/* ============================================================
   common.css — Richard Rumelt website shared styles
   Edit this file to change colors, fonts, or layout globally.
   ============================================================ */
/* ── Design tokens ── */
/* Adobe Caslon Pro is loaded via Adobe Fonts (Typekit) on each page — link must appear
   before this stylesheet. Kit should include regular, italic, semibold, and bold (600/700);
   configure weights at https://fonts.adobe.com → Web Projects → your kit. */
:root {
    --font-main: "adobe-caslon-pro", "Adobe Caslon Pro", Georgia, serif;
    /* Body copy: CSS 16pt (~21px at 96dpi). Narrow screens override in @media below. */
    --body-font-size: 16pt;
    --body-line-height: 1.7;
    --prose-line-height: 1.75;
    --prose-p-gap: 1.25rem;
    --color-cream: #F2EDE3;
    --color-warm-white: #f5f1ea;
    --color-bg-subtle: #ebe6dd;
    --color-navy: #1a2332;
    --color-navy-light: #2d3748;
    --color-slate: #475569;
    --color-muted: #64748b;
    --color-accent: #8b6f47;
    --color-accent-light: #a68a5e;
    --color-border: #d4cfc5;
}

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

img {
    display: block;
    max-width: 100%;
    height: auto;
}

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

button,
input,
textarea,
select {
    font-family: inherit;
}

/* ── Base ── */
html {
    font-size: 16px;
    font-family: var(--font-main);
}

body {
    font-family: var(--font-main);
    /* Use real @font-face cuts from Typekit only; no browser-faked bold/italic */
    font-synthesis: none;
    font-size: var(--body-font-size);
    line-height: var(--body-line-height, 1.7);
    background-color: var(--color-cream);
    color: var(--color-slate);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ── Site name (above nav on every page) ── */
.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background-color: var(--color-cream);
    --header-content-max: 1100px;
}

.site-banner {
    font-family: var(--font-main);
    font-size: 0.95rem;
    font-weight: 600;
    font-variant: all-small-caps;
    font-synthesis: none;
    letter-spacing: 0.14em;
    text-align: left;
    color: var(--color-navy);
    position: absolute;
    left: max(1rem, calc((100vw - min(100vw, var(--header-content-max))) / 2 + 2rem));
    top: 0.86rem;
    z-index: 2;
    pointer-events: none;
    line-height: 1;
    margin: 0;
}

/* ── Navigation ── */
.site-header nav {
    background-color: var(--color-cream);
    border-bottom: 1px solid var(--color-border);
    padding: 0.55rem 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    flex-wrap: nowrap;
    position: static;
}

.site-header .nav-top {
    padding-top: 0.5rem;
    padding-bottom: 0.5rem;
}

.site-header .nav-sub {
    padding-top: 0.5rem;
    padding-bottom: 0.5rem;
}

.site-header nav a {
    font-family: var(--font-main);
    font-size: 1em;
    color: var(--color-muted);
    white-space: nowrap;
    transition: color 0.2s;
}

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

/* Sits directly after Advisory; slightly tighter space between the two words */
.site-header nav a.nav-strategy-foundry {
    word-spacing: -0.14em;
}

.site-header nav a.active {
    color: var(--color-accent);
    font-weight: 600;
}

/* ── Page heading (used on most interior pages) ── */
.page-heading {
    text-align: center;
    padding: 3rem 2rem 2rem;
}

.page-heading h1 {
    font-family: var(--font-main);
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-navy);
    margin-bottom: 0.6rem;
}

.page-heading p:not(.tagline) {
    font-family: var(--font-main);
    font-size: 1em;
    color: var(--color-muted);
    margin-bottom: 1rem;
}

.tagline {
    font-family: var(--font-main);
    font-size: 1em;
    color: var(--color-accent);
    letter-spacing: 0.02em;
    margin-bottom: 1rem;
    font-style: italic;
    font-weight: 600;
}

.divider {
    width: 120px;
    height: 1px;
    background-color: var(--color-accent);
    margin: 0 auto;
    opacity: 0.5;
}

/* ── Main content wrapper ── */
main {
    flex: 1;
    max-width: 1100px;
    width: 100%;
    margin: 0 auto;
    padding: 2rem 2rem 5rem;
}

/* ── Prose (body text blocks) ── */
.prose p {
    font-family: var(--font-main);
    font-size: 1em;
    line-height: var(--prose-line-height);
    color: var(--color-slate);
    margin-bottom: var(--prose-p-gap);
}

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

.prose strong {
    font-weight: 700;
    color: var(--color-navy);
}

.prose em {
    font-style: italic;
    font-weight: 600;
}

.prose a {
    color: var(--color-accent);
    text-decoration: underline;
}

.prose ul {
    margin-left: 1.5rem;
    margin-bottom: var(--prose-p-gap);
}

.prose ul li {
    font-family: var(--font-main);
    font-size: 1em;
    line-height: var(--body-line-height, 1.7);
    margin-bottom: 0.5rem;
}

/* ── Back link ── */
.back-link {
    font-family: var(--font-main);
    font-size: 1em;
    color: var(--color-accent);
    margin-bottom: 2rem;
    display: inline-block;
}

