/* ==========================================================================
   PixelSur · components.css
   Componentes reutilizables: header, menú, tarjetas, chips, acordeón,
   formularios, diálogo, footer y botón flotante de WhatsApp.
   ========================================================================== */

/* ---------- Barra de progreso de lectura ---------- */
.scroll-progress {
  position: fixed;
  inset: 0 0 auto;
  z-index: 120;
  height: 2px;
  pointer-events: none;
}
.scroll-progress span {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--accent-deep), var(--accent), var(--accent-bright));
  transform-origin: 0 50%;
  transform: scaleX(var(--progress, 0));
  opacity: .9;
}

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  height: var(--header-h);
  transition: background-color .4s var(--ease-out), border-color .4s, height .4s var(--ease-out), backdrop-filter .4s;
  border-bottom: 1px solid transparent;
}
.site-header.is-scrolled {
  --header-h: 64px;
  background: var(--surface-glass);
  border-bottom-color: var(--line);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  backdrop-filter: blur(16px) saturate(140%);
}
.menu-open .site-header {
  background: var(--bg);
  border-bottom-color: var(--line);
  -webkit-backdrop-filter: none;
  backdrop-filter: none;
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 16px;
  height: 100%;
}

/* Proporciones del logotipo horizontal del kit: isotipo, separación y palabra escalan con --logo-h. */
.brand {
  --logo-h: 38px;
  display: inline-flex;
  align-items: center;
  gap: calc(var(--logo-h) * .21);
  color: var(--text);
  text-decoration: none;
  border-radius: 8px;
}
.brand-mark { width: calc(var(--logo-h) * .7396); height: var(--logo-h); transition: transform .6s var(--ease-out); }
/* El margen inferior sube la palabra a la altura que tiene en el logotipo original. */
.brand-word { width: calc(var(--logo-h) * 2.0876); height: calc(var(--logo-h) * .3946); margin-bottom: calc(var(--logo-h) * .0971); }
.brand:hover .brand-mark { transform: translateY(-2px); }

.main-nav {
  position: relative;
  display: none;
  margin-left: auto;
}
.nav-list { display: flex; align-items: center; gap: 2px; }
.nav-link {
  position: relative;
  z-index: 1;
  display: block;
  padding: 8px 14px;
  border-radius: 999px;
  font-family: var(--font-display);
  font-size: .9rem;
  font-weight: 550;
  color: var(--text-2);
  text-decoration: none;
  transition: color .3s;
}
.nav-link:hover,
.nav-link.is-active { color: var(--text); }
.nav-indicator {
  position: absolute;
  top: 50%;
  left: 0;
  height: 36px;
  width: var(--ind-w, 0);
  border-radius: 999px;
  /* Verde Pixelsur clarito, fijo: sobre el hero el tema oscuro cambia --accent-rgb a celeste. */
  background: rgb(65 202 93 / .14);
  box-shadow: inset 0 0 0 1px rgb(65 202 93 / .35);
  translate: var(--ind-x, 0) -50%;
  opacity: var(--ind-o, 0);
  pointer-events: none;
  transition: translate .5s var(--ease-out), width .5s var(--ease-out), opacity .3s;
}
.nav-indicator::after {
  content: '';
  position: absolute;
  bottom: -9px;
  left: 50%;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  translate: -50% 0;
  background: var(--accent);
  box-shadow: 0 0 10px var(--accent);
  opacity: var(--ind-dot, 0);
  transition: opacity .3s;
}

.header-cta { margin-left: auto; }
/* Borde gris fino y parejo en todo el contorno. Reemplaza el filo degradé de .btn-glass,
   que se desvanece en los lados. --line-3 se adapta al tema (gris sobre blanco, blanco tenue sobre el hero). */
.header-cta { box-shadow: none; }
.header-cta::before { padding: 1px; background: var(--line-3); }
.header-inner.is-simple .header-cta { margin-left: auto !important; }
.header-cta-long { display: none; }

