/* ========================================
   VARIABLES & RESET
   ======================================== */
:root {
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-card: #1a1a24;
    --text-primary: #ffffff;
    --text-secondary: #a0a0b0;
    --text-muted: #6b6b7b;
    --accent: #6366f1;
    --accent-hover: #818cf8;
    --accent-glow: rgba(99, 102, 241, 0.3);
    --border: #2a2a3a;
    --success: #22c55e;
    --radius: 12px;
    --radius-lg: 20px;
    --transition: 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3 {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
}

a {
    text-decoration: none;
    color: inherit;
}

/* ========================================
   HEADER
   ======================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: 1rem 5%;
    background: rgba(10, 10, 15, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

.logo {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent);
}

.nav {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav a {
    font-size: 0.95rem;
    color: var(--text-secondary);
    transition: var(--transition);
}

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

.btn-primary-small {
    padding: 0.5rem 1.2rem;
    background: var(--accent);
    border-radius: 8px;
    color: white !important;
    font-weight: 500;
}

.btn-primary-small:hover {
    background: var(--accent-hover);
}

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

.menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: var(--transition);
}

/* ========================================
   HERO
   ======================================== */
.hero {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 4rem;
    padding: 8rem 5% 4rem;
    max-width: 1400px;
    margin: 0 auto;
}

.hero-badge {
    display: inline-block;
    padding: 0.4rem 1rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 2px;
    color: var(--accent);
    margin-bottom: 1.5rem;
}

.hero h1 {
    font-size: 5rem;
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.text-gradient {
    background: linear-gradient(135deg, var(--accent), #a855f7);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-text {
    font-size: 1.15rem;
    color: var(--text-secondary);
    max-width: 500px;
    margin-bottom: 2rem;
}

.hero-stats-row {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    margin-bottom: 2.5rem;
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-size: 1.75rem;
    font-weight: 700;
    font-family: 'Space Grotesk', sans-serif;
    color: var(--accent);
}

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

.stat-divider {
    width: 1px;
    height: 40px;
    background: var(--border);
}

.hero-cta {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

.btn-primary {
    padding: 0.9rem 1.8rem;
    background: var(--accent);
    border-radius: 10px;
    font-weight: 600;
    transition: var(--transition);
}

.btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
}

.btn-outline {
    padding: 0.9rem 1.8rem;
    background: transparent;
    border: 1px solid var(--border);
    border-radius: 10px;
    font-weight: 500;
    transition: var(--transition);
}

.btn-outline:hover {
    border-color: var(--accent);
    color: var(--accent);
}

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

.hero-social a {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 10px;
    color: var(--text-secondary);
    transition: var(--transition);
}

.hero-social a:hover {
    border-color: var(--accent);
    color: var(--accent);
}

/* Hero Visual - Code Block */
.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.code-block {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    width: 100%;
    max-width: 500px;
    font-family: 'JetBrains Mono', monospace;
}

.code-header {
    display: flex;
    gap: 8px;
    margin-bottom: 1rem;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.dot.red { background: #ef4444; }
.dot.yellow { background: #eab308; }
.dot.green { background: #22c55e; }

.code-content {
    font-size: 0.9rem;
    line-height: 1.8;
    color: var(--text-secondary);
}

.keyword { color: #c084fc; }
.property { color: #60a5fa; }
.string { color: #34d399; }

/* ========================================
   SECTIONS
   ======================================== */
.section {
    padding: 5rem 5%;
    max-width: 1200px;
    margin: 0 auto;
}

.section-header {
    margin-bottom: 3rem;
}

.section-tag {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    color: var(--accent);
    display: block;
    margin-bottom: 0.5rem;
}

.section h2 {
    font-size: 2.5rem;
}

/* About */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.about-text p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    font-size: 1.05rem;
}

.about-text strong {
    color: var(--text-primary);
}

.about-list {
    list-style: none;
    margin: 1.5rem 0;
}

.about-list li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
    color: var(--text-secondary);
}

.about-list i {
    color: var(--success);
}

.about-location {
    margin-top: 1.5rem;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.about-skills h3 {
    font-size: 1.1rem;
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

.skills-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.skill-tag {
    padding: 0.4rem 0.8rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* Projetos */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.project-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    transition: var(--transition);
}

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

.project-badge {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 600;
    padding: 0.25rem 0.6rem;
    background: var(--accent-glow);
    color: var(--accent);
    border-radius: 4px;
    margin-bottom: 1rem;
}

