:root {
  --bg: #ffffff;
  --bg-soft: #fafafa;
  --ink: #111111;
  --muted: #5f6368;
  --subtle: #8b8f95;
  --line: #e8e8e8;
  --line-strong: #d9d9d9;
  --accent: #0a72ef;
  --accent-soft: #ebf5ff;
  --sun: #f5b84b;
  --green: #15a46d;
  --shadow: 0 0 0 1px rgba(0,0,0,0.08), 0 12px 40px rgba(0,0,0,0.06);
  --font: 'Geist', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --mono: 'Geist Mono', ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: #ffffff;
  color: var(--ink);
  font-family: var(--font);
  font-feature-settings: 'liga';
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }

.shell { width: min(1120px, calc(100% - 40px)); margin: 0 auto; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto -69px;
  padding: 18px 0;
  color: #111111;
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: color 180ms ease, border-color 180ms ease;
}
.site-header.on-dark {
  color: #ffffff;
  border-bottom-color: rgba(255,255,255,0.10);
}
.site-header.on-light {
  color: #111111;
  border-bottom-color: rgba(0,0,0,0.06);
}
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 600; letter-spacing: -0.02em; }
.brand-mark {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: #111;
  color: #fff;
  font-weight: 700;
  transition: background 180ms ease, color 180ms ease, box-shadow 180ms ease;
}
.site-header.on-dark .brand-mark {
  background: #ffffff;
  color: #111111;
  box-shadow: 0 0 0 1px rgba(255,255,255,0.18);
}
.site-header.on-light .brand-mark {
  background: #111111;
  color: #ffffff;
}
.nav-links { display: flex; align-items: center; gap: 22px; color: currentColor; font-size: 14px; font-weight: 500; opacity: 0.78; }
.nav-links a:hover { color: currentColor; opacity: 1; }

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 460px;
  gap: 64px;
  align-items: center;
  min-height: calc(100vh - 69px);
  padding: 72px 0;
}
.section-band {
  position: relative;
  display: grid;
  align-items: center;
  min-height: 100vh;
  border-top: 1px solid var(--line);
}
.hero-band {
  border-top: 0;
  background:
    radial-gradient(circle at 20% 0%, rgba(245,184,75,0.16), transparent 30rem),
    radial-gradient(circle at 88% 8%, rgba(10,114,239,0.10), transparent 28rem),
    #ffffff;
}
.model-band { background: #0b0b0c; color: #ffffff; padding: 96px 0; }
.proof-band { background: #ffffff; color: var(--ink); }
.examples-band { background: #0b0b0c; color: #ffffff; }
.cta-band { background: #ffffff; color: var(--ink); }
.model-band .kicker,
.examples-band .kicker { color: #a8c7ff; }
.model-band .model-grid article,
.examples-band .example-card {
  background: #151517;
  color: #ffffff;
  box-shadow: 0 0 0 1px rgba(255,255,255,0.10), 0 18px 60px rgba(0,0,0,0.24);
}
.model-band .model-grid p,
.examples-band .example-card p { color: #c5c7cc; }
.model-band .number,
.examples-band .example-card span,
.examples-band .section-heading a { color: #7ab7ff; }
.examples-band .example-card:hover { box-shadow: 0 0 0 1px rgba(122,183,255,0.46), 0 18px 60px rgba(10,114,239,0.22); }
.section-intro {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 28px;
  margin-bottom: 22px;
}
.section-intro h2 { max-width: 640px; margin-bottom: 0; }
.eyebrow, .kicker, .case-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 18px;
  color: #37526b;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: -0.01em;
}
.eyebrow span {
  width: 8px;
  height: 8px;
  border-radius: 99px;
  background: var(--green);
  box-shadow: 0 0 0 5px rgba(21,164,109,0.12);
}
h1, h2, h3, p { margin-top: 0; }
h1 {
  max-width: 820px;
  margin-bottom: 24px;
  font-size: clamp(50px, 6.4vw, 80px);
  line-height: 0.94;
  letter-spacing: -0.07em;
  font-weight: 650;
}
h2 { margin-bottom: 12px; font-size: clamp(30px, 4vw, 52px); line-height: 1; letter-spacing: -0.055em; font-weight: 650; }
h3 { margin-bottom: 10px; font-size: 22px; line-height: 1.15; letter-spacing: -0.035em; }
.hero-lede, .examples-page-hero p {
  max-width: 680px;
  color: var(--muted);
  font-size: 20px;
  line-height: 1.6;
  letter-spacing: -0.015em;
}
.hero-actions, .case-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 44px;
  padding: 0 18px;
  border-radius: 9px;
  font-size: 14px;
  font-weight: 600;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease;
}
.button:hover { transform: translateY(-1px); }
.button.primary { background: #111; color: #fff; box-shadow: 0 10px 24px rgba(0,0,0,0.14); }
.button.secondary { background: #fff; color: #111; box-shadow: 0 0 0 1px rgba(0,0,0,0.10); }

