/*
Theme Name: Corso Publishing — Oxblood Folio
Author: Corso Publishing
Description: A self-contained one-page academic publisher theme with the Oxblood Folio editorial design.
Version: 1.0.0
Requires at least: 6.0
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: corso-publishing
*/

:root {
	--cp-paper: #f2ebdd;
	--cp-paper-light: #faf6ed;
	--cp-ink: #171512;
	--cp-oxblood: #7a1f2b;
	--cp-oxblood-dark: #56131c;
	--cp-parchment: #d7c6a7;
	--cp-warm-gray: #9b9081;
	--cp-rule: rgba(23, 21, 18, 0.18);
	--cp-serif: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, serif;
	--cp-display: Didot, "Bodoni 72", "Bodoni MT", "Iowan Old Style", Georgia, serif;
	--cp-sans: Inter, "Helvetica Neue", Helvetica, Arial, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { margin: 0; scroll-behavior: smooth; }
body.corso-publishing-theme {
	margin: 0;
	background: var(--cp-paper);
	color: var(--cp-ink);
	font-family: var(--cp-serif);
	-webkit-font-smoothing: antialiased;
}
body.corso-publishing-theme a { color: inherit; text-decoration: none; }
body.corso-publishing-theme img { display: block; max-width: 100%; }
body.corso-publishing-theme ::selection { background: var(--cp-oxblood); color: var(--cp-paper-light); }

.cp-skip-link {
	position: fixed;
	top: 10px;
	left: 10px;
	z-index: 99999;
	padding: 12px 18px;
	background: var(--cp-ink);
	color: var(--cp-paper-light) !important;
	font: 600 13px/1 var(--cp-sans);
	transform: translateY(-160%);
}
.cp-skip-link:focus { transform: translateY(0); }

.cp-site-header {
	min-height: 112px;
	padding: 18px clamp(28px, 4.8vw, 78px);
	display: grid;
	grid-template-columns: 260px 1fr auto;
	align-items: center;
	gap: 40px;
	border-bottom: 1px solid var(--cp-rule);
	background: var(--cp-paper);
	position: relative;
	z-index: 10;
}
.cp-brand { display: inline-flex; flex-direction: column; width: 194px; }
.cp-brand img { width: 194px; height: 52px; object-fit: contain; object-position: left center; }
.cp-brand span { margin-top: 3px; font: 500 9px/1 var(--cp-sans); letter-spacing: 0.23em; text-transform: uppercase; }
.cp-primary-nav { display: flex; justify-content: center; gap: clamp(26px, 4vw, 62px); }
.cp-primary-nav a,
.cp-header-contact { position: relative; font: 500 14px/1 var(--cp-sans); letter-spacing: 0.015em; }
.cp-primary-nav a::after {
	content: "";
	position: absolute;
	left: 0;
	right: 100%;
	bottom: -9px;
	height: 1px;
	background: var(--cp-oxblood);
	transition: right 180ms ease;
}
.cp-primary-nav a:hover::after { right: 0; }
.cp-header-contact { display: flex; gap: 18px; align-items: center; }
.cp-header-contact span { color: var(--cp-oxblood); font-size: 19px; transition: transform 180ms ease; }
.cp-header-contact:hover span { transform: translateX(4px); }

.cp-page { width: 100%; overflow: hidden; background: var(--cp-paper); }
.cp-hero { min-height: 748px; display: grid; grid-template-columns: 57% 43%; border-bottom: 1px solid var(--cp-rule); }
.cp-hero-copy { padding: clamp(82px, 9vw, 144px) clamp(34px, 6.1vw, 98px) 34px; display: flex; flex-direction: column; }
.cp-eyebrow { margin: 0; color: var(--cp-oxblood); font: 600 11px/1.2 var(--cp-sans); letter-spacing: 0.28em; text-transform: uppercase; }
.cp-hero h1 {
	max-width: 760px;
	margin: 34px 0;
	font-family: var(--cp-display);
	font-size: clamp(68px, 7.2vw, 116px);
	font-weight: 400;
	line-height: 0.9;
	letter-spacing: -0.045em;
}
.cp-hero-intro { max-width: 510px; margin: 0; font-size: clamp(20px, 1.8vw, 29px); line-height: 1.45; }
.cp-hero-actions { margin-top: 46px; display: flex; align-items: center; gap: 52px; }
.cp-button {
	min-height: 58px;
	padding: 0 30px;
	display: inline-flex;
	align-items: center;
	justify-content: space-between;
	gap: 54px;
	font: 500 14px/1 var(--cp-sans);
	transition: background 180ms ease, color 180ms ease, border-color 180ms ease;
}
.cp-button span, .cp-text-link span { font-size: 21px; transition: transform 180ms ease; }
.cp-button:hover span, .cp-text-link:hover span { transform: translateX(4px); }
.cp-button-primary { min-width: 272px; color: var(--cp-paper-light) !important; background: var(--cp-oxblood); }
.cp-button-primary:hover { background: var(--cp-ink); }
.cp-text-link { min-height: 44px; display: inline-flex; align-items: center; gap: 25px; border-bottom: 1px solid var(--cp-ink); font: 500 14px/1 var(--cp-sans); }
.cp-hero-footnote { margin-top: auto; padding-top: 70px; display: flex; align-items: center; gap: 28px; }
.cp-hero-footnote span { font: 600 10px/1 var(--cp-sans); letter-spacing: 0.24em; text-transform: uppercase; color: var(--cp-oxblood); }
.cp-hero-footnote i { height: 1px; background: var(--cp-rule); flex: 1; }
.cp-hero-art { overflow: hidden; position: relative; background: var(--cp-oxblood); }
.cp-hero-art img { width: 100%; height: 100%; object-fit: cover; object-position: center; }
.cp-hero-rule { position: absolute; z-index: 2; inset: 0 auto 0 0; width: 15%; background: rgba(122, 31, 43, 0.88); mix-blend-mode: multiply; }

