:root {
  --background: #ffffff;
  --foreground: #111111;
  --muted: #737373;
  --secondary: #f6f6f6;
  --border: #e6e6e6;
  --radius: 8px;
  --container: 1152px;
  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;
  background: var(--background);
  color: var(--foreground);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

.container {
  width: min(100% - 48px, var(--container));
  margin-inline: auto;
}

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 20;
  border-bottom: 1px solid transparent;
  transition: background 180ms ease, border-color 180ms ease;
}

.site-header.is-scrolled,
.site-header.menu-open {
  background: rgba(255, 255, 255, 0.86);
  border-color: var(--border);
  backdrop-filter: blur(14px);
}

.nav-wrap {
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.brand-dot {
  width: 10px;
  height: 10px;
  flex: 0 0 10px;
  border-radius: 50%;
  background: #000;
}

.brand strong {
  display: block;
  font-size: 16px;
  line-height: 1;
  letter-spacing: 0;
}

.brand small {
  display: block;
  margin-top: 3px;
  color: var(--muted);
  font-size: 8px;
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-menu a {
  color: var(--muted);
  font-size: 14px;
  transition: color 160ms ease;
}

.nav-menu a:hover,
.nav-menu a.active { color: var(--foreground); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 42px;
  border-radius: 999px;
  padding: 0 22px;
  border: 1px solid var(--border);
  font-size: 14px;
  font-weight: 650;
  transition: transform 160ms ease, opacity 160ms ease, background 160ms ease;
}

.btn:hover { transform: translateY(-1px); }
.btn-dark { background: #000; color: #fff; border-color: #000; }
.btn-dark:hover { opacity: 0.9; }
.btn-light:hover { background: var(--secondary); }

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 0;
  background: transparent;
  border-radius: var(--radius);
  position: relative;
}

.nav-toggle span {
  position: absolute;
  left: 11px;
  width: 20px;
  height: 1.5px;
  background: #111;
  transition: transform 160ms ease, top 160ms ease;
}

.nav-toggle span:first-child { top: 16px; }
.nav-toggle span:last-child { top: 24px; }
.menu-open .nav-toggle span:first-child { top: 20px; transform: rotate(45deg); }
.menu-open .nav-toggle span:last-child { top: 20px; transform: rotate(-45deg); }

main { padding-top: 64px; }

.hero {
  min-height: calc(100vh - 64px);
  display: grid;
  align-items: center;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 500px);
  align-items: center;
  gap: 72px;
  padding-block: 80px;
}

.eyebrow {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  font-weight: 650;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

h1, h2, h3, h4, p { margin-top: 0; }

h1 {
  max-width: 760px;
  margin-bottom: 0;
  margin-top: 24px;
  font-size: clamp(42px, 6vw, 72px);
  line-height: 1.05;
  letter-spacing: 0;
}

h2 {
  max-width: 680px;
  margin: 16px 0 0;
  font-size: clamp(32px, 4vw, 46px);
  line-height: 1.1;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 0;
  font-size: 20px;
  line-height: 1.2;
  letter-spacing: 0;
}

.hero-copy,
.lead {
  max-width: 620px;
  margin-top: 24px;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.7;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 40px;
}

.hero-art svg {
  display: block;
  width: 100%;
  height: auto;
  overflow: visible;
}

.hero-art .ring,
.hero-art line,
.hero-art .nodes circle:first-child {
  fill: none;
  stroke: currentColor;
}

.hero-art .ring { opacity: 0.08; }
.hero-art .ring.faint { opacity: 0.06; }
.hero-art line { opacity: 0.25; }
.hero-art .nodes circle:first-child { opacity: 0.15; }
.hero-art .nodes circle:nth-child(even),
.hero-art .pulse { fill: currentColor; stroke: 0; }
.pulse {
  transform-origin: 250px 230px;
  animation: pulse 3s ease-in-out infinite;
}

.section-pad { padding-block: 96px; }
.band { border-block: 1px solid var(--border); background: var(--secondary); }

.cards {
  display: grid;
  gap: 16px;
  margin-top: 56px;
}

.cards-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.cards-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.cards-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }

.card {
  height: 100%;
  padding: 28px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: #fff;
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 34px rgba(0, 0, 0, 0.06);
}

.card p,
.metric-grid p {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.65;
}

.icon {
  display: inline-flex;
  min-width: 24px;
  min-height: 24px;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  line-height: 1;
}

