/* ==========================================================
   STELLARIS IT — Identidad corporativa
   Paleta oficial:
     Fondo Chip / Oscuro  #0F141C
     Cyan Estelar         #00FFFF
     Azul Estelar         #00BFFF
     Circuito Oro         #DAA520
   ========================================================== */

:root {
  --bg:             #0F141C;
  --bg-alt:         #121824;
  --panel:          #161E2B;
  --panel-2:        #1B2534;
  --line:           rgba(255,255,255,0.09);
  --line-strong:    rgba(255,255,255,0.16);

  --gold:           #DAA520;
  --gold-soft:      #F2C14E;
  --gold-bg:        rgba(218,165,32,0.12);
  --cyan:           #00FFFF;
  --blue:           #00BFFF;
  --blue-bg:        rgba(0,191,255,0.12);
  --grad-cyan:      linear-gradient(135deg, #00BFFF, #00FFFF);

  --text:           #E9EFF7;
  --text-2:         #A3B3C7;
  --text-dim:       #7186A0;
  --text-dark:      #06131B;

  --green:          #25D366;
  --violet:         #7C3AED;
  --amber:          #DAA520;

  --shadow-sm:      0 1px 3px rgba(0,0,0,0.5);
  --shadow-md:      0 6px 22px rgba(0,0,0,0.45);
  --shadow-lg:      0 16px 44px rgba(0,0,0,0.5);
  --glow-cyan:      0 0 24px rgba(0,191,255,0.35);
  --glow-gold:      0 0 24px rgba(218,165,32,0.28);

  --radius:         14px;
  --radius-sm:      10px;
  --radius-lg:      22px;

  --font-display:   'Space Grotesk', sans-serif;
  --font-body:      'IBM Plex Sans', sans-serif;
  --font-mono:      'IBM Plex Mono', monospace;
  --max:            1120px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; scroll-padding-top: 76px; }
html::-webkit-scrollbar { width: 9px; }
html::-webkit-scrollbar-track { background: var(--bg); }
html::-webkit-scrollbar-thumb { background: #1F6F8B; border-radius: 5px; }
html::-webkit-scrollbar-thumb:hover { background: var(--blue); }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

a { color: var(--blue); text-decoration: none; transition: all 0.2s ease; }
a:hover { color: var(--cyan); }
:focus-visible { outline: 2px solid var(--cyan); outline-offset: 3px; }
img { max-width: 100%; }

/* Skip link (accesibilidad) */
.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 100;
  background: var(--cyan); color: var(--text-dark);
  padding: 10px 18px; border-radius: 0 0 var(--radius-sm) 0;
  font-family: var(--font-mono); font-size: 0.82rem; font-weight: 600;
}
.skip-link:focus { left: 0; }

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

/* ---------- Nav ---------- */
header.site {
  position: sticky; top: 0; z-index: 50;
  background: rgba(15,20,28,0.92);
  backdrop-filter: blur(18px) saturate(1.3);
  -webkit-backdrop-filter: blur(18px) saturate(1.3);
  border-bottom: 1px solid var(--line);
}
.nav {
  display: flex; align-items: center; justify-content: space-between; gap: 18px;
  padding: 12px 24px; max-width: var(--max); margin: 0 auto;
}
.brand {
  display: flex; align-items: center; gap: 12px;
  text-decoration: none; color: var(--text);
}
.brand-img { height: 42px; width: auto; display: block; }
.brand-text { display: flex; flex-direction: column; line-height: 1.05; }
.brand-name {
  font-family: var(--font-display); font-weight: 700; font-size: 1.08rem;
  letter-spacing: 0.14em; color: var(--text);
}
.brand-name b { color: var(--cyan); font-weight: 700; }
.brand-tag {
  font-family: var(--font-mono); font-size: 0.53rem; letter-spacing: 0.32em;
  color: var(--gold); text-transform: uppercase; margin-top: 3px;
}

.nav-links {
  display: flex; gap: 30px; list-style: none; margin: 0; padding: 0;
  font-family: var(--font-mono); font-size: 0.83rem; letter-spacing: 0.04em;
  color: var(--text-2); font-weight: 500;
}
.nav-links a { text-decoration: none; color: var(--text-2); transition: all 0.25s ease; position: relative; }
.nav-links a::after { content: ''; position: absolute; bottom: -6px; left: 0; width: 0; height: 2px; background: var(--grad-cyan); border-radius: 1px; transition: width 0.3s ease; }
.nav-links a:hover { color: var(--cyan); }
.nav-links a:hover::after { width: 100%; }

