/* =========================================================
   Mxch Ventas Rápidas — Sistema de diseño
   Paleta "Tierra Mexicana": Verde pino · Arena · Terracota
   Sin gradientes morados ni estética genérica de IA.
   ========================================================= */

:root {
  /* --- Color --- */
  --pine:       #1F3D2F;   /* verde pino — color principal / fondos oscuros */
  --pine-700:   #2A5240;   /* verde pino claro — hover oscuro */
  --pine-300:   #6E8B7C;   /* verde apagado — texto secundario sobre claro */
  --sand:       #EFE7D8;   /* arena cálida — fondo de secciones */
  --sand-50:    #F6F1E7;   /* arena muy clara — fondo base */
  --paper:      #FCFAF5;   /* blanco cálido — tarjetas */
  --terra:      #C2603F;   /* terracota — acento / botones / enlaces */
  --terra-600:  #A94E30;   /* terracota oscuro — hover */
  --terra-100:  #EBD3C6;   /* terracota lavado — fondos suaves */
  --ink:        #20211C;   /* tinta — texto principal */
  --ink-70:     #4A4B43;   /* texto cuerpo */
  --ink-45:     #7C7D72;   /* texto tenue */
  --line:       rgba(31, 61, 47, .14);
  --line-soft:  rgba(31, 61, 47, .08);

  /* --- Tipografía --- */
  --font-display: 'Fraunces', Georgia, 'Times New Roman', serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  /* --- Forma --- */
  --r-sm: 6px;
  --r-md: 10px;
  --r-lg: 16px;
  --shadow-sm: 0 1px 2px rgba(31, 61, 47, .06), 0 2px 8px rgba(31, 61, 47, .05);
  --shadow-md: 0 6px 24px rgba(31, 61, 47, .10);

  /* --- Estructura --- */
  --maxw: 1160px;
  --gutter: clamp(20px, 5vw, 48px);
}

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

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.7;
  color: var(--ink-70);
  background: var(--sand-50);
  /* Textura de papel sutil — aleja del "plano digital de IA" */
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.025'/%3E%3C/svg%3E");
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

img, svg { display: block; max-width: 100%; }

a { color: var(--terra); text-decoration: none; transition: color .18s ease; }
a:hover { color: var(--terra-600); }

/* Skip-link: visible solo al enfocar con teclado */
.skip-link {
  position: absolute; left: 12px; top: -60px; z-index: 200;
  background: var(--pine); color: #fff; padding: 10px 18px;
  border-radius: var(--r-sm); font-weight: 600; font-size: .92rem;
  transition: top .18s ease;
}
.skip-link:focus { top: 12px; color: #fff; outline: 2px solid var(--terra); outline-offset: 2px; }

::selection { background: var(--terra-100); color: var(--pine); }

/* --------------------- Tipografía --------------------- */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 540;
  font-optical-sizing: auto;
  color: var(--ink);
  line-height: 1.12;
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(2.4rem, 5.2vw, 4rem); }
h2 { font-size: clamp(1.9rem, 3.6vw, 2.7rem); }
h3 { font-size: 1.3rem; line-height: 1.25; }

.eyebrow {
  font-family: var(--font-body);
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--terra-600);
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.eyebrow::before {
  content: "";
  width: 26px; height: 2px;
  background: var(--terra);
  display: inline-block;
}

.lead { font-size: 1.18rem; color: var(--ink-70); }

/* --------------------- Estructura --------------------- */
.container {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

section { padding-block: clamp(64px, 9vw, 116px); }

.section-head { max-width: 640px; margin-bottom: 56px; }
.section-head .eyebrow { margin-bottom: 18px; }
.section-head p { margin-top: 16px; }
.section-head.center { margin-inline: auto; text-align: center; }
.section-head.center .eyebrow { justify-content: center; }

/* --------------------- Botones --------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: .98rem;
  padding: 14px 26px;
  border-radius: var(--r-sm);
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: transform .16s ease, background .18s ease, color .18s ease, border-color .18s ease;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--terra); color: #fff; }
.btn-primary:hover { background: var(--terra-600); color: #fff; }
.btn-ghost { background: transparent; color: var(--pine); border-color: var(--line); }
.btn-ghost:hover { border-color: var(--pine); color: var(--pine); }
.btn-light { background: var(--paper); color: var(--pine); }
.btn-light:hover { background: #fff; color: var(--pine); }
.btn svg { width: 18px; height: 18px; }

