/* ==========================================================================
   DAIRON AGUILAR SANTOS — CURRÍCULUM WEB
   Dirección: "plano de ingeniería" — papel cálido, tinta azul marino,
   acento cobalto. Secciones oscuras (hero, contacto) enmarcan el contenido.
   ========================================================================== */

:root {
  /* Paleta base */
  --paper: #f4f2ec;
  --surface: #ffffff;
  --surface-2: #faf9f5;
  --navy: #0a1322;
  --navy-2: #101c31;
  --navy-3: #16253f;

  --accent: #2f5be6;          /* cobalto */
  --accent-strong: #1d43c4;
  --accent-soft: #e9eefc;
  --accent-on-dark: #8ba7ff;
  --signal: #c2620a;          /* ámbar: "actual", ascensos */
  --signal-soft: #fcefdf;
  --live: #15924a;
  --live-soft: #e3f4ea;
  --whatsapp: #1fa855;

  /* Roles semánticos (se redefinen en zonas oscuras) */
  --fg: #0d1626;
  --fg-2: #3a4658;
  --fg-3: #687384;
  --bd: #e2ded3;
  --bd-strong: #cfc9bb;
  --elev: var(--surface);

  /* Tipografía */
  --font-display: 'Archivo', 'Segoe UI', sans-serif;
  --font-sans: 'Plus Jakarta Sans', -apple-system, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'DM Mono', ui-monospace, monospace;

  /* Medidas y movimiento */
  --max-width: 1200px;
  --gutter: clamp(16px, 4vw, 40px);
  --section-y: clamp(72px, 9vw, 128px);
  --r-sm: 6px;
  --r-md: 12px;
  --r-lg: 20px;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-spring: cubic-bezier(0.34, 1.4, 0.64, 1);
  --dur-fast: 180ms;
  --dur: 320ms;
  --shadow-sm: 0 1px 2px rgba(13, 22, 38, 0.05), 0 2px 6px rgba(13, 22, 38, 0.04);
  --shadow-md: 0 2px 4px rgba(13, 22, 38, 0.04), 0 12px 28px -8px rgba(13, 22, 38, 0.14);
  --shadow-lg: 0 4px 8px rgba(13, 22, 38, 0.05), 0 28px 56px -16px rgba(13, 22, 38, 0.28);
  --focus-ring: 0 0 0 2px var(--paper), 0 0 0 4px var(--accent);
}

/* Zonas oscuras: mismas clases, otros valores */
.site-header, .hero-section, .contact-box, .site-footer, .degree-card-feature, .mobile-nav {
  --fg: #eef2f8;
  --fg-2: #b8c3d4;
  --fg-3: #8492a8;
  --bd: rgba(255, 255, 255, 0.1);
  --bd-strong: rgba(255, 255, 255, 0.2);
  --elev: rgba(255, 255, 255, 0.04);
  --focus-ring: 0 0 0 2px var(--navy), 0 0 0 4px var(--accent-on-dark);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 88px; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--fg);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
.lang-pending body { visibility: hidden; }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
ul { list-style: none; }
h1, h2, h3, h4 { font-family: var(--font-display); line-height: 1.15; letter-spacing: -0.015em; color: var(--fg); }
:focus-visible { outline: none; box-shadow: var(--focus-ring); border-radius: var(--r-sm); }
::selection { background: var(--accent); color: #fff; }
.icon { width: 18px; height: 18px; flex-shrink: 0; }
.container { width: 100%; max-width: var(--max-width); margin: 0 auto; padding: 0 var(--gutter); }
.text-accent { color: var(--accent-strong); }

.skip-link {
  position: fixed; top: 12px; left: 12px; z-index: 200;
  padding: 10px 16px; border-radius: var(--r-sm);
  background: var(--accent); color: #fff; font-weight: 600;
  transform: translateY(-160%); transition: transform var(--dur) var(--ease-out);
}
.skip-link:focus { transform: none; }

/* ---------- Botones ---------- */
.btn {
  position: relative; isolation: isolate; overflow: hidden;
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 48px; padding: 0 22px; border-radius: 999px;
  font-weight: 600; font-size: 0.95rem; white-space: nowrap;
  border: 1px solid transparent;
  transition: transform var(--dur-fast) var(--ease-out), background-color var(--dur) var(--ease-out),
              border-color var(--dur) var(--ease-out), color var(--dur) var(--ease-out), box-shadow var(--dur) var(--ease-out);
}
.btn:active { transform: scale(0.97); }
.btn .icon { transition: transform var(--dur) var(--ease-spring); }
.btn:hover .icon { transform: translateY(-2px); }
.btn-primary { background: var(--accent); color: #fff; box-shadow: 0 8px 20px -8px rgba(47, 91, 230, 0.7); }
.btn-primary::after {           /* destello que cruza el botón */
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(110deg, transparent 30%, rgba(255, 255, 255, 0.35) 50%, transparent 70%);
  transform: translateX(-120%); transition: transform 700ms var(--ease-out);
}
.btn-primary:hover { background: var(--accent-strong); box-shadow: 0 12px 28px -10px rgba(47, 91, 230, 0.85); }
.btn-primary:hover::after { transform: translateX(120%); }
.btn-outline { border-color: var(--bd-strong); color: var(--fg); background: var(--elev); }
.btn-outline:hover { border-color: var(--fg); }
.btn-ghost { color: var(--fg-2); }
.btn-ghost:hover { color: var(--fg); background: var(--elev); }

