/* Variáveis CSS */
:root {
    --primary-color: #60a5fa;
    --primary-hover: #3b82f6;
    --secondary-color: #1f2937;
    --text-color: #6b7280;
    --text-dark: #374151;
    --light-bg: #f9fafb;
    --white-bg: #ffffff;
    --gray-border: #e5e7eb;
    --shadow-light: rgba(0, 0, 0, 0.05);
    --shadow-medium: rgba(0, 0, 0, 0.1);
    --border-radius: 8px;
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Inter', 'SF Pro Display', 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--light-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    font-size: 16px;
}

/* Contêiner para centralizar conteúdo */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

/* Tipografia */
h1, h2, h3, h4, h5, h6 {
    color: var(--secondary-color);
    margin-bottom: 0.5em;
    line-height: 1.2;
    font-weight: 600;
}

h1 {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 700;
    letter-spacing: -0.02em;
}

h2 {
    font-size: clamp(2rem, 4vw, 2.5rem);
    font-weight: 600;
    letter-spacing: -0.01em;
}

h3 {
    font-size: clamp(1.5rem, 3vw, 1.875rem);
    font-weight: 600;
}

p {
    color: var(--text-color);
    margin-bottom: 1em;
    font-size: 1rem;
    line-height: 1.7;
}

h2 {
    font-size: 2.2em;
    font-weight: 600;
}

h3 {
    font-size: 1.8em;
    font-weight: 500;
}

p {
    margin-bottom: 1em;
}

/* Botões */
.btn {
    display: inline-block;
    padding: 12px 25px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    font-size: 1em;
}

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

.btn-primary:hover {
    background-color: #0088cc;
}

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

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

/* Navbar */
.navbar {
    background-color: var(--white-bg);
    padding: 15px 0;
    box-shadow: 0 2px 10px var(--shadow-light);
    position: sticky;
    top: 0;
    z-index: 1000;
}

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

.nav-brand h2 {
    margin: 0;
    color: var(--primary-color);
    font-size: 1.8em;
}

.nav-menu {
    display: flex;
    gap: 30px;
}

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

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

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--secondary-color);
    border-radius: 3px;
}

/* Hero Section */
.hero {
    background: linear-gradient(to right, var(--white-bg), var(--light-bg));
    padding: 100px 0;
    text-align: center;
    display: flex;
    align-items: center;
    min-height: 80vh;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero-title {
    font-size: 3.5em;
    margin-bottom: 10px;
    color: var(--secondary-color);
}

.hero-subtitle {
    font-size: 1.5em;
    color: var(--primary-color);
    margin-bottom: 20px;
    font-weight: 500;
}

.hero-description {
    font-size: 1.1em;
    color: var(--text-color);
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.subtitle-en, .description-en {
    font-size: 0.9em;
    color: #666;
    display: block;
    margin-top: 5px;
}

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

/* Seções Gerais */
section {
    padding: var(--spacing-xl) 0;
    background-color: var(--white-bg);
}

section:nth-of-type(even) {
    background-color: var(--light-bg);
}

.section-title {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    font-size: clamp(2rem, 4vw, 2.5rem);
    color: var(--secondary-color);
    position: relative;
    font-weight: 600;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background-color: var(--primary-color);
    margin: var(--spacing-sm) auto 0;
    border-radius: var(--border-radius);
}

/* About Section */
.about-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 40px;
}

.about-text {
    max-width: 800px;
    text-align: justify;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.about-text h3 {
    color: var(--primary-color);
    font-size: 1.4em;
    margin-bottom: 10px;
}

/* Skills Section */
.skills-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 15px;
    max-width: 900px;
    margin: 0 auto;
}

.skill-tag {
    background-color: var(--primary-color);
    color: var(--white-bg);
    padding: 10px 20px;
    border-radius: 25px;
    font-weight: 500;
    font-size: 0.95em;
    transition: background-color 0.3s ease;
}

.skill-tag:hover {
    background-color: #0088cc;
}

/* Projects Section */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-lg);
    padding: 0 var(--spacing-sm);
}

.project-card {
    background-color: var(--white-bg);
    border-radius: var(--border-radius);
    box-shadow: 0 2px 8px var(--shadow-light);
    overflow: hidden;
    transition: all 0.3s ease;
    border: 1px solid var(--gray-border);
}

