/* =========================================================
   VARIABLES
========================================================= */
:root{
  --bg: #0a0a08;
  --bg-panel: #121210;
  --bg-panel-2: #1a1a15;
  --yellow: #f5c400;
  --yellow-bright: #ffe066;
  --yellow-dim: #8a6d00;
  --text: #ece8d8;
  --text-dim: #9a9584;
  --border: #34321f;
  --red: #dd1e28;
  --blue: #0033a0;
  --font-display: 'Black Ops One', cursive;
  --font-body: 'Oswald', sans-serif;
  --font-mono: 'Share Tech Mono', monospace;
  --ease: cubic-bezier(.16,.84,.44,1);
}

*,*::before,*::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin:0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-weight: 300;
  overflow-x: hidden;
  cursor: default;
}
img{ max-width:100%; display:block; }
a{ color: inherit; text-decoration:none; }
ul{ list-style:none; margin:0; padding:0; }
h1,h2,h3,h4{ font-family: var(--font-display); font-weight:400; margin:0; letter-spacing:1px; }
code{ font-family: var(--font-mono); background:#000; color: var(--yellow); padding:2px 6px; border:1px solid var(--border); }

::selection{ background: var(--yellow); color:#000; }

/* Scrollbar */
::-webkit-scrollbar{ width:10px; }
::-webkit-scrollbar-track{ background:#000; }
::-webkit-scrollbar-thumb{ background: var(--yellow-dim); border:2px solid #000; }

/* =========================================================
   PRELOADER
========================================================= */
#preloader{
  position:fixed; inset:0; z-index:9999;
  background:#000;
  display:flex; align-items:center; justify-content:center;
  transition: opacity .6s var(--ease), visibility .6s var(--ease);
}
#preloader.hidden{ opacity:0; visibility:hidden; pointer-events:none; }
.preloader-inner{ text-align:center; }
.preloader-star{
  font-size:2.5rem; color: var(--yellow);
  animation: spinPulse 1.4s linear infinite;
  text-shadow: 0 0 20px rgba(245,196,0,.7);
}
@keyframes spinPulse{
  0%{ transform: rotate(0deg) scale(1); }
  50%{ transform: rotate(180deg) scale(1.2); }
  100%{ transform: rotate(360deg) scale(1); }
}
.preloader-text{
  font-family: var(--font-mono);
  color: var(--yellow-bright);
  letter-spacing: 3px;
  margin: 18px 0;
  font-size: .85rem;
}
.preloader-bar{
  width: 220px; height: 4px; background: var(--bg-panel-2);
  border:1px solid var(--border); margin: 0 auto;
}
.preloader-bar-fill{
  height:100%; width:0%; background: var(--yellow);
  box-shadow: 0 0 10px var(--yellow);
  transition: width .15s linear;
}

/* Scanline overlay (tech feel) */
.scanline-overlay{
  position:fixed; inset:0; pointer-events:none; z-index:9000;
  background: repeating-linear-gradient(
    to bottom, rgba(255,255,255,0.02) 0px, rgba(255,255,255,0.02) 1px,
    transparent 2px, transparent 3px
  );
  mix-blend-mode: overlay;
}

/* =========================================================
   NAVBAR
========================================================= */
.navbar{
  position:fixed; top:0; left:0; right:0; z-index:500;
  background: rgba(8,8,6,.85);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--border);
  transition: border-color .3s, background .3s;
}
.navbar.scrolled{ background: rgba(6,6,5,.97); border-bottom-color: var(--yellow-dim); }
.navbar-inner{
  max-width:1200px; margin:0 auto; padding: 12px 24px;
  display:flex; align-items:center; justify-content:space-between;
}
.brand{ display:flex; align-items:center; gap:10px; }
.brand-badge{
  color: var(--yellow); font-size:1.4rem;
  filter: drop-shadow(0 0 6px rgba(245,196,0,.6));
  animation: badgeGlow 3s ease-in-out infinite;
}
@keyframes badgeGlow{
  0%,100%{ filter: drop-shadow(0 0 4px rgba(245,196,0,.4)); }
  50%{ filter: drop-shadow(0 0 12px rgba(245,196,0,.9)); }
}
.brand-text{ display:flex; flex-direction:column; line-height:1.1; }
.brand-text strong{ font-family: var(--font-display); color: var(--yellow); font-size:1.1rem; letter-spacing:2px; }
.brand-text small{ font-family: var(--font-mono); color: var(--text-dim); font-size:.6rem; letter-spacing:2px; }

