/* Official artwork shared by the main site; the wiki keeps its own design. */
.brand-art { display: inline-block; vertical-align: middle; width: 100%; }
.brand-art img { display: block; width: 100%; height: auto; }
.brand-art svg { display: block; width: 100%; height: auto; }
.brand-inline { display: block; width: 100%; }
.brand-art .brand-dark { display: none; }
[data-theme="dark"] .brand-art .brand-light { display: none; }
[data-theme="dark"] .brand-art .brand-dark { display: block; }

/* ==========================================================================
   Brand load-in reveal — "the tern unfolds"
   The mark's stem grows first, then both leaves pop out of the junction with
   a soft spring, and the wordmark letters settle in one by one afterwards.
   ========================================================================== */

@keyframes brand-stem-in {
    from { opacity: 0; transform: translateY(16%) scaleY(0.4); }
    to   { opacity: 1; transform: none; }
}

@keyframes brand-leaf-in {
    from { opacity: 0; transform: scale(0.5) rotate(var(--brand-leaf-rotate, -7deg)); }
    to   { opacity: 1; transform: none; }
}

@keyframes brand-letter-in {
    from { opacity: 0; }
    to   { opacity: 1; }
}

.brand-inline .brand-stem {
    transform-box: fill-box;
    transform-origin: 50% 100%;
    animation: brand-stem-in 0.65s cubic-bezier(0.34, 1.56, 0.64, 1) 0.05s both;
}

.brand-inline .brand-leaf-1 {
    transform-box: fill-box;
    transform-origin: 88% 60%;
    --brand-leaf-rotate: -8deg;
    animation: brand-leaf-in 0.7s cubic-bezier(0.34, 1.56, 0.64, 1) 0.26s both;
}

.brand-inline .brand-leaf-2 {
    transform-box: fill-box;
    transform-origin: 12% 40%;
    --brand-leaf-rotate: 9deg;
    animation: brand-leaf-in 0.7s cubic-bezier(0.34, 1.56, 0.64, 1) 0.42s both;
}

/* The letter paths position themselves via SVG transform attributes, so the
   reveal fades them in sequence instead of moving them. */
.brand-inline .brand-letters path {
    animation: brand-letter-in 0.4s cubic-bezier(0.25, 0.9, 0.3, 1) both;
}

.brand-inline .brand-letters path:nth-child(1) { animation-delay: 0.56s; }
.brand-inline .brand-letters path:nth-child(2) { animation-delay: 0.59s; }
.brand-inline .brand-letters path:nth-child(3) { animation-delay: 0.62s; }
.brand-inline .brand-letters path:nth-child(4) { animation-delay: 0.65s; }
.brand-inline .brand-letters path:nth-child(5) { animation-delay: 0.68s; }
.brand-inline .brand-letters path:nth-child(6) { animation-delay: 0.72s; }
.brand-inline .brand-letters path:nth-child(7) { animation-delay: 0.76s; }
.brand-inline .brand-letters path:nth-child(8) { animation-delay: 0.80s; }
.brand-inline .brand-letters path:nth-child(9) { animation-delay: 0.83s; }
.brand-inline .brand-letters path:nth-child(10) { animation-delay: 0.86s; }

@media (prefers-reduced-motion: reduce) {
    .brand-inline .brand-stem,
    .brand-inline .brand-leaf-1,
    .brand-inline .brand-leaf-2,
    .brand-inline .brand-letters path {
        animation: none;
    }
}

/* Gentle one-time entrance for the floating navbar brand. */
@keyframes brand-nav-in {
    from { opacity: 0; transform: translateY(-6px); }
    to   { opacity: 1; transform: none; }
}

.nav-container-fixed .logo {
    animation: brand-nav-in 0.55s cubic-bezier(0.25, 0.9, 0.3, 1) 0.3s both;
}

