:root {
  --navy-950: #07111f;
  --navy-900: #0a1728;
  --navy-800: #10243d;
  --blue-700: #1264e3;
  --blue-600: #1f75f0;
  --blue-500: #3b8cff;
  --cyan-400: #35d8ff;
  --cyan-200: #b9f2ff;
  --green-500: #22c55e;
  --slate-900: #172033;
  --slate-700: #42506a;
  --slate-600: #5d6a80;
  --slate-400: #9ba7b8;
  --slate-200: #dfe5ed;
  --slate-100: #edf2f7;
  --surface: #ffffff;
  --surface-alt: #f6f8fb;
  --shadow-sm: 0 8px 28px rgba(7, 17, 31, .08);
  --shadow-lg: 0 26px 70px rgba(7, 17, 31, .16);
  --radius-sm: 12px;
  --radius-md: 20px;
  --radius-lg: 30px;
  --container: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--slate-900);
  background: var(--surface);
  line-height: 1.6;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }

.skip-link {
  position: fixed;
  left: 16px;
  top: -100px;
  z-index: 9999;
  padding: 10px 14px;
  border-radius: 10px;
  color: #fff;
  background: var(--navy-950);
}
.skip-link:focus { top: 16px; }

.container { width: min(calc(100% - 40px), var(--container)); margin-inline: auto; }
.section { padding: 96px 0; }
.section-tight { padding: 68px 0; }
.section-alt { background: var(--surface-alt); }
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
  color: var(--blue-700);
  font-size: .8rem;
  font-weight: 800;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.eyebrow::before { content: ""; width: 24px; height: 2px; background: var(--blue-600); }
.section-heading { max-width: 760px; margin-bottom: 46px; }
.section-heading h2,
.page-intro h1 {
  margin: 0 0 18px;
  color: var(--navy-950);
  font-size: clamp(2rem, 4vw, 3.4rem);
  line-height: 1.08;
  letter-spacing: -.045em;
}
.section-heading p,
.page-intro p { margin: 0; max-width: 700px; color: var(--slate-600); font-size: 1.08rem; }

.topbar {
  background: var(--navy-950);
  color: #dce9f7;
  font-size: .84rem;
}
.topbar .container {
  min-height: 36px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.topbar a { color: #fff; font-weight: 700; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  border-bottom: 1px solid rgba(15, 36, 61, .08);
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(16px);
  transition: box-shadow .25s ease;
}
.site-header.is-scrolled { box-shadow: 0 12px 36px rgba(7,17,31,.1); }
.nav-wrap { min-height: 78px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand { display: inline-flex; align-items: center; gap: 12px; min-width: 190px; }
.brand-mark { width: 44px; height: 44px; flex: 0 0 44px; }
.brand-copy { display: flex; flex-direction: column; line-height: 1.02; }
.brand-copy strong { color: var(--navy-950); font-size: 1.12rem; letter-spacing: -.03em; }
.brand-copy span { margin-top: 4px; color: var(--blue-700); font-size: .67rem; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; }
.nav-links { display: flex; align-items: center; gap: 26px; }
.nav-links > a { position: relative; color: #263650; font-size: .94rem; font-weight: 700; }
.nav-links > a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: -9px;
  height: 2px;
  background: var(--blue-600);
  transition: right .2s ease;
}
.nav-links > a:hover::after,
.nav-links > a[aria-current="page"]::after { right: 0; }
.nav-actions { display: flex; align-items: center; gap: 10px; }
.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--slate-200);
  border-radius: 12px;
  background: #fff;
  color: var(--navy-950);
}
.menu-toggle span,
.menu-toggle::before,
.menu-toggle::after {
  content: "";
  display: block;
  width: 20px;
  height: 2px;
  margin: 4px auto;
  background: currentColor;
  transition: transform .2s ease, opacity .2s ease;
}
.menu-toggle.is-open span { opacity: 0; }
.menu-toggle.is-open::before { transform: translateY(6px) rotate(45deg); }
.menu-toggle.is-open::after { transform: translateY(-6px) rotate(-45deg); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  min-height: 48px;
  padding: 0 20px;
  border: 1px solid transparent;
  border-radius: 13px;
  font-weight: 800;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { color: #fff; background: linear-gradient(135deg, var(--blue-700), var(--blue-500)); box-shadow: 0 12px 30px rgba(18,100,227,.24); }
.btn-primary:hover { box-shadow: 0 16px 38px rgba(18,100,227,.33); }
.btn-dark { color: #fff; background: var(--navy-950); }
.btn-light { color: var(--navy-950); background: #fff; box-shadow: var(--shadow-sm); }
.btn-outline { color: var(--navy-950); border-color: var(--slate-200); background: transparent; }
.btn-whatsapp { color: #fff; background: #1ebd5a; box-shadow: 0 12px 28px rgba(34,197,94,.22); }
.btn-sm { min-height: 42px; padding-inline: 16px; font-size: .88rem; }
.icon { width: 19px; height: 19px; flex: 0 0 19px; }

.hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 85% 20%, rgba(53,216,255,.18), transparent 30%),
    linear-gradient(135deg, #07111f 0%, #0b1c32 60%, #0e2949 100%);
  color: #fff;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: .22;
  background-image: linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: linear-gradient(to bottom, #000, transparent 85%);
}
.hero .container { position: relative; z-index: 1; min-height: 700px; display: grid; grid-template-columns: 1.03fr .97fr; align-items: center; gap: 70px; padding-block: 80px; }
.hero-copy { max-width: 680px; }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 22px;
  padding: 7px 12px;
  border: 1px solid rgba(185,242,255,.22);
  border-radius: 999px;
  color: #d9f9ff;
  background: rgba(53,216,255,.08);
  font-size: .82rem;
  font-weight: 800;
}
.hero-badge i { width: 8px; height: 8px; border-radius: 50%; background: var(--green-500); box-shadow: 0 0 0 6px rgba(34,197,94,.12); }
.hero h1 {
  margin: 0 0 22px;
  max-width: 720px;
  font-size: clamp(2.7rem, 6vw, 5.25rem);
  line-height: .98;
  letter-spacing: -.06em;
}
.hero h1 span { color: var(--cyan-400); }
.hero-copy > p { margin: 0; max-width: 620px; color: #c3d1e2; font-size: clamp(1.05rem, 1.6vw, 1.2rem); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.hero-proof { display: flex; flex-wrap: wrap; gap: 22px; margin-top: 36px; color: #dbe7f4; font-size: .9rem; }
.hero-proof span { display: flex; align-items: center; gap: 8px; }
.hero-proof svg { width: 18px; color: var(--cyan-400); }
.hero-visual { position: relative; min-height: 520px; display: grid; place-items: center; }
.signal-orbit {
  position: absolute;
  width: 490px;
  height: 490px;
  border: 1px solid rgba(53,216,255,.16);
  border-radius: 50%;
  animation: pulse-ring 4s ease-in-out infinite;
}
.signal-orbit::before,
.signal-orbit::after {
  content: "";
  position: absolute;
  inset: 52px;
  border: inherit;
  border-radius: inherit;
}
.signal-orbit::after { inset: 110px; }
@keyframes pulse-ring { 50% { transform: scale(1.025); opacity: .72; } }
.device-card {
  position: relative;
  z-index: 2;
  width: min(100%, 450px);
  padding: 24px;
  border: 1px solid rgba(255,255,255,.16);
  border-radius: 30px;
  background: linear-gradient(160deg, rgba(255,255,255,.14), rgba(255,255,255,.06));
  box-shadow: 0 35px 90px rgba(0,0,0,.28);
  backdrop-filter: blur(18px);
}
.device-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; }
.device-head strong { font-size: 1.05rem; }
.status { display: inline-flex; align-items: center; gap: 7px; color: #bcffd1; font-size: .77rem; font-weight: 800; }
.status::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--green-500); }
.coverage-map {
  position: relative;
  min-height: 255px;
  overflow: hidden;
  border-radius: 22px;
  background:
    radial-gradient(circle at 50% 48%, rgba(53,216,255,.3), transparent 12%),
    radial-gradient(circle at 50% 48%, rgba(53,216,255,.13), transparent 32%),
    linear-gradient(145deg, #102c4e, #09192c);
}
.coverage-map::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255,255,255,.06) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.06) 1px, transparent 1px);
  background-size: 28px 28px;
}
.tower {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 60px;
  height: 112px;
  transform: translate(-50%,-44%);
}
.tower::before {
  content: "";
  position: absolute;
  left: 28px;
  top: 16px;
  width: 4px;
  height: 90px;
  border-radius: 3px;
  background: #dff9ff;
  box-shadow: -18px 72px 0 -1px #dff9ff, 18px 72px 0 -1px #dff9ff;
}
.tower::after {
  content: "";
  position: absolute;
  left: 6px;
  top: 14px;
  width: 48px;
  height: 48px;
  border: 3px solid var(--cyan-400);
  border-top-color: transparent;
  border-bottom-color: transparent;
  border-radius: 50%;
  box-shadow: 0 0 30px rgba(53,216,255,.6);
}
.signal-bars { display: grid; grid-template-columns: repeat(4,1fr); gap: 10px; margin-top: 18px; }
.signal-bars > div { padding: 12px; border-radius: 14px; background: rgba(255,255,255,.08); }
.signal-bars span { display: block; color: #9fb2c9; font-size: .7rem; }
.signal-bars strong { font-size: .93rem; }
.floating-chip {
  position: absolute;
  z-index: 4;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 15px;
  border: 1px solid rgba(255,255,255,.18);
  border-radius: 15px;
  color: #fff;
  background: rgba(8,21,38,.84);
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(12px);
  font-size: .8rem;
  font-weight: 800;
}
.floating-chip svg { width: 20px; color: var(--cyan-400); }
.chip-a { left: -10px; top: 74px; }
.chip-b { right: -16px; bottom: 80px; }

