@font-face{font-family:DM;src:url('assets/dm-sans.woff2') format('woff2');font-weight:100 900;font-style:normal;font-display:swap}
@font-face{font-family:Instrument;src:url('assets/instrument-serif-italic.woff2') format('woff2');font-weight:400;font-style:italic;font-display:swap}

:root{
  --night:#06060f;
  --dusk:#150e22;
  --ember:#4a1f1c;
  --gold:#ffd28a;
  --amber:#ff9a4a;
  --cream:#fff3e0;
  --warm:0;          /* 0 dusk -> 1 dawn, driven by scroll */
  --horizon:80%;     /* where the light line sits, driven by scroll */
  --gutter:clamp(22px,6vw,96px);
  color-scheme:dark;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
html,body{margin:0;background:var(--night);color:var(--cream)}
body{
  font-family:DM,system-ui,-apple-system,"Segoe UI",sans-serif;
  font-weight:400;line-height:1.2;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
@media (prefers-reduced-motion:no-preference){
  html{scroll-snap-type:y proximity}
}

/* ---------- the sky ---------- */
.sky{position:fixed;inset:0;z-index:0;overflow:hidden;pointer-events:none;
  background:
    linear-gradient(180deg,
      var(--night) 0%,
      color-mix(in oklab, var(--night), var(--dusk) 70%) 42%,
      var(--dusk) 68%,
      color-mix(in oklab, var(--dusk), var(--ember) calc(var(--warm)*100%)) 100%);
}
.dawn{position:absolute;left:50%;top:var(--horizon);width:180vmax;height:180vmax;transform:translate(-50%,-50%);
  background:radial-gradient(closest-side,
    rgba(255,170,90,calc(.22 + var(--warm)*.42)) 0%,
    rgba(255,120,60,calc(.10 + var(--warm)*.22)) 18%,
    rgba(120,50,50,calc(.05 + var(--warm)*.08)) 38%,
    rgba(0,0,0,0) 62%);
  filter:blur(6px);
}
.dawn::after{content:"";position:absolute;left:50%;top:50%;width:140vw;height:2px;transform:translate(-50%,-50%);
  background:linear-gradient(90deg,transparent,rgba(255,214,150,calc(.25 + var(--warm)*.55)) 30%,rgba(255,240,210,calc(.55 + var(--warm)*.45)) 50%,rgba(255,214,150,calc(.25 + var(--warm)*.55)) 70%,transparent);
  filter:blur(calc(.6px + var(--warm)*1.4px));
}
#light{position:absolute;inset:0;width:100%;height:100%;display:block}
.grain{position:absolute;inset:-50%;opacity:.045;mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
  animation:grain 1.6s steps(4) infinite;
}
@keyframes grain{0%{transform:translate(0,0)}25%{transform:translate(-3%,2%)}50%{transform:translate(2%,-3%)}75%{transform:translate(-1%,-1%)}100%{transform:translate(0,0)}}
body.no-webgl .dawn{filter:blur(2px)}

/* ---------- the mark ---------- */
.mark{position:fixed;top:calc(env(safe-area-inset-top,0px) + 18px);left:var(--gutter);z-index:3;
  display:flex;align-items:center;gap:10px;font-weight:500;font-size:15px;letter-spacing:.02em;color:rgba(255,243,224,.82)}
.mark em{font-style:normal;color:var(--gold)}
.mark-dot{width:8px;height:8px;border-radius:50%;background:var(--gold);box-shadow:0 0 12px 2px rgba(255,210,138,.7);animation:breathe 4s ease-in-out infinite}
@keyframes breathe{0%,100%{transform:scale(1);opacity:.85}50%{transform:scale(1.25);opacity:1}}

/* ---------- the lines ---------- */
main{position:relative;z-index:2}
.line{min-height:100svh;display:flex;flex-direction:column;align-items:center;justify-content:center;
  padding:calc(env(safe-area-inset-top,0px) + 12vh) var(--gutter) calc(env(safe-area-inset-bottom,0px) + 12vh);
  scroll-snap-align:center;text-align:center;position:relative}
.say{margin:0;max-width:19ch;font-size:clamp(30px,7.6vw,72px);font-weight:300;letter-spacing:-.018em;line-height:1.14;
  text-wrap:balance;color:var(--cream);text-shadow:0 0 34px rgba(255,190,120,.16)}
h1.say{font-weight:300}
.say em{font-family:Instrument,Georgia,serif;font-style:italic;font-weight:400;color:var(--gold);letter-spacing:0;
  text-shadow:0 0 22px rgba(255,210,138,.45),0 0 60px rgba(255,160,80,.25)}
.say.small{font-size:clamp(18px,3.6vw,26px);max-width:30ch;line-height:1.35;color:rgba(255,243,224,.92);font-weight:400;margin-top:26px;text-shadow:0 1px 18px rgba(6,6,15,.9),0 0 34px rgba(6,6,15,.7)}
.whisper{margin:0 0 22px;font-size:12px;letter-spacing:.34em;text-transform:uppercase;color:rgba(255,210,138,.7);font-weight:500}

