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

:root {
    /* Light Theme Colors */
    --bg-primary: #fafbfc;
    --bg-secondary: #ffffff;
    --bg-tertiary: #f8f9fa;
    --text-primary: #2d3748;
    --text-secondary: #4a5568;
    --text-muted: #718096;
    
    /* Dark Theme Colors */
    --bg-primary-dark: #0f0f23;
    --bg-secondary-dark: #16213e;
    --bg-tertiary-dark: #1a1a2e;
    --text-primary-dark: #e2e8f0;
    --text-secondary-dark: #cbd5e0;
    --text-muted-dark: #a0aec0;
    
    /* Accent Colors */
    --accent-primary: #8b5cf6;
    --accent-secondary: #a78bfa;
    --accent-tertiary: #c4b5fd;
    --accent-gradient: linear-gradient(135deg, #8b5cf6 0%, #a78bfa 50%, #c4b5fd 100%);
    
    /* Glass Effect */
    --glass-bg: rgba(255, 255, 255, 0.1);
    --glass-border: rgba(255, 255, 255, 0.2);
    --glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
    --glass-backdrop: blur(8px);
    
    /* Dark Glass Effect */
    --glass-bg-dark: rgba(255, 255, 255, 0.05);
    --glass-border-dark: rgba(255, 255, 255, 0.1);
    --glass-shadow-dark: 0 8px 32px 0 rgba(0, 0, 0, 0.5);
    
    /* Spacing */
    --container-max-width: 1200px;
    --section-padding: 120px 0;
    --element-spacing: 2rem;
    
    /* Typography */
    --font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    --font-size-6xl: 3.75rem;
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-base: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;
}

/* Dark Theme */
[data-theme="dark"] {
    --bg-primary: var(--bg-primary-dark);
    --bg-secondary: var(--bg-secondary-dark);
    --bg-tertiary: var(--bg-tertiary-dark);
    --text-primary: var(--text-primary-dark);
    --text-secondary: var(--text-secondary-dark);
    --text-muted: var(--text-muted-dark);
    --glass-bg: var(--glass-bg-dark);
    --glass-border: var(--glass-border-dark);
    --glass-shadow: var(--glass-shadow-dark);
}

/* Base Styles */
html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-family);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    transition: background-color var(--transition-base), color var(--transition-base);
}

/* Container */
.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Glass Morphism Utility */
.glass {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-backdrop);
    -webkit-backdrop-filter: var(--glass-backdrop);
    border: 1px solid var(--glass-border);
    box-shadow: var(--glass-shadow);
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 1rem 0;
    background: var(--glass-bg);
    backdrop-filter: var(--glass-backdrop);
    -webkit-backdrop-filter: var(--glass-backdrop);
    border-bottom: 1px solid var(--glass-border);
    transition: all var(--transition-base);
}

.nav-container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 700;
    font-size: var(--font-size-xl);
    transition: color var(--transition-fast);
}

.logo-text {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-menu a {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    font-size: var(--font-size-sm);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
    position: relative;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--accent-primary);
    background: var(--glass-bg);
    backdrop-filter: var(--glass-backdrop);
    -webkit-backdrop-filter: var(--glass-backdrop);
}

.theme-toggle {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-backdrop);
    -webkit-backdrop-filter: var(--glass-backdrop);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-full);
    width: 2.5rem;
    height: 2.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-fast);
    font-size: var(--font-size-lg);
}

.theme-toggle:hover {
    transform: scale(1.1);
    box-shadow: var(--glass-shadow);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    gap: 0.25rem;
}

.mobile-menu-toggle span {
    width: 1.5rem;
    height: 2px;
    background: var(--text-primary);
    transition: all var(--transition-fast);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    background: var(--bg-primary);
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('../images/background_abstract1.png') center/cover;
    opacity: 0.1;
    z-index: -1;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

.hero-title {
    font-size: var(--font-size-6xl);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.title-line {
    display: block;
}

.highlight {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: var(--font-size-xl);
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    max-width: 500px;
}

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

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.875rem 2rem;
    border-radius: var(--radius-full);
    text-decoration: none;
    font-weight: 600;
    font-size: var(--font-size-base);
    transition: all var(--transition-base);
    border: none;
    cursor: pointer;
    min-width: 150px;
}

.btn-primary {
    background: var(--accent-gradient);
    color: white;
    box-shadow: 0 4px 15px rgba(139, 92, 246, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(139, 92, 246, 0.4);
}

.btn-secondary {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-backdrop);
    -webkit-backdrop-filter: var(--glass-backdrop);
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
}

.btn-secondary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 10px #8b5cf6; /* brilho roxo */
    border-color: #8b5cf6;
}


