:root {
  color-scheme: light;
  --navy-950: #041522;
  --navy-900: #071d2e;
  --navy-800: #0d2a42;
  --blue-600: #087ff5;
  --blue-500: #1597ff;
  --blue-100: #e5f2ff;
  --cyan-500: #21bfd2;
  --green-600: #087f69;
  --green-100: #e6f7f2;
  --gold-600: #b97900;
  --gold-100: #fff4d6;
  --violet-600: #6553ce;
  --violet-100: #f0edff;
  --ink: #10283d;
  --muted: #5a6d7e;
  --line: #d8e3ec;
  --paper: #f4f8fb;
  --white: #ffffff;
  --shadow: 0 18px 55px rgba(5, 31, 52, .11);
  --radius: 22px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, "Aptos", "Segoe UI", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.58;
  text-rendering: optimizeLegibility;
}
a { color: inherit; }
img { max-width: 100%; }
.shell { width: min(1160px, calc(100% - 40px)); margin: 0 auto; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(255,255,255,.11);
  background: rgba(4, 21, 34, .93);
  backdrop-filter: blur(14px);
}
.header-row {
  min-height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 26px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--white);
  text-decoration: none;
  font-size: 1.16rem;
  font-weight: 780;
  letter-spacing: -.02em;
}
.brand-mark {
  width: 38px;
  height: 38px;
  flex: 0 0 auto;
  display: block;
}
.nav-links { display: flex; align-items: center; gap: 5px; }
.nav-links a {
  padding: 9px 12px;
  border-radius: 10px;
  color: #d8e7f4;
  text-decoration: none;
  font-size: .93rem;
  font-weight: 650;
}
.nav-links a:hover, .nav-links a:focus-visible { color: #fff; background: rgba(255,255,255,.08); }
.nav-links .nav-cta { margin-left: 5px; color: #051827; background: #fff; }
.nav-links .nav-cta:hover, .nav-links .nav-cta:focus-visible { color: #051827; background: #dff3ff; }

.hero {
  position: relative;
  overflow: hidden;
  color: var(--white);
  background:
    radial-gradient(circle at 82% 12%, rgba(21,151,255,.28), transparent 30%),
    radial-gradient(circle at 12% 92%, rgba(33,191,210,.13), transparent 31%),
    linear-gradient(135deg, var(--navy-950), var(--navy-800));
}
.hero::after {
  content: "";
  position: absolute;
  width: 410px;
  height: 410px;
  right: -185px;
  bottom: -225px;
  border: 1px solid rgba(255,255,255,.10);
  border-radius: 50%;
  box-shadow: 0 0 0 60px rgba(255,255,255,.025), 0 0 0 120px rgba(255,255,255,.018);
}
.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(360px, .75fr);
  gap: 70px;
  align-items: center;
  padding: 86px 0 84px;
}
.eyebrow {
  margin: 0 0 16px;
  color: #7edcff;
  font-size: .82rem;
  font-weight: 800;
  letter-spacing: .13em;
  text-transform: uppercase;
}
h1, h2, h3, p { overflow-wrap: break-word; }
h1 {
  max-width: 820px;
  margin: 0;
  font-size: clamp(2.55rem, 5.7vw, 5.2rem);
  line-height: .98;
  letter-spacing: -.055em;
}
.hero-copy {
  max-width: 730px;
  margin: 25px 0 0;
  color: #cedbe6;
  font-size: clamp(1.05rem, 1.6vw, 1.24rem);
}
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 49px;
  padding: 0 19px;
  border: 1px solid transparent;
  border-radius: 12px;
  color: #061b2e;
  background: #fff;
  text-decoration: none;
  font-weight: 780;
  box-shadow: 0 8px 24px rgba(0,0,0,.13);
}
.button:hover, .button:focus-visible { transform: translateY(-1px); }
.button.secondary { color: #e5f4ff; border-color: rgba(255,255,255,.26); background: rgba(255,255,255,.05); box-shadow: none; }
.button.blue { color: #fff; background: var(--blue-600); }
.button.outline { color: var(--ink); border-color: var(--line); background: #fff; box-shadow: none; }

