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

:root {
  --blue-dark: #003b8f;
  --blue: #005fc5;
  --cyan: #00a8f0;
  --green: #75c900;
  --orange: #ff9200;
  --text: #092543;
  --muted: #55708a;
  --white: #ffffff;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: Arial, Helvetica, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 10% 8%, rgba(0,168,240,.23) 0, transparent 28%),
    radial-gradient(circle at 90% 12%, rgba(117,201,0,.18) 0, transparent 26%),
    radial-gradient(circle at 50% 100%, rgba(0,59,143,.16) 0, transparent 36%),
    linear-gradient(135deg, #f8fdff 0%, #eaf8ff 45%, #f7fdff 100%);
  min-height: 100vh;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(0,95,197,.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,95,197,.055) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: linear-gradient(to bottom, rgba(0,0,0,.85), transparent 78%);
}

.site {
  position: relative;
  max-width: 1120px;
  margin: 0 auto;
  padding: 28px 18px 36px;
}

.hero {
  position: relative;
  overflow: hidden;
  min-height: 660px;
  padding: 34px 44px 48px;
  border-radius: 34px;
  background:
    radial-gradient(circle at 12% 0%, rgba(0,168,240,.20) 0, transparent 30%),
    radial-gradient(circle at 100% 20%, rgba(117,201,0,.18) 0, transparent 30%),
    linear-gradient(135deg, rgba(255,255,255,.92), rgba(232,248,255,.92));
  box-shadow: 0 24px 70px rgba(0,91,150,.16);
  isolation: isolate;
}

.hero-bg-lines {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(120deg, transparent 0 22%, rgba(255,255,255,.70) 22% 23%, transparent 23% 100%),
    linear-gradient(145deg, transparent 0 62%, rgba(0,168,240,.13) 62% 63%, transparent 63% 100%);
}

.hero::before {
  content: "";
  position: absolute;
  width: 420px;
  height: 420px;
  right: -140px;
  top: -120px;
  border-radius: 50%;
  background: conic-gradient(from 180deg, rgba(0,168,240,.24), rgba(117,201,0,.18), transparent, rgba(0,59,143,.22));
  filter: blur(5px);
  z-index: -1;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 36px;
}

.logo {
  width: 235px;
  max-width: 100%;
  display: block;
}

.nav-links {
  display: flex;
  gap: 22px;
}

.nav-links a {
  color: var(--blue-dark);
  text-decoration: none;
  font-weight: 800;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.12fr .88fr;
  gap: 34px;
  align-items: center;
}

.tagline {
  display: inline-block;
  padding: 9px 16px;
  margin-bottom: 18px;
  border-radius: 999px;
  background: rgba(0,168,240,.10);
  color: #006aad;
  font-weight: 800;
  border: 1px solid rgba(0,168,240,.20);
}

h1 {
  font-size: clamp(38px, 6vw, 64px);
  line-height: .98;
  color: var(--blue-dark);
  margin-bottom: 18px;
  letter-spacing: -1.5px;
}

.lead {
  max-width: 650px;
  font-size: 19px;
  color: #214765;
  margin-bottom: 22px;
}

.notice {
  max-width: 690px;
  padding: 20px;
  border-radius: 22px;
  background: rgba(255,255,255,.78);
  border: 1px solid rgba(0,168,240,.18);
  box-shadow: 0 12px 30px rgba(0,91,150,.08);
  backdrop-filter: blur(8px);
}

.notice p {
  margin-bottom: 12px;
}

.notice p:last-child {
  margin-bottom: 0;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.actions.center {
  justify-content: center;
}

.btn {
  display: inline-block;
  text-decoration: none;
  padding: 14px 20px;
  border-radius: 999px;
  font-weight: 800;
  transition: transform .2s ease, box-shadow .2s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: linear-gradient(135deg, var(--blue-dark), var(--cyan));
  color: white;
  box-shadow: 0 12px 24px rgba(0,95,197,.25);
}

.btn-whatsapp {
  background: linear-gradient(135deg, #18b743, #85df39);
  color: white;
  box-shadow: 0 12px 24px rgba(34,197,94,.25);
}

.hero-visual {
  position: relative;
  min-height: 430px;
  display: grid;
  place-items: center;
}

.orbit {
  position: absolute;
  border: 1px solid rgba(0,95,197,.16);
  border-radius: 50%;
}

.orbit-one {
  width: 360px;
  height: 360px;
}

.orbit-two {
  width: 270px;
  height: 270px;
  transform: rotate(25deg);
}

.support-screen {
  position: relative;
  width: 310px;
  border-radius: 28px;
  overflow: hidden;
  background: linear-gradient(145deg, #073b89, #005fc5 55%, #00a8f0);
  box-shadow:
    0 35px 65px rgba(0,59,143,.30),
    inset 0 1px 0 rgba(255,255,255,.35);
  transform: perspective(800px) rotateY(-12deg) rotateX(4deg);
  z-index: 2;
}

.screen-top {
  height: 48px;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 18px;
  background: rgba(255,255,255,.14);
}

.screen-top span {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: rgba(255,255,255,.85);
}

.screen-body {
  height: 245px;
  padding: 28px;
  display: grid;
  grid-template-columns: 88px 1fr;
  gap: 22px;
  align-items: center;
}

.pulse {
  width: 86px;
  height: 86px;
  border-radius: 50%;
  background: radial-gradient(circle, #9dff72 0 18%, rgba(157,255,114,.18) 19% 55%, transparent 56%);
  box-shadow: 0 0 36px rgba(157,255,114,.45);
}

