* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Segoe UI", Arial, sans-serif;
}

body {
  background: #0f172a;
  color: #e5e7eb;
}

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

.btn {
  background: #22d3ee;
  color: #0f172a;
  padding: 10px 18px;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 600;
}

.btn-large {
  display: inline-block;
  margin-top: 20px;
}

/* HEADER */
.header {
  background: #020617;
  border-bottom: 1px solid #1e293b;
  position: sticky;
  top: 0;
  z-index: 1000;
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

/* LOGO */
.logo {
  font-size: 22px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 6px;
}

.logo-icon {
  color: #22d3ee;
}

.logo-dev {
  color: #22d3ee;
}

.logo-solutions {
  color: #e5e7eb;
}

/* MENU DESKTOP */
.nav {
  display: flex;
  align-items: center;
}

.nav a {
  margin-left: 20px;
  color: #e5e7eb;
  text-decoration: none;
}

.nav a:hover {
  color: #22d3ee;
}

/* HAMBURGER */
.menu-toggle {
  display: none;
  flex-direction: column;
  cursor: pointer;
}

.menu-toggle span {
  height: 3px;
  width: 25px;
  background: #e5e7eb;
  margin: 4px 0;
  border-radius: 5px;
}

/* HERO */
.hero {
  padding: 100px 0;
  text-align: center;
  background: linear-gradient(135deg, #020617, #0f172a);
}

.hero h1 {
  font-size: 40px;
  margin-bottom: 20px;
}

/* SERVICES */
.services {
  padding: 80px 0;
}

.services h2 {
  text-align: center;
  margin-bottom: 40px;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
}

.card {
  background: #020617;
  padding: 30px;
  border-radius: 10px;
  border: 1px solid #1e293b;
}

/* ABOUT */
.about {
  padding: 80px 0;
  background: #020617;
  text-align: center;
}

/* CONTACT */
.contact {
  padding: 80px 0;
  text-align: center;
}

.contact-form {
  max-width: 500px;
  margin: 30px auto 0;
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.contact-form input,
.contact-form textarea {
  padding: 12px;
  border-radius: 6px;
  border: none;
}

/* SOCIAL */
.social {
  padding: 70px 0;
  background: #020617;
  text-align: center;
}

.social p {
  margin-bottom: 30px;
  color: #94a3b8;
}

.social-links {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
}

.social-item {
  padding: 16px;
  border-radius: 10px;
  font-weight: 600;
  text-decoration: none;
  color: #020617;
}

.whatsapp {
  background: #22c55e;
}
.email {
  background: #38bdf8;
}
.instagram {
  background: linear-gradient(45deg, #f43f5e, #a855f7, #f59e0b);
}
.linkedin {
  background: #0ea5e9;
}

/* FOOTER */
.footer {
  background: #020617;
  padding: 20px;
  text-align: center;
  font-size: 14px;
  border-top: 1px solid #1e293b;
}

/* =====================
   RESPONSIVO (MOBILE)
===================== */
@media (max-width: 768px) {
  .nav {
    position: absolute;
    top: 70px;
    right: 0;
    background: #020617;
    flex-direction: column;
    width: 100%;
    display: none;
    border-top: 1px solid #1e293b;
  }

  .nav.active {
    display: flex;
  }

  .nav a {
    padding: 15px;
    margin: 0;
    border-bottom: 1px solid #1e293b;
  }

  .menu-toggle {
    display: flex;
  }
}