:root {
    --primary: #47adf9;
    --black: #111111;
    --dark: #1C1C1C;
    --mid: #2B2B2B;
    --light: #F5F5F5;
    --white: #ffffff;
    --shadow: 0 14px 32px rgba(17,17,17,.08);
    --radius: 18px;
}
* { 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%; display: block; }
.container { width: min(1120px, calc(100% - 32px)); margin: 0 auto; }
.site-header, header { background: rgba(255,255,255,.96); border-bottom: 1px solid rgba(17,17,17,.08); position: sticky; top: 0; z-index: 20; backdrop-filter: blur(12px); }
.header-inner { display: none; align-items: center; justify-content: space-between; gap: 24px; min-height: 82px; }
.logo { display: inline-flex; align-items: center; justify-content: center; flex-shrink: 0; }
.logo img { width: 132px; height: 44px; object-fit: contain; }
.main-nav { display: flex; align-items: center; justify-content: center; gap: 28px; color: var(--dark); font-weight: 700; }
.main-nav a { padding: 10px 0; }
.main-nav a:hover { color: var(--primary); }
.header-actions { display: flex; align-items: center; gap: 12px; }
.mobile-top { display: flex; align-items: center; justify-content: space-between; min-height: 68px; }
.mobile-menu-toggle { width: 42px; height: 42px; border: 1px solid rgba(17,17,17,.12); background: #fff; border-radius: 14px; font-size: 22px; line-height: 1; color: var(--dark); cursor: pointer; }
.mobile-logo { position: absolute; left: 50%; transform: translateX(-50%); }
.mobile-spacer { width: 42px; height: 42px; display: block; }
.mobile-actions { display: flex; justify-content: center; gap: 12px; padding-bottom: 14px; }
.mobile-actions .btn { min-width: 132px; text-align: center; }
.mobile-nav { display: none; flex-direction: column; gap: 6px; width: min(1120px, calc(100% - 32px)); margin: 0 auto 14px; padding: 12px; border-radius: 18px; background: var(--light); border: 1px solid rgba(17,17,17,.08); }
.mobile-nav.is-open { display: flex; }
.mobile-nav a { padding: 12px 14px; border-radius: 12px; font-weight: 700; }
.mobile-nav a:hover { background: #fff; color: var(--primary); }
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 46px; padding: 12px 22px; border: 0; border-radius: 999px; background: linear-gradient(135deg, var(--primary), #1666d8); color: #fff; font-weight: 800; box-shadow: 0 10px 22px rgba(71,173,249,.22); cursor: pointer; }
.btn:hover { transform: translateY(-1px); }
.btn-small { min-height: 40px; padding: 9px 18px; font-size: 14px; }
.btn-soft { background: linear-gradient(135deg, #1C1C1C, #2B2B2B); box-shadow: 0 10px 22px rgba(17,17,17,.14); }
.hero, .banner { background: linear-gradient(135deg, rgba(71,173,249,.16), rgba(245,245,245,.98)); padding: 52px 0; overflow: hidden; }
.hero-grid { display: grid; gap: 28px; align-items: center; }
.eyebrow { display: inline-flex; padding: 7px 12px; border-radius: 999px; background: rgba(71,173,249,.12); color: var(--primary); font-weight: 800; font-size: 13px; }
h1, h2, h3 { line-height: 1.2; margin: 0 0 16px; color: var(--black); }
h1 { font-size: clamp(32px, 8vw, 56px); letter-spacing: -.04em; }
h2 { font-size: clamp(25px, 5vw, 38px); letter-spacing: -.025em; }
h3 { font-size: 20px; }
p { margin: 0 0 14px; color: #444; }
.lead { font-size: 18px; color: #333; }
.tag-list { display: flex; flex-wrap: wrap; gap: 10px; margin: 22px 0; padding: 0; list-style: none; }
.tag-list li, .tag { border-radius: 999px; padding: 9px 13px; background: #fff; color: var(--dark); border: 1px solid rgba(71,173,249,.28); font-weight: 700; font-size: 14px; }
.hero-media { border-radius: 28px; padding: 22px; background: #fff; box-shadow: var(--shadow); }
section { padding: 44px 0; }
.section-head { margin-bottom: 22px; max-width: 780px; }
.grid { display: grid; grid-template-columns: 1fr; gap: 18px; }
.card { background: #fff; border: 1px solid rgba(17,17,17,.08); border-radius: var(--radius); padding: 22px; box-shadow: var(--shadow); }
.card h3 { color: var(--dark); }
.notice { border-left: 5px solid var(--primary); background: rgba(71,173,249,.1); border-radius: 16px; padding: 18px; color: var(--dark); font-weight: 700; }
.faq { display: grid; gap: 14px; }
.faq details { background: #fff; border: 1px solid rgba(17,17,17,.08); border-radius: 16px; padding: 18px; box-shadow: 0 8px 20px rgba(17,17,17,.05); }
.faq summary { cursor: pointer; font-weight: 800; color: var(--dark); }
.inline-links { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 16px; }
.inline-links a { color: var(--primary); font-weight: 800; }
.footer { background: var(--dark); color: #fff; padding: 44px 0; margin-top: 40px; }
.footer p { color: rgba(255,255,255,.74); }
.footer-grid { display: grid; gap: 24px; }
.footer-logo { display: inline-flex; font-size: 26px; font-weight: 900; color: #fff; margin-bottom: 10px; }
.footer-nav { display: flex; flex-wrap: wrap; gap: 14px; }
.footer-nav a { color: #fff; font-weight: 700; }
.footer-note { border-radius: 18px; background: rgba(255,255,255,.08); padding: 18px; }
.two-col { display: grid; gap: 20px; }
ol.steps { display: grid; gap: 14px; padding-left: 22px; }
ol.steps li { padding-left: 6px; }
@media (min-width: 768px) {
    .mobile-top, .mobile-actions, .mobile-nav { display: none; }
    .header-inner { display: flex; }
    .hero-grid { grid-template-columns: 1.05fr .95fr; }
    .grid { grid-template-columns: repeat(2, 1fr); }
    .two-col { grid-template-columns: repeat(2, 1fr); }
    section { padding: 58px 0; }
}
@media (min-width: 1024px) {
    .header-inner { min-height: 90px; }
    .logo img { width: 148px; height: 48px; }
    .main-nav { gap: 34px; }
    .grid.three { grid-template-columns: repeat(3, 1fr); }
    .hero { padding: 78px 0; }
    .card { padding: 26px; }
}