/* ============ Ozone Portfolio — base variables (override in your theme) ============ */
.ozp-portfolio-wrap, .ozp-single, .ozp-related {
	--ozp-ink: #14161a;
	--ozp-muted: #6b7280;
	--ozp-accent: #c9a24b;
	--ozp-bg-soft: #f6f5f2;
	--ozp-border: #e7e5e0;
	--ozp-radius: 14px;
	font-family: inherit;
	color: var(--ozp-ink);
}

/* ============ Filters ============ */
.ozp-filters {
	display: flex;
	flex-wrap: wrap;
	gap: 10px;
	justify-content: center;
	margin-bottom: 40px;
}
.ozp-filter-btn {
	background: transparent;
	border: 1px solid var(--ozp-border);
	color: var(--ozp-muted);
	padding: 9px 20px;
	border-radius: 999px;
	font-size: 14px;
	font-weight: 600;
	cursor: pointer;
	transition: all .2s ease;
}
.ozp-filter-btn:hover { border-color: var(--ozp-accent); color: var(--ozp-ink); }
.ozp-filter-btn.is-active { background: var(--ozp-ink); border-color: var(--ozp-ink); color: #fff; }

/* ============ Grid ============ */
.ozp-grid {
	display: grid;
	gap: 28px;
	grid-template-columns: repeat(3, 1fr);
}
.ozp-cols-2 { grid-template-columns: repeat(2, 1fr); }
.ozp-cols-4 { grid-template-columns: repeat(4, 1fr); }

.ozp-card {
	display: block;
	text-decoration: none;
	color: inherit;
	background: #fff;
	border-radius: var(--ozp-radius);
	overflow: hidden;
	border: 1px solid var(--ozp-border);
	transition: transform .35s ease, box-shadow .35s ease;
}
.ozp-card:hover {
	transform: translateY(-6px);
	box-shadow: 0 20px 40px -20px rgba(20,22,26,0.25);
}
.ozp-card.ozp-hidden { display: none; }

.ozp-card-image {
	position: relative;
	aspect-ratio: 4 / 3;
	overflow: hidden;
	background: var(--ozp-bg-soft);
}
.ozp-card-image img {
	width: 100%; height: 100%; object-fit: cover; display: block;
	transition: transform .5s ease;
}
.ozp-card:hover .ozp-card-image img { transform: scale(1.08); }
.ozp-card-placeholder {
	width: 100%; height: 100%; display: flex; align-items: center; justify-content: center;
	color: var(--ozp-border); font-size: 40px;
}
.ozp-card-overlay {
	position: absolute; inset: 0;
	background: linear-gradient(0deg, rgba(20,22,26,.75), rgba(20,22,26,0) 60%);
	display: flex; align-items: flex-end; justify-content: flex-start;
	padding: 18px;
	opacity: 0; transition: opacity .3s ease;
}
.ozp-card:hover .ozp-card-overlay { opacity: 1; }
.ozp-view-btn { color: #fff; font-weight: 600; font-size: 14px; }

.ozp-card-body { padding: 20px 22px 24px; }
.ozp-card-tag {
	display: inline-block;
	font-size: 11px;
	font-weight: 700;
	letter-spacing: .06em;
	text-transform: uppercase;
	color: var(--ozp-accent);
	margin-bottom: 8px;
}
.ozp-card-body h3 { margin: 0 0 6px; font-size: 19px; line-height: 1.3; }
.ozp-card-meta { margin: 0; font-size: 13px; color: var(--ozp-muted); }

/* ============ Single case-study page ============ */
.ozp-single-hero { position: relative; }
.ozp-single-hero-image {
	aspect-ratio: 21 / 9;
	overflow: hidden;
	background: var(--ozp-bg-soft);
}
.ozp-single-hero-image img { width: 100%; height: 100%; object-fit: cover; }
.ozp-single-hero-text {
	max-width: 900px;
	margin: 0 auto;
	padding: 36px 20px 0;
}
.ozp-single-hero-text h1 { font-size: clamp(28px, 4vw, 44px); margin: 6px 0 14px; }
.ozp-single-summary { color: var(--ozp-muted); font-size: 18px; max-width: 700px; }

.ozp-single-body {
	display: grid;
	grid-template-columns: 260px 1fr;
	gap: 60px;
	max-width: 1100px;
	margin: 50px auto;
	padding: 0 20px;
	align-items: start;
}
.ozp-single-sidebar {
	position: sticky;
	top: 30px;
	background: var(--ozp-bg-soft);
	border-radius: var(--ozp-radius);
	padding: 24px;
}
.ozp-meta-row { margin-bottom: 16px; }
.ozp-meta-row span { display: block; font-size: 12px; text-transform: uppercase; letter-spacing: .05em; color: var(--ozp-muted); margin-bottom: 3px; }
.ozp-meta-row strong { font-size: 15px; }
.ozp-tech-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 4px; }
.ozp-tech-tag { background: #fff; border: 1px solid var(--ozp-border); border-radius: 999px; padding: 3px 10px; font-size: 12px; }
.ozp-visit-btn {
	display: inline-block;
	margin-top: 8px;
	background: var(--ozp-ink);
	color: #fff !important;
	text-decoration: none;
	padding: 12px 20px;
	border-radius: 8px;
	font-weight: 600;
	font-size: 14px;
	text-align: center;
	width: 100%;
	box-sizing: border-box;
}
.ozp-visit-btn:hover { background: var(--ozp-accent); }

.ozp-cs-section { margin-bottom: 36px; }
.ozp-cs-section h2 { font-size: 22px; margin-bottom: 10px; }
.ozp-cs-section p { color: #333; line-height: 1.7; font-size: 16px; }
.ozp-cs-result h2 { color: var(--ozp-accent); }

.ozp-cs-gallery h2 { font-size: 22px; margin-bottom: 16px; }
.ozp-gallery-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.ozp-gallery-item { display: block; border-radius: 10px; overflow: hidden; }
.ozp-gallery-item img { width: 100%; display: block; }

.ozp-single-cta {
	background: var(--ozp-ink);
	color: #fff;
	text-align: center;
	padding: 60px 20px;
	margin-top: 20px;
}
.ozp-single-cta h2 { color: #fff; margin-bottom: 20px; }
.ozp-single-cta .ozp-visit-btn { width: auto; display: inline-block; padding: 14px 32px; }

.ozp-related { max-width: 1100px; margin: 60px auto; padding: 0 20px; }
.ozp-related h2 { margin-bottom: 24px; }

/* ============ Responsive ============ */
@media (max-width: 900px) {
	.ozp-grid, .ozp-cols-4, .ozp-cols-3 { grid-template-columns: repeat(2, 1fr); }
	.ozp-single-body { grid-template-columns: 1fr; }
	.ozp-single-sidebar { position: static; }
}
@media (max-width: 600px) {
	.ozp-grid, .ozp-cols-4, .ozp-cols-3, .ozp-cols-2 { grid-template-columns: 1fr; }
	.ozp-gallery-grid { grid-template-columns: 1fr; }
	.ozp-filters { justify-content: flex-start; overflow-x: auto; flex-wrap: nowrap; padding-bottom: 6px; }
}