.sky-form {
  --sf-accent: #e97212;
  --sf-accent-dark: #c25a08;
  --sf-accent-soft: rgba(233, 114, 18, 0.18);
  --sf-ink: #1f2a33;
  --sf-muted: #5b6670;
  --sf-line: #d9dee3;
  --sf-field: #f4f6f8;
  --sf-field-hover: #eceff2;
 
  position: relative;
  box-sizing: border-box;
  width: 100%;
  max-width: 680px;
  margin: 0 auto;
  padding: 32px 36px 30px;
  background: #fff;
  border-top: 5px solid var(--sf-accent);
  border-radius: 4px 4px 10px 10px;
  box-shadow: 0 10px 30px rgba(31, 42, 51, 0.1);
  color: var(--sf-ink);
  font-family: 'Open Sans', Arial, Helvetica, sans-serif;
  font-size: 15px;
  line-height: 1.5;
  text-align: left;
}
 
.sky-form *,
.sky-form *::before,
.sky-form *::after {
  box-sizing: border-box;
}
 
/* ---------- Cabecera ---------- */
.sky-form > header {
  margin: 0 0 24px;
  padding: 0 0 16px;
  border-bottom: 1px solid var(--sf-line);
  color: var(--sf-ink);
  font-family: 'Raleway', 'Open Sans', Arial, sans-serif;
  font-size: 28px;
  font-weight: 300;
  line-height: 1.2;
}
 
.sky-form > header strong {
  font-weight: 700;
}
 
/* ---------- Estructura ---------- */
.sky-form fieldset {
  min-width: 0;
  margin: 0;
  padding: 0;
  border: 0;
}
 
.sky-form section {
  position: relative;
  margin: 0 0 18px;
}
 
.sky-form .row {
  display: flex;
  flex-wrap: wrap;
  margin: 0 -9px;
}
 
.sky-form .col {
  width: 100%;
  padding: 0 9px;
}
 
.sky-form .col-6 {
  width: 50%;
}
 
/* ---------- Etiquetas ---------- */
.sky-form .label {
  display: block;
  margin: 0 0 6px;
  color: var(--sf-ink);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.01em;
}
 
/* ---------- Campos de texto ---------- */
.sky-form label.input,
.sky-form label.textarea {
  position: relative;
  display: block;
  margin: 0;
}
 
.sky-form .input input,
.sky-form .textarea textarea {
  display: block;
  width: 100%;
  margin: 0;
  background: var(--sf-field);
  border: 1px solid transparent;
  border-bottom: 2px solid var(--sf-line);
  border-radius: 4px 4px 0 0;
  color: var(--sf-ink);
  font: inherit;
  outline: 0;
  -webkit-appearance: none;
  appearance: none;
  transition: background-color 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
}
 
.sky-form .input input {
  height: 46px;
  padding: 0 46px 0 14px;
}
 
.sky-form .textarea textarea {
  min-height: 130px;
  padding: 12px 46px 12px 14px;
  resize: vertical;
}
 
.sky-form .input input:hover,
.sky-form .textarea textarea:hover {
  background: var(--sf-field-hover);
}
 
.sky-form .input input:focus,
.sky-form .textarea textarea:focus {
  background: #fff;
  border-color: #e3e7eb;
  border-bottom-color: var(--sf-accent);
  box-shadow: 0 0 0 3px var(--sf-accent-soft);
}
 
/* ---------- Iconos (Font Awesome) ---------- */
.sky-form .icon-append {
  position: absolute;
  top: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  margin: 0;
  color: #8a949d;
  font-family: 'FontAwesome';
  font-size: 16px;
  font-style: normal;
  font-weight: normal;
  line-height: 1;
  pointer-events: none;
  transition: color 0.15s ease;
}
 
.sky-form .icon-user::before     { content: '\f007'; }
.sky-form .icon-envelope-alt::before { content: '\f0e0'; }
.sky-form .icon-tag::before      { content: '\f02b'; }
.sky-form .icon-comment::before  { content: '\f075'; }
 
