/* =========================================================
   "I'm Sorry, Jannat Islam Mim"  —  by Fahim Shariar
   Pure HTML + CSS 3D. No frameworks, no libraries.
   ========================================================= */

:root{
  --rose:#ff5f8f;
  --rose-deep:#e0356b;
  --rose-soft:#ffa8c5;
  --gold:#ffd6a5;
  --violet:#8b5cf6;
  --ink:#07030c;
  --ink-2:#120722;
  --paper:#fff6f8;
  --text:#f4e9f1;
  --muted:#bda6bd;
  --glass:rgba(255,255,255,.055);
  --glass-line:rgba(255,255,255,.16);
  --serif:"Cormorant Garamond",Georgia,serif;
  --script:"Dancing Script",cursive;
  --sans:"Outfit",system-ui,-apple-system,Segoe UI,sans-serif;
}

*{margin:0;padding:0;box-sizing:border-box}

html{scroll-behavior:smooth}
body{
  background:var(--ink);
  color:var(--text);
  font-family:var(--sans);
  font-weight:300;
  overflow-x:hidden;
  cursor:default;
}
body.locked{overflow:hidden}

::selection{background:var(--rose);color:#fff}

/* thin custom scrollbar */
::-webkit-scrollbar{width:9px}
::-webkit-scrollbar-track{background:#0a0410}
::-webkit-scrollbar-thumb{background:linear-gradient(var(--rose),var(--violet));border-radius:9px}

/* =========================================================
   1. BACKGROUND STACK
   ========================================================= */
.aurora{position:fixed;inset:0;z-index:-4;overflow:hidden;background:
  radial-gradient(1200px 800px at 20% 10%,#1b0a2b 0%,transparent 60%),
  radial-gradient(1000px 700px at 85% 80%,#2a0a20 0%,transparent 60%),
  linear-gradient(180deg,#07030c 0%,#0d0417 45%,#12061c 100%);}
.aurora span{position:absolute;border-radius:50%;filter:blur(90px);opacity:.45;mix-blend-mode:screen}
.aurora .a1{width:52vw;height:52vw;background:radial-gradient(circle,#ff3d75,transparent 65%);top:-12%;left:-8%;animation:drift1 26s ease-in-out infinite}
.aurora .a2{width:46vw;height:46vw;background:radial-gradient(circle,#7c3aed,transparent 65%);bottom:-14%;right:-6%;animation:drift2 32s ease-in-out infinite}
.aurora .a3{width:38vw;height:38vw;background:radial-gradient(circle,#ff9f68,transparent 65%);top:42%;left:52%;animation:drift3 38s ease-in-out infinite}
@keyframes drift1{0%,100%{transform:translate3d(0,0,0) scale(1)}50%{transform:translate3d(12vw,8vh,0) scale(1.22)}}
@keyframes drift2{0%,100%{transform:translate3d(0,0,0) scale(1.1)}50%{transform:translate3d(-14vw,-9vh,0) scale(.9)}}
@keyframes drift3{0%,100%{transform:translate3d(0,0,0) scale(.95)}50%{transform:translate3d(-9vw,10vh,0) scale(1.15)}}

#particles{position:fixed;inset:0;z-index:-3;pointer-events:none}

/* perspective floor grid */
.grid-floor{position:fixed;left:0;right:0;bottom:0;height:46vh;z-index:-2;
  perspective:340px;perspective-origin:50% 0%;pointer-events:none;
  -webkit-mask-image:linear-gradient(to bottom,transparent,#000 55%,transparent);
          mask-image:linear-gradient(to bottom,transparent,#000 55%,transparent);}
.grid-inner{position:absolute;inset:-100% 0 -60% 0;
  background-image:
    linear-gradient(rgba(255,95,143,.30) 1px,transparent 1px),
    linear-gradient(90deg,rgba(139,92,246,.22) 1px,transparent 1px);
  background-size:80px 80px;
  transform:rotateX(72deg);
  transform-origin:50% 0;
  animation:floorMove 12s linear infinite;
  opacity:.6}
@keyframes floorMove{to{background-position:0 80px,0 0}}

