/* DRIVHR flight study: restrained aerospace art direction and substantive copy. */
.header{background:#082421;color:#f5f7f3;border-bottom:1px solid #23302f;gap:24px}
.header .brand img{filter:brightness(0) invert(1)}
.desktop-nav{font-size:11px;gap:26px}
.header .desktop-nav a:after{background:#72e9d2}
.header .talk-button{background:transparent;border:1px solid #63716c;border-radius:2px;color:#f4f7f2}
.header .motion-button{border-color:#4b5c56}
.header .menu-toggle span{background:#eaf1ed}
.button{border-radius:2px}
.hero-v2{background:#082421;color:#f1f6f2;max-width:none;padding-top:30px;padding-bottom:24px}
.hero-grid{grid-template-columns:1fr 1.28fr;gap:28px;margin-top:20px;max-width:1640px;margin-left:auto;margin-right:auto}
.hero-v2 h1{font-weight:550;font-size:clamp(58px,7vw,112px);letter-spacing:-.055em}
.hero-v2 .flow-word{color:#66dfc9}
.hero-meta{color:#aebdb6;letter-spacing:.12em}
.hero-meta .status-dot{background:#6ce1cb}
.hero-lead{font-size:clamp(14px,1.15vw,17px);margin-bottom:14px;color:#f1f6f2}
.hero-explainer{max-width:380px;font-size:13px;line-height:1.8;color:#a8b8b0;margin-bottom:27px}
.hero-copy .button{background:#65e2c9;color:#102522;font-size:11px;text-transform:uppercase;letter-spacing:.055em;padding:17px 22px}
.hero-copy .button:hover{background:#75e6ce}
.hero-rail{border-color:#34443d;margin-top:24px;padding:22px 0}
.hero-rail>p,.hero-film-copy>span{color:#9fac9f}
.hero-rail>p strong{color:#dde8dd}
.hero-v2 .film-link .play-disc{border-color:#536a60;color:#d7e6de}
.hero-v2 .scroll-link{color:#8d9e94;letter-spacing:.16em}
.ticker{background:#111c1a;border-top:1px solid #293830;padding:20px 0}
.ticker-track{font-size:clamp(24px,3vw,45px);font-weight:450;letter-spacing:.025em}
.ticker i{font-size:32px}
.flight-scene{--flight-rise:96px;--flight-drift:34px;--wall-x:9%;position:relative}
.hero-v2 .flight-stage{aspect-ratio:1.52;overflow:visible;margin-bottom:3px}
.flight-stage .stage-glow{inset:4% -2% 6% -2%;background:radial-gradient(ellipse,#32d6b937,transparent 67%);transform:none}
.flight-field{position:absolute;inset:0;width:100%;height:100%;opacity:.35;transform:translateY(8%)}
.flight-wall{position:absolute;left:53%;top:4%;height:88%;width:2px;background:#83d6c1;opacity:0;transition:opacity .6s;box-shadow:-40px 0 80px 25px #307b6b18;z-index:0}
.flight-wall:before{content:"";position:absolute;right:0;top:0;bottom:0;width:180px;background:repeating-linear-gradient(0deg,transparent 0 43px,#79af9c22 44px 45px),linear-gradient(90deg,transparent,#172a2580);border-top:1px solid #5c8d7d55;border-bottom:1px solid #5c8d7d55}
.flight-wall:after{content:"";position:absolute;left:-16px;top:24%;height:50%;width:32px;border:1px solid #73efd0;border-radius:50%;filter:blur(3px);opacity:.3}
.flight-shadow{position:absolute;left:18%;top:81%;width:66%;height:8%;border-radius:50%;background:radial-gradient(ellipse,#72ccab38,transparent 68%);filter:blur(7px);animation:flight-shadow 5.5s ease-in-out 1.5s infinite;transition:opacity .6s}
.hero-v2 .flight-stage .roadster-float{inset:13% -3% auto;animation:flight-arrival 1.7s cubic-bezier(.15,.8,.25,1) both;z-index:2;transform-origin:50% 52%}
.flight-hover{position:relative;animation:flight-hover 5.5s ease-in-out 1.6s infinite;transform:translateY(-22px);transform-origin:50% 53%;transition:transform 1.3s cubic-bezier(.23,.8,.25,1)}
