:root {
  /* Тёмная тема + cyan-акцент — по образцу electrotomsk.ru */
  --bg: #0a0e14;
  --bg-alt: #0d1320;
  --surface: #11182a;
  --surface-2: #141d33;
  --border: #1d2740;
  --text: #e6ebf5;
  --text-dim: #8b97b3;
  --accent: #2fd8ff;
  --accent-strong: #5fe3ff;
  --accent-glow: rgba(47, 216, 255, 0.35);
  --accent-soft: rgba(47, 216, 255, 0.10);
  --green: #5dd39e;
  --green-bg: rgba(93, 211, 158, 0.08);
  --red: #ff8b8b;
  --red-bg: rgba(255, 139, 139, 0.07);
  --font: 'Inter', 'Segoe UI', system-ui, -apple-system, 'Calibri', sans-serif;
  --container-w: 1140px;
  --header-pad: 24px;
  --header-h: 68px;
  --radius: 14px;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.35);
  --shadow-hover: 0 12px 40px rgba(0, 0, 0, 0.45);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.container { width: 100%; max-width: var(--container-w); margin: 0 auto; padding: 0 24px; }

/* ---------- Header (glassmorphism) ---------- */
.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  padding: var(--header-pad) 0;
  border-bottom: 1px solid transparent;
  transition: background 0.3s ease, border-color 0.3s ease, padding 0.3s ease;
}
.header.scrolled {
  background: rgba(10, 14, 20, 0.85);
  backdrop-filter: blur(10px);
  border-bottom-color: var(--border);
  padding: 15px 0;
}
.header__inner { display: flex; align-items: center; justify-content: space-between; padding-left: max(8vw, 48px); padding-right: max(8vw, 48px); }

.logo { display: inline-flex; align-items: center; gap: 10px; font-weight: 800; font-size: 19px; letter-spacing: 0.01em; color: var(--text); }
.logo__badge { flex: none; width: 34px; height: 34px; border-radius: 9px; background: var(--accent); display: inline-flex; align-items: center; justify-content: center; box-shadow: 0 0 18px var(--accent-glow); }
.logo__badge svg { width: 20px; height: 20px; display: block; }
.logo__text { letter-spacing: 0.01em; }
.logo__ai { color: var(--accent); }

.nav { display: flex; align-items: center; gap: 26px; }
.nav a { font-size: 14.5px; font-weight: 500; color: var(--text-dim); }
.nav a:hover { color: var(--text); text-decoration: none; }
.nav__cta { color: var(--bg) !important; background: var(--accent); padding: 9px 18px; border-radius: 999px; font-weight: 600; box-shadow: 0 0 18px var(--accent-glow); }
.nav__cta:hover { background: var(--accent-strong); text-decoration: none; }

.burger { display: none; flex-direction: column; justify-content: center; gap: 5px; width: 32px; height: 32px; background: none; border: none; cursor: pointer; }
.burger span { width: 100%; height: 2px; background: var(--text); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 14px 28px; border-radius: 999px; font-weight: 600; font-size: 15.5px;
  border: 1px solid transparent; cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}
.btn--primary { background: var(--accent); color: var(--bg); box-shadow: 0 0 24px var(--accent-glow); }
.btn--primary:hover { transform: translateY(-2px); background: var(--accent-strong); text-decoration: none; color: var(--bg); }
.btn--ghost { border-color: var(--border); color: var(--text); background: transparent; }
.btn--ghost:hover { border-color: var(--accent); color: var(--accent); text-decoration: none; }
.btn--full { width: 100%; }

/* ---------- Hero ---------- */
.hero {
  position: relative; padding: calc(var(--header-h) + 60px) 0 70px;
  background:
    radial-gradient(900px 480px at 82% -12%, var(--accent-soft), transparent 60%),
    radial-gradient(700px 400px at 8% 110%, var(--accent-soft), transparent 55%);
  overflow: hidden;
}
.hero__inner { max-width: 820px; position: relative; z-index: 1; }
.hero__kicker {
  display: inline-block; font-size: 13px; font-weight: 700; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--accent); background: var(--accent-soft);
  border: 1px solid rgba(47, 216, 255, 0.25); padding: 6px 14px; border-radius: 999px; margin-bottom: 22px;
}
.hero h1 { font-size: clamp(30px, 5vw, 52px); font-weight: 800; line-height: 1.1; letter-spacing: -0.02em; margin-bottom: 20px; color: var(--text); }
.hero h1 .accent { color: var(--accent); }
.hero__sub { font-size: clamp(16px, 2vw, 19px); color: var(--text-dim); max-width: 640px; margin-bottom: 14px; }
.hero__sub b { color: var(--text); }
.hero__trust { font-size: 14.5px; color: var(--text-dim); margin: 22px 0 30px; padding-top: 18px; border-top: 1px solid var(--border); }
.hero__trust b { color: var(--text); }
.hero__actions { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; }

