/* ==========================================================================
   NDA Catalog Manager - Frontend Styles
   Premium industrial catalog UI, 100% vanilla CSS3.
   @since 1.0.0  @package NDA_Catalog_Manager
   ========================================================================== */

/* ---------- Root tokens (colors are injected via inline CSS) ---------- */
:root {
	--nda-primary: #0e2340;
	--nda-primary-rgb: 14, 35, 64;
	--nda-secondary: #2e6bff;
	--nda-secondary-rgb: 46, 107, 255;
	--nda-accent: #ff8a00;
	--nda-accent-rgb: 255, 138, 0;
	--nda-radius: 14px;
	--nda-speed: 0.4s;
	--nda-cols: 3;
	--nda-font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
	--nda-shadow-sm: 0 4px 14px rgba(var(--nda-primary-rgb), 0.08);
	--nda-shadow-md: 0 12px 34px rgba(var(--nda-primary-rgb), 0.16);
	--nda-shadow-lg: 0 24px 64px rgba(var(--nda-primary-rgb), 0.24);
	--nda-ring: 0 0 0 4px rgba(var(--nda-secondary-rgb), 0.22);
}

.nda-screen-reader-text {
	position: absolute !important;
	width: 1px;
	height: 1px;
	padding: 0;
	margin: -1px;
	overflow: hidden;
	clip: rect(0 0 0 0);
	white-space: nowrap;
	border: 0;
}

.nda-manager *,
.nda-manager *::before,
.nda-manager *::after {
	box-sizing: border-box;
}

.nda-icon {
	display: inline-block;
	vertical-align: middle;
	flex-shrink: 0;
}

.nda-manager {
	font-family: var(--nda-font);
	color: var(--nda-primary);
	-webkit-font-smoothing: antialiased;
}

/* ==========================================================================
   1. Toolbar / Filters
   ========================================================================== */

.nda-toolbar {
	display: flex;
	flex-wrap: wrap;
	gap: 14px;
	align-items: center;
	background: #ffffff;
	border: 1px solid rgba(var(--nda-primary-rgb), 0.08);
	border-radius: var(--nda-radius);
	padding: 18px;
	box-shadow: var(--nda-shadow-sm);
	margin-bottom: 18px;
}

.nda-toolbar-item {
	min-width: 170px;
	flex: 1 1 auto;
}

.nda-toolbar-search {
	min-width: 260px;
	flex: 2 1 320px;
}

.nda-search-box {
	position: relative;
}

.nda-search-box > .nda-icon {
	position: absolute;
	left: 14px;
	top: 50%;
	transform: translateY(-50%);
	width: 18px;
	height: 18px;
	color: rgba(var(--nda-primary-rgb), 0.45);
	pointer-events: none;
}

.nda-search {
	width: 100%;
	padding: 12px 44px 12px 42px;
	border: 1.5px solid rgba(var(--nda-primary-rgb), 0.14);
	border-radius: calc(var(--nda-radius) - 4px);
	background: #f8fafd;
	font-size: 15px;
	color: var(--nda-primary);
	outline: none;
	transition: border-color var(--nda-speed), box-shadow var(--nda-speed), background var(--nda-speed);
}

.nda-search:focus {
	border-color: var(--nda-secondary);
	background: #ffffff;
	box-shadow: var(--nda-ring);
}

.nda-search-clear {
	position: absolute;
	right: 8px;
	top: 50%;
	transform: translateY(-50%);
	border: 0;
	background: rgba(var(--nda-primary-rgb), 0.08);
	color: var(--nda-primary);
	width: 28px;
	height: 28px;
	border-radius: 50%;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	cursor: pointer;
	transition: background var(--nda-speed), transform var(--nda-speed);
}

.nda-search-clear:hover {
	background: rgba(var(--nda-accent-rgb), 0.18);
	transform: translateY(-50%) rotate(90deg);
}

.nda-search-clear .nda-icon {
	width: 14px;
	height: 14px;
}

.nda-filter {
	width: 100%;
	padding: 12px 14px;
	border: 1.5px solid rgba(var(--nda-primary-rgb), 0.14);
	border-radius: calc(var(--nda-radius) - 4px);
	background: #f8fafd;
	font-size: 14px;
	color: var(--nda-primary);
	outline: none;
	cursor: pointer;
	appearance: none;
	-webkit-appearance: none;
	background-image: linear-gradient(45deg, transparent 50%, rgba(var(--nda-primary-rgb), 0.55) 50%), linear-gradient(135deg, rgba(var(--nda-primary-rgb), 0.55) 50%, transparent 50%);
	background-position: calc(100% - 18px) 55%, calc(100% - 13px) 55%;
	background-size: 5px 5px;
	background-repeat: no-repeat;
	transition: border-color var(--nda-speed), box-shadow var(--nda-speed), background var(--nda-speed);
}

.nda-filter:focus {
	border-color: var(--nda-secondary);
	box-shadow: var(--nda-ring);
}

.nda-btn-clear {
	display: inline-flex;
	align-items: center;
	gap: 8px;
	padding: 11px 18px;
	border: 1.5px solid rgba(var(--nda-primary-rgb), 0.16);
	border-radius: calc(var(--nda-radius) - 4px);
	background: #ffffff;
	color: var(--nda-primary);
	font-size: 14px;
	font-weight: 600;
	cursor: pointer;
	transition: all var(--nda-speed);
}

.nda-btn-clear:hover {
	border-color: var(--nda-accent);
	color: var(--nda-accent);
	background: rgba(var(--nda-accent-rgb), 0.07);
}

