:root{
  --navy-950:#0a0f1f;
  --navy-900:#0e1730;
  --navy-800:#141f42;
  --steel-700:#26425a;
  --steel-600:#345272;
  --blue-400:#86a8cf;
  --pink-100:#e1cbd7;
  --mauve-400:#c38eb4;
  --text-hi:#f3f0f3;
  --text-mid:#b9c2d6;
  --text-low:#7b869e;
  --mono: "SF Mono", "Roboto Mono", "Courier New", monospace;
  --sans: "Helvetica Neue", Helvetica, Arial, sans-serif;
}

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

html{scroll-behavior:smooth;}

body{
  font-family:var(--sans);
  background:
    radial-gradient(60% 40% at 15% 0%, rgba(195,142,180,0.16), transparent 60%),
    radial-gradient(50% 35% at 100% 10%, rgba(134,168,207,0.14), transparent 60%),
    radial-gradient(70% 50% at 50% 100%, rgba(38,66,90,0.35), transparent 70%),
    var(--navy-950);
  color:var(--text-hi);
  min-height:100vh;
  overflow-x:hidden;
}

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

.wrap{max-width:1120px; margin:0 auto; padding:0 28px;}

/* ---------- Header ---------- */
header{
  position:sticky; top:0; z-index:50;
  backdrop-filter: blur(14px);
  background:rgba(10,15,31,0.72);
  border-bottom:1px solid rgba(134,168,207,0.14);
}
.nav{
  display:flex; align-items:center; justify-content:space-between;
  padding:18px 28px;
}
.brand{
  font-weight:700; font-size:17px; letter-spacing:0.02em;
  display:flex; align-items:center; gap:10px;
}
.brand .dot{
  width:9px;height:9px;border-radius:50%;
  background:var(--mauve-400);
  box-shadow:0 0 12px 2px rgba(195,142,180,0.7);
}
.brand small{
  font-family:var(--mono); font-weight:400; font-size:12px;
  color:var(--text-low); margin-left:2px;
}
nav.links{display:flex; gap:32px; font-size:14px; color:var(--text-mid);}
nav.links a{transition:color .2s ease;}
nav.links a:hover{color:var(--pink-100);}
.nav-toggle{display:none; background:none; border:0; color:var(--text-hi); font-size:22px; cursor:pointer;}

@media (max-width:760px){
  nav.links{
    position:absolute; top:100%; left:0; right:0;
    flex-direction:column; gap:0;
    background:rgba(10,15,31,0.97);
    border-bottom:1px solid rgba(134,168,207,0.14);
    max-height:0; overflow:hidden;
    transition:max-height .3s ease;
  }
  nav.links.open{max-height:260px;}
  nav.links a{padding:16px 28px; border-top:1px solid rgba(134,168,207,0.08);}
  .nav-toggle{display:block;}
}

/* ---------- Hero ---------- */
.hero{
  padding:96px 0 80px;
  display:grid; grid-template-columns:1.05fr 0.95fr; gap:56px; align-items:center;
}
@media (max-width:900px){ .hero{grid-template-columns:1fr; padding:56px 0 48px;} }

.eyebrow{
  font-family:var(--mono); font-size:12.5px; letter-spacing:0.14em;
  text-transform:uppercase; color:var(--mauve-400);
  display:flex; align-items:center; gap:10px; margin-bottom:20px;
}
.eyebrow::before{
  content:""; width:22px; height:1px; background:var(--mauve-400);
}

h1{
  font-weight:700; font-size:clamp(34px,5vw,54px); line-height:1.08;
  letter-spacing:-0.01em; margin-bottom:22px;
}
h1 .accent{
  background:linear-gradient(100deg,var(--pink-100),var(--blue-400) 65%);
  -webkit-background-clip:text; background-clip:text; color:transparent;
}

.hero p.lead{
  font-size:16.5px; line-height:1.7; color:var(--text-mid);
  max-width:520px; margin-bottom:34px;
}

.cta-row{display:flex; gap:14px; flex-wrap:wrap;}
.btn{
  font-family:var(--sans); font-weight:700; font-size:14px;
  padding:13px 22px; border-radius:8px; cursor:pointer;
  display:inline-flex; align-items:center; gap:9px;
  transition:transform .18s ease, box-shadow .18s ease, background .18s ease;
  border:1px solid transparent;
}
.btn-primary{
  background:var(--mauve-400); color:#1a0f18;
}
.btn-primary:hover{transform:translateY(-2px); box-shadow:0 10px 24px -8px rgba(195,142,180,0.55);}
.btn-ghost{
  background:transparent; color:var(--text-hi); border-color:rgba(134,168,207,0.35);
}
.btn-ghost:hover{border-color:var(--blue-400); color:var(--blue-400); transform:translateY(-2px);}

