/* ==========================================================================
   Yuri de Jager — shared site styles
   Single stylesheet for the home page and all sub-pages so that every page
   uses the exact same design tokens, header, navigation, background and
   footer. Keeping CSS out of the HTML lets the Content-Security-Policy drop
   'unsafe-inline' for styles.
   ========================================================================== */

:root {
    --bg-color: #121212;
    --text-color: #fdfaf1;
    --accent-color: #ff8820;
    --secondary-text: #c0beb4;
    --font-main: 'Inter', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    --font-serif: 'Fraunces', serif;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --card: rgba(255, 136, 32, 0.06);
    --border: rgba(255, 136, 32, 0.2);
}

html { background-color: var(--bg-color); }
* { margin: 0; padding: 0; box-sizing: border-box; }

/* --- Accessibility helpers -------------------------------------------------- */
.visually-hidden { position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.skip-link { position: absolute; top: -4rem; left: 1rem; z-index: 200; background: var(--accent-color); color: #121212; padding: 0.6rem 1rem; border-radius: 0 0 8px 8px; font-family: var(--font-mono); font-weight: 600; text-decoration: none; transition: top 0.2s; }
.skip-link:focus { top: 0; outline: 2px solid var(--text-color); outline-offset: 2px; }
/* Consistent, clearly visible keyboard focus for every interactive element. */
a:focus-visible, button:focus-visible, [tabindex]:focus-visible { outline: 2px solid var(--accent-color); outline-offset: 3px; border-radius: 2px; }
body {
    background-color: transparent;
    color: var(--text-color);
    font-family: var(--font-main);
    line-height: 1.6;
    display: flex;
    flex-direction: column;
    align-items: center;
    min-height: 100vh;
    margin: 0;
    overflow-x: hidden;
}
#vanta-bg { position: fixed; top: 0; left: 0; width: 100%; height: 100%; z-index: -2; background-color: var(--bg-color); }
#vanta-bg canvas { display: block; width: 100% !important; height: 100% !important; }

.container { position: relative; max-width: 800px; width: 90%; text-align: center; padding: 2rem; z-index: 1; flex-grow: 1; display: flex; flex-direction: column; justify-content: center; }

/* --- Index dictionary entry ------------------------------------------------- */
.dictionary-entry { text-align: left; max-width: 350px; background: var(--bg-color); backdrop-filter: blur(12px); padding: 1.5rem; border-left: 4px solid var(--accent-color); margin-bottom: 2rem; border-radius: 0 8px 8px 0; box-shadow: 0 10px 30px rgba(0,0,0,0.5); }
@media (min-width: 1024px) { .dictionary-entry { position: fixed; top: 3rem; left: 3rem; margin-bottom: 0; } }
.word-group { margin-bottom: 0.5rem; }
.word { font-family: var(--font-serif); font-size: 2rem; font-weight: 700; margin: 0; color: var(--text-color); }
.part-of-speech { font-family: var(--font-mono); font-style: italic; font-size: 0.8rem; color: var(--accent-color); margin-right: 0.5rem; }
.phonetic { font-family: var(--font-mono); font-size: 0.8rem; color: var(--secondary-text); }
.definition { font-family: var(--font-mono); font-size: 0.85rem; line-height: 1.5; color: var(--secondary-text); margin: 0; }

