/*
 * ТНК — сайт аутсорсинга персонала.
 * Стиль: Material Design 3 (токены в tokens.css, типографика Roboto),
 * сетка: Bootstrap 5 grid (bootstrap-grid.min.css), mobile-first.
 */

/* ---------- Базовые токены: формы, elevation, отступы ---------- */
:root {
  --md-shape-xs: 4px;
  --md-shape-s: 8px;
  --md-shape-m: 12px;
  --md-shape-l: 16px;
  --md-shape-xl: 28px;
  --md-shape-full: 999px;
  --md-elev-1: 0 1px 2px rgba(0, 0, 0, .3), 0 1px 3px 1px rgba(0, 0, 0, .15);
  --md-elev-2: 0 1px 2px rgba(0, 0, 0, .3), 0 2px 6px 2px rgba(0, 0, 0, .15);
  --md-elev-3: 0 1px 3px rgba(0, 0, 0, .3), 0 4px 8px 3px rgba(0, 0, 0, .15);
  --md-motion-standard: cubic-bezier(.2, 0, 0, 1);
  color-scheme: light;
}

/* ---------- Сброс и базовая типографика ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Roboto, system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 24px;
  letter-spacing: .5px;
  color: var(--md-sys-color-on-surface);
  background: var(--md-sys-color-surface);
  -webkit-font-smoothing: antialiased;
}
img, svg { display: block; max-width: 100%; }
h1, h2, h3, h4, p, ul, ol, dl, dd, figure, blockquote { margin: 0; }
ul, ol { padding: 0; }
a { color: var(--md-sys-color-primary); }
a:hover { text-decoration: underline; }
:focus-visible { outline: 2px solid var(--md-sys-color-primary); outline-offset: 2px; border-radius: 4px; }

.skip-link {
  position: absolute; left: -9999px; top: 8px; z-index: 300;
  padding: 8px 16px; border-radius: var(--md-shape-s);
  background: var(--md-sys-color-primary); color: var(--md-sys-color-on-primary); text-decoration: none;
}
.skip-link:focus { left: 8px; }

/* Типографическая шкала M3 */
.display-medium { font-size: 45px; line-height: 52px; font-weight: 400; letter-spacing: 0; color: var(--md-sys-color-on-surface); }
.headline-large { font-size: 32px; line-height: 40px; font-weight: 400; letter-spacing: 0; color: var(--md-sys-color-on-surface); margin-bottom: 12px; }
.title-large { font-size: 22px; line-height: 28px; font-weight: 500; letter-spacing: 0; }
.title-medium { font-size: 16px; line-height: 24px; font-weight: 500; letter-spacing: .15px; }
.body-large { font-size: 16px; line-height: 24px; letter-spacing: .5px; }
.body-medium { font-size: 14px; line-height: 20px; letter-spacing: .25px; }
.label-large { font-size: 14px; line-height: 20px; font-weight: 500; letter-spacing: .1px; }
.overline {
  font-size: 12px; line-height: 16px; font-weight: 500; letter-spacing: 1px;
  text-transform: uppercase; color: var(--md-sys-color-primary); margin-bottom: 8px;
}
.muted { color: var(--md-sys-color-on-surface-variant); }
.lead { margin-top: 16px; color: var(--md-sys-color-on-surface-variant); }

/* ---------- Иконки ---------- */
.icon { width: 24px; height: 24px; fill: currentColor; flex: 0 0 auto; }
.icon-sm { width: 20px; height: 20px; }

