:root {
  --ink-950: #050913;
  --ink-900: #091225;
  --ink-850: #0d1930;
  --ink-800: #12223c;
  --ink-700: #20395e;
  --paper: #f7f8fb;
  --paper-soft: #d9e3f1;
  --muted: #9fb0c7;
  --cobalt: #3378f6;
  --cobalt-bright: #62a2ff;
  --coral: #ff6d54;
  --amber: #ffb454;
  --line: rgba(125, 164, 222, .2);
  --line-strong: rgba(125, 164, 222, .38);
  --shadow: 0 22px 64px rgba(0, 0, 0, .25);
  --radius-sm: 12px;
  --radius: 20px;
  --radius-lg: 30px;
  --container: 1180px;
  --header-height: 76px;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 18px);
  overflow-x: hidden;
}

body {
  margin: 0;
  padding-top: var(--header-height);
  overflow-x: hidden;
  color: var(--paper-soft);
  background: var(--ink-950);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.72;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body.menu-open { overflow: hidden; }

a { color: inherit; }
img { display: block; max-width: 100%; }
button, a { -webkit-tap-highlight-color: transparent; }

.container {
  width: min(var(--container), calc(100% - 48px));
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 10px;
  left: 12px;
  padding: 10px 14px;
  color: var(--ink-950);
  background: var(--paper);
  border-radius: 10px;
  transform: translateY(-160%);
}

.skip-link:focus { transform: translateY(0); }

.site-header {
  position: fixed;
  z-index: 100;
  top: 0;
  right: 0;
  left: 0;
  width: 100%;
  min-height: var(--header-height);
  border-bottom: 1px solid var(--line);
  background: rgba(5, 9, 19, .9);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
}

.header-inner {
  min-height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.brand {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  flex: 0 0 auto;
}

.brand-logo {
  display: block;
  width: 112px;
  height: 52px;
  object-fit: contain;
}

.site-menu {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: clamp(24px, 4vw, 54px);
}

.primary-nav, .header-actions { display: flex; align-items: center; }
.primary-nav { gap: 30px; }
.header-actions { gap: 10px; }

.nav-link, .footer-links a {
  position: relative;
  color: var(--paper-soft);
  text-decoration: none;
}

.nav-link {
  padding: 25px 0 22px;
  font-size: 14px;
  font-weight: 760;
}

.nav-link::after, .footer-links a::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 14px;
  left: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--cobalt-bright), var(--coral));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .24s ease;
}

.nav-link:hover::after, .nav-link:focus-visible::after, .nav-link[aria-current="page"]::after,
.footer-links a:hover::after, .footer-links a:focus-visible::after { transform: scaleX(1); }

.menu-toggle {
  display: none;
  width: 46px;
  height: 46px;
  padding: 11px;
  border: 1px solid var(--line-strong);
  border-radius: 13px;
  color: var(--paper);
  background: var(--ink-850);
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  height: 2px;
  margin: 5px 0;
  border-radius: 2px;
  background: currentColor;
  transform-origin: center;
  transition: transform .25s ease, opacity .18s ease;
}

.menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; transform: scaleX(.2); }
.menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.btn {
  position: relative;
  isolation: isolate;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 10px 18px;
  border: 1px solid transparent;
  border-radius: 12px;
  color: #fff;
  font-size: 14px;
  font-weight: 850;
  line-height: 1.2;
  text-align: center;
  text-decoration: none;
  white-space: nowrap;
  box-shadow: 0 10px 28px rgba(0, 0, 0, .18);
  transition: transform .16s ease, box-shadow .2s ease, border-color .2s ease, background-color .2s ease;
}

.btn::before {
  content: "";
  position: absolute;
  z-index: 2;
  inset: -2px;
  padding: 2px;
  pointer-events: none;
  opacity: 0;
  border-radius: 14px;
  background: linear-gradient(105deg, #7c0c00, #ff3e12, #ffd06a, #ff6a1f, #8e0e00, #ffb23e, #ff3e12);
  background-size: 260% 100%;
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  mask-composite: exclude;
  animation: hell-button-fireline 1.15s linear infinite;
  transition: opacity .16s ease;
}

.btn:hover::before, .btn:focus-visible::before, .btn:active::before { opacity: 1; }