.nav-cta {
  font-family: var(--font-mono); font-size: 0.8rem; font-weight: 600;
  color: var(--text-dark); padding: 10px 22px; border-radius: var(--radius-sm);
  white-space: nowrap; transition: all 0.25s ease;
  background: var(--grad-cyan); box-shadow: var(--glow-cyan);
}
.nav-cta:hover { transform: translateY(-1px); box-shadow: 0 6px 26px rgba(0,191,255,0.5); color: var(--text-dark); }

.nav-toggle {
  display: none; background: none; border: 1px solid var(--line-strong); border-radius: var(--radius-sm);
  width: 42px; height: 42px; padding: 0; cursor: pointer; flex-direction: column;
  align-items: center; justify-content: center; gap: 5px;
}
.nav-toggle span { display: block; width: 18px; height: 2px; background: var(--cyan); border-radius: 1px; transition: all 0.3s ease; }
.nav-links.open { display: flex; flex-direction: column; gap: 0; position: absolute; top: 100%; left: 0; right: 0; background: rgba(15,20,28,0.99); border-bottom: 1px solid var(--line); padding: 8px 24px 16px; box-shadow: var(--shadow-lg); }
.nav-links.open li { padding: 14px 0; border-top: 1px solid var(--line); }

/* ---------- Hero ---------- */
.hero {
  padding: 96px 24px 84px; max-width: var(--max); margin: 0 auto;
  display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 56px; align-items: center;
  position: relative;
}
.hero::before {
  content: ''; position: absolute; top: -120px; right: -80px; width: 480px; height: 480px;
  background: radial-gradient(circle, rgba(0,191,255,0.14), transparent 65%); pointer-events: none;
}
.hero-content { position: relative; z-index: 2; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-mono); font-size: 0.72rem; color: var(--cyan);
  letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: 22px; font-weight: 600;
  padding: 6px 14px; background: var(--blue-bg); border: 1px solid rgba(0,191,255,0.28);
  border-radius: 20px;
}
.hero-badge i { font-size: 0.62rem; color: var(--gold); }
.hero h1 {
  font-family: var(--font-display); font-size: clamp(2rem, 4vw, 3.4rem);
  line-height: 1.08; font-weight: 700; margin: 0 0 20px; letter-spacing: -0.02em; color: var(--text);
}
.hero h1 em {
  font-style: normal;
  background: linear-gradient(120deg, var(--cyan), var(--blue) 55%, var(--gold));
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; color: transparent;
}
.hero-lead { font-size: 1.08rem; color: var(--text-2); max-width: 50ch; margin: 0 0 32px; line-height: 1.7; }
.hero-ctas { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 46px; }

.btn {
  font-family: var(--font-mono); font-size: 0.86rem; padding: 14px 26px;
  border-radius: var(--radius-sm); text-decoration: none; display: inline-block;
  border: 1px solid transparent; transition: all 0.25s ease; cursor: pointer; font-weight: 600;
}
.btn-primary { background: var(--grad-cyan); color: var(--text-dark); border: none; box-shadow: var(--glow-cyan); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 10px 30px rgba(0,191,255,0.5); color: var(--text-dark); }
.btn-ghost { border-color: var(--line-strong); color: var(--text); background: rgba(255,255,255,0.03); }
.btn-ghost:hover { border-color: var(--cyan); color: var(--cyan); background: rgba(0,191,255,0.07); }
.btn-gold { background: linear-gradient(135deg, var(--gold), var(--gold-soft)); color: #241A03; border: none; box-shadow: var(--glow-gold); }
.btn-gold:hover { transform: translateY(-2px); box-shadow: 0 10px 30px rgba(218,165,32,0.45); color: #241A03; }
.btn-lg { padding: 16px 32px; font-size: 0.95rem; }

/* Hero Stats */
.hero-stats { display: flex; align-items: center; gap: 30px; flex-wrap: wrap; }
.stat { display: flex; flex-direction: column; gap: 2px; }
.stat-number { font-family: var(--font-display); font-size: 1.75rem; font-weight: 700; color: var(--gold); }
.stat-label { font-family: var(--font-mono); font-size: 0.7rem; color: var(--text-dim); font-weight: 500; }
.stat-divider { width: 1px; height: 40px; background: var(--line-strong); }

/* Hero Visual */
.hero-visual { position: relative; display: flex; justify-content: center; align-items: center; min-height: 460px; }
.hero-image-wrapper {
  position: relative; width: 100%; max-width: 520px;
  border-radius: var(--radius-lg); overflow: hidden;
  border: 1px solid rgba(0,191,255,0.22);
  box-shadow: var(--shadow-lg), var(--glow-cyan);
}
.hero-img { width: 100%; height: auto; display: block; }
.hero-image-overlay { position: absolute; inset: 0; background: linear-gradient(135deg, rgba(0,191,255,0.08), transparent 55%, rgba(218,165,32,0.1)); pointer-events: none; }

