/* =============================================
   SimiMundial — Estilos globales
   ============================================= */

/* --- Tipografía --- */
@import url("https://use.typekit.net/zwo7qkw.css");

:root {
    --color-primary: #0d0721;
    --color-secondary: #095b43;
    --color-album-bg: #0a5c43;
    --color-card-bg: #033d2b;
    --color-green-light: #1cd194;
    --font-abolition: "abolition", sans-serif;
    --font-abolition-soft: "abolition-soft", sans-serif;
}

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

html,
body {
    height: 100%;
    overflow: hidden;
    font-family: var(--font-abolition);
    font-weight: 400;
    font-style: normal;
    background: var(--color-primary);
    color: #fff;
}

/* --- Pantallas de página completa --- */
.screen {
    width: 100vw;
    height: 100dvh;
    overflow: hidden;
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

/* --- Fondo con imagen --- */
.bg-cover {
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

/* =============================================
   SPLASH
   ============================================= */
#splash-screen {
    background: var(--color-primary);
}

.splash-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center center;
}

/* =============================================
   SOBRES
   ============================================= */
#sobres-screen {
    background-image: url("../img/sobres/back_azul.webp");
}

.sobres-title,
.estampa-title {
    font-family: var(--font-abolition);
    font-size: 2.5rem;
    text-align: center;
    text-transform: uppercase;
    line-height: 1.1;
    color: var(--color-primary);
    letter-spacing: .03em;
}

.estrellas-img {
    width: 6rem;
    margin-top: 2rem;
}

/* Infinite card slider */
.slider-wrapper {
    width: min(94vw, 560px);
    overflow: visible;
    position: relative;
    margin-inline: auto;
    padding-block: 38px;
}

.slider-track {
    display: flex;
    align-items: center;
    gap: 12px;
    will-change: transform;
}

.slider-card {
    flex-shrink: 0;
    /* border-radius: 18px; */
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: .52;
    transform: scale(.78);
    transition: transform .3s ease, box-shadow .3s ease, opacity .3s ease;
}

.slider-card img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.slider-card.is-side {
    transform: scale(.88);
    opacity: .88;
    z-index: 1;
}

/* Tarjeta central activa */
.slider-card.is-center {
    transform: scale(2);
    /* box-shadow: 0 12px 40px rgba(0, 0, 0, .55); */
    opacity: 1;
    z-index: 2;
}

/* Botón Seleccionar */
.btn-seleccionar {
    background-color: var(--color-secondary);
    color: #fff;
    font-family: var(--font-abolition);
    font-size: 1.4rem;
    letter-spacing: .08em;
    border: none;
    border-radius: 50px;
    padding: .65rem 3rem;
    cursor: pointer;
    transition: background .25s;
}

.btn-seleccionar:hover,
.btn-seleccionar:focus-visible {
    background-color: var(--color-green-light);
    color: var(--color-primary);
    outline: none;
}

/* =============================================
   ESTAMPA
   ============================================= */
#estampa-screen {
    background-image: url("../img/sobres/back_azul.webp");
}

/* Card stack */
.cards-stack {
    position: relative;
    width: clamp(260px, 72vw, 420px);
    height: clamp(390px, 108vw, 630px);
    margin: 0 auto;
}

.stack-card {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: 18px;
    overflow: hidden;
    cursor: grab;
    touch-action: none;
    will-change: transform;
}

.stack-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    pointer-events: none;
    user-select: none;
    -webkit-user-drag: none;
}

/* Botón siguiente */
.btn-next-circle {
    position: fixed;
    bottom: calc(2rem + env(safe-area-inset-bottom, 0px));
    right: 1.5rem;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--color-secondary);
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 1.5rem;
    color: #fff;
    box-shadow: 0 4px 16px rgba(0, 0, 0, .45);
    z-index: 100;
    transition: background .25s, transform .18s;
}

.btn-next-circle:hover,
.btn-next-circle:focus-visible {
    background: var(--color-green-light);
    color: var(--color-primary);
    transform: scale(1.1);
    outline: none;
}

/* =============================================
   ALBUM
   ============================================= */
#album-screen {
    background-color: var(--color-album-bg);
}

.album-icon {
    width: clamp(130px, 18vw, 120px);
}

.album-title {
    font-family: var(--font-abolition);
    font-size: clamp(2.5rem, 5vw, 2.8rem);
    text-align: center;
    text-transform: uppercase;
    letter-spacing: .04em;
    color: var(--color-green-light);
    line-height: 1.15;
}

.album-title .si {
    color: #fff;
}

/* Grid 3×3 */
.album-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
    width: clamp(240px, 80vw, 360px);
}

.album-cell {
    aspect-ratio: 2 / 3;
    background-color: var(--color-card-bg);
    border: 8px solid #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    position: relative;
}

.album-cell .cell-number {
    font-family: var(--font-abolition);
    font-size: 1.5rem;
    color: rgb(255, 255, 255);
    position: absolute;
    user-select: none;
}

.album-cell .cell-stamp {
    width: 100%;
    height: 100%;
    object-fit: cover;
    position: absolute;
    top: 0;
    left: 0;
    border-radius: 8px;
}

