/**
 * DOHA Circular Economy — Core Design System & Base CSS
 * Palette:
 * --doha-primary: #0D3B2E;
 * --doha-secondary: #107C41;
 * --doha-accent: #00D287;
 * --doha-accent-dark: #00A389;
 * --doha-dark: #121619;
 * --doha-bg: #F8F9FA;
 */

:root {
	--doha-primary: #0D3B2E;
	--doha-primary-deep: #07241C;
	--doha-secondary: #107C41;
	--doha-accent: #00D287;
	--doha-accent-hover: #00BA77;
	--doha-accent-teal: #00A389;
	--doha-dark: #121619;
	--doha-dark-card: #1B2125;
	--doha-dark-border: rgba(255, 255, 255, 0.12);
	--doha-light-bg: #F8F9FA;
	--doha-surface: #FFFFFF;
	--doha-surface-muted: #F0F3F2;
	--doha-border: #E1E6E4;
	--doha-border-focus: #00D287;
	--doha-text: #1F2826;
	--doha-text-muted: #5A6964;
	--doha-text-light: #F0F4F2;
	--doha-font: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
	--doha-container: 1290px;
	--doha-radius-sm: 4px;
	--doha-radius: 8px;
	--doha-radius-lg: 14px;
	--doha-shadow-sm: 0 2px 8px rgba(13, 59, 46, 0.06);
	--doha-shadow: 0 10px 30px rgba(13, 59, 46, 0.08);
	--doha-shadow-lg: 0 20px 50px rgba(13, 59, 46, 0.14);
	--doha-transition: all 0.28s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Reset & Box Sizing */
*, *::before, *::after {
	box-sizing: border-box;
	margin: 0;
	padding: 0;
}

html {
	font-family: var(--doha-font);
	font-size: 16px;
	line-height: 1.6;
	color: var(--doha-text);
	background-color: var(--doha-light-bg);
	-webkit-font-smoothing: antialiased;
	-moz-osx-font-smoothing: grayscale;
	scroll-behavior: smooth;
}

body {
	min-height: 100vh;
	display: flex;
	flex-direction: column;
	overflow-x: hidden;
}

img, svg, video {
	display: block;
	max-width: 100%;
	height: auto;
}

a {
	color: inherit;
	text-decoration: none;
	transition: var(--doha-transition);
}

ul, ol {
	list-style: none;
}

button, input, select, textarea {
	font: inherit;
	color: inherit;
}

/* Accessibility */
.screen-reader-text {
	position: absolute;
	width: 1px;
	height: 1px;
	padding: 0;
	margin: -1px;
	overflow: hidden;
	clip: rect(0, 0, 0, 0);
	white-space: nowrap;
	border: 0;
}
.skip-link:focus {
	position: fixed;
	top: 16px;
	left: 16px;
	z-index: 9999;
	width: auto;
	height: auto;
	clip: auto;
	background: var(--doha-accent);
	color: var(--doha-dark);
	padding: 12px 24px;
	font-weight: 700;
	border-radius: var(--doha-radius-sm);
}

/* Layout Utilities */
.doha-container {
	width: 100%;
	max-width: var(--doha-container);
	margin-left: auto;
	margin-right: auto;
	padding-left: 24px;
	padding-right: 24px;
}
.doha-container--narrow {
	max-width: 860px;
}

.site-main {
	flex: 1 0 auto;
}

.section {
	padding: 100px 0;
	position: relative;
}
.section--tight {
	padding: 60px 0;
}
.section--tint {
	background-color: var(--doha-surface-muted);
}
.section--dark {
	background-color: var(--doha-dark);
	color: var(--doha-text-light);
}

.grid {
	display: grid;
	gap: 32px;
}
.grid--2 {
	grid-template-columns: repeat(2, 1fr);
}
.grid--3 {
	grid-template-columns: repeat(3, 1fr);
}
.grid--4 {
	grid-template-columns: repeat(4, 1fr);
}
.align-center {
	align-items: center;
}
.text-center {
	text-align: center;
}

/* Section Headings */
.section-head {
	margin-bottom: 56px;
	max-width: 720px;
}
.section-head.text-center {
	margin-left: auto;
	margin-right: auto;
}
.section-head--row {
	max-width: none;
	display: flex;
	justify-content: space-between;
	align-items: flex-end;
}
.section-head--light {
	color: var(--doha-text-light);
}
.section-head h2 {
	font-size: 2.5rem;
	font-weight: 700;
	line-height: 1.2;
	letter-spacing: -0.02em;
	color: var(--doha-primary);
	margin-top: 10px;
	margin-bottom: 16px;
}
.section-head--light h2 {
	color: #FFFFFF;
}
.section-head p {
	font-size: 1.125rem;
	color: var(--doha-text-muted);
	line-height: 1.6;
}
.section-head--light p {
	color: rgba(255, 255, 255, 0.75);
}

.eyebrow {
	display: inline-block;
	font-size: 0.8125rem;
	font-weight: 800;
	text-transform: uppercase;
	letter-spacing: 0.12em;
	color: var(--doha-secondary);
}
.eyebrow--light {
	color: var(--doha-accent);
}

