/* ===== Геофорум 2026 — зелено-коричневая палитра ===== */
:root {
  --forest: #1f3d2b;        /* глубокий зеленый */
  --forest-700: #2c5239;
  --moss: #4a7c54;          /* мох */
  --moss-light: #6fa178;
  --olive: #7c8a4e;         /* олива-акцент */
  --bark: #5a4226;          /* кора/коричневый */
  --bark-700: #423018;
  --clay: #a9743f;          /* глина */
  --sand: #d9c7a3;          /* песок */
  --cream: #f6f1e6;         /* кремовый фон */
  --cream-2: #efe7d6;
  --ink: #211b12;           /* основной текст */
  --muted: #6b6354;
  --line: #e2d8c4;
  --white: #fffdf8;

  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 18px 50px -24px rgba(33, 27, 18, 0.45);
  --shadow-sm: 0 8px 24px -16px rgba(33, 27, 18, 0.4);
  --container: 1160px;
  --header-h: 72px;
  --font: "Manrope", system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  --serif: "Prata", Georgia, serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: var(--header-h); }

body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--cream);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { margin: 0; padding: 0; list-style: none; }

.container { width: min(var(--container), 92vw); margin: 0 auto; }

/* ===== Кнопки ===== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 14px 26px; border-radius: 999px; font-weight: 700; font-size: 15px;
  border: 1.5px solid transparent; cursor: pointer; transition: .25s ease;
  letter-spacing: .2px; line-height: 1;
}
.btn-sm { padding: 10px 18px; font-size: 14px; }
.btn-block { width: 100%; }
.btn-primary { background: var(--moss); color: var(--white); box-shadow: var(--shadow-sm); }
.btn-primary:hover { background: var(--forest-700); transform: translateY(-2px); }
.btn-outline { border-color: rgba(255,255,255,.5); color: var(--white); }
.btn-outline:hover { background: rgba(255,255,255,.12); border-color: #fff; }
.section .btn-outline { border-color: var(--moss); color: var(--forest); }
.section .btn-outline:hover { background: var(--moss); color: #fff; }

/* ===== Шапка ===== */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: var(--header-h);
  background: rgba(31, 61, 43, .14);
  backdrop-filter: blur(8px);
  transition: background .3s ease, box-shadow .3s ease;
}
.site-header.scrolled {
  background: var(--forest);
  box-shadow: 0 6px 30px -18px rgba(0,0,0,.6);
}
.header-inner { display: flex; align-items: center; gap: 24px; height: var(--header-h); }
.brand { display: flex; align-items: center; gap: 12px; color: #fff; }
.brand-mark { display: grid; place-items: center; width: 40px; height: 40px; border-radius: 12px; background: var(--moss); }
.brand-mark svg { fill: #fff; }
.brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.brand-text strong { font-size: 17px; letter-spacing: 2px; }
.brand-text em { font-style: normal; font-size: 11px; opacity: .82; letter-spacing: .5px; }

.main-nav { display: flex; gap: 22px; margin-left: auto; }
.main-nav a { color: #fff; font-weight: 600; font-size: 14.5px; opacity: .9; position: relative; padding: 4px 0; }
.main-nav a::after { content: ""; position: absolute; left: 0; bottom: -2px; width: 0; height: 2px; background: var(--sand); transition: width .25s; }
.main-nav a:hover { opacity: 1; }
.main-nav a:hover::after { width: 100%; }
.header-cta { white-space: nowrap; }

