*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
	--bg: #0B0F19;
	--card: #121826;
	--border: #1E293B;
	--accent: #00F0FF;
	--green: #00FF85;
	--alert: #FF4A4A;
	--slate-200: #e2e8f0;
	--slate-300: #cbd5e1;
	--slate-400: #94a3b8;
	--slate-500: #64748b;
	--slate-600: #475569;
	--slate-700: #334155;
	--slate-800: #1e293b;
	--slate-900: #0f172a;
}

html { scroll-behavior: smooth; }

body {
	font-family: 'Inter', system-ui, sans-serif;
	background: var(--bg);
	color: var(--slate-300);
	line-height: 1.5;
	-webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.container-sm { max-width: 48rem; margin: 0 auto; padding: 0 1.5rem; }
.text-center { text-align: center; }
.text-white { color: #fff; }
.font-semibold { font-weight: 600; }
.mb-8 { margin-bottom: 2rem; }

/* ===== NAV ===== */
.nav {
	position: fixed;
	top: 0; left: 0; right: 0;
	z-index: 50;
	height: 4rem;
	background: rgba(11, 15, 25, 0.92);
	backdrop-filter: blur(12px);
	border-bottom: 1px solid var(--border);
}
.nav-inner {
	max-width: 72rem;
	margin: 0 auto;
	padding: 0 1.5rem;
	height: 100%;
	display: flex;
	align-items: center;
	justify-content: space-between;
}
.nav-logo-img { height: 28px; width: auto; }

.secure-badge {
	display: flex;
	align-items: center;
	gap: 0.5rem;
	background: rgba(255, 74, 74, 0.1);
	border: 1px solid rgba(255, 74, 74, 0.3);
	padding: 0.375rem 0.75rem;
	border-radius: 0.25rem;
	font-size: 0.6875rem;
	font-family: ui-monospace, monospace;
	color: var(--alert);
	text-transform: uppercase;
	letter-spacing: 0.08em;
}
.secure-dot {
	width: 0.5rem;
	height: 0.5rem;
	border-radius: 50%;
	background: var(--alert);
	animation: pulse 1.5s infinite;
}
@keyframes pulse {
	0%, 100% { opacity: 1; }
	50% { opacity: 0.35; }
}

/* ===== PAGE HERO ===== */
.page-hero {
	position: relative;
	padding: 8rem 1.5rem 3rem;
	overflow: hidden;
	text-align: center;
}
.hero-bg {
	position: absolute;
	inset: 0;
	background: radial-gradient(ellipse at top, var(--slate-900), var(--bg));
	z-index: 0;
}
.hero-grid {
	position: absolute;
	inset: 0;
	background-image:
		linear-gradient(to right, rgba(30,41,59,0.08) 1px, transparent 1px),
		linear-gradient(to bottom, rgba(30,41,59,0.08) 1px, transparent 1px);
	background-size: 4rem 4rem;
	z-index: 1;
	pointer-events: none;
}
.hero-content {
	position: relative;
	z-index: 2;
	margin: 0 auto;
}
.badge-alert {
	display: inline-block;
	font-size: 0.6875rem;
	font-weight: 700;
	font-family: ui-monospace, monospace;
	text-transform: uppercase;
	letter-spacing: 0.12em;
	color: var(--alert);
	background: rgba(255, 74, 74, 0.1);
	border: 1px solid rgba(255, 74, 74, 0.25);
	padding: 0.3rem 0.75rem;
	border-radius: 0.25rem;
	margin-bottom: 1.25rem;
}
.page-hero-title {
	font-size: clamp(1.75rem, 4vw, 2.5rem);
	font-weight: 900;
	color: #fff;
	letter-spacing: -0.02em;
	margin-bottom: 1rem;
}
.page-hero-desc {
	font-size: 0.9375rem;
	font-weight: 400;
	color: var(--slate-400);
	line-height: 1.7;
}