.cp-section { padding: 120px clamp(28px, 6.2vw, 100px); }
.cp-section-heading { display: grid; grid-template-columns: 1.35fr 0.65fr; gap: 8vw; align-items: end; padding-bottom: 66px; border-bottom: 1px solid var(--cp-rule); }
.cp-section-heading h2,
.cp-approach h2,
.cp-contact h2 {
	max-width: 780px;
	margin: 24px 0 0;
	font-family: var(--cp-display);
	font-size: clamp(48px, 5.6vw, 86px);
	font-weight: 400;
	line-height: 0.98;
	letter-spacing: -0.035em;
}
.cp-section-heading > p { max-width: 470px; margin: 0; font-size: 19px; line-height: 1.65; }

.cp-book-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(26px, 4vw, 62px); padding-top: 70px; }
.cp-book-card { display: grid; grid-template-columns: minmax(130px, 0.78fr) 1fr; gap: clamp(20px, 2.6vw, 40px); align-items: start; }
.cp-book-cover {
	aspect-ratio: 0.69;
	min-height: 330px;
	padding: 24px 20px;
	display: flex;
	flex-direction: column;
	box-shadow: 0 18px 35px rgba(23, 21, 18, 0.16);
	transition: transform 260ms ease, box-shadow 260ms ease;
}
.cp-book-card:hover .cp-book-cover { transform: translateY(-8px); box-shadow: 0 25px 42px rgba(23, 21, 18, 0.21); }
.cp-book-cover > span { font: 500 8px/1 var(--cp-sans); letter-spacing: 0.23em; text-transform: uppercase; }
.cp-book-cover p { margin: auto 0; font-family: var(--cp-display); font-size: clamp(25px, 2.1vw, 38px); line-height: 0.96; letter-spacing: -0.025em; }
.cp-book-cover small { font: 500 9px/1.3 var(--cp-sans); letter-spacing: 0.13em; text-transform: uppercase; }
.cp-book-cover b { margin-top: 28px; font: 500 9px/1 var(--cp-sans); }
.cp-book-cover-oxblood { background: var(--cp-oxblood); color: var(--cp-paper-light); }
.cp-book-cover-ink { background: var(--cp-ink); color: var(--cp-paper-light); }
.cp-book-cover-parchment { background: var(--cp-parchment); color: var(--cp-ink); border: 1px solid rgba(23, 21, 18, 0.25); }
.cp-book-field { margin: 1px 0 21px; color: var(--cp-oxblood); font: 600 9px/1.2 var(--cp-sans); letter-spacing: 0.2em; text-transform: uppercase; }
.cp-book-meta h3 { margin: 0; font-family: var(--cp-display); font-size: clamp(29px, 2.2vw, 40px); font-weight: 400; line-height: 1; letter-spacing: -0.025em; }
.cp-book-meta > span { display: block; margin-top: 13px; font-style: italic; }
.cp-book-description { margin: 30px 0; font-size: 15px; line-height: 1.6; color: #4a453e; }
.cp-book-meta a { display: inline-flex; align-items: center; gap: 18px; padding-bottom: 7px; border-bottom: 1px solid var(--cp-ink); font: 500 11px/1 var(--cp-sans); }
.cp-book-meta a span { font-size: 16px; }

