/* ==========================================
   VARIABLES Y TEMAS
   ========================================== */
:root {
  --font-main: 'Plus Jakarta Sans', sans-serif;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);

  /* Modo Oscuro (Por defecto) */
  --bg-primary: #3B1E54;
  --bg-secondary: #4f2b65;
  --bg-card: #5E336D;
  --bg-card-hover: #6D3F7C;
  --text-main: #EDEBF4;
  --text-muted: #C89FD0;
  --border-color: rgba(237, 235, 244, 0.12);
  
  --accent: #5C92D1;
  --accent-hover: #90C2EC;
  --accent-light: rgba(92, 146, 209, 0.18);
  --accent-gradient: linear-gradient(135deg, #5C92D1 0%, #8A50A1 48%, #F494CA 100%);
  
  --shadow-sm: 0 4px 6px -1px rgba(28, 12, 36, 0.4);
  --shadow-lg: 0 20px 25px -5px rgba(28, 12, 36, 0.45);
}

[data-theme="light"] {
  --bg-primary: #E9D5EE;
  --bg-secondary: #F5EDF9;
  --bg-card: #FFFFFF;
  --bg-card-hover: #F1E6F6;
  --text-main: #3B1E54;
  --text-muted: #8A50A1;
  --border-color: rgba(59, 30, 84, 0.12);

  --accent: #5C92D1;
  --accent-hover: #4077B8;
  --accent-light: rgba(92, 146, 209, 0.12);
  --accent-gradient: linear-gradient(135deg, #5C92D1 0%, #8A50A1 52%, #F494CA 100%);

  --shadow-sm: 0 4px 6px -1px rgba(59, 30, 84, 0.08);
  --shadow-lg: 0 20px 25px -5px rgba(59, 30, 84, 0.12);
}

/* ==========================================
   RESET Y ESTILOS BASE
   ========================================== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-main);
  background-color: var(--bg-primary);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
  transition: background-color 0.3s ease, color 0.3s ease;
}

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
}

ul {
  list-style: none;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

.container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

.section {
  padding: 6rem 0;
}

.section-title {
  text-align: center;
  margin-bottom: 3.5rem;
}

.section-title h2 {
  font-size: 2.25rem;
  font-weight: 800;
  letter-spacing: -0.025em;
  position: relative;
  display: inline-block;
}

.section-title h2::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 4px;
  background: var(--accent-gradient);
  border-radius: 2px;
}

.section-title p {
  color: var(--text-muted);
  margin-top: 1rem;
  font-size: 1.05rem;
}

.gradient-text {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.75rem;
  font-weight: 600;
  border-radius: 50px;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  font-size: 0.95rem;
}

.btn-primary {
  background: var(--accent-gradient);
  color: #ffffff;
  box-shadow: 0 4px 15px rgba(99, 102, 241, 0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(99, 102, 241, 0.5);
}

.btn-outline {
  background: transparent;
  color: var(--text-main);
  border: 2px solid var(--border-color);
}

.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-light);
  transform: translateY(-2px);
}

/* ==========================================
   HEADER / NAVBAR
   ========================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(10, 15, 29, 0.75);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  transition: var(--transition);
}

[data-theme="light"] .header {
  background: rgba(248, 250, 252, 0.85);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 75px;
}

.logo {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo-icon {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: var(--accent-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  font-weight: 800;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-link {
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--text-muted);
  position: relative;
}

.nav-link:hover,
.nav-link.active {
  color: var(--text-main);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.lang-switch {
  display: inline-flex;
  align-items: center;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 999px;
  padding: 3px;
  gap: 2px;
}

.lang-btn {
  border: none;
  background: transparent;
  color: var(--text-muted);
  font-weight: 700;
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  padding: 6px 10px;
  border-radius: 999px;
  cursor: pointer;
  transition: var(--transition);
  line-height: 1;
}

.lang-btn:hover {
  color: var(--text-main);
}

.lang-btn.active {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 2px 8px rgba(92, 146, 209, 0.4);
}

.theme-toggle {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  width: 42px;
  height: 42px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
}

.theme-toggle:hover {
  background: var(--bg-card-hover);
  color: var(--accent);
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
}

