/* Tokens de diseño: única fuente de verdad para colores, tipografía y radios. */
:root {
  /* Marca */
  --gsam-navy: #2c3e50;
  --gsam-navy-deep: #1a252f;
  --gsam-blue: #0d6efd;
  --gsam-blue-light: #4da8ff;
  --gsam-focus: #258cfb;

  /* Neutros */
  --gsam-ink: #212529;
  --gsam-heading: #343a40;
  --gsam-slate: #495057;
  --gsam-muted: #6c757d;
  --gsam-border: #dee2e6;
  --gsam-surface-alt: #e9ecef;
  --gsam-surface: #f8f9fa;
  --gsam-white: #ffffff;

  /* Productos */
  --netegia-orange: #ff5722;
  --netegia-amber: #ff9800;
  --netegia-light: #febe50;
  --netegia-tint: #fff7f0;
  --netegia-tint-deep: #fff1e6;
  --optimist-green: #198754;
  --optimist-tint: #f1f8f4;
  --optimist-tint-deep: #e8f3ed;

  /* Degradados */
  --gsam-gradient: linear-gradient(135deg, var(--gsam-navy) 0%, var(--gsam-blue) 100%);
  --netegia-gradient: linear-gradient(135deg, var(--netegia-orange) 0%, var(--netegia-amber) 55%, var(--netegia-light) 100%);
  --optimist-gradient: linear-gradient(135deg, var(--gsam-navy) 0%, var(--optimist-green) 100%);

  /* Tipografía */
  --gsam-font: 'Inter', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  --bs-body-font-family: var(--gsam-font);

  /* Radios */
  --gsam-radius-sm: 8px;
  --gsam-radius-md: 12px;
  --gsam-radius-pill: 999px;
}

body {
  font-family: var(--gsam-font);
}

.rounded-4 {
  border-radius: var(--gsam-radius-md) !important;
}

.rounded-top-4 {
  border-top-left-radius: var(--gsam-radius-md) !important;
  border-top-right-radius: var(--gsam-radius-md) !important;
}

html {
  font-size: 14px;
}

@media (min-width: 768px) {
  html {
    font-size: 16px;
  }
}

.btn:focus, .btn:active:focus, .btn-link.nav-link:focus, .form-control:focus, .form-check-input:focus {
  box-shadow: 0 0 0 0.1rem white, 0 0 0 0.25rem var(--gsam-focus);
}

html {
  position: relative;
  min-height: 100%;
}

.hero {
    background-color: #333;
    color: white;
}

#services .card-img-top,
.hero {
    object-fit: cover;
    height: 250px;
}

@media (max-width: 767px) {
    .hero {
        padding: 60px 0;
    }
}

.carousel-item {
    height: 400px; /* altura única para todos los carruseles del sitio */
}

/* Menú principal */
[id] {
    scroll-margin-top: 90px; /* evita que el menú fijo tape las secciones al navegar con anclas */
}

.site-header {
    background-color: rgba(255, 255, 255, 0.85);
    backdrop-filter: saturate(180%) blur(12px);
    -webkit-backdrop-filter: saturate(180%) blur(12px);
    border-bottom: 1px solid rgba(44, 62, 80, 0.08);
    transition: box-shadow 0.3s ease, background-color 0.3s ease;
}

    .site-header.scrolled {
        background-color: rgba(255, 255, 255, 0.95);
        box-shadow: 0 6px 24px rgba(44, 62, 80, 0.12);
    }

    .site-header .navbar {
        padding-top: 0.75rem;
        padding-bottom: 0.75rem;
    }

.brand-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--gsam-navy) 0%, var(--gsam-blue) 100%);
    color: var(--gsam-white);
    font-weight: 800;
    font-size: 1.25rem;
    box-shadow: 0 4px 12px rgba(13, 110, 253, 0.3);
}

.brand-name {
    font-weight: 800;
    letter-spacing: 0.08em;
    color: var(--gsam-navy);
}

.brand-tagline {
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--gsam-muted);
}

.site-header .nav-link {
    color: var(--gsam-navy);
    font-weight: 500;
    padding: 0.5rem 1rem !important;
    border-radius: 999px;
    transition: background-color 0.2s ease, color 0.2s ease;
}

    .site-header .nav-link:hover,
    .site-header .nav-link:focus {
        color: var(--gsam-blue);
        background-color: rgba(13, 110, 253, 0.08);
    }

    .site-header .nav-link.active {
        color: var(--gsam-blue);
        font-weight: 600;
        background-color: rgba(13, 110, 253, 0.12);
    }

.btn-nav-cta {
    border-radius: 999px;
    padding: 0.55rem 1.4rem;
    font-weight: 600;
    color: var(--gsam-white);
    background: linear-gradient(135deg, var(--gsam-navy) 0%, var(--gsam-blue) 100%);
    border: none;
    box-shadow: 0 4px 14px rgba(13, 110, 253, 0.3);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

    .btn-nav-cta:hover,
    .btn-nav-cta:focus,
    .btn-nav-cta.active {
        color: var(--gsam-white);
        transform: translateY(-1px);
        box-shadow: 0 8px 20px rgba(13, 110, 253, 0.4);
    }

@media (max-width: 991.98px) {
    .btn-nav-cta {
        width: 100%;
        margin-bottom: 1rem;
    }
}

.carousel-item img.carousel-img {
    height: 100%;       /* la imagen toma toda la altura del contenedor */
    width: 100%;        /* y todo el ancho */
    object-fit: cover;  /* rellena recortando si hace falta, sin deformar */
}