/* Glass About / Contact mockups (preview routes only: /preview/about-a … /ru/preview/contact-b).
   Same Liquid Glass material as the theme switch, arrows and pills: --g-bg*, --g-rim, --g-blur, --g-shadow from style.css.
   A faint colour field sits behind the top of the page so the glass has something to refract. */

html:has(.gp), html:has(.gp) body { overflow-x: clip; }   /* the colour field runs full width */
.gp { position: relative; isolation: isolate; padding-bottom: 56px; }
.gp::before {
  content: ""; position: absolute; z-index: -1; pointer-events: none;
  left: calc(50% - 50vw); right: calc(50% - 50vw); top: -40px; height: 640px;
  background:
    radial-gradient(38% 46% at 12% 28%, rgba(10,132,255,.20), transparent 70%),
    radial-gradient(34% 44% at 88% 18%, rgba(175,82,222,.16), transparent 70%),
    radial-gradient(30% 36% at 62% 78%, rgba(255,149,0,.12), transparent 70%);
  -webkit-mask-image: linear-gradient(#000 55%, transparent); mask-image: linear-gradient(#000 55%, transparent);
}
[data-theme="dark"] .gp::before {
  background:
    radial-gradient(38% 46% at 12% 28%, rgba(10,132,255,.30), transparent 70%),
    radial-gradient(34% 44% at 88% 18%, rgba(175,82,222,.24), transparent 70%),
    radial-gradient(30% 36% at 62% 78%, rgba(255,149,0,.12), transparent 70%);
}

.gp-card {
  background: var(--g-bg-thick);
  -webkit-backdrop-filter: var(--g-blur); backdrop-filter: var(--g-blur);
  border: 1px solid var(--g-rim); border-radius: 22px; box-shadow: var(--g-shadow);
}
[data-theme="dark"] .gp-card { background: rgba(36,36,38,.6); }

/* pressable glass: lifts on hover, springs back on press (same curve as .btn) */
.gp-press { transition: transform .35s var(--g-spring), background-color .2s, box-shadow .2s; -webkit-tap-highlight-color: transparent; }
@media (hover: hover) { .gp-press:hover { transform: translateY(-2px); background: var(--g-bg-pop); } }
.gp-press:active { transform: scale(.97); transition-duration: .08s; }
.gp-press:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

.gp-ico {
  width: 40px; height: 40px; border-radius: 12px; flex: none;
  display: inline-flex; align-items: center; justify-content: center; color: var(--accent);
  background: linear-gradient(180deg, rgba(255,255,255,.95), rgba(255,255,255,.6));
  box-shadow: var(--g-thumb-shadow);
}
[data-theme="dark"] .gp-ico { background: var(--g-thumb); color: #4ea4ff; }
.gp-avs { font: 800 10px/1 var(--font); letter-spacing: .04em; border: 1.5px solid currentColor; border-radius: 5px; padding: 3px 4px; }

/* brand tints for channel glyphs */
.gp-tg { --tint: #229ed9; } .gp-wa { --tint: #1fae55; } .gp-dc { --tint: #5865f2; } .gp-avs-c { --tint: #fff; }
[data-theme="dark"] .gp-tg { --tint: #3db4ee; } [data-theme="dark"] .gp-wa { --tint: #34d36c; }
[data-theme="dark"] .gp-dc { --tint: #8891ff; } [data-theme="dark"] .gp-avs-c { --tint: #3a3a3c; }

/* form fields: iOS fill instead of a bordered box */
.gp-form .form-group { gap: 6px; }
.gp-form label { font-size: 13px; font-weight: 600; color: var(--text-3); letter-spacing: .01em; }
.gp-form input, .gp-form textarea {
  background: rgba(118,118,128,.10); border: 1px solid transparent; border-radius: 12px;
  padding: 11px 14px; font-size: 16px; color: var(--text); font-family: var(--font);
  transition: border-color .15s, box-shadow .15s, background-color .15s; resize: vertical; width: 100%; box-sizing: border-box;
}
[data-theme="dark"] .gp-form input, [data-theme="dark"] .gp-form textarea { background: rgba(118,118,128,.22); }
.gp-form input:focus, .gp-form textarea:focus {
  outline: none; border-color: var(--accent); background: var(--surface); box-shadow: 0 0 0 4px rgba(0,122,255,.15);
}
.gp-form .btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; }
.gp-form .form-status:empty { display: none; }

