@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
    --primary-color: #0066cc;
    --primary-dark: #004499;
    --secondary-color: #00cc66;
    --accent-color: #ff6b35;
    --bg-primary: #0a0f1c;
    --bg-secondary: #1a202c;
    --bg-card: #2d3748;
    --bg-glass: rgba(45, 55, 72, 0.8);
    --text-primary: #ffffff;
    --text-secondary: #a0aec0;
    --text-muted: #718096;
    --border-color: #4a5568;
    --gradient-primary: linear-gradient(135deg, #0066cc, #00cc66);
    --gradient-secondary: linear-gradient(135deg, #667eea, #764ba2);
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.12);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.16);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.2);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.25);
    --border-radius: 12px;
    --transition: all 0.3s ease;

    /* Framework specific colors */
    --smart-s: #e53e3e;
    --smart-m: #d69e2e;
    --smart-a: #38a169;
    --smart-r: #3182ce;
    --smart-t: #805ad5;
    --smart-e: #d53f8c;
    
    /* CIA Triad colors */
    --cia-confidentiality: #2b6cb0;
    --cia-integrity: #2f855a;
    --cia-availability: #c53030;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 80%, rgba(0, 102, 204, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(0, 204, 102, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(255, 107, 53, 0.05) 0%, transparent 50%);
    pointer-events: none;
    z-index: -1;
}

/* Navigation */
.nav-header {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(10, 15, 28, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    transition: var(--transition);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 1.5rem;
    font-weight: 700;
}

.logo-image {
    height: 40px;
    width: auto;
    border-radius: 8px;
    object-fit: contain;
}

.logo-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    color: var(--primary-color);
    font-weight: 700;
}

.nav-menu {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    position: relative;
    transition: var(--transition);
    padding: 0.5rem 0;
}

.nav-link:hover,
.nav-link.active {
    color: var(--text-primary);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: var(--transition);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    transition: var(--transition);
    border-radius: 2px;
}

.nav-donate {
    background: linear-gradient(135deg, #ff6b35, #f9ca24);
    color: #ffffff !important;
    padding: 0.8rem 1.8rem;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    transition: var(--transition);
    box-shadow: 0 2px 10px rgba(255, 107, 53, 0.3);
    border: none;
    margin-left: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-donate:hover {
    background: linear-gradient(135deg, #e55a2b, #f39c12);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(255, 107, 53, 0.4);
    color: #ffffff !important;
}

/* Main Content */
.main-content {
    padding-top: 80px;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section-title {
    font-size: 3rem;
    text-align: center;
    margin-bottom: 2rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    color: var(--primary-color);
    font-weight: 700;
}

/* Sections */
section {
    min-height: 100vh;
    display: none;
    padding: 4rem 0;
}

section.active {
    display: block;
}

/* Hero Section */
.hero-container {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem 2rem 4rem;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    margin-bottom: 4rem;
}

.hero-subtitle {
    color: var(--secondary-color);
    font-size: 1.1rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 1rem;
    display: block;
}

.hero-title {
    font-size: 4rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    color: var(--primary-color);
}

.hero-description {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.6;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    margin-bottom: 2rem;
}

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

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--secondary-color);
    font-family: 'JetBrains Mono', monospace;
    display: block;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: 0.3rem;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
}

.btn {
    padding: 1rem 2rem;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    font-size: 1rem;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow-md);
}

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

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

.btn-secondary:hover {
    border-color: var(--primary-color);
    background: rgba(0, 102, 204, 0.1);
}

/* Tech Grid */
.tech-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

.tech-card {
    background: var(--bg-glass);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    text-align: center;
    transition: var(--transition);
}

.tech-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
    box-shadow: var(--shadow-lg);
}

.tech-card i {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.tech-card span {
    font-weight: 600;
    font-size: 0.9rem;
    display: block;
}

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

.about-intro {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--secondary-color);
    margin-bottom: 1.5rem;
}

.about-text p {
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}

.philosophy {
    background: var(--bg-card);
    padding: 2rem;
    border-radius: var(--border-radius);
    border-left: 4px solid var(--secondary-color);
    margin-top: 2rem;
}

.philosophy h3 {
    color: var(--secondary-color);
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.philosophy p {
    font-style: italic;
    font-size: 1.1rem;
}

.achievement-cards {
    display: grid;
    gap: 1.5rem;
}

.achievement-card {
    background: var(--bg-glass);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    transition: var(--transition);
}

.achievement-card:hover {
    transform: translateX(10px);
    border-color: var(--primary-color);
}

