/* ===== Home: presentación personal ===== */
:root {
  --bg: #f6f7f9;
  --surface: rgba(255, 255, 255, 0.75);
  --solid: #ffffff;
  --text: #0f172a;
  --muted: #526077;
  --faint: #8a97ab;
  --border: rgba(15, 23, 42, 0.09);
  --accent: #0d9488;
  --accent-2: #2563eb;
  --glow: rgba(13, 148, 136, 0.16);
  --node: 15, 23, 42;
  --link: 13, 148, 136;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #070b14;
    --surface: rgba(17, 24, 39, 0.62);
    --solid: #0f1623;
    --text: #e8edf5;
    --muted: #9aa8bd;
    --faint: #64748b;
    --border: rgba(148, 163, 184, 0.14);
    --accent: #2dd4bf;
    --accent-2: #60a5fa;
    --glow: rgba(45, 212, 191, 0.2);
    --node: 226, 232, 240;
    --link: 45, 212, 191;
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 16px/1.65 "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  overflow-x: hidden;
}
a { color: inherit; }

/* barra de progreso de lectura */
#progress {
  position: fixed; top: 0; left: 0; height: 3px; width: 0; z-index: 50;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
}

.wrap { max-width: 980px; margin: 0 auto; padding: 0 20px; }

/* ---------- HERO ---------- */
.hero {
  position: relative; min-height: 100svh;
  display: grid; place-items: center; overflow: hidden; isolation: isolate;
}
#net { position: absolute; inset: 0; width: 100%; height: 100%; z-index: -2; }
.hero::after {
  content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background: radial-gradient(ellipse 55% 50% at 50% 50%, var(--bg) 10%, transparent 78%);
}
.hero-inner { text-align: center; padding: 64px 20px 96px; max-width: 760px; }

.avatar {
  width: 128px; height: 128px; margin: 0 auto 26px; border-radius: 50%; padding: 3px;
  background: conic-gradient(from 0deg, var(--accent), var(--accent-2), var(--accent));
  animation: spin 10s linear infinite; box-shadow: 0 0 48px var(--glow);
}
.avatar-inner {
  width: 100%; height: 100%; border-radius: 50%; overflow: hidden;
  display: grid; place-items: center; background: var(--solid);
  animation: spin 10s linear infinite reverse;
  font-weight: 800; font-size: 38px; letter-spacing: -0.02em; color: var(--accent);
}
.avatar-inner img { width: 100%; height: 100%; object-fit: cover; display: block; }
@keyframes spin { to { transform: rotate(360deg); } }

.loc { display: inline-flex; align-items: center; gap: 6px; color: var(--muted); font-size: 14px; font-weight: 500; }
.loc .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); animation: ping 2.2s infinite; }
@keyframes ping { 0% { box-shadow: 0 0 0 0 var(--glow); } 70% { box-shadow: 0 0 0 10px transparent; } 100% { box-shadow: none; } }

h1.name {
  font-size: clamp(40px, 8.5vw, 76px); line-height: 1; letter-spacing: -0.045em; font-weight: 800;
  margin: 18px 0 16px;
}
h1.name .grad { background: linear-gradient(90deg, var(--accent), var(--accent-2)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.headline { font-size: clamp(17px, 2.6vw, 21px); color: var(--muted); margin: 0 auto 22px; max-width: 620px; }
.headline strong { color: var(--text); font-weight: 600; }
.typed-line { font-size: clamp(18px, 3vw, 24px); font-weight: 600; min-height: 1.5em; margin: 0; }
.typed-line .pre { color: var(--faint); }
.typed { color: var(--accent); }
.caret { display: inline-block; width: 2px; height: 1em; margin-left: 3px; vertical-align: -0.12em; background: var(--accent); animation: blink 1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }

.scroll-hint { position: absolute; bottom: 26px; left: 50%; transform: translateX(-50%); width: 24px; height: 38px; border: 2px solid var(--border); border-radius: 14px; }
.scroll-hint::before { content: ""; position: absolute; top: 7px; left: 50%; width: 4px; height: 8px; margin-left: -2px; border-radius: 2px; background: var(--accent); animation: wheel 1.8s infinite; }
@keyframes wheel { 0% { opacity: 0; transform: translateY(0); } 30% { opacity: 1; } 100% { opacity: 0; transform: translateY(12px); } }

/* ---------- SECCIONES ---------- */
section.block { padding: 88px 0; }
.eyebrow { color: var(--accent); font-weight: 700; font-size: 13px; letter-spacing: .14em; text-transform: uppercase; margin: 0 0 10px; }
h2 { font-size: clamp(28px, 4.6vw, 42px); letter-spacing: -0.03em; line-height: 1.1; margin: 0 0 32px; }

/* Cifras */
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.stat { padding: 26px 22px; border-radius: 20px; background: var(--surface); border: 1px solid var(--border); backdrop-filter: blur(10px); }
.stat .big { font-size: clamp(30px, 5vw, 44px); font-weight: 800; letter-spacing: -0.04em; line-height: 1; background: linear-gradient(90deg, var(--accent), var(--accent-2)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.stat .lbl { margin-top: 10px; color: var(--muted); font-size: 14px; line-height: 1.45; }
@media (max-width: 640px) { .stats { grid-template-columns: 1fr; } }

/* Acerca de */
.about { font-size: clamp(18px, 2.4vw, 22px); line-height: 1.6; color: var(--muted); max-width: 820px; margin: 0; }
.about mark { background: none; color: var(--text); font-weight: 600; }