.hamburger span {
  width: 25px;
  height: 3px;
  background-color: var(--text-main);
  border-radius: 2px;
  transition: var(--transition);
}

/* ==========================================
   HERO SECTION
   ========================================== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 100px;
  position: relative;
  overflow: hidden;
}

.hero-bg-glow {
  position: absolute;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.25) 0%, rgba(0, 0, 0, 0) 70%);
  top: 10%;
  right: 5%;
  pointer-events: none;
  border-radius: 50%;
  filter: blur(50px);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 4rem;
  align-items: center;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1rem;
  border-radius: 30px;
  background: var(--accent-light);
  color: var(--accent);
  font-size: 0.85rem;
  font-weight: 600;
  border: 1px solid rgba(99, 102, 241, 0.3);
  margin-bottom: 1.5rem;
}

.badge-dot {
  width: 8px;
  height: 8px;
  background-color: #22c55e;
  border-radius: 50%;
  box-shadow: 0 0 10px #22c55e;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 1.25rem;
}

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--text-muted);
  margin-bottom: 2.5rem;
  max-width: 540px;
}

.hero-btns {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}

.social-links {
  display: flex;
  gap: 1rem;
}

.social-link {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 1.1rem;
  transition: var(--transition);
}

.social-link:hover {
  color: #ffffff;
  background: var(--accent);
  border-color: var(--accent);
  transform: translateY(-3px);
}

.hero-img-container {
  position: relative;
  display: flex;
  justify-content: center;
}

.hero-img-wrapper {
  width: 320px;
  height: 380px;
  border-radius: 24px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: 12px;
  position: relative;
  box-shadow: var(--shadow-lg);
  transform: rotate(2deg);
  transition: var(--transition);
}

.hero-img-wrapper:hover {
  transform: rotate(0deg) scale(1.02);
}

.hero-img {
  width: 100%;
  height: 100%;
  border-radius: 16px;
  object-fit: cover;
  background: linear-gradient(135deg, #1e1b4b 0%, #311042 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 16px;
}

.floating-card {
  position: absolute;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: 0.8rem 1.2rem;
  border-radius: 16px;
  display: flex;
  align-items: center;
  gap: 0.8rem;
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(10px);
  animation: float 4s ease-in-out infinite;
}

.floating-card-1 {
  top: 10%;
  left: -20px;
}

.floating-card-2 {
  bottom: 10%;
  right: -20px;
  animation-delay: 2s;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

/* ==========================================
   SOBRE MÍ
   ========================================== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about-text p {
  color: var(--text-muted);
  margin-bottom: 1.25rem;
  font-size: 1.05rem;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 2rem;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: 1.5rem;
  border-radius: 16px;
  text-align: center;
  transition: var(--transition);
}

.stat-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--accent);
  transform: translateY(-4px);
}

.stat-number {
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--accent);
  display: block;
  margin-bottom: 0.25rem;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* ==========================================
   HABILIDADES
   ========================================== */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.skill-category {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: 2rem;
  border-radius: 20px;
  transition: var(--transition);
}

.skill-category:hover {
  border-color: rgba(99, 102, 241, 0.4);
  transform: translateY(-5px);
}

.category-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.category-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--accent-light);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.skill-tag {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  padding: 0.5rem 1rem;
  border-radius: 10px;
  font-size: 0.9rem;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: var(--transition);
}

.skill-tag:hover {
  background: var(--accent-light);
  border-color: var(--accent);
  color: var(--accent);
}

/* ==========================================
   PROYECTOS
   ========================================== */
.project-filters {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 0.6rem 1.4rem;
  border-radius: 30px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: var(--transition);
}

.filter-btn:hover,
.filter-btn.active {
  background: var(--accent);
  color: #ffffff;
  border-color: var(--accent);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.project-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(99, 102, 241, 0.4);
}

.project-img-wrapper {
  height: 200px;
  width: 100%;
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
  display: flex;
  align-items: center;
  justify-content: center;
}

.project-preview-graphic {
  font-size: 3.5rem;
  color: var(--accent);
  opacity: 0.8;
  transition: var(--transition);
}

