:root {
  --ink: #f5f8fa;
  --muted: #94a6ae;
  --line: rgba(141, 199, 214, 0.16);
  --panel: rgba(8, 23, 29, 0.74);
  --panel-strong: #08171d;
  --canvas: #020a0e;
  --cyan: #27d8f2;
  --cyan-soft: rgba(39, 216, 242, 0.12);
  --lime: #a5f33b;
  --amber: #ffc45c;
  --max: 1180px;
  --radius: 18px;
  --shadow: 0 24px 90px rgba(0, 0, 0, 0.36);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-width: 320px;
  color: var(--ink);
  background:
    radial-gradient(circle at 78% 8%, rgba(18, 117, 140, 0.13), transparent 30rem),
    linear-gradient(180deg, #041016 0%, var(--canvas) 55%, #041016 100%);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: 0.28;
  background-image:
    linear-gradient(rgba(71, 188, 213, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(71, 188, 213, 0.055) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(to bottom, black, transparent 75%);
}

a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; }
img, svg { display: block; max-width: 100%; }

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 100;
  padding: 10px 14px;
  color: #001014;
  background: var(--cyan);
  border-radius: 8px;
  transform: translateY(-160%);
}
.skip-link:focus { transform: translateY(0); }

.shell { width: min(calc(100% - 40px), var(--max)); margin-inline: auto; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid var(--line);
  background: rgba(2, 10, 14, 0.82);
  backdrop-filter: blur(18px);
}
.nav-wrap { min-height: 76px; display: flex; align-items: center; gap: 28px; }
.brand { display: inline-flex; align-items: center; gap: 12px; margin-right: auto; }
.brand-logo { display: block; width: 158px; height: auto; }
.brand-mark {
  width: 5px;
  height: 34px;
  background: var(--cyan);
  box-shadow: 0 0 20px rgba(39, 216, 242, 0.45);
}
.brand-copy { display: grid; line-height: 1.05; }
.brand-copy strong { font-size: 1.28rem; letter-spacing: 0.04em; }
.brand-copy small { margin-top: 5px; color: var(--muted); font-size: 0.67rem; }
.nav-links { display: flex; align-items: center; gap: 26px; }
.nav-links a { color: #c4d0d5; font-size: 0.9rem; }
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--cyan); }
.nav-toggle { display: none; }
.nav-dropdown { position: relative; display: flex; align-items: center; }
.nav-dropdown > a { padding-block: 28px; }
.nav-dropdown-toggle {
  display: grid;
  width: 24px;
  height: 32px;
  place-items: center;
  padding: 0;
  border: 0;
  color: #8fa3aa;
  background: transparent;
  cursor: pointer;
}
.nav-dropdown-toggle span { transition: transform 160ms ease; }
.nav-dropdown-menu {
  position: absolute;
  top: calc(100% - 1px);
  left: -22px;
  z-index: 20;
  display: grid;
  width: 330px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(4, 16, 22, 0.98);
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.45);
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity 160ms ease, transform 160ms ease, visibility 160ms ease;
}
.nav-dropdown-menu a { display: grid; gap: 4px; padding: 13px 14px; border-radius: 8px; }
.nav-dropdown-menu a:hover, .nav-dropdown-menu a:focus-visible { background: var(--cyan-soft); }
.nav-dropdown-menu strong { color: var(--ink); font-size: 0.86rem; }
.nav-dropdown-menu span { color: var(--muted); font-size: 0.74rem; }
.nav-dropdown:hover .nav-dropdown-menu,
.nav-dropdown:focus-within .nav-dropdown-menu,
.nav-dropdown.open .nav-dropdown-menu { opacity: 1; visibility: visible; transform: none; }
.nav-dropdown.open .nav-dropdown-toggle span { transform: rotate(180deg); }

