/* ============================================================
   FOR YOU, MY LOVE ❤️  —  Premium Romantic Experience
   Modular, well-commented stylesheet
   Sections:
   0. Tokens & Theme     1. Reset & Base       2. Backgrounds
   3. Loader             4. Topbar & Player    5. Buttons
   6. Hero               7. Letter             8. Memories
   9. Reasons            10. Love Meter        11. Quiz
   12. Timeline          13. Gift Box          14. Promises
   15. Countdown         16. Coupons           17. Puzzle
   18. Scratch           19. Finale & Footer   20. Notes/Toast
   21. Responsive
   ============================================================ */

/* ---------- 0. DESIGN TOKENS & THEME ---------- */
:root {
  --pink: #ff4d8d;
  --pink-soft: #ff8fb3;
  --purple: #9b5cff;
  --purple-deep: #6a2cbf;
  --red: #ff3b5c;
  --gold: #ffd479;
  --gold-deep: #e6a94a;
  --white: #fff6fb;

  --font-hand: "Dancing Script", cursive;
  --font-script: "Great Vibes", cursive;
  --font-fancy: "Parisienne", cursive;
  --font-serif: "Playfair Display", serif;
  --font-body: "Poppins", system-ui, sans-serif;

  --radius: 22px;
  --radius-sm: 14px;
  --blur: 18px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --shadow-glow: 0 0 40px rgba(255, 77, 141, 0.45);

  /* dark defaults */
  --bg-0: #0b0616;
  --bg-1: #1a0b2e;
  --bg-2: #2a1145;
  --text: #fdeaf4;
  --text-dim: #d9b8d0;
  --glass-bg: rgba(255, 255, 255, 0.07);
  --glass-brd: rgba(255, 255, 255, 0.18);
  --card-bg: rgba(30, 12, 48, 0.55);
}

[data-theme="light"] {
  --bg-0: #fff0f6;
  --bg-1: #ffe3ef;
  --bg-2: #fbd6ec;
  --text: #4a1030;
  --text-dim: #8a4a6c;
  --glass-bg: rgba(255, 255, 255, 0.55);
  --glass-brd: rgba(255, 255, 255, 0.8);
  --card-bg: rgba(255, 255, 255, 0.75);
  --shadow-glow: 0 0 40px rgba(255, 77, 141, 0.3);
}

/* ---------- 1. RESET & BASE ---------- */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}

body {
  font-family: var(--font-body);
  color: var(--text);
  background: var(--bg-0);
  overflow-x: hidden;
  line-height: 1.6;
  min-height: 100vh;
  transition: background 0.6s var(--ease), color 0.6s var(--ease);
}

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

h1, h2, h3 { line-height: 1.15; font-weight: 700; }

.glass {
  background: var(--glass-bg);
  border: 1px solid var(--glass-brd);
  backdrop-filter: blur(var(--blur));
  -webkit-backdrop-filter: blur(var(--blur));
}

/* Generic section rhythm */
.section {
  position: relative;
  padding: clamp(60px, 10vh, 130px) clamp(18px, 5vw, 80px);
  max-width: 1280px;
  margin: 0 auto;
  z-index: 2;
}
.section__title {
  font-family: var(--font-hand);
  font-size: clamp(2.4rem, 6vw, 4.6rem);
  text-align: center;
  background: linear-gradient(100deg, var(--pink), var(--purple), var(--gold));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  filter: drop-shadow(0 4px 20px rgba(255, 77, 141, 0.35));
  margin-bottom: 12px;
}
.section__lead {
  text-align: center;
  color: var(--text-dim);
  max-width: 620px;
  margin: 0 auto clamp(30px, 5vw, 60px);
  font-size: clamp(0.95rem, 2vw, 1.15rem);
}

/* ---------- 2. BACKGROUNDS ---------- */
#particles-js {
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
}
.bg-gradient {
  position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background:
    radial-gradient(50% 60% at 15% 15%, rgba(155, 92, 255, 0.35), transparent 60%),
    radial-gradient(55% 55% at 85% 20%, rgba(255, 77, 141, 0.35), transparent 60%),
    radial-gradient(60% 60% at 50% 90%, rgba(255, 212, 121, 0.22), transparent 60%),
    linear-gradient(160deg, var(--bg-1), var(--bg-0) 60%, var(--bg-2));
  background-size: 200% 200%;
  animation: bgFlow 22s ease-in-out infinite;
}
@keyframes bgFlow {
  0%, 100% { background-position: 0% 0%, 100% 0%, 50% 100%, 0% 0%; }
  50% { background-position: 20% 30%, 80% 20%, 40% 80%, 100% 100%; }
}

.hearts-rain {
  position: fixed; inset: 0; z-index: 1; pointer-events: none; overflow: hidden;
}
.hearts-rain i {
  position: absolute; top: -40px; color: var(--pink-soft);
  opacity: 0.6; animation: fall linear infinite;
  filter: drop-shadow(0 0 6px rgba(255, 77, 141, 0.6));
}
@keyframes fall {
  to { transform: translateY(110vh) rotate(360deg); opacity: 0; }
}

