/*
Theme Name: Under Construction
Theme URI: https://github.com/investblog/under-construction
Author: 301st
Author URI: https://301.st
Description: Prelaunch, maintenance, and headless shield theme. Upload a logo — get a branded holding page with WCAG-validated colors and animated triangulated background.
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.9
Requires PHP: 8.0
License: GNU General Public License v2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: under-construction
Tags: one-column, custom-logo, custom-colors, translation-ready
*/

/* ── Reset ────────────────────────────────────────────────────── */

*, *::before, *::after {
	box-sizing: border-box;
	margin: 0;
	padding: 0;
}

/* ── Tokens (fallback defaults — overridden by inline :root) ── */

:root {
	--uc-bg: #1a1a2e;
	--uc-surface: #22223a;
	--uc-text: #e8e8ed;
	--uc-muted: #b8b8c8;
	--uc-border: #404060;
	--uc-accent: #8e7cff;
	--uc-accent-2: #ff66cc;
	--uc-accent-text: #000000;
	--uc-link: #a594ff;
	--uc-focus: #ff9800;

	/* Typography */
	--uc-headline-size: clamp(1.6rem, 4vw, 2.8rem);
	--uc-description-size: clamp(0.95rem, 1.5vw, 1.15rem);
	--uc-body-size: 1rem;

	/* Spacing */
	--uc-space-xs: 0.25rem;
	--uc-space-sm: 0.5rem;
	--uc-space-md: 1rem;
	--uc-space-lg: 1.5rem;
	--uc-space-xl: 2rem;
	--uc-space-xxl: 3rem;

	/* Radius */
	--uc-radius: 0.75rem;
	--uc-radius-sm: 0.375rem;
	--uc-radius-pill: 100px;
}

/* ── Body ─────────────────────────────────────────────────────── */

body.undercon {
	font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
	font-size: var(--uc-body-size);
	line-height: 1.6;
	color: var(--uc-text);
	background: var(--uc-bg);
	min-height: 100vh;
	min-height: 100dvh;
	overflow-x: hidden;
	-webkit-font-smoothing: antialiased;
	-moz-osx-font-smoothing: grayscale;
}

/* ── Background layers ────────────────────────────────────────── */

.uc-atmosphere {
	position: fixed;
	inset: 0;
	z-index: 0;
	pointer-events: none;
	background: radial-gradient(ellipse at 30% 20%, color-mix(in srgb, var(--uc-accent) 8%, transparent) 0%, transparent 60%),
	            radial-gradient(ellipse at 70% 80%, color-mix(in srgb, var(--uc-accent-2) 5%, transparent) 0%, transparent 60%);
}

.uc-bg {
	position: fixed;
	inset: 0;
	z-index: 0;
	pointer-events: none;
	contain: strict;
}

/* ── Content shell ────────────────────────────────────────────── */

.uc-shell {
	position: relative;
	z-index: 1;
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	text-align: center;
	min-height: 100vh;
	min-height: 100dvh;
	padding: var(--uc-space-xxl) var(--uc-space-lg);
	max-width: 560px;
	margin: 0 auto;
	gap: var(--uc-space-lg);
}

/* ── Logo ─────────────────────────────────────────────────────── */

.uc-logo {
	max-width: 200px;
	max-height: 120px;
	width: auto;
	height: auto;
	object-fit: contain;
}

/* ── Status badge ─────────────────────────────────────────────── */

.uc-status {
	display: inline-block;
	font-size: 0.75rem;
	font-weight: 600;
	letter-spacing: 0.05em;
	text-transform: uppercase;
	padding: var(--uc-space-xs) var(--uc-space-md);
	border-radius: var(--uc-radius-pill);
	background: color-mix(in srgb, var(--uc-accent) 15%, transparent);
	color: var(--uc-accent);
	border: 1px solid color-mix(in srgb, var(--uc-accent) 25%, transparent);
}

/* ── Headline ─────────────────────────────────────────────────── */

.uc-headline {
	font-size: var(--uc-headline-size);
	font-weight: 700;
	line-height: 1.2;
	color: var(--uc-text);
	letter-spacing: -0.02em;
}

/* ── Description ──────────────────────────────────────────────── */

.uc-description {
	font-size: var(--uc-description-size);
	color: var(--uc-muted);
	max-width: 460px;
	line-height: 1.7;
}

/* ── Countdown ───────────────────────────────────────────────── */

.uc-countdown-label {
	font-size: 0.85rem;
	color: var(--uc-muted);
}

.uc-countdown {
	display: flex;
	gap: var(--uc-space-lg);
	justify-content: center;
}