.sky-form .input:focus-within .icon-append,
.sky-form .textarea:focus-within .icon-append {
  color: var(--sf-accent);
}
 
/* ---------- Casilla de privacidad ---------- */
.sky-form label.checkbox {
  position: relative;
  display: block;
  min-height: 24px;
  margin: 0;
  padding-left: 34px;
  color: var(--sf-muted);
  font-size: 14px;
  line-height: 1.5;
  cursor: pointer;
}
 
.sky-form .checkbox input {
  position: absolute;
  top: 0;
  left: 0;
  width: 24px;
  height: 24px;
  margin: 0;
  opacity: 0;
  cursor: pointer;
}
 
.sky-form .checkbox i {
  position: absolute;
  top: 0;
  left: 0;
  width: 24px;
  height: 24px;
  background: #fff;
  border: 2px solid #aab3bb;
  border-radius: 4px;
  transition: background-color 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
}
 
.sky-form .checkbox i::after {
  content: '';
  position: absolute;
  top: 2px;
  left: 7px;
  width: 6px;
  height: 12px;
  border: solid #fff;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg) scale(0);
  transition: transform 0.15s ease;
}
 
.sky-form .checkbox:hover i {
  border-color: var(--sf-accent);
}
 
.sky-form .checkbox input:checked + i {
  background: var(--sf-accent-dark);
  border-color: var(--sf-accent-dark);
}
 
.sky-form .checkbox input:checked + i::after {
  transform: rotate(45deg) scale(1);
}
 
.sky-form .checkbox input:focus-visible + i {
  box-shadow: 0 0 0 3px var(--sf-accent-soft);
  border-color: var(--sf-accent);
}
 
.sky-form .checkbox a {
  color: var(--sf-accent-dark) !important;
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 2px;
}
 
.sky-form .checkbox a:hover {
  text-decoration: none;
}
 
/* ---------- reCAPTCHA ---------- */
.sky-form .g-recaptcha {
  max-width: 100%;
  overflow-x: auto;
}
 
/* ---------- Pie y botón ---------- */
.sky-form > footer {
  margin: 8px 0 0;
  padding: 22px 0 0;
  border-top: 2px dashed var(--sf-line);
}
 
.sky-form .button {
  display: inline-block;
  min-width: 170px;
  height: 48px;
  margin: 0;
  padding: 0 34px;
  background: var(--sf-accent-dark);
  border: 0;
  border-radius: 4px;
  box-shadow: 0 3px 0 #8f4106;
  color: #fff;
  font-family: 'Open Sans', Arial, Helvetica, sans-serif;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 48px;
  text-align: center;
  cursor: pointer;
  transition: background-color 0.15s ease, transform 0.1s ease, box-shadow 0.1s ease;
}
 
.sky-form .button:hover {
  background: #a84d06;
}
 
.sky-form .button:active {
  transform: translateY(2px);
  box-shadow: 0 1px 0 #8f4106;
}
 
.sky-form .button:focus-visible {
  outline: 3px solid var(--sf-accent-soft);
  outline-offset: 2px;
}
 
.sky-form .button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}
 
/* ---------- Mensaje de envío ---------- */
.sky-form #enviado {
  margin-left: 0;
  margin-right: 0;
  justify-content: center;
  border-radius: 4px;
}
 
/* ---------- Móvil ---------- */
@media (max-width: 600px) {
  .sky-form {
    padding: 24px 18px 22px;
  }
 
  .sky-form > header {
    font-size: 24px;
  }
 
  .sky-form .col-6 {
    width: 100%;
  }
 
  .sky-form .button {
    width: 100%;
  }
}
 
@media (prefers-reduced-motion: reduce) {
  .sky-form *,
  .sky-form *::before,
  .sky-form *::after {
    transition: none !important;
  }
}