/* ============================================================
   components.css — Componentes reutilizables webiapro.es
   ============================================================ */

/* ========================
   BOTONES
   ======================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-md);
  font-size: var(--text-base);
  font-weight: var(--weight-semibold);
  line-height: 1;
  transition: background-color var(--transition-base),
              color var(--transition-base),
              border-color var(--transition-base),
              box-shadow var(--transition-base),
              transform var(--transition-fast);
  cursor: pointer;
  text-decoration: none;
  border: 2px solid transparent;
  white-space: nowrap;
}

.btn:hover  { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

/* Variante primary */
.btn-primary {
  background-color: var(--color-accent);
  color: #fff;
  border-color: var(--color-accent);
}
.btn-primary:hover {
  background-color: var(--color-accent-dark);
  border-color: var(--color-accent-dark);
  box-shadow: var(--shadow-accent);
}

/* Variante secondary */
.btn-secondary {
  background-color: transparent;
  color: var(--color-accent);
  border-color: var(--color-accent);
}
.btn-secondary:hover {
  background-color: rgba(99,102,241,.1);
  box-shadow: var(--shadow-accent);
}

/* Variante ghost */
.btn-ghost {
  background-color: transparent;
  color: var(--color-text-secondary);
  border-color: transparent;
}
.btn-ghost:hover {
  color: var(--color-text);
  background-color: rgba(255,255,255,.05);
}

/* Variante WhatsApp */
.btn-whatsapp {
  background-color: #25D366;
  color: #fff;
  border-color: #25D366;
}
.btn-whatsapp:hover {
  background-color: #1ebe5c;
  border-color: #1ebe5c;
}

/* Tamaño grande */
.btn-lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-lg);
  border-radius: var(--radius-lg);
}

/* Tamaño pequeño */
.btn-sm {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
}

/* Icono SVG dentro del botón */
.btn svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

/* ========================
   HEADER
   ======================== */

.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-sticky);
  transition: background-color var(--transition-base),
              backdrop-filter var(--transition-base),
              box-shadow var(--transition-base);
  padding-block: var(--space-4);
}

/* Estado con scroll — fondo sólido */
.header.scrolled {
  background-color: rgba(15,23,42,.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 rgba(255,255,255,.05);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-padding);
}

/* Wordmark */
.wordmark {
  font-size: var(--text-xl);
  font-weight: var(--weight-bold);
  letter-spacing: -0.02em;
  flex-shrink: 0;
  text-decoration: none;
}

.wordmark__text  { color: var(--color-text); }
.wordmark__dot   { color: var(--color-accent); }
.wordmark__pro   { color: var(--color-text-secondary); }

/* Navegación desktop */
.nav {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

.nav__link {
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  transition: color var(--transition-fast);
  position: relative;
  padding-block: var(--space-1);
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-accent);
  border-radius: var(--radius-full);
  transition: width var(--transition-base);
}

.nav__link:hover,
.nav__link[aria-current="page"] {
  color: var(--color-text);
}

.nav__link:hover::after,
.nav__link[aria-current="page"]::after {
  width: 100%;
}

/* Selector de idioma */
.lang-selector {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.lang-selector__btn {
  padding: var(--space-1) var(--space-2);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  color: var(--color-text-muted);
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast),
              background-color var(--transition-fast);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.lang-selector__btn:hover {
  color: var(--color-text);
  background-color: rgba(255,255,255,.07);
}

.lang-selector__btn.active {
  color: var(--color-accent);
  background-color: rgba(99,102,241,.12);
}

.lang-selector__sep {
  color: var(--color-border);
  font-size: var(--text-xs);
  user-select: none;
}

/* Header right — CTA + idioma */
.header__right {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

/* Hamburguesa mobile */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  border-radius: var(--radius-sm);
  transition: background-color var(--transition-fast);
}

.hamburger:hover { background-color: rgba(255,255,255,.07); }

.hamburger__line {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--color-text);
  border-radius: var(--radius-full);
  transition: transform var(--transition-base),
              opacity var(--transition-base);
  transform-origin: center;
}

