:root{
  --bg:#06111f;
  --bg-deep:#02070d;
  --surface:rgba(14,30,49,.72);
  --surface-strong:#102238;
  --surface-soft:rgba(255,255,255,.045);
  --text:#f7fbff;
  --muted:#9fb0c5;
  --line:rgba(255,255,255,.10);
  --primary:#48b8ff;
  --secondary:#7ef0ce;
  --glow:rgba(72,184,255,.28);
  --max:1180px;
  --radius:24px;
  --shadow:0 24px 70px rgba(0,0,0,.30);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  color:var(--text);
  line-height:1.6;
  background:
    radial-gradient(circle at 15% 0%,rgba(72,184,255,.12),transparent 28rem),
    radial-gradient(circle at 85% 12%,rgba(126,240,206,.08),transparent 26rem),
    linear-gradient(180deg,var(--bg-deep),var(--bg) 30%,#081625 70%,var(--bg-deep));
  overflow-x:hidden;
}

body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:-2;
  background-image:
    linear-gradient(rgba(255,255,255,.018) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.018) 1px,transparent 1px);
  background-size:48px 48px;
  mask-image:linear-gradient(to bottom,rgba(0,0,0,.75),transparent 88%);
}

body::after{
  content:"";
  position:fixed;
  width:540px;
  height:540px;
  right:-180px;
  top:18vh;
  border-radius:50%;
  background:radial-gradient(circle,rgba(72,184,255,.16),transparent 68%);
  filter:blur(24px);
  z-index:-1;
  pointer-events:none;
  animation:floatGlow 10s ease-in-out infinite;
}

@keyframes floatGlow{
  0%,100%{transform:translate3d(0,0,0) scale(1)}
  50%{transform:translate3d(-40px,30px,0) scale(1.08)}
}

::selection{
  background:var(--primary);
  color:#00101c;
}

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

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

.wrap{
  width:min(var(--max),calc(100% - 40px));
  margin:auto;
}

nav{
  position:sticky;
  top:0;
  z-index:50;
  backdrop-filter:blur(20px) saturate(150%);
  background:rgba(4,11,19,.68);
  border-bottom:1px solid var(--line);
}

.nav-inner{
  min-height:74px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
}

.brand{
  position:relative;
  font-size:1.05rem;
  font-weight:900;
  letter-spacing:.18em;
}

.brand::after{
  content:"";
  position:absolute;
  left:0;
  bottom:-8px;
  width:100%;
  height:2px;
  background:linear-gradient(90deg,var(--primary),var(--secondary));
  transform:scaleX(.35);
  transform-origin:left;
  transition:.25s ease;
}

.brand:hover::after{
  transform:scaleX(1);
}

.nav-links{
  display:flex;
  gap:22px;
  align-items:center;
  font-size:.94rem;
  color:var(--muted);
}

.nav-links a{
  transition:.2s ease;
}

.nav-links a:hover{
  color:var(--text);
  transform:translateY(-1px);
}

.lang{
  border:1px solid var(--line);
  background:rgba(255,255,255,.035);
  color:var(--text);
  border-radius:999px;
  padding:9px 13px;
  cursor:pointer;
  transition:.25s ease;
}

.lang:hover{
  border-color:rgba(72,184,255,.45);
  box-shadow:0 0 0 4px rgba(72,184,255,.06);
}

.hero{
  min-height:88vh;
  display:grid;
  align-items:center;
  position:relative;
  overflow:hidden;
}

.hero::before{
  content:"";
  position:absolute;
  inset:auto -10% 8% auto;
  width:min(48vw,620px);
  aspect-ratio:1;
  border-radius:50%;
  border:1px solid rgba(255,255,255,.07);
  box-shadow:
    0 0 0 50px rgba(255,255,255,.012),
    0 0 0 100px rgba(255,255,255,.008);
  background:
    radial-gradient(circle at 45% 40%,rgba(72,184,255,.23),transparent 32%),
    radial-gradient(circle at 62% 68%,rgba(126,240,206,.12),transparent 25%);
  animation:heroOrb 12s ease-in-out infinite;
}

@keyframes heroOrb{
  0%,100%{transform:translateY(0) rotate(0deg)}
  50%{transform:translateY(-24px) rotate(6deg)}
}

.hero .wrap{
  position:relative;
  z-index:2;
  padding:80px 0 70px;
}

.eyebrow{
  color:var(--secondary);
  text-transform:uppercase;
  letter-spacing:.16em;
  font-size:.79rem;
  font-weight:900;
}

h1{
  font-size:clamp(3.5rem,9vw,8.2rem);
  line-height:.88;
  margin:.18em 0 .22em;
  letter-spacing:-.065em;
  max-width:920px;
  text-wrap:balance;
  background:linear-gradient(110deg,#fff 8%,#d9ebfa 48%,#76c9ff 100%);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
  filter:drop-shadow(0 10px 45px rgba(72,184,255,.08));
}