.uc-countdown-item {
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: var(--uc-space-xs);
}

.uc-countdown-num {
	font-size: clamp(1.8rem, 5vw, 2.6rem);
	font-weight: 700;
	font-variant-numeric: tabular-nums;
	line-height: 1;
	color: var(--uc-text);
}

.uc-countdown-unit {
	font-size: 0.7rem;
	text-transform: uppercase;
	letter-spacing: 0.05em;
	color: var(--uc-muted);
}

/* ── Actions ──────────────────────────────────────────────────── */

.uc-actions {
	display: flex;
	gap: var(--uc-space-sm);
	flex-wrap: wrap;
	justify-content: center;
}

/* ── Buttons ──────────────────────────────────────────────────── */

.uc-button {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	padding: 0.7em 1.8em;
	font-size: 0.9rem;
	font-weight: 600;
	text-decoration: none;
	border-radius: var(--uc-radius);
	transition: opacity 0.15s, transform 0.15s;
	cursor: pointer;
	border: none;
}

.uc-button:hover {
	opacity: 0.88;
	transform: translateY(-1px);
}

.uc-button:focus-visible {
	outline: 2px solid var(--uc-focus);
	outline-offset: 2px;
}

.uc-button-primary {
	background: var(--uc-accent);
	color: var(--uc-accent-text);
}

.uc-button-secondary {
	background: transparent;
	color: var(--uc-text);
	border: 1px solid color-mix(in srgb, var(--uc-text) 25%, transparent);
}

.uc-button-secondary:hover {
	border-color: var(--uc-accent);
	color: var(--uc-accent);
	background: color-mix(in srgb, var(--uc-accent) 8%, transparent);
}

/* ── Bypass banner ─────────────────────────────────────────── */

.uc-bypass-banner {
	font-size: 0.75rem;
	padding: var(--uc-space-xs) var(--uc-space-md);
	border-radius: var(--uc-radius-pill);
	background: color-mix(in srgb, #f59e0b 15%, transparent);
	color: #f59e0b;
	border: 1px solid color-mix(in srgb, #f59e0b 30%, transparent);
}

/* ── Social links ────────────────────────────────────────────── */

.uc-social {
	display: flex;
	gap: var(--uc-space-md);
	justify-content: center;
}

.uc-social-link {
	color: var(--uc-muted);
	transition: color 0.15s;
}

.uc-social-link:hover {
	color: var(--uc-accent);
}

.uc-social-link:focus-visible {
	outline: 2px solid var(--uc-focus);
	outline-offset: 2px;
	border-radius: var(--uc-radius-sm);
}

.uc-social-icon {
	width: 20px;
	height: 20px;
	display: block;
}

/* ── Contact & Footer ─────────────────────────────────────────── */

.uc-contact {
	font-size: 0.85rem;
	color: var(--uc-muted);
}

.uc-contact a {
	color: var(--uc-link);
	text-decoration: none;
}

.uc-contact a:hover {
	text-decoration: underline;
}

.uc-footer {
	font-size: 0.75rem;
	color: var(--uc-muted);
	opacity: 0.6;
}

/* ── FAQ accordion ────────────────────────────────────────────── */

.uc-faq {
	width: 100%;
	max-width: 480px;
	text-align: start;
}

.uc-faq-item {
	border-bottom: 1px solid color-mix(in srgb, var(--uc-border) 50%, transparent);
}

.uc-faq-q {
	width: 100%;
	padding: var(--uc-space-md) 0;
	font-size: 0.9rem;
	font-weight: 600;
	color: var(--uc-text);
	background: none;
	border: none;
	cursor: pointer;
	text-align: start;
}

.uc-faq-q:focus-visible {
	outline: 2px solid var(--uc-focus);
	outline-offset: -2px;
}

.uc-faq-a {
	display: none;
}

.uc-faq-item.open .uc-faq-a {
	display: block;
}

.uc-faq-a > div {
	padding: 0 0 var(--uc-space-md) 0;
	font-size: 0.85rem;
	color: var(--uc-muted);
	line-height: 1.7;
}

/* ── About section ────────────────────────────────────────────── */

.uc-about {
	width: 100%;
	max-width: 480px;
	text-align: start;
}

.uc-about-title {
	font-size: 1.2rem;
	font-weight: 700;
	color: var(--uc-text);
	margin-bottom: var(--uc-space-sm);
}

.uc-about-lead {
	font-size: 0.9rem;
	line-height: 1.7;
	color: var(--uc-muted);
}

.uc-about-more {
	font-size: 0.85rem;
	line-height: 1.7;
	color: var(--uc-muted);
}

