:root {
    --primary-color: #006EF5;
    --secondary-color: #00A4BD;
    --text-color: #2D2D2D;
    --light-gray: #F5F5F5;
    --border-color: #E5E5E5;
    
    --gradient-primary: linear-gradient(135deg, #006EF5 0%, #00A4BD 100%);
    --gradient-secondary: linear-gradient(135deg, #8B5CF6 0%, #D946EF 100%);
}

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

body {
    font-family: 'Inter', sans-serif;
    color: var(--text-color);
    line-height: 1.5;
    min-height: 100vh;
}

main {
    min-height: 100vh;
}

/* Typography */
h1 {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

h2 {
    font-size: 2.5rem;
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: 1rem;
}

h3 {
    font-size: 2rem;
    font-weight: 600;
    line-height: 1.4;
    margin-bottom: 0.75rem;
}

p {
    font-size: 1.125rem;
    line-height: 1.6;
    margin-bottom: 1rem;
}

/* Layout */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    width: 100%;
}

/* Navigation */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: white;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    z-index: 1000;
    height: 70px;
    display: flex;
    align-items: center;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 2rem;
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
}

.nav-left {
    display: flex;
    align-items: center;
    gap: 3rem;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

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

.logo img {
    height: 24px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    border-radius: 4px;
    font-weight: 500;
    transition: all 0.2s;
    cursor: pointer;
    text-decoration: none;
    border: none;
}

.btn-primary {
    background: #0066ff;
    color: white;
}

.btn-primary:hover {
    background: #0052cc;
}

.btn-outline {
    background: transparent;
    border: 1px solid #0066ff;
    color: #0066ff;
}

.btn-outline:hover {
    background: rgba(0, 102, 255, 0.05);
}

/* Grid */
.grid {
    display: grid;
    gap: 2rem;
}

.grid-cols-3 {
    grid-template-columns: repeat(3, 1fr);
}

/* Cards */
.card {
    background: white;
    border-radius: 0.5rem;
    padding: 2rem;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

/* Section spacing */
section {
    padding: 5rem 0;
}

/* Links */
a {
    color: inherit;
    text-decoration: none;
}

.nav-menu a {
    font-weight: 500;
    padding: 0.5rem 0;
}

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

/* Responsive */
@media (max-width: 1024px) {
    .container {
        padding: 0 1.5rem;
    }
    
    h1 {
        font-size: 3rem;
    }
}

@media (max-width: 768px) {
    .grid-cols-3 {
        grid-template-columns: 1fr;
    }
    
    h1 {
        font-size: 2.5rem;
    }
    
    h2 {
        font-size: 2rem;
    }
    
    .nav-menu {
        display: none;
    }
    
    .container {
        padding: 0 1rem;
    }
}