* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --text-color: #fff;
    --bg-url: url(../assets/bg-mobile.jpg);
    --stroke-color: rgba(255, 255, 255, 0.5);
    --surface-color: rgba(255, 255, 255, 0.1);
    --surface-color-hover: rgba(255, 255, 255, 0.5);
    --hightlight-color: rgba(255, 255, 255, 0.2);
    --switch-bg-url: url(../assets/moon-stars.svg)
}

.light {
    --text-color: #000;
    --bg-url: url(../assets/bg-light-mobile.jpg);
    --stroke-color: rgba(0, 0, 0, 0.05);
    --surface-color: rgba(0, 0, 0, 0.05);
    --surface-color-hover: rgba(0, 0, 0, 0.1);
    --hightlight-color: rgba(0, 0, 0, 0.1);
    --switch-bg-url: url(../assets/sun.svg);
}

body {
    /* background-image: url(../assets/bg-mobile.jpg);
    background-repeat: no-repeat;
    background-position: top center;
    background-size: cover; */

    /* Tudo a cima em uma linha só */
    background: var(--bg-url) no-repeat top center/cover;
    height: 100vh;
}

body * {
    font-family: "Inter", sans-serif;
    color: var(--text-color);
}

#container {
    width: 100%;
    max-width: 588px;
    margin: 56px auto 0;
    padding: 0 24px;
}

/* Profile */
#profile {
    text-align: center;
    padding: 24px;
}

#profile img {
    width: 112px;
}

#profile p {
    font-weight: 500;
    line-height: 24px;
    margin-top: 8px;
}

/* Switch button */
#switch {
    position: relative;
    width: 64px;
    margin: 4px auto;
    cursor: pointer;
}

#switch button {
    width: 32px;
    height: 32px;
    background: #fff var(--switch-bg-url) no-repeat center;
    border: 0;
    border-radius: 50%;
    position: absolute;
    top: 50%;
    left: 0;
    z-index: 1;
    transform: translateY(-50%);
    cursor: pointer;
    animation: slide-back .3s;
}

.light #switch button {
    animation: slide-in .4s forwards;
}

#switch button:hover {
    outline: 8px solid var(--hightlight-color);
}

#switch span {
    display: block;
    width: 64px;
    height: 24px;
    background: var(--surface-color);
    border: 1px solid var(--text-color);
    backdrop-filter: blur(4px);
    border-radius: 9999px;
}

/* links - list */
ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 16px;
    padding: 24px 0;
}

ul li a {
    text-decoration: none;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px 24px;
    background: var(--surface-color);
    border: 1px solid var(--text-color);
    border-radius: 8px;
    backdrop-filter: blur(2px);
    -webkit-backdrop-filter: blur(2px);
    font-weight: 500;
    transition: background 0.2s;
}

ul li a:hover {
    background: var(--surface-color-hover);
    border: 1.5px solid var(--text-color);

}

/* Icons style */
#social-links {
    display: flex;
    justify-content: center;
    padding: 24px 0;
    font-size: 24px;
}

#social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px;
}

#social-links a:hover {
   background: var(--hightlight-color);
   border-radius: 50%;
   transition: background 0.3s;
}

footer {
    padding: 24px 0;
    text-align: center;
    font-size: 14px;
}

/* media requiere */
@media (min-width: 700px) {
    :root {
       --bg-url: url(../assets/bg.jpg);
    }

    .light {
        --bg-url: url(../assets/bg-light.jpg);
    }
}

/* animations */
@keyframes slide-in {
    from {
        left: 0;
    }
    to {
        left: 50%;
    }
}

@keyframes slide-back {
    from {
        left: 50%;
    }
    to {
        left: 0;
    }
}