/* ==========================================================================
   Moscow RU — moscowrudubai.com
   ========================================================================== */

:root{
  --navy:#0b1b2b;
  --navy-2:#12283d;
  --gold:#c9a227;
  --gold-soft:#e3c766;
  --ink:#16202b;
  --body:#4b5a68;
  --line:#e4e8ee;
  --bg:#ffffff;
  --bg-alt:#f5f7fa;
  --radius:14px;
  --shadow:0 18px 45px -22px rgba(11,27,43,.45);
  --wrap:1180px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

*,*::before,*::after{box-sizing:border-box}

html{scroll-behavior:smooth;scroll-padding-top:82px}

body{
  margin:0;
  font-family:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  color:var(--body);
  background:var(--bg);
  font-size:17px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}

img{max-width:100%;display:block}

h1,h2,h3,h4{
  font-family:"Playfair Display",Georgia,serif;
  color:var(--ink);
  line-height:1.2;
  margin:0 0 .6em;
  font-weight:700;
}
h1{font-size:clamp(2.4rem,6vw,4rem)}
h2{font-size:clamp(1.8rem,3.6vw,2.6rem)}
h3{font-size:1.2rem}
p{margin:0 0 1.1em}

a{color:var(--navy);text-decoration:none;transition:color .2s}
a:hover{color:var(--gold)}

.wrap{width:min(100% - 2.5rem,var(--wrap));margin-inline:auto}
.wrap.narrow{width:min(100% - 2.5rem,820px)}
.muted{color:#7a8794}
.kicker{
  text-transform:uppercase;letter-spacing:.18em;font-size:.74rem;
  font-weight:700;color:var(--gold);margin-bottom:.6rem;
}
.lead{font-size:1.08rem}

.skip-link{
  position:absolute;left:-9999px;top:0;background:var(--gold);color:#fff;
  padding:.7rem 1.1rem;z-index:200;border-radius:0 0 8px 0;
}
.skip-link:focus{left:0}

:focus-visible{outline:3px solid var(--gold);outline-offset:3px}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  background:var(--gold);color:#12181f;font-weight:600;
  padding:.85rem 1.6rem;border-radius:999px;border:1px solid var(--gold);
  cursor:pointer;font-size:.95rem;transition:transform .2s var(--ease),box-shadow .2s,background .2s,color .2s;
  box-shadow:0 12px 24px -14px rgba(201,162,39,.9);
}
.btn:hover{transform:translateY(-2px);background:var(--gold-soft);color:#12181f}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.55);box-shadow:none}
.btn-ghost:hover{background:#fff;color:var(--navy);border-color:#fff}
.btn-sm{padding:.5rem 1rem;font-size:.85rem}
.btn-block{width:100%}

/* ---------- Header ---------- */
.site-header{
  position:fixed;inset:0 0 auto 0;z-index:100;
  background:rgba(11,27,43,.28);
  backdrop-filter:blur(10px);
  border-bottom:1px solid rgba(255,255,255,.12);
  transition:background .3s,box-shadow .3s,border-color .3s;
}
.site-header.is-stuck{
  background:rgba(255,255,255,.96);
  border-color:var(--line);
  box-shadow:0 10px 30px -22px rgba(11,27,43,.6);
}
.header-inner{display:flex;align-items:center;gap:1.2rem;min-height:78px}

.brand{display:flex;align-items:center;gap:.7rem;flex:0 0 auto}
.brand-mark{
  width:42px;height:42px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--gold),#8d6f10);
  color:#fff;font-weight:700;letter-spacing:.04em;font-size:.95rem;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-family:"Playfair Display",serif;font-size:1.15rem;color:#fff}
.brand-text em{font-style:normal;font-size:.68rem;letter-spacing:.14em;text-transform:uppercase;color:rgba(255,255,255,.68)}
.is-stuck .brand-text strong{color:var(--ink)}
.is-stuck .brand-text em{color:#8794a1}

.nav{margin-left:auto;display:flex;gap:1.35rem}
.nav a{
  color:rgba(255,255,255,.88);font-size:.92rem;font-weight:500;position:relative;padding:.3rem 0;
}
.nav a::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--gold);
  transition:width .25s var(--ease);
}
.nav a:hover::after,.nav a.is-current::after{width:100%}
.nav a:hover,.nav a.is-current{color:#fff}
.is-stuck .nav a{color:var(--body)}
.is-stuck .nav a:hover,.is-stuck .nav a.is-current{color:var(--ink)}

