/* ============================================
   VARIABLES Y RESET
============================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #0a0a0a;
  --bg-alt: #111111;
  --bg-card: #141414;
  --border: rgba(255,255,255,0.08);
  --border-hover: rgba(255,255,255,0.16);
  --text-primary: #f0f0f0;
  --text-secondary: #888;
  --text-muted: #555;
  --accent: #50c878;
  --accent-dim: rgba(80,200,120,0.12);
  --accent-border: rgba(80,200,120,0.3);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --transition: 0.2s ease;
  --max-w: 1100px;
  --navbar-h: 68px;
}

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text-primary);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

a { text-decoration: none; color: inherit; }
img { display: block; max-width: 100%; }
button { cursor: pointer; font-family: inherit; }


/* ============================================
   NAVBAR
============================================ */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--navbar-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2rem;
  border-bottom: 1px solid transparent;
  transition: background var(--transition), border-color var(--transition);
}

.navbar.scrolled {
  background: rgba(10,10,10,0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom-color: var(--border);
}

.nav-logo {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav-menu a {
  font-size: 0.875rem;
  color: var(--text-secondary);
  padding: 0.4rem 0.75rem;
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
}
.nav-menu a:hover { color: var(--text-primary); background: rgba(255,255,255,0.05); }

.btn-cv {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  margin-left: 0.5rem;
  padding: 0.4rem 1rem !important;
  background: var(--accent-dim) !important;
  border: 1px solid var(--accent-border) !important;
  color: var(--accent) !important;
  border-radius: var(--radius-sm) !important;
  font-size: 0.875rem;
  font-weight: 500;
  transition: background var(--transition), border-color var(--transition) !important;
}
.btn-cv:hover {
  background: rgba(80,200,120,0.2) !important;
  border-color: rgba(80,200,120,0.5) !important;
  color: var(--accent) !important;
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.25rem;
  padding: 0.4rem;
}


/* ============================================
   BOTONES GLOBALES
============================================ */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem 1.4rem;
  background: var(--accent);
  color: #000;
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: none;
  transition: opacity var(--transition), transform var(--transition);
}
.btn-primary:hover { opacity: 0.88; transform: translateY(-1px); }

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem 1.4rem;
  background: transparent;
  color: var(--text-primary);
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-hover);
  transition: border-color var(--transition), background var(--transition);
}
.btn-outline:hover { border-color: rgba(255,255,255,0.3); background: rgba(255,255,255,0.04); }


/* ============================================
   SECCIONES
============================================ */
.section {
  padding: 6rem 2rem;
  max-width: var(--max-w);
  margin: 0 auto;
}
.section-alt {
  max-width: 100%;
  background: var(--bg-alt);
  padding: 6rem 2rem;
}
.section-alt > * {
  max-width: var(--max-w);
  margin-left: auto;
  margin-right: auto;
}

.section-header {
  text-align: center;
  margin-bottom: 3.5rem;
}
.section-header.left { text-align: left; }
.section-header h2 {
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.6rem;
}
.section-header p {
  font-size: 1rem;
  color: var(--text-secondary);
  max-width: 520px;
  margin: 0 auto;
}
.section-header.left p { margin: 0; }


/* ============================================
   HERO
============================================ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  gap: 4rem;
  padding: calc(var(--navbar-h) + 3rem) 2rem 5rem;
  max-width: var(--max-w);
  margin: 0 auto;
}

.hero-content { flex: 1; max-width: 600px; }

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  color: var(--accent);
  background: var(--accent-dim);
  border: 1px solid var(--accent-border);
  border-radius: 999px;
  padding: 0.3rem 0.9rem;
  margin-bottom: 1.5rem;
}
.badge-dot {
  width: 7px; height: 7px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.3); }
}

.hero h1 {
  font-size: clamp(2rem, 4.5vw, 3.25rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 1.25rem;
}
.highlight { color: var(--accent); }

.hero-desc {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 2rem;
  max-width: 500px;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  margin-bottom: 2rem;
  padding: 1.25rem 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
}
.stat { display: flex; flex-direction: column; }
.stat-number { font-size: 1.1rem; font-weight: 700; color: var(--text-primary); }
.stat-label { font-size: 0.75rem; color: var(--text-muted); margin-top: 0.1rem; }
.stat-divider { width: 1px; height: 32px; background: var(--border); }

