/* ---------------------------------------------------------------
   site.css — каркас страниц: шапка, подвал, колонки, разделы.
   Компоненты живут в components.css, значения — в tokens.css.
   --------------------------------------------------------------- */

* { box-sizing: border-box; }

html, body { height: 100%; }

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 21px;
  font-weight: 400;
  color: var(--ink);
  background: var(--void);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: inherit; }

.shell { max-width: var(--container-max); margin: 0 auto; padding: 0 var(--page-gutter); }

/* --- Шапка ------------------------------------------------------- */
.site-head { border-bottom: var(--hairline) solid var(--line); }
.site-head__in { height: 56px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.site-nav { display: flex; align-items: center; gap: 18px; }
.site-nav a {
  font-size: 14px; letter-spacing: -0.01em; color: var(--ink-mid);
  text-decoration: none; white-space: nowrap;
}
.site-nav a:hover { color: var(--ink); }
.site-nav a[aria-current="page"] { color: var(--ink); }

/* --- Подвал ------------------------------------------------------- */
.site-foot { margin-top: auto; border-top: var(--hairline) solid var(--line); padding: 16px 0; }
.site-foot__in { display: flex; align-items: baseline; justify-content: space-between; gap: 28px; flex-wrap: wrap; }
.site-foot__note { font-size: 12px; color: var(--ink-low); }
.site-foot__links { display: flex; gap: 22px; align-items: baseline; }
.site-foot__links a { font-size: 12px; color: var(--ink-mid); text-decoration: none; white-space: nowrap; }
.site-foot__links a:hover { color: var(--ink); }
.site-foot__copy { font-size: 12px; color: var(--ink-low); }

/* --- Страница ------------------------------------------------------ */
.page { display: flex; flex-direction: column; min-height: 100%; }
.main { flex: 1; padding: 28px 0; }
.main--inner { padding: 40px 0 72px; }

.section + .section { margin-top: var(--space-12); }
.section__body { margin-top: var(--space-8); }

.lead { font-size: 15px; line-height: 22px; color: var(--ink-mid); max-width: 62ch; margin: 8px 0 0; }
.prose { max-width: var(--measure-text); }
.prose p { margin: 0 0 12px; color: var(--ink-mid); }
.prose p:last-child { margin-bottom: 0; }
.prose h2 { margin: 28px 0 10px; font-size: 16px; line-height: 22px; font-weight: 500; letter-spacing: -0.01em; color: var(--ink); }
.prose ul { margin: 0 0 12px; padding-left: 18px; color: var(--ink-mid); }
.prose li { margin-bottom: 6px; }
.prose a { color: var(--accent); }

.h1 { margin: 0; font-size: 22px; line-height: 26px; font-weight: 500; letter-spacing: -0.02em; color: var(--ink); }
.muted { font-size: 12px; color: var(--ink-low); }

/* --- Сетки --------------------------------------------------------- */
.shop { display: grid; grid-template-columns: 196px minmax(0, 1fr) 268px; gap: 28px; align-items: start; }
.shop__head { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; margin-bottom: 14px; }
.shop__note { margin: 14px 0 0; font-size: 12px; line-height: 18px; color: var(--ink-low); max-width: 62ch; }

.cols-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-5); }
.cols-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-5); }
.cols-4 { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--space-4); }
.split { display: grid; grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr); gap: var(--space-8); align-items: start; }
.stack { display: grid; gap: var(--space-4); }
.narrow { max-width: 640px; }

/* --- Мобильные ------------------------------------------------------ */
@media (max-width: 1000px) {
  .shop { grid-template-columns: minmax(0, 1fr); }
  .shop aside { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
  .cols-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .split { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 720px) {
  :root { --page-gutter: 16px; }
  .vp-grid { grid-template-columns: minmax(0, 1fr); }
  .cols-2, .cols-3, .cols-4 { grid-template-columns: minmax(0, 1fr); }
  .shop aside { grid-template-columns: minmax(0, 1fr); }
  .vp-steps { grid-template-columns: minmax(0, 1fr); }
  .vp-timeline { grid-auto-flow: row; }
  .site-head__in { height: auto; padding: 10px 0; flex-wrap: wrap; gap: 10px 16px; }
  .site-nav { gap: 14px; overflow-x: auto; -webkit-overflow-scrolling: touch; scrollbar-width: none; }
  .site-nav::-webkit-scrollbar { display: none; }
  .site-nav a { font-size: 13px; }
  .site-foot__in { gap: 14px; }
  .site-foot__links { gap: 16px; flex-wrap: wrap; }
}

:focus-visible { outline: 2px solid var(--focus-ring); outline-offset: 2px; }

/* ================= ARCSHOP / Arclight visual integration ================= */
html { color-scheme: dark; background: var(--ground); scroll-behavior: smooth; }
html[data-theme="day"] { color-scheme: light; }
body.arcshop-scope,
body.vp-scope {
  min-height: 100%;
  margin: 0;
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 23px;
  color: var(--ink);
  background:
    linear-gradient(rgba(255,255,255,.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.018) 1px, transparent 1px),
    var(--ground);
  background-size: 48px 48px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
html[data-theme="day"] body.arcshop-scope,
html[data-theme="day"] body.vp-scope {
  background:
    linear-gradient(rgba(10,16,32,.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(10,16,32,.025) 1px, transparent 1px),
    var(--ground);
  background-size: 48px 48px;
}

