/* =====================================
   CONFIGURACIÓN GENERAL
===================================== */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

:root {
    --mx: 0;
    --my: 0;
}

html,
body {
    width: 100%;
    height: 100dvh;
    height: 100vh;
    overflow: hidden;
    font-family: Arial, sans-serif;
    background: #020006;
    color: white;
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
    -webkit-font-smoothing: antialiased;
}

body {
    cursor: default;
}

/* =====================================
   FONDO PRINCIPAL
 ===================================== */

#pagina {
    width: 100vw;
    height: 100dvh;
    height: 100vh;
    position: relative;
    overflow: hidden;

    background:
        radial-gradient(
            circle at 50% 50%,
            rgba(255, 0, 100, 0.15),
            transparent 30%
        ),
        radial-gradient(
            circle at 20% 20%,
            rgba(90, 0, 255, 0.18),
            transparent 30%
        ),
        radial-gradient(
            circle at 80% 80%,
            rgba(255, 0, 50, 0.15),
            transparent 30%
        ),
        #020006;
}

/* =====================================
   LUCES DEL FONDO
===================================== */

.luz {
    position: absolute;
    width: 250px;
    height: 250px;
    border-radius: 50%;
    background: #ff0055;
    filter: blur(100px);
    opacity: 0.12;
    animation: moverLuz 7s infinite alternate ease-in-out;
}

.luz:nth-child(1) {
    left: 5%;
    top: 5%;
}

.luz:nth-child(2) {
    right: 5%;
    top: 15%;
    animation-delay: 2s;
}

.luz:nth-child(3) {
    left: 30%;
    bottom: -100px;
    animation-delay: 4s;
}

@keyframes moverLuz {
    from {
        transform: translate(0, 0);
    }

    to {
        transform: translate(100px, -60px);
    }
}
#corazonContenedor {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%) translateZ(20px) rotateX(calc(var(--my) * -6deg)) rotateY(calc(var(--mx) * 6deg));
    text-align: center;
    cursor: pointer;
    z-index: 20;
    padding: 24px 28px;
    animation: entradaCorazon 1.4s cubic-bezier(0.22, 1, 0.36, 1) 0.5s forwards;
    opacity: 0;
    transform-style: preserve-3d;
}

@keyframes entradaCorazon {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.corazon-halo {
    position: absolute;
    left: 50%;
    top: 50%;
    width: 240px;
    height: 240px;
    transform: translate(-50%, -50%) translateZ(15px) rotateX(calc(var(--my) * -5deg)) rotateY(calc(var(--mx) * 5deg));
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    animation: pulsoHalo 2.8s ease-in-out infinite;
    box-shadow: 0 0 30px rgba(255, 23, 111, 0.15);
    transform-style: preserve-3d;
}

.portada-ornamentos {
    position: absolute;
    inset: 0;
    pointer-events: none;
    animation: entradaOrnamentos 1.6s cubic-bezier(0.22, 1, 0.36, 1) 0.2s forwards;
    opacity: 0;
    transform: translateZ(-10px) rotateX(calc(var(--my) * -3deg)) rotateY(calc(var(--mx) * 3deg));
    transform-style: preserve-3d;
}

@keyframes entradaOrnamentos {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.anillo {
    position: absolute;
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 50%;
    animation: rotar 10s linear infinite;
    transform-style: preserve-3d;
}

.anillo-1 {
    width: 220px;
    height: 220px;
    top: 8%;
    left: 8%;
    opacity: 0.5;
    transform: translateZ(-15px) rotateX(calc(var(--my) * -2deg)) rotateY(calc(var(--mx) * 2deg));
}

.anillo-2 {
    width: 320px;
    height: 320px;
    right: -60px;
    bottom: -80px;
    border-color: rgba(255, 23, 111, 0.35);
    animation-duration: 14s;
    animation-direction: reverse;
    transform: translateZ(-20px) rotateX(calc(var(--my) * -2.5deg)) rotateY(calc(var(--mx) * 2.5deg));
}