.hero-v2 .flight-stage .roadster-object{position:relative;z-index:2;filter:drop-shadow(0 0 9px #70e0cd0d)}
.thruster{position:absolute;z-index:1;top:74.7%;left:28.5%;width:9%;height:29%;transform:translateX(-50%);transform-origin:50% 0;clip-path:polygon(32% 0,68% 0,100% 100%,0 100%);background:linear-gradient(180deg,#f3ffefcf 0%,#78efcc88 15%,#45d7b82b 50%,transparent 100%);filter:blur(3px);opacity:.48;animation:thruster-idle 2s ease-in-out infinite}
.thruster-rear{left:74.1%;top:70.8%;height:25%;animation-delay:-.65s}
.flight-stage .scene-label{font-size:8px;right:4%;top:0;color:#9db5a9;letter-spacing:.16em}
.flight-caption{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:0 3% 0 7%;position:relative;z-index:4}
.flight-caption .scene-caption{padding:0;display:block;margin:0}
.flight-caption .scene-caption strong{font-size:19px;color:#e5eee7;font-weight:500}
.flight-caption .scene-caption>span{display:block;color:#7e9c8e;font-size:8px;letter-spacing:.035em;margin-top:5px}
.flight-buttons{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end}
.flight-trigger,.wall-trigger{border:1px solid #49675a;padding:10px 13px;border-radius:2px;display:flex;gap:15px;align-items:center;color:#d9eee0;font-size:9px;text-transform:uppercase;letter-spacing:.06em;transition:background .25s,border-color .25s;white-space:nowrap}
.flight-trigger:hover,.wall-trigger:hover{background:#19362b;border-color:#96e4c4}
.flight-trigger:disabled,.wall-trigger:disabled{opacity:.5;cursor:default}
.wall-trigger[aria-pressed="true"]{background:#81ecd2;color:#13271e;border-color:#81ecd2}
.flight-trigger>span:last-child{font-size:18px;line-height:1}
.flight-status{font-size:8px;letter-spacing:.025em;color:#78988a;padding:13px 3% 0 7%;min-height:25px}
.is-boosting .flight-hover{animation:flight-launch 4.2s cubic-bezier(.35,0,.2,1) both}
.is-boosting .thruster{animation:thruster-boost 4.2s ease-in-out both}
.is-boosting .flight-shadow{animation:shadow-launch 4.2s ease-in-out both}
.is-wall .flight-wall{opacity:1}
.is-wall .flight-hover{animation:wall-arrive 1.35s cubic-bezier(.23,.8,.25,1) both;transform:translate(var(--wall-x),-10%) rotate(90deg) scale(.52)}
.is-wall .thruster{animation:none;opacity:0}
.is-wall .flight-shadow{animation:none;opacity:0}
.is-wall .flight-field{opacity:.12}
@keyframes flight-arrival{from{opacity:0;transform:translate(45px,65px) rotate(-4deg)}to{opacity:1;transform:translate(0,0)}}
@keyframes flight-hover{0%,100%{transform:translate(0,-22px) rotate(-.6deg)}50%{transform:translate(-8px,-37px) rotate(.7deg)}}
@keyframes flight-shadow{0%,100%{transform:scaleX(1);opacity:.7}50%{transform:scaleX(.84);opacity:.4}}
@keyframes thruster-idle{0%,100%{opacity:.38;transform:translateX(-50%) scaleY(.85)}50%{opacity:.65;transform:translateX(-50%) scaleY(1.06)}}
@keyframes flight-launch{0%,100%{transform:translate(0,-22px) rotate(0)}20%{transform:translate(-10px,-50px) rotate(3deg)}46%{transform:translate(calc(-1*var(--flight-drift)),calc(-1*var(--flight-rise))) rotate(7deg) scale(.97)}73%{transform:translate(16px,-66px) rotate(-2deg)}}
@keyframes thruster-boost{0%,100%{opacity:.45;transform:translateX(-50%) scaleY(.9)}20%,55%{opacity:.95;transform:translateX(-50%) scale(1.18,1.55)}75%{opacity:.55;transform:translateX(-50%) scaleY(.7)}}
