:root {
    --primary-color: #000000;
    --text-color: #1a1a1a;
    --bg-color: #f8f9fa;
    --white: #ffffff;
    --accent: #3b82f6;
    --font-stack: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

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

body {
    font-family: var(--font-stack);
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

/* Header */
header {
    background: var(--white);
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid #e5e7eb;
    position: sticky;
    top: 0;
    z-index: 100;
}

.logo {
    font-weight: 800;
    font-size: 1.5rem;
    text-decoration: none;
    color: var(--primary-color);
    letter-spacing: -0.05em;
}

nav a {
    text-decoration: none;
    color: #4b5563;
    margin-left: 1.5rem;
    font-weight: 500;
    font-size: 0.9rem;
    transition: color 0.2s;
}

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

.btn-primary {
    background: var(--primary-color);
    color: var(--white);
    padding: 0.5rem 1rem;
    border-radius: 6px;
    font-weight: 600;
}
.btn-primary:hover {
    opacity: 0.9;
    color: var(--white);
}

/* Sections */
section {
    padding: 4rem 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.hero {
    text-align: center;
    padding: 6rem 1rem;
}

.hero h1 {
    font-size: 3rem;
    font-weight: 800;
    letter-spacing: -0.05em;
    margin-bottom: 1.5rem;
    line-height: 1.1;
}

.hero p {
    font-size: 1.25rem;
    color: #4b5563;
    max-width: 600px;
    margin: 0 auto 2.5rem auto;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

.hero .btn {
    text-decoration: none;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    transition: transform 0.1s;
}

.hero .btn.black {
    background: #000;
    color: #fff;
}

.hero .btn.white {
    background: #fff;
    color: #000;
    border: 1px solid #e5e7eb;
}

.hero .btn:hover {
    transform: translateY(-2px);
}

/* Features grid */
.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
}

.feature-card h3 {
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.feature-card p {
    color: #6b7280;
    font-size: 0.95rem;
}

/* Legal / Text Pages */
.legal-content {
    background: var(--white);
    padding: 3rem;
    border-radius: 12px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.legal-content h1 {
    margin-bottom: 2rem;
    font-size: 2rem;
}

.legal-content h2 {
    margin-top: 2rem;
    margin-bottom: 1rem;
    font-size: 1.25rem;
}

.legal-content p {
    margin-bottom: 1rem;
    color: #374151;
}

.legal-content ul {
    margin-bottom: 1rem;
    padding-left: 1.5rem;
    color: #374151;
}

/* Footer */
footer {
    background: var(--white);
    border-top: 1px solid #e5e7eb;
    padding: 3rem 2rem;
    margin-top: auto;
    text-align: center;
    color: #6b7280;
    font-size: 0.85rem;
}

footer a {
    color: #4b5563;
    text-decoration: none;
    margin: 0 0.5rem;
}

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

@media (max-width: 600px) {
    .hero h1 { font-size: 2rem; }
    .hero-buttons { flex-direction: column; }
    header { padding: 1rem; }
}