/* ---------- Кнопки (M3: filled, tonal, outlined, text) ---------- */
.btn {
  position: relative; display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  height: 40px; padding: 0 24px; border: 1px solid transparent; border-radius: var(--md-shape-full);
  font: 500 14px/20px Roboto, system-ui, sans-serif; letter-spacing: .1px;
  text-decoration: none; white-space: nowrap; cursor: pointer; overflow: hidden;
  background: transparent; color: inherit;
  transition: box-shadow .2s var(--md-motion-standard), background-color .2s;
}
.btn > * { position: relative; z-index: 1; }
.btn::before {
  content: ""; position: absolute; inset: 0; border-radius: inherit;
  background: currentColor; opacity: 0; pointer-events: none; transition: opacity .2s;
}
.btn:hover { text-decoration: none; }
.btn:hover::before { opacity: .08; }
.btn:active::before, .btn:focus-visible::before { opacity: .12; }
.btn-filled { background: var(--md-sys-color-primary); color: var(--md-sys-color-on-primary); }
.btn-filled:hover { box-shadow: var(--md-elev-1); }
.btn-tonal { background: var(--md-sys-color-secondary-container); color: var(--md-sys-color-on-secondary-container); }
.btn-outlined { border-color: var(--md-sys-color-outline); color: var(--md-sys-color-primary); }
.btn-text { color: var(--md-sys-color-primary); padding: 0 12px; }
.btn-lg { height: 56px; padding: 0 28px; border-radius: 28px; font-size: 16px; line-height: 24px; }
.btn-block { display: flex; width: 100%; }
.btn-inline { align-self: flex-start; margin: 4px 0 0 -12px; }

.icon-btn {
  position: relative; width: 40px; height: 40px; padding: 0; border: 0; border-radius: 50%;
  background: transparent; color: var(--md-sys-color-on-surface-variant); cursor: pointer;
  display: inline-flex; align-items: center; justify-content: center; overflow: hidden;
}
.icon-btn::before {
  content: ""; position: absolute; inset: 0; border-radius: inherit;
  background: currentColor; opacity: 0; transition: opacity .2s;
}
.icon-btn:hover::before { opacity: .08; }
.icon-btn > * { position: relative; z-index: 1; }

/* ---------- Чипы ---------- */
.chip {
  display: inline-flex; align-items: center; gap: 8px; height: 32px; padding: 0 14px;
  border: 1px solid var(--md-sys-color-outline-variant); border-radius: var(--md-shape-s);
  background: var(--md-sys-color-surface-container-low); color: var(--md-sys-color-on-surface);
  font: 500 14px/20px Roboto, system-ui, sans-serif; letter-spacing: .1px;
}
.chip .icon { color: var(--md-sys-color-primary); }

/* ---------- Верхняя панель (Top app bar) ---------- */
.top-app-bar {
  position: sticky; top: 0; z-index: 50;
  background: var(--md-sys-color-surface);
  transition: background-color .2s, box-shadow .2s;
}
.top-app-bar.is-scrolled { background: var(--md-sys-color-surface-container); box-shadow: var(--md-elev-2); }
.top-app-bar__inner { display: flex; align-items: center; gap: 12px; height: 72px; }
.brand { display: inline-flex; text-decoration: none; }
.brand img { height: 36px; width: auto; }
.top-app-bar__actions { display: flex; align-items: center; gap: 8px; margin-left: auto; }
.top-nav { display: none; }
.top-nav .btn-text { color: var(--md-sys-color-on-surface-variant); }
.btn-phone { display: none; }
.btn-cta { display: none; }

/* ---------- Модальная навигация (Navigation drawer) ---------- */
.scrim {
  position: fixed; inset: 0; z-index: 90; background: var(--md-sys-color-scrim);
  opacity: 0; visibility: hidden; transition: opacity .3s, visibility .3s;
}
.scrim.is-visible { opacity: .32; visibility: visible; }
.nav-drawer {
  position: fixed; top: 0; bottom: 0; left: 0; z-index: 100;
  width: min(360px, 88vw); display: flex; flex-direction: column; gap: 8px; padding: 16px;
  background: var(--md-sys-color-surface-container-low); color: var(--md-sys-color-on-surface);
  border-radius: 0 var(--md-shape-xl) var(--md-shape-xl) 0; box-shadow: var(--md-elev-3);
  transform: translateX(-104%); transition: transform .3s var(--md-motion-standard), visibility .3s;
  visibility: hidden; overflow-y: auto;
}
.nav-drawer.is-open { transform: none; visibility: visible; }
.nav-drawer__head { display: flex; align-items: center; justify-content: space-between; padding: 4px 4px 12px; }
.nav-drawer__head img { height: 34px; width: auto; }
.nav-drawer__list { display: flex; flex-direction: column; gap: 4px; }
.drawer-link {
  display: flex; align-items: center; height: 56px; padding: 0 16px; border-radius: 28px;
  color: var(--md-sys-color-on-surface); text-decoration: none;
  font: 500 16px/24px Roboto, system-ui, sans-serif; letter-spacing: .15px;
}
.drawer-link:hover { background: var(--md-sys-color-surface-container-high); text-decoration: none; }
.nav-drawer__foot { display: flex; flex-direction: column; gap: 10px; margin-top: auto; padding-top: 16px; }

