:root {
  --color-bg: #ffffff;
  --color-surface: #f4f5fb;
  --color-text: #17182b;
  --color-muted: #656a85;
  --color-accent: #3730a3;
  --color-accent-dark: #2a2480;
  --color-border: #e2e4ef;
  --font-head: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  --font-body: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  --container: 1140px;
  --radius: 12px;
  --shadow: 0 1px 3px rgba(23, 24, 43, .08);
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.66;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }

a { color: var(--color-accent); }

h1, h2, h3, h4 { font-family: var(--font-head); line-height: 1.2; margin: 0 0 .6em; font-weight: 700; }

h1 { font-size: clamp(1.9rem, 5vw, 2.95rem); letter-spacing: -.025em; }
h2 { font-size: clamp(1.45rem, 3.2vw, 2.05rem); letter-spacing: -.018em; }
h3 { font-size: 1.12rem; }

p { margin: 0 0 1em; }

.cq-container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 20px; }

.cq-section { padding: 66px 0; }
.cq-section--tint { background: var(--color-surface); }

.cq-tag {
  display: inline-block;
  font-size: .74rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--color-accent);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  padding: 5px 13px;
  margin: 0 0 1.1em;
}

.cq-section--tint .cq-tag { background: var(--color-bg); }

.cq-lead { font-size: 1.09rem; color: var(--color-muted); max-width: 63ch; }

/* header */

.cq-header { border-bottom: 1px solid var(--color-border); background: var(--color-bg); position: sticky; top: 0; z-index: 30; }
.cq-header__inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 70px; }

.cq-logo {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.2rem;
  letter-spacing: -.02em;
  color: var(--color-text);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.cq-logo__mark { width: 26px; height: 26px; flex: 0 0 26px; }

.cq-nav ul { list-style: none; display: flex; gap: 24px; margin: 0; padding: 0; align-items: center; }
.cq-nav a { color: var(--color-text); text-decoration: none; font-size: .94rem; }
.cq-nav a:hover { color: var(--color-accent); }

.cq-burger { display: none; width: 44px; height: 44px; border: 1px solid var(--color-border); border-radius: 10px; background: none; cursor: pointer; padding: 11px; }
.cq-burger span { display: block; height: 2px; background: var(--color-text); margin: 4px 0; }

/* hero */

.cq-hero { padding: 60px 0 54px; background: linear-gradient(180deg, var(--color-surface), var(--color-bg)); }
.cq-hero__grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 46px; align-items: center; }
.cq-hero__figure { margin: 0; }

.cq-hero__figure img {
  width: 100%;
  aspect-ratio: 4 / 3;
  height: auto;
  object-fit: cover;
  border-radius: var(--radius);
  background: var(--color-surface);
}

.cq-caption { font-size: .82rem; color: var(--color-muted); margin-top: 9px; }

.cq-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }

.cq-btn {
  display: inline-block;
  padding: 14px 24px;
  border-radius: 10px;
  background: var(--color-accent);
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  font-size: .97rem;
  border: 1px solid var(--color-accent);
  cursor: pointer;
  font-family: inherit;
}

.cq-btn:hover { background: var(--color-accent-dark); border-color: var(--color-accent-dark); }
.cq-btn--ghost { background: var(--color-bg); color: var(--color-text); border-color: var(--color-border); }
.cq-btn--ghost:hover { border-color: var(--color-muted); }

.cq-stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 20px; margin-top: 36px; }

.cq-stats > div { background: var(--color-bg); border: 1px solid var(--color-border); border-radius: var(--radius); padding: 16px 18px; }
.cq-stats dt { font-family: var(--font-head); font-size: 1.5rem; font-weight: 700; letter-spacing: -.03em; color: var(--color-accent); }
.cq-stats dd { margin: 2px 0 0; font-size: .84rem; color: var(--color-muted); line-height: 1.45; }

/* course cards */

.cq-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 22px; margin-top: 34px; }

.cq-course {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 24px;
  background: var(--color-bg);
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow);
}

