/* Webinar «Три стратегии роста» — /events/tri-strategii-rosta.
   Dedicated purple design system (#6B5BD8), isolated from the lime webinar.css.
   Prefix tri- everywhere so it never collides with article.css / webinar.css. */
:root {
  --tri-primary: #6B5BD8;
  --tri-primary-hover: #5A4BC7;
  --tri-ink: #0F1114;
  --tri-ink-soft: #4A5058;
  --tri-paper: #FAFAF7;
  --tri-card: #FFFFFF;
  --tri-border: #E8E7E1;
  --tri-lime: #C8F048;
  --tri-r: 16px;
  --tri-r-sm: 12px;
  --tri-sh-sm: 0 2px 8px rgba(15,17,20,.04);
  --tri-sh-md: 0 4px 16px rgba(15,17,20,.08);
  --tri-sh-lg: 0 12px 40px rgba(107,91,216,.16);
}

.tri-page {
  margin: 0; background: var(--tri-paper); color: var(--tri-ink);
  font-family: "Inter Tight", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
  font-size: 17px; line-height: 1.55;
}
.tri-page * { box-sizing: border-box; }
.tri-page .mono { font-variant-numeric: tabular-nums; font-feature-settings: "tnum"; }
.tri-wrap { max-width: 1120px; margin: 0 auto; padding: 0 24px; }
.tri-narrow { max-width: 760px; }
.tri-page h1, .tri-page h2, .tri-page h3 { margin: 0; text-wrap: balance; hyphens: manual; }
.tri-page p { text-wrap: pretty; }
/* buttons keep their own colour (white on purple); only non-button links inherit ink */
.tri-page a:not(.tri-btn) { color: inherit; }

/* ── nav ── */
.tri-nav { position: sticky; top: 0; z-index: 40; background: rgba(250,250,247,.86); backdrop-filter: saturate(1.4) blur(10px); border-bottom: 1px solid var(--tri-border); }
.tri-nav-inner { max-width: 1120px; margin: 0 auto; padding: 12px 24px; display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.tri-brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--tri-ink); }
.tri-brand-mark { font-size: 22px; color: var(--tri-primary); line-height: 1; }
.tri-brand-text { font-size: 13px; line-height: 1.15; font-weight: 500; }
.tri-brand-text b { font-weight: 700; }
.tri-navlinks { display: flex; align-items: center; gap: 22px; }
.tri-navlinks a { text-decoration: none; font-size: 15px; font-weight: 500; color: var(--tri-ink-soft); }
.tri-navlinks a:hover { color: var(--tri-ink); }
.tri-nav-cta { background: var(--tri-primary); color: #fff !important; padding: 9px 18px; border-radius: 999px; font-weight: 600 !important; }
.tri-nav-cta:hover { background: var(--tri-primary-hover); }

/* ── buttons ── */
.tri-btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; background: var(--tri-primary); color: #fff; text-decoration: none; border: 0; cursor: pointer; font-family: inherit; font-weight: 600; font-size: 16px; padding: 13px 26px; border-radius: 999px; transition: background .15s, transform .06s, box-shadow .15s; }
.tri-btn:hover { background: var(--tri-primary-hover); box-shadow: var(--tri-sh-lg); }
.tri-btn:active { transform: translateY(1px); }
.tri-btn-lg { padding: 16px 32px; font-size: 17px; }
.tri-btn-block { width: 100%; }
.tri-btn-ghost { background: #fff; color: var(--tri-primary); box-shadow: inset 0 0 0 1.5px var(--tri-primary); }
.tri-btn-ghost:hover { background: #F4F2FD; box-shadow: inset 0 0 0 1.5px var(--tri-primary); }

/* ── hero ── */
.tri-hero { padding: 56px 0 40px; }
.tri-hero-in { display: grid; grid-template-columns: 1.35fr .95fr; gap: 48px; align-items: center; }
.tri-eyebrow { display: inline-block; font-size: 12.5px; font-weight: 700; letter-spacing: .06em; color: var(--tri-primary); background: #F0EDFB; padding: 7px 13px; border-radius: 999px; margin-bottom: 20px; }
.tri-h1 { font-size: 52px; line-height: 1.04; font-weight: 800; letter-spacing: -.02em; }
.tri-sub { font-size: 20px; line-height: 1.45; color: var(--tri-ink-soft); margin: 20px 0 28px; text-wrap: balance; }
.tri-hero-meta { margin: 16px 0 0; font-size: 14.5px; color: var(--tri-ink-soft); }
.tri-hero-card { background: var(--tri-card); border: 1px solid var(--tri-border); border-radius: var(--tri-r); padding: 26px 24px; box-shadow: var(--tri-sh-md); text-align: center; }
.tri-hero-card-lbl { font-size: 13px; font-weight: 600; letter-spacing: .04em; text-transform: uppercase; color: var(--tri-ink-soft); margin-bottom: 16px; }
.tri-hero-card-date { font-size: 15px; font-weight: 600; margin-top: 16px; }
.tri-seats { margin-top: 12px; font-size: 14px; font-weight: 600; color: var(--tri-primary); background: #F0EDFB; padding: 8px 12px; border-radius: 999px; display: inline-block; }

