:root {
  --blue: #2f6bf5;
  --blue-dark: #1f56d6;
  --blue-soft: #eaf1ff;
  --bg: #ffffff;
  --bg-soft: #f4f8fd;
  --card: #ffffff;
  --ink: #0a0a0a;
  --ink-2: #5b6477;
  --muted: #98a1b3;
  --line: #e1e8f1;
  --chip-bg: #f4f8fd;
  --chip-border: #eaf5ff;
  --radius: 18px;
  --radius-sm: 14px;
  --shadow: 0 6px 24px rgba(19, 26, 43, .05);
  --shadow-hover: 0 14px 38px rgba(19, 26, 43, .10);
  --maxw: 1200px;
  --font: "Inter", "Segoe UI", system-ui, -apple-system, Arial, sans-serif;
  --font-head: "Manrope", "Inter", "Segoe UI", system-ui, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 { font-family: var(--font-head); font-weight: 800; letter-spacing: -.01em; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }

.container { max-width: var(--maxw); margin: 0 auto; padding-left: 30px; padding-right: 30px; }

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  border: 0; border-radius: 999px;
  padding: 12px 24px; font-size: 14px; font-weight: 600;
  background: var(--blue); color: #fff;
  transition: background .2s, transform .15s; white-space: nowrap;
}
.btn:hover { background: var(--blue-dark); transform: translateY(-1px); }
.btn--ghost { background: transparent; color: var(--blue); border: 1px solid #cdddff; }
.btn--ghost:hover { background: var(--blue-soft); transform: none; }

.topbar { background: var(--bg-soft); font-size: 13px; }
.topbar__row {
  display: flex; align-items: center; justify-content: space-between;
  min-height: 46px; gap: 16px;
  border-bottom: 1px solid var(--line);
}
.topbar__promo { display: flex; align-items: center; gap: 14px; color: var(--ink-2); }
.topbar__tag {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--chip-bg); border: 1px solid var(--chip-border);
  color: var(--blue); font-weight: 700;
  font-size: 12px; letter-spacing: .04em; text-transform: uppercase;
  padding: 5px 11px; border-radius: 999px;
}
.topbar__links { display: flex; gap: 24px; color: var(--ink-2); }
.topbar__links a:hover { color: var(--blue); }

.header {
  background: #fff;
  border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 50;
}
.header__row { display: flex; align-items: center; gap: 26px; min-height: 76px; }
.logo { display: flex; align-items: center; gap: 12px; }
.logo > span:not(.logo__mark) { line-height: 1.05; display: inline-block; }
.logo__mark {
  width: 42px; height: 42px; border-radius: 50%;
  background: var(--blue); display: grid; place-items: center;
  color: #fff; font-weight: 800; font-size: 19px; font-family: var(--font-head);
  flex: none;
}
.logo__name { font-family: var(--font-head); font-weight: 800; font-size: 19px; letter-spacing: .01em; }
.logo__sub { font-size: 11px; color: var(--muted); font-weight: 500; }

.nav { display: flex; gap: 2px; margin-left: 8px; }
.nav a {
  padding: 8px 13px; border-radius: 9px;
  font-size: 15px; font-weight: 500; color: var(--ink-2);
  transition: background .15s, color .15s;
}
.nav a:hover { background: var(--blue-soft); color: var(--blue); }
.nav a.is-active { color: var(--ink); font-weight: 600; }

.header__actions { display: flex; align-items: center; gap: 14px; margin-left: auto; }
.icon-btn {
  width: 42px; height: 42px; border-radius: 50%;
  border: 1px solid var(--line); background: #fff;
  display: grid; place-items: center; color: var(--ink-2);
}
.icon-btn:hover { color: var(--blue); border-color: #cdddff; }
.burger { display: none; }

.section { padding-top: 50px; padding-bottom: 50px; }
.section--tight { padding-top: 28px; padding-bottom: 28px; }
.section__head { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 24px; }
.section__head--bordered { border-bottom: 1px solid var(--line); padding-bottom: 18px; }
.section__head h2 { margin: 0; font-size: 26px; }
.section__link { color: var(--blue); font-weight: 600; font-size: 14px; display: inline-flex; align-items: center; gap: 5px; }
.section__link:hover { text-decoration: underline; }

.eyebrow { color: var(--blue); font-weight: 700; font-size: 13px; letter-spacing: .08em; text-transform: uppercase; }

