/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --black: #000000;
    --dark-black: #0a0a0a;
    --charcoal: #1a1a1a;
    --dark-gray: #333333;
    --gold: #FFD700;
    --dark-gold: #B8860B;
    --cream: #FFF8DC;
    --white: #ffffff;
    --shadow: rgba(255, 215, 0, 0.3);
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 1rem;
}

p {
    margin-bottom: 1rem;
    opacity: 0.9;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid var(--dark-gray);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo h1 {
    color: var(--gold);
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0;
}

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

.nav-links a {
    color: var(--white);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

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

.cta-button {
    background: linear-gradient(135deg, var(--gold), var(--dark-gold));
    color: var(--black) !important;
    padding: 0.5rem 1.5rem;
    border-radius: 25px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px var(--shadow);
}

/* Hero Section */
.hero {
    padding: 120px 2rem 80px;
    background: linear-gradient(135deg, var(--black) 0%, var(--charcoal) 100%);
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--white), var(--gold));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1.5rem;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--cream);
    margin-bottom: 2rem;
    opacity: 0.9;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.primary-button {
    background: linear-gradient(135deg, var(--gold), var(--dark-gold));
    color: var(--black);
    padding: 1rem 2rem;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    display: inline-block;
}

.primary-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 35px var(--shadow);
}

.secondary-button {
    color: var(--white);
    padding: 1rem 2rem;
    border: 2px solid var(--gold);
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-block;
}

.secondary-button:hover {
    background: var(--gold);
    color: var(--black);
}

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

.hero-card {
    background: linear-gradient(135deg, var(--charcoal), var(--dark-gray));
    border: 1px solid var(--gold);
    border-radius: 20px;
    padding: 2rem;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
    max-width: 350px;
}

.hero-card h3 {
    color: var(--gold);
    margin-bottom: 1rem;
}

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

/* Section Titles */
.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 3rem;
    background: linear-gradient(135deg, var(--white), var(--gold));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* How It Works Section */
.how-it-works {
    padding: 80px 0;
    background: var(--dark-black);
}

.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
}

.step {
    text-align: center;
    padding: 2rem;
    background: linear-gradient(135deg, var(--charcoal), var(--dark-gray));
    border-radius: 20px;
    border: 1px solid var(--dark-gray);
    transition: all 0.3s ease;
}

.step:hover {
    border-color: var(--gold);
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(255, 215, 0, 0.1);
}

.step-number {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--gold), var(--dark-gold));
    color: var(--black);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto 1.5rem;
}

.step h3 {
    color: var(--gold);
    margin-bottom: 1rem;
}

/* Use Cases Section */
.use-cases {
    padding: 80px 0;
    background: var(--black);
}

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

.use-case {
    background: linear-gradient(135deg, var(--charcoal), var(--dark-gray));
    padding: 2rem;
    border-radius: 20px;
    border: 1px solid var(--dark-gray);
    transition: all 0.3s ease;
    text-align: center;
}

.use-case:hover {
    border-color: var(--gold);
    transform: translateY(-5px);
}

.use-case-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.use-case h3 {
    color: var(--gold);
    margin-bottom: 1rem;
}

/* Signup Section */
.signup {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--dark-black), var(--charcoal));
}

.signup-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.signup-content h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--gold);
}

.signup-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    color: var(--cream);
}

.signup-form {
    margin-top: 2rem;
}

.form-group {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.form-group input {
    flex: 1;
    padding: 1rem 1.5rem;
    border: 2px solid var(--dark-gray);
    border-radius: 25px;
    background: var(--charcoal);
    color: var(--white);
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-group input:focus {
    outline: none;
    border-color: var(--gold);
}

.form-group input::placeholder {
    color: var(--cream);
    opacity: 0.7;
}

.submit-button {
    background: linear-gradient(135deg, var(--gold), var(--dark-gold));
    color: var(--black);
    border: none;
    padding: 1rem 2rem;
    border-radius: 25px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.submit-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px var(--shadow);
}

.form-disclaimer {
    font-size: 0.9rem;
    color: var(--cream);
    opacity: 0.7;
    margin-top: 1rem;
}

/* Footer */
.footer {
    background: var(--dark-black);
    padding: 60px 0 30px;
    border-top: 1px solid var(--dark-gray);
}

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

.footer-brand h3 {
    color: var(--gold);
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

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

.footer-column h4 {
    color: var(--gold);
    margin-bottom: 1rem;
    font-size: 1rem;
}

.footer-column a {
    color: var(--cream);
    text-decoration: none;
    display: block;
    margin-bottom: 0.5rem;
    transition: color 0.3s ease;
}

.footer-column a:hover {
    color: var(--gold);
}

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

.footer-bottom p {
    color: var(--cream);
    opacity: 0.7;
    font-size: 0.9rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-container {
        flex-direction: column;
        gap: 1rem;
        padding: 1rem;
    }
    
    .nav-links {
        gap: 1rem;
    }
    
    .hero {
        padding: 100px 1rem 60px;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: center;
    }
    
    .steps {
        grid-template-columns: 1fr;
    }
    
    .use-case-grid {
        grid-template-columns: 1fr;
    }
    
    .form-group {
        flex-direction: column;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .container {
        padding: 0 1rem;
    }
}