/* ==========================================================================
   DX — components
   1. Buttons   2. Links        3. Badges & chips   4. Icon box   5. Cards
   6. Sections  7. Grid helpers 8. Forms            9. Tech decor
   10. Micro-animations

   Built only on the semantic tokens of base.css, so every component follows
   the colour scheme and the brand colours chosen in the control panel.
   ========================================================================== */

/* 1. Buttons -------------------------------------------------------------
   One base class + a variant. Local --_ variables keep the variants tiny. */
.dx-btn {
	--_bg: var(--dx-primary);
	--_fg: var(--dx-on-primary);
	--_bd: transparent;
	position: relative;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 0.6em;
	min-height: 48px;
	padding: 0.65em 1.4em;
	overflow: hidden;
	font-family: inherit;
	font-size: 0.95rem;
	font-weight: 600;
	line-height: 1.2;
	color: var(--_fg);
	white-space: nowrap;
	text-decoration: none;
	background: var(--_bg);
	border: 1.5px solid var(--_bd);
	border-radius: var(--dx-radius-md);
	transition: transform var(--dx-dur-2) var(--dx-ease), box-shadow var(--dx-dur-2), background-color var(--dx-dur-1), border-color var(--dx-dur-1), color var(--dx-dur-1);
	isolation: isolate;
}

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

.dx-btn:active {
	transform: translateY(0) scale(0.98);
}

.dx-btn .dx-ic {
	width: 1.1em;
	height: 1.1em;
	transition: transform var(--dx-dur-2) var(--dx-ease);
}

/* The trailing arrow nudges forward — towards the reading direction. */
.dx-btn:hover .dx-ic--arrow {
	transform: translateX(3px);
}

[dir="rtl"] .dx-btn:hover .dx-ic--arrow {
	transform: scaleX(-1) translateX(3px);
}

.dx-btn--primary {
	box-shadow: var(--dx-shadow-glow);
}

/* A light sheen sweeps across the primary button on hover. */
.dx-btn--primary::after {
	content: "";
	position: absolute;
	inset: 0;
	z-index: -1;
	background: linear-gradient(110deg, transparent 30%, rgb(255 255 255 / 0.28) 50%, transparent 70%);
	transform: translateX(-120%);
	transition: transform var(--dx-dur-3) var(--dx-ease);
}

.dx-btn--primary:hover::after {
	transform: translateX(120%);
}

.dx-btn--secondary {
	--_bg: var(--dx-surface-2);
	--_fg: var(--dx-heading);
	--_bd: var(--dx-border-strong);
}

.dx-btn--secondary:hover {
	--_bd: var(--dx-primary-ink);
}

.dx-btn--outline {
	--_bg: transparent;
	--_fg: var(--dx-primary-ink);
	--_bd: var(--dx-primary-ink);
}

.dx-btn--outline:hover {
	--_bg: var(--dx-primary-soft);
}

.dx-btn--ghost {
	--_bg: transparent;
	--_fg: var(--dx-heading);
}

.dx-btn--ghost:hover {
	--_bg: var(--dx-surface-2);
	transform: none;
}

.dx-btn--accent {
	--_bg: var(--dx-accent);
	--_fg: var(--dx-on-accent);
}

.dx-btn--sm {
	min-height: 40px;
	padding: 0.45em 1em;
	font-size: var(--dx-fs-sm);
}

.dx-btn--lg {
	min-height: 56px;
	padding: 0.8em 1.8em;
	font-size: 1.02rem;
}

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

.dx-btn:disabled,
.dx-btn[aria-disabled="true"] {
	opacity: 0.55;
	pointer-events: none;
}

/* Waiting for a form to be sent: the label makes room for a spinner. */
.dx-btn.is-loading {
	color: transparent;
	pointer-events: none;
}

.dx-btn.is-loading::before {
	content: "";
	position: absolute;
	inset: 0;
	width: 1.2em;
	height: 1.2em;
	margin: auto;
	border: 2px solid var(--_fg);
	border-inline-end-color: transparent;
	border-radius: 50%;
	animation: dx-spin 0.7s linear infinite;
}

