/* =============================================================================
   Аялалын цогц систем — product page (light sky theme)
   Third sibling: drifting clouds, a flight route with a plane on it, boarding-
   pass solution cards and a live seat map.
   ========================================================================== */

:root {
  --kt-accent: #F94803;
  /* The brand orange is a fill, not a text colour, on light ground. Both
     siblings computed rather than eyeballed: >=4.5:1 everywhere they are used. */
  --accent-ink: #C73A02;      /* accent as small text */
  --accent-strong: #D93F03;   /* accent behind white text */

  --bg: #F3F7FC;
  --hero-grad: linear-gradient(180deg, #E7F0FA 0%, #F3F7FC 70%);
  --band: #E9F0F8;
  --card: #FFFFFF;
  --ink: #17263C;
  --ink-2: #3D4E68;
  --mut: #5B6B82;
  /* Handoff soft is #8595AB (2.84:1 here) — lifted to clear AA. */
  --soft: #616D7D;
  --line: rgba(23, 38, 60, .1);
  --line-2: rgba(23, 38, 60, .06);
  --tint: rgba(249, 72, 3, .07);
  --tint-2: rgba(249, 72, 3, .22);
  --tint-3: rgba(249, 72, 3, .42);
  --green: #23A55A;
  --shadow: 0 8px 26px rgba(23, 38, 60, .05);
  --shadow-lift: 0 16px 40px rgba(23, 38, 60, .1);
  --pad-x: clamp(20px, 5vw, 72px);
  --pad-y: clamp(70px, 11vh, 130px);
  --maxw: 1160px;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; }

body {
  margin: 0; background: var(--bg); color: var(--ink);
  font-family: 'Manrope', 'Helvetica Neue', system-ui, sans-serif;
  -webkit-font-smoothing: antialiased; overflow-x: clip;
}
h1, h2, h3, p, ul, ol, dl, dd, dt, figure { margin: 0; }
ul, ol { padding: 0; list-style: none; }
a { color: var(--ink); text-decoration: none; transition: color .2s; }
a:hover { color: var(--accent-ink); }
img { max-width: 100%; display: block; }
button { font: inherit; }
::selection { background: var(--kt-accent); color: #FFF; }
:focus-visible { outline: 2px solid var(--accent-ink); outline-offset: 3px; }

.t-skip {
  position: fixed; top: 10px; left: 10px; z-index: 300;
  padding: 10px 18px; border-radius: 999px;
  background: var(--accent-strong); color: #FFF; font-weight: 800; font-size: 13px;
  transform: translateY(-160%); transition: transform .3s;
}
.t-skip:focus-visible { transform: translateY(0); color: #FFF; }

.t-progress { position: fixed; inset: 0 0 auto 0; z-index: 70; height: 2px; pointer-events: none; }
.t-progress i { display: block; height: 100%; width: 0; background: var(--kt-accent); }

/* ---------- Nav ---------------------------------------------------------- */
.t-nav {
  position: fixed; inset: 0 0 auto 0; z-index: 60;
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; padding: 12px var(--pad-x);
  background: transparent; border-bottom: 1px solid transparent;
  transition: background .35s, border-color .35s;
}
.t-nav.is-scrolled {
  background: rgba(243, 247, 252, .82); border-bottom-color: var(--line);
  -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px);
}
.t-logo { display: block; width: clamp(84px, 10vw, 104px); color: var(--ink); }
.t-logo svg { width: 100%; height: auto; display: block; }
.t-nav__links { display: flex; align-items: center; gap: clamp(12px, 2.4vw, 26px); font-size: 13.5px; font-weight: 700; }
.t-nav__back { color: var(--mut); }
.t-lang { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; font-weight: 800; letter-spacing: .08em; color: rgba(23,38,60,.26); }
.t-lang a { color: var(--mut); }
.t-lang a[aria-current] { color: var(--ink); cursor: default; }
.t-pill {
  padding: 9px 18px; border-radius: 999px;
  background: var(--accent-strong); color: #FFF;
  transition: filter .2s, transform .2s;
}
.t-pill:hover { color: #FFF; filter: brightness(1.08); transform: translateY(-1px); }

