/* STI Service Пермь — фирменный стиль (красный/чёрный, под эмблему STI) */
:root {
  --red: #d21f26;
  --red-dark: #a8181e;
  --bg: #0e0e10;
  --surface: #17181b;
  --surface-2: #1e2024;
  --border: #2b2d32;
  --text: #f4f4f4;
  --muted: #a3a6ab;
  --radius: 10px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.55 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
}
img { max-width: 100%; }
a { color: inherit; }

.container { max-width: 1100px; margin: 0 auto; padding: 0 20px; }

h1, h2, h3 { line-height: 1.2; margin: 0 0 12px; }
.section-title {
  font-size: 28px;
  font-weight: 800;
  font-style: italic;
  text-transform: uppercase;
  letter-spacing: .5px;
  margin-bottom: 24px;
}
.section-title span { color: var(--red); }

/* ------------------------------------------------------------ шапка ---- */
.site-header {
  background: #000;
  border-bottom: 3px solid var(--red);
  position: sticky;
  top: 0;
  z-index: 50;
}
.header-inner {
  display: flex;
  align-items: center;
  gap: 24px;
  min-height: 64px;
  padding: 8px 20px;
}
.logo img { height: 40px; display: block; }
.nav { display: flex; gap: 4px; margin-left: auto; }
.nav a {
  color: var(--text);
  text-decoration: none;
  font-weight: 600;
  padding: 10px 14px;
  border-radius: 8px;
}
.nav a:hover, .nav a.active { color: #fff; background: rgba(210, 31, 38, .25); }
.header-phone {
  text-decoration: none;
  font-weight: 800;
  white-space: nowrap;
  color: #fff;
  background: var(--red);
  padding: 10px 16px;
  border-radius: 8px;
}
.header-phone:hover { background: var(--red-dark); }
.burger {
  display: none;
  margin-left: auto;
  background: none;
  border: 1px solid var(--border);
  color: var(--text);
  font-size: 22px;
  border-radius: 8px;
  padding: 6px 12px;
  cursor: pointer;
}

/* -------------------------------------------------------------- hero ---- */
.hero {
  background: radial-gradient(1000px 500px at 80% -10%, rgba(210,31,38,.28), transparent 60%), #0a0a0b;
  border-bottom: 1px solid var(--border);
}
.hero-inner {
  display: grid;
  grid-template-columns: 1.25fr .75fr;
  gap: 40px;
  align-items: center;
  padding: 64px 20px;
}
.hero .tag {
  display: inline-block;
  color: var(--red);
  border: 1px solid var(--red);
  border-radius: 999px;
  padding: 4px 14px;
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 18px;
}
.hero h1 {
  font-size: 40px;
  font-weight: 800;
  font-style: italic;
  text-transform: uppercase;
}
.hero p { color: var(--muted); font-size: 18px; max-width: 560px; }
.hero-img img { width: 100%; max-width: 440px; margin: 0 auto; display: block; filter: drop-shadow(0 12px 30px rgba(0,0,0,.55)); }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 28px; }

.btn {
  display: inline-block;
  text-decoration: none;
  font-weight: 700;
  padding: 13px 22px;
  border-radius: 8px;
  border: 0;
  font-size: 16px;
  cursor: pointer;
}
.btn-red { background: var(--red); color: #fff; }
.btn-red:hover { background: var(--red-dark); }
.btn-outline { border: 1px solid var(--border); color: var(--text); background: transparent; }
.btn-outline:hover { border-color: var(--red); color: #fff; }
.btn-sm { padding: 8px 14px; font-size: 14px; }

/* ------------------------------------------------------------ секции ---- */
.section { padding: 56px 0; }
.section.alt { background: var(--surface); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.service-card {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  display: flex;
  flex-direction: column;
}
.service-card .icon { font-size: 28px; margin-bottom: 10px; }
.service-card h3 { font-size: 18px; }
.service-card ul { margin: 0; padding-left: 18px; color: var(--muted); }
.service-card ul li { margin: 4px 0; }
.service-card p { color: var(--muted); margin: 0; }
.service-card .card-link { margin-top: auto; padding-top: 14px; color: var(--red); font-weight: 700; text-decoration: none; }
.service-card .card-link:hover { text-decoration: underline; }

