/* ========================================
   Variáveis CSS - Paleta Premium
   ======================================== */
:root {
    --gold-primary: #D4AF37;
    --gold-light: #E8D5A3;
    --gold-dark: #B8960C;
    --black-primary: #0D0D0D;
    --black-secondary: #1A1A1A;
    --black-tertiary: #262626;
    --gray-light: #F5F5F5;
    --gray-medium: #A0A0A0;
    --white: #FFFFFF;
    
    --font-display: 'Playfair Display', serif;
    --font-body: 'Inter', sans-serif;
    
    --transition-smooth: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: all 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    
    --shadow-soft: 0 4px 20px rgba(0, 0, 0, 0.1);
    --shadow-medium: 0 8px 30px rgba(0, 0, 0, 0.15);
    --shadow-strong: 0 15px 50px rgba(0, 0, 0, 0.25);
    --shadow-gold: 0 8px 30px rgba(212, 175, 55, 0.3);
}

/* ========================================
   Reset e Estilos Base
   ======================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: var(--font-body);
    background-color: var(--black-primary);
    color: var(--gray-light);
    line-height: 1.7;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-smooth);
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
}

/* Cursor Personalizado */
.cursor {
    width: 8px;
    height: 8px;
    background: var(--gold-primary);
    border-radius: 50%;
    position: fixed;
    pointer-events: none;
    z-index: 10000;
    transition: transform 0.1s ease, opacity 0.3s ease;
    mix-blend-mode: difference;
}

.cursor-follower {
    width: 40px;
    height: 40px;
    border: 1px solid var(--gold-primary);
    border-radius: 50%;
    position: fixed;
    pointer-events: none;
    z-index: 9999;
    transition: transform 0.15s ease, opacity 0.3s ease;
    opacity: 0.5;
}

.cursor.hover {
    transform: scale(2);
}

.cursor-follower.hover {
    transform: scale(0.8);
    opacity: 0.3;
}

/* ========================================
   Container
   ======================================== */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ========================================
   Botões
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 16px 40px;
    font-family: var(--font-body);
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    border-radius: 0;
    cursor: pointer;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.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: left 0.5s ease;
}

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

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

.btn-primary:hover {
    background: transparent;
    color: var(--gold-primary);
    transform: translateY(-3px);
    box-shadow: var(--shadow-gold);
}

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

.btn-secondary:hover {
    background: var(--gold-primary);
    color: var(--black-primary);
    transform: translateY(-3px);
}

.btn-full {
    width: 100%;
}

/* ========================================
   Navbar
   ======================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 20px 0;
    transition: var(--transition-smooth);
}

.navbar.scrolled {
    background: rgba(13, 13, 13, 0.95);
    backdrop-filter: blur(20px);
    padding: 15px 0;
    box-shadow: var(--shadow-medium);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
}

.logo-initials {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--gold-primary);
    background: transparent;
    border: 2px solid var(--gold-primary);
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-smooth);
}

.logo:hover .logo-initials {
    background: var(--gold-primary);
    color: var(--black-primary);
}

.nav-menu {
    display: flex;
    gap: 40px;
}

.nav-link {
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--gray-light);
    position: relative;
    padding: 10px 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gold-primary);
    transition: var(--transition-smooth);
}

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

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

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
}

.nav-toggle span {
    width: 25px;
    height: 2px;
    background: var(--gold-primary);
    transition: var(--transition-smooth);
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(ellipse at 20% 50%, rgba(212, 175, 55, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 50%, rgba(212, 175, 55, 0.05) 0%, transparent 50%),
        var(--black-primary);
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, transparent 0%, rgba(0,0,0,0.3) 100%);
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: 0 24px;
    max-width: 1000px;
}

.hero-subtitle {
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 4px;
    text-transform: uppercase;
    color: var(--gold-primary);
    margin-bottom: 20px;
    opacity: 0;
    animation: fadeInUp 1s ease forwards;
    animation-delay: 0.3s;
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(3rem, 8vw, 6rem);
    font-weight: 400;
    color: var(--white);
    margin-bottom: 24px;
    line-height: 1.1;
    opacity: 0;
    animation: fadeInUp 1s ease forwards;
    animation-delay: 0.5s;
}

.gold-text {
    color: var(--gold-primary);
    background: linear-gradient(135deg, var(--gold-light), var(--gold-primary), var(--gold-dark));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 1.1rem;
    color: var(--gray-medium);
    max-width: 600px;
    margin: 0 auto 40px;
    opacity: 0;
    animation: fadeInUp 1s ease forwards;
    animation-delay: 0.7s;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin-bottom: 60px;
    opacity: 0;
    animation: fadeInUp 1s ease forwards;
    animation-delay: 0.9s;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 60px;
    opacity: 0;
    animation: fadeInUp 1s ease forwards;
    animation-delay: 1.1s;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 600;
    color: var(--gold-primary);
    display: block;
}