.anillo-3 {
    width: 140px;
    height: 140px;
    top: 16%;
    left: 50%;
    border-color: rgba(255, 255, 255, 0.25);
    animation-duration: 7s;
    transform: translateZ(-12px) rotateX(calc(var(--my) * -2deg)) rotateY(calc(var(--mx) * 2deg));
}

.portada-texto {
    position: absolute;
    top: 7%;
    left: 50%;
    width: min(85%, 440px);
    transform: translateX(-50%) translateZ(5px) rotateX(calc(var(--my) * -2deg)) rotateY(calc(var(--mx) * 2deg));
    text-align: center;
    z-index: 5;
    padding: 16px 24px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.06);
    backdrop-filter: blur(14px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    box-shadow:
        0 10px 40px rgba(0, 0, 0, 0.25),
        inset 0 0 30px rgba(255, 255, 255, 0.04);
    animation: entradaPortada 2.5s cubic-bezier(0.22, 1, 0.36, 1) forwards;
    opacity: 0;
    transform-style: preserve-3d;
}

@keyframes entradaPortada {
    0%, 100% {
        opacity: 0;
        scale: 0.96;
    }
    25%, 75% {
        opacity: 1;
        scale: 1;
    }
}

.portada-etiqueta {
    font-size: 10px;
    letter-spacing: 4px;
    text-transform: uppercase;
    color: #ffd8e7;
    margin-bottom: 8px;
    opacity: 0.9;
    animation: entradaEtiqueta 2.5s cubic-bezier(0.22, 1, 0.36, 1) 0s forwards;
    opacity: 0;
}

@keyframes entradaEtiqueta {
    from {
        opacity: 0;
    }
    to {
        opacity: 0.9;
    }
}

.portada-texto h2 {
    font-size: clamp(1.3rem, 2.4vw, 2.1rem);
    line-height: 1.2;
    color: #ffffff;
    font-weight: 600;
    text-shadow:
        0 0 20px rgba(255, 23, 111, 0.4),
        0 0 40px rgba(90, 0, 255, 0.25);
    animation: entradaTitulo 2.5s cubic-bezier(0.22, 1, 0.36, 1) 0.3s forwards;
    opacity: 0;
}

@keyframes entradaTitulo {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.portada-mensaje {
    margin-top: 8px;
    font-size: clamp(0.75rem, 1.6vw, 0.95rem);
    color: rgba(255, 255, 255, 0.75);
    font-style: italic;
    letter-spacing: 0.5px;
    text-shadow: 0 0 12px rgba(255, 23, 111, 0.25);
    animation: entradaMensaje 2.5s cubic-bezier(0.22, 1, 0.36, 1) 0.6s forwards;
    opacity: 0;
}

@keyframes entradaMensaje {
    from {
        opacity: 0;
    }
    to {
        opacity: 0.75;
    }
}

#corazon {
    position: relative;
    width: 100px;
    height: 100px;
    background: #ff176f;
    transform: rotate(-45deg);
    box-shadow:
        0 0 25px #ff176f,
        0 0 50px #ff176f,
        0 0 100px #ff176f,
        0 0 160px rgba(255, 0, 100, 0.8);
    animation: latido 1.2s infinite;
    transition: transform 0.3s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.3s ease, filter 0.3s ease;
}

#corazon:hover {
    transform: rotate(-45deg) scale(1.1);
    box-shadow:
        0 0 35px #ff176f,
        0 0 70px #ff176f,
        0 0 130px #ff176f,
        0 0 200px rgba(255, 0, 100, 1);
    filter: brightness(1.15);
}

#corazon.corazon-activado {
    animation: none;
    transform: rotate(-45deg) scale(1.08);
    filter: brightness(1.2);
    box-shadow:
        0 0 30px #ff176f,
        0 0 60px #ff176f,
        0 0 120px #ff176f,
        0 0 200px rgba(255, 0, 100, 1);
}

#corazon::before,
#corazon::after {
    content: "";
    position: absolute;
    width: 100px;
    height: 100px;
    background: #ff176f;
    border-radius: 50%;
}

