:root{
  --bg:#05070f; --bg2:#0a0f1f;
  --cyan:#38f0ff; --magenta:#ff3df0; --violet:#8a7bff; --red:#e50914;
  --ink:#eaf6ff; --muted:#8fa6c4; --line:rgba(56,240,255,.22);
  --glass:rgba(12,22,40,.55);
  /* Netflix-style UI: neutral grotesque for the whole site chrome */
  --font:"Helvetica Neue",Helvetica,Arial,"Liberation Sans",sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{
  background:
    radial-gradient(1200px 700px at 50% -15%, rgba(60,70,90,.12), transparent 60%),
    radial-gradient(900px 600px at 85% 110%, rgba(229,9,20,.06), transparent 60%),
    linear-gradient(180deg,var(--bg),var(--bg2));
  color:var(--ink);
  font-family:var(--font),"PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  overflow:hidden; letter-spacing:.01em;
}
#bg{position:fixed;inset:0;z-index:0;display:block}
#bg3d{position:fixed;inset:0;z-index:0;display:block;pointer-events:none}
/* first-person props: drawn on top of the globe, still behind the slides */
#fg{position:fixed;inset:0;z-index:0;display:block;pointer-events:none}
.vignette{position:fixed;inset:0;z-index:1;pointer-events:none;box-shadow:inset 0 0 220px rgba(0,0,0,.85)}

/* ---- warp reaction: rim flash on every forward jump ---- */
body.warp .vignette{animation:warpFlash .68s ease-out}
/* while the 3D camera is flying, the view tubes in a little */
body.flying .vignette{box-shadow:inset 0 0 280px rgba(1,3,12,.94)}
@keyframes warpFlash{
  0%{box-shadow:inset 0 0 220px rgba(0,0,0,.85), inset 0 0 150px rgba(229,9,20,.30)}
  100%{box-shadow:inset 0 0 220px rgba(0,0,0,.85), inset 0 0 0 rgba(229,9,20,0)}
}

#topbar{position:fixed;top:0;left:0;right:0;z-index:6;display:flex;align-items:center;gap:14px;
  padding:13px 54px;font-family:var(--font);letter-spacing:.18em;
  text-transform:uppercase;background:linear-gradient(180deg,rgba(0,0,0,.92) 30%,rgba(0,0,0,.35))}
#topbar .brand{color:var(--red);font-weight:700;font-size:13px;letter-spacing:.24em;
  text-shadow:0 0 18px rgba(229,9,20,.55)}
#topbar .n-logo{color:var(--red);font-weight:900;font-size:19px;line-height:1;
  letter-spacing:0;text-shadow:0 0 16px rgba(229,9,20,.8);transform:translateY(-1px)}
#topbar .site-tag{color:var(--muted);font-size:10px;letter-spacing:.16em}
#topbar .nav-link{color:var(--muted);font-size:10.5px;letter-spacing:.18em;text-decoration:none;
  border-bottom:1px solid transparent;transition:.2s}
#topbar .nav-link:hover{color:#fff;border-bottom-color:var(--red)}
#topbar .spacer{flex:1}
#topbar .clk{color:var(--muted);font-size:11px}

/* Boot */
#boot{position:fixed;inset:0;z-index:30;background:radial-gradient(circle at 50% 50%,#08111f,#03040a);
  display:flex;align-items:center;justify-content:center;transition:opacity .6s ease}
#boot.gone{opacity:0;pointer-events:none}
.boot-inner{text-align:center;font-family:var(--font);color:#d8d8d8}
.boot-logo{font-size:34px;font-weight:800;letter-spacing:.22em;color:var(--red);
  text-shadow:0 0 24px rgba(229,9,20,.6);animation:pulse 1.6s ease-in-out infinite}
.boot-line{margin-top:18px;font-size:13px;letter-spacing:.25em;color:var(--muted);min-height:18px}
.boot-bar{width:280px;height:4px;margin:16px auto 0;background:rgba(255,255,255,.14);border-radius:4px;overflow:hidden}
.boot-bar-fill{height:100%;width:0;background:linear-gradient(90deg,var(--red),#fff);box-shadow:0 0 12px var(--red)}
.boot-hint{margin-top:14px;font-size:10px;letter-spacing:.2em;color:rgba(143,166,196,.6)}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.55}}