/* ============ About A: bento ============ */
.ga { padding-top: 28px; }
.ga-hero { padding: 30px 34px 28px; margin-bottom: 30px; }
.ga-hero h1 { font-size: 40px; line-height: 1.1; letter-spacing: -.015em; margin: 0 0 12px; }
.ga-hero p { font-size: 18.5px; line-height: 1.55; color: var(--text-2); margin: 0; max-width: 820px; text-wrap: pretty; }
.ga-sec { margin-top: 30px; }
.ga-sec > h2 { font-size: 24px; letter-spacing: -.01em; margin: 0 0 6px; }
.ga-sec > p { color: var(--text-2); font-size: 16px; line-height: 1.6; margin: 0 0 14px; max-width: 760px; }
.ga-grid { display: grid; gap: 12px; grid-template-columns: repeat(6, 1fr); }
.ga-tile { grid-column: span 2; padding: 18px 18px 16px; display: flex; flex-direction: column; gap: 10px; }
.ga-tile:nth-child(n+4) { grid-column: span 3; }
.ga-tile h3 { font-size: 16.5px; margin: 2px 0 0; }
.ga-tile p { margin: 0; font-size: 14.5px; line-height: 1.5; color: var(--text-2); }
.ga-note { margin-top: 14px; padding: 16px 18px; display: flex; gap: 14px; align-items: flex-start; font-size: 15px; line-height: 1.55; color: var(--text-2); }
.ga-note .gp-ico { width: 32px; height: 32px; border-radius: 10px; }
.ga-note a, .ga-touch a { font-weight: 600; }
.ga-touch { padding: 18px 20px; display: flex; gap: 16px; align-items: center; }
.ga-touch p { margin: 0; flex: 1; font-size: 15.5px; line-height: 1.55; color: var(--text-2); }
.ga-dock { display: flex; gap: 8px; flex: none; }
.ga-dock a {
  width: 44px; height: 44px; border-radius: 14px; display: inline-flex; align-items: center; justify-content: center;
  color: var(--tint); background: var(--g-bg); border: 1px solid var(--g-rim); box-shadow: var(--g-shadow);
}
@media (max-width: 860px) {
  .ga-grid { grid-template-columns: 1fr 1fr; }
  .ga-tile, .ga-tile:nth-child(n+4) { grid-column: span 1; }
  .ga-tile:last-child:nth-child(odd) { grid-column: span 2; }
}
@media (max-width: 600px) {
  .ga { padding-top: 16px; }
  .ga-hero { padding: 22px 20px 20px; margin-bottom: 22px; border-radius: 20px; }
  .ga-hero h1 { font-size: 30px; }
  .ga-hero p { font-size: 16.5px; }
  .ga-sec { margin-top: 22px; }
  .ga-sec > h2 { font-size: 21px; }
  .ga-grid { grid-template-columns: 1fr; gap: 8px; }
  .ga-tile, .ga-tile:nth-child(n+4), .ga-tile:last-child:nth-child(odd) { grid-column: auto; flex-direction: row; align-items: flex-start; gap: 12px; padding: 14px; border-radius: 18px; }
  .ga-tile .gp-ico { width: 36px; height: 36px; border-radius: 11px; }
  .ga-touch { flex-direction: column; align-items: stretch; }
  .ga-dock { justify-content: space-between; }
  .ga-dock a { flex: 1; }
}