.lead-text {
	font-size: 1.25rem;
	line-height: 1.65;
	color: var(--doha-text);
	margin-bottom: 20px;
}

/* Buttons & Links */
.btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 10px;
	padding: 14px 28px;
	font-size: 0.9375rem;
	font-weight: 700;
	letter-spacing: 0.01em;
	border-radius: var(--doha-radius-sm);
	border: 1px solid transparent;
	cursor: pointer;
	text-decoration: none;
	transition: var(--doha-transition);
	white-space: nowrap;
}
.btn--primary {
	background-color: var(--doha-primary);
	color: #FFFFFF;
	border-color: var(--doha-primary);
}
.btn--primary:hover {
	background-color: var(--doha-primary-deep);
	border-color: var(--doha-primary-deep);
	transform: translateY(-2px);
	box-shadow: 0 8px 24px rgba(13, 59, 46, 0.25);
}
.btn--accent {
	background-color: var(--doha-accent);
	color: var(--doha-primary-deep);
	border-color: var(--doha-accent);
}
.btn--accent:hover {
	background-color: var(--doha-accent-hover);
	transform: translateY(-2px);
	box-shadow: 0 8px 24px rgba(0, 210, 135, 0.35);
}
.btn--ghost {
	background: transparent;
	color: #FFFFFF;
	border-color: rgba(255, 255, 255, 0.35);
}
.btn--ghost:hover {
	background: rgba(255, 255, 255, 0.12);
	border-color: #FFFFFF;
}
.btn--sm {
	padding: 9px 18px;
	font-size: 0.875rem;
}
.btn--lg {
	padding: 16px 36px;
	font-size: 1.0625rem;
}
.btn--block {
	width: 100%;
}

.link-arrow {
	display: inline-flex;
	align-items: center;
	gap: 8px;
	font-weight: 700;
	color: var(--doha-secondary);
	transition: var(--doha-transition);
}
.link-arrow:hover {
	color: var(--doha-primary);
	gap: 12px;
}
.section-cta {
	margin-top: 48px;
	text-align: center;
}

/* Tag & Badges */
.tag {
	display: inline-block;
	padding: 4px 10px;
	font-size: 0.75rem;
	font-weight: 700;
	text-transform: uppercase;
	letter-spacing: 0.05em;
	background: rgba(16, 124, 65, 0.1);
	color: var(--doha-secondary);
	border-radius: var(--doha-radius-sm);
	margin-bottom: 12px;
}

/* ==================================================
   HEADER & NAVIGATION
================================================== */
.site-header {
	position: fixed;
	top: 0;
	left: 0;
	right: 0;
	z-index: 1000;
	transition: background-color 0.35s ease, border-color 0.35s ease, box-shadow 0.35s ease;
	border-bottom: 1px solid transparent;
}
.site-header.is-over-hero {
	background-color: transparent;
	color: #FFFFFF;
}
.site-header.is-solid,
.site-header.is-scrolled {
	background-color: rgba(255, 255, 255, 0.96);
	backdrop-filter: blur(12px);
	-webkit-backdrop-filter: blur(12px);
	color: var(--doha-dark);
	border-bottom-color: var(--doha-border);
	box-shadow: var(--doha-shadow-sm);
}

.site-header__inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	height: 84px;
	transition: height 0.3s ease;
}
.site-header.is-scrolled .site-header__inner {
	height: 72px;
}

/* Logo */
.site-logo {
	display: flex;
	align-items: center;
	gap: 12px;
	font-weight: 800;
	text-decoration: none;
}
.site-logo__mark {
	color: var(--doha-accent);
}
.site-logo__text {
	display: flex;
	flex-direction: column;
	line-height: 1;
}
.site-logo__text strong {
	font-size: 1.35rem;
	letter-spacing: -0.01em;
}
.site-logo__text small {
	font-size: 0.6875rem;
	letter-spacing: 0.24em;
	opacity: 0.8;
}
.site-logo--footer {
	color: #FFFFFF;
}

/* Primary Nav */
.primary-nav ul {
	display: flex;
	align-items: center;
	gap: 32px;
}
.primary-nav a {
	font-size: 0.9375rem;
	font-weight: 600;
	padding: 8px 0;
	position: relative;
}
.primary-nav a::after {
	content: '';
	position: absolute;
	left: 0;
	bottom: 0;
	width: 0;
	height: 2px;
	background-color: var(--doha-accent);
	transition: width 0.25s ease;
}
.primary-nav a:hover::after,
.primary-nav li.is-current a::after {
	width: 100%;
}

.site-header__tools {
	display: flex;
	align-items: center;
	gap: 20px;
}

/* Lang Switch */
.lang-switch {
	display: inline-flex;
	align-items: center;
	gap: 6px;
	font-size: 0.8125rem;
	font-weight: 700;
	letter-spacing: 0.05em;
}
.lang-switch a {
	opacity: 0.6;
	padding: 4px;
}
.lang-switch a.is-active {
	opacity: 1;
	color: var(--doha-accent);
}
.site-header.is-solid .lang-switch a.is-active,
.site-header.is-scrolled .lang-switch a.is-active {
	color: var(--doha-secondary);
}
.lang-switch__sep {
	opacity: 0.3;
}

