/*
Theme Name: Open Pathology
Theme URI: https://open-pathology.org/
Author: Open Pathology Education Network
Description: Custom theme for the Open Pathology Education Network website (open-pathology.org). Includes a "Course" post type, a team/mentors section, a contact form and PayPal donate buttons.
Version: 1.0.0
Requires at least: 6.0
Requires PHP: 7.4
License: GNU General Public License v2 or later
Text Domain: open-pathology
*/

/* ==========================================================================
   Design tokens - edit these to match the original colours / fonts exactly
   ========================================================================== */
:root {
	--op-primary: #903155;
	--op-primary-dark: #6e2441;
	--op-accent: #903155;
	--op-accent-dark: #6e2441;
	--op-text: #2b2f36;
	--op-muted: #6b7280;
	--op-bg: #ffffff;
	--op-bg-soft: #faf3f6;
	--op-border: #ecdfe5;
	--op-font: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
	--op-container: 1200px;
	--op-radius: 10px;
}

/* ==========================================================================
   Base
   ========================================================================== */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
	margin: 0;
	font-family: var(--op-font);
	font-size: 16px;
	line-height: 1.7;
	color: var(--op-text);
	background: var(--op-bg);
	-webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--op-primary); text-decoration: none; transition: color .2s; }
a:hover { color: var(--op-primary-dark); }
h1, h2, h3, h4 { margin: 0 0 .5em; line-height: 1.25; color: var(--op-primary); font-weight: 700; }
h1 { font-size: clamp(2rem, 4vw, 2.8rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); }
h3 { font-size: 1.2rem; }
p { margin: 0 0 1em; }
ul { padding-left: 1.2em; }

.container { width: 100%; max-width: var(--op-container); margin: 0 auto; padding: 0 20px; }
.section { padding: 70px 0; }
.section--soft { background: var(--op-bg-soft); }
.section-title { text-align: center; text-transform: uppercase; letter-spacing: .04em; margin-bottom: 40px; }
.screen-reader-text, .skip-link:not(:focus) {
	position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(1px,1px,1px,1px); white-space: nowrap;
}
.skip-link:focus { position: fixed; top: 10px; left: 10px; z-index: 9999; background: #fff; padding: 10px 16px; }

/* Buttons */
.btn {
	display: inline-block;
	padding: 12px 30px;
	border-radius: 50px;
	font-weight: 600;
	font-size: .95rem;
	letter-spacing: .03em;
	border: 2px solid transparent;
	cursor: pointer;
	transition: all .2s;
	font-family: inherit;
	line-height: 1.3;
}
.btn-primary { background: var(--op-primary); color: #fff; }
.btn-primary:hover { background: var(--op-primary-dark); color: #fff; }
.btn-donate { background: var(--op-accent); color: #fff; padding: 10px 26px; }
.btn-donate:hover { background: var(--op-accent-dark); color: #fff; }
.btn-light { background: #fff; color: var(--op-primary); }
.btn-light:hover { background: var(--op-accent); color: #fff; }

/* ==========================================================================
   Top bar + header
   ========================================================================== */
.topbar { background: var(--op-primary); color: #fff; font-size: .85rem; }
.topbar .container { display: flex; justify-content: flex-end; padding-top: 6px; padding-bottom: 6px; }
.topbar a { color: #fff; }
.topbar a:hover { color: #ffd6e5; }

