/* ============ TOKENS ============ */
:root{
  --bg:#14110d;
  --bg-2:#1b1712;
  --surface:#211c16;
  --line:rgba(200,169,106,.18);
  --ink:#f3ece0;
  --ink-soft:#c9c0b1;
  --ink-mute:#938a7c;
  --brass:#c8a96a;
  --brass-2:#dcc28c;
  --brass-deep:#a8884b;

  --font-display:'Cormorant Garamond','Georgia',serif;
  --font-body:'Source Sans 3','Helvetica Neue',sans-serif;

  --maxw:1180px;
  --r:4px;
  --ease:cubic-bezier(.16,1,.3,1);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--bg);
  color:var(--ink);
  font-family:var(--font-body);
  font-size:17px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.container{max-width:var(--maxw);margin:0 auto;padding:0 28px}

/* ============ TYPE ============ */
h1,h2,h3{font-family:var(--font-display);font-weight:500;line-height:1.1;letter-spacing:.01em}
.eyebrow{
  font-size:.78rem;letter-spacing:.28em;text-transform:uppercase;
  color:var(--brass);font-weight:600;margin-bottom:1.1rem;
}
.section{padding:clamp(72px,9vw,140px) 0}
.section__title{font-size:clamp(2rem,4vw,3.1rem);color:var(--ink)}
.section__head{max-width:680px;margin-bottom:clamp(40px,5vw,64px)}

/* ============ HEADER ============ */
.header{
  position:fixed;top:0;left:0;right:0;z-index:60;
  background:rgba(20,17,13,.55);
  backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:background .4s var(--ease),border-color .4s var(--ease);
}
.header.is-scrolled{background:rgba(20,17,13,.92);border-bottom-color:var(--line)}
.header__inner{display:flex;align-items:center;justify-content:space-between;height:74px;gap:24px}
.brand{display:flex;align-items:center;gap:11px;color:var(--ink)}
.brand__mark{width:22px;height:28px;color:var(--brass);flex:none}
.brand__text{font-family:var(--font-display);font-size:1.32rem;letter-spacing:.02em}
.brand--sm .brand__text,.brand--sm span{font-family:var(--font-display);font-size:1.15rem}

.nav{display:flex;gap:34px}
.nav a{
  font-size:.92rem;color:var(--ink-soft);letter-spacing:.02em;
  position:relative;padding:4px 0;transition:color .25s;
}
.nav a::after{
  content:"";position:absolute;left:0;bottom:-2px;width:0;height:1px;
  background:var(--brass);transition:width .3s var(--ease);
}
.nav a:hover{color:var(--ink)}
.nav a:hover::after{width:100%}

.header__actions{display:flex;align-items:center;gap:18px}
.lang{display:flex;border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.lang__btn{
  background:none;border:none;color:var(--ink-mute);cursor:pointer;
  font-family:var(--font-body);font-size:.78rem;font-weight:600;letter-spacing:.06em;
  padding:7px 11px;transition:.25s;
}
.lang__btn+.lang__btn{border-left:1px solid var(--line)}
.lang__btn:hover{color:var(--ink)}
.lang__btn.is-active{background:var(--brass);color:#1a140a}

.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:6px}
.nav-toggle span{width:24px;height:2px;background:var(--ink);transition:.3s var(--ease)}

/* ============ BUTTONS ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  font-family:var(--font-body);font-size:.92rem;font-weight:600;letter-spacing:.04em;
  padding:14px 30px;border-radius:var(--r);cursor:pointer;transition:.3s var(--ease);
  border:1px solid transparent;
}
.btn--primary{background:var(--brass);color:#1a140a}
.btn--primary:hover{background:var(--brass-2);transform:translateY(-2px)}
.btn--ghost{border-color:var(--line);color:var(--ink-soft)}
.btn--ghost:hover{border-color:var(--brass);color:var(--ink)}
.btn--full{width:100%}

