/*
Theme Name: Семёнов 2.0
Description: Персональная визитка фотографа Олега Семёнова: Луна, космос, наука, Санкт-Петербург. Тёмная угольная палитра без «космических» текстур, портфолио из пяти серий, лайтбокс. Самодостаточная тема — единственный внешний ресурс — Google Fonts (Manrope).
Author: Фотофакультет
Version: 2.0.0
Requires at least: 6.0
Requires PHP: 7.4
License: GNU General Public License v2 or later
Text Domain: semyonov2
*/

:root{
  --bg:#171717;          /* угольный, не чистый чёрный */
  --bg2:#1c1c1c;
  --panel:#1f1f1f;
  --ink:#e8e6e1;
  --muted:#a3a099;
  --line:rgba(255,255,255,.10);
  --gold:#c9a86a;        /* единственный тонкий акцент */
  --maxw:1180px;
  --font:"Manrope",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:var(--font);font-size:17px;line-height:1.5;font-weight:400;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3{margin:0;font-weight:600;line-height:1.15;letter-spacing:-.01em}
h1{font-weight:600}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.kicker{display:inline-block;font-size:12px;letter-spacing:.2em;text-transform:uppercase;color:var(--muted);font-weight:600;margin-bottom:14px}

/* кнопка — тонкая, один золотой контур */
.btn{display:inline-block;font-weight:600;font-size:15px;padding:13px 28px;border-radius:2px;
  border:1px solid var(--gold);color:var(--gold);background:transparent;cursor:pointer;
  transition:background .15s,color .15s}
.btn:hover{background:var(--gold);color:#171717}
.link{color:var(--gold);border-bottom:1px solid rgba(201,168,106,.4);padding-bottom:1px}
.link:hover{border-color:var(--gold)}

/* ------- шапка ------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(23,23,23,.82);
  backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;min-height:66px;gap:18px}
.brand{font-size:18px;font-weight:600;letter-spacing:.01em}
.nav{display:flex;align-items:center;gap:26px}
.nav a{color:var(--ink);font-size:14px;font-weight:500;opacity:.85;transition:opacity .15s,color .15s}
.nav a:hover{opacity:1;color:var(--gold)}
.lang{display:flex;gap:8px;margin-left:6px;font-size:12px;letter-spacing:.06em}
.lang a{color:var(--muted);opacity:.8}
.lang a.on{color:var(--gold);opacity:1;font-weight:600}
.menu-toggle{display:none;flex-direction:column;justify-content:center;gap:5px;width:34px;height:34px;
  background:none;border:0;cursor:pointer;padding:0}
.menu-toggle span{display:block;height:2px;width:22px;background:var(--ink);transition:.2s}

/* ------- герой ------- */
.hero{position:relative;min-height:100svh;display:flex;align-items:flex-end;overflow:hidden;background:#0f0f0f}
.hero-media{position:absolute;inset:0;z-index:0}
.hero-media picture,.hero-media img{width:100%;height:100%}
.hero-media img{object-fit:cover;object-position:center 40%}
/* лёгкий скрим только ради читаемости текста (не декор, не «космос») */
.hero::after{content:"";position:absolute;inset:0;z-index:1;
  background:linear-gradient(180deg,rgba(15,15,15,.35) 0%,rgba(15,15,15,0) 32%,rgba(15,15,15,.72) 100%)}
.hero-inner{position:relative;z-index:2;width:100%;padding-top:120px;padding-bottom:8vh}
.hero h1{font-size:clamp(40px,8vw,86px);font-weight:600;letter-spacing:-.02em}
.hero-sub{color:#d9d6cf;font-size:clamp(17px,2.4vw,22px);margin:14px 0 30px;max-width:32ch;font-weight:400}

/* ------- секции ------- */
section{padding:88px 0;border-top:1px solid var(--line);scroll-margin-top:78px}/* якоря не уезжают под липкую шапку */
.hero{padding:0;border-top:0;scroll-margin-top:0}
.sec-head{max-width:720px;margin-bottom:40px}
.sec-head h2{font-size:clamp(26px,4vw,40px)}
.sec-lead{color:var(--muted);margin-top:14px;font-size:18px}