.project-card:hover .project-preview-graphic {
  transform: scale(1.1);
}

.project-preview-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

.project-card:hover .project-preview-image {
  transform: scale(1.05);
}

.project-content {
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.project-title {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.project-desc {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.project-tech {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 1.5rem;
}

.tech-pill {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.25rem 0.6rem;
  border-radius: 6px;
  background: var(--bg-secondary);
  color: var(--accent);
  border: 1px solid var(--border-color);
}

.project-links {
  display: flex;
  gap: 1rem;
}

.project-link {
  font-size: 0.9rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--text-main);
}

.project-link:hover {
  color: var(--accent);
}

.project-modal {
  position: fixed;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  z-index: 2000;
}

.project-modal.active {
  display: flex;
}

.project-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(2, 6, 23, 0.72);
  backdrop-filter: blur(10px);
}

.project-modal-content {
  position: relative;
  width: min(1200px, 100%);
  height: min(85vh, 900px);
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 24px;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.project-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border-color);
}

.project-modal-kicker {
  margin: 0 0 0.25rem;
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.project-modal-header h3 {
  margin: 0;
  font-size: 1.1rem;
}

.project-modal-close {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  border: 1px solid var(--border-color);
  background: var(--bg-secondary);
  color: var(--text-main);
  cursor: pointer;
  transition: var(--transition);
}

.project-modal-close:hover {
  color: #fff;
  border-color: var(--accent);
  background: var(--accent);
}

.project-modal-frame {
  width: 100%;
  flex: 1;
  border: 0;
  background: #0b0f1a;
}

body.modal-open {
  overflow: hidden;
}

/* ==========================================
   EXPERIENCIA / TRAYECTORIA
   ========================================== */
.timeline {
  max-width: 800px;
  margin: 0 auto;
  position: relative;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 30px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--border-color);
}

.timeline-item {
  position: relative;
  padding-left: 80px;
  margin-bottom: 2.5rem;
}

.timeline-icon {
  position: absolute;
  left: 12px;
  top: 0;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 2px solid var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 0.9rem;
  z-index: 2;
}

.timeline-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: 1.5rem;
  border-radius: 16px;
}

.timeline-date {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 0.25rem;
  display: block;
}

.timeline-role {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.timeline-company {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}

/* ==========================================
   CONTACTO
   ========================================== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  max-width: 900px;
  margin: 0 auto;
  justify-items: center;
}

.contact-info-cards {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  width: 100%;
  max-width: 680px;
}

.contact-info-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: 1.5rem;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  text-align: center;
  gap: 1.25rem;
}

.contact-icon-box {
  width: 50px;
  height: 50px;
  border-radius: 12px;
  background: var(--accent-light);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
}

.contact-info-text h4 {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 0.2rem;
}

.contact-info-text p {
  font-weight: 600;
  font-size: 1.05rem;
}

.contact-form {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: 2.5rem;
  border-radius: 20px;
  width: 100%;
  max-width: 680px;
}

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

.form-label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  text-align: center;
}

.form-control {
  width: 100%;
  padding: 0.85rem 1rem;
  border-radius: 10px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  font-family: inherit;
  font-size: 0.95rem;
  transition: var(--transition);
}

.form-control:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-light);
}

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

.form-status {
  margin-top: 1rem;
  font-size: 0.9rem;
  display: none;
}

.form-status.success {
  display: block;
  color: #22c55e;
}

/* ==========================================
   FOOTER
   ========================================== */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: 3rem 0;
  text-align: center;
}

.footer-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
}

.footer-text {
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* ==========================================
   RESPONSIVE DESIGN
   ========================================== */
@media (max-width: 992px) {
  .hero-grid, .about-grid, .contact-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .hero-title {
    font-size: 2.75rem;
  }

  .hero-img-container {
    order: -1;
  }

}

@media (max-width: 768px) {
  .hamburger {
    display: flex;
  }

  .nav-menu {
    position: fixed;
    top: 75px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 75px);
    background: var(--bg-primary);
    flex-direction: column;
    justify-content: center;
    gap: 2rem;
    transition: var(--transition);
  }

  .nav-menu.active {
    left: 0;
  }

  .stats-grid {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 4rem 0;
  }

  .hero-title {
    font-size: 2.25rem;
  }

}