:root {
    /* Color Palette - Refined & Professional */
    --color-primary: #1a1a2e;
    --color-secondary: #16213e;
    --color-accent: #0f4c75;
    --color-highlight: #3282b8;
    --color-light: #f8f9fa;
    --color-mid: #e9ecef;
    --color-text: #2d3748;
    --color-text-light: #718096;
    --color-border: #e2e8f0;
    
    /* Typography */
    --font-display: 'Crimson Pro', serif;
    --font-body: 'DM Sans', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Effects */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.15);
    --border-radius: 8px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-medium: 0.4s ease;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    line-height: 1.7;
    color: var(--color-text);
    background: var(--color-light);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

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

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1.2rem var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    font-family: var(--font-display);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--color-primary);
    text-decoration: none;
    transition: var(--transition-fast);
}

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

.nav-links {
    display: flex;
    gap: var(--spacing-md);
}

.nav-links a {
    color: var(--color-text);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition-fast);
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-accent);
    transition: var(--transition-fast);
}

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

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

/* Hero Section */
.hero {
    position: relative;
    padding: 12rem var(--spacing-md) var(--spacing-xl);
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    color: white;
    overflow: hidden;
}

.hero-decoration {
    position: absolute;
    top: -10%;
    right: -5%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(50, 130, 184, 0.2) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 20s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    33% { transform: translate(30px, -30px) rotate(120deg); }
    66% { transform: translate(-30px, 30px) rotate(240deg); }
}

.hero-layout {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr auto;
    gap: var(--spacing-lg);
    align-items: center;
}

.hero-content {
    max-width: 700px;
    animation: fadeInUp 1s ease;
}

.hero-image {
    position: relative;
    animation: fadeInUp 1s ease 0.3s backwards;
}

.hero-image img {
    width: 280px;
    height: 280px;
    object-fit: cover;
    object-position: center top;
    border-radius: 50%;
    border: 6px solid rgba(255, 255, 255, 0.15);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
    transition: var(--transition-medium);
}

.hero-image img:hover {
    transform: scale(1.05);
    border-color: rgba(50, 130, 184, 0.4);
}

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

.hero-label {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--color-highlight);
    margin-bottom: 1rem;
    font-weight: 500;
}

.hero-title {
    font-family: var(--font-display);
    font-size: 4.5rem;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 1rem;
    letter-spacing: -1px;
}

.hero-subtitle {
    font-size: 1.4rem;
    color: #cbd5e0;
    margin-bottom: 1.5rem;
    font-weight: 500;
}

.hero-description {
    font-size: 1.15rem;
    line-height: 1.8;
    color: #e2e8f0;
    margin-bottom: 2.5rem;
    max-width: 700px;
}

.hero-description strong {
    color: var(--color-highlight);
    font-weight: 600;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 1rem 2rem;
    border-radius: var(--border-radius);
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition-fast);
    font-size: 1rem;
    border: 2px solid transparent;
}

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

.btn-primary:hover {
    background: #2868a0;
    border-color: #2868a0;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background: transparent;
    color: white;
    border-color: rgba(255, 255, 255, 0.3);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.5);
}

/* Sections */
.section {
    padding: var(--spacing-xl) 0;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--spacing-lg);
}

.section-title {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.5px;
}

.section-intro {
    font-size: 1.2rem;
    color: var(--color-text-light);
    line-height: 1.8;
}

/* Capabilities Grid */
.capabilities-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: var(--spacing-md);
}

.capability-card {
    background: white;
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    border: 1px solid var(--color-border);
    transition: var(--transition-medium);
    position: relative;
    overflow: hidden;
}

.capability-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 0;
    background: var(--color-accent);
    transition: var(--transition-medium);
}

.capability-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-accent);
}

.capability-card:hover::before {
    height: 100%;
}

.capability-number {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-mid);
    margin-bottom: var(--spacing-sm);
    line-height: 1;
    transition: var(--transition-medium);
}

.capability-card:hover .capability-number {
    color: var(--color-accent);
}

.capability-card h3 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 0.5rem;
}

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

/* Impact Section */
.impact-section {
    background: var(--color-secondary);
    color: white;
}

.impact-section .section-title,
.impact-section .section-intro {
    color: white;
}

.impact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

.impact-item {
    background: rgba(255, 255, 255, 0.05);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition-medium);
}

.impact-item:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-4px);
}

.impact-metric {
    font-family: var(--font-display);
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--color-highlight);
    margin-bottom: 0.5rem;
    line-height: 1;
}

.impact-highlight {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--color-highlight);
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.impact-item p {
    color: #e2e8f0;
    line-height: 1.7;
}

/* Approach Section */
.approach-section {
    background: white;
}

.approach-content {
    max-width: 900px;
    margin: 0 auto;
}

.philosophy {
    background: var(--color-light);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    border-left: 4px solid var(--color-accent);
    margin-bottom: var(--spacing-lg);
}

.philosophy p {
    font-size: 1.15rem;
    line-height: 1.9;
    color: var(--color-text);
}

