:root {
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --text-primary: #212529;
    --text-secondary: #6c757d;
    --accent: #0d6efd;
    --border: #dee2e6;
}

[data-theme="dark"] {
    --bg-primary: #1a1a2e;
    --bg-secondary: #16213e;
    --text-primary: #eaeaea;
    --text-secondary: #a8a8a8;
    --accent: #4dabf7;
    --border: #2d3748;
}

/* Estilo para placeholders no tema escuro */
[data-theme="dark"] .form-control::placeholder {
    color: rgba(255, 255, 255, 0.7) !important;
}

[data-theme="dark"] .form-control::-webkit-input-placeholder {
    color: rgba(255, 255, 255, 0.7) !important;
}

[data-theme="dark"] .form-control::-moz-placeholder {
    color: rgba(255, 255, 255, 0.7) !important;
}

[data-theme="dark"] .form-control:-ms-input-placeholder {
    color: rgba(255, 255, 255, 0.7) !important;
}

[data-theme="dark"] .form-control:-moz-placeholder {
    color: rgba(255, 255, 255, 0.7) !important;
}

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

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

.navbar {
    background-color: var(--bg-primary) !important;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    padding: 1rem 0;
}

.navbar-brand {
    font-weight: bold;
    font-size: 1.5rem;
    color: var(--accent) !important;
}

.nav-link {
    color: var(--text-primary) !important;
    margin: 0 0.5rem;
    transition: color 0.3s;
}

.nav-link:hover {
    color: var(--accent) !important;
}

.theme-toggle {
    background: none;
    border: 2px solid var(--accent);
    color: var(--accent);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    cursor: pointer;
    transition: all 0.3s;
}

.theme-toggle:hover {
    background-color: var(--accent);
    color: white;
    transform: rotate(180deg);
}

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    padding: 2rem 0;
}

.profile-img {
    width: 420px;
    height: 420px;
    border-radius: 50%;
    object-fit: cover;
    border: 5px solid var(--accent);
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
    transition: transform 0.3s;
}

.profile-img:hover {
    transform: scale(1.05);
}

.hero-content h1 {
    font-size: 3rem;
    font-weight: bold;
    margin-bottom: 1rem;
}

.hero-content .subtitle {
    font-size: 1.5rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.social-links a {
    display: inline-block;
    width: 45px;
    height: 45px;
    line-height: 45px;
    text-align: center;
    border-radius: 50%;
    background-color: var(--accent);
    color: white;
    margin: 0 0.5rem;
    transition: all 0.3s;
    font-size: 1.2rem;
}

.social-links a:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.3);
}

.section {
    padding: 5rem 0;
    background-color: var(--bg-primary);
}

.section:nth-child(even) {
    background-color: var(--bg-secondary);
}

.section-title {
    font-size: 2.5rem;
    font-weight: bold;
    margin-bottom: 3rem;
    text-align: center;
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background-color: var(--accent);
    margin: 1rem auto;
}

.skill-card {
    background-color: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 2rem;
    margin-bottom: 1.5rem;
    transition: all 0.3s;
    height: 100%;
}

.skill-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
}

.skill-icon {
    font-size: 3rem;
    color: var(--accent);
    margin-bottom: 1rem;
}

.project-card {
    background-color: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 10px;
    overflow: hidden;
    transition: all 0.3s;
    height: 100%;
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.2);
}

.project-img {
    width: 100%;
    height: 200px;
    background: linear-gradient(135deg, var(--accent) 0%, #667eea 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    color: white;
}

.project-content {
    padding: 1.5rem;
}

.btn-primary {
    background-color: var(--accent);
    border: none;
    padding: 0.75rem 2rem;
    border-radius: 25px;
    transition: all 0.3s;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

.contact-card {
    background: var(--bg-secondary);
    border-radius: 15px;
    padding: 2rem;
    height: 100%;
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    border: 1px solid var(--border);
}

.contact-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(var(--text-primary-rgb), 0.03) 0%, rgba(var(--text-primary-rgb), 0.01) 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.contact-card:hover::before {
    opacity: 1;
}

.contact-card.whatsapp:hover::before {
    background: linear-gradient(135deg, rgba(37, 211, 102, 0.05) 0%, rgba(37, 211, 102, 0.02) 100%);
}

.contact-card.email:hover::before {
    background: linear-gradient(135deg, rgba(234, 179, 8, 0.05) 0%, rgba(234, 179, 8, 0.02) 100%);
}

.contact-card.linkedin:hover::before {
    background: linear-gradient(135deg, rgba(10, 102, 194, 0.05) 0%, rgba(10, 102, 194, 0.02) 100%);
}

.contact-card.github:hover::before {
    background: linear-gradient(135deg, rgba(110, 84, 148, 0.05) 0%, rgba(110, 84, 148, 0.02) 100%);
}

.row.mb-5 {
    justify-content: center;
}

.contact-icon {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    background: transparent;
    border: 2px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 1.8rem;
    color: var(--text-primary);
    transition: all 0.3s ease;
    position: relative;
}

.contact-icon i {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.contact-card:hover .contact-icon {
    transform: scale(1.1);
}

/* Cores no hover */

.whatsapp:hover .contact-icon {
    background: #25D366;
    border-color: #25D366;
    color: white;
}
.whatsapp:hover a.btn {
    background: #25D366;
    border-color: #25D366;
    color: white !important;
}

