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

body {
  font-family: 'Inter', sans-serif;
  background: radial-gradient(circle at top, #050b1e, #020617);
  color: #e5e7eb;
  line-height: 1.7;
}

/* HERO */
.hero {
  position: relative;
  background: linear-gradient(120deg, #0f172a, #020617);
  padding: 70px 20px 50px;
  overflow: hidden;
}

.hero-overlay {
   position: absolute;
  inset: 0;
  background: url("https://img.freepik.com/fotos-gratis/homem-de-tiro-medio-usando-oculos-vr_23-2149126949.jpg?semt=ais_user_personalization&w=740&q=80") center/cover;
  background-size: cover;
  opacity: 0.26;
  filter: brightness(0.6) contrast(1.1);
}

.hero-content {
  position: relative;
  max-width: 1100px;
  margin: auto;
  display: flex;
  align-items: center;
  gap: 30px;
}

.profile-img {
  width: 130px;
  height: 130px;
  border-radius: 50%;
  border: 3px solid #38bdf8;
  box-shadow: 0 0 30px rgba(56,189,248,0.6);
  object-fit: cover;
}

.hero h1 {
  font-family: 'Orbitron', sans-serif;
  font-size: 2.4rem;
  font-weight: 800;
}

.hero-subtitle {
  color: #38bdf8;
  margin-top: 6px;
}

.hero-text {
  max-width: 520px;
  margin-top: 10px;
  color: #cbd5f5;
}

/* NAV */
.hero-nav {
  position: relative;
  margin-top: 35px;
  text-align: center;
}

.hero-nav a {
  color: #e5e7eb;
  margin: 0 14px;
  text-decoration: none;
  font-weight: 600;
  transition: 0.3s;
}

.hero-nav a:hover {
  color: #38bdf8;
}

/* CONTAINER */
.container {
  max-width: 1100px;
  margin: 70px auto;
  padding: 0 20px;
}

section {
  margin-bottom: 80px;
}

h2 {
  font-family: 'Orbitron', sans-serif;
  font-size: 1.8rem;
  margin-bottom: 20px;
  color: #38bdf8;
}

/* GLASS CARD */
.glass {
  background: rgba(15, 23, 42, 0.75);
  backdrop-filter: blur(14px);
  border: 1px solid rgba(56,189,248,0.25);
}

.card {
  padding: 25px;
  border-radius: 16px;
  margin-bottom: 22px;
  box-shadow: 0 0 40px rgba(56,189,248,0.08);
}

.tech {
  display: block;
  margin-top: 10px;
  font-size: 0.9rem;
  color: #93c5fd;
}

/* STACK */
.stack-grid {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 15px;
}

.stack-grid li {
  background: rgba(15,23,42,0.8);
  border: 1px solid rgba(56,189,248,0.25);
  padding: 14px;
  border-radius: 14px;
  text-align: center;
}

/* LINKEDIN */
.linkedin-box {
  margin-top: 35px;
  padding: 25px;
  border-radius: 16px;
  background: rgba(2,6,23,0.8);
  border-left: 4px solid #38bdf8;
}

.btn-linkedin {
  display: inline-block;
  margin-top: 14px;
  padding: 12px 22px;
  background: linear-gradient(135deg, #38bdf8, #0ea5e9);
  color: #020617;
  text-decoration: none;
  border-radius: 10px;
  font-weight: 700;
  transition: 0.3s;
}

.btn-linkedin:hover {
  transform: scale(1.05);
}

/* FOOTER */
.footer {
  text-align: center;
  padding: 25px;
  background: #020617;
  color: #94a3b8;
}