.burger { display: none; flex-direction: column; gap: 5px; background: none; border: 0; cursor: pointer; padding: 8px; }
.burger span { width: 24px; height: 2px; background: #fff; border-radius: 2px; transition: .3s; }
.burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger.open span:nth-child(2) { opacity: 0; }
.burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===== Hero ===== */
.hero {
  position: relative; padding: calc(var(--header-h) + 70px) 0 0; color: #fff;
  background:
    linear-gradient(180deg, rgba(20,40,28,.55), rgba(20,40,28,.78)),
    radial-gradient(circle at 75% 20%, rgba(124,138,78,.5), transparent 55%),
    linear-gradient(135deg, #1f3d2b 0%, #2c5239 45%, #5a4226 100%);
  background-size: cover; background-position: center;
  overflow: hidden;
}
.hero.has-image { background-image:
    linear-gradient(180deg, rgba(20,40,28,.5), rgba(20,40,28,.82)),
    var(--hero-img); }
.hero-overlay { position: absolute; inset: 0; background:
  radial-gradient(circle at 15% 85%, rgba(169,116,63,.35), transparent 45%); pointer-events: none; }
.hero-inner { position: relative; padding-bottom: 56px; }
.hero-badges { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 44px; }
.pill {
  display: inline-flex; align-items: center; padding: 9px 18px; border-radius: 999px;
  background: var(--sand); color: var(--bark-700); font-weight: 700; font-size: 14px;
}
.pill-ghost { background: rgba(255,255,255,.14); color: #fff; border: 1px solid rgba(255,255,255,.35); }
.hero-title { font-family: var(--serif); font-weight: 400; font-size: clamp(34px, 5.4vw, 64px); line-height: 1.3; margin: 0 0 20px; }
.hero-title span { color: var(--sand); }
.hero-tagline { font-size: clamp(16px, 2vw, 20px); max-width: 640px; opacity: .92; margin: 0 0 52px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

.hero-regions { position: relative; border-top: 1px solid rgba(255,255,255,.15); background: rgba(0,0,0,.18); padding: 16px 0; }
.hero-regions .container { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.hero-regions-label { font-size: 13px; text-transform: uppercase; letter-spacing: 1.5px; opacity: .7; }
.hero-regions ul { display: flex; gap: 10px; flex-wrap: wrap; }
.hero-regions li { padding: 6px 14px; border-radius: 999px; background: rgba(255,255,255,.1); font-size: 14px; font-weight: 600; }

/* ===== Секции (общее) ===== */
.section { padding: 84px 0; }
.section-alt { background: var(--cream-2); }
.section-head { max-width: 760px; margin: 0 0 44px; }
.eyebrow { display: inline-block; text-transform: uppercase; letter-spacing: 2.5px; font-size: 12.5px; font-weight: 700; color: var(--clay); margin-bottom: 12px; }
.section-head h2 { font-family: var(--serif); font-weight: 400; font-size: clamp(28px, 3.6vw, 42px); line-height: 1.12; margin: 0 0 14px; color: var(--forest); }
.section-lead { color: var(--muted); font-size: 17px; margin: 0; }

/* О Форуме */
.about-grid { display: grid; grid-template-columns: 1.6fr 1fr; gap: 40px; align-items: start; }
.about-text p { margin: 0 0 18px; font-size: 17px; }
.about-card { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; box-shadow: var(--shadow-sm); position: sticky; top: calc(var(--header-h) + 16px); }
.about-card h3 { margin: 0 0 18px; font-size: 20px; color: var(--forest); }
.about-facts li { display: flex; justify-content: space-between; gap: 12px; padding: 12px 0; border-bottom: 1px solid var(--line); font-size: 15px; }
.about-facts li:last-of-type { border-bottom: 0; }
.about-facts span { color: var(--muted); }
.about-facts b { text-align: right; color: var(--ink); }
.about-card .btn { margin-top: 18px; }

/* Направления */
.sections-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.sec-card { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; box-shadow: var(--shadow-sm); transition: .25s; position: relative; overflow: hidden; }
.sec-card::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 5px; background: linear-gradient(var(--moss), var(--clay)); }
.sec-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.sec-no { font-family: var(--serif); font-size: 40px; color: var(--sand); line-height: 1; }
.sec-card h3 { font-size: 20px; color: var(--forest); margin: 8px 0 16px; }
.sec-card ul li { position: relative; padding-left: 22px; margin-bottom: 9px; font-size: 14.5px; color: var(--muted); }
.sec-card ul li::before { content: ""; position: absolute; left: 4px; top: 9px; width: 7px; height: 7px; border-radius: 2px; background: var(--moss); transform: rotate(45deg); }

.plenary-themes { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 30px; }
.theme-card { background: var(--forest); color: #fff; border-radius: var(--radius); padding: 24px; }
.theme-card span { display: inline-block; font-size: 12px; text-transform: uppercase; letter-spacing: 1.5px; color: var(--sand); margin-bottom: 10px; }
.theme-card p { margin: 0; font-size: 15.5px; line-height: 1.45; }

