:root {
  --bg: #fbf8ff;
  --panel: #fffefe;
  --panel-alt: #efe7fb;
  --ink: #171236;
  --muted: #615a7d;
  --primary: #8f68cc;
  --primary-deep: #4f367f;
  --accent: #7655c7;
  --second: #a984dc;
  --gold: #c5addf;
  --line: rgba(92, 69, 132, 0.18);
  --shadow-color: rgba(46, 35, 82, 0.13);
  --radius: 8px;
  --heading: 'Bitter', Georgia, serif;
  --body: 'Bitter', Georgia, serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  font-family: var(--body);
  background: var(--bg);
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--panel-alt) 72%, transparent), transparent 540px),
    linear-gradient(90deg, color-mix(in srgb, var(--primary) 8%, transparent) 1px, transparent 1px),
    linear-gradient(color-mix(in srgb, var(--primary) 7%, transparent) 1px, transparent 1px);
  background-size: auto, 34px 34px, 34px 34px;
}
img { display: block; max-width: 100%; }
a { color: inherit; }
.container { width: min(1160px, calc(100% - 40px)); margin: 0 auto; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  width: min(1160px, calc(100% - 24px));
  margin: 12px auto 0;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) + 6px);
  background: color-mix(in srgb, var(--panel) 88%, transparent);
  box-shadow: 0 12px 32px var(--shadow-color);
  backdrop-filter: blur(18px);
}
.brand { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; }
.brand-mark {
  display: grid;
  width: 44px;
  height: 44px;
  place-items: center;
  border-radius: var(--radius);
  color: white;
  font-family: var(--heading);
  font-size: 22px;
  font-weight: 800;
  background: var(--primary-deep);
}
.brand strong, .brand small { display: block; }
.brand strong { font-family: var(--heading); font-size: 15px; letter-spacing: 0; }
.brand small { color: var(--muted); font-size: 12px; }
.nav { display: flex; align-items: center; gap: 6px; }
.nav a {
  padding: 12px 14px;
  border-radius: var(--radius);
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
  transition: background 0.2s ease, color 0.2s ease;
}
.nav a:hover, .nav a:focus-visible {
  color: var(--ink);
  background: color-mix(in srgb, var(--primary) 13%, transparent);
  outline: 3px solid color-mix(in srgb, var(--accent) 32%, transparent);
  outline-offset: 2px;
}
.nav-toggle { display: none; }
.section { padding: 84px 0; }
.section-band { position: relative; }
.section-band::after {
  content: "";
  position: absolute;
  inset: 32px 0;
  z-index: -1;
  background: color-mix(in srgb, var(--panel) 64%, transparent);
  border-block: 1px solid var(--line);
}
.hero {
  min-height: calc(100vh - 72px);
  display: grid;
  align-items: center;
  padding: 72px 0 64px;
}
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.04fr) minmax(340px, 0.96fr);
  align-items: center;
  gap: 54px;
}
.hero-editorial .hero-grid { grid-template-columns: minmax(0, 0.96fr) minmax(360px, 1.04fr); }
.hero-dashboard .hero-visual { background: var(--panel); padding: 16px; border: 1px solid var(--line); border-radius: calc(var(--radius) + 8px); box-shadow: 0 22px 54px var(--shadow-color); }
.hero-cards .hero-grid { align-items: stretch; }
.eyebrow {
  margin: 0 0 14px;
  color: var(--primary-deep);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}
h1, h2, h3, p { overflow-wrap: anywhere; }
h1, h2, h3 {
  margin: 0;
  font-family: var(--heading);
  font-weight: 800;
  line-height: 1.04;
  letter-spacing: 0;
}
h1 {
  max-width: 820px;
  font-size: clamp(38px, 4.4vw, 52px);
  line-height: 1.1;
}
h2 { font-size: clamp(31px, 4.1vw, 52px); }
h3 { font-size: 21px; line-height: 1.22; }
.lead, .section-heading p, .about-copy p, .contacts p {
  color: var(--muted);
  font-size: 17px;
  line-height: 1.7;
}
.lead { max-width: 720px; margin: 24px 0 0; }
.hero-actions, .about-badges { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.button {
  display: inline-flex;
  min-height: 52px;
  align-items: center;
  justify-content: center;
  padding: 0 22px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 800;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}
.button:hover, .button:focus-visible { transform: translateY(-2px); outline: 3px solid color-mix(in srgb, var(--accent) 34%, transparent); outline-offset: 3px; }
