/* ===================================================
   Portafolio de Solange Noya — hoja de estilos compartida
   =================================================== */
:root{
  --bg-0:#070b16;
  --panel:#111a33;
  --panel-2:#0c1226;
  --line:#1d2a4d;
  --blue-1:#3b82f6;
  --blue-2:#38bdf8;
  --violet:#6366f1;
  --text-hi:#eef2ff;
  --text-mid:#a9b6d9;
  --text-low:#6b7aa3;
  --radius:18px;
}

*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  background:var(--bg-0);
  color:var(--text-hi);
  font-family:'Inter', system-ui, -apple-system, sans-serif;
  line-height:1.55;
  overflow-x:hidden;
}
h1,h2,h3,.display{
  font-family:'Space Grotesk','Inter',sans-serif;
  letter-spacing:-0.02em;
}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
section{position:relative;padding:110px 8vw;}

.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.78rem;text-transform:uppercase;letter-spacing:.14em;
  color:var(--blue-2);font-weight:600;margin-bottom:18px;
}
.eyebrow::before{
  content:'';width:22px;height:1px;
  background:linear-gradient(90deg,var(--blue-2),transparent);
}

/* background wash + grid, fixed behind everything */
.bg-wash{
  position:fixed;inset:0;z-index:-2;
  background:
    radial-gradient(1100px 600px at 82% -10%, rgba(59,130,246,.25), transparent 60%),
    radial-gradient(900px 500px at -10% 30%, rgba(99,102,241,.18), transparent 60%),
    var(--bg-0);
}
.bg-grid{
  position:fixed;inset:0;z-index:-1;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(circle at 60% 10%, black, transparent 70%);
  opacity:.4;
}

/* ============ NAV ============ */
header{
  position:fixed;top:0;left:0;right:0;z-index:50;
  display:flex;align-items:center;justify-content:space-between;
  padding:22px 8vw;
  backdrop-filter:blur(14px);
  background:rgba(7,11,22,.6);
  border-bottom:1px solid rgba(255,255,255,.05);
}
.logo{
  font-family:'Space Grotesk',sans-serif;font-weight:700;font-size:1.1rem;
  display:flex;align-items:center;gap:10px;
}
.logo .dot{
  width:10px;height:10px;border-radius:3px;
  background:linear-gradient(135deg,var(--blue-2),var(--violet));
  transform:rotate(45deg);
}
nav ul{display:flex;gap:38px;list-style:none;}
nav a{font-size:.92rem;color:var(--text-mid);transition:color .25s;position:relative;}
nav a:hover, nav a.active{color:var(--text-hi);}
nav a::after{
  content:'';position:absolute;left:0;bottom:-6px;width:0;height:2px;
  background:linear-gradient(90deg,var(--blue-2),var(--violet));
  transition:width .25s;
}
nav a:hover::after, nav a.active::after{width:100%;}
.nav-cta{
  padding:10px 20px;border-radius:999px;
  background:linear-gradient(135deg,var(--blue-1),var(--violet));
  font-size:.88rem;font-weight:600;
  box-shadow:0 8px 24px -8px rgba(59,130,246,.6);
}
.nav-toggle{display:none;background:none;border:0;color:var(--text-hi);font-size:1.5rem;cursor:pointer;}

@media (max-width:900px){
  nav ul{
    position:fixed;top:74px;left:0;right:0;
    flex-direction:column;gap:0;
    background:rgba(7,11,22,.97);
    border-bottom:1px solid var(--line);
    max-height:0;overflow:hidden;
    transition:max-height .3s ease;
  }
  nav ul.open{max-height:280px;}
  nav ul li{border-top:1px solid var(--line);}
  nav ul li a{display:block;padding:18px 8vw;}
  .nav-toggle{display:block;}
}

/* ============ PAGE HERO (subpages) ============ */
.page-hero{
  padding:170px 8vw 60px;
  max-width:820px;
}
.page-hero h1{font-size:clamp(2.2rem,4.4vw,3.4rem);}
.page-hero p{color:var(--text-mid);margin-top:16px;font-size:1.05rem;max-width:60ch;}

.grad-text{
  background:linear-gradient(120deg,var(--blue-2),var(--violet) 60%, #93c5fd);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}

.section-head{max-width:640px;margin-bottom:52px;}
.section-head h2{font-size:clamp(1.7rem,3.2vw,2.4rem);}
.section-head p{color:var(--text-mid);margin-top:14px;font-size:1.02rem;}

.btn-primary,.btn-ghost{
  padding:14px 26px;border-radius:999px;font-weight:600;font-size:.92rem;
  display:inline-flex;align-items:center;gap:8px;
}
.btn-primary{
  background:linear-gradient(135deg,var(--blue-1),var(--violet));
  box-shadow:0 10px 30px -10px rgba(59,130,246,.7);
}
.btn-ghost{border:1px solid var(--line);color:var(--text-mid);}
.btn-ghost:hover{border-color:var(--blue-2);color:var(--text-hi);}

/* ============ CARDS / GENERIC PANELS ============ */
.panel{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:34px;
}

/* tag chips */
.tag{
  font-size:.72rem;padding:5px 12px;border-radius:999px;
  background:rgba(59,130,246,.12);color:var(--blue-2);
  border:1px solid rgba(59,130,246,.25);
  display:inline-block;
}

/* skill bars (reused in Inicio + Sobre mí) */
.skill-item{
  display:grid;grid-template-columns:44px 1fr auto;align-items:center;gap:18px;
  background:var(--panel);border:1px solid var(--line);border-radius:14px;
  padding:18px 20px;transition:border-color .25s, transform .25s;
}
.skill-item:hover{border-color:var(--blue-2);transform:translateY(-2px);}
.skill-icon{
  width:44px;height:44px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,rgba(59,130,246,.25),rgba(99,102,241,.15));
  font-size:1.2rem;
}
.skill-item h4{font-size:.98rem;}
.skill-item p{color:var(--text-low);font-size:.82rem;margin-top:2px;}
.skill-bar-track{grid-column:1/-1;height:5px;border-radius:99px;background:var(--line);overflow:hidden;}
.skill-bar-fill{height:100%;border-radius:99px;background:linear-gradient(90deg,var(--blue-2),var(--violet));}

/* footer */
footer{
  padding:30px 8vw;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;color:var(--text-low);
  font-size:.82rem;flex-wrap:wrap;gap:10px;
}
.social-row{display:flex;gap:16px;}
.social-row a{
  width:38px;height:38px;border-radius:10px;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;
  transition:border-color .25s,color .25s;
}
.social-row a:hover{border-color:var(--blue-2);color:var(--blue-2);}

/* reveal-on-scroll */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s ease, transform .7s ease;}
.reveal.is-visible{opacity:1;transform:none;}

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  *{animation:none !important; transition:none !important;}
  .reveal{opacity:1;transform:none;}
}

@media (max-width:600px){
  section{padding:80px 6vw;}
  .page-hero{padding:150px 6vw 40px;}
  footer{flex-direction:column;text-align:center;align-items:center;}
}

@media (max-width:900px){
  .hero-photo-grid{grid-template-columns:1fr !important;}
  .hero-photo-grid > div:last-child{order:-1;max-width:260px;margin:0 auto;}
  .bio-photo-grid{grid-template-columns:1fr !important;}
  .bio-photo-grid > div:first-child{margin:0 auto;}
}