/* ---------- Terminal ---------- */
.terminal{
  background:linear-gradient(180deg, var(--navy-800), var(--navy-900));
  border:1px solid rgba(134,168,207,0.22);
  border-radius:14px;
  box-shadow:0 30px 60px -25px rgba(0,0,0,0.7), 0 0 0 1px rgba(195,142,180,0.04) inset;
  overflow:hidden;
}
.terminal-bar{
  display:flex; align-items:center; gap:8px;
  padding:12px 16px;
  background:rgba(255,255,255,0.02);
  border-bottom:1px solid rgba(134,168,207,0.14);
}
.terminal-bar span.tb-1,
.terminal-bar span.tb-2,
.terminal-bar span.tb-3{width:11px;height:11px;border-radius:50%; flex-shrink:0;}
.tb-1{background:#e1636b;} .tb-2{background:#e0b45a;} .tb-3{background:#6fbf7a;}
.terminal-bar .tb-title{
  margin-left:8px; font-family:var(--mono); font-size:12px; color:var(--text-low);
  white-space:nowrap; overflow:hidden; text-overflow:ellipsis;
  min-width:0; width:auto; flex:1 1 auto;
}
.terminal-body{
  padding:22px 20px 26px; font-family:var(--mono); font-size:13.5px; line-height:1.9;
  color:var(--text-mid); min-height:230px;
}
.terminal-body .prompt{color:var(--mauve-400);}
.terminal-body .cmd{color:var(--pink-100);}
.terminal-body .key{color:var(--blue-400);}
.terminal-body .str{color:#d9c58f;}
.terminal-body .cursor{
  display:inline-block; width:7px; height:14px; background:var(--blue-400);
  vertical-align:middle; margin-left:2px;
  animation:blink 1s steps(1) infinite;
}
@keyframes blink{50%{opacity:0;}}

/* ---------- Section shared ---------- */
section{padding:88px 0;}
.section-head{margin-bottom:44px; max-width:640px;}
.section-head .eyebrow{margin-bottom:14px;}
h2{font-weight:700; font-size:clamp(26px,3.4vw,36px); letter-spacing:-0.01em; margin-bottom:12px;}
.section-head p{color:var(--text-mid); font-size:15.5px; line-height:1.7;}

hr.div{
  border:0; height:1px;
  background:linear-gradient(90deg, transparent, rgba(134,168,207,0.22), transparent);
  margin:0;
}

/* ---------- Skills: ya tengo ---------- */
.skill-groups{display:grid; grid-template-columns:repeat(2,1fr); gap:28px;}
@media (max-width:760px){.skill-groups{grid-template-columns:1fr;}}

.skill-card{
  background:linear-gradient(160deg, rgba(134,168,207,0.10), rgba(38,66,90,0.28));
  border:1px solid rgba(134,168,207,0.28);
  border-radius:12px; padding:22px 22px 20px;
  transition:border-color .2s ease;
}
.skill-card:hover{border-color:rgba(134,168,207,0.45);}
.skill-card h3{
  font-size:13px; font-family:var(--mono); letter-spacing:0.06em;
  text-transform:uppercase; color:var(--blue-400); margin-bottom:14px;
}
.skill-list{list-style:none; display:flex; flex-direction:column;}
.skill-list li{
  display:flex; align-items:center; gap:13px;
  padding:9px 2px;
  font-size:14px; color:var(--text-mid);
  transition:color .2s ease;
}
.skill-list li:hover{color:var(--text-hi);}
.skill-list li i{
  display:inline-flex; align-items:center; justify-content:center;
  width:32px; height:32px; flex-shrink:0;
  border-radius:8px;
  transition:background .2s ease, transform .2s ease, filter .2s ease;
}
.skill-list li i.bi{
  font-size:17px; color:var(--mauve-400);
  background:rgba(195,142,180,0.10);
}
.skill-list li:hover i.bi{
  color:var(--pink-100);
  background:rgba(195,142,180,0.24);
  transform:scale(1.08);
}
.skill-list li i[class*="devicon-"]{
  font-size:19px;
  background:rgba(255,255,255,0.06);
}
.skill-list li:hover i[class*="devicon-"]{
  background:rgba(134,168,207,0.22);
  filter:brightness(1.35) saturate(1.15);
  transform:scale(1.08);
}
/* logos oscuros que se pierden sobre fondo navy: se aclaran para que se distingan */
.skill-list li i.devicon-github-original.colored,
.skill-list li i.devicon-linux-plain.colored,
.skill-list li i.devicon-cobol-original.colored,
.skill-list li i.devicon-express-original.colored{
  color:#d7deeb !important;
}
.skill-list-wide{
  display:grid; grid-template-columns:repeat(3,1fr); column-gap:24px;
}
@media (max-width:620px){.skill-list-wide{grid-template-columns:1fr;}}