/* ---------- Первый экран ---------- */
.hero { padding: 40px 0 72px; background: linear-gradient(180deg, var(--md-sys-color-surface) 0%, var(--md-sys-color-surface-container-low) 100%); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.hero-facts {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 16px;
  margin-top: 40px; padding-top: 24px; border-top: 1px solid var(--md-sys-color-outline-variant);
}
.hero-facts dt { font-size: 24px; line-height: 32px; font-weight: 500; color: var(--md-sys-color-primary); }
.hero-facts dd { font-size: 14px; line-height: 20px; letter-spacing: .25px; color: var(--md-sys-color-on-surface-variant); margin-top: 2px; }

/* ---------- Медиа-карточки (иллюстрации) ---------- */
.media-card {
  position: relative; overflow: hidden; border-radius: var(--md-shape-xl);
  background: var(--md-sys-color-primary-container); box-shadow: var(--md-elev-1);
}
.media-card img { width: 100%; height: auto; }
.media-card--hero img { aspect-ratio: 16 / 10; object-fit: cover; }
.media-caption {
  position: absolute; left: 16px; bottom: 16px; display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 14px; border-radius: var(--md-shape-s);
  background: var(--md-sys-color-surface-container-lowest); color: var(--md-sys-color-on-surface);
  box-shadow: var(--md-elev-1); font: 500 14px/20px Roboto, system-ui, sans-serif;
}
.media-caption .icon { color: var(--md-sys-color-primary); }

/* ---------- Секции ---------- */
.section { padding: 88px 0; scroll-margin-top: 72px; }
.section-tinted { background: var(--md-sys-color-surface-container-low); }
.section-head { max-width: 760px; margin-bottom: 40px; }
.section-head .body-large { color: var(--md-sys-color-on-surface-variant); }

/* ---------- Карточки ---------- */
.card { border-radius: var(--md-shape-xl); }
.card-filled { background: var(--md-sys-color-surface-container-high); }
.card-outlined { background: var(--md-sys-color-surface-container-lowest); border: 1px solid var(--md-sys-color-outline-variant); }
.service-card { display: flex; flex-direction: column; height: 100%; overflow: hidden; }
.service-card__media { margin: 0; aspect-ratio: 4 / 3; background: var(--md-sys-color-primary-container); }
.service-card__media img { width: 100%; height: 100%; object-fit: cover; }
.service-card__body { display: flex; flex-direction: column; align-items: flex-start; gap: 12px; flex: 1; padding: 24px 24px 20px; }
.service-card__body p { color: var(--md-sys-color-on-surface-variant); }
.service-card__body .btn { margin-top: auto; margin-left: -12px; }

/* ---------- Категории персонала (список M3) ---------- */
.categories { margin-top: 64px; }
.categories .muted { margin: 8px 0 20px; }
.m3-list {
  list-style: none; margin: 0; padding: 8px; border-radius: var(--md-shape-xl);
  background: var(--md-sys-color-surface-container-low);
}
.m3-list-item { display: flex; align-items: center; gap: 16px; padding: 14px 16px; border-radius: var(--md-shape-l); transition: background-color .2s; }
.m3-list-item:hover { background: var(--md-sys-color-surface-container-high); }
.m3-list-item + .m3-list-item { margin-top: 2px; }
.m3-list-item__icon {
  display: grid; place-items: center; flex: 0 0 auto; width: 40px; height: 40px; border-radius: var(--md-shape-m);
  background: var(--md-sys-color-secondary-container); color: var(--md-sys-color-on-secondary-container);
}
.m3-list-item__text { display: flex; flex-direction: column; flex: 1; min-width: 0; }
.price-tag {
  flex: 0 0 auto; padding: 6px 12px; border-radius: var(--md-shape-s);
  background: var(--md-sys-color-primary-container); color: var(--md-sys-color-on-primary-container);
}

