:root{color-scheme:dark;--bg:#0b0d0e;--paper:#eeece5;--muted:#b5b6b2;--line:#eeeeea26;--display:"Jost",sans-serif;--body:"IBM Plex Sans",sans-serif;background:var(--bg);color:var(--paper);font:400 17px/1.75 var(--body);font-synthesis:none}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:80px}body{margin:0}a{color:inherit}img,video{max-width:100%;display:block}figure,blockquote{margin:0}h1,h2,h3,p{margin:0}p+p{margin-top:1.2em}h1,h2,h3{font-family:var(--display);font-weight:300;text-wrap:balance}h1,h2{text-transform:uppercase;letter-spacing:.055em}h1{font-size:clamp(42px,4.6vw,72px);line-height:1.2}h2{font-size:clamp(30px,3.4vw,52px);line-height:1.3}h3{font-size:30px;line-height:1.35}a:focus-visible,video:focus-visible{outline:2px solid #e8dcc4;outline-offset:6px}::selection{background:#dbc39a;color:#111}.skip{position:fixed;top:-100px;left:20px;z-index:100;background:#eee;color:#111;padding:12px}.skip:focus{top:12px}
.masthead{position:fixed;top:0;left:0;right:0;z-index:30;padding:25px 4vw;display:flex;justify-content:space-between;align-items:center;background:linear-gradient(#07090be6,transparent);font:400 11px/1.4 var(--body);letter-spacing:.16em;text-transform:uppercase;transition:background .3s}.masthead.scrolled{background:#0b0d0ef2;backdrop-filter:blur(10px)}.masthead a{text-decoration:none;padding:10px 0}.header-contact span{margin-left:18px;font-size:20px}
.chapter-nav{position:fixed;z-index:25;top:50%;left:25px;transform:translateY(-50%);display:grid;gap:13px}.chapter-nav a{display:flex;gap:15px;align-items:center;width:36px;font-size:11px;text-decoration:none;color:#aaa;border-bottom:1px solid #ffffff45;padding:9px 0;transition:width .3s,color .3s}.chapter-nav span{display:none;font-size:9px;letter-spacing:.15em;text-transform:uppercase;white-space:nowrap}.chapter-nav a[aria-current]{width:120px;color:#fff;border-color:#ddd}.chapter-nav a[aria-current] span{display:block}.chapter-nav a:focus-visible span{display:block}
.hero{min-height:780px;min-height:max(780px,100svh);position:relative;isolation:isolate;display:flex;align-items:center;overflow:hidden}.hero-image,.hero-shade,.texture{position:absolute;inset:0;width:100%;height:100%;z-index:-3}.hero-image{object-fit:cover;object-position:30% 50%}.hero-shade{z-index:-2;background:linear-gradient(90deg,#0b0d0e12 5%,#0b0d0e50 35%,#0b0d0ef2 70%,#0b0d0e),linear-gradient(0deg,#0b0d0e,transparent 25%)}.texture{z-index:-1;pointer-events:none;background:url('/assets/diagonal-screen.svg') repeat 0 0/4px 4px;opacity:.17}.hero-content{width:48%;margin:115px 5% 95px auto;max-width:680px}.eyebrow{text-transform:uppercase;font-size:10px;letter-spacing:.25em;color:#b9b9b2;line-height:1.6;margin-bottom:30px}.hero h1{margin-bottom:26px}.lead{font-size:clamp(19px,1.6vw,25px);font-style:italic;line-height:1.65;color:#deddd6;text-wrap:pretty}.hero-detail{max-width:40ch;font-size:15px;color:var(--muted)}.signature{width:min(380px,100%);height:auto;mix-blend-mode:screen;filter:grayscale(1) contrast(1.2);margin:28px 0 18px}.text-link{display:inline-flex;gap:30px;align-items:center;padding:12px 0 14px;border-bottom:1px solid #c9c5ba;text-decoration:none;text-transform:uppercase;letter-spacing:.11em;font-size:11px;line-height:1.7;transition:color .25s,gap .25s}.text-link:hover{color:#d4b581;gap:36px}.text-link span{font-size:24px;font-weight:300}.hero-caption{position:absolute;bottom:26px;left:4vw;font-size:9px;letter-spacing:.2em;text-transform:uppercase;color:#bfbdb7}
.section{padding:115px 5vw 110px 15vw;border-top:1px solid var(--line);scroll-margin-top:0}.section-inner{max-width:1280px;margin:auto}.intro-grid{display:grid;grid-template-columns:1fr 1fr;gap:7%;margin-bottom:55px}.intro-grid p:not(.lead){font-size:16px;color:var(--muted)}.intro-grid .lead{margin-bottom:24px}.feature-video video{width:100%;aspect-ratio:16/9;background:#030405}.feature-video figcaption,figcaption{font-size:10px;letter-spacing:.12em;color:#adada8;text-transform:uppercase;margin-top:15px;line-height:1.7}.feature-video figcaption{display:flex;justify-content:space-between;gap:20px}
.section-context{background:#111416}.story-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:7%;align-items:start;margin-top:55px}.story-photo img{width:100%;height:auto;max-height:650px;object-fit:cover;object-position:50% 40%;filter:saturate(.8)}.story-copy h3{font-size:clamp(28px,2.8vw,42px);margin-bottom:22px}.story-copy>p:not(.lead){color:var(--muted);font-size:16px}.story-next{border-top:1px solid var(--line);padding-top:30px;margin-top:36px;display:grid;grid-template-columns:100px 1fr;gap:25px;align-items:start}.story-next img{width:100%;height:auto;aspect-ratio:9/16;object-fit:cover}.story-next .eyebrow{font-size:8px;display:block;margin-bottom:12px}.story-next h3{font-size:23px;margin-bottom:14px}.story-next p{font-size:14px;color:var(--muted)}