/* ---------- Section furniture -------------------------------------------- */
.t-sec { padding: var(--pad-y) var(--pad-x); position: relative; }
.t-sec--band { background: var(--band); }
.t-sec > *, .t-hero__inner, .t-stats { max-width: var(--maxw); margin-inline: auto; }

.t-over {
  display: flex; align-items: center; gap: 13px;
  font-size: clamp(11px, 1.3vw, 13px); font-weight: 800;
  letter-spacing: .2em; text-transform: uppercase; color: var(--accent-ink);
}
.t-over i { width: 28px; height: 2px; background: var(--kt-accent); flex: none; }

.t-h1 { margin-top: clamp(16px, 2.6vh, 26px); font-size: clamp(32px, 5.6vw, 70px); font-weight: 800; line-height: 1.08; letter-spacing: -.025em; }
.t-h1 b { color: var(--accent-ink); font-weight: inherit; }
.t-mask { display: block; overflow: hidden; padding-bottom: .08em; margin-bottom: -.08em; }
.t-mask > span { display: block; will-change: transform; }

.t-h2 { margin-top: clamp(14px, 2.4vh, 24px); font-size: clamp(25px, 4.2vw, 50px); font-weight: 800; line-height: 1.15; letter-spacing: -.02em; text-wrap: balance; }
.t-dim { color: var(--soft); }
.t-lead { margin-inline: 0 auto; margin-top: clamp(14px, 2.2vh, 20px); max-width: 64ch; color: var(--mut); font-size: clamp(14px, 1.7vw, 16.5px); line-height: 1.7; }

.t-pending {
  display: inline-block; padding: 2px 9px; border: 1px dashed var(--tint-3);
  border-radius: 999px; font-size: 11px; font-weight: 800; letter-spacing: .1em;
  color: var(--accent-ink); vertical-align: middle;
}
.t-pending[data-on=""] { display: none; }

/* ---------- Hero --------------------------------------------------------- */
.t-hero { position: relative; overflow: hidden; background: var(--hero-grad); padding: clamp(110px, 15vh, 168px) var(--pad-x) clamp(34px, 5.5vh, 62px); }
.t-cloud {
  position: absolute; border-radius: 50%; pointer-events: none;
  background: radial-gradient(circle, rgba(255,255,255,.9) 0%, rgba(255,255,255,0) 68%);
  filter: blur(6px);
}
.t-cloud--1 { width: min(46vw, 480px); aspect-ratio: 2/1; top: 6%;  left: -8%;  animation: t-cloud 18s ease-in-out infinite alternate; }
.t-cloud--2 { width: min(38vw, 400px); aspect-ratio: 2/1; top: 44%; right: -6%; animation: t-cloud 16s ease-in-out infinite alternate-reverse; }
.t-cloud--3 { width: min(30vw, 320px); aspect-ratio: 2/1; bottom: 4%; left: 32%; animation: t-cloud 20s ease-in-out infinite alternate; }
.t-hero__inner { position: relative; display: grid; gap: clamp(30px, 5vw, 58px); align-items: center; }
@media (min-width: 900px) { .t-hero__inner { grid-template-columns: 1fr 1fr; } }

.t-badge {
  display: inline-flex; align-items: center; gap: 9px; margin-top: 16px;
  padding: 8px 16px; border: 1px solid var(--line); border-radius: 999px;
  background: var(--card); box-shadow: var(--shadow);
  font-size: 13px; font-weight: 600; color: var(--ink-2);
}
.t-hero__sub { margin-top: clamp(18px, 3vh, 26px); max-width: 56ch; color: var(--mut); font-size: clamp(14.5px, 1.8vw, 17px); line-height: 1.7; }
.t-hero__actions { margin-top: clamp(22px, 3.4vh, 32px); display: flex; flex-wrap: wrap; align-items: center; gap: 14px 24px; }
.t-trust { margin-top: clamp(18px, 3vh, 26px); display: flex; flex-wrap: wrap; gap: 8px 20px; }
.t-trust li { display: inline-flex; align-items: center; gap: 8px; color: var(--mut); font-size: 13px; font-weight: 600; }
.t-trust i { width: 6px; height: 6px; border-radius: 50%; background: var(--green); flex: none; }

