/* ==========================================================================
 * Online Guide Capital — ogc.css
 * Paper, ink, navy and one red. Set like an annual report: numbered
 * sections, ruled lines, serif figures. No photographs above the fold.
 * ========================================================================== */

:root {
	--ogc-paper: #fbf8f1;
	--ogc-paper-2: #f3ecdd;   /* Angkor sandstone */
	--ogc-card: #fffdf8;
	--ogc-ink: #16203a;
	--ogc-ink-2: #4a5468;
	--ogc-ink-3: #7b8394;
	--ogc-rule: #e2d9c6;
	--ogc-rule-2: #cfc3a8;
	--ogc-navy: #1c3f8f;
	--ogc-navy-2: #5b78b8;
	--ogc-navy-3: #a9b9dc;
	--ogc-night: #0f2557;
	--ogc-red: #d81f36;
	--ogc-red-dark: #a3142a;
	--ogc-cream: #fdfaf3;

	--ogc-serif: 'Fraunces', 'Iowan Old Style', Georgia, 'Times New Roman', serif;
	--ogc-sans: 'Work Sans', system-ui, -apple-system, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;

	--ogc-max: 1200px;
	--ogc-read: 720px;
	--ogc-gutter: clamp(16px, 4vw, 40px);
	--ogc-sec-y: clamp(64px, 9vw, 120px);
	--ogc-radius: 6px;
	--ogc-ease: cubic-bezier(.2, .7, .2, 1);
}

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 88px; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { transition: none !important; animation: none !important; } }
body {
	margin: 0;
	background: var(--ogc-paper);
	color: var(--ogc-ink);
	font-family: var(--ogc-sans);
	font-size: 17px;
	line-height: 1.6;
	font-feature-settings: 'kern', 'liga';
	-webkit-font-smoothing: antialiased;
	text-rendering: optimizeLegibility;
	overflow-x: hidden;
}
img, svg { max-width: 100%; height: auto; }
a { color: var(--ogc-navy); text-decoration-thickness: 1px; text-underline-offset: .18em; }
a:hover { color: var(--ogc-red-dark); }
:focus-visible { outline: 2px solid var(--ogc-red); outline-offset: 3px; border-radius: 2px; }
h1, h2, h3, h4 { text-wrap: pretty; font-family: var(--ogc-serif); font-weight: 560; letter-spacing: -0.02em; line-height: 1.12; margin: 0; color: var(--ogc-ink); font-optical-sizing: auto; }
p { margin: 0; }
ol, ul { margin: 0; padding: 0; }
.ogc-main ol, .ogc-main ul { list-style: none; }
.screen-reader-text { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(1px, 1px, 1px, 1px); white-space: nowrap; }
.ogc-skip { position: absolute; left: 12px; top: -60px; z-index: 100; background: var(--ogc-ink); color: var(--ogc-cream); padding: 10px 16px; border-radius: var(--ogc-radius); }
.ogc-skip:focus { top: 12px; color: var(--ogc-cream); }
.ogc-wrap { width: 100%; max-width: calc(var(--ogc-max) + 2 * var(--ogc-gutter)); margin: 0 auto; padding: 0 var(--ogc-gutter); }
.ogc-wrap--read { max-width: calc(var(--ogc-read) + 2 * var(--ogc-gutter)); }
.ogc-icon { flex: none; vertical-align: middle; }

/* ---------- Buttons ---------- */
.ogc-btn {
	display: inline-flex; align-items: center; gap: 8px;
	font: 500 15px/1 var(--ogc-sans); letter-spacing: .01em;
	padding: 13px 20px; border-radius: var(--ogc-radius);
	border: 1px solid transparent; text-decoration: none; cursor: pointer;
	transition: background-color .2s var(--ogc-ease), color .2s var(--ogc-ease), border-color .2s var(--ogc-ease), transform .2s var(--ogc-ease);
	white-space: nowrap;
}
.ogc-btn:active { transform: translateY(1px); }
.ogc-btn--navy { background: var(--ogc-navy); color: var(--ogc-cream); }
.ogc-btn--navy:hover { background: var(--ogc-night); color: var(--ogc-cream); }
.ogc-btn--ink { background: var(--ogc-ink); color: var(--ogc-cream); }
.ogc-btn--ink:hover { background: var(--ogc-red); color: var(--ogc-cream); }
.ogc-btn--line { border-color: var(--ogc-ink); color: var(--ogc-ink); background: transparent; }
.ogc-btn--line:hover { background: var(--ogc-ink); color: var(--ogc-cream); }
.ogc-btn--cream { background: var(--ogc-cream); color: var(--ogc-night); }
.ogc-btn--cream:hover { background: #fff; color: var(--ogc-red-dark); }
.ogc-btn--quiet { padding: 8px 12px; font-size: 14px; color: var(--ogc-ink-2); background: transparent; border-color: var(--ogc-rule-2); }
.ogc-btn--quiet:hover { color: var(--ogc-ink); border-color: var(--ogc-ink); }

/* ---------- Small type ---------- */
.ogc-eyebrow { display: flex; align-items: center; gap: 12px; font-size: 12px; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: var(--ogc-ink-2); margin-bottom: 24px; }
.ogc-eyebrow::before { content: ''; width: 28px; height: 2px; background: var(--ogc-red); flex: none; }
.ogc-note { font-size: 14px; line-height: 1.55; color: var(--ogc-ink-2); border-left: 2px solid var(--ogc-rule-2); padding: 2px 0 2px 14px; margin-top: 28px; max-width: 72ch; }
.ogc-note--warn { border-color: var(--ogc-red); color: var(--ogc-red-dark); }
.ogc-tag { display: inline-block; font-style: normal; font-family: var(--ogc-sans); font-size: 11px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; background: var(--ogc-red); color: var(--ogc-cream); padding: 3px 8px; border-radius: 999px; vertical-align: middle; margin-left: 6px; }
.ogc-meta { font-size: 13px; color: var(--ogc-ink-3); letter-spacing: .02em; }
.ogc-meta a { color: inherit; }