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 0 20px;
  border: 1px solid var(--cyan);
  border-radius: 8px;
  color: #001014;
  background: var(--cyan);
  font-weight: 750;
  cursor: pointer;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}
.button:hover { transform: translateY(-2px); box-shadow: 0 12px 34px rgba(39, 216, 242, 0.18); }
.button.secondary { color: var(--ink); background: transparent; border-color: rgba(220, 242, 247, 0.44); }
.button.small { min-height: 42px; padding-inline: 16px; font-size: 0.86rem; }
.button[aria-disabled="true"] { cursor: not-allowed; opacity: 0.52; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--cyan);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}
.eyebrow::before { content: ""; width: 34px; height: 2px; background: var(--cyan); }
h1, h2, h3 { margin: 0; line-height: 1.08; letter-spacing: -0.035em; }
h1 { margin-top: 24px; font-size: clamp(3rem, 6.2vw, 5.8rem); max-width: 860px; }
h2 { font-size: clamp(2rem, 4vw, 3.6rem); }
h3 { font-size: 1.18rem; }
.lead { max-width: 710px; margin: 25px 0 0; color: #b5c3c9; font-size: clamp(1rem, 1.7vw, 1.23rem); }
.hero { min-height: 720px; display: grid; align-items: center; padding: 96px 0 80px; border-bottom: 1px solid var(--line); overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.02fr) minmax(420px, 0.98fr); gap: 48px; align-items: center; }
.hero h1 { font-size: clamp(3.25rem, 5.8vw, 5.5rem); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 38px; }
.trust-line { display: flex; flex-wrap: wrap; gap: 20px; margin-top: 38px; color: var(--muted); font-size: 0.82rem; }
.trust-line span { display: inline-flex; align-items: center; gap: 8px; }
.trust-line span::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--lime); }

.system-map { position: relative; min-height: 520px; isolation: isolate; }
.system-map::before {
  content: "";
  position: absolute;
  inset: 4% 0 0;
  z-index: -2;
  background: radial-gradient(circle, rgba(39, 216, 242, 0.14), transparent 63%);
  filter: blur(3px);
}
.system-map svg { width: 100%; height: 100%; min-height: 500px; filter: drop-shadow(0 35px 45px rgba(0,0,0,.5)); }

.section { padding: 112px 0; border-bottom: 1px solid var(--line); }
.section.compact { padding-block: 76px; }
.section-head { display: flex; align-items: end; justify-content: space-between; gap: 32px; margin-bottom: 45px; }
.section-head p { max-width: 510px; margin: 0; color: var(--muted); }
.kicker { margin: 0 0 18px; color: var(--cyan); font-size: 0.76rem; font-weight: 800; letter-spacing: 0.17em; text-transform: uppercase; }

.card-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.card {
  position: relative;
  min-height: 230px;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(145deg, rgba(11, 31, 38, 0.88), rgba(4, 16, 21, 0.78));
  box-shadow: inset 0 1px rgba(255,255,255,0.025);
  transition: transform 180ms ease, border-color 180ms ease;
}
.card:hover { transform: translateY(-5px); border-color: rgba(39, 216, 242, 0.42); }
.card-icon {
  display: grid;
  width: 46px;
  height: 46px;
  place-items: center;
  margin-bottom: 46px;
  border: 1px solid rgba(39, 216, 242, 0.25);
  border-radius: 10px;
  color: var(--cyan);
  background: var(--cyan-soft);
  font-weight: 850;
}
.card p { margin: 12px 0 0; color: var(--muted); font-size: 0.91rem; }
.card .arrow { position: absolute; top: 28px; right: 28px; color: var(--cyan); }
.card.span-2 { grid-column: span 2; }

.outcome-grid { display: grid; grid-template-columns: 0.75fr 1.25fr; gap: 72px; align-items: start; }
.outcome-list { display: grid; gap: 0; border-top: 1px solid var(--line); }
.outcome-row { display: grid; grid-template-columns: 44px 1fr; gap: 20px; padding: 26px 0; border-bottom: 1px solid var(--line); }
.outcome-row b { color: var(--cyan); font-variant-numeric: tabular-nums; }
.outcome-row p { margin: 8px 0 0; color: var(--muted); }

.method { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius); background: var(--line); }
.method article { min-height: 230px; padding: 28px; background: #06141a; }
.method strong { display: block; margin-bottom: 70px; color: var(--cyan); font-size: 0.75rem; letter-spacing: 0.12em; }
.method p { color: var(--muted); font-size: 0.9rem; }

.cta-band {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 36px;
  align-items: center;
  padding: 54px;
  border: 1px solid rgba(39, 216, 242, 0.26);
  border-radius: 24px;
  background: linear-gradient(125deg, rgba(13, 48, 59, 0.75), rgba(5, 17, 22, 0.9));
  box-shadow: var(--shadow);
}
.cta-band p { max-width: 650px; margin: 16px 0 0; color: var(--muted); }