/* Experiencia: tarjetas desplegables */
.xp { display: grid; gap: 12px; }
.job {
  border-radius: 20px; background: var(--surface); border: 1px solid var(--border);
  backdrop-filter: blur(10px); overflow: hidden; position: relative;
  transition: border-color .25s, box-shadow .25s;
}
.job::before {
  content: ""; position: absolute; inset: 0; pointer-events: none; opacity: 0; transition: opacity .3s;
  background: radial-gradient(420px circle at var(--mx, 50%) var(--my, 50%), var(--glow), transparent 45%);
}
.job:hover::before { opacity: 1; }
.job:hover, .job.open { border-color: color-mix(in srgb, var(--accent) 45%, transparent); }
.job.open { box-shadow: 0 18px 44px var(--glow); }
.job button {
  all: unset; box-sizing: border-box; cursor: pointer; width: 100%;
  display: grid; grid-template-columns: 52px 1fr auto; gap: 16px; align-items: center;
  padding: 20px 22px;
}
.job button:focus-visible { outline: 2px solid var(--accent); outline-offset: -2px; border-radius: 20px; }
.logo {
  width: 52px; height: 52px; border-radius: 14px; display: grid; place-items: center;
  font-weight: 800; font-size: 14px; letter-spacing: -0.02em; color: #fff;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
}
.job .role { display: block; font-weight: 700; font-size: 17px; line-height: 1.3; }
.job .org { display: block; color: var(--muted); font-size: 14px; margin-top: 2px; }
.job .when { color: var(--faint); font-size: 13px; text-align: right; white-space: nowrap; }
.job .now { display: inline-block; font-size: 11px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--accent); background: color-mix(in srgb, var(--accent) 14%, transparent); padding: 3px 8px; border-radius: 999px; margin-bottom: 4px; }
.chev { display: block; margin: 6px 0 0 auto; transition: transform .3s; color: var(--faint); }
.job.open .chev { transform: rotate(180deg); color: var(--accent); }
.job .body { display: grid; grid-template-rows: 0fr; transition: grid-template-rows .35s ease; }
.job.open .body { grid-template-rows: 1fr; }
.job .body > div { overflow: hidden; }
.job .body p { margin: 0; padding: 0 22px 0 90px; color: var(--muted); font-size: 15px; }
.tags { display: flex; flex-wrap: wrap; gap: 6px; padding: 14px 22px 22px 90px; }
.tag { font-size: 12px; font-weight: 600; padding: 4px 10px; border-radius: 999px; border: 1px solid var(--border); color: var(--muted); }
@media (max-width: 640px) {
  .job button { grid-template-columns: 44px 1fr; }
  .logo { width: 44px; height: 44px; font-size: 12px; }
  .job .when { grid-column: 2; text-align: left; margin-top: -8px; }
  .chev { display: none; }
  .job .body p { padding: 0 20px; }
  .tags { padding: 14px 20px 20px; }
}

/* Educación */
.edu { display: grid; gap: 12px; grid-template-columns: repeat(2, 1fr); }
.edu-item { padding: 22px; border-radius: 20px; background: var(--surface); border: 1px solid var(--border); transition: transform .25s, border-color .25s; }
.edu-item:hover { transform: translateY(-3px); border-color: color-mix(in srgb, var(--accent) 45%, transparent); }
.edu-item.main { grid-column: span 1; }
.edu-item .yr { font-size: 13px; color: var(--accent); font-weight: 700; }
.edu-item strong { display: block; font-size: 17px; margin: 4px 0 2px; line-height: 1.3; }
.edu-item span { color: var(--muted); font-size: 14px; }
@media (max-width: 720px) { .edu { grid-template-columns: 1fr; } }

/* Certificaciones */
.certs { display: grid; gap: 10px; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); }
.cert { display: flex; gap: 14px; align-items: center; padding: 16px 18px; border-radius: 16px; background: var(--surface); border: 1px solid var(--border); }
.cert .b { flex: none; width: 40px; height: 40px; border-radius: 11px; display: grid; place-items: center; color: #fff; background: linear-gradient(135deg, var(--accent), var(--accent-2)); }
.cert strong { font-size: 15px; line-height: 1.35; }

/* Habilidades */
.skills { display: grid; gap: 14px; grid-template-columns: repeat(3, 1fr); }
.skill-group { padding: 24px; border-radius: 20px; background: var(--surface); border: 1px solid var(--border); }
.skill-group h3 { margin: 0 0 14px; font-size: 16px; display: flex; align-items: center; gap: 8px; }
.skill-group h3 i { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip { font-size: 13px; font-weight: 600; padding: 6px 11px; border-radius: 999px; background: color-mix(in srgb, var(--text) 5%, transparent); border: 1px solid var(--border); transition: all .2s; cursor: default; }
.chip:hover { color: var(--accent); border-color: var(--accent); transform: translateY(-2px); }
@media (max-width: 860px) { .skills { grid-template-columns: 1fr; } }

/* Cierre */
.closing { text-align: center; padding: 100px 0 80px; }
.closing h2 { margin-bottom: 14px; }
.closing p { color: var(--muted); margin: 0 auto 28px; max-width: 520px; }
.li-btn {
  display: inline-flex; align-items: center; gap: 10px; padding: 14px 26px; border-radius: 14px;
  font-weight: 700; text-decoration: none; color: #fff;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  transition: transform .2s, box-shadow .2s;
}
.li-btn:hover { transform: translateY(-2px); box-shadow: 0 14px 34px var(--glow); }
footer { text-align: center; color: var(--faint); font-size: 13px; padding: 0 0 40px; }

/* Aparecer al hacer scroll */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in { opacity: 1; transform: none; }
.d1 { transition-delay: .08s; } .d2 { transition-delay: .16s; } .d3 { transition-delay: .24s; } .d4 { transition-delay: .32s; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}