/* Cornerstone Group — public site
   Layout follows shell.com, type follows apple.com (SF Pro on Apple devices, Inter elsewhere). */
:root{
  --text:#1d1d1f;
  --muted:#6e6e73;
  --grey:#f5f5f5;
  --line:#e5e5e5;
  --gold:#d4ad5a;
  --gold-dark:#b8913f;
  --bronze:#8a6a3b;
  --font:-apple-system,BlinkMacSystemFont,"SF Pro Text","SF Pro Display","Helvetica Neue",Inter,Arial,sans-serif;
  --wrap:1180px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-padding-top:80px}
body{font-family:var(--font);color:var(--text);background:#fff;font-size:17px;line-height:1.47059;letter-spacing:-.022em;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}
a{color:inherit;text-decoration:none}
img{display:block;width:100%}
svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}
:focus-visible{outline:2px solid var(--gold-dark);outline-offset:2px}
.container{max-width:var(--wrap);margin:0 auto;padding:0 20px}
h1,h2,h3{font-weight:600;color:var(--text)}
h2{font-size:40px;line-height:1.1;letter-spacing:0}
.section{margin-top:72px}
.muted{color:var(--muted)}
.skip{position:absolute;left:-9999px;top:0;background:#fff;padding:10px 14px;z-index:100}
.skip:focus{left:10px}

/* ---------- header ---------- */
.header{position:sticky;top:0;z-index:20;background:#fff;border-bottom:1px solid var(--line)}
.header .container{height:64px;display:flex;align-items:center;gap:28px}
.logo{display:flex;align-items:center;flex-shrink:0}
.logo img{height:42px;width:auto}
.menu{display:flex;height:100%;flex:1}
.menu-item{position:relative;display:flex;align-items:stretch}
.menu-item>a{display:flex;align-items:center;gap:6px;padding:0 13px;font-size:12px;letter-spacing:-.01em;color:rgba(0,0,0,.8);border-bottom:3px solid transparent;margin-bottom:-1px}
.menu-item>a:hover{border-bottom-color:var(--line)}
.menu-item>a.active{border-bottom-color:var(--gold)}
.menu i{width:6px;height:6px;border-right:1.5px solid;border-bottom:1.5px solid;transform:rotate(45deg) translateY(-2px)}
.sub-toggle{display:none}
.submenu{position:absolute;top:100%;left:0;min-width:230px;background:#fff;border:1px solid var(--line);border-top:0;padding:8px 0;opacity:0;visibility:hidden;transform:translateY(4px);transition:opacity .15s,transform .15s,visibility .15s}
.has-sub:hover .submenu,.has-sub:focus-within .submenu{opacity:1;visibility:visible;transform:none}
.submenu a{display:block;padding:9px 18px;font-size:14px;color:var(--text)}
.submenu a:hover{background:var(--grey)}
.search{margin-left:auto;display:flex;align-items:center;gap:4px}
.search input{width:0;border:0;border-bottom:1px solid transparent;font:inherit;font-size:14px;padding:6px 0;transition:width .2s,border-color .2s;background:transparent}
.search:focus-within input,.search input:not(:placeholder-shown){width:170px;border-bottom-color:var(--line);padding:6px 4px}
.search input:focus{outline:none;border-bottom-color:var(--gold)}
.icon-btn{background:none;border:0;color:var(--text);cursor:pointer;padding:6px;display:flex}
.burger{display:none}

/* ---------- buttons ---------- */
.btn{display:inline-block;background:var(--gold);color:#1d1d1f;font:inherit;font-size:17px;padding:11px 22px;border:0;cursor:pointer}
.btn:hover{background:var(--gold-dark)}

/* ---------- hero + slider ---------- */
.hero{position:relative}
.hero img{height:min(640px,72vh);min-height:460px;object-fit:cover}
.hero-inner img{height:min(460px,56vh);min-height:340px}
.hero-card{position:absolute;left:max(20px,calc((100vw - var(--wrap))/2 + 20px));top:50%;transform:translateY(-50%);max-width:500px;background:rgba(29,29,31,.82);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);color:#fff;padding:36px}
.hero-card h1,.hero-card h2{color:#f5f5f7;font-size:40px;line-height:1.1;letter-spacing:0;margin-bottom:14px}
.hero-card p{color:#d2d2d7}
.hero-card p+.btn{margin-top:24px}
.slider{overflow:hidden}
.slide{position:absolute;inset:0;opacity:0;visibility:hidden;transition:opacity .8s ease,visibility .8s}
.slide.is-active{position:relative;opacity:1;visibility:visible}
.slide-link{display:block}
.slider-controls{position:absolute;left:0;right:0;bottom:22px;display:flex;align-items:center;gap:12px;pointer-events:none}
.slider-controls>*{pointer-events:auto}
.slider-arrow{width:40px;height:40px;display:grid;place-items:center;background:rgba(255,255,255,.85);border:0;cursor:pointer;color:var(--text)}
.slider-arrow:hover{background:#fff}
.dots{display:flex;gap:8px}
.dot{width:24px;height:3px;border:0;background:rgba(255,255,255,.55);cursor:pointer;padding:0}
.dot.is-active{background:#fff}