.project-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 25px var(--shadow-medium);
    border-color: var(--primary-color);
}

.project-image {
    height: 200px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-hover));
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.project-content {
    padding: var(--spacing-lg);
}

.project-title {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
    color: var(--secondary-color);
    font-weight: 600;
}

.project-description p {
    font-size: 0.9rem;
    color: var(--text-color);
    margin-bottom: var(--spacing-sm);
    line-height: 1.6;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-md);
}

.tech-tag {
    background-color: var(--light-bg);
    color: var(--text-dark);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
    border: 1px solid var(--gray-border);
    transition: all 0.2s ease;
}

.tech-tag:hover {
    background-color: var(--primary-color);
    color: var(--white-bg);
    border-color: var(--primary-color);
}

/* Services Section */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    max-width: 1000px;
    margin: 0 auto;
}

.service-card {
    background-color: var(--white-bg);
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px var(--shadow-light);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px var(--shadow-light);
}

.service-card h3 {
    font-size: 1.5em;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.service-card p {
    font-size: 0.95em;
    color: var(--text-color);
    margin-bottom: 0;
}

.service-en {
    font-size: 0.85em;
    color: #777;
    margin-top: 5px;
}

/* Contact Section */
.contact-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 40px;
}

.contact-info {
    text-align: center;
    max-width: 600px;
}

.contact-info h3 {
    font-size: 1.8em;
    color: var(--secondary-color);
    margin-bottom: 15px;
}

.contact-info p {
    font-size: 1.1em;
    color: var(--text-color);
}

.contact-en {
    font-size: 0.9em;
    color: #666;
    display: block;
    margin-top: 5px;
}

.contact-details {
    margin-top: var(--spacing-lg);
    display: grid;
    gap: var(--spacing-md);
    max-width: 600px;
}

.contact-item {
    padding: var(--spacing-md);
    background-color: var(--white-bg);
    border-radius: var(--border-radius);
    box-shadow: 0 2px 8px var(--shadow-light);
    border: 1px solid var(--gray-border);
    transition: all 0.3s ease;
}

.contact-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px var(--shadow-medium);
    border-color: var(--primary-color);
}

.contact-item strong {
    color: var(--secondary-color);
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
}

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

.contact-item a:hover {
    color: var(--primary-hover);
    text-decoration: underline;
}

/* Footer */
.footer {
    background-color: var(--secondary-color);
    color: var(--white-bg);
    text-align: center;
    padding: 30px 0;
    font-size: 0.9em;
}

.footer p {
    margin: 0;
}

/* Responsividade */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
        flex-direction: column;
        width: 100%;
        position: absolute;
        top: 70px;
        left: 0;
        background-color: var(--white-bg);
        box-shadow: 0 5px 10px var(--shadow-light);
        padding: 20px;
        gap: 15px;
    }

    .nav-menu.active {
        display: flex;
    }

    .nav-toggle {
        display: flex;
    }

    .hero-title {
        font-size: 2.5em;
    }

    .hero-subtitle {
        font-size: 1.2em;
    }

    .hero-description {
        font-size: 1em;
    }

    .hero-buttons {
        flex-direction: column;
        gap: 15px;
    }

    .btn {
        width: 100%;
    }

    .section-title {
        font-size: 2em;
    }

    .about-text {
        text-align: left;
    }

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

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

    .contact-content {
        gap: 20px;
    }
}

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

    .hero-subtitle {
        font-size: 1em;
    }

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

    .nav-brand h2 {
        font-size: 1.5em;
    }
}



.btn-outline {
    background-color: transparent;
    color: var(--text-dark);
    border: 2px solid var(--gray-border);
}

.btn-outline:hover {
    background-color: var(--text-dark);
    color: var(--white-bg);
    border-color: var(--text-dark);
}



.project-link {
    display: inline-block;
    margin-top: 15px;
    padding: 10px 20px;
    background-color: var(--primary-color);
    color: white;
    border-radius: 5px;
    text-decoration: none;
    transition: background-color 0.3s ease;
}

.project-link:hover {
    background-color: #1e40af;
}