* {
margin: 0;
padding: 0;
box-sizing: border-box;
}


html, body {
    height: 100%;
    min-height: 100vh;
    overflow-y: auto !important;
}

.formulario-clientes-container {
    min-height: 100vh;
    background: linear-gradient(180deg, #f8f9fc 0%, #e9ecf2 100%);
    padding: 80px 20px;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    font-family: 'Inter', 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
    overflow-y: auto;
    width: 100%;
    box-sizing: border-box;
}

.formulario-wrapper {
width: 100%;
max-width: 720px;
background: white;
border-radius: 12px;
box-shadow: 0 10px 40px rgba(12, 43, 78, 0.12), 0 2px 8px rgba(12, 43, 78, 0.06);
overflow: hidden;
border: 1px solid rgba(12, 43, 78, 0.08);
animation: slideUp 0.5s ease-out;
}

@keyframes slideUp {
from {
    opacity: 0;
    transform: translateY(30px);
}
to {
    opacity: 1;
    transform: translateY(0);
}
}

/* Header del formulario */
.formulario-header {
background: #0C2B4E;
padding: 48px 50px;
text-align: center;
color: white;
position: relative;
}

.formulario-header::after {
content: '';
position: absolute;
bottom: 0;
left: 50%;
transform: translateX(-50%);
width: 80px;
height: 3px;
background: rgba(255, 255, 255, 0.3);
}

.formulario-header h1 {
font-size: 1.875rem;
margin-bottom: 14px;
font-weight: 600;
letter-spacing: -0.3px;
color: #ffffff;
}

.formulario-header p {
font-size: 1rem;
opacity: 0.9;
line-height: 1.65;
font-weight: 400;
max-width: 600px;
margin: 0 auto;
color: rgba(255, 255, 255, 0.95);
}

/* Body del formulario */
.formulario-body {
padding: 45px 50px 50px;
background: #ffffff;
}

/* Grupos de formulario */
.form-group {
margin-bottom: 28px;
}

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

/* Labels */
.form-group label {
display: block;
margin-bottom: 8px;
font-size: 0.9375rem;
font-weight: 500;
color: #0C2B4E;
letter-spacing: 0.01em;
transition: color 0.2s ease;
}

.form-group label i {
margin-right: 6px;
color: #0C2B4E;
opacity: 0.8;
}

/* Inputs de texto, email, teléfono */
.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="tel"],
.form-group select,
.form-group textarea {
width: 100%;
padding: 13px 16px;
border: 1.5px solid #d1d9e6;
border-radius: 8px;
font-family: inherit;
font-size: 0.9375rem;
transition: all 0.2s ease;
background-color: #ffffff;
color: #1a1a1a;
line-height: 1.5;
}

/* Django form widgets */
#id_nombre,
#id_correo_electronico,
#id_telefono,
#id_soy,
#id_mensaje {
width: 100%;
padding: 13px 16px;
border: 1.5px solid #d1d9e6;
border-radius: 8px;
font-family: inherit;
font-size: 0.9375rem;
transition: all 0.2s ease;
background-color: #ffffff;
color: #1a1a1a;
line-height: 1.5;
}

#id_nombre::placeholder,
#id_correo_electronico::placeholder,
#id_telefono::placeholder,
#id_mensaje::placeholder {
color: #8b95a5;
font-weight: 400;
}

/* Focus states */
.form-group input[type="text"]:focus,
.form-group input[type="email"]:focus,
.form-group input[type="tel"]:focus,
.form-group select:focus,
.form-group textarea:focus,
#id_nombre:focus,
#id_correo_electronico:focus,
#id_telefono:focus,
#id_soy:focus,
#id_mensaje:focus {
outline: none;
border-color: #0C2B4E;
background-color: #ffffff;
box-shadow: 0 0 0 3px rgba(12, 43, 78, 0.08);
}

/* Select */
.form-group select {
cursor: pointer;
appearance: none;
background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3E%3Cpath stroke='%230C2B4E' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='m6 8 4 4 4-4'/%3E%3C/svg%3E");
background-position: right 12px center;
background-repeat: no-repeat;
background-size: 1.25em 1.25em;
padding-right: 40px;
}

/* Textarea */
.form-group textarea {
resize: vertical;
min-height: 130px;
font-family: 'Inter', 'Segoe UI', sans-serif;
line-height: 1.5;
}

/* Botón de envío */
.form-submit {
width: 100%;
padding: 15px 28px;
background: #0C2B4E;
color: white;
border: none;
border-radius: 8px;
font-size: 1rem;
font-weight: 500;
cursor: pointer;
transition: all 0.2s ease;
margin-top: 12px;
text-transform: none;
letter-spacing: 0.02em;
box-shadow: 0 4px 12px rgba(12, 43, 78, 0.25);
}

.form-submit:hover {
transform: translateY(-1px);
box-shadow: 0 6px 16px rgba(12, 43, 78, 0.35);
background: #08213d;
}

.form-submit:active {
transform: translateY(0);
}

.form-submit:disabled {
background: #d1d9e6;
cursor: not-allowed;
box-shadow: 0 2px 6px rgba(12, 43, 78, 0.08);
color: #8b95a5;
}