.hero-proof {
  padding: 26px;
  border: 1px solid rgba(255,255,255,.14);
  border-radius: 24px;
  background: rgba(255,255,255,.065);
  box-shadow: 0 26px 80px rgba(0,0,0,.21);
}
.hero-proof p { margin: 0 0 18px; color: #9fb3c4; font-size: .82rem; font-weight: 750; letter-spacing: .10em; text-transform: uppercase; }
.hero-proof strong { display: block; margin: 0 0 8px; font-size: 1.48rem; line-height: 1.18; }
.hero-proof ul { display: grid; gap: 12px; margin: 20px 0 0; padding: 0; list-style: none; }
.hero-proof li { display: grid; grid-template-columns: 28px 1fr; gap: 10px; align-items: start; color: #d8e5ee; }
.check {
  display: grid;
  place-items: center;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  color: #062337;
  background: #49d9bd;
  font-size: .8rem;
  font-weight: 900;
}

.trust-strip { border-bottom: 1px solid var(--line); background: #fff; }
.trust-row { display: grid; grid-template-columns: repeat(4, 1fr); }
.trust-item { padding: 19px 22px; border-right: 1px solid var(--line); }
.trust-item:first-child { padding-left: 0; }
.trust-item:last-child { border-right: 0; }
.trust-item strong { display: block; font-size: .95rem; }
.trust-item span { color: var(--muted); font-size: .85rem; }

.section { padding: 92px 0; }
.section.white { background: #fff; }
.section.dark { color: #fff; background: var(--navy-950); }
.section-head { max-width: 790px; margin-bottom: 42px; }
.section-kicker { margin: 0 0 10px; color: var(--blue-600); font-size: .8rem; font-weight: 850; letter-spacing: .13em; text-transform: uppercase; }
.dark .section-kicker { color: #75d9ff; }
h2 { margin: 0; font-size: clamp(2rem, 4vw, 3.55rem); line-height: 1.06; letter-spacing: -.045em; }
.section-lead { max-width: 720px; margin: 18px 0 0; color: var(--muted); font-size: 1.08rem; }
.dark .section-lead { color: #a9bdcc; }

.proof-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.proof-card {
  min-height: 182px;
  padding: 25px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  box-shadow: 0 10px 30px rgba(5,31,52,.05);
}
.proof-card.blue { border-color: #a9d2ff; background: var(--blue-100); }
.proof-card.gold { border-color: #edd18c; background: var(--gold-100); }
.proof-card.violet { border-color: #c9c1fb; background: var(--violet-100); }
.proof-card.green { border-color: #9adbc9; background: var(--green-100); }
.proof-top { display: flex; align-items: center; gap: 13px; }
.proof-icon {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  flex: 0 0 auto;
  border: 1px solid currentColor;
  border-radius: 14px;
  color: var(--blue-600);
  background: rgba(255,255,255,.54);
}
.gold .proof-icon { color: var(--gold-600); }
.violet .proof-icon { color: var(--violet-600); }
.green .proof-icon { color: var(--green-600); }
.proof-icon svg { width: 26px; height: 26px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.proof-card h3 { margin: 0; font-size: 1.07rem; letter-spacing: .01em; text-transform: uppercase; }
.proof-card p { margin: 18px 0 0; color: #30495e; }

.use-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.use-card {
  position: relative;
  min-height: 188px;
  padding: 27px 27px 25px 86px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  box-shadow: 0 12px 32px rgba(5,31,52,.055);
}
.use-number {
  position: absolute;
  top: 27px;
  left: 27px;
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  color: #fff;
  background: var(--blue-600);
  font-weight: 850;
}
.use-card:nth-child(2) .use-number { background: var(--green-600); }
.use-card:nth-child(3) .use-number { background: var(--violet-600); }
.use-card:nth-child(4) .use-number { color: #261a00; background: #f1b21c; }
.use-card h3 { margin: 2px 0 10px; font-size: 1.18rem; }
.use-card p { margin: 0; color: var(--muted); }

.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.step { padding: 26px; border: 1px solid rgba(255,255,255,.13); border-radius: var(--radius); background: rgba(255,255,255,.055); }
.step span { display: inline-flex; align-items: center; justify-content: center; width: 38px; height: 38px; margin-bottom: 19px; border-radius: 12px; color: #062235; background: #70dcf0; font-weight: 900; }
.step h3 { margin: 0 0 8px; font-size: 1.22rem; }
.step p { margin: 0; color: #b6c8d4; }

.evidence {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 35px;
  align-items: center;
  padding: 32px;
  border: 1px solid #b5d6f7;
  border-radius: 24px;
  background: linear-gradient(135deg,#eaf5ff,#fff);
}
.evidence h3 { margin: 0 0 8px; font-size: 1.45rem; }
.evidence p { margin: 0; color: var(--muted); }
.evidence .button { white-space: nowrap; }