.trust-strip { position: relative; z-index: 3; margin-top: -32px; }
.trust-grid {
  display: grid;
  grid-template-columns: repeat(4,1fr);
  border: 1px solid rgba(15,36,61,.08);
  border-radius: 22px;
  background: #fff;
  box-shadow: var(--shadow-lg);
}
.trust-item { display: flex; align-items: center; gap: 13px; min-height: 108px; padding: 22px; border-right: 1px solid var(--slate-100); }
.trust-item:last-child { border-right: 0; }
.trust-icon { width: 43px; height: 43px; display: grid; place-items: center; flex: 0 0 43px; border-radius: 13px; color: var(--blue-700); background: #eaf3ff; }
.trust-icon svg { width: 22px; }
.trust-item strong { display: block; color: var(--navy-950); font-size: .95rem; line-height: 1.25; }
.trust-item span { display: block; margin-top: 3px; color: var(--slate-600); font-size: .78rem; line-height: 1.35; }

.cards-3 { display: grid; grid-template-columns: repeat(3,1fr); gap: 22px; }
.card {
  position: relative;
  overflow: hidden;
  padding: 30px;
  border: 1px solid var(--slate-100);
  border-radius: var(--radius-md);
  background: #fff;
  box-shadow: 0 10px 34px rgba(7,17,31,.055);
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.card:hover { transform: translateY(-5px); border-color: #c9dcf6; box-shadow: 0 20px 48px rgba(7,17,31,.1); }
.card-number { color: var(--blue-600); font-size: .74rem; font-weight: 900; letter-spacing: .14em; }
.card-icon { width: 54px; height: 54px; display: grid; place-items: center; margin-bottom: 26px; border-radius: 16px; color: var(--blue-700); background: linear-gradient(145deg, #e9f4ff, #f3fbff); }
.card-icon svg { width: 27px; }
.card h3 { margin: 0 0 10px; color: var(--navy-950); font-size: 1.26rem; letter-spacing: -.025em; }
.card p { margin: 0; color: var(--slate-600); }
.card-link { display: inline-flex; align-items: center; gap: 7px; margin-top: 22px; color: var(--blue-700); font-weight: 800; font-size: .9rem; }
.card-link svg { width: 16px; transition: transform .18s ease; }
.card-link:hover svg { transform: translateX(4px); }