/* --------------------- Header / Nav --------------------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(246, 241, 231, .86);
  backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid var(--line-soft);
}
.nav {
  display: flex; align-items: center; justify-content: space-between;
  height: 74px;
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand-mark { width: 38px; height: 38px; flex: none; }
.brand-text { display: flex; flex-direction: column; line-height: 1; }
.brand-text strong {
  font-family: var(--font-display);
  font-weight: 600; font-size: 1.32rem; color: var(--pine);
  letter-spacing: -.01em;
}
.brand-text span {
  font-size: .68rem; font-weight: 600; letter-spacing: .18em;
  text-transform: uppercase; color: var(--ink-45); margin-top: 3px;
}
.nav-links { display: flex; align-items: center; gap: 34px; list-style: none; }
.nav-links a {
  color: var(--ink-70); font-weight: 500; font-size: .98rem;
  position: relative;
}
.nav-links a:hover { color: var(--pine); }
.nav-links a::after {
  content: ""; position: absolute; left: 0; bottom: -6px;
  width: 0; height: 2px; background: var(--terra); transition: width .22s ease;
}
.nav-links a:hover::after { width: 100%; }
.nav-cta { display: flex; align-items: center; gap: 14px; }
.nav-toggle {
  display: none; background: none; border: none; cursor: pointer;
  width: 44px; height: 44px; color: var(--pine);
}
.nav-toggle svg { width: 26px; height: 26px; }

/* --------------------- Hero --------------------- */
.hero {
  position: relative; overflow: hidden;
  background:
    radial-gradient(120% 90% at 88% -10%, var(--terra-100) 0%, transparent 46%),
    linear-gradient(180deg, var(--sand-50) 0%, var(--sand) 100%);
  border-bottom: 1px solid var(--line-soft);
}
.hero-grid {
  display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px;
  align-items: center;
  padding-block: clamp(56px, 8vw, 104px);
}
.hero-copy .eyebrow { margin-bottom: 24px; }
.hero h1 { margin-bottom: 22px; }
.hero h1 .accent { color: var(--terra); font-style: italic; }
.hero-copy .lead { max-width: 30ch; margin-bottom: 34px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 38px; }
.hero-trust { display: flex; gap: 28px; flex-wrap: wrap; }
.hero-trust div { display: flex; flex-direction: column; }
.hero-trust strong {
  font-family: var(--font-display); font-size: 1.7rem; color: var(--pine); font-weight: 600;
}
.hero-trust span { font-size: .82rem; color: var(--ink-45); }

/* Ilustración geométrica del hero (SVG, sin blobs ni 3D de IA) */
.hero-art { position: relative; aspect-ratio: 1 / 1; }

/* --------------------- Logos / franja confianza --------------------- */
.strip {
  background: var(--pine); color: #cfe0d6;
  padding-block: 22px;
}
.strip .container {
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 18px;
}
.strip p { font-size: .9rem; letter-spacing: .04em; color: #aec6b8; }
.strip-items { display: flex; gap: 30px; flex-wrap: wrap; }
.strip-items span {
  font-size: .9rem; font-weight: 500; color: #e4efe8;
  display: inline-flex; align-items: center; gap: 8px;
}
.strip-items svg { width: 17px; height: 17px; color: var(--terra); }

/* --------------------- Servicios --------------------- */
.grid-services {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px;
}
.card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  padding: 32px 28px;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(194, 96, 63, .4);
}
.card-icon {
  width: 52px; height: 52px; border-radius: var(--r-sm);
  background: var(--terra-100); color: var(--terra-600);
  display: grid; place-items: center; margin-bottom: 22px;
}
.card-icon svg { width: 26px; height: 26px; }
.card h3 { margin-bottom: 10px; }
.card p { font-size: .98rem; }

