:root {
  --ink: #180e1d;
  --paper: #fff9fc;
  --pink: #ff6fae;
  --soft-pink: #ffd5e8;
  --purple: #8b5cf6;
  --lilac: #d9c8ff;
  --white: #fff;
  --border: rgba(24, 14, 29, .14);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "DM Sans", sans-serif;
  overflow-x: hidden;
}
body.locked { overflow: hidden; }
body.password-locked main { visibility: hidden; }
button, a { font: inherit; }
button { color: inherit; }
img { display: block; width: 100%; }
.noise {
  position: fixed; inset: 0; z-index: 30; pointer-events: none; opacity: .035;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.9'/%3E%3C/svg%3E");
}
.eyebrow { text-transform: uppercase; letter-spacing: .2em; font-size: .72rem; font-weight: 700; }
em { color: var(--pink); font-weight: inherit; }

.password-gate { position: fixed; inset: 0; z-index: 100; display: grid; place-items: center; padding: 24px; color: white; background: radial-gradient(circle at 50% 35%, rgba(255,111,174,.25), transparent 28%), radial-gradient(circle at 15% 85%, rgba(139,92,246,.22), transparent 30%), #160d1c; transition: opacity .65s, transform .65s; }
.password-gate[hidden] { display: none; }
.password-gate.unlocked { opacity: 0; transform: scale(1.06); pointer-events: none; }
.password-card { width: min(100%, 520px); padding: clamp(34px, 7vw, 60px); text-align: center; border: 1px solid rgba(255,255,255,.16); border-radius: 28px; background: rgba(255,255,255,.06); box-shadow: 0 30px 90px rgba(0,0,0,.35); backdrop-filter: blur(14px); }
.password-heart { display: block; color: var(--pink); font: 5rem/.8 "Playfair Display", serif; animation: bop 1.2s infinite alternate; }
.password-card h1 { margin: 18px 0 14px; font: 600 clamp(2.6rem, 8vw, 4.4rem)/.95 "Playfair Display", serif; }
.password-copy { margin: 0 auto 30px; max-width: 390px; color: #d8cbdc; line-height: 1.65; }
.password-card label { display: block; margin-bottom: 9px; text-align: left; color: #cbbccc; font-size: .72rem; font-weight: 700; letter-spacing: .13em; text-transform: uppercase; }
.password-field { display: flex; padding: 5px; border: 1px solid rgba(255,255,255,.22); border-radius: 100px; background: rgba(0,0,0,.2); }
.password-field:focus-within { border-color: var(--pink); box-shadow: 0 0 0 3px rgba(255,111,174,.14); }
.password-field input { min-width: 0; flex: 1; border: 0; outline: 0; padding: 12px 16px; color: white; background: transparent; }
.password-field input::placeholder { color: #95849a; }
.password-field button { border: 0; border-radius: 100px; padding: 12px 20px; color: var(--ink); background: var(--pink); font-weight: 700; cursor: pointer; }
.password-error { min-height: 1.35em; margin: 12px 0 0; color: #ff9fc7; font-size: .82rem; }
.password-card small { display: block; margin-top: 18px; color: #8e7c92; }
.password-card.shake { animation: password-shake .4s; }

