/* ============================================================
   VINTRATECH — Tema claro con acentos violeta / cian
   ============================================================ */

:root {
  --vt-bg:      #FAFBFF;
  --vt-bg2:     #F1F3F9;
  --vt-bg-alt:  #F6F3FF;
  --vt-cyan:    #2BB8D4;
  --vt-cobalt:  #2B79D7;
  --vt-violet:  #7C4DFF;
  --vt-white:   #ffffff;
  --vt-text:    #1E1E2F;
  --vt-muted:   #5A5A7A;
  --vt-grad:    linear-gradient(135deg, var(--vt-violet), var(--vt-cyan));
}

body {
  background: var(--vt-bg);
  color: var(--vt-text);
}

/* -- Header -- */
.site-header {
  background: rgba(255,255,255,.88);
  border-bottom: 1px solid rgba(30,30,47,.06);
}
.brand-text span { color: var(--vt-cyan); }
.menu-toggle { color: var(--vt-text); }

.nav-links { justify-content: flex-start; margin-left: 64px; gap: 12px; }
.nav-links a { color: var(--vt-text); padding: 8px 20px; font-size: .9rem; }
.nav-links a:hover,
.nav-links a.active { background: rgba(124,77,255,.06); color: var(--vt-violet); }
.nav-links .divider { background: rgba(30,30,47,.1); }

@media (max-width: 900px) {
  .nav-links { background: rgba(255,255,255,.98); }
}

/* -- Text gradient -- */
.text-gradient {
  background: var(--vt-grad);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* -- Badges -- */
.badge-vt { background: rgba(124,77,255,.08); color: var(--vt-violet); }

/* -- Buttons -- */
.btn-vt       { background: var(--vt-grad); color: #fff; }
.btn-vt:hover { box-shadow: 0 8px 28px rgba(124,77,255,.25); transform: translateY(-2px); }
.btn-ghost    { background: transparent; border-color: rgba(30,30,47,.12); color: var(--vt-text); }
.btn-ghost:hover { border-color: var(--vt-violet); color: var(--vt-violet); }

/* -- Hero -- */
.hero-vt {
  background:
    radial-gradient(ellipse at 30% 20%, rgba(124,77,255,.06), transparent 55%),
    radial-gradient(ellipse at 70% 80%, rgba(43,184,212,.05), transparent 55%),
    var(--vt-bg);
}

/* -- Section alt -- */
.section-alt { background: var(--vt-bg-alt); }

/* -- Cards -- */
.card {
  background: var(--vt-white);
  border-color: rgba(30,30,47,.06);
  box-shadow: 0 2px 12px rgba(30,30,47,.04);
}
.card:hover {
  border-color: rgba(124,77,255,.15);
  box-shadow: 0 12px 36px rgba(124,77,255,.08);
}
.card h3 { color: var(--vt-text); }
.card p  { color: var(--vt-muted); }

/* -- Stats -- */
.stat-value {
  background: var(--vt-grad);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.stat-label { color: var(--vt-muted); }
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  text-align: center;
}
@media (max-width: 600px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
}

/* -- Product showcase cards -- */
.vt-product-card {
  display: grid;
  grid-template-columns: 100px 1fr auto;
  align-items: center;
  gap: 28px;
  padding: 32px;
  background: var(--vt-white);
  border: 1px solid rgba(30,30,47,.06);
  border-radius: 16px;
  text-decoration: none;
  transition: .3s ease;
  box-shadow: 0 2px 16px rgba(30,30,47,.04);
}
.vt-product-card:hover {
  border-color: rgba(124,77,255,.15);
  box-shadow: 0 16px 48px rgba(124,77,255,.1);
  transform: translateY(-4px);
}
.vt-product-icon {
  width: 120px;
  height: 120px;
  border-radius: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  flex-shrink: 0;
}
.vt-product-card h3 { font-size: 1.3rem; font-weight: 800; margin-bottom: 6px; color: var(--vt-text); }
.vt-product-card p  { font-size: .92rem; color: var(--vt-muted); margin: 0; line-height: 1.55; }
.vt-product-tags { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 10px; }
.vt-product-arrow { font-size: 1.5rem; color: var(--vt-muted); opacity: .4; transition: .3s ease; }
.vt-product-card:hover .vt-product-arrow { opacity: 1; color: var(--vt-violet); }
@media (max-width: 600px) {
  .vt-product-card { grid-template-columns: 1fr; text-align: center; gap: 16px; }
  .vt-product-icon { margin: 0 auto; }
  .vt-product-tags { justify-content: center; }
  .vt-product-arrow { display: none; }
}

