/* Klarheit — design system for fedor.simonov (see docs/personal-site/PLAN.md §6) */
:root{
  --bg:#F1EDF0; --bg-2:#E8E2EA; --card:#FAF8FA; --ink:#24213A; --ink-2:#45405E; --muted:#5B5673;
  --accent:#3B3560; --accent-2:#5E5780; --line:#CFC7D6; --line-2:#DDD6E2; --night:#24213A; --night-ink:#F1EDF0; --night-muted:#CFC8E8;
  --serif:'Instrument Serif',Georgia,'Times New Roman',serif; --sans:'Hanken Grotesk',system-ui,-apple-system,'Segoe UI',sans-serif;
  --gutter:clamp(20px,5.5vw,80px); --max:1280px; --radius:24px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:24px}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--sans);font-size:19px;line-height:1.6;text-rendering:optimizeLegibility}
@media (max-width:640px){body{font-size:18px}}
img{max-width:100%;display:block}
a{color:var(--accent);text-underline-offset:4px}
a:hover{color:var(--ink)}
:focus-visible{outline:3px solid var(--accent);outline-offset:3px;border-radius:6px}
.skip{position:absolute;left:-9999px;top:8px;background:var(--ink);color:#fff;padding:10px 16px;border-radius:8px;z-index:10}
.skip:focus{left:8px}
h1,h2,h3{font-family:var(--serif);font-weight:400;line-height:1.05;margin:0;color:var(--ink);letter-spacing:-.005em}
h1{font-size:clamp(46px,6.4vw,92px);line-height:.99}
h2{font-size:clamp(36px,4.4vw,64px)}
h3{font-size:clamp(26px,2.4vw,34px);line-height:1.12}
em.kl{font-style:italic;color:var(--accent)}
p{margin:0}
.wrap{max-width:var(--max);margin:0 auto;padding:0 var(--gutter)}
.section{padding:clamp(72px,10vw,140px) 0}
.section.tight{padding:clamp(56px,7vw,96px) 0}
.alt{background:var(--bg-2)}
.night{background:var(--night);color:var(--night-ink)}
.night h2,.night h3{color:var(--night-ink)}
.night a{color:var(--night-ink)}
.over{font-size:14px;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--accent-2)}
.night .over{color:var(--night-muted)}
.lead{font-size:clamp(19px,1.5vw,21px);color:var(--ink-2);max-width:640px}
.stack{display:flex;flex-direction:column;gap:24px}
.head-row{display:flex;justify-content:space-between;align-items:flex-end;gap:32px;flex-wrap:wrap;margin-bottom:clamp(36px,4vw,56px)}
.head-row p{max-width:440px;color:var(--ink-2)}
.muted{color:var(--muted)}
.small{font-size:15px}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:56px;padding:0 30px;border-radius:999px;font-size:17px;font-weight:600;text-decoration:none;border:1.5px solid var(--accent);background:var(--accent);color:#fff;cursor:pointer;font-family:inherit;transition:background .2s,color .2s}
.btn:hover{background:var(--ink);border-color:var(--ink);color:#fff}
.btn.ghost{background:transparent;color:var(--accent)}
.btn.ghost:hover{background:var(--accent);color:#fff}
.btn.light{background:#fff;border-color:#fff;color:var(--ink)}
.btn.light:hover{background:var(--bg);color:var(--ink)}
.btn.outline-light{background:transparent;border-color:#fff;color:#fff}
.btn.outline-light:hover{background:#fff;color:var(--ink)}
.btns{display:flex;gap:14px;flex-wrap:wrap}
@media (max-width:640px){.btns .btn{flex:1 1 100%}}
.more{font-weight:600;text-decoration:none}
.more:hover{text-decoration:underline}