/* ==========================================================================
   Header
   ========================================================================== */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: var(--navy);
  backdrop-filter: saturate(160%) blur(14px);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: background-color var(--dur) var(--ease-out), border-color var(--dur) var(--ease-out), box-shadow var(--dur) var(--ease-out);
}
.site-header.scrolled { background: rgba(10, 19, 34, 0.9); border-color: var(--bd); box-shadow: 0 10px 30px -18px rgba(0, 0, 0, 0.6); }
.header-inner {
  max-width: var(--max-width); margin: 0 auto; padding: 0 var(--gutter);
  height: 76px; display: flex; align-items: center; gap: 24px;
  transition: height var(--dur) var(--ease-out);
}
.site-header.scrolled .header-inner { height: 64px; }
.scroll-progress {
  position: absolute; left: 0; right: 0; bottom: -1px; height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-on-dark));
  transform-origin: 0 50%; transform: scaleX(0);
}

.brand { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.brand-radar {
  position: relative; width: 36px; height: 36px; border-radius: 50%;
  border: 1.5px solid rgba(139, 167, 255, 0.45); overflow: hidden;
  background: radial-gradient(circle, rgba(139, 167, 255, 0.12), transparent 70%);
}
.brand-radar::before { content: ""; position: absolute; inset: 7px; border-radius: 50%; border: 1px dashed rgba(139, 167, 255, 0.35); }
.radar-sweep {
  position: absolute; inset: 0; border-radius: 50%;
  background: conic-gradient(from 0deg, rgba(139, 167, 255, 0.55), transparent 28%);
  animation: spin 3.2s linear infinite;
}
.radar-dot { position: absolute; top: 50%; left: 50%; width: 7px; height: 7px; margin: -3.5px 0 0 -3.5px; border-radius: 50%; background: #f5a524; box-shadow: 0 0 10px #f5a524; }
.brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.brand-name { font-family: var(--font-display); font-weight: 800; font-size: 0.98rem; letter-spacing: 0.04em; color: var(--fg); }
.brand-sub { font-family: var(--font-mono); font-size: 0.66rem; letter-spacing: 0.12em; color: var(--fg-3); }

.main-nav { position: relative; display: flex; gap: 2px; margin: 0 auto; }
.main-nav a {
  position: relative; z-index: 1; padding: 8px 14px; border-radius: 999px;
  font-size: 0.9rem; font-weight: 500; color: var(--fg-2);
  transition: color var(--dur) var(--ease-out);
}
.main-nav a:hover, .main-nav a.active { color: #fff; }
.nav-indicator {          /* píldora que se desliza entre enlaces (script.js) */
  position: absolute; top: 0; left: 0; height: 100%; border-radius: 999px; z-index: 0;
  background: rgba(255, 255, 255, 0.09); box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.08);
  opacity: 0; pointer-events: none;
  transition: transform 450ms var(--ease-out), width 450ms var(--ease-out), opacity var(--dur) var(--ease-out);
}
.nav-indicator.visible { opacity: 1; }

.header-actions { display: flex; align-items: center; gap: 10px; }
.lang-toggle-btn {
  display: inline-flex; align-items: center; gap: 6px; height: 38px; padding: 0 14px;
  border-radius: 999px; border: 1px solid var(--bd); font-family: var(--font-mono); font-size: 0.78rem;
  color: var(--fg-3); transition: border-color var(--dur) var(--ease-out);
}
.lang-toggle-btn:hover { border-color: var(--bd-strong); }
.lang-code { transition: color var(--dur) var(--ease-out); }
.lang-code.lang-active { color: #fff; font-weight: 500; }
.lang-divider { opacity: 0.4; }
.header-cta {
  display: inline-flex; align-items: center; gap: 8px; height: 38px; padding: 0 16px;
  border-radius: 999px; background: var(--accent); color: #fff; font-size: 0.86rem; font-weight: 600;
  transition: background-color var(--dur) var(--ease-out), transform var(--dur-fast) var(--ease-out);
}
.header-cta:hover { background: var(--accent-strong); }
.header-cta:active { transform: scale(0.96); }
.header-cta .icon { width: 16px; height: 16px; }

.menu-toggle { display: none; position: relative; width: 42px; height: 42px; border-radius: 50%; border: 1px solid var(--bd); }
.menu-toggle span {
  position: absolute; left: 12px; right: 12px; height: 1.5px; border-radius: 2px; background: var(--fg);
  transition: transform var(--dur) var(--ease-out), opacity var(--dur-fast) var(--ease-out);
}
.menu-toggle span:nth-child(1) { top: 14px; }
.menu-toggle span:nth-child(2) { top: 20px; }
.menu-toggle span:nth-child(3) { top: 26px; }
.menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

.mobile-nav {
  position: absolute; top: 100%; left: 0; right: 0;
  background: var(--navy); border-bottom: 1px solid var(--bd);
  max-height: calc(100dvh - 64px); overflow-y: auto;
  clip-path: inset(0 0 100% 0); visibility: hidden;
  transition: clip-path 450ms var(--ease-out), visibility 0s linear 450ms;
}
.mobile-nav.open { clip-path: inset(0 0 0 0); visibility: visible; transition: clip-path 450ms var(--ease-out), visibility 0s; }
.mobile-nav-links { display: flex; flex-direction: column; padding: 12px var(--gutter) 28px; }
.mobile-nav-links > a {
  padding: 16px 0; border-bottom: 1px solid var(--bd);
  font-family: var(--font-display); font-size: 1.35rem; font-weight: 600; color: var(--fg);
  opacity: 0; transform: translateY(-12px);
  transition: opacity var(--dur) var(--ease-out), transform 450ms var(--ease-out), color var(--dur-fast);
}
.mobile-nav-links > a:hover { color: var(--accent-on-dark); }
.mobile-nav.open .mobile-nav-links > a, .mobile-nav.open .mobile-cta-group { opacity: 1; transform: none; }
.mobile-nav-links > a:nth-child(1) { transition-delay: 60ms; }
.mobile-nav-links > a:nth-child(2) { transition-delay: 100ms; }
.mobile-nav-links > a:nth-child(3) { transition-delay: 140ms; }
.mobile-nav-links > a:nth-child(4) { transition-delay: 180ms; }
.mobile-nav-links > a:nth-child(5) { transition-delay: 220ms; }
.mobile-nav-links > a:nth-child(6) { transition-delay: 260ms; }
.mobile-cta-group {
  display: grid; gap: 10px; margin-top: 24px;
  opacity: 0; transform: translateY(-12px);
  transition: opacity var(--dur) var(--ease-out) 300ms, transform 450ms var(--ease-out) 300ms;
}

