:root{--ink:#07121d;--navy:#0b1e2e;--paper:#f5f2e9;--white:#fff;--gold:#d6a93f;--gold2:#f0cf78;--muted:#5a626b;--line:rgba(9,24,38,.15);--serif:Georgia,'Times New Roman',serif;--sans:system-ui,-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.65 var(--sans)}img{max-width:100%;height:auto}a{color:inherit}.shell{width:min(1180px,calc(100% - 40px));margin:auto}.skip{position:fixed;z-index:100;left:16px;top:-70px;padding:12px 18px;background:#fff}.skip:focus{top:16px}.site-header{position:sticky;z-index:40;top:0;background:rgba(245,242,233,.94);border-bottom:1px solid var(--line);backdrop-filter:blur(14px)}.nav{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:flex;align-items:center;gap:12px;text-decoration:none}.brand>span{width:43px;height:43px;display:grid;place-items:center;border:1px solid var(--gold);background:var(--navy);color:var(--gold2);font-family:var(--serif);font-weight:700}.brand div{display:grid}.brand small{color:var(--muted);font-size:.68rem;text-transform:uppercase;letter-spacing:.12em}.nav nav{display:flex;align-items:center;gap:22px}.nav nav a{text-decoration:none;font-size:.86rem;font-weight:700}.menu-button{display:none}.cart-button{min-height:42px;padding:0 14px;border:1px solid var(--ink);background:transparent;font-weight:800;cursor:pointer}.cart-button b{display:inline-grid;place-items:center;width:22px;height:22px;margin-left:5px;border-radius:50%;background:var(--gold)}.hero{overflow:hidden;padding:clamp(70px,9vw,130px) 0;background:radial-gradient(circle at 76% 28%,rgba(214,169,63,.18),transparent 27rem),linear-gradient(145deg,#06111b,#0b2234 66%,#102d41);color:#fff}.hero-grid{display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:clamp(45px,7vw,100px)}.eyebrow{margin:0 0 12px;color:#8a6414;font-size:.7rem;font-weight:900;text-transform:uppercase;letter-spacing:.18em}.hero .eyebrow,.closing .eyebrow{color:var(--gold2)}h1,h2,h3{font-family:var(--serif);line-height:1.08}h1{max-width:10ch;margin:0 0 24px;font-size:clamp(3.4rem,7vw,6.8rem);letter-spacing:-.055em}h1 em{color:var(--gold2);font-weight:400}h2{margin:.2em 0 .55em;font-size:clamp(2.2rem,4.5vw,4.4rem);letter-spacing:-.035em}h3{margin:.2em 0;font-size:clamp(1.8rem,3vw,2.7rem)}.lede{max-width:680px;color:#ced8df;font-size:1.15rem}.actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}.button{min-height:48px;display:inline-flex;align-items:center;justify-content:center;padding:0 19px;border:1px solid currentColor;text-decoration:none;font:800 .78rem var(--sans);letter-spacing:.04em;cursor:pointer}.gold{border-color:var(--gold);background:var(--gold);color:#07121d}.dark{border-color:var(--ink);background:var(--ink);color:#fff}.outline{border-color:rgba(255,255,255,.45);background:transparent;color:inherit}.trust{display:flex;flex-wrap:wrap;gap:18px;margin:30px 0 0;padding:0;list-style:none;color:#aebcc6;font-size:.72rem;text-transform:uppercase;letter-spacing:.1em}.hero-products{position:relative;min-height:580px}.hero-products figure{position:absolute;margin:0;background:#fff;box-shadow:0 34px 70px rgba(0,0,0,.45)}.hero-products img{display:block;width:100%}.hero-products figcaption{display:flex;justify-content:space-between;gap:12px;padding:12px 14px;color:var(--ink);font-size:.75rem}.hero-products .book{z-index:2;width:50%;left:4%;top:0;transform:rotate(-3deg)}.hero-products .app{z-index:1;width:72%;right:0;bottom:8%;transform:rotate(3deg)}.products,.profile{padding:clamp(80px,10vw,140px) 0}.section-head{max-width:820px;margin-bottom:50px}.section-head>p:last-child{color:var(--muted);font-size:1.08rem}.product-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}.product{overflow:hidden;border:1px solid var(--line);background:#fff;box-shadow:0 20px 50px rgba(7,18,29,.08)}.cover{height:410px;display:grid;place-items:center;overflow:hidden;background:#07121d}.cover img{height:100%;width:auto;object-fit:contain}.cover.wide{padding:28px;background:linear-gradient(145deg,#07121d,#183449)}.cover.wide img{width:100%;height:auto;box-shadow:0 20px 40px rgba(0,0,0,.35)}.product-copy{padding:clamp(24px,4vw,46px)}.kicker{margin:0;color:#996f20;font-size:.7rem;font-weight:900;text-transform:uppercase;letter-spacing:.14em}.subtitle{margin:.4em 0 1em;color:#34485a;font-family:var(--serif);font-size:1.25rem}.product-copy>p:not(.kicker,.subtitle),.product-copy li{color:var(--muted)}.product-copy ul{padding-left:20px}.price{display:flex;align-items:baseline;gap:12px;margin:25px 0 0}.price strong{font:700 2.2rem var(--serif)}.price span{color:var(--muted);font-size:.76rem;text-transform:uppercase}.buffett{padding:clamp(70px,9vw,120px) 