/* ==========================================================================
   Componentes reutilizables
   ========================================================================== */

/* ---------- Botones ---------- */

.btn {
  --btn-h: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  min-height: var(--btn-h);
  padding: 0.5rem 1.4rem;
  border: 1px solid transparent;
  border-radius: var(--radius-pill);
  font-size: var(--fs-sm);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.005em;
  text-align: center;
  white-space: nowrap;
  transition:
    background-color var(--dur-fast) ease,
    border-color var(--dur-fast) ease,
    color var(--dur-fast) ease,
    box-shadow var(--dur) var(--ease-out),
    transform var(--dur) var(--ease-out);
}

.btn .icon {
  width: 18px;
  height: 18px;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn:active {
  transform: translateY(0);
}

.btn:hover .icon:last-child:not(:first-child) {
  transform: translateX(3px);
}

.btn .icon:last-child:not(:first-child) {
  transition: transform var(--dur) var(--ease-out);
}

.btn--primary {
  background: var(--amber-500);
  color: var(--ink-900);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.35);
}

.btn--primary:hover {
  background: var(--amber-400);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.35),
    0 10px 28px -10px rgba(244, 165, 36, 0.7);
}

.btn--ghost {
  border-color: var(--line-dark-strong);
  color: var(--text-on-dark);
}

.btn--ghost:hover {
  border-color: rgba(246, 245, 240, 0.32);
  background: rgba(246, 245, 240, 0.06);
}

.btn--dark {
  background: var(--ink-900);
  color: var(--text-on-dark);
}

.btn--dark:hover {
  background: var(--ink-700);
  box-shadow: 0 10px 24px -12px rgba(15, 26, 44, 0.6);
}

.btn--dark .icon:first-child {
  color: var(--amber-400);
}

.btn--outline {
  border-color: var(--line-light-strong);
  color: var(--ink-900);
}

.btn--outline:hover {
  border-color: var(--ink-900);
}

.btn--sm {
  --btn-h: 40px;
  padding-inline: 1.05rem;
  font-size: 0.875rem;
}

.btn--lg {
  --btn-h: 54px;
  padding-inline: 1.6rem;
  font-size: var(--fs-base);
}

.btn--block {
  width: 100%;
}

/* ---------- Enlace con flecha ---------- */

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--ink-900);
}

.link-arrow .icon {
  width: 16px;
  height: 16px;
  color: var(--amber-600);
  transition: transform var(--dur) var(--ease-out);
}

.link-arrow:hover .icon {
  transform: translateX(4px);
}

.section--dark .link-arrow,
.industries .link-arrow {
  color: var(--amber-400);
}

.section--dark .link-arrow .icon,
.industries .link-arrow .icon {
  color: currentColor;
}

/* ---------- Header ---------- */

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  height: var(--header-h);
  border-bottom: 1px solid transparent;
  transition:
    background-color var(--dur) ease,
    border-color var(--dur) ease,
    backdrop-filter var(--dur) ease;
}

.site-header.is-scrolled,
.site-header.is-solid {
  background: rgba(10, 18, 33, 0.82);
  border-bottom-color: var(--line-dark);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  backdrop-filter: blur(14px) saturate(140%);
}

.site-header__inner {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  height: 100%;
}

.site-header__brand {
  flex: none;
  padding-block: 0.5rem;
  margin-right: auto;
}

.site-header__brand img {
  width: 128px;
  height: auto;
}

.site-nav__list {
  display: flex;
  gap: 0.25rem;
}

.site-nav__link {
  position: relative;
  display: block;
  padding: 0.5rem 0.85rem;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-on-dark-muted);
  transition: color var(--dur-fast) ease;
}

.site-nav__link:hover,
.site-nav__link.is-active {
  color: var(--text-on-dark);
}

/* El punto activo replica el punto del logo. */
.site-nav__link::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -2px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--amber-500);
  transform: translateX(-50%) scale(0);
  transition: transform var(--dur) var(--ease-out);
}

