/* ===== progreso de lectura ===== */
.read-progress { position: fixed; z-index: 2000; top: 0; left: 0; right: 0; height: 2px; background: transparent; pointer-events: none; }
.read-progress i {
  display: block; height: 100%; width: 100%;
  transform: scaleX(var(--ev-fase-progreso, 0)); transform-origin: left;
  background: linear-gradient(90deg, var(--ev-verdin) 0%, var(--ev-verdin) 62%, var(--ev-ambar) 100%);
  transition: transform var(--ev-dur-instant) linear;
}

/* ===== nav ===== */
.site-nav {
  position: fixed; z-index: 1000; top: 0; left: 0; right: 0;
  height: var(--ev-top);
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem;
  padding: 0 var(--ev-gutter);
  background: rgba(238, 241, 236, 0.82);
  backdrop-filter: blur(16px) saturate(1.2);
  -webkit-backdrop-filter: blur(16px) saturate(1.2);
  border-bottom: 1px solid transparent;
  transition: background var(--ev-dur-state) var(--ev-ease-out),
              border-color var(--ev-dur-state) var(--ev-ease-out),
              height var(--ev-dur-state) var(--ev-ease-out);
}
.site-nav.is-scrolled {
  background: rgba(238, 241, 236, 0.94);
  border-bottom-color: rgba(124, 129, 119, 0.24);
}
@supports not (backdrop-filter: blur(2px)) { .site-nav { background: var(--ev-liquen); } }

.nav-brand { display: flex; align-items: center; gap: 0.65rem; flex: 0 0 auto; min-height: 44px; }
.nav-brand img { width: 32px; height: 32px; transition: transform var(--ev-dur-state) var(--ev-ease-out); }
.nav-brand:hover img { transform: rotate(-8deg); }
.nav-brand .brand-copy { display: flex; flex-direction: column; line-height: 1; }
.nav-brand strong { font: 600 1rem var(--ev-font-display); letter-spacing: 0.09em; color: var(--ev-grafito); }
.nav-brand small {
  margin-top: 0.28rem; font: 600 0.52rem var(--ev-font-data);
  letter-spacing: 0.1em; text-transform: uppercase; color: var(--ev-campo);
  transition: opacity var(--ev-dur-state) var(--ev-ease-out);
}
.site-nav.is-scrolled .nav-brand small { opacity: 0; }

.nav-menu { display: flex; align-items: center; gap: 1.55rem; margin: 0 auto 0 2.2rem; }
.nav-menu a {
  position: relative; display: block;
  font: 700 0.68rem var(--ev-font-data);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ev-muted);
  padding: 0.5rem 0.1rem;
  transition: color var(--ev-dur-fast) var(--ev-ease-out);
}
.nav-menu a::after {
  content: ""; position: absolute; left: 0; bottom: 2px; height: 1.5px; width: 100%;
  background: var(--ev-verdin);
  transform: scaleX(0); transform-origin: left;
  transition: transform var(--ev-dur-state) var(--ev-ease-out);
}
.nav-menu a:hover, .nav-menu a:focus-visible, .nav-menu a.active { color: var(--ev-grafito); }
.nav-menu a:hover::after, .nav-menu a:focus-visible::after, .nav-menu a.active::after { transform: scaleX(1); }
.nav-menu a.active { color: var(--ev-grafito); }

.nav-actions { display: flex; align-items: center; gap: 0.7rem; flex: 0 0 auto; }
.nav-toggle {
  display: none;
  width: 44px; height: 44px;
  border-radius: 12px;
  align-items: center; justify-content: center;
  border: 1px solid var(--ev-line);
  background: rgba(255, 255, 255, 0.6);
  transition: border-color var(--ev-dur-fast) var(--ev-ease-out), background var(--ev-dur-fast) var(--ev-ease-out);
}
.nav-toggle:hover { border-color: var(--ev-verdin); }
.nav-toggle:active { background: var(--ev-verdin-soft); }
.nav-toggle-glyph { display: block; width: 18px; height: 12px; position: relative; }
.nav-toggle-glyph i {
  position: absolute; left: 0; right: 0; height: 1.5px; background: var(--ev-grafito); border-radius: 2px;
  transition: transform var(--ev-dur-state) var(--ev-ease-out), opacity var(--ev-dur-fast) var(--ev-ease-out);
}
.nav-toggle-glyph i:nth-child(1) { top: 0; }
.nav-toggle-glyph i:nth-child(2) { top: 5.25px; }
.nav-toggle-glyph i:nth-child(3) { top: 10.5px; }
.nav-toggle[aria-expanded="true"] .nav-toggle-glyph i:nth-child(1) { transform: translateY(5.25px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle-glyph i:nth-child(2) { opacity: 0; transform: scaleX(0.4); }
.nav-toggle[aria-expanded="true"] .nav-toggle-glyph i:nth-child(3) { transform: translateY(-5.25px) rotate(-45deg); }

