/* ============ TOKENS ============ */
:root{
  --navy:#061430;
  --navy-2:#0c2350;
  --ink:#040c1e;
  --accent:#2fd8c8;
  --accent-deep:#0ea896;
  --paper:#f6f4ee;
  --paper-2:#edeae1;
  --muted:#9fb0ca;
  --muted-dark:#4d5b75;
  --line:rgba(255,255,255,.14);
  --line-dark:rgba(10,25,55,.16);
  --serif:'Playfair Display','Noto Serif SC',Georgia,serif;
  --sans:'Inter','PingFang SC','Microsoft YaHei',-apple-system,sans-serif;
  --cn:'Noto Serif SC','PingFang SC','Microsoft YaHei',serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:var(--sans);
  background:var(--navy);
  color:#fff;
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
::selection{background:var(--accent);color:var(--navy)}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
address{font-style:normal}

/* ============ TYPO HELPERS ============ */
.eyebrow{
  font-size:12px;font-weight:600;letter-spacing:.34em;text-transform:uppercase;
  color:var(--accent);margin-bottom:22px;
}
.eyebrow--dark{color:var(--accent-deep)}
.title{
  font-family:var(--serif);font-weight:500;
  font-size:clamp(34px,4.6vw,58px);line-height:1.12;letter-spacing:-.015em;
}
.title em{font-style:italic;color:var(--accent)}
.title--dark{color:var(--navy)}
.lead{font-size:clamp(16px,1.4vw,19px);color:var(--muted);max-width:560px;margin:26px 0 30px}
.lead--dark{color:var(--muted-dark)}
.section{padding:clamp(90px,11vw,150px) clamp(24px,7vw,110px);position:relative}
.section--dark{background:linear-gradient(180deg,var(--navy) 0%,var(--navy-2) 130%);padding:clamp(90px,11vw,150px) clamp(24px,7vw,110px);position:relative}
.section--light{background:var(--paper);color:var(--navy);padding:clamp(90px,11vw,150px) clamp(24px,7vw,110px);position:relative}
.section__head{max-width:900px;margin-bottom:clamp(46px,6vw,80px)}

.side-label{
  position:absolute;top:clamp(90px,11vw,150px);left:clamp(6px,1.4vw,26px);
  transform:rotate(180deg);writing-mode:vertical-rl;
  font-size:11px;font-weight:600;letter-spacing:.42em;text-transform:uppercase;
  color:var(--muted-dark);opacity:.75;
}
.side-label--dark{color:var(--muted)}

/* ============ BUTTONS ============ */
.btn{
  display:inline-flex;align-items:center;gap:10px;
  font-size:14px;font-weight:600;letter-spacing:.06em;
  padding:16px 30px;border:1px solid transparent;cursor:pointer;
  transition:background .35s,color .35s,border-color .35s,transform .35s;
  background:none;font-family:var(--sans);
}
.btn:hover{transform:translateY(-2px)}
.btn--accent{background:var(--accent);color:var(--navy)}
.btn--accent:hover{background:#5cf0d6}
.btn--line{border-color:rgba(255,255,255,.35);color:#fff}
.btn--line:hover{border-color:var(--accent);color:var(--accent)}
.btn--ghost{border-color:rgba(255,255,255,.28);color:#fff;padding:11px 22px;font-size:12px}
.btn--ghost:hover{border-color:var(--accent);color:var(--accent)}
.btn--dark{background:var(--navy);color:#fff}
.btn--dark:hover{background:var(--navy-2)}

