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:root {
/* Color Palette - Premium Gradients */
--primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
--secondary-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
--accent-gradient: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
--success-gradient: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
--dark-gradient: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
/* Solid Colors */
--primary: #667eea;
--secondary: #764ba2;
--accent: #4facfe;
--success: #43e97b;
--warning: #feca57;
--danger: #ee5a6f;
/* Dark Mode Colors */
--bg-dark: #0f0f1e;
--bg-dark-secondary: #1a1a2e;
--bg-dark-card: rgba(26, 26, 46, 0.8);
--text-light: #e5e5e5;
--text-muted: #a0a0a0;
/* Glassmorphism */
--glass-bg: rgba(255, 255, 255, 0.1);
--glass-border: rgba(255, 255, 255, 0.2);
--glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
/* Spacing */
--spacing-xs: 0.5rem;
--spacing-sm: 1rem;
--spacing-md: 1.5rem;
--spacing-lg: 2rem;
--spacing-xl: 3rem;
/* Typography */
--font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
--font-size-xs: 0.75rem;
--font-size-sm: 0.875rem;
--font-size-base: 1rem;
--font-size-lg: 1.125rem;
--font-size-xl: 1.5rem;
--font-size-2xl: 2rem;
--font-size-3xl: 3rem;
/* Transitions */
--transition-fast: 0.2s ease;
--transition-base: 0.3s ease;
--transition-slow: 0.5s ease;
/* Border Radius */
--radius-sm: 0.5rem;
--radius-md: 1rem;
--radius-lg: 1.5rem;
--radius-xl: 2rem;
}
/* Reset & Base Styles */
* {
margin: 0;
padding: 0;
box-sizing: border-box;
}
html {
scroll-behavior: smooth;
}
body {
font-family: var(--font-primary);
background: var(--bg-dark);
color: var(--text-light);
line-height: 1.6;
overflow-x: hidden;
}
/* Typography */
h1, h2, h3, h4, h5, h6 {
font-weight: 700;
line-height: 1.2;
margin-bottom: var(--spacing-sm);
}
h1 { font-size: var(--font-size-3xl); }
h2 { font-size: var(--font-size-2xl); }
h3 { font-size: var(--font-size-xl); }
p {
margin-bottom: var(--spacing-sm);
color: var(--text-muted);
}
a {
color: var(--accent);
text-decoration: none;
transition: var(--transition-fast);
}
a:hover {
color: var(--primary);
}
/* Button Styles */
.btn {
display: inline-block;
padding: 0.875rem 2rem;
border: none;
border-radius: var(--radius-md);
font-family: var(--font-primary);
font-size: var(--font-size-base);
font-weight: 600;
cursor: pointer;
transition: all var(--transition-base);
text-align: center;
position: relative;
overflow: hidden;
}
.btn::before {
content: '';
position: absolute;
top: 0;
left: -100%;
width: 100%;
height: 100%;
background: rgba(255, 255, 255, 0.2);
transition: var(--transition-base);
}
.btn:hover::before {
left: 100%;
}
.btn-primary {
background: var(--primary-gradient);
color: white;
box-shadow: 0 10px 30px rgba(102, 126, 234, 0.4);
}
.btn-primary:hover {
transform: translateY(-2px);
box-shadow: 0 15px 40px rgba(102, 126, 234, 0.6);
}
.btn-secondary {
background: var(--glass-bg);
color: var(--text-light);
border: 2px solid var(--glass-border);
backdrop-filter: blur(10px);
}
.btn-secondary:hover {
background: rgba(255, 255, 255, 0.2);
border-color: var(--primary);
}
/* Card Styles */
.card {
background: var(--bg-dark-card);
border: 1px solid rgba(255, 255, 255, 0.1);
border-radius: var(--radius-lg);
padding: var(--spacing-lg);
backdrop-filter: blur(10px);
transition: all var(--transition-base);
}
.card:hover {
transform: translateY(-5px);
border-color: var(--primary);
box-shadow: 0 20px 60px rgba(102, 126, 234, 0.3);
}
.glass-card {
background: var(--glass-bg);
border: 1px solid var(--glass-border);
backdrop-filter: blur(20px);
box-shadow: var(--glass-shadow);
}
/* Navigation */
nav {
position: fixed;
top: 0;
left: 0;
right: 0;
z-index: 1000;
background: rgba(15, 15, 30, 0.9);