.nda-btn-clear .nda-icon {
	width: 14px;
	height: 14px;
}

.nda-btn-clear[hidden] {
	display: none;
}

/* ==========================================================================
   2. Results bar
   ========================================================================== */

.nda-results-bar {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 12px;
	margin-bottom: 20px;
	font-size: 14px;
	color: rgba(var(--nda-primary-rgb), 0.6);
}

.nda-count {
	font-weight: 600;
	color: var(--nda-primary);
}

.nda-current-sort::before {
	content: "";
}

/* ==========================================================================
   3. Card grid
   ========================================================================== */

.nda-cards {
	display: grid;
	grid-template-columns: repeat(var(--nda-cols), minmax(0, 1fr));
	gap: 28px;
	margin-bottom: 12px;
}

.nda-cards-related {
	grid-template-columns: repeat(3, minmax(0, 1fr));
}

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

.nda-card {
	position: relative;
	display: flex;
	flex-direction: column;
	background: #ffffff;
	border-radius: var(--nda-radius);
	overflow: hidden;
	border: 1px solid rgba(var(--nda-primary-rgb), 0.08);
	box-shadow: var(--nda-shadow-sm);
	opacity: 0;
	transform: translateY(26px);
	animation: ndaCardIn 0.7s cubic-bezier(0.22, 0.85, 0.35, 1) forwards;
	animation-delay: var(--d, 0ms);
	transition: transform 0.45s cubic-bezier(0.22, 0.85, 0.35, 1), box-shadow 0.45s ease, border-color 0.45s ease;
}

/* Animated gradient border */
.nda-card::before {
	content: "";
	position: absolute;
	inset: 0;
	z-index: 3;
	pointer-events: none;
	border-radius: inherit;
	padding: 1.5px;
	background: linear-gradient(120deg, transparent 20%, rgba(var(--nda-secondary-rgb), 0.55), rgba(var(--nda-accent-rgb), 0.55), transparent 80%);
	background-size: 300% 300%;
	-webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
	-webkit-mask-composite: xor;
	mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
	mask-composite: exclude;
	opacity: 0;
	transition: opacity 0.5s ease;
}

@keyframes ndaCardIn {
	from {
		opacity: 0;
		transform: translateY(26px);
	}
	to {
		opacity: 1;
		transform: translateY(0);
	}
}

.nda-card:hover {
	transform: translateY(-8px);
	box-shadow: var(--nda-shadow-lg);
	border-color: rgba(var(--nda-secondary-rgb), 0.35);
}

.nda-card:hover::before {
	opacity: 1;
	animation: ndaBorderFlow 3.2s linear infinite;
}

@keyframes ndaBorderFlow {
	0% { background-position: 0% 50%; }
	100% { background-position: 300% 50%; }
}

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

.nda-card-media {
	position: relative;
	display: block;
	aspect-ratio: 16 / 10;
	overflow: hidden;
	background: linear-gradient(135deg, rgba(var(--nda-primary-rgb), 0.06), rgba(var(--nda-secondary-rgb), 0.1));
}

.nda-card-img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	display: block;
	transition: transform 0.7s cubic-bezier(0.22, 0.85, 0.35, 1);
	will-change: transform;
}

.nda-card:hover .nda-card-img {
	transform: scale(1.09);
}

.nda-card-icon-img {
	object-fit: contain;
	padding: 26px;
}

.nda-card-placeholder {
	position: absolute;
	inset: 0;
	display: flex;
	align-items: center;
	justify-content: center;
	color: rgba(var(--nda-primary-rgb), 0.25);
}

.nda-card-placeholder .nda-icon {
	width: 64px;
	height: 64px;
}

.nda-card-shade {
	position: absolute;
	inset: 0;
	background: linear-gradient(180deg, rgba(var(--nda-primary-rgb), 0) 45%, rgba(var(--nda-primary-rgb), 0.42));
	opacity: 0.7;
	transition: opacity var(--nda-speed);
}

.nda-card:hover .nda-card-shade {
	opacity: 1;
}

.nda-card-zoom {
	position: absolute;
	right: 16px;
	bottom: 16px;
	width: 42px;
	height: 42px;
	border-radius: 50%;
	background: rgba(255, 255, 255, 0.16);
	backdrop-filter: blur(8px);
	-webkit-backdrop-filter: blur(8px);
	display: flex;
	align-items: center;
	justify-content: center;
	color: #ffffff;
	opacity: 0;
	transform: translateY(12px) scale(0.85);
	transition: opacity var(--nda-speed), transform var(--nda-speed);
}

.nda-card-zoom .nda-icon {
	width: 18px;
	height: 18px;
}

.nda-card:hover .nda-card-zoom {
	opacity: 1;
	transform: translateY(0) scale(1);
}

/* Badges */

.nda-badge {
	display: inline-flex;
	align-items: center;
	gap: 6px;
	position: absolute;
	top: 14px;
	left: 14px;
	z-index: 4;
	padding: 6px 12px;
	border-radius: 999px;
	font-size: 11px;
	font-weight: 800;
	letter-spacing: 0.09em;
	color: #ffffff;
	box-shadow: 0 6px 18px rgba(var(--nda-primary-rgb), 0.3);
	animation: ndaBadgePop 0.6s cubic-bezier(0.34, 1.56, 0.64, 1) 0.35s backwards;
}

@keyframes ndaBadgePop {
	from {
		opacity: 0;
		transform: scale(0.5) translateY(-8px);
	}
	to {
		opacity: 1;
		transform: scale(1) translateY(0);
	}
}

.nda-badge-new {
	background: linear-gradient(135deg, #22c55e, #0e9f6e);
}

.nda-badge-hot {
	background: linear-gradient(135deg, #f97316, #dc2626);
}

.nda-badge-featured {
	background: linear-gradient(135deg, var(--nda-secondary), #7c3aed);
}