/* Программа */
.program-tabs { display: inline-flex; gap: 6px; background: var(--cream-2); padding: 6px; border-radius: 999px; margin-bottom: 30px; border: 1px solid var(--line); }
.section-alt .program-tabs { background: var(--white); }
.program-tab { border: 0; background: none; cursor: pointer; padding: 12px 24px; border-radius: 999px; font-family: var(--font); font-weight: 700; font-size: 15px; color: var(--muted); transition: .2s; }
.program-tab.active { background: var(--moss); color: #fff; box-shadow: var(--shadow-sm); }
.program-day-head { display: flex; align-items: center; gap: 14px; margin-bottom: 22px; flex-wrap: wrap; }
.program-day-head .badge { background: var(--clay); color: #fff; padding: 6px 14px; border-radius: 999px; font-size: 13px; font-weight: 700; }
.program-day-head .place { color: var(--muted); font-size: 14.5px; }
.timeline-list { position: relative; }
.timeline-list::before { content: ""; position: absolute; left: 118px; top: 6px; bottom: 6px; width: 2px; background: var(--line); }
.t-item { display: grid; grid-template-columns: 100px 1fr; gap: 28px; padding: 14px 0; position: relative; }
.t-item .t-time { font-weight: 700; color: var(--clay); font-size: 14.5px; text-align: right; }
.t-item .t-body { position: relative; padding-left: 26px; }
.t-item .t-body::before { content: ""; position: absolute; left: -8px; top: 6px; width: 14px; height: 14px; border-radius: 50%; background: var(--moss); border: 3px solid var(--cream); }
.section-alt .t-item .t-body::before { border-color: var(--cream-2); }
.t-item h4 { margin: 0 0 5px; font-size: 17px; color: var(--forest); }
.t-item p { margin: 0; color: var(--muted); font-size: 14.5px; }

/* Публикации */
.pub-grid { display: grid; grid-template-columns: 1fr; gap: 24px; }
.pub-card-wide p { font-size: 17px; color: var(--ink); margin: 0; line-height: 1.65; }
.pub-card { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 32px; box-shadow: var(--shadow-sm); }
.pub-card .tag { display: inline-block; background: var(--sand); color: var(--bark-700); padding: 6px 14px; border-radius: 999px; font-size: 12.5px; font-weight: 700; margin-bottom: 16px; }
.pub-card h3 { font-size: 22px; color: var(--forest); margin: 0 0 12px; }
.pub-card > p { color: var(--muted); margin: 0 0 18px; }
.pub-card ul li { position: relative; padding-left: 26px; margin-bottom: 11px; font-size: 14.5px; }
.pub-card ul li::before { content: "✓"; position: absolute; left: 0; top: 0; color: var(--moss); font-weight: 800; }

/* ДПО */
.dpo { background: linear-gradient(135deg, var(--bark) 0%, var(--bark-700) 100%); color: #fff; }
.dpo-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 44px; align-items: center; }
.dpo .eyebrow { color: var(--sand); }
.dpo h2 { font-family: var(--serif); font-weight: 400; font-size: clamp(26px, 3.4vw, 38px); margin: 0 0 16px; }
.dpo-text p { opacity: .9; font-size: 16.5px; }
.dpo-price { display: inline-flex; flex-direction: column; margin-top: 22px; padding: 16px 28px; border-radius: var(--radius-sm); background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.2); }
.dpo-price span { font-size: 13px; opacity: .8; }
.dpo-price strong { font-family: var(--serif); font-size: 34px; color: var(--sand); }
.dpo-modules { display: grid; gap: 12px; }
.dpo-modules li { background: rgba(255,255,255,.08); border-radius: var(--radius-sm); padding: 16px 18px 16px 50px; position: relative; font-size: 15px; }
.dpo-modules li::before { counter-increment: dpo; content: counter(dpo, decimal-leading-zero); position: absolute; left: 16px; top: 14px; font-family: var(--serif); color: var(--sand); font-size: 17px; }
.dpo-modules { counter-reset: dpo; }