.cp-disciplines { padding: 118px clamp(28px, 6.2vw, 100px); display: grid; grid-template-columns: 0.85fr 1.15fr; gap: 9vw; background: var(--cp-ink); color: var(--cp-paper-light); }
.cp-eyebrow-light { color: var(--cp-parchment); }
.cp-discipline-intro h2,
.cp-authors-heading h2 { margin: 26px 0 30px; font-family: var(--cp-display); font-size: clamp(52px, 6.2vw, 96px); font-weight: 400; line-height: 0.94; letter-spacing: -0.04em; }
.cp-discipline-intro > p:last-child { max-width: 550px; font-size: 19px; line-height: 1.6; color: #c9c0b2; }
.cp-discipline-list { border-top: 1px solid rgba(242, 235, 221, 0.3); }
.cp-discipline-list article { padding: 36px 0; display: grid; grid-template-columns: 50px 1fr; gap: 22px; border-bottom: 1px solid rgba(242, 235, 221, 0.3); }
.cp-discipline-list span { color: var(--cp-parchment); font: 500 10px/1.3 var(--cp-sans); }
.cp-discipline-list h3 { margin: 0 0 13px; font-family: var(--cp-display); font-size: clamp(27px, 2.5vw, 40px); font-weight: 400; line-height: 1; }
.cp-discipline-list p { grid-column: 2; margin: 0; max-width: 600px; color: #c9c0b2; font-size: 15px; line-height: 1.55; }

.cp-approach { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: 10vw; align-items: center; }
.cp-approach-mark { aspect-ratio: 1; max-width: 480px; width: 100%; display: grid; place-items: center; border: 1px solid var(--cp-rule); position: relative; }
.cp-approach-mark::before, .cp-approach-mark::after { content: ""; position: absolute; background: var(--cp-rule); }
.cp-approach-mark::before { width: 1px; inset: 0 auto 0 50%; }
.cp-approach-mark::after { height: 1px; inset: 50% 0 auto 0; }
.cp-approach-mark span { z-index: 1; width: 52%; aspect-ratio: 1; display: grid; place-items: center; border: 1px solid var(--cp-oxblood); border-radius: 50%; background: var(--cp-paper); color: var(--cp-oxblood); font: 400 clamp(110px, 13vw, 190px)/1 var(--cp-display); }
.cp-approach-copy .cp-lead { max-width: 750px; margin: 42px 0 24px; font-size: clamp(22px, 2vw, 30px); line-height: 1.45; }
.cp-approach-copy > p:not(.cp-eyebrow):not(.cp-lead) { max-width: 720px; font-size: 17px; line-height: 1.7; color: #4a453e; }
.cp-principles { margin-top: 54px; display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--cp-rule); }
.cp-principles div { padding: 22px 20px 0 0; display: flex; flex-direction: column; gap: 20px; }
.cp-principles b { color: var(--cp-oxblood); font: 500 10px/1 var(--cp-sans); }
.cp-principles span { font-size: 17px; }

.cp-authors { padding: 120px clamp(28px, 6.2vw, 100px); display: grid; grid-template-columns: 1fr 1fr; gap: 9vw; color: var(--cp-paper-light); background: var(--cp-oxblood); }
.cp-proposal-card { padding: 54px; background: var(--cp-paper-light); color: var(--cp-ink); }
.cp-proposal-card > p { margin: 0 0 39px; font-size: 20px; line-height: 1.55; }
.cp-proposal-card h3 { margin: 0 0 12px; color: var(--cp-oxblood); font: 600 10px/1 var(--cp-sans); letter-spacing: 0.22em; text-transform: uppercase; }
.cp-proposal-card ol { margin: 0; padding: 0; list-style: none; }
.cp-proposal-card li { padding: 18px 0; display: grid; grid-template-columns: 48px 1fr; border-bottom: 1px solid var(--cp-rule); font-size: 16px; }
.cp-proposal-card li span { color: var(--cp-oxblood); font: 500 9px/1.5 var(--cp-sans); }
.cp-button-paper { width: 100%; margin-top: 36px; color: var(--cp-paper-light) !important; background: var(--cp-ink); }
.cp-button-paper:hover { background: var(--cp-oxblood); }

.cp-contact { display: grid; grid-template-columns: 1fr 1fr; gap: 8vw; }
.cp-contact-grid { border-top: 1px solid var(--cp-rule); }
.cp-contact-grid > div { padding: 30px 0; border-bottom: 1px solid var(--cp-rule); }
.cp-contact-grid h3 { margin: 0 0 13px; color: var(--cp-oxblood); font: 600 9px/1 var(--cp-sans); letter-spacing: 0.2em; text-transform: uppercase; }
.cp-contact-grid a { font-size: clamp(18px, 1.7vw, 25px); overflow-wrap: anywhere; }

