:root{
  --blue:#1F4E79; --blue-d:#163A5A; --red:#C00000;
  --ink:#1a2230; --muted:#5b6675; --line:#e2e8f0;
  --bg:#f6f8fb; --card:#ffffff; --accent:#2b6cb0;
  --radius:14px; --wrap:1140px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0; background:var(--bg); color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  line-height:1.6; font-size:16px;
}
a{color:var(--accent); text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:var(--wrap); margin:0 auto; padding:0 22px}
.muted{color:var(--muted)}
.small{font-size:.86rem}
h1,h2,h3,h4{line-height:1.25; color:var(--ink)}

/* header */
.site-header{background:#fff; border-bottom:1px solid var(--line); position:sticky; top:0; z-index:20}
.header-inner{display:flex; align-items:center; justify-content:space-between; height:66px}
.logo{display:flex; align-items:center; gap:12px; color:var(--ink)}
.logo:hover{text-decoration:none}
.logo-mark{width:38px; height:38px; border-radius:9px; background:var(--blue); color:#fff;
  display:grid; place-items:center; font-family:Georgia,serif; font-size:22px; font-weight:700}
.logo-text{font-weight:700; font-size:1.15rem; display:flex; flex-direction:column; line-height:1.05}
.logo-text small{font-weight:400; font-size:.66rem; color:var(--muted); letter-spacing:.02em}
.nav{display:flex; align-items:center}
.nav a{color:var(--ink); margin-left:22px; font-weight:500}

/* language switcher */
.lang-switch{position:relative; margin-left:22px}
.lang-switch summary{list-style:none; cursor:pointer; display:flex; align-items:center; gap:6px;
  font-weight:600; font-size:.92rem; color:var(--ink); padding:7px 12px; border:1px solid var(--line);
  border-radius:8px; user-select:none; white-space:nowrap}
.lang-switch summary::-webkit-details-marker{display:none}
.lang-switch summary:hover{border-color:#c7d6ea; background:#f2f6fb}
.lang-switch .globe{font-size:1rem}
.lang-switch .caret{font-size:.7rem; color:var(--muted)}
.lang-menu{position:absolute; top:calc(100% + 8px); inset-inline-end:0; background:#fff;
  border:1px solid var(--line); border-radius:10px; box-shadow:0 12px 30px rgba(20,50,90,.15);
  padding:8px; min-width:190px; max-height:60vh; overflow:auto; z-index:40;
  display:grid; grid-template-columns:1fr 1fr; gap:2px}
.lang-menu a{padding:8px 12px; border-radius:7px; color:var(--ink); font-size:.9rem; font-weight:500}
.lang-menu a:hover{background:#eef3f9; text-decoration:none}
.lang-menu a.active{background:var(--blue); color:#fff}
@media (max-width:560px){ .lang-menu{grid-template-columns:1fr} }

/* RTL */
[dir="rtl"] .findings,[dir="rtl"] .toc{padding-left:0; padding-right:22px}
[dir="rtl"] .hero .lead,[dir="rtl"] .report-hero .lead,[dir="rtl"] .lead{}
[dir="rtl"] .nav a,[dir="rtl"] .nav .lang-switch{margin-left:0; margin-right:22px}
[dir="rtl"] .method-item .num{direction:ltr}

/* hero */
.hero{background:linear-gradient(135deg,var(--blue) 0%,var(--blue-d) 100%); color:#fff; padding:64px 0 56px}
.hero .eyebrow{color:#9fc0e6; letter-spacing:.08em; text-transform:uppercase; font-size:.78rem; margin:0 0 10px; font-weight:600}
.hero h1{font-size:2.5rem; margin:0 0 16px; max-width:820px; color:#fff}
.hero .lead{font-size:1.18rem; max-width:720px; color:#dce6f2; margin:0}
.eyebrow{color:var(--red); letter-spacing:.06em; text-transform:uppercase; font-size:.76rem; font-weight:700}

/* catalog */
.section-title{font-size:1.5rem; margin:0 0 22px; padding-bottom:10px; border-bottom:2px solid var(--line)}
.catalog{padding:52px 22px 20px}
.cards{display:grid; grid-template-columns:repeat(auto-fill,minmax(340px,1fr)); gap:22px}
.card{display:flex; flex-direction:column; background:var(--card); border:1px solid var(--line);
  border-radius:var(--radius); padding:24px; color:var(--ink); transition:.18s; box-shadow:0 1px 2px rgba(20,40,80,.04)}
.card:hover{text-decoration:none; transform:translateY(-3px); box-shadow:0 12px 30px rgba(20,50,90,.12); border-color:#c7d6ea}
.card-tag{display:inline-block; align-self:flex-start; background:#eaf1f9; color:var(--blue);
  font-size:.74rem; font-weight:700; padding:4px 10px; border-radius:20px; margin-bottom:14px; text-transform:uppercase; letter-spacing:.03em}
.card h3{font-size:1.24rem; margin:0 0 10px}
.card-sub{color:var(--muted); font-size:.95rem; margin:0 0 18px; flex:1}
.card-stats{list-style:none; display:flex; gap:22px; padding:0; margin:0 0 18px}
.card-stats li{display:flex; flex-direction:column}
.card-stats b{font-size:1.4rem; color:var(--blue); line-height:1}
.card-stats span{font-size:.76rem; color:var(--muted)}
.card-foot{display:flex; align-items:center; justify-content:space-between; border-top:1px solid var(--line); padding-top:14px}
.card-cta{color:var(--accent); font-weight:600}