.learning-grid{display:grid;grid-template-columns:1fr 1fr;gap:5%;max-width:860px;margin:20px auto 0}.learning-grid video{width:100%;aspect-ratio:9/16;max-height:570px;background:#050606;object-fit:contain}.learning-grid figcaption{display:grid;gap:3px}.learning-grid figcaption span:first-child{color:#e3dfd5}.testimonial-section{background:radial-gradient(ellipse at 80% 40%,#24262a 0%,#0e1012 60%)}.testimonial-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:10%;align-items:center}.testimonial-grid blockquote{font-size:clamp(22px,2.3vw,35px);font-style:italic;line-height:1.6;margin:40px 0 25px;max-width:27ch}.attribution{font-family:var(--display);font-size:19px;letter-spacing:.06em}.attribution span{display:block;font:12px var(--body);margin-top:8px;color:#b1b2b0;letter-spacing:0}.testimonial-note{font-size:14px;color:#aaa;max-width:38ch;margin-top:27px}.portrait-video{width:100%;max-width:350px;margin:auto}.portrait-video video{width:100%;aspect-ratio:9/16;object-fit:contain;background:#000}
.formats-intro{max-width:58ch;margin:30px 0 60px}.formats{display:grid;grid-template-columns:repeat(3,1fr)}.formats article{padding:0 30px;border-left:1px solid var(--line);display:flex;flex-direction:column;align-items:flex-start}.formats article:first-child{padding-left:0;border-left:0}.formats article:last-child{padding-right:0}.format-number{font:300 58px var(--display);color:#aaa599;margin-bottom:28px}.formats .eyebrow{font-size:9px;margin-bottom:12px}.formats h3{font-size:33px;margin-bottom:24px}.formats p:not(.eyebrow){font-size:15px;color:#bcbdba}.formats .format-detail{border-top:1px solid var(--line);padding-top:22px;margin:25px 0 30px;font-size:14px!important}.formats .text-link{margin-top:auto;font-size:9px;gap:14px}
.contact-section{position:relative;isolation:isolate;overflow:hidden;min-height:780px;display:flex;align-items:center}.contact-image{position:absolute;right:0;top:0;width:48%;height:100%;object-fit:cover;object-position:center;z-index:-2}.contact-section:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,#0b0d0e 42%,#0b0d0eaa 65%,#0b0d0e33);z-index:-1}.contact-content{width:100%}.contact-content h2{font-size:clamp(32px,3.5vw,53px)}.contact-content .lead{max-width:34ch;margin:32px 0 24px}.contact-content p:not(.lead):not(.eyebrow){max-width:43ch;font-size:14px;color:#b9b9b5}.contact-link{margin-top:18px}.contact-content .signature{margin-top:38px;width:330px}.back-bottom{display:inline-block;font-size:11px;text-decoration:none;color:#bbb;margin-top:20px}footer{display:flex;justify-content:space-between;padding:22px 5vw;font-size:10px;color:#999;border-top:1px solid var(--line)}footer a{text-decoration:none}
@media(min-width:1800px){.hero-content{margin-right:10%}.section{padding-left:13vw;padding-right:10vw}}
@media(max-width:1100px){.chapter-nav{display:none}.section{padding:85px 6vw}.hero-content{width:52%;margin-right:5%}h1{font-size:52px}.formats article{padding:0 20px}.story-grid{gap:5%}.testimonial-grid{gap:6%}}
@media(max-width:700px){html{scroll-padding-top:65px}.masthead{padding:16px 6vw;font-size:9px}.hero{min-height:920px;align-items:flex-end}.hero-image{height:57%;object-position:25% 20%;mask-image:linear-gradient(#000 65%,transparent 100%)}.hero-shade{background:linear-gradient(0deg,#0b0d0e 37%,#0b0d0e8c 61%,#0b0d0e0d 90%)}.hero-content{width:auto;max-width:none;margin:380px 7vw 72px}.hero .eyebrow{font-size:9px;margin-bottom:20px}.hero h1{font-size:42px;line-height:1.23}.hero .lead{font-size:19px}.signature{max-width:310px;margin-top:22px}.hero-caption{bottom:22px;left:7vw;font-size:8px}.section{padding:72px 7vw}.eyebrow{font-size:9px;margin-bottom:23px}.intro-grid,.story-grid,.testimonial-grid{grid-template-columns:1fr;gap:30px}.intro-grid{margin-bottom:35px}.intro-grid p:not(.lead),.story-copy>p:not(.lead){font-size:15px}.feature-video figcaption{display:grid;gap:3px;font-size:8px}.story-grid{margin-top:32px}.story-photo img{max-height:480px}.story-next{grid-template-columns:86px 1fr;gap:18px}.learning-grid{gap:20px;grid-template-columns:1fr}.learning-grid figure{max-width:330px;width:100%;margin:auto}.learning-grid figure+figure{margin-top:20px}.testimonial-grid blockquote{font-size:25px;max-width:100%;margin-top:30px}.portrait-video{max-width:300px}.formats{grid-template-columns:1fr;gap:38px}.formats article,.formats article:first-child,.formats article:last-child{padding:30px 0 0;border-left:0;border-top:1px solid var(--line)}.format-number{margin-bottom:18px}.formats-intro{margin-bottom:30px}.formats .text-link{font-size:10px}.contact-section{min-height:860px;align-items:flex-end;padding-top:320px}.contact-image{width:100%;height:58%;object-position:50% 32%;opacity:.65}.contact-section:after{background:linear-gradient(0deg,#0b0d0e 43%,#0b0d0e55 78%,#0b0d0e22)}.contact-content h2{font-size:32px}.contact-content .lead{font-size:19px}.contact-content .signature{max-width:280px}.text-link{font-size:10px;gap:16px}footer{font-size:9px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important;animation:none!important}}

