*{box-sizing:border-box}
html{scroll-behavior:smooth} section[id]{scroll-margin-top:100px}
body{margin:0;font-family:Arial,Helvetica,sans-serif;color:#17283f;line-height:1.65;background:#fff}
body.modal-open{overflow:hidden}
a{color:inherit}
button{font:inherit}
.container{width:min(1180px,calc(100% - 48px));margin:auto}
.narrow{width:min(900px,calc(100% - 48px));margin:auto}
.site-header{position:sticky;top:0;z-index:20;background:#fff;border-bottom:1px solid #dfe5eb}
.nav-wrap{min-height:82px;display:flex;align-items:center;justify-content:space-between;gap:25px}
.brand{text-decoration:none;display:flex;flex-direction:column;line-height:1.15}
.brand-name{font-size:34px;font-weight:700;letter-spacing:.18em}
.brand-subtitle{font-size:13px;font-weight:500;color:#425268;margin-top:6px}
.main-nav{display:flex;gap:25px;font-size:14px;font-weight:600;letter-spacing:.09em}
.main-nav a{text-decoration:none}
.main-nav a:hover{color:#8d6d31}
.menu-toggle{display:none;background:none;border:0;cursor:pointer;letter-spacing:.1em;font-size:11px}
.preface{padding:34px 0 78px;background:#f5f7fa}
.preface-image{max-width:1055px;margin:0 auto;background:#fff;border:1px solid #d8dee5;line-height:0}
.preface-image img{display:block;width:100%;height:auto}
.hero{min-height:clamp(500px,62vh,620px);position:relative;display:flex;align-items:flex-end;background:#17283f;overflow:hidden}
.hero-image{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(90deg,#0a1626d6,#0a162630 70%,#0a162610)}
.hero-content{position:relative;color:#fff;padding-bottom:90px}
.eyebrow,.kicker{font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:#718095;margin:0 0 18px}
.eyebrow{color:#d9b36c}
.hero h1{font-size:clamp(38px,4.6vw,60px);line-height:1.03;max-width:700px;font-weight:500;margin:0 0 15px}
.hero-lead{font-size:clamp(21px,3vw,32px);margin:0 0 32px}
.button{display:inline-flex;align-items:center;gap:16px;text-decoration:none;border:1px solid #17283f;background:transparent;color:#17283f;padding:14px 21px;font-size:12px;font-weight:600;letter-spacing:.1em;cursor:pointer}
.process{font-size:13px;font-weight:600;letter-spacing:.07em;color:#17283f;margin:30px 0 28px}.button:hover{background:#17283f;color:#fff}
.button.light{border-color:#ffffffb3;color:#fff}
.button.light:hover{background:#fff;color:#17283f}
.section{padding:105px 0}
h2{font-size:clamp(34px,4vw,52px);line-height:1.1;font-weight:500;margin:0 0 35px}
.prose{font-size:17px;color:#425268}
.prose p{margin:0 0 23px}
.prose strong{color:#17283f}
.section-intro{max-width:900px;color:#637083;margin:-12px 0 35px;font-size:15px}
.chapters,.idea{background:#f5f7f9;border-top:1px solid #e1e6eb;border-bottom:1px solid #e1e6eb}
.chapter-grid{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid #ccd4dd;border-left:1px solid #ccd4dd}
.chapter-card{padding:0 0 28px;background:#fff;border:0;border-right:1px solid #ccd4dd;border-bottom:1px solid #ccd4dd;text-align:left;cursor:pointer;color:#17283f;transition:transform .2s,box-shadow .2s}
.chapter-card:hover{transform:translateY(-3px);box-shadow:0 10px 30px #17283f18}
.chapter-card img{display:block;width:100%;aspect-ratio:1054/1492;object-fit:cover;object-position:center}
.chapter-card span,.chapter-card h3,.chapter-card small{display:block;margin-left:26px;margin-right:26px}
.chapter-card span{font-size:12px;color:#8d6d31;letter-spacing:.12em;margin-top:22px}
.chapter-card h3{font-size:21px;font-weight:500;margin-top:10px;margin-bottom:0;line-height:1.25}
.chapter-card small{color:#7b8796;font-size:11px;margin-top:8px}
.sample-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:70px;align-items:center}
.sample-visual{background:#e9edf1;border:1px solid #d8dee5;line-height:0}
.sample-visual img{width:100%;height:auto;display:block}
.quote{font-size:21px;line-height:1.45}
.process{font-size:11px;letter-spacing:.07em;margin:30px 0}
.idea-visual{background:#fff;border:1px solid #ccd4dd;line-height:0}
