/* ============================================
   TOKENS DE DISEÑO
   Paleta inspirada en el objeto real del negocio:
   verde solder mask + trazas de cobre.
   ============================================ */
:root {
  --color-pcb: #0C3B2C;          /* verde solder mask — fondo hero/cta */
  --color-pcb-deep: #082A20;     /* variante más oscura, footer */
  --color-copper: #C17A3D;       /* único acento — usar con moderación */
  --color-copper-soft: #C17A3D26;
  --color-silk: #F2EFE4;         /* "tinta de serigrafía" — texto sobre verde */
  --color-bg: #F5F3EC;           /* fondo claro general */
  --color-bg-alt: #FFFFFF;
  --color-ink: #12241C;          /* texto principal sobre claro */
  --color-line: #12241C1a;

  --font-display: "Space Grotesk", "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;

  --max-width: 1120px;
  --radius: 3px;
  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2.5rem;
  --space-5: 4rem;
  --space-6: 6rem;
}

/* ============================================
   RESET
   ============================================ */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-ink);
  background: var(--color-bg);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; }
h1, h2, h3 { font-family: var(--font-display); margin: 0 0 var(--space-2); line-height: 1.15; font-weight: 600; }
p { margin: 0 0 var(--space-2); }
ul, ol { margin: 0; padding: 0; list-style: none; }

:focus-visible { outline: 2px solid var(--color-copper); outline-offset: 3px; }

.wrap { max-width: var(--max-width); margin: 0 auto; padding: 0 var(--space-3); }

.eyebrow {
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.78rem;
  color: var(--color-copper);
  font-weight: 600;
  margin-bottom: var(--space-2);
}
.eyebrow-light { color: var(--color-copper); }
.section-lead { max-width: 62ch; opacity: 0.8; }
.section-lead-light { color: var(--color-silk); opacity: 0.85; }

/* ============================================
   BOTONES
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.6rem;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, background-color 0.15s ease;
}
.btn-primary { background: var(--color-copper); color: var(--color-pcb-deep); }
.btn-primary:hover { transform: translateY(-1px); }
.btn-ghost { background: transparent; border-color: currentColor; color: inherit; }
.btn-ghost:hover { background: var(--color-copper-soft); }

/* ============================================
   HEADER
   ============================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--color-bg-alt);
  border-bottom: 1px solid var(--color-line);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-2) 0;
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 1.05rem;
  font-weight: 600;
  text-decoration: none;
  color: var(--color-pcb);
}
.nav { display: flex; align-items: center; gap: var(--space-4); font-size: 0.92rem; }
.nav a { text-decoration: none; }
.nav-cta {
  padding: 0.5rem 1rem;
  border: 1px solid var(--color-pcb);
  border-radius: var(--radius);
  font-weight: 600;
}
.nav-toggle { display: none; flex-direction: column; gap: 4px; background: none; border: none; cursor: pointer; padding: 0.5rem; }
.nav-toggle span { width: 22px; height: 2px; background: var(--color-ink); }
.nav.nav-open { display: flex; }

/* ============================================
   PATRÓN DE TRAZAS (elemento de firma)
   ============================================ */
.trace-pattern {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.16;
  background-image:
    repeating-linear-gradient(90deg, var(--color-copper) 0 2px, transparent 2px 160px),
    repeating-linear-gradient(0deg, var(--color-copper) 0 2px, transparent 2px 220px);
}
.trace-pattern-light { opacity: 0.1; }

.fiducial {
  position: absolute;
  width: 26px;
  height: 26px;
  opacity: 0.55;
}
.fiducial::before, .fiducial::after {
  content: "";
  position: absolute;
  background: var(--color-copper);
}
.fiducial::before { top: 50%; left: 0; right: 0; height: 1px; transform: translateY(-50%); }
.fiducial::after { left: 50%; top: 0; bottom: 0; width: 1px; transform: translateX(-50%); }
.fiducial-tl { top: var(--space-4); left: var(--space-3); }
.fiducial-br { bottom: var(--space-4); right: var(--space-3); }

.via-dot {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: 2px solid var(--color-copper);
  background: var(--color-bg-alt);
  margin-bottom: var(--space-1);
}
.via-dot-light { background: var(--color-pcb); }

