/* ============================
   RESET + VARIABLES
============================= */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --color-primario: #e63946;
  --color-secundario: #1d3557;
  --color-texto: #222;
  --color-gris: #666;
  --color-fondo: #f7f7f7;
  --max-width: 1200px;
  --radius: 10px;
  --shadow: 0 4px 12px rgba(0,0,0,0.08);
}

body {
  font-family: 'Poppins', sans-serif;
  background: var(--color-fondo);
  color: var(--color-texto);
  line-height: 1.6;
}

/* ============================
   HEADER
============================= */
.nn-header {
  background: #fff;
  border-bottom: 1px solid #eee;
  position: sticky;
  top: 0;
  z-index: 100;
}

.nn-header-inner {
  max-width: var(--max-width);
  margin: auto;
  padding: 15px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nn-logo {
  font-size: 24px;
  font-weight: 700;
  color: var(--color-secundario);
  text-decoration: none;
}

.nn-nav ul {
  list-style: none;
  display: flex;
  gap: 20px;
}

.nn-nav a {
  text-decoration: none;
  color: var(--color-texto);
  font-weight: 500;
  transition: 0.3s;
}

.nn-nav a:hover {
  color: var(--color-primario);
}

.nn-cta {
  padding: 8px 14px;
  background: var(--color-primario);
  color: #fff !important;
  border-radius: 6px;
}

/* ============================
   HERO
============================= */
.nn-hero {
  height: 70vh;
  background: url('../img/hero.png') center/cover no-repeat;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 20px;
}

.nn-hero-content h1 {
  font-size: 42px;
  color: #fff;
  text-shadow: 0 3px 8px rgba(0,0,0,0.4);
}

.nn-hero-content p {
  font-size: 18px;
  color: #fff;
  margin-top: 10px;
  text-shadow: 0 2px 6px rgba(0,0,0,0.4);
}

.nn-hero-btn {
  display: inline-block;
  margin-top: 25px;
  background: var(--color-primario);
  padding: 12px 25px;
  border-radius: 6px;
  color: #fff;
  font-weight: 600;
  text-decoration: none;
  transition: 0.3s;
}

.nn-hero-btn:hover {
  background: #c62839;
}

/* ============================
   SERVICIOS
============================= */
.nn-servicios {
  padding: 60px 20px;
  text-align: center;
}

.nn-servicios-grid {
  max-width: var(--max-width);
  margin: auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 25px;
}

.nn-servicio {
  background: #fff;
  padding: 25px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  font-size: 18px;
}

.nn-servicio span {
  font-size: 32px;
  display: block;
  margin-bottom: 10px;
}

/* ============================
   CONTENIDO
============================= */
.nn-contenido {
  max-width: var(--max-width);
  margin: auto;
  padding: 60px 20px;
}

.nn-contenido h2 {
  margin-top: 40px;
  margin-bottom: 10px;
  color: var(--color-secundario);
}

/* ============================
   TRABAJOS
============================= */
.nn-trabajos {
  padding: 60px 20px;
  text-align: center;
}

.nn-trabajos-grid {
  max-width: var(--max-width);
  margin: auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.nn-trabajos-grid img {
  width: 100%;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: 0.3s;
}

.nn-trabajos-grid img:hover {
  transform: scale(1.03);
}

/* ============================
   FOOTER
============================= */
.nn-footer {
  background: var(--color-secundario);
  color: #fff;
  padding: 50px 20px;
}

.nn-footer-inner {
  max-width: var(--max-width);
  margin: auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.nn-footer a {
  color: #fff;
  opacity: 0.8;
  text-decoration: none;
  display: block;
  margin-top: 6px;
}

.nn-copy {
  text-align: center;
  margin-top: 30px;
  opacity: 0.7;
}

/* ============================
   RESPONSIVE MEJORADO
============================= */

/* Tablets */
@media (max-width: 900px) {

  .nn-header-inner {
    padding: 10px 15px;
  }

  .nn-nav ul {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
  }

  .nn-servicios-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .nn-trabajos-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .nn-hero-content h1 {
    font-size: 32px;
  }
}

/* Móviles */
@media (max-width: 600px) {

  /* HEADER */
  .nn-header-inner {
    flex-direction: column;
    gap: 12px;
  }

  .nn-nav ul {
    flex-direction: column;
    gap: 6px;
    text-align: center;
  }

  .nn-nav a {
    font-size: 16px;
  }

  /* HERO */
  .nn-hero {
    height: 55vh;
    padding: 20px;
    background-position: center;
  }

  .nn-hero-content h1 {
    font-size: 26px;
    line-height: 1.2;
  }

  .nn-hero-content p {
    font-size: 16px;
  }

  /* SERVICIOS */
  .nn-servicios-grid {
    grid-template-columns: 1fr;
  }

  .nn-servicio {
    padding: 20px;
  }

  /* CONTENIDO */
  .nn-contenido {
    padding: 40px 15px;
  }

  .nn-contenido h2 {
    font-size: 22px;
  }

  /* TRABAJOS */
  .nn-trabajos-grid {
    grid-template-columns: 1fr;
  }

  .nn-trabajos-grid img {
    border-radius: 8px;
  }

  /* FOOTER */
  .nn-footer-inner {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 25px;
  }

  .nn-footer h3 {
    margin-bottom: 8px;
  }
}
/* Ajuste del logo en móvil */
@media (max-width: 600px) {
  .nn-logo img {
    height: 50px !important;
    width: auto;
  }

  .nn-header-inner {
    align-items: center;
  }
}