/* --------------------- Nosotros --------------------- */
.about-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center;
}
.about-visual {
  background: var(--pine);
  border-radius: var(--r-lg);
  padding: 44px;
  color: #dceae1;
  position: relative; overflow: hidden;
}
.about-visual h3 { color: #fff; font-size: 1.55rem; margin-bottom: 16px; }
.about-visual p { color: #b8cfc0; }
.about-stats {
  display: grid; grid-template-columns: 1fr 1fr; gap: 1px;
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--r-md); overflow: hidden; margin-top: 30px;
}
.about-stats div { background: var(--pine); padding: 22px 20px; }
.about-stats strong {
  display: block; font-family: var(--font-display);
  font-size: 1.9rem; color: #fff; font-weight: 600;
}
.about-stats span { font-size: .82rem; color: #a9c2b3; }
.check-list { list-style: none; display: grid; gap: 18px; margin-top: 28px; }
.check-list li { display: flex; gap: 14px; align-items: flex-start; }
.check-list .tick {
  flex: none; width: 26px; height: 26px; border-radius: 50%;
  background: var(--terra-100); color: var(--terra-600);
  display: grid; place-items: center; margin-top: 2px;
}
.check-list .tick svg { width: 15px; height: 15px; }
.check-list strong { color: var(--ink); font-weight: 600; }
.check-list p { font-size: .95rem; margin-top: 2px; }

/* --------------------- Proceso --------------------- */
.bg-sand { background: var(--sand); }
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.step { position: relative; }
.step-num {
  font-family: var(--font-display); font-size: 2.6rem; font-weight: 600;
  color: var(--terra); line-height: 1; margin-bottom: 16px;
  display: block;
}
.step h3 { font-size: 1.12rem; margin-bottom: 8px; }
.step p { font-size: .95rem; }

/* --------------------- Contacto --------------------- */
.contact-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 56px; }
.contact-info { display: grid; gap: 22px; align-content: start; }
.contact-item { display: flex; gap: 16px; align-items: flex-start; }
.contact-item .ci-icon {
  flex: none; width: 46px; height: 46px; border-radius: var(--r-sm);
  background: var(--pine); color: #fff; display: grid; place-items: center;
}
.contact-item .ci-icon svg { width: 22px; height: 22px; }
.contact-item h4 { font-family: var(--font-body); font-weight: 600; font-size: .82rem; text-transform: uppercase; letter-spacing: .1em; color: var(--ink-45); margin-bottom: 4px; }
.contact-item a, .contact-item p { color: var(--ink); font-size: 1.02rem; }
.contact-item a:hover { color: var(--terra); }

.form-card {
  background: var(--paper); border: 1px solid var(--line);
  border-radius: var(--r-lg); padding: 38px;
}
.field { margin-bottom: 18px; }
.field label {
  display: block; font-size: .85rem; font-weight: 600;
  color: var(--ink); margin-bottom: 7px;
}
.field input, .field textarea {
  width: 100%; font-family: var(--font-body); font-size: 1rem; color: var(--ink);
  padding: 13px 15px; border: 1.5px solid var(--line);
  border-radius: var(--r-sm); background: #fff; transition: border-color .18s ease;
}
.field input:focus, .field textarea:focus { outline: none; border-color: var(--terra); }
.field textarea { resize: vertical; min-height: 120px; }
.form-card .btn { width: 100%; justify-content: center; }
.form-note { font-size: .82rem; color: var(--ink-45); margin-top: 14px; text-align: center; }

/* --------------------- CTA franja --------------------- */
.cta-band { background: var(--pine); color: #fff; }
.cta-band .container {
  display: flex; align-items: center; justify-content: space-between;
  gap: 32px; flex-wrap: wrap;
}
.cta-band h2 { color: #fff; max-width: 18ch; }
.cta-band p { color: #b8cfc0; margin-top: 10px; max-width: 46ch; }

