/* =============================================
   GA INTEGRACIONES - Sitio Estático 2026
   Paleta: Azul oscuro + Azul eléctrico (#26bdef)
   ============================================= */

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

:root {
  --dark:    #0a1628;
  --dark2:   #0f2040;
  --accent:  #26bdef;
  --accent2: #1a9fd4;
  --white:   #ffffff;
  --gray:    #f4f7fc;
  --gray2:   #e8eef7;
  --text:    #2d3748;
  --muted:   #718096;
  --radius:  12px;
  --shadow:  0 4px 24px rgba(10,22,40,0.10);
  --transition: 0.3s ease;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Poppins', sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
}

/* UTILITIES */
.container { max-width: 1140px; margin: 0 auto; padding: 0 24px; }
.accent { color: var(--accent); }
.section { padding: 96px 0; }
.dark-section { background: var(--dark); color: var(--white); }

.section-header { text-align: center; margin-bottom: 64px; }
.section-header.light .section-title,
.section-header.light .section-subtitle { color: var(--white); }
.section-tag {
  display: inline-block;
  background: rgba(38,189,239,0.12);
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 6px 16px;
  border-radius: 999px;
  margin-bottom: 16px;
}
.section-title { font-size: clamp(1.8rem, 4vw, 2.6rem); font-weight: 700; margin-bottom: 16px; line-height: 1.2; }
.section-subtitle { font-size: 1.05rem; color: var(--muted); max-width: 560px; margin: 0 auto; }
.section-header.light .section-subtitle { color: rgba(255,255,255,0.65); }

/* BUTTONS */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: var(--radius);
  font-family: 'Poppins', sans-serif;
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  border: 2px solid transparent;
  cursor: pointer;
  transition: var(--transition);
}
.btn-primary { background: var(--accent); color: var(--dark); }
.btn-primary:hover { background: var(--accent2); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(38,189,239,0.35); }
.btn-outline { background: transparent; color: var(--white); border-color: rgba(255,255,255,0.4); }
.btn-outline:hover { background: rgba(255,255,255,0.1); border-color: var(--white); }
.btn-whatsapp {
  display: inline-flex; align-items: center; gap: 10px;
  background: #25D366; color: white; padding: 14px 28px;
  border-radius: var(--radius); font-weight: 600; text-decoration: none;
  margin-top: 24px; transition: var(--transition);
}
.btn-whatsapp svg { width: 22px; height: 22px; }
.btn-whatsapp:hover { background: #1ebe5d; transform: translateY(-2px); }
.full-width { width: 100%; justify-content: center; }

/* NAVBAR */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  padding: 16px 0;
  transition: background 0.4s ease, box-shadow 0.4s ease;
}
.navbar.scrolled {
  background: rgba(10,22,40,0.97);
  backdrop-filter: blur(12px);
  box-shadow: 0 2px 20px rgba(0,0,0,0.3);
  padding: 12px 0;
}
.nav-container { display: flex; align-items: center; justify-content: space-between; }
.nav-logo img { height: 44px; width: auto; object-fit: contain; }
.nav-menu { list-style: none; display: flex; align-items: center; gap: 8px; }
.nav-link {
  color: rgba(255,255,255,0.85);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: 8px;
  transition: var(--transition);
}
.nav-link:hover { color: var(--white); background: rgba(255,255,255,0.08); }
.nav-cta {
  background: var(--accent);
  color: var(--dark) !important;
  font-weight: 600;
}
.nav-cta:hover { background: var(--accent2); color: var(--dark) !important; }
.hamburger { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 4px; }
.hamburger span { display: block; width: 24px; height: 2px; background: white; border-radius: 2px; transition: var(--transition); }

