/* ============================================================
   PROCLAVE — Hoja de estilos principal
   Venta, reparación y mantenimiento autorizado de autoclaves
   ============================================================ */

/* ---------- Reset básico ---------- */
*, *::before, *::after { box-sizing: border-box; }
html, body, h1, h2, h3, h4, p, ul, ol, figure { margin: 0; padding: 0; }
ul, ol { list-style: none; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }
html { scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

/* ---------- Tokens de diseño ---------- */
:root {
  /* Color — extraído del logo PROCLAVE (azul + negro) */
  --pc-blue: #1B75BC;
  --pc-blue-dark: #124F80;
  --pc-blue-tint: #E9F2FA;
  --pc-black: #14181C;
  --pc-steam: #4FB8BE;      /* acento cian "vapor / esterilización" */
  --pc-steam-dark: #33898E;
  --pc-grey-700: #4A5560;
  --pc-grey-400: #8B98A3;
  --pc-grey-100: #F3F7FA;
  --pc-white: #FFFFFF;
  --pc-line: #DCE4EA;

  /* Tipografía — pila de fuentes de sistema (sin CDN ni archivos externos) */
  --font-display: -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-body: -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;

  /* Espaciado */
  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2.5rem;
  --space-5: 4rem;
  --space-6: 6rem;

  --radius: 10px;
  --max-width: 1180px;
  --shadow: 0 12px 32px -16px rgba(20, 24, 28, 0.25);
}

/* ---------- Base ---------- */
body {
  font-family: var(--font-body);
  color: var(--pc-black);
  background: var(--pc-white);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.01em;
  color: var(--pc-black);
}

h1 { font-size: clamp(2.1rem, 4.5vw, 3.4rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.3rem); }
h3 { font-size: 1.25rem; }

p { color: var(--pc-grey-700); }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--pc-blue);
  margin-bottom: var(--space-2);
}
.eyebrow::before {
  content: "";
  width: 22px;
  height: 2px;
  background: var(--pc-steam);
  display: inline-block;
}

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

.section { padding: var(--space-6) 0; }
.section--tight { padding: var(--space-5) 0; }
.section--tint { background: var(--pc-grey-100); }
.section--dark { background: var(--pc-black); color: var(--pc-white); }
.section--dark h2, .section--dark h3 { color: var(--pc-white); }
.section--dark p { color: #C7CFD6; }

.section-head { max-width: 640px; margin-bottom: var(--space-4); }
.section-head p { margin-top: var(--space-2); font-size: 1.05rem; }

/* ---------- Botones ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 1.6rem;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.95rem;
  border: 2px solid transparent;
  transition: transform 0.15s ease, background-color 0.15s ease, border-color 0.15s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn:focus-visible { outline: 3px solid var(--pc-steam); outline-offset: 2px; }

.btn--primary { background: var(--pc-blue); color: var(--pc-white); }
.btn--primary:hover { background: var(--pc-blue-dark); }

.btn--ghost { border-color: var(--pc-white); color: var(--pc-white); }
.btn--ghost:hover { background: rgba(255,255,255,0.12); }

.btn--outline { border-color: var(--pc-blue); color: var(--pc-blue); }
.btn--outline:hover { background: var(--pc-blue); color: var(--pc-white); }

.btn--google { background: var(--pc-white); color: var(--pc-blue-dark); border-color: var(--pc-line); }
.btn--google:hover { border-color: var(--pc-blue); }

/* ---------- Cabecera / navegación ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: saturate(180%) blur(8px);
  border-bottom: 1px solid var(--pc-line);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 0.85rem;
  padding-bottom: 0.85rem;
}
.brand { display: flex; align-items: center; gap: 0.6rem; }
.brand img { height: 34px; width: auto; }

.nav { display: flex; align-items: center; gap: var(--space-4); }
.nav-links { display: flex; gap: var(--space-3); }
.nav-links a {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--pc-grey-700);
  padding: 0.4rem 0.1rem;
  border-bottom: 2px solid transparent;
  transition: color 0.15s ease, border-color 0.15s ease;
}
.nav-links a:hover, .nav-links a[aria-current="page"] {
  color: var(--pc-blue-dark);
  border-color: var(--pc-blue);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  padding: 0.4rem;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--pc-black);
  margin: 5px 0;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

