/* ============================================================
   Emilio Maidana — Portfolio
   Tema oscuro con acento dinámico por perfil (dev / data)
   ============================================================ */

:root {
  --bg: #0a0e1a;
  --bg-soft: #0f1424;
  --card: rgba(255, 255, 255, 0.04);
  --card-hover: rgba(255, 255, 255, 0.07);
  --border: rgba(255, 255, 255, 0.09);
  --text: #e8ecf4;
  --text-dim: #9aa3b5;
  --font-body: 'Inter', system-ui, sans-serif;
  --font-head: 'Sora', system-ui, sans-serif;
  --radius: 16px;
  --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Acento por perfil */
body[data-profile="dev"] {
  --accent: #7c5cff;
  --accent-2: #a78bfa;
  --accent-soft: rgba(124, 92, 255, 0.14);
  --accent-glow: rgba(124, 92, 255, 0.35);
}
body[data-profile="data"] {
  --accent: #22d3ee;
  --accent-2: #2dd4bf;
  --accent-soft: rgba(34, 211, 238, 0.12);
  --accent-glow: rgba(34, 211, 238, 0.3);
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  transition: --accent var(--transition);
}

/* Fondo con degradado sutil */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 45% at 75% -5%, var(--accent-soft), transparent 65%),
    radial-gradient(ellipse 50% 40% at 10% 105%, var(--accent-soft), transparent 65%);
  pointer-events: none;
  z-index: -1;
  transition: background var(--transition);
}

.container {
  width: min(1120px, 92%);
  margin-inline: auto;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

::selection { background: var(--accent); color: #fff; }

/* ============ NAV ============ */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  background: rgba(10, 14, 26, 0.78);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  gap: 1rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-family: var(--font-head);
  font-weight: 700;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 11px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff;
  font-size: 0.9rem;
  letter-spacing: 0.5px;
  box-shadow: 0 4px 18px var(--accent-glow);
  transition: background var(--transition), box-shadow var(--transition);
}

.brand-name { font-size: 1.02rem; }

.nav-links {
  display: flex;
  gap: 1.6rem;
  font-size: 0.92rem;
  color: var(--text-dim);
}

.nav-links a {
  position: relative;
  padding: 4px 0;
  transition: color 0.2s;
}

.nav-links a:hover { color: var(--text); }

.nav-links a::after {
  content: '';
  position: absolute;
  left: 0; bottom: -2px;
  width: 0;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  transition: width 0.25s ease;
}

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

.nav-actions { display: flex; align-items: center; gap: 0.7rem; }

.lang-toggle {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.8rem;
  letter-spacing: 0.8px;
  color: var(--text);
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 8px 14px;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
}

.lang-toggle:hover { border-color: var(--accent); background: var(--accent-soft); }

.menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}

.menu-btn span {
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.25s, opacity 0.25s;
}

.menu-btn.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-btn.open span:nth-child(2) { opacity: 0; }
.menu-btn.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-menu {
  display: none;
  flex-direction: column;
  padding: 0.6rem 5%;
  border-top: 1px solid var(--border);
}

.mobile-menu.open { display: flex; }

.mobile-menu a {
  padding: 0.8rem 0.4rem;
  color: var(--text-dim);
  border-bottom: 1px solid var(--border);
  font-size: 0.95rem;
}

.mobile-menu a:last-child { border-bottom: none; }

/* ============ HERO ============ */
.hero {
  display: grid;
  grid-template-columns: 1.25fr 1fr;
  align-items: center;
  gap: 3rem;
  padding: 5.5rem 0 5rem;
  min-height: calc(100vh - 68px);
}

.badge-available {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  font-weight: 500;
  color: #4ade80;
  background: rgba(74, 222, 128, 0.09);
  border: 1px solid rgba(74, 222, 128, 0.25);
  border-radius: 100px;
  padding: 6px 14px;
  margin-bottom: 1.4rem;
}

.badge-available .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #4ade80;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(74, 222, 128, 0.5); }
  50% { box-shadow: 0 0 0 6px rgba(74, 222, 128, 0); }
}

