/* Sentinel House V14: layout */
.container{width:min(calc(100% - 48px),var(--max));margin-inline:auto}
.site-header{position:sticky;top:0;z-index:60;background:rgba(239,231,216,.9);backdrop-filter:blur(16px);border-bottom:1px solid rgba(21,21,20,.16)}
.nav-shell{min-height:82px;display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:28px}
.site-nav{display:flex;align-items:center;gap:20px;font:700 .76rem var(--sans)}
.site-nav>a:not(.button){padding:9px 0;position:relative}
.site-nav>a:not(.button):after{content:"";position:absolute;left:0;right:100%;bottom:2px;height:1px;background:var(--ink);transition:right .25s}
.site-nav>a:hover:after,.site-nav>a[aria-current="page"]:after{right:0}
.nav-toggle{display:none;background:none;border:0;width:42px;height:42px;position:relative}
.nav-toggle span,.nav-toggle span:before,.nav-toggle span:after{content:"";position:absolute;width:24px;height:2px;background:var(--ink);left:9px}
.nav-toggle span{top:20px}
.nav-toggle span:before{top:-7px;left:0}
.nav-toggle span:after{top:7px;left:0}
.site-footer{background:#0f0f0e;color:#eee;padding:85px 0 28px}
.colophon-grid{display:grid;grid-template-columns:1.25fr .55fr .55fr .75fr;gap:55px}
.colophon-grid p{color:#afa79c}
.footer-nav{display:flex;flex-direction:column;gap:10px}
.footer-nav h3{font:700 .65rem var(--condensed);letter-spacing:.17em;text-transform:uppercase;color:#777067;margin:0 0 8px}
.footer-base{border-top:1px solid #35322f;margin-top:65px;padding-top:22px;display:flex;justify-content:space-between;font:700 .64rem var(--condensed);letter-spacing:.13em;color:#777067;text-transform:uppercase}
.footer-logo{width:min(280px,100%);height:auto;display:block;margin:0 0 28px;border-radius:0 0 10px 0}
.site-header{background:rgba(239,231,216,.96)}
.page-transition{position:fixed;inset:0;background:var(--crimson);z-index:999;transform:translateX(-101%);pointer-events:none;display:grid;place-items:center}
.page-transition span{width:min(340px,52vw);aspect-ratio:575/253;background:url("../img/sentinel-house-press-logo.png") center/contain no-repeat;opacity:0;transform:translateY(20px)}
.brand-standard{padding:clamp(7rem,11vw,11rem) 0}
.brand-ledger{border-top:1px solid rgba(255,255,255,.35)}
.brand-ledger>div{display:grid;grid-template-columns:1fr 1fr;padding:1.3rem 0;border-bottom:1px solid rgba(255,255,255,.35);font:400 clamp(2rem,4vw,4rem)/1 var(--serif)}
.brand-ledger span{opacity:.6;font-style:italic}
.colophon-grid{display:grid;grid-template-columns:1.4fr .55fr .55fr .5fr;gap:clamp(2rem,5vw,6rem);align-items:start}
.colophon-brand .footer-logo{width:min(300px,100%)}
.colophon-statement{font:400 clamp(2.6rem,4.5vw,5rem)/.9 var(--serif);letter-spacing:-.035em;margin:2rem 0}
.colophon-statement span{color:#f0a49d}
.colophon-brand>p:last-child{color:#9f978a}
.scroll-spine{position:fixed;right:0;top:0;width:5px;height:100vh;background:rgba(23,23,20,.08);z-index:995;pointer-events:none}
.scroll-spine span{display:block;width:100%;height:0;background:var(--page-accent);box-shadow:0 0 18px color-mix(in srgb,var(--page-accent) 70%,transparent);transition:height .08s linear}
.v7-rights .container{position:relative;z-index:1}
.service-landing .site-header{position:sticky;top:0}
.v7-commercial-hero .container{position:relative;z-index:1}
.plymouth-service-note .container{display:grid;grid-template-columns:1fr 1fr;gap:clamp(3rem,7vw,8rem);align-items:center}
body.sentinel-site main,body.sentinel-site section,body.sentinel-site .container,body.sentinel-site [class*="grid"]{min-width:0}
body.sentinel-site .container{width:min(calc(100% - clamp(2rem,6vw,6rem)),var(--content-wide));margin-inline:auto}
body.sentinel-site .site-header{min-height:var(--header-height)}
body.sentinel-site .site-nav a{min-height:44px;display:inline-flex;align-items:center}
