/**
 * ESTILOS BASE Y ESTRUCTURA GENERAL — GRUPO INDUSTRIAL FRONTERA
 */

@import url('./variables.css');

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  color: var(--color-text-body);
  background-color: var(--color-bg-light);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--color-text-dark);
  line-height: 1.25;
  font-weight: 700;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
  transition: all var(--transition-fast);
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.section-padding {
  padding: 96px 0;
}

.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 56px auto;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 14px;
  background: rgba(11, 29, 58, 0.06);
  border: 1px solid rgba(11, 29, 58, 0.12);
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--color-navy-primary);
  margin-bottom: 16px;
}

.section-tag-gold {
  background: rgba(198, 146, 20, 0.12);
  border-color: rgba(198, 146, 20, 0.25);
  color: var(--color-gold);
}

.section-title {
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  font-weight: 800;
  letter-spacing: -0.5px;
  color: var(--color-navy-dark);
  margin-bottom: 18px;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* Botones Principales */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 28px;
  border-radius: var(--radius-sm);
  font-family: var(--font-heading);
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  transition: all var(--transition-normal);
  cursor: pointer;
}

.btn-primary {
  background: var(--color-gold);
  color: #FFFFFF;
  box-shadow: 0 4px 14px rgba(198, 146, 20, 0.35);
}

.btn-primary:hover {
  background: var(--color-gold-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(198, 146, 20, 0.45);
}

.btn-outline {
  background: transparent;
  color: #FFFFFF;
  border: 1.5px solid rgba(255, 255, 255, 0.4);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: #FFFFFF;
  transform: translateY(-2px);
}

.btn-navy {
  background: var(--color-navy-primary);
  color: #FFFFFF;
}

.btn-navy:hover {
  background: var(--color-navy-secondary);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(11, 29, 58, 0.3);
}

/* Barra confidencial de previsualización (Modo Preview en Desarrollo) */
.preview-banner {
  background: linear-gradient(90deg, #1e293b, #0f172a);
  color: #F8FAFC;
  padding: 8px 16px;
  font-size: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  position: sticky;
  top: 0;
  z-index: 1100;
}

.preview-badge {
  background: #E0AB31;
  color: #0F172A;
  font-weight: 800;
  padding: 2px 8px;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 1px;
}