:root {
    --primary-yellow: #FFD700;
    --secondary-yellow: #FFC107;
    --accent-yellow: #FFEB3B;
    --light-yellow: #FFF9C4;
    
    --pure-white: #FFFFFF;
    --off-white: #FAFAFA;
    --light-gray: #F5F5F5;
    
    --pure-black: #000000;
    --dark-black: #0A0A0A;
    --medium-black: #1A1A1A;
    --light-black: #2A2A2A;

    --dark-gray-bg: #1a1a1a; /* Fundo principal */
    --dark-gray-section-odd: #222222; /* Fundo para seções ímpares */
    --dark-gray-section-even: #2c2c2c; /* Fundo para seções pares */
    --dark-gray-card: #3a3a3a; /* Fundo para cards e elementos */
    --dark-gray-text: #e0e0e0; /* Texto claro para fundo escuro */
    --dark-gray-medium-text: #b0b0b0; /* Texto médio para fundo escuro */
    
    /* Gradientes Modernos */
    --gradient-primary: linear-gradient(135deg, var(--primary-yellow) 0%, var(--secondary-yellow) 100%);
    --gradient-dark: linear-gradient(135deg, var(--pure-black) 0%, var(--medium-black) 100%);
    --gradient-accent: linear-gradient(45deg, var(--primary-yellow), var(--accent-yellow), var(--secondary-yellow));
    --gradient-dark-bg: linear-gradient(180deg, #1a1a1a 0%, #0a0a0a 100%); 
    
    /* Sombras Modernas */
    --shadow-soft: 0 4px 20px rgba(0, 0, 0, 0.3);
    --shadow-medium: 0 8px 30px rgba(0, 0, 0, 0.4);
    --shadow-strong: 0 15px 50px rgba(0, 0, 0, 0.5);
    --shadow-yellow: 0 8px 25px rgba(255, 215, 0, 0.3);
    
    /* Tipografia Moderna */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', Consolas, monospace;
    
    /* Espaçamentos Responsivos */
    --space-xs: 0.4rem;
    --space-sm: 0.8rem;
    --space-md: 1.2rem;
    --space-lg: 1.8rem;
    --space-xl: 2.5rem;
    --space-2xl: 3.5rem;
    
    /* Transições Suaves */
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Bordas Modernas */
    --border-radius-sm: 6px;
    --border-radius-md: 10px;
    --border-radius-lg: 14px;
    --border-radius-xl: 20px;
}

/* ===== RESET MODERNO ===== */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-primary);
    line-height: 1.7;
    color: var(--dark-gray-text); 
    background: var(--dark-gray-bg); 
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ===== UTILITÁRIOS DE ACESSIBILIDADE ===== */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.skip-link {
    position: absolute;
    top: -40px;
    left: 6px;
    background: var(--primary-yellow);
    color: var(--pure-black);
    padding: 8px;
    text-decoration: none;
    border-radius: var(--border-radius-sm);
    z-index: 1000;
    font-weight: 600;
    transition: var(--transition-fast);
}

.skip-link:focus {
    top: 6px;
}

/* ===== CONTAINER E LAYOUT ===== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

@media (max-width: 768px) {
    .container {
        padding: 0 var(--space-sm);
    }
}

/* ===== TIPOGRAFIA MODERNA ===== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--space-md);
    color: var(--dark-gray-text); 
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    background: var(--gradient-accent);
    background-size: 200% 200%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientShift 3s ease-in-out infinite;
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    position: relative;
    text-align: center;
    margin-bottom: var(--space-xl);
    color: var(--dark-gray-text); 
}

h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

h3 {
    font-size: clamp(1.5rem, 3vw, 2rem);
    color: var(--dark-gray-text); 
}

p {
    margin-bottom: var(--space-md);
    color: var(--dark-gray-medium-text); 
    font-size: 1rem;
    line-height: 1.7;
}

/* ===== ANIMAÇÕES MODERNAS ===== */
@keyframes gradientShift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

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

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px); 
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.03); } 
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-8px); } 
}