/* ── countdown ── */
.tri-countdown { display: flex; align-items: flex-start; justify-content: center; gap: 8px; }
.tri-cd-cell { display: flex; flex-direction: column; align-items: center; min-width: 62px; background: #F5F4FC; border-radius: var(--tri-r-sm); padding: 12px 6px; }
.tri-cd-num { font-size: 32px; font-weight: 800; line-height: 1; color: var(--tri-primary); font-variant-numeric: tabular-nums; }
.tri-cd-lbl { font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: .04em; color: var(--tri-ink-soft); margin-top: 6px; }
.tri-cd-sep { font-size: 28px; font-weight: 800; color: var(--tri-border); padding-top: 10px; }

/* ── sections ── */
.tri-sec { padding: 56px 0; }
.tri-sec-alt { background: #F3F2EC; }
.tri-h2 { font-size: 34px; line-height: 1.12; font-weight: 800; letter-spacing: -.015em; margin-bottom: 12px; }
.tri-sec-sub { font-size: 18px; color: var(--tri-ink-soft); margin: 0 0 28px; }
.tri-p { font-size: 18px; line-height: 1.6; color: var(--tri-ink-soft); margin: 0 0 16px; }
.tri-note { margin: 24px 0 0; font-size: 16px; color: var(--tri-ink-soft); font-style: italic; text-wrap: pretty; }

/* ── grids / cards ── */
.tri-grid { display: grid; gap: 18px; margin-top: 32px; }
.tri-grid-5 { grid-template-columns: repeat(5, 1fr); }
.tri-grid-3 { grid-template-columns: repeat(3, 1fr); }
.tri-grid-2 { grid-template-columns: repeat(2, 1fr); }
.tri-card { background: var(--tri-card); border: 1px solid var(--tri-border); border-radius: var(--tri-r); padding: 22px 20px; box-shadow: var(--tri-sh-sm); }
.tri-card-ic { font-size: 26px; line-height: 1; margin-bottom: 12px; }
.tri-card h3 { font-size: 17px; font-weight: 700; line-height: 1.25; margin-bottom: 6px; text-wrap: balance; }
.tri-card p { font-size: 15px; color: var(--tri-ink-soft); margin: 0; }
.tri-card-lg { padding: 28px 26px; }
.tri-card-lg h3 { font-size: 20px; margin-bottom: 10px; }
.tri-card-lg p { font-size: 16.5px; }
.tri-card-why { position: relative; padding-left: 26px; }
.tri-why-n { position: absolute; top: 20px; left: 20px; font-size: 15px; font-weight: 800; color: var(--tri-primary); }
.tri-card-why p { margin-top: 26px; font-size: 16.5px; color: var(--tri-ink); }

/* ── program ── */
.tri-program { display: flex; flex-direction: column; gap: 12px; margin-top: 32px; }
.tri-prog-item { display: flex; gap: 18px; align-items: baseline; background: var(--tri-card); border: 1px solid var(--tri-border); border-radius: var(--tri-r); padding: 20px 22px; box-shadow: var(--tri-sh-sm); }
.tri-prog-n { font-size: 20px; font-weight: 800; color: var(--tri-primary); min-width: 34px; }
.tri-prog-body { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; flex: 1; flex-wrap: wrap; }
.tri-prog-body h3 { font-size: 18px; font-weight: 700; }
.tri-prog-dur { font-size: 14px; font-weight: 600; color: var(--tri-ink-soft); white-space: nowrap; }

/* ── speaker ── */
.tri-speaker { display: flex; gap: 28px; align-items: center; margin-top: 28px; background: var(--tri-card); border: 1px solid var(--tri-border); border-radius: var(--tri-r); padding: 28px; box-shadow: var(--tri-sh-sm); }
.tri-speaker-ph { position: relative; width: 132px; height: 132px; flex: 0 0 132px; border-radius: 50%; overflow: hidden; background: linear-gradient(135deg, #6B5BD8, #8E7FEA); display: flex; align-items: center; justify-content: center; }
.tri-speaker-ph img { width: 100%; height: 100%; object-fit: cover; position: relative; z-index: 1; }
.tri-speaker-ini { position: absolute; color: #fff; font-size: 40px; font-weight: 800; z-index: 0; }
.tri-speaker-txt h3 { font-size: 24px; font-weight: 800; }
.tri-speaker-role { font-size: 15px; font-weight: 600; color: var(--tri-primary); margin: 6px 0 12px; }
.tri-speaker-txt p { font-size: 16.5px; color: var(--tri-ink-soft); margin: 0; }