.header-actions{display:flex;align-items:center;gap:.8rem}
.lang{display:flex;gap:.35rem}
.lang-btn{
  display:flex;align-items:center;gap:.35rem;background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.25);color:#fff;border-radius:999px;
  padding:.3rem .6rem;font-size:.72rem;font-weight:600;cursor:pointer;transition:.2s;
}
.lang-btn img{border-radius:2px;height:14px;width:auto}
.lang-btn.is-active,.lang-btn:hover{background:var(--gold);border-color:var(--gold);color:#12181f}
.is-stuck .lang-btn{color:var(--ink);border-color:var(--line);background:#fff}
.is-stuck .lang-btn.is-active{background:var(--gold);border-color:var(--gold)}

.burger{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:.4rem}
.burger span{width:24px;height:2px;background:#fff;transition:.25s var(--ease);display:block}
.is-stuck .burger span{background:var(--ink)}
.burger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- Hero ---------- */
.hero{position:relative;min-height:100svh;display:flex;flex-direction:column;justify-content:center;overflow:hidden;color:#fff}
.hero-bg{
  position:absolute;inset:-4% 0 0;
  background:url('images/main_bg.jpg') center/cover no-repeat;
  transform:scale(1.04);
  animation:kenburns 24s ease-in-out infinite alternate;
  will-change:transform;
}
@keyframes kenburns{from{transform:scale(1.04) translateY(0)}to{transform:scale(1.14) translateY(-1.5%)}}
.hero-overlay{
  position:absolute;inset:0;
  background:
    linear-gradient(115deg,rgba(11,27,43,.93) 0%,rgba(11,27,43,.78) 45%,rgba(11,27,43,.45) 100%),
    radial-gradient(circle at 80% 20%,rgba(201,162,39,.28),transparent 55%);
}
.hero-content{position:relative;z-index:2;padding:8rem 0 3rem;max-width:820px}
.hero .eyebrow{
  text-transform:uppercase;letter-spacing:.24em;font-size:.74rem;font-weight:600;
  color:var(--gold-soft);margin-bottom:1rem;
}
.hero h1{color:#fff;margin-bottom:1.1rem}
.hero h1 span{color:var(--gold-soft);display:inline-block}
.hero .lead{color:rgba(255,255,255,.85);max-width:62ch;font-size:1.1rem}
.hero-cta{display:flex;flex-wrap:wrap;gap:.9rem;margin-top:2rem}

.stats-wrap{position:relative;z-index:2;margin-top:auto;padding-bottom:2.5rem}
.stats{
  list-style:none;margin:0;padding:1.4rem 1rem;display:grid;
  grid-template-columns:repeat(4,1fr);gap:1rem;text-align:center;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);
  border-radius:var(--radius);backdrop-filter:blur(8px);
}
.stats b{display:block;font-family:"Playfair Display",serif;font-size:2rem;color:var(--gold-soft)}
.stats span{font-size:.78rem;text-transform:uppercase;letter-spacing:.12em;color:rgba(255,255,255,.72)}

/* ---------- Banner slider (original 935x307 artwork) ---------- */
.banner-band{background:var(--navy);padding:2.5rem 1.25rem 3rem}
.banner{
  width:min(100%,935px);margin-inline:auto;position:relative;
  border-radius:var(--radius);overflow:hidden;box-shadow:0 30px 60px -30px rgba(0,0,0,.8);
}
.slides{position:relative;aspect-ratio:935/307;background:var(--navy-2)}
.slide{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
  opacity:0;transition:opacity 1s var(--ease);
}
.slide.is-active{opacity:1}
.slider-dots{
  position:absolute;bottom:.9rem;right:1.1rem;display:flex;gap:.45rem;z-index:2;
}
.slider-dots button{
  width:26px;height:4px;border:0;border-radius:99px;background:rgba(255,255,255,.45);
  cursor:pointer;transition:.3s;padding:0;
}
.slider-dots button.is-active{background:var(--gold);width:44px}

/* ---------- Sections ---------- */
.section{padding:6rem 0}
.section-alt{background:var(--bg-alt);border-block:1px solid var(--line)}
.section-head{max-width:680px;margin:0 auto 3rem;text-align:center}

.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:3.5rem;align-items:center}

/* Archived portraits are 177x213 — shown at native size, never upscaled. */
.people{display:flex;gap:1.4rem;justify-content:center;flex-wrap:wrap}
.people figure{margin:0;text-align:center;max-width:200px}
.people img{
  width:100%;max-width:177px;height:auto;border-radius:12px;
  border:6px solid #fff;box-shadow:var(--shadow);margin-inline:auto;
}
.people figcaption{
  margin-top:.8rem;font-size:.78rem;text-transform:uppercase;
  letter-spacing:.1em;color:#8794a1;font-weight:600;
}

