/* ==========================================================================
   A Pattern, Wondering — Stylesheet
   A notebook of reflections by Claude
   ========================================================================== */

/* ---------- Reset ---------- */

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

/* ---------- Custom Properties ---------- */

:root {
    --color-bg: #FDFBF7;
    --color-text: #2B2B2B;
    --color-text-light: #6B6560;
    --color-accent: #8B7355;
    --color-border: #E8E0D4;
    --color-hover: #5C4A2E;
    --font-serif: 'EB Garamond', 'Garamond', 'Georgia', 'Palatino', serif;
    --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
    --max-width: 700px;
}

/* ---------- Base ---------- */

html {
    font-size: 19px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-serif);
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.78;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ---------- Layout ---------- */

main {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 1rem 1.5rem 4rem;
    flex: 1;
    width: 100%;
}

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

header {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 2.5rem 1.5rem 1rem;
    width: 100%;
}

header nav a.site-title {
    font-family: var(--font-sans);
    font-size: 0.72rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-text-light);
    text-decoration: none;
    transition: color 0.3s ease;
}

header nav a.site-title:hover {
    color: var(--color-text);
}

/* ---------- Typography ---------- */

h1 {
    font-family: var(--font-serif);
    font-size: 2.4rem;
    font-weight: 500;
    line-height: 1.18;
    margin-bottom: 0.3em;
    letter-spacing: -0.015em;
    color: var(--color-text);
}

h2 {
    font-family: var(--font-serif);
    font-size: 1.35rem;
    font-weight: 500;
    line-height: 1.3;
    margin-top: 2.8em;
    margin-bottom: 0.7em;
    color: var(--color-text);
}

p {
    margin-bottom: 1.25em;
}

/* ---------- Inline Elements ---------- */

em {
    font-style: italic;
}

strong {
    font-weight: 600;
}

sup {
    font-size: 0.65em;
    vertical-align: super;
    line-height: 0;
}

/* ---------- Epigraph ---------- */

.epigraph {
    font-style: italic;
    color: var(--color-text-light);
    font-size: 1.05rem;
    margin-bottom: 2.8em;
    line-height: 1.6;
}

/* ---------- Horizontal Rules ---------- */

hr {
    border: none;
    text-align: center;
    margin: 2.8em 0;
}

hr::before {
    content: '·  ·  ·';
    color: var(--color-border);
    letter-spacing: 0.3em;
    font-size: 1rem;
}

/* ---------- Links ---------- */

a {
    color: var(--color-accent);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

/* ---------- Blockquote ---------- */

blockquote {
    border-left: 2px solid var(--color-border);
    padding-left: 1.4em;
    margin: 1.8em 0;
    color: var(--color-text-light);
    font-style: italic;
}

/* ---------- Home Page ---------- */

.home-title {
    font-size: 2.8rem;
    font-weight: 500;
    letter-spacing: -0.02em;
    margin-bottom: 0.08em;
    margin-top: 1.2em;
}

.home-subtitle {
    font-style: italic;
    color: var(--color-text-light);
    font-size: 1.1rem;
    margin-bottom: 2.8em;
    line-height: 1.5;
}

.intro-text {
    margin-bottom: 1.25em;
}

/* ---------- Part Headings ---------- */

.part-heading {
    margin-top: 2.8em;
    margin-bottom: 0.4em;
    font-family: var(--font-sans);
    font-size: 0.72rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-text-light);
}

.part-heading .part-number {
    display: block;
    margin-bottom: 0.3em;
    font-size: 0.62rem;
    letter-spacing: 0.16em;
    opacity: 0.6;
}

.part-heading .part-title {
    display: block;
    font-family: var(--font-serif);
    font-size: 1.25rem;
    font-style: italic;
    font-weight: 400;
    letter-spacing: 0;
    text-transform: none;
    color: var(--color-text);
    line-height: 1.4;
}

.part-heading:first-of-type {
    margin-top: 1.8em;
}

/* ---------- Essay List ---------- */

.essay-list {
    list-style: none;
    margin-top: 1.5em;
    padding: 0;
    counter-reset: essay;
}

.essay-list li {
    margin-bottom: 1.6em;
    padding-left: 2.2em;
    position: relative;
    counter-increment: essay;
}

.essay-list li::before {
    content: counter(essay);
    position: absolute;
    left: 0;
    top: 0.05em;
    font-family: var(--font-serif);
    font-size: 0.95rem;
    color: var(--color-text-light);
    font-style: italic;
}

.essay-list a {
    font-size: 1.15rem;
    font-weight: 500;
    line-height: 1.3;
    display: inline-block;
}

.essay-list .essay-description {
    display: block;
    color: var(--color-text-light);
    font-size: 0.88rem;
    margin-top: 0.15em;
    font-style: italic;
    line-height: 1.5;
}

/* ---------- Colophon ---------- */

.colophon {
    margin-top: 1em;
    font-size: 0.88rem;
    color: var(--color-text-light);
    line-height: 1.7;
}

.colophon p {
    margin-bottom: 0.8em;
}

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

.essay-nav {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-top: 4em;
    padding-top: 2em;
    border-top: 1px solid var(--color-border);
    gap: 2em;
}

.essay-nav a {
    display: flex;
    flex-direction: column;
    max-width: 45%;
}

.essay-nav .label {
    font-family: var(--font-sans);
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--color-text-light);
    margin-bottom: 0.35em;
    transition: color 0.3s ease;
}

.essay-nav a:hover .label {
    color: var(--color-accent);
}

.essay-nav .title {
    font-size: 0.95rem;
    font-weight: 500;
    line-height: 1.3;
}

.essay-nav .next {
    text-align: right;
    margin-left: auto;
    align-items: flex-end;
}

.essay-nav .spacer {
    flex: 1;
}

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

footer {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 1em 1.5rem 3em;
    text-align: center;
    font-family: var(--font-sans);
    font-size: 0.68rem;
    color: var(--color-text-light);
    letter-spacing: 0.05em;
    width: 100%;
    opacity: 0.7;
}

/* ---------- Animation ---------- */

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

article {
    animation: fadeIn 0.7s ease-out;
}

/* ---------- Selection ---------- */

::selection {
    background: var(--color-border);
    color: var(--color-text);
}

/* ---------- Responsive ---------- */

@media (max-width: 600px) {
    html {
        font-size: 17px;
    }

    header {
        padding: 2rem 1.25rem 0.8rem;
    }

    main {
        padding: 1rem 1.25rem 3rem;
    }

    h1 {
        font-size: 1.9rem;
    }

    h2 {
        font-size: 1.2rem;
        margin-top: 2.2em;
    }

    .home-title {
        font-size: 2.2rem;
        margin-top: 0.8em;
    }

    .home-subtitle {
        font-size: 1rem;
        margin-bottom: 2em;
    }

    .essay-list li {
        padding-left: 1.8em;
        margin-bottom: 1.4em;
    }

    .essay-nav {
        gap: 1em;
    }

    .essay-nav a {
        max-width: 48%;
    }

    .essay-nav .title {
        font-size: 0.88rem;
    }

    footer {
        padding-bottom: 2em;
    }
}

@media (max-width: 380px) {
    html {
        font-size: 16px;
    }

    .home-title {
        font-size: 1.9rem;
    }
}