/* =============================================
   VANTRA — Shared Styles v2
   Paleta: #146EF5 · #0D0D0D · #F1F3F6 · #FFFFFF
   Tipografía: Plus Jakarta Sans + Inter
   ============================================= */

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

:root {
  --blue: #146EF5;
  --blue-dark: #0d55c4;
  --blue-mid: #1a7aff;
  --blue-glow: rgba(20,110,245,0.18);
  --black: #0D0D0D;
  --dark: #111318;
  --dark2: #181c25;
  --dark3: #1e2330;
  --gray-light: #F1F3F6;
  --gray-mid: #e2e6ed;
  --gray-text: #6b7280;
  --white: #FFFFFF;
  --font-main: 'Plus Jakarta Sans', sans-serif;
  --font-sec: 'Inter', sans-serif;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-xl: 28px;
  --shadow-blue: 0 8px 40px rgba(20,110,245,0.28);
}

html { scroll-behavior: smooth; }
body {
  font-family: var(--font-main);
  background: var(--black);
  color: var(--white);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--dark); }
::-webkit-scrollbar-thumb { background: var(--blue); border-radius: 99px; }

/* ---- NAV ---- */
nav#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 64px;
  height: 68px;
  background: rgba(13,13,13,0.80);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255,255,255,0.05);
  transition: background 0.3s;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  flex-shrink: 0;
}
.nav-wordmark {
  font-family: var(--font-main);
  font-weight: 800;
  font-size: 20px;
  letter-spacing: 0.06em;
  color: var(--white);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}
.nav-links a {
  font-family: var(--font-sec);
  font-size: 14px;
  font-weight: 500;
  color: rgba(255,255,255,0.6);
  text-decoration: none;
  letter-spacing: 0.01em;
  transition: color 0.2s;
  position: relative;
}
.nav-links a:hover { color: var(--white); }
.nav-links a.active { color: var(--white); }
.nav-links a.active::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0; right: 0;
  height: 2px;
  background: var(--blue);
  border-radius: 99px;
}

.nav-cta {
  background: var(--blue) !important;
  color: var(--white) !important;
  padding: 9px 20px;
  border-radius: var(--radius-sm);
  font-weight: 700 !important;
  font-size: 13px !important;
  transition: background 0.2s, transform 0.15s, box-shadow 0.2s !important;
  display: flex;
  align-items: center;
  gap: 7px;
}
.nav-cta:hover {
  background: var(--blue-dark) !important;
  transform: translateY(-1px);
  box-shadow: var(--shadow-blue);
}
.nav-cta::after { display: none !important; }

/* Vantra IA — nav glow badge */
.nav-vantraai {
  color: var(--blue) !important;
  font-weight: 700 !important;
  text-shadow: 0 0 12px rgba(20,110,245,0.9), 0 0 24px rgba(20,110,245,0.5);
  position: relative;
}
.nav-vantraai::before {
  content: '';
  position: absolute;
  inset: -6px -10px;
  background: rgba(20,110,245,0.1);
  border: 1px solid rgba(20,110,245,0.3);
  border-radius: 8px;
  animation: nav-glow-pulse 2.5s ease-in-out infinite;
}
.nav-vantraai::after { display: none !important; }
@keyframes nav-glow-pulse {
  0%, 100% { box-shadow: 0 0 8px rgba(20,110,245,0.4), 0 0 20px rgba(20,110,245,0.2); opacity: 1; }
  50% { box-shadow: 0 0 16px rgba(20,110,245,0.7), 0 0 36px rgba(20,110,245,0.35); opacity: 0.85; }
}

/* ---- BUTTONS ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-main);
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: background 0.2s, transform 0.15s, box-shadow 0.2s, color 0.2s, border-color 0.2s;
  border-radius: var(--radius-md);
}

.btn-lg { padding: 16px 32px; font-size: 15px; }
.btn-md { padding: 12px 24px; font-size: 14px; }
.btn-sm { padding: 8px 16px; font-size: 13px; }

