/* ==========================================================================
   Kameron AI — Sistema de diseño
   Concepto: señalética esmaltada de taller vasco.
   Cobalto committed sobre papel cálido, Archivo Variable como única familia.
   ========================================================================== */

/* ---- Fuente ---- */
@font-face {
  font-family: 'Archivo';
  font-style: normal;
  font-weight: 100 900;
  font-stretch: 62% 125%;
  font-display: swap;
  src: url('../fonts/archivo-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Archivo';
  font-style: normal;
  font-weight: 100 900;
  font-stretch: 62% 125%;
  font-display: swap;
  src: url('../fonts/archivo-latin-ext.woff2') format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

/* ---- Tokens ---- */
:root {
  --paper: oklch(96.5% 0.012 85);
  --paper-deep: oklch(93% 0.018 85);
  --ink: oklch(23% 0.04 265);
  --ink-soft: oklch(42% 0.03 265);
  --cobalt: oklch(44% 0.165 264);
  --cobalt-bright: oklch(52% 0.19 264);
  --cobalt-deep: oklch(29% 0.09 266);
  --cobalt-tint: oklch(90% 0.035 264);
  --signal: oklch(71% 0.185 45);
  --signal-deep: oklch(52% 0.155 45);
  --line: oklch(84% 0.02 85);
  --line-strong: oklch(58% 0.02 85);
  --logo-navy: #282876;
  --logo-blue: #0071f6;
  --on-cobalt: oklch(96% 0.01 264);
  --on-cobalt-soft: oklch(82% 0.03 264);

  --font: 'Archivo', 'Trebuchet MS', 'Segoe UI', system-ui, sans-serif;
  --wide: 'wdth' 125;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-in-out: cubic-bezier(0.77, 0, 0.175, 1);

  --size-display: clamp(2.7rem, 6.8vw, 5.4rem);
  --size-h2: clamp(1.9rem, 4.2vw, 3.2rem);
  --size-h3: clamp(1.2rem, 2vw, 1.4rem);
  --size-body: 1.0625rem;

  --space-section: clamp(5rem, 11vw, 9rem);
  --space-block: clamp(2.25rem, 5vw, 4rem);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 5.5rem;
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: var(--size-body);
  line-height: 1.6;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4 { margin: 0 0 0.6em; line-height: 1.08; }
p { margin: 0 0 1em; max-width: 68ch; }
a { color: var(--cobalt); text-underline-offset: 3px; }
a:hover { color: var(--cobalt-bright); }
img, svg { max-width: 100%; height: auto; display: block; }
::selection { background: var(--cobalt); color: var(--on-cobalt); }

:focus-visible {
  outline: 3px solid var(--cobalt);
  outline-offset: 3px;
  border-radius: 2px;
}
.band--cobalt :focus-visible,
.site-footer :focus-visible {
  outline-color: var(--signal);
}

.container {
  width: min(1200px, 100% - clamp(2.5rem, 6vw, 5rem));
  margin-inline: auto;
}

.skip-link {
  position: absolute;
  left: 1rem; top: -4rem;
  background: var(--ink); color: var(--paper);
  padding: 0.6rem 1rem; border-radius: 8px;
  z-index: 200; transition: top 0.2s var(--ease);
}
.skip-link:focus { top: 1rem; color: var(--paper); }

/* ---- Tipos de titular (señalética) ---- */
.display, .h2 {
  font-variation-settings: var(--wide);
  font-weight: 880;
  letter-spacing: -0.02em;
  text-wrap: balance;
}
.display { font-size: var(--size-display); line-height: 1.02; }
.h2 { font-size: var(--size-h2); }
h3 { font-size: var(--size-h3); font-weight: 700; letter-spacing: -0.01em; }

.accent { color: var(--cobalt); }

/* Kicker: sistema de señalética de marca (uno por sección) */
.kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.82rem;
  font-weight: 640;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-bottom: 1.4rem;
}
.kicker::before {
  content: '';
  width: 0.55em; height: 0.55em;
  border-radius: 50%;
  background: var(--signal);
  flex: none;
}
.band--cobalt .kicker { color: var(--on-cobalt-soft); }

.lead {
  font-size: clamp(1.1rem, 1.8vw, 1.25rem);
  color: var(--ink-soft);
  font-weight: 450;
}

