/* ============================================================
   School Uchidron — landing styles (scoped to .su-landing)
   ============================================================ */

.su-landing {
  --su-navy: #0B1F33;
  --su-deep: #123C69;
  --su-primary: #0B4DA2;      /* глубокий насыщенный синий — фирменный CTA */
  --su-primary-2: #083C82;
  --su-primary-hi: #1A6BD6;   /* яркий hover-акцент */
  --su-accent: #16D3B0;
  --su-ink: #1A2333;
  --su-ink-2: #2F3B4D;
  --su-muted: #5B6B7C;
  --su-line: #E4EBF2;
  --su-soft: #F1F7FC;
  --su-white: #FFFFFF;
  --su-radius: 14px;
  --su-radius-lg: 22px;
  --su-shadow: 0 12px 40px -18px rgba(11,31,51,.25);
  --su-shadow-lg: 0 30px 80px -30px rgba(11,31,51,.35);
  --su-font: "Inter", "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;

  font-family: var(--su-font);
  color: var(--su-ink);
  background: var(--su-white);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
.su-landing *,
.su-landing *::before,
.su-landing *::after { box-sizing: border-box; }

.su-landing img { max-width: 100%; height: auto; display: block; }
.su-landing a { color: var(--su-primary-2); text-decoration: none; }
.su-landing a:hover { color: var(--su-navy); }

.su-container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* -------- Buttons -------- */
.su-btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 8px;
  padding: 14px 22px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 15px;
  line-height: 1.2;
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease, color .15s ease, border-color .15s ease;
  white-space: nowrap;
  text-align: center;
}
.su-btn--sm { padding: 10px 16px; font-size: 14px; }
.su-btn--wide { width: 100%; padding: 16px 22px; }
.su-btn--primary {
  background: var(--su-primary);
  color: #fff;
  font-weight: 700;
  letter-spacing: .01em;
  padding: 16px 26px;
  box-shadow: 0 10px 28px -10px rgba(11,77,162,.55), inset 0 1px 0 rgba(255,255,255,.15);
}
.su-btn--primary:hover { background: var(--su-primary-hi); transform: translateY(-2px); color:#fff; box-shadow: 0 18px 36px -12px rgba(11,77,162,.7); }
.su-btn--ghost { background: #fff; color: var(--su-navy); border-color: #D8E1EC; font-weight: 600; }
.su-btn--ghost:hover { border-color: var(--su-primary); color: var(--su-primary); background: var(--su-soft); }
.su-btn--white { background: #fff; color: var(--su-primary); font-weight: 700; border: 1.5px solid #fff; }
.su-btn--white:hover { background: var(--su-soft); color: var(--su-primary-2); }
.su-btn--link { background: transparent; color: var(--su-primary); padding: 12px 4px; border: 0; font-weight: 600; }
.su-btn--link:hover { color: var(--su-primary-hi); }

/* -------- Eyebrow / Headings -------- */
.su-eyebrow {
  display: inline-block;
  font-size: 12px; font-weight: 700; letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--su-primary-2);
  padding: 6px 12px;
  border-radius: 999px;
  background: var(--su-soft);
  margin-bottom: 18px;
}
.su-eyebrow--light { color: #7de4ff; background: rgba(255,255,255,.08); }

.su-landing h1, .su-landing h2, .su-landing h3 {
  color: var(--su-ink);
  font-weight: 700;
  letter-spacing: -0.015em;
  line-height: 1.15;
  margin: 0;
}
.su-landing h1 { font-size: clamp(32px, 4.4vw, 56px); line-height: 1.05; font-weight: 800; letter-spacing: -0.025em; }
.su-landing h2 { font-size: clamp(26px, 2.8vw, 40px); }
.su-landing h3 { font-size: 19px; line-height: 1.3; font-weight: 700; }
.su-landing p { margin: 0 0 12px; }

/* -------- Header -------- */
.su-header {
  position: sticky; top: 0; z-index: 40;
  background: rgba(255,255,255,.92);
  backdrop-filter: saturate(160%) blur(10px);
  border-bottom: 1px solid var(--su-line);
}
.su-header__inner {
  display: grid; grid-template-columns: auto 1fr auto;
  align-items: center; gap: 24px;
  padding-top: 12px; padding-bottom: 12px;
}
.su-logo { display: inline-flex; align-items: center; gap: 12px; color: var(--su-navy); }
.su-logo img { width: 64px; height: 64px; border-radius: 10px; background: #fff; padding: 2px; box-shadow: 0 4px 12px -6px rgba(11,31,51,.25); transition: transform .2s ease; }
.su-logo:hover img { transform: rotate(-4deg) scale(1.05); }
.su-logo__text { display: flex; flex-direction: column; line-height: 1.1; }
.su-logo__text b { font-size: 18px; font-weight: 800; color: var(--su-navy); }
.su-logo__text em { font-style: normal; font-size: 12px; color: var(--su-muted); }
.su-logo--light b { color: #fff; }
.su-logo--light em { color: rgba(255,255,255,.7); }

.su-nav { display: flex; gap: 22px; justify-content: center; flex-wrap: wrap; }
.su-nav a { color: var(--su-navy); font-size: 14px; font-weight: 500; }
.su-nav a:hover { color: var(--su-primary-2); }

