/* ==========================================================================
   Портал внутренней нормативной документации · ESG и SDGs
   Token system: corporate green, light theme, minimalist
   ========================================================================== */

:root{
  --forest-900:#0f3d29;
  --forest-800:#14513a;
  --forest-700:#1f6f4a;
  --forest-500:#2e8b57;
  --forest-300:#7fbf9e;
  --forest-100:#e5f2ea;
  --sand-50:#faf9f6;
  --sand-100:#f2f1eb;
  --ink-900:#161a17;
  --ink-700:#3c443e;
  --ink-500:#6b7268;
  --ink-300:#a7ada4;
  --line:#e2e4de;
  --white:#ffffff;
  --gold:#c9a44c;
  --radius-sm:6px;
  --radius-md:12px;
  --radius-lg:20px;
  --shadow-sm:0 1px 2px rgba(15,61,41,.06);
  --shadow-md:0 8px 24px rgba(15,61,41,.08);
  --shadow-lg:0 20px 48px rgba(15,61,41,.14);
  --font-display:"Fraunces","Georgia",serif;
  --font-body:"Inter","Segoe UI",system-ui,-apple-system,sans-serif;
  --font-mono:"IBM Plex Mono","Courier New",monospace;
  --maxw:1180px;
}

@font-face{
  font-family:"Fraunces";
  src:local("Georgia");
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-body);
  color:var(--ink-900);
  background:var(--sand-50);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul{margin:0;padding:0;}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px;}

@media (prefers-reduced-motion: reduce){
  *{animation-duration:.01ms !important; transition-duration:.01ms !important;}
}

/* ---------- Topbar ---------- */
.topbar{
  position:sticky; top:0; z-index:50;
  background:rgba(250,249,246,.92);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.topbar-inner{
  display:flex; align-items:center; justify-content:space-between;
  padding:14px 28px; max-width:var(--maxw); margin:0 auto; gap:20px;
}
.brand{display:flex; align-items:center; gap:12px;}
.brand-mark{
  width:38px; height:38px; border-radius:10px;
  background:linear-gradient(155deg,var(--forest-700),var(--forest-900));
  display:flex; align-items:center; justify-content:center;
  color:var(--sand-50); font-family:var(--font-display); font-weight:600; font-size:18px;
  flex:none;
}
.brand-text{display:flex; flex-direction:column; line-height:1.15;}
.brand-text strong{font-family:var(--font-display); font-size:16px; font-weight:600; color:var(--forest-900);}
.brand-text span{font-size:11px; letter-spacing:.06em; text-transform:uppercase; color:var(--ink-500);}

.nav-links{display:flex; gap:26px; font-size:14.5px; font-weight:500;}
.nav-links a{color:var(--ink-700); position:relative; padding:6px 0;}
.nav-links a:hover{color:var(--forest-700);}
.nav-cta{
  display:inline-flex; align-items:center; gap:8px;
  background:var(--forest-800); color:var(--white) !important;
  padding:9px 18px; border-radius:100px; font-size:13.5px; font-weight:600;
  white-space:nowrap;
}
.nav-cta:hover{background:var(--forest-900);}
.burger{display:none; background:none; border:none; cursor:pointer; padding:6px;}
.burger span{display:block; width:22px; height:2px; background:var(--ink-900); margin:5px 0; border-radius:2px;}

/* ---------- Hero ---------- */
.hero{
  position:relative; overflow:hidden;
  padding:76px 0 60px;
  background:
    radial-gradient(600px 300px at 85% -10%, var(--forest-100), transparent 60%),
    var(--sand-50);
  border-bottom:1px solid var(--line);
}
.hero-grid{display:grid; grid-template-columns:1.1fr .9fr; gap:56px; align-items:center;}
.eyebrow{
  display:inline-flex; align-items:center; gap:8px;
  font-size:12.5px; font-weight:700; letter-spacing:.09em; text-transform:uppercase;
  color:var(--forest-700); margin-bottom:18px;
}
.eyebrow::before{content:""; width:7px; height:7px; border-radius:50%; background:var(--forest-500);}
.hero h1{
  font-family:var(--font-display); font-weight:600;
  font-size:clamp(30px,3.6vw,46px); line-height:1.14; letter-spacing:-.01em;
  color:var(--forest-900); margin:0 0 22px;
}
.hero h1 em{font-style:italic; color:var(--forest-700);}
.hero p.lead{font-size:17px; color:var(--ink-700); max-width:52ch; margin:0 0 30px;}
.hero-actions{display:flex; gap:14px; flex-wrap:wrap;}
.btn{
  display:inline-flex; align-items:center; gap:9px; cursor:pointer;
  padding:13px 24px; border-radius:100px; font-size:14.5px; font-weight:600;
  border:1px solid transparent; transition:transform .15s ease, box-shadow .15s ease, background .15s ease;
}
.btn-primary{background:var(--forest-800); color:var(--white);}
.btn-primary:hover{background:var(--forest-900); box-shadow:var(--shadow-md); transform:translateY(-1px);}
.btn-ghost{background:transparent; border-color:var(--line); color:var(--ink-900);}
.btn-ghost:hover{border-color:var(--forest-500); color:var(--forest-700);}

