:root {
  --navy-950: #020914;
  --navy-900: #061529;
  --navy-800: #0b2440;
  --blue-500: #2f9ee5;
  --blue-300: #76c7f4;
  --gold-400: #e6b45f;
  --gold-300: #f4cf8b;
  --ink: #172033;
  --muted: #5d6878;
  --line: #dfe5ec;
  --surface: #f5f8fb;
  --white: #ffffff;
  --shadow: 0 18px 50px rgba(2, 15, 30, .12);
  --radius: 18px;
  --max: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--white);
  line-height: 1.65;
}
img { max-width: 100%; display: block; }
a { color: inherit; }
h1,h2,h3 { line-height: 1.12; margin-top: 0; letter-spacing: -.025em; }
h1 { font-size: clamp(2.55rem, 6vw, 5.3rem); }
h2 { font-size: clamp(2rem, 4vw, 3.3rem); }
h3 { font-size: 1.35rem; }
p { margin: 0 0 1.15rem; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }

.content { width: min(calc(100% - 40px), var(--max)); margin-inline: auto; }
.content.narrow { width: min(calc(100% - 40px), 860px); }
.section { padding: 88px 0; }
.section-dark { background: linear-gradient(135deg, var(--navy-950), var(--navy-800)); color: var(--white); }
.section-dark p { color: #d4dfeb; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(3, 13, 28, .94);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.header-inner {
  width: min(calc(100% - 32px), 1240px);
  min-height: 78px;
  margin: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}
.brand { width: 255px; max-width: 52vw; }
.brand img { width: 100%; }
.main-nav { display: flex; align-items: center; gap: 28px; }
.main-nav a {
  color: #edf5fc;
  text-decoration: none;
  font-weight: 650;
  font-size: .95rem;
}
.main-nav a:hover, .main-nav a.active { color: var(--gold-300); }
.nav-toggle { display: none; background: transparent; border: 0; padding: 8px; }
.nav-toggle span:not(.sr-only) { display: block; width: 25px; height: 2px; background: white; margin: 5px 0; }

.hero {
  min-height: 74vh;
  display: grid;
  align-items: center;
  color: var(--white);
}
.hero-home {
  background:
    radial-gradient(circle at 72% 18%, rgba(47,158,229,.22), transparent 30%),
    radial-gradient(circle at 22% 38%, rgba(230,180,95,.12), transparent 26%),
    linear-gradient(135deg, rgba(0,5,13,.84), rgba(5,25,47,.92)),
    url("assets/nas-logo.webp") center 36% / min(88vw, 1500px) auto no-repeat;
  position: relative;
}
.hero-home::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(2,9,20,.98) 0%, rgba(2,9,20,.78) 42%, rgba(2,9,20,.3) 72%, rgba(2,9,20,.68) 100%);
}
.hero-content {
  position: relative;
  z-index: 1;
  width: min(calc(100% - 40px), var(--max));
  margin: auto;
  padding: 110px 0;
  max-width: 930px;
  margin-left: max(20px, calc((100vw - var(--max))/2));
}
.hero h1 { max-width: 880px; margin-bottom: 24px; }
.hero-lead { font-size: clamp(1.08rem, 2vw, 1.35rem); max-width: 850px; color: #dce7f1; }
.eyebrow {
  text-transform: uppercase;
  letter-spacing: .18em;
  font-weight: 800;
  font-size: .78rem;
  color: var(--blue-500);
  margin-bottom: 14px;
}
.hero .eyebrow, .section-dark .eyebrow, .dark-product .eyebrow { color: var(--gold-300); }

.button-row { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 30px; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 12px 20px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 800;
  border: 1px solid transparent;
  cursor: pointer;
}
.button.primary { background: linear-gradient(135deg, var(--blue-500), #187bc1); color: white; box-shadow: 0 10px 24px rgba(47,158,229,.22); }
.button.primary:hover { filter: brightness(1.07); }
.button.secondary { color: white; border-color: rgba(255,255,255,.35); background: rgba(255,255,255,.06); }
.button.secondary:hover { background: rgba(255,255,255,.12); }
.button.secondary.dark-text { color: var(--navy-900); border-color: var(--line); background: white; }