0;background:#081522;color:#fff}.split{display:grid;grid-template-columns:1.05fr .95fr;align-items:center;gap:clamp(35px,7vw,90px)}.buffett figure{margin:0;border:1px solid rgba(214,169,63,.45)}.buffett figure img{display:block;width:100%;filter:saturate(.7)}.buffett figcaption{padding:10px 14px;color:#aab8c2;font-size:.7rem}.buffett p:not(.eyebrow){color:#c7d0d6}.profile-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:clamp(40px,8vw,100px)}.profile-card{padding:clamp(28px,4vw,50px);background:var(--navy);color:#fff}.profile-card>span{width:70px;height:70px;display:grid;place-items:center;border:1px solid var(--gold);color:var(--gold2);font:700 1.5rem var(--serif)}.profile-card dl{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid rgba(255,255,255,.18)}.profile-card dl div{padding-top:18px}.profile-card dt{color:#93a4b0;font-size:.68rem;text-transform:uppercase}.profile-card dd{margin:3px 0}.training{display:grid;grid-template-columns:1fr 1fr;gap:10px 25px;padding-left:20px}.notice{margin:28px 0;padding:18px;border-left:3px solid var(--gold);background:#eee8da}.closing{padding:90px 0;background:var(--navy);color:#fff;text-align:center}.closing h2{margin-inline:auto}.closing p{max-width:620px;margin-inline:auto;color:#c7d0d6}footer{padding:60px 0 25px;background:#050d14;color:#d8dee2}.footer-grid{display:grid;grid-template-columns:1.5fr repeat(3,1fr);gap:35px}.footer-grid>div{display:flex;flex-direction:column;gap:8px}.footer-grid a{text-decoration:none;font-size:.85rem}.footer-grid>div>strong{color:var(--gold2)}.footer-bottom{display:flex;justify-content:space-between;gap:20px;margin-top:50px;padding-top:20px;border-top:1px solid rgba(255,255,255,.15);color:#8696a2;font-size:.75rem}.cart-backdrop{position:fixed;z-index:70;inset:0;background:rgba(0,0,0,.62)}.cart-panel{position:fixed;z-index:80;right:0;top:0;width:min(440px,100%);height:100%;display:flex;flex-direction:column;background:#fff;box-shadow:-25px 0 70px rgba(0,0,0,.3);transform:translateX(105%);transition:transform .25s}.cart-panel.open{transform:none}.cart-panel>header{display:flex;justify-content:space-between;padding:24px;border-bottom:1px solid var(--line)}.cart-panel h2{margin:0;font-size:2rem}.cart-panel header button{border:0;background:none;font-size:2rem;cursor:pointer}.cart-panel>[data-cart-items]{flex:1;overflow:auto;padding:24px}.cart-item{padding:18px 0;border-bottom:1px solid var(--line)}.cart-item div{display:flex;justify-content:space-between;gap:15px}.cart-item p{color:var(--muted);font-size:.85rem}.cart-item .button{width:100%;margin-top:10px}.cart-item button{margin-top:8px;border:0;background:none;color:#8f3030;cursor:pointer}.cart-panel>footer{padding:24px;border-top:1px solid var(--line)}.cart-panel>footer .outline{width:100%;color:var(--ink)}.toast{position:fixed;z-index:100;left:50%;bottom:25px;transform:translateX(-50%);padding:12px 18px;background:#07121d;color:#fff;box-shadow:0 10px 35px rgba(0,0,0,.25)}:focus-visible{outline:3px solid #e2ae35;outline-offset:3px}@media(max-width:900px){.hero-grid,.split,.profile-grid{grid-template-columns:1fr}.hero-products{min-height:520px}.product-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}.nav nav{display:none;position:absolute;top:76px;left:0;right:0;padding:20px;background:var(--paper);border-bottom:1px solid var(--line)}.nav nav.open{display:flex;flex-direction:column;align-items:stretch}.menu-button{display:block;min-height:42px;padding:0 14px;border:1px solid var(--ink);background:transparent;font-weight:800}.nav nav .cart-button{width:100%}}@media(max-width:600px){.shell{width:min(100% - 28px,1180px)}h1{font-size:3.7rem}.hero{padding-top:60px}.hero-products{min-height:400px}.hero-products .book{width:57%}.hero-products .app{width:76%;bottom:7%}.cover{height:360px}.training,.footer-grid{grid-template-columns:1fr}.footer-bottom{flex-direction:column}.actions{align-items:stretch;flex-direction:column}.actions .button{width:100%}}

/* Visual refinements: responsive editorial cover and spaced labels. */
.trust,.detail-facts{gap:12px 22px}
.kicker,.recommended{line-height:1.5}
@media(max-width:600px){
  h1,.detail-copy h1{font-size:clamp(2.5rem,11.9vw,2.9rem);overflow-wrap:normal}
  .trust{display:grid;grid-template-columns:1fr;gap:12px}
  .site-header .nav{gap:8px}
  .site-header .brand{min-width:0;flex:1}
  .site-header .brand div{min-width:0}
  .site-header .brand strong{font-size:clamp(.85rem,4vw,1rem)}
  .site-header .menu-button{display:block;flex:none;visibility:visible}
}