backdrop-filter: blur(20px);
border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}
.nav-container {
max-width: 1200px;
margin: 0 auto;
padding: 1rem 2rem;
display: flex;
justify-content: space-between;
align-items: center;
}
.logo {
font-size: var(--font-size-xl);
font-weight: 700;
background: var(--primary-gradient);
-webkit-background-clip: text;
-webkit-text-fill-color: transparent;
background-clip: text;
}
.nav-links {
display: flex;
gap: 2rem;
list-style: none;
}
.nav-links a {
color: var(--text-light);
font-weight: 500;
transition: var(--transition-fast);
}
.nav-links a:hover {
color: var(--primary);
}
/* Container & Layout */
.container {
max-width: 1200px;
margin: 0 auto;
padding: 0 2rem;
}
section {
padding: 5rem 0;
min-height: 100vh;
display: flex;
align-items: center;
}
/* Hero Section */
.hero {
position: relative;
text-align: center;
padding-top: 8rem;
}
.hero h1 {
font-size: clamp(2.5rem, 5vw, 4rem);
margin-bottom: var(--spacing-md);
background: var(--primary-gradient);
-webkit-background-clip: text;
-webkit-text-fill-color: transparent;
background-clip: text;
animation: fadeInUp 0.8s ease;
}
.hero p {
font-size: var(--font-size-lg);
max-width: 600px;
margin: 0 auto var(--spacing-xl);
animation: fadeInUp 0.8s ease 0.2s both;
}
.hero-buttons {
display: flex;
gap: 1rem;
justify-content: center;
flex-wrap: wrap;
animation: fadeInUp 0.8s ease 0.4s both;
}
/* Features Grid */
.features-grid {
display: grid;
grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
gap: 2rem;
margin-top: 3rem;
}
.feature-card {
text-align: center;
padding: 2rem;
}
.feature-icon {
font-size: 3rem;
margin-bottom: var(--spacing-md);
display: inline-block;
animation: float 3s ease-in-out infinite;
}
/* Form Styles */
.form-group {
margin-bottom: var(--spacing-md);
}
.form-group label {
display: block;
margin-bottom: var(--spacing-xs);
font-weight: 600;
color: var(--text-light);
}
.form-control {
width: 100%;
padding: 0.875rem 1rem;
background: rgba(255, 255, 255, 0.05);
border: 2px solid rgba(255, 255, 255, 0.1);
border-radius: var(--radius-md);
color: var(--text-light);
font-family: var(--font-primary);
font-size: var(--font-size-base);
transition: all var(--transition-base);
}
.form-control:focus {
outline: none;
border-color: var(--primary);
background: rgba(255, 255, 255, 0.08);
box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.1);
}
.form-control::placeholder {
color: var(--text-muted);
}
/* Alert/Notice Styles */
.alert {
padding: 1rem 1.5rem;
border-radius: var(--radius-md);
margin-bottom: var(--spacing-md);
border-left: 4px solid;
}
.alert-warning {
background: rgba(254, 202, 87, 0.1);
border-color: var(--warning);
color: var(--warning);
}
.alert-info {
background: rgba(79, 172, 254, 0.1);
border-color: var(--accent);
color: var(--accent);
}
/* Loading Spinner */
.spinner {
width: 40px;
height: 40px;
border: 4px solid rgba(255, 255, 255, 0.1);
border-top-color: var(--primary);
border-radius: 50%;
animation: spin 0.8s linear infinite;
}
/* Animations */
@keyframes fadeInUp {
from {
opacity: 0;
transform: translateY(30px);
}
to {
opacity: 1;
transform: translateY(0);
}
}
@keyframes float {
0%, 100% {
transform: translateY(0);
}
50% {
transform: translateY(-10px);
}
}
@keyframes spin {
to {
transform: rotate(360deg);
}
}
/* Utility Classes */
.text-center { text-align: center; }
.text-muted { color: var(--text-muted); }
.mt-1 { margin-top: 1rem; }
.mt-2 { margin-top: 2rem; }
.mb-1 { margin-bottom: 1rem; }
.mb-2 { margin-bottom: 2rem; }
.hidden { display: none; }
/* Responsive Design */
@media (max-width: 768px) {
.nav-links {
display: none;
}
section {
min-height: auto;
padding: 3rem 0;
}
.container {
padding: 0 1rem;
}
.features-grid {
grid-template-columns: 1fr;
}
}