/* =========================================================================
   Luis Calvo Ruiz — Sistema de marca (Guía v1)
   Verde bosque #2F5D4A · verde oscuro #1A3A2A · terracota #B86F4A
   arena #F5EDE0 · verde pálido #F0F5F1 · tinta #1F1D18 · texto suave #6A665E
   Tipografía web: Inter (texto/títulos) + JetBrains Mono (kickers/etiquetas)
   ========================================================================= */

:root {
  --bosque:      #2F5D4A;
  --bosque-800:  #1A3A2A;
  --bosque-50:   #F0F5F1;
  --terra:       #B86F4A;
  --terra-700:   #9A5A39;
  --arena:       #F5EDE0;
  --arena-70:    #FAF6EF;
  --tinta:       #1F1D18;
  --suave:       #6A665E;
  --gris:        #CCCCCC;
  --gris-10:     #EDEBE6;
  --blanco:      #FFFFFF;

  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;

  --maxw: 1120px;
  --maxw-narrow: 760px;
  --radius: 14px;
  --radius-sm: 10px;
  --shadow: 0 1px 2px rgba(31,29,24,.04), 0 8px 30px rgba(31,29,24,.06);
  --shadow-lg: 0 10px 40px rgba(31,29,24,.10);
  --gap: clamp(1.25rem, 3vw, 2rem);
}

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

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

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--tinta);
  background: var(--blanco);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--bosque); text-underline-offset: 3px; }

h1, h2, h3 { line-height: 1.15; letter-spacing: -.015em; color: var(--bosque); font-weight: 700; margin: 0 0 .5em; }
h1 { font-size: clamp(2.1rem, 4.6vw, 3.15rem); }
h2 { font-size: clamp(1.6rem, 3.2vw, 2.25rem); }
h3 { font-size: clamp(1.2rem, 2vw, 1.45rem); }
p  { margin: 0 0 1rem; }

/* --- Roles de encabezado ------------------------------------------------- */
.kicker {
  font-family: var(--font-mono);
  font-size: .74rem;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--terra);
  margin: 0 0 .85rem;
  display: block;
}
.eyebrow { /* marcador estructural gris */
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--suave);
}
.lede { font-size: 1.15rem; color: var(--tinta); opacity: .9; max-width: 78ch; }

/* --- Layout -------------------------------------------------------------- */
.wrap { max-width: var(--maxw); margin-inline: auto; padding-inline: clamp(1.1rem, 4vw, 2.5rem); }
.narrow { max-width: var(--maxw-narrow); }
section { padding-block: clamp(3rem, 7vw, 5.5rem); }
.section-head { max-width: 92ch; margin-bottom: clamp(1.8rem, 4vw, 3rem); }
.section-head.center { margin-inline: auto; text-align: center; }
.section-head.center .lede { margin-inline: auto; }

/* --- Header / Nav -------------------------------------------------------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.9);
  backdrop-filter: saturate(1.4) blur(10px);
  border-bottom: 1px solid var(--gris-10);
}
.nav { display: flex; align-items: center; justify-content: space-between; gap: 1rem; height: 68px; }
.brand { display: flex; align-items: center; gap: .6rem; font-weight: 700; color: var(--bosque); text-decoration: none; letter-spacing: -.01em; }
.brand .mark {
  width: 34px; height: 34px; border-radius: 9px; flex: none;
  background: var(--bosque); color: #fff; display: grid; place-items: center;
  font-family: var(--font-mono); font-weight: 700; font-size: .95rem; letter-spacing: -.03em;
}
.nav-links { display: flex; align-items: center; gap: 1.6rem; list-style: none; margin: 0; padding: 0; }
.nav-links a { color: var(--tinta); text-decoration: none; font-size: .95rem; font-weight: 500; opacity: .82; transition: opacity .15s; }
.nav-links a:hover, .nav-links a[aria-current="page"] { opacity: 1; color: var(--bosque); }
.nav-links .caret { font-size: .68em; margin-left: .32em; opacity: .55; }
.nav-links .has-sub { position: relative; }
.submenu {
  position: absolute; top: 100%; left: 50%; transform: translateX(-50%);
  list-style: none; margin: 0; padding: .5rem; min-width: 236px;
  background: #fff; border: 1px solid var(--gris-10); border-radius: 14px; box-shadow: var(--shadow-lg);
  opacity: 0; visibility: hidden; translate: 0 -8px; transition: opacity .16s, translate .16s, visibility .16s; z-index: 60;
}
.has-sub:hover .submenu, .has-sub:focus-within .submenu { opacity: 1; visibility: visible; translate: 0 0; }
.submenu li a { display: block; padding: .58rem .8rem; border-radius: 9px; font-size: .92rem; font-weight: 500; color: var(--tinta); opacity: .85; white-space: nowrap; }
.submenu li a:hover { background: var(--bosque-50); color: var(--bosque); opacity: 1; }
.nav-cta { display: inline-flex; }
.nav-toggle { display: none; background: none; border: 0; cursor: pointer; padding: .4rem; }