/* ==========================================================================
   Hero
   ========================================================================== */
.hero-section {
  position: relative; overflow: hidden; color: var(--fg);
  background: var(--navy); padding-top: clamp(40px, 6vw, 88px);
}
.hero-bg-grid {           /* retícula de plano */
  position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(139, 167, 255, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(139, 167, 255, 0.07) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 80% 70% at 30% 30%, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 80% 70% at 30% 30%, #000 30%, transparent 75%);
}
.hero-glow {
  position: absolute; width: 720px; height: 720px; top: -260px; right: -180px; pointer-events: none;
  background: radial-gradient(circle, rgba(47, 91, 230, 0.35), transparent 62%);
  animation: drift 18s ease-in-out infinite alternate;
}
.hero-container {
  position: relative; display: grid; grid-template-columns: minmax(0, 1fr) 380px;
  column-gap: clamp(32px, 6vw, 88px); align-items: start;
}
.hero-container > * { grid-column: 1; }
.hero-container > .hero-aside { grid-column: 2; grid-row: 1 / span 7; }

/* Entrada escalonada */
.hero-container > *, .hero-stats-strip { animation: rise 900ms var(--ease-out) both; }
.status-badge { animation-delay: 60ms !important; }
.hero-title { animation-delay: 140ms !important; }
.hero-aside { animation-delay: 260ms !important; }
.hero-specialties { animation-delay: 320ms !important; }
.hero-bio { animation-delay: 380ms !important; }
.hero-seeking { animation-delay: 430ms !important; }
.hero-cta-group { animation-delay: 480ms !important; }
.quick-contact-bar { animation-delay: 530ms !important; }
.hero-stats-strip { animation-delay: 620ms; }

.status-badge {
  justify-self: start; display: inline-flex; align-items: center; gap: 10px;
  padding: 7px 14px 7px 12px; border-radius: 999px; border: 1px solid var(--bd);
  background: var(--elev); font-size: 0.82rem; color: var(--fg-2);
}
.pulse-indicator { position: relative; width: 8px; height: 8px; border-radius: 50%; background: #3ddc84; }
.pulse-indicator::after { content: ""; position: absolute; inset: 0; border-radius: 50%; background: #3ddc84; animation: ping 2s var(--ease-out) infinite; }

.hero-title { margin: 28px 0 0; display: flex; flex-direction: column; gap: 14px; }
.hero-name {
  font-size: clamp(2.6rem, 1.4rem + 5vw, 5.2rem); font-weight: 800; letter-spacing: -0.035em; line-height: 0.98;
  background: linear-gradient(180deg, #fff 30%, #b9c6e4);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero-tagline { font-size: clamp(1.1rem, 0.9rem + 0.9vw, 1.5rem); font-weight: 500; color: var(--accent-on-dark); letter-spacing: -0.01em; }

.hero-specialties { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 28px; }
.tech-pill {
  padding: 6px 12px; border-radius: 999px; border: 1px solid var(--bd);
  font-family: var(--font-mono); font-size: 0.76rem; color: var(--fg-2);
  transition: border-color var(--dur) var(--ease-out), color var(--dur) var(--ease-out), transform var(--dur) var(--ease-spring);
}
.tech-pill:hover { border-color: var(--accent-on-dark); color: #fff; transform: translateY(-2px); }

.hero-bio { margin-top: 26px; max-width: 62ch; font-size: 1.06rem; color: var(--fg-2); }
.hero-seeking {
  margin-top: 22px; padding: 14px 18px; max-width: 62ch;
  border-left: 2px solid var(--accent-on-dark); background: linear-gradient(90deg, rgba(139, 167, 255, 0.08), transparent);
  font-size: 0.95rem; color: var(--fg); border-radius: 0 var(--r-sm) var(--r-sm) 0;
}
.hero-seeking-label { display: block; margin-bottom: 2px; font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--fg-3); }
.hero-cta-group { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.quick-contact-bar { display: flex; flex-wrap: wrap; gap: 8px 24px; margin-top: 28px; padding-bottom: 8px; }
.qc-item { display: inline-flex; align-items: center; gap: 8px; font-size: 0.88rem; color: var(--fg-3); transition: color var(--dur) var(--ease-out); }
.qc-item .icon { width: 16px; height: 16px; }
a.qc-item:hover { color: #fff; }