/* ===== BOTÕES MODERNOS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-sm) var(--space-lg); 
    border: none;
    border-radius: var(--border-radius-md); 
    font-family: var(--font-primary);
    font-weight: 600;
    font-size: 0.95rem; 
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: var(--transition-slow);
    z-index: -1;
}

.btn:hover::before {
    left: 100%;
}

.primary-btn {
    background: var(--gradient-primary);
    color: var(--pure-black);
    box-shadow: var(--shadow-yellow);
}

.primary-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(255, 215, 0, 0.4);
}

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

.secondary-btn:hover {
    background: var(--primary-yellow);
    color: var(--pure-black);
    transform: translateY(-2px);
    box-shadow: var(--shadow-yellow);
}

/* ===== NAVEGAÇÃO PRINCIPAL ===== */
.main-nav {
    background: rgba(255, 255, 255, 0.05); /* Fundo translúcido para o modo escuro */
    box-shadow: var(--shadow-soft);
    position: sticky;
    top: 0;
    z-index: 100;
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 215, 0, 0.1);
}

.nav-list {
    display: flex;
    justify-content: center;
    list-style: none;
    padding: var(--space-sm) 0; 
    gap: var(--space-lg); 
}

.nav-list a {
    color: var(--dark-gray-text); 
    text-decoration: none;
    font-weight: 500;
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--border-radius-sm);
    transition: var(--transition-normal);
    position: relative;
}

.nav-list a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--primary-yellow);
    transition: var(--transition-normal);
    transform: translateX(-50%);
}

.nav-list a:hover::after {
    width: 100%;
}

.nav-list a:hover {
    color: var(--primary-yellow);
    background: rgba(255, 215, 0, 0.05);
}

@media (max-width: 768px) {
    .nav-list {
        flex-wrap: wrap;
        gap: var(--space-sm);
    }
}

/* ===== SEÇÃO HERO MODERNA ===== */
.hero-section {
    background: var(--gradient-dark-bg); 
    padding: var(--space-2xl) 0;
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(255, 215, 0, 0.08) 0%, transparent 50%), 
        radial-gradient(circle at 80% 20%, rgba(255, 215, 0, 0.08) 0%, transparent 50%); 
    pointer-events: none;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--space-2xl);
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-image {
    position: relative;
    width: 100%;
    max-width: 350px; 
    aspect-ratio: 4/5;
    border-radius: var(--border-radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-strong);
    border: 4px solid var(--primary-yellow);
    transition: var(--transition-slow);
    animation: float 6s ease-in-out infinite;
}

.hero-image:hover {
    transform: scale(1.01) rotate(0.5deg);
    box-shadow: 0 15px 45px rgba(0, 0, 0, 0.4);
}

.hero-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

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

.hero-text {
    animation: slideInRight 1s ease-out;
}

.hero-text .highlighted-name {
    margin-bottom: var(--space-sm);
    text-align: left;
    color: var(--dark-gray-text);
}

.hero-text .subtitle {
    font-size: clamp(1.1rem, 2.2vw, 1.6rem);
    color: var(--dark-gray-medium-text);
    font-weight: 500;
    margin-bottom: var(--space-lg);
    text-align: left;
}

.hero-text .hero-description {
    font-size: 1.1rem; 
    line-height: 1.7;
    margin-bottom: var(--space-xl);
    color: var(--dark-gray-medium-text); 
}

.hero-buttons {
    display: flex;
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
    flex-wrap: wrap;
    align-items: center; 
}

.social-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 45px; 
    height: 45px;
    background: var(--gradient-primary);
    color: var(--pure-black);
    border-radius: 50%;
    font-size: 1.3rem; 
    transition: var(--transition-normal);
    box-shadow: var(--shadow-medium);
    padding: 0; 
}

.social-btn:hover {
    transform: translateY(-2px) scale(1.08);
    box-shadow: var(--shadow-yellow);
    animation: pulse 0.6s ease-in-out;
}

@media (max-width: 768px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--space-xl);
    }
    
    .hero-image {
        max-width: 280px; 
        margin: 0 auto;
    }
}

/* ===== SEÇÕES GERAIS ===== */
section {
    padding: var(--space-xl) 0; 
    position: relative;
}

section:nth-child(even) {
    background: var(--dark-gray-section-even); 
}

section:nth-child(odd) {
    background: var(--dark-gray-section-odd); 
}

/* ===== SEÇÃO SOBRE ===== */
.about-section .about-content {
    max-width: 800px; 
    margin: 0 auto;
    text-align: justify;
}

