:root {
  color-scheme: light;
  --ink: #271820;
  --ink-soft: #5e4852;
  --rose: #b86673;
  --rose-deep: #7d3948;
  --cream: #fbf2e9;
  --paper: #fff8ef;
  --candle: #e4b66f;
  --moss: #747c65;
  --line: rgba(39, 24, 32, 0.14);
  --shadow: 0 24px 70px rgba(39, 24, 32, 0.18);
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  --sans: "Avenir Next", Avenir, "Segoe UI", sans-serif;
  --ease: cubic-bezier(0.19, 1, 0.22, 1);
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  background: var(--cream);
  color: var(--ink);
  font-family: var(--sans);
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  overflow-x: hidden;
  background:
    radial-gradient(circle at 12% 0%, rgba(184, 102, 115, 0.22), transparent 32rem),
    linear-gradient(180deg, #fff5ed 0%, #f7e7dd 43%, #efe1d6 100%);
  padding: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);
}

body.auth-locked {
  overflow-x: hidden;
  overflow-y: auto;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  content: "";
  opacity: 0.22;
  background-image:
    linear-gradient(rgba(39, 24, 32, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(39, 24, 32, 0.05) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(to bottom, #000, transparent 76%);
}

button {
  font: inherit;
}

input {
  font: inherit;
}

.auth-locked main,
.auth-locked .scroll-meter {
  display: none;
}

.gate {
  display: grid;
  width: 100%;
  min-height: 100svh;
  place-items: center;
  padding-block: max(2rem, calc(1.5rem + env(safe-area-inset-top))) max(2rem, calc(1.5rem + env(safe-area-inset-bottom)));
  padding-inline: 0;
  transition: opacity 320ms var(--ease), transform 320ms var(--ease), filter 320ms var(--ease);
}

.gate[hidden] {
  display: none;
}

.auth-unlocking .gate {
  opacity: 0;
  pointer-events: none;
  transform: translateY(-0.5rem);
  filter: blur(2px);
}

.gate__panel {
  width: min(calc(100vw - 3rem), 34rem);
  max-width: 34rem;
  border: 1px solid rgba(255, 248, 239, 0.78);
  background:
    linear-gradient(180deg, rgba(255, 248, 239, 0.88), rgba(255, 248, 239, 0.72)),
    var(--paper);
  box-shadow: var(--shadow);
  padding: clamp(1.35rem, 6vw, 2.5rem);
}

.gate h1 {
  max-width: min(100%, 10ch);
  font-size: clamp(2.55rem, 11.5vw, 5.2rem);
}

.gate__hint {
  max-width: 26rem;
  margin: 1.1rem 0 0;
  color: var(--ink-soft);
  font-size: clamp(1rem, 4.2vw, 1.16rem);
  line-height: 1.65;
}

.gate__form {
  display: grid;
  gap: 0.75rem;
  margin-top: 1.75rem;
}

.gate__form label {
  color: var(--rose-deep);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.gate__field {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.75rem;
  min-width: 0;
}

.gate__field input,
.gate__field button {
  min-height: 50px;
  border: 1px solid rgba(39, 24, 32, 0.2);
}

.gate__field input {
  width: 100%;
  border-radius: 0;
  background: rgba(255, 255, 255, 0.62);
  color: var(--ink);
  padding: 0.85rem 1rem;
}

.gate__field button {
  border-radius: 999px;
  background: var(--ink);
  color: var(--paper);
  cursor: pointer;
  padding: 0.85rem 1.15rem;
  transition: transform 260ms var(--ease), background-color 260ms var(--ease);
}

.gate__field button:active {
  transform: scale(0.98);
}

.gate__field input:focus-visible,
.gate__field button:focus-visible {
  outline: 3px solid var(--candle);
  outline-offset: 3px;
}

.gate__error {
  min-height: 1.5em;
  margin: 0;
  color: var(--rose-deep);
  font-size: 0.95rem;
  line-height: 1.5;
}

.scroll-meter {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 10;
  width: 100%;
  height: 3px;
  background: rgba(39, 24, 32, 0.08);
}

