:root {
  --fon: #ffffff;
  --fon-2: #f4f7fc;
  --fon-3: #e9f0fb;
  --tekst: #1d2330;
  --tusk: #525c6e;
  --akcent: #1a5fd0;
  --akcent-hover: #144ba6;
  --akcent-myagkij: #e6eefc;
  --oranzh: #c96a00;
  --oranzh-fon: #fff3e2;
  --linia: #e1e6ee;
  --karta: #ffffff;
  --ten: 0 1px 2px rgba(20, 35, 70, .06), 0 8px 28px rgba(20, 35, 70, .08);
  --temnyj: #0f1f3d;
  --temnyj-tekst: #e8eefb;
  --temnyj-tusk: #aebbd6;
  --radius: 16px;
  --shirina: 1160px;
  --shrift: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root {
    --fon: #12161d;
    --fon-2: #171c25;
    --fon-3: #1c2330;
    --tekst: #e6e9ef;
    --tusk: #a3adbf;
    --akcent: #7aa8ff;
    --akcent-hover: #a2c2ff;
    --akcent-myagkij: #1d2a44;
    --oranzh: #ffb35c;
    --oranzh-fon: #33261a;
    --linia: #2a313d;
    --karta: #181e28;
    --ten: 0 1px 2px rgba(0, 0, 0, .3), 0 8px 28px rgba(0, 0, 0, .3);
    --temnyj: #0b1222;
  }
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--fon);
  color: var(--tekst);
  font: 17px/1.6 var(--shrift);
  overflow-wrap: break-word;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--akcent); }
a:hover { color: var(--akcent-hover); }
h1, h2, h3 { line-height: 1.2; margin: 0 0 .5em; letter-spacing: -.01em; }
h1 { font-size: clamp(32px, 5vw, 54px); font-weight: 800; }
h2 { font-size: clamp(26px, 3.4vw, 38px); font-weight: 800; }
h3 { font-size: 20px; font-weight: 700; }
p { margin: 0 0 1em; }

.obertka { max-width: var(--shirina); margin: 0 auto; padding: 0 16px; }
@media (min-width: 720px) { .obertka { padding: 0 32px; } }

.skip { position: absolute; left: -9999px; }
.skip:focus { left: 16px; top: 8px; z-index: 100; background: var(--fon); padding: 8px 12px; }

/* Шапка */
.shapka {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--fon) 92%, transparent);
  backdrop-filter: saturate(1.4) blur(10px);
  border-bottom: 1px solid var(--linia);
}
.shapka .obertka { display: flex; align-items: center; justify-content: space-between; height: 64px; gap: 16px; }
.logo { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; color: var(--tekst); font-weight: 800; letter-spacing: .08em; font-size: 18px; }
.logo img { width: 34px; height: 34px; }
.menu { display: flex; gap: 4px; align-items: center; }
.menu a { text-decoration: none; color: var(--tekst); padding: 8px 12px; border-radius: 10px; font-size: 15px; font-weight: 500; }
.menu a:hover, .menu a[aria-current="page"] { background: var(--akcent-myagkij); color: var(--akcent); }
.menu-knopka { display: none; background: none; border: 1px solid var(--linia); border-radius: 10px; width: 44px; height: 40px; cursor: pointer; color: var(--tekst); }
.menu-knopka span, .menu-knopka span::before, .menu-knopka span::after { display: block; width: 20px; height: 2px; background: currentColor; margin: 0 auto; position: relative; }
.menu-knopka span::before, .menu-knopka span::after { content: ""; position: absolute; left: 0; }
.menu-knopka span::before { top: -6px; }
.menu-knopka span::after { top: 6px; }
@media (max-width: 760px) {
  .menu-knopka { display: block; }
  .menu { display: none; position: absolute; top: 64px; left: 0; right: 0; flex-direction: column; align-items: stretch; background: var(--fon); border-bottom: 1px solid var(--linia); padding: 8px 16px 16px; }
  .menu.otkryto { display: flex; }
  .menu a { padding: 12px; font-size: 17px; }
}

/* Кнопки */
.knopka {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 14px 24px; border-radius: 12px; font-weight: 700; font-size: 16px;
  text-decoration: none; border: 2px solid var(--akcent); background: var(--akcent); color: #fff;
  transition: background .15s, transform .15s; text-align: center;
}
.knopka:hover { background: var(--akcent-hover); border-color: var(--akcent-hover); color: #fff; transform: translateY(-1px); }
.knopka.vtor { background: transparent; color: var(--akcent); }
.knopka.vtor:hover { background: var(--akcent-myagkij); color: var(--akcent); }
@media (prefers-color-scheme: dark) { .knopka { color: #0b1222; } .knopka:hover { color: #0b1222; } }
.knopki { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 24px; }
@media (max-width: 480px) { .knopki .knopka { width: 100%; } }

