/* --- TEMAS --- */
:root {
  --bg-dark: #1a1a1a;
  --bg-medium: #222222;
  --bg-light: #2a2a2a;
  --text-primary: #e0e0e0;
  --text-secondary: #888888;
  --accent-color: #4a86e8;
  --line-color: #333333;
  --shadow-color: rgba(0, 0, 0, 0.3);
}

[data-theme="light"] {
  --bg-dark: #f5f5f5;
  --bg-medium: #ffffff;
  --bg-light: #fafafa;
  --text-primary: #1a1a1a;
  --text-secondary: #666666;
  --accent-color: #4a86e8;
  --line-color: #e0e0e0;
  --shadow-color: rgba(0, 0, 0, 0.1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--bg-medium);
  color: var(--text-primary);
  font-family: 'Inter', sans-serif;
  overflow-x: hidden;
  transition: background-color 0.3s ease, color 0.3s ease;
}

/* TOGGLE MINIMALISTA */
.theme-toggle {
  position: fixed;
  bottom: 2.5rem;
  right: 2.5rem;
  z-index: 9998;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 2px solid var(--line-color);
  background: var(--bg-medium);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
  box-shadow: 0 2px 8px var(--shadow-color);
}

.theme-toggle:hover {
  border-color: var(--accent-color);
  transform: scale(1.1);
}

.theme-toggle i {
  font-size: 1rem;
  color: var(--text-primary);
  transition: transform 0.3s ease;
}

.theme-toggle:hover i {
  transform: rotate(20deg);
}

[data-theme="light"] .fa-moon::before {
  content: "\f185";
}

/* BARRA DE PROGRESO */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent-color), #5a96f8);
  width: 0%;
  z-index: 9999;
  transition: width 0.1s ease;
  box-shadow: 0 0 10px var(--accent-color);
}

/* SCROLL PERSONALIZADO */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-dark);
}

::-webkit-scrollbar-thumb {
  background: var(--accent-color);
  border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
  background: #5a96f8;
}

/* ANIMACIONES */
.reveal-section {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s ease-out;
}

.reveal-section.revealed {
  opacity: 1;
  transform: translateY(0);
}

.work-item {
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.6s ease-out;
}

.work-item.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* NAVEGACIÓN */
.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 5%;
  position: fixed;
  width: 100%;
  top: 0;
  z-index: 1000;
  background: var(--bg-dark);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line-color);
  transition: all 0.3s ease;
}

.navbar.scrolled {
  padding: 1rem 5%;
  box-shadow: 0 5px 20px var(--shadow-color);
}

.logo { 
  font-weight: 700; 
  font-size: 1.1rem;
  transition: transform 0.3s ease;
  cursor: pointer;
  text-decoration: none;
  color: var(--text-primary);
}

.logo:hover {
  transform: scale(1.05);
}

.dot { 
  color: var(--accent-color); 
}

.nav-links { 
  display: flex; 
  list-style: none; 
  gap: 2rem; 
}

.nav-links a {
  text-decoration: none;
  color: var(--text-primary);
  font-size: 0.8rem;
  text-transform: uppercase;
  font-weight: 700;
  transition: all 0.3s;
  position: relative;
  padding: 5px 0;
}

.nav-links a::after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  bottom: 0;
  left: 0;
  background-color: var(--accent-color);
  transition: width 0.3s ease;
}

.nav-links a:hover::after {
  width: 100%;
}

/* HERO */
.hero {
  height: 70vh;
  min-height: 400px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 0 5%;
  position: relative;
  background-color: var(--bg-dark);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: url('https://i.postimg.cc/rc69JFbB/Mechas-Trio-bw.png');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  opacity: 0.15;
  z-index: 0;
}

[data-theme="light"] .hero-bg {
  opacity: 0.08;
}

.hero-content {
  position: relative;
  z-index: 1;
  animation: fadeInUp 1s ease-out;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.subtitle {
  font-size: 0.75rem;
  text-transform: uppercase;
  color: var(--accent-color);
  letter-spacing: 0.15em;
  margin-bottom: 1rem;
  font-weight: 600;
  animation: fadeInUp 1s ease-out 0.2s both;
  transition: all 0.4s ease;
  cursor: default;
}

.subtitle:hover {
  letter-spacing: 0.25em;
  transform: translateY(-3px) scale(1.05);
  text-shadow: 0 0 25px rgba(74, 134, 232, 0.6);
}

.main-title {
  font-size: clamp(1.8rem, 4vw, 3.5rem);
  letter-spacing: -2px;
  margin-bottom: 1rem;
  animation: fadeInUp 1s ease-out 0.4s both;
  transition: all 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
  cursor: default;
}

.main-title:hover {
  color: var(--accent-color);
  transform: translateY(-5px) scale(1.08);
  text-shadow: 0 8px 30px rgba(74, 134, 232, 0.5);
}