.hero-greeting {
  font-size: 1.05rem;
  color: var(--text-dim);
  margin-bottom: 0.2rem;
}

.hero-name {
  font-family: var(--font-head);
  font-size: clamp(2.4rem, 5.5vw, 3.6rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -1px;
}

.hero-role {
  font-family: var(--font-head);
  font-size: clamp(1.35rem, 3vw, 1.9rem);
  font-weight: 700;
  margin-top: 0.35rem;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  transition: background var(--transition);
}

.hero-tagline {
  color: var(--text-dim);
  font-size: 1rem;
  margin-top: 0.5rem;
  letter-spacing: 0.3px;
}

.profile-switch {
  display: inline-flex;
  gap: 4px;
  margin-top: 1.5rem;
  padding: 4px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
}

.profile-tab {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-family: var(--font-body);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-dim);
  background: transparent;
  border: none;
  border-radius: 9px;
  padding: 9px 18px;
  cursor: pointer;
  transition: all 0.25s ease;
}

.profile-tab.active {
  color: #fff;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 4px 16px var(--accent-glow);
}

.hero-summary {
  margin-top: 1.5rem;
  color: var(--text-dim);
  font-size: 1rem;
  max-width: 56ch;
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-top: 2rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 13px 26px;
  border-radius: 12px;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s, background 0.25s, border-color 0.25s;
}

.btn:active { transform: scale(0.97); }

.btn-primary {
  color: #fff;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 6px 22px var(--accent-glow);
}

.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 10px 28px var(--accent-glow); }

.btn-outline {
  color: var(--text);
  background: var(--card);
  border: 1px solid var(--border);
}

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

.btn-lg { padding: 15px 34px; font-size: 1rem; margin-top: 1.8rem; }

.hero-social {
  display: flex;
  gap: 0.6rem;
  margin-top: 2rem;
}

.hero-social a {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  color: var(--text-dim);
  background: var(--card);
  border: 1px solid var(--border);
  transition: all 0.2s;
}

.hero-social a:hover {
  color: var(--accent);
  border-color: var(--accent);
  background: var(--accent-soft);
  transform: translateY(-3px);
}

/* Foto */
.hero-photo {
  position: relative;
  display: grid;
  place-items: center;
}

.photo-ring {
  position: relative;
  width: min(340px, 80vw);
  aspect-ratio: 1;
  border-radius: 28px;
  padding: 5px;
  background: linear-gradient(140deg, var(--accent), transparent 40%, transparent 60%, var(--accent-2));
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.45), 0 0 80px var(--accent-soft);
  transition: background var(--transition), box-shadow var(--transition);
}

.photo-ring img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 20%;
  border-radius: 24px;
}

.photo-chip {
  position: absolute;
  font-size: 0.8rem;
  font-weight: 600;
  padding: 10px 16px;
  border-radius: 12px;
  background: rgba(15, 20, 36, 0.92);
  border: 1px solid var(--border);
  backdrop-filter: blur(8px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
  white-space: nowrap;
  animation: float 5s ease-in-out infinite;
}

.photo-chip-1 { top: 6%; right: -2%; color: var(--accent-2); }
.photo-chip-2 { bottom: 8%; left: -4%; animation-delay: 2.5s; color: var(--accent); }

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

/* ============ SECCIONES ============ */
.section { padding: 4.5rem 0; }

.section-title {
  display: flex;
  align-items: baseline;
  gap: 0.9rem;
  font-family: var(--font-head);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  margin-bottom: 2.4rem;
}

.section-num {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--accent);
  transition: color var(--transition);
}

/* ============ ABOUT ============ */
.about-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: 2.5rem;
  align-items: start;
}

.about-text p {
  color: var(--text-dim);
  margin-bottom: 1rem;
  font-size: 1.02rem;
}

.about-text strong { color: var(--text); font-weight: 600; }

.about-facts {
  display: grid;
  gap: 0.9rem;
}

.fact-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.1rem 1.3rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color 0.2s, background 0.2s;
}

