/**
 * Certification Showcase Widget — Frontend Styles
 *
 * @package    certification-showcase
 * @developer  TheTechiez (https://thetechiez.com)
 * @version    1.0.0
 *
 * Table of Contents:
 *   1. Google Fonts Import
 *   2. CSS Custom Properties
 *   3. Section Wrapper & Grid
 *   4. Left Info Panel
 *   5. Certificate List
 *   6. CTA Button
 *   7. Card Stack Area
 *   8. Certificate Card
 *   9. Card Interior
 *  10. Animations & Keyframes
 *  11. Responsive
 */

/* ============================================================
   1. Google Fonts
   ============================================================ */
@import url('https://fonts.googleapis.com/css2?family=DM+Serif+Display:ital@0;1&family=DM+Sans:wght@300;400;500;600&display=swap');

/* ============================================================
   2. CSS Custom Properties
   ============================================================ */
.csw-wrap {
	--csw-bg:           #f0ede8;
	--csw-surface:      #ffffff;
	--csw-ink:          #1a1714;
	--csw-ink-muted:    #6b6460;
	--csw-accent:       #c8392b;
	--csw-accent-light: rgba(200, 57, 43, 0.10);
	--csw-border:       rgba(0, 0, 0, 0.08);
	--csw-shadow:       0 24px 64px rgba(0,0,0,0.13), 0 4px 16px rgba(0,0,0,0.07);
	--csw-radius:       12px;
	--csw-font-display: 'DM Serif Display', Georgia, serif;
	--csw-font-body:    'DM Sans', system-ui, sans-serif;
}

/* ============================================================
   3. Section Wrapper & Grid
   ============================================================ */
.csw-wrap {
	display: grid;
	grid-template-columns: 380px 1fr;
	gap: 64px;
	align-items: center;
	background-color: var(--csw-bg);
	padding: 80px 60px 60px;
	border-radius: 0;
	position: relative;
	overflow: hidden;
	font-family: var(--csw-font-body);
	color: var(--csw-ink);
}

/* Subtle grain overlay */
.csw-wrap::after {
	content: '';
	position: absolute;
	inset: 0;
	background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
	pointer-events: none;
	opacity: 0.35;
	z-index: 0;
}

.csw-wrap > * {
	position: relative;
	z-index: 1;
}

/* ============================================================
   4. Left Info Panel
   ============================================================ */
.csw-info-panel {
	padding: 8px 0;
}

.csw-eyebrow {
	font-size: 11px;
	font-weight: 600;
	letter-spacing: 0.2em;
	text-transform: uppercase;
	color: var(--csw-accent);
	margin-bottom: 14px;
	margin-top: 0;
}

.csw-heading {
	font-family: var(--csw-font-display);
	font-size: clamp(32px, 3.5vw, 50px);
	line-height: 1.08;
	color: var(--csw-ink);
	margin-bottom: 32px;
	margin-top: 0;
}

.csw-heading em {
	font-style: italic;
	color: var(--csw-accent);
}

/* ============================================================
   5. Certificate List
   ============================================================ */
.csw-cert-list {
	list-style: none;
	margin: 0 0 20px;
	padding: 0;
}

.csw-cert-item {
	display: flex;
	align-items: flex-start;
	gap: 14px;
	padding: 14px 8px 14px 0;
	border-bottom: 1px solid var(--csw-border);
	cursor: pointer;
	transition: padding-left 0.25s ease, background 0.25s ease;
	border-radius: 4px;
}

.csw-cert-item:first-child {
	border-top: 1px solid var(--csw-border);
}

.csw-cert-item:hover,
.csw-cert-item.active {
	padding-left: 8px;
}

.csw-cert-dot {
	width: 8px;
	height: 8px;
	border-radius: 50%;
	background: var(--csw-ink-muted);
	margin-top: 6px;
	flex-shrink: 0;
	transition: background 0.25s ease, transform 0.25s ease;
}

.csw-cert-item.active .csw-cert-dot {
	background: var(--csw-accent);
	transform: scale(1.35);
}

.csw-cert-info {
	flex: 1;
}

.csw-cert-code {
	font-weight: 600;
	font-size: 14px;
	color: var(--csw-ink);
	margin-bottom: 2px;
}

.csw-cert-name {
	font-size: 13px;
	color: var(--csw-ink-muted);
}

.csw-cert-badge {
	margin-left: auto;
	font-size: 10px;
	font-weight: 600;
	letter-spacing: 0.1em;
	text-transform: uppercase;
	padding: 3px 10px;
	border-radius: 20px;
	background: var(--csw-accent-light);
	color: var(--csw-accent);
	white-space: nowrap;
	align-self: center;
}

