:root {
  --bg-dark: #f0f6ff;
  --bg-card: #ffffff;
  --bg-card-hover: #ffffff;
  --accent-blue: #2563eb;
  --accent-cyan: #0284c7;
  --accent-glow: rgba(37, 99, 235, 0.12);
  --text-main: #0f172a;
  --text-muted: #334155;
  --border-light: #cbd5e1;
  --border-glow: rgba(37, 99, 235, 0.35);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Plus Jakarta Sans', sans-serif;
  background-color: var(--bg-dark);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
}

.glow-bg {
  position: fixed;
  width: 800px; height: 800px;
  background: radial-gradient(circle, var(--accent-glow) 0%, rgba(240, 246, 255, 0) 70%);
  top: -250px; left: 50%; transform: translateX(-50%);
  z-index: -1; pointer-events: none;
}

/* PRELOADER */
#iptelco-preloader { position: fixed; top: 0; left: 0; width: 100vw; height: 100vh; background: #f8fafc; z-index: 99999; display: flex; align-items: center; justify-content: center; animation: fadeOutPreloader 0.4s ease 0.1s forwards; pointer-events: none; }
.preloader-logo-img { height: 130px !important; width: auto !important; object-fit: contain; animation: pulseLogo 1.6s ease-in-out infinite; }
@keyframes pulseLogo { 0% { transform: scale(0.92); opacity: 0.8; } 50% { transform: scale(1.05); opacity: 1; } 100% { transform: scale(0.92); opacity: 0.8; } }
@keyframes fadeOutPreloader { 0% { opacity: 1; visibility: visible; } 100% { opacity: 0; visibility: hidden; } }

/* HEADER Y NAVEGACIÓN */
.brand-logo-container {
  display: flex; align-items: center; text-decoration: none; background: transparent !important;
  margin-left: 4%; height: 100%; transition: opacity 0.2s ease, transform 0.2s ease;
}
.brand-logo-container:hover { opacity: 0.95; transform: scale(1.02); }
.brand-logo-img { height: 105px !important; max-height: 105px !important; width: auto !important; object-fit: contain !important; display: block; }

header {
  display: flex; justify-content: space-between; align-items: center; padding: 6px 0; height: 120px;
  position: sticky; top: 0; background: rgba(255, 255, 255, 0.95); backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-light); z-index: 1000; box-shadow: 0 4px 20px rgba(15, 23, 42, 0.05);
}

nav { display: flex; align-items: center; gap: 22px; }
nav a { color: #334155; text-decoration: none; font-size: 0.92rem; font-weight: 700; transition: color 0.2s; }
nav a:hover, nav a.active { color: var(--accent-blue); }

.header-actions { display: flex; align-items: center; gap: 12px; margin-right: 4%; }

.btn-soporte {
  background: linear-gradient(135deg, #0f172a 0%, #1e40af 100%) !important; color: #ffffff !important;
  border: 1px solid rgba(59, 130, 246, 0.5) !important; padding: 10px 18px; border-radius: 8px;
  font-size: 0.88rem; font-weight: 700; text-decoration: none; display: inline-flex; align-items: center; gap: 8px;
  box-shadow: 0 4px 15px rgba(30, 58, 138, 0.25), inset 0 1px 1px rgba(255, 255, 255, 0.2) !important; transition: all 0.25s ease !important;
}
.btn-soporte:hover {
  background: linear-gradient(135deg, #1e293b 0%, #2563eb 100%) !important; color: #ffffff !important; border-color: #60a5fa !important;
  transform: translateY(-2px); box-shadow: 0 6px 22px rgba(37, 99, 235, 0.4), inset 0 1px 1px rgba(255, 255, 255, 0.3) !important;
}

.btn-cotizar {
  background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%) !important; color: #ffffff !important;
  border: 1px solid rgba(147, 197, 253, 0.6) !important; padding: 10px 20px; border-radius: 8px;
  font-size: 0.88rem; font-weight: 800; text-decoration: none; display: inline-flex; align-items: center; gap: 6px;
  box-shadow: 0 4px 18px rgba(37, 99, 235, 0.35), inset 0 1px 1px rgba(255, 255, 255, 0.35) !important; transition: all 0.25s ease !important;
}
.btn-cotizar:hover {
  background: linear-gradient(135deg, #1d4ed8 0%, #1e40af 100%) !important; color: #ffffff !important;
  transform: translateY(-2px); box-shadow: 0 6px 24px rgba(37, 99, 235, 0.45), inset 0 1px 1px rgba(255, 255, 255, 0.45) !important;
}

