body.fs {
    margin: 0;
    color: #DDE1E6;
    background: #0B1520;
    font-family: "Segoe UI", system-ui, sans-serif;
    font-size: 1.02rem;
    line-height: 1.5;
}
body.fs *, body.fs *::before, body.fs *::after { box-sizing: border-box; }
body.fs a { color: inherit; }
body.fs h1, body.fs h2, body.fs h3 { margin: 0 0 0.5rem; line-height: 1.15; }
body.fs h2 { font-size: 1.2rem; font-weight: 650; }
body.fs h3 { font-size: 1.02rem; font-weight: 650; }
body.fs p { margin: 0 0 0.7rem; }
.fs-skip { position: absolute; left: -999px; }
.fs-skip:focus { left: 8px; top: 8px; z-index: 20; background: #1E3A4C; padding: 6px 10px; }
.fs-wrap { width: min(980px, calc(100% - 2rem)); margin: 0 auto; }
.fs-narrow { width: min(560px, calc(100% - 2rem)); }
.fs-top { background: #0B1520; border-bottom: 1px solid #1E3A4C; }
.fs-bar { display: flex; align-items: center; justify-content: space-between; min-height: 56px; gap: 1rem; }
.fs-brand { text-decoration: none; font-weight: 700; color: #F0B429; }
.fs-nav { display: flex; gap: 1rem; align-items: center; font-size: 0.95rem; }
.fs-nav a { text-decoration: none; }
.fs-tel { color: #F0B429; font-weight: 600; white-space: nowrap; }
.fs-burger {
    display: none; flex-direction: column; justify-content: center; gap: 5px;
    width: 44px; height: 44px; border: 1px solid #8AA4B5; background: transparent; cursor: pointer;
}
.fs-burger span { display: block; height: 2px; background: #DDE1E6; }
.fs-hero {
    position: relative; min-height: 420px; padding: 3.2rem 1rem 2.6rem;
    display: flex; flex-direction: column; align-items: center; text-align: center;
    background: #0B1520;
}
.fs-street {
    position: absolute; inset: 0; display: grid; grid-template-columns: repeat(6, 1fr); gap: 10px;
    padding: 18px 12px 80px; opacity: 0.35; pointer-events: none;
}
.fs-win { background: #1E3A4C; }
.fs-sign {
    position: relative; z-index: 1;
    background: #0B1520;
    border: 10px solid #1E3A4C;
    padding: 1.4rem 1.6rem 1.2rem;
    box-shadow: 0 0 0 1px #F0B429, 0 0 28px rgba(240,180,41,0.45), inset 0 0 40px rgba(240,180,41,0.08);
    max-width: 520px; width: calc(100% - 1rem);
}
.fs-sign h1 {
    font-family: Impact, "Arial Black", "Helvetica Neue Condensed", sans-serif;
    font-size: clamp(2rem, 7vw, 3.4rem); font-weight: 900; letter-spacing: 0.08em;
    text-transform: uppercase; color: #F0B429; margin: 0.15rem 0 0.35rem;
    text-shadow: 0 0 10px rgba(240,180,41,0.55);
}
.fs-sign-city, .fs-sign-sub {
    font-size: 0.78rem; letter-spacing: 0.22em; text-transform: uppercase; color: #8AA4B5; margin: 0;
}
.fs-hero-lead { position: relative; z-index: 1; max-width: 36em; margin-top: 1.6rem; color: #DDE1E6; }
.fs-hero-act { position: relative; z-index: 1; }
.fs-btn {
    display: inline-block; font: inherit; font-weight: 700; background: #F0B429; color: #0B1520;
    border: 0; padding: 0.7rem 1.15rem; cursor: pointer; text-decoration: none;
}
.fs-sec { padding: 2.2rem 0; }
.fs-sec-deep { background: #081018; }
.fs-note { color: #8AA4B5; max-width: 42em; }
.fs-mats, .fs-zones { list-style: none; padding: 0; margin: 0; display: grid; gap: 1rem; }
.fs-mats { grid-template-columns: 1fr 1fr; }
.fs-mats li, .fs-zones li {
    background: #1E3A4C; padding: 1rem 1.05rem 0.95rem; border-top: 3px solid #F0B429;
}
.fs-sum { font-weight: 700; color: #F0B429; margin: 0; }
.fs-zones { grid-template-columns: 1fr 1fr; }
body.fs details { border-bottom: 1px solid #1E3A4C; }
body.fs summary { cursor: pointer; padding: 0.75rem 0; font-weight: 600; color: #DDE1E6; }
body.fs details p { padding: 0 0 0.85rem; color: #8AA4B5; }
.fs-form { display: grid; gap: 0.75rem; }
.fs-field { display: grid; gap: 0.25rem; }
body.fs label { font-weight: 600; font-size: 0.92rem; }
body.fs input, body.fs select, body.fs textarea {
    font: inherit; border: 1px solid #8AA4B5; background: #0B1520; color: #DDE1E6; padding: 0.5rem 0.6rem;
}
.fs-err, .fs-form-error { color: #F0B429; margin: 0; font-size: 0.9rem; }
.fs-ok { border: 1px solid #F0B429; padding: 1rem; color: #DDE1E6; }
.fs-foot { border-top: 1px solid #1E3A4C; padding: 1.5rem 0; font-size: 0.95rem; color: #8AA4B5; }
.fs-foot a { color: #DDE1E6; }
.fs-foot .fs-brand { color: #F0B429; font-weight: 700; }
.fs-foot-grid { display: grid; grid-template-columns: 1.2fr 1fr auto; gap: 1rem; }
body.fs :focus { outline: none; }
body.fs :focus-visible { outline: 2px solid #F0B429; outline-offset: 2px; }
@media (max-width: 800px) {
    .fs-mats, .fs-zones, .fs-foot-grid { grid-template-columns: 1fr; }
    .fs-burger { display: flex; }
    .fs-nav {
        display: none; position: absolute; top: 56px; left: 0; right: 0;
        background: #0B1520; border-bottom: 1px solid #1E3A4C; flex-direction: column;
        padding: 0.8rem 1rem 1rem; align-items: flex-start; z-index: 10;
    }
    .fs-nav.fs-open { display: flex; }
    .fs-top { position: relative; }
    .fs-hero { min-height: 360px; padding-top: 2.2rem; }
}
@media (prefers-reduced-motion: reduce) {
    body.fs *, body.fs *::before, body.fs *::after { transition: none !important; animation: none !important; }
}
