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

:root {
  --yellow: #ffd000;
  --yellow-dark: #efb900;
  --black: #101417;
  --white: #ffffff;
  --text: #111111;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Arial", Arial Black, sans-serif;
  color: var(--text);
  background: var(--yellow);
}

.topbar {
  background: var(--black);
  color: var(--white);
  min-height: 86px;
  padding: 18px 7%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 6px solid var(--yellow);
  position: sticky;
  top: 0;
  z-index: 20;
}

.brand {
  color: var(--yellow);
  font-size: clamp(36px, 3vw, 10px);
  letter-spacing: 7px;
  font-weight: 900;
}

.nav {
  display: flex;
  gap: 34px;
}

.nav a {
  color: var(--white);
  text-decoration: none;
  text-transform: uppercase;
  font-size: 15px;
  letter-spacing: 1px;
  font-family: Arial, sans-serif;
  font-weight: 900;
}

.nav a:hover {
  color: var(--yellow);
}

.hero {
  min-height: 920px;
  background:
    radial-gradient(circle at 20% 20%, rgba(255,255,255,.35), transparent 28%),
    linear-gradient(90deg, rgba(255,208,0,.92), rgba(255,208,0,.62)),
    url("../assets/fondo-informotica.jpg") center / cover no-repeat;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 70px 6%;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(0,0,0,.16) 1px, transparent 1px);
  background-size: 26px 26px;
  opacity: .35;
}

.poster {
  position: relative;
  z-index: 2;
  width: min(1320px, 100%);
  padding: 42px 38px 50px;
  border: 8px solid var(--black);
  background: rgba(255, 208, 0, .78);
  box-shadow: 18px 18px 0 rgba(0,0,0,.9);
  text-align: center;
}

.poster-label {
  display: inline-block;
  background: var(--black);
  color: var(--yellow);
  padding: 10px 22px;
  margin-bottom: 50px;
  border-radius: 999px;
  letter-spacing: 3px;
  font-size: clamp(16px, 2vw, 25px);
  font-family: Arial, sans-serif;
  font-weight: 900;
}

h1 {
  font-size: clamp(80px, 25vw, 120px);
  line-height: .86;
  letter-spacing: clamp(2px, .9vw, 12px);
  text-transform: uppercase;
  text-shadow: 5px 5px 0 rgba(255,255,255,.65);
  margin-bottom: 28px;
}

.badges {
  max-width: 1140px;
  margin: 0 auto 30px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  background: var(--black);
  color: var(--white);
  border-radius: 16px;
  overflow: hidden;
  border: 5px solid var(--black);
}

.badge {
  min-height: 108px;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 14px;
  padding: 18px;
  border-right: 2px solid rgba(255,255,255,.18);
  font-family: Arial, sans-serif;
  text-transform: uppercase;
}

.badge:last-child {
  border-right: none;
}

.badge span {
  font-size: 38px;
}

.badge strong {
  font-size: 16px;
  line-height: 1.15;
  text-align: left;
}

.call-text {
  font-size: clamp(20px, 2.7vw, 38px);
  letter-spacing: clamp(4px, 1vw, 14px);
  margin: 8px 0 6px;
}

.phone {
  display: inline-block;
  color: var(--black);
  text-decoration: none;
  font-size: clamp(62px, 10vw, 130px);
  line-height: .92;
  letter-spacing: -3px;
  font-weight: 900;
  text-shadow: 5px 5px 0 rgba(255,255,255,.65);
  white-space: nowrap;
}

.headline {
  margin-top: 12px;
  font-size: clamp(18px, 2.3vw, 32px);
  letter-spacing: 3px;
  text-transform: uppercase;
}

.cta-row {
  margin-top: 28px;
  display: flex;
  justify-content: center;
  gap: 18px;
  flex-wrap: wrap;
}

.btn {
  padding: 16px 26px;
  border: 4px solid var(--black);
  text-decoration: none;
  text-transform: uppercase;
  font-family: Arial, sans-serif;
  font-weight: 900;
  border-radius: 8px;
  box-shadow: 6px 6px 0 var(--black);
}

.btn.primary {
  background: var(--yellow);
  color: var(--black);
}

.btn.dark {
  background: var(--black);
  color: var(--yellow);
}

.services {
  background: var(--black);
  color: var(--white);
  padding: 62px 7%;
}

.services h2,
.contact h2 {
  color: var(--yellow);
  text-align: center;
  text-transform: uppercase;
  font-size: clamp(34px, 5vw, 58px);
  letter-spacing: 3px;
  margin-bottom: 36px;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.service-card {
  background: #1b2227;
  border: 4px solid var(--yellow);
  padding: 28px 22px;
  border-radius: 14px;
  text-align: center;
  font-family: Arial, sans-serif;
}

.service-icon {
  font-size: 48px;
  margin-bottom: 12px;
}

.service-card h3 {
  color: var(--yellow);
  text-transform: uppercase;
  font-size: 18px;
  margin-bottom: 12px;
}

.service-card p {
  line-height: 1.55;
  font-size: 15px;
}

.contact {
  background: var(--yellow);
  padding: 58px 7%;
  text-align: center;
}

.contact p {
  font-family: Arial, sans-serif;
  font-weight: 900;
  font-size: 20px;
  margin-bottom: 26px;
}

.contact-actions {
  display: flex;
  justify-content: center;
  gap: 18px;
  flex-wrap: wrap;
}

.contact-actions a {
  background: var(--black);
  color: var(--yellow);
  text-decoration: none;
  padding: 16px 22px;
  border-radius: 8px;
  font-family: Arial, sans-serif;
  font-weight: 900;
}

.floating-whatsapp {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 30;
  width: 62px;
  height: 62px;
  border-radius: 50%;
  background: #25d366;
  color: white;
  text-decoration: none;
  font-size: 30px;
  display: grid;
  place-items: center;
  box-shadow: 0 10px 28px rgba(0,0,0,.35);
}

footer {
  background: var(--black);
  color: var(--white);
  padding: 24px 7%;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  font-family: Arial, sans-serif;
}

footer strong {
  color: var(--yellow);
}

@media (max-width: 1000px) {
  .topbar,
  footer {
    flex-direction: column;
    text-align: center;
  }

  .nav {
    flex-wrap: wrap;
    justify-content: center;
    gap: 18px;
  }

  .hero {
    min-height: auto;
    padding: 38px 18px;
  }

  .poster {
    padding: 28px 18px 34px;
    border-width: 5px;
    box-shadow: 9px 9px 0 rgba(0,0,0,.9);
  }

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

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

  .phone {
    letter-spacing: -1px;
  }
}

@media (max-width: 620px) {
  .brand {
    letter-spacing: 3px;
  }

  .badges,
  .service-grid {
    grid-template-columns: 1fr;
  }

  h1 {
    text-shadow: 3px 3px 0 rgba(255,255,255,.7);
  }

  .phone {
    white-space: normal;
    font-size: clamp(46px, 17vw, 82px);
  }

  .badge {
    border-right: none;
    border-bottom: 2px solid rgba(255,255,255,.18);
  }

  .badge:last-child {
    border-bottom: none;
  }
}