.mouse-glow {
  position: fixed; width: 500px; height: 500px; border-radius: 50%;
  pointer-events: none; z-index: 1; transform: translate(-50%, -50%);
  background: radial-gradient(circle, rgba(255, 77, 141, 0.18), transparent 65%);
  transition: opacity 0.4s; opacity: 0;
}

#cursorTrail {
  position: fixed; inset: 0; z-index: 9998; pointer-events: none;
}

.scroll-progress {
  position: fixed; top: 0; left: 0; height: 4px; width: 100%;
  z-index: 9999; background: rgba(255, 255, 255, 0.06);
}
.scroll-progress span {
  display: block; height: 100%; width: 0%;
  background: linear-gradient(90deg, var(--pink), var(--purple), var(--gold));
  box-shadow: 0 0 14px var(--pink);
}

/* ---------- 3. LOADER ---------- */
.loader {
  position: fixed; inset: 0; z-index: 10000;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 26px; background: radial-gradient(circle at 50% 40%, #2a1145, #0b0616 75%);
  transition: opacity 0.9s var(--ease), visibility 0.9s;
}
.loader.hidden { opacity: 0; visibility: hidden; }

.loader__heart {
  width: 90px; height: 90px; position: relative; transform: rotate(-45deg);
  background: linear-gradient(135deg, var(--pink), var(--red));
  border-radius: 0 0 12px 12px; animation: beat 1.1s infinite;
  box-shadow: var(--shadow-glow);
}
.loader__heart::before, .loader__heart::after {
  content: ""; position: absolute; width: 90px; height: 90px; border-radius: 50%;
  background: linear-gradient(135deg, var(--pink), var(--red));
}
.loader__heart::before { top: -45px; left: 0; }
.loader__heart::after { top: 0; right: -45px; }
.loader__pulse {
  position: absolute; inset: 0; border-radius: inherit;
  box-shadow: 0 0 0 0 rgba(255, 77, 141, 0.6); animation: pulse 1.1s infinite;
}
@keyframes beat { 0%,100%{transform:rotate(-45deg) scale(1);} 25%{transform:rotate(-45deg) scale(1.15);} 40%{transform:rotate(-45deg) scale(0.95);} }
@keyframes pulse { 0%{box-shadow:0 0 0 0 rgba(255,77,141,0.6);} 100%{box-shadow:0 0 0 60px rgba(255,77,141,0);} }

.loader__text { font-family: var(--font-hand); font-size: 1.9rem; color: var(--white); }
.dots i { animation: blink 1.4s infinite; opacity: 0; }
.dots i:nth-child(2){ animation-delay: .2s; } .dots i:nth-child(3){ animation-delay: .4s; }
@keyframes blink { 0%,100%{opacity:0;} 50%{opacity:1;} }

.loader__bar { width: min(280px, 70vw); height: 6px; border-radius: 99px; background: rgba(255,255,255,.12); overflow: hidden; }
.loader__bar span { display: block; height: 100%; width: 0%; background: linear-gradient(90deg, var(--pink), var(--gold)); transition: width .3s; }
.loader__music {
  width: 52px; height: 52px; border-radius: 50%; border: 1px solid var(--glass-brd);
  background: var(--glass-bg); color: var(--white); cursor: pointer; font-size: 1.1rem;
  backdrop-filter: blur(10px); transition: transform .3s, background .3s;
}
.loader__music:hover { transform: scale(1.1); background: var(--pink); }
.loader__music.muted { opacity: .55; }
.loader__hint { color: var(--text-dim); font-size: .85rem; }

/* ---------- 4. TOPBAR & MUSIC PLAYER ---------- */
.topbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 9000;
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px clamp(16px, 4vw, 44px);
  transition: background .4s, backdrop-filter .4s;
}
.topbar.scrolled { background: var(--glass-bg); backdrop-filter: blur(12px); border-bottom: 1px solid var(--glass-brd); }
.topbar__brand { color: var(--text); text-decoration: none; font-family: var(--font-hand); font-size: 1.5rem; display: flex; align-items: center; gap: 8px; }
.topbar__brand i { color: var(--pink); animation: beatMini 1.4s infinite; }
@keyframes beatMini { 0%,100%{transform:scale(1);} 30%{transform:scale(1.25);} }
.topbar__actions { display: flex; gap: 10px; }
.ctrl-btn {
  width: 46px; height: 46px; border-radius: 50%; cursor: pointer;
  border: 1px solid var(--glass-brd); background: var(--glass-bg); color: var(--text);
  backdrop-filter: blur(10px); font-size: 1rem; transition: transform .3s, background .3s, color .3s;
}
.ctrl-btn:hover { transform: translateY(-3px) scale(1.05); background: var(--pink); color: #fff; }

