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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #ffffff;
}

html {
    scroll-behavior: smooth;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navigation */
.navbar {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    transition: all 0.3s ease;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

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

.nav-logo .logo-text {
    font-size: 24px;
    font-weight: 700;
    color: #2563eb;
    text-decoration: none;
}

.nav-menu {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-menu li {
    margin-left: 30px;
}

.nav-menu a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-menu a:hover {
    color: #2563eb;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 0;
    background-color: #2563eb;
    transition: width 0.3s ease;
}

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

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: #333;
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    overflow: hidden;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.3;
}

.hero-title .highlight {
    display: block;
    color: #ffd700;
}

.highlight {
    color: #ffd700;
}

.hero-subtitle {
    font-size: 1.5rem;
    font-weight: 500;
    margin-bottom: 20px;
    opacity: 0.9;
}

.hero-description {
    font-size: 1.1rem;
    margin-bottom: 40px;
    opacity: 0.8;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 20px;
}

.btn {
    padding: 15px 30px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    display: inline-block;
}

.btn-primary {
    background: #ffd700;
    color: #333;
}

.btn-primary:hover {
    background: transparent;
    border-color: #ffd700;
    color: #ffd700;
}

.btn-secondary {
    background: transparent;
    color: white;
    border-color: white;
}

.btn-secondary:hover {
    background: white;
    color: #333;
}

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

.hero-avatar {
    width: 250px;
    height: 250px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 80px;
    color: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    border: 3px solid rgba(255, 255, 255, 0.2);
}

/* Section Styles */
.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 60px;
    color: #1f2937;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 2px;
}

/* About Section */
.about {
    padding: 100px 0;
    background: #f8fafc;
}

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

.about-text p {
    font-size: 1.1rem;
    margin-bottom: 25px;
    color: #4b5563;
    line-height: 1.8;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    margin-top: 60px;
}

.stat {
    text-align: center;
    padding: 30px;
    background: white;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.stat:hover {
    transform: translateY(-5px);
}

.stat h3 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #2563eb;
    margin-bottom: 10px;
}

.stat p {
    color: #6b7280;
    font-weight: 500;
}

/* Skills Section */
.skills {
    padding: 100px 0;
    background: white;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
}

.skill-category {
    background: #f8fafc;
    padding: 40px 30px;
    border-radius: 15px;
    border-left: 5px solid #2563eb;
    transition: all 0.3s ease;
}

.skill-category:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
}

.skill-category h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 25px;
    color: #1f2937;
    display: flex;
    align-items: center;
    gap: 10px;
}

.skill-category i {
    color: #2563eb;
}

.skill-items {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.skill-tag {
    background: #2563eb;
    color: white;
    padding: 8px 16px;
    border-radius: 25px;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.skill-tag:hover {
    background: #1d4ed8;
    transform: scale(1.05);
}

/* Certifications Section */
.certifications {
    padding: 100px 0;
    background: white;
}

.certifications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.certification-card {
    background: white;
    border-radius: 20px;
    padding: 30px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    text-align: center;
}

.certification-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15);
}

.certification-badge {
    margin-bottom: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.badge-image {
    width: 100px;
    height: 100px;
    object-fit: contain;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.badge-placeholder {
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, #FF6B35 0%, #F7931E 100%);
    border-radius: 15px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: white;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.badge-placeholder:hover {
    transform: scale(1.05);
}

.badge-placeholder i {
    font-size: 30px;
    margin-bottom: 6px;
}

.badge-placeholder .badge-text {
    font-size: 10px;
    font-weight: 600;
    text-align: center;
    line-height: 1.2;
}

.certification-content h3 {
    font-size: 1.3rem;
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 5px;
}

.certification-content h4 {
    color: #2563eb;
    font-weight: 500;
    margin-bottom: 15px;
    font-size: 1rem;
}

.certification-content p {
    color: #4b5563;
    line-height: 1.7;
    margin-bottom: 25px;
}

.certification-link {
    margin-top: 15px;
}

.certification-link .btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
}

/* Experience Section */
.experience {
    padding: 100px 0;
    background: #f8fafc;
}

.timeline {
    max-width: 1000px;
    margin: 0 auto;
    position: relative;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: #e5e7eb;
}

.timeline-item {
    position: relative;
    margin-bottom: 60px;
    padding-left: 120px;
}

.timeline-dot {
    position: absolute;
    left: 41px;
    top: 20px;
    width: 20px;
    height: 20px;
    background: #2563eb;
    border-radius: 50%;
    border: 4px solid white;
    box-shadow: 0 0 0 3px #e5e7eb;
}

.timeline-content {
    background: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.timeline-content:hover {
    transform: translateY(-5px);
}

.timeline-content h3 {
    font-size: 1.4rem;
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 5px;
}

.timeline-content h4 {
    color: #2563eb;
    font-weight: 500;
    margin-bottom: 15px;
}

.timeline-content p {
    color: #4b5563;
    margin-bottom: 15px;
    line-height: 1.7;
}

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

.timeline-content li {
    position: relative;
    padding-left: 25px;
    margin-bottom: 8px;
    color: #6b7280;
}

.timeline-content li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: #2563eb;
    font-weight: bold;
}

/* Blurred content for confidential information */
.blurred-content {
    filter: blur(3px);
    opacity: 0.6;
    transition: all 0.3s ease;
    user-select: none;
    position: relative;
}

.blurred-content::after {
    content: 'Informações confidenciais';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(37, 99, 235, 0.9);
    color: white;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
    white-space: nowrap;
    opacity: 1;
    pointer-events: none;
    z-index: 10;
}

/* Projects Section */
.projects {
    padding: 100px 0;
    background: white;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
}

.project-card {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border: 1px solid #e5e7eb;
    display: flex;
    flex-direction: column;
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15);
}

.project-image {
    height: 200px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 60px;
    color: rgba(255, 255, 255, 0.9);
}

.project-content {
    padding: 30px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.project-content h3 {
    font-size: 1.4rem;
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 15px;
}

.project-content p {
    color: #6b7280;
    line-height: 1.7;
    margin-bottom: 20px;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 20px;
}

.project-tech span {
    background: #f1f5f9;
    color: #475569;
    padding: 6px 12px;
    border-radius: 15px;
    font-size: 0.85rem;
    font-weight: 500;
}

.project-links {
    display: flex;
    gap: 15px;
    margin-top: auto;
}

.project-link {
    color: #2563eb;
    text-decoration: none;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 5px;
    transition: color 0.3s ease;
}

.project-link:hover {
    color: #1d4ed8;
}

/* Contact Section */
.contact {
    padding: 100px 0;
    background: #f8fafc;
    text-align: center;
}

.contact-description {
    font-size: 1.1rem;
    color: #6b7280;
    margin-bottom: 50px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    max-width: 800px;
    margin: 0 auto;
}

.contact-item {
    background: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.contact-item:hover {
    transform: translateY(-5px);
}

.contact-item i {
    font-size: 2rem;
    color: #2563eb;
    margin-bottom: 15px;
}

.contact-item a {
    color: #4b5563;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.contact-item a:hover {
    color: #2563eb;
}

/* Footer */
.footer {
    background: #1f2937;
    color: white;
    text-align: center;
    padding: 30px 0;
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .hamburger {
        display: flex;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 40px;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-buttons {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .about-stats {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .timeline::before {
        left: 20px;
    }
    
    .timeline-item {
        padding-left: 60px;
    }
    
    .timeline-dot {
        left: 11px;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .container {
        padding: 0 15px;
    }
}