/* АРХИВ №9: база, шапка, кнопки, формы, футер, слои. */
:root {
  --ink: #0b0b0b; --panel: #141414; --panel2: #1c1c1c; --line: #2e2e2e;
  --bone: #f2f0e8; --mute: #a8a8a0; --lime: #c8ff2e; --red: #ff4d2e;
  --f-head: Unbounded, 'Arial Black', Impact, 'Helvetica Neue', sans-serif;
  --f-mono: 'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, Consolas, monospace;
  --f-body: Onest, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --gut: 32px; --hd: 64px;
}
* { box-sizing: border-box; }
html { scroll-padding-top: 84px; -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--ink); color: var(--bone); font: 400 16px/1.5 var(--f-body); -webkit-tap-highlight-color: transparent; overflow-x: hidden; }
body.lock { overflow: hidden; }
img, svg { display: block; max-width: 100%; }
a { color: inherit; }
button, input, select { font: inherit; color: inherit; }
button { cursor: pointer; }
h1, h2, h3, p, dl, dd, ul, ol { margin: 0; padding: 0; }
ul, ol { list-style: none; }
sup { font: 700 max(.3em, 12px)/1 var(--f-mono); color: var(--lime); vertical-align: top; position: relative; top: .3em; margin-left: .3em; letter-spacing: 0; }
:focus-visible { outline: 3px solid var(--lime); outline-offset: 2px; }
#view:focus { outline: none; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: fixed; left: 8px; top: -60px; z-index: 300; background: var(--lime); color: var(--ink); padding: 12px 16px; font: 700 13px var(--f-mono); }
.skip:focus { top: 8px; }
.mono { font: 400 12px/1.4 var(--f-mono); color: var(--mute); text-transform: uppercase; letter-spacing: .04em; }
.lime { color: var(--lime); }
.kicker { font: 700 12px/1 var(--f-mono); letter-spacing: .12em; text-transform: uppercase; display: flex; align-items: center; gap: 10px; color: var(--bone); }
.dot { width: 10px; height: 10px; background: var(--lime); border-radius: 50%; animation: pulse 1.6s infinite; }
@keyframes pulse { 50% { opacity: .25; } }

/* Бегущая строка */
.marquee { background: var(--lime); color: var(--ink); overflow: hidden; height: 36px; border-bottom: 2px solid var(--ink); }
.marquee-track { display: flex; width: max-content; animation: mq 42s linear infinite; }
.mq-set { display: flex; align-items: center; }
.mq-set span { font: 700 12px/36px var(--f-mono); letter-spacing: .14em; white-space: nowrap; padding: 0 14px; }
.mq-set i { font-style: normal; font-size: 12px; }
@keyframes mq { to { transform: translateX(-50%); } }

/* Шапка */
.hd { position: sticky; top: 0; z-index: 50; background: var(--ink); border-bottom: 2px solid var(--bone); }
.hd-in { display: flex; align-items: center; gap: 24px; height: var(--hd); padding: 0 var(--gut); max-width: 1640px; margin: 0 auto; }
.logo { text-decoration: none; font: 900 22px/1 var(--f-head); letter-spacing: -.02em; display: flex; align-items: baseline; min-height: 44px; align-items: center; }
.logo-s { color: var(--lime); }
.hd-nav { display: flex; gap: 4px; margin-left: auto; }
.hd-nav a { text-decoration: none; font: 700 13px/1 var(--f-mono); letter-spacing: .08em; text-transform: uppercase; padding: 0 14px; min-height: 44px; display: inline-flex; align-items: center; gap: 8px; border-bottom: 3px solid transparent; }
.hd-nav a:hover { color: var(--lime); }
.hd-nav a[aria-current] { border-bottom-color: var(--lime); }
.cart-btn { display: inline-flex; align-items: center; gap: 10px; min-height: 44px; padding: 0 16px; border: 2px solid var(--bone); text-decoration: none; font: 700 13px/1 var(--f-mono); letter-spacing: .08em; text-transform: uppercase; background: var(--ink); transition: transform .15s, box-shadow .15s, background .15s; }
.cart-btn:hover { background: var(--lime); color: var(--ink); border-color: var(--lime); box-shadow: 4px 4px 0 var(--bone); transform: translate(-2px, -2px); }
.badge { display: inline-grid; place-items: center; min-width: 22px; height: 22px; padding: 0 6px; background: var(--lime); color: var(--ink); font: 700 11px/1 var(--f-mono); border-radius: 11px; }
.cart-btn:hover .badge { background: var(--ink); color: var(--lime); }
.badge.zero { background: var(--line); color: var(--mute); }
.hd-nav .badge { background: var(--bone); }

