:root {
  --navy: #061a2f;
  --blue: #242b8f;
  --orange: #df7a33;
  --orange-dark: #bd5f1f;
  --ink: #17202c;
  --muted: #657181;
  --line: #dbe2ea;
  --soft: #f6f8fb;
  --paper: #ffffff;
  --shadow: 0 22px 54px rgba(7, 26, 47, .11);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--soft);
  font-family: Aptos, "Segoe UI", system-ui, -apple-system, sans-serif;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 14px 36px;
  background: rgba(255,255,255,.94);
  border-bottom: 1px solid rgba(219,226,234,.85);
  backdrop-filter: blur(16px);
}
.brand img {
  display: block;
  width: 170px;
  height: auto;
}
nav {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}
nav a {
  color: var(--ink);
  text-decoration: none;
  font-size: 14px;
  font-weight: 750;
}
nav a:hover { color: var(--orange); }

main {
  max-width: 1440px;
  margin: 0 auto;
  padding: 40px 38px 96px;
}
section { margin-bottom: 96px; }
.eyebrow {
  margin: 0 0 10px;
  color: var(--orange);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: .08em;
  text-transform: uppercase;
}
h1, h2, h3, p { margin-top: 0; }
h1 {
  max-width: 820px;
  margin-bottom: 22px;
  color: var(--navy);
  font-size: 66px;
  line-height: .98;
}
h2 {
  max-width: 920px;
  margin-bottom: 18px;
  color: var(--navy);
  font-size: 42px;
  line-height: 1.08;
}
h3 {
  margin-bottom: 10px;
  color: var(--navy);
  font-size: 22px;
}
p {
  color: var(--muted);
  font-size: 17px;
  line-height: 1.58;
}
.lead {
  max-width: 760px;
  font-size: 21px;
  line-height: 1.55;
}

.hero {
  display: grid;
  grid-template-columns: minmax(420px, .92fr) minmax(420px, 1.08fr);
  gap: 58px;
  align-items: center;
  min-height: calc(100vh - 112px);
  padding: 76px 66px;
  overflow: hidden;
  background:
    radial-gradient(circle at 12% 12%, rgba(223,122,51,.12), transparent 26%),
    linear-gradient(135deg, #ffffff 0%, #ffffff 48%, #f7f9fc 100%);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 18px;
  text-decoration: none;
  font-weight: 850;
}
.button.primary {
  color: #fff;
  background: var(--orange);
}
.button.secondary {
  color: var(--navy);
  background: #fff;
  border: 1px solid var(--line);
}
.hero-media {
  display: grid;
  place-items: center;
  min-height: 520px;
  margin: 0;
  padding: 54px;
  background:
    radial-gradient(circle at 50% 42%, rgba(42,169,232,.16), transparent 36%),
    var(--navy);
  box-shadow: 0 24px 48px rgba(6,26,47,.16);
}
.hero-media img {
  display: block;
  width: min(620px, 100%);
  height: auto;
}

.section-title {
  max-width: 940px;
  margin-bottom: 34px;
}
.section-title p { max-width: 880px; }
.problem {
  padding: 72px 64px;
  background:
    radial-gradient(circle at 90% 18%, rgba(223,122,51,.13), transparent 24%),
    #ffffff;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}
.problem-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}
.problem-grid article {
  min-height: 210px;
  padding: 24px;
  background: var(--soft);
  border: 1px solid var(--line);
  border-top: 5px solid var(--orange);
}
.problem-grid strong {
  display: block;
  margin-bottom: 12px;
  color: var(--navy);
  font-size: 20px;
}
.problem-close {
  max-width: 920px;
  margin: 30px 0 0;
  padding: 24px 28px;
  color: var(--navy);
  background: rgba(223,122,51,.09);
  border-left: 5px solid var(--orange);
  font-size: 20px;
}
.aha {
  padding: 72px 64px;
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}
.system-flow {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 16px;
}
.system-flow article,
.doc-path article,
.stool-grid article,
.library-grid article,
.agent-grid article {
  position: relative;
  min-height: 220px;
  padding: 24px;
  background: var(--paper);
  border: 1px solid var(--line);
}
.system-flow article {
  border-top: 5px solid var(--orange);
}
.system-flow article:not(:last-child)::after {
  content: "";
  position: absolute;
  right: -17px;
  top: 56px;
  width: 34px;
  height: 3px;
  background: var(--orange);
  z-index: 2;
}
.system-flow span,
.doc-path span,
.library-grid span {
  display: inline-flex;
  margin-bottom: 18px;
  color: var(--orange);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: .06em;
  text-transform: uppercase;
}
.system-flow strong,
.doc-path strong,
.agent-grid strong {
  display: block;
  margin-bottom: 10px;
  color: var(--navy);
  font-size: 20px;
}

.stool {
  padding: 70px 0;
}
.stool-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}
.stool-grid article {
  min-height: 310px;
  padding: 34px;
  background: #fff;
  box-shadow: 0 12px 30px rgba(7,26,47,.06);
}
.icon {
  width: 72px;
  height: 72px;
  margin-bottom: 28px;
  background: var(--orange);
}
.strategy-icon {
  clip-path: polygon(12% 8%, 82% 8%, 82% 20%, 94% 20%, 94% 92%, 12% 92%);
}
.execution-icon {
  border-radius: 50%;
  background:
    linear-gradient(90deg, transparent 44%, #fff 45% 55%, transparent 56%),
    linear-gradient(0deg, transparent 44%, #fff 45% 55%, transparent 56%),
    var(--blue);
}
.agent-icon {
  border-radius: 20px;
  background:
    radial-gradient(circle at 34% 38%, #fff 0 8px, transparent 9px),
    radial-gradient(circle at 66% 38%, #fff 0 8px, transparent 9px),
    var(--orange);
}