#corazon::before {
    top: -50px;
    left: 0;
}

#corazon::after {
    top: 0;
    left: 50px;
}

@keyframes latido {
    0%,
    100% {
        transform: rotate(-45deg) scale(1);
    }

    50% {
        transform: rotate(-45deg) scale(1.15);
    }
}

@keyframes rotar {
    from {
        rotate: 0deg;
    }
    to {
        rotate: 360deg;
    }
}

@keyframes pulsoHalo {
    0%,
    100% {
        scale: 0.9;
        opacity: 0.25;
    }

    50% {
        scale: 1.08;
        opacity: 0.6;
    }
}

/* =====================================
    TEXTO DEL CORAZÓN
 ===================================== */

#instruccion {
    margin-top: 120px;
    font-size: 11px;
    letter-spacing: 3px;
    color: #ffd7e5;
    text-transform: uppercase;
    text-shadow:
        0 0 12px #ff176f,
        0 0 24px #ff176f;
    animation: entradaInstruccion 2s cubic-bezier(0.22, 1, 0.36, 1) 0.8s forwards;
    opacity: 0;
}

@keyframes entradaInstruccion {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 0.9;
        transform: translateY(0);
    }
}

#indicadorMusica {
    position: absolute;
    left: 50%;
    bottom: -28px;
    transform: translateX(-50%);
    font-size: 10px;
    letter-spacing: 2px;
    color: #ffd7e5;
    text-transform: uppercase;
    opacity: 0;
    transition: opacity 0.4s ease, transform 0.4s ease;
    pointer-events: none;
    white-space: nowrap;
}

#indicadorMusica.visible {
    opacity: 0.9;
    transform: translateX(-50%) translateY(4px);
}

/* =====================================
    PARTÍCULAS
 ===================================== */

.particula {
    position: absolute;
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: #ff4f9a;
    box-shadow:
        0 0 8px #ff176f,
        0 0 18px #ff176f;
    pointer-events: none;
    animation: subirParticula linear forwards;
}

@keyframes subirParticula {
    0% {
        opacity: 0;
        transform: translate(0, 0) scale(0.5);
    }

    20% {
        opacity: 1;
    }

    100% {
        opacity: 0;
        transform: translate(var(--movX), var(--movY)) scale(0);
    }
}

/* =====================================
   CORAZONES QUE EXPLOTAN
===================================== */

.miniCorazon {
    position: absolute;
    color: #ff2875;
    font-size: 20px;
    pointer-events: none;
    z-index: 100;
    text-shadow:
        0 0 10px #ff176f,
        0 0 25px #ff176f;
    animation: explosion 2.5s ease-out forwards;
}

@keyframes explosion {
    0% {
        opacity: 1;
        transform: translate(0, 0) scale(0.2) rotate(0deg);
    }

    100% {
        opacity: 0;
        transform: translate(var(--x), var(--y)) scale(1.5) rotate(360deg);
    }
}

/* =====================================
   SEGUNDA ESCENA
===================================== */

#escena2 {
    position: absolute;
    inset: 0;
    display: none;
    overflow: hidden;
    opacity: 0;
    transform: scale(0.96);
    background:
        radial-gradient(
            circle at 50% 45%,
            rgba(255, 0, 100, 0.20),
            transparent 32%
        ),
        radial-gradient(
            circle at 20% 20%,
            rgba(80, 0, 255, 0.15),
            transparent 30%
        ),
        #020006;
    z-index: 50;
    transition: opacity 0.6s ease, transform 0.6s ease;
    contain: layout paint;
}

/* =====================================
   TÍTULO
===================================== */

#estrellas {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
    z-index: 1;
    contain: content;
}

.estrella {
    position: absolute;
    width: 2px;
    height: 2px;
    background: white;
    border-radius: 50%;
    box-shadow: 0 0 4px #fff, 0 0 8px #ff5fa2;
    animation: parpadear 2.5s infinite ease-in-out, driftEstrella 6s infinite ease-in-out, caerEstrella 5s infinite ease-in-out;
}

