/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: var(--sp-2);
  padding: var(--sp-3) var(--sp-5);
  font-family: var(--font-display);
  text-transform: uppercase; letter-spacing: 0.04em;
  border-radius: var(--radius-sm);
  transition: transform var(--dur-fast) var(--ease-out),
              background var(--dur-fast) var(--ease-out),
              color var(--dur-fast) var(--ease-out);
}
.btn-primary { background: var(--accent); color: var(--ink-1); }
.btn-primary:hover { transform: translateY(-2px); }
.btn-ghost { border: 1px solid var(--smoke); color: var(--bone); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }

/* Cards */
.card {
  background: var(--ink-2);
  border: 1px solid var(--ink-3);
  border-radius: var(--radius-md);
  padding: var(--sp-6);
}

/* Header / Nav */
.site-header {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  padding: var(--sp-3) var(--container-pad);
  background: rgba(10, 10, 11, 0.85);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--ink-3);
}
.site-header__brand {
  display: inline-flex;
  align-items: center;
  line-height: 0;
}
.site-header__brand img {
  height: 44px;
  width: auto;
  display: block;
  transition: transform var(--dur-base) var(--ease-out);
}
.site-header__brand:hover img { transform: scale(1.04); }
.site-nav {
  display: flex;
  align-items: center;
  gap: var(--sp-5);
}
.site-nav__link {
  position: relative; padding-block: var(--sp-2);
  font-family: var(--font-display); text-transform: uppercase; letter-spacing: 0.04em;
}
.site-nav__link::after {
  content: ""; position: absolute; left: 0; bottom: 0; height: 2px; width: 0;
  background: var(--accent);
  transition: width var(--dur-base) var(--ease-out);
}
.site-nav__link:hover::after,
.site-nav__link[aria-current="page"]::after { width: 100%; }

/* Nav group with submenu */
.nav-group {
  position: relative;
  display: flex;
  align-items: center;
  gap: 2px;
}
.submenu-toggle {
  display: inline-flex; align-items: center; justify-content: center;
  width: 22px; height: 22px;
  padding: 0;
  color: var(--smoke);
  border-radius: var(--radius-sm);
  transition: color var(--dur-fast) var(--ease-out), transform var(--dur-base) var(--ease-out);
}
.submenu-toggle svg { width: 10px; height: 7px; }
.submenu-toggle:hover { color: var(--accent); }
.submenu-toggle[aria-expanded="true"] { transform: rotate(180deg); color: var(--accent); }

.submenu {
  position: absolute;
  top: calc(100% + var(--sp-3));
  left: -12px;
  min-width: 220px;
  padding: var(--sp-3);
  background: var(--ink-2);
  border: 1px solid var(--ink-3);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-2);
  display: grid; gap: 2px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: opacity var(--dur-fast) var(--ease-out),
              transform var(--dur-fast) var(--ease-out),
              visibility 0s linear var(--dur-fast);
  z-index: 60;
}
.nav-group:hover > .submenu,
.nav-group:focus-within > .submenu,
.submenu-toggle[aria-expanded="true"] ~ .submenu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  transition-delay: 0s;
}
.submenu__link {
  display: block;
  padding: var(--sp-3) var(--sp-4);
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-size: var(--fs-small);
  color: var(--smoke);
  border-radius: var(--radius-sm);
  transition: background var(--dur-fast) var(--ease-out), color var(--dur-fast) var(--ease-out);
}
.submenu__link:hover,
.submenu__link[aria-current="page"] {
  color: var(--bone);
  background: var(--ink-3);
}

/* Mobile menu toggle (hamburger) */
.nav-toggle {
  display: none;
  flex-direction: column; justify-content: center; gap: 5px;
  width: 44px; height: 44px;
  padding: 0;
  border: 1px solid var(--ink-3);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.02);
  transition: background var(--dur-fast) var(--ease-out),
              border-color var(--dur-fast) var(--ease-out);
  position: relative;
  z-index: 70;
}
.nav-toggle:hover { background: var(--ink-3); border-color: var(--accent); }
.nav-toggle[aria-expanded="true"] {
  border-color: var(--accent);
  background: var(--ink-3);
}
.nav-toggle__bar {
  display: block;
  width: 22px; height: 2px;
  background: var(--bone);
  margin-inline: auto;
  transition: transform var(--dur-base) var(--ease-out),
              opacity var(--dur-fast) var(--ease-out);
}
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(2) {
  opacity: 0;
}
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Lang switcher */
.lang-switcher { display: flex; gap: var(--sp-2); align-items: center; font-size: var(--fs-small); }
.lang-switcher a { color: var(--smoke); }
.lang-switcher a[aria-current="true"] { color: var(--bone); font-weight: 700; }
.lang-switcher span { color: var(--ink-3); }