.idea-visual img{display:block;width:100%;height:auto}
blockquote{margin:45px 0 0;padding-left:25px;border-left:2px solid #c7a65d;color:#17283f;font-size:22px}
blockquote cite{display:block;font-size:12px;margin-top:10px;color:#68778a;font-style:normal}
.contact{background:#17283f;color:#fff;position:relative}
#kontakt > .facebook-link{position:absolute;right:max(32px,calc((100% - 1120px)/2));bottom:34px;display:inline-flex;align-items:center;gap:10px;color:#fff;text-decoration:none;font-size:11px;font-weight:600;letter-spacing:.08em;padding:10px 13px;border:1px solid #ffffff55;transition:background .2s,border-color .2s;z-index:2}
#kontakt > .facebook-link:hover{background:#ffffff12;border-color:#ffffffaa}
.facebook-icon{display:inline-flex;align-items:flex-end;justify-content:center;width:25px;height:25px;border-radius:50%;background:#1877f2;color:#fff;font-family:Arial,sans-serif;font-size:22px;font-weight:700;line-height:24px;letter-spacing:0}
.facebook-arrow{font-size:15px;line-height:1}
.contact .kicker{color:#c7a65d}
.contact h2{font-size:clamp(42px,5vw,58px);font-weight:500;margin-bottom:32px}
.contact-lead{font-size:22px;font-weight:500}
.mail{display:inline-block;font-size:clamp(30px,5vw,58px);text-decoration:none;border-bottom:1px solid #ffffff70;margin:10px 0 24px}
.contact-button{display:inline-flex;align-items:center;justify-content:center;gap:14px;width:max-content;max-width:100%;box-sizing:border-box;border:1px solid #ffffff90;padding:16px 22px;color:#fff;text-decoration:none;font-size:14px;font-weight:600;letter-spacing:.08em;margin:0 0 28px;transition:background .2s,border-color .2s}
.contact-button:hover{background:#ffffff12;border-color:#fff}
.contact-button span{font-size:18px}
footer{background:#101d2d;color:#aeb8c4;padding:25px 0;font-size:11px;letter-spacing:.1em}
footer .container{display:flex;justify-content:space-between}
.modal{position:fixed;inset:0;z-index:50;display:none;align-items:center;justify-content:center;padding:24px}
.modal.open{display:flex}
.modal-backdrop{position:absolute;inset:0;background:#081321e8}
.modal-panel{position:relative;z-index:1;background:#fff;width:min(1120px,96vw);max-height:94vh;overflow:auto;padding:28px}
.modal-close{position:absolute;right:14px;top:8px;border:0;background:transparent;font-size:34px;line-height:1;cursor:pointer;color:#17283f}
.modal-heading{padding-right:40px;margin-bottom:22px;display:flex;align-items:baseline;gap:15px}
.modal-heading span{font-size:12px;letter-spacing:.14em;color:#8d6d31}
.modal-heading h2{font-size:28px;margin:0}
.modal-images{display:flex;justify-content:center;align-items:flex-start;gap:18px}
.modal-images img{display:block;width:auto;max-width:100%;max-height:calc(94vh - 110px);height:auto;object-fit:contain}
@media(max-width:850px){
  .menu-toggle{display:block}
  .main-nav{display:none;position:absolute;top:82px;left:0;right:0;background:#fff;padding:20px 24px;flex-direction:column;gap:18px;border-bottom:1px solid #dfe5eb}
  .main-nav.open{display:flex}
  .chapter-grid{grid-template-columns:repeat(2,1fr)}
  .sample-grid{grid-template-columns:1fr}
  .hero{min-height:75vh}
  .modal-images{grid-template-columns:1fr}
}
@media(max-width:560px){
  #kontakt > .facebook-link{position:static;display:flex;width:max-content;max-width:calc(100% - 32px);margin:28px 16px 0 auto;box-sizing:border-box;font-size:10px}
  #kontakt > .facebook-link .facebook-icon{display:inline-flex}

  .container,.narrow{width:calc(100% - 32px)}
  .nav-wrap{min-height:72px}
  .main-nav{top:72px}
  .section{padding:75px 0}
  .chapter-grid{grid-template-columns:1fr}
  .hero-content{padding-bottom:50px}
  .hero h1{font-size:42px}
  .idea-visual{border-left:0;border-right:0}
  .modal{padding:8px}
  .modal-panel{padding:20px 12px}
}

.page-view{background:#fff;min-height:calc(100vh - 82px)}
.subpage-view{min-height:calc(100vh - 82px);padding-top:92px}
.subpage-view h1{font-size:clamp(42px,5vw,64px);line-height:1.05;font-weight:500;margin:0 0 24px}