/* Mobile Toggle */
.nav-toggle {
	display: none;
	width: 44px;
	height: 44px;
	background: transparent;
	border: none;
	cursor: pointer;
	flex-direction: column;
	justify-content: center;
	gap: 6px;
	padding: 10px;
}
.nav-toggle span {
	display: block;
	width: 100%;
	height: 2px;
	background-color: currentColor;
	transition: var(--doha-transition);
}

/* Mobile Panel */
.mobile-panel {
	background-color: var(--doha-dark);
	color: #FFFFFF;
	padding: 32px 24px;
	border-top: 1px solid var(--doha-dark-border);
}
.mobile-panel ul {
	display: flex;
	flex-direction: column;
	gap: 20px;
}
.mobile-panel a {
	font-size: 1.125rem;
	font-weight: 600;
}

/* ==================================================
   HERO SECTION
================================================== */
.hero {
	position: relative;
	min-height: 100vh;
	display: flex;
	align-items: center;
	background-color: var(--doha-primary-deep);
	color: #FFFFFF;
	overflow: hidden;
	padding-top: 100px;
	padding-bottom: 60px;
}
.hero__media {
	position: absolute;
	inset: 0;
	overflow: hidden;
	pointer-events: none;
}
.hero__img, .hero__video {
	position: absolute;
	inset: 0;
	width: 100%;
	height: 100%;
	object-fit: cover;
	opacity: 0.32;
}
.hero__grid {
	position: absolute;
	inset: 0;
	background-image: linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
	                  linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
	background-size: 60px 60px;
}
.hero__glow {
	position: absolute;
	border-radius: 50%;
	filter: blur(140px);
	pointer-events: none;
}
.hero__glow--a {
	top: 10%;
	right: 5%;
	width: 500px;
	height: 500px;
	background: radial-gradient(circle, rgba(0, 210, 135, 0.28) 0%, transparent 70%);
}
.hero__glow--b {
	bottom: -10%;
	left: -5%;
	width: 600px;
	height: 600px;
	background: radial-gradient(circle, rgba(16, 124, 65, 0.35) 0%, transparent 70%);
}
.hero__loop {
	position: absolute;
	right: -100px;
	top: 50%;
	transform: translateY(-50%);
	width: 720px;
	height: 720px;
	color: rgba(0, 210, 135, 0.12);
	animation: dohaSpin 80s linear infinite;
}

.hero__content {
	position: relative;
	z-index: 2;
	max-width: 880px;
}
.hero__title {
	font-size: 3.75rem;
	font-weight: 800;
	line-height: 1.12;
	letter-spacing: -0.03em;
	margin: 20px 0 28px;
	color: #FFFFFF;
}
.hero__desc {
	font-size: 1.35rem;
	line-height: 1.6;
	color: rgba(255, 255, 255, 0.85);
	margin-bottom: 40px;
	max-width: 680px;
}
.hero__actions {
	display: flex;
	gap: 18px;
	flex-wrap: wrap;
}
.hero__scroll {
	position: absolute;
	bottom: 30px;
	left: 50%;
	transform: translateX(-50%);
	width: 26px;
	height: 44px;
	border: 2px solid rgba(255, 255, 255, 0.3);
	border-radius: 20px;
	display: flex;
	justify-content: center;
	padding-top: 8px;
}
.hero__scroll span {
	width: 4px;
	height: 8px;
	background-color: var(--doha-accent);
	border-radius: 2px;
	animation: dohaScroll 2s infinite ease-in-out;
}

/* ==================================================
   IMPACT COUNTERS
================================================== */
.impact {
	background-color: #FFFFFF;
	border-bottom: 1px solid var(--doha-border);
	padding: 60px 0;
}
.impact__grid {
	display: grid;
	grid-template-columns: repeat(4, 1fr);
	gap: 32px;
}
.impact__item {
	padding: 0 16px;
	border-left: 1px solid var(--doha-border);
}
.impact__item:first-child {
	border-left: none;
	padding-left: 0;
}
.impact__value {
	display: block;
	font-size: 3.5rem;
	font-weight: 800;
	line-height: 1;
	color: var(--doha-primary);
	letter-spacing: -0.03em;
	margin-bottom: 10px;
}
.impact__value em {
	font-style: normal;
	color: var(--doha-accent-teal);
	margin-left: 2px;
}
.impact__label {
	font-size: 0.9375rem;
	font-weight: 600;
	color: var(--doha-text-muted);
	line-height: 1.4;
}

/* ==================================================
   CIRCULAR ECONOMY LOOP (SVG INTERACTIVE)
================================================== */
.loop {
	overflow: hidden;
}
.loop__layout {
	display: grid;
	grid-template-columns: 560px 1fr;
	gap: 60px;
	align-items: center;
	margin-top: 40px;
}
.loop__svg {
	width: 100%;
	height: auto;
	max-width: 520px;
	margin: 0 auto;
}
.loop__ring-inner {
	fill: #1B2125;
	stroke: rgba(255, 255, 255, 0.08);
	stroke-width: 1;
}
.loop__ring-outer {
	fill: none;
	stroke: rgba(255, 255, 255, 0.05);
	stroke-dasharray: 4 6;
}
.loop__center-big {
	font-size: 26px;
	font-weight: 800;
	fill: #FFFFFF;
	letter-spacing: 0.08em;
}
.loop__center-small {
	font-size: 10px;
	font-weight: 700;
	fill: var(--doha-accent);
	letter-spacing: 0.2em;
}