.fact-card:hover { border-color: var(--accent); background: var(--card-hover); }

.fact-value {
  font-family: var(--font-head);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent);
  transition: color var(--transition);
  min-width: 56px;
}

.fact-label { font-size: 0.88rem; color: var(--text-dim); }

/* ============ SKILLS ============ */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.2rem;
}

.skill-card {
  padding: 1.5rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: transform 0.25s, border-color 0.25s, background 0.25s;
}

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

.skill-card h3 {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-head);
  font-size: 1.02rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.skill-card h3 .icon {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 9px;
  background: var(--accent-soft);
  color: var(--accent);
  transition: background var(--transition), color var(--transition);
}

.chips { display: flex; flex-wrap: wrap; gap: 0.5rem; }

.chip {
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-dim);
  padding: 6px 13px;
  border-radius: 100px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
  transition: all 0.2s;
}

.chip:hover { color: var(--text); border-color: var(--accent); background: var(--accent-soft); }

/* ============ PROJECTS ============ */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(440px, 1fr));
  gap: 1.4rem;
}

.project-card {
  display: flex;
  flex-direction: column;
  padding: 1.8rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: transform 0.25s, border-color 0.25s, box-shadow 0.25s;
  position: relative;
  overflow: hidden;
}

.project-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  opacity: 0;
  transition: opacity 0.25s;
}

.project-card:hover {
  transform: translateY(-5px);
  border-color: var(--accent);
  box-shadow: 0 16px 44px rgba(0, 0, 0, 0.35);
}

.project-card:hover::before { opacity: 1; }

.project-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 0.4rem;
}

.project-title {
  font-family: var(--font-head);
  font-size: 1.25rem;
  font-weight: 700;
}

.project-status {
  flex-shrink: 0;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.4px;
  text-transform: uppercase;
  padding: 5px 12px;
  border-radius: 100px;
}

.status-live { color: #4ade80; background: rgba(74, 222, 128, 0.1); border: 1px solid rgba(74, 222, 128, 0.3); }
.status-wip { color: #fbbf24; background: rgba(251, 191, 36, 0.1); border: 1px solid rgba(251, 191, 36, 0.3); }

.project-subtitle { font-size: 0.92rem; color: var(--text-dim); margin-bottom: 1rem; }

.project-bullets { list-style: none; margin-bottom: 1.3rem; flex-grow: 1; }

.project-bullets li {
  position: relative;
  padding-left: 1.4rem;
  margin-bottom: 0.55rem;
  font-size: 0.93rem;
  color: var(--text-dim);
}

.project-bullets li::before {
  content: '▹';
  position: absolute;
  left: 0;
  color: var(--accent);
  transition: color var(--transition);
}

.project-tags { display: flex; flex-wrap: wrap; gap: 0.45rem; margin-bottom: 1.2rem; }

.tag {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent-2);
  padding: 4px 11px;
  border-radius: 6px;
  background: var(--accent-soft);
  transition: background var(--transition), color var(--transition);
}

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

.project-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--accent);
  transition: color 0.2s, transform 0.2s;
}

.project-link:hover { color: var(--accent-2); transform: translateX(3px); }

/* ============ EXPERIENCE / TIMELINE ============ */
.timeline {
  position: relative;
  padding-left: 2rem;
  max-width: 760px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 7px;
  top: 6px;
  bottom: 6px;
  width: 2px;
  background: linear-gradient(180deg, var(--accent), var(--border));
  border-radius: 2px;
  transition: background var(--transition);
}

.timeline-item {
  position: relative;
  padding-bottom: 2.2rem;
}

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

.timeline-item::before {
  content: '';
  position: absolute;
  left: -2rem;
  top: 6px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--bg);
  border: 3px solid var(--accent);
  box-shadow: 0 0 0 4px var(--accent-soft);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.timeline-date {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  color: var(--accent);
  text-transform: uppercase;
  transition: color var(--transition);
}