/* Footer */
.site-footer {
  border-top: 1px solid var(--ink-3);
  padding: var(--sp-7) var(--container-pad);
  color: var(--smoke);
}
.site-footer__grid {
  display: grid; gap: var(--sp-6);
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}
.site-footer h4 { color: var(--bone); font-size: var(--fs-h3); margin-bottom: var(--sp-3); }
.site-footer__bottom {
  margin-top: var(--sp-6);
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: var(--sp-3);
  font-size: var(--fs-small);
}

/* Cookie banner */
.cookie-banner {
  position: fixed; left: var(--sp-4); right: var(--sp-4); bottom: var(--sp-4);
  background: var(--ink-2); border: 1px solid var(--ink-3);
  border-radius: var(--radius-md); padding: var(--sp-5);
  display: grid; gap: var(--sp-4);
  grid-template-columns: 1fr auto;
  align-items: center; z-index: 100;
  box-shadow: var(--shadow-2);
  transform: translateY(120%);
  transition: transform var(--dur-base) var(--ease-out);
}
.cookie-banner.is-visible { transform: translateY(0); }
.cookie-banner__actions { display: flex; gap: var(--sp-2); flex-wrap: wrap; }

/* Mobile menu backdrop (hidden by default, shown via .is-visible) */
.nav-backdrop {
  position: fixed; inset: 0;
  background: rgba(0, 0, 0, 0.55);
  backdrop-filter: blur(2px);
  z-index: 44;
  opacity: 0;
  transition: opacity var(--dur-base) var(--ease-out);
}
.nav-backdrop.is-visible { opacity: 1; }

@media (max-width: 980px) {
  .nav-toggle { display: inline-flex; }

  /* Mobile menu: slides down from below the header, full width */
  .site-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    width: 100%;
    max-height: 100dvh;
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    gap: 0;
    padding: calc(var(--sp-3) + 60px) var(--container-pad) var(--sp-7);
    background: var(--ink-2);
    border-bottom: 1px solid var(--ink-3);
    box-shadow: var(--shadow-2);
    transform: translateY(-100%);
    transition: transform var(--dur-base) var(--ease-out);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    z-index: 60;
  }
  .site-nav.is-open { transform: translateY(0); }

  .site-nav__link {
    display: block;
    padding: var(--sp-4) 0;
    font-size: var(--fs-h2);
    line-height: 1;
    border-bottom: 1px solid var(--ink-3);
    color: var(--bone);
  }
  .site-nav__link::after { display: none; }
  .site-nav__link[aria-current="page"] { color: var(--accent); }

  /* Mobile nav-group: inline-expands its submenu */
  .nav-group {
    position: relative;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    border-bottom: 1px solid var(--ink-3);
  }
  .nav-group .site-nav__link {
    border-bottom: 0;
    padding-right: 56px;
  }
  .submenu-toggle {
    position: absolute;
    top: 0;
    right: 0;
    transform: none;
    width: 56px;
    height: 100%;
    min-height: 56px;
    color: var(--smoke);
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }
  .submenu-toggle[aria-expanded="true"] {
    transform: rotate(180deg);
    color: var(--accent);
  }
  .submenu-toggle svg { width: 16px; height: 10px; }

  .submenu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    background: transparent;
    border: 0;
    box-shadow: none;
    padding: 0;
    margin: 0;
    max-height: 0;
    overflow: hidden;
    display: grid;
    transition: max-height var(--dur-base) var(--ease-out);
  }
  /* Disable desktop hover-open on mobile (touch) — only the chevron click expands */
  .nav-group:hover > .submenu,
  .nav-group:focus-within > .submenu {
    max-height: 0;
  }
  .nav-group:has(.submenu-toggle[aria-expanded="true"]) > .submenu {
    max-height: 400px;
    padding: 0 0 var(--sp-3);
  }

  .submenu__link {
    font-size: var(--fs-body);
    padding: var(--sp-3) var(--sp-4);
    border-radius: var(--radius-sm);
    color: var(--smoke);
  }

