/* ════════════════════════════════════════════
   ROGER MEDINA — Personal Portfolio
   style.css  ·  Rediseño inspirado en Orvyn
════════════════════════════════════════════ */

/* ── Variables ── */
:root {
  /* Paleta oscura azul original */
  --clr-bg:          #0d0f14;
  --clr-bg2:         #111520;
  --clr-surface:     #131720;
  --clr-surface2:    #1a2030;
  --clr-surface3:    #1e2538;
  --clr-border:      rgba(255,255,255,0.07);
  --clr-border-h:    rgba(79,142,247,0.3);

  /* Acento azul (alias --clr-lime para reutilizar toda la estructura) */
  --clr-lime:        #4f8ef7;
  --clr-lime-d:      #2f6de0;
  --clr-lime-bg:     rgba(79,142,247,0.08);

  /* Texto */
  --clr-text:        #e2e8f0;
  --clr-muted:       #8899aa;
  --clr-muted2:      #4a5568;

  /* Marcas externas */
  --clr-linkedin:    #0a66c2;

  /* Geometría */
  --radius:          10px;
  --radius-lg:       16px;
  --radius-xl:       24px;
  --max-w:           1100px;
  --transition:      0.28s ease;

  /* Sombras */
  --shadow-lime:     0 0 40px rgba(79,142,247,0.12);
  --shadow-card:     0 4px 32px rgba(0,0,0,0.5);

  /* Tipografía */
  --font-main:       'Inter', system-ui, sans-serif;
  --font-mono:       'JetBrains Mono', monospace;
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }

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

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

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: var(--clr-bg); }
::-webkit-scrollbar-thumb { background: var(--clr-lime); border-radius: 4px; }

/* ── Selection ── */
::selection { background: rgba(181,242,61,0.25); color: var(--clr-text); }

/* ════════════════════════════════════════════
   NAVBAR
════════════════════════════════════════════ */
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
  padding: 20px 0;
  transition: background var(--transition), padding var(--transition), border-color var(--transition);
  border-bottom: 1px solid transparent;
}

.navbar.scrolled {
  background: rgba(9,10,8,0.88);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 14px 0;
  border-bottom-color: var(--clr-border);
}

.nav-container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--clr-text);
  letter-spacing: -0.5px;
  transition: color var(--transition);
}
.nav-logo:hover { color: var(--clr-lime); }
.nav-logo .dot { color: var(--clr-lime); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 2px;
}

.nav-links a {
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.2px;
  color: var(--clr-muted);
  padding: 7px 13px;
  border-radius: 8px;
  transition: color var(--transition), background var(--transition);
}
.nav-links a:hover { color: var(--clr-text); background: var(--clr-surface2); }
.nav-links a.active { color: var(--clr-lime); }

/* CTA navbar: azul, texto blanco */
.nav-cta {
  background: var(--clr-lime) !important;
  color: #fff !important;
  font-weight: 700 !important;
  padding: 8px 18px !important;
  border-radius: 8px !important;
  letter-spacing: -0.2px !important;
}
.nav-cta:hover {
  background: var(--clr-lime-d) !important;
  color: #fff !important;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--clr-text);
  border-radius: 2px;
  transition: all var(--transition);
}
.hamburger.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* ════════════════════════════════════════════
   HERO
════════════════════════════════════════════ */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
  padding: 140px 32px 100px;
  overflow: hidden;
}

/* Fondo: grid sutil tipo tech */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(181,242,61,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(181,242,61,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 50%, black 0%, transparent 100%);
  pointer-events: none;
}

.hero-bg-shapes {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.shape {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.15;
}
.shape-1 {
  width: 600px; height: 600px;
  background: var(--clr-lime);
  top: -150px; left: -150px;
  opacity: 0.07;
}
.shape-2 {
  width: 500px; height: 500px;
  background: #3dcc6e;
  bottom: -100px; right: -100px;
  opacity: 0.06;
}
.shape-3 {
  width: 350px; height: 350px;
  background: var(--clr-lime);
  top: 40%; left: 55%;
  transform: translate(-50%, -50%);
  opacity: 0.05;
}

.hero-content {
  flex: 1;
  text-align: left;
  position: relative;
  z-index: 1;
  max-width: 580px;
}

/* Layout de dos columnas */
.hero-inner {
  max-width: var(--max-w);
  width: 100%;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 72px;
  position: relative;
  z-index: 1;
}

