/**
 * DOHA Circular Economy — Responsive Styles
 * Breakpoints: 1440px, 1024px, 768px, 480px, 375px
 */

@media (max-width: 1200px) {
	.hero__title {
		font-size: 3.125rem;
	}
	.loop__layout {
		grid-template-columns: 460px 1fr;
		gap: 40px;
	}
	.product-single__hero {
		grid-template-columns: 460px 1fr;
		gap: 40px;
	}
	.site-footer__grid {
		grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
		gap: 40px;
	}
}

@media (max-width: 1024px) {
	.grid--4 {
		grid-template-columns: repeat(2, 1fr);
	}
	.grid--3 {
		grid-template-columns: repeat(2, 1fr);
	}
	.material-tiles {
		grid-template-columns: repeat(2, 1fr);
	}
	.esg__pillars {
		grid-template-columns: repeat(2, 1fr);
	}
	.primary-nav,
	.site-header__contact {
		display: none;
	}
	.nav-toggle {
		display: flex;
	}

	.loop__layout {
		grid-template-columns: 1fr;
	}
	.loop__svg {
		max-width: 440px;
	}

	.b2b__inner {
		grid-template-columns: 1fr;
		gap: 32px;
	}
	.b2b__roles {
		flex-direction: row;
		flex-wrap: wrap;
	}

	.contact-grid {
		grid-template-columns: 1fr;
		gap: 48px;
	}
	.product-single__hero {
		grid-template-columns: 1fr;
	}
	.app-badges {
		grid-template-columns: repeat(2, 1fr);
	}
	.site-footer__grid {
		grid-template-columns: repeat(2, 1fr);
		gap: 48px;
	}
}

@media (max-width: 768px) {
	.section {
		padding: 70px 0;
	}
	.section-head h2 {
		font-size: 2rem;
	}
	.page-hero {
		padding: 130px 0 60px;
	}
	.page-hero h1 {
		font-size: 2.25rem;
	}
	.hero {
		min-height: auto;
		padding-top: 130px;
		padding-bottom: 80px;
	}
	.hero__title {
		font-size: 2.375rem;
	}
	.hero__desc {
		font-size: 1.125rem;
	}
	.hero__scroll {
		display: none;
	}

	.impact__grid {
		grid-template-columns: repeat(2, 1fr);
		gap: 28px;
	}
	.impact__item {
		border-left: none;
		padding-left: 0;
	}
	.impact__value {
		font-size: 2.75rem;
	}

	.grid--2 {
		grid-template-columns: 1fr;
	}
	.grid--3 {
		grid-template-columns: 1fr;
	}
	.form-grid {
		grid-template-columns: 1fr;
	}
	.role-selector {
		grid-template-columns: 1fr;
	}
	.filter-bar {
		position: static;
	}
	.filter-bar__form {
		flex-direction: column;
		align-items: stretch;
	}
	.field--inline {
		min-width: 100%;
	}

	.doc-item {
		flex-direction: column;
		align-items: flex-start;
		gap: 16px;
	}
	.site-footer__grid {
		grid-template-columns: 1fr;
		gap: 36px;
	}
	.site-footer__bottom {
		flex-direction: column;
		gap: 12px;
		text-align: center;
	}

	/* Circular loop transforms into vertical interactive timeline on mobile */
	.loop__svg {
		display: none;
	}
	.loop-steps {
		position: relative;
		padding-left: 20px;
	}
	.loop-steps::before {
		content: '';
		position: absolute;
		left: 0;
		top: 10px;
		bottom: 10px;
		width: 3px;
		background: var(--doha-secondary);
	}
	.loop-step {
		transform: none !important;
	}
}

@media (max-width: 480px) {
	.hero__title {
		font-size: 2rem;
	}
	.hero__actions {
		flex-direction: column;
	}
	.hero__actions .btn {
		width: 100%;
	}
	.impact__grid {
		grid-template-columns: 1fr;
	}
	.material-tiles {
		grid-template-columns: 1fr;
	}
	.esg__pillars {
		grid-template-columns: 1fr;
	}
	.app-badges {
		grid-template-columns: 1fr;
	}
	.lead-modal__dialog {
		padding: 28px 20px;
	}
	.doha-form--card {
		padding: 24px 16px;
	}
}