:root{
  --bg:#FAFAFC;
  --surface:#FFFFFF;
  --ink:#17151F;
  --ink-soft:#4B4757;
  --line:#E6E4EE;
  --accent:#6B3FF2;        /* violeta Kotlin, oscurecido para contraste */
  --accent-soft:#F1EBFF;
  --code-bg:#1D1930;
  --code-str:#8FE3B4;
  --code-kw:#B79CFF;
  --code-prop:#F0EDF9;
  --radius:14px;
  --maxw:1040px;
  --header-bg:rgba(250,250,252,.85);
}
[data-theme="dark"]{
  --bg:#12101A;
  --surface:#1B1826;
  --ink:#F0EDF9;
  --ink-soft:#A79FBC;
  --line:#2C2740;
  --accent:#9B7BFF;
  --accent-soft:rgba(155,123,255,.16);
  --code-bg:#221D33;
  --header-bg:rgba(18,16,26,.85);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--bg);
  color:var(--ink);
  font-family:'Inter',system-ui,sans-serif;
  font-size:16px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  transition:background-color .4s ease,color .4s ease;
}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
a:focus-visible,button:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}

/* ---------- Nav ---------- */
header{
  position:sticky;top:0;z-index:10;
  background:var(--header-bg);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:background-color .4s ease,border-color .4s ease;
}
.nav{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{font-family:'JetBrains Mono',monospace;font-weight:700;font-size:.95rem;color:var(--ink)}
.logo:hover{text-decoration:none}
.logo .p{color:var(--accent)}
nav ul{display:flex;gap:26px;list-style:none;align-items:center}
nav a{color:var(--ink-soft);font-size:.9rem;font-weight:500}
nav a:hover{color:var(--accent);text-decoration:none}
.lang-toggle{
  display:flex;border:1px solid var(--line);border-radius:8px;overflow:hidden;
  font-family:'JetBrains Mono',monospace;font-size:.78rem;
}
.lang-toggle button{
  background:transparent;border:none;padding:6px 12px;cursor:pointer;
  color:var(--ink-soft);font-family:inherit;font-size:inherit;
}
.lang-toggle button.active{background:var(--accent);color:#fff}

/* ---------- Toggle sol/luna ---------- */
.theme-toggle{
  width:36px;height:36px;border-radius:50%;
  border:1px solid var(--line);background:transparent;
  display:grid;place-items:center;cursor:pointer;color:var(--ink);
  transition:border-color .25s ease,box-shadow .25s ease,transform .3s ease,background-color .25s ease;
}
.theme-toggle:hover{
  border-color:var(--accent);
  box-shadow:0 0 0 5px var(--accent-soft);
  transform:rotate(40deg) scale(1.08);
}
.theme-toggle:active{transform:rotate(40deg) scale(.92)}
.theme-toggle svg{width:20px;height:20px;overflow:visible}
.theme-toggle .sun{fill:currentColor;transition:r .45s cubic-bezier(.4,0,.2,1)}
.theme-toggle .moon-cutout{transition:cx .45s cubic-bezier(.4,0,.2,1),cy .45s cubic-bezier(.4,0,.2,1)}
.theme-toggle .rays{
  stroke:currentColor;stroke-width:1.7;stroke-linecap:round;
  transform-origin:center;transform-box:fill-box;
  transition:transform .45s cubic-bezier(.4,0,.2,1),opacity .3s ease;
}
.theme-toggle:hover .rays{transform:rotate(30deg)}
[data-theme="dark"] .theme-toggle .rays{opacity:0;transform:scale(.3) rotate(90deg)}
[data-theme="dark"] .theme-toggle .sun{r:8}
[data-theme="dark"] .theme-toggle .moon-cutout{cx:17;cy:7}
[data-theme="dark"] .theme-toggle:hover{transform:rotate(-25deg) scale(1.08)}

/* Barrido circular al cambiar de tema (View Transitions API) */
::view-transition-old(root),
::view-transition-new(root){animation:none;mix-blend-mode:normal}

/* ---------- Section headers estilo Kotlin ---------- */
.fn-header{
  font-family:'JetBrains Mono',monospace;
  font-size:1.35rem;font-weight:700;
  margin-bottom:6px;
}
.fn-header .kw{color:var(--accent);font-weight:500}
.fn-close{
  font-family:'JetBrains Mono',monospace;color:var(--line);
  font-size:1.1rem;margin-top:34px;user-select:none;
}
.section-sub{color:var(--ink-soft);font-size:.95rem;margin-bottom:34px;max-width:620px}
section{padding:72px 0 8px}

