:root {
    --orange: #fb9609;
    --black: #111111;
    --dark: #1C1C1C;
    --mid: #2B2B2B;
    --light: #F5F5F5;
    --white: #ffffff;
    --text: #232323;
    --muted: #686868;
    --shadow: 0 18px 45px rgba(17,17,17,.10);
    --radius: 18px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    color: var(--text);
    background: var(--light);
    line-height: 1.65;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
header, .site-header {
    position: sticky;
    top: 0;
    z-index: 20;
    background: rgba(17,17,17,.96);
    backdrop-filter: blur(10px);
    color: var(--white);
    border-bottom: 1px solid rgba(255,255,255,.08);
}
.container { width: min(1120px, calc(100% - 32px)); margin: 0 auto; }
.header-wrap { display: flex; align-items: center; justify-content: space-between; min-height: 72px; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 800; letter-spacing: .5px; }
.logo img { width: 42px; height: 42px; object-fit: contain; border-radius: 12px; }
.logo span { font-size: 1.2rem; }
.nav-toggle { display: none; }
.mobile-nav { width: 44px; height: 44px; display: grid; place-content: center; gap: 5px; cursor: pointer; }
.mobile-nav span { display: block; width: 24px; height: 2px; background: var(--white); border-radius: 4px; }
.main-nav {
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    padding: 14px 24px 22px;
    background: var(--black);
    box-shadow: var(--shadow);
}
.main-nav a { padding: 12px 0; color: #f1f1f1; font-weight: 700; }
.main-nav a.active, .main-nav a:hover { color: var(--orange); }
.nav-toggle:checked ~ .main-nav { display: flex; }
.hero, .banner {
    background: radial-gradient(circle at 85% 10%, rgba(251,150,9,.28), transparent 28%), linear-gradient(135deg, var(--black), var(--dark));
    color: var(--white);
    padding: 56px 0;
}
.hero-grid, .banner-grid { display: grid; gap: 28px; align-items: center; }
.hero h1, .banner h1 { margin: 0 0 16px; font-size: clamp(2rem, 8vw, 4.2rem); line-height: 1.08; letter-spacing: -.04em; }
.hero p, .banner p { color: #e9e9e9; margin: 0 0 18px; }
.hero-img { background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.12); border-radius: 28px; padding: 18px; box-shadow: var(--shadow); }
.tags { display: flex; flex-wrap: wrap; gap: 10px; margin: 22px 0; }
.tag { padding: 9px 12px; border-radius: 999px; background: rgba(251,150,9,.16); color: #fff7ed; border: 1px solid rgba(251,150,9,.38); font-size: .92rem; }
section { padding: 44px 0; }
.section-title { margin: 0 0 12px; color: var(--black); font-size: clamp(1.45rem, 4vw, 2.25rem); line-height: 1.18; }
.section-lead { color: var(--muted); margin: 0 0 22px; max-width: 780px; }
.card { background: var(--white); border-radius: var(--radius); padding: 24px; box-shadow: var(--shadow); border: 1px solid rgba(17,17,17,.06); }
.card h2, .card h3 { margin-top: 0; color: var(--black); line-height: 1.2; }
.grid { display: grid; gap: 18px; }
.grid.two, .grid.three, .grid.four { grid-template-columns: 1fr; }
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 12px 22px; border-radius: 999px; background: var(--orange); color: var(--black); font-weight: 800; box-shadow: 0 12px 28px rgba(251,150,9,.25); border: 0; }
.btn:hover { transform: translateY(-1px); }
.notice { border-radius: var(--radius); padding: 18px; background: #fff7ec; border: 1px solid rgba(251,150,9,.28); color: #573300; }
.notice strong { color: var(--black); }
.faq { display: grid; gap: 14px; }
.faq details { background: var(--white); border-radius: 16px; padding: 18px 20px; box-shadow: var(--shadow); border: 1px solid rgba(17,17,17,.06); }
.faq summary { cursor: pointer; font-weight: 800; color: var(--black); }
.faq p { margin-bottom: 0; color: var(--muted); }
.list { padding-left: 20px; }
.list li { margin: 8px 0; }
.cta-box { background: var(--black); color: var(--white); border-radius: 26px; padding: 28px; box-shadow: var(--shadow); }
.cta-box h2 { color: var(--white); margin-top: 0; }
.cta-box p { color: #e8e8e8; }
.inline-links { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 18px; }
.inline-links a { color: var(--orange); font-weight: 800; }
.footer { background: var(--black); color: #e7e7e7; padding: 42px 0 22px; }
.footer-grid { display: grid; gap: 24px; }
.footer-brand { font-size: 1.5rem; font-weight: 900; color: var(--orange); margin-bottom: 10px; }
.footer h3 { color: var(--white); margin: 0 0 10px; }
.footer a { display: block; color: #e7e7e7; margin: 8px 0; }
.footer a:hover { color: var(--orange); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); margin-top: 24px; padding-top: 18px; font-size: .92rem; color: #bfbfbf; }
@media (min-width: 768px) {
    .mobile-nav { display: none; }
    .main-nav { position: static; display: flex; flex-direction: row; gap: 22px; padding: 0; background: transparent; box-shadow: none; }
    .main-nav a { padding: 6px 0; }
    .hero, .banner { padding: 78px 0; }
    .hero-grid, .banner-grid { grid-template-columns: 1.08fr .92fr; }
    .grid.two { grid-template-columns: repeat(2, 1fr); }
    .grid.three { grid-template-columns: repeat(3, 1fr); }
    .grid.four { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1.5fr .7fr 1fr; }
}
@media (min-width: 1024px) {
    section { padding: 58px 0; }
    .grid.four { grid-template-columns: repeat(4, 1fr); }
    .card { padding: 28px; }
}