:root {
  --cream: #fffaf5;
  --blush: #f8e1e7;
  --rose: #e8a0b4;
  --deep: #8c3b5a;
  --gold: #c9a24b;
  --ink: #4a2b36;
  --night: #1d0f14;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Cormorant Garamond', Georgia, serif;
  font-size: 1.2rem;
  line-height: 1.6;
  color: var(--ink);
  background: linear-gradient(180deg, var(--cream), var(--blush) 50%, var(--cream));
  overflow-x: hidden;
}

body.locked { overflow: hidden; }

.script { font-family: 'Great Vibes', cursive; font-weight: 400; }

/* ---------- Intro / envelope ---------- */
.intro {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2.5rem;
  background: radial-gradient(circle at 50% 40%, #fff5f7, #f3c9d5 70%, var(--rose));
  transition: opacity 1.2s ease 1.6s, visibility 0s linear 2.8s;
}

.intro.opened { opacity: 0; visibility: hidden; }

.intro__hint {
  font-size: .85rem;
  letter-spacing: .35em;
  text-transform: uppercase;
  color: var(--deep);
  animation: pulse 2s ease-in-out infinite;
  transition: opacity .3s;
}

.intro.opened .intro__hint { opacity: 0; animation: none; }

.envelope {
  position: relative;
  width: min(340px, 80vw);
  aspect-ratio: 3 / 2;
  cursor: pointer;
  perspective: 1200px;
  filter: drop-shadow(0 20px 30px rgba(140, 59, 90, .3));
  transition: transform .3s;
  outline: none;
}

.envelope:hover, .envelope:focus-visible { transform: translateY(-6px); }

.envelope__back {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: #e9a9bb;
  border-radius: 6px;
}

.envelope__letter {
  position: absolute;
  z-index: 2;
  left: 6%;
  right: 6%;
  top: 8%;
  height: 84%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: var(--cream);
  border-radius: 4px;
  box-shadow: 0 2px 6px rgba(0, 0, 0, .1);
  transition: transform 1s ease .6s;
}

.envelope__letter .script { font-size: 2rem; color: var(--deep); }

.envelope__letter small {
  font-size: .8rem;
  letter-spacing: .35em;
  text-transform: uppercase;
  color: var(--gold);
}

.envelope__front {
  position: absolute;
  inset: 0;
  z-index: 3;
  background: #f2bfcd;
  border-radius: 6px;
  clip-path: polygon(0 0, 50% 55%, 100% 0, 100% 100%, 0 100%);
}

.envelope__flap {
  position: absolute;
  z-index: 4;
  top: 0;
  left: 0;
  right: 0;
  height: 60%;
  background: #e79fb3;
  clip-path: polygon(0 0, 100% 0, 50% 100%);
  transform-origin: top;
  transition: transform .6s ease, z-index 0s linear .3s;
}

.envelope__seal {
  position: absolute;
  z-index: 5;
  top: 60%;
  left: 50%;
  width: 54px;
  height: 54px;
  display: grid;
  place-items: center;
  font-size: 1.5rem;
  color: #fbd9e3;
  background: radial-gradient(circle at 35% 35%, #c2476f, #8c1f45);
  border-radius: 50%;
  box-shadow: 0 3px 8px rgba(0, 0, 0, .25);
  transform: translate(-50%, -50%);
  transition: opacity .3s, transform .3s;
}

.opened .envelope__seal { opacity: 0; transform: translate(-50%, -50%) scale(1.4); }
.opened .envelope__flap { transform: rotateX(180deg); z-index: 1; }
.opened .envelope__letter { transform: translateY(-55%); }

/* ---------- Ambient layers ---------- */
.hearts {
  position: fixed;
  inset: 0;
  z-index: 1;
  overflow: hidden;
  pointer-events: none;
}

.hearts span {
  position: absolute;
  bottom: -40px;
  color: var(--rose);
  opacity: 0;
  animation: rise linear forwards;
}

.confetti {
  position: fixed;
  inset: 0;
  z-index: 95;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.mute {
  position: fixed;
  right: 1.25rem;
  bottom: 1.25rem;
  z-index: 80;
  width: 48px;
  height: 48px;
  font-size: 1.4rem;
  color: var(--deep);
  background: rgba(255, 255, 255, .8);
  border: 1px solid var(--gold);
  border-radius: 50%;
  box-shadow: 0 4px 14px rgba(140, 59, 90, .25);
  cursor: pointer;
  backdrop-filter: blur(6px);
}

.mute.muted { text-decoration: line-through; opacity: .6; }

main { position: relative; z-index: 2; }

section { position: relative; padding: 6rem 1.5rem; }

.reveal { opacity: 0; transform: translateY(30px); transition: opacity 1s ease, transform 1s ease; }
.reveal.visible { opacity: 1; transform: none; }

