/* HQL — software para correo y logística
   Sistema: ink navy + amber de ruta, tipografía IBM Plex, layout tipo manifiesto de envío. */

:root {
  --ink: #0F1B2B;
  --ink-panel: #16263B;
  --paper: #EDEAE1;
  --paper-dim: #E2DFD3;
  --accent: #FF7A1A;
  --route: #7FA9C9;
  --text-light: #F5F3EC;
  --text-muted-light: #A9B7C6;
  --text-dark: #14202E;
  --text-muted-dark: #55647A;
  --line-light: rgba(245, 243, 236, 0.14);
  --line-dark: rgba(20, 32, 46, 0.14);
  --radius: 5px;
  --sans: 'IBM Plex Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --mono: 'IBM Plex Mono', 'SFMono-Regular', Consolas, monospace;
  --maxw: 460px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--sans);
  background: var(--paper);
  color: var(--text-dark);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3 { font-family: var(--sans); font-weight: 700; margin: 0 0 0.5em; line-height: 1.15; }
p { margin: 0 0 1em; color: var(--text-muted-dark); }
a { color: inherit; }
img { max-width: 100%; display: block; }
ul, ol { margin: 0; padding: 0; list-style: none; }
button { font-family: inherit; }

.container { max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--ink);
  border-bottom: 1px solid var(--line-light);
}
.header-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
}
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.brand-mark { border-radius: 6px; }
.brand-word {
  font-family: var(--mono);
  font-weight: 600;
  font-size: 1.05rem;
  letter-spacing: 0.04em;
  color: var(--text-light);
}
.nav-toggle {
  width: 36px; height: 36px;
  background: none; border: none;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 5px;
  cursor: pointer;
  padding: 0;
}
.nav-toggle span {
  width: 20px; height: 2px;
  background: var(--text-light);
  transition: transform 0.25s ease, opacity 0.25s ease;
}
body.nav-open .nav-toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
body.nav-open .nav-toggle span:nth-child(2) { opacity: 0; }
body.nav-open .nav-toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-nav {
  max-height: 0;
  overflow: hidden;
  background: var(--ink);
  transition: max-height 0.3s ease;
}
body.nav-open .mobile-nav { max-height: 320px; }
.mobile-nav a {
  display: block;
  padding: 14px 20px;
  border-top: 1px solid var(--line-light);
  color: var(--text-light);
  text-decoration: none;
  font-size: 0.98rem;
}
.mobile-nav-cta { color: var(--accent) !important; font-weight: 600; }

/* ---------- Hero ---------- */
.hero {
  background: var(--ink);
  color: var(--text-light);
  padding: 40px 0 8px;
}
.hero-inner { max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }
.hero-label {
  font-family: var(--mono);
  font-size: 0.82rem;
  color: var(--route);
  margin-bottom: 14px;
  letter-spacing: 0.01em;
}
.hero h1 {
  font-size: clamp(1.7rem, 6vw, 2.15rem);
  color: var(--text-light);
  max-width: 15ch;
}
.hero-sub {
  color: var(--text-muted-light);
  font-size: 1rem;
  max-width: 38ch;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px; }

.btn {
  display: inline-block;
  padding: 13px 20px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  text-align: center;
}
.btn-primary { background: var(--accent); color: var(--ink); }
.btn-primary:hover { background: #ff8b39; }
.btn-ghost { border-color: var(--line-light); color: var(--text-light); }
.btn-ghost:hover { border-color: var(--route); }
.btn-block { width: 100%; }

.hero-visual { padding: 28px 0 0; }
.route-svg { width: 100%; height: auto; display: block; }
.route-line {
  stroke-dasharray: 420;
  stroke-dashoffset: 420;
  animation: draw-route 1.6s ease-out 0.3s forwards;
}
.route-node { opacity: 0; animation: fade-node 0.4s ease-out forwards; }
.route-node.n1 { animation-delay: 0.3s; }
.route-node.n2 { animation-delay: 0.9s; }
.route-node.n3 { animation-delay: 1.5s; }
@keyframes draw-route { to { stroke-dashoffset: 0; } }
@keyframes fade-node { to { opacity: 1; } }
@media (prefers-reduced-motion: reduce) {
  .route-line { animation: none; stroke-dashoffset: 0; }
  .route-node { animation: none; opacity: 1; }
}