.loop-stage {
	cursor: pointer;
	outline: none;
	transition: var(--doha-transition);
}
.loop-stage__arc {
	fill: none;
	stroke: rgba(255, 255, 255, 0.15);
	stroke-width: 6;
	transition: stroke 0.3s ease;
}
.loop-stage__flow {
	fill: none;
	stroke: url(#loopGrad);
	stroke-width: 6;
	stroke-dasharray: 40 160;
	stroke-dashoffset: 0;
	opacity: 0;
	transition: opacity 0.3s ease;
}
.loop-stage.is-active .loop-stage__flow {
	opacity: 1;
	animation: dohaFlow 6s linear infinite;
}
.loop-stage__arrow {
	fill: rgba(255, 255, 255, 0.25);
	transition: fill 0.3s ease;
}
.loop-stage__node {
	fill: #1B2125;
	stroke: rgba(255, 255, 255, 0.25);
	stroke-width: 3;
	transition: var(--doha-transition);
}
.loop-stage__num {
	font-size: 14px;
	font-weight: 800;
	fill: #FFFFFF;
}
.loop-stage:hover .loop-stage__node,
.loop-stage.is-active .loop-stage__node {
	fill: var(--doha-accent);
	stroke: #FFFFFF;
	transform-origin: center;
	transform: scale(1.12);
}
.loop-stage:hover .loop-stage__num,
.loop-stage.is-active .loop-stage__num {
	fill: var(--doha-primary-deep);
}
.loop-stage:hover .loop-stage__arc,
.loop-stage.is-active .loop-stage__arc {
	stroke: var(--doha-accent-teal);
}
.loop-stage:hover .loop-stage__arrow,
.loop-stage.is-active .loop-stage__arrow {
	fill: var(--doha-accent);
}

.loop-steps {
	display: flex;
	flex-direction: column;
	gap: 20px;
}
.loop-step {
	display: flex;
	gap: 20px;
	padding: 24px;
	background: var(--doha-dark-card);
	border: 1px solid var(--doha-dark-border);
	border-radius: var(--doha-radius);
	cursor: pointer;
	transition: var(--doha-transition);
}
.loop-step__num {
	flex-shrink: 0;
	font-size: 1.25rem;
	font-weight: 800;
	color: var(--doha-accent);
	line-height: 1.2;
}
.loop-step h3 {
	font-size: 1.1875rem;
	font-weight: 700;
	color: #FFFFFF;
	margin-bottom: 8px;
}
.loop-step p {
	font-size: 0.9375rem;
	color: rgba(255, 255, 255, 0.7);
	line-height: 1.5;
}
.loop-step:hover,
.loop-step.is-active {
	border-color: var(--doha-accent);
	background: rgba(0, 210, 135, 0.05);
	transform: translateX(8px);
}

/* ==================================================
   CARDS (SOLUTIONS / PRODUCTS / PROJECTS / INSIGHTS)
================================================== */
.card {
	position: relative;
	background: var(--doha-surface);
	border: 1px solid var(--doha-border);
	border-radius: var(--doha-radius);
	overflow: hidden;
	display: flex;
	flex-direction: column;
	transition: var(--doha-transition);
}
.card:hover {
	transform: translateY(-6px);
	box-shadow: var(--doha-shadow);
	border-color: rgba(16, 124, 65, 0.35);
}
.card__link {
	position: absolute;
	inset: 0;
	z-index: 2;
}
.card__media {
	position: relative;
	aspect-ratio: 16 / 10;
	overflow: hidden;
	background-color: var(--doha-surface-muted);
}
.card__media img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	transition: transform 0.6s ease;
}
.card:hover .card__media img {
	transform: scale(1.05);
}
.card__body {
	padding: 28px;
	flex: 1 0 auto;
	display: flex;
	flex-direction: column;
}
.card__title {
	font-size: 1.25rem;
	font-weight: 700;
	line-height: 1.35;
	color: var(--doha-primary);
	margin-bottom: 12px;
}
.card__text {
	font-size: 0.9375rem;
	color: var(--doha-text-muted);
	line-height: 1.55;
	margin-bottom: 20px;
	flex: 1 0 auto;
}
.card__meta {
	display: block;
	font-size: 0.8125rem;
	color: var(--doha-text-muted);
	font-family: monospace;
	margin-bottom: 10px;
}
.card__row {
	display: flex;
	justify-content: space-between;
	align-items: center;
	margin-bottom: 12px;
}
.card__row time {
	font-size: 0.8125rem;
	color: var(--doha-text-muted);
}

.card--solution .card__icon {
	color: var(--doha-secondary);
	margin-bottom: 16px;
	display: block;
}