.nda-badge-featured .nda-icon {
	width: 12px;
	height: 12px;
	fill: currentColor;
}

.nda-featured-ribbon {
	position: absolute;
	top: 0;
	right: 0;
	z-index: 4;
	width: 0;
	height: 0;
	border-style: solid;
	border-width: 0 52px 52px 0;
	border-color: transparent var(--nda-accent) transparent transparent;
	opacity: 0.92;
}

.nda-featured-ribbon .nda-icon {
	position: absolute;
	top: 9px;
	right: 6px;
	width: 15px;
	height: 15px;
	color: #ffffff;
	fill: currentColor;
	animation: ndaStarPulse 2.4s ease-in-out infinite;
}

@keyframes ndaStarPulse {
	0%, 100% { transform: scale(1); }
	50% { transform: scale(1.22); }
}

.nda-card-category {
	position: absolute;
	bottom: 14px;
	left: 14px;
	z-index: 4;
	display: inline-flex;
	align-items: center;
	gap: 6px;
	padding: 6px 12px;
	border-radius: 999px;
	background: rgba(255, 255, 255, 0.94);
	color: var(--nda-primary);
	font-size: 12px;
	font-weight: 700;
	box-shadow: var(--nda-shadow-sm);
	backdrop-filter: blur(6px);
	-webkit-backdrop-filter: blur(6px);
}

.nda-card-category .nda-icon {
	width: 13px;
	height: 13px;
	color: var(--nda-secondary);
}

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

.nda-card-body {
	display: flex;
	flex-direction: column;
	flex: 1;
	padding: 20px 20px 22px;
}

.nda-card-meta {
	display: flex;
	flex-wrap: wrap;
	gap: 8px;
	margin-bottom: 12px;
}

.nda-chip {
	display: inline-flex;
	align-items: center;
	gap: 5px;
	padding: 4px 10px;
	border-radius: 8px;
	background: rgba(var(--nda-secondary-rgb), 0.08);
	color: var(--nda-secondary);
	font-size: 12px;
	font-weight: 600;
	white-space: nowrap;
}

.nda-chip .nda-icon {
	width: 13px;
	height: 13px;
}

.nda-card-title {
	margin: 0 0 8px;
	font-size: 18px;
	line-height: 1.35;
	font-weight: 700;
}

.nda-card-title a {
	color: var(--nda-primary);
	text-decoration: none;
	background-image: linear-gradient(currentColor, currentColor);
	background-size: 0% 2px;
	background-position: 0 100%;
	background-repeat: no-repeat;
	transition: background-size 0.45s ease, color var(--nda-speed);
}

.nda-card-title a:hover {
	color: var(--nda-secondary);
	background-size: 100% 2px;
}

.nda-card-desc {
	margin: 0 0 18px;
	font-size: 14px;
	line-height: 1.65;
	color: rgba(var(--nda-primary-rgb), 0.66);
	display: -webkit-box;
	-webkit-line-clamp: 2;
	-webkit-box-orient: vertical;
	overflow: hidden;
}

.nda-card-actions {
	display: flex;
	gap: 10px;
	margin-top: auto;
}

/* ==========================================================================
   4. Buttons
   ========================================================================== */

.nda-btn {
	position: relative;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 9px;
	padding: 12px 20px;
	border: 0;
	border-radius: calc(var(--nda-radius) - 4px);
	font-family: var(--nda-font);
	font-size: 14px;
	font-weight: 700;
	line-height: 1;
	text-decoration: none;
	cursor: pointer;
	overflow: hidden;
	transition: transform 0.25s ease, box-shadow 0.3s ease, background 0.3s ease, color 0.3s ease, border-color 0.3s ease;
	-webkit-tap-highlight-color: transparent;
}

.nda-btn .nda-icon {
	width: 16px;
	height: 16px;
	flex-shrink: 0;
}

.nda-btn:hover {
	transform: translateY(-2px);
}

.nda-btn:active {
	transform: translateY(0) scale(0.97);
}

.nda-btn:focus-visible {
	outline: none;
	box-shadow: var(--nda-ring);
}

.nda-btn-block {
	width: 100%;
}

/* Gradient */
.nda-btn-gradient,
.nda-btn-primary {
	background: linear-gradient(120deg, var(--nda-secondary), #7c3aed 60%, var(--nda-secondary));
	background-size: 200% 200%;
	color: #ffffff;
	box-shadow: 0 10px 24px rgba(var(--nda-secondary-rgb), 0.35);
}

.nda-btn-gradient:hover,
.nda-btn-primary:hover {
	background-position: 100% 50%;
	box-shadow: 0 16px 34px rgba(var(--nda-secondary-rgb), 0.45);
}

/* Solid */
.nda-btn-solid {
	background: var(--nda-primary);
	color: #ffffff;
	box-shadow: 0 10px 24px rgba(var(--nda-primary-rgb), 0.3);
}

.nda-btn-solid:hover {
	background: #16294a;
	box-shadow: 0 16px 34px rgba(var(--nda-primary-rgb), 0.4);
}

/* Outline */
.nda-btn-outline {
	background: transparent;
	color: var(--nda-primary);
	border: 1.5px solid rgba(var(--nda-primary-rgb), 0.35);
}

.nda-btn-outline:hover {
	border-color: var(--nda-secondary);
	color: var(--nda-secondary);
	background: rgba(var(--nda-secondary-rgb), 0.06);
}

/* Soft */
.nda-btn-soft {
	background: rgba(var(--nda-secondary-rgb), 0.12);
	color: var(--nda-secondary);
}