.ph {
  background:
    linear-gradient(135deg, rgba(255,255,255,.3), rgba(255,255,255,0) 55%),
    linear-gradient(135deg, var(--c1, #cdd8ee), var(--c2, #9fb4dd));
  position: relative;
}
.ph::after {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(circle at 72% 28%, rgba(255,255,255,.4), transparent 45%);
}

.tag { font-size: 11.5px; font-weight: 700; letter-spacing: .07em; text-transform: uppercase; color: var(--blue); }
.meta { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; color: var(--muted); }
.meta svg { width: 14px; height: 14px; }
.bookmark { color: var(--muted); display: inline-flex; }
.bookmark:hover { color: var(--blue); }

.hero { display: grid; grid-template-columns: 1.65fr 1fr; gap: 22px; padding-top: 40px; padding-bottom: 10px; align-items: stretch; }

.hero__feature {
  position: relative; display: flex;
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 36px; min-height: 320px; overflow: hidden;
}
.hero__feature-body { display: flex; flex-direction: column; width: 56%; }
.badge {
  align-self: flex-start; margin-bottom: 18px;
  background: var(--chip-bg); border: 1px solid var(--chip-border); color: var(--blue);
  font-size: 12px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase;
  padding: 5px 12px; border-radius: 999px;
}
.hero__feature h1 { font-size: 38px; line-height: 1.1; margin: 0 0 16px; }
.hero__feature p { color: var(--ink-2); margin: 0 0 26px; font-size: 16px; }
.hero__feature-foot { display: flex; align-items: center; justify-content: space-between; margin-top: auto; }
.hero__img {
  position: absolute; top: 0; right: 0; bottom: 60px; width: 42%;
  border-top-right-radius: var(--radius);
}

.aside-card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; align-self: stretch; }
.aside-card h3 { margin: 0 0 4px; font-size: 14px; letter-spacing: .01em; color: var(--blue); font-family: var(--font-head); font-weight: 800; }
.quick { list-style: none; margin: 0; padding: 0; }
.quick li { display: flex; gap: 13px; padding: 11px 0; border-bottom: 1px solid var(--line); }
.quick li:last-child { border-bottom: 0; padding-bottom: 0; }
.quick__icon { width: 30px; height: 30px; border-radius: 50%; background: var(--blue-soft); color: var(--blue); display: grid; place-items: center; flex: none; }
.quick__icon svg { width: 15px; height: 15px; }
.quick a { font-size: 14px; font-weight: 600; display: block; margin-bottom: 6px; }
.quick a:hover { color: var(--blue); }

.cards5 { display: grid; grid-template-columns: repeat(5, 1fr); gap: 22px; }
.card {
  background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow);
  transition: transform .18s, box-shadow .2s; display: flex; flex-direction: column;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.card .ph { aspect-ratio: 16/11; }
.card__body { padding: 16px 16px 18px; display: flex; flex-direction: column; gap: 9px; flex: 1; }
.card__body h3 { margin: 0; font-size: 16px; line-height: 1.28; font-weight: 700; }
.card__body p { margin: 0; font-size: 13px; color: var(--ink-2); line-height: 1.45; }
.card__foot { margin-top: auto; display: flex; align-items: center; justify-content: space-between; border-top: 1px solid var(--line); padding-top: 12px; }

.two-col { display: grid; grid-template-columns: 1fr 360px; gap: 56px; }
.feed { list-style: none; margin: 0; padding: 0; }
.feed li { padding: 22px 0; border-bottom: 1px solid var(--line); display: flex; justify-content: space-between; gap: 24px; align-items: flex-start; }
.feed li:first-child { padding-top: 0; }
.feed li:last-child { border-bottom: 0; }
.feed__tag { display: block; margin-bottom: 9px; }
.feed h3 { margin: 0; font-size: 19px; font-weight: 700; }
.feed a:hover h3 { color: var(--blue); }
.feed .meta { white-space: nowrap; padding-top: 2px; }

.popular { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); padding: 26px; }
.popular h3 { margin: 0 0 10px; font-size: 13px; text-transform: uppercase; letter-spacing: .08em; color: var(--blue); font-family: var(--font-head); }
.popular ol { list-style: none; margin: 0; padding: 0; counter-reset: pop; }
.popular li { counter-increment: pop; display: flex; gap: 16px; padding: 14px 0; }
.popular li:first-child { padding-top: 4px; }
.popular li:last-child { padding-bottom: 4px; }
.popular li::before {
  content: counter(pop, decimal-leading-zero);
  font-family: var(--font-head); font-weight: 800; font-size: 20px;
  color: #c9d7f2; line-height: 1.2; min-width: 26px;
}
.popular__t a { font-size: 14.5px; font-weight: 700; line-height: 1.3; display: block; margin-bottom: 6px; }
.popular__t a:hover { color: var(--blue); }