.sequence {
  padding: 72px 64px;
  background: var(--navy);
  color: #fff;
}
.sequence h2,
.sequence .section-title p,
.sequence .doc-path p {
  color: #fff;
}
.doc-path {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}
.doc-path article {
  background: rgba(255,255,255,.08);
  border-color: rgba(255,255,255,.18);
  border-top: 5px solid var(--orange);
}
.doc-path strong { color: #fff; }
.doc-path p { color: rgba(255,255,255,.78); }

.library {
  padding: 72px 64px;
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}
.library-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}
.library-grid article {
  display: flex;
  flex-direction: column;
  min-height: 300px;
}
.library-grid h3 { font-size: 24px; }
.library-grid button {
  align-self: flex-start;
  margin-top: auto;
  padding: 10px 14px;
  color: var(--navy);
  background: #f2f5f8;
  border: 1px solid var(--line);
  font: inherit;
  font-size: 13px;
  font-weight: 850;
}

.asset-system {
  padding: 72px 64px;
  background:
    radial-gradient(circle at 10% 14%, rgba(223,122,51,.15), transparent 24%),
    #fff;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}
.asset-columns {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}
.asset-columns article {
  padding: 34px;
  background: var(--soft);
  border: 1px solid var(--line);
}
.asset-columns ul {
  display: grid;
  gap: 12px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}
.asset-columns li {
  position: relative;
  padding-left: 28px;
  color: var(--muted);
  line-height: 1.45;
}
.asset-columns li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .55em;
  width: 12px;
  height: 12px;
  background: var(--orange);
  clip-path: polygon(14% 44%, 43% 72%, 88% 15%, 100% 27%, 45% 92%, 0 52%);
}

.execution {
  display: grid;
  grid-template-columns: minmax(360px, .8fr) minmax(420px, 1.2fr);
  gap: 56px;
  align-items: center;
  padding: 70px 64px;
  background:
    linear-gradient(135deg, rgba(36,43,143,.08), transparent 50%),
    #fff;
  border: 1px solid var(--line);
}
.execution-map {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}
.execution-map div {
  min-height: 170px;
  padding: 24px;
  background: var(--navy);
  color: #fff;
}
.execution-map strong {
  display: block;
  margin-bottom: 12px;
  font-size: 22px;
}
.execution-map span {
  color: rgba(255,255,255,.78);
  line-height: 1.48;
}

.agent {
  padding: 72px 64px;
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}
.agent-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 160px;
  gap: 42px;
  align-items: center;
  margin-bottom: 26px;
}
.agent-card video {
  width: 150px;
  height: 150px;
  object-fit: contain;
}
.agent-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}
.agent-grid article {
  min-height: 170px;
  border-top: 5px solid var(--blue);
}

.founder-note {
  display: grid;
  grid-template-columns: minmax(420px, 1fr) minmax(320px, .55fr);
  gap: 46px;
  align-items: stretch;
  padding: 72px 64px;
  background: var(--navy);
  color: #fff;
}
.founder-note h2,
.founder-note p {
  color: #fff;
}
.founder-note p {
  color: rgba(255,255,255,.78);
}
.founder-note img {
  width: 420px;
  max-width: 100%;
  margin-top: 20px;
  filter: invert(1);
}
.founder-note aside {
  padding: 30px;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.16);
}
.founder-note aside strong {
  display: block;
  margin-bottom: 14px;
  color: #fff;
  font-size: 24px;
}

footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 34px 40px;
  color: #fff;
  background: #050f1d;
}
footer img {
  width: 140px;
  height: auto;
}
footer p {
  max-width: 680px;
  margin: 0;
  color: rgba(255,255,255,.76);
  font-size: 15px;
  text-align: right;
}

@media (max-width: 1120px) {
  .hero,
  .execution,
  .founder-note,
  .agent-card,
  .asset-columns {
    grid-template-columns: 1fr;
  }
  .system-flow,
  .problem-grid,
  .library-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .doc-path,
  .stool-grid,
  .agent-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .system-flow article:not(:last-child)::after { display: none; }
}

@media (max-width: 720px) {
  .site-header {
    position: static;
    align-items: flex-start;
    flex-direction: column;
    padding: 16px;
  }
  main { padding: 20px 14px 60px; }
  section { margin-bottom: 54px; }
  .hero,
  .problem,
  .aha,
  .sequence,
  .library,
  .asset-system,
  .execution,
  .agent,
  .founder-note {
    padding: 28px 22px;
  }
  h1 { font-size: 40px; }
  h2 { font-size: 30px; }
  .lead { font-size: 18px; }
  .system-flow,
  .problem-grid,
  .library-grid,
  .doc-path,
  .stool-grid,
  .agent-grid,
  .execution-map {
    grid-template-columns: 1fr;
  }
  footer {
    align-items: flex-start;
    flex-direction: column;
  }
  footer p { text-align: left; }
}