:root {
    --bg-color: #0b0f1a;
    --bg-alt: #161b2a;
    --card-bg: #1f2937;
    --text-main: #f8fafc;
    --text-dim: #94a3b8;
    --accent: #38bdf8;
    --accent-glow: rgba(56, 189, 248, 0.15);
}

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

body {
    font-family: 'Inter', -apple-system, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-main);
    line-height: 1.7;
}

.container { max-width: 1100px; margin: 0 auto; padding: 0 25px; }

/* Navbar */
#navbar {
    background: rgba(11, 15, 26, 0.8);
    backdrop-filter: blur(12px);
    padding: 20px 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

.nav-content { display: flex; justify-content: space-between; align-items: center; }
.logo { font-size: 1.4rem; font-weight: 800; text-decoration: none; color: #fff; letter-spacing: -1px; }
.logo span { color: var(--accent); }
.nav-links { display: flex; list-style: none; gap: 30px; }
.nav-links a { text-decoration: none; color: var(--text-dim); transition: 0.3s; font-size: 0.95rem; }
.nav-links a:hover { color: var(--accent); }

/* Hero */
.hero { padding: 200px 0 120px; text-align: center; background: radial-gradient(circle at center, var(--accent-glow) 0%, transparent 70%); }
.hero h1 { font-size: clamp(2.5rem, 6vw, 4rem); font-weight: 800; margin-bottom: 15px; letter-spacing: -2px; }
.subtitle { font-size: 1.4rem; color: var(--accent); font-weight: 500; margin-bottom: 40px; }
.hero-socials { display: flex; justify-content: center; gap: 25px; font-size: 2rem; }
.hero-socials a { color: var(--text-dim); transition: 0.3s; }
.hero-socials a:hover { color: var(--accent); transform: translateY(-3px); }

/* Sobre - Grid Layout */
.section { padding: 100px 0; }
.section-title { font-size: 2rem; margin-bottom: 50px; font-weight: 700; color: var(--accent); }
.about-grid { display: grid; grid-template-columns: 2fr 1fr; gap: 60px; }
.about-content p { margin-bottom: 20px; font-size: 1.1rem; color: var(--text-dim); }
.about-content strong { color: var(--text-main); }
.about-status { display: flex; flex-direction: column; gap: 20px; }
.status-card { background: var(--bg-alt); padding: 20px; border-radius: 12px; border: 1px solid rgba(255,255,255,0.05); }
.status-card span { display: block; font-size: 0.8rem; color: var(--accent); text-transform: uppercase; font-weight: 700; }
.status-card p { font-weight: 600; font-size: 1.1rem; }

/* Skills Card */
.bg-alt { background-color: var(--bg-alt); }
.skills-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 25px; }
.skill-card { background: var(--card-bg); padding: 35px; border-radius: 16px; transition: 0.3s; border: 1px solid rgba(255,255,255,0.03); }
.skill-card:hover { transform: translateY(-5px); border-color: var(--accent); }
.skill-card i { font-size: 2rem; color: var(--accent); margin-bottom: 20px; }
.skill-card h3 { margin-bottom: 12px; font-size: 1.2rem; }
.skill-card p { color: var(--text-dim); font-size: 0.95rem; }

/* Timeline */
.timeline-item { padding: 0 0 40px 30px; border-left: 2px solid var(--accent); position: relative; }
.timeline-item::before { content: ''; position: absolute; left: -9px; top: 0; width: 16px; height: 16px; border-radius: 50%; background: var(--accent); border: 4px solid var(--bg-color); }
.date { color: var(--accent); font-weight: 700; font-size: 0.9rem; margin-bottom: 5px; }

/* Buttons & Footer */
.btn-contato { background: var(--accent); color: var(--bg-color) !important; padding: 10px 24px; border-radius: 8px; font-weight: 700; }
.btn-outline { padding: 15px 40px; border: 2px solid var(--accent); color: var(--accent); text-decoration: none; border-radius: 12px; font-weight: 700; transition: 0.3s; }
.btn-outline:hover { background: var(--accent); color: var(--bg-color); }
.center-btn { margin-top: 50px; text-align: center; }
footer { padding: 100px 0 50px; border-top: 1px solid rgba(255,255,255,0.05); }
.email-display { font-size: 1.5rem; font-weight: 300; margin: 20px 0; }
.footer-links { display: flex; justify-content: center; gap: 30px; }
.footer-links a { color: var(--text-dim); text-decoration: none; font-weight: 500; }
.copyright { margin-top: 60px; font-size: 0.8rem; color: #444; }

/* Responsive */
@media (max-width: 850px) {
    .about-grid { grid-template-columns: 1fr; }
    .nav-links { display: none; }
    .hero h1 { font-size: 2.8rem; }
}