/* ============================================================
   KMB TRANS GROUP — витрина проектов и карточка проекта
   Раскладка и логика повторяют утверждённые референсы
   kmb-projects.html / kmb-project-detail.html
   ============================================================ */

/* ---------- Графитовая маска фотографий ---------- */
.graphite-photo{position:relative;overflow:hidden;background:#30373A;isolation:isolate}
.graphite-photo::after{content:'';position:absolute;z-index:2;inset:0;pointer-events:none;
  background:linear-gradient(132deg,rgba(39,40,42,.30),rgba(33,130,175,.21));mix-blend-mode:multiply;transition:opacity .32s ease}
.graphite-photo img{position:relative;z-index:1;display:block;width:100%;height:100%;object-fit:cover;
  filter:grayscale(1) contrast(1.08) brightness(.80) sepia(.06) hue-rotate(155deg) saturate(.78);
  transition:transform .45s ease,filter .38s ease}
.graphite-photo .media-fallback{position:absolute;z-index:0;inset:0;display:flex;align-items:center;justify-content:center;
  padding:20px;font-family:var(--font-cond);font-size:22px;font-weight:700;letter-spacing:1.4px;text-transform:uppercase;
  color:#7A8589;background:repeating-linear-gradient(118deg,#2D3336 0 34px,#343B3F 34px 66px)}
.graphite-photo.is-error img{display:none}
@media(hover:hover){
  .graphite-photo:hover::after,.project-card:hover .graphite-photo::after,.related-card:hover .graphite-photo::after{opacity:.24}
  .graphite-photo:hover img,.project-card:hover .graphite-photo img,.related-card:hover .graphite-photo img{
    filter:grayscale(.14) contrast(1.03) brightness(.96) saturate(.95);transform:scale(1.035)}
}

/* ---------- Общее ---------- */
.projects-wrap{width:min(1260px,calc(100% - 48px));margin:0 auto}
.projects-breadcrumbs{background:#F6F7F8;border-bottom:1px solid var(--line)}
.projects-breadcrumbs .projects-wrap{min-height:44px;display:flex;align-items:center;gap:9px;
  font-size:12.5px;color:#73777C;overflow:hidden;white-space:nowrap}
.projects-breadcrumbs a:hover{color:var(--blue)}
.projects-breadcrumbs svg{flex:none;width:12px;height:12px;stroke:#A5A9AE}
.projects-breadcrumbs span{overflow:hidden;text-overflow:ellipsis}

.projects-hero{position:relative;overflow:hidden;background:#fff;border-bottom:1px solid var(--line)}
.projects-hero::after{content:'';position:absolute;right:-90px;top:-105px;width:430px;height:390px;opacity:.58;
  background:repeating-linear-gradient(118deg,transparent 0 28px,rgba(39,40,42,.055) 28px 58px);transform:skewX(-7deg);pointer-events:none}
.projects-hero .projects-wrap{position:relative;z-index:1;padding-top:64px;padding-bottom:58px}
.projects-kicker{display:flex;align-items:center;gap:11px;margin-bottom:14px;font-family:var(--font-cond);
  font-size:12px;font-weight:700;letter-spacing:1.6px;text-transform:uppercase;color:var(--blue)}
.projects-kicker::before{content:'';width:31px;height:3px;background:var(--blue)}
.projects-hero h1{margin:0;font-family:var(--font-cond);font-size:clamp(42px,5.2vw,64px);font-weight:700;
  line-height:.96;letter-spacing:-1.4px;text-transform:uppercase;color:#22292C}
.projects-lead{max-width:710px;margin-top:18px;font-size:16px;line-height:1.65;color:#676F73}

