:root {
  --ink: #0d1a22;
  --ink-soft: #344753;
  --muted: #687883;
  --line: #d9e2e4;
  --paper: #f7faf9;
  --white: #ffffff;
  --brand-blue: #3a83bd;
  --brand-blue-dark: #246190;
  --amber: #f2a926;
  --graphite: #10202a;
  --shadow: 0 22px 55px rgba(9, 24, 32, 0.14);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.5;
}

a {
  color: inherit;
  text-decoration: none;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 72px;
  padding: 12px clamp(18px, 5vw, 72px);
  background: rgba(247, 250, 249, 0.92);
  border-bottom: 1px solid rgba(217, 226, 228, 0.85);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 190px;
}

.brand-logo {
  display: grid;
  width: 52px;
  height: 52px;
  object-fit: contain;
  background: var(--white);
  border-radius: 8px;
}

.brand strong,
.brand small {
  display: block;
}

.brand strong {
  font-size: 1rem;
  line-height: 1.1;
}

.brand small {
  color: var(--muted);
  font-size: 0.78rem;
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(14px, 3vw, 34px);
  color: var(--ink-soft);
  font-size: 0.95rem;
}

.site-nav a,
.header-action {
  transition: color 0.2s ease, background 0.2s ease, transform 0.2s ease;
}

.site-nav a:hover {
  color: var(--brand-blue-dark);
}

.header-action {
  padding: 11px 16px;
  color: var(--white);
  background: var(--brand-blue);
  border-radius: 8px;
  font-weight: 700;
}

.header-action:hover,
.button-primary:hover {
  background: var(--brand-blue-dark);
  transform: translateY(-1px);
}

.hero {
  position: relative;
  display: grid;
  min-height: calc(100vh - 72px);
  padding: clamp(70px, 11vw, 130px) clamp(18px, 5vw, 72px) 34px;
  overflow: hidden;
  color: var(--white);
  background:
    linear-gradient(90deg, rgba(9, 22, 30, 0.95) 0%, rgba(9, 22, 30, 0.78) 44%, rgba(9, 22, 30, 0.23) 100%),
    url("hero-tecnoredes.png") center / cover no-repeat;
}

.hero-copy {
  width: min(690px, 100%);
  align-self: center;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--amber);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 18px;
  font-size: clamp(2.55rem, 8vw, 5.7rem);
  line-height: 0.98;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 16px;
  font-size: clamp(2rem, 4vw, 3.35rem);
  line-height: 1.05;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 1.2rem;
}

.hero-text {
  width: min(640px, 100%);
  color: rgba(255, 255, 255, 0.86);
  font-size: clamp(1.05rem, 2vw, 1.28rem);
}

.hero-actions,
.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 13px 18px;
  border: 1px solid transparent;
  border-radius: 8px;
  font-weight: 800;
}

.button-primary {
  color: var(--white);
  background: var(--brand-blue);
}

.button-secondary {
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.42);
  background: rgba(255, 255, 255, 0.1);
}

.button-outline {
  color: var(--ink);
  border-color: var(--line);
  background: var(--white);
}

.hero-panel {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  align-self: end;
  width: min(980px, 100%);
  margin-top: 70px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(12px);
}

.hero-panel div {
  padding: 18px;
  background: rgba(13, 26, 34, 0.34);
}

.hero-panel span {
  display: block;
  margin-bottom: 6px;
  color: rgba(255, 255, 255, 0.64);
  font-size: 0.8rem;
}

.hero-panel strong {
  display: block;
  font-size: 1rem;
}

.section {
  padding: clamp(58px, 8vw, 92px) clamp(18px, 5vw, 72px);
}

.strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  padding-top: 0;
  padding-bottom: 0;
  background: var(--graphite);
  color: var(--white);
}

.strip-item {
  min-height: 138px;
  padding: 28px;
  background: #162832;
}

.strip-item strong,
.strip-item span {
  display: block;
}

.strip-item strong {
  margin-bottom: 8px;
  font-size: 1.12rem;
}

.strip-item span {
  color: rgba(255, 255, 255, 0.72);
}

.section-heading {
  width: min(780px, 100%);
  margin-bottom: 32px;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.service-card {
  min-height: 280px;
  padding: 24px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 12px 28px rgba(9, 24, 32, 0.06);
}

.service-icon {
  display: inline-grid;
  width: 42px;
  height: 42px;
  margin-bottom: 24px;
  place-items: center;
  color: var(--brand-blue-dark);
  background: #e3f0fa;
  border-radius: 8px;
  font-weight: 800;
}

.service-card p,
.split p,
.contact p {
  color: var(--ink-soft);
}

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(28px, 6vw, 88px);
  align-items: center;
  background: var(--white);
}

.checklist {
  display: grid;
  gap: 14px;
}

.checklist p {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin: 0;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
}

.checklist span {
  flex: 0 0 auto;
  width: 12px;
  height: 12px;
  margin-top: 6px;
  border-radius: 999px;
  background: var(--amber);
}

.contact {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
  gap: 34px;
  align-items: center;
  background: #e9f2f1;
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px 24px;
  padding: 26px clamp(18px, 5vw, 72px);
  color: rgba(255, 255, 255, 0.74);
  background: var(--graphite);
  font-size: 0.92rem;
}

.site-footer p {
  margin: 0;
}

@media (max-width: 980px) {
  .site-nav {
    display: none;
  }

  .service-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .strip,
  .hero-panel,
  .split,
  .contact {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    background-position: 58% center;
  }
}

@media (max-width: 620px) {
  .site-header {
    min-height: 66px;
    padding-inline: 14px;
  }

  .brand {
    min-width: auto;
  }

  .brand-logo {
    width: 44px;
    height: 44px;
  }

  .header-action {
    padding: 10px 12px;
    font-size: 0.9rem;
  }

  .hero {
    padding: 64px 16px 22px;
    background:
      linear-gradient(90deg, rgba(9, 22, 30, 0.96) 0%, rgba(9, 22, 30, 0.82) 68%, rgba(9, 22, 30, 0.44) 100%),
      url("hero-tecnoredes.png") center / cover no-repeat;
  }

  h1 {
    font-size: clamp(2.35rem, 15vw, 3.7rem);
  }

  .button,
  .hero-actions,
  .contact-actions {
    width: 100%;
  }

  .section {
    padding-inline: 16px;
  }

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

  .service-card {
    min-height: auto;
  }

  .strip-item {
    min-height: auto;
    padding: 24px 16px;
  }
}