.site-nav__link.is-active::after {
  transform: translateX(-50%) scale(1);
}

.site-nav__mobile-footer {
  display: none;
}

.menu-toggle {
  display: none;
  place-items: center;
  width: 44px;
  height: 44px;
  margin-right: -0.5rem;
  border: 0;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--text-on-dark);
}

.menu-toggle__bars {
  position: relative;
  width: 22px;
  height: 12px;
}

.menu-toggle__bars span {
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  border-radius: 2px;
  background: currentColor;
  transition:
    transform var(--dur) var(--ease-out),
    top var(--dur) var(--ease-out);
}

.menu-toggle__bars span:first-child {
  top: 0;
}

.menu-toggle__bars span:last-child {
  top: 10px;
}

.menu-toggle[aria-expanded="true"] .menu-toggle__bars span:first-child {
  top: 5px;
  transform: rotate(45deg);
}

.menu-toggle[aria-expanded="true"] .menu-toggle__bars span:last-child {
  top: 5px;
  transform: rotate(-45deg);
}

@media (max-width: 960px) {
  .menu-toggle {
    display: grid;
  }

  .site-header.is-menu-open {
    background: var(--ink-950);
    border-bottom-color: var(--line-dark);
  }

  .site-nav {
    position: fixed;
    inset: var(--header-h) 0 0;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 2rem;
    padding: 1.5rem var(--gutter) calc(1.5rem + env(safe-area-inset-bottom));
    background: var(--ink-950);
    overflow-y: auto;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition:
      opacity var(--dur) var(--ease-out),
      transform var(--dur) var(--ease-out),
      visibility 0s linear var(--dur);
  }

  .site-header.is-menu-open .site-nav {
    opacity: 1;
    visibility: visible;
    transform: none;
    transition:
      opacity var(--dur) var(--ease-out),
      transform var(--dur) var(--ease-out),
      visibility 0s;
  }

  .site-nav__list {
    flex-direction: column;
    gap: 0;
  }

  .site-nav__list li {
    border-bottom: 1px solid var(--line-dark);
    opacity: 0;
    transform: translateY(10px);
    transition:
      opacity var(--dur) var(--ease-out),
      transform var(--dur) var(--ease-out);
  }

  .site-header.is-menu-open .site-nav__list li {
    opacity: 1;
    transform: none;
  }

  .site-header.is-menu-open .site-nav__list li:nth-child(2) { transition-delay: 40ms; }
  .site-header.is-menu-open .site-nav__list li:nth-child(3) { transition-delay: 80ms; }
  .site-header.is-menu-open .site-nav__list li:nth-child(4) { transition-delay: 120ms; }
  .site-header.is-menu-open .site-nav__list li:nth-child(5) { transition-delay: 160ms; }

  .site-nav__link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.1rem 0;
    font-size: 1.375rem;
    font-weight: 500;
    letter-spacing: -0.02em;
  }

  .site-nav__link::after {
    position: static;
    transform: scale(0);
  }

  .site-nav__link.is-active::after {
    transform: scale(1.4);
  }

  .site-nav__mobile-footer {
    display: grid;
    gap: 1rem;
  }

  .site-nav__tagline {
    text-align: center;
    font-size: var(--fs-sm);
    color: var(--text-on-dark-muted);
  }
}

/* ---------- WhatsApp: líneas ---------- */

.wa-line {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0.8rem 0.95rem;
  border: 1px solid var(--line-light);
  border-radius: 14px;
  background: var(--white);
  transition:
    border-color var(--dur-fast) ease,
    background-color var(--dur-fast) ease,
    transform var(--dur) var(--ease-out);
}

.wa-line:hover {
  border-color: var(--amber-500);
  background: var(--cream-50);
}

.wa-line__icon {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  flex: none;
  border-radius: 50%;
  background: rgba(244, 165, 36, 0.16);
  color: var(--amber-700);
}

.wa-line__icon .icon {
  width: 20px;
  height: 20px;
}

.wa-line__text {
  display: grid;
  min-width: 0;
  line-height: 1.35;
}

.wa-line__label {
  font-size: var(--fs-xs);
  color: var(--text-muted);
}

.wa-line__number {
  font-weight: 600;
  color: var(--ink-900);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.wa-line__arrow {
  width: 18px;
  height: 18px;
  margin-left: auto;
  color: var(--text-muted);
  transition: transform var(--dur) var(--ease-out), color var(--dur-fast) ease;
}

