-dim);
}
.hero-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.5em;
  width: 6px;
  height: 6px;
  background: var(--accent);
}
.hero-graphic { width: 100%; }
.hero-svg { width: 100%; height: auto; display: block; }
.grid-lines line { stroke: var(--border); stroke-width: 1; }
.trace {
  fill: none;
  stroke-width: 2.5;
  stroke-linecap: round;
  stroke-dasharray: 1000;
  stroke-dashoffset: 1000;
  animation: draw 1.6s ease-out forwards;
}
.trace-teal { stroke: var(--accent-teal); animation-delay: 0.15s; }
.trace-amber { stroke: var(--accent); }
.markers circle { fill: var(--accent); }
@keyframes draw { to { stroke-dashoffset: 0; } }

/* Focus list */
.focus { padding: 4.5rem 0; border-bottom: 1px solid var(--border); }
.focus-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 48px;
}
.focus-list li {
  padding: 14px 0 14px 18px;
  border-top: 1px solid var(--border);
  position: relative;
  color: var(--text-dim);
}
.focus-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 22px;
  width: 6px;
  height: 6px;
  background: var(--accent-teal);
}

/* How it works */
.how-it-works { padding: 4.5rem 0; border-bottom: 1px solid var(--border); }
.steps {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 0;
}
.step { padding: 0 32px; }
.step:first-child { padding-left: 0; }
.step:not(:first-child) { border-left: 1px solid var(--border); }
.step p { color: var(--text-dim); }

/* Product suite */
.product-suite { padding: 4.5rem 0; border-bottom: 1px solid var(--border); }
.lenses {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--border);
}
.lens {
  background: var(--bg);
  padding: 32px;
}
.lens-icon { color: var(--accent-teal); margin-bottom: 12px; }
.lens-icon svg { width: 30px; height: 30px; }
.lens-question { color: var(--text-dim); font-size: 0.95rem; margin-bottom: 1rem; }
.lens ul { display: flex; flex-direction: column; gap: 0.5rem; margin-bottom: 0.5rem; }
.lens li {
  padding-left: 16px;
  position: relative;
  color: var(--text-dim);
  font-size: 0.95rem;
}
.lens li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 5px;
  height: 5px;
  background: var(--accent);
}
.lens-link { font-size: 0.9rem; }

/* Contact */
.contact { padding: 5rem 0; }
.contact-actions {
  display: flex;
  gap: 16px;
  margin-top: 1.5rem;
  flex-wrap: wrap;
}

/* Footer */
.site-footer { border-top: 1px solid var(--border); padding: 3rem 0 1.5rem; }
.footer-inner {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 32px;
  padding-bottom: 2rem;
}
.footer-brand { font-weight: 600; color: var(--text); margin-bottom: 0.4rem; }
.footer-inner p { color: var(--text-dim); margin: 0 0 0.4rem; }
.footer-contact p { margin: 0 0 0.4rem; }
.footer-legal {
  border-top: 1px solid var(--border);
  padding-top: 1.5rem;
  color: var(--text-dim);
  font-size: 0.85rem;
}
.footer-legal p { max-width: none; margin: 0 0 0.5rem; }

/* Responsive */
@media (max-width: 800px) {
  .hero-inner { grid-template-columns: 1fr; padding: 3rem 24px; }
  .hero-graphic { order: -1; }
  .focus-list { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; gap: 2rem; }
  .step { padding-left: 0; border-left: none !important; }
  .lenses { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .trace { animation: none; stroke-dashoffset: 0; }
}