.music-player {
  position: fixed; bottom: 22px; left: 22px; z-index: 9000;
  display: flex; align-items: center; gap: 12px; padding: 10px 16px 10px 10px;
  border-radius: 99px; background: var(--glass-bg); border: 1px solid var(--glass-brd);
  backdrop-filter: blur(14px); box-shadow: 0 8px 30px rgba(0,0,0,.3);
  transform: translateY(140%); transition: transform .6s var(--ease);
}
.music-player.show { transform: translateY(0); }
.music-player__btn {
  width: 44px; height: 44px; border-radius: 50%; border: none; cursor: pointer;
  background: linear-gradient(135deg, var(--pink), var(--purple)); color: #fff; font-size: 1rem;
  box-shadow: var(--shadow-glow); transition: transform .3s;
}
.music-player__btn:hover { transform: scale(1.1); }
.music-player__title { font-size: .8rem; color: var(--text-dim); display: block; font-family: var(--font-hand); }
.music-player__wave { display: flex; gap: 3px; align-items: flex-end; height: 16px; }
.music-player__wave i { width: 3px; background: var(--pink); border-radius: 2px; height: 4px; animation: wave 1s infinite ease-in-out; }
.music-player__wave i:nth-child(2){animation-delay:.15s;} .music-player__wave i:nth-child(3){animation-delay:.3s;}
.music-player__wave i:nth-child(4){animation-delay:.45s;} .music-player__wave i:nth-child(5){animation-delay:.6s;}
.music-player.paused .music-player__wave i { animation-play-state: paused; }
@keyframes wave { 0%,100%{height:4px;} 50%{height:16px;} }

/* ---------- 5. BUTTONS ---------- */
.btn-heart {
  position: relative; display: inline-flex; align-items: center; gap: 12px;
  padding: 16px 38px; border: none; cursor: pointer; border-radius: 99px;
  font-family: var(--font-body); font-weight: 600; font-size: 1.05rem; color: #fff;
  background: linear-gradient(135deg, var(--pink), var(--purple));
  box-shadow: 0 10px 40px rgba(255, 77, 141, 0.5); overflow: hidden;
  transition: transform .3s var(--ease), box-shadow .3s;
}
.btn-heart::after {
  content: ""; position: absolute; inset: 0; background: linear-gradient(135deg, var(--purple), var(--pink));
  opacity: 0; transition: opacity .4s;
}
.btn-heart span, .btn-heart i { position: relative; z-index: 1; }
.btn-heart i { animation: beatMini 1.3s infinite; }
.btn-heart:hover { transform: translateY(-4px) scale(1.04); box-shadow: 0 16px 50px rgba(155, 92, 255, 0.6); }
.btn-heart:hover::after { opacity: 1; }
.btn-heart--gold { background: linear-gradient(135deg, var(--gold), var(--pink)); box-shadow: 0 10px 40px rgba(255, 212, 121, 0.5); }

.btn-soft {
  padding: 12px 28px; border-radius: 99px; cursor: pointer; font-weight: 500;
  border: 1px solid var(--glass-brd); background: var(--glass-bg); color: var(--text);
  backdrop-filter: blur(10px); transition: transform .3s, background .3s;
}
.btn-soft:hover { transform: translateY(-2px); background: var(--pink); color: #fff; }

/* ---------- 6. HERO ---------- */
.hero {
  min-height: 100vh; display: flex; flex-direction: column; align-items: center; justify-content: center;
  text-align: center; max-width: none; padding-top: 90px;
}
.hero__inner { max-width: 900px; }
.hero__eyebrow { font-family: var(--font-fancy); font-size: clamp(1.1rem, 3vw, 1.6rem); color: var(--gold); margin-bottom: 8px; }
.hero__title { font-family: var(--font-hand); font-size: clamp(2.6rem, 9vw, 6rem); min-height: 1.2em; }
#typed { background: linear-gradient(100deg, var(--white), var(--pink-soft), var(--gold)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.typed-cursor { color: var(--pink); }
.hero__sub { color: var(--text-dim); font-size: clamp(1rem, 2.4vw, 1.3rem); margin: 18px 0 34px; font-family: var(--font-serif); font-style: italic; }

.scroll-cue { position: absolute; bottom: 28px; left: 50%; transform: translateX(-50%); width: 28px; height: 46px; border: 2px solid var(--glass-brd); border-radius: 20px; }
.scroll-cue span { position: absolute; top: 8px; left: 50%; width: 5px; height: 8px; margin-left: -2.5px; background: var(--pink); border-radius: 3px; animation: cue 1.6s infinite; }
@keyframes cue { 0%{opacity:0;transform:translateY(0);} 30%{opacity:1;} 100%{opacity:0;transform:translateY(18px);} }

/* ---------- 7. SECRET LETTER ---------- */
.letter-section { text-align: center; }
.envelope {
  position: relative; width: min(380px, 86vw); margin: 40px auto 0;
  cursor: pointer; perspective: 1400px;
  display: flex; flex-direction: column; align-items: center;
}

