/* Fredy Rodriguez — portfolio theme (shared by index, about and 404) */
:root{
  --bg:#0a0a12; --bg2:#0e0e1a; --panel:rgba(255,255,255,.04); --panel2:rgba(255,255,255,.06);
  --line:rgba(255,255,255,.10); --text:#e7e9f0; --muted:#9aa1b5; --accent:#7c5cff; --accent2:#25d0ff;
  --grad:linear-gradient(90deg,#7c5cff,#25d0ff); --shadow:0 20px 60px rgba(0,0,0,.5);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Inter',system-ui,sans-serif;background:var(--bg);color:var(--text);line-height:1.6;overflow-x:hidden}
h1,h2,h3,.display{font-family:'Space Grotesk',sans-serif;font-weight:700;letter-spacing:-.02em}
a{color:inherit;text-decoration:none}
.wrap{max-width:1150px;margin:0 auto;padding:0 22px}
.grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.eyebrow{color:var(--muted);text-transform:uppercase;letter-spacing:.18em;font-size:13px;font-weight:600}

/* fondo con blobs */
.bg-blobs{position:fixed;inset:0;z-index:-1;overflow:hidden}
.blob{position:absolute;border-radius:50%;filter:blur(90px);opacity:.35;animation:float 16s ease-in-out infinite}
.b1{width:420px;height:420px;background:#5b2bd6;top:-120px;left:-80px}
.b2{width:360px;height:360px;background:#0e8fae;bottom:-100px;right:-60px;animation-delay:-6s}
.b3{width:260px;height:260px;background:#7c5cff;top:40%;right:18%;animation-delay:-11s}
@keyframes float{0%,100%{transform:translate(0,0) scale(1)}50%{transform:translate(30px,-30px) scale(1.08)}}

/* nav */
header{position:fixed;top:0;left:0;right:0;z-index:100;backdrop-filter:blur(14px);background:rgba(10,10,18,.6);border-bottom:1px solid var(--line)}
.nav{max-width:1150px;margin:0 auto;padding:14px 22px;display:flex;align-items:center;justify-content:space-between}
.logo{display:flex;align-items:center;gap:10px;font-family:'Space Grotesk';font-weight:700;font-size:19px}
.logo img{width:34px;height:34px;border-radius:999px}
.nav-right{display:flex;align-items:center;gap:16px}
.nav-links{display:flex;align-items:center;gap:26px;font-size:15px;color:var(--muted)}
.nav-links a:hover{color:var(--text)}
.pill{color:#fff!important;background:var(--grad);padding:9px 18px;border-radius:999px;font-weight:600}
.lang-btn{background:var(--panel);border:1px solid var(--line);color:var(--text);padding:7px 14px;border-radius:999px;font-size:13px;font-weight:600;cursor:pointer;transition:.2s;display:inline-flex;align-items:center;gap:6px}
.lang-btn:hover{background:var(--panel2);border-color:var(--accent)}
.burger{display:none;font-size:22px;background:none;border:none;color:var(--text);cursor:pointer}

/* hero */
.hero{min-height:100vh;display:flex;align-items:center;padding-top:80px}
.hero .wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:50px;align-items:center}
.h1{font-size:clamp(38px,6vw,64px);line-height:1.05;margin:14px 0 18px}
.hero p{color:var(--muted);font-size:18px;max-width:540px}
.cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.btn{display:inline-flex;align-items:center;gap:8px;padding:13px 22px;border-radius:12px;font-weight:600;font-size:15px;border:1px solid transparent}
.btn.primary{background:var(--grad);color:#04040a;box-shadow:0 10px 30px rgba(124,92,255,.35)}
.btn.ghost{background:var(--panel);border-color:var(--line);color:var(--text)}
.btn.ghost:hover{background:var(--panel2)}
.chips{display:flex;flex-wrap:wrap;gap:9px;margin-top:26px}
.chip{background:var(--panel);border:1px solid var(--line);padding:6px 13px;border-radius:999px;font-size:13px;color:var(--muted)}

