:root {
    --color-bg: #f5f1e8;
    --color-surface: #fffef8;
    --color-text: #2c2416;
    --color-muted: #6b5d4f;
    --color-border: #d4c5a9;
}

html {
    scroll-behavior: smooth;
}

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

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

body {
    font-family: 'Crimson Text', serif;
    background: var(--color-bg);
    background-image:
        repeating-linear-gradient(90deg, transparent, transparent 2px, rgba(0,0,0,0.02) 2px, rgba(0,0,0,0.02) 4px),
        repeating-linear-gradient(0deg, transparent, transparent 2px, rgba(0,0,0,0.02) 2px, rgba(0,0,0,0.02) 4px);
    background-attachment: fixed;
    min-height: 100vh;
    padding: 0;
    margin: 0;
    color: var(--color-text);
    font-size: 18px;
    position: relative;
    animation: fadeIn 0.4s ease-out;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 40px 20px;
    position: relative;
}

/* HEADER & NAVIGATION */
header {
    background: transparent;
    border-bottom: 1px solid var(--color-text);
    padding-bottom: 30px;
    margin-bottom: 50px;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 20px;
}

header a.site-link {
    text-decoration: none;
    color: var(--color-text);
}

h1 {
    font-size: 3.5em;
    color: var(--color-text);
    font-weight: 400;
    letter-spacing: 2px;
}

.header-subtitle {
    font-size: 0.95em;
    color: var(--color-muted);
    margin-top: 8px;
    font-family: 'IBM Plex Mono', monospace;
    text-transform: uppercase;
    letter-spacing: 1px;
}

nav {
    display: flex;
    gap: 30px;
    align-items: center;
}

nav a {
    text-decoration: none;
    color: var(--color-text);
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.75em;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.3s;
    border-bottom: 2px solid transparent;
    padding-bottom: 2px;
}

nav a:hover,
nav a:focus-visible {
    border-bottom-color: var(--color-text);
}

/* FOCUS STYLES */
:focus-visible {
    outline: 2px solid var(--color-text);
    outline-offset: 3px;
}

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

a.category-link:focus-visible .category-card {
    border-color: var(--color-text);
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

a.category-link:focus-visible {
    outline: none;
}

button {
    background: transparent;
    color: var(--color-text);
    border: 1px solid var(--color-text);
    padding: 10px 18px;
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.75em;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    transition: all 0.3s;
    border-radius: 0;
}

button:hover {
    background: var(--color-text);
    color: var(--color-bg);
}

/* HERO SECTION */
.hero {
    margin-bottom: 80px;
}

.hero h2 {
    font-size: 2.5em;
    margin-bottom: 20px;
    color: var(--color-text);
    font-weight: 400;
    line-height: 1.3;
}

.hero p {
    font-size: 1.1em;
    color: var(--color-muted);
    max-width: 800px;
    line-height: 1.7;
}

/* CATEGORIES */
.categories {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 20px;
    margin-bottom: 80px;
}

.category-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    padding: 20px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease-out;
}

.category-card:hover {
    border-color: var(--color-text);
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

.category-card:nth-child(1):hover {
    transform: translateY(-1px);
}

.category-card:nth-child(2):hover {
    transform: translateY(-2px);
}

.category-card:nth-child(3):hover {
    transform: translateY(-1px);
}

.category-card:nth-child(4):hover {
    transform: translateY(-2px);
}

.category-card:nth-child(5):hover {
    transform: translateY(-1px);
}

.category-card:nth-child(6):hover {
    transform: translateY(-2px);
}

.category-card:nth-child(7):hover {
    transform: translateY(-1px);
}

a.category-link {
    text-decoration: none;
    color: inherit;
    display: block;
}

.category-description {
    font-size: 1.1em;
    color: var(--color-muted);
    max-width: 800px;
    line-height: 1.7;
    margin-bottom: 50px;
}

.empty-state {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.85em;
    color: var(--color-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 40px 0;
}

.category-name {
    font-size: 0.9em;
    color: var(--color-text);
    margin-bottom: 6px;
    font-weight: 600;
}

.category-count {
    font-size: 0.75em;
    color: var(--color-muted);
    font-family: 'IBM Plex Mono', monospace;
}