.checklist{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:2rem;box-shadow:var(--shadow);
}
.checklist ul{list-style:none;margin:0 0 1.2rem;padding:0;display:grid;gap:.8rem}
.checklist li{position:relative;padding-left:2rem;font-size:.95rem}
.checklist li::before{
  content:"";position:absolute;left:0;top:.45rem;width:12px;height:7px;
  border-left:2px solid var(--gold);border-bottom:2px solid var(--gold);
  transform:rotate(-45deg);
}
.checklist p{margin:0;font-size:.85rem}

.mission{
  margin-top:2rem;padding:1.4rem 1.6rem;background:var(--bg-alt);
  border-left:4px solid var(--gold);border-radius:0 var(--radius) var(--radius) 0;
}
.mission h3{margin-bottom:.4rem}
.mission p{margin:0;font-size:.97rem}
.section-alt .mission{background:#fff}

/* ---------- Cards ---------- */
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(275px,1fr));gap:1.4rem}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:1.7rem 1.5rem;position:relative;overflow:hidden;
  transition:transform .3s var(--ease),box-shadow .3s,border-color .3s;
}
.card::before{
  content:"";position:absolute;inset:0 auto 0 0;width:3px;background:var(--gold);
  transform:scaleY(0);transform-origin:top;transition:transform .35s var(--ease);
}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:transparent}
.card:hover::before{transform:scaleY(1)}
.card h3{margin-bottom:.45rem}
.card p{margin:0;font-size:.94rem}

/* ---------- Benefits ---------- */
.benefits{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:2rem}
.benefits article{counter-increment:b;position:relative;padding-top:2.6rem}
.benefits article::before{
  content:"0" counter(b);position:absolute;top:0;left:0;
  font-family:"Playfair Display",serif;font-size:1.5rem;color:var(--gold);font-weight:700;
}
.benefits{counter-reset:b}
.benefits p{margin:0;font-size:.95rem}

/* ---------- Gallery (archived thumbnails are 75x75) ---------- */
.gallery{display:flex;flex-wrap:wrap;gap:1.1rem;justify-content:center}
.shot{
  padding:0;border:4px solid #fff;background:none;cursor:pointer;overflow:hidden;
  border-radius:14px;width:96px;height:96px;position:relative;box-shadow:var(--shadow);
  transition:transform .3s var(--ease);
}
.shot img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.shot::after{
  content:"";position:absolute;inset:0;background:rgba(11,27,43,.35);opacity:0;transition:opacity .3s;
}
.shot:hover{transform:translateY(-4px)}
.shot:hover img{transform:scale(1.12)}
.shot:hover::after{opacity:1}
.gallery-note{text-align:center;margin-top:1.6rem;font-size:.82rem}

/* ---------- FAQ ---------- */
.faq details{
  background:#fff;border:1px solid var(--line);border-radius:12px;
  margin-bottom:.85rem;overflow:hidden;transition:box-shadow .25s,border-color .25s;
}
.faq details[open]{box-shadow:var(--shadow);border-color:transparent}
.faq summary{
  cursor:pointer;list-style:none;padding:1.1rem 3rem 1.1rem 1.3rem;
  font-weight:600;color:var(--ink);position:relative;font-size:1rem;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
  content:"+";position:absolute;right:1.2rem;top:50%;transform:translateY(-50%);
  font-size:1.4rem;color:var(--gold);transition:transform .25s var(--ease);line-height:1;
}
.faq details[open] summary::after{transform:translateY(-50%) rotate(45deg)}
.faq p{margin:0;padding:0 1.3rem 1.3rem;font-size:.95rem}

/* ---------- Contact ---------- */
.contact-list{list-style:none;margin:1.6rem 0 0;padding:0;display:grid;gap:.9rem}
.contact-list li{display:grid;grid-template-columns:110px 1fr;gap:1rem;align-items:start;
  padding-bottom:.9rem;border-bottom:1px solid var(--line);font-size:.95rem}
.contact-list li:last-child{border-bottom:0}
.ci{text-transform:uppercase;letter-spacing:.12em;font-size:.7rem;font-weight:700;color:var(--gold);padding-top:.25rem}

.form{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:2rem;box-shadow:var(--shadow)}
.form h3{margin-bottom:1.2rem}
.field{margin-bottom:1rem}
.field label{display:block;font-size:.82rem;font-weight:600;color:var(--ink);margin-bottom:.35rem}
.opt{font-weight:400;color:#95a1ad}
.field input,.field select,.field textarea{
  width:100%;padding:.75rem .9rem;border:1px solid var(--line);border-radius:10px;
  font:inherit;font-size:.95rem;color:var(--ink);background:#fff;transition:border-color .2s,box-shadow .2s;
}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:0;border-color:var(--gold);box-shadow:0 0 0 3px rgba(201,162,39,.16);
}
.field textarea{resize:vertical}
.field.has-error input,.field.has-error textarea{border-color:#d64545}
.error{display:block;color:#d64545;font-size:.78rem;margin-top:.25rem;min-height:1em}
.form-note{margin:.9rem 0 0;font-size:.88rem;text-align:center;color:#2c7a4b;min-height:1.2em}