.primary { color: white; background: var(--accent); box-shadow: 0 16px 30px color-mix(in srgb, var(--accent) 24%, transparent); }
.secondary { color: var(--ink); background: color-mix(in srgb, var(--panel) 88%, transparent); border-color: var(--line); }
.gift {
  color: white;
  background: var(--primary-deep);
  box-shadow: 0 16px 30px color-mix(in srgb, var(--primary-deep) 28%, transparent);
}
.wide { width: 100%; }
.self-test-section { padding-block: 56px; }
.self-test-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 8px;
}
.self-test-card {
  display: grid;
  gap: 10px;
  align-content: start;
  justify-items: center;
  min-height: 100%;
  padding: 22px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--panel) 88%, transparent);
  box-shadow: 0 18px 45px var(--shadow-color);
  text-align: center;
  text-decoration: none;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}
.self-test-card:hover,
.self-test-card:focus-visible {
  transform: translateY(-3px);
  border-color: color-mix(in srgb, var(--primary) 42%, transparent);
  outline: 3px solid color-mix(in srgb, var(--accent) 24%, transparent);
  outline-offset: 2px;
}
.self-test-grade {
  display: inline-flex;
  width: fit-content;
  padding: 6px 10px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--panel-alt) 88%, transparent);
  color: var(--primary-deep);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}
.self-test-card strong {
  color: var(--primary-deep);
  font-family: var(--heading);
  font-size: 22px;
  line-height: 1.25;
}
.self-test-card p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.55;
}
.self-test-action {
  margin-top: 8px;
  color: var(--accent);
  font-size: 14px;
  font-weight: 800;
}
.self-test-action::after { content: " →"; }
.metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 34px;
}
.metrics div, .strip-grid > div, .program-card, .scoreboard, .mini-grid article, .contact-card {
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--panel) 82%, transparent);
  box-shadow: 0 18px 45px var(--shadow-color);
}
.metrics div { padding: 18px; border-radius: var(--radius); }
.metrics strong, .program-top strong, .score-row strong, .proof-panel strong { display: block; color: var(--primary-deep); font-family: var(--heading); line-height: 1; }
.metrics strong { font-size: 31px; }
.metrics span, .proof-panel small { display: block; margin-top: 7px; color: var(--muted); font-size: 12px; font-weight: 700; line-height: 1.45; }
.hero-visual { position: relative; isolation: isolate; }
.hero-visual::before {
  content: "y = kx + b";
  position: absolute;
  top: -26px;
  right: 0;
  z-index: -1;
  color: color-mix(in srgb, var(--primary) 13%, transparent);
  font-family: var(--heading);
  font-size: 68px;
  font-weight: 800;
}
.hero-visual img, .about-photo img {
  width: 100%;
  border: 8px solid color-mix(in srgb, var(--panel) 84%, transparent);
  border-radius: calc(var(--radius) + 8px);
  box-shadow: 0 22px 54px var(--shadow-color);
  object-fit: cover;
}
.hero-visual img {
  aspect-ratio: 0.78;
  object-position: center top;
}
.proof-panel {
  position: absolute;
  right: -18px;
  bottom: 48px;
  width: min(280px, 62%);
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--panel) 92%, transparent);
  box-shadow: 0 16px 36px var(--shadow-color);
  backdrop-filter: blur(16px);
}
.proof-panel span { color: var(--accent); font-size: 12px; font-weight: 800; text-transform: uppercase; }
.proof-panel strong { margin-top: 6px; font-size: 22px; line-height: 1.12; }
.strip-grid, .mini-grid, .cases-grid { display: grid; gap: 16px; }
.strip-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.strip-grid > div, .program-card, .scoreboard, .mini-grid article, .contact-card { border-radius: var(--radius); }
.strip-grid > div, .mini-grid article { padding: 26px; }
.icon-dot {
  display: inline-grid;
  width: 44px;
  height: 44px;
  place-items: center;
  margin-bottom: 22px;
  border-radius: var(--radius);
  color: white;
  font-size: 13px;
  font-weight: 800;
  background: var(--second);
