/* =============================================================
   VARIABLES
============================================================= */
:root{
  --bg-0:#0a0e14;
  --bg-1:#0f1621;
  --bg-2:#141d2b;
  --bg-card:#161f2e;
  --border:#243247;
  --border-soft:#1c2635;

  --text-0:#eef2f7;
  --text-1:#c3ccd9;
  --text-2:#8695ab;
  --text-3:#5b6879;

  --accent:#22d3ee;
  --accent-dim:#0891b2;
  --accent-soft:rgba(34,211,238,.12);
  --accent-2:#34d399;
  --accent-2-soft:rgba(52,211,153,.12);

  --danger:#f87171;

  --font-display:'Space Grotesk', sans-serif;
  --font-body:'Inter', sans-serif;
  --font-mono:'JetBrains Mono', monospace;

  --radius:14px;
  --radius-sm:8px;
  --shadow-lg:0 20px 60px -20px rgba(0,0,0,.6);
  --ease:cubic-bezier(.16,.8,.28,1);
}

*,*::before,*::after{ box-sizing:border-box; }

html{ scroll-behavior:smooth; }

@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  *,*::before,*::after{ animation-duration:.01ms !important; animation-iteration-count:1 !important; transition-duration:.01ms !important; }
}

body{
  margin:0;
  background:var(--bg-0);
  color:var(--text-1);
  font-family:var(--font-body);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

img{ max-width:100%; display:block; }

a{ color:inherit; text-decoration:none; }

ul{ margin:0; padding:0; list-style:none; }

h1,h2,h3{ font-family:var(--font-display); color:var(--text-0); margin:0; }

::selection{ background:var(--accent); color:var(--bg-0); }

/* scrollbar */
::-webkit-scrollbar{ width:10px; }
::-webkit-scrollbar-track{ background:var(--bg-0); }
::-webkit-scrollbar-thumb{ background:var(--border); border-radius:10px; }
::-webkit-scrollbar-thumb:hover{ background:var(--accent-dim); }

/* =============================================================
   TOP CHROME: scanline + progress bar
============================================================= */
.scan-line{
  position:fixed; inset:0 0 auto 0; height:2px; z-index:9999; pointer-events:none;
  background:linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity:.5;
  animation:scan 6s linear infinite;
}
@keyframes scan{
  0%{ transform:translateY(0); opacity:0; }
  10%{ opacity:.6; }
  90%{ opacity:.6; }
  100%{ transform:translateY(100vh); opacity:0; }
}

.progress-bar{
  position:fixed; top:0; left:0; height:3px; width:0%;
  background:linear-gradient(90deg, var(--accent), var(--accent-2));
  z-index:1001;
  transition:width .1s linear;
  box-shadow:0 0 12px var(--accent);
}

/* =============================================================
   NAVBAR
============================================================= */
.navbar{
  position:fixed; top:0; left:0; right:0; z-index:1000;
  display:flex; align-items:center; justify-content:space-between;
  padding:16px clamp(20px,5vw,56px);
  background:rgba(10,14,20,.7);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:background .3s var(--ease), border-color .3s var(--ease), padding .3s var(--ease);
}
.navbar.scrolled{
  padding:10px clamp(20px,5vw,56px);
  border-bottom-color:var(--border-soft);
  background:rgba(10,14,20,.92);
}

.nav-logo{
  display:flex; align-items:center; gap:10px;
  font-family:var(--font-mono); font-weight:600; letter-spacing:.5px;
  color:var(--text-0); font-size:1rem;
}
.nav-logo i{ color:var(--accent); font-size:1.1rem; }
.nav-logo .dot{ color:var(--accent); animation:blink 1.2s step-end infinite; }
@keyframes blink{ 50%{ opacity:0; } }

.nav-links{ display:flex; gap:4px; }
.nav-link{
  display:flex; align-items:center; gap:8px;
  padding:9px 14px; border-radius:999px;
  font-size:.86rem; font-weight:500; color:var(--text-2);
  transition:color .25s var(--ease), background .25s var(--ease);
  position:relative;
}
.nav-link i{ font-size:.82rem; color:var(--text-3); transition:color .25s var(--ease); }
.nav-link:hover{ color:var(--text-0); background:var(--bg-2); }
.nav-link:hover i{ color:var(--accent); }
.nav-link.active{ color:var(--accent); background:var(--accent-soft); }
.nav-link.active i{ color:var(--accent); }

