/* ====================
   CSS VARIABLES & DESIGN TOKENS
==================== */
:root {
  --bg-primary: #0d0d0d;
  --bg-secondary: #141414;
  --bg-card: #1a1a1a;
  --bg-card-hover: #202020;
  --accent: #8b0000;
  --accent-bright: #b50000;
  --accent-glow: rgba(139, 0, 0, 0.4);
  --accent-subtle: rgba(139, 0, 0, 0.12);
  --text-primary: #f0f0f0;
  --text-secondary: #a8a8a8;
  --text-muted: #666;
  --border: rgba(255, 255, 255, 0.06);
  --border-accent: rgba(139, 0, 0, 0.5);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.6);
  --shadow-accent: 0 8px 32px rgba(139, 0, 0, 0.35);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --font-heading: "Oswald", sans-serif;
  --font-body: "Lato", sans-serif;
  --font-accent: "Barlow", sans-serif;
}

/* ====================
   RESET & BASE
==================== */
*, *::before, *::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  padding: 0;
  font-family: var(--font-body);
  font-weight: 400;
  background-color: var(--bg-primary);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  color: var(--text-primary);
  overflow-x: hidden;
}

h1, h2, h3, h4 {
  margin: 0;
  line-height: 1.2;
}

h2 {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 2.2rem;
  letter-spacing: 1px;
  color: var(--text-primary);
}

p {
  color: var(--text-secondary);
  text-align: left;
  line-height: 1.7;
}

ul {
  list-style-type: none;
  padding: 0;
  margin: 0;
}

/* ====================
   INTRO ANIMATION
==================== */
#intro {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(ellipse at center, #1a0000 0%, #0d0d0d 70%);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  opacity: 1;
  transition: opacity 0.8s ease;
}

#intro::before {
  content: '';
  position: absolute;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, var(--accent-glow), transparent 70%);
  border-radius: 50%;
  animation: pulse-glow 2s ease-in-out infinite;
}

#intro.hidden {
  opacity: 0;
  pointer-events: none;
}

.intro-logo {
  width: 40%;
  max-width: 260px;
  height: auto;
  display: block;
  margin: 0 auto;
  position: relative;
  z-index: 1;
  animation: logo-entrance 1.8s cubic-bezier(0.34, 1.56, 0.64, 1);
  filter: drop-shadow(0 0 30px var(--accent-glow));
}

@keyframes logo-entrance {
  0%   { transform: scale(0.3) rotate(-10deg); opacity: 0; }
  60%  { transform: scale(1.08) rotate(2deg); opacity: 1; }
  100% { transform: scale(1) rotate(0deg); opacity: 1; }
}

@keyframes pulse-glow {
  0%, 100% { transform: scale(1); opacity: 0.5; }
  50%       { transform: scale(1.3); opacity: 0.8; }
}

/* ====================
   HEADER & NAVIGATION
==================== */
.header_cont {
  position: sticky;
  top: 0;
  z-index: 500;
  background: rgba(13, 13, 13, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 40px;
  max-width: 1300px;
  margin: 0 auto;
  width: 100%;
}

.logo {
  height: 46px;
  width: auto;
  transition: var(--transition);
  filter: brightness(1);
}

.logo:hover {
  filter: brightness(1.15) drop-shadow(0 0 12px var(--accent-glow));
  transform: scale(1.05);
}

header nav {
  display: flex;
  gap: 8px;
  align-items: center;
}

.btn-header {
  background-color: transparent;
  color: var(--text-secondary);
  text-decoration: none;
  border-radius: var(--radius-sm);
  padding: 9px 16px;
  transition: var(--transition);
  font-size: 15px;
  font-family: var(--font-accent);
  font-weight: 500;
  letter-spacing: 0.3px;
  position: relative;
}

.btn-header::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 16px;
  right: 16px;
  height: 2px;
  background: var(--accent-bright);
  border-radius: 2px;
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.btn-header:hover {
  color: var(--text-primary);
  background-color: var(--accent-subtle);
}

.btn-header:hover::after {
  transform: scaleX(1);
}

/* Botón "Contáctame" destacado */
.btn-header:nth-child(2) {
  background: linear-gradient(135deg, var(--accent), var(--accent-bright));
  color: #fff;
  font-weight: 600;
  box-shadow: var(--shadow-accent);
}

