:root {
  color-scheme: light;
  --ink: #111827;
  --muted: #4b5563;
  --soft: #6b7280;
  --line: #d7dde7;
  --paper: #ffffff;
  --wash: #f6f8fb;
  --blue: #1d4ed8;
  --teal: #0f766e;
  --green: #166534;
  --amber: #a16207;
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.56;
  overflow-x: hidden;
}

a {
  color: inherit;
}

.site-header {
  position: sticky;
  z-index: 10;
  top: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  padding: 14px clamp(18px, 4vw, 56px);
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(12px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  flex: 0 0 38px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f9fafb;
  color: var(--blue);
  font-weight: 850;
}

.brand strong,
.brand small {
  display: block;
}

.brand strong {
  font-size: 0.98rem;
  line-height: 1.1;
}

.brand small {
  margin-top: 3px;
  color: var(--soft);
  font-size: 0.78rem;
}

.nav-links {
  display: flex;
  gap: clamp(12px, 2vw, 24px);
  font-size: 0.92rem;
  font-weight: 700;
}

.nav-links a {
  color: var(--muted);
  text-decoration: none;
}

.nav-links a:hover,
.nav-links a:focus-visible {
  color: var(--ink);
}

.hero {
  display: grid;
  align-items: center;
  min-height: calc(92vh - 72px);
  padding: clamp(72px, 12vw, 146px) clamp(18px, 4vw, 56px);
  background: #111827;
  color: #fff;
}

.hero-content {
  width: min(1040px, 100%);
  margin: 0 auto;
}

.eyebrow,
.section-kicker {
  margin: 0 0 14px;
  color: var(--teal);
  font-size: 0.76rem;
  font-weight: 850;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero .eyebrow {
  color: #5eead4;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 920px;
  margin-bottom: 22px;
  font-size: clamp(3.6rem, 11vw, 9rem);
  line-height: 0.9;
  letter-spacing: 0;
}

h1 span {
  display: block;
}

h2 span {
  display: block;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(2rem, 4.5vw, 4.1rem);
  line-height: 1.04;
  letter-spacing: 0;
  overflow-wrap: break-word;
}

h3 {
  margin-bottom: 12px;
  font-size: 1.16rem;
  line-height: 1.22;
}

.hero-subtitle {
  max-width: 760px;
  margin-bottom: 30px;
  color: rgba(255, 255, 255, 0.82);
  font-size: clamp(1.08rem, 2.2vw, 1.48rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 12px 18px;
  border: 1px solid transparent;
  border-radius: 8px;
  font-weight: 780;
  line-height: 1.1;
  text-decoration: none;
}

.button-primary {
  color: #fff;
  background: var(--blue);
  border-color: var(--blue);
}

.button-primary:hover,
.button-primary:focus-visible {
  background: #1e40af;
  border-color: #1e40af;
}

.button-secondary {
  color: #fff;
  background: transparent;
  border-color: rgba(255, 255, 255, 0.4);
}

.button-secondary:hover,
.button-secondary:focus-visible {
  background: rgba(255, 255, 255, 0.1);
}

.section {
  padding: clamp(58px, 8vw, 104px) clamp(18px, 4vw, 56px);
}

.section > * {
  width: min(1120px, 100%);
  margin-left: auto;
  margin-right: auto;
}

.split,
.section-heading,
.principles-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(320px, 0.8fr);
  gap: clamp(28px, 6vw, 80px);
  align-items: start;
}

.copy p,
.section-heading p,
.contact-panel p {
  color: var(--muted);
  font-size: 1.04rem;
}

.agenda-section,
.contact-section {
  background: var(--wash);
  border-block: 1px solid var(--line);
}

.agenda-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.agenda-grid article {
  min-height: 286px;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.agenda-grid span {
  display: block;
  margin-bottom: 34px;
  color: var(--amber);
  font-weight: 850;
}

.agenda-grid p {
  margin-bottom: 0;
  color: var(--muted);
}

.principles-section {
  background: #fff;
}

.principles-layout ul {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.principles-layout li {
  padding: 20px 0;
  border-top: 1px solid var(--line);
}

.principles-layout strong,
.principles-layout span {
  display: block;
}

.principles-layout strong {
  margin-bottom: 6px;
}

.principles-layout span {
  color: var(--muted);
}

.contact-panel {
  padding: clamp(28px, 6vw, 56px);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.contact-panel h2 {
  color: var(--blue);
}

.contact-panel .button {
  margin-top: 10px;
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  padding: 24px clamp(18px, 4vw, 56px);
  color: rgba(255, 255, 255, 0.76);
  background: #111827;
  font-size: 0.9rem;
}

.site-footer p {
  margin: 0;
}

@media (max-width: 920px) {
  .nav-links {
    display: none;
  }

  .split,
  .section-heading,
  .principles-layout,
  .agenda-grid {
    grid-template-columns: 1fr;
  }

  .agenda-grid article {
    min-height: auto;
  }
}

@media (max-width: 560px) {
  .site-header {
    min-height: 64px;
    padding: 12px 16px;
  }

  .brand strong {
    font-size: 0.88rem;
  }

  .brand small {
    display: none;
  }

  .hero {
    min-height: calc(86vh - 64px);
    padding: 64px 16px;
  }

  h1 {
    font-size: clamp(2.5rem, 13vw, 3.05rem);
    line-height: 0.96;
  }

  h2 {
    font-size: 1.9rem;
    line-height: 1.12;
  }

  .hero-subtitle {
    max-width: 330px;
    font-size: 1rem;
  }

  .hero-actions,
  .hero-actions .button {
    width: 100%;
  }

  .section {
    padding-left: 16px;
    padding-right: 16px;
  }

  .agenda-grid article,
  .contact-panel {
    padding: 22px;
  }
}