/* ---- Botones ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.85rem 1.6rem;
  border-radius: 10px;
  border: 1.5px solid transparent;
  font: 640 1rem/1.2 var(--font);
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease), background-color 0.25s var(--ease);
}
.btn--primary {
  background: var(--cobalt);
  color: var(--on-cobalt);
}
.btn--ghost {
  border-color: var(--line);
  color: var(--ink);
  background: transparent;
}
.btn--inverse {
  background: var(--paper);
  color: var(--cobalt-deep);
}
/* Hover con movimiento solo con ratón: en táctil el hover se queda pegado tras el toque. */
@media (hover: hover) and (pointer: fine) {
  .btn--primary:hover {
    background: var(--cobalt-bright);
    color: var(--on-cobalt);
    transform: translateY(-1px);
    box-shadow: 0 10px 24px -10px oklch(44% 0.165 264 / 0.55);
  }
  .btn--ghost:hover { border-color: var(--ink-soft); color: var(--ink); transform: translateY(-1px); }
  .btn--inverse:hover {
    color: var(--cobalt);
    transform: translateY(-1px);
    box-shadow: 0 12px 28px -12px oklch(10% 0.05 266 / 0.7);
  }
}
.btn--lg { padding: 1.05rem 2rem; font-size: 1.08rem; }

/* ---- Header ---- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: oklch(96.5% 0.012 85 / 0.88);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding-block: 0.9rem;
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  color: var(--logo-navy);
}
.logo:hover { color: var(--logo-navy); }
.logo__img { width: clamp(170px, 16vw, 215px); height: auto; display: block; }
.logo__mark { width: 34px; height: 34px; flex: none; }
.logo__word {
  font-variation-settings: var(--wide);
  font-weight: 880;
  font-size: 1.12rem;
  letter-spacing: 0.01em;
}
.logo__word span { color: var(--logo-blue); }

.site-nav { display: flex; align-items: center; gap: clamp(1.2rem, 2.5vw, 2.2rem); }
.site-nav a {
  color: var(--ink-soft);
  text-decoration: none;
  font-weight: 540;
  font-size: 0.98rem;
}
.site-nav a:hover { color: var(--cobalt); }
.site-nav a.btn--primary, .site-nav a.btn--primary:hover { color: var(--on-cobalt); }

.nav-toggle {
  display: none;
  background: none;
  border: 0;
  padding: 0.5rem;
  cursor: pointer;
  color: var(--ink);
}

/* ---- Hero ---- */
.hero { padding-block: clamp(4rem, 9vw, 7.5rem) clamp(3rem, 7vw, 5.5rem); }
.hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  gap: clamp(2.5rem, 6vw, 5rem);
  align-items: center;
}
.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-top: 2.2rem;
}
.hero__note {
  margin-top: 1.6rem;
  font-size: 0.92rem;
  color: var(--ink-soft);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.hero__note svg { width: 16px; height: 16px; color: var(--signal-deep); flex: none; }
.hero__who { margin-top: 1.2rem; max-width: 60ch; color: var(--ink-soft); }

/* Símbolo 3D del hero: SVG estático que js/hero-mark.js sustituye por esferas WebGL */
.hero__visual { position: relative; }
.hero-mark {
  display: grid;
  place-items: center;
  width: 100%;
  max-width: 440px;
  margin-inline: auto;
  aspect-ratio: 1 / 1.05;
  align-self: start;
}
.hero-mark__img { width: 64%; height: auto; transition: opacity 0.6s var(--ease); }
.hero-mark canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.6s var(--ease);
}
.hero-mark.is-3d canvas { opacity: 1; }
/* Con JS el SVG espera a la intro 3D; si el script no llega a preparar WebGL (.is-ready),
   aparece a los 3 s. Si luego se rinde, añade .is-static y el SVG vuelve. */
html.js .hero-mark:not(.is-static) .hero-mark__img { opacity: 0; animation: mark-reveal 0.6s var(--ease) 3s forwards; }
html.js .hero-mark.is-ready:not(.is-static) .hero-mark__img,
html.js .hero-mark.is-3d .hero-mark__img { opacity: 0; animation: none; }
@keyframes mark-reveal { to { opacity: 1; } }