/* method */
.method{padding:40px 22px 70px}
.method-grid{display:grid; grid-template-columns:repeat(auto-fit,minmax(240px,1fr)); gap:22px}
.method-item{background:#fff; border:1px solid var(--line); border-radius:var(--radius); padding:22px}
.method-item .num{color:#c7d6ea; font-weight:800; font-size:1.4rem}
.method-item h4{margin:6px 0 8px; font-size:1.05rem}
.method-item p{margin:0; color:var(--muted); font-size:.94rem}

/* report */
.report-hero{background:linear-gradient(135deg,var(--blue) 0%,var(--blue-d) 100%); color:#fff; padding:40px 0 44px}
.report-hero .back{color:#bcd3ec; font-weight:600; display:inline-block; margin-bottom:18px}
.report-hero .eyebrow{color:#9fc0e6}
.report-hero h1{font-size:2.1rem; margin:6px 0 14px; color:#fff; max-width:900px}
.report-hero .lead{color:#dce6f2; max-width:760px; margin:0 0 26px; font-size:1.1rem}
.report-stats{display:flex; flex-wrap:wrap; gap:34px; margin-bottom:28px}
.report-stats b{display:block; font-size:1.8rem; line-height:1; color:#fff}
.report-stats span{font-size:.8rem; color:#9fc0e6}
.dl-row{display:flex; gap:14px; flex-wrap:wrap}

.btn{display:inline-block; padding:13px 24px; border-radius:10px; font-weight:600; cursor:pointer; border:1px solid transparent; transition:.15s}
.btn:hover{text-decoration:none}
.btn-primary{background:#fff; color:var(--blue)}
.btn-primary:hover{background:#eaf1f9}
.btn-ghost{background:transparent; color:#fff; border-color:rgba(255,255,255,.55)}
.btn-ghost:hover{background:rgba(255,255,255,.12)}
.btn-disabled{background:rgba(255,255,255,.15); color:#cfe0f0; cursor:default}

.report-body{display:grid; grid-template-columns:1fr 340px; gap:40px; padding-top:44px; padding-bottom:60px}
.block{margin-bottom:40px}
.block p{color:#2c3644}
.findings{padding-left:22px; margin:0}
.findings li{margin-bottom:14px; padding-left:6px}
.findings li::marker{color:var(--blue); font-weight:700}

.gallery{display:grid; grid-template-columns:repeat(auto-fill,minmax(260px,1fr)); gap:16px; margin-top:16px}
.gallery figure{margin:0; background:#fff; border:1px solid var(--line); border-radius:10px; padding:10px; overflow:hidden}
.gallery img{width:100%; height:auto; display:block; border-radius:4px}

.report-aside{align-self:start; position:sticky; top:86px; display:flex; flex-direction:column; gap:18px}
.aside-card{background:#fff; border:1px solid var(--line); border-radius:var(--radius); padding:20px}
.aside-card h3{margin:0 0 12px; font-size:1.05rem}
.toc{margin:0; padding-left:20px}
.toc li{font-size:.9rem; margin-bottom:7px; color:#33404f}
.toc li::marker{color:var(--blue)}
.plain{list-style:none; margin:0; padding:0}
.plain li{font-size:.9rem; padding:7px 0; border-bottom:1px solid var(--line); color:#33404f}
.plain li:last-child{border-bottom:none}

/* 404 */
.notfound{padding:90px 22px; text-align:center}
.notfound h1{font-size:5rem; color:var(--blue); margin:0}

/* footer */
.site-footer{background:#0f2237; color:#c7d3e0; margin-top:20px; padding:34px 0}
.footer-inner{display:flex; justify-content:space-between; gap:24px; flex-wrap:wrap}
.site-footer a{color:#9fc0e6}

@media (max-width:900px){
  .report-body{grid-template-columns:1fr}
  .report-aside{position:static}
  .hero h1{font-size:2rem}
  .report-hero h1{font-size:1.7rem}
}