.achievement-card h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

/* Framework Section */
.framework-section {
    background: rgba(10, 15, 28, 0.5);
}

.framework-intro {
    text-align: center;
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 4rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.framework-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.framework-card {
    background: var(--bg-card);
    border-radius: var(--border-radius);
    padding: 2rem;
    border: 1px solid var(--border-color);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.framework-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    transition: var(--transition);
}

.framework-card.smart-s::before { background: var(--smart-s); }
.framework-card.smart-m::before { background: var(--smart-m); }
.framework-card.smart-a::before { background: var(--smart-a); }
.framework-card.smart-r::before { background: var(--smart-r); }
.framework-card.smart-t::before { background: var(--smart-t); }
.framework-card.smart-e::before { background: var(--smart-e); }

.framework-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.framework-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.framework-letter {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
    transition: var(--transition);
}

.smart-s .framework-letter { background: var(--smart-s); }
.smart-m .framework-letter { background: var(--smart-m); }
.smart-a .framework-letter { background: var(--smart-a); }
.smart-r .framework-letter { background: var(--smart-r); }
.smart-t .framework-letter { background: var(--smart-t); }
.smart-e .framework-letter { background: var(--smart-e); }

.framework-card:hover .framework-letter {
    transform: scale(1.1);
}

.framework-header h3 {
    color: var(--text-primary);
    font-size: 1.3rem;
}

.framework-content {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.framework-item {
    padding: 0.8rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    border-left: 3px solid transparent;
    transition: var(--transition);
}

.smart-s .framework-item:hover { border-left-color: var(--smart-s); }
.smart-m .framework-item:hover { border-left-color: var(--smart-m); }
.smart-a .framework-item:hover { border-left-color: var(--smart-a); }
.smart-r .framework-item:hover { border-left-color: var(--smart-r); }
.smart-t .framework-item:hover { border-left-color: var(--smart-t); }
.smart-e .framework-item:hover { border-left-color: var(--smart-e); }

/* CIA Triad */
.cia-triad {
    margin-top: 4rem;
    padding: 3rem;
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
}

.cia-title {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 2rem;
    color: var(--primary-color);
}

.cia-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.cia-card {
    background: var(--bg-card);
    padding: 2rem;
    border-radius: var(--border-radius);
    text-align: center;
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.cia-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.cia-card.confidentiality {
    border-top: 4px solid var(--cia-confidentiality);
}

.cia-card.integrity {
    border-top: 4px solid var(--cia-integrity);
}

.cia-card.availability {
    border-top: 4px solid var(--cia-availability);
}

.cia-card i {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.cia-card.confidentiality i { color: var(--cia-confidentiality); }
.cia-card.integrity i { color: var(--cia-integrity); }
.cia-card.availability i { color: var(--cia-availability); }

.cia-card h4 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

/* Experience Timeline */
.experience-subtitle {
    text-align: center;
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 4rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.timeline {
    position: relative;
    max-width: 1200px;
    margin: 0 auto;
}

.timeline::after {
    content: '';
    position: absolute;
    width: 3px;
    background: var(--gradient-primary);
    top: 0;
    bottom: 0;
    left: 50%;
    margin-left: -1.5px;
    border-radius: 2px;
}

.timeline-item {
    padding: 3rem 0;
    position: relative;
    width: 50%;
}

.timeline-item:nth-child(odd) {
    left: 0;
    padding-right: 3rem;
}

.timeline-item:nth-child(even) {
    left: 50%;
    padding-left: 3rem;
}

.timeline-item::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    right: -10px;
    background: var(--primary-color);
    border: 4px solid var(--bg-primary);
    top: 50%;
    border-radius: 50%;
    z-index: 1;
    transform: translateY(-50%);
}

.timeline-item:nth-child(even)::after {
    left: -10px;
    right: auto;
}

.timeline-date {
    color: var(--secondary-color);
    font-weight: 600;
    font-family: 'JetBrains Mono', monospace;
    margin-bottom: 0.5rem;
    font-size: 1rem;
}

.timeline-content {
    background: var(--bg-card);
    padding: 3rem;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    transition: var(--transition);
    min-height: 500px;
}

.timeline-content:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-md);
}

.timeline-content h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    font-size: 1.4rem;
}

.timeline-content h4 {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    font-weight: 500;
    font-size: 1.1rem;
}

/* Experience Achievements */
.experience-achievements {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.achievement-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1rem;
    border-radius: 8px;
    transition: var(--transition);
    border-bottom: 1px solid rgba(74, 85, 104, 0.3);
}