/* ---- Cinta señalética (marquee) ---- */
.strip {
  position: relative;
  background: var(--cobalt);
  color: var(--on-cobalt);
  overflow: hidden;
  padding-block: 0.85rem;
  border-block: 1px solid var(--cobalt-deep);
}
.strip__track {
  display: flex;
  gap: 3rem;
  width: max-content;
  animation: marquee 36s linear infinite;
}
.strip:hover .strip__track,
.strip--paused .strip__track { animation-play-state: paused; }
.strip__pause {
  position: absolute;
  right: 0.6rem;
  top: 50%;
  transform: translateY(-50%);
  width: 30px;
  height: 30px;
  border-radius: 50%;
  border: 1.5px solid var(--on-cobalt-soft);
  background: var(--cobalt);
  color: var(--on-cobalt);
  display: grid;
  place-items: center;
  cursor: pointer;
  padding: 0;
}
.strip__pause:hover { border-color: var(--on-cobalt); }
.strip__pause svg { width: 12px; height: 12px; }
.strip__pause .icon-play { display: none; }
.strip--paused .strip__pause .icon-play { display: block; }
.strip--paused .strip__pause .icon-pause { display: none; }
html:not(.js) .strip__pause { display: none; }
@keyframes marquee { to { transform: translateX(-50%); } }
.strip__item {
  display: inline-flex;
  align-items: center;
  gap: 3rem;
  font-variation-settings: var(--wide);
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  white-space: nowrap;
}
.strip__item::after { content: '✳'; color: var(--signal); font-size: 0.9em; }

/* ---- Secciones ---- */
.section { padding-block: var(--space-section); }
.section--deep { background: var(--paper-deep); }
.section__head { max-width: 44rem; margin-bottom: var(--space-block); }

/* ---- Servicios: ledger ---- */
.ledger { list-style: none; margin: 0; padding: 0; }
.ledger__row {
  display: grid;
  grid-template-columns: minmax(70px, 110px) 64px minmax(0, 1fr);
  gap: clamp(1.2rem, 3vw, 2.5rem);
  align-items: start;
  padding-block: clamp(1.8rem, 3.5vw, 2.6rem);
  border-top: 1px solid var(--line);
}
.ledger__row:last-child { border-bottom: 1px solid var(--line); }
.ledger__num {
  font-variation-settings: var(--wide);
  font-weight: 880;
  font-size: clamp(1.6rem, 3.4vw, 2.6rem);
  line-height: 1;
  color: var(--cobalt);
  letter-spacing: -0.02em;
}
.ledger__icon {
  width: 64px; height: 64px;
  color: var(--ink);
  background: var(--cobalt-tint);
  border-radius: 14px;
  display: grid;
  place-items: center;
}
.ledger__icon svg { width: 34px; height: 34px; }
.ledger__body h3 { margin-bottom: 0.35em; }
.ledger__body p { margin-bottom: 0.7em; color: var(--ink-soft); }
.ledger__example {
  display: flex;
  gap: 0.55rem;
  align-items: baseline;
  font-size: 0.95rem;
  color: var(--ink);
  max-width: 62ch;
}
.ledger__example strong { color: var(--signal-deep); font-weight: 700; white-space: nowrap; }

/* ---- Banda WUAMA (drenched) ---- */
.band--cobalt {
  background: var(--cobalt-deep);
  color: var(--on-cobalt);
}
.band--cobalt h2, .band--cobalt h3 { color: var(--on-cobalt); }
.band--cobalt p { color: var(--on-cobalt-soft); line-height: 1.68; }
.band--cobalt a:not(.btn) { color: var(--on-cobalt); }
.wuama__grid {
  display: grid;
  grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
  gap: clamp(2.5rem, 6vw, 5.5rem);
  align-items: center;
}
.wuama__list { list-style: none; margin: 0 0 2rem; padding: 0; display: grid; gap: 0.85rem; }
.wuama__list li {
  display: flex;
  gap: 0.7rem;
  align-items: baseline;
  color: var(--on-cobalt);
  font-weight: 480;
}
.wuama__list li::before {
  content: '✳' / '';
  color: var(--signal);
  font-size: 0.85em;
  flex: none;
}