/* ============ NAV ============ */
.nav{
  position:fixed;inset:0 0 auto 0;z-index:100;
  display:flex;align-items:center;justify-content:space-between;
  padding:18px clamp(20px,4vw,54px);
  transition:background .4s,padding .4s,border-color .4s;
  border-bottom:1px solid transparent;
}
.nav--scrolled{background:rgba(6,20,48,.88);backdrop-filter:blur(14px);border-color:var(--line);padding:12px clamp(20px,4vw,54px)}
.nav__logo{display:flex;flex-direction:column;line-height:1.1}
.nav__logo-cn{font-family:var(--cn);font-weight:700;font-size:22px;letter-spacing:.14em}
.nav__logo-en{font-size:9px;letter-spacing:.44em;color:var(--muted);margin-top:3px}
.nav__links{display:flex;gap:clamp(18px,3vw,42px)}
.nav__links a{
  font-size:13px;font-weight:500;letter-spacing:.12em;text-transform:uppercase;
  overflow:hidden;height:1.25em;line-height:1.25em;position:relative;
}
.nav__links a .ch{display:inline-block;transition:transform .45s cubic-bezier(.6,0,.2,1)}
.nav__links a:hover .ch{transform:translateY(-100%);color:var(--accent)}
.nav__right{display:flex;align-items:center;gap:14px}
.nav__burger{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:6px}
.nav__burger span{width:24px;height:2px;background:#fff;transition:.3s}

/* ============ HERO ============ */
.hero{position:relative;min-height:100vh;display:flex;align-items:flex-end;padding:0 clamp(24px,7vw,110px) clamp(70px,9vh,120px);overflow:hidden}
.hero__bg{position:absolute;inset:0}
.hero__img{width:100%;height:100%;object-fit:cover;animation:heroZoom 14s ease-out forwards}
@keyframes heroZoom{from{transform:scale(1.12)}to{transform:scale(1)}}
.hero__overlay{position:absolute;inset:0;background:linear-gradient(180deg,rgba(6,20,48,.55) 0%,rgba(6,20,48,.35) 45%,rgba(6,20,48,.92) 100%)}
.hero__frame{
  position:absolute;inset:clamp(84px,10vh,110px) clamp(24px,7vw,110px) 26px;
  border:1px solid rgba(255,255,255,.22);pointer-events:none;
}
.hero__coord{position:absolute;top:-11px;left:26px;background:var(--navy);padding:0 12px;font-size:11px;letter-spacing:.3em;color:var(--muted)}
.hero__coord--right{left:auto;right:26px;font-family:var(--cn);letter-spacing:.5em}
.hero__content{position:relative;z-index:2;max-width:880px}
.hero__eyebrow{font-size:12px;font-weight:600;letter-spacing:.4em;text-transform:uppercase;color:var(--accent);margin-bottom:26px}
.hero__title{font-family:var(--serif);font-weight:500;font-size:clamp(46px,7.6vw,104px);line-height:1.04;letter-spacing:-.02em}
.hero__title span{display:block}
.hero__title em{font-style:italic;color:var(--accent)}
.hero__sub{margin:30px 0 38px;color:#d7e0ee;font-size:clamp(15px,1.35vw,18px)}
.hero__cta{display:flex;gap:16px;flex-wrap:wrap}
.hero__scroll{
  position:absolute;right:clamp(34px,7.6vw,120px);bottom:0;z-index:2;
  writing-mode:vertical-rl;font-size:10px;letter-spacing:.4em;text-transform:uppercase;color:var(--muted);
  display:flex;align-items:center;gap:12px;padding-bottom:26px;
}
.hero__scroll span{width:1px;height:56px;background:linear-gradient(180deg,var(--accent),transparent);animation:scrollPulse 2s infinite}
@keyframes scrollPulse{0%,100%{opacity:.4}50%{opacity:1}}

/* ============ MARQUEE ============ */
.marquee{background:var(--accent);color:var(--navy);overflow:hidden;padding:16px 0;border-block:1px solid rgba(0,0,0,.12)}
.marquee__track{display:flex;width:max-content;animation:marquee 26s linear infinite}
.marquee__track span{font-size:14px;font-weight:700;letter-spacing:.22em;text-transform:uppercase;white-space:nowrap;padding-right:12px}
.marquee__track i{font-style:normal;margin:0 22px;opacity:.55}
@keyframes marquee{to{transform:translateX(-50%)}}