.intro {
  min-height: 100svh; display: grid; place-content: center; justify-items: center; text-align: center;
  padding: 30px; color: white; background:
    radial-gradient(circle at 50% 35%, rgba(255,111,174,.28), transparent 28%),
    radial-gradient(circle at 20% 80%, rgba(139,92,246,.22), transparent 30%), #160d1c;
  position: relative; z-index: 5; transition: opacity .8s, transform .8s;
}
.intro::before, .intro::after {
  content: "✦"; position: absolute; color: var(--soft-pink); opacity: .7; font-size: 28px; animation: float 4s ease-in-out infinite;
}
.intro::before { top: 18%; left: 18%; }
.intro::after { bottom: 22%; right: 18%; animation-delay: -2s; }
.intro.opened { opacity: 0; transform: scale(1.08); pointer-events: none; position: fixed; inset: 0; }
.intro h1 { font: 600 clamp(4.4rem, 14vw, 9rem)/.85 "Playfair Display", serif; margin: 12px 0 20px; }
.intro-copy { color: #e8dce9; margin: 0 0 20px; }
.tiny { color: #a895ac; font-size: .75rem; margin-top: 25px; }
.intro-actions { display: flex; align-items: center; justify-content: center; gap: 24px; flex-wrap: wrap; }
.gift { width: 180px; height: 175px; border: 0; background: transparent; position: relative; cursor: pointer; margin-top: 15px; }
.gift-box, .gift-lid { position: absolute; background: linear-gradient(135deg, #ff7eb7, #d85191); border: 2px solid #ffabd0; box-shadow: 0 22px 50px rgba(0,0,0,.35); }
.gift-box { width: 130px; height: 90px; left: 25px; top: 55px; border-radius: 5px 5px 12px 12px; }
.gift-box::after, .gift-lid::after { content: ""; position: absolute; width: 25px; background: var(--lilac); top: 0; bottom: 0; left: 50%; transform: translateX(-50%); }
.gift-lid { width: 148px; height: 30px; top: 43px; left: 16px; border-radius: 7px; z-index: 2; transition: transform .4s; }
.gift-bow::before, .gift-bow::after { content: ""; position: absolute; z-index: 3; width: 48px; height: 35px; border: 12px solid var(--lilac); top: 4px; }
.gift-bow::before { left: 39px; border-radius: 60% 15% 60% 30%; transform: rotate(15deg); }
.gift-bow::after { right: 39px; border-radius: 15% 60% 30% 60%; transform: rotate(-15deg); }
.gift:hover .gift-lid { transform: translateY(-8px) rotate(-3deg); }
.gift-label { position: absolute; bottom: 0; inset-inline: 0; text-transform: uppercase; font-size: .65rem; letter-spacing: .16em; color: #d5c5d8; }
.choice-word { color: #8f7d93; font: italic 600 1rem "Playfair Display", serif; }
.listen-button { display: inline-flex; align-items: center; gap: 10px; border: 1px solid rgba(255,255,255,.28); color: white; background: rgba(255,255,255,.08); padding: 14px 20px; border-radius: 100px; cursor: pointer; backdrop-filter: blur(8px); transition: background .25s, transform .25s; }
.listen-button:hover { background: rgba(255,255,255,.16); transform: translateY(-2px); }

.experience { display: none; opacity: 0; transition: opacity .7s; }
.experience.active { display: block; opacity: 1; }
.topbar { position: sticky; top: 0; z-index: 20; display: flex; justify-content: space-between; align-items: center; padding: 15px clamp(20px, 5vw, 80px); background: rgba(255,249,252,.86); backdrop-filter: blur(14px); border-bottom: 1px solid var(--border); }
.logo { color: var(--ink); text-decoration: none; font: 600 1.2rem "Playfair Display", serif; }.logo span { color: var(--pink); }
.top-actions { display: flex; align-items: center; gap: 18px; }
.progress-label { font-size: .75rem; color: #725f75; }
.music-button { color: white; background: var(--ink); border: 0; cursor: pointer; border-radius: 100px; padding: 9px 14px; text-decoration: none; font-size: .75rem; }
.music-note { display: inline-block; margin-right: 5px; animation: bop 1s infinite alternate; }

.welcome { min-height: calc(100svh - 62px); display: grid; grid-template-columns: 1fr 1fr; max-width: 1180px; margin: auto; padding: clamp(50px, 8vw, 100px) 30px; align-items: center; gap: clamp(45px, 8vw, 110px); }
.welcome-photo-wrap { position: relative; padding: 15px; background: white; border: 1px solid var(--border); transform: rotate(-2deg); box-shadow: 0 25px 60px rgba(50,15,45,.12); }
.welcome-photo-wrap img { aspect-ratio: 1; object-fit: cover; }
.photo-doodle { position: absolute; right: -40px; bottom: 20px; font: 600 1.2rem/1.1 "Playfair Display", serif; font-style: italic; color: var(--purple); transform: rotate(-7deg); }
.welcome-copy h2, .section-heading h2, .finale h2 { font: 600 clamp(3.1rem, 7vw, 6.2rem)/.95 "Playfair Display", serif; margin: 14px 0 24px; letter-spacing: -.04em; }
.welcome-copy > p:not(.eyebrow) { font-size: clamp(1rem, 2vw, 1.3rem); line-height: 1.7; max-width: 540px; color: #634f67; }
.primary-button { display: inline-flex; gap: 20px; align-items: center; margin-top: 20px; border: 0; background: var(--pink); color: var(--ink); padding: 15px 22px; text-decoration: none; border-radius: 100px; font-weight: 700; cursor: pointer; box-shadow: 0 10px 30px rgba(255,111,174,.25); transition: transform .25s; }
.primary-button:hover { transform: translateY(-3px); }