/* ---------- Sections ---------- */
.section { padding: 84px 0; position: relative; }
.section--alt { background: var(--bg-alt); }
.section__tag {
  display: inline-block; font-size: 13px; font-weight: 700; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--accent); margin-bottom: 12px;
}
.section__title { font-size: clamp(26px, 3.6vw, 38px); font-weight: 800; letter-spacing: -0.02em; margin-bottom: 16px; color: var(--text); }
.section__lead { color: var(--text-dim); font-size: 17px; max-width: 660px; margin-bottom: 44px; }
.section__lead b { color: var(--text); }

.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ---------- Боль ---------- */
.pain__list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px 22px; list-style: none; }
.pain__list li { display: flex; gap: 12px; align-items: flex-start; font-size: 15.5px; color: var(--text-dim); padding: 10px 0; }
.pain__list li::before { content: '—'; color: var(--red); font-weight: 700; flex-shrink: 0; }
.pain__list li b { color: var(--text); }
/* Мобильная «Боль»: пункты — плитки, заголовок целиком на своей строке */
@media (max-width: 720px) {
  .pain__list { gap: 10px; }
  .pain__list li {
    display: block; padding: 12px 14px;
    background: var(--surface); border: 1px solid var(--border); border-radius: 12px;
  }
  .pain__list li::before { content: none; }
  .pain__list li b { display: block; margin-bottom: 4px; font-size: 15.5px; }
  .pain__list li b::before { content: '— '; color: var(--red); }
}
.pain__note { margin-top: 26px; padding: 20px 24px; background: var(--surface); border-left: 4px solid var(--accent); border-radius: 0 var(--radius) var(--radius) 0; font-size: 16px; color: var(--text-dim); }
.pain__note b { color: var(--text); }

/* ---------- Карточки ---------- */
.cards-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.cards-grid--3 { grid-template-columns: repeat(3, 1fr); }
.card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 26px 24px;
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}
.card:hover { transform: translateY(-4px); border-color: var(--accent); box-shadow: 0 0 28px var(--accent-glow); }
.card__icon { width: 42px; height: 42px; border-radius: 10px; margin-bottom: 16px; background: var(--accent-soft); display: flex; align-items: center; justify-content: center; color: var(--accent); font-size: 20px; font-weight: 800; border: 1px solid rgba(47,216,255,0.2); }
.card h3 { font-size: 17px; margin-bottom: 8px; font-weight: 700; color: var(--text); }
.card p { color: var(--text-dim); font-size: 14.5px; }
.card__tag { display: inline-block; margin-top: 14px; font-size: 12px; font-weight: 700; color: var(--accent); background: var(--accent-soft); border: 1px solid rgba(47,216,255,0.22); padding: 5px 12px; border-radius: 999px; white-space: nowrap; }
.card .btn { margin-top: 18px; }

/* ---------- Решение: две колонки ---------- */
.solution__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.solution__col { padding: 28px 26px; border-radius: var(--radius); border: 1px solid var(--border); }
.solution__col--bad { background: var(--red-bg); border-color: rgba(255,139,139,0.22); }
.solution__col--good { background: var(--green-bg); border-color: rgba(93,211,158,0.22); }
.solution__col h3 { font-size: 18px; margin-bottom: 12px; }
.solution__col--bad h3 { color: var(--red); }
.solution__col--good h3 { color: var(--green); }
.solution__col p { color: var(--text-dim); font-size: 15px; }

/* ---------- Программа ---------- */
.program__list { display: flex; flex-direction: column; gap: 16px; }
.program__course { margin: 40px 0 18px; font-size: 20px; font-weight: 800; color: var(--text); display: flex; flex-wrap: wrap; align-items: baseline; gap: 10px; }
.program__course:first-of-type { margin-top: 28px; }
.program__course span { font-size: 13.5px; font-weight: 600; color: var(--text-dim); }
.program__item { display: grid; grid-template-columns: 70px 1fr auto; gap: 22px; align-items: start; padding: 22px 24px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); transition: border-color 0.25s ease; }
.program__item:hover { border-color: rgba(47,216,255,0.4); }
.program__num { font-size: 30px; font-weight: 800; color: var(--accent); line-height: 1; }
.program__body h3 { font-size: 17.5px; margin-bottom: 4px; color: var(--text); }
.program__body p { color: var(--text-dim); font-size: 14.5px; }
.program__hours { font-size: 13px; font-weight: 700; color: var(--accent); background: var(--accent-soft); border: 1px solid rgba(47,216,255,0.22); padding: 6px 12px; border-radius: 999px; white-space: nowrap; }