/* ---------- Фильтры ---------- */
.filter-bar{scroll-margin-top:var(--header-offset,114px);position:sticky;z-index:35;top:var(--header-offset,114px);background:#fff;border-bottom:1px solid #DCE1E3;
  box-shadow:0 8px 20px rgba(34,48,54,.04);transition:top .2s ease}
.filter-list{min-height:74px;display:flex;align-items:center;gap:10px;overflow-x:auto;scrollbar-width:none}
.filter-list::-webkit-scrollbar{display:none}
.filter-button{flex:0 0 auto;min-height:40px;padding:0 15px;display:inline-flex;align-items:center;gap:9px;
  border:1px solid #D6DCE0;background:#F5F6F7;color:#303A3E;font-family:var(--font-cond);font-size:12px;font-weight:700;
  letter-spacing:.25px;text-transform:uppercase;white-space:nowrap;transition:.18s;cursor:pointer}
.filter-button:not(.is-active):hover{border-color:#9FC7DA;color:#1a8cc4;background:#EDF6FA}
.filter-button:not(.is-active):active{transform:translateY(1px)}
.filter-button:focus-visible{outline:2px solid #1a8cc4;outline-offset:2px}
.filter-button.is-active{border-color:#1a8cc4;background:#1a8cc4;color:#fff}
.filter-count{min-width:18px;height:18px;padding:0 5px;display:inline-flex;align-items:center;justify-content:center;
  background:#E3E7E9;color:#637075;font-size:10px;transition:.18s}
.filter-button:not(.is-active):hover .filter-count{background:#D5E8F1;color:#1a8cc4}
.filter-button.is-active .filter-count{background:rgba(255,255,255,.20);color:#fff}
.filter-button[hidden]{display:none}

/* ---------- Сетка проектов ---------- */
.projects-grid-section{padding:46px 0 88px;background:#F4F5F6}
.projects-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:26px}
.project-card[hidden]{display:none !important}
.project-card.is-appear{animation:cardAppear .26s ease both}
@keyframes cardAppear{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
@media (prefers-reduced-motion:reduce){.project-card.is-appear{animation:none}}
.project-card{min-width:0;display:flex;flex-direction:column;background:#fff;border:1px solid #D6DCE0;color:#20282B;
  position:relative;transition:transform .22s,border-color .22s,box-shadow .22s}
.project-card::after{content:'';position:absolute;left:0;right:100%;bottom:-1px;height:4px;background:var(--blue);transition:right .28s ease}
.project-card:hover{transform:translateY(-5px);border-color:#A9C9D8;box-shadow:0 16px 35px rgba(32,48,56,.10)}
.project-card:hover::after{right:0}
.project-card__media{aspect-ratio:16/10}
.project-card__tag{position:absolute;z-index:3;left:15px;top:15px;min-height:30px;padding:0 11px;display:flex;align-items:center;
  background:var(--blue);color:#fff;font-family:var(--font-cond);font-size:10px;font-weight:700;letter-spacing:.45px;text-transform:uppercase}
.project-card__body{min-height:250px;padding:24px 22px 20px;display:flex;flex-direction:column}
.project-card h2{min-height:52px;margin:0;font-family:var(--font-cond);font-size:21px;font-weight:700;line-height:1.18;
  text-transform:uppercase;color:#20282B}
.project-card__description{display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:3;overflow:hidden;
  margin:13px 0 20px;font-size:14px;line-height:1.58;color:#687176}
.project-card__meta{margin-top:auto;padding-top:15px;border-top:1px solid #E0E4E6;display:flex;justify-content:space-between;
  align-items:center;gap:16px;color:#838B8F;font-size:11.5px}
.project-card__action{display:flex;align-items:center;gap:7px;color:var(--blue);font-family:var(--font-cond);font-size:11.5px;
  font-weight:700;text-transform:uppercase;white-space:nowrap;transition:gap .18s}
.project-card:hover .project-card__action{gap:11px}
.project-card__action svg{width:15px;height:15px;stroke:currentColor;fill:none}
.projects-empty{display:none;padding:48px 28px;border:1px solid #D6DCE0;background:#fff;text-align:center;color:#697277}
.projects-empty.is-visible{display:block}

@media(max-width:1020px){.projects-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.projects-hero::after{right:-190px}}
@media(max-width:720px){
  .projects-wrap{width:calc(100% - 36px)}
  .projects-hero .projects-wrap{padding-top:48px;padding-bottom:44px}
  .projects-hero h1{font-size:42px}.projects-lead{font-size:15px}
  .filter-list{min-height:64px}.projects-grid-section{padding:32px 0 66px}.projects-grid{gap:18px}
}
@media(max-width:640px){
  .projects-grid{grid-template-columns:1fr}.project-card__body{min-height:228px}.project-card h2{min-height:0;font-size:20px}
  .projects-hero::after{display:none}
}