/* 2. Links --------------------------------------------------------------- */
.dx-link {
	display: inline-flex;
	align-items: center;
	gap: 0.45em;
	font-weight: 600;
	color: var(--dx-primary-ink);
	background: linear-gradient(currentColor, currentColor) no-repeat 0 100% / 0 1.5px;
	transition: background-size var(--dx-dur-2) var(--dx-ease);
}

[dir="rtl"] .dx-link {
	background-position: 100% 100%;
}

.dx-link:hover {
	background-size: 100% 1.5px;
}

.dx-link .dx-ic {
	width: 1em;
	height: 1em;
	transition: transform var(--dx-dur-2) var(--dx-ease);
}

.dx-link:hover .dx-ic {
	transform: translateX(3px);
}

[dir="rtl"] .dx-link:hover .dx-ic {
	transform: scaleX(-1) translateX(3px);
}

/* 3. Badges & chips ------------------------------------------------------ */
.dx-badge {
	display: inline-flex;
	align-items: center;
	gap: 0.5em;
	padding: 0.3em 0.8em;
	font-size: var(--dx-fs-xs);
	font-weight: 600;
	line-height: 1.5;
	color: var(--dx-primary-ink);
	background: var(--dx-primary-soft);
	border: 1px solid color-mix(in srgb, var(--dx-primary-ink) 22%, transparent);
	border-radius: var(--dx-radius-pill);
}

:lang(ar) .dx-badge {
	font-size: var(--dx-fs-sm);
}

.dx-badge--secondary {
	color: var(--dx-secondary-ink);
	background: var(--dx-secondary-soft);
	border-color: color-mix(in srgb, var(--dx-secondary-ink) 24%, transparent);
}

.dx-badge--accent {
	color: var(--dx-accent-ink);
	background: var(--dx-accent-soft);
	border-color: color-mix(in srgb, var(--dx-accent-ink) 26%, transparent);
}

.dx-badge--solid {
	color: var(--dx-on-accent);
	background: var(--dx-accent);
	border-color: transparent;
}

/* A "live" dot in front of the label. */
.dx-badge--dot::before {
	content: "";
	width: 0.55em;
	height: 0.55em;
	background: currentColor;
	border-radius: 50%;
	animation: dx-pulse 2s var(--dx-ease) infinite;
}

/* Technology tag. */
.dx-chip {
	display: inline-flex;
	align-items: center;
	gap: 0.4em;
	padding: 0.25em 0.7em;
	font-family: var(--dx-font-mono);
	font-size: var(--dx-fs-xs);
	line-height: 1.6;
	color: var(--dx-muted);
	background: var(--dx-surface-2);
	border: 1px solid var(--dx-border);
	border-radius: var(--dx-radius-sm);
	direction: ltr;
}

/* 4. Icon box ------------------------------------------------------------ */
.dx-ico {
	display: grid;
	flex: none;
	place-items: center;
	width: 52px;
	height: 52px;
	color: var(--dx-primary-ink);
	background: var(--dx-primary-soft);
	border-radius: var(--dx-radius-md);
	transition: transform var(--dx-dur-2) var(--dx-ease-spring), background-color var(--dx-dur-2), color var(--dx-dur-2);
}

.dx-ico .dx-ic {
	width: 26px;
	height: 26px;
}

.dx-ico--sm {
	width: 42px;
	height: 42px;
}

.dx-ico--sm .dx-ic {
	width: 21px;
	height: 21px;
}

.dx-ico--gradient {
	color: #fff;
	background: linear-gradient(135deg, var(--dx-primary), color-mix(in srgb, var(--dx-primary) 55%, var(--dx-secondary)));
	box-shadow: var(--dx-shadow-glow);
}

/* 5. Cards --------------------------------------------------------------- */
.dx-card {
	position: relative;
	display: flex;
	flex-direction: column;
	gap: var(--dx-space-3);
	padding: var(--dx-space-6);
	background: var(--dx-surface);
	border: 1px solid var(--dx-border);
	border-radius: var(--dx-radius-lg);
	box-shadow: var(--dx-shadow-xs);
	transition: transform var(--dx-dur-2) var(--dx-ease), box-shadow var(--dx-dur-2), border-color var(--dx-dur-2);
}