/* ── Foto de perfil ── */
.hero-photo-wrap {
  position: relative;
  flex-shrink: 0;
}

/* Anillo decorativo exterior */
.hero-photo-ring {
  position: absolute;
  inset: -16px;
  border-radius: 50%;
  border: 1px solid rgba(79,142,247,0.2);
  animation: ringPulse 3s ease-in-out infinite;
}
@keyframes ringPulse {
  0%, 100% { transform: scale(1);   opacity: 0.6; }
  50%       { transform: scale(1.04); opacity: 1;   }
}

.hero-photo-container {
  width: 340px;
  height: 340px;
  border-radius: 50%;
  overflow: hidden;
  border: 3px solid rgba(79,142,247,0.35);
  box-shadow:
    0 0 0 8px rgba(79,142,247,0.06),
    0 0 60px rgba(79,142,247,0.2),
    0 24px 60px rgba(0,0,0,0.6);
  position: relative;
  animation: fadeInUp 0.8s 0.3s ease both;
}

.hero-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  display: block;
  transition: transform 0.5s ease;
}
.hero-photo-container:hover .hero-photo {
  transform: scale(1.04);
}

/* Badges flotantes sobre la foto */
.hero-float-badge {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 7px;
  background: rgba(13,15,20,0.9);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(79,142,247,0.25);
  color: var(--clr-text);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 8px 14px;
  border-radius: 100px;
  white-space: nowrap;
  box-shadow: 0 4px 20px rgba(0,0,0,0.4);
  animation: fadeInUp 0.8s 0.6s ease both;
}
.hero-float-badge svg { color: var(--clr-lime); flex-shrink: 0; }

.badge-top {
  top: 24px;
  left: -48px;
}
.badge-bottom {
  bottom: 32px;
  right: -40px;
  animation-delay: 0.75s;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: rgba(181,242,61,0.07);
  border: 1px solid rgba(181,242,61,0.2);
  color: var(--clr-lime);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 28px;
  animation: fadeInDown 0.6s ease both;
  font-family: var(--font-mono);
}

.hero-name {
  font-size: clamp(2.8rem, 7vw, 5.2rem);
  font-weight: 800;
  line-height: 1.0;
  letter-spacing: -3px;
  margin-bottom: 24px;
  animation: fadeInUp 0.65s 0.1s ease both;
}

/* El highlight vuelve al gradiente azul→cian */
.highlight {
  background: linear-gradient(135deg, #4f8ef7, #64ffda);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-title {
  font-size: clamp(0.95rem, 2.2vw, 1.2rem);
  font-weight: 400;
  color: var(--clr-muted);
  margin-bottom: 18px;
  min-height: 2em;
  animation: fadeInUp 0.65s 0.18s ease both;
  font-family: var(--font-mono);
}

.cursor {
  display: inline-block;
  color: var(--clr-lime);
  animation: blink 1s infinite;
  font-weight: 300;
}
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:0} }

.hero-location {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.82rem;
  color: var(--clr-muted);
  margin-bottom: 20px;
  animation: fadeInUp 0.65s 0.22s ease both;
}

.hero-tagline {
  font-size: 1.0rem;
  color: var(--clr-muted);
  margin-bottom: 44px;
  animation: fadeInUp 0.65s 0.28s ease both;
  font-style: italic;
  opacity: 0.7;
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 44px;
  animation: fadeInUp 0.65s 0.34s ease both;
}

.hero-social {
  display: flex;
  gap: 10px;
  animation: fadeInUp 0.65s 0.42s ease both;
}

.social-icon {
  width: 42px; height: 42px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 10px;
  border: 1px solid var(--clr-border);
  color: var(--clr-muted);
  transition: all var(--transition);
  background: var(--clr-surface);
}
.social-icon:hover {
  color: var(--clr-lime);
  border-color: var(--clr-border-h);
  background: var(--clr-lime-bg);
  transform: translateY(-2px);
}

.hero-scroll-hint {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--clr-muted2);
  font-size: 0.7rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  font-family: var(--font-mono);
  animation: fadeInUp 1.2s 1s ease both;
}

.scroll-line {
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, var(--clr-lime), transparent);
  opacity: 0.5;
  animation: scrollPulse 2s ease infinite;
}
@keyframes scrollPulse { 0%,100%{opacity:0.3} 50%{opacity:0.8} }

