/* =========================================================================
   Прототип ГКБ №29 — серая палитра: белый → графит
   ========================================================================= */

:root {
  --white:      #ffffff;
  --gray-50:    #f7f8f9;
  --gray-100:   #eef0f2;
  --gray-200:   #e2e5e8;
  --gray-300:   #cdd2d7;
  --gray-400:   #a7aeb5;
  --gray-500:   #7c858d;
  --gray-600:   #5a636b;
  --gray-700:   #3f474e;
  --graphite:   #2b2f34;   /* тёмный — по минимуму */

  --bg:         var(--gray-50);
  --surface:    var(--white);
  --border:     var(--gray-200);
  --text:       var(--gray-700);
  --text-soft:  var(--gray-500);
  --muted:      var(--gray-400);

  --radius:     10px;
  --radius-sm:  6px;
  --maxw:       1200px;
  --shadow:     0 1px 2px rgba(43,47,52,.04), 0 6px 18px rgba(43,47,52,.06);
  --shadow-sm:  0 1px 2px rgba(43,47,52,.05);

  --ff: "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: var(--ff);
  font-size: 16px;
  line-height: 1.55;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }

a { color: var(--gray-600); text-decoration: none; }
a:hover { color: var(--graphite); }

h1,h2,h3,h4 { color: var(--graphite); font-weight: 700; line-height: 1.25; margin: 0 0 .5em; }
h1 { font-size: clamp(22px, 4vw, 34px); }
h2 { font-size: clamp(20px, 3vw, 28px); }
h3 { font-size: 18px; }
p { margin: 0 0 1em; }

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }

/* =========================================================================
   Перетяжка-заглушка прототипа (вверх/вниз) — общая:
   стили и разметка в ../partials/img/partials-rdn/strip.css + strip.js
   ========================================================================= */

/* =========================================================================
   Шапка
   ========================================================================= */
.site-header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 50;
}
.header-top {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 14px 0;
}
.brand { display: flex; align-items: center; gap: 12px; min-width: 0; }
.brand__logo { width: 44px; height: 44px; flex: 0 0 auto; }
.brand__name { font-size: 15px; font-weight: 700; color: var(--graphite); line-height: 1.2; }
.brand__sub  { font-size: 12px; color: var(--text-soft); }
.header-phone {
  margin-left: auto;
  text-align: right;
  line-height: 1.2;
}
.header-phone__num { font-size: 18px; font-weight: 700; color: var(--graphite); white-space: nowrap; }
.header-phone__hint { font-size: 12px; color: var(--text-soft); }

.nav-toggle {
  display: none;
  border: 1px solid var(--border);
  background: var(--white);
  border-radius: var(--radius-sm);
  width: 42px; height: 42px;
  cursor: pointer;
  position: relative;
  flex: 0 0 auto;
}
.nav-toggle span {
  display: block; position: absolute;
  left: 50%; top: 50%;
  transform: translate(-50%, -50%);
  width: 18px; height: 2px;
  background: var(--graphite);
  transition: transform .2s;
}
.nav-toggle span::before,
.nav-toggle span::after {
  content: ""; display: block; position: absolute;
  width: 18px; height: 2px; background: var(--graphite);
  left: 0;
  transition: transform .2s, top .2s;
}
.nav-toggle span::before { top: -6px; }
.nav-toggle span::after  { top: 6px; }

.main-nav { border-top: 1px solid var(--border); }
.main-nav__list {
  list-style: none; margin: 0; padding: 0;
  display: flex; flex-wrap: wrap; gap: 0;
}
.main-nav__list > li { position: relative; }
.main-nav__link {
  display: flex; align-items: center; gap: 6px;
  padding: 14px 18px;
  font-size: 15px; font-weight: 600;
  color: var(--text); border-bottom: 3px solid transparent;
}
.main-nav__link:hover,
.main-nav__list > li:hover > .main-nav__link { color: var(--graphite); background: var(--gray-50); }
.main-nav__link.is-active { color: var(--graphite); border-bottom-color: var(--graphite); }
.main-nav__caret { font-size: 9px; opacity: .6; }