.menu-toggle {
  position: relative;
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  flex: none;
  border-radius: 50%;
  border: 1px solid var(--line-2);
  background: rgb(var(--tint-rgb) / .03);
  transition: background-color .3s, border-color .3s;
}
.menu-toggle:hover { background: rgb(var(--tint-rgb) / .07); }
.menu-toggle-lines {
  position: relative;
  width: 18px;
  height: 10px;
}
.menu-toggle-lines i {
  position: absolute;
  left: 0;
  width: 100%;
  height: 1.6px;
  border-radius: 2px;
  background: var(--text);
  transition: transform .5s var(--ease-out), top .5s var(--ease-out), width .5s var(--ease-out);
}
.menu-toggle-lines i:first-child { top: 0; }
.menu-toggle-lines i:last-child { top: 8.4px; width: 70%; }
.menu-toggle[aria-expanded="true"] .menu-toggle-lines i:first-child { top: 4.2px; transform: rotate(45deg); }
.menu-toggle[aria-expanded="true"] .menu-toggle-lines i:last-child { top: 4.2px; width: 100%; transform: rotate(-45deg); }

@media (min-width: 640px) {
  .header-cta-long { display: inline; }
  .header-cta-short { display: none; }
}
@media (min-width: 1080px) {
  .main-nav { display: block; }
  .header-cta { margin-left: 8px; }
  .menu-toggle,
  .mobile-menu { display: none !important; }
}
@media (max-width: 359px) {
  .brand-word { display: none; }
}

/* ---------- Menú móvil ---------- */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 90;
  display: flex;
  padding-top: var(--header-h);
  background:
    radial-gradient(80% 50% at 85% 0%, rgb(var(--accent-rgb) / .1), transparent 70%),
    var(--bg);
  visibility: hidden;
  opacity: 0;
  transition: opacity .45s var(--ease-out), visibility 0s linear .45s;
  overflow-y: auto;
  overscroll-behavior: contain;
}
.mobile-menu.is-open {
  visibility: visible;
  opacity: 1;
  transition: opacity .45s var(--ease-out), visibility 0s;
}
.mobile-menu-inner {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 40px;
  min-height: 100%;
  padding-block: 28px 32px;
}
.mobile-nav li {
  border-bottom: 1px solid var(--line);
  opacity: 0;
  translate: 0 18px;
  transition: opacity .5s var(--ease-out), translate .6s var(--ease-out);
}
.mobile-menu.is-open .mobile-nav li { opacity: 1; translate: 0 0; }
.mobile-menu.is-open .mobile-nav li:nth-child(1) { transition-delay: .06s; }
.mobile-menu.is-open .mobile-nav li:nth-child(2) { transition-delay: .1s; }
.mobile-menu.is-open .mobile-nav li:nth-child(3) { transition-delay: .14s; }
.mobile-menu.is-open .mobile-nav li:nth-child(4) { transition-delay: .18s; }
.mobile-menu.is-open .mobile-nav li:nth-child(5) { transition-delay: .22s; }
.mobile-nav a {
  display: flex;
  align-items: baseline;
  gap: 16px;
  padding: 18px 2px;
  font-family: var(--font-heading);
  font-size: clamp(1.6rem, 6.5vw, 2.2rem);
  font-weight: 700;
  letter-spacing: -.025em;
  color: var(--text);
  text-decoration: none;
}
.mobile-nav-num {
  font-family: var(--font-mono);
  font-size: .75rem;
  font-weight: 500;
  letter-spacing: 0;
  color: var(--accent-strong);
}
.mobile-menu-foot {
  display: grid;
  gap: 18px;
  opacity: 0;
  transition: opacity .6s var(--ease-out) .25s;
}
.mobile-menu.is-open .mobile-menu-foot { opacity: 1; }
.mobile-menu-channels { display: flex; flex-wrap: wrap; gap: 10px; }
.mobile-menu-channels:not(:has(a:not([hidden]))) { display: none; }
.channel-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 16px;
  border: 1px solid var(--line-2);
  border-radius: 999px;
  color: var(--text);
  font-size: .9rem;
  text-decoration: none;
}
.channel-link .icon { width: 18px; height: 18px; color: var(--accent); }
.mobile-menu-note {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: .85rem;
  color: var(--text-3);
}
.mobile-menu-note .icon { width: 16px; height: 16px; }
.menu-open { overflow: hidden; }

