*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
	margin: 0;
	font-family: var(--font-body);
	font-size: var(--body);
	color: var(--reviva-text);
	background: var(--reviva-bg);
	line-height: 1.6;
}
h1, h2, h3, h4 { font-family: var(--font-heading); line-height: 1.2; margin: 0 0 var(--space-3); }
h1 { font-size: var(--h1); }
h2 { font-size: var(--h2); }
h3 { font-size: var(--h3); }
p { margin: 0 0 var(--space-3); }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }

.skip-link {
	position: absolute;
	left: -9999px;
	top: 0;
	background: var(--reviva-surface);
	padding: var(--space-2) var(--space-3);
	z-index: 999;
}
.skip-link:focus { left: var(--space-2); }

.reviva-container {
	max-width: var(--container-width);
	margin-inline: auto;
	padding-inline: var(--space-4);
}

.reviva-btn {
	display: inline-block;
	padding: 0.75rem 1.5rem;
	border-radius: var(--radius-sm);
	text-decoration: none;
	font-weight: 600;
	transition: background-color 0.2s ease;
	min-height: 44px;
	line-height: 1;
	display: inline-flex;
	align-items: center;
}
.reviva-btn--primary { background: var(--reviva-cta); color: #fff; }
.reviva-btn--primary:hover { background: var(--reviva-cta-hover); }
.reviva-btn--ghost { background: transparent; border: 1px solid var(--reviva-border); color: var(--reviva-text); }

.reviva-grid { display: grid; gap: var(--space-4); }
.reviva-grid--3 { grid-template-columns: repeat(1, 1fr); }
.reviva-grid--4 { grid-template-columns: repeat(1, 1fr); }
@media (min-width: 768px) {
	.reviva-grid--3 { grid-template-columns: repeat(2, 1fr); }
	.reviva-grid--4 { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px) {
	.reviva-grid--3 { grid-template-columns: repeat(3, 1fr); }
	.reviva-grid--4 { grid-template-columns: repeat(4, 1fr); }
}

.reviva-section { padding-block: var(--space-6); }

/* Header */
.reviva-site-header {
	position: sticky;
	top: 0;
	background: var(--reviva-surface);
	border-bottom: 1px solid var(--reviva-border);
	z-index: 50;
}
.reviva-site-header__inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	min-height: var(--header-height);
	gap: var(--space-4);
}
.reviva-site-header__nav ul { display: flex; gap: var(--space-4); list-style: none; margin: 0; padding: 0; flex-wrap: wrap; }
.reviva-site-header__cta { display: flex; gap: var(--space-2); }
.reviva-site-header__cta--mobile { display: none; }

.reviva-nav-toggle {
	display: none;
	flex-direction: column;
	justify-content: center;
	gap: 5px;
	width: 44px;
	height: 44px;
	padding: 0;
	background: transparent;
	border: 1px solid var(--reviva-border);
	border-radius: var(--radius-sm);
	cursor: pointer;
}
.reviva-nav-toggle__bar {
	display: block;
	width: 20px;
	height: 2px;
	margin-inline: auto;
	background: var(--reviva-text);
	transition: transform 0.2s ease, opacity 0.2s ease;
}
.reviva-nav-toggle[aria-expanded="true"] .reviva-nav-toggle__bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.reviva-nav-toggle[aria-expanded="true"] .reviva-nav-toggle__bar:nth-child(2) { opacity: 0; }
.reviva-nav-toggle[aria-expanded="true"] .reviva-nav-toggle__bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 899px) {
	.reviva-nav-toggle { display: flex; }
	.reviva-site-header__cta--desktop { display: none; }
	.reviva-site-header__cta--mobile { display: flex; flex-direction: column; gap: var(--space-2); margin-top: var(--space-4); }

	.reviva-site-header__nav {
		position: fixed;
		inset: var(--header-height) 0 0 0;
		background: var(--reviva-surface);
		padding: var(--space-4);
		overflow-y: auto;
		transform: translateX(100%);
		transition: transform 0.25s ease;
		z-index: 49;
	}
	.reviva-site-header__nav.is-open { transform: translateX(0); }
	.reviva-site-header__nav ul { flex-direction: column; gap: var(--space-3); }
}

/* Footer */
.reviva-site-footer { background: var(--reviva-sage-900); color: #fff; margin-top: var(--space-8); }
.reviva-site-footer a { color: #fff; }
.reviva-site-footer__inner { display: grid; gap: var(--space-5); padding-block: var(--space-6); grid-template-columns: 1fr; }
@media (min-width: 768px) { .reviva-site-footer__inner { grid-template-columns: repeat(3, 1fr); } }
.reviva-site-footer__bottom { padding-block: var(--space-3); border-top: 1px solid rgba(255,255,255,0.15); font-size: 0.875rem; }
.reviva-site-footer__social a { margin-right: var(--space-3); }

/* Content-visibility for offscreen sections */
.reviva-section, .reviva-testimonial-card { content-visibility: auto; }

@media (max-width: 767px) {
	:root { --header-height: 64px; }
}