.nda-btn-soft:hover {
	background: rgba(var(--nda-secondary-rgb), 0.2);
}

/* Ghost */
.nda-btn-ghost {
	background: rgba(var(--nda-primary-rgb), 0.06);
	color: var(--nda-primary);
}

.nda-btn-ghost:hover {
	background: rgba(var(--nda-primary-rgb), 0.12);
}

/* Icon only */
.nda-btn-icon-only {
	width: 46px;
	height: 46px;
	padding: 0;
	flex-shrink: 0;
}

/* Shine sweep */
.nda-btn-gradient::after,
.nda-btn-solid::after {
	content: "";
	position: absolute;
	top: 0;
	left: -80%;
	width: 60%;
	height: 100%;
	background: linear-gradient(100deg, transparent, rgba(255, 255, 255, 0.35), transparent);
	transform: skewX(-20deg);
	transition: left 0.6s ease;
}

.nda-btn-gradient:hover::after,
.nda-btn-solid:hover::after {
	left: 120%;
}

/* Ripple */
.nda-ripple {
	position: absolute;
	border-radius: 50%;
	background: rgba(255, 255, 255, 0.45);
	transform: scale(0);
	animation: ndaRipple 0.65s ease-out forwards;
	pointer-events: none;
}

@keyframes ndaRipple {
	to {
		transform: scale(4);
		opacity: 0;
	}
}

/* ==========================================================================
   5. Pagination
   ========================================================================== */

.nda-pagination {
	display: flex;
	justify-content: center;
	margin-top: 30px;
}

.nda-pagination-inner {
	display: flex;
	justify-content: center;
}

.nda-load-more {
	min-width: 240px;
}

.nda-load-more .nda-icon {
	transition: transform 0.3s ease;
}

.nda-load-more:hover .nda-icon {
	transform: translateY(3px);
}

.nda-load-more.is-loading .nda-icon {
	animation: ndaSpin 0.9s linear infinite;
}

@keyframes ndaSpin {
	to { transform: rotate(360deg); }
}

/* Numbered pagination */

.nda-pagination .page-numbers {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	min-width: 44px;
	height: 44px;
	margin: 0 4px;
	padding: 0 12px;
	border-radius: calc(var(--nda-radius) - 6px);
	border: 1.5px solid rgba(var(--nda-primary-rgb), 0.14);
	background: #ffffff;
	color: var(--nda-primary);
	font-size: 14px;
	font-weight: 600;
	text-decoration: none;
	transition: all var(--nda-speed);
}

.nda-pagination .page-numbers .nda-icon {
	width: 15px;
	height: 15px;
}

.nda-pagination .page-numbers:hover {
	border-color: var(--nda-secondary);
	color: var(--nda-secondary);
	transform: translateY(-2px);
	box-shadow: var(--nda-shadow-sm);
}

.nda-pagination .page-numbers.current {
	background: linear-gradient(120deg, var(--nda-secondary), #7c3aed);
	border-color: transparent;
	color: #ffffff;
	box-shadow: 0 10px 22px rgba(var(--nda-secondary-rgb), 0.35);
}

.nda-pagination .page-numbers.dots {
	border: 0;
	background: none;
}

.nda-pagination .page-numbers.prev.disabled,
.nda-pagination .page-numbers.next.disabled {
	opacity: 0.4;
	pointer-events: none;
}

/* ==========================================================================
   6. Skeleton loading
   ========================================================================== */

.nda-skeleton-card {
	background: #ffffff;
	border-radius: var(--nda-radius);
	border: 1px solid rgba(var(--nda-primary-rgb), 0.08);
	overflow: hidden;
	padding-bottom: 18px;
}

.nda-sk {
	display: block;
	background: linear-gradient(90deg, rgba(var(--nda-primary-rgb), 0.06) 25%, rgba(var(--nda-primary-rgb), 0.13) 50%, rgba(var(--nda-primary-rgb), 0.06) 75%);
	background-size: 400% 100%;
	animation: ndaShimmer 1.4s ease-in-out infinite;
	border-radius: 8px;
}

@keyframes ndaShimmer {
	0% { background-position: 100% 50%; }
	100% { background-position: 0 50%; }
}

.nda-sk-media {
	width: 100%;
	aspect-ratio: 16 / 10;
	border-radius: 0 0 10px 10px;
}

.nda-sk-line {
	height: 13px;
	margin: 14px 18px 0;
}

.nda-sk-line.w60 { width: 60%; }
.nda-sk-line.w40 { width: 40%; }

.nda-sk-btn {
	height: 40px;
	margin: 18px 18px 0;
}

/* ==========================================================================
   7. Empty state
   ========================================================================== */

.nda-empty {
	text-align: center;
	padding: 70px 20px;
	background: #ffffff;
	border: 1px dashed rgba(var(--nda-primary-rgb), 0.18);
	border-radius: var(--nda-radius);
}

.nda-empty-icon {
	width: 76px;
	height: 76px;
	margin: 0 auto 20px;
	display: flex;
	align-items: center;
	justify-content: center;
	border-radius: 50%;
	background: rgba(var(--nda-secondary-rgb), 0.1);
	color: var(--nda-secondary);
	animation: ndaFloat 3.5s ease-in-out infinite;
}

.nda-empty-icon .nda-icon {
	width: 32px;
	height: 32px;
}

@keyframes ndaFloat {
	0%, 100% { transform: translateY(0); }
	50% { transform: translateY(-8px); }
}

.nda-empty h3 {
	margin: 0 0 8px;
	font-size: 20px;
}

.nda-empty p {
	margin: 0 0 22px;
	color: rgba(var(--nda-primary-rgb), 0.6);
}

/* ==========================================================================
   8. Single catalog
   ========================================================================== */