  .cookie-banner { grid-template-columns: 1fr; }
}

/* Lock body scroll when mobile nav open */
body.nav-open { overflow: hidden; }

/* Reveal-on-scroll
   Safety-net: a CSS animation kicks in after 1.5s as a fallback if JS fails
   to add is-revealed (broken IntersectionObserver in some WebViews, slow main.js
   load, etc.). When JS works, it adds is-revealed which cancels the animation
   and uses the smoother transition path instead. */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity var(--dur-slow) var(--ease-out),
              transform var(--dur-slow) var(--ease-out);
  animation: reveal-safety 0.6s var(--ease-out) 1500ms forwards;
  will-change: transform, opacity;
}
.reveal.is-revealed {
  opacity: 1;
  transform: translateY(0);
  animation: none;
}
.reveal-stagger > * {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity var(--dur-base) var(--ease-out),
              transform var(--dur-base) var(--ease-out);
  animation: reveal-safety 0.6s var(--ease-out) 1800ms forwards;
}
@keyframes reveal-safety {
  to { opacity: 1; transform: translateY(0); }
}
.reveal-stagger.is-revealed > *:nth-child(1) { transition-delay: 0ms; }
.reveal-stagger.is-revealed > *:nth-child(2) { transition-delay: 80ms; }
.reveal-stagger.is-revealed > *:nth-child(3) { transition-delay: 160ms; }
.reveal-stagger.is-revealed > *:nth-child(4) { transition-delay: 240ms; }
.reveal-stagger.is-revealed > *:nth-child(5) { transition-delay: 320ms; }
.reveal-stagger.is-revealed > *:nth-child(6) { transition-delay: 400ms; }
.reveal-stagger.is-revealed > *:nth-child(7) { transition-delay: 480ms; }
.reveal-stagger.is-revealed > *:nth-child(n+8) { transition-delay: 560ms; }
.reveal-stagger.is-revealed > * { opacity: 1; transform: translateY(0); }

@media (prefers-reduced-motion: reduce) {
  .reveal, .reveal-stagger > * {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
}

/* Hero — shared treatment for hub and mini-site landings */
.hero {
  position: relative;
  min-height: 88vh;
  display: grid;
  align-items: end;
  overflow: hidden;
  isolation: isolate;
  color: var(--bone);
}
.hero__bg {
  position: absolute; inset: 0;
  background-size: cover; background-position: center;
  z-index: -2;
  transform: translateZ(0);
  will-change: transform;
}
.hero__video {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  z-index: -2;
  pointer-events: none;
}
@media (prefers-reduced-motion: reduce) {
  .hero__video { display: none; }
}
.hero__vignette {
  position: absolute; inset: 0; z-index: -1;
  background:
    radial-gradient(70% 50% at 50% 85%, rgba(10,10,11,0.55) 0%, transparent 70%),
    radial-gradient(120% 80% at 50% 50%, transparent 30%, rgba(10,10,11,0.82) 100%),
    linear-gradient(180deg, rgba(10,10,11,0.55) 0%, rgba(10,10,11,0.10) 30%, rgba(10,10,11,0.92) 100%);
  pointer-events: none;
}
.hero__grain {
  position: absolute; inset: 0; z-index: -1;
  opacity: 0.18; pointer-events: none; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.5'/%3E%3C/svg%3E");
}
.hero__inner {
  position: relative;
  padding: var(--sp-9) var(--container-pad);
  max-width: var(--container-max);
  margin-inline: auto;
  width: 100%;
  display: grid; gap: var(--sp-5);
  z-index: 1;
}
.hero__eyebrow {
  font-family: var(--font-display);
  font-size: var(--fs-small);
  letter-spacing: 0.3em;
  color: var(--accent);
  text-transform: uppercase;
}
.hero__title {
  font-family: var(--font-display);
  font-size: var(--fs-hero);
  line-height: 0.95;
  text-transform: uppercase;
  text-wrap: balance;
  max-width: 18ch;
  text-shadow: 0 2px 18px rgba(0,0,0,0.55), 0 1px 4px rgba(0,0,0,0.6);
}
.hero__sub { text-shadow: 0 1px 12px rgba(0,0,0,0.6); }
.hero__sub {
  font-size: clamp(1.05rem, 1.4vw, 1.35rem);
  max-width: 56ch;
  color: var(--smoke);
  line-height: 1.6;
}
.hero__actions { display: flex; flex-wrap: wrap; gap: var(--sp-4); margin-top: var(--sp-3); }

.hero__scroll-hint {
  position: absolute; bottom: var(--sp-5); left: 50%; transform: translateX(-50%);
  font-family: var(--font-display); font-size: var(--fs-small);
  letter-spacing: 0.3em; color: var(--smoke);
  display: flex; flex-direction: column; align-items: center; gap: var(--sp-2);
}
.hero__scroll-hint::after {
  content: ""; width: 1px; height: 32px;
  background: linear-gradient(180deg, var(--accent), transparent);
  animation: hero-pulse 1.6s var(--ease-in-out) infinite;
}
@keyframes hero-pulse {
  0% { transform: scaleY(0.2); transform-origin: top; opacity: 0.4; }
  50% { transform: scaleY(1); opacity: 1; }
  100% { transform: scaleY(0.2); transform-origin: bottom; opacity: 0.4; }
}