.product-card {
  border-radius: 24px;
  background: rgba(255,255,255,0.86);
  box-shadow: var(--shadow);
  overflow: hidden;
  padding: 18px;
}
.card-topbar {
  display: flex;
  align-items: center;
  gap: 7px;
  padding-bottom: 18px;
  color: var(--subtle);
  font-family: var(--mono);
  font-size: 12px;
}
.card-topbar span { width: 10px; height: 10px; border-radius: 50%; background: #ddd; }
.card-topbar span:first-child { background: #ff6b5f; }
.card-topbar span:nth-child(2) { background: #f5c04f; }
.card-topbar span:nth-child(3) { background: #35c46f; }
.card-topbar strong { margin-left: auto; font-weight: 500; }
.agent-summary {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: flex-start;
  padding: 22px;
  border-radius: 18px;
  background: linear-gradient(135deg, #f7fbff, #fff7e8);
  box-shadow: 0 0 0 1px rgba(0,0,0,0.06);
}
.agent-summary small, .task small { display: block; color: var(--muted); margin-top: 5px; }
.agent-summary strong { display: block; font-size: 26px; line-height: 1.1; letter-spacing: -0.04em; }
.status-pill {
  white-space: nowrap;
  padding: 6px 10px;
  border-radius: 999px;
  background: #e9f9f1;
  color: #0b7a4b;
  font-size: 12px;
  font-weight: 600;
}
.task-list { display: grid; gap: 10px; margin-top: 14px; }
.task {
  display: grid;
  grid-template-columns: 14px 1fr;
  gap: 12px;
  padding: 16px;
  border-radius: 16px;
  background: #fff;
  box-shadow: 0 0 0 1px rgba(0,0,0,0.07);
}
.task > span { width: 10px; height: 10px; margin-top: 5px; border-radius: 50%; background: #c7cbd1; }
.task.done > span { background: var(--green); }
.task.active > span { background: var(--accent); box-shadow: 0 0 0 5px rgba(10,114,239,0.10); }
.task b { font-size: 14px; }

.model-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; padding: 0; }
.model-grid article, .example-card, .case-card {
  border-radius: 22px;
  background: #fff;
  box-shadow: var(--shadow);
}
.model-grid article { min-height: 230px; padding: 24px; }
.number { display: inline-flex; margin-bottom: 56px; color: var(--accent); font-family: var(--mono); font-size: 12px; }
.model-grid p, .split-proof p, .example-card p, .case-content p { color: var(--muted); line-height: 1.65; }

.split-proof {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 60px;
  align-items: center;
  padding: 96px 0;
}
.split-proof > p { font-size: 20px; margin-bottom: 0; }

.examples-preview { padding: 96px 0; }
.section-heading { display: flex; justify-content: space-between; align-items: end; gap: 24px; margin-bottom: 22px; }
.section-heading a { color: var(--accent); font-weight: 600; font-size: 14px; }
.example-cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.example-card { min-height: 260px; padding: 24px; }
.example-card span { display: inline-flex; margin-bottom: 74px; color: var(--accent); font-family: var(--mono); font-size: 12px; }
.example-card:hover { box-shadow: 0 0 0 1px rgba(10,114,239,0.22), 0 18px 60px rgba(10,114,239,0.12); }

.final-cta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 28px;
  padding: 96px 0;
}
.final-cta h2 { max-width: 760px; margin-bottom: 0; }
.site-footer { display: flex; justify-content: space-between; gap: 20px; padding: 28px 0 44px; border-top: 1px solid var(--line); color: var(--subtle); font-size: 14px; }

.examples-page-hero { padding: 88px 0 52px; }
.examples-page-hero h1 { max-width: 860px; }
.case-list { display: grid; gap: 16px; padding: 22px 0 70px; }
.case-card { display: grid; grid-template-columns: 280px 1fr; gap: 34px; align-items: center; padding: 28px; }
.case-logo {
  display: grid;
  place-items: center;
  min-height: 210px;
  border-radius: 18px;
  background: #f7f8fa;
  box-shadow: inset 0 0 0 1px rgba(0,0,0,0.06);
}
.sscc-logo {
  background: #12242f;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.08);
}
.case-logo img { max-width: 180px; height: auto; }
.music-logo { font-size: 78px; color: #111; }
.case-content h2 { max-width: 720px; }
.case-actions span { color: var(--muted); font-size: 14px; font-weight: 500; }

@media (max-width: 920px) {
  .section-band { min-height: auto; }
  .hero, .split-proof, .case-card { grid-template-columns: 1fr; }
  .hero { min-height: auto; padding-top: 70px; }
  .section-intro { align-items: flex-start; flex-direction: column; }
  .product-card { max-width: 560px; }
  .model-grid, .example-cards { grid-template-columns: 1fr; }
  .section-heading, .final-cta, .site-footer { align-items: flex-start; flex-direction: column; }
}

@media (max-width: 620px) {
  .shell, .site-header { width: min(100% - 28px, 1120px); }
  .site-header { align-items: flex-start; }
  .brand span:last-child { display: none; }
  .nav-links { gap: 12px; font-size: 13px; }
  h1 { font-size: clamp(44px, 14vw, 64px); }
  .hero-lede, .split-proof > p, .examples-page-hero p { font-size: 17px; }
  .agent-summary { flex-direction: column; }
  .case-logo { min-height: 160px; }
}