:root {
    --primary: #366eff;
    --black: #111111;
    --dark: #1C1C1C;
    --mid: #2B2B2B;
    --light: #F5F5F5;
    --white: #ffffff;
    --text: #20242a;
    --muted: #667085;
    --line: rgba(17,17,17,0.10);
    --shadow: 0 16px 40px rgba(17,17,17,0.10);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: Arial, Helvetica, sans-serif; background: var(--light); color: var(--text); 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: var(--white); position: sticky; top: 0; z-index: 20; box-shadow: 0 8px 24px rgba(0,0,0,0.14); }
.container { width: min(1120px, calc(100% - 32px)); margin: 0 auto; }
.header-inner { min-height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 18px; }
.logo { display: inline-flex; align-items: center; gap: 10px; font-weight: 800; letter-spacing: .5px; }
.logo img { width: 44px; height: 44px; object-fit: contain; border-radius: 12px; background: rgba(255,255,255,0.18); padding: 4px; }
.logo span { font-size: 1.25rem; }
nav, .main-nav { display: none; flex-direction: column; position: absolute; left: 16px; right: 16px; top: 72px; background: var(--white); color: var(--black); border-radius: 18px; padding: 14px; box-shadow: var(--shadow); }
.main-nav a { padding: 12px 14px; border-radius: 12px; font-weight: 700; }
.main-nav a:hover { background: rgba(54,110,255,0.10); color: var(--primary); }
.mobile-toggle { display: none; }
.mobile-toggle:checked ~ .main-nav { display: flex; }
.mobile-nav { width: 44px; height: 44px; display: inline-flex; flex-direction: column; align-items: center; justify-content: center; gap: 5px; border: 1px solid rgba(255,255,255,0.35); border-radius: 14px; cursor: pointer; }
.mobile-nav span { width: 20px; height: 2px; background: var(--white); border-radius: 10px; }
.hero, .banner { background: linear-gradient(135deg, var(--primary), #111111); color: var(--white); padding: 54px 0; }
.banner-grid { display: grid; gap: 28px; align-items: center; }
.hero h1, .banner h1 { font-size: clamp(2rem, 7vw, 4.25rem); line-height: 1.08; margin: 0 0 18px; letter-spacing: -1px; }
.lead { font-size: 1.08rem; color: rgba(255,255,255,0.88); margin-bottom: 24px; }
.tags { display: flex; flex-wrap: wrap; gap: 10px; margin: 22px 0; }
.tag { display: inline-flex; align-items: center; background: rgba(255,255,255,0.14); border: 1px solid rgba(255,255,255,0.24); color: var(--white); padding: 8px 12px; border-radius: 999px; font-size: .92rem; font-weight: 700; }
.hero-media { background: rgba(255,255,255,0.12); border: 1px solid rgba(255,255,255,0.18); border-radius: 28px; padding: 18px; box-shadow: var(--shadow); }
section { padding: 48px 0; }
.section-title { max-width: 760px; margin-bottom: 24px; }
.section-title h2 { margin: 0 0 10px; font-size: clamp(1.55rem, 4vw, 2.45rem); color: var(--black); }
.section-title p { color: var(--muted); margin: 0; }
.grid { display: grid; gap: 18px; }
.grid.two, .grid.three { grid-template-columns: 1fr; }
.card { background: var(--white); border: 1px solid var(--line); border-radius: 20px; padding: 24px; box-shadow: 0 8px 28px rgba(17,17,17,0.06); }
.card h2, .card h3 { margin-top: 0; color: var(--black); }
.card p:last-child { margin-bottom: 0; }
.btn { display: inline-flex; justify-content: center; align-items: center; min-height: 48px; padding: 12px 20px; border-radius: 999px; background: var(--primary); color: var(--white); font-weight: 800; border: none; box-shadow: 0 10px 22px rgba(54,110,255,0.24); }
.btn:hover { filter: brightness(.96); transform: translateY(-1px); }
.notice { border-left: 6px solid var(--primary); background: rgba(54,110,255,0.09); padding: 18px; border-radius: 18px; color: var(--black); }
.faq { display: grid; gap: 14px; }
.faq details { background: var(--white); border: 1px solid var(--line); border-radius: 18px; padding: 18px 20px; box-shadow: 0 6px 20px rgba(17,17,17,0.05); }
.faq summary { cursor: pointer; font-weight: 800; color: var(--black); }
.list { padding-left: 20px; }
.cta-panel { background: var(--dark); color: var(--white); border-radius: 26px; padding: 28px; display: grid; gap: 18px; align-items: center; }
.cta-panel p { color: rgba(255,255,255,0.78); }
.footer { background: var(--primary); color: var(--white); padding: 38px 0; margin-top: 40px; }
.footer-grid { display: grid; gap: 22px; }
.footer a { display: block; color: rgba(255,255,255,0.90); margin: 8px 0; }
.footer p { color: rgba(255,255,255,0.84); margin: 8px 0; }
.footer h3 { margin: 0 0 10px; }
.footer-brand { font-size: 1.6rem; font-weight: 900; }
.breadcrumbs { font-size: .92rem; color: var(--muted); margin: 22px 0 0; }
.breadcrumbs a { color: var(--primary); font-weight: 700; }
.page-hero { background: var(--white); padding: 42px 0; border-bottom: 1px solid var(--line); }
.page-hero h1 { margin: 0; font-size: clamp(2rem, 5vw, 3.3rem); line-height: 1.15; }
.page-hero p { max-width: 760px; color: var(--muted); }
.steps { counter-reset: step; display: grid; gap: 14px; }
.step { counter-increment: step; position: relative; padding-left: 58px; }
.step::before { content: counter(step); position: absolute; left: 0; top: 4px; width: 38px; height: 38px; border-radius: 50%; background: var(--primary); color: var(--white); display: grid; place-items: center; font-weight: 900; }
@media (min-width: 768px) {
    .banner-grid { grid-template-columns: 1.15fr .85fr; }
    .grid.two { grid-template-columns: repeat(2, 1fr); }
    .grid.three { grid-template-columns: repeat(3, 1fr); }
    .cta-panel { grid-template-columns: 1fr auto; }
    .footer-grid { grid-template-columns: 1.3fr .7fr 1fr; }
}
@media (min-width: 1024px) {
    .mobile-nav { display: none; }
    nav, .main-nav { display: flex; position: static; flex-direction: row; background: transparent; color: var(--white); box-shadow: none; padding: 0; }
    .main-nav a:hover { background: rgba(255,255,255,0.14); color: var(--white); }
    .hero, .banner { padding: 72px 0; }
    section { padding: 64px 0; }
}