/* ---------- Hero (index) ---------- */
.hero{
  display:grid;grid-template-columns:1.1fr .9fr;gap:48px;
  align-items:center;padding:88px 0 64px;
}
.hero h1{
  font-family:'Space Grotesk',sans-serif;
  font-size:clamp(2.4rem,5vw,3.6rem);
  font-weight:700;line-height:1.08;letter-spacing:-.02em;
}
.hero h1 .accent{color:var(--accent)}
.hero .tagline{margin-top:18px;color:var(--ink-soft);font-size:1.05rem;max-width:46ch}
.hero-cta{margin-top:30px;display:flex;gap:14px;flex-wrap:wrap}
.btn{
  display:inline-block;padding:12px 22px;border-radius:10px;
  font-weight:600;font-size:.92rem;transition:transform .15s ease;
}
.btn:hover{text-decoration:none;transform:translateY(-2px)}
.btn-primary{background:var(--accent);color:#fff}
.btn-ghost{border:1px solid var(--line);color:var(--ink)}

.code-card{
  background:var(--code-bg);border-radius:var(--radius);
  padding:26px 28px;font-family:'JetBrains Mono',monospace;
  font-size:.85rem;line-height:1.8;color:var(--code-prop);
  box-shadow:0 20px 50px -20px rgba(107,63,242,.35);
  overflow-x:auto;
}
.code-card .kw{color:var(--code-kw)}
.code-card .str{color:var(--code-str)}
.code-card .cm{color:#6E6788}

/* ---------- Experiencia ---------- */
.xp-card{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius);padding:30px 32px;margin-bottom:20px;
}
.xp-top{display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;align-items:baseline}
.xp-role{font-family:'Space Grotesk',sans-serif;font-weight:700;font-size:1.2rem}
.xp-org{color:var(--accent);font-weight:600;font-size:.95rem}
.xp-date{font-family:'JetBrains Mono',monospace;font-size:.78rem;color:var(--ink-soft)}
.xp-card p{margin-top:12px;color:var(--ink-soft);font-size:.95rem}
.xp-card ul{margin:14px 0 0 18px;color:var(--ink-soft);font-size:.93rem}
.xp-card li{margin-bottom:8px}

/* ---------- Proyectos (tarjetas enlazables) ---------- */
.projects{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:20px}
a.proj{color:inherit}
a.proj:hover{text-decoration:none}
.proj{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius);padding:26px 26px 22px;
  display:flex;flex-direction:column;
  transition:border-color .2s ease, transform .2s ease;
}
.proj:hover{border-color:var(--accent);transform:translateY(-3px)}
.proj-type{
  font-family:'JetBrains Mono',monospace;font-size:.72rem;
  color:var(--accent);background:var(--accent-soft);
  align-self:flex-start;padding:3px 10px;border-radius:20px;margin-bottom:14px;
}
.proj h3{font-family:'Space Grotesk',sans-serif;font-size:1.15rem;margin-bottom:8px}
.proj p{color:var(--ink-soft);font-size:.92rem;flex:1}
.tags{display:flex;flex-wrap:wrap;gap:7px;margin-top:16px}
.tag{
  font-family:'JetBrains Mono',monospace;font-size:.72rem;
  border:1px solid var(--line);border-radius:6px;padding:3px 8px;color:var(--ink-soft);
}
.proj-link{
  margin-top:16px;font-size:.85rem;font-weight:600;color:var(--accent);
  transition:transform .2s ease;display:inline-block;
}
.proj:hover .proj-link{transform:translateX(4px)}

/* ---------- Skills ---------- */
.skills-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:20px}
.skill-block{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px 24px}
.skill-block h4{
  font-family:'JetBrains Mono',monospace;font-size:.8rem;
  color:var(--accent);margin-bottom:12px;font-weight:500;
}
.skill-block ul{list-style:none}
.skill-block li{
  font-size:.9rem;color:var(--ink-soft);padding:5px 0;
  border-bottom:1px dashed var(--line);
}
.skill-block li:last-child{border-bottom:none}

/* ---------- Contacto ---------- */
.contact-card{
  background:var(--code-bg);border-radius:var(--radius);
  padding:44px 40px;text-align:center;color:#fff;margin-bottom:60px;
}
.contact-card h2{font-family:'Space Grotesk',sans-serif;font-size:1.7rem;margin-bottom:10px}
.contact-card p{color:#B9B3CC;max-width:48ch;margin:0 auto 26px;font-size:.95rem}
.contact-links{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.contact-links a{
  font-family:'JetBrains Mono',monospace;font-size:.85rem;
  border:1px solid #3A3454;border-radius:10px;padding:10px 18px;color:#E9E5F7;
}
.contact-links a:hover{border-color:var(--accent);text-decoration:none;background:rgba(107,63,242,.18)}

footer{
  border-top:1px solid var(--line);padding:26px 0;text-align:center;
  font-family:'JetBrains Mono',monospace;font-size:.75rem;color:var(--ink-soft);
}