.vignette{position:fixed;inset:0;z-index:-1;pointer-events:none;
  background:radial-gradient(ellipse at 50% 45%,transparent 45%,rgba(3,1,6,.72) 100%)}

.cursor-glow{position:fixed;width:520px;height:520px;left:0;top:0;z-index:1;pointer-events:none;
  border-radius:50%;transform:translate(-50%,-50%);opacity:0;transition:opacity .5s;
  background:radial-gradient(circle,rgba(255,95,143,.13),transparent 62%);mix-blend-mode:screen}

/* =========================================================
   2. PRELOADER
   ========================================================= */
#preloader{position:fixed;inset:0;z-index:9999;background:#07030c;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:34px;
  transition:opacity .9s ease,visibility .9s}
#preloader.done{opacity:0;visibility:hidden}
.pre-scene{perspective:900px;height:190px;display:grid;place-items:center}
.pre-text{font-family:var(--serif);font-style:italic;font-size:1.3rem;color:var(--rose-soft);letter-spacing:.06em}
.pre-text .dots i{animation:blinkDot 1.4s infinite;opacity:.2;font-style:normal}
.pre-text .dots i:nth-child(2){animation-delay:.2s}
.pre-text .dots i:nth-child(3){animation-delay:.4s}
@keyframes blinkDot{0%,100%{opacity:.2}50%{opacity:1}}
.pre-bar{width:220px;height:2px;background:rgba(255,255,255,.12);border-radius:2px;overflow:hidden}
.pre-bar span{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--rose),var(--gold));
  animation:loadBar 2.2s cubic-bezier(.6,0,.2,1) forwards}
@keyframes loadBar{to{width:100%}}

/* =========================================================
   3. THE EXTRUDED 3D HEART  (layers built in JS)
   ========================================================= */
.heart-3d{
  position:relative;width:230px;height:230px;
  transform-style:preserve-3d;
  animation:heartSpin 14s linear infinite, heartBeat 1.6s ease-in-out infinite;
}
.heart-3d .layer{
  position:absolute;left:50%;top:50%;width:230px;height:230px;margin:-115px 0 0 -115px;
  clip-path:path("M115,203 C47,153 25,121 25,88 A45,45 0 0 1 115,88 A45,45 0 0 1 205,88 C205,121 183,153 115,203 Z");
  background:var(--lc,#ff4d7e);
  will-change:transform;
}
.heart-3d.small{width:184px;height:184px}
.heart-3d.pre{width:120px;height:120px;animation:heartSpin 6s linear infinite,heartBeat 1.2s ease-in-out infinite}
@keyframes heartSpin{from{transform:rotateY(0deg) rotateX(8deg)}to{transform:rotateY(360deg) rotateX(8deg)}}
@keyframes heartBeat{0%,100%{scale:1}14%{scale:1.09}28%{scale:1}42%{scale:1.06}56%{scale:1}}

.heart-scene{position:relative;display:grid;place-items:center;perspective:1100px;
  width:min(430px,80vw);height:min(430px,80vw);flex:none}
.heart-scene::before,.forever-heart-scene::before{content:"";position:absolute;
  width:74%;height:74%;border-radius:50%;pointer-events:none;
  background:radial-gradient(circle,rgba(255,60,110,.45),rgba(255,60,110,.12) 45%,transparent 70%);
  filter:blur(26px);animation:glowPulse 1.6s ease-in-out infinite}
@keyframes glowPulse{0%,100%{transform:scale(1);opacity:.85}20%{transform:scale(1.12);opacity:1}}

