:root {
    --primary-color: #3b82f6;
    --primary-hover: #2563eb;
    --secondary-color: #8b5cf6;
    --background-dark: #0a0e1a;
    --background-darker: #050810;
    --surface-dark: #1a1f35;
    --surface-light: #242b45;
    --text-primary: #ffffff;
    --text-secondary: #a0a8c0;
    --text-muted: #6b7280;
    --border-color: #2d3548;
    --gradient-from: #3b82f6;
    --gradient-to: #8b5cf6;
    --success-color: #10b981;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.5);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--background-dark);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(10, 14, 26, 0.8);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    padding: 20px 0;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 24px;
    font-weight: 700;
}

.logo-icon {
    font-size: 28px;
}

.logo-text {
    background: linear-gradient(135deg, var(--gradient-from), var(--gradient-to));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-cta {
    padding: 10px 24px;
    background: var(--primary-color);
    color: white;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

.nav-cta:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Hero Section */
.hero {
    position: relative;
    padding: 180px 0 120px;
    overflow: hidden;
}

.grid-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(59, 130, 246, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(59, 130, 246, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: gridMove 20s linear infinite;
    z-index: 0;
}

@keyframes gridMove {
    0% {
        transform: translate(0, 0);
    }
    100% {
        transform: translate(50px, 50px);
    }
}

#particles-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    pointer-events: none;
}

.hero-bg-gradient {
    position: absolute;
    top: -50%;
    right: -20%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.15) 0%, transparent 70%);
    pointer-events: none;
    animation: pulse 8s ease-in-out infinite;
    z-index: 0;
}

@keyframes pulse {
    0%, 100% {
        opacity: 0.5;
        transform: scale(1);
    }
    50% {
        opacity: 0.8;
        transform: scale(1.1);
    }
}

.floating-shapes {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 0;
    pointer-events: none;
}

.shape {
    position: absolute;
    border-radius: 50%;
    filter: blur(40px);
    opacity: 0.3;
}

.shape-1 {
    width: 300px;
    height: 300px;
    background: linear-gradient(135deg, #3b82f6, #8b5cf6);
    top: 20%;
    left: 10%;
    animation: float 15s ease-in-out infinite;
}

.shape-2 {
    width: 200px;
    height: 200px;
    background: linear-gradient(135deg, #8b5cf6, #ec4899);
    top: 60%;
    right: 15%;
    animation: float 12s ease-in-out infinite reverse;
}

.shape-3 {
    width: 250px;
    height: 250px;
    background: linear-gradient(135deg, #06b6d4, #3b82f6);
    bottom: 10%;
    left: 40%;
    animation: float 18s ease-in-out infinite;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) rotate(0deg);
    }
    33% {
        transform: translate(30px, -30px) rotate(120deg);
    }
    66% {
        transform: translate(-20px, 20px) rotate(240deg);
    }
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.hero-title {
    font-size: 64px;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 24px;
    letter-spacing: -0.02em;
}

.gradient-text {
    background: linear-gradient(135deg, var(--gradient-from), var(--gradient-to));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientShift 3s ease infinite;
    background-size: 200% 200%;
}

@keyframes gradientShift {
    0%, 100% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
}

.hero-subtitle {
    font-size: 20px;
    color: var(--text-secondary);
    margin-bottom: 40px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-cta {
    display: flex;
    gap: 16px;
    justify-content: center;
    align-items: center;
    margin-bottom: 64px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    border-radius: 10px;
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn span,
.btn svg {
    position: relative;
    z-index: 1;
}

.btn svg {
    transition: transform 0.3s ease;
}

.btn:hover svg {
    transform: translateX(4px);
}

.btn-primary {
    background: var(--primary-color);
    color: white;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
}

.btn-primary:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.4);
}

.btn-secondary {
    background: var(--surface-dark);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: var(--surface-light);
    transform: translateY(-2px);
}

.btn-large {
    padding: 18px 40px;
    font-size: 18px;
}

/* Hero Stats */
.hero-stats {
    display: flex;
    justify-content: center;
    gap: 64px;
    padding: 32px;
    background: var(--surface-dark);
    border-radius: 16px;
    border: 1px solid var(--border-color);
}

.stat {
    text-align: center;
}

.stat-value {
    font-size: 32px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 8px;
}

.stat-label {
    font-size: 14px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Features Section */
.features {
    padding: 120px 0;
    background: var(--background-darker);
}