.hero-cta { display: flex; gap: 0.75rem; flex-wrap: wrap; }

.hero-image {
  flex-shrink: 0;
}
.image-wrapper {
  width: 300px;
  height: 360px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--bg-card);
}
.image-wrapper img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: top center;
  transition: transform 0.4s ease;
}
.image-wrapper:hover img { transform: scale(1.03); }


/* ============================================
   PROYECTOS
============================================ */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.25rem;
}

.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  transition: border-color var(--transition), transform var(--transition);
  opacity: 0;
  transform: translateY(16px);
}
.project-card.visible { opacity: 1; transform: translateY(0); transition: opacity 0.5s ease, transform 0.5s ease, border-color var(--transition); }
.project-card:hover { border-color: var(--border-hover); transform: translateY(-2px); }
.project-card.featured { border-color: var(--accent-border); }
.project-card.featured:hover { border-color: rgba(80,200,120,0.5); }

.project-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}
.project-type {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 500;
}
.project-status {
  font-size: 0.7rem;
  font-weight: 600;
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
}
.status-live { background: var(--accent-dim); color: var(--accent); border: 1px solid var(--accent-border); }
.status-done { background: rgba(255,255,255,0.05); color: var(--text-muted); border: 1px solid var(--border); }
.status-progress { background: rgba(255, 184, 77, 0.12); color: #ffb84d; border: 1px solid rgba(255, 184, 77, 0.3); }

.project-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.3;
}
.project-card > p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.65;
  flex: 1;
}

.project-highlight {
  font-size: 0.8rem;
  color: var(--accent);
  background: var(--accent-dim);
  border-left: 2px solid var(--accent);
  padding: 0.5rem 0.75rem;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  display: flex;
  gap: 0.5rem;
  align-items: flex-start;
  line-height: 1.5;
}
.project-highlight i { margin-top: 1px; flex-shrink: 0; }

.project-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}
.project-stack span {
  font-size: 0.72rem;
  font-weight: 500;
  padding: 0.2rem 0.6rem;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--text-secondary);
}

.project-links {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  padding-top: 0.25rem;
  border-top: 1px solid var(--border);
}
.project-links a,
.project-links .link-img-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8rem;
  color: var(--text-secondary);
  padding: 0.3rem 0;
  background: none;
  border: none;
  font-family: inherit;
  transition: color var(--transition);
}
.project-links a:hover,
.project-links .link-img-btn:hover { color: var(--text-primary); }
.project-links .link-live { color: var(--accent) !important; }
.project-links .link-live:hover { opacity: 0.8; }


/* ============================================
   HABILIDADES
============================================ */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1.25rem;
}

.skill-group {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  opacity: 0;
  transform: translateY(16px);
}
.skill-group.visible { opacity: 1; transform: translateY(0); transition: opacity 0.5s ease, transform 0.5s ease; }

.skill-group h4 {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.9rem;
}
.skill-group h4 i { color: var(--accent); font-size: 0.875rem; }

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}
.skill-tags span {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.8rem;
  padding: 0.3rem 0.7rem;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--text-secondary);
  transition: border-color var(--transition), color var(--transition);
}
.skill-tags span:hover { border-color: var(--border-hover); color: var(--text-primary); }


/* ============================================
   SOBRE MÍ
============================================ */
.aboutme-layout {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 3.5rem;
  align-items: start;
}

.aboutme-text p {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 1rem;
}

.aboutme-cards {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-top: 1.5rem;
}
.about-card {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  padding: 1rem 1.25rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  opacity: 0;
  transform: translateY(12px);
}
.about-card.visible { opacity: 1; transform: translateY(0); transition: opacity 0.5s ease, transform 0.5s ease; }
.about-card > i {
  color: var(--accent);
  font-size: 1rem;
  margin-top: 2px;
  flex-shrink: 0;
}
.about-card div { display: flex; flex-direction: column; gap: 0.2rem; }
.about-card strong { font-size: 0.875rem; font-weight: 600; color: var(--text-primary); }
.about-card span { font-size: 0.8rem; color: var(--text-secondary); line-height: 1.5; }

/* CV Card */
.cv-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.cv-icon {
  width: 48px; height: 48px;
  background: var(--accent-dim);
  border: 1px solid var(--accent-border);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 1.25rem;
}
.cv-card h4 { font-size: 1rem; font-weight: 700; }
.cv-card > p { font-size: 0.85rem; color: var(--text-secondary); line-height: 1.6; }
.cv-meta {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  padding: 0.75rem 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.cv-meta span {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  color: var(--text-muted);
}
.cv-meta span i { color: var(--accent); width: 14px; }