/* ---------- Header ---------- */
.ogc-header { position: sticky; top: 0; z-index: 50; background: rgba(251, 248, 241, .94); backdrop-filter: saturate(1.2) blur(8px); -webkit-backdrop-filter: saturate(1.2) blur(8px); border-bottom: 1px solid var(--ogc-rule); }
.admin-bar .ogc-header { top: 32px; }
@media (max-width: 782px) { .admin-bar .ogc-header { top: 46px; } }
@media (max-width: 600px) { .admin-bar .ogc-header { top: 0; } }
.ogc-header__row { display: flex; align-items: center; gap: 24px; min-height: 76px; }
.ogc-brand { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; color: var(--ogc-ink); margin-right: auto; min-width: 0; }
.ogc-brand:hover { color: var(--ogc-ink); }
.ogc-brand__mark { width: 44px; height: 44px; flex: none; object-fit: contain; }
.ogc-brand__words { display: flex; flex-direction: column; line-height: 1.1; min-width: 0; }
.ogc-brand__name { font-family: var(--ogc-serif); font-weight: 600; font-size: 21px; letter-spacing: -0.015em; white-space: nowrap; }
.ogc-brand__tag { font-size: 11px; font-weight: 500; letter-spacing: .14em; text-transform: uppercase; color: var(--ogc-ink-3); margin-top: 4px; white-space: nowrap; }
.ogc-nav { display: flex; align-items: center; gap: 28px; }
.ogc-nav__list { display: flex; gap: 26px; list-style: none; margin: 0; padding: 0; }
.ogc-nav__list a { color: var(--ogc-ink-2); text-decoration: none; font-size: 15px; font-weight: 500; padding: 6px 0; background: linear-gradient(var(--ogc-red), var(--ogc-red)) left bottom / 0 1.5px no-repeat; transition: background-size .25s var(--ogc-ease), color .2s; }
.ogc-nav__list a:hover, .ogc-nav__list .current-menu-item > a { color: var(--ogc-ink); background-size: 100% 1.5px; }
.ogc-nav__cta { padding: 11px 18px; }
.ogc-menu { display: none; background: none; border: 1px solid var(--ogc-rule-2); color: var(--ogc-ink); border-radius: var(--ogc-radius); width: 44px; height: 44px; align-items: center; justify-content: center; cursor: pointer; }
.ogc-menu__close { display: none; }
.ogc-menu[aria-expanded="true"] .ogc-menu__open { display: none; }
.ogc-menu[aria-expanded="true"] .ogc-menu__close { display: inline-flex; }

@media (max-width: 1040px) {
	.ogc-menu { display: inline-flex; }
	.ogc-nav { display: none; position: absolute; left: 0; right: 0; top: 100%; flex-direction: column; align-items: stretch; gap: 0; background: var(--ogc-paper); border-bottom: 1px solid var(--ogc-rule); padding: 8px var(--ogc-gutter) 24px; box-shadow: 0 18px 30px -20px rgba(22, 32, 58, .35); }
	.ogc-nav.is-open { display: flex; }
	.ogc-nav__list { flex-direction: column; gap: 0; }
	.ogc-nav__list a { display: block; padding: 15px 0; font-size: 18px; font-family: var(--ogc-serif); color: var(--ogc-ink); border-bottom: 1px solid var(--ogc-rule); background: none; }
	.ogc-nav__cta { margin-top: 20px; justify-content: center; padding: 15px; }
}
@media (max-width: 420px) {
	.ogc-brand__name { font-size: 18px; }
	.ogc-brand__mark { width: 38px; height: 38px; }
	.ogc-brand__tag { letter-spacing: .1em; }
}

/* ---------- Hero ---------- */
.ogc-hero { padding: clamp(48px, 8vw, 104px) 0 clamp(40px, 6vw, 72px); position: relative; }
.ogc-hero__grid { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, .8fr); gap: clamp(40px, 6vw, 88px); align-items: end; }
.ogc-hero__title { font-size: clamp(46px, 7.4vw, 96px); font-weight: 600; line-height: .98; letter-spacing: -0.03em; text-wrap: balance; }
.ogc-hero__title > span { display: block; }
.ogc-hero__sub { font-size: clamp(24px, 3.1vw, 40px); font-weight: 400; letter-spacing: -0.02em; line-height: 1.15; color: var(--ogc-navy); margin-top: 18px; max-width: 18em; }
.ogc-hero__lede { font-size: clamp(17px, 1.5vw, 19px); line-height: 1.6; color: var(--ogc-ink-2); max-width: 58ch; margin-top: 28px; }
.ogc-hero__actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 36px; }

.ogc-stair { margin: 0; background: var(--ogc-card); border: 1px solid var(--ogc-rule); border-radius: 10px; padding: 22px 22px 16px; box-shadow: 0 1px 0 rgba(22, 32, 58, .03), 0 24px 48px -32px rgba(15, 37, 87, .35); }
.ogc-stair__cap { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; flex-wrap: wrap; font-size: 12px; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; color: var(--ogc-ink-2); padding-bottom: 14px; border-bottom: 1px solid var(--ogc-rule); }
.ogc-stair__now { letter-spacing: .02em; text-transform: none; font-weight: 500; color: var(--ogc-red-dark); }
.ogc-stair__steps { display: flex; align-items: flex-end; gap: 6px; height: clamp(240px, 26vw, 300px); padding-top: 18px; list-style: none; margin: 0; }
.ogc-stair__step { flex: 1 1 0; height: 100%; display: flex; align-items: flex-end; min-width: 0; }
.ogc-stair__bar { position: relative; width: 100%; height: var(--ogc-h); border-radius: 4px 4px 0 0; display: flex; flex-direction: column; align-items: center; padding: 8px 0; gap: 8px; overflow: hidden; }
.ogc-stair__n { font-family: var(--ogc-serif); font-weight: 600; font-size: 15px; line-height: 1; font-variant-numeric: lining-nums tabular-nums; }
.ogc-stair__label { writing-mode: vertical-rl; transform: rotate(180deg); font-size: 12px; font-weight: 500; letter-spacing: .03em; white-space: nowrap; }
.ogc-stair__step.is-done .ogc-stair__bar { background: var(--ogc-navy); color: var(--ogc-cream); }
.ogc-stair__step.is-now .ogc-stair__bar { background: var(--ogc-red); color: var(--ogc-cream); }
.ogc-stair__step.is-next .ogc-stair__bar { background: repeating-linear-gradient(-45deg, transparent 0 6px, rgba(28, 63, 143, .07) 6px 7px); border: 1px solid var(--ogc-navy-3); border-bottom: 0; color: var(--ogc-navy); }
.ogc-stair__foot { display: flex; justify-content: space-between; border-top: 2px solid var(--ogc-ink); padding-top: 8px; font-size: 12px; color: var(--ogc-ink-2); font-variant-numeric: tabular-nums; }

.ogc-facts { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); margin: clamp(48px, 7vw, 88px) 0 0; border-top: 1px solid var(--ogc-ink); }
.ogc-facts > div { padding: 18px 20px 0 0; }
.ogc-facts > div + div { padding-left: 20px; border-left: 1px solid var(--ogc-rule); }
.ogc-facts dt { font-size: 11px; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: var(--ogc-ink-3); }
.ogc-facts dd { margin: 6px 0 0; font-family: var(--ogc-serif); font-size: clamp(18px, 1.7vw, 22px); font-weight: 500; letter-spacing: -0.01em; line-height: 1.25; }

@media (max-width: 900px) {
	.ogc-hero__grid { grid-template-columns: 1fr; }
	.ogc-stair { max-width: 560px; }
	.ogc-facts { grid-template-columns: repeat(2, minmax(0, 1fr)); }
	.ogc-facts > div:nth-child(3) { padding-left: 0; border-left: 0; }
	.ogc-facts > div:nth-child(n+3) { margin-top: 18px; border-top: 1px solid var(--ogc-rule); }
}
@media (max-width: 380px) { .ogc-stair__label { font-size: 11px; } .ogc-stair__steps { gap: 4px; } }

