/* ===========================
   CSS VARIABLES & RESET
   =========================== */

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

:root {
    /* Colors */
    --primary: #5c5edc;
    --secondary: #0a9191;
    --accent: #7c3aed;
    --dark-bg: #0a0a0f;
    --card-bg: rgba(30, 30, 45, 0.6);
    --text-primary: #ffffff;
    --text-secondary: #a0a0b0;
    --border: rgba(255, 255, 255, 0.1);
    --glow: rgba(92, 94, 220, 0.3);
    
    /* New: Burnt Coral for branding consistency
    --xsv-burnt-coral: #ff6b6b;
    --xsv-arctic-steel: #a0a0b0;
    --xsv-violet: #7c3aed; */
    
    /* Typography */
    --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Inter', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-mono: 'SF Mono', 'Monaco', 'Inconsolata', 'Fira Code', monospace;
    
    /* Spacing */
    --section-padding: 120px;
    --container-max-width: 1400px;
    --container-padding: 40px;
    
    /* Effects */
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    --blur-amount: 20px;
}

/* ===========================
   SCROLLBAR STYLING (NO RED!)
   =========================== */

/* Modern Webkit Browsers (Chrome, Safari, Edge) */
::-webkit-scrollbar {
    width: 12px;
}

::-webkit-scrollbar-track {
    background: var(--dark-bg);
    border-left: 1px solid var(--border);
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--primary), var(--secondary));
    border-radius: 6px;
    border: 2px solid var(--dark-bg);
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, var(--secondary), var(--primary));
}

/* Firefox */
* {
    scrollbar-width: thin;
    scrollbar-color: var(--primary) var(--dark-bg);
}

/* ===========================
   BASE STYLES
   =========================== */

body {
    font-family: var(--font-primary);
    background: var(--dark-bg);
    color: var(--text-secondary);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(ellipse at 10% 20%, rgba(92, 94, 220, 0.15) 0%, transparent 40%),
        radial-gradient(ellipse at 90% 80%, rgba(10, 145, 145, 0.12) 0%, transparent 40%),
        radial-gradient(ellipse at 50% 50%, rgba(124, 58, 237, 0.08) 0%, transparent 60%);
    pointer-events: none;
    z-index: 0;
}

.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    position: relative;
    z-index: 1;
}

section {
    padding: var(--section-padding) 0;
    position: relative;
}

/* ===========================
   TYPOGRAPHY
   =========================== */

h1, h2, h3, h4, h5, h6 {
    color: var(--text-primary);
    font-weight: 800;
    line-height: 1.2;
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: var(--transition-smooth);
}

a:hover {
    color: var(--secondary);
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ===========================
   LAYOUT UTILITIES
   =========================== */

.section-header {
    margin-bottom: 80px;
}

.section-label {
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--primary);
    margin-bottom: 15px;
}

.section-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    margin-bottom: 25px;
    letter-spacing: -1.5px;
}

.section-description {
    font-size: 1.3rem;
    color: var(--text-secondary);
    max-width: 700px;
    line-height: 1.7;
}