/* Tarjeta de perfil (clara sobre fondo oscuro) */
.profile-card {
  --fg: #0d1626; --fg-2: #3a4658; --fg-3: #687384; --bd: #e6e2d8;
  position: relative; background: var(--surface); color: var(--fg);
  border-radius: var(--r-lg); padding: 12px; box-shadow: 0 40px 80px -30px rgba(0, 0, 0, 0.7);
  transform: rotate(1.2deg); transition: transform 600ms var(--ease-out);
}
.profile-card:hover { transform: rotate(0deg) translateY(-4px); }
.profile-img-container { position: relative; overflow: hidden; border-radius: 12px; background: var(--navy-3); aspect-ratio: 5 / 6; }
.profile-photo { width: 100%; height: 100%; object-fit: cover; transition: transform 900ms var(--ease-out); }
.profile-card:hover .profile-photo { transform: scale(1.04); }
.profile-overlay-hud { position: absolute; left: 14px; bottom: 14px; }
.hud-status {
  display: inline-flex; align-items: center; gap: 8px; padding: 6px 12px; border-radius: 999px;
  background: rgba(10, 19, 34, 0.72); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  color: #fff; font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.1em;
}
.hud-status::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: #3ddc84; animation: blink 1.6s steps(2) infinite; }
.corner-reticle { position: absolute; width: 18px; height: 18px; border: 2px solid rgba(255, 255, 255, 0.85); transition: transform 500ms var(--ease-out); }
.corner-reticle.top-left { top: 12px; left: 12px; border-right: 0; border-bottom: 0; }
.corner-reticle.top-right { top: 12px; right: 12px; border-left: 0; border-bottom: 0; }
.corner-reticle.bottom-left { bottom: 12px; left: 12px; border-right: 0; border-top: 0; opacity: 0; }
.corner-reticle.bottom-right { bottom: 12px; right: 12px; border-left: 0; border-top: 0; }
.profile-card:hover .top-left { transform: translate(4px, 4px); }
.profile-card:hover .top-right { transform: translate(-4px, 4px); }
.profile-card:hover .bottom-right { transform: translate(-4px, -4px); }

.profile-meta-grid { padding: 14px 8px 6px; }
.meta-row { display: flex; justify-content: space-between; gap: 16px; padding: 9px 0; border-bottom: 1px dashed var(--bd); font-size: 0.84rem; }
.meta-row:last-child { border-bottom: 0; }
.meta-label { color: var(--fg-3); flex-shrink: 0; }
.meta-val { font-weight: 600; text-align: right; }
.profile-channels { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; padding: 6px 0 0; }
.channel-btn {
  display: inline-flex; flex-direction: column; align-items: center; gap: 4px; padding: 10px 4px;
  border-radius: 10px; background: var(--paper); font-size: 0.74rem; font-weight: 600; color: var(--fg-2);
  transition: background-color var(--dur) var(--ease-out), color var(--dur) var(--ease-out), transform var(--dur-fast) var(--ease-out);
}
.channel-btn:hover { transform: translateY(-2px); }
.channel-btn:active { transform: scale(0.95); }
.channel-btn.whatsapp:hover { background: #e3f6ea; color: var(--whatsapp); }
.channel-btn.linkedin:hover { background: var(--accent-soft); color: var(--accent-strong); }
.channel-btn.copy-email:hover { background: var(--signal-soft); color: var(--signal); }

/* Franja de cifras */
.hero-stats-strip { position: relative; margin-top: clamp(56px, 7vw, 96px); border-top: 1px solid var(--bd); }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.stat-card { padding: 30px 24px 34px; border-left: 1px solid var(--bd); transition: background-color var(--dur) var(--ease-out); }
.stat-card:first-child { border-left: 0; padding-left: 0; }
.stat-card:hover { background: linear-gradient(180deg, rgba(139, 167, 255, 0.06), transparent); }
.stat-number { display: block; font-family: var(--font-display); font-size: clamp(2.2rem, 1.6rem + 2vw, 3.2rem); font-weight: 800; line-height: 1; letter-spacing: -0.03em; color: #fff; font-variant-numeric: tabular-nums; }
.stat-title { display: block; margin-top: 10px; font-size: 0.86rem; line-height: 1.45; color: var(--fg-3); max-width: 26ch; }
.stat-countries-pill { display: inline-block; margin-top: 4px; font-family: var(--font-mono); font-size: 0.72rem; color: var(--accent-on-dark); }

/* ==========================================================================
   Secciones
   ========================================================================== */
.section { padding: var(--section-y) 0; }
.section + .section { border-top: 1px solid var(--bd); }
.section-header { display: grid; grid-template-columns: 1fr; gap: 16px; margin-bottom: clamp(40px, 5vw, 64px); max-width: 820px; }
.section-pretitle { display: flex; align-items: center; gap: 14px; font-family: var(--font-mono); font-size: 0.78rem; letter-spacing: 0.1em; text-transform: uppercase; }
.section-num { color: var(--accent); font-weight: 500; }
.section-num::after { content: ""; display: inline-block; vertical-align: middle; width: 40px; height: 1px; margin-left: 14px; background: var(--bd-strong); }
.section-tag { color: var(--fg-3); }
.section-title { font-size: clamp(2rem, 1.3rem + 2.6vw, 3.4rem); font-weight: 700; letter-spacing: -0.03em; }
.section-subtitle { font-size: 1.08rem; color: var(--fg-2); max-width: 64ch; }