.split { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 76px; }
.check-list { display: grid; gap: 15px; margin: 26px 0 0; padding: 0; list-style: none; }
.check-list li { display: flex; gap: 12px; color: var(--slate-700); }
.check-list svg { width: 22px; flex: 0 0 22px; margin-top: 2px; color: var(--blue-600); }
.info-panel {
  position: relative;
  min-height: 460px;
  overflow: hidden;
  padding: 30px;
  border-radius: var(--radius-lg);
  color: #fff;
  background: linear-gradient(145deg, var(--navy-950), #12365e);
  box-shadow: var(--shadow-lg);
}
.info-panel::before {
  content: "";
  position: absolute;
  width: 400px;
  height: 400px;
  right: -190px;
  top: -160px;
  border-radius: 50%;
  background: rgba(53,216,255,.14);
  box-shadow: 0 0 0 60px rgba(53,216,255,.06), 0 0 0 120px rgba(53,216,255,.03);
}
.info-panel > * { position: relative; z-index: 1; }
.info-panel h3 { margin: 0 0 10px; font-size: 1.65rem; }
.info-panel p { margin: 0; color: #b9c9db; }
.mini-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 12px; margin-top: 34px; }
.mini-card { min-height: 130px; padding: 18px; border: 1px solid rgba(255,255,255,.11); border-radius: 17px; background: rgba(255,255,255,.07); }
.mini-card svg { width: 24px; margin-bottom: 18px; color: var(--cyan-400); }
.mini-card strong { display: block; }
.mini-card span { display: block; margin-top: 4px; color: #aabbd0; font-size: .8rem; }

.process { counter-reset: steps; display: grid; grid-template-columns: repeat(4,1fr); gap: 0; }
.process-step { position: relative; padding: 28px 24px 28px 0; }
.process-step:not(:last-child)::after { content: ""; position: absolute; top: 51px; left: 64px; right: 18px; height: 1px; background: linear-gradient(90deg, var(--blue-500), var(--slate-200)); }
.step-number { position: relative; z-index: 1; width: 48px; height: 48px; display: grid; place-items: center; margin-bottom: 23px; border-radius: 15px; color: #fff; background: var(--blue-700); box-shadow: 0 10px 26px rgba(18,100,227,.22); font-weight: 900; }
.process-step h3 { margin: 0 0 8px; color: var(--navy-950); font-size: 1.05rem; }
.process-step p { margin: 0; color: var(--slate-600); font-size: .92rem; }

.use-cases { display: grid; grid-template-columns: repeat(4,1fr); gap: 14px; }
.use-case { min-height: 180px; display: flex; flex-direction: column; justify-content: flex-end; padding: 22px; border-radius: 18px; color: #fff; background: linear-gradient(145deg, #0b1b30, #18436f); }
.use-case:nth-child(2) { background: linear-gradient(145deg, #0d2747, #1264e3); }
.use-case:nth-child(3) { background: linear-gradient(145deg, #102c4e, #147e99); }
.use-case:nth-child(4) { background: linear-gradient(145deg, #132238, #34557c); }
.use-case svg { width: 30px; margin-bottom: 34px; color: var(--cyan-400); }
.use-case strong { font-size: 1.05rem; }
.use-case span { margin-top: 4px; color: rgba(255,255,255,.72); font-size: .83rem; }

.testimonials { display: grid; grid-template-columns: repeat(3,1fr); gap: 22px; }
.quote-card { padding: 28px; border: 1px solid var(--slate-100); border-radius: var(--radius-md); background: #fff; box-shadow: var(--shadow-sm); }
.quote-mark { color: var(--blue-600); font-size: 3.4rem; font-family: Georgia, serif; line-height: .7; }
.quote-card blockquote { margin: 18px 0 24px; color: var(--slate-700); font-size: .97rem; }
.quote-card footer { border-top: 1px solid var(--slate-100); padding-top: 18px; }
.quote-card strong { display: block; color: var(--navy-950); }
.quote-card span { color: var(--slate-600); font-size: .82rem; }