/* Mockup de chat */
.chat {
  background: oklch(23% 0.06 266);
  border: 1px solid oklch(38% 0.08 266);
  border-radius: 22px;
  padding: 1.3rem;
  max-width: 400px;
  margin-inline: auto;
  box-shadow: 0 30px 60px -30px oklch(10% 0.05 266 / 0.8);
}
.chat__head {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid oklch(38% 0.08 266);
  margin-bottom: 1rem;
}
.chat__avatar {
  width: 38px; height: 38px;
  border-radius: 50%;
  background: var(--signal);
  color: var(--cobalt-deep);
  display: grid;
  place-items: center;
  font-weight: 880;
  font-variation-settings: var(--wide);
  font-size: 1rem;
  flex: none;
}
.chat__title { font-weight: 700; font-size: 0.98rem; color: var(--on-cobalt); line-height: 1.25; }
.chat__status {
  font-size: 0.8rem;
  color: var(--on-cobalt-soft);
  display: flex;
  align-items: center;
  gap: 0.35rem;
}
.chat__status::before {
  content: '';
  width: 7px; height: 7px;
  border-radius: 50%;
  background: oklch(75% 0.19 150);
}
.chat__log { display: grid; gap: 0.65rem; }
.msg {
  padding: 0.65rem 0.95rem;
  border-radius: 14px;
  font-size: 0.93rem;
  line-height: 1.45;
  max-width: 85%;
}
html.js .msg {
  opacity: 0;
  transform: translateY(10px);
}
.msg--bot {
  background: oklch(33% 0.07 266);
  color: var(--on-cobalt);
  border-bottom-left-radius: 4px;
  justify-self: start;
}
.msg--user {
  background: var(--signal);
  color: oklch(20% 0.05 45);
  font-weight: 540;
  border-bottom-right-radius: 4px;
  justify-self: end;
}
.msg--meta {
  background: transparent;
  color: var(--on-cobalt-soft);
  font-size: 0.78rem;
  justify-self: center;
  padding-block: 0.1rem;
}
.chat.is-visible .msg {
  animation: msg-in 0.5s var(--ease) forwards;
}
.chat.is-visible .msg:nth-child(1) { animation-delay: 0.15s; }
.chat.is-visible .msg:nth-child(2) { animation-delay: 0.75s; }
.chat.is-visible .msg:nth-child(3) { animation-delay: 1.45s; }
.chat.is-visible .msg:nth-child(4) { animation-delay: 2.15s; }
.chat.is-visible .msg:nth-child(5) { animation-delay: 2.85s; }
@keyframes msg-in { to { opacity: 1; transform: none; } }

/* ---- Timeline: cómo trabajamos ---- */
.timeline { list-style: none; margin: 0; padding: 0; max-width: 760px; }
.timeline__step {
  position: relative;
  display: grid;
  grid-template-columns: 120px minmax(0, 1fr);
  gap: clamp(1.5rem, 4vw, 3rem);
  padding-block: 0 clamp(2.2rem, 4.5vw, 3.2rem);
}
.timeline__step::before {
  content: '';
  position: absolute;
  left: calc(120px + clamp(0.75rem, 2vw, 1.5rem) - 1px);
  top: 0.5rem;
  bottom: -0.5rem;
  width: 2px;
  background: var(--line);
}
.timeline__step:last-child::before { display: none; }
.timeline__step::after {
  content: '';
  position: absolute;
  left: calc(120px + clamp(0.75rem, 2vw, 1.5rem) - 6px);
  top: 0.42rem;
  width: 12px; height: 12px;
  border-radius: 50%;
  background: var(--signal);
  border: 2.5px solid var(--paper-deep);
  box-shadow: 0 0 0 2px var(--signal);
}
.timeline__when {
  text-align: right;
  font-variation-settings: var(--wide);
  font-weight: 800;
  font-size: 0.88rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--cobalt);
  padding-top: 0.2rem;
}
.timeline__body { padding-left: clamp(1.5rem, 4vw, 3rem); }
.timeline__body h3 { margin-bottom: 0.3em; }
.timeline__body p { color: var(--ink-soft); margin: 0; }

/* ---- FAQ ---- */
.faq { max-width: 820px; }
.faq details {
  border-top: 1px solid var(--line);
}
.faq details:last-child { border-bottom: 1px solid var(--line); }
.faq summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1.5rem;
  padding-block: 1.35rem;
  font-weight: 660;
  font-size: 1.1rem;
  letter-spacing: -0.01em;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary:hover { color: var(--cobalt); }
.faq summary::after {
  content: '+' / '';
  font-variation-settings: var(--wide);
  font-weight: 700;
  font-size: 1.5rem;
  line-height: 1;
  color: var(--cobalt);
  flex: none;
  transition: transform 0.2s var(--ease);
}
.faq details[open] summary::after { transform: rotate(45deg); }
/* Apertura y cierre animados donde el navegador admite ::details-content e
   interpolate-size; en el resto, instantáneos y sin hueco vacío al cerrar. */
.faq details { interpolate-size: allow-keywords; }
.faq details::details-content {
  height: 0;
  overflow: clip;
  transition: height 0.25s var(--ease), content-visibility 0.25s var(--ease) allow-discrete;
}
.faq details[open]::details-content { height: auto; }
.faq__answer p { color: var(--ink-soft); padding-bottom: 1.35rem; margin: 0; max-width: 64ch; }