/* The letter lives in normal flow so the container grows to fit it
   (no overlap with the text above). Collapsed until opened. */
.envelope__letter {
  position: relative; z-index: 1; width: 94%;
  max-height: 0; opacity: 0; transform: translateY(24px) scale(.96);
  transition: max-height .9s var(--ease), opacity .6s var(--ease), transform .9s var(--ease), margin-bottom .9s var(--ease);
  pointer-events: none;
}
.envelope.open .envelope__letter {
  max-height: 1600px; opacity: 1; transform: translateY(0) scale(1);
  margin-bottom: -46px; /* tuck the bottom edge into the pocket */
  pointer-events: auto;
}
.letter-paper {
  background: linear-gradient(#fffef8, #fff4ee); color: #4a1030; padding: 26px 26px 34px;
  border-radius: 8px; text-align: left; box-shadow: 0 24px 60px rgba(0,0,0,.35);
  font-family: var(--font-serif); position: relative;
}
.letter-paper::before {
  content: ""; position: absolute; left: 18px; top: 0; bottom: 0; width: 2px;
  background: repeating-linear-gradient(transparent, transparent 26px, rgba(255,77,141,.12) 27px);
}
.letter-paper h3 { font-family: var(--font-hand); font-size: 2rem; color: var(--pink); }
.letter-paper p { margin-top: 10px; font-size: .98rem; }
.letter-paper__sign { font-family: var(--font-hand); font-size: 1.5rem; color: var(--purple-deep); margin-top: 16px; }

/* The envelope pocket (fixed graphic at the bottom) */
.envelope__pocket {
  position: relative; z-index: 2; width: 100%; height: 210px;
  filter: drop-shadow(0 20px 45px rgba(255, 77, 141, 0.35));
}
.envelope__front {
  position: absolute; inset: 0; z-index: 2; border-radius: 12px;
  background: linear-gradient(135deg, #ffb3cf, #ff7aa8);
  clip-path: polygon(0 26%, 50% 70%, 100% 26%, 100% 100%, 0 100%);
}
.envelope__flap {
  position: absolute; top: 0; left: 0; width: 100%; height: 62%; z-index: 4;
  background: linear-gradient(135deg, #ff9bc0, #ff5f96);
  clip-path: polygon(0 0, 100% 0, 50% 100%); transform-origin: top center;
  transition: transform .7s var(--ease), z-index .1s; border-radius: 12px 12px 0 0;
  backface-visibility: hidden;
}
.envelope__heart {
  position: absolute; top: 36%; left: 50%; transform: translate(-50%,-50%); z-index: 5;
  width: 46px; height: 46px; border-radius: 50%; display: grid; place-items: center;
  background: #fff; color: var(--red); font-size: 1.1rem;
  box-shadow: 0 4px 14px rgba(0,0,0,.2); transition: opacity .3s, transform .3s;
  animation: beatMini 1.4s infinite;
}
.envelope:hover .envelope__heart { transform: translate(-50%,-50%) scale(1.12); }
/* opened state */
.envelope.open .envelope__flap { transform: rotateX(180deg); z-index: 0; }
.envelope.open .envelope__heart { opacity: 0; pointer-events: none; }

/* ---------- 8. MEMORIES / MASONRY ---------- */
.masonry { columns: 3 260px; column-gap: 20px; }
.polaroid {
  break-inside: avoid; margin-bottom: 20px; background: #fff; padding: 12px 12px 46px;
  border-radius: 8px; box-shadow: 0 14px 40px rgba(0,0,0,.3); position: relative;
  transform: rotate(var(--rot, -2deg)); transition: transform .4s var(--ease), box-shadow .4s;
  display: block; text-decoration: none;
}
.polaroid:hover { transform: rotate(0) translateY(-10px) scale(1.03); box-shadow: 0 24px 60px rgba(255,77,141,.4); z-index: 5; }
.polaroid img { width: 100%; height: auto; border-radius: 4px; display: block; aspect-ratio: 4/5; object-fit: cover; background: #f0d9e6; }
.polaroid__cap { position: absolute; bottom: 12px; left: 0; right: 0; text-align: center; font-family: var(--font-hand); font-size: 1.25rem; color: #4a1030; }

/* ---------- 9. REASONS (100 FLIP CARDS) ---------- */
.reasons__grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 14px; }
.flip { perspective: 900px; height: 150px; cursor: pointer; }
.flip__inner { position: relative; width: 100%; height: 100%; transition: transform .7s var(--ease); transform-style: preserve-3d; }
.flip:hover .flip__inner, .flip.flipped .flip__inner { transform: rotateY(180deg); }
.flip__face {
  position: absolute; inset: 0; backface-visibility: hidden; border-radius: var(--radius-sm);
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px;
  padding: 12px; text-align: center; border: 1px solid var(--glass-brd);
}
.flip__front { background: var(--card-bg); backdrop-filter: blur(10px); }
.flip__front i { font-size: 1.7rem; color: var(--pink); }
.flip__front .flip__num { font-family: var(--font-hand); font-size: 1.3rem; color: var(--gold); }
.flip__back {
  transform: rotateY(180deg); color: #fff; font-size: .9rem; font-weight: 500;
  background: linear-gradient(135deg, var(--pink), var(--purple)); box-shadow: var(--shadow-glow);
}

