:root {
    --bg-dark: #0b1120;
    --bg-card: rgba(255, 255, 255, 0.03);
    --bg-card-hover: rgba(255, 255, 255, 0.08);
    --primary-blue: #3b82f6;
    --primary-blue-hover: #2563eb;
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --border-color: rgba(255, 255, 255, 0.1);
}

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

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

a {
    color: var(--primary-blue);
    text-decoration: none;
    transition: color 0.2s;
}

a:hover {
    color: var(--primary-blue-hover);
}

/* Typography */
h1, h2, h3, h4 {
    color: var(--text-main);
    line-height: 1.2;
    font-weight: 700;
}

.text-gradient {
    background: linear-gradient(to right, #60a5fa, #3b82f6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

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

/* Navigation */
nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 0;
    border-bottom: 1px solid var(--border-color);
}

nav .logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-main);
    display: flex;
    align-items: center;
    gap: 8px;
}

nav .logo span {
    color: var(--primary-blue);
}

nav .links {
    display: flex;
    gap: 24px;
}

nav .links a {
    color: var(--text-muted);
    font-weight: 500;
}

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

/* Hero Section */
.hero {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 80px 0;
    gap: 40px;
}

.hero-content {
    flex: 1;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 24px;
    letter-spacing: -0.02em;
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-muted);
    margin-bottom: 40px;
    max-width: 500px;
}

.hero-buttons {
    display: flex;
    gap: 16px;
}

.btn {
    display: inline-block;
    padding: 14px 28px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.2s;
    border: none;
}

.btn-primary {
    background-color: var(--primary-blue);
    color: #fff;
    box-shadow: 0 4px 14px 0 rgba(59, 130, 246, 0.39);
}

.btn-primary:hover {
    background-color: var(--primary-blue-hover);
    color: #fff;
    transform: translateY(-2px);
}

.btn-secondary {
    background-color: transparent;
    color: var(--text-main);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.05);
    transform: translateY(-2px);
}

.hero-image {
    flex: 1;
    display: flex;
    justify-content: center;
    position: relative;
}

.hero-image img {
    max-width: 100%;
    height: auto;
    border-radius: 24px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    border: 1px solid var(--border-color);
}

.hero-image::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 120%;
    height: 120%;
    background: radial-gradient(circle, rgba(59,130,246,0.15) 0%, rgba(11,17,32,0) 70%);
    z-index: -1;
}

/* Sections General */
section {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.section-subtitle {
    text-align: center;
    color: var(--text-muted);
    font-size: 1.125rem;
    max-width: 600px;
    margin: 0 auto 56px auto;
}

/* Features */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 32px;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.feature-card:hover {
    background: var(--bg-card-hover);
    transform: translateY(-5px);
    border-color: rgba(59, 130, 246, 0.3);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 1.25rem;
    margin-bottom: 12px;
}

.feature-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* How It Works */
.steps-container {
    display: flex;
    justify-content: space-between;
    gap: 24px;
    position: relative;
}

.step {
    flex: 1;
    text-align: center;
    padding: 32px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
}

.step-number {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: var(--primary-blue);
    color: #fff;
    border-radius: 50%;
    font-size: 1.25rem;
    font-weight: bold;
    margin: 0 auto 20px auto;
}

.step h3 {
    font-size: 1.25rem;
    margin-bottom: 12px;
}

.step p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* Privacy Section */
.privacy-section {
    background: linear-gradient(180deg, var(--bg-dark) 0%, rgba(59, 130, 246, 0.05) 100%);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    text-align: center;
}

.privacy-section p {
    max-width: 700px;
    margin: 0 auto 32px auto;
    font-size: 1.125rem;
    color: var(--text-muted);
}

/* Footer */
footer {
    padding: 40px 0;
    border-top: 1px solid var(--border-color);
    margin-top: 40px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 24px;
}

.footer-brand h2 {
    font-size: 1.5rem;
    margin-bottom: 8px;
}

.footer-brand p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

.footer-links a {
    color: var(--text-muted);
    margin-left: 24px;
    font-size: 0.95rem;
}

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

.footer-bottom {
    margin-top: 32px;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* Privacy Policy Page specific */
.privacy-container {
    max-width: 800px;
    margin: 40px auto;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 48px;
}

.privacy-container h1 {
    font-size: 2.5rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 24px;
    margin-bottom: 16px;
}

.privacy-container h2 {
    font-size: 1.5rem;
    margin-top: 40px;
    margin-bottom: 16px;
    color: var(--primary-blue);
}

.privacy-container p, .privacy-container ul {
    color: var(--text-muted);
    margin-bottom: 16px;
}

.privacy-container ul {
    padding-left: 24px;
}

.privacy-container li {
    margin-bottom: 8px;
}

.privacy-container strong {
    color: var(--text-main);
}

/* Responsive */
@media (max-width: 900px) {
    .hero {
        flex-direction: column;
        text-align: center;
        padding: 40px 0;
    }
    
    .hero p {
        margin: 0 auto 32px auto;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .steps-container {
        flex-direction: column;
    }
}

@media (max-width: 600px) {
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-links a {
        margin: 0 12px;
        display: inline-block;
        margin-bottom: 12px;
    }
    
    .privacy-container {
        padding: 24px;
        margin: 20px 0;
    }
}
