:root {
  --bg: #0b0b0c;
  --bg-2: #111113;
  --line: #242427;
  --text: #eceae4;
  --muted: #8f8d87;
  --muted-2: #5f5e5a;
  --accent: #d4ff3a;
  --display: "Unbounded", "Arial Black", system-ui, sans-serif;
  --body: "Onest", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --gutter: clamp(16px, 4vw, 40px);
  --cut: 10px;
}

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 400 17px/1.55 var(--body);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img { display: block; max-width: 100%; height: auto; }
a { color: inherit; }
h1, h2, h3, p, dl, dd, ol, ul { margin: 0; }
::selection { background: var(--accent); color: var(--bg); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

.wrap {
  max-width: 1240px;
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.skip {
  position: absolute;
  left: -9999px;
  top: 8px;
  z-index: 100;
  padding: 10px 14px;
  background: var(--accent);
  color: var(--bg);
}
.skip:focus { left: 8px; }

/* ---------- кнопки и ссылки ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: .6em;
  padding: 17px 26px;
  background: var(--accent);
  color: var(--bg);
  font: 500 15px/1 var(--display);
  text-decoration: none;
  white-space: nowrap;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%);
  transition: background-color .2s;
}
.btn span { transition: transform .2s; }
.btn:hover { background: #e6ff85; }
.btn:hover span { transform: translateX(4px); }
.btn--sm { padding: 11px 16px; font-size: 13px; --cut: 7px; }

.link {
  color: var(--text);
  font-weight: 500;
  text-decoration: underline;
  text-decoration-color: var(--muted-2);
  text-underline-offset: 5px;
  transition: text-decoration-color .2s;
}
.link:hover { text-decoration-color: var(--accent); }

/* ---------- шапка ---------- */

.top {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(11, 11, 12, .94);
  border-bottom: 1px solid var(--line);
}
.top__row {
  display: flex;
  align-items: center;
  gap: 32px;
  height: 68px;
}
.top__logo img { height: 34px; width: auto; }
.top__nav { margin-left: auto; }
.top__nav ul { display: flex; gap: 28px; list-style: none; padding: 0; }
.top__nav a {
  color: var(--muted);
  font-size: 14px;
  text-decoration: none;
  transition: color .2s;
}
.top__nav a:hover { color: var(--text); }
.top__side { display: flex; align-items: center; gap: 20px; }

.lang {
  display: flex;
  align-items: center;
  gap: 6px;
  font: 500 12px/1 var(--display);
  letter-spacing: .04em;
}
.lang span { color: var(--text); }
.lang a { color: var(--muted-2); text-decoration: none; transition: color .2s; }
.lang a:hover { color: var(--accent); }
.lang i { font-style: normal; color: var(--muted-2); }

/* ---------- hero ---------- */

.hero {
  position: relative;
  padding-block: clamp(56px, 10vw, 128px) clamp(56px, 8vw, 104px);
  overflow: hidden;
}
.hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(0, .65fr);
  gap: clamp(40px, 6vw, 96px);
  align-items: end;
}
.hero__slash {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(152deg, transparent calc(62% - 1px), var(--line) 62%, transparent calc(62% + 1px)),
    linear-gradient(152deg, transparent calc(70% - 1px), var(--line) 70%, transparent calc(70% + 1px));
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 28px;
  color: var(--muted);
  font-size: 13px;
  letter-spacing: .14em;
  text-transform: uppercase;
}
.eyebrow::before {
  content: "";
  width: 8px;
  height: 8px;
  background: var(--accent);
  transform: skewX(-24deg);
}

h1 {
  font: 700 clamp(38px, 6.2vw, 80px)/1.02 var(--display);
  letter-spacing: -.025em;
  text-wrap: balance;
}
.hl { color: var(--accent); }

.hero__lead {
  max-width: 46ch;
  margin-top: 28px;
  color: var(--muted);
  font-size: clamp(17px, 1.6vw, 20px);
}
.hero__cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px 32px;
  margin-top: 40px;
}

.hero__nums { display: grid; gap: 28px; }
.num { border-top: 1px solid var(--line); padding-top: 14px; }
.num dt {
  color: var(--muted);
  font-size: 13px;
  letter-spacing: .14em;
  text-transform: uppercase;
}
.num dd {
  margin-top: 6px;
  color: var(--accent);
  font: 700 clamp(60px, 7.2vw, 100px)/.92 var(--display);
  letter-spacing: -.04em;
  white-space: nowrap;
}
.num small {
  display: inline-block;
  margin-right: .5em;
  vertical-align: top;
  color: var(--muted);
  font: 400 15px/1 var(--body);
  letter-spacing: 0;
}