.nda-single {
	max-width: 1180px;
	margin: 0 auto;
	padding: 30px 20px 70px;
}

/* Breadcrumb */

.nda-breadcrumb ol {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 7px;
	list-style: none;
	margin: 0 0 24px;
	padding: 0;
	font-size: 13px;
}

.nda-breadcrumb li {
	display: inline-flex;
	align-items: center;
	gap: 7px;
	color: rgba(var(--nda-primary-rgb), 0.5);
}

.nda-breadcrumb a {
	color: rgba(var(--nda-primary-rgb), 0.6);
	text-decoration: none;
	transition: color var(--nda-speed);
}

.nda-breadcrumb a:hover {
	color: var(--nda-secondary);
}

.nda-breadcrumb .nda-icon {
	width: 12px;
	height: 12px;
}

.nda-breadcrumb span[aria-current] {
	color: var(--nda-primary);
	font-weight: 600;
}

/* Header */

.nda-single-header {
	display: flex;
	align-items: flex-end;
	justify-content: space-between;
	gap: 24px;
	flex-wrap: wrap;
	margin-bottom: 30px;
}

.nda-single-badges {
	display: flex;
	gap: 10px;
	margin-bottom: 14px;
}

.nda-single-title {
	margin: 0 0 16px;
	font-size: clamp(28px, 4vw, 42px);
	line-height: 1.15;
	font-weight: 800;
	letter-spacing: -0.02em;
}

.nda-single-meta {
	display: flex;
	flex-wrap: wrap;
	gap: 8px;
}

.nda-single-cta {
	display: flex;
	gap: 12px;
	flex-wrap: wrap;
}

/* Layout */

.nda-single-layout {
	display: grid;
	grid-template-columns: minmax(0, 1fr) 320px;
	gap: 34px;
	align-items: start;
}

.nda-single-main {
	min-width: 0;
}

/* Cover */

.nda-cover {
	position: relative;
	margin: 0 0 26px;
	border-radius: var(--nda-radius);
	overflow: hidden;
	box-shadow: var(--nda-shadow-md);
	border: 1px solid rgba(var(--nda-primary-rgb), 0.08);
}

.nda-cover-img {
	width: 100%;
	height: auto;
	display: block;
	aspect-ratio: 16 / 8;
	object-fit: cover;
}

.nda-cover-placeholder {
	display: flex;
	align-items: center;
	justify-content: center;
	min-height: 320px;
	background: linear-gradient(135deg, rgba(var(--nda-primary-rgb), 0.07), rgba(var(--nda-secondary-rgb), 0.12));
	color: rgba(var(--nda-primary-rgb), 0.3);
}

.nda-cover-placeholder .nda-icon {
	width: 90px;
	height: 90px;
}

.nda-cover-shade {
	position: absolute;
	inset: 0;
	background: linear-gradient(180deg, transparent 60%, rgba(var(--nda-primary-rgb), 0.35));
	pointer-events: none;
}

/* Gallery */

.nda-gallery {
	display: flex;
	flex-wrap: wrap;
	gap: 12px;
	margin-bottom: 28px;
}

.nda-gallery-thumb {
	position: relative;
	width: 96px;
	height: 68px;
	padding: 0;
	border: 2px solid transparent;
	border-radius: 10px;
	overflow: hidden;
	cursor: zoom-in;
	transition: border-color var(--nda-speed), transform var(--nda-speed), box-shadow var(--nda-speed);
}

.nda-gallery-thumb img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	display: block;
	transition: transform 0.5s ease;
}

.nda-gallery-thumb:hover {
	border-color: var(--nda-secondary);
	transform: translateY(-3px);
	box-shadow: var(--nda-shadow-md);
}

.nda-gallery-thumb:hover img {
	transform: scale(1.12);
}

/* Description */

.nda-single-desc {
	margin-bottom: 30px;
}

.nda-single-desc h2,
.nda-section-heading h2,
.nda-panel-box-title {
	display: flex;
	align-items: center;
	gap: 10px;
	margin: 0 0 16px;
	font-size: 22px;
	font-weight: 700;
}

.nda-single-desc h2 .nda-icon,
.nda-section-heading h2 .nda-icon {
	width: 22px;
	height: 22px;
	color: var(--nda-secondary);
}

.nda-single-content {
	font-size: 16px;
	line-height: 1.8;
	color: rgba(var(--nda-primary-rgb), 0.82);
}

.nda-single-content > :first-child {
	margin-top: 0;
}

.nda-single-content img {
	max-width: 100%;
	height: auto;
	border-radius: calc(var(--nda-radius) - 4px);
}

/* Tags */

.nda-single-tags {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 9px;
	margin-bottom: 30px;
}

.nda-tags-label {
	display: inline-flex;
	align-items: center;
	gap: 6px;
	font-size: 14px;
	font-weight: 700;
}

.nda-tags-label .nda-icon {
	width: 15px;
	height: 15px;
	color: var(--nda-secondary);
}

.nda-tag-pill {
	padding: 6px 13px;
	border-radius: 999px;
	background: rgba(var(--nda-primary-rgb), 0.06);
	color: var(--nda-primary);
	font-size: 13px;
	font-weight: 600;
	text-decoration: none;
	transition: all var(--nda-speed);
}

.nda-tag-pill:hover {
	background: var(--nda-secondary);
	color: #ffffff;
	transform: translateY(-2px);
	box-shadow: 0 8px 18px rgba(var(--nda-secondary-rgb), 0.3);
}

