/* ============================================================
   VARIABLES
   ============================================================ */
:root {
  --bg: #0b0b0a;
  --bg-alt: #121210;
  --surface: #1a1a16;
  --surface-2: #232019;
  --border: #332f24;
  --text: #f4efe3;
  --text-muted: #a79f8d;
  --accent: #ff7a1a;
  --accent-2: #ffb35c;
  --accent-dark: #c85e00;
  --radius: 10px;
  --shadow-accent: 0 10px 30px rgba(255, 122, 26, .18);
  --glow-accent: 0 0 24px rgba(255, 122, 26, .45);
  --font-head: 'Oswald', 'Arial Narrow', sans-serif;
  --font-body: 'Rajdhani', 'Segoe UI', sans-serif;
  --font-mono: 'Share Tech Mono', 'Consolas', monospace;
  --ease: cubic-bezier(.19, 1, .22, 1);
}

/* ============================================================
   RESET & BASE
   ============================================================ */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 18px;
  line-height: 1.5;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
svg { width: 1em; height: 1em; }
.container { max-width: 1180px; margin: 0 auto; padding: 0 28px; }
.text-accent { color: var(--accent); }

/* ============================================================
   PIXEL CAMO BACKGROUND
   ============================================================ */
.camo-bg {
  position: fixed;
  inset: 0;
  z-index: -2;
  background-repeat: repeat;
  background-size: 260px 260px;
  background-color: var(--bg);
  image-rendering: pixelated;
  image-rendering: -moz-crisp-edges;
  image-rendering: crisp-edges;
  opacity: .55;
  pointer-events: none;
}
.camo-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, transparent 30%, var(--bg) 92%);
}

h1, h2, h3 { font-family: var(--font-head); text-transform: uppercase; letter-spacing: .5px; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001s !important; animation-iteration-count: 1 !important; transition-duration: .001s !important; scroll-behavior: auto !important; }
}

/* ============================================================
   PRELOADER
   ============================================================ */
.preloader {
  position: fixed; inset: 0; z-index: 9999;
  background: var(--bg);
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 24px;
  transition: opacity .6s var(--ease), visibility .6s var(--ease);
}
.preloader.loaded { opacity: 0; visibility: hidden; }
.preloader-radar { position: relative; width: 90px; height: 90px; }
.preloader-ring {
  position: absolute; inset: 0; border-radius: 50%;
  border: 2px solid var(--border);
}
.preloader-ring::before, .preloader-ring::after {
  content: ''; position: absolute; border-radius: 50%; border: 2px solid var(--border);
}
.preloader-ring::before { inset: 16px; }
.preloader-ring::after { inset: 32px; }
.preloader-sweep {
  position: absolute; inset: 0; border-radius: 50%;
  background: conic-gradient(from 0deg, rgba(255,122,26,.9), transparent 35%);
  animation: spin 1.1s linear infinite;
  mask: radial-gradient(circle, transparent 0, transparent 0, black 1px);
  -webkit-mask: radial-gradient(circle, transparent 0, transparent 0, black 1px);
}
.preloader-text { font-family: var(--font-mono); letter-spacing: 3px; color: var(--accent-2); font-size: .85rem; }
.dots span { animation: blink 1.4s infinite; opacity: 0; }
.dots span:nth-child(2) { animation-delay: .2s; }
.dots span:nth-child(3) { animation-delay: .4s; }

/* ============================================================
   SCROLL PROGRESS
   ============================================================ */
.scroll-progress {
  position: fixed; top: 0; left: 0; height: 3px; width: 0%;
  background: linear-gradient(90deg, var(--accent-dark), var(--accent), var(--accent-2));
  z-index: 1100; transition: width .1s linear;
  box-shadow: 0 0 10px rgba(255,122,26,.6);
}

/* ============================================================
   NAVBAR
   ============================================================ */
.navbar {
  position: fixed; top: 0; left: 0; width: 100%; z-index: 1000;
  padding: 20px 0;
  transition: background .35s var(--ease), padding .35s var(--ease), box-shadow .35s var(--ease);
}
.navbar.scrolled {
  padding: 12px 0;
  background: rgba(11, 11, 10, .88);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 8px 24px rgba(0,0,0,.4);
}
.nav-container { display: flex; align-items: center; justify-content: space-between; }
.nav-brand { display: flex; align-items: center; gap: 12px; font-family: var(--font-head); letter-spacing: 1px; }
.nav-brand-badge {
  width: 38px; height: 38px; border-radius: 50%; border: 2px solid var(--accent);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-mono); color: var(--accent); font-size: .85rem;
}
.nav-brand-text { font-size: .95rem; color: var(--text); }

