:root {
      --bg:#F2EDE3; --surface:#FAF7F1; --surface2:#F5ECDE;
      --border:#D9CFBA; --border2:#C0B295;
      --text:#26221C; --text-dim:#4D4639; --text-faint:#857A64;
      --red:#A6271C; --red-dim:#D0948A; --gold:#B07D26; --gold-dim:#D4BA8E; --blue:#3C5A70;
      --terra: #A65A3C;   /* Терракот ламп — тёплый акцент */
      --olive: #6B5A33;   /* Текстолит плат */
      --font-serif:'Playfair Display',Georgia,serif;
      --font-body:'Lora',Georgia,serif;
      --font-mono:'IBM Plex Mono',monospace;
    }
    *,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
    html{scroll-behavior:smooth;}
    body{background:var(--bg);color:var(--text);font-family:var(--font-body);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased;}
    a{color:inherit;text-decoration:none;}
    img{display:block;width:100%;}

    /* HEADER */
    .site-header{position:fixed;top:0;left:0;right:0;z-index:100;display:flex;align-items:center;justify-content:space-between;padding:0 48px;height:64px;border-bottom:1px solid var(--border);}
    .site-header::before{content:'';position:absolute;inset:0;z-index:-1;background:rgba(242,237,227,0.92);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);}
    .header-logo{display:flex;align-items:baseline;gap:18px;font-family:var(--font-serif);font-weight:700;text-transform:uppercase;color:var(--text);}
    .header-logo-mark{font-size:16px;letter-spacing:0.16em;}
    .header-logo-mark span{color:var(--terra);}
    .header-back{font-family:var(--font-mono);font-size:11px;letter-spacing:0.12em;text-transform:uppercase;color:var(--text-dim);display:flex;align-items:center;gap:10px;transition:color 200ms;}
    .header-back:hover{color:var(--gold);}
    .header-back .arr{width:6px;height:6px;border-left:1px solid currentColor;border-bottom:1px solid currentColor;transform:rotate(45deg);}

    /* DECADE HERO */
    .decade-hero{padding:140px 48px 56px;border-bottom:1px solid var(--border);position:relative;overflow:hidden;}
    .decade-hero-bg{position:absolute;inset:0;background:radial-gradient(ellipse 70% 80% at 80% 20%,rgba(166,39,28,0.08) 0%,transparent 60%);pointer-events:none;}
    .decade-eyebrow{font-family:var(--font-mono);font-size:11px;letter-spacing:0.2em;text-transform:uppercase;color:var(--terra);display:flex;align-items:center;gap:16px;margin-bottom:28px;}
    .decade-eyebrow::before{content:'';width:32px;height:1px;background:var(--terra);}
    .decade-years{font-family:var(--font-serif);font-weight:900;font-size:clamp(64px,11vw,150px);line-height:0.9;letter-spacing:-0.03em;color:var(--text);}
    .decade-years span{color:var(--border2);}
    .decade-headline{font-family:var(--font-serif);font-weight:700;font-size:clamp(24px,3vw,38px);line-height:1.2;color:var(--gold);margin-top:16px;font-style:italic;}
    .decade-intro{max-width:680px;margin-top:32px;font-size:18px;line-height:1.7;color:var(--text-dim);}
    .decade-intro strong{color:var(--text);font-weight:500;}

