/* DK4 YouTube -> Messenger landing pages (v1/v2/v3). Watch-page grammar, own content; no platform marks. */
@font-face{font-family:'Roboto';font-style:normal;font-weight:400 700;font-stretch:100%;font-display:swap;src:url(/fonts/roboto.woff2) format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
:root{
  --bg:#fff; --ink:#0f0f0f; --ink2:#5f5f5f; --well:#f2f2f2; --well2:#e8e8e8; --line:#e3e3e3;
  --msg:#0a6cff; --msg-hover:#0059d6; --msg-ink:#fff;
  --gran:#163a2e; --kb:#a3123a;
  --stage:#0f0f0f; --r:12px; --gut:16px;
  --ease:cubic-bezier(.16,1,.3,1);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-padding-bottom:120px}
body{margin:0;background:var(--bg);color:var(--ink);font:400 15px/1.45 Roboto,system-ui,-apple-system,'Segoe UI',sans-serif;-webkit-font-smoothing:antialiased}
::selection{background:#cfe2ff;color:var(--ink)}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-underline-offset:3px}
:focus-visible{outline:3px solid var(--msg);outline-offset:3px;border-radius:6px}
button{font:inherit;color:inherit}

/* top bar: brand only, no search, no platform mark */
.top{position:sticky;top:0;z-index:5;display:flex;align-items:center;height:48px;padding:0 var(--gut);background:rgba(255,255,255,.96);border-bottom:1px solid var(--line)}
@media (min-width:1000px){.top{padding:0 max(24px,calc((100vw - 1240px)/2 + 24px))}}
.top .brand{display:flex;align-items:center;gap:8px;font-weight:700;font-size:16px;letter-spacing:-.01em;text-decoration:none}
.top .brand svg{width:22px;height:22px;flex:none}

.page{max-width:1240px;margin:0 auto}
@media (min-width:1000px){.page{display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:24px;padding:24px 24px 0}}

/* player */
.stage{position:relative;overflow:hidden;background:var(--stage);height:min(58svh,177.8vw);min-height:300px}
@media (min-width:1000px){.stage{height:min(66vh,720px);border-radius:var(--r)}}
.stage .amb{position:absolute;inset:-40px;background-size:cover;background-position:center;filter:blur(36px) saturate(1.1) brightness(.55);transform:scale(1.1)}
.video{position:relative;height:100%;aspect-ratio:9/16;margin:0 auto;max-width:100%}
.video>button,.video iframe{position:absolute;inset:0;width:100%;height:100%;border:0;padding:0;background:#000;cursor:pointer}
.video>button img{width:100%;height:100%;object-fit:cover}
.video .play{position:absolute;left:50%;top:50%;width:72px;height:72px;margin:-36px 0 0 -36px;border-radius:50%;background:rgba(15,15,15,.62);display:grid;place-items:center;transition:transform .35s var(--ease),background .2s}
.video .play svg{width:30px;height:30px;margin-left:4px;fill:#fff}
.video>button:hover .play{transform:scale(1.08);background:rgba(15,15,15,.78)}
.video .dur{position:absolute;right:8px;bottom:8px;padding:1px 5px;border-radius:4px;background:rgba(0,0,0,.78);color:#fff;font-size:12px;font-weight:500;letter-spacing:.02em}

/* meta under the player */
.meta{padding:12px var(--gut) 0}
@media (min-width:1000px){.meta{padding:12px 0 0}}
h1{margin:0;font-size:19px;line-height:1.35;font-weight:700;letter-spacing:-.01em;text-wrap:balance}
@media (min-width:600px){h1{font-size:21px}}
.chips{display:flex;gap:8px;margin:10px calc(-1*var(--gut)) 0;padding:0 var(--gut);list-style:none;color:var(--ink2);font-size:13px;overflow-x:auto;scrollbar-width:none}
.chips::-webkit-scrollbar{display:none}
.chips li{flex:none;padding:5px 11px;border-radius:999px;background:var(--well);white-space:nowrap}
@media (min-width:1000px){.chips{margin:10px 0 0;padding:0}}
.chips li strong{color:var(--ink);font-weight:500}