/* ---------- секции ---------- */

.sec {
  padding-block: clamp(64px, 9vw, 120px);
  border-top: 1px solid var(--line);
  scroll-margin-top: 68px;
}
.sec__grid {
  display: grid;
  grid-template-columns: 200px minmax(0, 1fr);
  gap: 40px;
}
.sec__head {
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-self: start;
  position: sticky;
  top: 100px;
}
.sec__num { color: var(--accent); font: 500 14px/1 var(--display); }
.sec__kicker {
  color: var(--muted);
  font-size: 13px;
  letter-spacing: .14em;
  text-transform: uppercase;
}

h2 {
  max-width: 20ch;
  margin-bottom: 44px;
  font: 700 clamp(28px, 4vw, 52px)/1.08 var(--display);
  letter-spacing: -.02em;
  text-wrap: balance;
}
h2.big {
  margin-bottom: 20px;
  font-size: clamp(44px, 8.5vw, 116px);
  line-height: .95;
  letter-spacing: -.04em;
}
.lead {
  max-width: 52ch;
  margin-bottom: 44px;
  color: var(--muted);
  font-size: clamp(17px, 1.6vw, 20px);
}
.note { margin-top: 28px; color: var(--muted); font-size: 14px; }

/* модели */
.models {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.model { padding: 32px 40px 36px 0; }
.model + .model { padding: 32px 0 36px 40px; border-left: 1px solid var(--line); }
.model__name {
  color: var(--muted);
  font: 500 13px/1 var(--display);
  letter-spacing: .08em;
  text-transform: uppercase;
}
.model__value {
  margin: 18px 0 22px;
  color: var(--accent);
  font: 700 clamp(40px, 5.4vw, 72px)/1 var(--display);
  letter-spacing: -.035em;
}
.model__text { max-width: 36ch; }

.badge {
  display: inline-block;
  margin-bottom: 22px;
  padding: 8px 12px;
  border: 1px solid var(--accent);
  color: var(--accent);
  font: 500 12px/1 var(--display);
  letter-spacing: .08em;
  text-transform: uppercase;
}

/* строки оффера */
.rows > div {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.5fr);
  gap: 32px;
  padding-block: 26px;
  border-top: 1px solid var(--line);
}
.rows > div:last-child { border-bottom: 1px solid var(--line); }
.rows dt { font: 500 18px/1.35 var(--display); letter-spacing: -.01em; }
.rows dd { color: var(--muted); }

/* аудитория и инструменты */
.groups {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 40px;
  margin-bottom: 72px;
}
.group { padding-top: 22px; border-top: 2px solid var(--text); }
.group h3 { margin-bottom: 12px; font: 500 21px/1.3 var(--display); }
.group p { color: var(--muted); max-width: 40ch; }

.sub {
  margin-bottom: 8px;
  color: var(--muted);
  font: 400 13px/1 var(--body);
  letter-spacing: .14em;
  text-transform: uppercase;
}
.tools { list-style: none; padding: 0; }
.tools li {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.5fr);
  gap: 32px;
  padding-block: 22px;
  border-bottom: 1px solid var(--line);
}
.tools strong { font: 500 18px/1.35 var(--display); }
.tools span { color: var(--muted); }

/* шаги */
.steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-bottom: 52px;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}
.steps li { padding: 28px 32px 0 0; }
.steps li + li { padding-left: 32px; border-left: 1px solid var(--line); }
.step__n {
  display: block;
  color: transparent;
  -webkit-text-stroke: 1px var(--muted);
  font: 700 64px/1 var(--display);
}
.steps h3 { margin: 20px 0 10px; font: 500 20px/1.3 var(--display); }
.steps p { color: var(--muted); }

/* FAQ */
.faq details { border-top: 1px solid var(--line); }
.faq details:last-child { border-bottom: 1px solid var(--line); }
.faq summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  padding-block: 24px;
  font: 500 clamp(17px, 1.8vw, 20px)/1.35 var(--display);
  cursor: pointer;
  list-style: none;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+";
  flex: none;
  color: var(--muted);
  font: 400 28px/1 var(--body);
  transition: transform .2s, color .2s;
}
.faq details[open] summary::after { transform: rotate(45deg); color: var(--accent); }
.faq summary:hover::after { color: var(--accent); }
.faq p { max-width: 62ch; padding-bottom: 26px; color: var(--muted); }