    /* BLOCKS */
    .blocks-section{padding:0;}
    .blocks-head{padding:64px 48px 0;}
    .blocks-label{font-family:var(--font-mono);font-size:11px;letter-spacing:0.2em;text-transform:uppercase;color:var(--terra);display:flex;align-items:center;gap:16px;margin-bottom:16px;}
    .blocks-label::before{content:'';width:24px;height:1px;background:var(--terra);}
    .blocks-title{font-family:var(--font-serif);font-size:32px;font-weight:700;color:var(--text);}
    .blocks-grid{margin-top:48px;padding:0 48px 8px;display:grid;grid-template-columns:1.05fr 0.88fr 1.12fr;gap:28px;align-items:start;}
    .block{background:var(--surface);display:flex;flex-direction:column;cursor:pointer;transition:background 300ms,transform 300ms,border-color 300ms,box-shadow 300ms;position:relative;overflow:hidden;border:1px solid var(--border);}
    /* asymmetric vertical stagger */
    .block:nth-child(1){margin-top:36px;}
    .block:nth-child(2){margin-top:0;}
    .block:nth-child(3){margin-top:72px;}
    .block:hover{background:var(--surface2);transform:translateY(-4px);border-color:var(--border2);box-shadow:0 12px 40px rgba(38,34,28,0.14);}
    .block-img{aspect-ratio:4/3;overflow:hidden;position:relative;background:var(--surface2);}
    .block:nth-child(2) .block-img{aspect-ratio:3/4;}
    .block-img img{width:100%;height:100%;object-fit:cover;filter: grayscale(72%) sepia(30%) contrast(1.04) brightness(1) saturate(0.7);transition:transform 600ms ease,filter 600ms;}
    .block:hover .block-img img{transform:scale(1.04);filter: grayscale(50%) sepia(20%) contrast(1.02) brightness(1.05) saturate(0.88);}
    .block-img::after{content:'';position:absolute;inset:0;background:linear-gradient(to bottom,transparent 55%,rgba(38,34,28,0.16) 100%);}
    .block-tag{position:absolute;top:20px;left:20px;z-index:2;font-family:var(--font-mono);font-size:10px;letter-spacing:0.15em;text-transform:uppercase;padding:5px 12px;border:1px solid;background:rgba(250,247,241,0.92);}
    .tag-m{color:var(--gold);border-color:var(--gold-dim);}
    .tag-p{color:var(--blue);border-color:#A0ABAF;}
    .tag-v{color:var(--terra);border-color:var(--terra);}
    .block-body{padding:28px 28px 24px;flex:1;display:flex;flex-direction:column;}
    .block-kicker{font-family:var(--font-mono);font-size:10px;letter-spacing:0.15em;text-transform:uppercase;color:var(--text-faint);margin-bottom:12px;}
    .block-title{font-family:var(--font-serif);font-size:23px;font-weight:700;line-height:1.22;color:var(--text);margin-bottom:14px;transition:color 200ms;}
    .block:hover .block-title{color:var(--gold);}
    .block-desc{font-size:14px;line-height:1.6;color:var(--text-dim);flex:1;}
    .block-foot{display:flex;align-items:center;justify-content:space-between;margin-top:20px;padding-top:16px;border-top:1px solid var(--border);}
    .block-read{font-family:var(--font-mono);font-size:10px;letter-spacing:0.12em;text-transform:uppercase;color:var(--text-faint);transition:color 200ms;}
    .block:hover .block-read{color:var(--gold);}
    .block-arrow{width:20px;height:1px;background:var(--text-faint);position:relative;transition:width 200ms,background 200ms;}
    .block-arrow::after{content:'';position:absolute;right:0;top:-3px;width:6px;height:6px;border-right:1px solid var(--text-faint);border-top:1px solid var(--text-faint);transform:rotate(45deg);transition:border-color 200ms;}
    .block:hover .block-arrow{width:32px;background:var(--gold);}
    .block:hover .block-arrow::after{border-color:var(--gold);}