@media (max-width: 720px) {
  .hero { min-height: 78vh; }
  .hero__title { font-size: clamp(2.5rem, 11vw, 4.5rem); max-width: none; }
}
@media (prefers-reduced-motion: reduce) {
  .hero__scroll-hint::after { animation: none; }
}

/* RCK methodology — shared between agencia and academia pages */
.rck-methodology {
  background: linear-gradient(180deg, var(--ink-2), var(--ink-1));
  padding: var(--sp-10) 0;
}
.rck-grid {
  display: grid; gap: var(--sp-4);
  grid-template-columns: repeat(4, 1fr);
}
.rck-pillar {
  position: relative;
  padding: var(--sp-7) var(--sp-5);
  background: var(--ink-3);
  border-radius: var(--radius-md);
  text-align: center;
  overflow: hidden;
  transform: translateY(60px) rotateX(20deg);
  opacity: 0;
  transition: transform 700ms var(--ease-out), opacity 700ms var(--ease-out);
}
.rck-methodology.is-revealed .rck-pillar { transform: none; opacity: 1; }
.rck-methodology.is-revealed .rck-pillar:nth-child(1) { transition-delay: 0ms; }
.rck-methodology.is-revealed .rck-pillar:nth-child(2) { transition-delay: 120ms; }
.rck-methodology.is-revealed .rck-pillar:nth-child(3) { transition-delay: 240ms; }
.rck-methodology.is-revealed .rck-pillar:nth-child(4) { transition-delay: 360ms; }
.rck-pillar__num {
  font-family: var(--font-display);
  color: var(--accent); font-size: var(--fs-h1);
  opacity: 0.45;
}
.rck-pillar__title {
  font-family: var(--font-display);
  font-size: var(--fs-h2); margin-top: var(--sp-3);
  text-transform: uppercase;
}
.rck-pillar::after {
  content: ""; position: absolute; bottom: 0; left: 0; height: 3px; width: 0;
  background: var(--accent);
  transition: width 600ms var(--ease-out);
}
.rck-methodology.is-revealed .rck-pillar::after { width: 100%; transition-delay: 600ms; }

@media (max-width: 720px) {
  .rck-grid { grid-template-columns: 1fr 1fr; }
}

/* Press strip — "En los medios" wall on the home page */
.press-strip { padding-block: var(--sp-9); border-top: 1px solid var(--ink-3); }
.press-strip__head { text-align: center; margin-bottom: var(--sp-7); }
.press-strip__title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  margin-top: var(--sp-3);
  text-wrap: balance;
}
.press-strip__list {
  list-style: none; padding: 0; margin: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--sp-4);
}
.press-card a {
  display: grid;
  gap: var(--sp-3);
  height: 100%;
  padding: var(--sp-5);
  background: var(--ink-2);
  border: 1px solid var(--ink-3);
  border-radius: var(--radius-md);
  text-decoration: none;
  color: var(--bone);
  transition: transform var(--dur-base) var(--ease-out), border-color var(--dur-base) var(--ease-out);
}
.press-card a:hover {
  transform: translateY(-3px);
  border-color: var(--accent);
}
.press-card__outlet {
  font-family: var(--font-display);
  font-size: var(--fs-small);
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--accent);
}
.press-card__logo {
  display: flex;
  align-items: center;
  height: 36px;
}
.press-card__logo img {
  max-height: 32px;
  max-width: 140px;
  width: auto;
  height: auto;
  object-fit: contain;
  filter: grayscale(0.5) opacity(0.85);
  transition: filter var(--dur-base) var(--ease-out);
}
.press-card a:hover .press-card__logo img {
  filter: none;
}
.press-card__title {
  font-size: 1.05rem;
  line-height: 1.35;
  color: var(--bone);
}
.press-card__meta {
  display: flex; justify-content: space-between; align-items: center;
  font-size: var(--fs-small);
  color: var(--smoke);
  margin-top: auto;
}
.press-card__arrow {
  font-size: 1.1rem;
  color: var(--accent);
  transition: transform var(--dur-base) var(--ease-out);
}
.press-card a:hover .press-card__arrow { transform: translate(2px, -2px); }

/* Brand anchor — sub-brand logo placed mid-page as a visual identifier
   (Kaizen Consulting on /agencia, KaiLabs on /academia, etc.) */
.brand-anchor {
  display: flex;
  justify-content: center;
  align-items: center;
  padding-block: var(--sp-8);
}
.brand-anchor__logo {
  display: block;
  width: clamp(160px, 18vw, 260px);
  max-width: 260px;
  height: auto;
  margin-inline: auto;
  filter: drop-shadow(0 4px 18px rgba(255, 90, 31, 0.18));
  opacity: 0.95;
}