.btn-header:nth-child(2):hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(139, 0, 0, 0.5);
  background: linear-gradient(135deg, var(--accent-bright), #cc0000);
}

.btn-header:nth-child(2)::after {
  display: none;
}

/* Botón hamburguesa */
.menu-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  cursor: pointer;
  color: var(--text-primary);
  font-size: 20px;
  transition: var(--transition);
}

.menu-toggle:hover {
  background: var(--accent-subtle);
  border-color: var(--border-accent);
}

.menu-toggle i {
  color: var(--text-primary);
  margin: 0;
}

/* Header para página de proyectos */
.header-projects_cont {
  position: sticky;
  top: 0;
  z-index: 500;
  background: rgba(13, 13, 13, 0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}

.header-projects {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 40px;
  max-width: 1300px;
  margin: 0 auto;
  width: 100%;
}

.btn-header2 {
  background-color: transparent;
  color: var(--text-secondary);
  text-decoration: none;
  border-radius: var(--radius-sm);
  padding: 9px 16px;
  transition: var(--transition);
  font-size: 15px;
  font-family: var(--font-accent);
  font-weight: 500;
}

.btn-header2:hover {
  color: var(--text-primary);
  background-color: var(--accent-subtle);
}

/* Overlay menú móvil */
.overlay {
  display: none;
}

/* ====================
   HERO / PRESENTACIÓN
==================== */
.presentacion {
  background-image: url("../img/fondo.png");
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  min-height: 88vh;
  position: relative;
  display: flex;
  align-items: center;
}

.presentacion::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(13, 13, 13, 0.92) 0%,
    rgba(13, 13, 13, 0.7) 50%,
    rgba(80, 0, 0, 0.3) 100%
  );
}

.presentacion-contenido {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 60px;
  flex-wrap: wrap;
  flex-direction: row-reverse;
  padding: 3rem 4rem;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}

/* Foto de perfil */
.mi-foto {
  width: 340px;
  height: 340px;
  object-fit: cover;
  border-radius: 50%;
  border: 3px solid var(--border-accent);
  box-shadow: 0 0 0 8px var(--accent-subtle), var(--shadow-accent);
  flex-shrink: 0;
  transition: var(--transition);
  animation: float 6s ease-in-out infinite;
}

.mi-foto:hover {
  box-shadow: 0 0 0 10px rgba(139, 0, 0, 0.2), 0 20px 60px rgba(139, 0, 0, 0.5);
  transform: scale(1.03);
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-12px); }
}

/* Texto de presentación */
.presentacion-text {
  flex: 1;
  min-width: 280px;
  max-width: 580px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.hero-eyebrow {
  font-family: var(--font-accent);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--accent-bright);
  display: flex;
  align-items: center;
  gap: 10px;
}

.hero-eyebrow::before {
  content: '';
  display: inline-block;
  width: 30px;
  height: 2px;
  background: var(--accent-bright);
  border-radius: 2px;
}

.hero-name {
  font-family: var(--font-heading);
  font-size: clamp(2.8rem, 6vw, 4.5rem);
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.05;
  letter-spacing: 1px;
}

.hero-name span {
  background: linear-gradient(135deg, var(--accent-bright), #ff3333);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-role {
  font-family: var(--font-accent);
  font-size: 1.25rem;
  color: var(--text-secondary);
  font-weight: 400;
  margin: 0;
}

.saludo {
  font-size: 17px;
  margin: 0;
  line-height: 1.75;
  text-align: left;
  color: var(--text-secondary);
  padding: 0;
  background: none;
  border-radius: 0;
}

/* Botón CV */
.cv-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  color: #fff;
  text-decoration: none;
  background: linear-gradient(135deg, var(--accent), var(--accent-bright));
  border-radius: var(--radius-sm);
  font-family: var(--font-accent);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  transition: var(--transition);
  box-shadow: var(--shadow-accent);
  align-self: flex-start;
  border: none;
}

.cv-btn::before {
  content: '\f019';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
}

.cv-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 42px rgba(139, 0, 0, 0.55);
  background: linear-gradient(135deg, var(--accent-bright), #cc0000);
}