/* -------- HERO -------- */
.su-hero {
  position: relative;
  padding: 72px 0 84px;
  background:
    radial-gradient(1200px 500px at 85% -10%, rgba(0,174,239,.18), transparent 60%),
    radial-gradient(900px 500px at -10% 100%, rgba(22,211,176,.15), transparent 60%),
    linear-gradient(180deg, #F7FBFF 0%, #FFFFFF 100%);
  overflow: hidden;
}
.su-hero::before {
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(11,31,51,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(11,31,51,.05) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(ellipse at 50% 30%, #000 30%, transparent 75%);
  pointer-events: none;
}
.su-hero__grid {
  position: relative; z-index: 1;
  display: grid; grid-template-columns: 1.15fr 1fr; gap: 56px; align-items: center;
}
.su-hero__text .su-lead { font-size: 18px; color: var(--su-muted); max-width: 620px; margin: 18px 0 28px; }
.su-hero__cta { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; margin-bottom: 26px; }
.su-hero__points { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.su-hero__points li { display: flex; gap: 10px; align-items: flex-start; font-size: 15px; color: var(--su-ink); }
.su-hero__points li span {
  flex: 0 0 22px; height: 22px; border-radius: 50%;
  background: rgba(0,174,239,.14); color: var(--su-primary-2);
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 13px; font-weight: 700;
}

.su-hero__visual { position: relative; }
.su-hero__photo {
  border-radius: var(--su-radius-lg);
  overflow: hidden;
  background: #fff;
  box-shadow: var(--su-shadow-lg);
  border: 1px solid var(--su-line);
  aspect-ratio: 4/3;
}
.su-hero__photo img { width: 100%; height: 100%; object-fit: cover; }
.su-hero__mini {
  position: absolute; right: -16px; bottom: 40px;
  width: 44%;
  background: #fff;
  border-radius: 14px;
  box-shadow: var(--su-shadow-lg);
  border: 1px solid var(--su-line);
  overflow: hidden;
  transform: rotate(2deg);
}
.su-hero__mini img { display: block; width: 100%; height: 130px; object-fit: contain; background: #F5FAFF; padding: 8px; }
.su-hero__mini span { display: block; padding: 8px 12px; font-size: 12px; font-weight: 700; color: var(--su-navy); border-top: 1px solid var(--su-line); }
.su-hero__badge {
  position: absolute; left: -14px; top: 24px;
  background: var(--su-navy); color: #fff;
  padding: 14px 18px; border-radius: 12px;
  box-shadow: var(--su-shadow-lg);
  display: flex; flex-direction: column;
  max-width: 260px;
}
.su-hero__badge b { font-size: 14px; }
.su-hero__badge em { font-style: normal; font-size: 12px; color: rgba(255,255,255,.7); margin-top: 2px; line-height: 1.35; }

/* -------- Sections -------- */
.su-section { padding: 88px 0; position: relative; }
.su-section--soft { background: var(--su-soft); }
.su-section--dark {
  background: linear-gradient(180deg, var(--su-navy) 0%, var(--su-deep) 100%);
  color: #EAF3FA;
}
.su-section--dark h2, .su-section--dark h3 { color: #fff; }
.su-section--dark p { color: rgba(234,243,250,.85); }

.su-section__head { max-width: 820px; margin: 0 auto 48px; text-align: center; }
.su-section__head--left { text-align: left; margin-left: 0; }
.su-section__sub { color: var(--su-muted); font-size: 17px; margin-top: 12px; }
.su-section__sub--light { color: rgba(234,243,250,.75); }

/* -------- Card grids -------- */
.su-cards { display: grid; gap: 20px; }
.su-cards--5 { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.su-card {
  background: #fff;
  border: 1px solid var(--su-line);
  border-radius: var(--su-radius);
  padding: 26px 22px;
  box-shadow: var(--su-shadow);
  transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease;
}
.su-card:hover { transform: translateY(-3px); border-color: rgba(0,174,239,.4); }
.su-card__num {
  display: inline-block; font-size: 12px; font-weight: 700; letter-spacing: .1em;
  color: var(--su-primary-2); background: var(--su-soft);
  padding: 4px 10px; border-radius: 999px; margin-bottom: 12px;
}
.su-card h3 { margin-bottom: 8px; }
.su-card p { color: var(--su-muted); font-size: 14.5px; margin: 0; }