.hero-stats{display:flex; gap:0; margin-top:44px; border-top:1px solid var(--line); padding-top:22px;}
.hero-stats div{flex:1; padding-right:18px;}
.hero-stats strong{display:block; font-family:var(--font-display); font-size:28px; color:var(--forest-800);}
.hero-stats span{font-size:12.5px; color:var(--ink-500);}

/* SDG ring signature element */
.ring-signature{position:relative; width:100%; aspect-ratio:1/1; max-width:420px; margin:0 auto;}
.ring-signature svg{width:100%; height:100%;}
.ring-signature .core{
  position:absolute; top:0; left:0; right:0; bottom:0; display:flex; align-items:center; justify-content:center;
  flex-direction:column; text-align:center;
}
.ring-signature .core strong{font-family:var(--font-display); font-size:15px; color:var(--forest-900); max-width:120px;}
.ring-signature .core span{font-size:10.5px; color:var(--ink-500); text-transform:uppercase; letter-spacing:.08em; margin-top:4px;}

/* ---------- Section headers ---------- */
.section{padding:70px 0;}
.section-head{max-width:640px; margin-bottom:40px;}
.section-head .eyebrow{margin-bottom:12px;}
.section-head h2{font-family:var(--font-display); font-weight:600; font-size:clamp(26px,3vw,36px); color:var(--forest-900); margin:0 0 12px;}
.section-head p{color:var(--ink-500); font-size:15.5px; margin:0;}
.section-alt{background:var(--sand-100);}

/* ---------- Search & filter ---------- */
.search-panel{
  background:var(--white); border:1px solid var(--line); border-radius:var(--radius-lg);
  padding:22px; box-shadow:var(--shadow-sm); margin-bottom:34px;
}
.search-row{display:flex; gap:12px; align-items:center;}
.search-box{
  flex:1; display:flex; align-items:center; gap:10px;
  border:1.5px solid var(--line); border-radius:100px; padding:12px 18px; background:var(--sand-50);
  transition:border-color .15s ease;
}
.search-box:focus-within{border-color:var(--forest-500);}
.search-box svg{flex:none; color:var(--ink-500);}
.search-box input{
  border:none; outline:none; background:transparent; width:100%; font-size:15px; color:var(--ink-900); font-family:var(--font-body);
}
.search-box input::placeholder{color:var(--ink-300);}
.result-count{font-size:13px; color:var(--ink-500); white-space:nowrap;}

.filter-chips{display:flex; flex-wrap:wrap; gap:9px; margin-top:16px;}
.chip{
  border:1.5px solid var(--line); background:var(--white); color:var(--ink-700);
  font-size:13px; font-weight:600; padding:8px 16px; border-radius:100px; cursor:pointer;
  transition:all .15s ease;
}
.chip:hover{border-color:var(--forest-500); color:var(--forest-700);}
.chip.active{background:var(--forest-800); border-color:var(--forest-800); color:var(--white);}