.wa-line:hover .wa-line__arrow {
  color: var(--amber-600);
  transform: translateX(3px);
}

.section--dark .wa-line {
  border-color: var(--line-dark-strong);
  background: rgba(246, 245, 240, 0.03);
}

.section--dark .wa-line:hover {
  border-color: var(--amber-500);
  background: rgba(244, 165, 36, 0.06);
}

.section--dark .wa-line__icon {
  background: var(--amber-500);
  color: var(--ink-900);
}

.section--dark .wa-line__label {
  color: var(--text-on-dark-muted);
}

.section--dark .wa-line__number {
  color: var(--text-on-dark);
}

.wa-line--large {
  padding: 1rem 1.1rem;
}

.wa-line--large .wa-line__icon {
  width: 46px;
  height: 46px;
}

.wa-line--large .wa-line__number {
  font-size: var(--fs-md);
}

@media (max-width: 380px) {
  .wa-line--large {
    gap: 0.7rem;
    padding: 0.85rem 0.9rem;
  }

  .wa-line--large .wa-line__icon {
    width: 40px;
    height: 40px;
  }

  .wa-line--large .wa-line__number {
    font-size: var(--fs-sm);
  }
}

/* ---------- WhatsApp: botón flotante ---------- */

.wa-float {
  position: fixed;
  right: max(1rem, env(safe-area-inset-right));
  bottom: max(1rem, env(safe-area-inset-bottom));
  z-index: 90;
}

.wa-float__button {
  position: relative;
  display: grid;
  place-items: center;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: var(--amber-500);
  color: var(--ink-900);
  box-shadow:
    0 0 0 1px rgba(15, 26, 44, 0.08),
    0 14px 30px -10px rgba(10, 18, 33, 0.55);
  transition:
    transform var(--dur) var(--ease-out),
    background-color var(--dur-fast) ease,
    opacity var(--dur) ease;
}

.wa-float__button:hover {
  background: var(--amber-400);
  transform: scale(1.05);
}

.wa-float__button .icon {
  position: absolute;
  width: 26px;
  height: 26px;
  transition: transform var(--dur) var(--ease-out), opacity var(--dur-fast) ease;
}

.wa-float__icon-close {
  opacity: 0;
  transform: rotate(-90deg);
}

.wa-float.is-open .wa-float__icon {
  opacity: 0;
  transform: rotate(90deg);
}

.wa-float.is-open .wa-float__icon-close {
  opacity: 1;
  transform: none;
}

/* Con JS el botón aparece recién después del hero, donde ya hay un CTA visible. */
.js .wa-float:not(.is-visible):not(.is-open) .wa-float__button {
  opacity: 0;
  transform: translateY(16px) scale(0.9);
  pointer-events: none;
}

.wa-float__panel {
  position: absolute;
  right: 0;
  bottom: calc(100% + 12px);
  width: min(330px, calc(100vw - 2rem));
  padding: 1.1rem;
  border-radius: 20px;
  background: var(--white);
  box-shadow: var(--shadow-lg), 0 0 0 1px var(--line-light);
  transform-origin: bottom right;
  animation: pop-in var(--dur) var(--ease-out);
}

.wa-float__panel[hidden] {
  display: none;
}

.wa-float__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.wa-float__title {
  font-weight: 600;
  color: var(--ink-900);
}

.wa-float__close {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  margin: -0.25rem -0.25rem -0.25rem 0;
  border: 0;
  border-radius: 50%;
  background: transparent;
  color: var(--text-muted);
}

.wa-float__close:hover {
  background: var(--cream-100);
  color: var(--ink-900);
}

.wa-float__close .icon {
  width: 18px;
  height: 18px;
}

.wa-float__text {
  margin: 0.25rem 0 0.9rem;
  font-size: var(--fs-xs);
  line-height: 1.5;
  color: var(--text-muted);
}