/* ===== SECTION ===== */
.section { padding: 3rem 0 5rem; }

/* ===== DATA CARD ===== */
.data-card {
	background: rgba(18, 24, 38, 0.65);
	border: 1px solid var(--border);
	border-radius: 0.75rem;
	padding: 1.35rem 1.5rem;
}
.data-card-header {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 0.5rem 0.75rem;
	border-bottom: 1px solid var(--slate-800);
	padding-bottom: 0.75rem;
	margin-bottom: 1rem;
}
.data-card-id {
	font-family: ui-monospace, monospace;
	font-size: 0.6875rem;
	font-weight: 700;
	color: var(--accent);
}
.data-card-title {
	font-size: 0.8125rem;
	font-weight: 700;
	text-transform: uppercase;
	letter-spacing: 0.06em;
	color: #fff;
}

.data-file-list {
	display: flex;
	flex-direction: column;
	gap: 0.5rem;
}
.data-file {
	display: flex;
	flex-direction: column;
	gap: 0.75rem;
	padding: 0.85rem;
	background: rgba(11, 15, 25, 0.65);
	border: 1px solid var(--slate-800);
	border-radius: 0.375rem;
	transition: border-color 0.2s;
}
.data-file:hover { border-color: var(--slate-700); }
@media (min-width: 640px) {
	.data-file {
		flex-direction: row;
		align-items: center;
		justify-content: space-between;
	}
}
.data-file-info {
	display: flex;
	align-items: flex-start;
	gap: 0.75rem;
}
.file-badge {
	padding: 0.2rem 0.45rem;
	font-size: 0.625rem;
	font-family: ui-monospace, monospace;
	font-weight: 700;
	border-radius: 0.25rem;
	flex-shrink: 0;
}
.file-xlsx {
	background: rgba(34, 197, 94, 0.1);
	color: #4ade80;
	border: 1px solid rgba(34, 197, 94, 0.25);
}
.file-pdf {
	background: rgba(239, 68, 68, 0.1);
	color: #f87171;
	border: 1px solid rgba(239, 68, 68, 0.25);
}
.file-pptx {
	background: rgba(249, 115, 22, 0.1);
	color: #fb923c;
	border: 1px solid rgba(249, 115, 22, 0.25);
}
.data-file-name {
	font-size: 0.8125rem;
	font-weight: 500;
	color: var(--slate-200);
	line-height: 1.45;
}
.data-file-actions {
	display: flex;
	align-items: center;
	gap: 0.75rem;
	font-size: 0.75rem;
	font-family: ui-monospace, monospace;
	flex-shrink: 0;
}
.data-file-ver { color: var(--slate-500); }
.data-link-download { color: var(--green); }
.data-link-download:hover { text-decoration: underline; }
.data-link-view { color: var(--accent); }
.data-link-view:hover { text-decoration: underline; }
.data-sep { color: var(--slate-700); }

/* ===== SUPPORT ===== */
.data-support {
	border: 1px dashed var(--slate-800);
	border-radius: 0.75rem;
	padding: 1.25rem;
	text-align: center;
	background: rgba(2, 6, 23, 0.25);
}
.support-text {
	font-size: 0.875rem;
	color: var(--slate-400);
	margin-bottom: 0.5rem;
}
.support-note {
	font-size: 0.75rem;
	font-family: ui-monospace, monospace;
	color: var(--slate-500);
}

/* ===== FOOTER ===== */
.footer {
	border-top: 1px solid var(--border);
	padding: 2rem 0;
}
.footer-inner {
	max-width: 48rem;
	margin: 0 auto;
	padding: 0 1.5rem;
}
.footer-secure {
	font-size: 0.6875rem;
	font-family: ui-monospace, monospace;
	text-transform: uppercase;
	letter-spacing: 0.1em;
	color: var(--slate-500);
	margin-bottom: 0.5rem;
}
.footer-legal {
	font-size: 0.75rem;
	color: var(--slate-600);
	line-height: 1.5;
}