.estrella-fugaz {
    width: 3px;
    height: 3px;
    background: #fff;
    box-shadow: 0 0 8px #fff, 0 0 16px #ff5fa2;
    animation: estrellaFugaz 2.5s linear infinite;
}

@keyframes parpadear {
    0%,
    100% {
        opacity: 0.25;
        transform: scale(0.7) translateY(0);
    }

    50% {
        opacity: 1;
        transform: scale(1.5) translateY(-2px);
    }
}

@keyframes driftEstrella {
    0% {
        transform: translate(0, 0);
    }

    50% {
        transform: translate(6px, -5px);
    }

    100% {
        transform: translate(-3px, 4px);
    }
}

@keyframes caerEstrella {
    0% {
        transform: translateY(0) scale(1);
        opacity: 0.2;
    }

    50% {
        opacity: 1;
        transform: translateY(8px) scale(1.2);
    }

    100% {
        transform: translateY(16px) scale(0.8);
        opacity: 0.2;
    }
}

@keyframes estrellaFugaz {
    0% {
        transform: translate(0, 0) scale(0.3);
        opacity: 0;
    }

    20% {
        opacity: 1;
    }

    100% {
        transform: translate(120px, 70px) scale(1.2);
        opacity: 0;
    }
}

#titulo {
    position: absolute;
    top: 35px;
    width: 100%;
    text-align: center;
    font-size: 28px;
    color: #fff;
    text-shadow: 0 0 10px #ff176f, 0 0 30px #ff176f;
    animation: aparecer 2s ease;
    z-index: 2;
}

@keyframes aparecer {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* =====================================
   FRASES EN ÓRBITA
===================================== */

#corazonOrbital {
    position: absolute;
    inset: 0;
    z-index: 60;
    contain: content;
}

#frasesOrbital {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
}

.corazon-central {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    font-size: 180px;
    color: #ff5fa2;
    text-shadow: 0 0 24px #ff4da6, 0 0 48px #ff1f7a, 0 0 90px #ff006e;
    animation: latidoOrbital 1.2s infinite ease-in-out;
    z-index: 2;
}

.frase-orbital {
    position: absolute;
    transform: translate(-50%, -50%) translate(0px, 0px);
    font-size: 14px;
    color: #ffe2ed;
    text-align: center;
    width: 180px;
    line-height: 1.35;
    letter-spacing: 0.3px;
    text-shadow: 0 0 10px #ff176f, 0 0 20px #ff176f;
    opacity: 0;
    animation: suspenderEnElEspacio var(--dur, 24s) cubic-bezier(0.2, 0.9, 0.2, 1) infinite;
    animation-delay: var(--delay, 0s);
    pointer-events: none;
}

@keyframes latidoOrbital {
    0%,
    100% {
        transform: translate(-50%, -50%) scale(1);
    }

    50% {
        transform: translate(-50%, -50%) scale(1.08);
    }
}

@keyframes suspenderEnElEspacio {
    0% {
        opacity: 0;
        transform: translate(-50%, -50%) translate(0px, 0px) scale(0.65);
    }

    8% {
        opacity: 1;
    }

    50% {
        opacity: 0.95;
        transform: translate(-50%, -50%) translate(calc(var(--dx) * 0.3), calc(var(--dy) * 0.3)) scale(1.02);
    }

    82% {
        opacity: 0.25;
        transform: translate(-50%, -50%) translate(calc(var(--dx) * 0.72), calc(var(--dy) * 0.72)) scale(1.08);
    }

    100% {
        opacity: 0;
        transform: translate(-50%, -50%) translate(calc(var(--dx) * 0.95), calc(var(--dy) * 0.95)) scale(1.14);
    }
}

/* =====================================
   ÁRBOL
===================================== */

#arbol {
    position: absolute;
    width: 600px;
    height: 600px;
    left: 50%;
    top: 51%;
    transform: translate(-50%, -50%);
}

