/* ==========================================================================
   FRAGK LLC - Strategic Digital Marketing Consultancy
   Right-Side Floating Navigation + Dark Tech Design
   Unique Color Scheme: Deep Blue (#0A1929) + Electric Blue (#00D4FF) + White
   Fonts: Montserrat (Headings) + Source Sans Pro (Body)
========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@300;400;500;600;700;800&family=Source+Sans+Pro:wght@300;400;600;700&display=swap');

:root {
    --primary-dark: #0A1929;
    --secondary-dark: #112940;
    --accent-blue: #00D4FF;
    --accent-light: #66E8FF;
    --text-primary: #FFFFFF;
    --text-secondary: #B0C4DE;
    --text-muted: #8892B0;
    --border-color: rgba(0, 212, 255, 0.2);
    --gradient-primary: linear-gradient(135deg, var(--primary-dark), var(--secondary-dark));
    --gradient-accent: linear-gradient(45deg, var(--accent-blue), var(--accent-light));
    --shadow-glow: 0 0 20px rgba(0, 212, 255, 0.3);
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Source Sans Pro', sans-serif;
    background: var(--primary-dark);
    color: var(--text-primary);
    line-height: 1.7;
    overflow-x: hidden;
    position: relative;
}

/* Animated Background */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 50%, rgba(0, 212, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(102, 232, 255, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 40% 80%, rgba(0, 212, 255, 0.08) 0%, transparent 50%);
    z-index: -1;
    animation: backgroundFloat 20s ease-in-out infinite;
}

@keyframes backgroundFloat {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(1deg); }
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    position: relative;
    z-index: 1;
}

/* Right Sidebar Navigation */
.sidebar-nav {
    position: fixed;
    right: 2rem;
    top: 50%;
    transform: translateY(-50%);
    z-index: 1000;
    background: rgba(17, 41, 64, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 25px;
    padding: 1rem 0.5rem;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-glow);
    transition: var(--transition-smooth);
}

.sidebar-nav:hover {
    box-shadow: 0 0 30px rgba(0, 212, 255, 0.5);
    transform: translateY(-50%) scale(1.05);
}

.nav-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.nav-item {
    position: relative;
}

.nav-link {
    display: block;
    padding: 0.75rem 1.5rem;
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    letter-spacing: 0.5px;
    border-radius: 15px;
    transition: var(--transition-smooth);
    position: relative;
    white-space: nowrap;
}

.nav-link:hover,
.nav-link.active {
    color: var(--text-primary);
    background: var(--gradient-accent);
    color: var(--primary-dark);
    font-weight: 600;
    transform: translateX(-5px);
}

.nav-link::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 0;
    background: var(--accent-blue);
    border-radius: 0 3px 3px 0;
    transition: var(--transition-smooth);
}

.nav-link:hover::before,
.nav-link.active::before {
    height: 60%;
}

/* Section Styling */
.section {
    min-height: 100vh;
    padding: 6rem 0;
    position: relative;
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.8s ease;
}

.section.visible {
    opacity: 1;
    transform: translateY(0);
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-family: 'Montserrat', sans-serif;
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1rem;
    letter-spacing: -1px;
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

/* Hero Section */
.hero {
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    background: var(--gradient-primary);
}

.hero-content {
    max-width: 900px;
    position: relative;
    z-index: 2;
}

.hero-title {
    font-family: 'Montserrat', sans-serif;
    font-size: clamp(3rem, 6vw, 5rem);
    font-weight: 800;
    margin-bottom: 1.5rem;
    line-height: 1.1;
}

.hero-title .highlight {
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.3rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.8;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
    padding: 2rem;
    background: rgba(17, 41, 64, 0.5);
    border-radius: 20px;
    border: 1px solid var(--border-color);
}

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

.stat-number {
    font-family: 'Montserrat', sans-serif;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--accent-blue);
    display: block;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* About Section */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text h3 {
    font-family: 'Montserrat', sans-serif;
    font-size: 2rem;
    color: var(--accent-blue);
    margin-bottom: 1.5rem;
}

.about-text p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}

.philosophy-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-top: 2rem;
}

.philosophy-item {
    padding: 1.5rem;
    background: rgba(17, 41, 64, 0.5);
    border-radius: 15px;
    border: 1px solid var(--border-color);
    transition: var(--transition-smooth);
}