.dx-card__title {
	font-size: var(--dx-fs-lg);
	font-weight: 700;
	line-height: 1.35;
	letter-spacing: 0;
}

.dx-card__text {
	font-size: 0.96rem;
	color: var(--dx-muted);
}

.dx-card__foot {
	margin-top: auto;
	padding-top: var(--dx-space-3);
}

/* Lifts on hover; the icon box inside fills with the brand gradient. */
.dx-card--hover:hover {
	border-color: color-mix(in srgb, var(--dx-primary-ink) 45%, var(--dx-border));
	box-shadow: var(--dx-shadow-md);
	transform: translateY(-4px);
}

.dx-card--hover:hover .dx-ico {
	color: #fff;
	background: linear-gradient(135deg, var(--dx-primary), color-mix(in srgb, var(--dx-primary) 55%, var(--dx-secondary)));
	transform: scale(1.06) rotate(-4deg);
}

/* Gradient border — for the card that should stand out (e.g. "most popular"). */
.dx-card--featured {
	background: linear-gradient(var(--dx-surface), var(--dx-surface)) padding-box, linear-gradient(135deg, var(--dx-primary), var(--dx-secondary)) border-box;
	border: 1.5px solid transparent;
	box-shadow: var(--dx-shadow-md);
}

/* Translucent card for use over a gradient or an image. */
.dx-card--glass {
	background: color-mix(in srgb, var(--dx-surface) 62%, transparent);
	-webkit-backdrop-filter: blur(14px);
	backdrop-filter: blur(14px);
}

/* The whole card is clickable through the link in its title. */
.dx-card__link::after {
	content: "";
	position: absolute;
	inset: 0;
	border-radius: inherit;
}

/* 6. Sections ------------------------------------------------------------ */
.dx-section {
	position: relative;
	padding-block: var(--dx-section-y);
	isolation: isolate;

	/* Decorative glows may spill over the top or bottom of a section, never sideways:
	   that would let small screens scroll horizontally. */
	overflow-x: clip;
}

.dx-section--alt {
	background-color: var(--dx-bg-alt);
}

.dx-section__head {
	display: grid;
	gap: var(--dx-space-3);
	max-width: 720px;
	margin-bottom: clamp(36px, 5vw, 60px);
}

.dx-section__head--center {
	margin-inline: auto;
	text-align: center;
	justify-items: center;
}

/* Small label above a title, introduced by a code-comment marker. */
.dx-eyebrow {
	display: inline-flex;
	align-items: center;
	gap: 0.6em;
	font-size: var(--dx-fs-xs);
	font-weight: 600;
	letter-spacing: 0.16em;
	text-transform: uppercase;
	color: var(--dx-primary-ink);
}

.dx-eyebrow::before {
	content: "//";
	font-family: var(--dx-font-mono);
	font-weight: 700;
	letter-spacing: 0;
	color: var(--dx-secondary-ink);
}

:lang(ar) .dx-eyebrow {
	font-size: var(--dx-fs-base);
}

.dx-title {
	font-size: var(--dx-fs-2xl);
}

/* Brand gradient on text. box-decoration-break keeps it right on wrapped lines. */
.dx-gradient-text {
	color: var(--dx-primary-ink);
	background: linear-gradient(100deg, var(--dx-primary-ink), var(--dx-secondary-ink));
	-webkit-background-clip: text;
	background-clip: text;
	-webkit-text-fill-color: transparent;
	-webkit-box-decoration-break: clone;
	box-decoration-break: clone;
}

/* 7. Grid helpers -------------------------------------------------------- */
.dx-grid {
	display: grid;
	grid-template-columns: repeat(var(--dx-cols, 3), minmax(0, 1fr));
	gap: var(--dx-gap, var(--dx-space-5));
}

.dx-grid--2 {
	--dx-cols: 2;
}

.dx-grid--4 {
	--dx-cols: 4;
}

@media (max-width: 960px) {
	.dx-grid {
		--dx-cols: 2;
	}
}

@media (max-width: 620px) {
	.dx-grid {
		--dx-cols: 1;
	}
}

/* Items in a row that wrap (buttons, tags). */
.dx-cluster {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: var(--dx-gap, var(--dx-space-3));
}

