:root {
    --primary: #353b48;
    --secondary: #00a8ff;
    --accent: #f5f6fa;
    --text-main: #f5f6fa;
    --text-dim: #d1d8e0;
    --bg-dark: #0f111a;
    --bg-card: rgba(255, 255, 255, 0.05);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Navbar */
#navbar {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 1.5rem 0;
    z-index: 1000;
    transition: var(--transition);
}

#navbar.scrolled {
    background: rgba(15, 17, 26, 0.9);
    backdrop-filter: blur(10px);
    padding: 1rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -1px;
}

.logo span { color: var(--secondary); }

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

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

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

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    background: radial-gradient(circle at 10% 20%, rgba(39, 60, 117, 0.15) 0%, transparent 50%);
}

.hero .container {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    align-items: center;
    gap: 2rem;
}

.greeting {
    color: var(--secondary);
    font-weight: 600;
    margin-bottom: 1rem;
    display: block;
}

h1 {
    font-size: 4rem;
    font-weight: 800;
    margin-bottom: 1rem;
    line-height: 1.1;
}

.typewriter {
    font-size: 1.5rem;
    color: var(--text-dim);
    margin-bottom: 2rem;
}

.hero-description {
    max-width: 500px;
    margin-bottom: 2.5rem;
    color: var(--text-dim);
}

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

.btn {
    padding: 0.8rem 2rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

.btn-primary {
    background: var(--secondary);
    color: white;
    box-shadow: 0 10px 20px rgba(39, 60, 117, 0.3);
}

.btn-secondary {
    border: 1px solid rgba(255,255,255,0.2);
    color: white;
}

.btn:hover { transform: translateY(-3px); opacity: 0.9; }

.hero-visual { position: relative; display: flex; justify-content: center; }

.hero-img {
    width: 300px;
    filter: drop-shadow(0 0 30px rgba(39, 60, 117, 0.5));
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

/* Sections */
.section { padding: 100px 0; }
.section-title {
    font-size: 2.5rem;
    margin-bottom: 3rem;
    text-align: center;
}

.bg-alt { background-color: rgba(255,255,255,0.02); }

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

.highlight-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background: var(--bg-card);
    border-radius: 12px;
    margin-bottom: 1rem;
    border: 1px solid rgba(255,255,255,0.05);
}

.highlight-item i { color: var(--secondary); font-size: 1.5rem; }

/* Skills */
.skills-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1.5rem;
}

.skill-card {
    background: var(--bg-card);
    padding: 1.5rem 2.5rem;
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    min-width: 140px;
    transition: var(--transition);
    border: 1px solid rgba(255,255,255,0.05);
}

.skill-card:hover {
    background: var(--secondary);
    transform: translateY(-5px);
}

.skill-card i { font-size: 2rem; }

/* Projects */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.project-card {
    background: var(--bg-card);
    border-radius: 16px;
    padding: 2rem;
    border: 1px solid rgba(255,255,255,0.05);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.project-card:hover {
    border-color: var(--secondary);
    transform: translateY(-10px);
}

.project-card h3 { margin-bottom: 1rem; font-size: 1.4rem; }
.project-card p { color: var(--text-dim); font-size: 0.9rem; margin-bottom: 1.5rem; flex-grow: 1; }

.tech-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.badge {
    background: rgba(255,255,255,0.1);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
}

.project-link {
    color: var(--text-main);
    text-decoration: none;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}

/* Contact */
.contact-card {
    text-align: center;
    background: linear-gradient(135deg, var(--secondary), var(--primary));
    padding: 4rem 2rem;
    border-radius: 24px;
}

.contact-links {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: 2rem;
    flex-wrap: wrap;
}

.contact-btn {
    background: white;
    color: var(--secondary);
    padding: 0.8rem 1.5rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 700;
    transition: var(--transition);
}

footer {
    text-align: center;
    padding: 3rem;
    color: var(--text-dim);
    font-size: 0.8rem;
}

/* Responsividade */
@media (max-width: 768px) {
    h1 { font-size: 2.5rem; }
    .hero .container, .about-grid { grid-template-columns: 1fr; }
    .nav-links { display: none; }
    .hero-visual { order: -1; }
}