:root{
  --bg:#0b0c10;
  --surface:#111318;
  --text:#e6e8eb;
  --muted:#a7adb3;
  --brand:#6ee7b7;
  --brand-700:#10b981;
  --line:rgba(255,255,255,.08);
  --shadow:0 10px 30px rgba(0,0,0,.25);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--text);font:16px/1.6 system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,"Noto Sans",sans-serif}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.container{width:min(1120px,92vw);margin-inline:auto}
.btn{display:inline-flex;align-items:center;gap:.5rem;padding:.8rem 1.1rem;border:1px solid var(--line);border-radius:.6rem;background:linear-gradient(180deg,rgba(255,255,255,.05),rgba(255,255,255,.02));color:var(--text);transition:.2s ease;backdrop-filter:saturate(140%)}
.btn:hover{transform:translateY(-1px);border-color:rgba(255,255,255,.14)}
.btn.brand{background:linear-gradient(180deg,var(--brand),var(--brand-700));color:#0b0c10;border:none}

/* Header / Hero */
header{
  position:relative;isolation:isolate;overflow:hidden;
  background:radial-gradient(1200px 600px at 70% -10%,rgba(110,231,183,.25),transparent 70%),
             radial-gradient(900px 500px at 0% 0%,rgba(16,185,129,.18),transparent 60%),
             #0b0c10;
}
.hero{min-height:86vh;display:grid;place-items:center}
.hero-inner{display:grid;gap:1.25rem;padding:6rem 0}
.hero h1{font-size:clamp(2rem,5vw,3.25rem);line-height:1.1;margin:0}
.hero p{color:var(--muted);margin:0 0 .5rem}
.hero-cta{display:flex;gap:.8rem;flex-wrap:wrap;margin-top:.25rem}

/* Hero reveal animations */
.reveal{opacity:0;transform:translateY(12px) scale(.98);will-change:opacity,transform}
.reveal.in{animation:revealUp .7s cubic-bezier(.2,.7,.2,1) forwards}
@keyframes revealUp{from{opacity:0;transform:translateY(12px) scale(.98)}to{opacity:1;transform:translateY(0) scale(1)}}

/* Buttons improvements */
.btn-lg{padding:1rem 1.2rem;font-size:1.02rem}
.btn.ghost{background:transparent;border-color:var(--line)}
.btn.ghost:hover{border-color:rgba(255,255,255,.18);background:linear-gradient(180deg,rgba(255,255,255,.04),rgba(255,255,255,.02))}

/* Text accent */
.accent{color:var(--brand)}

/* Hero typography */
.hero-inner h1{font-weight:800;font-size:clamp(2.25rem,6vw,3.5rem);letter-spacing:-.02em}
.hero-inner .muted{font-size:clamp(1rem,2.2vw,1.05rem)}

/* Hero badges */
.hero-badges{display:flex;flex-wrap:wrap;gap:.5rem;margin:.6rem 0 1rem}
.badge{display:inline-flex;align-items:center;gap:.4rem;padding:.36rem .6rem;border:1px solid var(--line);border-radius:999px;background:linear-gradient(180deg,rgba(255,255,255,.05),rgba(255,255,255,.02));color:var(--muted);font-size:.9rem;transition:.2s ease;will-change:transform}
.badge svg{color:var(--brand)}
.badge:hover{transform:translateY(-1px);border-color:rgba(255,255,255,.16);color:var(--text)}

/* CTA hovers */
.btn{transition:transform .18s ease, box-shadow .18s ease, border-color .18s ease, background .18s ease, color .18s ease}
.btn.brand{box-shadow:0 6px 18px rgba(16,185,129,.18)}
.btn.brand:hover{transform:translateY(-1px) scale(1.02);box-shadow:0 10px 26px rgba(16,185,129,.28)}
.btn.ghost{background:transparent;border-color:var(--line)}
.btn.ghost:hover{border-color:rgba(255,255,255,.18);background:linear-gradient(180deg,rgba(255,255,255,.05),rgba(255,255,255,.03));transform:translateY(-1px)}

/* CTA primary pulse animation */
@keyframes pulseRing{0%{box-shadow:0 0 0 0 rgba(16,185,129,.35)}70%{box-shadow:0 0 0 14px rgba(16,185,129,0)}100%{box-shadow:0 0 0 0 rgba(16,185,129,0)}}
@keyframes pulseScale{0%,100%{transform:translateY(0) scale(1)}50%{transform:translateY(-1px) scale(1.03)}}
.cta-primary{position:relative;isolation:isolate;animation:pulseScale 2.2s ease-in-out infinite}
.cta-primary::after{content:"";position:absolute;inset:0;border-radius:inherit;animation:pulseRing 2.2s ease-out infinite;pointer-events:none}
/* Pause animations on user intent */
.cta-primary:hover,.cta-primary:focus-visible{animation-play-state:paused}
.cta-primary:hover::after,.cta-primary:focus-visible::after{animation-play-state:paused}