/* Метки */
.metka { display: inline-block; font-size: 13px; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; padding: 5px 12px; border-radius: 999px; background: var(--akcent-myagkij); color: var(--akcent); }
.metka.skoro { background: var(--oranzh-fon); color: var(--oranzh); }

/* Первый экран */
.geroj { padding: 64px 0 56px; background: radial-gradient(1200px 500px at 80% -10%, var(--fon-3), transparent 70%), var(--fon); }
.geroj .lid { font-size: clamp(18px, 2vw, 21px); color: var(--tusk); max-width: 680px; }
.geroj .metka { margin-bottom: 18px; }
.geroj-setka { display: grid; gap: 40px; align-items: center; }
@media (min-width: 960px) { .geroj-setka { grid-template-columns: 1.05fr 1fr; } }
.geroj-kartinka { border-radius: var(--radius); overflow: hidden; box-shadow: var(--ten); border: 1px solid var(--linia); }
.fakty { display: flex; flex-wrap: wrap; gap: 10px 24px; margin: 24px 0 0; padding: 0; list-style: none; color: var(--tusk); font-size: 15px; }
.fakty li::before { content: "✓"; color: var(--akcent); font-weight: 800; margin-right: 8px; }

/* Секции */
.sekciya { padding: 72px 0; }
.sekciya.seraya { background: var(--fon-2); }
.sekciya .podzag { color: var(--tusk); max-width: 720px; font-size: 18px; margin-bottom: 36px; }

/* Карточки решений на главной */
.resheniya { display: grid; gap: 28px; }
@media (min-width: 900px) { .resheniya { grid-template-columns: 1fr 1fr; } }
.reshenie {
  display: flex; flex-direction: column; background: var(--karta); border: 1px solid var(--linia);
  border-radius: 20px; overflow: hidden; box-shadow: var(--ten);
}
.reshenie .kartinka { aspect-ratio: 16 / 9; overflow: hidden; background: var(--fon-3); border-bottom: 1px solid var(--linia); }
.reshenie .kartinka img { width: 100%; height: 100%; object-fit: cover; object-position: left top; }
.reshenie .telo { padding: 28px; display: flex; flex-direction: column; flex: 1; }
.reshenie .telo .metka { align-self: flex-start; margin-bottom: 14px; }
.reshenie h3 { font-size: 24px; }
.reshenie .sut { color: var(--tusk); }
.reshenie .tsena { margin-top: auto; padding-top: 18px; border-top: 1px solid var(--linia); display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 14px; }
.reshenie .tsena b { font-size: 22px; display: block; }
.reshenie .tsena small { color: var(--tusk); font-size: 14px; }

.galki { list-style: none; padding: 0; margin: 0 0 20px; }
.galki li { position: relative; padding-left: 30px; margin-bottom: 10px; }
.galki li::before {
  content: ""; position: absolute; left: 0; top: 4px; width: 20px; height: 20px; border-radius: 50%;
  background: var(--akcent-myagkij) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath d='M5.5 10.5l3 3 6-7' fill='none' stroke='%231a5fd0' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center / 20px no-repeat;
}

/* Сетка плиток */
.plitki { display: grid; gap: 20px; }
@media (min-width: 640px) { .plitki { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 980px) { .plitki.tri { grid-template-columns: repeat(3, 1fr); } .plitki.chetyre { grid-template-columns: repeat(4, 1fr); } }
.plitka { background: var(--karta); border: 1px solid var(--linia); border-radius: var(--radius); padding: 24px; }
.plitka p:last-child { margin-bottom: 0; }
.plitka .ikonka { width: 44px; height: 44px; border-radius: 12px; background: var(--akcent-myagkij); color: var(--akcent); display: grid; place-items: center; font-weight: 800; font-size: 18px; margin-bottom: 14px; }
.plitka p { color: var(--tusk); }

/* Боль -> решение */
.boli { display: grid; gap: 16px; }
.bol { display: grid; gap: 0; border: 1px solid var(--linia); border-radius: var(--radius); overflow: hidden; background: var(--karta); }
@media (min-width: 760px) { .bol { grid-template-columns: 1fr 1.25fr; } }
.bol > div { padding: 22px 24px; }
.bol .bylo { background: var(--fon-2); color: var(--tusk); }
.bol .bylo b { color: var(--tekst); }
.bol .stalo b { color: var(--akcent); }
.bol .yarlyk { display: block; font-size: 12px; text-transform: uppercase; letter-spacing: .06em; font-weight: 700; margin-bottom: 6px; color: var(--tusk); }

