/* =========================================================
   МИММФ / IIMBM — институциональная тема
   ========================================================= */

:root {
  --blue-deep: #1c3f6e;
  --blue-mid: #2a5590;
  --blue-pale: #e8eef6;
  --gray-bg: #f4f5f7;
  --gray-line: #d4d9e0;
  --gray-text: #3a3f47;
  --gray-muted: #6b7280;
  --accent: #9a7b2d; /* сдержанное «лавровое» золото */
  --serif: Georgia, "Times New Roman", serif;
  --sans: system-ui, "Segoe UI", Arial, sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: var(--sans);
  color: var(--gray-text);
  background: #fff;
  line-height: 1.6;
  font-size: 16px;
}

h1, h2, h3, h4 { font-family: var(--serif); color: var(--blue-deep); line-height: 1.25; }
h1 { font-size: 2rem; margin: 0 0 .5em; }
h2 { font-size: 1.5rem; margin: 2em 0 .6em; }
h3 { font-size: 1.15rem; margin: 1.4em 0 .5em; }

a { color: var(--blue-mid); }
a:hover { color: var(--blue-deep); }

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

/* ---------- Верхняя служебная полоса ---------- */
.topbar {
  background: var(--blue-deep);
  color: #cdd9ea;
  font-size: .78rem;
  padding: 4px 0;
}
.topbar .container { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.topbar-right { display: flex; gap: 14px; align-items: center; flex-wrap: wrap; }

/* ---------- Переключатель языков ---------- */
.lang-switch { white-space: nowrap; letter-spacing: .06em; }
.lang-switch a, .lang-switch .current { padding: 0 3px; }
.lang-switch a { color: #9fb4d1; text-decoration: none; }
.lang-switch a:hover { color: #fff; text-decoration: underline; }
.lang-switch .current { color: #fff; font-weight: 700; }

/* ---------- Header ---------- */
header.site-header {
  border-bottom: 3px solid var(--blue-deep);
  background: #fff;
}
.brand {
  display: flex; align-items: center; gap: 16px;
  padding: 18px 0 14px;
}
.brand::before {
  content: "";
  flex: 0 0 64px;
  width: 64px;
  height: 64px;
  background: url("IIMBM_logo_vector.svg") center / contain no-repeat;
}
.brand svg { display: none; }
.brand-titles { min-width: 0; }
.brand-name {
  font-family: var(--serif);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--blue-deep);
  margin: 0;
}
.brand-sub {
  font-size: .8rem;
  color: var(--gray-muted);
  margin: 2px 0 0;
  letter-spacing: .02em;
}

nav.main-nav { background: var(--blue-mid); }
nav.main-nav ul {
  list-style: none; margin: 0; padding: 0;
  display: flex; flex-wrap: wrap;
}
nav.main-nav a {
  display: block;
  padding: 10px 16px;
  color: #fff;
  text-decoration: none;
  font-size: .92rem;
}
nav.main-nav a:hover { background: var(--blue-deep); color: #fff; }
nav.main-nav li.active a { background: var(--blue-deep); font-weight: 600; }

/* ---------- Hero ---------- */
.hero {
  background: linear-gradient(160deg, var(--blue-deep) 0%, var(--blue-mid) 100%);
  color: #fff;
  padding: 56px 0 48px;
}
.hero h1 { color: #fff; font-size: 2.2rem; max-width: 720px; }
.hero p.lead { max-width: 680px; font-size: 1.05rem; color: #dbe5f2; }
.hero .motto {
  font-family: var(--serif);
  font-style: italic;
  color: #b9cbe4;
  margin-top: 4px;
}

/* ---------- Счётчик ГИМФ ---------- */
.gimf-panel {
  background: #fff;
  border: 1px solid var(--gray-line);
  border-top: 4px solid var(--accent);
  padding: 20px 24px;
  margin-top: 28px;
  max-width: 460px;
  color: var(--gray-text);
  box-shadow: 0 2px 8px rgba(0,0,0,.12);
}
.gimf-panel .label { font-size: .78rem; text-transform: uppercase; letter-spacing: .08em; color: var(--gray-muted); }
.gimf-value {
  font-family: var(--serif);
  font-size: 2.6rem;
  color: var(--blue-deep);
  font-variant-numeric: tabular-nums;
  margin: 4px 0 0;
}
.gimf-value .unit { font-size: 1rem; color: var(--gray-muted); }
.gimf-trend { font-size: .82rem; color: #a03c3c; margin-top: 4px; }
.gimf-note { font-size: .74rem; color: var(--gray-muted); margin-top: 8px; }

/* ---------- Карточки ---------- */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 20px; margin: 32px 0; }
.card {
  border: 1px solid var(--gray-line);
  border-top: 4px solid var(--blue-mid);
  padding: 20px 22px;
  background: #fff;
}
.card h3 { margin-top: 0; }
.card p { font-size: .92rem; color: var(--gray-muted); }
.card a.more { font-size: .88rem; font-weight: 600; text-decoration: none; }

/* ---------- Институт в цифрах ---------- */
.stats-band { background: var(--blue-pale); padding: 36px 0; margin: 40px 0 0; }
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 20px; text-align: center; }
.stat .num { font-family: var(--serif); font-size: 2.2rem; color: var(--blue-deep); font-weight: 700; }
.stat .cap { font-size: .82rem; color: var(--gray-muted); }

/* ---------- Контентные секции ---------- */
main { padding: 36px 0 56px; }
.page-title {
  border-bottom: 2px solid var(--gray-line);
  padding-bottom: 12px;
  margin-bottom: 24px;
}
.page-title .crumbs { font-size: .78rem; color: var(--gray-muted); margin-bottom: 6px; }