@media (max-width: 860px) {
  .nav-links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--pc-white);
    flex-direction: column;
    gap: 0;
    border-bottom: 1px solid var(--pc-line);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.25s ease;
  }
  .nav-links.is-open { max-height: 420px; }
  .nav-links a { padding: 0.9rem var(--space-3); border-bottom: 1px solid var(--pc-line); width: 100%; }
  .nav-cta { display: none; }
  .nav-toggle { display: block; }
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: var(--space-6) 0;
  background: linear-gradient(180deg, var(--pc-blue-tint) 0%, var(--pc-white) 78%);
  overflow: hidden;
}
.hero .container {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--space-5);
  align-items: center;
}
.hero h1 { margin-bottom: var(--space-2); }
.hero .lede { font-size: 1.15rem; max-width: 46ch; margin-bottom: var(--space-4); }
.hero-actions { display: flex; gap: var(--space-2); flex-wrap: wrap; }

.hero-coverage {
  display: flex;
  gap: var(--space-3);
  margin-top: var(--space-4);
  flex-wrap: wrap;
}
.hero-coverage div { font-size: 0.85rem; color: var(--pc-grey-700); }
.hero-coverage strong { display: block; font-size: 1.5rem; color: var(--pc-blue-dark); font-family: var(--font-display); }

/* Gauge — elemento de firma: manómetro de presión de autoclave */
.gauge-wrap { display: flex; justify-content: center; }
.gauge { width: min(340px, 100%); }
.gauge-ring { fill: none; stroke: var(--pc-line); stroke-width: 10; }
.gauge-arc { fill: none; stroke: var(--pc-blue); stroke-width: 10; stroke-linecap: round; stroke-dasharray: 251; stroke-dashoffset: 70; }
.gauge-needle { transform-origin: 170px 170px; animation: gauge-sweep 3.5s ease-in-out infinite; }
.gauge-center { fill: var(--pc-black); }
.gauge-label { font-family: var(--font-display); font-weight: 800; font-size: 28px; fill: var(--pc-black); }
.gauge-sub { font-size: 12px; fill: var(--pc-grey-700); letter-spacing: 0.08em; }

@keyframes gauge-sweep {
  0%, 100% { transform: rotate(-8deg); }
  50% { transform: rotate(6deg); }
}

/* ---------- Tarjetas de servicio (repetidas en varias páginas) ---------- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
}
.service-card {
  background: var(--pc-white);
  border: 1px solid var(--pc-line);
  border-radius: var(--radius);
  padding: var(--space-4);
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}
.service-card:hover { box-shadow: var(--shadow); transform: translateY(-4px); }
.service-card .icon {
  width: 46px; height: 46px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%;
  background: var(--pc-blue-tint);
  color: var(--pc-blue);
  margin-bottom: var(--space-2);
}
.service-card h3 { margin-bottom: 0.5rem; }
.service-card p { font-size: 0.95rem; }

/* ---------- Franja de confianza ---------- */
.trust-strip {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  justify-content: space-between;
  padding: var(--space-4) 0;
  border-top: 1px solid var(--pc-line);
  border-bottom: 1px solid var(--pc-line);
}
.trust-item { display: flex; gap: 0.75rem; align-items: flex-start; max-width: 280px; }
.trust-item .icon { color: var(--pc-steam-dark); flex-shrink: 0; }
.trust-item strong { display: block; font-family: var(--font-display); font-size: 0.98rem; }
.trust-item span { font-size: 0.88rem; color: var(--pc-grey-700); }

/* ---------- Proceso ---------- */
.process { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-3); counter-reset: step; }
.process-step { position: relative; padding-top: var(--space-3); border-top: 3px solid var(--pc-steam); }
.process-step::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 0.85rem;
  color: var(--pc-blue);
  letter-spacing: 0.05em;
  display: block;
  margin-bottom: 0.4rem;
}
.process-step h3 { font-size: 1.05rem; margin-bottom: 0.35rem; }
.process-step p { font-size: 0.9rem; }