.nav-toggle{
  display:none; flex-direction:column; justify-content:center; gap:5px;
  width:38px; height:38px; background:var(--bg-2); border:1px solid var(--border);
  border-radius:8px; cursor:pointer;
}
.nav-toggle span{ height:2px; width:18px; margin:0 auto; background:var(--text-1); border-radius:2px; transition:transform .3s var(--ease), opacity .3s var(--ease); }
.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;
  padding:120px clamp(20px,6vw,56px) 80px;
  overflow:hidden;
  background:
    radial-gradient(1100px 600px at 85% 8%, rgba(34,211,238,.10), transparent 60%),
    radial-gradient(900px 500px at 10% 90%, rgba(52,211,153,.07), transparent 60%),
    var(--bg-0);
}

.matrix-canvas{ position:absolute; inset:0; width:100%; height:100%; opacity:.5; }
.matrix-canvas--dim{ opacity:.22; }

.hero-grid-overlay{
  position:absolute; inset:0;
  background-image:
    linear-gradient(rgba(34,211,238,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(34,211,238,.05) 1px, transparent 1px);
  background-size:42px 42px;
  mask-image:radial-gradient(circle at 50% 40%, black, transparent 75%);
  pointer-events:none;
}

.hero-content{
  position:relative; z-index:2;
  max-width:1200px; margin:0 auto; width:100%;
  display:grid; grid-template-columns:1.15fr .85fr; gap:56px; align-items:center;
}

.hero-eyebrow{
  display:inline-flex; align-items:center; gap:8px;
  font-family:var(--font-mono); font-size:.8rem; color:var(--accent-2);
  border:1px solid var(--border); background:var(--bg-1);
  padding:6px 14px; border-radius:999px; margin:0 0 22px;
}
.hero-eyebrow i{ color:var(--accent-2); }
.typed-status::after{ content:''; }

.hero-name{
  font-size:clamp(2.4rem, 5vw, 3.6rem);
  line-height:1.08; font-weight:700; letter-spacing:-.02em;
  margin-bottom:14px;
}
.hero-name .highlight{
  background:linear-gradient(90deg, var(--accent), var(--accent-2));
  -webkit-background-clip:text; background-clip:text; color:transparent;
}

.hero-role{
  font-family:var(--font-mono); font-size:clamp(1rem,2vw,1.25rem);
  color:var(--text-1); min-height:1.6em; margin-bottom:20px;
}
.hero-role .cursor{ color:var(--accent); animation:blink 1s step-end infinite; }

.hero-desc{ max-width:52ch; color:var(--text-2); font-size:1rem; margin-bottom:24px; }

.hero-tags{ display:flex; gap:10px; flex-wrap:wrap; margin-bottom:30px; }
.tag{
  display:inline-flex; align-items:center; gap:8px;
  padding:8px 16px; border-radius:999px; font-size:.85rem; font-weight:600;
  border:1px solid var(--border);
}
.tag-primary{ background:var(--accent-soft); color:var(--accent); border-color:rgba(34,211,238,.3); }
.tag-accent{ background:var(--accent-2-soft); color:var(--accent-2); border-color:rgba(52,211,153,.3); }

.hero-actions{ display:flex; gap:14px; flex-wrap:wrap; margin-bottom:44px; }
.btn{
  display:inline-flex; align-items:center; gap:10px;
  padding:13px 24px; border-radius:10px; font-weight:600; font-size:.92rem;
  transition:transform .25s var(--ease), box-shadow .25s var(--ease), background .25s var(--ease), border-color .25s var(--ease);
  cursor:pointer; border:1px solid transparent;
}
.btn-primary{ background:linear-gradient(135deg, var(--accent), var(--accent-dim)); color:#04141a; box-shadow:0 10px 30px -10px rgba(34,211,238,.55); }
.btn-primary:hover{ transform:translateY(-3px); box-shadow:0 16px 34px -10px rgba(34,211,238,.7); }
.btn-outline{ background:transparent; border-color:var(--border); color:var(--text-0); }
.btn-outline:hover{ border-color:var(--accent); color:var(--accent); transform:translateY(-3px); }

.hero-stats{ display:flex; gap:36px; flex-wrap:wrap; }
.stat{ display:flex; flex-direction:column; }
.stat-num{ font-family:var(--font-display); font-size:1.9rem; font-weight:700; color:var(--text-0); }
.stat-suffix{ font-family:var(--font-display); font-size:1.9rem; font-weight:700; color:var(--accent); }
.stat-label{ font-size:.78rem; color:var(--text-3); margin-top:2px; }