.heart-ring{position:absolute;border:1px solid rgba(255,140,180,.34);border-radius:50%;
  transform-style:preserve-3d;pointer-events:none}
.heart-ring.r1{width:300px;height:300px;animation:ring1 11s linear infinite;
  box-shadow:0 0 30px rgba(255,95,143,.18) inset}
.heart-ring.r2{width:370px;height:370px;border-color:rgba(160,120,255,.30);animation:ring2 16s linear infinite}
.heart-ring.r3{width:430px;height:430px;border-style:dashed;border-color:rgba(255,214,165,.22);animation:ring3 24s linear infinite}
@keyframes ring1{from{transform:rotateX(74deg) rotateZ(0)}to{transform:rotateX(74deg) rotateZ(360deg)}}
@keyframes ring2{from{transform:rotateX(68deg) rotateY(22deg) rotateZ(360deg)}to{transform:rotateX(68deg) rotateY(22deg) rotateZ(0)}}
@keyframes ring3{from{transform:rotateX(80deg) rotateZ(0)}to{transform:rotateX(80deg) rotateZ(360deg)}}
.heart-shadow{position:absolute;bottom:6%;width:210px;height:34px;border-radius:50%;
  background:radial-gradient(ellipse,rgba(255,60,110,.42),transparent 70%);filter:blur(9px);
  animation:shadowPulse 1.6s ease-in-out infinite}
@keyframes shadowPulse{0%,100%{transform:scale(1);opacity:.6}20%{transform:scale(.86);opacity:.9}}

/* =========================================================
   4. LAYOUT / SECTIONS
   ========================================================= */
.section{position:relative;min-height:100vh;display:flex;flex-direction:column;
  justify-content:center;padding:110px 26px}
.wrap{width:100%;max-width:1180px;margin:0 auto;text-align:center}

.kicker{font-family:var(--sans);font-size:.72rem;letter-spacing:.42em;text-transform:uppercase;
  color:var(--rose-soft);opacity:.85;margin-bottom:16px}
.sec-title{font-family:var(--serif);font-weight:300;font-size:clamp(2.4rem,6vw,4.6rem);
  line-height:1.05;letter-spacing:.01em;margin-bottom:18px;
  background:linear-gradient(180deg,#fff 0%,#ffd0e0 45%,#ff6f9c 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  text-shadow:0 22px 44px rgba(255,60,110,.14)}
.sec-sub{max-width:640px;margin:0 auto 62px;color:var(--muted);font-size:1.02rem;line-height:1.85;font-weight:200}

/* =========================================================
   5. HERO
   ========================================================= */
.hero{padding-top:60px}
.hero-stage{display:flex;align-items:center;justify-content:center;gap:clamp(24px,6vw,90px);
  flex-wrap:wrap;max-width:1220px;margin:0 auto}
.hero-text{max-width:620px;text-align:left}

.eyebrow{font-size:.74rem;letter-spacing:.36em;text-transform:uppercase;color:var(--rose-soft);margin-bottom:22px}

/* Extruded 3D text using layered text-shadows */
.title-3d{font-family:var(--serif);font-weight:700;font-size:clamp(3.4rem,9vw,6.4rem);
  line-height:.98;letter-spacing:-.01em;margin-bottom:6px;
  perspective:800px;display:flex;flex-wrap:wrap}
.title-3d span{
  display:inline-block;color:#fff;
  text-shadow:
    0 1px 0 #ffb3c9, 0 2px 0 #ff9ab8, 0 3px 0 #ff7fa5,
    0 4px 0 #f4658f, 0 5px 0 #e04f7b, 0 6px 0 #c93e68,
    0 7px 0 #b02f57, 0 8px 0 #952346,
    0 10px 18px rgba(0,0,0,.55), 0 18px 40px rgba(255,60,110,.35);
  transform-origin:50% 100%;
  animation:letterFloat 3.6s ease-in-out infinite;
}
.title-3d span.sp{width:.28em}
.title-3d span:nth-child(1){animation-delay:0s}
.title-3d span:nth-child(2){animation-delay:.08s}
.title-3d span:nth-child(3){animation-delay:.16s}
.title-3d span:nth-child(5){animation-delay:.30s}
.title-3d span:nth-child(6){animation-delay:.38s}
.title-3d span:nth-child(7){animation-delay:.46s}
.title-3d span:nth-child(8){animation-delay:.54s}
.title-3d span:nth-child(9){animation-delay:.62s}
@keyframes letterFloat{0%,100%{transform:translateY(0) rotateX(0)}50%{transform:translateY(-11px) rotateX(16deg)}}