.why-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px 32px; }
.why-item { display: flex; gap: 12px; align-items: flex-start; padding: 8px 0; }
.why-item .check { color: var(--red); font-weight: 900; font-size: 18px; line-height: 1.4; }

.contacts-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 24px; align-items: stretch; }
.contact-card {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px;
}
.contact-row { display: flex; gap: 12px; margin: 14px 0; align-items: baseline; }
.contact-row .label { color: var(--muted); min-width: 90px; font-size: 14px; }
.contact-row a { color: #fff; font-weight: 700; text-decoration: none; }
.contact-row a:hover { color: var(--red); }
.map-wrap {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  min-height: 300px;
  background: var(--surface-2);
}
.map-wrap iframe { width: 100%; height: 100%; min-height: 300px; border: 0; display: block; }

/* ------------------------------------------------------------- футер ---- */
.site-footer {
  background: #000;
  border-top: 3px solid var(--red);
  padding: 28px 0;
  color: var(--muted);
  font-size: 14px;
}
.footer-inner { display: flex; gap: 16px; flex-wrap: wrap; align-items: center; justify-content: space-between; }
.site-footer a { color: var(--muted); }
.site-footer a:hover { color: #fff; }

/* ------------------------------------------------------ доска деталей ---- */
.page-head { padding: 40px 0 8px; }
.page-head p { color: var(--muted); max-width: 640px; }

.filters {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 10px;
  margin: 20px 0 26px;
}
.filters input, .filters select, .form-grid input, .form-grid select, .form-grid textarea {
  width: 100%;
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 8px;
  padding: 11px 12px;
  font: inherit;
}
.filters input:focus, .filters select:focus,
.form-grid input:focus, .form-grid select:focus, .form-grid textarea:focus {
  outline: 2px solid var(--red);
  outline-offset: 0;
  border-color: var(--red);
}

.parts-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.part-card {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  text-decoration: none;
  display: flex;
  flex-direction: column;
  transition: border-color .15s, transform .15s;
}
.part-card:hover { border-color: var(--red); transform: translateY(-2px); }
.part-photo {
  aspect-ratio: 4 / 3;
  background: #101114;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.part-photo img.photo { width: 100%; height: 100%; object-fit: cover; }
.part-photo img.placeholder { width: 55%; opacity: .18; filter: grayscale(1) brightness(3); }
.part-body { padding: 16px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.part-badges { display: flex; gap: 8px; flex-wrap: wrap; }
.badge {
  font-size: 12px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 999px;
  background: rgba(210,31,38,.15);
  color: #ff6b6f;
  border: 1px solid rgba(210,31,38,.4);
}
.badge.gray { background: rgba(255,255,255,.06); color: var(--muted); border-color: var(--border); }
.part-body h3 { font-size: 17px; margin: 0; color: #fff; }
.part-meta { color: var(--muted); font-size: 14px; }
.part-price { margin-top: auto; font-size: 19px; font-weight: 800; color: #fff; }
.part-price.ask { color: var(--muted); font-size: 15px; font-weight: 600; }

.pagination { display: flex; gap: 10px; align-items: center; justify-content: center; margin: 32px 0 8px; }
.pagination .info { color: var(--muted); font-size: 14px; }
.empty-state { text-align: center; color: var(--muted); padding: 48px 0; }