/* header */
.site-head{position:relative;z-index:5}
.site-head .bar{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:22px var(--gutter)}
.brand{font-family:var(--serif);font-size:27px;color:var(--ink);text-decoration:none;white-space:nowrap}
.nav{display:flex;gap:22px;align-items:center;font-size:16px;font-weight:500;white-space:nowrap}
.nav a{text-decoration:none;color:var(--accent)}
.nav a[aria-current=page]{color:var(--ink);text-decoration:underline;text-underline-offset:6px}
.lang{display:inline-flex;align-items:center;min-height:44px;padding:0 16px;border:1px solid var(--line);border-radius:999px;background:var(--card);font-size:15px;font-weight:600;text-decoration:none;color:var(--ink)}
.menu{display:none}
.menu summary{list-style:none;width:44px;height:44px;display:flex;align-items:center;justify-content:center;cursor:pointer;border-radius:10px}
.menu summary::-webkit-details-marker{display:none}
.menu[open] .menu-panel{display:flex}
.menu-panel{display:none;position:absolute;left:0;right:0;top:100%;flex-direction:column;background:var(--bg);border-bottom:1px solid var(--line);padding:8px var(--gutter) 24px}
.menu-panel a{padding:14px 0;border-bottom:1px solid var(--line-2);text-decoration:none;font-size:19px;color:var(--ink)}
@media (max-width:1060px){.nav,.site-head .lang-desk{display:none}.menu{display:block}}
.hero-page .site-head{position:absolute;left:0;right:0;top:0}
.hero-page .site-head .bar{padding-right:calc(50% + var(--gutter))}
@media (max-width:1060px){.hero-page .site-head{position:relative}.hero-page .site-head .bar{padding-right:var(--gutter)}}

/* hero (home) */
.hero{display:grid;grid-template-columns:1fr 1fr;min-height:min(100vh,940px)}
.hero-text{display:flex;flex-direction:column;justify-content:flex-end;gap:28px;padding:130px var(--gutter) 48px}
.hero-text .lead{max-width:560px}
.hero-photo{position:relative;overflow:hidden;min-height:520px}
.hero-photo img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:50% 30%}
.hero-photo .lang{position:absolute;top:28px;right:28px}
.next{position:absolute;left:28px;bottom:28px;background:#F7F4F6;border-radius:16px;padding:18px 22px;max-width:320px;text-decoration:none;color:var(--ink)}
.next b{display:block;font-family:var(--serif);font-weight:400;font-size:26px;line-height:1.15}
.next span{font-size:15px;color:var(--ink-2)}
.stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;border-top:1px solid var(--line);padding-top:22px;margin-top:12px}
.stats b{display:block;font-family:var(--serif);font-weight:400;font-size:clamp(32px,3vw,42px);line-height:1}
.stats span{font-size:14px;color:var(--muted)}
@media (max-width:1060px){
  .hero{grid-template-columns:1fr;min-height:0}
  .hero-photo{order:-1;min-height:0;aspect-ratio:4/4.2;max-height:78vh}
  .hero-text{padding:32px var(--gutter) 48px;justify-content:flex-start}
  .hero-photo .lang{display:none}
}
@media (max-width:640px){.stats{grid-template-columns:repeat(2,minmax(0,1fr))}.next{display:none}}

/* page hero (inner pages) */
.page-hero{padding:clamp(40px,6vw,96px) 0 clamp(48px,6vw,88px)}
.page-hero .stack{max-width:880px}
.photo-hero{position:relative;color:#fff;min-height:min(92vh,860px);display:flex;align-items:flex-end;overflow:hidden}
.photo-hero img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.photo-hero::after{content:"";position:absolute;inset:0;background:#1C1A2E;opacity:.64}
.photo-hero .wrap{position:relative;z-index:1;padding-top:140px;padding-bottom:clamp(40px,6vw,80px);width:100%}
.photo-hero h1{color:#fff;max-width:900px}
.photo-hero .over{color:#D9D3EC}
.photo-hero .lead{color:#EAE6F4}
.photo-hero .site-head{position:absolute;top:0;left:0;right:0;z-index:2}
.dark-head .brand,.dark-head .nav a{color:#fff}
.dark-head .nav a[aria-current=page]{color:#fff}
.dark-head .nav a.lang{color:var(--ink)}
.dark-head .menu summary{color:#fff}

/* grids & cards */
.grid{display:grid;gap:24px}
.g2{grid-template-columns:repeat(2,minmax(0,1fr))}
.g3{grid-template-columns:repeat(3,minmax(0,1fr))}
.g4{grid-template-columns:repeat(4,minmax(0,1fr))}
.g5{grid-template-columns:repeat(5,minmax(0,1fr))}
@media (max-width:1060px){.g3,.g4,.g5{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:640px){.g2,.g3,.g4,.g5{grid-template-columns:1fr}}
.card{background:var(--card);border:1px solid var(--line-2);border-radius:var(--radius);padding:clamp(26px,3vw,40px);display:flex;flex-direction:column;gap:16px;text-decoration:none;color:var(--ink)}
a.card:hover{border-color:var(--accent-2)}
.card.solid{background:var(--accent);border-color:var(--accent);color:#fff}
.card.solid h3,.card.solid .more{color:#fff}
.card.solid .over,.card.solid .tag{color:#CFC8E8}
.card.solid p{color:#E4E0F0}
.card.soft{background:var(--bg-2);border-color:transparent}
.card p{color:var(--ink-2)}
.card .more{margin-top:auto;color:var(--accent)}
.tag{font-size:13px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--accent-2)}

