/* BitFX Wallet Website Styles */
:root {
    /* Colors based on BitFX design system */
    --background: hsl(20, 14.3%, 4.1%);
    --foreground: hsl(0, 0%, 95%);
    --card: hsl(24, 9.8%, 10%);
    --card-foreground: hsl(0, 0%, 95%);
    --primary: hsl(6, 78%, 57%);
    --primary-foreground: hsl(355.7, 100%, 97.3%);
    --secondary: hsl(240, 3.7%, 15.9%);
    --secondary-foreground: hsl(0, 0%, 98%);
    --muted: hsl(0, 0%, 15%);
    --muted-foreground: hsl(240, 5%, 64.9%);
    --accent: hsl(12, 6.5%, 15.1%);
    --accent-foreground: hsl(0, 0%, 98%);
    --border: hsl(240, 3.7%, 15.9%);
    --radius: 0.5rem;
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--background);
    color: var(--foreground);
    line-height: 1.6;
    overflow-x: hidden;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 50% 0%, hsl(6, 78%, 57%, 0.1) 0%, transparent 50%);
    pointer-events: none;
    z-index: -1;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: hsla(20, 14.3%, 4.1%, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    z-index: 100;
}

.nav-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 4rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-img {
    width: 2rem;
    height: 2rem;
}

.logo-text {
    font-size: 1.25rem;
    font-weight: 600;
}

.logo-text .bit {
    color: var(--primary);
}

.logo-text .fx {
    color: var(--foreground);
}

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

.nav-link {
    text-decoration: none;
    color: var(--muted-foreground);
    font-weight: 500;
    transition: color 0.2s ease;
}

.nav-link:hover {
    color: var(--foreground);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem 1rem;
    border-radius: var(--radius);
    font-weight: 500;
    text-decoration: none;
    transition: all 0.2s ease;
    border: none;
    cursor: pointer;
    font-family: inherit;
}

.btn-primary {
    background-color: var(--primary);
    color: var(--primary-foreground);
}

.btn-primary:hover {
    background-color: hsl(6, 78%, 52%);
}

.btn-outline {
    background-color: transparent;
    color: var(--foreground);
    border: 1px solid var(--border);
}

.btn-outline:hover {
    background-color: var(--accent);
}

.btn-lg {
    padding: 0.75rem 1.5rem;
    font-size: 1.1rem;
}

/* Hero Section */
.hero {
    padding: 8rem 0 6rem;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, var(--foreground) 0%, var(--primary) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--muted-foreground);
    margin-bottom: 2rem;
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

.hero-badges {
    display: flex;
    gap: 1rem;
}

.badge {
    padding: 0.5rem 1rem;
    background-color: var(--card);
    border: 1px solid var(--border);
    border-radius: calc(var(--radius) * 2);
    font-size: 0.9rem;
    color: var(--card-foreground);
}

.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-image {
    width: 300px;
    height: 300px;
    object-fit: contain;
    filter: drop-shadow(0 20px 40px hsla(6, 78%, 57%, 0.3));
}

/* Section Styles */
section {
    padding: 6rem 0;
}

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

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--foreground);
}

.section-subtitle {
    font-size: 1.25rem;
    color: var(--muted-foreground);
    max-width: 600px;
    margin: 0 auto;
}

/* Features Section */
.features {
    background-color: var(--card);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.feature-card {
    background-color: var(--background);
    border: 1px solid var(--border);
    border-radius: calc(var(--radius) * 1.5);
    padding: 2rem;
    transition: all 0.2s ease;
}

.feature-card:hover {
    border-color: var(--primary);
    transform: translateY(-4px);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.feature-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--foreground);
}

.feature-description {
    color: var(--muted-foreground);
    line-height: 1.6;
}

/* Security Section */
.security-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.security-features {
    list-style: none;
    margin: 2rem 0;
}

.security-features li {
    padding: 0.75rem 0;
    color: var(--muted-foreground);
    border-bottom: 1px solid var(--border);
}

.security-features li:last-child {
    border-bottom: none;
}

.security-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.security-shield {
    background-color: var(--card);
    border: 1px solid var(--border);
    border-radius: calc(var(--radius) * 2);
    padding: 3rem;
    text-align: center;
    backdrop-filter: blur(10px);
}

.shield-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.security-shield p {
    color: var(--muted-foreground);
    font-weight: 500;
}

/* Download Section */
.download {
    background-color: var(--card);
    text-align: center;
}

.download-content {
    max-width: 600px;
    margin: 0 auto;
}

.download-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-top: 2rem;
}

.download-btn {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.5rem;
    background-color: var(--background);
    border: 1px solid var(--border);
    border-radius: calc(var(--radius) * 1.5);
    text-decoration: none;
    color: var(--foreground);
    transition: all 0.2s ease;
    min-width: 200px;
}

.download-btn:hover {
    border-color: var(--primary);
    transform: translateY(-2px);
}

.download-btn-content {
    text-align: left;
}

.download-btn-text {
    display: block;
    font-weight: 600;
    font-size: 1rem;
}

.download-btn-subtitle {
    display: block;
    font-size: 0.9rem;
    color: var(--muted-foreground);
}

/* Footer */
.footer {
    background-color: var(--background);
    border-top: 1px solid var(--border);
    padding: 3rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-tagline {
    color: var(--muted-foreground);
    margin-top: 1rem;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.footer-title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--foreground);
}

.footer-list {
    list-style: none;
}

.footer-list li {
    margin-bottom: 0.5rem;
}

.footer-link {
    color: var(--muted-foreground);
    text-decoration: none;
    transition: color 0.2s ease;
}

.footer-link:hover {
    color: var(--foreground);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border);
    color: var(--muted-foreground);
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .hero-badges {
        justify-content: center;
    }
    
    .security-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .download-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }
    
    .hero {
        padding: 6rem 0 4rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
}