* {
	margin: 0;
	padding: 0;
	box-sizing: border-box;
	font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
}

body {
	-webkit-font-smoothing: antialiased;
	-moz-osx-font-smoothing: grayscale;
	background: #ffffff;
	color: #111827;
}

/* Utility Classes */
.container {
	max-width: 1152px;
	margin: 0 auto;
	padding: 0 24px;
}

.container-lg {
	max-width: 1024px;
	margin: 0 auto;
	padding: 0 24px;
}

.container-xl {
	max-width: 1280px;
	margin: 0 auto;
	padding: 0 24px;
}

.text-center { text-align: center; }
.relative { position: relative; }
.fixed { position: fixed; }
.inline-block { display: inline-block; }
.flex { display: flex; }
.grid { display: grid; }
.hidden { display: none; }
.overflow-hidden { overflow: hidden; }

/* Flexbox */
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.flex-col { flex-direction: column; }
.space-x-8 > * + * { margin-left: 32px; }
.gap-4 { gap: 16px; }
.gap-6 { gap: 24px; }
.gap-8 { gap: 32px; }
.gap-16 { gap: 64px; }

/* Grid */
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }

@media (min-width: 768px) {
	.md\:grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
	.md\:grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
	.md\:flex { display: flex; }
	.sm\:flex-row { flex-direction: row; }
}

@media (min-width: 1024px) {
	.lg\:grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
	.lg\:grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
}

/* Positioning */
.top-0 { top: 0; }
.w-full { width: 100%; }
.z-50 { z-index: 50; }
.mt-1 { margin-top: 4px; }

/* Spacing */
.px-6 { padding-left: 24px; padding-right: 24px; }
.py-4 { padding-top: 16px; padding-bottom: 16px; }
.py-3 { padding-top: 12px; padding-bottom: 12px; }
.py-16 { padding-top: 64px; padding-bottom: 64px; }
.px-8 { padding-left: 32px; padding-right: 32px; }
.px-10 { padding-left: 40px; padding-right: 40px; }
.py-8 { padding-top: 32px; padding-bottom: 32px; }
.py-12 { padding-top: 48px; padding-bottom: 48px; }
.p-8 { padding: 32px; }
.p-10 { padding: 40px; }
.p-12 { padding: 48px; }
.mb-6 { margin-bottom: 24px; }
.mb-8 { margin-bottom: 32px; }
.mb-12 { margin-bottom: 48px; }
.mb-16 { margin-bottom: 64px; }
.mb-20 { margin-bottom: 80px; }
.mx-auto { margin-left: auto; margin-right: auto; }
.space-y-6 > * + * { margin-top: 24px; }

/* Borders */
.border-b { border-bottom: 1px solid; }
.border { border: 1px solid; }
.border-gray-200 { border-color: #e5e7eb; }
.border-white-20 { border-color: rgba(255, 255, 255, 0.2); }
.border-gray-600 { border-color: #4b5563; }
.border-gray-700 { border-color: #374151; }
.border-t { border-top: 1px solid; }

/* Border Radius */
.rounded-full { border-radius: 50%; }
.rounded-2xl { border-radius: 16px; }
.rounded-3xl { border-radius: 24px; }

/* Colors */
.text-blue-600 { color: #2563eb; }
.text-gray-600 { color: #4b5563; }
.text-gray-900 { color: #111827; }
.text-gray-700 { color: #374151; }
.text-gray-400 { color: #9ca3af; }
.text-gray-300 { color: #d1d5db; }
.text-gray-500 { color: #6b7280; }
.text-white { color: #ffffff; }
.text-red-300 { color: #fca5a5; }
.text-green-300 { color: #86efac; }
.text-red-600 { color: #dc2626; }
.text-green-600 { color: #16a34a; }
.text-purple-600 { color: #9333ea; }
.text-blue-400 { color: #60a5fa; }
.text-orange-600 { color: #ea580c; }
.text-teal-600 { color: #0d9488; }
.text-red-800 { color: #991b1b; }
.text-yellow-300 { color: #fde047; }
.text-yellow-400 { color: #facc15; }
.text-green-400 { color: #4ade80; }
.text-blue-700 { color: #1d4ed8; }

