/* Variáveis de cores - Tema Claro (padrão) */
:root {
    --primary-color: #2563eb;
    --secondary-color: #1e40af;
    --dark-color: #1e293b;
    --light-color: #f8fafc;
    --gray-color: #64748b;
    --border-color: #cbd5e1;
    --hover-color: #3b82f6;
    --gradient-start: #2563eb;
    --gradient-end: #1e40af;
    --shadow-color: rgba(0, 0, 0, 0.15);
    --text-color: #1e293b;
    --bg-color: #f1f5f9;
    --card-bg: #ffffff;
    --header-text: #ffffff;
    --skill-bg: #e2e8f0;
    --skill-text: #1e293b;
}

/* Variáveis de cores - Tema Escuro */
[data-theme="dark"] {
    --primary-color: #3b82f6;
    --secondary-color: #60a5fa;
    --dark-color: #f8fafc;
    --light-color: #334155;
    --gray-color: #e2e8f0;
    --border-color: #475569;
    --hover-color: #60a5fa;
    --gradient-start: #1e40af;
    --gradient-end: #1e3a8a;
    --shadow-color: rgba(0, 0, 0, 0.3);
    --text-color: #f8fafc;
    --bg-color: #0f172a;
    --card-bg: #1e293b;
    --header-text: #ffffff;
    --skill-bg: #334155;
    --skill-text: #f8fafc;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-color);
    transition: background-color 0.3s ease, color 0.3s ease;
}

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

a:hover {
    color: var(--hover-color);
}

.container {
    width: 90%;
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 15px;
}

/* Header */
header {
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    color: white;
    padding: 60px 0 40px;
    text-align: center;
    clip-path: polygon(0 0, 100% 0, 100% 85%, 0 100%);
}

header h1 {
    font-size: 2.5rem;
    margin-bottom: 8px;
    letter-spacing: 1px;
}

header p {
    font-size: 1rem;
    margin-bottom: 15px;
    opacity: 0.9;
}

.social-links {
    margin-top: 20px;
}

.social-links a {
    color: white;
    font-size: 1.5rem;
    margin: 0 10px;
    transition: transform 0.3s ease;
}

.social-links a:hover {
    transform: translateY(-5px);
}

/* Seletor de Tema */
.theme-toggle {
    display: inline-block;
    margin-left: 15px;
    position: relative;
}

.theme-switch {
    opacity: 0;
    position: absolute;
}

.switch-label {
    background-color: rgba(255, 255, 255, 0.2);
    border-radius: 20px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 5px 10px;
    position: relative;
    height: 30px;
    width: 60px;
    transition: background-color 0.3s ease;
}

.switch-label i {
    font-size: 14px;
    color: white;
    transition: color 0.3s ease;
}

.switch-label:before {
    background-color: #fff;
    border-radius: 50%;
    content: "";
    height: 22px;
    width: 22px;
    position: absolute;
    left: 4px;
    top: 4px;
    transform: translateX(0);
    transition: transform 0.3s ease, background-color 0.3s ease;
}

.theme-switch:checked + .switch-label:before {
    transform: translateX(30px);
    background-color: var(--dark-color);
}

.theme-switch:checked + .switch-label {
    background-color: rgba(0, 0, 0, 0.3);
}

@media (max-width: 480px) {
    .theme-toggle {
        margin-top: 15px;
        margin-left: 0;
    }
}

/* Seções */
.section {
    padding: 50px 0;
}

.section h2 {
    text-align: center;
    font-size: 1.8rem;
    margin-bottom: 30px;
    position: relative;
    color: var(--text-color);
}

.section h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 3px;
    background: linear-gradient(to right, var(--gradient-start), var(--gradient-end));
    border-radius: 2px;
}

/* Sobre Mim */
.about-content {
    display: flex;
    align-items: center;
    gap: 25px;
    margin-top: 20px;
}

.profile-image {
    flex: 0 0 220px;
}

.profile-image img {
    width: 100%;
    border-radius: 10px;
    box-shadow: 0 10px 30px var(--shadow-color);
    transition: transform 0.3s ease;
}

.profile-image img:hover {
    transform: scale(1.03);
}

.about-text {
    flex: 1;
}

.about-text p {
    margin-bottom: 12px;
    font-size: 0.95rem;
    color: var(--text-color);
}

/* Habilidades */
.skills-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.skill-category {
    background-color: var(--card-bg);
    border-radius: 8px;
    padding: 18px;
    box-shadow: 0 6px 15px var(--shadow-color);
    border: 1px solid var(--border-color);
    transition: transform 0.3s ease, background-color 0.3s ease, box-shadow 0.3s ease;
}

.skill-category:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px var(--shadow-color);
}

.skill-category h3 {
    margin-bottom: 15px;
    color: var(--primary-color);
    font-size: 1.1rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 8px;
}