/* Tarjeta base compartida + efecto "spotlight" que sigue al cursor */
.about-text-card, .about-details-card, .skill-category-card, .project-card, .cert-item, .readiness-card, .timeline-card {
  position: relative; background: var(--surface); border: 1px solid var(--bd); border-radius: var(--r-md);
  transition: transform var(--dur) var(--ease-out), box-shadow var(--dur) var(--ease-out), border-color var(--dur) var(--ease-out);
}
.spotlight::before {
  content: ""; position: absolute; inset: 0; border-radius: inherit; pointer-events: none; z-index: 0;
  background: radial-gradient(420px circle at var(--mx, 50%) var(--my, 50%), rgba(47, 91, 230, 0.08), transparent 45%);
  opacity: 0; transition: opacity var(--dur) var(--ease-out);
}
.spotlight:hover::before { opacity: 1; }
.spotlight > * { position: relative; z-index: 1; }

/* ---------- Perfil ---------- */
.about-grid { display: grid; grid-template-columns: 1.35fr 1fr; gap: 24px; align-items: start; }
.about-text-card { padding: clamp(28px, 4vw, 44px); }
.about-text-card h3 { font-size: 1.5rem; margin-bottom: 18px; }
.about-text-card p { color: var(--fg-2); margin-bottom: 16px; font-size: 1.04rem; }
.about-highlights { display: grid; gap: 4px; margin-top: 26px; padding-top: 22px; border-top: 1px solid var(--bd); }
.highlight-item { display: flex; gap: 14px; padding: 10px 0; color: var(--fg); font-size: 0.97rem; }
.highlight-check {
  flex-shrink: 0; width: 24px; height: 24px; margin-top: 1px; border-radius: 50%;
  display: grid; place-items: center; font-size: 0.75rem; font-weight: 700;
  background: var(--accent-soft); color: var(--accent-strong);
  transition: transform var(--dur) var(--ease-spring), background-color var(--dur), color var(--dur);
}
.highlight-item:hover .highlight-check { transform: scale(1.15) rotate(-8deg); background: var(--accent); color: #fff; }

.about-details-card { padding: 8px; background: var(--surface-2); position: sticky; top: 96px; }
.card-hud-header { display: flex; align-items: center; gap: 10px; padding: 14px 16px; font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.12em; color: var(--fg-3); }
.dot-live { width: 8px; height: 8px; border-radius: 50%; background: var(--live); box-shadow: 0 0 0 4px var(--live-soft); animation: blink 2s ease-in-out infinite; }
.attribute-list { display: grid; gap: 8px; }
.attr-box {
  display: flex; gap: 16px; padding: 20px; border-radius: 10px; background: var(--surface); border: 1px solid var(--bd);
  transition: transform var(--dur) var(--ease-out), border-color var(--dur) var(--ease-out), box-shadow var(--dur) var(--ease-out);
}
.attr-box:hover { transform: translateX(4px); border-color: var(--accent); box-shadow: var(--shadow-sm); }
.attr-icon, .cert-icon-box, .r-icon {
  flex-shrink: 0; width: 44px; height: 44px; border-radius: 10px; display: grid; place-items: center;
  background: var(--accent-soft); color: var(--accent-strong);
  transition: transform var(--dur) var(--ease-spring), background-color var(--dur), color var(--dur);
}
.attr-icon svg, .cert-icon-box svg, .r-icon svg { width: 22px; height: 22px; }
.attr-box:hover .attr-icon, .cert-item:hover .cert-icon-box, .readiness-card:hover .r-icon { transform: rotate(-6deg) scale(1.08); background: var(--accent); color: #fff; }
.attr-box h4 { font-size: 1.02rem; margin-bottom: 6px; }
.attr-box p { font-size: 0.9rem; color: var(--fg-2); line-height: 1.55; }

/* ---------- Habilidades ---------- */
.skills-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.skill-category-card { padding: clamp(26px, 3vw, 36px); overflow: hidden; }
.skill-category-card::after {   /* línea de acento que crece al pasar el cursor */
  content: ""; position: absolute; left: 0; top: 0; height: 3px; width: 100%;
  background: var(--accent); transform: scaleX(0); transform-origin: 0 50%;
  transition: transform 600ms var(--ease-out);
}
.skill-category-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--bd-strong); }
.skill-category-card:hover::after { transform: scaleX(1); }
.cat-header { display: flex; flex-direction: column; gap: 14px; margin-bottom: 12px; }
.cat-badge { align-self: flex-start; padding: 4px 10px; border-radius: var(--r-sm); background: var(--navy); color: #fff; font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.08em; }
.skill-category-card h3 { font-size: 1.4rem; }
.cat-desc { color: var(--fg-2); font-size: 0.95rem; margin-bottom: 22px; }
.tag-cloud, .job-skills-used, .project-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.tag, .job-skills-used span, .project-tags span {
  padding: 5px 11px; border-radius: 999px; font-size: 0.8rem; font-weight: 500;
  background: var(--paper); color: var(--fg-2); border: 1px solid transparent;
  transition: background-color var(--dur-fast), color var(--dur-fast), border-color var(--dur-fast), transform var(--dur-fast) var(--ease-out);
}
.tag:hover, .job-skills-used span:hover, .project-tags span:hover { border-color: var(--accent); color: var(--accent-strong); background: var(--surface); transform: translateY(-1px); }
.tag-highlight { background: var(--accent-soft); color: var(--accent-strong); font-weight: 600; }