/* =====================================
   TRONCO
===================================== */

.tronco {
    position: absolute;
    width: 32px;
    height: 240px;
    left: 50%;
    bottom: 25px;
    transform: translateX(-50%);
    border-radius: 20px;
    background: linear-gradient(90deg, #25000e, #8d1740, #4b001d, #a52050, #25000e);
    box-shadow: 0 0 20px rgba(255, 0, 80, 0.5);
}

/* ramas */

.rama {
    position: absolute;
    height: 15px;
    background: #68112f;
    border-radius: 20px;
    transform-origin: left center;
    box-shadow: 0 0 15px rgba(255, 0, 80, 0.5);
}

.rama1 {
    width: 190px;
    left: 50%;
    top: 63%;
    transform: rotate(155deg);
}

.rama2 {
    width: 180px;
    left: 50%;
    top: 55%;
    transform: rotate(25deg);
}

.rama3 {
    width: 140px;
    left: 50%;
    top: 45%;
    transform: rotate(155deg);
}

.rama4 {
    width: 130px;
    left: 50%;
    top: 40%;
    transform: rotate(25deg);
}

/* =====================================
   CORAZONES DEL ÁRBOL
===================================== */

.corazonArbol {
    position: absolute;
    color: #ff2d76;
    font-size: 15px;
    text-shadow:
        0 0 5px #ff176f,
        0 0 15px #ff176f,
        0 0 30px #ff0055;
    animation: brilloArbol 1.5s infinite alternate ease-in-out;
}

@keyframes brilloArbol {
    from {
        opacity: 0.35;
        transform: scale(0.75);
    }

    to {
        opacity: 1;
        transform: scale(1.15);
    }
}

/* =====================================
   FRASES
===================================== */

.frase {
    position: absolute;
    color: #ffe2ed;
    font-size: 18px;
    text-shadow:
        0 0 10px #ff176f,
        0 0 20px #ff176f;
    animation: flotarFrase 4s infinite alternate ease-in-out;
}

@keyframes flotarFrase {
    from {
        transform: translateY(0);
        opacity: 0.55;
    }

    to {
        transform: translateY(-20px);
        opacity: 1;
    }
}

/* =====================================
   GALERÍA
===================================== */

#galeria {
    position: absolute;
    left: 50%;
    top: 50%;
    width: 420px;
    height: 420px;
    transform: translate(-50%, -50%);
    z-index: 80;
    animation: rotarOrbita 14s linear infinite;
    contain: content;
}

.foto {
    position: absolute;
    left: 50%;
    top: 50%;
    width: 110px;
    height: 110px;
    object-fit: cover;
    border-radius: 20px;
    border: 2px solid #ff4288;
    box-shadow:
        0 0 10px #ff176f,
        0 0 25px rgba(255, 0, 100, 0.7),
        0 0 45px rgba(255, 0, 100, 0.4);
    opacity: 0;
    transform: translate(-50%, -50%) rotate(var(--angle)) translateY(-165px) rotate(calc(-1 * var(--angle)));
    animation: aparecerFoto 1s forwards;
    transition: transform 0.5s, box-shadow 0.5s;
    transform-style: preserve-3d;
    perspective: 1000px;
}

.foto:nth-child(1) {
    --angle: 0deg;
    animation-delay: 0.5s;
}

.foto:nth-child(2) {
    --angle: 90deg;
    animation-delay: 1s;
}

.foto:nth-child(3) {
    --angle: 180deg;
    animation-delay: 1.5s;
}

.foto:nth-child(4) {
    --angle: 270deg;
    animation-delay: 2s;
}

@keyframes aparecerFoto {
    to {
        opacity: 1;
        transform: translate(-50%, -50%) rotate(var(--angle)) translateY(-165px) rotate(calc(-1 * var(--angle)));
    }
}