.stat-label {
    font-size: 0.8rem;
    color: var(--gray-medium);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    opacity: 0;
    animation: fadeInUp 1s ease forwards;
    animation-delay: 1.3s;
}

.mouse {
    width: 26px;
    height: 40px;
    border: 2px solid var(--gray-medium);
    border-radius: 20px;
    position: relative;
}

.wheel {
    width: 4px;
    height: 8px;
    background: var(--gold-primary);
    border-radius: 2px;
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll 2s infinite;
}

.scroll-indicator p {
    font-size: 0.75rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--gray-medium);
}

/* ========================================
   Section Headers
   ======================================== */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-label {
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 4px;
    text-transform: uppercase;
    color: var(--gold-primary);
    display: block;
    margin-bottom: 15px;
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 400;
    color: var(--white);
}

/* ========================================
   About Section
   ======================================== */
.about {
    padding: 120px 0;
    background: var(--black-secondary);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 80px;
    align-items: center;
}

.about-image {
    position: relative;
}

.image-frame {
    position: relative;
    width: 100%;
    aspect-ratio: 4/5;
    background: var(--black-tertiary);
    overflow: hidden;
}

.image-frame::before {
    content: '';
    position: absolute;
    top: 20px;
    left: 20px;
    right: -20px;
    bottom: -20px;
    border: 2px solid var(--gold-primary);
    z-index: -1;
}

.image-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--black-tertiary) 0%, var(--black-primary) 100%);
}

.image-placeholder span {
    font-family: var(--font-display);
    font-size: 8rem;
    font-weight: 600;
    color: var(--gold-primary);
    opacity: 0.3;
}

.experience-badge {
    position: absolute;
    bottom: -30px;
    right: -30px;
    width: 140px;
    height: 140px;
    background: var(--gold-primary);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 20px;
}

.experience-badge .years {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 700;
    color: var(--black-primary);
    line-height: 1;
}

.experience-badge .text {
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--black-primary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.about-text h3 {
    font-family: var(--font-display);
    font-size: 1.8rem;
    font-weight: 500;
    color: var(--white);
    margin-bottom: 10px;
}

.about-text .location {
    color: var(--gold-primary);
    font-size: 0.95rem;
    margin-bottom: 25px;
}

.about-description {
    color: var(--gray-medium);
    margin-bottom: 20px;
    font-size: 1rem;
}

.contact-info {
    display: flex;
    gap: 40px;
    margin-top: 30px;
    padding-top: 30px;
    border-top: 1px solid rgba(212, 175, 55, 0.2);
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--gray-light);
}

.contact-item .icon {
    color: var(--gold-primary);
    font-size: 1.2rem;
}

/* ========================================
   Expertise Section
   ======================================== */
.expertise {
    padding: 120px 0;
    background: var(--black-primary);
}

.expertise-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.expertise-card {
    background: var(--black-secondary);
    padding: 50px 40px;
    border: 1px solid rgba(212, 175, 55, 0.1);
    position: relative;
    overflow: hidden;
    transition: var(--transition-smooth);
}

.expertise-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--gold-dark), var(--gold-primary), var(--gold-light));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.5s ease;
}

.expertise-card:hover {
    transform: translateY(-10px);
    border-color: rgba(212, 175, 55, 0.3);
    box-shadow: var(--shadow-gold);
}

.expertise-card:hover::before {
    transform: scaleX(1);
}

.card-icon {
    font-size: 3rem;
    margin-bottom: 25px;
}

.expertise-card h3 {
    font-family: var(--font-display);
    font-size: 1.4rem;
    font-weight: 500;
    color: var(--white);
    margin-bottom: 25px;
}

.expertise-card ul {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.expertise-card li {
    color: var(--gray-medium);
    font-size: 0.95rem;
    padding-left: 20px;
    position: relative;
}

.expertise-card li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--gold-primary);
}

/* ========================================
   Experience Section
   ======================================== */
.experience {
    padding: 120px 0;
    background: var(--black-secondary);
}

.timeline {
    max-width: 900px;
    margin: 0 auto;
}

.timeline-item {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 40px;
    padding: 40px 0;
    border-bottom: 1px solid rgba(212, 175, 55, 0.1);
    opacity: 0;
    transform: translateX(-30px);
    transition: all 0.6s ease;
}