/* ---------- Experiencia (línea de tiempo) ---------- */
.timeline-container { position: relative; display: grid; gap: 20px; padding-left: 36px; }
.timeline-container::before, .timeline-container::after {
  content: ""; position: absolute; left: 7px; top: 8px; bottom: 8px; width: 2px; border-radius: 2px;
}
.timeline-container::before { background: var(--bd); }
.timeline-container::after { background: var(--accent); transform-origin: 50% 0; transform: scaleY(var(--progress, 1)); }
.timeline-card { display: grid; grid-template-columns: 200px minmax(0, 1fr); gap: 32px; padding: clamp(24px, 3vw, 36px); }
.timeline-card::after {          /* nodo sobre la línea */
  content: ""; position: absolute; left: -36px; top: 40px; width: 16px; height: 16px; border-radius: 50%;
  background: var(--paper); border: 2px solid var(--bd-strong);
  transition: border-color var(--dur) var(--ease-out), transform var(--dur) var(--ease-spring), background-color var(--dur);
}
.timeline-card:hover { box-shadow: var(--shadow-md); border-color: var(--bd-strong); }
.timeline-card:hover::after, .timeline-card.in::after { border-color: var(--accent); }
.timeline-card:hover::after { transform: scale(1.25); }
.timeline-card.active-job { border-color: rgba(47, 91, 230, 0.35); box-shadow: 0 0 0 4px var(--accent-soft); }
.timeline-card.active-job::after { background: var(--accent); border-color: var(--accent); box-shadow: 0 0 0 5px var(--accent-soft); }
.timeline-meta { display: flex; flex-direction: column; align-items: flex-start; gap: 10px; }
.job-period { font-family: var(--font-mono); font-size: 0.8rem; font-weight: 500; color: var(--fg); letter-spacing: 0.04em; }
.job-status-tag, .job-promo-tag { padding: 3px 9px; border-radius: var(--r-sm); font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.08em; }
.job-status-tag { background: var(--live-soft); color: var(--live); }
.job-promo-tag { background: var(--signal-soft); color: var(--signal); }
.job-location { font-size: 0.84rem; color: var(--fg-3); }
.job-role-header { margin-bottom: 18px; }
.job-role-header h3 { font-size: 1.32rem; margin-bottom: 6px; }
.company-name { font-family: var(--font-sans); font-size: 1rem; font-weight: 600; color: var(--accent-strong); letter-spacing: 0; }
.job-role-header > .company-name:first-child { font-family: var(--font-display); font-size: 1.32rem; color: var(--fg); letter-spacing: -0.015em; }
.promotion-note { margin-top: 8px; color: var(--fg-2); font-size: 0.95rem; }
.job-duties { display: grid; gap: 10px; margin-bottom: 22px; }
.job-duties li { position: relative; padding-left: 20px; color: var(--fg-2); font-size: 0.96rem; }
.job-duties li::before { content: ""; position: absolute; left: 0; top: 0.72em; width: 8px; height: 1.5px; background: var(--accent); }
.sub-role { position: relative; margin: 0 0 18px; padding: 18px 20px 4px; border-radius: 10px; background: var(--surface-2); border: 1px solid var(--bd); }
.sub-role-title { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-bottom: 12px; }
.sub-role-title h4 { font-size: 1.05rem; }
.sub-role-badge { padding: 2px 8px; border-radius: var(--r-sm); background: var(--navy); color: #fff; font-family: var(--font-mono); font-size: 0.7rem; }
.sub-role .job-duties { margin-bottom: 14px; }

/* ---------- Proyectos ---------- */
.projects-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.project-card { display: flex; flex-direction: column; padding: clamp(24px, 3vw, 32px); overflow: hidden; }
.project-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); border-color: var(--bd-strong); }
.project-featured { grid-column: 1 / -1; background: var(--navy); border-color: var(--navy);
  --fg: #eef2f8; --fg-2: #b8c3d4; --fg-3: #8492a8; --bd: rgba(255, 255, 255, 0.12); --paper: rgba(255, 255, 255, 0.07); --surface: rgba(255, 255, 255, 0.12);
  --accent-strong: var(--accent-on-dark);
}
.project-featured::before { background: radial-gradient(520px circle at var(--mx, 50%) var(--my, 50%), rgba(139, 167, 255, 0.16), transparent 45%); }
.project-featured h3 { font-size: clamp(1.6rem, 1.2rem + 1.4vw, 2.3rem); }
.project-featured .project-desc { max-width: 70ch; font-size: 1.04rem; }
.project-photo { margin: calc(-1 * clamp(24px, 3vw, 32px)) calc(-1 * clamp(24px, 3vw, 32px)) 24px; overflow: hidden; aspect-ratio: 16 / 9; background: var(--navy-3); position: relative; }
.project-photo img { width: 100%; height: 100%; object-fit: cover; transition: transform 900ms var(--ease-out); }
.project-card:hover .project-photo img { transform: scale(1.05); }
.project-photo figcaption { position: absolute; right: 8px; bottom: 6px; font-size: 0.68rem; color: #fff; text-shadow: 0 1px 2px #000; }
.project-header { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 18px; }
.project-num { font-family: var(--font-mono); font-size: 0.78rem; color: var(--fg-3); letter-spacing: 0.08em; }
.project-badge { padding: 4px 10px; border-radius: 999px; font-size: 0.74rem; font-weight: 600; background: var(--accent-soft); color: var(--accent-strong); }
.project-featured .project-badge { background: #f5a524; color: var(--navy); }
.project-card h3 { font-size: 1.3rem; margin-bottom: 6px; }
.project-sub { font-size: 0.86rem; color: var(--fg-3); margin-bottom: 14px; }
.project-desc { color: var(--fg-2); font-size: 0.95rem; margin-bottom: 22px; flex: 1; }