.creator{display:flex;flex-wrap:wrap;align-items:center;gap:12px 12px;margin:14px 0 0}
.who{display:flex;align-items:center;gap:12px;min-width:0;flex:1 1 200px}
.who img{width:42px;height:42px;border-radius:50%;object-fit:cover;flex:none}
.who b{display:block;font-size:16px;font-weight:500;letter-spacing:-.005em}
.who span{display:block;color:var(--ink2);font-size:13px}
.creator .cta-wrap{flex:1 1 100%}
@media (min-width:600px){.creator .cta-wrap{flex:0 0 auto}}
@media (min-width:1000px){.creator .cta-wrap{display:none}}  /* desktop: the sticky aside card carries the one CTA */

/* the one action */
.cta{display:flex;align-items:center;justify-content:center;gap:10px;min-height:52px;padding:0 24px;border-radius:999px;background:var(--msg);color:var(--msg-ink);font-weight:500;font-size:16.5px;letter-spacing:.005em;text-decoration:none;box-shadow:0 2px 6px rgba(10,108,255,.28),0 8px 22px -10px rgba(10,108,255,.55);transition:background .2s,transform .2s var(--ease)}
.cta:hover{background:var(--msg-hover)}
.cta:active{transform:scale(.98)}
.cta svg{width:24px;height:24px;flex:none;color:var(--msg)}
.cta[aria-busy=true]{opacity:.85;pointer-events:none}
.sub{margin:8px 2px 0;color:var(--ink2);font-size:13px;line-height:1.4;text-align:center}
@media (min-width:600px){.creator .sub{text-align:left}}

/* description well */
.desc{margin:16px var(--gut) 0;padding:12px 14px 14px;border-radius:var(--r);background:var(--well)}
@media (min-width:1000px){.desc{margin:16px 0 0}}
.desc p{margin:0 0 10px}
.desc p:last-child{margin-bottom:0}
.desc .lead{font-weight:500}
.desc ol{margin:6px 0 12px;padding-left:22px}
.desc ol li{margin:3px 0}
.desc .fine{color:var(--ink2);font-size:13.5px}
.desc h2{margin:14px 0 6px;font-size:15px;font-weight:700}

/* page strip (real PDF pages) */
.strip{margin:18px 0 0}
.strip h2,.answers h2{margin:0 var(--gut) 10px;font-size:18px;font-weight:700;letter-spacing:-.01em}
@media (min-width:1000px){.strip h2,.answers h2{margin-left:0;margin-right:0}}
.strip ol{display:flex;gap:10px;margin:0;padding:0 var(--gut) 6px;list-style:none;overflow-x:auto;scroll-snap-type:x mandatory;scroll-padding-inline:var(--gut);scrollbar-width:thin;scrollbar-color:#c9c9c9 transparent;-webkit-overflow-scrolling:touch}
@media (min-width:1000px){.strip ol{padding:0 0 8px}}
.strip li{flex:0 0 200px;scroll-snap-align:start}
.strip img{width:200px;aspect-ratio:1323/1871;object-fit:cover;border-radius:8px;background:var(--well);box-shadow:0 1px 2px rgba(0,0,0,.08),0 4px 14px -6px rgba(0,0,0,.18)}
.strip li span{display:block;margin-top:6px;font-size:13px;line-height:1.3;font-weight:500}
.strip li small{display:block;color:var(--ink2);font-size:12px}
.strip .note{margin:6px var(--gut) 0;color:var(--ink2);font-size:13px}
@media (min-width:1000px){.strip .note{margin-left:0}}

