:root {
  --bg: #f4f5f7;
  --bg-soft: #eef0f3;
  --panel: #ffffff;
  --text: #15171c;
  --muted: #5c6573;
  --line: #d8dde6;
  --accent: #1a1d24;
  --chip: #e8ebf0;
  --shadow: 0 12px 40px rgba(20, 24, 32, 0.08);
  --shadow-lg: 0 24px 60px rgba(20, 24, 32, 0.12);
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
a { color: #1a3a6b; }
img { max-width: 100%; height: auto; display: block; }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 1.35rem; }

.top {
  display: flex; justify-content: space-between; align-items: center;
  padding: 1.35rem 0; border-bottom: 1px solid var(--line);
}
.brand { font-weight: 700; letter-spacing: 0.01em; font-size: 1.05rem; }
.brand span {
  color: var(--muted); font-weight: 500; margin-left: 0.45rem; font-size: 0.88rem;
}
.nav a {
  margin-left: 1.15rem; text-decoration: none; color: var(--muted); font-size: 0.95rem;
}
.nav a:hover { color: var(--text); }

.hero {
  display: grid; gap: 2rem; padding: 2.75rem 0 2.25rem;
  grid-template-columns: 1.05fr 0.95fr; align-items: center;
}
@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; padding-top: 2rem; }
  .nav { display: none; }
}
.eyebrow {
  text-transform: uppercase; letter-spacing: 0.14em; font-size: 0.72rem;
  color: var(--muted); margin: 0 0 0.85rem; font-weight: 600;
}
h1 {
  font-size: clamp(1.85rem, 3.6vw, 2.65rem); line-height: 1.12;
  margin: 0 0 1rem; font-weight: 700; letter-spacing: -0.02em;
}
.lede {
  color: var(--muted); font-size: 1.08rem; margin: 0 0 1.5rem; max-width: 36rem;
}
.lede strong { color: var(--text); font-weight: 650; }
.cta-row { display: flex; flex-wrap: wrap; gap: 0.75rem; }
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 0.78rem 1.25rem; border-radius: 999px; text-decoration: none;
  border: 1px solid var(--line); font-weight: 650; font-size: 0.95rem;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}
.btn-primary {
  background: var(--accent); color: #f7f8fa; border-color: var(--accent);
  box-shadow: 0 8px 20px rgba(20, 24, 32, 0.18);
}
.btn-primary:hover { transform: translateY(-1px); filter: brightness(1.08); }
.btn-ghost { color: var(--text); background: var(--panel); }
.btn-ghost:hover { border-color: #b8c0cc; }
.patent-chip {
  display: inline-block; margin: 1.25rem 0 0; padding: 0.35rem 0.75rem;
  background: var(--chip); border-radius: 999px; font-size: 0.82rem; color: var(--muted);
}
.patent-chip strong { color: var(--text); font-weight: 650; }

.photo-frame {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 1.05rem;
  overflow: hidden;
  box-shadow: var(--shadow);
  margin: 0;
}
.photo-frame img {
  width: 100%;
  background: #f0f2f5;
}
.photo-frame figcaption {
  padding: 0.7rem 1rem 0.9rem;
  font-size: 0.82rem;
  color: var(--muted);
  border-top: 1px solid var(--line);
  background: #fafbfc;
}
.hero-photo { box-shadow: var(--shadow-lg); }

.section {
  padding: 2.5rem 0;
  border-top: 1px solid var(--line);
}
.section-head { margin-bottom: 1.35rem; max-width: 40rem; }
.section h2 {
  margin: 0 0 0.65rem; font-size: 1.45rem; letter-spacing: -0.015em;
}
.section p { color: var(--muted); margin: 0 0 1rem; max-width: 48rem; }

.photo-grid {
  display: grid;
  gap: 1.1rem;
  grid-template-columns: repeat(3, 1fr);
}
@media (max-width: 800px) {
  .photo-grid { grid-template-columns: 1fr; }
}
.photo-grid .photo-frame img {
  aspect-ratio: 3 / 4;
  object-fit: cover;
  object-position: center top;
}

.grid-2 {
  display: grid; gap: 1.5rem; grid-template-columns: 1.15fr 0.85fr; align-items: start;
}
@media (max-width: 860px) { .grid-2 { grid-template-columns: 1fr; } }
.grid-2 .photo-frame img {
  max-height: 520px;
  width: 100%;
  object-fit: cover;
  object-position: center top;
}

.list { margin: 0.85rem 0 0; padding-left: 1.15rem; color: var(--muted); }
.list li { margin: 0.35rem 0; }

.card-row {
  display: grid; gap: 1rem; grid-template-columns: 1fr 1fr; margin-top: 0.5rem;
}
@media (max-width: 700px) { .card-row { grid-template-columns: 1fr; } }
.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 0.95rem;
  padding: 1.2rem 1.3rem;
  box-shadow: 0 4px 16px rgba(20, 24, 32, 0.04);
}
.card h3 { margin: 0 0 0.4rem; font-size: 1.05rem; }
.card p { margin: 0; color: var(--muted); font-size: 0.95rem; }

.contact-card { max-width: 36rem; }
.contact-lines { margin: 0; color: var(--text); line-height: 1.7; }
.contact a { text-decoration: none; font-weight: 600; }
.contact a:hover { text-decoration: underline; }
.fine { font-size: 0.85rem; color: var(--muted); margin: 0.9rem 0 0; }

.foot {
  border-top: 1px solid var(--line);
  padding: 1.5rem 0 2.75rem;
  display: flex; flex-wrap: wrap; gap: 0.75rem; justify-content: space-between;
  color: var(--muted); font-size: 0.85rem;
}