/* Habilidades cards en hero */
.habilidades-card {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: flex-start;
  margin-top: 4px;
}

.card-skill {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  padding: 12px 18px;
  display: flex;
  align-items: center;
  gap: 10px;
  transition: var(--transition);
  min-width: 140px;
}

.card-skill i {
  color: var(--accent-bright);
  font-size: 18px;
  margin: 0;
}

.card-skill h3 {
  font-size: 14px;
  font-weight: 600;
  font-family: var(--font-accent);
  color: var(--text-secondary);
  margin: 0;
  white-space: nowrap;
}

.card-skill:hover {
  background: var(--accent-subtle);
  border-color: var(--border-accent);
  color: var(--text-primary);
  transform: translateY(-2px);
}

.card-skill:hover h3 {
  color: var(--text-primary);
}

/* ====================
   SECCIÓN MAIN / PROYECTOS
==================== */
main {
  flex: 1;
  background-image: url("../img/fondo2.png");
  background-size: cover;
  background-attachment: fixed;
  background-position: center;
  position: relative;
}

main::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(13, 13, 13, 0.88);
  pointer-events: none;
}

/* Título de sección de proyectos */
.special-projects_cont {
  text-align: center;
  padding: 4rem 2rem 1rem;
  position: relative;
  z-index: 1;
}

.special-projects {
  max-width: 260px;
  filter: drop-shadow(0 4px 20px var(--accent-glow));
}

.section-title-wrapper {
  text-align: center;
  padding: 3rem 2rem 0.5rem;
  position: relative;
  z-index: 1;
}

.section-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent-subtle);
  border: 1px solid var(--border-accent);
  border-radius: 100px;
  padding: 6px 16px;
  font-size: 12px;
  font-family: var(--font-accent);
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent-bright);
  margin-bottom: 1rem;
}

/* Secciones de proyectos */
.proyectos,
.skills,
.habilidades,
.certificaciones {
  text-align: center;
  color: var(--text-primary);
  padding: 40px 40px;
  position: relative;
  z-index: 1;
  max-width: 1300px;
  margin: 0 auto;
  width: 100%;
}

.proyectos h2,
.skills h2,
.certificaciones h2 {
  position: relative;
  display: inline-block;
  padding-bottom: 14px;
  margin-bottom: 32px;
}

.proyectos h2::after,
.skills h2::after,
.certificaciones h2::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 50px;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent-bright));
  border-radius: 3px;
}

/* Cards de proyectos */
.cards {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  justify-content: center;
  margin: 20px auto;
  max-width: 1200px;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 0;
  width: 260px;
  text-align: left;
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.card-img-wrapper {
  width: 100%;
  overflow: hidden;
  border-radius: var(--radius-md) var(--radius-md) 0 0;
  aspect-ratio: 16/10;
  background: var(--bg-secondary);
}

.card-img-wrapper img,
.card > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.5s ease;
}

.card:hover > img,
.card:hover .card-img-wrapper img {
  transform: scale(1.05);
}

.card-body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex: 1;
}

.card h3 {
  font-family: var(--font-accent);
  font-size: 17px;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0;
  line-height: 1.3;
}

/* Imagen inline en card (sin wrapper) */
.card > img {
  width: 100%;
  height: 180px;
  object-fit: contain;
  background: #111;
  padding: 8px 0;
}

.card:hover {
  transform: translateY(-6px);
  border-color: var(--border-accent);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6), 0 0 0 1px var(--border-accent), var(--shadow-accent);
}

.btn-ver {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, var(--accent), var(--accent-bright));
  color: #fff;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  font-family: var(--font-accent);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.5px;
  transition: var(--transition);
  align-self: flex-start;
  margin-top: auto;
}

.btn-ver::after {
  content: '→';
  transition: transform 0.3s ease;
}

.btn-ver:hover {
  background: linear-gradient(135deg, var(--accent-bright), #cc0000);
  transform: translateX(3px);
  box-shadow: var(--shadow-accent);
}

.btn-ver:hover::after {
  transform: translateX(4px);
}

/* Botón Ver más */
.all-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  width: fit-content;
  margin: 16px auto 40px;
  background: transparent;
  border: 2px solid var(--accent);
  color: var(--text-primary);
  padding: 13px 32px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  font-family: var(--font-accent);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 1px;
  text-transform: uppercase;
  transition: var(--transition);
  position: relative;
  z-index: 1;
  overflow: hidden;
}

