/**
 * Professional Color Scheme & Design System
 * Inspired by Apple, Salesforce, and Stripe
 * Sophisticated, mature, and timeless design
 */

:root {
    /* Primary Palette - Deep Navy & Charcoal */
    --primary-navy: #1a202c;
    --primary-charcoal: #2d3748;
    --primary-slate: #4a5568;
    
    /* Accent Colors - Gold, Silver, Muted Teal */
    --accent-gold: #d69e2e;
    --accent-gold-light: #ecc94b;
    --accent-silver: #a0aec0;
    --accent-teal: #319795;
    --accent-teal-light: #4fd1c7;
    
    /* Neutral Grays */
    --gray-50: #f7fafc;
    --gray-100: #edf2f7;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e0;
    --gray-400: #a0aec0;
    --gray-500: #718096;
    --gray-600: #4a5568;
    --gray-700: #2d3748;
    --gray-800: #1a202c;
    --gray-900: #171923;
    
    /* Pure Colors */
    --white: #ffffff;
    --black: #000000;
    
    /* Semantic Colors */
    --success: #38a169;
    --success-light: #68d391;
    --warning: #d69e2e;
    --warning-light: #faf089;
    --danger: #e53e3e;
    --danger-light: #fc8181;
    --info: --accent-teal;
    --info-light: --accent-teal-light;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--primary-navy) 0%, var(--primary-charcoal) 100%);
    --gradient-accent: linear-gradient(135deg, var(--accent-gold) 0%, var(--accent-gold-light) 100%);
    --gradient-teal: linear-gradient(135deg, var(--accent-teal) 0%, var(--accent-teal-light) 100%);
    --gradient-overlay: linear-gradient(135deg, rgba(26, 32, 44, 0.9) 0%, rgba(45, 55, 72, 0.8) 100%);
    
    /* Shadows */
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-heading: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    
    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
}

/* Import Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

/* Global Styles */
* {
    box-sizing: border-box;
}

body {
    font-family: var(--font-primary);
    line-height: 1.6;
    color: var(--gray-700);
    background-color: var(--white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.3;
    color: var(--primary-navy);
    margin-bottom: var(--space-md);
}

.display-1, .display-2, .display-3, .display-4, .display-5, .display-6 {
    font-weight: 800;
    letter-spacing: -0.025em;
}

/* Button System */
.btn-primary {
    background: var(--gradient-primary);
    border: none;
    color: var(--white);
    font-weight: 600;
    padding: 0.75rem 2rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    color: var(--white);
}

.btn-accent {
    background: var(--gradient-accent);
    border: none;
    color: var(--primary-navy);
    font-weight: 600;
    padding: 0.75rem 2rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
}

.btn-accent:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    color: var(--primary-navy);
}

.btn-outline-primary {
    border: 2px solid var(--primary-navy);
    color: var(--primary-navy);
    background: transparent;
    font-weight: 600;
    padding: 0.75rem 2rem;
    border-radius: var(--radius-md);
    transition: all 0.3s ease;
}

.btn-outline-primary:hover {
    background: var(--primary-navy);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-teal {
    background: var(--gradient-teal);
    border: none;
    color: var(--white);
    font-weight: 600;
    padding: 0.75rem 2rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
}

.btn-teal:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    color: var(--white);
}

/* Card System */
.card-professional {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    overflow: hidden;
}

.card-professional:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.card-dark {
    background: var(--gradient-primary);
    color: var(--white);
    border: none;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.card-accent {
    background: linear-gradient(135deg, var(--gray-50) 0%, var(--white) 100%);
    border: 1px solid var(--accent-gold);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

/* Navigation */
.navbar-professional {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--gray-200);
    padding: var(--space-md) 0;
}

.navbar-logo, .footer-logo {
    transition: transform 0.3s ease;
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.1));
}

.navbar-logo:hover, .footer-logo:hover {
    transform: scale(1.05);
}

/* Hero Logo Styling */
.hero-logo {
    filter: drop-shadow(0 4px 8px rgba(0,0,0,0.2));
    transition: transform 0.3s ease;
}

.hero-logo:hover {
    transform: scale(1.05);
}

.hero-logo-section {
    display: flex;
    justify-content: flex-start;
    align-items: center;
}

/* Professional Footer */
.footer-professional {
    background: var(--gradient-primary);
    color: var(--white);
}

.footer-professional h5 {
    color: var(--accent-gold);
    font-weight: 700;
    margin-bottom: var(--space-md);
}

.footer-professional .text-muted {
    color: var(--gray-300) !important;
}

.footer-professional a {
    color: var(--gray-300);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-professional a:hover {
    color: var(--accent-gold);
}

.navbar-brand {
    font-weight: 800;
    font-size: 1.5rem;
    color: var(--primary-navy) !important;
}

.nav-link {
    font-weight: 500;
    color: var(--gray-600) !important;
    margin: 0 var(--space-sm);
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: var(--accent-gold) !important;
}

