/* ==========================================================================
   Lumina — Design System (shared across all demos)
   Tokens are defined here and re-themed per demo in demo-*.css
   ========================================================================== */

:root {
	/* Color tokens — overridden per demo */
	--lum-bg:        #ffffff;
	--lum-surface:   #f6f6f4;
	--lum-ink:       #16151a;
	--lum-ink-soft:  #4a4954;
	--lum-line:      #e6e5e0;
	--lum-accent:    #2b36ff;
	--lum-accent-ink:#ffffff;
	--lum-muted:     #8a8896;

	/* Type */
	--lum-font-display: "Fraunces", Georgia, "Times New Roman", serif;
	--lum-font-body:    "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
	--lum-font-mono:    "Space Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;

	/* Scale */
	--lum-step--1: clamp(0.83rem, 0.8rem + 0.15vw, 0.9rem);
	--lum-step-0:  clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
	--lum-step-1:  clamp(1.25rem, 1.1rem + 0.7vw, 1.6rem);
	--lum-step-2:  clamp(1.6rem, 1.3rem + 1.4vw, 2.4rem);
	--lum-step-3:  clamp(2.1rem, 1.5rem + 2.8vw, 3.6rem);
	--lum-step-4:  clamp(2.7rem, 1.6rem + 5vw, 5.8rem);
	--lum-step-5:  clamp(3.2rem, 1.4rem + 8vw, 8.5rem);

	/* Layout */
	--lum-container: 1240px;
	--lum-gutter: clamp(1.25rem, 0.6rem + 3vw, 3rem);
	--lum-radius: 14px;
	--lum-radius-lg: 26px;
	--lum-shadow: 0 24px 60px -28px rgba(20, 20, 30, 0.35);

	--lum-ease: cubic-bezier(0.22, 1, 0.36, 1);
}

/* Reset ----------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
	font-family: var(--lum-font-body);
	font-size: var(--lum-step-0);
	line-height: 1.65;
	color: var(--lum-ink);
	background: var(--lum-bg);
	-webkit-font-smoothing: antialiased;
	text-rendering: optimizeLegibility;
	overflow-x: hidden;
}

img, picture, svg, video { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: 3px; }

h1, h2, h3, h4 {
	font-family: var(--lum-font-display);
	font-weight: 600;
	line-height: 1.04;
	letter-spacing: -0.02em;
}

::selection { background: var(--lum-accent); color: var(--lum-accent-ink); }

:focus-visible {
	outline: 3px solid var(--lum-accent);
	outline-offset: 3px;
	border-radius: 4px;
}

/* Layout helpers -------------------------------------------------------- */
.lum-container {
	width: 100%;
	max-width: var(--lum-container);
	margin-inline: auto;
	padding-inline: var(--lum-gutter);
}
.lum-section { padding-block: clamp(3.5rem, 2rem + 7vw, 8rem); }
.lum-eyebrow {
	font-family: var(--lum-font-mono);
	font-size: var(--lum-step--1);
	letter-spacing: 0.22em;
	text-transform: uppercase;
	color: var(--lum-accent);
	display: inline-flex;
	align-items: center;
	gap: 0.6em;
}
.lum-eyebrow::before {
	content: "";
	width: 1.8em; height: 1px; background: currentColor; opacity: 0.6;
}

/* Buttons --------------------------------------------------------------- */
.lum-btn {
	display: inline-flex;
	align-items: center;
	gap: 0.55em;
	font-family: var(--lum-font-body);
	font-weight: 600;
	font-size: var(--lum-step-0);
	line-height: 1;
	padding: 0.95em 1.6em;
	border-radius: 999px;
	border: 1px solid transparent;
	background: var(--lum-accent);
	color: var(--lum-accent-ink);
	cursor: pointer;
	text-decoration: none;
	transition: transform 0.4s var(--lum-ease), background 0.3s, box-shadow 0.4s;
	will-change: transform;
}
.lum-btn:hover { transform: translateY(-3px); box-shadow: var(--lum-shadow); }
.lum-btn--ghost {
	background: transparent;
	color: var(--lum-ink);
	border-color: var(--lum-line);
}
.lum-btn--ghost:hover { border-color: var(--lum-ink); }
.lum-btn__arrow { transition: transform 0.4s var(--lum-ease); }
.lum-btn:hover .lum-btn__arrow { transform: translateX(4px); }