/* ============ About B: split, iOS inset-grouped sheet ============ */
.gb { padding-top: 40px; display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 40px; align-items: start; }
.gb-side { position: sticky; top: 88px; }
.gb-side h1 { font-size: 44px; line-height: 1.05; letter-spacing: -.02em; margin: 0 0 14px; }
.gb-side p { font-size: 18px; line-height: 1.6; color: var(--text-2); margin: 0; text-wrap: pretty; }
.gb-main { display: flex; flex-direction: column; gap: 26px; }
.gb-cap { font-size: 13px; font-weight: 600; text-transform: uppercase; letter-spacing: .06em; color: var(--text-3); margin: 0 0 8px 18px; }
.gb-intro { font-size: 15px; line-height: 1.55; color: var(--text-2); margin: 0 18px 10px; }
.gb-group { overflow: hidden; }
.gb-row { display: flex; gap: 14px; align-items: flex-start; padding: 14px 18px; position: relative; color: var(--text); text-decoration: none; }
.gb-row + .gb-row::before { content: ""; position: absolute; top: 0; right: 0; left: 64px; border-top: .5px solid var(--border); }
[data-theme="dark"] .gb-row + .gb-row::before { border-top-color: rgba(255,255,255,.1); }
.gb-sq { width: 32px; height: 32px; border-radius: 9px; flex: none; display: inline-flex; align-items: center; justify-content: center; color: #fff; background: var(--sq, var(--accent));
  box-shadow: inset 0 1px 0 rgba(255,255,255,.35), 0 1px 2px rgba(0,0,0,.15); }
.gb-sq svg { width: 19px; height: 19px; }
.gb-row > div { flex: 1; min-width: 0; }
.gb-row b { display: block; font-size: 16px; margin-bottom: 2px; }
.gb-row span.t { display: block; font-size: 14.5px; line-height: 1.5; color: var(--text-2); }
.gb-row--link { align-items: center; transition: background-color .15s; }
.gb-row--link span.t { color: var(--text-3); font-size: 13.5px; }
@media (hover: hover) { .gb-row--link:hover { background: rgba(118,118,128,.10); } }
.gb-row--link:active { background: rgba(118,118,128,.18); }
.gb-row--link .gb-sq { background: var(--tint); }
.gb-row--link .gb-sq .gp-avs { color: #fff; }
.gb-row .gb-note { font-size: 13px; color: var(--text-3); white-space: nowrap; }
.gb-row .gb-chev { color: var(--text-3); opacity: .6; flex: none; margin-left: 8px; }
.gb-row .gb-note + .gb-chev { margin-left: 10px; }
.gb-foot { font-size: 14px; line-height: 1.55; color: var(--text-3); margin: 10px 18px 0; }
.gb-foot a { font-weight: 600; }
.gb-callout { padding: 16px 18px; font-size: 15px; line-height: 1.55; color: var(--text-2); display: flex; gap: 12px; }
.gb-callout .gb-sq { --sq: #8e8e93; }
@media (max-width: 860px) {
  .gb { grid-template-columns: 1fr; gap: 24px; padding-top: 20px; }
  .gb-side { position: static; }
  .gb-side h1 { font-size: 32px; }
  .gb-side p { font-size: 16.5px; }
  .gb-main { gap: 22px; }
  .gb-group { border-radius: 18px; }
  .gb-row { padding: 12px 14px; gap: 12px; }
  .gb-row + .gb-row::before { left: 58px; }
  .gb-cap, .gb-intro, .gb-foot { margin-left: 14px; margin-right: 14px; }
}