.achievement-item:last-child {
    border-bottom: none;
}

.achievement-item:hover {
    background: rgba(0, 102, 204, 0.05);
    transform: translateX(5px);
}

.bullet-point {
    color: var(--secondary-color);
    font-size: 1.2rem;
    font-weight: bold;
    margin-top: 0.2rem;
    min-width: 15px;
    flex-shrink: 0;
}

.achievement-item span:last-child {
    line-height: 1.6;
    font-size: 1rem;
}

/* Principles Section */
.principles-section {
    background: rgba(45, 55, 72, 0.1);
}

.principles-intro {
    text-align: center;
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 4rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.principles-combined {
    display: grid;
    gap: 4rem;
}

.principles-section-title {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 2rem;
    text-align: center;
    justify-content: center;
}

.principles-section-title i {
    font-size: 1.5rem;
}

/* Biblical Principles */
.biblical-principles {
    background: var(--bg-secondary);
    padding: 3rem;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
}

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

.principle-card {
    background: var(--bg-card);
    padding: 2rem;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    transition: var(--transition);
    text-align: center;
}

.principle-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
    box-shadow: var(--shadow-md);
}

.principle-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    transition: var(--transition);
}

.principle-card:hover .principle-icon {
    transform: scale(1.1);
}

.principle-icon i {
    font-size: 1.5rem;
    color: white;
}

.principle-card h4 {
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.principle-card p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    font-style: italic;
}

.principle-card small {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* DATAROSS Values */
.dataross-values {
    background: var(--bg-card);
    padding: 3rem;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.value-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    border: 1px solid transparent;
    transition: var(--transition);
}

.value-item:hover {
    border-color: var(--secondary-color);
    background: rgba(0, 204, 102, 0.1);
}

.value-item i {
    font-size: 1.5rem;
    color: var(--secondary-color);
    margin-top: 0.2rem;
    min-width: 24px;
}

.value-content h5 {
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    font-size: 1rem;
}

.value-content p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Contact Section */
.contact-intro {
    text-align: center;
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 4rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    max-width: 1200px;
    margin: 0 auto;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 2rem;
    background: var(--bg-card);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    transition: var(--transition);
    cursor: pointer;
}

.contact-item:hover {
    border-color: var(--primary-color);
    transform: translateX(10px);
    box-shadow: var(--shadow-md);
}

.contact-item.location:hover { border-color: var(--smart-s); }
.contact-item.linkedin:hover { border-color: #0077b5; }
.contact-item.github:hover { border-color: #333; }
.contact-item.paypal:hover { border-color: #00457c; }

.contact-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.contact-item.location .contact-icon { background: rgba(229, 62, 62, 0.2); }
.contact-item.linkedin .contact-icon { background: rgba(0, 119, 181, 0.2); }
.contact-item.github .contact-icon { background: rgba(51, 51, 51, 0.2); }
.contact-item.paypal .contact-icon { background: rgba(0, 69, 124, 0.2); }

.contact-icon i {
    font-size: 1.5rem;
}

.contact-item.location .contact-icon i { color: var(--smart-s); }
.contact-item.linkedin .contact-icon i { color: #0077b5; }
.contact-item.github .contact-icon i { color: var(--text-primary); }
.contact-item.paypal .contact-icon i { color: #00457c; }

.contact-details h3 {
    color: var(--text-primary);
    margin-bottom: 0.3rem;
    font-size: 1.1rem;
}

.contact-details p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 0.2rem;
}

.contact-details small {
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* Social Links Container */
.social-links-container {
    background: var(--bg-secondary);
    padding: 2rem;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    text-align: center;
}

.social-links-container h3 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.social-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.8rem 1.5rem;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.social-link.github-link {
    background: rgba(51, 51, 51, 0.1);
    color: var(--text-primary);
    border-color: #333;
}

.social-link.github-link:hover {
    background: #333;
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.social-link.linkedin-link {
    background: rgba(0, 119, 181, 0.1);
    color: #0077b5;
    border-color: #0077b5;
}

.social-link.linkedin-link:hover {
    background: #0077b5;
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.social-link.paypal-link {
    background: rgba(0, 69, 124, 0.1);
    color: #00457c;
    border-color: #00457c;
}

.social-link.paypal-link:hover {
    background: #00457c;
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

/* Contact Form */
.contact-form {
    background: var(--bg-card);
    padding: 3rem;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
}

.form-header {
    text-align: center;
    margin-bottom: 2rem;
}

.form-header h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    justify-content: center;
}

