:root {
  --primary: #767CC4;
  --primary-dark: #5a5e95;
  --accent: #BABFFF;
  --surface: #E1E3FB;
  --surface-soft: #f8f8fc;
  --ink: #24222F;
  --ink-soft: #6e6c75;
  --white: #ffffff;
  --radius: 18px;
  --shadow: 0 18px 40px -24px rgba(36, 34, 47, 0.45);
  --maxw: 1140px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: "Poppins", system-ui, -apple-system, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

.eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 0.85rem;
}

h1, h2, h3 { line-height: 1.15; letter-spacing: -0.02em; }

.accent { color: var(--primary); }

/* ===== Buttons ===== */
.btn {
  display: inline-block;
  padding: 0.85rem 1.6rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}
.btn--primary {
  background: var(--primary);
  color: var(--white);
  box-shadow: 0 10px 24px -10px rgba(118, 124, 196, 0.8);
}
.btn--primary:hover { background: var(--primary-dark); transform: translateY(-2px); }
.btn--ghost {
  background: transparent;
  color: var(--ink);
  border: 1.5px solid var(--surface);
}
.btn--ghost:hover { border-color: var(--primary); color: var(--primary); }

/* ===== Navbar ===== */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--surface-soft);
}
.nav__inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0.9rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav__brand { display: flex; align-items: center; gap: 0.55rem; }
.nav__logo { height: 26px; width: auto; display: block; }
.nav__badge {
  font-weight: 700;
  font-size: 0.82rem;
  color: var(--primary);
  background: var(--surface);
  padding: 0.15rem 0.6rem;
  border-radius: 8px;
  letter-spacing: 0.02em;
}
.nav__links { display: flex; align-items: center; gap: 1.6rem; font-weight: 500; font-size: 0.95rem; }
.nav__links a { color: var(--ink-soft); transition: color 0.15s ease; }
.nav__links a:hover { color: var(--ink); }
.nav__cta {
  background: var(--ink);
  color: var(--white) !important;
  padding: 0.55rem 1.15rem;
  border-radius: 999px;
}
.nav__cta:hover { background: var(--primary-dark); }

/* ===== Hero ===== */
.hero {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 5rem 1.5rem 4rem;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 3rem;
  align-items: center;
}
.hero h1 { font-size: clamp(2.1rem, 4.5vw, 3.4rem); font-weight: 700; margin-bottom: 1.2rem; }
.lead { font-size: 1.1rem; color: var(--ink-soft); max-width: 38ch; }
.hero__actions { display: flex; gap: 1rem; margin-top: 2rem; flex-wrap: wrap; }
.hero__note { margin-top: 1.4rem; font-size: 0.85rem; color: var(--ink-soft); }

/* ===== Radial hub diagram ===== */
.hub-diagram {
  position: relative;
  aspect-ratio: 1 / 1;
  width: 100%;
  max-width: 420px;
  margin: 0 auto;
  border-radius: 50%;
  background: radial-gradient(circle at center, var(--surface) 0%, var(--surface-soft) 60%, transparent 72%);
}
.hub-diagram__core {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 130px; height: 130px;
  border-radius: 50%;
  background: var(--white);
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.2rem;
  z-index: 2;
}
.hub-diagram__core-logo { width: 48px; height: 48px; }
.hub-diagram__core span { font-weight: 700; font-size: 0.95rem; color: var(--ink); }
.node {
  position: absolute;
  background: var(--white);
  border: 1.5px solid var(--surface);
  color: var(--ink);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.4rem 0.8rem;
  border-radius: 999px;
  white-space: nowrap;
  box-shadow: 0 8px 20px -14px rgba(36,34,47,0.5);
  transform: translate(-50%, -50%);
}
.node--1 { top: 6%;  left: 50%; }
.node--2 { top: 27%; left: 95%; }
.node--3 { top: 73%; left: 95%; }
.node--4 { top: 94%; left: 50%; }
.node--5 { top: 73%; left: 5%; }
.node--6 { top: 27%; left: 5%; }