/* --- Botones ------------------------------------------------------------- */
.btn {
  display: inline-flex; align-items: center; gap: .5rem;
  font-family: var(--font-sans); font-weight: 600; font-size: .98rem;
  padding: .8rem 1.4rem; border-radius: 999px; text-decoration: none;
  border: 1.5px solid transparent; cursor: pointer; transition: transform .12s, box-shadow .15s, background .15s;
  line-height: 1;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--bosque); color: #fff; }
.btn-primary:hover { background: var(--bosque-800); box-shadow: var(--shadow-lg); }
.btn-terra { background: var(--terra); color: #fff; }
.btn-terra:hover { background: var(--terra-700); box-shadow: var(--shadow-lg); }
.btn-ghost { background: transparent; color: var(--bosque); border-color: var(--gris); }
.btn-ghost:hover { border-color: var(--bosque); background: var(--bosque-50); }
.btn .arw { font-family: var(--font-mono); }

.inline-link { color: var(--bosque); font-weight: 600; text-decoration: none; border-bottom: 2px solid rgba(47,93,74,.3); }
.inline-link:hover { border-color: var(--bosque); }

/* --- Hero ---------------------------------------------------------------- */
.hero { background: linear-gradient(180deg, var(--arena-70), #fff 78%); border-bottom: 1px solid var(--gris-10); }
.hero .wrap { padding-block: clamp(3.2rem, 8vw, 6rem); }
.hero h1 { max-width: 17ch; }
@media (min-width: 620px) { .hero h1 { max-width: none; } }
.hero .lede { margin-top: 1.1rem; }
.hero-cta { margin-top: 2rem; display: flex; flex-wrap: wrap; gap: .9rem 1.1rem; align-items: center; }
.hero-note { color: var(--suave); font-size: .92rem; margin: 0; }
.hero-figure { margin-top: clamp(2rem,5vw,3.2rem); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-lg); border: 1px solid var(--gris-10); }

/* --- Cards grid ---------------------------------------------------------- */
.grid { display: grid; gap: var(--gap); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.card {
  background: var(--blanco); border: 1px solid var(--gris-10); border-radius: var(--radius);
  padding: clamp(1.4rem, 2.5vw, 1.9rem); box-shadow: var(--shadow);
  display: flex; flex-direction: column;
}
.card.arena { background: var(--arena-70); }
.card .card-k { font-family: var(--font-mono); font-size: .72rem; letter-spacing: .1em; text-transform: uppercase; color: var(--terra); margin-bottom: .7rem; }
.card h3 { color: var(--bosque); margin-bottom: .5rem; }
.card p { color: var(--tinta); opacity: .88; font-size: 1rem; }
.card .card-cta { margin-top: auto; padding-top: 1rem; }
.card .card-sub { font-family: var(--font-mono); font-size: .7rem; text-transform: uppercase; letter-spacing: .08em; color: var(--suave); margin: .9rem 0 .3rem; }

/* --- Banda verde (integrador / pedagógico) ------------------------------- */
.band-green { background: var(--bosque); color: #fff; }
.band-green h2, .band-green h3 { color: #fff; }
.band-green .kicker { color: #E8C4B0; }
.band-green p { color: rgba(255,255,255,.9); }
.band-green .num { color: #E8C4B0; font-family: var(--font-mono); font-weight: 700; margin-right: .5rem; }
.pillars-3 { display: grid; gap: var(--gap); grid-template-columns: repeat(3,1fr); margin-top: 2rem; }
.pillars-3 .p-item h3 { font-size: 1.15rem; }

/* --- CTA bands ----------------------------------------------------------- */
.cta-light {
  background: var(--arena); border-radius: var(--radius);
  padding: clamp(1.4rem, 3vw, 2rem) clamp(1.5rem,3vw,2.4rem);
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1.2rem;
}
.cta-light p { margin: 0; font-weight: 500; max-width: 60ch; }
.cta-strong-box { background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.18); border-radius: var(--radius); padding: 1.6rem; margin-top: 2rem; display: flex; flex-wrap: wrap; gap: 1.2rem; align-items: center; justify-content: space-between; }
.cta-strong-box p { margin: 0; color: #fff; max-width: 60ch; }
.cta-band { background: var(--bosque); color: #fff; border-radius: var(--radius); padding: clamp(1.8rem,4vw,2.6rem); text-align: center; }
.cta-band p { color: rgba(255,255,255,.92); margin: 0 auto 1.4rem; max-width: 60ch; }
.cta-final { background: var(--arena); border-radius: var(--radius); padding: clamp(2.2rem,5vw,3.4rem); text-align: center; }
.cta-final h2 { margin-bottom: .8rem; }
.cta-final p { margin: 0 auto 1.6rem; max-width: 58ch; }
.cta-note { color: var(--suave); font-size: .9rem; margin-top: 1rem; }
.band-green .cta-note { color: rgba(255,255,255,.75); }