/* Even vertical rhythm between children. */
.dx-stack > * + * {
	margin-top: var(--dx-gap, var(--dx-space-4));
}

/* 8. Forms --------------------------------------------------------------- */
.dx-field {
	display: grid;
	gap: 6px;
}

.dx-label {
	font-size: var(--dx-fs-sm);
	font-weight: 600;
	color: var(--dx-heading);
}

.dx-label__req {
	color: var(--dx-danger);
}

.dx-input,
.dx-select,
.dx-textarea {
	width: 100%;
	min-height: 48px;
	padding: 0.65em 1em;
	color: var(--dx-text);
	background-color: var(--dx-surface);
	border: 1.5px solid var(--dx-border-strong);
	border-radius: var(--dx-radius-md);
	transition: border-color var(--dx-dur-1), box-shadow var(--dx-dur-1);
}

.dx-textarea {
	min-height: 130px;
	resize: vertical;
}

/* Placeholders are text, so they use the muted colour (AA contrast), not the faint one. */
.dx-input::placeholder,
.dx-textarea::placeholder {
	color: var(--dx-muted);
	opacity: 1;
}

.dx-input:hover,
.dx-select:hover,
.dx-textarea:hover {
	border-color: var(--dx-faint);
}

.dx-input:focus,
.dx-select:focus,
.dx-textarea:focus {
	border-color: var(--dx-primary-ink);
	outline: none;
	box-shadow: 0 0 0 4px color-mix(in srgb, var(--dx-primary-ink) 22%, transparent);
}

.dx-select {
	padding-inline-end: 2.6em;
	background-image: linear-gradient(45deg, transparent 50%, currentColor 50%), linear-gradient(135deg, currentColor 50%, transparent 50%);
	background-repeat: no-repeat;
	background-position: right 1.25em center, right 0.9em center;
	background-size: 0.36em 0.36em;
	appearance: none;
}

[dir="rtl"] .dx-select {
	background-position: left 0.9em center, left 1.25em center;
}

.dx-help {
	font-size: var(--dx-fs-sm);
	color: var(--dx-muted);
}

.dx-field.is-invalid .dx-input,
.dx-field.is-invalid .dx-select,
.dx-field.is-invalid .dx-textarea {
	border-color: var(--dx-danger);
}

.dx-field__error {
	font-size: var(--dx-fs-sm);
	font-weight: 500;
	color: var(--dx-danger);
}

/* Checkbox / radio with its label. */
.dx-check {
	display: inline-flex;
	align-items: center;
	gap: 0.6em;
	min-height: 44px;
	cursor: pointer;
}

.dx-check input {
	width: 1.2em;
	height: 1.2em;
	accent-color: var(--dx-primary);
}

/* 9. Tech decor ----------------------------------------------------------
   Decorative only: always aria-hidden in the markup, never carries content. */

/* Blueprint grid that fades out towards the edges. Put it on a section. */
.dx-grid-bg::before {
	content: "";
	position: absolute;
	inset: 0;
	z-index: -1;
	background-image: linear-gradient(var(--dx-grid-line) 1px, transparent 1px), linear-gradient(90deg, var(--dx-grid-line) 1px, transparent 1px);
	background-size: 48px 48px;
	-webkit-mask-image: radial-gradient(ellipse 75% 70% at 50% 0%, #000 25%, transparent 78%);
	mask-image: radial-gradient(ellipse 75% 70% at 50% 0%, #000 25%, transparent 78%);
	pointer-events: none;
}

/* Soft blob of brand colour behind content. Position it with inline custom properties. */
.dx-glow {
	position: absolute;
	inset-block-start: var(--dx-glow-y, -10%);
	inset-inline-start: var(--dx-glow-x, 50%);
	z-index: -1;
	width: var(--dx-glow-size, 520px);
	aspect-ratio: 1;
	background: radial-gradient(closest-side, var(--dx-glow), transparent);
	filter: blur(20px);
	pointer-events: none;
	translate: -50% 0;
}

[dir="rtl"] .dx-glow {
	translate: 50% 0;
}

.dx-glow--secondary {
	--dx-glow: color-mix(in srgb, var(--dx-secondary) 24%, transparent);
}