/* ---------- О компании ---------- */
.m3-quote {
  display: flex; gap: 12px; align-items: flex-start; margin-top: 24px; padding: 20px 24px;
  border-radius: var(--md-shape-l); background: var(--md-sys-color-tertiary-container); color: var(--md-sys-color-on-tertiary-container);
}
.m3-quote p { font: 500 16px/24px Roboto, system-ui, sans-serif; letter-spacing: .15px; }
.principles { list-style: none; margin-top: 16px; display: grid; grid-template-columns: 1fr; gap: 12px; }
.principles li { display: flex; align-items: center; gap: 14px; font-size: 16px; line-height: 24px; }
.principles__icon {
  display: grid; place-items: center; flex: 0 0 auto; width: 40px; height: 40px; border-radius: 50%;
  background: var(--md-sys-color-primary-container); color: var(--md-sys-color-on-primary-container);
}
@media (min-width: 576px) { .principles { grid-template-columns: 1fr 1fr; } }

/* ---------- Клиенты (логотипы) ---------- */
.logo-grid { list-style: none; display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }
.logo-tile {
  display: flex; align-items: center; justify-content: center; aspect-ratio: 1 / 1; padding: 10px;
  background: #ffffff; border: 1px solid var(--md-sys-color-outline-variant); border-radius: var(--md-shape-l);
  transition: box-shadow .2s, transform .2s var(--md-motion-standard);
}
.logo-tile:hover { box-shadow: var(--md-elev-1); transform: translateY(-2px); }
.logo-tile img { width: 100%; height: 100%; object-fit: contain; }
@media (min-width: 576px) { .logo-grid { gap: 12px; } }
@media (min-width: 768px) { .logo-grid { gap: 16px; } }
@media (min-width: 1200px) { .logo-grid { grid-template-columns: repeat(8, 1fr); } }

/* ---------- Отзывы ---------- */
.review { display: flex; flex-direction: column; gap: 16px; height: 100%; padding: 28px 24px 24px; }
.review__stars { display: flex; gap: 2px; color: var(--md-sys-color-primary); }
.review__text { flex: 1; color: var(--md-sys-color-on-surface); }
.review__author { display: flex; align-items: center; gap: 12px; padding-top: 16px; border-top: 1px solid var(--md-sys-color-outline-variant); }
.review__author img { width: 56px; height: 56px; border-radius: 50%; background: var(--md-sys-color-primary-container); }
.review__author > div { display: flex; flex-direction: column; }
.review__author .muted { margin-top: 2px; }

/* ---------- Аккордеон (FAQ) ---------- */
.m3-accordion { display: flex; flex-direction: column; gap: 8px; }
.m3-accordion__item { border-radius: var(--md-shape-l); background: var(--md-sys-color-surface-container-low); overflow: hidden; transition: background-color .2s; }
.m3-accordion__item[open] { background: var(--md-sys-color-surface-container-high); }
.m3-accordion__item summary {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 18px 20px 18px 24px; cursor: pointer; list-style: none;
  font: 500 16px/24px Roboto, system-ui, sans-serif; letter-spacing: .15px; color: var(--md-sys-color-on-surface);
}
.m3-accordion__item summary::-webkit-details-marker { display: none; }
.m3-accordion__item summary .icon { color: var(--md-sys-color-on-surface-variant); transition: transform .25s var(--md-motion-standard); }
.m3-accordion__item[open] summary .icon { transform: rotate(180deg); }
.m3-accordion__item summary:hover { background: var(--md-sys-color-surface-container-high); }
.m3-accordion__body { padding: 0 24px 20px; color: var(--md-sys-color-on-surface-variant); }