.card__status-badge {
	position: absolute;
	top: 14px;
	left: 14px;
	z-index: 3;
	padding: 4px 10px;
	font-size: 0.75rem;
	font-weight: 700;
	text-transform: uppercase;
	letter-spacing: 0.05em;
	background: var(--doha-dark);
	color: #FFFFFF;
	border-radius: var(--doha-radius-sm);
}
.card__status-badge--operating {
	background: var(--doha-secondary);
}
.card__status-badge--construction {
	background: #D97706;
}

/* Material Tiles */
.material-tiles {
	display: grid;
	grid-template-columns: repeat(4, 1fr);
	gap: 20px;
	margin-bottom: 48px;
}
.material-tiles a {
	display: flex;
	align-items: center;
	gap: 16px;
	padding: 20px 24px;
	background: #FFFFFF;
	border: 1px solid var(--doha-border);
	border-radius: var(--doha-radius);
	box-shadow: var(--doha-shadow-sm);
	transition: var(--doha-transition);
}
.material-tiles a:hover {
	border-color: var(--doha-secondary);
	transform: translateY(-3px);
	box-shadow: var(--doha-shadow);
}
.material-tiles__icon {
	color: var(--doha-secondary);
	flex-shrink: 0;
}
.material-tiles strong {
	font-size: 1.0625rem;
	color: var(--doha-primary);
	flex: 1 0 auto;
}
.material-tiles__go {
	color: var(--doha-text-muted);
	transition: var(--doha-transition);
}
.material-tiles a:hover .material-tiles__go {
	color: var(--doha-secondary);
	transform: translateX(4px);
}

/* ==================================================
   ESG SECTION & PILLARS
================================================== */
.esg__pillars {
	display: grid;
	grid-template-columns: repeat(4, 1fr);
	gap: 24px;
	margin-bottom: 48px;
}
.pillar {
	padding: 32px 28px;
	background: #FFFFFF;
	border: 1px solid var(--doha-border);
	border-radius: var(--doha-radius);
	box-shadow: var(--doha-shadow-sm);
	transition: var(--doha-transition);
}
.pillar:hover {
	transform: translateY(-4px);
	border-color: var(--doha-accent-teal);
	box-shadow: var(--doha-shadow);
}
.pillar__icon {
	display: block;
	color: var(--doha-secondary);
	margin-bottom: 20px;
}
.pillar h3 {
	font-size: 1.1875rem;
	font-weight: 700;
	color: var(--doha-primary);
	margin-bottom: 12px;
}
.pillar p {
	font-size: 0.9375rem;
	color: var(--doha-text-muted);
	line-height: 1.55;
}

/* Certificates */
.certs {
	margin-top: 60px;
	padding-top: 40px;
	border-top: 1px solid var(--doha-border);
	text-align: center;
}
.certs__title {
	font-size: 0.8125rem;
	font-weight: 800;
	text-transform: uppercase;
	letter-spacing: 0.12em;
	color: var(--doha-text-muted);
	margin-bottom: 24px;
}
.certs__list {
	display: flex;
	justify-content: center;
	align-items: center;
	gap: 40px;
	flex-wrap: wrap;
}
.cert {
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: 6px;
}
.cert strong {
	font-size: 1.125rem;
	font-weight: 700;
	color: var(--doha-primary);
}
.cert span {
	font-size: 0.8125rem;
	color: var(--doha-text-muted);
}

/* ==================================================
   B2B CONVERSION BANNER
================================================== */
.b2b {
	background: linear-gradient(135deg, var(--doha-primary-deep) 0%, var(--doha-primary) 100%);
	color: #FFFFFF;
	padding: 80px 0;
	position: relative;
	overflow: hidden;
}
.b2b::before {
	content: '';
	position: absolute;
	right: 0;
	top: 0;
	bottom: 0;
	width: 40%;
	background: radial-gradient(circle at right center, rgba(0, 210, 135, 0.15), transparent 70%);
	pointer-events: none;
}
.b2b__inner {
	display: grid;
	grid-template-columns: 1fr 340px auto;
	gap: 48px;
	align-items: center;
	position: relative;
	z-index: 2;
}
.b2b__text h2 {
	font-size: 2.25rem;
	font-weight: 800;
	line-height: 1.2;
	margin-bottom: 16px;
}
.b2b__text p {
	font-size: 1.0625rem;
	color: rgba(255, 255, 255, 0.8);
	line-height: 1.6;
}
.b2b__roles {
	display: flex;
	flex-direction: column;
	gap: 10px;
}
.b2b__roles a {
	display: flex;
	align-items: center;
	justify-content: space-between;
	padding: 10px 16px;
	background: rgba(255, 255, 255, 0.08);
	border: 1px solid rgba(255, 255, 255, 0.15);
	border-radius: var(--doha-radius-sm);
	font-size: 0.875rem;
	font-weight: 600;
	color: #FFFFFF;
	transition: var(--doha-transition);
}
.b2b__roles a:hover {
	background: var(--doha-accent);
	color: var(--doha-primary-deep);
	border-color: var(--doha-accent);
}

