/* --- Modern Professional CSS --- */

:root {
    /* Professional Color Palette */
    --primary-color: #1a1a2e;
    --secondary-color: #16213e;
    --accent-color: #0f3460;
    --highlight-color: #e94560;
    --text-primary: #2c3e50;
    --text-secondary: #6c757d;
    --text-light: #ffffff;
    --background-light: #f8f9fa;
    --background-white: #ffffff;
    --border-color: #e9ecef;
    --shadow-light: 0 2px 10px rgba(0, 0, 0, 0.1);
    --shadow-medium: 0 4px 20px rgba(0, 0, 0, 0.15);
    --shadow-heavy: 0 8px 30px rgba(0, 0, 0, 0.2);
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-heading: 'Space Grotesk', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    
    /* Spacing */
    --section-padding: 80px 0;
    --container-padding: 0 20px;
    --border-radius: 12px;
    --border-radius-large: 20px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--background-light);
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 { font-size: 3.5rem; font-weight: 700; }
h2 { font-size: 2.5rem; font-weight: 600; }
h3 { font-size: 1.8rem; font-weight: 600; }
h4 { font-size: 1.4rem; font-weight: 500; }

p {
    margin-bottom: 1.5rem;
    color: var(--text-secondary);
}

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

/* Navigation */
nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

nav.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow-light);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.logo {
    display: flex;
    align-items: center;
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
}

.nav-logo {
    height: 40px;
    width: auto;
    margin-right: 12px;
    border-radius: 8px;
}

.nav-links {
    display: flex;
    list-style: none;
    align-items: center;
    gap: 2rem;
}

.nav-links a {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    font-size: 1rem;
    transition: all 0.3s ease;
    position: relative;
}

.nav-links a:hover {
    color: var(--accent-color);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-color);
    transition: width 0.3s ease;
}

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

/* Authentication Buttons */
.auth-btn {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: white;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
}

.auth-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(52, 152, 219, 0.3);
}

.login-btn {
    background: linear-gradient(135deg, #4285f4, #34a853);
}

.logout-btn {
    background: linear-gradient(135deg, #ea4335, #fbbc04);
}

.auth-btn i {
    font-size: 0.8rem;
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #000000 0%, #1a1a2e 25%, #16213e 50%, #0f3460 75%, #000000 100%) !important;
    color: #ffffff !important;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1;
    background: 
        radial-gradient(circle at 30% 20%, rgba(255, 255, 255, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 70% 80%, rgba(255, 255, 255, 0.03) 0%, transparent 50%) !important;
}

/* Removed floating elements for professional look */

/* All floating elements removed for clean professional design */

/* Neural network elements removed for professional design */

/* Animation keyframes removed for clean professional design */

/* Clean professional background - no animations */

/* All animations removed for professional static design */

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 800px;
    padding: 0 20px;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: #ffffff !important;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: 1.3rem;
    margin-bottom: 2.5rem;
    opacity: 0.9;
    font-weight: 400;
    color: #ffffff !important;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    text-align: center;
}

.btn-primary {
    background: var(--highlight-color);
    color: var(--text-light);
    box-shadow: 0 4px 15px rgba(233, 69, 96, 0.3);
}

.btn-primary:hover {
    background: #d63447;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(233, 69, 96, 0.4);
}

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

.btn-secondary:hover {
    background: var(--text-light);
    color: var(--primary-color);
    transform: translateY(-2px);
}

/* Main Content */
main {
    position: relative;
    z-index: 10;
}

/* Section Styles */
.content-section {
    padding: var(--section-padding);
    background: var(--background-white);
}

.content-section.white-bg {
    background: var(--background-white);
}

.content-section {
    display: flex;
    align-items: center;
    gap: 4rem;
    max-width: 1200px;
    margin: 0 auto;
    padding: 80px 20px;
}

.column {
    flex: 1;
}

.mission-text-block h2 {
    color: var(--accent-color);
    margin-bottom: 2rem;
    font-size: 2.5rem;
    position: relative;
}

.mission-text-block h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 60px;
    height: 4px;
    background: var(--highlight-color);
    border-radius: 2px;
}

.mission-text-block p {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.mission-highlight {
    background: linear-gradient(135deg, #f8f9ff, #e8f2ff);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    border-left: 4px solid var(--highlight-color);
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-top: 2rem;
}

.mission-highlight i {
    color: var(--highlight-color);
    font-size: 1.5rem;
    margin-top: 0.2rem;
}

.mission-highlight span {
    font-weight: 500;
    color: var(--text-primary);
}

.image-block {
    display: flex;
    justify-content: center;
    align-items: center;
}

.mission-image {
    width: 100%;
    height: auto;
    border-radius: var(--border-radius-large);
    box-shadow: var(--shadow-medium);
    transition: transform 0.3s ease;
}

.mission-image:hover {
    transform: scale(1.02);
}

/* Services Section */
.services-section {
    background: var(--background-light);
    padding: var(--section-padding);
}

.section-title {
    text-align: center;
    margin-bottom: 4rem;
    color: var(--primary-color);
    font-size: 2.5rem;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--highlight-color);
    border-radius: 2px;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.service-card {
    background: var(--background-white);
    padding: 2.5rem 2rem;
    border-radius: var(--border-radius-large);
    text-align: center;
    box-shadow: var(--shadow-light);
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-medium);
    border-color: var(--accent-color);
}

.service-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    background: linear-gradient(135deg, var(--accent-color), var(--highlight-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-light);
    font-size: 2rem;
}

.service-card h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.4rem;
}

.service-card p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Contact Section */
.contact-section {
    background: var(--background-white);
    padding: var(--section-padding);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.contact-info h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.8rem;
}

.contact-info p {
    margin-bottom: 2rem;
    font-size: 1.1rem;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact-method {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--background-light);
    border-radius: var(--border-radius);
    transition: all 0.3s ease;
}

.contact-method:hover {
    background: #f0f4ff;
    transform: translateX(5px);
}

.contact-method i {
    color: var(--accent-color);
    font-size: 1.2rem;
    width: 20px;
}

.contact-form {
    background: var(--background-light);
    padding: 2rem;
    border-radius: var(--border-radius-large);
    box-shadow: var(--shadow-light);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: all 0.3s ease;
    background: var(--background-white);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(15, 52, 96, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* Footer */
footer {
    background: var(--primary-color);
    color: var(--text-light);
    text-align: center;
    padding: 2rem 0;
    margin-top: 0;
}

footer p {
    margin: 0;
    opacity: 0.8;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .content-section {
        flex-direction: column;
        gap: 2rem;
        text-align: center;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    h1 { font-size: 2.5rem; }
    h2 { font-size: 2rem; }
    h3 { font-size: 1.5rem; }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .service-card {
        padding: 2rem 1.5rem;
    }
    
    .contact-form {
        padding: 1.5rem;
    }
}

/* Smooth scrolling and animations */
@media (prefers-reduced-motion: no-preference) {
    .service-card,
    .mission-image,
    .contact-method {
        animation: fadeInUp 0.6s ease-out;
    }
}

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

/* Loading states and micro-interactions */
.btn:active {
    transform: translateY(0);
}

.service-card:active {
    transform: translateY(-5px);
}

/* Focus states for accessibility */
.btn:focus,
.nav-links a:focus {
    outline: 2px solid var(--accent-color);
    outline-offset: 2px;
}

/* Print styles */
@media print {
    .hero,
    .nav-links,
    .contact-form {
        display: none;
    }
    
    body {
        background: white;
        color: black;
    }
}