/*!
 * Estel Portfolio Showcase — Frontend Styles
 * Dark glassmorphism portfolio cards, brand palette:
 * Primary #2563EB / Secondary #60A5FA / Dark #111827
 */

.epsw-portfolio {
	--epsw-primary: #2563eb;
	--epsw-secondary: #60a5fa;
	--epsw-dark: #111827;
	--epsw-dark-2: #161f2e;
	--epsw-border: rgba(255, 255, 255, 0.08);
	--epsw-radius: 18px;
	--epsw-text: #e5e7eb;
	--epsw-text-muted: #9ca3af;
	--epsw-transition: 300ms cubic-bezier(0.4, 0, 0.2, 1);

	font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
	color: var(--epsw-text);
	box-sizing: border-box;
}

.epsw-portfolio *,
.epsw-portfolio *::before,
.epsw-portfolio *::after {
	box-sizing: border-box;
}

/* ---------------------------------------------------------------------- */
/* Filter bar                                                              */
/* ---------------------------------------------------------------------- */

.epsw-filter-bar {
	display: flex;
	flex-wrap: wrap;
	gap: 14px;
	margin-bottom: 32px;
	padding: 18px 20px;
	background: linear-gradient(145deg, rgba(17, 24, 39, 0.85), rgba(22, 31, 46, 0.85));
	border: 1px solid var(--epsw-border);
	border-radius: var(--epsw-radius);
	backdrop-filter: blur(14px);
	-webkit-backdrop-filter: blur(14px);
}

.epsw-filter-group {
	display: flex;
	flex-wrap: wrap;
	gap: 8px;
	align-items: center;
}

.epsw-filter-chip {
	appearance: none;
	border: 1px solid var(--epsw-border);
	background: rgba(255, 255, 255, 0.03);
	color: var(--epsw-text-muted);
	font-family: inherit;
	font-size: 13px;
	font-weight: 500;
	padding: 8px 16px;
	border-radius: 999px;
	cursor: pointer;
	transition: all var(--epsw-transition);
	white-space: nowrap;
}

.epsw-filter-chip:hover {
	color: #fff;
	border-color: var(--epsw-secondary);
	transform: translateY(-1px);
}

.epsw-filter-chip.is-active {
	background: linear-gradient(135deg, var(--epsw-primary), var(--epsw-secondary));
	color: #fff;
	border-color: transparent;
	box-shadow: 0 6px 18px rgba(37, 99, 235, 0.35);
}

/* ---------------------------------------------------------------------- */
/* Grid                                                                    */
/* ---------------------------------------------------------------------- */

.epsw-grid {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 26px;
}

.epsw-portfolio.epsw-columns-1 .epsw-grid { grid-template-columns: 1fr; }
.epsw-portfolio.epsw-columns-2 .epsw-grid { grid-template-columns: repeat(2, 1fr); }
.epsw-portfolio.epsw-columns-3 .epsw-grid { grid-template-columns: repeat(3, 1fr); }
.epsw-portfolio.epsw-columns-4 .epsw-grid { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 1024px) {
	.epsw-grid,
	.epsw-portfolio.epsw-columns-3 .epsw-grid,
	.epsw-portfolio.epsw-columns-4 .epsw-grid {
		grid-template-columns: repeat(2, 1fr);
	}
}

@media (max-width: 640px) {
	.epsw-grid,
	.epsw-portfolio.epsw-columns-2 .epsw-grid,
	.epsw-portfolio.epsw-columns-3 .epsw-grid,
	.epsw-portfolio.epsw-columns-4 .epsw-grid {
		grid-template-columns: 1fr;
	}
}

/* ---------------------------------------------------------------------- */
/* Card                                                                    */
/* ---------------------------------------------------------------------- */

.epsw-card {
	position: relative;
	background: linear-gradient(160deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.015));
	border: 1px solid var(--epsw-border);
	border-radius: var(--epsw-radius);
	overflow: hidden;
	backdrop-filter: blur(16px);
	-webkit-backdrop-filter: blur(16px);
	box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
	transition: transform var(--epsw-transition), box-shadow var(--epsw-transition), border-color var(--epsw-transition);
	opacity: 0;
	transform: translateY(18px);
	animation: epsw-fade-in 600ms ease forwards;
}

@keyframes epsw-fade-in {
	to {
		opacity: 1;
		transform: translateY(0);
	}
}

.epsw-card:hover {
	transform: translateY(-8px);
	border-color: rgba(96, 165, 250, 0.35);
	box-shadow: 0 22px 45px rgba(37, 99, 235, 0.22);
}

.epsw-card-media {
	position: relative;
	overflow: hidden;
	aspect-ratio: 16 / 10;
	background: var(--epsw-dark);
}

.epsw-card-image {
	width: 100%;
	height: 100%;
	object-fit: cover;
	display: block;
	transition: transform 500ms cubic-bezier(0.4, 0, 0.2, 1);
}