.ref-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-copper);
  border: 1px solid var(--color-copper);
  border-radius: 999px;
  padding: 0.15rem 0.6rem;
  margin-bottom: var(--space-2);
}

/* ============================================
   HERO
   ============================================ */
.hero {
  position: relative;
  background: var(--color-pcb);
  color: var(--color-silk);
  overflow: hidden;
}
.hero-inner { position: relative; padding: var(--space-6) 0 var(--space-5); max-width: 760px; margin-left: var(--space-3); }
.badge-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.05em;
  color: var(--color-copper);
  border: 1px solid var(--color-copper);
  border-radius: 999px;
  padding: 0.3rem 0.8rem;
  margin-bottom: var(--space-3);
}
.hero h1 { font-size: clamp(2.1rem, 4.6vw, 3.3rem); margin-bottom: var(--space-3); }
.hero-sub { font-size: 1.1rem; max-width: 56ch; opacity: 0.85; margin-bottom: var(--space-4); }
.hero-actions { display: flex; gap: var(--space-2); flex-wrap: wrap; }
.hero-actions .btn-ghost { border-color: var(--color-silk); }

/* ============================================
   PROBLEMA / DATASHEET
   ============================================ */
.problem { padding: var(--space-6) 0; }
.problem h2 { font-size: clamp(1.5rem, 3vw, 2rem); max-width: 46ch; }
.problem-lead { max-width: 58ch; opacity: 0.75; margin-bottom: var(--space-4); }

.datasheet {
  border: 1px solid var(--color-ink);
  border-radius: var(--radius);
  overflow: hidden;
  font-family: var(--font-mono);
  font-size: 0.88rem;
}
.datasheet-header, .datasheet-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2);
  padding: 0.85rem 1.1rem;
}
.datasheet-header {
  background: var(--color-pcb);
  color: var(--color-silk);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 0.72rem;
}
.datasheet-row { border-top: 1px solid var(--color-line); background: var(--color-bg-alt); }
.datasheet-row:nth-child(even) { background: #fbfaf6; }
.ds-value { color: var(--color-copper); font-weight: 600; text-align: right; }

/* ============================================
   SERVICIOS
   ============================================ */
.servicios { padding: var(--space-6) 0; background: var(--color-bg-alt); }
.servicios h2, .how h2, .ventana h2, .cta-final h2 { font-size: clamp(1.6rem, 3vw, 2.1rem); max-width: 44ch; }
.servicios-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-3); margin-top: var(--space-4); }
.servicio-card {
  position: relative;
  padding: var(--space-3);
  border: 1px solid var(--color-line);
  border-top: 3px solid var(--color-copper);
  border-radius: var(--radius);
  background: var(--color-bg);
}
.servicio-featured { border-color: var(--color-copper); background: #fff; box-shadow: 0 8px 24px -12px rgba(12, 59, 44, 0.25); }
.servicio-badge {
  position: absolute;
  top: -0.8rem;
  left: var(--space-3);
  background: var(--color-copper);
  color: var(--color-pcb-deep);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 0.3rem 0.7rem;
  border-radius: 999px;
}
.servicio-price { font-family: var(--font-display); font-size: 2rem; margin: 0.2rem 0; }
.servicio-price span { font-size: 0.95rem; font-family: var(--font-body); opacity: 0.6; }
.servicio-meta { font-family: var(--font-mono); font-size: 0.78rem; color: var(--color-copper); margin-bottom: var(--space-2); }
.servicio-note { font-size: 0.82rem; opacity: 0.6; font-style: italic; }

/* ============================================
   LO QUE INCLUYE
   ============================================ */
.incluye { padding: var(--space-6) 0; }
.incluye-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-3); margin-top: var(--space-4); }
.incluye-item h3 { font-size: 1.1rem; }
.incluye-item p { opacity: 0.8; font-size: 0.95rem; }

/* ============================================
   CÓMO FUNCIONA
   ============================================ */
.how { padding: var(--space-6) 0; background: var(--color-bg-alt); }
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-3); margin-top: var(--space-4); }
.step-mark {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-copper);
  border-bottom: 2px solid var(--color-copper);
  margin-bottom: var(--space-2);
}
.steps h3 { font-size: 1.05rem; }
.steps p { font-size: 0.92rem; opacity: 0.75; }