/* ---------- Tarjeta con foco de luz que sigue al puntero ---------- */
.spot {
  --mx: 50%;
  --my: 50%;
  position: relative;
  isolation: isolate;
}
.spot::before,
.spot::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  opacity: 0;
  transition: opacity .5s var(--ease-out);
}
.spot::before {
  z-index: -1;
  background: radial-gradient(420px circle at var(--mx) var(--my), rgb(var(--accent-rgb) / .075), transparent 45%);
}
.spot::after {
  padding: 1px;
  background: radial-gradient(320px circle at var(--mx) var(--my), rgb(var(--accent-rgb) / .55), transparent 50%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask: linear-gradient(#000 0 0) content-box exclude, linear-gradient(#000 0 0);
}
@media (hover: hover) {
  .spot:hover::before,
  .spot:hover::after { opacity: 1; }
}

/* ---------- Chips, etiquetas y listas ---------- */
.chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.chip-list li {
  padding: 6px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgb(var(--tint-rgb) / .015);
  font-size: .8125rem;
  line-height: 1.4;
  color: var(--text-2);
  transition: border-color .3s, color .3s, background-color .3s;
}
.chip-list li:hover { border-color: var(--line-2); color: var(--text); }

.mini-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.mini-tags li {
  padding: 4px 10px;
  border-radius: 999px;
  background: rgb(var(--tint-rgb) / .04);
  font-size: .75rem;
  color: var(--text-3);
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 26px;
  padding: 0 11px;
  border: 1px solid var(--line-2);
  border-radius: 999px;
  font-family: var(--font-display);
  font-size: .75rem;
  font-weight: 600;
  color: var(--text);
}
.tag-concept {
  border-color: rgb(var(--warning-rgb) / .28);
  background: rgb(var(--warning-rgb) / .06);
  color: var(--warning);
}

.check-list { display: grid; gap: 12px; }
.check-list li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  line-height: 1.5;
  color: var(--text-2);
}
.check-list .icon {
  width: 18px;
  height: 18px;
  margin-top: 2px;
  padding: 2px;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent-strong);
  stroke-width: 2.2;
}

/* ---------- Controles de las demos ---------- */
.demo-controls {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}
.demo-label {
  margin-right: 4px;
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--text-3);
}
.demo-btn {
  display: inline-grid;
  place-items: center;
  min-width: 40px;
  height: 40px;
  padding: 0 10px;
  border: 1px solid var(--line-2);
  border-radius: 12px;
  background: rgb(var(--tint-rgb) / .025);
  color: var(--text-2);
  transition: color .3s, background-color .3s, border-color .3s, transform .3s var(--ease-out);
}
.demo-btn .icon { width: 18px; height: 18px; }
.demo-btn:hover { color: var(--text); border-color: var(--line-3); }
.demo-btn:active { transform: scale(.95); }
.demo-btn.is-active {
  color: var(--text);
  border-color: var(--accent-line);
  background: var(--accent-soft);
}
.demo-btn-text {
  display: inline-flex;
  gap: 8px;
  padding: 0 14px;
  font-size: .84rem;
  font-weight: 550;
}
.demo-btn-text .icon { width: 16px; height: 16px; }
.demo-dot {
  position: relative;
  width: 44px;
  height: 44px;
  border-radius: 50%;
}
.demo-dot::before {
  content: '';
  position: absolute;
  inset: 50% auto auto 50%;
  width: 8px;
  height: 8px;
  translate: -50% -50%;
  border-radius: 999px;
  background: var(--line-3);
  transition: width .4s var(--ease-out), background-color .3s;
}
.demo-dot.is-active::before { width: 22px; background: var(--accent); }

