/* Britsino review — design tokens */
:root {
  --bg: #0b0620;
  --bg-2: #120a2e;
  --surface: #1a0f3d;
  --surface-2: #231450;
  --line: rgba(173, 140, 255, .18);
  --ink: #f4f0ff;
  --ink-2: rgba(244, 240, 255, .78);
  --ink-3: rgba(244, 240, 255, .56);
  --pink: #ff3fcf;
  --pink-2: #ff7ae0;
  --cyan: #35e4ff;
  --bronze: #f0a766;
  --green: #22c173;
  --green-2: #16a35e;
  --r-sm: 10px;
  --r-md: 16px;
  --r-lg: 24px;
  --shadow: 0 18px 50px -20px rgba(0, 0, 0, .7);
  --glow-pink: 0 0 0 1px rgba(255, 63, 207, .35), 0 10px 40px -12px rgba(255, 63, 207, .55);
  --wrap: 1200px;
  --hdr-h: 72px;
  --font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  --font-head: "Outfit", "Inter", system-ui, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.7;
  color: var(--ink);
  background:
    radial-gradient(1200px 600px at 85% -10%, rgba(255, 63, 207, .16), transparent 60%),
    radial-gradient(900px 500px at -10% 20%, rgba(53, 228, 255, .10), transparent 60%),
    radial-gradient(700px 400px at 50% 110%, rgba(34, 193, 115, .08), transparent 60%),
    var(--bg);
  background-attachment: fixed;
  min-height: 100vh;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--cyan); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--pink-2); }
:focus-visible { outline: 2px solid var(--cyan); outline-offset: 3px; border-radius: 6px; }

.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 20px; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 46px; padding: 0 22px; border-radius: 999px;
  font: 700 15px/1 var(--font); letter-spacing: .01em; text-decoration: none;
  border: 0; cursor: pointer; white-space: nowrap;
  transition: transform .15s ease, box-shadow .2s ease, background .2s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn--go { color: #fff; background: linear-gradient(135deg, var(--green), var(--green-2)); box-shadow: 0 10px 30px -10px rgba(34, 193, 115, .8); }
.btn--go:hover { color: #fff; box-shadow: 0 14px 34px -10px rgba(34, 193, 115, .95); }
.btn--ghost { color: var(--ink); background: rgba(255, 255, 255, .06); box-shadow: inset 0 0 0 1px var(--line); }
.btn--ghost:hover { color: var(--ink); background: rgba(255, 255, 255, .1); }

/* ---------- header ---------- */
.hdr {
  position: sticky; top: 0; z-index: 50;
  background: rgba(11, 6, 32, .78);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.hdr__in { display: flex; align-items: center; gap: 24px; height: var(--hdr-h); }
.hdr__logo { flex: none; display: block; }
.hdr__logo img { width: 150px; height: auto; }
.hdr__nav { display: flex; align-items: center; gap: 4px; margin-left: auto; }
.hdr__nav a {
  padding: 9px 14px; border-radius: 999px; color: var(--ink-2);
  font: 600 15px/1 var(--font); text-decoration: none;
}
.hdr__nav a:hover { color: var(--ink); background: rgba(255, 255, 255, .06); }
.hdr__nav a.is-active { color: #fff; background: linear-gradient(135deg, rgba(255, 63, 207, .28), rgba(53, 228, 255, .18)); box-shadow: inset 0 0 0 1px rgba(255, 63, 207, .35); }
.hdr__cta { flex: none; }
.hdr__burger { display: none; }
.nav-toggle { position: absolute; opacity: 0; pointer-events: none; }

/* ---------- breadcrumbs ---------- */
.crumbs { margin: 22px 0 14px; font-size: 14px; color: var(--ink-3); }
.crumbs ol { display: flex; flex-wrap: wrap; gap: 6px; list-style: none; margin: 0; padding: 0; }
.crumbs li + li::before { content: "›"; margin-right: 6px; color: var(--ink-3); }
.crumbs a { color: var(--ink-2); text-decoration: none; }
.crumbs a:hover { color: var(--pink-2); }