/* ============ SERVICES ============ */
.services{background:var(--paper);color:var(--navy)}
.services__list{border-top:1px solid var(--line-dark)}
.service-row{border-bottom:1px solid var(--line-dark)}
.service-row__inner{
  display:grid;grid-template-columns:70px 1.1fr auto .9fr 50px;align-items:center;gap:clamp(14px,2.5vw,40px);
  padding:clamp(24px,3vw,38px) 6px;transition:padding .35s,background .35s;
}
.service-row__inner:hover{background:rgba(10,25,55,.045);padding-left:22px}
.service-row__num{font-family:var(--serif);font-size:20px;font-style:italic;color:var(--accent-deep)}
.service-row__name{
  font-family:var(--serif);font-size:clamp(22px,2.5vw,34px);font-weight:500;letter-spacing:-.01em;
  text-decoration:underline;text-decoration-color:transparent;text-underline-offset:5px;text-decoration-thickness:2px;
  transition:text-decoration-color .35s;
}
.service-row__inner:hover .service-row__name{text-decoration-color:var(--accent-deep)}
.service-row__cn{font-family:var(--cn);font-size:14px;letter-spacing:.4em;color:var(--muted-dark)}
.service-row__desc{font-size:14px;color:var(--muted-dark);max-width:380px}
.service-row__arrow{font-size:22px;color:var(--accent-deep);transition:transform .35s}
.service-row__inner:hover .service-row__arrow{transform:translateX(8px)}

/* ============ OFFICE BAND ============ */
.band{position:relative;min-height:70vh;display:flex;align-items:center;overflow:hidden;padding:clamp(80px,10vw,130px) clamp(24px,7vw,110px)}
.band__img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.band__overlay{position:absolute;inset:0;background:linear-gradient(90deg,rgba(6,20,48,.9) 0%,rgba(6,20,48,.55) 55%,rgba(6,20,48,.25) 100%)}
.band__content{position:relative;z-index:2;max-width:760px}
.band__title{font-family:var(--serif);font-weight:500;font-size:clamp(34px,4.6vw,60px);line-height:1.12}
.band__title em{font-style:italic;color:var(--accent)}
.band__text{margin-top:24px;color:#d7e0ee;font-size:clamp(15px,1.3vw,18px)}

/* ============ SPLIT SECTIONS ============ */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(40px,6vw,90px);align-items:center}
.split__media{position:relative}
.split__media img{width:100%;aspect-ratio:4/5;object-fit:cover}
.split__media figcaption{
  position:absolute;left:-14px;bottom:26px;background:var(--accent);color:var(--navy);
  font-size:11px;font-weight:700;letter-spacing:.24em;text-transform:uppercase;padding:10px 18px;
}
.exhibition .split__media figcaption{background:var(--accent)}
.medical .split__media figcaption{background:var(--navy);color:#fff}
.ticks{margin:0 0 36px;display:grid;gap:14px;max-width:560px}
.ticks li{
  position:relative;padding-left:32px;font-size:15px;
}
.ticks li::before{
  content:'';position:absolute;left:0;top:.48em;width:16px;height:16px;border-radius:50%;
  border:1.5px solid var(--accent);background:
    radial-gradient(circle at center,var(--accent) 0 4px,transparent 5px);
}
.ticks--dark li{color:#24314d}
.ticks--dark li::before{border-color:var(--accent-deep);background:radial-gradient(circle at center,var(--accent-deep) 0 4px,transparent 5px)}

/* ============ SPORT SLIDER ============ */
.slider{
  display:flex;gap:clamp(16px,2vw,28px);overflow-x:auto;
  scroll-snap-type:x mandatory;padding:6px 6px 26px;
  scrollbar-width:none;
}
.slider::-webkit-scrollbar{display:none}
.sport-card{
  flex:0 0 clamp(270px,26vw,380px);scroll-snap-align:start;position:relative;
  background:var(--navy-2);border:1px solid var(--line);
  transition:transform .45s,border-color .45s;
}
.sport-card:hover{transform:translateY(-6px);border-color:var(--accent)}
.sport-card img{width:100%;aspect-ratio:3/4;object-fit:cover;filter:saturate(.92)}
.sport-card__body{padding:24px 24px 28px}
.sport-card__idx{font-size:11px;letter-spacing:.3em;color:var(--accent)}
.sport-card__body h3{font-family:var(--serif);font-size:26px;font-weight:500;margin:10px 0 8px}
.sport-card__body p{font-size:14px;color:var(--muted)}
.slider__controls{display:flex;align-items:center;gap:16px;margin-top:10px}
.slider__btn{
  width:52px;height:52px;border:1px solid rgba(255,255,255,.3);background:none;color:#fff;
  font-size:20px;cursor:pointer;transition:.3s;font-family:var(--sans);
}
.slider__btn:hover{border-color:var(--accent);color:var(--accent)}
.slider__controls .btn{margin-left:auto}