/* ---- Dónde trabajamos (home y hub) ---- */
.zones {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(1.5rem, 3vw, 2.5rem) clamp(2rem, 5vw, 4rem);
}
.zones__item {
  display: grid;
  grid-template-columns: 132px minmax(0, 1fr);
  gap: 1.2rem;
  padding-top: 1.4rem;
  border-top: 1px solid var(--line);
}
.zones__when {
  font-variation-settings: var(--wide);
  font-weight: 800;
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--cobalt);
  line-height: 1.3;
  padding-top: 0.35rem;
}
.zones__body h3 { margin-bottom: 0.3em; }
.zones__body h3 a { color: var(--ink); text-decoration: none; }
.zones__body h3 a:hover { color: var(--cobalt); }
.zones__body p { color: var(--ink-soft); margin: 0; }
.zones__all { margin: var(--space-block) 0 0; font-weight: 640; }

/* ---- CTA final ---- */
.cta-final { text-align: left; }
.cta-final__grid {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
  gap: clamp(2rem, 5vw, 4rem);
  align-items: end;
}
.cta-final__contact {
  display: grid;
  gap: 0.4rem;
  font-size: 0.98rem;
  color: var(--ink-soft);
  justify-items: start;
}
.cta-final__contact a { font-weight: 640; }

/* ---- Footer ---- */
.site-footer {
  background: var(--ink);
  color: oklch(78% 0.02 265);
  padding-block: clamp(3rem, 6vw, 4.5rem) 2rem;
  font-size: 0.95rem;
}
.site-footer a { color: oklch(90% 0.015 265); text-decoration: none; }
.site-footer a:hover { color: var(--on-cobalt); text-decoration: underline; }
.site-footer .logo { color: oklch(96% 0.01 265); margin-bottom: 1rem; }
.site-footer .logo:hover { color: oklch(96% 0.01 265); }
.site-footer .logo__word span { color: var(--logo-blue); }
.footer__grid {
  display: grid;
  grid-template-columns: minmax(0, 4fr) repeat(3, minmax(0, 2.5fr));
  gap: clamp(2rem, 5vw, 3.5rem);
  padding-bottom: 2.5rem;
}
.footer__col h4,
.footer__col .footer__title {
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: oklch(62% 0.02 265);
  margin: 0 0 1rem;
}
.footer__col ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.55rem; }
.footer__addr { font-style: normal; line-height: 1.7; }
.footer__addr a { text-decoration: underline; }
.footer__legal {
  border-top: 1px solid oklch(35% 0.03 265);
  padding-top: 1.6rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.88rem;
  color: oklch(62% 0.02 265);
}
.footer__legal ul {
  list-style: none;
  margin: 0; padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
}

/* ---- Página interior (legales, contacto, locales) ---- */
.page-hero { padding-block: clamp(3.5rem, 7vw, 5.5rem) clamp(2rem, 4vw, 3rem); }
.crumbs {
  font-size: 0.88rem;
  color: var(--ink-soft);
  margin: 0 0 1.2rem;
}
.crumbs a { color: var(--ink-soft); }
.crumbs a:hover { color: var(--cobalt); }
.prose { max-width: 72ch; padding-bottom: var(--space-section); }
.prose h2 { font-size: 1.5rem; font-weight: 760; margin-top: 2.2em; letter-spacing: -0.01em; }
.prose h3 { font-size: 1.15rem; margin-top: 1.8em; }
.prose ul { padding-left: 1.3rem; color: var(--ink-soft); }
.prose li { margin-bottom: 0.5em; }
.prose p { color: var(--ink-soft); }
.prose strong { color: var(--ink); }