/* HERO */
.hero { padding: 60px 6% 40px 6%; max-width: 1250px; margin: 0 auto; }
.hero-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; align-items: center; gap: 40px; }
.hero h1 { font-size: 3.3rem; font-weight: 800; line-height: 1.15; margin-bottom: 18px; color: #0f172a; }
.hero h1 span { color: var(--accent-blue); }
.hero p { font-size: 1.1rem; color: #334155; margin-bottom: 25px; line-height: 1.6; font-weight: 500; }

@keyframes floatAnimationHero { 0% { transform: translateY(0px); } 50% { transform: translateY(-14px); } 100% { transform: translateY(0px); } }
.hero-media-container {
  background: #ffffff; border-radius: 20px; padding: 25px; box-shadow: 0 15px 35px rgba(15, 23, 42, 0.08);
  border: 1px solid var(--border-light); display: flex; flex-direction: column; align-items: center; justify-content: center;
  animation: floatAnimationHero 4s ease-in-out infinite;
}
.hero-media-container img { max-width: 100%; max-height: 320px; object-fit: contain; }

/* SERVICIOS Y PRODUCTOS */
.services-section { padding: 50px 6% 40px 6%; max-width: 1250px; margin: 0 auto; }
.category-header-title {
  font-size: 1.8rem; font-weight: 800; color: var(--accent-cyan); margin: 50px 0 25px 0;
  padding-bottom: 10px; border-bottom: 2px solid var(--border-light); display: flex; align-items: center; gap: 10px;
}
.products-showcase { display: flex; flex-direction: column; gap: 35px; }

.product-row {
  display: flex; align-items: center; gap: 40px; background: var(--bg-card); border: 1px solid var(--border-light);
  border-radius: 24px; padding: 30px; transition: all 0.35s ease; position: relative; cursor: pointer; box-shadow: 0 10px 25px rgba(15, 23, 42, 0.04);
}
.product-row:hover { border-color: var(--border-glow); box-shadow: 0 15px 35px rgba(37, 99, 235, 0.12); transform: translateY(-5px); background: var(--bg-card-hover); }
.product-row.reverse { flex-direction: row-reverse; }

.product-img-box {
  flex: 1; min-width: 270px; height: 230px; background: #f8fafc; border-radius: 16px;
  display: flex; align-items: center; justify-content: center; padding: 20px; overflow: hidden; border: 1px solid #e2e8f0;
}
.product-img-box img { max-width: 100%; max-height: 100%; object-fit: contain; transition: transform 0.4s ease; }
.product-row:hover .product-img-box img { transform: scale(1.08) rotate(1deg); }

.product-info-box { flex: 1.2; display: flex; flex-direction: column; align-items: flex-start; gap: 10px; }
.product-badge { font-size: 0.8rem; font-weight: 800; color: #0284c7; text-transform: uppercase; letter-spacing: 1px; background: #e0f2fe; padding: 4px 12px; border-radius: 20px; border: 1px solid #bae6fd; }
.product-info-box h3 { font-size: 1.65rem; font-weight: 800; color: #0f172a; line-height: 1.25; }
.product-info-box p { font-size: 0.95rem; color: #334155; line-height: 1.6; font-weight: 500; }

.btn-link { display: inline-flex; align-items: center; gap: 8px; color: var(--accent-blue); font-weight: 700; text-decoration: none; font-size: 0.95rem; margin-top: 4px; transition: gap 0.2s; }
.btn-link:hover { gap: 12px; color: #1d4ed8; }
.btn-link::after { content: ''; position: absolute; top: 0; right: 0; bottom: 0; left: 0; z-index: 10; border-radius: 24px; }

/* CERTIFICACIONES */
.certs-info-section { background: #ffffff; border-top: 1px solid var(--border-light); border-bottom: 1px solid var(--border-light); padding: 60px 6%; margin: 60px 0; text-align: center; }
.certs-info-title { font-size: 1.8rem; font-weight: 800; color: #0f172a; margin-bottom: 8px; }
.certs-info-subtitle { color: #334155; font-size: 1rem; max-width: 650px; margin: 0 auto 30px auto; font-weight: 500; }
.certs-badges-grid { display: flex; justify-content: center; align-items: center; gap: 25px; flex-wrap: wrap; }
.cert-badge-lg-card { background: #ffffff; padding: 16px 28px; border-radius: 16px; display: flex; align-items: center; justify-content: center; box-shadow: 0 8px 20px rgba(15, 23, 42, 0.06); border: 1px solid var(--border-light); transition: transform 0.3s ease, box-shadow 0.3s ease; }
.cert-badge-lg-card:hover { transform: translateY(-6px); box-shadow: 0 12px 25px rgba(37, 99, 235, 0.15); }
.cert-badge-lg-card img { height: 65px; width: auto; object-fit: contain; }