/* hero photo */
.hero-photo-wrap{ display:flex; justify-content:center; }
.hex-frame{ position:relative; width:min(320px, 78vw); aspect-ratio:1/1; }

.hex-ring{
  position:absolute; inset:0; z-index:1; border-radius:50%;
  background:conic-gradient(from 0deg, var(--accent), var(--accent-2), var(--accent));
  animation:spin-ring 7s linear infinite;
}
@keyframes spin-ring{ to{ transform:rotate(360deg); } }

.hex-clip{
  position:absolute; inset:8px; z-index:2; border-radius:50%;
  overflow:hidden;
  background:var(--bg-2);
  box-shadow:0 25px 60px -20px rgba(0,0,0,.7);
}
.hero-photo{ width:100%; height:100%; object-fit:cover; display:block; }

.scroll-indicator{
  position:absolute; bottom:26px; left:50%; transform:translateX(-50%);
  display:flex; flex-direction:column; align-items:center; gap:6px;
  font-family:var(--font-mono); font-size:.72rem; color:var(--text-3);
  letter-spacing:.12em; z-index:2;
  animation:bob 2.2s ease-in-out infinite;
}
@keyframes bob{ 0%,100%{ transform:translate(-50%,0); } 50%{ transform:translate(-50%,8px); } }

/* =============================================================
   SECTIONS (generic)
============================================================= */
.section{ position:relative; padding:110px clamp(20px,6vw,56px); }
.section-alt{ background:var(--bg-1); }
.section-inner{ max-width:1160px; margin:0 auto; }

.section-title{
  display:flex; align-items:center; gap:14px;
  font-size:clamp(1.6rem,3vw,2.2rem); font-weight:700;
  margin-bottom:52px; position:relative; padding-bottom:18px;
}
.section-title i{ color:var(--accent); font-size:.85em; }
.section-title::after{
  content:''; position:absolute; left:0; bottom:0; width:64px; height:3px;
  background:linear-gradient(90deg, var(--accent), var(--accent-2)); border-radius:3px;
}

/* reveal animation */
[data-reveal]{ opacity:0; transform:translateY(28px); transition:opacity .7s var(--ease), transform .7s var(--ease); }
[data-reveal].in-view{ opacity:1; transform:translateY(0); }

/* =============================================================
   ACERCA DE MI
============================================================= */
.about-grid{ display:grid; grid-template-columns:1.4fr 1fr; gap:40px; align-items:stretch; }
.about-card{
  background:var(--bg-card); border:1px solid var(--border); border-radius:var(--radius);
  padding:36px; position:relative; overflow:hidden;
}
.about-card::before{
  content:''; position:absolute; top:0; left:0; width:4px; height:100%;
  background:linear-gradient(180deg, var(--accent), var(--accent-2));
}
.lead-text{ font-size:1.02rem; color:var(--text-1); margin:0 0 16px; }
.lead-text:last-child{ margin-bottom:0; }
.lead-text strong{ color:var(--text-0); }

.specialty-panel{
  background:var(--bg-card); border:1px solid var(--border); border-radius:var(--radius);
  padding:32px; display:flex; flex-direction:column; align-items:center; justify-content:center; gap:6px;
}
.specialty-item{ display:flex; align-items:center; gap:16px; width:100%; }
.specialty-icon{
  width:52px; height:52px; border-radius:12px; flex-shrink:0;
  display:flex; align-items:center; justify-content:center; font-size:1.3rem;
  background:var(--accent-soft); color:var(--accent); border:1px solid rgba(34,211,238,.3);
}
.specialty-item--accent .specialty-icon{ background:var(--accent-2-soft); color:var(--accent-2); border-color:rgba(52,211,153,.3); }
.specialty-tag{ font-family:var(--font-mono); font-size:.72rem; color:var(--text-3); text-transform:uppercase; letter-spacing:.08em; }
.specialty-item h3{ font-size:1.15rem; margin-top:2px; }
.specialty-divider{ color:var(--text-3); margin:8px 0; animation:bob 2s ease-in-out infinite; }

/* =============================================================
   TIMELINE (educacion / experiencia)
============================================================= */
.timeline{ position:relative; padding-left:32px; }
.timeline::before{
  content:''; position:absolute; left:9px; top:6px; bottom:6px; width:2px;
  background:linear-gradient(180deg, var(--accent), var(--border) 90%);
}
.timeline-item{ position:relative; margin-bottom:36px; }
.timeline-item:last-child{ margin-bottom:0; }