}
.strip-grid h2 { font-size: 22px; }
.strip-grid p, .program-card p, .program-card li, .mini-grid p, .score-row span { color: var(--muted); line-height: 1.58; }
.section-heading { max-width: 780px; margin: 0 auto 34px; text-align: center; }
.section-heading.left { margin: 0; text-align: left; }
.programs-carousel { width: min(100%, 980px); margin-inline: auto; }
.programs-controls {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
  margin-bottom: 16px;
}
.programs-grid {
  display: flex;
  gap: 16px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
}
.programs-grid::-webkit-scrollbar { display: none; }
.programs-grid:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--accent) 28%, transparent);
  outline-offset: 4px;
}
.program-card {
  position: relative;
  flex: 0 0 100%;
  width: 100%;
  min-width: 0;
  min-height: 0;
  align-self: flex-start;
  overflow: hidden;
  padding: 26px;
  scroll-snap-align: start;
  scroll-snap-stop: always;
}
.programs-carousel .carousel-dots { justify-content: center; margin-top: 16px; }
.program-card::before { content: ""; position: absolute; inset: 0 0 auto; height: 7px; background: var(--card-accent); }
.program-top { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 18px; }
.program-top span { padding: 8px 12px; border-radius: var(--radius); color: white; font-size: 12px; font-weight: 800; background: var(--card-accent); }
.program-top strong { color: var(--card-accent); font-size: 42px; }
.program-card p { margin: 14px 0 0; }
.program-summary { max-width: 760px; font-size: 16px; }
.program-facts { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.program-facts span {
  padding: 8px 10px;
  border: 1px solid color-mix(in srgb, var(--card-accent) 24%, transparent);
  border-radius: var(--radius);
  color: var(--primary-deep);
  font-size: 12px;
  font-weight: 800;
  background: color-mix(in srgb, var(--card-accent) 8%, var(--panel));
}
.program-details { margin-top: 22px; border-top: 1px solid var(--line); }
.program-details summary {
  position: relative;
  padding: 18px 44px 4px 0;
  color: var(--primary-deep);
  font-weight: 800;
  cursor: pointer;
  list-style: none;
}
.program-details summary::-webkit-details-marker { display: none; }
.program-details summary::after {
  content: "+";
  position: absolute;
  top: 12px;
  right: 0;
  display: grid;
  width: 32px;
  height: 32px;
  place-items: center;
  border: 1px solid color-mix(in srgb, var(--card-accent) 32%, transparent);
  border-radius: 50%;
  color: var(--card-accent);
  font-size: 22px;
  line-height: 1;
  background: var(--panel);
}
.program-details[open] summary::after { content: "-"; }
.program-details summary:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--accent) 30%, transparent);
  outline-offset: 4px;
}
.program-details-content { max-width: 820px; padding: 22px 0 6px; }
.program-details-content h4 {
  margin: 28px 0 0;
  color: var(--ink);
  font-family: var(--heading);
  font-size: 19px;
  line-height: 1.3;
}
.program-details-content h4:first-child { margin-top: 0; }
.course-features,
.course-results { display: grid; gap: 12px; margin: 16px 0 0; padding: 0; list-style: none; }
.course-features li,
.course-results li { position: relative; padding-left: 22px; color: var(--muted); font-size: 15px; font-weight: 500; line-height: 1.58; }
.course-features li::before,
.course-results li::before { content: ""; position: absolute; top: 0.65em; left: 0; width: 8px; height: 8px; border-radius: 50%; background: var(--card-accent); }
.course-features strong { color: var(--ink); }
.course-price {
  margin-top: 24px !important;
  padding: 14px 16px;
  border-left: 4px solid var(--card-accent);
  color: var(--ink) !important;
  background: color-mix(in srgb, var(--card-accent) 8%, var(--panel));
}
.accent-primary { --card-accent: var(--primary); }
.accent-accent { --card-accent: var(--accent); }
.accent-second { --card-accent: var(--second); }
.accent-gold { --card-accent: var(--gold); }
.results-layout, .about-grid, .contacts-grid { display: grid; grid-template-columns: minmax(0, 0.9fr) minmax(320px, 1.1fr); align-items: center; gap: 54px; }
