.landing-body {
  background:
    radial-gradient(900px 420px at 12% -8%, #e8dcc8 0%, transparent 52%),
    radial-gradient(700px 380px at 100% 8%, #d9e4f2 0%, transparent 46%),
    var(--paper);
}
.landing-body .flash {
  top: 18px;
  right: 16px;
  left: auto;
  transform: none;
  width: min(360px, calc(100% - 32px));
}
.lp-skip {
  position: absolute;
  left: -999px;
  top: 8px;
}
.lp-skip:focus { left: 12px; z-index: 50; background: #fff; padding: 8px 12px; border-radius: 8px; }

.lp-top {
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(22, 49, 79, 0.96);
  backdrop-filter: blur(10px);
  color: #f6f0e6;
}
.lp-top-inner {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  min-height: 64px;
  display: flex;
  align-items: center;
  gap: 16px;
}
.lp-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: #fff;
  text-decoration: none;
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 700;
}
.lp-brand img {
  width: 36px;
  height: 36px;
  border-radius: 10px;
}
.lp-brand small {
  display: block;
  font-family: "Segoe UI", system-ui, sans-serif;
  font-size: 0.64rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #d9e4f2;
  font-weight: 700;
}
.lp-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  margin-left: auto;
  align-items: center;
}
.lp-nav a {
  color: #d9e4f2;
  text-decoration: none;
  font-size: 0.9rem;
}
.lp-nav a:hover { color: #fff; }
.lp-nav .lp-nav-login {
  background: #c2410c;
  color: #fff;
  border-radius: 999px;
  padding: 8px 16px;
  font-weight: 700;
}
.lp-menu {
  display: none;
  margin-left: auto;
  background: transparent;
  border: 1px solid #d9e4f2;
  color: #fff;
  border-radius: 999px;
  padding: 8px 14px;
  font: inherit;
  cursor: pointer;
}

.lp-hero {
  width: min(1120px, calc(100% - 32px));
  margin: 28px auto 8px;
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(280px, 0.88fr);
  gap: 32px;
  align-items: center;
}
.lp-hero h1 {
  font-size: clamp(1.85rem, 4.2vw, 2.7rem);
  line-height: 1.15;
  margin: 0 0 14px;
}
.lp-hero .lead { font-size: 1.08rem; max-width: 38rem; }
.lp-actions { display: flex; flex-wrap: wrap; gap: 10px; margin: 18px 0 20px; }
.lp-actions .btn { padding: 12px 20px; }
.lp-proof {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  max-width: 440px;
}
.lp-proof span {
  background: #fffdf8;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 10px 12px;
  font-size: 0.88rem;
  box-shadow: var(--shadow);
}

.lp-device {
  background: #16314f;
  border-radius: 22px;
  padding: 12px 12px 16px;
  box-shadow: 0 24px 50px rgba(22, 49, 79, 0.28);
  color: #fff;
  scroll-margin-top: 80px;
}
.lp-device-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 8px 12px;
  font-size: 0.78rem;
  color: #d9e4f2;
}
.lp-dots { display: flex; gap: 6px; }
.lp-dots i {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #e8dcc8;
  opacity: 0.55;
  display: block;
}
.lp-login {
  background: var(--card);
  color: var(--ink);
  border-radius: 16px;
  padding: 20px 18px 18px;
}
.lp-login h2 { margin-bottom: 4px; }
.lp-login .btn { width: 100%; justify-self: stretch; }
.lp-login-note { margin: 10px 0 0; font-size: 0.82rem; }

.lp-section {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 48px 0 8px;
  scroll-margin-top: 72px;
}
.lp-section h2 {
  font-size: clamp(1.35rem, 2.4vw, 1.85rem);
  margin-bottom: 8px;
}
.lp-kicker { margin-bottom: 22px; max-width: 40rem; }

.lp-grid-4,
.lp-grid-3,
.lp-grid-2 {
  display: grid;
  gap: 14px;
}
.lp-grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.lp-grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.lp-grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.lp-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 18px;
  box-shadow: var(--shadow);
}
.lp-card:hover { border-color: #cfc0a8; }
.lp-card h3 { margin-bottom: 6px; }
.lp-card p { margin: 0; color: var(--muted); }
.lp-card p + p { margin-top: 10px; }

.lp-shift {
  display: grid;
  gap: 10px;
}
.lp-shift article {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  gap: 12px;
  align-items: center;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 14px 16px;
  box-shadow: var(--shadow);
}
.lp-shift b { color: var(--navy); }
.lp-shift em {
  font-style: normal;
  color: #c2410c;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.lp-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.lp-chips a,
.lp-chips span {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 8px 14px;
  text-decoration: none;
  color: var(--navy);
  font-weight: 600;
  font-size: 0.92rem;
}

.lp-steps { display: grid; gap: 0; }
.lp-step {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr);
  gap: 12px;
  padding: 8px 0;
}
.lp-step b {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: var(--navy);
  color: #fff;
  display: grid;
  place-items: center;
  font-family: Georgia, serif;
}
.lp-step p { margin: 0; color: var(--muted); }
.lp-step-line {
  width: 2px;
  height: 18px;
  background: var(--line);
  margin: 0 0 0 19px;
}