.site-header { background: #fff; border-bottom: 1px solid var(--op-border); position: sticky; top: 0; z-index: 100; }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; min-height: 84px; }
.site-logo, .custom-logo-link { display: inline-block; line-height: 0; flex-shrink: 0; }
.site-logo img, .custom-logo-link img, img.custom-logo { height: 64px !important; max-height: 64px; width: auto !important; max-width: 100%; }
.main-nav { display: flex; align-items: center; gap: 28px; }
.main-nav ul { list-style: none; margin: 0; padding: 0; display: flex; align-items: center; gap: 26px; }
.main-nav li { position: relative; }
.main-nav li > a { display: block; padding: 8px 0; font-weight: 500; color: var(--op-text); }
.main-nav li > a:hover,
.main-nav li.current-menu-item > a,
.main-nav li.current-menu-ancestor > a,
.main-nav li.current_page_item > a { color: var(--op-accent); }
.main-nav li.menu-item-has-children > a::after { content: ''; display: inline-block; margin-left: 7px; width: 6px; height: 6px; border-right: 2px solid currentColor; border-bottom: 2px solid currentColor; transform: rotate(45deg) translateY(-3px); }
.main-nav .sub-menu {
	position: absolute; top: 100%; left: -14px; min-width: 190px; padding: 8px 0;
	background: #fff; border: 1px solid var(--op-border); border-radius: 8px;
	box-shadow: 0 12px 30px rgba(144,49,85,.12);
	display: block; opacity: 0; visibility: hidden; transform: translateY(8px); transition: all .2s;
}
.main-nav li:hover > .sub-menu,
.main-nav li:focus-within > .sub-menu,
.main-nav li.is-open > .sub-menu { opacity: 1; visibility: visible; transform: none; }
.main-nav .sub-menu li > a { padding: 8px 20px; white-space: nowrap; }

.nav-toggle { display: none; background: none; border: 0; padding: 8px; cursor: pointer; }
.nav-toggle span { display: block; width: 26px; height: 3px; background: var(--op-primary); margin: 5px 0; border-radius: 2px; transition: all .25s; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* ==========================================================================
   Page hero (inner pages)
   ========================================================================== */
.page-hero { position: relative; background: linear-gradient(135deg, var(--op-primary) 0%, #b0496f 100%) center / cover no-repeat; color: #fff; text-align: center; padding: 90px 0; }
.page-hero::before { content: ''; position: absolute; inset: 0; background: rgba(110, 36, 65, .6); }
.page-hero .container { position: relative; }
.page-hero h1 { color: #fff; margin-bottom: .2em; }
.page-hero p { margin: 0; font-size: 1.1rem; opacity: .9; }

/* ==========================================================================
   Home hero
   ========================================================================== */
.home-hero {
	position: relative;
	display: flex;
	align-items: center;
	min-height: 590px;
	padding: 50px 0;
	background: linear-gradient(135deg, #fbf1f5 0%, #f1dbe5 100%) right center / cover no-repeat;
	font-family: Arial, Helvetica, sans-serif;
}
.home-hero .container { position: relative; }
.home-hero__box {
	width: 600px;
	max-width: 100%;
	padding: 50px;
	background: rgba(144, 49, 85, .75);
	color: #fff;
}
.home-hero__box h1 {
	color: #fff;
	text-transform: uppercase;
	font-size: 32px;
	line-height: 1.5;
	font-weight: 700;
	margin: 0 0 24px;
}
.home-hero__box p { color: #fff; font-size: 17px; line-height: 1.6; margin: 0 0 20px; }
.home-hero__btn {
	display: inline-block;
	margin-top: 4px;
	padding: 14px 24px;
	background: #fff;
	color: var(--op-primary);
	border: 2px solid var(--op-primary);
	border-radius: 8px;
	font-weight: 600;
	font-size: 16px;
	text-transform: uppercase;
	line-height: 1.2;
	transition: all .2s;
}
.home-hero__btn:hover { background: var(--op-primary); color: #fff; border-color: #fff; }

/* ==========================================================================
   Courses
   ========================================================================== */
.course-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.course-card {
	display: flex; flex-direction: column; height: 100%;
	background: #fff; border: 1px solid var(--op-border); border-radius: var(--op-radius); overflow: hidden;
	color: var(--op-text); transition: transform .2s, box-shadow .2s;
}
.course-card:hover { transform: translateY(-4px); box-shadow: 0 14px 32px rgba(144,49,85,.14); color: var(--op-text); }
.course-card__image { aspect-ratio: 16 / 10; background: var(--op-bg-soft); overflow: hidden; }
.course-card__image img { width: 100%; height: 100%; object-fit: cover; }
.course-card__body { padding: 18px 20px 22px; }
.course-card__title { font-size: 1.1rem; margin-bottom: .6em; }
.course-card__meta { display: flex; flex-wrap: wrap; gap: 8px 14px; font-size: .85rem; color: var(--op-muted); text-transform: uppercase; letter-spacing: .04em; }
.course-card__meta span + span::before { content: '|'; margin-right: 14px; color: var(--op-border); }
.course-single { max-width: 820px; margin: 0 auto; }
.course-single__image { border-radius: var(--op-radius); overflow: hidden; margin-bottom: 24px; }