.wa-float__lines {
  display: grid;
  gap: 0.5rem;
}

@keyframes pop-in {
  from {
    opacity: 0;
    transform: translateY(8px) scale(0.97);
  }
}

/* ---------- Tabs ---------- */

.tabs {
  display: grid;
  gap: 1.5rem;
}

.tabs__list {
  display: flex;
  gap: 0.5rem;
  margin-inline: calc(var(--gutter) * -1);
  padding: 0 var(--gutter) 0.25rem;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  scrollbar-width: none;
}

.tabs__list::-webkit-scrollbar {
  display: none;
}

/* Sin JS no hay pestañas: se muestran todos los rubros uno debajo del otro. */
html:not(.js) .tabs__list {
  display: none;
}

.tabs__tab {
  flex: none;
  padding: 0.6rem 1rem;
  border: 1px solid var(--line-dark-strong);
  border-radius: var(--radius-pill);
  background: transparent;
  color: var(--text-on-dark-muted);
  font-size: var(--fs-sm);
  font-weight: 500;
  text-align: left;
  scroll-snap-align: start;
  transition:
    color var(--dur-fast) ease,
    background-color var(--dur-fast) ease,
    border-color var(--dur-fast) ease;
}

.tabs__tab:hover {
  color: var(--text-on-dark);
  border-color: rgba(246, 245, 240, 0.3);
}

.tabs__tab[aria-selected="true"] {
  border-color: var(--amber-500);
  background: rgba(244, 165, 36, 0.12);
  color: var(--text-on-dark);
}

.js .tabs__panel:not(.is-active) {
  display: none;
}

html:not(.js) .tabs__panel + .tabs__panel {
  padding-top: 1.5rem;
  border-top: 1px solid var(--line-dark);
}

.tabs__panel:focus-visible {
  outline-offset: 6px;
}

.js .tabs__panel.is-active {
  animation: panel-in 450ms var(--ease-out);
}

.tabs__panel-title {
  font-size: clamp(1.375rem, 1.2rem + 0.8vw, 1.75rem);
  letter-spacing: -0.025em;
}

.tabs__panel-grid {
  display: grid;
  gap: 1.75rem;
  margin: 1.5rem 0 1.75rem;
}

.tabs__label {
  margin-bottom: 0.6rem;
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--amber-400);
}

.tabs__challenge {
  font-size: var(--fs-md);
  color: var(--text-on-dark);
}

.tabs__panel .check-list {
  color: var(--text-on-dark);
}

.tabs__panel .check-list .icon {
  background: rgba(244, 165, 36, 0.16);
  color: var(--amber-400);
}

@keyframes panel-in {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
}

@media (min-width: 900px) {
  .tabs {
    grid-template-columns: 250px 1fr;
    gap: clamp(2rem, 4vw, 4rem);
    align-items: start;
  }

  .tabs__list {
    flex-direction: column;
    gap: 0.25rem;
    margin: 0;
    padding: 0;
    overflow: visible;
  }

  .tabs__tab {
    position: relative;
    padding: 0.75rem 1rem 0.75rem 1.6rem;
    border: 0;
    border-radius: var(--radius-sm);
  }

  .tabs__tab::before {
    content: "";
    position: absolute;
    left: 0.75rem;
    top: 50%;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: currentColor;
    opacity: 0.4;
    transform: translateY(-50%);
    transition: background-color var(--dur-fast) ease, opacity var(--dur-fast) ease;
  }

  .tabs__tab:hover {
    background: rgba(246, 245, 240, 0.04);
  }

  .tabs__tab[aria-selected="true"] {
    background: rgba(244, 165, 36, 0.1);
  }

  .tabs__tab[aria-selected="true"]::before {
    background: var(--amber-500);
    opacity: 1;
  }

  .tabs__panel-grid {
    grid-template-columns: 1fr 1.15fr;
    gap: 2.5rem;
  }
}

/* ---------- Acordeón ---------- */

.accordion {
  border-top: 1px solid var(--line-light);
  interpolate-size: allow-keywords;
}