.t-btn {
  display: inline-flex; align-items: center; gap: 11px;
  padding: 15px 28px; border-radius: 999px;
  background: var(--accent-strong); color: #FFF; font-weight: 800; font-size: 15px;
  box-shadow: 0 10px 28px rgba(249, 72, 3, .3);
  transition: transform .22s, filter .22s, box-shadow .22s;
}
.t-btn:hover { color: #FFF; transform: translateY(-2px); filter: brightness(1.07); box-shadow: 0 14px 34px rgba(249, 72, 3, .36); }
.t-btn:active { transform: translateY(0); }
.t-btn--light { background: #FFF; color: var(--accent-ink); box-shadow: 0 10px 28px rgba(23,38,60,.16); }
.t-btn--light:hover { color: var(--accent-ink); }

.t-textlink {
  font-weight: 700; font-size: 14.5px; color: var(--ink-2);
  text-decoration: underline; text-underline-offset: 6px; text-decoration-color: var(--tint-3);
  display: inline-flex; align-items: center; gap: 8px; transition: gap .25s, color .2s;
}
.t-textlink:hover { color: var(--accent-ink); gap: 12px; }

/* ---------- Route + seat map --------------------------------------------- */
.t-stage { position: relative; width: 100%; max-width: 560px; aspect-ratio: 13/11; margin-inline: auto; }
.t-route { position: absolute; inset: 0; width: 100%; height: 100%; overflow: visible; }
.t-route__path { fill: none; stroke: rgba(23, 38, 60, .18); stroke-width: 1.4; stroke-dasharray: 5 7; vector-effect: non-scaling-stroke; }
.t-route__live { fill: none; stroke: var(--kt-accent); stroke-width: 1.6; stroke-dasharray: 5 9; vector-effect: non-scaling-stroke; animation: t-ants 1.7s linear infinite; }
.t-route__plane { fill: var(--accent-ink); }
.t-stop { position: absolute; transform: translate(-50%, -50%); text-align: center; }
.t-stop i { display: block; width: 11px; height: 11px; margin: 0 auto 7px; border-radius: 50%; background: var(--card); border: 2px solid var(--tint-3); }
.t-stop:last-of-type i { background: var(--kt-accent); border-color: var(--kt-accent); }
.t-stop span { font-size: 11.5px; font-weight: 700; color: var(--mut); white-space: nowrap; }
/* Stops sit on the route path. The SVG box is 100x62 and occupies the top 64%
   of the stage, so top% = (y / 62) * 64. */
.t-stop--01 { left: 12%; top: 45.4%; }
.t-stop--02 { left: 37%; top: 18.6%; }
.t-stop--03 { left: 63%; top: 37.2%; }
.t-stop--04 { left: 88%; top: 10.3%; }
.t-stop__ring {
  position: absolute; left: 50%; top: 5px; width: 26px; height: 26px;
  transform: translate(-50%, -50%); border-radius: 50%; border: 2px solid var(--kt-accent);
  animation: t-pulse 2.6s ease-out infinite;
}

.t-seats {
  position: absolute; left: 50%; bottom: 2%; transform: translateX(-50%);
  width: min(300px, 88%); padding: 15px 17px;
  border: 1px solid var(--line); border-radius: 16px;
  background: var(--card); box-shadow: var(--shadow-lift);
  animation: t-drift 6s ease-in-out infinite;
}
.t-seats__title { font-size: 10px; font-weight: 800; letter-spacing: .12em; color: var(--soft); }
.t-seats__grid { margin: 11px 0 9px; display: grid; grid-template-columns: repeat(8, 1fr); gap: 4px; }
.t-seat { aspect-ratio: 1/1; border-radius: 3px; background: var(--kt-accent); }
.t-seat--live { animation: t-blink 1.5s ease-in-out infinite; }
.t-seat--free { background: transparent; border: 1px dashed var(--tint-3); }
.t-seats__cap { font-size: 11.5px; font-weight: 600; color: var(--mut); }
.t-seats__cap b { color: var(--accent-ink); font-weight: 800; }