/* ============ STEPS ============ */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:clamp(20px,2.6vw,36px)}
.step{border-top:2px solid var(--navy);padding-top:24px}
.step__num{font-family:var(--serif);font-style:italic;font-size:38px;color:var(--accent-deep)}
.step h3{font-family:var(--serif);font-size:22px;font-weight:500;margin:14px 0 10px}
.step p{font-size:14px;color:var(--muted-dark)}

/* ============ FAQ ============ */
.faq__list{border-top:1px solid var(--line-dark);max-width:900px}
.faq__item{border-bottom:1px solid var(--line-dark)}
.faq__item summary{
  list-style:none;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:20px;
  font-family:var(--serif);font-size:clamp(18px,2vw,24px);font-weight:500;color:var(--navy);
  padding:26px 6px;transition:padding .3s;
}
.faq__item summary::-webkit-details-marker{display:none}
.faq__item summary:hover{padding-left:16px}
.faq__icon{position:relative;flex:0 0 34px;width:34px;height:34px;border:1px solid var(--navy);border-radius:50%}
.faq__icon::before,.faq__icon::after{
  content:'';position:absolute;top:50%;left:50%;background:var(--navy);
  transition:transform .35s;
}
.faq__icon::before{width:12px;height:1.5px;transform:translate(-50%,-50%)}
.faq__icon::after{width:1.5px;height:12px;transform:translate(-50%,-50%)}
.faq__item[open] .faq__icon::after{transform:translate(-50%,-50%) rotate(90deg)}
.faq__item[open] .faq__icon{background:var(--accent-deep);border-color:var(--accent-deep)}
.faq__item[open] .faq__icon::before,.faq__item[open] .faq__icon::after{background:#fff}
.faq__item p{padding:0 46px 28px 6px;color:var(--muted-dark);font-size:15px;max-width:720px}

/* ============ CONTACTS ============ */
.contacts__grid{display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(44px,6vw,90px);align-items:start}
.contacts__cards{display:grid;gap:12px;margin-top:36px;max-width:520px}
.contact-card{
  display:flex;justify-content:space-between;align-items:baseline;gap:20px;
  border:1px solid var(--line);padding:20px 24px;transition:border-color .3s,background .3s;
}
.contact-card:hover{border-color:var(--accent);background:rgba(47,224,192,.06)}
.contact-card__label{font-size:11px;letter-spacing:.28em;text-transform:uppercase;color:var(--muted)}
.contact-card__value{font-family:var(--serif);font-size:clamp(18px,1.6vw,23px)}
.contact-card__value--cn{font-family:var(--cn);letter-spacing:.06em}
.contacts__person{margin-top:22px;font-size:13px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.contacts__form{
  border:1px solid var(--line);padding:clamp(26px,3vw,44px);
  background:rgba(255,255,255,.03);
}
.contacts__form-title{font-size:11px;letter-spacing:.34em;text-transform:uppercase;color:var(--accent);margin-bottom:26px}
.contacts__form label{display:block;font-size:11px;letter-spacing:.26em;text-transform:uppercase;color:var(--muted);margin-bottom:22px}
.contacts__form input,.contacts__form select,.contacts__form textarea{
  display:block;width:100%;margin-top:8px;background:transparent;border:0;border-bottom:1px solid rgba(255,255,255,.3);
  color:#fff;font-family:var(--sans);font-size:16px;padding:10px 2px;outline:none;
  transition:border-color .4s;resize:vertical;border-radius:0;
}
.contacts__form select option{color:var(--navy)}
.contacts__form input:focus,.contacts__form select:focus,.contacts__form textarea:focus{border-color:var(--accent)}
.contacts__form ::placeholder{color:rgba(255,255,255,.35)}
.contacts__form .btn{width:100%;justify-content:center;margin-top:8px}
.contacts__note{font-size:12px;color:var(--muted);margin-top:16px;text-align:center}
.contacts__address{
  margin-top:clamp(50px,7vw,90px);border-top:1px solid var(--line);padding-top:34px;
  display:grid;gap:10px;max-width:820px;
}
.contacts__address-ru{color:var(--muted);font-size:14px}