/* Shared 4px screen from Engenharia; text and player controls remain above it. */
.texture{opacity:1}
.section{position:relative;isolation:isolate}
.section::before{content:"";position:absolute;inset:0;z-index:0;pointer-events:none;background:url("diagonal-screen.svg") repeat 0 0/4px 4px;opacity:.75}
.section-inner{position:relative;z-index:1}
.screen-media{position:relative;min-width:0;overflow:hidden}
.screen-media::after{content:"";position:absolute;inset:0;z-index:1;pointer-events:none;background:url("diagonal-screen.svg") repeat 0 0/4px 4px;opacity:.75}
.screen-media--video::after{bottom:48px}
.story-grid{align-items:stretch}
.story-photo{display:grid;grid-template-rows:minmax(0,1fr) auto;min-height:0}
.story-photo .screen-media{min-height:0}
.story-photo img{position:absolute;inset:0;width:100%;height:100%;max-height:none;object-fit:cover}
.story-next{align-items:center}
@media(max-width:700px){.story-grid{align-items:start}.story-photo{display:block}.story-photo img{position:static;height:auto;max-height:480px}.story-next{align-items:center}}
@media print{.texture,.section::before,.screen-media::after{display:none}}

/* Let the signature blend against the section, not an isolated content layer. */
.contact-content{z-index:auto}