/* Progress */
#progress{position:fixed;top:0;left:0;right:0;height:3px;z-index:7;background:transparent}
#progress-bar{height:100%;width:16%;background:var(--red);
  box-shadow:0 0 12px rgba(229,9,20,.8);transition:width .4s cubic-bezier(.2,.8,.2,1)}

/* Deck */
#deck{position:relative;z-index:4;height:100vh;width:100vw}
.slide{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:center;
  padding:16.5vh 11vw 9vh;opacity:0;visibility:hidden;pointer-events:none;
  will-change:transform,opacity,filter}
.slide.active{opacity:1;visibility:visible;pointer-events:auto}
/* base text alignment; per-page position classes below override it */
.slide{text-align:left}

/* ---- per-slide content placement ----
   Each slide parks its text in a DIFFERENT corner, and flight.js parks the
   featured planet in the OPPOSITE region — text and planet never cover each
   other (verified offline by projection: discs, glows and rings stay out of
   the text box):
   I  earth left-mid      -> text right          II  moon top-right    -> text bottom-left
   III sun bottom-right   -> text top-left       IV  mars top-left     -> text bottom-right
   V  jupiter bottom-left -> text top-right      VI  system band (low) -> text top-center */
.slide.pos-center{justify-content:center;align-items:center;text-align:center;padding:16.5vh 9vw 9vh}
.slide.pos-left{justify-content:center;align-items:flex-start;text-align:left;padding:16.5vh 46vw 9vh 7vw}
.slide.pos-top-left{justify-content:flex-start;align-items:flex-start;text-align:left;padding:12vh 44vw 9vh 7vw}
.slide.pos-right{justify-content:center;align-items:flex-end;text-align:right;padding:16.5vh 7vw 9vh 44vw}
.slide.pos-top-right{justify-content:flex-start;align-items:flex-end;text-align:right;padding:12vh 7vw 9vh 44vw}
.slide.pos-bottom-left{justify-content:flex-end;align-items:flex-start;text-align:left;padding:9vh 36vw 8vh 7vw}
.slide.pos-bottom-right{justify-content:flex-end;align-items:flex-end;text-align:right;padding:9vh 7vw 8vh 44vw}
.slide.pos-top-center{justify-content:flex-start;align-items:center;text-align:center;padding:11vh 9vw 9vh}

/* slide 2's video lives in the bottom-left slot — cap it so it never
   reaches the moon sitting in the top-right corner */
.slide.pos-bottom-left .video-wrap{width:min(760px,56vw)}

/* on narrow screens, let text breathe (don't shove it to the far edge) */
@media (max-width:900px){
  .slide.pos-left,.slide.pos-top-left{padding-right:30vw}
  .slide.pos-right{padding-left:30vw}
  .slide.pos-bottom-left{padding-right:24vw}
  .slide.pos-top-right,.slide.pos-bottom-right{padding-left:24vw}
}

/* warp-through transitions: old page rushes past you, new page flies in from far away */
.slide.leave{animation:flyOut .58s cubic-bezier(.4,.65,.2,1) forwards}
.slide.enter{animation:flyIn .78s cubic-bezier(.18,.75,.2,1) forwards}
@keyframes flyOut{
  from{transform:scale(1);opacity:1;filter:blur(0)}
  to{transform:scale(1.85);opacity:0;filter:blur(14px)}
}
@keyframes flyIn{
  from{transform:scale(.58);opacity:0;filter:blur(20px)}
  to{transform:scale(1);opacity:1;filter:none}
}
.slide-idx{position:absolute;top:64px;right:60px;font-family:var(--font);font-size:13px;
  letter-spacing:.2em;color:var(--muted)}