/* ============================================================
   Карточка проекта
   ============================================================ */
.detail-hero{position:relative;overflow:hidden;background:#fff;border-bottom:1px solid var(--line)}
.detail-hero::after{content:'';position:absolute;right:-100px;top:-150px;width:410px;height:420px;pointer-events:none;
  background:repeating-linear-gradient(118deg,transparent 0 30px,rgba(39,40,42,.05) 30px 62px);transform:skewX(-7deg)}
.detail-hero .projects-wrap{position:relative;z-index:1;padding-top:54px;padding-bottom:52px}
.detail-hero h1{max-width:1020px;margin:0;font-family:var(--font-cond);font-size:clamp(38px,4.6vw,58px);font-weight:700;
  line-height:1.02;letter-spacing:-1px;text-transform:uppercase;color:#22292C}
.detail-meta{display:flex;align-items:center;gap:22px;margin-top:20px;color:#737B7F;font-size:12.5px}
.detail-meta span{display:flex;align-items:center;gap:8px}
.detail-meta span+span::before{content:'';width:4px;height:4px;background:var(--blue)}

.project-showcase{padding:50px 0 84px;background:#F2F3F5}
.showcase-grid{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(320px,.65fr);gap:30px;align-items:start}
.gallery{min-width:0}
.gallery-main{width:100%;aspect-ratio:16/10;cursor:zoom-in;padding:0;border:none;display:block}
.gallery-main::after{background:linear-gradient(132deg,rgba(39,40,42,.24),rgba(33,130,175,.16))}
.gallery-counter{position:absolute;z-index:4;right:14px;bottom:14px;min-width:58px;height:32px;padding:0 10px;
  display:flex;align-items:center;justify-content:center;background:rgba(31,35,38,.82);color:#fff;font-size:11.5px;font-weight:600}
.gallery-thumbs{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:8px;margin-top:8px}
.gallery-thumb{aspect-ratio:4/3;border:2px solid transparent;padding:0;cursor:pointer;background:#2F3639;overflow:hidden}
.gallery-thumb.is-active{border-color:var(--blue)}
.gallery-thumb img{width:100%;height:100%;object-fit:cover;filter:grayscale(1) brightness(.76);transition:.2s}
.gallery-thumb:hover img,.gallery-thumb.is-active img{filter:grayscale(.25) brightness(.95)}

.project-summary{position:relative;overflow:hidden;background:#30383B;color:#fff;border-top:4px solid var(--blue);padding:32px 30px 34px}
.project-summary::after{content:'KMB';position:absolute;right:-20px;bottom:-44px;font-family:var(--font-cond);font-size:132px;
  font-weight:700;color:rgba(255,255,255,.035)}
.project-summary>*{position:relative;z-index:1}
.summary-label{margin-bottom:8px;font-family:var(--font-cond);font-size:10.5px;font-weight:700;letter-spacing:1.2px;
  text-transform:uppercase;color:#85C2DE}
.project-summary h2{margin:0 0 13px;font-family:var(--font-cond);font-size:25px;line-height:1.1;text-transform:uppercase}
.summary-copy{margin:0 0 25px;color:#C8CDD0;font-size:13.5px;line-height:1.6}
.summary-divider{height:1px;margin:0 0 22px;background:#4C5559}
.works-list{display:grid;gap:12px;list-style:none;margin:0 0 27px;padding:0}
.works-list li{position:relative;padding-left:19px;color:#E0E3E4;font-size:13px;line-height:1.45}
.works-list li::before{content:'';position:absolute;left:0;top:.52em;width:8px;height:3px;background:var(--blue)}
.detail-cta{min-height:48px;padding:0 24px;display:inline-flex;align-items:center;justify-content:center;gap:9px;
  background:var(--blue);color:#fff;font-family:var(--font-cond);font-size:12.5px;font-weight:700;letter-spacing:.6px;
  text-transform:uppercase;clip-path:polygon(0 0,100% 0,calc(100% - 12px) 100%,0 100%);cursor:pointer;transition:.18s}
.detail-cta:hover{background:var(--blue-dark);padding-right:29px}
.detail-cta svg{width:16px;height:16px;stroke:currentColor;fill:none}

.project-story{padding:82px 0 86px;background:#fff}
.story-grid{display:grid;grid-template-columns:minmax(250px,.58fr) minmax(0,1.42fr);gap:90px;align-items:start}
.story-heading{position:sticky;top:calc(var(--header-offset,114px) + 28px)}
.story-kicker{font-family:var(--font-cond);font-size:11px;font-weight:700;letter-spacing:1.4px;text-transform:uppercase;
  color:var(--blue);margin-bottom:10px}
.story-heading h2{font-family:var(--font-cond);font-size:40px;line-height:1.04;text-transform:uppercase;color:#22292C}
.story-copy{display:grid;gap:20px;padding-top:2px}
.story-copy p{margin:0;font-size:15px;line-height:1.75;color:#606A6E}