/* ===== menú móvil ===== */
.mobile-menu {
  position: fixed; z-index: 999; inset: var(--ev-top) 0 0 0;
  background: var(--ev-liquen);
  overflow-y: auto;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--ev-dur-state) var(--ev-ease-out), visibility 0s linear var(--ev-dur-state);
  visibility: hidden;
}
body.is-menu-open { overflow: hidden; }
.mobile-menu.is-open { opacity: 1; pointer-events: auto; visibility: visible; transition-delay: 0s; }
.mobile-menu-inner { padding: 1.2rem var(--ev-gutter) 2.5rem; display: flex; flex-direction: column; }
.mobile-menu a {
  display: flex; align-items: baseline; gap: 0.9rem;
  padding: 0.95rem 0.2rem;
  min-height: 48px;
  border-bottom: 1px solid var(--ev-line-soft);
  font: 500 1.28rem var(--ev-font-display);
  color: var(--ev-grafito);
  opacity: 0; transform: translateY(10px);
  transition: opacity var(--ev-dur-state) var(--ev-ease-out), transform var(--ev-dur-state) var(--ev-ease-out), background var(--ev-dur-instant);
}
.mobile-menu a:active { background: var(--ev-verdin-soft); }
.mobile-menu.is-open a { opacity: 1; transform: none; transition-delay: calc(40ms + var(--ev-i, 0) * 32ms); }
.mm-num { font: 800 0.63rem var(--ev-font-data); color: var(--ev-verdin); letter-spacing: 0.06em; }
.mobile-menu .mm-cta { margin-top: 1.6rem; align-self: flex-start; border-bottom: 0; font-family: var(--ev-font-body); }

/* ===== botones ===== */
.button {
  position: relative;
  display: inline-flex; align-items: center; justify-content: center; gap: 0.7rem;
  min-height: 48px;
  min-width: 44px;
  border-radius: 999px;
  padding: 0.8rem 1.35rem;
  font: 800 0.75rem var(--ev-font-body);
  letter-spacing: 0.01em;
  will-change: transform;
  transition: transform var(--ev-dur-fast) var(--ev-ease-out),
              box-shadow var(--ev-dur-fast) var(--ev-ease-out),
              background-color var(--ev-dur-fast) var(--ev-ease-out),
              border-color var(--ev-dur-fast) var(--ev-ease-out),
              color var(--ev-dur-fast) var(--ev-ease-out);
}
@media (hover: hover) {
  .button:hover { transform: translateY(calc(-1 * var(--ev-lift-btn))); }
}
.button:active { transform: translateY(0) scale(0.985); transition-duration: var(--ev-dur-instant); }
.button[aria-disabled="true"], .button:disabled {
  opacity: 0.42; pointer-events: none; box-shadow: none; transform: none;
}
.button.primary { background: var(--ev-verdin-superficie); color: #fff; box-shadow: 0 12px 28px rgba(74, 122, 105, 0.3); }
.button.primary:hover { background: var(--ev-verdin-superficie-hover); box-shadow: 0 16px 34px rgba(74, 122, 105, 0.36); }
.button.secondary { border: 1px solid var(--ev-line); color: var(--ev-ink); background: #fff; }
.button.secondary:hover { border-color: var(--ev-verdin); color: #2f5f4f; }
.button.on-dark.secondary { border-color: rgba(238, 241, 236, 0.3); color: #fff; background: rgba(238, 241, 236, 0.05); }
.button.on-dark.secondary:hover { border-color: rgba(238, 241, 236, 0.62); background: rgba(238, 241, 236, 0.1); }
.button.dark { background: var(--ev-grafito); color: var(--ev-liquen); }
.button.dark:hover { background: #262f29; }
.button .arrow { transition: transform var(--ev-dur-fast) var(--ev-ease-out); }
.button:hover .arrow { transform: translate(2px, -2px); }
.button:hover .arrow-down { transform: translate(0, 3px); }

/* ===== tags / chips ===== */
.tag-row { display: flex; flex-wrap: wrap; gap: 0.45rem; }
.tag-row span {
  border: 1px solid var(--ev-line);
  border-radius: 999px;
  padding: 0.4rem 0.7rem;
  font: 700 0.63rem var(--ev-font-data);
  letter-spacing: 0.03em;
  color: var(--ev-muted);
}

/* ===== badges ===== */
.badge {
  display: inline-flex; align-items: center; gap: 0.4rem;
  padding: 0.34rem 0.58rem;
  border-radius: 6px;
  font: 800 0.62rem var(--ev-font-data);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.badge.concept { background: var(--ev-ambar-soft); color: #e0a468; }
.badge.client {
  color: #dff5ec;
  background: rgba(94, 150, 131, 0.2);
  border: 1px solid rgba(132, 196, 174, 0.4);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.1), 0 8px 22px rgba(6, 12, 9, 0.2);
}
.badge.product {
  color: #f6d8b7;
  background: rgba(201, 127, 59, 0.16);
  border: 1px solid rgba(224, 164, 104, 0.36);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.09), 0 8px 22px rgba(6, 12, 9, 0.2);
}