/* ---------- Sections ---------- */
.ogc-sec { padding: var(--ogc-sec-y) 0; border-top: 1px solid var(--ogc-rule); }
.ogc-sec--sand { background: var(--ogc-paper-2); border-top-color: var(--ogc-rule-2); }
.ogc-sec--tight { padding: clamp(32px, 5vw, 56px) 0 var(--ogc-sec-y); border-top: 0; }
.ogc-sec__head { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); column-gap: clamp(32px, 6vw, 80px); align-items: end; margin-bottom: clamp(36px, 5vw, 64px); }
.ogc-sec__kicker { grid-column: 1 / -1; display: flex; align-items: center; gap: 14px; font-size: 12px; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: var(--ogc-ink-2); margin-bottom: 20px; }
.ogc-sec__kicker::after { content: ''; flex: 1; height: 1px; background: var(--ogc-rule-2); }
.ogc-sec__num { font-family: var(--ogc-serif); font-size: 15px; font-weight: 600; letter-spacing: 0; color: var(--ogc-red); font-variant-numeric: lining-nums; }
.ogc-sec__title { font-size: clamp(32px, 4.4vw, 56px); line-height: 1.04; letter-spacing: -0.03em; max-width: 16em; text-wrap: balance; }
.ogc-sec__lede { font-size: 17px; color: var(--ogc-ink-2); max-width: 46ch; }
@media (max-width: 900px) {
	.ogc-sec__head { grid-template-columns: 1fr; }
	.ogc-sec__lede { margin-top: 18px; }
}

/* ---------- 01 Ecosystem ---------- */
.ogc-layers { border-top: 2px solid var(--ogc-ink); }
.ogc-layer { display: grid; grid-template-columns: 220px minmax(0, 1fr) 190px; column-gap: 32px; padding: 26px 0 26px; border-bottom: 1px solid var(--ogc-rule); position: relative; transition: background-color .25s var(--ogc-ease); }
.ogc-layer::before { content: ''; position: absolute; left: -16px; top: 26px; bottom: 26px; width: 3px; border-radius: 2px; background: var(--ogc-c, var(--ogc-navy)); opacity: 0; transition: opacity .25s; }
.ogc-layer:hover::before { opacity: 1; }
.ogc-layer--1 { --ogc-c: var(--ogc-night); }
.ogc-layer--2 { --ogc-c: var(--ogc-navy); }
.ogc-layer--3 { --ogc-c: var(--ogc-red); }
.ogc-layer--4 { --ogc-c: #b08a3e; }
.ogc-layer__layer { grid-row: 1 / span 3; display: flex; align-items: center; gap: 10px; font-size: 12px; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; color: var(--ogc-ink-2); align-self: start; padding-top: 8px; }
.ogc-layer__dot { width: 10px; height: 10px; border-radius: 2px; background: var(--ogc-c); transform: rotate(45deg); flex: none; }
.ogc-layer__name { font-size: clamp(24px, 2.6vw, 32px); letter-spacing: -0.02em; overflow-wrap: anywhere; }
.ogc-layer__name a { color: var(--ogc-ink); text-decoration: none; }
.ogc-layer__name a:hover { color: var(--ogc-navy); text-decoration: underline; text-decoration-thickness: 1px; }
.ogc-layer__full { font-size: 14px; color: var(--ogc-navy); margin-top: 6px; font-weight: 500; }
.ogc-layer__text { color: var(--ogc-ink-2); margin-top: 10px; max-width: 60ch; }
.ogc-layer__role { grid-column: 3; grid-row: 1 / span 3; align-self: start; padding-top: 10px; text-align: right; font-family: var(--ogc-serif); font-size: 17px; color: var(--ogc-ink); }
.ogc-layer__role::before { content: '→ '; color: var(--ogc-red); }

.ogc-principle { margin: 48px 0 0; background: var(--ogc-night); color: var(--ogc-cream); border-radius: 10px; padding: clamp(24px, 3.5vw, 40px); }
.ogc-principle__cap { font-size: 12px; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: rgba(253, 250, 243, .65); margin-bottom: 18px; }
.ogc-principle__chain { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 0; counter-reset: ogcp; }
.ogc-principle__chain li { position: relative; padding: 0 22px 0 0; font-size: 15px; line-height: 1.45; color: rgba(253, 250, 243, .78); }
.ogc-principle__chain li + li { padding-left: 22px; border-left: 1px solid rgba(253, 250, 243, .18); }
.ogc-principle__chain strong { display: block; font-family: var(--ogc-serif); font-weight: 500; font-size: clamp(19px, 1.8vw, 23px); color: var(--ogc-cream); letter-spacing: -0.01em; margin-bottom: 4px; }
.ogc-principle__chain li:last-child strong { color: #ffb3bd; }

@media (max-width: 960px) {
	.ogc-layer { grid-template-columns: minmax(0, 1fr); }
	.ogc-layer__layer, .ogc-layer__role { grid-row: auto; grid-column: auto; text-align: left; padding-top: 0; }
	.ogc-layer__layer { margin-bottom: 10px; }
	.ogc-layer__role { margin-top: 12px; font-size: 16px; }
	.ogc-layer::before { left: -10px; }
	.ogc-principle__chain { grid-template-columns: 1fr; gap: 0; }
	.ogc-principle__chain li, .ogc-principle__chain li + li { padding: 14px 0; border-left: 0; border-top: 1px solid rgba(253, 250, 243, .16); }
	.ogc-principle__chain li:first-child { border-top: 0; padding-top: 0; }
}

/* ---------- 02 Mission timeline ---------- */
.ogc-timeline { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); position: relative; }
.ogc-timeline::before { content: ''; position: absolute; left: 0; right: 0; top: 11px; height: 2px; background: var(--ogc-ink); }
.ogc-phase { position: relative; padding: 40px 24px 0 0; }
.ogc-phase::before { content: ''; position: absolute; left: 0; top: 4px; width: 16px; height: 16px; border-radius: 50%; background: var(--ogc-paper-2); border: 2px solid var(--ogc-ink); }
.ogc-phase.is-now::before { background: var(--ogc-red); border-color: var(--ogc-red); box-shadow: 0 0 0 6px rgba(216, 31, 54, .15); }
.ogc-phase__year { font-family: var(--ogc-serif); font-size: clamp(28px, 2.8vw, 38px); font-weight: 600; letter-spacing: -0.03em; line-height: 1; font-variant-numeric: lining-nums; }
.ogc-phase:last-child .ogc-phase__year { font-size: clamp(22px, 2.2vw, 30px); }
.ogc-phase__verb { font-size: 12px; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; color: var(--ogc-red-dark); margin-top: 12px; }
.ogc-phase__title { font-size: 20px; margin-top: 8px; letter-spacing: -0.01em; }
.ogc-phase__text { font-size: 15px; color: var(--ogc-ink-2); margin-top: 10px; }
@media (max-width: 960px) {
	.ogc-timeline { grid-template-columns: 1fr; padding-left: 34px; }
	.ogc-timeline::before { left: 7px; right: auto; top: 6px; bottom: 6px; width: 2px; height: auto; }
	.ogc-phase { padding: 0 0 36px; }
	.ogc-phase:last-child { padding-bottom: 0; }
	.ogc-phase::before { left: -34px; top: 6px; }
}

