/* -------------------------------------------------
   KOŠ Informatika - glavni stilovi
   ------------------------------------------------- */

:root {
	--kos-primary: #1e3a5f;
	--kos-accent: #f2a541;
	--kos-bg: #ffffff;
	--kos-bg-alt: #f6f8fa;
	--kos-text: #23282d;
	--kos-text-light: #6b7280;
	--kos-border: #e5e7eb;
	--kos-radius: 14px;
	--kos-shadow: 0 4px 16px rgba(0,0,0,0.08);
	--kos-max-width: 1200px;
}

* { box-sizing: border-box; }

body {
	margin: 0;
	font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
	color: var(--kos-text);
	background: var(--kos-bg);
	line-height: 1.6;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--kos-primary); text-decoration: none; }
a:hover { color: var(--kos-accent); }
.screen-reader-text { position: absolute; left: -9999px; }

/* ---------- HEADER ---------- */
.site-header {
	background: var(--kos-bg);
	border-bottom: 1px solid var(--kos-border);
	position: sticky;
	top: 0;
	z-index: 100;
}
.header-inner {
	max-width: var(--kos-max-width);
	margin: 0 auto;
	padding: 12px 20px;
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 20px;
}
.site-title { font-size: 1.4rem; font-weight: 800; color: var(--kos-primary); }

/* Mega meni */
.primary-menu {
	list-style: none;
	display: flex;
	gap: 4px;
	margin: 0;
	padding: 0;
	flex-wrap: wrap;
}
.primary-menu li { position: relative; }
.primary-menu a {
	display: block;
	padding: 12px 14px;
	font-weight: 600;
	font-size: 0.92rem;
	color: var(--kos-text);
	border-radius: 8px;
}
.primary-menu > li > a:hover,
.primary-menu > li.current-menu-item > a { background: var(--kos-bg-alt); color: var(--kos-primary); }

.primary-menu ul {
	list-style: none;
	margin: 0;
	padding: 8px;
	position: absolute;
	top: 100%;
	left: 0;
	min-width: 260px;
	background: var(--kos-bg);
	border: 1px solid var(--kos-border);
	border-radius: 10px;
	box-shadow: var(--kos-shadow);
	opacity: 0;
	visibility: hidden;
	transform: translateY(6px);
	transition: all .15s ease;
}
.primary-menu li:hover > ul,
.primary-menu li:focus-within > ul { opacity: 1; visibility: visible; transform: translateY(0); }
.primary-menu ul ul { top: 0; left: 100%; }
.primary-menu ul a { padding: 8px 12px; font-size: 0.88rem; font-weight: 500; }

.menu-toggle {
	display: none;
	flex-direction: column;
	gap: 4px;
	background: none;
	border: none;
	cursor: pointer;
	padding: 8px;
}
.menu-toggle-bar { width: 24px; height: 2px; background: var(--kos-text); }

/* ---------- HERO / COUNTDOWN ---------- */
.hero {
	text-align: center;
	padding: 60px 20px 40px;
	background: linear-gradient(180deg, var(--kos-bg-alt), var(--kos-bg));
}
.hero-title { font-size: 2.2rem; color: var(--kos-primary); margin: 0 0 8px; }
.hero-subtitle { color: var(--kos-text-light); margin: 0 0 30px; }
.countdown-label { font-size: 1.1rem; color: var(--kos-text); margin-bottom: 16px; }
.countdown { display: flex; justify-content: center; gap: 14px; flex-wrap: wrap; }
.countdown-box {
	background: var(--kos-primary);
	color: #fff;
	border-radius: var(--kos-radius);
	padding: 16px 20px;
	min-width: 84px;
}
.cd-value { display: block; font-size: 1.8rem; font-weight: 800; }
.cd-unit { display: block; font-size: 0.75rem; opacity: 0.8; text-transform: uppercase; letter-spacing: 0.05em; }

/* ---------- KARTICE RAZREDA ---------- */
.razredi-grid, .archive-grid {
	max-width: var(--kos-max-width);
	margin: 40px auto;
	padding: 0 20px;
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
	gap: 24px;
}
.razred-card, .archive-card {
	background: var(--kos-bg);
	border: 1px solid var(--kos-border);
	border-radius: var(--kos-radius);
	overflow: hidden;
	text-align: center;
	box-shadow: var(--kos-shadow);
	transition: transform .15s ease;
}
.razred-card:hover { transform: translateY(-4px); }
.razred-card-img img, .archive-card-img img { aspect-ratio: 3/4; object-fit: cover; width: 100%; }
.razred-card-title { font-size: 1.05rem; margin: 14px 10px 10px; }
.razred-card-btn {
	display: inline-block;
	margin: 0 auto 18px;
	padding: 8px 16px;
	background: var(--kos-accent);
	color: #fff;
	border-radius: 999px;
	font-size: 0.8rem;
	font-weight: 700;
	letter-spacing: 0.03em;
}
.razred-card-btn:hover { background: var(--kos-primary); color: #fff; }

/* ---------- BLOKOVI (Projekti, Natjecanja...) ---------- */
.blokovi-grid {
	max-width: var(--kos-max-width);
	margin: 20px auto 60px;
	padding: 0 20px;
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
	gap: 20px;
}
.blok-card {
	display: block;
	background: var(--kos-bg-alt);
	border-radius: var(--kos-radius);
	padding: 20px;
	color: var(--kos-text);
}
.blok-card:hover { background: #eef1f4; }
.blok-card-img img { border-radius: 10px; margin-bottom: 12px; }
.blok-card-title { margin: 0 0 8px; color: var(--kos-primary); }
.blok-card-text { font-size: 0.9rem; color: var(--kos-text-light); }

/* ---------- OPĆI SADRŽAJ ---------- */
.content-wrap {
	max-width: 860px;
	margin: 50px auto;
	padding: 0 20px;
}
.entry-title { color: var(--kos-primary); }
.page-thumbnail { margin-bottom: 24px; border-radius: var(--kos-radius); overflow: hidden; }

/* ---------- FOOTER ---------- */
.site-footer { background: var(--kos-primary); color: #fff; margin-top: 60px; }
.footer-inner { max-width: var(--kos-max-width); margin: 0 auto; padding: 40px 20px; }
.footer-widget-title { text-transform: uppercase; font-size: 0.85rem; letter-spacing: 0.05em; margin-bottom: 14px; }
.footer-menu { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 8px 20px; }
.footer-menu a { color: #d9e2ec; font-size: 0.9rem; }
.footer-menu a:hover { color: var(--kos-accent); }
.footer-meta { margin-top: 30px; padding-top: 20px; border-top: 1px solid rgba(255,255,255,0.15); font-size: 0.82rem; color: #b7c4d3; }

/* ---------- RESPONSIVE ---------- */
@media (max-width: 880px) {
	.menu-toggle { display: flex; }
	.primary-navigation {
		display: none;
		width: 100%;
		order: 3;
	}
	.primary-navigation.is-open { display: block; }
	.primary-menu { flex-direction: column; }
	.primary-menu ul { position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none; border: none; display: none; }
	.primary-menu li.submenu-open > ul { display: block; }
	.header-inner { flex-wrap: wrap; }
}