:root {
  color-scheme: dark;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --bg: #07111f;
  --bg-soft: #0b1728;
  --surface: rgba(15, 29, 47, 0.9);
  --surface-strong: #101e31;
  --surface-muted: #0b1726;
  --border: rgba(151, 176, 210, 0.18);
  --border-strong: rgba(122, 233, 198, 0.32);
  --text: #f5f8fb;
  --text-soft: #c8d3df;
  --muted: #8192a8;
  --accent: #5ce1b9;
  --accent-2: #6ca9ff;
  --accent-3: #b58cff;
  --warning: #f0c56a;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.34);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(circle at 15% 10%, rgba(108, 169, 255, 0.12), transparent 31%),
    radial-gradient(circle at 85% 0%, rgba(92, 225, 185, 0.1), transparent 28%),
    var(--bg);
  color: var(--text);
  line-height: 1.55;
}
a { color: inherit; text-decoration: none; }
button, a { -webkit-tap-highlight-color: transparent; }
button { font: inherit; }
img { max-width: 100%; }

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 1000;
  transform: translateY(-180%);
  border-radius: 10px;
  background: var(--text);
  color: #07111f;
  padding: 10px 14px;
  font-weight: 800;
}
.skip-link:focus { transform: none; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  width: 100%;
  min-height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 12px clamp(20px, 4vw, 64px);
  border-bottom: 1px solid var(--border);
  background: rgba(7, 17, 31, 0.88);
  backdrop-filter: blur(20px);
}
.site-header.scrolled { background: rgba(7, 17, 31, 0.96); }

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}
.brand-mark {
  width: 40px;
  height: 40px;
  position: relative;
  display: inline-grid;
  place-items: center;
  border-radius: 13px;
  border: 1px solid rgba(128, 180, 255, 0.24);
  background: linear-gradient(145deg, rgba(108, 169, 255, 0.16), rgba(92, 225, 185, 0.11));
  box-shadow: inset 0 0 30px rgba(108, 169, 255, 0.08);
}
.brand-mark i {
  position: absolute;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  border: 2px solid rgba(245, 248, 251, 0.95);
}
.brand-mark i:nth-child(1) { transform: translate(-7px, -5px); }
.brand-mark i:nth-child(2) { transform: translate(7px, -5px); border-color: var(--accent); }
.brand-mark i:nth-child(3) { transform: translate(0, 7px); border-color: var(--accent-2); }
.brand-copy { display: flex; flex-direction: column; min-width: 0; }
.brand-copy strong { font-size: 15px; letter-spacing: -0.01em; }
.brand-copy small { color: var(--muted); font-size: 10px; margin-top: 2px; }

.primary-nav { display: flex; align-items: center; gap: 7px; }
.primary-nav a {
  border-radius: 10px;
  padding: 9px 12px;
  color: var(--text-soft);
  font-size: 13px;
  font-weight: 650;
}
.primary-nav a:hover { background: rgba(255, 255, 255, 0.04); color: var(--text); }
.primary-nav .nav-cta {
  margin-left: 7px;
  border: 1px solid var(--border-strong);
  background: rgba(92, 225, 185, 0.08);
  color: #d9fff1;
}
.menu-toggle {
  display: none;
  align-items: center;
  gap: 7px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--surface-muted);
  color: var(--text-soft);
  padding: 9px 11px;
  cursor: pointer;
}
.menu-toggle i { width: 13px; height: 1px; background: currentColor; }

.hero {
  width: min(1450px, calc(100% - 40px));
  min-height: calc(100vh - 74px);
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(420px, 0.95fr);
  align-items: center;
  gap: clamp(40px, 7vw, 100px);
  padding: clamp(70px, 8vw, 120px) 0;
}
.hero-copy { max-width: 760px; }
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--accent);
  font-size: 11px;
  font-weight: 850;
  letter-spacing: 0.15em;
}
.eyebrow::before {
  content: "";
  width: 24px;
  height: 1px;
  background: currentColor;
}
.hero h1 {
  margin: 20px 0 22px;
  font-size: clamp(48px, 6vw, 92px);
  line-height: 0.99;
  letter-spacing: -0.055em;
  font-weight: 760;
}
.hero h1 span {
  background: linear-gradient(90deg, #f5f8fb 2%, #91c8ff 48%, #6ce8c3 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-lead {
  max-width: 720px;
  margin: 0;
  color: var(--text-soft);
  font-size: clamp(17px, 1.35vw, 21px);
  line-height: 1.72;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.button {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: 12px;
  padding: 0 18px;
  font-size: 14px;
  font-weight: 780;
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease;
}
.button:hover { transform: translateY(-1px); }
.button.primary { background: linear-gradient(135deg, #59e0b7, #3eb1a0); color: #052018; }
.button.secondary { border: 1px solid var(--border); background: rgba(255, 255, 255, 0.035); color: var(--text); }
.button.light { background: #f4fbf8; color: #0b2b22; }
.hero-proof {
  display: flex;
  gap: 28px;
  margin-top: 50px;
  padding-top: 28px;
  border-top: 1px solid var(--border);
}
.hero-proof span { display: flex; flex-direction: column; gap: 3px; }
.hero-proof strong { font-size: 24px; letter-spacing: -0.035em; }
.hero-proof small { color: var(--muted); font-size: 11px; text-transform: uppercase; letter-spacing: 0.07em; }