/* ---------- 03 Ladder ---------- */
.ogc-twocol { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-bottom: 40px; }
.ogc-define { border-left: 3px solid var(--ogc-navy); padding: 4px 0 4px 18px; }
.ogc-define + .ogc-define { border-left-color: var(--ogc-red); }
.ogc-define h3 { font-size: 21px; }
.ogc-define p { color: var(--ogc-ink-2); margin-top: 6px; }
.ogc-ladder { border-top: 2px solid var(--ogc-ink); font-variant-numeric: lining-nums tabular-nums; }
.ogc-ladder__row { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr) minmax(0, 1.2fr); column-gap: 24px; padding: 18px 0 20px; border-bottom: 1px solid var(--ogc-rule); position: relative; align-items: baseline; }
.ogc-ladder__row--head { padding: 12px 0; font-size: 11px; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; color: var(--ogc-ink-3); }
.ogc-ladder__stage { font-family: var(--ogc-serif); font-size: 20px; font-weight: 560; display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap; }
.ogc-ladder__n { font-size: 14px; color: var(--ogc-ink-3); width: 18px; flex: none; }
.ogc-ladder__money { font-weight: 500; }
.ogc-ladder__proof { color: var(--ogc-ink-2); }
.ogc-ladder__bar { position: absolute; left: 0; bottom: -1px; height: 3px; width: var(--ogc-w); background: var(--ogc-navy-3); }
.ogc-ladder__row.is-done .ogc-ladder__bar { background: var(--ogc-navy); }
.ogc-ladder__row.is-now { background: linear-gradient(90deg, rgba(216, 31, 54, .06), transparent 70%); }
.ogc-ladder__row.is-now .ogc-ladder__bar { background: var(--ogc-red); }
.ogc-ladder__row.is-now .ogc-ladder__n { color: var(--ogc-red); }
@media (max-width: 760px) {
	.ogc-twocol { grid-template-columns: 1fr; }
	.ogc-ladder__row--head { display: none; }
	.ogc-ladder__row { grid-template-columns: 1fr; row-gap: 4px; }
	.ogc-ladder__money, .ogc-ladder__proof { padding-left: 30px; }
	.ogc-ladder__proof { font-size: 15px; }
}

.ogc-math { margin-top: clamp(48px, 6vw, 72px); background: var(--ogc-night); color: var(--ogc-cream); border-radius: 10px; padding: clamp(24px, 4vw, 48px); display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr); gap: clamp(24px, 4vw, 56px); }
.ogc-math h3 { color: var(--ogc-cream); font-size: clamp(24px, 2.6vw, 32px); }
.ogc-math__intro p { color: rgba(253, 250, 243, .78); margin-top: 14px; }
.ogc-math__sum { font-variant-numeric: lining-nums tabular-nums; }
.ogc-math__sum li { display: grid; grid-template-columns: 56px minmax(0, 1fr); align-items: baseline; padding: 12px 0; border-bottom: 1px solid rgba(253, 250, 243, .14); }
.ogc-math__op { grid-column: 1; font-family: var(--ogc-serif); font-size: 20px; color: rgba(253, 250, 243, .55); }
.ogc-math__fig { grid-column: 2; font-family: var(--ogc-serif); font-size: clamp(30px, 3.6vw, 46px); font-weight: 560; letter-spacing: -0.02em; line-height: 1.1; }
.ogc-math__lbl { grid-column: 2; font-size: 13px; letter-spacing: .06em; text-transform: uppercase; color: rgba(253, 250, 243, .6); }
.ogc-math__sum li.is-total { border-bottom: 0; border-top: 2px solid var(--ogc-cream); margin-top: -1px; }
.ogc-math__sum li.is-total .ogc-math__fig { color: #ffb3bd; }
.ogc-math__foot { grid-column: 1 / -1; font-size: 14px; color: rgba(253, 250, 243, .7); border-top: 1px solid rgba(253, 250, 243, .14); padding-top: 18px; }
@media (max-width: 860px) { .ogc-math { grid-template-columns: 1fr; } }

/* ---------- 04 Opportunity index ---------- */
.ogc-index { display: grid; grid-template-columns: 1fr 1fr; column-gap: 40px; border-top: 2px solid var(--ogc-ink); margin-bottom: 36px; }
.ogc-index__item { display: grid; grid-template-columns: 36px minmax(0, 1fr) auto; column-gap: 12px; padding: 18px 0; border-bottom: 1px solid var(--ogc-rule-2); text-decoration: none; color: var(--ogc-ink); align-items: baseline; }
.ogc-index__letter { font-family: var(--ogc-serif); font-weight: 600; color: var(--ogc-red); font-size: 20px; grid-row: 1 / span 2; }
.ogc-index__title { font-family: var(--ogc-serif); font-size: 20px; font-weight: 500; letter-spacing: -0.01em; }
.ogc-index__note { grid-column: 2; font-size: 14px; color: var(--ogc-ink-2); }
.ogc-index__count { grid-column: 3; grid-row: 1; font-size: 13px; color: var(--ogc-ink-3); font-variant-numeric: tabular-nums; }
.ogc-index__item:hover .ogc-index__title { color: var(--ogc-navy); text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: .2em; }
@media (max-width: 760px) { .ogc-index { grid-template-columns: 1fr; } }

/* ---------- 05 Offers ---------- */
.ogc-offers { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.ogc-offer { background: var(--ogc-card); border: 1px solid var(--ogc-rule); border-radius: 10px; padding: 24px 24px 26px; display: flex; flex-direction: column; transition: border-color .2s, transform .25s var(--ogc-ease), box-shadow .25s var(--ogc-ease); }
.ogc-offer:hover { border-color: var(--ogc-rule-2); transform: translateY(-2px); box-shadow: 0 18px 36px -28px rgba(15, 37, 87, .45); }
.ogc-offer__n { font-family: var(--ogc-serif); font-size: 14px; font-weight: 600; color: var(--ogc-red); font-variant-numeric: lining-nums; }
.ogc-offer__title { font-size: 21px; margin-top: 10px; letter-spacing: -0.01em; }
.ogc-offer__price { margin-top: 18px; padding-top: 14px; border-top: 1px solid var(--ogc-rule); display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 8px; }
.ogc-offer__fig { font-family: var(--ogc-serif); font-size: 32px; font-weight: 560; letter-spacing: -0.02em; color: var(--ogc-navy); font-variant-numeric: lining-nums; line-height: 1.1; }
.ogc-offer__unit { font-size: 13px; color: var(--ogc-ink-3); }
.ogc-offer__text { font-size: 15px; color: var(--ogc-ink-2); margin-top: 12px; }
.ogc-offer--more { background: transparent; border-style: dashed; border-color: var(--ogc-rule-2); }
.ogc-offer--more:hover { transform: none; box-shadow: none; }
.ogc-offer__list { margin-top: 14px; }
.ogc-offer__list li { padding: 8px 0; border-bottom: 1px solid var(--ogc-rule); font-size: 15px; }
.ogc-offer__list li:last-child { border-bottom: 0; }
@media (max-width: 960px) { .ogc-offers { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 620px) { .ogc-offers { grid-template-columns: 1fr; } }