/* SECTIONS */
.featured-section {
    margin-bottom: 80px;
}

.section-title {
    font-size: 2em;
    margin-bottom: 40px;
    color: var(--color-text);
    font-weight: 400;
    border-bottom: 1px solid var(--color-text);
    padding-bottom: 20px;
}

/* PAGE CONTENT (FOR ABOUT PAGE, ETC.) */
.page-title {
    font-size: 2.5em;
    margin-bottom: 40px;
    color: var(--color-text);
    font-weight: 400;
    line-height: 1.3;
}

.content {
    max-width: 750px;
}

.content h2 {
    font-size: 1.8em;
    margin-top: 60px;
    margin-bottom: 20px;
    color: var(--color-text);
    font-weight: 600;
}

.content h2:first-of-type {
    margin-top: 0;
}

.content p {
    font-size: 1.05em;
    line-height: 1.8;
    margin-bottom: 20px;
    color: var(--color-muted);
}

.content ul {
    font-size: 1.05em;
    line-height: 1.8;
    margin-bottom: 20px;
    margin-left: 30px;
    color: var(--color-muted);
}

.content li {
    margin-bottom: 12px;
}

.content em {
    color: var(--color-text);
    font-style: italic;
}

.content strong {
    color: var(--color-text);
    font-weight: 600;
}

/* FOOTER */
footer {
    border-top: 1px solid var(--color-text);
    padding-top: 40px;
    margin-top: 80px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

footer p {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.8em;
    color: var(--color-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

footer a {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.8em;
    color: var(--color-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    text-decoration: none;
    transition: all 0.3s ease-out;
    border-bottom: 1px solid transparent;
}

footer a:hover {
    color: var(--color-text);
    border-bottom-color: var(--color-text);
    transform: translateX(2px);
}

/* COLOPHON PAGE */
nav a.active {
    border-bottom-color: var(--color-text);
}

.content h3 {
    font-size: 1.2em;
    margin-top: 30px;
    margin-bottom: 12px;
    color: var(--color-text);
    font-weight: 600;
}

.spec-box {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    padding: 25px;
    margin: 30px 0;
}

.spec-box h3 {
    margin-top: 0;
}

.spec-item {
    margin-bottom: 15px;
    display: grid;
    grid-template-columns: 120px 1fr;
    gap: 15px;
}

.spec-item:last-child {
    margin-bottom: 0;
}

.spec-label {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.9em;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-muted);
    font-weight: 500;
}

.spec-value {
    color: var(--color-text);
}

.spec-value a {
    color: var(--color-text);
    text-decoration: underline;
    transition: all 0.3s;
}

.spec-value a:hover {
    color: var(--color-muted);
}

.philosophy-section {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    padding: 30px;
    margin: 30px 0;
}

.philosophy-section p {
    margin-bottom: 15px;
}

.philosophy-section p:last-child {
    margin-bottom: 0;
}

.ornament {
    text-align: center;
    color: var(--color-border);
    font-size: 1.5em;
    margin: 30px 0;
    letter-spacing: 10px;
}

/* DECORATIVE EMOJI */
.emoji-decoration {
    position: fixed;
    opacity: 0.3;
    pointer-events: none;
    z-index: -1;
}

.emoji-decoration svg {
    display: block;
    filter: hue-rotate(var(--hue-rotate, 0deg));
}

/* RESPONSIVE */
@media (max-width: 768px) {
    h1 {
        font-size: 2em;
    }

    .hero h2 {
        font-size: 1.8em;
    }

    .page-title {
        font-size: 1.8em;
    }

    .header-content {
        flex-direction: column;
        gap: 15px;
    }

    nav {
        flex-direction: row;
        gap: 15px;
        align-items: center;
    }

    footer {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }

    .spec-item {
        grid-template-columns: 1fr;
    }

    .spec-label {
        margin-bottom: 5px;
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: 1.6em;
    }

    .hero h2,
    .page-title {
        font-size: 1.5em;
    }

    .section-title {
        font-size: 1.5em;
    }

    nav {
        gap: 10px;
    }

    .container {
        padding: 30px 15px;
    }
}

/* REDUCED MOTION */
@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    body {
        animation: none;
    }

    *, *::before, *::after {
        transition-duration: 0.01ms !important;
    }
}