.about-content p {
    font-size: 1.1rem; 
    line-height: 1.8;
    margin-bottom: var(--space-md);
    color: var(--dark-gray-medium-text); 
}

.about-content strong {
    color: var(--primary-yellow);
    background: linear-gradient(135deg, var(--primary-yellow), var(--secondary-yellow));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
}

/* ===== SEÇÃO PROJETOS ===== */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); 
    gap: var(--space-lg); 
    margin-top: var(--space-lg); 
}

.portfolio-item {
    background: var(--dark-gray-card); 
    border-radius: var(--border-radius-md); 
    overflow: hidden;
    box-shadow: var(--shadow-medium);
    transition: var(--transition-normal);
    border: 1px solid rgba(255, 215, 0, 0.15); 
    position: relative;
}

.portfolio-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px; 
    background: var(--gradient-primary);
}

.portfolio-item:hover {
    transform: translateY(-6px); 
    box-shadow: var(--shadow-strong);
    border-color: var(--primary-yellow);
}

.portfolio-image {
    position: relative;
    overflow: hidden;
    height: 180px; 
}

.portfolio-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

.portfolio-item:hover img {
    transform: scale(1.08); 
}

.portfolio-content {
    padding: var(--space-md); 
}

.portfolio-content h3 {
    color: var(--dark-gray-text); 
    margin-bottom: var(--space-sm);
    font-size: 1.3rem; 
}

.portfolio-content p {
    color: var(--dark-gray-medium-text); 
    margin-bottom: var(--space-md);
    line-height: 1.6;
    font-size: 0.95rem; 
}

.portfolio-tags {
    display: flex;
    gap: var(--space-xs);
    margin-bottom: var(--space-md); 
    flex-wrap: wrap;
}

.tag {
    background: var(--light-yellow);
    color: var(--pure-black);
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--border-radius-sm);
    font-size: 0.8rem; 
    font-weight: 500;
    border: 1px solid var(--primary-yellow);
}

.view-project-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    background: var(--gradient-primary);
    color: var(--pure-black);
    padding: var(--space-xs) var(--space-md); 
    border-radius: var(--border-radius-sm);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition-normal);
    box-shadow: var(--shadow-soft);
    font-size: 0.9rem;
}

.view-project-btn:hover {
    transform: translateY(-1px); 
    box-shadow: var(--shadow-yellow);
}

/* ===== SEÇÃO HABILIDADES ===== */
.skills-categories {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); 
    gap: var(--space-lg); 
    margin-top: var(--space-lg); 
}

.skill-category {
    background: var(--dark-gray-card); 
    padding: var(--space-lg); 
    border-radius: var(--border-radius-md); 
    box-shadow: var(--shadow-medium);
    border-top: 3px solid var(--primary-yellow); 
    transition: var(--transition-normal);
}

.skill-category:hover {
    transform: translateY(-4px); 
    box-shadow: var(--shadow-strong);
}

.skill-category h3 {
    text-align: center;
    margin-bottom: var(--space-md); 
    color: var(--dark-gray-text); 
}

.skills-grid {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
    justify-content: center;
}

.skill-tag {
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--border-radius-xl);
    font-size: 0.8rem; 
    font-weight: 500;
    transition: var(--transition-normal);
    cursor: default;
    border: 2px solid transparent;
}

.skill-tag.personal {
    background: linear-gradient(135deg, var(--primary-yellow), var(--secondary-yellow));
    color: var(--pure-black);
}

.skill-tag.professional {
    background: var(--pure-black);
    color: var(--primary-yellow);
}

.skill-tag.technical {
    background: var(--dark-gray-section-even); 
    color: var(--primary-yellow);
    border-color: var(--primary-yellow);
}

.skill-tag:hover {
    transform: scale(1.03); 
    box-shadow: var(--shadow-medium);
}

