:root {
  --tf26-blue: #6380f7;
  --tf26-blue-soft: #b8c6f2;
  --tf26-cyan: #65d9ff;
  --tf26-bg: #080b12;
  --tf26-bg-deep: #05070c;
  --tf26-panel: #0f1522;
  --tf26-panel-2: #151d2d;
  --tf26-text: #f7f9ff;
  --tf26-muted: #aeb8cf;
  --tf26-line: rgba(184, 198, 242, .15);
  --tf26-max: 1260px;
  --tf26-radius: 18px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body.tf26-page {
  margin: 0;
  color: #dce3f3;
  background:
    radial-gradient(circle at 8% 10%, rgba(99, 128, 247, .14), transparent 28rem),
    radial-gradient(circle at 94% 28%, rgba(101, 217, 255, .07), transparent 32rem),
    var(--tf26-bg);
  font-family: Inter, "Segoe UI", system-ui, -apple-system, sans-serif;
  line-height: 1.72;
}
body.tf26-page::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image: linear-gradient(rgba(255,255,255,.018) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.018) 1px, transparent 1px);
  background-size: 48px 48px;
  content: "";
}
.tf26-page img { display: block; max-width: 100%; height: auto; }
.tf26-page a { color: inherit; }
.tf26-schema { display: none; }
.tf26-skip { position: fixed; left: 12px; top: -80px; z-index: 100; padding: 10px 14px; background: var(--tf26-blue); color: white; }
.tf26-skip:focus { top: 12px; }

.tf26-header {
  position: sticky;
  top: 0;
  z-index: 40;
  border-bottom: 1px solid var(--tf26-line);
  background: rgba(8, 11, 18, .9);
  box-shadow: 0 16px 40px rgba(0,0,0,.28);
  backdrop-filter: blur(18px);
}
.tf26-header-inner {
  width: min(calc(100% - 36px), var(--tf26-max));
  min-height: 76px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 170px 1fr auto;
  gap: 20px;
  align-items: center;
}
.tf26-logo img { width: 164px; }
.tf26-nav { display: flex; justify-content: center; gap: 2px; }
.tf26-nav-link {
  padding: 9px 9px;
  border-radius: 9px;
  color: #cbd4e8;
  font-size: 12px;
  font-weight: 750;
  text-decoration: none;
  white-space: nowrap;
}
.tf26-nav-link:hover, .tf26-nav-link[aria-current="page"] { background: rgba(99,128,247,.13); color: #fff; }
.tf26-header-actions, .tf26-hero-actions { display: flex; align-items: center; gap: 10px; }
.tf26-button {
  display: inline-flex;
  min-height: 44px;
  padding: 11px 18px;
  align-items: center;
  justify-content: center;
  border: 1px solid #849afd;
  border-radius: 11px;
  background: linear-gradient(135deg, #7790ff, #4b68e5);
  box-shadow: 0 10px 30px rgba(99,128,247,.24), inset 0 1px rgba(255,255,255,.28);
  color: #fff;
  font-size: 12px;
  font-weight: 850;
  letter-spacing: .055em;
  text-decoration: none;
  text-transform: uppercase;
  transition: transform .18s ease, filter .18s ease;
}
.tf26-button:hover { filter: brightness(1.08); transform: translateY(-1px); }
.tf26-button-ghost { border-color: var(--tf26-line); background: rgba(255,255,255,.035); box-shadow: none; color: #e8edfa; }
.tf26-menu-toggle { display: none; width: 44px; height: 44px; border: 1px solid var(--tf26-line); border-radius: 10px; background: var(--tf26-panel); color: white; }
.tf26-menu-toggle span { display: block; width: 21px; height: 2px; margin: 5px auto; background: currentColor; }

