:root {
  --blue: #3d79bd;
  --blue-dark: #2b507a;
  --blue-light: #8bd9f3;
  --ink: #142033;
  --muted: #5f6f83;
  --gray: #575756;
  --line: #dbe5ef;
  --surface: #f5f8fb;
  --white: #ffffff;
  --shadow: 0 18px 60px rgba(21, 48, 78, 0.10);
  --radius: 22px;
  --max: 1180px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

body.menu-open { overflow: hidden; }

img { display: block; max-width: 100%; }

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

button, input, textarea, select { font: inherit; }

.skip-link {
  position: fixed;
  top: -60px;
  left: 16px;
  z-index: 999;
  padding: 10px 16px;
  color: var(--white);
  background: var(--blue-dark);
  border-radius: 8px;
}

.skip-link:focus { top: 16px; }

.container {
  width: min(calc(100% - 40px), var(--max));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid rgba(219, 229, 239, 0.9);
  backdrop-filter: blur(16px);
}

.nav {
  min-height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.brand { display: inline-flex; align-items: center; }
.brand img { width: 142px; height: auto; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 30px;
  color: #30425a;
  font-size: 0.93rem;
  font-weight: 700;
}

.nav-links a {
  position: relative;
  padding: 22px 0 20px;
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: 14px;
  height: 2px;
  background: var(--blue);
  transition: right 180ms ease;
}

.nav-links a:hover::after,
.nav-links a[aria-current="page"]::after { right: 0; }

.nav-actions { display: flex; align-items: center; gap: 12px; }

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 22px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-weight: 700;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

.button:hover { transform: translateY(-2px); }
.button.primary {
  color: var(--white);
  background: var(--blue-dark);
  box-shadow: 0 12px 28px rgba(43, 80, 122, 0.20);
}
.button.primary:hover { background: #203f62; }
.button.secondary {
  color: var(--blue-dark);
  background: transparent;
  border-color: #aebfd1;
}
.button.light {
  color: var(--blue-dark);
  background: var(--white);
}
.button.small { min-height: 40px; padding-inline: 18px; font-size: 0.9rem; }

.menu-button {
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: pointer;
}

.menu-button span {
  display: block;
  width: 24px;
  height: 2px;
  margin: 5px auto;
  background: var(--blue-dark);
  transition: 180ms ease;
}

.hero {
  position: relative;
  overflow: hidden;
  padding: 96px 0 86px;
  background:
    radial-gradient(circle at 80% 20%, rgba(139, 217, 243, 0.28), transparent 28%),
    linear-gradient(150deg, #ffffff 0%, #f7fbff 58%, #eef6fb 100%);
}

.hero::before {
  content: "";
  position: absolute;
  width: 480px;
  height: 480px;
  right: -250px;
  bottom: -290px;
  border: 1px solid rgba(61, 121, 189, 0.22);
  border-radius: 50%;
  box-shadow: 0 0 0 70px rgba(61, 121, 189, 0.035), 0 0 0 145px rgba(61, 121, 189, 0.025);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(400px, 0.98fr);
  align-items: center;
  gap: 72px;
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--blue);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

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

h1 {
  max-width: 760px;
  margin-bottom: 24px;
  font-size: clamp(2.8rem, 6.2vw, 5.6rem);
  line-height: 0.98;
  letter-spacing: -0.055em;
}

h1 .accent { color: var(--blue); }

.lead {
  max-width: 650px;
  color: var(--muted);
  font-size: clamp(1.08rem, 1.5vw, 1.3rem);
  line-height: 1.7;
}

.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }

.trust-line {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  margin-top: 36px;
  color: #41546c;
  font-size: 0.9rem;
}
.trust-line span::before {
  content: "";
  display: inline-block;
  width: 7px;
  height: 7px;
  margin-right: 9px;
  background: var(--blue-light);
  border-radius: 50%;
  vertical-align: 1px;
}

.system-visual {
  position: relative;
  min-height: 490px;
  padding: 28px;
  color: var(--white);
  background: linear-gradient(145deg, #17324f, #0d1d30);
  border-radius: 34px;
  box-shadow: 0 40px 90px rgba(19, 42, 70, 0.24);
}

.system-visual::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.26;
  background-image: radial-gradient(rgba(139, 217, 243, 0.65) 1px, transparent 1px);
  background-size: 24px 24px;
  border-radius: inherit;
}