/* Регистрация / взносы */
.pricing-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.price-card { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px 24px; box-shadow: var(--shadow-sm); display: flex; flex-direction: column; }
.price-card.featured { border-color: var(--moss); box-shadow: 0 22px 50px -24px rgba(74,124,84,.7); position: relative; }
.price-card.featured::after { content: "Рекомендуем"; position: absolute; top: -12px; right: 20px; background: var(--clay); color: #fff; font-size: 12px; font-weight: 700; padding: 5px 12px; border-radius: 999px; }
.price-card h3 { font-size: 17px; color: var(--forest); margin: 0 0 14px; min-height: 46px; }
.price-amount { font-family: var(--serif); font-size: 34px; color: var(--bark); line-height: 1; }
.price-amount small { display: block; font-family: var(--font); font-size: 13px; color: var(--muted); margin-top: 4px; font-weight: 600; }
.price-card ul { margin: 20px 0 0; }
.price-card ul li { position: relative; padding-left: 24px; margin-bottom: 10px; font-size: 14px; color: var(--muted); }
.price-card ul li::before { content: "•"; position: absolute; left: 6px; color: var(--moss); font-weight: 800; }
/* Формы */
.reg-form-wrap { margin-top: 48px; background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 36px; box-shadow: var(--shadow-sm); }
.reg-form-wrap h3 { font-size: 24px; color: var(--forest); margin: 0 0 6px; }
.reg-form-lead { color: var(--muted); margin: 0 0 26px; }
.form { display: grid; gap: 16px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { display: flex; flex-direction: column; gap: 7px; }
.field > span, .field legend { font-size: 14px; font-weight: 600; color: var(--ink); }
.field i { color: var(--clay); font-style: normal; }
.field input, .field select, .field textarea {
  font-family: var(--font); font-size: 15px; padding: 13px 15px; border: 1.5px solid var(--line);
  border-radius: var(--radius-sm); background: var(--cream); color: var(--ink); transition: .2s; width: 100%;
}
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--moss); background: #fff; box-shadow: 0 0 0 3px rgba(74,124,84,.15); }
.field textarea { resize: vertical; }
.multiselect { position: relative; }
.multiselect-toggle { width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 10px; font-family: var(--font); font-size: 15px; padding: 13px 15px; border: 1.5px solid var(--line); border-radius: var(--radius-sm); background: var(--cream); color: var(--ink); cursor: pointer; text-align: left; transition: .2s; }
.multiselect.open .multiselect-toggle, .multiselect-toggle:focus { outline: none; border-color: var(--moss); background: #fff; box-shadow: 0 0 0 3px rgba(74,124,84,.15); }
.ms-label.ms-empty { color: var(--muted); }
.ms-caret { color: var(--muted); transition: transform .2s; flex-shrink: 0; }
.multiselect.open .ms-caret { transform: rotate(180deg); }
.multiselect-panel { position: absolute; z-index: 20; top: calc(100% + 6px); left: 0; right: 0; background: #fff; border: 1.5px solid var(--line); border-radius: var(--radius-sm); box-shadow: var(--shadow); padding: 8px; display: none; }
.multiselect.open .multiselect-panel { display: grid; gap: 4px; }
.ms-option { display: flex; align-items: flex-start; gap: 10px; padding: 9px 10px; border-radius: 8px; cursor: pointer; font-size: 14.5px; color: var(--ink); }
.ms-option:hover { background: var(--cream); }
.ms-option input { width: 18px; height: 18px; margin-top: 1px; accent-color: var(--moss); flex-shrink: 0; }
.check-inline { display: flex; align-items: flex-start; gap: 10px; font-size: 14.5px; color: var(--ink); cursor: pointer; }
.check-inline input { width: 18px; height: 18px; margin-top: 2px; accent-color: var(--moss); flex-shrink: 0; }
.check-consent { color: var(--muted); }
.check-group { border: 1.5px solid var(--line); border-radius: var(--radius-sm); padding: 16px 18px; background: var(--cream); }
.check-group legend { padding: 0 8px; }
.check-group #sponsorOptions { display: grid; gap: 10px; margin-top: 8px; }
.form-status { margin: 4px 0 0; font-size: 14.5px; font-weight: 600; min-height: 20px; }
.form-status.ok { color: var(--moss); }
.form-status.err { color: #b3402b; }

/* Сроки / timeline — горизонтальный */
.timeline { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; counter-reset: tl; position: relative; }
.timeline::before { content: ""; position: absolute; left: 20px; right: 20px; top: 20px; height: 2px; background: var(--line); }
.timeline li { position: relative; padding: 60px 0 0; }
.timeline li::before { counter-increment: tl; content: counter(tl); position: absolute; left: 0; top: 0; width: 40px; height: 40px; border-radius: 50%; background: var(--moss); color: #fff; display: grid; place-items: center; font-weight: 700; border: 4px solid var(--cream); }
.timeline li h4 { margin: 0 0 6px; font-size: 17px; color: var(--forest); }
.timeline li p { margin: 0 0 10px; color: var(--muted); font-size: 14.5px; }
.timeline li .when { display: inline-block; background: var(--sand); color: var(--bark-700); padding: 4px 12px; border-radius: 999px; font-size: 13px; font-weight: 700; }