@keyframes rotarOrbita {
    from {
        transform: translate(-50%, -50%) rotate(0deg);
    }

    to {
        transform: translate(-50%, -50%) rotate(360deg);
    }
}

.foto:hover {
    transform: translate(-50%, -50%) rotate(var(--angle)) translateY(-165px) rotate(calc(-1 * var(--angle))) scale(1.15);
    box-shadow:
        0 0 20px #ff176f,
        0 0 50px #ff176f;
}

/* =====================================
   BOTÓN
===================================== */

#volver {
    position: absolute;
    right: 25px;
    top: 25px;
    padding: 10px 20px;
    border: 1px solid #ff4288;
    border-radius: 30px;
    background: rgba(255, 0, 80, 0.15);
    color: white;
    cursor: pointer;
    box-shadow: 0 0 15px #ff176f;
    transition: 0.3s ease, transform 0.25s ease;
    z-index: 100;
}

#volver:hover {
    background: #ff176f;
    transform: scale(1.05) translateY(-2px);
}

/* =====================================
   BOTÓN MÚSICA
===================================== */

#musicaBtn {
    position: absolute;
    left: 25px;
    top: 25px;
    width: 45px;
    height: 45px;
    border-radius: 50%;
    border: 1px solid #ff4288;
    background: rgba(255, 0, 80, 0.15);
    color: white;
    cursor: pointer;
    box-shadow: 0 0 15px #ff176f;
    z-index: 100;
    transition: transform 0.25s ease, background 0.25s ease;
}

#musicaBtn:hover {
    transform: scale(1.06);
    background: rgba(255, 23, 111, 0.25);
}

/* =====================================
   RESPONSIVE CELULAR
===================================== */

@media (max-width: 900px) {
    #tarjeta {
        width: min(92vw, 560px);
        height: min(82vh, 720px);
        border-radius: 28px;
    }

    #corazon {
        width: clamp(72px, 16vw, 95px);
        height: clamp(72px, 16vw, 95px);
    }

    #corazon::before,
    #corazon::after {
        width: clamp(72px, 16vw, 95px);
        height: clamp(72px, 16vw, 95px);
    }

    #corazon::before {
        top: calc(-1 * clamp(72px, 16vw, 95px) / 2);
    }

    #corazon::after {
        left: calc(clamp(72px, 16vw, 95px) / 2);
    }

    #instruccion {
        margin-top: clamp(78px, 18vw, 100px);
        font-size: clamp(10px, 2.2vw, 13px);
        letter-spacing: clamp(2px, 0.6vw, 4px);
    }

    #titulo {
        font-size: clamp(20px, 4.6vw, 28px);
        top: calc(env(safe-area-inset-top) + 24px);
    }

    #arbol {
        width: min(72vw, 480px);
        height: min(72vw, 480px);
        top: 50%;
    }

    .tronco {
        height: clamp(180px, 34vw, 240px);
        width: clamp(22px, 4.2vw, 32px);
    }

    .rama1 {
        width: clamp(140px, 31vw, 190px);
    }

    .rama2 {
        width: clamp(130px, 29vw, 180px);
    }

    .rama3 {
        width: clamp(100px, 24vw, 140px);
    }

    .rama4 {
        width: clamp(92px, 22vw, 130px);
    }

    .frase {
        font-size: clamp(12px, 2.7vw, 16px);
    }

    .corazon-central {
        font-size: clamp(96px, 28vw, 180px);
    }

    .frase-orbital {
        width: clamp(120px, 34vw, 200px);
        font-size: clamp(10px, 2.4vw, 18px);
    }

    #galeria {
        width: min(76vw, 420px);
        height: min(76vw, 420px);
        top: 52%;
    }

    .foto {
        width: clamp(72px, 18vw, 110px);
        height: clamp(72px, 18vw, 110px);
        border-radius: 14px;
        --orbit-radius: clamp(100px, 28vw, 165px);
        transform: translate(-50%, -50%) rotate(var(--angle)) translateY(calc(-1 * var(--orbit-radius))) rotate(calc(-1 * var(--angle)));
    }