.letter-preview { color: white; background: var(--ink); min-height: 420px; display: grid; place-content: center; text-align: center; padding: 80px 20px; position: relative; overflow: hidden; }
.letter-preview::before, .letter-preview::after { content: ""; width: 220px; height: 220px; position: absolute; border: 1px solid var(--purple); border-radius: 50%; opacity: .25; }
.letter-preview::before { left: -80px; top: -80px; }.letter-preview::after { right: -60px; bottom: -90px; }
.letter-preview p { font: 600 clamp(1.7rem, 4vw, 3.2rem)/1.35 "Playfair Display", serif; max-width: 900px; margin: 0; }
.quote-mark { color: var(--pink); font: 6rem/.4 "Playfair Display", serif; }.script-note { color: var(--lilac); font: italic 1rem "Playfair Display", serif; margin-top: 30px; }
.letter-preview .letter-begin { justify-self: center; margin-top: 35px; color: var(--ink); text-shadow: none; }

.cards-section { padding: 110px clamp(20px, 6vw, 90px); max-width: 1400px; margin: auto; }
.section-heading { max-width: 850px; margin: 0 auto 55px; text-align: center; }
.section-heading > p:last-child { color: #715f74; }
.progress-track { height: 5px; max-width: 880px; margin: 0 auto 42px; border-radius: 10px; background: #eedfe8; overflow: hidden; }
.progress-track span { display: block; height: 100%; width: 0; background: linear-gradient(90deg, var(--pink), var(--purple)); transition: width .5s; }
.cards-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 17px; }
.memory-card { display: block; width: 100%; min-height: 350px; perspective: 1000px; cursor: pointer; border: 0; padding: 0; background: transparent; text-align: left; -webkit-tap-highlight-color: transparent; }
.card-inner { display: block; position: relative; width: 100%; height: 100%; min-height: 350px; transition: transform .65s cubic-bezier(.2,.8,.2,1); transform-style: preserve-3d; }
.memory-card:nth-child(11), .memory-card:nth-child(11) .card-inner { min-height: 480px; }
.memory-card.open .card-inner { transform: rotateY(180deg); }
.card-face { position: absolute; inset: 0; backface-visibility: hidden; -webkit-backface-visibility: hidden; border-radius: 20px; padding: 24px; border: 1px solid var(--border); display: flex; flex-direction: column; overflow: hidden; }
.card-front { background: white; justify-content: space-between; }
.card-front::after { content: "♡"; position: absolute; font: 9rem/1 "Playfair Display", serif; right: -20px; bottom: -35px; color: var(--soft-pink); opacity: .55; }
.card-no { font: 600 2.7rem "Playfair Display", serif; color: var(--pink); }.card-hint { font-size: .75rem; text-transform: uppercase; letter-spacing: .12em; position: relative; z-index: 1; }
.card-back { transform: rotateY(180deg); justify-content: center; background: var(--ink); color: white; }
.card-back.pink { background: #ffd6e8; color: var(--ink); }.card-back.purple { background: #d9c9ff; color: var(--ink); }.card-back.white { background: white; color: var(--ink); }
.card-kicker { font-size: .65rem; text-transform: uppercase; letter-spacing: .15em; color: var(--pink); margin-bottom: 12px; }
.card-back.pink .card-kicker, .card-back.purple .card-kicker, .card-back.white .card-kicker { color: #713f7d; }
.card-back p { margin: 0; font: 600 clamp(1.1rem, 2vw, 1.35rem)/1.35 "Playfair Display", serif; }
.card-back .tiny-action { margin-top: 16px; font: 500 .68rem "DM Sans", sans-serif; text-transform: uppercase; letter-spacing: .1em; opacity: .6; }
.memory-card:nth-child(6n+2), .memory-card:nth-child(6n+5) { transform: translateY(18px); }

.portrait-break { background: linear-gradient(135deg, #8a58d7, #6b3eb2); color: white; padding: clamp(70px, 10vw, 130px) max(30px, calc((100vw - 1050px)/2)); display: grid; grid-template-columns: .9fr 1fr; align-items: center; gap: 80px; }
.portrait-frame { position: relative; background: white; padding: 12px 12px 60px; transform: rotate(3deg); box-shadow: 0 25px 60px rgba(30,10,40,.3); }
.portrait-frame img { aspect-ratio: 4/5; object-fit: cover; object-position: 50% 30%; }
.tape { position: absolute; width: 90px; height: 25px; background: rgba(255,221,234,.7); top: -6px; }.tape-one { left: -24px; transform: rotate(-35deg); }.tape-two { right: -20px; transform: rotate(35deg); }
.portrait-copy { text-align: center; }.big-number { font: 600 clamp(8rem, 19vw, 15rem)/.7 "Playfair Display", serif; color: var(--soft-pink); }
.portrait-copy p { font: 600 clamp(1.4rem, 3vw, 2.2rem)/1.35 "Playfair Display", serif; margin-top: 55px; }.signature { font-style: italic; color: var(--soft-pink); }