/* ==========================================================================
   Team + mentors (home)
   ========================================================================== */
.slider { position: relative; --per-view: 5; --gap: 24px; padding: 0 28px; }
.slider__track { display: flex; gap: var(--gap); overflow-x: auto; scroll-snap-type: x mandatory; scroll-behavior: smooth; scrollbar-width: none; padding: 6px 2px 14px; }
.slider__track::-webkit-scrollbar { display: none; }
.slider__track > * { flex: 0 0 calc((100% - var(--gap) * (var(--per-view) - 1)) / var(--per-view)); scroll-snap-align: start; }
.slider__btn { position: absolute; top: 50%; transform: translateY(-50%); width: 44px; height: 44px; border-radius: 50%; border: 0; background: var(--op-primary); color: #fff; cursor: pointer; box-shadow: 0 6px 16px rgba(144,49,85,.3); z-index: 2; display: flex; align-items: center; justify-content: center; transition: background .2s, opacity .2s; padding: 0; }
.slider__btn:hover { background: var(--op-primary-dark); }
.slider__btn[disabled] { opacity: .35; cursor: default; }
.slider__btn svg { width: 20px; height: 20px; }
.slider__btn--prev { left: -14px; }
.slider__btn--next { right: -14px; }
.slider--mentors { --per-view: 5; }
.team-card { text-align: center; color: var(--op-text); display: block; }
.team-card:hover { color: var(--op-primary); }
.team-card__photo { width: 140px; height: 140px; margin: 0 auto 14px; border-radius: 50%; overflow: hidden; background: var(--op-bg-soft); border: 3px solid #fff; box-shadow: 0 6px 18px rgba(144,49,85,.15); }
.team-card__photo img { width: 100%; height: 100%; object-fit: cover; }
.team-card__name { font-weight: 600; line-height: 1.35; margin: 0; font-size: .98rem; }
.team-card__role { color: var(--op-muted); font-size: .88rem; margin: 2px 0 0; }


.mentor-card { text-align: center; display: block; color: var(--op-text); }
.mentor-card__photo { width: 140px; height: 140px; margin: 0 auto 14px; border-radius: 50%; overflow: hidden; background: var(--op-bg-soft); border: 3px solid #fff; box-shadow: 0 6px 18px rgba(144,49,85,.15); }
.mentor-card__photo img { width: 100%; height: 100%; object-fit: cover; }
.mentor-card__name { font-weight: 600; margin: 0 0 4px; color: var(--op-primary); }
.mentor-card__affil { font-size: 12px; color: var(--op-muted); margin: 0; line-height: 1.5; }

/* ==========================================================================
   Donate band
   ========================================================================== */
.donate-band { position: relative; background: var(--op-primary) center / cover no-repeat; color: #fff; text-align: center; padding: 100px 0; }
.donate-band::before { content: ''; position: absolute; inset: 0; background: rgba(110, 36, 65, .65); }
.donate-band .container { position: relative; max-width: 820px; }
.donate-band h2 { color: #fff; margin-bottom: .6em; }
.donate-band p { opacity: .95; margin-bottom: 1.6em; }

/* ==========================================================================
   Partners
   ========================================================================== */
.slider--partners { --per-view: 4; --gap: 32px; }
.slider--partners .slider__track { align-items: center; }
.slider--partners .slider__track > img { width: 100%; height: 110px; object-fit: contain; padding: 0 10px; }