/* ---------- Formación ---------- */
.education-grid { display: grid; grid-template-columns: 1fr 1.25fr; gap: 24px; align-items: start; }
.degree-card-feature {
  position: relative; overflow: hidden; padding: clamp(28px, 4vw, 44px); border-radius: var(--r-md);
  background: radial-gradient(120% 90% at 100% 0%, var(--navy-3), var(--navy) 60%); color: var(--fg);
}
.degree-badge { display: inline-block; padding: 5px 11px; border-radius: var(--r-sm); background: rgba(139, 167, 255, 0.14); color: var(--accent-on-dark); font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.1em; }
.degree-card-feature h3 { margin: 22px 0 14px; font-size: clamp(1.5rem, 1.1rem + 1.2vw, 2rem); position: relative; }
.degree-institution { font-weight: 600; color: var(--fg); }
.degree-location { font-family: var(--font-mono); font-size: 0.8rem; color: var(--fg-3); margin-top: 4px; }
.degree-summary { margin-top: 20px; color: var(--fg-2); font-size: 0.95rem; position: relative; }
.degree-year-tag {
  position: absolute; right: -10px; bottom: -34px; font-family: var(--font-display); font-weight: 800;
  font-size: clamp(6rem, 4rem + 6vw, 9rem); line-height: 1; letter-spacing: -0.05em;
  color: transparent; -webkit-text-stroke: 1px rgba(139, 167, 255, 0.22); pointer-events: none;
  transition: transform 900ms var(--ease-out);
}
.degree-card-feature:hover .degree-year-tag { transform: translateX(-12px); }
.certifications-list { display: grid; gap: 12px; }
.cert-item { display: grid; grid-template-columns: auto 1fr auto; gap: 18px; align-items: start; padding: 20px 22px; }
.cert-item:hover { transform: translateX(6px); box-shadow: var(--shadow-md); border-color: var(--bd-strong); }
.cert-info h4 { font-size: 1rem; margin-bottom: 2px; }
.cert-info p { font-size: 0.84rem; color: var(--accent-strong); font-weight: 600; margin-bottom: 6px; }
.cert-desc { display: block; font-size: 0.88rem; color: var(--fg-2); line-height: 1.5; }
.cert-year { font-family: var(--font-mono); font-size: 0.78rem; color: var(--fg-3); padding-top: 2px; }
.readiness-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; margin-top: 24px; }
.readiness-card { display: flex; gap: 18px; padding: 24px; }
.readiness-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.readiness-card h4 { font-size: 1.05rem; margin-bottom: 6px; }
.readiness-card p { font-size: 0.92rem; color: var(--fg-2); }

/* ---------- Contacto ---------- */
.contact-section { padding-top: var(--section-y); }
.contact-box {
  position: relative; overflow: hidden; border-radius: var(--r-lg); color: var(--fg);
  padding: clamp(32px, 6vw, 72px); background: var(--navy);
}
.contact-box::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(600px circle at 90% -10%, rgba(47, 91, 230, 0.4), transparent 60%),
    linear-gradient(rgba(139, 167, 255, 0.06) 1px, transparent 1px) 0 0 / 48px 48px,
    linear-gradient(90deg, rgba(139, 167, 255, 0.06) 1px, transparent 1px) 0 0 / 48px 48px;
  mask-image: linear-gradient(180deg, #000, transparent 85%);
  -webkit-mask-image: linear-gradient(180deg, #000, transparent 85%);
}
.contact-box > * { position: relative; }
.contact-header { max-width: 720px; margin-bottom: 40px; }
.contact-badge { font-family: var(--font-mono); font-size: 0.74rem; letter-spacing: 0.14em; color: var(--accent-on-dark); }
.contact-header h2 { margin: 14px 0 16px; font-size: clamp(2rem, 1.3rem + 2.8vw, 3.4rem); letter-spacing: -0.03em; }
.contact-header p { color: var(--fg-2); font-size: 1.06rem; }
.contact-methods { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.contact-card {
  position: relative; display: flex; align-items: center; gap: 16px; padding: 20px 22px; overflow: hidden;
  border-radius: var(--r-md); border: 1px solid var(--bd); background: var(--elev);
  transition: border-color var(--dur) var(--ease-out), background-color var(--dur) var(--ease-out), transform var(--dur) var(--ease-out);
}
.contact-card.spotlight::before { background: radial-gradient(320px circle at var(--mx, 50%) var(--my, 50%), rgba(139, 167, 255, 0.18), transparent 50%); }
.contact-card:hover { border-color: rgba(139, 167, 255, 0.5); transform: translateY(-3px); }
.cc-icon { flex-shrink: 0; width: 46px; height: 46px; border-radius: 12px; display: grid; place-items: center; background: rgba(139, 167, 255, 0.12); color: var(--accent-on-dark); transition: transform var(--dur) var(--ease-spring), background-color var(--dur), color var(--dur); }
.cc-icon svg { width: 22px; height: 22px; }
.contact-card:hover .cc-icon { transform: scale(1.08) rotate(-6deg); background: var(--accent); color: #fff; }
.cc-info { display: flex; flex-direction: column; min-width: 0; flex: 1; }
.cc-label { font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--fg-3); }
.cc-val { font-weight: 600; font-size: 1rem; overflow-wrap: anywhere; }
.cc-arrow { font-size: 1.2rem; color: var(--fg-3); transition: transform var(--dur) var(--ease-spring), color var(--dur); }
.contact-card:hover .cc-arrow { transform: translate(3px, -3px); color: #fff; }
.contact-footer-bar { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; padding-top: 32px; border-top: 1px solid var(--bd); }

/* ---------- Footer ---------- */
.site-footer { margin-top: var(--section-y); background: var(--navy); color: var(--fg-3); padding: 32px 0; font-size: 0.84rem; }
.footer-container { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 16px; }
.footer-left { display: flex; flex-direction: column; gap: 2px; }
.footer-brand { font-family: var(--font-display); font-weight: 800; letter-spacing: 0.06em; color: var(--fg); }
.footer-tags { display: flex; flex-wrap: wrap; gap: 8px; font-family: var(--font-mono); font-size: 0.74rem; }