.name-3d{font-family:var(--script);font-weight:700;font-size:clamp(2.1rem,5.6vw,3.6rem);
  color:#ffe6ef;margin-bottom:26px;letter-spacing:.01em;
  text-shadow:0 1px 0 #ff8fb0,0 2px 0 #f56f97,0 3px 0 #e0537e,0 4px 0 #c33f66,
              0 8px 22px rgba(255,60,110,.5),0 0 40px rgba(255,95,143,.35);
  animation:namePulse 4s ease-in-out infinite}
@keyframes namePulse{0%,100%{filter:brightness(1)}50%{filter:brightness(1.18)}}

.lead{color:#e6d6e2;font-size:1.06rem;line-height:1.9;font-weight:200;margin-bottom:22px;max-width:560px}

.typed-line{font-family:var(--serif);font-style:italic;font-size:1.24rem;color:var(--gold);
  min-height:1.9em;margin-bottom:18px}
.caret{display:inline-block;width:2px;height:1.05em;background:var(--gold);vertical-align:-.16em;
  margin-left:3px;animation:caretBlink .9s steps(1) infinite}
@keyframes caretBlink{50%{opacity:0}}

.signature{font-family:var(--script);font-size:1.6rem;color:var(--rose-soft);margin-bottom:34px}

/* 3D push button */
.btn-3d{position:relative;display:inline-block;border:0;background:none;padding:0;
  font-family:var(--sans);font-size:.94rem;letter-spacing:.14em;text-transform:uppercase;
  text-decoration:none;cursor:pointer;transform-style:preserve-3d;perspective:600px}
.btn-3d span{display:block;padding:17px 40px;border-radius:60px;color:#fff;
  background:linear-gradient(135deg,var(--rose) 0%,var(--rose-deep) 55%,var(--violet) 130%);
  box-shadow:0 7px 0 #8e1e42,0 14px 30px rgba(255,60,110,.42),inset 0 1px 0 rgba(255,255,255,.35);
  transition:transform .16s cubic-bezier(.3,1.4,.5,1),box-shadow .16s}
.btn-3d:hover span{transform:translateY(-4px) rotateX(12deg);
  box-shadow:0 11px 0 #8e1e42,0 22px 44px rgba(255,60,110,.55),inset 0 1px 0 rgba(255,255,255,.4)}
.btn-3d:active span{transform:translateY(5px);box-shadow:0 2px 0 #8e1e42,0 6px 14px rgba(255,60,110,.4)}
.btn-3d.no span{background:linear-gradient(135deg,#4a3a55,#2c2135);box-shadow:0 7px 0 #1b1322,0 14px 26px rgba(0,0,0,.5)}

/* scroll cue */
.scroll-cue{position:absolute;bottom:34px;left:50%;transform:translateX(-50%);
  text-decoration:none;color:var(--muted);display:grid;justify-items:center;gap:9px;z-index:3}
.scroll-cue em{font-style:normal;font-size:.62rem;letter-spacing:.4em;text-transform:uppercase}
.mouse{width:24px;height:39px;border:1.5px solid rgba(255,255,255,.35);border-radius:14px;
  display:grid;justify-items:center;padding-top:7px}
.mouse i{width:3px;height:7px;border-radius:3px;background:var(--rose-soft);animation:wheel 1.7s infinite}
@keyframes wheel{0%{transform:translateY(0);opacity:1}70%{transform:translateY(14px);opacity:0}100%{opacity:0}}

