/* Modern CV Styles */
:root {
    /* Light Theme Colors */
    --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%);

    --primary-color: #667eea;
    --secondary-color: #764ba2;
    --accent-color: #4facfe;

    --background-color: #fafbfc;
    --surface-color: #ffffff;
    --card-bg: rgba(255, 255, 255, 0.9);
    --glass-bg: rgba(255, 255, 255, 0.25);

    --text-primary: #2d3748;
    --text-secondary: #4a5568;
    --text-muted: #718096;

    --border-color: rgba(226, 232, 240, 0.8);
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);
    --shadow-xl: 0 25px 50px rgba(0, 0, 0, 0.25);

    --border-radius: 16px;
    --border-radius-sm: 8px;
    --border-radius-lg: 24px;

    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);

    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-display: 'Playfair Display', Georgia, serif;

    --nav-height: 80px;
}

/* Dark Theme */
[data-theme="dark"] {
    --background-color: #0f172a;
    --surface-color: #1e293b;
    --card-bg: rgba(30, 41, 59, 0.9);
    --glass-bg: rgba(30, 41, 59, 0.25);

    --text-primary: #f1f5f9;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;

    --border-color: rgba(51, 65, 85, 0.8);
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.3);
    --shadow-xl: 0 25px 50px rgba(0, 0, 0, 0.5);
}

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

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

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

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Floating Navigation */
.floating-nav {
    position: fixed;
    top: 2rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1000;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: 1rem 2rem;
    display: flex;
    align-items: center;
    gap: 2rem;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
}

.floating-nav:hover {
    transform: translateX(-50%) translateY(-2px);
    box-shadow: var(--shadow-xl);
}

.theme-toggle {
    background: var(--primary-gradient);
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.theme-toggle:hover {
    transform: scale(1.1);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 1.5rem;
    margin: 0;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.9rem;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius-sm);
    transition: var(--transition);
    position: relative;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--primary-color);
    background: var(--glass-bg);
}

/* Main Container */
.main-container {
    padding-top: var(--nav-height);
}

/* Hero Section */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(60px);
    opacity: 0.6;
    animation: float 6s ease-in-out infinite;
}

.orb-1 {
    width: 300px;
    height: 300px;
    background: var(--primary-gradient);
    top: 10%;
    right: 10%;
    animation-delay: 0s;
}

.orb-2 {
    width: 200px;
    height: 200px;
    background: var(--secondary-gradient);
    bottom: 20%;
    left: 10%;
    animation-delay: 2s;
}

.orb-3 {
    width: 250px;
    height: 250px;
    background: var(--accent-gradient);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: 4s;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    33% { transform: translateY(-30px) rotate(120deg); }
    66% { transform: translateY(15px) rotate(240deg); }
}

.hero-content {
    text-align: center;
    max-width: 800px;
    padding: 2rem;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-xl);
}

.profile-image-container {
    margin-bottom: 2rem;
}

.profile-image {
    width: 150px;
    height: 150px;
    margin: 0 auto;
    border-radius: 50%;
    background: var(--primary-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
}

.profile-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
    border-radius: 50%;
}

.profile-image::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: var(--primary-gradient);
    border-radius: 50%;
    z-index: -1;
    animation: rotate 4s linear infinite;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.image-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--surface-color);
    border-radius: 50%;
    font-size: 3rem;
    color: var(--primary-color);
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    margin-bottom: 1rem;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
    font-weight: 400;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

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

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.stat-label {
    color: var(--text-muted);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

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

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

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

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

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

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

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    color: var(--text-muted);
}

.scroll-arrow {
    width: 2px;
    height: 30px;
    background: var(--text-muted);
    margin: 0 auto;
    position: relative;
    animation: scroll-bounce 2s infinite;
}

.scroll-arrow::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: -3px;
    width: 8px;
    height: 8px;
    border-right: 2px solid var(--text-muted);
    border-bottom: 2px solid var(--text-muted);
    transform: rotate(45deg);
}

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

/* Section Styles */
section {
    padding: 6rem 0;
    position: relative;
}

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

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 600;
    margin-bottom: 1rem;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-divider {
    width: 80px;
    height: 4px;
    background: var(--primary-gradient);
    margin: 0 auto;
    border-radius: 2px;
}

/* About Section */
.about-section {
    background: var(--surface-color);
}

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

.about-description {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 1.5rem;
    color: var(--text-secondary);
}

.about-info {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.info-card {
    background: var(--card-bg);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: var(--transition);
    backdrop-filter: blur(10px);
}

.info-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.info-icon {
    width: 50px;
    height: 50px;
    background: var(--primary-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
}

.info-content h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.info-content p {
    color: var(--text-secondary);
    margin-bottom: 0.25rem;
}

.info-content span {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Timeline Styles */
.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--border-color);
    transform: translateX(-50%);
}

.timeline-item {
    position: relative;
    margin-bottom: 3rem;
    width: 50%;
}

.timeline-item:nth-child(odd) {
    left: 0;
    padding-right: 2rem;
}

.timeline-item:nth-child(even) {
    left: 50%;
    padding-left: 2rem;
}

.timeline-marker {
    position: absolute;
    width: 16px;
    height: 16px;
    background: var(--primary-color);
    border: 4px solid var(--surface-color);
    border-radius: 50%;
    top: 0;
    box-shadow: var(--shadow-sm);
}

.timeline-item:nth-child(odd) .timeline-marker {
    right: -8px;
}

.timeline-item:nth-child(even) .timeline-marker {
    left: -8px;
}

.timeline-marker.current {
    background: var(--accent-color);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(79, 172, 254, 0.7); }
    70% { box-shadow: 0 0 0 10px rgba(79, 172, 254, 0); }
    100% { box-shadow: 0 0 0 0 rgba(79, 172, 254, 0); }
}