.all-btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--accent), var(--accent-bright));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
  z-index: -1;
}

.all-btn:hover {
  color: #fff;
  border-color: var(--accent-bright);
  box-shadow: var(--shadow-accent);
}

.all-btn:hover::before {
  transform: scaleX(1);
}

/* ====================
   CARRUSEL DE DISEÑO
==================== */
.carrusel {
  display: flex;
  overflow-x: auto;
  gap: 16px;
  padding: 10px 4px 20px;
  scroll-snap-type: x mandatory;
  scrollbar-width: thin;
  scrollbar-color: var(--accent) var(--bg-secondary);
}

.carrusel::-webkit-scrollbar {
  height: 5px;
}

.carrusel::-webkit-scrollbar-track {
  background: var(--bg-secondary);
  border-radius: 5px;
}

.carrusel::-webkit-scrollbar-thumb {
  background: var(--accent);
  border-radius: 5px;
}

.carrusel::-webkit-scrollbar-thumb:hover {
  background: var(--accent-bright);
}

.slide {
  min-width: 220px;
  flex-shrink: 0;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 12px;
  text-align: center;
  scroll-snap-align: start;
  transition: var(--transition);
  overflow: hidden;
}

.slide:hover {
  border-color: var(--border-accent);
  transform: translateY(-4px);
  box-shadow: var(--shadow-accent);
}

.slide img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  margin-bottom: 10px;
  cursor: pointer;
  transition: transform 0.4s ease;
}

.slide:hover img {
  transform: scale(1.04);
}

.slide p {
  font-size: 13px;
  font-family: var(--font-accent);
  color: var(--text-secondary);
  margin: 0;
  font-weight: 500;
}

.carrusel-img {
  cursor: pointer;
}

/* ====================
   MODAL DE IMAGEN
==================== */
.modal {
  display: none;
  position: fixed;
  z-index: 10000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.92);
  backdrop-filter: blur(8px);
  justify-content: center;
  align-items: center;
  cursor: pointer;
}

.modal img {
  max-width: 90%;
  max-height: 88%;
  border-radius: var(--radius-md);
  cursor: default;
  box-shadow: var(--shadow-lg);
}

.cerrar {
  position: absolute;
  top: 20px;
  right: 30px;
  font-size: 36px;
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition);
  line-height: 1;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(255,255,255,0.06);
}

.cerrar:hover {
  color: var(--text-primary);
  background: var(--accent-subtle);
  transform: rotate(90deg);
}

.modal .prev,
.modal .next {
  cursor: pointer;
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  padding: 14px 18px;
  color: var(--text-secondary);
  font-size: 1.8rem;
  font-weight: bold;
  user-select: none;
  transition: var(--transition);
  z-index: 1001;
  background: rgba(255,255,255,0.05);
  border-radius: var(--radius-sm);
}

.modal .prev { left: 20px; }
.modal .next { right: 20px; }

.modal .prev:hover,
.modal .next:hover {
  color: var(--text-primary);
  background: var(--accent-subtle);
  transform: translateY(-50%) scale(1.1);
}

@keyframes zoomIn {
  from { transform: scale(0.8); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

@keyframes zoomOut {
  from { transform: scale(1); opacity: 1; }
  to { transform: scale(0.8); opacity: 0; }
}

.zoomIn { animation: zoomIn 0.3s ease forwards; }
.zoomOut { animation: zoomOut 0.3s ease forwards; }

.modal img.zoomIn { animation: zoomIn 0.35s cubic-bezier(0.34, 1.56, 0.64, 1) forwards; }
.modal img.zoomOut { animation: zoomOut 0.3s ease forwards; }

/* ====================
   SECCIÓN CONOCIMIENTOS
==================== */
.skills {
  padding: 60px 40px;
}

.logos {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: center;
  align-items: center;
  margin-top: 16px;
}

.logo-skill-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.logo-skill-label {
  font-size: 11px;
  font-family: var(--font-accent);
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text-muted);
  transition: color 0.3s ease;
}

