/* Site styles. Requires variables.css. Mobile-first: base rules target small screens. */

/* ===== Base ===== */
*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    -webkit-text-size-adjust: 100%;
}

body,
h1,
h2,
p,
ul {
    margin: 0;
}

body {
    min-height: 100vh;
    padding: var(--space-6);
    background-color: var(--color-bg);
    color: var(--color-text);
    font-family: var(--font-body);
    line-height: 1.5;
}

a {
    color: inherit;
    text-decoration: none;
}

svg {
    display: block;
}

/* ===== Site navigation ===== */
.site-nav {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: var(--space-4);
    width: 100%;
    max-width: var(--width-page);
    margin: 0 auto var(--space-12);
}

.nav-button {
    display: inline-block;
    padding: var(--space-2) var(--space-4);
    border: 1px solid var(--color-gold-dark);
    border-radius: var(--radius-md);
    background-color: var(--color-gold);
    color: var(--color-text-on-gold);
    font-family: var(--font-body);
    font-size: var(--font-size-xs);
    font-weight: 700;
    letter-spacing: var(--tracking-widest);
    text-transform: uppercase;
    transition: background-color var(--transition-fast), box-shadow var(--transition-fast);
}

.nav-button:hover,
.nav-button:focus-visible {
    background-color: var(--color-gold-shine);
    box-shadow: 0 0 8px var(--color-gold-glow);
}

.nav-button:focus-visible {
    outline: 2px solid var(--color-gold-shine);
    outline-offset: 2px;
}

/* ===== Legal index page ===== */
.page-index {
    display: flex;
    flex-direction: column;
    align-items: center;
    background-image: radial-gradient(circle at center, var(--color-bg-glow) 0%, var(--color-bg) 70%);
    color: var(--color-gold);
    font-family: var(--font-display);
}

.index-main {
    width: 100%;
    max-width: var(--width-index);
    text-align: center;
}

.index-logo {
    display: flex;
    justify-content: center;
    margin-bottom: var(--space-8);
    color: var(--color-gold);
}

.index-logo svg {
    width: var(--logo-size);
    height: auto;
    opacity: 0.8;
}

.gold-text {
    background: linear-gradient(
        to right,
        var(--color-gold-foil-1),
        var(--color-gold-shine),
        var(--color-gold-foil-2),
        var(--color-gold-foil-3),
        var(--color-gold-dark)
    );
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.index-title {
    margin-bottom: var(--space-10);
    font-size: var(--font-size-4xl);
    font-weight: 700;
    line-height: var(--line-height-tight);
    letter-spacing: var(--tracking-widest);
    text-transform: uppercase;
}

.directory {
    font-family: var(--font-body);
    text-align: left;
}

.directory > * + * {
    margin-top: var(--space-4);
}

/* Folder (details/summary) */
.folder {
    overflow: hidden;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    background-color: var(--color-surface);
}

.folder__summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-4);
    cursor: pointer;
    list-style: none;
    color: var(--color-gold);
    font-size: var(--font-size-xl);
    font-weight: 700;
    letter-spacing: var(--tracking-wider);
    text-transform: uppercase;
    transition: background-color var(--transition-fast);
}

.folder__summary::-webkit-details-marker {
    display: none;
}

.folder__summary:hover {
    background-color: var(--color-surface-hover);
}

.folder__summary:focus-visible {
    outline: 2px solid var(--color-gold-shine);
    outline-offset: -2px;
}

.folder__label {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.folder__icon {
    font-size: var(--font-size-2xl);
}

/* Empty folders get a dimmed icon */
.folder--empty .folder__icon {
    opacity: 0.6;
}

.folder__chevron {
    transition: transform var(--transition-fast);
}

.folder[open] .folder__chevron {
    transform: rotate(90deg);
}

.folder__contents {
    padding: var(--space-4) var(--space-4) var(--space-4) var(--space-12);
    border-top: 1px solid var(--color-border);
    background-color: var(--color-bg);
}

.folder__contents > * + * {
    margin-top: var(--space-2);
}

.folder[open] .folder__contents {
    animation: sweep 0.3s ease-in-out;
}

@keyframes sweep {
    0% {
        opacity: 0;
        transform: translateY(-10px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

.doc-link {
    display: block;
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
    letter-spacing: var(--tracking-widest);
    text-transform: uppercase;
    transition: color var(--transition-fast), text-shadow var(--transition-fast);
}

.doc-link:hover,
.doc-link:focus-visible {
    color: var(--color-gold-shine);
    text-shadow: 0 0 8px var(--color-gold-glow);
}

.folder__empty-note {
    color: var(--color-text-subtle);
    font-size: var(--font-size-sm);
    font-style: italic;
}

.index-footer {
    margin-top: var(--space-16);
    color: var(--color-text-subtle);
    font-family: var(--font-body);
    font-size: var(--font-size-xs);
    text-align: center;
}

/* ===== Legal document pages ===== */
.page-document {
    max-width: var(--width-page);
    margin: 0 auto;
}

.page-document h1,
.page-document h2 {
    color: var(--color-gold);
    font-family: var(--font-display);
}

.document-header {
    margin-bottom: var(--space-12);
    text-align: center;
}

.document-title {
    margin-bottom: var(--space-2);
    font-size: var(--font-size-4xl);
    font-weight: 700;
    line-height: var(--line-height-tight);
    letter-spacing: var(--tracking-widest);
    text-transform: uppercase;
}

.document-meta {
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
    letter-spacing: var(--tracking-widest);
    text-transform: uppercase;
}

.document-body {
    line-height: var(--line-height-relaxed);
    opacity: 0.9;
}

.document-body > * + * {
    margin-top: var(--space-8);
}

.document-body h2 {
    margin-bottom: var(--space-4);
    font-size: var(--font-size-2xl);
    line-height: var(--line-height-tight);
    letter-spacing: var(--tracking-wider);
    text-align: left;
    text-transform: uppercase;
}

.document-body p + p,
.document-body p + ul,
.document-body ul + p {
    margin-top: var(--space-2);
}

.document-body ul {
    padding-left: var(--space-6);
    list-style: disc;
}

.document-body li + li {
    margin-top: var(--space-2);
}

.document-body a {
    color: var(--color-gold);
    text-decoration: underline;
}

.document-body a:hover,
.document-body a:focus-visible {
    color: var(--color-gold-shine);
}

.document-callout {
    color: var(--color-gold);
    font-weight: 700;
}

.document-body .document-callout {
    margin-top: var(--space-4);
}

.gold-divider {
    height: 1px;
    margin: var(--space-8) 0;
    background: linear-gradient(to right, transparent, var(--color-gold), transparent);
    opacity: 0.3;
}

.document-footer {
    color: var(--color-text-subtle);
    font-size: var(--font-size-xs);
    text-align: center;
}

/* ===== Error page ===== */
.error-main {
    width: 100%;
    max-width: var(--width-index);
    text-align: center;
}

.error-message {
    margin-bottom: var(--space-8);
    color: var(--color-text-muted);
    font-family: var(--font-body);
}

/* ===== Larger screens ===== */
@media (min-width: 768px) {
    body {
        padding: var(--space-12);
    }

    .index-title,
    .document-title {
        font-size: var(--font-size-5xl);
    }

    .document-body {
        text-align: justify;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation: none !important;
        transition: none !important;
    }
}