/* ---------- hero slider (home) ---------- */
.hero { position: relative; margin-top: 24px; }
.hero__track {
  display: flex; gap: 16px; overflow-x: auto; scroll-snap-type: x mandatory;
  scrollbar-width: none; border-radius: var(--r-lg);
}
.hero__track::-webkit-scrollbar { display: none; }
.hero__slide {
  position: relative; flex: 0 0 100%; scroll-snap-align: start;
  border-radius: var(--r-lg); overflow: hidden; background: var(--bg-2);
  box-shadow: var(--shadow), inset 0 0 0 1px var(--line);
}
.hero__slide img { width: 100%; height: 360px; object-fit: cover; }
.hero__copy {
  position: absolute; top: 50%; right: 36px; transform: translateY(-50%);
  width: min(360px, 36%); display: flex; flex-direction: column; gap: 14px;
}
.hero__kicker { margin: 0; font: 700 13px/1 var(--font); letter-spacing: .14em; text-transform: uppercase; color: var(--cyan); }
.hero__line { margin: 0; font: 800 clamp(24px, 2.6vw, 34px)/1.15 var(--font-head); color: #fff; text-shadow: 0 4px 24px rgba(0, 0, 0, .6); }
.hero__line em { font-style: normal; color: var(--pink-2); }
.hero__note { margin: 0; font-size: 12px; line-height: 1.4; color: var(--ink-3); }
.hero__dots { display: flex; justify-content: center; gap: 8px; margin-top: 14px; }
.hero__dot { width: 9px; height: 9px; padding: 0; border: 0; border-radius: 99px; background: rgba(255, 255, 255, .25); cursor: pointer; transition: width .2s ease, background .2s ease; }
.hero__dot.is-on { width: 28px; background: linear-gradient(90deg, var(--pink), var(--cyan)); }

/* ---------- feature cards (home) ---------- */
.adv { margin: 34px 0 10px; }
.adv__list {
  display: grid; grid-auto-flow: column; grid-auto-columns: minmax(280px, 1fr);
  gap: 16px; overflow-x: auto; scroll-snap-type: x mandatory; padding-bottom: 8px; scrollbar-width: thin;
}
.adv__card {
  position: relative; scroll-snap-align: start; border-radius: var(--r-md); overflow: hidden;
  text-decoration: none; color: var(--ink); background: var(--surface);
  box-shadow: inset 0 0 0 1px var(--line); aspect-ratio: 560 / 304;
  transition: transform .2s ease, box-shadow .2s ease;
}
.adv__card:hover { transform: translateY(-3px); box-shadow: var(--glow-pink); color: var(--ink); }
.adv__card img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.adv__card::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(11, 6, 32, .85) 0%, rgba(11, 6, 32, .55) 40%, transparent 65%); }
.adv__txt { z-index: 1; }
.adv__txt { position: absolute; left: 18px; top: 50%; transform: translateY(-50%); width: 46%; }
.adv__t { display: block; font: 800 19px/1.2 var(--font-head); }
.adv__s { display: block; margin-top: 6px; font-size: 13px; line-height: 1.45; color: var(--ink-2); }

/* ---------- page banner (inner) ---------- */
.banner { margin: 6px 0 0; border-radius: var(--r-lg); overflow: hidden; box-shadow: var(--shadow), inset 0 0 0 1px var(--line); background: var(--bg-2); }
.banner img { width: 100%; height: 340px; object-fit: cover; object-position: center; }

/* ---------- article ---------- */
.article {
  margin: 30px auto 60px; max-width: 900px;
  padding: 44px 52px; border-radius: var(--r-lg);
  background: linear-gradient(180deg, rgba(35, 20, 80, .72), rgba(18, 10, 46, .72));
  box-shadow: inset 0 0 0 1px var(--line), var(--shadow);
}
.article h1 {
  margin: 0 0 22px; font: 800 clamp(30px, 4vw, 44px)/1.12 var(--font-head);
  background: linear-gradient(90deg, #fff 0%, var(--pink-2) 55%, var(--cyan) 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.article h2 {
  position: relative; margin: 46px 0 14px; padding-left: 18px;
  font: 700 clamp(22px, 2.4vw, 28px)/1.25 var(--font-head); color: #fff;
}
.article h2::before {
  content: ""; position: absolute; left: 0; top: .2em; bottom: .2em; width: 5px; border-radius: 4px;
  background: linear-gradient(180deg, var(--pink), var(--cyan));
}
.article h3 { margin: 28px 0 10px; font: 700 20px/1.3 var(--font-head); color: var(--pink-2); }
.article p { margin: 0 0 16px; color: var(--ink-2); }
.article strong { color: var(--ink); }
.article ul, .article ol { margin: 0 0 18px; padding-left: 0; list-style: none; color: var(--ink-2); }
.article li { position: relative; margin: 0 0 10px; padding-left: 30px; }
.article ul li::before {
  content: ""; position: absolute; left: 6px; top: .72em; width: 8px; height: 8px; border-radius: 50%;
  background: var(--pink); box-shadow: 0 0 10px var(--pink);
}
.article ol { counter-reset: n; }
.article ol li { counter-increment: n; }
.article ol li::before {
  content: counter(n); position: absolute; left: 0; top: .18em; width: 22px; height: 22px; border-radius: 50%;
  display: grid; place-items: center; font: 700 12px/1 var(--font); color: #0b0620;
  background: linear-gradient(135deg, var(--cyan), var(--pink-2));
}
.article figure { margin: 26px 0; }
.article figure img { width: 100%; border-radius: var(--r-md); box-shadow: inset 0 0 0 1px var(--line); }
.fig--square { max-width: 520px; margin-left: auto !important; margin-right: auto !important; }
.fig--strip a { display: block; border-radius: var(--r-md); overflow: hidden; }
.fig--strip + .fig--strip { margin-top: -12px; }
.shot { margin: 24px 0 26px; }
.shot img { width: 100%; border-radius: var(--r-md); box-shadow: 0 0 0 1px var(--line), var(--shadow); background: #000; }
.shot figcaption { margin-top: 10px; font-size: 14px; line-height: 1.5; color: var(--ink-3); }
.doc-pic { border-radius: var(--r-md); margin: 6px 0 26px; width: 100%; }