.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-title {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
}

.feature-card {
    background: var(--surface-dark);
    padding: 40px 32px;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    opacity: 0;
    transform: translateY(30px);
}

.feature-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.feature-card:hover {
    transform: translateY(-8px);
    border-color: var(--primary-color);
    box-shadow: var(--shadow-lg);
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.05), rgba(139, 92, 246, 0.05));
}

.feature-icon {
    font-size: 48px;
    margin-bottom: 24px;
    display: inline-block;
    animation: bounce 2s ease-in-out infinite;
}

.feature-card:hover .feature-icon {
    animation: bounceHover 0.6s ease;
}

@keyframes bounce {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

@keyframes bounceHover {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.2) rotate(5deg);
    }
}

.feature-title {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 12px;
}

.feature-description {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* How It Works Section */
.how-it-works {
    padding: 120px 0;
}

.steps {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 32px;
    margin-top: 64px;
}

.step {
    flex: 1;
    text-align: center;
    padding: 40px 24px;
    background: var(--surface-dark);
    border-radius: 16px;
    border: 1px solid var(--border-color);
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.3s ease;
}

.step.visible {
    opacity: 1;
    transform: translateY(0);
}

.step:hover {
    transform: translateY(-8px) scale(1.02);
    border-color: var(--primary-color);
}

.step-number {
    width: 64px;
    height: 64px;
    margin: 0 auto 24px;
    background: linear-gradient(135deg, var(--gradient-from), var(--gradient-to));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    font-weight: 700;
}

.step.visible .step-number {
    animation: rotate3d 1s ease-in-out forwards;
}

@keyframes rotate3d {
    0% {
        transform: rotateY(0deg);
    }
    100% {
        transform: rotateY(360deg);
    }
}

.step-title {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 12px;
}

.step-description {
    color: var(--text-secondary);
    line-height: 1.6;
}

.step-arrow {
    font-size: 32px;
    color: var(--primary-color);
    flex-shrink: 0;
}

/* CTA Section */
.cta-section {
    padding: 120px 0;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(139, 92, 246, 0.1));
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.cta-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.cta-title {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 20px;
}

.cta-description {
    font-size: 20px;
    color: var(--text-secondary);
    margin-bottom: 40px;
    line-height: 1.7;
}

/* Footer */
.footer {
    padding: 64px 0 32px;
    background: var(--background-darker);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: start;
    margin-bottom: 48px;
    padding-bottom: 32px;
    border-bottom: 1px solid var(--border-color);
}

.footer-brand .logo {
    margin-bottom: 16px;
}

.footer-tagline {
    color: var(--text-secondary);
    font-size: 14px;
}

.footer-links {
    display: flex;
    gap: 32px;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: var(--primary-color);
}

.footer-bottom {
    text-align: center;
    color: var(--text-muted);
    font-size: 14px;
}

.footer-bottom p {
    margin: 8px 0;
}

.footer-disclaimer {
    font-size: 12px;
    font-style: italic;
}

/* Responsive Design */
@media (max-width: 968px) {
    .hero-title {
        font-size: 48px;
    }

    .section-title {
        font-size: 36px;
    }

    .cta-title {
        font-size: 36px;
    }

    .steps {
        flex-direction: column;
    }

    .step-arrow {
        transform: rotate(90deg);
    }

    .hero-stats {
        gap: 32px;
    }

    .footer-content {
        flex-direction: column;
        gap: 32px;
    }

    .shape {
        display: none;
    }
}

@media (max-width: 640px) {
    .hero-title {
        font-size: 36px;
    }

    .hero-subtitle {
        font-size: 18px;
    }

    .hero-cta {
        flex-direction: column;
    }

    .btn {
        width: 100%;
        justify-content: center;
    }

    .hero-stats {
        flex-direction: column;
        gap: 24px;
    }

    .section-title {
        font-size: 28px;
    }

    .cta-title {
        font-size: 28px;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .navbar .container {
        flex-direction: column;
        gap: 16px;
    }

    #particles-canvas {
        display: none;
    }
}

/* Animations */
.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s ease forwards;
}

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Smooth transitions for all interactive elements */
a, button, .btn, .feature-card, .step {
    will-change: transform;
}

/* Performance optimization */
.hero-bg-gradient, .floating-shapes, .grid-background {
    will-change: transform, opacity;
}