.hero-visual {
    position: relative;
    height: 400px;
}

.floating-card {
    position: absolute;
    background: var(--glass-bg);
    backdrop-filter: var(--glass-backdrop);
    -webkit-backdrop-filter: var(--glass-backdrop);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    box-shadow: var(--glass-shadow);
    animation: float 6s ease-in-out infinite;

    /* Novas propriedades para imagem */
    background-size: cover;      /* Preenche todo o card */
    background-position: center; /* Centraliza a imagem */
    background-repeat: no-repeat;
}


.card-1 {
    width: 200px;
    height: 120px;
    top: 50px;
    left: 50px;
    animation-delay: 0s;
}

.card-2 {
    width: 150px;
    height: 100px;
    top: 200px;
    right: 80px;
    animation-delay: 2s;
}

.card-3 {
    width: 180px;
    height: 110px;
    bottom: 80px;
    left: 20px;
    animation-delay: 4s;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(2deg); }
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    color: var(--text-muted);
    font-size: var(--font-size-sm);
}

.scroll-arrow {
    width: 1px;
    height: 30px;
    background: var(--accent-primary);
    margin: 0.5rem auto;
    position: relative;
    animation: scroll 2s ease-in-out infinite;
}

.scroll-arrow::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: -3px;
    width: 7px;
    height: 7px;
    border-right: 1px solid var(--accent-primary);
    border-bottom: 1px solid var(--accent-primary);
    transform: rotate(45deg);
}

@keyframes scroll {
    0%, 100% { opacity: 0.4; }
    50% { opacity: 1; }
}

/* Section Styles */
section {
    padding: var(--section-padding);
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    margin-bottom: 1rem;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* About Section */
.about {
    background: var(--bg-secondary);
    position: relative;
}

.about::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('../images/background_abstract2.png') center/cover;
    opacity: 0.05;
    z-index: -1;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}
/* Card (foto, nome, função) */
.about-card {
    grid-column: 1 / 2; 
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
    transition: transform 0.3s ease, box-shadow 0.3s ease;

    width: 100%;        /* ocupa toda a coluna */
    max-width: 400px;   /* largura máxima do card */
    margin: 0 auto;     /* centraliza horizontalmente */
}
.about-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.3);
}
/* Imagem do perfil */
.about-card img {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    object-fit: cover;
    margin-bottom: 1rem;
    border: 3px solid var(--primary-color);
}

/* Nome */
.about-card h3 {
    font-size: 1.5rem;
    color: var(--text-primary);
    margin-bottom: 0.3rem;
}

/* Função */
.about-card p {
    font-size: 1rem;
    color: var(--text-secondary);
}

/* Texto ao lado (sobre você) */
.about-description {
    grid-column: 2 / 3; /* segunda coluna */
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

/* Skills Section - ocupa toda a largura abaixo */
.about-skills {
    grid-column: 1 / -1; /* ocupa as duas colunas do grid */
    margin-top: 3rem;
}

.skills-title {
    font-size: var(--font-size-2xl);
    font-weight: 600;
    margin-bottom: 2rem;
    text-align: center;
    color: var(--text-primary);
}

.skills-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 3rem; /* espaço entre categorias */
}

.skill-category {
    flex: 1 1 280px;
    max-width: 350px;
    text-align: center;
}

.skill-category h4 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--accent-primary);
}

.skill-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    justify-content: center;
}

.skill-tag {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-backdrop);
    -webkit-backdrop-filter: var(--glass-backdrop);
    border: 1px solid var(--glass-border);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.skill-tag:hover {
    background: var(--accent-primary);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(139, 92, 246, 0.3);
}

/* Profile Card */
.profile-card {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-backdrop);
    -webkit-backdrop-filter: var(--glass-backdrop);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-2xl);
    padding: 2rem;
    text-align: center;
    box-shadow: var(--glass-shadow);
    transition: transform var(--transition-base);
}

.profile-card:hover {
    transform: translateY(-10px);
}

.profile-image {
    width: 120px;
    height: 120px;
    border-radius: var(--radius-full);
    margin: 0 auto 1.5rem;
    overflow: hidden;
    position: relative;
    background: none;
}

.profile-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.profile-image::after {
    content: none;
}

.profile-info h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.profile-info p {
    color: var(--text-secondary);
    font-size: var(--font-size-base);
}

/* Portfolio Section */
.portfolio {
    background: var(--bg-primary);
}

.portfolio-filters {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.filter-btn {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-backdrop);
    -webkit-backdrop-filter: var(--glass-backdrop);
    border: 1px solid var(--glass-border);
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--accent-primary);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(139, 92, 246, 0.3);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.portfolio-item {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-backdrop);
    -webkit-backdrop-filter: var(--glass-backdrop);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--glass-shadow);
    transition: all var(--transition-base);
    cursor: pointer;
    opacity: 1;
    transform: scale(1);
}