.logo-skill {
  max-width: 64px;
  padding: 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: var(--transition);
}

.logo-skill:hover {
  transform: translateY(-6px) scale(1.08);
  border-color: var(--border-accent);
  box-shadow: var(--shadow-accent), 0 0 0 1px var(--border-accent);
  padding: 16px;
}

.logo-skill-wrapper:hover .logo-skill-label {
  color: var(--text-secondary);
}

/* ====================
   SECCIÓN CERTIFICACIONES
==================== */
.certificaciones {
  padding: 60px 40px;
}

.cert-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: center;
  margin-top: 16px;
}

.cert-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 24px 28px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
  min-width: 240px;
  max-width: 320px;
  transition: var(--transition);
  text-align: left;
}

.cert-card:hover {
  border-color: var(--border-accent);
  transform: translateY(-4px);
  box-shadow: var(--shadow-accent);
}

.cert-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: var(--accent-subtle);
  border: 1px solid var(--border-accent);
  display: flex;
  align-items: center;
  justify-content: center;
}

.cert-icon i {
  color: var(--accent-bright);
  font-size: 18px;
  margin: 0;
}

.cert-card h4 {
  font-family: var(--font-accent);
  font-size: 15px;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.3;
}

.cert-card p {
  font-size: 13px;
  color: var(--text-muted);
  margin: 0;
}

/* ====================
   FOOTER
==================== */
footer {
  text-align: center;
  background: linear-gradient(180deg, var(--bg-secondary) 0%, #0a0000 100%);
  padding: 64px 40px 48px;
  border-top: 1px solid var(--border);
  margin-top: auto;
}

.footer-logo {
  max-height: 48px;
  margin-bottom: 12px;
  opacity: 0.9;
}

.footer-h1 {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 6px;
  letter-spacing: 0.5px;
}

.footer-sub {
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--text-muted);
  margin-bottom: 36px;
  text-align: center;
}

.redes-container {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 40px;
}

.redes-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text-secondary);
  text-decoration: none;
  padding: 12px 22px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-card);
  font-family: var(--font-accent);
  font-size: 15px;
  font-weight: 600;
  transition: var(--transition);
}

.redes-btn i {
  font-size: 18px;
  margin: 0;
  color: var(--text-secondary);
  transition: color 0.3s ease;
}

.redes-btn:hover {
  color: var(--text-primary);
  border-color: var(--border-accent);
  background: var(--accent-subtle);
  transform: translateY(-3px);
  box-shadow: var(--shadow-accent);
}

.redes-btn:hover i {
  color: var(--accent-bright);
}

.footer-copy {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  text-align: center;
}

/* ====================
   BOTÓN SCROLL TOP
==================== */
#scrollTopBtn {
  display: none;
  position: fixed;
  bottom: 32px;
  right: 32px;
  z-index: 1000;
  font-size: 1.1rem;
  background: var(--accent);
  color: white;
  border: 1px solid var(--border-accent);
  border-radius: 50%;
  width: 48px;
  height: 48px;
  cursor: pointer;
  box-shadow: var(--shadow-accent);
  transition: var(--transition);
  display: none;
  align-items: center;
  justify-content: center;
}

#scrollTopBtn i {
  margin: 0;
  color: #fff;
}

#scrollTopBtn:hover {
  background: var(--accent-bright);
  transform: translateY(-4px) scale(1.1);
  box-shadow: 0 12px 36px rgba(139, 0, 0, 0.6);
}

/* ====================
   SEPARADORES DE SECCIÓN
==================== */
.section-divider {
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-accent), transparent);
  margin: 0 auto;
  max-width: 600px;
}

/* ====================
   ELEMENTOS GLOBALES i (iconos)
==================== */
i {
  color: #fff;
  margin: 5px;
}

i.fa-solid.fa-bars::before {
  color: var(--text-primary);
}

/* ====================
   AJUSTES PARA PROYECTOS PAGE
==================== */
.all-projects {
  text-align: center;
  color: var(--text-primary);
}

.proyecto-destacado {
  text-align: center;
  color: var(--text-primary);
  background: var(--accent-subtle);
  border: 1px solid var(--border-accent);
  padding: 20px;
  border-radius: var(--radius-md);
}