.form-header p {
    color: var(--text-secondary);
    font-size: 1rem;
}

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem 1rem 1rem 3rem;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    color: var(--text-primary);
    font-family: inherit;
    transition: var(--transition);
    font-size: 1rem;
}

.form-group i {
    position: absolute;
    left: 1rem;
    top: 1rem;
    color: var(--text-muted);
    transition: var(--transition);
}

.form-group textarea + i {
    top: 1rem;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
}

.form-group input:focus + i,
.form-group textarea:focus + i {
    color: var(--primary-color);
}

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

.character-count {
    text-align: right;
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: -1rem;
    margin-bottom: 1rem;
}

.btn-contact {
    width: 100%;
    padding: 1.2rem 2rem;
    font-size: 1.1rem;
    background: var(--gradient-primary);
    border: none;
    border-radius: var(--border-radius);
    color: white;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

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

/* Footer */
.footer {
    background: var(--bg-secondary);
    padding: 2rem 0;
    text-align: center;
    border-top: 1px solid var(--border-color);
    margin-top: 4rem;
}

.footer p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Loading and Toast */
.loading-indicator {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--bg-card);
    padding: 2rem;
    border-radius: var(--border-radius);
    text-align: center;
    z-index: 2000;
    border: 1px solid var(--border-color);
}

.spinner {
    width: 40px;
    height: 40px;
    margin: 0 auto 1rem;
    border: 3px solid var(--border-color);
    border-top: 3px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.toast {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: var(--bg-card);
    color: var(--text-primary);
    padding: 1rem 1.5rem;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-lg);
    z-index: 2000;
    display: flex;
    align-items: center;
    gap: 1rem;
    animation: slideIn 0.3s ease-out;
    max-width: 400px;
}

.toast.success {
    border-left: 4px solid var(--secondary-color);
}

.toast.error {
    border-left: 4px solid #ff6b6b;
}

.toast.info {
    border-left: 4px solid var(--primary-color);
}

.toast-close {
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.2rem;
    cursor: pointer;
    padding: 0;
    margin-left: 1rem;
    transition: var(--transition);
}

.toast-close:hover {
    color: var(--primary-color);
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

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

/* Character counter styling */
.character-count.approaching-limit {
    color: #ffa500;
}

.character-count.near-limit {
    color: #ff6b6b;
}

/* Form validation styling */
input.error,
textarea.error {
    border-color: #ff6b6b !important;
    box-shadow: 0 0 0 3px rgba(255, 107, 107, 0.1) !important;
}

.error-message {
    color: #ff6b6b;
    font-size: 0.8rem;
    margin-top: 0.5rem;
}

/* Mobile Navigation States */
.nav-menu.active {
    display: flex !important;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(10, 15, 28, 0.98);
    flex-direction: column;
    padding: 2rem;
    border-top: 1px solid var(--border-color);
    backdrop-filter: blur(20px);
    gap: 1rem;
    z-index: 999;
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.active span:nth-child(2) {
    opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* Responsive Design */
@media (max-width: 1200px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: 3rem;
        text-align: center;
    }
    
    .hero-title {
        font-size: 3rem;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .framework-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .container {
        padding: 0 1rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }
    
    .section-title {
        font-size: 2.5rem;
    }
    
    .tech-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .timeline::after {
        left: 31px;
    }
    
    .timeline-item {
        width: 100%;
        padding-left: 70px;
        padding-right: 25px;
    }
    
    .timeline-item:nth-child(even) {
        left: 0%;
    }
    
    .timeline-item::after {
        left: 21px;
        right: auto;
    }
    
    .principles-grid {
        grid-template-columns: 1fr;
    }
    
    .values-grid {
        grid-template-columns: 1fr;
    }
    
    .cia-grid {
        grid-template-columns: 1fr;
    }
    
    .social-links {
        flex-direction: column;
        align-items: center;
    }
    
    .social-link {
        width: 100%;
        justify-content: center;
        max-width: 200px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .tech-grid {
        grid-template-columns: 1fr;
    }
    
    .nav-container {
        padding: 1rem;
    }
    
    .hero-stats {
        grid-template-columns: 1fr;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .timeline-content {
        padding: 2rem;
        min-height: auto;
    }
    
    .framework-card,
    .principle-card,
    .contact-form,
    .contact-item {
        padding: 1.5rem;
    }
}

/* Smooth scrolling improvements */
@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }
    
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus indicators for accessibility */
button:focus,
input:focus,
textarea:focus,
.nav-link:focus,
.social-link:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --text-primary: #ffffff;
        --text-secondary: #ffffff;
        --border-color: #ffffff;
        --bg-card: #000000;
    }
}