/* Шаги */
.shagi { counter-reset: shag; list-style: none; padding: 0; margin: 0; display: grid; gap: 16px; }
@media (min-width: 900px) { .shagi { grid-template-columns: repeat(3, 1fr); } }
.shagi li { counter-increment: shag; position: relative; background: var(--karta); border: 1px solid var(--linia); border-radius: var(--radius); padding: 24px 24px 24px 76px; }
.shagi li::before { content: counter(shag); position: absolute; left: 22px; top: 22px; width: 38px; height: 38px; border-radius: 50%; background: var(--akcent); color: #fff; display: grid; place-items: center; font-weight: 800; }
@media (prefers-color-scheme: dark) { .shagi li::before { color: #0b1222; } }
.shagi li b { display: block; margin-bottom: 4px; }
.shagi li span { color: var(--tusk); }

/* Скриншоты */
.snimki { display: grid; gap: 28px; }
@media (min-width: 900px) { .snimki { grid-template-columns: 1fr 1fr; } }
.snimki figure { margin: 0; }
.snimki img { border-radius: 12px; border: 1px solid var(--linia); box-shadow: var(--ten); width: 100%; }
.snimki figcaption { margin-top: 12px; color: var(--tusk); font-size: 15px; }
.snimki figcaption b { color: var(--tekst); display: block; font-size: 17px; }
.primechanie { color: var(--tusk); font-size: 14px; margin-top: 24px; }

/* Цена */
.tsena-blok { display: grid; gap: 24px; }
@media (min-width: 900px) { .tsena-blok { grid-template-columns: 1fr 1fr; align-items: start; } }
.tsena-karta { background: var(--karta); border: 2px solid var(--akcent); border-radius: 20px; padding: 32px; box-shadow: var(--ten); }
.tsena-karta .summa { font-size: clamp(36px, 5vw, 48px); font-weight: 800; line-height: 1.1; }
.tsena-karta .summa small { font-size: 18px; font-weight: 600; color: var(--tusk); }
.tablica { width: 100%; border-collapse: collapse; font-size: 16px; background: var(--karta); border-radius: var(--radius); overflow: hidden; border: 1px solid var(--linia); }
.tablica th, .tablica td { text-align: left; padding: 14px 16px; border-bottom: 1px solid var(--linia); vertical-align: top; }
.tablica th { background: var(--fon-2); font-weight: 700; }
.tablica tr:last-child td { border-bottom: 0; }
.tablica td:last-child { white-space: nowrap; font-weight: 600; }
@media (max-width: 480px) { .tablica td:last-child { white-space: normal; } .tablica th, .tablica td { padding: 12px; font-size: 15px; } }

/* FAQ */
.faq { display: grid; gap: 12px; max-width: 860px; }
.faq details { background: var(--karta); border: 1px solid var(--linia); border-radius: 14px; padding: 0 22px; }
.faq summary { cursor: pointer; font-weight: 700; padding: 18px 28px 18px 0; list-style: none; position: relative; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 0; top: 14px; font-size: 24px; color: var(--akcent); font-weight: 400; }
.faq details[open] summary::after { content: "−"; }
.faq details p { color: var(--tusk); }

/* Призыв */
.prizyv { background: linear-gradient(135deg, #0f2a5c, #1a5fd0); color: #fff; border-radius: 24px; padding: 48px 32px; text-align: center; }
.prizyv h2 { color: #fff; }
.prizyv p { color: #dbe6ff; max-width: 640px; margin: 0 auto; }
.prizyv .knopki { justify-content: center; }
.prizyv .knopka { background: #fff; color: #0f2a5c; border-color: #fff; }
.prizyv .knopka:hover { background: #e6eefc; border-color: #e6eefc; color: #0f2a5c; }
.prizyv .knopka.vtor { background: transparent; color: #fff; border-color: rgba(255,255,255,.6); }
.prizyv .knopka.vtor:hover { background: rgba(255,255,255,.12); }
@media (max-width: 480px) { .prizyv { padding: 36px 20px; } }

/* Контакты */
.kontakty { display: grid; gap: 20px; }
@media (min-width: 800px) { .kontakty { grid-template-columns: repeat(3, 1fr); } }
.kontakty .plitka b { display: block; font-size: 19px; margin-bottom: 6px; color: var(--tekst); }

/* Подвал */
.podval { background: var(--temnyj); color: var(--temnyj-tusk); padding: 48px 0 32px; font-size: 15px; }
.podval a { color: var(--temnyj-tekst); text-decoration: none; }
.podval a:hover { text-decoration: underline; color: #fff; }
.podval-setka { display: grid; gap: 28px; }
@media (min-width: 800px) { .podval-setka { grid-template-columns: 1.4fr 1fr 1fr; } }
.podval h4 { color: var(--temnyj-tekst); margin: 0 0 12px; font-size: 15px; text-transform: uppercase; letter-spacing: .06em; }
.podval ul { list-style: none; margin: 0; padding: 0; }
.podval li { margin-bottom: 8px; }
.podval .logo { color: #fff; margin-bottom: 12px; }
.podval-niz { border-top: 1px solid rgba(255,255,255,.12); margin-top: 32px; padding-top: 20px; }