/* ---------- Контакты ---------- */
.contact-list { list-style: none; margin-top: 32px; display: flex; flex-direction: column; gap: 20px; }
.contact-list li { display: flex; align-items: flex-start; gap: 16px; }
.contact-list li > span:last-child { display: flex; flex-direction: column; align-items: flex-start; gap: 2px; min-width: 0; }
.contact-list a.title-medium { color: var(--md-sys-color-on-surface); text-decoration: none; }
.contact-list a.title-medium:hover { text-decoration: underline; }
.contact-list__icon {
  display: grid; place-items: center; flex: 0 0 auto; width: 48px; height: 48px; border-radius: var(--md-shape-l);
  background: var(--md-sys-color-primary-container); color: var(--md-sys-color-on-primary-container);
}

/* ---------- Форма (M3 outlined text fields) ---------- */
.form-card { padding: 24px; }
.form-card > .title-large { margin-bottom: 20px; }
.m3-field { position: relative; margin-bottom: 16px; }
.m3-input {
  display: block; width: 100%; height: 56px; padding: 16px; margin: 0;
  border: 1px solid var(--md-sys-color-outline); border-radius: var(--md-shape-xs);
  background: transparent; color: var(--md-sys-color-on-surface);
  font: 400 16px/24px Roboto, system-ui, sans-serif; letter-spacing: .5px; outline: none;
  transition: border-color .15s, box-shadow .15s;
}
.m3-input:hover { border-color: var(--md-sys-color-on-surface); }
.m3-input:focus { border-color: var(--md-sys-color-primary); box-shadow: inset 0 0 0 1px var(--md-sys-color-primary); }
.m3-textarea { height: auto; min-height: 112px; resize: vertical; }
.m3-label {
  position: absolute; left: 13px; top: 16px; padding: 0 4px; pointer-events: none;
  color: var(--md-sys-color-on-surface-variant); background: var(--md-sys-color-surface-container-high);
  font: 400 16px/24px Roboto, system-ui, sans-serif; letter-spacing: .5px;
  transition: top .15s, font-size .15s, color .15s;
}
.m3-input:focus + .m3-label,
.m3-input:not(:placeholder-shown) + .m3-label {
  top: -9px; font-size: 12px; line-height: 16px; letter-spacing: .4px; color: var(--md-sys-color-primary);
}
.m3-input:focus + .m3-label { color: var(--md-sys-color-primary); }
.m3-field.is-invalid .m3-input { border-color: var(--md-sys-color-error); box-shadow: inset 0 0 0 1px var(--md-sys-color-error); }
.m3-field.is-invalid .m3-label { color: var(--md-sys-color-error); }
.m3-support { margin: 4px 16px 0; font: 400 12px/16px Roboto, system-ui, sans-serif; letter-spacing: .4px; color: var(--md-sys-color-error); }
.m3-support:empty { display: none; }
.m3-support--block { margin: 0 0 12px 30px; }
.m3-checkbox-row { display: flex; align-items: flex-start; gap: 12px; margin: 4px 0 4px; }
.m3-checkbox-row input { flex: 0 0 auto; width: 18px; height: 18px; margin: 3px 0 0; accent-color: var(--md-sys-color-primary); cursor: pointer; }
.m3-checkbox-row label { font-size: 14px; line-height: 20px; letter-spacing: .25px; color: var(--md-sys-color-on-surface-variant); cursor: pointer; }
.m3-checkbox-row a { color: var(--md-sys-color-primary); }
.form-card .btn-block { margin-top: 8px; }

/* ---------- Snackbar ---------- */
.snackbar {
  position: fixed; left: 50%; bottom: 24px; z-index: 200; transform: translate(-50%, 160%); opacity: 0; visibility: hidden;
  width: max-content; min-width: 288px; max-width: min(560px, calc(100vw - 32px)); padding: 14px 16px;
  border-radius: var(--md-shape-xs); background: var(--md-sys-color-inverse-surface); color: var(--md-sys-color-inverse-on-surface);
  box-shadow: var(--md-elev-3); font: 400 14px/20px Roboto, system-ui, sans-serif; letter-spacing: .25px;
  transition: transform .3s var(--md-motion-standard), opacity .3s, visibility .3s;
}
.snackbar.is-visible { transform: translate(-50%, 0); opacity: 1; visibility: visible; }