.cq-course__level { font-size: .72rem; letter-spacing: .13em; text-transform: uppercase; font-weight: 700; color: var(--color-muted); margin-bottom: .8em; }
.cq-course h3 { margin-bottom: .45em; }
.cq-course p { color: var(--color-muted); font-size: .94rem; margin-bottom: 1em; }

.cq-course ul { list-style: none; padding: 0; margin: 0 0 1.2em; font-size: .9rem; color: var(--color-muted); }
.cq-course li { padding-left: 20px; position: relative; margin-bottom: .35em; }
.cq-course li::before { content: "·"; position: absolute; left: 6px; color: var(--color-accent); font-weight: 700; font-size: 1.3rem; line-height: 1; }

.cq-course__foot { margin-top: auto; padding-top: 16px; border-top: 1px solid var(--color-border); display: flex; align-items: baseline; justify-content: space-between; gap: 12px; flex-wrap: wrap; }

.cq-price { font-family: var(--font-head); font-size: 1.3rem; font-weight: 700; letter-spacing: -.02em; }
.cq-price small { display: block; font-size: .72rem; font-weight: 400; color: var(--color-muted); letter-spacing: .02em; }
.cq-course__link { font-size: .89rem; font-weight: 600; text-decoration: none; }
.cq-course__link:hover { text-decoration: underline; }

/* path */

.cq-path { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 24px; margin-top: 34px; }

.cq-path__item { background: var(--color-bg); border: 1px solid var(--color-border); border-radius: var(--radius); padding: 22px; }
.cq-path__num { display: inline-flex; align-items: center; justify-content: center; width: 34px; height: 34px; border-radius: 50%; background: var(--color-accent); color: #fff; font-weight: 700; font-size: .86rem; margin-bottom: 14px; }
.cq-path__item h3 { margin-bottom: .35em; }
.cq-path__item p { color: var(--color-muted); font-size: .93rem; margin: 0; }

/* gallery */

.cq-gallery { display: grid; grid-template-columns: repeat(auto-fit, minmax(270px, 1fr)); gap: 22px; margin-top: 34px; }
.cq-gallery figure { margin: 0; }
.cq-gallery img { width: 100%; aspect-ratio: 4 / 3; height: auto; object-fit: cover; border-radius: var(--radius); background: var(--color-surface); }
.cq-gallery figcaption { font-size: .89rem; color: var(--color-muted); margin-top: 10px; }
.cq-gallery strong { display: block; color: var(--color-text); font-size: .96rem; margin-bottom: .15em; }

/* plain list */

.cq-plain { list-style: none; padding: 0; margin: 28px 0 0; max-width: 78ch; }
.cq-plain li { padding: 15px 0 15px 32px; border-bottom: 1px solid var(--color-border); position: relative; font-size: .97rem; }
.cq-plain li::before { content: "✓"; position: absolute; left: 2px; color: var(--color-accent); font-weight: 700; }
.cq-plain li.is-no::before { content: "✕"; color: var(--color-muted); }

/* faq */

.cq-faq { margin-top: 30px; max-width: 830px; }
.cq-faq__item { border: 1px solid var(--color-border); border-radius: var(--radius); margin-bottom: 10px; background: var(--color-bg); }

.cq-faq__q {
  width: 100%; text-align: left; background: none; border: 0;
  padding: 17px 42px 17px 20px; font-size: 1rem; font-weight: 600;
  font-family: var(--font-head); color: var(--color-text); cursor: pointer;
  position: relative; line-height: 1.42;
}

.cq-faq__q::after { content: "+"; position: absolute; right: 18px; top: 50%; transform: translateY(-50%); font-size: 1.35rem; font-weight: 400; color: var(--color-accent); }
.cq-faq__item.is-open .cq-faq__q::after { content: "\2013"; }
.cq-faq__a { display: none; padding: 0 20px 18px; color: var(--color-muted); }
.cq-faq__item.is-open .cq-faq__a { display: block; }

/* form */

.cq-form-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 38px; margin-top: 30px; align-items: start; }
.cq-form { display: grid; gap: 15px; }

.cq-field label { display: block; font-size: .86rem; font-weight: 600; margin-bottom: 7px; }