/* ==================================================
   PRODUCT FILTER BAR & CATALOG
================================================== */
.filter-bar {
	background: #FFFFFF;
	border-bottom: 1px solid var(--doha-border);
	padding: 24px 0;
	position: sticky;
	top: 84px;
	z-index: 900;
	transition: top 0.3s ease;
}
.site-header.is-scrolled ~ .site-main .filter-bar {
	top: 72px;
}
.filter-bar__form {
	display: flex;
	gap: 16px;
	align-items: flex-end;
	flex-wrap: wrap;
}
.filter-bar__count {
	font-size: 0.875rem;
	color: var(--doha-text-muted);
	margin-top: 12px;
}
.filter-bar__reset {
	font-size: 0.875rem;
	font-weight: 600;
	color: var(--doha-text-muted);
	padding: 10px 14px;
}
.filter-bar__reset:hover {
	color: var(--doha-primary);
}

/* Forms & Fields */
.field {
	display: flex;
	flex-direction: column;
	gap: 6px;
}
.field span {
	font-size: 0.8125rem;
	font-weight: 700;
	color: var(--doha-text-muted);
}
.field input, .field select, .field textarea {
	padding: 12px 16px;
	background: #FFFFFF;
	border: 1px solid var(--doha-border);
	border-radius: var(--doha-radius-sm);
	outline: none;
	transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.field input:focus, .field select:focus, .field textarea:focus {
	border-color: var(--doha-border-focus);
	box-shadow: 0 0 0 3px rgba(0, 210, 135, 0.18);
}
.field--inline {
	min-width: 200px;
}
.field--grow {
	flex: 1 0 240px;
}
.field--full {
	grid-column: 1 / -1;
}

.form-grid {
	display: grid;
	grid-template-columns: repeat(2, 1fr);
	gap: 20px;
}
.doha-form {
	display: flex;
	flex-direction: column;
	gap: 20px;
}
.doha-form--card {
	padding: 40px;
	background: #FFFFFF;
	border: 1px solid var(--doha-border);
	border-radius: var(--doha-radius);
	box-shadow: var(--doha-shadow);
}
.check {
	display: flex;
	align-items: flex-start;
	gap: 10px;
	font-size: 0.875rem;
	color: var(--doha-text-muted);
	cursor: pointer;
}
.check input {
	margin-top: 3px;
}
.hp-field {
	display: none !important;
}
.form-status {
	font-size: 0.9375rem;
	font-weight: 600;
	min-height: 24px;
}
.form-status.is-error {
	color: #DC2626;
}
.form-status.is-success {
	color: #107C41;
}

/* ==================================================
   PRODUCT DETAIL PAGE
================================================== */
.product-single__hero {
	display: grid;
	grid-template-columns: 560px 1fr;
	gap: 60px;
	margin-bottom: 80px;
}
.product-gallery__main {
	aspect-ratio: 1 / 1;
	background: #FFFFFF;
	border: 1px solid var(--doha-border);
	border-radius: var(--doha-radius);
	overflow: hidden;
	margin-bottom: 16px;
}
.product-gallery__main img {
	width: 100%;
	height: 100%;
	object-fit: cover;
}
.product-gallery__thumbs {
	display: flex;
	gap: 12px;
	overflow-x: auto;
}
.product-gallery__thumbs .thumb {
	width: 80px;
	height: 80px;
	border: 2px solid var(--doha-border);
	border-radius: var(--doha-radius-sm);
	overflow: hidden;
	background: #FFFFFF;
	cursor: pointer;
	padding: 0;
	transition: border-color 0.2s ease;
}
.product-gallery__thumbs .thumb.is-active,
.product-gallery__thumbs .thumb:hover {
	border-color: var(--doha-secondary);
}
.product-gallery__thumbs .thumb img {
	width: 100%;
	height: 100%;
	object-fit: cover;
}

.product-summary__title {
	font-size: 2.5rem;
	font-weight: 800;
	color: var(--doha-primary);
	line-height: 1.2;
	margin-bottom: 12px;
}
.product-summary__code {
	font-size: 0.9375rem;
	color: var(--doha-text-muted);
	margin-bottom: 20px;
}
.product-summary__code code {
	background: var(--doha-surface-muted);
	padding: 2px 8px;
	border-radius: 4px;
	color: var(--doha-primary);
}
.product-summary__excerpt {
	font-size: 1.125rem;
	line-height: 1.6;
	color: var(--doha-text);
	margin-bottom: 32px;
}
.product-summary__quick-specs {
	background: var(--doha-surface-muted);
	padding: 24px;
	border-radius: var(--doha-radius);
	margin-bottom: 36px;
}
.product-summary__quick-specs h4 {
	font-size: 0.875rem;
	font-weight: 800;
	text-transform: uppercase;
	letter-spacing: 0.08em;
	color: var(--doha-primary);
	margin-bottom: 16px;
}
.product-summary__quick-specs ul {
	display: grid;
	grid-template-columns: repeat(2, 1fr);
	gap: 12px 20px;
}
.product-summary__quick-specs li {
	font-size: 0.9375rem;
}
.product-summary__quick-specs li span {
	color: var(--doha-text-muted);
}
.product-summary__actions {
	display: flex;
	gap: 16px;
	flex-wrap: wrap;
}

