/* Reading and navigation tailored to narrow touch screens. */
.mobile-profession,.mobile-contact-bar{display:none}
@media(max-width:680px){
  html{scroll-padding-top:92px}
  body{padding-bottom:calc(84px + env(safe-area-inset-bottom,0px))}
  .container{width:calc(100% - 40px)}
  .header-inner{min-height:72px;gap:12px}
  .brand{gap:13px}
  .brand-name{font-size:11px;letter-spacing:1px}
  .brand-name small{font-size:8px;letter-spacing:1.2px}
  .menu-toggle{width:44px;height:44px;flex-shrink:0}
  #main-nav{top:72px;padding:16px 20px 22px;max-height:calc(100dvh - 160px);overflow:auto}
  #main-nav>a{font-size:16px;min-height:48px;padding:12px 0}
  #main-nav .header-contact{padding:12px 16px}
  .hero{padding-top:27px;padding-bottom:36px;gap:27px}
  .hero-visual{grid-row:1;display:grid;grid-template-columns:88px minmax(0,1fr);gap:17px;align-items:center;width:100%;padding:0;margin:0}
  .portrait-frame{height:112px;width:88px}
  .portrait-source{width:249%;left:-149%;top:-22%}
  .portrait-rule{inset:6px}
  .portrait-caption{display:block;padding:0}
  .portrait-caption>span{display:block;font-size:26px;line-height:1.1;letter-spacing:-.6px}
  .mobile-profession{display:block;font-size:12px;line-height:1.5;color:var(--muted);margin:9px 0 8px}
  .portrait-caption small{display:block;font-size:10px;letter-spacing:1px;line-height:1.5;margin:0}
  .vertical-note{display:none}
  .hero .eyebrow{font-size:10px;letter-spacing:1.4px;margin-bottom:19px;gap:9px}
  .hero .short-line{width:22px;flex-shrink:0}
  .hero h1{font-size:clamp(38px,11.8vw,53px);line-height:1.07;letter-spacing:-2px;margin-bottom:22px}
  .hero-description{font-size:16px;line-height:1.7;max-width:none;margin-bottom:24px}
  .hero-actions{display:grid;grid-template-columns:1fr;gap:12px}
  .hero-actions .button{width:100%;min-height:52px;font-size:14px;padding:13px 19px;justify-content:space-between}
  .hero-actions .text-link{width:100%;min-height:48px;font-size:14px;justify-content:space-between;border:1px solid var(--line);padding:10px 19px}
  .hero-note{font-size:10px;letter-spacing:1.1px;line-height:1.7;margin-top:23px}
  .hero .social-buttons{display:none}
  .principles-inner{flex-direction:column;gap:9px;font-size:18px;line-height:1.35;padding-block:21px}
  .principles-inner .star{display:none}
  .principles-inner span:last-child{flex-basis:auto}
  .section{padding-block:47px}
  .eyebrow,.section-heading .eyebrow{font-size:10px;letter-spacing:1.5px}
  .section-heading .eyebrow{margin-bottom:17px}
  h2{font-size:36px;line-height:1.16;letter-spacing:-1px}
  .section-heading{margin-bottom:29px}
  .section-heading>p,.section-heading>div+div{font-size:15px;line-height:1.75;margin-top:21px}
  .service summary{grid-template-columns:22px minmax(0,1fr) 23px;gap:12px;padding-block:25px}
  .service-index{font-size:12px;padding-top:3px}
  .service-label{font-size:10px;line-height:1.5;letter-spacing:1px;margin-bottom:9px}
  .service-title{font-size:26px;line-height:1.2;letter-spacing:-.6px}
  .service-description{font-size:15px;line-height:1.75;max-width:none;grid-column:2/4;margin-top:2px;padding:0}
  .service-expanded{font-size:15px;line-height:1.75;margin-left:34px;padding:0 0 25px}
  .service-expanded li{padding-block:5px}
  .service-expanded .text-link{font-size:14px;min-height:48px}
  .about-section{padding-block:47px}
  .about-grid{gap:38px}
  blockquote{font-size:35px;line-height:1.23}
  .about-copy h2{font-size:34px}
  .about-copy>p{font-size:15px;line-height:1.8}
  .credentials{gap:20px;margin-top:25px;padding-top:21px}
  .credentials span{font-size:10px;letter-spacing:1px}
  .credentials p{font-size:13px;line-height:1.65}
  .about-copy .registration{font-size:10px;line-height:1.7;letter-spacing:1px}
  .product-display{min-height:350px;padding:52px 30px 48px}
  .book{width:181px}
  .product-topline,.product-bottomline{font-size:10px;letter-spacing:1.1px;left:20px;right:20px}
