/* WinCleaner — лендинг. Фирменная бирюзово-синяя тема, плиточный дизайн.
   Чистый CSS без фреймворков — лёгкий, быстрый, без внешних запросов. */

:root {
  --teal:        #17B0C4;
  --teal-dark:   #0E8DA0;
  --blue-deep:   #0E2A38;
  --blue-2:      #123A4A;
  --bg:          #F4F8FA;
  --bg-alt:      #EAF2F5;
  --card:        #FFFFFF;
  --line:        #DCE7EC;
  --text:        #12303B;
  --text-2:      #5A7280;
  --yes:         #17A277;
  --shadow:      0 6px 22px rgba(14, 42, 56, .08);
  --radius:      16px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "Segoe UI", system-ui, -apple-system, Roboto, Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

.wrap { max-width: 1080px; margin: 0 auto; padding: 0 20px; }

a { color: var(--teal-dark); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---- Кнопки ---- */
.btn {
  display: inline-block;
  padding: 12px 22px;
  border-radius: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: transform .06s ease, box-shadow .15s ease, background .15s ease;
  border: 1px solid transparent;
}
.btn:hover { text-decoration: none; }
.btn--primary {
  background: linear-gradient(135deg, var(--teal) 0%, var(--teal-dark) 100%);
  color: #fff;
  box-shadow: 0 6px 18px rgba(23, 176, 196, .35);
}
.btn--primary:hover { transform: translateY(-1px); box-shadow: 0 9px 24px rgba(23, 176, 196, .45); }
.btn--ghost {
  background: transparent;
  color: var(--blue-deep);
  border-color: var(--line);
}
.btn--ghost:hover { background: #fff; }
.btn--lg { padding: 15px 30px; font-size: 1.05rem; }

/* ---- Шапка ---- */
.topbar {
  position: sticky; top: 0; z-index: 10;
  background: rgba(244, 248, 250, .9);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.topbar__row { display: flex; align-items: center; justify-content: space-between; height: 66px; }
.brand { display: flex; align-items: center; gap: 10px; }
.brand__logo { display: block; border-radius: 8px; }
.brand__name { font-weight: 700; font-size: 1.15rem; color: var(--blue-deep); letter-spacing: .2px; }
.topnav { display: flex; align-items: center; gap: 22px; }
.topnav a { color: var(--text-2); font-weight: 500; }
.topnav a.btn { color: var(--blue-deep); }
.topnav a:hover { color: var(--teal-dark); text-decoration: none; }

/* ---- Экран приветствия ---- */
.hero {
  background:
    radial-gradient(1200px 400px at 80% -50%, rgba(23,176,196,.18), transparent),
    linear-gradient(180deg, #fff 0%, var(--bg) 100%);
  padding: 70px 0 60px;
  border-bottom: 1px solid var(--line);
}
.hero__grid { display: grid; grid-template-columns: 1.25fr .75fr; gap: 40px; align-items: center; }
.hero__title { font-size: 2.6rem; line-height: 1.15; margin: 0 0 18px; color: var(--blue-deep); letter-spacing: -.5px; }
.hero__lead { font-size: 1.18rem; color: var(--text-2); margin: 0 0 28px; max-width: 34em; }
.hero__lead b { color: var(--text); }
.hero__cta { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.hero__meta { color: var(--text-2); font-size: .92rem; }
.hero__art { display: flex; justify-content: center; }
.hero__logo {
  border-radius: 28px;
  box-shadow: var(--shadow);
  background: #fff;
  padding: 14px;
}

/* ---- Секции ---- */
.section { padding: 64px 0; }
.section--alt { background: var(--bg-alt); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section__title { font-size: 1.9rem; text-align: center; margin: 0 0 8px; color: var(--blue-deep); }
.section__sub { text-align: center; color: var(--text-2); margin: 0 auto 34px; max-width: 42em; }

/* ---- Плитки ---- */
.tiles { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 34px; }
.tiles--faq { grid-template-columns: repeat(2, 1fr); }
.tile {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px 24px;
  box-shadow: var(--shadow);
  transition: transform .1s ease, box-shadow .15s ease;
}
.tile:hover { transform: translateY(-3px); box-shadow: 0 12px 30px rgba(14,42,56,.12); }
.tile__ic { font-size: 1.9rem; margin-bottom: 12px; }
.tile__num {
  display: inline-flex; align-items: center; justify-content: center;
  width: 42px; height: 42px; border-radius: 50%;
  background: linear-gradient(135deg, var(--teal) 0%, var(--teal-dark) 100%);
  color: #fff; font-size: 1.25rem; font-weight: 700;
}
.tile h3 { margin: 0 0 8px; font-size: 1.18rem; color: var(--blue-deep); }
.tile p { margin: 0; color: var(--text-2); }

/* ---- Скриншоты ---- */
.shots {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
  margin-top: 34px;
}
.shot { margin: 0; }
.shot img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 12px;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}
.shot figcaption {
  margin-top: 10px;
  text-align: center;
  color: var(--text-2);
  font-size: .92rem;
}

/* ---- Таблица сравнения ---- */
.compare { max-width: 760px; margin: 0 auto; }
.ctable {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}
.ctable th, .ctable td { padding: 14px 18px; text-align: center; border-bottom: 1px solid var(--line); }
.ctable thead th { background: var(--blue-deep); color: #fff; font-weight: 600; }
.ctable__feat { text-align: left !important; }
.ctable tbody td:first-child { text-align: left; color: var(--text); }
.ctable__pro { background: var(--teal); }
.ctable tbody tr:last-child td { border-bottom: none; }
.ctable tbody tr:nth-child(even) td { background: #FAFCFD; }
.yes { color: var(--yes); font-weight: 700; font-size: 1.15rem; }
.no  { color: #B9C6CD; font-weight: 700; }
.compare__note { text-align: center; color: var(--text-2); margin-top: 18px; font-size: .95rem; }

/* ---- Скачивание ---- */
.download__box {
  text-align: center;
  background: linear-gradient(135deg, var(--blue-deep) 0%, var(--blue-2) 100%);
  color: #fff;
  border-radius: 22px;
  padding: 48px 30px;
  box-shadow: var(--shadow);
}
.download__box h2 { margin: 0 0 6px; font-size: 1.8rem; }
.download__ver { color: #9FC5D0; margin: 0 0 24px; }
.download__hint { color: #B7CDD6; font-size: .9rem; max-width: 46em; margin: 22px auto 0; }

/* ---- SEO-текст ---- */
.seotext p {
  color: var(--text-2);
  max-width: 64em;
  margin: 0 auto 16px;
  line-height: 1.75;
  font-size: 1.02rem;
}
.seotext p b { color: var(--text); }

/* ---- Подвал ---- */
.footer { padding: 34px 0; background: #fff; border-top: 1px solid var(--line); }
.footer__row { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.footer__links { display: flex; gap: 20px; }
.footer__links a { color: var(--text-2); }
.footer__copy { color: var(--text-2); font-size: .9rem; }

/* ---- Адаптив ---- */
@media (max-width: 860px) {
  .hero__grid { grid-template-columns: 1fr; text-align: center; }
  .hero__art { order: -1; }
  .hero__logo { width: 150px; height: 150px; }
  .hero__lead { margin-left: auto; margin-right: auto; }
  .hero__cta { justify-content: center; }
  .hero__title { font-size: 2.1rem; }
  .tiles { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 860px) {
  .shots { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .topnav a:not(.btn) { display: none; }
  .tiles, .tiles--faq { grid-template-columns: 1fr; }
  .hero__title { font-size: 1.8rem; }
}