@font-face {
    font-family: "Great Vibes";
    src: url("fuentes/greatvibes.woff2") format("woff2");
    font-display: swap;
}

@font-face {
    font-family: "Cormorant Garamond";
    src: url("fuentes/cormorantgaramond.woff2") format("woff2");
    font-display: swap;
    font-weight: 500;
}

:root {
    color-scheme: dark;
    font-family: Georgia, serif;
    color: #f8e2e7;
    background: #0a0509;
}

* { box-sizing: border-box; }
body { margin: 0; overflow: hidden; }
button { font: inherit; }
[hidden] { display: none !important; }

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip-path: inset(50%);
    white-space: nowrap;
}

.gift-experience {
    --gift-poster-width: min(100vw, 150vh);
    position: relative;
    isolation: isolate;
    height: 100vh;
    height: 100svh;
    overflow: hidden;
    background:
        radial-gradient(ellipse at 49% 46%, #5b1635 0%, #341020 28%, transparent 63%),
        radial-gradient(ellipse at 49% 56%, #2b0e20, #0a050a 80%);
}

@supports (height: 100svh) {
    .gift-experience { --gift-poster-width: min(100vw, 150svh); }
}

.gift-stage, #gift-canvas, .gift-poster {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
}

#gift-canvas { opacity: 0; touch-action: none; }
.gift-poster { object-fit: contain; pointer-events: none; }
#gift-canvas, .gift-poster { transition: opacity .26s ease; }
.gift-poster-open { opacity: 0; }
.gift-stage.is-rendered #gift-canvas { opacity: 1; }
.gift-stage.is-open .gift-poster-open { opacity: 1; }
.gift-stage.is-opening:not(.is-rendered) .gift-poster-open {
    opacity: 1;
    transition: opacity 1.75s ease-in-out .55s;
}
.gift-stage.is-rendered .gift-poster,
.gift-stage.is-open > .gift-poster:not(.gift-poster-open) { opacity: 0; }

.gift-entry-controls {
    position: absolute;
    z-index: 3;
    top: max(1rem, env(safe-area-inset-top));
    left: max(1rem, env(safe-area-inset-left));
    display: flex;
    align-items: center;
    gap: .4rem;
}

.catalog-back,
.gift-music-toggle {
    border: 1px solid #e9adc333;
    border-radius: 99px;
    color: #f8e2e7;
    background: #13081080;
}

.catalog-back {
    display: inline-flex;
    align-items: center;
    gap: .45rem;
    padding: .5rem .72rem;
    text-decoration: none;
    font: 500 .78rem/1.4 system-ui, sans-serif;
}

.gift-music-toggle {
    display: grid;
    width: 2.5rem;
    height: 2.5rem;
    place-items: center;
    padding: 0;
    cursor: pointer;
    touch-action: manipulation;
}

.catalog-back:hover,
.gift-music-toggle:hover { background: #321021; }

.gift-music-waves,
.gift-music-toggle.is-playing .gift-music-paused { display: none; }
.gift-music-toggle.is-playing .gift-music-waves { display: inline; }

@media (max-width: 19rem) {
    .gift-entry-controls { gap: .25rem; }
    .catalog-back { gap: .25rem; padding-inline: .5rem; }
    .gift-music-toggle { width: 2.25rem; height: 2.25rem; }
}

.gift-camera-controls {
    position: absolute;
    z-index: 3;
    top: max(1rem, env(safe-area-inset-top));
    right: max(1rem, env(safe-area-inset-right));
    display: flex;
    gap: .25rem;
    padding: .2rem;
    border: 1px solid #e9adc333;
    border-radius: 99px;
    background: #13081080;
}

.gift-camera-controls button {
    display: grid;
    width: 2.25rem;
    height: 2.25rem;
    place-items: center;
    padding: 0;
    border: 0;
    border-radius: 50%;
    color: #f8e2e7;
    background: transparent;
    font: 500 1.15rem/1 system-ui, sans-serif;
    cursor: pointer;
    touch-action: manipulation;
}

.gift-camera-controls button:hover { background: #642644; }
.gift-stage.is-rendered ~ .gift-target { touch-action: none; }

