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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: #ffffff;
    background-color: #000000;
    overflow-x: hidden;
}

/* Neural Network Background */
.neural-network {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: #000000;
}

.neural-network canvas {
    width: 100%;
    height: 100%;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(10px);
    z-index: 1000;
    transition: all 0.3s ease;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-logo span {
    font-size: 24px;
    font-weight: 700;
    color: #FFD700;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-link {
    color: #ffffff;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: #FFD700;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: #FFD700;
    transition: width 0.3s ease;
}

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

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: #FFD700;
    margin: 3px 0;
    transition: 0.3s;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Sections */
.section {
    padding: 100px 0;
    position: relative;
}

.section-dark {
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
}

.section-title {
    font-size: 3rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 60px;
    color: #FFD700;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, #FFD700, #FFA500);
    border-radius: 2px;
}

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

.hero-content {
    max-width: 800px;
    z-index: 2;
}

.hero-title .name {
    display: block;
    font-size: 4rem;
    font-weight: 700;
    color: #FFD700;
    margin-bottom: 10px;
    animation: fadeInUp 1s ease-out;
}

.hero-title .title {
    display: block;
    font-size: 2.5rem;
    font-weight: 500;
    color: #ffffff;
    margin-bottom: 20px;
    animation: fadeInUp 1s ease-out 0.2s both;
}

.hero-subtitle {
    font-size: 1.3rem;
    color: #E5E5E5;
    margin-bottom: 40px;
    animation: fadeInUp 1s ease-out 0.4s both;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    animation: fadeInUp 1s ease-out 0.6s both;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 15px 30px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    cursor: pointer;
}

.btn-primary {
    background: linear-gradient(45deg, #FFD700, #FFA500);
    color: #000000;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(255, 215, 0, 0.3);
}

.btn-secondary {
    background: transparent;
    color: #FFD700;
    border-color: #FFD700;
}

.btn-secondary:hover {
    background: #FFD700;
    color: #000000;
    transform: translateY(-2px);
}

/* Profile Section */
.profile-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 60px;
    align-items: start;
}

.profile-text p {
    font-size: 1.1rem;
    margin-bottom: 20px;
    color: #E5E5E5;
    text-align: justify;
}

.profile-highlights {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.highlight-item {
    background: rgba(255, 215, 0, 0.1);
    padding: 25px;
    border-radius: 15px;
    border: 1px solid rgba(255, 215, 0, 0.2);
    transition: transform 0.3s ease;
}

.highlight-item:hover {
    transform: translateY(-5px);
}

.highlight-icon {
    font-size: 2rem;
    margin-bottom: 10px;
}

.highlight-item h3 {
    color: #FFD700;
    font-size: 1.2rem;
    margin-bottom: 5px;
}

.highlight-item p {
    color: #E5E5E5;
    font-size: 0.9rem;
}

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

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, #FFD700, #FFA500);
    transform: translateX(-50%);
}

.timeline-item {
    position: relative;
    margin-bottom: 50px;
    width: 50%;
}

.timeline-item:nth-child(odd) {
    left: 0;
    padding-right: 40px;
    text-align: right;
}

.timeline-item:nth-child(even) {
    left: 50%;
    padding-left: 40px;
    text-align: left;
}

.timeline-item::before {
    content: '';
    position: absolute;
    top: 20px;
    width: 20px;
    height: 20px;
    background: #FFD700;
    border-radius: 50%;
    border: 4px solid #000000;
}

.timeline-item:nth-child(odd)::before {
    right: -10px;
}

.timeline-item:nth-child(even)::before {
    left: -10px;
}

.timeline-date {
    color: #FFD700;
    font-weight: 600;
    font-size: 1.1rem;
    margin-bottom: 10px;
}

.timeline-content {
    background: rgba(255, 255, 255, 0.05);
    padding: 25px;
    border-radius: 15px;
    border: 1px solid rgba(255, 215, 0, 0.2);
}

.timeline-content h3 {
    color: #FFD700;
    font-size: 1.3rem;
    margin-bottom: 5px;
}

.institution {
    color: #FFA500;
    font-weight: 500;
    margin-bottom: 10px;
}