/* Кнопки */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-height: 48px; padding: 0 22px; border: 2px solid var(--bone); background: transparent; color: var(--bone); font: 700 13px/1.2 var(--f-mono); letter-spacing: .08em; text-transform: uppercase; text-decoration: none; text-align: center; transition: transform .15s, box-shadow .15s, background .15s, color .15s; }
.btn:hover { background: var(--bone); color: var(--ink); transform: translate(-2px, -2px); box-shadow: 4px 4px 0 var(--lime); }
.btn:active { transform: translate(2px, 2px); box-shadow: none; }
.btn-lime { background: var(--lime); color: var(--ink); border-color: var(--lime); box-shadow: 4px 4px 0 var(--bone); }
.btn-lime:hover { background: var(--lime); box-shadow: 6px 6px 0 var(--bone); }
.btn-xl { min-height: 56px; font-size: 14px; }
.btn-dead { background: #1c1c1c; color: #8a8a84; border-color: #333; cursor: not-allowed; box-shadow: none; }
.btn-dead:hover { transform: none; box-shadow: none; background: #1c1c1c; color: #8a8a84; }
.icon-btn { width: 44px; height: 44px; border: 2px solid var(--bone); background: transparent; font: 400 26px/1 var(--f-body); display: inline-grid; place-items: center; transition: background .15s, color .15s; }
.icon-btn:hover { background: var(--bone); color: var(--ink); }
.link-btn { background: none; border: 0; padding: 10px 0; min-height: 44px; color: var(--mute); font: 400 12px var(--f-mono); text-transform: uppercase; letter-spacing: .06em; text-decoration: underline; text-underline-offset: 3px; }
.link-btn:hover { color: var(--lime); }

/* Формы */
.input, .select { width: 100%; min-height: 48px; padding: 0 14px; background: #101010; border: 2px solid #3d3d3d; color: var(--bone); font: 400 16px var(--f-body); border-radius: 0; appearance: none; -webkit-appearance: none; }
.input::placeholder { color: #77776f; }
.input:hover, .select:hover { border-color: #666; }
.input:focus, .select:focus { border-color: var(--lime); outline: none; box-shadow: 4px 4px 0 var(--lime); }
.select { background-image: linear-gradient(45deg, transparent 50%, var(--bone) 50%), linear-gradient(135deg, var(--bone) 50%, transparent 50%); background-position: calc(100% - 20px) 50%, calc(100% - 14px) 50%; background-size: 6px 6px; background-repeat: no-repeat; padding-right: 36px; }
.select option { background: #101010; color: var(--bone); }
.field { margin-bottom: 18px; }
.field label { display: block; font: 700 12px/1 var(--f-mono); letter-spacing: .1em; text-transform: uppercase; margin-bottom: 8px; }
.field small { display: block; margin-top: 6px; color: var(--mute); font-size: 13px; }
.field.bad .input { border-color: var(--red); }
.field-err { color: #ff8a73; font-size: 13px; min-height: 0; margin-top: 6px; }
.field-err:empty { display: none; }
.integ { font: 400 12px/1.5 var(--f-mono); color: var(--mute); border-left: 3px solid var(--lime); padding: 4px 0 4px 12px; margin-top: 16px; }

/* Состояния */
.empty { text-align: center; padding: 56px 16px 64px; grid-column: 1 / -1; display: flex; flex-direction: column; align-items: center; gap: 12px; }
.empty-big { font: 900 clamp(72px, 14vw, 150px)/1 var(--f-head); color: transparent; -webkit-text-stroke: 2px var(--bone); opacity: .9; }
.empty h3 { font: 900 clamp(20px, 3vw, 28px)/1.1 var(--f-head); text-transform: uppercase; }
.empty p { color: var(--mute); max-width: 420px; margin-bottom: 8px; }
.toast { position: fixed; left: 50%; bottom: 28px; z-index: 400; transform: translate(-50%, 24px); opacity: 0; pointer-events: none; background: var(--bone); color: var(--ink); border: 2px solid var(--ink); box-shadow: 5px 5px 0 var(--lime); padding: 12px 18px; font: 700 13px/1.3 var(--f-mono); display: flex; gap: 16px; align-items: center; width: max-content; max-width: calc(100% - 32px); transition: opacity .2s, transform .2s; }
.toast.on { opacity: 1; transform: translate(-50%, 0); pointer-events: auto; }
.toast a { color: var(--ink); text-underline-offset: 3px; min-height: 24px; }

/* Слой: корзина и быстрый просмотр */
#layer { display: none; }
#layer.on { display: block; position: fixed; inset: 0; z-index: 200; }
.scrim { position: absolute; inset: 0; background: rgba(0, 0, 0, .74); animation: fade .2s; }
@keyframes fade { from { opacity: 0; } }

/* Футер */
.ft { margin-top: 80px; border-top: 2px solid var(--bone); padding: 40px var(--gut) 40px; max-width: 1640px; margin-inline: auto; overflow: hidden; }
.ft-word { font: 900 clamp(48px, 15vw, 230px)/.9 var(--f-head); color: transparent; -webkit-text-stroke: 2px #3a3a3a; letter-spacing: -.04em; white-space: nowrap; margin-bottom: 32px; }
.ft-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.ft h3 { font: 700 12px var(--f-mono); letter-spacing: .12em; text-transform: uppercase; color: var(--lime); margin-bottom: 10px; }
.ft p { color: var(--mute); font-size: 14px; max-width: 420px; }
.ft-copy { margin-top: 32px; font: 400 11px var(--f-mono); text-transform: uppercase; color: #77776f; }

@media (max-width: 1023px) { :root { --gut: 24px; } .ft-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 700px) {
  :root { --gut: 16px; --hd: 56px; }
  body { padding-bottom: calc(64px + env(safe-area-inset-bottom)); }
  .hd-nav { display: none; }
  .hd-in { justify-content: space-between; }
  .logo { font-size: 20px; }
  .cart-btn { display: none; }
  .ft-grid { grid-template-columns: 1fr; gap: 24px; }
  .toast { bottom: calc(76px + env(safe-area-inset-bottom)); }
  body.on-item { padding-bottom: calc(84px + env(safe-area-inset-bottom)); }
  body.on-item .toast { bottom: calc(96px + env(safe-area-inset-bottom)); }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}