/* ==========================================================================
   Contact CTA (home) + contact form
   ========================================================================== */
.cta-contact { background: var(--op-bg-soft); padding: 100px 0 80px; }
.mailbox {
	position: relative;
	max-width: 720px;
	margin: 0 auto;
	padding: 64px 40px 48px;
	text-align: center;
	background: #fff;
	border: 2px solid var(--op-primary);
	border-radius: 16px;
	box-shadow: 0 24px 50px rgba(144, 49, 85, .18);
	overflow: visible;
}
.mailbox::before { /* envelope flap */
	content: '';
	position: absolute;
	top: 0; left: 0; right: 0;
	height: 90px;
	border-radius: 14px 14px 0 0;
	background: linear-gradient(to bottom right, transparent 49.5%, rgba(144,49,85,.35) 50%, rgba(144,49,85,.35) 51%, #fbf1f5 51%) left / 50.1% 100% no-repeat,
	            linear-gradient(to bottom left, transparent 49.5%, rgba(144,49,85,.35) 50%, rgba(144,49,85,.35) 51%, #fbf1f5 51%) right / 50.1% 100% no-repeat;
	pointer-events: none;
}
.mailbox__icon {
	position: absolute;
	top: -38px; left: 50%;
	transform: translateX(-50%);
	width: 76px; height: 76px;
	display: flex; align-items: center; justify-content: center;
	border-radius: 50%;
	background: var(--op-primary);
	border: 5px solid var(--op-bg-soft);
	box-shadow: 0 10px 24px rgba(144, 49, 85, .35);
	z-index: 1;
}
.mailbox__icon svg { width: 34px; height: 34px; }
.mailbox > * { position: relative; }
.mailbox h2 { text-transform: uppercase; letter-spacing: .03em; margin: 28px 0 14px; }
.mailbox p { margin-bottom: 26px; font-size: 1.05rem; }
.mailbox__btn {
	display: inline-block;
	padding: 15px 30px;
	background: var(--op-primary);
	color: #fff;
	border: 2px solid var(--op-primary);
	border-radius: 10px;
	font-weight: 700;
	font-size: 15px;
	letter-spacing: .03em;
	text-transform: uppercase;
	word-break: break-all;
	transition: all .2s;
}
.mailbox__btn:hover { background: #fff; color: var(--op-primary); }
.mailbox--join h2 { text-transform: none; letter-spacing: 0; }

.contact-form { max-width: 760px; margin: 0 auto; display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.contact-form .field { display: flex; flex-direction: column; }
.contact-form .field--full { grid-column: 1 / -1; }
.contact-form label { font-weight: 600; margin-bottom: 6px; font-size: .92rem; }
.contact-form input, .contact-form select, .contact-form textarea {
	width: 100%; padding: 12px 14px; border: 1px solid var(--op-border); border-radius: 8px;
	font: inherit; background: #fff; color: var(--op-text);
}
.contact-form input:focus, .contact-form select:focus, .contact-form textarea:focus { outline: 2px solid var(--op-primary); outline-offset: 0; border-color: var(--op-primary); }
.contact-form textarea { min-height: 150px; resize: vertical; }
.contact-form .hp { position: absolute; left: -9999px; }
.contact-form .captcha input { max-width: 160px; }
.contact-form .submit { grid-column: 1 / -1; text-align: center; }
.form-notice { max-width: 760px; margin: 0 auto 24px; padding: 14px 18px; border-radius: 8px; }
.form-notice--ok { background: #e7f6ec; border: 1px solid #9ed6b0; color: #1c5a31; }
.form-notice--err { background: #fdeaea; border: 1px solid #efb0b0; color: #8a1f1f; }

/* ==========================================================================
   About page
   ========================================================================== */
.content-narrow { max-width: 900px; margin: 0 auto; }
.content-narrow h2 { margin-top: 1.6em; }
.content-narrow h2:first-child { margin-top: 0; }
.content-narrow li { margin-bottom: .6em; }