/* Instagram strip — curated grid of posts shown above the footer */
.ig-strip { padding-block: var(--sp-9); border-top: 1px solid var(--ink-3); }
.ig-strip__head { text-align: center; margin-bottom: var(--sp-7); }
.ig-strip__title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  margin-top: var(--sp-3);
  text-wrap: balance;
}
.ig-strip__sub {
  margin-top: var(--sp-3);
  color: var(--smoke);
  max-width: 50ch;
  margin-inline: auto;
}
.ig-grid {
  list-style: none; padding: 0; margin: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--sp-3);
  margin-bottom: var(--sp-7);
}
.ig-card { position: relative; }
.ig-card a {
  display: block;
  position: relative;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  border-radius: var(--radius-sm);
  border: 1px solid var(--ink-3);
  text-decoration: none;
  color: inherit;
  transition: transform var(--dur-base) var(--ease-out), border-color var(--dur-base) var(--ease-out);
}
.ig-card a:hover {
  transform: translateY(-3px);
  border-color: var(--accent);
}
.ig-card__thumb {
  position: absolute; inset: 0;
  background-size: cover; background-position: center;
  transition: transform var(--dur-base) var(--ease-out), filter var(--dur-base) var(--ease-out);
}
.ig-card a:hover .ig-card__thumb {
  transform: scale(1.05);
  filter: brightness(0.55);
}
.ig-card__thumb--empty {
  display: grid; place-items: center;
  background: linear-gradient(135deg, var(--ink-2), var(--ink-3));
  color: var(--smoke);
  font-family: var(--font-display);
  font-size: 2.5rem;
}
.ig-card__badge {
  position: absolute;
  top: 8px; right: 10px;
  z-index: 2;
  font-size: 12px;
  color: var(--bone);
  background: rgba(0, 0, 0, 0.55);
  padding: 3px 7px;
  border-radius: 3px;
  backdrop-filter: blur(6px);
}
.ig-card__caption {
  position: absolute;
  inset: auto 0 0 0;
  z-index: 2;
  padding: var(--sp-3);
  font-size: 13px;
  line-height: 1.4;
  color: var(--bone);
  background: linear-gradient(180deg, transparent, rgba(0,0,0,0.85));
  opacity: 0;
  transform: translateY(8px);
  transition: opacity var(--dur-base) var(--ease-out), transform var(--dur-base) var(--ease-out);
  text-align: left;
}
.ig-card a:hover .ig-card__caption {
  opacity: 1;
  transform: translateY(0);
}

.ig-strip__cta { text-align: center; }
.btn-instagram {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  padding: 14px 32px;
  font-family: var(--font-display);
  font-size: 1.05rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: #fff;
  text-decoration: none;
  background: linear-gradient(115deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%);
  border-radius: 999px;
  box-shadow: 0 10px 30px rgba(220, 39, 67, 0.35), 0 0 0 0 rgba(255, 255, 255, 0);
  transition: transform var(--dur-base) var(--ease-out), box-shadow var(--dur-base) var(--ease-out);
}
.btn-instagram:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 38px rgba(220, 39, 67, 0.5), 0 0 0 4px rgba(255, 255, 255, 0.08);
}

/* CTA strip — shared by agencia, academia, instalaciones */
.cta-strip {
  text-align: center;
  padding: var(--sp-10) var(--container-pad);
  background:
    radial-gradient(80% 60% at 50% 50%, var(--accent-soft) 0%, transparent 70%),
    var(--ink-2);
  border-top: 1px solid var(--ink-3);
}
.cta-strip h2 { font-size: clamp(2.5rem, 5vw, 4.5rem); margin-bottom: var(--sp-4); }
.cta-strip p { max-width: 50ch; margin: 0 auto var(--sp-6); color: var(--smoke); }

/* ---- Shared form styles (used in /contacto and /dossier) ---- */
.contact-form,
.dossier-form { display: grid; gap: var(--sp-4); }
.contact-form { gap: var(--sp-6); }
.contact-form__intro { color: var(--smoke); max-width: 60ch; }