/* ============================================
   VENTANA DE PEDIDO GRUPAL
   ============================================ */
.ventana { position: relative; padding: var(--space-6) 0; background: var(--color-pcb); color: var(--color-silk); overflow: hidden; }
.ventana h2 { color: var(--color-silk); }
.timeline {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
  margin-top: var(--space-4);
}
.timeline::before {
  content: "";
  position: absolute;
  top: 5px;
  left: 5%;
  right: 5%;
  height: 1px;
  background: var(--color-copper);
  opacity: 0.5;
}
.timeline-step { position: relative; }
.timeline-date { display: block; font-family: var(--font-mono); font-weight: 600; color: var(--color-copper); margin-bottom: 0.3rem; }
.timeline-step p { opacity: 0.85; font-size: 0.95rem; margin: 0; }
.timeline-note { margin-top: var(--space-3); font-size: 0.82rem; opacity: 0.6; }

/* ============================================
   CTA FINAL
   ============================================ */
.cta-final { padding: var(--space-6) 0; background: var(--color-pcb-deep); color: var(--color-silk); text-align: center; }
.cta-final .wrap { display: flex; flex-direction: column; align-items: center; }
.cta-final h2 { color: var(--color-silk); }
.cta-form { display: flex; gap: var(--space-1); justify-content: center; flex-wrap: wrap; margin-top: var(--space-2); }
.cta-form input {
  padding: 0.65rem 0.75rem;
  border-radius: var(--radius);
  border: 1px solid var(--color-line);
  background: var(--color-bg-alt);
  color: var(--color-ink);
  min-width: 260px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 400;
}
.cta-form input:focus {
  outline: none;
  border-color: var(--color-copper);
}
.cta-form input::placeholder { color: var(--color-ink); opacity: 0.4; }

/* ============================================
   FOOTER
   ============================================ */
.site-footer { background: var(--color-ink); color: var(--color-silk); padding: var(--space-3) 0; font-size: 0.85rem; }
.footer-inner { display: flex; justify-content: space-between; flex-wrap: wrap; gap: var(--space-2); }
.footer-links { display: flex; gap: var(--space-3); }
.footer-links a { text-decoration: none; opacity: 0.75; }
.footer-links a:hover { opacity: 1; }

/* ============================================
   PÁGINA DE PEDIDO
   ============================================ */
.wrap-narrow { max-width: 720px; }

.pedido-hero {
  background: var(--color-pcb);
  color: var(--color-silk);
  padding: var(--space-5) 0 var(--space-4);
}
.pedido-hero h1 { color: var(--color-silk); font-size: clamp(1.8rem, 4vw, 2.6rem); }
.pedido-hero .section-lead { color: var(--color-silk); opacity: 0.85; }

.pedido-section { padding: var(--space-5) 0 var(--space-6); background: var(--color-bg-alt); }

.campo-trampa {
  position: absolute;
  left: -9999px;
  opacity: 0;
  pointer-events: none;
}

.pedido-form fieldset {
  border: none;
  border-top: 1px solid var(--color-line);
  padding: var(--space-4) 0;
  margin: 0;
}
.pedido-form fieldset:first-of-type { border-top: none; padding-top: 0; }

.pedido-form legend {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-copper);
  padding: 0;
  margin-bottom: var(--space-3);
}

.field-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
}
.field-grid label,
.file-label {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  font-size: 0.88rem;
  font-weight: 600;
}
.field-grid input,
.field-grid select,
.file-label input {
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 400;
  padding: 0.65rem 0.75rem;
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  background: var(--color-bg);
  color: var(--color-ink);
}
.field-grid input:focus,
.field-grid select:focus,
.file-label input:focus {
  outline: none;
  border-color: var(--color-copper);
}
.field-hint { font-size: 0.82rem; opacity: 0.6; margin-top: var(--space-1); }

.plan-options {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.plan-option {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 0.92rem;
}
.plan-option:has(input:checked) {
  border-color: var(--color-copper);
  background: var(--color-copper-soft);
}
.plan-option input[type="radio"] { accent-color: var(--color-copper); }
.plan-option .ref-tag { margin-bottom: 0; }