.lp-quote { position: relative; }
.lp-quote p { color: var(--ink); }
.lp-quote footer {
  margin-top: 12px;
  color: var(--muted);
  font-size: 0.88rem;
}
.lp-stat-exam {
  margin: 22px 0 6px;
  font-size: 1.05rem;
  color: var(--navy);
}
.lp-section > .lp-stat-exam:first-of-type { margin-top: 4px; }
.lp-stat-row {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 28px;
  margin-bottom: 8px;
  align-items: stretch;
}
.lp-stat-row + .lp-stat-exam,
.lp-grid-3 + .lp-stat-exam { margin-top: 36px; }
.lp-stat-exam + .lead { margin-bottom: 14px; }
.lp-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 24px 16px;
  min-height: 148px;
  box-sizing: border-box;
}
.lp-stat strong {
  display: block;
  font-size: clamp(1.35rem, 2.4vw, 1.85rem);
  font-family: Georgia, serif;
  color: var(--navy);
  line-height: 1.2;
  text-align: center;
}
.lp-stat span {
  color: var(--muted);
  font-size: 0.88rem;
  text-align: center;
  margin-top: 8px;
  max-width: 14em;
}

.lp-teacher {
  display: grid;
  grid-template-columns: minmax(240px, 300px) minmax(0, 1fr);
  gap: 28px;
  align-items: stretch;
}
.lp-photo {
  position: relative;
  min-height: 0;
  border-radius: 24px;
  overflow: hidden;
  box-shadow: var(--shadow);
  background: #16314f;
}
.lp-photo img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 18%;
  display: block;
  border-radius: 0;
  box-shadow: none;
}
.lp-facts { margin: 0; padding: 0; list-style: none; display: grid; gap: 8px; }
.lp-facts li {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 10px 12px;
}
#prepod .lp-actions { margin: 16px 0 0; }

.lp-price-head {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: baseline;
  margin-bottom: 16px;
}
.lp-includes { margin: 0; padding: 0 0 0 18px; color: var(--muted); }
.lp-tariff { display: flex; flex-direction: column; gap: 8px; }
.lp-tariff .btn { margin-top: auto; align-self: start; }
.lp-badge {
  display: inline-block;
  background: #c2410c;
  color: #fff;
  border-radius: 999px;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 700;
  padding: 4px 8px;
  width: max-content;
}

.lp-months { counter-reset: month; }
.lp-months article { position: relative; }
.lp-oge {
  display: grid;
  gap: 10px;
}
.lp-oge div {
  display: grid;
  grid-template-columns: 140px minmax(0, 1fr);
  gap: 10px;
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
}
.lp-oge b { color: var(--navy); }

.lp-bonus {
  background: var(--navy);
  color: #f6f0e6;
  border: 0;
}
.lp-bonus p { color: #d9e4f2; }
.lp-bonus ul { margin: 0; padding: 0 0 0 18px; }

.lp-svyaz { text-align: center; }
.lp-svyaz .lp-kicker { margin-left: auto; margin-right: auto; }
.lp-qr {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  max-width: 760px;
  margin: 0 auto;
}
.lp-qr-card {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 28px 20px;
}
.lp-qr-card img {
  width: min(240px, 100%);
  height: auto;
  border-radius: 12px;
  background: #fffdf8;
}
.lp-qr-card h3 { margin: 4px 0 0; }
.lp-qr-card p { margin: 0; }
.lp-qr-card p a {
  display: inline-block;
  word-break: break-all;
  color: var(--navy);
  font-weight: 600;
}
.lp-faq details {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 12px 16px;
  margin-bottom: 8px;
}
.lp-faq summary {
  cursor: pointer;
  font-weight: 700;
  color: var(--navy);
}
.lp-faq p { margin: 8px 0 0; color: var(--muted); }

.lp-cta {
  background: #16314f;
  color: #f6f0e6;
  border-radius: 24px;
  padding: 28px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 380px);
  gap: 24px;
  align-items: start;
}
.lp-cta h2 { color: #fff; }
.lp-cta .lead { color: #d9e4f2; }
.lp-cta form {
  background: #fffdf8;
  color: var(--ink);
  border-radius: 16px;
  padding: 18px;
  position: relative;
}
.lp-cta .btn { width: 100%; }
.lp-honeypot {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
}

.lp-foot {
  margin-top: 48px;
  padding: 28px 0 40px;
  border-top: 1px solid var(--line);
  color: var(--muted);
}
.lp-foot-inner {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  display: grid;
  gap: 16px;
}
.lp-foot nav { display: flex; flex-wrap: wrap; gap: 10px 16px; }
.lp-foot a { color: var(--navy); }

.lp-topic-hero { padding-top: 36px; max-width: 46rem; }

@media (max-width: 920px) {
  .lp-hero,
  .lp-teacher,
  .lp-cta,
  .lp-grid-4,
  .lp-stat-row { grid-template-columns: 1fr; }
  .lp-photo { aspect-ratio: 4 / 5; max-height: 420px; }
  .lp-grid-3 { grid-template-columns: 1fr 1fr; }
  .lp-shift article { grid-template-columns: 1fr; }
  .lp-shift em { justify-self: start; }
  .lp-oge div { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  .lp-menu { display: inline-flex; }
  .lp-nav {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: #16314f;
    padding: 12px 16px 18px;
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
  .lp-top.is-open .lp-nav { display: flex; }
  .lp-grid-3, .lp-grid-2, .lp-qr { grid-template-columns: 1fr; }
  .lp-hero { margin-top: 16px; }
  .lp-section { padding-top: 36px; }
  .lp-cta { padding: 20px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}
html { scroll-behavior: smooth; }