/* hero visual: terminal card */
.viz{position:relative}
.term{background:#0c0c16;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);overflow:hidden}
.term-bar{display:flex;gap:8px;padding:12px 16px;background:var(--panel);border-bottom:1px solid var(--line)}
.dot{width:11px;height:11px;border-radius:50%}
.term-body{padding:20px;font-family:ui-monospace,'SF Mono',Menlo,monospace;font-size:13.5px;line-height:1.7}
.term-body .ln{color:#cbd3e6}
.c-purple{color:#c792ea}.c-cyan{color:#67d5f0}.c-green{color:#7ee787}
.float-card{position:absolute;background:rgba(20,20,32,.85);border:1px solid var(--line);backdrop-filter:blur(8px);padding:10px 14px;border-radius:12px;font-size:13px;box-shadow:var(--shadow)}
.f1{top:-18px;left:-22px}.f2{bottom:14px;right:-16px;color:var(--accent2)}
.avatar{position:absolute;top:-30px;right:-10px;width:88px;height:88px;border-radius:50%;padding:3px;background:var(--grad)}
.avatar img{width:100%;height:100%;border-radius:50%;background:#111}

/* secciones */
section{padding:90px 0}
.sec-head{max-width:680px;margin-bottom:46px}
.sec-head h2{font-size:clamp(28px,4vw,40px);margin:10px 0}
.sec-head p{color:var(--muted);font-size:17px}

/* stack */
.stack{display:flex;flex-wrap:wrap;gap:12px}
.stack span{background:var(--panel);border:1px solid var(--line);padding:10px 18px;border-radius:14px;font-weight:600;transition:.2s;display:inline-flex;align-items:center;gap:10px}
.stack span:hover{background:var(--panel2);transform:translateY(-3px);border-color:var(--accent)}
.stack span img{width:20px;height:20px;object-fit:contain}

/* bento grid */
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.grid.four{grid-template-columns:repeat(2,1fr)}
.card{background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:22px;transition:.25s;position:relative;overflow:hidden}
.card:hover{transform:translateY(-6px);border-color:var(--accent);box-shadow:var(--shadow)}
.card img{width:100%;height:auto;border-radius:12px;margin-bottom:16px;border:1px solid var(--line);object-fit:cover}
.card h3{font-size:19px;margin-bottom:8px}
.card p{color:var(--muted);font-size:15px;line-height:1.55}
.card p strong{color:var(--text)}
.tags{display:flex;gap:7px;flex-wrap:wrap;margin-top:14px}
.tag{background:var(--panel2);border:1px solid var(--line);padding:4px 10px;border-radius:999px;font-size:12px;color:var(--muted)}
.cta-line{margin-top:16px;display:inline-block;color:var(--accent2);font-weight:600}
.card.accent{background:linear-gradient(160deg,rgba(124,92,255,.14),rgba(37,208,255,.06));border-color:rgba(124,92,255,.4)}
.grid.two{grid-template-columns:repeat(2,1fr)}

/* CTA band */
.cta-band{background:linear-gradient(120deg,rgba(124,92,255,.22),rgba(37,208,255,.12));border:1px solid rgba(124,92,255,.35);border-radius:24px;padding:56px 40px;text-align:center}
.cta-band h2{font-size:clamp(28px,4vw,40px);margin-bottom:14px}
.cta-band p{color:var(--muted);font-size:18px;max-width:560px;margin:0 auto 26px}

footer{border-top:1px solid var(--line);padding:30px 0;color:var(--muted);font-size:14px}
footer .wrap{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px}

/* reveal on scroll */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease}
.reveal.show{opacity:1;transform:none}

@media(max-width:840px){
  .hero .wrap{grid-template-columns:1fr;gap:40px}
  .avatar{display:none}
  .grid, .grid.four{grid-template-columns:1fr}
  .grid.two{grid-template-columns:1fr}
  .nav-links{display:none;position:absolute;top:100%;left:0;right:0;background:#0c0c16;border-bottom:1px solid var(--line);flex-direction:column;gap:0;padding:10px 0}
  .nav-links a{padding:14px 22px}
  .nav-links.open{display:flex}
  .burger{display:block}
}