.field { display: grid; gap: var(--sp-2); }
.field--full { grid-column: 1 / -1; }
.field > span {
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: var(--fs-small);
  color: var(--smoke);
}
.field > span em {
  font-style: normal;
  text-transform: none;
  letter-spacing: normal;
  color: var(--smoke);
  opacity: 0.6;
  font-size: 0.85em;
  font-weight: 400;
}
.field input,
.field select,
.field textarea {
  background: var(--ink-2);
  border: 1px solid var(--ink-3);
  border-radius: var(--radius-sm);
  padding: var(--sp-3) var(--sp-4);
  color: var(--bone);
  font: inherit;
  transition: border-color var(--dur-fast) var(--ease-out), background var(--dur-fast) var(--ease-out);
}
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--accent);
  background: var(--ink-3);
}
.field input[type="file"] { padding: var(--sp-3); cursor: pointer; }
.field--checkbox {
  display: flex; align-items: flex-start; gap: var(--sp-3);
}
.field--checkbox input[type="checkbox"] {
  appearance: none;
  width: 20px; height: 20px;
  background: var(--ink-2);
  border: 1px solid var(--smoke);
  border-radius: 3px;
  flex-shrink: 0;
  cursor: pointer;
  position: relative;
  margin-top: 2px;
  transition: background var(--dur-fast) var(--ease-out), border-color var(--dur-fast) var(--ease-out);
}
.field--checkbox input[type="checkbox"]:checked {
  background: var(--accent);
  border-color: var(--accent);
}
.field--checkbox input[type="checkbox"]:checked::after {
  content: "✓";
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  color: var(--ink-1);
  font-weight: 700;
  font-size: 14px;
}
.field--checkbox > span {
  text-transform: none;
  letter-spacing: normal;
  font-family: var(--font-body);
  font-size: var(--fs-small);
  color: var(--smoke);
  line-height: 1.55;
}
.field--checkbox a { color: var(--accent); text-decoration: underline; }

.field.has-error input,
.field.has-error textarea,
.field.has-error select {
  border-color: #E04F4F;
  background: rgba(224, 79, 79, 0.05);
}
.field__error {
  font-size: var(--fs-small);
  color: #E04F4F;
  margin-top: 4px;
}

.contact-form__submit {
  justify-self: start;
  min-width: 220px;
  position: relative;
}
.contact-form__submit[disabled] { opacity: 0.6; cursor: not-allowed; }
.contact-form__submit.is-loading::after {
  content: "";
  position: absolute;
  width: 14px; height: 14px;
  border: 2px solid var(--ink-1);
  border-right-color: transparent;
  border-radius: 50%;
  right: var(--sp-4); top: 50%;
  transform: translateY(-50%);
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: translateY(-50%) rotate(360deg); } }

.contact-form__error {
  background: rgba(224, 79, 79, 0.1);
  border: 1px solid rgba(224, 79, 79, 0.3);
  border-radius: var(--radius-sm);
  padding: var(--sp-4);
  color: #E04F4F;
}

/* Success states (used after form submit on /contacto and /dossier) */
.contact-success,
.dossier-success {
  text-align: center;
  padding: var(--sp-9) var(--sp-5);
  background: var(--ink-2);
  border: 1px solid var(--ink-3);
  border-radius: var(--radius-md);
  display: grid;
  gap: var(--sp-4);
  justify-items: center;
}
.contact-success__check {
  width: 80px; height: 80px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--accent);
  color: var(--ink-1);
  font-size: 44px;
  font-weight: 700;
  animation: pop 0.5s var(--ease-out);
}
@keyframes pop {
  from { transform: scale(0); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}
.contact-success h2,
.dossier-success h2 { font-size: var(--fs-h1); line-height: 1; }
.contact-success p,
.dossier-success p { color: var(--smoke); }

/* Cookie preferences modal */
.cookie-prefs {
  position: fixed; inset: 0; z-index: 110;
  display: grid; place-items: center;
  background: rgba(0, 0, 0, 0.7);
  padding: var(--sp-4);
  backdrop-filter: blur(4px);
  animation: fade-in 0.2s var(--ease-out);
}
@keyframes fade-in { from { opacity: 0; } to { opacity: 1; } }
.cookie-prefs__panel {
  position: relative;
  background: var(--ink-2);
  border: 1px solid var(--ink-3);
  border-radius: var(--radius-md);
  padding: var(--sp-7);
  max-width: 600px; width: 100%;
  max-height: 90vh; overflow-y: auto;
}
.cookie-prefs__close {
  position: absolute; top: var(--sp-3); right: var(--sp-3);
  width: 36px; height: 36px;
  font-size: 24px; line-height: 1;
  color: var(--smoke);
  border-radius: var(--radius-sm);
  transition: color var(--dur-fast) var(--ease-out), background var(--dur-fast) var(--ease-out);
}
.cookie-prefs__close:hover { color: var(--bone); background: var(--ink-3); }
.cookie-prefs__title { font-size: var(--fs-h2); margin-bottom: var(--sp-3); line-height: 1; }
.cookie-prefs__intro { color: var(--smoke); margin-bottom: var(--sp-6); max-width: 60ch; }