.tf26-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  border-bottom: 1px solid var(--tf26-line);
  background: var(--tf26-bg-deep) var(--tf26-hero-image) center/cover no-repeat;
}
.tf26-hero::after {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(90deg, rgba(5,7,12,.99) 0%, rgba(5,7,12,.94) 38%, rgba(5,7,12,.34) 76%),
    linear-gradient(0deg, rgba(5,7,12,.7), transparent 50%);
  content: "";
}
.tf26-hero-inner { width: min(calc(100% - 44px), var(--tf26-max)); min-height: 490px; margin: auto; display: flex; align-items: center; }
.tf26-hero-copy { width: min(680px, 100%); padding: 72px 0; }
.tf26-kicker { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; color: var(--tf26-blue-soft); font-size: 12px; font-weight: 850; letter-spacing: .16em; text-transform: uppercase; }
.tf26-kicker::before { width: 28px; height: 2px; background: var(--tf26-blue); content: ""; }
.tf26-hero h1 { margin: 0 0 18px; color: white; font-size: clamp(39px, 5.1vw, 68px); line-height: 1.02; letter-spacing: -.04em; text-wrap: balance; }
.tf26-hero p { margin: 0 0 28px; color: #d8e0ef; font-size: clamp(16px, 1.8vw, 19px); }
.tf26-text-link { padding: 11px 5px; color: #e4eaff; font-size: 13px; font-weight: 750; text-decoration: none; }
.tf26-text-link span { color: var(--tf26-cyan); }

.tf26-proof { border-bottom: 1px solid var(--tf26-line); background: rgba(11,15,24,.92); }
.tf26-proof-grid { width: min(calc(100% - 44px), var(--tf26-max)); margin: auto; padding: 19px 0; display: grid; grid-template-columns: repeat(4, 1fr); }
.tf26-proof-grid div { padding: 0 24px; border-right: 1px solid var(--tf26-line); }
.tf26-proof-grid div:first-child { padding-left: 0; }
.tf26-proof-grid div:last-child { border: 0; }
.tf26-proof-grid b { display: block; color: white; font-size: 18px; }
.tf26-proof-grid span { color: var(--tf26-muted); font-size: 12px; }

.tf26-shell { width: min(calc(100% - 44px), var(--tf26-max)); margin: 0 auto; padding: 66px 0 82px; display: grid; grid-template-columns: minmax(0, 1fr) 292px; gap: 28px; align-items: start; }
.tf26-content, .tf26-side-card {
  border: 1px solid var(--tf26-line);
  border-radius: var(--tf26-radius);
  background: linear-gradient(150deg, rgba(21,29,45,.96), rgba(11,16,26,.98));
  box-shadow: 0 24px 70px rgba(0,0,0,.25);
}
.tf26-content { min-width: 0; padding: clamp(22px, 4vw, 44px); }
.tf26-figure { margin: 0 0 36px; overflow: hidden; border: 1px solid var(--tf26-line); border-radius: 14px; background: var(--tf26-bg-deep); }
.tf26-figure img { width: 100%; aspect-ratio: 16/7.4; object-fit: cover; }
.tf26-figure figcaption { padding: 10px 13px; color: var(--tf26-muted); font-size: 12px; }
.tf26-article-body > p:first-child { color: #f0f4ff; font-size: 18px; }
.tf26-article-body h2, .tf26-article-body h3 { scroll-margin-top: 100px; color: white; line-height: 1.22; text-wrap: balance; }
.tf26-article-body h2 { margin: 46px 0 16px; font-size: clamp(25px, 3vw, 34px); }
.tf26-article-body h2::after { display: block; width: 54px; height: 3px; margin-top: 12px; border-radius: 9px; background: linear-gradient(90deg, var(--tf26-blue), var(--tf26-cyan)); content: ""; }
.tf26-article-body h3 { margin: 30px 0 11px; font-size: 21px; }
.tf26-article-body p { margin: 0 0 20px; }
.tf26-article-body strong { color: #d9e1ff; }
.tf26-article-body ul, .tf26-article-body ol { margin: 0 0 25px; padding-left: 24px; }
.tf26-article-body li { margin: 8px 0; }
.tf26-article-body li::marker { color: var(--tf26-blue); font-weight: 800; }
.tf26-table-wrap { width: 100%; margin: 26px 0 34px; overflow-x: auto; border: 1px solid var(--tf26-line); border-radius: 13px; }
.tf26-table-wrap table { width: 100%; border-collapse: collapse; font-size: 14px; }
.tf26-table-wrap th, .tf26-table-wrap td { min-width: 140px; padding: 13px 14px; border-right: 1px solid var(--tf26-line); border-bottom: 1px solid var(--tf26-line); text-align: left; vertical-align: top; }
.tf26-table-wrap th:last-child, .tf26-table-wrap td:last-child { border-right: 0; }
.tf26-table-wrap tr:last-child td { border-bottom: 0; }
.tf26-table-wrap th { background: rgba(99,128,247,.2); color: white; }
.tf26-table-wrap tr:nth-child(even) td { background: rgba(255,255,255,.02); }
.tf26-disclaimer { margin-top: 42px; padding: 20px 21px; border: 1px solid rgba(101,217,255,.25); border-left: 4px solid var(--tf26-cyan); border-radius: 0 13px 13px 0; background: rgba(101,217,255,.055); }
.tf26-disclaimer strong { color: white; }
.tf26-disclaimer p { margin: 5px 0 0; color: var(--tf26-muted); font-size: 14px; }