.related-section{padding:74px 0 86px;background:#F2F3F5;border-top:1px solid #E1E5E7}
.related-head{display:flex;align-items:end;justify-content:space-between;gap:30px;margin-bottom:30px}
.related-head h2{font-family:var(--font-cond);font-size:39px;line-height:1;text-transform:uppercase;color:#22292C}
.related-all{display:flex;align-items:center;gap:8px;color:var(--blue);font-family:var(--font-cond);font-size:12px;
  font-weight:700;text-transform:uppercase}
.related-all svg{width:15px;height:15px;stroke:currentColor;fill:none}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.related-card{min-width:0;background:#fff;border:1px solid #D7DDE0;transition:.2s}
.related-card:hover{transform:translateY(-4px);border-color:#9FC5D7}
.related-card__media{aspect-ratio:16/9}
.related-card__body{padding:19px 19px 21px}
.related-card__category{font-family:var(--font-cond);font-size:10px;font-weight:700;color:var(--blue);
  text-transform:uppercase;margin-bottom:7px}
.related-card h3{font-family:var(--font-cond);font-size:18px;line-height:1.2;text-transform:uppercase}

/* ---------- Полноэкранная галерея ---------- */
.lightbox{position:fixed;z-index:300;inset:0;display:none;align-items:center;justify-content:center;padding:68px 80px;
  background:rgba(19,22,24,.96)}
.lightbox.is-open{display:flex}
.lightbox img{max-width:100%;max-height:100%;object-fit:contain;filter:none}
.lightbox-close,.lightbox-nav{position:absolute;display:flex;align-items:center;justify-content:center;border:1px solid #555D61;
  background:rgba(39,40,42,.7);color:#fff;cursor:pointer;transition:.18s}
.lightbox-close:hover,.lightbox-nav:hover{border-color:var(--blue);background:var(--blue)}
.lightbox-close{right:24px;top:22px;width:44px;height:44px;font-size:24px;line-height:1}
.lightbox-nav{top:50%;width:50px;height:58px;transform:translateY(-50%)}
.lightbox-prev{left:22px}.lightbox-next{right:22px}
.lightbox-nav svg{width:22px;height:22px;stroke:currentColor;fill:none}
.lightbox-caption{position:absolute;left:50%;bottom:20px;transform:translateX(-50%);color:#D8DCDE;font-size:12px}

@media(max-width:1050px){
  .showcase-grid{grid-template-columns:1fr}.project-summary{max-width:none}
  .related-grid{grid-template-columns:repeat(2,1fr)}.related-card:last-child{display:none}
}
@media(max-width:820px){
  .story-grid{grid-template-columns:1fr;gap:28px}.story-heading{position:static}
  .detail-hero::after{right:-220px}.gallery-thumbs{grid-template-columns:repeat(5,1fr)}
  .related-head{align-items:start;flex-direction:column;gap:12px}
}
@media(max-width:720px){
  .detail-hero .projects-wrap{padding-top:43px;padding-bottom:42px}
  .detail-hero h1{font-size:38px}.detail-meta{gap:14px;flex-wrap:wrap}
  .project-showcase{padding:32px 0 62px}.showcase-grid{gap:20px}
  .project-summary{padding:27px 23px 29px}.gallery-thumbs{grid-template-columns:repeat(4,1fr)}
  .project-story{padding:61px 0 66px}.story-heading h2{font-size:32px}.story-copy p{font-size:14.5px}
  .related-section{padding:58px 0 66px}.related-head h2{font-size:32px}
  .lightbox{padding:64px 16px}.lightbox-nav{top:auto;bottom:18px;transform:none}
  .lightbox-prev{left:18px}.lightbox-next{right:18px}
  .lightbox-caption{bottom:33px;max-width:45%;text-align:center}
}
@media(max-width:560px){
  .related-grid{grid-template-columns:1fr}.related-card:last-child{display:block}
  .gallery-thumbs{grid-template-columns:repeat(3,1fr)}.detail-hero::after{display:none}
}