/* words emerge from light */
.w{display:inline-block;opacity:0;transform:translateY(.35em);filter:blur(10px);
  transition:opacity 1.1s cubic-bezier(.2,.7,.2,1),transform 1.1s cubic-bezier(.2,.7,.2,1),filter 1.1s cubic-bezier(.2,.7,.2,1);
  transition-delay:calc(var(--i)*70ms);will-change:opacity,transform,filter}
.line.on .w{opacity:1;transform:none;filter:blur(0)}
.line{--p:0}
.line .say,.line .whisper,.line .small{opacity:calc(.25 + var(--p)*.75)}

/* the light thread that draws under each line */
.thread{display:block;width:min(46vw,260px);height:1px;margin-top:34px;transform:scaleX(var(--p));transform-origin:50% 50%;
  background:linear-gradient(90deg,transparent,rgba(255,210,138,.9),rgba(255,243,224,1),rgba(255,210,138,.9),transparent);
  box-shadow:0 0 14px rgba(255,200,120,.6);transition:transform .2s linear}

/* scroll hint */
.hint{position:absolute;bottom:calc(env(safe-area-inset-bottom,0px) + 26px);left:50%;transform:translateX(-50%);
  display:flex;flex-direction:column;align-items:center;gap:10px;text-decoration:none;color:rgba(255,243,224,.55);
  font-size:11px;letter-spacing:.3em;text-transform:uppercase;opacity:calc(var(--p) - .3)}
.hint-thread{width:1px;height:46px;background:linear-gradient(180deg,transparent,var(--gold),transparent);
  background-size:100% 200%;animation:fall 2.2s ease-in-out infinite}
@keyframes fall{0%{background-position:0 -46px;opacity:0}30%{opacity:1}100%{background-position:0 46px;opacity:0}}

/* ---------- the invitation ---------- */
.line-cta{gap:0;padding-bottom:calc(env(safe-area-inset-bottom,0px) + 30vh)}
.type{position:relative;width:min(92vw,900px);aspect-ratio:760/230;display:grid;place-items:center}
#type{position:absolute;inset:0;width:100%;height:100%;display:block;touch-action:manipulation}
.type-fallback{font-size:clamp(44px,12vw,120px);font-weight:700;letter-spacing:-.04em;color:var(--gold);opacity:0}
body.no-type .type-fallback{opacity:1;text-shadow:0 0 30px rgba(255,200,120,.6)}
body.no-type #type{display:none}

.cta{position:relative;display:inline-flex;flex-direction:column;align-items:center;gap:4px;margin-top:38px;
  padding:18px 46px 16px;border-radius:999px;text-decoration:none;color:var(--night);isolation:isolate;
  background:linear-gradient(180deg,#fff0d2,#ffc973 60%,#ff9d4d);
  box-shadow:0 0 0 1px rgba(255,230,190,.45) inset,0 10px 40px rgba(255,160,80,.35),0 0 90px rgba(255,150,60,.25);
  transition:transform .35s cubic-bezier(.2,.8,.2,1),box-shadow .35s;
  transform:translateY(calc((1 - var(--p))*18px));opacity:var(--p)}
.cta:hover,.cta:focus-visible{transform:translateY(-2px) scale(1.03);box-shadow:0 0 0 1px rgba(255,240,210,.7) inset,0 14px 50px rgba(255,160,80,.5),0 0 120px rgba(255,150,60,.4);outline:none}
.cta:active{transform:scale(.98)}
.cta-glow{position:absolute;inset:-3px;border-radius:inherit;z-index:-1;overflow:hidden;opacity:.9}
.cta-glow::before{content:"";position:absolute;left:50%;top:50%;width:260%;aspect-ratio:1;transform:translate(-50%,-50%) rotate(0deg);
  background:conic-gradient(from 0deg,rgba(255,220,160,.2),rgba(255,250,235,1),rgba(255,220,160,.2) 40%,rgba(255,250,235,.9) 70%,rgba(255,220,160,.2));
  animation:spin 5s linear infinite}
@keyframes spin{to{transform:translate(-50%,-50%) rotate(360deg)}}
.cta-label{font-size:20px;font-weight:600;letter-spacing:-.01em;line-height:1}
.cta-sub{font-size:12px;font-weight:500;letter-spacing:.06em;color:rgba(40,20,10,.72)}
.tap-hint{margin:28px 0 0;font-size:11px;letter-spacing:.3em;text-transform:uppercase;color:rgba(255,243,224,.38);opacity:var(--p)}

@media (min-width:900px){
  .say{font-size:clamp(44px,4.6vw,78px);max-width:20ch}
  .whisper{font-size:13px}
  .mark{font-size:17px}
  .cta{padding:22px 58px 20px}
  .cta-label{font-size:24px}
  .type{aspect-ratio:760/200}
  .line-cta{padding-bottom:calc(env(safe-area-inset-bottom,0px) + 36vh)}
}

@media (prefers-reduced-motion:reduce){
  .w{transition:none;opacity:1;transform:none;filter:none}
  .grain,.hint-thread,.cta-glow::before,.mark-dot{animation:none}
  .thread{transition:none}
}