.hero-visual {
  position: relative;
  min-height: 640px;
  display: grid;
  place-items: center;
  isolation: isolate;
}
.orbit {
  position: absolute;
  border: 1px solid rgba(133, 169, 214, 0.14);
  border-radius: 50%;
}
.orbit-one { width: 470px; height: 470px; }
.orbit-two { width: 610px; height: 610px; }
.platform-core {
  width: 255px;
  height: 255px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  border: 1px solid rgba(92, 225, 185, 0.3);
  border-radius: 50%;
  background:
    radial-gradient(circle at 35% 25%, rgba(108, 169, 255, 0.2), transparent 40%),
    linear-gradient(145deg, rgba(17, 36, 58, 0.98), rgba(8, 22, 35, 0.98));
  box-shadow: 0 35px 90px rgba(0, 0, 0, 0.46), inset 0 0 80px rgba(92, 225, 185, 0.04);
}
.core-mark { position: relative; width: 54px; height: 40px; margin-bottom: 7px; }
.core-mark i { position: absolute; width: 20px; height: 20px; border-radius: 50%; border: 3px solid var(--text); }
.core-mark i:nth-child(1) { left: 2px; top: 0; }
.core-mark i:nth-child(2) { right: 2px; top: 0; border-color: var(--accent); }
.core-mark i:nth-child(3) { left: 17px; bottom: 0; border-color: var(--accent-2); }
.platform-core > small { color: var(--accent); font-size: 9px; font-weight: 850; letter-spacing: 0.15em; }
.platform-core > strong { font-size: 34px; line-height: 0.98; text-align: center; letter-spacing: -0.04em; }
.platform-core > span { color: var(--muted); font-size: 10px; margin-top: 6px; }
.orbit-card {
  position: absolute;
  width: 150px;
  min-height: 92px;
  display: grid;
  grid-template-columns: 34px 1fr;
  align-items: center;
  gap: 10px;
  padding: 13px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: rgba(10, 24, 40, 0.94);
  box-shadow: var(--shadow);
}
.orbit-card > span {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 10px;
  background: rgba(108, 169, 255, 0.12);
  color: var(--accent-2);
  font-size: 11px;
  font-weight: 850;
}
.orbit-card strong { font-size: 12px; }
.orbit-card small { grid-column: 2; margin-top: -16px; color: var(--muted); font-size: 9px; }
.card-ai { top: 85px; right: 20px; border-color: var(--border-strong); }
.card-ai > span { color: var(--accent); background: rgba(92, 225, 185, 0.11); }
.card-health { left: -5px; top: 180px; }
.card-finance { right: 0; bottom: 120px; }
.card-more { left: 50px; bottom: 60px; }

.section {
  width: min(1450px, calc(100% - 40px));
  margin: 0 auto;
  padding: clamp(80px, 9vw, 140px) 0;
}
.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(320px, 0.8fr);
  gap: 60px;
  align-items: end;
  margin-bottom: 38px;
}
.section-heading h2, .ai-intro h2, .final-cta h2 {
  margin: 13px 0 0;
  font-size: clamp(38px, 4.5vw, 68px);
  line-height: 1.04;
  letter-spacing: -0.045em;
}
.section-heading > p, .ai-intro p, .final-cta p {
  margin: 0;
  color: var(--text-soft);
  font-size: 16px;
  line-height: 1.72;
}