/* ---------- Document cards ---------- */
.doc-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:20px;}
.doc-card{
  background:var(--white); border:1px solid var(--line); border-radius:var(--radius-md);
  padding:24px; display:flex; flex-direction:column; gap:12px;
  transition:transform .18s ease, box-shadow .18s ease, border-color .18s ease;
  position:relative; overflow:hidden;
}
.doc-card::before{
  content:""; position:absolute; left:0; top:0; bottom:0; width:4px;
  background:var(--forest-500); transform:scaleY(0); transform-origin:top; transition:transform .2s ease;
}
.doc-card:hover{transform:translateY(-3px); box-shadow:var(--shadow-md); border-color:var(--forest-300);}
.doc-card:hover::before{transform:scaleY(1);}
.doc-card-top{display:flex; align-items:flex-start; justify-content:space-between; gap:10px;}
.doc-num{font-family:var(--font-mono); font-size:11.5px; color:var(--forest-500); font-weight:600;}
.doc-cat{
  font-size:10.5px; font-weight:700; text-transform:uppercase; letter-spacing:.06em;
  color:var(--forest-700); background:var(--forest-100); padding:4px 10px; border-radius:100px; white-space:nowrap;
}
.doc-card h3{font-family:var(--font-display); font-size:19px; font-weight:600; margin:2px 0 0; color:var(--ink-900); line-height:1.28;}
.doc-card p{font-size:13.8px; color:var(--ink-500); margin:0; flex:1;}
.doc-card-foot{display:flex; align-items:center; justify-content:space-between; margin-top:8px; padding-top:14px; border-top:1px solid var(--line);}
.doc-link{font-size:13.5px; font-weight:700; color:var(--forest-700); display:inline-flex; align-items:center; gap:6px;}
.doc-link svg{transition:transform .15s ease;}
.doc-card:hover .doc-link svg{transform:translateX(3px);}
.doc-formats{display:flex; gap:6px;}
.fmt-badge{
  font-size:10px; font-weight:700; letter-spacing:.03em; padding:3px 7px; border-radius:5px;
  border:1px solid var(--line); color:var(--ink-500);
}
.no-results{text-align:center; padding:60px 20px; color:var(--ink-500); display:none;}
.no-results.show{display:block;}

/* ---------- SDG strip ---------- */
.sdg-strip{display:flex; gap:10px; flex-wrap:wrap; margin-top:8px;}
.sdg-dot{
  width:52px; height:52px; border-radius:50%; display:flex; align-items:center; justify-content:center;
  font-family:var(--font-mono); font-weight:700; font-size:15px; color:var(--white);
  box-shadow:var(--shadow-sm); flex:none;
}

/* ---------- About / ESG explainer ---------- */
.pillars{display:grid; grid-template-columns:repeat(3,1fr); gap:22px;}
.pillar{
  background:var(--white); border:1px solid var(--line); border-radius:var(--radius-md); padding:28px;
}
.pillar .letter{
  width:46px; height:46px; border-radius:12px; display:flex; align-items:center; justify-content:center;
  font-family:var(--font-display); font-weight:700; font-size:20px; color:var(--white); margin-bottom:16px;
}
.pillar:nth-child(1) .letter{background:var(--forest-700);}
.pillar:nth-child(2) .letter{background:var(--gold);}
.pillar:nth-child(3) .letter{background:var(--forest-900);}
.pillar h4{font-family:var(--font-display); font-size:18px; margin:0 0 8px; color:var(--ink-900);}
.pillar p{font-size:14px; color:var(--ink-500); margin:0;}

/* ---------- Footer ---------- */
footer{background:var(--forest-900); color:var(--sand-100); padding:52px 0 28px; margin-top:40px;}
.footer-grid{display:grid; grid-template-columns:1.4fr 1fr 1fr 1fr; gap:36px; margin-bottom:36px;}
.footer-brand p{color:var(--forest-300); font-size:13.5px; max-width:32ch; margin-top:10px;}
footer h5{font-size:12.5px; text-transform:uppercase; letter-spacing:.07em; color:var(--forest-300); margin:0 0 14px;}
footer ul li{margin-bottom:9px; font-size:13.8px;}
footer a{color:var(--sand-100); opacity:.85;}
footer a:hover{opacity:1; color:var(--forest-300);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12); padding-top:22px;
  display:flex; justify-content:space-between; font-size:12.5px; color:var(--forest-300); flex-wrap:wrap; gap:10px;
}

/* ==========================================================================
   Document page
   ========================================================================== */
.doc-header{
  background:linear-gradient(180deg,var(--forest-100),var(--sand-50));
  border-bottom:1px solid var(--line); padding:36px 0 30px;
}
.breadcrumb{font-size:13px; color:var(--ink-500); margin-bottom:16px;}
.breadcrumb a{color:var(--forest-700); font-weight:600;}
.breadcrumb .sep{margin:0 6px; color:var(--ink-300);}
.doc-header-top{display:flex; justify-content:space-between; align-items:flex-start; gap:20px; flex-wrap:wrap;}
.doc-header h1{font-family:var(--font-display); font-size:clamp(26px,3.4vw,38px); color:var(--forest-900); margin:6px 0 10px; max-width:24ch;}
.doc-meta-row{display:flex; gap:18px; flex-wrap:wrap; font-size:13px; color:var(--ink-500); margin-top:14px;}
.doc-meta-row span{display:flex; align-items:center; gap:6px;}
.doc-actions{display:flex; gap:10px; flex-wrap:wrap;}
.btn-download{
  display:inline-flex; align-items:center; gap:8px;
  background:var(--white); border:1.5px solid var(--line); color:var(--ink-900);
  padding:11px 18px; border-radius:10px; font-size:13.8px; font-weight:600;
}
.btn-download:hover{border-color:var(--forest-700); color:var(--forest-700);}
.btn-download.primary{background:var(--forest-800); border-color:var(--forest-800); color:var(--white);}
.btn-download.primary:hover{background:var(--forest-900); color:var(--white);}