@keyframes hell-button-fireline {
  to { background-position: 260% 0; }
}

.btn-icon {
  flex: 0 0 auto;
  width: 20px;
  height: 20px;
  object-fit: contain;
}

.hell-tap-soft {
  position: fixed;
  z-index: 9998;
  width: 22px;
  height: 22px;
  pointer-events: none;
  border: 1px solid rgba(255, 174, 83, .55);
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 231, 174, .72) 0 8%, rgba(255, 137, 52, .34) 30%, rgba(255, 58, 20, 0) 68%);
  box-shadow: 0 0 12px rgba(255, 151, 61, .52), 0 0 24px rgba(255, 55, 18, .22);
  transform: translate(-50%, -50%) scale(.38);
  animation: hell-tap-soft .42s cubic-bezier(.18, .72, .28, 1) forwards;
  will-change: transform, opacity;
}

@keyframes hell-tap-soft {
  0% { opacity: .72; transform: translate(-50%, -50%) scale(.38); }
  100% { opacity: 0; transform: translate(-50%, -50%) scale(2.45); }
}

.btn:hover, .btn:focus-visible { transform: translateY(-2px); box-shadow: 0 0 13px rgba(255, 133, 45, .46), 0 0 30px rgba(255, 48, 14, .24), 0 16px 34px rgba(0, 0, 0, .28); }
.btn:active { transform: translateY(2px) scale(.985); box-shadow: 0 5px 14px rgba(0, 0, 0, .2); }

.btn-primary {
  color: #07101f;
  background: linear-gradient(135deg, var(--amber), #ff805f);
  border-color: rgba(255, 255, 255, .22);
}

.btn-quiet { background: rgba(18, 34, 60, .78); border-color: var(--line-strong); }
.btn-section { color: #fff; background: rgba(51, 120, 246, .14); border-color: rgba(98, 162, 255, .54); }

.page-hero {
  position: relative;
  width: min(var(--container), calc(100% - 48px));
  min-height: clamp(530px, 68vh, 720px);
  display: grid;
  align-items: center;
  isolation: isolate;
  margin-inline: auto;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background-color: var(--ink-900);
  background-image: var(--hero-image);
  background-position: 72% center;
  background-size: cover;
  box-shadow: var(--shadow);
}

.hero-overlay, .promo-overlay {
  position: absolute;
  z-index: -1;
  inset: 0;
  pointer-events: none;
}

.hero-overlay {
  background:
    linear-gradient(90deg, rgba(5, 9, 19, .98) 0%, rgba(5, 9, 19, .86) 38%, rgba(5, 9, 19, .28) 68%, rgba(5, 9, 19, .08) 100%),
    linear-gradient(0deg, rgba(5, 9, 19, .72), transparent 42%);
}

.hero-inner { padding-block: 80px; }

.hero-copy { width: min(690px, 66%); }

.hero-copy h1 {
  width: 100%;
  margin: 0;
  color: #fff;
  font-size: clamp(38px, 5vw, 72px);
  font-weight: 930;
  line-height: 1.03;
  letter-spacing: -.055em;
  text-wrap: wrap;
  word-break: normal;
  overflow-wrap: normal;
}

.hero-copy p {
  width: min(650px, 100%);
  margin: 24px 0 0;
  color: #dce7f8;
  font-size: clamp(17px, 1.65vw, 21px);
  line-height: 1.62;
}

.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.hero-actions .btn { min-height: 50px; padding-inline: 24px; }

.content-section {
  position: relative;
  padding: 34px 0;
  background-color: var(--ink-950);
}

.content-section:nth-of-type(even) { background-color: #070d1a; }

.content-section::before, .site-footer::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: .16;
  background-image:
    linear-gradient(45deg, transparent 43%, rgba(98, 162, 255, .2) 44% 46%, transparent 47%),
    linear-gradient(-45deg, transparent 43%, rgba(98, 162, 255, .13) 44% 46%, transparent 47%);
  background-size: 44px 44px;
  -webkit-mask-image: linear-gradient(90deg, #000, transparent 38%);
  mask-image: linear-gradient(90deg, #000, transparent 38%);
}

.content-card {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
  padding: clamp(25px, 4vw, 48px);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: linear-gradient(145deg, rgba(18, 34, 60, .86), rgba(8, 16, 32, .92));
  box-shadow: var(--shadow);
}

