:root { --primary: #4F86E3; --black:#111111; --dark:#1C1C1C; --mid:#2B2B2B; --light:#F5F5F5; --white:#ffffff; }
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: Arial, Helvetica, sans-serif; color: var(--black); background: #fff; line-height: 1.65; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
header, .site-header { position: sticky; top: 0; z-index: 50; background: #fff; box-shadow: 0 8px 26px rgba(17,17,17,.08); }
.header-inner { display: none; max-width: 1180px; margin: 0 auto; padding: 12px 24px; align-items: center; justify-content: space-between; gap: 28px; }
.logo img { width: 132px; max-height: 54px; object-fit: contain; }
.main-nav { display: flex; align-items: center; justify-content: center; gap: 24px; flex: 1; font-weight: 700; color: var(--dark); }
.main-nav a { padding: 10px 4px; border-bottom: 2px solid transparent; }
.main-nav a:hover { color: var(--primary); border-color: var(--primary); }
.header-actions { display: flex; align-items: center; gap: 10px; }
.mobile-top { display: grid; grid-template-columns: 48px 1fr 48px; align-items: center; padding: 12px 16px 8px; }
.mobile-logo { justify-self: center; }
.mobile-logo img { width: 128px; }
.mobile-menu-toggle { width: 42px; height: 42px; border: 0; border-radius: 14px; background: var(--primary); color: #fff; font-size: 24px; line-height: 1; cursor: pointer; box-shadow: 0 8px 18px rgba(79,134,227,.25); }
.mobile-spacer { display:block; }
.mobile-actions { display: flex; justify-content: center; gap: 10px; padding: 0 16px 12px; }
.mobile-nav { display: none; background: #fff; border-top: 1px solid rgba(17,17,17,.08); padding: 10px 16px 16px; }
.mobile-nav.open { display: grid; gap: 8px; }
.mobile-nav a { padding: 12px 14px; border-radius: 14px; background: var(--light); font-weight: 700; }
.mobile-nav a:hover { background: rgba(79,134,227,.12); color: var(--primary); }
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 46px; padding: 0 22px; border: 0; border-radius: 999px; background: linear-gradient(135deg, var(--primary), #2459b7); color: #fff; font-weight: 800; box-shadow: 0 10px 24px rgba(79,134,227,.28); transition: transform .2s ease, box-shadow .2s ease; }
.btn:hover { transform: translateY(-1px); box-shadow: 0 14px 30px rgba(79,134,227,.34); }
.btn-small { min-height: 40px; padding: 0 18px; font-size: 14px; }
.btn-alt { background: linear-gradient(135deg, #2B2B2B, var(--primary)); }
.container { width: min(1120px, calc(100% - 32px)); margin: 0 auto; }
section { padding: 54px 0; }
.hero, .banner { background: radial-gradient(circle at top left, rgba(79,134,227,.22), transparent 35%), linear-gradient(135deg, #f7fbff, #ffffff); padding: 54px 0 42px; }
.hero-grid { display: grid; gap: 28px; align-items: center; }
.hero h1 { margin: 0 0 16px; font-size: clamp(32px, 9vw, 58px); line-height: 1.05; letter-spacing: -.04em; }
.hero p { font-size: 17px; color: #444; margin: 0 0 18px; }
.hero-image { background: #fff; border-radius: 28px; padding: 18px; box-shadow: 0 18px 48px rgba(17,17,17,.12); }
.tags { display: flex; flex-wrap: wrap; gap: 10px; margin: 22px 0; }
.tag { display: inline-flex; padding: 8px 12px; background: rgba(79,134,227,.12); color: #173c7e; border-radius: 999px; font-weight: 700; font-size: 13px; }
.card { background: #fff; border: 1px solid rgba(17,17,17,.08); border-radius: 20px; padding: 24px; box-shadow: 0 12px 30px rgba(17,17,17,.07); }
.grid { display: grid; gap: 18px; }
.grid-2, .grid-3 { display: grid; gap: 18px; }
h1, h2, h3 { color: var(--dark); line-height: 1.2; }
h2 { font-size: clamp(26px, 5vw, 38px); margin: 0 0 18px; }
h3 { margin-top: 0; }
p { margin-top: 0; }
.notice { border-left: 6px solid var(--primary); background: rgba(79,134,227,.1); border-radius: 18px; padding: 18px; color: #253044; }
.faq { display: grid; gap: 14px; }
.faq-item { background: #fff; border-radius: 18px; padding: 20px; border: 1px solid rgba(17,17,17,.08); box-shadow: 0 8px 20px rgba(17,17,17,.05); }
.faq-item h3 { margin-bottom: 8px; }
.cta-section { background: var(--dark); color: #fff; }
.cta-section h2, .cta-section p { color: #fff; }
.footer { background: var(--dark); color: #e8e8e8; padding: 42px 0 0; }
.footer-grid { display: grid; gap: 28px; }
.footer a { display: block; color: #fff; margin: 8px 0; }
.footer h3 { color: #fff; }
.footer-logo img { width: 128px; margin-bottom: 12px; }
.footer-bottom { margin-top: 34px; padding: 16px; text-align: center; background: #111; color: #ddd; }
ul.steps, ul.checklist { padding-left: 20px; }
li { margin-bottom: 8px; }
@media (min-width: 768px) {
    .mobile-top, .mobile-actions, .mobile-nav { display: none !important; }
    .header-inner { display: flex; }
    .hero-grid { grid-template-columns: 1.05fr .95fr; }
    .grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .footer-grid { grid-template-columns: 1.3fr .7fr 1.2fr; }
    section { padding: 70px 0; }
}
@media (min-width: 1024px) {
    .header-inner { padding: 14px 36px; }
    .logo img { width: 148px; }
    .main-nav { gap: 34px; }
    .hero { padding: 78px 0 66px; }
}