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

:root {
    --primary-color: #2563eb;
    --secondary-color: #1e40af;
    --text-color: #1f2937;
    --text-light: #6b7280;
    --bg-color: #ffffff;
    --bg-alt: #f9fafb;
    --border-color: #e5e7eb;
    --highlight-color: #3b82f6;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-color);
}

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

/* Navbar */
.navbar {
    background-color: var(--bg-color);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 1rem 0;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    transition: color 0.3s ease;
}

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

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 2rem 0 4rem 0;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    padding: 4rem 2rem;
}

.hero-text h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.highlight {
    color: #fbbf24;
}

.subtitle {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    opacity: 0.9;
}

.description {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    opacity: 0.85;
}

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

.btn {
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-block;
}

.btn-primary {
    background-color: var(--bg-color);
    color: var(--primary-color);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

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

.btn-secondary:hover {
    background-color: var(--bg-color);
    color: var(--primary-color);
}

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

.profile-photo {
    width: 300px;
    height: 300px;
    border-radius: 50%;
    object-fit: cover;
    border: 5px solid var(--bg-color);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

/* Animations */
.fade-in {
    animation: fadeIn 1s ease-in;
}

.fade-in-delay {
    animation: fadeIn 1s ease-in 0.3s both;
}

.fade-in-delay-2 {
    animation: fadeIn 1s ease-in 0.6s both;
}

.fade-in-delay-3 {
    animation: fadeIn 1s ease-in 0.9s both;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Sections */
.section {
    padding: 4rem 0;
}

.section-alt {
    background-color: var(--bg-alt);
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 3rem;
    color: var(--text-color);
}

/* Sobre Section */
.about-content p {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

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

.project-card {
    background-color: var(--bg-color);
    border-radius: 0.5rem;
    padding: 2rem;
    box-shadow: var(--shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.15);
}

.project-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.project-header h3 {
    font-size: 1.5rem;
    color: var(--text-color);
}

.project-tag {
    background-color: var(--primary-color);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 1rem;
    font-size: 0.875rem;
    font-weight: 600;
}

.project-description {
    color: var(--text-light);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.tech-badge {
    background-color: var(--bg-alt);
    color: var(--text-color);
    padding: 0.25rem 0.75rem;
    border-radius: 0.25rem;
    font-size: 0.875rem;
    border: 1px solid var(--border-color);
}

.project-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.project-link:hover {
    color: var(--secondary-color);
}

/* Habilidades Section */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.skill-category {
    background-color: var(--bg-color);
    padding: 2rem;
    border-radius: 0.5rem;
    box-shadow: var(--shadow);
}

.skill-category h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

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

.skill-category li {
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border-color);
}

.skill-category li:last-child {
    border-bottom: none;
}

/* Contato Section */
.contact-info {
    max-width: 600px;
    margin: 0 auto;
}

.contact-item {
    padding: 1rem;
    margin-bottom: 1rem;
    background-color: var(--bg-color);
    border-radius: 0.5rem;
    box-shadow: var(--shadow);
}

.contact-item a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

.contact-item a:hover {
    color: var(--secondary-color);
}

/* Documentação Section */
.documentation-content {
    text-align: center;
}

.documentation-content p {
    font-size: 1.1rem;
    margin-bottom: 2rem;
}

.doc-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.doc-link {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    padding: 2rem;
    background-color: var(--bg-color);
    border-radius: 0.5rem;
    box-shadow: var(--shadow);
    text-decoration: none;
    color: var(--text-color);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    min-width: 200px;
}

.doc-link:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.15);
}

.doc-icon {
    font-size: 3rem;
}

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

.footer p {
    margin-bottom: 0.5rem;
}

/* Responsive */
@media (max-width: 768px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-text h1 {
        font-size: 2rem;
    }

    .nav-links {
        flex-direction: column;
        gap: 1rem;
    }

    .profile-photo {
        width: 200px;
        height: 200px;
    }

    .cta-buttons {
        flex-direction: column;
    }
}

/* Novos Estilos para Portfolio Atualizado */

/* Filtros de Projeto */
.project-filters {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.75rem 1.5rem;
    background: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    border-radius: 2rem;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

/* Projetos Destacados */
.project-card.featured {
    border: 3px solid var(--highlight-color);
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    transform: scale(1.02);
    position: relative;
}

.project-card.featured::before {
    content: "⭐ DESTAQUE";
    position: absolute;
    top: -10px;
    right: 20px;
    background: var(--highlight-color);
    color: white;
    padding: 0.25rem 0.75rem;
    font-size: 0.75rem;
    font-weight: bold;
    border-radius: 1rem;
}

.featured-tag {
    background: linear-gradient(135deg, #3b82f6, #1d4ed8) !important;
    color: white !important;
    font-weight: bold;
}

/* Links de Projeto */
.project-links {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.project-link.demo {
    background: #10b981;
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
}

.project-link.demo:hover {
    background: #059669;
    transform: translateY(-2px);
}

/* Estatísticas do Hero */
.hero-stats {
    display: flex;
    gap: 2rem;
    margin: 2rem 0;
    justify-content: center;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: bold;
    color: var(--primary-color);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-light);
}

/* Hero Tech Stack */
.hero-tech-stack {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: 1rem;
}

.tech-icon {
    font-size: 2rem;
    opacity: 0.7;
    transition: all 0.3s ease;
}

.tech-icon:hover {
    opacity: 1;
    transform: scale(1.2);
}

/* Estatísticas de Projetos */
.project-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-top: 4rem;
    padding: 3rem;
    background: linear-gradient(135deg, #1e40af, #3b82f6);
    border-radius: 1rem;
    color: white;
    text-align: center;
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.stat-item .stat-number {
    font-size: 3rem;
    font-weight: bold;
    color: white;
    margin-bottom: 0.5rem;
}

.stat-item .stat-label {
    font-size: 1rem;
    opacity: 0.9;
}

/* About Section Enhancements */
.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
    align-items: start;
}

.about-highlights {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.highlight-item {
    padding: 1.5rem;
    background: var(--bg-alt);
    border-radius: 1rem;
    border-left: 4px solid var(--primary-color);
    transition: transform 0.3s ease;
}

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

.highlight-item i {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.highlight-item h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.highlight-item p {
    font-size: 0.9rem;
    color: var(--text-light);
}

/* Skills Section Enhancements */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.skill-category h3 {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.skill-category h3 i {
    font-size: 1.5rem;
}

.additional-skills {
    margin-top: 3rem;
    padding: 2rem;
    background: var(--bg-alt);
    border-radius: 1rem;
    text-align: center;
}

.soft-skills {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
    margin-top: 1.5rem;
}

.soft-skill {
    background: var(--primary-color);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 2rem;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.soft-skill:hover {
    background: var(--secondary-color);
    transform: translateY(-2px);
}

/* Responsive Enhancements */
@media (max-width: 768px) {
    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .hero-stats {
        gap: 1rem;
    }

    .stat-number {
        font-size: 1.5rem;
    }

    .project-filters {
        gap: 0.5rem;
    }

    .filter-btn {
        padding: 0.5rem 1rem;
        font-size: 0.875rem;
    }

    .project-stats {
        grid-template-columns: repeat(2, 1fr);
        padding: 2rem;
    }

    .stat-item .stat-number {
        font-size: 2rem;
    }

    .project-links {
        flex-direction: column;
    }

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

    .soft-skills {
        gap: 0.5rem;
    }

    .soft-skill {
        font-size: 0.8rem;
        padding: 0.4rem 0.8rem;
    }
}