:root {
  --ink: #383d47;
  --muted: #5d6573;
  --teal: #9bebe7;
  --blue: #6a96e0;
  --sky: #7fb8e3;
  --bg: #ffffff;
  --alt: #f3f8fc;
  --line: #e3ebf3;
  --grad: linear-gradient(135deg, #5fc9d6 0%, #6a96e0 100%);
  --radius: 16px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font: 17px/1.65 system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
}
img { max-width: 100%; height: auto; }
a { color: #3b6fc4; }
.wrap { width: min(1120px, 92%); margin: 0 auto; }
.narrow { width: min(760px, 92%); }
.center { text-align: center; }

.nav { position: sticky; top: 0; z-index: 10; background: rgba(255,255,255,.88); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; padding: 8px 0; }
.brand img { display: block; height: 44px; width: auto; }
.nav nav { display: flex; align-items: center; gap: 22px; }
.nav nav a { color: var(--ink); text-decoration: none; font-weight: 500; }
.nav nav a:hover { color: var(--blue); }

.btn {
  display: inline-block; padding: 13px 26px; border-radius: 999px; font-weight: 600; text-decoration: none;
  color: #fff !important; background: var(--grad); box-shadow: 0 6px 18px rgba(106,150,224,.35);
  transition: transform .15s, box-shadow .15s;
}
.btn:hover { transform: translateY(-1px); box-shadow: 0 10px 24px rgba(106,150,224,.45); }
.btn-small { padding: 8px 18px; }
.btn-ghost { background: transparent; color: var(--ink) !important; border: 1.5px solid var(--line); box-shadow: none; }
.btn-ghost:hover { border-color: var(--blue); box-shadow: none; }

.eyebrow { text-transform: uppercase; letter-spacing: .14em; font-size: .78rem; font-weight: 700; color: var(--blue); margin: 0 0 12px; }

.hero { background: radial-gradient(1200px 500px at 80% -10%, rgba(155,235,231,.45), transparent 60%), radial-gradient(900px 500px at 0% 0%, rgba(106,150,224,.18), transparent 60%); }
.hero-inner { padding: 110px 0 120px; max-width: 860px; }
h1 { font-size: clamp(2.3rem, 5.5vw, 4rem); line-height: 1.08; margin: 0 0 22px; letter-spacing: -.02em; }
.grad { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lead { font-size: 1.22rem; color: var(--muted); max-width: 680px; margin: 0 0 34px; }
.cta { display: flex; gap: 14px; flex-wrap: wrap; }

.section { padding: 96px 0; }
.section.alt { background: var(--alt); }
h2 { font-size: clamp(1.7rem, 3.4vw, 2.4rem); margin: 0 0 12px; letter-spacing: -.01em; }
.sub { color: var(--muted); margin: 0 0 40px; }
h3 { margin: 0 0 8px; font-size: 1.2rem; }

.grid3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 22px; }
.card { border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; background: #fff; }
.card p { margin: 0; color: var(--muted); }

.product { display: grid; grid-template-columns: 1.4fr 1fr; gap: 40px; align-items: center; margin-top: 28px; background: #fff; border: 1px solid var(--line); border-radius: 24px; padding: 44px; }
.product h3 { font-size: 2rem; }
.product-art { display: grid; place-items: center; background: radial-gradient(circle, rgba(155,235,231,.4), transparent 70%); border-radius: 24px; min-height: 260px; }
.ticks { list-style: none; padding: 0; margin: 18px 0 28px; }
.ticks li { padding-left: 28px; position: relative; margin: 8px 0; }
.ticks li::before { content: ""; position: absolute; left: 0; top: .5em; width: 14px; height: 14px; border-radius: 50%; background: var(--grad); }

.cta-band { background: var(--alt); }
.footer { border-top: 1px solid var(--line); padding: 28px 0; color: var(--muted); font-size: .92rem; }
.foot-inner { display: flex; gap: 20px; align-items: center; justify-content: space-between; flex-wrap: wrap; }
.foot-inner p { margin: 0; }
.foot-inner img { height: 32px; width: auto; }

@media (max-width: 760px) {
  .product { grid-template-columns: 1fr; padding: 28px; }
  .nav nav a:not(.btn) { display: none; }
  .hero-inner { padding: 70px 0 80px; }
  .section { padding: 64px 0; }
}