.nav-menu { display: flex; align-items: center; gap: 34px; }
.nav-link {
  position: relative; font-size: .95rem; letter-spacing: .5px; color: var(--text-muted);
  padding: 6px 2px; transition: color .25s;
}
.nav-link::after {
  content: ''; position: absolute; left: 0; bottom: 0; width: 0; height: 2px;
  background: var(--accent); transition: width .3s var(--ease);
}
.nav-link:hover, .nav-link.active { color: var(--text); }
.nav-link:hover::after, .nav-link.active::after { width: 100%; }
.nav-link-cta {
  border: 1px solid var(--accent); border-radius: 6px; padding: 8px 16px; color: var(--accent) !important;
}
.nav-link-cta::after { display: none; }
.nav-link-cta:hover { background: var(--accent); color: #0b0b0a !important; }

.nav-toggle {
  display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; z-index: 1200;
}
.nav-toggle span { width: 26px; height: 2px; background: var(--text); transition: transform .3s, opacity .3s; }
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative; min-height: 100vh; display: flex; align-items: center;
  overflow: hidden; padding-top: 90px; padding-bottom: 60px;
}
.hero-canvas { position: absolute; inset: 0; z-index: 0; }
.hero-grid-overlay {
  position: absolute; inset: -2px; z-index: 1; pointer-events: none;
  background-image:
    linear-gradient(rgba(255,122,26,.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,122,26,.06) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: radial-gradient(circle at 50% 40%, black 10%, transparent 75%);
  -webkit-mask-image: radial-gradient(circle at 50% 40%, black 10%, transparent 75%);
}
.hero-vignette {
  position: absolute; inset: 0; z-index: 1; pointer-events: none;
  background: radial-gradient(ellipse at center, transparent 40%, var(--bg) 92%);
}
.hero-content {
  position: relative; z-index: 2; display: grid; grid-template-columns: 1.2fr .8fr;
  align-items: center; gap: 40px;
}
.hero-eyebrow {
  font-family: var(--font-mono); color: var(--accent-2); letter-spacing: 4px; font-size: .8rem; margin-bottom: 18px;
}
.hero-name { font-size: clamp(2.2rem, 5vw, 3.6rem); line-height: 1.08; margin-bottom: 18px; }
.hero-rank { display: flex; align-items: center; gap: 12px; font-family: var(--font-head); font-size: 1.15rem; margin-bottom: 14px; letter-spacing: 1px; }
.rank-chip {
  background: var(--surface); border: 1px solid var(--accent); color: var(--accent);
  font-family: var(--font-mono); padding: 4px 12px; border-radius: 5px; font-size: .85rem;
}
.hero-role { font-family: var(--font-mono); color: var(--accent-2); font-size: 1.05rem; min-height: 1.6em; margin-bottom: 18px; }
.cursor-blink { animation: blink 1s step-start infinite; color: var(--accent); }
.hero-bio-short { color: var(--text-muted); max-width: 520px; margin-bottom: 34px; font-size: 1.05rem; }
.hero-actions { display: flex; gap: 18px; flex-wrap: wrap; }

.btn {
  position: relative; display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 26px; border-radius: 6px; font-family: var(--font-head);
  letter-spacing: 1px; text-transform: uppercase; font-size: .9rem; overflow: hidden;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease);
  cursor: pointer; border: none;
}
.btn-icon { width: 18px; height: 18px; transition: transform .3s; }
.btn:hover .btn-icon { transform: translateX(4px); }
.btn-primary { background: var(--accent); color: #0b0b0a; }
.btn-primary::before {
  content: ''; position: absolute; top: 0; left: -60%; width: 40%; height: 100%;
  background: linear-gradient(120deg, transparent, rgba(255,255,255,.55), transparent);
  transform: skewX(-20deg);
}
.btn-primary:hover { transform: translateY(-3px); box-shadow: var(--glow-accent); }
.btn-primary:hover::before { animation: shine 1s var(--ease); }
.btn-outline { border: 1px solid var(--accent); color: var(--accent); background: transparent; }
.btn-outline:hover { background: var(--accent); color: #0b0b0a; transform: translateY(-3px); }

