/* -------------------------------------------------- */
/* 1. CONFIGURACIÓN GLOBAL Y VARIABLES                */
/* -------------------------------------------------- */
@import url('https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.5.2/css/all.min.css');

:root {
  --color-lienzo: #FBFBFB;
  --color-carbon: #1D1D1F;
  --color-azul-estrategico: #0057FF;
  --color-gris-arquitecto: #8A8A8E;
  --color-azul-medianoche: #1D263B;
}

body {
  font-family: 'Inter', sans-serif;
  background-color: var(--color-lienzo);
  color: var(--color-carbon);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

/* -------------------------------------------------- */
/* 2. HEADER Y NAVEGACIÓN                             */
/* -------------------------------------------------- */
.header {
  background-color: rgba(251, 251, 251, 0.8);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 50;
  box-shadow: 0 2px 4px rgba(0,0,0,0.05);
  border-bottom: 1px solid #e5e7eb;
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 4.5rem;
}

.logo {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-carbon);
  text-decoration: none;
}

.nav-desktop {
  display: none; /* Oculto en móvil por defecto */
}

.nav-link {
  color: var(--color-gris-arquitecto);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s ease;
}
.nav-link:hover {
  color: var(--color-azul-estrategico);
}
.nav-link-active {
  color: var(--color-azul-estrategico);
  font-weight: 600;
}

.cta-button {
  background-color: var(--color-azul-medianoche);
  color: var(--color-lienzo);
  padding: 0.5rem 1rem;
  border-radius: 0.375rem;
  text-decoration: none;
  font-weight: 500;
  transition: background-color 0.3s ease;
}
.cta-button:hover {
  background-color: var(--color-azul-estrategico);
}

.mobile-menu-button {
  display: block;
  font-size: 1.5rem;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-carbon);
}

.mobile-menu {
  display: none;
  background-color: var(--color-lienzo);
  box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}
.mobile-nav-link {
  display: block;
  padding: 1rem 1.5rem;
  text-decoration: none;
  color: var(--color-gris-arquitecto);
  border-top: 1px solid #e5e7eb;
}

@media (min-width: 768px) {
  .nav-desktop {
    display: flex;
    align-items: center;
    gap: 2rem;
  }
  .mobile-menu-button {
    display: none;
  }
}

/* -------------------------------------------------- */
/* 3. ESTILOS GENERALES DE PÁGINA                     */
/* -------------------------------------------------- */
.main-content {
  padding-top: 4rem;
  padding-bottom: 4rem;
}
.section-container {
    padding-top: 4rem;
    padding-bottom: 4rem;
}
.page-title {
  font-size: 2.5rem;
  font-weight: 800;
  text-align: center;
  margin-bottom: 1rem;
}
.page-subtitle {
  font-size: 1.125rem;
  color: var(--color-gris-arquitecto);
  text-align: center;
  max-width: 42rem;
  margin: 0 auto;
}
.section-title {
  font-size: 2rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 3rem;
  position: relative;
}
.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background-color: var(--color-azul-estrategico);
    margin: 0.75rem auto 0;
}

@media (min-width: 768px) {
    .page-title {
        font-size: 3.5rem;
    }
    .page-subtitle {
        font-size: 1.25rem;
    }
}

/* -------------------------------------------------- */
/* 4. FOOTER                                          */
/* -------------------------------------------------- */
.footer {
  background-color: var(--color-azul-medianoche);
  color: var(--color-lienzo);
  padding: 2rem 0;
  text-align: center;
  margin-top: 0;
}