/* Sidebar */

.nda-panel-box {
	background: #ffffff;
	border: 1px solid rgba(var(--nda-primary-rgb), 0.09);
	border-radius: var(--nda-radius);
	box-shadow: var(--nda-shadow-sm);
	padding: 22px;
	margin-bottom: 22px;
}

.nda-panel-box-title {
	font-size: 16px;
	margin-bottom: 16px;
}

.nda-panel-box-title .nda-icon {
	width: 18px;
	height: 18px;
	color: var(--nda-secondary);
}

.nda-pdf-card-meta {
	display: flex;
	flex-direction: column;
	gap: 8px;
	margin-bottom: 18px;
	font-size: 13.5px;
	color: rgba(var(--nda-primary-rgb), 0.6);
}

.nda-pdf-card-meta strong {
	color: var(--nda-primary);
}

/* Share buttons */

.nda-share {
	display: flex;
	flex-wrap: wrap;
	gap: 9px;
	align-items: center;
}

.nda-share-label {
	font-size: 13px;
	font-weight: 700;
	width: 100%;
	margin-bottom: 2px;
}

.nda-share-btn {
	width: 40px;
	height: 40px;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	border-radius: 11px;
	border: 1px solid rgba(var(--nda-primary-rgb), 0.12);
	background: #f8fafd;
	color: var(--nda-primary);
	text-decoration: none;
	cursor: pointer;
	transition: all 0.3s ease;
}

.nda-share-btn .nda-icon {
	width: 17px;
	height: 17px;
}

.nda-share-btn:hover {
	transform: translateY(-3px);
	box-shadow: var(--nda-shadow-md);
}

.nda-share-facebook:hover {
	background: #1877f2;
	border-color: #1877f2;
	color: #ffffff;
}

.nda-share-twitter:hover {
	background: #000000;
	border-color: #000000;
	color: #ffffff;
}

.nda-share-linkedin:hover {
	background: #0a66c2;
	border-color: #0a66c2;
	color: #ffffff;
}

.nda-share-whatsapp:hover {
	background: #25d366;
	border-color: #25d366;
	color: #ffffff;
}

.nda-share-pinterest:hover {
	background: #e60023;
	border-color: #e60023;
	color: #ffffff;
}

.nda-share-email:hover {
	background: var(--nda-accent);
	border-color: var(--nda-accent);
	color: #ffffff;
}

.nda-share-copy:hover {
	background: var(--nda-secondary);
	border-color: var(--nda-secondary);
	color: #ffffff;
}

/* Section headings */

.nda-section-heading {
	margin: 44px 0 22px;
}

.nda-section-heading p {
	margin: 4px 0 0;
	color: rgba(var(--nda-primary-rgb), 0.55);
}

/* Prev / next */

.nda-prev-next {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 16px;
	margin-top: 44px;
}

.nda-pn {
	display: flex;
	align-items: center;
	gap: 14px;
	padding: 18px 20px;
	background: #ffffff;
	border: 1px solid rgba(var(--nda-primary-rgb), 0.09);
	border-radius: var(--nda-radius);
	box-shadow: var(--nda-shadow-sm);
	text-decoration: none;
	transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.nda-pn:hover {
	transform: translateY(-3px);
	box-shadow: var(--nda-shadow-md);
	border-color: rgba(var(--nda-secondary-rgb), 0.4);
}

.nda-pn-next {
	text-align: right;
	justify-content: flex-end;
}

.nda-pn-icon {
	width: 42px;
	height: 42px;
	flex-shrink: 0;
	display: flex;
	align-items: center;
	justify-content: center;
	border-radius: 50%;
	background: rgba(var(--nda-secondary-rgb), 0.1);
	color: var(--nda-secondary);
	transition: background var(--nda-speed);
}

.nda-pn:hover .nda-pn-icon {
	background: var(--nda-secondary);
	color: #ffffff;
}

.nda-pn-icon .nda-icon {
	width: 17px;
	height: 17px;
}

.nda-pn-text {
	display: flex;
	flex-direction: column;
	gap: 3px;
	min-width: 0;
}

.nda-pn-text small {
	font-size: 12px;
	color: rgba(var(--nda-primary-rgb), 0.5);
}

.nda-pn-text strong {
	font-size: 14.5px;
	color: var(--nda-primary);
	white-space: nowrap;
	overflow: hidden;
	text-overflow: ellipsis;
}

/* ==========================================================================
   9. PDF viewer
   ========================================================================== */

.nda-pdf {
	background: #ffffff;
	border: 1px solid rgba(var(--nda-primary-rgb), 0.1);
	border-radius: var(--nda-radius);
	box-shadow: var(--nda-shadow-md);
	overflow: hidden;
}

.nda-pdf-toolbar {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 12px;
	flex-wrap: wrap;
	padding: 12px 16px;
	background: linear-gradient(120deg, var(--nda-primary), #16294a);
	color: #ffffff;
}

.nda-pdf-title {
	display: inline-flex;
	align-items: center;
	gap: 10px;
	font-size: 14px;
	font-weight: 700;
	min-width: 0;
}

.nda-pdf-title .nda-icon {
	width: 17px;
	height: 17px;
	color: rgba(255, 255, 255, 0.75);
	flex-shrink: 0;
}

.nda-pdf-title span {
	white-space: nowrap;
	overflow: hidden;
	text-overflow: ellipsis;
	max-width: 320px;
}

.nda-pdf-tools {
	display: inline-flex;
	align-items: center;
	gap: 6px;
}

.nda-pdf-btn {
	width: 38px;
	height: 38px;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	border: 0;
	border-radius: 10px;
	background: rgba(255, 255, 255, 0.1);
	color: #ffffff;
	cursor: pointer;
	text-decoration: none;
	transition: background var(--nda-speed), transform var(--nda-speed);
}