/* ---- Formulario de contacto ---- */
.form { display: grid; gap: 1.3rem; max-width: 640px; }
.form__row { display: grid; gap: 1.3rem; grid-template-columns: 1fr 1fr; }
.field { display: grid; gap: 0.45rem; }
.field label { font-weight: 640; font-size: 0.95rem; }
.field input, .field select, .field textarea {
  font: 450 1rem/1.4 var(--font);
  color: var(--ink);
  background: oklch(99% 0.005 85);
  border: 1.5px solid var(--line-strong);
  border-radius: 10px;
  padding: 0.8rem 1rem;
  width: 100%;
  transition: border-color 0.2s var(--ease);
}
.field textarea { resize: vertical; min-height: 140px; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-color: var(--cobalt);
  box-shadow: 0 0 0 3px oklch(44% 0.165 264 / 0.18);
}
.field__hint { font-size: 0.85rem; color: var(--ink-soft); }
.form__status { font-weight: 640; min-height: 1.5em; margin: 0; }
.form__status[data-state="ok"] { color: oklch(52% 0.14 150); }
.form__status[data-state="error"] { color: oklch(55% 0.19 30); }

/* ---- WhatsApp flotante ----
   Verde azulado de la marca WhatsApp (#128c7e), no el verde claro #25d366:
   con este el icono claro y el botón sobre el papel superan 4:1 de contraste. */
.wa-float {
  position: fixed;
  right: max(1rem, env(safe-area-inset-right));
  bottom: max(1rem, env(safe-area-inset-bottom));
  z-index: 90;
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.75rem 1.2rem 0.75rem 0.9rem;
  border-radius: 999px;
  background: #128c7e;
  color: var(--on-cobalt);
  font: 640 0.98rem/1 var(--font);
  text-decoration: none;
  box-shadow: 0 12px 28px -12px oklch(10% 0.05 266 / 0.6);
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease), background-color 0.25s var(--ease);
}
.wa-float:hover { color: var(--on-cobalt); }
.wa-float svg { width: 26px; height: 26px; flex: none; }
/* Hueco al final del pie para que el botón no tape el texto legal. */
.site-footer { padding-bottom: 6rem; }
@media (hover: hover) and (pointer: fine) {
  .wa-float:hover {
    background: #0f7a6e;
    transform: translateY(-1px);
    box-shadow: 0 16px 32px -12px oklch(10% 0.05 266 / 0.65);
  }
}
@media print { .wa-float { display: none; } }

/* ---- Reveals ----
   Solo se ocultan si el JS está activo (html.js): sin JavaScript,
   todo el contenido es visible para personas y crawlers. */
html.js .reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
  transition-delay: var(--reveal-delay, 0s);
}
html.js .reveal.is-visible { opacity: 1; transform: none; }

/* ---- Responsive ---- */
@media (max-width: 960px) {
  .hero__grid, .wuama__grid, .cta-final__grid { grid-template-columns: 1fr; }
  .hero__visual { max-width: 560px; }
  .hero-mark { max-width: 340px; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 720px) {
  .site-nav {
    position: absolute;
    top: 100%;
    left: 0; right: 0;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    flex-direction: column;
    align-items: flex-start;
    padding: 1.2rem clamp(1.25rem, 3vw, 2.5rem) 1.6rem;
    gap: 1.1rem;
    display: none;
  }
  .site-nav.is-open { display: flex; }
  .nav-toggle { display: inline-grid; place-items: center; }
  .ledger__row { grid-template-columns: minmax(48px, 60px) minmax(0, 1fr); }
  .ledger__icon { display: none; }
  .timeline__step { grid-template-columns: minmax(0, 1fr); }
  .timeline__step::before, .timeline__step::after { display: none; }
  .timeline__when { text-align: left; padding-top: 0; }
  .timeline__body { padding-left: 0; }
  .form__row { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr; }
  .zones { grid-template-columns: 1fr; }
  .zones__item { grid-template-columns: minmax(0, 1fr); gap: 0.4rem; }
  .wa-float { padding: 0.85rem; }
  .wa-float__label { display: none; }
}

/* ---- Movimiento reducido ---- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  html.js .reveal { opacity: 1; transform: none; transition: none; }
  html.js .hero-mark:not(.is-static) .hero-mark__img { opacity: 1; animation: none; transition: none; }
  .strip__track { animation: none; flex-wrap: wrap; width: auto; }
  html.js .msg { opacity: 1; transform: none; }
  .chat.is-visible .msg { animation: none; }
  .btn, .wa-float, .faq summary::after, .faq details::details-content { transition: none; }
}