.main-nav__submenu {
  position: absolute; top: 100%; left: 0;
  min-width: 260px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 8px;
  list-style: none; margin: 0;
  opacity: 0; visibility: hidden; transform: translateY(6px);
  transition: opacity .15s, transform .15s, visibility .15s;
  z-index: 60;
}
.main-nav__list > li:hover .main-nav__submenu { opacity: 1; visibility: visible; transform: none; }
.main-nav__submenu a { display: block; padding: 8px 12px; border-radius: var(--radius-sm); font-size: 14px; }
.main-nav__submenu a:hover { background: var(--gray-50); color: var(--graphite); }

.header-cta {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--graphite); color: #fff;
  padding: 10px 18px; border-radius: 999px;
  font-weight: 600; font-size: 14px;
  white-space: nowrap;
}
.header-cta:hover { background: var(--gray-700); color: #fff; }
.header-cta-wrap { display: none; }

/* =========================================================================
   Подвал
   ========================================================================= */
.site-footer {
  background: var(--surface);
  border-top: 1px solid var(--border);
  margin-top: 60px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 32px;
  padding: 40px 0 28px;
}
.footer-grid h4 { font-size: 14px; text-transform: uppercase; letter-spacing: .06em; color: var(--gray-500); margin-bottom: 14px; }
.footer-grid ul { list-style: none; margin: 0; padding: 0; }
.footer-grid li { margin-bottom: 8px; font-size: 14px; }
.footer-grid a { color: var(--text); }
.footer-grid a:hover { color: var(--graphite); }
.footer-about p { font-size: 14px; color: var(--text-soft); }
.footer-contact { font-size: 14px; }
.footer-contact .ph { font-size: 18px; font-weight: 700; color: var(--graphite); display: block; margin-bottom: 8px; }
.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 16px 0;
  font-size: 12.5px; color: var(--text-soft);
}

/* =========================================================================
   Универсальные блоки
   ========================================================================= */
.section { padding: 44px 0; }
.section--tight { padding: 28px 0; }
.section--gray { background: var(--gray-100); }

.eyebrow { font-size: 13px; text-transform: uppercase; letter-spacing: .08em; color: var(--text-soft); margin-bottom: 8px; }

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 22px; border-radius: 999px;
  font-weight: 600; font-size: 15px; cursor: pointer;
  border: 1px solid transparent;
  transition: background .15s, color .15s, border-color .15s;
}
.btn--primary { background: var(--graphite); color: #fff; }
.btn--primary:hover { background: var(--gray-700); color: #fff; }
.btn--ghost { background: transparent; color: var(--graphite); border-color: var(--gray-300); }
.btn--ghost:hover { background: var(--gray-100); }
.btn--light { background: var(--white); color: var(--graphite); border: 1px solid var(--border); }
.btn--light:hover { background: var(--gray-50); }

.breadcrumb { font-size: 13px; color: var(--text-soft); margin: 18px 0; }
.breadcrumb a { color: var(--text-soft); }
.breadcrumb a:hover { color: var(--graphite); }
.breadcrumb span { margin: 0 6px; color: var(--muted); }

.page-title { margin: 6px 0 10px; }
.lead { font-size: 17px; color: var(--gray-600); max-width: 760px; }

/* =========================================================================
   Слайдер
   ========================================================================= */
.hero-slider {
  position: relative; overflow: hidden;
  max-width: var(--maxw); margin: 0 auto;
  padding: 0 20px;
  border-radius: var(--radius);
  background: var(--gray-200);
}
.hero-slide {
  display: none; position: relative;
  min-height: 380px;
}
.hero-slide.is-active { display: block; }
.hero-slide__img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: .85; }
.hero-slide__body {
  position: relative; z-index: 2;
  padding: 56px 40px; max-width: 640px;
  background: linear-gradient(90deg, rgba(247,248,249,.95) 60%, rgba(247,248,249,0));
}
.hero-slide h2 { font-size: clamp(22px,3vw,32px); margin-bottom: 10px; }
.hero-slide p { font-size: 16px; color: var(--gray-600); }
.slider-dots { position: absolute; bottom: 18px; left: 60px; z-index: 3; display: flex; gap: 8px; }
.slider-dots button {
  width: 10px; height: 10px; border-radius: 50%;
  border: none; background: rgba(43,47,52,.25);
  cursor: pointer; padding: 0; transition: background .15s, transform .15s;
}
.slider-dots button.is-active { background: var(--graphite); transform: scale(1.15); }

