/* ========================================
   PARALLAX INTELLIGENCE NETWORK
   Design System & Variables
   ======================================== */

:root {
    /* Colors */
    --primary: #00FF00;
    --primary-dim: rgba(0, 255, 0, 0.1);
    --primary-glow: rgba(0, 255, 0, 0.3);
    --bg-dark: #000000;
    --bg-card: #111111;
    --bg-elevated: #1a1a1a;
    --bg-overlay: rgba(0, 0, 0, 0.95);
    --border: #333333;
    --border-dim: #222222;
    --text-primary: #F0F0F0;
    --text-muted: #888888;
    --text-dim: #666666;
    
    /* Typography */
    --font-mono: "Fira Code", "JetBrains Mono", monospace;
    
    /* Spacing */
    --section-padding: 5rem;
    --container-max: 960px;
    --gap-sm: 0.5rem;
    --gap-md: 1rem;
    --gap-lg: 2rem;
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-mono);
    font-size: 14px;
    background: var(--bg-dark);
    color: var(--text-primary);
    overflow-x: hidden;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

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

a:hover {
    color: var(--text-primary);
}

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

/* ========================================
   LAYOUT
   ======================================== */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 1.5rem;
}

section {
    padding: var(--section-padding) 0;
    border-bottom: 1px solid var(--border);
}

/* Grid Systems */
.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--gap-md);
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--gap-md);
}

.grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--gap-md);
}

@media (max-width: 768px) {
    .grid-2, .grid-3, .grid-4 {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ========================================
   TYPOGRAPHY
   ======================================== */
.section-label {
    color: var(--primary);
    font-weight: 700;
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: 0.5rem;
}

.section-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    line-height: 1.2;
}

.section-subtitle {
    color: var(--text-muted);
    margin-bottom: var(--gap-lg);
    max-width: 600px;
}

/* ========================================
   COMPONENTS - Buttons
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-family: inherit;
    font-size: 0.875rem;
    font-weight: 700;
    text-transform: uppercase;
    border: 1px solid var(--primary);
    background: transparent;
    color: var(--primary);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
}

.btn:hover {
    background: var(--primary);
    color: var(--bg-dark);
}

.btn-primary {
    background: var(--primary);
    color: var(--bg-dark);
}

.btn-primary:hover {
    background: var(--text-primary);
    border-color: var(--text-primary);
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1rem;
}

.btn .material-symbols-outlined {
    font-size: 1.25rem;
}

/* ========================================
   COMPONENTS - Cards
   ======================================== */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    padding: var(--gap-lg);
    transition: border-color var(--transition-normal);
}

.card:hover {
    border-color: var(--primary);
}

.card-elevated {
    background: var(--bg-elevated);
}

/* Icon Box */
.icon-box {
    width: 3rem;
    height: 3rem;
    background: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--gap-md);
}

.icon-box .material-symbols-outlined {
    color: var(--bg-dark) !important;
    font-size: 1.5rem;
}

.icon-box-lg {
    width: 3.5rem;
    height: 3.5rem;
}

.icon-box-lg .material-symbols-outlined {
    font-size: 2rem;
}

/* ========================================
   COMPONENTS - Forms
   ======================================== */
.form-group {
    display: flex;
    gap: var(--gap-sm);
    max-width: 400px;
}

.form-input {
    flex: 1;
    padding: 0.75rem 1rem;
    font-family: inherit;
    font-size: 0.875rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text-primary);
    outline: none;
    transition: border-color var(--transition-fast);
}

.form-input::placeholder {
    color: var(--text-dim);
}

.form-input:focus {
    border-color: var(--primary);
}

.form-message {
    font-size: 0.75rem;
    margin-top: 0.5rem;
}

.form-message.success {
    color: var(--primary);
}

.form-message.error {
    color: #ff4444;
}

/* ========================================
   COMPONENTS - Status Badge
   ======================================== */
.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--bg-dark);
    border: 1px solid var(--primary);
}

.status-dot {
    width: 0.5rem;
    height: 0.5rem;
    background: var(--primary);
    animation: pulse 2s infinite;
}

.status-text {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ========================================
   MATERIAL SYMBOLS
   ======================================== */
.material-symbols-outlined {
    font-variation-settings: "wght" 400, "FILL" 0;
    color: var(--primary);
}