/* -------------------------------------------------- */
/* 5. ESTILOS DE BOTONES Y CTAs                      */
/* -------------------------------------------------- */
.main-cta {
  background-color: var(--color-azul-estrategico);
  color: var(--color-lienzo);
  padding: 1rem 2.5rem;
  border-radius: 0.375rem;
  text-decoration: none;
  font-weight: 600;
  display: inline-block;
  transition: all 0.3s ease;
}
.main-cta:hover {
  background-color: var(--color-azul-medianoche);
  transform: translateY(-2px);
  box-shadow: 0 10px 15px -3px rgba(0,0,0,0.1);
}
.secondary-cta {
    color: var(--color-azul-estrategico);
    font-weight: 600;
    text-decoration: none;
    border: 2px solid var(--color-azul-estrategico);
    padding: 0.75rem 1.5rem;
    border-radius: 0.375rem;
    transition: all 0.3s ease;
}
.secondary-cta:hover {
    background-color: var(--color-azul-estrategico);
    color: var(--color-lienzo);
}
.section-cta-container {
    text-align: center;
    padding-top: 4rem; /* Añadido espacio superior para separar del contenido */
    padding-bottom: 4rem; /* Añadido espacio inferior para separar del footer */
}

/* -------------------------------------------------- */
/* 6. ESTILOS MEJORADOS PARA TARJETAS DE SERVICIO   */
/* -------------------------------------------------- */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.skill-card {
    background-color: #ffffff;
    border: 1px solid #e5e7eb;
    border-radius: 0.75rem;
    padding: 2.5rem;
    text-align: center;
    box-shadow: 0 4px 6px -1px rgba(0,0,0,0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.skill-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 25px -5px rgba(0,0,0,0.1), 0 10px 10px -5px rgba(0,0,0,0.04);
}

.skill-icon {
    display: inline-block;
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    background: linear-gradient(45deg, var(--color-azul-estrategico), #9D4EDD);
    -webkit-background-clip: text;
    background-clip: text; /* Añadido para compatibilidad */
    -webkit-text-fill-color: transparent;
    transition: transform 0.3s ease;
}
.skill-card:hover .skill-icon {
    transform: scale(1.1);
}

.skill-card .skill-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-carbon);
    margin-bottom: 0.5rem;
}

.skill-card .skill-description {
    color: var(--color-gris-arquitecto);
    line-height: 1.6;
}

/* -------------------------------------------------- */
/* 7. ESTILOS PARA PORTAFOLIO Y PROYECTOS             */
/* -------------------------------------------------- */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}
.portfolio-item {
    position: relative;
    overflow: hidden;
    border-radius: 0.5rem;
    box-shadow: 0 10px 15px -3px rgba(0,0,0,0.1);
    height: 350px;
    text-decoration: none;
}
.portfolio-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}
.portfolio-item:hover img {
    transform: scale(1.05);
}
.portfolio-item-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.8) 0%, rgba(0,0,0,0) 100%);
    padding: 2rem 1.5rem 1.5rem;
    color: white;
    transform: translateY(100%);
    opacity: 0;
    transition: all 0.4s ease;
}
.portfolio-item:hover .portfolio-item-overlay {
    transform: translateY(0);
    opacity: 1;
}
.portfolio-item-overlay h3 {
    font-size: 1.5rem;
    font-weight: 700;
}
.portfolio-item-overlay p {
    font-size: 1rem;
    color: rgba(255,255,255,0.8);
}

/* -------------------------------------------------- */
/* 8. ESTILOS PARA LA PÁGINA DE PERFIL (CORREGIDO)    */
/* -------------------------------------------------- */