/* ===== Section heads ===== */
.section-head { text-align: center; max-width: 620px; margin: 0 auto 3rem; }
.section-head h2 { font-size: clamp(1.8rem, 3.5vw, 2.6rem); font-weight: 700; margin-bottom: 0.7rem; }
.section-head p { color: var(--ink-soft); }

/* ===== Sectors ===== */
.sectors { max-width: var(--maxw); margin: 0 auto; padding: 4rem 1.5rem; }
.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.card {
  background: var(--white);
  border: 1px solid var(--surface-soft);
  border-radius: var(--radius);
  padding: 1.8rem;
  box-shadow: var(--shadow);
  transition: transform 0.18s ease, border-color 0.18s ease;
}
.card:hover { transform: translateY(-6px); border-color: var(--accent); }
.card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 48px; height: 48px;
  padding: 0 0.7rem;
  border-radius: 12px;
  background: var(--surface);
  color: var(--primary-dark);
  font-weight: 700;
  font-size: 0.95rem;
  margin-bottom: 1.1rem;
}
.card h3 { font-size: 1.25rem; font-weight: 600; margin-bottom: 0.5rem; }
.card p { color: var(--ink-soft); font-size: 0.95rem; margin-bottom: 1rem; }
.card ul { list-style: none; display: flex; flex-direction: column; gap: 0.4rem; }
.card li {
  font-size: 0.88rem;
  font-weight: 500;
  padding-left: 1.1rem;
  position: relative;
}
.card li::before {
  content: "";
  position: absolute;
  left: 0; top: 0.6em;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--primary);
}

/* ===== How it connects ===== */
.hub {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 4rem 1.5rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}
.hub h2 { font-size: clamp(1.8rem, 3.5vw, 2.6rem); font-weight: 700; margin-bottom: 1rem; }
.hub__text p { color: var(--ink-soft); margin-bottom: 1.4rem; }
.hub__list { list-style: none; display: flex; flex-direction: column; gap: 0.7rem; }
.hub__list li { padding-left: 1.4rem; position: relative; color: var(--ink-soft); }
.hub__list strong { color: var(--ink); }
.hub__list li::before {
  content: "›";
  position: absolute; left: 0;
  color: var(--primary);
  font-weight: 700;
}
.hub__center {
  background: linear-gradient(160deg, var(--surface) 0%, var(--surface-soft) 100%);
  border-radius: var(--radius);
  padding: 2.2rem;
}
.hub__center h3 { font-size: 1.4rem; font-weight: 600; margin-bottom: 0.4rem; }
.hub__center > p { color: var(--ink-soft); margin-bottom: 1.4rem; }
.chips { display: flex; flex-wrap: wrap; gap: 0.6rem; }
.chips span {
  background: var(--white);
  border: 1px solid var(--accent);
  color: var(--primary-dark);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.4rem 0.9rem;
  border-radius: 999px;
}

/* ===== CTA ===== */
.cta {
  max-width: 760px;
  margin: 3rem auto 5rem;
  padding: 3.5rem 2rem;
  text-align: center;
  background: var(--ink);
  color: var(--white);
  border-radius: 28px;
}
.cta h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); font-weight: 700; margin-bottom: 0.6rem; }
.cta p { color: rgba(255,255,255,0.7); margin-bottom: 1.8rem; }

/* ===== Footer ===== */
.footer {
  border-top: 1px solid var(--surface-soft);
  padding: 2rem 1.5rem;
  text-align: center;
  color: var(--ink-soft);
  font-size: 0.88rem;
}
.footer__logo { height: 22px; margin-bottom: 0.6rem; }

/* ===== Responsive ===== */
@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; padding-top: 3rem; }
  .hub-diagram { order: -1; max-width: 340px; }
  .cards { grid-template-columns: repeat(2, 1fr); }
  .hub { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .nav__links a:not(.nav__cta) { display: none; }
  .cards { grid-template-columns: 1fr; }
  .lead { max-width: none; }
}