/* ---------- Control segmentado ---------- */
.seg {
  display: inline-flex;
  gap: 2px;
  padding: 3px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: rgb(var(--tint-rgb) / .025);
}
.seg-btn {
  min-height: 32px;
  padding: 0 12px;
  border-radius: 7px;
  font-size: .8rem;
  font-weight: 550;
  color: var(--text-2);
  white-space: nowrap;
  transition: color .25s, background-color .25s, box-shadow .25s;
}
.seg-btn:hover { color: var(--text); }
.seg-btn.is-active {
  background: var(--surface-3);
  color: var(--text);
  box-shadow: 0 1px 0 rgb(var(--tint-rgb) / .06) inset, 0 4px 12px -6px rgb(var(--tint-rgb) / .25);
}

/* ---------- Acordeón ---------- */
.accordion { border-top: 1px solid var(--line); }
.acc-item { border-bottom: 1px solid var(--line); }
.acc-heading { font-size: inherit; letter-spacing: normal; }
.acc-trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  width: 100%;
  padding: 24px 4px;
  text-align: left;
  font-family: var(--font-display);
  font-size: clamp(1rem, .96rem + .25vw, 1.125rem);
  font-weight: 500;
  line-height: 1.4;
  color: var(--text);
  border-radius: 8px;
  transition: color .3s;
}
.acc-trigger:hover { color: var(--accent-strong); }
.acc-icon {
  position: relative;
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  flex: none;
  border: 1px solid var(--line-2);
  border-radius: 50%;
  transition: background-color .4s, border-color .4s, transform .5s var(--ease-out);
}
.acc-icon::before,
.acc-icon::after {
  content: '';
  position: absolute;
  width: 12px;
  height: 1.6px;
  border-radius: 2px;
  background: currentColor;
  transition: transform .5s var(--ease-out), opacity .3s;
}
.acc-icon::after { transform: rotate(90deg); }
.acc-trigger[aria-expanded="true"] .acc-icon {
  background: var(--accent-soft);
  border-color: var(--accent-line);
  transform: rotate(180deg);
}
.acc-trigger[aria-expanded="true"] .acc-icon::after { transform: rotate(0deg); opacity: 0; }
.acc-panel {
  display: grid;
  grid-template-rows: 0fr;
  visibility: hidden;
  transition: grid-template-rows .55s var(--ease-out), visibility 0s linear .55s;
}
.acc-panel > .acc-panel-inner { min-height: 0; overflow: hidden; }
.acc-item.is-open .acc-panel {
  grid-template-rows: 1fr;
  visibility: visible;
  transition: grid-template-rows .55s var(--ease-out), visibility 0s;
}
.acc-panel p {
  max-width: 68ch;
  padding: 0 60px 26px 4px;
  opacity: 0;
  translate: 0 -6px;
  transition: opacity .4s, translate .5s var(--ease-out);
}
.acc-item.is-open .acc-panel p { opacity: 1; translate: 0 0; transition-delay: .1s; }
.no-js .acc-panel { grid-template-rows: 1fr; visibility: visible; }
.no-js .acc-panel p { opacity: 1; translate: none; }

/* ---------- Formularios ---------- */
.form-grid {
  display: grid;
  gap: 20px 16px;
}
@media (min-width: 560px) {
  .form-grid { grid-template-columns: 1fr 1fr; }
  .field-full { grid-column: 1 / -1; }
}
.field { display: grid; gap: 8px; align-content: start; }
.field label,
.field legend {
  font-family: var(--font-display);
  font-size: .875rem;
  font-weight: 600;
  color: var(--text);
}
.field legend { margin-bottom: 10px; }
.req { color: var(--accent-strong); }
.opt { font-weight: 450; color: var(--text-3); }