.skills {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
}

.skill {
    background-color: var(--skill-bg);
    padding: 8px 15px;
    border-radius: 20px;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--skill-text);
    border: 1px solid var(--border-color);
}

.skill i {
    color: var(--primary-color);
}

/* Projetos */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 20px;
}

.project-card {
    background-color: var(--card-bg);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 6px 15px var(--shadow-color);
    border: 1px solid var(--border-color);
    transition: transform 0.3s ease, background-color 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
    height: 100%;
    padding: 18px;
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px var(--shadow-color);
}

.project-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
}

.project-header i {
    font-size: 1.4rem;
    color: var(--primary-color);
}

.project-header h3 {
    font-size: 1.1rem;
    color: var(--text-color);
}

.project-card p {
    color: var(--text-color);
    opacity: 0.9;
    margin-bottom: 20px;
    flex-grow: 1;
}

.project-links {
    margin-top: auto;
    margin-bottom: 15px;
}

.btn {
    display: inline-block;
    background-color: var(--primary-color);
    color: white;
    padding: 8px 20px;
    border-radius: 5px;
    font-weight: 500;
    transition: background-color 0.3s ease;
}

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

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.project-tech span {
    background-color: var(--skill-bg);
    padding: 5px 10px;
    border-radius: 15px;
    font-size: 0.8rem;
    color: var(--skill-text);
    border: 1px solid var(--border-color);
}

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

.education-timeline::before {
    content: '';
    position: absolute;
    top: 0;
    left: 20px;
    height: 100%;
    width: 4px;
    background: linear-gradient(to bottom, var(--gradient-start), var(--gradient-end));
    border-radius: 2px;
}

.education-item {
    display: flex;
    margin-bottom: 40px;
    position: relative;
}

.education-icon {
    background-color: var(--primary-color);
    color: white;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 20px;
    z-index: 1;
}

.education-content {
    background-color: var(--card-bg);
    padding: 18px;
    border-radius: 8px;
    box-shadow: 0 6px 15px var(--shadow-color);
    border: 1px solid var(--border-color);
    flex: 1;
    transition: background-color 0.3s ease, box-shadow 0.3s ease;
}

.education-content h3 {
    color: var(--primary-color);
    margin-bottom: 4px;
    font-size: 1.1rem;
}

.institution {
    font-weight: 600;
    margin-bottom: 5px;
}

.period {
    color: var(--gray-color);
    font-style: italic;
    margin-bottom: 15px;
    font-size: 0.9rem;
    font-weight: 500;
}

/* Contato */
.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 12px;
    background-color: var(--card-bg);
    padding: 15px;
    border-radius: 8px;
    box-shadow: 0 6px 15px var(--shadow-color);
    border: 1px solid var(--border-color);
    transition: transform 0.3s ease, background-color 0.3s ease, box-shadow 0.3s ease;
}

.contact-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px var(--shadow-color);
}

.contact-item i {
    font-size: 1.5rem;
    color: var(--primary-color);
}

/* Footer */
footer {
    background-color: var(--dark-color);
    color: white;
    padding: 30px 0;
    text-align: center;
}

/* Responsividade */
@media (max-width: 768px) {
    .container {
        padding: 0 15px;
        width: 95%;
    }
    
    header {
        padding: 70px 0 50px;
    }

    header h1 {
        font-size: 2.2rem;
    }

    .about-content {
        flex-direction: column;
        text-align: center;
    }

    .profile-image {
        flex: 0 0 250px;
        margin: 0 auto 30px;
    }

    .education-timeline::before {
        left: 15px;
    }

    .education-icon {
        width: 30px;
        height: 30px;
        font-size: 0.8rem;
    }

    .section {
        padding: 35px 0;
    }

    .section h2 {
        font-size: 1.8rem;
        margin-bottom: 40px;
    }
    
    .skills-grid, .projects-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
}

@media (max-width: 480px) {
    header h1 {
        font-size: 1.8rem;
    }

    header p {
        font-size: 0.9rem;
    }
    
    .social-links {
        margin-top: 12px;
    }

    .section {
        padding: 30px 0;
    }
    
    .section h2 {
        font-size: 1.6rem;
        margin-bottom: 20px;
    }

    .skill-category,
    .project-card,
    .education-content,
    .contact-item {
        padding: 12px;
    }
    
    .about-text p {
        font-size: 0.9rem;
    }

    .education-timeline::before {
        display: none;
    }

    .education-item {
        flex-direction: column;
    }

    .education-icon {
        margin-bottom: 15px;
    }
    
    .profile-image {
        width: 180px;
    }
}

@media (min-width: 769px) and (max-width: 1024px) {
    .skills-container {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .projects-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .contact-info {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .section {
        padding: 70px 0;
    }
}