.timeline-item.visible {
    opacity: 1;
    transform: translateX(0);
}

.timeline-date {
    text-align: right;
}

.timeline-date .date {
    display: block;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--gold-primary);
    margin-bottom: 5px;
}

.timeline-date .duration {
    font-size: 0.8rem;
    color: var(--gray-medium);
}

.timeline-content {
    position: relative;
    padding-left: 30px;
}

.timeline-content::before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    width: 12px;
    height: 12px;
    background: var(--gold-primary);
    border-radius: 50%;
    box-shadow: 0 0 0 4px rgba(212, 175, 55, 0.2);
}

.timeline-content h3 {
    font-family: var(--font-display);
    font-size: 1.3rem;
    font-weight: 500;
    color: var(--white);
    margin-bottom: 5px;
}

.timeline-content .company {
    color: var(--gold-primary);
    font-size: 0.95rem;
    margin-bottom: 20px;
}

.timeline-content ul {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.timeline-content li {
    color: var(--gray-medium);
    font-size: 0.95rem;
    padding-left: 20px;
    position: relative;
}

.timeline-content li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--gold-primary);
}

/* ========================================
   Education Section
   ======================================== */
.education {
    padding: 120px 0;
    background: var(--black-primary);
}

.education-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.education-card {
    background: var(--black-secondary);
    padding: 40px 30px;
    border: 1px solid rgba(212, 175, 55, 0.1);
    text-align: center;
    transition: var(--transition-smooth);
}

.education-card:hover {
    transform: translateY(-8px);
    border-color: rgba(212, 175, 55, 0.3);
    box-shadow: var(--shadow-gold);
}

.edu-icon {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.education-card h3 {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--white);
    margin-bottom: 10px;
}

.edu-institution {
    color: var(--gold-primary);
    font-size: 0.9rem;
    margin-bottom: 5px;
}

.edu-period {
    color: var(--gray-medium);
    font-size: 0.85rem;
}

/* ========================================
   Publications Section
   ======================================== */
.publications {
    padding: 120px 0;
    background: var(--black-secondary);
}

.publications-list {
    max-width: 900px;
    margin: 0 auto;
}

.publication-item {
    display: grid;
    grid-template-columns: 80px 1fr;
    gap: 30px;
    padding: 30px 0;
    border-bottom: 1px solid rgba(212, 175, 55, 0.1);
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.publication-item.visible {
    opacity: 1;
    transform: translateY(0);
}

.pub-year {
    font-family: var(--font-display);
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--gold-primary);
}

.pub-content h3 {
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--white);
    margin-bottom: 10px;
    line-height: 1.5;
}

.pub-authors {
    color: var(--gray-medium);
    font-size: 0.9rem;
    margin-bottom: 8px;
    font-style: italic;
}

.pub-journal {
    color: var(--gray-light);
    font-size: 0.95rem;
    margin-bottom: 10px;
}

.pub-link {
    color: var(--gold-primary);
    font-size: 0.85rem;
    text-decoration: underline;
}

.pub-link:hover {
    color: var(--gold-light);
}

/* ========================================
   Languages Section
   ======================================== */
.languages {
    padding: 80px 0;
    background: var(--black-primary);
}

.languages-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
    max-width: 800px;
    margin: 0 auto;
}

.language-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 30px;
    background: var(--black-secondary);
    border: 1px solid rgba(212, 175, 55, 0.1);
}

.lang-flag {
    font-size: 3rem;
    margin-bottom: 15px;
}

.language-card h3 {
    font-family: var(--font-display);
    font-size: 1.3rem;
    color: var(--white);
    margin-bottom: 5px;
}

.lang-level {
    color: var(--gold-primary);
    font-size: 0.95rem;
    margin-bottom: 10px;
}

.lang-detail {
    color: var(--gray-medium);
    font-size: 0.85rem;
    margin-bottom: 15px;
}

.lang-bar {
    width: 100%;
    height: 4px;
    background: var(--black-tertiary);
    border-radius: 2px;
    overflow: hidden;
}

.lang-progress {
    height: 100%;
    background: linear-gradient(90deg, var(--gold-dark), var(--gold-primary));
    border-radius: 2px;
    transition: width 1s ease;
}

/* ========================================
   Contact Section
   ======================================== */
.contact {
    padding: 120px 0;
    background: var(--black-secondary);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 80px;
}

.contact-intro {
    color: var(--gray-medium);
    font-size: 1rem;
    margin-bottom: 40px;
    line-height: 1.8;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.contact-method {
    display: flex;
    align-items: flex-start;
    gap: 20px;
}

.method-icon {
    font-size: 1.5rem;
    color: var(--gold-primary);
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(212, 175, 55, 0.1);
    border: 1px solid rgba(212, 175, 55, 0.2);
}