  .product-topline{top:18px}
  .product-bottomline{bottom:18px}
  .product-info{padding:28px 23px 30px}
  .tag{font-size:10px;letter-spacing:1.2px;margin-bottom:21px}
  .product-info h3{font-size:36px;line-height:1.12;letter-spacing:-1px;margin-bottom:22px}
  .product-info .product-lead{font-size:17px;line-height:1.65}
  .product-info>p{font-size:15px;line-height:1.75}
  .product-features{font-size:14px;line-height:1.7;margin:20px 0 25px}
  .product-features li{padding:10px 0}
  .product-actions{display:grid;grid-template-columns:1fr;gap:12px}
  .product-actions .button{width:100%;font-size:14px;min-height:52px;justify-content:space-between;padding-inline:18px}
  .product-actions .text-link{width:100%;font-size:14px;min-height:48px;border:1px solid var(--line);padding:10px 18px;justify-content:space-between}
  .product-info .small-note{font-size:12px;line-height:1.6;margin-top:18px}
  .content-section{padding-block:47px}
  .content-section .text-link{font-size:14px;min-height:48px}
  .editorial-category{font-size:10px;line-height:1.5}
  .editorial h3{font-size:28px;line-height:1.3}
  .editorial-number{font-size:10px}
  .contact-section{padding-block:47px}
  .contact-section h2{font-size:35px;line-height:1.2}
  .contact-section p:not(.eyebrow){font-size:15px;line-height:1.75}
  .contact-action{min-width:0;width:100%;max-width:none;padding-top:27px}
  .contact-action .button{min-height:52px;font-size:14px;padding:13px 18px;gap:16px}
  .contact-action>span{font-size:25px}
  .contact-action .contact-handle{font-size:16px;display:inline-flex;min-height:44px;align-items:center;margin-top:0}
  .contact-action small{font-size:12px;line-height:1.65;margin-top:6px}
  .footer-inner p{font-size:12px;line-height:1.7}
  .back-top{font-size:12px;min-height:44px;align-items:center;gap:14px}
  .footer-bottom{font-size:10px;line-height:1.6;flex-wrap:wrap;gap:5px}
  .mobile-contact-bar{position:fixed;z-index:30;top:auto;left:0;right:0;bottom:0;width:100%;display:flex;flex-direction:row;align-items:stretch;gap:10px;padding:10px 16px calc(10px + env(safe-area-inset-bottom,0px));border:0;border-top:1px solid var(--line);background:var(--paper);box-shadow:0 -4px 20px #2829240b}
  .mobile-contact-bar>a{display:flex;align-items:center;justify-content:center;gap:22px;flex:1;min-width:0;min-height:48px;font-size:14px;line-height:1.4;padding:12px;border:1px solid var(--line)}
  .mobile-contact-bar>a:first-child{background:var(--burgundy);color:var(--paper);border-color:var(--burgundy)}
  .mobile-contact-bar>a::after{display:none}
  .mobile-contact-bar>a:hover{filter:brightness(.96)}
  .mobile-contact-bar span{font-size:18px}
  body.modal-open .mobile-contact-bar{visibility:hidden}
  dialog{width:calc(100% - 20px);max-height:calc(100dvh - 28px)}
  .dialog-header{padding:14px 16px}
  .dialog-header .eyebrow{font-size:10px}
  .dialog-header h2{font-size:25px}
  .dialog-close{min-width:44px;height:44px}
  .preview-toolbar{font-size:14px;gap:20px;padding:14px}
  .preview-toolbar button{width:48px;height:44px;font-size:18px}
  .preview-image-wrap{padding-inline:5px}
  .dialog-footer{font-size:13px;line-height:1.6;padding:16px;flex-wrap:wrap}
  .dialog-footer .text-link{font-size:14px;min-height:44px}
}
@media(max-width:359px){
  .container{width:calc(100% - 32px)}
  .brand-name{font-size:10px;letter-spacing:.6px}
  .brand-name small{font-size:7px;letter-spacing:1px}
  .brand{gap:10px}
  .hero-visual{grid-template-columns:80px minmax(0,1fr);gap:14px}
  .portrait-frame{width:80px;height:104px}
  .portrait-caption>span{font-size:23px}
  .mobile-profession{font-size:11px}
  .hero .eyebrow{font-size:9px;letter-spacing:1px}
  .service-title{font-size:24px}
  .credentials{grid-template-columns:1fr;gap:13px}
  .product-info{padding-inline:19px}
  .product-info h3{font-size:32px}
  .mobile-contact-bar{padding-inline:12px}
  .mobile-contact-bar>a{gap:12px}
}