/* ============================================================
     STYLE 08 · IMMERSIVE PARALLAX STORY · Editorial · Scrollytelling
     Owned art (CSS gradients + inline SVG). Zero deps.
     Depth via CSS scroll-driven animation-timeline + transforms,
     JS fallback for browsers without animation-timeline.
     ============================================================ */
  :root{
    --sans: system-ui,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
    --mono: ui-monospace,'Cascadia Code','Consolas',monospace;
    --ink:#0b1020;
    --paper:#f3efe7;
    --gold:#e8b24a;
  }
  *{box-sizing:border-box}
  html{scroll-behavior:smooth}
  body{
    margin:0;background:var(--ink);color:var(--paper);
    font-family:var(--sans);line-height:1.5;-webkit-font-smoothing:antialiased;
    overflow-x:hidden;
  }
  h1,h2,h3{margin:0;font-weight:800;letter-spacing:-.02em;line-height:1.02}
  p{margin:0}
  ::selection{background:var(--gold);color:var(--ink)}

  /* ---- LAB CHROME ---- */
  .lab-back,.lab-note{
    position:fixed;z-index:99999;font-family:var(--mono);font-size:11px;
    padding:7px 11px;text-decoration:none;letter-spacing:.04em;
    background:rgba(11,16,32,.82);color:var(--paper);
    border:1px solid rgba(243,239,231,.25);backdrop-filter:blur(6px);
  }
  .lab-back{left:14px;bottom:14px}
  .lab-back:hover{color:var(--gold)}
  .lab-note{right:14px;bottom:14px}
  .lab-note b{color:var(--gold)}
  @media (max-width:520px){.lab-note{display:none}}

  /* ================= PROGRESS + CHAPTER HUD ================= */
  .progress{position:fixed;top:0;left:0;height:3px;width:100%;z-index:9000;background:transparent}
  .progress .fill{height:100%;width:0;background:linear-gradient(90deg,var(--gold),#fff);transform-origin:left}
  /* scroll-driven progress where supported */
  @supports (animation-timeline:scroll()){
    .progress .fill{width:100%;transform:scaleX(0);
      animation:grow linear both;animation-timeline:scroll(root block);}
    @keyframes grow{to{transform:scaleX(1)}}
  }
  .chapters{position:fixed;right:16px;top:50%;transform:translateY(-50%);z-index:9000;
    display:flex;flex-direction:column;gap:14px}
  .chapters a{width:10px;height:10px;border-radius:50%;border:1.5px solid rgba(243,239,231,.5);
    display:block;text-decoration:none;transition:all .3s;position:relative}
  .chapters a.on{background:var(--gold);border-color:var(--gold);box-shadow:0 0 12px var(--gold)}
  .chapters a span{position:absolute;right:20px;top:50%;transform:translateY(-50%);
    font-family:var(--mono);font-size:10px;white-space:nowrap;opacity:0;pointer-events:none;
    background:rgba(11,16,32,.8);padding:3px 7px;transition:opacity .25s;letter-spacing:.05em}
  .chapters a:hover span{opacity:1}
  @media (max-width:640px){.chapters{display:none}}

  /* ================= INTRO OVERLAY ================= */
  .kicker{font-family:var(--mono);font-size:12px;letter-spacing:.4em;text-transform:uppercase;color:var(--gold)}

  /* ================= SCENE FRAMEWORK ================= */
  .scene{position:relative;height:100vh;min-height:600px;overflow:hidden;isolation:isolate}
  .layer{position:absolute;inset:0;will-change:transform}
  .layer svg{position:absolute;bottom:0;left:0;width:100%;height:auto;display:block}
  .content{position:relative;z-index:20;height:100%;display:flex;flex-direction:column;
    justify-content:center;padding:0 clamp(24px,7vw,120px);max-width:760px}
  .content h2{font-size:clamp(34px,7vw,90px)}
  .content .lede{font-size:clamp(16px,2.2vw,24px);margin-top:20px;max-width:36ch;color:rgba(243,239,231,.9)}
  .content .num{font-family:var(--mono);font-size:13px;letter-spacing:.3em;color:var(--gold);margin-bottom:18px}

  /* reveal-on-enter (JS toggles .in) */
  .rev{opacity:0;transform:translateY(30px);transition:opacity .9s ease,transform .9s ease}
  .rev.in{opacity:1;transform:none}
  .rev.d1{transition-delay:.1s}.rev.d2{transition-delay:.25s}.rev.d3{transition-delay:.4s}

  /* ---- parallax via scroll-driven timelines where supported ---- */
  @supports (animation-timeline:view()){
    @media (prefers-reduced-motion:no-preference){
      .pll{animation:rise linear both;animation-timeline:view();animation-range:entry 0% exit 100%}
      @keyframes rise{from{transform:translateY(var(--from,40px))}to{transform:translateY(var(--to,-40px))}}
      .pl-bg{--from:8%;--to:-8%}
      .pl-mid{--from:22%;--to:-22%}
      .pl-fg{--from:42%;--to:-46%}
      .pl-far{--from:4%;--to:-4%}
    }
  }