.kicker{font-family:var(--font);letter-spacing:.28em;text-transform:uppercase;
  color:var(--red);font-size:12px;margin-bottom:16px;
  text-shadow:0 0 14px rgba(229,9,20,.5)}
h1{font-family:var(--font);font-weight:800;font-size:clamp(44px,8vw,110px);line-height:.98;
  letter-spacing:-.01em;text-shadow:0 0 40px rgba(0,0,0,.55)}
h2{font-family:var(--font);font-weight:800;font-size:clamp(26px,4.6vw,56px);
  margin-bottom:26px;letter-spacing:.01em;text-shadow:0 0 30px rgba(0,0,0,.5)}
.sub{color:var(--muted);font-size:clamp(16px,2vw,22px);margin-top:20px;letter-spacing:.04em}
/* Netflix-title-page style metadata strip (slide 1) */
.meta-row{margin-top:18px;font-family:var(--font);font-size:clamp(12px,1.35vw,17px);
  letter-spacing:.14em;color:#dcdcdc;text-transform:uppercase}
.meta-row i{color:var(--red);font-style:normal;margin:0 10px;text-shadow:0 0 10px rgba(229,9,20,.65)}
/* official synopsis — Netflix's own English logline for the film */
.synopsis{margin-top:14px;max-width:620px;font-size:clamp(13px,1.5vw,17px);
  line-height:1.55;color:#b9cde4;letter-spacing:.02em}
/* title-page call-to-action: red PLAY + dim MORE INFO, like the official page */
.cta-row{display:flex;gap:14px;margin-top:22px}
.cta-row button{cursor:pointer;border:0;border-radius:6px;font-family:var(--font);
  font-weight:700;font-size:clamp(13px,1.4vw,16px);letter-spacing:.16em;text-transform:uppercase;
  padding:13px 28px;transition:transform .15s ease, background .2s ease}
.cta-play{background:var(--red);color:#fff;box-shadow:0 4px 22px rgba(229,9,20,.42)}
.cta-play:hover{background:#f6121d;transform:translateY(-2px)}
.cta-info{background:rgba(109,109,110,.65);color:#fff;backdrop-filter:blur(4px)}
.cta-info:hover{background:rgba(150,150,152,.75);transform:translateY(-2px)}
.thesis{margin-top:26px;max-width:760px;font-size:clamp(17px,2.3vw,25px);color:#f2f6fb;
  padding:18px 22px;border-radius:8px;border:1px solid rgba(255,255,255,.16);
  background:rgba(10,10,12,.55);backdrop-filter:blur(8px);box-shadow:0 6px 30px rgba(0,0,0,.45)}
.thesis b{color:var(--red);text-shadow:0 0 16px rgba(229,9,20,.5)}

/* Glitch */
.glitch{position:relative}
.glitch::before,.glitch::after{content:attr(data-text);position:absolute;left:0;top:0;width:100%;
  white-space:pre;clip-path:inset(0);opacity:.85}
.glitch::before{color:#8f060c;transform:translate(2px,0);animation:gl1 3.4s infinite linear alternate}
.glitch::after{color:#ffffff;transform:translate(-2px,0);animation:gl2 2.8s infinite linear alternate}
@keyframes gl1{0%{clip-path:inset(0 0 82% 0)}25%{clip-path:inset(55% 0 30% 0)}50%{clip-path:inset(20% 0 60% 0)}75%{clip-path:inset(70% 0 10% 0)}100%{clip-path:inset(40% 0 45% 0)}}
@keyframes gl2{0%{clip-path:inset(60% 0 20% 0)}25%{clip-path:inset(10% 0 75% 0)}50%{clip-path:inset(45% 0 35% 0)}75%{clip-path:inset(25% 0 55% 0)}100%{clip-path:inset(5% 0 80% 0)}}