.cookie-prefs__row {
  display: flex; gap: var(--sp-5); align-items: flex-start; justify-content: space-between;
  padding: var(--sp-4) 0;
  border-top: 1px solid var(--ink-3);
}
.cookie-prefs__info h3 { font-size: var(--fs-h3); margin-bottom: var(--sp-2); }
.cookie-prefs__info p { color: var(--smoke); font-size: var(--fs-small); max-width: 50ch; }

.cookie-toggle { display: inline-block; position: relative; flex-shrink: 0; cursor: pointer; }
.cookie-toggle input { appearance: none; position: absolute; inset: 0; margin: 0; opacity: 0; cursor: pointer; }
.cookie-toggle__track {
  display: block; width: 48px; height: 26px;
  background: var(--ink-3);
  border-radius: 999px;
  position: relative;
  transition: background var(--dur-fast) var(--ease-out);
}
.cookie-toggle__thumb {
  position: absolute; top: 3px; left: 3px;
  width: 20px; height: 20px;
  background: var(--bone);
  border-radius: 50%;
  transition: transform var(--dur-fast) var(--ease-out);
}
.cookie-toggle input:checked ~ .cookie-toggle__track { background: var(--accent); }
.cookie-toggle input:checked ~ .cookie-toggle__track .cookie-toggle__thumb { transform: translateX(22px); }
.cookie-toggle input:disabled ~ .cookie-toggle__track { opacity: 0.5; cursor: not-allowed; }
.cookie-toggle.is-locked { cursor: not-allowed; }

.cookie-prefs__actions {
  margin-top: var(--sp-5);
  display: flex; gap: var(--sp-3); justify-content: flex-end;
}

/* Hero brand logo (e.g. /agencia → Kaizen Consulting badge) */
.hero__brand-logo {
  width: clamp(160px, 20vw, 240px);
  height: auto;
  margin-bottom: var(--sp-5);
  filter: drop-shadow(0 2px 12px rgba(0, 0, 0, 0.5));
}

/* RCK logo on philosophy block */
.philosophy__rck-logo {
  width: clamp(120px, 16vw, 180px);
  height: auto;
  margin: 0 auto var(--sp-3);
  filter: drop-shadow(0 0 24px rgba(255, 90, 31, 0.25));
}

.site-footer__logo {
  width: 120px;
  height: auto;
  display: block;
  margin-bottom: var(--sp-3);
}

/* WhatsApp floating widget */
/* Hide the floating reCAPTCHA v3 badge (we comply with Google ToS via inline
   legal notice rendered next to each form — see .recaptcha-notice). */
.grecaptcha-badge { visibility: hidden !important; }

.recaptcha-notice {
  font-size: 11px;
  color: var(--smoke);
  line-height: 1.5;
  margin-top: var(--sp-3);
  opacity: 0.7;
}
.recaptcha-notice a { color: var(--smoke); text-decoration: underline; }
.recaptcha-notice a:hover { color: var(--accent); }

.wa-widget {
  position: fixed;
  right: var(--sp-4);
  bottom: var(--sp-4);
  z-index: 90;
  font-family: var(--font-body);
}
.wa-widget__bubble {
  position: relative;
  display: grid;
  place-items: center;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: #25D366;
  color: #fff;
  border: 0;
  box-shadow: 0 4px 18px rgba(37, 211, 102, 0.45), 0 2px 6px rgba(0, 0, 0, 0.25);
  cursor: pointer;
  transition: transform var(--dur-base) var(--ease-out), box-shadow var(--dur-base) var(--ease-out);
}
.wa-widget__bubble:hover {
  transform: scale(1.06);
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.55), 0 4px 10px rgba(0, 0, 0, 0.3);
}
.wa-widget__bubble:focus-visible {
  outline: 3px solid #fff;
  outline-offset: 2px;
}
.wa-widget__pulse {
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 2px solid rgba(37, 211, 102, 0.5);
  animation: wa-pulse 2.4s ease-out infinite;
  pointer-events: none;
}
@keyframes wa-pulse {
  0% { transform: scale(0.85); opacity: 0.85; }
  100% { transform: scale(1.4); opacity: 0; }
}
.wa-widget__badge {
  position: absolute;
  top: -4px;
  right: -4px;
  min-width: 22px;
  height: 22px;
  padding: 0 6px;
  border-radius: 11px;
  background: var(--accent);
  color: #fff;
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 700;
  display: grid;
  place-items: center;
  border: 2px solid var(--ink-1);
}
@media (prefers-reduced-motion: reduce) {
  .wa-widget__pulse { animation: none; }
}