/* --- Header / navigation ---------------------------------------------------- */
header { margin-bottom: 4rem; }
header nav > ul { list-style: none; display: flex; justify-content: center; gap: 2rem; }
header nav a, header nav button { text-decoration: none; color: var(--text-color); font-family: inherit; background: none; border: 0; cursor: pointer; font-weight: 600; font-size: 0.9rem; text-transform: uppercase; letter-spacing: 0.1em; transition: var(--transition); opacity: 0.7; }
header nav a:hover, header nav button:hover, header nav a.active, header nav button.active { opacity: 1; color: var(--accent-color); outline: none; }
header nav a:focus-visible, header nav button:focus-visible { outline: 2px solid var(--accent-color); outline-offset: 4px; opacity: 1; border-radius: 2px; }
.dropdown { position: relative; }
.dropdown-menu { position: absolute; top: 100%; left: 50%; transform: translateX(-50%) translateY(10px); background: rgba(18, 18, 18, 0.95); backdrop-filter: blur(12px); border: 1px solid rgba(255, 136, 32, 0.2); border-radius: 8px; padding: 1rem 0; list-style: none; min-width: 200px; opacity: 0; visibility: hidden; transition: var(--transition); z-index: 100; box-shadow: 0 10px 30px rgba(0,0,0,0.5); display: block; }
.dropdown:hover .dropdown-menu, .dropdown.open .dropdown-menu { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }
.dropdown-menu li { width: 100%; text-align: left; }
.dropdown-menu a, .dropdown-menu button { display: block; width: 100%; padding: 0.75rem 1.5rem; font-size: 0.8rem; text-transform: none; letter-spacing: 0; opacity: 0.8; white-space: nowrap; text-align: left; }
.dropdown-menu a:hover, .dropdown-menu button:hover { background: rgba(255, 136, 32, 0.1); color: var(--accent-color); opacity: 1; }
.dropdown-menu a:focus-visible, .dropdown-menu button:focus-visible { outline: 2px solid var(--accent-color); outline-offset: -2px; background: rgba(255, 136, 32, 0.1); color: var(--accent-color); opacity: 1; }
.dropdown-submenu { position: relative; }
.dropdown-submenu .submenu { position: absolute; left: 100%; top: -1rem; background: rgba(18, 18, 18, 0.95); backdrop-filter: blur(12px); border: 1px solid rgba(255, 136, 32, 0.2); border-radius: 8px; padding: 1rem 0; list-style: none; min-width: 220px; opacity: 0; visibility: hidden; transition: var(--transition); transform: translateX(10px); box-shadow: 0 10px 30px rgba(0,0,0,0.5); display: block; }
.dropdown-submenu:hover .submenu, .dropdown-submenu.open .submenu { opacity: 1; visibility: visible; transform: translateX(0); }
@media (max-width: 768px) {
    .dropdown-menu { position: static; transform: none; background: none; backdrop-filter: none; border: none; box-shadow: none; padding: 0; opacity: 1; visibility: visible; display: none; margin-top: 1rem; }
    .dropdown:hover .dropdown-menu, .dropdown.open .dropdown-menu { display: block; transform: none; }
    .dropdown-submenu .submenu { position: static; transform: none; background: none; border: none; box-shadow: none; display: none; padding-left: 1.5rem; }
    .dropdown-submenu:hover .submenu, .dropdown-submenu.open .submenu { display: block; opacity: 1; visibility: visible; transform: none; }
}

/* --- Hero (index) ----------------------------------------------------------- */
.hero h1 { font-family: var(--font-mono); font-size: 3.5rem; font-weight: 800; margin-bottom: 0.5rem; letter-spacing: -0.02em; }
.tagline { font-family: var(--font-mono); color: var(--accent-color); font-size: 1.1rem; margin-bottom: 2rem; font-weight: 500; }
.social-links { margin-top: 2rem; }
.social-icon { display: inline-flex; align-items: center; justify-content: center; color: var(--text-color); transition: var(--transition); padding: 0.5rem; border-radius: 50%; }
.social-icon:focus-visible { outline: 2px solid var(--accent-color); outline-offset: 4px; color: var(--accent-color); }
.social-icon:hover { color: var(--accent-color); transform: translateY(-3px); }

/* --- Footer ----------------------------------------------------------------- */
footer { width: 100%; text-align: center; padding: 2rem; font-size: 0.8rem; color: var(--secondary-text); font-family: var(--font-mono); z-index: 1; }

/* --- Entry animation -------------------------------------------------------- */
@keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }
.hero { animation: fadeIn 0.8s ease-out forwards; }

/* ==========================================================================
   Sub-page (article) layout — same shell as the home page, with the content
   column left-aligned and scrollable instead of vertically centred.
   ========================================================================== */
.container.is-page { justify-content: flex-start; text-align: left; padding-top: 3rem; }
.container.is-page > header { margin-bottom: 3rem; }