.subpage-intro{font-size:17px;max-width:820px;margin-bottom:52px}
.theme-grid{display:grid;grid-template-columns:repeat(2,1fr);border-top:1px solid #ccd4dd;border-left:1px solid #ccd4dd}
.theme-card{min-height:220px;padding:30px 34px 34px;border-right:1px solid #ccd4dd;border-bottom:1px solid #ccd4dd;background:#fff;transition:background .2s,transform .2s}
.theme-card:hover{background:#f5f7f9;transform:translateY(-2px)}
.theme-card span,.development-line span{font-size:12px;letter-spacing:.14em;color:#8d6d31}
.theme-card h2{font-size:27px;margin:18px 0 12px;letter-spacing:.04em}
.theme-card p{font-size:16px;color:#425268;max-width:620px;margin:0 0 18px}
.theme-card small{font-size:11px;color:#7b8796;letter-spacing:.06em}
.development-line{margin-top:58px;border-top:1px solid #ccd4dd;display:grid;grid-template-columns:repeat(2,1fr)}
.development-line>div{padding:30px 28px 34px;border-right:1px solid #ccd4dd;border-bottom:1px solid #ccd4dd}
.development-line>div:nth-child(2n){border-right:0}
.development-line h2{font-size:24px;margin:15px 0 8px}
.development-line p{font-size:15px;color:#425268;margin:0}
@media(max-width:850px){.theme-grid,.development-line{grid-template-columns:1fr}.development-line>div,.development-line>div:nth-child(2n){border-right:0}.page-view{min-height:calc(100vh - 82px)}}
@media(max-width:560px){.brand-name{font-size:31px}.brand-subtitle{font-size:10px}.subpage-view{padding-top:70px}.subpage-view h1{font-size:42px}.theme-card{min-height:auto;padding:26px}.development-line{margin-top:40px}.development-line>div{padding:26px 20px}}

/* WEB 1.9: one visual page per chapter */
.chapter-card img{aspect-ratio:1055/1491}
footer strong{color:#fff;font-weight:600}
footer em{font-style:normal;color:#aeb8c4}
@media(max-width:850px){.modal-images{display:flex}.modal-images img{max-height:78vh}}

/* WEB 2.0 — chapter subpages */
.chapter-detail{background:#fff;min-height:100vh}
.chapter-detail-top{background:#f5f7f9;border-bottom:1px solid #dfe5eb}
.chapter-detail-head{padding:34px 0 54px}
.back-button{border:0;background:transparent;color:#17283f;padding:0;font-size:11px;font-weight:700;letter-spacing:.1em;cursor:pointer;margin-bottom:44px}
.back-button:hover{color:#8d6d31}
.chapter-detail-number{font-size:12px;letter-spacing:.18em;color:#8d6d31;margin-bottom:12px}
.chapter-detail-head h1{font-size:clamp(42px,5vw,64px);line-height:1.05;font-weight:500;margin:0 0 16px;color:#17283f}
.chapter-detail-head p{max-width:820px;margin:0;color:#425268;font-size:18px}
.chapter-detail-body{padding:58px 0 100px}
.chapter-detail-image{max-width:900px;margin:0 auto 55px;border:1px solid #d8dee5;line-height:0;background:#f5f7f9}
.chapter-detail-image img{cursor:zoom-in;display:block;width:100%;height:auto}
.subchapter-nav{display:flex;flex-wrap:wrap;border-top:1px solid #ccd4dd;border-left:1px solid #ccd4dd;margin-bottom:52px}
.subchapter-nav a{flex:1 1 220px;padding:18px 20px;border-right:1px solid #ccd4dd;border-bottom:1px solid #ccd4dd;text-decoration:none;font-size:11px;font-weight:700;letter-spacing:.07em;color:#17283f;background:#fff}
.subchapter-nav a:hover{background:#f5f7f9;color:#8d6d31}
.subchapter-list{max-width:900px;margin:0 auto;border-top:1px solid #ccd4dd}
.subchapter{padding:42px 0 48px;border-bottom:1px solid #ccd4dd}
.subchapter>span{font-size:12px;letter-spacing:.14em;color:#8d6d31}
.subchapter h2{font-size:clamp(27px,3vw,38px);margin:12px 0 17px;color:#17283f}
.subchapter p{font-size:17px;color:#425268;max-width:820px;margin:0}
@media(max-width:560px){.chapter-detail-head{padding:26px 0 42px}.back-button{margin-bottom:34px}.chapter-detail-body{padding:35px 0 70px}.subchapter-nav a{flex-basis:100%}.subchapter{padding:34px 0 40px}.subchapter p{font-size:16px}}