/* ---------- Toast ---------- */
.toast {
  position: fixed; left: 50%; bottom: 24px; z-index: 300;
  padding: 12px 20px; border-radius: 999px; background: var(--navy); color: #fff;
  font-size: 0.9rem; font-weight: 500; box-shadow: var(--shadow-lg);
  opacity: 0; pointer-events: none; transform: translate(-50%, 16px) scale(0.96);
  transition: opacity var(--dur) var(--ease-out), transform 450ms var(--ease-spring);
}
.toast::before { content: "✓"; display: inline-grid; place-items: center; width: 20px; height: 20px; margin-right: 10px; border-radius: 50%; background: #3ddc84; color: var(--navy); font-size: 0.7rem; font-weight: 700; }
.toast.show { opacity: 1; transform: translate(-50%, 0) scale(1); }

/* ---------- Revelado al hacer scroll (clases puestas por script.js) ---------- */
/* Usa "translate" (no "transform") para no pisar los efectos hover de cada tarjeta */
.reveal {
  opacity: 0; translate: 0 28px;
  transition: opacity 800ms var(--ease-out) var(--delay, 0ms), translate 900ms var(--ease-out) var(--delay, 0ms),
              transform var(--dur) var(--ease-out), box-shadow var(--dur) var(--ease-out),
              border-color var(--dur) var(--ease-out), background-color var(--dur) var(--ease-out);
}
.reveal.in { opacity: 1; translate: none; }

/* ---------- Keyframes ---------- */
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes rise { from { opacity: 0; transform: translateY(24px); } to { opacity: 1; transform: none; } }
@keyframes ping { 0% { transform: scale(1); opacity: 0.7; } 80%, 100% { transform: scale(2.8); opacity: 0; } }
@keyframes blink { 50% { opacity: 0.35; } }
@keyframes drift { to { transform: translate(-80px, 60px) scale(1.1); } }

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 1100px) {
  .main-nav, .header-cta { display: none; }
  .menu-toggle { display: block; }
  .header-actions { margin-left: auto; }
}
@media (max-width: 960px) {
  .hero-container { grid-template-columns: 1fr; }
  .hero-container > .hero-aside { grid-column: 1; grid-row: auto; max-width: 400px; width: 100%; margin-top: 32px; }
  .profile-card { transform: none; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-card:nth-child(3) { border-left: 0; padding-left: 0; }
  .stat-card:nth-child(n + 3) { border-top: 1px solid var(--bd); }
  .about-grid, .education-grid { grid-template-columns: 1fr; }
  .about-details-card { position: static; }
  .timeline-card { grid-template-columns: 1fr; gap: 16px; }
  .timeline-meta { flex-direction: row; flex-wrap: wrap; align-items: center; }
}
@media (max-width: 720px) {
  .skills-grid, .projects-grid, .readiness-grid, .contact-methods { grid-template-columns: 1fr; }
  .brand-sub { display: none; }
  .lang-toggle-btn { padding: 0 10px; }
  .timeline-container { padding-left: 24px; }
  .timeline-container::before, .timeline-container::after { left: 4px; }
  .timeline-card::after { left: -26px; width: 14px; height: 14px; }
  .cert-item { grid-template-columns: auto 1fr; }
  .cert-year { display: none; }
  .hero-cta-group .btn { flex: 1 1 100%; }
  .contact-footer-bar .btn { flex: 1 1 100%; white-space: normal; text-align: center; }
  .stat-card { padding: 22px 14px 24px; }
  .stat-card:nth-child(2n) { padding-right: 0; }
}

/* ---------- Accesibilidad: movimiento reducido ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; transition-delay: 0ms !important; }
  .reveal { opacity: 1; translate: none; }
}

/* ==========================================================================
   Impresión
   ========================================================================== */
@media print {
  @page { margin: 14mm; }
  :root, .hero-section, .contact-box, .degree-card-feature, .project-featured {
    --fg: #000; --fg-2: #222; --fg-3: #555; --bd: #ccc; --bd-strong: #999; --elev: #fff; --paper: #fff; --surface: #fff; --accent-on-dark: #1d43c4; --accent-strong: #1d43c4;
  }
  body { background: #fff; font-size: 10.5pt; line-height: 1.45; }
  .site-header, .mobile-nav, .skip-link, .toast, .hero-bg-grid, .hero-glow, .hero-cta-group, .profile-channels,
  .contact-footer-bar, .cc-arrow, .corner-reticle, .profile-overlay-hud, .degree-year-tag, .site-footer { display: none !important; }
  *, *::before, *::after { animation: none !important; transition: none !important; box-shadow: none !important; }
  .reveal { opacity: 1 !important; translate: none !important; }
  .hero-section, .contact-box, .degree-card-feature, .project-featured { background: #fff !important; color: #000; }
  .hero-name { background: none; color: #000; -webkit-text-fill-color: #000; font-size: 26pt; }
  .hero-container { grid-template-columns: 1fr 150px; }
  .profile-card { transform: none; padding: 0; }
  .profile-meta-grid { display: none; }
  .section { padding: 18px 0; break-inside: auto; }
  .section-title { font-size: 16pt; }
  .timeline-card, .project-card, .cert-item, .skill-category-card, .attr-box { break-inside: avoid; }
  .about-details-card { position: static; }
  .stat-number { color: #000; }
}