/* Hero Float Cards */
.hero-float-card {
  position: absolute; background: rgba(22,30,43,0.94);
  backdrop-filter: blur(14px); border: 1px solid var(--line-strong);
  border-radius: var(--radius); padding: 14px 18px;
  display: flex; align-items: center; gap: 13px;
  box-shadow: var(--shadow-md); animation: float-card 3s ease-in-out infinite; z-index: 3;
}
.hero-float-card.top { top: 14px; right: -14px; }
.hero-float-card.bottom { bottom: 34px; left: -18px; animation-delay: 1.5s; }
.float-card-icon {
  width: 42px; height: 42px; border-radius: 11px;
  background: var(--blue-bg); border: 1px solid rgba(0,191,255,0.3);
  display: flex; align-items: center; justify-content: center; color: var(--cyan); font-size: 1.05rem;
}
.float-card-text strong { display: block; font-family: var(--font-display); font-size: 0.84rem; color: var(--text); }
.float-card-text span { font-family: var(--font-mono); font-size: 0.68rem; color: var(--text-dim); }
@keyframes float-card { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-8px); } }

/* ---------- Section Header ---------- */
.section-header { max-width: 660px; margin: 0 auto 54px; text-align: center; }
.section-header.text-left { text-align: left; margin-left: 0; }
.section-tag {
  font-family: var(--font-mono); font-size: 0.72rem; color: var(--gold);
  letter-spacing: 0.14em; text-transform: uppercase; margin-bottom: 12px; font-weight: 600;
  display: inline-block; padding: 4px 14px; background: var(--gold-bg);
  border: 1px solid rgba(218,165,32,0.3); border-radius: 20px;
}
.section-header h2 { font-family: var(--font-display); font-size: clamp(1.75rem, 3vw, 2.4rem); margin: 0 0 14px; font-weight: 700; color: var(--text); }
.section-header p { color: var(--text-2); margin: 0; line-height: 1.7; font-size: 1.03rem; }

/* ---------- Services ---------- */
.services { padding: 96px 24px; background: var(--bg-alt); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.services-grid { max-width: var(--max); margin: 0 auto; display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.service-card {
  background: var(--panel); padding: 34px 26px; display: flex; flex-direction: column; gap: 14px;
  border-radius: var(--radius); border: 1px solid var(--line);
  transition: all 0.3s ease; position: relative; box-shadow: var(--shadow-sm);
}
.service-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: rgba(0,191,255,0.4); }
.service-icon {
  width: 54px; height: 54px; border-radius: 14px;
  background: var(--blue-bg); border: 1px solid rgba(0,191,255,0.28);
  display: flex; align-items: center; justify-content: center; color: var(--cyan); font-size: 1.3rem; margin-bottom: 6px;
}
.service-code { font-family: var(--font-mono); font-size: 0.68rem; color: var(--gold); letter-spacing: 0.1em; font-weight: 600; }
.service-card h3 { font-family: var(--font-display); font-size: 1.12rem; margin: 0; font-weight: 700; color: var(--text); }
.service-card p { color: var(--text-2); font-size: 0.9rem; margin: 0; flex-grow: 1; line-height: 1.65; }
.service-tag {
  font-family: var(--font-mono); font-size: 0.7rem; color: var(--text-dim);
  border-top: 1px solid var(--line); padding-top: 12px; margin-top: 4px;
  display: flex; align-items: center; gap: 6px;
}
.service-tag i { color: var(--gold); font-size: 0.64rem; }

/* ---------- About ---------- */
.about { padding: 96px 24px; }
.about-grid { max-width: var(--max); margin: 0 auto; display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.about-image { position: relative; }
.about-img {
  width: 100%; border-radius: var(--radius-lg);
  border: 1px solid rgba(218,165,32,0.25);
  box-shadow: var(--shadow-lg), var(--glow-gold); object-fit: cover; display: block;
}
.about-image-badge {
  position: absolute; bottom: -22px; right: -18px;
  background: var(--panel-2); border: 1px solid var(--line-strong);
  border-radius: var(--radius); padding: 14px 18px;
  display: flex; align-items: center; gap: 12px; box-shadow: var(--shadow-md);
}
.about-image-badge i {
  width: 38px; height: 38px; border-radius: 10px; background: var(--gold-bg);
  display: flex; align-items: center; justify-content: center; color: var(--gold);
}
.about-image-badge strong { display: block; font-size: 0.84rem; color: var(--text); }
.about-image-badge span { font-family: var(--font-mono); font-size: 0.68rem; color: var(--text-dim); }