.hero-photo-wrap { position: relative; display: flex; justify-content: center; }
.hero-photo-frame {
  position: relative; width: min(320px, 70vw); aspect-ratio: 1/1; border-radius: 50%;
  padding: 10px;
}
.hero-photo {
  width: 100%; height: 100%; object-fit: cover; border-radius: 50%;
  border: 3px solid var(--surface); box-shadow: 0 0 0 2px var(--accent), 0 20px 50px rgba(0,0,0,.55);
}
.target-lock { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; }
.lock-circle { fill: none; stroke: var(--accent); stroke-opacity: .55; stroke-width: 1; stroke-dasharray: 6 10; }
.lock-circle-1 { animation: spin 18s linear infinite; transform-origin: 100px 100px; }
.lock-circle-2 { stroke: var(--accent-2); stroke-dasharray: 2 8; animation: spin-rev 12s linear infinite; transform-origin: 100px 100px; }
.lock-ticks { stroke: var(--text-muted); stroke-width: 1; }

.id-tag {
  position: absolute; bottom: 6%; left: -6%; background: var(--surface); border: 1px solid var(--border);
  border-left: 3px solid var(--accent); border-radius: 6px; padding: 8px 14px; display: flex; flex-direction: column;
  box-shadow: 0 10px 20px rgba(0,0,0,.4); transform: rotate(-3deg);
}
.id-tag-secondary { bottom: -4%; left: auto; right: -8%; transform: rotate(3deg); border-left-color: var(--accent-2); }
.id-tag-label { font-family: var(--font-mono); font-size: .62rem; color: var(--text-muted); letter-spacing: 1px; }
.id-tag-value { font-family: var(--font-mono); font-size: .9rem; color: var(--accent-2); font-weight: 700; }

.scroll-cue {
  position: absolute; bottom: 26px; left: 50%; transform: translateX(-50%); z-index: 3;
  width: 26px; height: 42px; border: 2px solid var(--text-muted); border-radius: 14px; display: block;
}
.scroll-cue span {
  position: absolute; top: 6px; left: 50%; width: 4px; height: 8px; margin-left: -2px;
  background: var(--accent); border-radius: 2px; animation: scrollcue 1.6s infinite;
}

/* ============================================================
   SECTION GENERIC
   ============================================================ */
.section { padding: 130px 0; position: relative; }
.section-eyebrow { font-family: var(--font-mono); color: var(--accent); letter-spacing: 3px; font-size: .8rem; margin-bottom: 12px; }
.section-title { font-size: clamp(1.9rem, 4vw, 2.7rem); margin-bottom: 20px; }
.section-subtitle { color: var(--text-muted); max-width: 640px; margin-bottom: 50px; font-size: 1.05rem; }

/* ============================================================
   INTRODUCCIÓN
   ============================================================ */
.intro-grid { display: grid; grid-template-columns: 1.3fr 1fr; gap: 60px; align-items: center; }
.intro-text { color: var(--text-muted); font-size: 1.15rem; line-height: 1.8; }
.intro-text strong { color: var(--text); }
.stat-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.stat-tile {
  background: var(--surface); border: 1px solid var(--border); border-left: 3px solid var(--accent);
  border-radius: var(--radius); padding: 20px; transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}
.stat-tile:hover { transform: translateY(-4px); box-shadow: var(--shadow-accent); }
.stat-value { display: block; font-family: var(--font-mono); font-size: 1.5rem; color: var(--accent-2); margin-bottom: 6px; }
.stat-label { font-size: .82rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: .5px; }