.tbl { margin: 8px 0 22px; overflow-x: auto; border-radius: var(--r-md); box-shadow: inset 0 0 0 1px var(--line); }
.tbl table { width: 100%; border-collapse: collapse; font-size: 15px; min-width: 520px; }
.tbl th, .tbl td { padding: 12px 16px; text-align: left; vertical-align: top; border-bottom: 1px solid var(--line); }
.tbl th { font-weight: 700; color: #fff; background: linear-gradient(90deg, rgba(255, 63, 207, .22), rgba(53, 228, 255, .14)); }
.tbl td { color: var(--ink-2); }
.tbl tr:last-child td { border-bottom: 0; }
.tbl tbody tr:nth-child(even) td { background: rgba(255, 255, 255, .025); }

/* FAQ accordion */
.faq { display: grid; gap: 10px; margin: 6px 0 10px; }
.faq__item { border-radius: var(--r-md); background: rgba(255, 255, 255, .035); box-shadow: inset 0 0 0 1px var(--line); }
.faq__item[open] { background: rgba(255, 63, 207, .07); box-shadow: inset 0 0 0 1px rgba(255, 63, 207, .35); }
.faq__q {
  list-style: none; cursor: pointer; display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 16px 20px; font: 600 16px/1.4 var(--font); color: #fff;
}
.faq__q::-webkit-details-marker { display: none; }
.faq__q::after {
  content: "+"; flex: none; width: 28px; height: 28px; border-radius: 50%; display: grid; place-items: center;
  font: 700 18px/1 var(--font); color: var(--cyan); background: rgba(53, 228, 255, .1); transition: transform .2s ease;
}
.faq__item[open] .faq__q::after { transform: rotate(45deg); color: var(--pink-2); background: rgba(255, 63, 207, .15); }
.faq__a { padding: 0 20px 6px; }

.cta-box {
  display: flex; align-items: center; justify-content: space-between; gap: 18px; flex-wrap: wrap;
  margin: 34px 0 6px; padding: 22px 24px; border-radius: var(--r-md);
  background: linear-gradient(120deg, rgba(255, 63, 207, .16), rgba(53, 228, 255, .1));
  box-shadow: inset 0 0 0 1px rgba(255, 63, 207, .3);
}
.cta-box p { margin: 0; color: var(--ink); font-weight: 600; }
.cta-box small { display: block; margin-top: 4px; color: var(--ink-3); font-weight: 400; font-size: 13px; }

/* contact form */
.form { display: grid; gap: 14px; margin: 10px 0 20px; }
.form label { display: grid; gap: 6px; font-size: 14px; font-weight: 600; color: var(--ink); }
.form input, .form textarea {
  width: 100%; padding: 12px 14px; border-radius: var(--r-sm); border: 1px solid var(--line);
  background: rgba(0, 0, 0, .25); color: var(--ink); font: 400 16px/1.5 var(--font);
}
.form textarea { min-height: 150px; resize: vertical; }
.form input:focus, .form textarea:focus { outline: none; border-color: var(--pink); box-shadow: 0 0 0 3px rgba(255, 63, 207, .2); }
.form__hp { position: absolute; left: -9999px; }
.form__ok { padding: 14px 18px; border-radius: var(--r-sm); background: rgba(34, 193, 115, .15); box-shadow: inset 0 0 0 1px rgba(34, 193, 115, .5); color: var(--ink); }
.form__err { padding: 14px 18px; border-radius: var(--r-sm); background: rgba(255, 80, 80, .12); box-shadow: inset 0 0 0 1px rgba(255, 80, 80, .45); color: var(--ink); }