.plain-hero{background:var(--grey);padding:64px 0 56px}
.plain-hero h1{font-size:48px;line-height:1.08}
.plain-hero p{color:var(--muted);font-size:21px;margin-top:12px;max-width:720px}
.plain-hero .btn{margin-top:24px}
.crumbs{display:flex;flex-wrap:wrap;gap:8px;padding-top:18px;font-size:12px;color:var(--muted)}
.crumbs a:hover{color:var(--text);text-decoration:underline}

/* ---------- section heads ---------- */
.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:20px;margin-bottom:32px}
.section-head.center{justify-content:center;text-align:center}
.section-link{display:flex;align-items:center;gap:8px;color:var(--bronze);white-space:nowrap}
.section-link:hover{text-decoration:underline}

/* ---------- cards ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.card{display:flex;flex-direction:column;background:var(--grey);overflow:hidden}
.card.white{background:#fff}
.card img{aspect-ratio:16/9;object-fit:cover}
.card-body{display:flex;flex-direction:column;flex:1;padding:26px 28px 28px}
.card h3{font-size:24px;line-height:1.16667;letter-spacing:.009em}
.card p{color:var(--muted);margin-top:10px}
.more{margin-top:auto;padding-top:24px;align-self:flex-end;color:var(--bronze);display:flex;align-items:center;gap:8px}
.more svg{transition:transform .2s}.card:hover .more svg{transform:translateX(3px)}
a.card:hover h3,.news:hover h3{text-decoration:underline}
.band{background:var(--grey);margin-top:72px;padding:56px 0 64px}

.help{background:var(--grey);padding:20px;display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.help.single{grid-template-columns:1fr}
.help a{display:flex;align-items:center;gap:12px;background:#fff;font-weight:600;padding:16px 20px;border:1px solid var(--line);transition:border-color .2s}
.help a svg{color:var(--bronze)}
.help a:hover{border-color:#b9b9be}

.news{display:flex;flex-direction:column;justify-content:space-between;min-height:170px;background:var(--grey);padding:24px}
.news h3{font-size:21px;line-height:1.19048;letter-spacing:.011em}
.news span{font-size:14px;color:var(--muted);margin-top:20px}

/* ---------- inner pages ---------- */
.prose{max-width:780px}
.prose h2{font-size:32px;margin:40px 0 14px}
.prose h2:first-child{margin-top:0}
.prose h3{font-size:24px;margin:28px 0 10px}
.prose p,.prose ul,.prose ol{margin-bottom:16px}
.prose ul,.prose ol{padding-left:22px}
.prose a{color:var(--bronze);text-decoration:underline}
.prose img{margin:24px 0;height:auto}
.people{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.person{background:#fff;padding:26px 28px}
.person img{aspect-ratio:1;object-fit:cover;margin-bottom:18px}
.person h3{font-size:21px}
.person p{color:var(--muted);margin-top:4px}
.note{color:var(--muted);margin-top:24px;font-size:15px}
.split{display:grid;grid-template-columns:1fr 1fr;background:var(--grey);margin-bottom:20px}
.split img{height:100%;min-height:340px;object-fit:cover}
.split.flip img{order:2}
.split-body{padding:48px;display:flex;flex-direction:column;justify-content:center;align-items:flex-start}
.split h2{font-size:32px;margin-bottom:14px}
.split p{color:var(--muted);margin-bottom:24px}
.steps{list-style:none;display:grid;gap:0;border-top:1px solid var(--line)}
.steps li{display:grid;grid-template-columns:64px 1fr;gap:20px;padding:28px 0;border-bottom:1px solid var(--line)}
.step-no{width:44px;height:44px;display:grid;place-items:center;background:var(--grey);font-weight:600;color:var(--bronze)}
.steps h3{font-size:24px}
.steps p{color:var(--muted);margin-top:6px;max-width:720px}
.filters{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:32px}
.filters a{padding:8px 16px;border:1px solid var(--line);font-size:15px}
.filters a:hover{border-color:#b9b9be}
.filters a.is-active{background:var(--text);border-color:var(--text);color:#fff}
.results{margin:-16px 0 24px}.results a{color:var(--bronze);text-decoration:underline}
.empty{padding:40px;background:var(--grey);color:var(--muted)}.empty a{color:var(--bronze);text-decoration:underline}
.facts{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;background:var(--grey);padding:24px 28px;margin-bottom:40px}
.facts dt{font-size:13px;color:var(--muted)}
.facts dd{font-weight:600;margin-top:2px}
.gallery{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin-top:40px}
.gallery img{aspect-ratio:4/3;object-fit:cover}