.ogc-rule { margin: clamp(40px, 6vw, 64px) 0 0; padding: 0 0 0 clamp(20px, 3vw, 32px); border-left: 3px solid var(--ogc-red); }
.ogc-rule p { font-family: var(--ogc-serif); font-size: clamp(26px, 3.2vw, 40px); line-height: 1.15; letter-spacing: -0.02em; font-weight: 500; max-width: 22em; }
.ogc-rule footer { margin-top: 12px; color: var(--ogc-ink-2); max-width: 60ch; }

/* ---------- 06 Execution ---------- */
.ogc-exec { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 0; border-top: 2px solid var(--ogc-ink); }
.ogc-exec__col { padding: 22px 20px 4px 0; }
.ogc-exec__col + .ogc-exec__col { padding-left: 20px; border-left: 1px solid var(--ogc-rule-2); }
.ogc-exec__when { font-size: 12px; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; color: var(--ogc-red-dark); }
.ogc-exec__title { font-size: 21px; margin-top: 8px; margin-bottom: 14px; }
.ogc-exec__list li { position: relative; padding: 8px 0 8px 16px; font-size: 15px; color: var(--ogc-ink-2); border-top: 1px solid var(--ogc-rule); line-height: 1.45; }
.ogc-exec__list li::before { content: ''; position: absolute; left: 0; top: 16px; width: 6px; height: 6px; border-radius: 1px; transform: rotate(45deg); background: var(--ogc-navy); }
@media (max-width: 1100px) {
	.ogc-exec { grid-template-columns: repeat(3, minmax(0, 1fr)); row-gap: 28px; }
	.ogc-exec__col:nth-child(4) { padding-left: 0; border-left: 0; }
}
@media (max-width: 760px) {
	.ogc-exec { grid-template-columns: 1fr; row-gap: 8px; }
	.ogc-exec__col, .ogc-exec__col + .ogc-exec__col { padding: 18px 0 8px; border-left: 0; }
	.ogc-exec__col + .ogc-exec__col { border-top: 1px solid var(--ogc-rule-2); }
}

/* ---------- 07 Finance ---------- */
.ogc-alloc { margin: 0; background: var(--ogc-card); border: 1px solid var(--ogc-rule); border-radius: 10px; padding: clamp(20px, 3vw, 32px); }
.ogc-alloc__cap { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 6px 16px; align-items: baseline; margin-bottom: 18px; }
.ogc-alloc__cap strong { font-family: var(--ogc-serif); font-weight: 560; font-size: 21px; }
.ogc-alloc__cap span { font-size: 14px; color: var(--ogc-ink-3); }
.ogc-alloc__bar { display: flex; height: 64px; border-radius: 6px; overflow: hidden; gap: 2px; background: var(--ogc-paper); }
.ogc-alloc__seg { flex: 1 1 0; min-width: 0; display: flex; align-items: flex-end; padding: 8px 10px; color: var(--ogc-cream); font-variant-numeric: tabular-nums; }
.ogc-alloc__seg b { font-family: var(--ogc-serif); font-weight: 560; font-size: 18px; }
.ogc-alloc__seg--1 { background: var(--ogc-night); }
.ogc-alloc__seg--2 { background: var(--ogc-navy); }
.ogc-alloc__seg--3 { background: var(--ogc-navy-2); }
.ogc-alloc__seg--4 { background: var(--ogc-navy-3); color: var(--ogc-night); }
.ogc-alloc__seg--5 { background: var(--ogc-red); }
.ogc-alloc__legend { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 12px 20px; margin-top: 18px; }
.ogc-alloc__legend li { display: grid; grid-template-columns: 12px minmax(0, 1fr); column-gap: 10px; align-items: baseline; font-size: 14px; }
.ogc-alloc__sw { width: 12px; height: 12px; border-radius: 3px; padding: 0; align-self: start; margin-top: 5px; }
.ogc-alloc__lbl { color: var(--ogc-ink-2); }
.ogc-alloc__val { grid-column: 2; font-family: var(--ogc-serif); font-size: 20px; font-weight: 560; font-variant-numeric: lining-nums tabular-nums; }
@media (max-width: 860px) { .ogc-alloc__legend { grid-template-columns: repeat(2, minmax(0, 1fr)); } .ogc-alloc__seg b { font-size: 15px; } .ogc-alloc__seg { padding: 6px; } }
@media (max-width: 420px) { .ogc-alloc__seg b { display: none; } .ogc-alloc__bar { height: 40px; } }

.ogc-dash { margin-top: clamp(40px, 5vw, 64px); }
.ogc-dash__title { font-size: clamp(24px, 2.6vw, 32px); }
.ogc-dash__sub { color: var(--ogc-ink-2); margin-top: 6px; }
.ogc-dash__list { display: grid; grid-template-columns: 1fr 1fr; column-gap: 40px; margin-top: 24px; border-top: 2px solid var(--ogc-ink); }
.ogc-dash__list li { display: flex; gap: 16px; align-items: baseline; padding: 14px 0; border-bottom: 1px solid var(--ogc-rule); }
.ogc-dash__n { font-family: var(--ogc-serif); font-weight: 600; color: var(--ogc-red); font-size: 15px; width: 22px; flex: none; font-variant-numeric: lining-nums tabular-nums; }
.ogc-dash__list--compact { grid-template-columns: 1fr; margin-top: 12px; }
.ogc-dash__list--compact li { padding: 9px 0; font-size: 15px; }
@media (max-width: 760px) { .ogc-dash__list { grid-template-columns: 1fr; } }