/* Site header ----------------------------------------------------------- */
.site-header {
	position: sticky;
	top: 0;
	z-index: 900;
	background: color-mix(in srgb, var(--lum-bg) 86%, transparent);
	backdrop-filter: saturate(140%) blur(14px);
	border-bottom: 1px solid var(--lum-line);
}
.site-header.is-scrolled { box-shadow: 0 10px 30px -22px rgba(20, 20, 30, 0.4); }
.site-header__inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 2rem;
	min-height: 76px;
}
.site-branding { display: flex; align-items: center; gap: 0.75rem; }
.site-title {
	font-family: var(--lum-font-display);
	font-size: 1.5rem;
	font-weight: 600;
	letter-spacing: -0.03em;
	text-decoration: none;
	color: var(--lum-ink);
}
.site-title__dot { color: var(--lum-accent); }
.site-description { display: none; }
.custom-logo { max-height: 40px; width: auto; }

.main-navigation ul { list-style: none; display: flex; gap: clamp(1rem, 2vw, 2.2rem); margin: 0; padding: 0; }
.main-navigation a {
	text-decoration: none;
	font-weight: 500;
	font-size: 1rem;
	color: var(--lum-ink);
	position: relative;
	padding: 0.4em 0;
}
.main-navigation a::after {
	content: ""; position: absolute; left: 0; bottom: 0;
	width: 0; height: 2px; background: var(--lum-accent);
	transition: width 0.35s var(--lum-ease);
}
.main-navigation a:hover::after,
.main-navigation .current-menu-item > a::after { width: 100%; }

.main-navigation .sub-menu {
	position: absolute;
	flex-direction: column;
	gap: 0;
	background: var(--lum-bg);
	border: 1px solid var(--lum-line);
	border-radius: var(--lum-radius);
	padding: 0.5rem;
	min-width: 210px;
	box-shadow: var(--lum-shadow);
	opacity: 0;
	visibility: hidden;
	transform: translateY(8px);
	transition: all 0.3s var(--lum-ease);
}
.main-navigation li { position: relative; }
.main-navigation li:hover > .sub-menu { opacity: 1; visibility: visible; transform: translateY(0); }
.main-navigation .sub-menu a { padding: 0.5em 0.8em; display: block; border-radius: 8px; }
.main-navigation .sub-menu a:hover { background: var(--lum-surface); }
.main-navigation .sub-menu a::after { display: none; }

.header-cta { display: inline-flex; }

/* Mobile nav toggle */
.menu-toggle {
	display: none;
	flex-direction: column;
	gap: 5px;
	background: none;
	border: 0;
	cursor: pointer;
	padding: 8px;
}
.menu-toggle span { width: 26px; height: 2px; background: var(--lum-ink); transition: transform 0.3s, opacity 0.3s; }
.menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 880px) {
	.menu-toggle { display: flex; }
	.header-cta { display: none; }
	.main-navigation {
		position: fixed;
		inset: 76px 0 auto 0;
		background: var(--lum-bg);
		border-bottom: 1px solid var(--lum-line);
		max-height: 0;
		overflow: hidden;
		transition: max-height 0.45s var(--lum-ease);
	}
	.main-navigation.is-open { max-height: 80vh; overflow-y: auto; }
	.main-navigation ul { flex-direction: column; padding: 1.2rem var(--lum-gutter) 2rem; gap: 0.2rem; }
	.main-navigation .sub-menu { position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none; border: 0; padding-left: 1rem; }
}