.hamburger[aria-expanded="true"] .hamburger__line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.hamburger[aria-expanded="true"] .hamburger__line:nth-child(2) {
  opacity: 0;
}
.hamburger[aria-expanded="true"] .hamburger__line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Menú mobile */
.mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  top: 0;
  z-index: calc(var(--z-sticky) - 1);
  background-color: var(--color-primary);
  padding-top: 80px;
  padding-inline: var(--container-padding);
  padding-bottom: var(--space-8);
  overflow-y: auto;
}

.mobile-menu.open {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.mobile-menu__link {
  display: block;
  padding: var(--space-4);
  font-size: var(--text-lg);
  font-weight: var(--weight-medium);
  color: var(--color-text-secondary);
  border-radius: var(--radius-md);
  transition: color var(--transition-fast),
              background-color var(--transition-fast);
  border-bottom: 1px solid var(--color-border-light);
}

.mobile-menu__link:hover {
  color: var(--color-text);
  background-color: var(--color-surface);
}

.mobile-menu__cta {
  margin-top: var(--space-6);
}

.mobile-menu__lang {
  display: flex;
  gap: var(--space-3);
  margin-top: var(--space-4);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border);
}

/* Responsive header */
@media (max-width: 768px) {
  .nav,
  .header__right .btn,
  .lang-selector { display: none; }

  .hamburger { display: flex; }
}

/* ========================
   FOOTER
   ======================== */

.footer {
  background-color: var(--color-primary-dark);
  border-top: 1px solid var(--color-border-light);
  padding-block: var(--space-12);
}

.footer__inner {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: var(--space-8);
  align-items: start;
}

.footer__brand { display: flex; flex-direction: column; gap: var(--space-3); }

.footer__tagline {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-top: var(--space-2);
}

.footer__nav {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.footer__nav-link {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
}

.footer__nav-link:hover { color: var(--color-text); }

.footer__contact {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer__bottom {
  margin-top: var(--space-8);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border-light);
  text-align: center;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

@media (max-width: 768px) {
  .footer__inner {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
}

/* ========================
   FAQ ACCORDION
   ======================== */

.faq {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  max-width: 720px;
  margin-inline: auto;
}

.faq__item {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.faq__trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-6);
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  font-size: var(--text-base);
  font-weight: var(--weight-semibold);
  color: var(--color-text);
  transition: color var(--transition-fast);
}

.faq__trigger:hover { color: var(--color-accent-light); }

.faq__icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  font-size: var(--text-xl);
  font-weight: var(--weight-bold);
  transition: transform var(--transition-base);
  line-height: 1;
}

.faq__item.open .faq__icon { transform: rotate(45deg); }

.faq__body {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow);
}

.faq__item.open .faq__body { max-height: 500px; }

.faq__answer {
  padding: 0 var(--space-6) var(--space-6);
  color: var(--color-text-secondary);
  line-height: var(--leading-loose);
  font-size: var(--text-base);
}

/* ========================
   CARD SERVICIO
   ======================== */

.service-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  transition: box-shadow var(--transition-base),
              border-color var(--transition-base);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.service-card:hover {
  box-shadow: var(--shadow-accent);
  border-color: rgba(99,102,241,.4);
}

.service-card__name {
  font-size: var(--text-xl);
  font-weight: var(--weight-bold);
  color: var(--color-text);
}

.service-card__price {
  font-size: var(--text-3xl);
  font-weight: var(--weight-bold);
  color: var(--color-accent);
  line-height: 1;
}

.service-card__description {
  color: var(--color-text-secondary);
  font-size: var(--text-base);
}

.service-card__includes {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-top: var(--space-2);
}

.service-card__include-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

.service-card__include-item::before {
  content: '✓';
  color: var(--color-accent);
  font-weight: var(--weight-bold);
  flex-shrink: 0;
}

.service-card__note {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-4);
  margin-top: auto;
}