.section-title {
  margin-bottom: 3rem;
  font-size: clamp(3rem, 8vw, 4.5rem);
  text-align: center;
  color: var(--deep);
}

.section-title::after {
  content: "";
  display: block;
  width: 80px;
  height: 1px;
  margin: .25rem auto 0;
  background: var(--gold);
}

/* ---------- Hero ---------- */
.hero {
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.eyebrow {
  font-size: .85rem;
  letter-spacing: .35em;
  text-transform: uppercase;
  color: var(--gold);
}

.hero h1 {
  margin: .5rem 0;
  font-size: clamp(3.5rem, 12vw, 8rem);
  line-height: 1.1;
  color: var(--deep);
  cursor: pointer;
}

.hero__title { font-size: clamp(1.3rem, 3vw, 1.8rem); font-style: italic; }

.counter {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: clamp(.75rem, 3vw, 2rem);
  margin-top: 3rem;
}

.counter div {
  min-width: 92px;
  padding: 1rem .75rem;
  background: rgba(255, 255, 255, .6);
  border: 1px solid rgba(201, 162, 75, .4);
  border-radius: 12px;
  backdrop-filter: blur(6px);
}

.counter strong {
  display: block;
  font-size: 2.4rem;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  color: var(--deep);
}

.counter span { font-size: .8rem; letter-spacing: .2em; text-transform: uppercase; }

.scroll-hint {
  position: absolute;
  bottom: 2rem;
  font-size: 1.6rem;
  color: var(--deep);
  text-decoration: none;
  animation: bob 2s ease-in-out infinite;
}

/* ---------- Letter ---------- */
.paper {
  position: relative;
  max-width: 720px;
  margin: 0 auto;
  padding: clamp(2rem, 6vw, 4rem);
  background: #fffdf9;
  border-radius: 4px;
  box-shadow: 0 20px 50px rgba(140, 59, 90, .15);
}

.paper::before {
  content: "";
  position: absolute;
  inset: 12px;
  border: 1px solid rgba(201, 162, 75, .45);
  pointer-events: none;
}

.letter__text {
  display: grid;
  font-size: clamp(1.15rem, 2.2vw, 1.4rem);
  white-space: pre-line;
}

.letter__ghost, .letter__typed { grid-area: 1 / 1; }
.letter__ghost { visibility: hidden; }

.letter__typed.typing::after {
  content: "|";
  color: var(--gold);
  animation: blink 1s steps(1) infinite;
}

/* ---------- Slideshow ---------- */
.slideshow {
  height: 100vh;
  height: 100svh;
  padding: 0;
  overflow: hidden;
  background: var(--night);
}

.slide { position: absolute; inset: 0; opacity: 0; transition: opacity 1.5s ease; }
.slide.active { opacity: 1; }

.slide::before {
  content: "";
  position: absolute;
  inset: -40px;
  background: var(--img) center / cover;
  filter: blur(30px) brightness(.5);
}

.slide__img { position: absolute; inset: 0; background: var(--img) center / contain no-repeat; }
.slide.animate .slide__img { animation: kenburns 8s ease-out forwards; }

.slideshow__title {
  position: absolute;
  top: 2rem;
  left: 0;
  right: 0;
  z-index: 2;
  font-size: clamp(2.5rem, 6vw, 3.5rem);
  text-align: center;
  color: #fff;
  text-shadow: 0 2px 14px rgba(0, 0, 0, .6);
}

.slideshow__caption {
  position: absolute;
  bottom: 2.5rem;
  left: 0;
  right: 0;
  z-index: 2;
  font-size: 1.3rem;
  font-style: italic;
  text-align: center;
  color: #fff;
  text-shadow: 0 2px 10px rgba(0, 0, 0, .7);
}

.nav-btn, .lb-btn {
  position: absolute;
  z-index: 3;
  width: 48px;
  height: 48px;
  font-size: 1.6rem;
  line-height: 1;
  color: #fff;
  background: rgba(255, 255, 255, .15);
  border: 1px solid rgba(255, 255, 255, .35);
  border-radius: 50%;
  cursor: pointer;
  backdrop-filter: blur(4px);
}

.nav-btn { top: 50%; transform: translateY(-50%); }
.nav-btn.prev { left: 1rem; }
.nav-btn.next { right: 1rem; }

/* ---------- Timeline ---------- */
.timeline__list { position: relative; max-width: 1000px; margin: 0 auto; }

.timeline__list::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 2px;
  background: linear-gradient(var(--gold), var(--rose));
  transform: translateX(-50%);
}

.tl-item { position: relative; width: 50%; padding: 0 3rem 3.5rem; }
.tl-item:nth-child(odd) { text-align: right; }
.tl-item:nth-child(even) { margin-left: 50%; }

