:root{
  --bg: #F7F7FB;
  --card: rgba(255,255,255,.75);
  --stroke: rgba(20, 24, 35, .10);
  --text: #111827;
  --muted: rgba(17, 24, 39, .70);
  --shadow: 0 10px 30px rgba(17,24,39,.08);

  --a1: #38BDF8;
  --a2: #A78BFA;
  --radius: 18px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
}

.container{max-width:1100px; margin:0 auto; padding: 0 18px;}
.section{padding: 62px 0;}
.section__head{display:flex; align-items:baseline; justify-content:space-between; gap:16px; margin-bottom:18px;}
.section__head h2{margin:0; font-size: 28px;}
.section__head p{margin:0; color:var(--muted);}

.skip{
  position:absolute; left:-999px; top:auto;
  width:1px; height:1px; overflow:hidden;
}
.skip:focus{left:18px; top:18px; width:auto; height:auto; background:#fff; padding:10px 12px; border-radius:10px; border:1px solid var(--stroke);}

.nav{
  position: sticky; top:0; z-index:10;
  backdrop-filter: blur(10px);
  background: rgba(247,247,251,.65);
  border-bottom: 1px solid rgba(20,24,35,.08);
}
.nav__inner{display:flex; align-items:center; justify-content:space-between; padding:14px 0;}
.brand{font-weight:800; text-decoration:none; color:var(--text); font-size:18px;}
.brand__dot{color: var(--a2);}
.menu{display:flex; gap:14px; align-items:center; flex-wrap:wrap;}
.menu a{color:var(--muted); text-decoration:none; font-weight:600; padding:8px 10px; border-radius:10px;}
.menu a:hover{color:var(--text); background: rgba(17,24,39,.04);}

.hero{padding: 76px 0 40px; position:relative;}
.hero__bg{
  position:absolute; inset:-60px -20px auto -20px; height:320px;
  background:
    radial-gradient(600px 220px at 10% 30%, rgba(56,189,248,.22), transparent 60%),
    radial-gradient(520px 220px at 70% 10%, rgba(167,139,250,.22), transparent 60%);
  filter: blur(2px);
  pointer-events:none;
}
.pill{
  display:inline-block; padding:8px 12px; border-radius:999px;
  border:1px solid var(--stroke); background: rgba(255,255,255,.6);
  box-shadow: var(--shadow);
  color: var(--muted); font-weight:600; font-size: 13px;
}
.hero__title{margin:14px 0 10px; font-size:48px; line-height:1.05; letter-spacing:-.03em;}
.grad{
  background: linear-gradient(90deg, var(--a1), var(--a2));
  -webkit-background-clip:text; background-clip:text; color:transparent;
}
.hero__subtitle{max-width: 70ch; color: var(--muted); font-size: 16px; line-height:1.6;}
.hero__cta{display:flex; gap:10px; flex-wrap:wrap; margin-top:18px;}

.hero__stats{
  display:grid; grid-template-columns: repeat(3, 1fr);
  gap:12px; margin-top:22px;
}

.stat{
  padding: 22px 22px;          /* MÁS espacio interno */
  min-height: 130px;           /* ALTURA mínima */
  border: 1px solid var(--stroke);
  border-radius: var(--radius);
  background: var(--card);
  box-shadow: var(--shadow);

  display: flex;
  flex-direction: column;
  justify-content: center;     /* centra el contenido verticalmente */
  gap: 6px;
}

.stat__k{font-weight:800}
.stat__v{color:var(--muted); margin-top:4px; font-size: 13px}

.card{
  border: 1px solid var(--stroke);
  border-radius: var(--radius);
  background: var(--card);
  box-shadow: var(--shadow);
  padding: 18px;
  backdrop-filter: blur(10px);
}
.grid{display:grid; gap:12px;}
.grid--2{grid-template-columns: repeat(2, 1fr);}

.chips{display:flex; flex-wrap:wrap; gap:8px; margin-top:10px;}
.chip{
  padding: 8px 10px;
  border:1px solid rgba(20,24,35,.10);
  border-radius:999px;
  background: rgba(255,255,255,.7);
  font-weight:600;
  font-size: 13px;
}

/* ---------- Buttons (neutral by default) ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding: 10px 14px;
  border-radius: 12px;
  border: 1px solid rgba(20,24,35,.10);
  background: rgba(255,255,255,.65);   /* ⬅️ neutro */
  color: var(--text);
  text-decoration:none;
  font-weight:800;
  cursor:pointer;
  transition:
    background .25s ease,
    transform .15s ease,
    box-shadow .15s ease,
    color .15s ease;
}