/* Video */
.video-wrap{position:relative;width:min(900px,80vw);aspect-ratio:16/9;background:#000;
  border-radius:14px;overflow:hidden}
.neon-frame{border:1px solid rgba(229,9,20,.65);box-shadow:0 0 30px rgba(229,9,20,.28),0 0 60px rgba(229,9,20,.12) inset}
.video-wrap video,.video-wrap iframe{width:100%;height:100%;display:block;object-fit:contain;background:#000;border:0}
/* backup link, always visible under the frame so the presenter can open the
   original clip directly if the embed is ever blocked on a venue network */
.trailer-link{margin-top:12px;font-family:var(--font);font-size:12px;letter-spacing:.04em;color:var(--muted)}
.trailer-link a{color:#fff;text-decoration:none;border-bottom:1px solid rgba(255,255,255,.45)}
.trailer-link a:hover{color:var(--red)}
.feed-tag{position:absolute;top:10px;left:12px;z-index:3;font-family:var(--font);font-size:11px;
  letter-spacing:.18em;color:#ff6b6b;text-shadow:0 0 10px #ff6b6b}
#video-fallback{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;
  text-align:center;padding:20px;font-family:var(--font)}
#video-fallback code{background:#0c1020;padding:2px 8px;border-radius:6px;color:var(--cyan)}

.watch-for{list-style:none;display:flex;gap:18px;flex-wrap:wrap;margin-top:24px}
.watch-for li{flex:1;min-width:200px;background:rgba(10,10,12,.55);border:1px solid rgba(255,255,255,.16);border-radius:8px;
  padding:14px 16px;font-size:clamp(14px,1.7vw,19px);color:#e8e8e8;backdrop-filter:blur(6px)}
.wf-k{display:block;font-family:var(--font);font-size:12px;letter-spacing:.2em;color:var(--red);margin-bottom:6px}

/* Bullets */
.bullets{list-style:none;display:flex;flex-direction:column;gap:18px;font-size:clamp(18px,2.6vw,30px);max-width:900px}
.bullets li{padding-left:34px;position:relative;color:#eef2f7}
.bullets li::before{content:"▹";position:absolute;left:0;top:0;color:var(--red);
  text-shadow:0 0 12px rgba(229,9,20,.6);font-size:1.1em;animation:blink 2.4s infinite}
@keyframes blink{0%,100%{opacity:1}50%{opacity:.4}}

.tag-row{display:flex;flex-wrap:wrap;gap:9px;margin-top:30px}
.tag{background:rgba(255,255,255,.09);color:#e9e9e9;border:1px solid rgba(255,255,255,.28);
  border-radius:4px;padding:6px 15px;font-size:13px;letter-spacing:.05em;
  font-family:var(--font);box-shadow:none}

/* Contrast table */
table.contrast{width:min(840px,86vw);border-collapse:separate;border-spacing:0;margin-top:6px;
  font-family:var(--font)}
table.contrast th,table.contrast td{border:1px solid rgba(255,255,255,.18);padding:16px 20px;text-align:center;font-size:clamp(15px,2.1vw,24px)}
table.contrast th{background:rgba(255,255,255,.07);color:#fff;letter-spacing:.1em;font-weight:700}
table.contrast td:first-child{color:var(--muted)}
table.contrast td.hl{color:#fff;background:rgba(229,9,20,.20);text-shadow:0 0 14px rgba(229,9,20,.55);
  box-shadow:0 0 22px rgba(229,9,20,.22) inset;font-weight:700}

/* Stamp */
.stamp{margin-top:30px;display:inline-block;font-family:var(--font);font-weight:800;
  font-size:clamp(22px,3.2vw,40px);line-height:1.05;letter-spacing:.02em;
  color:transparent;-webkit-text-stroke:1.5px var(--red);text-shadow:0 0 30px rgba(229,9,20,.35);
  transform:rotate(-2deg);border:2px solid var(--red);padding:14px 22px;border-radius:6px;
  background:rgba(229,9,20,.05)}

/* closing "where to watch" line under the stamp (slide 6) */
.netflix-line{margin-top:20px;font-family:var(--font);font-size:clamp(13px,1.6vw,19px);
  letter-spacing:.22em;color:#e6e6e6;text-transform:uppercase}
.netflix-line a{color:var(--red);font-weight:700;text-decoration:none;
  text-shadow:0 0 16px rgba(229,9,20,.6)}
.netflix-line a:hover{color:#f6121d}

/* title-page style info lines on slide 6: cast + moods */
.cast-line{margin-top:14px;font-family:var(--font);font-size:clamp(12px,1.4vw,16px);
  letter-spacing:.08em;color:#c3c3c3;text-transform:uppercase;max-width:820px}
.cast-line b{color:var(--red);letter-spacing:.2em;margin-right:12px}