.section-heading { max-width: 820px; margin-bottom: 38px; }
.product-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 28px; }
.product-card {
  background: white;
  color: var(--ink);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid rgba(255,255,255,.08);
}
.product-logo-wrap { min-height: 330px; display: grid; place-items: center; padding: 28px; }
.product-logo-wrap.dark { background: radial-gradient(circle, #12324e, #020914 72%); }
.product-logo-wrap.light { background: #f5f8fb; }
.product-logo-wrap img { max-height: 280px; width: auto; object-fit: contain; }
.product-card-body { padding: 30px; }
.status-badge {
  display: inline-flex;
  margin-bottom: 12px;
  padding: 6px 10px;
  border-radius: 999px;
  background: #e7f3fb;
  color: #126aa3;
  font-weight: 800;
  font-size: .78rem;
  letter-spacing: .02em;
}
.fine-print { color: var(--muted); font-size: .9rem; }
.text-link { color: #126aa3; font-weight: 800; text-decoration: none; }
.text-link:hover { text-decoration: underline; }

.focus-grid { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 20px; }
.focus-grid article {
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255,255,255,.03);
}
.section-dark .focus-grid article { border-color: rgba(255,255,255,.12); }
.focus-grid h3 { margin-bottom: 10px; }

.callout-section { background: var(--surface); }
.callout { display: grid; grid-template-columns: 1fr auto; gap: 28px; align-items: center; }

.page-hero {
  background:
    radial-gradient(circle at 80% 20%, rgba(47,158,229,.2), transparent 30%),
    linear-gradient(135deg, var(--navy-950), var(--navy-800));
  color: white;
  padding: 105px 0 80px;
}
.page-hero.compact { padding: 78px 0 56px; }
.page-hero p { color: #dce7f1; }

.product-feature {
  display: grid;
  grid-template-columns: minmax(300px,.9fr) 1.1fr;
  gap: 42px;
  align-items: center;
  padding: 45px 0;
  border-bottom: 1px solid var(--line);
}
.product-feature:last-child { border-bottom: 0; }
.product-feature-logo {
  border-radius: var(--radius);
  min-height: 390px;
  display: grid;
  place-items: center;
  padding: 24px;
  overflow: hidden;
}
.product-feature-logo.dark { background: radial-gradient(circle, #12324e, #020914 72%); }
.product-feature-logo.light { background: var(--surface); }
.product-feature-logo img { max-height: 340px; object-fit: contain; }

.product-hero { padding: 75px 0; }
.dark-product { background: radial-gradient(circle at 26% 45%, #13354e, #020914 70%); color: white; }
.light-product { background: linear-gradient(135deg, #eff7fd, #ffffff); }
.product-hero-grid { display: grid; grid-template-columns: .9fr 1.1fr; align-items: center; gap: 48px; }
.product-hero-logo { display: grid; place-items: center; min-height: 420px; }
.product-hero-logo img { max-height: 410px; object-fit: contain; }
.product-hero-logo.light { background: white; border-radius: var(--radius); box-shadow: var(--shadow); padding: 18px; }
.dark-product .hero-lead { color: #dce7f1; }
.light-product .hero-lead { color: var(--muted); }

.notice {
  margin: 40px 0;
  padding: 28px;
  border-left: 5px solid var(--blue-500);
  background: var(--surface);
  border-radius: 0 var(--radius) var(--radius) 0;
}
.notice h3 { margin-bottom: 10px; }

.two-column { display: grid; grid-template-columns: 1.3fr .7fr; gap: 48px; align-items: start; }
.values-card {
  border-radius: var(--radius);
  padding: 32px;
  background: var(--surface);
  border: 1px solid var(--line);
}