/* FOOTER */
footer { background: #ffffff; border-top: 1px solid var(--border-light); padding: 50px 4% 30px 4%; color: #334155; font-size: 0.9rem; }
.footer-grid { display: grid; grid-template-columns: 1.2fr 1fr 1fr; gap: 50px; max-width: 1150px; margin: 0 auto 40px auto; align-items: start; }
.footer-col { display: flex; flex-direction: column; gap: 12px; }
.address-card { background: #f8fafc; border: 1px solid #e2e8f0; padding: 12px 14px; border-radius: 10px; font-size: 0.85rem; color: #0f172a; font-weight: 500; line-height: 1.4; }
.footer-col h4 { color: #0f172a; font-size: 1.05rem; font-weight: 800; margin-bottom: 12px; position: relative; padding-bottom: 8px; }
.footer-col h4::after { content: ''; position: absolute; bottom: 0; left: 0; width: 35px; height: 3px; background: var(--accent-blue); border-radius: 2px; }
.footer-links { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-links a { color: #334155; text-decoration: none; transition: color 0.2s; font-weight: 600; }
.footer-links a:hover { color: var(--accent-blue); }
.contact-item { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; color: #0f172a; text-decoration: none; }
.contact-item:hover { color: var(--accent-blue); }
.contact-item span { color: #475569 !important; font-size: 0.82rem; font-weight: 600; display: block; }
.contact-item b { color: #0f172a !important; font-size: 0.95rem; font-weight: 800; }
.contact-icon-box { width: 40px; height: 40px; border-radius: 10px; background: #eff6ff; border: 1px solid #bfdbfe; display: flex; align-items: center; justify-content: center; color: var(--accent-blue); font-weight: 700; flex-shrink: 0; font-size: 1.1rem; }
.contact-icon-box.red-box { background: #eff6ff !important; border-color: #bfdbfe !important; color: #1d4ed8 !important; }
.footer-bottom { max-width: 1150px; margin: 0 auto; padding-top: 25px; border-top: 1px solid var(--border-light); display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 15px; font-size: 0.88rem; color: #475569; font-weight: 600; }

/* WIDGET WHATSAPP */
.whatsapp-widget { position: fixed; bottom: 35px; right: 35px; z-index: 99990; display: flex; align-items: center; text-decoration: none; animation: floatWidget 4s ease-in-out infinite; }
@keyframes floatWidget { 0% { transform: translateY(0px); } 50% { transform: translateY(-8px); } 100% { transform: translateY(0px); } }
.wa-avatar-box { width: 72px; height: 72px; border-radius: 50%; border: 3px solid var(--accent-blue); background: #ffffff; position: relative; z-index: 2; box-shadow: 0 10px 25px rgba(15, 23, 42, 0.15); display: flex; align-items: center; justify-content: center; overflow: hidden; }
.wa-avatar-box img { width: 100%; height: 100%; object-fit: cover; }
.wa-icon-badge { position: absolute; bottom: -2px; right: -4px; width: 28px; height: 28px; background: #25D366; border-radius: 50%; border: 3px solid #ffffff; display: flex; align-items: center; justify-content: center; box-shadow: 0 2px 5px rgba(0,0,0,0.15); }
.wa-banner { background: linear-gradient(135deg, #0f172a, var(--accent-blue)); color: #ffffff; padding: 12px 24px 12px 42px; border-radius: 0 30px 30px 0; font-size: 0.9rem; line-height: 1.3; margin-left: -32px; z-index: 1; box-shadow: 0 10px 20px rgba(15,23,42,0.15); border: 1px solid rgba(255,255,255,0.2); border-left: none; transition: all 0.3s ease; white-space: nowrap; }
.whatsapp-widget:hover .wa-banner { background: linear-gradient(135deg, #0f172a, var(--accent-cyan)); transform: translateX(6px); }

@media (max-width: 900px) {
  header { height: 90px; }
  .brand-logo-img { height: 70px !important; max-height: 70px !important; }
  .footer-grid, .hero-grid { grid-template-columns: 1fr; }
  .product-row, .product-row.reverse { flex-direction: column; padding: 22px; gap: 20px; }
  .product-img-box { width: 100%; height: 200px; }
  nav { display: none; }
  .whatsapp-widget { bottom: 20px; right: 20px; }
  .wa-avatar-box { width: 62px; height: 62px; }
  .wa-banner { padding: 10px 18px 10px 35px; font-size: 0.8rem; margin-left: -28px; }
}