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.hero-assurance{display:flex;flex-wrap:wrap;gap:8px 18px;margin-top:21px;color:var(--muted);font-size:11px;line-height:1.6}
.hero-assurance span{display:flex;gap:8px;align-items:center}
.hero-assurance span:before{content:'';width:3px;height:3px;background:var(--signal);transform:rotate(45deg)}
.context-list,.work-cycle{max-width:470px;margin-top:31px}
.context-list>div{padding:18px 0}
.context-list>div>span,.work-cycle h3{font-size:16px}
.context-list p,.work-cycle p,.boundary-list p{font-size:13px;line-height:1.75;max-width:425px}
.work-cycle p{max-width:395px}
.boundary-list b{font-size:16px;line-height:1.9}
.boundary-list{gap:23px;max-width:470px}
.application-line{font-size:12px;line-height:1.8;color:var(--muted);margin-top:22px;max-width:410px}
.operating-steps{max-width:480px;margin-top:31px}
.operating-steps summary{padding:19px 0}
.operating-steps p{font-size:14px;padding:0 16px 16px 36px}
.phase-output{margin:0 16px 24px 36px;padding-left:14px;border-left:2px solid var(--signal)}
.phase-output span{display:block;font-size:10px;color:var(--muted);margin-bottom:6px}
.phase-output b{font-size:13px;font-weight:500;line-height:1.65;display:block}
.conversation{padding-top:125px;padding-bottom:120px}
.conversation .intro{max-width:480px}
.conversation-note{font-size:12px;max-width:390px}
.fit-block{margin-top:44px;max-width:480px;border-top:1px solid var(--line);padding-top:24px}
.fit-block h3,.buying-questions h3{font-size:14px;font-weight:500;letter-spacing:-.015em}
.fit-block ul{padding:0;margin:19px 0 0;list-style:none;display:grid;gap:13px}
.fit-block li{position:relative;padding-left:18px;font-size:13px;line-height:1.7;color:var(--muted)}
.fit-block li:before{content:'';position:absolute;left:1px;top:8px;width:5px;height:5px;background:var(--signal);transform:rotate(45deg)}
.buying-questions{max-width:480px;margin-top:42px}
.buying-questions h3{margin-bottom:18px}
.buying-questions details{border-top:1px solid var(--line)}
.buying-questions details:last-child{border-bottom:1px solid var(--line)}
.buying-questions summary{font-size:13px;line-height:1.6;display:flex;gap:20px;justify-content:space-between;align-items:center;padding:18px 0}
.buying-questions summary>span{font-size:20px;font-weight:400;flex-shrink:0;color:var(--muted)}
.buying-questions p{font-size:13px;line-height:1.8;color:var(--muted);padding:0 25px 22px 0}
.founder-note{margin-top:42px;max-width:480px}
.scene-labels{display:none}
.scene-caption{bottom:115px;left:14%;right:9%;align-items:flex-end}
.scene-explanation{max-width:345px}
.scene-explanation>span{font-size:13px;color:var(--ink);line-height:1.5;font-weight:500;letter-spacing:-.01em}
.scene-explanation>p{font-size:11px;color:var(--muted);line-height:1.7;margin-top:5px;max-width:315px}
.scene-caption button{padding-bottom:1px;font-size:10px;flex-shrink:0}
.chapter-rail{left:14%;right:9%;bottom:47px}
.chapter-rail a{width:32px;height:32px}
@media(min-width:1700px){h2{font-size:64px}.chapter-copy{max-width:600px}.intro{font-size:23px}.body-copy{font-size:17px}.context-list p,.work-cycle p,.boundary-list p{font-size:14px}}
@media(max-width:1150px) and (min-width:701px){h2{font-size:4.15vw}.intro{font-size:19px}.body-copy{font-size:14px}.chapter-copy{width:calc(46vw - 32px)}.hero-fit{max-width:340px}.context-list>div>span,.work-cycle h3,.boundary-list b{font-size:15px}.scene-caption{gap:14px;left:11%;right:8%}.scene-explanation>span{font-size:12px}.scene-explanation>p{font-size:10px}.scene-caption button{font-size:0;gap:0}.scene-caption button span{font-size:20px}.chapter-rail{left:11%;right:8%;gap:8px}.chapter-rail a{width:26px}.nav-inner nav{gap:19px}.nav-contact{white-space:nowrap}}