.section-heading {
  width: 100%;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 13px;
  align-items: start;
}

.section-heading h2 {
  width: 100%;
  margin: 0;
  color: #fff;
  font-size: clamp(25px, 3vw, 40px);
  font-weight: 880;
  line-height: 1.16;
  letter-spacing: -.035em;
  text-wrap: wrap;
  word-break: normal;
  overflow-wrap: normal;
}

.heading-rule {
  grid-column: 1;
  width: min(180px, 44%);
  height: 3px;
  border-radius: 3px;
  background: linear-gradient(90deg, var(--cobalt-bright), var(--coral));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .72s cubic-bezier(.2, .7, .2, 1) .14s;
}

.is-visible .heading-rule { transform: scaleX(1); }

.section-body { width: 100%; min-width: 0; }
.section-body > :first-child { margin-top: 0; }
.section-body > :last-child { margin-bottom: 0; }

.section-body p {
  width: 100%;
  max-width: none;
  margin: 0 0 17px;
  color: var(--paper-soft);
  word-break: normal;
  overflow-wrap: normal;
  hyphens: none;
}

.section-body h3 {
  width: 100%;
  max-width: none;
  margin: 30px 0 13px;
  color: #fff;
  font-size: clamp(19px, 2vw, 25px);
  line-height: 1.3;
  letter-spacing: -.02em;
  word-break: normal;
  overflow-wrap: normal;
}

.content-list {
  width: 100%;
  max-width: none;
  display: grid;
  gap: 10px;
  margin: 18px 0 22px;
  padding: 0;
  list-style: none;
  counter-reset: content-list;
}

ol.content-list { counter-reset: ordered-list; }

.content-list li {
  position: relative;
  min-height: 46px;
  display: flex;
  align-items: center;
  padding: 12px 16px 12px 49px;
  border: 1px solid rgba(125, 164, 222, .16);
  border-radius: var(--radius-sm);
  background: rgba(6, 13, 27, .48);
  color: #e3ebf7;
  transition: transform .22s ease, border-color .22s ease, background-color .22s ease;
}

.content-list li::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 18px;
  width: 10px;
  height: 10px;
  border: 2px solid var(--cobalt-bright);
  transform: translateY(-50%) rotate(45deg);
}

ol.content-list li { counter-increment: ordered-list; }
ol.content-list li::before {
  content: counter(ordered-list, decimal-leading-zero);
  width: 24px;
  height: 24px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(98, 162, 255, .64);
  border-radius: 7px;
  color: var(--cobalt-bright);
  font-size: 10px;
  font-weight: 900;
  transform: translateY(-50%);
}

.content-list li:hover {
  border-color: rgba(98, 162, 255, .5);
  background: rgba(18, 34, 60, .68);
  transform: perspective(700px) rotateX(.65deg) rotateY(-.8deg) translateY(-2px);
}

.section-proscons .content-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.section-metrics .content-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.review-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.review-list .review-card {
  min-width: 0;
  display: block;
  padding: 20px;
  font-style: normal;
  border-color: rgba(255, 112, 77, .26);
  background: linear-gradient(145deg, rgba(15, 31, 57, .92), rgba(20, 12, 22, .9));
}
.review-list .review-card::before { display: none; }
.review-card-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.review-author { min-width: 0; display: flex; align-items: center; gap: 10px; color: #fff; font-style: normal; }
.review-author-copy { min-width: 0; display: grid; gap: 3px; }
.review-author strong { overflow-wrap: anywhere; }
.review-author time { color: #8fa2bd; font-size: 11px; font-weight: 700; line-height: 1.2; }
.review-avatar {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  flex: 0 0 34px;
  border: 1px solid rgba(255, 121, 79, .72);
  border-radius: 50%;
  background: rgba(255, 97, 58, .13);
  color: #ffb16e;
  font-size: 11px;
  font-weight: 900;
  letter-spacing: .04em;
}
.review-rating {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  flex: 0 0 auto;
  padding: 7px 10px;
  border: 1px solid rgba(255, 181, 80, .48);
  border-radius: 999px;
  background: rgba(255, 146, 53, .1);
  color: #fff;
  font-size: 12px;
  font-weight: 900;
  line-height: 1;
  white-space: nowrap;
}
.review-rating > span { color: #ffc657; }
.review-card blockquote { margin: 16px 0 0; }
.review-card .review-text { margin: 0; color: #e5edf9; font-style: italic; }
.review-rating-summary {
  width: 100%;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto;
  align-items: center;
  gap: 18px;
  margin: 18px 0;
  padding: 15px 18px;
  border: 1px solid rgba(255, 112, 77, .4);
  border-radius: 15px;
  background: linear-gradient(90deg, rgba(255, 80, 42, .12), rgba(15, 34, 63, .82));
  color: var(--muted);
}
.review-rating-summary strong { color: #fff; font-size: 20px; white-space: nowrap; }
.review-rating-summary strong span { color: #ffc657; }
.review-rating-summary small { color: #ffba82; font-weight: 800; white-space: nowrap; }