/* ---------- 08 System stack ---------- */
.ogc-stack { max-width: 760px; margin: 0 auto; display: flex; flex-direction: column; gap: 28px; }
.ogc-stack__box { position: relative; background: var(--ogc-card); border: 1px solid var(--ogc-rule-2); border-radius: 10px; padding: 20px 24px; text-align: center; }
.ogc-stack__box strong { display: block; font-family: var(--ogc-serif); font-weight: 560; font-size: 23px; letter-spacing: -0.01em; }
.ogc-stack__box span { display: block; font-size: 14px; color: var(--ogc-ink-2); margin-top: 4px; }
.ogc-stack > *:not(:last-child)::after, .ogc-stack__pair > .ogc-stack__box::after { content: ''; position: absolute; left: 50%; bottom: -29px; width: 2px; height: 28px; background: var(--ogc-ink); transform: translateX(-1px); }
.ogc-stack__pair { position: relative; display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.ogc-stack__pair::after { display: none; }
.ogc-stack__box--ai { background: var(--ogc-night); border-color: var(--ogc-night); }
.ogc-stack__box--tech { background: var(--ogc-navy); border-color: var(--ogc-navy); }
.ogc-stack__box--ai strong, .ogc-stack__box--tech strong { color: var(--ogc-cream); }
.ogc-stack__box--ai span, .ogc-stack__box--tech span { color: rgba(253, 250, 243, .75); }
.ogc-stack__box--engine { border: 2px solid var(--ogc-red); padding: 26px 24px; }
.ogc-stack__box--engine strong { color: var(--ogc-red-dark); font-size: 26px; }
@media (max-width: 520px) { .ogc-stack__pair { grid-template-columns: 1fr; gap: 28px; } .ogc-stack__pair > .ogc-stack__box:first-child::after { display: block; } }

/* ---------- 09 Horizon ---------- */
.ogc-horizon { width: 100%; border-collapse: collapse; border-top: 2px solid var(--ogc-ink); }
.ogc-horizon thead th { text-align: left; font-size: 11px; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; color: var(--ogc-ink-3); padding: 12px 0; border-bottom: 1px solid var(--ogc-rule); font-family: var(--ogc-sans); }
.ogc-horizon tbody th { text-align: left; vertical-align: baseline; font-family: var(--ogc-serif); font-weight: 560; font-size: clamp(20px, 2.2vw, 28px); letter-spacing: -0.02em; white-space: nowrap; padding: 20px 32px 20px 0; width: 1%; color: var(--ogc-navy); font-variant-numeric: lining-nums tabular-nums; }
.ogc-horizon td { padding: 20px 0; font-size: 17px; color: var(--ogc-ink-2); vertical-align: baseline; }
.ogc-horizon tbody tr { border-bottom: 1px solid var(--ogc-rule); }
.ogc-horizon tbody tr:first-child th { color: var(--ogc-red); }
@media (max-width: 620px) {
	.ogc-horizon thead { display: none; }
	.ogc-horizon, .ogc-horizon tbody, .ogc-horizon tr, .ogc-horizon th, .ogc-horizon td { display: block; width: auto; }
	.ogc-horizon tbody th { padding: 18px 0 4px; }
	.ogc-horizon td { padding: 0 0 18px; }
}

/* ---------- Checklists ---------- */
.ogc-check { background: var(--ogc-card); border: 1px solid var(--ogc-rule); border-radius: 10px; padding: clamp(18px, 3vw, 32px); }
.ogc-check__bar { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: baseline; row-gap: 12px; column-gap: 16px; padding-bottom: 18px; }
.ogc-check__bar--sticky { position: sticky; top: 77px; z-index: 5; background: var(--ogc-card); margin: calc(-1 * clamp(18px, 3vw, 32px)) calc(-1 * clamp(18px, 3vw, 32px)) 8px; padding: clamp(18px, 3vw, 28px) clamp(18px, 3vw, 32px) 18px; border-bottom: 1px solid var(--ogc-rule); border-radius: 10px 10px 0 0; grid-template-columns: minmax(0, 1fr) auto auto; }
.admin-bar .ogc-check__bar--sticky { top: 109px; }
.ogc-check__title { font-family: var(--ogc-serif); font-size: 22px; font-weight: 560; letter-spacing: -0.01em; }
.ogc-check__count { font-family: var(--ogc-serif); font-size: 22px; font-weight: 560; font-variant-numeric: lining-nums tabular-nums; color: var(--ogc-ink-2); }
.ogc-check__count [data-ogc-done] { color: var(--ogc-red); }
.ogc-progress { grid-column: 1 / -1; height: 4px; background: var(--ogc-paper-2); border-radius: 4px; overflow: hidden; order: 9; }
.ogc-progress span { display: block; height: 100%; width: 0; background: var(--ogc-red); transition: width .4s var(--ogc-ease); }
.ogc-check__bar--sticky .ogc-check__tools { margin: 0; padding: 0; border: 0; grid-column: 3; grid-row: 1; }
.ogc-check__list { counter-reset: ogcc; }
.ogc-check__list li { border-bottom: 1px solid var(--ogc-rule); counter-increment: ogcc; }
.ogc-check__list li:last-child { border-bottom: 0; }
.ogc-tick { display: grid; grid-template-columns: 24px 26px minmax(0, 1fr); align-items: start; column-gap: 8px; padding: 14px 4px; cursor: pointer; border-radius: 4px; transition: background-color .15s; }
.ogc-tick::before { content: counter(ogcc, decimal-leading-zero); grid-column: 1; grid-row: 1; font-family: var(--ogc-serif); font-size: 14px; font-weight: 600; color: var(--ogc-ink-3); padding-top: 2px; font-variant-numeric: lining-nums tabular-nums; }
.ogc-tick:hover { background: var(--ogc-paper); }
.ogc-tick input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.ogc-tick__box { grid-column: 2; grid-row: 1; width: 22px; height: 22px; border: 1.5px solid var(--ogc-rule-2); border-radius: 5px; display: inline-flex; align-items: center; justify-content: center; color: transparent; background: #fff; transition: background-color .15s, border-color .15s, color .15s; margin-top: 1px; }
.ogc-tick__text { grid-column: 3; grid-row: 1; transition: color .15s; }
.ogc-tick input:focus-visible + .ogc-tick__box { outline: 2px solid var(--ogc-red); outline-offset: 2px; }
.ogc-tick input:checked + .ogc-tick__box { background: var(--ogc-navy); border-color: var(--ogc-navy); color: var(--ogc-cream); }
.ogc-tick input:checked ~ .ogc-tick__text { color: var(--ogc-ink-3); text-decoration: line-through; text-decoration-color: var(--ogc-rule-2); text-decoration-thickness: 1px; }
.ogc-check__tools { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; padding-top: 16px; border-top: 1px solid var(--ogc-rule); }
.ogc-check__list--cols { display: grid; grid-template-columns: 1fr 1fr; column-gap: 32px; padding: 0 0 12px; }
.ogc-check__list--cols li:nth-last-child(2):nth-child(odd) { border-bottom: 0; }
@media (max-width: 760px) {
	.ogc-check__list--cols { grid-template-columns: 1fr; }
	.ogc-check__list--cols li:nth-last-child(2):nth-child(odd) { border-bottom: 1px solid var(--ogc-rule); }
	.ogc-check__bar--sticky { grid-template-columns: minmax(0, 1fr) auto; }
	.ogc-check__bar--sticky .ogc-check__tools { grid-column: 1 / -1; grid-row: auto; order: 10; }
	.ogc-check__bar--sticky .ogc-btn span { font-size: 13px; }
	.ogc-check__bar--sticky { top: 77px; }
}
@media (max-width: 600px) { .admin-bar .ogc-check__bar--sticky { top: 77px; } }