.timeline-dot{
  position:absolute; left:-32px; top:4px; width:20px; height:20px; border-radius:50%;
  background:var(--bg-1); border:2px solid var(--border);
  display:flex; align-items:center; justify-content:center; font-size:.6rem; color:var(--text-3);
  z-index:2;
}
.timeline-dot--active{
  border-color:var(--accent); color:var(--accent); background:var(--accent-soft);
  box-shadow:0 0 0 6px var(--accent-soft);
}

.timeline-card{
  background:var(--bg-card); border:1px solid var(--border); border-radius:var(--radius);
  padding:24px 28px; transition:transform .3s var(--ease), border-color .3s var(--ease), box-shadow .3s var(--ease);
}
.timeline-card:hover{ transform:translateX(6px); border-color:var(--accent-dim); box-shadow:var(--shadow-lg); }
.timeline-card--active{ border-color:rgba(34,211,238,.4); }

.timeline-date{
  display:inline-flex; align-items:center; gap:8px;
  font-family:var(--font-mono); font-size:.78rem; color:var(--accent); margin-bottom:8px;
}
.pill{ background:var(--accent-2-soft); color:var(--accent-2); padding:2px 10px; border-radius:999px; font-size:.68rem; font-weight:700; text-transform:uppercase; letter-spacing:.05em; }

.timeline-card h3{ font-size:1.15rem; margin-bottom:4px; }
.timeline-org{ display:flex; align-items:center; gap:8px; color:var(--text-2); font-size:.88rem; margin:0 0 12px; }
.timeline-org i{ color:var(--text-3); }
.timeline-card ul{ display:flex; flex-direction:column; gap:8px; }
.timeline-card li{ position:relative; padding-left:18px; color:var(--text-2); font-size:.9rem; }
.timeline-card li::before{ content:''; position:absolute; left:0; top:.55em; width:6px; height:6px; border-radius:50%; background:var(--accent); }

/* =============================================================
   HABILIDADES
============================================================= */
.skills-grid{ display:grid; grid-template-columns:repeat(3, 1fr); gap:22px; }
.skill-card{
  background:var(--bg-card); border:1px solid var(--border); border-radius:var(--radius);
  padding:30px 24px; text-align:center;
  transition:transform .35s var(--ease), border-color .35s var(--ease), box-shadow .35s var(--ease);
}
.skill-card:hover{ transform:translateY(-8px); border-color:var(--accent-dim); box-shadow:var(--shadow-lg); }
.skill-icon{
  width:56px; height:56px; margin:0 auto 18px; border-radius:14px;
  display:flex; align-items:center; justify-content:center; font-size:1.4rem;
  background:var(--accent-soft); color:var(--accent);
  transition:transform .35s var(--ease);
}
.skill-card:hover .skill-icon{ transform:rotate(-8deg) scale(1.08); }
.skill-card h3{ font-size:1.02rem; margin-bottom:4px; }
.skill-card p{ margin:0; font-size:.85rem; color:var(--text-3); }

/* =============================================================
   IDIOMAS
============================================================= */
.lang-grid{ display:grid; grid-template-columns:repeat(2, 1fr); gap:24px; }
.lang-card{ background:var(--bg-card); border:1px solid var(--border); border-radius:var(--radius); padding:28px; }
.lang-head{ display:flex; align-items:center; gap:16px; margin-bottom:18px; }
.flag{ font-size:2rem; }
.lang-head h3{ font-size:1.1rem; }
.lang-level{ font-size:.8rem; color:var(--accent); font-family:var(--font-mono); }
.lang-bar{ height:8px; border-radius:999px; background:var(--bg-1); border:1px solid var(--border); overflow:hidden; }
.lang-fill{
  height:100%; width:0%; border-radius:999px;
  background:linear-gradient(90deg, var(--accent), var(--accent-2));
  transition:width 1.4s var(--ease);
}