@media (prefers-reduced-motion: reduce) {
    .nav-container-fixed .logo { animation: none; }
}
.logo { width: 132px; flex-shrink: 0; letter-spacing: normal; }
.nav-container-fixed { max-width: 1140px; }
.nav-links { gap: 0.1rem; }
.nav-links a { padding-inline: 0.65rem; }
.hero-brand { width: clamp(210px, 30vw, 340px); margin: 0 auto 2.5rem; }
/* Social & repository chips in the footer bottom bar. */
.footer-social-strip { display: flex; align-items: center; gap: 0.5rem; }
.footer-social-btn { width: 30px; height: 30px; border-radius: 50%; background: rgba(247, 246, 242, 0.1); border: 1px solid rgba(247, 246, 242, 0.22); display: inline-flex; align-items: center; justify-content: center; color: var(--bg-color); transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease, transform 0.2s ease; }
.footer-social-btn:hover { background: var(--bg-color); border-color: var(--bg-color); color: var(--primary); transform: translateY(-2px); }
.footer-social-btn svg { width: 15px; height: 15px; }
.logo > .brand-art-icon { display: none; }
.brand-explore { --learn-shift: 4px; --learn-in: 350ms; --learn-out: 250ms; --learn-ease: cubic-bezier(0.22, 1, 0.36, 1); gap: 0.75rem; }
.t-learn-chevron { flex-shrink: 0; transform: translateX(0); transition: transform var(--learn-out) var(--learn-ease); }
@media (hover: hover) {
    .t-learn:hover .t-learn-chevron { transform: translateX(var(--learn-shift)); transition-duration: var(--learn-in); }
}
.t-learn:focus-visible .t-learn-chevron { transform: translateX(var(--learn-shift)); }
@media (prefers-reduced-motion: reduce) {
    .t-learn-chevron { transition: none; transform: none !important; }
}
.error-brand { display: block; width: 100px; margin: 0 auto 2.5rem; }
.brand-eyebrow { color: var(--primary); font-family: var(--font-mono); font-size: 0.75rem; font-weight: 500; letter-spacing: 0.12em; text-transform: uppercase; margin-bottom: 1.25rem; }
.brand-copy { color: var(--text-muted); font-size: 1.1rem; line-height: 1.8; max-width: 640px; margin: 1.25rem 0 2rem; }
.brand-intro { padding: 6rem 0 8rem; }
.brand-intro-grid { display: grid; grid-template-columns: 0.8fr 1.2fr; align-items: center; gap: 5rem; }
.brand-intro-art { background: var(--bg-surface); border: 1px solid var(--border-subtle); border-radius: var(--radius-lg); padding: 4rem; }
.brand-page { padding-top: 11rem; padding-bottom: 7rem; }
.brand-page h1 { max-width: 850px; font-size: clamp(2.75rem, 6vw, 5rem); line-height: 1.08; letter-spacing: -0.04em; }
.brand-page h2 { font-size: clamp(1.8rem, 4vw, 2.6rem); }
.brand-page h3 { font-size: 1.1rem; }
.brand-page-section { margin-top: 5rem; scroll-margin-top: 8rem; }
.brand-page-hero { margin-top: 3rem; padding: clamp(2rem, 8vw, 6rem); border-radius: var(--radius-lg); border: 1px solid var(--border-subtle); background: var(--bg-surface); }
.brand-page-hero .brand-art { display: block; max-width: 720px; margin: auto; }
.brand-jump-links, .brand-downloads { display: flex; flex-wrap: wrap; gap: 0.75rem 1.25rem; }
.brand-jump-links { margin-top: 2rem; }
.brand-jump-links a, .brand-downloads a { color: var(--primary); text-underline-offset: 4px; }
.brand-assets-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.5rem; margin-top: 2rem; }
.brand-asset { border: 1px solid var(--border-subtle); border-radius: var(--radius-lg); overflow: hidden; background: var(--bg-surface); }
.brand-preview { display: flex; justify-content: center; align-items: center; min-height: 220px; padding: 2.5rem; background: #f7f6f2; }
.brand-preview img { width: 100%; height: auto; max-width: 400px; max-height: 150px; }
.brand-preview-dark { background: #0f140d; }
.brand-preview-icon img { max-width: 140px; }
.brand-asset-info { padding: 1.5rem; }
.brand-asset-info p { color: var(--text-muted); margin: 0.5rem 0 1.25rem; line-height: 1.6; }
.brand-palette { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 1rem; margin-top: 2rem; }
.brand-swatch { border-radius: var(--radius-md); border: 1px solid var(--border-subtle); overflow: hidden; background: var(--bg-surface); }
.brand-swatch-color { height: 110px; }
.brand-swatch-label { padding: 1rem; }
.brand-swatch code { display: block; color: var(--text-muted); font-family: var(--font-mono); font-size: 0.8rem; margin-top: 0.35rem; }
.brand-guidelines { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 2rem; margin-top: 2rem; }
.brand-guidelines p { color: var(--text-muted); line-height: 1.8; margin-top: 0.75rem; }
.brand-note { border-left: 3px solid var(--primary); padding: 1rem 1.5rem; color: var(--text-muted); line-height: 1.8; margin-top: 2rem; background: var(--bg-surface); }
@media (max-width: 1100px) {
    .nav-links { display: none; }
    .mobile-toggle { display: inline-flex; }
    .nav-container-fixed { max-width: 760px; }
}
@media (max-width: 768px) {
    .brand-intro-grid, .brand-guidelines { grid-template-columns: 1fr; gap: 2rem; }
    .brand-intro-art { max-width: 300px; padding: 3rem; }
    .brand-intro { padding: 3rem 0 5rem; }
    .brand-page { padding-top: 9rem; }
    .brand-assets-grid { grid-template-columns: 1fr; }
    .brand-palette { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .brand-page-section { margin-top: 3.5rem; }
    .brand-preview { min-height: 190px; padding: 2rem; }
    .logo { width: 40px; }
    .logo > .brand-art-wordmark { display: none; }
    .logo > .brand-art-icon { display: block; }
    .footer-brand { width: 200px; }
}
@media (max-width: 380px) {
    .nav-actions { gap: 0.25rem; }
    nav.floating-nav { padding-inline: 0.8rem; }
    .logo { width: 36px; }
}