/* -------- Models (Two big cards) -------- */
.su-models { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.su-models--3 { grid-template-columns: repeat(3, 1fr); }
@media (max-width: 980px) { .su-models--3 { grid-template-columns: 1fr; } }
.su-model__price {
  display: flex; flex-direction: column; gap: 2px;
  padding: 14px 16px; border-radius: 12px;
  background: var(--su-soft); border: 1px solid var(--su-line);
}
.su-model__price b { font-size: 26px; font-weight: 800; color: var(--su-navy); letter-spacing: -0.01em; }
.su-model__price span { font-size: 13px; color: var(--su-muted); }
.su-model__price--accent { background: rgba(125,228,255,.12); border-color: rgba(125,228,255,.3); }
.su-model__price--accent b { color: #fff; }
.su-model__price--accent span { color: rgba(234,243,250,.75); }
.su-model {
  background: #fff;
  border-radius: var(--su-radius-lg);
  padding: 34px 30px;
  color: var(--su-ink);
  box-shadow: var(--su-shadow-lg);
  display: flex; flex-direction: column; gap: 18px;
  border: 1px solid var(--su-line);
}
.su-model h3 { font-size: 24px; line-height: 1.2; }
.su-model__tag {
  align-self: flex-start;
  font-size: 12px; letter-spacing: .12em; text-transform: uppercase; font-weight: 700;
  color: var(--su-primary-2); background: var(--su-soft);
  padding: 6px 12px; border-radius: 999px;
}
.su-model__tag--accent { color: #052a3a; background: linear-gradient(135deg, #7DE4FF, #16D3B0); }
.su-model__lead { color: var(--su-muted); font-size: 15px; margin: 0; }
.su-model__list { list-style: none; padding: 0; margin: 0 0 6px; display: grid; gap: 10px; }
.su-model__list li {
  position: relative; padding-left: 26px; font-size: 15px; color: var(--su-ink);
}
.su-model__list li::before {
  content: ""; position: absolute; left: 0; top: 6px;
  width: 16px; height: 16px; border-radius: 50%;
  background: rgba(0,174,239,.15);
  box-shadow: inset 0 0 0 2px var(--su-primary);
}
.su-model--accent {
  background: linear-gradient(140deg, #0d3554 0%, #0B1F33 60%, #0d3554 100%);
  color: #EAF3FA;
  border-color: transparent;
  position: relative; overflow: hidden;
}
.su-model--accent::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(600px 240px at 100% 0%, rgba(0,174,239,.35), transparent 60%);
  pointer-events: none;
}
.su-model--accent h3 { color: #fff; }
.su-model--accent .su-model__lead { color: rgba(234,243,250,.85); }
.su-model--accent .su-model__list li { color: #EAF3FA; }
.su-model--accent .su-model__list li::before {
  background: rgba(125,228,255,.2);
  box-shadow: inset 0 0 0 2px #7DE4FF;
}
.su-note {
  max-width: 820px; margin: 28px auto 0;
  text-align: center; font-size: 14px; color: rgba(234,243,250,.7);
}
.su-note--inline { text-align: left; margin: 16px 0 0; color: var(--su-muted); }

/* -------- Tiles (для кого) -------- */
.su-tiles {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 14px;
}
.su-tile {
  background: #fff;
  border: 1px solid var(--su-line);
  border-left: 4px solid var(--su-primary);
  border-radius: 10px;
  padding: 20px 22px;
  font-weight: 500;
  color: var(--su-navy);
  box-shadow: 0 4px 16px -12px rgba(11,31,51,.2);
}

/* -------- Split (2 cols text + photo) -------- */
.su-split { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.su-split--rev .su-split__photo { order: -1; }
.su-split__photo img {
  width: 100%; height: 100%;
  object-fit: cover;
  border-radius: var(--su-radius-lg);
  box-shadow: var(--su-shadow-lg);
  aspect-ratio: 4/3;
}
.su-split__text p { color: var(--su-muted); font-size: 16px; margin-bottom: 20px; }
.su-thesis { list-style: none; padding: 0; margin: 0; display: grid; gap: 14px; counter-reset: t; }
.su-thesis li {
  counter-increment: t;
  padding: 16px 18px 16px 56px; position: relative;
  background: #fff; border: 1px solid var(--su-line); border-radius: 12px;
  color: var(--su-ink); font-size: 15px;
}
.su-thesis li::before {
  content: counter(t);
  position: absolute; left: 14px; top: 14px;
  width: 30px; height: 30px; border-radius: 50%;
  background: var(--su-primary); color: #fff;
  display: inline-flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 14px;
}

/* -------- Steps timeline -------- */
.su-steps {
  list-style: none; padding: 0; margin: 0;
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px;
  counter-reset: step;
}
.su-steps li {
  background: #fff;
  border: 1px solid var(--su-line);
  border-radius: var(--su-radius);
  padding: 24px 22px 22px;
  position: relative;
  box-shadow: var(--su-shadow);
}
.su-steps li span {
  position: absolute; top: -18px; left: 22px;
  width: 42px; height: 42px; border-radius: 12px;
  background: linear-gradient(135deg, var(--su-primary), var(--su-primary-2));
  color: #fff; display: inline-flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 18px;
  box-shadow: 0 10px 20px -8px rgba(0,136,198,.55);
}
.su-steps li h3 { margin: 14px 0 6px; }
.su-steps li p { color: var(--su-muted); font-size: 14.5px; margin: 0; }

/* -------- Kit list -------- */
.su-kit-list {
  list-style: none; padding: 0; margin: 0 0 12px;
  display: grid; grid-template-columns: 1fr 1fr; gap: 10px 20px;
}
.su-kit-list li {
  position: relative; padding-left: 22px;
  font-size: 15px; color: var(--su-ink);
}
.su-kit-list li::before {
  content: "▸"; position: absolute; left: 0; top: 0;
  color: var(--su-primary); font-weight: 700;
}

