/* =====================================================
   WCSH INNOVATION HUB - MAIN GLOBAL STYLES
   ===================================================== */

/* CSS Variables */
:root {
    /* Colors */
    --primary-blue: #2563eb;
    --primary-blue-dark: #1d4ed8;
    --primary-blue-light: #3b82f6;
    --secondary-orange: #ea580c;
    --secondary-orange-dark: #c2410c;
    --secondary-orange-light: #f97316;
    
    /* Gradients */
    --gradient-blue: linear-gradient(135deg, #1e3a8a 0%, #1e40af 50%, #ea580c 100%);
    --gradient-purple: linear-gradient(135deg, #5b21b6 0%, #7c3aed 50%, #a855f7 100%);
    --gradient-dashboard: linear-gradient(135deg, #f8fafc 0%, #dbeafe 100%);
    
    /* Neutrals */
    --white: #ffffff;
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1e293b;
    --gray-900: #0f172a;
    
    /* Status Colors */
    --success: #10b981;
    --success-light: #d1fae5;
    --success-dark: #065f46;
    --error: #ef4444;
    --error-light: #fee2e2;
    --error-dark: #991b1b;
    --warning: #f59e0b;
    --info: #3b82f6;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 50px;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 15px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 30px rgba(0,0,0,0.1);
    --shadow-xl: 0 20px 60px rgba(0,0,0,0.3);
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Fonts */
    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
}

/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-family);
    overflow-x: hidden;
    line-height: 1.6;
    color: var(--gray-800);
    background: var(--white);
}

/* Animations */
@keyframes pulse {
    0%, 100% { 
        opacity: 0.2; 
        transform: scale(1); 
    }
    50% { 
        opacity: 0.4; 
        transform: scale(1.05); 
    }
}

@keyframes fadeIn {
    from { 
        opacity: 0; 
    }
    to { 
        opacity: 1; 
    }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideLeft {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideRight {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes float {
    0%, 100% { 
        transform: translateY(0px); 
    }
    50% { 
        transform: translateY(-20px); 
    }
}

@keyframes shake {
    0%, 100% { 
        transform: translateX(0); 
    }
    25% { 
        transform: translateX(-10px); 
    }
    75% { 
        transform: translateX(10px); 
    }
}

@keyframes spin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

@keyframes bounce {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

/* Utility Classes */
.hidden {
    display: none !important;
}

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

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

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

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

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

/* Background Blobs (decorative) */
.bg-blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(60px);
    opacity: 0.2;
    animation: pulse 3s infinite;
    pointer-events: none;
}

.blob1 {
    top: 10%;
    left: 10%;
    width: 300px;
    height: 300px;
    background: var(--secondary-orange-light);
}

.blob2 {
    top: 20%;
    right: 10%;
    width: 300px;
    height: 300px;
    background: var(--primary-blue-light);
    animation-delay: 1s;
}

.blob3 {
    bottom: -10%;
    left: 50%;
    width: 300px;
    height: 300px;
    background: #fdba74;
    animation-delay: 2s;
}

/* Common Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-xl) var(--spacing-lg);
}

/* Navbar Styles */
.navbar {
    background: var(--white);
    padding: 1.5rem 2rem;
    box-shadow: var(--shadow-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.nav-logo {
    font-size: 2rem;
    color: var(--primary-blue-dark);
}

.nav-logo-img {
    width: 50px;
    height: 50px;
    object-fit: contain;
}

.nav-title {
    font-size: 1.5rem;
    font-weight: bold;
    background: linear-gradient(135deg, var(--primary-blue-dark) 0%, var(--secondary-orange) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Buttons */
.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-weight: 600;
    transition: all var(--transition-normal);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-family);
    font-size: 1rem;
}

.btn-primary {
    background: var(--primary-blue);
    color: var(--white);
}

.btn-primary:hover {
    background: var(--primary-blue-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.btn-secondary {
    background: var(--secondary-orange);
    color: var(--white);
}

.btn-secondary:hover {
    background: var(--secondary-orange-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(234, 88, 12, 0.3);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--primary-blue);
    color: var(--primary-blue);
}

.btn-outline:hover {
    background: var(--primary-blue);
    color: var(--white);
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

.btn-gradient {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-orange) 100%);
    color: var(--white);
}

.btn-gradient:hover {
    transform: scale(1.05);
    box-shadow: 0 8px 20px rgba(37, 99, 235, 0.4);
}

/* Cards */
.card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 30px rgba(0,0,0,0.15);
}

/* Loading Spinner */
.spinner {
    border: 3px solid var(--gray-200);
    border-top: 3px solid var(--primary-blue);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
    margin: 2rem auto;
}

/* Responsive breakpoints */
@media (max-width: 1200px) {
    .container {
        max-width: 960px;
    }
}

@media (max-width: 992px) {
    .container {
        max-width: 720px;
    }
}

@media (max-width: 768px) {
    .container {
        max-width: 540px;
        padding: var(--spacing-lg) var(--spacing-md);
    }
    
    .navbar {
        padding: 1rem;
    }
    
    .nav-title {
        font-size: 1.25rem;
    }
}

@media (max-width: 576px) {
    .container {
        width: 100%;
        padding: var(--spacing-md);
    }
}