/* ---------- Footer ---------- */
.site-footer{background:var(--navy);color:rgba(255,255,255,.72);padding:4rem 0 1.5rem;font-size:.92rem}
.site-footer .brand{margin-bottom:1rem}
.site-footer .muted{color:rgba(255,255,255,.6)}
.site-footer .brand{justify-content:center}
.footer-grid{text-align:center}
.site-footer h4{color:#fff;font-size:.8rem;text-transform:uppercase;letter-spacing:.14em;font-family:"Inter",sans-serif;margin-bottom:1rem}
.site-footer a{color:rgba(255,255,255,.78)}
.site-footer a:hover{color:var(--gold-soft)}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1.4fr 1.2fr;gap:2.5rem}
.footer-grid nav{display:flex;flex-direction:column;gap:.5rem;align-items:center}
.footer-bottom{
  display:flex;justify-content:center;align-items:center;gap:1rem;flex-wrap:wrap;text-align:center;
  margin-top:3rem;padding-top:1.4rem;border-top:1px solid rgba(255,255,255,.12);font-size:.84rem;
}
.footer-bottom p{margin:0}

/* ---------- Lightbox ---------- */
.lightbox{
  position:fixed;inset:0;z-index:150;display:grid;place-items:center;
  background:rgba(8,15,23,.94);padding:3rem;
  animation:fade .25s var(--ease);
}
.lightbox[hidden]{display:none}
.lightbox img{
  width:auto;height:auto;max-width:min(935px,92vw);max-height:84vh;
  border-radius:10px;object-fit:contain;image-rendering:auto;
}
.lb-close,.lb-nav{
  position:absolute;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.25);
  color:#fff;cursor:pointer;border-radius:50%;display:grid;place-items:center;transition:.2s;
}
.lb-close{top:1.5rem;right:1.5rem;width:44px;height:44px;font-size:1.6rem;line-height:1}
.lb-nav{top:50%;transform:translateY(-50%);width:52px;height:52px;font-size:2rem;line-height:1}
.lb-prev{left:1.5rem}
.lb-next{right:1.5rem}
.lb-close:hover,.lb-nav:hover{background:var(--gold);border-color:var(--gold);color:#12181f}
@keyframes fade{from{opacity:0}to{opacity:1}}

/* ---------- Reveal ---------- */
[data-reveal]{opacity:0;transform:translateY(26px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
[data-reveal].is-visible{opacity:1;transform:none}

/* ---------- Responsive ---------- */
@media (max-width:1040px){
  .footer-grid{grid-template-columns:1fr 1fr}
}

@media (max-width:900px){
  .burger{display:flex}
  .nav{
    position:fixed;top:78px;right:0;bottom:auto;left:0;flex-direction:column;gap:0;
    background:#fff;padding:1rem 1.25rem 1.6rem;border-bottom:1px solid var(--line);
    box-shadow:var(--shadow);max-height:calc(100svh - 78px);overflow-y:auto;
    opacity:0;visibility:hidden;pointer-events:none;transform:translateY(-1rem);
    transition:opacity .25s var(--ease),visibility .25s,transform .35s var(--ease);
    margin:0;align-items:center;text-align:center;
  }
  .nav.is-open{opacity:1;visibility:visible;pointer-events:auto;transform:none}
  .nav a,.is-stuck .nav a{color:var(--ink);padding:.85rem 0;border-bottom:1px solid var(--line);font-size:1rem}
  .nav a::after{display:none}
  .header-actions .btn-sm{display:none}
  .grid-2{grid-template-columns:1fr;gap:2.5rem}
  .people{order:2}
  .stats{grid-template-columns:repeat(2,1fr)}
  .section{padding:4.5rem 0}
}

@media (max-width:640px){
  body{font-size:16px}
  .hero-content{padding-top:7rem}
  .shot{width:78px;height:78px}
  .contact-list li{grid-template-columns:1fr;gap:.15rem}
  .footer-grid{grid-template-columns:1fr;gap:2rem}
  .form{padding:1.4rem}
  .checklist{padding:1.4rem}
  .lightbox{padding:1rem}
  .lb-nav{width:42px;height:42px}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important}
  html{scroll-behavior:auto}
  [data-reveal]{opacity:1;transform:none}
}