/* ================================================================
   forms.css — Estilos de formularios — Reciclanet Web 2026
   Depende de: variables.css, main.css
   Usado en: donar-hardware.html, index.html#contacto
================================================================ */

/* ── LAYOUT DE PÁGINA DE FORMULARIO ──────────────────────────── */

.page-form {
  background: var(--color-bg-alt);
  min-height: 100vh;
  padding-top: var(--navbar-height);
}

@media (min-width: 1024px) {
  .page-form { padding-top: var(--navbar-height-desktop); }
}

/* ── HERO DE PÁGINA ───────────────────────────────────────────── */

.form-hero {
  background: var(--color-bg-alt2);
  border-bottom: 2px solid var(--color-border);
  padding: clamp(2.5rem, 7vw, 5rem) 0 clamp(2rem, 5vw, 3.5rem);
  text-align: center;
}

.form-hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--color-primary-dark);
  background: var(--color-primary-bg);
  padding: 0.35rem 0.875rem;
  border-radius: var(--radius-full);
  border: 1.5px solid var(--color-primary-light);
  margin-bottom: 1rem;
}

.form-hero__title {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 5vw, 3rem);
  font-weight: 800;
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
  color: var(--color-text-primary);
  margin-bottom: 0.75rem;
}

.form-hero__description {
  font-size: clamp(0.95rem, 2vw, 1.1rem);
  color: var(--color-text-secondary);
  line-height: var(--leading-normal);
  max-width: 580px;
  margin-inline: auto;
  margin-bottom: 1.75rem;
}

/* Pasos del proceso */
.form-hero__steps {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.625rem;
  max-width: 680px;
  margin-inline: auto;
}

.step-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--color-bg-main);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-full);
  padding: 0.45rem 1rem;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  box-shadow: var(--shadow-sm);
}

.step-pill__num {
  width: 20px;
  height: 20px;
  background: var(--color-primary);
  color: #fff;
  border-radius: 50%;
  font-size: 0.7rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

/* ── SECCIÓN PRINCIPAL DEL FORMULARIO ────────────────────────── */

.srv-form-section {
  padding: clamp(2rem, 5vw, 4rem) 0;
}

@media (min-width: 1024px) {
  .form-section__layout {
    grid-template-columns: 70% 30%;
    max-width: 1500px;
    align-items: start;
  }
}



/* ── TARJETA DEL FORMULARIO ───────────────────────────────────── */

.form-card {
  background: var(--color-bg-main);
  border-radius: var(--radius-lg);
  border: 1.5px solid var(--color-border);
  box-shadow: var(--shadow-md);
  padding: clamp(1.5rem, 4vw, 2.5rem);
}

/* ── AVISO DATOS / NIMA ───────────────────────────────────────── */

.form-notice {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  background: var(--color-primary-xlight);
  border-left: 4px solid var(--color-primary);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: 1rem 1.25rem;
  margin-bottom: 2rem;
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  line-height: var(--leading-normal);
}

.form-notice__icon {
  font-size: 1.1rem;
  flex-shrink: 0;
  margin-top: 1px;
}

.form-notice strong {
  color: var(--color-text-primary);
}

.form-notice a {
  color: var(--color-primary-dark);
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* ── FIELDSETS ────────────────────────────────────────────────── */

.form-fieldset {
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}

.form-fieldset:last-of-type {
  margin-bottom: 0;
}

.form-legend {
  font-family: var(--font-display);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-primary-dark);
  background: var(--color-bg-main);
  padding: 0 0.5rem;
}

/* ── GRUPOS DE CAMPO ─────────────────────────────────────────── */

.form-group {
  margin-bottom: 1.25rem;
}

.form-group:last-child {
  margin-bottom: 0;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

@media (min-width: 560px) {
  .form-row { grid-template-columns: 1fr 1fr; }
}

/* ── ETIQUETAS ────────────────────────────────────────────────── */

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-primary);
  margin-bottom: 0.375rem;
  line-height: 1.4;
}

.form-label .required {
  color: var(--color-primary);
  margin-left: 2px;
  font-weight: 700;
}

.form-label .optional {
  color: var(--color-text-muted);
  font-weight: 400;
  font-size: 0.78rem;
  margin-left: 4px;
}

/* ── INPUTS, SELECTS, TEXTAREAS ───────────────────────────────── */

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--color-bg-main);
  border: 1.5px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--color-text-primary);
  line-height: 1.5;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  appearance: none;
  -webkit-appearance: none;
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--color-text-light);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(39, 174, 96, 0.12);
}

/* Estado error */
.form-input.is-invalid,
.form-select.is-invalid,
.form-textarea.is-invalid {
  border-color: var(--color-error);
  box-shadow: 0 0 0 3px rgba(192, 57, 43, 0.10);
}

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

/* Select — flecha personalizada */
.form-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%236b6b80' stroke-width='1.5' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.75rem;
  cursor: pointer;
}

/* Hint debajo del campo */
.form-hint {
  display: block;
  font-size: 0.78rem;
  color: var(--color-text-muted);
  margin-top: 0.35rem;
  line-height: 1.5;
}