.uc-about-more summary {
	font-size: 0.85rem;
	font-weight: 500;
	color: var(--uc-accent);
	cursor: pointer;
	user-select: none;
	list-style: none;
	display: inline-flex;
	align-items: center;
	gap: 0.3em;
	margin-top: var(--uc-space-sm);
}

.uc-about-more summary::-webkit-details-marker { display: none; }

.uc-about-more summary::before {
	content: '\25B8';
	transition: transform 0.15s;
}

.uc-about-more[open] summary::before {
	transform: rotate(90deg);
}

.uc-about-more p {
	margin: var(--uc-space-sm) 0 0;
}

/* ── Content page shell ──────────────────────────────────────── */

.uc-page-shell {
	position: relative;
	z-index: 1;
	min-height: 100vh;
	min-height: 100dvh;
	max-width: 720px;
	margin: 0 auto;
	padding: var(--uc-space-xl) var(--uc-space-lg);
	background: var(--uc-bg);
}

.uc-page-header {
	display: flex;
	align-items: center;
	gap: var(--uc-space-lg);
	margin-bottom: var(--uc-space-xl);
}

.uc-page-logo-link {
	flex-shrink: 0;
}

.uc-page-logo {
	max-width: 100px;
	max-height: 48px;
	width: auto;
	height: auto;
	object-fit: contain;
}

/* ── Breadcrumb ──────────────────────────────────────────────── */

.uc-breadcrumb {
	display: flex;
	align-items: center;
	gap: 0.4em;
	font-size: 0.85rem;
	color: var(--uc-muted);
	min-width: 0;
}

.uc-breadcrumb-home {
	display: inline-flex;
	align-items: center;
	gap: 0.35em;
	color: var(--uc-muted);
	text-decoration: none;
	white-space: nowrap;
}

.uc-breadcrumb-home:hover {
	color: var(--uc-text);
}

.uc-breadcrumb-sep {
	color: var(--uc-border);
}

.uc-breadcrumb-current {
	color: var(--uc-text);
	font-weight: 500;
	overflow: hidden;
	text-overflow: ellipsis;
	white-space: nowrap;
}

/* ── Article ─────────────────────────────────────────────────── */

.uc-article {
	margin-bottom: var(--uc-space-xxl);
}

.uc-article-title {
	font-size: clamp(1.4rem, 3.5vw, 2rem);
	font-weight: 700;
	line-height: 1.3;
	color: var(--uc-text);
	margin-bottom: var(--uc-space-lg);
}

.uc-article-content {
	font-size: var(--uc-body-size);
	line-height: 1.8;
	color: var(--uc-muted);
}

.uc-article-content h2,
.uc-article-content h3,
.uc-article-content h4 {
	color: var(--uc-text);
	margin: var(--uc-space-xl) 0 var(--uc-space-sm);
}

.uc-article-content h2 { font-size: 1.3rem; }
.uc-article-content h3 { font-size: 1.1rem; }

.uc-article-content p {
	margin: 0 0 var(--uc-space-md);
}

.uc-article-content ul,
.uc-article-content ol {
	margin: 0 0 var(--uc-space-md);
	padding-inline-start: 1.5em;
}

.uc-article-content li {
	margin-bottom: var(--uc-space-xs);
}

.uc-article-content a {
	color: var(--uc-link);
	text-decoration: underline;
	text-underline-offset: 2px;
}

.uc-article-content a:hover {
	color: var(--uc-accent);
}

.uc-article-content blockquote {
	border-inline-start: 3px solid var(--uc-accent);
	padding: var(--uc-space-sm) var(--uc-space-md);
	margin: 0 0 var(--uc-space-md);
	color: var(--uc-text);
	background: color-mix(in srgb, var(--uc-surface) 50%, transparent);
	border-radius: 0 var(--uc-radius-sm) var(--uc-radius-sm) 0;
}

.uc-article-content table {
	width: 100%;
	border-collapse: collapse;
	margin: 0 0 var(--uc-space-md);
	font-size: 0.9rem;
}

.uc-article-content th,
.uc-article-content td {
	padding: var(--uc-space-sm) var(--uc-space-md);
	border-bottom: 1px solid var(--uc-border);
	text-align: start;
}

.uc-article-content th {
	color: var(--uc-text);
	font-weight: 600;
}

.uc-article-content img {
	max-width: 100%;
	height: auto;
	border-radius: var(--uc-radius);
}

/* ── Page footer ─────────────────────────────────────────────── */

.uc-page-footer {
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: var(--uc-space-md);
	padding-top: var(--uc-space-xl);
	border-top: 1px solid color-mix(in srgb, var(--uc-border) 40%, transparent);
}