.clarity-box {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, .45fr);
  gap: 46px;
  align-items: center;
  padding: 38px;
  border-radius: 26px;
  color: #fff;
  background: linear-gradient(135deg,var(--navy-900),#103f60);
  box-shadow: var(--shadow);
}
.clarity-box h2 { font-size: clamp(1.8rem, 3vw, 2.8rem); }
.clarity-box p { margin: 16px 0 0; color: #bfd0dc; }
.clarity-points { display: grid; gap: 10px; }
.clarity-points div { padding: 12px 14px; border: 1px solid rgba(255,255,255,.12); border-radius: 12px; background: rgba(255,255,255,.055); }

.closing { padding: 85px 0; text-align: center; background: #fff; }
.closing h2 { max-width: 820px; margin: 0 auto; }
.closing p { max-width: 700px; margin: 18px auto 0; color: var(--muted); }
.closing .actions { justify-content: center; }
.download-note { margin-top: 22px; color: var(--muted); font-size: .88rem; }
.download-note a { color: var(--blue-600); font-weight: 700; }

.site-footer { padding: 32px 0; color: #a8bdcc; background: var(--navy-950); }
.footer-row { display: flex; justify-content: space-between; gap: 30px; align-items: center; }
.footer-row p { margin: 0; font-size: .88rem; }
.footer-links { display: flex; flex-wrap: wrap; gap: 16px; }
.footer-links a { color: #dceaf3; text-decoration: none; font-size: .88rem; }

.selector {
  min-height: 100vh;
  color: #fff;
  background: radial-gradient(circle at 50% 0, #104a73 0, var(--navy-950) 55%);
}
.selector-main { padding: 96px 0; }
.selector-intro { max-width: 790px; margin-bottom: 38px; }
.selector-intro h1 { font-size: clamp(2.6rem, 6vw, 5rem); }
.selector-intro p { max-width: 660px; color: #b9cbd8; font-size: 1.1rem; }
.selector-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.selector-card { padding: 32px; border: 1px solid rgba(255,255,255,.15); border-radius: 24px; background: rgba(255,255,255,.07); text-decoration: none; transition: transform .2s ease, background .2s ease; }
.selector-card:hover { transform: translateY(-3px); background: rgba(255,255,255,.11); }
.selector-card small { color: #75d9ff; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.selector-card h2 { margin-top: 16px; font-size: 2rem; }
.selector-card p { color: #b9cbd8; }
.selector-card strong { display: inline-block; margin-top: 12px; color: #fff; }

:focus-visible { outline: 3px solid #66d8ff; outline-offset: 3px; }

@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; gap: 38px; padding: 68px 0; }
  .hero-proof { max-width: 650px; }
  .trust-row { grid-template-columns: repeat(2, 1fr); }
  .trust-item:nth-child(2) { border-right: 0; }
  .trust-item:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .steps { grid-template-columns: 1fr; }
  .clarity-box { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .shell { width: min(100% - 28px, 1160px); }
  .header-row { min-height: 66px; }
  .brand { font-size: 1rem; }
  .brand-mark { width: 31px; height: 34px; }
  .nav-links a:not(.nav-cta) { display: none; }
  .nav-links .nav-cta { margin: 0; padding: 8px 10px; font-size: .82rem; }
  .hero-grid { padding: 56px 0 60px; }
  h1 { font-size: clamp(2.45rem, 13vw, 4.2rem); }
  .hero-proof { padding: 21px; }
  .trust-row, .proof-grid, .use-grid, .selector-grid { grid-template-columns: 1fr; }
  .trust-item { padding: 15px 0; border-right: 0; border-bottom: 1px solid var(--line); }
  .trust-item:nth-child(2) { border-bottom: 1px solid var(--line); }
  .trust-item:last-child { border-bottom: 0; }
  .section { padding: 68px 0; }
  .section-head { margin-bottom: 30px; }
  .proof-card { min-height: 0; }
  .use-card { min-height: 0; padding: 24px 22px 24px 76px; }
  .use-number { top: 24px; left: 20px; }
  .evidence { grid-template-columns: 1fr; padding: 25px; }
  .evidence .button { width: 100%; }
  .clarity-box { padding: 26px; }
  .footer-row { display: grid; }
  .selector-main { padding: 66px 0; }
}

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