@keyframes shadow-launch{0%,100%{transform:scaleX(1);opacity:.7}45%{transform:scaleX(.58);opacity:.15}75%{transform:scaleX(.8);opacity:.4}}
.value-notes{display:grid;grid-template-columns:repeat(3,1fr);gap:45px;padding-top:43px}
.value-notes article>span{font-size:8px;letter-spacing:.1em;color:#568273}
.value-notes h3{font-size:22px;letter-spacing:-.03em;margin:15px 0}
.value-notes p{font-size:13px;line-height:1.8;color:#50645a;max-width:350px}
.chapter .chapter-result{font-size:12px;line-height:1.8;padding-top:12px;border-top:1px solid #143c2a22}
.chapter-result strong{display:block;margin-bottom:5px}
.approach{background:#64dcc3}
.scope-note{font-size:12px}
.journey{background:#082b27;color:#edf3ec;position:relative}
.journey>.section-label{color:#83a898}
.journey-grid{display:grid;grid-template-columns:.88fr 1.25fr;gap:90px;margin-top:72px;align-items:start}
.journey-intro{position:sticky;top:45px}
.journey-intro h2{font-size:clamp(37px,4.4vw,69px);font-weight:500;line-height:1.08}
.journey-intro h2 em{color:#54d6bc}
.journey-intro>p{color:#a2b4a7;font-size:13px;line-height:1.85;max-width:340px;margin:30px 0}
.journey-cta{border:1px solid #789d88;color:#cfe3d2;font-size:10px;background:transparent;gap:24px}
.journey-cta:hover{background:#234034}
.journey-steps{list-style:none;padding:0;margin:0}
.journey-steps li{display:grid;grid-template-columns:53px 1fr;gap:24px;border-top:1px solid #3c5548;padding:28px 0 31px}
.journey-steps li:last-child{border-bottom:1px solid #3c5548}
.step-no{font-size:31px;font-weight:400;line-height:1.1;color:#73a58a;letter-spacing:-.06em}
.journey-steps h3{font-size:22px;line-height:1.25;letter-spacing:-.035em;font-weight:500;margin-bottom:15px}
.journey-steps p{font-size:13px;line-height:1.85;color:#acbeb0}
.step-result{display:block;margin-top:18px;font-size:10px;line-height:1.6;color:#61dec6}
.human-detail{padding-bottom:20px}
.human-detail-intro{display:flex;justify-content:space-between;align-items:start;gap:40px}
.human-detail-intro>.section-label{max-width:180px;line-height:1.8;padding-top:8px}
.human-detail-intro h2{font-size:clamp(32px,4vw,60px);width:68%;font-weight:500}
.human-detail-intro h2 em{color:#559880}
.human-roles{display:grid;grid-template-columns:repeat(3,1fr);gap:48px;margin-top:50px}
.human-roles article{border-top:1px solid var(--line);padding-top:24px}
.role-tag{font-size:9px;letter-spacing:.12em;color:#397d65}
.human-roles h3{font-size:22px;line-height:1.25;letter-spacing:-.025em;margin:20px 0 16px;font-weight:550}
.human-roles p{font-size:13px;line-height:1.85;color:#4a6054}
.situations{background:#e8eee5}
.situations-heading{display:flex;justify-content:space-between;gap:55px;align-items:end;margin:55px 0 50px}
.situations-heading h2{font-size:clamp(37px,5vw,76px);font-weight:500}
.situations-heading h2 em{color:#4e977b}
.situations-heading p{font-size:13px;line-height:1.85;max-width:320px;color:#4e6859}
.situation-list article{display:grid;grid-template-columns:50px 1fr 1.35fr;gap:30px;border-top:1px solid #b7c8b8;padding:35px 0}
.situation-list article:last-child{border-bottom:1px solid #b7c8b8}
.situation-no{font-size:12px;letter-spacing:.05em;color:#4e8064;padding-top:6px}