.form-hint a {
  color: var(--color-primary-dark);
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* Mensaje de error de campo */
.form-field-error {
  display: none;
  font-size: 0.78rem;
  color: var(--color-error);
  margin-top: 0.35rem;
  line-height: 1.4;
}

.form-field-error.is-visible {
  display: block;
}

/* ── RADIO BUTTONS ────────────────────────────────────────────── */

.form-radio-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
  margin-top: 0.375rem;
}

.form-radio {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.95rem;
  font-weight: 400;
  color: var(--color-text-primary);
  cursor: pointer;
  line-height: 1.4;
}

.form-radio input[type="radio"] {
  width: 18px;
  height: 18px;
  min-width: 18px;
  accent-color: var(--color-primary);
  cursor: pointer;
  margin: 0;
}

/* ── CHECKBOX RGPD ────────────────────────────────────────────── */

.form-check {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  margin: 1.5rem 0 0.375rem;
}

.form-check input[type="checkbox"] {
  width: 18px;
  height: 18px;
  min-width: 18px;
  margin-top: 2px;
  accent-color: var(--color-primary);
  cursor: pointer;
}

.form-check__label {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
  cursor: pointer;
}

.form-check__label a {
  color: var(--color-primary-dark);
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* ── ERROR GLOBAL ─────────────────────────────────────────────── */

.form-alert {
  display: none;
  align-items: flex-start;
  gap: 0.625rem;
  background: var(--color-error-bg);
  border: 1.5px solid rgba(192, 57, 43, 0.25);
  border-radius: var(--radius-sm);
  padding: 0.875rem 1.1rem;
  font-size: 0.875rem;
  color: var(--color-error);
  margin-bottom: 1.25rem;
  line-height: 1.5;
}

.form-alert.is-visible {
  display: flex;
}

/* ── BOTÓN ENVIAR ─────────────────────────────────────────────── */

.btn--submit {
  width: 100%;
  margin-top: 1.5rem;
  padding: 0.95rem 2rem;
  background: var(--color-primary);
  color: #fff;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  border: 2px solid var(--color-primary);
  border-radius: var(--radius-full);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 54px;
  transition: var(--transition-base);
  box-shadow: var(--shadow-green);
}

.btn--submit:hover:not(:disabled) {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-green-lg);
}

.btn--submit:disabled {
  opacity: 0.65;
  cursor: not-allowed;
  transform: none;
}

.btn--submit.is-loading .btn__text { display: none; }
.btn--submit.is-loading .btn__loading { display: inline-flex; }

.btn__loading {
  display: none;
  align-items: center;
  gap: 0.5rem;
}

/* ── CONTACTO ALTERNATIVO ─────────────────────────────────────── */

.form-alt-contact {
  margin-top: 1.5rem;
  padding: 1rem 1.25rem;
  background: var(--color-bg-alt);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  line-height: var(--leading-normal);
}

.form-alt-contact__title {
  font-weight: 500;
  color: var(--color-text-primary);
  margin-bottom: 0.5rem;
}

.form-alt-contact__list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 1.5rem;
  list-style: none;
}

.form-alt-contact__list a {
  color: var(--color-primary-dark);
  font-weight: 500;
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: var(--transition-fast);
}

.form-alt-contact__list a:hover {
  color: var(--color-primary);
}

/* ── MENSAJE ÉXITO ────────────────────────────────────────────── */

.form-success {
  display: none;
  text-align: center;
  padding: 3rem 1.5rem;
}

.form-success.is-visible {
  display: block;
}

.form-success__icon {
  width: 72px;
  height: 72px;
  background: var(--color-primary-xlight);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  margin: 0 auto 1.5rem;
  border: 2px solid var(--color-primary-light);
}

.form-success__title {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 3vw, 1.9rem);
  font-weight: 800;
  color: var(--color-text-primary);
  margin-bottom: 0.625rem;
}

.form-success__text {
  font-size: 0.975rem;
  color: var(--color-text-secondary);
  line-height: var(--leading-normal);
  max-width: 440px;
  margin: 0 auto 2rem;
}

.form-success__nima {
  display: inline-block;
  font-size: 0.82rem;
  color: var(--color-text-muted);
  background: var(--color-bg-alt);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 0.35rem 0.875rem;
  margin-top: 0.5rem;
}

/* ── SIDEBAR DE INFORMACIÓN ───────────────────────────────────── */

.form-sidebar {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.info-card {
  background: var(--color-bg-main);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  box-shadow: var(--shadow-sm);
}

.info-card__title {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.info-card__list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.info-card__list li {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  line-height: 1.5;
  padding-left: 0.25rem;
  display: flex;
  gap: 0.5rem;
  align-items: flex-start;
}

.info-card__list li::before {
  content: '✓';
  color: var(--color-primary);
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 1px;
}

.info-card--highlight {
  background: var(--color-primary-xlight);
  border-color: var(--color-primary-light);
}

.info-card__contact-item {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  padding: 0.375rem 0;
  border-bottom: 1px solid var(--color-border);
}

.info-card__contact-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.info-card__contact-item a {
  color: var(--color-primary-dark);
  font-weight: 500;
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* ── HONEYPOT — nunca visible ─────────────────────────────────── */

.form__honeypot {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
  overflow: hidden;
}