.gift-target {
    position: absolute;
    z-index: 2;
    width: 48px;
    height: 48px;
    padding: 0;
    border: 0;
    border-radius: 1rem;
    background: transparent;
    cursor: pointer;
    transform: translate(-50%, -50%);
    touch-action: manipulation;
}

.gift-target[aria-disabled="true"] { pointer-events: none; }

.gift-target-lock {
    left: calc(50% - var(--gift-poster-width) * .01667);
    top: calc(50% + var(--gift-poster-width) * .03778);
}

.gift-target-envelope {
    width: max(48px, calc(var(--gift-poster-width) * .09));
    height: max(48px, calc(var(--gift-poster-width) * .054));
    left: calc(50% + var(--gift-poster-width) * .03889);
    top: calc(50% + var(--gift-poster-width) * .16222);
}

:focus-visible {
    outline: 2px solid #ffc0d4;
    outline-offset: 4px;
}

.gift-heading {
    position: absolute;
    z-index: 1;
    top: max(12%, 4.75rem);
    left: 50%;
    width: min(86%, 44rem);
    margin: 0;
    transform: translateX(-50%);
    font-size: clamp(.95rem, 3.45vw, 2.2rem);
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: .2em;
    color: #ffe9ef;
    text-align: center;
    text-shadow: 0 2px 9px #4d0c2b, 0 0 25px #f67ba277;
    text-transform: uppercase;
    overflow-wrap: anywhere;
    pointer-events: none;
    animation: heading-appear .8s ease-out both;
}

@keyframes heading-appear {
    from { opacity: 0; translate: 0 .6rem; }
    to { opacity: 1; translate: 0 0; }
}

.gift-instruction {
    position: absolute;
    z-index: 1;
    right: 1rem;
    bottom: max(1.25rem, env(safe-area-inset-bottom));
    left: 1rem;
    margin: 0;
    color: #f3c4d5;
    text-shadow: 0 1px 6px #16060e;
    text-align: center;
    font-size: clamp(.9rem, 1.8vw, 1.12rem);
    letter-spacing: .04em;
    pointer-events: none;
}

.gift-letter {
    position: fixed;
    inset: 0;
    width: min(calc(100% - 2.5rem), 28rem);
    max-height: min(calc(100% - 2.5rem), 42rem);
    padding: 1.7rem clamp(1.4rem, 6vw, 3rem) 1.4rem;
    overflow: auto;
    color-scheme: light;
    color: #503d2b;
    background: radial-gradient(ellipse at 48% 40%, #fffdf1 0%, #fff8df 64%, #efdec0 100%);
    border: 1px solid #d6b17c;
    border-radius: .65rem;
    box-shadow: 0 15px 65px #0009, inset 0 0 0 5px #fff6e7, inset 0 0 0 6px #e2c8a4;
    text-align: center;
    font: 500 clamp(1.1rem, 4vw, 1.28rem)/1.4 "Cormorant Garamond", Georgia, serif;
}

.gift-letter[open]:not(.is-revealing) { animation: letter-appear .22s ease-out both; }
.gift-letter::backdrop { background: #12061188; backdrop-filter: blur(4px); }

@keyframes letter-appear {
    from { transform: translateY(.6rem) scale(.97); opacity: 0; }
    to { transform: translateY(0) scale(1); opacity: 1; }
}

.gift-letter.is-revealing {
    overflow: visible;
    background: transparent;
    border-color: transparent;
    box-shadow: none;
    outline: none;
}

.gift-letter.is-revealing > :not(.letter-opening) { visibility: hidden; }

.letter-opening {
    display: none;
    position: absolute;
    top: 50%;
    left: 50%;
    width: min(60vw, 15rem);
    aspect-ratio: 1.65;
    perspective: 40rem;
    filter: drop-shadow(0 12px 24px #18081088);
    pointer-events: none;
}

.gift-letter.is-revealing .letter-opening {
    display: block;
    --opening-duration: 980ms;
    animation: envelope-reveal var(--opening-duration) ease both;
}

.letter-envelope-back,
.letter-envelope-front {
    position: absolute;
    inset: 0;
    border-radius: .24rem;
}

