/* ==========================================================
   🎨 Luis Roldán Camacho — styles.css
   Paleta personalizada + ajustes visuales sobre Bootstrap 5.3.8
   ========================================================== */

/* ----------------------------------------------------------
   🧱 Variables de tema (sobrescriben las de Bootstrap)
   ---------------------------------------------------------- */
:root {
  /* Paleta principal */
  --bs-primary: #7dd3fc;       /* Azul hielo */
  --bs-secondary: #a3a3a3;     /* Gris neutro */
  --bs-dark: #0b0b0c;          /* Fondo oscuro principal */
  --bs-body-bg: var(--bs-dark);
  --bs-body-color: #f5f5f5;
  --bs-border-color: #2e2e2e;
  --bs-link-color: var(--bs-primary);
  --bs-link-hover-color: #bae6fd;

  /* Personalización de tipografía */
  --bs-font-sans-serif: "Inter", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --bs-heading-color: #ffffff;
  --bs-code-color: #eab308; /* Amarillo para fragmentos de código */
}

/* ----------------------------------------------------------
   🌐 Configuración global
   ---------------------------------------------------------- */
html, body {
  scroll-behavior: smooth;
  background-color: var(--bs-body-bg);
  color: var(--bs-body-color);
  font-family: var(--bs-font-sans-serif);
}

h1, h2, h3, h4, h5, h6 {
  color: var(--bs-heading-color);
  font-weight: 700;
  letter-spacing: -0.02em;
}

p {
  line-height: 1.7;
}

/* ----------------------------------------------------------
   🧭 Navbar
   ---------------------------------------------------------- */
.navbar {
  backdrop-filter: blur(12px);
  background-color: rgba(11, 11, 12, 0.85) !important;
}

.navbar-brand {
  font-size: 1.1rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.navbar-nav .nav-link {
  color: var(--bs-body-color);
  opacity: 0.85;
  transition: opacity 0.2s ease-in-out;
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
  opacity: 1;
  color: var(--bs-primary);
}

/* ----------------------------------------------------------
   🚀 Hero Section
   ---------------------------------------------------------- */
#inicio {
  background: radial-gradient(circle at 50% 20%, #111 0%, #000 100%);
  border-bottom: 1px solid var(--bs-border-color);
}

#inicio h1 {
  font-size: 1.8rem;
}

@media (min-width: 992px) {
  #inicio h1 {
    font-size: 2.2rem;
  }
}

#inicio .btn-primary {
  background-color: var(--bs-primary);
  border-color: var(--bs-primary);
}

#inicio .btn-outline-light:hover {
  color: var(--bs-dark);
  background-color: #fff;
}

/* ----------------------------------------------------------
   🧩 Proyectos
   ---------------------------------------------------------- */
#proyectos {
  background-color: #121212;
}

#proyectos .card {
  background-color: #1a1a1a;
  transition: transform 0.2s ease-in-out, box-shadow 0.2s ease-in-out;
}

#proyectos .card:hover {
  transform: translateY(-6px);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.3);
}

#proyectos .card-title {
  color: var(--bs-primary);
}

#proyectos .btn-outline-light:hover {
  color: var(--bs-dark);
  background-color: var(--bs-primary);
  border-color: var(--bs-primary);
}

/* ----------------------------------------------------------
   ⚙️ Experiencia / Stack Técnico
   ---------------------------------------------------------- */
#experiencia .card {
  background-color: #1c1c1c;
  border: 1px solid var(--bs-border-color);
}

#experiencia ul {
  margin: 0;
  padding-left: 1rem;
}

#experiencia li {
  margin-bottom: 0.3rem;
  color: var(--bs-secondary);
}

/* ----------------------------------------------------------
   ✉️ Contacto
   ---------------------------------------------------------- */
#contacto {
  background-color: #0f0f0f;
  border-top: 1px solid var(--bs-border-color);
}

#contacto p {
  max-width: 600px;
  margin: 0 auto;
}

#contacto .btn {
  min-width: 180px;
}

/* ----------------------------------------------------------
   ⚓ Footer
   ---------------------------------------------------------- */
footer {
  background-color: #0b0b0c;
  color: var(--bs-secondary);
}

footer span {
  color: var(--bs-primary);
}

/* ----------------------------------------------------------
   🎞️ Animaciones y microinteracciones
   ---------------------------------------------------------- */
a,
.btn {
  transition: all 0.25s ease-in-out;
}

img {
  user-select: none;
  -webkit-user-drag: none;
}

/* ----------------------------------------------------------
   📱 Responsividad
   ---------------------------------------------------------- */
@media (max-width: 768px) {
  #inicio h1 {
    font-size: 1.4rem;
  }

  .navbar-brand {
    font-size: 1rem;
  }

  footer {
    font-size: 0.9rem;
  }
}

/* ==========================================================
   🎞️ Animaciones cliente-side
   ========================================================== */

.fade-up,
.fade-left,
.fade-right {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.fade-left {
  transform: translateX(-40px);
}

.fade-right {
  transform: translateX(40px);
}

.visible {
  opacity: 1;
  transform: translate(0, 0);
}

/* Animaciones de carga inicial */
.fade-in {
  animation: fadeIn 1.2s ease-out forwards;
}

.fade-down {
  animation: fadeDown 1s ease-out forwards;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: scale(0.98);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes fadeDown {
  from {
    opacity: 0;
    transform: translateY(-40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ==========================================================
   ⚡ Transiciones SPA-like (cliente-side)
   ========================================================== */

section {
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

section.active {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

/* Efecto de entrada */
.fade-in-section {
  animation: sectionFadeIn 0.8s ease forwards;
}

@keyframes sectionFadeIn {
  0% {
    opacity: 0;
    transform: translateY(25px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}