:root {
    --text: #1a1a1a;
    --bg: #f7f9f6;
    --muted: #6b7a6b;
    --link: #4a7c59;
    --rule: #d6e4d6;

    /* Spring/moss greens */
    --green-header: #4a7c59;    /* header bg — forest moss */
    --green-dark:   #2d5c3f;    /* hover, footer links */
    --green-h2:     #3d6b4f;    /* h2 headings */
    --green-h3:     #5a8c6a;    /* h3 — lighter, secondary titles */
    --green-accent: #7aab8a;    /* blockquote border, dividers */
    --green-light:  #e8f2eb;    /* subtle bg tints if needed */

    /* Earth tone for keywords */
    --earth: #a07040;           /* slightly lighter than before */
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--bg);
    color: var(--text);
    line-height: 1.7;
    font-size: 17px;
    -webkit-font-smoothing: antialiased;
}

/* GREEN HEADER — centred */
.page-header {
    background-color: var(--green-header);
    color: #ffffff;
    text-align: center;
    padding: 3.5rem 1.5rem 3rem;
}

.page-header h1 {
    font-size: 2.6rem;
    font-weight: 600;
    letter-spacing: -0.02em;
    color: #ffffff;
    margin-bottom: 0.3rem;
}

.page-header .subtitle {
    color: rgba(255,255,255,0.8);
    font-size: 1rem;
    font-style: italic;
}

/* CONTENT WRAPPER */
.content {
    max-width: 680px;
    margin: 0 auto;
    padding: 3rem 1.5rem 4rem;
}

h2 {
    font-size: 1.4rem;
    font-weight: 600;
    margin-top: 3rem;
    margin-bottom: 1.2rem;
    letter-spacing: -0.01em;
    color: var(--green-h2);
}

/* Section title above a year — "A Hygiene of Perceiving" */
h3 {
    font-size: 1.6rem;
    font-weight: 600;
    margin-top: 3.5rem;
    margin-bottom: 0.5rem;
    letter-spacing: -0.01em;
    color: var(--green-h3);
}

p { margin-bottom: 1.2rem; }

strong { font-weight: 600; }

a { color: var(--link); text-decoration: none; }
a:hover { text-decoration: underline; color: var(--green-dark); }

blockquote {
    margin: 2rem 0;
    padding-left: 1.5rem;
    border-left: 3px solid var(--green-accent);
    color: var(--muted);
    font-style: italic;
}

blockquote p { margin-bottom: 0.8rem; }

.attribution {
    display: block;
    text-align: right;
    font-size: 0.9rem;
    margin-top: 0.5rem;
}

hr {
    border: none;
    border-top: 1px solid var(--rule);
    margin: 3rem 0;
}

.lang-nav {
    text-align: center;
    margin: 0 0 2rem 0;
    padding: 1rem 0 2rem 0;
    border-bottom: 1px solid var(--rule);
    font-size: 0.95rem;
}

.lang-nav a { color: var(--green-h2); font-weight: 500; }

.back {
    display: inline-block;
    margin-bottom: 2rem;
    color: var(--muted);
    font-size: 0.95rem;
}

.contact {
    margin: 2rem 0;
    text-align: center;
    font-size: 1.1rem;
}

.links {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--rule);
    font-size: 0.95rem;
    line-height: 1.8;
    color: var(--muted);
}

footer {
    margin-top: 4rem;
    padding-top: 2rem;
    border-top: 1px solid var(--rule);
    text-align: center;
    font-size: 0.9rem;
    color: var(--muted);
}

/* Mental Hygiene notes */
.notes p { margin-bottom: 1.5rem; }

/* Keywords: earth-tone, bold, slightly lighter */
.notes .kw {
    color: var(--earth);
    font-weight: 700;
}

@media (max-width: 767px) {
    .page-header h1 { font-size: 2rem; }
    .content { padding: 2rem 1.2rem 3rem; }
    h2 { font-size: 1.3rem; }
    h3 { font-size: 1.4rem; }
}