.btn--ghost{
  background: rgba(255,255,255,.65);
}


.badge{
  font-size:12px; font-weight:800;
  padding:6px 10px; border-radius:999px;
  border:1px solid rgba(20,24,35,.10);
  background: rgba(255,255,255,.7);
}
.badge--soft{ background: rgba(255,255,255,.6); }

.muted{color:var(--muted)}
.bullets{margin:0; padding-left: 18px; color:var(--muted)}
.mono{font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;}

.timeline .tl{display:grid; grid-template-columns: 16px 1fr; gap:12px; padding: 10px 0;}
.tl__dot{width:10px; height:10px; border-radius:50%; margin-top:8px; background: linear-gradient(90deg, var(--a1), var(--a2));}

.contact{display:flex; align-items:center; justify-content:space-between; gap:14px; flex-wrap:wrap;}
.contact__actions{display:flex; gap:10px; flex-wrap:wrap;}
.footer{padding: 26px 0 20px;}

/* ---------- Courses Accordion ---------- */
.courses__panel{ position: relative; overflow: hidden; }
.courses__panel::before{
  content:"";
  position:absolute;
  inset:-40px -40px auto -40px;
  height: 220px;
  background:
    radial-gradient(520px 200px at 20% 40%, rgba(56,189,248,.18), transparent 60%),
    radial-gradient(520px 200px at 80% 10%, rgba(167,139,250,.18), transparent 60%);
  pointer-events:none;
}
.courses__header{
  position: relative;
  display:flex; align-items:flex-start; justify-content:space-between;
  gap:12px; margin-bottom: 10px;
}
.courses__meta{ display:flex; gap:8px; flex-wrap:wrap; justify-content:flex-end; }
.accordion{ position: relative; display:flex; flex-direction:column; gap:10px; margin-top: 10px; }

.acc{
  border: 1px solid rgba(20,24,35,.10);
  border-radius: 16px;
  background: rgba(255,255,255,.62);
  overflow: hidden;
  transition: transform .15s ease, box-shadow .15s ease;
}
.acc:hover{ transform: translateY(-1px); box-shadow: 0 14px 30px rgba(17,24,39,.10); }

.acc__sum{
  list-style: none;
  cursor: pointer;
  padding: 14px 14px;
  display:flex; align-items:center; justify-content:space-between;
  gap:12px;
}
.acc__sum::-webkit-details-marker{ display:none; }

.acc__left{ display:flex; align-items:center; gap:10px; min-width: 260px; }
.acc__icon{
  width: 34px; height: 34px;
  border-radius: 12px;
  display:grid; place-items:center;
  border: 1px solid rgba(20,24,35,.10);
  background: rgba(255,255,255,.7);
  font-weight: 900;
}
.acc__sub{ display:block; font-size: 13px; margin-top: 2px; }

.tag{
  font-size: 12px; font-weight: 800;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid rgba(20,24,35,.10);
  background: rgba(255,255,255,.75);
}
.acc__right{ display:flex; gap:8px; flex-wrap:wrap; justify-content:flex-end; }
.acc__body{ padding: 0 14px 14px; color: var(--muted); }

.courseList{
  margin: 8px 0 0; padding: 0; list-style: none;
  display: grid; gap: 8px;
}
.courseList li{ display:flex; align-items:flex-start; gap:10px; }
.dot{
  width: 8px; height: 8px; border-radius: 999px;
  margin-top: 8px;
  background: linear-gradient(90deg, var(--a1), var(--a2));
  flex: 0 0 auto;
}
.courses__footer{
  position: relative;
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px dashed rgba(20,24,35,.12);
}
.small{ font-size: 13px; }

/* ---------- Carousel ---------- */
.carousel { margin-top: 10px; }
.carousel__top{ display:flex; align-items:center; gap:10px; }
.carousel__viewport{
  overflow:hidden;
  border-radius: var(--radius);
  flex: 1;
}
.carousel__track{
  display:flex;
  transition: transform .35s ease;
  will-change: transform;
}
.slide{ min-width: 100%; margin: 0; }

.iconbtn{
  width:44px; height:44px;
  border-radius: 14px;
  border: 1px solid rgba(20,24,35,.10);
  background: rgba(255,255,255,.7);
  box-shadow: var(--shadow);
  cursor:pointer;
  font-size: 22px;
  font-weight: 900;
  line-height: 1;
  transition: transform .15s ease, box-shadow .15s ease;
}
.iconbtn:hover{ transform: translateY(-1px); box-shadow: 0 14px 30px rgba(17,24,39,.10); }