/* ── cases (brand cards: image + 3 metrics) ── */
.tri-cases { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 32px; }
.tri-case { background: var(--tri-card); border: 1px solid var(--tri-border); border-radius: var(--tri-r); box-shadow: var(--tri-sh-sm); overflow: hidden; display: flex; flex-direction: column; transition: box-shadow .15s ease, transform .1s ease; }
.tri-case:hover { box-shadow: var(--tri-sh-md); transform: translateY(-2px); }
/* logos of varied aspect ratios → contain (never crop the brand mark) */
.tri-case-img { aspect-ratio: 16 / 9; background: #F5F4F0; overflow: hidden; padding: 16px; }
.tri-case-img img { width: 100%; height: 100%; object-fit: contain; display: block; }
.tri-case-img.no-img { background: linear-gradient(135deg, #6B5BD8, #8E7FEA); }
.tri-case-body { padding: 20px 22px 22px; display: flex; flex-direction: column; flex: 1; }
.tri-case-name { font-size: 19px; font-weight: 800; line-height: 1.15; }
.tri-case-niche { font-size: 13.5px; color: var(--tri-ink-soft); margin: 4px 0 0; }
.tri-case-metrics { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; margin-top: 16px; padding-top: 16px; border-top: 1px solid var(--tri-border); }
.tri-metric { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.tri-metric-n { font-size: 13px; font-weight: 800; color: var(--tri-primary); font-variant-numeric: tabular-nums; line-height: 1.15; white-space: nowrap; }
.tri-metric-l { font-size: 10.5px; color: var(--tri-ink-soft); line-height: 1.2; }
.tri-cases-more { margin: 24px 0 0; text-align: center; font-size: 15px; font-weight: 700; color: var(--tri-ink); }
.tri-cases-legal { margin: 8px 0 0; text-align: center; font-size: 12px; color: var(--tri-ink-soft); }

/* ── magnets ── */
.tri-magnet { background: var(--tri-card); border: 1px solid var(--tri-border); border-radius: var(--tri-r); padding: 24px 22px; box-shadow: var(--tri-sh-sm); }
.tri-magnet-ic { font-size: 30px; margin-bottom: 12px; }
.tri-magnet h3 { font-size: 17px; font-weight: 700; line-height: 1.3; margin-bottom: 8px; }
.tri-magnet p { font-size: 14.5px; color: var(--tri-ink-soft); margin: 0; }

/* ── how steps ── */
.tri-steps { list-style: none; margin: 28px 0 0; padding: 0; display: flex; flex-direction: column; gap: 14px; counter-reset: none; }
.tri-steps li { display: flex; gap: 16px; align-items: baseline; font-size: 17px; color: var(--tri-ink); }
.tri-step-n { flex: 0 0 32px; height: 32px; width: 32px; border-radius: 50%; background: var(--tri-primary); color: #fff; font-weight: 700; font-size: 15px; display: inline-flex; align-items: center; justify-content: center; align-self: flex-start; }

/* ── checkmark icon ── */
.tri-ic-check { width: 22px; height: 22px; flex: 0 0 22px; fill: none; stroke: var(--tri-primary); stroke-width: 2.4; stroke-linecap: round; stroke-linejoin: round; }