.t-toasts { position: absolute; left: 50%; top: 3%; transform: translateX(-50%); width: max-content; }
.t-toast {
  position: absolute; left: 50%; top: 0; transform: translate(-50%, 10px);
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 14px; border: 1px solid var(--line); border-radius: 999px;
  background: var(--card); box-shadow: var(--shadow);
  font-size: 11.5px; font-weight: 600; color: var(--ink-2); white-space: nowrap;
  opacity: 0; animation: t-toast 9s linear infinite;
}
.t-toast--02 { animation-delay: -3s; }
.t-toast--03 { animation-delay: -6s; }
.t-toast i { width: 6px; height: 6px; border-radius: 50%; background: var(--soft); flex: none; }
.t-toast i.green { background: var(--green); }

/* ---------- Stats -------------------------------------------------------- */
.t-stats {
  margin-top: clamp(34px, 6vh, 58px);
  display: grid; grid-template-columns: repeat(auto-fit, minmax(min(150px, 100%), 1fr)); gap: 1px;
  border: 1px solid var(--line); border-radius: 20px; overflow: hidden;
  background: var(--line); box-shadow: var(--shadow);
}
.t-stat { padding: 21px 18px; background: var(--card); text-align: center; }
.t-stat b { display: block; font-size: clamp(25px, 3.8vw, 36px); font-weight: 800; letter-spacing: -.025em; color: var(--accent-ink); font-variant-numeric: tabular-nums; }
.t-stat span { display: block; margin-top: 5px; font-size: 12px; color: var(--mut); line-height: 1.45; }

/* ---------- Problem cards ------------------------------------------------ */
.t-probs { margin-top: clamp(28px, 4.5vh, 46px); display: grid; grid-template-columns: repeat(auto-fit, minmax(min(260px, 100%), 1fr)); gap: 13px; }
.t-prob { padding: clamp(18px, 2.6vw, 25px); border: 1px solid var(--line); border-radius: 18px; background: var(--card); box-shadow: var(--shadow); transition: transform .3s, box-shadow .3s; }
.t-prob:hover { transform: translateY(-4px); box-shadow: var(--shadow-lift); }
.t-prob__tag { font-size: 10.5px; font-weight: 800; letter-spacing: .14em; color: var(--soft); }
.t-prob h3 { margin-top: 11px; font-size: clamp(15px, 1.9vw, 18px); font-weight: 800; letter-spacing: -.01em; }
.t-prob p { margin-top: 9px; color: var(--mut); font-size: clamp(13px, 1.5vw, 14.5px); line-height: 1.65; }

/* ---------- Boarding-pass solutions -------------------------------------- */
.t-sols { margin-top: clamp(28px, 4.5vh, 46px); display: flex; flex-direction: column; gap: 13px; }
.t-sol {
  display: grid; grid-template-columns: 74px 1fr;
  border: 1px solid var(--line); border-radius: 18px; overflow: hidden;
  background: var(--card); box-shadow: var(--shadow);
  transition: transform .3s, box-shadow .3s;
}
.t-sol:hover { transform: translateY(-3px); box-shadow: var(--shadow-lift); }
/* the perforated stub */
.t-sol__stub {
  display: grid; place-items: center; gap: 6px; padding: 18px 8px;
  background: var(--tint); border-right: 2px dashed var(--tint-3);
}
.t-sol__num { font-size: clamp(19px, 2.6vw, 25px); font-weight: 800; color: var(--accent-ink); letter-spacing: -.02em; }
.t-sol__tag { font-size: 9px; font-weight: 800; letter-spacing: .12em; color: var(--accent-ink); writing-mode: horizontal-tb; }
.t-sol__body { padding: clamp(17px, 2.6vw, 26px); }
.t-sol__body h3 { font-size: clamp(15.5px, 2vw, 19px); font-weight: 800; letter-spacing: -.01em; }
.t-sol__body p { margin-top: 10px; color: var(--mut); font-size: clamp(13.5px, 1.6vw, 15.5px); line-height: 1.7; }
.t-proof {
  margin-top: 14px; padding: 13px 15px; border-left: 2px solid var(--kt-accent);
  border-radius: 0 10px 10px 0; background: var(--tint);
  color: var(--ink-2); font-size: clamp(12.5px, 1.5vw, 14px); line-height: 1.6;
}
.t-proof[data-on=""] { display: none; }
.t-chips { margin-top: 13px; display: flex; flex-wrap: wrap; gap: 7px; }
.t-chips[data-on=""] { display: none; }
.t-chips span { padding: 6px 12px; border: 1px solid var(--line); border-radius: 999px; font-size: 12px; font-weight: 600; color: var(--mut); }