.carousel__bottom{
  display:flex; align-items:center; justify-content:space-between;
  gap:12px; margin-top: 10px;
}
.dots{ display:flex; gap:8px; flex-wrap:wrap; }
.dotBtn{
  width:10px; height:10px; border-radius:999px;
  border: 1px solid rgba(20,24,35,.18);
  background: rgba(17,24,39,.12);
  cursor:pointer;
}
.dotBtn.is-active{
  width:24px;
  background: linear-gradient(90deg, var(--a1), var(--a2));
  border-color: transparent;
}

/* ---------- Top Projects Card (Image + Product UI) ---------- */
.project.slide{ padding: 18px; }
.pCard{
  display:grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 14px;
  align-items: stretch;
}

.pCard__media{
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid rgba(20,24,35,.10);
  background: rgba(255,255,255,.55);
  min-height: 240px; /* clave para que la imagen SI se vea */
}

.pCard__img{
  width:100%;
  height:100%;
  object-fit: cover;
  display:block;
  transform: scale(1.02);
  transition: transform .35s ease;
}

/* Disable overlay to keep images sharp */
.pCard__overlay{
  display: none;
}

.pCard__meta{
  position:absolute;
  left: 10px;
  top: 10px;
  display:flex;
  gap:8px;
  flex-wrap:wrap;
}

.pCard__body{
  display:flex;
  flex-direction: column;
  gap: 10px;
  padding: 4px 2px;
}
.pCard__title{
  margin:0;
  font-size: 20px;
  letter-spacing: -.02em;
}
.pCard__desc{ margin: 6px 0 0; }
.pCard__tags{ display:flex; gap:8px; flex-wrap:wrap; }
.pCard__bullets{ margin-top: 0; margin-bottom: 0; }

.pCard__actions{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  align-items:center;
  margin-top: auto;
}

.project.slide:hover .pCard__img{
  transform: scale(1.06);
}

/* ---------- Responsive ---------- */
@media (max-width: 980px){
  .hero__title{font-size:40px;}
  .hero__stats{grid-template-columns:1fr;}
  .grid--2{grid-template-columns:1fr;}
  .pCard{ grid-template-columns: 1fr; }
  .pCard__media{ min-height: 220px; }
}

/* ---------- Flip Cards (Hero Stats) ---------- */
.hero__stats--flip{
  gap: 12px;
}

.flip{
  perspective: 1200px;
  outline: none;
}

.flip__inner{
  position: relative;
  width: 100%;
  height: 100%;
  min-height: 96px;              /* similar al stat */
  transform-style: preserve-3d;
  transition: transform .6s cubic-bezier(.2,.8,.2,1);
}

.flip__front,
.flip__back{
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
}

.flip__front{
  height: 100%;
}

.flip__back{
  position: absolute;
  inset: 0;
  transform: rotateY(180deg);
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
}

/* Flip on hover + keyboard focus */
.flip:hover .flip__inner,
.flip:focus .flip__inner,
.flip:focus-visible .flip__inner{
  transform: rotateY(180deg);
}

/* Back content style */
.flip__title{
  font-weight: 900;
}

.flip__text{
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.4;
}

.flip__stack{
  margin: 0;
  font-weight: 800;
  font-size: 12px;
  opacity: .9;
}

/* Nice "tech" sheen on back */
.flip__back.stat{
  background:
    radial-gradient(520px 220px at 20% 30%, rgba(56,189,248,.14), transparent 60%),
    radial-gradient(520px 220px at 80% 20%, rgba(167,139,250,.14), transparent 60%),
    var(--card);
}

.flip.is-flipped .flip__inner{
  transform: rotateY(180deg);
}

/* Accessibility: reduce motion */
@media (prefers-reduced-motion: reduce){
  .flip__inner{ transition: none; }
  .flip:hover .flip__inner,
  .flip:focus .flip__inner,
  .flip:focus-visible .flip__inner{
    transform: none;
  }
}

/* ---------- Buttons hover unified (LinkedIn style) ---------- */
.btn,
.btn--ghost{
  transition: 
    background .25s ease,
    transform .15s ease,
    box-shadow .15s ease,
    color .15s ease;
}

.btn:hover,
.btn--ghost:hover{
  background: linear-gradient(
    90deg,
    rgba(56,189,248,.25),
    rgba(167,139,250,.25)
  );
  color: var(--text);
  transform: translateY(-1px);
  box-shadow: 0 14px 30px rgba(17,24,39,.10);
}

.btn[href*="linkedin"]:hover{
  background: linear-gradient(
    90deg,
    rgba(56,189,248,.35),
    rgba(167,139,250,.35)
  );
}

/* ---------- Skills upgrade (purple/blue glow) ---------- */
.skillsGrid{
  position: relative;
}