/* =========================================================================
   Карточки
   ========================================================================= */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  display: flex; flex-direction: column;
  transition: box-shadow .15s, transform .15s;
}
.card:hover { box-shadow: var(--shadow); transform: translateY(-2px); }
.card__media { aspect-ratio: 16/9; background: var(--gray-100); overflow: hidden; }
.card__media img { width: 100%; height: 100%; object-fit: cover; }
.card__body { padding: 18px; flex: 1; display: flex; flex-direction: column; }
.card__title { font-size: 17px; font-weight: 700; color: var(--graphite); margin-bottom: 6px; }
.card__title a { color: inherit; }
.card__title a:hover { color: var(--gray-600); }
.card__text { font-size: 14px; color: var(--text-soft); flex: 1; }
.card__meta { font-size: 12.5px; color: var(--muted); margin-top: 12px; }

.grid { display: grid; gap: 22px; }
.grid > * { min-width: 0; }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }
.grid--2 { grid-template-columns: repeat(2, 1fr); }

.section-head {
  display: flex; align-items: flex-end; justify-content: space-between; gap: 16px;
  margin-bottom: 24px; flex-wrap: wrap;
}
.section-head__link { font-size: 14px; font-weight: 600; color: var(--gray-600); }
.section-head__link:hover { color: var(--graphite); }

/* чипы-направления */
.chips { display: flex; flex-wrap: wrap; gap: 10px; }
.chip {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 16px; border-radius: 999px;
  background: var(--white); border: 1px solid var(--border);
  font-size: 14px; font-weight: 600; color: var(--text);
}
.chip:hover { background: var(--graphite); color: #fff; border-color: var(--graphite); }

/* список-плитка направлений */
.tile-list { display: grid; grid-template-columns: repeat(4,1fr); gap: 14px; }
.tile {
  background: var(--white); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 16px; display: flex; gap: 12px; align-items: center;
  font-weight: 600; color: var(--text);
}
.tile:hover { background: var(--gray-50); color: var(--graphite); border-color: var(--gray-300); }
.tile__icon { width: 38px; height: 38px; flex: 0 0 auto; }

/* =========================================================================
   Специалисты
   ========================================================================= */
.doc-card { text-align: center; }
.doc-card .card__media { aspect-ratio: 3/4; }
.doc-card__name { font-size: 16px; font-weight: 700; color: var(--graphite); }
.doc-card__role { font-size: 13px; color: var(--text-soft); margin-top: 2px; }
.doc-card__exp { font-size: 12.5px; color: var(--muted); margin-top: 8px; }

/* =========================================================================
   Форма записи
   ========================================================================= */
.appoint-form {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 28px; box-shadow: var(--shadow-sm);
  max-width: 560px;
}
.form-row { margin-bottom: 16px; }
.form-row label { display: block; font-size: 14px; font-weight: 600; color: var(--text); margin-bottom: 6px; }
.form-row input, .form-row select, .form-row textarea {
  width: 100%; padding: 12px 14px; font-size: 15px; font-family: inherit;
  color: var(--text); background: var(--white);
  border: 1px solid var(--gray-300); border-radius: var(--radius-sm);
  transition: border-color .15s, box-shadow .15s;
}
.form-row input:focus, .form-row select:focus, .form-row textarea:focus {
  outline: none; border-color: var(--graphite);
  box-shadow: 0 0 0 3px rgba(43,47,52,.08);
}
.form-row .error { border-color: #b3261e; box-shadow: 0 0 0 3px rgba(179,38,30,.08); }
.form-error { color: #b3261e; font-size: 13px; margin-top: 6px; display: none; }
.form-row.has-error .form-error { display: block; }
.form-hint { font-size: 12.5px; color: var(--text-soft); margin-top: 8px; }
.form-hint a { color: var(--gray-600); text-decoration: underline; }
.form-success {
  display: none; padding: 20px; border-radius: var(--radius-sm);
  background: var(--gray-100); border: 1px solid var(--border);
  color: var(--graphite); font-weight: 600;
}
.form-success.is-shown { display: block; }
.check-line { display: flex; gap: 8px; align-items: flex-start; font-size: 14px; color: var(--text-soft); margin-bottom: 10px; }