/* ------- работы: карточки серий ------- */
.series-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{display:flex;flex-direction:column;background:var(--panel);border:1px solid var(--line);
  border-radius:6px;overflow:hidden;transition:transform .2s,border-color .2s}
.card:hover{transform:translateY(-4px);border-color:rgba(201,168,106,.45)}
.card picture{display:block;width:100%;overflow:hidden;aspect-ratio:3/2}
.card-img,.card picture img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.card:hover .card-img{transform:scale(1.05)}
.card-body{padding:20px 20px 22px;display:flex;flex-direction:column;gap:8px}
.card-title{font-size:20px;font-weight:600}
.card-lead{color:var(--muted);font-size:14.5px;line-height:1.45}
.card-count{color:var(--gold);font-size:13px;font-weight:600;letter-spacing:.02em;margin-top:4px}

/* ------- серия ------- */
.series-head{display:flex;justify-content:space-between;align-items:flex-end;gap:20px;margin-bottom:26px;flex-wrap:wrap}
.series-head h2{font-size:clamp(24px,3.4vw,34px)}
.series-lead{color:var(--muted);margin-top:8px;max-width:52ch;font-size:16px}
.series-bar{display:flex;align-items:center;gap:10px}
.series-bar button{background:transparent;border:1px solid var(--line);color:var(--ink);
  border-radius:2px;cursor:pointer;font-family:inherit;font-size:14px;transition:border-color .15s,color .15s}
.series-bar .s-prev,.series-bar .s-next{width:38px;height:38px;font-size:20px;line-height:1}
.series-bar .s-toggle{height:38px;padding:0 16px;font-weight:600}
.series-bar button:hover{border-color:var(--gold);color:var(--gold)}
.series-bar .s-counter{min-width:56px;text-align:center;color:var(--muted);font-size:14px;font-variant-numeric:tabular-nums}
.series-bar.grid-mode .s-prev,.series-bar.grid-mode .s-next,.series-bar.grid-mode .s-counter{display:none}

/* сетка (базовый вид, работает и без JS) */
.series-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.frame{position:relative;display:block;overflow:hidden;background:var(--bg2);cursor:zoom-in;aspect-ratio:3/2}
.frame picture,.frame img{width:100%;height:100%}
.frame img{object-fit:cover;transition:transform .5s,opacity .3s;opacity:.96}
.frame:hover img{transform:scale(1.04);opacity:1}
.frame-cap{position:absolute;left:0;right:0;bottom:0;padding:8px 10px;font-size:12px;color:#e8e6e1;
  background:linear-gradient(180deg,transparent,rgba(0,0,0,.6));opacity:0;transition:opacity .2s}
.frame:hover .frame-cap{opacity:1}

/* режим «слайды»: один кадр на экран */
.series.is-slides .series-grid{display:block}
.series.is-slides .frame{display:none;aspect-ratio:auto;cursor:zoom-in;background:transparent}
.series.is-slides .frame.is-active{display:block;margin:0 auto;max-width:min(1120px,100%)}
.series.is-slides .frame.is-active img{width:auto;max-width:100%;height:auto;max-height:78vh;margin:0 auto;object-fit:contain;opacity:1}
.series.is-slides .frame.is-active:hover img{transform:none}

/* ------- лайтбокс ------- */
body.lb-open{overflow:hidden}
.lightbox{position:fixed;inset:0;z-index:100;display:flex;align-items:center;justify-content:center;
  background:rgba(12,12,12,.95);padding:24px}
.lb-fig{margin:0;max-width:92vw;max-height:88vh;display:flex;flex-direction:column;align-items:center}
.lb-fig img{max-width:92vw;max-height:82vh;width:auto;height:auto;object-fit:contain}
.lb-counter{color:var(--muted);font-size:13px;margin-top:12px;font-variant-numeric:tabular-nums}
.lb-close{position:absolute;top:16px;right:20px;width:44px;height:44px;font-size:28px;line-height:1}
.lb-nav{position:absolute;top:50%;transform:translateY(-50%);width:52px;height:64px;font-size:34px;line-height:1}
.lb-prev{left:12px}.lb-next{right:12px}
.lightbox button{background:rgba(30,30,30,.6);border:1px solid var(--line);color:var(--ink);
  border-radius:3px;cursor:pointer;transition:border-color .15s,color .15s}
.lightbox button:hover{border-color:var(--gold);color:var(--gold)}

