:root {
  --bg: #1a1a1a;
  --panel: #16161a;
  --card: #000000;
  --brand: #756ef7;
  --brand-deep: #5b25d4;
  --brand-light: #a986f9;
  --text: #ffffff;
  --muted: #bbbbbb;
  --tertiary: #9dadba;
  --border: rgba(238, 238, 238, 0.15);
  --border-strong: rgba(238, 238, 238, 0.25);
  --moss: #7fa88c;
  --radius: 12px;
  --font-display: "Space Grotesk", sans-serif;
  --font-body: "Geist", sans-serif;
  --font-mono: "Geist Mono", monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 { margin: 0; }
p { margin: 0; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }

.muted { color: var(--muted); }
.subtitle { color: var(--brand-light); font-size: 20px; font-weight: 500; line-height: 1.4; }
.lead { color: var(--muted); font-size: 16px; line-height: 1.65; }
.placeholder { color: var(--tertiary); font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.6px; }

.eyebrow {
  display: inline-block;
  color: var(--brand-light);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 1.2px;
  text-transform: uppercase;
}

.h2 {
  font-family: var(--font-display);
  font-size: 44px;
  font-weight: 500;
  line-height: 1.1;
  letter-spacing: -1px;
}

.num {
  color: var(--brand-light);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 1.2px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 16px 32px;
  border-radius: 6px;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 600;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s, transform 0.1s;
}
.btn--primary { background: var(--brand-deep); color: #fff; }
.btn--primary:hover { background: #6c31e6; }
.btn--outline { background: var(--panel); color: #fff; border-color: var(--border-strong); }
.btn--outline:hover { border-color: rgba(238, 238, 238, 0.5); }
.btn--block { width: 100%; }

/* Navigation */
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: 88px;
  padding: 0 120px;
  border-bottom: 1px solid var(--border);
}
.nav__brand { display: flex; align-items: center; gap: 12px; }
.logo {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 6px;
  background: var(--brand-deep);
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 600;
}
.brand { display: flex; flex-direction: column; gap: 2px; }
.brand__name { font-size: 15px; font-weight: 600; }
.brand__role { color: var(--brand-light); font-family: var(--font-mono); font-size: 10px; letter-spacing: 1px; }
.nav__links { display: flex; align-items: center; gap: 30px; }
.nav__links a { color: var(--muted); font-size: 14px; transition: color 0.2s; }
.nav__links a:hover { color: #fff; }

/* Hero */
.hero {
  position: relative;
  min-height: 820px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 0 180px;
}
.hero__base {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background: radial-gradient(70% 55% at 50% 42%, rgba(91, 37, 212, 0.34), rgba(91, 37, 212, 0) 78%);
}
.hero__canvas {
  position: absolute;
  inset: 0;
  z-index: 2;
  width: 100%;
  height: 100%;
  pointer-events: none;
}
.hero__scene {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  z-index: 1;
}
.hero__horizon {
  display: block;
  width: 100%;
  height: auto;
  opacity: 0.82;
  -webkit-mask-image: linear-gradient(to bottom, transparent 0%, #000 32%, #000 72%, transparent 100%);
  mask-image: linear-gradient(to bottom, transparent 0%, #000 32%, #000 72%, transparent 100%);
}
.hero__inner {
  position: relative;
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
  text-align: center;
}
.badge {
  display: inline-flex;
  align-items: center;
  padding: 8px 16px;
  border: 1px solid var(--border);
  border-radius: 9999px;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 1.2px;
}
.hero__title {
  max-width: 1040px;
  font-family: var(--font-display);
  font-size: 58px;
  font-weight: 500;
  line-height: 1.1;
  letter-spacing: -1.5px;
}
.hero__subtitle {
  max-width: 860px;
  text-align: center;
}
.hero__subtitle-hl {
  display: inline;
  background: var(--brand-deep);
  color: #fff;
  font-size: 20px;
  font-weight: 500;
  line-height: 1.6;
  padding: 0.18em 0.5em;
  border-radius: 6px;
  -webkit-box-decoration-break: clone;
  box-decoration-break: clone;
}
.hero__note { max-width: 720px; color: var(--muted); font-size: 16px; line-height: 1.6; }
.hero__actions { display: flex; align-items: center; gap: 16px; margin-top: 8px; }

/* Sections */
.section { border-top: 1px solid var(--border); }
.section__inner {
  position: relative;
  isolation: isolate;
  max-width: 1200px;
  margin: 0 auto;
  padding: 96px 40px;
  display: flex;
  flex-direction: column;
  gap: 56px;
}
.block-head {
  display: flex;
  flex-direction: column;
  gap: 20px;
  max-width: 860px;
}
.block-head--wide { max-width: 900px; }

/* Pillars */
.pillars { display: flex; gap: 48px; }
.pillar { flex: 1; display: flex; flex-direction: column; gap: 12px; padding-top: 24px; border-top: 1px solid var(--border); }
.pillar__title { font-size: 20px; font-weight: 600; line-height: 1.3; }
.pillar .muted { font-size: 15px; line-height: 1.65; }

