:root {
  color-scheme: dark;
  --ink: #f7f9ff;
  --muted-ink: #adb7cf;
  --navy-950: #050a24;
  --navy-900: #081138;
  --navy-800: #0d1b4c;
  --line: rgba(178, 197, 255, 0.17);
  --teal: #13e4c4;
  --teal-dark: #041f27;
  --blue: #4b6dff;
  --surface: rgba(15, 28, 72, 0.72);
  --shadow: 0 26px 80px rgba(0, 0, 0, 0.34);
  --radius: 22px;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(circle at 78% 3%, rgba(60, 52, 255, 0.28), transparent 34rem),
    var(--navy-950);
  color: var(--ink);
  line-height: 1.65;
}

a { color: var(--teal); text-underline-offset: 0.2em; }
a:hover { color: #7effec; }

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

.shell { width: min(1120px, calc(100% - 40px)); margin-inline: auto; }

.skip-link {
  position: fixed;
  left: 16px;
  top: -80px;
  z-index: 100;
  padding: 10px 16px;
  border-radius: 10px;
  background: var(--teal);
  color: #001a20;
  font-weight: 700;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid var(--line);
  background: rgba(5, 10, 36, 0.84);
  backdrop-filter: blur(18px);
}

.nav-row,
.footer-row {
  min-height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--ink);
  text-decoration: none;
  font-size: 1.08rem;
  font-weight: 760;
  letter-spacing: -0.02em;
}

.brand img { border-radius: 11px; }

nav { display: flex; align-items: center; gap: 24px; }
nav a { color: var(--muted-ink); text-decoration: none; font-weight: 600; }
nav a:hover { color: var(--ink); }

.hero {
  min-height: 650px;
  padding-block: 72px;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  align-items: center;
  gap: 70px;
}

.hero-copy { max-width: 650px; }

.eyebrow {
  margin: 0 0 10px;
  color: var(--teal);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

h1, h2, h3 { margin-top: 0; line-height: 1.12; letter-spacing: -0.035em; }
h1 { margin-bottom: 22px; font-size: clamp(3.2rem, 8vw, 6.8rem); }
h2 { margin-bottom: 16px; font-size: clamp(2rem, 4vw, 3.3rem); }
h3 { margin-bottom: 10px; font-size: 1.28rem; }

.lede {
  max-width: 680px;
  margin: 0;
  color: #c5cee2;
  font-size: clamp(1.1rem, 2vw, 1.34rem);
}

.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  padding: 12px 20px;
  border: 1px solid transparent;
  border-radius: 13px;
  text-decoration: none;
  font-weight: 750;
  transition: transform 150ms ease, background 150ms ease, border-color 150ms ease;
}

.button:hover { transform: translateY(-2px); }
.button.primary { background: var(--teal); color: #001c23; }
.button.primary:hover { background: #70ffeb; color: #001c23; }
.button.secondary { border-color: var(--line); background: rgba(255,255,255,0.06); color: var(--ink); }
.button.secondary:hover { border-color: rgba(255,255,255,0.34); color: var(--ink); }

.compatibility { margin: 20px 0 0; color: var(--muted-ink); font-size: 0.93rem; }

.hero-art { display: grid; place-items: center; }

.icon-frame {
  position: relative;
  width: min(100%, 440px);
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 34px;
  background: linear-gradient(145deg, rgba(78, 92, 255, 0.14), rgba(19, 228, 196, 0.06));
  box-shadow: var(--shadow);
}

.icon-frame img { width: 100%; border-radius: 24%; }

.section { padding-block: 96px; }
.section.muted { border-block: 1px solid var(--line); background: rgba(12, 24, 62, 0.62); }
.section-heading { margin-bottom: 42px; }
.section-heading.narrow { max-width: 680px; }
.section-copy { max-width: 520px; color: var(--muted-ink); font-size: 1.08rem; }

.step-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.step-grid li {
  min-height: 260px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.step-grid p { margin: 0; color: var(--muted-ink); }

.step-number {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  margin-bottom: 38px;
  border-radius: 50%;
  background: var(--teal-dark);
  color: var(--teal);
  font-weight: 800;
}

.faq-list { border-top: 1px solid var(--line); }

details { border-bottom: 1px solid var(--line); }
summary {
  padding: 25px 52px 25px 0;
  cursor: pointer;
  font-size: 1.12rem;
  font-weight: 720;
}

details p { max-width: 850px; margin: -5px 0 28px; color: var(--muted-ink); }
code { padding: 0.12em 0.35em; border-radius: 5px; background: rgba(255,255,255,0.08); }

.split { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: 88px; align-items: start; }
.check-list { display: grid; gap: 15px; margin: 0; padding: 0; list-style: none; }
.check-list li { position: relative; padding-left: 34px; color: #c5cee2; }
.check-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0.05em;
  color: var(--teal);
  font-weight: 900;
}

.contact-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 42px;
  padding: clamp(28px, 5vw, 56px);
  border: 1px solid rgba(19, 228, 196, 0.3);
  border-radius: 28px;
  background: linear-gradient(120deg, rgba(19, 228, 196, 0.11), rgba(75, 109, 255, 0.16));
}

.contact-card h2 { font-size: clamp(1.8rem, 4vw, 2.8rem); }
.contact-card p:not(.eyebrow) { max-width: 640px; margin-bottom: 0; color: var(--muted-ink); }

footer { border-top: 1px solid var(--line); background: #03071b; }
.footer-row { min-height: 150px; }
.company img { width: 132px; height: 88px; object-fit: contain; border-radius: 9px; }
.footer-links { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 18px; color: var(--muted-ink); font-size: 0.91rem; }
.footer-links a { color: var(--muted-ink); }

.policy { max-width: 880px; padding-block: 88px 110px; }
.policy-header { padding-bottom: 48px; border-bottom: 1px solid var(--line); }
.policy-header h1 { max-width: 800px; font-size: clamp(2.8rem, 7vw, 5.5rem); }
.effective { color: var(--muted-ink); }
.policy-body { padding-top: 20px; }
.policy-body section { padding-block: 30px; border-bottom: 1px solid var(--line); }
.policy-body h2 { font-size: 1.55rem; }
.policy-body p { color: #c5cee2; }
.back-link { margin-top: 50px; font-weight: 700; }

@media (max-width: 820px) {
  .hero { min-height: auto; grid-template-columns: 1fr; padding-block: 62px 80px; gap: 48px; }
  .hero-art { order: -1; }
  .icon-frame { width: min(66vw, 300px); padding: 18px; }
  .step-grid, .split { grid-template-columns: 1fr; }
  .split { gap: 38px; }
  .contact-card { align-items: flex-start; flex-direction: column; }
}

@media (max-width: 560px) {
  .shell { width: min(100% - 28px, 1120px); }
  .nav-row { min-height: 66px; }
  nav { gap: 14px; font-size: 0.9rem; }
  nav a:nth-child(2) { display: none; }
  .brand span { display: none; }
  .hero { padding-top: 44px; }
  h1 { font-size: 3rem; }
  .section { padding-block: 72px; }
  .step-grid li { min-height: auto; }
  .contact-card .button { width: 100%; }
  .footer-row { padding-block: 28px; align-items: flex-start; flex-direction: column; }
  .footer-links { justify-content: flex-start; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .button { transition: none; }
}