/* Desktop chapter layout; shared motion is defined in scene-motion.css. */
.scene-controls{display:none}
.deck-mode{overflow:hidden}
.deck-mode #conteudo{position:relative;height:100dvh}
.deck-mode .chapter{overflow:hidden}
.deck-mode .section{padding:0}
.deck-mode .hero{align-items:safe center}
.deck-mode .contact-section{align-items:safe center}
.deck-mode .chapter-nav{display:grid}
.deck-mode .scene-controls{display:flex;position:fixed;right:35px;bottom:20px;z-index:35;align-items:center;gap:15px;background:#0b0d0edb;padding:3px 10px}
.scene-controls button{border:0;background:none;color:var(--paper);font-size:23px;cursor:pointer;width:42px;height:42px}
.scene-controls button:disabled{opacity:.25;cursor:default}
.scene-controls button:focus-visible{outline:2px solid #e8dcc4;outline-offset:2px}
.scene-controls span{font-size:10px;letter-spacing:.2em;color:var(--muted)}
.deck-mode>footer{display:none}
@media print{.deck-mode{overflow:visible}.deck-mode #conteudo{height:auto}.deck-mode .chapter{position:relative;height:auto;opacity:1;visibility:visible;overflow:visible}.scene-controls{display:none!important}}

/* Show the full BMW photograph, including the logo at the right. */
.story-next{grid-template-columns:210px minmax(0,1fr)}
.story-next img{width:100%;height:auto;aspect-ratio:3/4;object-fit:contain}
@media(max-width:700px){.story-next{grid-template-columns:1fr}.story-next .screen-media{max-width:360px}}

/* Match the BMW image edge with Manaus; its caption occupies the final 32px. */
@media(min-width:701px){.story-copy{padding-bottom:32px}}

/* The signature asset already has an alpha channel. Keep it static and unblended. */
.signature{mix-blend-mode:normal;filter:none;background:transparent}
.contact-content{z-index:1}

/* Engenharia keeps programmatic heading focus for screen readers without drawing a box. */
h1:focus,h2:focus{outline:none}

/* Same scroll container as Engenharia: the chapter fades, its inner content scrolls. */
.chapter>.scene__scroll{display:contents}
.deck-mode .chapter>.scene__scroll{display:flex;position:relative;z-index:2;width:100%;height:100%;min-height:0;overflow-y:auto;overscroll-behavior-y:contain;scrollbar-width:none;align-items:safe center}
.deck-mode .chapter>.scene__scroll::-webkit-scrollbar{display:none}
.deck-mode .section>.scene__scroll{padding:115px 5vw 90px max(175px,15vw)}
.deck-mode .scene__scroll>.section-inner{width:100%;flex:none}
.deck-mode .hero-content{flex:none}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}