.nav-links{ display:flex; gap: 6px; }
.nav-link{
  position:relative; padding: 8px 14px; font-family: var(--font-mono);
  font-size:.78rem; letter-spacing:1.5px; text-transform:uppercase;
  color: var(--text-dim); transition: color .25s;
}
.nav-link::after{
  content:''; position:absolute; left:14px; right:14px; bottom:2px; height:2px;
  background: var(--yellow); transform: scaleX(0); transform-origin:left;
  transition: transform .3s var(--ease);
}
.nav-link:hover, .nav-link.active{ color: var(--yellow-bright); }
.nav-link:hover::after, .nav-link.active::after{ transform: scaleX(1); }

.nav-toggle{
  display:none; flex-direction:column; gap:5px; background:none; border:none; cursor:pointer; padding:6px;
}
.nav-toggle span{ width:24px; height:2px; background: var(--yellow); transition: all .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 / INTRODUCCIÓN
========================================================= */
.hero{
  position:relative; min-height:100vh; display:flex; align-items:center; justify-content:center;
  overflow:hidden; padding: 120px 20px 80px;
  text-align:center;
}
.hero-bg{
  position:absolute; inset:0; z-index:-2;
  background:
    radial-gradient(ellipse at 50% 42%, rgba(6,6,4,.35) 0%, rgba(6,6,4,.82) 68%, rgba(6,6,4,.95) 100%),
    linear-gradient(180deg, rgba(6,6,4,.35) 0%, rgba(6,6,4,.55) 55%, #060604 100%),
    url('../assets/img/hero-bg.png'),
    repeating-linear-gradient(135deg, #14140f 0px, #14140f 26px, #191912 26px, #191912 52px);
  background-size: cover, cover, cover, 74px 74px;
  background-position: center, center, top center, center;
  background-repeat: no-repeat, no-repeat, no-repeat, repeat;
}
.hero-grid{
  position:absolute; inset:0; z-index:-1; opacity:.25;
  background-image:
    linear-gradient(rgba(245,196,0,.12) 1px, transparent 1px),
    linear-gradient(90deg, rgba(245,196,0,.12) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: radial-gradient(ellipse at center, black 40%, transparent 80%);
}

.flag-stripe{ position:absolute; bottom:0; left:0; right:0; display:flex; height:10px; z-index:2; }
.flag-stripe.thin{ position:static; height:6px; }
.flag-stripe .flag-yellow{ flex:2; background: var(--yellow); }
.flag-stripe .flag-blue{ flex:1; background: var(--blue); }
.flag-stripe .flag-red{ flex:1; background: var(--red); }

.hero-content{ position:relative; z-index:3; max-width: 780px; }
.hero-tag{
  display:inline-block; font-family: var(--font-mono); font-size:.72rem;
  letter-spacing:3px; color: var(--yellow); border:1px solid var(--yellow-dim);
  padding: 6px 16px; margin-bottom: 26px; background: rgba(245,196,0,.05);
}