/* ============================================================
   EXPERIENCIA / TIMELINE
   ============================================================ */
.timeline { position: relative; padding-left: 50px; }
.timeline::before {
  content: ''; position: absolute; left: 19px; top: 6px; bottom: 6px; width: 2px;
  background: linear-gradient(var(--accent), var(--border));
}
.timeline-item { position: relative; display: flex; gap: 26px; margin-bottom: 46px; z-index: 1; }
.timeline-item:last-child { margin-bottom: 0; }
.timeline-marker {
  position: absolute; left: -50px; top: 0; width: 40px; height: 40px; border-radius: 50%;
  background: var(--surface); border: 2px solid var(--accent); color: var(--accent);
  display: flex; align-items: center; justify-content: center; font-size: 1.1rem; flex-shrink: 0;
  box-shadow: 0 0 0 4px var(--bg);
}
.timeline-card {
  flex: 1; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 26px 28px; transition: transform .35s var(--ease), box-shadow .35s var(--ease), border-color .35s;
}
.timeline-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-accent); border-color: var(--accent); }
.timeline-year { font-family: var(--font-mono); color: var(--accent); letter-spacing: 1px; font-size: .85rem; }
.timeline-role { font-size: 1.3rem; margin: 6px 0 4px; }
.timeline-unit { color: var(--text-muted); font-style: italic; margin-bottom: 12px; font-size: .95rem; }
.timeline-list { padding-left: 18px; color: var(--text-muted); font-size: .95rem; }
.timeline-list li { list-style: disc; margin-bottom: 4px; }

/* ============================================================
   CURSOS
   ============================================================ */
.courses-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 26px; }
.course-card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 36px 26px; text-align: center; transition: transform .4s var(--ease), box-shadow .4s var(--ease), border-color .4s;
}
.course-card:hover { transform: translateY(-8px) scale(1.02); box-shadow: var(--shadow-accent); border-color: var(--accent); }
.course-ribbon {
  width: 62px; height: 62px; margin: 0 auto 18px; border-radius: 50%; background: var(--surface-2);
  border: 1px solid var(--accent); color: var(--accent); display: flex; align-items: center; justify-content: center;
}
.course-ribbon svg { width: 28px; height: 28px; }
.course-level { font-family: var(--font-mono); color: var(--accent-2); font-size: .75rem; letter-spacing: 1px; text-transform: uppercase; }
.course-title { font-size: 1.2rem; margin: 10px 0 8px; }
.course-institution { color: var(--text-muted); font-size: .92rem; }

/* ============================================================
   HABILIDADES / SKILLS
   ============================================================ */
.skills-layout { display: grid; grid-template-columns: 1.2fr 1fr; gap: 60px; align-items: center; margin-bottom: 70px; }
.skill-row { margin-bottom: 24px; }
.skill-row-head { display: flex; justify-content: space-between; font-family: var(--font-mono); font-size: .85rem; margin-bottom: 8px; }
.skill-name { color: var(--text); }
.skill-percent { color: var(--accent-2); }
.skill-track { height: 10px; background: var(--surface-2); border-radius: 6px; overflow: hidden; position: relative; border: 1px solid var(--border); }
.skill-fill {
  position: relative; height: 100%; width: 0; border-radius: 6px;
  background: linear-gradient(90deg, var(--accent-dark), var(--accent));
  transition: width 1.4s var(--ease);
}
.skill-row.in-view .skill-fill { width: var(--target); }
.skill-fill::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(120deg, transparent, rgba(255,255,255,.5), transparent);
  transform: translateX(-100%); animation: shine 2.6s ease-in-out infinite; animation-delay: 1.4s;
}

.skills-radar { display: flex; flex-direction: column; align-items: center; gap: 14px; }
.skills-radar svg {
  width: 100%; max-width: 320px; height: auto; aspect-ratio: 1 / 1; display: block;
  background: radial-gradient(circle, rgba(255,122,26,.06), transparent 72%);
}
.radar-caption { font-family: var(--font-mono); color: var(--text-muted); font-size: .8rem; letter-spacing: 1px; text-transform: uppercase; }
.radar-grid-line { fill: none; stroke: var(--border); stroke-width: 1; }
.radar-axis-line { stroke: var(--border); stroke-width: 1; }
.radar-axis-label { fill: var(--text-muted); font-family: var(--font-mono); font-size: 9px; text-anchor: middle; }
.radar-shape {
  fill: rgba(255, 122, 26, .18); stroke: var(--accent); stroke-width: 2;
  transition: stroke-dashoffset 1.6s var(--ease), opacity 1.6s;
  opacity: 0;
}
.skills-radar.in-view .radar-shape { stroke-dashoffset: 0; opacity: 1; }
.radar-point { fill: var(--accent-2); opacity: 0; transition: opacity .6s var(--ease) .8s; }
.skills-radar.in-view .radar-point { opacity: 1; }