.tf26-sidebar { position: sticky; top: 102px; display: grid; gap: 18px; }
.tf26-side-card { padding: 22px; }
.tf26-side-label { display: block; margin-bottom: 13px; color: var(--tf26-blue-soft); font-size: 11px; font-weight: 850; letter-spacing: .13em; text-transform: uppercase; }
.tf26-side-card ol { margin: 0; padding: 0; list-style: none; counter-reset: tf26-toc; }
.tf26-side-card li { counter-increment: tf26-toc; }
.tf26-side-card li a { display: grid; grid-template-columns: 26px 1fr; gap: 7px; padding: 7px 0; color: #bfc9dd; font-size: 12px; line-height: 1.35; text-decoration: none; }
.tf26-side-card li a::before { color: var(--tf26-blue); content: counter(tf26-toc, decimal-leading-zero); font-size: 10px; font-weight: 800; }
.tf26-side-card li a:hover { color: white; }
.tf26-side-cta { background: linear-gradient(145deg, rgba(99,128,247,.24), rgba(15,21,34,.98)); }
.tf26-side-cta strong { display: block; color: white; font-size: 19px; line-height: 1.3; }
.tf26-side-cta p { color: var(--tf26-muted); font-size: 13px; line-height: 1.55; }
.tf26-side-cta .tf26-button { width: 100%; }
.tf26-mobile-toc { display: none; }

.tf26-related { padding: 70px 22px 82px; border-top: 1px solid var(--tf26-line); background: #090d15; }
.tf26-related-inner { max-width: var(--tf26-max); margin: auto; }
.tf26-section-heading span { color: var(--tf26-blue-soft); font-size: 11px; font-weight: 850; letter-spacing: .14em; text-transform: uppercase; }
.tf26-section-heading h2 { margin: 5px 0 26px; color: white; font-size: clamp(27px, 3vw, 38px); line-height: 1.15; }
.tf26-related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.tf26-related-card { position: relative; min-height: 164px; padding: 25px; overflow: hidden; border: 1px solid var(--tf26-line); border-radius: 15px; background: linear-gradient(145deg, var(--tf26-panel-2), var(--tf26-panel)); text-decoration: none; transition: border-color .18s ease, transform .18s ease; }
.tf26-related-card:hover { border-color: rgba(99,128,247,.6); transform: translateY(-2px); }
.tf26-related-card span { display: block; margin-bottom: 11px; color: var(--tf26-blue-soft); font-size: 11px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.tf26-related-card strong { display: block; max-width: 85%; color: white; font-size: 20px; line-height: 1.3; }
.tf26-related-card b { position: absolute; right: 24px; bottom: 20px; color: var(--tf26-cyan); font-size: 23px; }