.trace { list-style: none; margin: 0; padding: 0; }
.trace li { display: grid; grid-template-columns: 64px 1fr; gap: 16px; padding: 22px 0; border-top: 1px solid var(--line); transition: background 0.3s ease; }
.trace li:hover { background: rgba(0,191,255,0.03); }
.trace li:last-child { border-bottom: 1px solid var(--line); }
.trace .t-code { font-family: var(--font-mono); color: var(--gold); font-size: 0.85rem; position: relative; font-weight: 700; }
.trace .t-code::after { content: ''; position: absolute; bottom: 0; left: 0; width: 100%; height: 2px; background: var(--gold); opacity: 0.45; }
.trace h4 { margin: 0 0 4px; font-family: var(--font-display); font-size: 1.03rem; color: var(--text); }
.trace p { margin: 0; color: var(--text-2); font-size: 0.9rem; line-height: 1.6; }

/* ---------- Features ---------- */
.features { padding: 96px 24px; background: var(--bg-alt); border-top: 1px solid var(--line); }
.features-grid { max-width: var(--max); margin: 0 auto; display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.feature-card {
  background: var(--panel); padding: 30px 24px; border-radius: var(--radius);
  border: 1px solid var(--line); transition: all 0.3s ease; box-shadow: var(--shadow-sm);
}
.feature-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: rgba(0,191,255,0.3); }
.feature-icon {
  width: 50px; height: 50px; border-radius: 14px; display: flex;
  align-items: center; justify-content: center; font-size: 1.15rem; margin-bottom: 16px;
}
.feature-icon.blue   { background: var(--blue-bg); color: var(--blue); border: 1px solid rgba(0,191,255,0.3); }
.feature-icon.green  { background: rgba(0,255,255,0.1); color: var(--cyan); border: 1px solid rgba(0,255,255,0.28); }
.feature-icon.violet { background: var(--gold-bg); color: var(--gold); border: 1px solid rgba(218,165,32,0.3); }
.feature-icon.amber  { background: rgba(124,58,237,0.16); color: #A78BFA; border: 1px solid rgba(124,58,237,0.35); }
.feature-card h3 { font-family: var(--font-display); font-size: 1.06rem; margin: 0 0 8px; color: var(--text); font-weight: 700; }
.feature-card p { color: var(--text-2); font-size: 0.88rem; margin: 0; line-height: 1.6; }

/* ---------- CTA Section ---------- */
.cta-section {
  padding: 96px 24px; position: relative; overflow: hidden;
  background: linear-gradient(135deg, #0C2733 0%, var(--bg) 55%, #1D1705 100%);
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
}
.cta-section::before { content: ''; position: absolute; top: -50%; right: -10%; width: 480px; height: 480px; border-radius: 50%; background: rgba(0,191,255,0.07); pointer-events: none; }
.cta-section::after  { content: ''; position: absolute; bottom: -50%; left: -10%; width: 420px; height: 420px; border-radius: 50%; background: rgba(218,165,32,0.07); pointer-events: none; }
.cta-wrapper { max-width: var(--max); margin: 0 auto; position: relative; z-index: 1; }
.cta-content { text-align: center; margin-bottom: 46px; }
.cta-content h2 { font-family: var(--font-display); font-size: clamp(1.9rem, 4vw, 2.7rem); margin: 0 0 16px; color: var(--text); font-weight: 700; }
.cta-content p { color: var(--text-2); font-size: 1.06rem; margin: 0 auto 30px; max-width: 62ch; line-height: 1.7; }
.cta-content .btn-gold { font-size: 0.95rem; }
.cta-stats { display: flex; justify-content: center; gap: 44px; flex-wrap: wrap; }
.cta-stat {
  text-align: center; color: var(--text); max-width: 260px;
  background: rgba(255,255,255,0.03); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 20px 22px;
}
.cta-stat-number { font-family: var(--font-display); font-size: 1.7rem; font-weight: 700; display: block; color: var(--gold); }
.cta-stat-label { font-family: var(--font-mono); font-size: 0.72rem; color: var(--text-2); display: block; margin-top: 6px; line-height: 1.55; }

/* ---------- Contact ---------- */
.contact { padding: 96px 24px; background: var(--bg); }
.contact-grid { max-width: var(--max); margin: 0 auto; display: grid; grid-template-columns: 1fr 1fr; gap: 52px; }
.contact-info h2 { font-family: var(--font-display); font-size: clamp(1.75rem, 3vw, 2.4rem); margin: 0 0 16px; color: var(--text); }
.contact-info p { color: var(--text-2); margin: 0 0 26px; max-width: 46ch; line-height: 1.7; }
.contact-channels { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 14px; }
.contact-channels li {
  display: flex; align-items: center; gap: 13px; font-family: var(--font-mono);
  font-size: 0.9rem; color: var(--text); border-bottom: 1px solid var(--line);
  padding-bottom: 14px; transition: all 0.25s ease;
}
.contact-channels li:hover { padding-left: 4px; }
.contact-channels i { width: 22px; text-align: center; color: var(--cyan); font-size: 1rem; }
.contact-channels a { text-decoration: none; color: var(--text); transition: color 0.25s ease; }
.contact-channels a:hover { color: var(--cyan); }
.contact-channels .ch-static { color: var(--text-dim); }
.contact-channels .ch-label {
  color: var(--text-dim); min-width: 92px; font-size: 0.68rem;
  text-transform: uppercase; letter-spacing: 0.06em; font-weight: 600;
}
.contact-channels .ch-gold i { color: var(--gold); }