/* ===== SEÇÃO FORMAÇÃO ===== */
.education-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); 
    gap: var(--space-lg); 
    margin-top: var(--space-lg); 
}

.education-item {
    display: flex;
    gap: var(--space-md);
    background: var(--dark-gray-card); 
    padding: var(--space-lg); 
    border-radius: var(--border-radius-md); 
    box-shadow: var(--shadow-medium);
    transition: var(--transition-normal);
    border-left: 3px solid var(--primary-yellow); 
}

.education-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-strong);
}

.education-icon {
    flex-shrink: 0;
    width: 50px;
    height: 50px; 
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem; 
    color: var(--pure-black);
}

.education-content h3 {
    color: var(--dark-gray-text); 
    margin-bottom: var(--space-sm);
    font-size: 1.2rem; 
}

.institution {
    color: var(--primary-yellow);
    font-weight: 600;
    margin-bottom: var(--space-xs);
    font-size: 0.95rem;
}

.period {
    color: var(--dark-gray-medium-text); 
    font-size: 0.85rem; 
    font-style: italic;
}

/* ===== SEÇÃO EXPERIÊNCIA - TIMELINE ===== */
.experience-timeline {
    position: relative;
    max-width: 900px; 
    margin: var(--space-xl) auto;
}

.experience-timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 3px; 
    background: var(--gradient-primary);
    transform: translateX(-50%);
    border-radius: 2px;
}

.timeline-item {
    position: relative;
    width: 50%;
    padding: var(--space-md); 
    margin-bottom: var(--space-lg); 
}

.timeline-item:nth-child(odd) {
    left: 0;
    padding-right: var(--space-xl); 
}

.timeline-item:nth-child(even) {
    left: 50%;
    padding-left: var(--space-xl); 
}

.timeline-item::before {
    content: '';
    position: absolute;
    top: 25px; 
    width: 16px; 
    height: 16px; 
    background: var(--primary-yellow);
    border: 3px solid var(--dark-gray-bg); 
    border-radius: 50%;
    box-shadow: var(--shadow-medium);
    z-index: 2;
}

.timeline-item:nth-child(odd)::before {
    right: -8px; 
}

.timeline-item:nth-child(even)::before {
    left: -8px; 
}

.timeline-item-content {
    background: var(--dark-gray-card); 
    padding: var(--space-md); 
    border-radius: var(--border-radius-md); 
    box-shadow: var(--shadow-medium);
    transition: var(--transition-normal);
    border: 1px solid rgba(255, 215, 0, 0.15);
    position: relative;
}

.timeline-item-content::before {
    content: '';
    position: absolute;
    top: 25px; 
    width: 0;
    height: 0;
    border: 12px solid transparent; 
}

.timeline-item:nth-child(odd) .timeline-item-content::before {
    right: -24px; 
    border-left-color: var(--dark-gray-card);
}

.timeline-item:nth-child(even) .timeline-item-content::before {
    left: -24px;
    border-right-color: var(--dark-gray-card);
}

.timeline-item-content:hover {
    transform: translateY(-3px); 
    box-shadow: var(--shadow-strong);
    border-color: var(--primary-yellow);
}

.timeline-date {
    background: var(--gradient-primary);
    color: var(--pure-black);
    padding: var(--space-xs) var(--space-sm); 
    border-radius: var(--border-radius-xl);
    font-size: 0.85rem; 
    font-weight: 600;
    display: inline-block;
    margin-bottom: var(--space-sm); 
}

.timeline-item h3 {
    color: var(--dark-gray-text);
    margin-bottom: var(--space-xs);
    font-size: 1.2rem; 
}

.company {
    color: var(--primary-yellow);
    font-weight: 600;
    margin-bottom: var(--space-sm); 
    font-size: 0.95rem; 
}

.description {
    color: var(--dark-gray-medium-text); 
    line-height: 1.6;
    margin-bottom: var(--space-md);
    font-size: 0.9rem; 
}

.timeline-skills {
    display: flex;
    gap: var(--space-xs);
    flex-wrap: wrap;
}

.timeline-tag {
    background: var(--light-yellow);
    color: var(--pure-black);
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--border-radius-sm);
    font-size: 0.75rem; 
    font-weight: 500;
    border: 1px solid var(--primary-yellow);
}

