/* SparkStore - Modern Clean Design */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #2563eb;
    --primary-dark: #1e40af;
    --primary-light: #3b82f6;
    --secondary: #64748b;
    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;
    --dark: #0f172a;
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-700: #334155;
    --gray-800: #1e293b;
    --gray-900: #0f172a;
    --white: #ffffff;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--gray-900);
    background: var(--gray-50);
    min-height: 100vh;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Hero Section */
.hero {
    background: var(--white);
    border-bottom: 1px solid var(--gray-200);
    padding: 4rem 0;
    text-align: center;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--dark);
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

.hero h1 i {
    color: var(--primary);
    margin-right: 0.5rem;
}

.hero .tagline {
    font-size: 1.25rem;
    color: var(--gray-700);
    margin-bottom: 2rem;
    font-weight: 400;
}

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    transition: all 0.2s;
    border: none;
    cursor: pointer;
}

.btn i {
    font-size: 1rem;
}

.btn-primary {
    background: var(--primary);
    color: var(--white);
    box-shadow: 0 1px 2px 0 rgb(0 0 0 / 0.05);
}

.btn-primary:hover {
    background: var(--primary-dark);
    box-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    transform: translateY(-1px);
}

.btn-secondary {
    background: var(--white);
    color: var(--gray-700);
    border: 1px solid var(--gray-300);
    box-shadow: 0 1px 2px 0 rgb(0 0 0 / 0.05);
}

.btn-secondary:hover {
    background: var(--gray-50);
    border-color: var(--gray-400);
}

/* Features Section */
.features {
    padding: 4rem 0;
    background: var(--gray-50);
}

.features h2 {
    text-align: center;
    margin-bottom: 3rem;
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--dark);
}

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

.feature-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 0.75rem;
    border: 1px solid var(--gray-200);
    transition: all 0.2s;
}

.feature-card:hover {
    border-color: var(--primary);
    box-shadow: 0 10px 15px -3px rgb(0 0 0 / 0.1);
    transform: translateY(-2px);
}

.feature-icon {
    width: 3rem;
    height: 3rem;
    background: var(--primary);
    color: var(--white);
    border-radius: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--dark);
}

.feature-card p {
    color: var(--gray-700);
    font-size: 0.95rem;
}

/* Documentation Section */
.docs {
    padding: 4rem 0;
    background: var(--white);
}

.docs h2 {
    margin-bottom: 3rem;
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--dark);
}

.doc-section {
    margin-bottom: 3rem;
}

.doc-section h3 {
    color: var(--dark);
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.doc-section p {
    color: var(--gray-700);
    margin-bottom: 1rem;
}

.endpoint {
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
    border-radius: 0.75rem;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.endpoint-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.method {
    padding: 0.25rem 0.75rem;
    border-radius: 0.375rem;
    font-weight: 700;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--white);
}

.method-get { background: var(--success); }
.method-post { background: var(--primary); }
.method-delete { background: var(--danger); }

.path {
    font-family: 'JetBrains Mono', 'Courier New', monospace;
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--dark);
}

pre {
    background: var(--dark);
    color: #93c5fd;
    padding: 1rem;
    border-radius: 0.5rem;
    overflow-x: auto;
    margin: 1rem 0;
    font-size: 0.875rem;
    line-height: 1.6;
}

code {
    font-family: 'JetBrains Mono', 'Courier New', monospace;
}

/* Footer */
.footer {
    text-align: center;
    padding: 3rem 0;
    color: var(--gray-700);
    background: var(--white);
    border-top: 1px solid var(--gray-200);
}

.footer i {
    color: var(--danger);
    margin: 0 0.25rem;
}

/* Responsive */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero .tagline {
        font-size: 1.125rem;
    }
    
    .features h2,
    .docs h2 {
        font-size: 1.875rem;
    }
}