/* ============================================
   05-SECTIONS.CSS — Cómo funciona, Pricing, Contacto, Footer
   ============================================ */

.section {
  position: relative;
  padding: var(--sp-16) 0;
  z-index: var(--z-content);
}

.section__container {
  max-width: var(--maxw-content);
  margin: 0 auto;
  padding: 0 var(--pad-page);
}

.section__container--narrow { max-width: var(--maxw-narrow); }

.section__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--f-mono);
  font-size: var(--fs-xs);
  letter-spacing: var(--tracking-wider);
  color: var(--c-purple-glow);
  margin-bottom: var(--sp-5);
}

.section__title {
  font-family: var(--f-display);
  font-size: var(--fs-display);
  font-weight: 500;
  line-height: var(--lh-tight);
  letter-spacing: var(--tracking-tight);
  color: var(--c-white);
  margin-bottom: var(--sp-5);
}

.section__title--accent {
  background: linear-gradient(135deg, var(--c-purple-glow), var(--c-white));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.section__sub {
  font-size: var(--fs-md);
  color: var(--c-muted);
  max-width: 560px;
  margin-bottom: var(--sp-10);
}

/* ============ CÓMO FUNCIONA ============ */
.how__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--sp-5);
  margin-top: var(--sp-10);
}

.how__card {
  position: relative;
  padding: var(--sp-6);
  background: linear-gradient(180deg, var(--c-surface) 0%, var(--c-bg-soft) 100%);
  border: 1px solid var(--c-border-soft);
  border-radius: var(--r-lg);
  overflow: hidden;
  transition: all var(--dur-base) var(--ease-out);
}

.how__card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--c-purple-glow), transparent);
  opacity: 0;
  transition: opacity var(--dur-base) var(--ease-out);
}

.how__card:hover {
  transform: translateY(-4px);
  border-color: var(--c-purple-soft);
  box-shadow: var(--shadow-card);
}

.how__card:hover::before { opacity: 1; }

.how__icon-wrapper {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--sp-5);
}


.how__icon {
  width: 28px;
  height: 28px;
  color: var(--c-purple-glow);
  opacity: 0.7;
  transition: all var(--dur-base) var(--ease-out);
}

.how__card:hover .how__icon {
  opacity: 1;
  transform: scale(1.1) rotate(-5deg);
  color: var(--c-white);
}

.how__card h3 {
  font-family: var(--f-display);
  font-size: var(--fs-lg);
  color: var(--c-white);
  margin-bottom: var(--sp-3);
}

.how__card p {
  color: var(--c-muted);
  line-height: var(--lh-normal);
}

/* ============ PRICING ============ */
.pricing__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--sp-5);
  margin-top: var(--sp-10);
  align-items: stretch;
}

.pricing__card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: var(--sp-6);
  background: linear-gradient(180deg, var(--c-surface) 0%, var(--c-bg-soft) 100%);
  border: 1px solid var(--c-border-soft);
  border-radius: var(--r-lg);
  transition: all var(--dur-base) var(--ease-out);
}

.pricing__card:hover {
  transform: translateY(-4px);
  border-color: var(--c-purple-soft);
}

.pricing__card--featured {
  border-color: var(--c-purple);
  background: linear-gradient(180deg, oklch(0.20 0.10 295 / 0.5) 0%, var(--c-bg-soft) 100%);
  box-shadow: var(--shadow-glow);
  transform: scale(1.02);
}

.pricing__card--featured:hover { transform: scale(1.02) translateY(-4px); }

.pricing__badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  padding: var(--sp-1) var(--sp-3);
  background: var(--g-purple);
  color: var(--c-white);
  font-family: var(--f-mono);
  font-size: var(--fs-xs);
  letter-spacing: var(--tracking-wider);
  border-radius: var(--r-pill);
  white-space: nowrap;
}

.pricing__card header { margin-bottom: var(--sp-5); }

.pricing__title-row {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  margin-bottom: var(--sp-3);
}

.pricing__icon {
  width: 24px;
  height: 24px;
  color: var(--c-purple-glow);
}

.pricing__card h3 {
  font-family: var(--f-display);
  font-size: var(--fs-md);
  color: var(--c-white);
  margin: 0;
}

.pricing__price {
  font-family: var(--f-display);
  font-size: var(--fs-xl);
  font-weight: 700;
  color: var(--c-white);
  display: flex;
  align-items: baseline;
  gap: var(--sp-1);
}

.pricing__price span {
  font-size: 0.6em;
  color: var(--c-purple-glow);
}

.pricing__price small {
  font-family: var(--f-mono);
  font-size: var(--fs-xs);
  color: var(--c-muted);
  letter-spacing: var(--tracking-wide);
  margin-left: var(--sp-2);
  font-weight: 400;
}

.pricing__list {
  flex: 1;
  margin-bottom: var(--sp-6);
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
}

.pricing__list li {
  position: relative;
  padding-left: var(--sp-6);
  color: var(--c-white-soft);
  font-size: var(--fs-sm);
}

.pricing__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.5em;
  width: 14px;
  height: 1px;
  background: var(--c-purple-glow);
}

/* ============ CONTACTO ============ */
.contact__form {
  display: flex;
  flex-direction: column;
  gap: var(--sp-5);
  margin-top: var(--sp-8);
}