/* -------- Check list (teacher) -------- */
.su-check { list-style: none; padding: 0; margin: 8px 0 0; display: grid; gap: 10px; }
.su-check li {
  position: relative; padding-left: 30px;
  font-size: 15px; color: var(--su-ink);
}
.su-check li::before {
  content: "✓"; position: absolute; left: 0; top: 0;
  width: 22px; height: 22px; border-radius: 50%;
  background: rgba(22,211,176,.16); color: #0a9c7f;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 13px; font-weight: 700;
}

/* -------- Two (paid section) -------- */
.su-two { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.su-two__col {
  padding: 30px 28px; border-radius: var(--su-radius-lg);
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.1);
}
.su-two__col h3 { color: #fff; margin-bottom: 10px; }
.su-two__col--accent {
  background: linear-gradient(140deg, rgba(0,174,239,.18), rgba(22,211,176,.14));
  border-color: rgba(125,228,255,.35);
}

/* -------- Docs -------- */
.su-docs { display: grid; grid-template-columns: 1fr 1.1fr; gap: 40px; align-items: start; }
.su-docs__list { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; }
.su-docs__list li {
  background: #fff; border: 1px solid var(--su-line); border-radius: 12px;
  padding: 16px 18px; display: flex; flex-direction: column;
}
.su-docs__list li b { color: var(--su-navy); font-size: 15px; margin-bottom: 4px; }
.su-docs__list li span { color: var(--su-muted); font-size: 14px; }
.su-docs__photos { display: grid; gap: 20px; }
.su-docs__photos figure { margin: 0; background: #fff; border: 1px solid var(--su-line); border-radius: var(--su-radius); overflow: hidden; box-shadow: var(--su-shadow); }
.su-docs__photos img { display: block; width: 100%; height: auto; }
.su-docs__photos figcaption { padding: 12px 16px; font-size: 13px; color: var(--su-navy); font-weight: 600; border-top: 1px solid var(--su-line); background: #FAFCFF; }
.su-docs__cta { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; margin-top: 36px; }

/* -------- Gallery -------- */
.su-gallery {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px;
}
.su-gallery__item { margin: 0; position: relative; border-radius: var(--su-radius); overflow: hidden; box-shadow: var(--su-shadow); }
.su-gallery__item--wide { grid-column: span 2; grid-row: span 1; }
.su-gallery__item img { width: 100%; height: 100%; object-fit: cover; aspect-ratio: 4/3; transition: transform .4s ease; }
.su-gallery__item:hover img { transform: scale(1.03); }
.su-gallery__item figcaption {
  position: absolute; left: 12px; bottom: 12px;
  background: rgba(11,31,51,.85); color: #fff;
  padding: 6px 12px; border-radius: 8px;
  font-size: 13px; backdrop-filter: blur(6px);
}

/* -------- FAQ -------- */
.su-faq-wrap { display: grid; grid-template-columns: 1fr 1.6fr; gap: 48px; align-items: start; }
.su-faq { display: grid; gap: 10px; }
.su-faq details {
  background: #fff; border: 1px solid var(--su-line);
  border-radius: 12px; padding: 4px 20px;
  transition: border-color .15s ease, box-shadow .15s ease;
}
.su-faq details[open] { border-color: rgba(0,174,239,.4); box-shadow: var(--su-shadow); }
.su-faq summary {
  cursor: pointer; padding: 16px 0;
  font-weight: 600; color: var(--su-navy);
  list-style: none; position: relative; padding-right: 30px;
  font-size: 16px;
}
.su-faq summary::-webkit-details-marker { display: none; }
.su-faq summary::after {
  content: "+"; position: absolute; right: 4px; top: 50%; transform: translateY(-50%);
  font-size: 22px; color: var(--su-primary-2); font-weight: 400;
}
.su-faq details[open] summary::after { content: "−"; }
.su-faq p { padding: 0 0 16px; color: var(--su-muted); margin: 0; font-size: 15px; }

/* -------- Contact / form -------- */
.su-contact { display: grid; grid-template-columns: 1fr 1.15fr; gap: 48px; align-items: start; }
.su-contact__perks { list-style: none; padding: 0; margin: 18px 0 0; display: grid; gap: 10px; }
.su-contact__perks li {
  position: relative; padding-left: 28px; color: rgba(234,243,250,.85); font-size: 15px;
}
.su-contact__perks li::before {
  content: "→"; position: absolute; left: 0; top: 0; color: #7DE4FF; font-weight: 700;
}
.su-contact__direct {
  margin-top: 24px; padding: 16px 20px;
  background: rgba(255,255,255,.06); border: 1px solid rgba(125,228,255,.25);
  border-radius: 12px; display: flex; flex-direction: column;
}
.su-contact__direct a { color: #7DE4FF; font-size: 20px; font-weight: 700; letter-spacing: .01em; }
.su-contact__direct a:hover { color: #fff; }
.su-contact__direct span { font-size: 12px; color: rgba(234,243,250,.6); margin-top: 4px; text-transform: uppercase; letter-spacing: .1em; }