.solutions-section { border-top: 1px solid var(--border); }
.solution-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}
.solution-card {
  min-height: 330px;
  display: flex;
  flex-direction: column;
  padding: 24px;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: linear-gradient(180deg, rgba(17, 32, 51, 0.86), rgba(9, 22, 36, 0.88));
}
.solution-card.featured {
  grid-column: span 2;
  border-color: var(--border-strong);
  background:
    radial-gradient(circle at 90% 0%, rgba(92, 225, 185, 0.12), transparent 34%),
    linear-gradient(180deg, rgba(17, 38, 52, 0.96), rgba(8, 24, 36, 0.96));
}
.card-top { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.solution-icon {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border-radius: 13px;
  background: rgba(108, 169, 255, 0.09);
  color: #bcd8ff;
  font-size: 12px;
  font-weight: 850;
  letter-spacing: 0.03em;
}
.status {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  border-radius: 999px;
  padding: 5px 8px;
  font-size: 9px;
  font-weight: 850;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}
.status.active { border: 1px solid rgba(92, 225, 185, 0.28); background: rgba(92, 225, 185, 0.09); color: #89f3d3; }
.status.planned { border: 1px solid rgba(129, 146, 168, 0.2); background: rgba(129, 146, 168, 0.06); color: #9eacbd; }
.solution-card h3 { margin: 25px 0 10px; font-size: 23px; letter-spacing: -0.025em; }
.solution-card p { margin: 0; color: var(--text-soft); font-size: 14px; line-height: 1.65; }
.card-meta { margin-top: auto; padding-top: 28px; display: flex; justify-content: space-between; gap: 12px; color: var(--muted); font-size: 10px; }
.card-meta strong { color: #b8c6d5; font-weight: 700; }
.card-link { margin-top: 16px; width: fit-content; color: var(--accent); font-size: 13px; font-weight: 760; }

.ai-section {
  width: 100%;
  padding-left: max(20px, calc((100vw - 1450px) / 2));
  padding-right: max(20px, calc((100vw - 1450px) / 2));
  background:
    linear-gradient(180deg, rgba(11, 25, 42, 0.85), rgba(6, 17, 29, 0.85)),
    radial-gradient(circle at 100% 0%, rgba(108, 169, 255, 0.12), transparent 34%);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.ai-intro {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 40px;
  margin-bottom: 36px;
}
.ai-intro > div { max-width: 920px; }
.ai-intro p { margin-top: 18px; max-width: 820px; }
.ai-product-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.ai-product {
  min-height: 142px;
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr) auto;
  align-items: start;
  gap: 16px;
  padding: 20px;
  border: 1px solid var(--border);
  border-radius: 15px;
  background: rgba(8, 20, 34, 0.72);
}
.ai-product.active-product {
  border-color: rgba(92, 225, 185, 0.28);
  background: rgba(14, 40, 42, 0.52);
}
.product-number { color: var(--muted); font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 11px; }
.ai-product strong { display: block; font-size: 17px; }
.ai-product p { margin: 7px 0 0; color: var(--text-soft); font-size: 13px; line-height: 1.55; }
.ai-product .status { align-self: start; }

.architecture-section { padding-bottom: 110px; }
.section-heading.compact { max-width: 1100px; }
.architecture-map {
  display: grid;
  grid-template-columns: 1fr 130px 1.55fr;
  align-items: stretch;
  margin-top: 45px;
}
.architecture-node {
  min-height: 220px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 30px;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: linear-gradient(180deg, rgba(18, 33, 52, 0.86), rgba(8, 21, 34, 0.88));
}
.architecture-node small { color: var(--muted); font-size: 9px; font-weight: 850; letter-spacing: 0.13em; }
.architecture-node strong { margin-top: 10px; font-size: 24px; letter-spacing: -0.03em; }
.architecture-node > span { margin-top: 8px; color: var(--accent); font-size: 12px; }
.architecture-node em { margin-top: 18px; color: var(--text-soft); font-style: normal; font-size: 11px; line-height: 1.6; }
.parent-node { border-color: rgba(108, 169, 255, 0.27); }
.active-node { border-color: rgba(92, 225, 185, 0.28); }
.architecture-children { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.architecture-line { position: relative; display: grid; place-items: center; }
.architecture-line::before { content: ""; width: 100%; height: 1px; background: var(--border); }
.architecture-line i { position: absolute; width: 7px; height: 7px; border-radius: 50%; background: var(--accent-2); }
.architecture-line i:first-child { left: 0; }
.architecture-line i:nth-child(2) { left: 50%; transform: translateX(-50%); }
.architecture-line i:last-child { right: 0; background: var(--accent); }
.principles-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; margin-top: 14px; }
.principles-grid > div { padding: 22px; border: 1px solid var(--border); border-radius: 14px; background: rgba(12, 24, 39, 0.6); }
.principles-grid span { color: var(--accent-2); font-size: 10px; font-weight: 800; }
.principles-grid strong { display: block; margin-top: 13px; font-size: 15px; }
.principles-grid p { margin: 7px 0 0; color: var(--muted); font-size: 12px; line-height: 1.55; }