/* ---------- 10. LOVE METER ---------- */
.love-meter { text-align: center; }
.meter { display: inline-flex; flex-direction: column; align-items: center; gap: 20px; }
.meter__heart {
  position: relative; width: 220px; height: 200px; filter: drop-shadow(0 0 30px rgba(255,77,141,.6));
  animation: beatBig 1.2s infinite;
  background: rgba(255,255,255,.08);
  -webkit-clip-path: path("M110,190 C30,120 0,70 30,35 C55,5 100,10 110,45 C120,10 165,5 190,35 C220,70 190,120 110,190 Z");
  clip-path: path("M110,190 C30,120 0,70 30,35 C55,5 100,10 110,45 C120,10 165,5 190,35 C220,70 190,120 110,190 Z");
}
.meter__fill {
  position: absolute; left: 0; right: 0; bottom: 0; height: 0%;
  background: linear-gradient(0deg, var(--red), var(--pink), var(--gold));
  transition: height .1s linear;
}
.meter__percent { position: absolute; inset: 0; display: grid; place-items: center; font-family: var(--font-hand); font-size: 2rem; color: #fff; text-shadow: 0 2px 12px rgba(0,0,0,.5); z-index: 2; }
.meter__label { font-family: var(--font-hand); font-size: clamp(1.6rem,4vw,2.6rem); background: linear-gradient(100deg,var(--pink),var(--gold)); -webkit-background-clip: text; background-clip: text; color: transparent; }
@keyframes beatBig { 0%,100%{transform:scale(1);} 15%{transform:scale(1.08);} 30%{transform:scale(0.98);} 45%{transform:scale(1.05);} }

/* ---------- 11. QUIZ ---------- */
.quiz { text-align: center; }
.quiz__card, .quiz__done { max-width: 640px; margin: 0 auto; padding: 34px; border-radius: var(--radius); }
.quiz__progress { height: 6px; border-radius: 99px; background: rgba(255,255,255,.12); margin-bottom: 22px; overflow: hidden; }
.quiz__progress span { display: block; height: 100%; width: 0; background: linear-gradient(90deg,var(--pink),var(--gold)); transition: width .4s; }
.quiz__question { font-family: var(--font-serif); font-size: clamp(1.2rem, 3vw, 1.6rem); margin-bottom: 22px; }
.quiz__options { display: grid; gap: 12px; }
.quiz-opt {
  padding: 14px 18px; border-radius: var(--radius-sm); cursor: pointer; font-size: 1rem; color: var(--text);
  border: 1px solid var(--glass-brd); background: var(--glass-bg); transition: transform .2s, background .3s, border-color .3s;
}
.quiz-opt:hover { transform: translateY(-2px); border-color: var(--pink); }
.quiz-opt.correct { background: linear-gradient(135deg,#3ddc84,#1fa463); color:#fff; border-color: transparent; }
.quiz-opt.wrong { background: linear-gradient(135deg,#ff5f6d,#c9184a); color:#fff; border-color: transparent; animation: shake .5s; }
@keyframes shake { 0%,100%{transform:translateX(0);} 20%{transform:translateX(-10px);} 40%{transform:translateX(10px);} 60%{transform:translateX(-7px);} 80%{transform:translateX(7px);} }
.quiz__reaction { margin-top: 18px; font-family: var(--font-hand); font-size: 1.5rem; min-height: 1.5em; color: var(--gold); }
.quiz__done i { font-size: 3rem; color: var(--gold); }
.quiz__done h3 { font-family: var(--font-hand); font-size: 2rem; margin: 10px 0; }
.quiz__done p { color: var(--text-dim); margin-bottom: 20px; }

/* ---------- 12. TIMELINE ---------- */
.timeline__track { position: relative; max-width: 820px; margin: 0 auto; padding: 20px 0; }
.timeline__track::before {
  content: ""; position: absolute; left: 50%; top: 0; bottom: 0; width: 3px; transform: translateX(-50%);
  background: linear-gradient(var(--pink), var(--purple), var(--gold)); border-radius: 3px;
}
.tl-item { position: relative; width: 50%; padding: 20px 40px; }
.tl-item:nth-child(odd) { left: 0; text-align: right; }
.tl-item:nth-child(even) { left: 50%; text-align: left; }
.tl-item__dot {
  position: absolute; top: 28px; width: 22px; height: 22px; border-radius: 50%;
  background: var(--pink); box-shadow: 0 0 0 6px rgba(255,77,141,.2), var(--shadow-glow); z-index: 2;
  display: grid; place-items: center; color: #fff; font-size: .7rem;
}
.tl-item:nth-child(odd) .tl-item__dot { right: -11px; }
.tl-item:nth-child(even) .tl-item__dot { left: -11px; }
.tl-item__card { padding: 18px 22px; border-radius: var(--radius-sm); background: var(--card-bg); border: 1px solid var(--glass-brd); backdrop-filter: blur(10px); }
.tl-item__date { font-family: var(--font-hand); color: var(--gold); font-size: 1.2rem; }
.tl-item__title { font-size: 1.1rem; margin: 4px 0 6px; }
.tl-item__text { color: var(--text-dim); font-size: .92rem; }