.situation-list h3{font-size:clamp(22px,2.5vw,35px);line-height:1.17;letter-spacing:-.035em;font-weight:500}
.situation-list p{font-size:13px;line-height:1.85;color:#47604e;max-width:530px}
.situation-list strong{display:block;font-weight:550;font-size:11px;line-height:1.75;max-width:490px;margin-top:18px}
.clarity{padding-top:90px}
.faq-list summary{font-size:14px}
.faq-list p{font-size:13px;line-height:1.85}
.closing{background:#082b27;color:#edf3ec}
.closing .section-label{color:#93b39f}
.closing-copy{font-size:14px;line-height:1.85;max-width:520px;margin-top:35px;color:#a2bba8}
.closing-link em{color:#45dac3}
.closing-action{border-color:#42614c}
footer{background:#061d1b;color:#b2c8b6}
footer p{color:#91ab96}
footer .footer-brand img{filter:brightness(0) invert(1)}
.motion-off .flight-stage .roadster-float{animation:none;opacity:1;transform:none}
.motion-off .flight-hover{animation:none;transform:translateY(-22px)}
.motion-off .thruster{animation:none;opacity:.18}
.motion-off .flight-shadow{animation:none}
.motion-off .is-wall .flight-hover{transform:translate(var(--wall-x),-10%) rotate(90deg) scale(.52)}
@media(min-width:1500px){.flight-scene{--flight-rise:130px}.hero-explainer{font-size:15px;max-width:430px}.value-notes p,.journey-steps p,.human-roles p,.situation-list p{font-size:15px}}
@media(max-width:1100px){.desktop-nav{gap:17px;font-size:10px}.header{gap:17px}.hero-grid{gap:15px;grid-template-columns:1fr 1.2fr}.flight-caption{padding-left:4%;display:block}.flight-buttons{justify-content:flex-start;margin-top:18px}.flight-status{padding-left:4%}.flight-scene{--flight-rise:76px;--flight-drift:22px}.journey-grid{gap:48px}.value-notes,.human-roles{gap:28px}.journey-steps li{grid-template-columns:40px 1fr;gap:18px}.situation-list article{grid-template-columns:35px 1fr 1.4fr;gap:20px}.hero-explainer{font-size:12px}.hero-copy .button{font-size:10px}.scene-caption strong{font-size:19px}}
@media(max-width:850px) and (min-width:721px){.desktop-nav{gap:14px}.desktop-nav a:last-child{display:none}.hero-v2 h1{font-size:7.2vw}.flight-trigger,.wall-trigger{font-size:8px;padding:8px 11px}.hero-explainer{font-size:11px;max-width:290px}}
@media(max-width:720px){
 .hero-v2{padding-top:26px}.hero-grid{display:flex;gap:0;margin-top:27px}.hero-v2 h1{font-size:clamp(48px,10.6vw,76px);margin-bottom:22px;letter-spacing:-.052em;font-weight:550}
 .hero-lead{font-size:13px;line-height:1.7;margin-bottom:12px}.hero-explainer{font-size:12px;line-height:1.8;max-width:410px;margin-bottom:23px}.hero-copy .button{font-size:10px;padding:15px 18px}
 .flight-scene{margin-top:42px;--flight-rise:66px;--flight-drift:17px;--wall-x:9%}
 .hero-v2 .flight-stage{width:calc(100% + 12px);margin-left:-6px;aspect-ratio:1.42;margin-bottom:10px}
 .hero-v2 .flight-stage .roadster-float{inset:16% -2% auto}
 .flight-stage .scene-label{font-size:6px;right:3%;top:0}.flight-shadow{top:80%}.flight-caption{display:flex;align-items:start;padding:0;gap:15px}
 .flight-caption .scene-caption strong{font-size:17px;line-height:1.25;display:block}.flight-caption .scene-caption>span{font-size:7px;line-height:1.5;white-space:normal}
 .flight-buttons{margin-top:0;gap:7px;justify-content:flex-end;min-width:105px;flex-direction:column}