.description {
    color: #E5E5E5;
    font-size: 0.95rem;
}

/* Certifications Grid */
.certifications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.cert-card {
    background: rgba(255, 255, 255, 0.05);
    padding: 30px;
    border-radius: 15px;
    border: 1px solid rgba(255, 215, 0, 0.2);
    text-align: center;
    transition: all 0.3s ease;
}

.cert-card:hover {
    transform: translateY(-10px);
    border-color: #FFD700;
    box-shadow: 0 20px 40px rgba(255, 215, 0, 0.1);
}

.cert-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.cert-card h3 {
    color: #FFD700;
    font-size: 1.3rem;
    margin-bottom: 10px;
}

.cert-date {
    color: #FFA500;
    font-weight: 500;
    margin-bottom: 15px;
}

.cert-card p:last-child {
    color: #E5E5E5;
    font-size: 0.95rem;
}

/* Experience Grid */
.experience-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.exp-card {
    background: rgba(255, 255, 255, 0.05);
    padding: 30px;
    border-radius: 15px;
    border: 1px solid rgba(255, 215, 0, 0.2);
    transition: all 0.3s ease;
}

.exp-card:hover {
    transform: translateY(-5px);
    border-color: #FFD700;
}

.exp-period {
    color: #FFD700;
    font-weight: 600;
    font-size: 1.1rem;
    margin-bottom: 10px;
}

.exp-card h3 {
    color: #ffffff;
    font-size: 1.4rem;
    margin-bottom: 5px;
}

.exp-company {
    color: #FFA500;
    font-weight: 500;
    margin-bottom: 15px;
}

.exp-description {
    color: #E5E5E5;
    margin-bottom: 20px;
    line-height: 1.6;
}

.exp-skills {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.exp-skills span {
    background: rgba(255, 215, 0, 0.2);
    color: #FFD700;
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
}

/* Contact Section */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.contact-info h3 {
    color: #FFD700;
    font-size: 2rem;
    margin-bottom: 20px;
}

.contact-info p {
    color: #E5E5E5;
    font-size: 1.1rem;
    margin-bottom: 40px;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

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

.contact-icon {
    font-size: 2rem;
    width: 60px;
    height: 60px;
    background: rgba(255, 215, 0, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(255, 215, 0, 0.2);
}

.contact-method h4 {
    color: #FFD700;
    font-size: 1.2rem;
    margin-bottom: 5px;
}

.contact-method p {
    color: #E5E5E5;
    margin: 0;
}

/* Contact Form */
.contact-form {
    background: rgba(255, 255, 255, 0.05);
    padding: 40px;
    border-radius: 15px;
    border: 1px solid rgba(255, 215, 0, 0.2);
}

.form-group {
    margin-bottom: 25px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 215, 0, 0.2);
    border-radius: 10px;
    color: #ffffff;
    font-family: inherit;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #FFD700;
    box-shadow: 0 0 20px rgba(255, 215, 0, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: #999999;
}

/* Footer */
.footer {
    background: rgba(0, 0, 0, 0.9);
    padding: 30px 0;
    border-top: 1px solid rgba(255, 215, 0, 0.2);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-content p {
    color: #E5E5E5;
    font-size: 0.9rem;
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: rgba(0, 0, 0, 0.95);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        padding: 30px 0;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .hero-title .name {
        font-size: 2.5rem;
    }
    
    .hero-title .title {
        font-size: 1.8rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .section-title {
        font-size: 2.2rem;
    }
    
    .profile-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .timeline::before {
        left: 20px;
    }
    
    .timeline-item {
        width: 100%;
        left: 0 !important;
        padding-left: 60px !important;
        padding-right: 0 !important;
        text-align: left !important;
    }
    
    .timeline-item::before {
        left: 10px !important;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 10px;
        text-align: center;
    }
    
    .certifications-grid {
        grid-template-columns: 1fr;
    }
    
    .experience-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .section {
        padding: 60px 0;
    }
    
    .hero-title .name {
        font-size: 2rem;
    }
    
    .hero-title .title {
        font-size: 1.4rem;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .btn {
        padding: 12px 25px;
        font-size: 0.9rem;
    }
}