/* =========================================================
   6. 3D LETTER (flip)
   ========================================================= */
.letter-scene{perspective:1600px;margin:0 auto 78px;width:min(560px,92vw);height:min(390px,64vw)}
.letter-3d{position:relative;width:100%;height:100%;transform-style:preserve-3d;cursor:pointer;
  transition:transform 1.25s cubic-bezier(.6,.05,.2,1);
  animation:letterHover 6s ease-in-out infinite}
.letter-3d.open{transform:rotateY(180deg);animation:none}
@keyframes letterHover{0%,100%{transform:translateY(0) rotateX(4deg) rotateY(-6deg)}
  50%{transform:translateY(-14px) rotateX(-3deg) rotateY(6deg)}}
.letter-face{position:absolute;inset:0;backface-visibility:hidden;border-radius:18px;
  display:grid;place-content:center;text-align:center;padding:34px;overflow:hidden}
.letter-face.front{
  background:linear-gradient(150deg,#fff4f7 0%,#ffe2ea 48%,#ffcfdd 100%);
  color:#5c1b32;border:1px solid rgba(255,255,255,.7);
  box-shadow:0 40px 80px rgba(0,0,0,.55),0 0 0 1px rgba(255,255,255,.25) inset}
.letter-face.front::after{content:"";position:absolute;inset:0;
  background:linear-gradient(115deg,transparent 38%,rgba(255,255,255,.75) 50%,transparent 62%);
  transform:translateX(-120%);animation:sheen 5.5s ease-in-out infinite}
@keyframes sheen{0%,62%{transform:translateX(-120%)}88%,100%{transform:translateX(120%)}}
.wax{width:74px;height:74px;border-radius:50%;margin:0 auto 20px;display:grid;place-items:center;
  font-size:2rem;color:#fff;background:radial-gradient(circle at 34% 30%,#ff6b91,#a51f45);
  box-shadow:0 10px 22px rgba(165,31,69,.5),inset 0 -4px 10px rgba(0,0,0,.3),inset 0 4px 8px rgba(255,255,255,.4)}
.letter-face .to{font-family:var(--script);font-size:2.5rem;color:#a51f45;line-height:1.1}
.letter-face .from{font-family:var(--serif);font-style:italic;font-size:1.02rem;margin-top:6px;color:#8d3a55}
.letter-face .tap{display:inline-block;margin-top:24px;font-size:.66rem;letter-spacing:.34em;
  text-transform:uppercase;color:#b3547a;animation:tapPulse 2s ease-in-out infinite}
@keyframes tapPulse{0%,100%{opacity:.45}50%{opacity:1}}
.letter-face.back{transform:rotateY(180deg);
  background:linear-gradient(160deg,#fffaf6,#ffeef3);color:#3e1524;
  border:1px solid rgba(255,255,255,.6);box-shadow:0 40px 80px rgba(0,0,0,.55);
  place-content:start;text-align:left;overflow-y:auto}
.letter-body h3{font-family:var(--script);font-size:2rem;color:#a51f45;margin-bottom:12px}
.letter-body p{font-family:var(--serif);font-size:1.02rem;line-height:1.72;margin-bottom:11px}
.letter-body .sign{font-family:var(--script);font-size:1.35rem;color:#a51f45;margin-top:8px}

/* =========================================================
   7. TILT CARDS
   ========================================================= */
.sorry-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(268px,1fr));gap:26px;
  max-width:1000px;margin:0 auto;perspective:1200px}
.tilt-card{transform-style:preserve-3d;will-change:transform;transition:transform .12s ease-out}
.tc-in{position:relative;padding:38px 30px;border-radius:20px;height:100%;text-align:left;
  background:linear-gradient(160deg,rgba(255,255,255,.09),rgba(255,255,255,.02));
  border:1px solid var(--glass-line);backdrop-filter:blur(14px);
  box-shadow:0 26px 54px rgba(0,0,0,.46);overflow:hidden;transform:translateZ(0)}
.tc-glow{position:absolute;width:280px;height:280px;border-radius:50%;pointer-events:none;
  left:var(--mx,50%);top:var(--my,50%);transform:translate(-50%,-50%);opacity:0;transition:opacity .35s;
  background:radial-gradient(circle,rgba(255,95,143,.30),transparent 68%)}
.tilt-card:hover .tc-glow{opacity:1}
.tc-in h4{font-family:var(--serif);font-size:1.55rem;font-weight:500;margin-bottom:12px;color:#fff;
  transform:translateZ(40px)}
.tc-in p{color:var(--muted);line-height:1.8;font-size:.95rem;font-weight:200;transform:translateZ(22px)}

/* =========================================================
   8. THE 3D LOVE GALLERY (cylinder carousel)
   ========================================================= */
.gallery-stage{position:relative;padding-bottom:26px}
.carousel-scene{perspective:1500px;perspective-origin:50% 42%;height:440px;
  display:grid;place-items:center;touch-action:pan-y;cursor:grab}
.carousel-scene.grabbing{cursor:grabbing}
.carousel{position:relative;width:270px;height:360px;transform-style:preserve-3d;
  will-change:transform}