.form-submit:disabled:hover {
transform: none;
box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.form-submit.loading {
background: #08213d;
cursor: wait;
position: relative;
opacity: 0.95;
}

.form-submit.loading i.fa-paper-plane {
display: none;
}

/* Spinner de loading */
.spinner {
display: none;
width: 18px;
height: 18px;
border: 3px solid rgba(255, 255, 255, 0.3);
border-top-color: white;
border-radius: 50%;
animation: spin 0.8s linear infinite;
margin-right: 8px;
}

.form-submit.loading .spinner {
display: inline-block;
}

@keyframes spin {
to { transform: rotate(360deg); }
}

/* Checkbox de privacidad */
.privacy-group {
margin-bottom: 26px;
padding: 18px 20px;
background-color: #f7f9fb;
border-radius: 8px;
border: 1px solid #e5e9f0;
border-left: 4px solid #0C2B4E;
}

.privacy-checkbox {
display: flex;
align-items: flex-start;
gap: 12px;
}

.privacy-checkbox input[type="checkbox"] {
margin-top: 4px;
width: 20px;
height: 20px;
cursor: pointer;
accent-color: #0C2B4E;
flex-shrink: 0;
}

.privacy-checkbox label {
margin-bottom: 0;
font-size: 0.875rem;
font-weight: 400;
color: #334155;
cursor: pointer;
line-height: 1.6;
}

.privacy-checkbox label a {
color: #0C2B4E;
text-decoration: none;
font-weight: 600;
transition: color 0.3s ease;
}

.privacy-checkbox label a:hover {
color: #0C2B4E;
text-decoration: underline;
}
.form-help {
font-size: 0.8125rem;
color: #64748b;
margin-top: 5px;
line-height: 1.4;
font-weight: 400;
}

/* Responsivo */
@media (max-width: 768px) {
.formulario-clientes-container {
    padding: 40px 20px;
}

.formulario-wrapper {
    border-radius: 10px;
}

.formulario-header {
    padding: 38px 30px;
}

.formulario-header h1 {
    font-size: 1.625rem;
}

.formulario-header p {
    font-size: 0.9375rem;
}

.formulario-body {
    padding: 35px 30px;
}

.form-group {
    margin-bottom: 22px;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="tel"],
.form-group select,
.form-group textarea {
    padding: 12px 14px;
    font-size: 0.95rem;
}

.form-submit {
    padding: 14px 20px;
    font-size: 0.95rem;
}

.privacy-group {
    margin-bottom: 22px;
    padding: 14px;
}

.privacy-checkbox label {
    font-size: 0.9rem;
}
}

@media (max-width: 480px) {
.formulario-clientes-container {
    padding: 30px 15px;
}

.formulario-header {
    padding: 32px 25px;
}

.formulario-header h1 {
    font-size: 1.5rem;
}

.formulario-header p {
    font-size: 0.875rem;
}

.formulario-body {
    padding: 30px 25px;
}

.form-group {
    margin-bottom: 20px;
}

.form-submit {
    padding: 13px 20px;
    font-size: 0.9375rem;
}

.privacy-checkbox input[type="checkbox"] {
    width: 18px;
    height: 18px;
}

.privacy-checkbox label {
    font-size: 0.8125rem;
}
}

/* Validación */
.form-group input:invalid,
.form-group textarea:invalid {
border-color: #ef4444;
}

.form-group input:valid:not(:placeholder-shown),
.form-group textarea:valid:not(:placeholder-shown) {
border-color: #10b981;
}

/* Validación de campos */
.form-group input.valid,
.form-group select.valid,
.form-group textarea.valid {
border-color: #10b981 !important;
background-color: #f0fdf4;
}

.form-group input.invalid,
.form-group select.invalid,
.form-group textarea.invalid {
border-color: #ef4444 !important;
background-color: #fef2f2;
}

/* Mensajes de error de validación */
.error-message {
display: none;
color: #ef4444;
font-size: 0.875rem;
margin-top: 6px;
animation: slideDown 0.3s ease-out;
}

.error-message.show {
display: block;
}

.error-message i {
margin-right: 5px;
}

/* Error messages */
.alert {
padding: 14px 18px;
border-radius: 8px;
margin-bottom: 24px;
animation: slideDown 0.25s ease-out;
display: flex;
align-items: center;
gap: 12px;
font-size: 0.9375rem;
}

.alert-success {
background: #ecfdf5;
color: #065f46;
border: 1.5px solid #10b981;
box-shadow: 0 2px 8px rgba(16, 185, 129, 0.12);
font-weight: 500;
}

.alert-error {
background: #fef2f2;
color: #991b1b;
border: 1.5px solid #ef4444;
box-shadow: 0 2px 8px rgba(239, 68, 68, 0.12);
font-weight: 500;
}

.alert i {
font-size: 1.125rem;
}

@keyframes slideDown {
from {
    opacity: 0;
    transform: translateY(-10px);
}
to {
    opacity: 1;
    transform: translateY(0);
}
}

/* Field errors */
.errorlist {
list-style: none;
color: #ef4444;
font-size: 0.85rem;
margin-top: 6px;
}

.errorlist li {
margin-bottom: 4px;
}