.tl-item::before {
  content: "♥";
  position: absolute;
  top: .6rem;
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  font-size: .9rem;
  color: var(--deep);
  background: var(--cream);
  border: 2px solid var(--gold);
  border-radius: 50%;
}

.tl-item:nth-child(odd)::before { right: -16px; }
.tl-item:nth-child(even)::before { left: -16px; }

.tl-month { font-size: 2.4rem; color: var(--deep); }

.milestone {
  margin: .75rem 0;
  padding: 1rem 1.25rem;
  text-align: left;
  background: #fff;
  border-left: 3px solid var(--gold);
  border-radius: 10px;
  box-shadow: 0 8px 24px rgba(140, 59, 90, .1);
}

.milestone time {
  font-size: .8rem;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--gold);
}

.milestone h4 { font-size: 1.35rem; color: var(--deep); }

.tl-thumbs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
  margin-top: .75rem;
}

.tl-thumbs button {
  position: relative;
  aspect-ratio: 1;
  padding: 0;
  overflow: hidden;
  background: #f3e6ea;
  border: 0;
  border-radius: 6px;
  cursor: pointer;
}

.tl-thumbs img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }
.tl-thumbs button:hover img { transform: scale(1.08); }

.tl-more {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-size: 1.4rem;
  color: #fff;
  background: rgba(140, 59, 90, .6);
}

/* ---------- Polaroid wall ---------- */
.wall {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(170px, 1fr));
  gap: 2rem 1.5rem;
  max-width: 1200px;
  margin: 0 auto;
}

.polaroid {
  position: relative;
  padding: 10px 10px 0;
  font: inherit;
  color: inherit;
  background: #fff;
  border: 0;
  box-shadow: 0 8px 20px rgba(74, 43, 54, .18);
  transform: rotate(var(--r));
  transition: transform .35s, box-shadow .35s;
  cursor: pointer;
}

.polaroid:hover, .polaroid:focus-visible {
  z-index: 2;
  transform: rotate(0) scale(1.06);
  box-shadow: 0 16px 36px rgba(74, 43, 54, .28);
}

.polaroid img {
  display: block;
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  background: #f3e6ea;
}

.polaroid span {
  display: block;
  min-height: 2.6rem;
  padding: .4rem 0 .5rem;
  font-family: 'Great Vibes', cursive;
  font-size: 1.3rem;
  color: var(--deep);
}

.empty { text-align: center; font-style: italic; }

/* ---------- Footer ---------- */
.footer { padding: 5rem 1.5rem 7rem; text-align: center; }
.footer .script { font-size: clamp(2.2rem, 6vw, 3.5rem); color: var(--deep); }
.footer__heart { font-size: 2rem; color: var(--rose); animation: beat 1.4s ease-in-out infinite; }

/* ---------- Lightbox ---------- */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 90;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  background: rgba(29, 15, 20, .94);
}

.lightbox[hidden] { display: none; }

.lightbox img {
  max-width: 100%;
  max-height: 80vh;
  border: 8px solid #fff;
  box-shadow: 0 20px 60px rgba(0, 0, 0, .5);
}

.lightbox p { margin-top: 1rem; font-style: italic; color: #fff; }

.lb-close { top: 1rem; right: 1rem; }
.lb-prev { top: 50%; left: 1rem; transform: translateY(-50%); }
.lb-next { top: 50%; right: 1rem; transform: translateY(-50%); }

/* ---------- Animations ---------- */
@keyframes pulse { 50% { opacity: .4; } }
@keyframes bob { 50% { transform: translateY(8px); } }
@keyframes blink { 50% { opacity: 0; } }
@keyframes beat { 15%, 45% { transform: scale(1.25); } 30% { transform: scale(1); } }

@keyframes rise {
  0% { opacity: 0; transform: translate(0, 0) rotate(0); }
  10% { opacity: var(--o); }
  100% { opacity: 0; transform: translate(var(--dx), -110vh) rotate(var(--rot)); }
}

@keyframes kenburns {
  from { transform: scale(var(--s0)) translate(var(--x0), var(--y0)); }
  to { transform: scale(var(--s1)) translate(var(--x1), var(--y1)); }
}

@media (max-width: 700px) {
  .timeline__list::before { left: 16px; }
  .tl-item, .tl-item:nth-child(even) { width: 100%; margin-left: 0; padding: 0 0 2.5rem 3rem; }
  .tl-item:nth-child(odd) { text-align: left; }
  .tl-item:nth-child(odd)::before, .tl-item:nth-child(even)::before { left: 0; right: auto; }
  .wall { grid-template-columns: repeat(2, 1fr); gap: 1.25rem 1rem; }
  .nav-btn, .lb-prev, .lb-next { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .slide.animate .slide__img, .scroll-hint, .footer__heart, .intro__hint { animation: none; }
}