/* Modern UI Design System - Latest Trends 2025 */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Space+Grotesk:wght@400;500;600;700&display=swap');

/* CSS Variables for Modern Theming */
:root {
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --secondary-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --accent-gradient: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --dark-gradient: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
    
    --glass-bg: rgba(255, 255, 255, 0.1);
    --glass-border: rgba(255, 255, 255, 0.18);
    --blur-amount: 12px;
    
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --shadow-glow: 0 0 50px rgba(102, 126, 234, 0.5);
    
    --text-primary: #1a202c;
    --text-secondary: #4a5568;
    --text-muted: #718096;
    
    --border-radius: 16px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Dark Mode Variables */
[data-theme="dark"] {
    --glass-bg: rgba(0, 0, 0, 0.3);
    --glass-border: rgba(255, 255, 255, 0.1);
    --text-primary: #f7fafc;
    --text-secondary: #e2e8f0;
    --text-muted: #cbd5e0;
    background: #0f0f23;
}

/* Global Styles with Modern Typography */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    position: relative;
    overflow-x: hidden;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(120, 140, 255, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(255, 119, 120, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 40% 20%, rgba(255, 219, 120, 0.2) 0%, transparent 50%);
    z-index: -1;
}

/* Modern Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    position: relative;
}

/* Glassmorphic Header */
header {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--blur-amount));
    -webkit-backdrop-filter: blur(var(--blur-amount));
    border-bottom: 1px solid var(--glass-border);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    padding: 1rem 0;
    transition: var(--transition);
    animation: slideDown 0.5s ease-out;
}

@keyframes slideDown {
    from {
        transform: translateY(-100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

header.scrolled {
    background: rgba(255, 255, 255, 0.95);
    box-shadow: var(--shadow-lg);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 28px;
    font-weight: 700;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: gradientShift 3s ease infinite;
}

@keyframes gradientShift {
    0%, 100% { filter: hue-rotate(0deg); }
    50% { filter: hue-rotate(30deg); }
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 40px;
    align-items: center;
}

.nav-links a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    position: relative;
    transition: var(--transition);
    padding: 8px 0;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-gradient);
    transition: width 0.3s ease;
}

.nav-links a:hover::after {
    width: 100%;
}

/* Dark Mode Toggle */
.theme-toggle {
    width: 60px;
    height: 30px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 50px;
    position: relative;
    cursor: pointer;
    transition: var(--transition);
}

.theme-toggle::before {
    content: '🌙';
    position: absolute;
    left: 5px;
    top: 50%;
    transform: translateY(-50%);
    width: 22px;
    height: 22px;
    background: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

[data-theme="dark"] .theme-toggle::before {
    content: '☀️';
    left: calc(100% - 27px);
}

/* Modern Hero Section */
main {
    margin-top: 80px;
}

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 100px 0;
    background: transparent;
}

.hero-content {
    text-align: center;
    animation: fadeInUp 1s ease-out;
}

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

.hero h1 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    margin-bottom: 24px;
    background: linear-gradient(135deg, #fff 0%, #e0e0e0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1.2;
    animation: textGlow 2s ease-in-out infinite alternate;
}

@keyframes textGlow {
    from { text-shadow: 0 0 20px rgba(255, 255, 255, 0.5); }
    to { text-shadow: 0 0 30px rgba(255, 255, 255, 0.8), 0 0 40px rgba(102, 126, 234, 0.8); }
}

.hero p {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 32px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* Glassmorphic Info Box */
.info-box {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--blur-amount));
    -webkit-backdrop-filter: blur(var(--blur-amount));
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius);
    padding: 24px;
    margin: 32px auto;
    max-width: 600px;
    box-shadow: var(--shadow-xl);
}

/* Modern CTA Button */
.cta-button {
    display: inline-block;
    padding: 18px 36px;
    font-size: 1.1rem;
    font-weight: 600;
    color: white;
    background: linear-gradient(135deg, #ff6b6b 0%, #ee5a52 100%);
    border: none;
    border-radius: 50px;
    text-decoration: none;
    position: relative;
    overflow: hidden;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(255, 107, 107, 0.4);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { box-shadow: 0 4px 15px rgba(255, 107, 107, 0.4); }
    50% { box-shadow: 0 4px 20px rgba(255, 107, 107, 0.6); }
    100% { box-shadow: 0 4px 15px rgba(255, 107, 107, 0.4); }
}