form.contact-form {
  display: flex; flex-direction: column; gap: 18px;
  background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--radius-lg); padding: 30px 28px; box-shadow: var(--shadow-md);
}
.contact-form label {
  font-family: var(--font-mono); font-size: 0.7rem; color: var(--gold);
  text-transform: uppercase; letter-spacing: 0.06em; display: block;
  margin-bottom: 6px; font-weight: 600;
}
.contact-form input, .contact-form textarea, .contact-form select {
  width: 100%; background: var(--bg); border: 1px solid var(--line-strong);
  color: var(--text); padding: 13px 15px; border-radius: var(--radius-sm);
  font-family: var(--font-body); font-size: 0.95rem; transition: all 0.25s ease;
}
.contact-form input::placeholder, .contact-form textarea::placeholder { color: var(--text-dim); }
.contact-form input:focus, .contact-form textarea:focus, .contact-form select:focus {
  border-color: var(--cyan); box-shadow: 0 0 0 3px rgba(0,255,255,0.12); outline: none;
}
.contact-form textarea { min-height: 120px; resize: vertical; }
.contact-form select { appearance: none; cursor: pointer; }
.contact-form button {
  font-family: var(--font-mono); font-size: 0.86rem; padding: 15px 26px;
  border-radius: var(--radius-sm); border: none;
  background: var(--grad-cyan); color: var(--text-dark); font-weight: 700; cursor: pointer;
  align-self: flex-start; transition: all 0.25s ease;
  box-shadow: var(--glow-cyan); display: inline-flex; align-items: center; gap: 9px;
}
.contact-form button:hover { transform: translateY(-2px); box-shadow: 0 8px 28px rgba(0,191,255,0.5); }
.form-note { font-size: 0.74rem; color: var(--text-dim); line-height: 1.55; font-family: var(--font-mono); }
.form-note i { color: var(--blue); margin-right: 5px; }
.form-note a { color: var(--gold); }
.form-note a:hover { color: var(--cyan); }

/* Acciones del formulario: enviar (correo) + botón WhatsApp */
.form-actions { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }
.form-actions .btn-whatsapp {
  padding: 15px 26px; border-radius: var(--radius-sm); font-size: 0.86rem;
  text-align: center; border: none;
}
.contact-form button:disabled { opacity: 0.65; cursor: wait; transform: none; }
.form-ok {
  font-family: var(--font-mono); font-size: 0.8rem; color: #052B12;
  background: rgba(37,211,102,0.18); border: 1px solid rgba(37,211,102,0.5);
  border-radius: var(--radius-sm); padding: 12px 16px; margin: 0;
}
.form-ok i { color: var(--green); margin-right: 6px; }
.form-ok[hidden] { display: none; }
@media (max-width: 520px) {
  .contact-form button { align-self: stretch; justify-content: center; }
  .form-actions { flex-direction: column; align-items: stretch; }
  .form-actions .btn-whatsapp { text-align: center; }
}

/* ---------- Footer ---------- */
footer.site { border-top: 1px solid var(--line); padding: 30px 24px; background: #0B0F16; }
.footer-inner { max-width: var(--max); margin: 0 auto; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px; }
.footer-brand { display: flex; align-items: center; gap: 12px; color: var(--text); font-family: var(--font-display); font-weight: 700; font-size: 0.95rem; letter-spacing: 0.06em; }
.footer-brand img { height: 36px; width: auto; }
.footer-links { display: flex; gap: 22px; flex-wrap: wrap; }
.footer-links a { color: var(--text-dim); font-family: var(--font-mono); font-size: 0.78rem; text-decoration: none; transition: color 0.25s ease; }
.footer-links a:hover { color: var(--cyan); }
.footer-contact { font-family: var(--font-mono); font-size: 0.76rem; color: var(--text-dim); }
.footer-contact a { color: var(--text-dim); text-decoration: none; transition: color 0.25s ease; }
.footer-contact a:hover { color: var(--cyan); }
.footer-contact i { margin-right: 4px; }