.shell { max-width: 1200px; padding: 0 24px; }
.page { min-height: 100vh; }
.main { padding: 0; }
.main--inner { padding: 64px 0 96px; }
.h1,
.vp-head__title,
.app-title-row h1,
.about-copy h1,
.payment-page-title,
.product-main h1 {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.025em;
}
.h1 { font-size: 34px; line-height: 38px; }
.lead { font-size: 17px; line-height: 27px; color: var(--ink-muted); }
.muted { color: var(--ink-faint); }

/* Header */
.site-head {
  position: sticky;
  top: 0;
  z-index: 70;
  border-bottom: 1px solid color-mix(in srgb, var(--line) 86%, transparent);
  background: color-mix(in srgb, var(--ground) 82%, transparent);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}
.site-head__in {
  height: 68px;
  gap: 24px;
}
.arcshop-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  text-decoration: none;
  flex: 0 0 auto;
}
.arcshop-brand img { width: 30px; height: 30px; display: block; }
.arcshop-brand b {
  font-family: var(--font-display);
  font-size: 16px;
  line-height: 1;
  font-weight: 800;
  letter-spacing: .05em;
}
.site-nav { margin-left: auto; display: flex; align-items: center; gap: 4px; }
.site-nav a {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 0 12px;
  border-radius: var(--radius-pill);
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-muted);
  text-decoration: none;
}
.site-nav a:hover { color: var(--ink); background: var(--surface-hover); }
.site-nav a[aria-current="page"] { color: var(--arc-text); background: var(--arc-soft); }
.arcshop-head-side { display: flex; align-items: center; gap: 8px; flex: 0 0 auto; }
.arcshop-theme {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  background: var(--surface);
  color: var(--ink-muted);
  cursor: pointer;
  box-shadow: var(--shadow-sm);
}
.arcshop-theme:hover { color: var(--ink); border-color: var(--line-strong); }
.arcshop-theme svg { width: 18px; height: 18px; }
.arcshop-theme .sun { display: none; }
html[data-theme="day"] .arcshop-theme .moon { display: none; }
html[data-theme="day"] .arcshop-theme .sun { display: block; }

/* Homepage hero from the supplied Arclight concept. */
.arcshop-hero {
  position: relative;
  overflow: hidden;
  padding: 96px 0 72px;
  border-bottom: 1px solid var(--line);
}
.arcshop-hero__glow,
.arcshop-hero__glow2 { position: absolute; pointer-events: none; border-radius: 50%; filter: blur(16px); }
.arcshop-hero__glow {
  width: 620px; height: 620px; right: -150px; top: -180px;
  background: radial-gradient(circle, rgba(41,224,245,.18), rgba(41,224,245,.035) 44%, transparent 70%);
}
.arcshop-hero__glow2 {
  width: 430px; height: 430px; left: -190px; bottom: -260px;
  background: radial-gradient(circle, rgba(255,61,158,.12), transparent 72%);
}
.arcshop-hero__arcs {
  position: absolute;
  width: 1050px;
  height: 1050px;
  right: -265px;
  top: -300px;
  pointer-events: none;
  opacity: .88;
}
.arcshop-hero__arcs circle { fill: none; stroke: var(--grid); stroke-width: 1.5; }
.arcshop-hero__arcs circle:nth-child(4),
.arcshop-hero__arcs circle:nth-child(6) { stroke: var(--arc); opacity: .34; }
.arcshop-hero__in {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 380px;
  gap: 72px;
  align-items: center;
}
.arcshop-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 14px;
  font-weight: 600;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--arc-text);
}
.arcshop-eyebrow::before { content: ""; width: 18px; height: 2px; border-radius: 99px; background: var(--arc); }
.arcshop-hero h1 {
  margin: 18px 0 0;
  font-family: var(--font-display);
  font-size: clamp(46px, 6vw, 72px);
  line-height: .94;
  font-weight: 800;
  letter-spacing: -.04em;
  text-transform: uppercase;
}
.arcshop-hero h1 em { font-style: normal; color: var(--arc-text); }
.arcshop-hero h1 small {
  display: block;
  margin-top: 18px;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 18px;
  letter-spacing: .16em;
  font-weight: 600;
  color: var(--ink-faint);
}
.arcshop-hero__lead { margin: 24px 0 0; max-width: 48ch; font-size: 17px; line-height: 27px; color: var(--ink-muted); }
.arcshop-hero__lead strong { color: var(--ink); font-weight: 600; }
.arcshop-hero__actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.arcshop-hero__trust { display: flex; flex-wrap: wrap; gap: 22px; margin-top: 30px; color: var(--ink-muted); font-size: 13px; }
.arcshop-hero__trust span { display: inline-flex; align-items: center; gap: 8px; }
.arcshop-hero__trust i { width: 7px; height: 7px; border-radius: 50%; background: var(--arc); box-shadow: 0 0 14px rgba(41,224,245,.75); }
.arcshop-hero__panel {
  position: relative;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background: linear-gradient(180deg, color-mix(in srgb, var(--surface-raised) 96%, transparent), var(--surface));
  box-shadow: var(--shadow-lg);
}
.arcshop-hero__panel::before {
  content: "";
  position: absolute;
  inset: -1px;
  padding: 1px;
  border-radius: inherit;
  background: linear-gradient(145deg, var(--arc-line), transparent 45%, transparent 68%, var(--pulse-soft));
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}
.arcshop-hero__panel .panel-kicker { font-family: var(--font-mono); font-size: 11px; letter-spacing: .16em; text-transform: uppercase; color: var(--ink-faint); }
.arcshop-hero__panel strong { display: block; margin-top: 10px; font-family: var(--font-display); font-size: 26px; line-height: 32px; }
.arcshop-hero__panel p { margin: 10px 0 0; color: var(--ink-muted); }
.arcshop-hero__panel ul { list-style: none; padding: 0; margin: 24px 0 0; display: grid; gap: 12px; }
.arcshop-hero__panel li { display: flex; align-items: center; justify-content: space-between; gap: 18px; padding-top: 12px; border-top: 1px solid var(--line); color: var(--ink-muted); font-size: 13px; }
.arcshop-hero__panel li b { margin: 0; font-family: var(--font-mono); font-size: 13px; color: var(--ink); }
.arcshop-hero__panel .pulse { color: var(--ok-text); }