/* ============================================================
   6. CTA Button
   ============================================================ */
.csw-btn {
	display: inline-flex;
	align-items: center;
	gap: 10px;
	background: var(--csw-accent);
	color: #ffffff !important;
	border: none;
	padding: 14px 28px;
	border-radius: 40px;
	font-family: var(--csw-font-body);
	font-size: 14px;
	font-weight: 600;
	cursor: pointer;
	text-decoration: none;
	transition: background 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
	letter-spacing: 0.02em;
	margin-top: 20px;
}

.csw-btn:hover {
	background: var(--csw-ink);
	transform: translateY(-2px);
	box-shadow: 0 8px 24px rgba(0,0,0,0.2);
}

.csw-btn svg {
	transition: transform 0.25s ease;
}

.csw-btn:hover svg {
	transform: translateX(4px);
}

/* ============================================================
   7. Card Stack Area
   ============================================================ */
.csw-stack-area {
	position: relative;
	height: 480px;
	perspective: 1200px;
}

.csw-hint {
	position: absolute;
	bottom: -28px;
	left: 50%;
	transform: translateX(-50%);
	font-size: 12px;
	color: var(--csw-ink-muted);
	white-space: nowrap;
	display: flex;
	align-items: center;
	gap: 6px;
	opacity: 0.65;
	margin: 0;
}

/* ============================================================
   8. Certificate Card
   ============================================================ */
.csw-cert-card {
	position: absolute;
	width: 300px;
	height: 420px;
	border-radius: var(--csw-radius);
	overflow: hidden;
	box-shadow: var(--csw-shadow);
	cursor: grab;
	user-select: none;
	-webkit-user-select: none;
	transition: transform 0.5s cubic-bezier(0.34, 1.56, 0.64, 1),
	            box-shadow 0.3s ease,
	            opacity 0.4s ease;
	transform-origin: center bottom;
	will-change: transform;
	background: var(--csw-surface);
}

.csw-cert-card:active {
	cursor: grabbing;
}

.csw-cert-card.csw-dragging {
	transition: none;
	box-shadow: 0 40px 80px rgba(0,0,0,0.25);
	z-index: 100 !important;
}

/* Accent left stripe */
.csw-cert-card::before {
	content: '';
	position: absolute;
	left: 0;
	top: 0;
	bottom: 0;
	width: 5px;
	border-radius: var(--csw-radius) 0 0 var(--csw-radius);
	background: var(--card-accent, var(--csw-accent));
	z-index: 2;
}

/* ============================================================
   9. Card Interior
   ============================================================ */
.csw-card-inner {
	display: flex;
	flex-direction: column;
	height: 100%;
}

/* Header */
.csw-card-header {
	padding: 18px 18px 16px 22px;
	display: flex;
	align-items: center;
	justify-content: space-between;
	border-bottom: 1px solid var(--csw-border);
}

.csw-card-org {
	font-size: 10px;
	font-weight: 700;
	letter-spacing: 0.15em;
	text-transform: uppercase;
	color: var(--csw-ink-muted);
	margin-bottom: 2px;
}

.csw-card-company {
	font-size: 12px;
	font-weight: 700;
	color: var(--csw-ink);
}

.csw-card-seal {
	width: 42px;
	height: 42px;
	border-radius: 50%;
	display: flex;
	align-items: center;
	justify-content: center;
	font-size: 13px;
	font-weight: 800;
	flex-shrink: 0;
	background: color-mix(in srgb, var(--card-accent, var(--csw-accent)) 12%, white);
	color: var(--card-accent, var(--csw-accent));
}

/* Body */
.csw-card-body {
	padding: 20px 18px 16px 22px;
	flex: 1;
	display: flex;
	flex-direction: column;
}

.csw-card-cert-label {
	font-size: 10px;
	font-weight: 600;
	letter-spacing: 0.18em;
	text-transform: uppercase;
	color: var(--csw-ink-muted);
	margin-bottom: 6px;
}

.csw-card-cert-id {
	font-family: var(--csw-font-display);
	font-size: 24px;
	color: var(--card-accent, var(--csw-accent));
	line-height: 1.1;
	margin-bottom: 5px;
}

.csw-card-cert-name {
	font-size: 13px;
	color: var(--csw-ink-muted);
	margin-bottom: 20px;
}

.csw-card-scope {
	font-size: 11px;
	line-height: 1.75;
	color: var(--csw-ink-muted);
	flex: 1;
	border-top: 1px solid var(--csw-border);
	padding-top: 14px;
}

.csw-card-scope strong {
	display: block;
	font-size: 10px;
	letter-spacing: 0.12em;
	text-transform: uppercase;
	color: var(--csw-ink);
	margin-bottom: 6px;
	font-weight: 700;
}