/* HERO */
.hero {
  min-height: 100vh;
  background: var(--dark);
  display: flex; align-items: center;
  position: relative; overflow: hidden;
  padding-top: 80px;
}
.hero-bg {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse at 70% 50%, rgba(38,189,239,0.12) 0%, transparent 60%),
    radial-gradient(ellipse at 20% 80%, rgba(38,189,239,0.06) 0%, transparent 50%);
}
.hero-bg::after {
  content: '';
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(38,189,239,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(38,189,239,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
}
.hero-content {
  position: relative; z-index: 1;
  max-width: 720px;
  padding: 80px 24px;
}
.hero-badge {
  display: inline-block;
  background: rgba(38,189,239,0.12);
  border: 1px solid rgba(38,189,239,0.3);
  color: var(--accent);
  padding: 8px 18px;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 24px;
}
.hero-title {
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  font-weight: 800;
  color: var(--white);
  line-height: 1.15;
  margin-bottom: 24px;
}
.hero-subtitle {
  font-size: 1.1rem;
  color: rgba(255,255,255,0.65);
  max-width: 580px;
  margin-bottom: 40px;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 64px; }
.hero-stats { display: flex; gap: 48px; flex-wrap: wrap; }
.stat { display: flex; flex-direction: column; }
.stat strong { font-size: 1.8rem; font-weight: 700; color: var(--accent); line-height: 1; }
.stat span { font-size: 0.85rem; color: rgba(255,255,255,0.5); margin-top: 4px; }
.hero-scroll {
  position: absolute; bottom: 40px; left: 50%; transform: translateX(-50%);
  z-index: 1;
}
.hero-scroll a { display: block; }
.hero-scroll span {
  display: block; width: 1px; height: 48px;
  background: linear-gradient(to bottom, rgba(255,255,255,0.5), transparent);
  margin: 0 auto;
  animation: scrollLine 1.5s ease-in-out infinite;
}
@keyframes scrollLine { 0%, 100% { opacity: 0.3; transform: scaleY(0.8); } 50% { opacity: 1; transform: scaleY(1); } }

/* SERVICES */
.services { background: var(--gray); }
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}
.service-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 36px 28px;
  box-shadow: var(--shadow);
  transition: var(--transition);
  position: relative;
  border: 1px solid transparent;
}
.service-card:hover { transform: translateY(-6px); box-shadow: 0 16px 40px rgba(10,22,40,0.14); border-color: var(--accent); }
.service-card.featured { border-color: var(--accent); background: var(--dark); color: white; }
.service-card.featured h3, .service-card.featured p { color: white; }
.service-card.featured .service-list li { color: rgba(255,255,255,0.75); }
.service-card.featured .service-link { color: var(--accent); }
.service-badge {
  position: absolute; top: -12px; left: 24px;
  background: var(--accent); color: var(--dark);
  font-size: 0.72rem; font-weight: 700; letter-spacing: 0.05em;
  padding: 4px 14px; border-radius: 999px; text-transform: uppercase;
}
.service-icon {
  width: 56px; height: 56px;
  background: rgba(38,189,239,0.1);
  border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 20px;
  color: var(--accent);
}
.service-icon svg { width: 28px; height: 28px; }
.service-card h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 12px; color: var(--dark); }
.service-card p { font-size: 0.9rem; color: var(--muted); margin-bottom: 20px; line-height: 1.65; }
.service-list { list-style: none; margin-bottom: 24px; display: flex; flex-direction: column; gap: 8px; }
.service-list li {
  font-size: 0.875rem; color: var(--text);
  padding-left: 20px; position: relative;
}
.service-list li::before { content: '✓'; position: absolute; left: 0; color: var(--accent); font-weight: 700; }
.service-link { font-size: 0.875rem; font-weight: 600; color: var(--accent); text-decoration: none; transition: var(--transition); }
.service-link:hover { letter-spacing: 0.02em; }

/* FEATURES */
.features-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 32px; }
.feature-item { display: flex; flex-direction: column; gap: 12px; }
.feature-icon {
  width: 52px; height: 52px;
  background: rgba(38,189,239,0.12);
  border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  color: var(--accent);
}
.feature-icon svg { width: 24px; height: 24px; }
.feature-item h3 { font-size: 1.05rem; font-weight: 700; color: var(--white); }
.feature-item p { font-size: 0.9rem; color: rgba(255,255,255,0.6); line-height: 1.65; }

