:root {
  --fog: #ebe8e2;
  --paper: #f6f2ea;
  --paper-deep: #ebe4d8;
  --paper-edge: #d9d0c2;
  --ink: #1c2a33;
  --ink-soft: #3a4a54;
  --teal: #4f7f7c;
  --teal-soft: #6a9a96;
  --font-display: "Cormorant Garamond", Georgia, serif;
  --font-script: "Alex Brush", "Snell Roundhand", cursive;
  --font-ui: "Outfit", "Avenir Next", sans-serif;
}

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

html,
body {
  min-height: 100%;
}

body {
  color: var(--ink);
  background: var(--ink);
  font-family: var(--font-display);
  -webkit-font-smoothing: antialiased;
}

.scene {
  position: relative;
  min-height: 100svh;
  width: 100%;
  display: grid;
  place-items: center;
  justify-items: center;
  padding: clamp(1rem, 3.5vw, 2.5rem);
  overflow: clip;
}

.scene-media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.scene-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 40%;
  transform: scale(1.02);
  animation: drift 36s ease-in-out infinite alternate;
}

.scene-wash {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    color-mix(in srgb, var(--ink) 14%, transparent),
    color-mix(in srgb, var(--ink) 8%, transparent) 45%,
    color-mix(in srgb, var(--ink) 32%, transparent)
  );
  pointer-events: none;
}

.letter {
  position: relative;
  z-index: 1;
  width: min(28rem, 100%);
  margin-inline: auto;
  min-height: min(42rem, calc(100svh - 2rem));
  padding: clamp(2.1rem, 5.5vw, 3.25rem) clamp(1.5rem, 5vw, 2.75rem) clamp(2rem, 5vw, 2.85rem);
  text-align: center;
  color: var(--ink);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.35), transparent 28%),
    repeating-linear-gradient(
      0deg,
      transparent,
      transparent 27px,
      color-mix(in srgb, var(--teal) 4%, transparent) 28px
    ),
    linear-gradient(165deg, #faf7f1 0%, var(--paper) 46%, var(--paper-deep) 100%);
  border: 1px solid color-mix(in srgb, var(--paper-edge) 85%, white);
  box-shadow:
    0 1px 0 color-mix(in srgb, white 60%, transparent) inset,
    0 28px 70px color-mix(in srgb, var(--ink) 30%, transparent),
    0 2px 10px color-mix(in srgb, var(--ink) 14%, transparent);
  animation: letter-in 1.15s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.letter::before {
  content: "";
  position: absolute;
  inset: 0.55rem;
  border: 1px solid color-mix(in srgb, var(--teal) 28%, transparent);
  pointer-events: none;
}

.letter::after {
  content: "";
  position: absolute;
  inset: 0.85rem;
  border: 1px solid color-mix(in srgb, var(--paper-edge) 55%, transparent);
  pointer-events: none;
}

.letter-date {
  font-family: var(--font-ui);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--teal);
  animation: fade-up 0.8s ease 0.35s both;
}

.salutation {
  margin-top: 1.35rem;
  font-size: clamp(1.05rem, 2.8vw, 1.2rem);
  font-weight: 500;
  font-style: italic;
  color: var(--ink-soft);
  animation: fade-up 0.85s ease 0.5s both;
}

.brand {
  position: relative;
  display: grid;
  justify-items: center;
  margin-top: 0.85rem;
  font-size: clamp(2.2rem, 8.2vw, 3.35rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.05;
  color: var(--ink);
}

.brand-line {
  display: inline-flex;
  flex-wrap: wrap;
  justify-content: center;
}

.char {
  display: inline-block;
  opacity: 0;
  filter: blur(4px);
  transform: translateY(0.65em) rotate(-2deg);
  animation:
    ink-write 0.75s cubic-bezier(0.22, 1, 0.36, 1) calc(0.65s + var(--i) * 0.07s) both,
    title-breathe 4.5s ease-in-out calc(2.4s + var(--i) * 0.04s) infinite;
}

.char.space {
  width: 0.28em;
}

.brand-underline {
  display: block;
  width: min(12rem, 70%);
  height: 1px;
  margin-top: 0.7rem;
  background: linear-gradient(90deg, transparent, var(--teal-soft), transparent);
  transform-origin: center;
  animation: draw 1.1s ease 1.9s both;
}

.headline {
  margin-top: 0.85rem;
  font-size: clamp(1.3rem, 3.4vw, 1.7rem);
  font-weight: 500;
  font-style: italic;
  letter-spacing: 0.01em;
  color: var(--ink-soft);
  animation: fade-up 0.9s ease 2s both;
}

.letter-body {
  margin-top: clamp(1.6rem, 4vw, 2.2rem);
  display: grid;
  gap: clamp(1.2rem, 3vw, 1.65rem);
}

.detail {
  animation: fade-up 0.85s ease both;
}

.detail:nth-child(1) {
  animation-delay: 2.15s;
}
.detail:nth-child(2) {
  animation-delay: 2.28s;
}
.detail:nth-child(3) {
  animation-delay: 2.4s;
}