body.sentinel-site .nav-toggle{min-width:48px;min-height:48px}
body.sentinel-site .site-nav{overscroll-behavior:contain}
body.sentinel-site .site-header,body.sentinel-site .site-nav,body.sentinel-site .button,body.sentinel-site button,body.sentinel-site input,body.sentinel-site textarea,body.sentinel-site select,body.sentinel-site label,body.sentinel-site .eyebrow,body.sentinel-site dt,body.sentinel-site figcaption{font-family:var(--font-ui)}
body.sentinel-site .site-nav,body.sentinel-site .eyebrow{font-variant-numeric:tabular-nums lining-nums}
body.sentinel-site .nav-shell{font-family:var(--font-ui)}
body.sentinel-site .site-nav>a:not(.button){font-size:.78rem;letter-spacing:.01em}
.container{min-width:0}
.nautical-edition .site-header:after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;background:linear-gradient(90deg,transparent,var(--nautical-brass),transparent);opacity:.55}
.nautical-colophon-mark{display:grid;justify-items:center;gap:8px;margin-bottom:24px;text-align:center}
.nautical-colophon-mark img{width:72px;height:72px;opacity:.82}
.archive-opening .container,.case-chapter .container{min-width:0}
.press-spine{
  position:fixed;inset:0 auto 0 0;width:14px;z-index:1200;background:var(--signal);
  box-shadow:inset -1px 0 rgba(255,255,255,.16);
}
.press-spine span{position:absolute;left:50%;top:132px;writing-mode:vertical-rl;transform:translateX(-50%) rotate(180deg);font:700 .52rem/1 var(--font-ui);letter-spacing:.24em;text-transform:uppercase;color:rgba(255,255,255,.82);white-space:nowrap}
.site-header.cinematic-header{
  position:sticky;top:0;z-index:1000;min-height:var(--header-height);
  background:var(--header-ivory);backdrop-filter:blur(18px) saturate(1.08);
  border-bottom:1px solid var(--header-rule);
  transition:min-height .24s ease,background .24s ease,box-shadow .24s ease;
}
.site-header.cinematic-header.is-scrolled{min-height:76px;background:rgba(248,243,233,.97);box-shadow:0 12px 32px rgba(28,22,16,.09)}
.site-header .nav-shell{min-height:inherit;display:grid;grid-template-columns:minmax(220px,auto) 1fr;align-items:center;gap:clamp(1.5rem,3vw,3rem)}
.site-header .brand{display:inline-flex;align-items:center;gap:12px;min-width:0;padding-block:10px}
.site-header .brand-seal{width:48px;height:56px;object-fit:cover;border-radius:0 0 8px 0;box-shadow:0 8px 18px rgba(88,18,24,.16);flex:none}
.site-header .brand-wordmark{display:grid;gap:4px;min-width:0}
.site-header .brand-wordmark strong{font:600 1.12rem/.88 var(--font-display);letter-spacing:-.035em;color:var(--header-ink)}
.site-header .brand-wordmark small{font:700 .54rem/1.2 var(--font-ui);letter-spacing:.11em;text-transform:uppercase;color:var(--muted);white-space:nowrap}
.site-header .site-nav{display:grid;grid-template-columns:minmax(0,1fr) auto auto;align-items:center;gap:clamp(1rem,2vw,2rem);min-width:0}
.site-header .nav-primary{display:flex;justify-content:center;align-items:center;gap:clamp(.75rem,1.55vw,1.45rem);min-width:0}
.site-header .nav-primary a{position:relative;display:grid;grid-template-columns:auto 1fr;align-items:baseline;gap:.34rem;padding:.8rem .1rem;font:650 .79rem/1 var(--font-ui);letter-spacing:.005em;white-space:nowrap;color:var(--header-ink)}
.site-header .nav-primary a::before{content:attr(data-chapter);font:700 .57rem/1 var(--font-ui);letter-spacing:.1em;color:var(--signal);transform:translateY(-.06em);transition:transform .2s ease}
.site-header .nav-primary a::after{content:"";position:absolute;left:0;right:100%;bottom:.42rem;height:2px;background:var(--signal);transform:rotate(-1deg);transition:right .24s ease}
.site-header .nav-primary a:hover::before,.site-header .nav-primary a:focus-visible::before{transform:translateY(-.06em) translateX(2px)}