/* ------------------------------------------------------ карточка детали -- */
.detail-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; padding: 32px 0 56px; }
.detail-photo {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  background: #101114;
  display: flex;
  align-items: center;
  justify-content: center;
  aspect-ratio: 4 / 3;
}
.detail-photo img.photo { width: 100%; height: 100%; object-fit: cover; }
.detail-photo img.placeholder { width: 50%; opacity: .18; filter: grayscale(1) brightness(3); }
.detail-info h1 { font-size: 28px; }
.detail-info .price { font-size: 30px; font-weight: 800; color: var(--red); margin: 12px 0; }
.detail-info .desc { color: var(--muted); white-space: pre-line; }
.detail-props { margin: 16px 0; border-top: 1px solid var(--border); }
.detail-props .row { display: flex; justify-content: space-between; gap: 16px; padding: 9px 0; border-bottom: 1px solid var(--border); font-size: 15px; }
.detail-props .row span:first-child { color: var(--muted); }
.buy-card { background: var(--surface-2); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; margin-top: 20px; }
.buy-card p { margin: 6px 0; color: var(--muted); font-size: 15px; }
.back-link { display: inline-block; color: var(--muted); text-decoration: none; margin-top: 28px; }
.back-link:hover { color: #fff; }

/* ------------------------------------------------------------- админка -- */
.login-wrap { min-height: calc(100vh - 200px); display: flex; align-items: center; justify-content: center; padding: 40px 20px; }
.login-card { background: var(--surface-2); border: 1px solid var(--border); border-radius: var(--radius); padding: 32px; width: 100%; max-width: 380px; }
.login-card h1 { font-size: 22px; }
.login-card label { display: block; font-size: 14px; color: var(--muted); margin: 14px 0 6px; }
.login-card input { width: 100%; background: var(--surface); border: 1px solid var(--border); color: var(--text); border-radius: 8px; padding: 11px 12px; font: inherit; }
.login-card .btn { width: 100%; margin-top: 20px; }
.form-error { color: #ff6b6f; font-size: 14px; margin-top: 12px; min-height: 18px; }

.admin-toolbar { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; margin: 28px 0 20px; }
.admin-toolbar h1 { font-size: 24px; margin: 0; }
.admin-toolbar .spacer { flex: 1; }
.stats { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 22px; }
.stat {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 20px;
  min-width: 120px;
}
.stat b { display: block; font-size: 24px; }
.stat span { color: var(--muted); font-size: 13px; }

.admin-table { width: 100%; border-collapse: collapse; font-size: 15px; }
.admin-table th { text-align: left; color: var(--muted); font-size: 13px; font-weight: 600; padding: 10px 12px; border-bottom: 1px solid var(--border); }
.admin-table td { padding: 10px 12px; border-bottom: 1px solid var(--border); vertical-align: middle; }
.admin-table tr.inactive td { opacity: .45; }
.admin-table .thumb { width: 56px; height: 42px; object-fit: cover; border-radius: 6px; background: #101114; display: block; }
.admin-table .actions { display: flex; gap: 6px; justify-content: flex-end; }
.icon-btn {
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 8px;
  padding: 7px 10px;
  cursor: pointer;
  font-size: 15px;
  line-height: 1;
}
.icon-btn:hover { border-color: var(--red); }
.table-wrap { overflow-x: auto; }

/* модальное окно формы */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,.65);
  display: flex; align-items: flex-start; justify-content: center;
  padding: 40px 16px;
  overflow-y: auto;
  z-index: 100;
}
.modal {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  width: 100%; max-width: 640px;
  padding: 26px;
}
.modal h2 { font-size: 20px; margin-bottom: 18px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-grid .full { grid-column: 1 / -1; }
.form-grid label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 5px; }
.form-grid textarea { min-height: 90px; resize: vertical; }
.photo-preview { max-height: 140px; border-radius: 8px; margin-top: 8px; display: none; }
.modal-actions { display: flex; gap: 10px; justify-content: flex-end; margin-top: 22px; }
.checkbox-row { display: flex; align-items: center; gap: 8px; }
.checkbox-row input { width: auto; }

/* ---------------------------------------------------------- адаптив ---- */
@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; padding: 44px 20px; }
  .hero-img { display: none; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .parts-grid { grid-template-columns: repeat(2, 1fr); }
  .contacts-grid { grid-template-columns: 1fr; }
  .filters { grid-template-columns: 1fr 1fr; }
  .detail-grid { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .nav {
    display: none;
    position: absolute;
    top: 100%; left: 0; right: 0;
    background: #000;
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    padding: 10px 16px 16px;
  }
  .nav.open { display: flex; }
  .burger { display: block; }
  .header-phone { display: none; }
  .nav .nav-phone { display: block; background: var(--red); text-align: center; margin-top: 8px; }
  .hero h1 { font-size: 28px; }
  .section { padding: 40px 0; }
  .services-grid { grid-template-columns: 1fr; }
  .parts-grid { grid-template-columns: 1fr; }
  .filters { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .logo img { height: 32px; }
}
@media (min-width: 641px) { .nav .nav-phone { display: none; } }

