*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
	margin: 0;
	font-family: var(--zz-font-en);
	color: var(--zz-charcoal);
	background: var(--zz-white);
	font-size: 16px;
	line-height: 1.65;
	-webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4, h5, h6 {
	font-weight: 800;
	line-height: 1.2;
	margin: 0 0 var(--zz-space-sm);
	color: var(--zz-black);
	letter-spacing: -0.01em;
}
h1 { font-size: clamp(2rem, 4vw, 3.2rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.4rem); }
h3 { font-size: 1.25rem; }
p { margin: 0 0 var(--zz-space-sm); color: var(--zz-gray); }
table { border-collapse: collapse; width: 100%; }
button { font-family: inherit; cursor: pointer; }
input, textarea, select { font-family: inherit; font-size: 1rem; }

.screen-reader-text {
	position: absolute !important;
	width: 1px; height: 1px;
	overflow: hidden;
	clip: rect(1px,1px,1px,1px);
	white-space: nowrap;
}
.zz-skip-link {
	position: fixed;
	top: -100px;
	left: 0;
	background: var(--zz-gold);
	color: var(--zz-black);
	padding: 12px 20px;
	z-index: 10000;
	font-weight: 700;
	transition: top var(--zz-transition);
}
.zz-skip-link:focus { top: 0; position: absolute; }

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
	outline: 3px solid var(--zz-gold);
	outline-offset: 2px;
}

.zz-container {
	max-width: var(--zz-container-width);
	margin: 0 auto;
	padding: 0 var(--zz-space-md);
}
.zz-content-narrow {
	max-width: 860px;
}
.zz-content-narrow h2 { margin-top: var(--zz-space-lg); }
.zz-content-narrow ul { margin: 0 0 var(--zz-space-md); padding-left: 1.2em; list-style: disc; }
.zz-content-narrow li { color: var(--zz-gray); margin-bottom: 6px; }

.zz-section { padding: var(--zz-space-2xl) 0; }
.zz-section-light { background: var(--zz-light); }

.zz-eyebrow {
	display: inline-block;
	font-size: 0.8rem;
	font-weight: 700;
	letter-spacing: 0.14em;
	text-transform: uppercase;
	color: var(--zz-gold-dark);
	border-bottom: 2px solid var(--zz-gold);
	padding-bottom: 4px;
	margin-bottom: var(--zz-space-sm);
}
.zz-eyebrow-light { color: var(--zz-gold); }

.zz-section-heading { text-align: center; max-width: 720px; margin: 0 auto var(--zz-space-xl); }
.zz-section-heading .zz-eyebrow { display: block; }

.zz-btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 8px;
	padding: 15px 30px;
	font-weight: 700;
	font-size: 0.95rem;
	border-radius: var(--zz-radius);
	border: 2px solid transparent;
	transition: transform var(--zz-transition), background var(--zz-transition), color var(--zz-transition), border-color var(--zz-transition);
	white-space: nowrap;
}
.zz-btn-sm { padding: 10px 20px; font-size: 0.85rem; }
.zz-btn-gold { background: var(--zz-gold); color: var(--zz-black); }
.zz-btn-gold:hover { background: var(--zz-gold-dark); transform: translateY(-2px); }
.zz-btn-dark { background: var(--zz-black); color: var(--zz-white); }
.zz-btn-dark:hover { background: var(--zz-charcoal); transform: translateY(-2px); }
.zz-btn-outline-light { border-color: rgba(255,255,255,0.55); color: var(--zz-white); }
.zz-btn-outline-light:hover { background: rgba(255,255,255,0.12); border-color: var(--zz-white); }

.zz-empty-state { text-align: center; color: var(--zz-gray); padding: var(--zz-space-xl) 0; }

.zz-op-card, .zz-esg-card, .zz-esg-block, .zz-project-card, .zz-news-card, .zz-simple-card, .zz-contact-card {
	opacity: 0;
	transform: translateY(18px);
	transition: opacity 500ms ease, transform 500ms ease;
}
.zz-op-card.zz-in-view, .zz-esg-card.zz-in-view, .zz-esg-block.zz-in-view,
.zz-project-card.zz-in-view, .zz-news-card.zz-in-view, .zz-simple-card.zz-in-view, .zz-contact-card.zz-in-view {
	opacity: 1;
	transform: translateY(0);
}
@media (prefers-reduced-motion: reduce) {
	.zz-op-card, .zz-esg-card, .zz-esg-block, .zz-project-card, .zz-news-card, .zz-simple-card, .zz-contact-card {
		opacity: 1;
		transform: none;
		transition: none;
	}
}