.label {
  font-family: var(--font-ui);
  font-size: 0.66rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 0.35rem;
}

.value {
  font-size: clamp(1.25rem, 3.4vw, 1.6rem);
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.15;
}

.subvalue {
  margin-top: 0.25rem;
  font-size: clamp(0.98rem, 2.3vw, 1.1rem);
  font-weight: 500;
  color: var(--ink-soft);
}

.rule {
  width: 3.75rem;
  height: 1px;
  margin: 1.45rem auto 0;
  background: var(--teal-soft);
  transform-origin: center;
  animation: draw 1s ease 2.55s both;
}

.note {
  margin-top: 0.9rem;
  font-size: clamp(1.02rem, 2.4vw, 1.15rem);
  font-weight: 500;
  font-style: italic;
  color: var(--ink-soft);
  animation: fade-up 0.85s ease 2.65s both;
}

.closing {
  margin-top: 1.5rem;
  font-size: clamp(1.05rem, 2.5vw, 1.2rem);
  font-weight: 500;
  font-style: italic;
  color: var(--ink);
  animation: fade-up 0.85s ease 2.8s both;
}

.signature {
  position: relative;
  display: grid;
  place-items: center;
  margin: 0.35rem auto 0;
  width: min(20rem, 100%);
  min-height: clamp(2.8rem, 8vw, 3.6rem);
  transform: rotate(-3deg);
  transform-origin: center;
}

.signature-ink {
  display: block;
  font-family: var(--font-script);
  font-size: clamp(2.45rem, 7.5vw, 3.35rem);
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: 0.01em;
  color: color-mix(in srgb, var(--ink) 88%, var(--teal));
  white-space: nowrap;
  opacity: 0;
  -webkit-mask-image: linear-gradient(
    90deg,
    #000 0%,
    #000 78%,
    rgba(0, 0, 0, 0.35) 90%,
    transparent 100%
  );
  mask-image: linear-gradient(
    90deg,
    #000 0%,
    #000 78%,
    rgba(0, 0, 0, 0.35) 90%,
    transparent 100%
  );
  -webkit-mask-size: 0% 100%;
  mask-size: 0% 100%;
  -webkit-mask-repeat: no-repeat;
  mask-repeat: no-repeat;
  -webkit-mask-position: left center;
  mask-position: left center;
  animation: signature-trace 2.9s cubic-bezier(0.37, 0.01, 0.22, 1) 3s forwards;
}

@keyframes letter-in {
  from {
    opacity: 0;
    transform: translateY(1.75rem) rotate(0.4deg) scale(0.985);
  }
  to {
    opacity: 1;
    transform: translateY(0) rotate(0deg) scale(1);
  }
}

@keyframes ink-write {
  from {
    opacity: 0;
    filter: blur(4px);
    transform: translateY(0.65em) rotate(-2deg);
  }
  to {
    opacity: 1;
    filter: blur(0);
    transform: translateY(0) rotate(0deg);
  }
}

@keyframes title-breathe {
  0%,
  100% {
    transform: translateY(0);
    opacity: 1;
  }
  50% {
    transform: translateY(-0.04em);
    opacity: 0.92;
  }
}

@keyframes fade-up {
  from {
    opacity: 0;
    transform: translateY(0.75rem);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes drift {
  from {
    transform: scale(1.02) translate3d(0, 0, 0);
  }
  to {
    transform: scale(1.05) translate3d(0, -0.8%, 0);
  }
}

@keyframes signature-trace {
  0% {
    opacity: 1;
    -webkit-mask-size: 0% 100%;
    mask-size: 0% 100%;
  }
  100% {
    opacity: 1;
    -webkit-mask-size: 140% 100%;
    mask-size: 140% 100%;
  }
}

@keyframes draw {
  from {
    transform: scaleX(0);
    opacity: 0;
  }
  to {
    transform: scaleX(1);
    opacity: 1;
  }
}

@media (prefers-reduced-motion: reduce) {
  .scene-photo,
  .letter,
  .char,
  .brand-underline,
  .letter-date,
  .salutation,
  .headline,
  .detail,
  .rule,
  .note,
  .closing,
  .signature-ink {
    animation: none !important;
  }

  .char,
  .headline,
  .detail,
  .note,
  .closing,
  .signature-ink,
  .letter-date,
  .salutation,
  .brand-underline,
  .rule {
    opacity: 1;
    filter: none;
    transform: none;
    clip-path: none;
    mask-image: none;
    -webkit-mask-image: none;
    mask-size: 100% 100%;
    -webkit-mask-size: 100% 100%;
  }

  .signature {
    transform: rotate(-3deg);
  }

  .scene-photo {
    transform: none;
  }
}

@media (max-height: 760px) {
  .letter {
    min-height: 0;
    padding-top: 1.75rem;
    padding-bottom: 1.75rem;
  }

  .letter-body {
    gap: 1rem;
  }

  .closing {
    margin-top: 1.1rem;
  }
}