.accordion__item {
  border-bottom: 1px solid var(--line-light);
}

.accordion__question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1.35rem 0;
  font-size: var(--fs-md);
  font-weight: 600;
  line-height: 1.4;
  color: var(--ink-900);
  list-style: none;
  cursor: pointer;
  transition: color var(--dur-fast) ease;
}

.accordion__question::-webkit-details-marker {
  display: none;
}

.accordion__question:hover {
  color: var(--ink-600);
}

.accordion__icon {
  display: block;
  width: 32px;
  height: 32px;
  padding: 7px;
  border: 1px solid var(--line-light-strong);
  border-radius: 50%;
  color: var(--ink-900);
  transition:
    transform var(--dur) var(--ease-out),
    background-color var(--dur-fast) ease,
    border-color var(--dur-fast) ease;
}

.accordion__item[open] .accordion__icon {
  transform: rotate(45deg);
  background: var(--amber-500);
  border-color: var(--amber-500);
}

.accordion__answer {
  padding: 0 3rem 1.5rem 0;
  color: var(--text-muted);
}

.accordion__item::details-content {
  block-size: 0;
  overflow: hidden;
  transition:
    block-size var(--dur) var(--ease-out),
    content-visibility var(--dur) allow-discrete;
}

.accordion__item[open]::details-content {
  block-size: auto;
}

/* ---------- Formulario ---------- */

.form {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.1rem;
  padding: clamp(1.25rem, 0.8rem + 2vw, 2.25rem);
  border: 1px solid var(--line-dark-strong);
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, rgba(246, 245, 240, 0.05), rgba(246, 245, 240, 0.02));
}

.form__title {
  font-size: 1.25rem;
  letter-spacing: -0.02em;
}

.form__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.1rem;
}

@media (min-width: 560px) {
  .form__row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.form__trap {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.form__alert {
  padding: 0.8rem 1rem;
  border: 1px solid rgba(255, 150, 120, 0.35);
  border-radius: var(--radius-sm);
  background: rgba(255, 150, 120, 0.1);
  color: #ffc9b8;
  font-size: var(--fs-sm);
}

.form__note {
  font-size: var(--fs-xs);
  line-height: 1.5;
  color: var(--text-on-dark-muted);
  text-align: center;
}

.form__status:empty {
  display: none;
}

.form__status {
  font-size: var(--fs-sm);
  color: var(--amber-300);
  text-align: center;
}

.field {
  display: grid;
  gap: 0.45rem;
  min-width: 0;
}

.field__label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-on-dark);
}

.field__optional {
  font-weight: 400;
  color: var(--text-on-dark-muted);
}

.field__input {
  width: 100%;
  min-height: 50px;
  padding: 0.75rem 0.95rem;
  border: 1px solid var(--line-dark-strong);
  border-radius: 12px;
  background: rgba(10, 18, 33, 0.55);
  color: var(--text-on-dark);
  font-size: 1rem; /* 16px evita el zoom automático en iOS */
  line-height: 1.5;
  transition: border-color var(--dur-fast) ease, box-shadow var(--dur-fast) ease;
}

.field__input::placeholder {
  color: #7f8aa0;
}

.field__input:hover {
  border-color: rgba(246, 245, 240, 0.28);
}

.field__input:focus {
  outline: none;
  border-color: var(--amber-500);
  box-shadow: 0 0 0 3px rgba(244, 165, 36, 0.2);
}

.field__input[aria-invalid="true"] {
  border-color: #ff9f85;
}

textarea.field__input {
  min-height: 120px;
  resize: vertical;
}

.field__select {
  position: relative;
}

.field__select select {
  appearance: none;
  padding-right: 2.75rem;
  cursor: pointer;
}

.field__select select option {
  background: var(--ink-900);
  color: var(--text-on-dark);
}

.field__select::after {
  content: "";
  position: absolute;
  right: 1.1rem;
  top: 50%;
  width: 8px;
  height: 8px;
  border-right: 2px solid var(--text-on-dark-muted);
  border-bottom: 2px solid var(--text-on-dark-muted);
  transform: translateY(-70%) rotate(45deg);
  pointer-events: none;
}

.field__error {
  font-size: var(--fs-xs);
  color: #ffb39e;
}

.field__error:empty {
  display: none;
}