    @keyframes aparecerFoto {
        to {
            opacity: 1;
            transform: translate(-50%, -50%) rotate(var(--angle)) translateY(calc(-1 * var(--orbit-radius))) rotate(calc(-1 * var(--angle)));
        }
    }

    .foto:hover {
        transform: translate(-50%, -50%) rotate(var(--angle)) translateY(calc(-1 * var(--orbit-radius))) rotate(calc(-1 * var(--angle))) scale(1.1);
    }

    #volver {
        right: max(16px, env(safe-area-inset-right));
        top: max(16px, env(safe-area-inset-top));
        padding: 8px 12px;
        font-size: 12px;
    }
}

@media (max-width: 600px) {
    #tarjeta {
        width: 94vw;
        height: 78vh;
        border-radius: 24px;
    }

    #corazon {
        width: clamp(60px, 17vw, 72px);
        height: clamp(60px, 17vw, 72px);
    }

    #corazon::before,
    #corazon::after {
        width: clamp(60px, 17vw, 72px);
        height: clamp(60px, 17vw, 72px);
    }

    #corazon::before {
        top: calc(-1 * clamp(60px, 17vw, 72px) / 2);
    }

    #corazon::after {
        left: calc(clamp(60px, 17vw, 72px) / 2);
    }

    #instruccion {
        margin-top: 68px;
        font-size: 10px;
        letter-spacing: 2px;
    }

    #titulo {
        font-size: 20px;
        top: calc(env(safe-area-inset-top) + 18px);
    }

    #arbol {
        width: min(80vw, 320px);
        height: min(80vw, 320px);
        top: 52%;
    }

    .tronco {
        height: 170px;
        width: 22px;
    }

    .frase {
        font-size: 12px;
    }

    .corazon-central {
        font-size: clamp(78px, 24vw, 110px);
    }

    .frase-orbital {
        width: clamp(100px, 28vw, 140px);
        font-size: clamp(9px, 2.4vw, 12px);
    }

    #galeria {
        width: min(82vw, 320px);
        height: min(82vw, 320px);
        top: 54%;
    }

    .foto {
        width: clamp(64px, 18vw, 84px);
        height: clamp(64px, 18vw, 84px);
        border-radius: 12px;
        --orbit-radius: clamp(92px, 27vw, 120px);
        transform: translate(-50%, -50%) rotate(var(--angle)) translateY(calc(-1 * var(--orbit-radius))) rotate(calc(-1 * var(--angle)));
    }

    @keyframes aparecerFoto {
        to {
            opacity: 1;
            transform: translate(-50%, -50%) rotate(var(--angle)) translateY(calc(-1 * var(--orbit-radius))) rotate(calc(-1 * var(--angle)));
        }
    }

    .foto:hover {
        transform: translate(-50%, -50%) rotate(var(--angle)) translateY(calc(-1 * var(--orbit-radius))) rotate(calc(-1 * var(--angle))) scale(1.08);
    }

    #volver {
        padding: 8px 12px;
        font-size: 12px;
    }
}

@media (max-width: 380px) {
    #tarjeta {
        width: 96vw;
        height: 76vh;
        border-radius: 20px;
    }

    #corazon {
        width: 60px;
        height: 60px;
    }

    #corazon::before,
    #corazon::after {
        width: 60px;
        height: 60px;
    }

    #corazon::before {
        top: -30px;
    }

    #corazon::after {
        left: 30px;
    }

    #instruccion {
        margin-top: 60px;
        font-size: 9px;
        letter-spacing: 1.5px;
    }

    #titulo {
        font-size: 18px;
        top: calc(env(safe-area-inset-top) + 14px);
    }

    #arbol {
        width: min(90vw, 260px);
        height: min(90vw, 260px);
        top: 50%;
    }

    .tronco {
        height: 140px;
        width: 18px;
    }

    .rama1 { width: 120px; }
    .rama2 { width: 110px; }
    .rama3 { width: 90px; }
    .rama4 { width: 80px; }