/* Background Colors */
.bg-white { background-color: #ffffff; }
.bg-gray-50 { background-color: #f9fafb; }
.bg-gray-900 { background-color: #111827; }
.bg-blue-100 { background-color: #dbeafe; }
.bg-purple-100 { background-color: #ede9fe; }
.bg-green-100 { background-color: #dcfce7; }
.bg-red-100 { background-color: #fee2e2; }
.bg-orange-100 { background-color: #ffedd5; }
.bg-teal-100 { background-color: #ccfbf1; }
.bg-amber-50 { background-color: #fffbeb; }
.bg-blue-50 { background-color: #eff6ff; }
.bg-red-600 { background-color: #dc2626; }
.bg-green-600 { background-color: #16a34a; }
.bg-blue-600 { background-color: #2563eb; }
.bg-red-700 { background-color: #b91c1c; }
.bg-green-700 { background-color: #15803d; }
.bg-blue-700 { background-color: #1d4ed8; }
.bg-gray-100 { background-color: #f3f4f6; }
.bg-gray-800 { background-color: #1f2937; }

/* Background Gradients */
.bg-gradient-red-orange {
	background: linear-gradient(135deg, #ef4444 0%, #f97316 100%);
}

.bg-gradient-red-orange-soft {
	background: linear-gradient(135deg, #fef2f2 0%, #fff7ed 100%);
}

/* Hover Effects */
.hover\:text-gray-900:hover { color: #111827; }
.hover\:bg-white-10:hover { background-color: rgba(255, 255, 255, 0.1); }
.hover\:bg-red-700:hover { background-color: #b91c1c; }
.hover\:bg-green-700:hover { background-color: #15803d; }
.hover\:bg-blue-700:hover { background-color: #1d4ed8; }
.hover\:text-blue-700:hover { color: #1d4ed8; }
.hover\:bg-gray-800:hover { background-color: #1f2937; }
.hover\:bg-gray-100:hover { background-color: #f3f4f6; }
.hover\:text-white:hover { color: #ffffff; }
.hover\:underline:hover { text-decoration: underline; }

/* Transitions */
.transition-colors { transition: color 0.15s ease-in-out, background-color 0.15s ease-in-out, border-color 0.15s ease-in-out; }
.transition-all { transition: all 0.15s ease-in-out; }

/* Typography */
.text-2xl { font-size: 24px; line-height: 32px; }
.text-sm { font-size: 14px; line-height: 20px; }
.text-base { font-size: 16px; line-height: 24px; }
.text-lg { font-size: 18px; line-height: 28px; }
.text-xl { font-size: 20px; line-height: 28px; }
.text-3xl { font-size: 30px; line-height: 36px; }
.text-5xl { font-size: 48px; line-height: 1; }
.text-6xl { font-size: 60px; line-height: 1; }
.text-8xl { font-size: 96px; line-height: 1; }

@media (min-width: 768px) {
	.md\:text-2xl { font-size: 24px; line-height: 32px; }
	.md\:text-6xl { font-size: 60px; line-height: 1; }
	.md\:text-8xl { font-size: 96px; line-height: 1; }
}

.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }
.font-light { font-weight: 300; }
.italic { font-style: italic; }
.tracking-tight { letter-spacing: -0.025em; }

/* Sizes */
.w-8 { width: 32px; }
.w-10 { width: 40px; }
.w-12 { width: 48px; }
.w-16 { width: 64px; }
.w-20 { width: 80px; }
.h-8 { height: 32px; }
.h-10 { height: 40px; }
.h-12 { height: 48px; }
.h-16 { height: 64px; }
.h-20 { height: 80px; }
.max-w-3xl { max-width: 768px; }
.max-w-4xl { max-width: 896px; }
.max-w-5xl { max-width: 1024px; }