/* Организаторы */
.coorg-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; margin-bottom: 26px; }
.coorg-card { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; box-shadow: var(--shadow-sm); }
.coorg-card .role { color: var(--clay); font-weight: 700; font-size: 13px; text-transform: uppercase; letter-spacing: 1px; }
.coorg-card h3 { font-size: 20px; color: var(--forest); margin: 10px 0 10px; }
.coorg-card p { margin: 0; color: var(--muted); font-size: 15px; }
.committees-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.committee-card { background: var(--cream); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; }
.section-alt .committee-card { background: var(--white); }
.committee-card h3 { font-size: 19px; color: var(--forest); margin: 0 0 8px; }
.committee-card > p { color: var(--muted); font-size: 14.5px; margin: 0 0 16px; }
.committee-card ul li { position: relative; padding-left: 22px; margin-bottom: 9px; font-size: 14.5px; }
.committee-card ul li::before { content: ""; position: absolute; left: 2px; top: 9px; width: 8px; height: 8px; border-radius: 50%; background: var(--clay); }
.participants-info { margin: 26px 0 0; padding: 20px 24px; background: var(--forest); color: #fff; border-radius: var(--radius); font-size: 15.5px; }

/* Спонсоры */
.tiers { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; margin-bottom: 40px; }
.tier { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px 16px; text-align: center; box-shadow: var(--shadow-sm); transition: .25s; }
.tier:hover { transform: translateY(-4px); border-color: var(--moss); }
.tier .tier-ico { width: 52px; height: 52px; margin: 0 auto 14px; border-radius: 14px; background: linear-gradient(135deg, var(--moss), var(--olive)); display: grid; place-items: center; }
.tier .tier-ico svg { width: 26px; height: 26px; fill: #fff; }
.tier span { font-weight: 700; font-size: 15px; color: var(--forest); }
.sponsors-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 36px; align-items: stretch; }
.sponsor-info { display: flex; }
.sponsor-info-card { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px 30px; box-shadow: var(--shadow-sm); width: 100%; display: flex; flex-direction: column; gap: 22px; }
.sponsor-info-block h3 { margin: 0 0 12px; font-size: 18px; color: var(--forest); }
.sponsor-info-block p { margin: 0; font-size: 14.5px; color: var(--muted); line-height: 1.6; }
.sponsor-info-block ul li { position: relative; padding-left: 26px; margin-bottom: 10px; font-size: 14.5px; color: var(--muted); }
.sponsor-info-block ul li:last-child { margin-bottom: 0; }
.sponsor-info-block ul li::before { content: "★"; position: absolute; left: 0; top: 0; color: var(--clay); font-size: 13px; }
.sponsor-form-wrap { margin-top: 0; }

/* FAQ */
#faq .section-head { margin-left: auto; margin-right: auto; text-align: center; }
.faq-list { display: grid; gap: 12px; max-width: 860px; margin: 0 auto; }
.faq-item { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius-sm); overflow: hidden; }
.faq-q { width: 100%; text-align: left; background: none; border: 0; cursor: pointer; padding: 20px 56px 20px 22px; font-family: var(--font); font-weight: 700; font-size: 16.5px; color: var(--forest); position: relative; }
.faq-q::after { content: "+"; position: absolute; right: 22px; top: 50%; transform: translateY(-50%); font-size: 24px; color: var(--clay); transition: transform .25s; }
.faq-item.open .faq-q::after { transform: translateY(-50%) rotate(45deg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .3s ease; }
.faq-a p { margin: 0; padding: 0 22px 22px; color: var(--muted); font-size: 15px; }

/* Контакты */
.contacts-lead { color: var(--muted); font-size: 17px; margin: 0 0 28px; max-width: 600px; }
.contacts-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.contact-card { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; box-shadow: var(--shadow-sm); transition: .25s; display: flex; flex-direction: column; gap: 6px; }
.contact-card:hover { transform: translateY(-4px); border-color: var(--moss); }
.contact-card .c-ico { width: 46px; height: 46px; border-radius: 12px; background: var(--cream-2); display: grid; place-items: center; margin-bottom: 8px; }
.contact-card .c-ico svg { width: 24px; height: 24px; fill: var(--moss); }
.contact-card span { font-size: 13px; color: var(--muted); }
.contact-card a, .contact-card b { font-size: 16px; color: var(--forest); font-weight: 700; word-break: break-word; }