.field input,
.field select,
.field textarea {
  width: 100%;
  min-height: 50px;
  padding: 13px 16px;
  border: 1px solid var(--line-2);
  border-radius: 12px;
  background: var(--surface);
  color: var(--text);
  font-size: 1rem;
  line-height: 1.4;
  transition: border-color .25s, background-color .25s, box-shadow .25s;
  appearance: none;
  -webkit-appearance: none;
}
.field textarea { min-height: 140px; resize: vertical; }
.field input::placeholder,
.field textarea::placeholder { color: var(--text-3); opacity: 1; }
.field input:hover,
.field select:hover,
.field textarea:hover { border-color: var(--line-3); }
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--accent);
  background: rgb(var(--accent-rgb) / .05);
  box-shadow: 0 0 0 4px rgb(var(--accent-rgb) / .14);
}
.field.has-error input,
.field.has-error textarea,
.field.has-error select { border-color: rgb(var(--danger-rgb) / .7); }
.field.has-error input:focus,
.field.has-error textarea:focus { box-shadow: 0 0 0 4px rgb(var(--danger-rgb) / .14); }

.select-wrap { position: relative; }
.select-wrap select { padding-right: 44px; cursor: pointer; }
.select-wrap select option { background: var(--surface); color: var(--text); }
.select-wrap .icon {
  position: absolute;
  top: 50%;
  right: 14px;
  width: 18px;
  height: 18px;
  translate: 0 -50%;
  pointer-events: none;
  color: var(--text-3);
}

.field-hint { font-size: .8rem; color: var(--text-3); }
.field-meta { display: flex; justify-content: space-between; gap: 12px; }
.char-count { font-family: var(--font-mono); font-size: .75rem; color: var(--text-3); white-space: nowrap; }
.char-count.is-warn { color: var(--warning); }
.field-error {
  display: none;
  align-items: center;
  gap: 6px;
  font-size: .82rem;
  color: var(--danger);
}
.field.has-error .field-error { display: flex; }
.field-error::before {
  content: '!';
  display: grid;
  place-items: center;
  width: 15px;
  height: 15px;
  flex: none;
  border-radius: 50%;
  background: rgb(var(--danger-rgb) / .16);
  font-size: .65rem;
  font-weight: 600;
}

/* Opciones de tipo de proyecto (radios accesibles con aspecto de chips) */
.type-options { display: flex; flex-wrap: wrap; gap: 8px; }
.type-option { position: relative; }
.type-option input {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  min-height: 0;
  margin: 0;
  padding: 0;
  opacity: 0;
  cursor: pointer;
}
.type-option span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 42px;
  padding: 8px 14px;
  border: 1px solid var(--line-2);
  border-radius: 999px;
  background: rgb(var(--tint-rgb) / .02);
  font-size: .875rem;
  font-weight: 500;
  color: var(--text-2);
  transition: color .25s, border-color .25s, background-color .25s, box-shadow .25s;
}
.type-option .icon { width: 16px; height: 16px; color: var(--text-3); transition: color .25s; }
.type-option:hover span { border-color: var(--line-3); color: var(--text); }
.type-option input:checked + span {
  border-color: var(--accent-line);
  background: var(--accent-soft);
  color: var(--text);
  box-shadow: 0 0 0 1px rgb(var(--accent-rgb) / .25) inset;
}
.type-option input:checked + span .icon { color: var(--accent); }
.type-option input:focus-visible + span { outline: 2px solid var(--accent); outline-offset: 2px; }
.field.has-error .type-option span { border-color: rgb(var(--danger-rgb) / .45); }