    /* KEY FACTS — TIMELINE */
    .facts{padding:96px 48px 80px;border-top:1px solid var(--border);}
    .tl{max-width:1000px;margin:56px auto 0;position:relative;}
    /* central spine */
    .tl::before{content:'';position:absolute;left:50%;transform:translateX(-50%);top:12px;bottom:12px;width:1px;
      background:linear-gradient(to bottom,transparent,var(--border2) 5%,var(--border2) 95%,transparent);}
    .tl-heads{display:grid;grid-template-columns:1fr 88px 1fr;margin-bottom:20px;}
    .tl-heads span{font-family:var(--font-mono);font-size:11px;letter-spacing:0.2em;text-transform:uppercase;display:flex;align-items:center;gap:10px;}
    .tl-heads .h-ussr{grid-column:1;justify-content:flex-end;color:var(--terra);}
    .tl-heads .h-ussr::after{content:'';width:18px;height:1px;background:var(--terra);}
    .tl-heads .h-world{grid-column:3;justify-content:flex-start;color:var(--blue);}
    .tl-heads .h-world::before{content:'';width:18px;height:1px;background:var(--blue);}
    .tl-row{display:grid;grid-template-columns:1fr 88px 1fr;align-items:center;}
    .tl-node{grid-column:2;display:flex;justify-content:center;align-items:center;}
    .tl-node b{width:56px;height:56px;border-radius:50%;border:1px solid var(--border2);background:var(--bg);
      display:flex;align-items:center;justify-content:center;font-family:var(--font-serif);font-weight:700;font-size:15px;
      color:var(--text-dim);position:relative;z-index:2;transition:border-color 300ms,color 300ms;}
    .tl-row:hover .tl-node b{border-color:var(--gold);color:var(--text);}
    .tl-side{font-size:14px;line-height:1.55;color:var(--text-dim);padding:18px 0;}
    .tl-side strong{color:var(--text);font-weight:500;}
    .tl-side.l{grid-column:1;text-align:right;padding-right:30px;}
    .tl-side.r{grid-column:3;text-align:left;padding-left:30px;}
    .tl-side.empty{padding:0;}
    /* short connector tick toward the spine */
    .tl-side{position:relative;}
    .tl-side.l:not(.empty)::after{content:'';position:absolute;right:-1px;top:calc(50% - 0.5px);width:18px;height:1px;background:var(--border2);}
    .tl-side.r:not(.empty)::before{content:'';position:absolute;left:-1px;top:calc(50% - 0.5px);width:18px;height:1px;background:var(--border2);}

    /* FOOTER */
    .site-footer{border-top:1px solid var(--border);padding:40px 48px;display:flex;align-items:center;justify-content:space-between;}
    .footer-logo{font-family:var(--font-serif);font-weight:700;font-size:14px;letter-spacing:0.15em;text-transform:uppercase;color:var(--text-faint);}
    .footer-logo span{color:var(--terra);}
    .footer-copy{font-family:var(--font-mono);font-size:11px;color:var(--text-faint);letter-spacing:0.08em;}

    @media (max-width:1024px){
      .site-header{padding:0 24px;}
      .decade-hero{padding:120px 24px 48px;}
      .blocks-head{padding:56px 24px 0;}
      .blocks-grid{padding:0 24px 8px;gap:20px;grid-template-columns:1fr 1fr;}
      .block:nth-child(1){margin-top:0;}
      .block:nth-child(2){margin-top:40px;}
      .block:nth-child(3){margin-top:0;grid-column:1 / -1;}
      .block:nth-child(2) .block-img,.block:nth-child(3) .block-img{aspect-ratio:4/3;}
      .facts{padding:72px 24px 64px;}
      .site-footer{padding:32px 24px;}
    }
    @media (max-width:768px){
      .site-header{padding:0 20px;height:56px;}
      .header-logo-mark{font-size:14px;}
      .decade-hero{padding:96px 20px 40px;}
      .blocks-head{padding:48px 20px 0;}
      .blocks-grid{grid-template-columns:1fr;gap:20px;padding:0 20px 8px;}
      .block:nth-child(1),.block:nth-child(2),.block:nth-child(3){margin-top:0;grid-column:auto;}
      .block:nth-child(2) .block-img{aspect-ratio:4/3;}
      .facts{padding:56px 20px;}
      /* timeline collapses to a single left-aligned track */
      .tl::before{left:22px;transform:none;}
      .tl-heads{display:none;}
      .tl-row{grid-template-columns:46px 1fr;}
      .tl-node{grid-column:1;grid-row:1 / span 2;justify-content:flex-start;align-items:flex-start;}
      .tl-node b{width:44px;height:44px;font-size:13px;}
      .tl-side.l,.tl-side.r{grid-column:2;text-align:left;padding:6px 0 6px 18px;}
      .tl-side.l:not(.empty)::after,.tl-side.r:not(.empty)::before{display:none;}
      .tl-side.empty{display:none;}
      .tl-side.l:not(.empty)::before{content:'';display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--terra);margin-right:8px;vertical-align:middle;}
      .tl-side.r:not(.empty)::before{content:'';display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--blue);margin-right:8px;vertical-align:middle;}
      .site-footer{padding:32px 20px;flex-direction:column;align-items:flex-start;gap:16px;}
    }
    @media (prefers-reduced-motion:reduce){html{scroll-behavior:auto;}*{transition-duration:0.01ms !important;}}
    a:focus-visible{outline:2px solid var(--gold);outline-offset:3px;}