/* ============ FOOTER ============ */
.footer{background:var(--ink)}
.footer__cta{
  background:var(--accent);color:var(--navy);
  display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
  padding:clamp(30px,4vw,52px) clamp(24px,7vw,110px);
}
.footer__cta p{font-family:var(--cn);font-weight:700;font-size:clamp(18px,2.4vw,28px);letter-spacing:.12em}
.footer__main{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:clamp(28px,4vw,60px);
  padding:clamp(50px,6vw,80px) clamp(24px,7vw,110px);
}
.footer__brand .nav__logo-cn{font-size:26px}
.footer__brand p{color:var(--muted);font-size:14px;margin-top:14px;max-width:300px}
.footer__col h4{font-size:11px;letter-spacing:.3em;text-transform:uppercase;color:var(--accent);margin-bottom:18px;font-weight:600}
.footer__col a,.footer__col p{display:block;color:var(--muted);font-size:14px;margin-bottom:10px;transition:color .3s}
.footer__col a:hover{color:var(--accent)}
.footer__base{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  border-top:1px solid var(--line);padding:22px clamp(24px,7vw,110px);
  font-size:12px;letter-spacing:.14em;color:var(--muted);
}

/* ============ REVEAL ============ */
.reveal{opacity:0;transform:translateY(34px);transition:opacity .9s cubic-bezier(.2,.6,.2,1),transform .9s cubic-bezier(.2,.6,.2,1)}
.reveal--delay-1{transition-delay:.12s}
.reveal--delay-2{transition-delay:.24s}
.reveal--delay-3{transition-delay:.36s}
.reveal--in{opacity:1;transform:none}

/* ============ RESPONSIVE ============ */
@media (max-width:1080px){
  .service-row__inner{grid-template-columns:56px 1fr auto;grid-template-rows:auto auto}
  .service-row__desc{grid-column:2/3;max-width:100%}
  .service-row__arrow{display:none}
  .split{grid-template-columns:1fr}
  .split__media{max-width:560px}
  .steps{grid-template-columns:repeat(2,1fr);row-gap:44px}
  .contacts__grid{grid-template-columns:1fr}
  .footer__main{grid-template-columns:1fr 1fr}
}
@media (max-width:760px){
  .nav__links{
    position:fixed;inset:0;background:rgba(6,20,48,.97);backdrop-filter:blur(16px);
    flex-direction:column;align-items:center;justify-content:center;gap:34px;
    opacity:0;pointer-events:none;transition:opacity .35s;
  }
  .nav__links--open{opacity:1;pointer-events:auto}
  .nav__links a{font-size:20px}
  .nav__burger{display:flex;z-index:110}
  .nav__burger--open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .nav__burger--open span:nth-child(2){opacity:0}
  .nav__burger--open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
  .nav__right .btn{display:none}
  .side-label{display:none}
  .hero__frame{inset:76px 14px 18px}
  .hero__scroll{display:none}
  .split__media figcaption{position:static;display:inline-block;margin-top:12px;left:auto;bottom:auto;font-size:10px;letter-spacing:.18em}
  .contact-card{flex-direction:column;align-items:flex-start;gap:4px;padding:18px 20px}
  .contact-card__value{font-size:19px;letter-spacing:0}
  .steps{grid-template-columns:1fr}
  .footer__main{grid-template-columns:1fr}
  .slider__controls .btn{margin-left:0;width:100%;justify-content:center}
  .slider__controls{flex-wrap:wrap}
}