.scoreboard { display: grid; gap: 14px; padding: 20px; }
.score-row { display: grid; grid-template-columns: 0.72fr 1fr; align-items: center; gap: 14px; padding: 22px; border-radius: var(--radius); background: var(--panel-alt); }
.score-row strong { font-size: clamp(24px, 4vw, 40px); line-height: 1.1; }
.about-grid { grid-template-columns: minmax(280px, 0.78fr) minmax(0, 1.22fr); }
.about-photo img { aspect-ratio: 0.78; }
.about-badges span { padding: 11px 14px; border-radius: var(--radius); color: var(--primary-deep); font-size: 13px; font-weight: 800; background: color-mix(in srgb, var(--primary) 13%, transparent); }
.cases-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.cases-grid figure { margin: 0; overflow: hidden; border-radius: var(--radius); background: var(--panel); box-shadow: 0 18px 45px var(--shadow-color); }
.cases-grid img { display: block; width: 100%; aspect-ratio: 2 / 3; object-fit: contain; transition: transform 0.25s ease; }
.cases-grid figure:hover img { transform: scale(1.018); }

.reviews-carousel {
  --review-slide-width: 340px;
  min-width: 0;
}
.reviews-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-bottom: 18px;
}
.reviews-track {
  display: flex;
  gap: 16px;
  overflow-x: auto;
  padding: 4px max(4px, calc((100% - var(--review-slide-width)) / 2)) 22px;
  scroll-padding-inline: max(4px, calc((100% - var(--review-slide-width)) / 2));
  scroll-snap-type: x mandatory;
  scrollbar-width: thin;
  scrollbar-color: var(--primary) transparent;
  overscroll-behavior-inline: contain;
}
.reviews-track:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--accent) 28%, transparent);
  outline-offset: 4px;
}
.review-slide {
  flex: 0 0 var(--review-slide-width);
  margin: 0;
  scroll-snap-align: center;
}
.review-zoom {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  width: 100%;
  aspect-ratio: 577 / 1004;
  overflow: hidden;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: white;
  box-shadow: 0 18px 45px var(--shadow-color);
  cursor: zoom-in;
}
.review-zoom img {
  width: 100%;
  height: auto;
  max-height: 100%;
  display: block;
  object-fit: contain;
  object-position: top center;
}
.review-zoom:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--accent) 30%, transparent);
  outline-offset: 4px;
}
.review-dialog {
  width: min(760px, calc(100vw - 32px));
  max-height: calc(100vh - 32px);
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.28);
}
.review-dialog::backdrop { background: rgba(24, 18, 22, 0.72); }
.review-dialog img {
  width: 100%;
  height: auto;
  border-radius: var(--radius);
}
.review-dialog-close {
  position: sticky;
  top: 0;
  z-index: 1;
  display: grid;
  width: 44px;
  height: 44px;
  place-items: center;
  margin: 0 0 -44px auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--ink);
  font: inherit;
  font-size: 28px;
  line-height: 1;
  background: color-mix(in srgb, var(--panel) 94%, transparent);
  box-shadow: 0 8px 24px var(--shadow-color);
  cursor: pointer;
}
.review-dialog-close:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--accent) 34%, transparent);
  outline-offset: 3px;
}
.carousel-button:disabled {
  opacity: 0.38;
  cursor: default;
  transform: none;
}
.mini-courses { padding-top: 24px; }
.mini-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.mini-grid strong { display: inline-block; margin-top: 16px; color: var(--primary-deep); }

.individual-section { padding-block: 56px; }
.individual-offer {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 380px);
  align-items: center;
  gap: 48px;
  padding-block: 36px;
  border-block: 1px solid var(--line);
}
.individual-copy { max-width: 720px; }
.individual-copy > p:last-child {
  margin: 20px 0 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.65;
}
.individual-price {
  display: grid;
  gap: 14px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--panel) 88%, transparent);
  box-shadow: 0 18px 45px var(--shadow-color);
}
.individual-price span {
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
}
.individual-price strong {
  color: var(--primary-deep);