/* Место проведения */
.venue-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.venue-photo { margin: 0; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-sm); border: 1px solid var(--line); min-height: 320px; background: var(--cream-2); }
.venue-photo img { width: 100%; height: 100%; object-fit: cover; display: block; }
.venue-map { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-sm); border: 1px solid var(--line); min-height: 320px; }
.venue-map iframe { width: 100%; height: 100%; min-height: 320px; border: 0; display: block; }
.venue-address { margin-top: 24px; background: var(--forest); color: #fff; border-radius: var(--radius); padding: 24px 28px; display: flex; flex-direction: column; gap: 6px; }
.venue-address strong { font-size: 19px; }
.venue-address span { opacity: .9; font-size: 15.5px; }
.venue-address span:last-child { color: var(--sand); opacity: 1; font-weight: 600; }

/* Footer */
.site-footer { background: var(--forest); color: #fff; padding: 56px 0 28px; }
.footer-inner { display: flex; justify-content: space-between; gap: 40px; flex-wrap: wrap; padding-bottom: 30px; border-bottom: 1px solid rgba(255,255,255,.15); }
.footer-brand strong { font-family: var(--serif); font-weight: 400; font-size: 22px; line-height: 1.2; display: block; margin-bottom: 12px; }
.footer-brand p { margin: 4px 0; opacity: .8; font-size: 14.5px; }
.footer-org { color: var(--sand) !important; opacity: 1 !important; }
.footer-nav { display: grid; grid-template-columns: repeat(2, auto); gap: 10px 36px; align-content: start; }
.footer-nav a { opacity: .85; font-size: 14.5px; font-weight: 600; }
.footer-nav a:hover { opacity: 1; color: var(--sand); }
.footer-bottom { padding-top: 22px; font-size: 13.5px; opacity: .7; }

/* Кнопка наверх */
.to-top { position: fixed; right: 22px; bottom: 22px; width: 48px; height: 48px; border-radius: 50%; background: var(--moss); color: #fff; display: grid; place-items: center; font-size: 22px; box-shadow: var(--shadow); opacity: 0; visibility: hidden; transform: translateY(12px); transition: .3s; z-index: 90; }
.to-top.show { opacity: 1; visibility: visible; transform: translateY(0); }
.to-top:hover { background: var(--forest-700); }

/* ===== Адаптив ===== */
@media (max-width: 1080px) {
  .tiers { grid-template-columns: repeat(3, 1fr); }
  .contacts-grid { grid-template-columns: repeat(2, 1fr); }
  .pricing-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 860px) {
  .main-nav { position: fixed; inset: var(--header-h) 0 auto 0; flex-direction: column; gap: 0; background: var(--forest); padding: 10px 6vw 24px; transform: translateY(-130%); transition: transform .35s ease; box-shadow: 0 20px 40px -20px rgba(0,0,0,.6); }
  .main-nav.open { transform: translateY(0); }
  .main-nav a { padding: 14px 0; border-bottom: 1px solid rgba(255,255,255,.1); width: 100%; }
  .burger { display: flex; margin-left: auto; }
  .header-cta { display: none; }
  .site-header { background: var(--forest); }
  .about-grid, .pub-grid, .dpo-inner, .sponsors-grid, .venue-grid { grid-template-columns: 1fr; }
  .about-card { position: static; }
  .sections-grid, .plenary-themes, .coorg-grid, .committees-grid { grid-template-columns: 1fr; }
  .timeline { grid-template-columns: 1fr; gap: 0; }
  .timeline::before { left: 20px; right: auto; top: 14px; bottom: 14px; width: 2px; height: auto; }
  .timeline li { padding: 0 0 28px 60px; }
}
@media (max-width: 600px) {
  .section { padding: 60px 0; }
  .pricing-grid, .tiers, .contacts-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .t-item { grid-template-columns: 78px 1fr; gap: 14px; }
  .timeline-list::before { left: 96px; }
  .reg-form-wrap { padding: 24px 20px; }
  .hero-title { font-size: 32px; }
}
