/* The overview stays quiet; YouTube supplies its own playback controls. */
.hero--video{padding:48px 0 52px}
.hero-grid--video{grid-template-columns:1fr 1.12fr;gap:42px}
.hero-grid--video h1{font-size:clamp(40px,4.8vw,62px)}
.hero-grid--video .hero-sub{font-size:19px}
.hero-grid--video .hero-cta{gap:12px;margin-top:26px}
.hero-grid--video .hero-cta .btn-lg{padding:14px 22px;font-size:15px}
.hero-walkthrough{min-width:0}
.bdt-video{background:transparent;border:0;border-radius:12px;overflow:hidden;box-shadow:0 12px 32px rgba(42,40,32,.14)}
.bdt-video-frame{position:relative;width:100%;aspect-ratio:16/9;min-height:200px;background:#161616}
.bdt-video-frame iframe{position:absolute;inset:0;width:100%;height:100%;border:0;display:block;z-index:1}
/* Keep the fixed poster visible while YouTube establishes its internal video
   geometry. Native controls remain available for manual/reduced-motion paths,
   API failure and pages where our JavaScript never runs. */
.bdt-video[data-video-enhanced="true"][data-video-state="loading"] iframe,
.bdt-video[data-video-enhanced="true"][data-video-state="starting"] iframe,
.bdt-video[data-video-enhanced="true"][data-video-state="ready"]:not([data-video-autoplay="false"]):not([data-video-reduced-motion="true"]) iframe{visibility:hidden}
.bdt-video-poster{position:absolute;inset:0;width:100%;height:100%;object-fit:contain}
.bdt-video[data-video-state="error"]:not([data-video-error="player_timeout"]) iframe{display:none}
.bdt-video-controls{display:none;align-items:center;gap:14px;padding:16px 18px 8px;background:#fff}
.bdt-video:is([data-video-state="blocked"],[data-video-state="error"],[data-video-state="manual"]) .bdt-video-controls{display:flex}
.bdt-video-controls button{font:600 14px/1.4 'Archivo',sans-serif;border:1px solid var(--ink);border-radius:7px;background:var(--ink);color:#fff;padding:10px 16px;cursor:pointer}
.bdt-video-controls a{font-size:13px;text-decoration:underline;text-underline-offset:3px}
.bdt-video-status{font-size:13px;line-height:1.5;color:#625d4d;background:#fff;margin:0;padding:0 18px 16px}
.bdt-video [hidden]{display:none!important}
.bdt-video button:focus-visible,.walkthrough-guide-link:focus-visible{outline:3px solid var(--ink);outline-offset:4px}
.walkthrough-guide-link{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-top:17px;font-size:14px;font-weight:600;padding:2px 0 6px;border-bottom:1px solid rgba(42,40,32,.24)}

/* One large overview, then the device-specific instructions in the same page. */
.watch-page{--muted:#6b685c;background:var(--paper)}
.watch-header{background:var(--paper)}
.watch-header>.wrap{max-width:1040px}
.watch-header .btn{box-shadow:none;border-radius:8px}
.watch-header .nav-links{gap:26px}
.watch-main{padding:0}
.watch-shell,.watch-page .guide>.wrap,.watch-page .group>.wrap,.watch-page .faq>.wrap{max-width:1040px;margin:0 auto;padding:0 24px}
.watch-overview{padding:48px 0 36px}
.watch-intro{max-width:760px;margin-bottom:28px}
.watch-intro h1{font-size:clamp(36px,4.5vw,56px);font-weight:800;line-height:1.06;letter-spacing:-.04em;max-width:760px;margin:0 0 18px;text-wrap:balance}
.watch-intro p{font-size:18px;line-height:1.65;color:var(--muted);max-width:58ch}
.watch-page .bdt-video{border-radius:12px;box-shadow:0 10px 36px rgba(42,40,32,.12)}
.watch-start{display:flex;align-items:center;gap:26px;margin-top:24px}
.watch-page .btn{box-shadow:none;border-radius:8px;font-size:14px;padding:13px 20px}
.watch-page .btn:hover{transform:none;box-shadow:none}
.watch-secondary{font-size:14px;font-weight:600;text-decoration:underline;text-underline-offset:5px;line-height:1.6}
.watch-jumps{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.watch-jumps>.watch-shell{display:flex;flex-wrap:wrap;align-items:center;gap:12px 28px;padding-top:19px;padding-bottom:19px;font-size:13px}
.watch-jumps span{color:var(--muted);margin-right:auto}
.watch-jumps a{font-weight:600;text-decoration:underline;text-decoration-color:#d2cbb7;text-underline-offset:5px}
.watch-page :is(#guide,#using-the-checker,#book,#faq){scroll-margin-top:90px}
.watch-page .section-title{font-size:clamp(28px,3.4vw,38px);text-align:left;margin:0 0 16px;max-width:25ch}
.watch-page .guide{background:var(--paper);padding:64px 0 72px}