/* Plaque */
.plaque {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 40px;
  border-radius: var(--radius);
  border: 1px solid rgba(117, 110, 247, 0.35);
  background: rgba(117, 110, 247, 0.12);
}
.plaque__title { font-family: var(--font-display); font-size: 26px; font-weight: 500; letter-spacing: -0.5px; }

/* Cards */
.cards { display: grid; gap: 24px; }
.cards--3 { grid-template-columns: repeat(3, 1fr); }
.cards--2 { grid-template-columns: repeat(2, 1fr); }
.card {
  display: flex;
  flex-direction: column;
  gap: 18px;
  padding: 40px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--panel);
}
.cards--2 .card { gap: 14px; padding: 36px; }

/* Scroll-driven stage (Этапы цифровизации бизнеса) */
.stage__pin { position: relative; }
@media (min-width: 1181px) and (min-height: 640px) {
  .stage { height: calc(100vh + 248vh); }
  .stage__pin {
    position: sticky;
    top: 0;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
  }
  .stage .section__inner { padding: 28px 40px; gap: 22px; transform-origin: center center; }
  .stage .block-head { gap: 14px; }
  .stage .h2 { font-size: 40px; }
  .stage .subtitle { font-size: 18px; }
  .stage .cards--2 .card { padding: 24px; gap: 12px; }
  .stage .card__num { font-size: 28px; }
  .stage .card__title { font-size: 22px; line-height: 1.15; }
  .stage .card .muted { font-size: 14px; line-height: 1.5; }
  .stage .list { gap: 8px 20px; }
  .stage .list li { font-size: 13px; line-height: 1.4; }
  .js .stage .card.reveal { opacity: 0; transform: translateX(80px); will-change: opacity, transform; }
}
.card__label { color: var(--brand-light); font-family: var(--font-mono); font-size: 12px; letter-spacing: 1.2px; }
.card__title { font-family: var(--font-display); font-size: 28px; font-weight: 500; line-height: 1.15; letter-spacing: -1px; }
.cards--2 .card__title { font-size: 24px; line-height: 1.2; letter-spacing: -0.5px; }
.card__head { display: flex; align-items: center; gap: 16px; }
.card__num { color: var(--brand-light); font-family: var(--font-mono); font-size: 36px; line-height: 1; }
.card .muted { font-size: 15px; line-height: 1.65; }

/* List */
.list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px 24px; padding: 8px 0 0; margin: 0; list-style: none; }
.list li { display: flex; gap: 10px; color: var(--muted); font-size: 14px; line-height: 1.45; }
.marker { flex: none; width: 16px; height: 16px; margin-top: 3px; background: var(--brand-light); clip-path: polygon(50% 0, 100% 50%, 50% 100%, 0 50%); }

/* Decor images */
.decor { position: absolute; pointer-events: none; opacity: 0.9; }
.decor--beetle { top: 28px; right: -40px; width: 400px; height: 400px; object-fit: contain; z-index: -1; }
.decor--bird { top: 430px; left: 70px; width: 360px; height: 360px; object-fit: contain; }
.decor--about { top: 40px; right: -30px; width: 278px; height: 290px; transform: scaleX(-1); z-index: -1; }

/* About */
.about__inner { flex-direction: row; align-items: center; gap: 64px; flex-wrap: wrap; }
.about__left { flex: none; display: flex; flex-direction: column; align-items: center; gap: 28px; }
.about__photo { flex: none; width: 440px; height: 539px; border-radius: var(--radius); border: 1px solid var(--border); overflow: hidden; }
.about__photo img { width: 100%; height: 100%; object-fit: cover; }
.about__text { flex: 1; min-width: 320px; display: flex; flex-direction: column; gap: 18px; }
.resume-link {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--text);
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 600;
  transition: color 0.2s;
}
.hh-logo { width: 40px; height: 40px; flex: none; }
.resume-link__arrow { color: var(--brand-light); }
.resume-link:hover { color: var(--brand-light); }

/* Cases */
.case {
  display: flex;
  gap: 48px;
  padding: 40px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--panel);
}
.case__left { flex: none; width: 400px; display: flex; flex-direction: column; gap: 14px; }
.case__title { font-family: var(--font-display); font-size: 30px; font-weight: 500; line-height: 1.15; letter-spacing: -1px; }
.case__right { flex: 1; display: flex; flex-direction: column; gap: 18px; }
.case__row { display: flex; gap: 24px; }
.case__row--link { align-items: center; }
.case__label { flex: none; width: 120px; color: var(--brand-light); font-family: var(--font-mono); font-size: 11px; letter-spacing: 1.2px; }
.case__row .muted { font-size: 15px; line-height: 1.65; }
.case__link { display: inline-flex; align-items: center; gap: 8px; color: var(--brand-light); font-size: 15px; font-weight: 600; }
.case__link:hover { text-decoration: underline; }
.case__shots {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 130px;
  border-radius: 8px;
  border: 1px dashed var(--border-strong);
  background: var(--bg);
  color: var(--tertiary);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.5px;
}