/* Animations on activate */
.slide.active [data-anim]{animation:rise .8s cubic-bezier(.2,.8,.2,1) both}
.slide.active .kicker{animation-delay:.05s}
.slide.active h1,.slide.active h2{animation-delay:.12s}
.slide.active .sub{animation-delay:.22s}
.slide.active .meta-row,.slide.active .synopsis,.slide.active .cta-row,
.slide.active .thesis,.slide.active .bullets,.slide.active .watch-for,
.slide.active .tag-row,.slide.active table.contrast,.slide.active .stamp,
.slide.active .netflix-line,.slide.active .cast-line,.slide.active .trailer-link{animation-delay:.3s}
@keyframes rise{from{opacity:0;transform:translateY(28px);filter:blur(8px)}to{opacity:1;transform:none;filter:none}}

/* Controls — scroll driven; arrows removed on purpose */
#counter{position:fixed;bottom:18px;right:24px;z-index:8;font-family:var(--font);
  font-size:13px;letter-spacing:.2em;color:#d2d2d2}
/* Story act caption — the stage of the story you are in */
#act{position:fixed;top:40px;left:60px;z-index:7;max-width:40vw;
  padding:8px 14px;border-left:2px solid rgba(255,255,255,.35);
  background:linear-gradient(90deg,rgba(8,8,10,.72),rgba(8,8,10,0));
  font-family:var(--font);}
#act .act-no{display:block;font-size:11.5px;font-weight:700;letter-spacing:.22em;
  color:#e8e8e8;text-shadow:0 0 14px rgba(0,0,0,.6)}
#act .act-alt{display:inline-block;margin-top:5px;font-size:10.5px;font-weight:700;letter-spacing:.16em;
  color:#e6e6e6;border:1px solid rgba(255,255,255,.3);border-radius:4px;padding:1px 9px;
  background:rgba(255,255,255,.08)}
#act .act-line{display:block;margin-top:6px;font-size:12.5px;line-height:1.4;color:#bdbdbd}
#act.flip{animation:actFlip .6s cubic-bezier(.2,.8,.2,1)}
@keyframes actFlip{
  from{opacity:0;transform:translateX(-14px);filter:blur(6px)}
  to{opacity:1;transform:none;filter:none}
}

#scroll-hint{position:fixed;bottom:80px;left:50%;transform:translateX(-50%);z-index:8;
  display:flex;align-items:center;gap:9px;font-family:var(--font);font-size:11px;
  letter-spacing:.2em;color:#a8a8a8;animation:hintPulse 2.2s ease-in-out infinite}
#scroll-hint .wheel{font-size:16px;color:var(--red);text-shadow:0 0 12px rgba(229,9,20,.6);
  animation:wheelDrop 1.8s ease-in-out infinite}
#scroll-hint.gone{opacity:0;transition:opacity .5s}
@keyframes hintPulse{0%,100%{opacity:.9}50%{opacity:.4}}
@keyframes wheelDrop{0%,100%{transform:translateY(0)}50%{transform:translateY(6px)}}
.mini-btn{position:fixed;bottom:18px;left:24px;z-index:8;background:rgba(8,8,10,.6);border:1px solid rgba(255,255,255,.22);
  color:#bdbdbd;padding:8px 14px;border-radius:999px;font-family:var(--font);font-size:11px;
  letter-spacing:.15em;cursor:pointer;backdrop-filter:blur(6px);transition:.2s}
.mini-btn:hover{color:#fff;border-color:rgba(255,255,255,.5)}

