* {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    width: 100%;
    min-height: 100%;
    font-family: "Comic Sans MS", "Trebuchet MS", Arial, sans-serif;
    background: #fffdf6;
}

.splash {
    position: relative;
    min-height: 100vh;
    overflow: hidden;
    background: radial-gradient(
        circle at 50% 18%,
        #ffffff 0%,
        #fffdf6 45%,
        #eaf7ff 100%
    );
}

.splash-contenido {
    position: relative;
    z-index: 5;
    max-width: 430px;
    min-height: 100vh;
    margin: 0 auto;
    padding: 125px 22px 0;
    text-align: center;
}

/* LOGO */

.logo {
    margin: 0;
    font-family: "Trebuchet MS", "Comic Sans MS", Arial, sans-serif;
    font-size: 68px;
    line-height: 0.95;
    font-weight: 900;
    letter-spacing: -5px;
    color: #0b2f6b;
    text-shadow: 0 5px 10px rgba(11, 47, 107, 0.12);
}

.logo .expres {
    color: #0b2f6b;
}

.logo .a {
    color: #ff5f96;
}

.logo .p1 {
    color: #4ccbbb;
}

.logo .p2 {
    color: #a78bfa;
}

.slogan {
    margin: 12px 0 0;
    font-size: 23px;
    font-weight: 800;
    color: #3274df;
}

.slogan span {
    color: #ff5f96;
}

/* DECORACIÓN */

.estrella {
    position: absolute;
    z-index: 3;
    filter: drop-shadow(0 5px 8px rgba(0, 0, 0, 0.12));
    animation: flotar 3s infinite ease-in-out;
}

.estrella-amarilla {
    left: 24px;
    top: 220px;
    font-size: 42px;
    color: #ffd15c;
}

.estrella-azul {
    right: 28px;
    top: 190px;
    font-size: 34px;
    color: #4f8cff;
    animation-delay: 0.4s;
}

.estrella-morada {
    left: 44px;
    top: 470px;
    font-size: 22px;
    color: #a78bfa;
    animation-delay: 0.8s;
}

.globo-corazon {
    position: absolute;
    right: 20px;
    top: 315px;
    z-index: 4;

    width: 92px;
    height: 92px;
    border-radius: 50%;

    background: linear-gradient(135deg, #ff8abd, #ff5f96);
    color: white;

    display: flex;
    align-items: center;
    justify-content: center;

    font-size: 54px;
    font-weight: bold;

    box-shadow: 0 12px 28px rgba(255, 95, 150, 0.28);
    animation: latir 1.8s infinite ease-in-out;
}

.globo-corazon::after {
    content: "";
    position: absolute;
    left: 15px;
    bottom: -12px;

    border-top: 24px solid #ff6fa5;
    border-right: 20px solid transparent;
}

.pieza {
    position: absolute;
    right: 26px;
    top: 520px;
    z-index: 4;

    font-size: 70px;

    transform: rotate(-14deg);
    filter: drop-shadow(0 8px 12px rgba(0, 0, 0, 0.13));
    animation: flotar 3.4s infinite ease-in-out;
}

/* NIÑO */

.nino-img {
    position: relative;
    z-index: 8;

    width: 88%;
    max-width: 370px;

    display: block;
    margin: 75px auto 0;

    animation: aparecer 0.8s ease;
}

/* BOTÓN */

.btn-comenzar {
    position: relative;
    z-index: 20;

    width: 92%;
    max-width: 360px;
    height: 82px;

    margin: -55px auto 0;

    border-radius: 30px;
    border: 6px solid white;

    background: linear-gradient(135deg, #4f8cff 0%, #1475ff 100%);
    color: white;

    text-decoration: none;
    font-size: 33px;
    font-weight: 900;

    display: flex;
    align-items: center;
    justify-content: center;
    gap: 38px;

    box-shadow: 0 16px 34px rgba(20, 117, 255, 0.35);
}

.btn-comenzar span {
    font-size: 58px;
    line-height: 1;
}

.btn-comenzar:active {
    transform: scale(0.96);
}

/* NUBES */

.nube {
    position: absolute;
    bottom: -90px;
    z-index: 2;

    width: 330px;
    height: 210px;
    border-radius: 50%;

    opacity: 0.95;
}

.nube-izq {
    left: -105px;
    background: #ead8ff;
    box-shadow:
        98px 30px 0 #f3dcff,
        205px 66px 0 #f8e9ff;
}

.nube-der {
    right: -115px;
    background: #cfe5ff;
    box-shadow:
        -95px 28px 0 #ffd2e3,
        -190px 70px 0 #ffd881;
}

/* ANIMACIONES */

@keyframes aparecer {
    from {
        opacity: 0;
        transform: translateY(20px) scale(0.96);
    }

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

@keyframes flotar {
    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-10px);
    }
}

@keyframes latir {
    0%,
    100% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.08);
    }
}

/* CELULAR */

@media (max-width: 430px) {
    .splash-contenido {
        padding: 110px 22px 0;
    }


    .logo {
        font-size: 48px;
        letter-spacing: -3px;
    }

    .slogan {
        font-size: 20px;
    }

    .estrella-amarilla {
        top: 200px;
        font-size: 34px;
    }

    .estrella-azul {
        top: 170px;
        font-size: 30px;
    }

    .globo-corazon {
        top: 285px;
        right: 20px;
        width: 74px;
        height: 74px;
        font-size: 42px;
    }

    .pieza {
        top: 455px;
        right: 25px;
        font-size: 58px;
    }

    .nino-img {
        width: 88%;
        max-width: 340px;
        margin: 58px auto 0;
    }

    .btn-comenzar {
        width: 92%;
        max-width: 330px;
        height: 76px;

        margin: -48px auto 0;

        border-radius: 28px;
        font-size: 28px;
    }

    .btn-comenzar span {
        font-size: 48px;
    }
}