#submitBtn {
    width: 100%;
    margin-top: 8px;
    padding: 16px 24px;
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    background: linear-gradient(135deg, var(--accent), #f0b25c);
    color: #0D0A08;
    border: 1px solid rgba(255, 255, 255, 0.35);
    border-radius: 12px;
    box-shadow: 0 18px 40px rgba(232, 137, 74, 0.18);
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

#submitBtn:hover:not(:disabled) {
    background: linear-gradient(135deg, #f4a55b, var(--accent-light));
    box-shadow: 0 22px 44px rgba(232, 137, 74, 0.24);
    transform: translateY(-1px);
}

#submitBtn:focus-visible {
    outline: 3px solid rgba(232, 137, 74, 0.25);
    outline-offset: 4px;
}

#submitBtn:disabled {
    background: var(--surface);
    color: var(--text-dim);
    border: 1px solid var(--border);
    box-shadow: none;
    cursor: not-allowed;
}

#contactForm input:focus,
#contactForm select:focus,
#contactForm textarea:focus {
    transform: translateY(-1px);
}

#contactForm textarea { min-height: 140px; resize: vertical; }

/* ========== CHECKBOX TÉRMINOS Y CONDICIONES ========== */
.checkbox-field {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    margin: 20px 0;
}

.checkbox-label {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    cursor: pointer;
    user-select: none;
    font-size: 0.95rem;
    line-height: 1.5;
}

.checkbox-label input[type="checkbox"] {
    position: absolute;
    opacity: 0;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
}

.checkbox-custom {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    border: 2px solid var(--border);
    border-radius: 6px;
    background: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.checkbox-custom::after {
    content: '';
    width: 6px;
    height: 10px;
    border-right: 2px solid transparent;
    border-bottom: 2px solid transparent;
    transform: rotate(45deg);
    transition: border-color 0.2s ease, opacity 0.2s ease;
    opacity: 0;
}

.checkbox-label input[type="checkbox"]:hover + .checkbox-custom {
    border-color: var(--accent);
    box-shadow: 0 0 8px rgba(232, 137, 74, 0.15);
}

.checkbox-label input[type="checkbox"]:focus-visible + .checkbox-custom {
    box-shadow: 0 0 0 4px rgba(232, 137, 74, 0.12);
    border-color: var(--accent);
}

.checkbox-label input[type="checkbox"]:checked + .checkbox-custom {
    background: var(--accent);
    border-color: var(--accent);
}

.checkbox-label input[type="checkbox"]:checked + .checkbox-custom::after {
    border-right-color: #0D0A08;
    border-bottom-color: #0D0A08;
    opacity: 1;
}

.checkbox-text a {
    color: var(--accent);
    text-decoration: none;
    transition: color 0.2s ease;
}

.checkbox-text a:hover {
    text-decoration: underline;
}