.table-wrap {
  width: 100%;
  margin: 24px 0;
  overflow-x: auto;
  border: 1px solid var(--line-strong);
  border-radius: 17px;
  background: rgba(5, 10, 21, .62);
  scrollbar-width: thin;
  scrollbar-color: var(--cobalt) var(--ink-900);
  -webkit-overflow-scrolling: touch;
}

.table-wrap:focus-visible { outline: 3px solid rgba(98, 162, 255, .55); outline-offset: 3px; }

table { width: 100%; min-width: 720px; border-collapse: separate; border-spacing: 0; color: var(--paper-soft); }
th, td { padding: 14px 16px; border-right: 1px solid rgba(125, 164, 222, .12); border-bottom: 1px solid rgba(125, 164, 222, .12); text-align: left; vertical-align: top; }
th { color: #fff; background: #132747; font-size: 13px; line-height: 1.45; }
td { font-size: 14px; line-height: 1.55; }
tbody tr:nth-child(even) td { background: linear-gradient(90deg, rgba(51, 120, 246, .08), rgba(255, 109, 84, .025)); }
tbody tr:hover td { background-color: rgba(51, 120, 246, .12); }
th:first-child, td:first-child {
  position: sticky;
  z-index: 2;
  left: 0;
  min-width: 190px;
  border-right: 3px solid rgba(98, 162, 255, .52);
  background-color: #0d1b32;
}
th:first-child { z-index: 3; background-color: #132747; }
tr:last-child td { border-bottom: 0; }
th:last-child, td:last-child { border-right: 0; }

.section-cta { margin-top: 26px; }

.faq-list { width: 100%; max-width: none; display: grid; gap: 10px; margin-top: 24px; }

.faq-item {
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(6, 13, 27, .62);
  transition: transform .22s ease, border-color .22s ease, background-color .22s ease, box-shadow .22s ease;
}

.faq-item:hover, .faq-item:focus-within {
  border-color: rgba(98, 162, 255, .5);
  background: rgba(15, 29, 52, .9);
  box-shadow: 0 14px 34px rgba(0, 0, 0, .18);
  transform: translateX(4px);
}

.faq-item summary {
  min-height: 68px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 24px;
  gap: 14px;
  align-items: center;
  padding: 14px 18px;
  color: #fff;
  font-weight: 800;
  line-height: 1.45;
  cursor: pointer;
  list-style: none;
}

.faq-item summary::-webkit-details-marker { display: none; }
.faq-icon { width: 14px; height: 14px; position: relative; }
.faq-icon::before, .faq-icon::after { content: ""; position: absolute; top: 6px; left: 0; width: 14px; height: 2px; border-radius: 2px; background: var(--coral); transition: transform .22s ease; }
.faq-icon::after { transform: rotate(90deg); }
.faq-item[open] .faq-icon::after { transform: rotate(0); }
.faq-answer { width: 100%; max-width: none; padding: 0 22px 20px; }
.faq-answer p { width: 100%; max-width: none; margin: 0; color: var(--muted); }

.promo-banner {
  position: relative;
  width: min(var(--container), calc(100% - 48px));
  min-height: 390px;
  display: grid;
  align-items: center;
  isolation: isolate;
  margin: 28px auto;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background-color: var(--ink-900);
  background-image: var(--promo-image);
  background-size: cover;
  box-shadow: var(--shadow);
}