/* ---------- Blog list ---------- */
.blog-list { max-width: var(--max); margin: 0 auto; padding: 0; display: flex; flex-direction: column; gap: 14px; }
.post-row {
  display: grid; grid-template-columns: 110px 1fr; gap: 22px; padding: 26px 22px;
  text-decoration: none; color: var(--text); border-radius: var(--radius);
  background: var(--panel); box-shadow: var(--shadow-sm);
  border: 1px solid var(--line); transition: all 0.25s ease;
}
.post-row:hover { background: var(--panel-2); transform: translateX(6px); border-color: rgba(0,191,255,0.35); box-shadow: var(--glow-cyan); }
.post-date { font-family: var(--font-mono); font-size: 0.74rem; color: var(--gold); align-self: start; padding-top: 4px; letter-spacing: 0.05em; }
.post-row h3 { font-family: var(--font-display); margin: 0 0 8px; font-size: 1.1rem; transition: color 0.25s ease; line-height: 1.4; color: var(--text); }
.post-row:hover h3 { color: var(--cyan); }
.post-row p { margin: 0; color: var(--text-2); font-size: 0.89rem; line-height: 1.6; }
.post-tag { font-family: var(--font-mono); font-size: 0.66rem; color: var(--gold); text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 6px; display: block; font-weight: 600; }
.empty-note { text-align: center; color: var(--text-dim); font-family: var(--font-mono); font-size: 0.83rem; padding: 34px 0; border-top: 1px solid var(--line); }

/* ---------- Article ---------- */
.article-hero { max-width: 780px; margin: 0 auto; padding: 54px 24px 36px; }
.article-hero-img {
  width: 100%; height: auto; aspect-ratio: 2 / 1; object-fit: cover; display: block;
  border-radius: var(--radius); margin-bottom: 26px;
  border: 1px solid rgba(0,191,255,0.2); box-shadow: var(--shadow-md);
}
.article-hero-content { position: relative; }
.article-hero .section-tag { margin-bottom: 14px; }
.article-hero h1 { font-family: var(--font-display); font-size: clamp(1.75rem, 4vw, 2.55rem); line-height: 1.15; margin: 0 0 18px; font-weight: 700; color: var(--text); }
.article-hero .lead { color: var(--text-2); font-size: 1.04rem; max-width: 58ch; margin: 0 0 22px; line-height: 1.7; }
.article-meta {
  font-family: var(--font-mono); font-size: 0.74rem; color: var(--text-dim);
  display: flex; gap: 16px; flex-wrap: wrap;
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 14px 0;
}
.article-meta i { color: var(--gold); margin-right: 4px; font-size: 0.7rem; }
.article-body { max-width: 780px; margin: 0 auto; padding: 0 24px 60px; }
.article-body h2 { font-family: var(--font-display); font-size: 1.32rem; margin: 46px 0 16px; font-weight: 700; color: var(--text); }
.article-body h2:first-child { margin-top: 0; }
.article-body h2 i { color: var(--cyan); margin-right: 8px; }
.article-body p { color: var(--text-2); margin: 0 0 18px; font-size: 1rem; line-height: 1.75; }
.article-body strong { color: var(--text); font-weight: 600; }
.article-body ul { margin: 0 0 20px; padding-left: 8px; color: var(--text-2); list-style: none; }
.article-body li { margin-bottom: 10px; line-height: 1.6; display: flex; align-items: flex-start; gap: 9px; }
.article-body li i { color: var(--gold); margin-top: 5px; font-size: 0.82rem; }
.callout {
  background: var(--panel); border: 1px solid var(--line);
  border-left: 3px solid var(--gold); border-radius: var(--radius-sm);
  padding: 20px 24px; margin: 28px 0; box-shadow: var(--shadow-sm);
}
.callout p { margin: 0; color: var(--text); font-size: 0.94rem; line-height: 1.6; }
.callout .callout-label {
  font-family: var(--font-mono); font-size: 0.68rem; color: var(--gold);
  text-transform: uppercase; letter-spacing: 0.07em; display: block; margin-bottom: 8px; font-weight: 600;
}
.callout .callout-label i { margin-right: 4px; }
.article-cta {
  max-width: 780px; margin: 40px auto 0; padding: 30px 28px;
  background: linear-gradient(135deg, rgba(0,191,255,0.08), rgba(218,165,32,0.08));
  border: 1px solid var(--line-strong); border-radius: var(--radius);
  display: flex; justify-content: space-between; align-items: center; gap: 20px; flex-wrap: wrap;
}
.article-cta h3 { font-family: var(--font-display); margin: 0 0 6px; font-size: 1.08rem; color: var(--text); }
.article-cta h3 i { color: var(--cyan); margin-right: 6px; }
.article-cta p { margin: 0; color: var(--text-2); font-size: 0.89rem; }
@media (max-width: 520px) { .article-cta { flex-direction: column; align-items: flex-start; } }