.su-form {
  background: #fff;
  border-radius: var(--su-radius-lg);
  padding: 28px;
  box-shadow: var(--su-shadow-lg);
  color: var(--su-ink);
  display: grid; gap: 14px;
}
.su-form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.su-form label {
  display: flex; flex-direction: column; gap: 6px;
  font-size: 13px; font-weight: 600; color: var(--su-navy);
}
.su-form input[type="text"],
.su-form input[type="tel"],
.su-form input[type="email"],
.su-form textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1.5px solid var(--su-line); border-radius: 10px;
  font: inherit; font-weight: 400; color: var(--su-ink);
  background: #F8FBFE;
  transition: border-color .15s ease, background .15s ease;
}
.su-form input:focus, .su-form textarea:focus {
  outline: none; border-color: var(--su-primary); background: #fff;
}
.su-form textarea { resize: vertical; min-height: 80px; }
.su-form__full { width: 100%; }
.su-form__fs {
  border: 1.5px dashed var(--su-line);
  border-radius: 10px; padding: 14px 16px;
  display: grid; grid-template-columns: 1fr 1fr; gap: 8px 16px;
  font-size: 13px;
}
.su-form__fs legend {
  padding: 0 6px; font-size: 12px; font-weight: 700; color: var(--su-navy);
  letter-spacing: .06em; text-transform: uppercase;
}
.su-form__fs label {
  flex-direction: row; align-items: center; gap: 8px;
  font-weight: 500; font-size: 14px; color: var(--su-ink);
}
.su-form__fs input { accent-color: var(--su-primary); }
.su-form__note { font-size: 12px; color: var(--su-muted); margin: 0; text-align: center; }

/* -------- Footer -------- */
.su-footer { background: #061423; color: #B7C8D8; padding: 56px 0 0; }
.su-footer__grid {
  display: grid; grid-template-columns: 1.4fr 1fr 1.3fr 1fr; gap: 32px;
  padding-bottom: 40px;
}
.su-footer__col { display: flex; flex-direction: column; gap: 8px; }
.su-footer__col b { color: #fff; font-size: 14px; letter-spacing: .04em; margin-bottom: 6px; }
.su-footer__col a { color: #B7C8D8; font-size: 14px; }
.su-footer__col a:hover { color: #fff; }
.su-footer__col span { color: #7f95a8; font-size: 13px; }
.su-footer__about { color: #7f95a8; font-size: 13px; margin: 8px 0 0; max-width: 260px; }
.su-footer__bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 18px 0; color: #6a7f92; font-size: 13px;
}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 1024px) {
  .su-hero { padding: 56px 0 64px; }
  .su-hero__grid { grid-template-columns: 1fr; gap: 40px; }
  .su-hero__badge { position: static; margin-top: 16px; align-self: flex-start; display: inline-flex; max-width: 100%; }
  .su-hero__mini { display: none; }
  .su-section { padding: 72px 0; }
  .su-models,
  .su-two,
  .su-split,
  .su-docs,
  .su-faq-wrap,
  .su-contact { grid-template-columns: 1fr; gap: 32px; }
  .su-split--rev .su-split__photo { order: 0; }
  .su-steps { grid-template-columns: 1fr 1fr; }
  .su-footer__grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .su-container { padding: 0 18px; }
  .su-header__inner { grid-template-columns: auto auto; gap: 12px; }
  .su-nav { display: none; }
  .su-logo__text em { display: none; }
  .su-section { padding: 56px 0; }
  .su-section__head { margin-bottom: 32px; }
  .su-hero__cta .su-btn { flex: 1 1 auto; }
  .su-steps { grid-template-columns: 1fr; }
  .su-gallery { grid-template-columns: 1fr 1fr; }
  .su-gallery__item--wide { grid-column: span 2; }
  .su-kit-list { grid-template-columns: 1fr; }
  .su-form__row { grid-template-columns: 1fr; }
  .su-form__fs { grid-template-columns: 1fr; }
  .su-footer__grid { grid-template-columns: 1fr; }
}

@media (max-width: 430px) {
  .su-landing h1 { font-size: 28px; }
  .su-landing h2 { font-size: 22px; }
  .su-model { padding: 26px 22px; }
  .su-form { padding: 22px 18px; }
  .su-gallery { grid-template-columns: 1fr; }
  .su-gallery__item--wide { grid-column: span 1; }
  .su-hero__badge { left: 0; }
  .su-btn { width: 100%; }
  .su-btn--link { width: auto; }
}

/* ============================================================
   PATCH: readability + new components (design v2)
   ============================================================ */

/* Fix: белая карточка Model 1 внутри тёмной секции — сбрасываем каскад */
.su-landing .su-section--dark .su-model { color: var(--su-ink); background: #fff; }
.su-landing .su-section--dark .su-model h2,
.su-landing .su-section--dark .su-model h3 { color: var(--su-ink); }
.su-landing .su-section--dark .su-model p,
.su-landing .su-section--dark .su-model .su-model__lead { color: var(--su-muted); }
.su-landing .su-section--dark .su-model .su-model__list li { color: var(--su-ink-2); font-weight: 500; }
.su-landing .su-section--dark .su-model--accent { color: #EAF3FA; }
.su-landing .su-section--dark .su-model--accent h3 { color: #fff; }
.su-landing .su-section--dark .su-model--accent p,
.su-landing .su-section--dark .su-model--accent .su-model__lead { color: rgba(234,243,250,.9); }
.su-landing .su-section--dark .su-model--accent .su-model__list li { color: #EAF3FA; }

