:root{
  --bg:#06030f;
  --pink:#ff5c8a;
  --rose:#ff9ecf;
  --gold:#ffd27a;
  --cream:#fff4e6;
  --muted:rgba(255,244,230,.62);
  --line:rgba(255,210,122,.28);
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{
  background:var(--bg);color:var(--cream);
  font-family:'Cormorant Garamond',Georgia,serif;
  -webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;
}
body{overflow-x:hidden}
body:not(.ready){overflow:hidden}
@media (hover:hover){ body.ready{cursor:none} body.ready button{cursor:none} }

#scene{position:fixed;inset:0;width:100vw;height:100vh;display:block;z-index:0}
#sparkles{position:fixed;inset:0;width:100vw;height:100vh;pointer-events:none;z-index:7}
#scroll-spacer{height:900vh;position:relative;z-index:1;pointer-events:none}

/* ---------- shared type ---------- */
.script{font-family:'Great Vibes',cursive;font-weight:400;line-height:1.1}
.eyebrow{
  font-family:'Montserrat',sans-serif;font-weight:300;
  font-size:clamp(.66rem,1vw,.82rem);letter-spacing:.42em;text-transform:uppercase;color:var(--muted);
}
.tiny{font-family:'Montserrat',sans-serif;font-weight:300;font-size:.78rem;letter-spacing:.08em;color:var(--muted)}

.btn{
  position:relative;display:inline-flex;align-items:center;gap:.7em;
  font-family:'Montserrat',sans-serif;font-weight:400;font-size:.85rem;letter-spacing:.22em;text-transform:uppercase;
  color:var(--cream);background:rgba(255,255,255,.04);border:1px solid var(--line);border-radius:999px;
  padding:1em 2.2em;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  transition:transform .35s ease,box-shadow .35s ease,background .35s ease,border-color .35s ease;
  box-shadow:0 0 0 rgba(255,156,207,0);
}
.btn i{font-style:normal;color:var(--pink);transition:transform .35s ease}
.btn:hover{transform:translateY(-2px);background:rgba(255,92,138,.14);border-color:rgba(255,156,207,.6);box-shadow:0 10px 40px rgba(255,92,138,.28)}
.btn:hover i{transform:scale(1.25) rotate(-8deg)}
.btn:disabled{opacity:.55;transform:none;box-shadow:none}
.btn.busy i{animation:breathe 1.2s ease-in-out infinite}
@keyframes breathe{0%,100%{transform:scale(1)}50%{transform:scale(1.35)}}

.round{
  width:44px;height:44px;border-radius:50%;border:1px solid var(--line);background:rgba(6,3,15,.5);
  color:var(--gold);font-size:1.15rem;backdrop-filter:blur(8px);display:grid;place-items:center;
  transition:background .3s,transform .3s;
}
.round:hover{background:rgba(255,210,122,.15);transform:scale(1.08)}
.round.off{color:var(--muted);text-decoration:line-through}

/* ---------- loader ---------- */
#loader{
  position:fixed;inset:0;z-index:40;background:var(--bg);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1.1rem;
}
.heart-pulse{width:46px;fill:var(--pink);filter:drop-shadow(0 0 18px rgba(255,92,138,.8));animation:pulse 1.1s ease-in-out infinite}
@keyframes pulse{0%,100%{transform:scale(1)}30%{transform:scale(1.18)}45%{transform:scale(1.02)}60%{transform:scale(1.14)}}
#loader .bar{width:min(240px,60vw);height:1px;background:rgba(255,244,230,.14);overflow:hidden}
#loader .bar span{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--pink),var(--gold));box-shadow:0 0 12px var(--rose)}
#loader-pct{font-family:'Montserrat',sans-serif;font-weight:300;font-size:.75rem;letter-spacing:.3em;color:var(--muted)}

/* ---------- intro ---------- */
#intro{
  position:fixed;inset:0;z-index:30;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1.6rem;
  text-align:center;padding:0 6vw;opacity:0;visibility:hidden;
  background:radial-gradient(ellipse at 50% 60%,rgba(255,92,138,.14),transparent 60%),rgba(6,3,15,.62);
  backdrop-filter:blur(5px);-webkit-backdrop-filter:blur(5px);
}
#intro.show{visibility:visible}
#intro-line{font-size:clamp(2.4rem,7vw,5.4rem);color:var(--cream);text-shadow:0 0 30px rgba(255,156,207,.35)}
#intro-line .w{display:inline-block;margin-right:.22em}

/* ---------- chapter panels ---------- */
.panel{
  position:fixed;inset:0;z-index:3;display:flex;flex-direction:column;align-items:center;justify-content:center;
  text-align:center;padding:0 6vw;opacity:0;visibility:hidden;pointer-events:none;
}
.panel.active{visibility:visible}
.panel :is(button,.card){pointer-events:none}
.panel.active :is(button,.card){pointer-events:auto}