.contact-layout { display: grid; grid-template-columns: 1.2fr .8fr; gap: 48px; align-items: start; }
.contact-form {
  padding: 34px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.form-row { display: grid; gap: 8px; margin-bottom: 20px; }
label { font-weight: 750; }
input, select, textarea {
  width: 100%;
  font: inherit;
  padding: 12px 14px;
  border: 1px solid #cbd5df;
  border-radius: 10px;
  background: white;
}
input:focus, select:focus, textarea:focus { outline: 3px solid rgba(47,158,229,.18); border-color: var(--blue-500); }
.form-status { margin-top: 14px; font-weight: 700; }
.contact-aside {
  background: linear-gradient(145deg, var(--navy-900), var(--navy-800));
  color: white;
  padding: 34px;
  border-radius: var(--radius);
}
.contact-aside p { color: #dce7f1; }

.legal-copy h2 { margin-top: 36px; font-size: 1.65rem; }

.site-footer {
  background: #020914;
  color: #c9d5e1;
  padding: 58px 0 24px;
}
.footer-grid, .footer-bottom {
  width: min(calc(100% - 40px), var(--max));
  margin-inline: auto;
}
.footer-grid { display: grid; grid-template-columns: 1fr auto; gap: 35px; }
.footer-brand { color: white; font-weight: 850; font-size: 1.25rem; margin-bottom: 8px; }
.footer-links { display: grid; grid-template-columns: repeat(2, auto); gap: 10px 24px; align-content: start; }
.footer-links a { color: #dce7f1; text-decoration: none; }
.footer-links a:hover { color: var(--gold-300); }
.footer-bottom {
  margin-top: 35px;
  padding-top: 22px;
  border-top: 1px solid rgba(255,255,255,.1);
  font-size: .88rem;
}
.legal-name { color: #8999a9; }


.platform-line {
  margin-top: 22px;
  font-weight: 800;
  letter-spacing: .02em;
  color: var(--gold-300);
}
.platform-line.dark { color: #126aa3; }

.section-soft {
  background:
    radial-gradient(circle at 90% 10%, rgba(47,158,229,.08), transparent 28%),
    var(--surface);
}

.benefit-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0,1fr));
  gap: 20px;
  margin: 38px 0 10px;
}
.benefit-grid article {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px;
  background: white;
  box-shadow: 0 8px 30px rgba(2, 15, 30, .05);
}
.benefit-grid h3 { margin-bottom: 10px; }

.why-box {
  margin: 34px 0;
  padding: 28px;
  border-radius: var(--radius);
  background: white;
  border: 1px solid var(--line);
  box-shadow: 0 8px 30px rgba(2, 15, 30, .05);
}
.why-box h3 { margin-bottom: 10px; }

.source-note {
  color: var(--muted);
  font-size: .9rem;
  margin-top: 28px;
}

@media (max-width: 900px) {
  .product-grid, .focus-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .product-feature, .product-hero-grid, .two-column, .contact-layout { grid-template-columns: 1fr; }
  .product-feature-logo, .product-hero-logo { min-height: 300px; }
  .callout { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .section { padding: 64px 0; }
  .benefit-grid { grid-template-columns: 1fr; }
  .nav-toggle { display: block; }
  .main-nav {
    position: absolute;
    top: 78px;
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: #061529;
    border-top: 1px solid rgba(255,255,255,.08);
  }
  .main-nav.open { display: flex; }
  .main-nav a { padding: 15px 20px; border-bottom: 1px solid rgba(255,255,255,.08); }
  .hero-home { min-height: 72vh; background-size: 150vw auto; background-position: 70% 30%; }
  .hero-content { padding: 85px 0; margin-inline: auto; }
  .product-grid, .focus-grid { grid-template-columns: 1fr; }
  .product-logo-wrap { min-height: 260px; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-links { grid-template-columns: 1fr 1fr; }
  .brand { width: 210px; }
  .contact-form { padding: 22px; }
}