/* Tabs */
.product-details-tabs {
	margin-bottom: 80px;
}
.tabs-nav {
	display: flex;
	gap: 8px;
	border-bottom: 2px solid var(--doha-border);
	margin-bottom: 40px;
	overflow-x: auto;
}
.tabs-nav__btn {
	padding: 14px 24px;
	background: transparent;
	border: none;
	font-size: 1.0625rem;
	font-weight: 700;
	color: var(--doha-text-muted);
	cursor: pointer;
	position: relative;
	white-space: nowrap;
	transition: color 0.2s ease;
}
.tabs-nav__btn::after {
	content: '';
	position: absolute;
	left: 0;
	right: 0;
	bottom: -2px;
	height: 3px;
	background-color: var(--doha-secondary);
	opacity: 0;
	transition: opacity 0.2s ease;
}
.tabs-nav__btn.is-active {
	color: var(--doha-primary);
}
.tabs-nav__btn.is-active::after {
	opacity: 1;
}

.tab-panel {
	display: none;
}
.tab-panel.is-active {
	display: block;
}

.data-table {
	width: 100%;
	border-collapse: collapse;
	background: #FFFFFF;
	border: 1px solid var(--doha-border);
	border-radius: var(--doha-radius);
	overflow: hidden;
	margin-bottom: 32px;
}
.data-table th, .data-table td {
	padding: 16px 24px;
	text-align: left;
	border-bottom: 1px solid var(--doha-border);
}
.data-table th {
	background: var(--doha-surface-muted);
	font-size: 0.875rem;
	font-weight: 800;
	text-transform: uppercase;
	letter-spacing: 0.05em;
	color: var(--doha-primary);
}

.app-badges {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 24px;
	margin-bottom: 32px;
}
.app-badge {
	display: flex;
	align-items: center;
	gap: 16px;
	padding: 24px;
	background: #FFFFFF;
	border: 1px solid var(--doha-border);
	border-radius: var(--doha-radius);
}
.app-badge__icon {
	color: var(--doha-secondary);
}
.app-badge h4 {
	font-size: 1.125rem;
	font-weight: 700;
	color: var(--doha-primary);
}

.env-impact-card {
	display: flex;
	gap: 32px;
	padding: 40px;
	background: #FFFFFF;
	border: 1px solid var(--doha-border);
	border-radius: var(--doha-radius);
	border-left: 6px solid var(--doha-accent);
}
.env-impact-card__icon {
	color: var(--doha-secondary);
}
.env-impact-card h3 {
	font-size: 1.35rem;
	font-weight: 700;
	color: var(--doha-primary);
	margin-bottom: 12px;
}

.doc-list {
	display: flex;
	flex-direction: column;
	gap: 16px;
}
.doc-item {
	display: flex;
	justify-content: space-between;
	align-items: center;
	padding: 24px 32px;
	background: #FFFFFF;
	border: 1px solid var(--doha-border);
	border-radius: var(--doha-radius);
}
.doc-item__info {
	display: flex;
	align-items: center;
	gap: 20px;
}
.doc-item__icon {
	color: var(--doha-secondary);
}
.doc-item__info strong {
	display: block;
	font-size: 1.125rem;
	color: var(--doha-primary);
	margin-bottom: 4px;
}
.doc-item__info span {
	font-size: 0.8125rem;
	color: var(--doha-text-muted);
}

/* ==================================================
   CONTACT & B2B ROLE SELECTOR
================================================== */
.contact-grid {
	display: grid;
	grid-template-columns: 420px 1fr;
	gap: 60px;
}
.contact-info h2 {
	font-size: 2.25rem;
	font-weight: 800;
	color: var(--doha-primary);
	margin: 12px 0 16px;
}
.contact-info__desc {
	font-size: 1.0625rem;
	color: var(--doha-text-muted);
	margin-bottom: 40px;
}
.contact-details-list {
	display: flex;
	flex-direction: column;
	gap: 28px;
}
.contact-details-list li {
	display: flex;
	gap: 16px;
}
.contact-details-list .icon {
	color: var(--doha-secondary);
	margin-top: 2px;
}
.contact-details-list strong {
	display: block;
	font-size: 0.875rem;
	font-weight: 800;
	text-transform: uppercase;
	letter-spacing: 0.05em;
	color: var(--doha-primary);
	margin-bottom: 4px;
}

.role-selector {
	display: grid;
	grid-template-columns: repeat(2, 1fr);
	gap: 12px;
	margin-top: 10px;
	margin-bottom: 24px;
}
.role-radio {
	padding: 14px 18px;
	background: var(--doha-surface-muted);
	border: 1px solid var(--doha-border);
	border-radius: var(--doha-radius-sm);
	font-size: 0.875rem;
	font-weight: 700;
	cursor: pointer;
	display: flex;
	align-items: center;
	gap: 10px;
	transition: var(--doha-transition);
}
.role-radio.is-selected {
	background: var(--doha-primary);
	color: #FFFFFF;
	border-color: var(--doha-primary);
}
.dynamic-role-fields {
	margin-bottom: 24px;
	padding: 24px;
	background: var(--doha-surface-muted);
	border-radius: var(--doha-radius-sm);
	border-left: 4px solid var(--doha-secondary);
}