.nda-pdf-btn .nda-icon {
	width: 16px;
	height: 16px;
}

.nda-pdf-btn:hover {
	background: rgba(255, 255, 255, 0.24);
	transform: translateY(-2px);
}

.nda-pdf-zoom-value {
	min-width: 46px;
	text-align: center;
	font-size: 13px;
	font-weight: 700;
	font-variant-numeric: tabular-nums;
}

.nda-pdf-stage {
	position: relative;
	background: #f1f4f8;
	height: 640px;
	overflow: hidden;
}

.nda-pdf-zoom {
	height: 100%;
	transform-origin: top center;
	transition: transform 0.18s ease;
}

.nda-pdf-frame {
	width: 100%;
	height: 100%;
	border: 0;
	display: block;
	background: #ffffff;
}

.nda-pdf-loading {
	position: absolute;
	inset: 0;
	display: flex;
	flex-direction: column;
	gap: 14px;
	align-items: center;
	justify-content: center;
	color: rgba(var(--nda-primary-rgb), 0.5);
	font-size: 14px;
	font-weight: 600;
}

.nda-pdf-spinner {
	width: 38px;
	height: 38px;
	border: 3.5px solid rgba(var(--nda-secondary-rgb), 0.18);
	border-top-color: var(--nda-secondary);
	border-radius: 50%;
	animation: ndaSpin 0.8s linear infinite;
}

.nda-pdf:not(.is-loaded) .nda-pdf-frame {
	opacity: 0;
}

.nda-pdf.is-loaded .nda-pdf-frame {
	opacity: 1;
	transition: opacity 0.4s ease;
}

.nda-pdf.is-loaded .nda-pdf-loading {
	display: none;
}

.nda-pdf.is-fullscreen {
	position: fixed;
	inset: 0;
	z-index: 999999;
	border-radius: 0;
	border: 0;
}

.nda-pdf.is-fullscreen .nda-pdf-stage {
	height: calc(100vh - 62px);
}

/* ==========================================================================
   10. Modal (PDF) & Lightbox
   ========================================================================== */

.nda-modal {
	position: fixed;
	inset: 0;
	z-index: 999990;
	display: flex;
	align-items: center;
	justify-content: center;
	padding: 20px;
}

.nda-modal[hidden] {
	display: none;
}

.nda-modal-backdrop {
	position: absolute;
	inset: 0;
	background: rgba(var(--nda-primary-rgb), 0.72);
	backdrop-filter: blur(6px);
	-webkit-backdrop-filter: blur(6px);
	animation: ndaFade 0.3s ease;
}

@keyframes ndaFade {
	from { opacity: 0; }
	to { opacity: 1; }
}

.nda-modal-box {
	position: relative;
	width: min(1080px, 96vw);
	height: 90vh;
	background: #ffffff;
	border-radius: var(--nda-radius);
	overflow: hidden;
	box-shadow: 0 40px 90px rgba(0, 0, 0, 0.45);
	animation: ndaModalIn 0.35s cubic-bezier(0.22, 0.85, 0.35, 1);
}

@keyframes ndaModalIn {
	from {
		opacity: 0;
		transform: translateY(26px) scale(0.96);
	}
	to {
		opacity: 1;
		transform: translateY(0) scale(1);
	}
}

.nda-modal-body {
	height: 100%;
}

.nda-modal-body .nda-pdf {
	border: 0;
	border-radius: 0;
	box-shadow: none;
	height: 100%;
}

.nda-modal-body .nda-pdf-stage {
	height: calc(100% - 62px);
}

.nda-modal-close {
	position: absolute;
	top: 8px;
	right: 8px;
	z-index: 5;
	width: 40px;
	height: 40px;
	border: 0;
	border-radius: 10px;
	background: rgba(var(--nda-primary-rgb), 0.12);
	color: var(--nda-primary);
	cursor: pointer;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	transition: background var(--nda-speed), transform var(--nda-speed);
}

.nda-modal-close:hover {
	background: var(--nda-accent);
	color: #ffffff;
	transform: rotate(90deg);
}

.nda-modal-close .nda-icon {
	width: 17px;
	height: 17px;
}

/* Lightbox */

.nda-lightbox {
	position: fixed;
	inset: 0;
	z-index: 999980;
	display: flex;
	align-items: center;
	justify-content: center;
	background: rgba(var(--nda-primary-rgb), 0.92);
	backdrop-filter: blur(8px);
	-webkit-backdrop-filter: blur(8px);
	animation: ndaFade 0.3s ease;
}

.nda-lightbox[hidden] {
	display: none;
}

.nda-lightbox-figure {
	margin: 0;
	max-width: 90vw;
	max-height: 86vh;
	animation: ndaModalIn 0.35s cubic-bezier(0.22, 0.85, 0.35, 1);
}

.nda-lightbox-figure img {
	max-width: 100%;
	max-height: 80vh;
	border-radius: var(--nda-radius);
	box-shadow: 0 40px 90px rgba(0, 0, 0, 0.5);
	display: block;
}

.nda-lightbox-figure figcaption {
	text-align: center;
	color: rgba(255, 255, 255, 0.8);
	padding: 14px 0 0;
	font-size: 14px;
}

.nda-lightbox-close {
	position: absolute;
	top: 22px;
	right: 26px;
	width: 46px;
	height: 46px;
	border: 0;
	border-radius: 50%;
	background: rgba(255, 255, 255, 0.12);
	color: #ffffff;
	cursor: pointer;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	transition: background var(--nda-speed), transform var(--nda-speed);
}

