/**
 * ============================================
 * FORMULARIO DE CONTACTO - CIBERAULA
 * ============================================
 * v6 (Febrero 2026): SMTP embebido, select corregido
 * ============================================
 */

:root {
    --color-primary: #1a365d;
    --color-primary-light: #2c5282;
    --color-primary-dark: #102a43;
    --color-cta: #c05621;
    --color-cta-hover: #a34a1c;
    --color-success: #276749;
    --color-success-light: #38a169;
    --color-success-bg: #f0fff4;
    --color-error: #c53030;
    --color-error-bg: #fff5f5;
    --color-text: #1a202c;
    --color-text-secondary: #4a5568;
    --color-text-muted: #718096;
    --color-bg: #ffffff;
    --color-bg-page: #e5e5e5;
    --color-bg-subtle: #f8f8f8;
    --color-bg-warm: #faf8f5;
    --color-border: #e2e0dc;
    --color-border-light: #edf2f7;
    --font-display: 'Fraunces', Georgia, serif;
    --font-body: 'DM Sans', system-ui, sans-serif;
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --transition-fast: 0.15s ease;
    --transition-normal: 0.2s ease;
    --transition-slow: 0.3s ease;
}

* { box-sizing: border-box; }
html { background-color: var(--color-bg-page); }
body {
    max-width: 1024px !important;
    margin: 0 auto !important;
    background: var(--color-bg);
    font-family: var(--font-body);
    color: var(--color-text);
    line-height: 1.7;
}

/* ---- Layout ---- */
.form-main-content { padding: var(--spacing-xl) var(--spacing-lg); }
@media (max-width: 768px) {
    .form-main-content { padding: var(--spacing-md) var(--spacing-sm); }
}
.form-page-title {
    font-family: var(--font-display);
    font-size: 2.2rem; font-weight: 700;
    color: var(--color-primary);
    margin: 0 0 var(--spacing-xs); text-align: center;
}
.form-page-subtitle {
    color: var(--color-text-muted); text-align: center;
    margin: 0 0 var(--spacing-lg); font-size: 1rem;
}
.contact-form-container {
    max-width: 600px; margin: 0 auto;
    background: var(--color-bg-warm);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    overflow: hidden;
}

/* ---- Campos ---- */
.form-group { margin-bottom: var(--spacing-md); }
.form-group label {
    display: block; margin-bottom: 6px;
    font-weight: 600; color: var(--color-text); font-size: 0.9rem;
}
.form-group label .required { color: var(--color-error); margin-left: 2px; }
.form-group input,
.form-group textarea {
    width: 100%; max-width: 100%; padding: 12px 15px;
    border: 1px solid var(--color-border); border-radius: var(--radius-md);
    font-family: var(--font-body); font-size: 1rem;
    color: var(--color-text); background: var(--color-bg);
    transition: border-color var(--transition-normal), box-shadow var(--transition-normal);
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--color-text-muted); }
.form-group input:focus,
.form-group textarea:focus {
    outline: none; border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(26,54,93,0.1);
}
.form-group input.field-error,
.form-group textarea.field-error,
.form-group select.field-error {
    border-color: var(--color-error);
    box-shadow: 0 0 0 3px rgba(197,48,48,0.08);
}
.form-group input.field-valid,
.form-group textarea.field-valid,
.form-group select.field-valid {
    border-color: var(--color-success-light);
}
.form-group .error-message {
    color: var(--color-error); font-size: 0.8rem;
    margin-top: 5px; display: none;
}
.form-group .char-count {
    font-size: 0.75rem; color: var(--color-text-muted);
    text-align: right; margin-top: 4px;
}
.form-group textarea { min-height: 120px; resize: vertical; }

/* ---- Selects (corregido desbordamiento) ---- */
.form-group select {
    display: block;
    width: 100%;
    max-width: 100%;
    padding: 12px 40px 12px 15px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--color-text);
    background-color: var(--color-bg);
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23718096' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    background-size: 14px;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    cursor: pointer;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    transition: border-color var(--transition-normal), box-shadow var(--transition-normal);
}
.form-group select:focus {
    outline: none; border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(26,54,93,0.1);
}

/* ---- Botones ---- */
.btn-submit {
    width: 100%; padding: 14px 24px;
    background: var(--color-cta); color: #fff; border: none;
    border-radius: var(--radius-sm);
    font-family: var(--font-body); font-size: 1rem; font-weight: 600;
    cursor: pointer;
    transition: background var(--transition-normal), transform var(--transition-fast);
}
.btn-submit:hover { background: var(--color-cta-hover); transform: translateY(-1px); }
.btn-submit:focus-visible { outline: 3px solid var(--color-primary-light); outline-offset: 2px; }
.btn-submit:disabled { background: #9ca3af; cursor: not-allowed; transform: none; }
.btn-back {
    flex: 0 0 auto; padding: 14px 20px;
    background: transparent; color: var(--color-text-secondary);
    border: 1px solid var(--color-border); border-radius: var(--radius-sm);
    font-family: var(--font-body); font-size: 0.9rem; font-weight: 500;
    cursor: pointer; transition: all var(--transition-fast);
}
.btn-back:hover { background: var(--color-bg-subtle); border-color: var(--color-text-muted); }
.step2-buttons { display: flex; gap: var(--spacing-sm); margin-top: var(--spacing-xs); }
.step2-buttons .btn-submit { flex: 1; }

