/* Links */
.d3 a {
    display: inline-block;
    font-weight: bold;
    text-decoration: none;
    background: linear-gradient(var(--link-grad-angle),
        var(--link-grad-left) 0%,
        var(--link-grad-right) 50%,
        var(--link-grad-left) 100%);
    background-size: 300% 100%;
    background-position: 0% 50%;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
    will-change: background-position, filter;
    animation: link-gradient-slide var(--link-grad-speed) linear infinite;
    transition: filter 200ms ease, opacity 200ms ease;
}

.d3 a:hover,
.d3 a:focus {
    filter: brightness(1.1);
    outline: none;
    text-decoration: underline;
}

.d3 a:visited {
    color: var(--link-visited);
}

.d3 p a {
    display: inline;
}

/* Social icons */
.socials {
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 50px 0;
    list-style: none; /* remove default list bullets */
    padding: 0; /* remove default UL padding */
}

.socials .icon-content {
    margin: 0 10px;
    position: relative;
}

.socials .icon-content .tooltip {
    position: absolute;
    top: -30px;
    left: 50%;
    transform: translateX(-50%);
    color: var(--text-p);
    padding: 6px 10px;
    border-radius: 999px;
    opacity: 0;
    visibility: hidden;
    font-size: 0.8rem;
    font-weight: 500;
    white-space: nowrap;
    pointer-events: none;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.3);
    transition: opacity 0.3s ease, top 0.3s ease, visibility 0.3s ease;
}

.socials .icon-content:hover .tooltip,
.socials .icon-content a:focus-visible + .tooltip {
    opacity: 1;
    visibility: visible;
    top: -50px;
}

.socials .icon-content a {
    position: relative;
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
    width: 58px;
    height: 58px;
    border-radius: 50%;
    border: 3px solid rgba(255, 255, 255, 0.9);
    color: var(--social-icon-color);
    background-color: var(--social-icon-bg);
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(8px);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.socials .icon-content a:hover,
.socials .icon-content a:focus-visible {
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
}

.socials .icon-content a[data-social="github"] {
    color: #fff;
    background-color: var(--social-icon-bg);
}

.socials .icon-content a svg {
    position: relative;
    z-index: 1;
    width: 30px;
    height: 30px;
}

.socials .icon-content a:hover {
    color: white;
}

.socials .icon-content a:focus-visible {
    outline: 2px solid #fff;
    outline-offset: 4px;
}

.socials .icon-content a .filled {
    position: absolute;
    top: auto;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 0;
    background-color: var(--button-bg);
    transition: all 0.3s ease-in-out;
}

.socials .icon-content a:hover .filled {
    height: 100%;
}

.socials .icon-content a[data-social="github"] .filled,
.socials .icon-content a[data-social="github"] ~ .tooltip,
.socials .icon-content[data-social="github"] .filled {
    background-color: var(--social-github-bg);
    color: #fff;
}

.socials .icon-content a[data-social="linkedin"] .filled,
.socials .icon-content a[data-social="linkedin"] ~ .tooltip,
.socials .icon-content[data-social="linkedin"] .filled,
.socials .icon-content[data-social="linkedin"] .tooltip {
    background-color: var(--social-linkedin-bg);
    color: #fff;
}

/* YouTube: support `data-social` on the anchor or the parent `.icon-content` */
.socials .icon-content a[data-social="youtube"] .filled,
.socials .icon-content a[data-social="youtube"] ~ .tooltip,
.socials .icon-content[data-social="youtube"] .filled,
.socials .icon-content[data-social="youtube"] .tooltip {
    background-color: var(--social-youtube);
    color: #fff;
}

/* Instagram: gradient fill, support `data-social` on anchor or parent */
.socials .icon-content a[data-social="instagram"] .filled,
.socials .icon-content a[data-social="instagram"] ~ .tooltip,
.socials .icon-content[data-social="instagram"] .filled,
.socials .icon-content[data-social="instagram"] .tooltip {
    background: linear-gradient(45deg,
        var(--instagram-stop-1),
        var(--instagram-stop-2),
        var(--instagram-stop-3),
        var(--instagram-stop-4),
        var(--instagram-stop-5),
        var(--instagram-stop-6));
    color: #fff;
}

/* Buttons */
.gh-button {
    font-size: 1.5rem;
    text-transform: uppercase;
    padding: 10px 20px;
    border-radius: 10px;
    border: 2px solid var(--accent-cyan);
    background: transparent;
    box-shadow: 3px 3px var(--accent-cyan);
    cursor: pointer;
    margin: 35px 0;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    -webkit-tap-highlight-color: transparent;
    color: transparent;
    background-image: linear-gradient(var(--link-grad-angle),
        var(--link-grad-left) 0%,
        var(--link-grad-right) 50%,
        var(--link-grad-left) 100%);
    background-size: 300% 100%;
    background-position: 0% 50%;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: link-gradient-slide var(--link-grad-speed) linear infinite;
    transition: filter 160ms ease, box-shadow 160ms ease;
}

.gh-button:active {
    box-shadow: none;
    transform: translate(3px, 3px);
}

.gh-button:hover,
.gh-button:focus {
    filter: brightness(1.08);
    outline: none;
}

.gh-button:focus-visible {
    outline: 2px solid var(--accent-cyan);
    outline-offset: 4px;
}

.gh-button.glow {
    text-shadow: 0 0 8px rgba(255,255,255,0.06),
                 0 0 20px rgba(0,180,255,0.12),
                 0 0 32px rgba(255,60,60,0.08);
}

.home-continue-entry {
    display: flex;
    justify-content: center;
}

.home-continue {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    margin: 0.25rem 0;
    font-size: 1.6rem;
    font-weight: 600;
    opacity: 0.88;
    text-shadow: 0 0 12px rgba(255, 255, 255, 0.08);
    animation: home-continue-pulse 5s ease-in-out 2.3s infinite both;
}

body.home-entrance #index #image_animation,
body.home-entrance #index .socials,
body.home-entrance #index .home-continue-entry {
    animation: fly-in 700ms cubic-bezier(0.22, 1, 0.36, 1) both;
}

body.home-entrance #index #image_animation {
    animation-duration: 1s;
}

body.home-entrance #index.main {
    animation: smooth_appear 700ms cubic-bezier(0.22, 1, 0.36, 1) both;
}

.home-continue:link,
.home-continue:visited,
.home-continue:hover,
.home-continue:focus,
.home-continue:active {
    color: var(--accent-cyan);
    text-decoration: none;
}

.home-continue:focus-visible {
    outline: 2px solid var(--accent-cyan);
    outline-offset: 4px;
}

.home-continue-arrow {
    display: inline-block;
    flex: 0 0 0.55em;
    width: 0.55em;
    height: 0.55em;
    border-top: 0.16em solid currentColor;
    border-right: 0.16em solid currentColor;
    border-radius: 0.04em;
    transform: translateX(-0.05em) rotate(45deg);
}

#image_animation {
    cursor: pointer;
    transition: transform 0.2s ease, filter 0.2s ease;
    user-select: none;
}