 .flight-trigger,.wall-trigger{padding:8px 11px;font-size:8px;justify-content:space-between;min-width:105px;min-height:34px}
 .flight-status{padding:12px 0 0;font-size:7px;min-height:25px}.flight-field{opacity:.4}.flight-wall:before{width:95px}
 .hero-rail{margin-top:21px}.hero-film-copy strong{font-weight:500}.hero-rail>p{display:none}.ticker{padding:21px 0}.ticker i{font-size:26px}.ticker-track{font-size:25px}
 .value-notes{grid-template-columns:1fr;gap:27px;padding-top:32px}.value-notes article{padding-bottom:25px;border-bottom:1px solid var(--line)}.value-notes article:last-child{border:0;padding-bottom:0}.value-notes h3{font-size:22px;margin:12px 0}.value-notes p{font-size:13px;max-width:none}
 .scope-note{font-size:11px;line-height:1.8}.chapter .chapter-result{font-size:12px}
 .journey-grid{display:block;margin-top:35px}.journey-intro{position:static}.journey-intro h2{font-size:clamp(37px,8.5vw,59px)}.journey-intro h2 br:nth-child(2){display:none}.journey-intro>p{max-width:none;font-size:13px;margin:24px 0}.journey-cta{font-size:10px}
 .journey-steps{margin-top:42px}.journey-steps li{grid-template-columns:35px 1fr;gap:18px;padding:25px 0}.step-no{font-size:25px}.journey-steps h3{font-size:22px}.journey-steps p{font-size:13px}.step-result{font-size:10px}
 .human-detail{padding-bottom:5px}.human-detail-intro{display:block}.human-detail-intro>.section-label{max-width:none;font-size:8px}.human-detail-intro h2{font-size:clamp(32px,7.6vw,52px);width:100%;margin-top:25px}.human-roles{grid-template-columns:1fr;gap:30px;margin-top:33px}.human-roles h3{font-size:22px;margin:12px 0}.human-roles p{font-size:13px}
 .situations-heading{display:block;margin:32px 0}.situations-heading h2{font-size:clamp(38px,9vw,61px)}.situations-heading p{font-size:12px;margin-top:23px;max-width:none}.situation-list article{grid-template-columns:26px 1fr;gap:14px;padding:27px 0}.situation-list h3{font-size:26px}.situation-list article>div{grid-column:2}.situation-list p{font-size:13px}.situation-list strong{font-size:11px}
 .clarity{padding-top:60px}.faq-list summary{font-size:13px;line-height:1.65}.faq-list p{font-size:13px;padding-right:8px}.closing-copy{font-size:13px;margin-top:25px}.closing-link{margin-top:36px}
}
@media(max-width:380px){.hero-v2 h1{font-size:10.7vw}.hero-explainer{font-size:11px}.flight-caption .scene-caption strong{font-size:15px}.flight-scene{--flight-rise:53px;--flight-drift:12px}.flight-trigger,.wall-trigger{font-size:7px;min-width:98px;padding:8px 10px}.flight-buttons{min-width:98px}.journey-steps li{grid-template-columns:27px 1fr;gap:13px}.journey-steps h3{font-size:20px}.situation-list h3{font-size:24px}}
@media(prefers-reduced-motion:reduce){.flight-stage .roadster-float{animation:none;opacity:1;transform:none}.flight-hover{animation:none;transform:translateY(-22px)}.thruster{animation:none;opacity:.18}.flight-shadow{animation:none}.is-wall .flight-hover{transform:translate(var(--wall-x),-10%) rotate(90deg) scale(.52)}}

@keyframes wall-arrive{from{transform:translate(0,-22px) rotate(0) scale(1)}to{transform:translate(var(--wall-x),-10%) rotate(90deg) scale(.52)}}

:root{--lime:#82efd7}
.hero-v2{background:radial-gradient(ellipse at 76% 36%,#0c3e36 0%,#082722 37%,#071f1d 74%)}
.header{border-bottom-color:#275047}.hero-rail{border-color:#335b4e}