.profile-frame{
  position:relative; width:150px; height:150px; margin: 0 auto 22px;
}
.profile-fallback{ position:absolute; inset:0; width:100%; height:100%; }
.profile-photo{
  position:absolute; inset:6px; border-radius:50%;
  background-size:cover; background-position:center;
  border:2px solid var(--yellow); box-shadow: 0 0 25px rgba(245,196,0,.35);
  animation: pulseRing 3s ease-in-out infinite;
}
@keyframes pulseRing{
  0%,100%{ box-shadow: 0 0 18px rgba(245,196,0,.3); }
  50%{ box-shadow: 0 0 32px rgba(245,196,0,.6); }
}
.profile-rank{
  position:absolute; bottom:-6px; left:50%; transform:translateX(-50%);
  background: var(--yellow); color:#000; font-family: var(--font-mono);
  font-size:.62rem; letter-spacing:2px; padding:3px 10px; font-weight:bold;
}

.hero-title{
  font-size: clamp(1.9rem, 6vw, 3.4rem); color: var(--text); line-height:1.25;
  text-shadow: 0 0 30px rgba(0,0,0,.8);
}
.hero-title span{ color: var(--yellow); }

.hero-subtitle{
  font-family: var(--font-mono); color: var(--text-dim); font-size: clamp(.85rem,2.2vw,1.05rem);
  margin: 22px 0 34px; min-height: 1.6em; letter-spacing:.5px;
}
.cursor-blink{ color: var(--yellow); animation: blink 1s step-end infinite; }
@keyframes blink{ 50%{ opacity:0; } }

.hero-buttons{ display:flex; gap:16px; justify-content:center; flex-wrap:wrap; }

/* Buttons */
.btn{
  position:relative; overflow:hidden; display:inline-block;
  font-family: var(--font-mono); text-transform:uppercase; letter-spacing:2px;
  font-size:.8rem; padding: 14px 30px; border:2px solid var(--yellow);
  transition: transform .2s var(--ease), box-shadow .2s var(--ease);
  clip-path: polygon(10px 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%, 0 10px);
}
.btn:active{ transform: scale(.95); }
.btn-primary{ background: var(--yellow); color:#000; font-weight:600; }
.btn-primary:hover{ box-shadow: 0 0 25px rgba(245,196,0,.6); transform: translateY(-2px); }
.btn-outline{ background: transparent; color: var(--yellow); }
.btn-outline:hover{ background: rgba(245,196,0,.1); box-shadow: 0 0 20px rgba(245,196,0,.3); transform: translateY(-2px); }
.btn .ripple{
  position:absolute; border-radius:50%; background: rgba(255,255,255,.5);
  transform: scale(0); animation: rippleAnim .55s ease-out; pointer-events:none;
}
@keyframes rippleAnim{ to{ transform: scale(3); opacity:0; } }

.scroll-indicator{
  position:absolute; bottom:26px; left:50%; transform:translateX(-50%); z-index:3;
}
.scroll-indicator span{
  display:block; width:22px; height:34px; border:2px solid var(--yellow); border-radius:12px; position:relative;
}
.scroll-indicator span::before{
  content:''; position:absolute; top:6px; left:50%; width:4px; height:8px; background: var(--yellow);
  transform:translateX(-50%); border-radius:2px; animation: scrollDot 1.6s ease-in-out infinite;
}
@keyframes scrollDot{ 0%{ opacity:1; top:6px; } 70%{ opacity:0; top:18px; } 100%{ opacity:0; top:6px; } }

/* =========================================================
   SECTIONS (general)
========================================================= */
.section{ padding: 100px 20px; position:relative; }
.section-alt{ background: var(--bg-panel); border-top:1px solid var(--border); border-bottom:1px solid var(--border); }
.section-inner{ max-width:1100px; margin:0 auto; }

.section-title{
  font-size: clamp(1.5rem, 4vw, 2.3rem); color: var(--text); margin-bottom:14px;
  display:flex; align-items:center; gap:16px;
}
.tag-number{
  font-family: var(--font-mono); color:#000; background: var(--yellow);
  font-size:.85rem; padding: 6px 12px;
}
.section-desc{ color: var(--text-dim); max-width:680px; margin-bottom:50px; line-height:1.7; }

.subsection-title{
  font-size: 1.2rem; color: var(--yellow); margin: 42px 0 20px; padding-left:14px;
  border-left: 3px solid var(--yellow);
}