  font-family: var(--heading);
  font-size: 48px;
  line-height: 1;
}
.individual-price small {
  display: block;
  margin-top: -6px;
  color: var(--muted);
  font-size: 15px;
  font-weight: 700;
}
.contacts-grid { grid-template-columns: minmax(0, 1fr) minmax(300px, 420px); }
.contact-card { display: grid; gap: 12px; padding: 20px; }
.contact-link {
  display: flex;
  min-height: 56px;
  align-items: center;
  justify-content: space-between;
  padding: 0 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--ink);
  font-weight: 800;
  text-decoration: none;
  background: var(--panel-alt);
  transition: border-color 0.2s ease, background 0.2s ease;
}
.contact-link::after { content: "->"; color: var(--primary); }
.contact-link:hover, .contact-link:focus-visible { border-color: color-mix(in srgb, var(--primary) 42%, transparent); background: var(--panel); outline: 3px solid color-mix(in srgb, var(--accent) 24%, transparent); outline-offset: 2px; }
.footer { padding: 26px 0 40px; color: color-mix(in srgb, white 82%, transparent); background: var(--primary-deep); }
.footer .container { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px; font-size: 13px; font-weight: 700; }
.footer-links { display: flex; flex-wrap: wrap; gap: 8px; }
.footer-link {
  display: inline-flex;
  min-height: 36px;
  align-items: center;
  justify-content: center;
  padding: 8px 12px;
  border: 1px solid color-mix(in srgb, white 22%, transparent);
  border-radius: var(--radius);
  color: white;
  text-decoration: none;
  background: color-mix(in srgb, white 8%, transparent);
  transition: background 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}
.footer-link:hover, .footer-link:focus-visible {
  border-color: color-mix(in srgb, white 48%, transparent);
  background: color-mix(in srgb, white 14%, transparent);
  outline: none;
  transform: translateY(-1px);
}

.legal-main { padding: 132px 0 72px; }
.legal-document {
  width: min(100% - 28px, 920px);
  margin: 0 auto;
  padding: clamp(24px, 5vw, 56px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--ink);
  background: var(--panel);
  box-shadow: 0 18px 45px var(--shadow-color);
}
.legal-document h1 {
  margin: 0 0 8px;
  font-size: clamp(32px, 5vw, 52px);
  line-height: 1.05;
}
.legal-document h2 {
  margin: 32px 0 12px;
  font-size: clamp(20px, 3vw, 28px);
  line-height: 1.2;
}
.legal-document p {
  margin: 0 0 12px;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.65;
}
.legal-document .legal-subtitle {
  margin-bottom: 28px;
  color: var(--primary);
  font-weight: 800;
}
.legal-page-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 32px;
}

.education-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.78fr) minmax(360px, 1.22fr);
  align-items: center;
  gap: 54px;
}
.education-carousel {
  min-width: 0;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--panel) 84%, transparent);
  box-shadow: 0 18px 45px var(--shadow-color);
}
.education-controls {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
  margin-bottom: 14px;
}
.carousel-button {
  display: inline-grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--ink);
  font: inherit;
  font-weight: 800;
  background: var(--panel-alt);
  cursor: pointer;
  transition: background 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}
.carousel-button:hover,
.carousel-button:focus-visible {
  transform: translateY(-1px);
  border-color: color-mix(in srgb, var(--primary) 42%, transparent);
  background: var(--panel);
  outline: 3px solid color-mix(in srgb, var(--accent) 24%, transparent);
  outline-offset: 2px;
}
.carousel-count {
  min-width: 54px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
  text-align: center;
}
.education-track {
  display: flex;
  gap: 14px;
  overflow-x: auto;
  padding: 2px 2px 14px;
  scroll-snap-type: x mandatory;
  scrollbar-width: thin;
  scrollbar-color: var(--primary) transparent;
}
.education-track:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--accent) 28%, transparent);
  outline-offset: 4px;
}
.education-slide {
  flex: 0 0 min(560px, 100%);
  margin: 0;
  scroll-snap-align: start;
}