/* Cert image (if provided) */
.csw-card-img {
	width: 100%;
	max-height: 80px;
	object-fit: contain;
	margin-bottom: 12px;
	border-radius: 4px;
}

/* Footer */
.csw-card-footer {
	padding: 12px 18px 14px 22px;
	border-top: 1px solid var(--csw-border);
	display: flex;
	justify-content: space-between;
	align-items: center;
}

.csw-card-date {
	font-size: 11px;
	color: var(--csw-ink-muted);
}

.csw-card-status {
	display: flex;
	align-items: center;
	gap: 5px;
	font-size: 11px;
	font-weight: 600;
	color: #2d7d46;
}

.csw-status-dot {
	width: 6px;
	height: 6px;
	border-radius: 50%;
	background: #2d7d46;
	animation: csw-pulse 2s ease-in-out infinite;
}

/* ============================================================
   10. Animations & Keyframes
   ============================================================ */
@keyframes csw-pulse {
	0%, 100% { opacity: 1; transform: scale(1); }
	50%       { opacity: 0.45; transform: scale(0.75); }
}

/* ============================================================
   11. Responsive
   ============================================================ */
@media (max-width: 1024px) {
	.csw-wrap {
		grid-template-columns: 320px 1fr;
		gap: 40px;
		padding: 60px 40px;
	}
}

@media (max-width: 768px) {
	.csw-wrap {
		grid-template-columns: 1fr;
		gap: 40px;
		padding: 48px 24px;
	}

	.csw-stack-area {
		height: 380px;
	}

	.csw-cert-card {
		width: 260px;
		height: 360px;
	}
}

@media (max-width: 480px) {
	.csw-wrap {
		padding: 36px 16px;
	}
}

/* ============================================================
   12. Image Card
   ============================================================ */

.csw-card--image {
	background: #1a1714;
}

/* Remove the default white bg override for image cards */
.csw-card--image .csw-image-card-inner {
	position: relative;
	width: 100%;
	height: 100%;
	display: flex;
	align-items: center;
	justify-content: center;
	overflow: hidden;
	border-radius: inherit;
}

/* Certificate photo */
.csw-image-card-photo {
	position: absolute;
	inset: 0;
	width: 100%;
	height: 100%;
	object-fit: cover; /* overridden inline by imageFit setting */
	display: block;
	border-radius: inherit;
	transition: transform 0.4s ease;
}

.csw-cert-card:hover .csw-image-card-photo {
	transform: scale(1.03);
}

/* Gradient + frosted label overlay at bottom */
.csw-image-card-overlay {
	position: absolute;
	bottom: 0;
	left: 0;
	right: 0;
	padding: 32px 16px 14px;
	background: linear-gradient(
		to top,
		rgba(0, 0, 0, 0.72) 0%,
		rgba(0, 0, 0, 0.35) 60%,
		transparent 100%
	);
	border-radius: 0 0 inherit inherit;
	display: flex;
	flex-direction: column;
	gap: 3px;
	/* Accent stripe sits on top via the ::before pseudo */
	padding-left: 18px;
}

.csw-image-card-label {
	font-family: var(--csw-font-body);
	font-size: 13px;
	font-weight: 600;
	color: #ffffff;
	line-height: 1.3;
	text-shadow: 0 1px 4px rgba(0,0,0,0.5);
}

.csw-image-card-id {
	font-family: var(--csw-font-body);
	font-size: 11px;
	font-weight: 400;
	color: rgba(255, 255, 255, 0.75);
	letter-spacing: 0.05em;
}

/* Accent stripe on image cards uses --card-accent */
.csw-card--image::before {
	z-index: 3;
}

/* ---- Placeholder (no image uploaded yet) ---- */
.csw-image-card-placeholder {
	background: linear-gradient(
		135deg,
		color-mix(in srgb, var(--card-accent, #c8392b) 8%, #f5f5f5),
		color-mix(in srgb, var(--card-accent, #c8392b) 4%, #efefef)
	);
	flex-direction: column;
	gap: 12px;
}

.csw-placeholder-icon {
	color: var(--card-accent, #c8392b);
	opacity: 0.5;
	margin-bottom: 4px;
}

.csw-placeholder-text {
	font-size: 12px;
	color: var(--csw-ink-muted);
	text-align: center;
	line-height: 1.6;
	margin: 0;
	padding: 0 20px;
}

.csw-image-card-placeholder .csw-image-card-overlay {
	background: linear-gradient(
		to top,
		rgba(0, 0, 0, 0.55) 0%,
		transparent 100%
	);
}