/* Reveal on scroll */
.reveal{ opacity:0; transform: translateY(36px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.visible{ opacity:1; transform: translateY(0); }

/* =========================================================
   GALLERY
========================================================= */
.gallery-grid{
  display:grid; grid-template-columns: repeat(auto-fit, minmax(240px,1fr)); gap:22px;
}
.gallery-item{
  position:relative; height:230px; background-color: var(--bg-panel-2);
  background-size: cover; background-position:center;
  border:1px solid var(--border); cursor: pointer; overflow:hidden;
  display:flex; align-items:center; justify-content:center;
  transition: transform .35s var(--ease), border-color .35s;
}
.gallery-item::before{
  content:''; position:absolute; inset:0;
  background: linear-gradient(180deg, transparent 40%, rgba(0,0,0,.85) 100%);
}
.gallery-icon{
  font-size:2.6rem; opacity:.5; filter: grayscale(.3);
  transition: transform .4s var(--ease), opacity .4s;
}
.gallery-item:hover{ transform: scale(1.04) translateY(-4px); border-color: var(--yellow); z-index:2; }
.gallery-item:hover .gallery-icon{ transform: scale(1.15) rotate(-4deg); opacity:.85; }
.gallery-item.has-photo::before{ background: linear-gradient(180deg, rgba(0,0,0,.1) 30%, rgba(0,0,0,.9) 100%); }
.gallery-overlay{
  position:absolute; left:0; right:0; bottom:0; padding: 16px; z-index:1;
  transform: translateY(6px); transition: transform .35s var(--ease);
}
.gallery-item:hover .gallery-overlay{ transform: translateY(0); }
.gallery-overlay h3{ font-family: var(--font-body); font-weight:600; font-size:1rem; color: var(--yellow-bright); letter-spacing:1px; }
.gallery-overlay p{ font-family: var(--font-mono); font-size:.75rem; color: var(--text-dim); margin:4px 0 0; }

/* Lightbox */
.lightbox{
  position:fixed; inset:0; background: rgba(0,0,0,.94); z-index:2000;
  display:flex; align-items:center; justify-content:center;
  opacity:0; visibility:hidden; transition: opacity .3s, visibility .3s;
}
.lightbox.open{ opacity:1; visibility:visible; }
.lightbox-frame{ max-width:800px; width:90%; text-align:center; }
.lightbox-img{
  width:100%; height:52vh; background-size:cover; background-position:center;
  background-color: var(--bg-panel-2); border:2px solid var(--yellow); margin-bottom:20px;
}
.lightbox-frame h3{ font-family: var(--font-body); font-weight:600; color: var(--yellow-bright); font-size:1.3rem; }
.lightbox-frame p{ font-family: var(--font-mono); color: var(--text-dim); }
.lightbox-close{
  position:absolute; top:24px; right:30px; background:none; border:2px solid var(--yellow);
  color: var(--yellow); width:42px; height:42px; font-size:1.1rem; cursor:pointer;
}
.lightbox-close:hover{ background: var(--yellow); color:#000; }

/* =========================================================
   DATOS PERSONALES
========================================================= */
.data-grid{ display:grid; grid-template-columns: repeat(auto-fit, minmax(300px,1fr)); gap:26px; }
.data-card{
  background: var(--bg-panel-2); border:1px solid var(--border); padding: 30px;
  position:relative; transition: border-color .3s, transform .3s;
}
.data-card::before{
  content:''; position:absolute; top:0; left:0; width:26px; height:26px;
  border-top:2px solid var(--yellow); border-left:2px solid var(--yellow);
}
.data-card::after{
  content:''; position:absolute; bottom:0; right:0; width:26px; height:26px;
  border-bottom:2px solid var(--yellow); border-right:2px solid var(--yellow);
}
.data-card:hover{ transform: translateY(-4px); border-color: var(--yellow-dim); }
.data-card-title{
  font-family: var(--font-body); font-weight:600; color: var(--yellow); font-size:1.1rem;
  text-transform:uppercase; letter-spacing:1px; margin-bottom:20px;
}
.data-list li{
  display:flex; justify-content:space-between; gap:14px; padding: 11px 0;
  border-bottom: 1px dashed var(--border); font-size:.92rem; flex-wrap:wrap;
}
.data-list li:last-child{ border-bottom:none; }
.data-list span{ color: var(--text-dim); font-family: var(--font-mono); font-size:.78rem; text-transform:uppercase; letter-spacing:1px; flex-shrink:0; }
.data-list strong{ color: var(--text); font-weight:500; text-align:right; flex:1; }