/* ===== estado del sistema (el hilo conductor) =====
   Riel vertical en el margen: informa en qué fase del relato va el lector sin
   competir con el contenido ni cruzarse por encima de él. Decorativo (aria-hidden). */
.system-status {
  position: fixed; z-index: 900;
  left: 0; top: 50%;
  transform: translateY(-50%);
  display: none; flex-direction: column; align-items: flex-start; gap: 0.85rem;
  padding: 0 0 0 max(0.9rem, calc(var(--ev-gutter) - 1.6rem));
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--ev-dur-state) var(--ev-ease-out);
  /* el riel cruza fondos claros y oscuros: main.js le dice sobre cuál está */
  color: var(--ev-campo);
  transition: opacity var(--ev-dur-state) var(--ev-ease-out), color var(--ev-dur-state) var(--ev-ease-out);
}
.system-status.on-dark { color: rgba(238, 241, 236, 0.62); }
.system-status.is-visible { opacity: 1; }
.status-fase {
  writing-mode: vertical-rl;
  font: 800 0.62rem var(--ev-font-data);
  letter-spacing: 0.2em; text-transform: uppercase;
  color: currentColor;
  opacity: 0.72;
}
.status-dots { display: flex; flex-direction: column; align-items: flex-start; gap: 6px; }
.status-dots li {
  width: 2px; height: 10px; border-radius: 2px;
  background: currentColor; opacity: 0.24;
  transition: opacity var(--ev-dur-state) var(--ev-ease-out),
              height var(--ev-dur-state) var(--ev-ease-out),
              background var(--ev-dur-state) var(--ev-ease-out);
}
.status-dots li.is-on { opacity: 0.75; background: var(--ev-verdin); }
.status-dots li.is-now { opacity: 1; height: 20px; background: var(--ev-verdin); }
@media (min-width: 1240px) { .system-status { display: flex; } }

/* ===== footer ===== */
.site-footer {
  background: var(--ev-dark-0);
  color: var(--ev-on-dark);
  padding: clamp(2.6rem, 5vw, 4rem) var(--ev-gutter) 2.2rem;
}
.footer-top {
  max-width: var(--ev-max); margin: 0 auto;
  display: grid; grid-template-columns: auto 1fr auto; gap: 2.5rem;
  align-items: start;
  padding-bottom: 2.2rem;
  border-bottom: 1px solid var(--ev-hair-dark);
}
.footer-mark { display: flex; align-items: center; gap: 0.9rem; }
.footer-mark img { width: 44px; height: 44px; border-radius: 10px; }
.footer-mark strong { display: block; font: 600 1.1rem var(--ev-font-display); color: #fff; letter-spacing: 0.06em; }
.footer-mark span { display: block; margin-top: 0.3rem; font: 600 0.64rem var(--ev-font-data); color: var(--ev-verdin-claro); letter-spacing: 0.04em; }
.footer-nav { display: flex; flex-wrap: wrap; gap: 0 1.6rem; }
.footer-nav a {
  position: relative;
  display: inline-flex; align-items: center; min-height: 44px; min-width: 44px;
  font: 700 0.66rem var(--ev-font-data); letter-spacing: 0.04em; text-transform: uppercase;
  color: var(--ev-on-dark-soft);
  transition: color var(--ev-dur-fast) var(--ev-ease-out);
}
.footer-nav a:hover, .footer-nav a:focus-visible { color: #fff; }
.footer-contact .button { white-space: nowrap; }
.footer-bottom {
  max-width: var(--ev-max); margin: 1.4rem auto 0;
  display: flex; flex-wrap: wrap; gap: 0.4rem 1.5rem; justify-content: space-between; align-items: center;
  font-size: 0.68rem; color: rgba(238, 241, 236, 0.58);
}
.footer-bottom span { display: inline-flex; align-items: center; min-height: 44px; }
.footer-bottom a {
  display: inline-flex; align-items: center; min-height: 44px; padding: 0 0.2rem;
  color: rgba(238, 241, 236, 0.7); transition: color var(--ev-dur-fast) var(--ev-ease-out);
}
.footer-bottom a:hover { color: #fff; }

/* Los rótulos orientados al dueño son más explícitos que los anteriores; el menú
   compacto entra un poco antes para conservar aire y evitar una barra comprimida. */
@media (max-width: 1180px) {
  .nav-menu { display: none; }
  .nav-toggle { display: inline-flex; }
}
/* en pantallas muy angostas el CTA del header cede su lugar: vive en el menú */
@media (max-width: 599px) {
  .nav-actions .button.dark { display: none; }
  .nav-brand small { display: none; }
}
@media (max-width: 720px) {
  .footer-top { grid-template-columns: 1fr; gap: 1.5rem; }
  .footer-contact { justify-self: start; }
}