.cq-field input, .cq-field textarea {
  width: 100%; padding: 12px 14px; border: 1px solid var(--color-border);
  border-radius: 10px; font: inherit; font-size: .96rem;
  background: var(--color-bg); color: var(--color-text);
}

.cq-field input:focus, .cq-field textarea:focus { outline: 2px solid var(--color-accent); outline-offset: 1px; border-color: var(--color-accent); }
.cq-field textarea { min-height: 130px; resize: vertical; }

.cq-hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.cq-consent { font-size: .82rem; color: var(--color-muted); }

.cq-box { border: 1px solid var(--color-border); border-radius: var(--radius); padding: 24px; background: var(--color-surface); }
.cq-box dl { margin: 0; }
.cq-box dt { font-size: .74rem; text-transform: uppercase; letter-spacing: .12em; color: var(--color-muted); margin-top: 15px; }
.cq-box dt:first-child { margin-top: 0; }
.cq-box dd { margin: 3px 0 0; }

/* prose */

.cq-prose { max-width: 74ch; }
.cq-prose h2 { margin-top: 1.7em; }
.cq-prose ul, .cq-prose ol { padding-left: 22px; margin: 0 0 1em; }
.cq-prose li { margin-bottom: .45em; }
.cq-prose table { width: 100%; border-collapse: collapse; margin: 0 0 1.4em; font-size: .93rem; }
.cq-prose th, .cq-prose td { border: 1px solid var(--color-border); padding: 9px 11px; text-align: left; vertical-align: top; }
.cq-prose th { background: var(--color-surface); }

.cq-scroll { overflow-x: auto; }
.cq-page-head { padding: 46px 0 6px; }

/* footer */

.cq-footer { border-top: 1px solid var(--color-border); padding: 48px 0 34px; background: var(--color-surface); font-size: .92rem; }
.cq-footer__grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 28px; }
.cq-footer h4 { font-size: .75rem; text-transform: uppercase; letter-spacing: .13em; color: var(--color-muted); margin-bottom: 1em; }
.cq-footer ul { list-style: none; margin: 0; padding: 0; }
.cq-footer li { margin-bottom: .5em; }
.cq-footer a { color: var(--color-text); text-decoration: none; }
.cq-footer a:hover { color: var(--color-accent); text-decoration: underline; }
.cq-footer__bottom { margin-top: 34px; padding-top: 20px; border-top: 1px solid var(--color-border); color: var(--color-muted); font-size: .84rem; }

/* cookie */

.cq-cookie {
  position: fixed; left: 16px; right: 16px; bottom: 16px; z-index: 60;
  background: var(--color-bg); border: 1px solid var(--color-border); border-radius: var(--radius);
  box-shadow: 0 8px 30px rgba(23, 24, 43, .15); padding: 20px 22px; max-width: 640px; margin: 0 auto; display: none;
}

.cq-cookie.is-visible { display: block; }
.cq-cookie p { font-size: .89rem; margin-bottom: .95em; }
.cq-cookie__actions { display: flex; flex-wrap: wrap; gap: 10px; }
.cq-cookie .cq-btn { padding: 10px 18px; font-size: .88rem; }

/* 404 */

.cq-404 { padding: 92px 0; text-align: center; }
.cq-404 p { color: var(--color-muted); max-width: 54ch; margin-left: auto; margin-right: auto; }

@media (max-width: 900px) {
  .cq-hero__grid { grid-template-columns: 1fr; gap: 30px; }
  .cq-form-grid { grid-template-columns: 1fr; gap: 26px; }
}

@media (max-width: 760px) {
  body { font-size: 16px; }
  .cq-section { padding: 50px 0; }
  .cq-burger { display: block; }
  .cq-nav {
    display: none; position: absolute; left: 0; right: 0; top: 100%;
    background: var(--color-bg); border-bottom: 1px solid var(--color-border); padding: 10px 20px 20px;
  }
  .cq-nav.is-open { display: block; }
  .cq-nav ul { flex-direction: column; gap: 0; align-items: stretch; }
  .cq-nav li { border-top: 1px solid var(--color-border); }
  .cq-nav a { display: block; padding: 12px 0; }
  .cq-header__inner { position: relative; }
  .cq-hero { padding: 36px 0 36px; }
}