    .frase {
        font-size: 11px;
    }

    .corazon-central {
        font-size: clamp(60px, 22vw, 90px);
    }

    .frase-orbital {
        width: 100px;
        font-size: 9px;
    }

    #galeria {
        width: min(90vw, 260px);
        height: min(90vw, 260px);
        top: 56%;
    }

    .foto {
        width: 56px;
        height: 56px;
        border-radius: 10px;
        --orbit-radius: 80px;
        transform: translate(-50%, -50%) rotate(var(--angle)) translateY(calc(-1 * var(--orbit-radius))) rotate(calc(-1 * var(--angle)));
    }

    @keyframes aparecerFoto {
        to {
            opacity: 1;
            transform: translate(-50%, -50%) rotate(var(--angle)) translateY(calc(-1 * var(--orbit-radius))) rotate(calc(-1 * var(--angle)));
        }
    }

    .foto:hover {
        transform: translate(-50%, -50%) rotate(var(--angle)) translateY(calc(-1 * var(--orbit-radius))) rotate(calc(-1 * var(--angle))) scale(1.08);
    }

    #volver {
        padding: 6px 10px;
        font-size: 11px;
    }
}

@media (max-width: 900px) and (max-height: 700px) and (orientation: landscape) {
    #tarjeta {
        width: min(88vw, 560px);
        height: min(88vh, 520px);
        border-radius: 22px;
    }

    #corazonContenedor {
        top: 46%;
    }

    #titulo {
        font-size: 20px;
        top: calc(env(safe-area-inset-top) + 14px);
    }

    #arbol {
        width: min(46vw, 320px);
        height: min(46vw, 320px);
        top: 56%;
    }

    .corazon-central {
        font-size: clamp(72px, 20vw, 110px);
    }

    .frase-orbital {
        width: clamp(90px, 20vw, 120px);
        font-size: 9px;
    }

    #galeria {
        width: min(48vw, 280px);
        height: min(48vw, 280px);
        top: 54%;
    }

    .foto {
        width: clamp(58px, 14vw, 74px);
        height: clamp(58px, 14vw, 74px);
        --orbit-radius: clamp(84px, 20vw, 110px);
        transform: translate(-50%, -50%) rotate(var(--angle)) translateY(calc(-1 * var(--orbit-radius))) rotate(calc(-1 * var(--angle)));
    }

    @keyframes aparecerFoto {
        to {
            opacity: 1;
            transform: translate(-50%, -50%) rotate(var(--angle)) translateY(calc(-1 * var(--orbit-radius))) rotate(calc(-1 * var(--angle)));
        }
    }
}

/* =====================================
   RENDIMIENTO MÓVIL
 ===================================== */

@media (max-width: 600px) {
    .portada-texto {
        animation-duration: 1.8s;
        animation-iteration-count: 1;
        backdrop-filter: none;
        background: rgba(255, 255, 255, 0.04);
    }

    .portada-etiqueta {
        animation-duration: 1.4s;
        animation-iteration-count: 1;
    }

    .portada-texto h2 {
        animation-duration: 1.6s;
        animation-iteration-count: 1;
        font-size: clamp(1.1rem, 2.2vw, 1.5rem);
    }

    .portada-mensaje {
        animation-duration: 1.8s;
        animation-iteration-count: 1;
        font-size: clamp(0.7rem, 1.4vw, 0.85rem);
    }

    #instruccion {
        animation-duration: 1.8s;
        animation-iteration-count: 1;
    }

    #corazonContenedor {
        animation-duration: 0.8s;
        animation-delay: 0.15s;
    }

    #tarjeta {
        animation-duration: 0.6s;
    }

    #corazon {
        box-shadow:
            0 0 12px #ff176f,
            0 0 24px #ff176f,
            0 0 48px rgba(255, 0, 100, 0.7);
    }

    .anillo {
        display: none;
    }

    .luz {
        width: 140px;
        height: 140px;
        filter: blur(60px);
        opacity: 0.06;
    }

    .corazon-halo {
        width: 180px;
        height: 180px;
    }

    #instruccion {
        margin-top: 80px;
    }
}

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