.newsletter {
  background: var(--bg-soft); border: 1px solid var(--line);
  border-radius: 22px; padding: 40px 46px;
  display: flex; align-items: center; justify-content: space-between; gap: 36px; flex-wrap: wrap;
}
.newsletter__main { display: flex; align-items: center; gap: 22px; }
.newsletter__icon { width: 58px; height: 58px; border-radius: 16px; background: #fff; color: var(--blue); display: grid; place-items: center; flex: none; box-shadow: var(--shadow); }
.newsletter__text h2 { margin: 0 0 6px; font-size: 26px; }
.newsletter__text p { margin: 0; color: var(--ink-2); font-size: 15px; }
.newsletter__form { display: flex; gap: 12px; }
.newsletter__form input { width: 200px; border: 1px solid #c7d6f5; border-radius: 999px; padding: 13px 20px; font-size: 14px; background: #fff; outline: none; }
.newsletter__form input:focus { border-color: var(--blue); }

.cats { display: grid; grid-template-columns: repeat(8, 1fr); gap: 18px; }
.cat { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius-sm); box-shadow: var(--shadow); padding: 26px 10px; text-align: center; transition: transform .15s, box-shadow .2s; }
.cat:hover { transform: translateY(-3px); box-shadow: var(--shadow-hover); }
.cat:hover span:last-child { color: var(--blue); }
.cat__icon { width: 50px; height: 50px; margin: 0 auto 12px; border-radius: 50%; background: #eef1f7; color: var(--blue); display: grid; place-items: center; }
.cat span:last-child { font-size: 14px; font-weight: 600; font-family: var(--font-head); }

.page-head { background: var(--bg-soft); border-bottom: 1px solid var(--line); padding: 36px 0 44px; }
.crumbs { font-size: 13px; color: var(--muted); margin-bottom: 18px; }
.crumbs a:hover { color: var(--blue); }
.crumbs span { margin: 0 8px; }
.page-head h1 { margin: 0 0 14px; font-size: 46px; }
.page-head p { margin: 0; max-width: 620px; color: var(--ink-2); font-size: 16px; }
.page-head .meta { margin-top: 20px; }

.article-list { display: flex; flex-direction: column; }
.art-row {
  display: grid; grid-template-columns: 300px 1fr; gap: 32px; align-items: center;
  padding: 28px 0; border-bottom: 1px solid var(--line);
}
.art-row:first-child { padding-top: 6px; }
.art-row:last-child { border-bottom: 0; }
.art-row .ph { aspect-ratio: 16/10; border-radius: var(--radius); }
.art-row__body { display: flex; flex-direction: column; gap: 12px; }
.art-row__body h2 { margin: 0; font-size: 24px; font-weight: 700; }
.art-row:hover .art-row__body h2 { color: var(--blue); }
.art-row__body p { margin: 0; color: var(--ink-2); font-size: 15px; }
.art-row__body .meta { display: flex; width: 100%; padding-top: 14px; margin-top: 2px; }

.about-intro { background: var(--bg-soft); border-bottom: 1px solid var(--line); padding: 56px 0 64px; }
.about-intro .eyebrow { display: block; margin-bottom: 18px; }
.about-intro h1 { font-size: 50px; line-height: 1.08; margin: 0 0 22px; max-width: 860px; }
.about-intro > .container > p { max-width: 680px; margin: 0; color: var(--ink-2); font-size: 17px; }

.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 70px; }
.about-grid h3 { font-size: 22px; margin: 0 0 14px; }
.about-grid p { margin: 0; color: var(--ink-2); font-size: 16px; line-height: 1.6; }

.team-section { background: var(--bg-soft); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.team-section__note { margin: -12px 0 28px; color: var(--ink-2); }
.team { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.member { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); padding: 24px; }
.member__top { display: flex; gap: 14px; align-items: center; margin-bottom: 14px; }
.member__ava { width: 48px; height: 48px; border-radius: 50%; background: var(--blue); color: #fff; display: grid; place-items: center; font-weight: 700; font-family: var(--font-head); flex: none; }
.member__name { font-weight: 700; font-size: 15px; font-family: var(--font-head); }
.member__role { font-size: 11.5px; color: var(--blue); font-weight: 700; text-transform: uppercase; letter-spacing: .04em; }
.member p { margin: 0; color: var(--ink-2); font-size: 13.5px; line-height: 1.5; }

