/* =========================================================
   ESTILOS GENERALES - ESCUELA NÁUTICA MURCIA
   ========================================================= */

:root {
  --azul-marino: #00264d;
  --naranja: #f36b21;
  --gris-claro: #f3f5f7;
  --blanco: #ffffff;
  --fuente-titulo: 'Poppins', sans-serif;
  --fuente-texto: 'Inter', sans-serif;
}

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

body {
  font-family: var(--fuente-texto);
  color: var(--azul-marino);
  background-color: var(--blanco);
  line-height: 1.6;
  overflow-x: hidden;
}

/* =========================================================
   CABECERA
   ========================================================= */

header.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  background-color: rgba(255, 255, 255, 0.95);
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.6rem 2rem;
  z-index: 1000;
}

.logo img {
  height: 60px;
}

nav ul {
  display: flex;
  gap: 1.5rem;
  list-style: none;
}

nav a {
  color: var(--azul-marino);
  font-weight: 600;
  text-decoration: none;
  transition: color 0.3s;
}

nav a:hover {
  color: var(--naranja);
}

/* CONTACTO EN CABECERA */
.contact-info {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  font-size: 0.85rem;
}

.contact-info a {
  color: var(--naranja);
  text-decoration: none;
  font-weight: 600;
  margin: 2px 0;
}

.contact-info a:hover {
  text-decoration: underline;
}

/* =========================================================
   HERO VIDEO
   ========================================================= */

.hero {
  position: relative;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--blanco);
}

.hero video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: -2;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 38, 77, 0.4);
  z-index: -1;
}

.hero-content {
  max-width: 800px;
  padding: 2rem;
}

.hero-content h1 {
  font-family: var(--fuente-titulo);
  font-size: 2.6rem;
  margin-bottom: 1rem;
}

.hero-content h1 span {
  color: var(--naranja);
}

.hero-content p {
  font-size: 1.2rem;
  margin-bottom: 2rem;
}

/* BOTONES CTA */
.btn {
  display: inline-block;
  padding: 0.8rem 1.8rem;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s ease;
  margin: 0.3rem;
}

.btn.primary {
  background: var(--naranja);
  color: var(--blanco);
}

.btn.primary:hover {
  background: #d95d15;
}

.btn.secondary {
  background: transparent;
  border: 2px solid var(--blanco);
  color: var(--blanco);
}

.btn.secondary:hover {
  background: var(--blanco);
  color: var(--azul-marino);
}

/* =========================================================
   SECCIÓN CURSOS
   ========================================================= */

.courses {
  padding: 6rem 2rem;
  background: var(--gris-claro);
  text-align: center;
}

.courses h2 {
  font-family: var(--fuente-titulo);
  font-size: 2rem;
  margin-bottom: 2rem;
}

.course-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
}

.course-card {
  background: var(--blanco);
  border-radius: 12px;
  padding: 2rem 1rem;
  text-decoration: none;
  color: var(--azul-marino);
  font-weight: 600;
  font-size: 1.1rem;
  transition: all 0.3s ease;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.course-card:hover {
  background: var(--naranja);
  color: var(--blanco);
  transform: translateY(-5px);
}

/* =========================================================
   FOOTER
   ========================================================= */

footer {
  background: var(--azul-marino);
  color: var(--blanco);
  text-align: center;
  padding: 2rem 1rem;
}

footer a {
  color: var(--naranja);
  text-decoration: none;
  font-weight: 600;
}

footer a:hover {
  text-decoration: underline;
}

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

@media (max-width: 768px) {
  header.navbar {
    flex-direction: column;
    align-items: flex-start;
  }

  nav ul {
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 0.5rem;
  }

  .contact-info {
    align-items: flex-start;
  }

  .hero-content h1 {
    font-size: 2rem;
  }
}


/* ==== CURSOS ==== */
.hero {
  text-align: center;
  padding: 4rem 2rem;
  background: linear-gradient(rgba(0,0,0,0.4), rgba(0,0,0,0.4)),
              url('../img/bg-mar-menor.jpg') center/cover;
  color: white;
}
.hero h1 {
  font-size: 2.8rem;
  margin-bottom: 1rem;
}
.hero p {
  font-size: 1.2rem;
  max-width: 800px;
  margin: 0 auto;
}

.courses-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  padding: 4rem 2rem;
}

.course-card {
  background: white;
  border-radius: 12px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.1);
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.course-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 6px 18px rgba(0,0,0,0.15);
}
.course-card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}
.card-content {
  padding: 1.5rem;
}
.card-content h2 {
  color: #003366;
  margin-bottom: 0.5rem;
}
.card-content p {
  margin-bottom: 1rem;
  color: #555;
}
.btn.primary {
  background-color: #ffcc00;
  color: #000;
  padding: 0.7rem 1.4rem;
  border-radius: 30px;
  text-transform: uppercase;
  font-weight: bold;
  text-decoration: none;
  transition: background 0.3s ease;
}
.btn.primary:hover {
  background-color: #e6b800;
}

/* Tarjetas con imagen para grids */
.courses-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 2rem;
}

.course-card {
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.08);
  overflow: hidden;
  transition: transform .3s ease, box-shadow .3s ease;
}
.course-card:hover { transform: translateY(-4px); box-shadow: 0 8px 22px rgba(0,0,0,0.12); }
.course-card img { width: 100%; height: 180px; object-fit: cover; display:block; }
.card-content { padding: 1.2rem; }
.card-content h2 { margin: 0 0 .4rem; color: #00264d; }
.card-content p { margin: 0 0 1rem; color: #555; }