.finale { min-height: 100svh; padding: 110px 25px; background: #fff9fc; text-align: center; display: grid; place-items: center; }
.lock-state { padding: 70px 25px; }.lock-icon { font-size: 5rem; color: var(--pink); }.lock-state p { font: 600 2.4rem "Playfair Display", serif; margin: 15px 0 5px; }.lock-state small { display: block; color: #7c697e; }
.open-letter-button { display: none; margin: 28px auto 0; }
.finale.ready .open-letter-button { display: inline-flex; animation: rise .65s both; }
.finale.ready .lock-icon { display: inline-block; animation: bop 1s infinite alternate; }
.final-content { display: none; max-width: 880px; width: 100%; }.finale.unlocked .lock-state { display: none; }.finale.unlocked .final-content { display: block; animation: rise .9s both; }
.letter { background: white; border: 1px solid var(--border); border-radius: 4px; text-align: left; padding: clamp(30px, 7vw, 75px); box-shadow: 0 25px 80px rgba(58,20,51,.11); transform: rotate(-.5deg); }
.letter p { font: 500 clamp(1rem, 2vw, 1.18rem)/1.85 "DM Sans", sans-serif; color: #4d3c50; }.letter p:first-child { font: italic 600 1.8rem "Playfair Display", serif; color: var(--ink); }.letter-signoff { margin-top: 35px; }.letter-signoff strong { color: var(--pink); font: italic 600 1.5rem "Playfair Display", serif; }
.cake { width: 260px; margin: 115px auto 30px; position: relative; }.candles { height: 50px; display: flex; justify-content: center; align-items: end; gap: 5px; padding: 0 14px; }
.candle { width: 6px; height: 31px; border-radius: 4px; background: repeating-linear-gradient(45deg, white 0 5px, var(--pink) 5px 10px); position: relative; }
.candle::before { content: ""; width: 10px; height: 15px; border-radius: 50% 50% 45% 45%; background: #ffc940; box-shadow: 0 0 12px #ff9d2e; position: absolute; left: -2px; top: -17px; animation: flame .6s infinite alternate; transform-origin: bottom; }
.candles.out .candle::before { animation: blow .5s forwards; }.cake-top { height: 28px; border-radius: 50%; background: #ffb9d6; border: 3px solid var(--ink); position: relative; z-index: 2; }
.cake-body { height: 100px; margin-top: -14px; background: linear-gradient(90deg, #fa8fbd, #ffc2dc); border: 3px solid var(--ink); border-top: 0; display: grid; place-content: center; font-weight: 800; letter-spacing: .3em; }.cake-plate { width: 290px; height: 14px; margin-left: -15px; border-radius: 50%; background: var(--ink); }
.celebrate-button { margin: 0 auto; }.final-note { opacity: 0; transform: translateY(10px); transition: .6s; color: var(--purple); font: italic 600 1.2rem "Playfair Display", serif; }.final-note.show { opacity: 1; transform: none; }

