/* METS Novi Sad – базовые стили */

:root {
  --teal: #1aa5a4;
  --teal-dark: #137f7e;
  --ink: #14202a;
  --ink-soft: #3a4856;
  --muted: #7a8896;
  --bg: #fafbfc;
  --card: #ffffff;
  --border: #e4e9ee;
  --max-w: 1080px;
  --radius: 10px;
  --shadow: 0 2px 12px rgba(20, 32, 42, 0.06);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 17px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

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

a:hover {
  text-decoration: underline;
}

/* Шапка */

.site-header {
  background: #fff;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--ink);
  font-weight: 700;
  font-size: 18px;
  letter-spacing: 0.5px;
}

.logo img {
  height: 40px;
  width: auto;
  display: block;
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.logo-text span:last-child {
  color: var(--teal);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.6px;
}

.nav {
  display: flex;
  gap: 22px;
  font-size: 15px;
}

.nav a {
  color: var(--ink-soft);
  font-weight: 500;
}

.nav a.active,
.nav a:hover {
  color: var(--teal);
  text-decoration: none;
}

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 6px 10px;
  font-size: 18px;
  cursor: pointer;
  color: var(--ink);
}

.lang-switch {
  display: flex;
  gap: 0;
  margin-left: 8px;
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
}

.lang-switch a {
  padding: 6px 10px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.5px;
  color: var(--muted);
  background: #fff;
  text-transform: uppercase;
}

.lang-switch a.active {
  background: var(--teal);
  color: #fff;
}

.lang-switch a:hover:not(.active) {
  background: #f0f7f7;
  color: var(--teal-dark);
  text-decoration: none;
}

/* Герой */

.hero {
  background: linear-gradient(135deg, #f0f7f7 0%, #fafbfc 100%);
  padding: 72px 24px 56px;
  border-bottom: 1px solid var(--border);
}

.hero-inner {
  max-width: var(--max-w);
  margin: 0 auto;
}

.hero h1 {
  margin: 0 0 16px;
  font-size: 38px;
  line-height: 1.2;
  color: var(--ink);
  font-weight: 700;
  max-width: 720px;
}

.hero .lead {
  font-size: 19px;
  color: var(--ink-soft);
  max-width: 680px;
  margin: 0 0 24px;
}

/* Основной контейнер */

main {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 56px 24px;
}

section + section {
  margin-top: 56px;
}

h2 {
  font-size: 26px;
  color: var(--ink);
  margin: 0 0 16px;
  font-weight: 700;
}

h3 {
  font-size: 19px;
  color: var(--ink);
  margin: 24px 0 10px;
  font-weight: 600;
}

p {
  margin: 0 0 14px;
  color: var(--ink-soft);
}

ul {
  padding-left: 22px;
  color: var(--ink-soft);
}

ul li {
  margin-bottom: 6px;
}

/* Карточки направлений */

.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  display: flex;
  flex-direction: column;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.card h3 {
  margin-top: 0;
  font-size: 18px;
  color: var(--teal-dark);
}

.card p {
  flex-grow: 1;
  font-size: 15px;
}

.card a.more {
  margin-top: 12px;
  font-weight: 600;
  align-self: flex-start;
}

.card a.more::after {
  content: " →";
}

/* Блок с фактами / реквизитами */

.facts {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 28px;
}

.facts dl {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 8px 24px;
  margin: 0;
}

.facts dt {
  font-weight: 600;
  color: var(--muted);
  font-size: 14px;
}

.facts dd {
  margin: 0;
  color: var(--ink);
  font-size: 15px;
}

/* Подвал */

.site-footer {
  background: var(--ink);
  color: #b8c4d0;
  padding: 36px 24px 28px;
  margin-top: 64px;
}

.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 32px;
  font-size: 14px;
}

.site-footer h4 {
  color: #fff;
  margin: 0 0 10px;
  font-size: 15px;
}

.site-footer a {
  color: #b8c4d0;
}

.site-footer a:hover {
  color: #fff;
}

.copyright {
  max-width: var(--max-w);
  margin: 28px auto 0;
  padding-top: 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 13px;
  color: #7a8896;
}

/* Мобильные */

@media (max-width: 760px) {
  .hero {
    padding: 48px 20px 36px;
  }
  .hero h1 {
    font-size: 28px;
  }
  .hero .lead {
    font-size: 17px;
  }
  main {
    padding: 36px 20px;
  }
  h2 {
    font-size: 22px;
  }
  .cards {
    grid-template-columns: 1fr;
  }
  .nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    padding: 12px 24px 16px;
    gap: 12px;
  }
  .nav.open {
    display: flex;
  }
  .nav-toggle {
    display: block;
  }
  .footer-inner {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .facts dl {
    grid-template-columns: 1fr;
    gap: 4px 0;
  }
  .facts dt {
    margin-top: 8px;
  }
}