.cp-footer { padding: 72px clamp(28px, 6.2vw, 100px) 34px; display: grid; grid-template-columns: 1.1fr 0.8fr 0.6fr; gap: 60px; color: var(--cp-paper-light); background: var(--cp-ink); }
.cp-footer-brand img { width: 230px; filter: invert(94%) sepia(13%) saturate(450%) hue-rotate(340deg) brightness(104%); }
.cp-footer-brand p { margin: 22px 0 0; color: #c9c0b2; font-style: italic; }
.cp-footer address { color: #c9c0b2; font-style: normal; font-size: 15px; line-height: 1.7; }
.cp-footer-links { display: flex; flex-direction: column; gap: 15px; font: 500 12px/1.3 var(--cp-sans); }
.cp-legal { grid-column: 1 / -1; margin: 42px 0 0; padding-top: 24px; border-top: 1px solid rgba(242, 235, 221, 0.2); color: #8e877d; font: 400 9px/1.5 var(--cp-sans); letter-spacing: 0.08em; text-transform: uppercase; }

.cp-content-shell { max-width: 900px; min-height: 55vh; margin: 0 auto; padding: 100px 30px; }
.cp-entry h1 { margin: 0 0 40px; font: 400 clamp(48px, 7vw, 90px)/0.95 var(--cp-display); letter-spacing: -0.04em; }
.cp-entry-content { font-size: 18px; line-height: 1.75; }
.cp-entry-content a { color: var(--cp-oxblood); text-decoration: underline; }

body.corso-publishing-theme a:focus-visible { outline: 2px solid var(--cp-oxblood); outline-offset: 5px; }
.cp-authors a:focus-visible, .cp-footer a:focus-visible { outline-color: var(--cp-paper-light); }

@media (max-width: 1050px) {
	.cp-site-header { grid-template-columns: 220px 1fr; }
	.cp-header-contact { display: none; }
	.cp-hero { grid-template-columns: 1fr 0.72fr; min-height: 680px; }
	.cp-hero-copy { padding-right: 44px; }
	.cp-book-grid { grid-template-columns: 1fr; gap: 74px; }
	.cp-book-card { grid-template-columns: 220px 1fr; max-width: 740px; }
	.cp-disciplines, .cp-authors { gap: 6vw; }
}

@media (max-width: 760px) {
	.cp-site-header { min-height: 104px; padding: 22px 24px 18px; grid-template-columns: 1fr; gap: 19px; }
	.cp-brand { width: 164px; }
	.cp-brand img { width: 164px; height: 43px; }
	.cp-primary-nav { justify-content: flex-start; gap: 22px; overflow-x: auto; padding-bottom: 4px; }
	.cp-primary-nav a { flex: 0 0 auto; font-size: 12px; }
	.cp-hero { grid-template-columns: 1fr; }
	.cp-hero-copy { min-height: 650px; padding: 80px 25px 30px; }
	.cp-hero h1 { font-size: clamp(62px, 20vw, 91px); }
	.cp-hero-actions { align-items: stretch; flex-direction: column; gap: 22px; }
	.cp-button-primary { width: 100%; }
	.cp-text-link { align-self: flex-start; }
	.cp-hero-footnote { padding-top: 80px; }
	.cp-hero-art { min-height: 520px; }
	.cp-section, .cp-disciplines, .cp-authors { padding: 88px 25px; }
	.cp-section-heading, .cp-disciplines, .cp-approach, .cp-authors, .cp-contact { grid-template-columns: 1fr; }
	.cp-section-heading { gap: 36px; }
	.cp-book-card { grid-template-columns: 0.82fr 1fr; gap: 25px; }
	.cp-book-cover { min-height: 305px; }
	.cp-approach-mark { max-width: 330px; }
	.cp-approach { gap: 70px; }
	.cp-principles { grid-template-columns: 1fr; }
	.cp-principles div { padding-bottom: 18px; border-bottom: 1px solid var(--cp-rule); }
	.cp-authors { gap: 50px; }
	.cp-proposal-card { padding: 35px 25px; }
	.cp-contact { gap: 60px; }
	.cp-footer { grid-template-columns: 1fr; gap: 36px; }
}

@media (max-width: 460px) {
	.cp-primary-nav { gap: 16px; }
	.cp-hero-copy { min-height: 620px; }
	.cp-hero h1 { font-size: 64px; }
	.cp-book-card { grid-template-columns: 1fr; }
	.cp-book-cover { max-width: 260px; min-height: 377px; }
	.cp-hero-art { min-height: 430px; }
}

@media (prefers-reduced-motion: reduce) {
	html { scroll-behavior: auto; }
	*, *::before, *::after { transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; }
}