.promo-left { background-position: 72% center; }
.promo-right { background-position: 28% center; }
.promo-left .promo-overlay { background: linear-gradient(90deg, rgba(5, 9, 19, .97), rgba(5, 9, 19, .78) 42%, rgba(5, 9, 19, .12) 72%); }
.promo-right .promo-overlay { background: linear-gradient(270deg, rgba(5, 9, 19, .97), rgba(5, 9, 19, .78) 42%, rgba(5, 9, 19, .12) 72%); }
.promo-inner { display: flex; align-items: center; padding-block: 58px; }
.promo-left .promo-inner { justify-content: flex-start; }
.promo-right .promo-inner { justify-content: flex-end; }
.promo-copy { width: min(520px, 47%); }
.promo-right .promo-copy { text-align: right; }
.promo-copy h2 { width: 100%; margin: 0 0 23px; color: #fff; font-size: clamp(30px, 4vw, 54px); line-height: 1.08; letter-spacing: -.045em; text-wrap: wrap; }

.author-block { padding: 34px 0 70px; background: #070d1a; }
.author-card { display: flex; align-items: center; gap: 20px; padding: 26px 30px; border: 1px solid var(--line); border-radius: var(--radius); background: linear-gradient(135deg, rgba(51, 120, 246, .13), rgba(255, 109, 84, .07)); }
.author-monogram { flex: 0 0 58px; width: 58px; aspect-ratio: 1; display: grid; place-items: center; border: 1px solid rgba(98, 162, 255, .55); border-radius: 15px; color: #fff; background: var(--ink-800); font-weight: 900; }
.author-label { color: var(--cobalt-bright); font-size: 11px; font-weight: 900; letter-spacing: .15em; text-transform: uppercase; }
.author-card h2 { margin: 2px 0 0; color: #fff; font-size: 22px; }
.author-card p { margin: 2px 0 0; color: var(--muted); }

.site-footer { position: relative; border-top: 1px solid var(--line); background: #030711; }
.footer-grid { position: relative; z-index: 1; display: grid; grid-template-columns: minmax(280px, 1.45fr) .65fr .75fr 1.2fr; gap: 36px; padding-block: 62px 44px; }
.footer-brand p { max-width: 42ch; margin: 20px 0 0; color: var(--muted); font-size: 14px; }
.footer-links { display: flex; flex-direction: column; align-items: flex-start; gap: 9px; }
.footer-links strong { margin-bottom: 6px; color: #fff; font-size: 13px; letter-spacing: .08em; text-transform: uppercase; }
.footer-links a { color: var(--muted); font-size: 14px; }
.footer-links a::after { bottom: -2px; }
.responsible-box { display: flex; align-items: center; gap: 15px; padding: 17px; border: 1px solid var(--line); border-radius: 16px; background: rgba(18, 34, 60, .55); }
.age-badge { flex: 0 0 52px; width: 52px; aspect-ratio: 1; display: grid; place-items: center; border: 2px solid var(--coral); border-radius: 50%; color: #fff; font-weight: 950; }
.responsible-box strong { color: #fff; font-size: 14px; }
.responsible-box p { margin: 3px 0 0; color: var(--muted); font-size: 12px; line-height: 1.5; }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; padding-block: 18px 24px; border-top: 1px solid var(--line); color: #7f91aa; font-size: 12px; }

.service-section { position: relative; min-height: 70vh; padding: 62px 0 78px; background: #070d1a; }
.service-card { padding: clamp(26px, 5vw, 60px); border: 1px solid var(--line); border-radius: var(--radius-lg); background: linear-gradient(145deg, rgba(18, 34, 60, .86), rgba(8, 16, 32, .94)); box-shadow: var(--shadow); }
.breadcrumbs { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-bottom: 25px; color: var(--muted); font-size: 13px; }
.breadcrumbs a { color: var(--cobalt-bright); }
.service-eyebrow { display: block; color: var(--coral); font-size: 12px; font-weight: 900; letter-spacing: .14em; text-transform: uppercase; }
.service-card > h1 { width: 100%; margin: 8px 0 32px; color: #fff; font-size: clamp(36px, 5vw, 62px); line-height: 1.04; letter-spacing: -.05em; }
.plain-qa { width: 100%; max-width: none; padding: 22px 0; border-top: 1px solid var(--line); }
.plain-qa h2 { width: 100%; margin: 0 0 8px; color: #fff; font-size: 20px; line-height: 1.35; }
.plain-qa p { width: 100%; max-width: none; margin: 0; color: var(--paper-soft); }