.final-cta {
  width: min(1450px, calc(100% - 40px));
  margin-bottom: 70px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  padding: clamp(40px, 5vw, 70px);
  border-radius: 24px;
  background:
    linear-gradient(120deg, rgba(72, 181, 160, 0.95), rgba(69, 113, 191, 0.96)),
    #3b8ba1;
  box-shadow: var(--shadow);
}
.final-cta .eyebrow { color: rgba(255, 255, 255, 0.74); }
.final-cta h2 { max-width: 760px; }
.final-cta p { margin-top: 13px; max-width: 760px; color: rgba(255, 255, 255, 0.82); }

.site-footer {
  min-height: 110px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 26px clamp(20px, 4vw, 64px);
  border-top: 1px solid var(--border);
  background: #050d17;
}
.footer-copy { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 18px; color: var(--muted); font-size: 11px; }
.footer-copy a:hover { color: var(--text); }

:focus-visible { outline: 2px solid rgba(92, 225, 185, 0.7); outline-offset: 3px; }

@media (max-width: 1180px) {
  .hero { grid-template-columns: 1fr; min-height: auto; }
  .hero-copy { max-width: 900px; }
  .hero-visual { min-height: 560px; }
  .solution-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .architecture-map { grid-template-columns: 1fr; gap: 12px; }
  .architecture-line { height: 65px; }
  .architecture-line::before { width: 1px; height: 100%; }
  .architecture-line i:first-child { top: 0; left: 50%; transform: translateX(-50%); }
  .architecture-line i:nth-child(2) { top: 50%; left: 50%; transform: translate(-50%, -50%); }
  .architecture-line i:last-child { bottom: 0; top: auto; left: 50%; right: auto; transform: translateX(-50%); }
}

@media (max-width: 860px) {
  .site-header { min-height: 68px; }
  .menu-toggle { display: inline-flex; }
  .primary-nav {
    position: absolute;
    top: calc(100% + 1px);
    left: 16px;
    right: 16px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    padding: 10px;
    border: 1px solid var(--border);
    border-radius: 14px;
    background: rgba(7, 17, 31, 0.98);
    box-shadow: var(--shadow);
  }
  .primary-nav.open { display: flex; }
  .primary-nav a { padding: 12px; }
  .primary-nav .nav-cta { margin-left: 0; margin-top: 4px; text-align: center; }
  .hero { width: min(100% - 30px, 1450px); padding-top: 65px; }
  .hero h1 { font-size: clamp(44px, 11vw, 70px); }
  .hero-visual { min-height: 500px; transform: scale(0.92); }
  .section { width: min(100% - 30px, 1450px); }
  .section-heading { grid-template-columns: 1fr; gap: 20px; }
  .ai-intro { align-items: flex-start; flex-direction: column; }
  .ai-product-grid { grid-template-columns: 1fr; }
  .architecture-children { grid-template-columns: 1fr; }
  .principles-grid { grid-template-columns: 1fr; }
  .final-cta { width: min(100% - 30px, 1450px); flex-direction: column; align-items: flex-start; }
  .site-footer { align-items: flex-start; flex-direction: column; }
  .footer-copy { justify-content: flex-start; }
}

@media (max-width: 620px) {
  .site-header { padding-left: 14px; padding-right: 14px; }
  .brand-copy small { display: none; }
  .menu-toggle span { display: none; }
  .hero { width: min(100% - 26px, 1450px); gap: 25px; padding-bottom: 55px; }
  .hero h1 { font-size: clamp(42px, 13vw, 62px); }
  .hero-lead { font-size: 16px; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .button { width: 100%; }
  .hero-proof { gap: 16px; justify-content: space-between; }
  .hero-proof strong { font-size: 20px; }
  .hero-proof small { font-size: 8px; }
  .hero-visual { min-height: 440px; transform: scale(0.76); margin: -45px -70px; }
  .solution-grid { grid-template-columns: 1fr; }
  .solution-card.featured { grid-column: auto; }
  .section { width: min(100% - 26px, 1450px); padding: 74px 0; }
  .section-heading h2, .ai-intro h2, .final-cta h2 { font-size: clamp(36px, 10vw, 50px); }
  .ai-section { padding-left: 13px; padding-right: 13px; }
  .ai-product { grid-template-columns: 38px 1fr; }
  .ai-product .status { grid-column: 2; }
  .architecture-node { padding: 24px; }
  .final-cta { width: min(100% - 26px, 1450px); margin-bottom: 40px; padding: 32px 24px; border-radius: 18px; }
  .footer-brand .brand-copy small { display: block; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
}