:root{--ink:#111214;--paper:#f4f6f8;--white:#fff;--cream:#faf9f5;--riot-black:#151719;--amber:#ff6600;--amber-deep:#d84f00;--coral:#ff6600;--line:rgba(17,18,20,.14)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:var(--paper);font-family:Arial,Helvetica,sans-serif}img{display:block;max-width:100%}.shell{width:min(100% - 56px,1180px);margin:0 auto}
.site-header{position:sticky;top:0;z-index:50;background:rgba(250,249,245,.97);border-bottom:1px solid var(--line);backdrop-filter:blur(8px)}.mast{min-height:110px;display:flex;align-items:center;justify-content:space-between;gap:28px}.brand{display:flex;align-items:flex-end;gap:14px;text-decoration:none;color:var(--ink)}.brand img{width:230px;height:36px;object-fit:contain;object-position:left center}.brand span{font-size:18px;font-weight:900;letter-spacing:.16em;padding-bottom:11px;color:var(--amber-deep)}.nav{display:flex;align-items:center;gap:24px}.nav a{text-decoration:none;color:var(--ink);font-size:12px;font-weight:800}.nav-cta{background:var(--amber);color:#fff!important;padding:11px 15px;border-radius:2px}.menu-toggle{display:none;background:#fff;border:1px solid var(--line);padding:9px 13px;font-weight:700}
.hero{background:var(--cream);padding:58px 0 0}.hero-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:72px;align-items:center;padding-bottom:60px}.eyebrow{margin:0 0 24px;font-size:10px;letter-spacing:.17em;font-weight:900;text-transform:uppercase}.hero h1,.split h2,.final h2{font-size:clamp(56px,7vw,94px);line-height:.82;letter-spacing:-.055em;margin:0;font-weight:900}.hero .eyebrow{font-size:14px;letter-spacing:.24em;margin-bottom:18px}.hero h1 .live-word{display:inline-block;color:var(--amber-deep);font-style:normal;font-weight:900}.hero-copy .lead,.intro{font-family:Georgia,'Times New Roman',serif;font-size:21px;line-height:1.42}.hero-copy p:not(.eyebrow){font-size:17px;line-height:1.55;max-width:610px}.button-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}.btn{display:inline-flex;align-items:center;justify-content:center;text-decoration:none;padding:12px 18px;font-size:12px;font-weight:900;border:1px solid transparent}.btn.dark{background:#111;color:#fff}.btn.outline{border-color:#111;color:#111;background:transparent}.btn.light{background:#fff;color:#111}.light-outline{border-color:#fff;color:#fff}.powered{display:inline-flex;align-items:center;gap:10px;margin-top:24px;text-decoration:none;color:inherit;font-size:11px}.powered img{width:72px;height:auto}.hero-card{background:#fff;border:1px solid var(--line);padding:16px;box-shadow:0 18px 50px rgba(0,0,0,.08)}.live-label{display:inline-flex;align-items:center;font-size:10px;font-weight:900;letter-spacing:.1em;margin-bottom:13px}.live-label i{width:8px;height:8px;border-radius:50%;background:var(--coral);margin-right:6px}.paper{background:var(--paper);min-height:310px;padding:32px 36px;box-shadow:0 4px 14px rgba(0,0,0,.08);font-family:Georgia,'Times New Roman',serif;font-size:19px;line-height:1.72}.paper-top{font-family:Arial,Helvetica,sans-serif;display:flex;justify-content:space-between;font-size:9px;color:#777;margin-bottom:32px}.typing:after,.typing-alt:after{content:'|';animation:blink 1s steps(1) infinite}@keyframes blink{50%{opacity:0}}.comments{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:10px}.comments div{background:#eaf3f8;padding:10px;font-size:10px;line-height:1.35}.comments b{display:block;margin-bottom:4px}.comments .author{background:var(--riot-black);color:#fff}.ticker{overflow:hidden;border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--amber);padding:13px 0;white-space:nowrap}.ticker span{display:inline-block;font-size:10px;font-weight:900;letter-spacing:.13em;animation:move 24s linear infinite}@keyframes move{to{transform:translateX(-40%)}}