/* Background music control */
#bgm-panel{position:fixed;bottom:18px;left:50%;transform:translateX(-50%);z-index:8;display:flex;align-items:center;gap:10px;
  background:rgba(8,8,10,.6);border:1px solid rgba(255,255,255,.22);border-radius:999px;padding:7px 16px;
  font-family:var(--font);backdrop-filter:blur(6px)}
#bgm-toggle{width:30px;height:30px;display:grid;place-items:center;border-radius:50%;cursor:pointer;
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.4);color:#fff;font-size:15px;line-height:1;transition:.2s}
#bgm-toggle:hover{background:rgba(255,255,255,.2)}
#bgm-toggle.off{background:rgba(255,255,255,.06);border-color:#8a8a8a;color:#8a8a8a}
.bgm-label{font-size:10px;letter-spacing:.22em;color:#a8a8a8}
#bgm-vol{-webkit-appearance:none;appearance:none;width:120px;height:4px;border-radius:999px;
  background:linear-gradient(90deg,var(--red),rgba(255,255,255,.25));outline:none;cursor:pointer}
#bgm-vol::-webkit-slider-thumb{-webkit-appearance:none;width:14px;height:14px;border-radius:50%;
  background:#fff;box-shadow:0 0 10px rgba(229,9,20,.7);cursor:pointer}
#bgm-vol::-moz-range-thumb{width:14px;height:14px;border:none;border-radius:50%;background:#fff;box-shadow:0 0 10px rgba(229,9,20,.7);cursor:pointer}

#notes{position:fixed;top:0;right:0;width:min(420px,92vw);height:100vh;z-index:20;padding:24px;
  background:rgba(8,8,10,.96);border-left:1px solid rgba(255,255,255,.15);overflow-y:auto;
  box-shadow:-12px 0 50px rgba(0,0,0,.6);backdrop-filter:blur(10px)}
.notes-head{display:flex;justify-content:space-between;align-items:center;color:var(--red);
  font-family:var(--font);letter-spacing:.12em;margin-bottom:16px}
#notes-close{cursor:pointer;color:var(--muted);font-size:18px}
#notes-body{color:#e6e6e6;font-size:16px;line-height:1.8;white-space:pre-wrap}
.hidden{display:none!important}

#offline-flag{position:fixed;bottom:18px;left:50%;transform:translateX(-50%);z-index:8;
  font-family:var(--font);font-size:11px;letter-spacing:.15em;color:#bdbdbd;
  border:1px solid rgba(255,255,255,.3);padding:5px 14px;border-radius:999px;
  background:rgba(8,8,10,.7);box-shadow:none}

/* Official-site copyright strip — pinned to the very bottom edge, below the
   music panel and below the whole-system band on page 6 (y >= 98%H) */
#site-footer{position:fixed;bottom:2px;left:0;right:0;z-index:6;text-align:center;
  font-family:var(--font);font-size:9.5px;letter-spacing:.14em;color:rgba(143,166,196,.78);
  pointer-events:none;padding:0 12px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

@media (max-width:680px){
  .slide{padding:13vh 8vw 12vh}
  #topbar{padding:12px 44px;gap:8px}
  #topbar .site-tag,#topbar .nav-link{display:none}
  #site-footer{font-size:8px;white-space:normal;line-height:1.5}
  #scroll-hint{bottom:70px;font-size:10px}
  #act{top:38px;left:22px;max-width:74vw;padding:8px 12px}
  #act .act-line{display:none}
}
/* short screens: drop the story sentence; shrink slide-2's video and the
   slide-5 table so they never reach into the planet zones; on slide 1 the
   Netflix hero stacks tall, so drop the synopsis and tighten the blocks;
   on slide 6 hide the cast lines and tighten so text stays above the ring band */
@media (max-height:760px){
  #act .act-line{display:none}
  .slide.pos-bottom-left .video-wrap{width:min(600px,52vw)}
  table.contrast{width:min(600px,60vw)}
  .slide.pos-right .synopsis{display:none}
  .cta-row button{padding:10px 20px;font-size:12px}
  .cta-row{margin-top:14px}
  .thesis{margin-top:16px;padding:14px 18px}
  .slide.pos-top-center{padding-top:8vh}
  .cast-line{display:none}
  .stamp{margin-top:18px;font-size:clamp(20px,2.6vw,30px)}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001s!important;animation-iteration-count:1!important}
}