/* Custom ZOSCII Classes */
.zoscii-blur {
	backdrop-filter: saturate(180%) blur(20px);
	background: rgba(255, 255, 255, 0.72);
}

.zoscii-gradient {
	background: linear-gradient(135deg, #1e1e1e 0%, #2d2d2d 100%);
}

.zoscii-card {
	background: rgba(255, 255, 255, 0.8);
	backdrop-filter: saturate(180%) blur(20px);
	border: 1px solid rgba(255, 255, 255, 0.18);
	transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.zoscii-card:hover {
	transform: translateY(-2px);
	box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.zoscii-button {
	transition: all 0.2s cubic-bezier(0.25, 0.46, 0.45, 0.94);
	font-weight: 400;
	letter-spacing: -0.022em;
	border: none;
	cursor: pointer;
	text-decoration: none;
	display: inline-block;
}

.zoscii-button:hover {
	transform: scale(1.02);
}

.zoscii-text {
	letter-spacing: -0.022em;
	line-height: 1.4;
}

.zoscii-title {
	font-weight: 600;
	letter-spacing: -0.028em;
	line-height: 1.08;
}

.section-padding {
	padding: 120px 0;
}

/* Navigation */
nav {
	position: fixed;
	top: 0;
	width: 100%;
	z-index: 50;
	border-bottom: 1px solid rgba(229, 231, 235, 0.2);
}

/* Hero Section */
.hero-section {
	padding: 120px 0;
	color: #ffffff;
	overflow: hidden;
}

.hero-badge {
	border: 1px solid rgba(255, 255, 255, 0.3) !important;
	background: transparent !important;
	color: white !important;
	backdrop-filter: none !important;
	border-radius: 50px !important;
}        

/* Section Backgrounds */
.about-section {
	background-color: #f9fafb;
}

.demo-section {
	color: #ffffff;
}

.applications-section {
	background-color: #ffffff;
}

.challenge-section {
	background: linear-gradient(135deg, #fef2f2 0%, #fff7ed 100%);
}

.contact-section {
	background-color: #f9fafb;
}

/* Challenge Section */
.challenge-card {
	background: linear-gradient(135deg, #ef4444 0%, #f97316 100%);
	color: #ffffff;
}

.challenge-stats {
	background-color: #111827;
	color: #ffffff;
}

.challenge-number {
	background-color: #ef4444;
	color: #ffffff;
	border-radius: 50%;
	width: 32px;
	height: 32px;
	display: flex;
	align-items: center;
	justify-content: center;
	flex-shrink: 0;
	font-weight: 700;
	font-size: 14px;
}

/* Contact Cards */
.contact-card {
	background-color: #ffffff;
}

.open-source-card {
	background-color: #111827;
	color: #ffffff;
}

/* Footer */
footer {
	background-color: #111827;
	color: #ffffff;
}

/* Responsive adjustments */
@media (max-width: 768px) {
	.section-padding {
		padding: 80px 0;
	}
	
	.hidden { display: block; }
	.md\:flex { display: block; }
	.md\:grid-cols-2 { grid-template-columns: 1fr; }
	.md\:grid-cols-3 { grid-template-columns: 1fr; }
	.lg\:grid-cols-2 { grid-template-columns: 1fr; }
	.lg\:grid-cols-3 { grid-template-columns: 1fr; }
}

/* Button Styles */
.btn-primary {
	background-color: #ef4444;
	color: #ffffff;
	padding: 12px 32px;
	border-radius: 50px;
	font-weight: 500;
	border: none;
	cursor: pointer;
}

.btn-primary:hover {
	background-color: #dc2626;
}

.btn-secondary {
	background-color: #16a34a;
	color: #ffffff;
	padding: 12px 32px;
	border-radius: 50px;
	font-weight: 500;
	border: none;
	cursor: pointer;
}