/* Número de página */
.album-page {
    font-family: var(--font-abolition);
    font-size: 1.1rem;
    color: rgb(255, 255, 255);
    letter-spacing: .12em;
    text-align: center;
    margin-top: 0;
}

/* =============================================
   SOBRE ANIM
   ============================================= */
#sobre-anim-screen {
    /* background: var(--color-primary); */
    position: relative;
    perspective: 1200px;
}

.sobre-popup {
    position: fixed;
    inset: 0;
    z-index: 1200;
    background: rgba(13, 7, 33, 0.72);
    backdrop-filter: blur(2px);
    -webkit-backdrop-filter: blur(2px);
    display: none;
}

.sobre-popup.is-open {
    display: block;
}

.sobre-popup #sobre-anim-screen {
    width: 100%;
    height: 100dvh;
}

.sobre-container {
    position: relative;
    width: min(78vw, 620px);
    margin-top: -4vh;
}

.sobre-top,
.sobre-bottom {
    width: 100%;
}

.sobre-top img,
.sobre-bottom img {
    display: block;
    width: 100%;
    height: auto;
    object-fit: contain;
}

.sobre-top {
    position: absolute;
    top: 0;
    left: 0;
    z-index: 20;
    transform-origin: bottom center;
    transform-style: preserve-3d;
    backface-visibility: hidden;
    will-change: transform;
    pointer-events: none;
}

.sobre-bottom {
    position: relative;
    top: 0;
    left: 0;
    width: 100%;
    transform-origin: center center;
    z-index: 5;
    will-change: transform;
}

/* Área de intersección con animación */
.sobre-intersection {
    position: absolute;
    /* La unión real entre tapa (259px) y base (2775px) está cerca de 9.3% */
    top: 9.3%;
    left: 0;
    width: 100%;
    height: 56px;
    transform: translateY(-50%);
    z-index: 40;
    overflow: hidden;
    border-radius: 999px;
    -webkit-mask-image: linear-gradient(to right,
            transparent 0%,
            rgba(0, 0, 0, 1) 9%,
            rgba(0, 0, 0, 1) 91%,
            transparent 100%);
    mask-image: linear-gradient(to right,
            transparent 0%,
            rgba(0, 0, 0, 1) 9%,
            rgba(0, 0, 0, 1) 91%,
            transparent 100%);
    pointer-events: all;
    touch-action: none;
    cursor: grab;
}

.sobre-intersection:active {
    cursor: grabbing;
}

/* Rayo/luz de intersección */
.light-ray {
    position: absolute;
    top: 50%;
    left: 0;
    width: 100%;
    height: 4px;
    border-radius: 999px;
    transform: translateY(-50%);
    background: linear-gradient(90deg,
            transparent,
            rgba(28, 209, 148, 0.25),
            rgba(255, 255, 255, 0.92),
            rgba(28, 209, 148, 0.25),
            transparent);
    opacity: .9;
    -webkit-mask-image: linear-gradient(to right,
            transparent 0%,
            rgba(0, 0, 0, 1) 12%,
            rgba(0, 0, 0, 1) 88%,
            transparent 100%);
    mask-image: linear-gradient(to right,
            transparent 0%,
            rgba(0, 0, 0, 1) 12%,
            rgba(0, 0, 0, 1) 88%,
            transparent 100%);
    animation: rayPulse 1s ease-in-out infinite;
}

.light-ray::before {
    content: "";
    position: absolute;
    top: 50%;
    left: -14%;
    width: 34%;
    height: 16px;
    border-radius: 999px;
    transform: translateY(-50%);
    background: linear-gradient(90deg,
            rgba(255, 255, 255, 0),
            rgba(255, 255, 255, 0.7),
            rgba(28, 209, 148, 0));
    filter: blur(3px);
    animation: raySweep 1.4s linear infinite;
}

@keyframes rayPulse {
    0% {
        opacity: 0.45;
    }

    50% {
        opacity: 1;
    }

    100% {
        opacity: 0.45;
    }
}

@keyframes raySweep {
    0% {
        left: -14%;
    }

    100% {
        left: 80%;
    }
}

/* Hint de swipe */
.swipe-hint {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    font-size: 0.95rem;
    /* color: rgba(28, 209, 148, 0.7); */
    color: rgb(255, 255, 255);
    animation: hintBounce 1.2s ease-in-out infinite;
    pointer-events: none;
}

.swipe-hint i {
    display: block;
    font-size: 1.8rem;
    margin-bottom: 0.4rem;
    text-align: center;
}

.swipe-hint p {
    font-family: var(--font-abolition);
    margin: 0;
    font-size: 0.85rem;
    letter-spacing: 0.05em;
}

@keyframes hintBounce {

    0%,
    100% {
        transform: translateX(-50%) translateY(0);
        opacity: 0.7;
    }

    50% {
        transform: translateX(-50%) translateY(-8px);
        opacity: 1;
    }
}

/* =============================================
   Helpers
   ============================================= */
.bold {
    font-weight: 700;
}

.normal {
    font-weight: 400;
}