.tf26-footer { border-top: 1px solid var(--tf26-line); background: var(--tf26-bg-deep); }
.tf26-footer-inner { width: min(calc(100% - 44px), var(--tf26-max)); margin: auto; padding: 48px 0; display: grid; grid-template-columns: 1.5fr 1fr auto auto; gap: 30px; align-items: center; }
.tf26-footer-brand img { width: 150px; margin-bottom: 14px; }
.tf26-footer-brand p { max-width: 520px; margin: 0; color: #8793ab; font-size: 12px; }
.tf26-footer-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 7px 20px; }
.tf26-footer-nav a { color: #b5c0d6; font-size: 12px; text-decoration: none; }
.tf26-language-links { display: flex; gap: 10px; align-items: center; }
.tf26-language-link {
  display: grid;
  width: 54px;
  height: 54px;
  place-content: center;
  border: 1px solid rgba(99,128,247,.4);
  border-radius: 50%;
  background: linear-gradient(145deg, rgba(99,128,247,.18), rgba(15,21,34,.95));
  box-shadow: 0 12px 30px rgba(0,0,0,.22), inset 0 1px rgba(255,255,255,.08);
  text-align: center;
  text-decoration: none;
  transition: border-color .18s ease, transform .18s ease;
}
.tf26-language-link:hover { border-color: var(--tf26-blue); transform: translateY(-2px); }
.tf26-language-link span { font-size: 25px; line-height: 1; }
.tf26-age { display: grid; width: 88px; height: 88px; place-content: center; border: 1px solid var(--tf26-line); border-radius: 50%; color: white; font-size: 23px; font-weight: 850; text-align: center; }
.tf26-age span { display: block; color: var(--tf26-muted); font-size: 8px; font-weight: 600; }
.tf26-footer-bottom { padding: 14px 22px; border-top: 1px solid var(--tf26-line); color: #77829a; font-size: 11px; text-align: center; }

@media (max-width: 1120px) {
  .tf26-header-inner { grid-template-columns: 160px 1fr auto; }
  .tf26-nav-link { padding-inline: 6px; font-size: 11px; }
  .tf26-header-actions .tf26-button-ghost { display: none; }
}
@media (max-width: 900px) {
  .tf26-header-inner { grid-template-columns: 1fr auto auto; }
  .tf26-menu-toggle { display: block; }
  .tf26-nav { position: absolute; left: 18px; right: 18px; top: calc(100% + 1px); display: none; padding: 12px; border: 1px solid var(--tf26-line); border-radius: 0 0 14px 14px; background: #0d121e; box-shadow: 0 20px 50px rgba(0,0,0,.45); }
  .tf26-nav.tf26-nav-open { display: grid; }
  .tf26-nav-link { padding: 11px 12px; font-size: 13px; }
  .tf26-shell { grid-template-columns: 1fr; padding-top: 36px; }
  .tf26-sidebar { display: none; }
  .tf26-mobile-toc { display: block; margin-bottom: 24px; border: 1px solid var(--tf26-line); border-radius: 12px; background: rgba(255,255,255,.025); }
  .tf26-mobile-toc button { width: 100%; padding: 13px 15px; display: flex; justify-content: space-between; border: 0; background: transparent; color: white; font: inherit; font-weight: 750; }
  .tf26-mobile-toc ol { display: none; margin: 0; padding: 0 18px 14px 34px; }
  .tf26-mobile-toc.tf26-toc-open ol { display: block; }
  .tf26-mobile-toc a { color: #bfc9dd; font-size: 12px; text-decoration: none; }
  .tf26-footer-inner { grid-template-columns: 1fr 1fr auto; }
  .tf26-age { display: none; }
}
@media (max-width: 640px) {
  .tf26-header-inner { min-height: 68px; }
  .tf26-logo img { width: 145px; }
  .tf26-header-actions .tf26-button { min-height: 40px; padding: 9px 12px; font-size: 10px; }
  .tf26-hero-inner { min-height: 430px; }
  .tf26-hero-copy { padding: 55px 0; }
  .tf26-hero h1 { font-size: 39px; }
  .tf26-hero-actions { align-items: flex-start; flex-direction: column; }
  .tf26-proof-grid { grid-template-columns: 1fr 1fr; }
  .tf26-proof-grid div { padding: 12px 16px; border-bottom: 1px solid var(--tf26-line); }
  .tf26-proof-grid div:nth-child(2) { border-right: 0; }
  .tf26-proof-grid div:nth-child(n+3) { border-bottom: 0; }
  .tf26-shell { width: min(calc(100% - 26px), var(--tf26-max)); }
  .tf26-content { padding: 18px; }
  .tf26-article-body > p:first-child { font-size: 16px; }
  .tf26-related { padding-inline: 13px; }
  .tf26-related-grid { grid-template-columns: 1fr; }
  .tf26-footer-inner { grid-template-columns: 1fr auto; }
  .tf26-footer-brand, .tf26-footer-nav { grid-column: 1 / -1; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}