/* ============ Contact A: no avatar, channels lead ============ */
.ca { padding-top: 36px; }
.ca-head { max-width: 760px; margin-bottom: 22px; }
.ca-head h1 { font-size: 40px; letter-spacing: -.015em; line-height: 1.1; margin: 0 0 10px; }
.ca-head p { font-size: 18px; line-height: 1.55; color: var(--text-2); margin: 0; text-wrap: pretty; }
.ca-who { margin-top: 10px !important; font-size: 14px !important; color: var(--text-3) !important; }
.ca-who b { color: var(--text); font-weight: 600; }
.ca-ch { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-bottom: 18px; }
.ca-tile { position: relative; padding: 16px 16px 14px; color: var(--text); text-decoration: none; display: flex; flex-direction: column; gap: 12px; min-height: 120px; }
.ca-tile .gp-ico { color: var(--tint); }
.ca-tile b { display: block; font-size: 16px; }
.ca-tile span.s { display: block; font-size: 13px; color: var(--text-3); margin-top: 2px; overflow-wrap: anywhere; }
.ca-tile .ca-go { position: absolute; top: 14px; right: 14px; color: var(--text-3); transition: color .2s, transform .35s var(--g-spring); }
@media (hover: hover) { .ca-tile:hover .ca-go { color: var(--tint); transform: translate(2px,-2px); } }
.ca-pill { position: absolute; top: 14px; right: 36px; font-size: 11.5px; font-weight: 600; padding: 3px 8px; border-radius: 999px;
  color: var(--tint); background: color-mix(in srgb, var(--tint) 14%, transparent); }
.ca-row { display: grid; grid-template-columns: minmax(0, 2fr) minmax(0, 1fr); gap: 12px; align-items: start; }
.ca-form { padding: 22px; display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.ca-form .form-group:nth-of-type(n+3) { grid-column: 1 / -1; }
.ca-form .ca-send { grid-column: 1 / -1; display: flex; align-items: center; gap: 14px; }
.ca-info { display: flex; flex-direction: column; gap: 12px; }
.ca-info > div { padding: 16px 18px; display: flex; gap: 12px; align-items: flex-start; }
.ca-info .gp-ico { width: 32px; height: 32px; border-radius: 10px; }
.ca-info b { display: block; font-size: 12px; text-transform: uppercase; letter-spacing: .06em; color: var(--text-3); margin-bottom: 3px; }
.ca-info b + span { font-size: 15px; line-height: 1.45; color: var(--text-2); }
@media (max-width: 900px) {
  .ca-ch { grid-template-columns: 1fr 1fr; }
  .ca-row { grid-template-columns: 1fr; }
  .ca-info { flex-direction: row; } .ca-info > div { flex: 1; }
}
@media (max-width: 600px) {
  .ca { padding-top: 18px; }
  .ca-head h1 { font-size: 30px; }
  .ca-head p { font-size: 16.5px; }
  .ca-ch { gap: 8px; margin-bottom: 12px; }
  .ca-tile { min-height: 0; padding: 12px; gap: 10px; border-radius: 18px; }
  .ca-tile .gp-ico { width: 36px; height: 36px; border-radius: 11px; }
  .ca-tile b { font-size: 15px; }
  .ca-pill { top: 12px; right: 12px; }
  .ca-tile .ca-go { display: none; }
  .ca-form { grid-template-columns: 1fr; padding: 18px; gap: 12px; border-radius: 20px; }
  .ca-form .form-group { grid-column: auto !important; }
  .ca-form .ca-send { flex-direction: column; align-items: stretch; }
  .ca-info { flex-direction: column; gap: 8px; }
  .ca-info > div { padding: 12px 14px; border-radius: 18px; }
}