/* --------------------- Footer --------------------- */
.site-footer { background: #19301F; color: #a9c2b3; padding-block: 64px 30px; }
.footer-grid {
  display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 40px;
  padding-bottom: 44px; border-bottom: 1px solid rgba(255,255,255,.1);
}
.footer-brand .brand-text strong { color: #fff; }
.footer-brand .brand-text span { color: #88a394; }
.footer-brand p { margin-top: 18px; font-size: .92rem; max-width: 30ch; color: #95b0a1; }
.footer-col h4 {
  font-family: var(--font-body); color: #fff; font-size: .82rem;
  text-transform: uppercase; letter-spacing: .1em; margin-bottom: 18px; font-weight: 600;
}
.footer-col ul { list-style: none; display: grid; gap: 12px; }
.footer-col a { color: #a9c2b3; font-size: .95rem; }
.footer-col a:hover { color: #fff; }
.footer-col p { font-size: .92rem; line-height: 1.6; }
.footer-bottom {
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 14px; padding-top: 26px;
}
.footer-bottom p { font-size: .85rem; color: #88a394; }
.footer-bottom .made {
  display: inline-flex; align-items: center; gap: 8px; font-size: .85rem;
}
.footer-bottom .made b { color: #fff; font-weight: 600; }

/* --------------------- Páginas legales --------------------- */
.legal-hero {
  background: var(--pine); color: #fff; padding-block: clamp(60px, 8vw, 96px);
}
.legal-hero .eyebrow { color: var(--terra-100); margin-bottom: 18px; }
.legal-hero .eyebrow::before { background: var(--terra-100); }
.legal-hero h1 { color: #fff; }
.legal-hero p { color: #b8cfc0; margin-top: 16px; max-width: 60ch; }
.legal-body { max-width: 820px; }
.legal-body h2 { font-size: 1.5rem; margin: 44px 0 14px; }
.legal-body h3 { font-size: 1.12rem; margin: 28px 0 10px; color: var(--pine); }
.legal-body p { margin-bottom: 16px; }
.legal-body ul, .legal-body ol { margin: 0 0 18px 22px; display: grid; gap: 9px; }
.legal-body li { padding-left: 4px; }
.legal-body strong { color: var(--ink); }
.legal-meta {
  background: var(--paper); border: 1px solid var(--line);
  border-radius: var(--r-md); padding: 24px 28px; margin-bottom: 36px;
}
.legal-meta dl { display: grid; grid-template-columns: auto 1fr; gap: 8px 24px; }
.legal-meta dt { font-weight: 600; color: var(--ink); font-size: .92rem; }
.legal-meta dd { color: var(--ink-70); font-size: .92rem; overflow-wrap: anywhere; word-break: break-word; }
/* Enlaces dentro del cuerpo legal: terracota oscuro + subrayado para mejor contraste (AA) */
.legal-body a { color: var(--terra-600); text-decoration: underline; text-underline-offset: 2px; }
.legal-body a:hover { color: var(--pine); }

/* --------------------- Animación de entrada --------------------- */
/* Solo se oculta cuando JS está activo (html.js); sin JS, todo el contenido
   permanece visible — clave para SEO y para la revisión de la cuenta. */
html.js .reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s ease, transform .7s ease; }
html.js .reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html.js .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* --------------------- Responsive --------------------- */
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero-art { max-width: 440px; margin-inline: auto; }
  .grid-services { grid-template-columns: 1fr 1fr; }
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .steps { grid-template-columns: 1fr 1fr; gap: 32px; }
  .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media (max-width: 620px) {
  body { font-size: 16px; }
  .nav-links, .nav-cta .btn-ghost { display: none; }
  .nav-toggle { display: grid; place-items: center; }
  .nav.open .nav-links {
    display: flex; flex-direction: column; gap: 4px; align-items: stretch;
    position: absolute; top: 74px; left: 0; right: 0;
    background: var(--sand-50); border-bottom: 1px solid var(--line);
    padding: 14px var(--gutter) 22px;
  }
  .nav.open .nav-links a { padding: 12px 0; border-bottom: 1px solid var(--line-soft); }
  .nav.open .nav-links a::after { display: none; }
  .hero-art { display: none; }   /* hero compacto en teléfonos */
  .legal-meta dl { grid-template-columns: 1fr; gap: 2px 0; }
  .legal-meta dt { margin-top: 12px; }
  .legal-meta dt:first-child { margin-top: 0; }
  .grid-services { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .hero-trust { gap: 22px; }
  .cta-band .container { flex-direction: column; align-items: flex-start; }
}