/* ════════════════════════════════════════════
   BOTONES
════════════════════════════════════════════ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: 10px;
  font-weight: 700;
  font-size: 0.9rem;
  transition: all var(--transition);
  cursor: pointer;
  border: none;
  line-height: 1;
  letter-spacing: -0.2px;
}

/* CTA principal: azul sólido, texto blanco */
.btn-primary {
  background: var(--clr-lime);
  color: #fff;
}
.btn-primary:hover {
  background: var(--clr-lime-d);
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(181,242,61,0.25);
}

/* Secundario: outline oscuro */
.btn-outline {
  background: transparent;
  color: var(--clr-muted);
  border: 1px solid var(--clr-border);
  background: var(--clr-surface);
}
.btn-outline:hover {
  border-color: var(--clr-border-h);
  color: var(--clr-lime);
  background: var(--clr-lime-bg);
  transform: translateY(-2px);
}

.btn-lg { padding: 15px 30px; font-size: 0.95rem; }

.btn-linkedin {
  background: var(--clr-linkedin);
  color: #fff;
}
.btn-linkedin:hover {
  background: #0952a5;
  transform: translateY(-2px);
}

.btn-github {
  background: var(--clr-surface2);
  color: var(--clr-text);
  border: 1px solid var(--clr-border);
}
.btn-github:hover {
  border-color: var(--clr-border-h);
  background: var(--clr-surface3);
  transform: translateY(-2px);
}

/* ════════════════════════════════════════════
   SECCIONES — layout compartido
════════════════════════════════════════════ */
.section { padding: 110px 0; }

.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 32px;
}

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--clr-lime);
  margin-bottom: 16px;
  opacity: 0.8;
}

.section-header h2 {
  font-size: clamp(2rem, 4.5vw, 3.2rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -2px;
}

/* ════════════════════════════════════════════
   SOBRE MÍ
════════════════════════════════════════════ */
.sobre-mi { background: var(--clr-bg2); }

.sobre-mi-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: start;
}

.sobre-mi-text p {
  color: var(--clr-muted);
  margin-bottom: 18px;
  font-size: 0.95rem;
  line-height: 1.75;
}
.sobre-mi-text strong { color: var(--clr-text); font-weight: 600; }

.sobre-mi-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.stat-card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  text-align: center;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.stat-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 2px;
  background: var(--clr-lime);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}
.stat-card:hover {
  border-color: var(--clr-border-h);
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
  background: var(--clr-surface2);
}
.stat-card:hover::after { transform: scaleX(1); }

.stat-number {
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--clr-lime);
  margin-bottom: 8px;
  letter-spacing: -2px;
  font-family: var(--font-mono);
}

.stat-label {
  font-size: 0.78rem;
  color: var(--clr-muted);
  line-height: 1.4;
}

/* ════════════════════════════════════════════
   PROPUESTA DE VALOR
════════════════════════════════════════════ */
.propuesta { background: var(--clr-bg); }

.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.value-card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-xl);
  padding: 36px 30px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.value-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--clr-lime), transparent);
  opacity: 0;
  transition: opacity var(--transition);
}
.value-card:hover {
  border-color: var(--clr-border-h);
  background: var(--clr-surface2);
  transform: translateY(-6px);
  box-shadow: 0 20px 50px rgba(0,0,0,0.5), var(--shadow-lime);
}
.value-card:hover::before { opacity: 1; }

.value-icon {
  width: 52px; height: 52px;
  background: var(--clr-lime-bg);
  border: 1px solid rgba(181,242,61,0.15);
  border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 22px;
  color: var(--clr-lime);
  transition: background var(--transition), border-color var(--transition);
}
.value-card:hover .value-icon {
  background: rgba(181,242,61,0.15);
  border-color: rgba(181,242,61,0.3);
}

.value-card h3 {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 12px;
  letter-spacing: -0.2px;
}
.value-card p { font-size: 0.85rem; color: var(--clr-muted); line-height: 1.65; }

/* ════════════════════════════════════════════
   EXPERIENCIA — Timeline
════════════════════════════════════════════ */
.experiencia { background: var(--clr-bg2); }

.timeline {
  position: relative;
  padding-left: 44px;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 10px;
  top: 10px;
  bottom: 10px;
  width: 1px;
  background: linear-gradient(to bottom, var(--clr-lime), transparent);
  opacity: 0.3;
}