/* ---------- Расширенная FAB (мобильные) ---------- */
.fab-extended {
  position: fixed; right: 16px; bottom: 16px; z-index: 60; display: inline-flex; align-items: center; gap: 8px;
  height: 56px; padding: 0 20px; border-radius: var(--md-shape-l);
  background: var(--md-sys-color-primary-container); color: var(--md-sys-color-on-primary-container);
  box-shadow: var(--md-elev-3); font: 500 14px/20px Roboto, system-ui, sans-serif; letter-spacing: .1px; text-decoration: none;
}
.fab-extended:hover { text-decoration: none; }

/* ---------- Подвал ---------- */
.site-footer { padding: 56px 0 32px; background: var(--md-sys-color-surface-container); border-top: 1px solid var(--md-sys-color-outline-variant); }
.site-footer img { height: 48px; width: auto; }
.footer-links { list-style: none; margin-top: 12px; display: flex; flex-direction: column; gap: 10px; }
.footer-links a { color: var(--md-sys-color-on-surface-variant); text-decoration: none; }
.footer-links a:hover { color: var(--md-sys-color-primary); text-decoration: underline; }
.requisites {
  margin-top: 40px; padding: 0 24px; border-radius: var(--md-shape-l);
  background: var(--md-sys-color-surface-container-high);
}
.requisites summary {
  display: flex; align-items: center; justify-content: space-between; padding: 18px 0; cursor: pointer; list-style: none;
  color: var(--md-sys-color-on-surface);
}
.requisites summary::-webkit-details-marker { display: none; }
.requisites summary::after {
  content: ""; width: 9px; height: 9px; margin: 0 6px 4px 12px; flex: 0 0 auto;
  border-right: 2px solid currentColor; border-bottom: 2px solid currentColor; transform: rotate(45deg); transition: transform .25s;
}
.requisites[open] summary::after { transform: rotate(-135deg); margin-bottom: -2px; }
.requisites__grid { display: grid; grid-template-columns: 1fr; gap: 14px 24px; padding: 4px 0 24px; }
.requisites__grid dt { font-size: 12px; line-height: 16px; letter-spacing: .4px; color: var(--md-sys-color-on-surface-variant); }
.requisites__grid dd { margin-top: 2px; font-size: 14px; line-height: 20px; letter-spacing: .25px; color: var(--md-sys-color-on-surface); }
.site-footer__bottom {
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px; margin-top: 32px; padding-top: 20px;
  border-top: 1px solid var(--md-sys-color-outline-variant);
}

/* ---------- Адаптив: брейкпоинты Bootstrap (576 / 768 / 992 / 1200) ---------- */
@media (min-width: 576px) {
  .btn-cta { display: inline-flex; }
  .requisites__grid { grid-template-columns: 1fr 1fr; }
}
@media (min-width: 768px) {
  .fab-extended { display: none; }
  .section { padding: 96px 0; }
  .display-medium { font-size: 52px; line-height: 60px; }
}
@media (min-width: 1200px) {
  .top-nav { display: flex; align-items: center; gap: 0; margin-left: 24px; margin-right: auto; }
  .top-app-bar__actions { margin-left: 0; }
  .btn-phone { display: inline-flex; }
  .menu-toggle { display: none; }
}

@media (max-width: 767.98px) {
  .display-medium { font-size: 36px; line-height: 44px; }
  .headline-large { font-size: 28px; line-height: 36px; }
  .section { padding: 60px 0; }
  .hero { padding: 24px 0 56px; }
  .form-card { padding: 20px; }
  body { padding-bottom: 80px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; scroll-behavior: auto !important; }
}

/* ---------- Страница документа ---------- */
.legal-card { margin-top: 24px; padding: 24px; }
.legal-list { list-style: none; margin-top: 12px; display: flex; flex-direction: column; gap: 6px; }