.epsw-card-image-placeholder {
	width: 100%;
	height: 100%;
	background: linear-gradient(135deg, var(--epsw-dark), var(--epsw-dark-2));
}

.epsw-card:hover .epsw-card-image {
	transform: scale(1.08);
}

.epsw-card-glow {
	position: absolute;
	inset: 0;
	background: radial-gradient(circle at 50% 120%, rgba(96, 165, 250, 0.35), transparent 60%);
	opacity: 0;
	transition: opacity var(--epsw-transition);
	pointer-events: none;
}

.epsw-card:hover .epsw-card-glow {
	opacity: 1;
}

.epsw-card-category {
	position: absolute;
	top: 14px;
	left: 14px;
	background: rgba(17, 24, 39, 0.72);
	border: 1px solid var(--epsw-border);
	backdrop-filter: blur(8px);
	color: var(--epsw-secondary);
	font-size: 11px;
	font-weight: 600;
	letter-spacing: 0.04em;
	text-transform: uppercase;
	padding: 5px 12px;
	border-radius: 999px;
}

.epsw-card-body {
	padding: 20px 22px 22px;
}

.epsw-card-title {
	margin: 0 0 8px;
	font-size: 18px;
	font-weight: 600;
	color: #fff;
	line-height: 1.35;
}

.epsw-card-desc {
	margin: 0 0 16px;
	font-size: 13.5px;
	line-height: 1.6;
	color: var(--epsw-text-muted);
}

.epsw-card-tech {
	display: flex;
	flex-wrap: wrap;
	gap: 8px;
	margin-bottom: 18px;
}

.epsw-tech-icon {
	width: 30px;
	height: 30px;
	border-radius: 9px;
	background: rgba(255, 255, 255, 0.04);
	border: 1px solid var(--epsw-border);
	display: flex;
	align-items: center;
	justify-content: center;
	transition: transform var(--epsw-transition), border-color var(--epsw-transition);
}

.epsw-tech-icon:hover {
	transform: translateY(-3px) scale(1.08);
	border-color: var(--epsw-secondary);
}

.epsw-tech-icon img {
	width: 16px;
	height: 16px;
	object-fit: contain;
}

.epsw-tech-fallback {
	font-size: 11px;
	font-weight: 700;
	color: var(--epsw-secondary);
}

.epsw-card-actions {
	display: flex;
	flex-wrap: wrap;
	gap: 10px;
}

/* ---------------------------------------------------------------------- */
/* Buttons                                                                 */
/* ---------------------------------------------------------------------- */

.epsw-btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 8px;
	padding: 10px 20px;
	font-size: 13.5px;
	font-weight: 600;
	border-radius: 999px;
	text-decoration: none;
	border: 1px solid transparent;
	cursor: pointer;
	transition: transform var(--epsw-transition), box-shadow var(--epsw-transition), background var(--epsw-transition), border-color var(--epsw-transition);
	font-family: inherit;
}

.epsw-btn-primary {
	background: linear-gradient(135deg, var(--epsw-primary), var(--epsw-secondary));
	color: #fff;
	box-shadow: 0 8px 20px rgba(37, 99, 235, 0.3);
}

.epsw-btn-primary:hover {
	transform: translateY(-2px);
	box-shadow: 0 12px 26px rgba(37, 99, 235, 0.4);
	color: #fff;
}

.epsw-btn-ghost {
	background: rgba(255, 255, 255, 0.03);
	color: var(--epsw-text);
	border-color: var(--epsw-border);
}

.epsw-btn-ghost:hover {
	border-color: var(--epsw-secondary);
	color: #fff;
	transform: translateY(-2px);
}

/* ---------------------------------------------------------------------- */
/* Load more + states                                                      */
/* ---------------------------------------------------------------------- */

.epsw-load-more-wrap {
	display: flex;
	justify-content: center;
	margin-top: 36px;
}

.epsw-load-more {
	position: relative;
	min-width: 160px;
}

.epsw-load-more .epsw-spinner {
	display: none;
	width: 14px;
	height: 14px;
	border-radius: 50%;
	border: 2px solid rgba(255, 255, 255, 0.4);
	border-top-color: #fff;
	animation: epsw-spin 700ms linear infinite;
}

.epsw-load-more.is-loading .epsw-btn-label {
	opacity: 0.6;
}

.epsw-load-more.is-loading .epsw-spinner {
	display: inline-block;
}

@keyframes epsw-spin {
	to { transform: rotate(360deg); }
}

.epsw-no-results {
	grid-column: 1 / -1;
	text-align: center;
	padding: 60px 20px;
	color: var(--epsw-text-muted);
	font-size: 14px;
}

.epsw-grid.is-filtering {
	opacity: 0.35;
	transition: opacity var(--epsw-transition);
	pointer-events: none;
}