/* PROJECTS */
.projects { background: var(--white); }
.projects-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 24px; margin-bottom: 48px; }
.project-card {
  background: var(--gray);
  border-radius: var(--radius);
  padding: 32px 24px;
  transition: var(--transition);
  border: 1px solid var(--gray2);
}
.project-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: var(--accent); }
.project-icon { font-size: 2.4rem; margin-bottom: 16px; }
.project-card h3 { font-size: 1rem; font-weight: 700; margin-bottom: 10px; color: var(--dark); }
.project-card p { font-size: 0.875rem; color: var(--muted); margin-bottom: 16px; line-height: 1.65; }
.project-tags { display: flex; gap: 8px; flex-wrap: wrap; }
.project-tags span {
  background: rgba(38,189,239,0.1); color: var(--accent);
  font-size: 0.75rem; font-weight: 600;
  padding: 4px 12px; border-radius: 999px;
}
.projects-cta { text-align: center; }
.projects-cta p { font-size: 1.1rem; color: var(--muted); margin-bottom: 20px; }

/* CONTACT */
.contact-grid { display: grid; grid-template-columns: 1fr 1.4fr; gap: 64px; align-items: start; }
.contact-info { display: flex; flex-direction: column; gap: 28px; }
.contact-item { display: flex; align-items: flex-start; gap: 16px; }
.contact-icon { font-size: 1.4rem; width: 44px; flex-shrink: 0; text-align: center; }
.contact-item strong { display: block; font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--accent); margin-bottom: 4px; }
.contact-item span { color: rgba(255,255,255,0.75); font-size: 0.95rem; }
.contact-form { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group.full { grid-column: 1 / -1; }
.form-group label { font-size: 0.82rem; font-weight: 600; color: rgba(255,255,255,0.75); }
.form-group input,
.form-group textarea {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 8px;
  padding: 12px 16px;
  color: white;
  font-family: 'Poppins', sans-serif;
  font-size: 0.9rem;
  transition: var(--transition);
  outline: none;
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: rgba(255,255,255,0.3); }
.form-group input:focus,
.form-group textarea:focus { border-color: var(--accent); background: rgba(38,189,239,0.06); }
.form-group textarea { resize: vertical; min-height: 120px; }
.form-note { grid-column: 1 / -1; text-align: center; font-size: 0.8rem; color: rgba(255,255,255,0.4); margin-top: 4px; }

/* FOOTER */
.footer { background: #060e1a; padding: 48px 0 32px; }
.footer-inner { display: flex; flex-direction: column; align-items: center; gap: 32px; }
.footer-brand { text-align: center; }
.footer-brand img { height: 40px; margin-bottom: 12px; }
.footer-brand p { font-size: 0.85rem; color: rgba(255,255,255,0.4); line-height: 1.65; }
.footer-links { display: flex; gap: 32px; flex-wrap: wrap; justify-content: center; }
.footer-links a { color: rgba(255,255,255,0.5); text-decoration: none; font-size: 0.875rem; transition: var(--transition); }
.footer-links a:hover { color: var(--accent); }
.footer-copy p { font-size: 0.8rem; color: rgba(255,255,255,0.25); text-align: center; }

/* RESPONSIVE */
@media (max-width: 768px) {
  .section { padding: 72px 0; }

  .hamburger { display: flex; }
  .nav-menu {
    display: none; flex-direction: column;
    position: fixed; top: 0; left: 0; right: 0; bottom: 0;
    background: var(--dark);
    justify-content: center; align-items: center;
    gap: 24px; z-index: 999;
  }
  .nav-menu.open { display: flex; }
  .nav-link { font-size: 1.2rem; padding: 12px 24px; }

  .hero-content { padding: 100px 24px 60px; }
  .hero-title { font-size: 2.2rem; }
  .hero-actions { flex-direction: column; }
  .hero-stats { gap: 32px; }

  .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .contact-form { grid-template-columns: 1fr; }

  .services-grid { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr; }
  .projects-grid { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .hero-title { font-size: 1.9rem; }
  .section-title { font-size: 1.7rem; }
  .hero-stats { flex-direction: column; gap: 20px; }
}