.location {
  font-size: 0.9rem;
  color: var(--text-secondary);
  letter-spacing: 0.05em;
  margin-top: 1rem;
  animation: fadeInUp 1s ease-out 0.6s both;
  transition: all 0.4s ease;
  cursor: default;
}

.location:hover {
  color: var(--text-primary);
  letter-spacing: 0.1em;
  transform: translateY(-3px) scale(1.03);
}

/* TÍTULOS DE SECCIÓN */
.section-title {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.3em;
  color: var(--text-secondary);
  text-align: center;
  margin-bottom: 3rem;
  font-weight: 700;
  position: relative;
  padding-bottom: 1rem;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 2px;
  background: var(--accent-color);
}

/* PORTFOLIO */
.portfolio-section {
  padding: 5rem 5% 4rem 5%;
  background-color: var(--bg-medium);
}

.work-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  max-width: 1800px;
  margin: 0 auto;
}

.work-item {
  aspect-ratio: 1/1;
  overflow: hidden;
  border-radius: 4px;
  cursor: pointer;
  position: relative;
  transition: all 0.4s ease;
}

.work-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px var(--shadow-color);
}

.work-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: 0.5s ease;
}

.work-item:hover img {
  transform: scale(1.05);
  filter: brightness(1.1);
}

/* LIGHTBOX */
.lightbox {
  display: none;
  position: fixed;
  z-index: 2000;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.95);
  animation: fadeIn 0.3s ease;
  overflow-y: auto;
  padding: 80px 20px 40px 20px;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.lightbox:target {
  display: flex;
  align-items: center; 
  justify-content: center;
}

.lightbox-content {
  position: relative;
  max-width: 90vw; 
  max-height: 85vh; 
  display: flex;
  justify-content: center;
  width: auto;
  margin: auto;
  animation: zoomIn 0.3s ease;
}

@keyframes zoomIn {
  from { transform: scale(0.9); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

.lightbox-content img {
  max-width: 100%;
  max-height: 85vh; 
  width: auto;
  height: auto;
  object-fit: contain; 
  border-radius: 4px;
  box-shadow: 0 10px 50px rgba(0,0,0,0.5);
  display: block;
}

.close-btn {
  position: fixed;
  top: 20px;
  right: 20px;
  color: white;
  font-size: 30px;
  text-decoration: none;
  transition: all 0.3s ease;
  cursor: pointer;
  z-index: 2001;
}

.close-btn:hover {
  transform: rotate(90deg);
  color: var(--accent-color);
}

.close-area {
  position: fixed;
  width: 100%;
  height: 100%;
  cursor: pointer;
  top: 0;
  left: 0;
}

/* MOTION - UPDATED */
.motion-section {
  padding: 5rem 5% 5rem 5%;
  background-color: var(--bg-dark);
}

.motion-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 3rem;
  max-width: 1000px; /* Optimized size for vertical videos */
  margin: 0 auto;
}

.motion-item {
  position: relative;
  border-radius: 32px; /* Smooth rounded shape */
  overflow: hidden;
  background: transparent;
  border: none; /* No borders */
  transition: transform 0.3s ease;
}

.motion-item:hover {
  box-shadow: none; /* No shadows */
  transform: scale(1.02); /* Subtle hover effect instead of shadow */
}

.video-wrapper {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%; 
  overflow: hidden;
  background: var(--bg-dark);
  border-radius: 32px; /* Matching corner radius */
}

.video-wrapper video,
.video-wrapper iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ABOUT ME CON FOTO */
.about-section {
  padding: 5rem 5% 4rem 5%;
  background-color: var(--bg-light);
}

.about-inner {
  max-width: 900px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 5rem;
  align-items: start;
}

.profile-image {
  width: 150px;
  height: 150px;
  border-radius: 50%;
  overflow: hidden;
  margin: 0 auto 2rem auto;
  border: 3px solid var(--accent-color);
  box-shadow: 0 4px 15px rgba(74, 134, 232, 0.3);
}

.profile-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about-heading {
  font-size: clamp(1.3rem, 2.5vw, 1.9rem);
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 1.5rem;
  transition: all 0.4s ease;
  cursor: default;
  text-align: left;
}

.about-heading:hover {
  color: var(--accent-color);
}

.about-left p {
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.8;
  margin-bottom: 1rem;
  text-align: left; 
}

.about-left p:last-of-type {
  margin-bottom: 2.5rem;
}

/* BOTONES CV */
.cv-buttons {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: center;
}

.btn-cv {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background-color: var(--accent-color);
  color: white;
  padding: 14px 28px;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.85rem;
  transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
  box-shadow: 0 4px 15px rgba(74, 134, 232, 0.3);
  position: relative;
  overflow: hidden;
}