/* Anna's answers, laid out like a comment thread (questions she gets; no invented commenters) */
.answers{margin:22px 0 0;padding:0 0 8px}
.answers .intro{margin:-4px var(--gut) 12px;color:var(--ink2);font-size:13.5px}
@media (min-width:1000px){.answers .intro{margin-left:0}}
.qa{display:grid;grid-template-columns:40px minmax(0,1fr);gap:0 12px;padding:12px var(--gut)}
@media (min-width:1000px){.qa{padding:12px 0}}
.qa img{width:40px;height:40px;border-radius:50%;object-fit:cover}
.qa .q{margin:1px 0 2px;font-size:13px;color:var(--ink2)}
.qa .q b{color:var(--ink);font-weight:500}
.qa h3{grid-column:1/-1;margin:0 0 8px;font-size:15px;font-weight:700;letter-spacing:-.005em}
.qa p{margin:0 0 6px}
.qa p:last-child{margin-bottom:0}
.answers .after{margin:6px var(--gut) 0}
@media (min-width:1000px){.answers .after{margin:6px 0 0}}

/* desktop aside */
.aside{display:none}
@media (min-width:1000px){
  .aside{display:block}
  .aside .card{position:sticky;top:72px;padding:16px;border:1px solid var(--line);border-radius:var(--r)}
  .aside .book{display:grid;grid-template-columns:104px 1fr;gap:14px;align-items:center;margin-bottom:14px}
  .aside .book img{border-radius:6px;box-shadow:0 4px 16px -6px rgba(0,0,0,.3)}
  .aside .book b{display:block;font-size:15px;line-height:1.3}
  .aside .book span{display:block;margin-top:4px;color:var(--ink2);font-size:13px}
  .aside .sub{text-align:left}
}

/* mobile sticky action */
.dock{position:fixed;left:0;right:0;bottom:0;z-index:6;padding:10px var(--gut) calc(10px + env(safe-area-inset-bottom));background:rgba(255,255,255,.97);border-top:1px solid var(--line);box-shadow:0 -6px 20px -12px rgba(0,0,0,.25);transform:translateY(110%);transition:transform .45s var(--ease)}
.dock.on{transform:none}
.dock .sub{margin-top:6px;font-size:12.5px}
@media (min-width:1000px){.dock{display:none}}
@media (prefers-reduced-motion:reduce){.dock,.cta,.video .play{transition:none}}

footer{margin:28px 0 0;padding:20px var(--gut) 132px;border-top:1px solid var(--line);color:var(--ink2);font-size:13px}
@media (min-width:1000px){footer{grid-column:1/-1;padding-bottom:40px}}
footer p{margin:0 0 8px;max-width:72ch}
footer nav{display:flex;flex-wrap:wrap;gap:4px 14px}
footer a{color:var(--ink2)}

/* v4: no video. Anna, the real pages, the offer card */
.page.one{display:block;max-width:680px;padding:0}
@media (min-width:1000px){.page.one{padding:24px 24px 0}}
.hello{display:flex;flex-direction:column;align-items:center;text-align:center;padding:28px var(--gut) 6px}
.hello img{width:132px;height:132px;border-radius:50%;object-fit:cover;box-shadow:0 0 0 4px #fff,0 0 0 5px var(--line),0 10px 28px -12px rgba(0,0,0,.35)}
.hello b{display:block;margin-top:14px;font-size:22px;font-weight:700;letter-spacing:-.015em}
.hello span{display:block;color:var(--ink2);font-size:13.5px}
.hello p{margin:12px 0 0;max-width:30ch;font-size:19px;line-height:1.35;font-weight:500;text-wrap:balance}
.page.one .strip{margin-top:26px}
.page.one .strip h2,.page.one .strip .note{margin-left:var(--gut)}
.page.one .strip ol{padding:0 var(--gut) 6px}
.offer{margin:22px var(--gut) 0;padding:16px;border:1px solid var(--line);border-radius:var(--r)}
.offer .book{display:grid;grid-template-columns:72px 1fr;gap:14px;align-items:center;margin-bottom:14px}
.offer .book img{border-radius:6px;box-shadow:0 4px 14px -6px rgba(0,0,0,.3)}
.offer .book b{display:block;font-size:17px;line-height:1.3}
.offer .book span{display:block;margin-top:3px;color:var(--ink2);font-size:13.5px}