/* =========================================================================
   Табы / аккордеон
   ========================================================================= */
.tabs {
  display: flex; gap: 6px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 24px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}
.tabs::-webkit-scrollbar { height: 4px; }
.tabs::-webkit-scrollbar-thumb { background: var(--gray-300); border-radius: 4px; }
.tabs__btn {
  flex: 0 0 auto;
  border: none; background: transparent; cursor: pointer;
  padding: 12px 18px; font-size: 15px; font-weight: 600; color: var(--text-soft);
  border-bottom: 3px solid transparent; white-space: nowrap;
}
.tabs__btn.is-active { color: var(--graphite); border-bottom-color: var(--graphite); }
.tab-panel { display: none; }
.tab-panel.is-active { display: block; }

.accordion__item { border: 1px solid var(--border); border-radius: var(--radius); margin-bottom: 12px; overflow: hidden; background: var(--white); }
.accordion__head {
  width: 100%; text-align: left; background: transparent; border: none; cursor: pointer;
  padding: 18px 20px; font-size: 16px; font-weight: 600; color: var(--graphite);
  display: flex; justify-content: space-between; align-items: center; gap: 12px;
}
.accordion__icon { transition: transform .2s; color: var(--text-soft); font-size: 18px; }
.accordion__item.is-open .accordion__icon { transform: rotate(45deg); }
.accordion__body { display: none; padding: 0 20px 18px; color: var(--text-soft); }

/* =========================================================================
   Таблица цен
   ========================================================================= */
.price-table { width: 100%; border-collapse: collapse; background: var(--white); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.price-table th, .price-table td { text-align: left; padding: 14px 18px; border-bottom: 1px solid var(--border); font-size: 15px; }
.price-table th { background: var(--gray-50); color: var(--gray-500); font-weight: 600; font-size: 13px; text-transform: uppercase; letter-spacing: .05em; }
.price-table tr:last-child td { border-bottom: none; }
.price-table td:last-child { text-align: right; font-weight: 700; color: var(--graphite); white-space: nowrap; }

/* =========================================================================
   Контакты / адреса
   ========================================================================= */
.addr-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 18px; }
.addr-card { background: var(--white); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; }
.addr-card h3 { font-size: 16px; margin-bottom: 10px; }
.addr-card p { font-size: 14px; color: var(--text-soft); margin-bottom: 6px; }
.addr-card .addr-tag { display: inline-block; font-size: 12px; font-weight: 600; color: var(--gray-600); background: var(--gray-100); padding: 4px 10px; border-radius: 999px; margin-bottom: 12px; }
.map-frame { background: var(--gray-200); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.map-frame img { width: 100%; }

/* =========================================================================
   Баннеры над подвалом
   ========================================================================= */
.banners { display: grid; grid-template-columns: repeat(3,1fr); gap: 18px; }
.banner {
  position: relative; border-radius: var(--radius); overflow: hidden;
  background: var(--gray-200); min-height: 150px; display: flex; align-items: flex-end;
  padding: 20px;
}
.banner__img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.banner__title { position: relative; color: #fff; font-size: 18px; font-weight: 700; z-index: 2; }

