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

body {
  background: #050505;
  color: #ffffff;
  min-height: 100vh;
}

header {
  width: 100%;
  background: #080808;
  border-bottom: 2px solid #d40000;
  padding: 18px 7%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: 0 0 25px rgba(229, 9, 20, 0.35);
  position: sticky;
  top: 0;
  z-index: 20;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 28px;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.logo-icon {
  width: 52px;
  height: 52px;
  background: #e50914;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  font-size: 30px;
  font-weight: 900;
  box-shadow: 0 0 22px rgba(229, 9, 20, 0.8);
}

.logo-red {
  color: #e50914;
}

nav {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

nav button {
  background: transparent;
  color: #ffffff;
  border: 1px solid #e50914;
  padding: 11px 25px;
  border-radius: 25px;
  cursor: pointer;
  font-size: 16px;
  font-weight: bold;
  transition: 0.3s;
}

nav button:hover,
nav button.active {
  background: #e50914;
  box-shadow: 0 0 18px rgba(229, 9, 20, 0.8);
}

.inicio {
  padding: 80px 7%;
  text-align: center;
}

.inicio-card {
  max-width: 950px;
  margin: auto;
  background: linear-gradient(145deg, #141414, #060606);
  border: 1px solid #8b0000;
  border-radius: 30px;
  padding: 60px 40px;
  box-shadow: 0 0 35px rgba(229, 9, 20, 0.25);
}

.inicio-card h1 {
  font-size: 52px;
  color: #e50914;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.inicio-card p {
  color: #dddddd;
  line-height: 1.7;
  font-size: 18px;
  margin-bottom: 25px;
}

.btn-principal,
.btn-confirmar,
.btn-volver {
  border: none;
  padding: 14px 30px;
  border-radius: 28px;
  font-size: 16px;
  font-weight: bold;
  cursor: pointer;
  transition: 0.3s;
}

.btn-principal,
.btn-confirmar {
  background: #e50914;
  color: #ffffff;
  box-shadow: 0 0 18px rgba(229, 9, 20, 0.65);
}

.btn-principal:hover,
.btn-confirmar:hover {
  background: #b40000;
  transform: translateY(-2px);
}

.btn-volver {
  background: transparent;
  color: #ffffff;
  border: 1px solid #e50914;
}

.btn-volver:hover {
  background: #e50914;
}

.codigos {
  display: none;
  padding: 35px 3%;
}

.titulo-linea {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 15px;
  margin-bottom: 28px;
}

.titulo-linea::before,
.titulo-linea::after {
  content: "";
  height: 3px;
  flex: 1;
  background: #e50914;
  box-shadow: 0 0 15px rgba(229, 9, 20, 0.9);
}

.titulo-linea h2 {
  text-transform: uppercase;
  font-size: 28px;
  letter-spacing: 1px;
  text-align: center;
}

.pasos {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 18px;
  margin-bottom: 28px;
}

.paso {
  background: linear-gradient(180deg, #151515, #090909);
  border: 1px solid #252525;
  border-radius: 18px;
  padding: 18px;
  min-height: 255px;
  box-shadow: 0 0 18px rgba(255, 255, 255, 0.04);
  position: relative;
}

.paso h3 {
  font-size: 15px;
  line-height: 1.35;
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
}

.numero {
  min-width: 42px;
  height: 42px;
  background: #e50914;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  font-weight: 900;
  box-shadow: 0 0 15px rgba(229, 9, 20, 0.8);
}

.mini-web,
.mini-login,
.mini-code,
.mini-valid,
.mini-final {
  border-radius: 13px;
  padding: 14px;
  min-height: 150px;
  color: #111;
  background: #f7f2ed;
}

.browser {
  background: #111111;
  border-radius: 10px;
  padding: 12px;
  color: #ffffff;
  text-align: center;
}

.browser-bar {
  background: #eeeeee;
  color: #222222;
  padding: 6px;
  border-radius: 20px;
  font-size: 12px;
  margin-bottom: 14px;
}

.netflix-word {
  color: #e50914;
  font-size: 28px;
  font-weight: 900;
  letter-spacing: 2px;
  margin: 18px 0;
}

.url-box {
  margin-top: 12px;
  background: #e50914;
  color: #ffffff;
  text-align: center;
  padding: 9px;
  border-radius: 8px;
  font-weight: bold;
}

.mini-login {
  background: #080808;
  color: #ffffff;
  border: 1px solid #333333;
}