/* ---------- 13. GIFT BOX ---------- */
.giftbox { text-align: center; }
.gift { position: relative; width: 220px; height: 220px; margin: 30px auto 0; cursor: pointer; }
.gift__box {
  position: absolute; bottom: 0; width: 100%; height: 150px; border-radius: 10px;
  background: linear-gradient(135deg, var(--purple), var(--purple-deep));
  box-shadow: 0 20px 50px rgba(106,44,191,.5);
}
.gift__lid {
  position: absolute; top: 40px; left: -6px; width: calc(100% + 12px); height: 56px; border-radius: 10px; z-index: 3;
  background: linear-gradient(135deg, var(--pink), var(--red)); transition: transform .8s var(--ease); transform-origin: center;
  box-shadow: 0 8px 20px rgba(255,59,92,.4);
}
.gift__ribbon-v { position: absolute; left: 50%; top: 0; bottom: 0; width: 26px; transform: translateX(-50%); background: linear-gradient(var(--gold), var(--gold-deep)); }
.gift__bow { position: absolute; top: -18px; left: 50%; transform: translateX(-50%); display: flex; }
.gift__bow span { width: 34px; height: 30px; background: var(--gold); border-radius: 50% 50% 50% 0; transition: transform .6s; }
.gift__bow span:first-child { transform: rotate(-30deg); } .gift__bow span:last-child { transform: rotate(30deg) scaleX(-1); }
.gift__message {
  position: absolute; bottom: 60px; left: 50%; transform: translate(-50%, 20px) scale(.6);
  width: 260px; opacity: 0; pointer-events: none; transition: all .7s var(--ease) .5s; z-index: 1;
  font-family: var(--font-hand); font-size: 1.3rem; color: var(--gold);
}
.gift.open .gift__lid { transform: translateY(-120px) rotate(-14deg); }
.gift.open .gift__bow span { transform: rotate(-30deg) translateY(-40px); }
.gift.open .gift__bow span:last-child { transform: rotate(30deg) scaleX(-1) translateY(-40px); }
.gift.open .gift__message { opacity: 1; transform: translate(-50%, -60px) scale(1); }

/* ---------- 14. PROMISES ---------- */
.promises__grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px,1fr)); gap: 20px; }
.promise {
  padding: 26px; border-radius: var(--radius); cursor: pointer; overflow: hidden; position: relative;
  background: var(--card-bg); border: 1px solid var(--glass-brd); backdrop-filter: blur(12px);
  transition: transform .4s var(--ease), box-shadow .4s;
}
.promise::before { content: ""; position: absolute; inset: -2px; border-radius: inherit; opacity: 0; transition: opacity .5s; box-shadow: inset 0 0 40px rgba(255,77,141,.5); }
.promise:hover { transform: translateY(-6px); box-shadow: var(--shadow-glow); }
.promise:hover::before { opacity: 1; }
.promise__icon { width: 56px; height: 56px; border-radius: 16px; display: grid; place-items: center; font-size: 1.5rem; color: #fff; background: linear-gradient(135deg, var(--pink), var(--purple)); margin-bottom: 14px; }
.promise__title { font-family: var(--font-serif); font-size: 1.25rem; margin-bottom: 6px; }
.promise__text { color: var(--text-dim); font-size: .95rem; max-height: 0; overflow: hidden; transition: max-height .5s var(--ease), margin .5s; }
.promise.expanded .promise__text { max-height: 200px; margin-top: 8px; }
.promise__more { color: var(--pink); font-size: .82rem; font-weight: 600; margin-top: 6px; display: inline-block; }

/* ---------- 15. COUNTDOWN ---------- */
.countdown { text-align: center; overflow: hidden; }
.falling-stars { position: absolute; inset: 0; pointer-events: none; z-index: 0; }
.falling-stars i { position: absolute; top: -10px; color: var(--gold); font-size: 10px; animation: starFall linear infinite; filter: drop-shadow(0 0 6px var(--gold)); }
@keyframes starFall { to { transform: translateY(120%) translateX(40px) rotate(180deg); opacity: 0; } }
.countdown__grid { position: relative; z-index: 2; display: flex; flex-wrap: wrap; gap: 16px; justify-content: center; }
.cd-unit {
  min-width: 110px; padding: 24px 18px; border-radius: var(--radius);
  background: var(--card-bg); border: 1px solid var(--glass-brd); backdrop-filter: blur(12px);
}
.cd-unit span { display: block; font-family: var(--font-hand); font-size: clamp(2.4rem, 7vw, 3.6rem); background: linear-gradient(100deg, var(--pink), var(--gold)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.cd-unit small { color: var(--text-dim); text-transform: uppercase; letter-spacing: 2px; font-size: .72rem; }
.cd-unit.flip-anim span { animation: flipDigit .5s; }
@keyframes flipDigit { 0%{transform:rotateX(-90deg);opacity:0;} 100%{transform:rotateX(0);opacity:1;} }