/* =========================================================================
   Двухколоночная раскладка контента
   ========================================================================= */
.layout-2 { display: grid; grid-template-columns: 1fr 320px; gap: 36px; align-items: start; }
.layout-2 > * { min-width: 0; }
.layout-2 aside { position: sticky; top: 150px; }
.aside-box { background: var(--white); border: 1px solid var(--border); border-radius: var(--radius); padding: 22px; box-shadow: var(--shadow-sm); margin-bottom: 18px; }
.aside-box h3 { font-size: 16px; margin-bottom: 12px; }
.aside-box ul { list-style: none; padding: 0; margin: 0; }
.aside-box li { margin-bottom: 10px; font-size: 14px; }
.aside-box .btn { width: 100%; justify-content: center; }

/* =========================================================================
   Утилиты
   ========================================================================= */
.muted { color: var(--text-soft); }
.text-center { text-align: center; }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.mt-24 { margin-top: 24px; }
.list-check { list-style: none; padding: 0; margin: 0 0 1.2em; }
.list-check li { position: relative; padding-left: 26px; margin-bottom: 10px; color: var(--text); }
.list-check li::before { content: ""; position: absolute; left: 0; top: 7px; width: 14px; height: 8px; border-left: 2px solid var(--gray-500); border-bottom: 2px solid var(--gray-500); transform: rotate(-45deg); }
.tag-list { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 1em; }
.tag { font-size: 12px; font-weight: 600; color: var(--gray-600); background: var(--gray-100); border-radius: 999px; padding: 5px 12px; }

/* =========================================================================
   Адаптив: мин 370px
   ========================================================================= */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .tile-list { grid-template-columns: repeat(3,1fr); }
  .addr-grid { grid-template-columns: repeat(2,1fr); }
  .layout-2 { grid-template-columns: 1fr; }
  .layout-2 aside { position: static; }
}

@media (max-width: 768px) {
  .grid--3, .grid--4 { grid-template-columns: repeat(2,1fr); }
  .grid--2 { grid-template-columns: 1fr; }
  .tile-list { grid-template-columns: repeat(2,1fr); }
  .banners { grid-template-columns: 1fr; }
  .hero-slide__body { padding: 32px 24px; max-width: 100%; }
  .slider-dots { left: 44px; }
  .header-phone { display: none; }
  .header-cta-wrap { display: none; }
  .header-cta { padding: 9px 14px; font-size: 13px; }

  .nav-toggle { display: block; order: 3; margin-left: auto; }
  .main-nav { display: none; position: fixed; inset: 0; top: 0; background: rgba(43,47,52,.4); z-index: 100; }
  .main-nav.is-open { display: block; }
  .main-nav__panel {
    position: absolute; right: 0; top: 0; height: 100%; width: min(86vw, 360px);
    background: var(--white); padding: 18px 0 24px; overflow-y: auto;
    transform: translateX(100%); transition: transform .25s;
  }
  .main-nav.is-open .main-nav__panel { transform: none; }
  .main-nav__list { flex-direction: column; }
  .main-nav__link { padding: 14px 22px; border-bottom: 1px solid var(--border); border-radius: 0; }
  .main-nav__link.is-active { background: var(--gray-50); border-bottom-color: var(--graphite); }
  .main-nav__submenu {
    position: static; opacity: 1; visibility: visible; transform: none;
    box-shadow: none; border: none; padding: 0 22px 6px; min-width: 0; background: var(--gray-50);
  }
  .nav-close { display: block; text-align: right; padding: 8px 18px; font-size: 24px; color: var(--graphite); cursor: pointer; }
}

@media (max-width: 480px) {
  .container { padding: 0 14px; }
  .hero-slider { padding: 0 14px; border-radius: var(--radius-sm); }
  .grid--3, .grid--4 { grid-template-columns: 1fr; }
  .tile-list { grid-template-columns: 1fr; }
  .addr-grid { grid-template-columns: 1fr; }
  .brand__sub { display: none; }
  .header-cta { padding: 8px 12px; }
  .hero-slide { min-height: 320px; }
  .hero-slide__body { padding: 24px 18px; }
  .slider-dots { left: 32px; }
  .section { padding: 30px 0; }
}

@media (min-width: 769px) {
  .nav-close { display: none; }
  .main-nav__panel { width: 100%; }
}