.method-info h4 {
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--gold-primary);
    margin-bottom: 5px;
}

.method-info a,
.method-info p {
    color: var(--gray-light);
    font-size: 1rem;
}

.method-info a:hover {
    color: var(--gold-primary);
}

/* Formulário */
.contact-form {
    background: var(--black-primary);
    padding: 50px;
    border: 1px solid rgba(212, 175, 55, 0.1);
}

.form-group {
    position: relative;
    margin-bottom: 30px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px 0;
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--white);
    background: transparent;
    border: none;
    border-bottom: 2px solid var(--black-tertiary);
    outline: none;
    transition: var(--transition-smooth);
}

.form-group label {
    position: absolute;
    top: 15px;
    left: 0;
    font-size: 1rem;
    color: var(--gray-medium);
    pointer-events: none;
    transition: var(--transition-smooth);
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--gold-primary);
}

.form-group input:focus + label,
.form-group input:not(:placeholder-shown) + label,
.form-group textarea:focus + label,
.form-group textarea:not(:placeholder-shown) + label {
    top: -10px;
    font-size: 0.8rem;
    color: var(--gold-primary);
}

/* ========================================
   Footer
   ======================================== */
.footer {
    padding: 60px 0 30px;
    background: var(--black-primary);
    border-top: 1px solid rgba(212, 175, 55, 0.1);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 30px;
    margin-bottom: 30px;
    border-bottom: 1px solid rgba(212, 175, 55, 0.1);
}

.footer-logo .logo-initials {
    width: 40px;
    height: 40px;
    font-size: 1.2rem;
    margin-bottom: 10px;
}

.footer-logo p {
    font-family: var(--font-display);
    font-size: 1.2rem;
    color: var(--white);
}

.footer-social {
    display: flex;
    gap: 15px;
}

.social-link {
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(212, 175, 55, 0.3);
    color: var(--gold-primary);
    font-size: 0.9rem;
    font-weight: 600;
    transition: var(--transition-smooth);
}

.social-link:hover {
    background: var(--gold-primary);
    color: var(--black-primary);
}

.footer-bottom {
    text-align: center;
}

.footer-bottom p {
    font-size: 0.85rem;
    color: var(--gray-medium);
}

/* ========================================
   Animações
   ======================================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes scroll {
    0% {
        transform: translateX(-50%) translateY(0);
        opacity: 1;
    }
    100% {
        transform: translateX(-50%) translateY(15px);
        opacity: 0;
    }
}

@keyframes pulse {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(212, 175, 55, 0.4);
    }
    50% {
        box-shadow: 0 0 0 10px rgba(212, 175, 55, 0);
    }
}

/* ========================================
   Responsividade
   ======================================== */
@media (max-width: 1024px) {
    .expertise-grid,
    .education-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 60px;
    }
    
    .about-image {
        max-width: 400px;
        margin: 0 auto;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 50px;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 100%;
        height: 100vh;
        background: var(--black-primary);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 30px;
        transition: var(--transition-smooth);
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .nav-toggle {
        display: flex;
        z-index: 1001;
    }
    
    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 30px;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .expertise-grid,
    .education-grid,
    .languages-grid {
        grid-template-columns: 1fr;
    }
    
    .timeline-item {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .timeline-date {
        text-align: left;
    }
    
    .timeline-content {
        padding-left: 25px;
    }
    
    .publication-item {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .pub-year {
        text-align: left;
    }
    
    .contact-info {
        flex-direction: column;
        gap: 20px;
    }
    
    .contact-form {
        padding: 30px;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 30px;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }
    
    .nav-container {
        padding: 0 20px;
    }
    
    .btn {
        padding: 14px 30px;
        font-size: 0.8rem;
    }
    
    .about-text h3 {
        font-size: 1.4rem;
    }
    
    .expertise-card,
    .education-card {
        padding: 30px 25px;
    }
    
    .experience-badge {
        width: 100px;
        height: 100px;
        bottom: -20px;
        right: -20px;
    }
    
    .experience-badge .years {
        font-size: 2rem;
    }
    
    .experience-badge .text {
        font-size: 0.6rem;
    }
}

/* ========================================
   Utilitários
   ======================================== */
.gold-gradient {
    background: linear-gradient(135deg, var(--gold-light), var(--gold-primary), var(--gold-dark));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.text-center {
    text-align: center;
}

.mb-0 { margin-bottom: 0; }
.mb-20 { margin-bottom: 20px; }
.mb-40 { margin-bottom: 40px; }
.mb-60 { margin-bottom: 60px; }