.watch-page .guide-sub{text-align:left;font-size:16px;line-height:1.6;color:var(--muted);margin:0 0 28px}
.watch-page .guide-tabs{justify-content:flex-start;gap:8px;margin-bottom:30px;flex-wrap:wrap}
.watch-page .guide-tab{font-size:14px;padding:12px 20px;border:1px solid var(--line);border-radius:8px;box-shadow:none;background:#fff;color:var(--ink);transform:none}
.watch-page .guide-tab.is-active{background:var(--signal);border-color:var(--signal);box-shadow:none}
.watch-page .guide-tab:focus-visible{outline:3px solid var(--ink);outline-offset:3px}
.watch-page .guide-panel{display:grid;grid-template-columns:260px minmax(0,1fr);gap:28px 44px;max-width:none}
.watch-page .guide-panel[hidden]{display:none!important}
.watch-page .guide-note{grid-column:1/-1;margin:0;padding:14px 18px;border:0;border-left:3px solid var(--signal-deep);border-radius:0;background:#fff7db;font-size:14px;line-height:1.65}
.watch-page .guide-video-embed{margin:0;width:100%;border-radius:12px;min-height:200px;background:#191919}
.watch-page .guide-video-embed.vert{max-width:260px;aspect-ratio:9/16;align-self:start}
.watch-page .guide-steps{display:flex;flex-direction:column;gap:0}
.watch-page .guide-step{display:grid;grid-template-columns:112px minmax(0,1fr);gap:22px;padding:18px 0;border:0;border-bottom:1px solid var(--line);border-radius:0;background:transparent;box-shadow:none;transform:none}
.watch-page .guide-step:first-child{padding-top:0}
.watch-page .guide-step:last-child{border-bottom:0}
.watch-page .guide-art{min-height:120px;padding:8px;background:#fff;border-radius:10px;align-self:start}
.watch-page .guide-art svg{height:112px;max-width:100%}
.watch-page .guide-num{float:left;width:23px;height:23px;margin:0 9px 5px 0;border-radius:5px;font-size:12px;line-height:1;background:var(--signal);color:var(--ink)}
.watch-page .guide-text h3{font-size:19px;line-height:1.3;margin-bottom:9px;letter-spacing:-.02em}
.watch-page .guide-text p{clear:both;font-size:15px;line-height:1.65;color:var(--muted);margin:0}
.watch-page .guide-panel:is([data-guide-panel="windows"],[data-guide-panel="mac"]){display:block}
.watch-page .guide-panel:is([data-guide-panel="windows"],[data-guide-panel="mac"]) .guide-note{margin-bottom:28px}
.watch-page .guide-panel:is([data-guide-panel="windows"],[data-guide-panel="mac"]) .guide-video-embed{max-width:780px;margin:0 auto 32px}
.watch-page .guide-panel:is([data-guide-panel="windows"],[data-guide-panel="mac"]) .guide-steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.watch-page .guide-panel:is([data-guide-panel="windows"],[data-guide-panel="mac"]) .guide-step{display:block;padding:0;border:0}
.watch-page .guide-panel:is([data-guide-panel="windows"],[data-guide-panel="mac"]) .guide-art{margin-bottom:18px;min-height:160px}
.watch-page .guide-panel:is([data-guide-panel="windows"],[data-guide-panel="mac"]) .guide-art svg{height:140px}
.watch-checker{padding:64px 0;background:#fff;border-top:1px solid var(--line)}
.watch-section-intro h2{font-size:clamp(28px,3.4vw,38px);margin-bottom:16px;max-width:24ch}
.watch-section-intro>p{font-size:17px;color:var(--muted);max-width:58ch}
.watch-checker-steps{list-style:none;margin:30px 0 28px;max-width:780px}
.watch-checker-steps li{display:grid;grid-template-columns:32px 1fr;gap:20px;padding:23px 0;border-bottom:1px solid var(--line)}
.watch-checker-steps li>span{display:flex;align-items:center;justify-content:center;width:30px;height:30px;background:var(--signal);border-radius:7px;font-size:14px;font-weight:700}
.watch-checker-steps h3{font-size:20px;margin:2px 0 9px}
.watch-checker-steps p{font-size:16px;line-height:1.7;color:var(--muted)}
.watch-checker-links{display:flex;flex-wrap:wrap;align-items:center;gap:22px}
.watch-tip{margin-top:35px;padding-left:18px;border-left:3px solid var(--signal);max-width:720px}
.watch-tip strong{font-size:16px}.watch-tip p{font-size:15px;color:var(--muted);margin-top:6px}.watch-tip a{text-decoration:underline;text-underline-offset:3px}
.watch-page .group{padding:64px 0;background:var(--paper-2)}
.watch-page .group-grid{grid-template-columns:1.4fr .6fr;gap:56px}
.watch-page .group-eyebrow,.watch-page .group-title{display:none}