.page-hero { padding: 120px 0 82px; border-bottom: 1px solid var(--line); }
.page-hero h1 { max-width: 1000px; }
.page-hero .lead { max-width: 760px; }
.tag-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 34px; }
.tag { padding: 8px 12px; border: 1px solid var(--line); border-radius: 999px; color: #b9cbd2; background: rgba(8,27,34,.64); font-size: 0.78rem; }
.tag.progress { color: var(--amber); }

.detail-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.detail {
  padding: 34px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(7, 23, 29, 0.7);
}
.detail .number { display: block; margin-bottom: 55px; color: var(--cyan); font-size: 0.75rem; font-weight: 800; letter-spacing: 0.16em; }
.detail p { color: var(--muted); }
.detail ul { margin: 22px 0 0; padding: 0; list-style: none; }
.detail li { position: relative; padding: 8px 0 8px 20px; color: #bac7cc; }
.detail li::before { content: "+"; position: absolute; left: 0; color: var(--cyan); }

.solution-grid { display: grid; gap: 24px; }
.solution-story {
  scroll-margin-top: 110px;
  padding: 38px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(145deg, rgba(11, 31, 38, 0.88), rgba(4, 16, 21, 0.78));
}
.solution-story .number { display: block; margin-bottom: 24px; color: var(--cyan); font-size: 0.75rem; font-weight: 800; letter-spacing: 0.16em; }
.solution-story > h2 { max-width: 760px; }
.solution-story-grid { display: grid; grid-template-columns: .9fr 1.35fr .9fr; gap: 32px; margin-top: 34px; padding-top: 30px; border-top: 1px solid var(--line); }
.solution-story-grid h3 { color: #d6e3e7; font-size: 0.8rem; letter-spacing: 0.08em; text-transform: uppercase; }
.solution-story-grid p { margin: 12px 0 0; color: var(--muted); font-size: 0.91rem; }
.text-link { display: inline-flex; margin-top: 30px; color: var(--cyan); font-weight: 750; }
.text-link:hover { color: var(--ink); }

.product-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.product-card {
  scroll-margin-top: 110px;
  display: flex;
  min-width: 0;
  flex-direction: column;
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(145deg, rgba(11, 31, 38, 0.88), rgba(4, 16, 21, 0.78));
}
.product-card-head { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 44px; }
.product-card .number { color: var(--cyan); font-size: 0.72rem; font-weight: 800; letter-spacing: 0.14em; }
.product-card h2 { font-size: clamp(1.8rem, 3vw, 2.7rem); }
.product-summary { min-height: 112px; color: var(--muted); }
.product-card h3 { margin-top: 24px; color: #d6e3e7; font-size: 0.76rem; letter-spacing: 0.1em; text-transform: uppercase; }
.product-card ul { display: grid; gap: 10px; margin: 18px 0 0; padding: 0; list-style: none; }
.product-card li { position: relative; padding-left: 18px; color: #bac7cc; font-size: 0.88rem; }
.product-card li::before { content: "+"; position: absolute; left: 0; color: var(--cyan); }
.product-card .text-link { margin-top: auto; padding-top: 32px; }

.notice { padding: 18px 20px; border-left: 3px solid var(--amber); color: #d5c096; background: rgba(255, 196, 92, 0.06); }
.empty-state { padding: 60px; border: 1px dashed rgba(141,199,214,.3); border-radius: var(--radius); text-align: center; }
.empty-state p { max-width: 600px; margin: 16px auto 0; color: var(--muted); }

.form-grid { display: grid; grid-template-columns: .78fr 1.22fr; gap: 60px; }
.form-grid aside p { color: var(--muted); }
.form { display: grid; gap: 18px; }
.field { display: grid; gap: 8px; }
.field label { color: #c9d6da; font-size: 0.82rem; font-weight: 700; }
.field input, .field textarea, .field select {
  width: 100%;
  padding: 14px 15px;
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 8px;
  outline: none;
  background: #07171d;
}
.field input:focus, .field textarea:focus, .field select:focus { border-color: var(--cyan); box-shadow: 0 0 0 3px var(--cyan-soft); }
.field textarea { min-height: 150px; resize: vertical; }
.form-status { min-height: 24px; margin: 0; color: var(--amber); font-size: 0.86rem; }
.form-embed {
  min-width: 0;
  overflow: hidden;
  border: 1px solid rgba(39, 216, 242, 0.2);
  border-radius: var(--radius);
  background: #f4f7f8;
  box-shadow: var(--shadow);
}
.form-embed iframe {
  display: block;
  width: 100%;
  min-height: 900px;
  border: 0;
  background: #f4f7f8;
}