/* Main catalog layout */
.shop { grid-template-columns: 210px minmax(0, 1fr) 310px; gap: 28px; padding-top: 72px; padding-bottom: 24px; }
.shop__head { margin-bottom: 18px; }
.shop__note { color: var(--ink-faint); }
.section + .section { margin-top: 0; }
.section { padding: 88px 0; border-top: 1px solid var(--line); }
.section__body { margin-top: 34px; }
.cols-4 { gap: 16px; }
.cols-3 { gap: 16px; }
.split { gap: 32px; }
.narrow { max-width: 720px; }

/* Footer */
.site-foot {
  margin-top: 72px;
  padding: 48px 0 28px;
  border-top: 1px solid var(--line);
  background: color-mix(in srgb, var(--surface-inset) 72%, transparent);
}
.site-foot__in { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 32px; align-items: start; }
.arcshop-foot-brand p { max-width: 34ch; margin: 16px 0 0; color: var(--ink-muted); font-size: 14px; line-height: 21px; }
.arcshop-foot-col h4 { margin: 0 0 12px; font-family: var(--font-mono); font-size: 11px; letter-spacing: .14em; text-transform: uppercase; color: var(--ink-faint); }
.arcshop-foot-col a { display: block; padding: 4px 0; font-size: 14px; color: var(--ink-muted); text-decoration: none; }
.arcshop-foot-col a:hover { color: var(--arc-text); }
.arcshop-foot-bottom { grid-column: 1 / -1; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; padding-top: 24px; margin-top: 16px; border-top: 1px solid var(--line); font-size: 12px; color: var(--ink-faint); }

/* Inner pages */
.page-head { padding: 64px 0 32px; }
.page-head h1,
.app-title-row h1 { font-family: var(--font-display); font-size: clamp(34px, 5vw, 48px); line-height: 1; font-weight: 800; letter-spacing: -.03em; }
.page-head p,
.app-title-row p { color: var(--ink-muted); font-size: 16px; line-height: 25px; }

@media (max-width: 1080px) {
  .arcshop-hero__in { grid-template-columns: minmax(0, 1fr); gap: 40px; }
  .arcshop-hero__panel { max-width: 620px; }
  .shop { grid-template-columns: minmax(0, 1fr); }
  .shop aside { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .site-foot__in { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 780px) {
  .shell { padding: 0 16px; }
  .site-head__in { min-height: 64px; height: auto; padding: 10px 0; flex-wrap: wrap; }
  .site-nav { order: 3; width: 100%; overflow-x: auto; scrollbar-width: none; padding-bottom: 2px; }
  .site-nav::-webkit-scrollbar { display: none; }
  .site-nav a { padding: 0 10px; font-size: 13px; }
  .arcshop-head-side .arcshop-buy { display: none; }
  .arcshop-hero { padding: 58px 0 48px; }
  .arcshop-hero__arcs { width: 760px; height: 760px; top: -230px; right: -360px; }
  .arcshop-hero h1 { font-size: 42px; line-height: .98; }
  .arcshop-hero__trust { gap: 14px; }
  .shop { padding-top: 48px; }
  .shop aside { grid-template-columns: minmax(0, 1fr); }
  .section { padding: 64px 0; }
  .site-foot__in { grid-template-columns: minmax(0, 1fr); }
  .arcshop-foot-bottom { flex-direction: column; }
}