/* ---------- contact ---------- */
.contact{display:grid;grid-template-columns:1.4fr 1fr;gap:56px}
.contact h2{font-size:32px;margin-bottom:24px}
.form label{display:block;font-size:14px;font-weight:600;margin:18px 0 6px}
.form input,.form textarea{width:100%;font:inherit;font-size:17px;padding:12px 14px;border:1px solid #d2d2d7;background:#fff;color:var(--text)}
.form input:focus,.form textarea:focus{outline:none;border-color:var(--gold-dark)}
.form [aria-invalid=true]{border-color:#c0392b}
.field-error{display:block;color:#c0392b;font-size:14px;margin-top:6px}
.form .btn{margin-top:24px}
.two{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.hp{position:absolute;left:-9999px}
.notice{background:#eef7ee;border:1px solid #cfe6cf;padding:14px 16px;margin-bottom:8px}
.contact-info{background:var(--grey);padding:32px;align-self:start}
.contact-info p{margin-bottom:12px}
.contact-info ul{list-style:none;margin-top:20px;display:grid;gap:12px}
.contact-info li{display:flex;gap:10px;align-items:center}
.contact-info li svg{color:var(--bronze)}
.contact-info a:hover{text-decoration:underline}

/* ---------- footer ---------- */
.footer{background:var(--grey);margin-top:88px;padding:40px 0 24px;font-size:12px;letter-spacing:-.01em;line-height:1.33337}
.footer-cols{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;padding-bottom:32px;border-bottom:1px solid #dcdcdc}
.footer h4{font-size:12px;font-weight:600;margin-bottom:12px}
.footer h4 a{color:var(--text)}
.footer a,.footer p{display:block;color:var(--muted);margin-bottom:8px}
.footer a:hover{color:var(--text);text-decoration:underline}
.social{display:flex;gap:14px;margin-top:8px}
.footer-bottom{display:flex;justify-content:space-between;gap:16px;padding-top:18px;color:var(--muted)}
.footer-bottom a.credit{display:inline;margin:0;color:var(--text)}

/* ---------- tablet ---------- */
@media (max-width:1000px){
  .burger{display:flex}
  .search{margin-left:auto}
  .header .container{gap:8px}
  .menu{display:none;position:absolute;top:64px;left:0;right:0;height:auto;max-height:calc(100vh - 64px);overflow:auto;flex-direction:column;background:#fff;border-bottom:1px solid var(--line);padding:8px 20px 16px}
  .menu.open{display:flex}
  .menu-item{flex-wrap:wrap;border-bottom:1px solid var(--line)}
  .menu-item>a{flex:1;padding:14px 0;font-size:17px;color:var(--text);border:0;margin:0}
  .menu-item>a i{display:none}
  .menu-item>a.active{color:var(--bronze)}
  .sub-toggle{display:grid;place-items:center;width:44px;background:none;border:0;cursor:pointer}
  .sub-toggle[aria-expanded=true] i{transform:rotate(-135deg) translate(-2px,-2px)}
  .submenu{position:static;width:100%;border:0;padding:0 0 10px 12px;opacity:1;visibility:visible;transform:none;display:none}
  .submenu.open{display:block}
  .has-sub:hover .submenu{display:none}.has-sub:hover .submenu.open{display:block}
  .submenu a{font-size:16px;padding:10px 0}
  .submenu a:hover{background:none;text-decoration:underline}
  .grid-4{grid-template-columns:1fr 1fr}
  .people{grid-template-columns:1fr 1fr}
  .contact{grid-template-columns:1fr;gap:40px}
  .facts{grid-template-columns:1fr 1fr}
}
/* ---------- mobile ---------- */
@media (max-width:760px){
  .hero img,.hero-inner img{height:320px;min-height:0}
  .hero-card{position:static;transform:none;max-width:none;background:var(--text);padding:28px 20px}
  .hero-card h1,.hero-card h2{font-size:30px}
  .slide{display:none}.slide.is-active{display:block}
  .slider-controls{position:static;justify-content:center;padding:14px 0 0}
  .slider-arrow{background:var(--grey)}
  .dot{background:#d2d2d7}.dot.is-active{background:var(--text)}
  .grid-3,.help,.grid-4,.people,.gallery,.two{grid-template-columns:1fr}
  .split{grid-template-columns:1fr}.split.flip img{order:0}.split img{min-height:240px}.split-body{padding:28px 22px}
  .news{min-height:auto}
  h2{font-size:32px}
  .plain-hero h1{font-size:36px}
  .section,.band{margin-top:56px}
  .section-head{flex-direction:column;align-items:flex-start}
  .steps li{grid-template-columns:52px 1fr;gap:12px}
  .search{display:none}
  .burger{margin-left:auto}
  .footer-cols{grid-template-columns:1fr 1fr}
  .footer-bottom{flex-direction:column}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}