/* ── quiz / registration ── */
.tri-register .tri-sec-sub { text-align: center; }
.tri-register .tri-h2 { text-align: center; }
.tri-quiz { max-width: 620px; margin: 32px auto 0; background: var(--tri-card); border: 1px solid var(--tri-border); border-radius: var(--tri-r); box-shadow: var(--tri-sh-md); padding: 28px; }
.tri-quiz-head { display: flex; align-items: center; gap: 14px; margin-bottom: 22px; min-height: 30px; }
.tri-quiz-back { background: none; border: 0; cursor: pointer; font-family: inherit; font-size: 14px; font-weight: 600; color: var(--tri-ink-soft); padding: 4px 0; }
.tri-quiz-back:hover { color: var(--tri-ink); }
.tri-quiz-bar { flex: 1; height: 8px; background: #ECEAF7; border-radius: 999px; overflow: hidden; }
.tri-quiz-fill { display: block; height: 100%; background: var(--tri-primary); border-radius: 999px; transition: width .3s ease; }
.quiz-step { display: none; }
.quiz-step.is-active { display: block; animation: triFade .25s ease; }
@keyframes triFade { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }
.quiz-q { font-size: 22px; font-weight: 800; line-height: 1.25; margin-bottom: 20px; text-wrap: balance; }
.quiz-opts { display: flex; flex-direction: column; gap: 12px; }
.quiz-opt { text-align: left; background: #F7F6FC; border: 1.5px solid var(--tri-border); border-radius: var(--tri-r-sm); padding: 16px 18px; font-family: inherit; font-size: 16.5px; font-weight: 600; color: var(--tri-ink); cursor: pointer; transition: border-color .12s, background .12s, transform .06s; }
.quiz-opt:hover { border-color: var(--tri-primary); background: #F0EDFB; }
.quiz-opt:active { transform: translateY(1px); }
.quiz-opt.is-selected { border-color: var(--tri-primary); background: #F0EDFB; box-shadow: inset 0 0 0 1px var(--tri-primary); }
.tri-field { margin-bottom: 14px; }
.tri-field label { display: block; font-size: 14px; font-weight: 600; color: var(--tri-ink-soft); margin-bottom: 6px; }
.tri-fld { width: 100%; font-family: inherit; font-size: 16px; padding: 13px 15px; border: 1.5px solid var(--tri-border); border-radius: var(--tri-r-sm); background: #fff; color: var(--tri-ink); transition: border-color .12s; }
.tri-fld:focus { outline: none; border-color: var(--tri-primary); }
.tri-fld.is-err { border-color: #E5484D; }
.tri-channels { margin: 18px 0 16px; }
.tri-channels-h { font-size: 14px; font-weight: 600; color: var(--tri-ink-soft); margin-bottom: 10px; }
.tri-channels-grid { display: flex; flex-wrap: wrap; gap: 10px; }
.tri-chan { display: inline-flex; align-items: center; gap: 8px; background: #F7F6FC; border: 1.5px solid var(--tri-border); border-radius: 999px; padding: 9px 15px; font-size: 15px; font-weight: 600; cursor: pointer; user-select: none; }
.tri-chan input { accent-color: var(--tri-primary); width: 16px; height: 16px; }
.tri-chan:has(input:checked) { border-color: var(--tri-primary); background: #F0EDFB; color: var(--tri-primary); }
.tri-chan.is-locked { opacity: .75; cursor: default; }
.tri-consent { display: flex; gap: 10px; align-items: flex-start; font-size: 14px; color: var(--tri-ink-soft); margin: 4px 0 18px; }
.tri-consent input { accent-color: var(--tri-primary); margin-top: 2px; width: 16px; height: 16px; flex: 0 0 16px; }
.tri-consent a { color: var(--tri-primary); }
.tri-hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }
.tri-form-msg { margin-top: 14px; font-size: 14.5px; font-weight: 600; color: #E5484D; text-align: center; }
.tri-form-msg.is-ok { color: var(--tri-primary); }

/* thank-you (inline reveal) */
.tri-thanks { text-align: center; padding: 12px 0; }
.tri-thanks-mark { width: 60px; height: 60px; margin: 0 auto 16px; border-radius: 50%; background: #EAF7D2; color: #6ba01a; font-size: 32px; display: flex; align-items: center; justify-content: center; }
.tri-thanks h3 { font-size: 26px; font-weight: 800; margin-bottom: 10px; }
.tri-thanks > p { font-size: 16.5px; color: var(--tri-ink-soft); max-width: 440px; margin: 0 auto; }
.tri-thanks-sub { font-size: 15px; font-weight: 700; margin: 24px 0 14px; }
.tri-thanks-actions { display: flex; flex-direction: column; gap: 12px; max-width: 400px; margin: 0 auto; }
.tri-thanks-soon { font-size: 14px; color: var(--tri-ink-soft); margin-top: 16px; }

/* ── reveal-on-scroll ── */
[data-reveal] { opacity: 0; transform: translateY(18px); transition: opacity .5s ease, transform .5s ease; }
[data-reveal].is-in { opacity: 1; transform: none; }

/* ── responsive ── */
@media (max-width: 980px) {
  .tri-hero-in { grid-template-columns: 1fr; gap: 32px; }
  .tri-hero-card { order: -1; }
  .tri-grid-5 { grid-template-columns: repeat(2, 1fr); }
  .tri-cases { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 720px) {
  .tri-navlinks a:not(.tri-nav-cta) { display: none; }
}
@media (max-width: 640px) {
  .tri-page { font-size: 16px; }
  .tri-wrap { padding: 0 18px; }
  .tri-hero { padding: 36px 0 28px; }
  .tri-h1 { font-size: 34px; }
  .tri-sub { font-size: 17px; }
  .tri-sec { padding: 40px 0; }
  .tri-h2 { font-size: 26px; }
  .tri-grid-5, .tri-grid-3, .tri-grid-2, .tri-cases { grid-template-columns: 1fr; }
  .tri-speaker { flex-direction: column; text-align: center; gap: 18px; }
  .tri-cd-cell { min-width: 54px; }
  .tri-cd-num { font-size: 27px; }
  .tri-quiz { padding: 20px; }
  .quiz-q { font-size: 19px; }
  .tri-prog-body { flex-direction: column; gap: 4px; }
}