/* ============ HERO ============ */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;overflow:hidden}
.hero__bg{
  position:absolute;inset:0;
  background:url('assets/hero.png') center/cover no-repeat;
  transform:scale(1.05);
}
.hero__overlay{
  position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(15,12,9,.94) 0%,rgba(15,12,9,.74) 45%,rgba(15,12,9,.42) 100%);
}
.hero__content{position:relative;z-index:2;max-width:740px;padding-top:74px}
.hero__eyebrow{
  font-size:.82rem;letter-spacing:.3em;text-transform:uppercase;color:var(--brass);
  font-weight:600;margin-bottom:1.6rem;
}
.hero__title{font-size:clamp(2.6rem,6.4vw,5rem);color:#fff;letter-spacing:0}
.hero__sub{
  font-size:clamp(1.05rem,1.7vw,1.28rem);color:var(--ink-soft);
  max-width:560px;margin:1.8rem 0 2.6rem;line-height:1.6;
}
.hero__cta{display:flex;gap:16px;flex-wrap:wrap}
.hero__scroll{position:absolute;bottom:34px;left:50%;transform:translateX(-50%);z-index:2}
.hero__scroll span{
  display:block;width:1px;height:54px;background:linear-gradient(var(--brass),transparent);
  animation:scrollPulse 2.4s var(--ease) infinite;
}
@keyframes scrollPulse{0%,100%{opacity:.3;transform:scaleY(.6)}50%{opacity:1;transform:scaleY(1)}}

/* ============ ABOUT ============ */
.about{background:var(--bg-2)}
.about__grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:clamp(40px,6vw,90px);align-items:center}
.about__media{position:relative}
.about__media img{border-radius:var(--r);border:1px solid var(--line);width:100%}
.about__badge{
  position:absolute;bottom:-22px;right:-18px;
  background:var(--brass);color:#1a140a;border-radius:var(--r);
  padding:16px 22px;text-align:center;box-shadow:0 20px 40px rgba(0,0,0,.4);
}
.about__badge-num{display:block;font-family:var(--font-display);font-size:2rem;font-weight:600;line-height:1}
.about__badge-label{font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;font-weight:600}
.about__text p{color:var(--ink-soft);margin-bottom:1.2rem;max-width:60ch}
.creds{list-style:none;margin-top:2rem;border-top:1px solid var(--line)}
.creds li{
  display:flex;justify-content:space-between;gap:20px;
  padding:15px 0;border-bottom:1px solid var(--line);flex-wrap:wrap;
}
.creds li span{color:var(--ink-mute);font-size:.86rem;letter-spacing:.04em}
.creds li strong{color:var(--ink);font-weight:500}

/* ============ STATS ============ */
.stats{background:var(--bg);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.stats__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line)}
.stat{background:var(--bg);padding:clamp(28px,4vw,46px) 24px;text-align:center}
.stat__num{font-family:var(--font-display);font-size:clamp(2.4rem,4.4vw,3.4rem);color:var(--brass);line-height:1;font-weight:600}
.stat__num span{font-size:.55em}
.stat__label{margin-top:.7rem;font-size:.84rem;color:var(--ink-soft);letter-spacing:.05em}

/* ============ TIMELINE / CV ============ */
.cv{background:var(--bg-2)}
.timeline{position:relative;max-width:820px;margin:0 auto;padding-left:34px}
.timeline::before{content:"";position:absolute;left:7px;top:6px;bottom:6px;width:1px;background:var(--line)}
.tl-item{position:relative;padding-bottom:42px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
  content:"";position:absolute;left:-34px;top:5px;width:15px;height:15px;border-radius:50%;
  background:var(--bg-2);border:2px solid var(--brass);
}
.tl-year{font-size:.82rem;letter-spacing:.12em;color:var(--brass);font-weight:600;text-transform:uppercase}
.tl-title{font-family:var(--font-display);font-size:1.45rem;color:var(--ink);margin:.25rem 0 .35rem}
.tl-place{color:var(--ink-soft);font-size:.98rem}

/* ============ SERVICES ============ */
.services__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.service{background:var(--bg-2);padding:clamp(28px,3.4vw,42px);transition:background .35s var(--ease)}
.service:hover{background:var(--surface)}
.service__no{font-family:var(--font-display);font-size:1.1rem;color:var(--brass);letter-spacing:.1em}
.service h3{font-size:1.4rem;color:var(--ink);margin:.9rem 0 .7rem}
.service p{color:var(--ink-soft);font-size:.98rem;line-height:1.6}