/* hero */
#p-hero{justify-content:flex-start;padding-top:10vh;gap:.4rem}
#hero-title{font-size:clamp(3.4rem,11vw,9rem);perspective:900px;margin-top:.15em}
#hero-title .ch{
  display:inline-block;transform-origin:50% 100%;
  background:linear-gradient(115deg,#fff4e6 0%,#ffd27a 30%,#ff9ecf 55%,#fff4e6 80%);
  background-size:250% 100%;-webkit-background-clip:text;background-clip:text;color:transparent;
  animation:shimmer 6s linear infinite;
  filter:drop-shadow(0 0 22px rgba(255,156,207,.35));
}
#hero-title .ch.sp{width:.3em}
@keyframes shimmer{to{background-position:250% 0}}
#p-hero .name{font-size:clamp(1.5rem,3.6vw,3rem);font-style:italic;font-weight:600;letter-spacing:.08em;color:var(--cream)}
.scroll-hint{
  position:absolute;bottom:5vh;left:0;right:0;display:flex;flex-direction:column;align-items:center;gap:.6rem;
  font-family:'Montserrat',sans-serif;font-weight:300;font-size:.7rem;letter-spacing:.3em;text-transform:uppercase;color:var(--muted);
}
.chev{width:10px;height:10px;border-right:1px solid var(--gold);border-bottom:1px solid var(--gold);transform:rotate(45deg);animation:chev 1.6s ease-in-out infinite}
@keyframes chev{0%,100%{transform:translateY(0) rotate(45deg);opacity:.4}50%{transform:translateY(8px) rotate(45deg);opacity:1}}

/* gallery */
#p-gallery{justify-content:flex-start;padding-top:8vh;gap:.6rem}
#p-gallery h2{font-size:clamp(2.2rem,5.5vw,4.2rem);text-shadow:0 0 28px rgba(255,156,207,.3)}

/* cake */
#p-cake{justify-content:space-between;padding-top:9vh;padding-bottom:8vh}
.cake-title{font-size:clamp(2.6rem,8vw,6.5rem);min-height:1.2em;color:var(--cream);text-shadow:0 0 30px rgba(255,210,122,.45)}
.cake-title .ch{display:inline-block;opacity:0}
.cake-title .ch.sp{width:.3em}
.cake-ui{display:flex;flex-direction:column;align-items:center;gap:1rem}
#blow-hint{min-height:1.2em}

/* finale */
.card{
  width:min(640px,92vw);max-height:88vh;overflow:auto;padding:clamp(1.4rem,4vw,2.8rem);
  border:1px solid var(--line);border-radius:20px;background:rgba(8,3,22,.5);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  box-shadow:0 30px 80px rgba(0,0,0,.45),inset 0 0 60px rgba(255,92,138,.05);
  display:flex;flex-direction:column;align-items:center;gap:1rem;
}
.card::-webkit-scrollbar{width:0}
.card h2{font-size:clamp(2rem,5vw,3.4rem);color:var(--cream);text-shadow:0 0 24px rgba(255,156,207,.35)}
#letter{white-space:pre-wrap;text-align:left;font-size:clamp(1.05rem,1.55vw,1.3rem);line-height:1.68;font-weight:400;color:var(--cream);width:100%}
#letter .caret{display:inline-block;width:1px;height:1em;background:var(--gold);vertical-align:-.15em;margin-left:2px;animation:blink .9s step-end infinite}
@keyframes blink{50%{opacity:0}}
#signature{white-space:pre-wrap;align-self:flex-end;font-style:italic;font-size:clamp(1.1rem,1.6vw,1.35rem);color:var(--gold);opacity:0}
.countdown{display:flex;gap:clamp(.6rem,2vw,1.4rem);margin-top:.6rem}
.cd-unit{display:flex;flex-direction:column;align-items:center;min-width:3.4em}
.cd-unit b{font-family:'Cormorant Garamond',serif;font-weight:600;font-size:clamp(1.8rem,4vw,2.8rem);line-height:1;color:var(--cream);font-variant-numeric:tabular-nums}
.cd-unit span{font-family:'Montserrat',sans-serif;font-weight:300;font-size:.62rem;letter-spacing:.28em;text-transform:uppercase;color:var(--muted);margin-top:.35em}
.countdown.today{display:none}
#cd-label.today{font-family:'Great Vibes',cursive;text-transform:none;letter-spacing:0;font-size:clamp(1.8rem,4vw,2.6rem);color:var(--gold)}

/* ---------- lightbox ---------- */
#lightbox{
  position:fixed;inset:0;z-index:20;display:none;align-items:center;justify-content:center;
  background:rgba(6,3,15,.86);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
}
#lightbox.open{display:flex}
#lightbox figure{display:flex;flex-direction:column;align-items:center;gap:.9rem;perspective:1200px}
#lightbox img{
  max-width:92vw;max-height:78vh;border-radius:6px;border:6px solid var(--cream);
  box-shadow:0 30px 80px rgba(0,0,0,.6),0 0 60px rgba(255,92,138,.25);
}
#lightbox figcaption{font-family:'Great Vibes',cursive;font-size:clamp(1.5rem,3vw,2.2rem);color:var(--cream)}
#lb-close{
  position:absolute;top:18px;right:22px;width:48px;height:48px;border-radius:50%;
  border:1px solid var(--line);background:transparent;color:var(--cream);font-size:1.6rem;line-height:1;
}

/* ---------- hover tip ---------- */
#tip{
  position:fixed;z-index:8;pointer-events:none;opacity:0;transform:translate(-50%,-140%);
  font-family:'Great Vibes',cursive;font-size:1.5rem;color:var(--cream);white-space:nowrap;
  text-shadow:0 0 14px rgba(255,156,207,.6);transition:opacity .3s;
}
#tip.show{opacity:1}

/* ---------- hud ---------- */
#hud{position:fixed;top:18px;right:18px;z-index:9;display:flex;gap:.5rem}
#hud button{pointer-events:auto}

@media (max-width:640px){
  #p-hero{padding-top:8vh}
  .scroll-hint{bottom:4vh}
  .btn{font-size:.72rem;padding:.9em 1.6em}
  .card{gap:.8rem}
  #letter{font-size:1rem}
}