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

:root {
    --bg: #09090b;
    --bg-alt: #111113;
    --card: #18181b;
    --accent: #6366f1;
    --accent-soft: rgba(99, 102, 241, 0.15);
    --text: #fafafa;
    --text-secondary: #a1a1aa;
    --text-muted: #71717a;
    --border: rgba(255, 255, 255, 0.08);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(9, 9, 11, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
}

.nav-container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 16px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text);
    text-decoration: none;
}

.nav-links {
    display: flex;
    gap: 32px;
    list-style: none;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.2s;
}

.nav-links a:hover {
    color: var(--text);
}

.nav-cta {
    background: var(--accent) !important;
    color: white !important;
    padding: 8px 16px;
    border-radius: 8px;
}

/* Hero */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    position: relative;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at top, rgba(99, 102, 241, 0.1), transparent 50%);
    pointer-events: none;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
}

.hero-text {
    display: flex;
    flex-direction: column;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    width: fit-content;
    padding: 6px 14px;
    background: var(--accent-soft);
    color: var(--accent);
    font-size: 0.8rem;
    font-weight: 500;
    border-radius: 50px;
    margin-bottom: 24px;
}

.hero-badge::before {
    content: '';
    width: 6px;
    height: 6px;
    background: var(--accent);
    border-radius: 50%;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: 12px;
}

.hero-role {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.hero-role .separator {
    color: var(--accent);
    margin: 0 8px;
}

.hero-desc {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 32px;
    max-width: 500px;
}

.hero-actions {
    display: flex;
    gap: 12px;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    background: var(--accent);
    color: white;
    font-weight: 600;
    text-decoration: none;
    border-radius: 10px;
    transition: transform 0.2s, box-shadow 0.2s;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(99, 102, 241, 0.3);
}

.btn-ghost {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    background: transparent;
    color: var(--text);
    font-weight: 600;
    text-decoration: none;
    border-radius: 10px;
    border: 1px solid var(--border);
    transition: background 0.2s;
}

.btn-ghost:hover {
    background: var(--card);
}

.btn-ghost svg {
    width: 16px;
    height: 16px;
}

/* Hero Card */
.hero-visual {
    display: flex;
    justify-content: center;
}

.hero-card {
    width: 100%;
    max-width: 360px;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 12px;
    overflow: hidden;
}

.card-header {
    display: flex;
    gap: 6px;
    padding: 12px 16px;
    background: rgba(0,0,0,0.3);
    border-bottom: 1px solid var(--border);
}

.card-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.card-dot:nth-child(1) { background: #ef4444; }
.card-dot:nth-child(2) { background: #eab308; }
.card-dot:nth-child(3) { background: #22c55e; }

.card-content {
    padding: 24px;
}

.card-content code {
    font-family: 'SF Mono', monospace;
    font-size: 0.85rem;
    line-height: 2;
    color: var(--text-secondary);
}

.code-keyword { color: #c084fc; }
.code-string { color: #4ade80; }

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--text-muted);
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.scroll-line {
    width: 1px;
    height: 30px;
    background: linear-gradient(var(--text-muted), transparent);
}

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

.section-alt {
    background: var(--bg-alt);
}

.section-label {
    display: block;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 12px;
}

.section-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 48px;
}

/* About */
.about-grid {
    display: grid;
    grid-template-columns: 1.3fr 1fr;
    gap: 60px;
    align-items: start;
}

.about-intro h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 24px;
    line-height: 1.3;
}

.about-intro p {
    color: var(--text-secondary);
    font-size: 1.05rem;
    margin-bottom: 16px;
}

.about-highlights {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.highlight-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 24px;
    text-align: center;
}

.highlight-number {
    display: block;
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 4px;
}

.highlight-label {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* Experience */
.experience-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.exp-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 28px;
}

.exp-featured {
    border-color: rgba(99, 102, 241, 0.3);
}

.exp-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 12px;
    flex-wrap: wrap;
    gap: 8px;
}