.scroll-meter span {
  display: block;
  width: 0%;
  height: 100%;
  background: linear-gradient(90deg, var(--rose-deep), var(--candle));
  transform-origin: left center;
}

main {
  width: min(100%, 1180px);
  margin: 0 auto;
}

.section {
  padding: clamp(4.5rem, 12vw, 9rem) clamp(1rem, 5vw, 3rem);
}

.section--narrow {
  width: min(100%, 760px);
  margin: 0 auto;
}

.hero {
  display: grid;
  min-height: 100svh;
  align-items: center;
  gap: clamp(1.35rem, 6vw, 5rem);
  padding-top: max(4rem, calc(3rem + env(safe-area-inset-top)));
}

.hero__copy {
  max-width: 640px;
  min-width: 0;
}

.kicker {
  margin: 0 0 0.85rem;
  color: var(--rose-deep);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  text-wrap: pretty;
}

h1,
h2,
h3 {
  margin: 0;
  font-family: var(--serif);
  font-weight: 500;
  line-height: 0.98;
  overflow-wrap: break-word;
}

h1 {
  max-width: min(100%, 11ch);
  font-size: clamp(2.5rem, 12.9vw, 5.15rem);
}

h1 span {
  display: block;
}

h2 {
  max-width: min(100%, 12ch);
  font-size: clamp(2.25rem, 10vw, 5.6rem);
}

h3 {
  font-size: clamp(1.85rem, 8.5vw, 3.9rem);
}

.hero__note,
.intro p,
.memory-card__copy p,
.letter__paper p {
  color: var(--ink-soft);
  font-size: clamp(1.02rem, 4.4vw, 1.22rem);
  line-height: 1.72;
}

.hero__note {
  max-width: min(100%, 27ch);
  margin: 1.25rem 0 0;
}

.film-card,
.mini-frame {
  position: relative;
  margin: 0;
  border: 1px solid rgba(255, 248, 239, 0.78);
  background: rgba(255, 248, 239, 0.8);
  box-shadow: var(--shadow);
}

.film-card {
  width: min(100%, 31rem);
  padding: clamp(0.62rem, 2.8vw, 0.95rem);
  --rotation: -1.5deg;
  --lift: 0px;
  transform: translateY(var(--lift)) rotate(var(--rotation));
}

.hero__photo {
  justify-self: center;
}

.film-card::before,
.mini-frame::before {
  position: absolute;
  inset: 0;
  pointer-events: none;
  content: "";
  background-image:
    radial-gradient(circle at 20% 30%, rgba(255, 255, 255, 0.2), transparent 0.16rem),
    radial-gradient(circle at 78% 62%, rgba(39, 24, 32, 0.16), transparent 0.12rem);
  background-size: 1.1rem 1.1rem, 1.35rem 1.35rem;
  opacity: 0.28;
  mix-blend-mode: multiply;
}

.film-card figcaption,
.mini-frame figcaption {
  display: flex;
  min-height: 44px;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  color: var(--ink-soft);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.photo-surface {
  position: relative;
  overflow: hidden;
  min-height: 19rem;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.34), transparent 42%),
    linear-gradient(160deg, #d49a94, #734553);
  isolation: isolate;
}

.photo-surface img {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.photo-surface::before {
  position: absolute;
  inset: 11% 13%;
  z-index: 1;
  border: 1px solid rgba(255, 248, 239, 0.42);
  content: "";
}

.photo-surface::after {
  position: absolute;
  inset: 0;
  z-index: 2;
  content: "";
  background:
    linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.16), transparent),
    radial-gradient(circle at 50% 20%, rgba(255, 244, 225, 0.54), transparent 18%),
    radial-gradient(circle at 45% 54%, rgba(39, 24, 32, 0.18), transparent 24%);
  mix-blend-mode: soft-light;
}

.photo-surface--hero {
  min-height: clamp(24rem, 108vw, 35rem);
  background:
    radial-gradient(circle at 58% 20%, rgba(255, 239, 213, 0.85), transparent 13rem),
    radial-gradient(circle at 45% 44%, rgba(255, 216, 204, 0.82), transparent 10rem),
    linear-gradient(145deg, #3b2530 4%, #b35d6d 54%, #f0be83 100%);
}

.photo-surface--morning {
  background:
    radial-gradient(circle at 70% 22%, rgba(255, 242, 209, 0.88), transparent 9rem),
    linear-gradient(145deg, #724c53, #d78e84 56%, #efc878);
}