/* ── Inline page links (content pages) ───────────────────── */

.uc-page-links-inline {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: var(--uc-space-sm);
	font-size: 0.8rem;
}

.uc-page-links-inline a {
	color: var(--uc-muted);
	text-decoration: none;
	transition: color 0.15s;
}

.uc-page-links-inline a:hover {
	color: var(--uc-accent);
}

.uc-page-links-inline a.uc-current {
	color: var(--uc-text);
}

.uc-page-links-sep {
	color: var(--uc-border);
	font-size: 0.6rem;
}

/* ── Page links ──────────────────────────────────────────────── */

.uc-page-links {
	display: flex;
	flex-wrap: wrap;
	gap: var(--uc-space-sm);
	justify-content: center;
}

.uc-page-link {
	display: inline-block;
	font-size: 0.8rem;
	padding: var(--uc-space-xs) var(--uc-space-md);
	border-radius: var(--uc-radius-pill);
	border: 1px solid color-mix(in srgb, var(--uc-text) 15%, transparent);
	color: var(--uc-muted);
	text-decoration: none;
	transition: color 0.15s, border-color 0.15s;
}

.uc-page-link:hover {
	color: var(--uc-accent);
	border-color: var(--uc-accent);
}

.uc-page-link-current {
	color: var(--uc-text);
	border-color: var(--uc-accent);
	background: color-mix(in srgb, var(--uc-accent) 10%, transparent);
}

/* ── Content page: trigons desktop-only ──────────────────────── */

.undercon-context-page .uc-bg {
	z-index: -1;
}

/* ── Visual style presets ─────────────────────────────────────── */

/* Studio (default): calm, polished, subtle contrast */
.undercon-style-studio .uc-atmosphere {
	opacity: 0.6;
}

/* Pulse: vivid, bold, higher energy */
.undercon-style-pulse .uc-atmosphere {
	opacity: 1;
	background: radial-gradient(ellipse at 30% 20%, color-mix(in srgb, var(--uc-accent) 15%, transparent) 0%, transparent 55%),
	            radial-gradient(ellipse at 70% 80%, color-mix(in srgb, var(--uc-accent-2) 12%, transparent) 0%, transparent 55%);
}

.undercon-style-pulse .uc-status {
	background: color-mix(in srgb, var(--uc-accent) 25%, transparent);
	border-color: color-mix(in srgb, var(--uc-accent) 40%, transparent);
}

.undercon-style-pulse .uc-button-primary {
	box-shadow: 0 4px 20px color-mix(in srgb, var(--uc-accent) 30%, transparent);
}

.undercon-style-pulse .uc-headline {
	letter-spacing: -0.03em;
}

/* Minimal: quiet, reduced ornament */
.undercon-style-minimal .uc-atmosphere {
	display: none;
}

.undercon-style-minimal .uc-status {
	border: none;
	background: none;
	padding: 0;
	opacity: 0.5;
}

.undercon-style-minimal .uc-button-primary {
	border-radius: var(--uc-radius-sm);
}

.undercon-style-minimal .uc-button-secondary {
	border: none;
	text-decoration: underline;
	text-underline-offset: 3px;
}

/* ── Responsive (767px) ───────────────────────────────────────── */

@media (max-width: 767px) {
	.uc-shell {
		padding: var(--uc-space-lg) var(--uc-space-md);
		gap: var(--uc-space-md);
	}

	.uc-logo {
		max-width: 140px;
		max-height: 80px;
	}

	.uc-actions {
		flex-direction: column;
		width: 100%;
	}

	.uc-button {
		width: 100%;
	}

	.uc-countdown {
		gap: var(--uc-space-md);
	}

	/* Content page: hide trigons on mobile, full-width article. */
	.undercon-context-page .uc-bg,
	.undercon-context-page .uc-atmosphere {
		display: none;
	}

	.uc-page-shell {
		padding: var(--uc-space-lg) var(--uc-space-md);
	}

	.uc-page-header {
		flex-direction: column;
		align-items: flex-start;
		gap: var(--uc-space-sm);
	}
}

/* ── Small mobile (479px) ─────────────────────────────────────── */

@media (max-width: 479px) {
	.uc-shell {
		padding: var(--uc-space-md) var(--uc-space-sm);
	}

	.uc-countdown {
		gap: var(--uc-space-sm);
	}

	.uc-countdown-num {
		font-size: clamp(1.4rem, 8vw, 1.8rem);
	}
}

/* ── Reduced motion ───────────────────────────────────────────── */

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

}