/* ---------- Автор ---------- */
.about__grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: 50px; align-items: center; }
.about__grid > * { min-width: 0; }
.about__text p { color: var(--text-dim); font-size: 16px; margin-bottom: 14px; }
.about__text p b { color: var(--text); }
.about__quote { margin-top: 22px; padding: 18px 22px; background: var(--accent-soft); border-left: 4px solid var(--accent); border-radius: 0 var(--radius) var(--radius) 0; font-style: italic; color: var(--accent-strong); }
.about__photo { aspect-ratio: 1; width: 100%; object-fit: cover; object-position: center; border-radius: var(--radius); border: 1px solid var(--border); box-shadow: 0 0 36px rgba(47,216,255,0.12); }
.about__stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 28px; }
@media (max-width: 480px) { .about__stats { grid-template-columns: repeat(auto-fit, minmax(84px, 1fr)); } }
.stat { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px 14px; text-align: center; }
.stat__num { display: block; font-size: 28px; font-weight: 800; color: var(--accent); }
.stat__label { display: block; margin-top: 4px; font-size: 13px; color: var(--text-dim); }

/* ---------- Тарифы ---------- */
.pricing__grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; align-items: stretch; max-width: 920px; margin: 0 auto; }
.price { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 30px 26px; display: flex; flex-direction: column; position: relative; transition: border-color 0.25s ease; }
.price:hover { border-color: rgba(47,216,255,0.4); }
.price--featured { border: 2px solid var(--accent); box-shadow: 0 0 32px var(--accent-glow); }
.price__badge { position: absolute; top: -12px; left: 26px; background: var(--accent); color: var(--bg); font-size: 12px; font-weight: 700; padding: 5px 14px; border-radius: 999px; }
.price__name { font-size: 19px; font-weight: 800; margin-bottom: 6px; color: var(--text); }
.price__vol { font-size: 14px; color: var(--text-dim); margin-bottom: 16px; }
.price__amount { font-size: 32px; font-weight: 800; color: var(--text); margin-bottom: 4px; }
.price__note { font-size: 13px; color: var(--text-dim); margin-bottom: 20px; }
.price__list { list-style: none; margin-bottom: 24px; flex: 1; }
.price__list li { font-size: 14.5px; color: var(--text-dim); padding: 7px 0 7px 26px; position: relative; border-bottom: 1px solid var(--border); }
.price__list li:last-child { border-bottom: none; }
.price__list li::before { content: '✓'; position: absolute; left: 0; color: var(--green); font-weight: 700; }
.price .btn { margin-top: auto; }

/* ---------- FAQ ---------- */
.faq__list { display: flex; flex-direction: column; gap: 12px; }
.faq__item { border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); overflow: hidden; transition: border-color 0.2s ease; }
.faq__item.open { border-color: rgba(47,216,255,0.4); }
.faq__q { width: 100%; text-align: left; background: none; border: none; padding: 20px 24px; font-size: 16px; font-weight: 600; color: var(--text); cursor: pointer; display: flex; justify-content: space-between; align-items: center; gap: 16px; font-family: var(--font); }
.faq__q::after { content: '+'; font-size: 22px; color: var(--accent); flex-shrink: 0; transition: transform 0.2s ease; }
.faq__item.open .faq__q::after { transform: rotate(45deg); }
.faq__a { max-height: 0; overflow: hidden; transition: max-height 0.3s ease; }
.faq__a p { padding: 0 24px 20px; color: var(--text-dim); font-size: 15px; }

/* ---------- Форма заявки ---------- */
.register { background: var(--bg-alt); }
.register__inner { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: start; }
.register__inner > * { min-width: 0; } /* иначе select раздувает grid-колонку на мобиле */
.register__info h2 { font-size: clamp(26px, 3.6vw, 36px); font-weight: 800; letter-spacing: -0.02em; margin-bottom: 16px; color: var(--text); }
.register__info p { color: var(--text-dim); font-size: 16px; margin-bottom: 14px; }
.register__info ul { list-style: none; margin-top: 18px; }
.register__info li { padding: 8px 0 8px 26px; position: relative; color: var(--text-dim); font-size: 15px; }
.register__info li::before { content: '✓'; position: absolute; left: 0; color: var(--green); font-weight: 700; }