/* ============ Contact B: one glass sheet, beam glyph, list + form ============ */
.cb { padding-top: 0; }
.cb-sheet { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr); overflow: hidden; }
.cb-me { padding: 24px; border-right: .5px solid var(--border); }
[data-theme="dark"] .cb-me { border-right-color: rgba(255,255,255,.1); }
.cb-who { display: flex; gap: 14px; align-items: center; margin-bottom: 12px; }
.cb-glyph svg { width: 34px; height: 34px; }
.cb-glyph {
  width: 52px; height: 52px; border-radius: 16px; flex: none; display: inline-flex; align-items: center; justify-content: center;
  color: var(--accent); background: linear-gradient(160deg, rgba(255,255,255,.95), rgba(255,255,255,.55));
  box-shadow: var(--g-thumb-shadow), 0 6px 18px rgba(0,122,255,.18);
}
[data-theme="dark"] .cb-glyph { background: var(--g-thumb); color: #4ea4ff; box-shadow: var(--g-thumb-shadow), 0 6px 18px rgba(10,132,255,.25); }
.cb-who b { display: block; font-size: 18px; }
.cb-who > div span { font-size: 13px; color: var(--text-3); }
.cb-text { font-size: 15.5px; line-height: 1.55; color: var(--text-2); margin: 0 0 14px; }
.cb-list { border-radius: 16px; background: rgba(118,118,128,.08); overflow: hidden; }
[data-theme="dark"] .cb-list { background: rgba(118,118,128,.16); }
.cb-list a { display: flex; align-items: center; gap: 12px; padding: 10px 14px; color: var(--text); text-decoration: none; position: relative; transition: background-color .15s; }
.cb-list a + a::before { content: ""; position: absolute; top: 0; right: 0; left: 56px; border-top: .5px solid var(--border); }
[data-theme="dark"] .cb-list a + a::before { border-top-color: rgba(255,255,255,.1); }
@media (hover: hover) { .cb-list a:hover { background: rgba(118,118,128,.12); } }
.cb-list a:active { background: rgba(118,118,128,.2); }
.cb-list a:focus-visible { outline: 2px solid var(--accent); outline-offset: -2px; }
.cb-list i { width: 30px; height: 30px; border-radius: 9px; flex: none; display: inline-flex; align-items: center; justify-content: center; font-style: normal; color: #fff; background: var(--tint);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.35), 0 1px 2px rgba(0,0,0,.15); }
[data-theme="dark"] .cb-list .gp-avs-c i { color: #1c1c1e; }
.cb-list a > div { flex: 1; min-width: 0; }
.cb-list b { display: block; font-size: 15px; }
.cb-list span.s { display: block; font-size: 12.5px; color: var(--text-3); }
.cb-list em { margin-left: auto; font-style: normal; font-size: 13px; color: var(--text-3); }
.cb-list .gb-chev { color: var(--text-3); opacity: .6; flex: none; }
.cb-list em:empty { display: none; }
.cb-list em:empty + .gb-chev { margin-left: auto; }
.cb-info { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 16px; }
.cb-info > div + div { justify-self: end; }
.cb-info b { display: flex; align-items: center; gap: 6px; font-size: 12px; text-transform: uppercase; letter-spacing: .06em; color: var(--text-3); margin-bottom: 4px; }
.cb-info span { font-size: 14px; line-height: 1.45; color: var(--text-2); }
.cb-form { padding: 24px; display: flex; flex-direction: column; gap: 14px; }
.cb-form textarea { min-height: 128px; }
.cb-form .btn { align-self: stretch; }
@media (max-width: 860px) {
  .cb-sheet { grid-template-columns: 1fr; }
  .cb-me { border-right: 0; border-bottom: .5px solid var(--border); }
  [data-theme="dark"] .cb-me { border-bottom-color: rgba(255,255,255,.1); }
}
@media (max-width: 600px) {
  .cb { padding-top: 18px; }
  .cb h1 { font-size: 30px; margin-bottom: 14px; }
  .cb-sheet { border-radius: 20px; }
  .cb-me, .cb-form { padding: 18px; }
  .cb-glyph { width: 46px; height: 46px; border-radius: 14px; }
  .cb-info { grid-template-columns: 1fr; gap: 10px; }
  .cb-info > div + div { justify-self: start; }
}

@media (prefers-reduced-motion: reduce) {
  .gp-press, .gp-press:hover, .gp-press:active, .ca-tile .ca-go { transition: none; transform: none !important; }
}
@media (prefers-reduced-transparency: reduce) {
  .gp::before { display: none; }
  .gp-card, [data-theme="dark"] .gp-card, .ga-dock a { -webkit-backdrop-filter: none; backdrop-filter: none; background: var(--surface); }
}
.cb-form .ca-send { display: flex; flex-direction: column; gap: 10px; }
[data-theme="dark"] .gb-row--link.gp-avs-c .gb-sq .gp-avs { color: #1c1c1e; }