.advantages-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 24px; }
.advantage-card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 30px 24px; transition: transform .35s var(--ease), box-shadow .35s var(--ease), border-color .35s;
}
.advantage-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-accent); border-color: var(--accent); }
.advantage-card svg { width: 40px; height: 40px; color: var(--accent); margin-bottom: 16px; }
.advantage-card h3 { font-size: 1.1rem; margin-bottom: 8px; }
.advantage-card p { color: var(--text-muted); font-size: .92rem; line-height: 1.5; }

/* ============================================================
   CONTACTO
   ============================================================ */
.contact-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 24px; }
.contact-card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 32px 24px; display: flex; flex-direction: column; align-items: center; text-align: center; gap: 8px;
  transition: transform .35s var(--ease), box-shadow .35s var(--ease), border-color .35s;
}
.contact-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-accent); border-color: var(--accent); }
.contact-card svg { width: 32px; height: 32px; color: var(--accent); margin-bottom: 10px; }
.contact-label { font-family: var(--font-mono); font-size: .75rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 1px; }
.contact-value { font-size: 1.05rem; font-weight: 600; word-break: break-word; }
.contact-card-static { cursor: default; }

/* ============================================================
   FOOTER
   ============================================================ */
.footer { text-align: center; padding: 60px 0 40px; border-top: 1px solid var(--border); }
.footer-name { font-family: var(--font-head); letter-spacing: 1px; margin-bottom: 8px; }
.footer-motto { color: var(--accent-2); font-style: italic; margin-bottom: 14px; }
.footer-copy { color: var(--text-muted); font-size: .85rem; font-family: var(--font-mono); }

.back-to-top {
  position: fixed; right: 26px; bottom: 26px; width: 46px; height: 46px; border-radius: 50%;
  background: var(--accent); color: #0b0b0a; border: none; display: flex; align-items: center; justify-content: center;
  cursor: pointer; opacity: 0; pointer-events: none; transform: translateY(10px);
  transition: opacity .35s, transform .35s; z-index: 900; box-shadow: 0 10px 24px rgba(0,0,0,.5);
}
.back-to-top.show { opacity: 1; pointer-events: auto; transform: translateY(0); }
.back-to-top svg { width: 20px; height: 20px; }

/* ============================================================
   REVEAL ANIMATIONS
   ============================================================ */
.reveal { opacity: 0; transform: translateY(34px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.reveal.in-view { opacity: 1; transform: translateY(0); }

.timeline-item { opacity: 0; transition: opacity .8s var(--ease); }
.timeline-item.in-view { opacity: 1; }
.timeline-card { transition: transform .8s var(--ease), box-shadow .35s var(--ease), border-color .35s; }
.timeline-item:nth-child(odd) .timeline-card { transform: translateX(-36px); }
.timeline-item:nth-child(even) .timeline-card { transform: translateX(36px); }
.timeline-item.in-view .timeline-card { transform: translateX(0); }

/* ============================================================
   KEYFRAMES
   ============================================================ */
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes spin-rev { to { transform: rotate(-360deg); } }
@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0; } }
@keyframes scrollcue { 0% { opacity: 0; transform: translate(-50%, 0); } 30% { opacity: 1; } 100% { opacity: 0; transform: translate(-50%, 16px); } }
@keyframes shine { 0% { transform: translateX(-120%); } 100% { transform: translateX(220%); } }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 980px) {
  .hero-content { grid-template-columns: 1fr; text-align: center; }
  .hero-actions { justify-content: center; }
  .hero-bio-short { margin-left: auto; margin-right: auto; }
  .hero-photo-wrap { order: -1; margin-bottom: 20px; }
  .intro-grid, .skills-layout { grid-template-columns: 1fr; }
  .nav-menu {
    position: fixed; top: 0; right: 0; height: 100vh; width: min(300px, 80vw);
    background: rgba(11,11,10,.98); backdrop-filter: blur(10px);
    flex-direction: column; justify-content: center; gap: 30px;
    transform: translateX(100%); transition: transform .4s var(--ease);
    border-left: 1px solid var(--border);
  }
  .nav-menu.open { transform: translateX(0); }
  .nav-toggle { display: flex; }
}

@media (max-width: 640px) {
  body { font-size: 16px; }
  .section { padding: 90px 0; }
  .stat-row { grid-template-columns: 1fr 1fr; }
  .timeline { padding-left: 40px; }
  .timeline-marker { left: -40px; width: 34px; height: 34px; }
  .id-tag { left: 0; }
  .id-tag-secondary { right: 0; }
}