/* =========================================================
   CURSOS REALIZADOS
========================================================= */
.degree-line{ font-size:1.05rem; color: var(--text); line-height:1.7; max-width:700px; }
.degree-line em{ color: var(--yellow); font-style:normal; }

.course-grid{ display:grid; grid-template-columns: repeat(auto-fit, minmax(230px,1fr)); gap:18px; }
.course-card{
  background: var(--bg-panel-2); border:1px solid var(--border); padding:20px;
  transition: border-color .3s, transform .3s;
}
.course-card:hover{ border-color: var(--yellow); transform: translateY(-3px); }
.course-year{ font-family: var(--font-mono); color: var(--yellow); font-size:.85rem; }
.course-card h4{ font-family: var(--font-body); font-weight:500; font-size:1rem; margin: 10px 0 14px; color:var(--text); }
.badge-approved{
  font-family: var(--font-mono); font-size:.68rem; letter-spacing:1px; color:#0d0d0a;
  background: var(--yellow); padding:4px 10px; display:inline-block;
}

.badge-row{ display:flex; flex-wrap:wrap; gap:14px; }
.specialty-badge{
  font-family: var(--font-mono); font-size:.82rem; border:1px solid var(--yellow-dim);
  padding: 10px 16px; background: rgba(245,196,0,.05); display:flex; align-items:center; gap:8px;
  transition: background .3s, border-color .3s;
}
.specialty-badge:hover{ background: rgba(245,196,0,.15); border-color: var(--yellow); }
.specialty-badge em{ color: var(--text-dim); font-style:normal; }

.skills-grid{ display:grid; grid-template-columns: repeat(auto-fit, minmax(240px,1fr)); gap:30px; margin-top:10px; }
.skill-line{ color: var(--text); }
.skill-list li{
  padding: 8px 0 8px 20px; position:relative; color: var(--text); font-size:.92rem;
  border-bottom: 1px dashed var(--border);
}
.skill-list li::before{ content:'▸'; position:absolute; left:0; color: var(--yellow); }

/* =========================================================
   TRAYECTORIA - TIMELINE
========================================================= */
.timeline{ position:relative; margin-left: 10px; padding-left: 30px; border-left: 2px solid var(--border); }
.timeline-item{ position:relative; padding-bottom: 34px; }
.timeline-item:last-child{ padding-bottom:0; }
.timeline-dot{
  position:absolute; left:-38px; top:2px; width:14px; height:14px; border-radius:50%;
  background: var(--bg); border:2px solid var(--yellow);
}
.timeline-item.current .timeline-dot{
  background: var(--yellow); box-shadow: 0 0 12px var(--yellow); animation: pulseRing 2s infinite;
}
.timeline-date{ font-family: var(--font-mono); color: var(--yellow); font-size:.78rem; letter-spacing:1px; }
.timeline-item h4{ font-family: var(--font-body); font-weight:600; font-size:1.05rem; margin:6px 0 4px; color: var(--text); }
.timeline-item p{ color: var(--text-dim); font-size:.88rem; margin:0; }