/* Casilla de aceptación */
.check {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-family: var(--font-body) !important;
  font-size: .875rem !important;
  font-weight: 400 !important;
  line-height: 1.55;
  color: var(--text-2) !important;
  cursor: pointer;
}
.check input {
  position: absolute;
  top: 0;
  left: 0;
  width: 22px;
  height: 22px;
  min-height: 0;
  margin: 0;
  opacity: 0;
  cursor: pointer;
}
.check-box {
  display: grid;
  place-items: center;
  width: 22px;
  height: 22px;
  flex: none;
  border: 1px solid var(--line-3);
  border-radius: 7px;
  background: rgb(var(--tint-rgb) / .03);
  transition: background-color .25s, border-color .25s;
}
.check-box .icon {
  width: 14px;
  height: 14px;
  stroke-width: 2.6;
  color: var(--text-on-light);
  opacity: 0;
  scale: .6;
  transition: opacity .2s, scale .3s var(--ease-out);
}
.check input:checked + .check-box { background: var(--accent); border-color: var(--accent); }
.check input:checked + .check-box .icon { opacity: 1; scale: 1; }
.check input:focus-visible + .check-box { outline: 2px solid var(--accent); outline-offset: 3px; }
.check a { color: var(--text); text-underline-offset: 3px; }
.field.has-error .check-box { border-color: rgb(var(--danger-rgb) / .7); }

/* Honeypot: fuera de la vista y del árbol de accesibilidad */
.hp-field {
  position: absolute !important;
  left: -10000px !important;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

/* ---------- Diálogo (detalle de proyecto) ---------- */
.project-dialog {
  width: min(1080px, calc(100% - 24px));
  max-height: calc(100dvh - 24px);
  padding: 0;
  border: 1px solid var(--line-2);
  border-radius: var(--radius-xl);
  background: var(--surface);
  color: var(--text-2);
  box-shadow: var(--shadow-pop);
  overflow: hidden;
  opacity: 0;
  translate: 0 24px;
  scale: .98;
  transition: opacity .45s var(--ease-out), translate .55s var(--ease-out), scale .55s var(--ease-out), overlay .45s allow-discrete, display .45s allow-discrete;
}
.project-dialog[open] { opacity: 1; translate: 0 0; scale: 1; }
@starting-style {
  .project-dialog[open] { opacity: 0; translate: 0 24px; scale: .98; }
}
.project-dialog::backdrop {
  background: var(--backdrop);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
  opacity: 0;
  transition: opacity .45s var(--ease-out), overlay .45s allow-discrete, display .45s allow-discrete;
}
.project-dialog[open]::backdrop { opacity: 1; }
@starting-style {
  .project-dialog[open]::backdrop { opacity: 0; }
}
.pd-inner {
  max-height: calc(100dvh - 26px);
  overflow-y: auto;
  overscroll-behavior: contain;
}
.pd-close {
  position: sticky;
  top: 14px;
  z-index: 5;
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  margin: 14px 14px -58px auto;
  border: 1px solid var(--line-2);
  border-radius: 50%;
  background: var(--surface-glass);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  color: var(--text);
  transition: background-color .3s, transform .4s var(--ease-out);
}
.pd-close:hover { background: var(--surface-3); transform: rotate(90deg); }
.pd-media {
  display: flex;
  justify-content: center;
  padding: 56px clamp(16px, 4vw, 48px) 24px;
  background:
    radial-gradient(60% 80% at 50% 0%, rgb(var(--accent-rgb) / .12), transparent 70%),
    var(--bg-2);
  border-bottom: 1px solid var(--line);
}
.pd-media img {
  width: 100%;
  border-radius: var(--radius);
  border: 1px solid var(--line);
}
.pd-gallery { display: grid; gap: 16px; }
.pd-body { padding: clamp(24px, 4vw, 48px); }
.pd-title {
  margin-top: 16px;
  font-size: clamp(1.75rem, 1.4rem + 1.4vw, 2.4rem);
}
.pd-summary { margin-top: 14px; font-size: var(--fs-lead); max-width: 70ch; }
.pd-cols {
  display: grid;
  gap: 28px;
  margin-top: 36px;
}
@media (min-width: 760px) {
  .pd-cols { grid-template-columns: 1fr 1fr; }
  .pd-cols section:nth-child(3) { grid-column: 1 / -1; }
}
.pd-cols h3 {
  font-family: var(--font-display);
  margin-bottom: 12px;
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--accent-strong);
}
.pd-concept-note {
  display: flex;
  gap: 10px;
  margin-top: 32px;
  padding: 14px 16px;
  border: 1px solid rgb(var(--warning-rgb) / .2);
  border-radius: 12px;
  background: rgb(var(--warning-rgb) / .05);
  font-size: .875rem;
  color: var(--warning);
}
.pd-concept-note .icon { width: 18px; height: 18px; margin-top: 1px; color: var(--warning); }
.pd-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }

/* ---------- Footer ---------- */
.site-footer {
  position: relative;
  overflow: hidden;
  padding-top: clamp(72px, 9vw, 112px);
  border-top: 1px solid var(--line);
  background: linear-gradient(180deg, var(--bg) 0%, var(--bg-2) 100%);
}
.footer-top {
  display: grid;
  gap: 48px 32px;
}
@media (min-width: 640px) {
  .footer-top { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}
@media (min-width: 1024px) {
  .footer-top { grid-template-columns: minmax(0, 1.6fr) repeat(3, minmax(0, 1fr)); }
  .footer-brand { grid-column: auto; }
}
.footer-desc { max-width: 42ch; margin-top: 20px; }
.footer-location {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 16px;
  font-size: .875rem;
  color: var(--text-3);
}
.footer-location .icon { width: 16px; height: 16px; }
.footer-title {
  margin-bottom: 18px;
  font-family: var(--font-display);
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--text);
}
.footer-col ul { display: grid; gap: 4px; }
.footer-col a {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 36px;
  font-size: .925rem;
  color: var(--text-2);
  text-decoration: none;
  transition: color .25s;
}
.footer-col a:hover { color: var(--text); }
.footer-contact .icon { width: 17px; height: 17px; color: var(--accent); }
.socials { display: flex !important; gap: 8px; margin-top: 16px; }
.socials[hidden] { display: none !important; }
.socials a {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line-2);
  border-radius: 12px;
}
.socials a:hover { border-color: var(--accent-line); color: var(--text); }
.socials .icon { width: 18px; height: 18px; color: inherit; }

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 24px;
  margin-top: clamp(48px, 7vw, 80px);
  padding-block: 26px;
  border-top: 1px solid var(--line);
  font-size: .85rem;
  color: var(--text-3);
}
.footer-legal { display: flex; gap: 20px; }
.footer-legal a { color: var(--text-2); text-decoration: none; }
.footer-legal a:hover { color: var(--text); }
.footer-word {
  position: relative;
  margin-top: 8px;
  padding-inline: var(--gutter);
  color: transparent;
  pointer-events: none;
  user-select: none;
}
.footer-word svg {
  width: 100%;
  max-width: 1340px;
  height: auto;
  margin-inline: auto;
  margin-bottom: -3.1vw;
  color: rgb(var(--accent-rgb) / .06);
  --logo-sur: currentColor;
  -webkit-mask-image: linear-gradient(180deg, #000 10%, transparent 85%);
  mask-image: linear-gradient(180deg, #000 10%, transparent 85%);
}

/* ---------- Botón flotante de WhatsApp ---------- */
.wa-float {
  position: fixed;
  right: max(16px, env(safe-area-inset-right));
  bottom: max(16px, env(safe-area-inset-bottom));
  z-index: 80;
  display: grid;
  place-items: center;
  width: 54px;
  height: 54px;
  border: 1px solid var(--line-2);
  border-radius: 50%;
  background: var(--surface-2);
  color: var(--text);
  box-shadow: var(--shadow-pop);
  opacity: 0;
  translate: 0 16px;
  pointer-events: none;
  transition: opacity .4s var(--ease-out), translate .5s var(--ease-out), background-color .3s, border-color .3s;
}
.wa-float .icon { width: 24px; height: 24px; color: var(--whatsapp); }
.wa-float.is-visible { opacity: 1; translate: 0 0; pointer-events: auto; }
.wa-float:hover { background: var(--surface-3); border-color: color-mix(in srgb, var(--whatsapp) 45%, transparent); }

/* Bloquea el scroll de la página mientras el diálogo está abierto */
html:has(.project-dialog[open]) { overflow: hidden; }