.ogc-group { border-bottom: 1px solid var(--ogc-rule-2); }
.ogc-group:last-of-type { border-bottom: 0; }
.ogc-group__sum { display: grid; grid-template-columns: 36px minmax(0, 1fr) auto 28px; align-items: center; column-gap: 12px; padding: 18px 0; cursor: pointer; list-style: none; }
.ogc-group__sum::-webkit-details-marker { display: none; }
.ogc-group__letter { font-family: var(--ogc-serif); font-weight: 600; font-size: 22px; color: var(--ogc-red); }
.ogc-group__title { font-family: var(--ogc-serif); font-size: clamp(19px, 2vw, 23px); font-weight: 560; letter-spacing: -0.01em; }
.ogc-group__title small { display: block; font-family: var(--ogc-sans); font-size: 14px; font-weight: 400; letter-spacing: 0; color: var(--ogc-ink-2); margin-top: 2px; }
.ogc-group__count { font-size: 14px; color: var(--ogc-ink-3); font-variant-numeric: tabular-nums; white-space: nowrap; }
.ogc-group__count [data-ogc-group-done] { color: var(--ogc-ink); font-weight: 600; }
.ogc-group__chev { display: inline-flex; width: 28px; height: 28px; border: 1px solid var(--ogc-rule-2); border-radius: 50%; align-items: center; justify-content: center; color: var(--ogc-ink-2); transition: transform .25s var(--ogc-ease), background-color .2s; }
.ogc-group[open] .ogc-group__chev { transform: rotate(45deg); background: var(--ogc-ink); color: var(--ogc-cream); border-color: var(--ogc-ink); }
.ogc-group__sum:hover .ogc-group__title { color: var(--ogc-navy); }
.ogc-group.is-complete .ogc-group__letter::after { content: ' ✓'; font-size: 14px; color: var(--ogc-navy); }

.ogc-callout { margin-top: 40px; display: flex; flex-wrap: wrap; gap: 16px 24px; align-items: center; justify-content: space-between; padding: 24px 28px; border: 1px solid var(--ogc-rule-2); border-radius: 10px; background: var(--ogc-paper-2); }
.ogc-callout p { font-family: var(--ogc-serif); font-size: 20px; max-width: 34em; }

/* ---------- Page heads + generic pages ---------- */
.ogc-phead { padding: clamp(48px, 7vw, 96px) 0 clamp(28px, 4vw, 48px); }
.ogc-phead__title { font-size: clamp(38px, 5.6vw, 72px); font-weight: 600; letter-spacing: -0.035em; line-height: 1.02; max-width: 16em; }
.ogc-phead__lede { font-size: clamp(17px, 1.5vw, 20px); color: var(--ogc-ink-2); max-width: 60ch; margin-top: 20px; }
.ogc-split { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr); gap: clamp(28px, 4vw, 56px); align-items: start; }
.ogc-aside { position: sticky; top: 100px; padding: 4px 0; }
.ogc-aside__title { font-size: 26px; margin: 8px 0 12px; }
.ogc-aside__title--sm { font-size: 20px; margin-top: 36px; }
@media (max-width: 900px) { .ogc-split { grid-template-columns: 1fr; } .ogc-aside { position: static; } }

.ogc-contact { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; }
.ogc-contact__card { display: grid; grid-template-columns: 44px minmax(0, 1fr) auto; column-gap: 14px; align-items: center; padding: 20px; background: var(--ogc-card); border: 1px solid var(--ogc-rule-2); border-radius: 10px; text-decoration: none; color: var(--ogc-ink); transition: border-color .2s, transform .25s var(--ogc-ease); }
.ogc-contact__card:hover { border-color: var(--ogc-navy); color: var(--ogc-ink); transform: translateY(-2px); }
.ogc-contact__icon { grid-row: 1 / span 2; width: 44px; height: 44px; border-radius: 50%; background: var(--ogc-navy); color: var(--ogc-cream); display: inline-flex; align-items: center; justify-content: center; }
.ogc-contact__label { font-family: var(--ogc-serif); font-size: 20px; font-weight: 560; }
.ogc-contact__val { grid-column: 2; font-size: 14px; color: var(--ogc-ink-2); overflow-wrap: anywhere; }
.ogc-contact__go { grid-column: 3; grid-row: 1 / span 2; color: var(--ogc-ink-3); }

.ogc-prose { font-size: 18px; line-height: 1.7; }
.ogc-prose > * + * { margin-top: 1.1em; }
.ogc-prose h2 { font-size: clamp(26px, 3vw, 34px); margin-top: 1.8em; }
.ogc-prose h3 { font-size: 23px; margin-top: 1.6em; }
.ogc-prose ul, .ogc-prose ol { padding-left: 1.3em; list-style: revert; }
.ogc-prose li + li { margin-top: .4em; }
.ogc-prose blockquote { margin-left: 0; padding-left: 24px; border-left: 3px solid var(--ogc-red); font-family: var(--ogc-serif); font-size: 1.3em; line-height: 1.35; }
.ogc-prose img { border-radius: 8px; }
.ogc-prose table { width: 100%; border-collapse: collapse; font-size: 16px; }
.ogc-prose th, .ogc-prose td { text-align: left; padding: 10px 12px 10px 0; border-bottom: 1px solid var(--ogc-rule); }
.ogc-prose hr { border: 0; border-top: 1px solid var(--ogc-rule-2); margin: 2.4em 0; }
.ogc-prose--intro { max-width: calc(var(--ogc-read) + 2 * var(--ogc-gutter)); margin: 0 auto 24px 0; }
.ogc-page-body { padding-bottom: var(--ogc-sec-y); }
.ogc-article__media { margin-top: 0; margin-bottom: 40px; }
.ogc-article__media img { border-radius: 10px; display: block; }
.ogc-article__foot { padding-top: 48px; padding-bottom: var(--ogc-sec-y); }
.ogc-article__foot .nav-links { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; border-top: 1px solid var(--ogc-rule); padding-top: 24px; }
.ogc-article__foot .nav-links a { font-family: var(--ogc-serif); font-size: 19px; text-decoration: none; color: var(--ogc-ink); display: flex; flex-direction: column; gap: 4px; }
.ogc-article__foot .nav-next { text-align: right; }