/* ---------- Differentiators + audiences ---------------------------------- */
.t-diffs { margin-top: clamp(28px, 4.5vh, 46px); display: grid; grid-template-columns: repeat(auto-fit, minmax(min(240px, 100%), 1fr)); gap: 13px; }
.t-diff { padding: clamp(18px, 2.6vw, 25px); border: 1px solid var(--line); border-radius: 18px; background: var(--card); box-shadow: var(--shadow); transition: transform .3s, box-shadow .3s; }
.t-diff:hover { transform: translateY(-4px); box-shadow: var(--shadow-lift); }
.t-diff__chip { display: inline-block; padding: 5px 12px; border-radius: 999px; background: var(--tint); font-size: 10.5px; font-weight: 800; letter-spacing: .1em; color: var(--accent-ink); }
.t-diff h3 { margin-top: 13px; font-size: clamp(14.5px, 1.8vw, 17px); font-weight: 800; letter-spacing: -.01em; line-height: 1.35; }
.t-diff p { margin-top: 9px; color: var(--mut); font-size: clamp(13px, 1.5vw, 14.5px); line-height: 1.65; }

.t-audTitle { margin-top: clamp(30px, 5vh, 48px); font-size: clamp(16px, 2.2vw, 21px); font-weight: 800; letter-spacing: -.01em; }
.t-auds { margin-top: 14px; display: flex; flex-wrap: wrap; gap: 10px; }
.t-aud { flex: 1 1 230px; padding: 14px 18px; border: 1px dashed var(--tint-3); border-radius: 14px; font-size: 13px; color: var(--mut); line-height: 1.55; }
.t-aud b { display: block; margin-bottom: 3px; color: var(--ink); font-size: 14px; font-weight: 800; }
.t-notfit { margin-top: 16px; color: var(--soft); font-size: 13px; line-height: 1.6; }

/* ---------- Steps -------------------------------------------------------- */
.t-steps { margin-top: clamp(28px, 4.5vh, 46px); display: grid; grid-template-columns: repeat(auto-fit, minmax(min(250px, 100%), 1fr)); gap: 14px; }
.t-step { padding: clamp(19px, 2.8vw, 27px); border: 1px solid var(--line); border-radius: 18px; background: var(--card); box-shadow: var(--shadow); transition: transform .3s, box-shadow .3s; }
.t-step:hover { transform: translateY(-4px); box-shadow: var(--shadow-lift); }
.t-step__n { display: grid; place-items: center; width: 36px; height: 36px; border-radius: 50%; border: 1px solid var(--tint-2); background: var(--tint); font-size: 14px; font-weight: 800; color: var(--accent-ink); }
.t-step:first-child .t-step__n { background: var(--accent-strong); border-color: var(--accent-strong); color: #FFF; }
.t-step h3 { margin-top: 14px; font-size: clamp(15px, 1.9vw, 17.5px); font-weight: 800; letter-spacing: -.01em; }
.t-step p { margin-top: 8px; color: var(--mut); font-size: clamp(13px, 1.5vw, 14.5px); line-height: 1.6; }

