:root {
  color-scheme: light;
  --bg: #fbfaf4;
  --surface: #ffffff;
  --ink: #1f2a24;
  --muted: #66736b;
  --line: #e5dfd2;
  --accent: #2f8f6f;
  --accent-strong: #17694d;
  --warm: #f1b66b;
  --soft: #edf6ef;
  --shadow: 0 22px 60px rgba(38, 54, 45, 0.12);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: radial-gradient(circle at top left, #fff4d9 0, rgba(255,244,217,0) 34rem), var(--bg);
  color: var(--ink);
}

a { color: inherit; text-decoration: none; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  padding: 1rem clamp(1rem, 4vw, 4rem);
  background: rgba(251, 250, 244, 0.82);
  border-bottom: 1px solid rgba(229, 223, 210, 0.72);
  backdrop-filter: blur(18px);
}

.brand { display: inline-flex; align-items: center; gap: .65rem; font-weight: 760; letter-spacing: -.02em; }
.brand-mark { width: 1.15rem; height: 1.15rem; border-radius: 999px; background: var(--accent); box-shadow: .42rem -.24rem 0 var(--warm); }
nav { display: flex; gap: 1.25rem; color: var(--muted); font-size: .95rem; }
nav a:hover { color: var(--ink); }

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.03fr) minmax(320px, .97fr);
  gap: clamp(2rem, 5vw, 5rem);
  align-items: center;
  min-height: 680px;
  padding: clamp(3rem, 8vw, 7rem) clamp(1rem, 5vw, 5rem) 4rem;
}

.eyebrow { margin: 0 0 1rem; color: var(--accent-strong); font-size: .78rem; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; }
h1, h2, h3, p { margin-top: 0; }
h1 { max-width: 780px; margin-bottom: 1.2rem; font-size: clamp(3.2rem, 7.5vw, 7rem); line-height: .92; letter-spacing: -.075em; text-wrap: balance; }
h2 { margin-bottom: 1.2rem; font-size: clamp(2rem, 4vw, 4rem); line-height: 1; letter-spacing: -.055em; text-wrap: balance; }
h3 { margin-bottom: .65rem; font-size: 1.18rem; letter-spacing: -.025em; }
.lead { max-width: 640px; color: var(--muted); font-size: clamp(1.1rem, 1.9vw, 1.45rem); line-height: 1.62; }
.actions { display: flex; flex-wrap: wrap; gap: .85rem; margin-top: 2rem; }
.button { min-height: 48px; display: inline-flex; align-items: center; justify-content: center; padding: .85rem 1.2rem; border-radius: 999px; font-weight: 720; }
.primary { background: var(--accent); color: white; box-shadow: 0 14px 30px rgba(47,143,111,.22); }
.secondary { background: var(--surface); border: 1px solid var(--line); color: var(--ink); }
.button:hover { transform: translateY(-1px); }