.philosophy-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-glow);
}

.philosophy-icon {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.philosophy-item h4 {
    font-family: 'Montserrat', sans-serif;
    color: var(--accent-blue);
    margin-bottom: 0.5rem;
}

/* Services Section */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.service-card {
    background: rgba(17, 41, 64, 0.5);
    border-radius: 20px;
    padding: 2.5rem;
    border: 1px solid var(--border-color);
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-accent);
    transform: scaleX(0);
    transition: var(--transition-smooth);
}

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

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-glow);
}

.service-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    display: block;
}

.service-card h3 {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.5rem;
    color: var(--accent-blue);
    margin-bottom: 1rem;
}

.service-features {
    list-style: none;
    margin-top: 1.5rem;
}

.service-features li {
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    padding-left: 1.5rem;
    position: relative;
}

.service-features li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--accent-blue);
    font-weight: bold;
}

/* Cases Section */
.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
}

.case-study {
    background: rgba(17, 41, 64, 0.5);
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: var(--transition-smooth);
}

.case-study:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-glow);
}

.case-image {
    height: 250px;
    background-size: cover;
    background-position: center;
    position: relative;
}

.case-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(10, 25, 41, 0.9));
    padding: 2rem;
}

.case-content {
    padding: 2rem;
}

.case-results {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin: 1.5rem 0;
}

.result-item {
    text-align: center;
    padding: 1rem;
    background: rgba(0, 212, 255, 0.1);
    border-radius: 10px;
}

.result-number {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-blue);
    display: block;
}

/* Contact Section */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-info h3 {
    font-family: 'Montserrat', sans-serif;
    font-size: 2rem;
    color: var(--accent-blue);
    margin-bottom: 2rem;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 2rem;
}

.contact-icon {
    font-size: 1.5rem;
    color: var(--accent-blue);
    margin-right: 1rem;
    margin-top: 0.25rem;
}

.contact-details h4 {
    font-family: 'Montserrat', sans-serif;
    margin-bottom: 0.5rem;
}

.contact-details p {
    color: var(--text-secondary);
}

.contact-form {
    background: rgba(17, 41, 64, 0.5);
    padding: 2.5rem;
    border-radius: 20px;
    border: 1px solid var(--border-color);
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.form-control {
    width: 100%;
    padding: 1rem;
    background: rgba(10, 25, 41, 0.5);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    color: var(--text-primary);
    font-family: inherit;
    transition: var(--transition-smooth);
}

.form-control:focus {
    outline: none;
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
}

.btn {
    display: inline-block;
    padding: 1rem 2rem;
    background: var(--gradient-accent);
    color: var(--primary-dark);
    text-decoration: none;
    border: none;
    border-radius: 10px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-smooth);
    font-family: inherit;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.btn-full {
    width: 100%;
}

/* Footer */
.footer {
    background: var(--secondary-dark);
    padding: 3rem 0 1rem;
    border-top: 1px solid var(--border-color);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-section h4 {
    font-family: 'Montserrat', sans-serif;
    color: var(--accent-blue);
    margin-bottom: 1rem;
}

.footer-section p,
.footer-section a {
    color: var(--text-secondary);
    text-decoration: none;
    line-height: 2;
}

.footer-section a:hover {
    color: var(--accent-blue);
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.social-link {
    display: inline-block;
    width: 40px;
    height: 40px;
    background: rgba(0, 212, 255, 0.1);
    border-radius: 50%;
    text-align: center;
    line-height: 40px;
    transition: var(--transition-smooth);
}

.social-link:hover {
    background: var(--accent-blue);
    color: var(--primary-dark);
    transform: translateY(-3px);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    color: var(--text-muted);
}

/* Responsive Design */
@media (max-width: 768px) {
    .sidebar-nav {
        right: 1rem;
        transform: translateY(-50%) scale(0.9);
    }
    
    .nav-link {
        padding: 0.5rem 1rem;
        font-size: 0.8rem;
    }
    
    .container {
        padding: 0 1rem;
    }
    
    .section {
        padding: 4rem 0;
    }
    
    .about-grid,
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .hero-stats {
        grid-template-columns: 1fr;
    }
    
    .philosophy-grid {
        grid-template-columns: 1fr;
    }
}