.profile-hero {
  background-color: white;
  padding-top: 4rem;
  padding-bottom: 4rem;
}
.profile-hero-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
}
.profile-image-container {
  width: 200px;
  height: 200px;
  border-radius: 50%;
  overflow: hidden;
  box-shadow: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);
  border: 5px solid var(--color-azul-estrategico);
  flex-shrink: 0; /* Evita que la imagen se encoja */
}
.profile-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.profile-hero-text {
  text-align: center;
  max-width: 600px;
}
.profile-summary {
  font-size: 1.125rem;
  color: var(--color-gris-arquitecto);
  max-width: 42rem;
  margin-top: 1.5rem;
}
/* Timeline */
.timeline {
  position: relative;
  max-width: 48rem;
  margin: 0 auto;
}
.timeline::after {
  content: '';
  position: absolute;
  width: 3px;
  background-color: #e5e7eb;
  top: 0;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
}
.timeline-item {
  padding: 1rem 0;
  position: relative;
  width: 50%;
  box-sizing: border-box;
}
.timeline-item:nth-child(odd) {
  left: 0;
  padding-right: 2.5rem;
  text-align: right;
}
.timeline-item:nth-child(even) {
  left: 50%;
  padding-left: 2.5rem;
}
.timeline-item::after {
  content: '';
  position: absolute;
  width: 20px;
  height: 20px;
  background-color: white;
  border: 4px solid var(--color-azul-estrategico);
  top: 1.5rem;
  border-radius: 50%;
  z-index: 1;
}
.timeline-item:nth-child(odd)::after {
  right: -10px;
  transform: translateY(-50%);
}
.timeline-item:nth-child(even)::after {
  left: -10px;
  transform: translateY(-50%);
}
.timeline-content {
  padding: 1.5rem;
  background-color: white;
  border-radius: 0.5rem;
  box-shadow: 0 4px 6px -1px rgba(0,0,0,0.1);
}
.timeline-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}
.timeline-subtitle {
    font-style: italic;
    color: var(--color-gris-arquitecto);
    margin-bottom: 0.75rem;
}
.education-section {
    background-color: white;
}
.education-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    max-width: 48rem;
    margin: 0 auto;
}
.education-card {
    background-color: var(--color-lienzo);
    padding: 2rem;
    border-radius: 0.5rem;
    text-align: center;
    border: 1px solid #e5e7eb;
}

@media (max-width: 767px) {
  .profile-hero-container {
      text-align: center;
  }
  .timeline::after {
      left: 10px;
  }
  .timeline-item {
      width: 100%;
      padding-left: 2.5rem;
      padding-right: 0;
      text-align: left !important;
  }
  .timeline-item:nth-child(odd) {
      left: 0;
  }
  .timeline-item:nth-child(even) {
      left: 0;
      padding-left: 2.5rem;
  }
  .timeline-item::after {
      left: 1px;
  }
  .timeline-item:nth-child(odd)::after, .timeline-item:nth-child(even)::after {
      left: 1px;
      transform: translateY(-50%);
  }
}
@media (min-width: 768px) {
    .profile-hero-container {
        flex-direction: row;
        text-align: left;
    }
    .profile-hero-text {
        text-align: left;
    }
    .education-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* -------------------------------------------------- */
/* 9. ESTILOS PARA LA PÁGINA DE INICIO (HOME)        */
/* -------------------------------------------------- */

.home-hero {
    position: relative;
    height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
    overflow: hidden;
}

.home-hero-video {
    position: absolute;
    top: 50%;
    left: 50%;
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: auto;
    z-index: -1;
    transform: translateX(-50%) translateY(-50%);
    object-fit: cover;
}

.home-hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(29, 38, 59, 0.7); /* Azul de Medianoche con opacidad */
}

.home-hero-content {
    position: relative;
    z-index: 1;
}

.home-hero-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.home-hero-subtitle {
    font-size: 1.25rem;
    max-width: 48rem;
    margin: 0 auto 2rem;
    color: rgba(251, 251, 251, 0.9);
}

.portfolio-preview-section {
    background-color: white;
}
.portfolio-preview-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}
.portfolio-preview-card {
    position: relative;
    overflow: hidden;
    border-radius: 0.5rem;
    box-shadow: 0 4px 6px -1px rgba(0,0,0,0.1);
    height: 350px;
}
.portfolio-preview-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}
.portfolio-preview-card:hover img {
    transform: scale(1.05);
}
.portfolio-preview-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.8) 0%, rgba(0,0,0,0) 100%);
    padding: 2rem 1.5rem 1.5rem;
    color: white;
}
.portfolio-preview-overlay h3 {
    font-size: 1.5rem;
    font-weight: 700;
}