.letter-envelope-back {
    background: linear-gradient(155deg, #bc8666, #e1ba97 70%);
    border: 1px solid #b1855d;
}

.letter-envelope-front {
    z-index: 3;
    background: linear-gradient(145deg, #fff7df, #efd6b5);
    clip-path: polygon(0 0, 50% 57%, 100% 0, 100% 100%, 0 100%);
    border: 1px solid #cda47c;
}

.letter-envelope-flap {
    position: absolute;
    inset: 0 0 auto;
    height: 58%;
    background: linear-gradient(#fff9e9, #f6deb7);
    border-radius: .24rem .24rem 0 0;
    clip-path: polygon(0 0, 100% 0, 50% 100%);
    transform-origin: top;
    animation: envelope-unfold var(--opening-duration) ease both;
}

.letter-envelope-flap::after {
    content: "♥";
    position: absolute;
    top: 65%;
    left: 50%;
    display: grid;
    place-items: center;
    width: clamp(.8rem, 4vw, 1.3rem);
    aspect-ratio: 1;
    border-radius: 50%;
    background: radial-gradient(circle at 35% 25%, #dd4764, #9b1d3e 75%);
    color: #ffe2d6;
    transform: translateX(-50%);
    font: .65rem/1 Georgia, serif;
}

.letter-envelope-paper {
    position: absolute;
    z-index: 2;
    top: 1%;
    right: 10%;
    left: 10%;
    height: 85%;
    border: 1px solid #e0c49c;
    border-radius: .24rem;
    background:
        repeating-linear-gradient(transparent 0 .45rem, #d8b99e .45rem .5rem) center / 70% 1.55rem no-repeat,
        linear-gradient(135deg, #fffdf2, #fff0d3);
    box-shadow: 0 1px 4px #783b3833;
    animation: paper-emerge var(--opening-duration) ease-out both;
}

@keyframes envelope-reveal {
    0% {
        opacity: .35;
        transform: translate(calc(-50% + var(--envelope-start-x, 0px)), calc(-50% + var(--envelope-start-y, 0px))) scale(.24);
    }
    23%, 90% { opacity: 1; transform: translate(-50%, -50%); }
    100% { opacity: 0; transform: translate(-50%, -53%) scale(1.04); }
}

@keyframes envelope-unfold {
    0%, 25% { z-index: 4; transform: rotateX(0); }
    52%, 100% { z-index: 1; transform: rotateX(180deg); }
}

@keyframes paper-emerge {
    0%, 46% { transform: translateY(15%); }
    88%, 100% { transform: translateY(-70%) scale(1.04); }
}

.letter-seal {
    display: grid;
    place-items: center;
    width: 2.75rem;
    height: 2.75rem;
    margin: 0 auto .68rem;
    border: 2px solid #b61e43;
    border-radius: 51% 48% 50% 45%;
    background: radial-gradient(circle at 35% 25%, #e3455e, #a50932 58%, #7a0925 100%);
    color: #ffdcc5;
    text-shadow: 0 1px 2px #8c1230;
    box-shadow: 0 3px 5px #7f203046, inset 0 0 0 3px #ff789442;
    font: 1.15rem Georgia, serif;
}

.letter-close {
    position: absolute;
    top: .5rem;
    right: .65rem;
    width: 2rem;
    height: 2rem;
    padding: 0;
    color: #834d50;
    background: transparent;
    border: 0;
    border-radius: 50%;
    cursor: pointer;
    font: 1.45rem/1 system-ui, sans-serif;
}

.letter-close:hover { background: #b9665d17; }
.gift-letter :focus-visible { outline-color: #a52045; }

#letter-title {
    margin: 0 0 .95rem;
    color: #087e88;
    font: 400 clamp(1.8rem, 6.5vw, 2.5rem)/1.15 "Great Vibes", "Segoe Script", cursive;
}

.letter-copy {
    margin: 0;
    overflow-wrap: anywhere;
    white-space: pre-wrap;
}

@media (prefers-reduced-motion: reduce) {
    #gift-canvas, .gift-poster { transition: none; }
    .gift-heading, .gift-letter[open]:not(.is-revealing) { animation: none; }
}