/* ==========================================================================
   Our team page
   ========================================================================== */
.member { display: grid; grid-template-columns: 280px 1fr; gap: 40px; align-items: start; padding: 44px 0; border-bottom: 1px solid var(--op-border); scroll-margin-top: 110px; }
.member:last-of-type { border-bottom: 0; }
.member:nth-of-type(even) { grid-template-columns: 1fr 280px; }
.member:nth-of-type(even) .member__photo { order: 2; }
.member__photo { border-radius: var(--op-radius); overflow: hidden; background: var(--op-bg-soft); }
.member__photo img { width: 100%; height: auto; }
.member__name { margin-bottom: .1em; }
.member__title { color: var(--op-accent); font-weight: 600; margin-bottom: 1em; }
.member__bio p:last-child { margin-bottom: 0; }
.join-team { background: var(--op-bg-soft); text-align: center; padding: 70px 0; }
.join-team .container { max-width: 760px; }

/* ==========================================================================
   Generic content / footer
   ========================================================================== */
.entry-content { max-width: 860px; margin: 0 auto; }
.entry-content img { border-radius: 8px; }

.site-footer { background: var(--op-primary-dark); color: #f0dbe4; text-align: center; padding: 50px 0 28px; }
.site-footer a { color: #f0dbe4; }
.site-footer a:hover { color: #fff; }
.footer-logo img { max-height: 70px; width: auto; margin: 0 auto 22px; }
.footer-nav ul { list-style: none; margin: 0 0 26px; padding: 0; display: flex; flex-wrap: wrap; justify-content: center; gap: 10px 28px; }
.footer-nav a { font-weight: 500; letter-spacing: .04em; }
.copyright { margin: 0; font-size: .85rem; opacity: .8; border-top: 1px solid rgba(255,255,255,.12); padding-top: 22px; }

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 1024px) {
	.slider { --per-view: 4; }
	.slider--mentors { --per-view: 4; }
	.slider--partners { --per-view: 3; }
	.course-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 860px) {
	.nav-toggle { display: block; }
	.main-nav {
		position: absolute; top: 100%; left: 0; right: 0; background: #fff; border-bottom: 1px solid var(--op-border);
		flex-direction: column; align-items: stretch; gap: 0; padding: 10px 20px 24px; display: none;
		box-shadow: 0 16px 30px rgba(144,49,85,.1);
	}
	.main-nav.is-open { display: flex; }
	.main-nav ul { flex-direction: column; align-items: stretch; gap: 0; }
	.main-nav li > a { padding: 12px 0; border-bottom: 1px solid var(--op-border); }
	.main-nav .sub-menu { position: static; border: 0; box-shadow: none; padding: 0 0 0 16px; opacity: 1; visibility: visible; transform: none; display: none; min-width: 0; }
	.main-nav li.is-open > .sub-menu { display: block; }
	.main-nav .btn-donate { margin-top: 18px; text-align: center; }
	.slider { --per-view: 3; }
	.slider--mentors { --per-view: 3; }
	.member, .member:nth-of-type(even) { grid-template-columns: 1fr; }
	.member:nth-of-type(even) .member__photo { order: 0; }
	.member__photo { max-width: 280px; }
}
@media (max-width: 640px) {
	.section { padding: 50px 0; }
	.course-grid { grid-template-columns: repeat(2, 1fr); gap: 14px; }
	.course-card__body { padding: 12px 12px 14px; }
	.course-card__title { font-size: 13px; line-height: 1.35; margin-bottom: .4em; }
	.course-card__meta { font-size: 11px; gap: 4px 8px; letter-spacing: .02em; }
	.course-card__meta span + span::before { margin-right: 8px; }
	.slider, .slider--mentors { --per-view: 2; --gap: 14px; padding: 0 20px; }
	.slider__btn--prev { left: -8px; }
	.slider__btn--next { right: -8px; }
	.contact-form { grid-template-columns: 1fr; }
	.home-hero { min-height: 0; padding: 40px 0; background-position: 70% center; }
	.home-hero__box { padding: 30px 24px; }
	.home-hero__box h1 { font-size: 24px; }
	.home-hero__box p { font-size: 16px; }
	.slider--partners { --per-view: 2; --gap: 14px; }
	.slider--partners .slider__track > img { height: 80px; }
	.mailbox { padding: 60px 22px 36px; }
	.mailbox__btn { padding: 13px 18px; font-size: 13px; }
}