.not-found { min-height: 72vh; display: grid; place-items: center; padding: 70px 0; background: linear-gradient(145deg, #07101f, #0e1b31); }
.not-found-card { padding: clamp(35px, 6vw, 72px); border: 1px solid var(--line); border-radius: var(--radius-lg); text-align: center; background: rgba(5, 9, 19, .72); box-shadow: var(--shadow); }
.not-found-card > span { color: var(--coral); font-size: clamp(72px, 14vw, 160px); font-weight: 950; line-height: .8; letter-spacing: -.08em; }
.not-found-card h1 { margin: 30px 0 10px; color: #fff; font-size: clamp(32px, 5vw, 54px); }
.not-found-card p { margin: 0 0 25px; color: var(--muted); }

.reveal-enabled [data-reveal] { opacity: 0; transform: translateY(18px); transition: opacity .55s ease, transform .55s cubic-bezier(.2, .7, .2, 1); }
.reveal-enabled [data-reveal].is-visible { opacity: 1; transform: translateY(0); }

@media (max-width: 1040px) {
  .footer-grid { grid-template-columns: 1.4fr .7fr .8fr; }
  .responsible-box { grid-column: 1 / -1; max-width: 540px; }
  .section-proscons .content-list, .section-metrics .content-list, .review-list { grid-template-columns: 1fr; }
}

@media (max-width: 900px) {
  :root { --header-height: 68px; }
  .container { width: min(var(--container), calc(100% - 36px)); }
  .page-hero { width: min(var(--container), calc(100% - 36px)); }
  .promo-banner { width: min(var(--container), calc(100% - 36px)); }
  .menu-toggle { display: block; }
  .site-menu {
    position: fixed;
    z-index: -1;
    top: var(--header-height);
    right: 0;
    left: 0;
    display: grid;
    justify-content: stretch;
    justify-items: center;
    align-content: start;
    gap: 22px;
    padding: 25px max(18px, calc((100vw - var(--container)) / 2));
    border-bottom: 1px solid var(--line-strong);
    background: rgba(5, 9, 19, .98);
    box-shadow: 0 26px 55px rgba(0, 0, 0, .38);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-14px);
    transition: opacity .22s ease, visibility .22s ease, transform .28s cubic-bezier(.2, .8, .2, 1);
  }
  .site-menu.open { opacity: 1; visibility: visible; transform: translateY(0); }
  .primary-nav { width: min(520px, 100%); display: grid; justify-self: center; gap: 0; text-align: center; }
  .nav-link { display: block; padding: 13px 3px; border-bottom: 1px solid rgba(125, 164, 222, .12); text-align: center; }
  .nav-link::after { right: auto; bottom: 9px; left: 50%; width: 48px; transform: translateX(-50%) scaleX(0); transform-origin: center; }
  .nav-link:hover::after, .nav-link:focus-visible::after, .nav-link[aria-current="page"]::after { transform: translateX(-50%) scaleX(1); }
  .header-actions { width: min(520px, 100%); display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); justify-self: center; }
  .hero-copy { width: min(670px, 78%); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand, .responsible-box { grid-column: 1 / -1; }
}