.education-slide img {
  width: 100%;
  height: clamp(420px, 58vw, 680px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel-alt);
  object-fit: contain;
  box-shadow: 0 12px 30px var(--shadow-color);
}
.education-slide figcaption {
  margin-top: 10px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
  line-height: 1.35;
}
.carousel-dots {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 4px;
}
.carousel-dot {
  width: 10px;
  height: 10px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: color-mix(in srgb, var(--primary) 22%, transparent);
  cursor: pointer;
}
.carousel-dot.is-active {
  width: 28px;
  border-radius: 999px;
  background: var(--accent);
}
.carousel-dot:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--accent) 30%, transparent);
  outline-offset: 3px;
}
.lesson-materials { padding-top: 30px; }
.materials-layout .section-heading {
  max-width: 760px;
  margin-bottom: 32px;
}
.materials-layout .section-heading .button {
  margin-top: 18px;
}
.materials-carousel {
  width: min(100%, 920px);
  margin-inline: auto;
}
.materials-controls {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
  margin-bottom: 16px;
}
.materials-track {
  display: flex;
  gap: 16px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
}
.materials-track::-webkit-scrollbar { display: none; }
.materials-track:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--accent) 28%, transparent);
  outline-offset: 4px;
}
.material-slide {
  display: grid;
  flex: 0 0 100%;
  width: 100%;
  height: clamp(360px, 62vw, 640px);
  min-width: 0;
  place-items: center;
  padding: 16px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: 0 18px 45px var(--shadow-color);
  scroll-snap-align: start;
  scroll-snap-stop: always;
}
.material-slide img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}
.material-slide:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: -6px;
}
.materials-carousel .carousel-dots {
  justify-content: center;
  margin-top: 16px;
}
.materials-carousel .carousel-button:disabled {
  opacity: 0.42;
  cursor: not-allowed;
  transform: none;
}

@media (max-width: 980px) {
  .nav-toggle { display: inline-grid; width: 44px; height: 44px; place-items: center; border: 0; border-radius: var(--radius); background: var(--primary-deep); cursor: pointer; }
  .nav-toggle span { width: 18px; height: 2px; margin: -5px 0; background: white; }
  .nav { position: absolute; top: calc(100% + 8px); right: 0; left: 0; display: none; padding: 10px; border-radius: calc(var(--radius) + 6px); background: color-mix(in srgb, var(--panel) 97%, transparent); box-shadow: 0 18px 45px var(--shadow-color); }
  .nav.is-open { display: grid; }
  .nav a { padding: 14px 16px; }
  .hero-grid, .results-layout, .about-grid, .education-layout, .materials-layout, .contacts-grid { grid-template-columns: 1fr; }
  .individual-offer { grid-template-columns: 1fr; }
  .individual-price { width: min(100%, 420px); }
  .hero { min-height: auto; }
  .hero-copy { order: 2; }
  .hero-visual { order: 1; max-width: 540px; margin: 0 auto; }
  .strip-grid, .mini-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .self-test-grid { grid-template-columns: 1fr; }
  .reviews-carousel { --review-slide-width: 320px; }
  .cases-grid { display: flex; overflow-x: auto; padding-bottom: 14px; scroll-snap-type: x mandatory; }
  .cases-grid figure { flex: 0 0 min(360px, 82vw); scroll-snap-align: start; }
}
@media (max-width: 640px) {
  body::before { background-size: auto, 40px 40px, 40px 40px; }
  .container { width: min(100% - 28px, 1160px); }
  .site-header {
    width: min(100% - 20px, 1160px);
    margin-top: 8px;
    padding: 8px;
    gap: 10px;
  }
  .brand { min-width: 0; gap: 10px; }
  .brand-mark { width: 40px; height: 40px; flex: 0 0 auto; font-size: 20px; }
  .brand strong {
    max-width: 190px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-size: 14px;
  }
  .brand small { display: none; }
  .nav-toggle { width: 40px; height: 40px; flex: 0 0 auto; }
  .nav { top: calc(100% + 6px); }
  .section { padding: 52px 0; }
  .section-band::after { inset: 18px 0; }
  .hero {