/* --- Credenciales (cifras) ---------------------------------------------- */
.stats { display: grid; grid-template-columns: repeat(4,1fr); gap: var(--gap); }
.stat .fig { font-size: clamp(2rem,4vw,2.7rem); font-weight: 800; color: var(--bosque); letter-spacing: -.03em; line-height: 1; }
.stat p { margin: .6rem 0 0; font-size: .98rem; color: var(--tinta); opacity: .85; }

/* --- Pasos numerados (solución) ----------------------------------------- */
.steps { display: grid; gap: 1.4rem; counter-reset: step; }
.step { display: grid; grid-template-columns: auto 1fr; gap: 1.1rem; align-items: start; padding: 1.3rem 1.4rem; background: var(--arena-70); border: 1px solid var(--gris-10); border-radius: var(--radius); }
.step .n { font-family: var(--font-mono); font-weight: 700; color: var(--terra); font-size: 1.05rem; }
.step h3 { margin: 0 0 .3rem; font-size: 1.12rem; }
.step p { margin: 0; font-size: 1rem; opacity: .88; }

/* --- FAQ acordeón -------------------------------------------------------- */
.faq { max-width: 820px; }
.faq details { border-bottom: 1px solid var(--gris-10); }
.faq summary { cursor: pointer; list-style: none; padding: 1.2rem 2.2rem 1.2rem 0; font-weight: 600; color: var(--bosque); position: relative; font-size: 1.08rem; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: .2rem; top: 1rem; font-family: var(--font-mono); font-size: 1.4rem; color: var(--terra); transition: transform .2s; }
.faq details[open] summary::after { content: "–"; }
.faq details p { padding: 0 0 1.3rem; margin: 0; opacity: .9; }

/* --- Tabla comparativa --------------------------------------------------- */
.table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; border-radius: var(--radius); border: 1px solid var(--gris-10); }
table.compare { width: 100%; border-collapse: collapse; min-width: 640px; }
table.compare th, table.compare td { padding: .9rem 1.1rem; text-align: left; border-bottom: 1px solid var(--gris-10); font-size: .96rem; vertical-align: top; }
table.compare thead th { background: var(--bosque); color: #fff; font-weight: 600; }
table.compare thead th.hi { background: var(--bosque-800); }
table.compare tbody td:first-child { background: var(--bosque-50); font-weight: 600; }
table.compare tbody td.hi { background: rgba(184,111,74,.07); font-weight: 600; }

/* --- Capturas dashboard -------------------------------------------------- */
.capture { display: grid; gap: clamp(1.5rem,4vw,2.6rem); grid-template-columns: 1fr 1fr; align-items: center; margin-block: 2.5rem; }
.capture.rev { direction: rtl; } .capture.rev > * { direction: ltr; }
.capture .shot { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-lg); border: 1px solid var(--gris-10); }
.capture .cap-k { font-family: var(--font-mono); font-size: .72rem; text-transform: uppercase; letter-spacing: .1em; color: var(--terra); margin-bottom: .6rem; }
.capture h3 { margin-bottom: .5rem; }
.capture .shot figcaption { font-size: .8rem; color: var(--suave); padding: .7rem .9rem; background: var(--arena-70); border-top: 1px solid var(--gris-10); }
.pullquote { margin: 1rem 0 0; padding-left: 1rem; border-left: 3px solid var(--terra); color: var(--tinta); font-weight: 500; font-size: 1.02rem; }
.cta-context { margin-top: 1.5rem; font-size: 1.08rem; }

/* --- Lightbox (ampliar capturas al pinchar) ------------------------------ */
.capture .shot, .hero-figure { cursor: zoom-in; position: relative; }
.capture .shot::after {
  content: "⤢"; position: absolute; top: .6rem; right: .6rem; z-index: 2;
  width: 30px; height: 30px; display: grid; place-items: center;
  background: rgba(26,58,42,.72); color: #fff; border-radius: 8px; font-size: .95rem;
  opacity: 0; transition: opacity .15s; pointer-events: none;
}
.capture .shot:hover::after { opacity: 1; }
.lightbox {
  position: fixed; inset: 0; z-index: 200; display: none;
  align-items: center; justify-content: center; padding: clamp(1rem, 4vw, 3rem);
  background: rgba(26,58,42,.9); backdrop-filter: blur(6px); cursor: zoom-out;
}
.lightbox.open { display: flex; }
.lightbox img { max-width: 96vw; max-height: 90vh; border-radius: 12px; box-shadow: 0 24px 70px rgba(0,0,0,.5); background: #fff; }
.lightbox .lb-close {
  position: absolute; top: 1rem; right: 1.3rem; background: none; border: 0; cursor: pointer;
  color: #fff; font-family: var(--font-mono); font-size: 1.8rem; line-height: 1; opacity: .85;
}
.lightbox .lb-close:hover { opacity: 1; }