/* ---------- Tech table + security ---------------------------------------- */
.t-tech { margin-top: clamp(26px, 4.2vh, 42px); }
.t-tech__row { display: grid; gap: 6px 30px; padding: clamp(15px, 2.2vh, 20px) 0; border-top: 1px solid var(--line); }
.t-tech__row:last-child { border-bottom: 1px solid var(--line); }
@media (min-width: 760px) { .t-tech__row { grid-template-columns: minmax(140px, 1fr) 3fr; } }
.t-tech dt { font-size: clamp(14px, 1.7vw, 16px); font-weight: 800; letter-spacing: -.01em; }
.t-tech dd { margin: 0; color: var(--mut); font-size: clamp(13px, 1.6vw, 15px); line-height: 1.65; }
.t-sec-card { margin-top: clamp(22px, 3.6vh, 34px); padding: clamp(18px, 2.8vw, 26px); border: 1px solid var(--tint-2); border-radius: 18px; background: var(--tint); }
.t-sec-card h3 { font-size: clamp(15px, 1.9vw, 18px); font-weight: 800; letter-spacing: -.01em; }
.t-sec-card ul { margin-top: 12px; display: flex; flex-direction: column; gap: 9px; }
.t-sec-card li { display: flex; gap: 11px; align-items: flex-start; color: var(--ink-2); font-size: clamp(13px, 1.5vw, 14.5px); line-height: 1.6; }
.t-sec-card i { flex: none; width: 6px; height: 6px; margin-top: 7px; border-radius: 50%; background: var(--kt-accent); }

/* ---------- FAQ ---------------------------------------------------------- */
.t-faq { margin-top: clamp(26px, 4.2vh, 42px); display: flex; flex-direction: column; gap: 10px; }
.t-faq__item { border: 1px solid var(--line); border-radius: 16px; background: var(--card); box-shadow: var(--shadow); overflow: hidden; }
.t-faq__q {
  width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: clamp(15px, 2.2vw, 21px); border: 0; background: transparent; cursor: pointer;
  text-align: left; font-size: clamp(14.5px, 1.8vw, 17px); font-weight: 700; color: var(--ink);
  transition: color .2s;
}
.t-faq__q:hover { color: var(--accent-ink); }
.t-faq__icon { flex: none; display: grid; place-items: center; width: 26px; height: 26px; border-radius: 50%; background: var(--tint); color: var(--accent-ink); font-style: normal; font-weight: 800; font-size: 15px; transition: transform .3s cubic-bezier(.22,.66,.22,1); }
.t-faq__a { overflow: hidden; }
.t-faq__a p { padding: 0 clamp(15px, 2.2vw, 21px) clamp(17px, 2.4vw, 23px); color: var(--mut); font-size: clamp(13.5px, 1.6vw, 15.5px); line-height: 1.7; }

/* ---------- CTA ---------------------------------------------------------- */
.t-cta {
  position: relative; overflow: hidden; border-radius: 28px;
  padding: clamp(36px, 6vw, 70px) clamp(22px, 5vw, 60px);
  background: linear-gradient(135deg, var(--accent-strong) 0%, #6E1800 100%);
  color: #FFF; text-align: center;
}
.t-cta__sky { position: absolute; inset: 0; width: 100%; height: 100%; opacity: .25; pointer-events: none; }
.t-cta__sky path { fill: none; stroke: #FFF; stroke-width: 1.4; stroke-dasharray: 6 8; vector-effect: non-scaling-stroke; }
.t-cta__sky polygon { fill: #FFF; }
.t-cta__inner { position: relative; max-width: 700px; margin-inline: auto; }
.t-cta__h { font-size: clamp(25px, 4.2vw, 46px); font-weight: 800; line-height: 1.15; letter-spacing: -.02em; text-wrap: balance; }
.t-cta__sub { margin-top: 15px; color: #FFF; font-size: clamp(14px, 1.7vw, 16.5px); line-height: 1.65; }
.t-cta__actions { margin-top: clamp(24px, 4vh, 36px); }
.t-cta__contacts { margin-top: clamp(20px, 3vh, 30px); display: flex; flex-wrap: wrap; justify-content: center; gap: 8px 22px; color: #FFF; font-size: 14px; font-weight: 600; }
.t-cta__contacts a { color: #FFF; }