.btn-submit { margin-top: var(--space-2); width: 100%; }

.form-status {
  margin-top: var(--space-2);
  font-size: 0.9rem;
  font-weight: 600;
  min-height: 1.2em;
}
.form-status.is-loading { color: var(--color-ink); opacity: 0.7; }
.form-status.is-success { color: #1E7A4C; }
.form-status.is-error { color: #B23A3A; }

/* ============================================
   CONFIRMACIÓN DE PEDIDO
   ============================================ */
.confirmacion {
  border: 1px solid var(--color-copper);
  border-radius: var(--radius);
  padding: var(--space-4);
  background: var(--color-copper-soft);
}
.confirmacion h2 { font-size: clamp(1.4rem, 3vw, 1.8rem); }

.confirmacion-monto {
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
  margin: var(--space-3) 0;
  padding: var(--space-3);
  background: var(--color-pcb);
  border-radius: var(--radius);
}
.confirmacion-monto-label {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--color-silk);
  opacity: 0.8;
}
.confirmacion-monto-valor {
  font-family: var(--font-display);
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--color-copper);
}

.confirmacion-pasos {
  counter-reset: paso;
  margin-bottom: var(--space-3);
}
.confirmacion-pasos li {
  counter-increment: paso;
  padding-left: 2rem;
  position: relative;
  margin-bottom: 0.6rem;
}
.confirmacion-pasos li::before {
  content: counter(paso);
  position: absolute;
  left: 0;
  top: 0;
  width: 1.4rem;
  height: 1.4rem;
  border-radius: 50%;
  background: var(--color-copper);
  color: var(--color-pcb-deep);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

.btn-whatsapp { width: 100%; text-align: center; }
.confirmacion-numero {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  text-align: center;
  opacity: 0.7;
  margin-top: var(--space-1);
}

.confirmacion-link-box {
  margin-top: var(--space-4);
  padding-top: var(--space-3);
  border-top: 1px solid var(--color-line);
}
.confirmacion-link-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-copper);
  margin-bottom: 0.5rem;
}
.confirmacion-link-row {
  display: flex;
  gap: 0.5rem;
}
.confirmacion-link-row input {
  flex: 1;
  padding: 0.6rem 0.75rem;
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  background: var(--color-bg-alt);
}

/* ============================================
   RESPONSIVE
   ============================================ */
   /* ============================================
   TIMELINE DE ESTATUS (estado.html)
   ============================================ */
.status-steps {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.status-step {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: var(--color-ink);
  opacity: 0.4; /* pasos que todavía no llegan: apagados */
}
.status-step .via-dot {
  border-color: var(--color-line);
  background: var(--color-bg-alt);
}

.status-step.is-done {
  opacity: 1;
}
.status-step.is-done .via-dot {
  border-color: var(--color-copper);
  background: var(--color-copper);
}

.status-step.is-current {
  opacity: 1;
  font-weight: 700;
  color: var(--color-pcb);
}
.status-step.is-current .via-dot {
  border-color: var(--color-pcb);
  background: var(--color-pcb);
  box-shadow: 0 0 0 4px var(--color-copper-soft);
}

.correccion-box {
  margin-top: var(--space-4);
  padding: var(--space-3);
  border: 1px solid var(--color-copper);
  border-radius: var(--radius);
  background: var(--color-copper-soft);
}
.correccion-box form {
  display: flex;
  gap: var(--space-2);
  align-items: center;
  flex-wrap: wrap;
  margin-top: var(--space-2);
}
@media (max-width: 900px) {
  .servicios-grid, .incluye-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .timeline { grid-template-columns: 1fr; }
  .timeline::before { display: none; }
  .datasheet-header, .datasheet-row { grid-template-columns: 1.4fr 1fr; }
  .field-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .field-grid { grid-template-columns: 1fr; }
}
@media (max-width: 700px) {
  .nav { display: none; position: absolute; top: 100%; left: 0; right: 0; background: var(--color-bg-alt); flex-direction: column; padding: var(--space-2) var(--space-3); border-bottom: 1px solid var(--color-line); }
  .nav-toggle { display: flex; }
  .hero-inner { margin-left: var(--space-3); margin-right: var(--space-3); }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .btn { transition: none; }
}