/* -- Forms -- */
.form-group input, .form-group textarea, .form-group select {
  border: 1px solid rgba(30,30,47,.1);
  background: var(--vt-white);
  color: var(--vt-text);
}
.form-group input:focus, .form-group textarea:focus {
  outline: none; border-color: var(--vt-violet);
  box-shadow: 0 0 0 3px rgba(124,77,255,.1);
}
.form-card {
  background: var(--vt-white);
  border-color: rgba(30,30,47,.06);
  box-shadow: 0 2px 16px rgba(30,30,47,.04);
}

/* -- Blog -- */
.blog-card {
  background: var(--vt-white);
  border-color: rgba(30,30,47,.06);
  box-shadow: 0 2px 12px rgba(30,30,47,.04);
}
.blog-card:hover { border-color: rgba(124,77,255,.12); box-shadow: 0 12px 36px rgba(124,77,255,.08); }
.blog-card .thumb { background: var(--vt-grad); }
.blog-card h3 { color: var(--vt-text); }
.blog-card p  { color: var(--vt-muted); }

/* -- FAQ -- */
.faq-item { border-bottom: 1px solid rgba(30,30,47,.06); }
.faq-item summary { color: var(--vt-text); }
.faq-item summary::before { color: var(--vt-violet); }
.faq-item p { color: var(--vt-muted); }

/* -- Footer -- */
.site-footer {
  border-top: 1px solid rgba(30,30,47,.06);
  background: var(--vt-bg2);
  color: var(--vt-text);
}
.footer-grid h4 { color: var(--vt-text); }
.footer-grid a { color: var(--vt-muted); }
.footer-grid a:hover { color: var(--vt-violet); }
.footer-bottom { border-top: 1px solid rgba(30,30,47,.06); color: var(--vt-muted); }

/* -- Product link badge (link to products) -- */
.product-link {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 6px 16px; border-radius: 20px; font-size: .82rem; font-weight: 600;
  background: rgba(124,77,255,.06); color: var(--vt-violet);
  transition: .25s ease;
}
.product-link:hover { background: rgba(124,77,255,.12); }

/* -- CTA section -- */
.vt-cta {
  position: relative;
  padding: 80px 0;
  background: var(--vt-grad);
  color: #fff;
  text-align: center;
  overflow: hidden;
}
.vt-cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 30% 50%, rgba(255,255,255,.08), transparent 60%);
}
.vt-cta h2 { font-size: clamp(1.5rem, 3vw, 2.2rem); font-weight: 800; margin-bottom: 12px; }
.vt-cta p  { font-size: 1.05rem; opacity: .9; max-width: 520px; margin: 0 auto 28px; }
.vt-cta .btn-vt { background: #fff; color: var(--vt-violet); }
.vt-cta .btn-vt:hover { box-shadow: 0 8px 28px rgba(0,0,0,.15); }
.vt-cta .btn-ghost { border-color: rgba(255,255,255,.3); color: #fff; }
.vt-cta .btn-ghost:hover { border-color: #fff; }

/* -- Section header utility -- */
.section-title p, .section-title .lead { color: var(--vt-muted); }

/* -- Services mini grid -- */
.vt-services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.vt-service-item {
  padding: 28px 24px;
  border-radius: 14px;
  background: var(--vt-white);
  border: 1px solid rgba(30,30,47,.05);
  text-align: center;
  transition: .3s ease;
  box-shadow: 0 2px 12px rgba(30,30,47,.03);
}
.vt-service-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(124,77,255,.07);
  border-color: rgba(124,77,255,.1);
}
.vt-service-icon { font-size: 1.8rem; margin-bottom: 12px; display: block; }
.vt-service-item h3 { font-size: 1rem; font-weight: 700; margin-bottom: 6px; color: var(--vt-text); }
.vt-service-item p  { font-size: .85rem; color: var(--vt-muted); line-height: 1.5; }
@media (max-width: 900px) {
  .vt-services-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-layout { grid-template-columns: 1fr !important; gap: 2rem !important; }
}
@media (max-width: 600px) {
  .vt-services-grid { grid-template-columns: 1fr; }
  /* Catch-all for inline 2-col grids */
  [style*="grid-template-columns:1fr 1fr"],
  [style*="grid-template-columns: 1fr 1fr"] {
    grid-template-columns: 1fr !important;
    gap: 1.5rem !important;
  }
  /* Newsletter form stacking */
  .newsletter-form {
    flex-direction: column !important;
  }
  .newsletter-form input,
  .newsletter-form button {
    width: 100% !important;
  }
}