.confetti { position: fixed; inset: 0; pointer-events: none; z-index: 50; overflow: hidden; }.confetti-piece { position: absolute; top: -30px; width: 10px; height: 16px; animation: fall 3.5s linear forwards; }
.birthday-show { position: fixed; inset: 0; z-index: 45; display: none; place-items: center; overflow: hidden; pointer-events: none; background: radial-gradient(circle at center, rgba(139,92,246,.34), rgba(24,14,29,.95) 66%); }
.birthday-show.active { display: grid; animation: show-in .45s both; }
.balloon-stage { position: absolute; inset: 0; }
.party-balloon { position: absolute; bottom: -190px; width: clamp(58px, 9vw, 105px); height: clamp(75px, 12vw, 135px); border-radius: 50% 50% 46% 46%; background: var(--balloon-color); box-shadow: inset -13px -8px 20px rgba(0,0,0,.15), inset 9px 7px 15px rgba(255,255,255,.25); animation: balloon-rise var(--rise-time) cubic-bezier(.2,.75,.2,1) forwards; animation-delay: var(--delay); }
.party-balloon::before { content: ""; position: absolute; left: 50%; bottom: -9px; transform: translateX(-50%); border-left: 7px solid transparent; border-right: 7px solid transparent; border-bottom: 0; border-top: 12px solid var(--balloon-color); }
.party-balloon::after { content: ""; position: absolute; left: 50%; top: 100%; width: 1px; height: 120px; background: rgba(255,255,255,.55); transform-origin: top; animation: string-sway .8s ease-in-out infinite alternate; }
.party-balloon.popped { animation: balloon-pop .34s ease-out forwards; }
.birthday-reveal { position: relative; z-index: 2; text-align: center; color: white; opacity: 0; transform: scale(.6); padding: 30px; text-shadow: 0 7px 28px rgba(0,0,0,.35); }
.birthday-reveal.show { animation: birthday-burst .8s cubic-bezier(.2,1.4,.4,1) forwards; }
.birthday-reveal p { margin: 0; text-transform: uppercase; letter-spacing: .28em; font-weight: 700; font-size: clamp(.75rem, 2vw, 1.2rem); }
.birthday-reveal strong { display: block; color: var(--soft-pink); font: italic 600 clamp(4.5rem, 14vw, 10rem)/.95 "Playfair Display", serif; }
.birthday-reveal small { display: block; margin-top: 22px; font: italic 600 clamp(1rem, 2vw, 1.4rem) "Playfair Display", serif; color: var(--lilac); }
.reveal-stars { display: block; margin-bottom: 18px; color: #ffd166; font-size: 1.5rem; letter-spacing: .45em; }
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .8s, transform .8s; }.reveal.visible { opacity: 1; transform: none; }
@keyframes float { 50% { transform: translateY(-14px) rotate(15deg); } }
@keyframes bop { to { transform: translateY(-3px) rotate(8deg); } }
@keyframes flame { to { transform: scale(.8) rotate(5deg); } }
@keyframes blow { to { transform: translate(16px,-5px) scale(0); opacity: 0; } }
@keyframes rise { from { opacity: 0; transform: translateY(30px); } }
@keyframes fall { to { transform: translateY(110vh) rotate(800deg); } }
@keyframes show-in { from { opacity: 0; } }
@keyframes balloon-rise { 0% { transform: translateY(0) rotate(-5deg); } 70% { transform: translateY(-72vh) rotate(5deg); } 100% { transform: translateY(-76vh) rotate(-2deg); } }
@keyframes string-sway { to { transform: rotate(6deg); } }
@keyframes balloon-pop { 55% { transform: translateY(-76vh) scale(1.28); opacity: 1; } 100% { transform: translateY(-76vh) scale(1.75); opacity: 0; } }
@keyframes birthday-burst { to { opacity: 1; transform: scale(1); } }
@keyframes password-shake { 25% { transform: translateX(-8px); } 50% { transform: translateX(8px); } 75% { transform: translateX(-5px); } }

@media (max-width: 900px) {
  .welcome { grid-template-columns: 1fr; padding-top: 70px; text-align: center; }.welcome-photo-wrap { max-width: 520px; margin: auto; }.welcome-copy > p:not(.eyebrow) { margin-inline: auto; }
  .cards-grid { grid-template-columns: repeat(2, 1fr); }.portrait-break { grid-template-columns: 1fr; }.portrait-frame { max-width: 520px; margin: auto; }.portrait-copy { max-width: 620px; margin: auto; }
}
@media (max-width: 560px) {
  .password-card { padding: 36px 22px; }.password-field button { padding-inline: 16px; }
  .intro-actions { flex-direction: column; gap: 8px; }.gift { margin-bottom: -3px; }.choice-word { margin-block: -5px; }
  .topbar { padding: 11px 15px; }.progress-label { display: none; }.music-button { padding: 8px 11px; }
  .welcome { padding-inline: 22px; gap: 55px; }.photo-doodle { right: -8px; bottom: -38px; }.welcome-copy h2 { font-size: 3.3rem; }
  .cards-section { padding-inline: 20px; }.cards-grid { grid-template-columns: 1fr; gap: 14px; }.memory-card, .card-inner { min-height: 320px; }.memory-card:nth-child(11), .memory-card:nth-child(11) .card-inner { min-height: 430px; }.card-face { padding: 24px; }.card-back p { font-size: 1.08rem; }.memory-card:nth-child(6n+2), .memory-card:nth-child(6n+5) { transform: none; }
  .portrait-break { padding-inline: 26px; gap: 50px; }.portrait-copy p { margin-top: 35px; }.letter { padding: 30px 24px; }
  .cake { transform: scale(.88); margin-top: 95px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; } }