.faq { display: grid; gap: 12px; max-width: 920px; }
.faq-item { border: 1px solid var(--slate-200); border-radius: 15px; background: #fff; }
.faq-item summary { position: relative; padding: 20px 54px 20px 20px; color: var(--navy-950); font-weight: 800; cursor: pointer; list-style: none; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; position: absolute; right: 20px; top: 50%; transform: translateY(-50%); color: var(--blue-600); font-size: 1.35rem; }
.faq-item[open] summary::after { content: "–"; }
.faq-item p { margin: 0; padding: 0 20px 20px; color: var(--slate-600); }

.cta-band { position: relative; overflow: hidden; border-radius: 30px; color: #fff; background: linear-gradient(125deg, var(--blue-700), #0d3f88 65%, var(--navy-950)); box-shadow: var(--shadow-lg); }
.cta-band::after { content: ""; position: absolute; width: 420px; height: 420px; right: -180px; top: -220px; border: 1px solid rgba(255,255,255,.18); border-radius: 50%; box-shadow: 0 0 0 65px rgba(255,255,255,.06), 0 0 0 130px rgba(255,255,255,.035); }
.cta-inner { position: relative; z-index: 1; display: flex; align-items: center; justify-content: space-between; gap: 34px; padding: 52px; }
.cta-inner h2 { margin: 0 0 10px; font-size: clamp(1.8rem, 4vw, 3rem); line-height: 1.05; letter-spacing: -.04em; }
.cta-inner p { margin: 0; max-width: 650px; color: #d4e5fb; }
.cta-actions { display: flex; flex-wrap: wrap; gap: 10px; flex: 0 0 auto; }

.page-hero { position: relative; overflow: hidden; padding: 88px 0 78px; color: #fff; background: linear-gradient(135deg, var(--navy-950), #0d2a4a); }
.page-hero::after { content: ""; position: absolute; width: 520px; height: 520px; right: -180px; top: -280px; border-radius: 50%; background: rgba(53,216,255,.1); box-shadow: 0 0 0 75px rgba(53,216,255,.045), 0 0 0 150px rgba(53,216,255,.025); }
.breadcrumbs { position: relative; z-index: 1; display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 25px; color: #a9bed5; font-size: .82rem; }
.breadcrumbs a:hover { color: #fff; }
.page-intro { position: relative; z-index: 1; max-width: 820px; }
.page-intro h1 { color: #fff; }
.page-intro p { color: #c0d0e1; }
.page-intro .hero-actions { margin-top: 30px; }

.content-grid { display: grid; grid-template-columns: minmax(0, 1fr) 330px; gap: 58px; align-items: start; }
.prose { max-width: 780px; }
.prose h2 { margin: 48px 0 15px; color: var(--navy-950); font-size: clamp(1.55rem, 3vw, 2.2rem); letter-spacing: -.035em; line-height: 1.15; }
.prose h2:first-child { margin-top: 0; }
.prose h3 { margin: 30px 0 10px; color: var(--navy-950); font-size: 1.25rem; }
.prose p, .prose li { color: var(--slate-700); }
.prose ul { padding-left: 22px; }
.prose a { color: var(--blue-700); font-weight: 700; text-decoration: underline; text-underline-offset: 3px; }
.sidebar-card { position: sticky; top: 120px; padding: 25px; border: 1px solid var(--slate-100); border-radius: 20px; background: #fff; box-shadow: var(--shadow-sm); }
.sidebar-card h2 { margin: 0 0 10px; color: var(--navy-950); font-size: 1.25rem; }
.sidebar-card p { margin: 0 0 20px; color: var(--slate-600); font-size: .9rem; }
.sidebar-card .btn { width: 100%; }
.sidebar-list { display: grid; gap: 9px; margin: 20px 0; padding: 18px 0; border-block: 1px solid var(--slate-100); }
.sidebar-list a { display: flex; align-items: center; justify-content: space-between; color: var(--slate-700); font-size: .88rem; font-weight: 700; }
.sidebar-list a:hover { color: var(--blue-700); }