.wa-widget__panel {
  position: absolute;
  right: 0;
  bottom: calc(100% + 16px);
  width: 320px;
  max-width: calc(100vw - var(--sp-5) * 2);
  background: #fff;
  border-radius: 16px;
  box-shadow: 0 20px 48px rgba(0, 0, 0, 0.4);
  overflow: hidden;
  opacity: 0;
  transform: translateY(8px) scale(0.96);
  transform-origin: bottom right;
  pointer-events: none;
  transition: opacity var(--dur-base) var(--ease-out), transform var(--dur-base) var(--ease-out);
}
.wa-widget[data-open="true"] .wa-widget__panel {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}
.wa-widget[data-open="true"] .wa-widget__badge { display: none; }

.wa-widget__head {
  display: grid;
  grid-template-columns: 44px 1fr auto;
  align-items: center;
  gap: 10px;
  padding: 14px 14px 12px;
  background: #075E54;
  color: #fff;
}
.wa-widget__avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.15);
  display: grid;
  place-items: center;
  overflow: hidden;
}
.wa-widget__avatar img {
  width: 32px;
  height: 32px;
  object-fit: contain;
}
.wa-widget__head-text { display: grid; gap: 2px; min-width: 0; }
.wa-widget__head-text strong {
  font-size: 14px;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.wa-widget__head-text .wa-widget__status {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.8);
}
.wa-widget__close {
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  background: transparent;
  border: 0;
  color: #fff;
  border-radius: 50%;
  cursor: pointer;
  transition: background var(--dur-fast) var(--ease-out);
}
.wa-widget__close:hover { background: rgba(255, 255, 255, 0.18); }

.wa-widget__body {
  padding: 18px 14px;
  background:
    repeating-linear-gradient(
      130deg,
      #ECE5DD,
      #ECE5DD 80px,
      #E2DBD2 80px,
      #E2DBD2 110px
    );
}
.wa-widget__bubble-msg {
  display: grid;
  gap: 6px;
  background: #fff;
  border-radius: 8px;
  padding: 10px 12px;
  box-shadow: 0 1px 1px rgba(0, 0, 0, 0.06);
  position: relative;
}
.wa-widget__bubble-msg::before {
  content: "";
  position: absolute;
  left: -6px;
  top: 8px;
  width: 12px;
  height: 12px;
  background: #fff;
  transform: rotate(45deg);
  z-index: -1;
}
.wa-widget__bubble-msg p {
  margin: 0;
  font-size: 14px;
  line-height: 1.45;
  color: #303030;
  max-width: none;
}

.wa-widget__cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px;
  background: #25D366;
  color: #fff;
  font-weight: 600;
  font-size: 14px;
  text-decoration: none;
  transition: background var(--dur-fast) var(--ease-out);
}
.wa-widget__cta:hover { background: #1FB855; color: #fff; }

@media (max-width: 540px) {
  .wa-widget { right: var(--sp-3); bottom: var(--sp-3); }
  .wa-widget__bubble { width: 56px; height: 56px; }
  .wa-widget__panel { width: calc(100vw - var(--sp-3) * 2); }
}

/* Hide on print */
@media print {
  .wa-widget { display: none !important; }
}

/* Footer — 4-column compact layout */
.site-footer__grid {
  grid-template-columns: 1.2fr 1fr 1.2fr 1fr;
}
@media (max-width: 980px) {
  .site-footer__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--sp-7) var(--sp-6);
  }
}
@media (max-width: 540px) {
  .site-footer__grid {
    grid-template-columns: 1fr;
  }
}
.site-footer__col h4 {
  font-size: var(--fs-small);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--smoke);
  margin-bottom: var(--sp-4);
  font-family: var(--font-display);
}
.site-footer__tagline {
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--smoke);
  font-size: var(--fs-tiny);
  margin-top: var(--sp-3);
}
.site-footer__address {
  font-style: normal;
  color: var(--smoke);
  line-height: 1.55;
  margin-bottom: var(--sp-4);
}
.site-footer__cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-display);
  font-size: var(--fs-small);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent);
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur-base) var(--ease-out);
}
.site-footer__cta:hover { border-color: var(--accent); }
.site-footer__links {
  list-style: none;
  padding-left: 0;
  display: grid;
  gap: 8px;
}
.site-footer__links a,
.site-footer__links button {
  color: var(--bone);
  font-size: var(--fs-small);
  background: transparent;
  border: 0;
  padding: 0;
  cursor: pointer;
  text-align: left;
  transition: color var(--dur-fast) var(--ease-out);
}
.site-footer__links a:hover,
.site-footer__links button:hover { color: var(--accent); }
.site-footer__bottom {
  margin-top: var(--sp-7);
  padding-top: var(--sp-4);
  border-top: 1px solid var(--ink-3);
}