.site-header .nav-primary a:hover::after,.site-header .nav-primary a:focus-visible::after,.site-header .nav-primary a[aria-current="page"]::after{right:0}
.site-header .nav-primary a[aria-current="page"]{font-weight:800}
.site-header .nav-secondary{display:flex;align-items:center;gap:.85rem;border-left:1px solid var(--header-rule);padding-left:1.15rem}
.site-header .nav-secondary a{font:650 .7rem/1 var(--font-ui);color:var(--muted);white-space:nowrap;transition:color .18s ease}
.site-header .nav-secondary a:hover,.site-header .nav-secondary a:focus-visible,.site-header .nav-secondary a[aria-current="page"]{color:var(--signal)}
.site-header .header-cta{width:auto;min-height:50px;padding-inline:1.15rem;gap:.6rem;white-space:nowrap;box-shadow:0 10px 24px rgba(120,23,29,.13)}
.site-header .header-cta span{font-size:1.02em;transition:transform .18s ease}
.site-header .header-cta:hover span{transform:translate(2px,-2px)}
.site-header .nav-toggle{display:none;justify-self:end;border:1px solid var(--header-rule);background:rgba(255,255,255,.22)}
.site-header .header-progress{position:absolute;left:0;right:0;bottom:-1px;height:2px;background:transparent;overflow:hidden}
.site-header .header-progress span{display:block;width:0;height:100%;background:linear-gradient(90deg,var(--signal),var(--nautical-brass));transition:width .08s linear}
.cinematic-overture{position:fixed;inset:0;z-index:2000;display:grid;place-items:center;background:var(--ink);color:var(--cream);opacity:0;visibility:hidden;pointer-events:none}
.brand-wordmark>strong{white-space:nowrap}
.division-switcher{display:flex;align-items:center;gap:.45rem;font:700 .59rem/1 var(--font-ui);letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.division-switcher a{position:relative;color:inherit;padding:.22rem 0}
.division-switcher a.active{color:var(--signal)}
.division-switcher a.active::after{content:"";position:absolute;left:0;right:0;bottom:-.08rem;height:2px;background:currentColor}
.division-switcher i{font-style:normal;color:rgba(23,23,20,.3)}
.brand-cluster{display:flex;align-items:center;gap:1rem;min-width:0}
.brand-cluster .brand{flex:none}
.brand-cluster .division-switcher{padding-left:1rem;border-left:1px solid var(--header-rule)}

/* V14 layout: one responsive system, no hidden division */
.site-header .nav-shell{width:min(calc(100% - clamp(1.5rem,4vw,4rem)),var(--content-wide));grid-template-columns:minmax(230px,auto) 1fr}
.site-header .division-switcher a{display:inline-flex!important}
.site-header .site-nav{min-width:0}
.site-header .nav-primary,.site-header .nav-secondary{min-width:0}
.site-header .nav-primary a,.site-header .nav-secondary a{min-height:44px}
.site-footer{overflow:hidden}
.colophon-grid,.studio-footer-grid{min-width:0}

@media (max-width:1199px){
  .press-spine{display:none}
  .site-header .nav-shell{grid-template-columns:auto 1fr;gap:1rem}
  .site-header .nav-primary{gap:.75rem}
  .site-header .nav-primary a{font-size:.72rem}
  .site-header .nav-secondary{display:none}
  .site-header .header-cta{padding-inline:.9rem;font-size:.72rem}
}

@media (max-width:900px){
  :root{--header-height:76px}
  .site-header .nav-shell{grid-template-columns:1fr auto;min-height:76px}
  .site-header .brand-seal{width:42px;height:48px}
  .site-header .brand-wordmark strong{font-size:1rem}
  .brand-cluster{gap:.7rem}
  .brand-cluster .division-switcher{padding-left:.7rem;gap:.35rem;font-size:.56rem}
  .site-header .nav-toggle{display:grid;place-items:center;z-index:1002}
  .site-header .site-nav{
    position:fixed;inset:0;z-index:1001;
    display:flex;flex-direction:column;align-items:stretch;justify-content:flex-start;
    gap:1.4rem;padding:calc(var(--header-height) + 2.25rem) clamp(1.4rem,6vw,4rem) 2.5rem;
    background:var(--ink);color:var(--cream);overflow-y:auto;