.nda-lightbox-close:hover {
	background: var(--nda-accent);
	transform: rotate(90deg);
}

.nda-lightbox-close .nda-icon {
	width: 20px;
	height: 20px;
}

/* ==========================================================================
   11. Sticky download bar
   ========================================================================== */

.nda-sticky-bar {
	position: fixed;
	left: 0;
	right: 0;
	bottom: 0;
	z-index: 99950;
	background: rgba(255, 255, 255, 0.96);
	backdrop-filter: blur(14px);
	-webkit-backdrop-filter: blur(14px);
	box-shadow: 0 -14px 40px rgba(var(--nda-primary-rgb), 0.14);
	border-top: 1px solid rgba(var(--nda-primary-rgb), 0.08);
	transform: translateY(110%);
	transition: transform 0.45s cubic-bezier(0.22, 0.85, 0.35, 1);
}

.nda-sticky-bar.is-visible {
	transform: translateY(0);
}

.nda-sticky-inner {
	max-width: 1180px;
	margin: 0 auto;
	padding: 12px 20px;
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 16px;
}

.nda-sticky-title {
	font-weight: 700;
	font-size: 15px;
	white-space: nowrap;
	overflow: hidden;
	text-overflow: ellipsis;
}

.nda-sticky-actions {
	display: flex;
	gap: 10px;
	flex-shrink: 0;
}

/* ==========================================================================
   12. Archive hero
   ========================================================================== */

.nda-archive-area {
	background: #f6f8fb;
}

.nda-archive-hero {
	position: relative;
	background: linear-gradient(130deg, var(--nda-primary) 0%, #1b3a66 55%, #2b4f8f 100%);
	overflow: hidden;
	padding: 70px 20px 110px;
	margin-bottom: -58px;
}

.nda-archive-hero::before {
	content: "";
	position: absolute;
	width: 520px;
	height: 520px;
	border-radius: 50%;
	background: radial-gradient(circle, rgba(var(--nda-secondary-rgb), 0.35), transparent 65%);
	top: -180px;
	right: -120px;
	animation: ndaFloat 9s ease-in-out infinite;
}

.nda-archive-hero::after {
	content: "";
	position: absolute;
	width: 380px;
	height: 380px;
	border-radius: 50%;
	background: radial-gradient(circle, rgba(var(--nda-accent-rgb), 0.22), transparent 65%);
	bottom: -160px;
	left: -100px;
	animation: ndaFloat 12s ease-in-out infinite reverse;
}

.nda-archive-hero-inner {
	position: relative;
	z-index: 2;
	max-width: 1180px;
	margin: 0 auto;
}

.nda-archive-hero .nda-breadcrumb ol {
	margin-bottom: 18px;
}

.nda-archive-hero .nda-breadcrumb,
.nda-archive-hero .nda-breadcrumb a,
.nda-archive-hero .nda-breadcrumb li {
	color: rgba(255, 255, 255, 0.72);
}

.nda-archive-hero .nda-breadcrumb span[aria-current] {
	color: #ffffff;
}

.nda-archive-title {
	color: #ffffff;
	font-size: clamp(32px, 5vw, 52px);
	margin: 0 0 12px;
	letter-spacing: -0.02em;
	line-height: 1.1;
}

.nda-archive-desc {
	color: rgba(255, 255, 255, 0.78);
	max-width: 640px;
	font-size: 16px;
	line-height: 1.7;
	margin: 0;
}

/* ==========================================================================
   13. Reveal helper (scroll reveal is JS-triggered on related etc.)
   ========================================================================== */

[data-reveal] {
	opacity: 0;
	transform: translateY(30px);
	transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.22, 0.85, 0.35, 1);
}

[data-reveal].is-revealed {
	opacity: 1;
	transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
	.nda-card,
	[data-reveal],
	.nda-card::before {
		animation: none !important;
		transition-duration: 0.01ms !important;
		opacity: 1 !important;
		transform: none !important;
	}
}

/* ==========================================================================
   14. Responsive
   ========================================================================== */

@media (max-width: 1024px) {
	.nda-cards {
		--nda-cols: 2;
	}

	.nda-cards-related {
		grid-template-columns: repeat(2, minmax(0, 1fr));
	}

	.nda-single-layout {
		grid-template-columns: 1fr;
	}

	.nda-single-side {
		display: grid;
		grid-template-columns: 1fr 1fr;
		gap: 22px;
	}
}

@media (max-width: 768px) {
	.nda-toolbar {
		padding: 14px;
	}

	.nda-toolbar-search {
		flex-basis: 100%;
	}

	.nda-cards {
		gap: 18px;
	}

	.nda-single-side {
		grid-template-columns: 1fr;
	}

	.nda-prev-next {
		grid-template-columns: 1fr;
	}

	.nda-pdf-stage {
		height: 460px;
	}

	.nda-sticky-title {
		display: none;
	}

	.nda-sticky-inner {
		justify-content: center;
	}
}

@media (max-width: 560px) {
	.nda-cards,
	.nda-cards-related {
		grid-template-columns: 1fr;
	}

	.nda-single {
		padding: 22px 14px 90px;
	}

	.nda-card-title {
		font-size: 17px;
	}

	.nda-single-header {
		flex-direction: column;
		align-items: flex-start;
	}

	.nda-pdf-tools {
		gap: 4px;
	}

	.nda-pdf-btn {
		width: 34px;
		height: 34px;
	}

	.nda-archive-hero {
		padding: 50px 16px 90px;
	}
}

@media (max-width: 380px) {
	.nda-card-actions {
		flex-wrap: wrap;
	}

	.nda-btn-icon-only {
		width: 100%;
	}
}