.timeline-item {
  position: relative;
  margin-bottom: 52px;
}
.timeline-item:last-child { margin-bottom: 0; }

.timeline-dot {
  position: absolute;
  left: -38px;
  top: 10px;
  width: 12px; height: 12px;
  background: var(--clr-lime);
  border-radius: 50%;
  border: 2px solid var(--clr-bg2);
  box-shadow: 0 0 0 4px rgba(181,242,61,0.15), 0 0 16px rgba(181,242,61,0.3);
}

.timeline-content {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-xl);
  padding: 36px;
  transition: all var(--transition);
}
.timeline-content:hover {
  border-color: var(--clr-border-h);
  background: var(--clr-surface2);
  box-shadow: 0 12px 48px rgba(0,0,0,0.4), var(--shadow-lime);
}

.timeline-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 22px;
  flex-wrap: wrap;
}

.timeline-header h3 {
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.3px;
}

.company {
  display: block;
  font-size: 0.82rem;
  color: var(--clr-lime);
  margin-top: 5px;
  font-family: var(--font-mono);
  opacity: 0.85;
}

.timeline-period {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--clr-muted);
  white-space: nowrap;
  background: var(--clr-surface2);
  padding: 5px 12px;
  border-radius: 100px;
  border: 1px solid var(--clr-border);
  flex-shrink: 0;
  letter-spacing: 0.5px;
}

.timeline-list { display: flex; flex-direction: column; gap: 9px; }
.timeline-list li {
  font-size: 0.85rem;
  color: var(--clr-muted);
  padding-left: 18px;
  position: relative;
  line-height: 1.55;
}
.timeline-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 9px;
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--clr-lime);
  opacity: 0.6;
}

/* ════════════════════════════════════════════
   HABILIDADES
════════════════════════════════════════════ */
.habilidades { background: var(--clr-bg); }

.skills-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 24px;
}

.skill-group {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-xl);
  padding: 36px 30px;
  transition: all var(--transition);
}
.skill-group:hover {
  border-color: var(--clr-border-h);
  background: var(--clr-surface2);
  transform: translateY(-4px);
  box-shadow: var(--shadow-card), var(--shadow-lime);
}

.skill-group-icon {
  width: 52px; height: 52px;
  background: var(--clr-lime-bg);
  border: 1px solid rgba(181,242,61,0.15);
  border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 22px;
  color: var(--clr-lime);
}

.skill-group h3 {
  font-size: 0.9rem;
  font-weight: 700;
  margin-bottom: 18px;
  letter-spacing: -0.2px;
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.tag {
  font-size: 0.72rem;
  font-weight: 600;
  padding: 5px 12px;
  border-radius: 100px;
  background: rgba(181,242,61,0.06);
  color: var(--clr-lime);
  border: 1px solid rgba(181,242,61,0.15);
  transition: all var(--transition);
  font-family: var(--font-mono);
  letter-spacing: 0.2px;
}
.tag:hover {
  background: rgba(181,242,61,0.14);
  border-color: rgba(181,242,61,0.35);
}

/* Idiomas */
.languages {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-xl);
  padding: 40px;
  margin-top: 20px;
}
.languages h3 {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 28px;
  letter-spacing: -0.2px;
}

.lang-grid { display: flex; flex-direction: column; gap: 18px; }

.lang-item {
  display: grid;
  grid-template-columns: 100px 1fr 100px;
  align-items: center;
  gap: 20px;
}

.lang-name { font-size: 0.88rem; font-weight: 600; }
.lang-level { font-size: 0.75rem; color: var(--clr-muted); text-align: right; font-family: var(--font-mono); }

.lang-bar {
  height: 4px;
  background: var(--clr-surface3);
  border-radius: 100px;
  overflow: hidden;
}

.lang-fill {
  height: 100%;
  background: var(--clr-lime);
  border-radius: 100px;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 1.4s cubic-bezier(0.16,1,0.3,1) 0.3s;
  box-shadow: 0 0 10px rgba(181,242,61,0.4);
}
.lang-fill.animated { transform: scaleX(1); }

/* ════════════════════════════════════════════
   FORMACIÓN
════════════════════════════════════════════ */
.formacion { background: var(--clr-bg2); }