.watch-page .group-copy h2{font-size:clamp(28px,3.4vw,38px);max-width:24ch;margin-bottom:25px}
.watch-page .group-list li{font-size:15px;line-height:1.7}
.watch-page .wa-card{background:transparent;border:0;border-radius:0;box-shadow:none;padding:20px 0;transform:none;gap:20px}
.watch-page .wa-card img{width:72px}
.watch-page .faq{background:#fff;padding:64px 0}
.watch-page .faq .section-title{margin-bottom:25px}
.watch-page .faq-list{max-width:none;gap:0}
.watch-page .faq-item{border:0;border-bottom:1px solid var(--line);border-radius:0;background:transparent}
.watch-page .faq-item summary{padding:22px 0;font-size:17px;line-height:1.5}
.watch-page .faq-item p{padding:0 40px 22px 0;max-width:78ch;font-size:15px;line-height:1.8}
.watch-page .faq-item a{text-decoration:underline}
.watch-finish{background:var(--signal);padding:52px 0}
.watch-finish h2{font-size:clamp(28px,3.4vw,38px);margin-bottom:14px}
.watch-finish p{font-size:17px;margin-bottom:26px}.watch-finish .watch-secondary{display:inline-block;margin-left:24px}
.watch-page .footer button{border:0;background:transparent;font:inherit;font-weight:600;color:inherit;cursor:pointer;text-decoration:underline;text-underline-offset:4px}
@media(max-width:960px){.hero-grid--video{gap:26px}.hero-grid--video h1{font-size:45px}.hero-grid--video .hero-cta .btn-lg{padding:12px 16px;font-size:14px}}
@media(max-width:860px){.hero-grid--video{grid-template-columns:1fr}.hero--video{padding:28px 0 38px}.hero-grid--video h1{font-size:clamp(35px,6vw,48px);margin:12px 0}.hero-grid--video .hero-sub{font-size:17px;max-width:650px}.hero-grid--video .eyebrow{font-size:11px}.hero-grid--video .hero-cta{margin-top:18px}.hero-grid--video .hero-note{margin-top:12px}.hero-walkthrough{width:100%;max-width:650px}.watch-header .nav-links{gap:12px}.watch-page .group-grid{gap:30px}}
@media(max-width:760px){.watch-page .guide-panel{grid-template-columns:1fr;gap:25px}.watch-page .guide-video-embed.vert{justify-self:center}.watch-page .guide-steps{width:100%}.watch-page .guide-panel:is([data-guide-panel="windows"],[data-guide-panel="mac"]) .guide-steps{display:flex}.watch-page .guide-panel:is([data-guide-panel="windows"],[data-guide-panel="mac"]) .guide-step{display:grid;grid-template-columns:112px 1fr;padding:18px 0;border-bottom:1px solid var(--line)}.watch-page .guide-panel:is([data-guide-panel="windows"],[data-guide-panel="mac"]) .guide-art{min-height:100px;margin:0}.watch-page .guide-panel:is([data-guide-panel="windows"],[data-guide-panel="mac"]) .guide-art svg{height:90px}.watch-page .group-grid{grid-template-columns:1fr}.watch-page .wa-card{align-items:flex-start;flex-direction:row;justify-content:flex-start}.watch-page .wa-card img{width:45px}}
@media(max-width:560px){.hero-grid--video{gap:24px}.hero-grid--video .hero-cta{gap:8px}.hero-grid--video .hero-note{font-size:12px}.bdt-video{border-radius:9px}.walkthrough-guide-link{font-size:13px;margin-top:14px}.watch-shell,.watch-page .guide>.wrap,.watch-page .group>.wrap,.watch-page .faq>.wrap{padding-left:22px;padding-right:22px}.watch-overview{padding:30px 0}.watch-intro h1{font-size:36px;line-height:1.08}.watch-intro p{font-size:16px}.watch-start{gap:20px}.watch-page .btn{font-size:13px;padding:12px 16px}.watch-secondary{font-size:13px}.watch-jumps>.watch-shell{gap:14px 23px}.watch-jumps span{display:none}.watch-page .guide,.watch-checker,.watch-page .group,.watch-page .faq{padding:44px 0}.watch-page .guide-tab{flex:1 1 calc(50% - 8px);padding:11px 14px;font-size:13px}.watch-page .guide-step{grid-template-columns:86px minmax(0,1fr);gap:16px}.watch-page .guide-art{min-height:100px}.watch-page .guide-art svg{height:90px}.watch-page .guide-text h3{font-size:18px}.watch-page .guide-text p{font-size:14px}.watch-page .guide-panel:is([data-guide-panel="windows"],[data-guide-panel="mac"]) .guide-step{grid-template-columns:86px minmax(0,1fr);gap:16px}.watch-checker-steps li{gap:14px}.watch-checker-steps p{font-size:15px}.watch-header .brand-name{font-size:16px}.watch-header .nav-inner{gap:10px}.watch-header .btn-sm{padding:10px 14px}.watch-finish .watch-secondary{margin:20px 0 0;display:block}.watch-finish{padding:40px 0}}
@media(max-width:400px){.watch-header .brand-name{display:none}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}