/* ---------- Back link ---------- */
.back-link {
  display: inline-block; max-width: var(--max); margin: 0 auto;
  padding: 22px 24px 0; font-family: var(--font-mono); font-size: 0.78rem;
  color: var(--text-dim); text-decoration: none; transition: color 0.25s ease;
}
.back-link:hover { color: var(--cyan); }
.back-link i { margin-right: 4px; }

/* ---------- Quick Action Dock ---------- */
.quick-dock {
  display: none; position: fixed; bottom: 0; left: 0; right: 0; z-index: 40;
  padding: 12px 16px 26px;
  background: linear-gradient(to top, rgba(15,20,28,0.98) 62%, transparent);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
}
.quick-dock-inner { display: flex; gap: 12px; }
.quick-dock .btn { flex: 1; text-align: center; padding: 14px 12px; border-radius: var(--radius-sm); font-size: 0.78rem; }
.btn-whatsapp { background: #25D366; color: #052B12; border: none; font-weight: 700; box-shadow: 0 4px 20px rgba(37,211,102,0.35); }
.btn-whatsapp:hover { box-shadow: 0 8px 30px rgba(37,211,102,0.55); transform: translateY(-2px); color: #052B12; }

/* ---------- Consultoría & Arquitectura (Core B2B) ---------- */
.architecture { padding: 96px 24px; background: var(--bg); border-top: 1px solid var(--line); }
.arch-grid { max-width: var(--max); margin: 0 auto; display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.arch-card {
  background: linear-gradient(180deg, var(--panel) 0%, #141B26 100%);
  padding: 34px 28px; display: flex; flex-direction: column; gap: 14px;
  border-radius: var(--radius); border: 1px solid var(--line);
  transition: all 0.3s ease; box-shadow: var(--shadow-sm); position: relative; overflow: hidden;
}
.arch-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--blue), var(--cyan) 55%, var(--gold));
  opacity: 0.75;
}
.arch-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg), var(--glow-cyan); border-color: rgba(0,191,255,0.4); }
.arch-card h3 { font-family: var(--font-display); font-size: 1.14rem; margin: 0; font-weight: 700; color: var(--text); }
.arch-card p { color: var(--text-2); font-size: 0.9rem; margin: 0; flex-grow: 1; line-height: 1.65; }
.arch-code { font-family: var(--font-mono); font-size: 0.68rem; color: var(--gold); letter-spacing: 0.1em; font-weight: 600; }
.arch-icon {
  width: 54px; height: 54px; border-radius: 14px;
  background: var(--blue-bg); border: 1px solid rgba(0,191,255,0.28);
  display: flex; align-items: center; justify-content: center; color: var(--cyan); font-size: 1.3rem;
}
.tech-chips { display: flex; flex-wrap: wrap; gap: 7px; border-top: 1px solid var(--line); padding-top: 14px; margin-top: 4px; }
.tech-chip {
  font-family: var(--font-mono); font-size: 0.65rem; letter-spacing: 0.04em;
  padding: 3px 10px; border-radius: 20px;
  border: 1px solid rgba(0,191,255,0.3); background: var(--blue-bg); color: var(--cyan);
}
.tech-chip.gold { border-color: rgba(218,165,32,0.35); background: var(--gold-bg); color: var(--gold); }
.tech-chip.violet { border-color: rgba(167,139,250,0.35); background: rgba(124,58,237,0.16); color: #A78BFA; }