.project-card h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
}

.project-desc {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 1rem;
    line-height: 1.6;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.project-tags span {
    font-size: 0.75rem;
    padding: 0.25rem 0.5rem;
    background: var(--bg-secondary);
    border-radius: 4px;
    color: var(--text-muted);
}

.project-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    color: var(--accent);
    transition: var(--transition);
}

.project-link:hover {
    gap: 0.75rem;
}

.projects-cta {
    text-align: center;
    margin-top: 3rem;
}

/* Contato */
.contact-section {
    text-align: center;
}

.contact-content {
    max-width: 600px;
    margin: 0 auto;
}

.contact-info p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 2rem;
}

.contact-items {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 2rem;
}

.contact-item {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 1rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-secondary);
    transition: var(--transition);
}

a.contact-item:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.contact-item i {
    width: 24px;
    color: var(--accent);
}

.contact-social {
    display: flex;
    justify-content: center;
    gap: 1rem;
}

.contact-social a {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 10px;
    color: var(--text-secondary);
    transition: var(--transition);
}

.contact-social a:hover {
    border-color: var(--accent);
    color: var(--accent);
}

/* Footer */
.footer {
    padding: 2rem 5%;
    border-top: 1px solid var(--border);
    text-align: center;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
}

.footer-logo {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent);
    margin-bottom: 0.5rem;
}

.footer p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* ========================================
   RESPONSIVE
   ======================================== */
@media (max-width: 1024px) {
    .hero {
        grid-template-columns: 1fr;
        text-align: center;
        padding-top: 7rem;
    }
    
    .hero h1 {
        font-size: 3.5rem;
    }
    
    .hero-text {
        max-width: 100%;
        margin: 0 auto 2rem;
    }
    
    .hero-stats-row {
        justify-content: center;
    }
    
    .hero-cta {
        justify-content: center;
    }
    
    .hero-social {
        justify-content: center;
    }
    
    .hero-visual {
        display: none;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

@media (max-width: 768px) {
    .nav {
        display: none;
    }
    
    .menu-toggle {
        display: flex;
    }
    
    .hero h1 {
        font-size: 2.8rem;
    }
    
    .hero-stats-row {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .section h2 {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 2.2rem;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .btn-primary, .btn-outline {
        width: 100%;
        text-align: center;
    }
}

/* ========================================
   PROJECT DETAIL PAGE
   ======================================== */
.project-badge-inline {
    display: inline-block;
    font-size: 0.75rem;
    padding: 0.3rem 0.8rem;
    background: var(--accent-glow);
    color: var(--accent);
    border-radius: 6px;
    margin-left: 0.5rem;
    vertical-align: middle;
}

.project-images-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
}

.project-thumbnails {
    display: flex;
    gap: 0.75rem;
    overflow-x: auto;
    padding-bottom: 0.5rem;
}

.project-thumbnails .thumb {
    width: 100px;
    height: 70px;
    object-fit: cover;
    border-radius: 8px;
    cursor: pointer;
    border: 2px solid transparent;
    opacity: 0.6;
    transition: var(--transition);
}

.project-thumbnails .thumb:hover,
.project-thumbnails .thumb.active {
    opacity: 1;
    border-color: var(--accent);
}

.project-detail {
    margin-bottom: 2rem;
}

.project-main-image {
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border);
}

.project-main-image img {
    width: 100%;
    height: auto;
    display: block;
}

.project-content-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}

.project-text p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    line-height: 1.7;
}

.project-text strong {
    color: var(--text-primary);
}

.project-features h3 {
    font-size: 1.1rem;
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

.project-features ul {
    list-style: none;
}

.project-features li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
    color: var(--text-secondary);
}

.project-features li i {
    color: var(--success);
}

.cta-content {
    max-width: 500px;
    margin: 0 auto;
    padding: 3rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    text-align: center;
}

.cta-content h2 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.cta-content p {
    color: var(--text-muted);
    margin-bottom: 1.5rem;
}

.cta-content .btn-primary {
    display: inline-block;
}

/* ========================================
   RESPONSIVE PROJECT
   ======================================== */
@media (max-width: 768px) {
    .page-hero h1 {
        font-size: 2.2rem;
    }
    
    .project-content-grid {
        grid-template-columns: 1fr;
    }
}