/* ============ CERTS / QUALIFICATIONS ============ */
.certs{background:var(--bg)}
/* official credential documents (diploma + specialist) */
.docs__grid{display:grid;grid-template-columns:repeat(2,1fr);gap:clamp(20px,3vw,34px);margin-bottom:clamp(48px,6vw,76px)}
.doc{background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;transition:border-color .35s var(--ease),transform .35s var(--ease)}
.doc:hover{border-color:var(--brass);transform:translateY(-3px)}
.doc__img{background:#0f0d0a;overflow:hidden}
.doc__img img{width:100%;display:block;object-fit:contain;transition:transform .8s var(--ease)}
.doc:hover .doc__img img{transform:scale(1.03)}
.doc figcaption{padding:20px 24px 24px}
.doc--textonly figcaption{padding:28px 28px 30px;border-left:3px solid var(--brass)}
.doc figcaption h3{font-family:var(--font-display);font-size:1.32rem;color:var(--ink);margin-bottom:.4rem}
.doc figcaption p{color:var(--ink-soft);font-size:.92rem;line-height:1.55}

/* subsection heading */
.section__sub{max-width:760px;margin-bottom:clamp(24px,3vw,36px)}
.section__subtitle{font-family:var(--font-display);font-size:clamp(1.5rem,2.6vw,2.05rem);color:var(--ink)}
.section__subnote{color:var(--ink-mute);font-size:.94rem;margin-top:.5rem;letter-spacing:.02em}

/* congress certificate gallery */
.docs__gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(16px,2.2vw,26px);margin-bottom:clamp(48px,6vw,76px)}
.docfig{background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;display:flex;flex-direction:column;transition:border-color .35s var(--ease),transform .35s var(--ease)}
.docfig:hover{border-color:var(--brass);transform:translateY(-3px)}
.docfig__img{aspect-ratio:4/3;background:#f4efe6;overflow:hidden;display:flex;align-items:center;justify-content:center}
.docfig__img img{width:100%;height:100%;object-fit:cover;object-position:center;transition:transform .8s var(--ease)}
.docfig:hover .docfig__img img{transform:scale(1.05)}
.docfig figcaption{padding:16px 18px 18px;display:flex;flex-direction:column;gap:5px;flex:1}
.docfig figcaption strong{font-family:var(--font-display);font-size:1.06rem;color:var(--ink);font-weight:600;line-height:1.25}
.docfig figcaption span{color:var(--ink-soft);font-size:.84rem;line-height:1.45}

/* continuing-education cards */
.fb__grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.fb{background:var(--bg-2);padding:clamp(24px,2.8vw,34px);transition:background .35s var(--ease)}
.fb:hover{background:var(--surface)}
.fb__date{font-size:.78rem;letter-spacing:.12em;color:var(--brass);font-weight:600;text-transform:uppercase;margin-bottom:.7rem}
.fb h4{font-family:var(--font-display);font-size:1.24rem;color:var(--ink);margin-bottom:.5rem;line-height:1.25}
.fb p{color:var(--ink-soft);font-size:.92rem;line-height:1.55}

/* ============ GALLERY ============ */
.gallery{background:var(--bg)}
.gallery__strip{
  display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:14px;
  max-width:1320px;margin:0 auto;padding:0 14px;
}
.gallery__item{overflow:hidden;border-radius:var(--r);border:1px solid var(--line);aspect-ratio:4/3}
.gallery__item--lg{grid-row:span 1}
.gallery__item img{width:100%;height:100%;object-fit:cover;transition:transform .8s var(--ease)}
.gallery__item:hover img{transform:scale(1.06)}