/* --- Formulario de contacto ---------------------------------------------- */
.contact-form { display: grid; gap: 1.1rem; max-width: 620px; }
.contact-form .field { display: grid; gap: .4rem; }
.contact-form label { font-size: .9rem; font-weight: 600; color: var(--tinta); }
.contact-form input, .contact-form textarea {
  font-family: var(--font-sans); font-size: 1rem; color: var(--tinta);
  padding: .75rem .9rem; border: 1.5px solid var(--gris); border-radius: 10px; background: #fff; width: 100%;
  transition: border-color .15s, box-shadow .15s;
}
.contact-form textarea { min-height: 140px; resize: vertical; }
.contact-form input:focus, .contact-form textarea:focus {
  outline: none; border-color: var(--bosque); box-shadow: 0 0 0 3px rgba(47,93,74,.12);
}
.contact-form .hp { position: absolute; left: -9999px; }
.contact-form button { justify-self: start; margin-top: .3rem; border: 0; }
.form-status { margin: 1.1rem 0 0; padding: .9rem 1.1rem; border-radius: 10px; font-weight: 500; }
.form-status.ok { background: var(--bosque-50); color: var(--bosque); border: 1px solid rgba(47,93,74,.2); }
.form-status.err { background: rgba(184,111,74,.1); color: var(--terra-700); border: 1px solid rgba(184,111,74,.3); }
.contact-alt { margin-top: 1.8rem; color: var(--suave); font-size: .95rem; }

/* --- Breadcrumbs / return ------------------------------------------------ */
.crumbs { font-size: .85rem; color: var(--suave); padding-top: 1.2rem; }
.crumbs ol { list-style: none; display: flex; flex-wrap: wrap; gap: .4rem; margin: 0; padding: 0; }
.crumbs a { color: var(--suave); text-decoration: none; }
.crumbs a:hover { color: var(--bosque); }
.crumbs li + li::before { content: "/"; margin-right: .4rem; color: var(--gris); }
.return-band { background: var(--bosque-50); border-radius: var(--radius); padding: 1.3rem 1.6rem; margin-top: 1rem; }
.return-band a { font-weight: 600; text-decoration: none; }

/* --- Footer -------------------------------------------------------------- */
.site-footer { background: var(--bosque-800); color: rgba(255,255,255,.8); margin-top: 2rem; }
.site-footer .wrap { padding-block: 3rem; display: grid; gap: 2rem; grid-template-columns: 1.6fr 1fr 1fr 1fr; }
.site-footer h4 { color: #fff; font-size: .8rem; text-transform: uppercase; letter-spacing: .1em; font-family: var(--font-mono); margin: 0 0 1rem; }
.site-footer a { color: rgba(255,255,255,.8); text-decoration: none; display: block; padding: .25rem 0; font-size: .95rem; }
.site-footer a:hover { color: #fff; }
.site-footer a.off { opacity: .4; pointer-events: none; }
.foot-bottom { border-top: 1px solid rgba(255,255,255,.12); }
.foot-bottom .wrap { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 1rem; padding-block: 1.4rem; font-size: .85rem; color: rgba(255,255,255,.6); }

/* --- Responsive ---------------------------------------------------------- */
@media (max-width: 900px) {
  .grid-3, .pillars-3 { grid-template-columns: repeat(2,1fr); }
  .stats { grid-template-columns: repeat(2,1fr); }
  .site-footer .wrap { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 1024px) {
  .nav-links { display: none; }
  .nav-toggle { display: block; }
  .nav[data-open="true"] .nav-links {
    display: flex; position: absolute; inset: 68px 0 auto; flex-direction: column; align-items: flex-start;
    background: #fff; padding: 1rem 1.5rem 1.5rem; border-bottom: 1px solid var(--gris-10); gap: .3rem;
  }
  .nav[data-open="true"] .nav-links > li { width: 100%; }
  .nav[data-open="true"] .nav-links a { padding: .6rem 0; }
  .nav-links .caret { display: none; }
  .submenu { display: none; }  /* en móvil, solo los apartados de nivel superior */
}
@media (max-width: 680px) {
  .grid-3, .grid-2, .pillars-3, .stats, .capture { grid-template-columns: 1fr; }
  .capture { direction: ltr; }
  .cta-light { flex-direction: column; align-items: flex-start; }
  .site-footer .wrap { grid-template-columns: 1fr; }
}