/* click-to-caption: the nation's own-language slogan, Netflix-title style */
#waocap {
  position: absolute; z-index: 3; left: 0; right: 0; bottom: 20%;
  display: flex; flex-direction: column; align-items: center; gap: 14px;
  pointer-events: none; opacity: 0; transform: translateY(18px);
  transition: opacity .28s ease, transform .28s ease;
}
#waocap.show { opacity: 1; transform: translateY(0); }
#waocap img {
  height: 58px; border-radius: 3px;
  box-shadow: 0 6px 26px rgba(0,0,0,.75);
}
#waocap .cap-line {
  font-size: clamp(30px, 4.6vw, 78px); font-weight: 800; line-height: 1.12;
  color: #fff; text-align: center; padding: 0 6vw;
  text-shadow: 0 4px 30px rgba(0,0,0,.95), 0 0 70px rgba(0,0,0,.8);
}
/* danmu strip: the slogan drifts across the screen, one per click */
.wao-danmu {
  position: absolute; z-index: 3; left: 100%;
  font-size: clamp(18px, 1.7vw, 26px); font-weight: 700; color: #ffe27a;
  white-space: nowrap; pointer-events: none;
  text-shadow: 0 2px 12px rgba(0,0,0,.95);
  animation: waoDanmu 7s linear forwards;
}
@keyframes waoDanmu { to { transform: translateX(calc(-100vw - 100%)); } }
/* ---- SLIDE 7 · WE ARE ONE — rolling flag columns of the world ---- */
.slide.flags-slide { background: transparent; }
#flagwall {
  position: absolute; inset: 0; z-index: 1;
  display: flex; gap: 10px; padding: 0 30px; overflow: hidden;
  -webkit-mask-image: linear-gradient(180deg, transparent 0, #000 11%, #000 89%, transparent 100%);
          mask-image: linear-gradient(180deg, transparent 0, #000 11%, #000 89%, transparent 100%);
}
.fcol { flex: 1 1 0; overflow: hidden; min-width: 0; }
.fcol-inner {
  display: flex; flex-direction: column; gap: 9px;
  animation: fcolUp var(--dur, 60s) linear infinite;
  will-change: transform;
}
.fcol.up .fcol-inner { animation-name: fcolDown; }
.fcol:hover .fcol-inner, .fcol:focus-within .fcol-inner { animation-play-state: paused; }
@keyframes fcolUp   { from { transform: translateY(0); }    to { transform: translateY(-50%); } }
@keyframes fcolDown { from { transform: translateY(-50%); } to { transform: translateY(0); } }
#flagwall .flag {
  cursor: pointer; border: 0; padding: 0; background: none; display: block;
  transition: transform .14s ease, filter .14s ease;
  filter: saturate(.92) brightness(.82);
}
#flagwall .flag:hover, #flagwall .flag:focus-visible {
  transform: scale(1.18) rotate(-1.5deg); filter: none; z-index: 4; position: relative;
  outline: 2px solid rgba(255,255,255,.85); outline-offset: 2px;
}
#flagwall .flag.pulse { animation: flagpulse .5s ease; }
@keyframes flagpulse {
  0% { box-shadow: 0 0 0 0 rgba(255,255,255,.75); }
  100% { box-shadow: 0 0 0 18px rgba(255,255,255,0); }
}
#flagwall img {
  width: 100%; display: block; border-radius: 2px;
  box-shadow: 0 2px 12px rgba(0,0,0,.65);
}
.weareone {
  position: absolute; inset: 0; z-index: 2;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  text-align: center; pointer-events: none; padding: 0 6vw;
  background: radial-gradient(ellipse 62% 52% at 50% 50%, rgba(2,4,10,.88) 30%, rgba(2,4,10,.45) 62%, rgba(2,4,10,0) 78%);
}
.wao-title {
  font-size: clamp(64px, 12vw, 200px); letter-spacing: .05em; line-height: .95;
  margin: .1em 0 .15em; color: #fff;
  text-shadow: 0 6px 44px rgba(0,0,0,.95), 0 0 90px rgba(0,0,0,.75);
}
.wao-sub {
  font-size: clamp(13px, 1.3vw, 19px); color: rgba(230,238,250,.92);
  text-shadow: 0 2px 14px rgba(0,0,0,.9); line-height: 1.7;
}