.contact-layout { display: grid; grid-template-columns: .84fr 1.16fr; gap: 58px; align-items: start; }
.contact-cards { display: grid; gap: 13px; margin-top: 30px; }
.contact-card { display: flex; align-items: center; gap: 15px; padding: 18px; border: 1px solid var(--slate-100); border-radius: 16px; background: #fff; }
.contact-card .card-icon { width: 45px; height: 45px; flex: 0 0 45px; margin: 0; }
.contact-card strong { display: block; color: var(--navy-950); }
.contact-card span { display: block; color: var(--slate-600); font-size: .84rem; }
.form-card { padding: 34px; border: 1px solid var(--slate-100); border-radius: 24px; background: #fff; box-shadow: var(--shadow-lg); }
.form-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 18px; }
.form-field { display: grid; gap: 7px; }
.form-field.full { grid-column: 1 / -1; }
.form-field label { color: var(--navy-950); font-size: .84rem; font-weight: 800; }
.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  min-height: 50px;
  padding: 12px 14px;
  border: 1px solid #cfd8e4;
  border-radius: 12px;
  outline: none;
  color: var(--slate-900);
  background: #fff;
  transition: border-color .18s ease, box-shadow .18s ease;
}
.form-field textarea { min-height: 130px; resize: vertical; }
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus { border-color: var(--blue-500); box-shadow: 0 0 0 4px rgba(59,140,255,.12); }
.form-hint { margin: 14px 0 0; color: var(--slate-600); font-size: .78rem; }
.form-status { min-height: 24px; margin-top: 12px; color: var(--blue-700); font-size: .84rem; font-weight: 700; }

.site-footer { margin-top: 96px; color: #b7c7d9; background: var(--navy-950); }
.footer-main { display: grid; grid-template-columns: 1.25fr .75fr .75fr 1fr; gap: 42px; padding: 64px 0 42px; }
.footer-brand .brand-copy strong { color: #fff; }
.footer-brand p { max-width: 330px; margin: 20px 0 0; color: #9eb0c5; font-size: .9rem; }
.footer-col h2 { margin: 0 0 17px; color: #fff; font-size: .88rem; letter-spacing: .07em; text-transform: uppercase; }
.footer-col a { display: block; margin: 8px 0; color: #adbed1; font-size: .88rem; }
.footer-col a:hover { color: #fff; }
.footer-contact { display: grid; gap: 9px; color: #adbed1; font-size: .88rem; }
.footer-contact a { margin: 0; }
.footer-bottom { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 20px 0 26px; border-top: 1px solid rgba(255,255,255,.08); color: #8398ae; font-size: .78rem; }
.footer-bottom a { color: #b8c7d7; }

.whatsapp-float {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 999;
  width: 58px;
  height: 58px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: #fff;
  background: #20bd5a;
  box-shadow: 0 14px 34px rgba(24,141,70,.34);
  transition: transform .18s ease;
}
.whatsapp-float:hover { transform: translateY(-4px) scale(1.03); }
.whatsapp-float svg { width: 29px; }

.notice { padding: 18px; border-left: 4px solid var(--blue-600); border-radius: 8px 14px 14px 8px; color: var(--slate-700); background: #edf5ff; }
.error-page { min-height: 70vh; display: grid; place-items: center; text-align: center; }
.error-page strong { color: var(--blue-600); font-size: 7rem; line-height: 1; }
.error-page h1 { margin: 10px 0; font-size: 2rem; }
.error-page p { max-width: 560px; color: var(--slate-600); }

.reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.reveal.is-visible { opacity: 1; transform: none; }

