/* ================= ПЕРЕМЕННЫЕ ================= */
:root {
  --bg: #0b0d17;
  --bg-alt: #10131f;
  --surface: #161a2b;
  --surface-2: #1d2238;
  --border: rgba(255, 255, 255, 0.08);
  --text: #eef0f8;
  --muted: #9aa1bd;
  --accent: #5b8cff;
  --accent-2: #a66bff;
  --green: #3ddc97;
  --grad: linear-gradient(120deg, #5b8cff 0%, #a66bff 60%, #ff7ac6 100%);
  --radius: 20px;
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.45);
}

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

html { scroll-behavior: smooth; scroll-padding-top: 80px; }

body {
  margin: 0;
  font-family: "Manrope", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3 { line-height: 1.15; margin: 0 0 .5em; letter-spacing: -0.02em; }
h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); font-weight: 800; }
h2 { font-size: clamp(1.8rem, 3.6vw, 2.6rem); font-weight: 800; }
h3 { font-size: 1.2rem; font-weight: 700; }
p { margin: 0 0 1em; }
a { color: inherit; text-decoration: none; }

.container { width: 100%; max-width: 1180px; margin: 0 auto; padding-inline: 20px; }
.container--narrow { max-width: 820px; }

.grad {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ================= КНОПКИ ================= */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 8px; padding: 15px 28px;
  border-radius: 14px; border: 1px solid transparent;
  font: inherit; font-weight: 700; cursor: pointer;
  transition: transform .2s, box-shadow .2s, background .2s, border-color .2s;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn--primary { background: var(--grad); color: #fff; box-shadow: 0 10px 30px rgba(91, 140, 255, .35); }
.btn--primary:hover { box-shadow: 0 14px 40px rgba(166, 107, 255, .5); }
.btn--ghost { background: transparent; color: var(--text); border-color: var(--border); }
.btn--ghost:hover { border-color: var(--accent); background: rgba(91, 140, 255, .08); }
.btn--sm { padding: 10px 18px; font-size: .92rem; }
.btn--block { width: 100%; }

/* ================= ШАПКА ================= */
.header {
  position: fixed; inset: 0 0 auto; z-index: 50;
  transition: background .3s, border-color .3s;
  border-bottom: 1px solid transparent;
}
.header.is-scrolled {
  background: rgba(11, 13, 23, .8);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-color: var(--border);
}
.header__inner { display: flex; align-items: center; gap: 32px; height: 72px; }

.logo { display: inline-flex; align-items: center; gap: 10px; font-size: 1.3rem; font-weight: 600; }
.logo__mark {
  display: grid; place-items: center; width: 38px; height: 38px; flex-shrink: 0;
  border-radius: 11px; background: var(--grad); box-shadow: 0 6px 18px rgba(166, 107, 255, .35);
}
.logo__mark svg { width: 24px; height: 24px; }
.logo__text { display: grid; line-height: 1.05; letter-spacing: -.01em; }
.logo__text b {
  font-weight: 800; background: var(--grad);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.logo__text small { font-size: .62rem; font-weight: 500; color: var(--muted); letter-spacing: .03em; text-transform: uppercase; white-space: nowrap; }

.nav { display: flex; gap: 28px; margin-left: auto; }
.nav a { color: var(--muted); font-weight: 500; transition: color .2s; }
.nav a:hover { color: var(--text); }

.burger { display: none; margin-left: auto; background: none; border: 0; padding: 8px; cursor: pointer; }
.burger span { display: block; width: 24px; height: 2px; margin: 5px 0; background: var(--text); border-radius: 2px; transition: .3s; }
.burger.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger.is-open span:nth-child(2) { opacity: 0; }
.burger.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ================= HERO ================= */
.hero { position: relative; padding: 140px 0 80px; overflow: hidden; }
.hero__glow {
  position: absolute; inset: -20% -10% auto; height: 700px; pointer-events: none;
  background:
    radial-gradient(40% 50% at 25% 30%, rgba(91, 140, 255, .25), transparent 70%),
    radial-gradient(35% 45% at 80% 20%, rgba(166, 107, 255, .22), transparent 70%);
}
.hero__inner { position: relative; display: grid; grid-template-columns: 1.15fr .85fr; gap: 60px; align-items: center; }

.badge {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 7px 14px; margin-bottom: 22px;
  border: 1px solid var(--border); border-radius: 99px;
  background: rgba(255, 255, 255, .03); color: var(--muted); font-size: .9rem;
}
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 0 rgba(61, 220, 151, .6); animation: pulse 2s infinite; }
@keyframes pulse { 70% { box-shadow: 0 0 0 10px rgba(61, 220, 151, 0); } 100% { box-shadow: 0 0 0 0 rgba(61, 220, 151, 0); } }