.visual-top, .visual-core, .visual-nodes { position: relative; z-index: 1; }
.visual-top { display: flex; justify-content: space-between; align-items: center; }
.visual-top img { width: 124px; }
.live {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #d4f4ff;
  font-size: 0.78rem;
}
.live::before {
  content: "";
  width: 8px;
  height: 8px;
  background: #8bd9f3;
  border-radius: 50%;
  box-shadow: 0 0 0 6px rgba(139, 217, 243, 0.12);
}

.visual-core {
  width: 190px;
  height: 190px;
  margin: 52px auto 34px;
  display: grid;
  place-items: center;
  text-align: center;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(139, 217, 243, 0.33);
  border-radius: 50%;
  box-shadow: inset 0 0 60px rgba(139, 217, 243, 0.08), 0 0 0 28px rgba(139, 217, 243, 0.035);
}
.visual-core strong { display: block; font-size: 1.45rem; }
.visual-core small { color: #a9bfd4; }

.visual-nodes {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}
.visual-node {
  padding: 13px 9px;
  text-align: center;
  color: #d9e9f6;
  background: rgba(255, 255, 255, 0.055);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 12px;
  font-size: 0.78rem;
}

.section { padding: 100px 0; }
.section.soft { background: var(--surface); }
.section.dark {
  color: var(--white);
  background: #122b46;
}

.section-heading {
  max-width: 740px;
  margin-bottom: 50px;
}
.section-heading.center { margin-inline: auto; text-align: center; }
.section-heading h2 {
  margin-bottom: 18px;
  font-size: clamp(2rem, 4vw, 3.35rem);
  line-height: 1.08;
  letter-spacing: -0.04em;
}
.section-heading p { color: var(--muted); font-size: 1.08rem; }
.dark .section-heading p { color: #b9cada; }

.pillars {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
.pillar, .solution-card, .value-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}
.pillar:hover, .solution-card:hover, .value-card:hover {
  transform: translateY(-5px);
  border-color: #b5ccdf;
  box-shadow: var(--shadow);
}
.pillar { padding: 30px 26px; }
.pillar-number {
  color: var(--blue);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.12em;
}
.pillar h3 { margin: 20px 0 10px; font-size: 1.18rem; }
.pillar p { margin: 0; color: var(--muted); font-size: 0.94rem; }

.split {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  align-items: center;
  gap: 72px;
}
.split.reverse { grid-template-columns: 1.1fr 0.9fr; }
.split h2 {
  margin-bottom: 20px;
  font-size: clamp(2rem, 4vw, 3.3rem);
  line-height: 1.1;
  letter-spacing: -0.04em;
}
.split-copy > p { color: var(--muted); font-size: 1.06rem; }

.check-list {
  display: grid;
  gap: 14px;
  padding: 0;
  margin: 28px 0 0;
  list-style: none;
}
.check-list li { position: relative; padding-left: 30px; }
.check-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--blue);
  font-weight: 900;
}

.path-panel {
  padding: 36px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 30px;
  box-shadow: var(--shadow);
}
.path-step {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 18px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}
.path-step:last-child { border-bottom: 0; }
.path-step span {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  color: var(--blue-dark);
  background: #eaf5fb;
  border-radius: 13px;
  font-weight: 800;
}
.path-step h3 { margin: 0 0 4px; font-size: 1rem; }
.path-step p { margin: 0; color: var(--muted); font-size: 0.9rem; }

.solutions-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.solution-card { padding: 30px; }
.solution-card .icon {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  color: var(--blue-dark);
  background: #e9f5fb;
  border-radius: 14px;
  font-size: 1.15rem;
  font-weight: 900;
}
.solution-card h3 { margin: 22px 0 10px; }
.solution-card p { margin-bottom: 20px; color: var(--muted); }
.text-link { color: var(--blue-dark); font-weight: 800; }
.text-link:hover { color: var(--blue); }

.proof-band {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 50px;
  padding: 54px;
  background: linear-gradient(140deg, #173653, #285b86);
  border-radius: 32px;
}
.proof-band h2 { margin-bottom: 18px; font-size: clamp(2rem, 4vw, 3.2rem); line-height: 1.08; }
.proof-band p { margin-bottom: 0; color: #cfe0ed; }
.proof-points { display: grid; gap: 13px; }
.proof-points div {
  padding: 15px 18px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 14px;
}

.cta {
  padding: 70px 0;
  color: var(--white);
  background: var(--blue-dark);
}
.cta-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
}
.cta h2 { margin-bottom: 8px; font-size: clamp(1.9rem, 4vw, 3rem); letter-spacing: -0.035em; }
.cta p { margin: 0; color: #c8d9e8; }