/* Улучшение карточек моделей */
.su-model { padding: 36px 32px; }
.su-model__tag {
  color: #fff; background: var(--su-primary);
  padding: 8px 14px; font-weight: 800;
}
.su-model__tag--accent { color: var(--su-primary-2); background: linear-gradient(135deg, #7DE4FF, #16D3B0); }
.su-model h3 { font-size: 26px; font-weight: 800; letter-spacing: -0.02em; }
.su-model__list li::before { background: rgba(11,77,162,.12); box-shadow: inset 0 0 0 2px var(--su-primary); }
.su-model--accent .su-model__list li::before { background: rgba(125,228,255,.2); box-shadow: inset 0 0 0 2px #7DE4FF; }

/* Header при скролле */
.su-header.is-scrolled { box-shadow: 0 8px 28px -20px rgba(11,31,51,.35); background: rgba(255,255,255,.96); }

/* Hero — плавный zoom-in фото (Ken Burns) */
@media (prefers-reduced-motion: no-preference) {
  .su-hero__photo img { animation: suKenBurns 18s ease-in-out infinite alternate; }
}
@keyframes suKenBurns {
  from { transform: scale(1); }
  to   { transform: scale(1.06); }
}

/* Reveal on scroll */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s cubic-bezier(.2,.7,.2,1); }
.reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .su-hero__photo img { animation: none; }
}

/* -------- Trust bar (сразу под hero) -------- */
.su-trust { background: #fff; border-bottom: 1px solid var(--su-line); padding: 18px 0; }
.su-trust__inner { display: flex; align-items: center; gap: 28px; flex-wrap: wrap; justify-content: center; }
.su-trust__label { font-size: 12px; text-transform: uppercase; letter-spacing: .14em; color: var(--su-muted); font-weight: 700; }
.su-trust ul { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 8px 22px; }
.su-trust li { font-size: 13px; color: var(--su-ink-2); font-weight: 600; position: relative; padding-left: 18px; }
.su-trust li::before { content: ""; position: absolute; left: 0; top: 50%; width: 8px; height: 8px; margin-top: -4px; border-radius: 50%; background: var(--su-primary); }

/* -------- Stats -------- */
.su-stats { padding: 56px 0; background: linear-gradient(180deg,#fff 0%, var(--su-soft) 100%); }
.su-stats__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.su-stat { text-align: center; padding: 24px 16px; background: #fff; border: 1px solid var(--su-line); border-radius: var(--su-radius); box-shadow: var(--su-shadow); transition: transform .2s ease, box-shadow .2s ease; }
.su-stat:hover { transform: translateY(-4px); box-shadow: var(--su-shadow-lg); }
.su-stat b { display: block; font-size: clamp(36px, 5vw, 56px); font-weight: 800; letter-spacing: -0.03em; color: var(--su-primary); line-height: 1; margin-bottom: 8px; font-variant-numeric: tabular-nums; }
.su-stat span { color: var(--su-muted); font-size: 14px; }

/* -------- Classroom band (как проходит урок) -------- */
.su-band { padding: 88px 0; background: #fff; }
.su-band__track { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.su-band__item { margin: 0; background: #fff; border-radius: var(--su-radius); overflow: hidden; border: 1px solid var(--su-line); box-shadow: var(--su-shadow); transition: transform .25s ease, box-shadow .25s ease; }
.su-band__item:hover { transform: translateY(-6px); box-shadow: var(--su-shadow-lg); }
.su-band__item img { width: 100%; height: 200px; object-fit: cover; display: block; }
.su-band__item figcaption { padding: 16px 18px; }
.su-band__item figcaption b { display: block; font-size: 13px; font-weight: 800; color: var(--su-primary); letter-spacing: .04em; text-transform: uppercase; margin-bottom: 4px; }
.su-band__item figcaption span { color: var(--su-ink-2); font-size: 14px; line-height: 1.45; }

/* -------- Testimonial -------- */
.su-testimonial { padding: 72px 0; background: linear-gradient(180deg, var(--su-soft) 0%, #fff 100%); }
.su-testimonial__box { max-width: 880px; margin: 0 auto; padding: 40px 44px; background: #fff; border-radius: var(--su-radius-lg); border: 1px solid var(--su-line); box-shadow: var(--su-shadow-lg); position: relative; }
.su-testimonial__quote { position: absolute; top: 24px; left: 28px; width: 48px; height: 48px; color: var(--su-primary); opacity: .18; }
.su-testimonial blockquote { margin: 0; font-size: clamp(20px, 2.2vw, 26px); line-height: 1.4; font-weight: 500; color: var(--su-ink); letter-spacing: -0.01em; }
.su-testimonial figcaption { margin-top: 22px; display: flex; flex-direction: column; }
.su-testimonial figcaption b { font-size: 15px; color: var(--su-navy); font-weight: 700; }
.su-testimonial figcaption span { font-size: 13px; color: var(--su-muted); }