.lead { font-size: 1.15rem; color: var(--muted); max-width: 560px; }
.lead b { color: var(--text); }
.hero__actions { display: flex; flex-wrap: wrap; gap: 14px; margin: 32px 0 44px; }

.hero__stats { display: flex; flex-wrap: wrap; gap: 40px; list-style: none; padding: 0; margin: 0; }
.hero__stats b { display: block; font-size: 2rem; font-weight: 800; }
.hero__stats span { color: var(--muted); font-size: .9rem; }

/* ---- Телефон с чатом ---- */
.phone {
  justify-self: center; width: 100%; max-width: 360px; height: 520px;
  display: flex; flex-direction: column;
  border-radius: 34px; border: 1px solid var(--border);
  background: linear-gradient(180deg, #151a2e, #0f1322);
  box-shadow: var(--shadow), inset 0 0 0 6px rgba(255, 255, 255, .02);
  overflow: hidden;
  transform: rotate(2deg);
}
.phone__top { display: flex; align-items: center; gap: 12px; padding: 18px 20px; border-bottom: 1px solid var(--border); background: rgba(255, 255, 255, .02); }
.phone__avatar { display: grid; place-items: center; width: 42px; height: 42px; border-radius: 50%; background: var(--grad); font-size: 1.3rem; }
.phone__name { font-weight: 700; font-size: .95rem; }
.phone__status { color: var(--green); font-size: .8rem; }

.chat { flex: 1; display: flex; flex-direction: column; justify-content: flex-end; gap: 10px; padding: 18px; overflow: hidden; }
.msg {
  max-width: 80%; padding: 10px 14px; border-radius: 16px; font-size: .9rem; line-height: 1.4;
  animation: pop .35s ease-out both;
}
.msg--bot { align-self: flex-start; background: var(--surface-2); border-bottom-left-radius: 4px; }
.msg--user { align-self: flex-end; background: var(--accent); color: #fff; border-bottom-right-radius: 4px; }
.msg__btns { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; }
.msg__btns span { padding: 5px 10px; border-radius: 8px; background: rgba(91, 140, 255, .18); color: #b9ccff; font-size: .8rem; }
@keyframes pop { from { opacity: 0; transform: translateY(10px) scale(.96); } to { opacity: 1; transform: none; } }

/* ================= ПЛАТФОРМЫ ================= */
.platforms { border-block: 1px solid var(--border); background: var(--bg-alt); }
.platforms__inner { display: flex; align-items: center; gap: 28px; padding-block: 22px; flex-wrap: wrap; }
.platforms__inner > span { color: var(--muted); font-size: .9rem; }
.platforms ul { display: flex; flex-wrap: wrap; gap: 10px 30px; list-style: none; margin: 0; padding: 0; }
.platforms li { font-weight: 700; color: #c7cce0; opacity: .75; }

/* ================= СЕКЦИИ ================= */
.section { padding: 100px 0; }
.section--alt { background: var(--bg-alt); }
.section__head { max-width: 680px; margin: 0 auto 56px; text-align: center; }
.section__head p { color: var(--muted); font-size: 1.08rem; }
.eyebrow {
  display: inline-block; margin-bottom: 12px;
  font-size: .8rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase;
  color: var(--accent);
}

.grid { display: grid; gap: 22px; }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--2 { grid-template-columns: repeat(2, 1fr); }

/* ---- Карточки услуг ---- */
.card {
  position: relative; padding: 30px; border-radius: var(--radius);
  background: var(--surface); border: 1px solid var(--border);
  transition: transform .25s, border-color .25s, box-shadow .25s;
}
.card:hover { transform: translateY(-4px); border-color: rgba(91, 140, 255, .4); box-shadow: var(--shadow); }
.card--accent { background: linear-gradient(160deg, rgba(91, 140, 255, .16), var(--surface) 55%); }
.card__icon {
  display: grid; place-items: center; width: 54px; height: 54px; margin-bottom: 20px;
  border-radius: 14px; background: var(--surface-2); font-size: 1.6rem;
}
.card p { color: var(--muted); }

.ticks { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.ticks li { position: relative; padding-left: 26px; font-size: .95rem; }
.ticks li::before {
  content: "✓"; position: absolute; left: 0; top: 1px;
  width: 18px; height: 18px; display: grid; place-items: center;
  border-radius: 50%; background: rgba(61, 220, 151, .15); color: var(--green); font-size: .7rem; font-weight: 800;
}

/* ---- Чипсы ---- */
.chips { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; }
.chips span {
  padding: 12px 20px; border-radius: 99px;
  background: var(--surface); border: 1px solid var(--border); font-weight: 600;
  transition: border-color .2s, transform .2s;
}
.chips span:hover { border-color: var(--accent-2); transform: translateY(-2px); }