.pillars {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.pillar {
    position: relative;
    padding: var(--spacing-md);
    transition: var(--transition-medium);
}

.pillar-number {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-mid);
    margin-bottom: var(--spacing-sm);
    transition: var(--transition-medium);
}

.pillar:hover .pillar-number {
    color: var(--color-accent);
}

.pillar h3 {
    font-size: 1.4rem;
    color: var(--color-primary);
    margin-bottom: 0.5rem;
    font-weight: 700;
}

.pillar p {
    color: var(--color-text-light);
    line-height: 1.7;
}

/* Expertise Section */
.expertise-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.expertise-category {
    background: white;
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    border: 1px solid var(--color-border);
}

.expertise-category h3 {
    font-size: 1.2rem;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
    font-weight: 700;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--color-accent);
}

.expertise-category ul {
    list-style: none;
}

.expertise-category li {
    color: var(--color-text-light);
    padding: 0.4rem 0;
    position: relative;
    padding-left: 1.2rem;
}

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

/* Experience Section */
.experience-section {
    background: var(--color-light);
}

.timeline {
    max-width: 800px;
    margin: 0 auto var(--spacing-lg);
    position: relative;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 150px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--color-border);
}

.timeline-item {
    display: grid;
    grid-template-columns: 150px 1fr;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    position: relative;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: 145px;
    top: 0.5rem;
    width: 12px;
    height: 12px;
    background: var(--color-accent);
    border-radius: 50%;
    border: 3px solid white;
    box-shadow: 0 0 0 3px var(--color-accent);
}

.timeline-period {
    font-weight: 600;
    color: var(--color-accent);
    font-size: 0.9rem;
    text-align: right;
    padding-top: 0.3rem;
    padding-right: 1rem;
}

.timeline-content {
    background: white;
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
}

.timeline-content h3 {
    font-size: 1.3rem;
    color: var(--color-primary);
    margin-bottom: 0.3rem;
}

.timeline-company {
    color: var(--color-text-light);
    font-weight: 600;
    font-size: 0.95rem;
    margin-bottom: 0.5rem;
}

.timeline-content p {
    color: var(--color-text-light);
    line-height: 1.7;
}

.resume-download {
    text-align: center;
    margin-top: var(--spacing-lg);
}

/* Testimonial Section */
.testimonial-section {
    background: var(--color-primary);
    color: white;
}

.testimonial {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.testimonial-quote {
    font-family: var(--font-display);
    font-size: 1.6rem;
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
    font-style: italic;
    position: relative;
}

.testimonial-quote::before {
    content: '"';
    font-size: 5rem;
    position: absolute;
    top: -2rem;
    left: -1rem;
    color: var(--color-accent);
    opacity: 0.3;
}

.testimonial-author {
    color: #cbd5e0;
    font-size: 1rem;
}

.testimonial-author strong {
    color: white;
}

/* Contact Section */
.contact-section {
    background: white;
}

.contact-content {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.contact-intro {
    font-size: 1.2rem;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-lg);
}

.contact-methods {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.contact-card {
    background: var(--color-light);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    text-decoration: none;
    transition: var(--transition-medium);
    border: 2px solid transparent;
    display: block;
}

.contact-card:hover {
    background: white;
    border-color: var(--color-accent);
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.contact-icon {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.contact-label {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-text-light);
    margin-bottom: 0.3rem;
    font-weight: 600;
}

.contact-value {
    color: var(--color-primary);
    font-weight: 600;
    font-size: 1rem;
}

/* Footer */
.footer {
    background: var(--color-primary);
    color: white;
    padding: var(--spacing-md) 0;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.footer-content p {
    color: #cbd5e0;
    font-size: 0.9rem;
}

.footer-links {
    display: flex;
    gap: var(--spacing-md);
}

.footer-links a {
    color: white;
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--transition-fast);
}

.footer-links a:hover {
    color: var(--color-highlight);
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .hero {
        padding: 8rem var(--spacing-sm) var(--spacing-lg);
    }
    
    .hero-layout {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .hero-image {
        order: -1;
        text-align: center;
    }
    
    .hero-image img {
        width: 200px;
        height: 200px;
    }
    
    .hero-title {
        font-size: 2.8rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .section-title {
        font-size: 2.2rem;
    }
    
    .section-intro {
        font-size: 1rem;
    }
    
    .capabilities-grid,
    .impact-grid,
    .expertise-grid,
    .contact-methods {
        grid-template-columns: 1fr;
    }
    
    .pillars {
        grid-template-columns: 1fr;
    }
    
    .timeline::before {
        left: 0;
    }
    
    .timeline-item {
        grid-template-columns: 1fr;
    }
    
    .timeline-item::before {
        left: -5px;
    }
    
    .timeline-period {
        text-align: left;
        padding-bottom: 0.5rem;
        padding-right: 0;
    }
    
    .testimonial-quote {
        font-size: 1.3rem;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
}

/* Smooth Scroll Animations */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}