:root {
    /* Color Palette - Light Theme */
    --bg-main: #FAFAFA;
    --bg-secondary: #FFFFFF;
    --bg-tertiary: #F3F4F6;
    
    --text-main: #111827;
    --text-muted: #6B7280;
    
    --accent: #2563EB;
    --accent-hover: #1D4ED8;
    
    --border-color: rgba(0, 0, 0, 0.08);
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(255, 255, 255, 0.5);
    
    --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.05);

    --gradient-1: linear-gradient(135deg, #2563EB 0%, #4F46E5 100%);
    --gradient-text: linear-gradient(to right, #111827, #374151);

    /* Typography */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
}

[data-theme="dark"] {
    /* Color Palette - Dark Theme */
    --bg-main: #0A0A0B;
    --bg-secondary: #121214;
    --bg-tertiary: #18181B;
    
    --text-main: #F3F4F6;
    --text-muted: #A1A1AA;
    
    --accent: #3B82F6;
    --accent-hover: #60A5FA;
    
    --border-color: rgba(255, 255, 255, 0.08);
    --glass-bg: rgba(18, 18, 20, 0.6);
    --glass-border: rgba(255, 255, 255, 0.05);

    --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.6);

    --gradient-1: linear-gradient(135deg, #3B82F6 0%, #8B5CF6 100%);
    --gradient-text: linear-gradient(to right, #F3F4F6, #9CA3AF);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background-color: var(--bg-main);
    color: var(--text-main);
    line-height: 1.6;
    transition: background-color 0.3s ease, color 0.3s ease;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.2;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Utilities */
.pt-section { padding-top: 6rem; }
.pb-section { padding-bottom: 6rem; }
@media (min-width: 768px) {
    .pt-section { padding-top: 10rem; }
    .pb-section { padding-bottom: 10rem; }
}

.text-gradient {
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
[data-theme="dark"] .text-gradient {
    background: linear-gradient(to right, #FFFFFF, #60A5FA);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}