/* =============================================================
   REFERENCIAS
============================================================= */
.ref-grid{ display:grid; grid-template-columns:repeat(2, 1fr); gap:24px; }
.ref-card{
  background:var(--bg-card); border:1px solid var(--border); border-radius:var(--radius);
  padding:30px; text-align:center;
  transition:transform .3s var(--ease), border-color .3s var(--ease), box-shadow .3s var(--ease);
}
.ref-card:hover{ transform:translateY(-6px); border-color:var(--accent-dim); box-shadow:var(--shadow-lg); }
.ref-avatar{
  width:64px; height:64px; margin:0 auto 16px; border-radius:50%;
  display:flex; align-items:center; justify-content:center; font-size:1.5rem;
  background:var(--accent-2-soft); color:var(--accent-2); border:1px solid rgba(52,211,153,.3);
}
.ref-card h3{ font-size:1.05rem; margin-bottom:8px; }
.ref-card a{ display:inline-flex; align-items:center; gap:8px; color:var(--text-2); font-size:.9rem; transition:color .25s; }
.ref-card a:hover{ color:var(--accent); }

/* =============================================================
   CONTACTO
============================================================= */
.section-contact{
  position:relative; overflow:hidden;
  background:radial-gradient(900px 500px at 50% 0%, rgba(34,211,238,.08), transparent 65%), var(--bg-0);
}
.contact-lead{ color:var(--text-2); margin:-30px 0 40px; font-size:1.02rem; }
.contact-grid{ display:grid; grid-template-columns:repeat(3, 1fr); gap:22px; position:relative; z-index:2; }
.contact-card{
  background:var(--bg-card); border:1px solid var(--border); border-radius:var(--radius);
  padding:30px 24px; display:flex; flex-direction:column; gap:6px;
  transition:transform .3s var(--ease), border-color .3s var(--ease), box-shadow .3s var(--ease);
}
.contact-card:not(.contact-card--static):hover{ transform:translateY(-8px); border-color:var(--accent); box-shadow:var(--shadow-lg); }
.contact-icon{
  width:48px; height:48px; border-radius:12px; margin-bottom:8px;
  display:flex; align-items:center; justify-content:center; font-size:1.15rem;
  background:var(--accent-soft); color:var(--accent);
}
.contact-label{ font-size:.75rem; text-transform:uppercase; letter-spacing:.08em; color:var(--text-3); font-family:var(--font-mono); }
.contact-value{ font-size:1rem; color:var(--text-0); font-weight:600; word-break:break-word; }

/* =============================================================
   FOOTER
============================================================= */
.footer{
  text-align:center; padding:30px 20px; color:var(--text-3);
  font-size:.85rem; border-top:1px solid var(--border-soft); background:var(--bg-1);
}

/* back to top */
.back-to-top{
  position:fixed; right:26px; bottom:26px; z-index:900;
  width:46px; height:46px; border-radius:50%; border:1px solid var(--border);
  background:var(--bg-card); color:var(--accent); font-size:1rem;
  display:flex; align-items:center; justify-content:center; cursor:pointer;
  box-shadow:var(--shadow-lg);
  opacity:0; visibility:hidden; transform:translateY(12px);
  transition:opacity .3s var(--ease), transform .3s var(--ease), visibility .3s, border-color .3s;
}
.back-to-top.show{ opacity:1; visibility:visible; transform:translateY(0); }
.back-to-top:hover{ border-color:var(--accent); }

/* =============================================================
   RESPONSIVE
============================================================= */
@media (max-width:980px){
  .hero-content{ grid-template-columns:1fr; }
  .hero-photo-wrap{ order:-1; }
  .hex-frame{ width:min(280px, 70vw); }
  .about-grid{ grid-template-columns:1fr; }
  .skills-grid{ grid-template-columns:repeat(2, 1fr); }
  .contact-grid{ grid-template-columns:1fr; }
}

@media (max-width:760px){
  .nav-links{
    position:fixed; top:64px; left:16px; right:16px;
    flex-direction:column; gap:4px; padding:14px;
    background:var(--bg-1); border:1px solid var(--border-soft); border-radius:var(--radius);
    box-shadow:var(--shadow-lg);
    transform:translateY(-14px) scale(.98); opacity:0; visibility:hidden; pointer-events:none;
    transition:all .3s var(--ease);
  }
  .nav-links.open{ transform:translateY(0) scale(1); opacity:1; visibility:visible; pointer-events:auto; }
  .nav-link{ width:100%; }
  .nav-toggle{ display:flex; }
  .lang-grid{ grid-template-columns:1fr; }
  .ref-grid{ grid-template-columns:1fr; }
  .skills-grid{ grid-template-columns:1fr; }
  .hero-stats{ gap:24px; }
  .section{ padding:80px 20px; }
}