@media (min-width: 768px) {
    .home-hero-title {
        font-size: 4rem;
    }
    .portfolio-preview-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* -------------------------------------------------- */
/* 10. ESTILOS PARA CONTACTO Y BRIEF (NUEVO)        */
/* -------------------------------------------------- */

.content-box {
  background-color: white;
  padding: 2.5rem;
  border-radius: 0.75rem;
  box-shadow: 0 10px 15px -3px rgba(0,0,0,0.07), 0 4px 6px -2px rgba(0,0,0,0.05);
  max-width: 48rem;
  margin: 3rem auto 0;
  text-align: center;
}

.content-box p {
  color: var(--color-gris-arquitecto);
  font-size: 1.125rem;
  margin-bottom: 2rem;
}

/* --- Formulario del Brief --- */
.brief-form-container {
  background-color: white;
  padding: 2rem;
  border-radius: 0.75rem;
  box-shadow: 0 10px 15px -3px rgba(0,0,0,0.07), 0 4px 6px -2px rgba(0,0,0,0.05);
  max-width: 56rem;
  margin: 0 auto;
}

@media (min-width: 768px) {
    .brief-form-container {
        padding: 3rem;
    }
}

.form-section {
  margin-bottom: 2.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid #e5e7eb;
}
.form-section:last-of-type {
    border-bottom: none;
    margin-bottom: 0;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  font-weight: 500;
  margin-bottom: 0.5rem;
  color: var(--color-carbon);
}

.form-input, .form-textarea, .form-select {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid #d1d5db;
  border-radius: 0.375rem;
  font-size: 1rem;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.form-input:focus, .form-textarea:focus, .form-select:focus {
  outline: none;
  border-color: var(--color-azul-estrategico);
  box-shadow: 0 0 0 3px rgba(0, 87, 255, 0.2);
}

.form-textarea {
  min-height: 120px;
  resize: vertical;
}

#spinner {
  display: none;
  width: 20px;
  height: 20px;
  border: 3px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  border-top-color: var(--color-lienzo);
  animation: spin 1s ease-in-out infinite;
  margin-left: 0.75rem;
}
#brief-form button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* -------------------------------------------------- */
/* 11. ESTILOS ESPECÍFICOS PARA PROYECTOS             */
/* -------------------------------------------------- */
.project-hero {
    position: relative;
    min-height: 70vh; /* Se cambió height por min-height para mejor flexibilidad */
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    overflow: hidden;
}

.project-hero-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    z-index: 0;
    object-position: center 90%;
}

.project-hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(29, 38, 59, 0.6);
    z-index: 1;
}

.project-hero-content {
    position: relative;
    color: white;
    z-index: 2;
    padding: 0 1.5rem;
}

.project-title {
  font-size: 3rem;
  font-weight: 800;
  line-height: 1.2;
}

.project-subtitle {
  font-size: 1.25rem;
  max-width: 48rem;
  margin: 0 auto;
  color: rgba(251, 251, 251, 0.9);
}

.project-details-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
}

.project-section-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.project-visuals-section {
    background-color: var(--color-lienzo);
    padding: 4rem 0;
}
.visual-identity-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    margin-top: 2rem;
}
.visual-item {
    text-align: center;
}
.visual-item img {
    width: 100%;
    height: auto;
    border-radius: 0.5rem;
    box-shadow: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -2px rgba(0,0,0,0.05);
}
.visual-item h4 {
    margin-top: 1rem;
    font-size: 1.25rem;
    font-weight: 600;
}

.solo-image-container {
  max-width: 900px;
  margin: 0 auto;
  padding: 4rem 1.5rem;
  text-align: center;
}
.solo-image-container img {
  width: 100%;
  border-radius: 0.75rem;
  box-shadow: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);
}

@media (min-width: 768px) {
  .project-details-grid {
      grid-template-columns: repeat(2, 1fr);
  }
  .visual-identity-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}