.hero-card {
  position: relative;
  min-height: 520px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 2.2rem;
  background: linear-gradient(180deg, #e8f4ed 0%, #fff8e9 100%);
  box-shadow: var(--shadow);
}
.camera { position: absolute; right: 13%; top: 12%; width: 5.4rem; height: 3.3rem; border-radius: 1rem; background: #26362d; box-shadow: 0 18px 45px rgba(38,54,45,.18); }
.camera::before { content: ""; position: absolute; left: -1.2rem; top: .85rem; width: 1.8rem; height: 1.6rem; border-radius: .35rem; background: #26362d; }
.camera span { position: absolute; right: .75rem; top: .65rem; width: 1.9rem; height: 1.9rem; border-radius: 50%; background: radial-gradient(circle at center, #79d2b0 0 28%, #111 30% 58%, #4b5c53 60%); }
.house { position: absolute; left: 12%; bottom: 7.2rem; width: 15rem; height: 12rem; }
.roof { position: absolute; left: 0; right: 0; top: 0; height: 6.2rem; background: #bb7141; clip-path: polygon(50% 0, 100% 58%, 91% 70%, 50% 23%, 9% 70%, 0 58%); }
.house::after { content: ""; position: absolute; left: 1.6rem; right: 1.6rem; bottom: 0; height: 8.4rem; border-radius: 1.1rem; background: #f5dfbd; border: 1px solid rgba(121,84,42,.18); }
.door { position: absolute; z-index: 1; left: 5.35rem; bottom: 0; width: 4.3rem; height: 5.5rem; border-radius: 2.2rem 2.2rem .8rem .8rem; background: #2d2a28; }
.bowl { position: absolute; z-index: 2; right: 0; bottom: .2rem; width: 4.8rem; height: 1.65rem; border-radius: .35rem .35rem 1.2rem 1.2rem; background: var(--warm); }
.cat { position: absolute; left: 68%; bottom: 7.5rem; width: 12rem; height: 13rem; transform: translateX(-50%); }
.ear { position: absolute; top: .3rem; width: 4.4rem; height: 4.4rem; background: #2d2a28; border-radius: .8rem; transform: rotate(45deg); }
.ear.left { left: 1.1rem; } .ear.right { right: 1.1rem; }
.face { position: absolute; top: 1.8rem; left: 1.2rem; right: 1.2rem; height: 8.8rem; border-radius: 45% 45% 42% 42%; background: #2d2a28; }
.face span { position: absolute; top: 3.1rem; width: .7rem; height: .7rem; border-radius: 50%; background: #f8d982; box-shadow: 0 0 0 .22rem rgba(248,217,130,.15); }
.face span:first-child { left: 3.1rem; } .face span:last-child { right: 3.1rem; }
.body { position: absolute; left: 2.3rem; bottom: 0; width: 7.2rem; height: 6.6rem; border-radius: 48% 48% 28% 28%; background: #2d2a28; }
.tail { position: absolute; right: .2rem; bottom: 2.4rem; width: 5.4rem; height: 1.3rem; border-radius: 999px; background: #2d2a28; transform: rotate(-35deg); transform-origin: left center; }
.observation-card { position: absolute; left: 1.2rem; right: 1.2rem; bottom: 1.2rem; padding: 1.1rem; border-radius: 1.2rem; background: rgba(255,255,255,.82); border: 1px solid rgba(255,255,255,.88); backdrop-filter: blur(14px); }
.observation-card p { margin: .35rem 0 0; color: var(--muted); line-height: 1.45; }