/* ---------- Stats ---------- */
.stats {
  background: var(--ink-panel);
  color: var(--text-light);
  padding: 26px 0;
}
.stat-row {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 12px 20px;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  border-top: 1px solid var(--line-light);
}
.stat-row:first-child { border-top: none; }
.stat-num { font-family: var(--mono); font-size: 1.2rem; font-weight: 600; color: var(--accent); white-space: nowrap; }
.stat-label { font-size: 0.88rem; color: var(--text-muted-light); text-align: right; }

/* ---------- Sections (generic) ---------- */
section:not(.hero):not(.stats) { padding: 52px 0; }
section h2 {
  font-size: clamp(1.4rem, 5vw, 1.7rem);
  max-width: 18ch;
}

/* ---------- Product list ---------- */
.product-list { border-top: 1px solid var(--line-dark); }
.product-list li {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 14px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line-dark);
}
.product-index {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--text-muted-dark);
  padding-top: 3px;
}
.product-list h3 { font-size: 1.05rem; }
.product-list p { font-size: 0.92rem; margin-bottom: 0; }

/* ---------- Steps ---------- */
.how { background: var(--paper-dim); }
.steps li {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 14px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line-dark);
}
.steps li:last-child { border-bottom: none; }
.step-num { font-family: var(--mono); color: var(--accent); font-weight: 600; }
.steps h3 { font-size: 1rem; }
.steps p { font-size: 0.92rem; margin-bottom: 0; }

/* ---------- Sectors ---------- */
.sector-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--line-dark);
  border: 1px solid var(--line-dark);
}
.sector { background: var(--paper); padding: 18px; }
.sector h3 { font-size: 0.98rem; }
.sector p { font-size: 0.85rem; margin-bottom: 0; }

/* ---------- Contact ---------- */
.contact { background: var(--ink); color: var(--text-light); }
.contact h2 { color: var(--text-light); }
.contact > .container > p { color: var(--text-muted-light); }
.contact-form { display: flex; flex-direction: column; gap: 14px; margin-top: 24px; }
.contact-form label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 0.85rem;
  color: var(--text-muted-light);
}
.contact-form input,
.contact-form textarea {
  font-family: var(--sans);
  font-size: 0.95rem;
  padding: 12px 13px;
  border-radius: var(--radius);
  border: 1px solid var(--line-light);
  background: var(--ink-panel);
  color: var(--text-light);
}
.contact-form input:focus,
.contact-form textarea:focus {
  outline: 2px solid var(--route);
  outline-offset: 1px;
}
.contact-form textarea { resize: vertical; }
.form-note {
  margin-top: 14px;
  font-size: 0.88rem;
  color: var(--accent);
  min-height: 1.2em;
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--ink);
  color: var(--text-muted-light);
  padding: 28px 0 34px;
  border-top: 1px solid var(--line-light);
}
.footer-brand {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--mono);
  color: var(--text-light);
  font-weight: 600;
  margin-bottom: 8px;
  max-width: var(--maxw);
  margin-left: auto; margin-right: auto;
  padding: 0 20px;
}
.site-footer p { max-width: var(--maxw); margin: 0 auto 6px; padding: 0 20px; font-size: 0.85rem; }

.footer-contact {
  max-width: var(--maxw);
  margin: 14px auto 0;
  padding: 14px 20px 0;
  border-top: 1px solid var(--line-light);
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.footer-contact-link {
  font-family: var(--mono);
  font-size: 0.85rem;
  color: var(--text-light);
  text-decoration: none;
  width: fit-content;
}
.footer-contact-link:hover { color: var(--accent); }

.footer-social {
  max-width: var(--maxw);
  margin: 16px auto 0;
  padding: 0 20px;
  display: flex;
  gap: 10px;
}
.social-link {
  width: 34px; height: 34px;
  border: 1px solid var(--line-light);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: var(--text-light);
  transition: border-color 0.2s ease, color 0.2s ease;
}
.social-link:hover { border-color: var(--accent); color: var(--accent); }

.footer-meta {
  color: var(--text-muted-light);
  opacity: 0.7;
  margin-top: 18px;
}

/* ---------- Wider screens ---------- */
@media (min-width: 640px) {
  :root { --maxw: 600px; }
  .hero { padding-top: 56px; }
}