/* ==========================================
   VARIABLES Y ESTILOS GENERALES
   ========================================== */
:root {
  --primary: #ff5252;
  --secondary: #ffd54f;
  --accent: #4dd0e1;
  --purple: #ba68c8;
  --green: #81c784;
  --dark: #2c3e50;
  --light-bg: #f7f9fc;
  --white: #ffffff;
  --radius: 16px;
  --transition: all 0.3s ease;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  scroll-behavior: smooth;
}

body {
  background-color: var(--light-bg);
  color: var(--dark);
  line-height: 1.6;
}

.container {
  max-width: 1200px;
  margin: 4rem auto;
  padding: 0 1.5rem;
}

.section-title {
  text-align: center;
  font-size: 2.2rem;
  color: var(--dark);
  margin-bottom: 2.5rem;
  position: relative;
}

.section-title::after {
  content: '';
  display: block;
  width: 70px;
  height: 5px;
  background: var(--accent);
  margin: 10px auto 0;
  border-radius: 10px;
}

/* ==========================================
   NAVEGACIÓN / HEADER DINÁMICO
   ========================================== */
header {
  background: var(--white);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.5rem;
}

.logo {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--primary);
  text-decoration: none;
}

.logo span {
  color: var(--accent);
}

nav ul {
  display: flex;
  list-style: none;
  gap: 0.5rem;
}

nav a {
  text-decoration: none;
  color: var(--dark);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 8px 14px;
  border-radius: 20px;
  transition: var(--transition);
}

nav a:hover, nav a.active {
  background-color: var(--secondary);
  color: var(--dark);
}

.menu-toggle {
  display: none;
  font-size: 1.8rem;
  cursor: pointer;
  color: var(--dark);
}

/* ==========================================
   HERO / INICIO
   ========================================== */
.hero {
  background: linear-gradient(135deg, rgba(77, 208, 225, 0.25), rgba(186, 104, 200, 0.25));
  padding: 6rem 1.5rem;
  text-align: center;
  border-bottom-left-radius: 40px;
  border-bottom-right-radius: 40px;
}

.hero-content {
  max-width: 750px;
  margin: 0 auto;
}

.hero h1 {
  font-size: 2.8rem;
  color: var(--primary);
  margin-bottom: 1rem;
}

.hero p {
  font-size: 1.25rem;
  margin-bottom: 2rem;
  color: #4a5568;
}

.btn-primary {
  display: inline-block;
  background: var(--primary);
  color: var(--white);
  padding: 12px 28px;
  border-radius: 30px;
  text-decoration: none;
  font-weight: 700;
  transition: var(--transition);
  box-shadow: 0 4px 12px rgba(255, 82, 82, 0.3);
}

.btn-primary:hover {
  background: #e04545;
  transform: translateY(-2px);
}

/* ==========================================
   TARJETAS Y GRIDS
   ========================================== */
.card {
  background: var(--white);
  padding: 2rem;
  border-radius: var(--radius);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.04);
  transition: var(--transition);
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 25px rgba(0, 0, 0, 0.08);
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 2rem;
}

.service-card, .team-card {
  text-align: center;
}

.icon, .avatar {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.highlight-card {
  border-left: 6px solid var(--accent);
  background: #f0fdff;
}

/* ==========================================
   GALERÍA DE FOTOS
   ========================================== */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
}

.gallery-item {
  height: 220px;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-weight: 700;
  font-size: 1.1rem;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.4);
  transition: var(--transition);
  cursor: pointer;
  background-size: cover;
  background-position: center;
}

.gallery-item:hover {
  transform: scale(1.03);
}

.item-1 { background: linear-gradient(135deg, #ff9a9e, #fecfef); }
.item-2 { background: linear-gradient(135deg, #a1c4fd, #c2e9fb); }
.item-3 { background: linear-gradient(135deg, #ff8177, #ff0844); }
.item-4 { background: linear-gradient(135deg, #84fab0, #8fd3f4); }
.item-5 { background: linear-gradient(135deg, #fccb90, #d57eeb); }
.item-6 { background: linear-gradient(135deg, #e0c3fc, #8ec5fc); }

/* ==========================================
   FORMULARIO DE CONTACTO
   ========================================== */
.contact-form {
  background: var(--white);
  padding: 2.5rem;
  border-radius: var(--radius);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.04);
  max-width: 650px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-group label {
  font-weight: 600;
  color: var(--dark);
}

input, textarea {
  padding: 12px 16px;
  border: 2px solid #e2e8f0;
  border-radius: 12px;
  outline: none;
  font-size: 1rem;
  transition: var(--transition);
}

input:focus, textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(77, 208, 225, 0.2);
}

.btn-submit {
  background: var(--primary);
  color: var(--white);
  border: none;
  padding: 14px;
  border-radius: 12px;
  font-weight: 700;
  font-size: 1rem;
  cursor: pointer;
  transition: var(--transition);
  margin-top: 0.5rem;
}

.btn-submit:hover {
  background: #e04545;
}

/* ==========================================
   BOTÓN FLOTANTE WHATSAPP
   ========================================== */
.btn-whatsapp {
  position: fixed;
  bottom: 25px;
  right: 25px;
  background-color: #25d366;
  color: var(--white);
  border-radius: 50px;
  padding: 12px 22px;
  text-decoration: none;
  font-weight: 700;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  display: flex;
  align-items: center;
  gap: 10px;
  z-index: 1001;
  transition: var(--transition);
}

.btn-whatsapp:hover {
  transform: scale(1.07);
  background-color: #1eb956;
}

.wa-icon {
  font-size: 1.3rem;
}

/* ==========================================
   FOOTER
   ========================================== */
footer {
  background: var(--dark);
  color: var(--white);
  text-align: center;
  padding: 2rem;
  margin-top: 5rem;
}

/* ==========================================
   RESPONSIVO (MÓVILES Y TABLETS)
   ========================================== */
@media (max-width: 900px) {
  .menu-toggle {
    display: block;
  }

  nav ul {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--white);
    padding: 1.5rem;
    box-shadow: 0 10px 15px rgba(0, 0, 0, 0.08);
    gap: 1rem;
  }

  nav ul.show {
    display: flex;
  }

  .hero h1 {
    font-size: 2.2rem;
  }

  .wa-text {
    display: none;
  }

  .btn-whatsapp {
    padding: 14px;
    border-radius: 50%;
  }
}