.section { padding: clamp(3.6rem, 7vw, 6rem) clamp(1rem, 5vw, 5rem); }
.grid { display: grid; gap: 1rem; }
.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
article, .checklist, .flow-diagram, .dashboard-preview, .process-visual { padding: 1.25rem; border: 1px solid var(--line); border-radius: 1.35rem; background: var(--surface); box-shadow: 0 8px 25px rgba(38,54,45,.05); }
.process-visual { margin: 1.4rem 0 1rem; padding: 0; overflow: hidden; border-radius: 2rem; box-shadow: var(--shadow); background: #fbfaf4; }
.process-visual img { display: block; width: 100%; height: auto; }
.flow-diagram { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 2.4rem; align-items: stretch; margin-top: 1.4rem; margin-bottom: 1rem; padding: 1.4rem; background: linear-gradient(135deg, #ffffff 0%, #f4fbf7 100%); }
.flow-node { position: relative; min-height: 180px; padding: 1.1rem; border: 1px solid var(--line); border-radius: 1.1rem; background: rgba(255,255,255,.86); }
.flow-node strong { display: block; margin: .95rem 0 .45rem; font-size: 1.05rem; }
.flow-node p { margin: 0; color: var(--muted); line-height: 1.55; }
.node-icon { display: inline-flex; align-items: center; justify-content: center; width: 3rem; height: 3rem; border-radius: 1rem; background: var(--soft); color: var(--accent-strong); font-weight: 850; font-size: .78rem; letter-spacing: .08em; }
.flow-arrow { position: relative; z-index: 2; align-self: center; justify-self: end; margin-right: -2.1rem; color: var(--accent); font-size: 2rem; font-weight: 800; }
.flow-arrow + .flow-node { margin-left: -.3rem; }
.camera-node .node-icon { background: #eaf3ff; color: #2367a2; }
.storage-node .node-icon { background: #f3ecff; color: #7b52b9; }
.ai-node .node-icon { background: #fff2dc; color: #9a5d12; }
.dashboard-node .node-icon { background: #e8f6ef; color: var(--accent-strong); }
.tech-notes { margin-top: 1rem; }
.product-section { grid-template-columns: .72fr 1.28fr; }
.dashboard-preview { display: grid; gap: 1rem; padding: 1rem; }
.metric-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: .75rem; }
.metric-row div, .winner-card { padding: 1rem; border-radius: 1rem; background: #f8fbf7; border: 1px solid #dfe9df; }
.metric-row strong { display: block; font-size: 2.4rem; line-height: 1; letter-spacing: -.05em; color: var(--accent-strong); }
.metric-row span, .winner-card span, .cat-gallery span, .sample-note { color: var(--muted); font-size: .9rem; }
.winner-card strong { display: block; margin: .3rem 0; font-size: 1.55rem; letter-spacing: -.03em; }
.winner-card p { margin: 0; color: var(--muted); }
.cat-gallery { display: grid; grid-template-columns: repeat(3, 1fr); gap: .85rem; }
.cat-gallery article { padding: .55rem; border-radius: 1rem; box-shadow: none; }
.cat-gallery img { display: block; width: 100%; aspect-ratio: 4 / 3; object-fit: cover; border-radius: .75rem; margin-bottom: .65rem; background: var(--soft); }
.cat-gallery strong { display: block; margin-bottom: .2rem; }
.sample-note { margin: 0; line-height: 1.5; }
.step { display: inline-block; margin-bottom: 2rem; color: var(--accent); font-weight: 820; }
article p { margin-bottom: 0; color: var(--muted); line-height: 1.62; }
.split { display: grid; grid-template-columns: .82fr 1.18fr; gap: clamp(2rem, 5vw, 5rem); align-items: start; background: var(--soft); border-block: 1px solid #dbe9df; }
.product-section { grid-template-columns: .72fr 1.28fr; }
.split p { color: var(--muted); line-height: 1.7; }
.checklist { display: grid; gap: .85rem; }
.checklist label { display: flex; gap: .75rem; align-items: flex-start; min-height: 44px; color: #314039; font-weight: 650; }
input { accent-color: var(--accent); width: 1.05rem; height: 1.05rem; margin-top: .12rem; }
.quiet { background: rgba(255,255,255,.7); }
footer { display: flex; justify-content: space-between; gap: 1rem; padding: 2rem clamp(1rem, 5vw, 5rem); border-top: 1px solid var(--line); color: var(--muted); }
footer span:first-child { color: var(--ink); font-weight: 760; }

@media (max-width: 880px) {
  .site-header { align-items: flex-start; flex-direction: column; gap: .8rem; }
  nav { width: 100%; overflow-x: auto; padding-bottom: .1rem; }
  .hero, .split { grid-template-columns: 1fr; }
  .flow-diagram { grid-template-columns: 1fr; gap: .8rem; }
  .flow-arrow { justify-self: center; margin: -.35rem 0; transform: rotate(90deg); }
  .flow-arrow + .flow-node { margin-left: 0; }
  .metric-row, .cat-gallery { grid-template-columns: 1fr; }
  .hero { min-height: auto; padding-top: 3rem; }
  .hero-card { min-height: 440px; }
  .three, .two { grid-template-columns: 1fr; }
  footer { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .button:hover { transform: none; }
}