/* ============================================
   CONTACTO
============================================ */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3.5rem;
  align-items: start;
  max-width: var(--max-w);
  margin: 0 auto;
}

.available-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  color: var(--accent);
  background: var(--accent-dim);
  border: 1px solid var(--accent-border);
  border-radius: 999px;
  padding: 0.3rem 0.9rem;
  margin-bottom: 1rem;
}

.contact-intro > p {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 1.5rem;
  max-width: 420px;
}

.contact-actions { display: flex; gap: 0.75rem; flex-wrap: wrap; }

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.9rem 1.1rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: border-color var(--transition);
  opacity: 0;
  transform: translateX(12px);
}
.contact-item.visible { opacity: 1; transform: translateX(0); transition: opacity 0.5s ease, transform 0.5s ease, border-color var(--transition); }
.contact-item:hover { border-color: var(--border-hover); }
.contact-item > i:first-child {
  width: 36px; height: 36px;
  background: rgba(255,255,255,0.05);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 0.9rem;
  flex-shrink: 0;
}
.contact-item div { display: flex; flex-direction: column; flex: 1; }
.contact-item strong { font-size: 0.8rem; font-weight: 600; color: var(--text-primary); }
.contact-item span { font-size: 0.78rem; color: var(--text-secondary); }
.copy-icon { color: var(--text-muted); font-size: 0.8rem; transition: color var(--transition); }
.copied { color: var(--accent) !important; }


/* ============================================
   FOOTER
============================================ */
.footer {
  text-align: center;
  padding: 2rem;
  border-top: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.8rem;
}


/* ============================================
   MODAL
============================================ */
.modal {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.85);
  z-index: 200;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  backdrop-filter: blur(4px);
}
.modal.active { display: flex; }
.modal img {
  max-width: 90vw;
  max-height: 85vh;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
}
.modal-close {
  position: absolute;
  top: 1.5rem; right: 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-primary);
  font-size: 1.25rem;
  width: 36px; height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background var(--transition);
}
.modal-close:hover { background: rgba(255,255,255,0.1); }
.modal-nav {
  position: absolute;
  top: 50%;
  z-index: 1;
  width: 2.6rem;
  height: 2.6rem;
  border: 1px solid var(--border);
  border-radius: 50%;
  background: var(--bg-card);
  color: var(--text-primary);
  cursor: pointer;
  transform: translateY(-50%);
  transition: background var(--transition), color var(--transition);
}
.modal-nav:hover { background: var(--accent); color: #07120b; }
.modal-prev { left: max(1.5rem, 3vw); }
.modal-next { right: max(1.5rem, 3vw); }
.modal-counter {
  position: absolute;
  bottom: 1.5rem;
  left: 50%;
  margin: 0;
  padding: 0.3rem 0.65rem;
  border-radius: 999px;
  background: rgba(0,0,0,0.65);
  color: var(--text-primary);
  font-size: 0.78rem;
  transform: translateX(-50%);
}


/* ============================================
   RESPONSIVE
============================================ */
@media (max-width: 900px) {
  .hero { flex-direction: column; gap: 2.5rem; text-align: center; padding-top: calc(var(--navbar-h) + 2rem); }
  .hero-content { max-width: 100%; }
  .hero-desc { max-width: 100%; }
  .hero-stats { justify-content: center; }
  .hero-cta { justify-content: center; }
  .image-wrapper { width: 220px; height: 270px; }
  .aboutme-layout { grid-template-columns: 1fr; }
  .contact-layout { grid-template-columns: 1fr; gap: 2rem; }
}

@media (max-width: 640px) {
  .section, .section-alt { padding: 4rem 1.25rem; }
  .nav-menu {
    display: none;
    position: fixed;
    top: var(--navbar-h); left: 0; right: 0;
    flex-direction: column;
    background: rgba(10,10,10,0.97);
    backdrop-filter: blur(12px);
    padding: 1rem;
    border-bottom: 1px solid var(--border);
    gap: 0.25rem;
  }
  .nav-menu.open { display: flex; }
  .nav-menu a { padding: 0.65rem 1rem; font-size: 0.95rem; width: 100%; }
  .btn-cv { margin-left: 0 !important; margin-top: 0.5rem; }
  .menu-toggle { display: block; }
  .hero-stats { flex-direction: column; gap: 1rem; }
  .stat-divider { width: 100%; height: 1px; }
  .projects-grid { grid-template-columns: 1fr; }
  .skills-grid { grid-template-columns: 1fr; }
}