/* ---------- Enlace cruzado a la marca hermana ---------- */
.sister-brand {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  flex-wrap: wrap;
  background: var(--pc-blue-tint);
  border: 1px solid var(--pc-line);
  border-radius: var(--radius);
  padding: var(--space-3) var(--space-4);
}
.sister-brand p { color: var(--pc-black); font-weight: 600; margin: 0; }
.sister-brand span { display: block; font-weight: 400; color: var(--pc-grey-700); font-size: 0.9rem; margin-top: 2px; }

/* ---------- Reseñas de Google ---------- */
.reviews-summary {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: wrap;
  margin-bottom: var(--space-4);
}
.rating-badge {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  background: var(--pc-white);
  border: 1px solid var(--pc-line);
  border-radius: var(--radius);
  padding: var(--space-2) var(--space-3);
}
.rating-badge .score { font-family: var(--font-display); font-weight: 800; font-size: 2.2rem; color: var(--pc-blue-dark); }
.stars { color: #F2A93B; font-size: 1.1rem; letter-spacing: 2px; }
.rating-badge .count { font-size: 0.85rem; color: var(--pc-grey-700); }

.review-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-3); }
.review-card {
  background: var(--pc-white);
  border: 1px solid var(--pc-line);
  border-radius: var(--radius);
  padding: var(--space-3);
}
.review-card .stars { display: block; margin-bottom: 0.6rem; }
.review-card p { font-size: 0.92rem; color: var(--pc-black); }
.review-card footer { margin-top: var(--space-2); font-size: 0.82rem; color: var(--pc-grey-700); font-weight: 600; }

/* ---------- Contacto ---------- */
.contact-grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: var(--space-5); }
.contact-info-list { display: flex; flex-direction: column; gap: var(--space-3); margin-top: var(--space-3); }
.contact-info-item { display: flex; gap: 0.85rem; align-items: flex-start; }
.contact-info-item .icon { color: var(--pc-blue); flex-shrink: 0; margin-top: 2px; }
.contact-info-item strong { display: block; font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.05em; color: var(--pc-grey-700); }
.contact-info-item a, .contact-info-item span.value { font-weight: 600; font-size: 1.05rem; }

#contact-form-placeholder {
  border: 2px dashed var(--pc-line);
  border-radius: var(--radius);
  padding: var(--space-5) var(--space-3);
  text-align: center;
  color: var(--pc-grey-400);
  font-size: 0.95rem;
  background: var(--pc-grey-100);
}

/* ---------- Pie de página ---------- */
.site-footer { background: var(--pc-black); color: #C7CFD6; padding: var(--space-5) 0 var(--space-3); }
.footer-grid { display: grid; grid-template-columns: 1.3fr 1fr 1fr; gap: var(--space-4); margin-bottom: var(--space-4); }
.footer-brand img { height: 30px; margin-bottom: var(--space-2); filter: brightness(0) invert(1); }
.footer-brand p { color: #9AA6B0; font-size: 0.9rem; max-width: 34ch; }
.footer-col h4 { color: var(--pc-white); font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: var(--space-2); }
.footer-col a, .footer-col span { display: block; font-size: 0.92rem; color: #C7CFD6; margin-bottom: 0.55rem; }
.footer-col a:hover { color: var(--pc-white); }
.footer-bottom { border-top: 1px solid #262B31; padding-top: var(--space-3); font-size: 0.82rem; color: #7C8791; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 0.5rem; }

/* ---------- Utilidades responsive ---------- */
@media (max-width: 900px) {
  .hero .container { grid-template-columns: 1fr; }
  .gauge-wrap { order: -1; max-width: 240px; margin: 0 auto var(--space-3); }
  .card-grid, .process, .review-grid { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
  .card-grid, .process, .review-grid { grid-template-columns: 1fr; }
  .trust-strip { flex-direction: column; }
  .footer-grid { grid-template-columns: 1fr; }
  .reviews-summary { flex-direction: column; align-items: flex-start; }
}

/* ---------- Accesibilidad ---------- */
a:focus-visible, button:focus-visible {
  outline: 3px solid var(--pc-steam);
  outline-offset: 2px;
}
.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--pc-blue);
  color: var(--pc-white);
  padding: 0.75rem 1.25rem;
  z-index: 100;
  border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; }