.code-lines span {
  display: block;
  height: 9px;
  margin-bottom: 15px;
  border-radius: 999px;
  background: rgba(255,255,255,.82);
}

.code-lines span:nth-child(1) { width: 125px; }
.code-lines span:nth-child(2) { width: 95px; }
.code-lines span:nth-child(3) { width: 145px; }
.code-lines span:nth-child(4) { width: 75px; }

.tool-card {
  position: absolute;
  bottom: 34px;
  right: 26px;
  z-index: 4;
  padding: 16px 18px;
  border-radius: 20px;
  background: rgba(255,255,255,.88);
  border: 1px solid rgba(0,168,240,.18);
  box-shadow: 0 18px 38px rgba(0,91,150,.14);
}

.tool-card span {
  display: block;
  width: 42px;
  height: 8px;
  border-radius: 999px;
  background: var(--green);
  margin-bottom: 10px;
}

.floating-icon {
  position: absolute;
  z-index: 3;
  display: grid;
  place-items: center;
  border-radius: 18px;
  background: rgba(255,255,255,.82);
  border: 1px solid rgba(0,168,240,.18);
  color: var(--blue-dark);
  font-weight: 900;
  box-shadow: 0 16px 35px rgba(0,91,150,.13);
  backdrop-filter: blur(8px);
}

.icon-pc { top: 44px; left: 48px; width: 68px; height: 56px; }
.icon-tools { top: 72px; right: 24px; width: 70px; height: 70px; font-size: 30px; }
.icon-shield { bottom: 78px; left: 25px; width: 62px; height: 62px; color: #18b743; }
.icon-wifi { bottom: 52px; right: 76px; width: 74px; height: 58px; color: var(--cyan); }

.section-title {
  text-align: center;
  margin: 42px auto 24px;
  max-width: 760px;
}

.section-title span {
  color: var(--cyan);
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-size: 13px;
}

.section-title h2,
.cta h2 {
  color: var(--blue-dark);
  font-size: clamp(28px, 4vw, 42px);
  line-height: 1.1;
}

.services {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.services article,
.plan {
  padding: 26px;
  border-radius: 28px;
  background: rgba(255,255,255,.86);
  border: 1px solid rgba(0,168,240,.14);
  box-shadow: 0 18px 46px rgba(0,91,150,.11);
  backdrop-filter: blur(8px);
}

.icon {
  font-size: 40px;
  margin-bottom: 16px;
}

.services h3,
.plan h3 {
  color: var(--blue-dark);
  margin-bottom: 10px;
  font-size: 22px;
}

.services p,
.plan p {
  color: var(--muted);
}

.benefits {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin: 28px 0;
}

.benefits div {
  min-height: 120px;
  padding: 22px;
  border-radius: 24px;
  background: linear-gradient(135deg, var(--blue-dark), var(--cyan));
  color: white;
  box-shadow: 0 18px 38px rgba(0,95,197,.16);
}

.benefits strong,
.benefits span {
  display: block;
}

.benefits strong {
  margin-bottom: 8px;
  font-size: 18px;
}

.benefits span {
  opacity: .88;
}

.plans {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-bottom: 28px;
}

.plan {
  position: relative;
}

.plan::before {
  content: "";
  position: absolute;
  inset: 0;
  height: 8px;
  border-radius: 28px 28px 0 0;
}

.card-blue::before { background: var(--cyan); }
.card-green::before { background: var(--green); }
.card-orange::before { background: var(--orange); }

.featured {
  transform: translateY(-12px);
}

.badge {
  position: absolute;
  top: 16px;
  right: 16px;
  background: linear-gradient(135deg, #18b743, #85df39);
  color: white;
  padding: 7px 12px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 900;
}

.plan ul {
  list-style: none;
  margin-top: 18px;
}

.plan li {
  margin-bottom: 9px;
  color: #183b58;
}

.plan li::before {
  content: "✓ ";
  color: var(--cyan);
  font-weight: 900;
}

.cta {
  text-align: center;
  padding: 38px 24px;
  border-radius: 30px;
  background:
    radial-gradient(circle at 50% 0, rgba(117,201,0,.18), transparent 35%),
    linear-gradient(135deg, rgba(255,255,255,.95), rgba(232,248,255,.95));
  box-shadow: 0 18px 46px rgba(0,91,150,.11);
}

.cta p {
  color: var(--muted);
  margin-top: 10px;
  font-size: 18px;
}

footer {
  text-align: center;
  padding: 30px 10px 4px;
  color: #42637d;
}

footer p {
  margin-bottom: 8px;
}

@media (max-width: 900px) {
  .nav {
    align-items: flex-start;
    flex-direction: column;
  }

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

  .hero {
    padding: 30px;
  }

  .hero-visual {
    min-height: 360px;
  }

  .services,
  .plans,
  .benefits {
    grid-template-columns: 1fr;
  }

  .featured {
    transform: none;
  }
}

@media (max-width: 560px) {
  .site {
    padding: 16px 12px 28px;
  }

  .hero {
    border-radius: 24px;
    padding: 24px;
  }

  .logo {
    width: 220px;
  }

  .nav-links {
    flex-wrap: wrap;
    gap: 14px;
  }

  .support-screen {
    width: 245px;
  }

  .screen-body {
    grid-template-columns: 1fr;
    height: 250px;
  }

  .floating-icon {
    transform: scale(.86);
  }
}