.btn-secondary:hover {
	background-color: #15803d;
}

.btn-tertiary {
	background-color: #2563eb;
	color: #ffffff;
	padding: 12px 32px;
	border-radius: 50px;
	font-weight: 500;
	border: none;
	cursor: pointer;
}

.btn-tertiary:hover {
	background-color: #1d4ed8;
}

.btn-outline {
	border: 1px solid rgba(255, 255, 255, 0.3);
	color: #ffffff;
	background: transparent;
	padding: 16px 40px;
	border-radius: 50px;
	font-weight: 500;
	cursor: pointer;
}

.btn-outline:hover {
	background-color: rgba(255, 255, 255, 0.1);
}

.btn-ghost {
	color: #2563eb;
	background: transparent;
	border: none;
	font-weight: 500;
	cursor: pointer;
}

.btn-ghost:hover {
	color: #1d4ed8;
}

.btn-white {
	background-color: #ffffff;
	color: #111827;
	padding: 16px 40px;
	border-radius: 50px;
	font-weight: 600;
	border: none;
	cursor: pointer;
}

.btn-white:hover {
	background-color: #f3f4f6;
}

.btn-challenge {
	background-color: #ef4444;
	color: #ffffff;
	padding: 16px 32px;
	border-radius: 50px;
	font-weight: 600;
	border: none;
	cursor: pointer;
	width: 100%;
}

.btn-challenge:hover {
	background-color: #dc2626;
}

.btn-outline-gray {
	border: 1px solid #4b5563;
	color: #d1d5db;
	background: transparent;
	padding: 16px 32px;
	border-radius: 50px;
	font-weight: 500;
	cursor: pointer;
	width: 100%;
}

.btn-outline-gray:hover {
	background-color: #1f2937;
}

.article-content {
	max-width: 896px;
	margin: 0 auto;
	padding: 80px 24px 120px;
}

.article-header {
	margin-bottom: 64px;
	padding-bottom: 32px;
	border-bottom: 1px solid #e5e7eb;
}

.article-meta {
	color: #6b7280;
	font-size: 14px;
	margin-top: 16px;
}

.article-content h2 {
	font-size: 30px;
	font-weight: 600;
	letter-spacing: -0.028em;
	line-height: 1.2;
	color: #111827;
	margin: 48px 0 24px 0;
}

.article-content h3 {
	font-size: 24px;
	font-weight: 600;
	letter-spacing: -0.025em;
	line-height: 1.3;
	color: #111827;
	margin: 40px 0 20px 0;
}

.article-content p {
	font-size: 18px;
	line-height: 1.7;
	color: #374151;
	margin-bottom: 24px;
}

.article-content ul {
	margin: 24px 0;
	padding-left: 24px;
}

.article-content li {
	font-size: 18px;
	line-height: 1.7;
	color: #374151;
	margin-bottom: 12px;
}

.article-content code {
	background-color: #f3f4f6;
	padding: 2px 8px;
	border-radius: 4px;
	font-family: 'Monaco', 'Menlo', monospace;
	font-size: 16px;
	color: #dc2626;
}

.article-content a {
	color: #2563eb;
	text-decoration: none;
}

.article-content a:hover {
	text-decoration: underline;
}

.section-divider {
	margin: 64px 0;
	border: 0;
	border-top: 1px solid #e5e7eb;
}

.highlight-box {
	background: linear-gradient(135deg, #fef2f2 0%, #fff7ed 100%);
	padding: 32px;
	border-radius: 16px;
	margin: 32px 0;
	border-left: 4px solid #ef4444;
}

.app-showcase {
	background-color: #f9fafb;
	padding: 24px;
	border-radius: 16px;
	margin: 32px 0;
}

.app-showcase h4 {
	font-size: 18px;
	font-weight: 600;
	color: #111827;
	margin-bottom: 8px;
}

.app-showcase p {
	font-size: 16px;
	margin-bottom: 0;
}