/* ===== INGVIAL — Estilos ===== */
:root {
  --primary: #0b6eb0;      /* azul profundo del logo */
  --primary-dark: #083f66; /* azul marino para hero/footer */
  --accent: #109ee2;       /* azul cielo institucional */
  --accent-dark: #0b85c4;
  --accent-light: #7fd1f0; /* azul claro para texto sobre oscuro */
  --bg: #ffffff;
  --bg-alt: #f1f8fd;
  --text: #12324d;
  --text-light: #4e6b82;
  --radius: 14px;
  --shadow: 0 8px 30px rgba(11, 110, 176, 0.14);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}

.container { width: min(1120px, 92%); margin: 0 auto; }
.container-narrow { width: min(820px, 92%); margin: 0 auto; }

/* ===== Botones ===== */
.btn {
  display: inline-block;
  padding: 12px 24px;
  border-radius: 10px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.2s ease;
  border: none;
  cursor: pointer;
  font-family: inherit;
  font-size: 1rem;
}
.btn-solid { background: var(--accent); color: var(--primary-dark); }
.btn-solid:hover { background: var(--accent-dark); transform: translateY(-2px); }
.btn-ghost { border: 2px solid rgba(255,255,255,0.5); color: #fff; }
.btn-ghost:hover { border-color: #fff; background: rgba(255,255,255,0.1); }
.btn-small { padding: 8px 16px; font-size: 0.9rem; }
.btn-lg { padding: 14px 30px; font-size: 1.05rem; }

/* ===== Navbar ===== */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid #e8ecf1;
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 86px; }

.logo { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.logo-img { height: 66px; width: auto; display: block; }

.nav-links { display: flex; align-items: center; gap: 26px; }
.nav-links a { color: var(--text); text-decoration: none; font-weight: 500; font-size: 0.95rem; }
.nav-links a:hover { color: var(--accent-dark); }
.nav-links .btn { color: var(--primary-dark); }

.nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: 6px; }
.nav-toggle span { display: block; width: 24px; height: 2.5px; background: var(--primary); margin: 5px 0; border-radius: 2px; transition: 0.3s; }

/* ===== Hero ===== */
.hero {
  background: linear-gradient(135deg, #0d7fc4 0%, var(--primary-dark) 70%);
  color: #fff;
  padding: 90px 0 100px;
  position: relative;
  overflow: hidden;
}
.hero::after {
  content: "";
  position: absolute;
  right: -120px; top: -120px;
  width: 420px; height: 420px;
  background: radial-gradient(circle, rgba(16,158,226,0.22), transparent 65%);
}
.hero-inner { display: grid; grid-template-columns: 1.3fr 0.7fr; gap: 50px; align-items: center; position: relative; z-index: 1; }

.hero-badge {
  display: inline-block;
  background: rgba(127,209,240,0.14);
  border: 1px solid rgba(127,209,240,0.45);
  color: var(--accent-light);
  padding: 6px 14px;
  border-radius: 100px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 20px;
}
.hero h1 { font-size: clamp(2rem, 4.5vw, 3.2rem); line-height: 1.15; font-weight: 800; margin-bottom: 20px; }
.hero .highlight { color: var(--accent-light); }
.hero-sub { font-size: 1.1rem; color: rgba(255,255,255,0.85); max-width: 560px; margin-bottom: 32px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

.hero-card {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: var(--radius);
  padding: 28px;
  backdrop-filter: blur(6px);
}
.hero-card-title { font-weight: 700; margin-bottom: 14px; color: var(--accent); }
.hero-list { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.hero-list li { padding-left: 22px; position: relative; font-size: 0.98rem; }
.hero-list li::before { content: "✓"; position: absolute; left: 0; color: var(--accent); font-weight: 700; }
.hero-card-foot { margin-top: 18px; padding-top: 14px; border-top: 1px solid rgba(255,255,255,0.14); font-size: 0.8rem; color: rgba(255,255,255,0.65); }

/* ===== Secciones ===== */
.section { padding: 84px 0; }
.section-alt { background: var(--bg-alt); }
.section-dark { background: var(--primary-dark); color: #fff; }
.section-head { margin-bottom: 46px; }
.section-tag {
  display: inline-block;
  color: #0085de;
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  margin-bottom: 10px;
}
.section-tag-light { color: var(--accent); }
.section-head h2 { font-size: clamp(1.6rem, 3vw, 2.3rem); font-weight: 800; color: var(--text); }
.section-dark .section-head h2 { color: #fff; }