.email:hover .contact-icon {
    background: #EAB308;
    border-color: #EAB308;
    color: white;
}
.email:hover a.btn {
    background: #EAB308;
    border-color: #EAB308;
    color: white !important;
}

.linkedin:hover .contact-icon {
    background: #0A66C2;
    border-color: #0A66C2;
    color: white;
}
.linkedin:hover a.btn {
    background: #0A66C2;
    border-color: #0A66C2;
    color: white !important;
}

.github:hover .contact-icon {
    background: #6E5494;
    border-color: #6E5494;
    color: white;
}
.github:hover a.btn {
    background: #6E5494;
    border-color: #6E5494;
    color: white !important;
}

.location:hover .contact-icon {
    background: var(--accent);
    border-color: var(--accent);
    color: white;
}

/* Centralização dos cards de contato */
#contato .row {
    display: flex;
    justify-content: center;
}

#contato .contact-card {
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

#contato .contact-card p {
    margin-bottom: 1.5rem;
}

.contact-card h4 {
    margin: 1rem 0;
    color: var(--text-primary);
}

.contact-card p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.contact-card .btn-outline-light {
    border-color: var(--border);
    color: var(--text-primary);
    transition: all 0.3s ease;
}

.contact-card .btn-outline-light:hover {
    background: var(--accent);
    border-color: var(--accent);
    color: white;
    transform: translateY(-2px);
}

.contact-form {
    max-width: 600px;
    margin: 0 auto;
}

.form-control, .form-select {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border);
    color: var(--text-primary);
    padding: 0.75rem;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.form-control:focus, .form-select:focus {
    background-color: var(--bg-secondary);
    border-color: var(--accent);
    color: var(--text-primary);
    box-shadow: 0 0 0 0.25rem rgba(13, 110, 253, 0.25);
}

[data-theme="dark"] .form-control,
[data-theme="dark"] .form-select {
    background-color: rgba(255, 255, 255, 0.05);
    border-color: var(--border);
    color: var(--text-primary);
}

[data-theme="dark"] .form-control:focus,
[data-theme="dark"] .form-select:focus {
    background-color: rgba(255, 255, 255, 0.1);
    border-color: var(--accent);
}

footer {
    background-color: var(--bg-secondary);
    padding: 2rem 0;
    text-align: center;
    color: var(--text-secondary);
}

.title-blue {
    color: var(--accent);
}

/* Estilo para os ícones de tecnologia */
.front-icons {
    width: 100%;
    padding: 20px;
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(80px, 1fr));
    gap: 30px;
    justify-items: center;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

.front-icons i,
.front-icons .tech-icon {
    font-size: clamp(2rem, 5vw, 3.5rem);
    color: #808080;
    filter: grayscale(100%);
    transition: all 0.3s ease;
    width: auto;
    height: 1em;
}

.front-icons i:hover,
.front-icons .tech-icon:hover {
    filter: grayscale(0%);
    transform: scale(1.5);
}

/* Cores específicas no hover */
.fa-html5:hover { color: #E34F26; }
.fa-css3-alt:hover { color: #1572B6; }
.fa-js:hover { color: #F7DF1E; }
.fa-react:hover { color: #61DAFB; }
.fa-php:hover { color: #777BB4; }
.fa-bootstrap:hover { color: #7952B3; }
.fa-python:hover { color: #3776AB; }

/* Media Queries para ícones de tecnologia */
@media (max-width: 768px) {
    .tech-grid {
        grid-template-columns: repeat(auto-fit, minmax(60px, 1fr));
        gap: 20px;
        padding: 10px;
    }

    .profile-pic {
        margin-top: 100px;
    }

    .botao-projetos a {
        width: 30%; 
    }
}

@media (max-width: 480px) {
    .tech-grid {
        grid-template-columns: repeat(auto-fit, minmax(50px, 1fr));
        gap: 15px;
    }
    
    .front-icons i,
    .front-icons .tech-icon {
        font-size: clamp(1.8rem, 4vw, 2.5rem);
    }

    .profile-pic {
        margin-top: 100px;
    }

    .botao-projetos a {
        width: 30%; 
    }
}

.contact-card {
    width: 80%;
}

.contact-card i {
    margin-bottom: 30px;
    font-size: 30px;
}


@media (max-width: 768px) {
    .hero-content {
        padding: 0 15px;
    }
    
    .hero-content .subtitle {
        font-size: 1.2rem;
    }
    
    .profile-img {
        width: 200px;
        height: 200px;
        margin-bottom: 2rem;
    }
    
    .section {
        padding: 3rem 0;
    }
    .profile-pic {
        margin-top: 100px;
    }

    .botao-projetos a {
        width: 30%;
    }
}

@media (max-width: 480px) {
    .hero-content {
        padding: 0 10px;
    }
    
    .hero-content .subtitle {
        font-size: 1.1rem;
    }
    
    .typing-text {
        font-size: clamp(1.5rem, 5vw, 1.8rem);
    }

    .profile-pic {
        margin-top: 100px;
    }
    .botao-projetos a  {
        width: 30%;   
    }
}

@media (min-width: 1200px) {
    .hero-content {
        max-width: 800px;
    }
    
    .typing-text {
        font-size: clamp(2.5rem, 3vw, 3.5rem);
    }
}

/* Resume download button styling */
.resume-btn {
    border-radius: 30px;
    padding: 0.55rem 1.2rem;
    font-weight: 600;
    transition: all 0.25s ease;
}

.resume-btn:hover {
    transform: translateY(-3px);
}