.hero p.lead{
  font-size:clamp(1.18rem,2.2vw,1.7rem);
  max-width:780px;
  color:#b5c4d6;
  line-height:1.5;
}

.tagline{
  margin-top:26px;
  color:#e7f2ff;
  font-size:1.02rem;
}

.tagline strong{
  display:inline-block;
  padding-bottom:5px;
  border-bottom:1px solid rgba(126,240,206,.32);
}

.cta-row{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:34px;
}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:13px 19px;
  border-radius:999px;
  font-weight:800;
  border:1px solid var(--line);
  transition:.25s ease;
  position:relative;
  overflow:hidden;
}

.btn::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(120deg,transparent 20%,rgba(255,255,255,.16),transparent 70%);
  transform:translateX(-120%);
  transition:.5s ease;
}

.btn:hover::after{
  transform:translateX(120%);
}

.btn:hover{
  transform:translateY(-2px);
  border-color:rgba(72,184,255,.45);
}

.btn.primary{
  color:#03101b;
  border-color:transparent;
  background:linear-gradient(135deg,#f8fbff,#9ad9ff);
  box-shadow:0 10px 30px rgba(72,184,255,.18);
}

section{
  padding:104px 0;
  border-top:1px solid var(--line);
  position:relative;
}

.section-head{
  display:grid;
  grid-template-columns:minmax(220px,1fr) 2fr;
  gap:42px;
  align-items:start;
  margin-bottom:46px;
}

.section-head h2{
  margin:0;
  font-size:clamp(2.1rem,4vw,3.8rem);
  line-height:.98;
  letter-spacing:-.04em;
}

.section-head p{
  margin:0;
  color:var(--muted);
  max-width:720px;
  font-size:1.03rem;
}

.pillars{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:18px;
}

.card{
  position:relative;
  isolation:isolate;
  background:
    linear-gradient(180deg,rgba(255,255,255,.055),rgba(255,255,255,.022));
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:28px;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.035);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
  overflow:hidden;
}

.card::before{
  content:"";
  position:absolute;
  inset:0;
  z-index:-1;
  background:linear-gradient(135deg,rgba(72,184,255,.08),transparent 35%,rgba(126,240,206,.04));
  opacity:0;
  transition:.25s ease;
}

.card:hover{
  transform:translateY(-6px);
  border-color:rgba(72,184,255,.30);
  box-shadow:var(--shadow);
}

.card:hover::before{
  opacity:1;
}

.card h3{
  margin:.25em 0 .55em;
  font-size:1.28rem;
  letter-spacing:-.015em;
}

.card p{
  color:var(--muted);
  margin:0;
}

.num{
  display:inline-flex;
  width:36px;
  height:36px;
  align-items:center;
  justify-content:center;
  border-radius:50%;
  background:rgba(72,184,255,.10);
  border:1px solid rgba(72,184,255,.18);
  font-size:.76rem;
  color:var(--primary);
  font-weight:900;
  letter-spacing:.08em;
}

.timeline{
  display:grid;
  gap:0;
  position:relative;
}

.timeline::before{
  content:"";
  position:absolute;
  left:193px;
  top:16px;
  bottom:16px;
  width:1px;
  background:linear-gradient(var(--primary),rgba(255,255,255,.06),var(--secondary));
  opacity:.45;
}

.role{
  display:grid;
  grid-template-columns:160px 1fr;
  gap:42px;
  padding:28px 0;
  border-bottom:1px solid var(--line);
  position:relative;
}

.role::before{
  content:"";
  position:absolute;
  left:187px;
  top:36px;
  width:12px;
  height:12px;
  border-radius:50%;
  background:var(--bg);
  border:2px solid var(--primary);
  box-shadow:0 0 0 7px rgba(72,184,255,.06);
}

.role .years{
  color:var(--secondary);
  font-weight:800;
  font-size:.94rem;
}

.role h3{
  margin:0;
  font-size:1.22rem;
  letter-spacing:-.015em;
}

.role .company{
  color:#e5eef8;
  font-weight:700;
  margin-top:2px;
}

.role p{
  margin:.45em 0 0;
  color:var(--muted);
  max-width:760px;
}

.projects{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:18px;
}

.project{
  min-height:230px;
}

.project small{
  display:inline-block;
  color:var(--secondary);
  text-transform:uppercase;
  letter-spacing:.11em;
  font-weight:900;
}