@media(max-width:850px) and (min-width:701px){.chapter-copy{width:calc(48vw - 30px)}h2{font-size:4.65vw}.intro{font-size:18px}.body-copy{font-size:14px}.hero-fit{max-width:310px}.hero-assurance{font-size:10px;gap:8px 14px}.scene-explanation{max-width:235px}.scene-caption{left:10%;right:8%}.phase-output{margin-left:35px}.operating-steps p{font-size:13px}.buying-questions summary{font-size:12px}.fit-block li,.buying-questions p{font-size:13px}}
@media(max-width:700px){
.chapter-copy,.hero .chapter-copy{width:calc(100% - 40px);max-width:none}
.chapter,.hero,.coordination,.conversation{min-height:calc(100svh + 30px);padding:107px 0 calc(var(--stage-height) + 82px)}
.hero{padding-top:113px;min-height:100svh;padding-bottom:calc(var(--stage-height) + 62px)}
h1{font-size:clamp(37px,11.8vw,76px)}h2{font-size:clamp(31px,8.8vw,54px);line-height:1.12;letter-spacing:-.045em}
.eyebrow{font-size:10px;line-height:1.8;margin-bottom:23px}
.intro,.hero .intro{font-size:18px;line-height:1.55;margin-top:24px;max-width:500px}
.body-copy,.hero .body-copy{font-size:14px;line-height:1.8;margin-top:18px;max-width:500px}
.hero-actions{gap:12px 17px;margin-top:25px;display:flex}
.hero-actions .button{font-size:11px;padding:13px 15px;gap:13px}
.hero-actions .text-link{margin-top:0;font-size:11px}
.hero-fit{font-size:12px;line-height:1.7;max-width:330px;margin-top:26px}
.hero-assurance{font-size:10px;gap:8px 15px;margin-top:18px}
.context-list,.work-cycle{max-width:none;margin-top:28px}
.context-list>div>span,.work-cycle h3,.boundary-list b{font-size:15px}
.context-list p,.work-cycle p,.boundary-list p{font-size:13px;line-height:1.75;max-width:500px}
.boundary-list{gap:21px;max-width:500px}
.application-line{font-size:12px;margin-top:23px}
.operating-steps{max-width:none;margin-top:28px}.operating-steps p{font-size:14px;padding-right:6px;line-height:1.8}
.phase-output{margin-right:6px}.phase-output b{font-size:13px}
.conversation .intro{max-width:500px}.conversation-note{font-size:12px;line-height:1.75}
.fit-block{margin-top:34px;max-width:none}.fit-block li{font-size:13px}
.buying-questions{margin-top:34px;max-width:none}.buying-questions summary{font-size:13px;padding:18px 0;gap:15px}
.buying-questions p{font-size:13px;padding-right:10px}.founder-note{margin-top:33px;max-width:none}
.scene-caption{left:20px;right:20px;bottom:56px}
.scene-explanation{max-width:none}.scene-explanation>span{font-size:10px;line-height:1.4}.scene-explanation>p{font-size:9px;line-height:1.5;margin-top:3px;max-width:none}
.chapter-rail{left:20px;right:20px;bottom:8px;gap:12px;padding-top:4px}
.chapter-rail>div{justify-content:space-between;flex:1;max-width:245px;gap:1px}
.chapter-rail a{width:32px;height:32px}.rail-label{display:none}
#scene{inset:0 0 93px}
}
@media(max-width:360px){.hero-assurance{gap:8px 10px;font-size:9px}.chapter-rail{gap:8px}.chapter-rail a{width:29px}.scene-explanation>p{font-size:8px}.buying-questions summary{font-size:12px}h2{font-size:8.8vw}}
@media(max-height:650px) and (min-width:701px){.scene-caption{bottom:82px}.chapter-rail{bottom:23px}#scene{inset:90px 0 160px}}
/* Production controls. */
.honeypot{display:none!important}
.form-error{font-size:13px;line-height:1.65;color:var(--ink);padding:13px 15px;border-left:2px solid var(--signal);background:var(--subtle)}
.button:disabled{cursor:wait;opacity:.65}
#done-contact{margin-top:25px}
.footer>a{font-size:11px;color:var(--muted)}
@media(max-width:700px){.footer{grid-template-columns:1fr 1fr}.footer>a:last-child{grid-column:1 / -1;text-align:left}}
@media(max-width:1150px) and (min-width:701px){.nav-inner nav{gap:20px}}

/* Mobile content has its own layout; desktop composition is retained. */
.mobile-only{display:none}