/* ---------- Footer + top ------------------------------------------------- */
.t-footer {
  border-top: 1px solid var(--line); padding: clamp(26px, 4vh, 40px) var(--pad-x);
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between;
  gap: 16px 28px; color: var(--soft); font-size: 12px;
}
.t-footer__brand { display: flex; flex-direction: column; gap: 7px; }
.t-footer__brand span { font-size: 11px; letter-spacing: .05em; }
.t-footer__links { display: flex; flex-wrap: wrap; gap: clamp(16px, 3vw, 30px); font-size: 13px; font-weight: 600; }
.t-footer__links a { color: var(--mut); }

.t-top {
  position: fixed; right: 18px; bottom: 18px; z-index: 55;
  width: 44px; height: 44px; display: grid; place-items: center;
  border: 1px solid var(--line); border-radius: 50%;
  background: var(--card); box-shadow: var(--shadow-lift); color: var(--ink);
  font-size: 17px; cursor: pointer; transition: transform .25s, background .25s, color .25s;
}
.t-top:hover { background: var(--accent-strong); color: #FFF; transform: translateY(-3px); }

[data-reveal] { transition-delay: calc(var(--i, 0) * 60ms); }

/* ---------- Keyframes ---------------------------------------------------- */
@keyframes t-ants  { to { stroke-dashoffset: -84; } }
@keyframes t-blink { 0%, 100% { opacity: 1; } 50% { opacity: .25; } }
@keyframes t-drift { 0%, 100% { transform: translateX(-50%) translateY(0); } 50% { transform: translateX(-50%) translateY(-8px); } }
@keyframes t-cloud { from { transform: translateX(-8%); } to { transform: translateX(8%); } }
@keyframes t-pulse { from { transform: translate(-50%, -50%) scale(1); opacity: .45; } to { transform: translate(-50%, -50%) scale(2.4); opacity: 0; } }
@keyframes t-toast {
  0%   { opacity: 0; transform: translate(-50%, 10px); }
  4%   { opacity: 1; transform: translate(-50%, 0); }
  28%  { opacity: 1; transform: translate(-50%, 0); }
  33%  { opacity: 0; transform: translate(-50%, -10px); }
  100% { opacity: 0; transform: translate(-50%, -10px); }
}

/* ---------- Touch targets ------------------------------------------------ */
@media (pointer: coarse) {
  .t-nav__links a, .t-lang a, .t-footer__links a, .t-cta__contacts a, .t-textlink, .t-logo {
    padding-block: 14px; margin-block: -14px;
  }
  /* 9-10.5px uppercase Cyrillic loses its diacritics on a phone screen. */
  .t-sol__tag { font-size: 11px; }
  .t-diff__chip { font-size: 11.5px; }
  .t-footer small { font-size: 11.5px; }

  .t-faq__q, .t-skip, .t-pill, .t-btn { min-height: 44px; }
}

/* ---------- Reduced motion ----------------------------------------------- */
/* SMIL ignores prefers-reduced-motion, so the plane is hidden outright here
   and product.js also calls pauseAnimations() on the SVG. */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; animation-delay: 0s !important; transition-duration: .001ms !important; }
  .t-route__plane, .t-cta__sky polygon { display: none; }
}
.kt-no-motion *, .kt-no-motion *::before, .kt-no-motion *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; animation-delay: 0s !important; transition-duration: .001ms !important; }
.kt-no-motion .t-route__plane, .kt-no-motion .t-cta__sky polygon { display: none; }

@media (max-width: 519px) {
  .t-nav__back { display: none; }
  .t-toasts { left: 50% !important; }
  .t-toast { font-size: 10.5px; max-width: 92vw; }
  .t-sol { grid-template-columns: 1fr; }
  .t-sol__stub { flex-direction: row; border-right: 0; border-bottom: 2px dashed var(--tint-3); grid-auto-flow: column; padding: 12px; }
}