/* -------- FOOTER (стиль учидрон.рф) -------- */
.su-footer { background: #0A1A2E; color: #B7C8D8; padding: 56px 0 0; }
.su-footer__grid { display: grid; grid-template-columns: 1fr 1.1fr 1.2fr 1.1fr; gap: 40px; padding-bottom: 40px; }
.su-footer__col { display: flex; flex-direction: column; }
.su-footer__title { color: #fff; font-size: 16px; font-weight: 600; margin-bottom: 18px; letter-spacing: .01em; }
.su-footer__feedback { display: flex; flex-direction: column; gap: 10px; align-items: flex-start; }
.su-footer__btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 10px 16px; border-radius: 10px;
  background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.1);
  color: #EAF3FA; font-size: 14px; font-weight: 500;
  transition: background .15s ease, border-color .15s ease, transform .15s ease;
}
.su-footer__btn:hover { background: rgba(11,77,162,.35); border-color: rgba(125,180,255,.35); color: #fff; transform: translateY(-1px); }
.su-footer__links { display: flex; flex-direction: column; gap: 10px; }
.su-footer__links a { color: #B7C8D8; font-size: 14px; line-height: 1.4; transition: color .15s ease; }
.su-footer__links a:hover { color: #fff; }
.su-footer__contacts { display: flex; flex-direction: column; gap: 12px; font-size: 14px; }
.su-footer__contacts > div { display: flex; align-items: flex-start; gap: 10px; color: #EAF3FA; }
.su-footer__contacts svg { flex-shrink: 0; margin-top: 2px; color: #7DA9E0; }
.su-footer__contacts a { color: #EAF3FA; }
.su-footer__contacts a:hover { color: #fff; }
.su-footer__bottom { border-top: 1px solid rgba(255,255,255,.08); padding: 20px 0; }
.su-footer__bottom-inner { display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; align-items: center; font-size: 13px; }
.su-footer__rec { display: flex; gap: 16px; flex-wrap: wrap; align-items: center; color: #7f95a8; }
.su-footer__rec b { color: #EAF3FA; font-weight: 600; }
.su-footer__copy { color: #6a7f92; }

/* -------- Sticky mobile CTA -------- */
.su-sticky-cta {
  position: fixed; left: 12px; right: 12px; bottom: 12px; z-index: 50;
  display: none; gap: 10px; align-items: center;
  padding: 10px; background: rgba(10,26,46,.96); border-radius: 14px;
  box-shadow: 0 20px 50px -20px rgba(0,0,0,.5); backdrop-filter: blur(10px);
  transform: translateY(120%); transition: transform .3s ease;
}
.su-sticky-cta.is-visible { transform: none; }
.su-sticky-cta .su-btn { flex: 1; padding: 14px 18px; }
.su-sticky-cta__phone {
  width: 46px; height: 46px; border-radius: 12px;
  display: inline-flex; align-items: center; justify-content: center;
  background: #fff; color: var(--su-primary); flex-shrink: 0;
}

@media (max-width: 900px) {
  .su-stats__grid { grid-template-columns: 1fr 1fr; }
  .su-band__track { grid-template-columns: 1fr 1fr; }
  .su-footer__grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media (max-width: 768px) {
  .su-sticky-cta { display: flex; }
  .su-band__track { grid-auto-columns: 78%; grid-template-columns: none; grid-auto-flow: column; overflow-x: auto; scroll-snap-type: x mandatory; padding-bottom: 8px; }
  .su-band__item { scroll-snap-align: start; }
  .su-testimonial__box { padding: 32px 24px; }
  .su-footer__grid { grid-template-columns: 1fr; gap: 28px; }
  .su-footer__bottom-inner { flex-direction: column; align-items: flex-start; gap: 12px; }
  .su-trust__inner { gap: 14px; }
}
@media (max-width: 480px) {
  .su-stats__grid { grid-template-columns: 1fr 1fr; gap: 12px; }
  .su-stat { padding: 18px 10px; }
}

/* ============================================================
   PATCH v3: лёгкая типографика, hero-коллаж, новые секции
   ============================================================ */

/* --- Типографика: убираем «чёрную стену» --- */
.su-landing h1 { font-weight: 700; letter-spacing: -0.02em; font-size: clamp(30px, 3.6vw, 52px); line-height: 1.08; color: #0F2033; }
.su-landing h2 { font-weight: 700; letter-spacing: -0.015em; font-size: clamp(24px, 2.4vw, 38px); color: #0F2033; }
.su-landing h3 { font-weight: 700; color: #16263A; }
.su-landing p, .su-landing li { color: #2F3B4D; }
.su-hero__text .su-lead { color: #4B5A6E; font-size: 18px; }

/* --- Убираем тёмный фон у ранее «dark» секций (кроме .su-section--dark для формы) --- */
/* оставили: только #contact остаётся dark — форма читаема на тёмном */