.process {
  display: grid;
  grid-template-columns: repeat(5, minmax(180px, 1fr));
  gap: 18px;
  margin: 64px 0 0;
  padding: 0;
  list-style: none;
  overflow-x: auto;
}

.process li {
  min-width: 180px;
  font-size: 17px;
  font-weight: 650;
  line-height: 1.35;
}

.process span {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 20px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 650;
}

.process span::after {
  content: "";
  height: 1px;
  flex: 1;
  background: var(--border);
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 56px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--border);
  gap: 1px;
}

.metric-grid article {
  min-height: 260px;
  padding: 40px;
  background: #fff;
}

.metric-grid h3 {
  margin-top: 32px;
  font-size: 30px;
}

.cta {
  padding-block: 112px;
  text-align: center;
  border-top: 1px solid var(--border);
}

.cta h2 {
  margin-inline: auto;
  font-size: clamp(36px, 5vw, 56px);
}

.cta .btn { margin-top: 36px; }

.page-hero { padding-block: 96px 88px; }
.page-hero h1 { font-size: clamp(40px, 5vw, 64px); }

.split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 520px);
  gap: 72px;
  align-items: start;
}

.list {
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.list li {
  display: flex;
  gap: 12px;
  align-items: center;
  margin-top: 12px;
  font-size: 15px;
}

.list li::before {
  content: "";
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: #111;
  flex: 0 0 5px;
}

.course-meta {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 650;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.soon {
  margin-top: 32px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 650;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.placeholder {
  aspect-ratio: 4 / 3;
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, transparent 48%, #ededed 49%, #ededed 51%, transparent 52%),
    #fafafa;
}

.contact-list {
  margin: 48px 0 0;
  padding: 0;
  list-style: none;
}

.contact-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 18px;
  font-size: 15px;
}

.contact-card {
  padding: 32px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: #fff;
}

.field { margin-top: 20px; }
.field:first-child { margin-top: 0; }

.field label {
  display: block;
  color: var(--muted);
  font-size: 12px;
  font-weight: 650;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.field input,
.field textarea {
  width: 100%;
  margin-top: 8px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: #fff;
  color: var(--foreground);
  font: inherit;
  font-size: 15px;
  outline: none;
  padding: 13px 14px;
  transition: border-color 160ms ease;
}

.field input:focus,
.field textarea:focus { border-color: #111; }

.form-status {
  min-height: 20px;
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.footer {
  border-top: 1px solid var(--border);
  background: #fff;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 56px;
  padding-block: 64px;
}

.footer p {
  max-width: 340px;
  margin-top: 18px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.65;
}

.footer h4 {
  margin: 0 0 18px;
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.footer a:not(.brand) {
  display: block;
  margin-top: 12px;
  color: var(--muted);
  font-size: 14px;
}

.footer a:hover { color: var(--foreground); }

.socials { display: flex; gap: 10px; }
.socials a {
  width: 40px;
  height: 40px;
  display: inline-flex !important;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
  border-radius: 50%;
  font-size: 12px !important;
  font-weight: 700;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-block: 28px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 12px;
}

.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 650ms ease, transform 650ms ease;
}

.reveal.visible {
  opacity: 1;
  transform: none;
}

.delay-1 { transition-delay: 120ms; }

@keyframes pulse {
  0%, 100% { opacity: 0.6; transform: scale(1); }
  50% { opacity: 0; transform: scale(2.8); }
}

@media (max-width: 920px) {
  .container { width: min(100% - 32px, var(--container)); }
  .nav-toggle { display: inline-block; }
  .nav-cta { display: none; }
  .nav-menu {
    display: none;
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 16px;
    border-bottom: 1px solid var(--border);
    background: #fff;
  }
  .nav-menu.open { display: flex; }
  .nav-menu a {
    padding: 14px 8px;
    color: var(--foreground);
  }
  .hero-grid,
  .split {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .hero-art { max-width: 480px; margin-inline: auto; }
  .cards-4,
  .cards-3,
  .cards-2,
  .metric-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .metric-grid article { min-height: auto; }
  .process { grid-template-columns: repeat(5, 220px); }
}

@media (max-width: 560px) {
  .brand small { display: none; }
  h1 { font-size: 40px; }
  .hero-grid { padding-block: 56px; }
  .section-pad { padding-block: 72px; }
  .page-hero { padding-block: 72px 64px; }
  .card,
  .contact-card,
  .metric-grid article { padding: 24px; }
  .footer-bottom {
    align-items: flex-start;
    flex-direction: column;
  }
}