/* Hero Section */
.hero-section {
    background: var(--gradient-primary);
    position: relative;
    overflow: hidden;
    min-height: 90vh;
    display: flex;
    align-items: center;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="1" fill="%23ffffff" opacity="0.1"/></pattern></defs><rect width="100%" height="100%" fill="url(%23grain)"/></svg>');
    opacity: 0.3;
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero-badge {
    background: rgba(255, 255, 255, 0.15);
    color: var(--white);
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-xl);
    padding: var(--space-sm) var(--space-lg);
    font-weight: 600;
    font-size: 0.9rem;
    display: inline-block;
    margin-bottom: var(--space-lg);
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 900;
    color: var(--white);
    line-height: 1.1;
    margin-bottom: var(--space-lg);
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--gray-200);
    margin-bottom: var(--space-xl);
    font-weight: 400;
    line-height: 1.6;
}

/* Feature Grid */
.feature-grid {
    padding: var(--space-3xl) 0;
    background: var(--gray-50);
}

.feature-card {
    text-align: center;
    padding: var(--space-xl);
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    height: 100%;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-lg);
    font-size: 2rem;
    color: var(--primary-navy);
}

.feature-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-navy);
    margin-bottom: var(--space-md);
}

.feature-description {
    color: var(--gray-600);
    line-height: 1.6;
}

/* Statistics Section */
.stats-section {
    background: var(--primary-navy);
    color: var(--white);
    padding: var(--space-3xl) 0;
}

.stat-item {
    text-align: center;
    padding: var(--space-lg);
}

.stat-number {
    font-size: 3rem;
    font-weight: 900;
    color: var(--accent-gold);
    display: block;
    line-height: 1;
}

.stat-label {
    font-size: 1.1rem;
    color: var(--gray-300);
    font-weight: 500;
    margin-top: var(--space-sm);
}

/* Testimonials */
.testimonial-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    box-shadow: var(--shadow-md);
    border-left: 4px solid var(--accent-gold);
}

.testimonial-text {
    font-style: italic;
    font-size: 1.1rem;
    color: var(--gray-700);
    margin-bottom: var(--space-lg);
    line-height: 1.6;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.testimonial-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--gradient-accent);
}

.testimonial-name {
    font-weight: 700;
    color: var(--primary-navy);
    margin-bottom: 0.25rem;
}

.testimonial-title {
    color: var(--gray-500);
    font-size: 0.9rem;
}

/* CTA Section */
.cta-section {
    background: var(--gradient-primary);
    color: var(--white);
    padding: var(--space-3xl) 0;
    text-align: center;
}

.cta-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: var(--space-lg);
    color: var(--white);
}

.cta-subtitle {
    font-size: 1.2rem;
    color: var(--gray-200);
    margin-bottom: var(--space-xl);
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .feature-card {
        padding: var(--space-lg);
    }
    
    .stat-number {
        font-size: 2.5rem;
    }
}

/* Award Certificate Styles */
.award-certificate-container {
    position: relative;
    display: inline-block;
    margin: var(--space-lg) 0;
}

.award-certificate-container img {
    max-width: 280px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    transform: rotate(-2deg);
    transition: all 0.3s ease;
    filter: brightness(1.05) contrast(1.1);
}

.award-certificate-container:hover img {
    transform: rotate(0deg) scale(1.05);
    box-shadow: 0 20px 40px rgba(26, 32, 44, 0.3);
    filter: brightness(1.1) contrast(1.15);
}

.bg-gradient-light {
    background: linear-gradient(135deg, 
        var(--gray-50) 0%, 
        var(--white) 50%, 
        var(--gray-100) 100%) !important;
    border: 1px solid var(--gray-200);
}

/* Award Recognition Section */
.award-recognition {
    position: relative;
    overflow: hidden;
}

.award-recognition::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, 
        rgba(214, 158, 46, 0.05) 0%, 
        rgba(214, 158, 46, 0.02) 50%, 
        rgba(49, 151, 149, 0.05) 100%);
    pointer-events: none;
}

/* Utility Classes */
.text-navy { color: var(--primary-navy) !important; }
.text-gold { color: var(--accent-gold) !important; }
.text-teal { color: var(--accent-teal) !important; }
.text-silver { color: var(--accent-silver) !important; }

.bg-navy { background-color: var(--primary-navy) !important; }
.bg-gold { background-color: var(--accent-gold) !important; }
.bg-teal { background-color: var(--accent-teal) !important; }
.bg-gray-50 { background-color: var(--gray-50) !important; }

.border-gold { border-color: var(--accent-gold) !important; }
.border-teal { border-color: var(--accent-teal) !important; }

/* Animation Classes */
.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s ease forwards;
}

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.stagger-1 { animation-delay: 0.1s; }
.stagger-2 { animation-delay: 0.2s; }
.stagger-3 { animation-delay: 0.3s; }
.stagger-4 { animation-delay: 0.4s; }
.stagger-5 { animation-delay: 0.5s; }
.stagger-6 { animation-delay: 0.6s; }