/* ---- Шаги ---- */
.steps { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; counter-reset: s; }
.steps li { position: relative; padding: 26px 22px; border-radius: var(--radius); background: var(--surface); border: 1px solid var(--border); }
.steps b { display: block; margin-bottom: 14px; font-size: 1.8rem; font-weight: 800; }
.steps b { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.steps p { color: var(--muted); font-size: .93rem; margin: 0; }

/* ---- Кейсы ---- */
.case { display: flex; flex-direction: column; padding: 32px; border-radius: var(--radius); background: var(--surface); border: 1px solid var(--border); }
.case__tag { align-self: flex-start; margin-bottom: 16px; padding: 5px 12px; border-radius: 8px; background: rgba(166, 107, 255, .14); color: #d2b8ff; font-size: .82rem; font-weight: 700; }
.case p { color: var(--muted); flex: 1; }
.case__result { padding-top: 18px; border-top: 1px solid var(--border); color: var(--muted); }
.case__result b { font-size: 1.5rem; margin-right: 6px; color: var(--green); }

/* Реальный проект */
.case--real {
  display: grid; grid-template-columns: 1.1fr .9fr; gap: 36px; align-items: center; margin-bottom: 24px;
  border: 1px solid transparent;
  background: linear-gradient(var(--surface), var(--surface)) padding-box, var(--grad) border-box;
}
.case--real .ticks { margin: 0 0 22px; }
.case--real .btn { align-self: flex-start; }
.case__body { display: flex; flex-direction: column; }
.case__tag--real { background: rgba(61, 220, 151, .14); color: var(--green); }
.case__preview { display: block; border-radius: 14px; overflow: hidden; border: 1px solid var(--border); background: var(--surface-2); transition: transform .3s; }
.case__preview:hover { transform: translateY(-4px) rotate(-.5deg); }
.case__browser { display: flex; align-items: center; gap: 6px; padding: 10px 14px; border-bottom: 1px solid var(--border); font-size: .78rem; color: var(--muted); }
.case__browser i { width: 9px; height: 9px; border-radius: 50%; background: var(--border); }
.case__browser span { margin-left: 10px; }
.case__shot {
  display: grid; gap: 8px; align-content: center; min-height: 210px; padding: 28px;
  background: linear-gradient(135deg, #1d3a5f 0%, #0f2238 100%); color: #fff;
}
.case__shot b { font-size: 1.25rem; letter-spacing: .04em; }
.case__shot span { color: #9fc3ff; font-weight: 600; }
.case__shot em { font-style: normal; font-size: .85rem; color: rgba(255, 255, 255, .6); }
.case__chat {
  display: flex; flex-direction: column; justify-content: flex-end; gap: 10px; min-height: 210px; padding: 18px;
  background: linear-gradient(135deg, #2a1f4d 0%, #14122a 100%);
}
.case__chat .msg { display: block; max-width: 90%; }
.cases__sub { margin: 48px 0 22px; font-size: 1.2rem; color: var(--muted); font-weight: 600; }
@media (max-width: 860px) {
  .case--real { grid-template-columns: 1fr; gap: 24px; }
}

/* ---- Цены ---- */
.prices { align-items: stretch; }
.price { position: relative; display: flex; flex-direction: column; padding: 34px 30px; border-radius: var(--radius); background: var(--surface); border: 1px solid var(--border); }
.price .ticks { margin: 0 0 30px; flex: 1; }
.price__desc { color: var(--muted); }
.price__value { font-size: 2rem; font-weight: 800; margin: 6px 0 24px; }
.price--hot { border: 1px solid transparent; background: linear-gradient(var(--surface), var(--surface)) padding-box, var(--grad) border-box; transform: scale(1.03); box-shadow: var(--shadow); }
.price__label { position: absolute; top: -13px; left: 50%; transform: translateX(-50%); padding: 4px 14px; border-radius: 99px; background: var(--grad); font-size: .8rem; font-weight: 700; }
.note { margin-top: 26px; text-align: center; color: var(--muted); font-size: .9rem; }

/* ---- FAQ ---- */
.faq { display: grid; gap: 12px; }
.faq details { border-radius: 16px; background: var(--surface); border: 1px solid var(--border); transition: border-color .2s; }
.faq details[open] { border-color: rgba(91, 140, 255, .4); }
.faq summary { position: relative; padding: 20px 56px 20px 24px; font-weight: 700; cursor: pointer; list-style: none; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 24px; top: 50%; transform: translateY(-50%); font-size: 1.5rem; color: var(--accent); transition: transform .25s; }
.faq details[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.faq details p { padding: 0 24px 20px; margin: 0; color: var(--muted); }