/* ---------- footer ---------- */
.ftr { margin-top: 40px; padding: 48px 0 30px; border-top: 1px solid var(--line); background: rgba(8, 4, 24, .7); }
.ftr__grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 34px; }
.ftr__logo img { width: 170px; }
.ftr__about { margin: 14px 0 0; font-size: 14px; line-height: 1.6; color: var(--ink-3); max-width: 420px; }
.ftr__h { margin: 0 0 12px; font: 700 14px/1 var(--font); letter-spacing: .12em; text-transform: uppercase; color: var(--ink-3); }
.ftr__links { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.ftr__links a { color: var(--ink-2); text-decoration: none; font-size: 15px; }
.ftr__links a:hover { color: var(--pink-2); }
.ftr__trust { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-top: 34px; padding-top: 24px; border-top: 1px solid var(--line); }
.ftr__trust a, .ftr__age {
  display: inline-flex; align-items: center; min-height: 36px; padding: 0 14px; border-radius: 999px;
  font-size: 13px; font-weight: 600; text-decoration: none; color: var(--ink-2); background: rgba(255, 255, 255, .05); box-shadow: inset 0 0 0 1px var(--line);
}
.ftr__trust a:hover { color: #fff; box-shadow: inset 0 0 0 1px rgba(53, 228, 255, .5); }
.ftr__age { color: #fff; background: linear-gradient(135deg, var(--pink), #b21fa0); box-shadow: none; }
.ftr__copy { margin: 20px 0 0; font-size: 13px; color: var(--ink-3); }

/* 404 */
.nf { text-align: center; padding: 40px 0 10px; }
.nf__code { font: 800 110px/1 var(--font-head); background: linear-gradient(90deg, var(--pink), var(--cyan)); -webkit-background-clip: text; background-clip: text; color: transparent; }

/* ---------- responsive ---------- */
@media (max-width: 1080px) {
  .hdr__nav { position: fixed; top: var(--hdr-h); left: 0; right: 0; flex-direction: column; align-items: stretch; gap: 2px;
    padding: 12px 16px 18px; background: rgba(11, 6, 32, .97); border-bottom: 1px solid var(--line);
    transform: translateY(-8px); opacity: 0; visibility: hidden; transition: all .2s ease; margin: 0; }
  .hdr__nav a { padding: 13px 14px; font-size: 16px; }
  .nav-toggle:checked ~ .hdr__nav { transform: none; opacity: 1; visibility: visible; }
  .hdr__burger { display: grid; place-items: center; width: 44px; height: 44px; margin-left: auto; border-radius: 12px; cursor: pointer; color: var(--ink); background: rgba(255, 255, 255, .06); }
  .hdr__cta { margin-left: 0; }
}
@media (max-width: 760px) {
  body { font-size: 16px; }
  .hdr__logo img { width: 120px; }
  .hdr__cta { min-height: 40px; padding: 0 16px; font-size: 14px; }
  .hero__slide img { height: 480px; }
  .hero__copy { top: auto; bottom: 18px; left: 16px; right: 16px; transform: none; width: auto; gap: 10px;
    padding: 16px; border-radius: var(--r-md); background: linear-gradient(180deg, rgba(11, 6, 32, .35), rgba(11, 6, 32, .88)); }
  .hero__copy .btn { width: 100%; }
  .adv__list { grid-auto-columns: 86%; }
  .banner img { height: 220px; }
  .article { padding: 28px 20px; border-radius: var(--r-md); margin-top: 20px; }
  .article h2 { margin-top: 36px; }
  .ftr__grid { grid-template-columns: 1fr 1fr; }
  .ftr__brand { grid-column: 1 / -1; }
}
@media (max-width: 420px) {
  .hdr__in { gap: 12px; }
  .hdr__cta { padding: 0 12px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .btn, .adv__card, .hero__dot { transition: none; }
}
.shot img[width="640"] { max-width: 420px; margin: 0 auto; }