/* Card glow + gradient border */
.skillCard{
  position: relative;
  overflow: hidden;
}

/* subtle background glow */
.skillCard::before{
  content:"";
  position:absolute;
  inset:-60px -60px auto -60px;
  height: 220px;
  background:
    radial-gradient(520px 220px at 15% 30%, rgba(56,189,248,.18), transparent 60%),
    radial-gradient(520px 220px at 85% 10%, rgba(167,139,250,.18), transparent 60%);
  pointer-events:none;
  opacity: .55;
}

/* gradient border effect */
.glowCard::after{
  content:"";
  position:absolute;
  inset:0;
  border-radius: var(--radius);
  padding: 1px;
  background: linear-gradient(
    90deg,
    rgba(56,189,248,.45),
    rgba(167,139,250,.45)
  );

  /* Standard mask (fixes warning) */
  mask:
    linear-gradient(#000 0 0) content-box,
    linear-gradient(#000 0 0);

  /* WebKit mask (Safari / Chromium) */
  -webkit-mask:
    linear-gradient(#000 0 0) content-box,
    linear-gradient(#000 0 0);

  -webkit-mask-composite: xor;
  mask-composite: exclude;

  opacity: .25;
  pointer-events:none;
  transition: opacity .25s ease;
}


/* hover: more glow */
.skillCard:hover::after{
  opacity: .7;
}

.skillCard:hover{
  box-shadow:
    0 14px 30px rgba(17,24,39,.10),
    0 0 0 1px rgba(56,189,248,.10),
    0 0 28px rgba(167,139,250,.16);
  transform: translateY(-2px);
  transition: transform .15s ease, box-shadow .15s ease;
}

/* Make sure content sits above glow layers */
.skillCard > *{
  position: relative;
  z-index: 1;
}

/* Chips look more "tech" */
.chip{
  border: 1px solid rgba(20,24,35,.10);
  background: rgba(255,255,255,.72);
  transition: transform .15s ease, box-shadow .15s ease, background .25s ease;
}

.chip:hover{
  background: linear-gradient(90deg, rgba(56,189,248,.18), rgba(167,139,250,.18));
  box-shadow: 0 10px 22px rgba(17,24,39,.10);
  transform: translateY(-1px);
}

/* ---------- Reusable glow card (same as Skills) ---------- */
.glowCard{
  position: relative;
  overflow: hidden;
}

/* subtle background glow */
.glowCard::before{
  content:"";
  position:absolute;
  inset:-60px -60px auto -60px;
  height: 220px;
  background:
    radial-gradient(520px 220px at 15% 30%, rgba(56,189,248,.18), transparent 60%),
    radial-gradient(520px 220px at 85% 10%, rgba(167,139,250,.18), transparent 60%);
  pointer-events:none;
  opacity: .55;
}

/* gradient border effect */
.glowCard::after{
  content:"";
  position:absolute;
  inset:0;
  border-radius: var(--radius);
  padding: 1px;
  background: linear-gradient(
    90deg,
    rgba(56,189,248,.45),
    rgba(167,139,250,.45)
  );

  /* Standard mask (fixes warning) */
  mask:
    linear-gradient(#000 0 0) content-box,
    linear-gradient(#000 0 0);

  /* WebKit mask (Safari / Chromium) */
  -webkit-mask:
    linear-gradient(#000 0 0) content-box,
    linear-gradient(#000 0 0);

  -webkit-mask-composite: xor;
  mask-composite: exclude;

  opacity: .25;
  pointer-events:none;
  transition: opacity .25s ease;
}


/* hover: more glow */
.glowCard:hover::after{
  opacity: .7;
}

.glowCard:hover{
  box-shadow:
    0 14px 30px rgba(17,24,39,.10),
    0 0 0 1px rgba(56,189,248,.10),
    0 0 28px rgba(167,139,250,.16);
  transform: translateY(-2px);
  transition: transform .15s ease, box-shadow .15s ease;
}

/* Keep content above glow layers */
.glowCard > *{
  position: relative;
  z-index: 1;
}


/* ---------- Courses proof (real background for diplomados y experiencia) ---------- */
.coursesProof{
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px dashed rgba(20,24,35,.12);
}

.coursesProof__title{
  margin: 0 0 6px;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: rgba(17,24,39,.55);
}

.coursesProof__list{
  margin: 0;
  padding-left: 0;
  list-style: none;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-size: 13px;
  color: rgba(17,24,39,.75);
  display: grid;
  gap: 6px;
}

.coursesProof__list li{
  position: relative;
  padding-left: 14px;
}

.coursesProof__list li::before{
  content: "•";
  position: absolute;
  left: 0;
  color: rgba(56,189,248,.8);
}