/* ---------- 16. COUPONS ---------- */
.coupons__grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px,1fr)); gap: 22px; }
.coupon {
  position: relative; display: flex; align-items: center; gap: 16px; padding: 22px;
  border-radius: var(--radius-sm); overflow: hidden; cursor: pointer;
  background: linear-gradient(120deg, var(--pink), var(--purple)); color: #fff;
  box-shadow: 0 14px 40px rgba(155,92,255,.35); transition: transform .6s var(--ease), opacity .6s;
}
.coupon::before, .coupon::after { content: ""; position: absolute; width: 22px; height: 22px; border-radius: 50%; background: var(--bg-0); top: 50%; transform: translateY(-50%); }
.coupon::before { left: -11px; } .coupon::after { right: -11px; }
.coupon__perf { position: absolute; left: 0; right: 0; top: 0; bottom: 0; border-left: 2px dashed rgba(255,255,255,.5); left: 74px; width: 0; }
.coupon__icon { font-size: 1.8rem; width: 54px; text-align: center; }
.coupon__body h4 { font-family: var(--font-serif); font-size: 1.2rem; }
.coupon__body p { font-size: .85rem; opacity: .9; }
.coupon__tear { position: absolute; right: 14px; bottom: 8px; font-size: .72rem; opacity: .8; }
.coupon.torn { transform: translateY(40px) rotate(6deg); opacity: 0; }

/* ---------- 17. PUZZLE ---------- */
.puzzle { text-align: center; }
.puzzle__stage { display: flex; gap: 24px; align-items: flex-start; justify-content: center; flex-wrap: wrap; }
.puzzle__board {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 4px;
  width: min(360px, 86vw); margin: 0 auto; aspect-ratio: 1;
  padding: 6px; border-radius: 14px; background: var(--glass-bg); border: 1px solid var(--glass-brd);
}
.puzzle-piece {
  position: relative; border-radius: 6px; cursor: pointer; border: 2px solid transparent;
  transition: transform .25s, border-color .25s, box-shadow .25s;
  background-image: linear-gradient(135deg, var(--pink), var(--purple), var(--gold));
  background-size: 300% 300%; background-repeat: no-repeat; overflow: hidden;
}
.puzzle-piece:hover { transform: scale(1.04); z-index: 2; }
.puzzle-piece.selected { border-color: var(--gold); box-shadow: var(--shadow-glow); transform: scale(1.04); }
.puzzle-piece__num {
  position: absolute; top: 3px; left: 5px; font-size: .72rem; font-weight: 700; color: #fff;
  text-shadow: 0 1px 3px rgba(0,0,0,.9); background: rgba(0,0,0,.35); border-radius: 6px; padding: 0 5px; line-height: 1.4;
}
.puzzle__board.solved { gap: 0; }
.puzzle__board.solved .puzzle-piece { border-radius: 0; }
.puzzle__board.solved .puzzle-piece__num { opacity: 0; }
.puzzle__board.solved { box-shadow: var(--shadow-glow); }

.puzzle__ref-wrap { text-align: center; }
.puzzle__ref-label { display: block; font-family: var(--font-hand); color: var(--gold); font-size: 1.1rem; margin-bottom: 6px; }
.puzzle__ref {
  width: 130px; height: 130px; border-radius: 12px; background-size: cover; background-position: center;
  border: 2px solid var(--glass-brd); box-shadow: 0 8px 24px rgba(0,0,0,.3);
  background-image: linear-gradient(135deg, var(--pink), var(--purple), var(--gold));
}
.puzzle__hint { color: var(--text-dim); font-size: .85rem; margin: 16px auto 12px; max-width: 460px; }
#puzzleShuffle { margin: 0 auto; display: inline-block; }
.puzzle__reveal { max-width: 520px; margin: 24px auto 0; padding: 26px; border-radius: var(--radius); text-align: center; }
.puzzle__reveal i { font-size: 2rem; color: var(--gold); }
.puzzle__reveal p { font-family: var(--font-hand); font-size: 1.5rem; margin-top: 8px; }

/* ---------- 18. SCRATCH ---------- */
.scratch { text-align: center; }
.scratch__wrap { position: relative; width: min(420px, 88vw); height: 220px; margin: 0 auto; border-radius: var(--radius); overflow: hidden; box-shadow: 0 16px 50px rgba(0,0,0,.35); }
.scratch__result { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 6px; background: linear-gradient(135deg, #fff, #ffe6f1); }
.scratch__result span { font-family: var(--font-serif); font-size: 1.4rem; color: var(--purple-deep); }
.scratch__result strong { font-family: var(--font-hand); font-size: 2.6rem; background: linear-gradient(100deg, var(--pink), var(--red)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.scratch__canvas { position: absolute; inset: 0; width: 100%; height: 100%; cursor: grab; touch-action: none; }