.page-hero {
  padding: 86px 0 72px;
  background: linear-gradient(150deg, #f7fbff, #edf5fa);
  border-bottom: 1px solid var(--line);
}
.page-hero .eyebrow { margin-bottom: 14px; }
.page-hero h1 { max-width: 930px; font-size: clamp(2.7rem, 6vw, 5rem); }
.page-hero .lead { margin-bottom: 0; }

.feature-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}
.feature {
  padding: 25px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 18px;
}
.feature h3 { margin-bottom: 7px; font-size: 1.05rem; }
.feature p { margin: 0; color: var(--muted); font-size: 0.93rem; }

.values {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.value-card { padding: 32px; }
.value-card h3 { color: var(--blue-dark); }
.value-card p { margin: 0; color: var(--muted); }

.contact-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 60px;
  align-items: start;
}
.contact-options { display: grid; gap: 16px; margin-top: 28px; }
.contact-option {
  padding: 20px 22px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 16px;
}
.contact-option small { display: block; color: var(--muted); }
.contact-option strong { color: var(--blue-dark); }

.contact-form {
  padding: 34px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 28px;
  box-shadow: var(--shadow);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { margin-bottom: 17px; }
.field label { display: block; margin-bottom: 7px; color: #344960; font-size: 0.88rem; font-weight: 700; }
.field input, .field textarea, .field select {
  width: 100%;
  padding: 13px 14px;
  color: var(--ink);
  background: #fbfdff;
  border: 1px solid #cbd8e4;
  border-radius: 10px;
  outline: none;
}
.field input:focus, .field textarea:focus, .field select:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(61, 121, 189, 0.13);
}
.field textarea { min-height: 120px; resize: vertical; }
.form-note { margin: 14px 0 0; color: var(--muted); font-size: 0.82rem; }

.site-footer {
  padding: 62px 0 24px;
  color: #d6e4ef;
  background: #0e2237;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.7fr 0.7fr 1fr;
  gap: 45px;
  padding-bottom: 45px;
}
.footer-brand img { width: 160px; margin-bottom: 20px; }
.footer-brand p { max-width: 340px; color: #9fb4c6; }
.footer-title { margin-bottom: 16px; color: var(--white); font-size: 0.83rem; letter-spacing: 0.08em; text-transform: uppercase; }
.footer-links { display: grid; gap: 10px; color: #acc0d0; font-size: 0.9rem; }
.footer-links a:hover { color: var(--white); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding-top: 24px;
  color: #8299ac;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.8rem;
}

.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 650ms ease, transform 650ms ease;
}
.reveal.visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}

@media (max-width: 980px) {
  .menu-button { display: block; }
  .nav-actions .button { display: none; }
  .nav-links {
    position: fixed;
    inset: 80px 0 auto;
    display: none;
    padding: 24px 20px 34px;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    background: var(--white);
    border-bottom: 1px solid var(--line);
    box-shadow: 0 20px 40px rgba(20, 40, 60, 0.12);
  }
  .nav-links.open { display: flex; }
  .nav-links a { width: 100%; padding: 13px 0; }
  .nav-links a::after { bottom: 8px; }
  .hero-grid, .split, .split.reverse, .proof-band, .contact-grid { grid-template-columns: 1fr; }
  .hero-grid { gap: 54px; }
  .system-visual { min-height: 450px; }
  .pillars { grid-template-columns: repeat(2, 1fr); }
  .solutions-grid, .values { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1.2fr 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 680px) {
  .container { width: min(calc(100% - 28px), var(--max)); }
  .nav { min-height: 70px; }
  .nav-links { inset-block-start: 70px; }
  .brand img { width: 136px; }
  .hero { padding: 66px 0 64px; }
  .hero-grid { grid-template-columns: 1fr; }
  h1 { font-size: clamp(2.55rem, 13vw, 4rem); }
  .system-visual { min-height: 420px; padding: 22px; border-radius: 25px; }
  .visual-core { width: 155px; height: 155px; margin-top: 46px; }
  .visual-nodes { grid-template-columns: repeat(2, 1fr); }
  .section { padding: 72px 0; }
  .pillars, .solutions-grid, .values, .feature-list, .form-row { grid-template-columns: 1fr; }
  .proof-band { padding: 34px 24px; }
  .cta-row { align-items: flex-start; flex-direction: column; }
  .page-hero { padding: 65px 0 56px; }
  .contact-form { padding: 24px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .footer-brand { grid-column: 1 / -1; }
  .footer-bottom { flex-direction: column; }
}