/* Кнопка «Для сотрудников» в мобильном меню */
.nav .nav-staff {
  display: block; text-align: center; margin-top: 8px;
  border: 1px solid var(--border); border-radius: 8px;
  color: var(--muted);
}
.nav .nav-staff:hover { color: #fff; border-color: var(--red); }
@media (min-width: 641px) { .nav .nav-staff { display: none; } }

/* ------------------------------------------------------ анимации ---- */
/* Стартовая заставка */
#preloader {
  position: fixed; inset: 0; z-index: 999;
  background: #000;
  display: flex; align-items: center; justify-content: center;
  transition: opacity .5s ease, visibility .5s ease;
  /* Страховка: даже если JS не загрузился, заставка сама исчезнет */
  animation: preHide .5s 2.1s ease forwards;
}
#preloader.done { opacity: 0; visibility: hidden; }
@keyframes preHide { to { opacity: 0; visibility: hidden; } }
.pre-stage {
  position: relative; width: 100%; height: 100%;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
}
/* Машина проносится справа налево */
.pre-car {
  position: absolute; left: 50%; top: calc(50% - 152px);
  width: 200px; height: auto; margin-left: -100px;
  animation: preCar 1s cubic-bezier(.5, .05, .45, 1) both;
}
@keyframes preCar {
  0%   { transform: translateX(78vw); opacity: 0; }
  10%  { opacity: 1; }
  90%  { opacity: 1; }
  100% { transform: translateX(-78vw); opacity: 0; }
}
/* Красная линия проносится слева направо — навстречу машине */
.pre-line {
  position: absolute; left: 0; top: calc(50% + 84px);
  width: 100%; height: 3px;
  background: linear-gradient(90deg, transparent, var(--red) 30%, var(--red));
  transform: scaleX(0); transform-origin: left center;
  animation: preLine .85s .12s cubic-bezier(.65, 0, .35, 1) forwards,
             preLineOut .4s 1.05s ease forwards;
}
@keyframes preLine { to { transform: scaleX(1); } }
@keyframes preLineOut { to { opacity: 0; } }
/* Лого проявляется на «пересечении» машины и линии */
.pre-logo {
  text-align: center; opacity: 0;
  animation: preLogoIn .5s .68s ease both;
}
.pre-logo img { width: 260px; max-width: 72vw; display: block; margin: 0 auto 20px; }
@keyframes preLogoIn {
  from { opacity: 0; transform: scale(.82); }
  to   { opacity: 1; transform: scale(1); }
}
.pre-bar {
  width: 260px; max-width: 72vw; height: 3px; margin: 0 auto;
  background: #232323; border-radius: 2px; overflow: hidden;
}
.pre-bar span {
  display: block; height: 100%; width: 100%; background: var(--red);
  transform: translateX(-100%);
  animation: preBar .7s .8s cubic-bezier(.65, 0, .35, 1) forwards;
}
@keyframes preBar { to { transform: translateX(0); } }
body.no-scroll { overflow: hidden; }

/* Появление hero при загрузке */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(22px); }
  to   { opacity: 1; transform: none; }
}
.hero .tag      { animation: fadeUp .6s .10s ease backwards; }
.hero h1        { animation: fadeUp .6s .22s ease backwards; }
.hero p         { animation: fadeUp .6s .34s ease backwards; }
.hero-actions   { animation: fadeUp .6s .46s ease backwards; }
.hero-img       { animation: fadeUp .7s .50s ease backwards; }

/* Появление блоков при прокрутке (классы вешает anim.js) */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }

/* Карточки запчастей появляются лесенкой после загрузки/фильтра */
@keyframes cardIn {
  from { opacity: 0; transform: translateY(18px) scale(.98); }
  to   { opacity: 1; transform: none; }
}
.parts-grid .part-card { animation: cardIn .45s ease backwards; }
.parts-grid .part-card:nth-child(2)  { animation-delay: .05s; }
.parts-grid .part-card:nth-child(3)  { animation-delay: .10s; }
.parts-grid .part-card:nth-child(4)  { animation-delay: .15s; }
.parts-grid .part-card:nth-child(5)  { animation-delay: .20s; }
.parts-grid .part-card:nth-child(6)  { animation-delay: .25s; }
.parts-grid .part-card:nth-child(7)  { animation-delay: .30s; }
.parts-grid .part-card:nth-child(8)  { animation-delay: .35s; }
.parts-grid .part-card:nth-child(9)  { animation-delay: .40s; }
.parts-grid .part-card:nth-child(10) { animation-delay: .45s; }
.parts-grid .part-card:nth-child(11) { animation-delay: .50s; }
.parts-grid .part-card:nth-child(12) { animation-delay: .55s; }

/* Живость при наведении */
.service-card, .contact-card, .why-item {
  transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease;
}
.service-card:hover, .contact-card:hover {
  transform: translateY(-5px);
  border-color: var(--red);
  box-shadow: 0 14px 30px rgba(0, 0, 0, .45);
}
.why-item:hover { transform: translateX(5px); }
.part-card { transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease; }
.part-card:hover {
  transform: translateY(-5px);
  border-color: var(--red);
  box-shadow: 0 14px 30px rgba(0, 0, 0, .45);
}
.part-card:hover .part-photo img { transform: scale(1.05); }
.part-photo img { transition: transform .4s ease; }
.btn { transition: transform .2s ease, background .2s ease, border-color .2s ease, opacity .2s ease; }
.btn:hover { transform: translateY(-2px); }
.service-card .icon { display: inline-block; transition: transform .3s ease; }
.service-card:hover .icon { transform: scale(1.18) rotate(-6deg); }

/* ------------------------------------------------------- отзывы ---- */
.reviews-summary {
  display: flex; align-items: center; gap: 18px; flex-wrap: wrap;
  margin-bottom: 28px;
}
.reviews-summary .spacer { flex: 1; }
.rating-big {
  font-size: 46px; font-weight: 800; font-style: italic; color: #fff;
  line-height: 1;
}
.stars { color: var(--red); letter-spacing: 3px; font-size: 15px; }
.rating-note { color: var(--muted); font-size: 13px; margin-top: 4px; }
.reviews-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px;
}
.review-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 14px; padding: 22px; position: relative; overflow: hidden;
  transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease;
}
.review-card::before {
  content: "“"; position: absolute; top: 2px; right: 16px;
  font-family: Georgia, serif; font-size: 72px; line-height: 1;
  color: var(--red); opacity: .22; pointer-events: none;
}
.review-card .stars { margin-bottom: 10px; }
.review-card p {
  color: var(--muted); font-size: 14.5px; line-height: 1.55;
  margin: 0 0 16px;
}
.review-author { display: flex; align-items: center; gap: 12px; }
.review-ava {
  width: 38px; height: 38px; border-radius: 50%; flex: none;
  background: var(--red); color: #fff; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
}
.review-author b { display: block; color: #fff; font-size: 14px; }
.review-author span { color: var(--muted); font-size: 12.5px; }
.review-card:hover {
  transform: translateY(-5px); border-color: var(--red);
  box-shadow: 0 12px 28px rgba(0, 0, 0, .45);
}
@media (max-width: 900px) { .reviews-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) {
  .reviews-grid { grid-template-columns: 1fr; }
  .rating-big { font-size: 38px; }
}

/* Уважаем настройку «без анимаций» в системе */
@media (prefers-reduced-motion: reduce) {
  #preloader { display: none; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .hero .tag, .hero h1, .hero p, .hero-actions, .hero-img,
  .parts-grid .part-card { animation: none; }
}