@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700&display=swap');

:root {
  --navy: #0a1628;
  --navy-mid: #162340;
  --blue: #1a4fd6;
  --blue-light: #2d6aff;
  --blue-pale: #e8efff;
  --accent: #00c4a0;
  --accent-dark: #009d82;
  --white: #ffffff;
  --off-white: #f7f8fc;
  --gray-light: #eef0f6;
  --gray-mid: #9da3b4;
  --gray-dark: #4a5068;
  --text: #1a1d2e;
  --border: #e2e6f0;
  --font-display: 'Poppins', sans-serif;
  --font-body: 'Poppins', sans-serif;
  --nav-h: 68px;
  --radius: 10px;
  --radius-lg: 18px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  font-size: 16px;
  color: var(--text);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }

/* ── NAV ── */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: var(--nav-h);
  background: var(--white);
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center;
}

.nav-inner {
  max-width: 1280px; margin: 0 auto; padding: 0 32px;
  width: 100%; display: flex; align-items: center; gap: 0;
}

.nav-logo {
  font-family: var(--font-display);
  font-size: 22px; font-weight: 700;
  color: var(--navy); letter-spacing: -0.02em;
  margin-right: 48px; flex-shrink: 0;
}

.nav-logo span { color: var(--blue-light); }

.nav-items {
  display: flex; align-items: center; gap: 0;
  list-style: none; flex: 1;
}

.nav-item {
  position: relative;
}

.nav-link {
  display: flex; align-items: center; gap: 5px;
  padding: 0 18px; height: var(--nav-h);
  font-size: 14px; font-weight: 500; color: var(--gray-dark);
  cursor: pointer; white-space: nowrap;
  transition: color .15s;
  border-bottom: 2px solid transparent;
}

.nav-link:hover, .nav-item.active > .nav-link {
  color: var(--blue-light);
  border-bottom-color: var(--blue-light);
}

.nav-link svg { transition: transform .2s; }
.nav-item.open > .nav-link svg { transform: rotate(180deg); }

.nav-actions {
  display: flex; align-items: center; gap: 12px; margin-left: auto;
}

.btn-contact {
  padding: 8px 20px; border-radius: 6px;
  background: var(--blue-light); color: var(--white);
  font-size: 13px; font-weight: 500; cursor: pointer;
  transition: background .15s;
}
.btn-contact:hover { background: var(--blue); }

/* ── MEGA MENU ── */
.mega-menu {
  display: none;
  position: fixed; top: var(--nav-h); left: 0; right: 0; z-index: 99;
  background: var(--white);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 20px 60px rgba(10,22,40,.10);
}

.nav-item.open .mega-menu { display: block; }

.mega-inner {
  max-width: 1280px; margin: 0 auto; padding: 36px 32px 40px;
}

.mega-title {
  font-size: 11px; font-weight: 600; letter-spacing: .09em;
  text-transform: uppercase; color: var(--gray-mid);
  margin-bottom: 20px;
}

.mega-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}

.mega-card {
  display: block; padding: 16px 18px;
  border: 1px solid var(--border); border-radius: var(--radius);
  transition: all .15s; cursor: pointer;
  background: var(--white);
}

.mega-card:hover {
  border-color: var(--blue-light);
  background: var(--blue-pale);
  transform: translateY(-1px);
}

.mega-card-icon {
  width: 32px; height: 32px; border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 10px; font-size: 16px;
}

.mega-card-name {
  font-size: 13px; font-weight: 600; color: var(--navy);
  margin-bottom: 3px;
}

.mega-card-desc {
  font-size: 12px; color: var(--gray-mid); line-height: 1.4;
}

.mega-overlay {
  display: none; position: fixed; inset: 0; z-index: 98;
  background: rgba(10,22,40,.25);
}
.mega-overlay.active { display: block; }

/* ── HERO (landing BU) ── */
.bu-hero {
  padding-top: var(--nav-h);
  background: var(--navy);
  color: var(--white);
  min-height: 420px;
  display: flex; align-items: center;
  position: relative; overflow: hidden;
}

.bu-hero::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 60% 80% at 80% 50%, rgba(45,106,255,.18) 0%, transparent 70%);
}

.bu-hero-inner {
  max-width: 1280px; margin: 0 auto; padding: 64px 32px;
  position: relative; z-index: 1;
  display: grid; grid-template-columns: 1fr 380px; gap: 64px; align-items: center;
}

.bu-hero-eyebrow {
  font-size: 12px; font-weight: 600; letter-spacing: .1em;
  text-transform: uppercase; color: var(--accent);
  margin-bottom: 16px;
}

.bu-hero-title {
  font-family: var(--font-display);
  font-size: clamp(32px, 4vw, 52px); font-weight: 700;
  line-height: 1.1; letter-spacing: -.02em;
  margin-bottom: 20px;
}