/* Footer ---------------------------------------------------------------- */
.site-footer {
	background: var(--lum-ink);
	color: color-mix(in srgb, var(--lum-bg) 80%, var(--lum-ink));
	padding-block: clamp(3rem, 2rem + 4vw, 5.5rem) 2rem;
}
.site-footer a { color: inherit; }
.site-footer__grid {
	display: grid;
	grid-template-columns: 1.5fr repeat(3, 1fr);
	gap: clamp(1.5rem, 3vw, 3rem);
	padding-bottom: 3rem;
	border-bottom: 1px solid color-mix(in srgb, var(--lum-bg) 16%, transparent);
}
.site-footer__brand .site-title { color: var(--lum-bg); }
.site-footer__brand p { margin-top: 1rem; max-width: 34ch; color: color-mix(in srgb, var(--lum-bg) 65%, var(--lum-ink)); }
.site-footer h4 { color: var(--lum-bg); font-family: var(--lum-font-body); font-size: 0.8rem; letter-spacing: 0.14em; text-transform: uppercase; margin-bottom: 1.1rem; }
.site-footer .widget ul,
.site-footer .menu { list-style: none; padding: 0; margin: 0; display: grid; gap: 0.6rem; }
.site-footer .widget a:hover { color: var(--lum-bg); }
.site-footer__bottom {
	display: flex;
	flex-wrap: wrap;
	gap: 1rem;
	justify-content: space-between;
	align-items: center;
	padding-top: 2rem;
	font-size: var(--lum-step--1);
	color: color-mix(in srgb, var(--lum-bg) 55%, var(--lum-ink));
}
@media (max-width: 760px) { .site-footer__grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 460px) { .site-footer__grid { grid-template-columns: 1fr; } }

/* Blog / archive / single ---------------------------------------------- */
.lum-page-hero {
	padding-block: clamp(3rem, 2rem + 5vw, 6rem) clamp(2rem, 1.5rem + 2vw, 3rem);
	border-bottom: 1px solid var(--lum-line);
}
.lum-page-hero h1 { font-size: var(--lum-step-3); }
.lum-page-hero p { color: var(--lum-ink-soft); margin-top: 0.8rem; max-width: 60ch; }

.lum-posts {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
	gap: clamp(1.5rem, 3vw, 2.6rem);
}
.lum-card {
	display: flex;
	flex-direction: column;
	background: var(--lum-bg);
	border: 1px solid var(--lum-line);
	border-radius: var(--lum-radius-lg);
	overflow: hidden;
	transition: transform 0.5s var(--lum-ease), box-shadow 0.5s;
}
.lum-card:hover { transform: translateY(-6px); box-shadow: var(--lum-shadow); }
.lum-card__media { aspect-ratio: 16 / 10; overflow: hidden; background: var(--lum-surface); }
.lum-card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.7s var(--lum-ease); }
.lum-card:hover .lum-card__media img { transform: scale(1.05); }
.lum-card__body { padding: 1.6rem; display: flex; flex-direction: column; gap: 0.7rem; flex: 1; }
.lum-card__meta { font-family: var(--lum-font-mono); font-size: 0.72rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--lum-muted); }
.lum-card__title { font-size: var(--lum-step-1); }
.lum-card__title a { text-decoration: none; }
.lum-card__title a:hover { color: var(--lum-accent); }
.lum-card__excerpt { color: var(--lum-ink-soft); font-size: 0.98rem; }
.lum-card__more { margin-top: auto; font-weight: 600; color: var(--lum-accent); text-decoration: none; padding-top: 0.6rem; }

.lum-layout { display: grid; grid-template-columns: minmax(0,1fr) 320px; gap: clamp(2rem,4vw,4rem); align-items: start; }
.lum-layout--full { grid-template-columns: minmax(0,1fr); }
@media (max-width: 980px) { .lum-layout { grid-template-columns: 1fr; } }

.entry-content { font-size: var(--lum-step-0); line-height: 1.75; }
.entry-content > * + * { margin-top: 1.4em; }
.entry-content h2 { font-size: var(--lum-step-2); margin-top: 1.8em; }
.entry-content h3 { font-size: var(--lum-step-1); margin-top: 1.6em; }
.entry-content a { color: var(--lum-accent); }
.entry-content blockquote {
	border-left: 3px solid var(--lum-accent);
	padding-left: 1.4rem;
	font-family: var(--lum-font-display);
	font-size: var(--lum-step-1);
	font-style: italic;
	color: var(--lum-ink);
}
.entry-content img { border-radius: var(--lum-radius); }
.entry-content pre { background: var(--lum-ink); color: #fff; padding: 1.2rem; border-radius: var(--lum-radius); overflow-x: auto; font-family: var(--lum-font-mono); font-size: 0.9rem; }
.entry-content code { font-family: var(--lum-font-mono); font-size: 0.9em; }