/* ==================================================
   LEAD CAPTURE MODAL (DOWNLOAD GATE & QUICK FORMS)
================================================== */
.lead-modal {
	position: fixed;
	inset: 0;
	z-index: 2000;
	display: flex;
	align-items: center;
	justify-content: center;
	padding: 24px;
}
.lead-modal[hidden] {
	display: none !important;
}
.lead-modal__backdrop {
	position: absolute;
	inset: 0;
	background: rgba(18, 22, 25, 0.75);
	backdrop-filter: blur(6px);
}
.lead-modal__dialog {
	position: relative;
	z-index: 2;
	width: 100%;
	max-width: 620px;
	background: #FFFFFF;
	border-radius: var(--doha-radius);
	padding: 40px;
	box-shadow: var(--doha-shadow-lg);
	max-height: 90vh;
	overflow-y: auto;
}
.lead-modal__close {
	position: absolute;
	top: 20px;
	right: 20px;
	background: transparent;
	border: none;
	font-size: 2rem;
	line-height: 1;
	color: var(--doha-text-muted);
	cursor: pointer;
}
.lead-modal__title {
	font-size: 1.75rem;
	font-weight: 800;
	color: var(--doha-primary);
	margin-bottom: 8px;
}
.lead-modal__sub {
	font-size: 0.9375rem;
	color: var(--doha-text-muted);
	margin-bottom: 28px;
}
.lead-modal__done {
	text-align: center;
	padding: 20px 0;
}
.lead-modal__done-msg {
	font-size: 1.125rem;
	font-weight: 600;
	color: var(--doha-secondary);
	margin-bottom: 24px;
}

/* ==================================================
   PAGE HERO & BREADCRUMBS
================================================== */
.page-hero {
	position: relative;
	background: var(--doha-primary-deep);
	color: #FFFFFF;
	padding: 160px 0 80px;
	overflow: hidden;
}
.page-hero__pattern {
	position: absolute;
	inset: 0;
	background-image: radial-gradient(rgba(0, 210, 135, 0.15) 1px, transparent 1px);
	background-size: 32px 32px;
	opacity: 0.5;
}
.page-hero__inner {
	position: relative;
	z-index: 2;
}
.page-hero h1 {
	font-size: 3.25rem;
	font-weight: 800;
	letter-spacing: -0.03em;
	line-height: 1.15;
	margin: 16px 0 20px;
}
.page-hero__intro {
	font-size: 1.25rem;
	color: rgba(255, 255, 255, 0.85);
	max-width: 760px;
	line-height: 1.6;
}

.doha-breadcrumbs {
	margin-bottom: 20px;
}
.doha-breadcrumbs ol {
	display: flex;
	align-items: center;
	gap: 10px;
	font-size: 0.8125rem;
	font-weight: 600;
	color: rgba(255, 255, 255, 0.6);
}
.doha-breadcrumbs a {
	color: rgba(255, 255, 255, 0.6);
}
.doha-breadcrumbs a:hover {
	color: var(--doha-accent);
}
.doha-breadcrumbs li + li::before {
	content: '/';
	margin-right: 10px;
	opacity: 0.4;
}
.doha-breadcrumbs [aria-current="page"] {
	color: var(--doha-accent);
}

/* ==================================================
   FOOTER
================================================== */
.site-footer {
	background-color: var(--doha-dark);
	color: rgba(255, 255, 255, 0.7);
	padding: 80px 0 32px;
	border-top: 1px solid var(--doha-dark-border);
}
.site-footer__grid {
	display: grid;
	grid-template-columns: 2fr 1fr 1fr 1.5fr;
	gap: 60px;
	margin-bottom: 60px;
}
.site-footer__brand p {
	font-size: 0.9375rem;
	margin-top: 20px;
	line-height: 1.6;
	max-width: 320px;
}
.site-footer__col h2 {
	font-size: 0.875rem;
	font-weight: 800;
	text-transform: uppercase;
	letter-spacing: 0.1em;
	color: #FFFFFF;
	margin-bottom: 24px;
}
.site-footer__col ul {
	display: flex;
	flex-direction: column;
	gap: 14px;
	font-size: 0.9375rem;
	font-style: normal;
}
.site-footer__col a:hover {
	color: var(--doha-accent);
}
.site-footer__bottom {
	padding-top: 32px;
	border-top: 1px solid var(--doha-dark-border);
	display: flex;
	justify-content: space-between;
	align-items: center;
	font-size: 0.8125rem;
	opacity: 0.6;
}

/* Empty State */
.doha-empty {
	grid-column: 1 / -1;
	text-align: center;
	padding: 60px 20px;
	font-size: 1.125rem;
	color: var(--doha-text-muted);
}
.doha-placeholder {
	display: flex;
	align-items: center;
	justify-content: center;
	width: 100%;
	height: 100%;
	background: var(--doha-surface-muted);
	color: var(--doha-text-muted);
}