@media (max-width: 768px) {
    .experience-timeline::before {
        left: 20px; 
    }
    
    .timeline-item {
        width: 100%;
        left: 0 !important;
        padding-left: var(--space-xl); 
        padding-right: var(--space-md);
    }
    
    .timeline-item::before {
        left: 15px !important; 
    }
    
    .timeline-item-content::before {
        left: -24px !important; 
        border-right-color: var(--dark-gray-card) !important; 
        border-left-color: transparent !important;
    }
}

/* ===== SEÇÃO CONTATO ===== */
.contact-section {
    background: var(--gradient-dark-bg); 
    position: relative;
}

.contact-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 30% 70%, rgba(255, 215, 0, 0.04) 0%, transparent 50%), 
        radial-gradient(circle at 70% 30%, rgba(255, 215, 0, 0.04) 0%, transparent 50%);
    pointer-events: none;
}

.contact-intro-text {
    text-align: center;
    font-size: 1.1rem; 
    color: var(--dark-gray-medium-text); 
    margin-bottom: var(--space-xl); 
    max-width: 500px; 
    margin-left: auto;
    margin-right: auto;
}

.contact-content-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl); 
    max-width: 900px; 
    margin: 0 auto;
    background: var(--dark-gray-card); 
    padding: var(--space-xl); 
    border-radius: var(--border-radius-lg); 
    box-shadow: var(--shadow-strong);
    border: 1px solid rgba(255, 215, 0, 0.15); 
    position: relative;
    z-index: 2;
}

.contact-info-block h3 {
    color: var(--dark-gray-text); 
    margin-bottom: var(--space-md); 
    text-align: left;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm); 
    margin-bottom: var(--space-md); 
    padding: var(--space-sm); 
    background: var(--dark-gray-section-even); 
    border-radius: var(--border-radius-sm); 
    transition: var(--transition-normal);
}

.contact-item:hover {
    background: var(--dark-gray-section-even); 
    transform: translateX(3px); 
}

.contact-item .icon {
    flex-shrink: 0;
    width: 35px; 
    height: 35px; 
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--pure-black);
    font-size: 1.1rem; 
}

.contact-item div {
    flex: 1;
}

.contact-item strong {
    display: block;
    color: var(--dark-gray-text); 
    margin-bottom: var(--space-xs);
    font-weight: 600;
    font-size: 0.95rem; 
}

.contact-item a {
    color: var(--dark-gray-medium-text); 
    text-decoration: none;
    transition: var(--transition-normal);
    font-size: 0.9rem; 
}

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

/* ===== FORMULÁRIO DE CONTATO ===== */
.contact-form-modern h3 {
    color: var(--dark-gray-text); 
    margin-bottom: var(--space-md); 
    text-align: left;
}

.form-group {
    margin-bottom: var(--space-md); 
}

.contact-form-modern input,
.contact-form-modern textarea {
    width: 100%;
    padding: var(--space-sm); 
    border: 2px solid rgba(255, 215, 0, 0.2); 
    border-radius: var(--border-radius-md); 
    font-family: var(--font-primary);
    font-size: 0.95rem; 
    background: var(--dark-gray-section-even); 
    color: var(--dark-gray-text); 
    transition: var(--transition-normal);
    resize: vertical;
}

.contact-form-modern input:focus,
.contact-form-modern textarea:focus {
    outline: none;
    border-color: var(--primary-yellow);
    background: var(--dark-gray-card); 
    box-shadow: 0 0 0 3px rgba(255, 215, 0, 0.1);
}

.contact-form-modern input::placeholder,
.contact-form-modern textarea::placeholder {
    color: var(--dark-gray-medium-text); 
}

.contact-form-modern button {
    width: 100%;
    margin-top: var(--space-md);
}

@media (max-width: 768px) {
    .contact-content-wrapper {
        grid-template-columns: 1fr;
        gap: var(--space-lg); 
        padding: var(--space-md); 
    }
}

/* ===== RODAPÉ ===== */
footer {
    background: var(--pure-black);
    color: var(--dark-gray-text); 
    padding: var(--space-xl) 0; 
    text-align: center;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-md); 
}