.exp-company {
    display: flex;
    align-items: center;
    gap: 12px;
}

.exp-company h3 {
    font-size: 1.2rem;
    font-weight: 700;
}

.exp-badge {
    font-size: 0.65rem;
    font-weight: 600;
    color: var(--accent);
    background: var(--accent-soft);
    padding: 4px 10px;
    border-radius: 50px;
    text-transform: uppercase;
}

.exp-period {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.exp-role {
    color: var(--accent);
    font-weight: 500;
    margin-bottom: 4px;
}

.exp-evolution {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 12px;
}

.exp-desc {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 16px;
    line-height: 1.6;
}

.exp-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.exp-tags span {
    font-size: 0.75rem;
    color: var(--text-muted);
    background: rgba(255,255,255,0.05);
    padding: 6px 12px;
    border-radius: 50px;
    border: 1px solid var(--border);
}

/* Skills */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

.skill-group {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 24px;
}

.skill-icon {
    font-size: 1.8rem;
    margin-bottom: 12px;
}

.skill-group h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 16px;
}

.skill-group ul {
    list-style: none;
}

.skill-group li {
    color: var(--text-secondary);
    font-size: 0.9rem;
    padding: 8px 0;
    border-bottom: 1px solid var(--border);
}

.skill-group li:last-child {
    border-bottom: none;
}

/* Projects */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.project-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 12px;
    overflow: hidden;
    text-decoration: none;
    color: inherit;
    transition: transform 0.2s, border-color 0.2s;
    display: block;
}

.project-card:hover {
    transform: translateY(-4px);
    border-color: var(--accent);
}

.project-preview {
    height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--bg-alt), var(--card));
    border-bottom: 1px solid var(--border);
}

.project-icon {
    font-size: 2.5rem;
}

.project-info {
    padding: 20px;
}

.project-info h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.project-info p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 12px;
    line-height: 1.5;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 12px;
}

.project-tags span {
    font-size: 0.7rem;
    color: var(--text-muted);
    background: rgba(255,255,255,0.05);
    padding: 4px 8px;
    border-radius: 50px;
}

.project-link {
    font-size: 0.85rem;
    color: var(--accent);
    font-weight: 500;
}

/* Education */
.education-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.edu-card {
    display: flex;
    gap: 20px;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 24px;
}

.edu-icon {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-soft);
    color: var(--accent);
    font-size: 1.2rem;
    font-weight: 700;
    border-radius: 10px;
    flex-shrink: 0;
}

.edu-content h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 4px;
}

.edu-period {
    display: block;
    font-size: 0.8rem;
    color: var(--accent);
    margin-bottom: 8px;
}

.edu-content p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* Contact */
.section-contact {
    text-align: center;
    padding: 120px 0;
}

.section-contact h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 16px;
}

.contact-desc {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
}

.contact-links {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

.contact-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 28px;
    background: var(--card);
    border: 1px solid var(--border);
    color: var(--text);
    font-weight: 500;
    text-decoration: none;
    border-radius: 10px;
    transition: border-color 0.2s, transform 0.2s;
}

.contact-btn:hover {
    border-color: var(--accent);
    transform: translateY(-2px);
}

.contact-btn svg {
    width: 20px;
    height: 20px;
}

.contact-btn-alt {
    background: var(--accent);
    border-color: var(--accent);
}

.contact-btn-alt:hover {
    background: #5558e3;
}

/* Footer */
.footer {
    padding: 40px 0;
    text-align: center;
    border-top: 1px solid var(--border);
}

.footer p {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* Responsive */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-text {
        align-items: center;
    }
    
    .hero-badge {
        margin-left: auto;
        margin-right: auto;
    }
    
    .hero-desc {
        margin-left: auto;
        margin-right: auto;
    }
    
    .hero-actions {
        justify-content: center;
    }
    
    .hero-visual {
        order: -1;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
    }
    
    .skills-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .projects-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .scroll-indicator {
        display: none;
    }
    
    .section {
        padding: 80px 0;
    }
    
    .skills-grid,
    .projects-grid,
    .education-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-links {
        flex-direction: column;
        align-items: center;
    }
    
    .contact-btn {
        width: 100%;
        max-width: 280px;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .about-highlights {
        grid-template-columns: 1fr;
    }
    
    .exp-header {
        flex-direction: column;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
}