.g-card{position:absolute;inset:0;transform-style:preserve-3d;backface-visibility:hidden;
  border-radius:20px;padding:34px 26px;display:flex;flex-direction:column;
  justify-content:center;gap:14px;text-align:center;
  background:linear-gradient(165deg,rgba(255,255,255,.13),rgba(255,255,255,.03));
  border:1px solid rgba(255,255,255,.22);
  box-shadow:0 30px 60px rgba(0,0,0,.5),inset 0 1px 0 rgba(255,255,255,.3);
  backdrop-filter:blur(10px);
  transition:box-shadow .4s,border-color .4s}
.g-card::before{content:"";position:absolute;inset:0;border-radius:20px;pointer-events:none;
  background:linear-gradient(150deg,rgba(255,255,255,.28),transparent 42%);opacity:.7}
.g-card.active{border-color:rgba(255,150,185,.75);
  box-shadow:0 30px 70px rgba(0,0,0,.55),0 0 44px rgba(255,95,143,.45),inset 0 1px 0 rgba(255,255,255,.4)}
.g-icon{font-size:2.3rem;line-height:1;filter:drop-shadow(0 6px 14px rgba(255,60,110,.55))}
.g-no{font-size:.62rem;letter-spacing:.34em;color:var(--rose-soft);text-transform:uppercase}
.g-card h3{font-family:var(--serif);font-weight:500;font-size:1.5rem;color:#fff;line-height:1.2}
.g-card p{font-size:.9rem;line-height:1.75;color:#d9c6d5;font-weight:200}
.g-card .g-sig{font-family:var(--script);font-size:1.05rem;color:var(--gold);margin-top:2px}

.gallery-plinth{width:min(660px,88vw);height:120px;margin:-46px auto 0;border-radius:50%;
  background:radial-gradient(ellipse at 50% 40%,rgba(255,95,143,.24),transparent 70%);
  filter:blur(16px)}

.gallery-controls{display:flex;align-items:center;justify-content:center;gap:26px;margin-top:8px}
.gbtn{width:52px;height:52px;border-radius:50%;border:1px solid var(--glass-line);
  background:rgba(255,255,255,.06);color:#fff;font-size:1.5rem;cursor:pointer;
  backdrop-filter:blur(8px);transition:transform .2s,background .2s,box-shadow .2s}
.gbtn:hover{background:var(--rose);transform:translateY(-3px) scale(1.08);box-shadow:0 12px 26px rgba(255,60,110,.5)}
.gcount{font-family:var(--serif);font-size:1.1rem;color:var(--muted);letter-spacing:.1em}
.gcount b{color:#fff;font-weight:500}
.drag-hint{margin-top:18px;font-size:.64rem;letter-spacing:.32em;text-transform:uppercase;color:#7c6a80}

/* =========================================================
   9. 3D CUBE
   ========================================================= */
.cube-stage{position:relative}
.cube-scene{perspective:1400px;height:400px;display:grid;place-items:center;
  touch-action:pan-y;cursor:grab}
.cube-scene.grabbing{cursor:grabbing}
.cube{position:relative;width:250px;height:250px;transform-style:preserve-3d;
  will-change:transform}
.cube .face{position:absolute;width:250px;height:250px;padding:26px 22px;border-radius:14px;
  backface-visibility:hidden;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;text-align:center;
  background:linear-gradient(160deg,rgba(255,95,143,.20),rgba(139,92,246,.16));
  border:1px solid rgba(255,255,255,.28);backdrop-filter:blur(6px);
  box-shadow:inset 0 0 42px rgba(255,95,143,.22),0 0 26px rgba(255,95,143,.14)}
.cube .fnum{font-size:.6rem;letter-spacing:.4em;color:var(--gold)}
.cube h3{font-family:var(--serif);font-weight:500;font-size:1.42rem;color:#fff}
.cube p{font-size:.84rem;line-height:1.7;color:#e4d3e0;font-weight:200}
.cube .f1{transform:rotateY(0deg)   translateZ(125px)}
.cube .f2{transform:rotateY(90deg)  translateZ(125px)}
.cube .f3{transform:rotateY(180deg) translateZ(125px)}
.cube .f4{transform:rotateY(-90deg) translateZ(125px)}
.cube .f5{transform:rotateX(90deg)  translateZ(125px)}
.cube .f6{transform:rotateX(-90deg) translateZ(125px)}
.cube-shadow{width:250px;height:44px;margin:-16px auto 0;border-radius:50%;
  background:radial-gradient(ellipse,rgba(255,95,143,.35),transparent 70%);filter:blur(14px)}
.cube-hint{margin-top:26px;font-size:.64rem;letter-spacing:.32em;text-transform:uppercase;color:#7c6a80}