.bu-hero-lead {
  font-size: 17px; font-weight: 300;
  color: rgba(255,255,255,.75); line-height: 1.65;
  max-width: 560px;
}

.bu-hero-ctas {
  display: flex; gap: 12px; margin-top: 32px; flex-wrap: wrap;
}

.btn-primary {
  padding: 12px 24px; border-radius: 7px;
  background: var(--accent); color: var(--navy);
  font-size: 14px; font-weight: 600; cursor: pointer;
  transition: background .15s;
}
.btn-primary:hover { background: var(--accent-dark); }

.btn-secondary {
  padding: 12px 24px; border-radius: 7px;
  border: 1px solid rgba(255,255,255,.25); color: var(--white);
  font-size: 14px; font-weight: 500; cursor: pointer;
  transition: all .15s;
}
.btn-secondary:hover { border-color: rgba(255,255,255,.6); background: rgba(255,255,255,.06); }

.bu-hero-stats {
  display: grid; gap: 16px;
}

.stat-card {
  background: rgba(255,255,255,.07);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--radius); padding: 20px 24px;
}

.stat-num {
  font-family: var(--font-display);
  font-size: 32px; font-weight: 700; color: var(--accent);
  letter-spacing: -.02em; line-height: 1;
}

.stat-label {
  font-size: 13px; color: rgba(255,255,255,.6); margin-top: 4px;
}

/* ── SECTIONS ── */
.section {
  padding: 72px 0;
}

.section-alt { background: var(--off-white); }

.container {
  max-width: 1280px; margin: 0 auto; padding: 0 32px;
}

.section-label {
  font-size: 11px; font-weight: 600; letter-spacing: .1em;
  text-transform: uppercase; color: var(--blue-light);
  margin-bottom: 12px;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(24px, 3vw, 36px); font-weight: 700;
  letter-spacing: -.02em; color: var(--navy);
  margin-bottom: 16px;
}

.section-lead {
  font-size: 16px; color: var(--gray-dark);
  max-width: 640px; line-height: 1.7;
}

/* ── RETOS GRID ── */
.challenges-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px;
  margin-top: 40px;
}

.challenge-card {
  padding: 24px; border: 1px solid var(--border);
  border-radius: var(--radius); background: var(--white);
}

.challenge-num {
  font-family: var(--font-display);
  font-size: 28px; font-weight: 700; color: var(--blue-pale);
  letter-spacing: -.03em; margin-bottom: 8px;
  -webkit-text-stroke: 1px var(--blue-light);
  color: transparent;
}

.challenge-text {
  font-size: 14px; color: var(--gray-dark); line-height: 1.6;
}

/* ── PORTFOLIO ── */
.portfolio-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px;
  margin-top: 40px;
}

.portfolio-card {
  padding: 28px; background: var(--white);
  border: 1px solid var(--border); border-radius: var(--radius-lg);
  transition: all .2s;
}

.portfolio-card:hover {
  border-color: var(--blue-light);
  box-shadow: 0 8px 32px rgba(26,79,214,.08);
}

.portfolio-card-tag {
  display: inline-block; font-size: 11px; font-weight: 600;
  letter-spacing: .07em; text-transform: uppercase;
  padding: 3px 10px; border-radius: 20px; margin-bottom: 14px;
  background: var(--blue-pale); color: var(--blue);
}

.portfolio-card-title {
  font-family: var(--font-display);
  font-size: 17px; font-weight: 700; color: var(--navy);
  margin-bottom: 10px;
}

.portfolio-card-text {
  font-size: 14px; color: var(--gray-dark); line-height: 1.65;
}

/* ── PARTNERS ── */
.partners-strip {
  display: flex; gap: 12px; flex-wrap: wrap;
  margin-top: 32px;
}

.partner-badge {
  padding: 8px 18px; border-radius: 6px;
  border: 1px solid var(--border); background: var(--white);
  font-size: 13px; font-weight: 600; color: var(--gray-dark);
}

/* ── CTA BAND ── */
.cta-band {
  background: var(--navy); color: var(--white);
  padding: 64px 0;
}

.cta-band-inner {
  max-width: 1280px; margin: 0 auto; padding: 0 32px;
  display: flex; align-items: center; justify-content: space-between; gap: 32px;
}

.cta-band-title {
  font-family: var(--font-display);
  font-size: 28px; font-weight: 700; letter-spacing: -.02em;
}

.cta-band-sub {
  font-size: 15px; color: rgba(255,255,255,.6); margin-top: 6px;
}

/* ── BREADCRUMB ── */
.breadcrumb {
  background: var(--gray-light); padding: 10px 0;
  border-bottom: 1px solid var(--border);
}