.cta-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s;
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(255, 107, 107, 0.5);
}

.cta-button:hover::before {
    left: 100%;
}

/* Modern Service Cards */
.services {
    padding: 100px 0;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(5px);
}

.services h2 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 3rem;
    text-align: center;
    margin-bottom: 20px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.service-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 32px;
    margin-top: 60px;
}

.service-card {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 24px;
    padding: 40px;
    position: relative;
    overflow: hidden;
    transition: var(--transition);
    box-shadow: var(--shadow-xl);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--primary-gradient);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.service-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: var(--shadow-2xl);
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-icon {
    font-size: 3rem;
    margin-bottom: 20px;
    animation: iconFloat 3s ease-in-out infinite;
}

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

.service-card h3 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.5rem;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.service-card p {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* Result Box */
.result-box {
    margin-top: 20px;
    padding: 16px;
    background: linear-gradient(135deg, #f0f8ff 0%, #e6f3ff 100%);
    border-radius: 12px;
    border-left: 4px solid #4facfe;
}

/* Modern Target Industries */
.targets {
    padding: 100px 0;
    background: transparent;
}

.target-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    margin-top: 50px;
}

.target-card {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--blur-amount));
    -webkit-backdrop-filter: blur(var(--blur-amount));
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 32px;
    text-align: center;
    color: white;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.target-card::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.3s;
}

.target-card:hover {
    transform: translateY(-5px) scale(1.05);
    border-color: rgba(255, 255, 255, 0.3);
}

.target-card:hover::after {
    opacity: 1;
}

/* Modern Contact Section */
.contact {
    padding: 100px 0;
    background: rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(5px);
    color: white;
    text-align: center;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
    margin-top: 50px;
}

.contact-card {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--blur-amount));
    -webkit-backdrop-filter: blur(var(--blur-amount));
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 40px;
    transition: var(--transition);
}

.contact-card:hover {
    transform: translateY(-10px);
    background: rgba(255, 255, 255, 0.15);
    box-shadow: var(--shadow-glow);
}

/* Modern Form Design */
.form-section {
    background: rgba(255, 255, 255, 0.98);
    border-radius: 30px;
    padding: 50px;
    margin-top: 50px;
    box-shadow: var(--shadow-2xl);
}

.form-group {
    margin-bottom: 28px;
    position: relative;
}

.form-group label {
    display: block;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
    font-size: 0.95rem;
    transition: var(--transition);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 16px 20px;
    border: 2px solid #e2e8f0;
    border-radius: 12px;
    font-size: 1rem;
    transition: var(--transition);
    background: #f7fafc;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #667eea;
    background: white;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

/* Floating Label Effect */
.form-group.floating-label {
    position: relative;
    margin-top: 20px;
}

.form-group.floating-label label {
    position: absolute;
    top: 50%;
    left: 20px;
    transform: translateY(-50%);
    transition: var(--transition);
    pointer-events: none;
    background: white;
    padding: 0 8px;
}

.form-group.floating-label input:focus + label,
.form-group.floating-label input:not(:placeholder-shown) + label {
    top: 0;
    font-size: 0.85rem;
    color: #667eea;
}

/* Modern Submit Button */
.submit-button {
    width: 100%;
    padding: 18px;
    background: var(--primary-gradient);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.submit-button::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.submit-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.3);
}

.submit-button:active::after {
    width: 300px;
    height: 300px;
}

/* Success/Error Messages */
.success-message, .error-message {
    padding: 16px 24px;
    border-radius: 12px;
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    gap: 12px;
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from {
        transform: translateX(-100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.success-message {
    background: linear-gradient(135deg, #d4edda 0%, #c3e6cb 100%);
    color: #155724;
    border-left: 4px solid #28a745;
}

.error-message {
    background: linear-gradient(135deg, #f8d7da 0%, #f5c6cb 100%);
    color: #721c24;
    border-left: 4px solid #dc3545;
}

/* Modern Footer */
footer {
    background: rgba(0, 0, 0, 0.9);
    color: white;
    padding: 30px 0;
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .service-grid,
    .target-grid,
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .form-section {
        padding: 30px 20px;
    }
}

/* Loading Animation */
.loading {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--primary-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

.loading-spinner {
    width: 50px;
    height: 50px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Scroll Animations */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.animated {
    opacity: 1;
    transform: translateY(0);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 12px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: var(--primary-gradient);
    border-radius: 6px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, #5a67d8 0%, #6b46c1 100%);
}