.mini-login h4,
.mini-code h4 {
  margin-bottom: 10px;
}

.mini-login input,
.mini-code input,
.form-box input,
.form-box select,
.form-box textarea {
  width: 100%;
  padding: 10px;
  margin-bottom: 9px;
  border-radius: 7px;
  border: 1px solid #444444;
  outline: none;
  font-size: 14px;
}

.mini-login input {
  background: #111111;
  color: #ffffff;
}

.mini-login button,
.mini-code button {
  width: 100%;
  background: #e50914;
  color: #ffffff;
  border: none;
  padding: 10px;
  border-radius: 7px;
  font-weight: bold;
}

.mini-code p,
.mini-valid p,
.mini-final p {
  font-size: 13px;
  line-height: 1.4;
  margin-bottom: 10px;
}

.check {
  width: 60px;
  height: 60px;
  background: #009c25;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 12px;
  color: #ffffff;
  font-size: 36px;
  font-weight: 900;
}

.valid-title {
  text-align: center;
  color: #008f20;
  font-size: 18px;
  font-weight: 900;
  margin-bottom: 8px;
}

.n-icon {
  width: 82px;
  height: 82px;
  background: #101010;
  color: #e50914;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 60px;
  font-weight: 900;
  margin: 10px auto;
}

.info-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: 1px solid #7a0000;
  border-radius: 18px;
  overflow: hidden;
  margin-bottom: 30px;
  box-shadow: 0 0 25px rgba(229, 9, 20, 0.25);
}

.info-card {
  background: #080808;
  padding: 22px;
  border-right: 1px solid #7a0000;
  min-height: 175px;
}

.info-card:last-child {
  border-right: none;
}

.info-card h3 {
  margin-bottom: 15px;
  text-transform: uppercase;
  font-size: 18px;
}

.verde h3 { color: #00c531; }
.rojo h3 { color: #e50914; }
.amarillo h3 { color: #ffd447; }
.problemas h3 { color: #ffffff; }

.info-card ul {
  padding-left: 20px;
  color: #eeeeee;
  line-height: 1.8;
  font-size: 15px;
}

.panel-principal {
  background: linear-gradient(180deg, #111111, #060606);
  border: 1px solid #d80000;
  border-radius: 22px;
  padding: 28px;
  margin-bottom: 25px;
  box-shadow: 0 0 25px rgba(229, 9, 20, 0.25);
}

.panel-principal h2 {
  color: #e50914;
  text-transform: uppercase;
  margin-bottom: 12px;
  font-size: 27px;
}

.panel-principal p {
  color: #dddddd;
  line-height: 1.6;
  margin-bottom: 18px;
}

.panel-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
}

.form-box {
  background: #0b0b0b;
  border: 1px solid #7a0000;
  border-radius: 17px;
  padding: 22px;
}

.form-box h2 {
  font-size: 23px;
  margin-bottom: 12px;
}

.form-box label {
  display: block;
  color: #ffffff;
  margin-bottom: 7px;
  font-weight: bold;
}

.form-box textarea {
  min-height: 108px;
  resize: none;
}

.resultado-codigo {
  background: #111111;
  color: #ffd447;
  border: 1px solid #7c0000;
  padding: 14px;
  border-radius: 12px;
  margin: 12px 0 18px;
  font-weight: bold;
  text-align: center;
}

.botones {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 12px;
}

.aviso {
  color: #cccccc;
  font-size: 13px;
  margin-top: 13px;
  line-height: 1.5;
}

.barra-final {
  background: linear-gradient(90deg, #350000, #8f0000, #350000);
  border-top: 2px solid #e50914;
  padding: 18px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  text-transform: uppercase;
  letter-spacing: 1px;
  border-radius: 12px 12px 0 0;
}

.barra-final strong {
  color: #e50914;
  font-size: 34px;
  font-weight: 900;
}

@media (max-width: 1150px) {
  .pasos {
    grid-template-columns: repeat(2, 1fr);
  }

  .info-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .panel-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 700px) {
  header {
    flex-direction: column;
    gap: 16px;
  }

  .logo {
    font-size: 22px;
  }

  .pasos,
  .info-grid {
    grid-template-columns: 1fr;
  }

  .titulo-linea h2 {
    font-size: 20px;
  }

  .inicio-card h1 {
    font-size: 34px;
  }

  .inicio-card {
    padding: 35px 20px;
  }

  .barra-final {
    flex-direction: column;
    gap: 10px;
    text-align: center;
  }
}