*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: 'Inter', sans-serif; color: #0A1628; background: #fff; line-height: 1.7; }
h1, h2, h3 { font-family: 'Sora', sans-serif; line-height: 1.2; }
a { color: #3B82F6; text-decoration: none; }
a:hover { text-decoration: underline; }

:root {
  --navy: #0A1628;
  --blue: #3B82F6;
  --slate: #64748B;
  --light: #F1F5F9;
  --border: #E2E8F0;
}

.container { max-width: 800px; margin: 0 auto; padding: 0 24px; }
.container-wide { max-width: 1160px; margin: 0 auto; padding: 0 24px; }

nav,
.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  height: 68px;
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
}

.logo { display: flex; flex-direction: column; line-height: 1; text-decoration: none; }
.logo-product { font-family: 'Sora', sans-serif; font-weight: 800; font-size: 20px; color: var(--navy); letter-spacing: -.02em; }
.logo-product span { color: var(--blue); }
.logo-company { font-size: 10px; font-weight: 500; color: var(--slate); letter-spacing: .06em; text-transform: uppercase; margin-top: 2px; }
.nav-back { font-size: 14px; font-weight: 500; color: var(--slate); display: flex; align-items: center; gap: 6px; transition: color .15s; white-space: nowrap; }
.nav-back:hover { color: var(--navy); text-decoration: none; }

.btn-primary {
  background: var(--blue);
  color: #fff;
  font-weight: 600;
  font-size: 15px;
  padding: 14px 28px;
  border-radius: 8px;
  text-decoration: none;
  transition: background .2s;
}
.btn-primary:hover { background: #2563EB; text-decoration: none; }

.btn-outline {
  border: 1px solid #334155;
  color: #94A3B8;
  font-weight: 500;
  font-size: 15px;
  padding: 14px 28px;
  border-radius: 8px;
  text-decoration: none;
  transition: all .2s;
}
.btn-outline:hover { border-color: #fff; color: #fff; text-decoration: none; }

footer { background: var(--navy); color: #94A3B8; padding: 32px 0; text-align: center; font-size: 13px; }
footer a { color: #60A5FA; }
footer a:hover { color: #fff; }