.form { background: var(--surface); border: 1px solid var(--border); border-radius: 18px; padding: 32px; box-shadow: var(--shadow); display: flex; flex-direction: column; gap: 16px; }
.form__row { display: flex; flex-direction: column; gap: 7px; }
.form__row label { font-size: 13.5px; font-weight: 600; color: var(--text); }
.form__row label .req { color: var(--red); }
.form__row input, .form__row select, .form__row textarea {
  width: 100%; box-sizing: border-box;
  background: var(--bg-alt); border: 1px solid var(--border); border-radius: 10px;
  padding: 12px 14px; color: var(--text); font-family: var(--font); font-size: 15px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.form__row input::placeholder, .form__row textarea::placeholder { color: #5d6b85; }
.form__row input:focus, .form__row select:focus, .form__row textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-glow); }
.form__row textarea { resize: vertical; min-height: 80px; }
.form__row select { appearance: none; background-image: linear-gradient(45deg, transparent 50%, var(--accent) 50%), linear-gradient(135deg, var(--accent) 50%, transparent 50%); background-position: calc(100% - 20px) 18px, calc(100% - 14px) 18px; background-size: 6px 6px, 6px 6px; background-repeat: no-repeat; padding-right: 36px; }
.form__consent { display: flex; gap: 10px; align-items: flex-start; font-size: 13px; color: var(--text-dim); }
.form__consent input { width: auto; margin-top: 3px; accent-color: var(--accent); }
.form__hp { position: absolute; left: -9999px; top: -9999px; }
.form__status { font-size: 14px; min-height: 20px; color: var(--text-dim); }
.form__status.success { color: var(--green); }
.form__status.error { color: var(--red); }

/* ---------- Footer ---------- */
.footer { border-top: 1px solid var(--border); padding: 50px 0 26px; background: var(--bg-alt); }
.footer__inner { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 36px; padding-bottom: 32px; }
.footer__brand p { margin-top: 10px; color: var(--text-dim); font-size: 14px; }
.footer__col h4 { font-size: 14px; font-weight: 700; margin-bottom: 12px; color: var(--text); }
.footer__nav { display: flex; flex-direction: column; gap: 8px; font-size: 14px; }
.footer__nav a { color: var(--text-dim); }
.footer__nav a:hover { color: var(--accent); }
.footer__copy { border-top: 1px solid var(--border); padding-top: 18px; font-size: 13px; color: var(--text-dim); display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; }

/* ---------- Юридические страницы ---------- */
.legal { padding: calc(var(--header-h) + 50px) 0 70px; }
.legal__wrap { max-width: 820px; }
.legal h1 { font-size: clamp(26px, 3.6vw, 36px); font-weight: 800; margin-bottom: 8px; color: var(--text); }
.legal__meta { color: var(--text-dim); font-size: 14px; margin-bottom: 30px; padding-bottom: 20px; border-bottom: 1px solid var(--border); }
.legal h2 { font-size: 20px; font-weight: 700; color: var(--accent); margin: 30px 0 12px; }
.legal h3 { font-size: 16px; font-weight: 700; margin: 20px 0 8px; color: var(--text); }
.legal p { color: var(--text-dim); font-size: 15px; margin-bottom: 12px; }
.legal ul, .legal ol { color: var(--text-dim); font-size: 15px; margin: 0 0 14px 22px; }
.legal li { margin-bottom: 6px; }
.legal .warn { background: var(--red-bg); border-left: 4px solid var(--red); padding: 14px 18px; border-radius: 0 var(--radius) var(--radius) 0; color: var(--red); font-size: 14px; margin: 18px 0; }
.legal b { color: var(--text); }
.legal .back { display: inline-block; margin-bottom: 24px; font-size: 14px; }

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .about__grid, .register__inner, .solution__grid { grid-template-columns: 1fr; }
  .cards-grid--3, .pricing__grid { grid-template-columns: 1fr; }
  .footer__inner { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 720px) {
  .nav {
    position: fixed; top: calc(var(--header-h) + 8px); right: 24px; left: 24px;
    background: var(--bg-alt); border: 1px solid var(--border); border-radius: 16px;
    flex-direction: column; align-items: stretch; gap: 4px; padding: 14px;
    transform: translateY(-12px); opacity: 0; pointer-events: none;
    transition: opacity 0.25s ease, transform 0.25s ease; box-shadow: var(--shadow-hover);
  }
  .nav.open { opacity: 1; transform: translateY(0); pointer-events: auto; }
  .nav a { padding: 10px 8px; }
  .nav__cta { text-align: center; margin-top: 6px; }
  .burger { display: flex; }
  .pain__list, .cards-grid { grid-template-columns: 1fr; }
  .program__item { grid-template-columns: 1fr; gap: 8px; }
  .program__hours { justify-self: start; }
  .footer__inner { grid-template-columns: 1fr; gap: 24px; }
  .section { padding: 60px 0; }
  .hero { padding-top: calc(var(--header-h) + 40px); }
}