/* ---- CTA / форма ---- */
.cta {
  display: grid; grid-template-columns: 1fr 1fr; gap: 50px; padding: 56px;
  border-radius: 30px; border: 1px solid var(--border);
  background: radial-gradient(60% 80% at 0% 0%, rgba(91, 140, 255, .18), transparent 70%), var(--surface);
}
.cta__text p { color: var(--muted); }
.contacts { display: grid; gap: 10px; margin-top: 28px; }
.contact { padding: 12px 16px; border-radius: 12px; background: var(--surface-2); border: 1px solid var(--border); font-weight: 600; transition: border-color .2s; overflow-wrap: anywhere; }
.contact:hover { border-color: var(--accent); }

.form { display: grid; gap: 16px; }
.form label { display: grid; gap: 6px; }
.form label span { font-size: .88rem; color: var(--muted); font-weight: 600; }
.form input, .form select, .form textarea {
  width: 100%; padding: 14px 16px; border-radius: 12px;
  border: 1px solid var(--border); background: var(--bg); color: var(--text);
  font: inherit; transition: border-color .2s, box-shadow .2s; resize: vertical;
}
.form input:focus, .form select:focus, .form textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 4px rgba(91, 140, 255, .18); }
.form input.is-invalid { border-color: #ff6b81; }
.form__hint { margin: 0; font-size: .8rem; color: var(--muted); text-align: center; }
.form__status { margin: 0; text-align: center; font-weight: 600; color: var(--green); min-height: 1.2em; }

/* ================= ПОДВАЛ ================= */
.footer { padding: 36px 0; border-top: 1px solid var(--border); }
.footer__inner { display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.footer p { margin: 0; color: var(--muted); font-size: .9rem; }
.footer a:not(.logo) { color: var(--muted); font-size: .9rem; }
/* ---- Страницы документов (политика, согласие) ---- */
.doc { padding-block: 48px 80px; line-height: 1.7; }
.doc h1 { font-size: clamp(1.6rem, 4vw, 2.2rem); line-height: 1.2; margin: 24px 0 8px; }
.doc h2 { font-size: 1.2rem; margin: 36px 0 10px; }
.doc p, .doc li { color: var(--muted); }
.doc b { color: var(--text); }
.doc a:not(.doc__back) { color: var(--accent); text-decoration: underline; }
.doc__back { color: var(--muted); font-weight: 600; }
.doc__back:hover { color: var(--text); }
.doc__date { font-size: .9rem; }

/* ---- Галочка согласия в форме ---- */
.form .consent { display: flex; align-items: flex-start; gap: 10px; font-size: .85rem; color: var(--muted); cursor: pointer; }
.form .consent input { width: 18px; height: 18px; padding: 0; margin: 2px 0 0; flex-shrink: 0; accent-color: var(--accent); }
.form .consent span { font-size: .85rem; font-weight: 500; }
.form .consent a { color: var(--text); text-decoration: underline; }
.form .consent.is-invalid { color: #ff6b81; }

.footer__legal { display: inline-block; margin-top: 6px; font-size: .78rem; opacity: .75; line-height: 1.5; }

/* ================= ПОЯВЛЕНИЕ ПРИ СКРОЛЛЕ ================= */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s ease; }
.reveal.is-visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; }
}

/* ================= АДАПТИВ ================= */
@media (max-width: 1024px) {
  .grid--3 { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(3, 1fr); }
  .price--hot { transform: none; }
}

@media (max-width: 860px) {
  .nav, .header__cta { display: none; }
  .burger { display: block; }
  .nav.is-open {
    display: flex; flex-direction: column; gap: 0;
    position: absolute; top: 72px; left: 0; right: 0;
    padding: 10px 20px 20px; background: rgba(11, 13, 23, .97);
    border-bottom: 1px solid var(--border);
  }
  .nav.is-open a { padding: 14px 0; border-bottom: 1px solid var(--border); font-size: 1.05rem; }

  .hero { padding-top: 110px; }
  .hero__inner { grid-template-columns: 1fr; gap: 50px; }
  .phone { transform: none; height: 460px; }
  .cta { grid-template-columns: 1fr; padding: 32px 22px; gap: 36px; }
  .section { padding: 72px 0; }
}

@media (max-width: 640px) {
  .grid--3, .grid--2 { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .hero__actions .btn { width: 100%; }
  .hero__stats { gap: 24px; }
  .hero__stats b { font-size: 1.6rem; }
  .card, .case, .price { padding: 26px 22px; }
  .footer__inner { flex-direction: column; text-align: center; }
}