.page-gallery{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:18px;margin:28px 0 42px}.page-thumb{border:1px solid #d7dee8;background:#fff;padding:8px;cursor:pointer;text-align:left;transition:.2s;box-shadow:0 8px 22px rgba(19,42,71,.06)}.page-thumb:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(19,42,71,.12)}.page-thumb img{display:block;width:100%;height:auto}.page-thumb span{display:block;padding:9px 4px 2px;color:#173b68;font-weight:700;font-size:.86rem}.page-viewer{position:fixed;inset:0;background:rgba(7,18,31,.94);z-index:1000;display:flex;align-items:center;justify-content:center}.page-viewer[hidden]{display:none}.viewer-stage{position:absolute;inset:58px 78px 78px;overflow:auto;display:block;cursor:grab;min-height:0;min-width:0;padding:0}.viewer-stage img{margin:0 auto}.viewer-stage:active{cursor:grabbing}.viewer-stage img{display:block;width:auto;height:auto;max-width:none;max-height:none;transform:none;transform-origin:top left;box-shadow:0 18px 50px rgba(0,0,0,.45);user-select:none;-webkit-user-drag:none}.viewer-close{position:absolute;right:18px;top:12px;width:44px;height:44px;border:0;background:transparent;color:#fff;font-size:34px;cursor:pointer;z-index:3}.viewer-nav{position:absolute;top:50%;transform:translateY(-50%);width:48px;height:64px;border:0;background:rgba(255,255,255,.12);color:#fff;font-size:48px;line-height:1;cursor:pointer;z-index:3}.viewer-prev{left:14px}.viewer-next{right:14px}.viewer-toolbar{position:absolute;left:50%;bottom:15px;transform:translateX(-50%);display:flex;align-items:center;gap:8px;background:rgba(255,255,255,.12);padding:8px 12px;border-radius:28px;color:#fff;z-index:3;backdrop-filter:blur(8px)}.viewer-toolbar button{border:0;background:#fff;color:#173b68;border-radius:18px;min-width:36px;height:32px;font-weight:700;cursor:pointer}.viewer-toolbar #zoom-fit{padding:0 12px;font-size:.72rem}.viewer-toolbar #zoom-label{min-width:52px;text-align:center;font-size:.85rem}.viewer-open{overflow:hidden}@media(max-width:700px){.page-gallery{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.viewer-stage{inset:52px 8px 70px}.viewer-stage img{width:96vw}.viewer-nav{width:38px;height:52px;font-size:38px}.viewer-prev{left:4px}.viewer-next{right:4px}.viewer-toolbar{bottom:10px}.viewer-toolbar #zoom-fit{display:none}}

.chapter-detail-image img{cursor:zoom-in}

/* Language switch and English chapter mode */
.language-switch{display:inline-flex;flex:0 0 auto;flex-direction:row;flex-wrap:nowrap;align-items:center;justify-content:center;gap:7px;white-space:nowrap;font-size:11px;line-height:1.2;letter-spacing:.06em;color:#8b96a5}
.language-switch .lang-btn{display:inline-block!important;flex:0 0 auto!important;width:auto!important;min-width:0!important;white-space:nowrap!important;overflow:visible!important;border:0!important;border-radius:0!important;box-shadow:none!important;background:transparent!important;color:#657287;padding:4px 0!important;margin:0!important;cursor:pointer;font:inherit;font-weight:700;letter-spacing:inherit;text-transform:uppercase}
.language-switch .lang-btn.active{color:#8d6d31}
.language-switch .lang-btn:focus-visible{outline:2px solid #8d6d31;outline-offset:3px}
@media(min-width:1051px){.nav-wrap{flex-wrap:nowrap}.language-switch{margin-left:0;align-self:center}.main-nav{flex:0 1 auto;white-space:nowrap}}
body.english-detail .chapter-detail-head{padding-top:20px;padding-bottom:18px}
body.english-detail .chapter-detail-head .chapter-detail-number,body.english-detail .chapter-detail-head h1,body.english-detail .chapter-detail-head p{display:none}
body.english-detail .chapter-detail-image{max-width:1055px;margin:0 auto}
body.english-detail .chapter-detail-image img{width:100%;height:auto;display:block}
body.english-detail .page-gallery,body.english-detail .subchapter-nav,body.english-detail .subchapter-list{display:none!important}
@media(max-width:1050px){.nav-wrap{flex-wrap:wrap;padding:14px 0}.language-switch{margin-left:auto;flex-wrap:nowrap}.main-nav{gap:14px;font-size:12px}}
@media(max-width:850px){.nav-wrap{flex-wrap:nowrap;min-height:82px}.language-switch{margin-left:auto}.main-nav.open{top:82px}}