/* ---------- Skills: por aprender ---------- */
.learn-grid{
  display:grid; grid-template-columns:repeat(5,1fr); gap:16px; margin-top:8px;
}
@media (max-width:900px){.learn-grid{grid-template-columns:repeat(3,1fr);}}
@media (max-width:560px){.learn-grid{grid-template-columns:repeat(2,1fr);}}

.learn-card{
  position:relative;
  background:linear-gradient(160deg, rgba(195,142,180,0.08), rgba(38,66,90,0.25));
  border:1px solid rgba(195,142,180,0.22);
  border-radius:12px; padding:20px 16px;
  display:flex; flex-direction:column; gap:14px;
  transition:transform .2s ease, border-color .2s ease;
}
.learn-card:hover{transform:translateY(-4px); border-color:var(--mauve-400);}
.learn-card i.learn-icon{
  font-size:26px;
}
.learn-card i.learn-icon.bi{color:var(--blue-400);}
.learn-card .num{
  font-family:var(--mono); font-size:11px; color:var(--mauve-400); letter-spacing:0.08em;
}
.learn-card .name{font-weight:700; font-size:15px;}
.learn-card .status{
  margin-top:auto;
  font-family:var(--mono); font-size:10.5px; letter-spacing:0.05em;
  text-transform:uppercase; color:var(--text-low);
  display:flex; align-items:center; gap:6px;
}
.learn-card .status::before{
  content:""; width:6px; height:6px; border-radius:50%;
  background:var(--steel-600);
}

/* ---------- Proyectos ---------- */
.project-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:24px;}
@media (max-width:860px){.project-grid{grid-template-columns:1fr;}}

.project-card{
  border:1px dashed rgba(134,168,207,0.3);
  border-radius:14px; padding:30px 24px;
  min-height:200px;
  display:flex; flex-direction:column; justify-content:space-between;
  background:rgba(255,255,255,0.015);
  transition:border-color .2s ease, background .2s ease;
}
.project-card:hover{border-color:var(--blue-400); background:rgba(134,168,207,0.03);}
.project-card .ph-icon{
  width:38px; height:38px; border-radius:9px;
  border:1px solid rgba(134,168,207,0.3);
  display:flex; align-items:center; justify-content:center;
  color:var(--text-low); font-size:16px;
}
.project-card .ph-title{font-weight:700; font-size:15.5px; margin-top:18px; color:var(--text-mid);}
.project-card .ph-sub{
  font-family:var(--mono); font-size:12px; color:var(--text-low); margin-top:6px;
}
.project-card .ph-tag{
  margin-top:20px; align-self:flex-start;
  font-family:var(--mono); font-size:11px; letter-spacing:0.05em;
  padding:5px 10px; border-radius:6px;
  background:rgba(195,142,180,0.1); color:var(--mauve-400);
  border:1px solid rgba(195,142,180,0.25);
}

/* ---------- Footer ---------- */
footer{
  border-top:1px solid rgba(134,168,207,0.14);
  padding:40px 0 34px;
}
.footer-row{
  display:flex; align-items:center; justify-content:space-between; flex-wrap:wrap; gap:18px;
}
.footer-brand{font-family:var(--mono); font-size:12.5px; color:var(--text-low);}
.footer-links{display:flex; gap:22px;}
.footer-links a{
  display:flex; align-items:center; gap:8px;
  font-size:13.5px; color:var(--text-mid);
  transition:color .2s ease;
}
.footer-links a:hover{color:var(--pink-100);}
.footer-links i{font-size:16px;}