/* =========================================================
   10. PROMISES
   ========================================================= */
.promise-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:24px;
  max-width:1060px;margin:0 auto;perspective:1400px}
.promise{position:relative;padding:34px 28px 32px;border-radius:18px;text-align:left;
  background:linear-gradient(160deg,rgba(255,255,255,.075),rgba(255,255,255,.015));
  border:1px solid var(--glass-line);backdrop-filter:blur(12px);
  box-shadow:0 24px 48px rgba(0,0,0,.44);
  transform-style:preserve-3d;transition:transform .5s cubic-bezier(.2,.8,.3,1),box-shadow .5s,border-color .5s}
.promise:hover{transform:translateY(-12px) rotateX(9deg) rotateY(-5deg) scale(1.03);
  border-color:rgba(255,150,185,.55);box-shadow:0 40px 70px rgba(0,0,0,.55),0 0 40px rgba(255,95,143,.28)}
.promise .p-no{font-family:var(--serif);font-size:2.6rem;color:rgba(255,255,255,.10);
  position:absolute;top:14px;right:22px;line-height:1}
.promise h4{font-family:var(--serif);font-weight:500;font-size:1.36rem;color:#fff;margin-bottom:10px;
  transform:translateZ(30px)}
.promise p{color:var(--muted);line-height:1.8;font-size:.93rem;font-weight:200;transform:translateZ(16px)}

/* =========================================================
   11. FINALE
   ========================================================= */
.finale{padding-bottom:0}
.forever-title{font-family:var(--serif);font-weight:300;font-size:clamp(2.3rem,7.4vw,5.4rem);
  line-height:1.06;color:#fff;margin-bottom:44px;
  text-shadow:0 2px 0 #ff8fb0,0 4px 0 #e0537e,0 20px 46px rgba(255,60,110,.4)}
.forever-title span{font-family:var(--script);font-weight:700;
  background:linear-gradient(120deg,#ffd6a5,#ff5f8f 45%,#c084fc);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  text-shadow:none;filter:drop-shadow(0 12px 26px rgba(255,60,110,.5));display:inline-block;
  animation:foreverGlow 5s ease-in-out infinite}
@keyframes foreverGlow{0%,100%{filter:drop-shadow(0 12px 26px rgba(255,60,110,.45))}
  50%{filter:drop-shadow(0 12px 42px rgba(255,95,143,.85))}}

.forever-heart-scene{position:relative;perspective:1000px;display:grid;place-items:center;margin-bottom:42px;height:220px}


.forever-text{max-width:760px;margin:0 auto 60px;font-family:var(--serif);font-size:1.14rem;
  line-height:2;color:#e8d9e4;font-weight:300}
.forever-text .bn{font-family:var(--script);font-size:1.7rem;color:var(--gold);font-weight:700}

.forgive-box{margin-bottom:40px}
.ask{font-family:var(--script);font-size:clamp(2rem,5vw,3rem);color:#fff;margin-bottom:30px;
  text-shadow:0 8px 26px rgba(255,60,110,.5)}
.forgive-btns{display:flex;gap:20px;justify-content:center;flex-wrap:wrap;position:relative;min-height:64px}
.btn-3d.no{transition:transform .35s cubic-bezier(.3,1.3,.5,1)}