/* контакты */
.contact { display: flex; flex-wrap: wrap; align-items: center; gap: 20px 28px; }
.tg {
  display: flex;
  align-items: center;
  gap: 18px;
  width: 100%;
  max-width: 520px;
  padding: 20px 24px;
  border: 1px solid var(--line);
  text-decoration: none;
  transition: background-color .25s, color .25s, border-color .25s;
}
.tg__icon {
  display: grid;
  place-items: center;
  flex: none;
  width: 48px;
  height: 48px;
  border: 1px solid var(--line);
  color: var(--accent);
  transition: color .25s, border-color .25s;
}
.tg__text { display: grid; gap: 6px; min-width: 0; }
.tg__title { font: 500 clamp(18px, 2vw, 22px)/1.2 var(--display); }
.tg__sub { color: var(--muted); font-size: 14px; transition: color .25s; }
.tg__arrow { margin-left: auto; font-size: 22px; transition: transform .2s; }
.tg:hover { background: var(--accent); border-color: var(--accent); color: var(--bg); }
.tg:hover .tg__icon { color: var(--bg); border-color: rgba(11, 11, 12, .3); }
.tg:hover .tg__sub { color: rgba(11, 11, 12, .7); }
.tg:hover .tg__arrow { transform: translateX(4px); }

/* подвал */
.foot { padding-block: 32px; border-top: 1px solid var(--line); }
.foot__row { display: flex; flex-wrap: wrap; align-items: center; gap: 16px 24px; }
.foot img { height: 26px; width: auto; }
.foot p { flex: 1; color: var(--muted); font-size: 14px; }
.foot__lang { display: flex; align-items: center; gap: 10px; color: var(--muted-2); font-size: 13px; }

/* ---------- адаптив ---------- */

@media (max-width: 1024px) {
  .top__nav { display: none; }
  .top__side { margin-left: auto; }
}

@media (max-width: 860px) {
  .hero__grid { grid-template-columns: 1fr; align-items: start; }
  .hero__nums { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
  .sec__grid { grid-template-columns: 1fr; gap: 24px; }
  .sec__head { position: static; flex-direction: row; align-items: baseline; gap: 14px; }
  .models, .groups, .steps { grid-template-columns: 1fr; }
  .model, .model + .model { padding: 28px 0; border-left: 0; }
  .model + .model { border-top: 1px solid var(--line); }
  .steps { gap: 0; }
  .steps li, .steps li + li { padding: 24px 0; border-left: 0; }
  .steps li + li { border-top: 1px solid var(--line); }
  .rows > div, .tools li { grid-template-columns: 1fr; gap: 8px; }
  .groups { gap: 32px; margin-bottom: 56px; }
}

@media (max-width: 520px) {
  body { font-size: 16px; }
  .top__row { gap: 12px; height: 60px; }
  .top__logo img { height: 28px; }
  .top__side { gap: 14px; }
  .btn--sm { padding: 10px 12px; font-size: 12px; }
  .sec { scroll-margin-top: 60px; }
  .num dd { font-size: clamp(44px, 14vw, 64px); }
  .num small { display: block; margin: 0 0 8px; }
  .btn:not(.btn--sm) { width: 100%; justify-content: center; }
  .foot p { flex-basis: 100%; order: 3; }
}

@media (max-width: 360px) {
  .top__logo img { height: 24px; }
  .hero__nums { grid-template-columns: 1fr; }
  h1 { font-size: 31px; }
}

/* ---------- движение ---------- */

@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
  .hero__text > *, .hero__nums .num {
    animation: rise .7s cubic-bezier(.2, .7, .2, 1) both;
  }
  .hero__text > :nth-child(2) { animation-delay: .06s; }
  .hero__text > :nth-child(3) { animation-delay: .12s; }
  .hero__text > :nth-child(4) { animation-delay: .18s; }
  .hero__nums .num:nth-child(1) { animation-delay: .22s; }
  .hero__nums .num:nth-child(2) { animation-delay: .3s; }
  @keyframes rise {
    from { opacity: 0; transform: translateY(14px); }
    to { opacity: 1; transform: none; }
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; }
}