.section{padding:78px 0}.pale{background:var(--paper)}.white{background:#fff}.riot-black{background:var(--riot-black);color:#fff}.amber{background:linear-gradient(180deg,#ff7a1a 0%, #ff6600 100%);color:#fff}.split{display:grid;grid-template-columns:.34fr 1fr;gap:40px}.split>div:last-child{max-width:690px;margin-left:auto;width:100%}.split h2{font-size:clamp(48px,6vw,80px)}.split .intro{margin:24px 0 0;max-width:620px}.light-text{color:#b9d8ea}.cards{display:grid;gap:12px;margin-top:44px}.cards.four{grid-template-columns:repeat(4,1fr)}.cards article{background:#fff;border:1px solid var(--line);padding:25px;min-height:205px}.cards small{font-size:9px;font-weight:900;letter-spacing:.16em;color:#747474}.cards h3,.benefits h3,.technology-panel h3,.story-card h3,.steps h3,.model-grid h3,.twin-panels h3{font-size:23px;line-height:1.04;letter-spacing:-.03em;margin:28px 0 10px}.cards p,.benefits p,.technology-panel p,.story-card p,.steps p,.note p,.model-grid li,.twin-panels li,.twin-panels p{font-size:13px;line-height:1.48;margin:0}.twin-panels{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:44px}.large{min-height:250px;padding:26px}.cream-card{background:var(--cream);color:#111;border:1px solid rgba(255,255,255,.14)}.dark-card{background:#222;color:#fff;border:1px solid rgba(255,255,255,.12)}.dark-card .btn{margin-top:18px}.mini-kicker{font-size:9px;font-weight:900;letter-spacing:.16em;color:#8bc2df;text-transform:uppercase;margin:0}.twin-panels ul,.model-grid ul{margin:20px 0 0;padding-left:18px;display:grid;gap:10px}
.reader-grid{display:grid;grid-template-columns:1.25fr 1fr 1fr;gap:14px;margin-top:44px}.story-card{border:1px solid var(--line);background:#fff;padding:14px}.story-art{height:180px;margin-bottom:16px}.feature .story-art{height:240px}.yellow-art{background:linear-gradient(145deg,#dcecf5,#0b5d8d 52%,#151515)}.coral-art{background:linear-gradient(145deg,#d9ecf6,#7eb8d6 45%,#253845)}.ink-art{background:linear-gradient(150deg,#171717,#4c6270 60%,#8bc2df)}.meta{font-size:9px!important;letter-spacing:.14em;font-weight:900;color:var(--amber-deep);text-transform:uppercase}.story-card h3{margin:8px 0 8px}.statement{font-size:clamp(30px,4.4vw,53px);line-height:.98;letter-spacing:-.045em;font-weight:900;text-transform:uppercase;margin-top:58px;max-width:1050px}.statement em{font-family:Georgia,'Times New Roman',serif;text-transform:none;font-weight:700;color:var(--amber-deep)}
.compact{padding-bottom:18px}.model-section{padding-bottom:64px}.model-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:36px}.model-grid article{background:#fff;border:1px solid var(--line);padding:28px}.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:42px}.steps.three-col{grid-template-columns:repeat(3,1fr)}.steps article{background:#fff;padding:25px;min-height:185px}.steps b{font-size:10px;color:#777}.steps h3{font-size:34px;margin-top:34px}.note{margin-top:22px;border-left:3px solid #111;padding-left:18px;max-width:930px}.note p{font-family:Georgia,'Times New Roman',serif;font-size:17px;line-height:1.55}.technology-panel{display:grid;grid-template-columns:.8fr 1.2fr;gap:36px;align-items:center;margin-top:28px}.technology-panel>.btn{margin-top:18px}.tech-ui{background:#111;color:#fff;border-radius:12px;box-shadow:0 18px 50px rgba(0,0,0,.12);overflow:hidden}.tech-top{display:grid;grid-template-columns:auto 1fr auto;gap:12px;align-items:center;padding:10px 14px;background:#1e1e1e;font-size:10px;font-weight:800;letter-spacing:.1em;text-transform:uppercase}.tech-top span:first-child{display:inline-flex;align-items:center;gap:6px}.tech-top span:first-child:before{content:'';width:8px;height:8px;background:var(--coral);border-radius:50%;display:inline-block}.tech-body{display:grid;grid-template-columns:1fr 250px;gap:0}.doc-surface{background:#fff;padding:28px;min-height:300px;color:#111;font-family:Georgia,'Times New Roman',serif;font-size:19px;line-height:1.7}.chat-pane{padding:20px;background:#151515;display:grid;gap:10px;align-content:start}.chat-pane div{padding:12px;background:#242424;font-size:11px;line-height:1.45}.chat-pane b{display:block;margin-bottom:4px}.chat-pane .author{background:#ff6600;color:#fff}
.faq-list{margin-top:16px}.faq-list details{border-top:1px solid var(--line)}.faq-list details:last-child{border-bottom:1px solid var(--line)}.faq-list summary{cursor:pointer;list-style:none;padding:19px 0;font-size:14px;font-weight:800;display:flex;justify-content:space-between;gap:20px}.faq-list summary::-webkit-details-marker{display:none}.faq-list summary:after{content:'+';font-size:19px;color:var(--amber-deep)}.faq-list details[open] summary:after{content:'−'}.faq-list details p{font-size:14px;line-height:1.55;margin:0 0 20px;max-width:600px}