.footer-info p {
    margin-bottom: var(--space-xs);
    color: var(--dark-gray-medium-text); 
    font-size: 0.9rem; 
}

.footer-subtitle {
    color: var(--primary-yellow);
    font-size: 0.8rem; 
}

.footer-social {
    display: flex;
    gap: var(--space-sm); 
}

.footer-social a {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    color: var(--dark-gray-text); 
    text-decoration: none;
    padding: var(--space-xs) var(--space-sm); 
    border-radius: var(--border-radius-md); 
    transition: var(--transition-normal);
    border: 1px solid rgba(255, 215, 0, 0.2); 
    font-size: 0.9rem; 
}

.footer-social a:hover {
    background: var(--primary-yellow);
    color: var(--pure-black);
    transform: translateY(-1px); 
}

@media (max-width: 768px) {
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
}

/* ===== BOTÃO VOLTAR AO TOPO ===== */
.back-to-top {
    position: fixed;
    bottom: 20px; 
    right: 20px; 
    width: 45px; 
    height: 45px; 
    background: var(--gradient-primary);
    color: var(--pure-black);
    border: none;
    border-radius: 50%;
    font-size: 1.1rem; 
    cursor: pointer;
    transition: var(--transition-normal);
    box-shadow: var(--shadow-medium);
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transform: translateY(15px); 
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    transform: translateY(-2px) scale(1.08); 
    box-shadow: var(--shadow-yellow);
}

/* ===== ANIMAÇÕES DE ENTRADA ===== */
.animate-in {
    animation: fadeInUp 0.7s ease-out forwards; 
}

.portfolio-item:nth-child(1) { animation-delay: 0.05s; } 
.portfolio-item:nth-child(2) { animation-delay: 0.1s; } 
.portfolio-item:nth-child(3) { animation-delay: 0.15s; } 

.education-item:nth-child(1) { animation-delay: 0.05s; } 
.education-item:nth-child(2) { animation-delay: 0.1s; } 
.education-item:nth-child(3) { animation-delay: 0.15s; } 
.education-item:nth-child(4) { animation-delay: 0.2s; } 
.education-item:nth-child(5) { animation-delay: 0.25s; } 
.education-item:nth-child(6) { animation-delay: 0.3s; } 

.timeline-item:nth-child(odd) {
    animation: slideInLeft 0.7s ease-out forwards; 
}

.timeline-item:nth-child(even) {
    animation: slideInRight 0.7s ease-out forwards; 
}

.skill-category:nth-child(1) { animation-delay: 0.05s; } 
.skill-category:nth-child(2) { animation-delay: 0.1s; } 
.skill-category:nth-child(3) { animation-delay: 0.15s; } 

/* ===== RESPONSIVIDADE AVANÇADA ===== */
@media (max-width: 1200px) {
    .container {
        max-width: 95%;
    }
}

@media (max-width: 768px) {
    :root {
        --space-xs: 0.25rem;
        --space-sm: 0.6rem;
        --space-md: 1rem;
        --space-lg: 1.5rem;
        --space-xl: 2rem;
        --space-2xl: 2.5rem;
    }
    
    .hero-section {
        padding: var(--space-xl) 0;
        min-height: auto;
    }
    
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
    
    .skills-categories {
        grid-template-columns: 1fr;
    }
    
    .education-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .nav-list {
        padding: var(--space-sm) 0;
    }
}

@media (max-width: 480px) {
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .contact-item {
        flex-direction: column;
        text-align: center;
    }
    
    .timeline-item {
        padding-left: var(--space-lg);
    }
}

/* ===== PERFORMANCE E OTIMIZAÇÕES ===== */
* {
    will-change: auto;
}

.hero-image,
.portfolio-item,
.education-item,
.timeline-item-content,
.btn {
    will-change: transform;
}

/* ===== PRINT STYLES ===== */
@media print {
    .main-nav,
    .hero-social-links,
    .back-to-top,
    .contact-form-modern {
        display: none;
    }
    
    body {
        background: white;
        color: black;
    }
    
    .hero-section,
    section {
        break-inside: avoid;
    }
}