.article-list { border-top: 1px solid var(--line); }
.article-row { display: grid; grid-template-columns: 170px 1fr auto; gap: 30px; padding: 28px 0; align-items: center; border-bottom: 1px solid var(--line); }
.article-row time { color: var(--muted); font-size: 0.8rem; }
.article-row p { margin: 8px 0 0; color: var(--muted); }

.site-footer { padding: 66px 0 30px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr repeat(3, 1fr); gap: 48px; }
.footer-grid h3 { margin-bottom: 18px; font-size: 0.75rem; color: var(--muted); letter-spacing: .14em; text-transform: uppercase; }
.footer-grid a { display: block; width: fit-content; margin: 10px 0; color: #c2d0d5; font-size: .88rem; }
.footer-grid a:hover { color: var(--cyan); }
.footer-note { max-width: 390px; margin-top: 18px; color: var(--muted); font-size: .88rem; }
.legal { display: flex; justify-content: space-between; gap: 20px; margin-top: 52px; padding-top: 26px; border-top: 1px solid var(--line); color: #71878f; font-size: .76rem; }

[data-reveal] { opacity: 0; transform: translateY(22px); transition: opacity 650ms ease, transform 650ms ease; }
[data-reveal].visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation: none !important; transition-duration: 0.01ms !important; }
  [data-reveal] { opacity: 1; transform: none; }
}

@media (max-width: 980px) {
  .nav-toggle { display: grid; width: 42px; height: 42px; place-items: center; border: 1px solid var(--line); color: var(--ink); background: transparent; border-radius: 8px; }
  .nav-links { position: absolute; top: 76px; left: 0; right: 0; display: none; padding: 24px; border-bottom: 1px solid var(--line); background: #041016; }
  .nav-links.open { display: grid; }
  .nav-dropdown { display: grid; grid-template-columns: 1fr auto; }
  .nav-dropdown > a { padding-block: 0; }
  .nav-dropdown-toggle { width: 42px; height: 38px; }
  .nav-dropdown-menu { position: static; grid-column: 1 / -1; width: 100%; max-height: 0; padding: 0 0 0 10px; border: 0; box-shadow: none; opacity: 1; visibility: visible; overflow: hidden; transform: none; transition: max-height 180ms ease, padding 180ms ease; }
  .nav-dropdown:hover .nav-dropdown-menu, .nav-dropdown:focus-within .nav-dropdown-menu { max-height: 0; padding-block: 0; }
  .nav-dropdown.open .nav-dropdown-menu,
  .nav-dropdown.open:hover .nav-dropdown-menu,
  .nav-dropdown.open:focus-within .nav-dropdown-menu { max-height: 320px; padding-block: 10px; }
  .nav-wrap > .button { display: none; }
  .hero-grid, .outcome-grid, .form-grid { grid-template-columns: 1fr; }
  .solution-story-grid { grid-template-columns: 1fr; gap: 22px; }
  .hero { padding-top: 72px; }
  .system-map { min-height: 420px; }
  .system-map svg { min-height: 400px; }
  .card-grid { grid-template-columns: repeat(2, 1fr); }
  .product-grid { grid-template-columns: 1fr; }
  .method { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 680px) {
  .shell { width: min(calc(100% - 28px), var(--max)); }
  .brand-copy small { display: none; }
  .brand-logo { width: 132px; }
  .hero, .section { padding-block: 76px; }
  .hero h1 { font-size: clamp(2.75rem, 14vw, 4.3rem); }
  h1 { font-size: clamp(2.7rem, 13vw, 4rem); }
  .hero-grid { gap: 20px; }
  .system-map { min-height: 340px; margin-inline: -20px; }
  .system-map svg { min-height: 330px; }
  .section-head { display: block; }
  .section-head p { margin-top: 18px; }
  .card-grid, .detail-grid, .method, .footer-grid { grid-template-columns: 1fr; }
  .card.span-2 { grid-column: auto; }
  .cta-band { grid-template-columns: 1fr; padding: 34px 26px; }
  .article-row { grid-template-columns: 1fr; gap: 10px; }
  .legal { display: grid; }
  .empty-state { padding: 38px 22px; }
  .solution-story { padding: 28px 24px; }
  .form-embed iframe { min-height: 980px; }
}