.photo-surface--city {
  background:
    radial-gradient(circle at 32% 18%, rgba(242, 192, 124, 0.72), transparent 8rem),
    linear-gradient(145deg, #2e2230, #7d4d61 52%, #c38b84);
}

.photo-surface--rain {
  background:
    radial-gradient(circle at 58% 28%, rgba(255, 242, 221, 0.62), transparent 8rem),
    linear-gradient(150deg, #354047, #7b6670 48%, #cfa296);
}

.photo-surface--gold {
  background: linear-gradient(150deg, #624654, #c07b72 56%, #e4b66f);
}

.photo-surface--rose {
  background: linear-gradient(150deg, #4b2433, #b86673 54%, #f1c3ac);
}

.photo-surface--blue {
  background: linear-gradient(150deg, #28313d, #6f7280 55%, #d59b8d);
}

.photo-surface--green {
  background: linear-gradient(150deg, #394034, #7b8068 58%, #d5ad82);
}

.intro {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.intro p {
  margin: 0;
  color: var(--ink);
  font-family: var(--serif);
  font-size: clamp(1.55rem, 7vw, 3rem);
  line-height: 1.22;
}

.section-heading {
  margin-bottom: clamp(2rem, 8vw, 4rem);
}

.memory {
  display: grid;
  gap: clamp(3rem, 10vw, 7rem);
}

.memory-list {
  display: grid;
  gap: clamp(3rem, 10vw, 7rem);
}

.memory-card {
  display: grid;
  gap: 1.6rem;
  align-items: center;
}

.memory-card .photo-surface {
  min-height: clamp(24rem, 105vw, 34rem);
}

.memory-card:nth-of-type(odd) .film-card {
  --rotation: 1.35deg;
}

.memory-card__copy {
  max-width: 34rem;
}

.memory-card__number {
  margin: 0 0 1rem;
  color: var(--candle);
  font-family: var(--serif);
  font-size: 3.25rem;
  line-height: 1;
}

.memory-card__copy p {
  margin: 1rem 0 0;
}

.love-notes {
  background:
    linear-gradient(180deg, rgba(39, 24, 32, 0.94), rgba(56, 35, 46, 0.96)),
    var(--ink);
  color: var(--paper);
  margin-inline: calc(clamp(1rem, 5vw, 3rem) * -1);
  padding-inline: clamp(1.45rem, 7vw, 3.5rem);
}

.love-notes .kicker,
.love-notes h2 {
  color: var(--paper);
}

.note-stack {
  display: grid;
  gap: 0.9rem;
}

.note {
  display: grid;
  grid-template-columns: 3rem 1fr;
  gap: 1rem;
  align-items: start;
  padding: 1.1rem 0;
  border-top: 1px solid rgba(255, 248, 239, 0.2);
}

.note:last-child {
  border-bottom: 1px solid rgba(255, 248, 239, 0.2);
}

.note span {
  color: var(--candle);
  font-family: var(--serif);
  font-size: 1.45rem;
}

.note p {
  margin: 0;
  color: rgba(255, 248, 239, 0.84);
  font-family: var(--serif);
  font-size: clamp(1.25rem, 5.6vw, 2rem);
  line-height: 1.34;
}

.film-strip {
  display: grid;
  grid-auto-columns: minmax(14.5rem, 72vw);
  grid-auto-flow: column;
  gap: 1rem;
  overflow-x: auto;
  padding: 0.75rem clamp(1rem, 5vw, 3rem) 1.5rem;
  margin-inline: calc(clamp(1rem, 5vw, 3rem) * -1);
  scroll-snap-type: x mandatory;
  scrollbar-width: thin;
}

.mini-frame {
  min-width: 0;
  padding: 0.55rem;
  scroll-snap-align: center;
}

.mini-frame .photo-surface {
  min-height: 17rem;
}

.mini-frame figcaption {
  justify-content: center;
}

.letter {
  padding-bottom: max(5rem, calc(5rem + env(safe-area-inset-bottom)));
}

.letter__shell {
  max-width: 760px;
  margin: 0 auto;
  padding: clamp(1.2rem, 5vw, 2.4rem);
  border: 1px solid rgba(39, 24, 32, 0.16);
  background: rgba(255, 248, 239, 0.54);
  box-shadow: 0 24px 80px rgba(39, 24, 32, 0.12);
}

