:root {
    --bg-color: #0a0a0a;
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --accent-color: #3b82f6;
    --accent-gradient: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --card-hover: rgba(255, 255, 255, 0.08);
}

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

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

/* Typography */
h1, h2, h3, h4 {
    font-weight: 700;
    line-height: 1.2;
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

/* Utilities */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.gradient-text {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.glass-panel {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 1rem;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fade-up {
    animation: fadeInUp 0.8s ease-out forwards;
    opacity: 0;
}

.delay-100 { animation-delay: 0.1s; }
.delay-200 { animation-delay: 0.2s; }
.delay-300 { animation-delay: 0.3s; }

/* Header */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 1.5rem 0;
    transition: background 0.3s ease;
}

header.scrolled {
    background: rgba(10, 10, 10, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--glass-border);
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-links a:hover {
    color: var(--accent-color);
}

.btn-primary {
    background: var(--accent-gradient);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 2rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(59, 130, 246, 0.4);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 5rem;
    position: relative;
    overflow: hidden;
}

/* Background Gradients */
.bg-glow {
    position: absolute;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.15) 0%, rgba(10, 10, 10, 0) 70%);
    top: -100px;
    left: 50%;
    transform: translateX(-50%);
    z-index: -1;
}

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

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
}

.hero-badges {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 2.5rem;
    flex-wrap: wrap;
}

.badge-item {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    padding: 0.5rem 1rem;
    border-radius: 2rem;
    font-size: 0.9rem;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    backdrop-filter: blur(8px);
    transition: background 0.3s ease;
}

.badge-item:hover {
    background: var(--card-hover);
}

.check-icon {
    color: #10b981; /* Green success color */
    font-weight: bold;
}

.preview-container {
    margin-top: 4rem;
    position: relative;
    padding: 10px;
    border-radius: 12px;
    background: linear-gradient(180deg, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0) 100%);
    box-shadow: 0 20px 50px rgba(0,0,0,0.5);
}

.app-preview {
    width: 100%;
    height: auto;
    border-radius: 8px;
    display: block;
}

/* Features Grid */
.features {
    padding: 8rem 0;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.feature-card {
    padding: 2rem;
    transition: transform 0.3s ease, background 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    background: var(--card-hover);
}

.feature-icon {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    display: inline-block;
    padding: 1rem;
    background: rgba(59, 130, 246, 0.1);
    border-radius: 1rem;
    color: #3b82f6;
}

.feature-card h3 {
    margin-bottom: 1rem;
    font-size: 1.25rem;
}

.feature-card p {
    color: var(--text-secondary);
}

/* Footer */
footer {
    padding: 4rem 0;
    border-top: 1px solid var(--glass-border);
    margin-top: 4rem;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-secondary);
    flex-wrap: wrap; 
    gap: 1.5rem;
}

.footer-links {
    display: flex;
    gap: 1.5rem;
}

.footer-links a {
    color: var(--text-secondary);
    font-size: 0.9rem;
    transition: color 0.3s ease;
}

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

/* Mobile Responsive */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .nav-links {
        display: none; /* Simple hiding for now, can be expanded to mobile menu if needed */
    }
}

/* How It Works Section */
.steps-section {
    padding: 8rem 0;
    position: relative;
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-top: 4rem;
    position: relative;
    z-index: 1;
}

.step-card {
    text-align: center;
    position: relative;
    padding: 2rem;
}

.step-number {
    font-size: 4rem;
    font-weight: 800;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    opacity: 0.5;
    margin-bottom: 1rem;
    line-height: 1;
}

.step-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.step-card p {
    color: var(--text-secondary);
}

/* Add a connecting line for desktop */
@media (min-width: 769px) {
    .step-card:not(:last-child)::after {
        content: '';
        position: absolute;
        top: 30%;
        right: -1.5rem;
        width: 3rem;
        height: 2px;
        background: linear-gradient(90deg, var(--glass-border), transparent);
        transform: translateY(-50%);
        z-index: -1;
    }
}