:root {
    --primary: #1989fa;
    --black: #111111;
    --deep: #1C1C1C;
    --mid: #2B2B2B;
    --light: #F5F5F5;
    --white: #ffffff;
    --radius: 18px;
    --shadow: 0 18px 45px rgba(17, 17, 17, .08);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: Arial, Helvetica, sans-serif; background: var(--light); color: var(--deep); line-height: 1.7; }
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: rgba(255,255,255,.96); box-shadow: 0 8px 26px rgba(0,0,0,.06); backdrop-filter: blur(12px); }
.header-inner { max-width: 1180px; margin: 0 auto; min-height: 76px; padding: 12px 18px; display: grid; grid-template-columns: 48px 1fr 48px; align-items: center; gap: 10px; }
.logo { justify-self: center; display: inline-flex; align-items: center; }
.logo img { width: 132px; max-height: 52px; object-fit: contain; }
.main-nav { display: none; align-items: center; justify-content: center; gap: 10px; font-weight: 700; color: var(--black); }
.main-nav a { padding: 10px 12px; border-radius: 999px; transition: .2s; }
.main-nav a:hover { background: rgba(25,137,250,.1); color: var(--primary); }
.header-actions { display: none; justify-content: flex-end; gap: 10px; }
.mobile-menu-toggle { width: 44px; height: 44px; border: 0; border-radius: 14px; background: var(--primary); color: #fff; font-size: 24px; cursor: pointer; box-shadow: 0 8px 18px rgba(25,137,250,.25); }
.mobile-nav { display: none; width: calc(100% - 32px); margin: 0 auto 12px; padding: 12px; border-radius: 18px; background: #fff; box-shadow: var(--shadow); gap: 8px; }
.mobile-nav.is-open { display: grid; }
.mobile-nav a { padding: 12px 14px; border-radius: 14px; background: #f8fbff; font-weight: 700; }
.mobile-actions { display: flex; justify-content: center; gap: 10px; padding: 0 16px 14px; }
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 46px; padding: 12px 22px; border-radius: 999px; background: linear-gradient(135deg, var(--primary), #0d62c8); color: #fff; font-weight: 800; border: 0; box-shadow: 0 12px 28px rgba(25,137,250,.25); transition: transform .2s, box-shadow .2s; }
.btn:hover { transform: translateY(-2px); box-shadow: 0 16px 34px rgba(25,137,250,.32); }
.btn-small { min-height: 40px; padding: 9px 16px; font-size: 14px; }
.btn-soft { background: linear-gradient(135deg, #2B2B2B, #111111); }
.container { width: min(1120px, calc(100% - 32px)); margin: 0 auto; }
section { padding: 44px 0; }
.hero, .banner { background: radial-gradient(circle at 15% 20%, rgba(255,255,255,.24), transparent 32%), linear-gradient(135deg, var(--primary), #0f4fac); color: #fff; padding: 58px 0; }
.hero-grid { display: grid; gap: 28px; align-items: center; }
.hero h1 { font-size: clamp(32px, 8vw, 58px); line-height: 1.1; margin: 0 0 16px; letter-spacing: -.03em; }
.hero p { font-size: 17px; max-width: 690px; color: rgba(255,255,255,.92); }
.hero-card { background: rgba(255,255,255,.13); border: 1px solid rgba(255,255,255,.24); border-radius: 28px; padding: 18px; box-shadow: 0 20px 60px rgba(0,0,0,.18); }
.tags { display: flex; flex-wrap: wrap; gap: 10px; margin: 22px 0; }
.tag { background: rgba(255,255,255,.16); color: #fff; border: 1px solid rgba(255,255,255,.22); padding: 9px 12px; border-radius: 999px; font-weight: 700; font-size: 14px; }
.grid { display: grid; gap: 18px; }
.card { background: #fff; border-radius: var(--radius); padding: 24px; box-shadow: var(--shadow); border: 1px solid rgba(17,17,17,.05); }
.card h2, .card h3 { margin-top: 0; color: var(--black); line-height: 1.25; }
.card h2 { font-size: 28px; }
.card h3 { font-size: 21px; }
.notice { border-left: 5px solid var(--primary); background: #fff; border-radius: 16px; padding: 18px 20px; box-shadow: var(--shadow); color: var(--mid); }
.faq { display: grid; gap: 14px; }
.faq-item { background: #fff; border-radius: 18px; padding: 20px; box-shadow: var(--shadow); }
.faq-item h3 { margin: 0 0 8px; color: var(--black); }
.link-list { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }
.link-list a { color: var(--primary); font-weight: 800; background: rgba(25,137,250,.09); border-radius: 999px; padding: 8px 13px; }
.footer { background: var(--deep); color: rgba(255,255,255,.82); padding-top: 42px; }
.footer-grid { display: grid; gap: 24px; }
.footer h3 { color: #fff; margin-top: 0; }
.footer a { display: block; color: rgba(255,255,255,.86); margin: 8px 0; }
.footer-logo img { width: 130px; margin-bottom: 12px; }
.footer-bottom { margin-top: 34px; padding: 18px; text-align: center; background: rgba(0,0,0,.18); font-size: 14px; }
ul.steps, .check-list { padding-left: 20px; }
.page-hero { padding: 48px 0 22px; }
.page-hero h1 { font-size: clamp(30px, 6vw, 48px); line-height: 1.15; margin-bottom: 12px; }
@media (min-width: 768px) {
    .header-inner { grid-template-columns: 170px 1fr 220px; min-height: 82px; }
    .logo { justify-self: start; }
    .main-nav { display: flex; }
    .header-actions { display: flex; }
    .mobile-menu-toggle, .mobile-actions, .mobile-nav { display: none; }
    .mobile-nav.is-open { display: none; }
    .hero-grid { grid-template-columns: 1.05fr .95fr; }
    .grid.two { grid-template-columns: repeat(2, 1fr); }
    .grid.three { grid-template-columns: repeat(3, 1fr); }
    .footer-grid { grid-template-columns: 1.4fr .8fr 1fr; }
}
@media (min-width: 1024px) {
    .header-inner { padding-left: 28px; padding-right: 28px; }
    .logo img { width: 150px; }
    section { padding: 58px 0; }
    .hero { padding: 78px 0; }
}