.breadcrumb { font-size: 0.85rem; color: var(--secondary-text); margin-bottom: 2.5rem; font-family: var(--font-mono); }
.breadcrumb a { color: var(--accent-color); text-decoration: underline; text-underline-offset: 2px; }
.breadcrumb a:hover, .breadcrumb a:focus-visible { text-decoration: underline; outline: none; }

.page-title { font-family: var(--font-mono); font-size: clamp(2rem, 5vw, 3rem); font-weight: 800; letter-spacing: -0.02em; margin-bottom: 0.5rem; }
.subtitle { font-family: var(--font-mono); color: var(--accent-color); margin-bottom: 3rem; font-size: 1.05rem; font-weight: 500; }
main h2 { font-family: var(--font-mono); font-size: 1.4rem; font-weight: 800; color: var(--accent-color); margin: 2.5rem 0 1rem; }
main p { margin-bottom: 1rem; }

/* --- Generation record definition list -------------------------------------- */
dl { display: grid; grid-template-columns: minmax(180px, 240px) 1fr; gap: 0.6rem 1.5rem; background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 1.5rem; }
dt { color: var(--accent-color); font-weight: 600; font-size: 0.9rem; text-transform: uppercase; letter-spacing: 0.05em; }
dd { font-family: var(--font-mono); font-size: 0.92rem; word-break: break-word; }

ul.detail { margin: 0.5rem 0 0 1.25rem; color: var(--secondary-text); font-family: var(--font-mono); font-size: 0.92rem; line-height: 1.6; }
ul.detail li { margin-bottom: 0.35rem; }
p.note { color: var(--secondary-text); font-family: var(--font-mono); font-size: 0.92rem; line-height: 1.6; margin-top: 2rem; border-left: 3px solid var(--accent-color); padding-left: 1rem; }
p.note a, main a { color: var(--accent-color); text-decoration: underline; text-underline-offset: 2px; }

/* --- Artwork / gallery ------------------------------------------------------ */
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 1.5rem; margin-bottom: 3rem; }
.artwork { background: var(--card); border: 1px solid var(--border); border-radius: 16px; overflow: hidden; transition: var(--transition); }
.artwork:hover { border-color: var(--accent-color); transform: translateY(-3px); }
.artwork a { display: block; }
.artwork img { width: 100%; height: auto; display: block; }
.artwork figcaption { padding: 0.9rem 1.1rem 1.1rem; font-size: 0.85rem; color: var(--secondary-text); line-height: 1.5; }
.artwork figcaption .source { display: block; margin-top: 0.6rem; font-family: var(--font-mono); font-size: 0.78rem; }
.artwork figcaption .source a { display: inline; color: var(--accent-color); text-decoration: underline; text-underline-offset: 2px; }
.artwork figcaption .source a:hover, .artwork figcaption .source a:focus-visible { text-decoration: underline; outline: none; }

/* Single large artwork (SVG page) */
.artwork--single { padding: 2.5rem; display: flex; justify-content: center; margin-bottom: 3rem; }
.artwork--single img { width: 100%; max-width: 640px; height: auto; }

/* --- Responsive ------------------------------------------------------------- */
@media (max-width: 768px) {
    body { padding: 2rem 0; align-items: flex-start; }
    .container { width: 100%; padding: 1.5rem; }
    .hero h1 { font-size: 2.2rem; word-wrap: break-word; }
    .dictionary-entry { max-width: 100%; margin: 0 0 3rem 0; }
    .tagline { font-size: 0.95rem; }
    .container.is-page { padding-top: 1.5rem; }
}
@media (max-width: 600px) {
    dl { grid-template-columns: 1fr; gap: 0.2rem 0; }
    dd { margin-bottom: 0.8rem; }
}

/* Respect users who prefer less motion: no entry animation, no transitions. */
@media (prefers-reduced-motion: reduce) {
    .hero { animation: none; }
    *, *::before, *::after { transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; scroll-behavior: auto !important; }
}