    min-height: auto;
    padding: 30px 0 48px;
    align-items: start;
  }
  .hero-grid { gap: 24px; }
  .hero-copy { order: 1; }
  .hero-visual {
    order: 2;
    width: min(100%, 390px);
    max-width: none;
  }
  .hero-visual::before { display: none; }
  .hero-visual img {
    aspect-ratio: 1.08;
    max-height: 360px;
    border-width: 5px;
    object-position: center top;
  }
  .hero-dashboard .hero-visual { padding: 8px; }
  .eyebrow { margin-bottom: 10px; font-size: 11px; }
  h1 {
    max-width: 100%;
    font-size: clamp(30px, 8.8vw, 36px);
    line-height: 1.12;
  }
  h2 { font-size: clamp(28px, 8.5vw, 34px); line-height: 1.1; }
  h3 { font-size: 20px; }
  .lead,
  .section-heading p,
  .about-copy p,
  .contacts p {
    font-size: 16px;
    line-height: 1.58;
  }
  .lead { margin-top: 16px; }
  .hero-actions {
    display: grid;
    grid-template-columns: 1fr;
    gap: 10px;
    margin-top: 22px;
  }
  .hero-actions .button { width: 100%; }
  .self-test-grid { grid-template-columns: 1fr; gap: 12px; }
  .self-test-section { padding-block: 36px; }
  .self-test-card { padding: 18px 16px; }
  .self-test-card strong { font-size: 20px; }
  .button { min-height: 50px; padding: 0 16px; }
  .metrics {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
    margin-top: 18px;
  }
  .metrics div { padding: 12px 8px; text-align: center; }
  .metrics strong { font-size: clamp(22px, 7vw, 28px); }
  .metrics span { font-size: 11px; line-height: 1.25; }
  .proof-panel {
    position: static;
    width: 100%;
    margin-top: 10px;
    padding: 14px;
  }
  .proof-panel strong { font-size: 18px; }
  .strip-grid,
  .mini-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .programs-grid { gap: 12px; }
  .programs-controls { justify-content: space-between; margin-bottom: 12px; }
  .strip-grid > div,
  .program-card,
  .mini-grid article { padding: 20px; }
  .lesson-materials { padding-top: 18px; }
  .materials-layout .section-heading { margin-bottom: 24px; }
  .materials-controls { justify-content: space-between; margin-bottom: 12px; }
  .material-slide { height: 360px; padding: 8px; }
  .program-card { min-height: auto; }
  .program-top { margin-bottom: 20px; }
  .program-top strong { font-size: 34px; }
  .results-layout,
  .about-grid,
  .education-layout,
  .individual-section { padding-block: 36px; }
  .individual-offer { gap: 24px; padding-block: 24px; }
  .individual-copy > p:last-child { margin-top: 14px; font-size: 16px; line-height: 1.58; }
  .individual-price { width: 100%; padding: 20px; }
  .individual-price strong { font-size: 38px; }
  .contacts-grid { gap: 28px; }
  .scoreboard { padding: 12px; }
  .score-row { grid-template-columns: 1fr; padding: 16px; }
  .score-row strong { font-size: clamp(24px, 8vw, 32px); }
  .about-photo { max-width: 390px; margin: 0 auto; }
  .about-photo img { aspect-ratio: 1.04; border-width: 5px; object-position: center top; }
  .about-badges { margin-top: 20px; gap: 8px; }
  .about-badges span { padding: 9px 10px; font-size: 12px; }
  .section-heading { margin-bottom: 24px; text-align: left; }
  .reviews-carousel { --review-slide-width: min(300px, 82vw); }
  .reviews-track {
    margin-inline: -14px;
    padding-inline: max(14px, calc((100vw - var(--review-slide-width)) / 2));
    scroll-padding-inline: max(14px, calc((100vw - var(--review-slide-width)) / 2));
  }
  .reviews-controls { justify-content: center; margin-bottom: 12px; }
  .cases-grid { margin-inline: -14px; padding-inline: 14px; }
  .cases-grid figure { flex-basis: min(300px, 78vw); }
  .education-carousel { padding: 12px; }
  .education-controls { justify-content: space-between; margin-bottom: 10px; }
  .education-slide { flex-basis: min(300px, 82vw); }
  .education-slide img { height: min(470px, 112vw); }
  .education-slide figcaption { font-size: 13px; }
  .contact-card { padding: 14px; }
  .contact-link { min-height: 52px; padding: 0 14px; }
  .footer .container { display: grid; }
  .footer-links { display: grid; }
  .footer-link { justify-content: flex-start; }
  .legal-main { padding-top: 96px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}