/* dates list */
.dates{border-top:1px solid #C9C0D2}
.date{display:grid;grid-template-columns:230px minmax(0,1fr) 260px auto;gap:28px;align-items:center;padding:28px 0;border-bottom:1px solid #C9C0D2;text-decoration:none;color:var(--ink)}
.date .d{font-family:var(--serif);font-size:32px;line-height:1.1}
.date .t{font-size:21px;font-weight:600;line-height:1.35}
.date .s{font-size:16px;color:var(--muted)}
.date .p{font-size:16px;color:var(--ink-2)}
@media (max-width:1060px){.date{grid-template-columns:1fr;gap:4px}.date .btn{justify-self:start;margin-top:10px}}

/* story / split */
.split{display:grid;grid-template-columns:5fr 1fr 6fr;align-items:center}
.split>.media{grid-column:1}
.split>.text{grid-column:3}
.split .media img{width:100%;height:clamp(420px,52vw,700px);object-fit:cover;border-radius:var(--radius)}
@media (max-width:1060px){.split{grid-template-columns:1fr;gap:32px}.split>*{grid-column:1/-1!important}}

/* books */
.book{display:flex;flex-direction:column;gap:14px;text-decoration:none;color:inherit}
.book .cover{aspect-ratio:2/3;background:#fff;border-radius:6px;overflow:hidden;display:flex;align-items:center;justify-content:center;box-shadow:0 1px 0 rgba(0,0,0,.04)}
.book .cover img{width:100%;height:100%;object-fit:cover}
.book .cover.contain img{object-fit:contain}
.book b{font-family:var(--serif);font-weight:400;font-size:23px;line-height:1.15}
.book span{font-size:15px}
.night .book span{color:var(--night-muted)}
.book-row{display:grid;grid-template-columns:260px minmax(0,1fr);gap:clamp(24px,4vw,56px);padding:clamp(32px,4vw,48px) 0;border-top:1px solid var(--line);align-items:start}
.book-row:last-child{border-bottom:1px solid var(--line)}
.book-row .cover{max-width:260px}
.price{font-family:var(--serif);font-size:30px}
@media (max-width:640px){.book-row{grid-template-columns:1fr}.book-row .cover{max-width:200px}}

/* quotes */
figure.q{margin:0;background:var(--card);border-radius:var(--radius);padding:clamp(28px,3vw,40px);display:flex;flex-direction:column;gap:22px}
figure.q blockquote{margin:0;font-family:var(--serif);font-size:clamp(24px,2vw,28px);line-height:1.3}
figure.q figcaption{font-size:16px;color:var(--muted)}

/* steps */
.steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:24px}
.steps li{border-top:1px solid #5E5780;padding-top:22px;display:flex;flex-direction:column;gap:10px}
.steps .n{font-family:var(--serif);font-size:44px;color:var(--night-muted);line-height:1}
.steps b{font-size:20px}
.steps p{font-size:16px;color:var(--night-muted)}
@media (max-width:1060px){.steps{grid-template-columns:1fr 1fr}}
@media (max-width:640px){.steps{grid-template-columns:1fr}}

/* lists */
.checks{list-style:none;margin:0;padding:0;display:grid;gap:12px}
.checks li{padding-left:30px;position:relative}
.checks li::before{content:"";position:absolute;left:4px;top:.62em;width:10px;height:10px;border-radius:50%;border:2px solid var(--accent)}
.faq details{border-top:1px solid var(--line);padding:22px 0}
.faq details:last-child{border-bottom:1px solid var(--line)}
.faq summary{cursor:pointer;font-size:21px;font-weight:600;list-style:none;display:flex;justify-content:space-between;gap:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-family:var(--serif);font-size:30px;line-height:.9;color:var(--accent)}
.faq details[open] summary::after{content:"–"}
.faq details p{margin-top:12px;color:var(--ink-2);max-width:760px}