/* ---------- Páginas de detalle de proyecto ---------- */
.breadcrumb{
  font-family:'JetBrains Mono',monospace;font-size:.8rem;
  color:var(--ink-soft);padding-top:36px;
}
.breadcrumb a{color:var(--ink-soft)}
.breadcrumb a:hover{color:var(--accent);text-decoration:none}
.detail-hero{padding:26px 0 10px}
.detail-hero h1{
  font-family:'Space Grotesk',sans-serif;
  font-size:clamp(2rem,4.5vw,3rem);
  font-weight:700;letter-spacing:-.02em;line-height:1.1;
}
.detail-hero .lead{margin-top:14px;color:var(--ink-soft);font-size:1.02rem;max-width:66ch}
.meta-row{display:flex;gap:14px;flex-wrap:wrap;margin-top:26px}
.meta-item{
  background:var(--surface);border:1px solid var(--line);border-radius:10px;
  padding:10px 16px;
}
.meta-item .k{
  font-family:'JetBrains Mono',monospace;font-size:.68rem;
  color:var(--accent);display:block;text-transform:uppercase;letter-spacing:.06em;
}
.meta-item .v{font-size:.88rem;font-weight:600}
.detail-section{padding:52px 0 8px}
.detail-section p{color:var(--ink-soft);font-size:.97rem;max-width:72ch;margin-bottom:14px}
.detail-section ul{margin:6px 0 14px 20px;color:var(--ink-soft);font-size:.95rem;max-width:70ch}
.detail-section li{margin-bottom:9px}
.map-table{
  width:100%;border-collapse:collapse;margin:8px 0 10px;
  font-size:.9rem;max-width:640px;
}
.map-table th{
  font-family:'JetBrains Mono',monospace;font-size:.72rem;text-align:left;
  color:var(--accent);padding:10px 14px;border-bottom:2px solid var(--line);
  text-transform:uppercase;letter-spacing:.05em;
}
.map-table td{
  padding:10px 14px;border-bottom:1px solid var(--line);color:var(--ink-soft);
}
.map-table td:first-child{font-family:'JetBrains Mono',monospace;font-size:.82rem;color:var(--ink)}
.detail-nav{
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  padding:56px 0 64px;
}
.detail-nav a{
  font-family:'JetBrains Mono',monospace;font-size:.85rem;
  border:1px solid var(--line);border-radius:10px;padding:10px 18px;color:var(--ink);
}
.detail-nav a:hover{border-color:var(--accent);color:var(--accent);text-decoration:none}

/* ---------- Branding en páginas de detalle ---------- */
.hero-brand{display:flex;align-items:center;gap:16px}
.hero-mark{height:52px;width:auto}
.only-dark{display:none}
[data-theme="dark"] .only-light{display:none}
[data-theme="dark"] .only-dark{display:inline-block}
.h3-mark{height:20px;width:auto;vertical-align:-3px;margin-right:7px}
.brand-row{display:flex;gap:22px;align-items:center;flex-wrap:wrap;margin-bottom:24px}
.app-icon{
  width:84px;height:84px;border-radius:20px;
  border:1px solid var(--line);
  box-shadow:0 10px 26px -12px rgba(0,0,0,.35);
}
.brand-note{color:var(--ink-soft);font-size:.92rem;max-width:52ch}
.palette-grid{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));
  gap:14px;max-width:820px;
}
.swatch{
  border:1px solid var(--line);border-radius:10px;overflow:hidden;
  background:var(--surface);
}
.swatch .chip{height:58px}
.swatch .info{padding:9px 12px}
.swatch .n{font-size:.78rem;font-weight:600;display:block}
.swatch .hx{font-family:'JetBrains Mono',monospace;font-size:.7rem;color:var(--ink-soft)}
.gallery{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));
  gap:14px;margin-top:26px;
}
.gallery img{
  width:100%;display:block;border-radius:10px;
  border:1px solid var(--line);
}
.gallery .full{grid-column:1 / -1}

/* ---------- Responsive & a11y ---------- */
@media (max-width:860px){
  .hero{grid-template-columns:1fr;padding-top:56px}
  nav ul li.nav-link{display:none}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important}
  html{scroll-behavior:auto}
}