/* --- HERO COLLAGE (3 карточки вместо одного фото) --- */
.su-hero__collage {
  display: grid;
  grid-template-columns: 1.35fr 1fr;
  grid-template-rows: 1fr 1fr;
  gap: 14px;
  aspect-ratio: 4/3.4;
}
.su-hero__card {
  margin: 0; position: relative; overflow: hidden;
  border-radius: 18px; background: #fff;
  border: 1px solid var(--su-line);
  box-shadow: var(--su-shadow);
  transition: transform .3s ease, box-shadow .3s ease;
}
.su-hero__card:hover { transform: translateY(-3px); box-shadow: var(--su-shadow-lg); }
.su-hero__card--big { grid-row: 1 / 3; }
.su-hero__card img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .5s ease; }
.su-hero__card:hover img { transform: scale(1.03); }
.su-hero__card figcaption {
  position: absolute; left: 12px; bottom: 12px;
  background: rgba(255,255,255,.94); color: #0F2033;
  padding: 6px 12px; border-radius: 8px;
  font-size: 12px; font-weight: 700; letter-spacing: .04em; text-transform: uppercase;
  backdrop-filter: blur(6px);
}
/* Прячем старый hero photo/mini/badge — коллаж заменяет их */
.su-hero__photo, .su-hero__mini { display: none; }
.su-hero__badge {
  position: static; margin-top: 16px;
  background: #fff; color: var(--su-navy);
  border: 1px solid var(--su-line);
  box-shadow: none;
  padding: 12px 16px;
}
.su-hero__badge em { color: var(--su-muted); }

/* Отключаем анимацию Ken Burns (у нас теперь коллаж) */
.su-hero__photo img { animation: none !important; }

/* --- KIT price block --- */
.su-kit-price {
  display: flex; align-items: center; gap: 20px; flex-wrap: wrap;
  padding: 18px 20px; margin: 20px 0 0;
  background: #fff; border: 1px solid var(--su-line); border-radius: 14px;
  box-shadow: var(--su-shadow);
}
.su-kit-price__val { display: flex; flex-direction: column; gap: 2px; }
.su-kit-price__val b { font-size: 28px; font-weight: 800; color: var(--su-navy); letter-spacing: -0.015em; }
.su-kit-price__val span { font-size: 13px; color: var(--su-muted); }
.su-kit-price .su-btn { margin-left: auto; }

/* --- RESULT (формула за учебный год) --- */
.su-result {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr;
  gap: 14px; align-items: stretch;
}
.su-result__card {
  background: #fff; border: 1px solid var(--su-line); border-radius: 16px;
  padding: 28px 20px; text-align: center;
  box-shadow: var(--su-shadow);
  display: flex; flex-direction: column; justify-content: center; gap: 10px;
}
.su-result__card b {
  font-size: clamp(36px, 4.2vw, 54px); font-weight: 800; letter-spacing: -0.03em;
  color: var(--su-primary); line-height: 1; font-variant-numeric: tabular-nums;
}
.su-result__card span { color: var(--su-ink-2); font-size: 14px; line-height: 1.4; }
.su-result__plus {
  align-self: center; font-size: 28px; color: var(--su-muted); font-weight: 300;
}
@media (max-width: 900px) {
  .su-result { grid-template-columns: 1fr 1fr; }
  .su-result__plus { display: none; }
}

/* --- SAFETY (светло-голубой фон) --- */
.su-section--sky { background: linear-gradient(180deg, #EEF7FE 0%, #F5FAFE 100%); }
.su-safety {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px;
}
.su-safety__item {
  background: #fff; border: 1px solid #D7E7F5; border-radius: 14px;
  padding: 22px 22px; box-shadow: 0 6px 24px -18px rgba(11,31,51,.25);
  display: flex; flex-direction: column; gap: 8px;
  border-left: 4px solid var(--su-primary);
}
.su-safety__item b { color: var(--su-navy); font-size: 15px; font-weight: 700; }
.su-safety__item span { color: var(--su-ink-2); font-size: 14.5px; line-height: 1.5; }
@media (max-width: 900px) { .su-safety { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .su-safety { grid-template-columns: 1fr; } }

/* --- CHAMPIONSHIP CTA --- */
.su-champ__cta { margin-top: 22px; }

/* --- Модели: снимаем каскад — секция теперь светлая --- */
.su-section--soft .su-model { color: var(--su-ink); background: #fff; }
.su-section--soft .su-model h3 { color: var(--su-ink); }
.su-section--soft .su-model p,
.su-section--soft .su-model .su-model__lead { color: var(--su-muted); }
.su-section--soft .su-model__list li { color: var(--su-ink-2); }
.su-section--soft .su-model--accent { color: #EAF3FA; }
.su-section--soft .su-model--accent h3 { color: #fff; }
.su-section--soft .su-model--accent .su-model__lead { color: rgba(234,243,250,.9); }
.su-section--soft .su-model--accent .su-model__list li { color: #EAF3FA; }

/* --- PAID теперь светлый: карточки должны быть читаемы на светлом --- */
.su-section--soft .su-two__col {
  background: #fff; border: 1px solid var(--su-line); box-shadow: var(--su-shadow);
}
.su-section--soft .su-two__col h3 { color: var(--su-navy); }
.su-section--soft .su-two__col p { color: var(--su-ink-2); }
.su-section--soft .su-two__col--accent {
  background: linear-gradient(140deg, #EFF9FF, #ECFCF7);
  border-color: rgba(11,77,162,.15);
}

/* --- Section head — H2 без «жирного» ощущения --- */
.su-section__head h2 { font-weight: 700; }
.su-hero__points li { color: var(--su-ink-2); font-weight: 500; }

/* --- Trust bar — чуть мягче --- */
.su-trust li { font-weight: 500; }

/* --- Убираем слишком крупные лид-строки на маленьких экранах --- */
@media (max-width: 640px) {
  .su-hero__collage { aspect-ratio: 4/3.2; }
  .su-hero__text .su-lead { font-size: 16px; }
}