  /* ================= SCENE-SPECIFIC SKIES (owned gradients) ================= */
  .sky-dawn{background:linear-gradient(180deg,#1a2140 0%,#3a3568 40%,#8a5a6a 72%,#e8b24a 100%)}
  .sky-summit{background:linear-gradient(180deg,#0b1020 0%,#16204a 55%,#2a3a72 100%)}
  .sky-descent{background:linear-gradient(180deg,#2a3a72 0%,#4a5a8a 40%,#7a8a9a 75%,#c9c2b4 100%)}
  .sky-valley{background:linear-gradient(180deg,#9fb0c0 0%,#c9d2c4 45%,#e3ddcb 100%)}
  .sky-sea{background:linear-gradient(180deg,#e9c07a 0%,#e88f5a 35%,#c65a6a 65%,#3a2a4a 100%)}

  .sun{position:absolute;border-radius:50%;filter:blur(2px)}

  /* stars for summit */
  .stars{position:absolute;inset:0;overflow:hidden}
  .stars i{position:absolute;width:2px;height:2px;background:#fff;border-radius:50%;opacity:.8;
    animation:tw 4s ease-in-out infinite}
  @keyframes tw{0%,100%{opacity:.2}50%{opacity:.9}}
  @media (prefers-reduced-motion:reduce){.stars i{animation:none}}

  /* ================= TEXT INTERLUDE ================= */
  .interlude{padding:clamp(90px,18vh,200px) clamp(24px,8vw,120px);text-align:center;
    background:var(--ink);position:relative}
  .interlude .pull{font-size:clamp(26px,5vw,64px);font-weight:800;max-width:20ch;margin:0 auto;line-height:1.1}
  .interlude .pull b{color:var(--gold)}
  .interlude .by{font-family:var(--mono);font-size:12px;letter-spacing:.3em;text-transform:uppercase;
    color:rgba(243,239,231,.6);margin-top:28px}

  /* ================= FINAL / CTA ================= */
  .finale{min-height:100vh;display:flex;flex-direction:column;justify-content:center;align-items:center;
    text-align:center;padding:80px clamp(24px,7vw,120px);position:relative;overflow:hidden}
  .finale h2{font-size:clamp(38px,9vw,120px)}
  .finale p{max-width:44ch;margin:22px auto 0;font-size:clamp(16px,2vw,22px);color:rgba(243,239,231,.9)}
  .cta{display:inline-flex;gap:14px;margin-top:40px;flex-wrap:wrap;justify-content:center}
  .cta a{text-decoration:none;font-family:var(--mono);font-size:13px;letter-spacing:.08em;
    padding:14px 26px;border:1px solid var(--gold);color:var(--paper);transition:all .25s;text-transform:uppercase}
  .cta a.solid{background:var(--gold);color:var(--ink);font-weight:700}
  .cta a:hover{background:var(--gold);color:var(--ink)}

  footer{padding:26px clamp(24px,7vw,120px);border-top:1px solid rgba(243,239,231,.12);
    font-family:var(--mono);font-size:11px;letter-spacing:.06em;color:rgba(243,239,231,.55);
    display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;background:var(--ink)}
  footer b{color:var(--gold)}

  /* ================= REDUCED MOTION: static stacked ================= */
  @media (prefers-reduced-motion:reduce){
    .scene{height:auto;min-height:auto}
    .layer{position:absolute}
    .scene{padding-bottom:0}
    .rev{opacity:1;transform:none;transition:none}
    .progress .fill{transition:none}
    html{scroll-behavior:auto}
  }


/* inline style= -> class (CSP-clean) */
.dgpara1{width:clamp(120px,22vw,300px);aspect-ratio:1;left:60%;bottom:8%;
    background:radial-gradient(circle,#fff 0%,#ffe6a8 35%,rgba(232,178,74,0) 70%)}
.dgpara2{width:clamp(80px,12vw,160px);aspect-ratio:1;left:18%;top:14%;
    background:radial-gradient(circle,#fff 0%,#dfe6ff 40%,rgba(200,210,255,0) 72%);opacity:.85;filter:blur(1px)}
.dgpara3{width:clamp(140px,26vw,340px);aspect-ratio:1;left:50%;transform:translateX(-50%);bottom:34%;
    background:radial-gradient(circle,#fff 0%,#ffd98a 30%,rgba(255,180,90,0) 68%)}
.dgpara4{max-width:640px}
.dgpara5{position:relative;z-index:2}
.dgpara6{margin-top:18px}

.lab-note a{color:inherit;text-decoration:underline;text-underline-offset:2px}