@media (max-width: 1050px) {
  .nav-links { position: fixed; inset: 114px 20px auto; display: none; padding: 20px; border: 1px solid var(--slate-100); border-radius: 18px; background: #fff; box-shadow: var(--shadow-lg); }
  .nav-links.is-open { display: grid; gap: 6px; }
  .nav-links > a { padding: 12px; }
  .nav-links > a::after { display: none; }
  .menu-toggle { display: block; }
  .nav-actions .btn { display: none; }
  .hero .container { grid-template-columns: 1fr; min-height: auto; gap: 30px; padding-block: 76px 100px; }
  .hero-copy { max-width: 800px; }
  .hero-visual { min-height: 480px; }
  .trust-grid { grid-template-columns: repeat(2,1fr); }
  .trust-item:nth-child(2) { border-right: 0; }
  .trust-item:nth-child(-n+2) { border-bottom: 1px solid var(--slate-100); }
  .split { gap: 45px; }
  .cards-3, .testimonials { grid-template-columns: repeat(2,1fr); }
  .cards-3 .card:last-child, .testimonials .quote-card:last-child { grid-column: 1 / -1; }
  .use-cases { grid-template-columns: repeat(2,1fr); }
  .footer-main { grid-template-columns: 1.2fr 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
  .content-grid { grid-template-columns: 1fr; }
  .sidebar-card { position: static; }
}

@media (max-width: 760px) {
  .container { width: min(calc(100% - 28px), var(--container)); }
  .section { padding: 72px 0; }
  .section-tight { padding: 52px 0; }
  .topbar .container { min-height: 42px; justify-content: center; text-align: center; }
  .topbar span:last-child { display: none; }
  .nav-wrap { min-height: 70px; }
  .brand { min-width: 0; }
  .brand-mark { width: 40px; height: 40px; flex-basis: 40px; }
  .nav-links { inset: 112px 14px auto; }
  .hero .container { padding-block: 64px 88px; }
  .hero h1 { font-size: clamp(2.55rem, 14vw, 4rem); }
  .hero-actions .btn { width: 100%; }
  .hero-proof { display: grid; gap: 10px; }
  .hero-visual { min-height: 390px; }
  .signal-orbit { width: 380px; height: 380px; }
  .device-card { padding: 18px; }
  .chip-a { left: -4px; top: 20px; }
  .chip-b { right: -2px; bottom: 20px; }
  .floating-chip { padding: 9px 11px; font-size: .72rem; }
  .coverage-map { min-height: 220px; }
  .trust-strip { margin-top: -24px; }
  .trust-grid { grid-template-columns: 1fr; }
  .trust-item { min-height: 90px; border-right: 0; border-bottom: 1px solid var(--slate-100); }
  .trust-item:last-child { border-bottom: 0; }
  .cards-3, .testimonials, .split, .contact-layout, .form-grid { grid-template-columns: 1fr; }
  .cards-3 .card:last-child, .testimonials .quote-card:last-child, .form-field.full { grid-column: auto; }
  .process { grid-template-columns: 1fr; }
  .process-step { display: grid; grid-template-columns: 52px 1fr; column-gap: 16px; padding: 14px 0; }
  .process-step:not(:last-child)::after { top: 61px; bottom: -4px; left: 24px; right: auto; width: 1px; height: auto; }
  .step-number { grid-row: 1 / span 2; }
  .process-step h3 { padding-top: 5px; }
  .use-cases { grid-template-columns: 1fr; }
  .cta-inner { align-items: flex-start; flex-direction: column; padding: 34px 25px; }
  .cta-actions, .cta-actions .btn { width: 100%; }
  .page-hero { padding: 64px 0 58px; }
  .form-card { padding: 24px 18px; }
  .footer-main { grid-template-columns: 1fr 1fr; gap: 32px; }
  .footer-brand { grid-column: 1 / -1; }
  .footer-bottom { align-items: flex-start; flex-direction: column; }
}

@media (max-width: 480px) {
  .signal-bars { grid-template-columns: repeat(2,1fr); }
  .mini-grid { grid-template-columns: 1fr; }
  .info-panel { min-height: auto; }
  .footer-main { grid-template-columns: 1fr; }
  .whatsapp-float { width: 54px; height: 54px; right: 14px; bottom: 14px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}