/*
 * NOVOX design system — hand-ported from src/styles.css (Tailwind v4 @theme
 * tokens) into plain CSS custom properties + utility classes, since these
 * pieces aren't expressible as plain Tailwind CDN utility classes.
 */

:root {
	--radius: 0.75rem;
	--primary: #0B4F9C;
	--primary-dark: #0a3f7d;
	--primary-light: #1e63b8;
	--secondary: #1E293B;
	--accent: #F59E0B;
	--foreground: #282f3d;
	--muted-foreground: #6b7385;
	--border: #e6e9ef;
	--card: #ffffff;
	--shadow-card: 0 1px 2px rgba(30,41,59,0.06), 0 8px 24px -12px rgba(30,41,59,0.18);
	--shadow-elevated: 0 24px 60px -28px rgba(30,64,175,0.45);
}

html { scroll-behavior: smooth; }
body { -webkit-font-smoothing: antialiased; }
h1, h2, h3, h4, h5, h6 { font-family: 'Poppins', ui-sans-serif, system-ui, sans-serif; letter-spacing: -0.02em; }
::selection { background: var(--primary); color: #fff; }

.text-balance { text-wrap: balance; }

/* Layout utilities */
.container-page {
	width: 100%;
	margin-inline: auto;
	max-width: 80rem;
	padding-inline: 1.25rem;
}
@media (min-width: 1024px) {
	.container-page { padding-inline: 2rem; }
}

.section-y { padding-block: 4.5rem; }
@media (min-width: 1024px) {
	.section-y { padding-block: 6.5rem; }
}

.eyebrow {
	display: inline-flex;
	align-items: center;
	gap: 0.5rem;
	font-size: 0.75rem;
	font-weight: 600;
	letter-spacing: 0.18em;
	text-transform: uppercase;
	color: var(--primary);
}

.card-surface {
	background: var(--card);
	border: 1px solid var(--border);
	border-radius: 1rem;
	box-shadow: var(--shadow-card);
	transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.35s ease, border-color 0.35s ease;
}
.card-surface:hover {
	transform: translateY(-4px);
	border-color: rgba(11, 79, 156, 0.35);
	box-shadow: var(--shadow-elevated);
}

.hero-overlay {
	background: linear-gradient(100deg, rgba(30,41,59,0.94) 0%, rgba(10,63,125,0.82) 48%, rgba(10,63,125,0.55) 100%);
}

.text-gradient-brand {
	background: linear-gradient(100deg, var(--accent), #e0c46a);
	-webkit-background-clip: text;
	background-clip: text;
	color: transparent;
}

/* Buttons (equivalent of button.tsx variants) */
.btn-primary { background: var(--primary); color: #fff; transition: background-color .2s; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-accent { background: var(--accent); color: var(--foreground); transition: filter .2s, transform .2s; }
.btn-accent:hover { filter: brightness(1.05); transform: translateY(-2px); }
.btn-on-dark { border: 1px solid rgba(255,255,255,0.35); background: rgba(255,255,255,0.05); color: #fff; backdrop-filter: blur(4px); transition: background-color .2s; }
.btn-on-dark:hover { background: rgba(255,255,255,0.15); }
.btn-outline { border: 1px solid var(--border); background: #fff; color: var(--foreground); transition: background-color .2s; }
.btn-outline:hover { background: #f7f8fa; }

/* Scroll reveal (progressive enhancement — content is visible without JS) */
.reveal {
	opacity: 0;
	transform: translateY(28px);
	transition: opacity 0.8s cubic-bezier(0.22, 1, 0.36, 1), transform 0.8s cubic-bezier(0.22, 1, 0.36, 1);
}
.reveal[data-visible="true"] { opacity: 1; transform: none; }
.no-js .reveal { opacity: 1; transform: none; }

@keyframes novox-fade-up { from { opacity: 0; transform: translateY(24px); } to { opacity: 1; transform: translateY(0); } }
@keyframes novox-fade-in { from { opacity: 0; } to { opacity: 1; } }
.animate-fade-up { animation: novox-fade-up 0.7s cubic-bezier(0.22, 1, 0.36, 1) both; }
.animate-fade-in-soft { animation: novox-fade-in 0.8s ease-out both; }

/* Mobile nav */
#mobile-nav.open { display: block; }
#novox-nav-bar.scrolled { box-shadow: var(--shadow-card); }

/* FAQ accordion */
.novox-accordion-item { border-bottom: 1px solid var(--border); }
.novox-accordion-trigger {
	width: 100%;
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 1rem;
	padding: 1.25rem 0;
	text-align: left;
	font-family: 'Poppins', sans-serif;
	font-weight: 600;
	background: none;
	border: none;
	cursor: pointer;
}
.novox-accordion-trigger:hover { color: var(--primary); }
.novox-accordion-trigger .chev { transition: transform .2s; }
.novox-accordion-item.open .chev { transform: rotate(90deg); }
.novox-accordion-content {
	display: none;
	padding-bottom: 1.25rem;
	font-size: 0.875rem;
	line-height: 1.6;
	color: var(--muted-foreground);
}
.novox-accordion-item.open .novox-accordion-content { display: block; }

/* Project filter buttons */
.novox-filter-btn {
	cursor: pointer;
	border-radius: 9999px;
	border: 1px solid var(--border);
	background: #fff;
	color: rgba(40,47,61,0.7);
	padding: 0.5rem 1.25rem;
	font-size: 0.875rem;
	font-weight: 500;
	transition: color .2s, border-color .2s, background-color .2s;
}
.novox-filter-btn:hover { border-color: var(--primary); color: var(--primary); }
.novox-filter-btn.active { border-color: var(--primary); background: var(--primary); color: #fff; }
[data-project][hidden] { display: none; }