/* PHOENIX Online Development - Main Stylesheet */

/* ============================================
   BRAND COLORS & VARIABLES
   ============================================ */
:root {
    /* Primary Brand Colors */
    --phoenix-purple: #8B5CF6;
    --phoenix-orange: #F97316;
    --phoenix-cyan: #06B6D4;
    --phoenix-pink: #EC4899;
    
    /* Background Colors */
    --bg-dark: #0A0E27;
    --bg-navy: #1A1F3A;
    --bg-purple-dark: #1E1B4B;
    
    /* Accent Colors */
    --accent-blue: #3B82F6;
    --accent-red: #EF4444;
    --accent-gold: #F59E0B;
    
    /* Text Colors */
    --text-primary: #FFFFFF;
    --text-secondary: #94A3B8;
    --text-muted: #64748B;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #8B5CF6 0%, #EC4899 50%, #F97316 100%);
    --gradient-dark: linear-gradient(180deg, #0A0E27 0%, #1A1F3A 100%);
    --gradient-purple: linear-gradient(135deg, #6366F1 0%, #8B5CF6 100%);
    --gradient-orange: linear-gradient(135deg, #F97316 0%, #FB923C 100%);
    --gradient-glow: linear-gradient(135deg, rgba(139, 92, 246, 0.5), rgba(236, 72, 153, 0.5));
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Border Radius */
    --radius-sm: 0.5rem;
    --radius-md: 1rem;
    --radius-lg: 1.5rem;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.3);
    --shadow-glow: 0 0 20px rgba(139, 92, 246, 0.5);
}

/* ============================================
   RESET & BASE STYLES
   ============================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: var(--bg-navy);
}

::-webkit-scrollbar-thumb {
    background: rgba(139, 92, 246, 0.3);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(139, 92, 246, 0.5);
}

/* ============================================
   TYPOGRAPHY
   ============================================ */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Orbitron', 'Rajdhani', sans-serif;
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
    color: var(--text-primary);
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    margin-bottom: var(--spacing-md);
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: var(--spacing-md);
}

h3 {
    font-size: clamp(1.5rem, 3vw, 2rem);
    margin-bottom: var(--spacing-sm);
}

p {
    margin-bottom: var(--spacing-sm);
    color: var(--text-secondary);
}

a {
    color: var(--phoenix-cyan);
    text-decoration: none;
    transition: all 0.3s ease;
}

a:hover {
    color: var(--phoenix-purple);
}

/* ============================================
   CIRCUIT BOARD BACKGROUND
   ============================================ */
.circuit-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    opacity: 0.3;
    background: var(--bg-dark);
    pointer-events: none;
}

.circuit-bg::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(90deg, var(--phoenix-cyan) 1px, transparent 1px),
        linear-gradient(0deg, var(--phoenix-orange) 1px, transparent 1px);
    background-size: 50px 50px;
    opacity: 0.05;
}

.circuit-pattern {
    position: absolute;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 20% 50%, rgba(139, 92, 246, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 50%, rgba(249, 115, 22, 0.1) 0%, transparent 50%);
}

/* ============================================
   NAVIGATION
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    background: rgba(10, 14, 39, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(139, 92, 246, 0.2);
    z-index: 1000;
    transition: all 0.3s ease;
}

.navbar.scrolled {
    padding: var(--spacing-xs) var(--spacing-md);
    box-shadow: var(--shadow-lg);
}

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

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    text-transform: uppercase;
    font-family: 'Orbitron', sans-serif;
    letter-spacing: 0.1em;
}

.nav-logo img, .nav-logo svg {
    height: 40px;
    width: auto;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-md);
    align-items: center;
}

.nav-menu li a {
    color: var(--text-secondary);
    font-weight: 500;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    transition: all 0.3s ease;
}

.nav-menu li a:hover,
.nav-menu li a.active {
    color: var(--text-primary);
    background: rgba(139, 92, 246, 0.1);
}

.nav-cta {
    background: var(--gradient-primary);
    color: var(--text-primary) !important;
    padding: var(--spacing-xs) var(--spacing-md) !important;
    border-radius: var(--radius-md);
    font-weight: 600;
    box-shadow: var(--shadow-glow);
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 30px rgba(139, 92, 246, 0.7);
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all 0.3s ease;
}

/* ============================================
   UTILITY CLASSES
   ============================================ */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.text-center {
    text-align: center;
}

.text-gradient {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }

.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }

.flex { display: flex; }
.flex-col { flex-direction: column; }
.gap-2 { gap: var(--spacing-sm); }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.w-full { width: 100%; }

/* ============================================
   BUTTONS (Base)
   ============================================ */
.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
    font-size: 1rem;
    font-family: 'Inter', sans-serif;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--text-primary);
    box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 30px rgba(139, 92, 246, 0.7);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 2px solid var(--phoenix-purple);
}

.btn-secondary:hover {
    background: rgba(139, 92, 246, 0.1);
    border-color: var(--phoenix-cyan);
}