.btn-primary {
  background: var(--blue);
  color: var(--white);
  box-shadow: 0 4px 24px rgba(20,110,245,0.3);
}
.btn-primary:hover {
  background: var(--blue-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(20,110,245,0.45);
}

.btn-ghost {
  background: transparent;
  color: rgba(255,255,255,0.75);
  border: 1px solid rgba(255,255,255,0.15);
}
.btn-ghost:hover {
  border-color: rgba(255,255,255,0.4);
  color: var(--white);
  transform: translateY(-2px);
}

.btn-whatsapp {
  background: #25D366;
  color: var(--white);
  box-shadow: 0 4px 24px rgba(37,211,102,0.3);
}
.btn-whatsapp:hover {
  background: #1db954;
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(37,211,102,0.4);
}

/* ---- SECTION ATOMS ---- */
.section-label {
  font-family: var(--font-sec);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 12px;
  display: block;
}

.section-title {
  font-size: clamp(32px, 4vw, 54px);
  font-weight: 800;
  letter-spacing: -0.025em;
  line-height: 1.08;
  text-wrap: balance;
}

.section-desc {
  font-family: var(--font-sec);
  font-size: 17px;
  color: rgba(255,255,255,0.5);
  line-height: 1.75;
  text-wrap: pretty;
}

/* ---- CARDS ---- */
.card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: var(--radius-xl);
  padding: 36px 32px;
  transition: border-color 0.3s, transform 0.3s, background 0.3s;
  position: relative;
  overflow: hidden;
}
.card:hover {
  border-color: rgba(20,110,245,0.3);
  background: rgba(20,110,245,0.05);
  transform: translateY(-3px);
}

/* ---- CHIP / TAG ---- */
.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(20,110,245,0.1);
  border: 1px solid rgba(20,110,245,0.25);
  border-radius: 99px;
  padding: 5px 13px;
  font-family: var(--font-sec);
  font-size: 12px;
  font-weight: 600;
  color: #7ab3fa;
  letter-spacing: 0.04em;
}
.chip.white {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.2);
  color: rgba(255,255,255,0.85);
}
.chip.green {
  background: rgba(37,211,102,0.1);
  border-color: rgba(37,211,102,0.25);
  color: #25D366;
}

/* ---- FOOTER ---- */
footer.site-footer {
  background: #0a0b0e;
  border-top: 1px solid rgba(255,255,255,0.05);
  padding: 64px 64px 36px;
}
.footer-inner { max-width: 1200px; margin: 0 auto; }
.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}
.footer-brand-desc {
  font-family: var(--font-sec);
  font-size: 14px;
  color: rgba(255,255,255,0.38);
  line-height: 1.7;
  max-width: 260px;
  margin-top: 14px;
}
.footer-col-title {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.5);
  margin-bottom: 16px;
}
.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
  list-style: none;
}
.footer-links a {
  font-family: var(--font-sec);
  font-size: 14px;
  color: rgba(255,255,255,0.38);
  text-decoration: none;
  transition: color 0.2s;
}
.footer-links a:hover { color: rgba(255,255,255,0.8); }
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 28px;
  border-top: 1px solid rgba(255,255,255,0.05);
}
.footer-copy {
  font-family: var(--font-sec);
  font-size: 12px;
  color: rgba(255,255,255,0.25);
}
.footer-badge {
  font-family: var(--font-sec);
  font-size: 12px;
  color: rgba(255,255,255,0.25);
}

/* ---- UTILS ---- */
.container { max-width: 1200px; margin: 0 auto; }
.text-blue { color: var(--blue); }
.text-muted { color: rgba(255,255,255,0.5); }
.dot-blue {
  width: 7px; height: 7px;
  background: var(--blue);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--blue);
  animation: pulse-dot 2s infinite;
  display: inline-block;
  flex-shrink: 0;
}
@keyframes pulse-dot {
  0%,100% { opacity:1; transform:scale(1); }
  50% { opacity:0.4; transform:scale(1.5); }
}

/* Grid BG */
.grid-bg {
  background-image:
    linear-gradient(rgba(255,255,255,0.028) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.028) 1px, transparent 1px);
  background-size: 64px 64px;
}