@media (prefers-reduced-motion: reduce){
  .cta-primary{animation:none}
  .cta-primary::after{animation:none}
}

/* CTA size */
.btn-lg{padding:1rem 1.2rem;font-size:1.05rem}

/* Respect reduced motion */
@media (prefers-reduced-motion: reduce){
  .reveal,.reveal.in{animation:none !important;opacity:1 !important;transform:none !important}
}
.nav{position:sticky;top:0;z-index:50;background:var(--bg);border-bottom:1px solid var(--line);box-shadow:0 6px 20px rgba(0,0,0,.25)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;padding:.9rem 0}
.brand{display:inline-flex;align-items:center;gap:.6rem;font-weight:700;padding:.35rem .7rem;border:1px solid var(--line);border-radius:.8rem;background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.03));box-shadow:0 4px 12px rgba(0,0,0,.25);transition:.2s ease}
.brand:hover{transform:translateY(-1px);border-color:rgba(255,255,255,.18)}
.brand-dot{width:.85rem;height:.85rem;border-radius:50%;background:radial-gradient(60% 60% at 30% 30%,var(--brand),var(--brand-700));box-shadow:0 0 0 3px rgba(16,185,129,.12),0 0 18px rgba(16,185,129,.25)}
.nav a{color:var(--muted)}
.nav-links{display:flex;gap:1.1rem;align-items:center}
.nav a:hover{color:var(--text)}
.nav-links a{position:relative;padding:.4rem .5rem;border-radius:.5rem;transition:color .2s ease}
.nav-links a::after{content:"";position:absolute;left:.5rem;right:.5rem;bottom:.2rem;height:2px;background:linear-gradient(90deg,var(--brand),var(--brand-700));border-radius:2px;transform:scaleX(0);transform-origin:left;transition:transform .25s ease}
.nav-links a:hover::after,.nav-links a:focus-visible::after{transform:scaleX(1)}
.nav a:focus-visible{outline:2px solid var(--brand);outline-offset:2px}

/* Sections */
section{padding:4.5rem 0;border-top:1px solid var(--line)}
.section-title{font-size:clamp(1.4rem,3.2vw,2rem);margin:0 0 1.6rem}
.muted{color:var(--muted)}

/* About */
.about{display:grid;gap:2rem;grid-template-columns:1.1fr .9fr;align-items:center}
.about-card{background:var(--surface);border:1px solid var(--line);border-radius:1rem;padding:1.2rem;box-shadow:var(--shadow)}
.about img{border-radius:.8rem;aspect-ratio:4/3;object-fit:cover}

/* Projects */
.grid{display:grid;gap:1rem}
.grid.projects{grid-template-columns:repeat(12,1fr)}
.project{grid-column:span 4;background:var(--surface);border:1px solid var(--line);border-radius:1rem;overflow:hidden;display:flex;flex-direction:column;box-shadow:var(--shadow)}
.project img{aspect-ratio:16/9;object-fit:cover}
.project-body{padding:1rem}
.project h3{margin:.4rem 0}
.project p{margin:0;color:var(--muted)}
.project-actions{display:flex;gap:.6rem;padding:0 1rem 1rem}

/* Contact */
form{display:grid;gap:.8rem}
.field{display:grid;gap:.35rem}
label{font-size:.9rem;color:var(--muted)}
input,textarea{width:100%;padding:.9rem;border:1px solid var(--line);border-radius:.6rem;background:#0e1015;color:var(--text);outline:none}
input:focus,textarea:focus{border-color:rgba(255,255,255,.18)}
textarea{min-height:140px;resize:vertical}
.contact{
  display:grid;gap:1.5rem;grid-template-columns:1.1fr .9fr;align-items:start
}
.contact-card{background:var(--surface);border:1px solid var(--line);border-radius:1rem;padding:1.2rem;box-shadow:var(--shadow)}
.socials{display:flex;flex-wrap:wrap;gap:.6rem;margin-top:.6rem}
.icon{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:.5rem;border:1px solid var(--line);background:linear-gradient(180deg,rgba(255,255,255,.04),rgba(255,255,255,.02))}
.icon:hover{border-color:rgba(255,255,255,.18)}

/* Contact image (antes en style inline) */
.contact-image{border-radius:.8rem;aspect-ratio:4/3;object-fit:cover}

/* Footer */
footer{border-top:1px solid var(--line);padding:2rem 0;color:var(--muted)}
.foot{display:flex;flex-wrap:wrap;justify-content:space-between;gap:1rem}

/* Responsive */
@media (max-width: 900px){
  .about,.contact{grid-template-columns:1fr}
  .project{grid-column:span 6}
}
@media (max-width: 640px){
  .nav-links{display:none}
  .hero-cta{flex-direction:column;align-items:flex-start}
  .project{grid-column:span 12}
}