.final{background:#111;color:#fff;padding:68px 0 30px}.final-grid{display:grid;grid-template-columns:1fr .55fr;gap:70px;align-items:end}.final h2{font-size:clamp(48px,6vw,80px)}.final-actions{display:flex;flex-direction:column;align-items:flex-start;gap:12px}.footer-row{border-top:1px solid rgba(255,255,255,.16);margin-top:48px;padding-top:22px;display:flex;align-items:center;gap:24px}.footer-row p{font-size:10px;color:#cacaca;max-width:560px}.footer-brand{background:#fff;padding:6px 9px;display:block}.footer-brand img{width:230px;height:36px;object-fit:contain;object-position:left center}
@media(max-width:920px){.mast{min-height:100px}.brand img{width:205px;height:32px}.brand span{padding-bottom:10px}.menu-toggle{display:block}.nav{display:none;position:absolute;left:0;right:0;top:100px;background:#fff;padding:20px 28px;border-bottom:1px solid var(--line);flex-direction:column;align-items:flex-start}.nav.open{display:flex}.hero-grid,.split,.technology-panel,.final-grid,.twin-panels,.model-grid{grid-template-columns:1fr;gap:30px}.split>div:last-child{max-width:none;margin-left:0}.cards.four,.steps,.steps.three-col{grid-template-columns:1fr 1fr}.reader-grid{grid-template-columns:1fr 1fr}.reader-grid .feature{grid-column:1/-1}.comments,.tech-body{grid-template-columns:1fr}.hero h1{font-size:clamp(62px,12vw,92px)}}
@media(max-width:600px){.shell{width:min(100% - 28px,520px)}.brand img{width:175px;height:27px}.brand span{font-size:14px;padding-bottom:7px}.hero{padding-top:38px}.hero-grid{padding-bottom:42px}.hero h1,.split h2,.final h2{font-size:clamp(48px,14vw,72px)}.hero-copy .lead,.intro{font-size:18px}.section{padding:58px 0}.cards.four,.reader-grid,.steps,.steps.three-col,.model-grid,.twin-panels{grid-template-columns:1fr}.reader-grid .feature{grid-column:auto}.paper{padding:24px;font-size:16px;min-height:270px}.button-row .btn,.final-actions .btn{width:100%}.statement{font-size:34px}.footer-row{flex-direction:column;align-items:flex-start}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.ticker span,.typing:after,.typing-alt:after{animation:none}}
/* Final visual refinements */
.icon-art{position:relative;display:grid;place-items:center;overflow:hidden}
.icon-art::before{content:"";position:absolute;inset:0;opacity:.28;background-image:radial-gradient(circle at 18% 22%,rgba(255,255,255,.75) 0 1px,transparent 1.5px),radial-gradient(circle at 76% 68%,rgba(17,17,17,.26) 0 1px,transparent 1.5px);background-size:18px 18px,24px 24px}
.icon-art::after{content:"";position:absolute;inset:18px;border:1px solid rgba(17,17,17,.16);transform:rotate(-2deg)}
.icon-art img{position:relative;z-index:2;width:86px;height:86px;filter:none}
.feature .icon-art img{width:104px;height:104px}
.draft-scratch{margin-bottom:4px!important;color:#777;font-size:.86em!important;line-height:1.4!important}
.draft-scratch del{text-decoration-thickness:1.5px;text-decoration-color:#d34b35}
.edit-note{font-family:Arial,Helvetica,sans-serif;font-size:10px;text-transform:uppercase;letter-spacing:.1em;color:#d34b35;margin-left:8px;font-weight:800}
.statement span{font-style:normal}

/* Penguin Random House specific refinements */
.amber .eyebrow,.amber .intro,.amber .steps p,.amber .steps h3,.amber .steps b,.amber .note p{color:#fff}.amber .steps article{background:rgba(255,255,255,.96);color:#111}.amber .steps article p,.amber .steps article h3,.amber .steps article b{color:#111}.amber .note{border-left-color:#fff}.brand{min-width:310px}.brand img{flex:0 0 auto}.brand span{flex:0 0 auto}
@media(max-width:600px){.brand{min-width:0}.brand span{font-size:12px}.footer-brand img{width:210px;height:34px}}

/* Penguin Random House refinements */
.site-header{border-top:7px solid #49a9e8}
.brand img{width:175px;height:52px;object-fit:contain;object-position:left center}
.footer-brand img{width:175px;height:52px;object-fit:contain;object-position:left center}
.brand{min-width:260px}
.hero h1 .live-word{color:#ff6600}
.ticker{color:#fff}
.light-text{color:#ffd2b5}
.yellow-art{background:linear-gradient(145deg,#e8f5fb,#49a9e8 52%,#17232b)}
.coral-art{background:linear-gradient(145deg,#fff0e6,#ff8a3d 45%,#492719)}
.ink-art{background:linear-gradient(150deg,#171717,#434343 60%,#ff6600)}
@media(max-width:600px){
  .brand img{width:145px;height:44px}
  .footer-brand img{width:150px;height:46px}
}