.project h3{
  font-size:1.55rem;
  margin-top:.5rem;
}

.quote{
  font-size:clamp(1.9rem,4.5vw,3.5rem);
  line-height:1.12;
  max-width:980px;
  letter-spacing:-.045em;
  margin:0;
  background:linear-gradient(120deg,#fff 15%,#a9dfff 65%,#96f3da);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}

.stats{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:16px;
  margin-top:42px;
}

.stat strong{
  display:block;
  font-size:2.15rem;
  line-height:1.1;
  letter-spacing:-.04em;
}

.stat span{
  display:block;
  color:var(--muted);
  margin-top:8px;
}

.contact-grid{
  display:grid;
  grid-template-columns:1.55fr 1fr;
  gap:34px;
  align-items:center;
}

#contact .card{
  background:
    linear-gradient(180deg,rgba(72,184,255,.08),rgba(255,255,255,.025));
}

footer{
  padding:34px 0;
  color:var(--muted);
  border-top:1px solid var(--line);
  font-size:.9rem;
}

[data-lang="es"]{display:none}
body.es [data-lang="en"]{display:none}
body.es [data-lang="es"]{display:initial}

@media (prefers-reduced-motion:reduce){
  *{scroll-behavior:auto!important}
  body::after,.hero::before{animation:none!important}
  .card,.btn,.nav-links a{transition:none!important}
}

@media(max-width:920px){
  .nav-links a:not(.always){display:none}
  .section-head,.contact-grid{grid-template-columns:1fr}
  .pillars{grid-template-columns:repeat(2,1fr)}
  .projects{grid-template-columns:1fr}
  .timeline::before{left:10px}
  .role{
    grid-template-columns:1fr;
    gap:8px;
    padding-left:36px;
  }
  .role::before{
    left:4px;
    top:35px;
  }
}

@media(max-width:640px){
  .wrap{width:min(var(--max),calc(100% - 28px))}
  .hero{min-height:78vh}
  .hero .wrap{padding:58px 0 54px}
  h1{font-size:clamp(3.2rem,18vw,5.7rem)}
  .pillars,.stats{grid-template-columns:1fr}
  section{padding:76px 0}
  .card{padding:23px}
  .nav-inner{min-height:66px}
}

@media(max-width:420px){
  .nav-links{gap:10px}
  .lang{padding:8px 10px}
  .cta-row{align-items:stretch}
  .btn{width:100%}
}


/* ---- Social / personal brand layer ---- */
.ghost-accent{
  border-color:rgba(126,240,206,.24);
  background:rgba(126,240,206,.045);
}
.ghost-accent:hover{
  border-color:rgba(126,240,206,.55);
  box-shadow:0 12px 36px rgba(126,240,206,.08);
}

.social-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:14px;
}
.social-card{
  display:grid;
  grid-template-columns:52px 1fr auto;
  gap:16px;
  align-items:center;
  min-height:86px;
  padding:16px 18px;
  border-radius:20px;
  border:1px solid var(--line);
  background:linear-gradient(135deg,rgba(255,255,255,.05),rgba(255,255,255,.018));
  transition:transform .25s ease,border-color .25s ease,background .25s ease,box-shadow .25s ease;
}
.social-card:hover{
  transform:translateY(-4px);
  border-color:rgba(72,184,255,.36);
  background:linear-gradient(135deg,rgba(72,184,255,.09),rgba(126,240,206,.035));
  box-shadow:0 18px 50px rgba(0,0,0,.23);
}
.social-card.featured{
  border-color:rgba(126,240,206,.25);
  background:linear-gradient(135deg,rgba(126,240,206,.08),rgba(72,184,255,.055));
}
.social-icon{
  width:52px;
  height:52px;
  border-radius:16px;
  display:grid;
  place-items:center;
  font-weight:900;
  letter-spacing:-.04em;
  background:rgba(255,255,255,.055);
  border:1px solid var(--line);
  color:#fff;
}
.social-card strong{
  display:block;
  font-size:1.02rem;
}
.social-card small{
  display:block;
  margin-top:2px;
  color:var(--muted);
}
.social-card b{
  color:var(--primary);
  font-size:1.15rem;
}

@media(max-width:720px){
  .social-grid{grid-template-columns:1fr}
}

/* subtle entrance polish */
@media (prefers-reduced-motion:no-preference){
  .card,.role,.social-card{
    animation:reveal .65s both;
    animation-timeline:view();
    animation-range:entry 5% cover 28%;
  }
}
@keyframes reveal{
  from{opacity:.35;transform:translateY(18px)}
  to{opacity:1;transform:translateY(0)}
}