    opacity:0;visibility:hidden;transform:translateY(-1rem);transition:.24s ease;
  }
  .site-header .site-nav.open{opacity:1;visibility:visible;transform:none}
  .site-header .nav-primary{display:grid;gap:0;width:100%}
  .site-header .nav-primary a{display:grid;grid-template-columns:2.4rem 1fr;gap:.65rem;padding:.7rem 0;border-bottom:1px solid rgba(255,255,255,.16);font:500 clamp(2.2rem,9vw,4.6rem)/.92 var(--font-display);color:var(--cream);white-space:normal}
  .site-header .nav-primary a::before{font:700 .65rem/1 var(--font-ui);letter-spacing:.12em;color:#ef8074}
  .site-header .nav-primary a::after{display:none}
  .site-header .nav-secondary{display:flex;flex-wrap:wrap;border:0;padding:0;gap:.6rem 1rem}
  .site-header .nav-secondary a{color:#c6beb2;font-size:.82rem}
  .site-header .header-cta{width:100%;min-height:54px;margin-top:auto}
  .site-header .nav-toggle span,.site-header .nav-toggle span::before,.site-header .nav-toggle span::after{background:var(--ink)}
  body.nav-open .site-header .nav-toggle span{background:transparent}
  body.nav-open .site-header .nav-toggle span::before{top:0;transform:rotate(45deg);background:var(--cream)}
  body.nav-open .site-header .nav-toggle span::after{top:0;transform:rotate(-45deg);background:var(--cream)}
  .chapter-rail,.scroll-spine{display:none}
  .colophon-grid,.studio-footer-grid{grid-template-columns:1fr 1fr;gap:2.5rem}
}

@media (max-width:640px){
  .container,body.sentinel-site .container{width:min(calc(100% - 2rem),var(--content-wide))}
  .site-header .brand-wordmark strong{font-size:.94rem}
  .brand-cluster .division-switcher{border-left:0;padding-left:0;margin-left:.15rem}
  .division-switcher i{opacity:.5}
  .site-header .brand-seal{width:38px;height:44px}
  .colophon-grid,.studio-footer-grid{grid-template-columns:1fr;gap:2rem}
  .footer-base{display:grid;gap:.65rem;text-align:left}
  .nautical-colophon-mark{display:none}
  .mobile-manuscript-cta{left:.8rem;right:.8rem;bottom:max(.8rem,env(safe-area-inset-bottom));min-height:54px}
}

@media (max-width:380px){
  .site-header .brand-wordmark{display:none}
  .brand-cluster .division-switcher{font-size:.53rem}
  .site-header .nav-shell{width:calc(100% - 1rem)}
}


/* V15 final pass: compact, independently scrollable mobile navigation */
@media (max-width:900px){
  body.nav-open{overflow:hidden;touch-action:none}
  .site-header .site-nav{
    inset:0;
    width:100%;
    height:100vh;
    height:100dvh;
    max-height:100dvh;
    padding:calc(var(--header-height) + 1rem) clamp(1.25rem,5vw,2.5rem) max(2rem,env(safe-area-inset-bottom));
    overflow-x:hidden;
    overflow-y:auto;
    overscroll-behavior:contain;
    -webkit-overflow-scrolling:touch;
    touch-action:pan-y;
    scrollbar-gutter:stable;
  }
  .site-header .site-nav.open{display:flex}
  .site-header .nav-primary a{
    grid-template-columns:2rem minmax(0,1fr);
    padding:.62rem 0;
    font-size:clamp(1.85rem,6.7vw,3.25rem);
    line-height:1;
    letter-spacing:-.035em;
  }
  .site-header .nav-primary a::before{font-size:.58rem}
  .site-header .nav-secondary{
    display:grid;
    grid-template-columns:repeat(3,minmax(0,1fr));
    gap:.5rem;
  }
  .site-header .nav-secondary a{
    min-height:44px;
    padding:.75rem .5rem;
    border:1px solid rgba(255,255,255,.18);
    text-align:center;
    justify-content:center;
  }
  .site-header .header-cta{
    flex:0 0 auto;
    margin-top:.25rem;
    margin-bottom:env(safe-area-inset-bottom);
  }
  .site-header .nav-toggle{
    position:relative;
    z-index:1003;
  }
}
@media (max-width:480px){
  .site-header .site-nav{
    gap:1rem;
    padding-top:calc(var(--header-height) + .75rem);
  }
  .site-header .nav-primary a{
    font-size:clamp(1.7rem,9vw,2.45rem);
    padding:.56rem 0;
  }
  .site-header .nav-secondary{grid-template-columns:1fr 1fr}
}