/* Public landing page for The Python Group for Educational Narratives.
 * Deliberately separate from theme.css: light, institutional, serif headings.
 * No web fonts, so nothing is fetched from outside our own server.
 */
:root {
    --navy: #14304f;
    --navy-deep: #0d2139;
    --gold: #b58a2e;
    --ink: #1f2933;
    --muted: #52606d;
    --rule: #d9dee4;
    --paper: #ffffff;
    --paper-alt: #f4f6f8;
    --serif: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, "Times New Roman", serif;
    --sans: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    color-scheme: light;
}

* { box-sizing: border-box; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 17px/1.65 var(--sans); }
a { color: var(--navy); }
:focus-visible { outline: 2px solid var(--gold); outline-offset: 2px; }
h1, h2, h3 { font-family: var(--serif); color: var(--navy-deep); font-weight: 600; line-height: 1.2; }
h2 { font-size: 1.9rem; margin: 0 0 1.25rem; }
h3 { font-size: 1.2rem; margin: 0 0 .5rem; }
p { margin: 0 0 1rem; }

.wrap { max-width: 1120px; margin: 0 auto; padding-inline: 24px; }

.utility-bar { background: var(--navy-deep); color: #c9d3de; font-size: .85rem; }
.utility-bar .wrap { display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; padding-block: .45rem; }
.utility-bar a { color: #fff; text-decoration: none; font-weight: 600; }
.utility-bar a:hover { text-decoration: underline; }

.org-header { border-bottom: 1px solid var(--rule); background: var(--paper); }
.org-header .wrap { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; flex-wrap: wrap; padding-block: 1.1rem; }
.org-mark { display: flex; align-items: center; gap: .85rem; text-decoration: none; color: var(--navy-deep); }
.seal {
    display: grid; place-items: center; width: 52px; height: 52px; border-radius: 50%;
    background: var(--navy); color: #fff; font: 600 1.25rem/1 var(--serif);
    box-shadow: inset 0 0 0 3px var(--navy), inset 0 0 0 5px var(--gold);
}
.org-name { display: flex; flex-direction: column; font-family: var(--serif); line-height: 1.15; }
.org-name strong { font-size: 1.3rem; }
.org-name span { font-size: .95rem; color: var(--muted); letter-spacing: .02em; }
.org-nav { display: flex; gap: 1.5rem; flex-wrap: wrap; font-size: .95rem; }
.org-nav a { text-decoration: none; color: var(--ink); }
.org-nav a:hover { color: var(--navy); text-decoration: underline; text-underline-offset: 4px; }

.hero { background: linear-gradient(180deg, var(--navy) 0%, var(--navy-deep) 100%); color: #e6ecf2; padding-block: 5rem 4.5rem; }
.hero h1 { color: #fff; font-size: clamp(2.1rem, 4.5vw, 3.2rem); max-width: 18ch; margin: 0 0 1.25rem; }
.eyebrow { text-transform: uppercase; letter-spacing: .14em; font-size: .8rem; color: #e2c47d; font-weight: 600; margin-bottom: 1rem; }
.lede { font-size: 1.2rem; max-width: 60ch; }
.actions { display: flex; gap: .85rem; flex-wrap: wrap; margin-top: 2rem; }

.btn { display: inline-block; padding: .75rem 1.5rem; border-radius: 3px; font-weight: 600; text-decoration: none; border: 1px solid transparent; }
.btn-primary { background: var(--gold); color: #fff; }
.btn-primary:hover { background: #9c7624; }
.btn-secondary { border-color: rgba(255, 255, 255, .6); color: #fff; }
.btn-secondary:hover { background: rgba(255, 255, 255, .1); }

.band { padding-block: 4.5rem; }
.band-alt { background: var(--paper-alt); border-block: 1px solid var(--rule); }
.two-col { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 2fr); gap: 2.5rem; }
.two-col h2 { border-top: 3px solid var(--gold); padding-top: 1rem; }

.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 1.5rem; }
.card { background: var(--paper); border: 1px solid var(--rule); border-top: 3px solid var(--navy); padding: 1.5rem; }
.card p, .principle p { color: var(--muted); font-size: .97rem; margin: 0; }
.principle { border-left: 3px solid var(--gold); padding-left: 1.25rem; }

.concepts { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 0 2rem; }
.concepts li { padding: .7rem 0; border-bottom: 1px solid var(--rule); }

.checklist { margin: 0; padding: 0; list-style: none; }
.checklist li { position: relative; padding: .5rem 0 .5rem 1.9rem; }
.checklist li::before { content: ""; position: absolute; left: 0; top: .95rem; width: 12px; height: 7px; border: solid var(--gold); border-width: 0 0 2px 2px; transform: rotate(-45deg); }

.org-footer { background: var(--navy-deep); color: #c9d3de; padding-block: 2.5rem; font-size: .92rem; }
.org-footer .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1.25rem; }
.org-footer strong { color: #fff; font-family: var(--serif); font-size: 1.05rem; }
.org-footer p { margin: .25rem 0 0; }
.org-footer nav { display: flex; gap: 1.5rem; }
.org-footer a { color: #fff; }
.copyright { flex-basis: 100%; border-top: 1px solid rgba(255, 255, 255, .15); padding-top: 1.25rem; color: #8fa0b3; }

@media (max-width: 760px) {
    .two-col { grid-template-columns: 1fr; gap: 1rem; }
    .org-nav { gap: 1rem; }
    .hero { padding-block: 3.5rem 3rem; }
}