.two-col { display: grid; grid-template-columns: 2fr 1fr; gap: 36px; }
@media (max-width: 800px) { .two-col { grid-template-columns: 1fr; } }

aside.sidebox {
  background: var(--gray-bg);
  border: 1px solid var(--gray-line);
  padding: 18px 20px;
  font-size: .9rem;
}
aside.sidebox h3 { margin-top: 0; font-size: 1rem; }
.institutional-mark {
  margin: 0 auto 24px;
  max-width: 300px;
  padding: 12px;
  background: #fff;
  border: 1px solid var(--gray-line);
}
.institutional-mark img {
  display: block;
  width: 100%;
  height: auto;
}

/* ---------- Таблицы ---------- */
.table-wrap { overflow-x: auto; }
table.data-table {
  border-collapse: collapse;
  width: 100%;
  font-size: .88rem;
  min-width: 640px;
}
.data-table th {
  background: var(--blue-deep);
  color: #fff;
  text-align: left;
  padding: 8px 12px;
  font-weight: 600;
}
.data-table td { padding: 8px 12px; border-bottom: 1px solid var(--gray-line); }
.data-table tr:nth-child(even) td { background: var(--gray-bg); }
.data-table caption {
  caption-side: bottom;
  font-size: .76rem;
  color: var(--gray-muted);
  text-align: left;
  padding-top: 8px;
}

/* ---------- Графики ---------- */
.chart-block {
  border: 1px solid var(--gray-line);
  padding: 20px;
  margin: 24px 0;
  background: #fff;
}
.chart-block h3 { margin-top: 0; }
.chart-wrap { position: relative; height: 380px; }
@media (max-width: 640px) { .chart-wrap { height: 280px; } }
.chart-src { font-size: .74rem; color: var(--gray-muted); margin-top: 10px; }

/* ---------- Публикации ---------- */
.pub { border-bottom: 1px solid var(--gray-line); padding: 18px 0; }
.pub h3 { margin: 0 0 4px; }
.pub .meta { font-size: .82rem; color: var(--gray-muted); }
.pub .doi { font-family: monospace; font-size: .8rem; }
.pub .abstract { font-size: .92rem; margin-top: 8px; }

/* ---------- Новости ---------- */
.news-item { border-left: 4px solid var(--blue-mid); padding: 4px 0 4px 18px; margin: 26px 0; }
.news-item .date { font-size: .8rem; color: var(--gray-muted); text-transform: uppercase; letter-spacing: .05em; }
.news-item h3 { margin: 4px 0 8px; }
.press-tag {
  display: inline-block; background: var(--blue-pale); color: var(--blue-deep);
  font-size: .72rem; padding: 2px 8px; border-radius: 2px; margin-left: 8px;
  vertical-align: middle; letter-spacing: .04em;
}

/* ---------- FAQ ---------- */
details.faq {
  border: 1px solid var(--gray-line);
  margin: 12px 0;
  background: #fff;
}
details.faq summary {
  cursor: pointer;
  padding: 14px 18px;
  font-family: var(--serif);
  font-weight: 600;
  color: var(--blue-deep);
  list-style: none;
}
details.faq summary::-webkit-details-marker { display: none; }
details.faq summary::before { content: "▸ "; color: var(--accent); }
details.faq[open] summary::before { content: "▾ "; }
details.faq .answer { padding: 0 18px 16px; font-size: .94rem; }

/* ---------- Формы ---------- */
form.contact-form { max-width: 560px; }
.form-row { margin-bottom: 16px; }
.form-row label { display: block; font-size: .86rem; font-weight: 600; margin-bottom: 4px; }
.form-row input, .form-row select, .form-row textarea {
  width: 100%;
  padding: 9px 10px;
  border: 1px solid var(--gray-line);
  font: inherit;
  background: #fff;
}
.form-row textarea { min-height: 130px; resize: vertical; }
button.btn {
  background: var(--blue-deep);
  color: #fff;
  border: none;
  padding: 11px 26px;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}
button.btn:hover { background: var(--blue-mid); }

.notice {
  background: var(--blue-pale);
  border-left: 4px solid var(--blue-deep);
  padding: 12px 16px;
  font-size: .88rem;
  margin: 20px 0;
}

/* ---------- Руководство ---------- */
.people { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 22px; margin: 20px 0; }
.person { text-align: center; font-size: .88rem; }
.person .portrait {
  width: 110px; height: 110px; margin: 0 auto 10px;
  border-radius: 50%;
  background: var(--blue-pale);
  border: 2px solid var(--gray-line);
  display: block;
  object-fit: cover;
  object-position: center 28%;
  box-shadow: 0 2px 7px rgba(28, 63, 110, .16);
}
.person .name { font-weight: 700; color: var(--blue-deep); }
.person .role { color: var(--gray-muted); font-size: .8rem; }

/* ---------- Footer ---------- */
footer.site-footer {
  background: var(--blue-deep);
  color: #c3d0e2;
  margin-top: 48px;
  font-size: .85rem;
}
footer .cols {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 28px; padding: 36px 0 24px;
}
footer h4 { color: #fff; font-size: .95rem; margin: 0 0 10px; }
footer ul { list-style: none; margin: 0; padding: 0; }
footer li { margin: 5px 0; }
footer a { color: #c3d0e2; text-decoration: none; }
footer a:hover { color: #fff; text-decoration: underline; }
footer .legal {
  border-top: 1px solid rgba(255,255,255,.18);
  padding: 14px 0 18px;
  font-size: .74rem;
  color: #93a7c4;
}
footer .disclaimer { font-size: .68rem; color: #7f94b3; margin-top: 6px; }

@media (max-width: 560px) {
  .hero h1 { font-size: 1.6rem; }
  .brand-name { font-size: 1.05rem; }
}