/* ---------- Pipeline interactivo (Infraestructura & Casos) ---------- */
.pipeline { padding: 96px 24px; background: var(--bg-alt); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.pipeline-box {
  max-width: var(--max); margin: 0 auto; background: var(--panel);
  border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 34px 30px; box-shadow: var(--shadow-md);
}
.pipeline-diagram { display: flex; align-items: stretch; justify-content: center; gap: 8px; flex-wrap: wrap; margin-bottom: 26px; }
.pnode {
  display: flex; flex-direction: column; align-items: center; gap: 5px;
  padding: 16px 24px; min-width: 160px; border-radius: var(--radius);
  background: var(--bg); border: 1px solid var(--line-strong); cursor: pointer;
  transition: all 0.25s ease; font-family: var(--font-body); text-align: center;
}
.pnode:hover { transform: translateY(-3px); border-color: rgba(0,191,255,0.45); }
.pnode .pnode-lang { font-family: var(--font-display); font-weight: 700; font-size: 1.15rem; color: var(--text); transition: color 0.25s ease; }
.pnode .pnode-role { font-family: var(--font-mono); font-size: 0.66rem; color: var(--text-dim); }
.pnode[data-stage="go"]     { --stage-color: var(--blue); }
.pnode[data-stage="rust"]   { --stage-color: var(--gold); }
.pnode[data-stage="python"] { --stage-color: #A78BFA; }
.pnode[aria-selected="true"] { border-color: var(--stage-color); box-shadow: 0 0 24px rgba(0,191,255,0.25); background: rgba(255,255,255,0.03); }
.pnode[data-stage="go"][aria-selected="true"]     { box-shadow: 0 0 24px rgba(0,191,255,0.3); }
.pnode[data-stage="rust"][aria-selected="true"]   { box-shadow: 0 0 24px rgba(218,165,32,0.3); }
.pnode[data-stage="python"][aria-selected="true"] { box-shadow: 0 0 24px rgba(167,139,250,0.3); }
.pnode[aria-selected="true"] .pnode-lang { color: var(--stage-color); }
.parrow { display: flex; align-items: center; color: var(--gold); font-size: 1.5rem; opacity: 0.85; }
.pstage {
  background: var(--bg); border: 1px solid var(--line);
  border-left: 3px solid var(--gold); border-radius: var(--radius-sm);
  padding: 24px 26px; min-height: 132px;
}
.pstage-tag { font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--gold); font-weight: 600; display: block; margin-bottom: 8px; }
.pstage h3 { font-family: var(--font-display); font-size: 1.18rem; margin: 0 0 10px; color: var(--text); }
.pstage p { margin: 0 0 14px; color: var(--text-2); font-size: 0.94rem; line-height: 1.7; }
.pstage ul { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.pstage ul li {
  font-family: var(--font-mono); font-size: 0.7rem; color: var(--text-2);
  background: var(--panel-2); border: 1px solid var(--line-strong);
  border-radius: 20px; padding: 5px 13px;
}
.pipeline-note { font-family: var(--font-mono); font-size: 0.74rem; color: var(--text-dim); text-align: center; margin: 22px auto 0; max-width: 70ch; line-height: 1.6; }
.pipeline-note i { color: var(--cyan); margin-right: 5px; }
.usecases { max-width: var(--max); margin: 34px auto 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.usecase {
  background: rgba(255,255,255,0.03); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 20px 22px; transition: all 0.25s ease;
}
.usecase:hover { border-color: rgba(218,165,32,0.4); }
.usecase h4 { font-family: var(--font-display); font-size: 0.98rem; margin: 0 0 6px; color: var(--text); }
.usecase p { margin: 0; font-size: 0.84rem; color: var(--text-2); line-height: 1.6; }
.usecase i { color: var(--gold); margin-right: 6px; }

@media (max-width: 880px) {
  .arch-grid { grid-template-columns: repeat(2, 1fr); }
  .usecases { grid-template-columns: repeat(2, 1fr); }
  .parrow { transform: rotate(90deg); width: 100%; justify-content: center; }
  .pipeline-diagram { flex-direction: column; align-items: center; }
  .pnode { width: min(320px, 100%); }
}
@media (max-width: 520px) {
  .arch-grid { grid-template-columns: 1fr; }
  .usecases { grid-template-columns: 1fr; }
  .pipeline-box { padding: 24px 18px; }
}

/* ---------- Responsive ---------- */
@media (max-width: 880px) {
  .hero { grid-template-columns: 1fr; padding-top: 64px; gap: 40px; text-align: center; }
  .hero::before { display: none; }
  .hero-ctas { justify-content: center; }
  .hero-lead { margin-left: auto; margin-right: auto; }
  .hero-stats { justify-content: center; }
  .hero-badge { justify-content: center; }
  .section-header { text-align: center !important; margin-left: auto; margin-right: auto; }
  .about-grid { grid-template-columns: 1fr; gap: 44px; }
  .about-image-badge { right: 12px; bottom: -16px; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .nav-links { display: none; }
  .nav-toggle { display: flex; }
  .nav { position: relative; }
  .hero-visual { min-height: 380px; }
  .hero-float-card.top { top: 6px; right: 6px; }
  .hero-float-card.bottom { bottom: 26px; left: 6px; }
  .cta-stats { gap: 26px; }
  .post-row { grid-template-columns: 1fr; gap: 8px; }
}
@media (max-width: 520px) {
  .services-grid { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr; }
  .hero { padding-top: 44px; }
  .nav-cta { padding: 7px 12px; font-size: 0.7rem; }
  .brand-tag { display: none; }
  .hero-stats { flex-direction: column; gap: 14px; }
  .stat-divider { display: none; }
  .quick-dock { display: block; }
  .hero h1 { font-size: clamp(1.75rem, 5vw, 2.3rem); }
  .cta-stat { max-width: 100%; width: 100%; }
}
@media (min-width: 521px) {
  .quick-dock { display: none !important; }
}