/* forms */
.form{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.form .full{grid-column:1/-1}
.field{display:flex;flex-direction:column;gap:8px}
.field label{font-size:15px;font-weight:600}
.field input,.field select,.field textarea{min-height:54px;padding:12px 16px;border:1px solid #C9C0D2;border-radius:12px;font:inherit;font-size:17px;background:#fff;color:var(--ink)}
.field textarea{min-height:140px;resize:vertical}
.consent{font-size:15px;color:var(--ink-2);display:flex;gap:10px;align-items:flex-start}
.consent input{width:24px;height:24px;margin-top:2px;flex-shrink:0;accent-color:var(--accent)}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.form-note{font-size:16px;min-height:1.4em}
.form-note.ok{color:#2F6B3F}.form-note.err{color:#9A2F1E}
@media (max-width:640px){.form{grid-template-columns:1fr}}
.panel{background:var(--card);border:1px solid var(--line-2);border-radius:28px;padding:clamp(24px,3.5vw,48px)}
.panel.dark{background:var(--accent);border-color:var(--accent);color:#fff}
.panel.dark h2{color:#fff}.panel.dark p{color:#E4E0F0}.panel.dark label{color:#E4E0F0}
.inline-form{display:flex;gap:12px;flex-wrap:wrap}
.inline-form input[type=email]{flex:1 1 240px;min-height:56px;padding:0 22px;border:0;border-radius:999px;font:inherit;font-size:17px}
.panel.dark .consent{color:#E4E0F0}
.panel.dark .consent a{color:#fff}

/* chips */
.chips{display:flex;flex-wrap:wrap;gap:12px}
.chip{display:inline-flex;align-items:center;gap:10px;min-height:48px;padding:0 20px;border-radius:999px;background:var(--card);text-decoration:none;font-weight:600;color:var(--accent)}
.chip svg{width:20px;height:20px}

/* video */
.video{position:relative;aspect-ratio:16/9;border-radius:18px;overflow:hidden;background:#1C1A2E}
.video button{all:unset;cursor:pointer;position:absolute;inset:0;display:flex;align-items:flex-end;padding:22px;color:#fff;background-size:cover;background-position:center}
.video button::before{content:"";position:absolute;inset:0;background:linear-gradient(transparent 40%,rgba(20,18,32,.8))}
.video button span{position:relative;font-size:17px;font-weight:600;line-height:1.35}
.video iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.video .play{position:absolute;top:50%;left:50%;width:72px;height:72px;margin:-36px 0 0 -36px;border-radius:50%;background:rgba(255,255,255,.92);display:flex;align-items:center;justify-content:center}

/* gallery */
.gallery{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:16px}
.gallery img{width:100%;height:100%;object-fit:cover;border-radius:18px}
.gallery .a{grid-column:span 7;height:420px}.gallery .b{grid-column:span 5;height:420px}
.gallery .c{grid-column:span 4;height:320px}.gallery .d{grid-column:span 4;height:320px}.gallery .e{grid-column:span 4;height:320px}
@media (max-width:640px){.gallery>*{grid-column:1/-1!important;height:260px!important}}

/* footer */
.site-foot{border-top:1px solid var(--line);padding:48px 0 40px;font-size:15px;color:var(--muted)}
.site-foot .row{display:flex;justify-content:space-between;align-items:flex-start;gap:28px;flex-wrap:wrap}
.site-foot .brand{font-size:26px}
.site-foot nav{display:flex;gap:22px;flex-wrap:wrap}
.site-foot nav a{text-decoration:none;min-height:24px;display:inline-flex;align-items:center}
.site-foot .disc{margin-top:24px;max-width:820px}
.social{display:flex;gap:10px;margin-top:14px}
.social a{width:44px;height:44px;border-radius:50%;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;color:var(--accent)}
.social svg{width:20px;height:20px}

/* legal */
.legal h2{font-size:34px;margin:40px 0 12px}
.legal h3{font-family:var(--sans);font-size:19px;font-weight:600;margin:24px 0 8px}
.legal p,.legal li{color:var(--ink-2);max-width:820px;overflow-wrap:anywhere}
.legal p+p{margin-top:12px}

/* focus-in: from blur to sharp (JS adds .js; no JS = always sharp) */
.js .focus{filter:blur(16px);opacity:.5;transform:scale(1.03);transition:filter 2.2s cubic-bezier(.2,.7,.2,1),opacity 2.2s cubic-bezier(.2,.7,.2,1),transform 2.4s cubic-bezier(.2,.7,.2,1)}
.js .focus.in{filter:none;opacity:1;transform:none}
.js .focus-word{display:inline-block;filter:blur(9px);opacity:.25;transition:filter 2.6s .5s cubic-bezier(.2,.7,.2,1),opacity 2.6s .5s cubic-bezier(.2,.7,.2,1)}
.js .focus-word.in{filter:none;opacity:1}
@media (prefers-reduced-motion:reduce){.js .focus,.js .focus-word{filter:none;opacity:1;transform:none;transition:none}}