/* ------- о себе ------- */
.about-grid{display:grid;grid-template-columns:320px 1fr;gap:48px;align-items:start}
.about-portrait{margin:0}
.about-portrait picture,.about-portrait img{width:100%;border-radius:4px;border:1px solid var(--line)}
.about-portrait figcaption{color:var(--muted);font-size:12.5px;margin-top:10px}
.about-text p{max-width:64ch;margin:0 0 16px;color:#d9d6cf}
.about-text .lead-line{font-size:22px;color:var(--ink);font-weight:500;line-height:1.35;margin-bottom:20px}
.cv{margin-top:34px;display:grid;gap:26px}
.cv h3{font-size:13px;text-transform:uppercase;letter-spacing:.12em;color:var(--gold);margin-bottom:12px;font-weight:600}
.cv ul{margin:0;padding:0;list-style:none}
.cv li{padding:6px 0;color:#d9d6cf;font-size:15.5px;border-bottom:1px solid var(--line)}
.cv-exh li{display:grid;grid-template-columns:60px 1fr;gap:14px}
.cv-exh li span{color:var(--gold);font-weight:600}
.cv-pubs{color:#d9d6cf;font-size:15.5px;margin:0}

/* ------- обучение ------- */
.teach-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.teach-text p{color:#d9d6cf;margin:0 0 16px;max-width:52ch}
.reviews{display:grid;gap:18px}
.review{margin:0;background:var(--panel);border:1px solid var(--line);border-radius:6px;padding:22px 24px}
.review p{margin:0 0 12px;color:#d9d6cf;font-size:16px}
.review cite{color:var(--muted);font-size:13.5px;font-style:normal}

/* ------- контакт ------- */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.contact-list{list-style:none;margin:0;padding:0}
.contact-list li{display:grid;grid-template-columns:90px 1fr;gap:16px;padding:14px 0;
  border-bottom:1px solid var(--line);align-items:baseline}
.contact-list li span:first-child{color:var(--muted);font-size:13px;text-transform:uppercase;letter-spacing:.08em}
.contact-list a{color:var(--gold);border-bottom:1px solid rgba(201,168,106,.35);padding-bottom:1px}
.contact-list a:hover{border-color:var(--gold)}
.contact-list .val{color:#d9d6cf}
.contact-form label{display:block;font-size:13px;color:var(--muted);margin-bottom:6px}
.contact-form input,.contact-form textarea{width:100%;background:var(--bg2);border:1px solid var(--line);
  color:var(--ink);border-radius:3px;padding:12px 14px;font-family:inherit;font-size:16px}
.contact-form input:focus,.contact-form textarea:focus{outline:none;border-color:var(--gold)}
.contact-form p{margin:0 0 16px}
.contact-form .hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.form-msg{padding:12px 16px;border-radius:4px;margin-bottom:18px;font-size:15px}
.form-msg.ok{border:1px solid rgba(201,168,106,.5);color:var(--gold)}
.form-msg.err{border:1px solid rgba(255,120,120,.4);color:#e79a9a}

/* ------- подвал ------- */
.site-footer{border-top:1px solid var(--line);padding:28px 0;color:var(--muted);font-size:13.5px}
.site-footer .wrap{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;align-items:center}
.footer-social{display:flex;align-items:center;gap:16px}
.footer-social a{color:var(--muted);transition:color .15s}
.footer-social a:hover{color:var(--gold)}

/* ------- адаптив: мобильный первым делом ------- */
@media (max-width:900px){
  .series-cards{grid-template-columns:1fr 1fr}
  .about-grid{grid-template-columns:1fr;gap:28px}
  .about-portrait{max-width:300px}
  .teach-grid,.contact-grid{grid-template-columns:1fr;gap:32px}
  .nav{display:none;position:absolute;left:0;right:0;top:66px;background:var(--bg2);
    flex-direction:column;align-items:flex-start;gap:0;padding:8px 24px;border-bottom:1px solid var(--line)}
  .nav.open{display:flex}
  .nav a{display:block;width:100%;padding:14px 0;border-top:1px solid var(--line)}
  .lang{margin:10px 0 4px}
  .menu-toggle{display:flex}
}
@media (max-width:600px){
  body{font-size:16px}
  section{padding:60px 0}
  .wrap{padding:0 18px}
  .series-cards{grid-template-columns:1fr}
  .series-grid{grid-template-columns:1fr 1fr;gap:8px}
  .cv-exh li{grid-template-columns:50px 1fr;gap:10px}
  .contact-list li{grid-template-columns:80px 1fr;gap:12px}
  .hero-sub{max-width:22ch}
  .lb-nav{width:44px;height:56px;font-size:28px}
}
@media (max-width:380px){
  .series-grid{grid-template-columns:1fr}
}

/* уважаем prefers-reduced-motion */
@media (prefers-reduced-motion:reduce){
  *{scroll-behavior:auto!important}
  .card,.card-img,.frame img{transition:none!important}
  .card:hover{transform:none}
  .card:hover .card-img,.frame:hover img{transform:none}
}