.doc-body-layout{display:grid; grid-template-columns:230px 1fr; gap:48px; padding:44px 0 90px; align-items:flex-start;}
.doc-toc{position:sticky; top:90px;}
.doc-toc h5{font-size:11.5px; text-transform:uppercase; letter-spacing:.06em; color:var(--ink-500); margin:0 0 14px;}
.doc-toc ul li{margin-bottom:2px;}
.doc-toc a{
  display:block; font-size:13.6px; color:var(--ink-700); padding:8px 0 8px 14px;
  border-left:2px solid var(--line);
}
.doc-toc a:hover, .doc-toc a.active{color:var(--forest-700); border-left-color:var(--forest-700); font-weight:600;}

.doc-content h2{
  font-family:var(--font-display); font-size:23px; color:var(--forest-900);
  margin:44px 0 16px; padding-bottom:10px; border-bottom:1px solid var(--line);
  display:flex; align-items:center; gap:10px;
}
.doc-content h2:first-child{margin-top:0;}
.doc-content h2 .num{
  font-family:var(--font-mono); font-size:13px; color:var(--white); background:var(--forest-700);
  width:28px; height:28px; border-radius:8px; display:flex; align-items:center; justify-content:center; flex:none;
}
.doc-content p{font-size:15.3px; color:var(--ink-700); margin:0 0 14px;}
.doc-content ul{margin:0 0 14px 0;}
.doc-content ul li{
  list-style:none; position:relative; padding:6px 0 6px 22px; font-size:15px; color:var(--ink-700);
}
.doc-content ul li::before{content:"→"; position:absolute; left:0; color:var(--forest-500); font-weight:700;}
.resp-table{width:100%; border-collapse:collapse; margin:8px 0 20px; font-size:14px;}
.resp-table th{background:var(--forest-800); color:var(--white); text-align:left; padding:11px 14px; font-size:12.5px; text-transform:uppercase; letter-spacing:.04em;}
.resp-table td{padding:12px 14px; border-bottom:1px solid var(--line); color:var(--ink-700); vertical-align:top;}
.resp-table tr:nth-child(even) td{background:var(--sand-100);}
.resp-table td:first-child{font-weight:700; color:var(--ink-900); width:32%;}
.next-doc{
  display:flex; align-items:center; justify-content:space-between; gap:20px;
  background:var(--forest-900); color:var(--white); border-radius:var(--radius-lg);
  padding:30px 34px; margin-top:56px; flex-wrap:wrap;
}
.next-doc span{font-size:12px; text-transform:uppercase; letter-spacing:.07em; color:var(--forest-300);}
.next-doc h4{font-family:var(--font-display); font-size:20px; margin:6px 0 0;}
.next-doc .btn-ghost{border-color:rgba(255,255,255,.35); color:var(--white);}
.next-doc .btn-ghost:hover{border-color:var(--white);}

/* ---------- Responsive ---------- */
@media (max-width:980px){
  .hero-grid{grid-template-columns:1fr;}
  .ring-signature{order:-1; max-width:280px;}
  .doc-grid{grid-template-columns:repeat(2,1fr);}
  .pillars{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .doc-body-layout{grid-template-columns:1fr;}
  .doc-toc{position:static; display:none;}
}
@media (max-width:720px){
  .nav-links{display:none;}
  .burger{display:block;}
  .doc-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .hero{padding:52px 0 40px;}
  .search-row{flex-direction:column; align-items:stretch;}
  .doc-header-top{flex-direction:column;}
}

/* Mobile nav drawer */
.mobile-nav{
  position:fixed; top:0; left:0; right:0; bottom:0; background:var(--sand-50); z-index:100;
  padding:20px 28px; transform:translateX(100%); transition:transform .25s ease;
  display:flex; flex-direction:column; gap:4px; overflow-y:auto;
}
.mobile-nav.open{transform:translateX(0);}
.mobile-nav a{padding:14px 4px; font-size:16px; border-bottom:1px solid var(--line); font-weight:600;}
.mobile-nav-close{align-self:flex-end; background:none; border:none; font-size:26px; cursor:pointer; padding:8px;}