.contacts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.contact {
  display: flex; flex-direction: column; align-items: flex-start; text-align: left;
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px;
}
.contact__icon { color: var(--blue); margin-bottom: 16px; }
.contact h4 { margin: 0 0 12px; font-size: 12.5px; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); }
.contact p { margin: 0; font-size: 15px; color: var(--ink); line-height: 1.6; }
.contact p a { color: var(--blue); }
.contact p a:hover { text-decoration: underline; }

.map-ph { margin-top: 22px; height: 360px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--card); }

.article { background: var(--bg-soft); }
.article__wrap { max-width: 760px; margin: 0 auto; padding: 44px 30px 70px; }
.article h1 { font-size: 42px; line-height: 1.12; margin: 16px 0 18px; }
.article__hero { border-radius: var(--radius); overflow: hidden; aspect-ratio: 16/9; margin: 30px 0 34px; box-shadow: var(--shadow); }
.article__body p { font-size: 17px; line-height: 1.78; color: #2a3346; margin: 0 0 22px; }
.article__body .lead { font-weight: 700; color: var(--ink); font-size: 18.5px; line-height: 1.6; margin-bottom: 26px; }
.article__back { margin-top: 40px; border-top: 1px solid var(--line); padding-top: 28px; }
.article__back a { display: inline-flex; align-items: center; gap: 10px; color: var(--blue); font-weight: 600; font-size: 15px; }
.article__back a:hover { text-decoration: underline; }
.article__back svg { width: 20px; height: 20px; }

.footer { background: var(--bg-soft); border-top: 1px solid var(--line); padding: 34px 0; margin-top: 6px; }
.footer__row { display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.footer__links { display: flex; gap: 26px; font-size: 14px; color: var(--ink-2); }
.footer__links a:hover { color: var(--blue); }
.footer__copy { font-size: 13px; color: var(--muted); }

@media (max-width: 1180px) {
  .cards5 { grid-template-columns: repeat(3, 1fr); }
  .cats { grid-template-columns: repeat(4, 1fr); }
}

@media (max-width: 1024px) {
  .hero { grid-template-columns: 1fr; gap: 24px; }
}

@media (max-width: 980px) {
  .nav { display: none; }
  .burger { display: grid; }
  .two-col { grid-template-columns: 1fr; gap: 40px; }
  .team { grid-template-columns: repeat(2, 1fr); }
  .contacts { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; gap: 34px; }
  .nav.is-open {
    display: flex; flex-direction: column;
    position: absolute; top: 100%; left: 0; right: 0;
    background: #fff; border-bottom: 1px solid var(--line);
    padding: 12px 30px 18px; gap: 2px; box-shadow: var(--shadow);
  }
  .nav.is-open a { padding: 12px; }
}

@media (max-width: 720px) {
  .section { padding-top: 56px; padding-bottom: 56px; }
  .section--tight { padding-top: 34px; padding-bottom: 34px; }

  .header__actions .btn { display: none; }

  .hero__feature { flex-direction: column; padding: 0; overflow: hidden; }
  .hero__feature-body { width: 100%; padding: 26px; }
  .hero__img { position: static; width: 100%; aspect-ratio: 16/10; border-top-right-radius: 0; order: -1; }
  .hero__feature h1 { font-size: 30px; }

  .cards5 { grid-template-columns: repeat(2, 1fr); }
  .cats { grid-template-columns: repeat(3, 1fr); }
  .topbar__promo span.txt { display: none; }
  .topbar__links { gap: 14px; }

  .newsletter { flex-direction: column; align-items: stretch; padding: 30px; }
  .newsletter__main { gap: 16px; }
  .newsletter__form { flex-direction: column; width: 100%; }
  .newsletter__form input { width: 100%; }
  .newsletter__form .btn { justify-content: center; }

  .art-row { grid-template-columns: 1fr; gap: 16px; }
  .art-row .ph { aspect-ratio: 16/9; }
  .page-head h1, .about-intro h1, .article h1 { font-size: 30px; }
  .section__head h2 { font-size: 22px; }
}

@media (max-width: 480px) {
  .container { padding-left: 18px; padding-right: 18px; }
  .cards5 { grid-template-columns: 1fr; }
  .cats { grid-template-columns: repeat(2, 1fr); }
  .team { grid-template-columns: 1fr; }
  .logo__sub { display: none; }
  .topbar { font-size: 12px; }
  .newsletter__main { flex-direction: column; align-items: flex-start; gap: 14px; }
}