.contact__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-4);
}

.contact__field {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}

.contact__field span {
  font-family: var(--f-mono);
  font-size: var(--fs-xs);
  letter-spacing: var(--tracking-wide);
  color: var(--c-muted);
  text-transform: uppercase;
  transition: color var(--dur-base) var(--ease-out);
}

.contact__field input,
.contact__field textarea,
.contact__field select {
  padding: var(--sp-4);
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--r-md);
  color: var(--c-white);
  font-family: var(--f-body);
  font-size: var(--fs-base);
  transition: all var(--dur-base) var(--ease-out);
  resize: vertical;
  width: 100%;
}

.contact__field select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M2 4l4 4 4-4' stroke='%23888' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--sp-4) center;
  padding-right: calc(var(--sp-4) * 2 + 12px);
}

.contact__field select option {
  background: var(--c-bg, #0a0612);
  color: var(--c-white);
}

.contact__field input::placeholder,
.contact__field textarea::placeholder {
  color: oklch(0.55 0.03 280);
}

.contact__field input:focus,
.contact__field textarea:focus,
.contact__field select:focus {
  outline: none;
  border-color: var(--c-blue-glow, var(--c-purple-glow));
  background: oklch(0.16 0.05 255 / 0.5);
  box-shadow: 0 0 0 3px oklch(0.62 0.24 255 / 0.15);
}

/* Estado error */
.contact__field--error span {
  color: oklch(0.7 0.22 25);
}
.contact__field--error input,
.contact__field--error textarea,
.contact__field--error select {
  border-color: oklch(0.6 0.22 25);
  box-shadow: 0 0 0 3px oklch(0.6 0.22 25 / 0.15);
}

/* Honeypot anti-spam */
.contact__honeypot {
  position: absolute;
  width: 0;
  height: 0;
  opacity: 0;
  pointer-events: none;
}

/* Botón con estados */
.contact__submit { position: relative; overflow: hidden; }

.contact__submit-text,
.contact__submit-loading,
.contact__submit-success,
.contact__submit-error {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  transition: all 0.25s var(--ease-out);
}

.contact__submit-loading,
.contact__submit-success,
.contact__submit-error {
  position: absolute;
  inset: 0;
  display: flex;
}

/* Ocultos por defecto */
.contact__submit [aria-hidden="true"] { opacity: 0; pointer-events: none; }
.contact__submit [aria-hidden="false"] { opacity: 1; pointer-events: auto; }

/* Spinner animado */
.contact__spinner {
  width: 18px;
  height: 18px;
  animation: spin 0.9s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* Animación stroke del spinner */
.contact__spinner circle {
  stroke-dasharray: 40;
  stroke-dashoffset: 10;
  transform-origin: center;
}

/* Estado success — verde suave */
.contact__submit[data-state="success"] {
  background: oklch(0.5 0.18 145);
  border-color: oklch(0.5 0.18 145);
}
/* Estado error — rojo suave */
.contact__submit[data-state="error"] {
  background: oklch(0.45 0.2 25);
  border-color: oklch(0.45 0.2 25);
}

/* Nota de pie del form */
.contact__notice {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  font-family: var(--f-mono);
  font-size: var(--fs-xs);
  color: var(--c-muted);
  letter-spacing: var(--tracking-wide);
  text-align: center;
  margin-top: calc(var(--sp-2) * -1);
}

/* ============ FAQ ============ */
.faq__list {
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
  margin-top: var(--sp-10);
}

.faq__item {
  background: linear-gradient(180deg, var(--c-surface) 0%, var(--c-bg-soft) 100%);
  border: 1px solid var(--c-border-soft);
  border-radius: var(--r-lg);
  overflow: hidden;
  transition: border-color var(--dur-base) var(--ease-out);
}

.faq__item[open] {
  border-color: var(--c-purple-soft);
}

.faq__question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--sp-4);
  padding: var(--sp-5) var(--sp-6);
  font-family: var(--f-display);
  font-size: var(--fs-md);
  color: var(--c-white);
  cursor: pointer;
  list-style: none;
  user-select: none;
  transition: color var(--dur-base) var(--ease-out);
}

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

.faq__item:hover .faq__question,
.faq__item[open] .faq__question { color: var(--c-purple-glow); }

.faq__chevron {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  color: var(--c-muted);
  transition: transform var(--dur-base) var(--ease-out), color var(--dur-base) var(--ease-out);
}

.faq__item[open] .faq__chevron {
  transform: rotate(180deg);
  color: var(--c-purple-glow);
}

.faq__answer {
  padding: 0 var(--sp-6) var(--sp-5);
  color: var(--c-muted);
  line-height: var(--lh-normal);
  font-size: var(--fs-base);
}

.faq__answer strong { color: var(--c-white-soft); }

/* ============ FOOTER ============ */
.site-footer {
  padding: var(--sp-8) var(--pad-page);
  border-top: 1px solid var(--c-border-soft);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--sp-4);
  font-family: var(--f-mono);
  font-size: var(--fs-xs);
  letter-spacing: var(--tracking-wide);
  color: var(--c-muted);
}

.site-footer__brand { color: var(--c-purple-glow); }

/* === MOBILE === */
@media (max-width: 768px) {
  .section { padding: var(--sp-12) 0; }
  .contact__row { grid-template-columns: 1fr; }
  .pricing__card--featured { transform: none; }
  .pricing__card--featured:hover { transform: translateY(-4px); }
  .site-footer { justify-content: center; text-align: center; }
}