.education-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.edu-card {
  display: flex;
  gap: 24px;
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-xl);
  padding: 36px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.edu-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top left, rgba(181,242,61,0.04) 0%, transparent 60%);
  opacity: 0;
  transition: opacity var(--transition);
}
.edu-card:hover {
  border-color: var(--clr-border-h);
  background: var(--clr-surface2);
  transform: translateY(-4px);
  box-shadow: var(--shadow-card), var(--shadow-lime);
}
.edu-card:hover::before { opacity: 1; }

.edu-icon {
  width: 60px; height: 60px;
  flex-shrink: 0;
  background: var(--clr-lime-bg);
  border: 1px solid rgba(181,242,61,0.15);
  border-radius: 16px;
  display: flex; align-items: center; justify-content: center;
  color: var(--clr-lime);
}
.edu-icon-active {
  background: rgba(181,242,61,0.12);
  border-color: rgba(181,242,61,0.3);
  box-shadow: 0 0 20px rgba(181,242,61,0.15);
}

.edu-content { flex: 1; }

.edu-content h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 8px;
  letter-spacing: -0.2px;
}

.edu-institution {
  display: block;
  font-size: 0.82rem;
  color: var(--clr-muted);
  margin-bottom: 6px;
}

.edu-period {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--clr-muted2);
  margin-bottom: 12px;
}

.edu-badge {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 4px 11px;
  border-radius: 100px;
  margin-bottom: 16px;
  font-family: var(--font-mono);
  letter-spacing: 0.5px;
}
.badge-done {
  background: rgba(255,255,255,0.05);
  color: var(--clr-muted);
  border: 1px solid var(--clr-border);
}
.badge-active {
  background: rgba(181,242,61,0.1);
  color: var(--clr-lime);
  border: 1px solid rgba(181,242,61,0.3);
  box-shadow: 0 0 12px rgba(181,242,61,0.1);
}

.edu-topics {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.edu-topics li {
  font-size: 0.8rem;
  color: var(--clr-muted);
  padding-left: 16px;
  position: relative;
}
.edu-topics li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--clr-lime);
  font-size: 0.75rem;
  opacity: 0.7;
}

/* ════════════════════════════════════════════
   FILOSOFÍA
════════════════════════════════════════════ */
.filosofia { background: var(--clr-bg); }

.filosofia-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: start;
}

.filosofia-quote {
  font-size: clamp(1.3rem, 2.4vw, 1.75rem);
  font-weight: 800;
  line-height: 1.35;
  color: var(--clr-text);
  letter-spacing: -1px;
  font-style: normal;
  position: relative;
  padding-left: 28px;
}
.filosofia-quote::before {
  content: '';
  position: absolute;
  left: 0;
  top: 4px;
  bottom: 4px;
  width: 3px;
  background: var(--clr-lime);
  border-radius: 2px;
  box-shadow: 0 0 12px rgba(181,242,61,0.4);
}

.filosofia-text p {
  color: var(--clr-muted);
  margin-bottom: 18px;
  font-size: 0.95rem;
  line-height: 1.75;
}

/* ════════════════════════════════════════════
   CONTACTO
════════════════════════════════════════════ */
.contacto { background: var(--clr-bg2); }

.contacto-box {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-xl);
  padding: 72px 60px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

/* Glow verde centrado en la caja */
.contacto-box::before {
  content: '';
  position: absolute;
  bottom: -60px;
  left: 50%;
  transform: translateX(-50%);
  width: 500px; height: 300px;
  background: radial-gradient(ellipse, rgba(181,242,61,0.08) 0%, transparent 70%);
  pointer-events: none;
}

/* Grid sutil de fondo */
.contacto-box::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(181,242,61,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(181,242,61,0.025) 1px, transparent 1px);
  background-size: 50px 50px;
  mask-image: radial-gradient(ellipse 70% 70% at 50% 100%, black 0%, transparent 100%);
  pointer-events: none;
}

.contacto-box .section-tag { margin-bottom: 20px; }

.contacto-box h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 800;
  margin-bottom: 20px;
  letter-spacing: -2px;
  position: relative;
  z-index: 1;
}

.contacto-sub {
  font-size: 0.98rem;
  color: var(--clr-muted);
  max-width: 560px;
  margin: 0 auto 40px;
  line-height: 1.7;
  position: relative;
  z-index: 1;
}