.thankyou{max-width:660px;margin:0 auto;opacity:0;transform:translateY(40px) scale(.94);
  pointer-events:none;transition:opacity .9s ease,transform .9s cubic-bezier(.2,.9,.3,1);height:0;overflow:hidden}
.thankyou.show{opacity:1;transform:none;height:auto;pointer-events:auto;margin-bottom:40px}
.ty-inner{padding:46px 34px;border-radius:24px;
  background:linear-gradient(160deg,rgba(255,255,255,.11),rgba(255,255,255,.03));
  border:1px solid rgba(255,150,185,.42);backdrop-filter:blur(14px);
  box-shadow:0 34px 70px rgba(0,0,0,.5),0 0 60px rgba(255,95,143,.24)}
.ty-heart{font-size:3.2rem;color:var(--rose);animation:heartBeat 1.3s ease-in-out infinite;
  filter:drop-shadow(0 8px 20px rgba(255,60,110,.7))}
.ty-inner h3{font-family:var(--serif);font-weight:500;font-size:1.85rem;color:#fff;margin:14px 0 14px}
.ty-inner p{color:#dcc9d8;line-height:1.9;font-weight:200}
.ty-sign{font-family:var(--script);font-size:1.35rem;color:var(--gold);margin-top:20px}
.ty-sign b{font-weight:700}

.foot{padding:66px 20px 46px;text-align:center;border-top:1px solid rgba(255,255,255,.07);margin-top:46px}
.foot-line{font-family:var(--serif);font-style:italic;color:var(--muted);margin-bottom:12px}
.foot-names{font-family:var(--script);font-size:1.5rem;color:#fff}
.foot-names b{background:linear-gradient(120deg,#ffd6a5,#ff5f8f);-webkit-background-clip:text;
  background-clip:text;color:transparent}

/* =========================================================
   12. NAV DOTS
   ========================================================= */
.dots-nav{position:fixed;right:24px;top:50%;transform:translateY(-50%);z-index:60;
  display:grid;gap:16px}
.dots-nav a{position:relative;width:12px;height:12px;display:grid;place-items:center}
.dots-nav a span{width:8px;height:8px;border-radius:50%;background:rgba(255,255,255,.26);
  transition:all .35s;display:block}
.dots-nav a:hover span{background:var(--rose-soft);transform:scale(1.4)}
.dots-nav a.active span{background:var(--rose);box-shadow:0 0 0 5px rgba(255,95,143,.20),0 0 16px var(--rose);
  transform:scale(1.35)}
.dots-nav a::after{content:attr(data-label);position:absolute;right:26px;top:50%;
  transform:translateY(-50%) translateX(8px);white-space:nowrap;font-size:.62rem;letter-spacing:.2em;
  text-transform:uppercase;color:#fff;background:rgba(20,8,28,.85);padding:6px 11px;border-radius:20px;
  border:1px solid var(--glass-line);opacity:0;pointer-events:none;transition:all .3s}
.dots-nav a:hover::after{opacity:1;transform:translateY(-50%) translateX(0)}

/* =========================================================
   13. REVEAL ON SCROLL
   ========================================================= */
.reveal{opacity:0;transform:translateY(46px);filter:blur(6px);
  transition:opacity 1s cubic-bezier(.2,.8,.3,1),transform 1s cubic-bezier(.2,.8,.3,1),filter 1s}
.reveal.in{opacity:1;transform:none;filter:none}

/* floating hearts burst */
.burst-heart{position:fixed;z-index:200;pointer-events:none;font-size:20px;color:var(--rose);
  will-change:transform,opacity}

/* =========================================================
   14. RESPONSIVE
   ========================================================= */
@media(max-width:900px){
  .hero-stage{flex-direction:column;text-align:center}
  .hero-text{text-align:center;max-width:100%}
  .title-3d{justify-content:center}
  .lead{margin-left:auto;margin-right:auto}
  .dots-nav{right:12px}
}
@media(max-width:640px){
  .section{padding:88px 18px}
  .heart-scene{width:min(320px,86vw);height:min(320px,86vw)}
  .heart-ring.r1{width:220px;height:220px}
  .heart-ring.r2{width:270px;height:270px}
  .heart-ring.r3{width:310px;height:310px}
  .carousel-scene{height:390px}
  .cube-scene{height:340px}
  .letter-scene{height:420px}
  .letter-face{padding:24px}
  .letter-body p{font-size:.94rem}
  .dots-nav{display:none}
}

@media(prefers-reduced-motion:reduce){
  *{animation-duration:.01ms !important;animation-iteration-count:1 !important;
    transition-duration:.01ms !important}
  html{scroll-behavior:auto}
}