/* Módulo (variante compacta) */
.module-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-6);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
  transition: box-shadow var(--transition-base),
              border-color var(--transition-base);
}

.module-card:hover {
  box-shadow: var(--shadow-accent);
  border-color: rgba(99,102,241,.3);
}

.module-card__info { flex: 1; }
.module-card__name {
  font-size: var(--text-base);
  font-weight: var(--weight-semibold);
  color: var(--color-text);
}
.module-card__desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-top: var(--space-1);
}
.module-card__price {
  font-size: var(--text-xl);
  font-weight: var(--weight-bold);
  color: var(--color-accent);
  flex-shrink: 0;
}

/* ========================
   STEP (PROCESO)
   ======================== */

.steps {
  display: flex;
  flex-direction: column;
  gap: 0;
  position: relative;
  max-width: 680px;
  margin-inline: auto;
}

.step {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: var(--space-6);
  position: relative;
  padding-bottom: var(--space-10);
}

.step:last-child { padding-bottom: 0; }

/* Línea conectora vertical */
.step:not(:last-child)::before {
  content: '';
  position: absolute;
  top: 56px;
  left: 27px;
  width: 2px;
  height: calc(100% - 56px);
  background: linear-gradient(to bottom, var(--color-accent), transparent);
}

.step__number {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background-color: rgba(99,102,241,.15);
  border: 2px solid var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-xl);
  font-weight: var(--weight-bold);
  color: var(--color-accent);
  flex-shrink: 0;
  position: relative;
  z-index: 1;
}

.step__content { padding-top: var(--space-3); }

.step__day {
  font-size: var(--text-sm);
  color: var(--color-accent-light);
  font-weight: var(--weight-medium);
  margin-bottom: var(--space-1);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.step__title {
  font-size: var(--text-xl);
  font-weight: var(--weight-bold);
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.step__text {
  color: var(--color-text-secondary);
  line-height: var(--leading-base);
}

/* ========================
   PILAR (PILLAR CARD)
   ======================== */

.pillar-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  text-align: center;
  transition: box-shadow var(--transition-base),
              border-color var(--transition-base);
}

.pillar-card:hover {
  box-shadow: var(--shadow-accent);
  border-color: rgba(99,102,241,.3);
}

.pillar-card__icon {
  width: 48px;
  height: 48px;
  background-color: rgba(99,102,241,.15);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-inline: auto;
  margin-bottom: var(--space-4);
  font-size: 24px;
}

.pillar-card__title {
  font-size: var(--text-lg);
  font-weight: var(--weight-bold);
  color: var(--color-text);
  margin-bottom: var(--space-3);
}

.pillar-card__text {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-base);
}

/* ========================
   PROYECTO TIPO
   ======================== */

.typical-project {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.typical-project__name {
  font-size: var(--text-lg);
  font-weight: var(--weight-bold);
  color: var(--color-text);
}

.typical-project__modules {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: var(--leading-base);
}

.typical-project__price {
  font-size: var(--text-3xl);
  font-weight: var(--weight-bold);
  color: var(--color-accent);
  line-height: 1;
}

.typical-project__market {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-decoration: line-through;
}

/* ========================
   CTA FINAL BANNER
   ======================== */

.cta-banner {
  background: linear-gradient(135deg, var(--color-surface), var(--color-primary-light));
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-16) var(--space-8);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-6);
}

.cta-banner__title {
  font-size: var(--text-3xl);
  font-weight: var(--weight-bold);
}

.cta-banner__text {
  max-width: 560px;
  font-size: var(--text-lg);
}

.cta-banner__buttons {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
  justify-content: center;
}

.cta-banner__subtext {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

@media (max-width: 768px) {
  .cta-banner { padding: var(--space-12) var(--space-6); }
  .cta-banner__title { font-size: var(--text-2xl); }
  .cta-banner__buttons { flex-direction: column; width: 100%; }
  .cta-banner__buttons .btn { width: 100%; justify-content: center; }
}