.timeline-card {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    backdrop-filter: blur(10px);
}

.timeline-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.timeline-card.current {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 1px var(--accent-color), var(--shadow-md);
}

.timeline-card h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.timeline-duration {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.timeline-company {
    color: var(--text-secondary);
    font-weight: 500;
    margin-bottom: 1rem;
}

.timeline-description ul {
    list-style: none;
    padding: 0;
}

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

.timeline-description li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

/* Skills Section */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 3rem;
    margin-bottom: 4rem;
}

.skill-category {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    backdrop-filter: blur(10px);
    transition: var(--transition);
}

.skill-category:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.category-title {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 2rem;
    color: var(--primary-color);
}

.category-title i {
    width: 24px;
    text-align: center;
}

.skills-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.skill-item {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.skill-name {
    font-weight: 500;
    color: var(--text-primary);
}

.skill-bar {
    height: 8px;
    background: var(--border-color);
    border-radius: 4px;
    overflow: hidden;
    position: relative;
}

.skill-progress {
    height: 100%;
    background: var(--primary-gradient);
    border-radius: 4px;
    width: 0%;
    transition: width 1s ease-out;
    position: relative;
}

.skill-progress::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg,
        transparent 0%,
        rgba(255, 255, 255, 0.3) 50%,
        transparent 100%);
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

/* Certifications */
.certifications {
    background: var(--surface-color);
    padding: 3rem;
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--border-color);
}

.certifications-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 2rem;
    text-align: center;
    color: var(--primary-color);
}

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

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

.cert-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.cert-icon {
    width: 50px;
    height: 50px;
    background: var(--primary-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.3rem;
    flex-shrink: 0;
}

.cert-info h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
    color: var(--text-primary);
}

.cert-status {
    color: var(--text-muted);
    font-size: 0.85rem;
    padding: 0.25rem 0.75rem;
    background: var(--border-color);
    border-radius: var(--border-radius-sm);
}

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

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

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

.contact-item {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 1.5rem;
    background: var(--card-bg);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    transition: var(--transition);
    backdrop-filter: blur(10px);
}

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

.contact-icon {
    width: 60px;
    height: 60px;
    background: var(--primary-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.contact-details h3 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
    color: var(--text-primary);
}

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

.social-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 1rem 1.5rem;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 500;
    transition: var(--transition);
    backdrop-filter: blur(10px);
}

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

.social-link.linkedin:hover {
    background: #0077b5;
    color: white;
    border-color: #0077b5;
}

.social-link.github:hover {
    background: #333;
    color: white;
    border-color: #333;
}

.social-link.medium:hover {
    background: #00ab6c;
    color: white;
    border-color: #00ab6c;
}

.social-link.whatsapp:hover {
    background: #25d366;
    color: white;
    border-color: #25d366;
}

.social-link.email:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

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

/* Responsive Design */
@media (max-width: 1024px) {
    .floating-nav {
        top: 1rem;
        padding: 0.75rem 1.5rem;
    }

    .nav-links {
        gap: 1rem;
    }

    .nav-links a {
        font-size: 0.85rem;
        padding: 0.4rem 0.8rem;
    }

    .about-content,
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .timeline::before {
        left: 20px;
    }

    .timeline-item {
        width: 100%;
        left: 0 !important;
        padding-left: 3rem !important;
        padding-right: 0 !important;
    }

    .timeline-marker {
        left: 12px !important;
        right: auto !important;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 1rem;
    }

    .floating-nav {
        position: relative;
        top: 0;
        left: 0;
        transform: none;
        flex-direction: column;
        gap: 1rem;
        margin: 1rem;
        padding: 1rem;
    }

    .nav-links {
        flex-wrap: wrap;
        justify-content: center;
    }

    .main-container {
        padding-top: 0;
    }

    .hero-content {
        margin: 1rem;
        padding: 1.5rem;
    }

    .hero-stats {
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
        gap: 1rem;
    }

    .hero-actions {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        width: 100%;
        max-width: 250px;
        justify-content: center;
    }

    section {
        padding: 3rem 0;
    }

    .skills-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .cert-grid {
        grid-template-columns: 1fr;
    }

    .social-links {
        grid-template-columns: 1fr;
    }

    .orb-1, .orb-2, .orb-3 {
        width: 150px;
        height: 150px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }

    .section-title {
        font-size: 1.8rem;
    }

    .timeline-item {
        padding-left: 2rem !important;
    }

    .timeline-card {
        padding: 1.5rem;
    }

    .skill-category {
        padding: 1.5rem;
    }
}

/* Animation Classes */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: var(--transition);
}

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

.slide-in-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: var(--transition);
}

.slide-in-left.visible {
    opacity: 1;
    transform: translateX(0);
}

.slide-in-right {
    opacity: 0;
    transform: translateX(50px);
    transition: var(--transition);
}

.slide-in-right.visible {
    opacity: 1;
    transform: translateX(0);
}

/* Print Styles */
@media print {
    .floating-nav,
    .scroll-indicator,
    .hero-actions {
        display: none !important;
    }

    .hero-section {
        min-height: auto;
        page-break-after: always;
    }

    section {
        padding: 2rem 0;
        page-break-inside: avoid;
    }

    .timeline-card {
        page-break-inside: avoid;
    }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    .gradient-orb {
        animation: none;
    }

    .scroll-arrow {
        animation: none;
    }

    .timeline-marker.current {
        animation: none;
    }
}

/* High contrast mode */
@media (prefers-contrast: high) {
    :root {
        --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.5);
        --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.5);
        --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.5);
        --border-color: #000;
    }

    .floating-nav,
    .hero-content,
    .timeline-card,
    .skill-category,
    .contact-item {
        border: 2px solid var(--text-primary);
    }
}