.letter__shell h2 {
  max-width: 13ch;
}

.letter-toggle {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  margin: 1.5rem 0;
  border: 1px solid rgba(39, 24, 32, 0.22);
  border-radius: 999px;
  background: var(--ink);
  color: var(--paper);
  cursor: pointer;
  padding: 0.85rem 1.15rem;
  transition: transform 260ms var(--ease), background-color 260ms var(--ease);
}

.letter-toggle:active {
  transform: scale(0.98);
}

.letter-toggle:focus-visible {
  outline: 3px solid var(--candle);
  outline-offset: 3px;
}

.letter__paper {
  display: grid;
  grid-template-rows: 1fr;
  overflow: hidden;
  border-top: 1px solid var(--line);
  transition: grid-template-rows 600ms var(--ease), opacity 420ms var(--ease);
}

.letter__paper.is-closed {
  grid-template-rows: 0fr;
  opacity: 0;
}

.letter__paper > * {
  min-height: 0;
}

.letter__paper p {
  margin: 1.2rem 0 0;
  font-family: var(--serif);
}

.letter__paper p:first-child {
  margin-top: 1.5rem;
  color: var(--ink);
}

.letter__paper .signature {
  color: var(--rose-deep);
  font-size: clamp(1.5rem, 7vw, 2.65rem);
  line-height: 1.16;
}

.reveal {
  transition: opacity 900ms var(--ease), transform 900ms var(--ease);
}

.reveal.is-pending {
  opacity: 0;
  transform: translateY(28px);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 360px) {
  .hero {
    gap: 1rem;
    padding-top: max(3.25rem, calc(2.75rem + env(safe-area-inset-top)));
  }

  h1 {
    font-size: clamp(2.35rem, 12vw, 2.55rem);
    line-height: 0.96;
  }
}

@media (max-width: 719px) {
  .love-notes {
    margin-inline: 0;
    padding-inline: clamp(1.5rem, 7vw, 2.25rem);
  }

  .note {
    grid-template-columns: 2.35rem minmax(0, 1fr);
    gap: 0.85rem;
  }
}

@media (min-width: 720px) {
  .gate__field {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }

  h1 {
    font-size: clamp(4.4rem, 9vw, 7.4rem);
  }

  h2 {
    font-size: clamp(3.2rem, 7vw, 5.6rem);
  }

  .hero {
    grid-template-columns: minmax(0, 1fr) minmax(19rem, 0.82fr);
  }

  .hero__photo {
    justify-self: end;
  }

  .memory-card {
    grid-template-columns: minmax(18rem, 0.88fr) minmax(0, 1fr);
    gap: clamp(2rem, 6vw, 5rem);
  }

  .memory-card--reverse {
    grid-template-columns: minmax(0, 1fr) minmax(18rem, 0.88fr);
  }

  .memory-card--reverse .film-card {
    order: 2;
  }

  .memory-card--reverse .memory-card__copy {
    justify-self: end;
  }

  .note-stack {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0 2rem;
  }

  .note:nth-last-child(2) {
    border-bottom: 1px solid rgba(255, 248, 239, 0.2);
  }

  .film-strip {
    grid-auto-flow: initial;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    column-gap: 1rem;
    row-gap: clamp(1.75rem, 3vw, 2.75rem);
    overflow: visible;
    padding-inline: 0;
    margin-inline: 0;
  }
}

@media (min-width: 1040px) {
  .section {
    padding-inline: clamp(2rem, 5vw, 4rem);
  }

  .hero {
    min-height: 96svh;
  }

  .photo-surface {
    min-height: 25rem;
  }

  .mini-frame:nth-child(2),
  .mini-frame:nth-child(4) {
    margin-top: 2.8rem;
  }
}

@media (max-height: 540px) and (orientation: landscape) {
  .hero {
    min-height: auto;
    padding-top: 3.5rem;
  }

  .photo-surface--hero {
    min-height: 18rem;
  }
}

@media (hover: hover) and (pointer: fine) {
  .gate__field button:hover {
    background: var(--rose-deep);
  }

  .letter-toggle:hover {
    background: var(--rose-deep);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}