/* ---------- 19. FINALE & FOOTER ---------- */
.finale { text-align: center; }
.finale-overlay {
  position: fixed; inset: 0; z-index: 10001; display: flex; align-items: center; justify-content: center;
  flex-direction: column; gap: 30px; background: #000; opacity: 0; visibility: hidden;
  transition: opacity 1s ease, visibility 1s;
}
.finale-overlay.show { opacity: 1; visibility: visible; }
#fireworks { position: absolute; inset: 0; width: 100%; height: 100%; }
.finale-overlay__text {
  position: relative; z-index: 2; font-family: var(--font-hand); text-align: center; padding: 0 20px;
  font-size: clamp(2rem, 8vw, 5.5rem); opacity: 0; transform: scale(.6);
  background: linear-gradient(100deg, var(--pink), var(--gold), var(--purple)); -webkit-background-clip: text; background-clip: text; color: transparent;
  filter: drop-shadow(0 0 30px rgba(255,77,141,.8));
}
.finale-overlay.show .finale-overlay__text { animation: finaleIn 1.4s var(--ease) .6s forwards; }
@keyframes finaleIn { to { opacity: 1; transform: scale(1); } }
.finale-overlay__close { position: relative; z-index: 2; opacity: 0; animation: finaleIn 1s ease 2.2s forwards; }

.footer { position: relative; z-index: 2; text-align: center; padding: 60px 20px 40px; }
.footer__heart { font-size: 2.4rem; color: var(--pink); animation: beat 1.1s infinite; display: inline-block; filter: drop-shadow(0 0 16px rgba(255,77,141,.7)); }
.footer p { font-family: var(--font-hand); font-size: 1.5rem; margin-top: 10px; }
.footer__small { font-family: var(--font-body); font-size: .82rem; color: var(--text-dim); opacity: .8; }

/* ---------- 20. FLOATING NOTES & TOAST ---------- */
#floatingNotes { position: fixed; inset: 0; z-index: 4000; pointer-events: none; }
.float-note {
  position: absolute; pointer-events: auto; cursor: pointer; width: 46px; height: 46px; border-radius: 50%;
  display: grid; place-items: center; color: #fff; font-size: 1.1rem;
  background: linear-gradient(135deg, var(--pink), var(--purple)); box-shadow: var(--shadow-glow);
  animation: floatNote linear infinite; transition: transform .3s;
}
.float-note:hover { transform: scale(1.2); }
@keyframes floatNote { 0%{transform:translateY(0);} 50%{transform:translateY(-30px) rotate(8deg);} 100%{transform:translateY(0);} }

.note-popup { position: fixed; inset: 0; z-index: 10002; display: grid; place-items: center; background: rgba(0,0,0,.6); backdrop-filter: blur(6px); padding: 20px; }
/* [hidden] must win over the display rules above, otherwise popups won't close */
.note-popup[hidden], .quiz__done[hidden], .puzzle__reveal[hidden], .quiz__card[hidden] { display: none !important; }
.note-popup__card { position: relative; max-width: 420px; padding: 40px 30px; border-radius: var(--radius); text-align: center; animation: popIn .5s var(--ease); }
@keyframes popIn { from { transform: scale(.8); opacity: 0; } to { transform: scale(1); opacity: 1; } }
.note-popup__card i { font-size: 2.4rem; color: var(--pink); margin-bottom: 14px; }
.note-popup__card p { font-family: var(--font-hand); font-size: 1.5rem; }
.note-popup__close { position: absolute; top: 12px; right: 16px; border: none; background: none; color: var(--text); font-size: 1.6rem; cursor: pointer; }

.secret-toast {
  position: fixed; bottom: 30px; left: 50%; transform: translate(-50%, 120%); z-index: 10003;
  padding: 14px 26px; border-radius: 99px; background: linear-gradient(135deg, var(--gold), var(--pink)); color: #fff;
  font-family: var(--font-hand); font-size: 1.2rem; box-shadow: var(--shadow-glow); transition: transform .5s var(--ease); max-width: 90vw; text-align: center;
}
.secret-toast.show { transform: translate(-50%, 0); }

/* ---------- 21. RESPONSIVE ---------- */
@media (max-width: 900px) {
  .masonry { columns: 2 200px; }
}
@media (max-width: 720px) {
  .timeline__track::before { left: 20px; }
  .tl-item { width: 100%; left: 0 !important; text-align: left !important; padding-left: 52px; padding-right: 16px; }
  .tl-item__dot { left: 9px !important; right: auto !important; }
  .music-player__info { display: none; }
  .reasons__grid { grid-template-columns: repeat(auto-fill, minmax(120px,1fr)); }
  .flip { height: 130px; }
}
@media (max-width: 480px) {
  .masonry { columns: 1; }
  .envelope__pocket { height: 175px; }
  .letter-paper { padding: 20px 18px 26px; }
  .btn-heart { padding: 14px 30px; font-size: 1rem; }
}