/* ---- Mensaje de éxito (grande) ---- */
.alert-success-large {
    text-align: center;
    padding: var(--spacing-xl) var(--spacing-lg);
    animation: successAppear 0.5s ease;
}
@keyframes successAppear {
    from { opacity: 0; transform: scale(0.95); }
    to   { opacity: 1; transform: scale(1); }
}
.success-icon {
    display: inline-flex;
    align-items: center; justify-content: center;
    width: 64px; height: 64px;
    border-radius: 50%;
    background: var(--color-success-bg);
    color: var(--color-success-light);
    margin-bottom: var(--spacing-md);
}
.success-title {
    font-family: var(--font-display);
    font-size: 1.5rem; font-weight: 700;
    color: var(--color-success);
    margin: 0 0 var(--spacing-sm);
}
.success-text {
    font-size: 1.05rem;
    color: var(--color-text-secondary);
    margin: 0 0 var(--spacing-sm);
    line-height: 1.6;
}
.success-spam-notice {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    background: var(--color-bg-subtle);
    padding: 10px 16px;
    border-radius: var(--radius-md);
    display: inline-block; margin: 0;
}
.success-spam-notice strong { color: var(--color-text-secondary); }

/* ---- Alertas error ---- */
.alert {
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md); font-size: 0.95rem;
}
.alert-error { background: var(--color-error-bg); color: var(--color-error); border: 1px solid #fed7d7; }
.alert ul { margin: 10px 0 0 20px; padding: 0; }
.alert li { margin-bottom: 5px; }

/* ---- Honeypot ---- */
.ohnohoney {
    opacity: 0; position: absolute;
    top: 0; left: 0; height: 0; width: 0;
    z-index: -1; overflow: hidden;
}

/* ---- Pasos ---- */
.form-step { display: none; }
.form-step-active { display: block; animation: stepFadeIn 0.35s ease; }
@keyframes stepFadeIn {
    from { opacity: 0; transform: translateY(12px); }
    to   { opacity: 1; transform: translateY(0); }
}
.step-indicator {
    display: flex; align-items: center; justify-content: center;
    gap: 0; margin-bottom: var(--spacing-md);
}
.step-badge {
    width: 32px; height: 32px; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 0.85rem; font-weight: 600;
    background: var(--color-border); color: var(--color-text-muted);
    flex-shrink: 0; transition: all var(--transition-normal);
}
.step-badge-active { background: var(--color-primary); color: #fff; }
.step-badge-done { background: var(--color-success-light); color: #fff; font-size: 0.75rem; }
.step-line { width: 48px; height: 2px; background: var(--color-border); transition: background var(--transition-normal); }
.step-line-done { background: var(--color-success-light); }
.step2-intro {
    text-align: center; color: var(--color-text-secondary);
    font-size: 0.95rem; margin-bottom: var(--spacing-md);
}

/* ---- Checkbox RGPD ---- */
.form-checkbox-group {
    display: flex; align-items: flex-start; gap: 10px;
    margin: var(--spacing-md) 0 var(--spacing-sm);
}
.form-checkbox-group input[type="checkbox"] {
    width: 18px; height: 18px; min-width: 18px;
    margin-top: 2px; accent-color: var(--color-primary); cursor: pointer;
}
.form-checkbox-group label {
    font-size: 0.8rem; font-weight: 400;
    color: var(--color-text-secondary);
    line-height: 1.5; cursor: pointer; margin-bottom: 0;
}
.form-checkbox-group label a {
    color: var(--color-primary-light); text-decoration: underline; font-weight: 500;
}
.form-checkbox-group .error-message {
    color: var(--color-error); font-size: 0.8rem;
    margin-top: 4px; display: none;
}
.form-checkbox-group.checkbox-error label { color: var(--color-error); }

/* ---- Clientes ---- */
.clients-bar {
    display: flex; justify-content: center; align-items: center;
    gap: 10px; flex-wrap: wrap; padding: var(--spacing-sm);
    background: var(--color-bg-subtle); border-radius: var(--radius-lg);
    margin: var(--spacing-lg) var(--spacing-sm) var(--spacing-sm);
}
.clients-bar-title {
    width: 100%; text-align: center; font-size: 0.85rem;
    color: var(--color-text-muted); font-weight: 500;
    margin-bottom: var(--spacing-xs);
}
.clients-bar-title strong { color: var(--color-text); }
.clients-logos {
    display: flex; justify-content: center; align-items: center;
    gap: 25px; flex-wrap: wrap;
}
.clients-logos img {
    height: 30px; width: auto; object-fit: contain;
    filter: grayscale(30%); opacity: 0.85; transition: all var(--transition-slow);
}
.clients-logos img:hover { filter: grayscale(0%); opacity: 1; }

/* ---- Legal ---- */
.form-legal-notice {
    font-size: 0.75rem; color: var(--color-text-muted);
    line-height: 1.5; margin-top: var(--spacing-sm);
    padding-top: var(--spacing-sm);
    border-top: 1px solid var(--color-border-light);
}
.form-legal-notice a { color: var(--color-primary-light); text-decoration: underline; }

/* ---- Accesibilidad ---- */
.sr-only {
    position: absolute; width: 1px; height: 1px;
    padding: 0; margin: -1px; overflow: hidden;
    clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}