.contacto-info {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 24px;
  margin-bottom: 40px;
  position: relative;
  z-index: 1;
}

.contact-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
  color: var(--clr-muted);
  transition: color var(--transition);
  font-family: var(--font-mono);
}
a.contact-item:hover { color: var(--clr-lime); }

.contacto-social {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
  position: relative;
  z-index: 1;
}

/* ════════════════════════════════════════════
   FOOTER
════════════════════════════════════════════ */
.footer {
  background: var(--clr-bg);
  border-top: 1px solid var(--clr-border);
  padding: 28px 0;
  text-align: center;
}
.footer p {
  font-size: 0.78rem;
  color: var(--clr-muted2);
  font-family: var(--font-mono);
}

/* ════════════════════════════════════════════
   BACK TO TOP
════════════════════════════════════════════ */
.back-top {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 44px; height: 44px;
  background: var(--clr-lime);
  color: #0a0b09;
  border: none;
  border-radius: 10px;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: all var(--transition);
  box-shadow: 0 4px 20px rgba(181,242,61,0.3);
  z-index: 999;
}
.back-top.visible { opacity: 1; pointer-events: all; }
.back-top:hover {
  background: var(--clr-lime-d);
  transform: translateY(-3px);
  box-shadow: 0 8px 28px rgba(181,242,61,0.4);
}

/* ════════════════════════════════════════════
   SCROLL REVEAL
════════════════════════════════════════════ */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-16px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ════════════════════════════════════════════
   RESPONSIVE
════════════════════════════════════════════ */
@media (max-width: 1024px) {
  .cards-grid { grid-template-columns: repeat(2, 1fr); }
  .cards-grid > .value-card:last-child { grid-column: span 2; }
  .skills-grid { grid-template-columns: repeat(2, 1fr); }
}

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

  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    height: 100vh;
    width: 270px;
    background: rgba(9,10,8,0.98);
    backdrop-filter: blur(24px);
    flex-direction: column;
    padding: 90px 24px 40px;
    gap: 4px;
    transition: right var(--transition);
    border-left: 1px solid var(--clr-border);
    z-index: 999;
  }
  .nav-links.open { right: 0; }
  .nav-links a { padding: 13px 18px; border-radius: 10px; width: 100%; }

  /* Hero: una sola columna en móvil */
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 44px;
    text-align: center;
  }
  .hero-content { text-align: center; max-width: 100%; }
  .hero-actions { justify-content: center; }
  .hero-social  { justify-content: center; }

  .hero-photo-wrap { display: flex; justify-content: center; order: -1; }
  .hero-photo-container { width: 220px; height: 220px; }
  .hero-photo-ring { inset: -12px; }
  .badge-top    { left: -20px; top: 10px; font-size: 0.68rem; padding: 6px 10px; }
  .badge-bottom { right: -20px; bottom: 16px; font-size: 0.68rem; padding: 6px 10px; }

  .sobre-mi-grid { grid-template-columns: 1fr; gap: 44px; }
  .sobre-mi-stats { grid-template-columns: repeat(4, 1fr); }

  .cards-grid { grid-template-columns: 1fr; }
  .cards-grid > .value-card:last-child { grid-column: span 1; }

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

  .education-grid { grid-template-columns: 1fr; }
  .edu-card { flex-direction: column; align-items: flex-start; }
  .edu-icon { width: 52px; height: 52px; }

  .filosofia-layout { grid-template-columns: 1fr; gap: 36px; }

  .timeline { padding-left: 30px; }
  .timeline-header { flex-direction: column; gap: 10px; }
  .timeline-content { padding: 26px; }

  .contacto-box { padding: 44px 24px; }

  .lang-item { grid-template-columns: 80px 1fr 80px; }

  .section { padding: 80px 0; }

  .hero-name { letter-spacing: -1.5px; }
}

@media (max-width: 480px) {
  .sobre-mi-stats { grid-template-columns: repeat(2, 1fr); }
  .contacto-info { flex-direction: column; align-items: center; }
  .hero-actions { flex-direction: column; align-items: center; }
  .contacto-social { flex-direction: column; align-items: center; }
  .container { padding: 0 20px; }
  .contacto-box { padding: 36px 20px; }
  .timeline-content { padding: 22px; }
  .nav-container { padding: 0 20px; }
  .hero { padding: 130px 20px 90px; }
}