.breadcrumb-inner {
  max-width: 1280px; margin: 0 auto; padding: 0 32px;
  display: flex; align-items: center; gap: 6px;
  font-size: 12px; color: var(--gray-mid);
}

.breadcrumb-inner a { color: var(--blue-light); }
.breadcrumb-inner span { color: var(--gray-mid); }

/* ── SUB-NAV BU ── */
.bu-subnav {
  background: var(--white); border-bottom: 1px solid var(--border);
  position: sticky; top: var(--nav-h); z-index: 90;
}

.bu-subnav-inner {
  max-width: 1280px; margin: 0 auto; padding: 0 32px;
  display: flex; gap: 0;
}

.bu-subnav-link {
  padding: 14px 20px; font-size: 13px; font-weight: 500;
  color: var(--gray-dark); cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: all .15s; white-space: nowrap;
}

.bu-subnav-link:hover, .bu-subnav-link.active {
  color: var(--blue-light); border-bottom-color: var(--blue-light);
}

/* ── CONNECTIVITY BANNER ── */
.connectivity-banner {
  background: linear-gradient(135deg, var(--navy-mid) 0%, #0e3060 100%);
  border-radius: var(--radius-lg); padding: 32px 36px;
  display: flex; align-items: center; justify-content: space-between;
  gap: 24px; margin-top: 40px;
  border: 1px solid rgba(255,255,255,.08);
}

.connectivity-banner-text h3 {
  font-family: var(--font-display);
  font-size: 20px; font-weight: 700; color: var(--white);
  margin-bottom: 6px;
}

.connectivity-banner-text p {
  font-size: 14px; color: rgba(255,255,255,.65);
}

/* ── HOME ── */
.home-hero {
  padding-top: var(--nav-h);
  background: var(--navy); color: var(--white);
  min-height: 560px; display: flex; align-items: center;
  position: relative; overflow: hidden;
}

.home-hero::after {
  content: '';
  position: absolute;
  right: -100px; top: 50%; transform: translateY(-50%);
  width: 600px; height: 600px; border-radius: 50%;
  border: 1px solid rgba(45,106,255,.15);
  pointer-events: none;
}

.home-hero::before {
  content: '';
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 50% 60% at 70% 40%, rgba(45,106,255,.12) 0%, transparent 70%),
    radial-gradient(ellipse 30% 40% at 85% 70%, rgba(0,196,160,.07) 0%, transparent 60%);
}

.home-hero-inner {
  max-width: 1280px; margin: 0 auto; padding: 80px 32px;
  position: relative; z-index: 1;
  max-width: 700px;
}

.home-hero-eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 12px; font-weight: 600; letter-spacing: .1em;
  text-transform: uppercase; color: var(--accent); margin-bottom: 20px;
}

.home-hero-title {
  font-family: var(--font-display);
  font-size: clamp(36px, 5vw, 60px); font-weight: 700;
  line-height: 1.05; letter-spacing: -.03em; margin-bottom: 24px;
}

.home-hero-lead {
  font-size: 18px; font-weight: 300;
  color: rgba(255,255,255,.7); line-height: 1.65; max-width: 520px;
}

/* ── SERVICES HUB ── */
.services-hub {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px;
  margin-top: 48px;
}

.service-tile {
  padding: 28px 24px;
  background: var(--white); border: 1px solid var(--border);
  border-radius: var(--radius-lg); cursor: pointer;
  transition: all .2s; position: relative; overflow: hidden;
}

.service-tile::after {
  content: ''; position: absolute;
  bottom: 0; left: 0; right: 0; height: 3px;
  background: var(--blue-light); transform: scaleX(0);
  transition: transform .2s; transform-origin: left;
}

.service-tile:hover::after { transform: scaleX(1); }

.service-tile:hover {
  border-color: var(--blue-light);
  box-shadow: 0 8px 32px rgba(26,79,214,.08);
  transform: translateY(-2px);
}

.service-tile-icon {
  width: 40px; height: 40px; border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 20px; margin-bottom: 14px;
}

.service-tile-name {
  font-family: var(--font-display);
  font-size: 15px; font-weight: 700; color: var(--navy);
  margin-bottom: 6px;
}

.service-tile-desc {
  font-size: 13px; color: var(--gray-mid); line-height: 1.5;
}

/* ── FOOTER ── */
.footer {
  background: var(--navy); color: rgba(255,255,255,.5);
  padding: 40px 0; font-size: 13px;
  border-top: 1px solid rgba(255,255,255,.07);
}

.footer-inner {
  max-width: 1280px; margin: 0 auto; padding: 0 32px;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
}

.footer-logo {
  font-family: var(--font-display); font-size: 18px;
  font-weight: 700; color: var(--white);
}

.footer-logo span { color: var(--accent); }

/* ── UTILITY ── */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.mt-8 { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mt-40 { margin-top: 40px; }