/* ============ TESTIMONIALS ============ */
.testimonials{background:var(--bg-2)}
.testimonials__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.quote{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r);
  padding:34px 30px;position:relative;
}
.quote::before{content:"\201C";font-family:var(--font-display);font-size:4rem;color:var(--brass);
  position:absolute;top:6px;left:18px;opacity:.4;line-height:1}
.quote p{color:var(--ink);font-family:var(--font-display);font-size:1.22rem;line-height:1.45;font-style:italic;margin:1.2rem 0 1.4rem}
.quote footer{color:var(--brass);font-size:.86rem;letter-spacing:.06em;font-weight:600;font-style:normal}
.rating-badge{display:inline-flex;align-items:center;gap:.6em;margin-top:18px;padding:9px 18px;
  border:1px solid var(--line);border-radius:999px;background:var(--surface)}
.rating-badge__stars{color:var(--brass);letter-spacing:.12em;font-size:.95rem}
.rating-badge__score{color:var(--ink);font-weight:700;font-size:1rem}
.rating-badge__meta{color:var(--ink-soft);font-size:.82rem;letter-spacing:.02em;opacity:.85}
.quote__stars{display:block;color:var(--brass);letter-spacing:.14em;font-size:.92rem;line-height:1}
.quote .quote__stars{margin-top:2px}
.quote__src{color:var(--ink-soft);font-size:.74rem;letter-spacing:.04em;font-weight:500;opacity:.7;margin-left:.2em}
.testimonials__note{margin:28px auto 0;text-align:center;color:var(--ink-soft);font-size:.82rem;letter-spacing:.03em;opacity:.7;max-width:60ch}

/* ============ CONTACT ============ */
.contact{background:var(--bg)}
.contact__grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(40px,6vw,80px);align-items:start}
.contact__lead{color:var(--ink-soft);margin-bottom:2rem;max-width:46ch}
.contact__list{list-style:none}
.contact__list li{padding:16px 0;border-top:1px solid var(--line);display:flex;flex-direction:column;gap:4px}
.contact__list li span{font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-mute)}
.contact__list li a,.contact__list li strong{color:var(--ink);font-weight:500;font-size:1.05rem}
.contact__list li a:hover{color:var(--brass)}

.contact__form{background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r);padding:clamp(28px,3.5vw,42px)}
.field{margin-bottom:18px}
.field label{display:block;font-size:.82rem;letter-spacing:.06em;color:var(--ink-soft);margin-bottom:7px}
.field input,.field textarea{
  width:100%;background:var(--bg);border:1px solid var(--line);border-radius:var(--r);
  color:var(--ink);font-family:var(--font-body);font-size:1rem;padding:12px 14px;transition:border-color .25s;
}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--brass)}
.field textarea{resize:vertical}
.form__note{margin-top:14px;color:var(--brass);font-size:.9rem;text-align:center}

/* ============ FOOTER ============ */
.footer{background:var(--bg-2);border-top:1px solid var(--line);padding:40px 0}
.footer__inner{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap}
.footer .brand__mark{color:var(--brass)}
.footer__copy{color:var(--ink-mute);font-size:.86rem}

/* ============ REVEAL ============ */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.reveal.is-in{opacity:1;transform:none}

/* ============ RESPONSIVE ============ */
@media(max-width:960px){
  .about__grid{grid-template-columns:1fr}
  .about__media{max-width:420px}
  .services__grid{grid-template-columns:repeat(2,1fr)}
  .stats__grid{grid-template-columns:repeat(2,1fr)}
  .testimonials__grid{grid-template-columns:1fr}
  .gallery__strip{grid-template-columns:1fr 1fr}
  .contact__grid{grid-template-columns:1fr}
  .docs__gallery{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:760px){
  .nav,.hero__scroll{display:none}
  .nav-toggle{display:flex}
  .nav.is-open{
    display:flex;flex-direction:column;position:absolute;top:74px;left:0;right:0;
    background:rgba(20,17,13,.98);padding:22px 28px;border-bottom:1px solid var(--line);gap:18px;
  }
  .header__inner{position:relative}
}
@media(max-width:560px){
  .services__grid,.stats__grid,.gallery__strip{grid-template-columns:1fr}
  .docs__grid,.docs__gallery,.fb__grid{grid-template-columns:1fr}
  body{font-size:16px}
  .about__badge{right:14px}
}