/* ===== Sobre nosotros ===== */
.about-grid { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 50px; align-items: center; }
.about-text p { margin-bottom: 16px; color: var(--text-light); font-size: 1.02rem; }
.about-text strong { color: var(--text); }
.about-visual { display: flex; flex-direction: column; gap: 20px; }
.about-logo {
  background: #fff;
  border: 1px solid #e3eef7;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  max-width: 240px;
  padding: 30px;
  margin: 0 auto;
}
.about-stats { display: flex; flex-direction: column; gap: 16px; }
.stat {
  background: var(--bg-alt);
  border-left: 4px solid var(--accent);
  border-radius: 10px;
  padding: 20px 24px;
}
.stat-num { display: block; font-size: 1.7rem; font-weight: 800; color: #0d7fc4; }
.stat-label { font-size: 0.92rem; color: var(--text-light); }

/* ===== Servicios ===== */
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-bottom: 50px; }
.service-card {
  background: #fff;
  border: 1px solid #e8ecf1;
  border-radius: var(--radius);
  padding: 30px 26px;
  box-shadow: var(--shadow);
  transition: transform 0.25s ease;
}
.service-card:hover { transform: translateY(-6px); }
.service-icon { font-size: 2.2rem; margin-bottom: 16px; }
.service-card h3 { font-size: 1.12rem; font-weight: 700; margin-bottom: 10px; color: #0d7fc4; }
.service-card p { font-size: 0.95rem; color: var(--text-light); }

.services-more { text-align: center; }
.services-more h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: 16px; color: var(--text); }
.tags { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; }
.tag {
  background: var(--primary);
  color: #fff;
  padding: 8px 18px;
  border-radius: 100px;
  font-size: 0.88rem;
  font-weight: 500;
}

/* ===== FAQ ===== */
.faq-list { margin-bottom: 50px; }
.faq-item {
  border: 1px solid #e8ecf1;
  border-radius: 12px;
  margin-bottom: 12px;
  background: #fff;
  overflow: hidden;
}
.faq-item summary {
  padding: 18px 22px;
  cursor: pointer;
  font-weight: 600;
  color: var(--text);
  list-style: none;
  position: relative;
  padding-right: 46px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 20px; top: 50%;
  transform: translateY(-50%);
  font-size: 1.5rem;
  font-weight: 400;
  color: var(--accent-dark);
  transition: transform 0.2s;
}
.faq-item[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.faq-item p { padding: 0 22px 18px; color: var(--text-light); font-size: 0.97rem; }

/* ===== Testimonio ===== */
.testimonial {
  background: var(--bg-alt);
  border-radius: var(--radius);
  padding: 40px 44px;
  text-align: center;
  border: 1px solid #e8ecf1;
}
.testimonial blockquote { font-size: 1.15rem; font-style: italic; color: var(--text); max-width: 720px; margin: 0 auto 16px; }
.testimonial cite { font-style: normal; font-weight: 700; color: var(--accent-dark); }

/* ===== Contacto ===== */
.section-dark .section-head h2 { margin-bottom: 0; }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: start; }
.contact-info h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); font-weight: 800; margin-bottom: 16px; }
.contact-info p { color: rgba(255,255,255,0.8); margin-bottom: 24px; }
.contact-line { margin-bottom: 12px; font-size: 1rem; color: #fff; }
.contact-line a { color: var(--accent-light); text-decoration: none; }
.contact-line a:hover { text-decoration: underline; }

.contact-form {
  background: #fff;
  border-radius: var(--radius);
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  color: var(--text);
  box-shadow: var(--shadow);
}
.contact-form label { display: flex; flex-direction: column; gap: 6px; font-weight: 600; font-size: 0.9rem; color: var(--text); }
.contact-form input,
.contact-form textarea {
  font-family: inherit;
  font-size: 0.98rem;
  padding: 12px 14px;
  border: 1.5px solid #d8dfe7;
  border-radius: 9px;
  background: #fafbfc;
  color: var(--text);
  transition: border-color 0.2s;
}
.contact-form input:focus,
.contact-form textarea:focus { outline: none; border-color: var(--accent); background: #fff; }
.form-note { font-size: 0.9rem; font-weight: 600; min-height: 1.2em; }
.form-note.ok { color: #1a7f37; }
.form-note.err { color: #c62828; }

/* ===== Footer ===== */
.footer { background: var(--primary-dark); color: rgba(255,255,255,0.7); padding: 26px 0; font-size: 0.88rem; }
.footer-inner { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 14px; }
.footer-logo {
  height: 38px;
  width: auto;
  background: #fff;
  border-radius: 8px;
  padding: 4px 10px;
}

/* ===== Responsive ===== */
@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero { padding: 64px 0 72px; }
  .about-grid { grid-template-columns: 1fr; }
  .services-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .nav-links {
    position: fixed;
    top: 86px; left: 0; right: 0;
    background: #fff;
    flex-direction: column;
    align-items: flex-start;
    padding: 20px 5%;
    gap: 18px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.12);
    transform: translateY(-130%);
    transition: transform 0.3s ease;
  }
  .nav-links.open { transform: translateY(0); }
  .nav-toggle { display: block; }
}