:root {
    --primary: #fa0c0c;
    --black: #111111;
    --dark: #1C1C1C;
    --mid: #2B2B2B;
    --light: #F5F5F5;
    --white: #ffffff;
    --border: rgba(17,17,17,0.10);
    --shadow: 0 18px 45px rgba(17,17,17,0.10);
}
* { 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 { background: var(--primary); color: #fff; position: sticky; top: 0; z-index: 20; box-shadow: 0 10px 24px rgba(0,0,0,0.12); }
.container { width: min(1120px, calc(100% - 32px)); margin: 0 auto; }
.header-inner { display: flex; align-items: center; justify-content: space-between; min-height: 72px; gap: 20px; }
.logo { display: inline-flex; align-items: center; gap: 12px; font-weight: 800; letter-spacing: .4px; }
.logo img { width: 44px; height: 44px; border-radius: 14px; background: #fff; padding: 4px; }
nav { display: none; flex-direction: column; gap: 10px; position: absolute; left: 16px; right: 16px; top: 76px; background: #fff; color: var(--black); border-radius: 18px; padding: 16px; box-shadow: var(--shadow); }
nav a { padding: 10px 12px; border-radius: 12px; font-weight: 700; }
nav a:hover { background: var(--light); color: var(--primary); }
.mobile-toggle { display: none; }
.mobile-nav { width: 44px; height: 44px; border-radius: 14px; display: flex; flex-direction: column; justify-content: center; gap: 5px; align-items: center; background: rgba(255,255,255,.18); cursor: pointer; }
.mobile-nav span { width: 22px; height: 2px; background: #fff; border-radius: 99px; }
.mobile-toggle:checked ~ nav { display: flex; }
section { padding: 48px 0; }
.hero, .banner { background: linear-gradient(135deg, var(--primary), #1C1C1C); color: #fff; padding: 58px 0; }
.hero-grid { display: grid; gap: 28px; align-items: center; }
.hero h1 { font-size: clamp(32px, 8vw, 58px); line-height: 1.08; margin: 0 0 18px; letter-spacing: -1px; }
.hero p { margin: 0 0 22px; color: rgba(255,255,255,.88); font-size: 17px; }
.banner-tags { display: flex; flex-wrap: wrap; gap: 10px; margin: 22px 0 0; }
.tag { display: inline-flex; padding: 9px 12px; border-radius: 999px; background: rgba(255,255,255,.14); border: 1px solid rgba(255,255,255,.22); font-weight: 700; font-size: 13px; }
.hero-card { background: rgba(255,255,255,.10); border: 1px solid rgba(255,255,255,.22); border-radius: 28px; padding: 20px; box-shadow: var(--shadow); }
.hero-card img { border-radius: 22px; margin: 0 auto; }
h1, h2, h3 { line-height: 1.2; }
h2 { font-size: clamp(25px, 5vw, 38px); margin: 0 0 14px; }
h3 { margin-top: 0; }
.lead { font-size: 17px; color: #444; max-width: 780px; }
.grid { display: grid; gap: 18px; }
.grid-2, .grid-3 { grid-template-columns: 1fr; }
.card { background: #fff; border: 1px solid var(--border); border-radius: 20px; padding: 22px; box-shadow: 0 12px 30px rgba(17,17,17,.06); }
.card strong, .accent { color: var(--primary); }
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 46px; padding: 13px 20px; border-radius: 999px; background: var(--primary); color: #fff; font-weight: 800; border: 0; box-shadow: 0 12px 22px rgba(250,12,12,.22); }
.btn:hover { transform: translateY(-1px); }
.notice { border-left: 5px solid var(--primary); background: #fff7f7; border-radius: 18px; padding: 18px 20px; box-shadow: 0 10px 24px rgba(17,17,17,.05); }
.notice strong { color: var(--primary); }
.faq { display: grid; gap: 14px; }
.faq details { background: #fff; border: 1px solid var(--border); border-radius: 18px; padding: 18px; box-shadow: 0 10px 22px rgba(17,17,17,.05); }
.faq summary { cursor: pointer; font-weight: 800; }
.light-section { background: var(--light); }
.footer { background: var(--primary); color: #fff; padding: 42px 0; }
.footer-grid { display: grid; gap: 24px; }
.footer a { display: block; color: rgba(255,255,255,.88); margin: 8px 0; }
.footer p { color: rgba(255,255,255,.86); margin: 8px 0; }
.footer-brand { font-size: 24px; font-weight: 900; margin-bottom: 10px; }
ul.clean { padding-left: 20px; margin-bottom: 0; }
.cta-box { background: var(--black); color: #fff; border-radius: 24px; padding: 28px; }
.cta-box p { color: rgba(255,255,255,.84); }
@media (min-width: 768px) {
    .hero-grid { grid-template-columns: 1.15fr .85fr; }
    .grid-2 { grid-template-columns: repeat(2, 1fr); }
    .grid-3 { grid-template-columns: repeat(3, 1fr); }
    .footer-grid { grid-template-columns: 1.2fr .8fr 1.2fr; }
    section { padding: 64px 0; }
}
@media (min-width: 1024px) {
    .mobile-nav { display: none; }
    nav { display: flex; position: static; flex-direction: row; background: transparent; color: #fff; box-shadow: none; padding: 0; gap: 6px; }
    nav a:hover { background: rgba(255,255,255,.18); color: #fff; }
    .hero { padding: 78px 0; }
}