/* Rank table */
.table-wrap{ overflow-x:auto; }
.rank-table{ width:100%; border-collapse:collapse; font-size:.9rem; min-width:480px; }
.rank-table th{
  font-family: var(--font-mono); text-transform:uppercase; letter-spacing:1px; font-size:.72rem;
  color:#000; background: var(--yellow); padding: 12px 16px; text-align:left;
}
.rank-table td{ padding: 12px 16px; border-bottom:1px solid var(--border); color: var(--text); }
.rank-table tr:hover td{ background: rgba(245,196,0,.06); }
.rank-current{ color: var(--yellow-bright) !important; font-weight:600; }

/* Medals */
.medal-grid{ display:grid; grid-template-columns: repeat(auto-fit, minmax(240px,1fr)); gap:20px; }
.medal-card{
  background: var(--bg-panel-2); border:1px solid var(--border); padding:22px; text-align:center;
  transition: transform .3s, border-color .3s;
}
.medal-card:hover{ transform: translateY(-6px); border-color: var(--yellow); }
.medal-icon{ font-size:2.2rem; display:block; margin-bottom:12px; }
.medal-card h4{ font-family: var(--font-body); font-weight:500; font-size:.92rem; color: var(--text); line-height:1.4; }
.medal-year{ font-family: var(--font-mono); color: var(--yellow); font-size:.78rem; display:block; margin-top:10px; }

/* Stats */
.stats-grid{ display:grid; grid-template-columns: repeat(auto-fit, minmax(200px,1fr)); gap:20px; text-align:center; }
.stat-card{ background: var(--bg-panel-2); border:1px solid var(--border); padding: 34px 20px; }
.stat-number{ font-family: var(--font-display); font-size:2.4rem; color: var(--yellow); display:block; }
.stat-text{ font-family: var(--font-display); font-size:1.7rem; color: var(--yellow); display:block; }
.stat-card p{ color: var(--text-dim); font-size:.85rem; margin-top:10px; line-height:1.5; }
.stat-card small{ color: var(--text-dim); }

/* =========================================================
   FOOTER
========================================================= */
.footer{ background:#000; text-align:center; }
.footer-inner{ padding: 40px 20px 30px; }
.footer-brand{ font-family: var(--font-display); color: var(--yellow); font-size:1.1rem; letter-spacing:1px; }
.footer-sub{ color: var(--text-dim); font-family: var(--font-mono); font-size:.8rem; margin-top:6px; }
.footer-contact{ color: var(--text); font-family: var(--font-mono); font-size:.82rem; margin-top:14px; }
.footer-copy{ color:#555; font-size:.75rem; margin-top:16px; }

/* Scroll to top */
.scroll-top{
  position:fixed; right:22px; bottom:22px; z-index:600;
  width:46px; height:46px; background: var(--yellow); color:#000; border:none;
  font-size:1rem; cursor:pointer; opacity:0; visibility:hidden; transform: translateY(10px);
  transition: opacity .3s, transform .3s, visibility .3s;
  clip-path: polygon(8px 0,100% 0,100% calc(100% - 8px),calc(100% - 8px) 100%,0 100%,0 8px);
}
.scroll-top.show{ opacity:1; visibility:visible; transform:translateY(0); }
.scroll-top:hover{ box-shadow: 0 0 18px rgba(245,196,0,.6); }

/* =========================================================
   RESPONSIVE
========================================================= */
@media (max-width: 820px){
  .nav-links{
    position:fixed; top:64px; left:0; right:0; background: rgba(6,6,5,.98);
    flex-direction:column; padding: 10px 0; border-bottom:1px solid var(--border);
    transform: translateY(-130%); transition: transform .35s var(--ease);
  }
  .nav-links.open{ transform: translateY(0); }
  .nav-link{ padding: 14px 24px; }
  .nav-toggle{ display:flex; }
}
@media (max-width:480px){
  .hero-buttons{ flex-direction:column; align-items:stretch; }
  .btn{ text-align:center; }
}

@media (prefers-reduced-motion: reduce){
  *{ animation-duration:.01ms !important; animation-iteration-count:1 !important; transition-duration:.01ms !important; }
}