.timeline-role {
  font-family: var(--font-head);
  font-size: 1.15rem;
  font-weight: 700;
  margin-top: 0.25rem;
}

.timeline-org { font-size: 0.93rem; color: var(--text-dim); margin-bottom: 0.6rem; }

.timeline-desc { list-style: none; }

.timeline-desc li {
  position: relative;
  padding-left: 1.4rem;
  margin-bottom: 0.4rem;
  font-size: 0.93rem;
  color: var(--text-dim);
}

.timeline-desc li::before {
  content: '▹';
  position: absolute;
  left: 0;
  color: var(--accent);
  transition: color var(--transition);
}

/* ============ EDUCATION ============ */
.education-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.2rem;
}

.edu-card {
  padding: 1.6rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: transform 0.25s, border-color 0.25s;
}

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

.edu-status {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.4px;
  text-transform: uppercase;
  color: var(--accent);
  padding: 4px 12px;
  border-radius: 100px;
  background: var(--accent-soft);
  margin-bottom: 0.9rem;
  transition: background var(--transition), color var(--transition);
}

.edu-title {
  font-family: var(--font-head);
  font-size: 1.08rem;
  font-weight: 700;
  margin-bottom: 0.3rem;
}

.edu-org { font-size: 0.9rem; color: var(--text-dim); }

.extras {
  margin-top: 2rem;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.2rem;
}

.extra-item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  padding: 1.3rem 1.5rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.extra-item .icon {
  flex-shrink: 0;
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 11px;
  background: var(--accent-soft);
  color: var(--accent);
  transition: background var(--transition), color var(--transition);
}

.extra-item h4 { font-size: 0.98rem; font-weight: 600; margin-bottom: 0.2rem; }
.extra-item p { font-size: 0.88rem; color: var(--text-dim); }

/* ============ CONTACT ============ */
.contact-card {
  text-align: center;
  padding: 3.5rem 2rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 24px;
  position: relative;
  overflow: hidden;
}

.contact-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 80% at 50% -20%, var(--accent-soft), transparent 70%);
  pointer-events: none;
  transition: background var(--transition);
}

.contact-lead {
  font-family: var(--font-head);
  font-size: clamp(1.15rem, 2.5vw, 1.5rem);
  font-weight: 600;
  margin-bottom: 1.8rem;
  position: relative;
}

.contact-items {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.8rem;
  position: relative;
}

.contact-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  color: var(--text-dim);
  padding: 10px 18px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  transition: all 0.2s;
}

a.contact-item:hover { color: var(--text); border-color: var(--accent); background: var(--accent-soft); transform: translateY(-2px); }

/* ============ FOOTER ============ */
.footer {
  border-top: 1px solid var(--border);
  padding: 1.6rem 0;
  margin-top: 2rem;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--text-dim);
}

/* ============ ANIMACIONES DE ENTRADA ============ */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible { opacity: 1; transform: translateY(0); }

/* Transición al cambiar perfil/idioma */
.fade-swap { animation: fadeSwap 0.4s ease; }

@keyframes fadeSwap {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ============ RESPONSIVE ============ */
@media (max-width: 960px) {
  .hero { grid-template-columns: 1fr; gap: 2.5rem; padding-top: 3rem; min-height: auto; }
  .hero-photo { order: -1; }
  .photo-ring { width: min(260px, 70vw); }
  .about-grid { grid-template-columns: 1fr; }
  .projects-grid { grid-template-columns: 1fr; }
  .nav-links { display: none; }
  .menu-btn { display: flex; }
  .brand-name { display: none; }
}

@media (max-width: 560px) {
  .section { padding: 3rem 0; }
  .hero-ctas .btn { width: 100%; justify-content: center; }
  .profile-switch { width: 100%; }
  .profile-tab { flex: 1; justify-content: center; padding: 9px 10px; }
  .photo-chip-1 { right: 2%; }
  .photo-chip-2 { left: 0; }
  .contact-items { flex-direction: column; align-items: stretch; }
  .contact-item { justify-content: center; }
}