/* FAQ */
.faq { display: flex; flex-direction: column; gap: 48px; padding-left: 420px; }
.faq__item { display: flex; flex-direction: column; gap: 12px; padding-top: 28px; border-top: 1px solid var(--border); }
.faq__q { font-size: 20px; font-weight: 600; }
.faq__a { color: var(--muted); font-size: 16px; line-height: 1.65; }

/* Specs */
.specs { display: flex; flex-direction: column; }
.spec { display: flex; gap: 32px; padding: 24px 0; border-top: 1px solid var(--border); }
.spec:last-child { padding-bottom: 0; }
.spec__label { flex: none; width: 260px; color: var(--brand-light); font-family: var(--font-mono); font-size: 12px; letter-spacing: 1.2px; }
.spec__value { color: var(--muted); font-size: 17px; line-height: 1.65; }

/* CTA */
.highlight { color: var(--brand-light); font-family: var(--font-display); font-size: 24px; font-weight: 500; letter-spacing: -0.5px; }
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.step { display: flex; flex-direction: column; gap: 10px; padding: 28px; border-radius: var(--radius); border: 1px solid var(--border); background: var(--panel); }
.step__title { font-size: 17px; font-weight: 500; line-height: 1.4; }

.contact-grid { display: grid; grid-template-columns: 640px 1fr; gap: 32px; align-items: start; }
.form {
  display: flex;
  flex-direction: column;
  gap: 18px;
  padding: 40px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--card);
}
.field { display: flex; flex-direction: column; gap: 8px; }
.field__label { color: var(--tertiary); font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.6px; }
.field__input {
  width: 100%;
  padding: 0 18px;
  height: 56px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 15px;
  outline: none;
  transition: border-color 0.2s;
}
.field__input::placeholder { color: var(--tertiary); }
.field__input:focus { border-color: var(--brand-light); }
.field__input--area { height: 120px; padding: 16px 18px; resize: vertical; }
.form__success {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 18px;
  border-radius: 8px;
  border: 1px solid rgba(127, 168, 140, 0.4);
  background: rgba(127, 168, 140, 0.18);
  color: #fff;
  font-size: 14px;
  font-weight: 500;
}
.form__success svg { color: var(--moss); }
.form__success[hidden] { display: none; }
.form__error {
  padding: 14px 18px;
  border-radius: 8px;
  border: 1px solid rgba(214, 0, 28, 0.4);
  background: rgba(214, 0, 28, 0.16);
  color: #fff;
  font-size: 14px;
}
.form__error[hidden] { display: none; }
.form.is-invalid .field__input:invalid { border-color: rgba(214, 0, 28, 0.7); }

.contacts {
  display: flex;
  flex-direction: column;
  gap: 20px;
  padding: 40px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--panel);
}
.contacts__phone { display: flex; align-items: center; gap: 12px; font-size: 19px; font-weight: 600; }
.contacts__phone svg { color: var(--brand-light); }
.contacts__messengers { display: flex; align-items: center; gap: 12px; }
.contacts__messengers img { width: 56px; height: 56px; object-fit: contain; }

/* Scroll to top */
.to-top {
  position: fixed;
  right: 32px;
  bottom: 32px;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: 9999px;
  border: 1px solid var(--border-strong);
  background: var(--panel);
  color: #fff;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s, background 0.2s, border-color 0.2s;
}
.to-top.is-visible { opacity: 1; visibility: visible; transform: none; }
.to-top:hover { background: var(--brand-deep); border-color: transparent; }
.to-top:focus-visible { outline: 2px solid var(--brand-light); outline-offset: 2px; }

/* Footer */
.footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 40px 120px;
  border-top: 1px solid var(--border);
}
.footer .muted { font-size: 14px; }

/* Responsive */
@media (max-width: 1180px) {
  .nav { padding: 0 40px; }
  .nav__links { display: none; }
  .hero { padding: 120px 40px 80px; min-height: auto; }
  .hero__title { font-size: 44px; }
  .hero__horizon { height: 200px; }
  .cards--3, .cards--2, .steps { grid-template-columns: 1fr; }
  .pillars { flex-direction: column; gap: 32px; }
  .list { grid-template-columns: 1fr; }
  .faq { padding-left: 0; }
  .contact-grid { grid-template-columns: 1fr; }
  .case { flex-direction: column; gap: 28px; }
  .case__left { width: 100%; }
  .about__outer, .about__inner { flex-direction: column; gap: 40px; }
  .about__photo { width: 100%; max-width: 440px; height: auto; aspect-ratio: 440 / 539; }
  .spec { flex-direction: column; gap: 12px; }
  .spec__label { width: auto; }
  .footer { flex-direction: column; gap: 12px; text-align: center; padding: 32px 40px; }
  .decor { display: none; }
}

@media (max-width: 640px) {
  .h2 { font-size: 32px; }
  .hero__title { font-size: 34px; }
  .hero__subtitle { font-size: 18px; }
  .section__inner { padding: 64px 24px; gap: 40px; }
  .card, .case, .form, .contacts, .plaque { padding: 24px; }
  .case__row { flex-direction: column; gap: 8px; }
  .case__label { width: auto; }
}