.portfolio-item:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 20px 40px rgba(139, 92, 246, 0.2);
}

.portfolio-item.hidden {
    opacity: 0;
    transform: scale(0.8);
    pointer-events: none;
}

.portfolio-image {
    width: 100%;
    height: 250px;
    background-size: cover;
    background-position: center;
    position: relative;
}

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(139, 92, 246, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-base);
}

.portfolio-item:hover .portfolio-overlay {
    opacity: 1;
}

.portfolio-overlay .btn {
    background: white;
    color: var(--accent-primary);
    font-weight: 600;
}

.portfolio-content {
    padding: 1.5rem;
}

.portfolio-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.portfolio-description {
    color: var(--text-secondary);
    font-size: var(--font-size-base);
    line-height: 1.6;
}

.portfolio-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1rem;
}

.portfolio-tag {
    background: var(--accent-primary);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 500;
}
.fade-in {
    opacity: 0;
    transform: translateX(50px); /* começa 50px à direita */
    transition: all 0.6s ease-out; /* animação suave */
}
.fade-in.visible {
    opacity: 1;
    transform: translateX(0); /* volta à posição original */
}

/* Contact Section */
.contact {
    background: var(--bg-secondary);
    position: relative;
}

.contact::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('../images/background_abstract1.png') center/cover;
    opacity: 0.05;
    z-index: -1;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.contact-info h3 {
    font-size: var(--font-size-2xl);
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.contact-info p {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.7;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

/* Botões de contato arredondados e com ícones PNG */
.contact-method {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.5rem;
    background: var(--glass-bg);
    backdrop-filter: var(--glass-backdrop);
    -webkit-backdrop-filter: var(--glass-backdrop);
    border: 1px solid #8b5cf6; /* 🔥 borda roxa fixa */
    border-radius: 999px; /* totalmente arredondado */
    text-decoration: none;
    color: var(--text-primary);
    transition: all 0.3s ease; /* anima suavemente */
}

.contact-method:hover {
    transform: translateY(-2px); /* mesmo efeito do btn-secondary */
    box-shadow: 0 0 20px rgba(139, 92, 246, 0.6); /* brilho roxo suave */
    border-color: #8b5cf6;
}

/* Ícones usando PNGs do footer */
.contact-method .contact-icon {
    width: 24px;
    height: 24px;
    display: inline-block;
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    flex-shrink: 0;
}

/* Específicos para cada tipo de contato */
.contact-method.email .contact-icon {
    background-image: url('assets/email.png');
}

.contact-method.phone .contact-icon {
    background-image: url('assets/whatsapp.png');
}

.contact-method.instagram .contact-icon {
    background-image: url('assets/instagram.png');
}

.contact-method span:last-child {
    display: inline-block;
}

/* Formulário */
.contact-form {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-backdrop);
    -webkit-backdrop-filter: var(--glass-backdrop);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    padding: 2rem;
    box-shadow: var(--glass-shadow);
}

.form-group {
    margin-bottom: 1.5rem;
}

/* Inputs de nome e email totalmente arredondados */
.form-group input {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 1px solid var(--glass-border);
    border-radius: 999px; /* totalmente arredondados */
    background: var(--glass-bg);
    backdrop-filter: var(--glass-backdrop);
    -webkit-backdrop-filter: var(--glass-backdrop);
    color: var(--text-primary);
    font-size: var(--font-size-base);
    transition: all 0.3s ease;
}

/* Textarea (mantém bordas suaves originais) */
.form-group textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg); /* não arredonda demais */
    background: var(--glass-bg);
    backdrop-filter: var(--glass-backdrop);
    -webkit-backdrop-filter: var(--glass-backdrop);
    color: var(--text-primary);
    font-size: var(--font-size-base);
    transition: all 0.3s ease;
    resize: vertical;
    min-height: 120px;
}

/* Efeito ao passar o mouse */
.form-group input:hover,
.form-group textarea:hover {
    border-color: #8b5cf6;
    box-shadow: 0 0 12px rgba(139, 92, 246, 0.4);
}

/* Efeito ao clicar/focar */
.form-group input:focus {
    outline: none;
    border-color: #8b5cf6;
    box-shadow: 0 0 20px rgba(139, 92, 246, 0.6);
}

.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.1);
}


/* Footer */
.footer {
    background: var(--bg-tertiary);
    padding: 3rem 1rem 1rem;
}

/* Container principal */
.footer-content {
    display: flex;
    flex-direction: column; /* mobile: empilha */
    align-items: center;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 2rem;
    text-align: center; /* centraliza textos no mobile */
}

/* Marca pessoal */
.footer-brand h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: 0.5rem;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-brand p {
    color: var(--text-secondary);
}