/* Hairline that fades at both ends. */
.dx-divider {
	height: 1px;
	background: linear-gradient(90deg, transparent, var(--dx-border-strong), transparent);
	border: 0;
}

/* Decorative code window. Code is always left-to-right, even on Arabic pages. */
.dx-code {
	overflow: hidden;
	font-family: var(--dx-font-mono);
	font-size: var(--dx-fs-sm);
	line-height: 1.8;
	color: #cbd5e1;
	text-align: left;
	background: color-mix(in srgb, var(--dx-dark) 94%, #fff);
	border: 1px solid color-mix(in srgb, var(--dx-light) 12%, var(--dx-dark));
	border-radius: var(--dx-radius-lg);
	box-shadow: var(--dx-shadow-lg);
	direction: ltr;
}

.dx-code__bar {
	display: flex;
	align-items: center;
	gap: 7px;
	padding: 12px 16px;
	font-size: var(--dx-fs-xs);
	color: #7c869b;
	border-bottom: 1px solid color-mix(in srgb, var(--dx-light) 9%, var(--dx-dark));
}

.dx-code__bar i {
	width: 11px;
	height: 11px;
	background: #3b4358;
	border-radius: 50%;
}

.dx-code__bar i:nth-child(1) {
	background: #ff5f57;
}

.dx-code__bar i:nth-child(2) {
	background: #febc2e;
}

.dx-code__bar i:nth-child(3) {
	background: #28c840;
}

.dx-code__name {
	margin-inline-start: 8px;
}

.dx-code__body {
	margin: 0;
	padding: 18px 20px 22px;
	overflow-x: auto;
	font: inherit;
	white-space: pre;
	tab-size: 2;
}

/* Syntax colours: keyword, string, function, comment, number. */
.dx-tok-k {
	color: #c4b5fd;
}

.dx-tok-s {
	color: #86efac;
}

.dx-tok-f {
	color: #67e8f9;
}

.dx-tok-c {
	color: #64748b;
	font-style: italic;
}

.dx-tok-n {
	color: #fcd34d;
}

/* Blinking text cursor. */
.dx-caret {
	display: inline-block;
	width: 0.55em;
	height: 1.15em;
	vertical-align: text-bottom;
	background: var(--dx-secondary);
	animation: dx-blink 1.1s steps(1) infinite;
}

/* Keyboard key. */
.dx-kbd {
	display: inline-block;
	min-width: 1.9em;
	padding: 0.1em 0.5em;
	font-family: var(--dx-font-mono);
	font-size: var(--dx-fs-xs);
	color: var(--dx-text);
	text-align: center;
	background: var(--dx-surface-2);
	border: 1px solid var(--dx-border-strong);
	border-bottom-width: 2.5px;
	border-radius: var(--dx-radius-sm);
	direction: ltr;
}

/* 10. Micro-animations --------------------------------------------------- */

/* Scroll reveal — only when JavaScript is on (html.js is set before first paint).
   data-reveal            rises into place
   data-reveal="fade"     fades only
   data-reveal="scale"    grows slightly
   --dx-d                 delay, set by main.js to stagger neighbours */
.js [data-reveal] {
	opacity: 0;
	transform: translateY(24px);
	transition: opacity 0.8s var(--dx-ease), transform 0.8s var(--dx-ease);
	transition-delay: var(--dx-d, 0s);
}

.js [data-reveal="fade"] {
	transform: none;
}

.js [data-reveal="scale"] {
	transform: scale(0.94);
}

.js [data-reveal].is-in {
	opacity: 1;
	transform: none;
}

/* Gentle floating, for decorative pieces. */
.dx-float {
	animation: dx-float 6s ease-in-out infinite;
}

@keyframes dx-float {
	50% {
		transform: translateY(-10px);
	}
}

@keyframes dx-blink {
	50% {
		opacity: 0;
	}
}

@keyframes dx-pulse {
	0% {
		box-shadow: 0 0 0 0 color-mix(in srgb, currentColor 55%, transparent);
	}

	70%,
	100% {
		box-shadow: 0 0 0 0.5em transparent;
	}
}

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

@media (prefers-reduced-motion: reduce) {
	.js [data-reveal] {
		opacity: 1;
		transform: none;
	}
}