@media (max-width: 638px) {
  .container { width: min(var(--container), calc(100% - 28px)); }
  .promo-banner { width: min(var(--container), calc(100% - 28px)); border-radius: 20px; }
  .brand-logo { width: 104px; height: auto; }
  .page-hero { width: min(var(--container), calc(100% - 28px)); min-height: 630px; align-items: end; border-radius: 20px; background-position: 67% center; }
  .hero-overlay { background: linear-gradient(0deg, rgba(5, 9, 19, .98) 0%, rgba(5, 9, 19, .9) 43%, rgba(5, 9, 19, .3) 76%, rgba(5, 9, 19, .12) 100%); }
  .hero-inner { padding-block: 160px 48px; }
  .hero-copy { width: 100%; }
  .hero-copy h1 { font-size: clamp(34px, 10.3vw, 48px); line-height: 1.06; }
  .hero-copy p { margin-top: 18px; font-size: 16px; line-height: 1.55; }
  .hero-actions { margin-top: 23px; }
  .hero-actions .btn { flex: 1 1 180px; white-space: normal; }
  .content-section { padding: 18px 0; }
  .content-card { padding: 23px 18px; border-radius: 20px; }
  .section-heading { grid-template-columns: minmax(0, 1fr); gap: 10px; }
  .section-heading h2 { font-size: clamp(24px, 7.3vw, 32px); }
  .heading-rule { width: 120px; }
  .section-body p { font-size: 15px; line-height: 1.68; }
  .section-body h3 { margin-top: 25px; font-size: 20px; }
  .content-list li { padding: 11px 13px 11px 43px; font-size: 14px; }
  .content-list li::before { left: 15px; }
  .review-rating-summary { grid-template-columns: 1fr auto; gap: 8px 12px; }
  .review-rating-summary small { grid-column: 1 / -1; }
  .review-list .review-card { padding: 16px; }
  .review-card-head { align-items: flex-start; }
  .table-wrap { margin-inline: 0; border-radius: 14px; }
  table { min-width: 690px; }
  th, td { padding: 12px 13px; }
  th:first-child, td:first-child { min-width: 162px; }
  .faq-item:hover, .faq-item:focus-within { transform: none; }
  .faq-item summary { grid-template-columns: minmax(0, 1fr) 18px; gap: 10px; min-height: 64px; padding: 14px; font-size: 14px; }
  .faq-answer { padding: 0 16px 17px; }
  .promo-banner { min-height: 470px; margin: 18px auto; }
  .promo-left, .promo-right { background-position: center; }
  .promo-left .promo-overlay { background: linear-gradient(0deg, rgba(5, 9, 19, .9) 0%, rgba(5, 9, 19, .46) 55%, rgba(5, 9, 19, .08) 100%); }
  .promo-right .promo-overlay { background: linear-gradient(0deg, rgba(5, 9, 19, .9) 0%, rgba(5, 9, 19, .46) 55%, rgba(5, 9, 19, .08) 100%); }
  .promo-inner, .promo-left .promo-inner, .promo-right .promo-inner { align-items: end; justify-content: flex-start; padding-block: 190px 35px; }
  .promo-copy, .promo-right .promo-copy { width: 100%; text-align: left; }
  .promo-copy h2 { max-width: 13ch; margin-bottom: 18px; font-size: 35px; }
  .promo-copy .btn { white-space: normal; }
  .author-block { padding: 18px 0 46px; }
  .author-card { align-items: flex-start; padding: 20px; }
  .author-monogram { flex-basis: 48px; width: 48px; }
  .footer-grid { grid-template-columns: 1fr; justify-items: center; gap: 28px; padding-block: 45px 34px; text-align: center; }
  .footer-brand { display: flex; flex-direction: column; align-items: center; }
  .footer-brand p { margin-inline: auto; }
  .footer-brand, .responsible-box { grid-column: auto; }
  .footer-links { width: 100%; align-items: center; }
  .footer-links a { text-align: center; }
  .responsible-box { width: min(100%, 420px); align-items: center; justify-content: center; text-align: left; }
  .footer-bottom { flex-direction: column; align-items: center; gap: 4px; text-align: center; }
  .service-section { padding: 30px 0 54px; }
  .service-card { padding: 25px 18px; border-radius: 20px; }
  .service-card > h1 { font-size: 38px; }
  .plain-qa { padding: 19px 0; }
  .plain-qa h2 { font-size: 18px; }
}

@media (max-width: 390px) {
  .primary-nav { width: min(280px, 100%); }
  .header-actions { width: min(280px, 100%); grid-template-columns: 1fr; }
  .hero-actions { display: grid; }
  .hero-actions .btn { width: 100%; }
  .faq-item summary { grid-template-columns: minmax(0, 1fr) 16px; }
  .faq-answer { padding-left: 16px; }
  .author-card { display: grid; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .reveal-enabled [data-reveal] { opacity: 1; transform: none; }
  .heading-rule { transform: scaleX(1); }
  .hell-tap-soft { display: none !important; }
}