.single-hero h1 { font-size: var(--lum-step-3); max-width: 18ch; }
.single-hero__meta { display: flex; gap: 1.2rem; flex-wrap: wrap; font-family: var(--lum-font-mono); font-size: 0.78rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--lum-muted); margin-top: 1.4rem; }
.single-hero__media { margin-block: 2.5rem; border-radius: var(--lum-radius-lg); overflow: hidden; }

/* Widgets / sidebar ----------------------------------------------------- */
.widget { margin-bottom: 2.4rem; }
.widget-title { font-family: var(--lum-font-body); font-size: 0.8rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--lum-muted); margin-bottom: 1rem; }
.widget ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 0.55rem; }
.widget ul a { text-decoration: none; color: var(--lum-ink-soft); }
.widget ul a:hover { color: var(--lum-accent); }
.widget select, .widget input { width: 100%; padding: 0.6em 0.8em; border: 1px solid var(--lum-line); border-radius: 8px; font: inherit; }

/* Pagination ------------------------------------------------------------ */
.lum-pagination { margin-top: 3.5rem; display: flex; justify-content: center; }
.lum-pagination .nav-links { display: flex; gap: 0.4rem; flex-wrap: wrap; }
.lum-pagination .page-numbers {
	display: inline-flex; align-items: center; justify-content: center;
	min-width: 44px; height: 44px; padding: 0 0.6rem;
	border: 1px solid var(--lum-line); border-radius: 10px;
	text-decoration: none; font-weight: 600;
}
.lum-pagination .page-numbers.current { background: var(--lum-ink); color: var(--lum-bg); border-color: var(--lum-ink); }
.lum-pagination .page-numbers:hover:not(.current) { border-color: var(--lum-ink); }

/* Comments -------------------------------------------------------------- */
.comments-area { margin-top: 4rem; }
.comments-title, .comment-reply-title { font-size: var(--lum-step-2); margin-bottom: 1.5rem; }
.comment-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 1.5rem; }
.comment-list ol { list-style: none; padding-left: 1.5rem; margin-top: 1.5rem; display: grid; gap: 1.5rem; }
.comment-body { border: 1px solid var(--lum-line); border-radius: var(--lum-radius); padding: 1.4rem; }
.comment-author { display: flex; align-items: center; gap: 0.8rem; font-weight: 600; }
.comment-author img { border-radius: 50%; }
.comment-metadata { font-size: 0.78rem; color: var(--lum-muted); }
.comment-form { display: grid; gap: 1rem; max-width: 640px; }
.comment-form input, .comment-form textarea { width: 100%; padding: 0.8em 1em; border: 1px solid var(--lum-line); border-radius: 10px; font: inherit; }
.comment-form .submit { width: max-content; }

/* Reveal-on-scroll ------------------------------------------------------ */
[data-reveal] { opacity: 0; transform: translateY(28px); transition: opacity 0.8s var(--lum-ease), transform 0.8s var(--lum-ease); }
[data-reveal].is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { [data-reveal] { opacity: 1; transform: none; } }

/* Utility --------------------------------------------------------------- */
.lum-grid { display: grid; gap: var(--lum-gutter); }
.lum-flow > * + * { margin-top: 1rem; }
.lum-center { text-align: center; }
.lum-max-prose { max-width: 65ch; }

/* Search form ----------------------------------------------------------- */
.lum-search-form { display: flex; gap: 0.5rem; }
.lum-search-form__field { flex: 1; padding: 0.8em 1em; border: 1px solid var(--lum-line); border-radius: 999px; font: inherit; background: var(--lum-bg); }
.lum-search-form__submit { white-space: nowrap; }

/* Elementor widget wrappers --------------------------------------------- */
.lumina-el { width: 100%; }
.lumina-el > section { padding-inline: 0; }
.elementor-widget-lumina_hero .lum-container,
.elementor-widget-lumina_projects .lum-container,
.elementor-widget-lumina_causes .lum-container,
.elementor-widget-lumina_events .lum-container,
.elementor-widget-lumina_stats .lum-container { max-width: 100%; padding-inline: 0; }