/* site.css: shared styles for every page. Theme: "Ember" (warm charcoal, orange and rose). */
:root {
    --page-bg: #140c10;
    --surface: #22151a;
    --surface-raised: #2e1c23;
    --surface-border: #3d2630;
    --rose-surface: #3b1d2a;
    --text-color: #f3e8e4;
    --muted-text: #c9b3b6;
    --heading-color: #ffedd5;
    --accent: #fb923c;
    --accent-hover: #fdba74;
    --on-accent: #1f0f08;
    --rose: #f9a8d4;
    --chip-bg: #fbe9df;
    --chip-text: #2a1218;
    --link-color: #fdba74;
}

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

body {
    font-family: Arial, sans-serif;
    color: var(--text-color);
    background-color: var(--page-bg);
    min-height: 100dvh;
    display: flex;
    flex-direction: column;
}

/* ---------- Generated background: two layers of soft glows that slowly drift ---------- */

body::before,
body::after {
    content: "";
    position: fixed;
    inset: -25%;
    z-index: -1;
    pointer-events: none;
}

body::before {
    background:
        radial-gradient(circle at 20% 20%, rgba(194, 65, 12, 0.55) 0, transparent 32%),
        radial-gradient(circle at 75% 60%, rgba(180, 83, 9, 0.30) 0, transparent 28%);
    animation: drift-a 38s ease-in-out infinite alternate;
}

body::after {
    background:
        radial-gradient(circle at 80% 85%, rgba(190, 24, 93, 0.45) 0, transparent 32%),
        radial-gradient(circle at 30% 75%, rgba(136, 19, 55, 0.35) 0, transparent 26%);
    animation: drift-b 46s ease-in-out infinite alternate;
}

@keyframes drift-a {
    from { transform: translate(0, 0) rotate(0deg); }
    to { transform: translate(6%, 4%) rotate(8deg); }
}

@keyframes drift-b {
    from { transform: translate(0, 0) rotate(0deg); }
    to { transform: translate(-5%, -6%) rotate(-10deg); }
}

@media (prefers-reduced-motion: reduce) {
    body::before,
    body::after {
        animation: none;
    }
}

body > .container {
    flex: 1;
}

h1 {
    margin: 2rem 0 1.5rem;
    text-align: center;
    color: var(--heading-color);
}

h2 {
    margin: 2rem 0 1rem;
    color: var(--heading-color);
}

a {
    color: var(--link-color);
}

a:hover {
    color: var(--heading-color);
}

:focus-visible {
    outline: 3px solid var(--accent);
    outline-offset: 2px;
}

/* ---------- Navigation ---------- */

header {
    background-color: rgba(20, 12, 16, 0.75);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--surface-border);
}

nav ul {
    list-style: none;
    display: flex;
    margin: 0;
    padding: 0;
}

nav .home-li {
    margin-right: auto;
}

    nav .home-li a {
        font-weight: bold;
        color: var(--heading-color);
    }

nav a {
    display: flex;
    text-decoration: none;
    color: var(--muted-text);
    padding: 1em 2em;
    box-shadow: inset 0 -3px 0 transparent;
    transition: color 150ms ease, box-shadow 150ms ease;
}

    nav a:hover {
        color: var(--heading-color);
    }

    nav a.active {
        color: var(--accent);
        box-shadow: inset 0 -3px 0 var(--accent);
    }

#open-sidebar-button {
    display: none;
    background: none;
    border: none;
    padding: 1em;
    margin-left: auto;
    cursor: pointer;
}

#close-sidebar-button {
    display: none;
    background: none;
    border: none;
    padding: 1em;
    cursor: pointer;
}

@media screen and (max-width: 700px) {
    header {
        display: flex;
    }

    #open-sidebar-button, #close-sidebar-button {
        display: block;
    }

    nav {
        position: fixed;
        top: 0;
        right: -100%;
        height: 100dvh;
        width: min(15em, 100%);
        z-index: 10;
        background-color: var(--surface);
        border-left: 1px solid var(--surface-border);
        transition: right 300ms ease-out;
        box-shadow: -4px 0 16px rgba(0, 0, 0, 0.5);
    }

    nav.show {
        right: 0;
    }

    nav ul {
        width: 100%;
        flex-direction: column;
    }

    nav .home-li {
        margin-right: 0;
    }

    nav a {
        width: 100%;
        padding-left: 2.5em;
    }

        nav a.active {
            box-shadow: inset 3px 0 0 var(--accent);
        }
}

/* ---------- Shared components ---------- */

.tech-badges {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    padding: 0;
    margin: 0;
}

.tech-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.25rem 0.6rem;
    border-radius: 999px;
    background-color: var(--chip-bg);
    color: var(--chip-text);
    font-size: 0.85rem;
    font-weight: bold;
}

    .tech-badge img {
        width: 18px;
        height: 18px;
    }

.action-links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.action-button {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    background-color: var(--accent);
    color: var(--on-accent);
    font-weight: bold;
    text-decoration: none;
    transition: background-color 150ms ease, color 150ms ease;
}

    .action-button:hover {
        background-color: var(--accent-hover);
        color: var(--on-accent);
    }

    .action-button.secondary {
        background-color: transparent;
        color: var(--heading-color);
        box-shadow: inset 0 0 0 2px var(--surface-border);
    }

        .action-button.secondary:hover {
            box-shadow: inset 0 0 0 2px var(--accent);
            color: var(--accent-hover);
        }

.status-pill {
    display: inline-block;
    padding: 0.1rem 0.55rem;
    border-radius: 999px;
    background-color: var(--rose);
    color: #3b0a24;
    font-size: 0.75rem;
    font-weight: bold;
    vertical-align: middle;
}

.cert-status {
    display: inline-block;
    padding: 0.05rem 0.5rem;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: bold;
    vertical-align: middle;
}

    .cert-status.earned {
        background-color: var(--rose);
        color: #3b0a24;
    }

    .cert-status.in-progress {
        background-color: var(--accent);
        color: var(--on-accent);
    }

    .cert-status.planned {
        color: var(--muted-text);
        box-shadow: inset 0 0 0 1px var(--muted-text);
    }

.not-found {
    text-align: center;
    padding: 3rem 0;
}

    .not-found p {
        margin-bottom: 1.5rem;
        color: var(--muted-text);
    }

/* ---------- Footer ---------- */

footer {
    text-align: center;
    padding: 1em;
    margin-top: 1em;
    color: var(--muted-text);
    background-color: rgba(20, 12, 16, 0.75);
    border-top: 1px solid var(--surface-border);
}

    footer a {
        color: var(--heading-color);
    }