.back-link:hover {
    text-decoration: underline;
}

/* ── Section heading (uppercase label) ── */
.section-heading {
    font-family: var(--font-main);
    font-size: 1em;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-navy);
    text-align: center;
    margin-bottom: 1.25rem;
}

/* ── Accent rule (short underline beneath headings) ── */
.accent-rule {
    width: 40px;
    height: 2px;
    background-color: var(--color-accent);
    margin-bottom: 1.5rem;
}

/* ── Card (generic white panel) ── */
.card {
    background-color: #fff;
    border: 1px solid var(--color-border);
    border-radius: 6px;
    padding: 1.25rem;
    transition: box-shadow 0.2s;
}

.card:hover {
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

/* ── PDF / page link ── */
.view-link {
    font-family: var(--font-main);
    font-size: 1em;
    color: var(--color-accent);
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    margin-top: 0.5rem;
    transition: color 0.2s;
}

.view-link:hover {
    color: var(--color-navy);
    text-decoration: underline;
}

/* ── Supplemental row (book pages) ── */
.supp-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.85rem 1rem;
    border: 1px solid var(--color-border);
    border-radius: 4px;
    margin-bottom: 0.5rem;
    background-color: #fff;
}

.supp-left {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.supp-tag {
    font-family: var(--font-main);
    font-size: 1em;
    font-weight: 700;
    color: var(--color-muted);
    background: var(--color-bg-subtle);
    padding: 0.15rem 0.4rem;
    border-radius: 3px;
    letter-spacing: 0.05em;
}

.supp-label {
    font-family: var(--font-main);
    font-size: 1em;
    color: var(--color-navy);
}

.supp-link {
    font-family: var(--font-main);
    font-size: 1em;
    color: var(--color-accent);
    display: flex;
    align-items: center;
    gap: 0.35rem;
    white-space: nowrap;
}

.supp-link:hover {
    text-decoration: underline;
}

.supp-soon {
    font-family: var(--font-main);
    font-size: 1em;
    color: var(--color-muted);
    font-style: italic;
}

/* ── Reference row (gsbs-references, crux-references) ── */
.ref-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.9rem 1.1rem;
    border: 1px solid var(--color-border);
    border-radius: 4px;
    margin-bottom: 0.5rem;
    background-color: #fff;
    gap: 1rem;
}

.ref-label {
    font-family: var(--font-main);
    font-size: 1em;
    color: var(--color-slate);
    line-height: 1.5;
    flex: 1;
}

.ref-link {
    font-family: var(--font-main);
    font-size: 1em;
    color: var(--color-accent);
    display: flex;
    align-items: center;
    gap: 0.35rem;
    white-space: nowrap;
    flex-shrink: 0;
}

.ref-link:hover {
    text-decoration: underline;
}

/* ── Footer ── */
footer {
    background-color: var(--color-bg-subtle);
    border-top: 1px solid var(--color-border);
    padding: 1.5rem 2rem;
}

footer p {
    font-family: var(--font-main);
    font-size: 1em;
    color: var(--color-muted);
}

/* ── Narrow screens (phones): tighter line spacing & padding, smaller type than 16pt body ── */
@media (max-width: 600px) {
    :root {
        --body-font-size: 1rem;
        --body-line-height: 1.52;
        --prose-line-height: 1.55;
        --prose-p-gap: 1rem;
    }

    body {
        line-height: var(--body-line-height);
    }

    .site-header nav {
        flex-wrap: wrap;
        /* Tighter between wrapped rows of links; slightly wider between items on one row */
        row-gap: 0.25rem;
        column-gap: 0.65rem;
        padding: 0.4rem 1rem;
    }

    /* Shorter line boxes than body text (inherits ~1.52) so wrapped nav rows stack tighter */
    .site-header nav a {
        line-height: 1.25;
    }

    .site-banner {
        left: 1rem;
        top: 0.68rem;
        font-size: 0.82rem;
        letter-spacing: 0.11em;
    }

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

    .page-heading {
        padding: 2rem 1rem 1.5rem;
    }

    .page-heading h1 {
        font-size: 2rem;
        line-height: 1.12;
    }

    .page-heading p:not(.tagline) {
        margin-bottom: 0.75rem;
    }

    .tagline {
        margin-bottom: 0.75rem;
    }

    .prose ul li {
        margin-bottom: 0.35rem;
    }

    .ref-row {
        flex-direction: column;
        align-items: flex-start;
    }

    .ref-link {
        align-self: flex-end;
    }

    footer {
        padding: 1.25rem 1rem;
    }
}


/* Supplemental materials plain list (replaces supp-row cards) */
.supp-list { list-style: none; padding: 0; margin: 0; }
.supp-item-row { display: flex; align-items: baseline; gap: 0.9rem; padding: 0.6rem 0; border-bottom: 1px solid var(--color-border); }
.supp-item-row:last-child { border-bottom: none; }
.supp-view { font-family: var(--font-main); font-size: 0.88em; color: var(--color-accent); white-space: nowrap; flex-shrink: 0; text-decoration: none; }
.supp-view:hover { text-decoration: underline; }
.supp-no-link { font-family: var(--font-main); font-size: 0.88em; color: var(--color-border); white-space: nowrap; flex-shrink: 0; }
.supp-item-label { font-family: var(--font-main); font-size: 1em; color: var(--color-navy); }