/* Redes sociais */
.footer-social {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap; /* deixa quebrar linha em telas pequenas */
    justify-content: center;
}

.footer-social a {
    width: 2.5rem;
    height: 2.5rem;
    background: var(--glass-bg);
    backdrop-filter: var(--glass-backdrop);
    -webkit-backdrop-filter: var(--glass-backdrop);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.footer-social a:hover {
    transform: translateY(-3px);
    box-shadow: var(--glass-shadow);
}

.footer-social img {
    width: 1.25rem;
    height: 1.25rem;
}

/* Rodapé inferior */
.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--glass-border);
    color: var(--text-muted);
    font-size: var(--font-size-sm);
}

/* WhatsApp Float */
.whatsapp-float {
    position: fixed;
    bottom: 1rem;       /* Distância do fundo */
    right: 1rem;        /* Agora canto inferior direito */
    width: 3.5rem;
    height: 3.5rem;
    background: #8B2BE3; /* Cor oficial do WhatsApp */
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 0 15px #8B2BE3;
    z-index: 999;
    animation: pulse 2s infinite;
    transition: transform 0.3s ease;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 0 25px #8B2BE3;
}

.whatsapp-float img {
    width: 1.8rem;
    height: 1.8rem;
    filter: drop-shadow(0 0 3px rgba(0,0,0,0.3));
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.6);
    }
    70% {
        box-shadow: 0 0 0 15px rgba(37, 211, 102, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0);
    }
}

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 2000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.modal.active {
    display: flex;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
}

.modal-content {
    background: var(--bg-secondary);
    border-radius: var(--radius-xl);
    max-width: 800px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    z-index: 1;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 2.5rem;
    height: 2.5rem;
    background: var(--glass-bg);
    backdrop-filter: var(--glass-backdrop);
    -webkit-backdrop-filter: var(--glass-backdrop);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: var(--font-size-xl);
    color: var(--text-primary);
    z-index: 2;
    transition: all var(--transition-fast);
}

.modal-close:hover {
    background: var(--accent-primary);
    color: white;
}

.modal-body {
    padding: 2rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    :root {
        --section-padding: 80px 0;
        --font-size-6xl: 2.5rem;
        --font-size-4xl: 1.875rem;
    }
    
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--bg-secondary);
        border: 1px solid var(--glass-border);
        border-radius: var(--radius-lg);
        margin: 1rem;
        padding: 1rem;
        flex-direction: column;
        gap: 0.5rem;
        box-shadow: var(--glass-shadow);
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
    
    .hero-visual {
        height: 300px;
    }
    
    .about-content,
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 1.5rem;
        text-align: center;
    }
    
    .whatsapp-float {
        bottom: 1rem;
        right: 1rem;
        width: 3rem;
        height: 3rem;
    }
    
    .whatsapp-float img {
        width: 1.5rem;
        height: 1.5rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }
    
    .hero-title {
        font-size: var(--font-size-4xl);
    }
    
    .hero-subtitle {
        font-size: var(--font-size-lg);
    }
    
    .btn {
        padding: 0.75rem 1.5rem;
        min-width: 120px;
    }
    
    .modal {
        padding: 1rem;
    }
    
    .modal-body {
        padding: 1.5rem;
    }
}

/* Scroll Animations */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

.slide-in-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: all 0.6s ease;
}

.slide-in-left.visible {
    opacity: 1;
    transform: translateX(0);
}

.slide-in-right {
    opacity: 0;
    transform: translateX(50px);
    transition: all 0.6s ease;
}

.slide-in-right.visible {
    opacity: 1;
    transform: translateX(0);
}

/* Loading Animation */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(139, 92, 246, 0.3);
    border-radius: 50%;
    border-top-color: var(--accent-primary);
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.about-title {
  font-size: 2.5rem;
  font-weight: bold;
  text-align: left; /* alinhado ao texto */
  margin-bottom: 1.5rem;

  /* Gradiente aplicado no texto */
  background: linear-gradient(90deg, #8b5cf6, #a78bfa);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;

  text-transform: uppercase;
  letter-spacing: 2px;
}

/* Ajuste do grid para responsividade */
@media (max-width: 768px) {
    .about-content {
        grid-template-columns: 1fr; /* 1 coluna */
        gap: 2rem;
    }

    .about-card {
        max-width: 90%;    /* ocupa menos espaço */
        margin: 0 auto;    /* centraliza */
        padding: 1.5rem;
    }

    .about-card img {
        width: 100px;
        height: 100px;
    }
}

@media (max-width: 480px) {
    .about-card {
        max-width: 90%;
        padding: 1rem;
    }

    .about-card img {
        width: 80px;
        height: 80px;
    }
}