.btn-cv-secondary {
  background-color: transparent;
  border: 2px solid var(--accent-color);
  color: var(--accent-color);
  box-shadow: none;
}

.btn-cv::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.btn-cv:hover::before {
  width: 300px;
  height: 300px;
}

.btn-cv:hover {
  transform: translateY(-4px) scale(1.03);
  box-shadow: 0 8px 30px rgba(74, 134, 232, 0.5);
}

.btn-cv-secondary:hover {
  background-color: var(--accent-color);
  color: white;
  box-shadow: 0 8px 30px rgba(74, 134, 232, 0.5);
}

/* TIMELINE */
.subsection-title {
  font-size: 0.7rem;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  letter-spacing: 0.15em;
  font-weight: 700;
}

.education-timeline {
  position: relative;
}

.timeline-line {
  position: absolute;
  left: 7px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--accent-color);
}

.edu-item {
  position: relative;
  padding-bottom: 2rem;
  padding-left: 35px;
}

.edu-item:last-child {
  padding-bottom: 0;
}

.edu-dot {
  position: absolute;
  left: 0px; 
  top: 6px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--accent-color);
  border: 3px solid var(--bg-light);
  box-shadow: 0 0 0 3px rgba(74, 134, 232, 0.2);
  transition: all 0.3s ease;
}

.edu-item:hover .edu-dot {
  transform: scale(1.3);
  box-shadow: 0 0 0 5px rgba(74, 134, 232, 0.4), 0 0 20px rgba(74, 134, 232, 0.6);
}

.edu-content h3 { 
  font-size: 1rem; 
  margin-bottom: 0.4rem;
  line-height: 1.4;
  transition: color 0.3s ease;
}

.edu-item:hover .edu-content h3 {
  color: var(--accent-color);
}

.edu-content p { 
  font-size: 0.85rem; 
  color: var(--text-secondary);
  transition: color 0.3s ease;
}

.edu-item:hover .edu-content p {
  color: var(--text-primary);
}

/* CONTACT */
footer {
  padding: 5rem 5% 3rem 5%;
  background-color: var(--bg-dark);
}

.contact-container {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.email-text {
  font-size: clamp(1.2rem, 3vw, 1.8rem);
  color: var(--text-primary);
  font-weight: 700;
  margin: 2rem 0;
  cursor: text;
  transition: all 0.3s;
  display: inline-block;
  user-select: all;
}

.email-text:hover {
  color: var(--accent-color);
  letter-spacing: 0.02em;
  transform: translateY(-2px);
}

.social-links {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin: 2rem 0 3rem 0;
  flex-wrap: wrap;
}

.social-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 1.5rem;
  transition: all 0.4s;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  position: relative;
}

.social-links a::before {
  content: '';
  position: absolute;
  width: 50px;
  height: 50px;
  background: var(--accent-color);
  border-radius: 50%;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0);
  opacity: 0.2;
  transition: transform 0.4s ease;
  z-index: -1;
}

.social-links a:hover::before {
  transform: translate(-50%, -50%) scale(1);
}

.social-links a:hover {
  color: var(--accent-color);
  transform: translateY(-5px);
}

.social-links .social-text {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.footer-bottom {
  font-size: 0.7rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding-top: 2rem;
  border-top: 1px solid var(--line-color);
  margin-top: 2rem;
}

.footer-bottom span {
  display: inline-block;
  transition: all 0.3s ease;
  cursor: default;
}

.footer-bottom span:hover {
  color: var(--accent-color);
  letter-spacing: 0.15em;
  transform: translateY(-2px);
}

/* RESPONSIVE */
@media (max-width: 1024px) {
  .motion-grid {
    grid-template-columns: 1fr;
    max-width: 500px;
  }
}

@media (max-width: 768px) {
  .theme-toggle {
    bottom: 2.5rem;
    right: 1.5rem;
    width: 36px;
    height: 36px;
  }
  
  .navbar {
    padding: 1.2rem 5%;
  }
  
  .navbar.scrolled {
    padding: 0.9rem 5%;
  }
  
  .nav-links {
    gap: 1.2rem;
  }
  
  .nav-links a {
    font-size: 0.7rem;
  }
  
  .hero {
    height: 60vh;
  }
  
  .about-inner {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .work-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
  }

  .social-links {
    gap: 1.5rem;
  }

  .social-links a {
    font-size: 1.2rem;
  }

  .social-links .social-text {
    display: none;
  }
  
  .cv-buttons {
    flex-direction: column;
  }
  
  .btn-cv {
    width: 100%;
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .work-grid {
    grid-template-columns: 1fr;
  }
  
  .social-links {
    gap: 1rem;
  }
  
  .nav-links {
    gap: 0.8rem;
  }
  
  .nav-links a {
    font-size: 0.65rem;
  }
}

/* Hash neutro para cerrar lightbox */
#_ {
  display: none;
}