.ogc-posts { border-top: 2px solid var(--ogc-ink); }
.ogc-post { padding: 28px 0; border-bottom: 1px solid var(--ogc-rule); display: grid; grid-template-columns: 180px minmax(0, 1fr); column-gap: 32px; }
.ogc-post .ogc-meta { grid-row: 1 / span 2; padding-top: 8px; }
.ogc-post__title { font-size: clamp(22px, 2.4vw, 30px); }
.ogc-post__title a { color: var(--ogc-ink); text-decoration: none; }
.ogc-post__title a:hover { color: var(--ogc-navy); text-decoration: underline; text-decoration-thickness: 1px; }
.ogc-post__excerpt { grid-column: 2; color: var(--ogc-ink-2); margin-top: 10px; max-width: 64ch; }
@media (max-width: 700px) { .ogc-post { grid-template-columns: 1fr; } .ogc-post .ogc-meta { grid-row: auto; padding: 0 0 6px; } .ogc-post__excerpt { grid-column: 1; } }
.ogc-empty { border-top: 2px solid var(--ogc-ink); padding-top: 28px; max-width: 60ch; }
.ogc-empty > * + * { margin-top: 12px; }
.ogc-empty__title { font-family: var(--ogc-serif); font-size: 26px; }
.navigation.pagination { margin-top: 36px; }
.nav-links { display: flex; flex-wrap: wrap; gap: 8px; }
.page-numbers { display: inline-flex; min-width: 40px; height: 40px; align-items: center; justify-content: center; padding: 0 12px; border: 1px solid var(--ogc-rule-2); border-radius: var(--ogc-radius); text-decoration: none; color: var(--ogc-ink); }
.page-numbers.current { background: var(--ogc-ink); color: var(--ogc-cream); border-color: var(--ogc-ink); }

.ogc-search { display: flex; gap: 8px; margin-bottom: 32px; max-width: 560px; }
.ogc-search input { flex: 1; min-width: 0; font: inherit; padding: 12px 14px; border: 1px solid var(--ogc-rule-2); border-radius: var(--ogc-radius); background: #fff; color: var(--ogc-ink); }
.ogc-search input:focus { outline: 2px solid var(--ogc-navy); outline-offset: 0; border-color: var(--ogc-navy); }

.ogc-comments { margin-top: 48px; }
.ogc-comments__title { font-size: 26px; margin-bottom: 16px; }
.ogc-comments__list { list-style: none; padding: 0; }
.ogc-comments .comment-body { padding: 18px 0; border-bottom: 1px solid var(--ogc-rule); }
.comment-form input:not([type=submit]):not([type=checkbox]), .comment-form textarea { width: 100%; font: inherit; padding: 10px 12px; border: 1px solid var(--ogc-rule-2); border-radius: var(--ogc-radius); background: #fff; }
.comment-form .submit { font: 500 15px var(--ogc-sans); background: var(--ogc-navy); color: var(--ogc-cream); border: 0; padding: 13px 20px; border-radius: var(--ogc-radius); cursor: pointer; }

/* WordPress core alignment helpers */
.alignwide { max-width: 1000px; }
.alignfull { width: 100vw; max-width: 100vw; margin-left: calc(50% - 50vw); }
.alignleft { float: left; margin: 0 1.5em 1em 0; }
.alignright { float: right; margin: 0 0 1em 1.5em; }
.aligncenter { margin-left: auto; margin-right: auto; display: block; }
.wp-caption-text, figcaption.wp-element-caption { font-size: 14px; color: var(--ogc-ink-3); margin-top: 8px; }

/* ---------- Closing band + footer ---------- */
.ogc-closing { background: var(--ogc-night); color: var(--ogc-cream); padding: clamp(56px, 8vw, 104px) 0; position: relative; overflow: hidden; }
.ogc-closing::before { content: ''; position: absolute; right: -120px; top: 50%; width: 420px; height: 420px; transform: translateY(-50%) rotate(45deg); border: 1px solid rgba(253, 250, 243, .08); box-shadow: inset 0 0 0 40px rgba(253, 250, 243, .02); pointer-events: none; }
.ogc-closing__grid { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); gap: clamp(32px, 5vw, 72px); align-items: end; position: relative; }
.ogc-closing__kicker { font-size: 12px; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: #ffb3bd; margin-bottom: 18px; }
.ogc-closing__title { color: var(--ogc-cream); font-size: clamp(32px, 4.6vw, 58px); line-height: 1.04; letter-spacing: -0.03em; max-width: 14em; }
.ogc-closing__text { color: rgba(253, 250, 243, .75); margin-top: 20px; max-width: 54ch; }
.ogc-closing__actions { display: flex; flex-direction: column; align-items: stretch; gap: 0; }
.ogc-closing__actions .ogc-btn { justify-content: space-between; padding: 17px 20px; font-size: 16px; margin-bottom: 12px; }
.ogc-closing__link { display: grid; grid-template-columns: 22px auto minmax(0, 1fr); column-gap: 12px; align-items: center; padding: 14px 2px; border-bottom: 1px solid rgba(253, 250, 243, .15); color: var(--ogc-cream); text-decoration: none; }
.ogc-closing__link:hover { color: #ffb3bd; }
.ogc-closing__val { text-align: right; color: rgba(253, 250, 243, .6); font-size: 14px; overflow-wrap: anywhere; }
@media (max-width: 860px) { .ogc-closing__grid { grid-template-columns: 1fr; } }

.ogc-footer { padding: clamp(48px, 6vw, 72px) 0 32px; background: var(--ogc-paper); font-size: 15px; }
.ogc-footer__grid { display: grid; grid-template-columns: minmax(0, 1.4fr) repeat(3, minmax(0, 1fr)); gap: 32px; padding-bottom: 40px; }
.ogc-footer__about p { color: var(--ogc-ink-2); margin-top: 18px; max-width: 36ch; }
.ogc-footer__h { font-family: var(--ogc-sans); font-size: 12px; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: var(--ogc-ink-3); margin-bottom: 14px; }
.ogc-footer__list { list-style: none; margin: 0; padding: 0; }
.ogc-footer__list li { padding: 7px 0; border-top: 1px solid var(--ogc-rule); display: flex; flex-direction: column; }
.ogc-footer__list a { color: var(--ogc-ink); text-decoration: none; font-weight: 500; }
.ogc-footer__list a:hover { color: var(--ogc-red-dark); text-decoration: underline; }
.ogc-footer__list span { font-size: 13px; color: var(--ogc-ink-3); }
.ogc-footer__base { border-top: 2px solid var(--ogc-ink); padding-top: 18px; margin: 0; display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 12px 40px; }
.ogc-footer__copy { font-weight: 500; white-space: nowrap; }
.ogc-footer__note { font-size: 13px; line-height: 1.55; color: var(--ogc-ink-3); max-width: 100ch; }
@media (max-width: 960px) { .ogc-footer__grid { grid-template-columns: 1fr 1fr; } .ogc-footer__about { grid-column: 1 / -1; } }
@media (max-width: 560px) { .ogc-footer__grid { grid-template-columns: 1fr; } .ogc-footer__base { grid-template-columns: 1fr; } }

/* ---------- Print: the plan prints like a report ---------- */
@media print {
	.ogc-header, .ogc-closing, .ogc-hero__actions, .ogc-check__tools, .ogc-menu { display: none !important; }
	body { background: #fff; font-size: 11pt; }
	.ogc-sec, .ogc-sec--sand { background: #fff; padding: 24pt 0; break-inside: avoid-page; }
	.ogc-principle, .ogc-math { background: #fff; color: var(--ogc-ink); border: 1px solid var(--ogc-ink); }
	.ogc-principle *, .ogc-math * { color: var(--ogc-ink) !important; }
	details.ogc-group > *:not(summary) { display: block; }
}